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Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas.h')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas.h110
1 files changed, 89 insertions, 21 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index af291947a54d..6c87bd34509a 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -14,6 +14,7 @@
#include <linux/acpi.h>
#include <linux/clk.h>
+#include <linux/debugfs.h>
#include <linux/dmapool.h>
#include <linux/iopoll.h>
#include <linux/lcm.h>
@@ -29,7 +30,7 @@
#define HISI_SAS_MAX_PHYS 9
#define HISI_SAS_MAX_QUEUES 32
-#define HISI_SAS_QUEUE_SLOTS 512
+#define HISI_SAS_QUEUE_SLOTS 4096
#define HISI_SAS_MAX_ITCT_ENTRIES 1024
#define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES
#define HISI_SAS_RESET_BIT 0
@@ -40,20 +41,25 @@
#define HISI_SAS_COMMAND_TABLE_SZ (sizeof(union hisi_sas_command_table))
#define hisi_sas_status_buf_addr(buf) \
- (buf + offsetof(struct hisi_sas_slot_buf_table, status_buffer))
-#define hisi_sas_status_buf_addr_mem(slot) hisi_sas_status_buf_addr(slot->buf)
+ ((buf) + offsetof(struct hisi_sas_slot_buf_table, status_buffer))
+#define hisi_sas_status_buf_addr_mem(slot) hisi_sas_status_buf_addr((slot)->buf)
#define hisi_sas_status_buf_addr_dma(slot) \
- hisi_sas_status_buf_addr(slot->buf_dma)
+ hisi_sas_status_buf_addr((slot)->buf_dma)
#define hisi_sas_cmd_hdr_addr(buf) \
- (buf + offsetof(struct hisi_sas_slot_buf_table, command_header))
-#define hisi_sas_cmd_hdr_addr_mem(slot) hisi_sas_cmd_hdr_addr(slot->buf)
-#define hisi_sas_cmd_hdr_addr_dma(slot) hisi_sas_cmd_hdr_addr(slot->buf_dma)
+ ((buf) + offsetof(struct hisi_sas_slot_buf_table, command_header))
+#define hisi_sas_cmd_hdr_addr_mem(slot) hisi_sas_cmd_hdr_addr((slot)->buf)
+#define hisi_sas_cmd_hdr_addr_dma(slot) hisi_sas_cmd_hdr_addr((slot)->buf_dma)
#define hisi_sas_sge_addr(buf) \
- (buf + offsetof(struct hisi_sas_slot_buf_table, sge_page))
-#define hisi_sas_sge_addr_mem(slot) hisi_sas_sge_addr(slot->buf)
-#define hisi_sas_sge_addr_dma(slot) hisi_sas_sge_addr(slot->buf_dma)
+ ((buf) + offsetof(struct hisi_sas_slot_buf_table, sge_page))
+#define hisi_sas_sge_addr_mem(slot) hisi_sas_sge_addr((slot)->buf)
+#define hisi_sas_sge_addr_dma(slot) hisi_sas_sge_addr((slot)->buf_dma)
+
+#define hisi_sas_sge_dif_addr(buf) \
+ ((buf) + offsetof(struct hisi_sas_slot_dif_buf_table, sge_dif_page))
+#define hisi_sas_sge_dif_addr_mem(slot) hisi_sas_sge_dif_addr((slot)->buf)
+#define hisi_sas_sge_dif_addr_dma(slot) hisi_sas_sge_dif_addr((slot)->buf_dma)
#define HISI_SAS_MAX_SSP_RESP_SZ (sizeof(struct ssp_frame_hdr) + 1024)
#define HISI_SAS_MAX_SMP_RESP_SZ 1028
@@ -73,7 +79,13 @@
SHOST_DIF_TYPE2_PROTECTION | \
SHOST_DIF_TYPE3_PROTECTION)
-#define HISI_SAS_PROT_MASK (HISI_SAS_DIF_PROT_MASK)
+#define HISI_SAS_DIX_PROT_MASK (SHOST_DIX_TYPE1_PROTECTION | \
+ SHOST_DIX_TYPE2_PROTECTION | \
+ SHOST_DIX_TYPE3_PROTECTION)
+
