diff options
Diffstat (limited to 'include/linux')
356 files changed, 8504 insertions, 4202 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 053bf05fb1f7..fcdaab723916 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -546,9 +546,19 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); #define OSC_SB_OSLPI_SUPPORT 0x00000100 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 +#define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 extern bool osc_sb_apei_support_acked; extern bool osc_pc_lpi_support_confirmed; +extern bool osc_sb_native_usb4_support_confirmed; + +/* USB4 Capabilities */ +#define OSC_USB_USB3_TUNNELING 0x00000001 +#define OSC_USB_DP_TUNNELING 0x00000002 +#define OSC_USB_PCIE_TUNNELING 0x00000004 +#define OSC_USB_XDOMAIN 0x00000008 + +extern u32 osc_sb_native_usb4_control; /* PCI Host Bridge _OSC: Capabilities DWORD 2: Support Field */ #define OSC_PCI_EXT_CONFIG_SUPPORT 0x00000001 @@ -581,9 +591,6 @@ extern bool osc_pc_lpi_support_confirmed; #define ACPI_GSB_ACCESS_ATTRIB_RAW_BYTES 0x0000000E #define ACPI_GSB_ACCESS_ATTRIB_RAW_PROCESS 0x0000000F -extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, - u32 *mask, u32 req); - /* Enable _OST when all relevant hotplug operations are enabled */ #if defined(CONFIG_ACPI_HOTPLUG_CPU) && \ defined(CONFIG_ACPI_HOTPLUG_MEMORY) && \ @@ -739,12 +746,12 @@ acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) static inline void acpi_dev_put(struct acpi_device *adev) {} -static inline bool is_acpi_node(struct fwnode_handle *fwnode) +static inline bool is_acpi_node(const struct fwnode_handle *fwnode) { return false; } -static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) +static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) { return false; } @@ -754,7 +761,7 @@ static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwno return NULL; } -static inline bool is_acpi_data_node(struct fwnode_handle *fwnode) +static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) { return false; } @@ -1072,19 +1079,25 @@ void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const c #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, struct acpi_resource_gpio **agpio); -int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index); +int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, int index); #else static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, struct acpi_resource_gpio **agpio) { return false; } -static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) +static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, + const char *name, int index) { return -ENXIO; } #endif +static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) +{ + return acpi_dev_gpio_irq_get_by(adev, NULL, index); +} + /* Device properties */ #ifdef CONFIG_ACPI @@ -1114,14 +1127,6 @@ acpi_data_add_props(struct acpi_device_data *data, const guid_t *guid, int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, void **valptr); -int acpi_dev_prop_read_single(struct acpi_device *adev, - const char *propname, enum dev_prop_type proptype, - void *val); -int acpi_node_prop_read(const struct fwnode_handle *fwnode, - const char *propname, enum dev_prop_type proptype, - void *val, size_t nval); -int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname, - enum dev_prop_type proptype, void *val, size_t nval); struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, struct fwnode_handle *child); @@ -1223,30 +1228,6 @@ static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, return -ENXIO; } -static inline int acpi_dev_prop_read_single(const struct acpi_device *adev, - const char *propname, - enum dev_prop_type proptype, - void *val) -{ - return -ENXIO; -} - -static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode, - const char *propname, - enum dev_prop_type proptype, - void *val, size_t nval) -{ - return -ENXIO; -} - -static inline int acpi_dev_prop_read(const struct acpi_device *adev, - const char *propname, - enum dev_prop_type proptype, - void *val, size_t nval) -{ - return -ENXIO; -} - static inline struct fwnode_handle * acpi_get_next_subnode(const struct fwnode_handle *fwnode, struct fwnode_handle *child) diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h index 0bbfd647f5c6..c68d87b87283 100644 --- a/include/linux/amba/bus.h +++ b/include/linux/amba/bus.h @@ -76,7 +76,7 @@ struct amba_device { struct amba_driver { struct device_driver drv; int (*probe)(struct amba_device *, const struct amba_id *); - int (*remove)(struct amba_device *); + void (*remove)(struct amba_device *); void (*shutdown)(struct amba_device *); const struct amba_id *id_table; }; @@ -105,8 +105,19 @@ extern struct bus_type amba_bustype; #define amba_get_drvdata(d) dev_get_drvdata(&d->dev) #define amba_set_drvdata(d,p) dev_set_drvdata(&d->dev, p) +#ifdef CONFIG_ARM_AMBA int amba_driver_register(struct amba_driver *); void amba_driver_unregister(struct amba_driver *); +#else +static inline int amba_driver_register(struct amba_driver *drv) +{ + return -EINVAL; +} +static inline void amba_driver_unregister(struct amba_driver *drv) +{ +} +#endif + struct amba_device *amba_device_alloc(const char *, resource_size_t, size_t); void amba_device_put(struct amba_device *); int amba_device_add(struct amba_device *, struct resource *); diff --git a/include/linux/anon_inodes.h b/include/linux/anon_inodes.h index d0d7d96261ad..71881a2b6f78 100644 --- a/include/linux/anon_inodes.h +++ b/include/linux/anon_inodes.h @@ -10,12 +10,17 @@ #define _LINUX_ANON_INODES_H struct file_operations; +struct inode; struct file *anon_inode_getfile(const char *name, const struct file_operations *fops, void *priv, int flags); int anon_inode_getfd(const char *name, const struct file_operations *fops, void *priv, int flags); +int anon_inode_getfd_secure(const char *name, + const struct file_operations *fops, + void *priv, int flags, + const struct inode *context_inode); #endif /* _LINUX_ANON_INODES_H */ diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h index f860645f6512..62c54234576c 100644 --- a/include/linux/arm-smccc.h +++ b/include/linux/arm-smccc.h @@ -102,6 +102,37 @@ ARM_SMCCC_OWNER_STANDARD_HYP, \ 0x21) +/* TRNG entropy source calls (defined by ARM DEN0098) */ +#define ARM_SMCCC_TRNG_VERSION \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + ARM_SMCCC_OWNER_STANDARD, \ + 0x50) + +#define ARM_SMCCC_TRNG_FEATURES \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + ARM_SMCCC_OWNER_STANDARD, \ + 0x51) + +#define ARM_SMCCC_TRNG_GET_UUID \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + ARM_SMCCC_OWNER_STANDARD, \ + 0x52) + +#define ARM_SMCCC_TRNG_RND32 \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + ARM_SMCCC_OWNER_STANDARD, \ + 0x53) + +#define ARM_SMCCC_TRNG_RND64 \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_64, \ + ARM_SMCCC_OWNER_STANDARD, \ + 0x53) + /* * Return codes defined in ARM DEN 0070A * ARM DEN 0070A is now merged/consolidated into ARM DEN 0028 C diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h index d7493016cd46..9b02961d65ee 100644 --- a/include/linux/atmdev.h +++ b/include/linux/atmdev.h @@ -151,7 +151,7 @@ struct atm_dev { const char *type; /* device type name */ int number; /* device index */ void *dev_data; /* per-device data */ - void *phy_data; /* private PHY date */ + void *phy_data; /* private PHY data */ unsigned long flags; /* device flags (ATM_DF_*) */ struct list_head local; /* local ATM addresses */ struct list_head lecs; /* LECS ATM addresses learned via ILMI */ @@ -207,7 +207,7 @@ struct atm_skb_data { struct atm_vcc *vcc; /* ATM VCC */ unsigned long atm_options; /* ATM layer options */ unsigned int acct_truesize; /* truesize accounted to vcc */ -}; +} __packed; #define VCC_HTABLE_SIZE 32 diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h index 0571701ab1c5..0abd93efc181 100644 --- a/include/linux/binfmts.h +++ b/include/linux/binfmts.h @@ -73,6 +73,10 @@ struct linux_binprm { #define BINPRM_FLAGS_PATH_INACCESSIBLE_BIT 2 #define BINPRM_FLAGS_PATH_INACCESSIBLE (1 << BINPRM_FLAGS_PATH_INACCESSIBLE_BIT) +/* preserve argv0 for the interpreter */ +#define BINPRM_FLAGS_PRESERVE_ARGV0_BIT 3 +#define BINPRM_FLAGS_PRESERVE_ARGV0 (1 << BINPRM_FLAGS_PRESERVE_ARGV0_BIT) + /* Function parameter for binfmt->coredump */ struct coredump_params { const kernel_siginfo_t *siginfo; diff --git a/include/linux/bio.h b/include/linux/bio.h index 1edda614f7ce..d0246c92a6e8 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -10,6 +10,7 @@ #include <linux/ioprio.h> /* struct bio, bio_vec and BIO_* flags are defined in blk_types.h */ #include <linux/blk_types.h> +#include <linux/uio.h> #define BIO_DEBUG @@ -19,7 +20,12 @@ #define BIO_BUG_ON #endif -#define BIO_MAX_PAGES 256 +#define BIO_MAX_VECS 256U + +static inline unsigned int bio_max_segs(unsigned int nr_segs) +{ + return min(nr_segs, BIO_MAX_VECS); +} #define bio_prio(bio) (bio)->bi_ioprio #define bio_set_prio(bio, prio) ((bio)->bi_ioprio = prio) @@ -328,7 +334,6 @@ struct bio_integrity_payload { struct bvec_iter bip_iter; - unsigned short bip_slab; /* slab the bip came from */ unsigned short bip_vcnt; /* # of integrity bio_vecs */ unsigned short bip_max_vcnt; /* integrity bio_vec slots */ unsigned short bip_flags; /* control flags */ @@ -406,7 +411,9 @@ extern void bioset_exit(struct bio_set *); extern int biovec_init_pool(mempool_t *pool, int pool_entries); extern int bioset_init_from_src(struct bio_set *bs, struct bio_set *src); -extern struct bio *bio_alloc_bioset(gfp_t, unsigned int, struct bio_set *); +struct bio *bio_alloc_bioset(gfp_t gfp, unsigned short nr_iovecs, + struct bio_set *bs); +struct bio *bio_kmalloc(gfp_t gfp_mask, unsigned short nr_iovecs); extern void bio_put(struct bio *); extern void __bio_clone_fast(struct bio *, struct bio *); @@ -414,16 +421,11 @@ extern struct bio *bio_clone_fast(struct bio *, gfp_t, struct bio_set *); extern struct bio_set fs_bio_set; -static inline struct bio *bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs) +static inline struct bio *bio_alloc(gfp_t gfp_mask, unsigned short nr_iovecs) { return bio_alloc_bioset(gfp_mask, nr_iovecs, &fs_bio_set); } -static inline struct bio *bio_kmalloc(gfp_t gfp_mask, unsigned int nr_iovecs) -{ - return bio_alloc_bioset(gfp_mask, nr_iovecs, NULL); -} - extern blk_qc_t submit_bio(struct bio *); extern void bio_endio(struct bio *); @@ -441,6 +443,18 @@ static inline void bio_wouldblock_error(struct bio *bio) bio_endio(bio); } +/* + * Calculate number of bvec segments that should be allocated to fit data + * pointed by @iter. If @iter is backed by bvec it's going to be reused + * instead of allocating a new one. + */ +static inline int bio_iov_vecs_to_alloc(struct iov_iter *iter, int max_segs) +{ + if (iov_iter_is_bvec(iter)) + return 0; + return iov_iter_npages(iter, max_segs); +} + struct request_queue; extern int submit_bio_wait(struct bio *bio); @@ -455,6 +469,8 @@ void bio_chain(struct bio *, struct bio *); extern int bio_add_page(struct bio *, struct page *, unsigned int,unsigned int); extern int bio_add_pc_page(struct request_queue *, struct bio *, struct page *, unsigned int, unsigned int); +int bio_add_zone_append_page(struct bio *bio, struct page *page, + unsigned int len, unsigned int offset); bool __bio_try_merge_page(struct bio *bio, struct page *page, unsigned int len, unsigned int off, bool *same_page); void __bio_add_page(struct bio *bio, struct page *page, @@ -478,29 +494,26 @@ static inline void zero_fill_bio(struct bio *bio) zero_fill_bio_iter(bio, bio->bi_iter); } -extern struct bio_vec *bvec_alloc(gfp_t, int, unsigned long *, mempool_t *); -extern void bvec_free(mempool_t *, struct bio_vec *, unsigned int); -extern unsigned int bvec_nr_vecs(unsigned short idx); extern const char *bio_devname(struct bio *bio, char *buffer); -#define bio_set_dev(bio, bdev) \ -do { \ - if ((bio)->bi_disk != (bdev)->bd_disk) \ - bio_clear_flag(bio, BIO_THROTTLED);\ - (bio)->bi_disk = (bdev)->bd_disk; \ - (bio)->bi_partno = (bdev)->bd_partno; \ - bio_associate_blkg(bio); \ +#define bio_set_dev(bio, bdev) \ +do { \ + bio_clear_flag(bio, BIO_REMAPPED); \ + if ((bio)->bi_bdev != (bdev)) \ + bio_clear_flag(bio, BIO_THROTTLED); \ + (bio)->bi_bdev = (bdev); \ + bio_associate_blkg(bio); \ } while (0) #define bio_copy_dev(dst, src) \ do { \ - (dst)->bi_disk = (src)->bi_disk; \ - (dst)->bi_partno = (src)->bi_partno; \ + bio_clear_flag(dst, BIO_REMAPPED); \ + (dst)->bi_bdev = (src)->bi_bdev; \ bio_clone_blkg_association(dst, src); \ } while (0) #define bio_dev(bio) \ - disk_devt((bio)->bi_disk) + disk_devt((bio)->bi_bdev->bd_disk) #ifdef CONFIG_BLK_CGROUP void bio_associate_blkg(struct bio *bio); @@ -703,6 +716,7 @@ struct bio_set { mempool_t bvec_integrity_pool; #endif + unsigned int back_pad; /* * Deadlock avoidance for stacking block drivers: see comments in * bio_alloc_bioset() for details @@ -713,12 +727,6 @@ struct bio_set { struct workqueue_struct *rescue_workqueue; }; -struct biovec_slab { - int nr_vecs; - char *name; - struct kmem_cache *slab; -}; - static inline bool bioset_initialized(struct bio_set *bs) { return bs->bio_slab != NULL; diff --git a/include/linux/bitops.h b/include/linux/bitops.h index a61f192c096b..a5a48303b0f1 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -214,7 +214,7 @@ static inline int get_count_order_long(unsigned long l) * __ffs64 - find first set bit in a 64 bit word * @word: The 64 bit word * - * On 64 bit arches this is a synomyn for __ffs + * On 64 bit arches this is a synonym for __ffs * The result is not defined if no bits are set, so check that @word * is non-zero before calling this. */ diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index d705b174d346..2c473c9b8990 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -140,10 +140,6 @@ struct blk_mq_hw_ctx { * shared across request queues. */ atomic_t nr_active; - /** - * @elevator_queued: Number of queued requests on hctx. - */ - atomic_t elevator_queued; /** @cpuhp_online: List to store request if CPU is going to die */ struct hlist_node cpuhp_online; @@ -494,6 +490,18 @@ static inline int blk_mq_request_completed(struct request *rq) return blk_mq_rq_state(rq) == MQ_RQ_COMPLETE; } +/* + * + * Set the state to complete when completing a request from inside ->queue_rq. + * This is used by drivers that want to ensure special complete actions that + * need access to the request are called on failure, e.g. by nvme for + * multipathing. + */ +static inline void blk_mq_set_request_complete(struct request *rq) +{ + WRITE_ONCE(rq->state, MQ_RQ_COMPLETE); +} + void blk_mq_start_request(struct request *rq); void blk_mq_end_request(struct request *rq, blk_status_t error); void __blk_mq_end_request(struct request *rq, blk_status_t error); @@ -602,8 +610,8 @@ static inline void blk_rq_bio_prep(struct request *rq, struct bio *bio, rq->bio = rq->biotail = bio; rq->ioprio = bio_prio(bio); - if (bio->bi_disk) - rq->rq_disk = bio->bi_disk; + if (bio->bi_bdev) + rq->rq_disk = bio->bi_bdev->bd_disk; } blk_qc_t blk_mq_submit_bio(struct bio *bio); diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 866f74261b3b..db026b6ec15a 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -222,16 +222,15 @@ static inline void bio_issue_init(struct bio_issue *issue, */ struct bio { struct bio *bi_next; /* request queue link */ - struct gendisk *bi_disk; + struct block_device *bi_bdev; unsigned int bi_opf; /* bottom bits req flags, * top bits REQ_OP. Use * accessors. */ - unsigned short bi_flags; /* status, etc and bvec pool number */ + unsigned short bi_flags; /* BIO_* below */ unsigned short bi_ioprio; unsigned short bi_write_hint; blk_status_t bi_status; - u8 bi_partno; atomic_t __bi_remaining; struct bvec_iter bi_iter; @@ -304,36 +303,10 @@ enum { * of this bio. */ BIO_CGROUP_ACCT, /* has been accounted to a cgroup */ BIO_TRACKED, /* set if bio goes through the rq_qos path */ + BIO_REMAPPED, BIO_FLAG_LAST }; -/* See BVEC_POOL_OFFSET below before adding new flags */ - -/* - * We support 6 different bvec pools, the last one is magic in that it - * is backed by a mempool. - */ -#define BVEC_POOL_NR 6 -#define BVEC_POOL_MAX (BVEC_POOL_NR - 1) - -/* - * Top 3 bits of bio flags indicate the pool the bvecs came from. We add - * 1 to the actual index so that 0 indicates that there are no bvecs to be - * freed. - */ -#define BVEC_POOL_BITS (3) -#define BVEC_POOL_OFFSET (16 - BVEC_POOL_BITS) -#define BVEC_POOL_IDX(bio) ((bio)->bi_flags >> BVEC_POOL_OFFSET) -#if (1<< BVEC_POOL_BITS) < (BVEC_POOL_NR+1) -# error "BVEC_POOL_BITS is too small" -#endif - -/* - * Flags starting here get preserved by bio_reset() - this includes - * only BVEC_POOL_IDX() - */ -#define BIO_RESET_BITS BVEC_POOL_OFFSET - typedef __u32 __bitwise blk_mq_req_flags_t; /* diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index f94ee3089e01..bc6bc8383b43 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -65,8 +65,6 @@ typedef void (rq_end_io_fn)(struct request *, blk_status_t); * request flags */ typedef __u32 __bitwise req_flags_t; -/* elevator knows about this request */ -#define RQF_SORTED ((__force req_flags_t)(1 << 0)) /* drive already may have started this one */ #define RQF_STARTED ((__force req_flags_t)(1 << 1)) /* may not be passed by ioscheduler */ @@ -153,7 +151,7 @@ struct request { */ union { struct hlist_node hash; /* merge hash */ - struct list_head ipi_list; + struct llist_node ipi_list; }; /* @@ -337,6 +335,7 @@ struct queue_limits { unsigned int max_zone_append_sectors; unsigned int discard_granularity; unsigned int discard_alignment; + unsigned int zone_write_granularity; unsigned short max_segments; unsigned short max_integrity_segments; @@ -461,7 +460,6 @@ struct request_queue { #ifdef CONFIG_PM struct device *dev; enum rpm_status rpm_status; - unsigned int nr_pending; #endif /* @@ -948,9 +946,8 @@ extern int blk_rq_map_kern(struct request_queue *, struct request *, void *, uns extern int blk_rq_map_user_iov(struct request_queue *, struct request *, struct rq_map_data *, const struct iov_iter *, gfp_t); -extern void blk_execute_rq(struct request_queue *, struct gendisk *, - struct request *, int); -extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *, +extern void blk_execute_rq(struct gendisk *, struct request *, int); +extern void blk_execute_rq_nowait(struct gendisk *, struct request *, int, rq_end_io_fn *); /* Helper to convert REQ_OP_XXX to its string format XXX */ @@ -1161,6 +1158,8 @@ extern void blk_queue_logical_block_size(struct request_queue *, unsigned int); extern void blk_queue_max_zone_append_sectors(struct request_queue *q, unsigned int max_zone_append_sectors); extern void blk_queue_physical_block_size(struct request_queue *, unsigned int); +void blk_queue_zone_write_granularity(struct request_queue *q, + unsigned int size); extern void blk_queue_alignment_offset(struct request_queue *q, unsigned int alignment); void blk_queue_update_readahead(struct request_queue *q); @@ -1289,7 +1288,7 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk) !list_empty(&plug->cb_list)); } -int blkdev_issue_flush(struct block_device *, gfp_t); +int blkdev_issue_flush(struct block_device *bdev); long nr_blockdev_pages(void); #else /* CONFIG_BLOCK */ struct blk_plug { @@ -1317,7 +1316,7 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk) return false; } -static inline int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask) +static inline int blkdev_issue_flush(struct block_device *bdev) { return 0; } @@ -1474,6 +1473,18 @@ static inline int bdev_io_opt(struct block_device *bdev) return queue_io_opt(bdev_get_queue(bdev)); } +static inline unsigned int +queue_zone_write_granularity(const struct request_queue *q) +{ + return q->limits.zone_write_granularity; +} + +static inline unsigned int +bdev_zone_write_granularity(struct block_device *bdev) +{ + return queue_zone_write_granularity(bdev_get_queue(bdev)); +} + static inline int queue_alignment_offset(const struct request_queue *q) { if (q->limits.misaligned) @@ -1954,21 +1965,9 @@ unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors, void disk_end_io_acct(struct gendisk *disk, unsigned int op, unsigned long start_time); -unsigned long part_start_io_acct(struct gendisk *disk, - struct block_device **part, struct bio *bio); -void part_end_io_acct(struct block_device *part, struct bio *bio, - unsigned long start_time); - -/** - * bio_start_io_acct - start I/O accounting for bio based drivers - * @bio: bio to start account for - * - * Returns the start time that should be passed back to bio_end_io_acct(). - */ -static inline unsigned long bio_start_io_acct(struct bio *bio) -{ - return disk_start_io_acct(bio->bi_disk, bio_sectors(bio), bio_op(bio)); -} +unsigned long bio_start_io_acct(struct bio *bio); +void bio_end_io_acct_remapped(struct bio *bio, unsigned long start_time, + struct block_device *orig_bdev); /** * bio_end_io_acct - end I/O accounting for bio based drivers @@ -1977,7 +1976,7 @@ static inline unsigned long bio_start_io_acct(struct bio *bio) */ static inline void bio_end_io_acct(struct bio *bio, unsigned long start_time) { - return disk_end_io_acct(bio->bi_disk, bio_op(bio), start_time); + return bio_end_io_acct_remapped(bio, start_time, bio->bi_bdev); } int bdev_read_only(struct block_device *bdev); @@ -2012,21 +2011,16 @@ void bdev_add(struct block_device *bdev, dev_t dev); struct block_device *I_BDEV(struct inode *inode); struct block_device *bdgrab(struct block_device *bdev); void bdput(struct block_device *); +int truncate_bdev_range(struct block_device *bdev, fmode_t mode, loff_t lstart, + loff_t lend); #ifdef CONFIG_BLOCK void invalidate_bdev(struct block_device *bdev); -int truncate_bdev_range(struct block_device *bdev, fmode_t mode, loff_t lstart, - loff_t lend); int sync_blockdev(struct block_device *bdev); #else static inline void invalidate_bdev(struct block_device *bdev) { } -static inline int truncate_bdev_range(struct block_device *bdev, fmode_t mode, - loff_t lstart, loff_t lend) -{ - return 0; -} static inline int sync_blockdev(struct block_device *bdev) { return 0; diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 05556573b896..a083e15df608 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -23,8 +23,6 @@ struct blk_trace { u32 pid; u32 dev; struct dentry *dir; - struct dentry *dropped_file; - struct dentry *msg_file; struct list_head running_list; atomic_t dropped; }; @@ -119,7 +117,7 @@ struct compat_blk_user_trace_setup { #endif -extern void blk_fill_rwbs(char *rwbs, unsigned int op, int bytes); +void blk_fill_rwbs(char *rwbs, unsigned int op); static inline sector_t blk_rq_trace_sector(struct request *rq) { diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h index 72e69a0e1e8c..c42e02b4d84b 100644 --- a/include/linux/bpf-cgroup.h +++ b/include/linux/bpf-cgroup.h @@ -23,8 +23,8 @@ struct ctl_table_header; #ifdef CONFIG_CGROUP_BPF -extern struct static_key_false cgroup_bpf_enabled_key; -#define cgroup_bpf_enabled static_branch_unlikely(&cgroup_bpf_enabled_key) +extern struct static_key_false cgroup_bpf_enabled_key[MAX_BPF_ATTACH_TYPE]; +#define cgroup_bpf_enabled(type) static_branch_unlikely(&cgroup_bpf_enabled_key[type]) DECLARE_PER_CPU(struct bpf_cgroup_storage*, bpf_cgroup_storage[MAX_BPF_CGROUP_STORAGE_TYPE]); @@ -125,7 +125,8 @@ int __cgroup_bpf_run_filter_sk(struct sock *sk, int __cgroup_bpf_run_filter_sock_addr(struct sock *sk, struct sockaddr *uaddr, enum bpf_attach_type type, - void *t_ctx); + void *t_ctx, + u32 *flags); int __cgroup_bpf_run_filter_sock_ops(struct sock *sk, struct bpf_sock_ops_kern *sock_ops, @@ -147,6 +148,10 @@ int __cgroup_bpf_run_filter_getsockopt(struct sock *sk, int level, int __user *optlen, int max_optlen, int retval); +int __cgroup_bpf_run_filter_getsockopt_kern(struct sock *sk, int level, + int optname, void *optval, + int *optlen, int retval); + static inline enum bpf_cgroup_storage_type cgroup_storage_type( struct bpf_map *map) { @@ -185,7 +190,7 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled) \ + if (cgroup_bpf_enabled(BPF_CGROUP_INET_INGRESS)) \ __ret = __cgroup_bpf_run_filter_skb(sk, skb, \ BPF_CGROUP_INET_INGRESS); \ \ @@ -195,7 +200,7 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk, skb) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled && sk && sk == skb->sk) { \ + if (cgroup_bpf_enabled(BPF_CGROUP_INET_EGRESS) && sk && sk == skb->sk) { \ typeof(sk) __sk = sk_to_full_sk(sk); \ if (sk_fullsock(__sk)) \ __ret = __cgroup_bpf_run_filter_skb(__sk, skb, \ @@ -207,7 +212,7 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_RUN_SK_PROG(sk, type) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled) { \ + if (cgroup_bpf_enabled(type)) { \ __ret = __cgroup_bpf_run_filter_sk(sk, type); \ } \ __ret; \ @@ -227,33 +232,53 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, type) \ ({ \ + u32 __unused_flags; \ int __ret = 0; \ - if (cgroup_bpf_enabled) \ + if (cgroup_bpf_enabled(type)) \ __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, type, \ - NULL); \ + NULL, \ + &__unused_flags); \ __ret; \ }) #define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, type, t_ctx) \ ({ \ + u32 __unused_flags; \ int __ret = 0; \ - if (cgroup_bpf_enabled) { \ + if (cgroup_bpf_enabled(type)) { \ lock_sock(sk); \ __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, type, \ - t_ctx); \ + t_ctx, \ + &__unused_flags); \ release_sock(sk); \ } \ __ret; \ }) -#define BPF_CGROUP_RUN_PROG_INET4_BIND_LOCK(sk, uaddr) \ - BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_INET4_BIND, NULL) - -#define BPF_CGROUP_RUN_PROG_INET6_BIND_LOCK(sk, uaddr) \ - BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_INET6_BIND, NULL) +/* BPF_CGROUP_INET4_BIND and BPF_CGROUP_INET6_BIND can return extra flags + * via upper bits of return code. The only flag that is supported + * (at bit position 0) is to indicate CAP_NET_BIND_SERVICE capability check + * should be bypassed (BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE). + */ +#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, type, bind_flags) \ +({ \ + u32 __flags = 0; \ + int __ret = 0; \ + if (cgroup_bpf_enabled(type)) { \ + lock_sock(sk); \ + __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, type, \ + NULL, &__flags); \ + release_sock(sk); \ + if (__flags & BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE) \ + *bind_flags |= BIND_NO_CAP_NET_BIND_SERVICE; \ + } \ + __ret; \ +}) -#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (cgroup_bpf_enabled && \ - sk->sk_prot->pre_connect) +#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) \ + ((cgroup_bpf_enabled(BPF_CGROUP_INET4_CONNECT) || \ + cgroup_bpf_enabled(BPF_CGROUP_INET6_CONNECT)) && \ + (sk)->sk_prot->pre_connect) #define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr) \ BPF_CGROUP_RUN_SA_PROG(sk, uaddr, BPF_CGROUP_INET4_CONNECT) @@ -297,7 +322,7 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(sock_ops, sk) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled) \ + if (cgroup_bpf_enabled(BPF_CGROUP_SOCK_OPS)) \ __ret = __cgroup_bpf_run_filter_sock_ops(sk, \ sock_ops, \ BPF_CGROUP_SOCK_OPS); \ @@ -307,7 +332,7 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled && (sock_ops)->sk) { \ + if (cgroup_bpf_enabled(BPF_CGROUP_SOCK_OPS) && (sock_ops)->sk) { \ typeof(sk) __sk = sk_to_full_sk((sock_ops)->sk); \ if (__sk && sk_fullsock(__sk)) \ __ret = __cgroup_bpf_run_filter_sock_ops(__sk, \ @@ -320,7 +345,7 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(type, major, minor, access) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled) \ + if (cgroup_bpf_enabled(BPF_CGROUP_DEVICE)) \ __ret = __cgroup_bpf_check_dev_permission(type, major, minor, \ access, \ BPF_CGROUP_DEVICE); \ @@ -332,7 +357,7 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_RUN_PROG_SYSCTL(head, table, write, buf, count, pos) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled) \ + if (cgroup_bpf_enabled(BPF_CGROUP_SYSCTL)) \ __ret = __cgroup_bpf_run_filter_sysctl(head, table, write, \ buf, count, pos, \ BPF_CGROUP_SYSCTL); \ @@ -343,7 +368,7 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, kernel_optval) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled) \ + if (cgroup_bpf_enabled(BPF_CGROUP_SETSOCKOPT)) \ __ret = __cgroup_bpf_run_filter_setsockopt(sock, level, \ optname, optval, \ optlen, \ @@ -354,7 +379,7 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled) \ + if (cgroup_bpf_enabled(BPF_CGROUP_GETSOCKOPT)) \ get_user(__ret, optlen); \ __ret; \ }) @@ -363,11 +388,24 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, max_optlen, retval) \ ({ \ int __ret = retval; \ - if (cgroup_bpf_enabled) \ - __ret = __cgroup_bpf_run_filter_getsockopt(sock, level, \ - optname, optval, \ - optlen, max_optlen, \ - retval); \ + if (cgroup_bpf_enabled(BPF_CGROUP_GETSOCKOPT)) \ + if (!(sock)->sk_prot->bpf_bypass_getsockopt || \ + !INDIRECT_CALL_INET_1((sock)->sk_prot->bpf_bypass_getsockopt, \ + tcp_bpf_bypass_getsockopt, \ + level, optname)) \ + __ret = __cgroup_bpf_run_filter_getsockopt( \ + sock, level, optname, optval, optlen, \ + max_optlen, retval); \ + __ret; \ +}) + +#define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \ + optlen, retval) \ +({ \ + int __ret = retval; \ + if (cgroup_bpf_enabled(BPF_CGROUP_GETSOCKOPT)) \ + __ret = __cgroup_bpf_run_filter_getsockopt_kern( \ + sock, level, optname, optval, optlen, retval); \ __ret; \ }) @@ -427,15 +465,14 @@ static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map, return 0; } -#define cgroup_bpf_enabled (0) +#define cgroup_bpf_enabled(type) (0) #define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, type, t_ctx) ({ 0; }) #define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0) #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; }) #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; }) #define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) ({ 0; }) #define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) ({ 0; }) -#define BPF_CGROUP_RUN_PROG_INET4_BIND_LOCK(sk, uaddr) ({ 0; }) -#define BPF_CGROUP_RUN_PROG_INET6_BIND_LOCK(sk, uaddr) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, type, flags) ({ 0; }) #define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) ({ 0; }) #define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) ({ 0; }) #define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr) ({ 0; }) @@ -452,6 +489,8 @@ static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map, #define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) ({ 0; }) #define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \ optlen, max_optlen, retval) ({ retval; }) +#define BPF_CGROUP_RUN_PROG_GETSOCKOPT_KERN(sock, level, optname, optval, \ + optlen, retval) ({ retval; }) #define BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock, level, optname, optval, optlen, \ kernel_optval) ({ 0; }) diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 07cb5d15e743..cccaef1088ea 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -14,7 +14,6 @@ #include <linux/numa.h> #include <linux/mm_types.h> #include <linux/wait.h> -#include <linux/u64_stats_sync.h> #include <linux/refcount.h> #include <linux/mutex.h> #include <linux/module.h> @@ -507,12 +506,6 @@ enum bpf_cgroup_storage_type { */ #define MAX_BPF_FUNC_ARGS 12 -struct bpf_prog_stats { - u64 cnt; - u64 nsecs; - struct u64_stats_sync syncp; -} __aligned(2 * sizeof(u64)); - struct btf_func_model { u8 ret_size; u8 nr_args; @@ -536,7 +529,7 @@ struct btf_func_model { /* Each call __bpf_prog_enter + call bpf_func + call __bpf_prog_exit is ~50 * bytes on x86. Pick a number to fit into BPF_IMAGE_SIZE / 2 */ -#define BPF_MAX_TRAMP_PROGS 40 +#define BPF_MAX_TRAMP_PROGS 38 struct bpf_tramp_progs { struct bpf_prog *progs[BPF_MAX_TRAMP_PROGS]; @@ -568,10 +561,10 @@ int arch_prepare_bpf_trampoline(void *image, void *image_end, struct bpf_tramp_progs *tprogs, void *orig_call); /* these two functions are called from generated trampoline */ -u64 notrace __bpf_prog_enter(void); +u64 notrace __bpf_prog_enter(struct bpf_prog *prog); void notrace __bpf_prog_exit(struct bpf_prog *prog, u64 start); -void notrace __bpf_prog_enter_sleepable(void); -void notrace __bpf_prog_exit_sleepable(void); +u64 notrace __bpf_prog_enter_sleepable(struct bpf_prog *prog); +void notrace __bpf_prog_exit_sleepable(struct bpf_prog *prog, u64 start); struct bpf_ksym { unsigned long start; @@ -761,9 +754,15 @@ struct bpf_ctx_arg_aux { u32 btf_id; }; +struct btf_mod_pair { + struct btf *btf; + struct module *module; +}; + struct bpf_prog_aux { atomic64_t refcnt; u32 used_map_cnt; + u32 used_btf_cnt; u32 max_ctx_offset; u32 max_pkt_offset; u32 max_tp_access; @@ -802,6 +801,7 @@ struct bpf_prog_aux { const struct bpf_prog_ops *ops; struct bpf_map **used_maps; struct mutex used_maps_mutex; /* mutex for used_maps and used_map_cnt */ + struct btf_mod_pair *used_btfs; struct bpf_prog *prog; struct user_struct *user; u64 load_time; /* ns since boottime */ @@ -838,7 +838,6 @@ struct bpf_prog_aux { u32 linfo_idx; u32 num_exentries; struct exception_table_entry *extable; - struct bpf_prog_stats __percpu *stats; union { struct work_struct work; struct rcu_head rcu; @@ -1066,6 +1065,34 @@ int bpf_prog_array_copy(struct bpf_prog_array *old_array, struct bpf_prog *include_prog, struct bpf_prog_array **new_array); +/* BPF program asks to bypass CAP_NET_BIND_SERVICE in bind. */ +#define BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE (1 << 0) +/* BPF program asks to set CN on the packet. */ +#define BPF_RET_SET_CN (1 << 0) + +#define BPF_PROG_RUN_ARRAY_FLAGS(array, ctx, func, ret_flags) \ + ({ \ + struct bpf_prog_array_item *_item; \ + struct bpf_prog *_prog; \ + struct bpf_prog_array *_array; \ + u32 _ret = 1; \ + u32 func_ret; \ + migrate_disable(); \ + rcu_read_lock(); \ + _array = rcu_dereference(array); \ + _item = &_array->items[0]; \ + while ((_prog = READ_ONCE(_item->prog))) { \ + bpf_cgroup_storage_set(_item->cgroup_storage); \ + func_ret = func(_prog, ctx); \ + _ret &= (func_ret & 1); \ + *(ret_flags) |= (func_ret >> 1); \ + _item++; \ + } \ + rcu_read_unlock(); \ + migrate_enable(); \ + _ret; \ + }) + #define __BPF_PROG_RUN_ARRAY(array, ctx, func, check_non_null) \ ({ \ struct bpf_prog_array_item *_item; \ @@ -1113,25 +1140,11 @@ _out: \ */ #define BPF_PROG_CGROUP_INET_EGRESS_RUN_ARRAY(array, ctx, func) \ ({ \ - struct bpf_prog_array_item *_item; \ - struct bpf_prog *_prog; \ - struct bpf_prog_array *_array; \ - u32 ret; \ - u32 _ret = 1; \ - u32 _cn = 0; \ - migrate_disable(); \ - rcu_read_lock(); \ - _array = rcu_dereference(array); \ - _item = &_array->items[0]; \ - while ((_prog = READ_ONCE(_item->prog))) { \ - bpf_cgroup_storage_set(_item->cgroup_storage); \ - ret = func(_prog, ctx); \ - _ret &= (ret & 1); \ - _cn |= (ret & 2); \ - _item++; \ - } \ - rcu_read_unlock(); \ - migrate_enable(); \ + u32 _flags = 0; \ + bool _cn; \ + u32 _ret; \ + _ret = BPF_PROG_RUN_ARRAY_FLAGS(array, ctx, func, &_flags); \ + _cn = _flags & BPF_RET_SET_CN; \ if (_ret) \ _ret = (_cn ? NET_XMIT_CN : NET_XMIT_SUCCESS); \ else \ @@ -1206,8 +1219,6 @@ void bpf_prog_sub(struct bpf_prog *prog, int i); void bpf_prog_inc(struct bpf_prog *prog); struct bpf_prog * __must_check bpf_prog_inc_not_zero(struct bpf_prog *prog); void bpf_prog_put(struct bpf_prog *prog); -void __bpf_free_used_maps(struct bpf_prog_aux *aux, - struct bpf_map **used_maps, u32 len); void bpf_prog_free_id(struct bpf_prog *prog, bool do_idr_lock); void bpf_map_free_id(struct bpf_map *map, bool do_idr_lock); @@ -1271,6 +1282,11 @@ static inline bool bpf_allow_ptr_leaks(void) return perfmon_capable(); } +static inline bool bpf_allow_uninit_stack(void) +{ + return perfmon_capable(); +} + static inline bool bpf_allow_ptr_to_map_access(void) { return perfmon_capable(); @@ -1403,7 +1419,10 @@ static inline void bpf_long_memcpy(void *dst, const void *src, u32 size) /* verify correctness of eBPF program */ int bpf_check(struct bpf_prog **fp, union bpf_attr *attr, union bpf_attr __user *uattr); + +#ifndef CONFIG_BPF_JIT_ALWAYS_ON void bpf_patch_call_args(struct bpf_insn *insn, u32 stack_depth); +#endif struct btf *bpf_get_btf_vmlinux(void); @@ -1667,12 +1686,18 @@ bpf_base_func_proto(enum bpf_func_id func_id) } #endif /* CONFIG_BPF_SYSCALL */ +void __bpf_free_used_btfs(struct bpf_prog_aux *aux, + struct btf_mod_pair *used_btfs, u32 len); + static inline struct bpf_prog *bpf_prog_get_type(u32 ufd, enum bpf_prog_type type) { return bpf_prog_get_type_dev(ufd, type, false); } +void __bpf_free_used_maps(struct bpf_prog_aux *aux, + struct bpf_map **used_maps, u32 len); + bool bpf_prog_get_ok(struct bpf_prog *, enum bpf_prog_type *, bool); int bpf_prog_offload_compile(struct bpf_prog *prog); @@ -1860,6 +1885,7 @@ extern const struct bpf_func_proto bpf_per_cpu_ptr_proto; extern const struct bpf_func_proto bpf_this_cpu_ptr_proto; extern const struct bpf_func_proto bpf_ktime_get_coarse_ns_proto; extern const struct bpf_func_proto bpf_sock_from_file_proto; +extern const struct bpf_func_proto bpf_get_socket_ptr_cookie_proto; const struct bpf_func_proto *bpf_tracing_func_proto( enum bpf_func_id func_id, const struct bpf_prog *prog); diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index e941fe1484e5..971b33aca13d 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -195,7 +195,7 @@ struct bpf_func_state { * 0 = main function, 1 = first callee. */ u32 frameno; - /* subprog number == index within subprog_stack_depth + /* subprog number == index within subprog_info * zero == main subprog */ u32 subprogno; @@ -340,6 +340,7 @@ struct bpf_insn_aux_data { }; #define MAX_USED_MAPS 64 /* max number of maps accessed by one eBPF program */ +#define MAX_USED_BTFS 64 /* max number of BTFs accessed by one BPF program */ #define BPF_VERIFIER_TMP_LOG_SIZE 1024 @@ -398,9 +399,12 @@ struct bpf_verifier_env { struct bpf_verifier_state_list **explored_states; /* search pruning optimization */ struct bpf_verifier_state_list *free_list; struct bpf_map *used_maps[MAX_USED_MAPS]; /* array of map's used by eBPF program */ + struct btf_mod_pair used_btfs[MAX_USED_BTFS]; /* array of BTF's used by BPF program */ u32 used_map_cnt; /* number of used maps */ + u32 used_btf_cnt; /* number of used BTF objects */ u32 id_gen; /* used to generate unique reg IDs */ bool allow_ptr_leaks; + bool allow_uninit_stack; bool allow_ptr_to_map_access; bool bpf_capable; bool bypass_spec_v1; @@ -467,6 +471,8 @@ bpf_prog_offload_remove_insns(struct bpf_verifier_env *env, u32 off, u32 cnt); int check_ctx_reg(struct bpf_verifier_env *env, const struct bpf_reg_state *reg, int regno); +int check_mem_reg(struct bpf_verifier_env *env, struct bpf_reg_state *reg, + u32 regno, u32 mem_size); /* this lives here instead of in bpf.h because it needs to dereference tgt_prog */ static inline u64 bpf_trampoline_compute_key(const struct bpf_prog *tgt_prog, diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h index d0bd226d6bd9..c2c2147dfeb8 100644 --- a/include/linux/brcmphy.h +++ b/include/linux/brcmphy.h @@ -31,6 +31,7 @@ #define PHY_ID_BCM89610 0x03625cd0 #define PHY_ID_BCM72113 0x35905310 +#define PHY_ID_BCM72116 0x35905350 #define PHY_ID_BCM7250 0xae025280 #define PHY_ID_BCM7255 0xae025120 #define PHY_ID_BCM7260 0xae025190 @@ -60,19 +61,11 @@ #define PHY_BCM_OUI_5 0x03625e00 #define PHY_BCM_OUI_6 0xae025000 -#define PHY_BCM_FLAGS_MODE_COPPER 0x00000001 -#define PHY_BCM_FLAGS_MODE_1000BX 0x00000002 -#define PHY_BCM_FLAGS_INTF_SGMII 0x00000010 -#define PHY_BCM_FLAGS_INTF_XAUI 0x00000020 -#define PHY_BRCM_WIRESPEED_ENABLE 0x00000100 -#define PHY_BRCM_AUTO_PWRDWN_ENABLE 0x00000200 -#define PHY_BRCM_RX_REFCLK_UNUSED 0x00000400 -#define PHY_BRCM_STD_IBND_DISABLE 0x00000800 -#define PHY_BRCM_EXT_IBND_RX_ENABLE 0x00001000 -#define PHY_BRCM_EXT_IBND_TX_ENABLE 0x00002000 -#define PHY_BRCM_CLEAR_RGMII_MODE 0x00004000 -#define PHY_BRCM_DIS_TXCRXC_NOENRGY 0x00008000 -#define PHY_BRCM_EN_MASTER_MODE 0x00010000 +#define PHY_BRCM_AUTO_PWRDWN_ENABLE 0x00000001 +#define PHY_BRCM_RX_REFCLK_UNUSED 0x00000002 +#define PHY_BRCM_CLEAR_RGMII_MODE 0x00000004 +#define PHY_BRCM_DIS_TXCRXC_NOENRGY 0x00000008 +#define PHY_BRCM_EN_MASTER_MODE 0x00000010 /* Broadcom BCM7xxx specific workarounds */ #define PHY_BRCM_7XXX_REV(x) (((x) >> 8) & 0xff) @@ -136,6 +129,7 @@ #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC 0x07 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_WIRESPEED_EN 0x0010 +#define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_EN 0x0080 #define MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN 0x0100 #define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX 0x0200 #define MII_BCM54XX_AUXCTL_MISC_WREN 0x8000 @@ -197,6 +191,7 @@ #define BCM54XX_SHD_SCR3_DEF_CLK125 0x0001 #define BCM54XX_SHD_SCR3_DLLAPD_DIS 0x0002 #define BCM54XX_SHD_SCR3_TRDDAPD 0x0004 +#define BCM54XX_SHD_SCR3_RXCTXC_DIS 0x0100 /* 01010: Auto Power-Down */ #define BCM54XX_SHD_APD 0x0a @@ -222,6 +217,9 @@ /* 11111: Mode Control Register */ #define BCM54XX_SHD_MODE 0x1f #define BCM54XX_SHD_INTF_SEL_MASK GENMASK(2, 1) /* INTERF_SEL[1:0] */ +#define BCM54XX_SHD_INTF_SEL_RGMII 0x02 +#define BCM54XX_SHD_INTF_SEL_SGMII 0x04 +#define BCM54XX_SHD_INTF_SEL_GBIC 0x06 #define BCM54XX_SHD_MODE_1000BX BIT(0) /* Enable 1000-X registers */ /* @@ -257,7 +255,6 @@ #define BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN (1 << 0) #define BCM54810_SHD_CLK_CTL 0x3 #define BCM54810_SHD_CLK_CTL_GTXCLK_EN (1 << 9) -#define BCM54810_SHD_SCR3_TRDDAPD 0x0100 /* BCM54612E Registers */ #define BCM54612E_EXP_SPARE0 (MII_BCM54XX_EXP_SEL_ETC + 0x34) diff --git a/include/linux/btf.h b/include/linux/btf.h index 4c200f5d242b..7fabf1428093 100644 --- a/include/linux/btf.h +++ b/include/linux/btf.h @@ -91,6 +91,9 @@ int btf_type_snprintf_show(const struct btf *btf, u32 type_id, void *obj, int btf_get_fd_by_id(u32 id); u32 btf_obj_id(const struct btf *btf); bool btf_is_kernel(const struct btf *btf); +bool btf_is_module(const struct btf *btf); +struct module *btf_try_get_module(const struct btf *btf); +u32 btf_nr_types(const struct btf *btf); bool btf_member_is_reg_int(const struct btf *btf, const struct btf_type *s, const struct btf_member *m, u32 expected_offset, u32 expected_size); diff --git a/include/linux/buildid.h b/include/linux/buildid.h new file mode 100644 index 000000000000..40232f90db6e --- /dev/null +++ b/include/linux/buildid.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_BUILDID_H +#define _LINUX_BUILDID_H + +#include <linux/mm_types.h> + +#define BUILD_ID_SIZE_MAX 20 + +int build_id_parse(struct vm_area_struct *vma, unsigned char *build_id, + __u32 *size); + +#endif diff --git a/include/linux/can/bittiming.h b/include/linux/can/bittiming.h new file mode 100644 index 000000000000..707575c668f4 --- /dev/null +++ b/include/linux/can/bittiming.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright (c) 2020 Pengutronix, Marc Kleine-Budde <kernel@pengutronix.de> + */ + +#ifndef _CAN_BITTIMING_H +#define _CAN_BITTIMING_H + +#include <linux/netdevice.h> +#include <linux/can/netlink.h> + +#define CAN_SYNC_SEG 1 + +#ifdef CONFIG_CAN_CALC_BITTIMING +int can_calc_bittiming(struct net_device *dev, struct can_bittiming *bt, + const struct can_bittiming_const *btc); +#else /* !CONFIG_CAN_CALC_BITTIMING */ +static inline int +can_calc_bittiming(struct net_device *dev, struct can_bittiming *bt, + const struct can_bittiming_const *btc) +{ + netdev_err(dev, "bit-timing calculation not available\n"); + return -EINVAL; +} +#endif /* CONFIG_CAN_CALC_BITTIMING */ + +int can_get_bittiming(struct net_device *dev, struct can_bittiming *bt, + const struct can_bittiming_const *btc, + const u32 *bitrate_const, + const unsigned int bitrate_const_cnt); + +/* + * can_bit_time() - Duration of one bit + * + * Please refer to ISO 11898-1:2015, section 11.3.1.1 "Bit time" for + * additional information. + * + * Return: the number of time quanta in one bit. + */ +static inline unsigned int can_bit_time(const struct can_bittiming *bt) +{ + return CAN_SYNC_SEG + bt->prop_seg + bt->phase_seg1 + bt->phase_seg2; +} + +#endif /* !_CAN_BITTIMING_H */ diff --git a/include/linux/can/can-ml.h b/include/linux/can/can-ml.h index 2f5d731ae251..8afa92d15a66 100644 --- a/include/linux/can/can-ml.h +++ b/include/linux/can/can-ml.h @@ -44,6 +44,7 @@ #include <linux/can.h> #include <linux/list.h> +#include <linux/netdevice.h> #define CAN_SFF_RCV_ARRAY_SZ (1 << CAN_SFF_ID_BITS) #define CAN_EFF_RCV_HASH_BITS 10 @@ -65,4 +66,15 @@ struct can_ml_priv { #endif }; +static inline struct can_ml_priv *can_get_ml_priv(struct net_device *dev) +{ + return netdev_get_ml_priv(dev, ML_PRIV_CAN); +} + +static inline void can_set_ml_priv(struct net_device *dev, + struct can_ml_priv *ml_priv) +{ + netdev_set_ml_priv(dev, ml_priv, ML_PRIV_CAN); +} + #endif /* CAN_ML_H */ diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index 197a79535cc2..ac4d83a1ab81 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -15,8 +15,10 @@ #define _CAN_DEV_H #include <linux/can.h> +#include <linux/can/bittiming.h> #include <linux/can/error.h> #include <linux/can/led.h> +#include <linux/can/length.h> #include <linux/can/netlink.h> #include <linux/can/skb.h> #include <linux/netdevice.h> @@ -82,118 +84,6 @@ struct can_priv { #endif }; -#define CAN_SYNC_SEG 1 - -/* - * can_bit_time() - Duration of one bit - * - * Please refer to ISO 11898-1:2015, section 11.3.1.1 "Bit time" for - * additional information. - * - * Return: the number of time quanta in one bit. - */ -static inline unsigned int can_bit_time(const struct can_bittiming *bt) -{ - return CAN_SYNC_SEG + bt->prop_seg + bt->phase_seg1 + bt->phase_seg2; -} - -/* - * can_cc_dlc2len(value) - convert a given data length code (dlc) of a - * Classical CAN frame into a valid data length of max. 8 bytes. - * - * To be used in the CAN netdriver receive path to ensure conformance with - * ISO 11898-1 Chapter 8.4.2.3 (DLC field) - */ -#define can_cc_dlc2len(dlc) (min_t(u8, (dlc), CAN_MAX_DLEN)) - -/* Check for outgoing skbs that have not been created by the CAN subsystem */ -static inline bool can_skb_headroom_valid(struct net_device *dev, - struct sk_buff *skb) -{ - /* af_packet creates a headroom of HH_DATA_MOD bytes which is fine */ - if (WARN_ON_ONCE(skb_headroom(skb) < sizeof(struct can_skb_priv))) - return false; - - /* af_packet does not apply CAN skb specific settings */ - if (skb->ip_summed == CHECKSUM_NONE) { - /* init headroom */ - can_skb_prv(skb)->ifindex = dev->ifindex; - can_skb_prv(skb)->skbcnt = 0; - - skb->ip_summed = CHECKSUM_UNNECESSARY; - - /* perform proper loopback on capable devices */ - if (dev->flags & IFF_ECHO) - skb->pkt_type = PACKET_LOOPBACK; - else - skb->pkt_type = PACKET_HOST; - - skb_reset_mac_header(skb); - skb_reset_network_header(skb); - skb_reset_transport_header(skb); - } - - return true; -} - -/* Drop a given socketbuffer if it does not contain a valid CAN frame. */ -static inline bool can_dropped_invalid_skb(struct net_device *dev, - struct sk_buff *skb) -{ - const struct canfd_frame *cfd = (struct canfd_frame *)skb->data; - - if (skb->protocol == htons(ETH_P_CAN)) { - if (unlikely(skb->len != CAN_MTU || - cfd->len > CAN_MAX_DLEN)) - goto inval_skb; - } else if (skb->protocol == htons(ETH_P_CANFD)) { - if (unlikely(skb->len != CANFD_MTU || - cfd->len > CANFD_MAX_DLEN)) - goto inval_skb; - } else - goto inval_skb; - - if (!can_skb_headroom_valid(dev, skb)) - goto inval_skb; - - return false; - -inval_skb: - kfree_skb(skb); - dev->stats.tx_dropped++; - return true; -} - -static inline bool can_is_canfd_skb(const struct sk_buff *skb) -{ - /* the CAN specific type of skb is identified by its data length */ - return skb->len == CANFD_MTU; -} - -/* helper to get the data length code (DLC) for Classical CAN raw DLC access */ -static inline u8 can_get_cc_dlc(const struct can_frame *cf, const u32 ctrlmode) -{ - /* return len8_dlc as dlc value only if all conditions apply */ - if ((ctrlmode & CAN_CTRLMODE_CC_LEN8_DLC) && - (cf->len == CAN_MAX_DLEN) && - (cf->len8_dlc > CAN_MAX_DLEN && cf->len8_dlc <= CAN_MAX_RAW_DLC)) - return cf->len8_dlc; - - /* return the payload length as dlc value */ - return cf->len; -} - -/* helper to set len and len8_dlc value for Classical CAN raw DLC access */ -static inline void can_frame_set_cc_len(struct can_frame *cf, const u8 dlc, - const u32 ctrlmode) -{ - /* the caller already ensured that dlc is a value from 0 .. 15 */ - if (ctrlmode & CAN_CTRLMODE_CC_LEN8_DLC && dlc > CAN_MAX_DLEN) - cf->len8_dlc = dlc; - - /* limit the payload length 'len' to CAN_MAX_DLEN */ - cf->len = can_cc_dlc2len(dlc); -} /* helper to define static CAN controller features at device creation time */ static inline void can_set_static_ctrlmode(struct net_device *dev, @@ -210,11 +100,7 @@ static inline void can_set_static_ctrlmode(struct net_device *dev, dev->mtu = CANFD_MTU; } -/* get data length from raw data length code (DLC) */ -u8 can_fd_dlc2len(u8 dlc); - -/* map the sanitized data length to an appropriate data length code */ -u8 can_fd_len2dlc(u8 len); +void can_setup(struct net_device *dev); struct net_device *alloc_candev_mqs(int sizeof_priv, unsigned int echo_skb_max, unsigned int txqs, unsigned int rxqs); @@ -237,26 +123,18 @@ void unregister_candev(struct net_device *dev); int can_restart_now(struct net_device *dev); void can_bus_off(struct net_device *dev); +const char *can_get_state_str(const enum can_state state); void can_change_state(struct net_device *dev, struct can_frame *cf, enum can_state tx_state, enum can_state rx_state); -int can_put_echo_skb(struct sk_buff *skb, struct net_device *dev, - unsigned int idx); -struct sk_buff *__can_get_echo_skb(struct net_device *dev, unsigned int idx, - u8 *len_ptr); -unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx); -void can_free_echo_skb(struct net_device *dev, unsigned int idx); - #ifdef CONFIG_OF void of_can_transceiver(struct net_device *dev); #else static inline void of_can_transceiver(struct net_device *dev) { } #endif -struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf); -struct sk_buff *alloc_canfd_skb(struct net_device *dev, - struct canfd_frame **cfd); -struct sk_buff *alloc_can_err_skb(struct net_device *dev, - struct can_frame **cf); +extern struct rtnl_link_ops can_link_ops; +int can_netlink_register(void); +void can_netlink_unregister(void); #endif /* !_CAN_DEV_H */ diff --git a/include/linux/can/length.h b/include/linux/can/length.h new file mode 100644 index 000000000000..6995092b774e --- /dev/null +++ b/include/linux/can/length.h @@ -0,0 +1,174 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2020 Oliver Hartkopp <socketcan@hartkopp.net> + * Copyright (C) 2020 Marc Kleine-Budde <kernel@pengutronix.de> + */ + +#ifndef _CAN_LENGTH_H +#define _CAN_LENGTH_H + +/* + * Size of a Classical CAN Standard Frame + * + * Name of Field Bits + * --------------------------------------------------------- + * Start-of-frame 1 + * Identifier 11 + * Remote transmission request (RTR) 1 + * Identifier extension bit (IDE) 1 + * Reserved bit (r0) 1 + * Data length code (DLC) 4 + * Data field 0...64 + * CRC 15 + * CRC delimiter 1 + * ACK slot 1 + * ACK delimiter 1 + * End-of-frame (EOF) 7 + * Inter frame spacing 3 + * + * rounded up and ignoring bitstuffing + */ +#define CAN_FRAME_OVERHEAD_SFF DIV_ROUND_UP(47, 8) + +/* + * Size of a Classical CAN Extended Frame + * + * Name of Field Bits + * --------------------------------------------------------- + * Start-of-frame 1 + * Identifier A 11 + * Substitute remote request (SRR) 1 + * Identifier extension bit (IDE) 1 + * Identifier B 18 + * Remote transmission request (RTR) 1 + * Reserved bits (r1, r0) 2 + * Data length code (DLC) 4 + * Data field 0...64 + * CRC 15 + * CRC delimiter 1 + * ACK slot 1 + * ACK delimiter 1 + * End-of-frame (EOF) 7 + * Inter frame spacing 3 + * + * rounded up and ignoring bitstuffing + */ +#define CAN_FRAME_OVERHEAD_EFF DIV_ROUND_UP(67, 8) + +/* + * Size of a CAN-FD Standard Frame + * + * Name of Field Bits + * --------------------------------------------------------- + * Start-of-frame 1 + * Identifier 11 + * Reserved bit (r1) 1 + * Identifier extension bit (IDE) 1 + * Flexible data rate format (FDF) 1 + * Reserved bit (r0) 1 + * Bit Rate Switch (BRS) 1 + * Error Status Indicator (ESI) 1 + * Data length code (DLC) 4 + * Data field 0...512 + * Stuff Bit Count (SBC) 0...16: 4 20...64:5 + * CRC 0...16: 17 20...64:21 + * CRC delimiter (CD) 1 + * ACK slot (AS) 1 + * ACK delimiter (AD) 1 + * End-of-frame (EOF) 7 + * Inter frame spacing 3 + * + * assuming CRC21, rounded up and ignoring bitstuffing + */ +#define CANFD_FRAME_OVERHEAD_SFF DIV_ROUND_UP(61, 8) + +/* + * Size of a CAN-FD Extended Frame + * + * Name of Field Bits + * --------------------------------------------------------- + * Start-of-frame 1 + * Identifier A 11 + * Substitute remote request (SRR) 1 + * Identifier extension bit (IDE) 1 + * Identifier B 18 + * Reserved bit (r1) 1 + * Flexible data rate format (FDF) 1 + * Reserved bit (r0) 1 + * Bit Rate Switch (BRS) 1 + * Error Status Indicator (ESI) 1 + * Data length code (DLC) 4 + * Data field 0...512 + * Stuff Bit Count (SBC) 0...16: 4 20...64:5 + * CRC 0...16: 17 20...64:21 + * CRC delimiter (CD) 1 + * ACK slot (AS) 1 + * ACK delimiter (AD) 1 + * End-of-frame (EOF) 7 + * Inter frame spacing 3 + * + * assuming CRC21, rounded up and ignoring bitstuffing + */ +#define CANFD_FRAME_OVERHEAD_EFF DIV_ROUND_UP(80, 8) + +/* + * Maximum size of a Classical CAN frame + * (rounded up and ignoring bitstuffing) + */ +#define CAN_FRAME_LEN_MAX (CAN_FRAME_OVERHEAD_EFF + CAN_MAX_DLEN) + +/* + * Maximum size of a CAN-FD frame + * (rounded up and ignoring bitstuffing) + */ +#define CANFD_FRAME_LEN_MAX (CANFD_FRAME_OVERHEAD_EFF + CANFD_MAX_DLEN) + +/* + * can_cc_dlc2len(value) - convert a given data length code (dlc) of a + * Classical CAN frame into a valid data length of max. 8 bytes. + * + * To be used in the CAN netdriver receive path to ensure conformance with + * ISO 11898-1 Chapter 8.4.2.3 (DLC field) + */ +#define can_cc_dlc2len(dlc) (min_t(u8, (dlc), CAN_MAX_DLEN)) + +/* helper to get the data length code (DLC) for Classical CAN raw DLC access */ +static inline u8 can_get_cc_dlc(const struct can_frame *cf, const u32 ctrlmode) +{ + /* return len8_dlc as dlc value only if all conditions apply */ + if ((ctrlmode & CAN_CTRLMODE_CC_LEN8_DLC) && + (cf->len == CAN_MAX_DLEN) && + (cf->len8_dlc > CAN_MAX_DLEN && cf->len8_dlc <= CAN_MAX_RAW_DLC)) + return cf->len8_dlc; + + /* return the payload length as dlc value */ + return cf->len; +} + +/* helper to set len and len8_dlc value for Classical CAN raw DLC access */ +static inline void can_frame_set_cc_len(struct can_frame *cf, const u8 dlc, + const u32 ctrlmode) +{ + /* the caller already ensured that dlc is a value from 0 .. 15 */ + if (ctrlmode & CAN_CTRLMODE_CC_LEN8_DLC && dlc > CAN_MAX_DLEN) + cf->len8_dlc = dlc; + + /* limit the payload length 'len' to CAN_MAX_DLEN */ + cf->len = can_cc_dlc2len(dlc); +} + +/* get data length from raw data length code (DLC) */ +u8 can_fd_dlc2len(u8 dlc); + +/* map the sanitized data length to an appropriate data length code */ +u8 can_fd_len2dlc(u8 len); + +/* calculate the CAN Frame length in bytes of a given skb */ +unsigned int can_skb_get_frame_len(const struct sk_buff *skb); + +/* map the data length to an appropriate data link layer length */ +static inline u8 canfd_sanitize_len(u8 len) +{ + return can_fd_dlc2len(can_fd_len2dlc(len)); +} + +#endif /* !_CAN_LENGTH_H */ diff --git a/include/linux/can/rx-offload.h b/include/linux/can/rx-offload.h index f1b38088b765..40882df7105e 100644 --- a/include/linux/can/rx-offload.h +++ b/include/linux/can/rx-offload.h @@ -44,7 +44,8 @@ int can_rx_offload_irq_offload_fifo(struct can_rx_offload *offload); int can_rx_offload_queue_sorted(struct can_rx_offload *offload, struct sk_buff *skb, u32 timestamp); unsigned int can_rx_offload_get_echo_skb(struct can_rx_offload *offload, - unsigned int idx, u32 timestamp); + unsigned int idx, u32 timestamp, + unsigned int *frame_len_ptr); int can_rx_offload_queue_tail(struct can_rx_offload *offload, struct sk_buff *skb); void can_rx_offload_del(struct can_rx_offload *offload); diff --git a/include/linux/can/skb.h b/include/linux/can/skb.h index fc61cf4eff1c..d438eb058069 100644 --- a/include/linux/can/skb.h +++ b/include/linux/can/skb.h @@ -16,6 +16,20 @@ #include <linux/can.h> #include <net/sock.h> +void can_flush_echo_skb(struct net_device *dev); +int can_put_echo_skb(struct sk_buff *skb, struct net_device *dev, + unsigned int idx, unsigned int frame_len); +struct sk_buff *__can_get_echo_skb(struct net_device *dev, unsigned int idx, + u8 *len_ptr, unsigned int *frame_len_ptr); +unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx, + unsigned int *frame_len_ptr); +void can_free_echo_skb(struct net_device *dev, unsigned int idx); +struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf); +struct sk_buff *alloc_canfd_skb(struct net_device *dev, + struct canfd_frame **cfd); +struct sk_buff *alloc_can_err_skb(struct net_device *dev, + struct can_frame **cf); + /* * The struct can_skb_priv is used to transport additional information along * with the stored struct can(fd)_frame that can not be contained in existing @@ -29,11 +43,13 @@ * struct can_skb_priv - private additional data inside CAN sk_buffs * @ifindex: ifindex of the first interface the CAN frame appeared on * @skbcnt: atomic counter to have an unique id together with skb pointer + * @frame_len: length of CAN frame in data link layer * @cf: align to the following CAN frame at skb->data */ struct can_skb_priv { int ifindex; int skbcnt; + unsigned int frame_len; struct can_frame cf[]; }; @@ -49,8 +65,12 @@ static inline void can_skb_reserve(struct sk_buff *skb) static inline void can_skb_set_owner(struct sk_buff *skb, struct sock *sk) { - if (sk) { - sock_hold(sk); + /* If the socket has already been closed by user space, the + * refcount may already be 0 (and the socket will be freed + * after the last TX skb has been freed). So only increase + * socket refcount if the refcount is > 0. + */ + if (sk && refcount_inc_not_zero(&sk->sk_refcnt)) { skb->destructor = sock_efree; skb->sk = sk; } @@ -74,4 +94,68 @@ static inline struct sk_buff *can_create_echo_skb(struct sk_buff *skb) return nskb; } +/* Check for outgoing skbs that have not been created by the CAN subsystem */ +static inline bool can_skb_headroom_valid(struct net_device *dev, + struct sk_buff *skb) +{ + /* af_packet creates a headroom of HH_DATA_MOD bytes which is fine */ + if (WARN_ON_ONCE(skb_headroom(skb) < sizeof(struct can_skb_priv))) + return false; + + /* af_packet does not apply CAN skb specific settings */ + if (skb->ip_summed == CHECKSUM_NONE) { + /* init headroom */ + can_skb_prv(skb)->ifindex = dev->ifindex; + can_skb_prv(skb)->skbcnt = 0; + + skb->ip_summed = CHECKSUM_UNNECESSARY; + + /* perform proper loopback on capable devices */ + if (dev->flags & IFF_ECHO) + skb->pkt_type = PACKET_LOOPBACK; + else + skb->pkt_type = PACKET_HOST; + + skb_reset_mac_header(skb); + skb_reset_network_header(skb); + skb_reset_transport_header(skb); + } + + return true; +} + +/* Drop a given socketbuffer if it does not contain a valid CAN frame. */ +static inline bool can_dropped_invalid_skb(struct net_device *dev, + struct sk_buff *skb) +{ + const struct canfd_frame *cfd = (struct canfd_frame *)skb->data; + + if (skb->protocol == htons(ETH_P_CAN)) { + if (unlikely(skb->len != CAN_MTU || + cfd->len > CAN_MAX_DLEN)) + goto inval_skb; + } else if (skb->protocol == htons(ETH_P_CANFD)) { + if (unlikely(skb->len != CANFD_MTU || + cfd->len > CANFD_MAX_DLEN)) + goto inval_skb; + } else + goto inval_skb; + + if (!can_skb_headroom_valid(dev, skb)) + goto inval_skb; + + return false; + +inval_skb: + kfree_skb(skb); + dev->stats.tx_dropped++; + return true; +} + +static inline bool can_is_canfd_skb(const struct sk_buff *skb) +{ + /* the CAN specific type of skb is identified by its data length */ + return skb->len == CANFD_MTU; +} + #endif /* !_CAN_SKB_H */ diff --git a/include/linux/capability.h b/include/linux/capability.h index b2f698915c0f..65efb74c3585 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -247,8 +247,11 @@ static inline bool ns_capable_setid(struct user_namespace *ns, int cap) return true; } #endif /* CONFIG_MULTIUSER */ -extern bool privileged_wrt_inode_uidgid(struct user_namespace *ns, const struct inode *inode); -extern bool capable_wrt_inode_uidgid(const struct inode *inode, int cap); +bool privileged_wrt_inode_uidgid(struct user_namespace *ns, + struct user_namespace *mnt_userns, + const struct inode *inode); +bool capable_wrt_inode_uidgid(struct user_namespace *mnt_userns, + const struct inode *inode, int cap); extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap); extern bool ptracer_capable(struct task_struct *tsk, struct user_namespace *ns); static inline bool perfmon_capable(void) @@ -268,8 +271,11 @@ static inline bool checkpoint_restore_ns_capable(struct user_namespace *ns) } /* audit system wants to get cap info from files as well */ -extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps); +int get_vfs_caps_from_disk(struct user_namespace *mnt_userns, + const struct dentry *dentry, + struct cpu_vfs_cap_data *cpu_caps); -extern int cap_convert_nscap(struct dentry *dentry, const void **ivalue, size_t size); +int cap_convert_nscap(struct user_namespace *mnt_userns, struct dentry *dentry, + const void **ivalue, size_t size); #endif /* !_LINUX_CAPABILITY_H */ diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h index eb9008bb3992..409d8c29bc4f 100644 --- a/include/linux/ceph/libceph.h +++ b/include/linux/ceph/libceph.h @@ -32,10 +32,9 @@ #define CEPH_OPT_NOSHARE (1<<1) /* don't share client with other sbs */ #define CEPH_OPT_MYIP (1<<2) /* specified my ip */ #define CEPH_OPT_NOCRC (1<<3) /* no data crc on writes (msgr1) */ -#define CEPH_OPT_NOMSGAUTH (1<<4) /* don't require msg signing feat */ -#define CEPH_OPT_TCP_NODELAY (1<<5) /* TCP_NODELAY on TCP sockets */ -#define CEPH_OPT_NOMSGSIGN (1<<6) /* don't sign msgs (msgr1) */ -#define CEPH_OPT_ABORT_ON_FULL (1<<7) /* abort w/ ENOSPC when full */ +#define CEPH_OPT_TCP_NODELAY (1<<4) /* TCP_NODELAY on TCP sockets */ +#define CEPH_OPT_NOMSGSIGN (1<<5) /* don't sign msgs (msgr1) */ +#define CEPH_OPT_ABORT_ON_FULL (1<<6) /* abort w/ ENOSPC when full */ #define CEPH_OPT_DEFAULT (CEPH_OPT_TCP_NODELAY) diff --git a/include/linux/cfag12864b.h b/include/linux/cfag12864b.h index 4060004968c8..6617d9c68d86 100644 --- a/include/linux/cfag12864b.h +++ b/include/linux/cfag12864b.h @@ -4,7 +4,7 @@ * Version: 0.1.0 * Description: cfag12864b LCD driver header * - * Author: Copyright (C) Miguel Ojeda Sandonis + * Author: Copyright (C) Miguel Ojeda <ojeda@kernel.org> * Date: 2006-10-12 */ diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 451c2d26a5db..4f2f79de083e 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -307,7 +307,7 @@ void css_task_iter_end(struct css_task_iter *it); * Inline functions. */ -static inline u64 cgroup_id(struct cgroup *cgrp) +static inline u64 cgroup_id(const struct cgroup *cgrp) { return cgrp->kn->id; } @@ -701,7 +701,7 @@ void cgroup_path_from_kernfs_id(u64 id, char *buf, size_t buflen); struct cgroup_subsys_state; struct cgroup; -static inline u64 cgroup_id(struct cgroup *cgrp) { return 1; } +static inline u64 cgroup_id(const struct cgroup *cgrp) { return 1; } static inline void css_get(struct cgroup_subsys_state *css) {} static inline void css_put(struct cgroup_subsys_state *css) {} static inline int cgroup_attach_task_all(struct task_struct *from, diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index e4316890661a..58f6fe866ae9 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -941,7 +941,9 @@ struct clk_hw *clk_hw_register_fixed_factor(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned int mult, unsigned int div); void clk_hw_unregister_fixed_factor(struct clk_hw *hw); - +struct clk_hw *devm_clk_hw_register_fixed_factor(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + unsigned int mult, unsigned int div); /** * struct clk_fractional_divider - adjustable fractional divider clock * diff --git a/include/linux/clk.h b/include/linux/clk.h index 31ff1bf1b79f..266e8de3cb51 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -92,7 +92,7 @@ struct clk_bulk_data { #ifdef CONFIG_COMMON_CLK /** - * clk_notifier_register: register a clock rate-change notifier callback + * clk_notifier_register - register a clock rate-change notifier callback * @clk: clock whose rate we are interested in * @nb: notifier block with callback function pointer * @@ -103,7 +103,7 @@ struct clk_bulk_data { int clk_notifier_register(struct clk *clk, struct notifier_block *nb); /** - * clk_notifier_unregister: unregister a clock rate-change notifier callback + * clk_notifier_unregister - unregister a clock rate-change notifier callback * @clk: clock whose rate we are no longer interested in * @nb: notifier block which will be unregistered */ @@ -238,6 +238,7 @@ static inline bool clk_is_match(const struct clk *p, const struct clk *q) #endif +#ifdef CONFIG_HAVE_CLK_PREPARE /** * clk_prepare - prepare a clock source * @clk: clock source @@ -246,10 +247,26 @@ static inline bool clk_is_match(const struct clk *p, const struct clk *q) * * Must not be called from within atomic context. */ -#ifdef CONFIG_HAVE_CLK_PREPARE int clk_prepare(struct clk *clk); int __must_check clk_bulk_prepare(int num_clks, const struct clk_bulk_data *clks); + +/** + * clk_is_enabled_when_prepared - indicate if preparing a clock also enables it. + * @clk: clock source + * + * Returns true if clk_prepare() implicitly enables the clock, effectively + * making clk_enable()/clk_disable() no-ops, false otherwise. + * + * This is of interest mainly to the power management code where actually + * disabling the clock also requires unpreparing it to have any material + * effect. + * + * Regardless of the value returned here, the caller must always invoke + * clk_enable() or clk_prepare_enable() and counterparts for usage counts + * to be right. + */ +bool clk_is_enabled_when_prepared(struct clk *clk); #else static inline int clk_prepare(struct clk *clk) { @@ -263,6 +280,11 @@ clk_bulk_prepare(int num_clks, const struct clk_bulk_data *clks) might_sleep(); return 0; } + +static inline bool clk_is_enabled_when_prepared(struct clk *clk) +{ + return false; +} #endif /** diff --git a/include/linux/clk/imx.h b/include/linux/clk/imx.h new file mode 100644 index 000000000000..75a0d9696552 --- /dev/null +++ b/include/linux/clk/imx.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2020 Freescale Semiconductor, Inc. + * + * Author: Lee Jones <lee.jones@linaro.org> + */ + +#ifndef __LINUX_CLK_IMX_H +#define __LINUX_CLK_IMX_H + +#include <linux/types.h> + +void imx6sl_set_wait_clk(bool enter); + +#endif diff --git a/include/linux/clk/spear.h b/include/linux/clk/spear.h new file mode 100644 index 000000000000..a64d034ceddd --- /dev/null +++ b/include/linux/clk/spear.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2020 STMicroelectronics - All Rights Reserved + * + * Author: Lee Jones <lee.jones@linaro.org> + */ + +#ifndef __LINUX_CLK_SPEAR_H +#define __LINUX_CLK_SPEAR_H + +#ifdef CONFIG_MACH_SPEAR1310 +void __init spear1310_clk_init(void __iomem *misc_base, void __iomem *ras_base); +#else +static inline void spear1310_clk_init(void __iomem *misc_base, void __iomem *ras_base) {} +#endif + +#ifdef CONFIG_MACH_SPEAR1340 +void __init spear1340_clk_init(void __iomem *misc_base); +#else +static inline void spear1340_clk_init(void __iomem *misc_base) {} +#endif + +#endif diff --git a/include/linux/clk/tegra.h b/include/linux/clk/tegra.h index 3f01d43f0598..eb016fc9cc0b 100644 --- a/include/linux/clk/tegra.h +++ b/include/linux/clk/tegra.h @@ -136,6 +136,7 @@ extern void tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value); extern void tegra210_clk_emc_update_setting(u32 emc_src_value); struct clk; +struct tegra_emc; typedef long (tegra20_clk_emc_round_cb)(unsigned long rate, unsigned long min_rate, @@ -146,6 +147,13 @@ void tegra20_clk_set_emc_round_callback(tegra20_clk_emc_round_cb *round_cb, void *cb_arg); int tegra20_clk_prepare_emc_mc_same_freq(struct clk *emc_clk, bool same); +typedef int (tegra124_emc_prepare_timing_change_cb)(struct tegra_emc *emc, + unsigned long rate); +typedef void (tegra124_emc_complete_timing_change_cb)(struct tegra_emc *emc, + unsigned long rate); +void tegra124_clk_set_emc_callbacks(tegra124_emc_prepare_timing_change_cb *prep_cb, + tegra124_emc_complete_timing_change_cb *complete_cb); + struct tegra210_clk_emc_config { unsigned long rate; bool same_freq; diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h index 98cff1b4b088..d217c382b02d 100644 --- a/include/linux/compiler-clang.h +++ b/include/linux/compiler-clang.h @@ -3,16 +3,6 @@ #error "Please don't include <linux/compiler-clang.h> directly, include <linux/compiler.h> instead." #endif -#define CLANG_VERSION (__clang_major__ * 10000 \ - + __clang_minor__ * 100 \ - + __clang_patchlevel__) - -#if CLANG_VERSION < 100001 -#ifndef __BPF_TRACING__ -# error Sorry, your version of Clang is too old - please use 10.0.1 or newer. -#endif -#endif - /* Compiler specific definitions for Clang compiler */ /* same as gcc, this was present in clang-2.6 so we can assume it works @@ -41,6 +31,12 @@ #define __no_sanitize_thread #endif +#if defined(CONFIG_ARCH_USE_BUILTIN_BSWAP) +#define __HAVE_BUILTIN_BSWAP32__ +#define __HAVE_BUILTIN_BSWAP64__ +#define __HAVE_BUILTIN_BSWAP16__ +#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ + #if __has_feature(undefined_behavior_sanitizer) /* GCC does not have __SANITIZE_UNDEFINED__ */ #define __no_sanitize_undefined \ diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 555ab0fddbef..48750243db4c 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -10,17 +10,6 @@ + __GNUC_MINOR__ * 100 \ + __GNUC_PATCHLEVEL__) -/* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145 */ -#if GCC_VERSION < 40900 -# error Sorry, your version of GCC is too old - please use 4.9 or newer. -#elif defined(CONFIG_ARM64) && GCC_VERSION < 50100 -/* - * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63293 - * https://lore.kernel.org/r/20210107111841.GN1551@shell.armlinux.org.uk - */ -# error Sorry, your version of GCC is too old - please use 5.1 or newer. -#endif - /* * This macro obfuscates arithmetic on a variable address so that gcc * shouldn't recognize the original var, and make assumptions about it. diff --git a/include/linux/compiler-version.h b/include/linux/compiler-version.h new file mode 100644 index 000000000000..2b2972c77c62 --- /dev/null +++ b/include/linux/compiler-version.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifdef __LINUX_COMPILER_VERSION_H +#error "Please do not include <linux/compiler-version.h>. This is done by the build system." +#endif +#define __LINUX_COMPILER_VERSION_H + +/* + * This header exists to force full rebuild when the compiler is upgraded. + * + * When fixdep scans this, it will find this string "CONFIG_CC_VERSION_TEXT" + * and add dependency on include/config/cc/version/text.h, which is touched + * by Kconfig when the version string from the compiler changes. + */ diff --git a/include/linux/compiler.h b/include/linux/compiler.h index b8fe0c23cfff..df5b405e6305 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -76,6 +76,8 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val, #else # define likely(x) __builtin_expect(!!(x), 1) # define unlikely(x) __builtin_expect(!!(x), 0) +# define likely_notrace(x) likely(x) +# define unlikely_notrace(x) unlikely(x) #endif /* Optimization barrier */ diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h index ea5e04e75845..c043b8d2b17b 100644 --- a/include/linux/compiler_attributes.h +++ b/include/linux/compiler_attributes.h @@ -211,6 +211,12 @@ #endif /* + * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#Common-Function-Attributes + * clang: https://clang.llvm.org/docs/AttributeReference.html#flatten + */ +# define __flatten __attribute__((flatten)) + +/* * Note the missing underscores. * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-noinline-function-attribute diff --git a/include/linux/connector.h b/include/linux/connector.h index 8ea860efea37..487350bb19c3 100644 --- a/include/linux/connector.h +++ b/include/linux/connector.h @@ -99,7 +99,7 @@ void cn_del_callback(const struct cb_id *id); int cn_netlink_send_mult(struct cn_msg *msg, u16 len, u32 portid, u32 group, gfp_t gfp_mask); /** - * cn_netlink_send_mult - Sends message to the specified groups. + * cn_netlink_send - Sends message to the specified groups. * * @msg: message header(with attached data). * @portid: destination port. diff --git a/include/linux/coresight-pmu.h b/include/linux/coresight-pmu.h index b0e35eec6499..4ac5c081af93 100644 --- a/include/linux/coresight-pmu.h +++ b/include/linux/coresight-pmu.h @@ -10,17 +10,27 @@ #define CORESIGHT_ETM_PMU_NAME "cs_etm" #define CORESIGHT_ETM_PMU_SEED 0x10 -/* ETMv3.5/PTM's ETMCR config bit */ -#define ETM_OPT_CYCACC 12 -#define ETM_OPT_CTXTID 14 -#define ETM_OPT_TS 28 -#define ETM_OPT_RETSTK 29 +/* + * Below are the definition of bit offsets for perf option, and works as + * arbitrary values for all ETM versions. + * + * Most of them are orignally from ETMv3.5/PTM's ETMCR config, therefore, + * ETMv3.5/PTM doesn't define ETMCR config bits with prefix "ETM3_" and + * directly use below macros as config bits. + */ +#define ETM_OPT_CYCACC 12 +#define ETM_OPT_CTXTID 14 +#define ETM_OPT_CTXTID2 15 +#define ETM_OPT_TS 28 +#define ETM_OPT_RETSTK 29 /* ETMv4 CONFIGR programming bits for the ETM OPTs */ #define ETM4_CFG_BIT_CYCACC 4 #define ETM4_CFG_BIT_CTXTID 6 +#define ETM4_CFG_BIT_VMID 7 #define ETM4_CFG_BIT_TS 11 #define ETM4_CFG_BIT_RETSTK 12 +#define ETM4_CFG_BIT_VMID_OPT 15 static inline int coresight_get_trace_id(int cpu) { diff --git a/include/linux/coresight.h b/include/linux/coresight.h index 7d3c87e5b97c..976ec2697610 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -7,6 +7,7 @@ #define _LINUX_CORESIGHT_H #include <linux/device.h> +#include <linux/io.h> #include <linux/perf_event.h> #include <linux/sched.h> @@ -115,6 +116,32 @@ struct coresight_platform_data { }; /** + * struct csdev_access - Abstraction of a CoreSight device access. + * + * @io_mem : True if the device has memory mapped I/O + * @base : When io_mem == true, base address of the component + * @read : Read from the given "offset" of the given instance. + * @write : Write "val" to the given "offset". + */ +struct csdev_access { + bool io_mem; + union { + void __iomem *base; + struct { + u64 (*read)(u32 offset, bool relaxed, bool _64bit); + void (*write)(u64 val, u32 offset, bool relaxed, + bool _64bit); + }; + }; +}; + +#define CSDEV_ACCESS_IOMEM(_addr) \ + ((struct csdev_access) { \ + .io_mem = true, \ + .base = (_addr), \ + }) + +/** * struct coresight_desc - description of a component required from drivers * @type: as defined by @coresight_dev_type. * @subtype: as defined by @coresight_dev_subtype. @@ -125,6 +152,7 @@ struct coresight_platform_data { * @groups: operations specific to this component. These will end up * in the component's sysfs sub-directory. * @name: name for the coresight device, also shown under sysfs. + * @access: Describe access to the device */ struct coresight_desc { enum coresight_dev_type type; @@ -134,6 +162,7 @@ struct coresight_desc { struct device *dev; const struct attribute_group **groups; const char *name; + struct csdev_access access; }; /** @@ -173,7 +202,8 @@ struct coresight_sysfs_link { * @type: as defined by @coresight_dev_type. * @subtype: as defined by @coresight_dev_subtype. * @ops: generic operations for this component, as defined - by @coresight_ops. + * by @coresight_ops. + * @access: Device i/o access abstraction for this device. * @dev: The device entity associated to this component. * @refcnt: keep track of what is in use. * @orphan: true if the component has connections that haven't been linked. @@ -195,6 +225,7 @@ struct coresight_device { enum coresight_dev_type type; union coresight_dev_subtype subtype; const struct coresight_ops *ops; + struct csdev_access access; struct device dev; atomic_t *refcnt; bool orphan; @@ -326,23 +357,133 @@ struct coresight_ops { }; #if IS_ENABLED(CONFIG_CORESIGHT) + +static inline u32 csdev_access_relaxed_read32(struct csdev_access *csa, + u32 offset) +{ + if (likely(csa->io_mem)) + return readl_relaxed(csa->base + offset); + + return csa->read(offset, true, false); +} + +static inline u32 csdev_access_read32(struct csdev_access *csa, u32 offset) +{ + if (likely(csa->io_mem)) + return readl(csa->base + offset); + + return csa->read(offset, false, false); +} + +static inline void csdev_access_relaxed_write32(struct csdev_access *csa, + u32 val, u32 offset) +{ + if (likely(csa->io_mem)) + writel_relaxed(val, csa->base + offset); + else + csa->write(val, offset, true, false); +} + +static inline void csdev_access_write32(struct csdev_access *csa, u32 val, u32 offset) +{ + if (likely(csa->io_mem)) + writel(val, csa->base + offset); + else + csa->write(val, offset, false, false); +} + +#ifdef CONFIG_64BIT + +static inline u64 csdev_access_relaxed_read64(struct csdev_access *csa, + u32 offset) +{ + if (likely(csa->io_mem)) + return readq_relaxed(csa->base + offset); + + return csa->read(offset, true, true); +} + +static inline u64 csdev_access_read64(struct csdev_access *csa, u32 offset) +{ + if (likely(csa->io_mem)) + return readq(csa->base + offset); + + return csa->read(offset, false, true); +} + +static inline void csdev_access_relaxed_write64(struct csdev_access *csa, + u64 val, u32 offset) +{ + if (likely(csa->io_mem)) + writeq_relaxed(val, csa->base + offset); + else + csa->write(val, offset, true, true); +} + +static inline void csdev_access_write64(struct csdev_access *csa, u64 val, u32 offset) +{ + if (likely(csa->io_mem)) + writeq(val, csa->base + offset); + else + csa->write(val, offset, false, true); +} + +#else /* !CONFIG_64BIT */ + +static inline u64 csdev_access_relaxed_read64(struct csdev_access *csa, + u32 offset) +{ + WARN_ON(1); + return 0; +} + +static inline u64 csdev_access_read64(struct csdev_access *csa, u32 offset) +{ + WARN_ON(1); + return 0; +} + +static inline void csdev_access_relaxed_write64(struct csdev_access *csa, + u64 val, u32 offset) +{ + WARN_ON(1); +} + +static inline void csdev_access_write64(struct csdev_access *csa, u64 val, u32 offset) +{ + WARN_ON(1); +} +#endif /* CONFIG_64BIT */ + extern struct coresight_device * coresight_register(struct coresight_desc *desc); extern void coresight_unregister(struct coresight_device *csdev); extern int coresight_enable(struct coresight_device *csdev); extern void coresight_disable(struct coresight_device *csdev); -extern int coresight_timeout(void __iomem *addr, u32 offset, +extern int coresight_timeout(struct csdev_access *csa, u32 offset, int position, int value); -extern int coresight_claim_device(void __iomem *base); -extern int coresight_claim_device_unlocked(void __iomem *base); +extern int coresight_claim_device(struct coresight_device *csdev); +extern int coresight_claim_device_unlocked(struct coresight_device *csdev); -extern void coresight_disclaim_device(void __iomem *base); -extern void coresight_disclaim_device_unlocked(void __iomem *base); +extern void coresight_disclaim_device(struct coresight_device *csdev); +extern void coresight_disclaim_device_unlocked(struct coresight_device *csdev); extern char *coresight_alloc_device_name(struct coresight_dev_list *devs, struct device *dev); extern bool coresight_loses_context_with_cpu(struct device *dev); + +u32 coresight_relaxed_read32(struct coresight_device *csdev, u32 offset); +u32 coresight_read32(struct coresight_device *csdev, u32 offset); +void coresight_write32(struct coresight_device *csdev, u32 val, u32 offset); +void coresight_relaxed_write32(struct coresight_device *csdev, + u32 val, u32 offset); +u64 coresight_relaxed_read64(struct coresight_device *csdev, u32 offset); +u64 coresight_read64(struct coresight_device *csdev, u32 offset); +void coresight_relaxed_write64(struct coresight_device *csdev, + u64 val, u32 offset); +void coresight_write64(struct coresight_device *csdev, u64 val, u32 offset); + #else static inline struct coresight_device * coresight_register(struct coresight_desc *desc) { return NULL; } @@ -350,29 +491,78 @@ static inline void coresight_unregister(struct coresight_device *csdev) {} static inline int coresight_enable(struct coresight_device *csdev) { return -ENOSYS; } static inline void coresight_disable(struct coresight_device *csdev) {} -static inline int coresight_timeout(void __iomem *addr, u32 offset, - int position, int value) { return 1; } -static inline int coresight_claim_device_unlocked(void __iomem *base) + +static inline int coresight_timeout(struct csdev_access *csa, u32 offset, + int position, int value) +{ + return 1; +} + +static inline int coresight_claim_device_unlocked(struct coresight_device *csdev) { return -EINVAL; } -static inline int coresight_claim_device(void __iomem *base) +static inline int coresight_claim_device(struct coresight_device *csdev) { return -EINVAL; } -static inline void coresight_disclaim_device(void __iomem *base) {} -static inline void coresight_disclaim_device_unlocked(void __iomem *base) {} +static inline void coresight_disclaim_device(struct coresight_device *csdev) {} +static inline void coresight_disclaim_device_unlocked(struct coresight_device *csdev) {} static inline bool coresight_loses_context_with_cpu(struct device *dev) { return false; } -#endif + +static inline u32 coresight_relaxed_read32(struct coresight_device *csdev, u32 offset) +{ + WARN_ON_ONCE(1); + return 0; +} + +static inline u32 coresight_read32(struct coresight_device *csdev, u32 offset) +{ + WARN_ON_ONCE(1); + return 0; +} + +static inline void coresight_write32(struct coresight_device *csdev, u32 val, u32 offset) +{ +} + +static inline void coresight_relaxed_write32(struct coresight_device *csdev, + u32 val, u32 offset) +{ +} + +static inline u64 coresight_relaxed_read64(struct coresight_device *csdev, + u32 offset) +{ + WARN_ON_ONCE(1); + return 0; +} + +static inline u64 coresight_read64(struct coresight_device *csdev, u32 offset) +{ + WARN_ON_ONCE(1); + return 0; +} + +static inline void coresight_relaxed_write64(struct coresight_device *csdev, + u64 val, u32 offset) +{ +} + +static inline void coresight_write64(struct coresight_device *csdev, u64 val, u32 offset) +{ +} + +#endif /* IS_ENABLED(CONFIG_CORESIGHT) */ extern int coresight_get_cpu(struct device *dev); struct coresight_platform_data *coresight_get_platform_data(struct device *dev); -#endif +#endif /* _LINUX_COREISGHT_H */ diff --git a/include/linux/cpu.h b/include/linux/cpu.h index d6428aaf67e7..94a578a96202 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -108,9 +108,13 @@ static inline void cpu_maps_update_done(void) { } +static inline int add_cpu(unsigned int cpu) { return 0;} + #endif /* CONFIG_SMP */ extern struct bus_type cpu_subsys; +extern int lockdep_is_cpus_held(void); + #ifdef CONFIG_HOTPLUG_CPU extern void cpus_write_lock(void); extern void cpus_write_unlock(void); @@ -135,6 +139,7 @@ static inline int cpus_read_trylock(void) { return true; } static inline void lockdep_assert_cpus_held(void) { } static inline void cpu_hotplug_disable(void) { } static inline void cpu_hotplug_enable(void) { } +static inline int remove_cpu(unsigned int cpu) { return -EPERM; } static inline void smp_shutdown_nonboot_cpus(unsigned int primary_cpu) { } #endif /* !CONFIG_HOTPLUG_CPU */ diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 9c8b7437b6cd..353969c7acd3 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -387,14 +387,22 @@ struct cpufreq_driver { /* flags */ -/* driver isn't removed even if all ->init() calls failed */ -#define CPUFREQ_STICKY BIT(0) +/* + * Set by drivers that need to update internale upper and lower boundaries along + * with the target frequency and so the core and governors should also invoke + * the diver if the target frequency does not change, but the policy min or max + * may have changed. + */ +#define CPUFREQ_NEED_UPDATE_LIMITS BIT(0) /* loops_per_jiffy or other kernel "constants" aren't affected by frequency transitions */ #define CPUFREQ_CONST_LOOPS BIT(1) -/* don't warn on suspend/resume speed mismatches */ -#define CPUFREQ_PM_NO_WARN BIT(2) +/* + * Set by drivers that want the core to automatically register the cpufreq + * driver as a thermal cooling device. + */ +#define CPUFREQ_IS_COOLING_DEV BIT(2) /* * This should be set by platforms having multiple clock-domains, i.e. @@ -426,20 +434,6 @@ struct cpufreq_driver { */ #define CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING BIT(6) -/* - * Set by drivers that want the core to automatically register the cpufreq - * driver as a thermal cooling device. - */ -#define CPUFREQ_IS_COOLING_DEV BIT(7) - -/* - * Set by drivers that need to update internale upper and lower boundaries along - * with the target frequency and so the core and governors should also invoke - * the diver if the target frequency does not change, but the policy min or max - * may have changed. - */ -#define CPUFREQ_NEED_UPDATE_LIMITS BIT(8) - int cpufreq_register_driver(struct cpufreq_driver *driver_data); int cpufreq_unregister_driver(struct cpufreq_driver *driver_data); diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 0042ef362511..f14adb882338 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -168,6 +168,7 @@ enum cpuhp_state { CPUHP_AP_PERF_X86_CQM_ONLINE, CPUHP_AP_PERF_X86_CSTATE_ONLINE, CPUHP_AP_PERF_S390_CF_ONLINE, + CPUHP_AP_PERF_S390_CFD_ONLINE, CPUHP_AP_PERF_S390_SF_ONLINE, CPUHP_AP_PERF_ARM_CCI_ONLINE, CPUHP_AP_PERF_ARM_CCN_ONLINE, @@ -185,6 +186,7 @@ enum cpuhp_state { CPUHP_AP_PERF_POWERPC_TRACE_IMC_ONLINE, CPUHP_AP_PERF_POWERPC_HV_24x7_ONLINE, CPUHP_AP_PERF_POWERPC_HV_GPCI_ONLINE, + CPUHP_AP_PERF_CSKY_ONLINE, CPUHP_AP_WATCHDOG_ONLINE, CPUHP_AP_WORKQUEUE_ONLINE, CPUHP_AP_RCUTREE_ONLINE, @@ -193,6 +195,7 @@ enum cpuhp_state { CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30, CPUHP_AP_X86_HPET_ONLINE, CPUHP_AP_X86_KVM_CLK_ONLINE, + CPUHP_AP_DTPM_CPU_ONLINE, CPUHP_AP_ACTIVE, CPUHP_ONLINE, }; diff --git a/include/linux/cred.h b/include/linux/cred.h index 18639c069263..4c6350503697 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -25,7 +25,7 @@ struct inode; struct group_info { atomic_t usage; int ngroups; - kgid_t gid[0]; + kgid_t gid[]; } __randomize_layout; /** diff --git a/include/linux/crypto.h b/include/linux/crypto.h index ef90e07c9635..da5e0d74bb2f 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -151,9 +151,12 @@ * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual * declaration) is used to ensure that the crypto_tfm context structure is * aligned correctly for the given architecture so that there are no alignment - * faults for C data types. In particular, this is required on platforms such - * as arm where pointers are 32-bit aligned but there are data types such as - * u64 which require 64-bit alignment. + * faults for C data types. On architectures that support non-cache coherent + * DMA, such as ARM or arm64, it also takes into account the minimal alignment + * that is required to ensure that the context struct member does not share any + * cachelines with the rest of the struct. This is needed to ensure that cache + * maintenance for non-coherent DMA (cache invalidation in particular) does not + * affect data that may be accessed by the CPU concurrently. */ #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN @@ -636,10 +639,6 @@ struct crypto_tfm { void *__crt_ctx[] CRYPTO_MINALIGN_ATTR; }; -struct crypto_cipher { - struct crypto_tfm base; -}; - struct crypto_comp { struct crypto_tfm base; }; @@ -743,165 +742,6 @@ static inline unsigned int crypto_tfm_ctx_alignment(void) return __alignof__(tfm->__crt_ctx); } -/** - * DOC: Single Block Cipher API - * - * The single block cipher API is used with the ciphers of type - * CRYPTO_ALG_TYPE_CIPHER (listed as type "cipher" in /proc/crypto). - * - * Using the single block cipher API calls, operations with the basic cipher - * primitive can be implemented. These cipher primitives exclude any block - * chaining operations including IV handling. - * - * The purpose of this single block cipher API is to support the implementation - * of templates or other concepts that only need to perform the cipher operation - * on one block at a time. Templates invoke the underlying cipher primitive - * block-wise and process either the input or the output data of these cipher - * operations. - */ - -static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm) -{ - return (struct crypto_cipher *)tfm; -} - -/** - * crypto_alloc_cipher() - allocate single block cipher handle - * @alg_name: is the cra_name / name or cra_driver_name / driver name of the - * single block cipher - * @type: specifies the type of the cipher - * @mask: specifies the mask for the cipher - * - * Allocate a cipher handle for a single block cipher. The returned struct - * crypto_cipher is the cipher handle that is required for any subsequent API - * invocation for that single block cipher. - * - * Return: allocated cipher handle in case of success; IS_ERR() is true in case - * of an error, PTR_ERR() returns the error code. - */ -static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name, - u32 type, u32 mask) -{ - type &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_CIPHER; - mask |= CRYPTO_ALG_TYPE_MASK; - - return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask)); -} - -static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm) -{ - return &tfm->base; -} - -/** - * crypto_free_cipher() - zeroize and free the single block cipher handle - * @tfm: cipher handle to be freed - */ -static inline void crypto_free_cipher(struct crypto_cipher *tfm) -{ - crypto_free_tfm(crypto_cipher_tfm(tfm)); -} - -/** - * crypto_has_cipher() - Search for the availability of a single block cipher - * @alg_name: is the cra_name / name or cra_driver_name / driver name of the - * single block cipher - * @type: specifies the type of the cipher - * @mask: specifies the mask for the cipher - * - * Return: true when the single block cipher is known to the kernel crypto API; - * false otherwise - */ -static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask) -{ - type &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_CIPHER; - mask |= CRYPTO_ALG_TYPE_MASK; - - return crypto_has_alg(alg_name, type, mask); -} - -/** - * crypto_cipher_blocksize() - obtain block size for cipher - * @tfm: cipher handle - * - * The block size for the single block cipher referenced with the cipher handle - * tfm is returned. The caller may use that information to allocate appropriate - * memory for the data returned by the encryption or decryption operation - * - * Return: block size of cipher - */ -static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm) -{ - return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm)); -} - -static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm) -{ - return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm)); -} - -static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm) -{ - return crypto_tfm_get_flags(crypto_cipher_tfm(tfm)); -} - -static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm, - u32 flags) -{ - crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags); -} - -static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm, - u32 flags) -{ - crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags); -} - -/** - * crypto_cipher_setkey() - set key for cipher - * @tfm: cipher handle - * @key: buffer holding the key - * @keylen: length of the key in bytes - * - * The caller provided key is set for the single block cipher referenced by the - * cipher handle. - * - * Note, the key length determines the cipher type. Many block ciphers implement - * different cipher modes depending on the key size, such as AES-128 vs AES-192 - * vs. AES-256. When providing a 16 byte key for an AES cipher handle, AES-128 - * is performed. - * - * Return: 0 if the setting of the key was successful; < 0 if an error occurred - */ -int crypto_cipher_setkey(struct crypto_cipher *tfm, - const u8 *key, unsigned int keylen); - -/** - * crypto_cipher_encrypt_one() - encrypt one block of plaintext - * @tfm: cipher handle - * @dst: points to the buffer that will be filled with the ciphertext - * @src: buffer holding the plaintext to be encrypted - * - * Invoke the encryption operation of one block. The caller must ensure that - * the plaintext and ciphertext buffers are at least one block in size. - */ -void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, - u8 *dst, const u8 *src); - -/** - * crypto_cipher_decrypt_one() - decrypt one block of ciphertext - * @tfm: cipher handle - * @dst: points to the buffer that will be filled with the plaintext - * @src: buffer holding the ciphertext to be decrypted - * - * Invoke the decryption operation of one block. The caller must ensure that - * the plaintext and ciphertext buffers are at least one block in size. - */ -void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, - u8 *dst, const u8 *src); - static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) { return (struct crypto_comp *)tfm; diff --git a/include/linux/dcache.h b/include/linux/dcache.h index d7b369fc15d3..c1e48014106f 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -262,6 +262,8 @@ extern void d_tmpfile(struct dentry *, struct inode *); extern struct dentry *d_find_alias(struct inode *); extern void d_prune_aliases(struct inode *); +extern struct dentry *d_find_alias_rcu(struct inode *); + /* test whether we have any submounts in a subdir tree */ extern int path_has_submounts(const struct path *); diff --git a/include/linux/dcookies.h b/include/linux/dcookies.h deleted file mode 100644 index ddfdac20cad0..000000000000 --- a/include/linux/dcookies.h +++ /dev/null @@ -1,69 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * dcookies.h - * - * Persistent cookie-path mappings - * - * Copyright 2002 John Levon <levon@movementarian.org> - */ - -#ifndef DCOOKIES_H -#define DCOOKIES_H - - -#ifdef CONFIG_PROFILING - -#include <linux/dcache.h> -#include <linux/types.h> - -struct dcookie_user; -struct path; - -/** - * dcookie_register - register a user of dcookies - * - * Register as a dcookie user. Returns %NULL on failure. - */ -struct dcookie_user * dcookie_register(void); - -/** - * dcookie_unregister - unregister a user of dcookies - * - * Unregister as a dcookie user. This may invalidate - * any dcookie values returned from get_dcookie(). - */ -void dcookie_unregister(struct dcookie_user * user); - -/** - * get_dcookie - acquire a dcookie - * - * Convert the given dentry/vfsmount pair into - * a cookie value. - * - * Returns -EINVAL if no living task has registered as a - * dcookie user. - * - * Returns 0 on success, with *cookie filled in - */ -int get_dcookie(const struct path *path, unsigned long *cookie); - -#else - -static inline struct dcookie_user * dcookie_register(void) -{ - return NULL; -} - -static inline void dcookie_unregister(struct dcookie_user * user) -{ - return; -} - -static inline int get_dcookie(const struct path *path, unsigned long *cookie) -{ - return -ENOSYS; -} - -#endif /* CONFIG_PROFILING */ - -#endif /* DCOOKIES_H */ diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index b6d3bae1c74d..26ea0850be9b 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -137,6 +137,7 @@ struct devfreq_stats { * using devfreq. * @profile: device-specific devfreq profile * @governor: method how to choose frequency based on the usage. + * @opp_table: Reference to OPP table of dev.parent, if one exists. * @nb: notifier block used to notify devfreq object that it should * reevaluate operable frequencies. Devfreq users may use * devfreq.nb to the corresponding register notifier call chain. @@ -173,6 +174,7 @@ struct devfreq { struct device dev; struct devfreq_dev_profile *profile; const struct devfreq_governor *governor; + struct opp_table *opp_table; struct notifier_block nb; struct delayed_work work; diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 61a66fb8ebb3..7f4ac87c0b32 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -93,9 +93,18 @@ typedef int (*dm_message_fn) (struct dm_target *ti, unsigned argc, char **argv, typedef int (*dm_prepare_ioctl_fn) (struct dm_target *ti, struct block_device **bdev); +#ifdef CONFIG_BLK_DEV_ZONED typedef int (*dm_report_zones_fn) (struct dm_target *ti, struct dm_report_zones_args *args, unsigned int nr_zones); +#else +/* + * Define dm_report_zones_fn so that targets can assign to NULL if + * CONFIG_BLK_DEV_ZONED disabled. Otherwise each target needs to do + * awkward #ifdefs in their target_type, etc. + */ +typedef int (*dm_report_zones_fn) (struct dm_target *dummy); +#endif /* * These iteration functions are typically used to check (and combine) @@ -187,9 +196,7 @@ struct target_type { dm_status_fn status; dm_message_fn message; dm_prepare_ioctl_fn prepare_ioctl; -#ifdef CONFIG_BLK_DEV_ZONED dm_report_zones_fn report_zones; -#endif dm_busy_fn busy; dm_iterate_devices_fn iterate_devices; dm_io_hints_fn io_hints; @@ -248,8 +255,13 @@ struct target_type { /* * Indicates that a target supports host-managed zoned block devices. */ +#ifdef CONFIG_BLK_DEV_ZONED #define DM_TARGET_ZONED_HM 0x00000040 #define dm_target_supports_zoned_hm(type) ((type)->features & DM_TARGET_ZONED_HM) +#else +#define DM_TARGET_ZONED_HM 0x00000000 +#define dm_target_supports_zoned_hm(type) (false) +#endif /* * A target handles REQ_NOWAIT @@ -257,6 +269,12 @@ struct target_type { #define DM_TARGET_NOWAIT 0x00000080 #define dm_target_supports_nowait(type) ((type)->features & DM_TARGET_NOWAIT) +/* + * A target supports passing through inline crypto support. + */ +#define DM_TARGET_PASSES_CRYPTO 0x00000100 +#define dm_target_passes_crypto(type) ((type)->features & DM_TARGET_PASSES_CRYPTO) + struct dm_target { struct dm_table *table; struct target_type *type; @@ -325,6 +343,11 @@ struct dm_target { * whether or not its underlying devices have support. */ bool discards_supported:1; + + /* + * Set if we need to limit the number of in-flight bios when swapping. + */ + bool limit_swap_bios:1; }; void *dm_per_bio_data(struct bio *bio, size_t data_size); @@ -534,6 +557,11 @@ struct dm_table *dm_swap_table(struct mapped_device *md, struct dm_table *t); /* + * Table keyslot manager functions + */ +void dm_destroy_keyslot_manager(struct blk_keyslot_manager *ksm); + +/* * A wrapper around vmalloc. */ void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size); diff --git a/include/linux/device.h b/include/linux/device.h index 1779f90eeb4c..ba660731bd25 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -291,6 +291,7 @@ struct device_dma_parameters { * sg limitations. */ unsigned int max_segment_size; + unsigned int min_align_mask; unsigned long segment_boundary_mask; }; @@ -323,6 +324,7 @@ enum device_link_state { * AUTOPROBE_CONSUMER: Probe consumer driver automatically after supplier binds. * MANAGED: The core tracks presence of supplier/consumer drivers (internal). * SYNC_STATE_ONLY: Link only affects sync_state() behavior. + * INFERRED: Inferred from data (eg: firmware) and not from driver actions. */ #define DL_FLAG_STATELESS BIT(0) #define DL_FLAG_AUTOREMOVE_CONSUMER BIT(1) @@ -332,6 +334,7 @@ enum device_link_state { #define DL_FLAG_AUTOPROBE_CONSUMER BIT(5) #define DL_FLAG_MANAGED BIT(6) #define DL_FLAG_SYNC_STATE_ONLY BIT(7) +#define DL_FLAG_INFERRED BIT(8) /** * enum dl_dev_state - Device driver presence tracking information. diff --git a/include/linux/device/driver.h b/include/linux/device/driver.h index ee7ba5b5417e..a498ebcf4993 100644 --- a/include/linux/device/driver.h +++ b/include/linux/device/driver.h @@ -75,7 +75,7 @@ enum probe_type { * @resume: Called to bring a device from sleep mode. * @groups: Default attributes that get created by the driver core * automatically. - * @dev_groups: Additional attributes attached to device instance once the + * @dev_groups: Additional attributes attached to device instance once * it is bound to the driver. * @pm: Power management operations of the device which matched * this driver. diff --git a/include/linux/dfl.h b/include/linux/dfl.h new file mode 100644 index 000000000000..6cc10982351a --- /dev/null +++ b/include/linux/dfl.h @@ -0,0 +1,86 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Header file for DFL driver and device API + * + * Copyright (C) 2020 Intel Corporation, Inc. + */ + +#ifndef __LINUX_DFL_H +#define __LINUX_DFL_H + +#include <linux/device.h> +#include <linux/mod_devicetable.h> + +/** + * enum dfl_id_type - define the DFL FIU types + */ +enum dfl_id_type { + FME_ID = 0, + PORT_ID = 1, + DFL_ID_MAX, +}; + +/** + * struct dfl_device - represent an dfl device on dfl bus + * + * @dev: generic device interface. + * @id: id of the dfl device. + * @type: type of DFL FIU of the device. See enum dfl_id_type. + * @feature_id: feature identifier local to its DFL FIU type. + * @mmio_res: mmio resource of this dfl device. + * @irqs: list of Linux IRQ numbers of this dfl device. + * @num_irqs: number of IRQs supported by this dfl device. + * @cdev: pointer to DFL FPGA container device this dfl device belongs to. + * @id_entry: matched id entry in dfl driver's id table. + */ +struct dfl_device { + struct device dev; + int id; + u16 type; + u16 feature_id; + struct resource mmio_res; + int *irqs; + unsigned int num_irqs; + struct dfl_fpga_cdev *cdev; + const struct dfl_device_id *id_entry; +}; + +/** + * struct dfl_driver - represent an dfl device driver + * + * @drv: driver model structure. + * @id_table: pointer to table of device IDs the driver is interested in. + * { } member terminated. + * @probe: mandatory callback for device binding. + * @remove: callback for device unbinding. + */ +struct dfl_driver { + struct device_driver drv; + const struct dfl_device_id *id_table; + + int (*probe)(struct dfl_device *dfl_dev); + void (*remove)(struct dfl_device *dfl_dev); +}; + +#define to_dfl_dev(d) container_of(d, struct dfl_device, dev) +#define to_dfl_drv(d) container_of(d, struct dfl_driver, drv) + +/* + * use a macro to avoid include chaining to get THIS_MODULE. + */ +#define dfl_driver_register(drv) \ + __dfl_driver_register(drv, THIS_MODULE) +int __dfl_driver_register(struct dfl_driver *dfl_drv, struct module *owner); +void dfl_driver_unregister(struct dfl_driver *dfl_drv); + +/* + * module_dfl_driver() - Helper macro for drivers that don't do + * anything special in module init/exit. This eliminates a lot of + * boilerplate. Each module may only use this macro once, and + * calling it replaces module_init() and module_exit(). + */ +#define module_dfl_driver(__dfl_driver) \ + module_driver(__dfl_driver, dfl_driver_register, \ + dfl_driver_unregister) + +#endif /* __LINUX_DFL_H */ diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index cf72699cb2bc..efdc56b9d95f 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -85,14 +85,16 @@ struct dma_buf_ops { /** * @pin: * - * This is called by dma_buf_pin and lets the exporter know that the - * DMA-buf can't be moved any more. + * This is called by dma_buf_pin() and lets the exporter know that the + * DMA-buf can't be moved any more. The exporter should pin the buffer + * into system memory to make sure it is generally accessible by other + * devices. * - * This is called with the dmabuf->resv object locked and is mutual + * This is called with the &dmabuf.resv object locked and is mutual * exclusive with @cache_sgt_mapping. * - * This callback is optional and should only be used in limited use - * cases like scanout and not for temporary pin operations. + * This is called automatically for non-dynamic importers from + * dma_buf_attach(). * * Returns: * @@ -103,7 +105,7 @@ struct dma_buf_ops { /** * @unpin: * - * This is called by dma_buf_unpin and lets the exporter know that the + * This is called by dma_buf_unpin() and lets the exporter know that the * DMA-buf can be moved again. * * This is called with the dmabuf->resv object locked and is mutual @@ -152,6 +154,12 @@ struct dma_buf_ops { * On failure, returns a negative error value wrapped into a pointer. * May also return -EINTR when a signal was received while being * blocked. + * + * Note that exporters should not try to cache the scatter list, or + * return the same one for multiple calls. Caching is done either by the + * DMA-BUF code (for non-dynamic importers) or the importer. Ownership + * of the scatter list is transferred to the caller, and returned by + * @unmap_dma_buf. */ struct sg_table * (*map_dma_buf)(struct dma_buf_attachment *, enum dma_data_direction); @@ -183,24 +191,19 @@ struct dma_buf_ops { * @begin_cpu_access: * * This is called from dma_buf_begin_cpu_access() and allows the - * exporter to ensure that the memory is actually available for cpu - * access - the exporter might need to allocate or swap-in and pin the - * backing storage. The exporter also needs to ensure that cpu access is - * coherent for the access direction. The direction can be used by the - * exporter to optimize the cache flushing, i.e. access with a different + * exporter to ensure that the memory is actually coherent for cpu + * access. The exporter also needs to ensure that cpu access is coherent + * for the access direction. The direction can be used by the exporter + * to optimize the cache flushing, i.e. access with a different * direction (read instead of write) might return stale or even bogus * data (e.g. when the exporter needs to copy the data to temporary * storage). * - * This callback is optional. + * Note that this is both called through the DMA_BUF_IOCTL_SYNC IOCTL + * command for userspace mappings established through @mmap, and also + * for kernel mappings established with @vmap. * - * FIXME: This is both called through the DMA_BUF_IOCTL_SYNC command - * from userspace (where storage shouldn't be pinned to avoid handing - * de-factor mlock rights to userspace) and for the kernel-internal - * users of the various kmap interfaces, where the backing storage must - * be pinned to guarantee that the atomic kmap calls can succeed. Since - * there's no in-kernel users of the kmap interfaces yet this isn't a - * real problem. + * This callback is optional. * * Returns: * @@ -216,9 +219,7 @@ struct dma_buf_ops { * * This is called from dma_buf_end_cpu_access() when the importer is * done accessing the CPU. The exporter can use this to flush caches and - * unpin any resources pinned in @begin_cpu_access. - * The result of any dma_buf kmap calls after end_cpu_access is - * undefined. + * undo anything else done in @begin_cpu_access. * * This callback is optional. * diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h index 09e23adb351d..9f12efaaa93a 100644 --- a/include/linux/dma-fence.h +++ b/include/linux/dma-fence.h @@ -372,6 +372,9 @@ static inline void __dma_fence_might_wait(void) {} int dma_fence_signal(struct dma_fence *fence); int dma_fence_signal_locked(struct dma_fence *fence); +int dma_fence_signal_timestamp(struct dma_fence *fence, ktime_t timestamp); +int dma_fence_signal_timestamp_locked(struct dma_fence *fence, + ktime_t timestamp); signed long dma_fence_default_wait(struct dma_fence *fence, bool intr, signed long timeout); int dma_fence_add_callback(struct dma_fence *fence, diff --git a/include/linux/dma-heap.h b/include/linux/dma-heap.h index 454e354d1ffb..5bc5c946af58 100644 --- a/include/linux/dma-heap.h +++ b/include/linux/dma-heap.h @@ -16,15 +16,15 @@ struct dma_heap; /** * struct dma_heap_ops - ops to operate on a given heap - * @allocate: allocate dmabuf and return fd + * @allocate: allocate dmabuf and return struct dma_buf ptr * - * allocate returns dmabuf fd on success, -errno on error. + * allocate returns dmabuf on success, ERR_PTR(-errno) on error. */ struct dma_heap_ops { - int (*allocate)(struct dma_heap *heap, - unsigned long len, - unsigned long fd_flags, - unsigned long heap_flags); + struct dma_buf *(*allocate)(struct dma_heap *heap, + unsigned long len, + unsigned long fd_flags, + unsigned long heap_flags); }; /** diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h index 70fcd0f610ea..51872e736e7b 100644 --- a/include/linux/dma-map-ops.h +++ b/include/linux/dma-map-ops.h @@ -22,11 +22,6 @@ struct dma_map_ops { gfp_t gfp); void (*free_pages)(struct device *dev, size_t size, struct page *vaddr, dma_addr_t dma_handle, enum dma_data_direction dir); - void *(*alloc_noncoherent)(struct device *dev, size_t size, - dma_addr_t *dma_handle, enum dma_data_direction dir, - gfp_t gfp); - void (*free_noncoherent)(struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_handle, enum dma_data_direction dir); int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, unsigned long attrs); @@ -229,11 +224,10 @@ bool dma_free_from_pool(struct device *dev, void *start, size_t size); int dma_direct_set_offset(struct device *dev, phys_addr_t cpu_start, dma_addr_t dma_start, u64 size); -#ifdef CONFIG_ARCH_HAS_DMA_COHERENCE_H -#include <asm/dma-coherence.h> -#elif defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE) || \ +#if defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE) || \ defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU) || \ defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL) +extern bool dma_default_coherent; static inline bool dev_is_dma_coherent(struct device *dev) { return dev->dma_coherent; diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 2e49996a8f39..2a984cb4d1e0 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -263,10 +263,19 @@ struct page *dma_alloc_pages(struct device *dev, size_t size, dma_addr_t *dma_handle, enum dma_data_direction dir, gfp_t gfp); void dma_free_pages(struct device *dev, size_t size, struct page *page, dma_addr_t dma_handle, enum dma_data_direction dir); -void *dma_alloc_noncoherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, enum dma_data_direction dir, gfp_t gfp); -void dma_free_noncoherent(struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_handle, enum dma_data_direction dir); + +static inline void *dma_alloc_noncoherent(struct device *dev, size_t size, + dma_addr_t *dma_handle, enum dma_data_direction dir, gfp_t gfp) +{ + struct page *page = dma_alloc_pages(dev, size, dma_handle, dir, gfp); + return page ? page_address(page) : NULL; +} + +static inline void dma_free_noncoherent(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle, enum dma_data_direction dir) +{ + dma_free_pages(dev, size, virt_to_page(vaddr), dma_handle, dir); +} static inline dma_addr_t dma_map_single_attrs(struct device *dev, void *ptr, size_t size, enum dma_data_direction dir, unsigned long attrs) @@ -500,6 +509,22 @@ static inline int dma_set_seg_boundary(struct device *dev, unsigned long mask) return -EIO; } +static inline unsigned int dma_get_min_align_mask(struct device *dev) +{ + if (dev->dma_parms) + return dev->dma_parms->min_align_mask; + return 0; +} + +static inline int dma_set_min_align_mask(struct device *dev, + unsigned int min_align_mask) +{ + if (WARN_ON_ONCE(!dev->dma_parms)) + return -EIO; + dev->dma_parms->min_align_mask = min_align_mask; + return 0; +} + static inline int dma_get_cache_alignment(void) { #ifdef ARCH_DMA_MINALIGN diff --git a/include/linux/dma/k3-psil.h b/include/linux/dma/k3-psil.h index 36e22c5a0f29..5f106d852f1c 100644 --- a/include/linux/dma/k3-psil.h +++ b/include/linux/dma/k3-psil.h @@ -42,14 +42,14 @@ enum psil_endpoint_type { /** * struct psil_endpoint_config - PSI-L Endpoint configuration * @ep_type: PSI-L endpoint type + * @channel_tpl: Desired throughput level for the channel * @pkt_mode: If set, the channel must be in Packet mode, otherwise in * TR mode * @notdpkt: TDCM must be suppressed on the TX channel * @needs_epib: Endpoint needs EPIB - * @psd_size: If set, PSdata is used by the endpoint - * @channel_tpl: Desired throughput level for the channel * @pdma_acc32: ACC32 must be enabled on the PDMA side * @pdma_burst: BURST must be enabled on the PDMA side + * @psd_size: If set, PSdata is used by the endpoint * @mapped_channel_id: PKTDMA thread to channel mapping for mapped channels. * The thread must be serviced by the specified channel if * mapped_channel_id is >= 0 in case of PKTDMA @@ -62,23 +62,22 @@ enum psil_endpoint_type { */ struct psil_endpoint_config { enum psil_endpoint_type ep_type; + enum udma_tp_level channel_tpl; unsigned pkt_mode:1; unsigned notdpkt:1; unsigned needs_epib:1; - u32 psd_size; - enum udma_tp_level channel_tpl; - /* PDMA properties, valid for PSIL_EP_PDMA_* */ unsigned pdma_acc32:1; unsigned pdma_burst:1; + u32 psd_size; /* PKDMA mapped channel */ - int mapped_channel_id; + s16 mapped_channel_id; /* PKTDMA tflow and rflow ranges for mapped channel */ u16 flow_start; u16 flow_num; - u16 default_flow_id; + s16 default_flow_id; }; int psil_set_new_ep_config(struct device *dev, const char *name, diff --git a/include/linux/dma/mmp-pdma.h b/include/linux/dma/mmp-pdma.h deleted file mode 100644 index 25cab62a28c4..000000000000 --- a/include/linux/dma/mmp-pdma.h +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _MMP_PDMA_H_ -#define _MMP_PDMA_H_ - -struct dma_chan; - -#ifdef CONFIG_MMP_PDMA -bool mmp_pdma_filter_fn(struct dma_chan *chan, void *param); -#else -static inline bool mmp_pdma_filter_fn(struct dma_chan *chan, void *param) -{ - return false; -} -#endif - -#endif /* _MMP_PDMA_H_ */ diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 68130f5f599e..004736b6a9c8 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -745,6 +745,8 @@ enum dmaengine_alignment { DMAENGINE_ALIGN_16_BYTES = 4, DMAENGINE_ALIGN_32_BYTES = 5, DMAENGINE_ALIGN_64_BYTES = 6, + DMAENGINE_ALIGN_128_BYTES = 7, + DMAENGINE_ALIGN_256_BYTES = 8, }; /** diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 65565820328a..e04436a7ff27 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -138,6 +138,7 @@ extern void intel_iommu_shutdown(void); extern int dmar_parse_one_rmrr(struct acpi_dmar_header *header, void *arg); extern int dmar_parse_one_atsr(struct acpi_dmar_header *header, void *arg); extern int dmar_check_one_atsr(struct acpi_dmar_header *hdr, void *arg); +extern int dmar_parse_one_satc(struct acpi_dmar_header *hdr, void *arg); extern int dmar_release_one_atsr(struct acpi_dmar_header *hdr, void *arg); extern int dmar_iommu_hotplug(struct dmar_drhd_unit *dmaru, bool insert); extern int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info); @@ -149,6 +150,7 @@ static inline void intel_iommu_shutdown(void) { } #define dmar_parse_one_atsr dmar_res_noop #define dmar_check_one_atsr dmar_res_noop #define dmar_release_one_atsr dmar_res_noop +#define dmar_parse_one_satc dmar_res_noop static inline int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info) { diff --git a/include/linux/dsa/8021q.h b/include/linux/dsa/8021q.h index 88cd72dfa4e0..b12b05f1c8b4 100644 --- a/include/linux/dsa/8021q.h +++ b/include/linux/dsa/8021q.h @@ -64,6 +64,10 @@ int dsa_8021q_rx_source_port(u16 vid); u16 dsa_8021q_rx_subvlan(u16 vid); +bool vid_is_dsa_8021q_rxvlan(u16 vid); + +bool vid_is_dsa_8021q_txvlan(u16 vid); + bool vid_is_dsa_8021q(u16 vid); #else @@ -123,6 +127,16 @@ u16 dsa_8021q_rx_subvlan(u16 vid) return 0; } +bool vid_is_dsa_8021q_rxvlan(u16 vid) +{ + return false; +} + +bool vid_is_dsa_8021q_txvlan(u16 vid) +{ + return false; +} + bool vid_is_dsa_8021q(u16 vid) { return false; diff --git a/include/linux/dsa/brcm.h b/include/linux/dsa/brcm.h new file mode 100644 index 000000000000..47545a948784 --- /dev/null +++ b/include/linux/dsa/brcm.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0-only + * Copyright (C) 2014 Broadcom Corporation + */ + +/* Included by drivers/net/ethernet/broadcom/bcmsysport.c and + * net/dsa/tag_brcm.c + */ +#ifndef _NET_DSA_BRCM_H +#define _NET_DSA_BRCM_H + +/* Broadcom tag specific helpers to insert and extract queue/port number */ +#define BRCM_TAG_SET_PORT_QUEUE(p, q) ((p) << 8 | q) +#define BRCM_TAG_GET_PORT(v) ((v) >> 8) +#define BRCM_TAG_GET_QUEUE(v) ((v) & 0xff) + +#endif diff --git a/include/linux/dsa/ocelot.h b/include/linux/dsa/ocelot.h new file mode 100644 index 000000000000..4265f328681a --- /dev/null +++ b/include/linux/dsa/ocelot.h @@ -0,0 +1,223 @@ +/* SPDX-License-Identifier: GPL-2.0 + * Copyright 2019-2021 NXP Semiconductors + */ + +#ifndef _NET_DSA_TAG_OCELOT_H +#define _NET_DSA_TAG_OCELOT_H + +#include <linux/packing.h> + +#define OCELOT_TAG_LEN 16 +#define OCELOT_SHORT_PREFIX_LEN 4 +#define OCELOT_LONG_PREFIX_LEN 16 +#define OCELOT_TOTAL_TAG_LEN (OCELOT_SHORT_PREFIX_LEN + OCELOT_TAG_LEN) + +/* The CPU injection header and the CPU extraction header can have 3 types of + * prefixes: long, short and no prefix. The format of the header itself is the + * same in all 3 cases. + * + * Extraction with long prefix: + * + * +-------------------+-------------------+------+------+------------+-------+ + * | ff:ff:ff:ff:ff:ff | fe:ff:ff:ff:ff:ff | 8880 | 000a | extraction | frame | + * | | | | | header | | + * +-------------------+-------------------+------+------+------------+-------+ + * 48 bits 48 bits 16 bits 16 bits 128 bits + * + * Extraction with short prefix: + * + * +------+------+------------+-------+ + * | 8880 | 000a | extraction | frame | + * | | | header | | + * +------+------+------------+-------+ + * 16 bits 16 bits 128 bits + * + * Extraction with no prefix: + * + * +------------+-------+ + * | extraction | frame | + * | header | | + * +------------+-------+ + * 128 bits + * + * + * Injection with long prefix: + * + * +-------------------+-------------------+------+------+------------+-------+ + * | any dmac | any smac | 8880 | 000a | injection | frame | + * | | | | | header | | + * +-------------------+-------------------+------+------+------------+-------+ + * 48 bits 48 bits 16 bits 16 bits 128 bits + * + * Injection with short prefix: + * + * +------+------+------------+-------+ + * | 8880 | 000a | injection | frame | + * | | | header | | + * +------+------+------------+-------+ + * 16 bits 16 bits 128 bits + * + * Injection with no prefix: + * + * +------------+-------+ + * | injection | frame | + * | header | | + * +------------+-------+ + * 128 bits + * + * The injection header looks like this (network byte order, bit 127 + * is part of lowest address byte in memory, bit 0 is part of highest + * address byte): + * + * +------+------+------+------+------+------+------+------+ + * 127:120 |BYPASS| MASQ | MASQ_PORT |REW_OP|REW_OP| + * +------+------+------+------+------+------+------+------+ + * 119:112 | REW_OP | + * +------+------+------+------+------+------+------+------+ + * 111:104 | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 103: 96 | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 95: 88 | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 87: 80 | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 79: 72 | RSV | + * +------+------+------+------+------+------+------+------+ + * 71: 64 | RSV | DEST | + * +------+------+------+------+------+------+------+------+ + * 63: 56 | DEST | + * +------+------+------+------+------+------+------+------+ + * 55: 48 | RSV | + * +------+------+------+------+------+------+------+------+ + * 47: 40 | RSV | SRC_PORT | RSV |TFRM_TIMER| + * +------+------+------+------+------+------+------+------+ + * 39: 32 | TFRM_TIMER | RSV | + * +------+------+------+------+------+------+------+------+ + * 31: 24 | RSV | DP | POP_CNT | CPUQ | + * +------+------+------+------+------+------+------+------+ + * 23: 16 | CPUQ | QOS_CLASS |TAG_TYPE| + * +------+------+------+------+------+------+------+------+ + * 15: 8 | PCP | DEI | VID | + * +------+------+------+------+------+------+------+------+ + * 7: 0 | VID | + * +------+------+------+------+------+------+------+------+ + * + * And the extraction header looks like this: + * + * +------+------+------+------+------+------+------+------+ + * 127:120 | RSV | REW_OP | + * +------+------+------+------+------+------+------+------+ + * 119:112 | REW_OP | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 111:104 | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 103: 96 | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 95: 88 | REW_VAL | + * +------+------+------+------+------+------+------+------+ + * 87: 80 | REW_VAL | LLEN | + * +------+------+------+------+------+------+------+------+ + * 79: 72 | LLEN | WLEN | + * +------+------+------+------+------+------+------+------+ + * 71: 64 | WLEN | RSV | + * +------+------+------+------+------+------+------+------+ + * 63: 56 | RSV | + * +------+------+------+------+------+------+------+------+ + * 55: 48 | RSV | + * +------+------+------+------+------+------+------+------+ + * 47: 40 | RSV | SRC_PORT | ACL_ID | + * +------+------+------+------+------+------+------+------+ + * 39: 32 | ACL_ID | RSV | SFLOW_ID | + * +------+------+------+------+------+------+------+------+ + * 31: 24 |ACL_HIT| DP | LRN_FLAGS | CPUQ | + * +------+------+------+------+------+------+------+------+ + * 23: 16 | CPUQ | QOS_CLASS |TAG_TYPE| + * +------+------+------+------+------+------+------+------+ + * 15: 8 | PCP | DEI | VID | + * +------+------+------+------+------+------+------+------+ + * 7: 0 | VID | + * +------+------+------+------+------+------+------+------+ + */ + +static inline void ocelot_xfh_get_rew_val(void *extraction, u64 *rew_val) +{ + packing(extraction, rew_val, 116, 85, OCELOT_TAG_LEN, UNPACK, 0); +} + +static inline void ocelot_xfh_get_len(void *extraction, u64 *len) +{ + u64 llen, wlen; + + packing(extraction, &llen, 84, 79, OCELOT_TAG_LEN, UNPACK, 0); + packing(extraction, &wlen, 78, 71, OCELOT_TAG_LEN, UNPACK, 0); + + *len = 60 * wlen + llen - 80; +} + +static inline void ocelot_xfh_get_src_port(void *extraction, u64 *src_port) +{ + packing(extraction, src_port, 46, 43, OCELOT_TAG_LEN, UNPACK, 0); +} + +static inline void ocelot_xfh_get_cpuq(void *extraction, u64 *cpuq) +{ + packing(extraction, cpuq, 28, 20, OCELOT_TAG_LEN, UNPACK, 0); +} + +static inline void ocelot_xfh_get_qos_class(void *extraction, u64 *qos_class) +{ + packing(extraction, qos_class, 19, 17, OCELOT_TAG_LEN, UNPACK, 0); +} + +static inline void ocelot_xfh_get_tag_type(void *extraction, u64 *tag_type) +{ + packing(extraction, tag_type, 16, 16, OCELOT_TAG_LEN, UNPACK, 0); +} + +static inline void ocelot_xfh_get_vlan_tci(void *extraction, u64 *vlan_tci) +{ + packing(extraction, vlan_tci, 15, 0, OCELOT_TAG_LEN, UNPACK, 0); +} + +static inline void ocelot_ifh_set_bypass(void *injection, u64 bypass) +{ + packing(injection, &bypass, 127, 127, OCELOT_TAG_LEN, PACK, 0); +} + +static inline void ocelot_ifh_set_rew_op(void *injection, u64 rew_op) +{ + packing(injection, &rew_op, 125, 117, OCELOT_TAG_LEN, PACK, 0); +} + +static inline void ocelot_ifh_set_dest(void *injection, u64 dest) +{ + packing(injection, &dest, 67, 56, OCELOT_TAG_LEN, PACK, 0); +} + +static inline void ocelot_ifh_set_qos_class(void *injection, u64 qos_class) +{ + packing(injection, &qos_class, 19, 17, OCELOT_TAG_LEN, PACK, 0); +} + +static inline void seville_ifh_set_dest(void *injection, u64 dest) +{ + packing(injection, &dest, 67, 57, OCELOT_TAG_LEN, PACK, 0); +} + +static inline void ocelot_ifh_set_src(void *injection, u64 src) +{ + packing(injection, &src, 46, 43, OCELOT_TAG_LEN, PACK, 0); +} + +static inline void ocelot_ifh_set_tag_type(void *injection, u64 tag_type) +{ + packing(injection, &tag_type, 16, 16, OCELOT_TAG_LEN, PACK, 0); +} + +static inline void ocelot_ifh_set_vid(void *injection, u64 vid) +{ + packing(injection, &vid, 11, 0, OCELOT_TAG_LEN, PACK, 0); +} + +#endif diff --git a/include/linux/dtpm.h b/include/linux/dtpm.h new file mode 100644 index 000000000000..e80a332e3d8a --- /dev/null +++ b/include/linux/dtpm.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2020 Linaro Ltd + * + * Author: Daniel Lezcano <daniel.lezcano@linaro.org> + */ +#ifndef ___DTPM_H__ +#define ___DTPM_H__ + +#include <linux/powercap.h> + +#define MAX_DTPM_DESCR 8 +#define MAX_DTPM_CONSTRAINTS 1 + +struct dtpm { + struct powercap_zone zone; + struct dtpm *parent; + struct list_head sibling; + struct list_head children; + struct dtpm_ops *ops; + unsigned long flags; + u64 power_limit; + u64 power_max; + u64 power_min; + int weight; + void *private; +}; + +struct dtpm_ops { + u64 (*set_power_uw)(struct dtpm *, u64); + u64 (*get_power_uw)(struct dtpm *); + void (*release)(struct dtpm *); +}; + +struct dtpm_descr; + +typedef int (*dtpm_init_t)(struct dtpm_descr *); + +struct dtpm_descr { + struct dtpm *parent; + const char *name; + dtpm_init_t init; +}; + +/* Init section thermal table */ +extern struct dtpm_descr *__dtpm_table[]; +extern struct dtpm_descr *__dtpm_table_end[]; + +#define DTPM_TABLE_ENTRY(name) \ + static typeof(name) *__dtpm_table_entry_##name \ + __used __section("__dtpm_table") = &name + +#define DTPM_DECLARE(name) DTPM_TABLE_ENTRY(name) + +#define for_each_dtpm_table(__dtpm) \ + for (__dtpm = __dtpm_table; \ + __dtpm < __dtpm_table_end; \ + __dtpm++) + +static inline struct dtpm *to_dtpm(struct powercap_zone *zone) +{ + return container_of(zone, struct dtpm, zone); +} + +int dtpm_update_power(struct dtpm *dtpm, u64 power_min, u64 power_max); + +int dtpm_release_zone(struct powercap_zone *pcz); + +struct dtpm *dtpm_alloc(struct dtpm_ops *ops); + +void dtpm_unregister(struct dtpm *dtpm); + +int dtpm_register(const char *name, struct dtpm *dtpm, struct dtpm *parent); + +int dtpm_register_cpu(struct dtpm *parent); + +#endif diff --git a/include/linux/eeprom_93xx46.h b/include/linux/eeprom_93xx46.h index eec7928ff8fe..99580c22f91a 100644 --- a/include/linux/eeprom_93xx46.h +++ b/include/linux/eeprom_93xx46.h @@ -16,6 +16,8 @@ struct eeprom_93xx46_platform_data { #define EEPROM_93XX46_QUIRK_SINGLE_WORD_READ (1 << 0) /* Instructions such as EWEN are (addrlen + 2) in length. */ #define EEPROM_93XX46_QUIRK_INSTRUCTION_LENGTH (1 << 1) +/* Add extra cycle after address during a read */ +#define EEPROM_93XX46_QUIRK_EXTRA_READ_CYCLE BIT(2) /* * optional hooks to control additional logic diff --git a/include/linux/efi.h b/include/linux/efi.h index 763b816ba19c..6b5d36babfcc 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -29,10 +29,10 @@ #include <asm/page.h> #define EFI_SUCCESS 0 -#define EFI_LOAD_ERROR ( 1 | (1UL << (BITS_PER_LONG-1))) +#define EFI_LOAD_ERROR ( 1 | (1UL << (BITS_PER_LONG-1))) #define EFI_INVALID_PARAMETER ( 2 | (1UL << (BITS_PER_LONG-1))) #define EFI_UNSUPPORTED ( 3 | (1UL << (BITS_PER_LONG-1))) -#define EFI_BAD_BUFFER_SIZE ( 4 | (1UL << (BITS_PER_LONG-1))) +#define EFI_BAD_BUFFER_SIZE ( 4 | (1UL << (BITS_PER_LONG-1))) #define EFI_BUFFER_TOO_SMALL ( 5 | (1UL << (BITS_PER_LONG-1))) #define EFI_NOT_READY ( 6 | (1UL << (BITS_PER_LONG-1))) #define EFI_DEVICE_ERROR ( 7 | (1UL << (BITS_PER_LONG-1))) @@ -72,8 +72,10 @@ typedef void *efi_handle_t; */ typedef guid_t efi_guid_t __aligned(__alignof__(u32)); -#define EFI_GUID(a,b,c,d0,d1,d2,d3,d4,d5,d6,d7) \ - GUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) +#define EFI_GUID(a, b, c, d...) (efi_guid_t){ { \ + (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ + (b) & 0xff, ((b) >> 8) & 0xff, \ + (c) & 0xff, ((c) >> 8) & 0xff, d } } /* * Generic EFI table header @@ -167,8 +169,6 @@ struct capsule_info { int __efi_capsule_setup_info(struct capsule_info *cap_info); -typedef int (*efi_freemem_callback_t) (u64 start, u64 end, void *arg); - /* * Types and defines for Time Services */ @@ -605,10 +605,6 @@ efi_guid_to_str(efi_guid_t *guid, char *out) } extern void efi_init (void); -extern void *efi_get_pal_addr (void); -extern void efi_map_pal_code (void); -extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg); -extern void efi_gettimeofday (struct timespec64 *ts); #ifdef CONFIG_EFI extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */ #else @@ -1110,13 +1106,6 @@ enum efi_secureboot_mode efi_get_secureboot_mode(efi_get_variable_t *get_var) return efi_secureboot_mode_enabled; } -#ifdef CONFIG_RESET_ATTACK_MITIGATION -void efi_enable_reset_attack_mitigation(void); -#else -static inline void -efi_enable_reset_attack_mitigation(void) { } -#endif - #ifdef CONFIG_EFI_EMBEDDED_FIRMWARE void efi_check_for_embedded_firmwares(void); #else @@ -1125,8 +1114,6 @@ static inline void efi_check_for_embedded_firmwares(void) { } efi_status_t efi_random_get_seed(void); -void efi_retrieve_tpm2_eventlog(void); - /* * Arch code can implement the following three template macros, avoiding * reptition for the void/non-void return cases of {__,}efi_call_virt(): diff --git a/include/linux/elevator.h b/include/linux/elevator.h index bacc40a0bdf3..1fe8e105b83b 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -172,6 +172,8 @@ extern struct request *elv_rb_find(struct rb_root *, sector_t); /* Supports zoned block devices sequential write constraint */ #define ELEVATOR_F_ZBD_SEQ_WRITE (1U << 0) +/* Supports scheduling on multiple hardware queues */ +#define ELEVATOR_F_MQ_AWARE (1U << 1) #endif /* CONFIG_BLOCK */ #endif diff --git a/include/linux/elfcore-compat.h b/include/linux/elfcore-compat.h index 10485f0c9740..e272c3d452ce 100644 --- a/include/linux/elfcore-compat.h +++ b/include/linux/elfcore-compat.h @@ -17,7 +17,7 @@ struct compat_elf_siginfo compat_int_t si_errno; }; -struct compat_elf_prstatus +struct compat_elf_prstatus_common { struct compat_elf_siginfo pr_info; short pr_cursig; @@ -31,8 +31,6 @@ struct compat_elf_prstatus struct old_timeval32 pr_stime; struct old_timeval32 pr_cutime; struct old_timeval32 pr_cstime; - compat_elf_gregset_t pr_reg; - compat_int_t pr_fpvalid; }; struct compat_elf_prpsinfo @@ -49,4 +47,15 @@ struct compat_elf_prpsinfo char pr_psargs[ELF_PRARGSZ]; }; +#ifdef CONFIG_ARCH_HAS_ELFCORE_COMPAT +#include <asm/elfcore-compat.h> +#endif + +struct compat_elf_prstatus +{ + struct compat_elf_prstatus_common common; + compat_elf_gregset_t pr_reg; + compat_int_t pr_fpvalid; +}; + #endif /* _LINUX_ELFCORE_COMPAT_H */ diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h index de51c1bef27d..2aaa15779d50 100644 --- a/include/linux/elfcore.h +++ b/include/linux/elfcore.h @@ -29,7 +29,7 @@ struct elf_siginfo * the SVR4 structure, but more Linuxy, with things that Linux does * not support and which gdb doesn't really use excluded. */ -struct elf_prstatus +struct elf_prstatus_common { struct elf_siginfo pr_info; /* Info associated with signal */ short pr_cursig; /* Current signal */ @@ -43,6 +43,11 @@ struct elf_prstatus struct __kernel_old_timeval pr_stime; /* System time */ struct __kernel_old_timeval pr_cutime; /* Cumulative user time */ struct __kernel_old_timeval pr_cstime; /* Cumulative system time */ +}; + +struct elf_prstatus +{ + struct elf_prstatus_common common; elf_gregset_t pr_reg; /* GP registers */ int pr_fpvalid; /* True if math co-processor being used. */ }; diff --git a/include/linux/entry-common.h b/include/linux/entry-common.h index a104b298019a..883acef895bc 100644 --- a/include/linux/entry-common.h +++ b/include/linux/entry-common.h @@ -2,6 +2,7 @@ #ifndef __LINUX_ENTRYCOMMON_H #define __LINUX_ENTRYCOMMON_H +#include <linux/static_call_types.h> #include <linux/tracehook.h> #include <linux/syscalls.h> #include <linux/seccomp.h> @@ -454,6 +455,9 @@ irqentry_state_t noinstr irqentry_enter(struct pt_regs *regs); * Conditional reschedule with additional sanity checks. */ void irqentry_exit_cond_resched(void); +#ifdef CONFIG_PREEMPT_DYNAMIC +DECLARE_STATIC_CALL(irqentry_exit_cond_resched, irqentry_exit_cond_resched); +#endif /** * irqentry_exit - Handle return from exception that used irqentry_enter() diff --git a/include/linux/entry-kvm.h b/include/linux/entry-kvm.h index 9b93f8584ff7..8b2b1d68b954 100644 --- a/include/linux/entry-kvm.h +++ b/include/linux/entry-kvm.h @@ -47,6 +47,20 @@ static inline int arch_xfer_to_guest_mode_handle_work(struct kvm_vcpu *vcpu, int xfer_to_guest_mode_handle_work(struct kvm_vcpu *vcpu); /** + * xfer_to_guest_mode_prepare - Perform last minute preparation work that + * need to be handled while IRQs are disabled + * upon entering to guest. + * + * Has to be invoked with interrupts disabled before the last call + * to xfer_to_guest_mode_work_pending(). + */ +static inline void xfer_to_guest_mode_prepare(void) +{ + lockdep_assert_irqs_disabled(); + rcu_nocb_flush_deferred_wakeup(); +} + +/** * __xfer_to_guest_mode_work_pending - Check if work is pending * * Returns: True if work pending, False otherwise. diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index e3da25b51ae4..ec4cd3921c67 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -128,6 +128,8 @@ struct ethtool_link_ksettings { __ETHTOOL_DECLARE_LINK_MODE_MASK(advertising); __ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising); } link_modes; + u32 lanes; + enum ethtool_link_mode_bit_indices link_mode; }; /** @@ -265,6 +267,8 @@ struct ethtool_pause_stats { /** * struct ethtool_ops - optional netdev operations + * @cap_link_lanes_supported: indicates if the driver supports lanes + * parameter. * @supported_coalesce_params: supported types of interrupt coalescing. * @get_drvinfo: Report driver/device information. Should only set the * @driver, @version, @fw_version and @bus_info fields. If not @@ -420,6 +424,7 @@ struct ethtool_pause_stats { * of the generic netdev features interface. */ struct ethtool_ops { + u32 cap_link_lanes_supported:1; u32 supported_coalesce_params; void (*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *); int (*get_regs_len)(struct net_device *); diff --git a/include/linux/eventpoll.h b/include/linux/eventpoll.h index 0350393465d4..593322c946e6 100644 --- a/include/linux/eventpoll.h +++ b/include/linux/eventpoll.h @@ -18,7 +18,7 @@ struct file; #ifdef CONFIG_EPOLL -#ifdef CONFIG_CHECKPOINT_RESTORE +#ifdef CONFIG_KCMP struct file *get_epoll_tfile_raw_ptr(struct file *file, int tfd, unsigned long toff); #endif diff --git a/include/linux/export.h b/include/linux/export.h index fceb5e855717..6271a5d9c988 100644 --- a/include/linux/export.h +++ b/include/linux/export.h @@ -157,18 +157,9 @@ struct kernel_symbol { #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") -#define EXPORT_SYMBOL_GPL_FUTURE(sym) _EXPORT_SYMBOL(sym, "_gpl_future") #define EXPORT_SYMBOL_NS(sym, ns) __EXPORT_SYMBOL(sym, "", #ns) #define EXPORT_SYMBOL_NS_GPL(sym, ns) __EXPORT_SYMBOL(sym, "_gpl", #ns) -#ifdef CONFIG_UNUSED_SYMBOLS -#define EXPORT_UNUSED_SYMBOL(sym) _EXPORT_SYMBOL(sym, "_unused") -#define EXPORT_UNUSED_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_unused_gpl") -#else -#define EXPORT_UNUSED_SYMBOL(sym) -#define EXPORT_UNUSED_SYMBOL_GPL(sym) -#endif - #endif /* !__ASSEMBLY__ */ #endif /* _LINUX_EXPORT_H */ diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h index 9f4d4bcbf251..fe848901fcc3 100644 --- a/include/linux/exportfs.h +++ b/include/linux/exportfs.h @@ -213,6 +213,7 @@ struct export_operations { bool write, u32 *device_generation); int (*commit_blocks)(struct inode *inode, struct iomap *iomaps, int nr_iomaps, struct iattr *iattr); + u64 (*fetch_iversion)(struct inode *); #define EXPORT_OP_NOWCC (0x1) /* don't collect v3 wcc data */ #define EXPORT_OP_NOSUBTREECHK (0x2) /* no subtree checking */ #define EXPORT_OP_CLOSE_BEFORE_UNLINK (0x4) /* close files before unlink */ diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index 7dc2a06cf19a..c6cc0a566ef5 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -274,6 +274,9 @@ struct f2fs_inode { __u8 i_compress_algorithm; /* compress algorithm */ __u8 i_log_cluster_size; /* log of cluster size */ __le16 i_compress_flag; /* compress flag */ + /* 0 bit: chksum flag + * [10,15] bits: compress level + */ __le32 i_extra_end[0]; /* for attribute size calculation */ } __packed; __le32 i_addr[DEF_ADDRS_PER_INODE]; /* Pointers to data blocks */ diff --git a/include/linux/fcntl.h b/include/linux/fcntl.h index 921e750843e6..766fcd973beb 100644 --- a/include/linux/fcntl.h +++ b/include/linux/fcntl.h @@ -19,7 +19,7 @@ /* List of all valid flags for the how->resolve argument: */ #define VALID_RESOLVE_FLAGS \ (RESOLVE_NO_XDEV | RESOLVE_NO_MAGICLINKS | RESOLVE_NO_SYMLINKS | \ - RESOLVE_BENEATH | RESOLVE_IN_ROOT) + RESOLVE_BENEATH | RESOLVE_IN_ROOT | RESOLVE_CACHED) /* List of all open_how "versions". */ #define OPEN_HOW_SIZE_VER0 24 /* sizeof first published struct */ diff --git a/include/linux/filter.h b/include/linux/filter.h index 29c27656165b..3b00fc906ccd 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -22,6 +22,7 @@ #include <linux/vmalloc.h> #include <linux/sockptr.h> #include <crypto/sha1.h> +#include <linux/u64_stats_sync.h> #include <net/sch_generic.h> @@ -259,15 +260,32 @@ static inline bool insn_is_zext(const struct bpf_insn *insn) .off = OFF, \ .imm = 0 }) -/* Atomic memory add, *(uint *)(dst_reg + off16) += src_reg */ -#define BPF_STX_XADD(SIZE, DST, SRC, OFF) \ +/* + * Atomic operations: + * + * BPF_ADD *(uint *) (dst_reg + off16) += src_reg + * BPF_AND *(uint *) (dst_reg + off16) &= src_reg + * BPF_OR *(uint *) (dst_reg + off16) |= src_reg + * BPF_XOR *(uint *) (dst_reg + off16) ^= src_reg + * BPF_ADD | BPF_FETCH src_reg = atomic_fetch_add(dst_reg + off16, src_reg); + * BPF_AND | BPF_FETCH src_reg = atomic_fetch_and(dst_reg + off16, src_reg); + * BPF_OR | BPF_FETCH src_reg = atomic_fetch_or(dst_reg + off16, src_reg); + * BPF_XOR | BPF_FETCH src_reg = atomic_fetch_xor(dst_reg + off16, src_reg); + * BPF_XCHG src_reg = atomic_xchg(dst_reg + off16, src_reg) + * BPF_CMPXCHG r0 = atomic_cmpxchg(dst_reg + off16, r0, src_reg) + */ + +#define BPF_ATOMIC_OP(SIZE, OP, DST, SRC, OFF) \ ((struct bpf_insn) { \ - .code = BPF_STX | BPF_SIZE(SIZE) | BPF_XADD, \ + .code = BPF_STX | BPF_SIZE(SIZE) | BPF_ATOMIC, \ .dst_reg = DST, \ .src_reg = SRC, \ .off = OFF, \ - .imm = 0 }) + .imm = OP }) + +/* Legacy alias */ +#define BPF_STX_XADD(SIZE, DST, SRC, OFF) BPF_ATOMIC_OP(SIZE, BPF_ADD, DST, SRC, OFF) /* Memory store, *(uint *) (dst_reg + off16) = imm32 */ @@ -522,6 +540,13 @@ struct bpf_binary_header { u8 image[] __aligned(BPF_IMAGE_ALIGNMENT); }; +struct bpf_prog_stats { + u64 cnt; + u64 nsecs; + u64 misses; + struct u64_stats_sync syncp; +} __aligned(2 * sizeof(u64)); + struct bpf_prog { u16 pages; /* Number of allocated pages */ u16 jited:1, /* Is our filter JIT'ed? */ @@ -540,10 +565,12 @@ struct bpf_prog { u32 len; /* Number of filter blocks */ u32 jited_len; /* Size of jited insns in bytes */ u8 tag[BPF_TAG_SIZE]; - struct bpf_prog_aux *aux; /* Auxiliary fields */ - struct sock_fprog_kern *orig_prog; /* Original BPF program */ + struct bpf_prog_stats __percpu *stats; + int __percpu *active; unsigned int (*bpf_func)(const void *ctx, const struct bpf_insn *insn); + struct bpf_prog_aux *aux; /* Auxiliary fields */ + struct sock_fprog_kern *orig_prog; /* Original BPF program */ /* Instructions for interpreter */ struct sock_filter insns[0]; struct bpf_insn insnsi[]; @@ -564,7 +591,7 @@ DECLARE_STATIC_KEY_FALSE(bpf_stats_enabled_key); struct bpf_prog_stats *__stats; \ u64 __start = sched_clock(); \ __ret = dfunc(ctx, (prog)->insnsi, (prog)->bpf_func); \ - __stats = this_cpu_ptr(prog->aux->stats); \ + __stats = this_cpu_ptr(prog->stats); \ u64_stats_update_begin(&__stats->syncp); \ __stats->cnt++; \ __stats->nsecs += sched_clock() - __start; \ @@ -886,7 +913,7 @@ void sk_filter_uncharge(struct sock *sk, struct sk_filter *fp); u64 __bpf_call_base(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5); #define __bpf_call_base_args \ ((u64 (*)(u64, u64, u64, u64, u64, const struct bpf_insn *)) \ - __bpf_call_base) + (void *)__bpf_call_base) struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog); void bpf_jit_compile(struct bpf_prog *prog); @@ -1281,6 +1308,11 @@ struct bpf_sysctl_kern { u64 tmp_reg; }; +#define BPF_SOCKOPT_KERN_BUF_SIZE 32 +struct bpf_sockopt_buf { + u8 data[BPF_SOCKOPT_KERN_BUF_SIZE]; +}; + struct bpf_sockopt_kern { struct sock *sk; u8 *optval; diff --git a/include/linux/firmware/intel/stratix10-svc-client.h b/include/linux/firmware/intel/stratix10-svc-client.h index a93d85932eb9..ebc295647581 100644 --- a/include/linux/firmware/intel/stratix10-svc-client.h +++ b/include/linux/firmware/intel/stratix10-svc-client.h @@ -6,7 +6,7 @@ #ifndef __STRATIX10_SVC_CLIENT_H #define __STRATIX10_SVC_CLIENT_H -/** +/* * Service layer driver supports client names * * fpga: for FPGA configuration @@ -15,7 +15,7 @@ #define SVC_CLIENT_FPGA "fpga" #define SVC_CLIENT_RSU "rsu" -/** +/* * Status of the sent command, in bit number * * SVC_STATUS_OK: @@ -50,7 +50,7 @@ #define SVC_STATUS_ERROR 5 #define SVC_STATUS_NO_SUPPORT 6 -/** +/* * Flag bit for COMMAND_RECONFIG * * COMMAND_RECONFIG_FLAG_PARTIAL: @@ -58,7 +58,7 @@ */ #define COMMAND_RECONFIG_FLAG_PARTIAL 1 -/** +/* * Timeout settings for service clients: * timeout value used in Stratix10 FPGA manager driver. * timeout value used in RSU driver @@ -218,7 +218,7 @@ void stratix10_svc_free_memory(struct stratix10_svc_chan *chan, void *kaddr); int stratix10_svc_send(struct stratix10_svc_chan *chan, void *msg); /** - * intel_svc_done() - complete service request + * stratix10_svc_done() - complete service request * @chan: service channel assigned to the client * * This function is used by service client to inform service layer that diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 2a0da841c942..71177b17eee5 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -64,28 +64,27 @@ enum pm_api_id { PM_GET_API_VERSION = 1, PM_SYSTEM_SHUTDOWN = 12, PM_REQUEST_NODE = 13, - PM_RELEASE_NODE, - PM_SET_REQUIREMENT, + PM_RELEASE_NODE = 14, + PM_SET_REQUIREMENT = 15, PM_RESET_ASSERT = 17, - PM_RESET_GET_STATUS, + PM_RESET_GET_STATUS = 18, PM_PM_INIT_FINALIZE = 21, - PM_FPGA_LOAD, - PM_FPGA_GET_STATUS, + PM_FPGA_LOAD = 22, + PM_FPGA_GET_STATUS = 23, PM_GET_CHIPID = 24, PM_IOCTL = 34, - PM_QUERY_DATA, - PM_CLOCK_ENABLE, - PM_CLOCK_DISABLE, - PM_CLOCK_GETSTATE, - PM_CLOCK_SETDIVIDER, - PM_CLOCK_GETDIVIDER, - PM_CLOCK_SETRATE, - PM_CLOCK_GETRATE, - PM_CLOCK_SETPARENT, - PM_CLOCK_GETPARENT, + PM_QUERY_DATA = 35, + PM_CLOCK_ENABLE = 36, + PM_CLOCK_DISABLE = 37, + PM_CLOCK_GETSTATE = 38, + PM_CLOCK_SETDIVIDER = 39, + PM_CLOCK_GETDIVIDER = 40, + PM_CLOCK_SETRATE = 41, + PM_CLOCK_GETRATE = 42, + PM_CLOCK_SETPARENT = 43, + PM_CLOCK_GETPARENT = 44, PM_SECURE_AES = 47, PM_FEATURE_CHECK = 63, - PM_API_MAX, }; /* PMU-FW return status codes */ @@ -93,21 +92,21 @@ enum pm_ret_status { XST_PM_SUCCESS = 0, XST_PM_NO_FEATURE = 19, XST_PM_INTERNAL = 2000, - XST_PM_CONFLICT, - XST_PM_NO_ACCESS, - XST_PM_INVALID_NODE, - XST_PM_DOUBLE_REQ, - XST_PM_ABORT_SUSPEND, + XST_PM_CONFLICT = 2001, + XST_PM_NO_ACCESS = 2002, + XST_PM_INVALID_NODE = 2003, + XST_PM_DOUBLE_REQ = 2004, + XST_PM_ABORT_SUSPEND = 2005, XST_PM_MULT_USER = 2008, }; enum pm_ioctl_id { IOCTL_SD_DLL_RESET = 6, - IOCTL_SET_SD_TAPDELAY, - IOCTL_SET_PLL_FRAC_MODE, - IOCTL_GET_PLL_FRAC_MODE, - IOCTL_SET_PLL_FRAC_DATA, - IOCTL_GET_PLL_FRAC_DATA, + IOCTL_SET_SD_TAPDELAY = 7, + IOCTL_SET_PLL_FRAC_MODE = 8, + IOCTL_GET_PLL_FRAC_MODE = 9, + IOCTL_SET_PLL_FRAC_DATA = 10, + IOCTL_GET_PLL_FRAC_DATA = 11, IOCTL_WRITE_GGS = 12, IOCTL_READ_GGS = 13, IOCTL_WRITE_PGGS = 14, @@ -117,185 +116,185 @@ enum pm_ioctl_id { }; enum pm_query_id { - PM_QID_INVALID, - PM_QID_CLOCK_GET_NAME, - PM_QID_CLOCK_GET_TOPOLOGY, - PM_QID_CLOCK_GET_FIXEDFACTOR_PARAMS, - PM_QID_CLOCK_GET_PARENTS, - PM_QID_CLOCK_GET_ATTRIBUTES, + PM_QID_INVALID = 0, + PM_QID_CLOCK_GET_NAME = 1, + PM_QID_CLOCK_GET_TOPOLOGY = 2, + PM_QID_CLOCK_GET_FIXEDFACTOR_PARAMS = 3, + PM_QID_CLOCK_GET_PARENTS = 4, + PM_QID_CLOCK_GET_ATTRIBUTES = 5, PM_QID_CLOCK_GET_NUM_CLOCKS = 12, - PM_QID_CLOCK_GET_MAX_DIVISOR, + PM_QID_CLOCK_GET_MAX_DIVISOR = 13, }; enum zynqmp_pm_reset_action { - PM_RESET_ACTION_RELEASE, - PM_RESET_ACTION_ASSERT, - PM_RESET_ACTION_PULSE, + PM_RESET_ACTION_RELEASE = 0, + PM_RESET_ACTION_ASSERT = 1, + PM_RESET_ACTION_PULSE = 2, }; enum zynqmp_pm_reset { ZYNQMP_PM_RESET_START = 1000, ZYNQMP_PM_RESET_PCIE_CFG = ZYNQMP_PM_RESET_START, - ZYNQMP_PM_RESET_PCIE_BRIDGE, - ZYNQMP_PM_RESET_PCIE_CTRL, - ZYNQMP_PM_RESET_DP, - ZYNQMP_PM_RESET_SWDT_CRF, - ZYNQMP_PM_RESET_AFI_FM5, - ZYNQMP_PM_RESET_AFI_FM4, - ZYNQMP_PM_RESET_AFI_FM3, - ZYNQMP_PM_RESET_AFI_FM2, - ZYNQMP_PM_RESET_AFI_FM1, - ZYNQMP_PM_RESET_AFI_FM0, - ZYNQMP_PM_RESET_GDMA, - ZYNQMP_PM_RESET_GPU_PP1, - ZYNQMP_PM_RESET_GPU_PP0, - ZYNQMP_PM_RESET_GPU, - ZYNQMP_PM_RESET_GT, - ZYNQMP_PM_RESET_SATA, - ZYNQMP_PM_RESET_ACPU3_PWRON, - ZYNQMP_PM_RESET_ACPU2_PWRON, - ZYNQMP_PM_RESET_ACPU1_PWRON, - ZYNQMP_PM_RESET_ACPU0_PWRON, - ZYNQMP_PM_RESET_APU_L2, - ZYNQMP_PM_RESET_ACPU3, - ZYNQMP_PM_RESET_ACPU2, - ZYNQMP_PM_RESET_ACPU1, - ZYNQMP_PM_RESET_ACPU0, - ZYNQMP_PM_RESET_DDR, - ZYNQMP_PM_RESET_APM_FPD, - ZYNQMP_PM_RESET_SOFT, - ZYNQMP_PM_RESET_GEM0, - ZYNQMP_PM_RESET_GEM1, - ZYNQMP_PM_RESET_GEM2, - ZYNQMP_PM_RESET_GEM3, - ZYNQMP_PM_RESET_QSPI, - ZYNQMP_PM_RESET_UART0, - ZYNQMP_PM_RESET_UART1, - ZYNQMP_PM_RESET_SPI0, - ZYNQMP_PM_RESET_SPI1, - ZYNQMP_PM_RESET_SDIO0, - ZYNQMP_PM_RESET_SDIO1, - ZYNQMP_PM_RESET_CAN0, - ZYNQMP_PM_RESET_CAN1, - ZYNQMP_PM_RESET_I2C0, - ZYNQMP_PM_RESET_I2C1, - ZYNQMP_PM_RESET_TTC0, - ZYNQMP_PM_RESET_TTC1, - ZYNQMP_PM_RESET_TTC2, - ZYNQMP_PM_RESET_TTC3, - ZYNQMP_PM_RESET_SWDT_CRL, - ZYNQMP_PM_RESET_NAND, - ZYNQMP_PM_RESET_ADMA, - ZYNQMP_PM_RESET_GPIO, - ZYNQMP_PM_RESET_IOU_CC, - ZYNQMP_PM_RESET_TIMESTAMP, - ZYNQMP_PM_RESET_RPU_R50, - ZYNQMP_PM_RESET_RPU_R51, - ZYNQMP_PM_RESET_RPU_AMBA, - ZYNQMP_PM_RESET_OCM, - ZYNQMP_PM_RESET_RPU_PGE, - ZYNQMP_PM_RESET_USB0_CORERESET, - ZYNQMP_PM_RESET_USB1_CORERESET, - ZYNQMP_PM_RESET_USB0_HIBERRESET, - ZYNQMP_PM_RESET_USB1_HIBERRESET, - ZYNQMP_PM_RESET_USB0_APB, - ZYNQMP_PM_RESET_USB1_APB, - ZYNQMP_PM_RESET_IPI, - ZYNQMP_PM_RESET_APM_LPD, - ZYNQMP_PM_RESET_RTC, - ZYNQMP_PM_RESET_SYSMON, - ZYNQMP_PM_RESET_AFI_FM6, - ZYNQMP_PM_RESET_LPD_SWDT, - ZYNQMP_PM_RESET_FPD, - ZYNQMP_PM_RESET_RPU_DBG1, - ZYNQMP_PM_RESET_RPU_DBG0, - ZYNQMP_PM_RESET_DBG_LPD, - ZYNQMP_PM_RESET_DBG_FPD, - ZYNQMP_PM_RESET_APLL, - ZYNQMP_PM_RESET_DPLL, - ZYNQMP_PM_RESET_VPLL, - ZYNQMP_PM_RESET_IOPLL, - ZYNQMP_PM_RESET_RPLL, - ZYNQMP_PM_RESET_GPO3_PL_0, - ZYNQMP_PM_RESET_GPO3_PL_1, - ZYNQMP_PM_RESET_GPO3_PL_2, - ZYNQMP_PM_RESET_GPO3_PL_3, - ZYNQMP_PM_RESET_GPO3_PL_4, - ZYNQMP_PM_RESET_GPO3_PL_5, - ZYNQMP_PM_RESET_GPO3_PL_6, - ZYNQMP_PM_RESET_GPO3_PL_7, - ZYNQMP_PM_RESET_GPO3_PL_8, - ZYNQMP_PM_RESET_GPO3_PL_9, - ZYNQMP_PM_RESET_GPO3_PL_10, - ZYNQMP_PM_RESET_GPO3_PL_11, - ZYNQMP_PM_RESET_GPO3_PL_12, - ZYNQMP_PM_RESET_GPO3_PL_13, - ZYNQMP_PM_RESET_GPO3_PL_14, - ZYNQMP_PM_RESET_GPO3_PL_15, - ZYNQMP_PM_RESET_GPO3_PL_16, - ZYNQMP_PM_RESET_GPO3_PL_17, - ZYNQMP_PM_RESET_GPO3_PL_18, - ZYNQMP_PM_RESET_GPO3_PL_19, - ZYNQMP_PM_RESET_GPO3_PL_20, - ZYNQMP_PM_RESET_GPO3_PL_21, - ZYNQMP_PM_RESET_GPO3_PL_22, - ZYNQMP_PM_RESET_GPO3_PL_23, - ZYNQMP_PM_RESET_GPO3_PL_24, - ZYNQMP_PM_RESET_GPO3_PL_25, - ZYNQMP_PM_RESET_GPO3_PL_26, - ZYNQMP_PM_RESET_GPO3_PL_27, - ZYNQMP_PM_RESET_GPO3_PL_28, - ZYNQMP_PM_RESET_GPO3_PL_29, - ZYNQMP_PM_RESET_GPO3_PL_30, - ZYNQMP_PM_RESET_GPO3_PL_31, - ZYNQMP_PM_RESET_RPU_LS, - ZYNQMP_PM_RESET_PS_ONLY, - ZYNQMP_PM_RESET_PL, - ZYNQMP_PM_RESET_PS_PL0, - ZYNQMP_PM_RESET_PS_PL1, - ZYNQMP_PM_RESET_PS_PL2, - ZYNQMP_PM_RESET_PS_PL3, + ZYNQMP_PM_RESET_PCIE_BRIDGE = 1001, + ZYNQMP_PM_RESET_PCIE_CTRL = 1002, + ZYNQMP_PM_RESET_DP = 1003, + ZYNQMP_PM_RESET_SWDT_CRF = 1004, + ZYNQMP_PM_RESET_AFI_FM5 = 1005, + ZYNQMP_PM_RESET_AFI_FM4 = 1006, + ZYNQMP_PM_RESET_AFI_FM3 = 1007, + ZYNQMP_PM_RESET_AFI_FM2 = 1008, + ZYNQMP_PM_RESET_AFI_FM1 = 1009, + ZYNQMP_PM_RESET_AFI_FM0 = 1010, + ZYNQMP_PM_RESET_GDMA = 1011, + ZYNQMP_PM_RESET_GPU_PP1 = 1012, + ZYNQMP_PM_RESET_GPU_PP0 = 1013, + ZYNQMP_PM_RESET_GPU = 1014, + ZYNQMP_PM_RESET_GT = 1015, + ZYNQMP_PM_RESET_SATA = 1016, + ZYNQMP_PM_RESET_ACPU3_PWRON = 1017, + ZYNQMP_PM_RESET_ACPU2_PWRON = 1018, + ZYNQMP_PM_RESET_ACPU1_PWRON = 1019, + ZYNQMP_PM_RESET_ACPU0_PWRON = 1020, + ZYNQMP_PM_RESET_APU_L2 = 1021, + ZYNQMP_PM_RESET_ACPU3 = 1022, + ZYNQMP_PM_RESET_ACPU2 = 1023, + ZYNQMP_PM_RESET_ACPU1 = 1024, + ZYNQMP_PM_RESET_ACPU0 = 1025, + ZYNQMP_PM_RESET_DDR = 1026, + ZYNQMP_PM_RESET_APM_FPD = 1027, + ZYNQMP_PM_RESET_SOFT = 1028, + ZYNQMP_PM_RESET_GEM0 = 1029, + ZYNQMP_PM_RESET_GEM1 = 1030, + ZYNQMP_PM_RESET_GEM2 = 1031, + ZYNQMP_PM_RESET_GEM3 = 1032, + ZYNQMP_PM_RESET_QSPI = 1033, + ZYNQMP_PM_RESET_UART0 = 1034, + ZYNQMP_PM_RESET_UART1 = 1035, + ZYNQMP_PM_RESET_SPI0 = 1036, + ZYNQMP_PM_RESET_SPI1 = 1037, + ZYNQMP_PM_RESET_SDIO0 = 1038, + ZYNQMP_PM_RESET_SDIO1 = 1039, + ZYNQMP_PM_RESET_CAN0 = 1040, + ZYNQMP_PM_RESET_CAN1 = 1041, + ZYNQMP_PM_RESET_I2C0 = 1042, + ZYNQMP_PM_RESET_I2C1 = 1043, + ZYNQMP_PM_RESET_TTC0 = 1044, + ZYNQMP_PM_RESET_TTC1 = 1045, + ZYNQMP_PM_RESET_TTC2 = 1046, + ZYNQMP_PM_RESET_TTC3 = 1047, + ZYNQMP_PM_RESET_SWDT_CRL = 1048, + ZYNQMP_PM_RESET_NAND = 1049, + ZYNQMP_PM_RESET_ADMA = 1050, + ZYNQMP_PM_RESET_GPIO = 1051, + ZYNQMP_PM_RESET_IOU_CC = 1052, + ZYNQMP_PM_RESET_TIMESTAMP = 1053, + ZYNQMP_PM_RESET_RPU_R50 = 1054, + ZYNQMP_PM_RESET_RPU_R51 = 1055, + ZYNQMP_PM_RESET_RPU_AMBA = 1056, + ZYNQMP_PM_RESET_OCM = 1057, + ZYNQMP_PM_RESET_RPU_PGE = 1058, + ZYNQMP_PM_RESET_USB0_CORERESET = 1059, + ZYNQMP_PM_RESET_USB1_CORERESET = 1060, + ZYNQMP_PM_RESET_USB0_HIBERRESET = 1061, + ZYNQMP_PM_RESET_USB1_HIBERRESET = 1062, + ZYNQMP_PM_RESET_USB0_APB = 1063, + ZYNQMP_PM_RESET_USB1_APB = 1064, + ZYNQMP_PM_RESET_IPI = 1065, + ZYNQMP_PM_RESET_APM_LPD = 1066, + ZYNQMP_PM_RESET_RTC = 1067, + ZYNQMP_PM_RESET_SYSMON = 1068, + ZYNQMP_PM_RESET_AFI_FM6 = 1069, + ZYNQMP_PM_RESET_LPD_SWDT = 1070, + ZYNQMP_PM_RESET_FPD = 1071, + ZYNQMP_PM_RESET_RPU_DBG1 = 1072, + ZYNQMP_PM_RESET_RPU_DBG0 = 1073, + ZYNQMP_PM_RESET_DBG_LPD = 1074, + ZYNQMP_PM_RESET_DBG_FPD = 1075, + ZYNQMP_PM_RESET_APLL = 1076, + ZYNQMP_PM_RESET_DPLL = 1077, + ZYNQMP_PM_RESET_VPLL = 1078, + ZYNQMP_PM_RESET_IOPLL = 1079, + ZYNQMP_PM_RESET_RPLL = 1080, + ZYNQMP_PM_RESET_GPO3_PL_0 = 1081, + ZYNQMP_PM_RESET_GPO3_PL_1 = 1082, + ZYNQMP_PM_RESET_GPO3_PL_2 = 1083, + ZYNQMP_PM_RESET_GPO3_PL_3 = 1084, + ZYNQMP_PM_RESET_GPO3_PL_4 = 1085, + ZYNQMP_PM_RESET_GPO3_PL_5 = 1086, + ZYNQMP_PM_RESET_GPO3_PL_6 = 1087, + ZYNQMP_PM_RESET_GPO3_PL_7 = 1088, + ZYNQMP_PM_RESET_GPO3_PL_8 = 1089, + ZYNQMP_PM_RESET_GPO3_PL_9 = 1090, + ZYNQMP_PM_RESET_GPO3_PL_10 = 1091, + ZYNQMP_PM_RESET_GPO3_PL_11 = 1092, + ZYNQMP_PM_RESET_GPO3_PL_12 = 1093, + ZYNQMP_PM_RESET_GPO3_PL_13 = 1094, + ZYNQMP_PM_RESET_GPO3_PL_14 = 1095, + ZYNQMP_PM_RESET_GPO3_PL_15 = 1096, + ZYNQMP_PM_RESET_GPO3_PL_16 = 1097, + ZYNQMP_PM_RESET_GPO3_PL_17 = 1098, + ZYNQMP_PM_RESET_GPO3_PL_18 = 1099, + ZYNQMP_PM_RESET_GPO3_PL_19 = 1100, + ZYNQMP_PM_RESET_GPO3_PL_20 = 1101, + ZYNQMP_PM_RESET_GPO3_PL_21 = 1102, + ZYNQMP_PM_RESET_GPO3_PL_22 = 1103, + ZYNQMP_PM_RESET_GPO3_PL_23 = 1104, + ZYNQMP_PM_RESET_GPO3_PL_24 = 1105, + ZYNQMP_PM_RESET_GPO3_PL_25 = 1106, + ZYNQMP_PM_RESET_GPO3_PL_26 = 1107, + ZYNQMP_PM_RESET_GPO3_PL_27 = 1108, + ZYNQMP_PM_RESET_GPO3_PL_28 = 1109, + ZYNQMP_PM_RESET_GPO3_PL_29 = 1110, + ZYNQMP_PM_RESET_GPO3_PL_30 = 1111, + ZYNQMP_PM_RESET_GPO3_PL_31 = 1112, + ZYNQMP_PM_RESET_RPU_LS = 1113, + ZYNQMP_PM_RESET_PS_ONLY = 1114, + ZYNQMP_PM_RESET_PL = 1115, + ZYNQMP_PM_RESET_PS_PL0 = 1116, + ZYNQMP_PM_RESET_PS_PL1 = 1117, + ZYNQMP_PM_RESET_PS_PL2 = 1118, + ZYNQMP_PM_RESET_PS_PL3 = 1119, ZYNQMP_PM_RESET_END = ZYNQMP_PM_RESET_PS_PL3 }; enum zynqmp_pm_suspend_reason { SUSPEND_POWER_REQUEST = 201, - SUSPEND_ALERT, - SUSPEND_SYSTEM_SHUTDOWN, + SUSPEND_ALERT = 202, + SUSPEND_SYSTEM_SHUTDOWN = 203, }; enum zynqmp_pm_request_ack { ZYNQMP_PM_REQUEST_ACK_NO = 1, - ZYNQMP_PM_REQUEST_ACK_BLOCKING, - ZYNQMP_PM_REQUEST_ACK_NON_BLOCKING, + ZYNQMP_PM_REQUEST_ACK_BLOCKING = 2, + ZYNQMP_PM_REQUEST_ACK_NON_BLOCKING = 3, }; enum pm_node_id { NODE_SD_0 = 39, - NODE_SD_1, + NODE_SD_1 = 40, }; enum tap_delay_type { PM_TAPDELAY_INPUT = 0, - PM_TAPDELAY_OUTPUT, + PM_TAPDELAY_OUTPUT = 1, }; enum dll_reset_type { - PM_DLL_RESET_ASSERT, - PM_DLL_RESET_RELEASE, - PM_DLL_RESET_PULSE, + PM_DLL_RESET_ASSERT = 0, + PM_DLL_RESET_RELEASE = 1, + PM_DLL_RESET_PULSE = 2, }; enum zynqmp_pm_shutdown_type { - ZYNQMP_PM_SHUTDOWN_TYPE_SHUTDOWN, - ZYNQMP_PM_SHUTDOWN_TYPE_RESET, - ZYNQMP_PM_SHUTDOWN_TYPE_SETSCOPE_ONLY, + ZYNQMP_PM_SHUTDOWN_TYPE_SHUTDOWN = 0, + ZYNQMP_PM_SHUTDOWN_TYPE_RESET = 1, + ZYNQMP_PM_SHUTDOWN_TYPE_SETSCOPE_ONLY = 2, }; enum zynqmp_pm_shutdown_subtype { - ZYNQMP_PM_SHUTDOWN_SUBTYPE_SUBSYSTEM, - ZYNQMP_PM_SHUTDOWN_SUBTYPE_PS_ONLY, - ZYNQMP_PM_SHUTDOWN_SUBTYPE_SYSTEM, + ZYNQMP_PM_SHUTDOWN_SUBTYPE_SUBSYSTEM = 0, + ZYNQMP_PM_SHUTDOWN_SUBTYPE_PS_ONLY = 1, + ZYNQMP_PM_SHUTDOWN_SUBTYPE_SYSTEM = 2, }; /** diff --git a/include/linux/fixp-arith.h b/include/linux/fixp-arith.h index 8396013785ef..281cb4f83dbe 100644 --- a/include/linux/fixp-arith.h +++ b/include/linux/fixp-arith.h @@ -141,4 +141,23 @@ static inline s32 fixp_sin32_rad(u32 radians, u32 twopi) #define fixp_cos32_rad(rad, twopi) \ fixp_sin32_rad(rad + twopi / 4, twopi) +/** + * fixp_linear_interpolate() - interpolates a value from two known points + * + * @x0: x value of point 0 + * @y0: y value of point 0 + * @x1: x value of point 1 + * @y1: y value of point 1 + * @x: the linear interpolant + */ +static inline int fixp_linear_interpolate(int x0, int y0, int x1, int y1, int x) +{ + if (y0 == y1 || x == x0) + return y0; + if (x1 == x0 || x == x1) + return y1; + + return y0 + ((y1 - y0) * (x - x0) / (x1 - x0)); +} + #endif diff --git a/include/linux/fortify-string.h b/include/linux/fortify-string.h new file mode 100644 index 000000000000..c1be37437e77 --- /dev/null +++ b/include/linux/fortify-string.h @@ -0,0 +1,302 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_FORTIFY_STRING_H_ +#define _LINUX_FORTIFY_STRING_H_ + + +#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS) +extern void *__underlying_memchr(const void *p, int c, __kernel_size_t size) __RENAME(memchr); +extern int __underlying_memcmp(const void *p, const void *q, __kernel_size_t size) __RENAME(memcmp); +extern void *__underlying_memcpy(void *p, const void *q, __kernel_size_t size) __RENAME(memcpy); +extern void *__underlying_memmove(void *p, const void *q, __kernel_size_t size) __RENAME(memmove); +extern void *__underlying_memset(void *p, int c, __kernel_size_t size) __RENAME(memset); +extern char *__underlying_strcat(char *p, const char *q) __RENAME(strcat); +extern char *__underlying_strcpy(char *p, const char *q) __RENAME(strcpy); +extern __kernel_size_t __underlying_strlen(const char *p) __RENAME(strlen); +extern char *__underlying_strncat(char *p, const char *q, __kernel_size_t count) __RENAME(strncat); +extern char *__underlying_strncpy(char *p, const char *q, __kernel_size_t size) __RENAME(strncpy); +#else +#define __underlying_memchr __builtin_memchr +#define __underlying_memcmp __builtin_memcmp +#define __underlying_memcpy __builtin_memcpy +#define __underlying_memmove __builtin_memmove +#define __underlying_memset __builtin_memset +#define __underlying_strcat __builtin_strcat +#define __underlying_strcpy __builtin_strcpy +#define __underlying_strlen __builtin_strlen +#define __underlying_strncat __builtin_strncat +#define __underlying_strncpy __builtin_strncpy +#endif + +__FORTIFY_INLINE char *strncpy(char *p, const char *q, __kernel_size_t size) +{ + size_t p_size = __builtin_object_size(p, 1); + + if (__builtin_constant_p(size) && p_size < size) + __write_overflow(); + if (p_size < size) + fortify_panic(__func__); + return __underlying_strncpy(p, q, size); +} + +__FORTIFY_INLINE char *strcat(char *p, const char *q) +{ + size_t p_size = __builtin_object_size(p, 1); + + if (p_size == (size_t)-1) + return __underlying_strcat(p, q); + if (strlcat(p, q, p_size) >= p_size) + fortify_panic(__func__); + return p; +} + +__FORTIFY_INLINE __kernel_size_t strlen(const char *p) +{ + __kernel_size_t ret; + size_t p_size = __builtin_object_size(p, 1); + + /* Work around gcc excess stack consumption issue */ + if (p_size == (size_t)-1 || + (__builtin_constant_p(p[p_size - 1]) && p[p_size - 1] == '\0')) + return __underlying_strlen(p); + ret = strnlen(p, p_size); + if (p_size <= ret) + fortify_panic(__func__); + return ret; +} + +extern __kernel_size_t __real_strnlen(const char *, __kernel_size_t) __RENAME(strnlen); +__FORTIFY_INLINE __kernel_size_t strnlen(const char *p, __kernel_size_t maxlen) +{ + size_t p_size = __builtin_object_size(p, 1); + __kernel_size_t ret = __real_strnlen(p, maxlen < p_size ? maxlen : p_size); + + if (p_size <= ret && maxlen != ret) + fortify_panic(__func__); + return ret; +} + +/* defined after fortified strlen to reuse it */ +extern size_t __real_strlcpy(char *, const char *, size_t) __RENAME(strlcpy); +__FORTIFY_INLINE size_t strlcpy(char *p, const char *q, size_t size) +{ + size_t ret; + size_t p_size = __builtin_object_size(p, 1); + size_t q_size = __builtin_object_size(q, 1); + + if (p_size == (size_t)-1 && q_size == (size_t)-1) + return __real_strlcpy(p, q, size); + ret = strlen(q); + if (size) { + size_t len = (ret >= size) ? size - 1 : ret; + + if (__builtin_constant_p(len) && len >= p_size) + __write_overflow(); + if (len >= p_size) + fortify_panic(__func__); + __underlying_memcpy(p, q, len); + p[len] = '\0'; + } + return ret; +} + +/* defined after fortified strnlen to reuse it */ +extern ssize_t __real_strscpy(char *, const char *, size_t) __RENAME(strscpy); +__FORTIFY_INLINE ssize_t strscpy(char *p, const char *q, size_t size) +{ + size_t len; + /* Use string size rather than possible enclosing struct size. */ + size_t p_size = __builtin_object_size(p, 1); + size_t q_size = __builtin_object_size(q, 1); + + /* If we cannot get size of p and q default to call strscpy. */ + if (p_size == (size_t) -1 && q_size == (size_t) -1) + return __real_strscpy(p, q, size); + + /* + * If size can be known at compile time and is greater than + * p_size, generate a compile time write overflow error. + */ + if (__builtin_constant_p(size) && size > p_size) + __write_overflow(); + + /* + * This call protects from read overflow, because len will default to q + * length if it smaller than size. + */ + len = strnlen(q, size); + /* + * If len equals size, we will copy only size bytes which leads to + * -E2BIG being returned. + * Otherwise we will copy len + 1 because of the final '\O'. + */ + len = len == size ? size : len + 1; + + /* + * Generate a runtime write overflow error if len is greater than + * p_size. + */ + if (len > p_size) + fortify_panic(__func__); + + /* + * We can now safely call vanilla strscpy because we are protected from: + * 1. Read overflow thanks to call to strnlen(). + * 2. Write overflow thanks to above ifs. + */ + return __real_strscpy(p, q, len); +} + +/* defined after fortified strlen and strnlen to reuse them */ +__FORTIFY_INLINE char *strncat(char *p, const char *q, __kernel_size_t count) +{ + size_t p_len, copy_len; + size_t p_size = __builtin_object_size(p, 1); + size_t q_size = __builtin_object_size(q, 1); + + if (p_size == (size_t)-1 && q_size == (size_t)-1) + return __underlying_strncat(p, q, count); + p_len = strlen(p); + copy_len = strnlen(q, count); + if (p_size < p_len + copy_len + 1) + fortify_panic(__func__); + __underlying_memcpy(p + p_len, q, copy_len); + p[p_len + copy_len] = '\0'; + return p; +} + +__FORTIFY_INLINE void *memset(void *p, int c, __kernel_size_t size) +{ + size_t p_size = __builtin_object_size(p, 0); + + if (__builtin_constant_p(size) && p_size < size) + __write_overflow(); + if (p_size < size) + fortify_panic(__func__); + return __underlying_memset(p, c, size); +} + +__FORTIFY_INLINE void *memcpy(void *p, const void *q, __kernel_size_t size) +{ + size_t p_size = __builtin_object_size(p, 0); + size_t q_size = __builtin_object_size(q, 0); + + if (__builtin_constant_p(size)) { + if (p_size < size) + __write_overflow(); + if (q_size < size) + __read_overflow2(); + } + if (p_size < size || q_size < size) + fortify_panic(__func__); + return __underlying_memcpy(p, q, size); +} + +__FORTIFY_INLINE void *memmove(void *p, const void *q, __kernel_size_t size) +{ + size_t p_size = __builtin_object_size(p, 0); + size_t q_size = __builtin_object_size(q, 0); + + if (__builtin_constant_p(size)) { + if (p_size < size) + __write_overflow(); + if (q_size < size) + __read_overflow2(); + } + if (p_size < size || q_size < size) + fortify_panic(__func__); + return __underlying_memmove(p, q, size); +} + +extern void *__real_memscan(void *, int, __kernel_size_t) __RENAME(memscan); +__FORTIFY_INLINE void *memscan(void *p, int c, __kernel_size_t size) +{ + size_t p_size = __builtin_object_size(p, 0); + + if (__builtin_constant_p(size) && p_size < size) + __read_overflow(); + if (p_size < size) + fortify_panic(__func__); + return __real_memscan(p, c, size); +} + +__FORTIFY_INLINE int memcmp(const void *p, const void *q, __kernel_size_t size) +{ + size_t p_size = __builtin_object_size(p, 0); + size_t q_size = __builtin_object_size(q, 0); + + if (__builtin_constant_p(size)) { + if (p_size < size) + __read_overflow(); + if (q_size < size) + __read_overflow2(); + } + if (p_size < size || q_size < size) + fortify_panic(__func__); + return __underlying_memcmp(p, q, size); +} + +__FORTIFY_INLINE void *memchr(const void *p, int c, __kernel_size_t size) +{ + size_t p_size = __builtin_object_size(p, 0); + + if (__builtin_constant_p(size) && p_size < size) + __read_overflow(); + if (p_size < size) + fortify_panic(__func__); + return __underlying_memchr(p, c, size); +} + +void *__real_memchr_inv(const void *s, int c, size_t n) __RENAME(memchr_inv); +__FORTIFY_INLINE void *memchr_inv(const void *p, int c, size_t size) +{ + size_t p_size = __builtin_object_size(p, 0); + + if (__builtin_constant_p(size) && p_size < size) + __read_overflow(); + if (p_size < size) + fortify_panic(__func__); + return __real_memchr_inv(p, c, size); +} + +extern void *__real_kmemdup(const void *src, size_t len, gfp_t gfp) __RENAME(kmemdup); +__FORTIFY_INLINE void *kmemdup(const void *p, size_t size, gfp_t gfp) +{ + size_t p_size = __builtin_object_size(p, 0); + + if (__builtin_constant_p(size) && p_size < size) + __read_overflow(); + if (p_size < size) + fortify_panic(__func__); + return __real_kmemdup(p, size, gfp); +} + +/* defined after fortified strlen and memcpy to reuse them */ +__FORTIFY_INLINE char *strcpy(char *p, const char *q) +{ + size_t p_size = __builtin_object_size(p, 1); + size_t q_size = __builtin_object_size(q, 1); + size_t size; + + if (p_size == (size_t)-1 && q_size == (size_t)-1) + return __underlying_strcpy(p, q); + size = strlen(q) + 1; + /* test here to use the more stringent object size */ + if (p_size < size) + fortify_panic(__func__); + memcpy(p, q, size); + return p; +} + +/* Don't use these outside the FORITFY_SOURCE implementation */ +#undef __underlying_memchr +#undef __underlying_memcmp +#undef __underlying_memcpy +#undef __underlying_memmove +#undef __underlying_memset +#undef __underlying_strcat +#undef __underlying_strcpy +#undef __underlying_strlen +#undef __underlying_strncat +#undef __underlying_strncpy + +#endif /* _LINUX_FORTIFY_STRING_H_ */ diff --git a/include/linux/fs.h b/include/linux/fs.h index fd47deea7c17..ec8f3ddf4a6a 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -39,6 +39,8 @@ #include <linux/fs_types.h> #include <linux/build_bug.h> #include <linux/stddef.h> +#include <linux/mount.h> +#include <linux/cred.h> #include <asm/byteorder.h> #include <uapi/linux/fs.h> @@ -1572,6 +1574,52 @@ static inline void i_gid_write(struct inode *inode, gid_t gid) inode->i_gid = make_kgid(inode->i_sb->s_user_ns, gid); } +static inline kuid_t kuid_into_mnt(struct user_namespace *mnt_userns, + kuid_t kuid) +{ + return make_kuid(mnt_userns, __kuid_val(kuid)); +} + +static inline kgid_t kgid_into_mnt(struct user_namespace *mnt_userns, + kgid_t kgid) +{ + return make_kgid(mnt_userns, __kgid_val(kgid)); +} + +static inline kuid_t i_uid_into_mnt(struct user_namespace *mnt_userns, + const struct inode *inode) +{ + return kuid_into_mnt(mnt_userns, inode->i_uid); +} + +static inline kgid_t i_gid_into_mnt(struct user_namespace *mnt_userns, + const struct inode *inode) +{ + return kgid_into_mnt(mnt_userns, inode->i_gid); +} + +static inline kuid_t kuid_from_mnt(struct user_namespace *mnt_userns, + kuid_t kuid) +{ + return KUIDT_INIT(from_kuid(mnt_userns, kuid)); +} + +static inline kgid_t kgid_from_mnt(struct user_namespace *mnt_userns, + kgid_t kgid) +{ + return KGIDT_INIT(from_kgid(mnt_userns, kgid)); +} + +static inline kuid_t fsuid_into_mnt(struct user_namespace *mnt_userns) +{ + return kuid_from_mnt(mnt_userns, current_fsuid()); +} + +static inline kgid_t fsgid_into_mnt(struct user_namespace *mnt_userns) +{ + return kgid_from_mnt(mnt_userns, current_fsgid()); +} + extern struct timespec64 current_time(struct inode *inode); /* @@ -1714,28 +1762,48 @@ static inline bool sb_start_intwrite_trylock(struct super_block *sb) return __sb_start_write_trylock(sb, SB_FREEZE_FS); } - -extern bool inode_owner_or_capable(const struct inode *inode); +bool inode_owner_or_capable(struct user_namespace *mnt_userns, + const struct inode *inode); /* * VFS helper functions.. */ -extern int vfs_create(struct inode *, struct dentry *, umode_t, bool); -extern int vfs_mkdir(struct inode *, struct dentry *, umode_t); -extern int vfs_mknod(struct inode *, struct dentry *, umode_t, dev_t); -extern int vfs_symlink(struct inode *, struct dentry *, const char *); -extern int vfs_link(struct dentry *, struct inode *, struct dentry *, struct inode **); -extern int vfs_rmdir(struct inode *, struct dentry *); -extern int vfs_unlink(struct inode *, struct dentry *, struct inode **); -extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *, struct inode **, unsigned int); +int vfs_create(struct user_namespace *, struct inode *, + struct dentry *, umode_t, bool); +int vfs_mkdir(struct user_namespace *, struct inode *, + struct dentry *, umode_t); +int vfs_mknod(struct user_namespace *, struct inode *, struct dentry *, + umode_t, dev_t); +int vfs_symlink(struct user_namespace *, struct inode *, + struct dentry *, const char *); +int vfs_link(struct dentry *, struct user_namespace *, struct inode *, + struct dentry *, struct inode **); +int vfs_rmdir(struct user_namespace *, struct inode *, struct dentry *); +int vfs_unlink(struct user_namespace *, struct inode *, struct dentry *, + struct inode **); + +struct renamedata { + struct user_namespace *old_mnt_userns; + struct inode *old_dir; + struct dentry *old_dentry; + struct user_namespace *new_mnt_userns; + struct inode *new_dir; + struct dentry *new_dentry; + struct inode **delegated_inode; + unsigned int flags; +} __randomize_layout; -static inline int vfs_whiteout(struct inode *dir, struct dentry *dentry) +int vfs_rename(struct renamedata *); + +static inline int vfs_whiteout(struct user_namespace *mnt_userns, + struct inode *dir, struct dentry *dentry) { - return vfs_mknod(dir, dentry, S_IFCHR | WHITEOUT_MODE, WHITEOUT_DEV); + return vfs_mknod(mnt_userns, dir, dentry, S_IFCHR | WHITEOUT_MODE, + WHITEOUT_DEV); } -extern struct dentry *vfs_tmpfile(struct dentry *dentry, umode_t mode, - int open_flag); +struct dentry *vfs_tmpfile(struct user_namespace *mnt_userns, + struct dentry *dentry, umode_t mode, int open_flag); int vfs_mkobj(struct dentry *, umode_t, int (*f)(struct dentry *, umode_t, void *), @@ -1757,8 +1825,8 @@ extern long compat_ptr_ioctl(struct file *file, unsigned int cmd, /* * VFS file helper functions. */ -extern void inode_init_owner(struct inode *inode, const struct inode *dir, - umode_t mode); +void inode_init_owner(struct user_namespace *mnt_userns, struct inode *inode, + const struct inode *dir, umode_t mode); extern bool may_open_dev(const struct path *path); /* @@ -1862,22 +1930,28 @@ struct file_operations { struct inode_operations { struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int); const char * (*get_link) (struct dentry *, struct inode *, struct delayed_call *); - int (*permission) (struct inode *, int); + int (*permission) (struct user_namespace *, struct inode *, int); struct posix_acl * (*get_acl)(struct inode *, int); int (*readlink) (struct dentry *, char __user *,int); - int (*create) (struct inode *,struct dentry *, umode_t, bool); + int (*create) (struct user_namespace *, struct inode *,struct dentry *, + umode_t, bool); int (*link) (struct dentry *,struct inode *,struct dentry *); int (*unlink) (struct inode *,struct dentry *); - int (*symlink) (struct inode *,struct dentry *,const char *); - int (*mkdir) (struct inode *,struct dentry *,umode_t); + int (*symlink) (struct user_namespace *, struct inode *,struct dentry *, + const char *); + int (*mkdir) (struct user_namespace *, struct inode *,struct dentry *, + umode_t); int (*rmdir) (struct inode *,struct dentry *); - int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t); - int (*rename) (struct inode *, struct dentry *, + int (*mknod) (struct user_namespace *, struct inode *,struct dentry *, + umode_t,dev_t); + int (*rename) (struct user_namespace *, struct inode *, struct dentry *, struct inode *, struct dentry *, unsigned int); - int (*setattr) (struct dentry *, struct iattr *); - int (*getattr) (const struct path *, struct kstat *, u32, unsigned int); + int (*setattr) (struct user_namespace *, struct dentry *, + struct iattr *); + int (*getattr) (struct user_namespace *, const struct path *, + struct kstat *, u32, unsigned int); ssize_t (*listxattr) (struct dentry *, char *, size_t); int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, u64 len); @@ -1885,8 +1959,10 @@ struct inode_operations { int (*atomic_open)(struct inode *, struct dentry *, struct file *, unsigned open_flag, umode_t create_mode); - int (*tmpfile) (struct inode *, struct dentry *, umode_t); - int (*set_acl)(struct inode *, struct posix_acl *, int); + int (*tmpfile) (struct user_namespace *, struct inode *, + struct dentry *, umode_t); + int (*set_acl)(struct user_namespace *, struct inode *, + struct posix_acl *, int); } ____cacheline_aligned; static inline ssize_t call_read_iter(struct file *file, struct kiocb *kio, @@ -2035,9 +2111,11 @@ static inline bool sb_rdonly(const struct super_block *sb) { return sb->s_flags #define IS_WHITEOUT(inode) (S_ISCHR(inode->i_mode) && \ (inode)->i_rdev == WHITEOUT_DEV) -static inline bool HAS_UNMAPPED_ID(struct inode *inode) +static inline bool HAS_UNMAPPED_ID(struct user_namespace *mnt_userns, + struct inode *inode) { - return !uid_valid(inode->i_uid) || !gid_valid(inode->i_gid); + return !uid_valid(i_uid_into_mnt(mnt_userns, inode)) || + !gid_valid(i_gid_into_mnt(mnt_userns, inode)); } static inline enum rw_hint file_write_hint(struct file *file) @@ -2084,8 +2162,8 @@ static inline void kiocb_clone(struct kiocb *kiocb, struct kiocb *kiocb_src, /* * Inode state bits. Protected by inode->i_lock * - * Three bits determine the dirty state of the inode, I_DIRTY_SYNC, - * I_DIRTY_DATASYNC and I_DIRTY_PAGES. + * Four bits determine the dirty state of the inode: I_DIRTY_SYNC, + * I_DIRTY_DATASYNC, I_DIRTY_PAGES, and I_DIRTY_TIME. * * Four bits define the lifetime of an inode. Initially, inodes are I_NEW, * until that flag is cleared. I_WILL_FREE, I_FREEING and I_CLEAR are set at @@ -2094,12 +2172,20 @@ static inline void kiocb_clone(struct kiocb *kiocb, struct kiocb *kiocb_src, * Two bits are used for locking and completion notification, I_NEW and I_SYNC. * * I_DIRTY_SYNC Inode is dirty, but doesn't have to be written on - * fdatasync(). i_atime is the usual cause. - * I_DIRTY_DATASYNC Data-related inode changes pending. We keep track of + * fdatasync() (unless I_DIRTY_DATASYNC is also set). + * Timestamp updates are the usual cause. + * I_DIRTY_DATASYNC Data-related inode changes pending. We keep track of * these changes separately from I_DIRTY_SYNC so that we * don't have to write inode on fdatasync() when only - * mtime has changed in it. + * e.g. the timestamps have changed. * I_DIRTY_PAGES Inode has dirty pages. Inode itself may be clean. + * I_DIRTY_TIME The inode itself only has dirty timestamps, and the + * lazytime mount option is enabled. We keep track of this + * separately from I_DIRTY_SYNC in order to implement + * lazytime. This gets cleared if I_DIRTY_INODE + * (I_DIRTY_SYNC and/or I_DIRTY_DATASYNC) gets set. I.e. + * either I_DIRTY_TIME *or* I_DIRTY_INODE can be set in + * i_state, but not both. I_DIRTY_PAGES may still be set. * I_NEW Serves as both a mutex and completion notification. * New inodes set I_NEW. If two processes both create * the same inode, one of them will release its inode and @@ -2186,6 +2272,21 @@ static inline void mark_inode_dirty_sync(struct inode *inode) __mark_inode_dirty(inode, I_DIRTY_SYNC); } +/* + * Returns true if the given inode itself only has dirty timestamps (its pages + * may still be dirty) and isn't currently being allocated or freed. + * Filesystems should call this if when writing an inode when lazytime is + * enabled, they want to opportunistically write the timestamps of other inodes + * located very nearby on-disk, e.g. in the same inode block. This returns true + * if the given inode is in need of such an opportunistic update. Requires + * i_lock, or at least later re-checking under i_lock. + */ +static inline bool inode_is_dirtytime_only(struct inode *inode) +{ + return (inode->i_state & (I_DIRTY_TIME | I_NEW | + I_FREEING | I_WILL_FREE)) == I_DIRTY_TIME; +} + extern void inc_nlink(struct inode *inode); extern void drop_nlink(struct inode *inode); extern void clear_nlink(struct inode *inode); @@ -2231,6 +2332,7 @@ struct file_system_type { #define FS_HAS_SUBTYPE 4 #define FS_USERNS_MOUNT 8 /* Can be mounted by userns root */ #define FS_DISALLOW_NOTIFY_PERM 16 /* Disable fanotify permission events */ +#define FS_ALLOW_IDMAP 32 /* FS has been updated to handle vfs idmappings. */ #define FS_THP_SUPPORT 8192 /* Remove once all fs converted */ #define FS_RENAME_DOES_D_MOVE 32768 /* FS will handle d_move() during rename() internally. */ int (*init_fs_context)(struct fs_context *); @@ -2517,9 +2619,13 @@ struct filename { }; static_assert(offsetof(struct filename, iname) % sizeof(long) == 0); +static inline struct user_namespace *file_mnt_user_ns(struct file *file) +{ + return mnt_user_ns(file->f_path.mnt); +} extern long vfs_truncate(const struct path *, loff_t); -extern int do_truncate(struct dentry *, loff_t start, unsigned int time_attrs, - struct file *filp); +int do_truncate(struct user_namespace *, struct dentry *, loff_t start, + unsigned int time_attrs, struct file *filp); extern int vfs_fallocate(struct file *file, int mode, loff_t offset, loff_t len); extern long do_sys_open(int dfd, const char __user *filename, int flags, @@ -2756,10 +2862,22 @@ static inline int bmap(struct inode *inode, sector_t *block) } #endif -extern int notify_change(struct dentry *, struct iattr *, struct inode **); -extern int inode_permission(struct inode *, int); -extern int generic_permission(struct inode *, int); -extern int __check_sticky(struct inode *dir, struct inode *inode); +int notify_change(struct user_namespace *, struct dentry *, + struct iattr *, struct inode **); +int inode_permission(struct user_namespace *, struct inode *, int); +int generic_permission(struct user_namespace *, struct inode *, int); +static inline int file_permission(struct file *file, int mask) +{ + return inode_permission(file_mnt_user_ns(file), + file_inode(file), mask); +} +static inline int path_permission(const struct path *path, int mask) +{ + return inode_permission(mnt_user_ns(path->mnt), + d_inode(path->dentry), mask); +} +int __check_sticky(struct user_namespace *mnt_userns, struct inode *dir, + struct inode *inode); static inline bool execute_ok(struct inode *inode) { @@ -2962,8 +3080,8 @@ extern ssize_t generic_write_checks(struct kiocb *, struct iov_iter *); extern int generic_write_check_limits(struct file *file, loff_t pos, loff_t *count); extern int generic_file_rw_checks(struct file *file_in, struct file *file_out); -extern ssize_t generic_file_buffered_read(struct kiocb *iocb, - struct iov_iter *to, ssize_t already_read); +ssize_t filemap_read(struct kiocb *iocb, struct iov_iter *to, + ssize_t already_read); extern ssize_t generic_file_read_iter(struct kiocb *, struct iov_iter *); extern ssize_t __generic_file_write_iter(struct kiocb *, struct iov_iter *); extern ssize_t generic_file_write_iter(struct kiocb *, struct iov_iter *); @@ -3090,7 +3208,7 @@ extern int __page_symlink(struct inode *inode, const char *symname, int len, extern int page_symlink(struct inode *inode, const char *symname, int len); extern const struct inode_operations page_symlink_inode_operations; extern void kfree_link(void *); -extern void generic_fillattr(struct inode *, struct kstat *); +void generic_fillattr(struct user_namespace *, struct inode *, struct kstat *); extern int vfs_getattr_nosec(const struct path *, struct kstat *, u32, unsigned int); extern int vfs_getattr(const struct path *, struct kstat *, u32, unsigned int); void __inode_add_bytes(struct inode *inode, loff_t bytes); @@ -3140,15 +3258,18 @@ extern int dcache_dir_open(struct inode *, struct file *); extern int dcache_dir_close(struct inode *, struct file *); extern loff_t dcache_dir_lseek(struct file *, loff_t, int); extern int dcache_readdir(struct file *, struct dir_context *); -extern int simple_setattr(struct dentry *, struct iattr *); -extern int simple_getattr(const struct path *, struct kstat *, u32, unsigned int); +extern int simple_setattr(struct user_namespace *, struct dentry *, + struct iattr *); +extern int simple_getattr(struct user_namespace *, const struct path *, + struct kstat *, u32, unsigned int); extern int simple_statfs(struct dentry *, struct kstatfs *); extern int simple_open(struct inode *inode, struct file *file); extern int simple_link(struct dentry *, struct inode *, struct dentry *); extern int simple_unlink(struct inode *, struct dentry *); extern int simple_rmdir(struct inode *, struct dentry *); -extern int simple_rename(struct inode *, struct dentry *, - struct inode *, struct dentry *, unsigned int); +extern int simple_rename(struct user_namespace *, struct inode *, + struct dentry *, struct inode *, struct dentry *, + unsigned int); extern void simple_recursive_removal(struct dentry *, void (*callback)(struct dentry *)); extern int noop_fsync(struct file *, loff_t, loff_t, int); @@ -3192,11 +3313,6 @@ extern int generic_file_fsync(struct file *, loff_t, loff_t, int); extern int generic_check_addressable(unsigned, u64); -#ifdef CONFIG_UNICODE -extern int generic_ci_d_hash(const struct dentry *dentry, struct qstr *str); -extern int generic_ci_d_compare(const struct dentry *dentry, unsigned int len, - const char *str, const struct qstr *name); -#endif extern void generic_set_encrypted_ci_d_ops(struct dentry *dentry); #ifdef CONFIG_MIGRATION @@ -3211,9 +3327,10 @@ extern int buffer_migrate_page_norefs(struct address_space *, #define buffer_migrate_page_norefs NULL #endif -extern int setattr_prepare(struct dentry *, struct iattr *); +int setattr_prepare(struct user_namespace *, struct dentry *, struct iattr *); extern int inode_newsize_ok(const struct inode *, loff_t offset); -extern void setattr_copy(struct inode *inode, const struct iattr *attr); +void setattr_copy(struct user_namespace *, struct inode *inode, + const struct iattr *attr); extern int file_update_time(struct file *file); @@ -3377,12 +3494,13 @@ static inline bool is_sxid(umode_t mode) return (mode & S_ISUID) || ((mode & S_ISGID) && (mode & S_IXGRP)); } -static inline int check_sticky(struct inode *dir, struct inode *inode) +static inline int check_sticky(struct user_namespace *mnt_userns, + struct inode *dir, struct inode *inode) { if (!