diff options
Diffstat (limited to 'arch/powerpc/include')
45 files changed, 304 insertions, 240 deletions
diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild index 31e8f59aff38..382b28e364dc 100644 --- a/arch/powerpc/include/asm/Kbuild +++ b/arch/powerpc/include/asm/Kbuild @@ -1,6 +1,5 @@ generic-y += clkdev.h -generic-y += hash.h generic-y += irq_work.h generic-y += mcs_spinlock.h generic-y += preempt.h diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h index bab79a110c7b..a3bf5be111ff 100644 --- a/arch/powerpc/include/asm/barrier.h +++ b/arch/powerpc/include/asm/barrier.h @@ -33,12 +33,9 @@ #define mb() __asm__ __volatile__ ("sync" : : : "memory") #define rmb() __asm__ __volatile__ ("sync" : : : "memory") #define wmb() __asm__ __volatile__ ("sync" : : : "memory") -#define read_barrier_depends() do { } while(0) #define set_mb(var, value) do { var = value; mb(); } while (0) -#ifdef CONFIG_SMP - #ifdef __SUBARCH_HAS_LWSYNC # define SMPWMB LWSYNC #else @@ -46,20 +43,26 @@ #endif #define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory") +#define dma_rmb() __lwsync() +#define dma_wmb() __asm__ __volatile__ (stringify_in_c(SMPWMB) : : :"memory") + +#ifdef CONFIG_SMP +#define smp_lwsync() __lwsync() #define smp_mb() mb() #define smp_rmb() __lwsync() #define smp_wmb() __asm__ __volatile__ (stringify_in_c(SMPWMB) : : :"memory") -#define smp_read_barrier_depends() read_barrier_depends() #else -#define __lwsync() barrier() +#define smp_lwsync() barrier() #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() -#define smp_read_barrier_depends() do { } while(0) #endif /* CONFIG_SMP */ +#define read_barrier_depends() do { } while (0) +#define smp_read_barrier_depends() do { } while (0) + /* * This is a barrier which prevents following instructions from being * started until the value of the argument x is known. For example, if @@ -72,7 +75,7 @@ #define smp_store_release(p, v) \ do { \ compiletime_assert_atomic_type(*p); \ - __lwsync(); \ + smp_lwsync(); \ ACCESS_ONCE(*p) = (v); \ } while (0) @@ -80,7 +83,7 @@ do { \ ({ \ typeof(*p) ___p1 = ACCESS_ONCE(*p); \ compiletime_assert_atomic_type(*p); \ - __lwsync(); \ + smp_lwsync(); \ ___p1; \ }) diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index bd3bd573d0ae..59abc620f8e8 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -14,9 +14,9 @@ * * The bitop functions are defined to work on unsigned longs, so for a * ppc64 system the bits end up numbered: - * |63..............0|127............64|191...........128|255...........196| + * |63..............0|127............64|191...........128|255...........192| * and on ppc32: - * |31.....0|63....31|95....64|127...96|159..128|191..160|223..192|255..224| + * |31.....0|63....32|95....64|127...96|159..128|191..160|223..192|255..224| * * There are a few little-endian macros used mostly for filesystem * bitmaps, these work on similar bit arrays layouts, but @@ -213,7 +213,7 @@ static __inline__ unsigned long ffz(unsigned long x) return __ilog2(x & -x); } -static __inline__ int __ffs(unsigned long x) +static __inline__ unsigned long __ffs(unsigned long x) { return __ilog2(x & -x); } diff --git a/arch/powerpc/include/asm/cpuidle.h b/arch/powerpc/include/asm/cpuidle.h new file mode 100644 index 000000000000..d2f99ca1e3a6 --- /dev/null +++ b/arch/powerpc/include/asm/cpuidle.h @@ -0,0 +1,20 @@ +#ifndef _ASM_POWERPC_CPUIDLE_H +#define _ASM_POWERPC_CPUIDLE_H + +#ifdef CONFIG_PPC_POWERNV +/* Used in powernv idle state management */ +#define PNV_THREAD_RUNNING 0 +#define PNV_THREAD_NAP 1 +#define PNV_THREAD_SLEEP 2 +#define PNV_THREAD_WINKLE 3 +#define PNV_CORE_IDLE_LOCK_BIT 0x100 +#define PNV_CORE_IDLE_THREAD_BITS 0x0FF + +#ifndef __ASSEMBLY__ +extern u32 pnv_fastsleep_workaround_at_entry[]; +extern u32 pnv_fastsleep_workaround_at_exit[]; +#endif + +#endif + +#endif diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index daa5af91163c..22d5a7da9e68 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -448,13 +448,9 @@ extern const char *powerpc_base_platform; CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_DABRX) #define CPU_FTRS_COMPATIBLE (CPU_FTR_USE_TB | CPU_FTR_PPCAS_ARCH_V2) -#define CPU_FTRS_A2 (CPU_FTR_USE_TB | CPU_FTR_SMT | CPU_FTR_DBELL | \ - CPU_FTR_NOEXECUTE | CPU_FTR_NODSISRALIGN | \ - CPU_FTR_ICSWX | CPU_FTR_DABRX ) - #ifdef __powerpc64__ #ifdef CONFIG_PPC_BOOK3E -#define CPU_FTRS_POSSIBLE (CPU_FTRS_E6500 | CPU_FTRS_E5500 | CPU_FTRS_A2) +#define CPU_FTRS_POSSIBLE (CPU_FTRS_E6500 | CPU_FTRS_E5500) #else #define CPU_FTRS_POSSIBLE \ (CPU_FTRS_POWER4 | CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \ @@ -505,13 +501,13 @@ enum { #ifdef __powerpc64__ #ifdef CONFIG_PPC_BOOK3E -#define CPU_FTRS_ALWAYS (CPU_FTRS_E6500 & CPU_FTRS_E5500 & CPU_FTRS_A2) +#define CPU_FTRS_ALWAYS (CPU_FTRS_E6500 & CPU_FTRS_E5500) #else #define CPU_FTRS_ALWAYS \ (CPU_FTRS_POWER4 & CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \ CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \ CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \ - CPU_FTRS_POWER8_DD1 & CPU_FTRS_POSSIBLE) + CPU_FTRS_POWER8_DD1 & ~CPU_FTR_HVMODE & CPU_FTRS_POSSIBLE) #endif #else enum { diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index ca07f9c27335..0652ebe117af 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -39,6 +39,7 @@ struct device_node; #define EEH_PROBE_MODE_DEV 0x04 /* From PCI device */ #define EEH_PROBE_MODE_DEVTREE 0x08 /* From device tree */ #define EEH_ENABLE_IO_FOR_LOG 0x10 /* Enable IO for log */ +#define EEH_EARLY_DUMP_LOG 0x20 /* Dump log immediately */ /* * Delay for PE reset, all in ms @@ -72,6 +73,7 @@ struct device_node; #define EEH_PE_ISOLATED (1 << 0) /* Isolated PE */ #define EEH_PE_RECOVERING (1 << 1) /* Recovering PE */ #define EEH_PE_CFG_BLOCKED (1 << 2) /* Block config access */ +#define EEH_PE_RESET (1 << 3) /* PE reset in progress */ #define EEH_PE_KEEP (1 << 8) /* Keep PE on hotplug */ #define EEH_PE_CFG_RESTRICTED (1 << 9) /* Block config on error */ diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h index 888d8f3f2524..57d289acb803 100644 --- a/arch/powerpc/include/asm/elf.h +++ b/arch/powerpc/include/asm/elf.h @@ -28,8 +28,7 @@ the loader. We need to make sure that it is out of the way of the program that it will "exec", and that there is sufficient room for the brk. */ -extern unsigned long randomize_et_dyn(unsigned long base); -#define ELF_ET_DYN_BASE (randomize_et_dyn(0x20000000)) +#define ELF_ET_DYN_BASE 0x20000000 #define ELF_CORE_EFLAGS (is_elf2_task() ? 