+#define HISI_SAS_PROT_MASK (HISI_SAS_DIF_PROT_MASK | HISI_SAS_DIX_PROT_MASK)
+
+#define HISI_SAS_WAIT_PHYUP_TIMEOUT 20
struct hisi_hba;
@@ -82,11 +94,6 @@ enum {
PORT_TYPE_SATA = (1U << 0),
};
-enum dev_status {
- HISI_SAS_DEV_NORMAL,
- HISI_SAS_DEV_EH,
-};
-
enum {
HISI_SAS_INT_ABT_CMD = 0,
HISI_SAS_INT_ABT_DEV = 1,
@@ -145,6 +152,7 @@ struct hisi_sas_phy {
struct asd_sas_phy sas_phy;
struct sas_identify identify;
struct completion *reset_completion;
+ struct timer_list timer;
spinlock_t lock;
u64 port_id; /* from hw */
u64 frame_rcvd_size;
@@ -165,6 +173,7 @@ struct hisi_sas_port {
struct hisi_sas_cq {
struct hisi_hba *hisi_hba;
+ const struct cpumask *pci_irq_mask;
struct tasklet_struct tasklet;
int rd_point;
int id;
@@ -187,7 +196,7 @@ struct hisi_sas_device {
enum sas_device_type dev_type;
int device_id;
int sata_idx;
- u8 dev_status;
+ spinlock_t lock; /* For protecting slots */
};
struct hisi_sas_tmf_task {
@@ -203,12 +212,14 @@ struct hisi_sas_slot {
struct sas_task *task;
struct hisi_sas_port *port;
u64 n_elem;
+ u64 n_elem_dif;
int dlvry_queue;
int dlvry_queue_slot;
int cmplt_queue;
int cmplt_queue_slot;
int abort;
int ready;
+ int device_id;
void *cmd_hdr;
dma_addr_t cmd_hdr_dma;
struct timer_list internal_abort_timer;
@@ -220,6 +231,24 @@ struct hisi_sas_slot {
u16 idx;
};
+#define HISI_SAS_DEBUGFS_REG(x) {#x, x}
+
+struct hisi_sas_debugfs_reg_lu {
+ char *name;
+ int off;
+};
+
+struct hisi_sas_debugfs_reg {
+ const struct hisi_sas_debugfs_reg_lu *lu;
+ int count;
+ int base_off;
+ union {
+ u32 (*read_global_reg)(struct hisi_hba *hisi_hba, u32 off);
+ u32 (*read_port_reg)(struct hisi_hba *hisi_hba, int port,
+ u32 off);
+ };
+};
+
struct hisi_sas_hw {
int (*hw_init)(struct hisi_hba *hisi_hba);
void (*setup_itct)(struct hisi_hba *hisi_hba,
@@ -227,7 +256,7 @@ struct hisi_sas_hw {
int (*slot_index_alloc)(struct hisi_hba *hisi_hba,
struct domain_device *device);
struct hisi_sas_device *(*alloc_dev)(struct domain_device *device);
- void (*sl_notify)(struct hisi_hba *hisi_hba, int phy_no);
+ void (*sl_notify_ssp)(struct hisi_hba *hisi_hba, int phy_no);
int (*get_free_slot)(struct hisi_hba *hisi_hba, struct hisi_sas_dq *dq);
void (*start_delivery)(struct hisi_sas_dq *dq);
void (*prep_ssp)(struct hisi_hba *hisi_hba,
@@ -259,11 +288,16 @@ struct hisi_sas_hw {
u32 (*get_phys_state)(struct hisi_hba *hisi_hba);
int (*write_gpio)(struct hisi_hba *hisi_hba, u8 reg_type,
u8 reg_index, u8 reg_count, u8 *write_data);
- void (*wait_cmds_complete_timeout)(struct hisi_hba *hisi_hba,
- int delay_ms, int timeout_ms);
+ int (*wait_cmds_complete_timeout)(struct hisi_hba *hisi_hba,
+ int delay_ms, int timeout_ms);
+ void (*snapshot_prepare)(struct hisi_hba *hisi_hba);
+ void (*snapshot_restore)(struct hisi_hba *hisi_hba);
int max_command_entries;
int complete_hdr_size;
struct scsi_host_template *sht;
+
+ const struct hisi_sas_debugfs_reg *debugfs_reg_global;