(dir->i_mode & S_ISVTX)) return 0; - return __check_sticky(dir, inode); + return __check_sticky(mnt_userns, dir, inode); } static inline void inode_has_no_xattr(struct inode *inode) diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h index db244874e834..63b56aba925a 100644 --- a/include/linux/fsl/mc.h +++ b/include/linux/fsl/mc.h @@ -13,6 +13,7 @@ #include <linux/device.h> #include <linux/mod_devicetable.h> #include <linux/interrupt.h> +#include <uapi/linux/fsl_mc.h> #define FSL_MC_VENDOR_FREESCALE 0x1957 @@ -209,8 +210,6 @@ struct fsl_mc_device { #define to_fsl_mc_device(_dev) \ container_of(_dev, struct fsl_mc_device, dev) -#define MC_CMD_NUM_OF_PARAMS 7 - struct mc_cmd_header { u8 src_id; u8 flags_hw; @@ -220,11 +219,6 @@ struct mc_cmd_header { __le16 cmd_id; }; -struct fsl_mc_command { - __le64 header; - __le64 params[MC_CMD_NUM_OF_PARAMS]; -}; - enum mc_cmd_status { MC_CMD_STATUS_OK = 0x0, /* Completed successfully */ MC_CMD_STATUS_READY = 0x1, /* Ready to be processed */ diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index a2e42d3cd87c..e5409b83e731 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -470,6 +470,7 @@ static inline void fsnotify_update_flags(struct dentry *dentry) /* create a new group */ extern struct fsnotify_group *fsnotify_alloc_group(const struct fsnotify_ops *ops); +extern struct fsnotify_group *fsnotify_alloc_user_group(const struct fsnotify_ops *ops); /* get reference to a group */ extern void fsnotify_get_group(struct fsnotify_group *group); /* drop reference on a group from fsnotify_alloc_group */ diff --git a/include/linux/fsverity.h b/include/linux/fsverity.h index c1144a450392..b568b3c7d095 100644 --- a/include/linux/fsverity.h +++ b/include/linux/fsverity.h @@ -138,6 +138,10 @@ int fsverity_file_open(struct inode *inode, struct file *filp); int fsverity_prepare_setattr(struct dentry *dentry, struct iattr *attr); void fsverity_cleanup_inode(struct inode *inode); +/* read_metadata.c */ + +int fsverity_ioctl_read_metadata(struct file *filp, const void __user *uarg); + /* verify.c */ bool fsverity_verify_page(struct page *page); @@ -183,6 +187,14 @@ static inline void fsverity_cleanup_inode(struct inode *inode) { } +/* read_metadata.c */ + +static inline int fsverity_ioctl_read_metadata(struct file *filp, + const void __user *uarg) +{ + return -EOPNOTSUPP; +} + /* verify.c */ static inline bool fsverity_verify_page(struct page *page) diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 9a8ce28e4485..86e5028bfa20 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -485,7 +485,6 @@ struct dyn_ftrace { struct dyn_arch_ftrace arch; }; -int ftrace_force_update(void); int ftrace_set_filter_ip(struct ftrace_ops *ops, unsigned long ip, int remove, int reset); int ftrace_set_filter(struct ftrace_ops *ops, unsigned char *buf, @@ -740,7 +739,6 @@ extern void ftrace_disable_daemon(void); extern void ftrace_enable_daemon(void); #else /* CONFIG_DYNAMIC_FTRACE */ static inline int skip_trace(unsigned long ip) { return 0; } -static inline int ftrace_force_update(void) { return 0; } static inline void ftrace_disable_daemon(void) { } static inline void ftrace_enable_daemon(void) { } static inline void ftrace_module_init(struct module *mod) { } diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index fde4ad97564c..ed4e67a7ff1c 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -11,6 +11,7 @@ #include <linux/types.h> #include <linux/list.h> +#include <linux/err.h> struct fwnode_operations; struct device; @@ -18,9 +19,13 @@ struct device; /* * fwnode link flags * - * LINKS_ADDED: The fwnode has already be parsed to add fwnode links. + * LINKS_ADDED: The fwnode has already be parsed to add fwnode links. + * NOT_DEVICE: The fwnode will never be populated as a struct device. + * INITIALIZED: The hardware corresponding to fwnode has been initialized. */ #define FWNODE_FLAG_LINKS_ADDED BIT(0) +#define FWNODE_FLAG_NOT_DEVICE BIT(1) +#define FWNODE_FLAG_INITIALIZED BIT(2) struct fwnode_handle { struct fwnode_handle *secondary; @@ -50,6 +55,13 @@ struct fwnode_endpoint { const struct fwnode_handle *local_fwnode; }; +/* + * ports and endpoints defined as software_nodes should all follow a common + * naming scheme; use these macros to ensure commonality. + */ +#define SWNODE_GRAPH_PORT_NAME_FMT "port@%u" +#define SWNODE_GRAPH_ENDPOINT_NAME_FMT "endpoint@%u" + #define NR_FWNODE_REFERENCE_ARGS 8 /** @@ -159,7 +171,20 @@ static inline void fwnode_init(struct fwnode_handle *fwnode, INIT_LIST_HEAD(&fwnode->suppliers); } +static inline void fwnode_dev_initialized(struct fwnode_handle *fwnode, + bool initialized) +{ + if (IS_ERR_OR_NULL(fwnode)) + return; + + if (initialized) + fwnode->flags |= FWNODE_FLAG_INITIALIZED; + else + fwnode->flags &= ~FWNODE_FLAG_INITIALIZED; +} + extern u32 fw_devlink_get_flags(void); +extern bool fw_devlink_is_strict(void); int fwnode_link_add(struct fwnode_handle *con, struct fwnode_handle *sup); void fwnode_links_purge(struct fwnode_handle *fwnode); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 809aaa32d53c..f364619092cc 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -32,6 +32,7 @@ extern struct class block_class; #include <linux/string.h> #include <linux/fs.h> #include <linux/workqueue.h> +#include <linux/xarray.h> #define PARTITION_META_INFO_VOLNAMELTH 64 /* @@ -116,13 +117,6 @@ enum { DISK_EVENT_FLAG_UEVENT = 1 << 1, }; -struct disk_part_tbl { - struct rcu_head rcu_head; - int len; - struct block_device __rcu *last_lookup; - struct block_device __rcu *part[]; -}; - struct disk_events; struct badblocks; @@ -148,12 +142,7 @@ struct gendisk { unsigned short events; /* supported events */ unsigned short event_flags; /* flags related to event processing */ - /* Array of pointers to partitions indexed by partno. - * Protected with matching bdev lock but stat and other - * non-critical accesses use RCU. Always access through - * helpers. - */ - struct disk_part_tbl __rcu *part_tbl; + struct xarray part_tbl; struct block_device *part0; const struct block_device_operations *fops; @@ -163,6 +152,7 @@ struct gendisk { int flags; unsigned long state; #define GD_NEED_PART_SCAN 0 +#define GD_READ_ONLY 1 struct kobject *slave_dir; struct timer_rand_state *random; @@ -212,10 +202,11 @@ static inline dev_t disk_devt(struct gendisk *disk) return MKDEV(disk->major, disk->first_minor); } +void disk_uevent(struct gendisk *disk, enum kobject_action action); + /* * Smarter partition iterator without context limits. */ -#define DISK_PITER_REVERSE (1 << 0) /* iterate in the reverse direction */ #define DISK_PITER_INCL_EMPTY (1 << 1) /* include 0-sized parts */ #define DISK_PITER_INCL_PART0 (1 << 2) /* include partition 0 */ #define DISK_PITER_INCL_EMPTY_PART0 (1 << 3) /* include empty partition 0 */ @@ -223,7 +214,7 @@ static inline dev_t disk_devt(struct gendisk *disk) struct disk_part_iter { struct gendisk *disk; struct block_device *part; - int idx; + unsigned long idx; unsigned int flags; }; @@ -231,7 +222,6 @@ extern void disk_part_iter_init(struct disk_part_iter *piter, struct gendisk *disk, unsigned int flags); struct block_device *disk_part_iter_next(struct disk_part_iter *piter); extern void disk_part_iter_exit(struct disk_part_iter *piter); -extern bool disk_has_partitions(struct gendisk *disk); /* block/genhd.c */ extern void device_add_disk(struct device *parent, struct gendisk *disk, @@ -249,11 +239,12 @@ static inline void add_disk_no_queue_reg(struct gendisk *disk) extern void del_gendisk(struct gendisk *gp); extern struct block_device *bdget_disk(struct gendisk *disk, int partno); -extern void set_disk_ro(struct gendisk *disk, int flag); +void set_disk_ro(struct gendisk *disk, bool read_only); static inline int get_disk_ro(struct gendisk *disk) { - return disk->part0->bd_read_only; + return disk->part0->bd_read_only || + test_bit(GD_READ_ONLY, &disk->state); } extern void disk_block_events(struct gendisk *disk); diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 6e479e9c48ce..8572a1474e16 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -8,6 +8,20 @@ #include <linux/linkage.h> #include <linux/topology.h> +/* The typedef is in types.h but we want the documentation here */ +#if 0 +/** + * typedef gfp_t - Memory allocation flags. + * + * GFP flags are commonly used throughout Linux to indicate how memory + * should be allocated. The GFP acronym stands for get_free_pages(), + * the underlying memory allocation function. Not every GFP flag is + * supported by every function which may allocate memory. Most users + * will want to use a plain ``GFP_KERNEL``. + */ +typedef unsigned int __bitwise gfp_t; +#endif + struct vm_area_struct; /* @@ -583,8 +597,16 @@ extern void free_pages(unsigned long addr, unsigned int order); struct page_frag_cache; extern void __page_frag_cache_drain(struct page *page, unsigned int count); -extern void *page_frag_alloc(struct page_frag_cache *nc, - unsigned int fragsz, gfp_t gfp_mask); +extern void *page_frag_alloc_align(struct page_frag_cache *nc, + unsigned int fragsz, gfp_t gfp_mask, + unsigned int align_mask); + +static inline void *page_frag_alloc(struct page_frag_cache *nc, + unsigned int fragsz, gfp_t gfp_mask) +{ + return page_frag_alloc_align(nc, fragsz, gfp_mask, ~0u); +} + extern void page_frag_free(void *addr); #define __free_page(page) __free_pages((page), 0) @@ -612,6 +634,8 @@ bool gfp_pfmemalloc_allowed(gfp_t gfp_mask); extern void pm_restrict_gfp_mask(void); extern void pm_restore_gfp_mask(void); +extern gfp_t vma_thp_gfp_mask(struct vm_area_struct *vma); + #ifdef CONFIG_PM_SLEEP extern bool pm_suspended_storage(void); #else diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h index ef49307611d2..c73b25bc9213 100644 --- a/include/linux/gpio/consumer.h +++ b/include/linux/gpio/consumer.h @@ -674,6 +674,8 @@ struct acpi_gpio_mapping { * get GpioIo type explicitly, this quirk may be used. */ #define ACPI_GPIO_QUIRK_ONLY_GPIOIO BIT(1) +/* Use given pin as an absolute GPIO number in the system */ +#define ACPI_GPIO_QUIRK_ABSOLUTE_NUMBER BIT(2) unsigned int quirks; }; diff --git a/include/linux/gpio/machine.h b/include/linux/gpio/machine.h index 781a053abbb9..d755e529c1e3 100644 --- a/include/linux/gpio/machine.h +++ b/include/linux/gpio/machine.h @@ -75,7 +75,7 @@ struct gpiod_hog { * gpiod_get_index() */ #define GPIO_LOOKUP_IDX(_key, _chip_hwnum, _con_id, _idx, _flags) \ -{ \ +(struct gpiod_lookup) { \ .key = _key, \ .chip_hwnum = _chip_hwnum, \ .con_id = _con_id, \ @@ -87,7 +87,7 @@ struct gpiod_hog { * Simple definition of a single GPIO hog in an array. */ #define GPIO_HOG(_chip_label, _chip_hwnum, _line_name, _lflags, _dflags) \ -{ \ +(struct gpiod_hog) { \ .chip_label = _chip_label, \ .chip_hwnum = _chip_hwnum, \ .line_name = _line_name, \ diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h index 46bcef380446..763802b2b8f9 100644 --- a/include/linux/hid-sensor-hub.h +++ b/include/linux/hid-sensor-hub.h @@ -150,7 +150,7 @@ int sensor_hub_remove_callback(struct hid_sensor_hub_device *hsdev, * @info: return information about attribute after parsing report * * Parses report and returns the attribute information such as report id, -* field index, units and exponet etc. +* field index, units and exponent etc. */ int sensor_hub_input_get_attribute_info(struct hid_sensor_hub_device *hsdev, u8 type, @@ -167,7 +167,7 @@ int sensor_hub_input_get_attribute_info(struct hid_sensor_hub_device *hsdev, * @is_signed: If true then fields < 32 bits will be sign-extended * * Issues a synchronous or asynchronous read request for an input attribute. -* Returns data upto 32 bits. +* Return: data up to 32 bits. */ enum sensor_hub_read_flags { @@ -205,8 +205,9 @@ int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, * @buffer: buffer to copy output * * Used to get a field in feature report. For example this can get polling -* interval, sensitivity, activate/deactivate state. On success it returns -* number of bytes copied to buffer. On failure, it returns value < 0. +* interval, sensitivity, activate/deactivate state. +* Return: On success, it returns the number of bytes copied to buffer. +* On failure, it returns value < 0. */ int sensor_hub_get_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, u32 field_index, int buffer_size, void *buffer); diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h index d82a97e311d3..3bbdbccc5805 100644 --- a/include/linux/hid-sensor-ids.h +++ b/include/linux/hid-sensor-ids.h @@ -128,6 +128,10 @@ #define HID_USAGE_SENSOR_UNITS_DEGREES_PER_SECOND 0x15 /* Common selectors */ +#define HID_USAGE_SENSOR_PROP_DESC 0x200300 +#define HID_USAGE_SENSOR_PROP_FRIENDLY_NAME 0x200301 +#define HID_USAGE_SENSOR_PROP_SERIAL_NUM 0x200307 +#define HID_USAGE_SENSOR_PROP_MANUFACTURER 0x200305 #define HID_USAGE_SENSOR_PROP_REPORT_INTERVAL 0x20030E #define HID_USAGE_SENSOR_PROP_SENSITIVITY_ABS 0x20030F #define HID_USAGE_SENSOR_PROP_SENSITIVITY_RANGE_PCT 0x200310 @@ -158,4 +162,14 @@ #define HID_USAGE_SENSOR_PROP_REPORTING_STATE_NO_EVENTS_ENUM 0x200840 #define HID_USAGE_SENSOR_PROP_REPORTING_STATE_ALL_EVENTS_ENUM 0x200841 +/* Custom Sensor (2000e1) */ +#define HID_USAGE_SENSOR_HINGE 0x20020B +#define HID_USAGE_SENSOR_DATA_FIELD_LOCATION 0x200400 +#define HID_USAGE_SENSOR_DATA_FIELE_TIME_SINCE_SYS_BOOT 0x20052B +#define HID_USAGE_SENSOR_DATA_FIELD_CUSTOM_USAGE 0x200541 +#define HID_USAGE_SENSOR_DATA_FIELD_CUSTOM_VALUE_BASE 0x200543 +/* Custom Sensor data 28=>x>=0 */ +#define HID_USAGE_SENSOR_DATA_FIELD_CUSTOM_VALUE(x) \ + (HID_USAGE_SENSOR_DATA_FIELD_CUSTOM_VALUE_BASE + (x)) + #endif diff --git a/include/linux/hid.h b/include/linux/hid.h index c39d71eb1fd0..ef702b3f56e3 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -918,7 +918,7 @@ __u32 hid_field_extract(const struct hid_device *hid, __u8 *report, /** * hid_device_io_start - enable HID input during probe, remove * - * @hid - the device + * @hid: the device * * This should only be called during probe or remove and only be * called by the thread calling probe or remove. It will allow @@ -936,7 +936,7 @@ static inline void hid_device_io_start(struct hid_device *hid) { /** * hid_device_io_stop - disable HID input during probe, remove * - * @hid - the device + * @hid: the device * * Should only be called after hid_device_io_start. It will prevent * incoming packets from going to the driver for the duration of @@ -1010,6 +1010,13 @@ static inline void hid_map_usage(struct hid_input *hidinput, /** * hid_map_usage_clear - map usage input bits and clear the input bit * + * @hidinput: hidinput which we are interested in + * @usage: usage to fill in + * @bit: pointer to input->{}bit (out parameter) + * @max: maximal valid usage->code to consider later (out parameter) + * @type: input event type (EV_KEY, EV_REL, ...) + * @c: code which corresponds to this usage and type + * * The same as hid_map_usage, except the @c bit is also cleared in supported * bits (@bit). */ @@ -1084,7 +1091,7 @@ static inline void hid_hw_request(struct hid_device *hdev, * @rtype: HID report type * @reqtype: HID_REQ_GET_REPORT or HID_REQ_SET_REPORT * - * @return: count of data transfered, negative if error + * Return: count of data transferred, negative if error * * Same behavior as hid_hw_request, but with raw buffers instead. */ @@ -1106,7 +1113,7 @@ static inline int hid_hw_raw_request(struct hid_device *hdev, * @buf: raw data to transfer * @len: length of buf * - * @return: count of data transfered, negative if error + * Return: count of data transferred, negative if error */ static inline int hid_hw_output_report(struct hid_device *hdev, __u8 *buf, size_t len) diff --git a/include/linux/highmem-internal.h b/include/linux/highmem-internal.h index 1bbe96dc8be6..7902c7d8b55f 100644 --- a/include/linux/highmem-internal.h +++ b/include/linux/highmem-internal.h @@ -127,11 +127,6 @@ static inline unsigned long totalhigh_pages(void) return (unsigned long)atomic_long_read(&_totalhigh_pages); } -static inline void totalhigh_pages_inc(void) -{ - atomic_long_inc(&_totalhigh_pages); -} - static inline void totalhigh_pages_add(long count) { atomic_long_add(count, &_totalhigh_pages); diff --git a/include/linux/highmem.h b/include/linux/highmem.h index d2c70d3772a3..44170f312ae7 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -276,4 +276,60 @@ static inline void copy_highpage(struct page *to, struct page *from) #endif +static inline void memcpy_page(struct page *dst_page, size_t dst_off, + struct page *src_page, size_t src_off, + size_t len) +{ + char *dst = kmap_local_page(dst_page); + char *src = kmap_local_page(src_page); + + VM_BUG_ON(dst_off + len > PAGE_SIZE || src_off + len > PAGE_SIZE); + memcpy(dst + dst_off, src + src_off, len); + kunmap_local(src); + kunmap_local(dst); +} + +static inline void memmove_page(struct page *dst_page, size_t dst_off, + struct page *src_page, size_t src_off, + size_t len) +{ + char *dst = kmap_local_page(dst_page); + char *src = kmap_local_page(src_page); + + VM_BUG_ON(dst_off + len > PAGE_SIZE || src_off + len > PAGE_SIZE); + memmove(dst + dst_off, src + src_off, len); + kunmap_local(src); + kunmap_local(dst); +} + +static inline void memset_page(struct page *page, size_t offset, int val, + size_t len) +{ + char *addr = kmap_local_page(page); + + VM_BUG_ON(offset + len > PAGE_SIZE); + memset(addr + offset, val, len); + kunmap_local(addr); +} + +static inline void memcpy_from_page(char *to, struct page *page, + size_t offset, size_t len) +{ + char *from = kmap_local_page(page); + + VM_BUG_ON(offset + len > PAGE_SIZE); + memcpy(to, from + offset, len); + kunmap_local(from); +} + +static inline void memcpy_to_page(struct page *page, size_t offset, + const char *from, size_t len) +{ + char *to = kmap_local_page(page); + + VM_BUG_ON(offset + len > PAGE_SIZE); + memcpy(to + offset, from, len); + kunmap_local(to); +} + #endif /* _LINUX_HIGHMEM_H */ diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 6a19f35f836b..ba973efcd369 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -78,6 +78,7 @@ static inline vm_fault_t vmf_insert_pfn_pud(struct vm_fault *vmf, pfn_t pfn, } enum transparent_hugepage_flag { + TRANSPARENT_HUGEPAGE_NEVER_DAX, TRANSPARENT_HUGEPAGE_FLAG, TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG, TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, @@ -123,6 +124,13 @@ extern unsigned long transparent_hugepage_flags; */ static inline bool __transparent_hugepage_enabled(struct vm_area_struct *vma) { + + /* + * If the hardware/firmware marked hugepage support disabled. + */ + if (transparent_hugepage_flags & (1 << TRANSPARENT_HUGEPAGE_NEVER_DAX)) + return false; + if (vma->vm_flags & VM_NOHUGEPAGE) return false; @@ -134,12 +142,7 @@ static inline bool __transparent_hugepage_enabled(struct vm_area_struct *vma) if (transparent_hugepage_flags & (1 << TRANSPARENT_HUGEPAGE_FLAG)) return true; - /* - * For dax vmas, try to always use hugepage mappings. If the kernel does - * not support hugepages, fsdax mappings will fallback to PAGE_SIZE - * mappings, and device-dax namespaces, that try to guarantee a given - * mapping size, will fail to enable - */ + if (vma_is_dax(vma)) return true; diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index b5807f23caf8..cccd1aab69dd 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -37,7 +37,7 @@ struct hugepage_subpool { struct hstate *hstate; long min_hpages; /* Minimum huge pages or -1 if no minimum. */ long rsv_hpages; /* Pages reserved against global pool to */ - /* sasitfy minimum size. */ + /* satisfy minimum size. */ }; struct resv_map { @@ -139,7 +139,7 @@ int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm, pte_t *dst_pte, unsigned long dst_addr, unsigned long src_addr, struct page **pagep); -int hugetlb_reserve_pages(struct inode *inode, long from, long to, +bool hugetlb_reserve_pages(struct inode *inode, long from, long to, struct vm_area_struct *vma, vm_flags_t vm_flags); long hugetlb_unreserve_pages(struct inode *inode, long start, long end, @@ -472,6 +472,84 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, unsigned long flags); #endif /* HAVE_ARCH_HUGETLB_UNMAPPED_AREA */ +/* + * huegtlb page specific state flags. These flags are located in page.private + * of the hugetlb head page. Functions created via the below macros should be + * used to manipulate these flags. + * + * HPG_restore_reserve - Set when a hugetlb page consumes a reservation at + * allocation time. Cleared when page is fully instantiated. Free + * routine checks flag to restore a reservation on error paths. + * Synchronization: Examined or modified by code that knows it has + * the only reference to page. i.e. After allocation but before use + * or when the page is being freed. + * HPG_migratable - Set after a newly allocated page is added to the page + * cache and/or page tables. Indicates the page is a candidate for + * migration. + * Synchronization: Initially set after new page allocation with no + * locking. When examined and modified during migration processing + * (isolate, migrate, putback) the hugetlb_lock is held. + * HPG_temporary - - Set on a page that is temporarily allocated from the buddy + * allocator. Typically used for migration target pages when no pages + * are available in the pool. The hugetlb free page path will + * immediately free pages with this flag set to the buddy allocator. + * Synchronization: Can be set after huge page allocation from buddy when + * code knows it has only reference. All other examinations and + * modifications require hugetlb_lock. + * HPG_freed - Set when page is on the free lists. + * Synchronization: hugetlb_lock held for examination and modification. + */ +enum hugetlb_page_flags { + HPG_restore_reserve = 0, + HPG_migratable, + HPG_temporary, + HPG_freed, + __NR_HPAGEFLAGS, +}; + +/* + * Macros to create test, set and clear function definitions for + * hugetlb specific page flags. + */ +#ifdef CONFIG_HUGETLB_PAGE +#define TESTHPAGEFLAG(uname, flname) \ +static inline int HPage##uname(struct page *page) \ + { return test_bit(HPG_##flname, &(page->private)); } + +#define SETHPAGEFLAG(uname, flname) \ +static inline void SetHPage##uname(struct page *page) \ + { set_bit(HPG_##flname, &(page->private)); } + +#define CLEARHPAGEFLAG(uname, flname) \ +static inline void ClearHPage##uname(struct page *page) \ + { clear_bit(HPG_##flname, &(page->private)); } +#else +#define TESTHPAGEFLAG(uname, flname) \ +static inline int HPage##uname(struct page *page) \ + { return 0; } + +#define SETHPAGEFLAG(uname, flname) \ +static inline void SetHPage##uname(struct page *page) \ + { } + +#define CLEARHPAGEFLAG(uname, flname) \ +static inline void ClearHPage##uname(struct page *page) \ + { } +#endif + +#define HPAGEFLAG(uname, flname) \ + TESTHPAGEFLAG(uname, flname) \ + SETHPAGEFLAG(uname, flname) \ + CLEARHPAGEFLAG(uname, flname) \ + +/* + * Create functions associated with hugetlb page flags + */ +HPAGEFLAG(RestoreReserve, restore_reserve) +HPAGEFLAG(Migratable, migratable) +HPAGEFLAG(Temporary, temporary) +HPAGEFLAG(Freed, freed) + #ifdef CONFIG_HUGETLB_PAGE #define HSTATE_NAME_LEN 32 @@ -531,6 +609,20 @@ extern unsigned int default_hstate_idx; #define default_hstate (hstates[default_hstate_idx]) +/* + * hugetlb page subpool pointer located in hpage[1].private + */ +static inline struct hugepage_subpool *hugetlb_page_subpool(struct page *hpage) +{ + return (struct hugepage_subpool *)(hpage+1)->private; +} + +static inline void hugetlb_set_page_subpool(struct page *hpage, + struct hugepage_subpool *subpool) +{ + set_page_private(hpage+1, (unsigned long)subpool); +} + static inline struct hstate *hstate_file(struct file *f) { return hstate_inode(file_inode(f)); @@ -770,8 +862,6 @@ static inline void huge_ptep_modify_prot_commit(struct vm_area_struct *vma, } #endif -void set_page_huge_active(struct page *page); - #else /* CONFIG_HUGETLB_PAGE */ struct hstate {}; diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 5ddb479c4d4c..f1d74dcf0353 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -785,6 +785,7 @@ struct vmbus_device { u16 dev_type; guid_t guid; bool perf_device; + bool allowed_in_isolated; }; struct vmbus_channel { @@ -803,6 +804,7 @@ struct vmbus_channel { u8 monitor_bit; bool rescind; /* got rescind msg */ + bool rescind_ref; /* got rescind msg, got channel reference */ struct completion rescind_event; u32 ringbuffer_gpadlhandle; @@ -1471,6 +1473,7 @@ void vmbus_free_mmio(resource_size_t start, resource_size_t size); #define ICMSGTYPE_SHUTDOWN 3 #define ICMSGTYPE_TIMESYNC 4 #define ICMSGTYPE_VSS 5 +#define ICMSGTYPE_FCOPY 7 #define ICMSGHDRFLAG_TRANSACTION 1 #define ICMSGHDRFLAG_REQUEST 2 @@ -1514,11 +1517,17 @@ struct icmsg_hdr { u8 reserved[2]; } __packed; +#define IC_VERSION_NEGOTIATION_MAX_VER_COUNT 100 +#define ICMSG_HDR (sizeof(struct vmbuspipe_hdr) + sizeof(struct icmsg_hdr)) +#define ICMSG_NEGOTIATE_PKT_SIZE(icframe_vercnt, icmsg_vercnt) \ + (ICMSG_HDR + sizeof(struct icmsg_negotiate) + \ + (((icframe_vercnt) + (icmsg_vercnt)) * sizeof(struct ic_version))) + struct icmsg_negotiate { u16 icframe_vercnt; u16 icmsg_vercnt; u32 reserved; - struct ic_version icversion_data[1]; /* any size array */ + struct ic_version icversion_data[]; /* any size array */ } __packed; struct shutdown_msg_data { @@ -1569,7 +1578,7 @@ struct hyperv_service_callback { }; #define MAX_SRV_VER 0x7ffffff -extern bool vmbus_prep_negotiate_resp(struct icmsg_hdr *icmsghdrp, u8 *buf, +extern bool vmbus_prep_negotiate_resp(struct icmsg_hdr *icmsghdrp, u8 *buf, u32 buflen, const int *fw_version, int fw_vercnt, const int *srv_version, int srv_vercnt, int *nego_fw_version, int *nego_srv_version); diff --git a/include/linux/i3c/device.h b/include/linux/i3c/device.h index de102e4418ab..8242e13e7b0b 100644 --- a/include/linux/i3c/device.h +++ b/include/linux/i3c/device.h @@ -176,7 +176,7 @@ struct i3c_device; struct i3c_driver { struct device_driver driver; int (*probe)(struct i3c_device *dev); - int (*remove)(struct i3c_device *dev); + void (*remove)(struct i3c_device *dev); const struct i3c_device_id *id_table; }; diff --git a/include/linux/icmpv6.h b/include/linux/icmpv6.h index 1b3371ae8193..9055cb380ee2 100644 --- a/include/linux/icmpv6.h +++ b/include/linux/icmpv6.h @@ -3,6 +3,7 @@ #define _LINUX_ICMPV6_H #include <linux/skbuff.h> +#include <linux/ipv6.h> #include <uapi/linux/icmpv6.h> static inline struct icmp6hdr *icmp6_hdr(const struct sk_buff *skb) @@ -15,13 +16,16 @@ static inline struct icmp6hdr *icmp6_hdr(const struct sk_buff *skb) #if IS_ENABLED(CONFIG_IPV6) typedef void ip6_icmp_send_t(struct sk_buff *skb, u8 type, u8 code, __u32 info, - const struct in6_addr *force_saddr); -#if IS_BUILTIN(CONFIG_IPV6) + const struct in6_addr *force_saddr, + const struct inet6_skb_parm *parm); void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info, - const struct in6_addr *force_saddr); -static inline void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info) + const struct in6_addr *force_saddr, + const struct inet6_skb_parm *parm); +#if IS_BUILTIN(CONFIG_IPV6) +static inline void __icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info, + const struct inet6_skb_parm *parm) { - icmp6_send(skb, type, code, info, NULL); + icmp6_send(skb, type, code, info, NULL, parm); } static inline int inet6_register_icmp_sender(ip6_icmp_send_t *fn) { @@ -34,18 +38,28 @@ static inline int inet6_unregister_icmp_sender(ip6_icmp_send_t *fn) return 0; } #else -extern void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info); +extern void __icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info, + const struct inet6_skb_parm *parm); extern int inet6_register_icmp_sender(ip6_icmp_send_t *fn); extern int inet6_unregister_icmp_sender(ip6_icmp_send_t *fn); #endif +static inline void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info) +{ + __icmpv6_send(skb, type, code, info, IP6CB(skb)); +} + int ip6_err_gen_icmpv6_unreach(struct sk_buff *skb, int nhs, int type, unsigned int data_len); #if IS_ENABLED(CONFIG_NF_NAT) void icmpv6_ndo_send(struct sk_buff *skb_in, u8 type, u8 code, __u32 info); #else -#define icmpv6_ndo_send icmpv6_send +static inline void icmpv6_ndo_send(struct sk_buff *skb_in, u8 type, u8 code, __u32 info) +{ + struct inet6_skb_parm parm = { 0 }; + __icmpv6_send(skb_in, type, code, info, &parm); +} #endif #else diff --git a/include/linux/if_hsr.h b/include/linux/if_hsr.h new file mode 100644 index 000000000000..38bbc537d4e4 --- /dev/null +++ b/include/linux/if_hsr.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_IF_HSR_H_ +#define _LINUX_IF_HSR_H_ + +/* used to differentiate various protocols */ +enum hsr_version { + HSR_V0 = 0, + HSR_V1, + PRP_V1, +}; + +#if IS_ENABLED(CONFIG_HSR) +extern bool is_hsr_master(struct net_device *dev); +extern int hsr_get_version(struct net_device *dev, enum hsr_version *ver); +#else +static inline bool is_hsr_master(struct net_device *dev) +{ + return false; +} +static inline int hsr_get_version(struct net_device *dev, + enum hsr_version *ver) +{ + return -EINVAL; +} +#endif /* CONFIG_HSR */ + +#endif /*_LINUX_IF_HSR_H_*/ diff --git a/include/linux/iio/adc/qcom-vadc-common.h b/include/linux/iio/adc/qcom-vadc-common.h new file mode 100644 index 000000000000..33f60f43e1aa --- /dev/null +++ b/include/linux/iio/adc/qcom-vadc-common.h @@ -0,0 +1,174 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Code shared between the different Qualcomm PMIC voltage ADCs + */ + +#ifndef QCOM_VADC_COMMON_H +#define QCOM_VADC_COMMON_H + +#include <linux/types.h> + +#define VADC_CONV_TIME_MIN_US 2000 +#define VADC_CONV_TIME_MAX_US 2100 + +/* Min ADC code represents 0V */ +#define VADC_MIN_ADC_CODE 0x6000 +/* Max ADC code represents full-scale range of 1.8V */ +#define VADC_MAX_ADC_CODE 0xa800 + +#define VADC_ABSOLUTE_RANGE_UV 625000 +#define VADC_RATIOMETRIC_RANGE 1800 + +#define VADC_DEF_PRESCALING 0 /* 1:1 */ +#define VADC_DEF_DECIMATION 0 /* 512 */ +#define VADC_DEF_HW_SETTLE_TIME 0 /* 0 us */ +#define VADC_DEF_AVG_SAMPLES 0 /* 1 sample */ +#define VADC_DEF_CALIB_TYPE VADC_CALIB_ABSOLUTE + +#define VADC_DECIMATION_MIN 512 +#define VADC_DECIMATION_MAX 4096 +#define ADC5_DEF_VBAT_PRESCALING 1 /* 1:3 */ +#define ADC5_DECIMATION_SHORT 250 +#define ADC5_DECIMATION_MEDIUM 420 +#define ADC5_DECIMATION_LONG 840 +/* Default decimation - 1024 for rev2, 840 for pmic5 */ +#define ADC5_DECIMATION_DEFAULT 2 +#define ADC5_DECIMATION_SAMPLES_MAX 3 + +#define VADC_HW_SETTLE_DELAY_MAX 10000 +#define VADC_HW_SETTLE_SAMPLES_MAX 16 +#define VADC_AVG_SAMPLES_MAX 512 +#define ADC5_AVG_SAMPLES_MAX 16 + +#define PMIC5_CHG_TEMP_SCALE_FACTOR 377500 +#define PMIC5_SMB_TEMP_CONSTANT 419400 +#define PMIC5_SMB_TEMP_SCALE_FACTOR 356 + +#define PMI_CHG_SCALE_1 -138890 +#define PMI_CHG_SCALE_2 391750000000LL + +#define VADC5_MAX_CODE 0x7fff +#define ADC5_FULL_SCALE_CODE 0x70e4 +#define ADC5_USR_DATA_CHECK 0x8000 + +#define R_PU_100K 100000 +#define RATIO_MAX_ADC7 BIT(14) + +/* + * VADC_CALIB_ABSOLUTE: uses the 625mV and 1.25V as reference channels. + * VADC_CALIB_RATIOMETRIC: uses the reference voltage (1.8V) and GND for + * calibration. + */ +enum vadc_calibration { + VADC_CALIB_ABSOLUTE = 0, + VADC_CALIB_RATIOMETRIC +}; + +/** + * struct vadc_linear_graph - Represent ADC characteristics. + * @dy: numerator slope to calculate the gain. + * @dx: denominator slope to calculate the gain. + * @gnd: A/D word of the ground reference used for the channel. + * + * Each ADC device has different offset and gain parameters which are + * computed to calibrate the device. + */ +struct vadc_linear_graph { + s32 dy; + s32 dx; + s32 gnd; +}; + +/** + * struct vadc_prescale_ratio - Represent scaling ratio for ADC input. + * @num: the inverse numerator of the gain applied to the input channel. + * @den: the inverse denominator of the gain applied to the input channel. + */ +struct vadc_prescale_ratio { + u32 num; + u32 den; +}; + +/** + * enum vadc_scale_fn_type - Scaling function to convert ADC code to + * physical scaled units for the channel. + * SCALE_DEFAULT: Default scaling to convert raw adc code to voltage (uV). + * SCALE_THERM_100K_PULLUP: Returns temperature in millidegC. + * Uses a mapping table with 100K pullup. + * SCALE_PMIC_THERM: Returns result in milli degree's Centigrade. + * SCALE_XOTHERM: Returns XO thermistor voltage in millidegC. + * SCALE_PMI_CHG_TEMP: Conversion for PMI CHG temp + * SCALE_HW_CALIB_DEFAULT: Default scaling to convert raw adc code to + * voltage (uV) with hardware applied offset/slope values to adc code. + * SCALE_HW_CALIB_THERM_100K_PULLUP: Returns temperature in millidegC using + * lookup table. The hardware applies offset/slope to adc code. + * SCALE_HW_CALIB_XOTHERM: Returns XO thermistor voltage in millidegC using + * 100k pullup. The hardware applies offset/slope to adc code. + * SCALE_HW_CALIB_THERM_100K_PU_PM7: Returns temperature in millidegC using + * lookup table for PMIC7. The hardware applies offset/slope to adc code. + * SCALE_HW_CALIB_PMIC_THERM: Returns result in milli degree's Centigrade. + * The hardware applies offset/slope to adc code. + * SCALE_HW_CALIB_PMIC_THERM: Returns result in milli degree's Centigrade. + * The hardware applies offset/slope to adc code. This is for PMIC7. + * SCALE_HW_CALIB_PM5_CHG_TEMP: Returns result in millidegrees for PMIC5 + * charger temperature. + * SCALE_HW_CALIB_PM5_SMB_TEMP: Returns result in millidegrees for PMIC5 + * SMB1390 temperature. + */ +enum vadc_scale_fn_type { + SCALE_DEFAULT = 0, + SCALE_THERM_100K_PULLUP, + SCALE_PMIC_THERM, + SCALE_XOTHERM, + SCALE_PMI_CHG_TEMP, + SCALE_HW_CALIB_DEFAULT, + SCALE_HW_CALIB_THERM_100K_PULLUP, + SCALE_HW_CALIB_XOTHERM, + SCALE_HW_CALIB_THERM_100K_PU_PM7, + SCALE_HW_CALIB_PMIC_THERM, + SCALE_HW_CALIB_PMIC_THERM_PM7, + SCALE_HW_CALIB_PM5_CHG_TEMP, + SCALE_HW_CALIB_PM5_SMB_TEMP, + SCALE_HW_CALIB_INVALID, +}; + +struct adc5_data { + const u32 full_scale_code_volt; + const u32 full_scale_code_cur; + const struct adc5_channels *adc_chans; + const struct iio_info *info; + unsigned int *decimation; + unsigned int *hw_settle_1; + unsigned int *hw_settle_2; +}; + +int qcom_vadc_scale(enum vadc_scale_fn_type scaletype, + const struct vadc_linear_graph *calib_graph, + const struct vadc_prescale_ratio *prescale, + bool absolute, + u16 adc_code, int *result_mdec); + +struct qcom_adc5_scale_type { + int (*scale_fn)(const struct vadc_prescale_ratio *prescale, + const struct adc5_data *data, u16 adc_code, int *result); +}; + +int qcom_adc5_hw_scale(enum vadc_scale_fn_type scaletype, + unsigned int prescale_ratio, + const struct adc5_data *data, + u16 adc_code, int *result_mdec); + +u16 qcom_adc_tm5_temp_volt_scale(unsigned int prescale_ratio, + u32 full_scale_code_volt, int temp); + +int qcom_adc5_prescaling_from_dt(u32 num, u32 den); + +int qcom_adc5_hw_settle_time_from_dt(u32 value, const unsigned int *hw_settle); + +int qcom_adc5_avg_samples_from_dt(u32 value); + +int qcom_adc5_decimation_from_dt(u32 value, const unsigned int *decimation); + +int qcom_vadc_decimation_from_dt(u32 value); + +#endif /* QCOM_VADC_COMMON_H */ diff --git a/include/linux/iio/consumer.h b/include/linux/iio/consumer.h index c4118dcb8e05..0a90ba8fa1bb 100644 --- a/include/linux/iio/consumer.h +++ b/include/linux/iio/consumer.h @@ -13,6 +13,7 @@ struct iio_dev; struct iio_chan_spec; struct device; +struct device_node; /** * struct iio_channel - everything needed for a consumer to use a channel @@ -97,6 +98,41 @@ void iio_channel_release_all(struct iio_channel *chan); */ struct iio_channel *devm_iio_channel_get_all(struct device *dev); +/** + * of_iio_channel_get_by_name() - get description of all that is needed to access channel. + * @np: Pointer to consumer device tree node + * @consumer_channel: Unique name to identify the channel on the consumer + * side. This typically describes the channels use within + * the consumer. E.g. 'battery_voltage' + */ +#ifdef CONFIG_OF +struct iio_channel *of_iio_channel_get_by_name(struct device_node *np, const char *name); +#else +static inline struct iio_channel * +of_iio_channel_get_by_name(struct device_node *np, const char *name) +{ + return NULL; +} +#endif + +/** + * devm_of_iio_channel_get_by_name() - Resource managed version of of_iio_channel_get_by_name(). + * @dev: Pointer to consumer device. + * @np: Pointer to consumer device tree node + * @consumer_channel: Unique name to identify the channel on the consumer + * side. This typically describes the channels use within + * the consumer. E.g. 'battery_voltage' + * + * Returns a pointer to negative errno if it is not able to get the iio channel + * otherwise returns valid pointer for iio channel. + * + * The allocated iio channel is automatically released when the device is + * unbound. + */ +struct iio_channel *devm_of_iio_channel_get_by_name(struct device *dev, + struct device_node *np, + const char *consumer_channel); + struct iio_cb_buffer; /** * iio_channel_get_all_cb() - register callback for triggered capture diff --git a/include/linux/ima.h b/include/linux/ima.h index 7db9cca1af34..61d5723ec303 100644 --- a/include/linux/ima.h +++ b/include/linux/ima.h @@ -16,7 +16,8 @@ struct linux_binprm; #ifdef CONFIG_IMA extern int ima_bprm_check(struct linux_binprm *bprm); extern int ima_file_check(struct file *file, int mask); -extern void ima_post_create_tmpfile(struct inode *inode); +extern void ima_post_create_tmpfile(struct user_namespace *mnt_userns, + struct inode *inode); extern void ima_file_free(struct file *file); extern int ima_file_mmap(struct file *file, unsigned long prot); extern int ima_file_mprotect(struct vm_area_struct *vma, unsigned long prot); @@ -27,10 +28,15 @@ extern int ima_read_file(struct file *file, enum kernel_read_file_id id, bool contents); extern int ima_post_read_file(struct file *file, void *buf, loff_t size, enum kernel_read_file_id id); -extern void ima_post_path_mknod(struct dentry *dentry); +extern void ima_post_path_mknod(struct user_namespace *mnt_userns, + struct dentry *dentry); extern int ima_file_hash(struct file *file, char *buf, size_t buf_size); extern int ima_inode_hash(struct inode *inode, char *buf, size_t buf_size); extern void ima_kexec_cmdline(int kernel_fd, const void *buf, int size); +extern void ima_measure_critical_data(const char *event_label, + const char *event_name, + const void *buf, size_t buf_len, + bool hash); #ifdef CONFIG_IMA_APPRAISE_BOOTPARAM extern void ima_appraise_parse_cmdline(void); @@ -68,7 +74,8 @@ static inline int ima_file_check(struct file *file, int mask) return 0; } -static inline void ima_post_create_tmpfile(struct inode *inode) +static inline void ima_post_create_tmpfile(struct user_namespace *mnt_userns, + struct inode *inode) { } @@ -112,7 +119,8 @@ static inline int ima_post_read_file(struct file *file, void *buf, loff_t size, return 0; } -static inline void ima_post_path_mknod(struct dentry *dentry) +static inline void ima_post_path_mknod(struct user_namespace *mnt_userns, + struct dentry *dentry) { return; } @@ -128,6 +136,12 @@ static inline int ima_inode_hash(struct inode *inode, char *buf, size_t buf_size } static inline void ima_kexec_cmdline(int kernel_fd, const void *buf, int size) {} + +static inline void ima_measure_critical_data(const char *event_label, + const char *event_name, + const void *buf, size_t buf_len, + bool hash) {} + #endif /* CONFIG_IMA */ #ifndef CONFIG_IMA_KEXEC @@ -153,7 +167,8 @@ static inline void ima_post_key_create_or_update(struct key *keyring, #ifdef CONFIG_IMA_APPRAISE extern bool is_ima_appraise_enabled(void); -extern void ima_inode_post_setattr(struct dentry *dentry); +extern void ima_inode_post_setattr(struct user_namespace *mnt_userns, + struct dentry *dentry); extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name, const void *xattr_value, size_t xattr_value_len); extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name); @@ -163,7 +178,8 @@ static inline bool is_ima_appraise_enabled(void) return 0; } -static inline void ima_inode_post_setattr(struct dentry *dentry) +static inline void ima_inode_post_setattr(struct user_namespace *mnt_userns, + struct dentry *dentry) { return; } diff --git a/include/linux/indirect_call_wrapper.h b/include/linux/indirect_call_wrapper.h index 54c02c84906a..c1c76a70a6ce 100644 --- a/include/linux/indirect_call_wrapper.h +++ b/include/linux/indirect_call_wrapper.h @@ -36,6 +36,7 @@ #define INDIRECT_CALLABLE_DECLARE(f) f #define INDIRECT_CALLABLE_SCOPE +#define EXPORT_INDIRECT_CALLABLE(f) EXPORT_SYMBOL(f) #else #define INDIRECT_CALL_1(f, f1, ...) f(__VA_ARGS__) @@ -44,6 +45,7 @@ #define INDIRECT_CALL_4(f, f4, f3, f2, f1, ...) f(__VA_ARGS__) #define INDIRECT_CALLABLE_DECLARE(f) #define INDIRECT_CALLABLE_SCOPE static +#define EXPORT_INDIRECT_CALLABLE(f) #endif /* @@ -60,4 +62,10 @@ #define INDIRECT_CALL_INET(f, f2, f1, ...) f(__VA_ARGS__) #endif +#if IS_ENABLED(CONFIG_INET) +#define INDIRECT_CALL_INET_1(f, f1, ...) INDIRECT_CALL_1(f, f1, __VA_ARGS__) +#else +#define INDIRECT_CALL_INET_1(f, f1, ...) f(__VA_ARGS__) +#endif + #endif diff --git a/include/linux/init.h b/include/linux/init.h index e668832ef66a..31f54de58429 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -184,19 +184,80 @@ extern bool initcall_debug; * as KEEP() in the linker script. */ +/* Format: <modname>__<counter>_<line>_<fn> */ +#define __initcall_id(fn) \ + __PASTE(__KBUILD_MODNAME, \ + __PASTE(__, \ + __PASTE(__COUNTER__, \ + __PASTE(_, \ + __PASTE(__LINE__, \ + __PASTE(_, fn)))))) + +/* Format: __<prefix>__<iid><id> */ +#define __initcall_name(prefix, __iid, id) \ + __PASTE(__, \ + __PASTE(prefix, \ + __PASTE(__, \ + __PASTE(__iid, id)))) + +#ifdef CONFIG_LTO_CLANG +/* + * With LTO, the compiler doesn't necessarily obey link order for + * initcalls. In order to preserve the correct order, we add each + * variable into its own section and generate a linker script (in + * scripts/link-vmlinux.sh) to specify the order of the sections. + */ +#define __initcall_section(__sec, __iid) \ + #__sec ".init.." #__iid + +/* + * With LTO, the compiler can rename static functions to avoid + * global naming collisions. We use a global stub function for + * initcalls to create a stable symbol name whose address can be + * taken in inline assembly when PREL32 relocations are used. + */ +#define __initcall_stub(fn, __iid, id) \ + __initcall_name(initstub, __iid, id) + +#define __define_initcall_stub(__stub, fn) \ + int __init __stub(void); \ + int __init __stub(void) \ + { \ + return fn(); \ + } \ + __ADDRESSABLE(__stub) +#else +#define __initcall_section(__sec, __iid) \ + #__sec ".init" + +#define __initcall_stub(fn, __iid, id) fn + +#define __define_initcall_stub(__stub, fn) \ + __ADDRESSABLE(fn) +#endif + #ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS -#define ___define_initcall(fn, id, __sec) \ - __ADDRESSABLE(fn) \ - asm(".section \"" #__sec ".init\", \"a\" \n" \ - "__initcall_" #fn #id ": \n" \ - ".long " #fn " - . \n" \ +#define ____define_initcall(fn, __stub, __name, __sec) \ + __define_initcall_stub(__stub, fn) \ + asm(".section \"" __sec "\", \"a\" \n" \ + __stringify(__name) ": \n" \ + ".long " __stringify(__stub) " - . \n" \ ".previous \n"); #else -#define ___define_initcall(fn, id, __sec) \ - static initcall_t __initcall_##fn##id __used \ - __attribute__((__section__(#__sec ".init"))) = fn; +#define ____define_initcall(fn, __unused, __name, __sec) \ + static initcall_t __name __used \ + __attribute__((__section__(__sec))) = fn; #endif +#define __unique_initcall(fn, id, __sec, __iid) \ + ____define_initcall(fn, \ + __initcall_stub(fn, __iid, id), \ + __initcall_name(initcall, __iid, id), \ + __initcall_section(__sec, __iid)) + +#define ___define_initcall(fn, id, __sec) \ + __unique_initcall(fn, id, __sec, __initcall_id(fn)) + #define __define_initcall(fn, id) ___define_initcall(fn, id, .initcall##id) /* @@ -236,7 +297,7 @@ extern bool initcall_debug; #define __exitcall(fn) \ static exitcall_t __exitcall_##fn __exit_call = fn -#define console_initcall(fn) ___define_initcall(fn,, .con_initcall) +#define console_initcall(fn) ___define_initcall(fn, con, .con_initcall) struct obs_kernel_param { const char *str; @@ -277,14 +338,14 @@ struct obs_kernel_param { var = 1; \ return 0; \ } \ - __setup_param(str_on, parse_##var##_on, parse_##var##_on, 1); \ + early_param(str_on, parse_##var##_on); \ \ static int __init parse_##var##_off(char *arg) \ { \ var = 0; \ return 0; \ } \ - __setup_param(str_off, parse_##var##_off, parse_##var##_off, 1) + early_param(str_off, parse_##var##_off) /* Relies on boot_command_line being set */ void __init parse_early_param(void); diff --git a/include/linux/initrd.h b/include/linux/initrd.h index 8db6f8c8030b..85c15717af34 100644 --- a/include/linux/initrd.h +++ b/include/linux/initrd.h @@ -1,5 +1,8 @@ /* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __LINUX_INITRD_H +#define __LINUX_INITRD_H + #define INITRD_MINOR 250 /* shouldn't collide with /dev/ram* too soon ... */ /* starting block # of image */ @@ -15,6 +18,12 @@ extern int initrd_below_start_ok; extern unsigned long initrd_start, initrd_end; extern void free_initrd_mem(unsigned long, unsigned long); +#ifdef CONFIG_BLK_DEV_INITRD +extern void __init reserve_initrd_mem(void); +#else +static inline void __init reserve_initrd_mem(void) {} +#endif + extern phys_addr_t phys_initrd_start; extern unsigned long phys_initrd_size; @@ -24,3 +33,5 @@ extern char __initramfs_start[]; extern unsigned long __initramfs_size; void console_on_rootfs(void); + +#endif /* __LINUX_INITRD_H */ diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 09c6a0bf3892..1bc46b88711a 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -42,6 +42,8 @@ #define DMA_FL_PTE_PRESENT BIT_ULL(0) #define DMA_FL_PTE_US BIT_ULL(2) +#define DMA_FL_PTE_ACCESS BIT_ULL(5) +#define DMA_FL_PTE_DIRTY BIT_ULL(6) #define DMA_FL_PTE_XD BIT_ULL(63) #define ADDR_WIDTH_5LEVEL (57) @@ -168,34 +170,37 @@ * Extended Capability Register */ +#define ecap_rps(e) (((e) >> 49) & 0x1) #define ecap_smpwc(e) (((e) >> 48) & 0x1) #define ecap_flts(e) (((e) >> 47) & 0x1) #define ecap_slts(e) (((e) >> 46) & 0x1) +#define ecap_slads(e) (((e) >> 45) & 0x1) #define ecap_vcs(e) (((e) >> 44) & 0x1) #define ecap_smts(e) (((e) >> 43) & 0x1) -#define ecap_dit(e) ((e >> 41) & 0x1) -#define ecap_pasid(e) ((e >> 40) & 0x1) -#define ecap_pss(e) ((e >> 35) & 0x1f) -#define ecap_eafs(e) ((e >> 34) & 0x1) -#define ecap_nwfs(e) ((e >> 33) & 0x1) -#define ecap_srs(e) ((e >> 31) & 0x1) -#define ecap_ers(e) ((e >> 30) & 0x1) -#define ecap_prs(e) ((e >> 29) & 0x1) -#define ecap_broken_pasid(e) ((e >> 28) & 0x1) -#define ecap_dis(e) ((e >> 27) & 0x1) -#define ecap_nest(e) ((e >> 26) & 0x1) -#define ecap_mts(e) ((e >> 25) & 0x1) -#define ecap_ecs(e) ((e >> 24) & 0x1) +#define ecap_dit(e) (((e) >> 41) & 0x1) +#define ecap_pds(e) (((e) >> 42) & 0x1) +#define ecap_pasid(e) (((e) >> 40) & 0x1) +#define ecap_pss(e) (((e) >> 35) & 0x1f) +#define ecap_eafs(e) (((e) >> 34) & 0x1) +#define ecap_nwfs(e) (((e) >> 33) & 0x1) +#define ecap_srs(e) (((e) >> 31) & 0x1) +#define ecap_ers(e) (((e) >> 30) & 0x1) +#define ecap_prs(e) (((e) >> 29) & 0x1) +#define ecap_broken_pasid(e) (((e) >> 28) & 0x1) +#define ecap_dis(e) (((e) >> 27) & 0x1) +#define ecap_nest(e) (((e) >> 26) & 0x1) +#define ecap_mts(e) (((e) >> 25) & 0x1) +#define ecap_ecs(e) (((e) >> 24) & 0x1) #define ecap_iotlb_offset(e) ((((e) >> 8) & 0x3ff) * 16) #define ecap_max_iotlb_offset(e) (ecap_iotlb_offset(e) + 16) #define ecap_coherent(e) ((e) & 0x1) #define ecap_qis(e) ((e) & 0x2) -#define ecap_pass_through(e) ((e >> 6) & 0x1) -#define ecap_eim_support(e) ((e >> 4) & 0x1) -#define ecap_ir_support(e) ((e >> 3) & 0x1) +#define ecap_pass_through(e) (((e) >> 6) & 0x1) +#define ecap_eim_support(e) (((e) >> 4) & 0x1) +#define ecap_ir_support(e) (((e) >> 3) & 0x1) #define ecap_dev_iotlb_support(e) (((e) >> 2) & 0x1) -#define ecap_max_handle_mask(e) ((e >> 20) & 0xf) -#define ecap_sc_support(e) ((e >> 7) & 0x1) /* Snooping Control */ +#define ecap_max_handle_mask(e) (((e) >> 20) & 0xf) +#define ecap_sc_support(e) (((e) >> 7) & 0x1) /* Snooping Control */ /* Virtual command interface capability */ #define vccap_pasid(v) (((v) & DMA_VCS_PAS)) /* PASID allocation */ @@ -662,7 +667,7 @@ static inline struct dmar_domain *to_dmar_domain(struct iommu_domain *dom) * 7: super page * 8-10: available * 11: snoop behavior - * 12-63: Host physcial address + * 12-63: Host physical address */ struct dma_pte { u64 val; diff --git a/include/linux/intel-pti.h b/include/linux/intel-pti.h deleted file mode 100644 index fcd841a90f2f..000000000000 --- a/include/linux/intel-pti.h +++ /dev/null @@ -1,35 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) Intel 2011 - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * The PTI (Parallel Trace Interface) driver directs trace data routed from - * various parts in the system out through the Intel Penwell PTI port and - * out of the mobile device for analysis with a debugging tool - * (Lauterbach, Fido). This is part of a solution for the MIPI P1149.7, - * compact JTAG, standard. - * - * This header file will allow other parts of the OS to use the - * interface to write out it's contents for debugging a mobile system. - */ - -#ifndef LINUX_INTEL_PTI_H_ -#define LINUX_INTEL_PTI_H_ - -/* offset for last dword of any PTI message. Part of MIPI P1149.7 */ -#define PTI_LASTDWORD_DTS 0x30 - -/* basic structure used as a write address to the PTI HW */ -struct pti_masterchannel { - u8 master; - u8 channel; -}; - -/* the following functions are defined in misc/pti.c */ -void pti_writedata(struct pti_masterchannel *mc, u8 *buf, int count); -struct pti_masterchannel *pti_request_masterchannel(u8 type, - const char *thread_name); -void pti_release_masterchannel(struct pti_masterchannel *mc); - -#endif /* LINUX_INTEL_PTI_H_ */ diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index bb8ff9083e7d..967e25767153 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -569,15 +569,6 @@ struct softirq_action asmlinkage void do_softirq(void); asmlinkage void __do_softirq(void); -#ifdef __ARCH_HAS_DO_SOFTIRQ -void do_softirq_own_stack(void); -#else -static inline void do_softirq_own_stack(void) -{ - __do_softirq(); -} -#endif - extern void open_softirq(int nr, void (*action)(struct softirq_action *)); extern void softirq_init(void); extern void __raise_softirq_irqoff(unsigned int nr); diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h index ea727eb1a1a9..a4c9ca2c31f1 100644 --- a/include/linux/io-pgtable.h +++ b/include/linux/io-pgtable.h @@ -15,6 +15,7 @@ enum io_pgtable_fmt { ARM_64_LPAE_S2, ARM_V7S, ARM_MALI_LPAE, + AMD_IOMMU_V1, IO_PGTABLE_NUM_FMTS, }; @@ -68,13 +69,9 @@ struct io_pgtable_cfg { * hardware which does not implement the permissions of a given * format, and/or requires some format-specific default value. * - * IO_PGTABLE_QUIRK_TLBI_ON_MAP: If the format forbids caching invalid - * (unmapped) entries but the hardware might do so anyway, perform - * TLB maintenance when mapping as well as when unmapping. - * * IO_PGTABLE_QUIRK_ARM_MTK_EXT: (ARM v7s format) MediaTek IOMMUs extend - * to support up to 34 bits PA where the bit32 and bit33 are - * encoded in the bit9 and bit4 of the PTE respectively. + * to support up to 35 bits PA where the bit32, bit33 and bit34 are + * encoded in the bit9, bit4 and bit5 of the PTE respectively. * * IO_PGTABLE_QUIRK_NON_STRICT: Skip issuing synchronous leaf TLBIs * on unmap, for DMA domains using the flush queue mechanism for @@ -88,7 +85,6 @@ struct io_pgtable_cfg { */ #define IO_PGTABLE_QUIRK_ARM_NS BIT(0) #define IO_PGTABLE_QUIRK_NO_PERMS BIT(1) - #define IO_PGTABLE_QUIRK_TLBI_ON_MAP BIT(2) #define IO_PGTABLE_QUIRK_ARM_MTK_EXT BIT(3) #define IO_PGTABLE_QUIRK_NON_STRICT BIT(4) #define IO_PGTABLE_QUIRK_ARM_TTBR1 BIT(5) @@ -214,14 +210,16 @@ struct io_pgtable_domain_attr { static inline void io_pgtable_tlb_flush_all(struct io_pgtable *iop) { - iop->cfg.tlb->tlb_flush_all(iop->cookie); + if (iop->cfg.tlb && iop->cfg.tlb->tlb_flush_all) + iop->cfg.tlb->tlb_flush_all(iop->cookie); } static inline void io_pgtable_tlb_flush_walk(struct io_pgtable *iop, unsigned long iova, size_t size, size_t granule) { - iop->cfg.tlb->tlb_flush_walk(iova, size, granule, iop->cookie); + if (iop->cfg.tlb && iop->cfg.tlb->tlb_flush_walk) + iop->cfg.tlb->tlb_flush_walk(iova, size, granule, iop->cookie); } static inline void @@ -229,7 +227,7 @@ io_pgtable_tlb_add_page(struct io_pgtable *iop, struct iommu_iotlb_gather * gather, unsigned long iova, size_t granule) { - if (iop->cfg.tlb->tlb_add_page) + if (iop->cfg.tlb && iop->cfg.tlb->tlb_add_page) iop->cfg.tlb->tlb_add_page(gather, iova, granule, iop->cookie); } @@ -251,5 +249,6 @@ extern struct io_pgtable_init_fns io_pgtable_arm_64_lpae_s1_init_fns; extern struct io_pgtable_init_fns io_pgtable_arm_64_lpae_s2_init_fns; extern struct io_pgtable_init_fns io_pgtable_arm_v7s_init_fns; extern struct io_pgtable_init_fns io_pgtable_arm_mali_lpae_init_fns; +extern struct io_pgtable_init_fns io_pgtable_amd_iommu_v1_init_fns; #endif /* __IO_PGTABLE_H */ diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h index 35b2d845704d..79cde9906be0 100644 --- a/include/linux/io_uring.h +++ b/include/linux/io_uring.h @@ -5,35 +5,6 @@ #include <linux/sched.h> #include <linux/xarray.h> -struct io_identity { - struct files_struct *files; - struct mm_struct *mm; -#ifdef CONFIG_BLK_CGROUP - struct cgroup_subsys_state *blkcg_css; -#endif - const struct cred *creds; - struct nsproxy *nsproxy; - struct fs_struct *fs; - unsigned long fsize; -#ifdef CONFIG_AUDIT - kuid_t loginuid; - unsigned int sessionid; -#endif - refcount_t count; -}; - -struct io_uring_task { - /* submission side */ - struct xarray xa; - struct wait_queue_head wait; - struct file *last; - struct percpu_counter inflight; - struct io_identity __identity; - struct io_identity *identity; - atomic_t in_idle; - bool sqpoll; -}; - #if defined(CONFIG_IO_URING) struct sock *io_uring_get_socket(struct file *file); void __io_uring_task_cancel(void); @@ -42,12 +13,12 @@ void __io_uring_free(struct task_struct *tsk); static inline void io_uring_task_cancel(void) { - if (current->io_uring && !xa_empty(¤t->io_uring->xa)) + if (current->io_uring) __io_uring_task_cancel(); } static inline void io_uring_files_cancel(struct files_struct *files) { - if (current->io_uring && !xa_empty(¤t->io_uring->xa)) + if (current->io_uring) __io_uring_files_cancel(files); } static inline void io_uring_free(struct task_struct *tsk) diff --git a/include/linux/iomap.h b/include/linux/iomap.h index 5bd3cac4df9c..d202fd2d0f91 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -55,6 +55,7 @@ struct vm_fault; #define IOMAP_F_SHARED 0x04 #define IOMAP_F_MERGED 0x08 #define IOMAP_F_BUFFER_HEAD 0x10 +#define IOMAP_F_ZONE_APPEND 0x20 /* * Flags set by the core iomap code during operations: @@ -122,6 +123,7 @@ struct iomap_page_ops { #define IOMAP_FAULT (1 << 3) /* mapping for page fault */ #define IOMAP_DIRECT (1 << 4) /* direct I/O */ #define IOMAP_NOWAIT (1 << 5) /* do not block */ +#define IOMAP_OVERWRITE_ONLY (1 << 6) /* only pure overwrites allowed */ struct iomap_ops { /* @@ -256,12 +258,25 @@ struct iomap_dio_ops { struct bio *bio, loff_t file_offset); }; +/* + * Wait for the I/O to complete in iomap_dio_rw even if the kiocb is not + * synchronous. + */ +#define IOMAP_DIO_FORCE_WAIT (1 << 0) + +/* + * Do not allocate blocks or zero partial blocks, but instead fall back to + * the caller by returning -EAGAIN. Used to optimize direct I/O writes that + * are not aligned to the file system block size. + */ +#define IOMAP_DIO_OVERWRITE_ONLY (1 << 1) + ssize_t iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, const struct iomap_ops *ops, const struct iomap_dio_ops *dops, - bool wait_for_completion); + unsigned int dio_flags); struct iomap_dio *__iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, const struct iomap_ops *ops, const struct iomap_dio_ops *dops, - bool wait_for_completion); + unsigned int dio_flags); ssize_t iomap_dio_complete(struct iomap_dio *dio); int iomap_dio_iopoll(struct kiocb *kiocb, bool spin); diff --git a/include/linux/iommu.h b/include/linux/iommu.h index efa96263b81b..5e7fe519430a 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -170,7 +170,7 @@ enum iommu_dev_features { * struct iommu_iotlb_gather - Range information for a pending IOTLB flush * * @start: IOVA representing the start of the range to be flushed - * @end: IOVA representing the end of the range to be flushed (exclusive) + * @end: IOVA representing the end of the range to be flushed (inclusive) * @pgsize: The interval at which to perform the flush * * This structure is intended to be updated by multiple calls to the @@ -246,7 +246,8 @@ struct iommu_ops { size_t (*unmap)(struct iommu_domain *domain, unsigned long iova, size_t size, struct iommu_iotlb_gather *iotlb_gather); void (*flush_iotlb_all)(struct iommu_domain *domain); - void (*iotlb_sync_map)(struct iommu_domain *domain); + void (*iotlb_sync_map)(struct iommu_domain *domain, unsigned long iova, + size_t size); void (*iotlb_sync)(struct iommu_domain *domain, struct iommu_iotlb_gather *iotlb_gather); phys_addr_t (*iova_to_phys)(struct iommu_domain *domain, dma_addr_t iova); @@ -376,6 +377,7 @@ int iommu_device_sysfs_add(struct iommu_device *iommu, void iommu_device_sysfs_remove(struct iommu_device *iommu); int iommu_device_link(struct iommu_device *iommu, struct device *link); void iommu_device_unlink(struct iommu_device *iommu, struct device *link); +int iommu_deferred_attach(struct device *dev, struct iommu_domain *domain); static inline void __iommu_device_set_ops(struct iommu_device *iommu, const struct iommu_ops *ops) @@ -514,7 +516,6 @@ extern int iommu_domain_set_attr(struct iommu_domain *domain, enum iommu_attr, extern int iommu_domain_window_enable(struct iommu_domain *domain, u32 wnd_nr, phys_addr_t offset, u64 size, int prot); -extern void iommu_domain_window_disable(struct iommu_domain *domain, u32 wnd_nr); extern int report_iommu_fault(struct iommu_domain *domain, struct device *dev, unsigned long iova, int flags); @@ -538,7 +539,7 @@ static inline void iommu_iotlb_gather_add_page(struct iommu_domain *domain, struct iommu_iotlb_gather *gather, unsigned long iova, size_t size) { - unsigned long start = iova, end = start + size; + unsigned long start = iova, end = start + size - 1; /* * If the new page is disjoint from the current range or is mapped at @@ -630,7 +631,6 @@ static inline void dev_iommu_priv_set(struct device *dev, void *priv) int iommu_probe_device(struct device *dev); void iommu_release_device(struct device *dev); -bool iommu_dev_has_feature(struct device *dev, enum iommu_dev_features f); int iommu_dev_enable_feature(struct device *dev, enum iommu_dev_features f); int iommu_dev_disable_feature(struct device *dev, enum iommu_dev_features f); bool iommu_dev_feature_enabled(struct device *dev, enum iommu_dev_features f); @@ -749,11 +749,6 @@ static inline int iommu_domain_window_enable(struct iommu_domain *domain, return -ENODEV; } -static inline void iommu_domain_window_disable(struct iommu_domain *domain, - u32 wnd_nr) -{ -} - static inline phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova) { return 0; @@ -985,12 +980,6 @@ const struct iommu_ops *iommu_ops_from_fwnode(struct fwnode_handle *fwnode) } static inline bool -iommu_dev_has_feature(struct device *dev, enum iommu_dev_features feat) -{ - return false; -} - -static inline bool iommu_dev_feature_enabled(struct device *dev, enum iommu_dev_features feat) { return false; diff --git a/include/linux/ioport.h b/include/linux/ioport.h index fe48b7840665..55de385c839c 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -334,11 +334,7 @@ static inline void irqresource_disabled(struct resource *res, u32 irq) res->flags = IORESOURCE_IRQ | IORESOURCE_DISABLED | IORESOURCE_UNSET; } -#ifdef CONFIG_IO_STRICT_DEVMEM -void revoke_devmem(struct resource *res); -#else -static inline void revoke_devmem(struct resource *res) { }; -#endif +extern struct address_space *iomem_get_mapping(void); #endif /* __ASSEMBLY__ */ #endif /* _LINUX_IOPORT_H */ diff --git a/include/linux/iova.h b/include/linux/iova.h index 76e16ae20729..c834c01c0a5b 100644 --- a/include/linux/iova.h +++ b/include/linux/iova.h @@ -150,10 +150,8 @@ unsigned long alloc_iova_fast(struct iova_domain *iovad, unsigned long size, unsigned long limit_pfn, bool flush_rcache); struct iova *reserve_iova(struct iova_domain *iovad, unsigned long pfn_lo, unsigned long pfn_hi); -void copy_reserved_iova(struct iova_domain *from, struct iova_domain *to); void init_iova_domain(struct iova_domain *iovad, unsigned long granule, unsigned long start_pfn); -bool has_iova_flush_queue(struct iova_domain *iovad); int init_iova_flush_queue(struct iova_domain *iovad, iova_flush_cb flush_cb, iova_entry_dtor entry_dtor); struct iova *find_iova(struct iova_domain *iovad, unsigned long pfn); @@ -212,22 +210,12 @@ static inline struct iova *reserve_iova(struct iova_domain *iovad, return NULL; } -static inline void copy_reserved_iova(struct iova_domain *from, - struct iova_domain *to) -{ -} - static inline void init_iova_domain(struct iova_domain *iovad, unsigned long granule, unsigned long start_pfn) { } -static inline bool has_iova_flush_queue(struct iova_domain *iovad) -{ - return false; -} - static inline int init_iova_flush_queue(struct iova_domain *iovad, iova_flush_cb flush_cb, iova_entry_dtor entry_dtor) diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index dda61d150a13..70b2ad3b9884 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -31,6 +31,7 @@ struct ipv6_devconf { __s32 max_desync_factor; __s32 max_addresses; __s32 accept_ra_defrtr; + __u32 ra_defrtr_metric; __s32 accept_ra_min_hop_limit; __s32 accept_ra_pinfo; __s32 ignore_routes_with_linkdown; @@ -84,7 +85,6 @@ struct ipv6_params { __s32 autoconf; }; extern struct ipv6_params ipv6_defaults; -#include <linux/icmpv6.h> #include <linux/tcp.h> #include <linux/udp.h> diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 42d196805f58..33cacc8af26d 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -150,7 +150,6 @@ struct irq_domain_chip_generic; * setting up one or more generic chips for interrupt controllers * drivers using the generic chip library which uses this pointer. * @parent: Pointer to parent irq_domain to support hierarchy irq_domains - * @debugfs_file: dentry for the domain debugfs file * * Revmap data, used internally by irq_domain * @revmap_direct_max_irq: The largest hwirq that can be set for controllers that @@ -174,9 +173,6 @@ struct irq_domain { #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY struct irq_domain *parent; #endif -#ifdef CONFIG_GENERIC_IRQ_DEBUGFS - struct dentry *debugfs_file; -#endif /* reverse map data. The linear map gets appended to the irq_domain */ irq_hw_number_t hwirq_max; diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h index 8de0e1373de7..600c10da321a 100644 --- a/include/linux/irqflags.h +++ b/include/linux/irqflags.h @@ -149,6 +149,17 @@ do { \ # define start_critical_timings() do { } while (0) #endif +#ifdef CONFIG_DEBUG_IRQFLAGS +extern void warn_bogus_irq_restore(void); +#define raw_check_bogus_irq_restore() \ + do { \ + if (unlikely(!arch_irqs_disabled())) \ + warn_bogus_irq_restore(); \ + } while (0) +#else +#define raw_check_bogus_irq_restore() do { } while (0) +#endif + /* * Wrap the arch provided IRQ routines to provide appropriate checks. */ @@ -162,6 +173,7 @@ do { \ #define raw_local_irq_restore(flags) \ do { \ typecheck(unsigned long, flags); \ + raw_check_bogus_irq_restore(); \ arch_local_irq_restore(flags); \ } while (0) #define raw_local_save_flags(flags) \ diff --git a/include/linux/isa.h b/include/linux/isa.h index 41336da0f4e7..e30963190968 100644 --- a/include/linux/isa.h +++ b/include/linux/isa.h @@ -13,7 +13,7 @@ struct isa_driver { int (*match)(struct device *, unsigned int); int (*probe)(struct device *, unsigned int); - int (*remove)(struct device *, unsigned int); + void (*remove)(struct device *, unsigned int); void (*shutdown)(struct device *, unsigned int); int (*suspend)(struct device *, unsigned int, pm_message_t); int (*resume)(struct device *, unsigned int); diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index 32809624d422..d92691262f51 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -261,14 +261,14 @@ static __always_inline void jump_label_init(void) static __always_inline bool static_key_false(struct static_key *key) { - if (unlikely(static_key_count(key) > 0)) + if (unlikely_notrace(static_key_count(key) > 0)) return true; return false; } static __always_inline bool static_key_true(struct static_key *key) { - if (likely(static_key_count(key) > 0)) + if (likely_notrace(static_key_count(key) > 0)) return true; return false; } @@ -460,7 +460,7 @@ extern bool ____wrong_branch_error(void); branch = !arch_static_branch_jump(&(x)->key, true); \ else \ branch = ____wrong_branch_error(); \ - likely(branch); \ + likely_notrace(branch); \ }) #define static_branch_unlikely(x) \ @@ -472,13 +472,13 @@ extern bool ____wrong_branch_error(void); branch = arch_static_branch(&(x)->key, false); \ else \ branch = ____wrong_branch_error(); \ - unlikely(branch); \ + unlikely_notrace(branch); \ }) #else /* !CONFIG_JUMP_LABEL */ -#define static_branch_likely(x) likely(static_key_enabled(&(x)->key)) -#define static_branch_unlikely(x) unlikely(static_key_enabled(&(x)->key)) +#define static_branch_likely(x) likely_notrace(static_key_enabled(&(x)->key)) +#define static_branch_unlikely(x) unlikely_notrace(static_key_enabled(&(x)->key)) #endif /* CONFIG_JUMP_LABEL */ diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h index 481273f0c72d..465060acc981 100644 --- a/include/linux/kallsyms.h +++ b/include/linux/kallsyms.h @@ -71,15 +71,14 @@ static inline void *dereference_symbol_descriptor(void *ptr) return ptr; } -#ifdef CONFIG_KALLSYMS -/* Lookup the address for a symbol. Returns 0 if not found. */ -unsigned long kallsyms_lookup_name(const char *name); - -/* Call a function on each kallsyms symbol in the core kernel */ int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *, unsigned long), void *data); +#ifdef CONFIG_KALLSYMS +/* Lookup the address for a symbol. Returns 0 if not found. */ +unsigned long kallsyms_lookup_name(const char *name); + extern int kallsyms_lookup_size_offset(unsigned long addr, unsigned long *symbolsize, unsigned long *offset); @@ -108,14 +107,6 @@ static inline unsigned long kallsyms_lookup_name(const char *name) return 0; } -static inline int kallsyms_on_each_symbol(int (*fn)(void *, const char *, - struct module *, - unsigned long), - void *data) -{ - return 0; -} - static inline int kallsyms_lookup_size_offset(unsigned long addr, unsigned long *symbolsize, unsigned long *offset) diff --git a/include/linux/kasan-checks.h b/include/linux/kasan-checks.h index ca5e89fb10d3..3d6d22a25bdc 100644 --- a/include/linux/kasan-checks.h +++ b/include/linux/kasan-checks.h @@ -5,6 +5,12 @@ #include <linux/types.h> /* + * The annotations present in this file are only relevant for the software + * KASAN modes that rely on compiler instrumentation, and will be optimized + * away for the hardware tag-based KASAN mode. Use kasan_check_byte() instead. + */ + +/* * __kasan_check_*: Always available when KASAN is enabled. This may be used * even in compilation units that selectively disable KASAN, but must use KASAN * to validate access to an address. Never use these in header files! diff --git a/include/linux/kasan.h b/include/linux/kasan.h index 0aea9e2a2a01..b91732bd05d7 100644 --- a/include/linux/kasan.h +++ b/include/linux/kasan.h @@ -83,6 +83,7 @@ static inline void kasan_disable_current(void) {} struct kasan_cache { int alloc_meta_offset; int free_meta_offset; + bool is_kmalloc; }; #ifdef CONFIG_KASAN_HW_TAGS @@ -143,6 +144,13 @@ static __always_inline void kasan_cache_create(struct kmem_cache *cache, __kasan_cache_create(cache, size, flags); } +void __kasan_cache_create_kmalloc(struct kmem_cache *cache); +static __always_inline void kasan_cache_create_kmalloc(struct kmem_cache *cache) +{ + if (kasan_enabled()) + __kasan_cache_create_kmalloc(cache); +} + size_t __kasan_metadata_size(struct kmem_cache *cache); static __always_inline size_t kasan_metadata_size(struct kmem_cache *cache) { @@ -185,19 +193,25 @@ static __always_inline void * __must_check kasan_init_slab_obj( } bool __kasan_slab_free(struct kmem_cache *s, void *object, unsigned long ip); -static __always_inline bool kasan_slab_free(struct kmem_cache *s, void *object, - unsigned long ip) +static __always_inline bool kasan_slab_free(struct kmem_cache *s, void *object) { if (kasan_enabled()) - return __kasan_slab_free(s, object, ip); + return __kasan_slab_free(s, object, _RET_IP_); return false; } +void __kasan_kfree_large(void *ptr, unsigned long ip); +static __always_inline void kasan_kfree_large(void *ptr) +{ + if (kasan_enabled()) + __kasan_kfree_large(ptr, _RET_IP_); +} + void __kasan_slab_free_mempool(void *ptr, unsigned long ip); -static __always_inline void kasan_slab_free_mempool(void *ptr, unsigned long ip) +static __always_inline void kasan_slab_free_mempool(void *ptr) { if (kasan_enabled()) - __kasan_slab_free_mempool(ptr, ip); + __kasan_slab_free_mempool(ptr, _RET_IP_); } void * __must_check __kasan_slab_alloc(struct kmem_cache *s, @@ -240,13 +254,19 @@ static __always_inline void * __must_check kasan_krealloc(const void *object, return (void *)object; } -void __kasan_kfree_large(void *ptr, unsigned long ip); -static __always_inline void kasan_kfree_large(void *ptr, unsigned long ip) +/* + * Unlike kasan_check_read/write(), kasan_check_byte() is performed even for + * the hardware tag-based mode that doesn't rely on compiler instrumentation. + */ +bool __kasan_check_byte(const void *addr, unsigned long ip); +static __always_inline bool kasan_check_byte(const void *addr) { if (kasan_enabled()) - __kasan_kfree_large(ptr, ip); + return __kasan_check_byte(addr, _RET_IP_); + return true; } + bool kasan_save_enable_multi_shot(void); void kasan_restore_multi_shot(bool enabled); @@ -266,6 +286,7 @@ static inline void kasan_free_pages(struct page *page, unsigned int order) {} static inline void kasan_cache_create(struct kmem_cache *cache, unsigned int *size, slab_flags_t *flags) {} +static inline void kasan_cache_create_kmalloc(struct kmem_cache *cache) {} static inline size_t kasan_metadata_size(struct kmem_cache *cache) { return 0; } static inline void kasan_poison_slab(struct page *page) {} static inline void kasan_unpoison_object_data(struct kmem_cache *cache, @@ -277,12 +298,12 @@ static inline void *kasan_init_slab_obj(struct kmem_cache *cache, { return (void *)object; } -static inline bool kasan_slab_free(struct kmem_cache *s, void *object, - unsigned long ip) +static inline bool kasan_slab_free(struct kmem_cache *s, void *object) { return false; } -static inline void kasan_slab_free_mempool(void *ptr, unsigned long ip) {} +static inline void kasan_kfree_large(void *ptr) {} +static inline void kasan_slab_free_mempool(void *ptr) {} static inline void *kasan_slab_alloc(struct kmem_cache *s, void *object, gfp_t flags) { @@ -302,7 +323,10 @@ static inline void *kasan_krealloc(const void *object, size_t new_size, { return (void *)object; } -static inline void kasan_kfree_large(void *ptr, unsigned long ip) {} +static inline bool kasan_check_byte(const void *address) +{ + return true; +} #endif /* CONFIG_KASAN */ diff --git a/include/linux/kbd_kern.h b/include/linux/kbd_kern.h index 82f29aa35062..c40811d79769 100644 --- a/include/linux/kbd_kern.h +++ b/include/linux/kbd_kern.h @@ -6,8 +6,6 @@ #include <linux/interrupt.h> #include <linux/keyboard.h> -extern struct tasklet_struct keyboard_tasklet; - extern char *func_table[MAX_NR_FUNC]; /* @@ -71,12 +69,6 @@ extern void (*kbd_ledfunc)(unsigned int led); extern int set_console(int nr); extern void schedule_console_callback(void); -/* FIXME: review locking for vt.c callers */ -static inline void set_leds(void) -{ - tasklet_schedule(&keyboard_tasklet); -} - static inline int vc_kbd_mode(struct kbd_struct * kbd, int flag) { return ((kbd->modeflags >> flag) & 1); @@ -135,7 +127,7 @@ static inline void chg_vc_kbd_led(struct kbd_struct * kbd, int flag) struct console; -void compute_shiftstate(void); +void vt_set_leds_compute_shiftstate(void); /* defkeymap.c */ diff --git a/include/linux/kconfig.h b/include/linux/kconfig.h index 9d12c970f18f..24a59cb06963 100644 --- a/include/linux/kconfig.h +++ b/include/linux/kconfig.h @@ -2,8 +2,6 @@ #ifndef __LINUX_KCONFIG_H #define __LINUX_KCONFIG_H -/* CONFIG_CC_VERSION_TEXT (Do not delete this comment. See help in Kconfig) */ - #include <generated/autoconf.h> #ifdef CONFIG_CPU_BIG_ENDIAN @@ -72,4 +70,10 @@ */ #define IS_ENABLED(option) __or(IS_BUILTIN(option), IS_MODULE(option)) +/* + * IF_ENABLED(CONFIG_FOO, ptr) evaluates to (ptr) if CONFIG_FOO is set to 'y' + * or 'm', NULL otherwise. + */ +#define IF_ENABLED(option, ptr) (IS_ENABLED(option) ? (ptr) : NULL) + #endif /* __LINUX_KCONFIG_H */ diff --git a/include/linux/kd.h b/include/linux/kd.h deleted file mode 100644 index b130a18f860f..000000000000 --- a/include/linux/kd.h +++ /dev/null @@ -1,8 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_KD_H -#define _LINUX_KD_H - -#include <uapi/linux/kd.h> - -#define KD_FONT_FLAG_OLD 0x80000000 /* Invoked via old interface [compat] */ -#endif /* _LINUX_KD_H */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index f7902d8c1048..5b7ed6dc99ac 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -15,7 +15,7 @@ #include <linux/typecheck.h> #include <linux/printk.h> #include <linux/build_bug.h> - +#include <linux/static_call_types.h> #include <asm/byteorder.h> #include <uapi/linux/kernel.h> @@ -81,11 +81,26 @@ struct pt_regs; struct user; #ifdef CONFIG_PREEMPT_VOLUNTARY -extern int _cond_resched(void); -# define might_resched() _cond_resched() + +extern int __cond_resched(void); +# define might_resched() __cond_resched() + +#elif defined(CONFIG_PREEMPT_DYNAMIC) + +extern int __cond_resched(void); + +DECLARE_STATIC_CALL(might_resched, __cond_resched); + +static __always_inline void might_resched(void) +{ + static_call_mod(might_resched)(); +} + #else + # define might_resched() do { } while (0) -#endif + +#endif /* CONFIG_PREEMPT_* */ #ifdef CONFIG_DEBUG_ATOMIC_SLEEP extern void ___might_sleep(const char *file, int line, int preempt_offset); diff --git a/include/linux/kexec.h b/include/linux/kexec.h index 9e93bef52968..8a7aa1d7e0e3 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -300,6 +300,11 @@ struct kimage { /* Information for loading purgatory */ struct purgatory_info purgatory_info; #endif + +#ifdef CONFIG_IMA_KEXEC + /* Virtual address of IMA measurement buffer for kexec syscall */ + void *ima_buffer; +#endif }; /* kexec interface functions */ @@ -309,6 +314,8 @@ extern void machine_kexec_cleanup(struct kimage *image); extern int kernel_kexec(void); extern struct page *kimage_alloc_control_pages(struct kimage *image, unsigned int order); +int machine_kexec_post_load(struct kimage *image); + extern void __crash_kexec(struct pt_regs *); extern void crash_kexec(struct pt_regs *); int kexec_should_crash(struct task_struct *); diff --git a/include/linux/key.h b/include/linux/key.h index 0f2e24f13c2b..7febc4881363 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -289,6 +289,7 @@ extern struct key *key_alloc(struct key_type *type, #define KEY_ALLOC_BUILT_IN 0x0004 /* Key is built into kernel */ #define KEY_ALLOC_BYPASS_RESTRICTION 0x0008 /* Override the check on restricted keyrings */ #define KEY_ALLOC_UID_KEYRING 0x0010 /* allocating a user or user session keyring */ +#define KEY_ALLOC_SET_KEEP 0x0020 /* Set the KEEP flag on the key/keyring */ extern void key_revoke(struct key *key); extern void key_invalidate(struct key *key); @@ -360,7 +361,7 @@ static inline struct key *request_key(struct key_type *type, * completion of keys undergoing construction with a non-interruptible wait. */ #define request_key_net(type, description, net, callout_info) \ - request_key_tag(type, description, net->key_domain, callout_info); + request_key_tag(type, description, net->key_domain, callout_info) /** * request_key_net_rcu - Request a key for a net namespace under RCU conditions @@ -372,7 +373,7 @@ static inline struct key *request_key(struct key_type *type, * network namespace are used. */ #define request_key_net_rcu(type, description, net) \ - request_key_rcu(type, description, net->key_domain); + request_key_rcu(type, description, net->key_domain) #endif /* CONFIG_NET */ extern int wait_for_key_construction(struct key *key, bool intr); diff --git a/include/linux/keyslot-manager.h b/include/linux/keyslot-manager.h index 18f3f5346843..a27605e2f826 100644 --- a/include/linux/keyslot-manager.h +++ b/include/linux/keyslot-manager.h @@ -85,6 +85,9 @@ struct blk_keyslot_manager { int blk_ksm_init(struct blk_keyslot_manager *ksm, unsigned int num_slots); +int devm_blk_ksm_init(struct device *dev, struct blk_keyslot_manager *ksm, + unsigned int num_slots); + blk_status_t blk_ksm_get_slot_for_key(struct blk_keyslot_manager *ksm, const struct blk_crypto_key *key, struct blk_ksm_keyslot **slot_ptr); @@ -103,4 +106,15 @@ void blk_ksm_reprogram_all_keys(struct blk_keyslot_manager *ksm); void blk_ksm_destroy(struct blk_keyslot_manager *ksm); +void blk_ksm_intersect_modes(struct blk_keyslot_manager *parent, + const struct blk_keyslot_manager *child); + +void blk_ksm_init_passthrough(struct blk_keyslot_manager *ksm); + +bool blk_ksm_is_superset(struct blk_keyslot_manager *ksm_superset, + struct blk_keyslot_manager *ksm_subset); + +void blk_ksm_update_capabilities(struct blk_keyslot_manager *target_ksm, + struct blk_keyslot_manager *reference_ksm); + #endif /* __LINUX_KEYSLOT_MANAGER_H */ diff --git a/include/linux/kfence.h b/include/linux/kfence.h new file mode 100644 index 000000000000..a70d1ea03532 --- /dev/null +++ b/include/linux/kfence.h @@ -0,0 +1,222 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Kernel Electric-Fence (KFENCE). Public interface for allocator and fault + * handler integration. For more info see Documentation/dev-tools/kfence.rst. + * + * Copyright (C) 2020, Google LLC. + */ + +#ifndef _LINUX_KFENCE_H +#define _LINUX_KFENCE_H + +#include <linux/mm.h> +#include <linux/types.h> + +#ifdef CONFIG_KFENCE + +/* + * We allocate an even number of pages, as it simplifies calculations to map + * address to metadata indices; effectively, the very first page serves as an + * extended guard page, but otherwise has no special purpose. + */ +#define KFENCE_POOL_SIZE ((CONFIG_KFENCE_NUM_OBJECTS + 1) * 2 * PAGE_SIZE) +extern char *__kfence_pool; + +#ifdef CONFIG_KFENCE_STATIC_KEYS +#include <linux/static_key.h> +DECLARE_STATIC_KEY_FALSE(kfence_allocation_key); +#else +#include <linux/atomic.h> +extern atomic_t kfence_allocation_gate; +#endif + +/** + * is_kfence_address() - check if an address belongs to KFENCE pool + * @addr: address to check + * + * Return: true or false depending on whether the address is within the KFENCE + * object range. + * + * KFENCE objects live in a separate page range and are not to be intermixed + * with regular heap objects (e.g. KFENCE objects must never be added to the + * allocator freelists). Failing to do so may and will result in heap + * corruptions, therefore is_kfence_address() must be used to check whether + * an object requires specific handling. + * + * Note: This function may be used in fast-paths, and is performance critical. + * Future changes should take this into account; for instance, we want to avoid + * introducing another load and therefore need to keep KFENCE_POOL_SIZE a + * constant (until immediate patching support is added to the kernel). + */ +static __always_inline bool is_kfence_address(const void *addr) +{ + /* + * The non-NULL check is required in case the __kfence_pool pointer was + * never initialized; keep it in the slow-path after the range-check. + */ + return unlikely((unsigned long)((char *)addr - __kfence_pool) < KFENCE_POOL_SIZE && addr); +} + +/** + * kfence_alloc_pool() - allocate the KFENCE pool via memblock + */ +void __init kfence_alloc_pool(void); + +/** + * kfence_init() - perform KFENCE initialization at boot time + * + * Requires that kfence_alloc_pool() was called before. This sets up the + * allocation gate timer, and requires that workqueues are available. + */ +void __init kfence_init(void); + +/** + * kfence_shutdown_cache() - handle shutdown_cache() for KFENCE objects + * @s: cache being shut down + * + * Before shutting down a cache, one must ensure there are no remaining objects + * allocated from it. Because KFENCE objects are not referenced from the cache + * directly, we need to check them here. + * + * Note that shutdown_cache() is internal to SL*B, and kmem_cache_destroy() does + * not return if allocated objects still exist: it prints an error message and + * simply aborts destruction of a cache, leaking memory. + * + * If the only such objects are KFENCE objects, we will not leak the entire + * cache, but instead try to provide more useful debug info by making allocated + * objects "zombie allocations". Objects may then still be used or freed (which + * is handled gracefully), but usage will result in showing KFENCE error reports + * which include stack traces to the user of the object, the original allocation + * site, and caller to shutdown_cache(). + */ +void kfence_shutdown_cache(struct kmem_cache *s); + +/* + * Allocate a KFENCE object. Allocators must not call this function directly, + * use kfence_alloc() instead. + */ +void *__kfence_alloc(struct kmem_cache *s, size_t size, gfp_t flags); + +/** + * kfence_alloc() - allocate a KFENCE object with a low probability + * @s: struct kmem_cache with object requirements + * @size: exact size of the object to allocate (can be less than @s->size + * e.g. for kmalloc caches) + * @flags: GFP flags + * + * Return: + * * NULL - must proceed with allocating as usual, + * * non-NULL - pointer to a KFENCE object. + * + * kfence_alloc() should be inserted into the heap allocation fast path, + * allowing it to transparently return KFENCE-allocated objects with a low + * probability using a static branch (the probability is controlled by the + * kfence.sample_interval boot parameter). + */ +static __always_inline void *kfence_alloc(struct kmem_cache *s, size_t size, gfp_t flags) +{ +#ifdef CONFIG_KFENCE_STATIC_KEYS + if (static_branch_unlikely(&kfence_allocation_key)) +#else + if (unlikely(!atomic_read(&kfence_allocation_gate))) +#endif + return __kfence_alloc(s, size, flags); + return NULL; +} + +/** + * kfence_ksize() - get actual amount of memory allocated for a KFENCE object + * @addr: pointer to a heap object + * + * Return: + * * 0 - not a KFENCE object, must call __ksize() instead, + * * non-0 - this many bytes can be accessed without causing a memory error. + * + * kfence_ksize() returns the number of bytes requested for a KFENCE object at + * allocation time. This number may be less than the object size of the + * corresponding struct kmem_cache. + */ +size_t kfence_ksize(const void *addr); + +/** + * kfence_object_start() - find the beginning of a KFENCE object + * @addr: address within a KFENCE-allocated object + * + * Return: address of the beginning of the object. + * + * SL[AU]B-allocated objects are laid out within a page one by one, so it is + * easy to calculate the beginning of an object given a pointer inside it and + * the object size. The same is not true for KFENCE, which places a single + * object at either end of the page. This helper function is used to find the + * beginning of a KFENCE-allocated object. + */ +void *kfence_object_start(const void *addr); + +/** + * __kfence_free() - release a KFENCE heap object to KFENCE pool + * @addr: object to be freed + * + * Requires: is_kfence_address(addr) + * + * Release a KFENCE object and mark it as freed. + */ +void __kfence_free(void *addr); + +/** + * kfence_free() - try to release an arbitrary heap object to KFENCE pool + * @addr: object to be freed + * + * Return: + * * false - object doesn't belong to KFENCE pool and was ignored, + * * true - object was released to KFENCE pool. + * + * Release a KFENCE object and mark it as freed. May be called on any object, + * even non-KFENCE objects, to simplify integration of the hooks into the + * allocator's free codepath. The allocator must check the return value to + * determine if it was a KFENCE object or not. + */ +static __always_inline __must_check bool kfence_free(void *addr) +{ + if (!is_kfence_address(addr)) + return false; + __kfence_free(addr); + return true; +} + +/** + * kfence_handle_page_fault() - perform page fault handling for KFENCE pages + * @addr: faulting address + * @is_write: is access a write + * @regs: current struct pt_regs (can be NULL, but shows full stack trace) + * + * Return: + * * false - address outside KFENCE pool, + * * true - page fault handled by KFENCE, no additional handling required. + * + * A page fault inside KFENCE pool indicates a memory error, such as an + * out-of-bounds access, a use-after-free or an invalid memory access. In these + * cases KFENCE prints an error message and marks the offending page as + * present, so that the kernel can proceed. + */ +bool __must_check kfence_handle_page_fault(unsigned long addr, bool is_write, struct pt_regs *regs); + +#else /* CONFIG_KFENCE */ + +static inline bool is_kfence_address(const void *addr) { return false; } +static inline void kfence_alloc_pool(void) { } +static inline void kfence_init(void) { } +static inline void kfence_shutdown_cache(struct kmem_cache *s) { } +static inline void *kfence_alloc(struct kmem_cache *s, size_t size, gfp_t flags) { return NULL; } +static inline size_t kfence_ksize(const void *addr) { return 0; } +static inline void *kfence_object_start(const void *addr) { return NULL; } +static inline void __kfence_free(void *addr) { } +static inline bool __must_check kfence_free(void *addr) { return false; } +static inline bool __must_check kfence_handle_page_fault(unsigned long addr, bool is_write, + struct pt_regs *regs) +{ + return false; +} + +#endif + +#endif /* _LINUX_KFENCE_H */ diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h index 0d6cf64c8bb1..392a3670944c 100644 --- a/include/linux/kgdb.h +++ b/include/linux/kgdb.h @@ -325,7 +325,6 @@ extern char *kgdb_mem2hex(char *mem, char *buf, int count); extern int kgdb_hex2mem(char *buf, char *mem, int count); extern int kgdb_isremovedbreak(unsigned long addr); -extern void kgdb_schedule_breakpoint(void); extern int kgdb_has_hit_break(unsigned long addr); extern int @@ -360,9 +359,11 @@ extern atomic_t kgdb_active; extern bool dbg_is_early; extern void __init dbg_late_init(void); extern void kgdb_panic(const char *msg); +extern void kgdb_free_init_mem(void); #else /* ! CONFIG_KGDB */ #define in_dbg_master() (0) #define dbg_late_init() static inline void kgdb_panic(const char *msg) {} +static inline void kgdb_free_init_mem(void) { } #endif /* ! CONFIG_KGDB */ #endif /* _KGDB_H_ */ diff --git a/include/linux/khugepaged.h b/include/linux/khugepaged.h index c941b7377321..2fcc01891b47 100644 --- a/include/linux/khugepaged.h +++ b/include/linux/khugepaged.h @@ -3,6 +3,7 @@ #define _LINUX_KHUGEPAGED_H #include <linux/sched/coredump.h> /* MMF_VM_HUGEPAGE */ +#include <linux/shmem_fs.h> #ifdef CONFIG_TRANSPARENT_HUGEPAGE @@ -57,6 +58,7 @@ static inline int khugepaged_enter(struct vm_area_struct *vma, { if (!test_bit(MMF_VM_HUGEPAGE, &vma->vm_mm->flags)) if ((khugepaged_always() || + (shmem_file(vma->vm_file) && shmem_huge_enabled(vma)) || (khugepaged_req_madv() && (vm_flags & VM_HUGEPAGE))) && !