2 : 0) diff --git a/arch/powerpc/include/asm/fsl_guts.h b/arch/powerpc/include/asm/fsl_guts.h index 77ced0b3d81d..43b6bb1a4a9c 100644 --- a/arch/powerpc/include/asm/fsl_guts.h +++ b/arch/powerpc/include/asm/fsl_guts.h @@ -68,7 +68,10 @@ struct ccsr_guts { u8 res0b4[0xc0 - 0xb4]; __be32 iovselsr; /* 0x.00c0 - I/O voltage select status register Called 'elbcvselcr' on 86xx SOCs */ - u8 res0c4[0x224 - 0xc4]; + u8 res0c4[0x100 - 0xc4]; + __be32 rcwsr[16]; /* 0x.0100 - Reset Control Word Status registers + There are 16 registers */ + u8 res140[0x224 - 0x140]; __be32 iodelay1; /* 0x.0224 - IO delay control register 1 */ __be32 iodelay2; /* 0x.0228 - IO delay control register 2 */ u8 res22c[0x604 - 0x22c]; diff --git a/arch/powerpc/include/asm/hardirq.h b/arch/powerpc/include/asm/hardirq.h index 1bbb3013d6aa..8add8b861e8d 100644 --- a/arch/powerpc/include/asm/hardirq.h +++ b/arch/powerpc/include/asm/hardirq.h @@ -21,7 +21,12 @@ DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); #define __ARCH_IRQ_STAT -#define local_softirq_pending() __get_cpu_var(irq_stat).__softirq_pending +#define local_softirq_pending() __this_cpu_read(irq_stat.__softirq_pending) + +#define __ARCH_SET_SOFTIRQ_PENDING + +#define set_softirq_pending(x) __this_cpu_write(irq_stat.__softirq_pending, (x)) +#define or_softirq_pending(x) __this_cpu_or(irq_stat.__softirq_pending, (x)) static inline void ack_bad_irq(unsigned int irq) { diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index 766b77d527ac..1d53a65b4ec1 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -48,7 +48,7 @@ static inline unsigned int hugepd_shift(hugepd_t hpd) #endif /* CONFIG_PPC_BOOK3S_64 */ -static inline pte_t *hugepte_offset(hugepd_t *hpdp, unsigned long addr, +static inline pte_t *hugepte_offset(hugepd_t hpd, unsigned long addr, unsigned pdshift) { /* @@ -58,9 +58,9 @@ static inline pte_t *hugepte_offset(hugepd_t *hpdp, unsigned long addr, */ unsigned long idx = 0; - pte_t *dir = hugepd_page(*hpdp); + pte_t *dir = hugepd_page(hpd); #ifndef CONFIG_PPC_FSL_BOOK3E - idx = (addr & ((1UL << pdshift) - 1)) >> hugepd_shift(*hpdp); + idx = (addr & ((1UL << pdshift) - 1)) >> hugepd_shift(hpd); #endif return dir + idx; @@ -193,7 +193,7 @@ static inline void flush_hugetlb_page(struct vm_area_struct *vma, } #define hugepd_shift(x) 0 -static inline pte_t *hugepte_offset(hugepd_t *hpdp, unsigned long addr, +static inline pte_t *hugepte_offset(hugepd_t hpd, unsigned long addr, unsigned pdshift) { return 0; diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index 97d3869991ca..a8d2ef30d473 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -617,10 +617,14 @@ static inline void name at \ /* * We don't do relaxed operations yet, at least not with this semantic */ -#define readb_relaxed(addr) readb(addr) -#define readw_relaxed(addr) readw(addr) -#define readl_relaxed(addr) readl(addr) -#define readq_relaxed(addr) readq(addr) +#define readb_relaxed(addr) readb(addr) +#define readw_relaxed(addr) readw(addr) +#define readl_relaxed(addr) readl(addr) +#define readq_relaxed(addr) readq(addr) +#define writeb_relaxed(v, addr) writeb(v, addr) +#define writew_relaxed(v, addr) writew(v, addr) +#define writel_relaxed(v, addr) writel(v, addr) +#define writeq_relaxed(v, addr) writeq(v, addr) #ifdef CONFIG_PPC32 #define mmiowb() @@ -851,9 +855,6 @@ static inline void * bus_to_virt(unsigned long address) #define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set) -void __iomem *devm_ioremap_prot(struct device *dev, resource_size_t offset, - size_t size, unsigned long flags); - #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_IO_H */ diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h index 42632c7a2a4e..9cfa3706a1b8 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -137,13 +137,16 @@ static inline void set_iommu_table_base_and_group(struct device *dev, iommu_add_device(dev); } -extern int iommu_map_sg(struct device *dev, struct iommu_table *tbl, - struct scatterlist *sglist, int nelems, - unsigned long mask, enum dma_data_direction direction, - struct dma_attrs *attrs); -extern void iommu_unmap_sg(struct iommu_table *tbl, struct scatterlist *sglist, - int nelems, enum dma_data_direction direction, - struct dma_attrs *attrs); +extern int ppc_iommu_map_sg(struct device *dev, struct iommu_table *tbl, + struct scatterlist *sglist, int nelems, + unsigned long mask, + enum dma_data_direction direction, + struct dma_attrs *attrs); +extern void ppc_iommu_unmap_sg(struct iommu_table *tbl, + struct scatterlist *sglist, + int nelems, + enum dma_data_direction direction, + struct dma_attrs *attrs); extern void *iommu_alloc_coherent(struct device *dev, struct iommu_table *tbl, size_t size, dma_addr_t *dma_handle, diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h index 19c36cba37c4..a46f5f45570c 100644 --- a/arch/powerpc/include/asm/kexec.h +++ b/arch/powerpc/include/asm/kexec.h @@ -86,6 +86,11 @@ extern int overlaps_crashkernel(unsigned long start, unsigned long size); extern void reserve_crashkernel(void); extern void machine_kexec_mask_interrupts(void); +static inline bool kdump_in_progress(void) +{ + return crashing_cpu >= 0; +} + #else /* !CONFIG_KEXEC */ static inline void crash_kexec_secondary(struct pt_regs *regs) { } @@ -106,6 +111,11 @@ static inline int crash_shutdown_unregister(crash_shutdown_t handler) return 0; } +static inline bool kdump_in_progress(void) +{ + return false; +} + #endif /* CONFIG_KEXEC */ #endif /* ! __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index 6acf0c2a0f99..942c7b1678e3 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -170,8 +170,6 @@ extern void *kvmppc_pin_guest_page(struct kvm *kvm, unsigned long addr, unsigned long *nb_ret); extern void kvmppc_unpin_guest_page(struct kvm *kvm, void *addr, unsigned long gpa, bool dirty); -extern long kvmppc_virtmode_h_enter(struct kvm_vcpu *vcpu, unsigned long flags, - long pte_index, unsigned long pteh, unsigned long ptel); extern long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags, long pte_index, unsigned long pteh, unsigned long ptel, pgd_t *pgdir, bool realmode, unsigned long *idx_ret); diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h index 0aa817933e6a..2d81e202bdcc 100644 --- a/arch/powerpc/include/asm/kvm_book3s_64.h +++ b/arch/powerpc/include/asm/kvm_book3s_64.h @@ -37,7 +37,6 @@ static inline void svcpu_put(struct kvmppc_book3s_shadow_vcpu *svcpu) #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE #define KVM_DEFAULT_HPT_ORDER 24 /* 16MB HPT by default */ -extern unsigned long kvm_rma_pages; #endif #define VRMA_VSID 0x1ffffffUL /* 1TB VSID reserved for VRMA */ @@ -148,7 +147,7 @@ static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r, /* This covers 14..54 bits of va*/ rb = (v & ~0x7fUL) << 16; /* AVA field */ - rb |= v >> (62 - 8); /* B field */ + rb |= (v >> HPTE_V_SSIZE_SHIFT) << 8; /* B field */ /* * AVA in v had cleared lower 23 bits. We need to derive * that from pteg index diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 047855619cc4..7efd666a3fa7 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -180,11 +180,6 @@ struct kvmppc_spapr_tce_table { struct page *pages[0]; }; -struct kvm_rma_info { - atomic_t use_count; - unsigned long base_pfn; -}; - /* XICS components, defined in book3s_xics.c */ struct kvmppc_xics; struct kvmppc_icp; @@ -214,16 +209,9 @@ struct revmap_entry { #define KVMPPC_RMAP_PRESENT 0x100000000ul #define KVMPPC_RMAP_INDEX 0xfffffffful -/* Low-order bits in memslot->arch.slot_phys[] */ -#define KVMPPC_PAGE_ORDER_MASK 0x1f -#define KVMPPC_PAGE_NO_CACHE HPTE_R_I /* 0x20 */ -#define KVMPPC_PAGE_WRITETHRU HPTE_R_W /* 0x40 */ -#define KVMPPC_GOT_PAGE 0x80 - struct kvm_arch_memory_slot { #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE unsigned long *rmap; - unsigned long *slot_phys; #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ }; @@ -242,14 +230,12 @@ struct kvm_arch { struct kvm_rma_info *rma; unsigned long vrma_slb_v; int rma_setup_done; - int using_mmu_notifiers; u32 hpt_order; atomic_t vcpus_running; u32 online_vcores; unsigned long hpt_npte; unsigned long hpt_mask; atomic_t hpte_mod_interest; - spinlock_t slot_phys_lock; cpumask_t need_tlb_flush; int hpt_cma_alloc; #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ @@ -297,6 +283,7 @@ struct kvmppc_vcore { struct list_head runnable_threads; spinlock_t lock; wait_queue_head_t wq; + spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */ u64 stolen_tb; u64 preempt_tb; struct kvm_vcpu *runner; @@ -308,6 +295,7 @@ struct kvmppc_vcore { ulong dpdes; /* doorbell state (POWER8) */ void *mpp_buffer; /* Micro Partition Prefetch buffer */ bool mpp_buffer_is_valid; + ulong conferring_threads; }; #define VCORE_ENTRY_COUNT(vc) ((vc)->entry_exit_count & 0xff) @@ -664,6 +652,8 @@ struct kvm_vcpu_arch { spinlock_t tbacct_lock; u64 busy_stolen; u64 busy_preempt; + + u32 emul_inst; #endif }; diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index a6dcdb6d13c1..46bf652c9169 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -170,8 +170,6 @@ extern long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn, unsigned long ioba, unsigned long tce); extern long kvmppc_h_get_tce(struct kvm_vcpu *vcpu, unsigned long liobn, unsigned long ioba); -extern struct kvm_rma_info *kvm_alloc_rma(void); -extern void kvm_release_rma(struct kvm_rma_info *ri); extern struct page *kvm_alloc_hpt(unsigned long nr_pages); extern void kvm_release_hpt(struct page *page, unsigned long nr_pages); extern int kvmppc_core_init_vm(struct kvm *kvm); diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 307347f8ddbd..c8175a3fe560 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -42,7 +42,7 @@ struct machdep_calls { unsigned long newpp, unsigned long vpn, int bpsize, int apsize, - int ssize, int local); + int ssize, unsigned long flags); void (*hpte_updateboltedpp)(unsigned long newpp, unsigned long ea, int psize, int ssize); @@ -60,7 +60,7 @@ struct machdep_calls { void (*hugepage_invalidate)(unsigned long vsid, unsigned long addr, unsigned char *hpte_slot_array, - int psize, int ssize); + int psize, int ssize, int local); /* special for kexec, to be called in real mode, linear mapping is * destroyed as well */ void (*hpte_clear_all)(void); @@ -142,7 +142,6 @@ struct machdep_calls { #endif void (*restart)(char *cmd); - void (*power_off)(void); void (*halt)(void); void (*panic)(char *str); void (*cpu_die)(void); @@ -292,10 +291,6 @@ struct machdep_calls { #ifdef CONFIG_ARCH_RANDOM int (*get_random_long)(unsigned long *v); #endif - -#ifdef CONFIG_MEMORY_HOTREMOVE - int (*remove_memory)(u64, u64); -#endif }; extern void e500_idle(void); @@ -343,16 +338,6 @@ extern sys_ctrler_t sys_ctrler; #endif /* CONFIG_PPC_PMAC */ - -/* Functions to produce codes on the leds. - * The SRC code should be unique for the message category and should - * be limited to the lower 24 bits (the upper 8 are set by these funcs), - * and (for boot & dump) should be sorted numerically in the order - * the events occur. - */ -/* Print a boot progress message. */ -void ppc64_boot_msg(unsigned int src, const char *msg); - static inline void log_error(char *buf, unsigned int err_type, int fatal) { if (ppc_md.log_error) diff --git a/arch/powerpc/include/asm/mmu-8xx.h b/arch/powerpc/include/asm/mmu-8xx.h index 3d11d3ce79ec..986b9e1e1044 100644 --- a/arch/powerpc/include/asm/mmu-8xx.h +++ b/arch/powerpc/include/asm/mmu-8xx.h @@ -56,6 +56,7 @@ * additional information from the MI_EPN, and MI_TWC registers. */ #define SPRN_MI_RPN 790 +#define MI_SPS16K 0x00000008 /* Small page size (0 = 4k, 1 = 16k) */ /* Define an RPN value for mapping kernel memory to large virtual * pages for boot initialization. This has real page number of 0, @@ -129,6 +130,7 @@ * additional information from the MD_EPN, and MD_TWC registers. */ #define SPRN_MD_RPN 798 +#define MD_SPS16K 0x00000008 /* Small page size (0 = 4k, 1 = 16k) */ /* This is a temporary storage register that could be used to save * a processor working register during a tablewalk. diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h index aeebc94b2bce..4f13c3ed7acf 100644 --- a/arch/powerpc/include/asm/mmu-hash64.h +++ b/arch/powerpc/include/asm/mmu-hash64.h @@ -316,27 +316,33 @@ static inline unsigned long hpt_hash(unsigned long vpn, return hash & 0x7fffffffffUL; } +#define HPTE_LOCAL_UPDATE 0x1 +#define HPTE_NOHPTE_UPDATE 0x2 + extern int __hash_page_4K(unsigned long ea, unsigned long access, unsigned long vsid, pte_t *ptep, unsigned long trap, - unsigned int local, int ssize, int subpage_prot); + unsigned long flags, int ssize, int subpage_prot); extern int __hash_page_64K(unsigned long ea, unsigned long access, unsigned long vsid, pte_t *ptep, unsigned long trap, - unsigned int local, int ssize); + unsigned long flags, int ssize); struct mm_struct; unsigned int hash_page_do_lazy_icache(unsigned int pp, pte_t pte, int trap); -extern int hash_page_mm(struct mm_struct *mm, unsigned long ea, unsigned long access, unsigned long trap); -extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap); +extern int hash_page_mm(struct mm_struct *mm, unsigned long ea, + unsigned long access, unsigned long trap, + unsigned long flags); +extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap, + unsigned long dsisr); int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, - pte_t *ptep, unsigned long trap, int local, int ssize, - unsigned int shift, unsigned int mmu_psize); + pte_t *ptep, unsigned long trap, unsigned long flags, + int ssize, unsigned int shift, unsigned int mmu_psize); #ifdef CONFIG_TRANSPARENT_HUGEPAGE extern int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, pmd_t *pmdp, unsigned long trap, - int local, int ssize, unsigned int psize); + unsigned long flags, int ssize, unsigned int psize); #else static inline int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid, pmd_t *pmdp, - unsigned long trap, int local, + unsigned long trap, unsigned long flags, int ssize, unsigned int psize) { BUG(); diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index 9124b0ede1fc..eb95b675109b 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -56,6 +56,14 @@ struct opal_sg_list { #define OPAL_HARDWARE_FROZEN -13 #define OPAL_WRONG_STATE -14 #define OPAL_ASYNC_COMPLETION -15 +#define OPAL_I2C_TIMEOUT -17 +#define OPAL_I2C_INVALID_CMD -18 +#define OPAL_I2C_LBUS_PARITY -19 +#define OPAL_I2C_BKEND_OVERRUN -20 +#define OPAL_I2C_BKEND_ACCESS -21 +#define OPAL_I2C_ARBT_LOST -22 +#define OPAL_I2C_NACK_RCVD -23 +#define OPAL_I2C_STOP_ERR -24 /* API Tokens (in r0) */ #define OPAL_INVALID_CALL -1 @@ -152,8 +160,25 @@ struct opal_sg_list { #define OPAL_PCI_ERR_INJECT 96 #define OPAL_PCI_EEH_FREEZE_SET 97 #define OPAL_HANDLE_HMI 98 +#define OPAL_CONFIG_CPU_IDLE_STATE 99 +#define OPAL_SLW_SET_REG 100 #define OPAL_REGISTER_DUMP_REGION 101 #define OPAL_UNREGISTER_DUMP_REGION 102 +#define OPAL_WRITE_TPO 103 +#define OPAL_READ_TPO 104 +#define OPAL_IPMI_SEND 107 +#define OPAL_IPMI_RECV 108 +#define OPAL_I2C_REQUEST 109 + +/* Device tree flags */ + +/* Flags set in power-mgmt nodes in device tree if + * respective idle states are supported in the platform. + */ +#define OPAL_PM_NAP_ENABLED 0x00010000 +#define OPAL_PM_SLEEP_ENABLED 0x00020000 +#define OPAL_PM_WINKLE_ENABLED 0x00040000 +#define OPAL_PM_SLEEP_ENABLED_ER1 0x00080000 #ifndef __ASSEMBLY__ @@ -284,62 +309,6 @@ enum OpalMessageType { OPAL_MSG_TYPE_MAX, }; -/* Machine check related definitions */ -enum OpalMCE_Version { - OpalMCE_V1 = 1, -}; - -enum OpalMCE_Severity { - OpalMCE_SEV_NO_ERROR = 0, - OpalMCE_SEV_WARNING = 1, - OpalMCE_SEV_ERROR_SYNC = 2, - OpalMCE_SEV_FATAL = 3, -}; - -enum OpalMCE_Disposition { - OpalMCE_DISPOSITION_RECOVERED = 0, - OpalMCE_DISPOSITION_NOT_RECOVERED = 1, -}; - -enum OpalMCE_Initiator { - OpalMCE_INITIATOR_UNKNOWN = 0, - OpalMCE_INITIATOR_CPU = 1, -}; - -enum OpalMCE_ErrorType { - OpalMCE_ERROR_TYPE_UNKNOWN = 0, - OpalMCE_ERROR_TYPE_UE = 1, - OpalMCE_ERROR_TYPE_SLB = 2, - OpalMCE_ERROR_TYPE_ERAT = 3, - OpalMCE_ERROR_TYPE_TLB = 4, -}; - -enum OpalMCE_UeErrorType { - OpalMCE_UE_ERROR_INDETERMINATE = 0, - OpalMCE_UE_ERROR_IFETCH = 1, - OpalMCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH = 2, - OpalMCE_UE_ERROR_LOAD_STORE = 3, - OpalMCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE = 4, -}; - -enum OpalMCE_SlbErrorType { - OpalMCE_SLB_ERROR_INDETERMINATE = 0, - OpalMCE_SLB_ERROR_PARITY = 1, - OpalMCE_SLB_ERROR_MULTIHIT = 2, -}; - -enum OpalMCE_EratErrorType { - OpalMCE_ERAT_ERROR_INDETERMINATE = 0, - OpalMCE_ERAT_ERROR_PARITY = 1, - OpalMCE_ERAT_ERROR_MULTIHIT = 2, -}; - -enum OpalMCE_TlbErrorType { - OpalMCE_TLB_ERROR_INDETERMINATE = 0, - OpalMCE_TLB_ERROR_PARITY = 1, - OpalMCE_TLB_ERROR_MULTIHIT = 2, -}; - enum OpalThreadStatus { OPAL_THREAD_INACTIVE = 0x0, OPAL_THREAD_STARTED = 0x1, @@ -452,52 +421,15 @@ struct opal_msg { __be64 params[8]; }; -struct opal_machine_check_event { - enum OpalMCE_Version version:8; /* 0x00 */ - uint8_t in_use; /* 0x01 */ - enum OpalMCE_Severity severity:8; /* 0x02 */ - enum OpalMCE_Initiator initiator:8; /* 0x03 */ - enum OpalMCE_ErrorType error_type:8; /* 0x04 */ - enum OpalMCE_Disposition disposition:8; /* 0x05 */ - uint8_t reserved_1[2]; /* 0x06 */ - uint64_t gpr3; /* 0x08 */ - uint64_t srr0; /* 0x10 */ - uint64_t srr1; /* 0x18 */ - union { /* 0x20 */ - struct { - enum OpalMCE_UeErrorType