+ const struct hisi_sas_debugfs_reg *debugfs_reg_port;
};
struct hisi_hba {
@@ -329,9 +363,25 @@ struct hisi_hba {
const struct hisi_sas_hw *hw; /* Low level hw interface */
unsigned long sata_dev_bitmap[BITS_TO_LONGS(HISI_SAS_MAX_DEVICES)];
struct work_struct rst_work;
+ struct work_struct debugfs_work;
u32 phy_state;
u32 intr_coal_ticks; /* Time of interrupt coalesce in us */
u32 intr_coal_count; /* Interrupt count to coalesce */
+
+ int cq_nvecs;
+ unsigned int *reply_map;
+
+ /* debugfs memories */
+ u32 *debugfs_global_reg;
+ u32 *debugfs_port_reg[HISI_SAS_MAX_PHYS];
+ void *debugfs_complete_hdr[HISI_SAS_MAX_QUEUES];
+ struct hisi_sas_cmd_hdr *debugfs_cmd_hdr[HISI_SAS_MAX_QUEUES];
+ struct hisi_sas_iost *debugfs_iost;
+ struct hisi_sas_itct *debugfs_itct;
+
+ struct dentry *debugfs_dir;
+ struct dentry *debugfs_dump_dentry;
+ bool debugfs_snapshot;
};
/* Generic HW DMA host memory structures */
@@ -430,6 +480,11 @@ struct hisi_sas_sge_page {
struct hisi_sas_sge sge[HISI_SAS_SGE_PAGE_CNT];
} __aligned(16);
+#define HISI_SAS_SGE_DIF_PAGE_CNT SG_CHUNK_SIZE
+struct hisi_sas_sge_dif_page {
+ struct hisi_sas_sge sge[HISI_SAS_SGE_DIF_PAGE_CNT];
+} __aligned(16);
+
struct hisi_sas_command_table_ssp {
struct ssp_frame_hdr hdr;
union {
@@ -460,9 +515,18 @@ struct hisi_sas_slot_buf_table {
struct hisi_sas_sge_page sge_page;
};
+struct hisi_sas_slot_dif_buf_table {
+ struct hisi_sas_slot_buf_table slot_buf;
+ struct hisi_sas_sge_dif_page sge_dif_page;
+};
+
extern struct scsi_transport_template *hisi_sas_stt;
+
+extern bool hisi_sas_debugfs_enable;
+extern struct dentry *hisi_sas_debugfs_dir;
+
extern void hisi_sas_stop_phys(struct hisi_hba *hisi_hba);
-extern int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost);
+extern int hisi_sas_alloc(struct hisi_hba *hisi_hba);
extern void hisi_sas_free(struct hisi_hba *hisi_hba);
extern u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis,
int direction);
@@ -487,10 +551,14 @@ extern void hisi_sas_init_mem(struct hisi_hba *hisi_hba);
extern void hisi_sas_rst_work_handler(struct work_struct *work);
extern void hisi_sas_sync_rst_work_handler(struct work_struct *work);
extern void hisi_sas_kill_tasklets(struct hisi_hba *hisi_hba);
+extern void hisi_sas_phy_oob_ready(struct hisi_hba *hisi_hba, int phy_no);
extern bool hisi_sas_notify_phy_event(struct hisi_sas_phy *phy,
enum hisi_sas_phy_event event);
extern void hisi_sas_release_tasks(struct hisi_hba *hisi_hba);
extern u8 hisi_sas_get_prog_phy_linkrate_mask(enum sas_linkrate max);
extern void hisi_sas_controller_reset_prepare(struct hisi_hba *hisi_hba);
extern void hisi_sas_controller_reset_done(struct hisi_hba *hisi_hba);
+extern void hisi_sas_debugfs_init(struct hisi_hba *hisi_hba);
+extern void hisi_sas_debugfs_exit(struct hisi_hba *hisi_hba);
+extern void hisi_sas_debugfs_work_handler(struct work_struct *work);
#endif
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.