(vm_flags & VM_NOHUGEPAGE) && !test_bit(MMF_DISABLE_THP, &vma->vm_mm->flags)) diff --git a/include/linux/ks0108.h b/include/linux/ks0108.h index 0738389b42b6..1a37a664f915 100644 --- a/include/linux/ks0108.h +++ b/include/linux/ks0108.h @@ -4,7 +4,7 @@ * Version: 0.1.0 * Description: ks0108 LCD Controller driver header * - * Author: Copyright (C) Miguel Ojeda Sandonis + * Author: Copyright (C) Miguel Ojeda <ojeda@kernel.org> * Date: 2006-10-31 */ diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index f3b1013fb22c..1b65e7204344 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -11,6 +11,7 @@ #include <linux/signal.h> #include <linux/sched.h> #include <linux/bug.h> +#include <linux/minmax.h> #include <linux/mm.h> #include <linux/mmu_notifier.h> #include <linux/preempt.h> @@ -425,9 +426,8 @@ struct kvm_irq_routing_table { #define KVM_PRIVATE_MEM_SLOTS 0 #endif -#ifndef KVM_MEM_SLOTS_NUM -#define KVM_MEM_SLOTS_NUM (KVM_USER_MEM_SLOTS + KVM_PRIVATE_MEM_SLOTS) -#endif +#define KVM_MEM_SLOTS_NUM SHRT_MAX +#define KVM_USER_MEM_SLOTS (KVM_MEM_SLOTS_NUM - KVM_PRIVATE_MEM_SLOTS) #ifndef __KVM_VCPU_MULTIPLE_ADDRESS_SPACE static inline int kvm_arch_vcpu_memslots_id(struct kvm_vcpu *vcpu) @@ -451,7 +451,12 @@ struct kvm_memslots { }; struct kvm { +#ifdef KVM_HAVE_MMU_RWLOCK + rwlock_t mmu_lock; +#else spinlock_t mmu_lock; +#endif /* KVM_HAVE_MMU_RWLOCK */ + struct mutex slots_lock; struct mm_struct *mm; /* userspace tied to this vm */ struct kvm_memslots __rcu *memslots[KVM_ADDRESS_SPACE_NUM]; @@ -502,6 +507,8 @@ struct kvm { struct mmu_notifier mmu_notifier; unsigned long mmu_notifier_seq; long mmu_notifier_count; + unsigned long mmu_notifier_range_start; + unsigned long mmu_notifier_range_end; #endif long tlbs_dirty; struct list_head devices; @@ -729,7 +736,7 @@ kvm_pfn_t gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn); kvm_pfn_t gfn_to_pfn_memslot_atomic(struct kvm_memory_slot *slot, gfn_t gfn); kvm_pfn_t __gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn, bool atomic, bool *async, bool write_fault, - bool *writable); + bool *writable, hva_t *hva); void kvm_release_pfn_clean(kvm_pfn_t pfn); void kvm_release_pfn_dirty(kvm_pfn_t pfn); @@ -1203,6 +1210,26 @@ static inline int mmu_notifier_retry(struct kvm *kvm, unsigned long mmu_seq) return 1; return 0; } + +static inline int mmu_notifier_retry_hva(struct kvm *kvm, + unsigned long mmu_seq, + unsigned long hva) +{ + lockdep_assert_held(&kvm->mmu_lock); + /* + * If mmu_notifier_count is non-zero, then the range maintained by + * kvm_mmu_notifier_invalidate_range_start contains all addresses that + * might be being invalidated. Note that it may include some false + * positives, due to shortcuts when handing concurrent invalidations. + */ + if (unlikely(kvm->mmu_notifier_count) && + hva >= kvm->mmu_notifier_range_start && + hva < kvm->mmu_notifier_range_end) + return 1; + if (kvm->mmu_notifier_seq != mmu_seq) + return 1; + return 0; +} #endif #ifdef CONFIG_HAVE_KVM_IRQ_ROUTING diff --git a/include/linux/led-class-flash.h b/include/linux/led-class-flash.h index 21a3358a1731..612b4cab3819 100644 --- a/include/linux/led-class-flash.h +++ b/include/linux/led-class-flash.h @@ -85,6 +85,7 @@ static inline struct led_classdev_flash *lcdev_to_flcdev( return container_of(lcdev, struct led_classdev_flash, led_cdev); } +#if IS_ENABLED(CONFIG_LEDS_CLASS_FLASH) /** * led_classdev_flash_register_ext - register a new object of LED class with * init data and with support for flash LEDs @@ -98,12 +99,6 @@ int led_classdev_flash_register_ext(struct device *parent, struct led_classdev_flash *fled_cdev, struct led_init_data *init_data); -static inline int led_classdev_flash_register(struct device *parent, - struct led_classdev_flash *fled_cdev) -{ - return led_classdev_flash_register_ext(parent, fled_cdev, NULL); -} - /** * led_classdev_flash_unregister - unregisters an object of led_classdev class * with support for flash LEDs @@ -118,15 +113,44 @@ int devm_led_classdev_flash_register_ext(struct device *parent, struct led_init_data *init_data); +void devm_led_classdev_flash_unregister(struct device *parent, + struct led_classdev_flash *fled_cdev); + +#else + +static inline int led_classdev_flash_register_ext(struct device *parent, + struct led_classdev_flash *fled_cdev, + struct led_init_data *init_data) +{ + return 0; +} + +static inline void led_classdev_flash_unregister(struct led_classdev_flash *fled_cdev) {}; +static inline int devm_led_classdev_flash_register_ext(struct device *parent, + struct led_classdev_flash *fled_cdev, + struct led_init_data *init_data) +{ + return 0; +} + +static inline void devm_led_classdev_flash_unregister(struct device *parent, + struct led_classdev_flash *fled_cdev) +{}; + +#endif /* IS_ENABLED(CONFIG_LEDS_CLASS_FLASH) */ + +static inline int led_classdev_flash_register(struct device *parent, + struct led_classdev_flash *fled_cdev) +{ + return led_classdev_flash_register_ext(parent, fled_cdev, NULL); +} + static inline int devm_led_classdev_flash_register(struct device *parent, struct led_classdev_flash *fled_cdev) { return devm_led_classdev_flash_register_ext(parent, fled_cdev, NULL); } -void devm_led_classdev_flash_unregister(struct device *parent, - struct led_classdev_flash *fled_cdev); - /** * led_set_flash_strobe - setup flash strobe * @fled_cdev: the flash LED to set strobe on diff --git a/include/linux/led-class-multicolor.h b/include/linux/led-class-multicolor.h index 5116f9a866cc..210d57bcd767 100644 --- a/include/linux/led-class-multicolor.h +++ b/include/linux/led-class-multicolor.h @@ -44,12 +44,6 @@ int led_classdev_multicolor_register_ext(struct device *parent, struct led_classdev_mc *mcled_cdev, struct led_init_data *init_data); -static inline int led_classdev_multicolor_register(struct device *parent, - struct led_classdev_mc *mcled_cdev) -{ - return led_classdev_multicolor_register_ext(parent, mcled_cdev, NULL); -} - /** * led_classdev_multicolor_unregister - unregisters an object of led_classdev * class with support for multicolor LEDs @@ -68,13 +62,6 @@ int devm_led_classdev_multicolor_register_ext(struct device *parent, struct led_classdev_mc *mcled_cdev, struct led_init_data *init_data); -static inline int devm_led_classdev_multicolor_register(struct device *parent, - struct led_classdev_mc *mcled_cdev) -{ - return devm_led_classdev_multicolor_register_ext(parent, mcled_cdev, - NULL); -} - void devm_led_classdev_multicolor_unregister(struct device *parent, struct led_classdev_mc *mcled_cdev); #else @@ -83,27 +70,33 @@ static inline int led_classdev_multicolor_register_ext(struct device *parent, struct led_classdev_mc *mcled_cdev, struct led_init_data *init_data) { - return -EINVAL; -} - -static inline int led_classdev_multicolor_register(struct device *parent, - struct led_classdev_mc *mcled_cdev) -{ - return led_classdev_multicolor_register_ext(parent, mcled_cdev, NULL); + return 0; } static inline void led_classdev_multicolor_unregister(struct led_classdev_mc *mcled_cdev) {}; static inline int led_mc_calc_color_components(struct led_classdev_mc *mcled_cdev, enum led_brightness brightness) { - return -EINVAL; + return 0; } static inline int devm_led_classdev_multicolor_register_ext(struct device *parent, struct led_classdev_mc *mcled_cdev, struct led_init_data *init_data) { - return -EINVAL; + return 0; +} + +static inline void devm_led_classdev_multicolor_unregister(struct device *parent, + struct led_classdev_mc *mcled_cdev) +{}; + +#endif /* IS_ENABLED(CONFIG_LEDS_CLASS_MULTICOLOR) */ + +static inline int led_classdev_multicolor_register(struct device *parent, + struct led_classdev_mc *mcled_cdev) +{ + return led_classdev_multicolor_register_ext(parent, mcled_cdev, NULL); } static inline int devm_led_classdev_multicolor_register(struct device *parent, @@ -113,9 +106,4 @@ static inline int devm_led_classdev_multicolor_register(struct device *parent, NULL); } -static inline void devm_led_classdev_multicolor_unregister(struct device *parent, - struct led_classdev_mc *mcled_cdev) -{}; - -#endif /* IS_ENABLED(CONFIG_LEDS_CLASS_MULTICOLOR) */ #endif /* _LINUX_MULTICOLOR_LEDS_H_INCLUDED */ diff --git a/include/linux/leds.h b/include/linux/leds.h index 6a8d6409c993..329fd914cf24 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -63,8 +63,8 @@ struct led_hw_trigger_type { struct led_classdev { const char *name; - enum led_brightness brightness; - enum led_brightness max_brightness; + unsigned int brightness; + unsigned int max_brightness; int flags; /* Lower 16 bits reflect status */ @@ -253,8 +253,7 @@ void led_blink_set_oneshot(struct led_classdev *led_cdev, * software blink timer that implements blinking when the * hardware doesn't. This function is guaranteed not to sleep. */ -void led_set_brightness(struct led_classdev *led_cdev, - enum led_brightness brightness); +void led_set_brightness(struct led_classdev *led_cdev, unsigned int brightness); /** * led_set_brightness_sync - set LED brightness synchronously @@ -267,8 +266,7 @@ void led_set_brightness(struct led_classdev *led_cdev, * * Returns: 0 on success or negative error value on failure */ -int led_set_brightness_sync(struct led_classdev *led_cdev, - enum led_brightness value); +int led_set_brightness_sync(struct led_classdev *led_cdev, unsigned int value); /** * led_update_brightness - update LED brightness @@ -565,7 +563,7 @@ static inline void ledtrig_cpu(enum cpu_led_event evt) #ifdef CONFIG_LEDS_BRIGHTNESS_HW_CHANGED void led_classdev_notify_brightness_hw_changed( - struct led_classdev *led_cdev, enum led_brightness brightness); + struct led_classdev *led_cdev, unsigned int brightness); #else static inline void led_classdev_notify_brightness_hw_changed( struct led_classdev *led_cdev, enum led_brightness brightness) { } diff --git a/include/linux/list.h b/include/linux/list.h index 89bdc92e75c3..f2af4b4aa4e9 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -901,7 +901,7 @@ static inline void hlist_add_before(struct hlist_node *n, } /** - * hlist_add_behing - add a new entry after the one specified + * hlist_add_behind - add a new entry after the one specified * @n: new entry to be added * @prev: hlist node to add it after, which must be non-NULL */ diff --git a/include/linux/litex.h b/include/linux/litex.h index 40f5be503593..5ea9ccf5cce4 100644 --- a/include/linux/litex.h +++ b/include/linux/litex.h @@ -3,9 +3,6 @@ * Common LiteX header providing * helper functions for accessing CSRs. * - * Implementation of the functions is provided by - * the LiteX SoC Controller driver. - * * Copyright (C) 2019-2020 Antmicro <www.antmicro.com> */ @@ -13,90 +10,147 @@ #define _LINUX_LITEX_H #include <linux/io.h> -#include <linux/types.h> -#include <linux/compiler_types.h> + +/* LiteX SoCs support 8- or 32-bit CSR Bus data width (i.e., subreg. size) */ +#if defined(CONFIG_LITEX_SUBREG_SIZE) && \ + (CONFIG_LITEX_SUBREG_SIZE == 1 || CONFIG_LITEX_SUBREG_SIZE == 4) +#define LITEX_SUBREG_SIZE CONFIG_LITEX_SUBREG_SIZE +#else +#error LiteX subregister size (LITEX_SUBREG_SIZE) must be 4 or 1! +#endif +#define LITEX_SUBREG_SIZE_BIT (LITEX_SUBREG_SIZE * 8) + +/* LiteX subregisters of any width are always aligned on a 4-byte boundary */ +#define LITEX_SUBREG_ALIGN 0x4 + +static inline void _write_litex_subregister(u32 val, void __iomem *addr) +{ + writel((u32 __force)cpu_to_le32(val), addr); +} + +static inline u32 _read_litex_subregister(void __iomem *addr) +{ + return le32_to_cpu((__le32 __force)readl(addr)); +} /* - * The parameters below are true for LiteX SoCs configured for 8-bit CSR Bus, - * 32-bit aligned. + * LiteX SoC Generator, depending on the configuration, can split a single + * logical CSR (Control&Status Register) into a series of consecutive physical + * registers. + * + * For example, in the configuration with 8-bit CSR Bus, a 32-bit aligned, + * 32-bit wide logical CSR will be laid out as four 32-bit physical + * subregisters, each one containing one byte of meaningful data. * - * Supporting other configurations will require extending the logic in this - * header and in the LiteX SoC controller driver. + * For details see: https://github.com/enjoy-digital/litex/wiki/CSR-Bus */ -#define LITEX_REG_SIZE 0x4 -#define LITEX_SUBREG_SIZE 0x1 -#define LITEX_SUBREG_SIZE_BIT (LITEX_SUBREG_SIZE * 8) -#define WRITE_LITEX_SUBREGISTER(val, base_offset, subreg_id) \ - writel((u32 __force)cpu_to_le32(val), base_offset + (LITEX_REG_SIZE * subreg_id)) +/* number of LiteX subregisters needed to store a register of given reg_size */ +#define _litex_num_subregs(reg_size) \ + (((reg_size) - 1) / LITEX_SUBREG_SIZE + 1) -#define READ_LITEX_SUBREGISTER(base_offset, subreg_id) \ - le32_to_cpu((__le32 __force)readl(base_offset + (LITEX_REG_SIZE * subreg_id))) +/* + * since the number of 4-byte aligned subregisters required to store a single + * LiteX CSR (MMIO) register varies with LITEX_SUBREG_SIZE, the offset of the + * next adjacent LiteX CSR register w.r.t. the offset of the current one also + * depends on how many subregisters the latter is spread across + */ +#define _next_reg_off(off, size) \ + ((off) + _litex_num_subregs(size) * LITEX_SUBREG_ALIGN) -void litex_set_reg(void __iomem *reg, unsigned long reg_sz, unsigned long val); +/* + * The purpose of `_litex_[set|get]_reg()` is to implement the logic of + * writing to/reading from the LiteX CSR in a single place that can be then + * reused by all LiteX drivers via the `litex_[write|read][8|16|32|64]()` + * accessors for the appropriate data width. + * NOTE: direct use of `_litex_[set|get]_reg()` by LiteX drivers is strongly + * discouraged, as they perform no error checking on the requested data width! + */ -unsigned long litex_get_reg(void __iomem *reg, unsigned long reg_sz); +/** + * _litex_set_reg() - Writes a value to the LiteX CSR (Control&Status Register) + * @reg: Address of the CSR + * @reg_size: The width of the CSR expressed in the number of bytes + * @val: Value to be written to the CSR + * + * This function splits a single (possibly multi-byte) LiteX CSR write into + * a series of subregister writes with a proper offset. + * NOTE: caller is responsible for ensuring (0 < reg_size <= sizeof(u64)). + */ +static inline void _litex_set_reg(void __iomem *reg, size_t reg_size, u64 val) +{ + u8 shift = _litex_num_subregs(reg_size) * LITEX_SUBREG_SIZE_BIT; + + while (shift > 0) { + shift -= LITEX_SUBREG_SIZE_BIT; + _write_litex_subregister(val >> shift, reg); + reg += LITEX_SUBREG_ALIGN; + } +} + +/** + * _litex_get_reg() - Reads a value of the LiteX CSR (Control&Status Register) + * @reg: Address of the CSR + * @reg_size: The width of the CSR expressed in the number of bytes + * + * Return: Value read from the CSR + * + * This function generates a series of subregister reads with a proper offset + * and joins their results into a single (possibly multi-byte) LiteX CSR value. + * NOTE: caller is responsible for ensuring (0 < reg_size <= sizeof(u64)). + */ +static inline u64 _litex_get_reg(void __iomem *reg, size_t reg_size) +{ + u64 r; + u8 i; + + r = _read_litex_subregister(reg); + for (i = 1; i < _litex_num_subregs(reg_size); i++) { + r <<= LITEX_SUBREG_SIZE_BIT; + reg += LITEX_SUBREG_ALIGN; + r |= _read_litex_subregister(reg); + } + return r; +} static inline void litex_write8(void __iomem *reg, u8 val) { - WRITE_LITEX_SUBREGISTER(val, reg, 0); + _litex_set_reg(reg, sizeof(u8), val); } static inline void litex_write16(void __iomem *reg, u16 val) { - WRITE_LITEX_SUBREGISTER(val >> 8, reg, 0); - WRITE_LITEX_SUBREGISTER(val, reg, 1); + _litex_set_reg(reg, sizeof(u16), val); } static inline void litex_write32(void __iomem *reg, u32 val) { - WRITE_LITEX_SUBREGISTER(val >> 24, reg, 0); - WRITE_LITEX_SUBREGISTER(val >> 16, reg, 1); - WRITE_LITEX_SUBREGISTER(val >> 8, reg, 2); - WRITE_LITEX_SUBREGISTER(val, reg, 3); + _litex_set_reg(reg, sizeof(u32), val); } static inline void litex_write64(void __iomem *reg, u64 val) { - WRITE_LITEX_SUBREGISTER(val >> 56, reg, 0); - WRITE_LITEX_SUBREGISTER(val >> 48, reg, 1); - WRITE_LITEX_SUBREGISTER(val >> 40, reg, 2); - WRITE_LITEX_SUBREGISTER(val >> 32, reg, 3); - WRITE_LITEX_SUBREGISTER(val >> 24, reg, 4); - WRITE_LITEX_SUBREGISTER(val >> 16, reg, 5); - WRITE_LITEX_SUBREGISTER(val >> 8, reg, 6); - WRITE_LITEX_SUBREGISTER(val, reg, 7); + _litex_set_reg(reg, sizeof(u64), val); } static inline u8 litex_read8(void __iomem *reg) { - return READ_LITEX_SUBREGISTER(reg, 0); + return _litex_get_reg(reg, sizeof(u8)); } static inline u16 litex_read16(void __iomem *reg) { - return (READ_LITEX_SUBREGISTER(reg, 0) << 8) - | (READ_LITEX_SUBREGISTER(reg, 1)); + return _litex_get_reg(reg, sizeof(u16)); } static inline u32 litex_read32(void __iomem *reg) { - return (READ_LITEX_SUBREGISTER(reg, 0) << 24) - | (READ_LITEX_SUBREGISTER(reg, 1) << 16) - | (READ_LITEX_SUBREGISTER(reg, 2) << 8) - | (READ_LITEX_SUBREGISTER(reg, 3)); + return _litex_get_reg(reg, sizeof(u32)); } static inline u64 litex_read64(void __iomem *reg) { - return ((u64)READ_LITEX_SUBREGISTER(reg, 0) << 56) - | ((u64)READ_LITEX_SUBREGISTER(reg, 1) << 48) - | ((u64)READ_LITEX_SUBREGISTER(reg, 2) << 40) - | ((u64)READ_LITEX_SUBREGISTER(reg, 3) << 32) - | ((u64)READ_LITEX_SUBREGISTER(reg, 4) << 24) - | ((u64)READ_LITEX_SUBREGISTER(reg, 5) << 16) - | ((u64)READ_LITEX_SUBREGISTER(reg, 6) << 8) - | ((u64)READ_LITEX_SUBREGISTER(reg, 7)); + return _litex_get_reg(reg, sizeof(u64)); } #endif /* _LINUX_LITEX_H */ diff --git a/include/linux/local_lock_internal.h b/include/linux/local_lock_internal.h index 4a8795b21d77..ded90b097e6e 100644 --- a/include/linux/local_lock_internal.h +++ b/include/linux/local_lock_internal.h @@ -18,6 +18,7 @@ typedef struct { .dep_map = { \ .name = #lockname, \ .wait_type_inner = LD_WAIT_CONFIG, \ + .lock_type = LD_LOCK_PERCPU, \ } #else # define LL_DEP_MAP_INIT(lockname) @@ -30,7 +31,9 @@ do { \ static struct lock_class_key __key; \ \ debug_check_no_locks_freed((void *)lock, sizeof(*lock));\ - lockdep_init_map_wait(&(lock)->dep_map, #lock, &__key, 0, LD_WAIT_CONFIG);\ + lockdep_init_map_type(&(lock)->dep_map, #lock, &__key, 0, \ + LD_WAIT_CONFIG, LD_WAIT_INV, \ + LD_LOCK_PERCPU); \ } while (0) #ifdef CONFIG_DEBUG_LOCK_ALLOC diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index b9e9adec73e8..7b7ebf2e28ec 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -185,12 +185,19 @@ extern void lockdep_unregister_key(struct lock_class_key *key); * to lockdep: */ -extern void lockdep_init_map_waits(struct lockdep_map *lock, const char *name, - struct lock_class_key *key, int subclass, short inner, short outer); +extern void lockdep_init_map_type(struct lockdep_map *lock, const char *name, + struct lock_class_key *key, int subclass, u8 inner, u8 outer, u8 lock_type); + +static inline void +lockdep_init_map_waits(struct lockdep_map *lock, const char *name, + struct lock_class_key *key, int subclass, u8 inner, u8 outer) +{ + lockdep_init_map_type(lock, name, key, subclass, inner, LD_WAIT_INV, LD_LOCK_NORMAL); +} static inline void lockdep_init_map_wait(struct lockdep_map *lock, const char *name, - struct lock_class_key *key, int subclass, short inner) + struct lock_class_key *key, int subclass, u8 inner) { lockdep_init_map_waits(lock, name, key, subclass, inner, LD_WAIT_INV); } @@ -340,6 +347,8 @@ static inline void lockdep_set_selftest_task(struct task_struct *task) # define lock_set_class(l, n, k, s, i) do { } while (0) # define lock_set_subclass(l, s, i) do { } while (0) # define lockdep_init() do { } while (0) +# define lockdep_init_map_type(lock, name, key, sub, inner, outer, type) \ + do { (void)(name); (void)(key); } while (0) # define lockdep_init_map_waits(lock, name, key, sub, inner, outer) \ do { (void)(name); (void)(key); } while (0) # define lockdep_init_map_wait(lock, name, key, sub, inner) \ diff --git a/include/linux/lockdep_types.h b/include/linux/lockdep_types.h index 9a1fd49df17f..2ec9ff5a7fff 100644 --- a/include/linux/lockdep_types.h +++ b/include/linux/lockdep_types.h @@ -30,6 +30,12 @@ enum lockdep_wait_type { LD_WAIT_MAX, /* must be last */ }; +enum lockdep_lock_type { + LD_LOCK_NORMAL = 0, /* normal, catch all */ + LD_LOCK_PERCPU, /* percpu */ + LD_LOCK_MAX, +}; + #ifdef CONFIG_LOCKDEP /* @@ -119,8 +125,10 @@ struct lock_class { int name_version; const char *name; - short wait_type_inner; - short wait_type_outer; + u8 wait_type_inner; + u8 wait_type_outer; + u8 lock_type; + /* u8 hole; */ #ifdef CONFIG_LOCK_STAT unsigned long contention_point[LOCKSTAT_POINTS]; @@ -169,8 +177,10 @@ struct lockdep_map { struct lock_class_key *key; struct lock_class *class_cache[NR_LOCKDEP_CACHING_CLASSES]; const char *name; - short wait_type_outer; /* can be taken in this context */ - short wait_type_inner; /* presents this context */ + u8 wait_type_outer; /* can be taken in this context */ + u8 wait_type_inner; /* presents this context */ + u8 lock_type; + /* u8 hole; */ #ifdef CONFIG_LOCK_STAT int cpu; unsigned long ip; diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h index 7aaa753b8608..477a597db013 100644 --- a/include/linux/lsm_hook_defs.h +++ b/include/linux/lsm_hook_defs.h @@ -113,6 +113,8 @@ LSM_HOOK(void, LSM_RET_VOID, inode_free_security, struct inode *inode) LSM_HOOK(int, 0, inode_init_security, struct inode *inode, struct inode *dir, const struct qstr *qstr, const char **name, void **value, size_t *len) +LSM_HOOK(int, 0, inode_init_security_anon, struct inode *inode, + const struct qstr *name, const struct inode *context_inode) LSM_HOOK(int, 0, inode_create, struct inode *dir, struct dentry *dentry, umode_t mode) LSM_HOOK(int, 0, inode_link, struct dentry *old_dentry, struct inode *dir, @@ -133,17 +135,20 @@ LSM_HOOK(int, 0, inode_follow_link, struct dentry *dentry, struct inode *inode, LSM_HOOK(int, 0, inode_permission, struct inode *inode, int mask) LSM_HOOK(int, 0, inode_setattr, struct dentry *dentry, struct iattr *attr) LSM_HOOK(int, 0, inode_getattr, const struct path *path) -LSM_HOOK(int, 0, inode_setxattr, struct dentry *dentry, const char *name, - const void *value, size_t size, int flags) +LSM_HOOK(int, 0, inode_setxattr, struct user_namespace *mnt_userns, + struct dentry *dentry, const char *name, const void *value, + size_t size, int flags) LSM_HOOK(void, LSM_RET_VOID, inode_post_setxattr, struct dentry *dentry, const char *name, const void *value, size_t size, int flags) LSM_HOOK(int, 0, inode_getxattr, struct dentry *dentry, const char *name) LSM_HOOK(int, 0, inode_listxattr, struct dentry *dentry) -LSM_HOOK(int, 0, inode_removexattr, struct dentry *dentry, const char *name) +LSM_HOOK(int, 0, inode_removexattr, struct user_namespace *mnt_userns, + struct dentry *dentry, const char *name) LSM_HOOK(int, 0, inode_need_killpriv, struct dentry *dentry) -LSM_HOOK(int, 0, inode_killpriv, struct dentry *dentry) -LSM_HOOK(int, -EOPNOTSUPP, inode_getsecurity, struct inode *inode, - const char *name, void **buffer, bool alloc) +LSM_HOOK(int, 0, inode_killpriv, struct user_namespace *mnt_userns, + struct dentry *dentry) +LSM_HOOK(int, -EOPNOTSUPP, inode_getsecurity, struct user_namespace *mnt_userns, + struct inode *inode, const char *name, void **buffer, bool alloc) LSM_HOOK(int, -EOPNOTSUPP, inode_setsecurity, struct inode *inode, const char *name, const void *value, size_t size, int flags) LSM_HOOK(int, 0, inode_listsecurity, struct inode *inode, char *buffer, diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h index a19adef1f088..fb7f3193753d 100644 --- a/include/linux/lsm_hooks.h +++ b/include/linux/lsm_hooks.h @@ -233,6 +233,15 @@ * Returns 0 if @name and @value have been successfully set, * -EOPNOTSUPP if no security attribute is needed, or * -ENOMEM on memory allocation failure. + * @inode_init_security_anon: + * Set up the incore security field for the new anonymous inode + * and return whether the inode creation is permitted by the security + * module or not. + * @inode contains the inode structure + * @name name of the anonymous inode class + * @context_inode optional related inode + * Returns 0 on success, -EACCES if the security module denies the + * creation of this inode, or another -errno upon other errors. * @inode_create: * Check permission to create a regular file. * @dir contains inode structure of the parent of the new file. @@ -444,6 +453,7 @@ * @inode_killpriv: * The setuid bit is being removed. Remove similar security labels. * Called with the dentry->d_inode->i_mutex held. + * @mnt_userns: user namespace of the mount * @dentry is the dentry being changed. * Return 0 on success. If error is returned, then the operation * causing setuid bit removal is failed. diff --git a/include/linux/mdev.h b/include/linux/mdev.h index 9004375c462e..27eb383cb95d 100644 --- a/include/linux/mdev.h +++ b/include/linux/mdev.h @@ -42,7 +42,7 @@ struct device *mdev_get_iommu_device(struct device *dev); * @mdev: mdev_device structure on of mediated device * that is being created * Returns integer: success (0) or error (< 0) - * @remove: Called to free resources in parent device's driver for a + * @remove: Called to free resources in parent device's driver for * a mediated device. It is mandatory to provide 'remove' * ops. * @mdev: mdev_device device structure which is being diff --git a/include/linux/mdio.h b/include/linux/mdio.h index dbd69b3d170b..ffb787d5ebde 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -49,7 +49,11 @@ struct mdio_device { unsigned int reset_assert_delay; unsigned int reset_deassert_delay; }; -#define to_mdio_device(d) container_of(d, struct mdio_device, dev) + +static inline struct mdio_device *to_mdio_device(const struct device *dev) +{ + return container_of(dev, struct mdio_device, dev); +} /* struct mdio_driver_common: Common to all MDIO drivers */ struct mdio_driver_common { @@ -57,8 +61,12 @@ struct mdio_driver_common { int flags; }; #define MDIO_DEVICE_FLAG_PHY 1 -#define to_mdio_common_driver(d) \ - container_of(d, struct mdio_driver_common, driver) + +static inline struct mdio_driver_common * +to_mdio_common_driver(const struct device_driver *driver) +{ + return container_of(driver, struct mdio_driver_common, driver); +} /* struct mdio_driver: Generic MDIO driver */ struct mdio_driver { @@ -73,8 +81,13 @@ struct mdio_driver { /* Clears up any memory if needed */ void (*remove)(struct mdio_device *mdiodev); }; -#define to_mdio_driver(d) \ - container_of(to_mdio_common_driver(d), struct mdio_driver, mdiodrv) + +static inline struct mdio_driver * +to_mdio_driver(const struct device_driver *driver) +{ + return container_of(to_mdio_common_driver(driver), struct mdio_driver, + mdiodrv); +} /* device driver data */ static inline void mdiodev_set_drvdata(struct mdio_device *mdio, void *data) diff --git a/include/linux/mei_cl_bus.h b/include/linux/mei_cl_bus.h index 959ad7d850b4..07f5ef8fc456 100644 --- a/include/linux/mei_cl_bus.h +++ b/include/linux/mei_cl_bus.h @@ -68,7 +68,7 @@ struct mei_cl_driver { int (*probe)(struct mei_cl_device *cldev, const struct mei_cl_device_id *id); - int (*remove)(struct mei_cl_device *cldev); + void (*remove)(struct mei_cl_device *cldev); }; int __mei_cldev_driver_register(struct mei_cl_driver *cldrv, diff --git a/include/linux/memblock.h b/include/linux/memblock.h index b93c44b9121e..d13e3cd938b4 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -117,7 +117,7 @@ int memblock_mark_mirror(phys_addr_t base, phys_addr_t size); int memblock_mark_nomap(phys_addr_t base, phys_addr_t size); int memblock_clear_nomap(phys_addr_t base, phys_addr_t size); -unsigned long memblock_free_all(void); +void memblock_free_all(void); void reset_node_managed_pages(pg_data_t *pgdat); void reset_all_zones_managed_pages(void); @@ -272,7 +272,7 @@ void __next_mem_pfn_range_in_zone(u64 *idx, struct zone *zone, unsigned long *out_spfn, unsigned long *out_epfn); /** - * for_each_free_mem_range_in_zone - iterate through zone specific free + * for_each_free_mem_pfn_range_in_zone - iterate through zone specific free * memblock areas * @i: u64 used as loop variable * @zone: zone in which all of the memory blocks reside @@ -292,7 +292,7 @@ void __next_mem_pfn_range_in_zone(u64 *idx, struct zone *zone, __next_mem_pfn_range_in_zone(&i, zone, p_start, p_end)) /** - * for_each_free_mem_range_in_zone_from - iterate through zone specific + * for_each_free_mem_pfn_range_in_zone_from - iterate through zone specific * free memblock areas from a given point * @i: u64 used as loop variable * @zone: zone in which all of the memory blocks reside @@ -460,7 +460,7 @@ static inline void memblock_free_late(phys_addr_t base, phys_addr_t size) /* * Set the allocation direction to bottom-up or top-down. */ -static inline void memblock_set_bottom_up(bool enable) +static inline __init void memblock_set_bottom_up(bool enable) { memblock.bottom_up = enable; } @@ -470,7 +470,7 @@ static inline void memblock_set_bottom_up(bool enable) * if this is true, that said, memblock will allocate memory * in bottom-up direction. */ -static inline bool memblock_bottom_up(void) +static inline __init bool memblock_bottom_up(void) { return memblock.bottom_up; } diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index eeb0b52203e9..0c04d39a7967 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -92,6 +92,10 @@ struct lruvec_stat { long count[NR_VM_NODE_STAT_ITEMS]; }; +struct batched_lruvec_stat { + s32 count[NR_VM_NODE_STAT_ITEMS]; +}; + /* * Bitmap of shrinker::id corresponding to memcg-aware shrinkers, * which have elements charged to this memcg. @@ -107,11 +111,17 @@ struct memcg_shrinker_map { struct mem_cgroup_per_node { struct lruvec lruvec; - /* Legacy local VM stats */ + /* + * Legacy local VM stats. This should be struct lruvec_stat and + * cannot be optimized to struct batched_lruvec_stat. Because + * the threshold of the lruvec_stat_cpu can be as big as + * MEMCG_CHARGE_BATCH * PAGE_SIZE. It can fit into s32. But this + * filed has no upper limit. + */ struct lruvec_stat __percpu *lruvec_stat_local; /* Subtree VM stats (batched updates) */ - struct lruvec_stat __percpu *lruvec_stat_cpu; + struct batched_lruvec_stat __percpu *lruvec_stat_cpu; atomic_long_t lruvec_stat[NR_VM_NODE_STAT_ITEMS]; unsigned long lru_zone_size[MAX_NR_ZONES][NR_LRU_LISTS]; @@ -475,19 +485,6 @@ static inline struct obj_cgroup **page_objcgs_check(struct page *page) return (struct obj_cgroup **)(memcg_data & ~MEMCG_DATA_FLAGS_MASK); } -/* - * set_page_objcgs - associate a page with a object cgroups vector - * @page: a pointer to the page struct - * @objcgs: a pointer to the object cgroups vector - * - * Atomically associates a page with a vector of object cgroups. - */ -static inline bool set_page_objcgs(struct page *page, - struct obj_cgroup **objcgs) -{ - return !cmpxchg(&page->memcg_data, 0, (unsigned long)objcgs | - MEMCG_DATA_OBJCGS); -} #else static inline struct obj_cgroup **page_objcgs(struct page *page) { @@ -498,12 +495,6 @@ static inline struct obj_cgroup **page_objcgs_check(struct page *page) { return NULL; } - -static inline bool set_page_objcgs(struct page *page, - struct obj_cgroup **objcgs) -{ - return true; -} #endif static __always_inline bool memcg_stat_item_in_bytes(int idx) @@ -689,8 +680,6 @@ struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p); struct mem_cgroup *get_mem_cgroup_from_mm(struct mm_struct *mm); -struct mem_cgroup *get_mem_cgroup_from_page(struct page *page); - struct lruvec *lock_page_lruvec(struct page *page); struct lruvec *lock_page_lruvec_irq(struct page *page); struct lruvec *lock_page_lruvec_irqsave(struct page *page, @@ -1072,9 +1061,7 @@ static inline void memcg_memory_event_mm(struct mm_struct *mm, rcu_read_unlock(); } -#ifdef CONFIG_TRANSPARENT_HUGEPAGE -void mem_cgroup_split_huge_fixup(struct page *head); -#endif +void split_page_memcg(struct page *head, unsigned int nr); #else /* CONFIG_MEMCG */ @@ -1200,11 +1187,6 @@ static inline struct mem_cgroup *get_mem_cgroup_from_mm(struct mm_struct *mm) return NULL; } -static inline struct mem_cgroup *get_mem_cgroup_from_page(struct page *page) -{ - return NULL; -} - static inline void mem_cgroup_put(struct mem_cgroup *memcg) { } @@ -1416,7 +1398,7 @@ unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order, return 0; } -static inline void mem_cgroup_split_huge_fixup(struct page *head) +static inline void split_page_memcg(struct page *head, unsigned int nr) { } @@ -1601,9 +1583,6 @@ static inline void memcg_set_shrinker_bit(struct mem_cgroup *memcg, #endif #ifdef CONFIG_MEMCG_KMEM -int __memcg_kmem_charge(struct mem_cgroup *memcg, gfp_t gfp, - unsigned int nr_pages); -void __memcg_kmem_uncharge(struct mem_cgroup *memcg, unsigned int nr_pages); int __memcg_kmem_charge_page(struct page *page, gfp_t gfp, int order); void __memcg_kmem_uncharge_page(struct page *page, int order); diff --git a/include/linux/memory.h b/include/linux/memory.h index 439a89e758d8..4da95e684e20 100644 --- a/include/linux/memory.h +++ b/include/linux/memory.h @@ -27,9 +27,8 @@ struct memory_block { unsigned long start_section_nr; unsigned long state; /* serialized by the dev->lock */ int online_type; /* for passing data to online routine */ - int phys_device; /* to which fru does this belong? */ - struct device dev; int nid; /* NID for this memory block */ + struct device dev; }; int arch_get_memory_phys_device(unsigned long start_pfn); diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 15acce5ab106..7288aa5ef73b 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -16,22 +16,7 @@ struct resource; struct vmem_altmap; #ifdef CONFIG_MEMORY_HOTPLUG -/* - * Return page for the valid pfn only if the page is online. All pfn - * walkers which rely on the fully initialized page->flags and others - * should use this rather than pfn_valid && pfn_to_page - */ -#define pfn_to_online_page(pfn) \ -({ \ - struct page *___page = NULL; \ - unsigned long ___pfn = pfn; \ - unsigned long ___nr = pfn_to_section_nr(___pfn); \ - \ - if (___nr < NR_MEM_SECTIONS && online_section_nr(___nr) && \ - pfn_valid_within(___pfn)) \ - ___page = pfn_to_page(___pfn); \ - ___page; \ -}) +struct page *pfn_to_online_page(unsigned long pfn); /* * Types for free bootmem stored in page->lru.next. These have to be in @@ -68,7 +53,7 @@ typedef int __bitwise mhp_t; * with this flag set, the resource pointer must no longer be used as it * might be stale, or the resource might have changed. */ -#define MEMHP_MERGE_RESOURCE ((__force mhp_t)BIT(0)) +#define MHP_MERGE_RESOURCE ((__force mhp_t)BIT(0)) /* * Extended parameters for memory hotplug: @@ -81,6 +66,9 @@ struct mhp_params { pgprot_t pgprot; }; +bool mhp_range_allowed(u64 start, u64 size, bool need_mapping); +struct range mhp_get_pluggable_range(bool need_mapping); + /* * Zone resizing functions * @@ -131,10 +119,10 @@ extern int arch_add_memory(int nid, u64 start, u64 size, struct mhp_params *params); extern u64 max_mem_size; -extern int memhp_online_type_from_str(const char *str); +extern int mhp_online_type_from_str(const char *str); /* Default online_type (MMOP_*) when new memory blocks are added. */ -extern int memhp_default_online_type; +extern int mhp_default_online_type; /* If movable_node boot option specified */ extern bool movable_node_enabled; static inline bool movable_node_is_enabled(void) @@ -281,6 +269,13 @@ static inline bool movable_node_is_enabled(void) } #endif /* ! CONFIG_MEMORY_HOTPLUG */ +/* + * Keep this declaration outside CONFIG_MEMORY_HOTPLUG as some + * platforms might override and use arch_get_mappable_range() + * for internal non memory hotplug purposes. + */ +struct range arch_get_mappable_range(void); + #if defined(CONFIG_MEMORY_HOTPLUG) || defined(CONFIG_DEFERRED_STRUCT_PAGE_INIT) /* * pgdat resizing functions diff --git a/include/linux/memremap.h b/include/linux/memremap.h index 79c49e7f5c30..f5b464daeeca 100644 --- a/include/linux/memremap.h +++ b/include/linux/memremap.h @@ -137,6 +137,7 @@ void *devm_memremap_pages(struct device *dev, struct dev_pagemap *pgmap); void devm_memunmap_pages(struct device *dev, struct dev_pagemap *pgmap); struct dev_pagemap *get_dev_pagemap(unsigned long pfn, struct dev_pagemap *pgmap); +bool pgmap_pfn_valid(struct dev_pagemap *pgmap, unsigned long pfn); unsigned long vmem_altmap_offset(struct vmem_altmap *altmap); void vmem_altmap_free(struct vmem_altmap *altmap, unsigned long nr_pfns); @@ -165,6 +166,11 @@ static inline struct dev_pagemap *get_dev_pagemap(unsigned long pfn, return NULL; } +static inline bool pgmap_pfn_valid(struct dev_pagemap *pgmap, unsigned long pfn) +{ + return false; +} + static inline unsigned long vmem_altmap_offset(struct vmem_altmap *altmap) { return 0; diff --git a/include/linux/mfd/abx500/ab8500.h b/include/linux/mfd/abx500/ab8500.h index 524a7e4702c2..302a330c5c84 100644 --- a/include/linux/mfd/abx500/ab8500.h +++ b/include/linux/mfd/abx500/ab8500.h @@ -368,7 +368,6 @@ struct ab8500 { int it_latchhier_num; }; -struct ab8500_regulator_platform_data; struct ab8500_codec_platform_data; struct ab8500_sysctrl_platform_data; @@ -376,11 +375,9 @@ struct ab8500_sysctrl_platform_data; * struct ab8500_platform_data - AB8500 platform data * @irq_base: start of AB8500 IRQs, AB8500_NR_IRQS will be used * @init: board-specific initialization after detection of ab8500 - * @regulator: machine-specific constraints for regulators */ struct ab8500_platform_data { void (*init) (struct ab8500 *); - struct ab8500_regulator_platform_data *regulator; struct ab8500_codec_platform_data *codec; struct ab8500_sysctrl_platform_data *sysctrl; }; diff --git a/include/linux/mfd/axp20x.h b/include/linux/mfd/axp20x.h index fd5957c042da..9ab0e2fca7ea 100644 --- a/include/linux/mfd/axp20x.h +++ b/include/linux/mfd/axp20x.h @@ -696,6 +696,6 @@ int axp20x_device_probe(struct axp20x_dev *axp20x); * * This tells the axp20x core to remove the associated mfd devices */ -int axp20x_device_remove(struct axp20x_dev *axp20x); +void axp20x_device_remove(struct axp20x_dev *axp20x); #endif /* __LINUX_MFD_AXP20X_H */ diff --git a/include/linux/mfd/bd9571mwv.h b/include/linux/mfd/bd9571mwv.h index eb05569f752b..8efd99d07c9e 100644 --- a/include/linux/mfd/bd9571mwv.h +++ b/include/linux/mfd/bd9571mwv.h @@ -1,16 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* - * ROHM BD9571MWV-M driver + * ROHM BD9571MWV-M and BD9574MWF-M driver * * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether expressed or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License version 2 for more details. + * Copyright (C) 2020 Renesas Electronics Corporation * * Based on the TPS65086 driver */ @@ -21,11 +14,12 @@ #include <linux/device.h> #include <linux/regmap.h> -/* List of registers for BD9571MWV */ +/* List of registers for BD9571MWV and BD9574MWF */ #define BD9571MWV_VENDOR_CODE 0x00 #define BD9571MWV_VENDOR_CODE_VAL 0xdb #define BD9571MWV_PRODUCT_CODE 0x01 -#define BD9571MWV_PRODUCT_CODE_VAL 0x60 +#define BD9571MWV_PRODUCT_CODE_BD9571MWV 0x60 +#define BD9571MWV_PRODUCT_CODE_BD9574MWF 0x74 #define BD9571MWV_PRODUCT_REVISION 0x02 #define BD9571MWV_I2C_FUSA_MODE 0x10 @@ -55,6 +49,7 @@ #define BD9571MWV_VD33_VID 0x44 #define BD9571MWV_DVFS_VINIT 0x50 +#define BD9574MWF_VD09_VINIT 0x51 #define BD9571MWV_DVFS_SETVMAX 0x52 #define BD9571MWV_DVFS_BOOSTVID 0x53 #define BD9571MWV_DVFS_SETVID 0x54 @@ -68,6 +63,7 @@ #define BD9571MWV_GPIO_INT_SET 0x64 #define BD9571MWV_GPIO_INT 0x65 #define BD9571MWV_GPIO_INTMASK 0x66 +#define BD9574MWF_GPIO_MUX 0x67 #define BD9571MWV_REG_KEEP(n) (0x70 + (n)) @@ -77,6 +73,8 @@ #define BD9571MWV_PROT_ERROR_STATUS2 0x83 #define BD9571MWV_PROT_ERROR_STATUS3 0x84 #define BD9571MWV_PROT_ERROR_STATUS4 0x85 +#define BD9574MWF_PROT_ERROR_STATUS5 0x86 +#define BD9574MWF_SYSTEM_ERROR_STATUS 0x87 #define BD9571MWV_INT_INTREQ 0x90 #define BD9571MWV_INT_INTREQ_MD1_INT BIT(0) @@ -89,6 +87,12 @@ #define BD9571MWV_INT_INTREQ_BKUP_TRG_INT BIT(7) #define BD9571MWV_INT_INTMASK 0x91 +#define BD9574MWF_SSCG_CNT 0xA0 +#define BD9574MWF_POFFB_MRB 0xA1 +#define BD9574MWF_SMRB_WR_PROT 0xA2 +#define BD9574MWF_SMRB_ASSERT 0xA3 +#define BD9574MWF_SMRB_STATUS 0xA4 + #define BD9571MWV_ACCESS_KEY 0xff /* Define the BD9571MWV IRQ numbers */ @@ -98,23 +102,8 @@ enum bd9571mwv_irqs { BD9571MWV_IRQ_MD2_E2, BD9571MWV_IRQ_PROT_ERR, BD9571MWV_IRQ_GP, - BD9571MWV_IRQ_128H_OF, + BD9571MWV_IRQ_128H_OF, /* BKUP_HOLD on BD9574MWF */ BD9571MWV_IRQ_WDT_OF, BD9571MWV_IRQ_BKUP_TRG, }; - -/** - * struct bd9571mwv - state holder for the bd9571mwv driver - * - * Device data may be used to access the BD9571MWV chip - */ -struct bd9571mwv { - struct device *dev; - struct regmap *regmap; - - /* IRQ Data */ - int irq; - struct regmap_irq_chip_data *irq_data; -}; - #endif /* __LINUX_MFD_BD9571MWV_H */ diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h index 4b35baa14d30..2009c4b936d9 100644 --- a/include/linux/mfd/core.h +++ b/include/linux/mfd/core.h @@ -28,13 +28,13 @@ .id = (_id), \ } -#define OF_MFD_CELL_REG(_name, _res, _pdata, _pdsize, _id, _compat, _of_reg) \ +#define MFD_CELL_OF_REG(_name, _res, _pdata, _pdsize, _id, _compat, _of_reg) \ MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, _of_reg, true, NULL) -#define OF_MFD_CELL(_name, _res, _pdata, _pdsize, _id, _compat) \ +#define MFD_CELL_OF(_name, _res, _pdata, _pdsize, _id, _compat) \ MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, 0, false, NULL) -#define ACPI_MFD_CELL(_name, _res, _pdata, _pdsize, _id, _match) \ +#define MFD_CELL_ACPI(_name, _res, _pdata, _pdsize, _id, _match) \ MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, 0, false, _match) #define MFD_CELL_BASIC(_name, _res, _pdata, _pdsize, _id) \ diff --git a/include/linux/mfd/hi6421-spmi-pmic.h b/include/linux/mfd/hi6421-spmi-pmic.h index 2c8896fd852e..2660226138b8 100644 --- a/include/linux/mfd/hi6421-spmi-pmic.h +++ b/include/linux/mfd/hi6421-spmi-pmic.h @@ -4,6 +4,7 @@ * * Copyright (c) 2013 Linaro Ltd. * Copyright (C) 2011 Hisilicon. + * Copyright (c) 2020-2021 Huawei Technologies Co., Ltd * * Guodong Xu <guodong.xu@linaro.org> */ @@ -12,10 +13,7 @@ #define __HISI_PMIC_H #include <linux/irqdomain.h> - -#define HISI_REGS_ENA_PROTECT_TIME (0) /* in microseconds */ -#define HISI_ECO_MODE_ENABLE (1) -#define HISI_ECO_MODE_DISABLE (0) +#include <linux/regmap.h> struct hi6421_spmi_pmic { struct resource *res; @@ -26,28 +24,7 @@ struct hi6421_spmi_pmic { int irq; int gpio; unsigned int *irqs; + struct regmap *regmap; }; -int hi6421_spmi_pmic_read(struct hi6421_spmi_pmic *pmic, int reg); -int hi6421_spmi_pmic_write(struct hi6421_spmi_pmic *pmic, int reg, u32 val); -int hi6421_spmi_pmic_rmw(struct hi6421_spmi_pmic *pmic, int reg, - u32 mask, u32 bits); - -enum hi6421_spmi_pmic_irq_list { - OTMP = 0, - VBUS_CONNECT, - VBUS_DISCONNECT, - ALARMON_R, - HOLD_6S, - HOLD_1S, - POWERKEY_UP, - POWERKEY_DOWN, - OCP_SCP_R, - COUL_R, - SIM0_HPD_R, - SIM0_HPD_F, - SIM1_HPD_R, - SIM1_HPD_F, - PMIC_IRQ_LIST_MAX, -}; #endif /* __HISI_PMIC_H */ diff --git a/include/linux/mfd/intel-m10-bmc.h b/include/linux/mfd/intel-m10-bmc.h index c8ef2f1654a4..74d4e193966a 100644 --- a/include/linux/mfd/intel-m10-bmc.h +++ b/include/linux/mfd/intel-m10-bmc.h @@ -15,6 +15,15 @@ /* Register offset of system registers */ #define NIOS2_FW_VERSION 0x0 +#define M10BMC_MAC_LOW 0x10 +#define M10BMC_MAC_BYTE4 GENMASK(7, 0) +#define M10BMC_MAC_BYTE3 GENMASK(15, 8) +#define M10BMC_MAC_BYTE2 GENMASK(23, 16) +#define M10BMC_MAC_BYTE1 GENMASK(31, 24) +#define M10BMC_MAC_HIGH 0x14 +#define M10BMC_MAC_BYTE6 GENMASK(7, 0) +#define M10BMC_MAC_BYTE5 GENMASK(15, 8) +#define M10BMC_MAC_COUNT GENMASK(23, 16) #define M10BMC_TEST_REG 0x3c #define M10BMC_BUILD_VER 0x68 #define M10BMC_VER_MAJOR_MSK GENMASK(23, 16) diff --git a/include/linux/mfd/intel_msic.h b/include/linux/mfd/intel_msic.h deleted file mode 100644 index 317e8608cf41..000000000000 --- a/include/linux/mfd/intel_msic.h +++ /dev/null @@ -1,453 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Core interface for Intel MSIC - * - * Copyright (C) 2011, Intel Corporation - * Author: Mika Westerberg <mika.westerberg@linux.intel.com> - */ - -#ifndef __LINUX_MFD_INTEL_MSIC_H__ -#define __LINUX_MFD_INTEL_MSIC_H__ - -/* ID */ -#define INTEL_MSIC_ID0 0x000 /* RO */ -#define INTEL_MSIC_ID1 0x001 /* RO */ - -/* IRQ */ -#define INTEL_MSIC_IRQLVL1 0x002 -#define INTEL_MSIC_ADC1INT 0x003 -#define INTEL_MSIC_CCINT 0x004 -#define INTEL_MSIC_PWRSRCINT 0x005 -#define INTEL_MSIC_PWRSRCINT1 0x006 -#define INTEL_MSIC_CHRINT 0x007 -#define INTEL_MSIC_CHRINT1 0x008 -#define INTEL_MSIC_RTCIRQ 0x009 -#define INTEL_MSIC_GPIO0LVIRQ 0x00a -#define INTEL_MSIC_GPIO1LVIRQ 0x00b -#define INTEL_MSIC_GPIOHVIRQ 0x00c -#define INTEL_MSIC_VRINT 0x00d -#define INTEL_MSIC_OCAUDIO 0x00e -#define INTEL_MSIC_ACCDET 0x00f -#define INTEL_MSIC_RESETIRQ1 0x010 -#define INTEL_MSIC_RESETIRQ2 0x011 -#define INTEL_MSIC_MADC1INT 0x012 -#define INTEL_MSIC_MCCINT 0x013 -#define INTEL_MSIC_MPWRSRCINT 0x014 -#define INTEL_MSIC_MPWRSRCINT1 0x015 -#define INTEL_MSIC_MCHRINT 0x016 -#define INTEL_MSIC_MCHRINT1 0x017 -#define INTEL_MSIC_RTCIRQMASK 0x018 -#define INTEL_MSIC_GPIO0LVIRQMASK 0x019 -#define INTEL_MSIC_GPIO1LVIRQMASK 0x01a -#define INTEL_MSIC_GPIOHVIRQMASK 0x01b -#define INTEL_MSIC_VRINTMASK 0x01c -#define INTEL_MSIC_OCAUDIOMASK 0x01d -#define INTEL_MSIC_ACCDETMASK 0x01e -#define INTEL_MSIC_RESETIRQ1MASK 0x01f -#define INTEL_MSIC_RESETIRQ2MASK 0x020 -#define INTEL_MSIC_IRQLVL1MSK 0x021 -#define INTEL_MSIC_PBCONFIG 0x03e -#define INTEL_MSIC_PBSTATUS 0x03f /* RO */ - -/* GPIO */ -#define INTEL_MSIC_GPIO0LV7CTLO 0x040 -#define INTEL_MSIC_GPIO0LV6CTLO 0x041 -#define INTEL_MSIC_GPIO0LV5CTLO 0x042 -#define INTEL_MSIC_GPIO0LV4CTLO 0x043 -#define INTEL_MSIC_GPIO0LV3CTLO 0x044 -#define INTEL_MSIC_GPIO0LV2CTLO 0x045 -#define INTEL_MSIC_GPIO0LV1CTLO 0x046 -#define INTEL_MSIC_GPIO0LV0CTLO 0x047 -#define INTEL_MSIC_GPIO1LV7CTLOS 0x048 -#define INTEL_MSIC_GPIO1LV6CTLO 0x049 -#define INTEL_MSIC_GPIO1LV5CTLO 0x04a -#define INTEL_MSIC_GPIO1LV4CTLO 0x04b -#define INTEL_MSIC_GPIO1LV3CTLO 0x04c -#define INTEL_MSIC_GPIO1LV2CTLO 0x04d -#define INTEL_MSIC_GPIO1LV1CTLO 0x04e -#define INTEL_MSIC_GPIO1LV0CTLO 0x04f -#define INTEL_MSIC_GPIO0LV7CTLI 0x050 -#define INTEL_MSIC_GPIO0LV6CTLI 0x051 -#define INTEL_MSIC_GPIO0LV5CTLI 0x052 -#define INTEL_MSIC_GPIO0LV4CTLI 0x053 -#define INTEL_MSIC_GPIO0LV3CTLI 0x054 -#define INTEL_MSIC_GPIO0LV2CTLI 0x055 -#define INTEL_MSIC_GPIO0LV1CTLI 0x056 -#define INTEL_MSIC_GPIO0LV0CTLI 0x057 -#define INTEL_MSIC_GPIO1LV7CTLIS 0x058 -#define INTEL_MSIC_GPIO1LV6CTLI 0x059 -#define INTEL_MSIC_GPIO1LV5CTLI 0x05a -#define INTEL_MSIC_GPIO1LV4CTLI 0x05b -#define INTEL_MSIC_GPIO1LV3CTLI 0x05c -#define INTEL_MSIC_GPIO1LV2CTLI 0x05d -#define INTEL_MSIC_GPIO1LV1CTLI 0x05e -#define INTEL_MSIC_GPIO1LV0CTLI 0x05f -#define INTEL_MSIC_PWM0CLKDIV1 0x061 -#define INTEL_MSIC_PWM0CLKDIV0 0x062 -#define INTEL_MSIC_PWM1CLKDIV1 0x063 -#define INTEL_MSIC_PWM1CLKDIV0 0x064 -#define INTEL_MSIC_PWM2CLKDIV1 0x065 -#define INTEL_MSIC_PWM2CLKDIV0 0x066 -#define INTEL_MSIC_PWM0DUTYCYCLE 0x067 -#define INTEL_MSIC_PWM1DUTYCYCLE 0x068 -#define INTEL_MSIC_PWM2DUTYCYCLE 0x069 -#define INTEL_MSIC_GPIO0HV3CTLO 0x06d -#define INTEL_MSIC_GPIO0HV2CTLO 0x06e -#define INTEL_MSIC_GPIO0HV1CTLO 0x06f -#define INTEL_MSIC_GPIO0HV0CTLO 0x070 -#define INTEL_MSIC_GPIO1HV3CTLO 0x071 -#define INTEL_MSIC_GPIO1HV2CTLO 0x072 -#define INTEL_MSIC_GPIO1HV1CTLO 0x073 -#define INTEL_MSIC_GPIO1HV0CTLO 0x074 -#define INTEL_MSIC_GPIO0HV3CTLI 0x075 -#define INTEL_MSIC_GPIO0HV2CTLI 0x076 -#define INTEL_MSIC_GPIO0HV1CTLI 0x077 -#define INTEL_MSIC_GPIO0HV0CTLI 0x078 -#define INTEL_MSIC_GPIO1HV3CTLI 0x079 -#define INTEL_MSIC_GPIO1HV2CTLI 0x07a -#define INTEL_MSIC_GPIO1HV1CTLI 0x07b -#define INTEL_MSIC_GPIO1HV0CTLI 0x07c - -/* SVID */ -#define INTEL_MSIC_SVIDCTRL0 0x080 -#define INTEL_MSIC_SVIDCTRL1 0x081 -#define INTEL_MSIC_SVIDCTRL2 0x082 -#define INTEL_MSIC_SVIDTXLASTPKT3 0x083 /* RO */ -#define INTEL_MSIC_SVIDTXLASTPKT2 0x084 /* RO */ -#define INTEL_MSIC_SVIDTXLASTPKT1 0x085 /* RO */ -#define INTEL_MSIC_SVIDTXLASTPKT0 0x086 /* RO */ -#define INTEL_MSIC_SVIDPKTOUTBYTE3 0x087 -#define INTEL_MSIC_SVIDPKTOUTBYTE2 0x088 -#define INTEL_MSIC_SVIDPKTOUTBYTE1 0x089 -#define INTEL_MSIC_SVIDPKTOUTBYTE0 0x08a -#define INTEL_MSIC_SVIDRXVPDEBUG1 0x08b -#define INTEL_MSIC_SVIDRXVPDEBUG0 0x08c -#define INTEL_MSIC_SVIDRXLASTPKT3 0x08d /* RO */ -#define INTEL_MSIC_SVIDRXLASTPKT2 0x08e /* RO */ -#define INTEL_MSIC_SVIDRXLASTPKT1 0x08f /* RO */ -#define INTEL_MSIC_SVIDRXLASTPKT0 0x090 /* RO */ -#define INTEL_MSIC_SVIDRXCHKSTATUS3 0x091 /* RO */ -#define INTEL_MSIC_SVIDRXCHKSTATUS2 0x092 /* RO */ -#define INTEL_MSIC_SVIDRXCHKSTATUS1 0x093 /* RO */ -#define INTEL_MSIC_SVIDRXCHKSTATUS0 0x094 /* RO */ - -/* VREG */ -#define INTEL_MSIC_VCCLATCH 0x0c0 -#define INTEL_MSIC_VNNLATCH 0x0c1 -#define INTEL_MSIC_VCCCNT 0x0c2 -#define INTEL_MSIC_SMPSRAMP 0x0c3 -#define INTEL_MSIC_VNNCNT 0x0c4 -#define INTEL_MSIC_VNNAONCNT 0x0c5 -#define INTEL_MSIC_VCC122AONCNT 0x0c6 -#define INTEL_MSIC_V180AONCNT 0x0c7 -#define INTEL_MSIC_V500CNT 0x0c8 -#define INTEL_MSIC_VIHFCNT 0x0c9 -#define INTEL_MSIC_LDORAMP1 0x0ca -#define INTEL_MSIC_LDORAMP2 0x0cb -#define INTEL_MSIC_VCC108AONCNT 0x0cc -#define INTEL_MSIC_VCC108ASCNT 0x0cd -#define INTEL_MSIC_VCC108CNT 0x0ce -#define INTEL_MSIC_VCCA100ASCNT 0x0cf -#define INTEL_MSIC_VCCA100CNT 0x0d0 -#define INTEL_MSIC_VCC180AONCNT 0x0d1 -#define INTEL_MSIC_VCC180CNT 0x0d2 -#define INTEL_MSIC_VCC330CNT 0x0d3 -#define INTEL_MSIC_VUSB330CNT 0x0d4 -#define INTEL_MSIC_VCCSDIOCNT 0x0d5 -#define INTEL_MSIC_VPROG1CNT 0x0d6 -#define INTEL_MSIC_VPROG2CNT 0x0d7 -#define INTEL_MSIC_VEMMCSCNT 0x0d8 -#define INTEL_MSIC_VEMMC1CNT 0x0d9 -#define INTEL_MSIC_VEMMC2CNT 0x0da -#define INTEL_MSIC_VAUDACNT 0x0db -#define INTEL_MSIC_VHSPCNT 0x0dc -#define INTEL_MSIC_VHSNCNT 0x0dd -#define INTEL_MSIC_VHDMICNT 0x0de -#define INTEL_MSIC_VOTGCNT 0x0df -#define INTEL_MSIC_V1P35CNT 0x0e0 -#define INTEL_MSIC_V330AONCNT 0x0e1 - -/* RESET */ -#define INTEL_MSIC_CHIPCNTRL 0x100 /* WO */ -#define INTEL_MSIC_ERCONFIG 0x101 - -/* BURST */ -#define INTEL_MSIC_BATCURRENTLIMIT12 0x102 -#define INTEL_MSIC_BATTIMELIMIT12 0x103 -#define INTEL_MSIC_BATTIMELIMIT3 0x104 -#define INTEL_MSIC_BATTIMEDB 0x105 -#define INTEL_MSIC_BRSTCONFIGOUTPUTS 0x106 -#define INTEL_MSIC_BRSTCONFIGACTIONS 0x107 -#define INTEL_MSIC_BURSTCONTROLSTATUS 0x108 - -/* RTC */ -#define INTEL_MSIC_RTCB1 0x140 /* RO */ -#define INTEL_MSIC_RTCB2 0x141 /* RO */ -#define INTEL_MSIC_RTCB3 0x142 /* RO */ -#define INTEL_MSIC_RTCB4 0x143 /* RO */ -#define INTEL_MSIC_RTCOB1 0x144 -#define INTEL_MSIC_RTCOB2 0x145 -#define INTEL_MSIC_RTCOB3 0x146 -#define INTEL_MSIC_RTCOB4 0x147 -#define INTEL_MSIC_RTCAB1 0x148 -#define INTEL_MSIC_RTCAB2 0x149 -#define INTEL_MSIC_RTCAB3 0x14a -#define INTEL_MSIC_RTCAB4 0x14b -#define INTEL_MSIC_RTCWAB1 0x14c -#define INTEL_MSIC_RTCWAB2 0x14d -#define INTEL_MSIC_RTCWAB3 0x14e -#define INTEL_MSIC_RTCWAB4 0x14f -#define INTEL_MSIC_RTCSC1 0x150 -#define INTEL_MSIC_RTCSC2 0x151 -#define INTEL_MSIC_RTCSC3 0x152 -#define INTEL_MSIC_RTCSC4 0x153 -#define INTEL_MSIC_RTCSTATUS 0x154 /* RO */ -#define INTEL_MSIC_RTCCONFIG1 0x155 -#define INTEL_MSIC_RTCCONFIG2 0x156 - -/* CHARGER */ -#define INTEL_MSIC_BDTIMER 0x180 -#define INTEL_MSIC_BATTRMV 0x181 -#define INTEL_MSIC_VBUSDET 0x182 -#define INTEL_MSIC_VBUSDET1 0x183 -#define INTEL_MSIC_ADPHVDET 0x184 -#define INTEL_MSIC_ADPLVDET 0x185 -#define INTEL_MSIC_ADPDETDBDM 0x186 -#define INTEL_MSIC_LOWBATTDET 0x187 -#define INTEL_MSIC_CHRCTRL 0x188 -#define INTEL_MSIC_CHRCVOLTAGE 0x189 -#define INTEL_MSIC_CHRCCURRENT 0x18a -#define INTEL_MSIC_SPCHARGER 0x18b -#define INTEL_MSIC_CHRTTIME 0x18c -#define INTEL_MSIC_CHRCTRL1 0x18d -#define INTEL_MSIC_PWRSRCLMT 0x18e -#define INTEL_MSIC_CHRSTWDT 0x18f -#define INTEL_MSIC_WDTWRITE 0x190 /* WO */ -#define INTEL_MSIC_CHRSAFELMT 0x191 -#define INTEL_MSIC_SPWRSRCINT 0x192 /* RO */ -#define INTEL_MSIC_SPWRSRCINT1 0x193 /* RO */ -#define INTEL_MSIC_CHRLEDPWM 0x194 -#define INTEL_MSIC_CHRLEDCTRL 0x195 - -/* ADC */ -#define INTEL_MSIC_ADC1CNTL1 0x1c0 -#define INTEL_MSIC_ADC1CNTL2 0x1c1 -#define INTEL_MSIC_ADC1CNTL3 0x1c2 -#define INTEL_MSIC_ADC1OFFSETH 0x1c3 /* RO */ -#define INTEL_MSIC_ADC1OFFSETL 0x1c4 /* RO */ -#define INTEL_MSIC_ADC1ADDR0 0x1c5 -#define INTEL_MSIC_ADC1ADDR1 0x1c6 -#define INTEL_MSIC_ADC1ADDR2 0x1c7 -#define INTEL_MSIC_ADC1ADDR3 0x1c8 -#define INTEL_MSIC_ADC1ADDR4 0x1c9 -#define INTEL_MSIC_ADC1ADDR5 0x1ca -#define INTEL_MSIC_ADC1ADDR6 0x1cb -#define INTEL_MSIC_ADC1ADDR7 0x1cc -#define INTEL_MSIC_ADC1ADDR8 0x1cd -#define INTEL_MSIC_ADC1ADDR9 0x1ce -#define INTEL_MSIC_ADC1ADDR10 0x1cf -#define INTEL_MSIC_ADC1ADDR11 0x1d0 -#define INTEL_MSIC_ADC1ADDR12 0x1d1 -#define INTEL_MSIC_ADC1ADDR13 0x1d2 -#define INTEL_MSIC_ADC1ADDR14 0x1d3 -#define INTEL_MSIC_ADC1SNS0H 0x1d4 /* RO */ -#define INTEL_MSIC_ADC1SNS0L 0x1d5 /* RO */ -#define INTEL_MSIC_ADC1SNS1H 0x1d6 /* RO */ -#define INTEL_MSIC_ADC1SNS1L 0x1d7 /* RO */ -#define INTEL_MSIC_ADC1SNS2H 0x1d8 /* RO */ -#define INTEL_MSIC_ADC1SNS2L 0x1d9 /* RO */ -#define INTEL_MSIC_ADC1SNS3H 0x1da /* RO */ -#define INTEL_MSIC_ADC1SNS3L 0x1db /* RO */ -#define INTEL_MSIC_ADC1SNS4H 0x1dc /* RO */ -#define INTEL_MSIC_ADC1SNS4L 0x1dd /* RO */ -#define INTEL_MSIC_ADC1SNS5H 0x1de /* RO */ -#define INTEL_MSIC_ADC1SNS5L 0x1df /* RO */ -#define INTEL_MSIC_ADC1SNS6H 0x1e0 /* RO */ -#define INTEL_MSIC_ADC1SNS6L 0x1e1 /* RO */ -#define INTEL_MSIC_ADC1SNS7H 0x1e2 /* RO */ -#define INTEL_MSIC_ADC1SNS7L 0x1e3 /* RO */ -#define INTEL_MSIC_ADC1SNS8H 0x1e4 /* RO */ -#define INTEL_MSIC_ADC1SNS8L 0x1e5 /* RO */ -#define INTEL_MSIC_ADC1SNS9H 0x1e6 /* RO */ -#define INTEL_MSIC_ADC1SNS9L 0x1e7 /* RO */ -#define INTEL_MSIC_ADC1SNS10H 0x1e8 /* RO */ -#define INTEL_MSIC_ADC1SNS10L 0x1e9 /* RO */ -#define INTEL_MSIC_ADC1SNS11H 0x1ea /* RO */ -#define INTEL_MSIC_ADC1SNS11L 0x1eb /* RO */ -#define INTEL_MSIC_ADC1SNS12H 0x1ec /* RO */ -#define INTEL_MSIC_ADC1SNS12L 0x1ed /* RO */ -#define INTEL_MSIC_ADC1SNS13H 0x1ee /* RO */ -#define INTEL_MSIC_ADC1SNS13L 0x1ef /* RO */ -#define INTEL_MSIC_ADC1SNS14H 0x1f0 /* RO */ -#define INTEL_MSIC_ADC1SNS14L 0x1f1 /* RO */ -#define INTEL_MSIC_ADC1BV0H 0x1f2 /* RO */ -#define INTEL_MSIC_ADC1BV0L 0x1f3 /* RO */ -#define INTEL_MSIC_ADC1BV1H 0x1f4 /* RO */ -#define INTEL_MSIC_ADC1BV1L 0x1f5 /* RO */ -#define INTEL_MSIC_ADC1BV2H 0x1f6 /* RO */ -#define INTEL_MSIC_ADC1BV2L 0x1f7 /* RO */ -#define INTEL_MSIC_ADC1BV3H 0x1f8 /* RO */ -#define INTEL_MSIC_ADC1BV3L 0x1f9 /* RO */ -#define INTEL_MSIC_ADC1BI0H 0x1fa /* RO */ -#define INTEL_MSIC_ADC1BI0L 0x1fb /* RO */ -#define INTEL_MSIC_ADC1BI1H 0x1fc /* RO */ -#define INTEL_MSIC_ADC1BI1L 0x1fd /* RO */ -#define INTEL_MSIC_ADC1BI2H 0x1fe /* RO */ -#define INTEL_MSIC_ADC1BI2L 0x1ff /* RO */ -#define INTEL_MSIC_ADC1BI3H 0x200 /* RO */ -#define INTEL_MSIC_ADC1BI3L 0x201 /* RO */ -#define INTEL_MSIC_CCCNTL 0x202 -#define INTEL_MSIC_CCOFFSETH 0x203 /* RO */ -#define INTEL_MSIC_CCOFFSETL 0x204 /* RO */ -#define INTEL_MSIC_CCADCHA 0x205 /* RO */ -#define INTEL_MSIC_CCADCLA 0x206 /* RO */ - -/* AUDIO */ -#define INTEL_MSIC_AUDPLLCTRL 0x240 -#define INTEL_MSIC_DMICBUF0123 0x241 -#define INTEL_MSIC_DMICBUF45 0x242 -#define INTEL_MSIC_DMICGPO 0x244 -#define INTEL_MSIC_DMICMUX 0x245 -#define INTEL_MSIC_DMICCLK 0x246 -#define INTEL_MSIC_MICBIAS 0x247 -#define INTEL_MSIC_ADCCONFIG 0x248 -#define INTEL_MSIC_MICAMP1 0x249 -#define INTEL_MSIC_MICAMP2 0x24a -#define INTEL_MSIC_NOISEMUX 0x24b -#define INTEL_MSIC_AUDIOMUX12 0x24c -#define INTEL_MSIC_AUDIOMUX34 0x24d -#define INTEL_MSIC_AUDIOSINC 0x24e -#define INTEL_MSIC_AUDIOTXEN 0x24f -#define INTEL_MSIC_HSEPRXCTRL 0x250 -#define INTEL_MSIC_IHFRXCTRL 0x251 -#define INTEL_MSIC_VOICETXVOL 0x252 -#define INTEL_MSIC_SIDETONEVOL 0x253 -#define INTEL_MSIC_MUSICSHARVOL 0x254 -#define INTEL_MSIC_VOICETXCTRL 0x255 -#define INTEL_MSIC_HSMIXER 0x256 -#define INTEL_MSIC_DACCONFIG 0x257 -#define INTEL_MSIC_SOFTMUTE 0x258 -#define INTEL_MSIC_HSLVOLCTRL 0x259 -#define INTEL_MSIC_HSRVOLCTRL 0x25a -#define INTEL_MSIC_IHFLVOLCTRL 0x25b -#define INTEL_MSIC_IHFRVOLCTRL 0x25c -#define INTEL_MSIC_DRIVEREN 0x25d -#define INTEL_MSIC_LINEOUTCTRL 0x25e -#define INTEL_MSIC_VIB1CTRL1 0x25f -#define INTEL_MSIC_VIB1CTRL2 0x260 -#define INTEL_MSIC_VIB1CTRL3 0x261 -#define INTEL_MSIC_VIB1SPIPCM_1 0x262 -#define INTEL_MSIC_VIB1SPIPCM_2 0x263 -#define INTEL_MSIC_VIB1CTRL5 0x264 -#define INTEL_MSIC_VIB2CTRL1 0x265 -#define INTEL_MSIC_VIB2CTRL2 0x266 -#define INTEL_MSIC_VIB2CTRL3 0x267 -#define INTEL_MSIC_VIB2SPIPCM_1 0x268 -#define INTEL_MSIC_VIB2SPIPCM_2 0x269 -#define INTEL_MSIC_VIB2CTRL5 0x26a -#define INTEL_MSIC_BTNCTRL1 0x26b -#define INTEL_MSIC_BTNCTRL2 0x26c -#define INTEL_MSIC_PCM1TXSLOT01 0x26d -#define INTEL_MSIC_PCM1TXSLOT23 0x26e -#define INTEL_MSIC_PCM1TXSLOT45 0x26f -#define INTEL_MSIC_PCM1RXSLOT0123 0x270 -#define INTEL_MSIC_PCM1RXSLOT045 0x271 -#define INTEL_MSIC_PCM2TXSLOT01 0x272 -#define INTEL_MSIC_PCM2TXSLOT23 0x273 -#define INTEL_MSIC_PCM2TXSLOT45 0x274 -#define INTEL_MSIC_PCM2RXSLOT01 0x275 -#define INTEL_MSIC_PCM2RXSLOT23 0x276 -#define INTEL_MSIC_PCM2RXSLOT45 0x277 -#define INTEL_MSIC_PCM1CTRL1 0x278 -#define INTEL_MSIC_PCM1CTRL2 0x279 -#define INTEL_MSIC_PCM1CTRL3 0x27a -#define INTEL_MSIC_PCM2CTRL1 0x27b -#define INTEL_MSIC_PCM2CTRL2 0x27c - -/* HDMI */ -#define INTEL_MSIC_HDMIPUEN 0x280 -#define INTEL_MSIC_HDMISTATUS 0x281 /* RO */ - -/* Physical address of the start of the MSIC interrupt tree in SRAM */ -#define INTEL_MSIC_IRQ_PHYS_BASE 0xffff7fc0 - -/** - * struct intel_msic_gpio_pdata - platform data for the MSIC GPIO driver - * @gpio_base: base number for the GPIOs - */ -struct intel_msic_gpio_pdata { - unsigned gpio_base; -}; - -/** - * struct intel_msic_ocd_pdata - platform data for the MSIC OCD driver - * @gpio: GPIO number used for OCD interrupts - * - * The MSIC MFD driver converts @gpio into an IRQ number and passes it to - * the OCD driver as %IORESOURCE_IRQ. - */ -struct intel_msic_ocd_pdata { - unsigned gpio; -}; - -/* MSIC embedded blocks (subdevices) */ -enum intel_msic_block { - INTEL_MSIC_BLOCK_TOUCH, - INTEL_MSIC_BLOCK_ADC, - INTEL_MSIC_BLOCK_BATTERY, - INTEL_MSIC_BLOCK_GPIO, - INTEL_MSIC_BLOCK_AUDIO, - INTEL_MSIC_BLOCK_HDMI, - INTEL_MSIC_BLOCK_THERMAL, - INTEL_MSIC_BLOCK_POWER_BTN, - INTEL_MSIC_BLOCK_OCD, - - INTEL_MSIC_BLOCK_LAST, -}; - -/** - * struct intel_msic_platform_data - platform data for the MSIC driver - * @irq: array of interrupt numbers, one per device. If @irq is set to %0 - * for a given block, the corresponding platform device is not - * created. For devices which don't have an interrupt, use %0xff - * (this is same as in SFI spec). - * @gpio: platform data for the MSIC GPIO driver - * @ocd: platform data for the MSIC OCD driver - * - * Once the MSIC driver is initialized, the register interface is ready to - * use. All the platform devices for subdevices are created after the - * register interface is ready so that we can guarantee its availability to - * the subdevice drivers. - * - * Interrupt numbers are passed to the subdevices via %IORESOURCE_IRQ - * resources of the created platform device. - */ -struct intel_msic_platform_data { - int irq[INTEL_MSIC_BLOCK_LAST]; - struct intel_msic_gpio_pdata *gpio; - struct intel_msic_ocd_pdata *ocd; -}; - -struct intel_msic; - -extern int intel_msic_reg_read(unsigned short reg, u8 *val); -extern int intel_msic_reg_write(unsigned short reg, u8 val); -extern int intel_msic_reg_update(unsigned short reg, u8 val, u8 mask); -extern int intel_msic_bulk_read(unsigned short *reg, u8 *buf, size_t count); -extern int intel_msic_bulk_write(unsigned short *reg, u8 *buf, size_t count); - -/* - * pdev_to_intel_msic - gets an MSIC instance from the platform device - * @pdev: platform device pointer - * - * The client drivers need to have pointer to the MSIC instance if they - * want to call intel_msic_irq_read(). This macro can be used for - * convenience to get the MSIC pointer from @pdev where needed. This is - * _only_ valid for devices which are managed by the MSIC. - */ -#define pdev_to_intel_msic(pdev) (dev_get_drvdata(pdev->dev.parent)) - -extern int intel_msic_irq_read(struct intel_msic *msic, unsigned short reg, - u8 *val); - -#endif /* __LINUX_MFD_INTEL_MSIC_H__ */ diff --git a/include/linux/mfd/iqs62x.h b/include/linux/mfd/iqs62x.h index 043d3b6de9ec..5ced55eae11b 100644 --- a/include/linux/mfd/iqs62x.h +++ b/include/linux/mfd/iqs62x.h @@ -28,7 +28,7 @@ #define IQS620_GLBL_EVENT_MASK_PMU BIT(6) #define IQS62X_NUM_KEYS 16 -#define IQS62X_NUM_EVENTS (IQS62X_NUM_KEYS + 5) +#define IQS62X_NUM_EVENTS (IQS62X_NUM_KEYS + 6) #define IQS62X_EVENT_SIZE 10 @@ -78,6 +78,7 @@ enum iqs62x_event_flag { /* everything else */ IQS62X_EVENT_SYS_RESET, + IQS62X_EVENT_SYS_ATI, }; struct iqs62x_event_data { @@ -97,12 +98,10 @@ struct iqs62x_dev_desc { const char *dev_name; const struct mfd_cell *sub_devs; int num_sub_devs; - u8 prod_num; u8 sw_num; const u8 *cal_regs; int num_cal_regs; - u8 prox_mask; u8 sar_mask; u8 hall_mask; @@ -110,16 +109,12 @@ struct iqs62x_dev_desc { u8 temp_mask; u8 als_mask; u8 ir_mask; - u8 prox_settings; u8 als_flags; u8 hall_flags; u8 hyst_shift; - u8 interval; u8 interval_div; - - u8 clk_div; const char *fw_name; const enum iqs62x_event_reg (*event_regs)[IQS62X_EVENT_SIZE]; }; @@ -130,8 +125,10 @@ struct iqs62x_core { struct regmap *regmap; struct blocking_notifier_head nh; struct list_head fw_blk_head; + struct completion ati_done; struct completion fw_done; enum iqs62x_ui_sel ui_sel; + unsigned long event_cache; }; extern const struct iqs62x_event_desc iqs62x_events[IQS62X_NUM_EVENTS]; diff --git a/include/linux/mfd/rohm-generic.h b/include/linux/mfd/rohm-generic.h index 4283b5b33e04..66f673c35303 100644 --- a/include/linux/mfd/rohm-generic.h +++ b/include/linux/mfd/rohm-generic.h @@ -12,6 +12,8 @@ enum rohm_chip_type { ROHM_CHIP_TYPE_BD71847, ROHM_CHIP_TYPE_BD70528, ROHM_CHIP_TYPE_BD71828, + ROHM_CHIP_TYPE_BD9571, + ROHM_CHIP_TYPE_BD9574, ROHM_CHIP_TYPE_AMOUNT }; @@ -20,14 +22,12 @@ struct rohm_regmap_dev { struct regmap *regmap; }; -enum { - ROHM_DVS_LEVEL_UNKNOWN, - ROHM_DVS_LEVEL_RUN, - ROHM_DVS_LEVEL_IDLE, - ROHM_DVS_LEVEL_SUSPEND, - ROHM_DVS_LEVEL_LPSR, - ROHM_DVS_LEVEL_MAX = ROHM_DVS_LEVEL_LPSR, -}; +#define ROHM_DVS_LEVEL_RUN BIT(0) +#define ROHM_DVS_LEVEL_IDLE BIT(1) +#define ROHM_DVS_LEVEL_SUSPEND BIT(2) +#define ROHM_DVS_LEVEL_LPSR BIT(3) +#define ROHM_DVS_LEVEL_VALID_AMOUNT 4 +#define ROHM_DVS_LEVEL_UNKNOWN 0 /** * struct rohm_dvs_config - dynamic voltage scaling register descriptions diff --git a/include/linux/mhi.h b/include/linux/mhi.h index 562862ff819c..d26acc8b21cd 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -279,7 +279,7 @@ struct mhi_controller_config { u32 num_channels; const struct mhi_channel_config *ch_cfg; u32 num_events; - const struct mhi_event_config *event_cfg; + struct mhi_event_config *event_cfg; bool use_bounce_buf; bool m2_no_db; }; @@ -347,12 +347,14 @@ struct mhi_controller_config { * @unmap_single: CB function to destroy TRE buffer * @read_reg: Read a MHI register via the physical link (required) * @write_reg: Write a MHI register via the physical link (required) + * @reset: Controller specific reset function (optional) * @buffer_len: Bounce buffer length * @index: Index of the MHI controller instance * @bounce_buf: Use of bounce buffer * @fbc_download: MHI host needs to do complete image transfer (optional) * @pre_init: MHI host needs to do pre-initialization before power up * @wake_set: Device wakeup set flag + * @irq_flags: irq flags passed to request_irq (optional) * * Fields marked as (required) need to be populated by the controller driver * before calling mhi_register_controller(). For the fields marked as (optional) @@ -437,6 +439,7 @@ struct mhi_controller { u32 *out); void (*write_reg)(struct mhi_controller *mhi_cntrl, void __iomem *addr, u32 val); + void (*reset)(struct mhi_controller *mhi_cntrl); size_t buffer_len; int index; @@ -444,6 +447,7 @@ struct mhi_controller { bool fbc_download; bool pre_init; bool wake_set; + unsigned long irq_flags; }; /** @@ -599,6 +603,15 @@ void mhi_set_mhi_state(struct mhi_controller *mhi_cntrl, void mhi_notify(struct mhi_device *mhi_dev, enum mhi_callback cb_reason); /** + * mhi_get_free_desc_count - Get transfer ring length + * Get # of TD available to queue buffers + * @mhi_dev: Device associated with the channels + * @dir: Direction of the channel + */ +int mhi_get_free_desc_count(struct mhi_device *mhi_dev, + enum dma_data_direction dir); + +/** * mhi_prepare_for_power_up - Do pre-initialization before power up. * This is optional, call this before power up if * the controller does not want bus framework to @@ -673,6 +686,13 @@ enum mhi_ee_type mhi_get_exec_env(struct mhi_controller *mhi_cntrl); enum mhi_state mhi_get_mhi_state(struct mhi_controller *mhi_cntrl); /** + * mhi_soc_reset - Trigger a device reset. This can be used as a last resort + * to reset and recover a device. + * @mhi_cntrl: MHI controller + */ +void mhi_soc_reset(struct mhi_controller *mhi_cntrl); + +/** * mhi_device_get - Disable device low power mode * @mhi_dev: Device associated with the channel */ diff --git a/include/linux/migrate.h b/include/linux/migrate.h index 4594838a0f7c..3a389633b68f 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -89,7 +89,7 @@ extern int PageMovable(struct page *page); extern void __SetPageMovable(struct page *page, struct address_space *mapping); extern void __ClearPageMovable(struct page *page); #else -static inline int PageMovable(struct page *page) { return 0; }; +static inline int PageMovable(struct page *page) { return 0; } static inline void __SetPageMovable(struct page *page, struct address_space *mapping) { diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index f1de49d64a98..dc3d2508f5c6 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -359,6 +359,10 @@ enum mlx5_event { MLX5_EVENT_TYPE_MAX = 0x100, }; +enum mlx5_driver_event { + MLX5_DRIVER_EVENT_TYPE_TRAP = 0, +}; + enum { MLX5_TRACER_SUBTYPE_OWNERSHIP_CHANGE = 0x0, MLX5_TRACER_SUBTYPE_TRACES_AVAILABLE = 0x1, @@ -578,7 +582,10 @@ struct mlx5_init_seg { __be32 internal_timer_l; __be32 rsvd3[2]; __be32 health_counter; - __be32 rsvd4[1019]; + __be32 rsvd4[11]; + __be32 real_time_h; + __be32 real_time_l; + __be32 rsvd5[1006]; __be64 ieee1588_clk; __be32 ieee1588_clk_type; __be32 clr_intx; @@ -899,6 +906,11 @@ static inline u64 get_cqe_ts(struct mlx5_cqe64 *cqe) return (u64)lo | ((u64)hi << 32); } +static inline u16 get_cqe_flow_tag(struct mlx5_cqe64 *cqe) +{ + return be32_to_cpu(cqe->sop_drop_qpn) & 0xFFF; +} + #define MLX5_MPWQE_LOG_NUM_STRIDES_BASE (9) #define MLX5_MPWQE_LOG_STRIDE_SZ_BASE (6) diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 4672e12f1aa5..53b89631a1d9 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -143,6 +143,7 @@ enum { MLX5_REG_MPCNT = 0x9051, MLX5_REG_MTPPS = 0x9053, MLX5_REG_MTPPSE = 0x9054, + MLX5_REG_MTUTC = 0x9055, MLX5_REG_MPEGC = 0x9056, MLX5_REG_MCQS = 0x9060, MLX5_REG_MCQI = 0x9061, @@ -193,7 +194,8 @@ enum port_state_policy { enum mlx5_coredev_type { MLX5_COREDEV_PF, - MLX5_COREDEV_VF + MLX5_COREDEV_VF, + MLX5_COREDEV_SF, }; struct mlx5_field_desc { @@ -305,13 +307,6 @@ struct mlx5_cmd { struct mlx5_cmd_stats *stats; }; -struct mlx5_port_caps { - int gid_table_len; - int pkey_table_len; - u8 ext_port_cap; - bool has_smi; -}; - struct mlx5_cmd_mailbox { void *buf; dma_addr_t dma; @@ -373,6 +368,8 @@ struct mlx5_core_mkey { u32 key; u32 pd; u32 type; + struct wait_queue_head wait; + refcount_t usecount; }; #define MLX5_24BIT_MASK ((1 << 24) - 1) @@ -507,6 +504,10 @@ struct mlx5_devcom; struct mlx5_fw_reset; struct mlx5_eq_table; struct mlx5_irq_table; +struct mlx5_vhca_state_notifier; +struct mlx5_sf_dev_table; +struct mlx5_sf_hw_table; +struct mlx5_sf_table; struct mlx5_rate_limit { u32 rate; @@ -564,6 +565,7 @@ struct mlx5_priv { int host_pf_pages; struct mlx5_core_health health; + struct list_head traps; /* start: qp staff */ struct dentry *qp_debugfs; @@ -582,7 +584,6 @@ struct mlx5_priv { /* end: alloc staff */ struct dentry *dbg_root; - struct list_head dev_list; struct list_head ctx_list; spinlock_t ctx_lock; struct mlx5_adev **adev; @@ -603,6 +604,15 @@ struct mlx5_priv { struct mlx5_bfreg_data bfregs; struct mlx5_uars_page *uar; +#ifdef CONFIG_MLX5_SF + struct mlx5_vhca_state_notifier *vhca_state_notifier; + struct mlx5_sf_dev_table *sf_dev_table; + struct mlx5_core_dev *parent_mdev; +#endif +#ifdef CONFIG_MLX5_SF_MANAGER + struct mlx5_sf_hw_table *sf_hw_table; + struct mlx5_sf_table *sf_table; +#endif }; enum mlx5_device_state { @@ -661,18 +671,22 @@ struct mlx5_pps { u8 enabled; }; -struct mlx5_clock { - struct mlx5_nb pps_nb; - seqlock_t lock; +struct mlx5_timer { struct cyclecounter cycles; struct timecounter tc; - struct hwtstamp_config hwtstamp_config; u32 nominal_c_mult; unsigned long overflow_period; struct delayed_work overflow_work; +}; + +struct mlx5_clock { + struct mlx5_nb pps_nb; + seqlock_t lock; + struct hwtstamp_config hwtstamp_config; struct ptp_clock *ptp; struct ptp_clock_info ptp_info; struct mlx5_pps pps_info; + struct mlx5_timer timer; }; struct mlx5_dm; @@ -694,7 +708,6 @@ struct mlx5_core_dev { u8 rev_id; char board_id[MLX5_BOARD_ID_LEN]; struct mlx5_cmd cmd; - struct mlx5_port_caps port_caps[MLX5_MAX_PORTS]; struct { u32 hca_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)]; u32 hca_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)]; @@ -1072,11 +1085,26 @@ enum { MAX_MR_CACHE_ENTRIES }; +/* Async-atomic event notifier used by mlx5 core to forward FW + * evetns recived from event queue to mlx5 consumers. + * Optimise event queue dipatching. + */ int mlx5_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb); int mlx5_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb); + +/* Async-atomic event notifier used for forwarding + * evetns from the event queue into the to mlx5 events dispatcher, + * eswitch, clock and others. + */ int mlx5_eq_notifier_register(struct mlx5_core_dev *dev, struct mlx5_nb *nb); int mlx5_eq_notifier_unregister(struct mlx5_core_dev *dev, struct mlx5_nb *nb); +/* Blocking event notifier used to forward SW events, used for slow path */ +int mlx5_blocking_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb); +int mlx5_blocking_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb); +int mlx5_blocking_notifier_call_chain(struct mlx5_core_dev *dev, unsigned int event, + void *data); + int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id); int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev); diff --git a/include/linux/mlx5/eswitch.h b/include/linux/mlx5/eswitch.h index 29fd832950e0..994c2c8cb4fd 100644 --- a/include/linux/mlx5/eswitch.h +++ b/include/linux/mlx5/eswitch.h @@ -96,6 +96,35 @@ static inline u32 mlx5_eswitch_get_vport_metadata_mask(void) u32 mlx5_eswitch_get_vport_metadata_for_match(struct mlx5_eswitch *esw, u16 vport_num); +u32 mlx5_eswitch_get_vport_metadata_for_set(struct mlx5_eswitch *esw, + u16 vport_num); + +/* Reg C1 usage: + * Reg C1 = < ESW_TUN_ID(12) | ESW_TUN_OPTS(12) | ESW_ZONE_ID(8) > + * + * Highest 12 bits of reg c1 is the encapsulation tunnel id, next 12 bits is + * encapsulation tunnel options, and the lowest 8 bits are used for zone id. + * + * Zone id is used to restore CT flow when packet misses on chain. + * + * Tunnel id and options are used together to restore the tunnel info metadata + * on miss and to support inner header rewrite by means of implicit chain 0 + * flows. + */ +#define ESW_ZONE_ID_BITS 8 +#define ESW_TUN_OPTS_BITS 12 +#define ESW_TUN_ID_BITS 12 +#define ESW_TUN_OPTS_OFFSET ESW_ZONE_ID_BITS +#define ESW_TUN_OFFSET ESW_TUN_OPTS_OFFSET +#define ESW_ZONE_ID_MASK GENMASK(ESW_ZONE_ID_BITS - 1, 0) +#define ESW_TUN_OPTS_MASK GENMASK(32 - ESW_TUN_ID_BITS - 1, ESW_TUN_OPTS_OFFSET) +#define ESW_TUN_MASK GENMASK(31, ESW_TUN_OFFSET) +#define ESW_TUN_ID_SLOW_TABLE_GOTO_VPORT 0 /* 0 is not a valid tunnel id */ +#define ESW_TUN_OPTS_SLOW_TABLE_GOTO_VPORT 0xFFF /* 0xFFF is a reserved mapping */ +#define ESW_TUN_SLOW_TABLE_GOTO_VPORT ((ESW_TUN_ID_SLOW_TABLE_GOTO_VPORT << ESW_TUN_OPTS_BITS) | \ + ESW_TUN_OPTS_SLOW_TABLE_GOTO_VPORT) +#define ESW_TUN_SLOW_TABLE_GOTO_VPORT_MARK ESW_TUN_OPTS_MASK + u8 mlx5_eswitch_mode(struct mlx5_core_dev *dev); #else /* CONFIG_MLX5_ESWITCH */ diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 442c0160caab..df5d91c8b2d4 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -842,11 +842,16 @@ struct mlx5_ifc_qos_cap_bits { u8 reserved_at_4[0x1]; u8 packet_pacing_burst_bound[0x1]; u8 packet_pacing_typical_size[0x1]; - u8 reserved_at_7[0x4]; + u8 reserved_at_7[0x1]; + u8 nic_sq_scheduling[0x1]; + u8 nic_bw_share[0x1]; + u8 nic_rate_limit[0x1]; u8 packet_pacing_uid[0x1]; u8 reserved_at_c[0x14]; - u8 reserved_at_20[0x20]; + u8 reserved_at_20[0xb]; + u8 log_max_qos_nic_queue_group[0x5]; + u8 reserved_at_30[0x10]; u8 packet_pacing_max_rate[0x20]; @@ -932,11 +937,18 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits { u8 reserved_at_200[0x600]; }; +enum { + MLX5_QP_TIMESTAMP_FORMAT_CAP_FREE_RUNNING = 0x0, + MLX5_QP_TIMESTAMP_FORMAT_CAP_REAL_TIME = 0x1, + MLX5_QP_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME = 0x2, +}; + struct mlx5_ifc_roce_cap_bits { u8 roce_apm[0x1]; u8 reserved_at_1[0x3]; u8 sw_r_roce_src_udp_port[0x1]; - u8 reserved_at_5[0x1b]; + u8 reserved_at_5[0x19]; + u8 qp_ts_format[0x2]; u8 reserved_at_20[0x60]; @@ -1253,6 +1265,18 @@ enum { MLX5_STEERING_FORMAT_CONNECTX_6DX = 1, }; +enum { + MLX5_SQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING = 0x0, + MLX5_SQ_TIMESTAMP_FORMAT_CAP_REAL_TIME = 0x1, + MLX5_SQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME = 0x2, +}; + +enum { + MLX5_RQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING = 0x0, + MLX5_RQ_TIMESTAMP_FORMAT_CAP_REAL_TIME = 0x1, + MLX5_RQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME = 0x2, +}; + struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_0[0x1f]; u8 vhca_resource_manager[0x1]; @@ -1278,7 +1302,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_a0[0x3]; u8 ece_support[0x1]; - u8 reserved_at_a4[0x7]; + u8 reserved_at_a4[0x5]; + u8 reg_c_preserve[0x1]; + u8 reserved_at_aa[0x1]; u8 log_max_srq[0x5]; u8 reserved_at_b0[0x1]; u8 uplink_follow[0x1]; @@ -1564,7 +1590,8 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 general_obj_types[0x40]; - u8 reserved_at_440[0x4]; + u8 sq_ts_format[0x2]; + u8 rq_ts_format[0x2]; u8 steering_format_version[0x4]; u8 create_qp_start_hint[0x18]; @@ -1634,7 +1661,8 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 sf_set_partition[0x1]; u8 reserved_at_682[0x1]; u8 log_max_sf[0x5]; - u8 reserved_at_688[0x8]; + u8 apu[0x1]; + u8 reserved_at_689[0x7]; u8 log_min_sf_size[0x8]; u8 max_num_sf_partitions[0x8]; @@ -2868,6 +2896,12 @@ enum { MLX5_QPC_CS_RES_UP_TO_64B = 0x2, }; +enum { + MLX5_QPC_TIMESTAMP_FORMAT_FREE_RUNNING = 0x0, + MLX5_QPC_TIMESTAMP_FORMAT_DEFAULT = 0x1, + MLX5_QPC_TIMESTAMP_FORMAT_REAL_TIME = 0x2, +}; + struct mlx5_ifc_qpc_bits { u8 state[0x4]; u8 lag_tx_port_affinity[0x4]; @@ -2896,7 +2930,9 @@ struct mlx5_ifc_qpc_bits { u8 log_rq_stride[0x3]; u8 no_sq[0x1]; u8 log_sq_size[0x4]; - u8 reserved_at_55[0x6]; + u8 reserved_at_55[0x3]; + u8 ts_format[0x2]; + u8 reserved_at_5a[0x1]; u8 rlky[0x1]; u8 ulp_stateless_offload_mode[0x4]; @@ -3312,6 +3348,12 @@ enum { MLX5_SQC_STATE_ERR = 0x3, }; +enum { + MLX5_SQC_TIMESTAMP_FORMAT_FREE_RUNNING = 0x0, + MLX5_SQC_TIMESTAMP_FORMAT_DEFAULT = 0x1, + MLX5_SQC_TIMESTAMP_FORMAT_REAL_TIME = 0x2, +}; + struct mlx5_ifc_sqc_bits { u8 rlky[0x1]; u8 cd_master[0x1]; @@ -3323,7 +3365,9 @@ struct mlx5_ifc_sqc_bits { u8 reg_umr[0x1]; u8 allow_swp[0x1]; u8 hairpin[0x1]; - u8 reserved_at_f[0x11]; + u8 reserved_at_f[0xb]; + u8 ts_format[0x2]; + u8 reserved_at_1c[0x4]; u8 reserved_at_20[0x8]; u8 user_index[0x18]; @@ -3345,7 +3389,7 @@ struct mlx5_ifc_sqc_bits { u8 reserved_at_e0[0x10]; u8 packet_pacing_rate_limit_index[0x10]; u8 tis_lst_sz[0x10]; - u8 reserved_at_110[0x10]; + u8 qos_queue_group_id[0x10]; u8 reserved_at_120[0x40]; @@ -3360,6 +3404,7 @@ enum { SCHEDULING_CONTEXT_ELEMENT_TYPE_VPORT = 0x1, SCHEDULING_CONTEXT_ELEMENT_TYPE_VPORT_TC = 0x2, SCHEDULING_CONTEXT_ELEMENT_TYPE_PARA_VPORT_TC = 0x3, + SCHEDULING_CONTEXT_ELEMENT_TYPE_QUEUE_GROUP = 0x4, }; enum { @@ -3414,6 +3459,12 @@ enum { MLX5_RQC_STATE_ERR = 0x3, }; +enum { + MLX5_RQC_TIMESTAMP_FORMAT_FREE_RUNNING = 0x0, + MLX5_RQC_TIMESTAMP_FORMAT_DEFAULT = 0x1, + MLX5_RQC_TIMESTAMP_FORMAT_REAL_TIME = 0x2, +}; + struct mlx5_ifc_rqc_bits { u8 rlky[0x1]; u8 delay_drop_en[0x1]; @@ -3424,7 +3475,9 @@ struct mlx5_ifc_rqc_bits { u8 reserved_at_c[0x1]; u8 flush_in_error_en[0x1]; u8 hairpin[0x1]; - u8 reserved_at_f[0x11]; + u8 reserved_at_f[0xb]; + u8 ts_format[0x2]; + u8 reserved_at_1c[0x4]; u8 reserved_at_20[0x8]; u8 user_index[0x18]; @@ -3816,7 +3869,7 @@ struct mlx5_ifc_cqc_bits { u8 status[0x4]; u8 reserved_at_4[0x2]; u8 dbr_umem_valid[0x1]; - u8 reserved_at_7[0x1]; + u8 apu_thread_cq[0x1]; u8 cqe_sz[0x3]; u8 cc[0x1]; u8 reserved_at_c[0x1]; @@ -4803,6 +4856,7 @@ struct mlx5_ifc_query_scheduling_element_out_bits { enum { SCHEDULING_HIERARCHY_E_SWITCH = 0x2, + SCHEDULING_HIERARCHY_NIC = 0x3, }; struct mlx5_ifc_query_scheduling_element_in_bits { @@ -5904,6 +5958,18 @@ struct mlx5_ifc_dealloc_modify_header_context_in_bits { u8 reserved_at_60[0x20]; }; +struct mlx5_ifc_query_modify_header_context_in_bits { + u8 opcode[0x10]; + u8 uid[0x10]; + + u8 reserved_at_20[0x10]; + u8 op_mod[0x10]; + + u8 modify_header_id[0x20]; + + u8 reserved_at_60[0xa0]; +}; + struct mlx5_ifc_query_dct_out_bits { u8 status[0x8]; u8 reserved_at_8[0x18]; @@ -9094,6 +9160,28 @@ struct mlx5_ifc_mpegc_reg_bits { u8 reserved_at_60[0x100]; }; +enum { + MLX5_MTUTC_OPERATION_SET_TIME_IMMEDIATE = 0x1, + MLX5_MTUTC_OPERATION_ADJUST_TIME = 0x2, + MLX5_MTUTC_OPERATION_ADJUST_FREQ_UTC = 0x3, +}; + +struct mlx5_ifc_mtutc_reg_bits { + u8 reserved_at_0[0x1c]; + u8 operation[0x4]; + + u8 freq_adjustment[0x20]; + + u8 reserved_at_40[0x40]; + + u8 utc_sec[0x20]; + + u8 reserved_at_a0[0x2]; + u8 utc_nsec[0x1e]; + + u8 time_adjustment[0x20]; +}; + struct mlx5_ifc_pcam_enhanced_features_bits { u8 reserved_at_0[0x68]; u8 fec_50G_per_lane_in_pplm[0x1]; @@ -9152,7 +9240,9 @@ struct mlx5_ifc_pcam_reg_bits { }; struct mlx5_ifc_mcam_enhanced_features_bits { - u8 reserved_at_0[0x6e]; + u8 reserved_at_0[0x6b]; + u8 ptpcyc2realtime_modify[0x1]; + u8 reserved_at_6c[0x2]; u8 pci_status_and_power[0x1]; u8 reserved_at_6f[0x5]; u8 mark_tx_action_cnp[0x1]; @@ -9175,7 +9265,8 @@ struct mlx5_ifc_mcam_access_reg_bits { u8 regs_95_to_87[0x9]; u8 mpegc[0x1]; - u8 regs_85_to_68[0x12]; + u8 mtutc[0x1]; + u8 regs_84_to_68[0x11]; u8 tracer_registers[0x4]; u8 regs_63_to_32[0x20]; @@ -9908,6 +9999,7 @@ union mlx5_ifc_ports_control_registers_document_bits { struct mlx5_ifc_mcda_reg_bits mcda_reg; struct mlx5_ifc_mirc_reg_bits mirc_reg; struct mlx5_ifc_mfrl_reg_bits mfrl_reg; + struct mlx5_ifc_mtutc_reg_bits mtutc_reg; u8 reserved_at_0[0x60e0]; }; diff --git a/include/linux/mm-arch-hooks.h b/include/linux/mm-arch-hooks.h deleted file mode 100644 index 9c4bedc95504..000000000000 --- a/include/linux/mm-arch-hooks.h +++ /dev/null @@ -1,22 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Generic mm no-op hooks. - * - * Copyright (C) 2015, IBM Corporation - * Author: Laurent Dufour <ldufour@linux.vnet.ibm.com> - */ -#ifndef _LINUX_MM_ARCH_HOOKS_H -#define _LINUX_MM_ARCH_HOOKS_H - -#include <asm/mm-arch-hooks.h> - -#ifndef arch_remap -static inline void arch_remap(struct mm_struct *mm, - unsigned long old_start, unsigned long old_end, - unsigned long new_start, unsigned long new_end) -{ -} -#define arch_remap arch_remap -#endif - -#endif /* _LINUX_MM_ARCH_HOOKS_H */ diff --git a/include/linux/mm.h b/include/linux/mm.h index ecdf8a8cd6ae..64a71bf20536 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -514,11 +514,14 @@ static inline bool fault_flag_allow_retry_first(unsigned int flags) * pgoff should be used in favour of virtual_address, if possible. */ struct vm_fault { - struct vm_area_struct *vma; /* Target VMA */ - unsigned int flags; /* FAULT_FLAG_xxx flags */ - gfp_t gfp_mask; /* gfp mask to be used for allocations */ - pgoff_t pgoff; /* Logical page offset based on vma */ - unsigned long address; /* Faulting virtual address */ + const struct { + struct vm_area_struct *vma; /* Target VMA */ + gfp_t gfp_mask; /* gfp mask to be used for allocations */ + pgoff_t pgoff; /* Logical page offset based on vma */ + unsigned long address; /* Faulting virtual address */ + }; + unsigned int flags; /* FAULT_FLAG_xxx flags + * XXX: should really be 'const' */ pmd_t *pmd; /* Pointer to pmd entry matching * the 'address' */ pud_t *pud; /* Pointer to pud entry matching @@ -542,8 +545,8 @@ struct vm_fault { * is not NULL, otherwise pmd. */ pgtable_t prealloc_pte; /* Pre-allocated pte page table. - * vm_ops->map_pages() calls - * alloc_set_pte() from atomic context. + * vm_ops->map_pages() sets up a page + * table from atomic context. * do_fault_around() pre-allocates * page table to avoid allocation from * atomic context. @@ -578,7 +581,7 @@ struct vm_operations_struct { vm_fault_t (*fault)(struct vm_fault *vmf); vm_fault_t (*huge_fault)(struct vm_fault *vmf, enum page_entry_size pe_size); - void (*map_pages)(struct vm_fault *vmf, + vm_fault_t (*map_pages)(struct vm_fault *vmf, pgoff_t start_pgoff, pgoff_t end_pgoff); unsigned long (*pagesize)(struct vm_area_struct * area); @@ -590,7 +593,8 @@ struct vm_operations_struct { vm_fault_t (*pfn_mkwrite)(struct vm_fault *vmf); /* called by access_process_vm when get_user_pages() fails, typically - * for use by special VMAs that can switch between memory and hardware + * for use by special VMAs. See also generic_access_phys() for a generic + * implementation useful for any iomem mapping. */ int (*access)(struct vm_area_struct *vma, unsigned long addr, void *buf, int len, int write); @@ -988,7 +992,9 @@ static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma) return pte; } -vm_fault_t alloc_set_pte(struct vm_fault *vmf, struct page *page); +vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page); +void do_set_pte(struct vm_fault *vmf, struct page *page, unsigned long addr); + vm_fault_t finish_fault(struct vm_fault *vmf); vm_fault_t finish_mkwrite_fault(struct vm_fault *vmf); #endif @@ -1181,6 +1187,9 @@ static inline void get_page(struct page *page) } bool __must_check try_grab_page(struct page *page, unsigned int flags); +__maybe_unused struct page *try_grab_compound_head(struct page *page, int refs, + unsigned int flags); + static inline __must_check bool try_get_page(struct page *page) { @@ -1291,6 +1300,27 @@ static inline bool page_maybe_dma_pinned(struct page *page) GUP_PIN_COUNTING_BIAS; } +static inline bool is_cow_mapping(vm_flags_t flags) +{ + return (flags & (VM_SHARED | VM_MAYWRITE)) == VM_MAYWRITE; +} + +/* + * This should most likely only be called during fork() to see whether we + * should break the cow immediately for a page on the src mm. + */ +static inline bool page_needs_cow_for_dma(struct vm_area_struct *vma, + struct page *page) +{ + if (!is_cow_mapping(vma->vm_flags)) + return false; + + if (!atomic_read(&vma->vm_mm->has_pinned)) + return false; + + return page_maybe_dma_pinned(page); +} + #if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP) #define SECTION_IN_PAGE_FLAGS #endif @@ -1584,7 +1614,7 @@ struct address_space *page_mapping_file(struct page *page); * ALLOC_NO_WATERMARKS and the low watermark was not * met implying that the system is under some pressure. */ -static inline bool page_is_pfmemalloc(struct page *page) +static inline bool page_is_pfmemalloc(const struct page *page) { /* * Page index cannot be this large so this must be @@ -1658,9 +1688,11 @@ void free_pgd_range(struct mmu_gather *tlb, unsigned long addr, unsigned long end, unsigned long floor, unsigned long ceiling); int copy_page_range(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma); +int follow_invalidate_pte(struct mm_struct *mm, unsigned long address, + struct mmu_notifier_range *range, pte_t **ptepp, + pmd_t **pmdpp, spinlock_t **ptlp); int follow_pte(struct mm_struct *mm, unsigned long address, - struct mmu_notifier_range *range, pte_t **ptepp, pmd_t **pmdpp, - spinlock_t **ptlp); + pte_t **ptepp, spinlock_t **ptlp); int follow_pfn(struct vm_area_struct *vma, unsigned long address, unsigned long *pfn); int follow_phys(struct vm_area_struct *vma, unsigned long address, @@ -1754,48 +1786,6 @@ int account_locked_vm(struct mm_struct *mm, unsigned long pages, bool inc); int __account_locked_vm(struct mm_struct *mm, unsigned long pages, bool inc, struct task_struct *task, bool bypass_rlim); -/* Container for pinned pfns / pages */ -struct frame_vector { - unsigned int nr_allocated; /* Number of frames we have space for */ - unsigned int nr_frames; /* Number of frames stored in ptrs array */ - bool got_ref; /* Did we pin pages by getting page ref? */ - bool is_pfns; /* Does array contain pages or pfns? */ - void *ptrs[]; /* Array of pinned pfns / pages. Use - * pfns_vector_pages() or pfns_vector_pfns() - * for access */ -}; - -struct frame_vector *frame_vector_create(unsigned int nr_frames); -void frame_vector_destroy(struct frame_vector *vec); -int get_vaddr_frames(unsigned long start, unsigned int nr_pfns, - unsigned int gup_flags, struct frame_vector *vec); -void put_vaddr_frames(struct frame_vector *vec); -int frame_vector_to_pages(struct frame_vector *vec); -void frame_vector_to_pfns(struct frame_vector *vec); - -static inline unsigned int frame_vector_count(struct frame_vector *vec) -{ - return vec->nr_frames; -} - -static inline struct page **frame_vector_pages(struct frame_vector *vec) -{ - if (vec->is_pfns) { - int err = frame_vector_to_pages(vec); - - if (err) - return ERR_PTR(err); - } - return (struct page **)(vec->ptrs); -} - -static inline unsigned long *frame_vector_pfns(struct frame_vector *vec) -{ - if (!vec->is_pfns) - frame_vector_to_pfns(vec); - return (unsigned long *)(vec->ptrs); -} - struct kvec; int get_kernel_pages(const struct kvec *iov, int nr_pages, int write, struct page **pages); @@ -2344,32 +2334,20 @@ extern void free_initmem(void); extern unsigned long free_reserved_area(void *start, void *end, int poison, const char *s); -#ifdef CONFIG_HIGHMEM -/* - * Free a highmem page into the buddy system, adjusting totalhigh_pages - * and totalram_pages. - */ -extern void free_highmem_page(struct page *page); -#endif - extern void adjust_managed_page_count(struct page *page, long count); extern void mem_init_print_info(const char *str); extern void reserve_bootmem_region(phys_addr_t start, phys_addr_t end); /* Free the reserved page into the buddy system, so it gets managed. */ -static inline void __free_reserved_page(struct page *page) +static inline void free_reserved_page(struct page *page) { ClearPageReserved(page); init_page_count(page); __free_page(page); -} - -static inline void free_reserved_page(struct page *page) -{ - __free_reserved_page(page); adjust_managed_page_count(page, 1); } +#define free_highmem_page(page) free_reserved_page(page) static inline void mark_page_reserved(struct page *page) { @@ -2439,9 +2417,10 @@ extern int __meminit early_pfn_to_nid(unsigned long pfn); #endif extern void set_dma_reserve(unsigned long new_dma_reserve); -extern void memmap_init_zone(unsigned long, int, unsigned long, +extern void memmap_init_range(unsigned long, int, unsigned long, unsigned long, unsigned long, enum meminit_context, struct vmem_altmap *, int migratetype); +extern void memmap_init_zone(struct zone *zone); extern void setup_per_zone_wmarks(void); extern int __meminit init_per_zone_wmark_min(void); extern void mem_init(void); @@ -2622,7 +2601,7 @@ extern void truncate_inode_pages_final(struct address_space *); /* generic vm_area_ops exported for stackable file systems */ extern vm_fault_t filemap_fault(struct vm_fault *vmf); -extern void filemap_map_pages(struct vm_fault *vmf, +extern vm_fault_t filemap_map_pages(struct vm_fault *vmf, pgoff_t start_pgoff, pgoff_t end_pgoff); extern vm_fault_t filemap_page_mkwrite(struct vm_fault *vmf); @@ -3177,5 +3156,7 @@ unsigned long wp_shared_mapping_range(struct address_space *mapping, extern int sysctl_nr_trim_pages; +void mem_dump_obj(void *object); + #endif /* __KERNEL__ */ #endif /* _LINUX_MM_H */ diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h index 8fc71e9d7bb0..355ea1ee32bd 100644 --- a/include/linux/mm_inline.h +++ b/include/linux/mm_inline.h @@ -24,7 +24,7 @@ static inline int page_is_file_lru(struct page *page) return !PageSwapBacked(page); } -static __always_inline void __update_lru_size(struct lruvec *lruvec, +static __always_inline void update_lru_size(struct lruvec *lruvec, enum lru_list lru, enum zone_type zid, int nr_pages) { @@ -33,76 +33,27 @@ static __always_inline void __update_lru_size(struct lruvec *lruvec, __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); __mod_zone_page_state(&pgdat->node_zones[zid], NR_ZONE_LRU_BASE + lru, nr_pages); -} - -static __always_inline void update_lru_size(struct lruvec *lruvec, - enum lru_list lru, enum zone_type zid, - int nr_pages) -{ - __update_lru_size(lruvec, lru, zid, nr_pages); #ifdef CONFIG_MEMCG mem_cgroup_update_lru_size(lruvec, lru, zid, nr_pages); #endif } -static __always_inline void add_page_to_lru_list(struct page *page, - struct lruvec *lruvec, enum lru_list lru) -{ - update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page)); - list_add(&page->lru, &lruvec->lists[lru]); -} - -static __always_inline void add_page_to_lru_list_tail(struct page *page, - struct lruvec *lruvec, enum lru_list lru) -{ - update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page)); - list_add_tail(&page->lru, &lruvec->lists[lru]); -} - -static __always_inline void del_page_from_lru_list(struct page *page, - struct lruvec *lruvec, enum lru_list lru) -{ - list_del(&page->lru); - update_lru_size(lruvec, lru, page_zonenum(page), -thp_nr_pages(page)); -} - /** - * page_lru_base_type - which LRU list type should a page be on? - * @page: the page to test - * - * Used for LRU list index arithmetic. - * - * Returns the base LRU type - file or anon - @page should be on. + * __clear_page_lru_flags - clear page lru flags before releasing a page + * @page: the page that was on lru and now has a zero reference */ -static inline enum lru_list page_lru_base_type(struct page *page) +static __always_inline void __clear_page_lru_flags(struct page *page) { - if (page_is_file_lru(page)) - return LRU_INACTIVE_FILE; - return LRU_INACTIVE_ANON; -} + VM_BUG_ON_PAGE(!PageLRU(page), page); -/** - * page_off_lru - which LRU list was page on? clearing its lru flags. - * @page: the page to test - * - * Returns the LRU list a page was on, as an index into the array of LRU - * lists; and clears its Unevictable or Active flags, ready for freeing. - */ -static __always_inline enum lru_list page_off_lru(struct page *page) -{ - enum lru_list lru; + __ClearPageLRU(page); - if (PageUnevictable(page)) { - __ClearPageUnevictable(page); - lru = LRU_UNEVICTABLE; - } else { - lru = page_lru_base_type(page); - if (PageActive(page)) { - __ClearPageActive(page); - lru += LRU_ACTIVE; - } - } - return lru; + /* this shouldn't happen, so leave the flags to bad_page() */ + if (PageActive(page) && PageUnevictable(page)) + return; + + __ClearPageActive(page); + __ClearPageUnevictable(page); } /** @@ -116,13 +67,41 @@ static __always_inline enum lru_list page_lru(struct page *page) { enum lru_list lru; + VM_BUG_ON_PAGE(PageActive(page) && PageUnevictable(page), page); + if (PageUnevictable(page)) - lru = LRU_UNEVICTABLE; - else { - lru = page_lru_base_type(page); - if (PageActive(page)) - lru += LRU_ACTIVE; - } + return LRU_UNEVICTABLE; + + lru = page_is_file_lru(page) ? LRU_INACTIVE_FILE : LRU_INACTIVE_ANON; + if (PageActive(page)) + lru += LRU_ACTIVE; + return lru; } + +static __always_inline void add_page_to_lru_list(struct page *page, + struct lruvec *lruvec) +{ + enum lru_list lru = page_lru(page); + + update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page)); + list_add(&page->lru, &lruvec->lists[lru]); +} + +static __always_inline void add_page_to_lru_list_tail(struct page *page, + struct lruvec *lruvec) +{ + enum lru_list lru = page_lru(page); + + update_lru_size(lruvec, lru, page_zonenum(page), thp_nr_pages(page)); + list_add_tail(&page->lru, &lruvec->lists[lru]); +} + +static __always_inline void del_page_from_lru_list(struct page *page, + struct lruvec *lruvec) +{ + list_del(&page->lru); + update_lru_size(lruvec, page_lru(page), page_zonenum(page), + -thp_nr_pages(page)); +} #endif diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 07d9acb5b19c..6613b26a8894 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -23,6 +23,7 @@ #endif #define AT_VECTOR_SIZE (2*(AT_VECTOR_SIZE_ARCH + AT_VECTOR_SIZE_BASE + 1)) +#define INIT_PASID 0 struct address_space; struct mem_cgroup; @@ -588,10 +589,9 @@ static inline cpumask_t *mm_cpumask(struct mm_struct *mm) } struct mmu_gather; -extern void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, - unsigned long start, unsigned long end); -extern void tlb_finish_mmu(struct mmu_gather *tlb, - unsigned long start, unsigned long end); +extern void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm); +extern void tlb_gather_mmu_fullmm(struct mmu_gather *tlb, struct mm_struct *mm); +extern void tlb_finish_mmu(struct mmu_gather *tlb); static inline void init_tlb_flush_pending(struct mm_struct *mm) { diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 42df06c6b19c..f9ad35dd6012 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -311,7 +311,6 @@ struct mmc_card { struct mmc_part part[MMC_NUM_PHY_PARTITION]; /* physical partitions */ unsigned int nr_parts; - unsigned int bouncesz; /* Bounce buffer size */ struct workqueue_struct *complete_wq; /* Private workqueue */ }; diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index 29aa50711626..ab19245e9945 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -162,6 +162,12 @@ struct mmc_request { bool cap_cmd_during_tfr; int tag; + +#ifdef CONFIG_MMC_CRYPTO + bool crypto_enabled; + int crypto_key_slot; + u32 data_unit_num; +#endif }; struct mmc_card; diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 01bba36545c5..26a3c7bc29ae 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -15,6 +15,7 @@ #include <linux/mmc/card.h> #include <linux/mmc/pm.h> #include <linux/dma-direction.h> +#include <linux/keyslot-manager.h> struct mmc_ios { unsigned int clock; /* clock rate */ @@ -79,6 +80,17 @@ struct mmc_ios { bool enhanced_strobe; /* hs400es selection */ }; +struct mmc_clk_phase { + bool valid; + u16 in_deg; + u16 out_deg; +}; + +#define MMC_NUM_CLK_PHASES (MMC_TIMING_MMC_HS400 + 1) +struct mmc_clk_phase_map { + struct mmc_clk_phase phase[MMC_NUM_CLK_PHASES]; +}; + struct mmc_host; struct mmc_host_ops { @@ -384,6 +396,11 @@ struct mmc_host { #define MMC_CAP2_CQE_DCMD (1 << 24) /* CQE can issue a direct command */ #define MMC_CAP2_AVOID_3_3V (1 << 25) /* Host must negotiate down from 3.3V */ #define MMC_CAP2_MERGE_CAPABLE (1 << 26) /* Host can merge a segment over the segment size */ +#ifdef CONFIG_MMC_CRYPTO +#define MMC_CAP2_CRYPTO (1 << 27) /* Host supports inline encryption */ +#else +#define MMC_CAP2_CRYPTO 0 +#endif int fixed_drv_type; /* fixed driver type for non-removable media */ @@ -412,7 +429,6 @@ struct mmc_host { unsigned int doing_retune:1; /* re-tuning in progress */ unsigned int retune_now:1; /* do re-tuning at next req */ unsigned int retune_paused:1; /* re-tuning is temporarily disabled */ - unsigned int use_blk_mq:1; /* use blk-mq */ unsigned int retune_crc_disable:1; /* don't trigger retune upon crc */ unsigned int can_dma_map_merge:1; /* merging can be used */ @@ -478,6 +494,11 @@ struct mmc_host { bool cqe_enabled; bool cqe_on; + /* Inline encryption support */ +#ifdef CONFIG_MMC_CRYPTO + struct blk_keyslot_manager ksm; +#endif + /* Host Software Queue support */ bool hsq_enabled; @@ -490,6 +511,8 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *); int mmc_add_host(struct mmc_host *); void mmc_remove_host(struct mmc_host *); void mmc_free_host(struct mmc_host *); +void mmc_of_parse_clk_phase(struct mmc_host *host, + struct mmc_clk_phase_map *map); int mmc_of_parse(struct mmc_host *host); int mmc_of_parse_voltage(struct device_node *np, u32 *mask); diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index b593316bff3d..47946cec7584 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -206,10 +206,30 @@ enum node_stat_item { NR_KERNEL_SCS_KB, /* measured in KiB */ #endif NR_PAGETABLE, /* used for pagetables */ +#ifdef CONFIG_SWAP + NR_SWAPCACHE, +#endif NR_VM_NODE_STAT_ITEMS }; /* + * Returns true if the item should be printed in THPs (/proc/vmstat + * currently prints number of anon, file and shmem THPs. But the item + * is charged in pages). + */ +static __always_inline bool vmstat_item_print_in_thp(enum node_stat_item item) +{ + if (!IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE)) + return false; + + return item == NR_ANON_THPS || + item == NR_FILE_THPS || + item == NR_SHMEM_THPS || + item == NR_SHMEM_PMDMAPPED || + item == NR_FILE_PMDMAPPED; +} + +/* * Returns true if the value is measured in bytes (most vmstat values are * measured in pages). This defines the API part, the internal representation * might be different. @@ -483,6 +503,9 @@ struct zone { * bootmem allocator): * managed_pages = present_pages - reserved_pages; * + * cma pages is present pages that are assigned for CMA use + * (MIGRATE_CMA). + * * So present_pages may be used by memory hotplug or memory power * management logic to figure out unmanaged pages by checking * (present_pages - managed_pages). And managed_pages should be used @@ -507,6 +530,9 @@ struct zone { atomic_long_t managed_pages; unsigned long spanned_pages; unsigned long present_pages; +#ifdef CONFIG_CMA + unsigned long cma_pages; +#endif const char *name; @@ -604,6 +630,15 @@ static inline unsigned long zone_managed_pages(struct zone *zone) return (unsigned long)atomic_long_read(&zone->managed_pages); } +static inline unsigned long zone_cma_pages(struct zone *zone) +{ +#ifdef CONFIG_CMA + return zone->cma_pages; +#else + return 0; +#endif +} + static inline unsigned long zone_end_pfn(const struct zone *zone) { return zone->zone_start_pfn + zone->spanned_pages; @@ -872,8 +907,6 @@ static inline struct pglist_data *lruvec_pgdat(struct lruvec *lruvec) #endif } -extern unsigned long lruvec_lru_size(struct lruvec *lruvec, enum lru_list lru, int zone_idx); - #ifdef CONFIG_HAVE_MEMORYLESS_NODES int local_memory_node(int node_id); #else @@ -885,6 +918,18 @@ static inline int local_memory_node(int node_id) { return node_id; }; */ #define zone_idx(zone) ((zone) - (zone)->zone_pgdat->node_zones) +#ifdef CONFIG_ZONE_DEVICE +static inline bool zone_is_zone_device(struct zone *zone) +{ + return zone_idx(zone) == ZONE_DEVICE; +} +#else +static inline bool zone_is_zone_device(struct zone *zone) +{ + return false; +} +#endif + /* * Returns true if a zone has pages managed by the buddy allocator. * All the reclaim decisions have to use this function rather than @@ -1273,13 +1318,14 @@ extern size_t mem_section_usage_size(void); * which results in PFN_SECTION_SHIFT equal 6. * To sum it up, at least 6 bits are available. */ -#define SECTION_MARKED_PRESENT (1UL<<0) -#define SECTION_HAS_MEM_MAP (1UL<<1) -#define SECTION_IS_ONLINE (1UL<<2) -#define SECTION_IS_EARLY (1UL<<3) -#define SECTION_MAP_LAST_BIT (1UL<<4) -#define SECTION_MAP_MASK (~(SECTION_MAP_LAST_BIT-1)) -#define SECTION_NID_SHIFT 3 +#define SECTION_MARKED_PRESENT (1UL<<0) +#define SECTION_HAS_MEM_MAP (1UL<<1) +#define SECTION_IS_ONLINE (1UL<<2) +#define SECTION_IS_EARLY (1UL<<3) +#define SECTION_TAINT_ZONE_DEVICE (1UL<<4) +#define SECTION_MAP_LAST_BIT (1UL<<5) +#define SECTION_MAP_MASK (~(SECTION_MAP_LAST_BIT-1)) +#define SECTION_NID_SHIFT 3 static inline struct page *__section_mem_map_addr(struct mem_section *section) { @@ -1318,6 +1364,13 @@ static inline int online_section(struct mem_section *section) return (section && (section->section_mem_map & SECTION_IS_ONLINE)); } +static inline int online_device_section(struct mem_section *section) +{ + unsigned long flags = SECTION_IS_ONLINE | SECTION_TAINT_ZONE_DEVICE; + + return section && ((section->section_mem_map & flags) == flags); +} + static inline int online_section_nr(unsigned long nr) { return online_section(__nr_to_section(nr)); diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index c425290b21e2..7d45b5f989b0 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -846,4 +846,46 @@ struct auxiliary_device_id { kernel_ulong_t driver_data; }; +/* Surface System Aggregator Module */ + +#define SSAM_MATCH_TARGET 0x1 +#define SSAM_MATCH_INSTANCE 0x2 +#define SSAM_MATCH_FUNCTION 0x4 + +struct ssam_device_id { + __u8 match_flags; + + __u8 domain; + __u8 category; + __u8 target; + __u8 instance; + __u8 function; + + kernel_ulong_t driver_data; +}; + +/* + * DFL (Device Feature List) + * + * DFL defines a linked list of feature headers within the device MMIO space to + * provide an extensible way of adding features. Software can walk through these + * predefined data structures to enumerate features. It is now used in the FPGA. + * See Documentation/fpga/dfl.rst for more information. + * + * The dfl bus type is introduced to match the individual feature devices (dfl + * devices) for specific dfl drivers. + */ + +/** + * struct dfl_device_id - dfl device identifier + * @type: DFL FIU type of the device. See enum dfl_id_type. + * @feature_id: feature identifier local to its DFL FIU type. + * @driver_data: driver specific data. + */ +struct dfl_device_id { + __u16 type; + __u16 feature_id; + kernel_ulong_t driver_data; +}; + #endif /* LINUX_MOD_DEVICETABLE_H */ diff --git a/include/linux/module.h b/include/linux/module.h index 7a0bcb5b1ffc..da4b6fbe8ebe 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -30,9 +30,6 @@ #include <linux/percpu.h> #include <asm/module.h> -/* Not Yet Implemented */ -#define MODULE_SUPPORTED_DEVICE(name) - #define MODULE_NAME_LEN MAX_PARAM_PREFIX_LEN struct modversion_info { @@ -392,18 +389,6 @@ struct module { const s32 *gpl_crcs; bool using_gplonly_symbols; -#ifdef CONFIG_UNUSED_SYMBOLS - /* unused exported symbols. */ - const struct kernel_symbol *unused_syms; - const s32 *unused_crcs; - unsigned int num_unused_syms; - - /* GPL-only, unused exported symbols. */ - unsigned int num_unused_gpl_syms; - const struct kernel_symbol *unused_gpl_syms; - const s32 *unused_gpl_crcs; -#endif - #ifdef CONFIG_MODULE_SIG /* Signature was verified. */ bool sig_ok; @@ -411,11 +396,6 @@ struct module { bool async_probe_requested; - /* symbols that will be GPL-only in the near future. */ - const struct kernel_symbol *gpl_future_syms; - const s32 *gpl_future_crcs; - unsigned int num_gpl_future_syms; - /* Exception table */ unsigned int num_exentries; struct exception_table_entry *extable; @@ -550,8 +530,6 @@ static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym) } #endif -extern struct mutex module_mutex; - /* FIXME: It'd be nice to isolate modules during init, too, so they aren't used before they (may) fail. But presently too much code (IDE & SCSI) require entry into the module during init.*/ @@ -586,20 +564,9 @@ static inline bool within_module(unsigned long addr, const struct module *mod) return within_module_init(addr, mod) || within_module_core(addr, mod); } -/* Search for module by name: must hold module_mutex. */ +/* Search for module by name: must be in a RCU-sched critical section. */ struct module *find_module(const char *name); -struct symsearch { - const struct kernel_symbol *start, *stop; - const s32 *crcs; - enum mod_license { - NOT_GPL_ONLY, - GPL_ONLY, - WILL_BE_GPL_ONLY, - } license; - bool unused; -}; - /* Returns 0 and fills in value, defined and namebuf, or -ERANGE if symnum out of range. */ int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, @@ -608,10 +575,6 @@ int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, /* Look for this name: can be of form module:name. */ unsigned long module_kallsyms_lookup_name(const char *name); -int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, - struct module *, unsigned long), - void *data); - extern void __noreturn __module_put_and_exit(struct module *mod, long code); #define module_put_and_exit(code) __module_put_and_exit(THIS_MODULE, code) @@ -795,14 +758,6 @@ static inline unsigned long module_kallsyms_lookup_name(const char *name) return 0; } -static inline int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, - struct module *, - unsigned long), - void *data) -{ - return 0; -} - static inline int register_module_notifier(struct notifier_block *nb) { /* no events will happen anyway, so this can always succeed */ @@ -891,4 +846,8 @@ static inline bool module_sig_ok(struct module *module) } #endif /* CONFIG_MODULE_SIG */ +int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, + struct module *, unsigned long), + void *data); + #endif /* _LINUX_MODULE_H */ diff --git a/include/linux/mount.h b/include/linux/mount.h index aaf343b38671..5d92a7e1a742 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -72,14 +72,20 @@ struct vfsmount { struct dentry *mnt_root; /* root of the mounted tree */ struct super_block *mnt_sb; /* pointer to superblock */ int mnt_flags; + struct user_namespace *mnt_userns; } __randomize_layout; +static inline struct user_namespace *mnt_user_ns(const struct vfsmount *mnt) +{ + /* Pairs with smp_store_release() in do_idmap_mount(). */ + return smp_load_acquire(&mnt->mnt_userns); +} + struct file; /* forward dec */ struct path; extern int mnt_want_write(struct vfsmount *mnt); extern int mnt_want_write_file(struct file *file); -extern int mnt_clone_write(struct vfsmount *mnt); extern void mnt_drop_write(struct vfsmount *mnt); extern void mnt_drop_write_file(struct file *file); extern void mntput(struct vfsmount *mnt); diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index d13958de6d8a..a0d572855444 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -53,6 +53,7 @@ #define SPINOR_OP_WREAR 0xc5 /* Write Extended Address Register */ #define SPINOR_OP_SRSTEN 0x66 /* Software Reset Enable */ #define SPINOR_OP_SRST 0x99 /* Software Reset */ +#define SPINOR_OP_GBULK 0x98 /* Global Block Unlock */ /* 4-byte address opcodes - used on Spansion and some Macronix flashes. */ #define SPINOR_OP_READ_4B 0x13 /* Read data bytes (low frequency) */ diff --git a/include/linux/mutex.h b/include/linux/mutex.h index dcd185cbfe79..0cd631a19727 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -199,29 +199,4 @@ extern void mutex_unlock(struct mutex *lock); extern int atomic_dec_and_mutex_lock(atomic_t *cnt, struct mutex *lock); -/* - * These values are chosen such that FAIL and SUCCESS match the - * values of the regular mutex_trylock(). - */ -enum mutex_trylock_recursive_enum { - MUTEX_TRYLOCK_FAILED = 0, - MUTEX_TRYLOCK_SUCCESS = 1, - MUTEX_TRYLOCK_RECURSIVE, -}; - -/** - * mutex_trylock_recursive - trylock variant that allows recursive locking - * @lock: mutex to be locked - * - * This function should not be used, _ever_. It is purely for hysterical GEM - * raisins, and once those are gone this will be removed. - * - * Returns: - * - MUTEX_TRYLOCK_FAILED - trylock failed, - * - MUTEX_TRYLOCK_SUCCESS - lock acquired, - * - MUTEX_TRYLOCK_RECURSIVE - we already owned the lock. - */ -extern /* __deprecated */ __must_check enum mutex_trylock_recursive_enum -mutex_trylock_recursive(struct mutex *lock); - #endif /* __LINUX_MUTEX_H */ diff --git a/include/linux/namei.h b/include/linux/namei.h index a4bb992623c4..b9605b2b46e7 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -46,6 +46,7 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT}; #define LOOKUP_NO_XDEV 0x040000 /* No mountpoint crossing. */ #define LOOKUP_BENEATH 0x080000 /* No escaping from starting point. */ #define LOOKUP_IN_ROOT 0x100000 /* Treat dirfd as fs root. */ +#define LOOKUP_CACHED 0x200000 /* Only do cached lookup */ /* LOOKUP_* flags which do scope-related checks based on the dirfd. */ #define LOOKUP_IS_SCOPED (LOOKUP_BENEATH | LOOKUP_IN_ROOT) diff --git a/include/linux/nd.h b/include/linux/nd.h index 55c735997805..cec526c8043d 100644 --- a/include/linux/nd.h +++ b/include/linux/nd.h @@ -26,7 +26,7 @@ struct nd_device_driver { struct device_driver drv; unsigned long type; int (*probe)(struct device *dev); - int (*remove)(struct device *dev); + void (*remove)(struct device *dev); void (*shutdown)(struct device *dev); void (*notify)(struct device *dev, enum nvdimm_event event); }; diff --git a/include/linux/net.h b/include/linux/net.h index 9e2324efc26a..ba736b457a06 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -42,8 +42,6 @@ struct net; #define SOCK_PASSCRED 3 #define SOCK_PASSSEC 4 -#define PROTO_CMSG_DATA_ONLY 0x0001 - #ifndef ARCH_HAS_SOCKET_TYPES /** * enum sock_type - Socket types @@ -138,7 +136,6 @@ typedef int (*sk_read_actor_t)(read_descriptor_t *, struct sk_buff *, struct proto_ops { int family; - unsigned int flags; struct module *owner; int (*release) (struct socket *sock); int (*bind) (struct socket *sock, diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index 934de56644e7..3de38d6a0aea 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -84,6 +84,12 @@ enum { NETIF_F_GRO_FRAGLIST_BIT, /* Fraglist GRO */ NETIF_F_HW_MACSEC_BIT, /* Offload MACsec operations */ + NETIF_F_GRO_UDP_FWD_BIT, /* Allow UDP GRO for forwarding */ + + NETIF_F_HW_HSR_TAG_INS_BIT, /* Offload HSR tag insertion */ + NETIF_F_HW_HSR_TAG_RM_BIT, /* Offload HSR tag removal */ + NETIF_F_HW_HSR_FWD_BIT, /* Offload HSR forwarding */ + NETIF_F_HW_HSR_DUP_BIT, /* Offload HSR duplication */ /* * Add your fresh new feature above and remember to update @@ -157,6 +163,11 @@ enum { #define NETIF_F_GRO_FRAGLIST __NETIF_F(GRO_FRAGLIST) #define NETIF_F_GSO_FRAGLIST __NETIF_F(GSO_FRAGLIST) #define NETIF_F_HW_MACSEC __NETIF_F(HW_MACSEC) +#define NETIF_F_GRO_UDP_FWD __NETIF_F(GRO_UDP_FWD) +#define NETIF_F_HW_HSR_TAG_INS __NETIF_F(HW_HSR_TAG_INS) +#define NETIF_F_HW_HSR_TAG_RM __NETIF_F(HW_HSR_TAG_RM) +#define NETIF_F_HW_HSR_FWD __NETIF_F(HW_HSR_FWD) +#define NETIF_F_HW_HSR_DUP __NETIF_F(HW_HSR_DUP) /* Finds the next feature with the highest number of the range of start till 0. */ @@ -234,7 +245,7 @@ static inline int find_next_netdev_feature(u64 feature, unsigned long start) #define NETIF_F_SOFT_FEATURES (NETIF_F_GSO | NETIF_F_GRO) /* Changeable features with no special hardware requirements that defaults to off. */ -#define NETIF_F_SOFT_FEATURES_OFF NETIF_F_GRO_FRAGLIST +#define NETIF_F_SOFT_FEATURES_OFF (NETIF_F_GRO_FRAGLIST | NETIF_F_GRO_UDP_FWD) #define NETIF_F_VLAN_FEATURES (NETIF_F_HW_VLAN_CTAG_FILTER | \ NETIF_F_HW_VLAN_CTAG_RX | \ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 5ff27c12ce68..5b67ea89d5f2 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -347,6 +347,7 @@ struct napi_struct { struct list_head dev_list; struct hlist_node napi_hash_node; unsigned int napi_id; + struct task_struct *thread; }; enum { @@ -358,6 +359,7 @@ enum { NAPI_STATE_NO_BUSY_POLL, /* Do not add in napi_hash, no busy polling */ NAPI_STATE_IN_BUSY_POLL, /* sk_busy_loop() owns this NAPI */ NAPI_STATE_PREFER_BUSY_POLL, /* prefer busy-polling over softirq processing*/ + NAPI_STATE_THREADED, /* The poll is performed inside its own thread*/ }; enum { @@ -369,6 +371,7 @@ enum { NAPIF_STATE_NO_BUSY_POLL = BIT(NAPI_STATE_NO_BUSY_POLL), NAPIF_STATE_IN_BUSY_POLL = BIT(NAPI_STATE_IN_BUSY_POLL), NAPIF_STATE_PREFER_BUSY_POLL = BIT(NAPI_STATE_PREFER_BUSY_POLL), + NAPIF_STATE_THREADED = BIT(NAPI_STATE_THREADED), }; enum gro_result { @@ -376,7 +379,6 @@ enum gro_result { GRO_MERGED_FREE, GRO_HELD, GRO_NORMAL, - GRO_DROP, GRO_CONSUMED, }; typedef enum gro_result gro_result_t; @@ -495,6 +497,8 @@ static inline bool napi_complete(struct napi_struct *n) return napi_complete_done(n, 0); } +int dev_set_threaded(struct net_device *dev, bool threaded); + /** * napi_disable - prevent NAPI from scheduling * @n: NAPI context @@ -504,20 +508,7 @@ static inline bool napi_complete(struct napi_struct *n) */ void napi_disable(struct napi_struct *n); -/** - * napi_enable - enable NAPI scheduling - * @n: NAPI context - * - * Resume NAPI from being scheduled on this context. - * Must be paired with napi_disable. - */ -static inline void napi_enable(struct napi_struct *n) -{ - BUG_ON(!test_bit(NAPI_STATE_SCHED, &n->state)); - smp_mb__before_atomic(); - clear_bit(NAPI_STATE_SCHED, &n->state); - clear_bit(NAPI_STATE_NPSVC, &n->state); -} +void napi_enable(struct napi_struct *n); /** * napi_synchronize - wait until NAPI is not running @@ -859,6 +850,7 @@ enum tc_setup_type { TC_SETUP_QDISC_ETS, TC_SETUP_QDISC_TBF, TC_SETUP_QDISC_FIFO, + TC_SETUP_QDISC_HTB, }; /* These structures hold the attributes of bpf state that are being passed @@ -1213,19 +1205,6 @@ struct netdev_net_notifier { * struct netdev_phys_item_id *ppid) * Called to get the parent ID of the physical port of this device. * - * void (*ndo_udp_tunnel_add)(struct net_device *dev, - * struct udp_tunnel_info *ti); - * Called by UDP tunnel to notify a driver about the UDP port and socket - * address family that a UDP tunnel is listnening to. It is called only - * when a new port starts listening. The operation is protected by the - * RTNL. - * - * void (*ndo_udp_tunnel_del)(struct net_device *dev, - * struct udp_tunnel_info *ti); - * Called by UDP tunnel to notify the driver about a UDP port and socket - * address family that the UDP tunnel is not listening to anymore. The - * operation is protected by the RTNL. - * * void* (*ndo_dfwd_add_station)(struct net_device *pdev, * struct net_device *dev) * Called by upper layer devices to accelerate switching or other @@ -1412,6 +1391,8 @@ struct net_device_ops { struct net_device* (*ndo_get_xmit_slave)(struct net_device *dev, struct sk_buff *skb, bool all_slaves); + struct net_device* (*ndo_sk_get_lower_dev)(struct net_device *dev, + struct sock *sk); netdev_features_t (*ndo_fix_features)(struct net_device *dev, netdev_features_t features); int (*ndo_set_features)(struct net_device *dev, @@ -1464,10 +1445,6 @@ struct net_device_ops { struct netdev_phys_item_id *ppid); int (*ndo_get_phys_port_name)(struct net_device *dev, char *name, size_t len); - void (*ndo_udp_tunnel_add)(struct net_device *dev, - struct udp_tunnel_info *ti); - void (*ndo_udp_tunnel_del)(struct net_device *dev, - struct udp_tunnel_info *ti); void* (*ndo_dfwd_add_station)(struct net_device *pdev, struct net_device *dev); void (*ndo_dfwd_del_station)(struct net_device *pdev, @@ -1607,6 +1584,12 @@ enum netdev_priv_flags { #define IFF_L3MDEV_RX_HANDLER IFF_L3MDEV_RX_HANDLER #define IFF_LIVE_RENAME_OK IFF_LIVE_RENAME_OK +/* Specifies the type of the struct net_device::ml_priv pointer */ +enum netdev_ml_priv_type { + ML_PRIV_NONE, + ML_PRIV_CAN, +}; + /** * struct net_device - The DEVICE structure. * @@ -1802,6 +1785,7 @@ enum netdev_priv_flags { * @nd_net: Network namespace this network device is inside * * @ml_priv: Mid-layer private + * @ml_priv_type: Mid-layer private type * @lstats: Loopback statistics * @tstats: Tunnel statistics * @dstats: Dummy statistics @@ -1842,6 +1826,8 @@ enum netdev_priv_flags { * * @wol_enabled: Wake-on-LAN is enabled * + * @threaded: napi threaded mode is enabled + * * @net_notifier_list: List of per-net netdev notifier block * that follow this device when it is moved * to another network namespace. @@ -1873,7 +1859,6 @@ struct net_device { unsigned long mem_end; unsigned long mem_start; unsigned long base_addr; - int irq; /* * Some hardware also needs these fields (state,dev_list, @@ -1895,6 +1880,23 @@ struct net_device { struct list_head lower; } adj_list; + /* Read-mostly cache-line for fast-path access */ + unsigned int flags; + unsigned int priv_flags; + const struct net_device_ops *netdev_ops; + int ifindex; + unsigned short gflags; + unsigned short hard_header_len; + + /* Note : dev->mtu is often read without holding a lock. + * Writers usually hold RTNL. + * It is recommended to use READ_ONCE() to annotate the reads, + * and to use WRITE_ONCE() to annotate the writes. + */ + unsigned int mtu; + unsigned short needed_headroom; + unsigned short needed_tailroom; + netdev_features_t features; netdev_features_t hw_features; netdev_features_t wanted_features; @@ -1903,10 +1905,15 @@ struct net_device { netdev_features_t mpls_features; netdev_features_t gso_partial_features; - int ifindex; + unsigned int min_mtu; + unsigned int max_mtu; + unsigned short type; + unsigned char min_header_len; + unsigned char name_assign_type; + int group; - struct net_device_stats stats; + struct net_device_stats stats; /* not used by modern drivers */ atomic_long_t rx_dropped; atomic_long_t tx_dropped; @@ -1920,7 +1927,6 @@ struct net_device { const struct iw_handler_def *wireless_handlers; struct iw_public_data *wireless_data; #endif - const struct net_device_ops *netdev_ops; const struct ethtool_ops *ethtool_ops; #ifdef CONFIG_NET_L3_MASTER_DEV const struct l3mdev_ops *l3mdev_ops; @@ -1939,34 +1945,12 @@ struct net_device { const struct header_ops *header_ops; - unsigned int flags; - unsigned int priv_flags; - - unsigned short gflags; - unsigned short padded; - unsigned char operstate; unsigned char link_mode; unsigned char if_port; unsigned char dma; - /* Note : dev->mtu is often read without holding a lock. - * Writers usually hold RTNL. - * It is recommended to use READ_ONCE() to annotate the reads, - * and to use WRITE_ONCE() to annotate the writes. - */ - unsigned int mtu; - unsigned int min_mtu; - unsigned int max_mtu; - unsigned short type; - unsigned short hard_header_len; - unsigned char min_header_len; - unsigned char name_assign_type; - - unsigned short needed_headroom; - unsigned short needed_tailroom; - /* Interface address info. */ unsigned char perm_addr[MAX_ADDR_LEN]; unsigned char addr_assign_type; @@ -1977,7 +1961,10 @@ struct net_device { unsigned short neigh_priv_len; unsigned short dev_id; unsigned short dev_port; + unsigned short padded; + spinlock_t addr_list_lock; + int irq; struct netdev_hw_addr_list uc; struct netdev_hw_addr_list mc; @@ -2114,8 +2101,10 @@ struct net_device { possible_net_t nd_net; /* mid-layer private */ + void *ml_priv; + enum netdev_ml_priv_type ml_priv_type; + union { - void *ml_priv; struct pcpu_lstats __percpu *lstats; struct pcpu_sw_netstats __percpu *tstats; struct pcpu_dstats __percpu *dstats; @@ -2159,6 +2148,7 @@ struct net_device { struct lock_class_key *qdisc_running_key; bool proto_down; unsigned wol_enabled:1; + unsigned threaded:1; struct list_head net_notifier_list; @@ -2305,6 +2295,29 @@ static inline void netdev_reset_rx_headroom(struct net_device *dev) netdev_set_rx_headroom(dev, -1); } +static inline void *netdev_get_ml_priv(struct net_device *dev, + enum netdev_ml_priv_type type) +{ + if (dev->ml_priv_type != type) + return NULL; + + return dev->ml_priv; +} + +static inline void netdev_set_ml_priv(struct net_device *dev, + void *ml_priv, + enum netdev_ml_priv_type type) +{ + WARN(dev->ml_priv_type && dev->ml_priv_type != type, + "Overwriting already set ml_priv_type (%u) with different ml_priv_type (%u)!\n", + dev->ml_priv_type, type); + WARN(!dev->ml_priv_type && dev->ml_priv, + "Overwriting already set ml_priv and ml_priv_type is ML_PRIV_NONE!\n"); + + dev->ml_priv = ml_priv; + dev->ml_priv_type = type; +} + /* * Net namespace inlines */ @@ -2633,6 +2646,7 @@ enum netdev_lag_hash { NETDEV_LAG_HASH_L23, NETDEV_LAG_HASH_E23, NETDEV_LAG_HASH_E34, + NETDEV_LAG_HASH_VLAN_SRCMAC, NETDEV_LAG_HASH_UNKNOWN, }; @@ -2876,6 +2890,8 @@ int init_dummy_netdev(struct net_device *dev); struct net_device *netdev_get_xmit_slave(struct net_device *dev, struct sk_buff *skb, bool all_slaves); +struct net_device *netdev_sk_get_lowest_dev(struct net_device *dev, + struct sock *sk); struct net_device *dev_get_by_index(struct net *net, int ifindex); struct net_device *__dev_get_by_index(struct net *net, int ifindex); struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex); @@ -3918,6 +3934,9 @@ int dev_pre_changeaddr_notify(struct net_device *dev, const char *addr, struct netlink_ext_ack *extack); int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa, struct netlink_ext_ack *extack); +int dev_set_mac_address_user(struct net_device *dev, struct sockaddr *sa, + struct netlink_ext_ack *extack); +int dev_get_mac_address(struct sockaddr *sa, struct net *net, char *dev_name); int dev_change_carrier(struct net_device *, bool new_carrier); int dev_get_phys_port_id(struct net_device *dev, struct netdev_phys_item_id *ppid); @@ -3940,18 +3959,44 @@ int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack, int bpf_xdp_link_attach(const union bpf_attr *attr, struct bpf_prog *prog); u32 dev_xdp_prog_id(struct net_device *dev, enum bpf_xdp_mode mode); -int xdp_umem_query(struct net_device *dev, u16 queue_id); - int __dev_forward_skb(struct net_device *dev, struct sk_buff *skb); int dev_forward_skb(struct net_device *dev, struct sk_buff *skb); +int dev_forward_skb_nomtu(struct net_device *dev, struct sk_buff *skb); bool is_skb_forwardable(const struct net_device *dev, const struct sk_buff *skb); +static __always_inline bool __is_skb_forwardable(const struct net_device *dev, + const struct sk_buff *skb, + const bool check_mtu) +{ + const u32 vlan_hdr_len = 4; /* VLAN_HLEN */ + unsigned int len; + + if (!(dev->flags & IFF_UP)) + return false; + + if (!check_mtu) + return true; + + len = dev->mtu + dev->hard_header_len + vlan_hdr_len; + if (skb->len <= len) + return true; + + /* if TSO is enabled, we don't care about the length as the packet + * could be forwarded without being segmented before + */ + if (skb_is_gso(skb)) + return true; + + return false; +} + static __always_inline int ____dev_forward_skb(struct net_device *dev, - struct sk_buff *skb) + struct sk_buff *skb, + const bool check_mtu) { if (skb_orphan_frags(skb, GFP_ATOMIC) || - unlikely(!is_skb_forwardable(dev, skb))) { + unlikely(!__is_skb_forwardable(dev, skb, check_mtu))) { atomic_long_inc(&dev->rx_dropped); kfree_skb(skb); return NET_RX_DROP; diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index 0101747de549..f0f3a8354c3c 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -463,8 +463,6 @@ extern struct nf_ct_hook __rcu *nf_ct_hook; struct nlattr; struct nfnl_ct_hook { - struct nf_conn *(*get_ct)(const struct sk_buff *skb, - enum ip_conntrack_info *ctinfo); size_t (*build_size)(const struct nf_conn *ct); int (*build)(struct sk_buff *skb, struct nf_conn *ct, enum ip_conntrack_info ctinfo, diff --git a/include/linux/netlink.h b/include/linux/netlink.h index 9f118771e248..0bcf98098c5a 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -11,6 +11,8 @@ struct net; +void do_trace_netlink_extack(const char *msg); + static inline struct nlmsghdr *nlmsg_hdr(const struct sk_buff *skb) { return (struct nlmsghdr *)skb->data; @@ -90,6 +92,8 @@ struct netlink_ext_ack { static const char __msg[] = msg; \ struct netlink_ext_ack *__extack = (extack); \ \ + do_trace_netlink_extack(__msg); \ + \ if (__extack) \ __extack->_msg = __msg; \ } while (0) @@ -110,6 +114,8 @@ struct netlink_ext_ack { static const char __msg[] = msg; \ struct netlink_ext_ack *__extack = (extack); \ \ + do_trace_netlink_extack(__msg); \ + \ if (__extack) { \ __extack->_msg = __msg; \ __extack->bad_attr = (attr); \ diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 681ed98e4ba8..eadaabd18dc7 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -379,18 +379,20 @@ extern int nfs_refresh_inode(struct inode *, struct nfs_fattr *); extern int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr); extern int nfs_post_op_update_inode_force_wcc(struct inode *inode, struct nfs_fattr *fattr); extern int nfs_post_op_update_inode_force_wcc_locked(struct inode *inode, struct nfs_fattr *fattr); -extern int nfs_getattr(const struct path *, struct kstat *, u32, unsigned int); +extern int nfs_getattr(struct user_namespace *, const struct path *, + struct kstat *, u32, unsigned int); extern void nfs_access_add_cache(struct inode *, struct nfs_access_entry *); extern void nfs_access_set_mask(struct nfs_access_entry *, u32); -extern int nfs_permission(struct inode *, int); +extern int nfs_permission(struct user_namespace *, struct inode *, int); extern int nfs_open(struct inode *, struct file *); extern int nfs_attribute_cache_expired(struct inode *inode); extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode); extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *); +extern int nfs_clear_invalid_mapping(struct address_space *mapping); extern bool nfs_mapping_need_revalidate_inode(struct inode *inode); extern int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping); extern int nfs_revalidate_mapping_rcu(struct inode *inode); -extern int nfs_setattr(struct dentry *, struct iattr *); +extern int nfs_setattr(struct user_namespace *, struct dentry *, struct iattr *); extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr, struct nfs_fattr *); extern void nfs_setsecurity(struct inode *inode, struct nfs_fattr *fattr, struct nfs4_label *label); @@ -570,8 +572,6 @@ nfs_have_writebacks(struct inode *inode) extern int nfs_readpage(struct file *, struct page *); extern int nfs_readpages(struct file *, struct address_space *, struct list_head *, unsigned); -extern int nfs_readpage_async(struct nfs_open_context *, struct inode *, - struct page *); /* * inline functions diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 38e60ec742df..6f76b32a0238 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -142,7 +142,7 @@ struct nfs_server { struct nlm_host *nlm_host; /* NLM client handle */ struct nfs_iostats __percpu *io_stats; /* I/O statistics */ atomic_long_t writeback; /* number of writeback pages */ - int flags; /* various flags */ + unsigned int flags; /* various flags */ /* The following are for internal use only. Also see uapi/linux/nfs_mount.h */ #define NFS_MOUNT_LOOKUP_CACHE_NONEG 0x10000 @@ -153,6 +153,8 @@ struct nfs_server { #define NFS_MOUNT_LOCAL_FCNTL 0x200000 #define NFS_MOUNT_SOFTERR 0x400000 #define NFS_MOUNT_SOFTREVAL 0x800000 +#define NFS_MOUNT_WRITE_EAGER 0x01000000 +#define NFS_MOUNT_WRITE_WAIT 0x02000000 unsigned int caps; /* server capabilities */ unsigned int rsize; /* read size */ diff --git a/include/linux/nfsacl.h b/include/linux/nfsacl.h index 103d44695323..0ba99c513649 100644 --- a/include/linux/nfsacl.h +++ b/include/linux/nfsacl.h @@ -38,5 +38,8 @@ nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode, extern int nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt, struct posix_acl **pacl); +extern bool +nfs_stream_decode_acl(struct xdr_stream *xdr, unsigned int *aclcnt, + struct posix_acl **pacl); #endif /* __LINUX_NFSACL_H */ diff --git a/include/linux/nvme.h b/include/linux/nvme.h index bfed36e342cc..b08787cd0881 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -697,7 +697,11 @@ enum nvme_opcode { nvme_opcode_name(nvme_cmd_resv_register), \ nvme_opcode_name(nvme_cmd_resv_report), \ nvme_opcode_name(nvme_cmd_resv_acquire), \ - nvme_opcode_name(nvme_cmd_resv_release)) + nvme_opcode_name(nvme_cmd_resv_release), \ + nvme_opcode_name(nvme_cmd_zone_mgmt_send), \ + nvme_opcode_name(nvme_cmd_zone_mgmt_recv), \ + nvme_opcode_name(nvme_cmd_zone_append)) + /* @@ -1473,20 +1477,29 @@ enum { NVME_SC_SGL_INVALID_DATA = 0xf, NVME_SC_SGL_INVALID_METADATA = 0x10, NVME_SC_SGL_INVALID_TYPE = 0x11, - + NVME_SC_CMB_INVALID_USE = 0x12, + NVME_SC_PRP_INVALID_OFFSET = 0x13, + NVME_SC_ATOMIC_WU_EXCEEDED = 0x14, + NVME_SC_OP_DENIED = 0x15, NVME_SC_SGL_INVALID_OFFSET = 0x16, - NVME_SC_SGL_INVALID_SUBTYPE = 0x17, - + NVME_SC_RESERVED = 0x17, + NVME_SC_HOST_ID_INCONSIST = 0x18, + NVME_SC_KA_TIMEOUT_EXPIRED = 0x19, + NVME_SC_KA_TIMEOUT_INVALID = 0x1A, + NVME_SC_ABORTED_PREEMPT_ABORT = 0x1B, NVME_SC_SANITIZE_FAILED = 0x1C, NVME_SC_SANITIZE_IN_PROGRESS = 0x1D, - + NVME_SC_SGL_INVALID_GRANULARITY = 0x1E, + NVME_SC_CMD_NOT_SUP_CMB_QUEUE = 0x1F, NVME_SC_NS_WRITE_PROTECTED = 0x20, NVME_SC_CMD_INTERRUPTED = 0x21, + NVME_SC_TRANSIENT_TR_ERR = 0x22, NVME_SC_LBA_RANGE = 0x80, NVME_SC_CAP_EXCEEDED = 0x81, NVME_SC_NS_NOT_READY = 0x82, NVME_SC_RESERVATION_CONFLICT = 0x83, + NVME_SC_FORMAT_IN_PROGRESS = 0x84, /* * Command Specific Status: @@ -1519,8 +1532,15 @@ enum { NVME_SC_NS_NOT_ATTACHED = 0x11a, NVME_SC_THIN_PROV_NOT_SUPP = 0x11b, NVME_SC_CTRL_LIST_INVALID = 0x11c, + NVME_SC_SELT_TEST_IN_PROGRESS = 0x11d, NVME_SC_BP_WRITE_PROHIBITED = 0x11e, + NVME_SC_CTRL_ID_INVALID = 0x11f, + NVME_SC_SEC_CTRL_STATE_INVALID = 0x120, + NVME_SC_CTRL_RES_NUM_INVALID = 0x121, + NVME_SC_RES_ID_INVALID = 0x122, NVME_SC_PMR_SAN_PROHIBITED = 0x123, + NVME_SC_ANA_GROUP_ID_INVALID = 0x124, + NVME_SC_ANA_ATTACH_FAILED = 0x125, /* * I/O Command Set Specific - NVM commands: diff --git a/include/linux/objtool.h b/include/linux/objtool.h index 577f51436cf9..7e72d975cb76 100644 --- a/include/linux/objtool.h +++ b/include/linux/objtool.h @@ -29,11 +29,14 @@ struct unwind_hint { * * UNWIND_HINT_TYPE_REGS_PARTIAL: Used in entry code to indicate that * sp_reg+sp_offset points to the iret return frame. + * + * UNWIND_HINT_FUNC: Generate the unwind metadata of a callable function. + * Useful for code which doesn't have an ELF function annotation. */ #define UNWIND_HINT_TYPE_CALL 0 #define UNWIND_HINT_TYPE_REGS 1 #define UNWIND_HINT_TYPE_REGS_PARTIAL 2 -#define UNWIND_HINT_TYPE_RET_OFFSET 3 +#define UNWIND_HINT_TYPE_FUNC 3 #ifdef CONFIG_STACK_VALIDATION @@ -109,6 +112,12 @@ struct unwind_hint { .popsection .endm +.macro STACK_FRAME_NON_STANDARD func:req + .pushsection .discard.func_stack_frame_non_standard, "aw" + .long \func - . + .popsection +.endm + #endif /* __ASSEMBLY__ */ #else /* !CONFIG_STACK_VALIDATION */ @@ -122,6 +131,8 @@ struct unwind_hint { #define ANNOTATE_INTRA_FUNCTION_CALL .macro UNWIND_HINT sp_reg:req sp_offset=0 type:req end=0 .endm +.macro STACK_FRAME_NON_STANDARD func:req +.endm #endif #endif /* CONFIG_STACK_VALIDATION */ diff --git a/include/linux/of_device.h b/include/linux/of_device.h index 07ca187fc5e4..1d7992a02e36 100644 --- a/include/linux/of_device.h +++ b/include/linux/of_device.h @@ -26,9 +26,6 @@ static inline int of_driver_match_device(struct device *dev, return of_match_device(drv->of_match_table, dev) != NULL; } -extern struct platform_device *of_dev_get(struct platform_device *dev); -extern void of_dev_put(struct platform_device *dev); - extern int of_device_add(struct platform_device *pdev); extern int of_device_register(struct platform_device *ofdev); extern void of_device_unregister(struct platform_device *ofdev); @@ -41,11 +38,6 @@ extern int of_device_request_module(struct device *dev); extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env); extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env); -static inline void of_device_node_put(struct device *dev) -{ - of_node_put(dev->of_node); -} - static inline struct device_node *of_cpu_device_node_get(int cpu) { struct device *cpu_dev; @@ -97,15 +89,11 @@ static inline int of_device_uevent_modalias(struct device *dev, return -ENODEV; } -static inline void of_device_node_put(struct device *dev) { } - -static inline const struct of_device_id *__of_match_device( +static inline const struct of_device_id *of_match_device( const struct of_device_id *matches, const struct device *dev) { return NULL; } -#define of_match_device(matches, dev) \ - __of_match_device(of_match_ptr(matches), (dev)) static inline struct device_node *of_cpu_device_node_get(int cpu) { diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h index e8b78139f78c..aaf219bd0354 100644 --- a/include/linux/of_irq.h +++ b/include/linux/of_irq.h @@ -33,8 +33,6 @@ static inline int of_irq_parse_oldworld(struct device_node *device, int index, #endif /* CONFIG_PPC32 && CONFIG_PPC_PMAC */ extern int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq); -extern int of_irq_parse_one(struct device_node *device, int index, - struct of_phandle_args *out_irq); extern unsigned int irq_create_of_mapping(struct of_phandle_args *irq_data); extern int of_irq_to_resource(struct device_node *dev, int index, struct resource *r); @@ -42,6 +40,8 @@ extern int of_irq_to_resource(struct device_node *dev, int index, extern void of_irq_init(const struct of_device_id *matches); #ifdef CONFIG_OF_IRQ +extern int of_irq_parse_one(struct device_node *device, int index, + struct of_phandle_args *out_irq); extern int of_irq_count(struct device_node *dev); extern int of_irq_get(struct device_node *dev, int index); extern int of_irq_get_byname(struct device_node *dev, const char *name); @@ -57,6 +57,11 @@ extern struct irq_domain *of_msi_map_get_device_domain(struct device *dev, extern void of_msi_configure(struct device *dev, struct device_node *np); u32 of_msi_map_id(struct device *dev, struct device_node *msi_np, u32 id_in); #else +static inline int of_irq_parse_one(struct device_node *device, int index, + struct of_phandle_args *out_irq) +{ + return -EINVAL; +} static inline int of_irq_count(struct device_node *dev) { return 0; diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h index cfe8c607a628..2b05e7f7c238 100644 --- a/include/linux/of_mdio.h +++ b/include/linux/of_mdio.h @@ -26,9 +26,6 @@ of_phy_connect(struct net_device *dev, struct device_node *phy_np, struct phy_device * of_phy_get_and_connect(struct net_device *dev, struct device_node *np, void (*hndlr)(struct net_device *)); -struct phy_device * -of_phy_attach(struct net_device *dev, struct device_node *phy_np, - u32 flags, phy_interface_t iface); struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np); int of_phy_register_fixed_link(struct device_node *np); @@ -100,13 +97,6 @@ of_phy_get_and_connect(struct net_device *dev, struct device_node *np, return NULL; } -static inline struct phy_device *of_phy_attach(struct net_device *dev, - struct device_node *phy_np, - u32 flags, phy_interface_t iface) -{ - return NULL; -} - static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np) { return NULL; diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h deleted file mode 100644 index b2a0f15f11fe..000000000000 --- a/include/linux/oprofile.h +++ /dev/null @@ -1,209 +0,0 @@ -/** - * @file oprofile.h - * - * API for machine-specific interrupts to interface - * to oprofile. - * - * @remark Copyright 2002 OProfile authors - * @remark Read the file COPYING - * - * @author John Levon <levon@movementarian.org> - */ - -#ifndef OPROFILE_H -#define OPROFILE_H - -#include <linux/types.h> -#include <linux/spinlock.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/printk.h> -#include <linux/atomic.h> - -/* Each escaped entry is prefixed by ESCAPE_CODE - * then one of the following codes, then the - * relevant data. - * These #defines live in this file so that arch-specific - * buffer sync'ing code can access them. - */ -#define ESCAPE_CODE ~0UL -#define CTX_SWITCH_CODE 1 -#define CPU_SWITCH_CODE 2 -#define COOKIE_SWITCH_CODE 3 -#define KERNEL_ENTER_SWITCH_CODE 4 -#define KERNEL_EXIT_SWITCH_CODE 5 -#define MODULE_LOADED_CODE 6 -#define CTX_TGID_CODE 7 -#define TRACE_BEGIN_CODE 8 -#define TRACE_END_CODE 9 -#define XEN_ENTER_SWITCH_CODE 10 -#define SPU_PROFILING_CODE 11 -#define SPU_CTX_SWITCH_CODE 12 -#define IBS_FETCH_CODE 13 -#define IBS_OP_CODE 14 - -struct dentry; -struct file_operations; -struct pt_regs; - -/* Operations structure to be filled in */ -struct oprofile_operations { - /* create any necessary configuration files in the oprofile fs. - * Optional. */ - int (*create_files)(struct dentry * root); - /* Do any necessary interrupt setup. Optional. */ - int (*setup)(void); - /* Do any necessary interrupt shutdown. Optional. */ - void (*shutdown)(void); - /* Start delivering interrupts. */ - int (*start)(void); - /* Stop delivering interrupts. */ - void (*stop)(void); - /* Arch-specific buffer sync functions. - * Return value = 0: Success - * Return value = -1: Failure - * Return value = 1: Run generic sync function - */ - int (*sync_start)(void); - int (*sync_stop)(void); - - /* Initiate a stack backtrace. Optional. */ - void (*backtrace)(struct pt_regs * const regs, unsigned int depth); - - /* Multiplex between different events. Optional. */ - int (*switch_events)(void); - /* CPU identification string. */ - char * cpu_type; -}; - -/** - * One-time initialisation. *ops must be set to a filled-in - * operations structure. This is called even in timer interrupt - * mode so an arch can set a backtrace callback. - * - * If an error occurs, the fields should be left untouched. - */ -int oprofile_arch_init(struct oprofile_operations * ops); - -/** - * One-time exit/cleanup for the arch. - */ -void oprofile_arch_exit(void); - -/** - * Add a sample. This may be called from any context. - */ -void oprofile_add_sample(struct pt_regs * const regs, unsigned long event); - -/** - * Add an extended sample. Use this when the PC is not from the regs, and - * we cannot determine if we're in kernel mode from the regs. - * - * This function does perform a backtrace. - * - */ -void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs, - unsigned long event, int is_kernel); - -/** - * Add an hardware sample. - */ -void oprofile_add_ext_hw_sample(unsigned long pc, struct pt_regs * const regs, - unsigned long event, int is_kernel, - struct task_struct *task); - -/* Use this instead when the PC value is not from the regs. Doesn't - * backtrace. */ -void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event); - -/* add a backtrace entry, to be called from the ->backtrace callback */ -void oprofile_add_trace(unsigned long eip); - - -/** - * Create a file of the given name as a child of the given root, with - * the specified file operations. - */ -int oprofilefs_create_file(struct dentry * root, - char const * name, const struct file_operations * fops); - -int oprofilefs_create_file_perm(struct dentry * root, - char const * name, const struct file_operations * fops, int perm); - -/** Create a file for read/write access to an unsigned long. */ -int oprofilefs_create_ulong(struct dentry * root, - char const * name, ulong * val); - -/** Create a file for read-only access to an unsigned long. */ -int oprofilefs_create_ro_ulong(struct dentry * root, - char const * name, ulong * val); - -/** Create a file for read-only access to an atomic_t. */ -int oprofilefs_create_ro_atomic(struct dentry * root, - char const * name, atomic_t * val); - -/** create a directory */ -struct dentry *oprofilefs_mkdir(struct dentry *parent, char const *name); - -/** - * Write the given asciz string to the given user buffer @buf, updating *offset - * appropriately. Returns bytes written or -EFAULT. - */ -ssize_t oprofilefs_str_to_user(char const * str, char __user * buf, size_t count, loff_t * offset); - -/** - * Convert an unsigned long value into ASCII and copy it to the user buffer @buf, - * updating *offset appropriately. Returns bytes written or -EFAULT. - */ -ssize_t oprofilefs_ulong_to_user(unsigned long val, char __user * buf, size_t count, loff_t * offset); - -/** - * Read an ASCII string for a number from a userspace buffer and fill *val on success. - * Returns 0 on success, < 0 on error. - */ -int oprofilefs_ulong_from_user(unsigned long * val, char const __user * buf, size_t count); - -/** lock for read/write safety */ -extern raw_spinlock_t oprofilefs_lock; - -/** - * Add the contents of a circular buffer to the event buffer. - */ -void oprofile_put_buff(unsigned long *buf, unsigned int start, - unsigned int stop, unsigned int max); - -unsigned long oprofile_get_cpu_buffer_size(void); -void oprofile_cpu_buffer_inc_smpl_lost(void); - -/* cpu buffer functions */ - -struct op_sample; - -struct op_entry { - struct ring_buffer_event *event; - struct op_sample *sample; - unsigned long size; - unsigned long *data; -}; - -void oprofile_write_reserve(struct op_entry *entry, - struct pt_regs * const regs, - unsigned long pc, int code, int size); -int oprofile_add_data(struct op_entry *entry, unsigned long val); -int oprofile_add_data64(struct op_entry *entry, u64 val); -int oprofile_write_commit(struct op_entry *entry); - -#ifdef CONFIG_HW_PERF_EVENTS -int __init oprofile_perf_init(struct oprofile_operations *ops); -void oprofile_perf_exit(void); -char *op_name_from_perf_id(void); -#else -static inline int __init oprofile_perf_init(struct oprofile_operations *ops) -{ - pr_info("oprofile: hardware counters not available\n"); - return -ENODEV; -} -static inline void oprofile_perf_exit(void) { } -#endif /* CONFIG_HW_PERF_EVENTS */ - -#endif /* OPROFILE_H */ diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index ec5d0290e0ee..04a34c08e0a6 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -592,15 +592,9 @@ static inline void ClearPageCompound(struct page *page) #ifdef CONFIG_HUGETLB_PAGE int PageHuge(struct page *page); int PageHeadHuge(struct page *page); -bool page_huge_active(struct page *page); #else TESTPAGEFLAG_FALSE(Huge) TESTPAGEFLAG_FALSE(HeadHuge) - -static inline bool page_huge_active(struct page *page) -{ - return 0; -} #endif @@ -816,7 +810,7 @@ static inline void ClearPageSlabPfmemalloc(struct page *page) /* * Flags checked when a page is freed. Pages being freed should not have - * these flags set. It they are, there is a problem. + * these flags set. If they are, there is a problem. */ #define PAGE_FLAGS_CHECK_AT_FREE \ (1UL << PG_lru | 1UL << PG_locked | \ @@ -827,7 +821,7 @@ static inline void ClearPageSlabPfmemalloc(struct page *page) /* * Flags checked when a page is prepped for return by the page allocator. - * Pages being prepped should not have these flags set. It they are set, + * Pages being prepped should not have these flags set. If they are set, * there has been a kernel bug or struct page corruption. * * __PG_HWPOISON is exceptional because it needs to be kept beyond page's diff --git a/include/linux/page_counter.h b/include/linux/page_counter.h index 85bd413e784e..679591301994 100644 --- a/include/linux/page_counter.h +++ b/include/linux/page_counter.h @@ -12,7 +12,6 @@ struct page_counter { unsigned long low; unsigned long high; unsigned long max; - struct page_counter *parent; /* effective memory.min and memory.min usage tracking */ unsigned long emin; @@ -27,6 +26,14 @@ struct page_counter { /* legacy */ unsigned long watermark; unsigned long failcnt; + + /* + * 'parent' is placed here to be far from 'usage' to reduce + * cache false sharing, as 'usage' is written mostly while + * parent is frequently read for cgroup's hierarchical + * counting nature. + */ + struct page_counter *parent; }; #if BITS_PER_LONG == 32 diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index d5570deff400..20225b067583 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -315,6 +315,7 @@ pgoff_t page_cache_prev_miss(struct address_space *mapping, #define FGP_NOWAIT 0x00000020 #define FGP_FOR_MMAP 0x00000040 #define FGP_HEAD 0x00000080 +#define FGP_ENTRY 0x00000100 struct page *pagecache_get_page(struct address_space *mapping, pgoff_t offset, int fgp_flags, gfp_t cache_gfp_mask); @@ -450,8 +451,7 @@ static inline struct page *find_subpage(struct page *head, pgoff_t index) } unsigned find_get_entries(struct address_space *mapping, pgoff_t start, - unsigned int nr_entries, struct page **entries, - pgoff_t *indices); + pgoff_t end, struct pagevec *pvec, pgoff_t *indices); unsigned find_get_pages_range(struct address_space *mapping, pgoff_t *start, pgoff_t end, unsigned int nr_pages, struct page **pages); @@ -681,8 +681,7 @@ static inline int wait_on_page_locked_killable(struct page *page) return wait_on_page_bit_killable(compound_head(page), PG_locked); } -extern void put_and_wait_on_page_locked(struct page *page); - +int put_and_wait_on_page_locked(struct page *page, int state); void wait_on_page_writeback(struct page *page); extern void end_page_writeback(struct page *page); void wait_for_stable_page(struct page *page); @@ -757,9 +756,11 @@ int add_to_page_cache_lru(struct page *page, struct address_space *mapping, pgoff_t index, gfp_t gfp_mask); extern void delete_from_page_cache(struct page *page); extern void __delete_from_page_cache(struct page *page, void *shadow); -int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask); +void replace_page_cache_page(struct page *old, struct page *new); void delete_from_page_cache_batch(struct address_space *mapping, struct pagevec *pvec); +loff_t mapping_seek_hole_data(struct address_space *, loff_t start, loff_t end, + int whence); /* * Like add_to_page_cache_locked, but used to add newly allocated pages: diff --git a/include/linux/pagevec.h b/include/linux/pagevec.h index ad4ddc17d403..7f3f19065a9f 100644 --- a/include/linux/pagevec.h +++ b/include/linux/pagevec.h @@ -25,10 +25,6 @@ struct pagevec { void __pagevec_release(struct pagevec *pvec); void __pagevec_lru_add(struct pagevec *pvec); -unsigned pagevec_lookup_entries(struct pagevec *pvec, - struct address_space *mapping, - pgoff_t start, unsigned nr_entries, - pgoff_t *indices); void pagevec_remove_exceptionals(struct pagevec *pvec); unsigned pagevec_lookup_range(struct pagevec *pvec, struct address_space *mapping, diff --git a/include/linux/parport.h b/include/linux/parport.h index 1fb508c19e83..f981f794c850 100644 --- a/include/linux/parport.h +++ b/include/linux/parport.h @@ -297,6 +297,37 @@ int __must_check __parport_register_driver(struct parport_driver *, * parport_register_driver must be a macro so that KBUILD_MODNAME can * be expanded */ + +/** + * parport_register_driver - register a parallel port device driver + * @driver: structure describing the driver + * + * This can be called by a parallel port device driver in order + * to receive notifications about ports being found in the + * system, as well as ports no longer available. + * + * If devmodel is true then the new device model is used + * for registration. + * + * The @driver structure is allocated by the caller and must not be + * deallocated until after calling parport_unregister_driver(). + * + * If using the non device model: + * The driver's attach() function may block. The port that + * attach() is given will be valid for the duration of the + * callback, but if the driver wants to take a copy of the + * pointer it must call parport_get_port() to do so. Calling + * parport_register_device() on that port will do this for you. + * + * The driver's detach() function may block. The port that + * detach() is given will be valid for the duration of the + * callback, but if the driver wants to take a copy of the + * pointer it must call parport_get_port() to do so. + * + * + * Returns 0 on success. The non device model will always succeeds. + * but the new device model can fail and will return the error code. + **/ #define parport_register_driver(driver) \ __parport_register_driver(driver, THIS_MODULE, KBUILD_MODNAME) diff --git a/include/linux/parser.h b/include/linux/parser.h index 89e2b23fb888..dd79f45a37b8 100644 --- a/include/linux/parser.h +++ b/include/linux/parser.h @@ -29,6 +29,7 @@ typedef struct { int match_token(char *, const match_table_t table, substring_t args[]); int match_int(substring_t *, int *result); +int match_uint(substring_t *s, unsigned int *result); int match_u64(substring_t *, u64 *result); int match_octal(substring_t *, int *result); int match_hex(substring_t *, int *result); diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h index cc66bec8be90..b82c9b100e97 100644 --- a/include/linux/pci-epc.h +++ b/include/linux/pci-epc.h @@ -13,6 +13,12 @@ struct pci_epc; +enum pci_epc_interface_type { + UNKNOWN_INTERFACE = -1, + PRIMARY_INTERFACE, + SECONDARY_INTERFACE, +}; + enum pci_epc_irq_type { PCI_EPC_IRQ_UNKNOWN, PCI_EPC_IRQ_LEGACY, @@ -20,6 +26,19 @@ enum pci_epc_irq_type { PCI_EPC_IRQ_MSIX, }; +static inline const char * +pci_epc_interface_string(enum pci_epc_interface_type type) +{ + switch (type) { + case PRIMARY_INTERFACE: + return "primary"; + case SECONDARY_INTERFACE: + return "secondary"; + default: + return "UNKNOWN interface"; + } +} + /** * struct pci_epc_ops - set of function pointers for performing EPC operations * @write_header: ops to populate configuration space header @@ -36,6 +55,7 @@ enum pci_epc_irq_type { * @get_msix: ops to get the number of MSI-X interrupts allocated by the RC * from the MSI-X capability register * @raise_irq: ops to raise a legacy, MSI or MSI-X interrupt + * @map_msi_irq: ops to map physical address to MSI address and return MSI data * @start: ops to start the PCI link * @stop: ops to stop the PCI link * @owner: the module owner containing the ops @@ -58,6 +78,10 @@ struct pci_epc_ops { int (*get_msix)(struct pci_epc *epc, u8 func_no); int (*raise_irq)(struct pci_epc *epc, u8 func_no, enum pci_epc_irq_type type, u16 interrupt_num); + int (*map_msi_irq)(struct pci_epc *epc, u8 func_no, + phys_addr_t phys_addr, u8 interrupt_num, + u32 entry_size, u32 *msi_data, + u32 *msi_addr_offset); int (*start)(struct pci_epc *epc); void (*stop)(struct pci_epc *epc); const struct pci_epc_features* (*get_features)(struct pci_epc *epc, @@ -175,10 +199,12 @@ __pci_epc_create(struct device *dev, const struct pci_epc_ops *ops, struct module *owner); void devm_pci_epc_destroy(struct device *dev, struct pci_epc *epc); void pci_epc_destroy(struct pci_epc *epc); -int pci_epc_add_epf(struct pci_epc *epc, struct pci_epf *epf); +int pci_epc_add_epf(struct pci_epc *epc, struct pci_epf *epf, + enum pci_epc_interface_type type); void pci_epc_linkup(struct pci_epc *epc); void pci_epc_init_notify(struct pci_epc *epc); -void pci_epc_remove_epf(struct pci_epc *epc, struct pci_epf *epf); +void pci_epc_remove_epf(struct pci_epc *epc, struct pci_epf *epf, + enum pci_epc_interface_type type); int pci_epc_write_header(struct pci_epc *epc, u8 func_no, struct pci_epf_header *hdr); int pci_epc_set_bar(struct pci_epc *epc, u8 func_no, @@ -195,14 +221,19 @@ int pci_epc_get_msi(struct pci_epc *epc, u8 func_no); int pci_epc_set_msix(struct pci_epc *epc, u8 func_no, u16 interrupts, enum pci_barno, u32 offset); int pci_epc_get_msix(struct pci_epc *epc, u8 func_no); +int pci_epc_map_msi_irq(struct pci_epc *epc, u8 func_no, + phys_addr_t phys_addr, u8 interrupt_num, + u32 entry_size, u32 *msi_data, u32 *msi_addr_offset); int pci_epc_raise_irq(struct pci_epc *epc, u8 func_no, enum pci_epc_irq_type type, u16 interrupt_num); int pci_epc_start(struct pci_epc *epc); void pci_epc_stop(struct pci_epc *epc); const struct pci_epc_features *pci_epc_get_features(struct pci_epc *epc, u8 func_no); -unsigned int pci_epc_get_first_free_bar(const struct pci_epc_features - *epc_features); +enum pci_barno +pci_epc_get_first_free_bar(const struct pci_epc_features *epc_features); +enum pci_barno pci_epc_get_next_free_bar(const struct pci_epc_features + *epc_features, enum pci_barno bar); struct pci_epc *pci_epc_get(const char *epc_name); void pci_epc_put(struct pci_epc *epc); diff --git a/include/linux/pci-epf.h b/include/linux/pci-epf.h index 6644ff3b0702..6833e2160ef1 100644 --- a/include/linux/pci-epf.h +++ b/include/linux/pci-epf.h @@ -9,11 +9,13 @@ #ifndef __LINUX_PCI_EPF_H #define __LINUX_PCI_EPF_H +#include <linux/configfs.h> #include <linux/device.h> #include <linux/mod_devicetable.h> #include <linux/pci.h> struct pci_epf; +enum pci_epc_interface_type; enum pci_notify_event { CORE_INIT, @@ -21,6 +23,7 @@ enum pci_notify_event { }; enum pci_barno { + NO_BAR = -1, BAR_0, BAR_1, BAR_2, @@ -60,10 +63,13 @@ struct pci_epf_header { * @bind: ops to perform when a EPC device has been bound to EPF device * @unbind: ops to perform when a binding has been lost between a EPC device * and EPF device + * @add_cfs: ops to initialize function specific configfs attributes */ struct pci_epf_ops { int (*bind)(struct pci_epf *epf); void (*unbind)(struct pci_epf *epf); + struct config_group *(*add_cfs)(struct pci_epf *epf, + struct config_group *group); }; /** @@ -118,6 +124,12 @@ struct pci_epf_bar { * @list: to add pci_epf as a list of PCI endpoint functions to pci_epc * @nb: notifier block to notify EPF of any EPC events (like linkup) * @lock: mutex to protect pci_epf_ops + * @sec_epc: the secondary EPC device to which this EPF device is bound + * @sec_epc_list: to add pci_epf as list of PCI endpoint functions to secondary + * EPC device + * @sec_epc_bar: represents the BAR of EPF device associated with secondary EPC + * @sec_epc_func_no: unique (physical) function number within the secondary EPC + * @group: configfs group associated with the EPF device */ struct pci_epf { struct device dev; @@ -134,6 +146,13 @@ struct pci_epf { struct notifier_block nb; /* mutex to protect against concurrent access of pci_epf_ops */ struct mutex lock; + + /* Below members are to attach secondary EPC to an endpoint function */ + struct pci_epc *sec_epc; + struct list_head sec_epc_list; + struct pci_epf_bar sec_epc_bar[6]; + u8 sec_epc_func_no; + struct config_group *group; }; /** @@ -164,16 +183,17 @@ static inline void *epf_get_drvdata(struct pci_epf *epf) return dev_get_drvdata(&epf->dev); } -const struct pci_epf_device_id * -pci_epf_match_device(const struct pci_epf_device_id *id, struct pci_epf *epf); struct pci_epf *pci_epf_create(const char *name); void pci_epf_destroy(struct pci_epf *epf); int __pci_epf_register_driver(struct pci_epf_driver *driver, struct module *owner); void pci_epf_unregister_driver(struct pci_epf_driver *driver); void *pci_epf_alloc_space(struct pci_epf *epf, size_t size, enum pci_barno bar, - size_t align); -void pci_epf_free_space(struct pci_epf *epf, void *addr, enum pci_barno bar); + size_t align, enum pci_epc_interface_type type); +void pci_epf_free_space(struct pci_epf *epf, void *addr, enum pci_barno bar, + enum pci_epc_interface_type type); int pci_epf_bind(struct pci_epf *epf); void pci_epf_unbind(struct pci_epf *epf); +struct config_group *pci_epf_type_add_cfs(struct pci_epf *epf, + struct config_group *group); #endif /* __LINUX_PCI_EPF_H */ diff --git a/include/linux/pci.h b/include/linux/pci.h index b32126d26997..86c799c97b77 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1232,6 +1232,15 @@ void pci_update_resource(struct pci_dev *dev, int resno); int __must_check pci_assign_resource(struct pci_dev *dev, int i); int __must_check pci_reassign_resource(struct pci_dev *dev, int i, resource_size_t add_size, resource_size_t align); void pci_release_resource(struct pci_dev *dev, int resno); +static inline int pci_rebar_bytes_to_size(u64 bytes) +{ + bytes = roundup_pow_of_two(bytes); + + /* Return BAR size as defined in the resizable BAR specification */ + return max(ilog2(bytes), 20) - 20; +} + +u32 pci_rebar_get_possible_sizes(struct pci_dev *pdev, int bar); int __must_check pci_resize_resource(struct pci_dev *dev, int i, int size); int pci_select_bars(struct pci_dev *dev, unsigned long flags); bool pci_device_is_present(struct pci_dev *pdev); @@ -1917,7 +1926,7 @@ enum pci_fixup_pass { }; #ifdef CONFIG_HAVE_ARCH_PREL32_RELOCATIONS -#define __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \ +#define ___DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \ class_shift, hook) \ __ADDRESSABLE(hook) \ asm(".section " #sec ", \"a\" \n" \ @@ -1926,10 +1935,33 @@ enum pci_fixup_pass { ".long " #class ", " #class_shift " \n" \ ".long " #hook " - . \n" \ ".previous \n"); + +/* + * Clang's LTO may rename static functions in C, but has no way to + * handle such renamings when referenced from inline asm. To work + * around this, create global C stubs for these cases. + */ +#ifdef CONFIG_LTO_CLANG +#define __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \ + class_shift, hook, stub) \ + void stub(struct pci_dev *dev); \ + void stub(struct pci_dev *dev) \ + { \ + hook(dev); \ + } \ + ___DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \ + class_shift, stub) +#else +#define __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \ + class_shift, hook, stub) \ + ___DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \ + class_shift, hook) +#endif + #define DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \ class_shift, hook) \ __DECLARE_PCI_FIXUP_SECTION(sec, name, vendor, device, class, \ - class_shift, hook) + class_shift, hook, __UNIQUE_ID(hook)) #else /* Anonymous variables would be nice... */ #define DECLARE_PCI_FIXUP_SECTION(section, name, vendor, device, class, \ diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index d8156a5dbee8..a76ccb697bef 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -51,6 +51,7 @@ #define PCI_BASE_CLASS_MEMORY 0x05 #define PCI_CLASS_MEMORY_RAM 0x0500 #define PCI_CLASS_MEMORY_FLASH 0x0501 +#define PCI_CLASS_MEMORY_CXL 0x0502 #define PCI_CLASS_MEMORY_OTHER 0x0580 #define PCI_BASE_CLASS_BRIDGE 0x06 @@ -881,6 +882,7 @@ #define PCI_DEVICE_ID_TI_X620 0xac8d #define PCI_DEVICE_ID_TI_X420 0xac8e #define PCI_DEVICE_ID_TI_XX20_FM 0xac8f +#define PCI_DEVICE_ID_TI_J721E 0xb00d #define PCI_DEVICE_ID_TI_DRA74x 0xb500 #define PCI_DEVICE_ID_TI_DRA72x 0xb501 @@ -2588,6 +2590,8 @@ #define PCI_VENDOR_ID_REDHAT 0x1b36 +#define PCI_VENDOR_ID_SILICOM_DENMARK 0x1c2c + #define PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS 0x1c36 #define PCI_VENDOR_ID_CIRCUITCO 0x1cc8 diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 9a38f579bc76..3f7f89ea5e51 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -606,6 +606,7 @@ struct swevent_hlist { #define PERF_ATTACH_TASK 0x04 #define PERF_ATTACH_TASK_DATA 0x08 #define PERF_ATTACH_ITRACE 0x10 +#define PERF_ATTACH_SCHED_CB 0x20 struct perf_cgroup; struct perf_buffer; @@ -872,6 +873,7 @@ struct perf_cpu_context { struct list_head cgrp_cpuctx_entry; #endif + struct list_head sched_cb_entry; int sched_cb_usage; int online; @@ -998,7 +1000,7 @@ struct perf_sample_data { struct perf_raw_record *raw; struct perf_branch_stack *br_stack; u64 period; - u64 weight; + union perf_sample_weight weight; u64 txn; union perf_mem_data_src data_src; @@ -1047,7 +1049,7 @@ static inline void perf_sample_data_init(struct perf_sample_data *data, data->raw = NULL; data->br_stack = NULL; data->period = period; - data->weight = 0; + data->weight.full = 0; data->data_src.val = PERF_MEM_NA; data->txn = 0; } diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 8fcdfa52eb4b..5e772392a379 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -432,14 +432,6 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres * To be differentiate with macro pte_mkyoung, this macro is used on platforms * where software maintains page access bit. */ -#ifndef pte_sw_mkyoung -static inline pte_t pte_sw_mkyoung(pte_t pte) -{ - return pte; -} -#define pte_sw_mkyoung pte_sw_mkyoung -#endif - #ifndef pte_savedwrite #define pte_savedwrite pte_write #endif @@ -912,6 +904,10 @@ static inline void ptep_modify_prot_commit(struct vm_area_struct *vma, #define pgprot_device pgprot_noncached #endif +#ifndef pgprot_mhp +#define pgprot_mhp(prot) (prot) +#endif + #ifdef CONFIG_MMU #ifndef pgprot_modify #define pgprot_modify pgprot_modify @@ -1314,6 +1310,17 @@ static inline int pmd_trans_unstable(pmd_t *pmd) #endif } +/* + * the ordering of these checks is important for pmds with _page_devmap set. + * if we check pmd_trans_unstable() first we will trip the bad_pmd() check + * inside of pmd_none_or_trans_huge_or_clear_bad(). this will end up correctly + * returning 1 but not before it spams dmesg with the pmd_clear_bad() output. + */ +static inline int pmd_devmap_trans_unstable(pmd_t *pmd) +{ + return pmd_devmap(*pmd) || pmd_trans_unstable(pmd); +} + #ifndef CONFIG_NUMA_BALANCING /* * Technically a PTE can be PROTNONE even when not doing NUMA balancing but diff --git a/include/linux/phy.h b/include/linux/phy.h index 9effb511acde..1a12e4436b5b 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -71,11 +71,11 @@ extern const int phy_10gbit_features_array[1]; /* * Set phydev->irq to PHY_POLL if interrupts are not supported, - * or not desired for this PHY. Set to PHY_IGNORE_INTERRUPT if - * the attached driver handles the interrupt + * or not desired for this PHY. Set to PHY_MAC_INTERRUPT if + * the attached MAC driver handles the interrupt */ #define PHY_POLL -1 -#define PHY_IGNORE_INTERRUPT -2 +#define PHY_MAC_INTERRUPT -2 #define PHY_IS_INTERNAL 0x00000001 #define PHY_RST_AFTER_CLK_EN 0x00000002 @@ -104,8 +104,10 @@ extern const int phy_10gbit_features_array[1]; * @PHY_INTERFACE_MODE_MOCA: Multimedia over Coax * @PHY_INTERFACE_MODE_QSGMII: Quad SGMII * @PHY_INTERFACE_MODE_TRGMII: Turbo RGMII + * @PHY_INTERFACE_MODE_100BASEX: 100 BaseX * @PHY_INTERFACE_MODE_1000BASEX: 1000 BaseX * @PHY_INTERFACE_MODE_2500BASEX: 2500 BaseX + * @PHY_INTERFACE_MODE_5GBASER: 5G BaseR * @PHY_INTERFACE_MODE_RXAUI: Reduced XAUI * @PHY_INTERFACE_MODE_XAUI: 10 Gigabit Attachment Unit Interface * @PHY_INTERFACE_MODE_10GBASER: 10G BaseR @@ -135,8 +137,10 @@ typedef enum { PHY_INTERFACE_MODE_MOCA, PHY_INTERFACE_MODE_QSGMII, PHY_INTERFACE_MODE_TRGMII, + PHY_INTERFACE_MODE_100BASEX, PHY_INTERFACE_MODE_1000BASEX, PHY_INTERFACE_MODE_2500BASEX, + PHY_INTERFACE_MODE_5GBASER, PHY_INTERFACE_MODE_RXAUI, PHY_INTERFACE_MODE_XAUI, /* 10GBASE-R, XFI, SFI - single lane 10G Serdes */ @@ -207,6 +211,8 @@ static inline const char *phy_modes(phy_interface_t interface) return "1000base-x"; case PHY_INTERFACE_MODE_2500BASEX: return "2500base-x"; + case PHY_INTERFACE_MODE_5GBASER: + return "5gbase-r"; case PHY_INTERFACE_MODE_RXAUI: return "rxaui"; case PHY_INTERFACE_MODE_XAUI: @@ -217,6 +223,8 @@ static inline const char *phy_modes(phy_interface_t interface) return "usxgmii"; case PHY_INTERFACE_MODE_10GKR: return "10gbase-kr"; + case PHY_INTERFACE_MODE_100BASEX: + return "100base-x"; default: return "unknown"; } @@ -484,6 +492,7 @@ struct macsec_ops; * @sysfs_links: Internal boolean tracking sysfs symbolic links setup/removal. * @loopback_enabled: Set true if this PHY has been loopbacked successfully. * @downshifted_rate: Set true if link speed has been downshifted. + * @is_on_sfp_module: Set true if PHY is located on an SFP module. * @state: State of the PHY for management purposes * @dev_flags: Device-specific flags used by the PHY driver. * @irq: IRQ number of the PHY's interrupt (-1 if none) @@ -499,6 +508,7 @@ struct macsec_ops; * * @speed: Current link speed * @duplex: Current duplex + * @port: Current port * @pause: Current pause * @asym_pause: Current asymmetric pause * @supported: Combined MAC/PHY supported linkmodes @@ -556,6 +566,7 @@ struct phy_device { unsigned sysfs_links:1; unsigned loopback_enabled:1; unsigned downshifted_rate:1; + unsigned is_on_sfp_module:1; unsigned autoneg:1; /* The most recently read link state */ @@ -577,6 +588,7 @@ struct phy_device { */ int speed; int duplex; + int port; int pause; int asym_pause; u8 master_slave_get; @@ -644,8 +656,11 @@ struct phy_device { const struct macsec_ops *macsec_ops; #endif }; -#define to_phy_device(d) container_of(to_mdio_device(d), \ - struct phy_device, mdio) + +static inline struct phy_device *to_phy_device(const struct device *dev) +{ + return container_of(to_mdio_device(dev), struct phy_device, mdio); +} /** * struct phy_tdr_config - Configuration of a TDR raw test @@ -1193,11 +1208,11 @@ static inline int phy_clear_bits_mmd(struct phy_device *phydev, int devad, * @phydev: the phy_device struct * * NOTE: must be kept in sync with addition/removal of PHY_POLL and - * PHY_IGNORE_INTERRUPT + * PHY_MAC_INTERRUPT */ static inline bool phy_interrupt_is_valid(struct phy_device *phydev) { - return phydev->irq != PHY_POLL && phydev->irq != PHY_IGNORE_INTERRUPT; + return phydev->irq != PHY_POLL && phydev->irq != PHY_MAC_INTERRUPT; } /** @@ -1284,6 +1299,15 @@ static inline bool phy_is_internal(struct phy_device *phydev) } /** + * phy_on_sfp - Convenience function for testing if a PHY is on an SFP module + * @phydev: the phy_device struct + */ +static inline bool phy_on_sfp(struct phy_device *phydev) +{ + return phydev->is_on_sfp_module; +} + +/** * phy_interface_mode_is_rgmii - Convenience function for testing if a * PHY interface mode is RGMII (all variants) * @mode: the &phy_interface_t enum diff --git a/include/linux/platform_data/clk-u300.h b/include/linux/platform_data/clk-u300.h deleted file mode 100644 index 8429e73911a1..000000000000 --- a/include/linux/platform_data/clk-u300.h +++ /dev/null @@ -1 +0,0 @@ -void __init u300_clk_init(void __iomem *base); diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h index 86376779ab31..5ff8597ceabd 100644 --- a/include/linux/platform_data/cros_ec_commands.h +++ b/include/linux/platform_data/cros_ec_commands.h @@ -1286,6 +1286,16 @@ enum ec_feature_code { EC_FEATURE_ISH = 40, /* New TCPMv2 TYPEC_ prefaced commands supported */ EC_FEATURE_TYPEC_CMD = 41, + /* + * The EC will wait for direction from the AP to enter Type-C alternate + * modes or USB4. + */ + EC_FEATURE_TYPEC_REQUIRE_AP_MODE_ENTRY = 42, + /* + * The EC will wait for an acknowledge from the AP after setting the + * mux. + */ + EC_FEATURE_TYPEC_MUX_REQUIRE_AP_ACK = 43, }; #define EC_FEATURE_MASK_0(event_code) BIT(event_code % 32) @@ -4600,6 +4610,7 @@ enum ec_codec_i2s_rx_subcmd { EC_CODEC_I2S_RX_SET_SAMPLE_DEPTH = 0x2, EC_CODEC_I2S_RX_SET_DAIFMT = 0x3, EC_CODEC_I2S_RX_SET_BCLK = 0x4, + EC_CODEC_I2S_RX_RESET = 0x5, EC_CODEC_I2S_RX_SUBCMD_COUNT, }; @@ -4731,6 +4742,7 @@ enum ec_reboot_cmd { EC_REBOOT_DISABLE_JUMP = 5, /* Disable jump until next reboot */ EC_REBOOT_HIBERNATE = 6, /* Hibernate EC */ EC_REBOOT_HIBERNATE_CLEAR_AP_OFF = 7, /* and clears AP_OFF flag */ + EC_REBOOT_COLD_AP_OFF = 8, /* Cold-reboot and don't boot AP */ }; /* Flags for ec_params_reboot_ec.reboot_flags */ @@ -5567,6 +5579,32 @@ struct ec_response_typec_discovery { struct svid_mode_info svids[0]; } __ec_align1; +/* USB Type-C commands for AP-controlled device policy. */ +#define EC_CMD_TYPEC_CONTROL 0x0132 + +enum typec_control_command { + TYPEC_CONTROL_COMMAND_EXIT_MODES, + TYPEC_CONTROL_COMMAND_CLEAR_EVENTS, + TYPEC_CONTROL_COMMAND_ENTER_MODE, +}; + +struct ec_params_typec_control { + uint8_t port; + uint8_t command; /* enum typec_control_command */ + uint16_t reserved; + + /* + * This section will be interpreted based on |command|. Define a + * placeholder structure to avoid having to increase the size and bump + * the command version when adding new sub-commands. + */ + union { + uint32_t clear_events_mask; + uint8_t mode_to_enter; /* enum typec_mode */ + uint8_t placeholder[128]; + }; +} __ec_align1; + /* * Gather all status information for a port. * @@ -6054,6 +6092,13 @@ struct ec_params_charger_control { uint8_t allow_charging; } __ec_align_size1; +/* Get ACK from the USB-C SS muxes */ +#define EC_CMD_USB_PD_MUX_ACK 0x0603 + +struct ec_params_usb_pd_mux_ack { + uint8_t port; /* USB-C port number */ +} __ec_align1; + /*****************************************************************************/ /* * Reserve a range of host commands for board-specific, experimental, or diff --git a/include/linux/platform_data/dma-atmel.h b/include/linux/platform_data/dma-atmel.h deleted file mode 100644 index 069637e6004f..000000000000 --- a/include/linux/platform_data/dma-atmel.h +++ /dev/null @@ -1,61 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Header file for the Atmel AHB DMA Controller driver - * - * Copyright (C) 2008 Atmel Corporation - */ -#ifndef AT_HDMAC_H -#define AT_HDMAC_H - -#include <linux/dmaengine.h> - -/** - * struct at_dma_platform_data - Controller configuration parameters - * @nr_channels: Number of channels supported by hardware (max 8) - * @cap_mask: dma_capability flags supported by the platform - */ -struct at_dma_platform_data { - unsigned int nr_channels; - dma_cap_mask_t cap_mask; -}; - -/** - * struct at_dma_slave - Controller-specific information about a slave - * @dma_dev: required DMA master device - * @cfg: Platform-specific initializer for the CFG register - */ -struct at_dma_slave { - struct device *dma_dev; - u32 cfg; -}; - - -/* Platform-configurable bits in CFG */ -#define ATC_PER_MSB(h) ((0x30U & (h)) >> 4) /* Extract most significant bits of a handshaking identifier */ - -#define ATC_SRC_PER(h) (0xFU & (h)) /* Channel src rq associated with periph handshaking ifc h */ -#define ATC_DST_PER(h) ((0xFU & (h)) << 4) /* Channel dst rq associated with periph handshaking ifc h */ -#define ATC_SRC_REP (0x1 << 8) /* Source Replay Mod */ -#define ATC_SRC_H2SEL (0x1 << 9) /* Source Handshaking Mod */ -#define ATC_SRC_H2SEL_SW (0x0 << 9) -#define ATC_SRC_H2SEL_HW (0x1 << 9) -#define ATC_SRC_PER_MSB(h) (ATC_PER_MSB(h) << 10) /* Channel src rq (most significant bits) */ -#define ATC_DST_REP (0x1 << 12) /* Destination Replay Mod */ -#define ATC_DST_H2SEL (0x1 << 13) /* Destination Handshaking Mod */ -#define ATC_DST_H2SEL_SW (0x0 << 13) -#define ATC_DST_H2SEL_HW (0x1 << 13) -#define ATC_DST_PER_MSB(h) (ATC_PER_MSB(h) << 14) /* Channel dst rq (most significant bits) */ -#define ATC_SOD (0x1 << 16) /* Stop On Done */ -#define ATC_LOCK_IF (0x1 << 20) /* Interface Lock */ -#define ATC_LOCK_B (0x1 << 21) /* AHB Bus Lock */ -#define ATC_LOCK_IF_L (0x1 << 22) /* Master Interface Arbiter Lock */ -#define ATC_LOCK_IF_L_CHUNK (0x0 << 22) -#define ATC_LOCK_IF_L_BUFFER (0x1 << 22) -#define ATC_AHB_PROT_MASK (0x7 << 24) /* AHB Protection */ -#define ATC_FIFOCFG_MASK (0x3 << 28) /* FIFO Request Configuration */ -#define ATC_FIFOCFG_LARGESTBURST (0x0 << 28) -#define ATC_FIFOCFG_HALFFIFO (0x1 << 28) -#define ATC_FIFOCFG_ENOUGHSPACE (0x2 << 28) - - -#endif /* AT_HDMAC_H */ diff --git a/include/linux/platform_data/dma-coh901318.h b/include/linux/platform_data/dma-coh901318.h deleted file mode 100644 index 4cca529f8d56..000000000000 --- a/include/linux/platform_data/dma-coh901318.h +++ /dev/null @@ -1,72 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Platform data for the COH901318 DMA controller - * Copyright (C) 2007-2013 ST-Ericsson - */ - -#ifndef PLAT_COH901318_H -#define PLAT_COH901318_H - -#ifdef CONFIG_COH901318 - -/* We only support the U300 DMA channels */ -#define U300_DMA_MSL_TX_0 0 -#define U300_DMA_MSL_TX_1 1 -#define U300_DMA_MSL_TX_2 2 -#define U300_DMA_MSL_TX_3 3 -#define U300_DMA_MSL_TX_4 4 -#define U300_DMA_MSL_TX_5 5 -#define U300_DMA_MSL_TX_6 6 -#define U300_DMA_MSL_RX_0 7 -#define U300_DMA_MSL_RX_1 8 -#define U300_DMA_MSL_RX_2 9 -#define U300_DMA_MSL_RX_3 10 -#define U300_DMA_MSL_RX_4 11 -#define U300_DMA_MSL_RX_5 12 -#define U300_DMA_MSL_RX_6 13 -#define U300_DMA_MMCSD_RX_TX 14 -#define U300_DMA_MSPRO_TX 15 -#define U300_DMA_MSPRO_RX 16 -#define U300_DMA_UART0_TX 17 -#define U300_DMA_UART0_RX 18 -#define U300_DMA_APEX_TX 19 -#define U300_DMA_APEX_RX 20 -#define U300_DMA_PCM_I2S0_TX 21 -#define U300_DMA_PCM_I2S0_RX 22 -#define U300_DMA_PCM_I2S1_TX 23 -#define U300_DMA_PCM_I2S1_RX 24 -#define U300_DMA_XGAM_CDI 25 -#define U300_DMA_XGAM_PDI 26 -#define U300_DMA_SPI_TX 27 -#define U300_DMA_SPI_RX 28 -#define U300_DMA_GENERAL_PURPOSE_0 29 -#define U300_DMA_GENERAL_PURPOSE_1 30 -#define U300_DMA_GENERAL_PURPOSE_2 31 -#define U300_DMA_GENERAL_PURPOSE_3 32 -#define U300_DMA_GENERAL_PURPOSE_4 33 -#define U300_DMA_GENERAL_PURPOSE_5 34 -#define U300_DMA_GENERAL_PURPOSE_6 35 -#define U300_DMA_GENERAL_PURPOSE_7 36 -#define U300_DMA_GENERAL_PURPOSE_8 37 -#define U300_DMA_UART1_TX 38 -#define U300_DMA_UART1_RX 39 - -#define U300_DMA_DEVICE_CHANNELS 32 -#define U300_DMA_CHANNELS 40 - -/** - * coh901318_filter_id() - DMA channel filter function - * @chan: dma channel handle - * @chan_id: id of dma channel to be filter out - * - * In dma_request_channel() it specifies what channel id to be requested - */ -bool coh901318_filter_id(struct dma_chan *chan, void *chan_id); -#else -static inline bool coh901318_filter_id(struct dma_chan *chan, void *chan_id) -{ - return false; -} -#endif - -#endif /* PLAT_COH901318_H */ diff --git a/include/linux/platform_data/dma-imx-sdma.h b/include/linux/platform_data/dma-imx-sdma.h index 30e676b36b24..725602d9df91 100644 --- a/include/linux/platform_data/dma-imx-sdma.h +++ b/include/linux/platform_data/dma-imx-sdma.h @@ -57,15 +57,4 @@ struct sdma_script_start_addrs { /* End of v4 array */ }; -/** - * struct sdma_platform_data - platform specific data for SDMA engine - * - * @fw_name The firmware name - * @script_addrs SDMA scripts addresses in SDMA ROM - */ -struct sdma_platform_data { - char *fw_name; - struct sdma_script_start_addrs *script_addrs; -}; - #endif /* __MACH_MXC_SDMA_H__ */ diff --git a/include/linux/platform_data/efm32-spi.h b/include/linux/platform_data/efm32-spi.h deleted file mode 100644 index a2c56fcd0534..000000000000 --- a/include/linux/platform_data/efm32-spi.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __LINUX_PLATFORM_DATA_EFM32_SPI_H__ -#define __LINUX_PLATFORM_DATA_EFM32_SPI_H__ - -#include <linux/types.h> - -/** - * struct efm32_spi_pdata - * @location: pinmux location for the I/O pins (to be written to the ROUTE - * register) - */ -struct efm32_spi_pdata { - u8 location; -}; -#endif /* ifndef __LINUX_PLATFORM_DATA_EFM32_SPI_H__ */ diff --git a/include/linux/platform_data/efm32-uart.h b/include/linux/platform_data/efm32-uart.h deleted file mode 100644 index ccbb8f11db75..000000000000 --- a/include/linux/platform_data/efm32-uart.h +++ /dev/null @@ -1,19 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * - * - */ -#ifndef __LINUX_PLATFORM_DATA_EFM32_UART_H__ -#define __LINUX_PLATFORM_DATA_EFM32_UART_H__ - -#include <linux/types.h> - -/** - * struct efm32_uart_pdata - * @location: pinmux location for the I/O pins (to be written to the ROUTE - * register) - */ -struct efm32_uart_pdata { - u8 location; -}; -#endif /* ifndef __LINUX_PLATFORM_DATA_EFM32_UART_H__ */ diff --git a/include/linux/platform_data/i2c-hid.h b/include/linux/platform_data/i2c-hid.h deleted file mode 100644 index c628bb5e1061..000000000000 --- a/include/linux/platform_data/i2c-hid.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * HID over I2C protocol implementation - * - * Copyright (c) 2012 Benjamin Tissoires <benjamin.tissoires@gmail.com> - * Copyright (c) 2012 Ecole Nationale de l'Aviation Civile, France - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive for - * more details. - */ - -#ifndef __LINUX_I2C_HID_H -#define __LINUX_I2C_HID_H - -#include <linux/regulator/consumer.h> -#include <linux/types.h> - -/** - * struct i2chid_platform_data - used by hid over i2c implementation. - * @hid_descriptor_address: i2c register where the HID descriptor is stored. - * @supplies: regulators for powering on the device. - * @post_power_delay_ms: delay after powering on before device is usable. - * - * Note that it is the responsibility of the platform driver (or the acpi 5.0 - * driver, or the flattened device tree) to setup the irq related to the gpio in - * the struct i2c_board_info. - * The platform driver should also setup the gpio according to the device: - * - * A typical example is the following: - * irq = gpio_to_irq(intr_gpio); - * hkdk4412_i2c_devs5[0].irq = irq; // store the irq in i2c_board_info - * gpio_request(intr_gpio, "elan-irq"); - * s3c_gpio_setpull(intr_gpio, S3C_GPIO_PULL_UP); - */ -struct i2c_hid_platform_data { - u16 hid_descriptor_address; - struct regulator_bulk_data supplies[2]; - int post_power_delay_ms; -}; - -#endif /* __LINUX_I2C_HID_H */ diff --git a/include/linux/platform_data/mlxcpld.h b/include/linux/platform_data/mlxcpld.h new file mode 100644 index 000000000000..d7610b528856 --- /dev/null +++ b/include/linux/platform_data/mlxcpld.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ +/* + * Mellanox I2C multiplexer support in CPLD + * + * Copyright (C) 2016-2020 Mellanox Technologies + */ + +#ifndef _LINUX_I2C_MLXCPLD_H +#define _LINUX_I2C_MLXCPLD_H + +/* Platform data for the CPLD I2C multiplexers */ + +/* mlxcpld_mux_plat_data - per mux data, used with i2c_register_board_info + * @chan_ids - channels array + * @num_adaps - number of adapters + * @sel_reg_addr - mux select register offset in CPLD space + * @reg_size: register size in bytes + * @handle: handle to be passed by callback + * @completion_notify: callback to notify when all the adapters are created + */ +struct mlxcpld_mux_plat_data { + int *chan_ids; + int num_adaps; + int sel_reg_addr; + u8 reg_size; + void *handle; + int (*completion_notify)(void *handle, struct i2c_adapter *parent, + struct i2c_adapter *adapters[]); +}; + +#endif /* _LINUX_I2C_MLXCPLD_H */ diff --git a/include/linux/platform_data/mmc-omap.h b/include/linux/platform_data/mmc-omap.h index f0b8947e6b07..91051e9907f3 100644 --- a/include/linux/platform_data/mmc-omap.h +++ b/include/linux/platform_data/mmc-omap.h @@ -108,8 +108,7 @@ struct omap_mmc_platform_data { const char *name; u32 ocr_mask; - /* Card detection IRQs */ - int card_detect_irq; + /* Card detection */ int (*card_detect)(struct device *dev, int slot); unsigned int ban_openended:1; diff --git a/include/linux/platform_data/x86/mlxcpld.h b/include/linux/platform_data/x86/mlxcpld.h deleted file mode 100644 index b08dcb183fca..000000000000 --- a/include/linux/platform_data/x86/mlxcpld.h +++ /dev/null @@ -1,52 +0,0 @@ -/* - * mlxcpld.h - Mellanox I2C multiplexer support in CPLD - * - * Copyright (c) 2016 Mellanox Technologies. All rights reserved. - * Copyright (c) 2016 Michael Shych <michaels@mellanox.com> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the names of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _LINUX_I2C_MLXCPLD_H -#define _LINUX_I2C_MLXCPLD_H - -/* Platform data for the CPLD I2C multiplexers */ - -/* mlxcpld_mux_plat_data - per mux data, used with i2c_register_board_info - * @adap_ids - adapter array - * @num_adaps - number of adapters - * @sel_reg_addr - mux select register offset in CPLD space - */ -struct mlxcpld_mux_plat_data { - int *adap_ids; - int num_adaps; - int sel_reg_addr; -}; - -#endif /* _LINUX_I2C_MLXCPLD_H */ diff --git a/include/linux/platform_profile.h b/include/linux/platform_profile.h new file mode 100644 index 000000000000..a6329003aee7 --- /dev/null +++ b/include/linux/platform_profile.h @@ -0,0 +1,41 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Platform profile sysfs interface + * + * See Documentation/ABI/testing/sysfs-platform_profile.rst for more + * information. + */ + +#ifndef _PLATFORM_PROFILE_H_ +#define _PLATFORM_PROFILE_H_ + +#include <linux/bitops.h> + +/* + * If more options are added please update profile_names array in + * platform_profile.c and sysfs-platform_profile documentation. + */ + +enum platform_profile_option { + PLATFORM_PROFILE_LOW_POWER, + PLATFORM_PROFILE_COOL, + PLATFORM_PROFILE_QUIET, + PLATFORM_PROFILE_BALANCED, + PLATFORM_PROFILE_BALANCED_PERFORMANCE, + PLATFORM_PROFILE_PERFORMANCE, + PLATFORM_PROFILE_LAST, /*must always be last */ +}; + +struct platform_profile_handler { + unsigned long choices[BITS_TO_LONGS(PLATFORM_PROFILE_LAST)]; + int (*profile_get)(struct platform_profile_handler *pprof, + enum platform_profile_option *profile); + int (*profile_set)(struct platform_profile_handler *pprof, + enum platform_profile_option profile); +}; + +int platform_profile_register(struct platform_profile_handler *pprof); +int platform_profile_remove(void); +void platform_profile_notify(void); + +#endif /*_PLATFORM_PROFILE_H_*/ diff --git a/include/linux/pm.h b/include/linux/pm.h index 47aca6bac1d6..482313a8ccfc 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -537,6 +537,8 @@ struct pm_subsys_data { spinlock_t lock; unsigned int refcount; #ifdef CONFIG_PM_CLK + unsigned int clock_op_might_sleep; + struct mutex clock_mutex; struct list_head clock_list; #endif #ifdef CONFIG_PM_GENERIC_DOMAINS diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index 2ca919ae8d36..dfcfbcecc34b 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h @@ -9,6 +9,7 @@ #define _LINUX_PM_DOMAIN_H #include <linux/device.h> +#include <linux/ktime.h> #include <linux/mutex.h> #include <linux/pm.h> #include <linux/err.h> @@ -55,6 +56,10 @@ * * GENPD_FLAG_RPM_ALWAYS_ON: Instructs genpd to always keep the PM domain * powered on except for system suspend. + * + * GENPD_FLAG_MIN_RESIDENCY: Enable the genpd governor to consider its + * components' next wakeup when determining the + * optimal idle state. */ #define GENPD_FLAG_PM_CLK (1U << 0) #define GENPD_FLAG_IRQ_SAFE (1U << 1) @@ -62,6 +67,7 @@ #define GENPD_FLAG_ACTIVE_WAKEUP (1U << 3) #define GENPD_FLAG_CPU_DOMAIN (1U << 4) #define GENPD_FLAG_RPM_ALWAYS_ON (1U << 5) +#define GENPD_FLAG_MIN_RESIDENCY (1U << 6) enum gpd_status { GENPD_STATE_ON = 0, /* PM domain is on */ @@ -129,6 +135,7 @@ struct generic_pm_domain { unsigned int state); struct gpd_dev_ops dev_ops; s64 max_off_time_ns; /* Maximum allowed "suspended" time. */ + ktime_t next_wakeup; /* Maintained by the domain governor */ bool max_off_time_changed; bool cached_power_down_ok; bool cached_power_down_state_idx; @@ -191,6 +198,7 @@ struct generic_pm_domain_data { struct notifier_block *power_nb; int cpu; unsigned int performance_state; + ktime_t next_wakeup; void *data; }; @@ -217,6 +225,7 @@ int pm_genpd_remove(struct generic_pm_domain *genpd); int dev_pm_genpd_set_performance_state(struct device *dev, unsigned int state); int dev_pm_genpd_add_notifier(struct device *dev, struct notifier_block *nb); int dev_pm_genpd_remove_notifier(struct device *dev); +void dev_pm_genpd_set_next_wakeup(struct device *dev, ktime_t next); extern struct dev_power_governor simple_qos_governor; extern struct dev_power_governor pm_domain_always_on_gov; @@ -275,6 +284,9 @@ static inline int dev_pm_genpd_remove_notifier(struct device *dev) return -EOPNOTSUPP; } +static inline void dev_pm_genpd_set_next_wakeup(struct device *dev, ktime_t next) +{ } + #define simple_qos_governor (*(struct dev_power_governor *)(NULL)) #define pm_domain_always_on_gov (*(struct dev_power_governor *)(NULL)) #endif diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index 1435c054016a..c0371efa4a0f 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -98,6 +98,9 @@ unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp); unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp); +unsigned int dev_pm_opp_get_required_pstate(struct dev_pm_opp *opp, + unsigned int index); + bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp); int dev_pm_opp_get_opp_count(struct device *dev); @@ -111,6 +114,8 @@ struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, bool available); struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev, unsigned int level); +struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev, + unsigned int *level); struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev, unsigned long *freq); @@ -143,28 +148,32 @@ struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name) void dev_pm_opp_put_prop_name(struct opp_table *opp_table); struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count); void dev_pm_opp_put_regulators(struct opp_table *opp_table); -struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char * name); +struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char *name); void dev_pm_opp_put_clkname(struct opp_table *opp_table); struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data)); void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table); +struct opp_table *devm_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data)); struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs); void dev_pm_opp_detach_genpd(struct opp_table *opp_table); +struct opp_table *devm_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs); +struct dev_pm_opp *dev_pm_opp_xlate_required_opp(struct opp_table *src_table, struct opp_table *dst_table, struct dev_pm_opp *src_opp); int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate); int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq); -int dev_pm_opp_set_bw(struct device *dev, struct dev_pm_opp *opp); +int dev_pm_opp_set_opp(struct device *dev, struct dev_pm_opp *opp); int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask); int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask); void dev_pm_opp_remove_table(struct device *dev); void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask); +int dev_pm_opp_sync_regulators(struct device *dev); #else static inline struct opp_table *dev_pm_opp_get_opp_table(struct device *dev) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline struct opp_table *dev_pm_opp_get_opp_table_indexed(struct device *dev, int index) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline void dev_pm_opp_put_opp_table(struct opp_table *opp_table) {} @@ -184,6 +193,13 @@ static inline unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp) return 0; } +static inline +unsigned int dev_pm_opp_get_required_pstate(struct dev_pm_opp *opp, + unsigned int index) +{ + return 0; +} + static inline bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp) { return false; @@ -217,31 +233,37 @@ static inline unsigned long dev_pm_opp_get_suspend_opp_freq(struct device *dev) static inline struct dev_pm_opp *dev_pm_opp_find_freq_exact(struct device *dev, unsigned long freq, bool available) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline struct dev_pm_opp *dev_pm_opp_find_level_exact(struct device *dev, unsigned int level) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); +} + +static inline struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev, + unsigned int *level) +{ + return ERR_PTR(-EOPNOTSUPP); } static inline struct dev_pm_opp *dev_pm_opp_find_freq_floor(struct device *dev, unsigned long *freq) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline struct dev_pm_opp *dev_pm_opp_find_freq_ceil_by_volt(struct device *dev, unsigned long u_volt) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline struct dev_pm_opp *dev_pm_opp_find_freq_ceil(struct device *dev, unsigned long *freq) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline void dev_pm_opp_put(struct dev_pm_opp *opp) {} @@ -249,7 +271,7 @@ static inline void dev_pm_opp_put(struct dev_pm_opp *opp) {} static inline int dev_pm_opp_add(struct device *dev, unsigned long freq, unsigned long u_volt) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline void dev_pm_opp_remove(struct device *dev, unsigned long freq) @@ -280,19 +302,19 @@ static inline int dev_pm_opp_disable(struct device *dev, unsigned long freq) static inline int dev_pm_opp_register_notifier(struct device *dev, struct notifier_block *nb) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int dev_pm_opp_unregister_notifier(struct device *dev, struct notifier_block *nb) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline struct opp_table *dev_pm_opp_set_supported_hw(struct device *dev, const u32 *versions, unsigned int count) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline void dev_pm_opp_put_supported_hw(struct opp_table *opp_table) {} @@ -300,57 +322,76 @@ static inline void dev_pm_opp_put_supported_hw(struct opp_table *opp_table) {} static inline struct opp_table *dev_pm_opp_register_set_opp_helper(struct device *dev, int (*set_opp)(struct dev_pm_set_opp_data *data)) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table) {} +static inline struct opp_table * +devm_pm_opp_register_set_opp_helper(struct device *dev, + int (*set_opp)(struct dev_pm_set_opp_data *data)) +{ + return ERR_PTR(-EOPNOTSUPP); +} + static inline struct opp_table *dev_pm_opp_set_prop_name(struct device *dev, const char *name) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline void dev_pm_opp_put_prop_name(struct opp_table *opp_table) {} static inline struct opp_table *dev_pm_opp_set_regulators(struct device *dev, const char * const names[], unsigned int count) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline void dev_pm_opp_put_regulators(struct opp_table *opp_table) {} -static inline struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char * name) +static inline struct opp_table *dev_pm_opp_set_clkname(struct device *dev, const char *name) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline void dev_pm_opp_put_clkname(struct opp_table *opp_table) {} static inline struct opp_table *dev_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs) { - return ERR_PTR(-ENOTSUPP); + return ERR_PTR(-EOPNOTSUPP); } static inline void dev_pm_opp_detach_genpd(struct opp_table *opp_table) {} +static inline struct opp_table *devm_pm_opp_attach_genpd(struct device *dev, + const char **names, struct device ***virt_devs) +{ + return ERR_PTR(-EOPNOTSUPP); +} + +static inline struct dev_pm_opp *dev_pm_opp_xlate_required_opp(struct opp_table *src_table, + struct opp_table *dst_table, struct dev_pm_opp *src_opp) +{ + return ERR_PTR(-EOPNOTSUPP); +} + static inline int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq) { - return -ENOTSUPP; + return -EOPNOTSUPP; } -static inline int dev_pm_opp_set_bw(struct device *dev, struct dev_pm_opp *opp) +static inline int dev_pm_opp_set_opp(struct device *dev, struct dev_pm_opp *opp) { return -EOPNOTSUPP; } static inline int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask) @@ -366,11 +407,17 @@ static inline void dev_pm_opp_cpumask_remove_table(const struct cpumask *cpumask { } +static inline int dev_pm_opp_sync_regulators(struct device *dev) +{ + return -EOPNOTSUPP; +} + #endif /* CONFIG_PM_OPP */ #if defined(CONFIG_PM_OPP) && defined(CONFIG_OF) int dev_pm_opp_of_add_table(struct device *dev); int dev_pm_opp_of_add_table_indexed(struct device *dev, int index); +int dev_pm_opp_of_add_table_noclk(struct device *dev, int index); void dev_pm_opp_of_remove_table(struct device *dev); int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask); void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask); @@ -387,12 +434,17 @@ static inline void dev_pm_opp_of_unregister_em(struct device *dev) #else static inline int dev_pm_opp_of_add_table(struct device *dev) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int dev_pm_opp_of_add_table_indexed(struct device *dev, int index) { - return -ENOTSUPP; + return -EOPNOTSUPP; +} + +static inline int dev_pm_opp_of_add_table_noclk(struct device *dev, int index) +{ + return -EOPNOTSUPP; } static inline void dev_pm_opp_of_remove_table(struct device *dev) @@ -401,7 +453,7 @@ static inline void dev_pm_opp_of_remove_table(struct device *dev) static inline int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask) @@ -410,7 +462,7 @@ static inline void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpum static inline int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev) @@ -426,7 +478,7 @@ static inline struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp) static inline int dev_pm_opp_of_register_em(struct device *dev, struct cpumask *cpus) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline void dev_pm_opp_of_unregister_em(struct device *dev) @@ -435,12 +487,12 @@ static inline void dev_pm_opp_of_unregister_em(struct device *dev) static inline int of_get_required_opp_performance_state(struct device_node *np, int index) { - return -ENOTSUPP; + return -EOPNOTSUPP; } static inline int dev_pm_opp_of_find_icc_paths(struct device *dev, struct opp_table *opp_table) { - return -ENOTSUPP; + return -EOPNOTSUPP; } #endif diff --git a/include/linux/pmbus.h b/include/linux/pmbus.h index 1ea5bae708a1..12cbbf305969 100644 --- a/include/linux/pmbus.h +++ b/include/linux/pmbus.h @@ -34,6 +34,15 @@ */ #define PMBUS_WRITE_PROTECTED BIT(1) +/* + * PMBUS_NO_CAPABILITY + * + * Some PMBus chips don't respond with valid data when reading the CAPABILITY + * register. For such chips, this flag should be set so that the PMBus core + * driver doesn't use CAPABILITY to determine it's behavior. + */ +#define PMBUS_NO_CAPABILITY BIT(2) + struct pmbus_platform_data { u32 flags; /* Device specific flags */ diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h index 90797f1b421d..307094ebb88c 100644 --- a/include/linux/posix_acl.h +++ b/include/linux/posix_acl.h @@ -15,6 +15,8 @@ #include <linux/refcount.h> #include <uapi/linux/posix_acl.h> +struct user_namespace; + struct posix_acl_entry { short e_tag; unsigned short e_perm; @@ -61,23 +63,24 @@ posix_acl_release(struct posix_acl *acl) extern void posix_acl_init(struct posix_acl *, int); extern struct posix_acl *posix_acl_alloc(int, gfp_t); -extern int posix_acl_valid(struct user_namespace *, const struct posix_acl *); -extern int posix_acl_permission(struct inode *, const struct posix_acl *, int); extern struct posix_acl *posix_acl_from_mode(umode_t, gfp_t); extern int posix_acl_equiv_mode(const struct posix_acl *, umode_t *); extern int __posix_acl_create(struct posix_acl **, gfp_t, umode_t *); extern int __posix_acl_chmod(struct posix_acl **, gfp_t, umode_t); extern struct posix_acl *get_posix_acl(struct inode *, int); -extern int set_posix_acl(struct inode *, int, struct posix_acl *); +extern int set_posix_acl(struct user_namespace *, struct inode *, int, + struct posix_acl *); #ifdef CONFIG_FS_POSIX_ACL -extern int posix_acl_chmod(struct inode *, umode_t); +int posix_acl_chmod(struct user_namespace *, struct inode *, umode_t); extern int posix_acl_create(struct inode *, umode_t *, struct posix_acl **, struct posix_acl **); -extern int posix_acl_update_mode(struct inode *, umode_t *, struct posix_acl **); +int posix_acl_update_mode(struct user_namespace *, struct inode *, umode_t *, + struct posix_acl **); -extern int simple_set_acl(struct inode *, struct posix_acl *, int); +extern int simple_set_acl(struct user_namespace *, struct inode *, + struct posix_acl *, int); extern int simple_acl_create(struct inode *, struct inode *); struct posix_acl *get_cached_acl(struct inode *inode, int type); @@ -85,6 +88,9 @@ struct posix_acl *get_cached_acl_rcu(struct inode *inode, int type); void set_cached_acl(struct inode *inode, int type, struct posix_acl *acl); void forget_cached_acl(struct inode *inode, int type); void forget_all_cached_acls(struct inode *inode); +int posix_acl_valid(struct user_namespace *, const struct posix_acl *); +int posix_acl_permission(struct user_namespace *, struct inode *, + const struct posix_acl *, int); static inline void cache_no_acl(struct inode *inode) { @@ -92,7 +98,8 @@ static inline void cache_no_acl(struct inode *inode) inode->i_default_acl = NULL; } #else -static inline int posix_acl_chmod(struct inode *inode, umode_t mode) +static inline int posix_acl_chmod(struct user_namespace *mnt_userns, + struct inode *inode, umode_t mode) { return 0; } diff --git a/include/linux/posix_acl_xattr.h b/include/linux/posix_acl_xattr.h index 2387709991b5..060e8d203181 100644 --- a/include/linux/posix_acl_xattr.h +++ b/include/linux/posix_acl_xattr.h @@ -33,13 +33,17 @@ posix_acl_xattr_count(size_t size) } #ifdef CONFIG_FS_POSIX_ACL -void posix_acl_fix_xattr_from_user(void *value, size_t size); -void posix_acl_fix_xattr_to_user(void *value, size_t size); +void posix_acl_fix_xattr_from_user(struct user_namespace *mnt_userns, + void *value, size_t size); +void posix_acl_fix_xattr_to_user(struct user_namespace *mnt_userns, + void *value, size_t size); #else -static inline void posix_acl_fix_xattr_from_user(void *value, size_t size) +static inline void posix_acl_fix_xattr_from_user(struct user_namespace *mnt_userns, + void *value, size_t size) { } -static inline void posix_acl_fix_xattr_to_user(void *value, size_t size) +static inline void posix_acl_fix_xattr_to_user(struct user_namespace *mnt_userns, + void *value, size_t size) { } #endif diff --git a/include/linux/power/max8903_charger.h b/include/linux/power/max8903_charger.h deleted file mode 100644 index 02f94a1b323b..000000000000 --- a/include/linux/power/max8903_charger.h +++ /dev/null @@ -1,43 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * max8903_charger.h - Maxim 8903 USB/Adapter Charger Driver - * - * Copyright (C) 2011 Samsung Electronics - * MyungJoo Ham <myungjoo.ham@samsung.com> - */ - -#ifndef __MAX8903_CHARGER_H__ -#define __MAX8903_CHARGER_H__ - -struct max8903_pdata { - /* - * GPIOs - * cen, chg, flt, dcm and usus are optional. - * dok and uok are not optional depending on the status of - * dc_valid and usb_valid. - */ - int cen; /* Charger Enable input */ - int dok; /* DC(Adapter) Power OK output */ - int uok; /* USB Power OK output */ - int chg; /* Charger status output */ - int flt; /* Fault output */ - int dcm; /* Current-Limit Mode input (1: DC, 2: USB) */ - int usus; /* USB Suspend Input (1: suspended) */ - - /* - * DC(Adapter/TA) is wired - * When dc_valid is true, - * dok should be valid. - * - * At least one of dc_valid or usb_valid should be true. - */ - bool dc_valid; - /* - * USB is wired - * When usb_valid is true, - * uok should be valid. - */ - bool usb_valid; -}; - -#endif /* __MAX8903_CHARGER_H__ */ diff --git a/include/linux/property.h b/include/linux/property.h index 0a9001fe7aea..dd4687b56239 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -488,4 +488,11 @@ fwnode_create_software_node(const struct property_entry *properties, const struct fwnode_handle *parent); void fwnode_remove_software_node(struct fwnode_handle *fwnode); +int device_add_software_node(struct device *dev, const struct software_node *node); +void device_remove_software_node(struct device *dev); + +int device_create_managed_software_node(struct device *dev, + const struct property_entry *properties, + const struct software_node *parent); + #endif /* _LINUX_PROPERTY_H_ */ diff --git a/include/linux/psp-sev.h b/include/linux/psp-sev.h index 49d155cd2dfe..b801ead1e2bb 100644 --- a/include/linux/psp-sev.h +++ b/include/linux/psp-sev.h @@ -66,6 +66,7 @@ enum sev_cmd { SEV_CMD_LAUNCH_MEASURE = 0x033, SEV_CMD_LAUNCH_UPDATE_SECRET = 0x034, SEV_CMD_LAUNCH_FINISH = 0x035, + SEV_CMD_ATTESTATION_REPORT = 0x036, /* Guest migration commands (outgoing) */ SEV_CMD_SEND_START = 0x040, @@ -483,6 +484,22 @@ struct sev_data_dbg { u32 len; /* In */ } __packed; +/** + * struct sev_data_attestation_report - SEV_ATTESTATION_REPORT command parameters + * + * @handle: handle of the VM + * @mnonce: a random nonce that will be included in the report. + * @address: physical address where the report will be copied. + * @len: length of the physical buffer. + */ +struct sev_data_attestation_report { + u32 handle; /* In */ + u32 reserved; + u64 address; /* In */ + u8 mnonce[16]; /* In */ + u32 len; /* In/Out */ +} __packed; + #ifdef CONFIG_CRYPTO_DEV_SP_PSP /** diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 2a9df80ea887..b5ebf6c01292 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -171,7 +171,7 @@ static inline void ptrace_event(int event, unsigned long message) * * Check whether @event is enabled and, if so, report @event and @pid * to the ptrace parent. @pid is reported as the pid_t seen from the - * the ptrace parent's pid namespace. + * ptrace parent's pid namespace. * * Called without locks. */ diff --git a/include/linux/qed/qed_chain.h b/include/linux/qed/qed_chain.h index 4d58dc8943f0..e339b48de32d 100644 --- a/include/linux/qed/qed_chain.h +++ b/include/linux/qed/qed_chain.h @@ -470,7 +470,7 @@ static inline void *qed_chain_consume(struct qed_chain *p_chain) /** * @brief qed_chain_reset - Resets the chain to its start state * - * @param p_chain pointer to a previously allocted chain + * @param p_chain pointer to a previously allocated chain */ static inline void qed_chain_reset(struct qed_chain *p_chain) { diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h index d7db17996322..d31ecaf4fdd3 100644 --- a/include/linux/rbtree.h +++ b/include/linux/rbtree.h @@ -141,12 +141,18 @@ static inline void rb_insert_color_cached(struct rb_node *node, rb_insert_color(node, &root->rb_root); } -static inline void rb_erase_cached(struct rb_node *node, - struct rb_root_cached *root) + +static inline struct rb_node * +rb_erase_cached(struct rb_node *node, struct rb_root_cached *root) { + struct rb_node *leftmost = NULL; + if (root->rb_leftmost == node) - root->rb_leftmost = rb_next(node); + leftmost = root->rb_leftmost = rb_next(node); + rb_erase(node, &root->rb_root); + + return leftmost; } static inline void rb_replace_node_cached(struct rb_node *victim, @@ -158,4 +164,198 @@ static inline void rb_replace_node_cached(struct rb_node *victim, rb_replace_node(victim, new, &root->rb_root); } +/* + * The below helper functions use 2 operators with 3 different + * calling conventions. The operators are related like: + * + * comp(a->key,b) < 0 := less(a,b) + * comp(a->key,b) > 0 := less(b,a) + * comp(a->key,b) == 0 := !less(a,b) && !less(b,a) + * + * If these operators define a partial order on the elements we make no + * guarantee on which of the elements matching the key is found. See + * rb_find(). + * + * The reason for this is to allow the find() interface without requiring an + * on-stack dummy object, which might not be feasible due to object size. + */ + +/** + * rb_add_cached() - insert @node into the leftmost cached tree @tree + * @node: node to insert + * @tree: leftmost cached tree to insert @node into + * @less: operator defining the (partial) node order + * + * Returns @node when it is the new leftmost, or NULL. + */ +static __always_inline struct rb_node * +rb_add_cached(struct rb_node *node, struct rb_root_cached *tree, + bool (*less)(struct rb_node *, const struct rb_node *)) +{ + struct rb_node **link = &tree->rb_root.rb_node; + struct rb_node *parent = NULL; + bool leftmost = true; + + while (*link) { + parent = *link; + if (less(node, parent)) { + link = &parent->rb_left; + } else { + link = &parent->rb_right; + leftmost = false; + } + } + + rb_link_node(node, parent, link); + rb_insert_color_cached(node, tree, leftmost); + + return leftmost ? node : NULL; +} + +/** + * rb_add() - insert @node into @tree + * @node: node to insert + * @tree: tree to insert @node into + * @less: operator defining the (partial) node order + */ +static __always_inline void +rb_add(struct rb_node *node, struct rb_root *tree, + bool (*less)(struct rb_node *, const struct rb_node *)) +{ + struct rb_node **link = &tree->rb_node; + struct rb_node *parent = NULL; + + while (*link) { + parent = *link; + if (less(node, parent)) + link = &parent->rb_left; + else + link = &parent->rb_right; + } + + rb_link_node(node, parent, link); + rb_insert_color(node, tree); +} + +/** + * rb_find_add() - find equivalent @node in @tree, or add @node + * @node: node to look-for / insert + * @tree: tree to search / modify + * @cmp: operator defining the node order + * + * Returns the rb_node matching @node, or NULL when no match is found and @node + * is inserted. + */ +static __always_inline struct rb_node * +rb_find_add(struct rb_node *node, struct rb_root *tree, + int (*cmp)(struct rb_node *, const struct rb_node *)) +{ + struct rb_node **link = &tree->rb_node; + struct rb_node *parent = NULL; + int c; + + while (*link) { + parent = *link; + c = cmp(node, parent); + + if (c < 0) + link = &parent->rb_left; + else if (c > 0) + link = &parent->rb_right; + else + return parent; + } + + rb_link_node(node, parent, link); + rb_insert_color(node, tree); + return NULL; +} + +/** + * rb_find() - find @key in tree @tree + * @key: key to match + * @tree: tree to search + * @cmp: operator defining the node order + * + * Returns the rb_node matching @key or NULL. + */ +static __always_inline struct rb_node * +rb_find(const void *key, const struct rb_root *tree, + int (*cmp)(const void *key, const struct rb_node *)) +{ + struct rb_node *node = tree->rb_node; + + while (node) { + int c = cmp(key, node); + + if (c < 0) + node = node->rb_left; + else if (c > 0) + node = node->rb_right; + else + return node; + } + + return NULL; +} + +/** + * rb_find_first() - find the first @key in @tree + * @key: key to match + * @tree: tree to search + * @cmp: operator defining node order + * + * Returns the leftmost node matching @key, or NULL. + */ +static __always_inline struct rb_node * +rb_find_first(const void *key, const struct rb_root *tree, + int (*cmp)(const void *key, const struct rb_node *)) +{ + struct rb_node *node = tree->rb_node; + struct rb_node *match = NULL; + + while (node) { + int c = cmp(key, node); + + if (c <= 0) { + if (!c) + match = node; + node = node->rb_left; + } else if (c > 0) { + node = node->rb_right; + } + } + + return match; +} + +/** + * rb_next_match() - find the next @key in @tree + * @key: key to match + * @tree: tree to search + * @cmp: operator defining node order + * + * Returns the next node matching @key, or NULL. + */ +static __always_inline struct rb_node * +rb_next_match(const void *key, struct rb_node *node, + int (*cmp)(const void *key, const struct rb_node *)) +{ + node = rb_next(node); + if (node && cmp(key, node)) + node = NULL; + return node; +} + +/** + * rb_for_each() - iterates a subtree matching @key + * @node: iterator + * @key: key to match + * @tree: tree to search + * @cmp: operator defining node order + */ +#define rb_for_each(node, key, tree, cmp) \ + for ((node) = rb_find_first((key), (tree), (cmp)); \ + (node); (node) = rb_next_match((key), (node), (cmp))) + #endif /* _LINUX_RBTREE_H */ diff --git a/include/linux/rcu_segcblist.h b/include/linux/rcu_segcblist.h index b36afe7b22c9..8afe886e85f1 100644 --- a/include/linux/rcu_segcblist.h +++ b/include/linux/rcu_segcblist.h @@ -63,6 +63,122 @@ struct rcu_cblist { #define RCU_NEXT_TAIL 3 #define RCU_CBLIST_NSEGS 4 + +/* + * ==NOCB Offloading state machine== + * + * + * ---------------------------------------------------------------------------- + * | SEGCBLIST_SOFTIRQ_ONLY | + * | | + * | Callbacks processed by rcu_core() from softirqs or local | + * | rcuc kthread, without holding nocb_lock. | + * ---------------------------------------------------------------------------- + * | + * v + * ---------------------------------------------------------------------------- + * | SEGCBLIST_OFFLOADED | + * | | + * | Callbacks processed by rcu_core() from softirqs or local | + * | rcuc kthread, while holding nocb_lock. Waking up CB and GP kthreads, | + * | allowing nocb_timer to be armed. | + * ---------------------------------------------------------------------------- + * | + * v + * ----------------------------------- + * | | + * v v + * --------------------------------------- ----------------------------------| + * | SEGCBLIST_OFFLOADED | | | SEGCBLIST_OFFLOADED | | + * | SEGCBLIST_KTHREAD_CB | | SEGCBLIST_KTHREAD_GP | + * | | | | + * | | | | + * | CB kthread woke up and | | GP kthread woke up and | + * | acknowledged SEGCBLIST_OFFLOADED. | | acknowledged SEGCBLIST_OFFLOADED| + * | Processes callbacks concurrently | | | + * | with rcu_core(), holding | | | + * | nocb_lock. | | | + * --------------------------------------- ----------------------------------- + * | | + * ----------------------------------- + * | + * v + * |--------------------------------------------------------------------------| + * | SEGCBLIST_OFFLOADED | | + * | SEGCBLIST_KTHREAD_CB | | + * | SEGCBLIST_KTHREAD_GP | + * | | + * | Kthreads handle callbacks holding nocb_lock, local rcu_core() stops | + * | handling callbacks. | + * ---------------------------------------------------------------------------- + */ + + + +/* + * ==NOCB De-Offloading state machine== + * + * + * |--------------------------------------------------------------------------| + * | SEGCBLIST_OFFLOADED | | + * | SEGCBLIST_KTHREAD_CB | | + * | SEGCBLIST_KTHREAD_GP | + * | | + * | CB/GP kthreads handle callbacks holding nocb_lock, local rcu_core() | + * | ignores callbacks. | + * ---------------------------------------------------------------------------- + * | + * v + * |--------------------------------------------------------------------------| + * | SEGCBLIST_KTHREAD_CB | | + * | SEGCBLIST_KTHREAD_GP | + * | | + * | CB/GP kthreads and local rcu_core() handle callbacks concurrently | + * | holding nocb_lock. Wake up CB and GP kthreads if necessary. | + * ---------------------------------------------------------------------------- + * | + * v + * ----------------------------------- + * | | + * v v + * ---------------------------------------------------------------------------| + * | | + * | SEGCBLIST_KTHREAD_CB | SEGCBLIST_KTHREAD_GP | + * | | | + * | GP kthread woke up and | CB kthread woke up and | + * | acknowledged the fact that | acknowledged the fact that | + * | SEGCBLIST_OFFLOADED got cleared. | SEGCBLIST_OFFLOADED got cleared. | + * | | The CB kthread goes to sleep | + * | The callbacks from the target CPU | until it ever gets re-offloaded. | + * | will be ignored from the GP kthread | | + * | loop. | | + * ---------------------------------------------------------------------------- + * | | + * ----------------------------------- + * | + * v + * ---------------------------------------------------------------------------- + * | 0 | + * | | + * | Callbacks processed by rcu_core() from softirqs or local | + * | rcuc kthread, while holding nocb_lock. Forbid nocb_timer to be armed. | + * | Flush pending nocb_timer. Flush nocb bypass callbacks. | + * ---------------------------------------------------------------------------- + * | + * v + * ---------------------------------------------------------------------------- + * | SEGCBLIST_SOFTIRQ_ONLY | + * | | + * | Callbacks processed by rcu_core() from softirqs or local | + * | rcuc kthread, without holding nocb_lock. | + * ---------------------------------------------------------------------------- + */ +#define SEGCBLIST_ENABLED BIT(0) +#define SEGCBLIST_SOFTIRQ_ONLY BIT(1) +#define SEGCBLIST_KTHREAD_CB BIT(2) +#define SEGCBLIST_KTHREAD_GP BIT(3) +#define SEGCBLIST_OFFLOADED BIT(4) + struct rcu_segcblist { struct rcu_head *head; struct rcu_head **tails[RCU_CBLIST_NSEGS]; @@ -72,8 +188,8 @@ struct rcu_segcblist { #else long len; #endif - u8 enabled; - u8 offloaded; + long seglen[RCU_CBLIST_NSEGS]; + u8 flags; }; #define RCU_SEGCBLIST_INITIALIZER(n) \ diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index fd02c5fa60cb..bd04f722714f 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -33,6 +33,8 @@ #define ULONG_CMP_GE(a, b) (ULONG_MAX / 2 >= (a) - (b)) #define ULONG_CMP_LT(a, b) (ULONG_MAX / 2 < (a) - (b)) #define ulong2long(a) (*(long *)(&(a))) +#define USHORT_CMP_GE(a, b) (USHRT_MAX / 2 >= (unsigned short)((a) - (b))) +#define USHORT_CMP_LT(a, b) (USHRT_MAX / 2 < (unsigned short)((a) - (b))) /* Exported common interfaces */ void call_rcu(struct rcu_head *head, rcu_callback_t func); @@ -110,8 +112,14 @@ static inline void rcu_user_exit(void) { } #ifdef CONFIG_RCU_NOCB_CPU void rcu_init_nohz(void); +int rcu_nocb_cpu_offload(int cpu); +int rcu_nocb_cpu_deoffload(int cpu); +void rcu_nocb_flush_deferred_wakeup(void); #else /* #ifdef CONFIG_RCU_NOCB_CPU */ static inline void rcu_init_nohz(void) { } +static inline int rcu_nocb_cpu_offload(int cpu) { return -EINVAL; } +static inline int rcu_nocb_cpu_deoffload(int cpu) { return 0; } +static inline void rcu_nocb_flush_deferred_wakeup(void) { } #endif /* #else #ifdef CONFIG_RCU_NOCB_CPU */ /** @@ -846,19 +854,11 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) */ #define __is_kvfree_rcu_offset(offset) ((offset) < 4096) -/* - * Helper macro for kfree_rcu() to prevent argument-expansion eyestrain. - */ -#define __kvfree_rcu(head, offset) \ - do { \ - BUILD_BUG_ON(!__is_kvfree_rcu_offset(offset)); \ - kvfree_call_rcu(head, (rcu_callback_t)(unsigned long)(offset)); \ - } while (0) - /** * kfree_rcu() - kfree an object after a grace period. - * @ptr: pointer to kfree - * @rhf: the name of the struct rcu_head within the type of @ptr. + * @ptr: pointer to kfree for both single- and double-argument invocations. + * @rhf: the name of the struct rcu_head within the type of @ptr, + * but only for double-argument invocations. * * Many rcu callbacks functions just call kfree() on the base structure. * These functions are trivial, but their size adds up, and furthermore @@ -871,7 +871,7 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) * Because the functions are not allowed in the low-order 4096 bytes of * kernel virtual memory, offsets up to 4095 bytes can be accommodated. * If the offset is larger than 4095 bytes, a compile-time error will - * be generated in __kvfree_rcu(). If this error is triggered, you can + * be generated in kvfree_rcu_arg_2(). If this error is triggered, you can * either fall back to use of call_rcu() or rearrange the structure to * position the rcu_head structure into the first 4096 bytes. * @@ -881,13 +881,7 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) * The BUILD_BUG_ON check must not involve any function calls, hence the * checks are done in macros here. */ -#define kfree_rcu(ptr, rhf) \ -do { \ - typeof (ptr) ___p = (ptr); \ - \ - if (___p) \ - __kvfree_rcu(&((___p)->rhf), offsetof(typeof(*(ptr)), rhf)); \ -} while (0) +#define kfree_rcu kvfree_rcu /** * kvfree_rcu() - kvfree an object after a grace period. @@ -919,7 +913,17 @@ do { \ kvfree_rcu_arg_2, kvfree_rcu_arg_1)(__VA_ARGS__) #define KVFREE_GET_MACRO(_1, _2, NAME, ...) NAME -#define kvfree_rcu_arg_2(ptr, rhf) kfree_rcu(ptr, rhf) +#define kvfree_rcu_arg_2(ptr, rhf) \ +do { \ + typeof (ptr) ___p = (ptr); \ + \ + if (___p) { \ + BUILD_BUG_ON(!__is_kvfree_rcu_offset(offsetof(typeof(*(ptr)), rhf))); \ + kvfree_call_rcu(&((___p)->rhf), (rcu_callback_t)(unsigned long) \ + (offsetof(typeof(*(ptr)), rhf))); \ + } \ +} while (0) + #define kvfree_rcu_arg_1(ptr) \ do { \ typeof(ptr) ___p = (ptr); \ diff --git a/include/linux/regulator/ab8500.h b/include/linux/regulator/ab8500.h deleted file mode 100644 index 3ab1ddf151a2..000000000000 --- a/include/linux/regulator/ab8500.h +++ /dev/null @@ -1,166 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) ST-Ericsson SA 2010 - * - * Authors: Sundar Iyer <sundar.iyer@stericsson.com> for ST-Ericsson - * Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson - * Daniel Willerud <daniel.willerud@stericsson.com> for ST-Ericsson - */ - -#ifndef __LINUX_MFD_AB8500_REGULATOR_H -#define __LINUX_MFD_AB8500_REGULATOR_H - -#include <linux/platform_device.h> - -/* AB8500 regulators */ -enum ab8500_regulator_id { - AB8500_LDO_AUX1, - AB8500_LDO_AUX2, - AB8500_LDO_AUX3, - AB8500_LDO_INTCORE, - AB8500_LDO_TVOUT, - AB8500_LDO_AUDIO, - AB8500_LDO_ANAMIC1, - AB8500_LDO_ANAMIC2, - AB8500_LDO_DMIC, - AB8500_LDO_ANA, - AB8500_NUM_REGULATORS, -}; - -/* AB8505 regulators */ -enum ab8505_regulator_id { - AB8505_LDO_AUX1, - AB8505_LDO_AUX2, - AB8505_LDO_AUX3, - AB8505_LDO_AUX4, - AB8505_LDO_AUX5, - AB8505_LDO_AUX6, - AB8505_LDO_INTCORE, - AB8505_LDO_ADC, - AB8505_LDO_AUDIO, - AB8505_LDO_ANAMIC1, - AB8505_LDO_ANAMIC2, - AB8505_LDO_AUX8, - AB8505_LDO_ANA, - AB8505_NUM_REGULATORS, -}; - -/* AB8500 and AB8505 register initialization */ -struct ab8500_regulator_reg_init { - int id; - u8 mask; - u8 value; -}; - -#define INIT_REGULATOR_REGISTER(_id, _mask, _value) \ - { \ - .id = _id, \ - .mask = _mask, \ - .value = _value, \ - } - -/* AB8500 registers */ -enum ab8500_regulator_reg { - AB8500_REGUREQUESTCTRL2, - AB8500_REGUREQUESTCTRL3, - AB8500_REGUREQUESTCTRL4, - AB8500_REGUSYSCLKREQ1HPVALID1, - AB8500_REGUSYSCLKREQ1HPVALID2, - AB8500_REGUHWHPREQ1VALID1, - AB8500_REGUHWHPREQ1VALID2, - AB8500_REGUHWHPREQ2VALID1, - AB8500_REGUHWHPREQ2VALID2, - AB8500_REGUSWHPREQVALID1, - AB8500_REGUSWHPREQVALID2, - AB8500_REGUSYSCLKREQVALID1, - AB8500_REGUSYSCLKREQVALID2, - AB8500_REGUMISC1, - AB8500_VAUDIOSUPPLY, - AB8500_REGUCTRL1VAMIC, - AB8500_VPLLVANAREGU, - AB8500_VREFDDR, - AB8500_EXTSUPPLYREGU, - AB8500_VAUX12REGU, - AB8500_VRF1VAUX3REGU, - AB8500_VAUX1SEL, - AB8500_VAUX2SEL, - AB8500_VRF1VAUX3SEL, - AB8500_REGUCTRL2SPARE, - AB8500_REGUCTRLDISCH, - AB8500_REGUCTRLDISCH2, - AB8500_NUM_REGULATOR_REGISTERS, -}; - -/* AB8505 registers */ -enum ab8505_regulator_reg { - AB8505_REGUREQUESTCTRL1, - AB8505_REGUREQUESTCTRL2, - AB8505_REGUREQUESTCTRL3, - AB8505_REGUREQUESTCTRL4, - AB8505_REGUSYSCLKREQ1HPVALID1, - AB8505_REGUSYSCLKREQ1HPVALID2, - AB8505_REGUHWHPREQ1VALID1, - AB8505_REGUHWHPREQ1VALID2, - AB8505_REGUHWHPREQ2VALID1, - AB8505_REGUHWHPREQ2VALID2, - AB8505_REGUSWHPREQVALID1, - AB8505_REGUSWHPREQVALID2, - AB8505_REGUSYSCLKREQVALID1, - AB8505_REGUSYSCLKREQVALID2, - AB8505_REGUVAUX4REQVALID, - AB8505_REGUMISC1, - AB8505_VAUDIOSUPPLY, - AB8505_REGUCTRL1VAMIC, - AB8505_VSMPSAREGU, - AB8505_VSMPSBREGU, - AB8505_VSAFEREGU, /* NOTE! PRCMU register */ - AB8505_VPLLVANAREGU, - AB8505_EXTSUPPLYREGU, - AB8505_VAUX12REGU, - AB8505_VRF1VAUX3REGU, - AB8505_VSMPSASEL1, - AB8505_VSMPSASEL2, - AB8505_VSMPSASEL3, - AB8505_VSMPSBSEL1, - AB8505_VSMPSBSEL2, - AB8505_VSMPSBSEL3, - AB8505_VSAFESEL1, /* NOTE! PRCMU register */ - AB8505_VSAFESEL2, /* NOTE! PRCMU register */ - AB8505_VSAFESEL3, /* NOTE! PRCMU register */ - AB8505_VAUX1SEL, - AB8505_VAUX2SEL, - AB8505_VRF1VAUX3SEL, - AB8505_VAUX4REQCTRL, - AB8505_VAUX4REGU, - AB8505_VAUX4SEL, - AB8505_REGUCTRLDISCH, - AB8505_REGUCTRLDISCH2, - AB8505_REGUCTRLDISCH3, - AB8505_CTRLVAUX5, - AB8505_CTRLVAUX6, - AB8505_NUM_REGULATOR_REGISTERS, -}; - -/* AB8500 external regulators */ -struct ab8500_ext_regulator_cfg { - bool hwreq; /* requires hw mode or high power mode */ -}; - -enum ab8500_ext_regulator_id { - AB8500_EXT_SUPPLY1, - AB8500_EXT_SUPPLY2, - AB8500_EXT_SUPPLY3, - AB8500_NUM_EXT_REGULATORS, -}; - -/* AB8500 regulator platform data */ -struct ab8500_regulator_platform_data { - int num_reg_init; - struct ab8500_regulator_reg_init *reg_init; - int num_regulator; - struct regulator_init_data *regulator; - int num_ext_regulator; - struct regulator_init_data *ext_regulator; -}; - -#endif diff --git a/include/linux/regulator/mt6315-regulator.h b/include/linux/regulator/mt6315-regulator.h new file mode 100644 index 000000000000..3b80d3f3910c --- /dev/null +++ b/include/linux/regulator/mt6315-regulator.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2021 MediaTek Inc. + */ + +#ifndef __LINUX_REGULATOR_MT6315_H +#define __LINUX_REGULATOR_MT6315_H + +#define MT6315_RP 3 +#define MT6315_PP 6 +#define MT6315_SP 7 + +enum { + MT6315_VBUCK1 = 0, + MT6315_VBUCK2, + MT6315_VBUCK3, + MT6315_VBUCK4, + MT6315_VBUCK_MAX, +}; + +/* Register */ +#define MT6315_TOP2_ELR7 0x139 +#define MT6315_TOP_TMA_KEY 0x39F +#define MT6315_TOP_TMA_KEY_H 0x3A0 +#define MT6315_BUCK_TOP_CON0 0x1440 +#define MT6315_BUCK_TOP_CON1 0x1443 +#define MT6315_BUCK_TOP_ELR0 0x1449 +#define MT6315_BUCK_TOP_ELR2 0x144B +#define MT6315_BUCK_TOP_ELR4 0x144D +#define MT6315_BUCK_TOP_ELR6 0x144F +#define MT6315_VBUCK1_DBG0 0x1499 +#define MT6315_VBUCK1_DBG4 0x149D +#define MT6315_VBUCK2_DBG0 0x1519 +#define MT6315_VBUCK2_DBG4 0x151D +#define MT6315_VBUCK3_DBG0 0x1599 +#define MT6315_VBUCK3_DBG4 0x159D +#define MT6315_VBUCK4_DBG0 0x1619 +#define MT6315_VBUCK4_DBG4 0x161D +#define MT6315_BUCK_TOP_4PHASE_ANA_CON42 0x16B1 + +#define PROTECTION_KEY_H 0x9C +#define PROTECTION_KEY 0xEA + +#endif /* __LINUX_REGULATOR_MT6315_H */ diff --git a/include/linux/regulator/pca9450.h b/include/linux/regulator/pca9450.h index 1bbd3014f906..71902f41c919 100644 --- a/include/linux/regulator/pca9450.h +++ b/include/linux/regulator/pca9450.h @@ -147,6 +147,9 @@ enum { #define BUCK6_FPWM 0x04 #define BUCK6_ENMODE_MASK 0x03 +/* PCA9450_REG_BUCK123_PRESET_EN bit */ +#define BUCK123_PRESET_EN 0x80 + /* PCA9450_BUCK1OUT_DVS0 bits */ #define BUCK1OUT_DVS0_MASK 0x7F #define BUCK1OUT_DVS0_DEFAULT 0x14 @@ -216,4 +219,11 @@ enum { #define IRQ_THERM_105 0x02 #define IRQ_THERM_125 0x01 +/* PCA9450_REG_RESET_CTRL bits */ +#define WDOG_B_CFG_MASK 0xC0 +#define WDOG_B_CFG_NONE 0x00 +#define WDOG_B_CFG_WARM 0x40 +#define WDOG_B_CFG_COLD_LDO12 0x80 +#define WDOG_B_CFG_COLD 0xC0 + #endif /* __LINUX_REG_PCA9450_H__ */ diff --git a/include/linux/remoteproc/qcom_rproc.h b/include/linux/remoteproc/qcom_rproc.h index 647051662174..82b211518136 100644 --- a/include/linux/remoteproc/qcom_rproc.h +++ b/include/linux/remoteproc/qcom_rproc.h @@ -3,8 +3,6 @@ struct notifier_block; -#if IS_ENABLED(CONFIG_QCOM_RPROC_COMMON) - /** * enum qcom_ssr_notify_type - Startup/Shutdown events related to a remoteproc * processor. @@ -26,6 +24,8 @@ struct qcom_ssr_notify_data { bool crashed; }; +#if IS_ENABLED(CONFIG_QCOM_RPROC_COMMON) + void *qcom_register_ssr_notifier(const char *name, struct notifier_block *nb); int qcom_unregister_ssr_notifier(void *notify, struct notifier_block *nb); diff --git a/include/linux/reset.h b/include/linux/reset.h index 439fec7112a9..b9109efa2a5c 100644 --- a/include/linux/reset.h +++ b/include/linux/reset.h @@ -363,6 +363,25 @@ __must_check devm_reset_control_get_exclusive_released(struct device *dev, } /** + * devm_reset_control_get_optional_exclusive_released - resource managed + * reset_control_get_optional_exclusive_released() + * @dev: device to be reset by the controller + * @id: reset line name + * + * Managed-and-optional variant of reset_control_get_exclusive_released(). For + * reset controllers returned from this function, reset_control_put() is called + * automatically on driver detach. + * + * See reset_control_get_exclusive_released() for more information. + */ +static inline struct reset_control * +__must_check devm_reset_control_get_optional_exclusive_released(struct device *dev, + const char *id) +{ + return __devm_reset_control_get(dev, id, 0, false, true, false); +} + +/** * devm_reset_control_get_shared - resource managed reset_control_get_shared() * @dev: device to be reset by the controller * @id: reset line name diff --git a/include/linux/restart_block.h b/include/linux/restart_block.h index bba2920e9c05..980a65594412 100644 --- a/include/linux/restart_block.h +++ b/include/linux/restart_block.h @@ -23,6 +23,7 @@ enum timespec_type { * System call restart block. */ struct restart_block { + unsigned long arch_data; long (*fn)(struct restart_block *); union { /* For futex_wait and futex_wait_requeue_pi */ diff --git a/include/linux/rmap.h b/include/linux/rmap.h index 70085ca1a3fc..def5c62c93b3 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -213,7 +213,8 @@ struct page_vma_mapped_walk { static inline void page_vma_mapped_walk_done(struct page_vma_mapped_walk *pvmw) { - if (pvmw->pte) + /* HugeTLB pte is set to the relevant page table entry without pte_mapped. */ + if (pvmw->pte && !PageHuge(pvmw->page)) pte_unmap(pvmw->pte); if (pvmw->ptl) spin_unlock(pvmw->ptl); diff --git a/include/linux/rpmsg/qcom_glink.h b/include/linux/rpmsg/qcom_glink.h index daded9fddf36..22fc3a69b683 100644 --- a/include/linux/rpmsg/qcom_glink.h +++ b/include/linux/rpmsg/qcom_glink.h @@ -7,12 +7,17 @@ struct qcom_glink; +#if IS_ENABLED(CONFIG_RPMSG_QCOM_GLINK) +void qcom_glink_ssr_notify(const char *ssr_name); +#else +static inline void qcom_glink_ssr_notify(const char *ssr_name) {} +#endif + #if IS_ENABLED(CONFIG_RPMSG_QCOM_GLINK_SMEM) struct qcom_glink *qcom_glink_smem_register(struct device *parent, struct device_node *node); void qcom_glink_smem_unregister(struct qcom_glink *glink); -void qcom_glink_ssr_notify(const char *ssr_name); #else @@ -24,7 +29,6 @@ qcom_glink_smem_register(struct device *parent, } static inline void qcom_glink_smem_unregister(struct qcom_glink *glink) {} -static inline void qcom_glink_ssr_notify(const char *ssr_name) {} #endif #endif diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 568909449c13..bd611e26291d 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -141,6 +141,8 @@ struct rtc_device { */ unsigned long set_offset_nsec; + unsigned long features[BITS_TO_LONGS(RTC_FEATURE_CNT)]; + time64_t range_min; timeu64_t range_max; time64_t start_secs; diff --git a/include/linux/rtc/sirfsoc_rtciobrg.h b/include/linux/rtc/sirfsoc_rtciobrg.h deleted file mode 100644 index b31f2856733d..000000000000 --- a/include/linux/rtc/sirfsoc_rtciobrg.h +++ /dev/null @@ -1,21 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * RTC I/O Bridge interfaces for CSR SiRFprimaII - * ARM access the registers of SYSRTC, GPSRTC and PWRC through this module - * - * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. - */ -#ifndef _SIRFSOC_RTC_IOBRG_H_ -#define _SIRFSOC_RTC_IOBRG_H_ - -struct regmap_config; - -extern void sirfsoc_rtc_iobrg_besyncing(void); - -extern u32 sirfsoc_rtc_iobrg_readl(u32 addr); - -extern void sirfsoc_rtc_iobrg_writel(u32 val, u32 addr); -struct regmap *devm_regmap_init_iobg(struct device *dev, - const struct regmap_config *config); - -#endif diff --git a/include/linux/rwlock.h b/include/linux/rwlock.h index 3dcd617e65ae..7ce9a51ae5c0 100644 --- a/include/linux/rwlock.h +++ b/include/linux/rwlock.h @@ -128,4 +128,11 @@ do { \ 1 : ({ local_irq_restore(flags); 0; }); \ }) +#ifdef arch_rwlock_is_contended +#define rwlock_is_contended(lock) \ + arch_rwlock_is_contended(&(lock)->raw_lock) +#else +#define rwlock_is_contended(lock) ((void)(lock), 0) +#endif /* arch_rwlock_is_contended */ + #endif /* __LINUX_RWLOCK_H */ diff --git a/include/linux/sched.h b/include/linux/sched.h index 6e3a5eeec509..ef00bb22164c 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -47,6 +47,7 @@ struct cfs_rq; struct fs_struct; struct futex_pi_state; struct io_context; +struct io_uring_task; struct mempolicy; struct nameidata; struct nsproxy; @@ -65,7 +66,6 @@ struct sighand_struct; struct signal_struct; struct task_delay_info; struct task_group; -struct io_uring_task; /* * Task state bitmask. NOTE! These bits are also @@ -895,6 +895,9 @@ struct task_struct { /* CLONE_CHILD_CLEARTID: */ int __user *clear_child_tid; + /* PF_IO_WORKER */ + void *pf_io_worker; + u64 utime; u64 stime; #ifdef CONFIG_ARCH_HAS_SCALED_CPUTIME @@ -1871,11 +1874,32 @@ static inline int test_tsk_need_resched(struct task_struct *tsk) * value indicates whether a reschedule was done in fact. * cond_resched_lock() will drop the spinlock before scheduling, */ -#ifndef CONFIG_PREEMPTION -extern int _cond_resched(void); +#if !defined(CONFIG_PREEMPTION) || defined(CONFIG_PREEMPT_DYNAMIC) +extern int __cond_resched(void); + +#ifdef CONFIG_PREEMPT_DYNAMIC + +DECLARE_STATIC_CALL(cond_resched, __cond_resched); + +static __always_inline int _cond_resched(void) +{ + return static_call_mod(cond_resched)(); +} + #else + +static inline int _cond_resched(void) +{ + return __cond_resched(); +} + +#endif /* CONFIG_PREEMPT_DYNAMIC */ + +#else + static inline int _cond_resched(void) { return 0; } -#endif + +#endif /* !defined(CONFIG_PREEMPTION) || defined(CONFIG_PREEMPT_DYNAMIC) */ #define cond_resched() ({ \ ___might_sleep(__FILE__, __LINE__, 0); \ @@ -1883,12 +1907,24 @@ static inline int _cond_resched(void) { return 0; } }) extern int __cond_resched_lock(spinlock_t *lock); +extern int __cond_resched_rwlock_read(rwlock_t *lock); +extern int __cond_resched_rwlock_write(rwlock_t *lock); #define cond_resched_lock(lock) ({ \ ___might_sleep(__FILE__, __LINE__, PREEMPT_LOCK_OFFSET);\ __cond_resched_lock(lock); \ }) +#define cond_resched_rwlock_read(lock) ({ \ + __might_sleep(__FILE__, __LINE__, PREEMPT_LOCK_OFFSET); \ + __cond_resched_rwlock_read(lock); \ +}) + +#define cond_resched_rwlock_write(lock) ({ \ + __might_sleep(__FILE__, __LINE__, PREEMPT_LOCK_OFFSET); \ + __cond_resched_rwlock_write(lock); \ +}) + static inline void cond_resched_rcu(void) { #if defined(CONFIG_DEBUG_ATOMIC_SLEEP) || !defined(CONFIG_PREEMPT_RCU) @@ -1912,6 +1948,23 @@ static inline int spin_needbreak(spinlock_t *lock) #endif } +/* + * Check if a rwlock is contended. + * Returns non-zero if there is another task waiting on the rwlock. + * Returns zero if the lock is not contended or the system / underlying + * rwlock implementation does not support contention detection. + * Technically does not depend on CONFIG_PREEMPTION, but a general need + * for low latency. + */ +static inline int rwlock_needbreak(rwlock_t *lock) +{ +#ifdef CONFIG_PREEMPTION + return rwlock_is_contended(lock); +#else + return 0; +#endif +} + static __always_inline bool need_resched(void) { return unlikely(tif_need_resched()); @@ -1968,6 +2021,11 @@ extern long sched_getaffinity(pid_t pid, struct cpumask *mask); #define TASK_SIZE_OF(tsk) TASK_SIZE #endif +#ifdef CONFIG_SMP +/* Returns effective CPU energy utilization, as seen by the scheduler */ +unsigned long sched_cpu_util(int cpu, unsigned long max); +#endif /* CONFIG_SMP */ + #ifdef CONFIG_RSEQ /* diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h index 1ae08b8462a4..90b2a0bce11c 100644 --- a/include/linux/sched/mm.h +++ b/include/linux/sched/mm.h @@ -140,7 +140,8 @@ static inline bool in_vfork(struct task_struct *tsk) * another oom-unkillable task does this it should blame itself. */ rcu_read_lock(); - ret = tsk->vfork_done && tsk->real_parent->mm == tsk->mm; + ret = tsk->vfork_done && + rcu_dereference(tsk->real_parent)->mm == tsk->mm; rcu_read_unlock(); return ret; diff --git a/include/linux/sched/prio.h b/include/linux/sched/prio.h index 7d64feafc408..ab83d85e1183 100644 --- a/include/linux/sched/prio.h +++ b/include/linux/sched/prio.h @@ -11,16 +11,9 @@ * priority is 0..MAX_RT_PRIO-1, and SCHED_NORMAL/SCHED_BATCH * tasks are in the range MAX_RT_PRIO..MAX_PRIO-1. Priority * values are inverted: lower p->prio value means higher priority. - * - * The MAX_USER_RT_PRIO value allows the actual maximum - * RT priority to be separate from the value exported to - * user-space. This allows kernel threads to set their - * priority to a value higher than any user task. Note: - * MAX_RT_PRIO must not be smaller than MAX_USER_RT_PRIO. */ -#define MAX_USER_RT_PRIO 100 -#define MAX_RT_PRIO MAX_USER_RT_PRIO +#define MAX_RT_PRIO 100 #define MAX_PRIO (MAX_RT_PRIO + NICE_WIDTH) #define DEFAULT_PRIO (MAX_RT_PRIO + NICE_WIDTH / 2) @@ -34,15 +27,6 @@ #define PRIO_TO_NICE(prio) ((prio) - DEFAULT_PRIO) /* - * 'User priority' is the nice value converted to something we - * can work with better when scaling various scheduler parameters, - * it's a [ 0 ... 39 ] range. - */ -#define USER_PRIO(p) ((p)-MAX_RT_PRIO) -#define TASK_USER_PRIO(p) USER_PRIO((p)->static_prio) -#define MAX_USER_PRIO (USER_PRIO(MAX_PRIO)) - -/* * Convert nice value [19,-20] to rlimit style value [1,40]. */ static inline long nice_to_rlimit(long nice) diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h index c0f71f2e7160..ef02be869cf2 100644 --- a/include/linux/sched/task.h +++ b/include/linux/sched/task.h @@ -31,6 +31,7 @@ struct kernel_clone_args { /* Number of elements in *set_tid */ size_t set_tid_size; int cgroup; + int io_thread; struct cgroup *cgrp; struct css_set *cset; }; @@ -82,6 +83,7 @@ extern void exit_files(struct task_struct *); extern void exit_itimers(struct signal_struct *); extern pid_t kernel_clone(struct kernel_clone_args *kargs); +struct task_struct *create_io_thread(int (*fn)(void *), void *arg, int node); struct task_struct *fork_idle(int); struct mm_struct *copy_init_mm(void); extern pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); diff --git a/include/linux/security.h b/include/linux/security.h index c35ea0ffccd9..8aeebd6646dc 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -145,13 +145,16 @@ extern int cap_capset(struct cred *new, const struct cred *old, const kernel_cap_t *inheritable, const kernel_cap_t *permitted); extern int cap_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file); -extern int cap_inode_setxattr(struct dentry *dentry, const char *name, - const void *value, size_t size, int flags); -extern int cap_inode_removexattr(struct dentry *dentry, const char *name); -extern int cap_inode_need_killpriv(struct dentry *dentry); -extern int cap_inode_killpriv(struct dentry *dentry); -extern int cap_inode_getsecurity(struct inode *inode, const char *name, - void **buffer, bool alloc); +int cap_inode_setxattr(struct dentry *dentry, const char *name, + const void *value, size_t size, int flags); +int cap_inode_removexattr(struct user_namespace *mnt_userns, + struct dentry *dentry, const char *name); +int cap_inode_need_killpriv(struct dentry *dentry); +int cap_inode_killpriv(struct user_namespace *mnt_userns, + struct dentry *dentry); +int cap_inode_getsecurity(struct user_namespace *mnt_userns, + struct inode *inode, const char *name, void **buffer, + bool alloc); extern int cap_mmap_addr(unsigned long addr); extern int cap_mmap_file(struct file *file, unsigned long reqprot, unsigned long prot, unsigned long flags); @@ -324,6 +327,9 @@ void security_inode_free(struct inode *inode); int security_inode_init_security(struct inode *inode, struct inode *dir, const struct qstr *qstr, initxattrs initxattrs, void *fs_data); +int security_inode_init_security_anon(struct inode *inode, + const struct qstr *name, + const struct inode *context_inode); int security_old_inode_init_security(struct inode *inode, struct inode *dir, const struct qstr *qstr, const char **name, void **value, size_t *len); @@ -345,16 +351,21 @@ int security_inode_follow_link(struct dentry *dentry, struct inode *inode, int security_inode_permission(struct inode *inode, int mask); int security_inode_setattr(struct dentry *dentry, struct iattr *attr); int security_inode_getattr(const struct path *path); -int security_inode_setxattr(struct dentry *dentry, const char *name, +int security_inode_setxattr(struct user_namespace *mnt_userns, + struct dentry *dentry, const char *name, const void *value, size_t size, int flags); void security_inode_post_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags); int security_inode_getxattr(struct dentry *dentry, const char *name); int security_inode_listxattr(struct dentry *dentry); -int security_inode_removexattr(struct dentry *dentry, const char *name); +int security_inode_removexattr(struct user_namespace *mnt_userns, + struct dentry *dentry, const char *name); int security_inode_need_killpriv(struct dentry *dentry); -int security_inode_killpriv(struct dentry *dentry); -int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc); +int security_inode_killpriv(struct user_namespace *mnt_userns, + struct dentry *dentry); +int security_inode_getsecurity(struct user_namespace *mnt_userns, + struct inode *inode, const char *name, + void **buffer, bool alloc); int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags); int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size); void security_inode_getsecid(struct inode *inode, u32 *secid); @@ -738,6 +749,13 @@ static inline int security_inode_init_security(struct inode *inode, return 0; } +static inline int security_inode_init_security_anon(struct inode *inode, + const struct qstr *name, + const struct inode *context_inode) +{ + return 0; +} + static inline int security_old_inode_init_security(struct inode *inode, struct inode *dir, const struct qstr *qstr, @@ -831,8 +849,9 @@ static inline int security_inode_getattr(const struct path *path) return 0; } -static inline int security_inode_setxattr(struct dentry *dentry, - const char *name, const void *value, size_t size, int flags) +static inline int security_inode_setxattr(struct user_namespace *mnt_userns, + struct dentry *dentry, const char *name, const void *value, + size_t size, int flags) { return cap_inode_setxattr(dentry, name, value, size, flags); } @@ -852,10 +871,11 @@ static inline int security_inode_listxattr(struct dentry *dentry) return 0; } -static inline int security_inode_removexattr(struct dentry *dentry, - const char *name) +static inline int security_inode_removexattr(struct user_namespace *mnt_userns, + struct dentry *dentry, + const char *name) { - return cap_inode_removexattr(dentry, name); + return cap_inode_removexattr(mnt_userns, dentry, name); } static inline int security_inode_need_killpriv(struct dentry *dentry) @@ -863,14 +883,18 @@ static inline int security_inode_need_killpriv(struct dentry *dentry) return cap_inode_need_killpriv(dentry); } -static inline int security_inode_killpriv(struct dentry *dentry) +static inline int security_inode_killpriv(struct user_namespace *mnt_userns, + struct dentry *dentry) { - return cap_inode_killpriv(dentry); + return cap_inode_killpriv(mnt_userns, dentry); } -static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc) +static inline int security_inode_getsecurity(struct user_namespace *mnt_userns, + struct inode *inode, + const char *name, void **buffer, + bool alloc) { - return cap_inode_getsecurity(inode, name, buffer, alloc); + return cap_inode_getsecurity(mnt_userns, inode, name, buffer, alloc); } static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h index 2f7bb92b4c9e..f61e34fbaaea 100644 --- a/include/linux/seqlock.h +++ b/include/linux/seqlock.h @@ -664,10 +664,7 @@ typedef struct { * seqcount_latch_init() - runtime initializer for seqcount_latch_t * @s: Pointer to the seqcount_latch_t instance */ -static inline void seqcount_latch_init(seqcount_latch_t *s) -{ - seqcount_init(&s->seqcount); -} +#define seqcount_latch_init(s) seqcount_init(&(s)->seqcount) /** * raw_read_seqcount_latch() - pick even/odd latch data copy diff --git a/include/linux/sfi.h b/include/linux/sfi.h deleted file mode 100644 index e0e1597ef9e6..000000000000 --- a/include/linux/sfi.h +++ /dev/null @@ -1,210 +0,0 @@ -/* sfi.h Simple Firmware Interface */ - -/* - - This file is provided under a dual BSD/GPLv2 license. When using or - redistributing this file, you may do so under either license. - - GPL LICENSE SUMMARY - - Copyright(c) 2009 Intel Corporation. All rights reserved. - - This program is free software; you can redistribute it and/or modify - it under the terms of version 2 of the GNU General Public License as - published by the Free Software Foundation. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - The full GNU General Public License is included in this distribution - in the file called LICENSE.GPL. - - BSD LICENSE - - Copyright(c) 2009 Intel Corporation. All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in - the documentation and/or other materials provided with the - distribution. - * Neither the name of Intel Corporation nor the names of its - contributors may be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -*/ - -#ifndef _LINUX_SFI_H -#define _LINUX_SFI_H - -#include <linux/init.h> -#include <linux/types.h> - -/* Table signatures reserved by the SFI specification */ -#define SFI_SIG_SYST "SYST" -#define SFI_SIG_FREQ "FREQ" -#define SFI_SIG_IDLE "IDLE" -#define SFI_SIG_CPUS "CPUS" -#define SFI_SIG_MTMR "MTMR" -#define SFI_SIG_MRTC "MRTC" -#define SFI_SIG_MMAP "MMAP" -#define SFI_SIG_APIC "APIC" -#define SFI_SIG_XSDT "XSDT" -#define SFI_SIG_WAKE "WAKE" -#define SFI_SIG_DEVS "DEVS" -#define SFI_SIG_GPIO "GPIO" - -#define SFI_SIGNATURE_SIZE 4 -#define SFI_OEM_ID_SIZE 6 -#define SFI_OEM_TABLE_ID_SIZE 8 - -#define SFI_NAME_LEN 16 - -#define SFI_SYST_SEARCH_BEGIN 0x000E0000 -#define SFI_SYST_SEARCH_END 0x000FFFFF - -#define SFI_GET_NUM_ENTRIES(ptable, entry_type) \ - ((ptable->header.len - sizeof(struct sfi_table_header)) / \ - (sizeof(entry_type))) -/* - * Table structures must be byte-packed to match the SFI specification, - * as they are provided by the BIOS. - */ -struct sfi_table_header { - char sig[SFI_SIGNATURE_SIZE]; - u32 len; - u8 rev; - u8 csum; - char oem_id[SFI_OEM_ID_SIZE]; - char oem_table_id[SFI_OEM_TABLE_ID_SIZE]; -} __packed; - -struct sfi_table_simple { - struct sfi_table_header header; - u64 pentry[1]; -} __packed; - -/* Comply with UEFI spec 2.1 */ -struct sfi_mem_entry { - u32 type; - u64 phys_start; - u64 virt_start; - u64 pages; - u64 attrib; -} __packed; - -struct sfi_cpu_table_entry { - u32 apic_id; -} __packed; - -struct sfi_cstate_table_entry { - u32 hint; /* MWAIT hint */ - u32 latency; /* latency in ms */ -} __packed; - -struct sfi_apic_table_entry { - u64 phys_addr; /* phy base addr for APIC reg */ -} __packed; - -struct sfi_freq_table_entry { - u32 freq_mhz; /* in MHZ */ - u32 latency; /* transition latency in ms */ - u32 ctrl_val; /* value to write to PERF_CTL */ -} __packed; - -struct sfi_wake_table_entry { - u64 phys_addr; /* pointer to where the wake vector locates */ -} __packed; - -struct sfi_timer_table_entry { - u64 phys_addr; /* phy base addr for the timer */ - u32 freq_hz; /* in HZ */ - u32 irq; -} __packed; - -struct sfi_rtc_table_entry { - u64 phys_addr; /* phy base addr for the RTC */ - u32 irq; -} __packed; - -struct sfi_device_table_entry { - u8 type; /* bus type, I2C, SPI or ...*/ -#define SFI_DEV_TYPE_SPI 0 -#define SFI_DEV_TYPE_I2C 1 -#define SFI_DEV_TYPE_UART 2 -#define SFI_DEV_TYPE_HSI 3 -#define SFI_DEV_TYPE_IPC 4 -#define SFI_DEV_TYPE_SD 5 - - u8 host_num; /* attached to host 0, 1...*/ - u16 addr; - u8 irq; - u32 max_freq; - char name[SFI_NAME_LEN]; -} __packed; - -struct sfi_gpio_table_entry { - char controller_name[SFI_NAME_LEN]; - u16 pin_no; - char pin_name[SFI_NAME_LEN]; -} __packed; - -typedef int (*sfi_table_handler) (struct sfi_table_header *table); - -#ifdef CONFIG_SFI -extern void __init sfi_init(void); -extern int __init sfi_platform_init(void); -extern void __init sfi_init_late(void); -extern int sfi_table_parse(char *signature, char *oem_id, char *oem_table_id, - sfi_table_handler handler); - -extern int sfi_disabled; -static inline void disable_sfi(void) -{ - sfi_disabled = 1; -} - -#else /* !CONFIG_SFI */ - -static inline void sfi_init(void) -{ -} - -static inline void sfi_init_late(void) -{ -} - -#define sfi_disabled 0 - -static inline int sfi_table_parse(char *signature, char *oem_id, - char *oem_table_id, - sfi_table_handler handler) -{ - return -1; -} - -#endif /* !CONFIG_SFI */ - -#endif /*_LINUX_SFI_H*/ diff --git a/include/linux/sfi_acpi.h b/include/linux/sfi_acpi.h deleted file mode 100644 index a6e555cbe05c..000000000000 --- a/include/linux/sfi_acpi.h +++ /dev/null @@ -1,93 +0,0 @@ -/* sfi.h Simple Firmware Interface */ - -/* - - This file is provided under a dual BSD/GPLv2 license. When using or - redistributing this file, you may do so under either license. - - GPL LICENSE SUMMARY - - Copyright(c) 2009 Intel Corporation. All rights reserved. - - This program is free software; you can redistribute it and/or modify - it under the terms of version 2 of the GNU General Public License as - published by the Free Software Foundation. - - This program is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - The full GNU General Public License is included in this distribution - in the file called LICENSE.GPL. - - BSD LICENSE - - Copyright(c) 2009 Intel Corporation. All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in - the documentation and/or other materials provided with the - distribution. - * Neither the name of Intel Corporation nor the names of its - contributors may be used to endorse or promote products derived - from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -*/ - -#ifndef _LINUX_SFI_ACPI_H -#define _LINUX_SFI_ACPI_H - -#include <linux/acpi.h> -#include <linux/sfi.h> - -#ifdef CONFIG_SFI -extern int sfi_acpi_table_parse(char *signature, char *oem_id, - char *oem_table_id, - int (*handler)(struct acpi_table_header *)); - -static inline int __init acpi_sfi_table_parse(char *signature, - int (*handler)(struct acpi_table_header *)) -{ - if (!acpi_table_parse(signature, handler)) - return 0; - - return sfi_acpi_table_parse(signature, NULL, NULL, handler); -} -#else /* !CONFIG_SFI */ -static inline int sfi_acpi_table_parse(char *signature, char *oem_id, - char *oem_table_id, - int (*handler)(struct acpi_table_header *)) -{ - return -1; -} - -static inline int __init acpi_sfi_table_parse(char *signature, - int (*handler)(struct acpi_table_header *)) -{ - return acpi_table_parse(signature, handler); -} -#endif /* !CONFIG_SFI */ - -#endif /*_LINUX_SFI_ACPI_H*/ diff --git a/include/linux/sirfsoc_dma.h b/include/linux/sirfsoc_dma.h deleted file mode 100644 index 50161b6afb61..000000000000 --- a/include/linux/sirfsoc_dma.h +++ /dev/null @@ -1,7 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _SIRFSOC_DMA_H_ -#define _SIRFSOC_DMA_H_ - -bool sirfsoc_dma_filter_id(struct dma_chan *chan, void *chan_id); - -#endif diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 5f60c9e907c9..6d0a33d1c0db 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -430,28 +430,32 @@ enum { /* device driver is going to provide hardware time stamp */ SKBTX_IN_PROGRESS = 1 << 2, - /* device driver supports TX zero-copy buffers */ - SKBTX_DEV_ZEROCOPY = 1 << 3, - /* generate wifi status information (where possible) */ SKBTX_WIFI_STATUS = 1 << 4, - /* This indicates at least one fragment might be overwritten - * (as in vmsplice(), sendfile() ...) - * If we need to compute a TX checksum, we'll need to copy - * all frags to avoid possible bad checksum - */ - SKBTX_SHARED_FRAG = 1 << 5, - /* generate software time stamp when entering packet scheduling */ SKBTX_SCHED_TSTAMP = 1 << 6, }; -#define SKBTX_ZEROCOPY_FRAG (SKBTX_DEV_ZEROCOPY | SKBTX_SHARED_FRAG) #define SKBTX_ANY_SW_TSTAMP (SKBTX_SW_TSTAMP | \ SKBTX_SCHED_TSTAMP) #define SKBTX_ANY_TSTAMP (SKBTX_HW_TSTAMP | SKBTX_ANY_SW_TSTAMP) +/* Definitions for flags in struct skb_shared_info */ +enum { + /* use zcopy routines */ + SKBFL_ZEROCOPY_ENABLE = BIT(0), + + /* This indicates at least one fragment might be overwritten + * (as in vmsplice(), sendfile() ...) + * If we need to compute a TX checksum, we'll need to copy + * all frags to avoid possible bad checksum + */ + SKBFL_SHARED_FRAG = BIT(1), +}; + +#define SKBFL_ZEROCOPY_FRAG (SKBFL_ZEROCOPY_ENABLE | SKBFL_SHARED_FRAG) + /* * The callback notifies userspace to release buffers when skb DMA is done in * lower device, the skb last reference should be 0 when calling this. @@ -461,7 +465,8 @@ enum { * The desc field is used to track userspace buffer index. */ struct ubuf_info { - void (*callback)(struct ubuf_info *, bool zerocopy_success); + void (*callback)(struct sk_buff *, struct ubuf_info *, + bool zerocopy_success); union { struct { unsigned long desc; @@ -475,6 +480,7 @@ struct ubuf_info { }; }; refcount_t refcnt; + u8 flags; struct mmpin { struct user_struct *user; @@ -487,19 +493,14 @@ struct ubuf_info { int mm_account_pinned_pages(struct mmpin *mmp, size_t size); void mm_unaccount_pinned_pages(struct mmpin *mmp); -struct ubuf_info *sock_zerocopy_alloc(struct sock *sk, size_t size); -struct ubuf_info *sock_zerocopy_realloc(struct sock *sk, size_t size, - struct ubuf_info *uarg); - -static inline void sock_zerocopy_get(struct ubuf_info *uarg) -{ - refcount_inc(&uarg->refcnt); -} +struct ubuf_info *msg_zerocopy_alloc(struct sock *sk, size_t size); +struct ubuf_info *msg_zerocopy_realloc(struct sock *sk, size_t size, + struct ubuf_info *uarg); -void sock_zerocopy_put(struct ubuf_info *uarg); -void sock_zerocopy_put_abort(struct ubuf_info *uarg, bool have_uref); +void msg_zerocopy_put_abort(struct ubuf_info *uarg, bool have_uref); -void sock_zerocopy_callback(struct ubuf_info *uarg, bool success); +void msg_zerocopy_callback(struct sk_buff *skb, struct ubuf_info *uarg, + bool success); int skb_zerocopy_iter_dgram(struct sk_buff *skb, struct msghdr *msg, int len); int skb_zerocopy_iter_stream(struct sock *sk, struct sk_buff *skb, @@ -510,7 +511,7 @@ int skb_zerocopy_iter_stream(struct sock *sk, struct sk_buff *skb, * the end of the header data, ie. at skb->end. */ struct skb_shared_info { - __u8 __unused; + __u8 flags; __u8 meta_len; __u8 nr_frags; __u8 tx_flags; @@ -1086,6 +1087,8 @@ struct sk_buff *build_skb(void *data, unsigned int frag_size); struct sk_buff *build_skb_around(struct sk_buff *skb, void *data, unsigned int frag_size); +struct sk_buff *napi_build_skb(void *data, unsigned int frag_size); + /** * alloc_skb - allocate a network buffer * @size: size to allocate @@ -1352,8 +1355,8 @@ void skb_flow_dissect_ct(const struct sk_buff *skb, struct flow_dissector *flow_dissector, void *target_container, - u16 *ctinfo_map, - size_t mapsize); + u16 *ctinfo_map, size_t mapsize, + bool post_ct); void skb_flow_dissect_tunnel_info(const struct sk_buff *skb, struct flow_dissector *flow_dissector, @@ -1438,11 +1441,22 @@ static inline struct skb_shared_hwtstamps *skb_hwtstamps(struct sk_buff *skb) static inline struct ubuf_info *skb_zcopy(struct sk_buff *skb) { - bool is_zcopy = skb && skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY; + bool is_zcopy = skb && skb_shinfo(skb)->flags & SKBFL_ZEROCOPY_ENABLE; return is_zcopy ? skb_uarg(skb) : NULL; } +static inline void net_zcopy_get(struct ubuf_info *uarg) +{ + refcount_inc(&uarg->refcnt); +} + +static inline void skb_zcopy_init(struct sk_buff *skb, struct ubuf_info *uarg) +{ + skb_shinfo(skb)->destructor_arg = uarg; + skb_shinfo(skb)->flags |= uarg->flags; +} + static inline void skb_zcopy_set(struct sk_buff *skb, struct ubuf_info *uarg, bool *have_ref) { @@ -1450,16 +1464,15 @@ static inline void skb_zcopy_set(struct sk_buff *skb, struct ubuf_info *uarg, if (unlikely(have_ref && *have_ref)) *have_ref = false; else - sock_zerocopy_get(uarg); - skb_shinfo(skb)->destructor_arg = uarg; - skb_shinfo(skb)->tx_flags |= SKBTX_ZEROCOPY_FRAG; + net_zcopy_get(uarg); + skb_zcopy_init(skb, uarg); } } static inline void skb_zcopy_set_nouarg(struct sk_buff *skb, void *val) { skb_shinfo(skb)->destructor_arg = (void *)((uintptr_t) val | 0x1UL); - skb_shinfo(skb)->tx_flags |= SKBTX_ZEROCOPY_FRAG; + skb_shinfo(skb)->flags |= SKBFL_ZEROCOPY_FRAG; } static inline bool skb_zcopy_is_nouarg(struct sk_buff *skb) @@ -1472,33 +1485,32 @@ static inline void *skb_zcopy_get_nouarg(struct sk_buff *skb) return (void *)((uintptr_t) skb_shinfo(skb)->destructor_arg & ~0x1UL); } -/* Release a reference on a zerocopy structure */ -static inline void skb_zcopy_clear(struct sk_buff *skb, bool zerocopy) +static inline void net_zcopy_put(struct ubuf_info *uarg) { - struct ubuf_info *uarg = skb_zcopy(skb); + if (uarg) + uarg->callback(NULL, uarg, true); +} +static inline void net_zcopy_put_abort(struct ubuf_info *uarg, bool have_uref) +{ if (uarg) { - if (skb_zcopy_is_nouarg(skb)) { - /* no notification callback */ - } else if (uarg->callback == sock_zerocopy_callback) { - uarg->zerocopy = uarg->zerocopy && zerocopy; - sock_zerocopy_put(uarg); - } else { - uarg->callback(uarg, zerocopy); - } - - skb_shinfo(skb)->tx_flags &= ~SKBTX_ZEROCOPY_FRAG; + if (uarg->callback == msg_zerocopy_callback) + msg_zerocopy_put_abort(uarg, have_uref); + else if (have_uref) + net_zcopy_put(uarg); } } -/* Abort a zerocopy operation and revert zckey on error in send syscall */ -static inline void skb_zcopy_abort(struct sk_buff *skb) +/* Release a reference on a zerocopy structure */ +static inline void skb_zcopy_clear(struct sk_buff *skb, bool zerocopy_success) { struct ubuf_info *uarg = skb_zcopy(skb); if (uarg) { - sock_zerocopy_put_abort(uarg, false); - skb_shinfo(skb)->tx_flags &= ~SKBTX_ZEROCOPY_FRAG; + if (!skb_zcopy_is_nouarg(skb)) + uarg->callback(skb, uarg, zerocopy_success); + + skb_shinfo(skb)->flags &= ~SKBFL_ZEROCOPY_FRAG; } } @@ -2777,7 +2789,7 @@ static inline int skb_orphan_frags(struct sk_buff *skb, gfp_t gfp_mask) if (likely(!skb_zcopy(skb))) return 0; if (!skb_zcopy_is_nouarg(skb) && - skb_uarg(skb)->callback == sock_zerocopy_callback) + skb_uarg(skb)->callback == msg_zerocopy_callback) return 0; return skb_copy_ubufs(skb, gfp_mask); } @@ -2808,7 +2820,26 @@ void skb_queue_purge(struct sk_buff_head *list); unsigned int skb_rbtree_purge(struct rb_root *root); -void *netdev_alloc_frag(unsigned int fragsz); +void *__netdev_alloc_frag_align(unsigned int fragsz, unsigned int align_mask); + +/** + * netdev_alloc_frag - allocate a page fragment + * @fragsz: fragment size + * + * Allocates a frag from a page for receive buffer. + * Uses GFP_ATOMIC allocations. + */ +static inline void *netdev_alloc_frag(unsigned int fragsz) +{ + return __netdev_alloc_frag_align(fragsz, ~0u); +} + +static inline void *netdev_alloc_frag_align(unsigned int fragsz, + unsigned int align) +{ + WARN_ON_ONCE(!is_power_of_2(align)); + return __netdev_alloc_frag_align(fragsz, -align); +} struct sk_buff *__netdev_alloc_skb(struct net_device *dev, unsigned int length, gfp_t gfp_mask); @@ -2867,7 +2898,20 @@ static inline void skb_free_frag(void *addr) page_frag_free(addr); } -void *napi_alloc_frag(unsigned int fragsz); +void *__napi_alloc_frag_align(unsigned int fragsz, unsigned int align_mask); + +static inline void *napi_alloc_frag(unsigned int fragsz) +{ + return __napi_alloc_frag_align(fragsz, ~0u); +} + +static inline void *napi_alloc_frag_align(unsigned int fragsz, + unsigned int align) +{ + WARN_ON_ONCE(!is_power_of_2(align)); + return __napi_alloc_frag_align(fragsz, -align); +} + struct sk_buff *__napi_alloc_skb(struct napi_struct *napi, unsigned int length, gfp_t gfp_mask); static inline struct sk_buff *napi_alloc_skb(struct napi_struct *napi, @@ -2877,7 +2921,7 @@ static inline struct sk_buff *napi_alloc_skb(struct napi_struct *napi, } void napi_consume_skb(struct sk_buff *skb, int budget); -void __kfree_skb_flush(void); +void napi_skb_free_stolen_head(struct sk_buff *skb); void __kfree_skb_defer(struct sk_buff *skb); /** @@ -2929,12 +2973,28 @@ static inline struct page *dev_alloc_page(void) } /** + * dev_page_is_reusable - check whether a page can be reused for network Rx + * @page: the page to test + * + * A page shouldn't be considered for reusing/recycling if it was allocated + * under memory pressure or at a distant memory node. + * + * Returns false if this page should be returned to page allocator, true + * otherwise. + */ +static inline bool dev_page_is_reusable(const struct page *page) +{ + return likely(page_to_nid(page) == numa_mem_id() && + !page_is_pfmemalloc(page)); +} + +/** * skb_propagate_pfmemalloc - Propagate pfmemalloc if skb is allocated after RX page * @page: The page that was allocated from skb_alloc_page * @skb: The skb that may need pfmemalloc set */ -static inline void skb_propagate_pfmemalloc(struct page *page, - struct sk_buff *skb) +static inline void skb_propagate_pfmemalloc(const struct page *page, + struct sk_buff *skb) { if (page_is_pfmemalloc(page)) skb->pfmemalloc = true; @@ -3324,7 +3384,7 @@ static inline int skb_linearize(struct sk_buff *skb) static inline bool skb_has_shared_frag(const struct sk_buff *skb) { return skb_is_nonlinear(skb) && - skb_shinfo(skb)->tx_flags & SKBTX_SHARED_FRAG; + skb_shinfo(skb)->flags & SKBFL_SHARED_FRAG; } /** @@ -3849,7 +3909,7 @@ static inline bool skb_defer_rx_timestamp(struct sk_buff *skb) void skb_complete_tx_timestamp(struct sk_buff *skb, struct skb_shared_hwtstamps *hwtstamps); -void __skb_tstamp_tx(struct sk_buff *orig_skb, +void __skb_tstamp_tx(struct sk_buff *orig_skb, const struct sk_buff *ack_skb, struct skb_shared_hwtstamps *hwtstamps, struct sock *sk, int tstype); @@ -4611,6 +4671,11 @@ static inline void skb_reset_redirect(struct sk_buff *skb) #endif } +static inline bool skb_csum_is_sctp(struct sk_buff *skb) +{ + return skb->csum_not_inet; +} + static inline void skb_set_kcov_handle(struct sk_buff *skb, const u64 kcov_handle) { diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h index fec0c5ac1c4f..8edbbf5f2f93 100644 --- a/include/linux/skmsg.h +++ b/include/linux/skmsg.h @@ -390,7 +390,6 @@ static inline struct sk_psock *sk_psock_get(struct sock *sk) } void sk_psock_stop(struct sock *sk, struct sk_psock *psock); -void sk_psock_destroy(struct rcu_head *rcu); void sk_psock_drop(struct sock *sk, struct sk_psock *psock); static inline void sk_psock_put(struct sock *sk, struct sk_psock *psock) diff --git a/include/linux/slab.h b/include/linux/slab.h index be4ba5867ac5..7ae604076767 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -186,6 +186,8 @@ void kfree(const void *); void kfree_sensitive(const void *); size_t __ksize(const void *); size_t ksize(const void *); +bool kmem_valid_obj(void *object); +void kmem_dump_obj(void *object); #ifdef CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR void __check_heap_object(const void *ptr, unsigned long n, struct page *page, diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h index 9eb430c163c2..3aa5e1e73ab6 100644 --- a/include/linux/slab_def.h +++ b/include/linux/slab_def.h @@ -2,6 +2,7 @@ #ifndef _LINUX_SLAB_DEF_H #define _LINUX_SLAB_DEF_H +#include <linux/kfence.h> #include <linux/reciprocal_div.h> /* @@ -114,6 +115,8 @@ static inline unsigned int obj_to_index(const struct kmem_cache *cache, static inline int objs_per_slab_page(const struct kmem_cache *cache, const struct page *page) { + if (is_kfence_address(page_address(page))) + return 1; return cache->num; } diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index 1be0ed5befa1..dcde82a4434c 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -7,6 +7,7 @@ * * (C) 2007 SGI, Christoph Lameter */ +#include <linux/kfence.h> #include <linux/kobject.h> #include <linux/reciprocal_div.h> @@ -185,6 +186,8 @@ static inline unsigned int __obj_to_index(const struct kmem_cache *cache, static inline unsigned int obj_to_index(const struct kmem_cache *cache, const struct page *page, void *obj) { + if (is_kfence_address(obj)) + return 0; return __obj_to_index(cache, page_address(page), obj); } diff --git a/include/linux/soc/brcmstb/brcmstb.h b/include/linux/soc/brcmstb/brcmstb.h index 8e884e0dda0a..f2b768852777 100644 --- a/include/linux/soc/brcmstb/brcmstb.h +++ b/include/linux/soc/brcmstb/brcmstb.h @@ -2,6 +2,8 @@ #ifndef __BRCMSTB_SOC_H #define __BRCMSTB_SOC_H +#include <linux/kconfig.h> + static inline u32 BRCM_ID(u32 reg) { return reg >> 28 ? reg >> 16 : reg >> 8; @@ -12,6 +14,8 @@ static inline u32 BRCM_REV(u32 reg) return reg & 0xff; } +#if IS_ENABLED(CONFIG_SOC_BRCMSTB) + /* * Helper functions for getting family or product id from the * SoC driver. @@ -19,4 +23,16 @@ static inline u32 BRCM_REV(u32 reg) u32 brcmstb_get_family_id(void); u32 brcmstb_get_product_id(void); +#else +static inline u32 brcmstb_get_family_id(void) +{ + return 0; +} + +static inline u32 brcmstb_get_product_id(void) +{ + return 0; +} +#endif + #endif /* __BRCMSTB_SOC_H */ diff --git a/include/linux/soc/marvell/octeontx2/asm.h b/include/linux/soc/marvell/octeontx2/asm.h index ae2279fe830a..28c04d918f0f 100644 --- a/include/linux/soc/marvell/octeontx2/asm.h +++ b/include/linux/soc/marvell/octeontx2/asm.h @@ -22,8 +22,16 @@ : [rs]"r" (ioaddr)); \ (result); \ }) +#define cn10k_lmt_flush(val, addr) \ +({ \ + __asm__ volatile(".cpu generic+lse\n" \ + "steor %x[rf],[%[rs]]" \ + : [rf]"+r"(val) \ + : [rs]"r"(addr)); \ +}) #else #define otx2_lmt_flush(ioaddr) ({ 0; }) +#define cn10k_lmt_flush(val, addr) ({ addr = val; }) #endif #endif /* __SOC_OTX2_ASM_H */ diff --git a/include/linux/soc/mediatek/infracfg.h b/include/linux/soc/mediatek/infracfg.h index e7842debc05d..4615a228da51 100644 --- a/include/linux/soc/mediatek/infracfg.h +++ b/include/linux/soc/mediatek/infracfg.h @@ -123,6 +123,14 @@ #define MT8173_TOP_AXI_PROT_EN_MFG_M1 BIT(22) #define MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT BIT(23) +#define MT8167_TOP_AXI_PROT_EN_MM_EMI BIT(1) +#define MT8167_TOP_AXI_PROT_EN_MCU_MFG BIT(2) +#define MT8167_TOP_AXI_PROT_EN_CONN_EMI BIT(4) +#define MT8167_TOP_AXI_PROT_EN_MFG_EMI BIT(5) +#define MT8167_TOP_AXI_PROT_EN_CONN_MCU BIT(8) +#define MT8167_TOP_AXI_PROT_EN_MCU_CONN BIT(9) +#define MT8167_TOP_AXI_PROT_EN_MCU_MM BIT(11) + #define MT2701_TOP_AXI_PROT_EN_MM_M0 BIT(1) #define MT2701_TOP_AXI_PROT_EN_CONN_M BIT(2) #define MT2701_TOP_AXI_PROT_EN_CONN_S BIT(8) diff --git a/include/linux/soc/mediatek/mtk-cmdq.h b/include/linux/soc/mediatek/mtk-cmdq.h index 8e9996610978..ac6b5f3cba95 100644 --- a/include/linux/soc/mediatek/mtk-cmdq.h +++ b/include/linux/soc/mediatek/mtk-cmdq.h @@ -280,16 +280,4 @@ int cmdq_pkt_finalize(struct cmdq_pkt *pkt); int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb, void *data); -/** - * cmdq_pkt_flush() - trigger CMDQ to execute the CMDQ packet - * @pkt: the CMDQ packet - * - * Return: 0 for success; else the error code is returned - * - * Trigger CMDQ to execute the CMDQ packet. Note that this is a - * synchronous flush function. When the function returned, the recorded - * commands have been done. - */ -int cmdq_pkt_flush(struct cmdq_pkt *pkt); - #endif /* __MTK_CMDQ_H__ */ diff --git a/include/linux/soc/mediatek/mtk-mutex.h b/include/linux/soc/mediatek/mtk-mutex.h new file mode 100644 index 000000000000..6fe4ffbde290 --- /dev/null +++ b/include/linux/soc/mediatek/mtk-mutex.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2015 MediaTek Inc. + */ + +#ifndef MTK_MUTEX_H +#define MTK_MUTEX_H + +struct regmap; +struct device; +struct mtk_mutex; + +struct mtk_mutex *mtk_mutex_get(struct device *dev); +int mtk_mutex_prepare(struct mtk_mutex *mutex); +void mtk_mutex_add_comp(struct mtk_mutex *mutex, + enum mtk_ddp_comp_id id); +void mtk_mutex_enable(struct mtk_mutex *mutex); +void mtk_mutex_disable(struct mtk_mutex *mutex); +void mtk_mutex_remove_comp(struct mtk_mutex *mutex, + enum mtk_ddp_comp_id id); +void mtk_mutex_unprepare(struct mtk_mutex *mutex); +void mtk_mutex_put(struct mtk_mutex *mutex); +void mtk_mutex_acquire(struct mtk_mutex *mutex); +void mtk_mutex_release(struct mtk_mutex *mutex); + +#endif /* MTK_MUTEX_H */ diff --git a/include/linux/soc/qcom/llcc-qcom.h b/include/linux/soc/qcom/llcc-qcom.h index 3db6797ba6ff..64fc582ae415 100644 --- a/include/linux/soc/qcom/llcc-qcom.h +++ b/include/linux/soc/qcom/llcc-qcom.h @@ -29,6 +29,7 @@ #define LLCC_AUDHW 22 #define LLCC_NPU 23 #define LLCC_WLHW 24 +#define LLCC_CVP 28 #define LLCC_MODPE 29 #define LLCC_APTCM 30 #define LLCC_WRCACHE 31 @@ -79,6 +80,7 @@ struct llcc_edac_reg_data { * @bitmap: Bit map to track the active slice ids * @offsets: Pointer to the bank offsets array * @ecc_irq: interrupt for llcc cache error detection and reporting + * @major_version: Indicates the LLCC major version */ struct llcc_drv_data { struct regmap *regmap; @@ -91,6 +93,7 @@ struct llcc_drv_data { unsigned long *bitmap; u32 *offsets; int ecc_irq; + u32 major_version; }; #if IS_ENABLED(CONFIG_QCOM_LLCC) diff --git a/include/linux/soc/qcom/mdt_loader.h b/include/linux/soc/qcom/mdt_loader.h index e600baec6825..afd47217996b 100644 --- a/include/linux/soc/qcom/mdt_loader.h +++ b/include/linux/soc/qcom/mdt_loader.h @@ -11,6 +11,8 @@ struct device; struct firmware; +#if IS_ENABLED(CONFIG_QCOM_MDT_LOADER) + ssize_t qcom_mdt_get_size(const struct firmware *fw); int qcom_mdt_load(struct device *dev, const struct firmware *fw, const char *fw_name, int pas_id, void *mem_region, @@ -23,4 +25,37 @@ int qcom_mdt_load_no_init(struct device *dev, const struct firmware *fw, phys_addr_t *reloc_base); void *qcom_mdt_read_metadata(const struct firmware *fw, size_t *data_len); +#else /* !IS_ENABLED(CONFIG_QCOM_MDT_LOADER) */ + +static inline ssize_t qcom_mdt_get_size(const struct firmware *fw) +{ + return -ENODEV; +} + +static inline int qcom_mdt_load(struct device *dev, const struct firmware *fw, + const char *fw_name, int pas_id, + void *mem_region, phys_addr_t mem_phys, + size_t mem_size, phys_addr_t *reloc_base) +{ + return -ENODEV; +} + +static inline int qcom_mdt_load_no_init(struct device *dev, + const struct firmware *fw, + const char *fw_name, int pas_id, + void *mem_region, phys_addr_t mem_phys, + size_t mem_size, + phys_addr_t *reloc_base) +{ + return -ENODEV; +} + +static inline void *qcom_mdt_read_metadata(const struct firmware *fw, + size_t *data_len) +{ + return ERR_PTR(-ENODEV); +} + +#endif /* !IS_ENABLED(CONFIG_QCOM_MDT_LOADER) */ + #endif diff --git a/include/linux/sony-laptop.h b/include/linux/sony-laptop.h index 374d0fdb0743..1e3c92feea6e 100644 --- a/include/linux/sony-laptop.h +++ b/include/linux/sony-laptop.h @@ -31,7 +31,7 @@ #if IS_ENABLED(CONFIG_SONY_LAPTOP) int sony_pic_camera_command(int command, u8 value); #else -static inline int sony_pic_camera_command(int command, u8 value) { return 0; }; +static inline int sony_pic_camera_command(int command, u8 value) { return 0; } #endif #endif /* __KERNEL__ */ diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index f0b01b728640..d08039d65825 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -1005,6 +1005,8 @@ int sdw_bus_exit_clk_stop(struct sdw_bus *bus); int sdw_read(struct sdw_slave *slave, u32 addr); int sdw_write(struct sdw_slave *slave, u32 addr, u8 value); +int sdw_write_no_pm(struct sdw_slave *slave, u32 addr, u8 value); +int sdw_read_no_pm(struct sdw_slave *slave, u32 addr); int sdw_nread(struct sdw_slave *slave, u32 addr, size_t count, u8 *val); int sdw_nwrite(struct sdw_slave *slave, u32 addr, size_t count, u8 *val); diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h index 120ffddc03d2..3a5446ac014a 100644 --- a/include/linux/soundwire/sdw_intel.h +++ b/include/linux/soundwire/sdw_intel.h @@ -187,4 +187,6 @@ void sdw_intel_enable_irq(void __iomem *mmio_base, bool enable); irqreturn_t sdw_intel_thread(int irq, void *dev_id); +#define SDW_INTEL_QUIRK_MASK_BUS_DISABLE BIT(1) + #endif diff --git a/include/linux/spi/ifx_modem.h b/include/linux/spi/ifx_modem.h deleted file mode 100644 index 6d19b09139d0..000000000000 --- a/include/linux/spi/ifx_modem.h +++ /dev/null @@ -1,15 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef LINUX_IFX_MODEM_H -#define LINUX_IFX_MODEM_H - -struct ifx_modem_platform_data { - unsigned short tx_pwr; /* modem power threshold */ - unsigned char modem_type; /* Modem type */ - unsigned long max_hz; /* max SPI frequency */ - unsigned short use_dma:1; /* spi protocol driver supplies - dma-able addrs */ -}; -#define IFX_MODEM_6160 1 -#define IFX_MODEM_6260 2 - -#endif diff --git a/include/linux/spi/lms283gf05.h b/include/linux/spi/lms283gf05.h deleted file mode 100644 index f237b2d062e9..000000000000 --- a/include/linux/spi/lms283gf05.h +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * lms283gf05.h - Platform glue for Samsung LMS283GF05 LCD - * - * Copyright (C) 2009 Marek Vasut <marek.vasut@gmail.com> -*/ - -#ifndef _INCLUDE_LINUX_SPI_LMS283GF05_H_ -#define _INCLUDE_LINUX_SPI_LMS283GF05_H_ - -struct lms283gf05_pdata { - unsigned long reset_gpio; - bool reset_inverted; -}; - -#endif /* _INCLUDE_LINUX_SPI_LMS283GF05_H_ */ diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h index 159463cc659c..2b65c9edc34e 100644 --- a/include/linux/spi/spi-mem.h +++ b/include/linux/spi/spi-mem.h @@ -311,6 +311,9 @@ void spi_controller_dma_unmap_mem_op_data(struct spi_controller *ctlr, bool spi_mem_default_supports_op(struct spi_mem *mem, const struct spi_mem_op *op); +bool spi_mem_dtr_supports_op(struct spi_mem *mem, + const struct spi_mem_op *op); + #else static inline int spi_controller_dma_map_mem_op_data(struct spi_controller *ctlr, @@ -334,6 +337,12 @@ bool spi_mem_default_supports_op(struct spi_mem *mem, return false; } +static inline +bool spi_mem_dtr_supports_op(struct spi_mem *mem, + const struct spi_mem_op *op) +{ + return false; +} #endif /* CONFIG_SPI_MEM */ int spi_mem_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op); diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index aa09fdc8042d..592897fa4f03 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -6,6 +6,7 @@ #ifndef __LINUX_SPI_H #define __LINUX_SPI_H +#include <linux/bits.h> #include <linux/device.h> #include <linux/mod_devicetable.h> #include <linux/slab.h> @@ -15,6 +16,8 @@ #include <linux/gpio/consumer.h> #include <linux/ptp_clock_kernel.h> +#include <uapi/linux/spi/spi.h> + struct dma_chan; struct property_entry; struct spi_controller; @@ -164,28 +167,19 @@ struct spi_device { u8 chip_select; u8 bits_per_word; bool rt; +#define SPI_NO_TX BIT(31) /* no transmit wire */ +#define SPI_NO_RX BIT(30) /* no receive wire */ + /* + * All bits defined above should be covered by SPI_MODE_KERNEL_MASK. + * The SPI_MODE_KERNEL_MASK has the SPI_MODE_USER_MASK counterpart, + * which is defined in 'include/uapi/linux/spi/spi.h'. + * The bits defined here are from bit 31 downwards, while in + * SPI_MODE_USER_MASK are from 0 upwards. + * These bits must not overlap. A static assert check should make sure of that. + * If adding extra bits, make sure to decrease the bit index below as well. + */ +#define SPI_MODE_KERNEL_MASK (~(BIT(30) - 1)) u32 mode; -#define SPI_CPHA 0x01 /* clock phase */ -#define SPI_CPOL 0x02 /* clock polarity */ -#define SPI_MODE_0 (0|0) /* (original MicroWire) */ -#define SPI_MODE_1 (0|SPI_CPHA) -#define SPI_MODE_2 (SPI_CPOL|0) -#define SPI_MODE_3 (SPI_CPOL|SPI_CPHA) -#define SPI_MODE_X_MASK (SPI_CPOL|SPI_CPHA) -#define SPI_CS_HIGH 0x04 /* chipselect active high? */ -#define SPI_LSB_FIRST 0x08 /* per-word bits-on-wire */ -#define SPI_3WIRE 0x10 /* SI/SO signals shared */ -#define SPI_LOOP 0x20 /* loopback mode */ -#define SPI_NO_CS 0x40 /* 1 dev/bus, no chipselect */ -#define SPI_READY 0x80 /* slave pulls low to pause */ -#define SPI_TX_DUAL 0x100 /* transmit with 2 wires */ -#define SPI_TX_QUAD 0x200 /* transmit with 4 wires */ -#define SPI_RX_DUAL 0x400 /* receive with 2 wires */ -#define SPI_RX_QUAD 0x800 /* receive with 4 wires */ -#define SPI_CS_WORD 0x1000 /* toggle cs after each word */ -#define SPI_TX_OCTAL 0x2000 /* transmit with 8 wires */ -#define SPI_RX_OCTAL 0x4000 /* receive with 8 wires */ -#define SPI_3WIRE_HIZ 0x8000 /* high impedance turnaround */ int irq; void *controller_state; void *controller_data; @@ -208,6 +202,10 @@ struct spi_device { */ }; +/* Make sure that SPI_MODE_KERNEL_MASK & SPI_MODE_USER_MASK don't overlap */ +static_assert((SPI_MODE_KERNEL_MASK & SPI_MODE_USER_MASK) == 0, + "SPI_MODE_USER_MASK & SPI_MODE_KERNEL_MASK must not overlap"); + static inline struct spi_device *to_spi_device(struct device *dev) { return dev ? container_of(dev, struct spi_device, dev) : NULL; @@ -624,7 +622,7 @@ struct spi_controller { /* * These hooks are for drivers that use a generic implementation - * of transfer_one_message() provied by the core. + * of transfer_one_message() provided by the core. */ void (*set_cs)(struct spi_device *spi, bool enable); int (*transfer_one)(struct spi_controller *ctlr, struct spi_device *spi, @@ -827,6 +825,7 @@ extern void spi_res_release(struct spi_controller *ctlr, * transfer. If 0 the default (from @spi_device) is used. * @bits_per_word: select a bits_per_word other than the device default * for this transfer. If 0 the default (from @spi_device) is used. + * @dummy_data: indicates transfer is dummy bytes transfer. * @cs_change: affects chipselect after this transfer completes * @cs_change_delay: delay between cs deassert and assert when * @cs_change is set and @spi_transfer is not the last in @spi_message @@ -939,6 +938,7 @@ struct spi_transfer { struct sg_table tx_sg; struct sg_table rx_sg; + unsigned dummy_data:1; unsigned cs_change:1; unsigned tx_nbits:3; unsigned rx_nbits:3; diff --git a/include/linux/srcu.h b/include/linux/srcu.h index e432cc92c73d..a0895bbf71ce 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -60,6 +60,9 @@ void cleanup_srcu_struct(struct srcu_struct *ssp); int __srcu_read_lock(struct srcu_struct *ssp) __acquires(ssp); void __srcu_read_unlock(struct srcu_struct *ssp, int idx) __releases(ssp); void synchronize_srcu(struct srcu_struct *ssp); +unsigned long get_state_synchronize_srcu(struct srcu_struct *ssp); +unsigned long start_poll_synchronize_srcu(struct srcu_struct *ssp); +bool poll_state_synchronize_srcu(struct srcu_struct *ssp, unsigned long cookie); #ifdef CONFIG_DEBUG_LOCK_ALLOC diff --git a/include/linux/srcutiny.h b/include/linux/srcutiny.h index 5a5a1941ca15..0e0cf4d6a72a 100644 --- a/include/linux/srcutiny.h +++ b/include/linux/srcutiny.h @@ -15,7 +15,8 @@ struct srcu_struct { short srcu_lock_nesting[2]; /* srcu_read_lock() nesting depth. */ - short srcu_idx; /* Current reader array element. */ + unsigned short srcu_idx; /* Current reader array element in bit 0x2. */ + unsigned short srcu_idx_max; /* Furthest future srcu_idx request. */ u8 srcu_gp_running; /* GP workqueue running? */ u8 srcu_gp_waiting; /* GP waiting for readers? */ struct swait_queue_head srcu_wq; @@ -59,7 +60,7 @@ static inline int __srcu_read_lock(struct srcu_struct *ssp) { int idx; - idx = READ_ONCE(ssp->srcu_idx); + idx = ((READ_ONCE(ssp->srcu_idx) + 1) & 0x2) >> 1; WRITE_ONCE(ssp->srcu_lock_nesting[idx], ssp->srcu_lock_nesting[idx] + 1); return idx; } @@ -80,7 +81,7 @@ static inline void srcu_torture_stats_print(struct srcu_struct *ssp, { int idx; - idx = READ_ONCE(ssp->srcu_idx) & 0x1; + idx = ((READ_ONCE(ssp->srcu_idx) + 1) & 0x2) >> 1; pr_alert("%s%s Tiny SRCU per-CPU(idx=%d): (%hd,%hd)\n", tt, tf, idx, READ_ONCE(ssp->srcu_lock_nesting[!idx]), diff --git a/include/linux/ssb/ssb_driver_gige.h b/include/linux/ssb/ssb_driver_gige.h index 31593b34608e..15ba0df1ee0d 100644 --- a/include/linux/ssb/ssb_driver_gige.h +++ b/include/linux/ssb/ssb_driver_gige.h @@ -76,7 +76,7 @@ static inline bool ssb_gige_have_roboswitch(struct pci_dev *pdev) if (dev) return !!(dev->dev->bus->sprom.boardflags_lo & SSB_GIGE_BFL_ROBOSWITCH); - return 0; + return false; } /* Returns whether we can only do one DMA at once. */ @@ -86,7 +86,7 @@ static inline bool ssb_gige_one_dma_at_once(struct pci_dev *pdev) if (dev) return ((dev->dev->bus->chip_id == 0x4785) && (dev->dev->bus->chip_rev < 2)); - return 0; + return false; } /* Returns whether we must flush posted writes. */ @@ -159,7 +159,7 @@ static inline void ssb_gige_exit(void) static inline bool pdev_is_ssb_gige_core(struct pci_dev *pdev) { - return 0; + return false; } static inline struct ssb_gige * pdev_to_ssb_gige(struct pci_dev *pdev) { @@ -167,19 +167,19 @@ static inline struct ssb_gige * pdev_to_ssb_gige(struct pci_dev *pdev) } static inline bool ssb_gige_is_rgmii(struct pci_dev *pdev) { - return 0; + return false; } static inline bool ssb_gige_have_roboswitch(struct pci_dev *pdev) { - return 0; + return false; } static inline bool ssb_gige_one_dma_at_once(struct pci_dev *pdev) { - return 0; + return false; } static inline bool ssb_gige_must_flush_posted_writes(struct pci_dev *pdev) { - return 0; + return false; } static inline int ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr) { diff --git a/include/linux/stackdepot.h b/include/linux/stackdepot.h index 24d49c732341..6bb4bc1a5f54 100644 --- a/include/linux/stackdepot.h +++ b/include/linux/stackdepot.h @@ -21,4 +21,13 @@ unsigned int stack_depot_fetch(depot_stack_handle_t handle, unsigned int filter_irq_stacks(unsigned long *entries, unsigned int nr_entries); +#ifdef CONFIG_STACKDEPOT +int stack_depot_init(void); +#else +static inline int stack_depot_init(void) +{ + return 0; +} +#endif /* CONFIG_STACKDEPOT */ + #endif diff --git a/include/linux/static_call.h b/include/linux/static_call.h index 695da4c9b338..85ecc789f4ff 100644 --- a/include/linux/static_call.h +++ b/include/linux/static_call.h @@ -107,26 +107,10 @@ extern void arch_static_call_transform(void *site, void *tramp, void *func, bool #define STATIC_CALL_TRAMP_ADDR(name) &STATIC_CALL_TRAMP(name) -/* - * __ADDRESSABLE() is used to ensure the key symbol doesn't get stripped from - * the symbol table so that objtool can reference it when it generates the - * .static_call_sites section. - */ -#define __static_call(name) \ -({ \ - __ADDRESSABLE(STATIC_CALL_KEY(name)); \ - &STATIC_CALL_TRAMP(name); \ -}) - #else #define STATIC_CALL_TRAMP_ADDR(name) NULL #endif - -#define DECLARE_STATIC_CALL(name, func) \ - extern struct static_call_key STATIC_CALL_KEY(name); \ - extern typeof(func) STATIC_CALL_TRAMP(name); - #define static_call_update(name, func) \ ({ \ BUILD_BUG_ON(!__same_type(*(func), STATIC_CALL_TRAMP(name))); \ @@ -154,17 +138,25 @@ struct static_call_key { }; }; +/* For finding the key associated with a trampoline */ +struct static_call_tramp_key { + s32 tramp; + s32 key; +}; + extern void __static_call_update(struct static_call_key *key, void *tramp, void *func); extern int static_call_mod_init(struct module *mod); extern int static_call_text_reserved(void *start, void *end); -#define DEFINE_STATIC_CALL(name, _func) \ +extern long __static_call_return0(void); + +#define __DEFINE_STATIC_CALL(name, _func, _func_init) \ DECLARE_STATIC_CALL(name, _func); \ struct static_call_key STATIC_CALL_KEY(name) = { \ - .func = _func, \ + .func = _func_init, \ .type = 1, \ }; \ - ARCH_DEFINE_STATIC_CALL_TRAMP(name, _func) + ARCH_DEFINE_STATIC_CALL_TRAMP(name, _func_init) #define DEFINE_STATIC_CALL_NULL(name, _func) \ DECLARE_STATIC_CALL(name, _func); \ @@ -174,17 +166,23 @@ extern int static_call_text_reserved(void *start, void *end); }; \ ARCH_DEFINE_STATIC_CALL_NULL_TRAMP(name) -#define static_call(name) __static_call(name) #define static_call_cond(name) (void)__static_call(name) #define EXPORT_STATIC_CALL(name) \ EXPORT_SYMBOL(STATIC_CALL_KEY(name)); \ EXPORT_SYMBOL(STATIC_CALL_TRAMP(name)) - #define EXPORT_STATIC_CALL_GPL(name) \ EXPORT_SYMBOL_GPL(STATIC_CALL_KEY(name)); \ EXPORT_SYMBOL_GPL(STATIC_CALL_TRAMP(name)) +/* Leave the key unexported, so modules can't change static call targets: */ +#define EXPORT_STATIC_CALL_TRAMP(name) \ + EXPORT_SYMBOL(STATIC_CALL_TRAMP(name)); \ + ARCH_ADD_TRAMP_KEY(name) +#define EXPORT_STATIC_CALL_TRAMP_GPL(name) \ + EXPORT_SYMBOL_GPL(STATIC_CALL_TRAMP(name)); \ + ARCH_ADD_TRAMP_KEY(name) + #elif defined(CONFIG_HAVE_STATIC_CALL) static inline int static_call_init(void) { return 0; } @@ -193,12 +191,12 @@ struct static_call_key { void *func; }; -#define DEFINE_STATIC_CALL(name, _func) \ +#define __DEFINE_STATIC_CALL(name, _func, _func_init) \ DECLARE_STATIC_CALL(name, _func); \ struct static_call_key STATIC_CALL_KEY(name) = { \ - .func = _func, \ + .func = _func_init, \ }; \ - ARCH_DEFINE_STATIC_CALL_TRAMP(name, _func) + ARCH_DEFINE_STATIC_CALL_TRAMP(name, _func_init) #define DEFINE_STATIC_CALL_NULL(name, _func) \ DECLARE_STATIC_CALL(name, _func); \ @@ -207,7 +205,6 @@ struct static_call_key { }; \ ARCH_DEFINE_STATIC_CALL_NULL_TRAMP(name) -#define static_call(name) __static_call(name) #define static_call_cond(name) (void)__static_call(name) static inline @@ -224,14 +221,24 @@ static inline int static_call_text_reserved(void *start, void *end) return 0; } +static inline long __static_call_return0(void) +{ + return 0; +} + #define EXPORT_STATIC_CALL(name) \ EXPORT_SYMBOL(STATIC_CALL_KEY(name)); \ EXPORT_SYMBOL(STATIC_CALL_TRAMP(name)) - #define EXPORT_STATIC_CALL_GPL(name) \ EXPORT_SYMBOL_GPL(STATIC_CALL_KEY(name)); \ EXPORT_SYMBOL_GPL(STATIC_CALL_TRAMP(name)) +/* Leave the key unexported, so modules can't change static call targets: */ +#define EXPORT_STATIC_CALL_TRAMP(name) \ + EXPORT_SYMBOL(STATIC_CALL_TRAMP(name)) +#define EXPORT_STATIC_CALL_TRAMP_GPL(name) \ + EXPORT_SYMBOL_GPL(STATIC_CALL_TRAMP(name)) + #else /* Generic implementation */ static inline int static_call_init(void) { return 0; } @@ -240,10 +247,15 @@ struct static_call_key { void *func; }; -#define DEFINE_STATIC_CALL(name, _func) \ +static inline long __static_call_return0(void) +{ + return 0; +} + +#define __DEFINE_STATIC_CALL(name, _func, _func_init) \ DECLARE_STATIC_CALL(name, _func); \ struct static_call_key STATIC_CALL_KEY(name) = { \ - .func = _func, \ + .func = _func_init, \ } #define DEFINE_STATIC_CALL_NULL(name, _func) \ @@ -252,9 +264,6 @@ struct static_call_key { .func = NULL, \ } -#define static_call(name) \ - ((typeof(STATIC_CALL_TRAMP(name))*)(STATIC_CALL_KEY(name).func)) - static inline void __static_call_nop(void) { } /* @@ -295,4 +304,10 @@ static inline int static_call_text_reserved(void *start, void *end) #endif /* CONFIG_HAVE_STATIC_CALL */ +#define DEFINE_STATIC_CALL(name, _func) \ + __DEFINE_STATIC_CALL(name, _func, _func) + +#define DEFINE_STATIC_CALL_RET0(name, _func) \ + __DEFINE_STATIC_CALL(name, _func, __static_call_return0) + #endif /* _LINUX_STATIC_CALL_H */ diff --git a/include/linux/static_call_types.h b/include/linux/static_call_types.h index 89135bb35bf7..ae5662d368b9 100644 --- a/include/linux/static_call_types.h +++ b/include/linux/static_call_types.h @@ -4,11 +4,13 @@ #include <linux/types.h> #include <linux/stringify.h> +#include <linux/compiler.h> #define STATIC_CALL_KEY_PREFIX __SCK__ #define STATIC_CALL_KEY_PREFIX_STR __stringify(STATIC_CALL_KEY_PREFIX) #define STATIC_CALL_KEY_PREFIX_LEN (sizeof(STATIC_CALL_KEY_PREFIX_STR) - 1) #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name) +#define STATIC_CALL_KEY_STR(name) __stringify(STATIC_CALL_KEY(name)) #define STATIC_CALL_TRAMP_PREFIX __SCT__ #define STATIC_CALL_TRAMP_PREFIX_STR __stringify(STATIC_CALL_TRAMP_PREFIX) @@ -32,4 +34,52 @@ struct static_call_site { s32 key; }; +#define DECLARE_STATIC_CALL(name, func) \ + extern struct static_call_key STATIC_CALL_KEY(name); \ + extern typeof(func) STATIC_CALL_TRAMP(name); + +#ifdef CONFIG_HAVE_STATIC_CALL + +#define __raw_static_call(name) (&STATIC_CALL_TRAMP(name)) + +#ifdef CONFIG_HAVE_STATIC_CALL_INLINE + +/* + * __ADDRESSABLE() is used to ensure the key symbol doesn't get stripped from + * the symbol table so that objtool can reference it when it generates the + * .static_call_sites section. + */ +#define __STATIC_CALL_ADDRESSABLE(name) \ + __ADDRESSABLE(STATIC_CALL_KEY(name)) + +#define __static_call(name) \ +({ \ + __STATIC_CALL_ADDRESSABLE(name); \ + __raw_static_call(name); \ +}) + +#else /* !CONFIG_HAVE_STATIC_CALL_INLINE */ + +#define __STATIC_CALL_ADDRESSABLE(name) +#define __static_call(name) __raw_static_call(name) + +#endif /* CONFIG_HAVE_STATIC_CALL_INLINE */ + +#ifdef MODULE +#define __STATIC_CALL_MOD_ADDRESSABLE(name) +#define static_call_mod(name) __raw_static_call(name) +#else +#define __STATIC_CALL_MOD_ADDRESSABLE(name) __STATIC_CALL_ADDRESSABLE(name) +#define static_call_mod(name) __static_call(name) +#endif + +#define static_call(name) __static_call(name) + +#else + +#define static_call(name) \ + ((typeof(STATIC_CALL_TRAMP(name))*)(STATIC_CALL_KEY(name).func)) + +#endif /* CONFIG_HAVE_STATIC_CALL */ + #endif /* _STATIC_CALL_TYPES_H */ diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h index 15ca6b4167cc..a302982de2d7 100644 --- a/include/linux/stmmac.h +++ b/include/linux/stmmac.h @@ -202,5 +202,6 @@ struct plat_stmmacenet_data { bool vlan_fail_q_en; u8 vlan_fail_q; unsigned int eee_usecs_rate; + struct pci_dev *pdev; }; #endif diff --git a/include/linux/stop_machine.h b/include/linux/stop_machine.h index 30577c3aecf8..46fb3ebdd16e 100644 --- a/include/linux/stop_machine.h +++ b/include/linux/stop_machine.h @@ -128,7 +128,7 @@ int stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus); #else /* CONFIG_SMP || CONFIG_HOTPLUG_CPU */ -static inline int stop_machine_cpuslocked(cpu_stop_fn_t fn, void *data, +static __always_inline int stop_machine_cpuslocked(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus) { unsigned long flags; @@ -139,14 +139,15 @@ static inline int stop_machine_cpuslocked(cpu_stop_fn_t fn, void *data, return ret; } -static inline int stop_machine(cpu_stop_fn_t fn, void *data, - const struct cpumask *cpus) +static __always_inline int +stop_machine(cpu_stop_fn_t fn, void *data, const struct cpumask *cpus) { return stop_machine_cpuslocked(fn, data, cpus); } -static inline int stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data, - const struct cpumask *cpus) +static __always_inline int +stop_machine_from_inactive_cpu(cpu_stop_fn_t fn, void *data, + const struct cpumask *cpus) { return stop_machine(fn, data, cpus); } diff --git a/include/linux/string.h b/include/linux/string.h index 4fcfb56abcf5..9521d8cab18e 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -266,287 +266,7 @@ void __read_overflow3(void) __compiletime_error("detected read beyond size of ob void __write_overflow(void) __compiletime_error("detected write beyond size of object passed as 1st parameter"); #if !defined(__NO_FORTIFY) && defined(__OPTIMIZE__) && defined(CONFIG_FORTIFY_SOURCE) - -#if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS) -extern void *__underlying_memchr(const void *p, int c, __kernel_size_t size) __RENAME(memchr); -extern int __underlying_memcmp(const void *p, const void *q, __kernel_size_t size) __RENAME(memcmp); -extern void *__underlying_memcpy(void *p, const void *q, __kernel_size_t size) __RENAME(memcpy); -extern void *__underlying_memmove(void *p, const void *q, __kernel_size_t size) __RENAME(memmove); -extern void *__underlying_memset(void *p, int c, __kernel_size_t size) __RENAME(memset); -extern char *__underlying_strcat(char *p, const char *q) __RENAME(strcat); -extern char *__underlying_strcpy(char *p, const char *q) __RENAME(strcpy); -extern __kernel_size_t __underlying_strlen(const char *p) __RENAME(strlen); -extern char *__underlying_strncat(char *p, const char *q, __kernel_size_t count) __RENAME(strncat); -extern char *__underlying_strncpy(char *p, const char *q, __kernel_size_t size) __RENAME(strncpy); -#else -#define __underlying_memchr __builtin_memchr -#define __underlying_memcmp __builtin_memcmp -#define __underlying_memcpy __builtin_memcpy -#define __underlying_memmove __builtin_memmove -#define __underlying_memset __builtin_memset -#define __underlying_strcat __builtin_strcat -#define __underlying_strcpy __builtin_strcpy -#define __underlying_strlen __builtin_strlen -#define __underlying_strncat __builtin_strncat -#define __underlying_strncpy __builtin_strncpy -#endif - -__FORTIFY_INLINE char *strncpy(char *p, const char *q, __kernel_size_t size) -{ - size_t p_size = __builtin_object_size(p, 1); - if (__builtin_constant_p(size) && p_size < size) - __write_overflow(); - if (p_size < size) - fortify_panic(__func__); - return __underlying_strncpy(p, q, size); -} - -__FORTIFY_INLINE char *strcat(char *p, const char *q) -{ - size_t p_size = __builtin_object_size(p, 1); - if (p_size == (size_t)-1) - return __underlying_strcat(p, q); - if (strlcat(p, q, p_size) >= p_size) - fortify_panic(__func__); - return p; -} - -__FORTIFY_INLINE __kernel_size_t strlen(const char *p) -{ - __kernel_size_t ret; - size_t p_size = __builtin_object_size(p, 1); - - /* Work around gcc excess stack consumption issue */ - if (p_size == (size_t)-1 || - (__builtin_constant_p(p[p_size - 1]) && p[p_size - 1] == '\0')) - return __underlying_strlen(p); - ret = strnlen(p, p_size); - if (p_size <= ret) - fortify_panic(__func__); - return ret; -} - -extern __kernel_size_t __real_strnlen(const char *, __kernel_size_t) __RENAME(strnlen); -__FORTIFY_INLINE __kernel_size_t strnlen(const char *p, __kernel_size_t maxlen) -{ - size_t p_size = __builtin_object_size(p, 1); - __kernel_size_t ret = __real_strnlen(p, maxlen < p_size ? maxlen : p_size); - if (p_size <= ret && maxlen != ret) - fortify_panic(__func__); - return ret; -} - -/* defined after fortified strlen to reuse it */ -extern size_t __real_strlcpy(char *, const char *, size_t) __RENAME(strlcpy); -__FORTIFY_INLINE size_t strlcpy(char *p, const char *q, size_t size) -{ - size_t ret; - size_t p_size = __builtin_object_size(p, 1); - size_t q_size = __builtin_object_size(q, 1); - if (p_size == (size_t)-1 && q_size == (size_t)-1) - return __real_strlcpy(p, q, size); - ret = strlen(q); - if (size) { - size_t len = (ret >= size) ? size - 1 : ret; - if (__builtin_constant_p(len) && len >= p_size) - __write_overflow(); - if (len >= p_size) - fortify_panic(__func__); - __underlying_memcpy(p, q, len); - p[len] = '\0'; - } - return ret; -} - -/* defined after fortified strnlen to reuse it */ -extern ssize_t __real_strscpy(char *, const char *, size_t) __RENAME(strscpy); -__FORTIFY_INLINE ssize_t strscpy(char *p, const char *q, size_t size) -{ - size_t len; - /* Use string size rather than possible enclosing struct size. */ - size_t p_size = __builtin_object_size(p, 1); - size_t q_size = __builtin_object_size(q, 1); - - /* If we cannot get size of p and q default to call strscpy. */ - if (p_size == (size_t) -1 && q_size == (size_t) -1) - return __real_strscpy(p, q, size); - - /* - * If size can be known at compile time and is greater than - * p_size, generate a compile time write overflow error. - */ - if (__builtin_constant_p(size) && size > p_size) - __write_overflow(); - - /* - * This call protects from read overflow, because len will default to q - * length if it smaller than size. - */ - len = strnlen(q, size); - /* - * If len equals size, we will copy only size bytes which leads to - * -E2BIG being returned. - * Otherwise we will copy len + 1 because of the final '\O'. - */ - len = len == size ? size : len + 1; - - /* - * Generate a runtime write overflow error if len is greater than - * p_size. - */ - if (len > p_size) - fortify_panic(__func__); - - /* - * We can now safely call vanilla strscpy because we are protected from: - * 1. Read overflow thanks to call to strnlen(). - * 2. Write overflow thanks to above ifs. - */ - return __real_strscpy(p, q, len); -} - -/* defined after fortified strlen and strnlen to reuse them */ -__FORTIFY_INLINE char *strncat(char *p, const char *q, __kernel_size_t count) -{ - size_t p_len, copy_len; - size_t p_size = __builtin_object_size(p, 1); - size_t q_size = __builtin_object_size(q, 1); - if (p_size == (size_t)-1 && q_size == (size_t)-1) - return __underlying_strncat(p, q, count); - p_len = strlen(p); - copy_len = strnlen(q, count); - if (p_size < p_len + copy_len + 1) - fortify_panic(__func__); - __underlying_memcpy(p + p_len, q, copy_len); - p[p_len + copy_len] = '\0'; - return p; -} - -__FORTIFY_INLINE void *memset(void *p, int c, __kernel_size_t size) -{ - size_t p_size = __builtin_object_size(p, 0); - if (__builtin_constant_p(size) && p_size < size) - __write_overflow(); - if (p_size < size) - fortify_panic(__func__); - return __underlying_memset(p, c, size); -} - -__FORTIFY_INLINE void *memcpy(void *p, const void *q, __kernel_size_t size) -{ - size_t p_size = __builtin_object_size(p, 0); - size_t q_size = __builtin_object_size(q, 0); - if (__builtin_constant_p(size)) { - if (p_size < size) - __write_overflow(); - if (q_size < size) - __read_overflow2(); - } - if (p_size < size || q_size < size) - fortify_panic(__func__); - return __underlying_memcpy(p, q, size); -} - -__FORTIFY_INLINE void *memmove(void *p, const void *q, __kernel_size_t size) -{ - size_t p_size = __builtin_object_size(p, 0); - size_t q_size = __builtin_object_size(q, 0); - if (__builtin_constant_p(size)) { - if (p_size < size) - __write_overflow(); - if (q_size < size) - __read_overflow2(); - } - if (p_size < size || q_size < size) - fortify_panic(__func__); - return __underlying_memmove(p, q, size); -} - -extern void *__real_memscan(void *, int, __kernel_size_t) __RENAME(memscan); -__FORTIFY_INLINE void *memscan(void *p, int c, __kernel_size_t size) -{ - size_t p_size = __builtin_object_size(p, 0); - if (__builtin_constant_p(size) && p_size < size) - __read_overflow(); - if (p_size < size) - fortify_panic(__func__); - return __real_memscan(p, c, size); -} - -__FORTIFY_INLINE int memcmp(const void *p, const void *q, __kernel_size_t size) -{ - size_t p_size = __builtin_object_size(p, 0); - size_t q_size = __builtin_object_size(q, 0); - if (__builtin_constant_p(size)) { - if (p_size < size) - __read_overflow(); - if (q_size < size) - __read_overflow2(); - } - if (p_size < size || q_size < size) - fortify_panic(__func__); - return __underlying_memcmp(p, q, size); -} - -__FORTIFY_INLINE void *memchr(const void *p, int c, __kernel_size_t size) -{ - size_t p_size = __builtin_object_size(p, 0); - if (__builtin_constant_p(size) && p_size < size) - __read_overflow(); - if (p_size < size) - fortify_panic(__func__); - return __underlying_memchr(p, c, size); -} - -void *__real_memchr_inv(const void *s, int c, size_t n) __RENAME(memchr_inv); -__FORTIFY_INLINE void *memchr_inv(const void *p, int c, size_t size) -{ - size_t p_size = __builtin_object_size(p, 0); - if (__builtin_constant_p(size) && p_size < size) - __read_overflow(); - if (p_size < size) - fortify_panic(__func__); - return __real_memchr_inv(p, c, size); -} - -extern void *__real_kmemdup(const void *src, size_t len, gfp_t gfp) __RENAME(kmemdup); -__FORTIFY_INLINE void *kmemdup(const void *p, size_t size, gfp_t gfp) -{ - size_t p_size = __builtin_object_size(p, 0); - if (__builtin_constant_p(size) && p_size < size) - __read_overflow(); - if (p_size < size) - fortify_panic(__func__); - return __real_kmemdup(p, size, gfp); -} - -/* defined after fortified strlen and memcpy to reuse them */ -__FORTIFY_INLINE char *strcpy(char *p, const char *q) -{ - size_t p_size = __builtin_object_size(p, 1); - size_t q_size = __builtin_object_size(q, 1); - size_t size; - if (p_size == (size_t)-1 && q_size == (size_t)-1) - return __underlying_strcpy(p, q); - size = strlen(q) + 1; - /* test here to use the more stringent object size */ - if (p_size < size) - fortify_panic(__func__); - memcpy(p, q, size); - return p; -} - -/* Don't use these outside the FORITFY_SOURCE implementation */ -#undef __underlying_memchr -#undef __underlying_memcmp -#undef __underlying_memcpy -#undef __underlying_memmove -#undef __underlying_memset -#undef __underlying_strcat -#undef __underlying_strcpy -#undef __underlying_strlen -#undef __underlying_strncat -#undef __underlying_strncpy +#include <linux/fortify-string.h> #endif /** diff --git a/include/linux/sunrpc/msg_prot.h b/include/linux/sunrpc/msg_prot.h index 43f854487539..938c2bf29db8 100644 --- a/include/linux/sunrpc/msg_prot.h +++ b/include/linux/sunrpc/msg_prot.h @@ -10,9 +10,6 @@ #define RPC_VERSION 2 -/* size of an XDR encoding unit in bytes, i.e. 32bit */ -#define XDR_UNIT (4) - /* spec defines authentication flavor as an unsigned 32 bit integer */ typedef u32 rpc_authflavor_t; diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 34c2a69820e9..31ee3b6047c3 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -463,6 +463,7 @@ struct svc_procedure { unsigned int pc_ressize; /* result struct size */ unsigned int pc_cachetype; /* cache info (NFS) */ unsigned int pc_xdrressize; /* maximum size of XDR reply */ + const char * pc_name; /* for display */ }; /* diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h index 294b56e61522..1e76ed688044 100644 --- a/include/linux/sunrpc/svc_rdma.h +++ b/include/linux/sunrpc/svc_rdma.h @@ -49,6 +49,7 @@ #include <linux/sunrpc/rpc_rdma_cid.h> #include <linux/sunrpc/svc_rdma_pcl.h> +#include <linux/percpu_counter.h> #include <rdma/ib_verbs.h> #include <rdma/rdma_cm.h> @@ -65,15 +66,10 @@ extern unsigned int svcrdma_max_requests; extern unsigned int svcrdma_max_bc_requests; extern unsigned int svcrdma_max_req_size; -extern atomic_t rdma_stat_recv; -extern atomic_t rdma_stat_read; -extern atomic_t rdma_stat_write; -extern atomic_t rdma_stat_sq_starve; -extern atomic_t rdma_stat_rq_starve; -extern atomic_t rdma_stat_rq_poll; -extern atomic_t rdma_stat_rq_prod; -extern atomic_t rdma_stat_sq_poll; -extern atomic_t rdma_stat_sq_prod; +extern struct percpu_counter svcrdma_stat_read; +extern struct percpu_counter svcrdma_stat_recv; +extern struct percpu_counter svcrdma_stat_sq_starve; +extern struct percpu_counter svcrdma_stat_write; struct svcxprt_rdma { struct svc_xprt sc_xprt; /* SVC transport structure */ diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h index b7ac7fe68306..bcc555c7ae9c 100644 --- a/include/linux/sunrpc/svcsock.h +++ b/include/linux/sunrpc/svcsock.h @@ -35,6 +35,8 @@ struct svc_sock { /* Total length of the data (not including fragment headers) * received so far in the fragments making up this rpc: */ u32 sk_datalen; + /* Number of queued send requests */ + atomic_t sk_sendqlen; struct page * sk_pages[RPCSVC_MAXPAGES]; /* received data */ }; diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h index b26213ae8c1a..2bc75c167f00 100644 --- a/include/linux/sunrpc/xdr.h +++ b/include/linux/sunrpc/xdr.h @@ -20,6 +20,13 @@ struct bio_vec; struct rpc_rqst; /* + * Size of an XDR encoding unit in bytes, i.e. 32 bits, + * as defined in Section 3 of RFC 4506. All encoded + * XDR data items are aligned on a boundary of 32 bits. + */ +#define XDR_UNIT sizeof(__be32) + +/* * Buffer adjustment */ #define XDR_QUADLEN(l) (((l) + 3) >> 2) @@ -329,7 +336,7 @@ ssize_t xdr_stream_decode_string_dup(struct xdr_stream *xdr, char **str, static inline size_t xdr_align_size(size_t n) { - const size_t mask = sizeof(__u32) - 1; + const size_t mask = XDR_UNIT - 1; return (n + mask) & ~mask; } @@ -359,7 +366,7 @@ static inline size_t xdr_pad_size(size_t n) */ static inline ssize_t xdr_stream_encode_item_present(struct xdr_stream *xdr) { - const size_t len = sizeof(__be32); + const size_t len = XDR_UNIT; __be32 *p = xdr_reserve_space(xdr, len); if (unlikely(!p)) @@ -378,7 +385,7 @@ static inline ssize_t xdr_stream_encode_item_present(struct xdr_stream *xdr) */ static inline int xdr_stream_encode_item_absent(struct xdr_stream *xdr) { - const size_t len = sizeof(__be32); + const size_t len = XDR_UNIT; __be32 *p = xdr_reserve_space(xdr, len); if (unlikely(!p)) diff --git a/include/linux/sunxi-rsb.h b/include/linux/sunxi-rsb.h index 7e75bb0346d0..bf0d365f471c 100644 --- a/include/linux/sunxi-rsb.h +++ b/include/linux/sunxi-rsb.h @@ -59,7 +59,7 @@ static inline void sunxi_rsb_device_set_drvdata(struct sunxi_rsb_device *rdev, struct sunxi_rsb_driver { struct device_driver driver; int (*probe)(struct sunxi_rsb_device *rdev); - int (*remove)(struct sunxi_rsb_device *rdev); + void (*remove)(struct sunxi_rsb_device *rdev); }; static inline struct sunxi_rsb_driver *to_sunxi_rsb_driver(struct device_driver *d) diff --git a/include/linux/surface_acpi_notify.h b/include/linux/surface_acpi_notify.h new file mode 100644 index 000000000000..8e3e86c7d78c --- /dev/null +++ b/include/linux/surface_acpi_notify.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Interface for Surface ACPI Notify (SAN) driver. + * + * Provides access to discrete GPU notifications sent from ACPI via the SAN + * driver, which are not handled by this driver directly. + * + * Copyright (C) 2019-2020 Maximilian Luz <luzmaximilian@gmail.com> + */ + +#ifndef _LINUX_SURFACE_ACPI_NOTIFY_H +#define _LINUX_SURFACE_ACPI_NOTIFY_H + +#include <linux/notifier.h> +#include <linux/types.h> + +/** + * struct san_dgpu_event - Discrete GPU ACPI event. + * @category: Category of the event. + * @target: Target ID of the event source. + * @command: Command ID of the event. + * @instance: Instance ID of the event source. + * @length: Length of the event's payload data (in bytes). + * @payload: Pointer to the event's payload data. + */ +struct san_dgpu_event { + u8 category; + u8 target; + u8 command; + u8 instance; + u16 length; + u8 *payload; +}; + +int san_client_link(struct device *client); +int san_dgpu_notifier_register(struct notifier_block *nb); +int san_dgpu_notifier_unregister(struct notifier_block *nb); + +#endif /* _LINUX_SURFACE_ACPI_NOTIFY_H */ diff --git a/include/linux/surface_aggregator/controller.h b/include/linux/surface_aggregator/controller.h new file mode 100644 index 000000000000..f4b1ba887384 --- /dev/null +++ b/include/linux/surface_aggregator/controller.h @@ -0,0 +1,824 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Surface System Aggregator Module (SSAM) controller interface. + * + * Main communication interface for the SSAM EC. Provides a controller + * managing access and communication to and from the SSAM EC, as well as main + * communication structures and definitions. + * + * Copyright (C) 2019-2020 Maximilian Luz <luzmaximilian@gmail.com> + */ + +#ifndef _LINUX_SURFACE_AGGREGATOR_CONTROLLER_H +#define _LINUX_SURFACE_AGGREGATOR_CONTROLLER_H + +#include <linux/completion.h> +#include <linux/device.h> +#include <linux/types.h> + +#include <linux/surface_aggregator/serial_hub.h> + + +/* -- Main data types and definitions --------------------------------------- */ + +/** + * enum ssam_event_flags - Flags for enabling/disabling SAM events + * @SSAM_EVENT_SEQUENCED: The event will be sent via a sequenced data frame. + */ +enum ssam_event_flags { + SSAM_EVENT_SEQUENCED = BIT(0), +}; + +/** + * struct ssam_event - SAM event sent from the EC to the host. + * @target_category: Target category of the event source. See &enum ssam_ssh_tc. + * @target_id: Target ID of the event source. + * @command_id: Command ID of the event. + * @instance_id: Instance ID of the event source. + * @length: Length of the event payload in bytes. + * @data: Event payload data. + */ +struct ssam_event { + u8 target_category; + u8 target_id; + u8 command_id; + u8 instance_id; + u16 length; + u8 data[]; +}; + +/** + * enum ssam_request_flags - Flags for SAM requests. + * + * @SSAM_REQUEST_HAS_RESPONSE: + * Specifies that the request expects a response. If not set, the request + * will be directly completed after its underlying packet has been + * transmitted. If set, the request transport system waits for a response + * of the request. + * + * @SSAM_REQUEST_UNSEQUENCED: + * Specifies that the request should be transmitted via an unsequenced + * packet. If set, the request must not have a response, meaning that this + * flag and the %SSAM_REQUEST_HAS_RESPONSE flag are mutually exclusive. + */ +enum ssam_request_flags { + SSAM_REQUEST_HAS_RESPONSE = BIT(0), + SSAM_REQUEST_UNSEQUENCED = BIT(1), +}; + +/** + * struct ssam_request - SAM request description. + * @target_category: Category of the request's target. See &enum ssam_ssh_tc. + * @target_id: ID of the request's target. + * @command_id: Command ID of the request. + * @instance_id: Instance ID of the request's target. + * @flags: Flags for the request. See &enum ssam_request_flags. + * @length: Length of the request payload in bytes. + * @payload: Request payload data. + * + * This struct fully describes a SAM request with payload. It is intended to + * help set up the actual transport struct, e.g. &struct ssam_request_sync, + * and specifically its raw message data via ssam_request_write_data(). + */ +struct ssam_request { + u8 target_category; + u8 target_id; + u8 command_id; + u8 instance_id; + u16 flags; + u16 length; + const u8 *payload; +}; + +/** + * struct ssam_response - Response buffer for SAM request. + * @capacity: Capacity of the buffer, in bytes. + * @length: Length of the actual data stored in the memory pointed to by + * @pointer, in bytes. Set by the transport system. + * @pointer: Pointer to the buffer's memory, storing the response payload data. + */ +struct ssam_response { + size_t capacity; + size_t length; + u8 *pointer; +}; + +struct ssam_controller; + +struct ssam_controller *ssam_get_controller(void); +struct ssam_controller *ssam_client_bind(struct device *client); +int ssam_client_link(struct ssam_controller *ctrl, struct device *client); + +struct device *ssam_controller_device(struct ssam_controller *c); + +struct ssam_controller *ssam_controller_get(struct ssam_controller *c); +void ssam_controller_put(struct ssam_controller *c); + +void ssam_controller_statelock(struct ssam_controller *c); +void ssam_controller_stateunlock(struct ssam_controller *c); + +ssize_t ssam_request_write_data(struct ssam_span *buf, + struct ssam_controller *ctrl, + const struct ssam_request *spec); + + +/* -- Synchronous request interface. ---------------------------------------- */ + +/** + * struct ssam_request_sync - Synchronous SAM request struct. + * @base: Underlying SSH request. + * @comp: Completion used to signal full completion of the request. After the + * request has been submitted, this struct may only be modified or + * deallocated after the completion has been signaled. + * request has been submitted, + * @resp: Buffer to store the response. + * @status: Status of the request, set after the base request has been + * completed or has failed. + */ +struct ssam_request_sync { + struct ssh_request base; + struct completion comp; + struct ssam_response *resp; + int status; +}; + +int ssam_request_sync_alloc(size_t payload_len, gfp_t flags, + struct ssam_request_sync **rqst, + struct ssam_span *buffer); + +void ssam_request_sync_free(struct ssam_request_sync *rqst); + +int ssam_request_sync_init(struct ssam_request_sync *rqst, + enum ssam_request_flags flags); + +/** + * ssam_request_sync_set_data - Set message data of a synchronous request. + * @rqst: The request. + * @ptr: Pointer to the request message data. + * @len: Length of the request message data. + * + * Set the request message data of a synchronous request. The provided buffer + * needs to live until the request has been completed. + */ +static inline void ssam_request_sync_set_data(struct ssam_request_sync *rqst, + u8 *ptr, size_t len) +{ + ssh_request_set_data(&rqst->base, ptr, len); +} + +/** + * ssam_request_sync_set_resp - Set response buffer of a synchronous request. + * @rqst: The request. + * @resp: The response buffer. + * + * Sets the response buffer of a synchronous request. This buffer will store + * the response of the request after it has been completed. May be %NULL if no + * response is expected. + */ +static inline void ssam_request_sync_set_resp(struct ssam_request_sync *rqst, + struct ssam_response *resp) +{ + rqst->resp = resp; +} + +int ssam_request_sync_submit(struct ssam_controller *ctrl, + struct ssam_request_sync *rqst); + +/** + * ssam_request_sync_wait - Wait for completion of a synchronous request. + * @rqst: The request to wait for. + * + * Wait for completion and release of a synchronous request. After this + * function terminates, the request is guaranteed to have left the transport + * system. After successful submission of a request, this function must be + * called before accessing the response of the request, freeing the request, + * or freeing any of the buffers associated with the request. + * + * This function must not be called if the request has not been submitted yet + * and may lead to a deadlock/infinite wait if a subsequent request submission + * fails in that case, due to the completion never triggering. + * + * Return: Returns the status of the given request, which is set on completion + * of the packet. This value is zero on success and negative on failure. + */ +static inline int ssam_request_sync_wait(struct ssam_request_sync *rqst) +{ + wait_for_completion(&rqst->comp); + return rqst->status; +} + +int ssam_request_sync(struct ssam_controller *ctrl, + const struct ssam_request *spec, + struct ssam_response *rsp); + +int ssam_request_sync_with_buffer(struct ssam_controller *ctrl, + const struct ssam_request *spec, + struct ssam_response *rsp, + struct ssam_span *buf); + +/** + * ssam_request_sync_onstack - Execute a synchronous request on the stack. + * @ctrl: The controller via which the request is submitted. + * @rqst: The request specification. + * @rsp: The response buffer. + * @payload_len: The (maximum) request payload length. + * + * Allocates a synchronous request with specified payload length on the stack, + * fully initializes it via the provided request specification, submits it, + * and finally waits for its completion before returning its status. This + * helper macro essentially allocates the request message buffer on the stack + * and then calls ssam_request_sync_with_buffer(). + * + * Note: The @payload_len parameter specifies the maximum payload length, used + * for buffer allocation. The actual payload length may be smaller. + * + * Return: Returns the status of the request or any failure during setup, i.e. + * zero on success and a negative value on failure. + */ +#define ssam_request_sync_onstack(ctrl, rqst, rsp, payload_len) \ + ({ \ + u8 __data[SSH_COMMAND_MESSAGE_LENGTH(payload_len)]; \ + struct ssam_span __buf = { &__data[0], ARRAY_SIZE(__data) }; \ + \ + ssam_request_sync_with_buffer(ctrl, rqst, rsp, &__buf); \ + }) + +/** + * __ssam_retry - Retry request in case of I/O errors or timeouts. + * @request: The request function to execute. Must return an integer. + * @n: Number of tries. + * @args: Arguments for the request function. + * + * Executes the given request function, i.e. calls @request. In case the + * request returns %-EREMOTEIO (indicates I/O error) or %-ETIMEDOUT (request + * or underlying packet timed out), @request will be re-executed again, up to + * @n times in total. + * + * Return: Returns the return value of the last execution of @request. + */ +#define __ssam_retry(request, n, args...) \ + ({ \ + int __i, __s = 0; \ + \ + for (__i = (n); __i > 0; __i--) { \ + __s = request(args); \ + if (__s != -ETIMEDOUT && __s != -EREMOTEIO) \ + break; \ + } \ + __s; \ + }) + +/** + * ssam_retry - Retry request in case of I/O errors or timeouts up to three + * times in total. + * @request: The request function to execute. Must return an integer. + * @args: Arguments for the request function. + * + * Executes the given request function, i.e. calls @request. In case the + * request returns %-EREMOTEIO (indicates I/O error) or -%ETIMEDOUT (request + * or underlying packet timed out), @request will be re-executed again, up to + * three times in total. + * + * See __ssam_retry() for a more generic macro for this purpose. + * + * Return: Returns the return value of the last execution of @request. + */ +#define ssam_retry(request, args...) \ + __ssam_retry(request, 3, args) + +/** + * struct ssam_request_spec - Blue-print specification of SAM request. + * @target_category: Category of the request's target. See &enum ssam_ssh_tc. + * @target_id: ID of the request's target. + * @command_id: Command ID of the request. + * @instance_id: Instance ID of the request's target. + * @flags: Flags for the request. See &enum ssam_request_flags. + * + * Blue-print specification for a SAM request. This struct describes the + * unique static parameters of a request (i.e. type) without specifying any of + * its instance-specific data (e.g. payload). It is intended to be used as base + * for defining simple request functions via the + * ``SSAM_DEFINE_SYNC_REQUEST_x()`` family of macros. + */ +struct ssam_request_spec { + u8 target_category; + u8 target_id; + u8 command_id; + u8 instance_id; + u8 flags; +}; + +/** + * struct ssam_request_spec_md - Blue-print specification for multi-device SAM + * request. + * @target_category: Category of the request's target. See &enum ssam_ssh_tc. + * @command_id: Command ID of the request. + * @flags: Flags for the request. See &enum ssam_request_flags. + * + * Blue-print specification for a multi-device SAM request, i.e. a request + * that is applicable to multiple device instances, described by their + * individual target and instance IDs. This struct describes the unique static + * parameters of a request (i.e. type) without specifying any of its + * instance-specific data (e.g. payload) and without specifying any of its + * device specific IDs (i.e. target and instance ID). It is intended to be + * used as base for defining simple multi-device request functions via the + * ``SSAM_DEFINE_SYNC_REQUEST_MD_x()`` and ``SSAM_DEFINE_SYNC_REQUEST_CL_x()`` + * families of macros. + */ +struct ssam_request_spec_md { + u8 target_category; + u8 command_id; + u8 flags; +}; + +/** + * SSAM_DEFINE_SYNC_REQUEST_N() - Define synchronous SAM request function + * with neither argument nor return value. + * @name: Name of the generated function. + * @spec: Specification (&struct ssam_request_spec) defining the request. + * + * Defines a function executing the synchronous SAM request specified by + * @spec, with the request having neither argument nor return value. The + * generated function takes care of setting up the request struct and buffer + * allocation, as well as execution of the request itself, returning once the + * request has been fully completed. The required transport buffer will be + * allocated on the stack. + * + * The generated function is defined as ``int name(struct ssam_controller + * *ctrl)``, returning the status of the request, which is zero on success and + * negative on failure. The ``ctrl`` parameter is the controller via which the + * request is being sent. + * + * Refer to ssam_request_sync_onstack() for more details on the behavior of + * the generated function. + */ +#define SSAM_DEFINE_SYNC_REQUEST_N(name, spec...) \ + int name(struct ssam_controller *ctrl) \ + { \ + struct ssam_request_spec s = (struct ssam_request_spec)spec; \ + struct ssam_request rqst; \ + \ + rqst.target_category = s.target_category; \ + rqst.target_id = s.target_id; \ + rqst.command_id = s.command_id; \ + rqst.instance_id = s.instance_id; \ + rqst.flags = s.flags; \ + rqst.length = 0; \ + rqst.payload = NULL; \ + \ + return ssam_request_sync_onstack(ctrl, &rqst, NULL, 0); \ + } + +/** + * SSAM_DEFINE_SYNC_REQUEST_W() - Define synchronous SAM request function with + * argument. + * @name: Name of the generated function. + * @atype: Type of the request's argument. + * @spec: Specification (&struct ssam_request_spec) defining the request. + * + * Defines a function executing the synchronous SAM request specified by + * @spec, with the request taking an argument of type @atype and having no + * return value. The generated function takes care of setting up the request + * struct, buffer allocation, as well as execution of the request itself, + * returning once the request has been fully completed. The required transport + * buffer will be allocated on the stack. + * + * The generated function is defined as ``int name(struct ssam_controller + * *ctrl, const atype *arg)``, returning the status of the request, which is + * zero on success and negative on failure. The ``ctrl`` parameter is the + * controller via which the request is sent. The request argument is specified + * via the ``arg`` pointer. + * + * Refer to ssam_request_sync_onstack() for more details on the behavior of + * the generated function. + */ +#define SSAM_DEFINE_SYNC_REQUEST_W(name, atype, spec...) \ + int name(struct ssam_controller *ctrl, const atype *arg) \ + { \ + struct ssam_request_spec s = (struct ssam_request_spec)spec; \ + struct ssam_request rqst; \ + \ + rqst.target_category = s.target_category; \ + rqst.target_id = s.target_id; \ + rqst.command_id = s.command_id; \ + rqst.instance_id = s.instance_id; \ + rqst.flags = s.flags; \ + rqst.length = sizeof(atype); \ + rqst.payload = (u8 *)arg; \ + \ + return ssam_request_sync_onstack(ctrl, &rqst, NULL, \ + sizeof(atype)); \ + } + +/** + * SSAM_DEFINE_SYNC_REQUEST_R() - Define synchronous SAM request function with + * return value. + * @name: Name of the generated function. + * @rtype: Type of the request's return value. + * @spec: Specification (&struct ssam_request_spec) defining the request. + * + * Defines a function executing the synchronous SAM request specified by + * @spec, with the request taking no argument but having a return value of + * type @rtype. The generated function takes care of setting up the request + * and response structs, buffer allocation, as well as execution of the + * request itself, returning once the request has been fully completed. The + * required transport buffer will be allocated on the stack. + * + * The generated function is defined as ``int name(struct ssam_controller + * *ctrl, rtype *ret)``, returning the status of the request, which is zero on + * success and negative on failure. The ``ctrl`` parameter is the controller + * via which the request is sent. The request's return value is written to the + * memory pointed to by the ``ret`` parameter. + * + * Refer to ssam_request_sync_onstack() for more details on the behavior of + * the generated function. + */ +#define SSAM_DEFINE_SYNC_REQUEST_R(name, rtype, spec...) \ + int name(struct ssam_controller *ctrl, rtype *ret) \ + { \ + struct ssam_request_spec s = (struct ssam_request_spec)spec; \ + struct ssam_request rqst; \ + struct ssam_response rsp; \ + int status; \ + \ + rqst.target_category = s.target_category; \ + rqst.target_id = s.target_id; \ + rqst.command_id = s.command_id; \ + rqst.instance_id = s.instance_id; \ + rqst.flags = s.flags | SSAM_REQUEST_HAS_RESPONSE; \ + rqst.length = 0; \ + rqst.payload = NULL; \ + \ + rsp.capacity = sizeof(rtype); \ + rsp.length = 0; \ + rsp.pointer = (u8 *)ret; \ + \ + status = ssam_request_sync_onstack(ctrl, &rqst, &rsp, 0); \ + if (status) \ + return status; \ + \ + if (rsp.length != sizeof(rtype)) { \ + struct device *dev = ssam_controller_device(ctrl); \ + dev_err(dev, \ + "rqst: invalid response length, expected %zu, got %zu (tc: %#04x, cid: %#04x)", \ + sizeof(rtype), rsp.length, rqst.target_category,\ + rqst.command_id); \ + return -EIO; \ + } \ + \ + return 0; \ + } + +/** + * SSAM_DEFINE_SYNC_REQUEST_MD_N() - Define synchronous multi-device SAM + * request function with neither argument nor return value. + * @name: Name of the generated function. + * @spec: Specification (&struct ssam_request_spec_md) defining the request. + * + * Defines a function executing the synchronous SAM request specified by + * @spec, with the request having neither argument nor return value. Device + * specifying parameters are not hard-coded, but instead must be provided to + * the function. The generated function takes care of setting up the request + * struct, buffer allocation, as well as execution of the request itself, + * returning once the request has been fully completed. The required transport + * buffer will be allocated on the stack. + * + * The generated function is defined as ``int name(struct ssam_controller + * *ctrl, u8 tid, u8 iid)``, returning the status of the request, which is + * zero on success and negative on failure. The ``ctrl`` parameter is the + * controller via which the request is sent, ``tid`` the target ID for the + * request, and ``iid`` the instance ID. + * + * Refer to ssam_request_sync_onstack() for more details on the behavior of + * the generated function. + */ +#define SSAM_DEFINE_SYNC_REQUEST_MD_N(name, spec...) \ + int name(struct ssam_controller *ctrl, u8 tid, u8 iid) \ + { \ + struct ssam_request_spec_md s = (struct ssam_request_spec_md)spec; \ + struct ssam_request rqst; \ + \ + rqst.target_category = s.target_category; \ + rqst.target_id = tid; \ + rqst.command_id = s.command_id; \ + rqst.instance_id = iid; \ + rqst.flags = s.flags; \ + rqst.length = 0; \ + rqst.payload = NULL; \ + \ + return ssam_request_sync_onstack(ctrl, &rqst, NULL, 0); \ + } + +/** + * SSAM_DEFINE_SYNC_REQUEST_MD_W() - Define synchronous multi-device SAM + * request function with argument. + * @name: Name of the generated function. + * @atype: Type of the request's argument. + * @spec: Specification (&struct ssam_request_spec_md) defining the request. + * + * Defines a function executing the synchronous SAM request specified by + * @spec, with the request taking an argument of type @atype and having no + * return value. Device specifying parameters are not hard-coded, but instead + * must be provided to the function. The generated function takes care of + * setting up the request struct, buffer allocation, as well as execution of + * the request itself, returning once the request has been fully completed. + * The required transport buffer will be allocated on the stack. + * + * The generated function is defined as ``int name(struct ssam_controller + * *ctrl, u8 tid, u8 iid, const atype *arg)``, returning the status of the + * request, which is zero on success and negative on failure. The ``ctrl`` + * parameter is the controller via which the request is sent, ``tid`` the + * target ID for the request, and ``iid`` the instance ID. The request argument + * is specified via the ``arg`` pointer. + * + * Refer to ssam_request_sync_onstack() for more details on the behavior of + * the generated function. + */ +#define SSAM_DEFINE_SYNC_REQUEST_MD_W(name, atype, spec...) \ + int name(struct ssam_controller *ctrl, u8 tid, u8 iid, const atype *arg)\ + { \ + struct ssam_request_spec_md s = (struct ssam_request_spec_md)spec; \ + struct ssam_request rqst; \ + \ + rqst.target_category = s.target_category; \ + rqst.target_id = tid; \ + rqst.command_id = s.command_id; \ + rqst.instance_id = iid; \ + rqst.flags = s.flags; \ + rqst.length = sizeof(atype); \ + rqst.payload = (u8 *)arg; \ + \ + return ssam_request_sync_onstack(ctrl, &rqst, NULL, \ + sizeof(atype)); \ + } + +/** + * SSAM_DEFINE_SYNC_REQUEST_MD_R() - Define synchronous multi-device SAM + * request function with return value. + * @name: Name of the generated function. + * @rtype: Type of the request's return value. + * @spec: Specification (&struct ssam_request_spec_md) defining the request. + * + * Defines a function executing the synchronous SAM request specified by + * @spec, with the request taking no argument but having a return value of + * type @rtype. Device specifying parameters are not hard-coded, but instead + * must be provided to the function. The generated function takes care of + * setting up the request and response structs, buffer allocation, as well as + * execution of the request itself, returning once the request has been fully + * completed. The required transport buffer will be allocated on the stack. + * + * The generated function is defined as ``int name(struct ssam_controller + * *ctrl, u8 tid, u8 iid, rtype *ret)``, returning the status of the request, + * which is zero on success and negative on failure. The ``ctrl`` parameter is + * the controller via which the request is sent, ``tid`` the target ID for the + * request, and ``iid`` the instance ID. The request's return value is written + * to the memory pointed to by the ``ret`` parameter. + * + * Refer to ssam_request_sync_onstack() for more details on the behavior of + * the generated function. + */ +#define SSAM_DEFINE_SYNC_REQUEST_MD_R(name, rtype, spec...) \ + int name(struct ssam_controller *ctrl, u8 tid, u8 iid, rtype *ret) \ + { \ + struct ssam_request_spec_md s = (struct ssam_request_spec_md)spec; \ + struct ssam_request rqst; \ + struct ssam_response rsp; \ + int status; \ + \ + rqst.target_category = s.target_category; \ + rqst.target_id = tid; \ + rqst.command_id = s.command_id; \ + rqst.instance_id = iid; \ + rqst.flags = s.flags | SSAM_REQUEST_HAS_RESPONSE; \ + rqst.length = 0; \ + rqst.payload = NULL; \ + \ + rsp.capacity = sizeof(rtype); \ + rsp.length = 0; \ + rsp.pointer = (u8 *)ret; \ + \ + status = ssam_request_sync_onstack(ctrl, &rqst, &rsp, 0); \ + if (status) \ + return status; \ + \ + if (rsp.length != sizeof(rtype)) { \ + struct device *dev = ssam_controller_device(ctrl); \ + dev_err(dev, \ + "rqst: invalid response length, expected %zu, got %zu (tc: %#04x, cid: %#04x)", \ + sizeof(rtype), rsp.length, rqst.target_category,\ + rqst.command_id); \ + return -EIO; \ + } \ + \ + return 0; \ + } + + +/* -- Event notifier/callbacks. --------------------------------------------- */ + +#define SSAM_NOTIF_STATE_SHIFT 2 +#define SSAM_NOTIF_STATE_MASK ((1 << SSAM_NOTIF_STATE_SHIFT) - 1) + +/** + * enum ssam_notif_flags - Flags used in return values from SSAM notifier + * callback functions. + * + * @SSAM_NOTIF_HANDLED: + * Indicates that the notification has been handled. This flag should be + * set by the handler if the handler can act/has acted upon the event + * provided to it. This flag should not be set if the handler is not a + * primary handler intended for the provided event. + * + * If this flag has not been set by any handler after the notifier chain + * has been traversed, a warning will be emitted, stating that the event + * has not been handled. + * + * @SSAM_NOTIF_STOP: + * Indicates that the notifier traversal should stop. If this flag is + * returned from a notifier callback, notifier chain traversal will + * immediately stop and any remaining notifiers will not be called. This + * flag is automatically set when ssam_notifier_from_errno() is called + * with a negative error value. + */ +enum ssam_notif_flags { + SSAM_NOTIF_HANDLED = BIT(0), + SSAM_NOTIF_STOP = BIT(1), +}; + +struct ssam_event_notifier; + +typedef u32 (*ssam_notifier_fn_t)(struct ssam_event_notifier *nf, + const struct ssam_event *event); + +/** + * struct ssam_notifier_block - Base notifier block for SSAM event + * notifications. + * @node: The node for the list of notifiers. + * @fn: The callback function of this notifier. This function takes the + * respective notifier block and event as input and should return + * a notifier value, which can either be obtained from the flags + * provided in &enum ssam_notif_flags, converted from a standard + * error value via ssam_notifier_from_errno(), or a combination of + * both (e.g. ``ssam_notifier_from_errno(e) | SSAM_NOTIF_HANDLED``). + * @priority: Priority value determining the order in which notifier callbacks + * will be called. A higher value means higher priority, i.e. the + * associated callback will be executed earlier than other (lower + * priority) callbacks. + */ +struct ssam_notifier_block { + struct list_head node; + ssam_notifier_fn_t fn; + int priority; +}; + +/** + * ssam_notifier_from_errno() - Convert standard error value to notifier + * return code. + * @err: The error code to convert, must be negative (in case of failure) or + * zero (in case of success). + * + * Return: Returns the notifier return value obtained by converting the + * specified @err value. In case @err is negative, the %SSAM_NOTIF_STOP flag + * will be set, causing notifier call chain traversal to abort. + */ +static inline u32 ssam_notifier_from_errno(int err) +{ + if (WARN_ON(err > 0) || err == 0) + return 0; + else + return ((-err) << SSAM_NOTIF_STATE_SHIFT) | SSAM_NOTIF_STOP; +} + +/** + * ssam_notifier_to_errno() - Convert notifier return code to standard error + * value. + * @ret: The notifier return value to convert. + * + * Return: Returns the negative error value encoded in @ret or zero if @ret + * indicates success. + */ +static inline int ssam_notifier_to_errno(u32 ret) +{ + return -(ret >> SSAM_NOTIF_STATE_SHIFT); +} + + +/* -- Event/notification registry. ------------------------------------------ */ + +/** + * struct ssam_event_registry - Registry specification used for enabling events. + * @target_category: Target category for the event registry requests. + * @target_id: Target ID for the event registry requests. + * @cid_enable: Command ID for the event-enable request. + * @cid_disable: Command ID for the event-disable request. + * + * This struct describes a SAM event registry via the minimal collection of + * SAM IDs specifying the requests to use for enabling and disabling an event. + * The individual event to be enabled/disabled itself is specified via &struct + * ssam_event_id. + */ +struct ssam_event_registry { + u8 target_category; + u8 target_id; + u8 cid_enable; + u8 cid_disable; +}; + +/** + * struct ssam_event_id - Unique event ID used for enabling events. + * @target_category: Target category of the event source. + * @instance: Instance ID of the event source. + * + * This struct specifies the event to be enabled/disabled via an externally + * provided registry. It does not specify the registry to be used itself, this + * is done via &struct ssam_event_registry. + */ +struct ssam_event_id { + u8 target_category; + u8 instance; +}; + +/** + * enum ssam_event_mask - Flags specifying how events are matched to notifiers. + * + * @SSAM_EVENT_MASK_NONE: + * Run the callback for any event with matching target category. Do not + * do any additional filtering. + * + * @SSAM_EVENT_MASK_TARGET: + * In addition to filtering by target category, only execute the notifier + * callback for events with a target ID matching to the one of the + * registry used for enabling/disabling the event. + * + * @SSAM_EVENT_MASK_INSTANCE: + * In addition to filtering by target category, only execute the notifier + * callback for events with an instance ID matching to the instance ID + * used when enabling the event. + * + * @SSAM_EVENT_MASK_STRICT: + * Do all the filtering above. + */ +enum ssam_event_mask { + SSAM_EVENT_MASK_TARGET = BIT(0), + SSAM_EVENT_MASK_INSTANCE = BIT(1), + + SSAM_EVENT_MASK_NONE = 0, + SSAM_EVENT_MASK_STRICT = + SSAM_EVENT_MASK_TARGET + | SSAM_EVENT_MASK_INSTANCE, +}; + +/** + * SSAM_EVENT_REGISTRY() - Define a new event registry. + * @tc: Target category for the event registry requests. + * @tid: Target ID for the event registry requests. + * @cid_en: Command ID for the event-enable request. + * @cid_dis: Command ID for the event-disable request. + * + * Return: Returns the &struct ssam_event_registry specified by the given + * parameters. + */ +#define SSAM_EVENT_REGISTRY(tc, tid, cid_en, cid_dis) \ + ((struct ssam_event_registry) { \ + .target_category = (tc), \ + .target_id = (tid), \ + .cid_enable = (cid_en), \ + .cid_disable = (cid_dis), \ + }) + +#define SSAM_EVENT_REGISTRY_SAM \ + SSAM_EVENT_REGISTRY(SSAM_SSH_TC_SAM, 0x01, 0x0b, 0x0c) + +#define SSAM_EVENT_REGISTRY_KIP \ + SSAM_EVENT_REGISTRY(SSAM_SSH_TC_KIP, 0x02, 0x27, 0x28) + +#define SSAM_EVENT_REGISTRY_REG \ + SSAM_EVENT_REGISTRY(SSAM_SSH_TC_REG, 0x02, 0x01, 0x02) + +/** + * struct ssam_event_notifier - Notifier block for SSAM events. + * @base: The base notifier block with callback function and priority. + * @event: The event for which this block will receive notifications. + * @event.reg: Registry via which the event will be enabled/disabled. + * @event.id: ID specifying the event. + * @event.mask: Flags determining how events are matched to the notifier. + * @event.flags: Flags used for enabling the event. + */ +struct ssam_event_notifier { + struct ssam_notifier_block base; + + struct { + struct ssam_event_registry reg; + struct ssam_event_id id; + enum ssam_event_mask mask; + u8 flags; + } event; +}; + +int ssam_notifier_register(struct ssam_controller *ctrl, + struct ssam_event_notifier *n); + +int ssam_notifier_unregister(struct ssam_controller *ctrl, + struct ssam_event_notifier *n); + +#endif /* _LINUX_SURFACE_AGGREGATOR_CONTROLLER_H */ diff --git a/include/linux/surface_aggregator/device.h b/include/linux/surface_aggregator/device.h new file mode 100644 index 000000000000..02f3e06c0a60 --- /dev/null +++ b/include/linux/surface_aggregator/device.h @@ -0,0 +1,423 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Surface System Aggregator Module (SSAM) bus and client-device subsystem. + * + * Main interface for the surface-aggregator bus, surface-aggregator client + * devices, and respective drivers building on top of the SSAM controller. + * Provides support for non-platform/non-ACPI SSAM clients via dedicated + * subsystem. + * + * Copyright (C) 2019-2020 Maximilian Luz <luzmaximilian@gmail.com> + */ + +#ifndef _LINUX_SURFACE_AGGREGATOR_DEVICE_H +#define _LINUX_SURFACE_AGGREGATOR_DEVICE_H + +#include <linux/device.h> +#include <linux/mod_devicetable.h> +#include <linux/types.h> + +#include <linux/surface_aggregator/controller.h> + + +/* -- Surface System Aggregator Module bus. --------------------------------- */ + +/** + * enum ssam_device_domain - SAM device domain. + * @SSAM_DOMAIN_VIRTUAL: Virtual device. + * @SSAM_DOMAIN_SERIALHUB: Physical device connected via Surface Serial Hub. + */ +enum ssam_device_domain { + SSAM_DOMAIN_VIRTUAL = 0x00, + SSAM_DOMAIN_SERIALHUB = 0x01, +}; + +/** + * enum ssam_virtual_tc - Target categories for the virtual SAM domain. + * @SSAM_VIRTUAL_TC_HUB: Device hub category. + */ +enum ssam_virtual_tc { + SSAM_VIRTUAL_TC_HUB = 0x00, +}; + +/** + * struct ssam_device_uid - Unique identifier for SSAM device. + * @domain: Domain of the device. + * @category: Target category of the device. + * @target: Target ID of the device. + * @instance: Instance ID of the device. + * @function: Sub-function of the device. This field can be used to split a + * single SAM device into multiple virtual subdevices to separate + * different functionality of that device and allow one driver per + * such functionality. + */ +struct ssam_device_uid { + u8 domain; + u8 category; + u8 target; + u8 instance; + u8 function; +}; + +/* + * Special values for device matching. + * + * These values are intended to be used with SSAM_DEVICE(), SSAM_VDEV(), and + * SSAM_SDEV() exclusively. Specifically, they are used to initialize the + * match_flags member of the device ID structure. Do not use them directly + * with struct ssam_device_id or struct ssam_device_uid. + */ +#define SSAM_ANY_TID 0xffff +#define SSAM_ANY_IID 0xffff +#define SSAM_ANY_FUN 0xffff + +/** + * SSAM_DEVICE() - Initialize a &struct ssam_device_id with the given + * parameters. + * @d: Domain of the device. + * @cat: Target category of the device. + * @tid: Target ID of the device. + * @iid: Instance ID of the device. + * @fun: Sub-function of the device. + * + * Initializes a &struct ssam_device_id with the given parameters. See &struct + * ssam_device_uid for details regarding the parameters. The special values + * %SSAM_ANY_TID, %SSAM_ANY_IID, and %SSAM_ANY_FUN can be used to specify that + * matching should ignore target ID, instance ID, and/or sub-function, + * respectively. This macro initializes the ``match_flags`` field based on the + * given parameters. + * + * Note: The parameters @d and @cat must be valid &u8 values, the parameters + * @tid, @iid, and @fun must be either valid &u8 values or %SSAM_ANY_TID, + * %SSAM_ANY_IID, or %SSAM_ANY_FUN, respectively. Other non-&u8 values are not + * allowed. + */ +#define SSAM_DEVICE(d, cat, tid, iid, fun) \ + .match_flags = (((tid) != SSAM_ANY_TID) ? SSAM_MATCH_TARGET : 0) \ + | (((iid) != SSAM_ANY_IID) ? SSAM_MATCH_INSTANCE : 0) \ + | (((fun) != SSAM_ANY_FUN) ? SSAM_MATCH_FUNCTION : 0), \ + .domain = d, \ + .category = cat, \ + .target = ((tid) != SSAM_ANY_TID) ? (tid) : 0, \ + .instance = ((iid) != SSAM_ANY_IID) ? (iid) : 0, \ + .function = ((fun) != SSAM_ANY_FUN) ? (fun) : 0 \ + +/** + * SSAM_VDEV() - Initialize a &struct ssam_device_id as virtual device with + * the given parameters. + * @cat: Target category of the device. + * @tid: Target ID of the device. + * @iid: Instance ID of the device. + * @fun: Sub-function of the device. + * + * Initializes a &struct ssam_device_id with the given parameters in the + * virtual domain. See &struct ssam_device_uid for details regarding the + * parameters. The special values %SSAM_ANY_TID, %SSAM_ANY_IID, and + * %SSAM_ANY_FUN can be used to specify that matching should ignore target ID, + * instance ID, and/or sub-function, respectively. This macro initializes the + * ``match_flags`` field based on the given parameters. + * + * Note: The parameter @cat must be a valid &u8 value, the parameters @tid, + * @iid, and @fun must be either valid &u8 values or %SSAM_ANY_TID, + * %SSAM_ANY_IID, or %SSAM_ANY_FUN, respectively. Other non-&u8 values are not + * allowed. + */ +#define SSAM_VDEV(cat, tid, iid, fun) \ + SSAM_DEVICE(SSAM_DOMAIN_VIRTUAL, SSAM_VIRTUAL_TC_##cat, tid, iid, fun) + +/** + * SSAM_SDEV() - Initialize a &struct ssam_device_id as physical SSH device + * with the given parameters. + * @cat: Target category of the device. + * @tid: Target ID of the device. + * @iid: Instance ID of the device. + * @fun: Sub-function of the device. + * + * Initializes a &struct ssam_device_id with the given parameters in the SSH + * domain. See &struct ssam_device_uid for details regarding the parameters. + * The special values %SSAM_ANY_TID, %SSAM_ANY_IID, and %SSAM_ANY_FUN can be + * used to specify that matching should ignore target ID, instance ID, and/or + * sub-function, respectively. This macro initializes the ``match_flags`` + * field based on the given parameters. + * + * Note: The parameter @cat must be a valid &u8 value, the parameters @tid, + * @iid, and @fun must be either valid &u8 values or %SSAM_ANY_TID, + * %SSAM_ANY_IID, or %SSAM_ANY_FUN, respectively. Other non-&u8 values are not + * allowed. + */ +#define SSAM_SDEV(cat, tid, iid, fun) \ + SSAM_DEVICE(SSAM_DOMAIN_SERIALHUB, SSAM_SSH_TC_##cat, tid, iid, fun) + +/** + * struct ssam_device - SSAM client device. + * @dev: Driver model representation of the device. + * @ctrl: SSAM controller managing this device. + * @uid: UID identifying the device. + */ +struct ssam_device { + struct device dev; + struct ssam_controller *ctrl; + + struct ssam_device_uid uid; +}; + +/** + * struct ssam_device_driver - SSAM client device driver. + * @driver: Base driver model structure. + * @match_table: Match table specifying which devices the driver should bind to. + * @probe: Called when the driver is being bound to a device. + * @remove: Called when the driver is being unbound from the device. + */ +struct ssam_device_driver { + struct device_driver driver; + + const struct ssam_device_id *match_table; + + int (*probe)(struct ssam_device *sdev); + void (*remove)(struct ssam_device *sdev); +}; + +extern struct bus_type ssam_bus_type; +extern const struct device_type ssam_device_type; + +/** + * is_ssam_device() - Check if the given device is a SSAM client device. + * @d: The device to test the type of. + * + * Return: Returns %true if the specified device is of type &struct + * ssam_device, i.e. the device type points to %ssam_device_type, and %false + * otherwise. + */ +static inline bool is_ssam_device(struct device *d) +{ + return d->type == &ssam_device_type; +} + +/** + * to_ssam_device() - Casts the given device to a SSAM client device. + * @d: The device to cast. + * + * Casts the given &struct device to a &struct ssam_device. The caller has to + * ensure that the given device is actually enclosed in a &struct ssam_device, + * e.g. by calling is_ssam_device(). + * + * Return: Returns a pointer to the &struct ssam_device wrapping the given + * device @d. + */ +static inline struct ssam_device *to_ssam_device(struct device *d) +{ + return container_of(d, struct ssam_device, dev); +} + +/** + * to_ssam_device_driver() - Casts the given device driver to a SSAM client + * device driver. + * @d: The driver to cast. + * + * Casts the given &struct device_driver to a &struct ssam_device_driver. The + * caller has to ensure that the given driver is actually enclosed in a + * &struct ssam_device_driver. + * + * Return: Returns the pointer to the &struct ssam_device_driver wrapping the + * given device driver @d. + */ +static inline +struct ssam_device_driver *to_ssam_device_driver(struct device_driver *d) +{ + return container_of(d, struct ssam_device_driver, driver); +} + +const struct ssam_device_id *ssam_device_id_match(const struct ssam_device_id *table, + const struct ssam_device_uid uid); + +const struct ssam_device_id *ssam_device_get_match(const struct ssam_device *dev); + +const void *ssam_device_get_match_data(const struct ssam_device *dev); + +struct ssam_device *ssam_device_alloc(struct ssam_controller *ctrl, + struct ssam_device_uid uid); + +int ssam_device_add(struct ssam_device *sdev); +void ssam_device_remove(struct ssam_device *sdev); + +/** + * ssam_device_get() - Increment reference count of SSAM client device. + * @sdev: The device to increment the reference count of. + * + * Increments the reference count of the given SSAM client device by + * incrementing the reference count of the enclosed &struct device via + * get_device(). + * + * See ssam_device_put() for the counter-part of this function. + * + * Return: Returns the device provided as input. + */ +static inline struct ssam_device *ssam_device_get(struct ssam_device *sdev) +{ + return sdev ? to_ssam_device(get_device(&sdev->dev)) : NULL; +} + +/** + * ssam_device_put() - Decrement reference count of SSAM client device. + * @sdev: The device to decrement the reference count of. + * + * Decrements the reference count of the given SSAM client device by + * decrementing the reference count of the enclosed &struct device via + * put_device(). + * + * See ssam_device_get() for the counter-part of this function. + */ +static inline void ssam_device_put(struct ssam_device *sdev) +{ + if (sdev) + put_device(&sdev->dev); +} + +/** + * ssam_device_get_drvdata() - Get driver-data of SSAM client device. + * @sdev: The device to get the driver-data from. + * + * Return: Returns the driver-data of the given device, previously set via + * ssam_device_set_drvdata(). + */ +static inline void *ssam_device_get_drvdata(struct ssam_device *sdev) +{ + return dev_get_drvdata(&sdev->dev); +} + +/** + * ssam_device_set_drvdata() - Set driver-data of SSAM client device. + * @sdev: The device to set the driver-data of. + * @data: The data to set the device's driver-data pointer to. + */ +static inline void ssam_device_set_drvdata(struct ssam_device *sdev, void *data) +{ + dev_set_drvdata(&sdev->dev, data); +} + +int __ssam_device_driver_register(struct ssam_device_driver *d, struct module *o); +void ssam_device_driver_unregister(struct ssam_device_driver *d); + +/** + * ssam_device_driver_register() - Register a SSAM client device driver. + * @drv: The driver to register. + */ +#define ssam_device_driver_register(drv) \ + __ssam_device_driver_register(drv, THIS_MODULE) + +/** + * module_ssam_device_driver() - Helper macro for SSAM device driver + * registration. + * @drv: The driver managed by this module. + * + * Helper macro to register a SSAM device driver via module_init() and + * module_exit(). This macro may only be used once per module and replaces the + * aforementioned definitions. + */ +#define module_ssam_device_driver(drv) \ + module_driver(drv, ssam_device_driver_register, \ + ssam_device_driver_unregister) + + +/* -- Helpers for client-device requests. ----------------------------------- */ + +/** + * SSAM_DEFINE_SYNC_REQUEST_CL_N() - Define synchronous client-device SAM + * request function with neither argument nor return value. + * @name: Name of the generated function. + * @spec: Specification (&struct ssam_request_spec_md) defining the request. + * + * Defines a function executing the synchronous SAM request specified by + * @spec, with the request having neither argument nor return value. Device + * specifying parameters are not hard-coded, but instead are provided via the + * client device, specifically its UID, supplied when calling this function. + * The generated function takes care of setting up the request struct, buffer + * allocation, as well as execution of the request itself, returning once the + * request has been fully completed. The required transport buffer will be + * allocated on the stack. + * + * The generated function is defined as ``int name(struct ssam_device *sdev)``, + * returning the status of the request, which is zero on success and negative + * on failure. The ``sdev`` parameter specifies both the target device of the + * request and by association the controller via which the request is sent. + * + * Refer to ssam_request_sync_onstack() for more details on the behavior of + * the generated function. + */ +#define SSAM_DEFINE_SYNC_REQUEST_CL_N(name, spec...) \ + SSAM_DEFINE_SYNC_REQUEST_MD_N(__raw_##name, spec) \ + int name(struct ssam_device *sdev) \ + { \ + return __raw_##name(sdev->ctrl, sdev->uid.target, \ + sdev->uid.instance); \ + } + +/** + * SSAM_DEFINE_SYNC_REQUEST_CL_W() - Define synchronous client-device SAM + * request function with argument. + * @name: Name of the generated function. + * @atype: Type of the request's argument. + * @spec: Specification (&struct ssam_request_spec_md) defining the request. + * + * Defines a function executing the synchronous SAM request specified by + * @spec, with the request taking an argument of type @atype and having no + * return value. Device specifying parameters are not hard-coded, but instead + * are provided via the client device, specifically its UID, supplied when + * calling this function. The generated function takes care of setting up the + * request struct, buffer allocation, as well as execution of the request + * itself, returning once the request has been fully completed. The required + * transport buffer will be allocated on the stack. + * + * The generated function is defined as ``int name(struct ssam_device *sdev, + * const atype *arg)``, returning the status of the request, which is zero on + * success and negative on failure. The ``sdev`` parameter specifies both the + * target device of the request and by association the controller via which + * the request is sent. The request's argument is specified via the ``arg`` + * pointer. + * + * Refer to ssam_request_sync_onstack() for more details on the behavior of + * the generated function. + */ +#define SSAM_DEFINE_SYNC_REQUEST_CL_W(name, atype, spec...) \ + SSAM_DEFINE_SYNC_REQUEST_MD_W(__raw_##name, atype, spec) \ + int name(struct ssam_device *sdev, const atype *arg) \ + { \ + return __raw_##name(sdev->ctrl, sdev->uid.target, \ + sdev->uid.instance, arg); \ + } + +/** + * SSAM_DEFINE_SYNC_REQUEST_CL_R() - Define synchronous client-device SAM + * request function with return value. + * @name: Name of the generated function. + * @rtype: Type of the request's return value. + * @spec: Specification (&struct ssam_request_spec_md) defining the request. + * + * Defines a function executing the synchronous SAM request specified by + * @spec, with the request taking no argument but having a return value of + * type @rtype. Device specifying parameters are not hard-coded, but instead + * are provided via the client device, specifically its UID, supplied when + * calling this function. The generated function takes care of setting up the + * request struct, buffer allocation, as well as execution of the request + * itself, returning once the request has been fully completed. The required + * transport buffer will be allocated on the stack. + * + * The generated function is defined as ``int name(struct ssam_device *sdev, + * rtype *ret)``, returning the status of the request, which is zero on + * success and negative on failure. The ``sdev`` parameter specifies both the + * target device of the request and by association the controller via which + * the request is sent. The request's return value is written to the memory + * pointed to by the ``ret`` parameter. + * + * Refer to ssam_request_sync_onstack() for more details on the behavior of + * the generated function. + */ +#define SSAM_DEFINE_SYNC_REQUEST_CL_R(name, rtype, spec...) \ + SSAM_DEFINE_SYNC_REQUEST_MD_R(__raw_##name, rtype, spec) \ + int name(struct ssam_device *sdev, rtype *ret) \ + { \ + return __raw_##name(sdev->ctrl, sdev->uid.target, \ + sdev->uid.instance, ret); \ + } + +#endif /* _LINUX_SURFACE_AGGREGATOR_DEVICE_H */ diff --git a/include/linux/surface_aggregator/serial_hub.h b/include/linux/surface_aggregator/serial_hub.h new file mode 100644 index 000000000000..64276fbfa1d5 --- /dev/null +++ b/include/linux/surface_aggregator/serial_hub.h @@ -0,0 +1,672 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Surface Serial Hub (SSH) protocol and communication interface. + * + * Lower-level communication layers and SSH protocol definitions for the + * Surface System Aggregator Module (SSAM). Provides the interface for basic + * packet- and request-based communication with the SSAM EC via SSH. + * + * Copyright (C) 2019-2020 Maximilian Luz <luzmaximilian@gmail.com> + */ + +#ifndef _LINUX_SURFACE_AGGREGATOR_SERIAL_HUB_H +#define _LINUX_SURFACE_AGGREGATOR_SERIAL_HUB_H + +#include <linux/crc-ccitt.h> +#include <linux/kref.h> +#include <linux/ktime.h> +#include <linux/list.h> +#include <linux/types.h> + + +/* -- Data structures for SAM-over-SSH communication. ----------------------- */ + +/** + * enum ssh_frame_type - Frame types for SSH frames. + * + * @SSH_FRAME_TYPE_DATA_SEQ: + * Indicates a data frame, followed by a payload with the length specified + * in the ``struct ssh_frame.len`` field. This frame is sequenced, meaning + * that an ACK is required. + * + * @SSH_FRAME_TYPE_DATA_NSQ: + * Same as %SSH_FRAME_TYPE_DATA_SEQ, but unsequenced, meaning that the + * message does not have to be ACKed. + * + * @SSH_FRAME_TYPE_ACK: + * Indicates an ACK message. + * + * @SSH_FRAME_TYPE_NAK: + * Indicates an error response for previously sent frame. In general, this + * means that the frame and/or payload is malformed, e.g. a CRC is wrong. + * For command-type payloads, this can also mean that the command is + * invalid. + */ +enum ssh_frame_type { + SSH_FRAME_TYPE_DATA_SEQ = 0x80, + SSH_FRAME_TYPE_DATA_NSQ = 0x00, + SSH_FRAME_TYPE_ACK = 0x40, + SSH_FRAME_TYPE_NAK = 0x04, +}; + +/** + * struct ssh_frame - SSH communication frame. + * @type: The type of the frame. See &enum ssh_frame_type. + * @len: The length of the frame payload directly following the CRC for this + * frame. Does not include the final CRC for that payload. + * @seq: The sequence number for this message/exchange. + */ +struct ssh_frame { + u8 type; + __le16 len; + u8 seq; +} __packed; + +static_assert(sizeof(struct ssh_frame) == 4); + +/* + * SSH_FRAME_MAX_PAYLOAD_SIZE - Maximum SSH frame payload length in bytes. + * + * This is the physical maximum length of the protocol. Implementations may + * set a more constrained limit. + */ +#define SSH_FRAME_MAX_PAYLOAD_SIZE U16_MAX + +/** + * enum ssh_payload_type - Type indicator for the SSH payload. + * @SSH_PLD_TYPE_CMD: The payload is a command structure with optional command + * payload. + */ +enum ssh_payload_type { + SSH_PLD_TYPE_CMD = 0x80, +}; + +/** + * struct ssh_command - Payload of a command-type frame. + * @type: The type of the payload. See &enum ssh_payload_type. Should be + * SSH_PLD_TYPE_CMD for this struct. + * @tc: Command target category. + * @tid_out: Output target ID. Should be zero if this an incoming (EC to host) + * message. + * @tid_in: Input target ID. Should be zero if this is an outgoing (host to + * EC) message. + * @iid: Instance ID. + * @rqid: Request ID. Used to match requests with responses and differentiate + * between responses and events. + * @cid: Command ID. + */ +struct ssh_command { + u8 type; + u8 tc; + u8 tid_out; + u8 tid_in; + u8 iid; + __le16 rqid; + u8 cid; +} __packed; + +static_assert(sizeof(struct ssh_command) == 8); + +/* + * SSH_COMMAND_MAX_PAYLOAD_SIZE - Maximum SSH command payload length in bytes. + * + * This is the physical maximum length of the protocol. Implementations may + * set a more constrained limit. + */ +#define SSH_COMMAND_MAX_PAYLOAD_SIZE \ + (SSH_FRAME_MAX_PAYLOAD_SIZE - sizeof(struct ssh_command)) + +/* + * SSH_MSG_LEN_BASE - Base-length of a SSH message. + * + * This is the minimum number of bytes required to form a message. The actual + * message length is SSH_MSG_LEN_BASE plus the length of the frame payload. + */ +#define SSH_MSG_LEN_BASE (sizeof(struct ssh_frame) + 3ull * sizeof(u16)) + +/* + * SSH_MSG_LEN_CTRL - Length of a SSH control message. + * + * This is the length of a SSH control message, which is equal to a SSH + * message without any payload. + */ +#define SSH_MSG_LEN_CTRL SSH_MSG_LEN_BASE + +/** + * SSH_MESSAGE_LENGTH() - Compute length of SSH message. + * @payload_size: Length of the payload inside the SSH frame. + * + * Return: Returns the length of a SSH message with payload of specified size. + */ +#define SSH_MESSAGE_LENGTH(payload_size) (SSH_MSG_LEN_BASE + (payload_size)) + +/** + * SSH_COMMAND_MESSAGE_LENGTH() - Compute length of SSH command message. + * @payload_size: Length of the command payload. + * + * Return: Returns the length of a SSH command message with command payload of + * specified size. + */ +#define SSH_COMMAND_MESSAGE_LENGTH(payload_size) \ + SSH_MESSAGE_LENGTH(sizeof(struct ssh_command) + (payload_size)) + +/** + * SSH_MSGOFFSET_FRAME() - Compute offset in SSH message to specified field in + * frame. + * @field: The field for which the offset should be computed. + * + * Return: Returns the offset of the specified &struct ssh_frame field in the + * raw SSH message data as. Takes SYN bytes (u16) preceding the frame into + * account. + */ +#define SSH_MSGOFFSET_FRAME(field) \ + (sizeof(u16) + offsetof(struct ssh_frame, field)) + +/** + * SSH_MSGOFFSET_COMMAND() - Compute offset in SSH message to specified field + * in command. + * @field: The field for which the offset should be computed. + * + * Return: Returns the offset of the specified &struct ssh_command field in + * the raw SSH message data. Takes SYN bytes (u16) preceding the frame and the + * frame CRC (u16) between frame and command into account. + */ +#define SSH_MSGOFFSET_COMMAND(field) \ + (2ull * sizeof(u16) + sizeof(struct ssh_frame) \ + + offsetof(struct ssh_command, field)) + +/* + * SSH_MSG_SYN - SSH message synchronization (SYN) bytes as u16. + */ +#define SSH_MSG_SYN ((u16)0x55aa) + +/** + * ssh_crc() - Compute CRC for SSH messages. + * @buf: The pointer pointing to the data for which the CRC should be computed. + * @len: The length of the data for which the CRC should be computed. + * + * Return: Returns the CRC computed on the provided data, as used for SSH + * messages. + */ +static inline u16 ssh_crc(const u8 *buf, size_t len) +{ + return crc_ccitt_false(0xffff, buf, len); +} + +/* + * SSH_NUM_EVENTS - The number of reserved event IDs. + * + * The number of reserved event IDs, used for registering an SSH event + * handler. Valid event IDs are numbers below or equal to this value, with + * exception of zero, which is not an event ID. Thus, this is also the + * absolute maximum number of event handlers that can be registered. + */ +#define SSH_NUM_EVENTS 34 + +/* + * SSH_NUM_TARGETS - The number of communication targets used in the protocol. + */ +#define SSH_NUM_TARGETS 2 + +/** + * ssh_rqid_next_valid() - Return the next valid request ID. + * @rqid: The current request ID. + * + * Return: Returns the next valid request ID, following the current request ID + * provided to this function. This function skips any request IDs reserved for + * events. + */ +static inline u16 ssh_rqid_next_valid(u16 rqid) +{ + return rqid > 0 ? rqid + 1u : rqid + SSH_NUM_EVENTS + 1u; +} + +/** + * ssh_rqid_to_event() - Convert request ID to its corresponding event ID. + * @rqid: The request ID to convert. + */ +static inline u16 ssh_rqid_to_event(u16 rqid) +{ + return rqid - 1u; +} + +/** + * ssh_rqid_is_event() - Check if given request ID is a valid event ID. + * @rqid: The request ID to check. + */ +static inline bool ssh_rqid_is_event(u16 rqid) +{ + return ssh_rqid_to_event(rqid) < SSH_NUM_EVENTS; +} + +/** + * ssh_tc_to_rqid() - Convert target category to its corresponding request ID. + * @tc: The target category to convert. + */ +static inline u16 ssh_tc_to_rqid(u8 tc) +{ + return tc; +} + +/** + * ssh_tid_to_index() - Convert target ID to its corresponding target index. + * @tid: The target ID to convert. + */ +static inline u8 ssh_tid_to_index(u8 tid) +{ + return tid - 1u; +} + +/** + * ssh_tid_is_valid() - Check if target ID is valid/supported. + * @tid: The target ID to check. + */ +static inline bool ssh_tid_is_valid(u8 tid) +{ + return ssh_tid_to_index(tid) < SSH_NUM_TARGETS; +} + +/** + * struct ssam_span - Reference to a buffer region. + * @ptr: Pointer to the buffer region. + * @len: Length of the buffer region. + * + * A reference to a (non-owned) buffer segment, consisting of pointer and + * length. Use of this struct indicates non-owned data, i.e. data of which the + * life-time is managed (i.e. it is allocated/freed) via another pointer. + */ +struct ssam_span { + u8 *ptr; + size_t len; +}; + +/* + * Known SSH/EC target categories. + * + * List of currently known target category values; "Known" as in we know they + * exist and are valid on at least some device/model. Detailed functionality + * or the full category name is only known for some of these categories and + * is detailed in the respective comment below. + * + * These values and abbreviations have been extracted from strings inside the + * Windows driver. + */ +enum ssam_ssh_tc { + /* Category 0x00 is invalid for EC use. */ + SSAM_SSH_TC_SAM = 0x01, /* Generic system functionality, real-time clock. */ + SSAM_SSH_TC_BAT = 0x02, /* Battery/power subsystem. */ + SSAM_SSH_TC_TMP = 0x03, /* Thermal subsystem. */ + SSAM_SSH_TC_PMC = 0x04, + SSAM_SSH_TC_FAN = 0x05, + SSAM_SSH_TC_PoM = 0x06, + SSAM_SSH_TC_DBG = 0x07, + SSAM_SSH_TC_KBD = 0x08, /* Legacy keyboard (Laptop 1/2). */ + SSAM_SSH_TC_FWU = 0x09, + SSAM_SSH_TC_UNI = 0x0a, + SSAM_SSH_TC_LPC = 0x0b, + SSAM_SSH_TC_TCL = 0x0c, + SSAM_SSH_TC_SFL = 0x0d, + SSAM_SSH_TC_KIP = 0x0e, + SSAM_SSH_TC_EXT = 0x0f, + SSAM_SSH_TC_BLD = 0x10, + SSAM_SSH_TC_BAS = 0x11, /* Detachment system (Surface Book 2/3). */ + SSAM_SSH_TC_SEN = 0x12, + SSAM_SSH_TC_SRQ = 0x13, + SSAM_SSH_TC_MCU = 0x14, + SSAM_SSH_TC_HID = 0x15, /* Generic HID input subsystem. */ + SSAM_SSH_TC_TCH = 0x16, + SSAM_SSH_TC_BKL = 0x17, + SSAM_SSH_TC_TAM = 0x18, + SSAM_SSH_TC_ACC = 0x19, + SSAM_SSH_TC_UFI = 0x1a, + SSAM_SSH_TC_USC = 0x1b, + SSAM_SSH_TC_PEN = 0x1c, + SSAM_SSH_TC_VID = 0x1d, + SSAM_SSH_TC_AUD = 0x1e, + SSAM_SSH_TC_SMC = 0x1f, + SSAM_SSH_TC_KPD = 0x20, + SSAM_SSH_TC_REG = 0x21, /* Extended event registry. */ +}; + + +/* -- Packet transport layer (ptl). ----------------------------------------- */ + +/** + * enum ssh_packet_base_priority - Base priorities for &struct ssh_packet. + * @SSH_PACKET_PRIORITY_FLUSH: Base priority for flush packets. + * @SSH_PACKET_PRIORITY_DATA: Base priority for normal data packets. + * @SSH_PACKET_PRIORITY_NAK: Base priority for NAK packets. + * @SSH_PACKET_PRIORITY_ACK: Base priority for ACK packets. + */ +enum ssh_packet_base_priority { + SSH_PACKET_PRIORITY_FLUSH = 0, /* same as DATA to sequence flush */ + SSH_PACKET_PRIORITY_DATA = 0, + SSH_PACKET_PRIORITY_NAK = 1, + SSH_PACKET_PRIORITY_ACK = 2, +}; + +/* + * Same as SSH_PACKET_PRIORITY() below, only with actual values. + */ +#define __SSH_PACKET_PRIORITY(base, try) \ + (((base) << 4) | ((try) & 0x0f)) + +/** + * SSH_PACKET_PRIORITY() - Compute packet priority from base priority and + * number of tries. + * @base: The base priority as suffix of &enum ssh_packet_base_priority, e.g. + * ``FLUSH``, ``DATA``, ``ACK``, or ``NAK``. + * @try: The number of tries (must be less than 16). + * + * Compute the combined packet priority. The combined priority is dominated by + * the base priority, whereas the number of (re-)tries decides the precedence + * of packets with the same base priority, giving higher priority to packets + * that already have more tries. + * + * Return: Returns the computed priority as value fitting inside a &u8. A + * higher number means a higher priority. + */ +#define SSH_PACKET_PRIORITY(base, try) \ + __SSH_PACKET_PRIORITY(SSH_PACKET_PRIORITY_##base, (try)) + +/** + * ssh_packet_priority_get_try() - Get number of tries from packet priority. + * @priority: The packet priority. + * + * Return: Returns the number of tries encoded in the specified packet + * priority. + */ +static inline u8 ssh_packet_priority_get_try(u8 priority) +{ + return priority & 0x0f; +} + +/** + * ssh_packet_priority_get_base - Get base priority from packet priority. + * @priority: The packet priority. + * + * Return: Returns the base priority encoded in the given packet priority. + */ +static inline u8 ssh_packet_priority_get_base(u8 priority) +{ + return (priority & 0xf0) >> 4; +} + +enum ssh_packet_flags { + /* state flags */ + SSH_PACKET_SF_LOCKED_BIT, + SSH_PACKET_SF_QUEUED_BIT, + SSH_PACKET_SF_PENDING_BIT, + SSH_PACKET_SF_TRANSMITTING_BIT, + SSH_PACKET_SF_TRANSMITTED_BIT, + SSH_PACKET_SF_ACKED_BIT, + SSH_PACKET_SF_CANCELED_BIT, + SSH_PACKET_SF_COMPLETED_BIT, + + /* type flags */ + SSH_PACKET_TY_FLUSH_BIT, + SSH_PACKET_TY_SEQUENCED_BIT, + SSH_PACKET_TY_BLOCKING_BIT, + + /* mask for state flags */ + SSH_PACKET_FLAGS_SF_MASK = + BIT(SSH_PACKET_SF_LOCKED_BIT) + | BIT(SSH_PACKET_SF_QUEUED_BIT) + | BIT(SSH_PACKET_SF_PENDING_BIT) + | BIT(SSH_PACKET_SF_TRANSMITTING_BIT) + | BIT(SSH_PACKET_SF_TRANSMITTED_BIT) + | BIT(SSH_PACKET_SF_ACKED_BIT) + | BIT(SSH_PACKET_SF_CANCELED_BIT) + | BIT(SSH_PACKET_SF_COMPLETED_BIT), + + /* mask for type flags */ + SSH_PACKET_FLAGS_TY_MASK = + BIT(SSH_PACKET_TY_FLUSH_BIT) + | BIT(SSH_PACKET_TY_SEQUENCED_BIT) + | BIT(SSH_PACKET_TY_BLOCKING_BIT), +}; + +struct ssh_ptl; +struct ssh_packet; + +/** + * struct ssh_packet_ops - Callback operations for a SSH packet. + * @release: Function called when the packet reference count reaches zero. + * This callback must be relied upon to ensure that the packet has + * left the transport system(s). + * @complete: Function called when the packet is completed, either with + * success or failure. In case of failure, the reason for the + * failure is indicated by the value of the provided status code + * argument. This value will be zero in case of success. Note that + * a call to this callback does not guarantee that the packet is + * not in use by the transport system any more. + */ +struct ssh_packet_ops { + void (*release)(struct ssh_packet *p); + void (*complete)(struct ssh_packet *p, int status); +}; + +/** + * struct ssh_packet - SSH transport packet. + * @ptl: Pointer to the packet transport layer. May be %NULL if the packet + * (or enclosing request) has not been submitted yet. + * @refcnt: Reference count of the packet. + * @priority: Priority of the packet. Must be computed via + * SSH_PACKET_PRIORITY(). Must only be accessed while holding the + * queue lock after first submission. + * @data: Raw message data. + * @data.len: Length of the raw message data. + * @data.ptr: Pointer to the raw message data buffer. + * @state: State and type flags describing current packet state (dynamic) + * and type (static). See &enum ssh_packet_flags for possible + * options. + * @timestamp: Timestamp specifying when the latest transmission of a + * currently pending packet has been started. May be %KTIME_MAX + * before or in-between transmission attempts. Used for the packet + * timeout implementation. Must only be accessed while holding the + * pending lock after first submission. + * @queue_node: The list node for the packet queue. + * @pending_node: The list node for the set of pending packets. + * @ops: Packet operations. + */ +struct ssh_packet { + struct ssh_ptl *ptl; + struct kref refcnt; + + u8 priority; + + struct { + size_t len; + u8 *ptr; + } data; + + unsigned long state; + ktime_t timestamp; + + struct list_head queue_node; + struct list_head pending_node; + + const struct ssh_packet_ops *ops; +}; + +struct ssh_packet *ssh_packet_get(struct ssh_packet *p); +void ssh_packet_put(struct ssh_packet *p); + +/** + * ssh_packet_set_data() - Set raw message data of packet. + * @p: The packet for which the message data should be set. + * @ptr: Pointer to the memory holding the message data. + * @len: Length of the message data. + * + * Sets the raw message data buffer of the packet to the provided memory. The + * memory is not copied. Instead, the caller is responsible for management + * (i.e. allocation and deallocation) of the memory. The caller must ensure + * that the provided memory is valid and contains a valid SSH message, + * starting from the time of submission of the packet until the ``release`` + * callback has been called. During this time, the memory may not be altered + * in any way. + */ +static inline void ssh_packet_set_data(struct ssh_packet *p, u8 *ptr, size_t len) +{ + p->data.ptr = ptr; + p->data.len = len; +} + + +/* -- Request transport layer (rtl). ---------------------------------------- */ + +enum ssh_request_flags { + /* state flags */ + SSH_REQUEST_SF_LOCKED_BIT, + SSH_REQUEST_SF_QUEUED_BIT, + SSH_REQUEST_SF_PENDING_BIT, + SSH_REQUEST_SF_TRANSMITTING_BIT, + SSH_REQUEST_SF_TRANSMITTED_BIT, + SSH_REQUEST_SF_RSPRCVD_BIT, + SSH_REQUEST_SF_CANCELED_BIT, + SSH_REQUEST_SF_COMPLETED_BIT, + + /* type flags */ + SSH_REQUEST_TY_FLUSH_BIT, + SSH_REQUEST_TY_HAS_RESPONSE_BIT, + + /* mask for state flags */ + SSH_REQUEST_FLAGS_SF_MASK = + BIT(SSH_REQUEST_SF_LOCKED_BIT) + | BIT(SSH_REQUEST_SF_QUEUED_BIT) + | BIT(SSH_REQUEST_SF_PENDING_BIT) + | BIT(SSH_REQUEST_SF_TRANSMITTING_BIT) + | BIT(SSH_REQUEST_SF_TRANSMITTED_BIT) + | BIT(SSH_REQUEST_SF_RSPRCVD_BIT) + | BIT(SSH_REQUEST_SF_CANCELED_BIT) + | BIT(SSH_REQUEST_SF_COMPLETED_BIT), + + /* mask for type flags */ + SSH_REQUEST_FLAGS_TY_MASK = + BIT(SSH_REQUEST_TY_FLUSH_BIT) + | BIT(SSH_REQUEST_TY_HAS_RESPONSE_BIT), +}; + +struct ssh_rtl; +struct ssh_request; + +/** + * struct ssh_request_ops - Callback operations for a SSH request. + * @release: Function called when the request's reference count reaches zero. + * This callback must be relied upon to ensure that the request has + * left the transport systems (both, packet an request systems). + * @complete: Function called when the request is completed, either with + * success or failure. The command data for the request response + * is provided via the &struct ssh_command parameter (``cmd``), + * the command payload of the request response via the &struct + * ssh_span parameter (``data``). + * + * If the request does not have any response or has not been + * completed with success, both ``cmd`` and ``data`` parameters will + * be NULL. If the request response does not have any command + * payload, the ``data`` span will be an empty (zero-length) span. + * + * In case of failure, the reason for the failure is indicated by + * the value of the provided status code argument (``status``). This + * value will be zero in case of success and a regular errno + * otherwise. + * + * Note that a call to this callback does not guarantee that the + * request is not in use by the transport systems any more. + */ +struct ssh_request_ops { + void (*release)(struct ssh_request *rqst); + void (*complete)(struct ssh_request *rqst, + const struct ssh_command *cmd, + const struct ssam_span *data, int status); +}; + +/** + * struct ssh_request - SSH transport request. + * @packet: The underlying SSH transport packet. + * @node: List node for the request queue and pending set. + * @state: State and type flags describing current request state (dynamic) + * and type (static). See &enum ssh_request_flags for possible + * options. + * @timestamp: Timestamp specifying when we start waiting on the response of + * the request. This is set once the underlying packet has been + * completed and may be %KTIME_MAX before that, or when the request + * does not expect a response. Used for the request timeout + * implementation. + * @ops: Request Operations. + */ +struct ssh_request { + struct ssh_packet packet; + struct list_head node; + + unsigned long state; + ktime_t timestamp; + + const struct ssh_request_ops *ops; +}; + +/** + * to_ssh_request() - Cast a SSH packet to its enclosing SSH request. + * @p: The packet to cast. + * + * Casts the given &struct ssh_packet to its enclosing &struct ssh_request. + * The caller is responsible for making sure that the packet is actually + * wrapped in a &struct ssh_request. + * + * Return: Returns the &struct ssh_request wrapping the provided packet. + */ +static inline struct ssh_request *to_ssh_request(struct ssh_packet *p) +{ + return container_of(p, struct ssh_request, packet); +} + +/** + * ssh_request_get() - Increment reference count of request. + * @r: The request to increment the reference count of. + * + * Increments the reference count of the given request by incrementing the + * reference count of the underlying &struct ssh_packet, enclosed in it. + * + * See also ssh_request_put(), ssh_packet_get(). + * + * Return: Returns the request provided as input. + */ +static inline struct ssh_request *ssh_request_get(struct ssh_request *r) +{ + return r ? to_ssh_request(ssh_packet_get(&r->packet)) : NULL; +} + +/** + * ssh_request_put() - Decrement reference count of request. + * @r: The request to decrement the reference count of. + * + * Decrements the reference count of the given request by decrementing the + * reference count of the underlying &struct ssh_packet, enclosed in it. If + * the reference count reaches zero, the ``release`` callback specified in the + * request's &struct ssh_request_ops, i.e. ``r->ops->release``, will be + * called. + * + * See also ssh_request_get(), ssh_packet_put(). + */ +static inline void ssh_request_put(struct ssh_request *r) +{ + if (r) + ssh_packet_put(&r->packet); +} + +/** + * ssh_request_set_data() - Set raw message data of request. + * @r: The request for which the message data should be set. + * @ptr: Pointer to the memory holding the message data. + * @len: Length of the message data. + * + * Sets the raw message data buffer of the underlying packet to the specified + * buffer. Does not copy the actual message data, just sets the buffer pointer + * and length. Refer to ssh_packet_set_data() for more details. + */ +static inline void ssh_request_set_data(struct ssh_request *r, u8 *ptr, size_t len) +{ + ssh_packet_set_data(&r->packet, ptr, len); +} + +#endif /* _LINUX_SURFACE_AGGREGATOR_SERIAL_HUB_H */ diff --git a/include/linux/swap.h b/include/linux/swap.h index 596bc2f4d9b0..4cc6ec3bf0ab 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -356,7 +356,7 @@ extern void lru_cache_add_inactive_or_unevictable(struct page *page, extern unsigned long zone_reclaimable_pages(struct zone *zone); extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order, gfp_t gfp_mask, nodemask_t *mask); -extern int __isolate_lru_page_prepare(struct page *page, isolate_mode_t mode); +extern bool __isolate_lru_page_prepare(struct page *page, isolate_mode_t mode); extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg, unsigned long nr_pages, gfp_t gfp_mask, @@ -408,7 +408,11 @@ extern struct address_space *swapper_spaces[]; #define swap_address_space(entry) \ (&swapper_spaces[swp_type(entry)][swp_offset(entry) \ >> SWAP_ADDRESS_SPACE_SHIFT]) -extern unsigned long total_swapcache_pages(void); +static inline unsigned long total_swapcache_pages(void) +{ + return global_node_page_state(NR_SWAPCACHE); +} + extern void show_swap_cache_info(void); extern int add_to_swap(struct page *page); extern void *get_shadow_from_swap_cache(swp_entry_t entry); @@ -468,7 +472,6 @@ extern int free_swap_and_cache(swp_entry_t); int swap_type_of(dev_t device, sector_t offset); int find_first_swap(dev_t *device); extern unsigned int count_swap_pages(int, int); -extern sector_t map_swap_page(struct page *, struct block_device **); extern sector_t swapdev_block(int, pgoff_t); extern int page_swapcount(struct page *); extern int __swap_count(swp_entry_t entry); @@ -482,6 +485,7 @@ struct backing_dev_info; extern int init_swap_address_space(unsigned int type, unsigned long nr_pages); extern void exit_swap_address_space(unsigned int type); extern struct swap_info_struct *get_swap_device(swp_entry_t entry); +sector_t swap_page_sector(struct page *page); static inline void put_swap_device(struct swap_info_struct *si) { diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index d9c9fc9ca5d2..5857a937c637 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -29,6 +29,7 @@ enum swiotlb_force { * controllable. */ #define IO_TLB_SHIFT 11 +#define IO_TLB_SIZE (1 << IO_TLB_SHIFT) /* default to 64MB */ #define IO_TLB_DEFAULT_SIZE (64UL<<20) diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 7688bc983de5..2839dc9a7c01 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -68,6 +68,7 @@ union bpf_attr; struct io_uring_params; struct clone_args; struct open_how; +struct mount_attr; #include <linux/types.h> #include <linux/aio_abi.h> @@ -607,11 +608,11 @@ asmlinkage long sys_unshare(unsigned long unshare_flags); /* kernel/futex.c */ asmlinkage long sys_futex(u32 __user *uaddr, int op, u32 val, - struct __kernel_timespec __user *utime, u32 __user *uaddr2, - u32 val3); + const struct __kernel_timespec __user *utime, + u32 __user *uaddr2, u32 val3); asmlinkage long sys_futex_time32(u32 __user *uaddr, int op, u32 val, - struct old_timespec32 __user *utime, u32 __user *uaddr2, - u32 val3); + const struct old_timespec32 __user *utime, + u32 __user *uaddr2, u32 val3); asmlinkage long sys_get_robust_list(int pid, struct robust_list_head __user * __user *head_ptr, size_t __user *len_ptr); @@ -1028,6 +1029,9 @@ asmlinkage long sys_open_tree(int dfd, const char __user *path, unsigned flags); asmlinkage long sys_move_mount(int from_dfd, const char __user *from_path, int to_dfd, const char __user *to_path, unsigned int ms_flags); +asmlinkage long sys_mount_setattr(int dfd, const char __user *path, + unsigned int flags, + struct mount_attr __user *uattr, size_t usize); asmlinkage long sys_fsopen(const char __user *fs_name, unsigned int flags); asmlinkage long sys_fsconfig(int fs_fd, unsigned int cmd, const char __user *key, const void __user *value, int aux); diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 2caa34c1ca1a..d76a1ddf83a3 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -164,11 +164,13 @@ __ATTRIBUTE_GROUPS(_name) struct file; struct vm_area_struct; +struct address_space; struct bin_attribute { struct attribute attr; size_t size; void *private; + struct address_space *mapping; ssize_t (*read)(struct file *, struct kobject *, struct bin_attribute *, char *, loff_t, size_t); ssize_t (*write)(struct file *, struct kobject *, struct bin_attribute *, diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 2f87377e9af7..48d8a363319e 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -496,7 +496,8 @@ static inline u32 tcp_saved_syn_len(const struct saved_syn *saved_syn) } struct sk_buff *tcp_get_timestamping_opt_stats(const struct sock *sk, - const struct sk_buff *orig_skb); + const struct sk_buff *orig_skb, + const struct sk_buff *ack_skb); static inline u16 tcp_mss_clamp(const struct tcp_sock *tp, u16 mss) { diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h index cdd049a724b1..54269e47ac9a 100644 --- a/include/linux/tee_drv.h +++ b/include/linux/tee_drv.h @@ -88,7 +88,7 @@ struct tee_param { * @close_session: close a session * @invoke_func: invoke a trusted function * @cancel_req: request cancel of an ongoing invoke or open - * @supp_revc: called for supplicant to get a command + * @supp_recv: called for supplicant to get a command * @supp_send: called for supplicant to send a response * @shm_register: register shared memory buffer in TEE * @shm_unregister: unregister shared memory buffer in TEE diff --git a/include/linux/textsearch.h b/include/linux/textsearch.h index 13770cfe33ad..6673e4d4ac2e 100644 --- a/include/linux/textsearch.h +++ b/include/linux/textsearch.h @@ -23,7 +23,7 @@ struct ts_config; struct ts_state { unsigned int offset; - char cb[40]; + char cb[48]; }; /** diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 31b84404f047..6ac7bb1d2b1f 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -17,7 +17,6 @@ #include <linux/workqueue.h> #include <uapi/linux/thermal.h> -#define THERMAL_TRIPS_NONE -1 #define THERMAL_MAX_TRIPS 12 /* invalid cooling state */ @@ -77,8 +76,6 @@ struct thermal_zone_device_ops { int (*set_emul_temp) (struct thermal_zone_device *, int); int (*get_trend) (struct thermal_zone_device *, int, enum thermal_trend *); - int (*notify) (struct thermal_zone_device *, int, - enum thermal_trip_type); void (*hot)(struct thermal_zone_device *); void (*critical)(struct thermal_zone_device *); }; @@ -118,9 +115,9 @@ struct thermal_cooling_device { * @devdata: private pointer for device private data * @trips: number of trip points the thermal zone supports * @trips_disabled; bitmap for disabled trips - * @passive_delay: number of milliseconds to wait between polls when + * @passive_delay_jiffies: number of jiffies to wait between polls when * performing passive cooling. - * @polling_delay: number of milliseconds to wait between polls when + * @polling_delay_jiffies: number of jiffies to wait between polls when * checking whether trip points have been crossed (0 for * interrupt driven systems) * @temperature: current temperature. This is only for core code, @@ -133,9 +130,6 @@ struct thermal_cooling_device { trip point. * @prev_high_trip: the above current temperature if you've crossed a passive trip point. - * @forced_passive: If > 0, temperature at which to switch on all ACPI - * processor cooling devices. Currently only used by the - * step-wise governor. * @need_update: if equals 1, thermal_zone_device_update needs to be invoked. * @ops: operations this &thermal_zone_device supports * @tzp: thermal zone parameters @@ -161,15 +155,14 @@ struct thermal_zone_device { void *devdata; int trips; unsigned long trips_disabled; /* bitmap for disabled trips */ - int passive_delay; - int polling_delay; + unsigned long passive_delay_jiffies; + unsigned long polling_delay_jiffies; int temperature; int last_temperature; int emul_temperature; int passive; int prev_low_trip; int prev_high_trip; - unsigned int forced_passive; atomic_t need_update; struct thermal_zone_device_ops *ops; struct thermal_zone_params *tzp; @@ -397,7 +390,6 @@ int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp); int thermal_zone_get_slope(struct thermal_zone_device *tz); int thermal_zone_get_offset(struct thermal_zone_device *tz); -void thermal_cdev_update(struct thermal_cooling_device *); void thermal_notify_framework(struct thermal_zone_device *, int); int thermal_zone_device_enable(struct thermal_zone_device *tz); int thermal_zone_device_disable(struct thermal_zone_device *tz); @@ -444,8 +436,6 @@ static inline int thermal_zone_get_offset( struct thermal_zone_device *tz) { return -ENODEV; } -static inline void thermal_cdev_update(struct thermal_cooling_device *cdev) -{ } static inline void thermal_notify_framework(struct thermal_zone_device *tz, int trip) { } diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 9b2158c69275..157762db9d4b 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -11,6 +11,7 @@ #include <linux/types.h> #include <linux/bug.h> #include <linux/restart_block.h> +#include <linux/errno.h> #ifdef CONFIG_THREAD_INFO_IN_TASK /* @@ -59,6 +60,18 @@ enum syscall_work_bit { #ifdef __KERNEL__ +#ifndef arch_set_restart_data +#define arch_set_restart_data(restart) do { } while (0) +#endif + +static inline long set_restart_fn(struct restart_block *restart, + long (*fn)(struct restart_block *)) +{ + restart->fn = fn; + arch_set_restart_data(restart); + return -ERESTART_RESTARTBLOCK; +} + #ifndef THREAD_ALIGN #define THREAD_ALIGN THREAD_SIZE #endif diff --git a/include/linux/thunderbolt.h b/include/linux/thunderbolt.h index 034dccf93955..659a0a810fa1 100644 --- a/include/linux/thunderbolt.h +++ b/include/linux/thunderbolt.h @@ -45,6 +45,8 @@ enum tb_cfg_pkg_type { * @TB_SECURITY_USBONLY: Only tunnel USB controller of the connected * Thunderbolt dock (and Display Port). All PCIe * links downstream of the dock are removed. + * @TB_SECURITY_NOPCIE: For USB4 systems this level is used when the + * PCIe tunneling is disabled from the BIOS. */ enum tb_security_level { TB_SECURITY_NONE, @@ -52,6 +54,7 @@ enum tb_security_level { TB_SECURITY_SECURE, TB_SECURITY_DPONLY, TB_SECURITY_USBONLY, + TB_SECURITY_NOPCIE, }; /** diff --git a/include/linux/timer.h b/include/linux/timer.h index fda13c9d1256..4118a97e62fb 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -192,6 +192,8 @@ extern int try_to_del_timer_sync(struct timer_list *timer); #define del_singleshot_timer_sync(t) del_timer_sync(t) +extern bool timer_curr_running(struct timer_list *timer); + extern void init_timers(void); struct hrtimer; extern enum hrtimer_restart it_real_fn(struct hrtimer *); diff --git a/include/linux/topology.h b/include/linux/topology.h index ad03df1cc266..7634cd737061 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -48,6 +48,7 @@ int arch_update_cpu_topology(void); /* Conform to ACPI 2.0 SLIT distance definitions */ #define LOCAL_DISTANCE 10 #define REMOTE_DISTANCE 20 +#define DISTANCE_BITS 8 #ifndef node_distance #define node_distance(from,to) ((from) == (to) ? LOCAL_DISTANCE : REMOTE_DISTANCE) #endif diff --git a/include/linux/torture.h b/include/linux/torture.h index 7f65bd1dd307..0910c5803f35 100644 --- a/include/linux/torture.h +++ b/include/linux/torture.h @@ -32,11 +32,27 @@ #define TOROUT_STRING(s) \ pr_alert("%s" TORTURE_FLAG " %s\n", torture_type, s) #define VERBOSE_TOROUT_STRING(s) \ - do { if (verbose) pr_alert("%s" TORTURE_FLAG " %s\n", torture_type, s); } while (0) +do { \ + if (verbose) { \ + verbose_torout_sleep(); \ + pr_alert("%s" TORTURE_FLAG " %s\n", torture_type, s); \ + } \ +} while (0) #define VERBOSE_TOROUT_ERRSTRING(s) \ - do { if (verbose) pr_alert("%s" TORTURE_FLAG "!!! %s\n", torture_type, s); } while (0) +do { \ + if (verbose) { \ + verbose_torout_sleep(); \ + pr_alert("%s" TORTURE_FLAG "!!! %s\n", torture_type, s); \ + } \ +} while (0) +void verbose_torout_sleep(void); /* Definitions for online/offline exerciser. */ +#ifdef CONFIG_HOTPLUG_CPU +int torture_num_online_cpus(void); +#else /* #ifdef CONFIG_HOTPLUG_CPU */ +static inline int torture_num_online_cpus(void) { return 1; } +#endif /* #else #ifdef CONFIG_HOTPLUG_CPU */ typedef void torture_ofl_func(void); bool torture_offline(int cpu, long *n_onl_attempts, long *n_onl_successes, unsigned long *sum_offl, int *min_onl, int *max_onl); @@ -61,6 +77,13 @@ static inline void torture_random_init(struct torture_random_state *trsp) trsp->trs_count = 0; } +/* Definitions for high-resolution-timer sleeps. */ +int torture_hrtimeout_ns(ktime_t baset_ns, u32 fuzzt_ns, struct torture_random_state *trsp); +int torture_hrtimeout_us(u32 baset_us, u32 fuzzt_ns, struct torture_random_state *trsp); +int torture_hrtimeout_ms(u32 baset_ms, u32 fuzzt_us, struct torture_random_state *trsp); +int torture_hrtimeout_jiffies(u32 baset_j, struct torture_random_state *trsp); +int torture_hrtimeout_s(u32 baset_s, u32 fuzzt_ms, struct torture_random_state *trsp); + /* Task shuffler, which causes CPUs to occasionally go idle. */ void torture_shuffle_task_register(struct task_struct *tp); int torture_shuffle_init(long shuffint); diff --git a/include/linux/tpm.h b/include/linux/tpm.h index 8f4ff39f51e7..543aa3b1dedc 100644 --- a/include/linux/tpm.h +++ b/include/linux/tpm.h @@ -31,6 +31,7 @@ struct tpm_chip; struct trusted_key_payload; struct trusted_key_options; +/* if you add a new hash to this, increment TPM_MAX_HASHES below */ enum tpm_algorithms { TPM_ALG_ERROR = 0x0000, TPM_ALG_SHA1 = 0x0004, @@ -42,6 +43,12 @@ enum tpm_algorithms { TPM_ALG_SM3_256 = 0x0012, }; +/* + * maximum number of hashing algorithms a TPM can have. This is + * basically a count of every hash in tpm_algorithms above + */ +#define TPM_MAX_HASHES 5 + struct tpm_digest { u16 alg_id; u8 digest[TPM_MAX_DIGEST_SIZE]; @@ -146,7 +153,7 @@ struct tpm_chip { struct dentry *bios_dir[TPM_NUM_EVENT_LOG_FILES]; - const struct attribute_group *groups[3]; + const struct attribute_group *groups[3 + TPM_MAX_HASHES]; unsigned int groups_cnt; u32 nr_allocated_banks; @@ -397,6 +404,10 @@ static inline u32 tpm2_rc_value(u32 rc) #if defined(CONFIG_TCG_TPM) || defined(CONFIG_TCG_TPM_MODULE) extern int tpm_is_tpm2(struct tpm_chip *chip); +extern __must_check int tpm_try_get_ops(struct tpm_chip *chip); +extern void tpm_put_ops(struct tpm_chip *chip); +extern ssize_t tpm_transmit_cmd(struct tpm_chip *chip, struct tpm_buf *buf, + size_t min_rsp_body_length, const char *desc); extern int tpm_pcr_read(struct tpm_chip *chip, u32 pcr_idx, struct tpm_digest *digest); extern int tpm_pcr_extend(struct tpm_chip *chip, u32 pcr_idx, @@ -410,7 +421,6 @@ static inline int tpm_is_tpm2(struct tpm_chip *chip) { return -ENODEV; } - static inline int tpm_pcr_read(struct tpm_chip *chip, int pcr_idx, struct tpm_digest *digest) { diff --git a/include/linux/trace.h b/include/linux/trace.h index 886a4ffd9d45..be1e130ed87c 100644 --- a/include/linux/trace.h +++ b/include/linux/trace.h @@ -34,8 +34,9 @@ int unregister_ftrace_export(struct trace_export *export); struct trace_array; void trace_printk_init_buffers(void); +__printf(3, 4) int trace_array_printk(struct trace_array *tr, unsigned long ip, - const char *fmt, ...); + const char *fmt, ...); int trace_array_init_printk(struct trace_array *tr); void trace_array_put(struct trace_array *tr); struct trace_array *trace_array_get_by_name(const char *name); diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index d321fe5ad1a1..28e7af1406f2 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -55,6 +55,8 @@ struct trace_event; int trace_raw_output_prep(struct trace_iterator *iter, struct trace_event *event); +extern __printf(2, 3) +void trace_event_printf(struct trace_iterator *iter, const char *fmt, ...); /* * The trace entry - the most basic unit of tracing. This is what @@ -87,6 +89,8 @@ struct trace_iterator { unsigned long iter_flags; void *temp; /* temp holder */ unsigned int temp_size; + char *fmt; /* modified format holder */ + unsigned int fmt_size; /* trace_seq for __print_flags() and __print_symbolic() etc. */ struct trace_seq tmp_seq; @@ -148,17 +152,75 @@ enum print_line_t { enum print_line_t trace_handle_return(struct trace_seq *s); -void tracing_generic_entry_update(struct trace_entry *entry, - unsigned short type, - unsigned long flags, - int pc); +static inline void tracing_generic_entry_update(struct trace_entry *entry, + unsigned short type, + unsigned int trace_ctx) +{ + entry->preempt_count = trace_ctx & 0xff; + entry->pid = current->pid; + entry->type = type; + entry->flags = trace_ctx >> 16; +} + +unsigned int tracing_gen_ctx_irq_test(unsigned int irqs_status); + +enum trace_flag_type { + TRACE_FLAG_IRQS_OFF = 0x01, + TRACE_FLAG_IRQS_NOSUPPORT = 0x02, + TRACE_FLAG_NEED_RESCHED = 0x04, + TRACE_FLAG_HARDIRQ = 0x08, + TRACE_FLAG_SOFTIRQ = 0x10, + TRACE_FLAG_PREEMPT_RESCHED = 0x20, + TRACE_FLAG_NMI = 0x40, +}; + +#ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT +static inline unsigned int tracing_gen_ctx_flags(unsigned long irqflags) +{ + unsigned int irq_status = irqs_disabled_flags(irqflags) ? + TRACE_FLAG_IRQS_OFF : 0; + return tracing_gen_ctx_irq_test(irq_status); +} +static inline unsigned int tracing_gen_ctx(void) +{ + unsigned long irqflags; + + local_save_flags(irqflags); + return tracing_gen_ctx_flags(irqflags); +} +#else + +static inline unsigned int tracing_gen_ctx_flags(unsigned long irqflags) +{ + return tracing_gen_ctx_irq_test(TRACE_FLAG_IRQS_NOSUPPORT); +} +static inline unsigned int tracing_gen_ctx(void) +{ + return tracing_gen_ctx_irq_test(TRACE_FLAG_IRQS_NOSUPPORT); +} +#endif + +static inline unsigned int tracing_gen_ctx_dec(void) +{ + unsigned int trace_ctx; + + trace_ctx = tracing_gen_ctx(); + /* + * Subtract one from the preeption counter if preemption is enabled, + * see trace_event_buffer_reserve()for details. + */ + if (IS_ENABLED(CONFIG_PREEMPTION)) + trace_ctx--; + return trace_ctx; +} + struct trace_event_file; struct ring_buffer_event * trace_event_buffer_lock_reserve(struct trace_buffer **current_buffer, struct trace_event_file *trace_file, int type, unsigned long len, - unsigned long flags, int pc); + unsigned int trace_ctx); #define TRACE_RECORD_CMDLINE BIT(0) #define TRACE_RECORD_TGID BIT(1) @@ -232,8 +294,7 @@ struct trace_event_buffer { struct ring_buffer_event *event; struct trace_event_file *trace_file; void *entry; - unsigned long flags; - int pc; + unsigned int trace_ctx; struct pt_regs *regs; }; @@ -288,15 +349,8 @@ struct trace_event_call { struct event_filter *filter; void *mod; void *data; - /* - * bit 0: filter_active - * bit 1: allow trace by non root (cap any) - * bit 2: failed to apply filter - * bit 3: trace internal event (do not enable) - * bit 4: Event was enabled by module - * bit 5: use call filter rather than file filter - * bit 6: Event is a tracepoint - */ + + /* See the TRACE_EVENT_FL_* flags above */ int flags; /* static flags of different events */ #ifdef CONFIG_PERF_EVENTS diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index 966ed8980327..9cfb099da58f 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -152,25 +152,28 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) #ifdef TRACEPOINTS_ENABLED #ifdef CONFIG_HAVE_STATIC_CALL -#define __DO_TRACE_CALL(name) static_call(tp_func_##name) +#define __DO_TRACE_CALL(name, args) \ + do { \ + struct tracepoint_func *it_func_ptr; \ + void *__data; \ + it_func_ptr = \ + rcu_dereference_raw((&__tracepoint_##name)->funcs); \ + if (it_func_ptr) { \ + __data = (it_func_ptr)->data; \ + static_call(tp_func_##name)(__data, args); \ + } \ + } while (0) #else -#define __DO_TRACE_CALL(name) __traceiter_##name +#define __DO_TRACE_CALL(name, args) __traceiter_##name(NULL, args) #endif /* CONFIG_HAVE_STATIC_CALL */ /* * it_func[0] is never NULL because there is at least one element in the array * when the array itself is non NULL. - * - * Note, the proto and args passed in includes "__data" as the first parameter. - * The reason for this is to handle the "void" prototype. If a tracepoint - * has a "void" prototype, then it is invalid to declare a function - * as "(void *, void)". */ -#define __DO_TRACE(name, proto, args, cond, rcuidle) \ +#define __DO_TRACE(name, args, cond, rcuidle) \ do { \ - struct tracepoint_func *it_func_ptr; \ int __maybe_unused __idx = 0; \ - void *__data; \ \ if (!(cond)) \ return; \ @@ -190,12 +193,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) rcu_irq_enter_irqson(); \ } \ \ - it_func_ptr = \ - rcu_dereference_raw((&__tracepoint_##name)->funcs); \ - if (it_func_ptr) { \ - __data = (it_func_ptr)->data; \ - __DO_TRACE_CALL(name)(args); \ - } \ + __DO_TRACE_CALL(name, TP_ARGS(args)); \ \ if (rcuidle) { \ rcu_irq_exit_irqson(); \ @@ -206,17 +204,16 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) } while (0) #ifndef MODULE -#define __DECLARE_TRACE_RCU(name, proto, args, cond, data_proto, data_args) \ +#define __DECLARE_TRACE_RCU(name, proto, args, cond) \ static inline void trace_##name##_rcuidle(proto) \ { \ if (static_key_false(&__tracepoint_##name.key)) \ __DO_TRACE(name, \ - TP_PROTO(data_proto), \ - TP_ARGS(data_args), \ + TP_ARGS(args), \ TP_CONDITION(cond), 1); \ } #else -#define __DECLARE_TRACE_RCU(name, proto, args, cond, data_proto, data_args) +#define __DECLARE_TRACE_RCU(name, proto, args, cond) #endif /* @@ -231,7 +228,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) * even when this tracepoint is off. This code has no purpose other than * poking RCU a bit. */ -#define __DECLARE_TRACE(name, proto, args, cond, data_proto, data_args) \ +#define __DECLARE_TRACE(name, proto, args, cond, data_proto) \ extern int __traceiter_##name(data_proto); \ DECLARE_STATIC_CALL(tp_func_##name, __traceiter_##name); \ extern struct tracepoint __tracepoint_##name; \ @@ -239,8 +236,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) { \ if (static_key_false(&__tracepoint_##name.key)) \ __DO_TRACE(name, \ - TP_PROTO(data_proto), \ - TP_ARGS(data_args), \ + TP_ARGS(args), \ TP_CONDITION(cond), 0); \ if (IS_ENABLED(CONFIG_LOCKDEP) && (cond)) { \ rcu_read_lock_sched_notrace(); \ @@ -249,7 +245,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) } \ } \ __DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \ - PARAMS(cond), PARAMS(data_proto), PARAMS(data_args)) \ + PARAMS(cond)) \ static inline int \ register_trace_##name(void (*probe)(data_proto), void *data) \ { \ @@ -309,7 +305,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) rcu_dereference_raw((&__tracepoint_##_name)->funcs); \ if (it_func_ptr) { \ do { \ - it_func = (it_func_ptr)->func; \ + it_func = READ_ONCE((it_func_ptr)->func); \ __data = (it_func_ptr)->data; \ ((void(*)(void *, proto))(it_func))(__data, args); \ } while ((++it_func_ptr)->func); \ @@ -332,7 +328,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) #else /* !TRACEPOINTS_ENABLED */ -#define __DECLARE_TRACE(name, proto, args, cond, data_proto, data_args) \ +#define __DECLARE_TRACE(name, proto, args, cond, data_proto) \ static inline void trace_##name(proto) \ { } \ static inline void trace_##name##_rcuidle(proto) \ @@ -412,14 +408,12 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) #define DECLARE_TRACE(name, proto, args) \ __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ cpu_online(raw_smp_processor_id()), \ - PARAMS(void *__data, proto), \ - PARAMS(__data, args)) + PARAMS(void *__data, proto)) #define DECLARE_TRACE_CONDITION(name, proto, args, cond) \ __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \ cpu_online(raw_smp_processor_id()) && (PARAMS(cond)), \ - PARAMS(void *__data, proto), \ - PARAMS(__data, args)) + PARAMS(void *__data, proto)) #define TRACE_EVENT_FLAGS(event, flag) diff --git a/include/linux/tty.h b/include/linux/tty.h index 37803f3e6d49..95fc2f100f12 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -240,8 +240,7 @@ struct tty_port { wait_queue_head_t delta_msr_wait; /* Modem status change */ unsigned long flags; /* User TTY flags ASYNC_ */ unsigned long iflags; /* Internal flags TTY_PORT_ */ - unsigned char console:1, /* port is a console */ - low_latency:1; /* optional: tune for latency */ + unsigned char console:1; /* port is a console */ struct mutex mutex; /* Locking */ struct mutex buf_mutex; /* Buffer alloc lock */ unsigned char *xmit_buf; /* Optional buffer */ @@ -416,12 +415,14 @@ extern struct tty_struct *get_current_tty(void); /* tty_io.c */ extern int __init tty_init(void); extern const char *tty_name(const struct tty_struct *tty); -extern struct tty_struct *tty_kopen(dev_t device); +extern struct tty_struct *tty_kopen_exclusive(dev_t device); +extern struct tty_struct *tty_kopen_shared(dev_t device); extern void tty_kclose(struct tty_struct *tty); extern int tty_dev_name_to_number(const char *name, dev_t *number); extern int tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout); extern void tty_ldisc_unlock(struct tty_struct *tty); extern ssize_t redirected_tty_write(struct kiocb *, struct iov_iter *); +extern struct file *tty_release_redirect(struct tty_struct *tty); #else static inline void tty_kref_put(struct tty_struct *tty) { } @@ -442,7 +443,7 @@ static inline int __init tty_init(void) { return 0; } static inline const char *tty_name(const struct tty_struct *tty) { return "(none)"; } -static inline struct tty_struct *tty_kopen(dev_t device) +static inline struct tty_struct *tty_kopen_exclusive(dev_t device) { return ERR_PTR(-ENODEV); } static inline void tty_kclose(struct tty_struct *tty) { } @@ -500,6 +501,8 @@ extern void tty_unthrottle(struct tty_struct *tty); extern int tty_throttle_safe(struct tty_struct *tty); extern int tty_unthrottle_safe(struct tty_struct *tty); extern int tty_do_resize(struct tty_struct *tty, struct winsize *ws); +extern int tty_get_icount(struct tty_struct *tty, + struct serial_icounter_struct *icount); extern int is_current_pgrp_orphaned(void); extern void tty_hangup(struct tty_struct *tty); extern void tty_vhangup(struct tty_struct *tty); diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h index b1e6043e9917..572a07976116 100644 --- a/include/linux/tty_ldisc.h +++ b/include/linux/tty_ldisc.h @@ -185,7 +185,8 @@ struct tty_ldisc_ops { void (*close)(struct tty_struct *); void (*flush_buffer)(struct tty_struct *tty); ssize_t (*read)(struct tty_struct *tty, struct file *file, - unsigned char __user *buf, size_t nr); + unsigned char *buf, size_t nr, + void **cookie, unsigned long offset); ssize_t (*write)(struct tty_struct *tty, struct file *file, const unsigned char *buf, size_t nr); int (*ioctl)(struct tty_struct *tty, struct file *file, diff --git a/include/linux/types.h b/include/linux/types.h index a147977602b5..ac825ad90e44 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -14,7 +14,7 @@ typedef u32 __kernel_dev_t; typedef __kernel_fd_set fd_set; typedef __kernel_dev_t dev_t; -typedef __kernel_ino_t ino_t; +typedef __kernel_ulong_t ino_t; typedef __kernel_mode_t mode_t; typedef unsigned short umode_t; typedef u32 nlink_t; @@ -189,7 +189,11 @@ struct hlist_node { struct ustat { __kernel_daddr_t f_tfree; - __kernel_ino_t f_tinode; +#ifdef CONFIG_ARCH_32BIT_USTAT_F_TINODE + unsigned int f_tinode; +#else + unsigned long f_tinode; +#endif char f_fname[6]; char f_fpack[6]; }; diff --git a/include/linux/u64_stats_sync.h b/include/linux/u64_stats_sync.h index c6abb79501b3..e81856c0ba13 100644 --- a/include/linux/u64_stats_sync.h +++ b/include/linux/u64_stats_sync.h @@ -115,12 +115,13 @@ static inline void u64_stats_inc(u64_stats_t *p) } #endif +#if BITS_PER_LONG == 32 && defined(CONFIG_SMP) +#define u64_stats_init(syncp) seqcount_init(&(syncp)->seq) +#else static inline void u64_stats_init(struct u64_stats_sync *syncp) { -#if BITS_PER_LONG == 32 && defined(CONFIG_SMP) - seqcount_init(&syncp->seq); -#endif } +#endif static inline void u64_stats_update_begin(struct u64_stats_sync *syncp) { diff --git a/include/linux/units.h b/include/linux/units.h index 5c115c809507..dcc30a53fa93 100644 --- a/include/linux/units.h +++ b/include/linux/units.h @@ -4,6 +4,10 @@ #include <linux/math.h> +#define MILLIWATT_PER_WATT 1000L +#define MICROWATT_PER_MILLIWATT 1000L +#define MICROWATT_PER_WATT 1000000L + #define ABSOLUTE_ZERO_MILLICELSIUS -273150 static inline long milli_kelvin_to_millicelsius(long t) diff --git a/include/linux/usb.h b/include/linux/usb.h index 7d72c4e0713c..d6a41841b93e 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -746,6 +746,8 @@ extern int usb_lock_device_for_reset(struct usb_device *udev, extern int usb_reset_device(struct usb_device *dev); extern void usb_queue_reset_device(struct usb_interface *dev); +extern struct device *usb_intf_get_dma_device(struct usb_interface *intf); + #ifdef CONFIG_ACPI extern int usb_acpi_set_power_state(struct usb_device *hdev, int index, bool enable); diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index 0ce4377545f8..f7cb3ddce7fb 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -98,6 +98,8 @@ struct cdc_ncm_ctx { struct hrtimer tx_timer; struct tasklet_struct bh; + struct usbnet *dev; + const struct usb_cdc_ncm_desc *func_desc; const struct usb_cdc_mbim_desc *mbim_desc; const struct usb_cdc_mbim_extended_desc *mbim_extended_desc; diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index 604c6c514a50..abdd310c77f0 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -36,6 +36,15 @@ #include <linux/device.h> #include <uapi/linux/usb/ch9.h> +/* USB 3.2 SuperSpeed Plus phy signaling rate generation and lane count */ + +enum usb_ssp_rate { + USB_SSP_GEN_UNKNOWN = 0, + USB_SSP_GEN_2x1, + USB_SSP_GEN_1x2, + USB_SSP_GEN_2x2, +}; + /** * usb_ep_type_string() - Returns human readable-name of the endpoint type. * @ep_type: The endpoint type to return human-readable name for. If it's not @@ -63,6 +72,17 @@ extern const char *usb_speed_string(enum usb_device_speed speed); extern enum usb_device_speed usb_get_maximum_speed(struct device *dev); /** + * usb_get_maximum_ssp_rate - Get the signaling rate generation and lane count + * of a SuperSpeed Plus capable device. + * @dev: Pointer to the given USB controller device + * + * If the string from "maximum-speed" property is super-speed-plus-genXxY where + * 'X' is the generation number and 'Y' is the number of lanes, then this + * function returns the corresponding enum usb_ssp_rate. + */ +extern enum usb_ssp_rate usb_get_maximum_ssp_rate(struct device *dev); + +/** * usb_state_string - Returns human readable name for the state. * @state: The state to return a human-readable name for. If it's not * any of the states devices in usb_device_state_string enum, diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index 025b41687ce9..edf3342507f1 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -88,6 +88,12 @@ struct ci_hdrc_platform_data { struct pinctrl_state *pins_default; struct pinctrl_state *pins_host; struct pinctrl_state *pins_device; + + /* platform-specific hooks */ + int (*hub_control)(struct ci_hdrc *ci, u16 typeReq, u16 wValue, + u16 wIndex, char *buf, u16 wLength, + bool *done, unsigned long *flags); + void (*enter_lpm)(struct ci_hdrc *ci, bool enable); }; /* Default offset of capability registers */ diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index a2d229ab63ba..c71150f2c639 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -525,6 +525,8 @@ extern struct usb_string *usb_gstrings_attach(struct usb_composite_dev *cdev, extern int usb_string_ids_n(struct usb_composite_dev *c, unsigned n); extern void composite_disconnect(struct usb_gadget *gadget); +extern void composite_reset(struct usb_gadget *gadget); + extern int composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl); extern void composite_suspend(struct usb_gadget *gadget); @@ -573,8 +575,8 @@ static inline u16 get_default_bcdDevice(void) { u16 bcdDevice; - bcdDevice = bin2bcd((LINUX_VERSION_CODE >> 16 & 0xff)) << 8; - bcdDevice |= bin2bcd((LINUX_VERSION_CODE >> 8 & 0xff)); + bcdDevice = bin2bcd(LINUX_VERSION_MAJOR) << 8; + bcdDevice |= bin2bcd(LINUX_VERSION_PATCHLEVEL); return bcdDevice; } diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index e7351d64f11f..ee04ef214ce8 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -323,6 +323,8 @@ struct usb_gadget_ops { struct usb_gadget_driver *); int (*udc_stop)(struct usb_gadget *); void (*udc_set_speed)(struct usb_gadget *, enum usb_device_speed); + void (*udc_set_ssp_rate)(struct usb_gadget *gadget, + enum usb_ssp_rate rate); struct usb_ep *(*match_ep)(struct usb_gadget *, struct usb_endpoint_descriptor *, struct usb_ss_ep_comp_descriptor *); @@ -339,6 +341,10 @@ struct usb_gadget_ops { * @speed: Speed of current connection to USB host. * @max_speed: Maximal speed the UDC can handle. UDC must support this * and all slower speeds. + * @ssp_rate: Current connected SuperSpeed Plus signaling rate and lane count. + * @max_ssp_rate: Maximum SuperSpeed Plus signaling rate and lane count the UDC + * can handle. The UDC must support this and all slower speeds and lower + * number of lanes. * @state: the state we are now (attached, suspended, configured, etc) * @name: Identifies the controller hardware type. Used in diagnostics * and sometimes configuration. @@ -406,6 +412,11 @@ struct usb_gadget { struct list_head ep_list; /* of usb_ep */ enum usb_device_speed speed; enum usb_device_speed max_speed; + + /* USB SuperSpeed Plus only */ + enum usb_ssp_rate ssp_rate; + enum usb_ssp_rate max_ssp_rate; + enum usb_device_state state; const char *name; struct device dev; diff --git a/include/linux/usb/pd.h b/include/linux/usb/pd.h index bb9a782e1411..70d681918d01 100644 --- a/include/linux/usb/pd.h +++ b/include/linux/usb/pd.h @@ -225,6 +225,7 @@ enum pd_pdo_type { #define PDO_FIXED_EXTPOWER BIT(27) /* Externally powered */ #define PDO_FIXED_USB_COMM BIT(26) /* USB communications capable */ #define PDO_FIXED_DATA_SWAP BIT(25) /* Data role swap supported */ +#define PDO_FIXED_UNCHUNK_EXT BIT(24) /* Unchunked Extended Message supported (Source) */ #define PDO_FIXED_FRS_CURR_MASK (BIT(24) | BIT(23)) /* FR_Swap Current (Sink) */ #define PDO_FIXED_FRS_CURR_SHIFT 23 #define PDO_FIXED_VOLT_SHIFT 10 /* 50mV units */ @@ -479,6 +480,8 @@ static inline unsigned int rdo_max_power(u32 rdo) #define PD_T_NEWSRC 250 /* Maximum of 275ms */ #define PD_T_SWAP_SRC_START 20 /* Minimum of 20ms */ #define PD_T_BIST_CONT_MODE 50 /* 30 - 60 ms */ +#define PD_T_SINK_TX 16 /* 16 - 20 ms */ +#define PD_T_CHUNK_NOT_SUPP 42 /* 40 - 50 ms */ #define PD_T_DRP_TRY 100 /* 75 - 150 ms */ #define PD_T_DRP_TRYWAIT 600 /* 400 - 800 ms */ diff --git a/include/linux/usb/pd_vdo.h b/include/linux/usb/pd_vdo.h index 8c08eeb9a74b..b057250704e8 100644 --- a/include/linux/usb/pd_vdo.h +++ b/include/linux/usb/pd_vdo.h @@ -21,22 +21,24 @@ * ---------- * <31:16> :: SVID * <15> :: VDM type ( 1b == structured, 0b == unstructured ) - * <14:13> :: Structured VDM version (can only be 00 == 1.0 currently) + * <14:13> :: Structured VDM version * <12:11> :: reserved * <10:8> :: object position (1-7 valid ... used for enter/exit mode only) * <7:6> :: command type (SVDM only?) * <5> :: reserved (SVDM), command type (UVDM) * <4:0> :: command */ -#define VDO(vid, type, custom) \ +#define VDO(vid, type, ver, custom) \ (((vid) << 16) | \ ((type) << 15) | \ + ((ver) << 13) | \ ((custom) & 0x7FFF)) #define VDO_SVDM_TYPE (1 << 15) #define VDO_SVDM_VERS(x) ((x) << 13) #define VDO_OPOS(x) ((x) << 8) #define VDO_CMDT(x) ((x) << 6) +#define VDO_SVDM_VERS_MASK VDO_SVDM_VERS(0x3) #define VDO_OPOS_MASK VDO_OPOS(0x7) #define VDO_CMDT_MASK VDO_CMDT(0x3) @@ -74,6 +76,7 @@ #define PD_VDO_VID(vdo) ((vdo) >> 16) #define PD_VDO_SVDM(vdo) (((vdo) >> 15) & 1) +#define PD_VDO_SVDM_VER(vdo) (((vdo) >> 13) & 0x3) #define PD_VDO_OPOS(vdo) (((vdo) >> 8) & 0x7) #define PD_VDO_CMD(vdo) ((vdo) & 0x1f) #define PD_VDO_CMDT(vdo) (((vdo) >> 6) & 0x3) @@ -103,34 +106,50 @@ * -------------------- * <31> :: data capable as a USB host * <30> :: data capable as a USB device - * <29:27> :: product type (UFP / Cable) + * <29:27> :: product type (UFP / Cable / VPD) * <26> :: modal operation supported (1b == yes) - * <25:16> :: product type (DFP) + * <25:23> :: product type (DFP) (SVDM version 2.0+ only; set to zero in version 1.0) + * <22:21> :: connector type (SVDM version 2.0+ only; set to zero in version 1.0) + * <20:16> :: Reserved, Shall be set to zero * <15:0> :: USB-IF assigned VID for this cable vendor */ + +/* PD Rev2.0 definition */ #define IDH_PTYPE_UNDEF 0 + +/* SOP Product Type (UFP) */ +#define IDH_PTYPE_NOT_UFP 0 #define IDH_PTYPE_HUB 1 #define IDH_PTYPE_PERIPH 2 #define IDH_PTYPE_PSD 3 #define IDH_PTYPE_AMA 5 +/* SOP' Product Type (Cable Plug / VPD) */ +#define IDH_PTYPE_NOT_CABLE 0 #define IDH_PTYPE_PCABLE 3 #define IDH_PTYPE_ACABLE 4 +#define IDH_PTYPE_VPD 6 -#define IDH_PTYPE_DFP_UNDEF 0 +/* SOP Product Type (DFP) */ +#define IDH_PTYPE_NOT_DFP 0 #define IDH_PTYPE_DFP_HUB 1 #define IDH_PTYPE_DFP_HOST 2 #define IDH_PTYPE_DFP_PB 3 -#define IDH_PTYPE_DFP_AMC 4 -#define VDO_IDH(usbh, usbd, ptype, is_modal, vid) \ - ((usbh) << 31 | (usbd) << 30 | ((ptype) & 0x7) << 27 \ - | (is_modal) << 26 | ((vid) & 0xffff)) +/* ID Header Mask */ +#define IDH_DFP_MASK GENMASK(25, 23) +#define IDH_CONN_MASK GENMASK(22, 21) + +#define VDO_IDH(usbh, usbd, ufp_cable, is_modal, dfp, conn, vid) \ + ((usbh) << 31 | (usbd) << 30 | ((ufp_cable) & 0x7) << 27 \ + | (is_modal) << 26 | ((dfp) & 0x7) << 23 | ((conn) & 0x3) << 21 \ + | ((vid) & 0xffff)) #define PD_IDH_PTYPE(vdo) (((vdo) >> 27) & 0x7) #define PD_IDH_VID(vdo) ((vdo) & 0xffff) #define PD_IDH_MODAL_SUPP(vdo) ((vdo) & (1 << 26)) #define PD_IDH_DFP_PTYPE(vdo) (((vdo) >> 23) & 0x7) +#define PD_IDH_CONN_TYPE(vdo) (((vdo) >> 21) & 0x3) /* * Cert Stat VDO @@ -138,6 +157,7 @@ * <31:0> : USB-IF assigned XID for this cable */ #define PD_CSTAT_XID(vdo) (vdo) +#define VDO_CERT(xid) ((xid) & 0xffffffff) /* * Product VDO @@ -149,79 +169,271 @@ #define PD_PRODUCT_PID(vdo) (((vdo) >> 16) & 0xffff) /* - * UFP VDO1 + * UFP VDO (PD Revision 3.0+ only) * -------- * <31:29> :: UFP VDO version * <28> :: Reserved * <27:24> :: Device capability - * <23:6> :: Reserved + * <23:22> :: Connector type (10b == receptacle, 11b == captive plug) + * <21:11> :: Reserved + * <10:8> :: Vconn power (AMA only) + * <7> :: Vconn required (AMA only, 0b == no, 1b == yes) + * <6> :: Vbus required (AMA only, 0b == yes, 1b == no) * <5:3> :: Alternate modes * <2:0> :: USB highest speed */ -#define PD_VDO1_UFP_DEVCAP(vdo) (((vdo) & GENMASK(27, 24)) >> 24) +#define PD_VDO_UFP_DEVCAP(vdo) (((vdo) & GENMASK(27, 24)) >> 24) + +/* UFP VDO Version */ +#define UFP_VDO_VER1_2 2 +/* Device Capability */ #define DEV_USB2_CAPABLE BIT(0) #define DEV_USB2_BILLBOARD BIT(1) #define DEV_USB3_CAPABLE BIT(2) #define DEV_USB4_CAPABLE BIT(3) +/* Connector Type */ +#define UFP_RECEPTACLE 2 +#define UFP_CAPTIVE 3 + +/* Vconn Power (AMA only, set to AMA_VCONN_NOT_REQ if Vconn is not required) */ +#define AMA_VCONN_PWR_1W 0 +#define AMA_VCONN_PWR_1W5 1 +#define AMA_VCONN_PWR_2W 2 +#define AMA_VCONN_PWR_3W 3 +#define AMA_VCONN_PWR_4W 4 +#define AMA_VCONN_PWR_5W 5 +#define AMA_VCONN_PWR_6W 6 + +/* Vconn Required (AMA only) */ +#define AMA_VCONN_NOT_REQ 0 +#define AMA_VCONN_REQ 1 + +/* Vbus Required (AMA only) */ +#define AMA_VBUS_REQ 0 +#define AMA_VBUS_NOT_REQ 1 + +/* Alternate Modes */ +#define UFP_ALTMODE_NOT_SUPP 0 +#define UFP_ALTMODE_TBT3 BIT(0) +#define UFP_ALTMODE_RECFG BIT(1) +#define UFP_ALTMODE_NO_RECFG BIT(2) + +/* USB Highest Speed */ +#define UFP_USB2_ONLY 0 +#define UFP_USB32_GEN1 1 +#define UFP_USB32_4_GEN2 2 +#define UFP_USB4_GEN3 3 + +#define VDO_UFP(ver, cap, conn, vcpwr, vcr, vbr, alt, spd) \ + (((ver) & 0x7) << 29 | ((cap) & 0xf) << 24 | ((conn) & 0x3) << 22 \ + | ((vcpwr) & 0x7) << 8 | (vcr) << 7 | (vbr) << 6 | ((alt) & 0x7) << 3 \ + | ((spd) & 0x7)) + /* - * DFP VDO + * DFP VDO (PD Revision 3.0+ only) * -------- * <31:29> :: DFP VDO version * <28:27> :: Reserved * <26:24> :: Host capability - * <23:5> :: Reserved + * <23:22> :: Connector type (10b == receptacle, 11b == captive plug) + * <21:5> :: Reserved * <4:0> :: Port number */ #define PD_VDO_DFP_HOSTCAP(vdo) (((vdo) & GENMASK(26, 24)) >> 24) +#define DFP_VDO_VER1_1 1 #define HOST_USB2_CAPABLE BIT(0) #define HOST_USB3_CAPABLE BIT(1) #define HOST_USB4_CAPABLE BIT(2) +#define DFP_RECEPTACLE 2 +#define DFP_CAPTIVE 3 + +#define VDO_DFP(ver, cap, conn, pnum) \ + (((ver) & 0x7) << 29 | ((cap) & 0x7) << 24 | ((conn) & 0x3) << 22 \ + | ((pnum) & 0x1f)) /* - * Cable VDO + * Cable VDO (for both Passive and Active Cable VDO in PD Rev2.0) * --------- * <31:28> :: Cable HW version * <27:24> :: Cable FW version * <23:20> :: Reserved, Shall be set to zero * <19:18> :: type-C to Type-A/B/C/Captive (00b == A, 01 == B, 10 == C, 11 == Captive) - * <17> :: Type-C to Plug/Receptacle (0b == plug, 1b == receptacle) + * <17> :: Reserved, Shall be set to zero * <16:13> :: cable latency (0001 == <10ns(~1m length)) * <12:11> :: cable termination type (11b == both ends active VCONN req) * <10> :: SSTX1 Directionality support (0b == fixed, 1b == cfgable) * <9> :: SSTX2 Directionality support * <8> :: SSRX1 Directionality support * <7> :: SSRX2 Directionality support - * <6:5> :: Vbus current handling capability + * <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A) * <4> :: Vbus through cable (0b == no, 1b == yes) * <3> :: SOP" controller present? (0b == no, 1b == yes) * <2:0> :: USB SS Signaling support + * + * Passive Cable VDO (PD Rev3.0+) + * --------- + * <31:28> :: Cable HW version + * <27:24> :: Cable FW version + * <23:21> :: VDO version + * <20> :: Reserved, Shall be set to zero + * <19:18> :: Type-C to Type-C/Captive (10b == C, 11b == Captive) + * <17> :: Reserved, Shall be set to zero + * <16:13> :: cable latency (0001 == <10ns(~1m length)) + * <12:11> :: cable termination type (10b == Vconn not req, 01b == Vconn req) + * <10:9> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V) + * <8:7> :: Reserved, Shall be set to zero + * <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A) + * <4:3> :: Reserved, Shall be set to zero + * <2:0> :: USB highest speed + * + * Active Cable VDO 1 (PD Rev3.0+) + * --------- + * <31:28> :: Cable HW version + * <27:24> :: Cable FW version + * <23:21> :: VDO version + * <20> :: Reserved, Shall be set to zero + * <19:18> :: Connector type (10b == C, 11b == Captive) + * <17> :: Reserved, Shall be set to zero + * <16:13> :: cable latency (0001 == <10ns(~1m length)) + * <12:11> :: cable termination type (10b == one end active, 11b == both ends active VCONN req) + * <10:9> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V) + * <8> :: SBU supported (0b == supported, 1b == not supported) + * <7> :: SBU type (0b == passive, 1b == active) + * <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A) + * <4> :: Vbus through cable (0b == no, 1b == yes) + * <3> :: SOP" controller present? (0b == no, 1b == yes) + * <2:0> :: USB highest speed */ +/* Cable VDO Version */ +#define CABLE_VDO_VER1_0 0 +#define CABLE_VDO_VER1_3 3 + +/* Connector Type (_ATYPE and _BTYPE are for PD Rev2.0 only) */ #define CABLE_ATYPE 0 #define CABLE_BTYPE 1 #define CABLE_CTYPE 2 #define CABLE_CAPTIVE 3 -#define CABLE_PLUG 0 -#define CABLE_RECEPTACLE 1 -#define CABLE_CURR_1A5 0 + +/* Cable Latency */ +#define CABLE_LATENCY_1M 1 +#define CABLE_LATENCY_2M 2 +#define CABLE_LATENCY_3M 3 +#define CABLE_LATENCY_4M 4 +#define CABLE_LATENCY_5M 5 +#define CABLE_LATENCY_6M 6 +#define CABLE_LATENCY_7M 7 +#define CABLE_LATENCY_7M_PLUS 8 + +/* Cable Termination Type */ +#define PCABLE_VCONN_NOT_REQ 0 +#define PCABLE_VCONN_REQ 1 +#define ACABLE_ONE_END 2 +#define ACABLE_BOTH_END 3 + +/* Maximum Vbus Voltage */ +#define CABLE_MAX_VBUS_20V 0 +#define CABLE_MAX_VBUS_30V 1 +#define CABLE_MAX_VBUS_40V 2 +#define CABLE_MAX_VBUS_50V 3 + +/* Active Cable SBU Supported/Type */ +#define ACABLE_SBU_SUPP 0 +#define ACABLE_SBU_NOT_SUPP 1 +#define ACABLE_SBU_PASSIVE 0 +#define ACABLE_SBU_ACTIVE 1 + +/* Vbus Current Handling Capability */ +#define CABLE_CURR_DEF 0 #define CABLE_CURR_3A 1 #define CABLE_CURR_5A 2 + +/* USB SuperSpeed Signaling Support (PD Rev2.0) */ #define CABLE_USBSS_U2_ONLY 0 #define CABLE_USBSS_U31_GEN1 1 #define CABLE_USBSS_U31_GEN2 2 -#define VDO_CABLE(hw, fw, cbl, gdr, lat, term, tx1d, tx2d, rx1d, rx2d, cur,\ - vps, sopp, usbss) \ - (((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18 \ - | (gdr) << 17 | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 \ - | (tx1d) << 10 | (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7 \ - | ((cur) & 0x3) << 5 | (vps) << 4 | (sopp) << 3 \ - | ((usbss) & 0x7)) + +/* USB Highest Speed */ +#define CABLE_USB2_ONLY 0 +#define CABLE_USB32_GEN1 1 +#define CABLE_USB32_4_GEN2 2 +#define CABLE_USB4_GEN3 3 + +#define VDO_CABLE(hw, fw, cbl, lat, term, tx1d, tx2d, rx1d, rx2d, cur, vps, sopp, usbss) \ + (((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18 \ + | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 | (tx1d) << 10 \ + | (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7 | ((cur) & 0x3) << 5 \ + | (vps) << 4 | (sopp) << 3 | ((usbss) & 0x7)) +#define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd) \ + (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \ + | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \ + | ((vbm) & 0x3) << 9 | ((cur) & 0x3) << 5 | ((spd) & 0x7)) +#define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \ + (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \ + | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \ + | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5 \ + | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7)) + #define VDO_TYPEC_CABLE_TYPE(vdo) (((vdo) >> 18) & 0x3) /* - * AMA VDO + * Active Cable VDO 2 + * --------- + * <31:24> :: Maximum operating temperature + * <23:16> :: Shutdown temperature + * <15> :: Reserved, Shall be set to zero + * <14:12> :: U3/CLd power + * <11> :: U3 to U0 transition mode (0b == direct, 1b == through U3S) + * <10> :: Physical connection (0b == copper, 1b == optical) + * <9> :: Active element (0b == redriver, 1b == retimer) + * <8> :: USB4 supported (0b == yes, 1b == no) + * <7:6> :: USB2 hub hops consumed + * <5> :: USB2 supported (0b == yes, 1b == no) + * <4> :: USB3.2 supported (0b == yes, 1b == no) + * <3> :: USB lanes supported (0b == one lane, 1b == two lanes) + * <2> :: Optically isolated active cable (0b == no, 1b == yes) + * <1> :: Reserved, Shall be set to zero + * <0> :: USB gen (0b == gen1, 1b == gen2+) + */ +/* U3/CLd Power*/ +#define ACAB2_U3_CLD_10MW_PLUS 0 +#define ACAB2_U3_CLD_10MW 1 +#define ACAB2_U3_CLD_5MW 2 +#define ACAB2_U3_CLD_1MW 3 +#define ACAB2_U3_CLD_500UW 4 +#define ACAB2_U3_CLD_200UW 5 +#define ACAB2_U3_CLD_50UW 6 + +/* Other Active Cable VDO 2 Fields */ +#define ACAB2_U3U0_DIRECT 0 +#define ACAB2_U3U0_U3S 1 +#define ACAB2_PHY_COPPER 0 +#define ACAB2_PHY_OPTICAL 1 +#define ACAB2_REDRIVER 0 +#define ACAB2_RETIMER 1 +#define ACAB2_USB4_SUPP 0 +#define ACAB2_USB4_NOT_SUPP 1 +#define ACAB2_USB2_SUPP 0 +#define ACAB2_USB2_NOT_SUPP 1 +#define ACAB2_USB32_SUPP 0 +#define ACAB2_USB32_NOT_SUPP 1 +#define ACAB2_LANES_ONE 0 +#define ACAB2_LANES_TWO 1 +#define ACAB2_OPT_ISO_NO 0 +#define ACAB2_OPT_ISO_YES 1 +#define ACAB2_GEN_1 0 +#define ACAB2_GEN_2_PLUS 1 + +#define VDO_ACABLE2(mtemp, stemp, u3p, trans, phy, ele, u4, hops, u2, u32, lane, iso, gen) \ + (((mtemp) & 0xff) << 24 | ((stemp) & 0xff) << 16 | ((u3p) & 0x7) << 12 \ + | (trans) << 11 | (phy) << 10 | (ele) << 9 | (u4) << 8 \ + | ((hops) & 0x3) << 6 | (u2) << 5 | (u32) << 4 | (lane) << 3 \ + | (iso) << 2 | (gen)) + +/* + * AMA VDO (PD Rev2.0) * --------- * <31:28> :: Cable HW version * <27:24> :: Cable FW version @@ -244,19 +456,41 @@ #define PD_VDO_AMA_VCONN_REQ(vdo) (((vdo) >> 4) & 1) #define PD_VDO_AMA_VBUS_REQ(vdo) (((vdo) >> 3) & 1) -#define AMA_VCONN_PWR_1W 0 -#define AMA_VCONN_PWR_1W5 1 -#define AMA_VCONN_PWR_2W 2 -#define AMA_VCONN_PWR_3W 3 -#define AMA_VCONN_PWR_4W 4 -#define AMA_VCONN_PWR_5W 5 -#define AMA_VCONN_PWR_6W 6 #define AMA_USBSS_U2_ONLY 0 #define AMA_USBSS_U31_GEN1 1 #define AMA_USBSS_U31_GEN2 2 #define AMA_USBSS_BBONLY 3 /* + * VPD VDO + * --------- + * <31:28> :: HW version + * <27:24> :: FW version + * <23:21> :: VDO version + * <20:17> :: Reserved, Shall be set to zero + * <16:15> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V) + * <14> :: Charge through current support (0b == 3A, 1b == 5A) + * <13> :: Reserved, Shall be set to zero + * <12:7> :: Vbus impedance + * <6:1> :: Ground impedance + * <0> :: Charge through support (0b == no, 1b == yes) + */ +#define VPD_VDO_VER1_0 0 +#define VPD_MAX_VBUS_20V 0 +#define VPD_MAX_VBUS_30V 1 +#define VPD_MAX_VBUS_40V 2 +#define VPD_MAX_VBUS_50V 3 +#define VPDCT_CURR_3A 0 +#define VPDCT_CURR_5A 1 +#define VPDCT_NOT_SUPP 0 +#define VPDCT_SUPP 1 + +#define VDO_VPD(hw, fw, ver, vbm, curr, vbi, gi, ct) \ + (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \ + | ((vbm) & 0x3) << 15 | (curr) << 14 | ((vbi) & 0x3f) << 7 \ + | ((gi) & 0x3f) << 1 | (ct)) + +/* * SVDM Discover SVIDs request -> response * * Request is properly formatted VDM Header with discover SVIDs command. diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 1c09b922f8b0..952272002e48 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -260,7 +260,7 @@ struct usb_serial_driver { void (*release)(struct usb_serial *serial); int (*port_probe)(struct usb_serial_port *port); - int (*port_remove)(struct usb_serial_port *port); + void (*port_remove)(struct usb_serial_port *port); int (*suspend)(struct usb_serial *serial, pm_message_t message); int (*resume)(struct usb_serial *serial); diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h index f4a18427f5c4..42fcfbe10590 100644 --- a/include/linux/usb/tcpm.h +++ b/include/linux/usb/tcpm.h @@ -19,6 +19,10 @@ enum typec_cc_status { TYPEC_CC_RP_3_0, }; +/* Collision Avoidance */ +#define SINK_TX_NG TYPEC_CC_RP_1_5 +#define SINK_TX_OK TYPEC_CC_RP_3_0 + enum typec_cc_polarity { TYPEC_POLARITY_CC1, TYPEC_POLARITY_CC2, @@ -104,6 +108,10 @@ enum tcpm_transmit_type { * is supported by TCPC, set this callback for TCPM to query * whether vbus is at VSAFE0V when needed. * Returns true when vbus is at VSAFE0V, false otherwise. + * @set_partner_usb_comm_capable: + * Optional; The USB Communications Capable bit indicates if port + * partner is capable of communication over the USB data lines + * (e.g. D+/- or SS Tx/Rx). Called to notify the status of the bit. */ struct tcpc_dev { struct fwnode_handle *fwnode; @@ -135,6 +143,7 @@ struct tcpc_dev { int (*set_auto_vbus_discharge_threshold)(struct tcpc_dev *dev, enum typec_pwr_opmode mode, bool pps_active, u32 requested_vbus_voltage); bool (*is_vbus_vsafe0v)(struct tcpc_dev *dev); + void (*set_partner_usb_comm_capable)(struct tcpc_dev *dev, bool enable); }; struct tcpm_port; diff --git a/include/linux/usb/tegra_usb_phy.h b/include/linux/usb/tegra_usb_phy.h index c29d1b4c9381..fd1c9f6a4e37 100644 --- a/include/linux/usb/tegra_usb_phy.h +++ b/include/linux/usb/tegra_usb_phy.h @@ -79,6 +79,8 @@ struct tegra_usb_phy { bool is_ulpi_phy; struct gpio_desc *reset_gpio; struct reset_control *pad_rst; + bool wakeup_enabled; + bool pad_wakeup; bool powered_on; }; diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h index 54475323f83b..91b4303ca305 100644 --- a/include/linux/usb/typec.h +++ b/include/linux/usb/typec.h @@ -126,6 +126,7 @@ struct typec_altmode_desc { enum typec_port_data roles; }; +void typec_partner_set_pd_revision(struct typec_partner *partner, u16 pd_revision); int typec_partner_set_num_altmodes(struct typec_partner *partner, int num_altmodes); struct typec_altmode *typec_partner_register_altmode(struct typec_partner *partner, @@ -164,6 +165,7 @@ struct typec_plug_desc { * @type: The plug type from USB PD Cable VDO * @active: Is the cable active or passive * @identity: Result of Discover Identity command + * @pd_revision: USB Power Delivery Specification revision if supported * * Represents USB Type-C Cable attached to USB Type-C port. */ @@ -171,6 +173,8 @@ struct typec_cable_desc { enum typec_plug_type type; unsigned int active:1; struct usb_pd_identity *identity; + u16 pd_revision; /* 0300H = "3.0" */ + }; /* @@ -178,15 +182,22 @@ struct typec_cable_desc { * @usb_pd: USB Power Delivery support * @accessory: Audio, Debug or none. * @identity: Discover Identity command data + * @pd_revision: USB Power Delivery Specification Revision if supported * * Details about a partner that is attached to USB Type-C port. If @identity * member exists when partner is registered, a directory named "identity" is * created to sysfs for the partner device. + * + * @pd_revision is based on the setting of the "Specification Revision" field + * in the message header on the initial "Source Capabilities" message received + * from the partner, or a "Request" message received from the partner, depending + * on whether our port is a Sink or a Source. */ struct typec_partner_desc { unsigned int usb_pd:1; enum typec_accessory accessory; struct usb_pd_identity *identity; + u16 pd_revision; /* 0300H = "3.0" */ }; /** @@ -206,12 +217,19 @@ struct typec_operations { enum typec_port_type type); }; +enum usb_pd_svdm_ver { + SVDM_VER_1_0 = 0, + SVDM_VER_2_0 = 1, + SVDM_VER_MAX = SVDM_VER_2_0, +}; + /* * struct typec_capability - USB Type-C Port Capabilities * @type: Supported power role of the port * @data: Supported data role of the port * @revision: USB Type-C Specification release. Binary coded decimal * @pd_revision: USB Power Delivery Specification revision if supported + * @svdm_version: USB PD Structured VDM version if supported * @prefer_role: Initial role preference (DRP ports). * @accessory: Supported Accessory Modes * @fwnode: Optional fwnode of the port @@ -225,6 +243,7 @@ struct typec_capability { enum typec_port_data data; u16 revision; /* 0120H = "1.2" */ u16 pd_revision; /* 0300H = "3.0" */ + enum usb_pd_svdm_ver svdm_version; int prefer_role; enum typec_accessory accessory[TYPEC_MAX_ACCESSORY]; unsigned int orientation_aware:1; @@ -275,4 +294,8 @@ int typec_find_orientation(const char *name); int typec_find_port_power_role(const char *name); int typec_find_power_role(const char *name); int typec_find_port_data_role(const char *name); + +void typec_partner_set_svdm_version(struct typec_partner *partner, + enum usb_pd_svdm_ver svdm_version); +int typec_get_negotiated_svdm_version(struct typec_port *port); #endif /* __LINUX_USB_TYPEC_H */ diff --git a/include/linux/usb/typec_altmode.h b/include/linux/usb/typec_altmode.h index 5e0a7b7647c3..65933cbe9129 100644 --- a/include/linux/usb/typec_altmode.h +++ b/include/linux/usb/typec_altmode.h @@ -133,6 +133,16 @@ typec_altmode_get_orientation(struct typec_altmode *altmode) } /** + * typec_altmode_get_svdm_version - Get negotiated SVDM version + * @altmode: Handle to the alternate mode + */ +static inline int +typec_altmode_get_svdm_version(struct typec_altmode *altmode) +{ + return typec_get_negotiated_svdm_version(typec_altmode2port(altmode)); +} + +/** * struct typec_altmode_driver - USB Type-C alternate mode device driver * @id_table: Null terminated array of SVIDs * @probe: Callback for device binding diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h index 6b03fdd69d27..712363c7a2e8 100644 --- a/include/linux/usb_usual.h +++ b/include/linux/usb_usual.h @@ -86,6 +86,8 @@ /* lies about caching, so always sync */ \ US_FLAG(NO_SAME, 0x40000000) \ /* Cannot handle WRITE_SAME */ \ + US_FLAG(SENSE_AFTER_SYNC, 0x80000000) \ + /* Do REQUEST_SENSE after SYNCHRONIZE_CACHE */ \ #define US_FLAG(name, value) US_FL_##name = value , enum { US_DO_ALL_FLAGS }; diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index 0fefeb976877..15fa085fab05 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -35,6 +35,8 @@ struct vdpa_vq_state { u16 avail_index; }; +struct vdpa_mgmt_dev; + /** * vDPA device - representation of a vDPA device * @dev: underlying device @@ -43,6 +45,8 @@ struct vdpa_vq_state { * @index: device index * @features_valid: were features initialized? for legacy guests * @nvqs: maximum number of supported virtqueues + * @mdev: management device pointer; caller must setup when registering device as part + * of dev_add() mgmtdev ops callback before invoking _vdpa_register_device(). */ struct vdpa_device { struct device dev; @@ -51,6 +55,7 @@ struct vdpa_device { unsigned int index; bool features_valid; int nvqs; + struct vdpa_mgmt_dev *mdev; }; /** @@ -245,20 +250,22 @@ struct vdpa_config_ops { struct vdpa_device *__vdpa_alloc_device(struct device *parent, const struct vdpa_config_ops *config, - int nvqs, - size_t size); + size_t size, const char *name); -#define vdpa_alloc_device(dev_struct, member, parent, config, nvqs) \ +#define vdpa_alloc_device(dev_struct, member, parent, config, name) \ container_of(__vdpa_alloc_device( \ - parent, config, nvqs, \ + parent, config, \ sizeof(dev_struct) + \ BUILD_BUG_ON_ZERO(offsetof( \ - dev_struct, member))), \ + dev_struct, member)), name), \ dev_struct, member) -int vdpa_register_device(struct vdpa_device *vdev); +int vdpa_register_device(struct vdpa_device *vdev, int nvqs); void vdpa_unregister_device(struct vdpa_device *vdev); +int _vdpa_register_device(struct vdpa_device *vdev, int nvqs); +void _vdpa_unregister_device(struct vdpa_device *vdev); + /** * vdpa_driver - operations for a vDPA driver * @driver: underlying device driver @@ -336,4 +343,33 @@ static inline void vdpa_get_config(struct vdpa_device *vdev, unsigned offset, ops->get_config(vdev, offset, buf, len); } +/** + * vdpa_mgmtdev_ops - vdpa device ops + * @dev_add: Add a vdpa device using alloc and register + * @mdev: parent device to use for device addition + * @name: name of the new vdpa device + * Driver need to add a new device using _vdpa_register_device() + * after fully initializing the vdpa device. Driver must return 0 + * on success or appropriate error code. + * @dev_del: Remove a vdpa device using unregister + * @mdev: parent device to use for device removal + * @dev: vdpa device to remove + * Driver need to remove the specified device by calling + * _vdpa_unregister_device(). + */ +struct vdpa_mgmtdev_ops { + int (*dev_add)(struct vdpa_mgmt_dev *mdev, const char *name); + void (*dev_del)(struct vdpa_mgmt_dev *mdev, struct vdpa_device *dev); +}; + +struct vdpa_mgmt_dev { + struct device *device; + const struct vdpa_mgmtdev_ops *ops; + const struct virtio_device_id *id_table; /* supported ids */ + struct list_head list; +}; + +int vdpa_mgmtdev_register(struct vdpa_mgmt_dev *mdev); +void vdpa_mgmtdev_unregister(struct vdpa_mgmt_dev *mdev); + #endif /* _LINUX_VDPA_H */ diff --git a/include/linux/verification.h b/include/linux/verification.h index 911ab7c2b1ab..a655923335ae 100644 --- a/include/linux/verification.h +++ b/include/linux/verification.h @@ -8,6 +8,8 @@ #ifndef _LINUX_VERIFICATION_H #define _LINUX_VERIFICATION_H +#include <linux/types.h> + /* * Indicate that both builtin trusted keys and secondary trusted keys * should be used. diff --git a/include/linux/vfio.h b/include/linux/vfio.h index f45940b38a02..b7e18bde5aa8 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h @@ -57,6 +57,11 @@ extern struct vfio_device *vfio_device_get_from_dev(struct device *dev); extern void vfio_device_put(struct vfio_device *device); extern void *vfio_device_data(struct vfio_device *device); +/* events for the backend driver notify callback */ +enum vfio_iommu_notify_type { + VFIO_IOMMU_CONTAINER_CLOSE = 0, +}; + /** * struct vfio_iommu_driver_ops - VFIO IOMMU driver callbacks */ @@ -92,6 +97,8 @@ struct vfio_iommu_driver_ops { void *data, size_t count, bool write); struct iommu_domain *(*group_iommu_domain)(void *iommu_data, struct iommu_group *group); + void (*notify)(void *iommu_data, + enum vfio_iommu_notify_type event); }; extern int vfio_register_iommu_driver(const struct vfio_iommu_driver_ops *ops); diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h index 977caf96c8d2..fc6dfeba04a5 100644 --- a/include/linux/vgaarb.h +++ b/include/linux/vgaarb.h @@ -121,9 +121,9 @@ extern struct pci_dev *vga_default_device(void); extern void vga_set_default_device(struct pci_dev *pdev); extern int vga_remove_vgacon(struct pci_dev *pdev); #else -static inline struct pci_dev *vga_default_device(void) { return NULL; }; -static inline void vga_set_default_device(struct pci_dev *pdev) { }; -static inline int vga_remove_vgacon(struct pci_dev *pdev) { return 0; }; +static inline struct pci_dev *vga_default_device(void) { return NULL; } +static inline void vga_set_default_device(struct pci_dev *pdev) { } +static inline int vga_remove_vgacon(struct pci_dev *pdev) { return 0; } #endif /* diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 55ea329fe72a..b1894e0323fa 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -132,8 +132,6 @@ bool is_virtio_device(struct device *dev); void virtio_break_device(struct virtio_device *dev); void virtio_config_changed(struct virtio_device *dev); -void virtio_config_disable(struct virtio_device *dev); -void virtio_config_enable(struct virtio_device *dev); int virtio_finalize_features(struct virtio_device *dev); #ifdef CONFIG_PM_SLEEP int virtio_device_freeze(struct virtio_device *dev); diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h index e8a924eeea3d..6b5fcfa1e555 100644 --- a/include/linux/virtio_net.h +++ b/include/linux/virtio_net.h @@ -79,8 +79,13 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb, if (gso_type && skb->network_header) { struct flow_keys_basic keys; - if (!skb->protocol) + if (!skb->protocol) { + __be16 protocol = dev_parse_header_protocol(skb); + virtio_net_hdr_set_proto(skb, hdr); + if (protocol && protocol != skb->protocol) + return -EINVAL; + } retry: if (!skb_flow_dissect_flow_keys_basic(NULL, skb, &keys, NULL, 0, 0, 0, diff --git a/include/linux/virtio_pci_modern.h b/include/linux/virtio_pci_modern.h new file mode 100644 index 000000000000..f26acbeec965 --- /dev/null +++ b/include/linux/virtio_pci_modern.h @@ -0,0 +1,111 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_VIRTIO_PCI_MODERN_H +#define _LINUX_VIRTIO_PCI_MODERN_H + +#include <linux/pci.h> +#include <linux/virtio_pci.h> + +struct virtio_pci_modern_device { + struct pci_dev *pci_dev; + + struct virtio_pci_common_cfg __iomem *common; + /* Device-specific data (non-legacy mode) */ + void __iomem *device; + /* Base of vq notifications (non-legacy mode). */ + void __iomem *notify_base; + /* Where to read and clear interrupt */ + u8 __iomem *isr; + + /* So we can sanity-check accesses. */ + size_t notify_len; + size_t device_len; + + /* Capability for when we need to map notifications per-vq. */ + int notify_map_cap; + + /* Multiply queue_notify_off by this value. (non-legacy mode). */ + u32 notify_offset_multiplier; + + int modern_bars; + + struct virtio_device_id id; +}; + +/* + * Type-safe wrappers for io accesses. + * Use these to enforce at compile time the following spec requirement: + * + * The driver MUST access each field using the “natural” access + * method, i.e. 32-bit accesses for 32-bit fields, 16-bit accesses + * for 16-bit fields and 8-bit accesses for 8-bit fields. + */ +static inline u8 vp_ioread8(const u8 __iomem *addr) +{ + return ioread8(addr); +} +static inline u16 vp_ioread16 (const __le16 __iomem *addr) +{ + return ioread16(addr); +} + +static inline u32 vp_ioread32(const __le32 __iomem *addr) +{ + return ioread32(addr); +} + +static inline void vp_iowrite8(u8 value, u8 __iomem *addr) +{ + iowrite8(value, addr); +} + +static inline void vp_iowrite16(u16 value, __le16 __iomem *addr) +{ + iowrite16(value, addr); +} + +static inline void vp_iowrite32(u32 value, __le32 __iomem *addr) +{ + iowrite32(value, addr); +} + +static inline void vp_iowrite64_twopart(u64 val, + __le32 __iomem *lo, + __le32 __iomem *hi) +{ + vp_iowrite32((u32)val, lo); + vp_iowrite32(val >> 32, hi); +} + +u64 vp_modern_get_features(struct virtio_pci_modern_device *mdev); +void vp_modern_set_features(struct virtio_pci_modern_device *mdev, + u64 features); +u32 vp_modern_generation(struct virtio_pci_modern_device *mdev); +u8 vp_modern_get_status(struct virtio_pci_modern_device *mdev); +void vp_modern_set_status(struct virtio_pci_modern_device *mdev, + u8 status); +u16 vp_modern_queue_vector(struct virtio_pci_modern_device *mdev, + u16 idx, u16 vector); +u16 vp_modern_config_vector(struct virtio_pci_modern_device *mdev, + u16 vector); +void vp_modern_queue_address(struct virtio_pci_modern_device *mdev, + u16 index, u64 desc_addr, u64 driver_addr, + u64 device_addr); +void vp_modern_set_queue_enable(struct virtio_pci_modern_device *mdev, + u16 idx, bool enable); +bool vp_modern_get_queue_enable(struct virtio_pci_modern_device *mdev, + u16 idx); +void vp_modern_set_queue_size(struct virtio_pci_modern_device *mdev, + u16 idx, u16 size); +u16 vp_modern_get_queue_size(struct virtio_pci_modern_device *mdev, + u16 idx); +u16 vp_modern_get_num_queues(struct virtio_pci_modern_device *mdev); +u16 vp_modern_get_queue_notify_off(struct virtio_pci_modern_device *mdev, + u16 idx); +void __iomem *vp_modern_map_capability(struct virtio_pci_modern_device *mdev, int off, + size_t minlen, + u32 align, + u32 start, u32 size, + size_t *len); +int vp_modern_probe(struct virtio_pci_modern_device *mdev); +void vp_modern_remove(struct virtio_pci_modern_device *mdev); +#endif diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index cedcda6593f6..df92211cf771 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -241,4 +241,10 @@ pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms) int register_vmap_purge_notifier(struct notifier_block *nb); int unregister_vmap_purge_notifier(struct notifier_block *nb); +#ifdef CONFIG_MMU +bool vmalloc_dump_obj(void *object); +#else +static inline bool vmalloc_dump_obj(void *object) { return false; } +#endif + #endif /* _LINUX_VMALLOC_H */ diff --git a/include/linux/vme.h b/include/linux/vme.h index 7e82bf500f01..b204a9b4be1b 100644 --- a/include/linux/vme.h +++ b/include/linux/vme.h @@ -122,7 +122,7 @@ struct vme_driver { const char *name; int (*match)(struct vme_dev *); int (*probe)(struct vme_dev *); - int (*remove)(struct vme_dev *); + void (*remove)(struct vme_dev *); struct device_driver driver; struct list_head devices; }; diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 773135fc6e19..506d625163a1 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -313,6 +313,12 @@ static inline void __mod_node_page_state(struct pglist_data *pgdat, enum node_stat_item item, int delta) { if (vmstat_item_in_bytes(item)) { + /* + * Only cgroups use subpage accounting right now; at + * the global level, these items still change in + * multiples of whole pages. Store them as pages + * internally to keep the per-cpu counters compact. + */ VM_WARN_ON_ONCE(delta & (PAGE_SIZE - 1)); delta >>= PAGE_SHIFT; } diff --git a/include/linux/vmw_vmci_defs.h b/include/linux/vmw_vmci_defs.h index be0afe6f379b..e36cb114c188 100644 --- a/include/linux/vmw_vmci_defs.h +++ b/include/linux/vmw_vmci_defs.h @@ -66,7 +66,7 @@ enum { * consists of at least two pages, the memory limit also dictates the * number of queue pairs a guest can create. */ -#define VMCI_MAX_GUEST_QP_MEMORY (128 * 1024 * 1024) +#define VMCI_MAX_GUEST_QP_MEMORY ((size_t)(128 * 1024 * 1024)) #define VMCI_MAX_GUEST_QP_COUNT (VMCI_MAX_GUEST_QP_MEMORY / PAGE_SIZE / 2) /* @@ -80,7 +80,7 @@ enum { * too much kernel memory (especially on vmkernel). We limit a queuepair to * 32 KB, or 16 KB per queue for symmetrical pairs. */ -#define VMCI_MAX_PINNED_QP_MEMORY (32 * 1024) +#define VMCI_MAX_PINNED_QP_MEMORY ((size_t)(32 * 1024)) /* * We have a fixed set of resource IDs available in the VMX. diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h index 349e39c3ab60..94e7a315479c 100644 --- a/include/linux/vt_kern.h +++ b/include/linux/vt_kern.h @@ -16,18 +16,6 @@ #include <linux/consolemap.h> #include <linux/notifier.h> -/* - * Presently, a lot of graphics programs do not restore the contents of - * the higher font pages. Defining this flag will avoid use of them, but - * will lose support for PIO_FONTRESET. Note that many font operations are - * not likely to work with these programs anyway; they need to be - * fixed. The linux/Documentation directory includes a code snippet - * to save and restore the text font. - */ -#ifdef CONFIG_VGA_CONSOLE -#define BROKEN_GRAPHICS_PROGRAMS 1 -#endif - void kd_mksound(unsigned int hz, unsigned int ticks); int kbd_rate(struct kbd_repeat *rep); diff --git a/include/linux/w1.h b/include/linux/w1.h index 949d3b10e531..9a2a0ef39018 100644 --- a/include/linux/w1.h +++ b/include/linux/w1.h @@ -280,7 +280,7 @@ int w1_register_family(struct w1_family *family); void w1_unregister_family(struct w1_family *family); /** - * module_w1_driver() - Helper macro for registering a 1-Wire families + * module_w1_family() - Helper macro for registering a 1-Wire families * @__w1_family: w1_family struct * * Helper macro for 1-Wire families which do not do anything special in module diff --git a/include/linux/wm97xx.h b/include/linux/wm97xx.h index 58e082dadc68..462854f4f286 100644 --- a/include/linux/wm97xx.h +++ b/include/linux/wm97xx.h @@ -294,7 +294,6 @@ struct wm97xx { struct wm97xx_batt_pdata { int batt_aux; int temp_aux; - int charge_gpio; int min_voltage; int max_voltage; int batt_div; diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index 26de0cae2a0a..d15a7730ee18 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -311,7 +311,7 @@ enum { WQ_MEM_RECLAIM = 1 << 3, /* may be used for memory reclaim */ WQ_HIGHPRI = 1 << 4, /* high priority */ WQ_CPU_INTENSIVE = 1 << 5, /* cpu intensive workqueue */ - WQ_SYSFS = 1 << 6, /* visible in sysfs, see wq_sysfs_register() */ + WQ_SYSFS = 1 << 6, /* visible in sysfs, see workqueue_sysfs_register() */ /* * Per-cpu workqueues are generally preferred because they tend to diff --git a/include/linux/ww_mutex.h b/include/linux/ww_mutex.h index 850424e5d030..6ecf2a0220db 100644 --- a/include/linux/ww_mutex.h +++ b/include/linux/ww_mutex.h @@ -173,9 +173,10 @@ static inline void ww_acquire_done(struct ww_acquire_ctx *ctx) */ static inline void ww_acquire_fini(struct ww_acquire_ctx *ctx) { -#ifdef CONFIG_DEBUG_MUTEXES +#ifdef CONFIG_DEBUG_LOCK_ALLOC mutex_release(&ctx->dep_map, _THIS_IP_); - +#endif +#ifdef CONFIG_DEBUG_MUTEXES DEBUG_LOCKS_WARN_ON(ctx->acquired); if (!IS_ENABLED(CONFIG_PROVE_LOCKING)) /* diff --git a/include/linux/xattr.h b/include/linux/xattr.h index 10b4dc2709f0..4c379d23ec6e 100644 --- a/include/linux/xattr.h +++ b/include/linux/xattr.h @@ -16,6 +16,7 @@ #include <linux/types.h> #include <linux/spinlock.h> #include <linux/mm.h> +#include <linux/user_namespace.h> #include <uapi/linux/xattr.h> struct inode; @@ -34,7 +35,8 @@ struct xattr_handler { int (*get)(const struct xattr_handler *, struct dentry *dentry, struct inode *inode, const char *name, void *buffer, size_t size); - int (*set)(const struct xattr_handler *, struct dentry *dentry, + int (*set)(const struct xattr_handler *, + struct user_namespace *mnt_userns, struct dentry *dentry, struct inode *inode, const char *name, const void *buffer, size_t size, int flags); }; @@ -48,18 +50,26 @@ struct xattr { }; ssize_t __vfs_getxattr(struct dentry *, struct inode *, const char *, void *, size_t); -ssize_t vfs_getxattr(struct dentry *, const char *, void *, size_t); +ssize_t vfs_getxattr(struct user_namespace *, struct dentry *, const char *, + void *, size_t); ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size); -int __vfs_setxattr(struct dentry *, struct inode *, const char *, const void *, size_t, int); -int __vfs_setxattr_noperm(struct dentry *, const char *, const void *, size_t, int); -int __vfs_setxattr_locked(struct dentry *, const char *, const void *, size_t, int, struct inode **); -int vfs_setxattr(struct dentry *, const char *, const void *, size_t, int); -int __vfs_removexattr(struct dentry *, const char *); -int __vfs_removexattr_locked(struct dentry *, const char *, struct inode **); -int vfs_removexattr(struct dentry *, const char *); +int __vfs_setxattr(struct user_namespace *, struct dentry *, struct inode *, + const char *, const void *, size_t, int); +int __vfs_setxattr_noperm(struct user_namespace *, struct dentry *, + const char *, const void *, size_t, int); +int __vfs_setxattr_locked(struct user_namespace *, struct dentry *, + const char *, const void *, size_t, int, + struct inode **); +int vfs_setxattr(struct user_namespace *, struct dentry *, const char *, + const void *, size_t, int); +int __vfs_removexattr(struct user_namespace *, struct dentry *, const char *); +int __vfs_removexattr_locked(struct user_namespace *, struct dentry *, + const char *, struct inode **); +int vfs_removexattr(struct user_namespace *, struct dentry *, const char *); ssize_t generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size); -ssize_t vfs_getxattr_alloc(struct dentry *dentry, const char *name, +ssize_t vfs_getxattr_alloc(struct user_namespace *mnt_userns, + struct dentry *dentry, const char *name, char **xattr_value, size_t size, gfp_t flags); int xattr_supported_namespace(struct inode *inode, const char *prefix); diff --git a/include/linux/z2_battery.h b/include/linux/z2_battery.h index eaba53ff387c..9e8be7a7cd25 100644 --- a/include/linux/z2_battery.h +++ b/include/linux/z2_battery.h @@ -6,7 +6,6 @@ struct z2_battery_info { int batt_I2C_bus; int batt_I2C_addr; int batt_I2C_reg; - int charge_gpio; int min_voltage; int max_voltage; int batt_div; diff --git a/include/linux/zpool.h b/include/linux/zpool.h index 51bf43076165..e8997010612a 100644 --- a/include/linux/zpool.h +++ b/include/linux/zpool.h @@ -73,6 +73,7 @@ u64 zpool_get_total_size(struct zpool *pool); * @malloc: allocate mem from a pool. * @free: free mem from a pool. * @shrink: shrink the pool. + * @sleep_mapped: whether zpool driver can sleep during map. * @map: map a handle. * @unmap: unmap a handle. * @total_size: get total size of a pool. @@ -100,6 +101,7 @@ struct zpool_driver { int (*shrink)(void *pool, unsigned int pages, unsigned int *reclaimed); + bool sleep_mapped; void *(*map)(void *pool, unsigned long handle, enum zpool_mapmode mm); void (*unmap)(void *pool, unsigned long handle); @@ -112,5 +114,6 @@ void zpool_register_driver(struct zpool_driver *driver); int zpool_unregister_driver(struct zpool_driver *driver); bool zpool_evictable(struct zpool *pool); +bool zpool_can_sleep_mapped(struct zpool *pool); #endif diff --git a/include/linux/zsmalloc.h b/include/linux/zsmalloc.h index 4807ca4d52e0..2a430e713ce5 100644 --- a/include/linux/zsmalloc.h +++ b/include/linux/zsmalloc.h @@ -35,7 +35,7 @@ enum zs_mapmode { struct zs_pool_stats { /* How many pages were migrated (freed) */ - unsigned long pages_compacted; + atomic_long_t pages_compacted; }; struct zs_pool; diff --git a/include/linux/zstd.h b/include/linux/zstd.h index 249575e2485f..e87f78c9b19c 100644 --- a/include/linux/zstd.h +++ b/include/linux/zstd.h @@ -791,11 +791,11 @@ size_t ZSTD_DStreamOutSize(void); /* for static allocation */ #define ZSTD_FRAMEHEADERSIZE_MAX 18 #define ZSTD_FRAMEHEADERSIZE_MIN 6 -static const size_t ZSTD_frameHeaderSize_prefix = 5; -static const size_t ZSTD_frameHeaderSize_min = ZSTD_FRAMEHEADERSIZE_MIN; -static const size_t ZSTD_frameHeaderSize_max = ZSTD_FRAMEHEADERSIZE_MAX; +#define ZSTD_frameHeaderSize_prefix 5 +#define ZSTD_frameHeaderSize_min ZSTD_FRAMEHEADERSIZE_MIN +#define ZSTD_frameHeaderSize_max ZSTD_FRAMEHEADERSIZE_MAX /* magic number + skippable frame length */ -static const size_t ZSTD_skippableHeaderSize = 8; +#define ZSTD_skippableHeaderSize 8 /*-************************************* |