ue_error_type:8; - uint8_t effective_address_provided; - uint8_t physical_address_provided; - uint8_t reserved_1[5]; - uint64_t effective_address; - uint64_t physical_address; - uint8_t reserved_2[8]; - } ue_error; - - struct { - enum OpalMCE_SlbErrorType slb_error_type:8; - uint8_t effective_address_provided; - uint8_t reserved_1[6]; - uint64_t effective_address; - uint8_t reserved_2[16]; - } slb_error; - - struct { - enum OpalMCE_EratErrorType erat_error_type:8; - uint8_t effective_address_provided; - uint8_t reserved_1[6]; - uint64_t effective_address; - uint8_t reserved_2[16]; - } erat_error; +enum { + OPAL_IPMI_MSG_FORMAT_VERSION_1 = 1, +}; - struct { - enum OpalMCE_TlbErrorType tlb_error_type:8; - uint8_t effective_address_provided; - uint8_t reserved_1[6]; - uint64_t effective_address; - uint8_t reserved_2[16]; - } tlb_error; - } u; +struct opal_ipmi_msg { + uint8_t version; + uint8_t netfn; + uint8_t cmd; + uint8_t data[]; }; /* FSP memory errors handling */ @@ -801,6 +733,24 @@ typedef struct oppanel_line { uint64_t line_len; } oppanel_line_t; +/* OPAL I2C request */ +struct opal_i2c_request { + uint8_t type; +#define OPAL_I2C_RAW_READ 0 +#define OPAL_I2C_RAW_WRITE 1 +#define OPAL_I2C_SM_READ 2 +#define OPAL_I2C_SM_WRITE 3 + uint8_t flags; +#define OPAL_I2C_ADDR_10 0x01 /* Not supported yet */ + uint8_t subaddr_sz; /* Max 4 */ + uint8_t reserved; + __be16 addr; /* 7 or 10 bit address */ + __be16 reserved2; + __be32 subaddr; /* Sub-address if any */ + __be32 size; /* Data size */ + __be64 buffer_ra; /* Buffer real address */ +}; + /* /sys/firmware/opal */ extern struct kobject *opal_kobj; @@ -819,6 +769,9 @@ int64_t opal_rtc_read(__be32 *year_month_day, __be64 *hour_minute_second_millisecond); int64_t opal_rtc_write(uint32_t year_month_day, uint64_t hour_minute_second_millisecond); +int64_t opal_tpo_read(uint64_t token, __be32 *year_mon_day, __be32 *hour_min); +int64_t opal_tpo_write(uint64_t token, uint32_t year_mon_day, + uint32_t hour_min); int64_t opal_cec_power_down(uint64_t request); int64_t opal_cec_reboot(void); int64_t opal_read_nvram(uint64_t buffer, uint64_t size, uint64_t offset); @@ -962,7 +915,14 @@ int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data); int64_t opal_handle_hmi(void); int64_t opal_register_dump_region(uint32_t id, uint64_t start, uint64_t end); int64_t opal_unregister_dump_region(uint32_t id); +int64_t opal_slw_set_reg(uint64_t cpu_pir, uint64_t sprn, uint64_t val); int64_t opal_pci_set_phb_cxl_mode(uint64_t phb_id, uint64_t mode, uint64_t pe_number); +int64_t opal_ipmi_send(uint64_t interface, struct opal_ipmi_msg *msg, + uint64_t msg_len); +int64_t opal_ipmi_recv(uint64_t interface, struct opal_ipmi_msg *msg, + uint64_t *msg_len); +int64_t opal_i2c_request(uint64_t async_token, uint32_t bus_id, + struct opal_i2c_request *oreq); /* Internal functions */ extern int early_init_dt_scan_opal(unsigned long node, const char *uname, @@ -992,8 +952,6 @@ extern int opal_async_wait_response(uint64_t token, struct opal_msg *msg); extern int opal_get_sensor_data(u32 sensor_hndl, u32 *sensor_data); struct rtc_time; -extern int opal_set_rtc_time(struct rtc_time *tm); -extern void opal_get_rtc_time(struct rtc_time *tm); extern unsigned long opal_get_boot_time(void); extern void opal_nvram_init(void); extern void opal_flash_init(void); diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index a5139ea6910b..e5f22c6c4bf9 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -42,7 +42,6 @@ extern unsigned int debug_smp_processor_id(void); /* from linux/smp.h */ #define get_slb_shadow() (get_paca()->slb_shadow_ptr) struct task_struct; -struct opal_machine_check_event; /* * Defines the layout of the paca. @@ -154,11 +153,15 @@ struct paca_struct { #endif #ifdef CONFIG_PPC_POWERNV - /* Pointer to OPAL machine check event structure set by the - * early exception handler for use by high level C handler - */ - struct opal_machine_check_event *opal_mc_evt; + /* Per-core mask tracking idle threads and a lock bit-[L][TTTTTTTT] */ + u32 *core_idle_state_ptr; + u8 thread_idle_state; /* PNV_THREAD_RUNNING/NAP/SLEEP */ + /* Mask to indicate thread id in core */ + u8 thread_mask; + /* Mask to denote subcore sibling threads */ + u8 subcore_sibling_mask; #endif + #ifdef CONFIG_PPC_BOOK3S_64 /* Exclusive emergency stack pointer for machine check exception. */ void *mc_emergency_sp; diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index 26fe1ae15212..69c059887a2c 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -379,12 +379,14 @@ static inline int hugepd_ok(hugepd_t hpd) } #endif -#define is_hugepd(pdep) (hugepd_ok(*((hugepd_t *)(pdep)))) +#define is_hugepd(hpd) (hugepd_ok(hpd)) +#define pgd_huge pgd_huge int pgd_huge(pgd_t pgd); #else /* CONFIG_HUGETLB_PAGE */ #define is_hugepd(pdep) 0 #define pgd_huge(pgd) 0 #endif /* CONFIG_HUGETLB_PAGE */ +#define __hugepd(x) ((hugepd_t) { (x) }) struct page; extern void clear_user_page(void *page, unsigned long vaddr, struct page *pg); diff --git a/arch/powerpc/include/asm/pgalloc.h b/arch/powerpc/include/asm/pgalloc.h index e9a9f60e596d..fc3ee06eab87 100644 --- a/arch/powerpc/include/asm/pgalloc.h +++ b/arch/powerpc/include/asm/pgalloc.h @@ -3,7 +3,6 @@ #ifdef __KERNEL__ #include <linux/mm.h> -#include <asm-generic/tlb.h> #ifdef CONFIG_PPC_BOOK3E extern void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address); @@ -14,6 +13,8 @@ static inline void tlb_flush_pgtable(struct mmu_gather *tlb, } #endif /* !CONFIG_PPC_BOOK3E */ +extern void tlb_remove_table(struct mmu_gather *tlb, void *table); + #ifdef CONFIG_PPC64 #include <asm/pgalloc-64.h> #else diff --git a/arch/powerpc/include/asm/pgtable-ppc32.h b/arch/powerpc/include/asm/pgtable-ppc32.h index 945e47adf7db..234e07c47803 100644 --- a/arch/powerpc/include/asm/pgtable-ppc32.h +++ b/arch/powerpc/include/asm/pgtable-ppc32.h @@ -170,6 +170,25 @@ static inline unsigned long pte_update(pte_t *p, #ifdef PTE_ATOMIC_UPDATES unsigned long old, tmp; +#ifdef CONFIG_PPC_8xx + unsigned long tmp2; + + __asm__ __volatile__("\ +1: lwarx %0,0,%4\n\ + andc %1,%0,%5\n\ + or %1,%1,%6\n\ + /* 0x200 == Extended encoding, bit 22 */ \ + /* Bit 22 has to be 1 if neither _PAGE_USER nor _PAGE_RW are set */ \ + rlwimi %1,%1,32-2,0x200\n /* get _PAGE_USER */ \ + rlwinm %3,%1,32-1,0x200\n /* get _PAGE_RW */ \ + or %1,%3,%1\n\ + xori %1,%1,0x200\n" +" stwcx. %1,0,%4\n\ + bne- 1b" + : "=&r" (old), "=&r" (tmp), "=m" (*p), "=&r" (tmp2) + : "r" (p), "r" (clr), "r" (set), "m" (*p) + : "cc" ); +#else /* CONFIG_PPC_8xx */ __asm__ __volatile__("\ 1: lwarx %0,0,%3\n\ andc %1,%0,%4\n\ @@ -180,6 +199,7 @@ static inline unsigned long pte_update(pte_t *p, : "=&r" (old), "=&r" (tmp), "=m" (*p) : "r" (p), "r" (clr), "r" (set), "m" (*p) : "cc" ); +#endif /* CONFIG_PPC_8xx */ #else /* PTE_ATOMIC_UPDATES */ unsigned long old = pte_val(*p); *p = __pte((old & ~clr) | set); diff --git a/arch/powerpc/include/asm/pgtable-ppc64-4k.h b/arch/powerpc/include/asm/pgtable-ppc64-4k.h index 7b935683f268..132ee1d482c2 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64-4k.h +++ b/arch/powerpc/include/asm/pgtable-ppc64-4k.h @@ -57,7 +57,21 @@ #define pgd_present(pgd) (pgd_val(pgd) != 0) #define pgd_clear(pgdp) (pgd_val(*(pgdp)) = 0) #define pgd_page_vaddr(pgd) (pgd_val(pgd) & ~PGD_MASKED_BITS) -#define pgd_page(pgd) virt_to_page(pgd_page_vaddr(pgd)) + +#ifndef __ASSEMBLY__ + +static inline pte_t pgd_pte(pgd_t pgd) +{ + return __pte(pgd_val(pgd)); +} + +static inline pgd_t pte_pgd(pte_t pte) +{ + return __pgd(pte_val(pte)); +} +extern struct page *pgd_page(pgd_t pgd); + +#endif /* !__ASSEMBLY__ */ #define pud_offset(pgdp, addr) \ (((pud_t *) pgd_page_vaddr(*(pgdp))) + \ diff --git a/arch/powerpc/include/asm/pgtable-ppc64-64k.h b/arch/powerpc/include/asm/pgtable-ppc64-64k.h index a56b82fb0609..1de35bbd02a6 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64-64k.h +++ b/arch/powerpc/include/asm/pgtable-ppc64-64k.h @@ -38,4 +38,7 @@ /* Bits to mask out from a PGD/PUD to get to the PMD page */ #define PUD_MASKED_BITS 0x1ff +#define pgd_pte(pgd) (pud_pte(((pud_t){ pgd }))) +#define pte_pgd(pte) ((pgd_t)pte_pud(pte)) + #endif /* _ASM_POWERPC_PGTABLE_PPC64_64K_H */ diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h index ae153c40ab7c..b9dcc936e2d1 100644 --- a/arch/powerpc/include/asm/pgtable-ppc64.h +++ b/arch/powerpc/include/asm/pgtable-ppc64.h @@ -152,7 +152,7 @@ #define pmd_none(pmd) (!pmd_val(pmd)) #define pmd_bad(pmd) (!is_kernel_addr(pmd_val(pmd)) \ || (pmd_val(pmd) & PMD_BAD_BITS)) -#define pmd_present(pmd) (pmd_val(pmd) != 0) +#define pmd_present(pmd) (!pmd_none(pmd)) #define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0) #define pmd_page_vaddr(pmd) (pmd_val(pmd) & ~PMD_MASKED_BITS) extern struct page *pmd_page(pmd_t pmd); @@ -164,9 +164,21 @@ extern struct page *pmd_page(pmd_t pmd); #define pud_present(pud) (pud_val(pud) != 0) #define pud_clear(pudp) (pud_val(*(pudp)) = 0) #define pud_page_vaddr(pud) (pud_val(pud) & ~PUD_MASKED_BITS) -#define pud_page(pud) virt_to_page(pud_page_vaddr(pud)) +extern struct page *pud_page(pud_t pud); + +static inline pte_t pud_pte(pud_t pud) +{ + return __pte(pud_val(pud)); +} + +static inline pud_t pte_pud(pte_t pte) +{ + return __pud(pte_val(pte)); +} +#define pud_write(pud) pte_write(pud_pte(pud)) #define pgd_set(pgdp, pudp) ({pgd_val(*(pgdp)) = (unsigned long)(pudp);}) +#define pgd_write(pgd) pte_write(pgd_pte(pgd)) /* * Find an entry in a page-table-directory. We combine the address region @@ -422,7 +434,22 @@ extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd); extern void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd); - +/* + * + * For core kernel code by design pmd_trans_huge is never run on any hugetlbfs + * page. The hugetlbfs page table walking and mangling paths are totally + * separated form the core VM paths and they're differentiated by + * VM_HUGETLB being set on vm_flags well before any pmd_trans_huge could run. + * + * pmd_trans_huge() is defined as false at build time if + * CONFIG_TRANSPARENT_HUGEPAGE=n to optimize away code blocks at build + * time in such case. + * + * For ppc64 we need to differntiate from explicit hugepages from THP, because + * for THP we also track the subpage details at the pmd level. We don't do + * that for explicit huge pages. + * + */ static inline int pmd_trans_huge(pmd_t pmd) { /* @@ -431,16 +458,6 @@ static inline int pmd_trans_huge(pmd_t pmd) return (pmd_val(pmd) & 0x3) && (pmd_val(pmd) & _PAGE_THP_HUGE); } -static inline int pmd_large(pmd_t pmd) -{ - /* - * leaf pte for huge page, bottom two bits != 00 - */ - if (pmd_trans_huge(pmd)) - return pmd_val(pmd) & _PAGE_PRESENT; - return 0; -} - static inline int pmd_trans_splitting(pmd_t pmd) { if (pmd_trans_huge(pmd)) @@ -451,6 +468,14 @@ static inline int pmd_trans_splitting(pmd_t pmd) extern int has_transparent_hugepage(void); #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ +static inline int pmd_large(pmd_t pmd) +{ + /* + * leaf pte for huge page, bottom two bits != 00 + */ + return ((pmd_val(pmd) & 0x3) != 0x0); +} + static inline pte_t pmd_pte(pmd_t pmd) { return __pte(pmd_val(pmd)); @@ -467,6 +492,7 @@ static inline pte_t *pmdp_ptep(pmd_t *pmd) } #define pmd_pfn(pmd) pte_pfn(pmd_pte(pmd)) +#define pmd_dirty(pmd) pte_dirty(pmd_pte(pmd)) #define pmd_young(pmd) pte_young(pmd_pte(pmd)) #define pmd_mkold(pmd) pte_pmd(pte_mkold(pmd_pte(pmd))) #define pmd_wrprotect(pmd) pte_pmd(pte_wrprotect(pmd_pte(pmd))) @@ -575,6 +601,5 @@ static inline int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl, */ return true; } - #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_PGTABLE_PPC64_H_ */ diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 316f9a5da173..a8805fee0df9 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -274,11 +274,9 @@ extern void paging_init(void); */ extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *); -extern int gup_hugepd(hugepd_t *hugepd, unsigned pdshift, unsigned long addr, - unsigned long end, int write, struct page **pages, int *nr); - extern int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr, - unsigned long end, int write, struct page **pages, int *nr); + unsigned long end, int write, + struct page **pages, int *nr); #ifndef CONFIG_TRANSPARENT_HUGEPAGE #define pmd_large(pmd) 0 #define has_transparent_hugepage() 0 diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index 6f8536208049..03cd858a401c 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -194,6 +194,7 @@ #define PPC_INST_NAP 0x4c000364 #define PPC_INST_SLEEP 0x4c0003a4 +#define PPC_INST_WINKLE 0x4c0003e4 /* A2 specific instructions */ #define PPC_INST_ERATWE 0x7c0001a6 @@ -204,6 +205,7 @@ #define PPC_INST_ERATSX_DOT 0x7c000127 /* Misc instructions for BPF compiler */ +#define PPC_INST_LBZ 0x88000000 #define PPC_INST_LD 0xe8000000 #define PPC_INST_LHZ 0xa0000000 #define PPC_INST_LHBRX 0x7c00062c @@ -374,6 +376,7 @@ #define PPC_NAP stringify_in_c(.long PPC_INST_NAP) #define PPC_SLEEP stringify_in_c(.long PPC_INST_SLEEP) +#define PPC_WINKLE stringify_in_c(.long PPC_INST_WINKLE) /* BHRB instructions */ #define PPC_CLRBHRB stringify_in_c(.long PPC_INST_CLRBHRB) diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index dda7ac4c80bd..bf117d8fb45f 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -451,8 +451,9 @@ extern unsigned long cpuidle_disable; enum idle_boot_override {IDLE_NO_OVERRIDE = 0, IDLE_POWERSAVE_OFF}; extern int powersave_nap; /* set if nap mode can be used in idle loop */ -extern void power7_nap(int check_irq); -extern void power7_sleep(void); +extern unsigned long power7_nap(int check_irq); +extern unsigned long power7_sleep(void); +extern unsigned long power7_winkle(void); extern void flush_instruction_cache(void); extern void hard_reset_now(void); extern void poweroff_now(void); diff --git a/arch/powerpc/include/asm/pte-8xx.h b/arch/powerpc/include/asm/pte-8xx.h index d44826e4ff97..daa4616e61c4 100644 --- a/arch/powerpc/include/asm/pte-8xx.h +++ b/arch/powerpc/include/asm/pte-8xx.h @@ -48,19 +48,22 @@ */ #define _PAGE_RW 0x0400 /* lsb PP bits, inverted in HW */ #define _PAGE_USER 0x0800 /* msb PP bits */ +/* set when neither _PAGE_USER nor _PAGE_RW are set */ +#define _PAGE_KNLRO 0x0200 #define _PMD_PRESENT 0x0001 #define _PMD_BAD 0x0ff0 #define _PMD_PAGE_MASK 0x000c #define _PMD_PAGE_8M 0x000c -#define _PTE_NONE_MASK _PAGE_ACCESSED +#define _PTE_NONE_MASK _PAGE_KNLRO /* Until my rework is finished, 8xx still needs atomic PTE updates */ #define PTE_ATOMIC_UPDATES 1 /* We need to add _PAGE_SHARED to kernel pages */ -#define _PAGE_KERNEL_RO (_PAGE_SHARED) +#define _PAGE_KERNEL_RO (_PAGE_SHARED | _PAGE_KNLRO) +#define _PAGE_KERNEL_ROX (_PAGE_EXEC | _PAGE_KNLRO) #define _PAGE_KERNEL_RW (_PAGE_DIRTY | _PAGE_RW | _PAGE_HWWRITE) #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index c998279bd85b..1c874fb533bb 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -118,8 +118,10 @@ #define __MSR (MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF |MSR_HV) #ifdef __BIG_ENDIAN__ #define MSR_ __MSR +#define MSR_IDLE (MSR_ME | MSR_SF | MSR_HV) #else #define MSR_ (__MSR | MSR_LE) +#define MSR_IDLE (MSR_ME | MSR_SF | MSR_HV | MSR_LE) #endif #define MSR_KERNEL (MSR_ | MSR_64BIT) #define MSR_USER32 (MSR_ | MSR_PR | MSR_EE) @@ -371,6 +373,7 @@ #define SPRN_DBAT7L 0x23F /* Data BAT 7 Lower Register */ #define SPRN_DBAT7U 0x23E /* Data BAT 7 Upper Register */ #define SPRN_PPR 0x380 /* SMT Thread status Register */ +#define SPRN_TSCR 0x399 /* Thread Switch Control Register */ #define SPRN_DEC 0x016 /* Decrement Register */ #define SPRN_DER 0x095 /* Debug Enable Regsiter */ @@ -728,6 +731,7 @@ #define SPRN_BESCR 806 /* Branch event status and control register */ #define BESCR_GE 0x8000000000000000ULL /* Global Enable */ #define SPRN_WORT 895 /* Workload optimization register - thread */ +#define SPRN_WORC 863 /* Workload optimization register - core */ #define SPRN_PMC1 787 #define SPRN_PMC2 788 diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h index 11ba86e17631..fbdf18cf954c 100644 --- a/arch/powerpc/include/asm/setup.h +++ b/arch/powerpc/include/asm/setup.h @@ -8,7 +8,6 @@ extern void ppc_printk_progress(char *s, unsigned short hex); extern unsigned int rtas_data; extern int mem_init_done; /* set on boot once kmalloc can be called */ -extern int init_bootmem_done; /* set once bootmem is available */ extern unsigned long long memory_limit; extern unsigned long klimit; extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask); @@ -24,7 +23,7 @@ extern void reloc_got2(unsigned long); #define PTRRELOC(x) ((typeof(x)) add_reloc_offset((unsigned long)(x))) void check_for_initrd(void); -void do_init_bootmem(void); +void initmem_init(void); void setup_panic(void); #define ARCH_PANIC_TIMEOUT 180 diff --git a/arch/powerpc/include/asm/syscall.h b/arch/powerpc/include/asm/syscall.h index 6240698fee9a..ff21b7a2f0cc 100644 --- a/arch/powerpc/include/asm/syscall.h +++ b/arch/powerpc/include/asm/syscall.h @@ -90,6 +90,10 @@ static inline void syscall_set_arguments(struct task_struct *task, static inline int syscall_get_arch(void) { - return is_32bit_task() ? AUDIT_ARCH_PPC : AUDIT_ARCH_PPC64; + int arch = is_32bit_task() ? AUDIT_ARCH_PPC : AUDIT_ARCH_PPC64; +#ifdef __LITTLE_ENDIAN__ + arch |= __AUDIT_ARCH_LE; +#endif + return arch; } #endif /* _ASM_SYSCALL_H */ diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index ce9577d693be..91062eef582f 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -366,3 +366,4 @@ SYSCALL_SPU(seccomp) SYSCALL_SPU(getrandom) SYSCALL_SPU(memfd_create) SYSCALL_SPU(bpf) +COMPAT_SYS(execveat) diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index b034ecdb7c74..ebc4f165690a 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -71,13 +71,12 @@ struct thread_info { #define THREAD_SIZE_ORDER (THREAD_SHIFT - PAGE_SHIFT) /* how to get the thread information struct from C */ +register unsigned long __current_r1 asm("r1"); static inline struct thread_info *current_thread_info(void) { - register unsigned long sp asm("r1"); - /* gcc4, at least, is smart enough to turn this into a single * rlwinm for ppc32 and clrrdi for ppc64 */ - return (struct thread_info *)(sp & ~(THREAD_SIZE-1)); + return (struct thread_info *)(__current_r1 & ~(THREAD_SIZE-1)); } #endif /* __ASSEMBLY__ */ diff --git a/arch/powerpc/include/asm/tlb.h b/arch/powerpc/include/asm/tlb.h index e2b428b0f7ba..20733fa518ae 100644 --- a/arch/powerpc/include/asm/tlb.h +++ b/arch/powerpc/include/asm/tlb.h @@ -27,6 +27,7 @@ #define tlb_start_vma(tlb, vma) do { } while (0) #define tlb_end_vma(tlb, vma) do { } while (0) +#define __tlb_remove_tlb_entry __tlb_remove_tlb_entry extern void tlb_flush(struct mmu_gather *tlb); diff --git a/arch/powerpc/include/asm/tlbflush.h b/arch/powerpc/include/asm/tlbflush.h index 2def01ed0cb2..23d351ca0303 100644 --- a/arch/powerpc/include/asm/tlbflush.h +++ b/arch/powerpc/include/asm/tlbflush.h @@ -107,14 +107,14 @@ extern void __flush_tlb_pending(struct ppc64_tlb_batch *batch); static inline void arch_enter_lazy_mmu_mode(void) { - struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch); + struct ppc64_tlb_batch *batch = this_cpu_ptr(&ppc64_tlb_batch); batch->active = 1; } static inline void arch_leave_lazy_mmu_mode(void) { - struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch); + struct ppc64_tlb_batch *batch = this_cpu_ptr(&ppc64_tlb_batch); if (batch->index) __flush_tlb_pending(batch); @@ -125,9 +125,11 @@ static inline void arch_leave_lazy_mmu_mode(void) extern void flush_hash_page(unsigned long vpn, real_pte_t pte, int psize, - int ssize, int local); + int ssize, unsigned long flags); extern void flush_hash_range(unsigned long number, int local); - +extern void flush_hash_hugepage(unsigned long vsid, unsigned long addr, + pmd_t *pmdp, unsigned int psize, int ssize, + unsigned long flags); static inline void local_flush_tlb_mm(struct mm_struct *mm) { diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 9485b43a7c00..a0c071d24e0e 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -284,7 +284,7 @@ do { \ if (!is_kernel_addr((unsigned long)__gu_addr)) \ might_fault(); \ __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \ - (x) = (__typeof__(*(ptr)))__gu_val; \ + (x) = (__force __typeof__(*(ptr)))__gu_val; \ __gu_err; \ }) #endif /* __powerpc64__ */ @@ -297,7 +297,7 @@ do { \ might_fault(); \ if (access_ok(VERIFY_READ, __gu_addr, (size))) \ __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \ - (x) = (__typeof__(*(ptr)))__gu_val; \ + (x) = (__force __typeof__(*(ptr)))__gu_val; \ __gu_err; \ }) @@ -308,7 +308,7 @@ do { \ const __typeof__(*(ptr)) __user *__gu_addr = (ptr); \ __chk_user_ptr(ptr); \ __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \ - (x) = (__typeof__(*(ptr)))__gu_val; \ + (x) = (__force __typeof__(*(ptr)))__gu_val; \ __gu_err; \ }) diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index e0da021caa00..36b79c31eedd 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -12,7 +12,7 @@ #include <uapi/asm/unistd.h> -#define __NR_syscalls 362 +#define __NR_syscalls 363 #define __NR__exit __NR_exit #define NR_syscalls __NR_syscalls diff --git a/arch/powerpc/include/asm/vga.h b/arch/powerpc/include/asm/vga.h index a2eac409c1ec..e5f8dd366212 100644 --- a/arch/powerpc/include/asm/vga.h +++ b/arch/powerpc/include/asm/vga.h @@ -38,12 +38,10 @@ static inline u16 scr_readw(volatile const u16 *addr) #endif /* !CONFIG_VGA_CONSOLE && !CONFIG_MDA_CONSOLE */ -extern unsigned long vgacon_remap_base; - #ifdef __powerpc64__ #define VGA_MAP_MEM(x,s) ((unsigned long) ioremap((x), s)) #else -#define VGA_MAP_MEM(x,s) (x + vgacon_remap_base) +#define VGA_MAP_MEM(x,s) (x) #endif #define vga_readb(x) (*(x)) diff --git a/arch/powerpc/include/asm/xics.h b/arch/powerpc/include/asm/xics.h index 0d050ea37a04..6997f4a271df 100644 --- a/arch/powerpc/include/asm/xics.h +++ b/arch/powerpc/include/asm/xics.h @@ -98,7 +98,7 @@ DECLARE_PER_CPU(struct xics_cppr, xics_cppr); static inline void xics_push_cppr(unsigned int vec) { - struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); + struct xics_cppr *os_cppr = this_cpu_ptr(&xics_cppr); if (WARN_ON(os_cppr->index >= MAX_NUM_PRIORITIES - 1)) return; @@ -111,7 +111,7 @@ static inline void xics_push_cppr(unsigned int vec) static inline unsigned char xics_pop_cppr(void) { - struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); + struct xics_cppr *os_cppr = this_cpu_ptr(&xics_cppr); if (WARN_ON(os_cppr->index < 1)) return LOWEST_PRIORITY; @@ -121,7 +121,7 @@ static inline unsigned char xics_pop_cppr(void) static inline void xics_set_base_cppr(unsigned char cppr) { - struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); + struct xics_cppr *os_cppr = this_cpu_ptr(&xics_cppr); /* we only really want to set the priority when there's * just one cppr value on the stack @@ -133,7 +133,7 @@ static inline void xics_set_base_cppr(unsigned char cppr) static inline unsigned char xics_cppr_top(void) { - struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr); + struct xics_cppr *os_cppr = this_cpu_ptr(&xics_cppr); return os_cppr->stack[os_cppr->index]; } diff --git a/arch/powerpc/include/uapi/asm/socket.h b/arch/powerpc/include/uapi/asm/socket.h index a9c3e2e18c05..c046666038f8 100644 --- a/arch/powerpc/include/uapi/asm/socket.h +++ b/arch/powerpc/include/uapi/asm/socket.h @@ -87,4 +87,9 @@ #define SO_BPF_EXTENSIONS 48 +#define SO_INCOMING_CPU 49 + +#define SO_ATTACH_BPF 50 +#define SO_DETACH_BPF SO_DETACH_FILTER + #endif /* _ASM_POWERPC_SOCKET_H */ diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h index f55351f2e66e..ef5b5b1f3123 100644 --- a/arch/powerpc/include/uapi/asm/unistd.h +++ b/arch/powerpc/include/uapi/asm/unistd.h @@ -384,5 +384,6 @@ #define __NR_getrandom 359 #define __NR_memfd_create 360 #define __NR_bpf 361 +#define __NR_execveat 362 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */ |