diff options
Diffstat (limited to 'arch/powerpc/include/asm')
138 files changed, 838 insertions, 1421 deletions
diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild index e5fdc336c9b2..2e23533b67e3 100644 --- a/arch/powerpc/include/asm/Kbuild +++ b/arch/powerpc/include/asm/Kbuild @@ -3,7 +3,6 @@ generated-y += syscall_table_32.h generated-y += syscall_table_64.h generated-y += syscall_table_spu.h generic-y += agp.h -generic-y += kvm_types.h generic-y += mcs_spinlock.h generic-y += qrwlock.h generic-y += early_ioremap.h diff --git a/arch/powerpc/include/asm/asm-const.h b/arch/powerpc/include/asm/asm-const.h index bfb3c3534877..392bdb1f104f 100644 --- a/arch/powerpc/include/asm/asm-const.h +++ b/arch/powerpc/include/asm/asm-const.h @@ -1,7 +1,7 @@ #ifndef _ASM_POWERPC_ASM_CONST_H #define _ASM_POWERPC_ASM_CONST_H -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ # define stringify_in_c(...) __VA_ARGS__ # define ASM_CONST(x) x #else diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h index b95b666f0374..9e9833faa4af 100644 --- a/arch/powerpc/include/asm/barrier.h +++ b/arch/powerpc/include/asm/barrier.h @@ -7,7 +7,7 @@ #include <asm/asm-const.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/ppc-opcode.h> #endif diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index 671ecc6711e3..0d0470cd5ac3 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -276,7 +276,7 @@ static inline void arch___clear_bit_unlock(int nr, volatile unsigned long *addr) * fls: find last (most-significant) bit set. * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32. */ -static __always_inline int fls(unsigned int x) +static __always_inline __attribute_const__ int fls(unsigned int x) { int lz; @@ -294,7 +294,7 @@ static __always_inline int fls(unsigned int x) * 32-bit fls calls. */ #ifdef CONFIG_PPC64 -static __always_inline int fls64(__u64 x) +static __always_inline __attribute_const__ int fls64(__u64 x) { int lz; diff --git a/arch/powerpc/include/asm/book3s/32/kup.h b/arch/powerpc/include/asm/book3s/32/kup.h index 4e14a5427a63..873c5146e326 100644 --- a/arch/powerpc/include/asm/book3s/32/kup.h +++ b/arch/powerpc/include/asm/book3s/32/kup.h @@ -7,7 +7,7 @@ #include <asm/mmu.h> #include <asm/synch.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #ifdef CONFIG_PPC_KUAP @@ -170,6 +170,6 @@ __bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write) #endif /* CONFIG_PPC_KUAP */ -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_BOOK3S_32_KUP_H */ diff --git a/arch/powerpc/include/asm/book3s/32/mmu-hash.h b/arch/powerpc/include/asm/book3s/32/mmu-hash.h index 78c6a5fde1d6..8435bf3cdabf 100644 --- a/arch/powerpc/include/asm/book3s/32/mmu-hash.h +++ b/arch/powerpc/include/asm/book3s/32/mmu-hash.h @@ -29,7 +29,7 @@ #define BPP_RX 0x01 /* Read only */ #define BPP_RW 0x02 /* Read/write */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* Contort a phys_addr_t into the right format/bits for a BAT */ #ifdef CONFIG_PHYS_64BIT #define BAT_PHYS_ADDR(x) ((u32)((x & 0x00000000fffe0000ULL) | \ @@ -47,7 +47,7 @@ struct ppc_bat { u32 batu; u32 batl; }; -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ /* * Hash table @@ -64,7 +64,7 @@ struct ppc_bat { #define SR_KP 0x20000000 /* User key */ #define SR_KS 0x40000000 /* Supervisor key */ -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ #include <asm/asm-offsets.h> @@ -225,7 +225,7 @@ static __always_inline void update_user_segments(u32 val) int __init find_free_bat(void); unsigned int bat_block_size(unsigned long base, unsigned long top); -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ /* We happily ignore the smaller BATs on 601, we don't actually use * those definitions on hash32 at the moment anyway diff --git a/arch/powerpc/include/asm/book3s/32/pgalloc.h b/arch/powerpc/include/asm/book3s/32/pgalloc.h index dd4eb3063175..f4390704d5ba 100644 --- a/arch/powerpc/include/asm/book3s/32/pgalloc.h +++ b/arch/powerpc/include/asm/book3s/32/pgalloc.h @@ -7,8 +7,14 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm) { - return kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE), - pgtable_gfp_flags(mm, GFP_KERNEL)); + pgd_t *pgd = kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE), + pgtable_gfp_flags(mm, GFP_KERNEL)); + +#ifdef CONFIG_PPC_BOOK3S_603 + memcpy(pgd + USER_PTRS_PER_PGD, swapper_pg_dir + USER_PTRS_PER_PGD, + (MAX_PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); +#endif + return pgd; } static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h index 42c3af90d1f0..87dcca962be7 100644 --- a/arch/powerpc/include/asm/book3s/32/pgtable.h +++ b/arch/powerpc/include/asm/book3s/32/pgtable.h @@ -102,7 +102,7 @@ #define PMD_CACHE_INDEX PMD_INDEX_SIZE #define PUD_CACHE_INDEX PUD_INDEX_SIZE -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define PTE_TABLE_SIZE (sizeof(pte_t) << PTE_INDEX_SIZE) #define PMD_TABLE_SIZE 0 #define PUD_TABLE_SIZE 0 @@ -110,7 +110,7 @@ /* Bits to mask out from a PMD to get to the PTE page */ #define PMD_MASKED_BITS (PTE_TABLE_SIZE - 1) -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #define PTRS_PER_PTE (1 << PTE_INDEX_SIZE) #define PTRS_PER_PGD (1 << PGD_INDEX_SIZE) @@ -132,12 +132,12 @@ #define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ int map_kernel_page(unsigned long va, phys_addr_t pa, pgprot_t prot); void unmap_kernel_page(unsigned long va); -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ /* * This is the bottom of the PKMAP area with HIGHMEM or an arbitrary @@ -199,7 +199,7 @@ void unmap_kernel_page(unsigned long va); #define MODULES_SIZE (CONFIG_MODULES_SIZE * SZ_1M) #define MODULES_VADDR (MODULES_END - MODULES_SIZE) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/sched.h> #include <linux/threads.h> @@ -365,7 +365,7 @@ static inline void __ptep_set_access_flags(struct vm_area_struct *vma, #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) >> 3 }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val << 3 }) -static inline int pte_swp_exclusive(pte_t pte) +static inline bool pte_swp_exclusive(pte_t pte) { return pte_val(pte) & _PAGE_SWP_EXCLUSIVE; } @@ -602,6 +602,6 @@ static inline pgprot_t pgprot_writecombine(pgprot_t prot) return pgprot_noncached_wc(prot); } -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* _ASM_POWERPC_BOOK3S_32_PGTABLE_H */ diff --git a/arch/powerpc/include/asm/book3s/32/tlbflush.h b/arch/powerpc/include/asm/book3s/32/tlbflush.h index e43534da5207..4be2200a3c7e 100644 --- a/arch/powerpc/include/asm/book3s/32/tlbflush.h +++ b/arch/powerpc/include/asm/book3s/32/tlbflush.h @@ -11,6 +11,7 @@ void hash__flush_tlb_mm(struct mm_struct *mm); void hash__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); void hash__flush_range(struct mm_struct *mm, unsigned long start, unsigned long end); +void hash__flush_gather(struct mmu_gather *tlb); #ifdef CONFIG_SMP void _tlbie(unsigned long address); @@ -29,7 +30,9 @@ void _tlbia(void); static inline void tlb_flush(struct mmu_gather *tlb) { /* 603 needs to flush the whole TLB here since it doesn't use a hash table. */ - if (!mmu_has_feature(MMU_FTR_HPTE_TABLE)) + if (mmu_has_feature(MMU_FTR_HPTE_TABLE)) + hash__flush_gather(tlb); + else _tlbia(); } diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h index c3efacab4b94..8e5bd9902bed 100644 --- a/arch/powerpc/include/asm/book3s/64/hash-4k.h +++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h @@ -32,7 +32,7 @@ */ #define H_KERN_VIRT_START ASM_CONST(0xc0003d0000000000) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define H_PTE_TABLE_SIZE (sizeof(pte_t) << H_PTE_INDEX_SIZE) #define H_PMD_TABLE_SIZE (sizeof(pmd_t) << H_PMD_INDEX_SIZE) #define H_PUD_TABLE_SIZE (sizeof(pud_t) << H_PUD_INDEX_SIZE) @@ -77,9 +77,17 @@ /* * With 4K page size the real_pte machinery is all nops. */ -#define __real_pte(e, p, o) ((real_pte_t){(e)}) +static inline real_pte_t __real_pte(pte_t pte, pte_t *ptep, int offset) +{ + return (real_pte_t){pte}; +} + #define __rpte_to_pte(r) ((r).pte) -#define __rpte_to_hidx(r,index) (pte_val(__rpte_to_pte(r)) >> H_PAGE_F_GIX_SHIFT) + +static inline unsigned long __rpte_to_hidx(real_pte_t rpte, unsigned long index) +{ + return pte_val(__rpte_to_pte(rpte)) >> H_PAGE_F_GIX_SHIFT; +} #define pte_iterate_hashed_subpages(rpte, psize, va, index, shift) \ do { \ @@ -160,12 +168,6 @@ extern pmd_t hash__pmdp_huge_get_and_clear(struct mm_struct *mm, extern int hash__has_transparent_hugepage(void); #endif -static inline pmd_t hash__pmd_mkdevmap(pmd_t pmd) -{ - BUG(); - return pmd; -} - -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* _ASM_POWERPC_BOOK3S_64_HASH_4K_H */ diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h index 0bf6fd0bf42a..7deb3a66890b 100644 --- a/arch/powerpc/include/asm/book3s/64/hash-64k.h +++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h @@ -79,7 +79,7 @@ #endif #define H_PMD_FRAG_NR (PAGE_SIZE >> H_PMD_FRAG_SIZE_SHIFT) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/errno.h> /* @@ -259,7 +259,7 @@ static inline void mark_hpte_slot_valid(unsigned char *hpte_slot_array, */ static inline int hash__pmd_trans_huge(pmd_t pmd) { - return !!((pmd_val(pmd) & (_PAGE_PTE | H_PAGE_THP_HUGE | _PAGE_DEVMAP)) == + return !!((pmd_val(pmd) & (_PAGE_PTE | H_PAGE_THP_HUGE)) == (_PAGE_PTE | H_PAGE_THP_HUGE)); } @@ -281,11 +281,6 @@ extern pmd_t hash__pmdp_huge_get_and_clear(struct mm_struct *mm, extern int hash__has_transparent_hugepage(void); #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ -static inline pmd_t hash__pmd_mkdevmap(pmd_t pmd) -{ - return __pmd(pmd_val(pmd) | (_PAGE_PTE | H_PAGE_THP_HUGE | _PAGE_DEVMAP)); -} - -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_BOOK3S_64_HASH_64K_H */ diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h index 0755f2567021..5a8cbd496731 100644 --- a/arch/powerpc/include/asm/book3s/64/hash.h +++ b/arch/powerpc/include/asm/book3s/64/hash.h @@ -112,7 +112,7 @@ #define H_PMD_BAD_BITS (PTE_TABLE_SIZE-1) #define H_PUD_BAD_BITS (PMD_TABLE_SIZE-1) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ static inline int get_region_id(unsigned long ea) { int region_id; @@ -295,6 +295,6 @@ int hash__create_section_mapping(unsigned long start, unsigned long end, int nid, pgprot_t prot); int hash__remove_section_mapping(unsigned long start, unsigned long end); -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_BOOK3S_64_HASH_H */ diff --git a/arch/powerpc/include/asm/book3s/64/hugetlb.h b/arch/powerpc/include/asm/book3s/64/hugetlb.h index f0bba9c5f9c3..bb786694dd26 100644 --- a/arch/powerpc/include/asm/book3s/64/hugetlb.h +++ b/arch/powerpc/include/asm/book3s/64/hugetlb.h @@ -94,4 +94,10 @@ static inline int check_and_get_huge_psize(int shift) return mmu_psize; } +#define arch_has_huge_bootmem_alloc arch_has_huge_bootmem_alloc + +static inline bool arch_has_huge_bootmem_alloc(void) +{ + return (firmware_has_feature(FW_FEATURE_LPAR) && !radix_enabled()); +} #endif diff --git a/arch/powerpc/include/asm/book3s/64/kup.h b/arch/powerpc/include/asm/book3s/64/kup.h index 497a7bd31ecc..03aec3c6c851 100644 --- a/arch/powerpc/include/asm/book3s/64/kup.h +++ b/arch/powerpc/include/asm/book3s/64/kup.h @@ -10,7 +10,7 @@ #define AMR_KUEP_BLOCKED UL(0x5455555555555555) #define AMR_KUAP_BLOCKED (AMR_KUAP_BLOCK_READ | AMR_KUAP_BLOCK_WRITE) -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ .macro kuap_user_restore gpr1, gpr2 #if defined(CONFIG_PPC_PKEY) @@ -191,7 +191,7 @@ #endif .endm -#else /* !__ASSEMBLY__ */ +#else /* !__ASSEMBLER__ */ #include <linux/jump_label.h> #include <linux/sched.h> @@ -413,6 +413,6 @@ static __always_inline void restore_user_access(unsigned long flags) if (static_branch_unlikely(&uaccess_flush_key) && flags == AMR_KUAP_BLOCKED) do_uaccess_flush(); } -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_BOOK3S_64_KUP_H */ diff --git a/arch/powerpc/include/asm/book3s/64/mmu-hash.h b/arch/powerpc/include/asm/book3s/64/mmu-hash.h index 1c4eebbc69c9..af12e2ba8eb8 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu-hash.h +++ b/arch/powerpc/include/asm/book3s/64/mmu-hash.h @@ -130,7 +130,7 @@ #define POWER9_TLB_SETS_HASH 256 /* # sets in POWER9 TLB Hash mode */ #define POWER9_TLB_SETS_RADIX 128 /* # sets in POWER9 TLB Radix mode */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ struct mmu_hash_ops { void (*hpte_invalidate)(unsigned long slot, @@ -220,7 +220,7 @@ static inline unsigned long get_sllp_encoding(int psize) return sllp; } -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ /* * Segment sizes. @@ -248,7 +248,7 @@ static inline unsigned long get_sllp_encoding(int psize) #define LP_BITS 8 #define LP_MASK(i) ((0xFF >> (i)) << LP_SHIFT) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ static inline int slb_vsid_shift(int ssize) { @@ -524,7 +524,6 @@ void slb_save_contents(struct slb_entry *slb_ptr); void slb_dump_contents(struct slb_entry *slb_ptr); extern void slb_vmalloc_update(void); -void preload_new_slb_context(unsigned long start, unsigned long sp); #ifdef CONFIG_PPC_64S_HASH_MMU void slb_set_size(u16 size); @@ -532,7 +531,7 @@ void slb_set_size(u16 size); static inline void slb_set_size(u16 size) { } #endif -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ /* * VSID allocation (256MB segment) @@ -668,7 +667,7 @@ static inline void slb_set_size(u16 size) { } #define SLICE_ARRAY_SIZE (H_PGTABLE_RANGE >> 41) #define LOW_SLICE_ARRAY_SZ (BITS_PER_LONG / BITS_PER_BYTE) #define TASK_SLICE_ARRAY_SZ(x) ((x)->hash_context->slb_addr_limit >> 41) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #ifdef CONFIG_PPC_SUBPAGE_PROT /* @@ -881,5 +880,5 @@ static inline unsigned long mk_vsid_data(unsigned long ea, int ssize, return __mk_vsid_data(get_kernel_vsid(ea, ssize), ssize, flags); } -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_BOOK3S_64_MMU_HASH_H_ */ diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h index fedbc5d38191..48631365b48c 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu.h +++ b/arch/powerpc/include/asm/book3s/64/mmu.h @@ -4,7 +4,7 @@ #include <asm/page.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* * Page size definition * @@ -26,12 +26,12 @@ struct mmu_psize_def { }; }; extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT]; -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ /* 64-bit classic hash table MMU */ #include <asm/book3s/64/mmu-hash.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* * ISA 3.0 partition and process table entry format */ @@ -288,5 +288,5 @@ static inline unsigned long get_user_vsid(mm_context_t *ctx, } #endif -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_BOOK3S_64_MMU_H_ */ diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h index 4d8d7b4ea16b..004a03e97e58 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h @@ -2,7 +2,7 @@ #ifndef _ASM_POWERPC_BOOK3S_64_PGTABLE_64K_H #define _ASM_POWERPC_BOOK3S_64_PGTABLE_64K_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #ifdef CONFIG_HUGETLB_PAGE #endif /* CONFIG_HUGETLB_PAGE */ @@ -14,5 +14,5 @@ static inline int remap_4k_pfn(struct vm_area_struct *vma, unsigned long addr, BUG(); return hash__remap_4k_pfn(vma, addr, pfn, prot); } -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /*_ASM_POWERPC_BOOK3S_64_PGTABLE_64K_H */ diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index 6d98e6f08d4d..aac8ce30cd3b 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -4,7 +4,7 @@ #include <asm-generic/pgtable-nop4d.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/mmdebug.h> #include <linux/bug.h> #include <linux/sizes.h> @@ -88,7 +88,6 @@ #define _PAGE_SOFT_DIRTY _RPAGE_SW3 /* software: software dirty tracking */ #define _PAGE_SPECIAL _RPAGE_SW2 /* software: special page */ -#define _PAGE_DEVMAP _RPAGE_SW1 /* software: ZONE_DEVICE page */ /* * Drivers request for cache inhibited pte mapping using _PAGE_NO_CACHE @@ -109,7 +108,7 @@ */ #define _HPAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \ _PAGE_ACCESSED | H_PAGE_THP_HUGE | _PAGE_PTE | \ - _PAGE_SOFT_DIRTY | _PAGE_DEVMAP) + _PAGE_SOFT_DIRTY) /* * user access blocked by key */ @@ -123,7 +122,7 @@ */ #define _PAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \ _PAGE_ACCESSED | _PAGE_SPECIAL | _PAGE_PTE | \ - _PAGE_SOFT_DIRTY | _PAGE_DEVMAP) + _PAGE_SOFT_DIRTY) /* * We define 2 sets of base prot bits, one for basic pages (ie, @@ -144,7 +143,7 @@ #define PAGE_KERNEL_RO __pgprot(_PAGE_BASE | _PAGE_KERNEL_RO) #define PAGE_KERNEL_ROX __pgprot(_PAGE_BASE | _PAGE_KERNEL_ROX) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* * page table defines */ @@ -292,7 +291,7 @@ static inline unsigned long pud_leaf_size(pud_t pud) else return PUD_SIZE; } -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #include <asm/book3s/64/hash.h> #include <asm/book3s/64/radix.h> @@ -328,7 +327,7 @@ static inline unsigned long pud_leaf_size(pud_t pud) #define FIXADDR_SIZE SZ_32M #define FIXADDR_TOP (IOREMAP_END + FIXADDR_SIZE) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ static inline unsigned long pte_update(struct mm_struct *mm, unsigned long addr, pte_t *ptep, unsigned long clr, @@ -609,24 +608,6 @@ static inline pte_t pte_mkhuge(pte_t pte) return pte; } -static inline pte_t pte_mkdevmap(pte_t pte) -{ - return __pte_raw(pte_raw(pte) | cpu_to_be64(_PAGE_SPECIAL | _PAGE_DEVMAP)); -} - -/* - * This is potentially called with a pmd as the argument, in which case it's not - * safe to check _PAGE_DEVMAP unless we also confirm that _PAGE_PTE is set. - * That's because the bit we use for _PAGE_DEVMAP is not reserved for software - * use in page directory entries (ie. non-ptes). - */ -static inline int pte_devmap(pte_t pte) -{ - __be64 mask = cpu_to_be64(_PAGE_DEVMAP | _PAGE_PTE); - - return (pte_raw(pte) & mask) == mask; -} - static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) { /* FIXME!! check whether this need to be a conditional */ @@ -693,7 +674,7 @@ static inline pte_t pte_swp_mkexclusive(pte_t pte) return __pte_raw(pte_raw(pte) | cpu_to_be64(_PAGE_SWP_EXCLUSIVE)); } -static inline int pte_swp_exclusive(pte_t pte) +static inline bool pte_swp_exclusive(pte_t pte) { return !!(pte_raw(pte) & cpu_to_be64(_PAGE_SWP_EXCLUSIVE)); } @@ -1096,7 +1077,6 @@ static inline bool pmd_access_permitted(pmd_t pmd, bool write) #ifdef CONFIG_TRANSPARENT_HUGEPAGE extern pmd_t pfn_pmd(unsigned long pfn, pgprot_t pgprot); extern pud_t pfn_pud(unsigned long pfn, pgprot_t pgprot); -extern pmd_t mk_pmd(struct page *page, pgprot_t pgprot); extern pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot); extern pud_t pud_modify(pud_t pud, pgprot_t newprot); extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, @@ -1380,36 +1360,6 @@ static inline bool arch_needs_pgtable_deposit(void) } extern void serialize_against_pte_lookup(struct mm_struct *mm); - -static inline pmd_t pmd_mkdevmap(pmd_t pmd) -{ - if (radix_enabled()) - return radix__pmd_mkdevmap(pmd); - return hash__pmd_mkdevmap(pmd); -} - -static inline pud_t pud_mkdevmap(pud_t pud) -{ - if (radix_enabled()) - return radix__pud_mkdevmap(pud); - BUG(); - return pud; -} - -static inline int pmd_devmap(pmd_t pmd) -{ - return pte_devmap(pmd_pte(pmd)); -} - -static inline int pud_devmap(pud_t pud) -{ - return pte_devmap(pud_pte(pud)); -} - -static inline int pgd_devmap(pgd_t pgd) -{ - return 0; -} #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ #define __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION @@ -1431,5 +1381,5 @@ static inline bool is_pte_rw_upgrade(unsigned long old_val, unsigned long new_va return false; } -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_BOOK3S_64_PGTABLE_H_ */ diff --git a/arch/powerpc/include/asm/book3s/64/pkeys.h b/arch/powerpc/include/asm/book3s/64/pkeys.h index 5b178139f3c0..ff911b4251d9 100644 --- a/arch/powerpc/include/asm/book3s/64/pkeys.h +++ b/arch/powerpc/include/asm/book3s/64/pkeys.h @@ -5,7 +5,7 @@ #include <asm/book3s/64/hash-pkey.h> -static inline u64 vmflag_to_pte_pkey_bits(u64 vm_flags) +static inline u64 vmflag_to_pte_pkey_bits(vm_flags_t vm_flags) { if (!mmu_has_feature(MMU_FTR_PKEY)) return 0x0UL; diff --git a/arch/powerpc/include/asm/book3s/64/radix.h b/arch/powerpc/include/asm/book3s/64/radix.h index 8f55ff74bb68..da954e779744 100644 --- a/arch/powerpc/include/asm/book3s/64/radix.h +++ b/arch/powerpc/include/asm/book3s/64/radix.h @@ -4,7 +4,7 @@ #include <asm/asm-const.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/cmpxchg.h> #endif @@ -14,7 +14,7 @@ #include <asm/book3s/64/radix-4k.h> #endif -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/book3s/64/tlbflush-radix.h> #include <asm/cpu_has_feature.h> #endif @@ -132,7 +132,7 @@ #define RADIX_VMEMMAP_SIZE RADIX_KERN_MAP_SIZE #define RADIX_VMEMMAP_END (RADIX_VMEMMAP_START + RADIX_VMEMMAP_SIZE) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define RADIX_PTE_TABLE_SIZE (sizeof(pte_t) << RADIX_PTE_INDEX_SIZE) #define RADIX_PMD_TABLE_SIZE (sizeof(pmd_t) << RADIX_PMD_INDEX_SIZE) #define RADIX_PUD_TABLE_SIZE (sizeof(pud_t) << RADIX_PUD_INDEX_SIZE) @@ -264,7 +264,7 @@ static inline int radix__p4d_bad(p4d_t p4d) static inline int radix__pmd_trans_huge(pmd_t pmd) { - return (pmd_val(pmd) & (_PAGE_PTE | _PAGE_DEVMAP)) == _PAGE_PTE; + return (pmd_val(pmd) & _PAGE_PTE) == _PAGE_PTE; } static inline pmd_t radix__pmd_mkhuge(pmd_t pmd) @@ -274,7 +274,7 @@ static inline pmd_t radix__pmd_mkhuge(pmd_t pmd) static inline int radix__pud_trans_huge(pud_t pud) { - return (pud_val(pud) & (_PAGE_PTE | _PAGE_DEVMAP)) == _PAGE_PTE; + return (pud_val(pud) & _PAGE_PTE) == _PAGE_PTE; } static inline pud_t radix__pud_mkhuge(pud_t pud) @@ -315,16 +315,6 @@ static inline int radix__has_transparent_pud_hugepage(void) } #endif -static inline pmd_t radix__pmd_mkdevmap(pmd_t pmd) -{ - return __pmd(pmd_val(pmd) | (_PAGE_PTE | _PAGE_DEVMAP)); -} - -static inline pud_t radix__pud_mkdevmap(pud_t pud) -{ - return __pud(pud_val(pud) | (_PAGE_PTE | _PAGE_DEVMAP)); -} - struct vmem_altmap; struct dev_pagemap; extern int __meminit radix__vmemmap_create_mapping(unsigned long start, @@ -372,5 +362,5 @@ int __meminit vmemmap_populate_compound_pages(unsigned long start_pfn, unsigned long start, unsigned long end, int node, struct dev_pagemap *pgmap); -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif diff --git a/arch/powerpc/include/asm/book3s/64/slice.h b/arch/powerpc/include/asm/book3s/64/slice.h index 5fbe18544cbd..6e2f7a74cd75 100644 --- a/arch/powerpc/include/asm/book3s/64/slice.h +++ b/arch/powerpc/include/asm/book3s/64/slice.h @@ -2,7 +2,7 @@ #ifndef _ASM_POWERPC_BOOK3S_64_SLICE_H #define _ASM_POWERPC_BOOK3S_64_SLICE_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #ifdef CONFIG_PPC_64S_HASH_MMU #ifdef CONFIG_HUGETLB_PAGE @@ -37,6 +37,6 @@ void slice_set_range_psize(struct mm_struct *mm, unsigned long start, void slice_init_new_context_exec(struct mm_struct *mm); void slice_setup_new_exec(void); -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_BOOK3S_64_SLICE_H */ diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h index 1db485aacbd9..0db48977c70c 100644 --- a/arch/powerpc/include/asm/bug.h +++ b/arch/powerpc/include/asm/bug.h @@ -7,7 +7,7 @@ #ifdef CONFIG_BUG -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ #include <asm/asm-offsets.h> #ifdef CONFIG_DEBUG_BUGVERBOSE .macro EMIT_BUG_ENTRY addr,file,line,flags @@ -31,7 +31,7 @@ .endm #endif /* verbose */ -#else /* !__ASSEMBLY__ */ +#else /* !__ASSEMBLER__ */ /* _EMIT_BUG_ENTRY expects args %0,%1,%2,%3 to be FILE, LINE, flags and sizeof(struct bug_entry), respectively */ #ifdef CONFIG_DEBUG_BUGVERBOSE @@ -51,11 +51,11 @@ ".previous\n" #endif -#define BUG_ENTRY(insn, flags, ...) \ +#define BUG_ENTRY(cond_str, insn, flags, ...) \ __asm__ __volatile__( \ "1: " insn "\n" \ _EMIT_BUG_ENTRY \ - : : "i" (__FILE__), "i" (__LINE__), \ + : : "i" (WARN_CONDITION_STR(cond_str) __FILE__), "i" (__LINE__), \ "i" (flags), \ "i" (sizeof(struct bug_entry)), \ ##__VA_ARGS__) @@ -67,12 +67,12 @@ */ #define BUG() do { \ - BUG_ENTRY("twi 31, 0, 0", 0); \ + BUG_ENTRY("", "twi 31, 0, 0", 0); \ unreachable(); \ } while (0) #define HAVE_ARCH_BUG -#define __WARN_FLAGS(flags) BUG_ENTRY("twi 31, 0, 0", BUGFLAG_WARNING | (flags)) +#define __WARN_FLAGS(cond_str, flags) BUG_ENTRY(cond_str, "twi 31, 0, 0", BUGFLAG_WARNING | (flags)) #ifdef CONFIG_PPC64 #define BUG_ON(x) do { \ @@ -80,7 +80,7 @@ if (x) \ BUG(); \ } else { \ - BUG_ENTRY(PPC_TLNEI " %4, 0", 0, "r" ((__force long)(x))); \ + BUG_ENTRY(#x, PPC_TLNEI " %4, 0", 0, "r" ((__force long)(x))); \ } \ } while (0) @@ -90,7 +90,7 @@ if (__ret_warn_on) \ __WARN(); \ } else { \ - BUG_ENTRY(PPC_TLNEI " %4, 0", \ + BUG_ENTRY(#x, PPC_TLNEI " %4, 0", \ BUGFLAG_WARNING | BUGFLAG_TAINT(TAINT_WARN), \ "r" (__ret_warn_on)); \ } \ @@ -101,12 +101,12 @@ #define HAVE_ARCH_WARN_ON #endif -#endif /* __ASSEMBLY __ */ +#endif /* __ASSEMBLER__ */ #else -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ .macro EMIT_BUG_ENTRY addr,file,line,flags .endm -#else /* !__ASSEMBLY__ */ +#else /* !__ASSEMBLER__ */ #define _EMIT_BUG_ENTRY #endif #endif /* CONFIG_BUG */ @@ -115,7 +115,7 @@ #include <asm-generic/bug.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ struct pt_regs; void hash__do_page_fault(struct pt_regs *); @@ -128,7 +128,7 @@ void die_mce(const char *str, struct pt_regs *regs, long err); extern bool die_will_crash(void); extern void panic_flush_kmsg_start(void); extern void panic_flush_kmsg_end(void); -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_BUG_H */ diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h index 69232231d270..6796babc4d31 100644 --- a/arch/powerpc/include/asm/cache.h +++ b/arch/powerpc/include/asm/cache.h @@ -37,7 +37,7 @@ #define ARCH_DMA_MINALIGN L1_CACHE_BYTES #endif -#if !defined(__ASSEMBLY__) +#if !defined(__ASSEMBLER__) #ifdef CONFIG_PPC64 struct ppc_cache_info { @@ -145,6 +145,6 @@ static inline void iccci(void *addr) asm volatile ("iccci 0, %0" : : "r"(addr) : "memory"); } -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_CACHE_H */ diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h index f2656774aaa9..1fea42928f64 100644 --- a/arch/powerpc/include/asm/cacheflush.h +++ b/arch/powerpc/include/asm/cacheflush.h @@ -40,8 +40,8 @@ static inline void flush_dcache_folio(struct folio *folio) if (cpu_has_feature(CPU_FTR_COHERENT_ICACHE)) return; /* avoid an atomic op if possible */ - if (test_bit(PG_dcache_clean, &folio->flags)) - clear_bit(PG_dcache_clean, &folio->flags); + if (test_bit(PG_dcache_clean, &folio->flags.f)) + clear_bit(PG_dcache_clean, &folio->flags.f); } #define flush_dcache_folio flush_dcache_folio diff --git a/arch/powerpc/include/asm/cell-pmu.h b/arch/powerpc/include/asm/cell-pmu.h index 6a79b5d1c44f..7fbefd64b4fb 100644 --- a/arch/powerpc/include/asm/cell-pmu.h +++ b/arch/powerpc/include/asm/cell-pmu.h @@ -20,36 +20,9 @@ /* Macros for the pm_control register. */ #define CBE_PM_16BIT_CTR(ctr) (1 << (24 - ((ctr) & (NR_PHYS_CTRS - 1)))) -#define CBE_PM_ENABLE_PERF_MON 0x80000000 -#define CBE_PM_STOP_AT_MAX 0x40000000 -#define CBE_PM_TRACE_MODE_GET(pm_control) (((pm_control) >> 28) & 0x3) -#define CBE_PM_TRACE_MODE_SET(mode) (((mode) & 0x3) << 28) -#define CBE_PM_TRACE_BUF_OVFLW(bit) (((bit) & 0x1) << 17) -#define CBE_PM_COUNT_MODE_SET(count) (((count) & 0x3) << 18) -#define CBE_PM_FREEZE_ALL_CTRS 0x00100000 -#define CBE_PM_ENABLE_EXT_TRACE 0x00008000 -#define CBE_PM_SPU_ADDR_TRACE_SET(msk) (((msk) & 0x3) << 9) /* Macros for the trace_address register. */ -#define CBE_PM_TRACE_BUF_FULL 0x00000800 #define CBE_PM_TRACE_BUF_EMPTY 0x00000400 -#define CBE_PM_TRACE_BUF_DATA_COUNT(ta) ((ta) & 0x3ff) -#define CBE_PM_TRACE_BUF_MAX_COUNT 0x400 - -/* Macros for the pm07_control registers. */ -#define CBE_PM_CTR_INPUT_MUX(pm07_control) (((pm07_control) >> 26) & 0x3f) -#define CBE_PM_CTR_INPUT_CONTROL 0x02000000 -#define CBE_PM_CTR_POLARITY 0x01000000 -#define CBE_PM_CTR_COUNT_CYCLES 0x00800000 -#define CBE_PM_CTR_ENABLE 0x00400000 -#define PM07_CTR_INPUT_MUX(x) (((x) & 0x3F) << 26) -#define PM07_CTR_INPUT_CONTROL(x) (((x) & 1) << 25) -#define PM07_CTR_POLARITY(x) (((x) & 1) << 24) -#define PM07_CTR_COUNT_CYCLES(x) (((x) & 1) << 23) -#define PM07_CTR_ENABLE(x) (((x) & 1) << 22) - -/* Macros for the pm_status register. */ -#define CBE_PM_CTR_OVERFLOW_INTR(ctr) (1 << (31 - ((ctr) & 7))) enum pm_reg_name { group_control, @@ -62,33 +35,4 @@ enum pm_reg_name { pm_start_stop, }; -/* Routines for reading/writing the PMU registers. */ -extern u32 cbe_read_phys_ctr(u32 cpu, u32 phys_ctr); -extern void cbe_write_phys_ctr(u32 cpu, u32 phys_ctr, u32 val); -extern u32 cbe_read_ctr(u32 cpu, u32 ctr); -extern void cbe_write_ctr(u32 cpu, u32 ctr, u32 val); - -extern u32 cbe_read_pm07_control(u32 cpu, u32 ctr); -extern void cbe_write_pm07_control(u32 cpu, u32 ctr, u32 val); -extern u32 cbe_read_pm(u32 cpu, enum pm_reg_name reg); -extern void cbe_write_pm(u32 cpu, enum pm_reg_name reg, u32 val); - -extern u32 cbe_get_ctr_size(u32 cpu, u32 phys_ctr); -extern void cbe_set_ctr_size(u32 cpu, u32 phys_ctr, u32 ctr_size); - -extern void cbe_enable_pm(u32 cpu); -extern void cbe_disable_pm(u32 cpu); - -extern void cbe_read_trace_buffer(u32 cpu, u64 *buf); - -extern void cbe_enable_pm_interrupts(u32 cpu, u32 thread, u32 mask); -extern void cbe_disable_pm_interrupts(u32 cpu); -extern u32 cbe_get_and_clear_pm_interrupts(u32 cpu); -extern void cbe_sync_irq(int node); - -#define CBE_COUNT_SUPERVISOR_MODE 0 -#define CBE_COUNT_HYPERVISOR_MODE 1 -#define CBE_COUNT_PROBLEM_MODE 2 -#define CBE_COUNT_ALL_MODES 3 - #endif /* __ASM_CELL_PMU_H__ */ diff --git a/arch/powerpc/include/asm/cell-regs.h b/arch/powerpc/include/asm/cell-regs.h index e1c431ef30e0..20f7339a3d4a 100644 --- a/arch/powerpc/include/asm/cell-regs.h +++ b/arch/powerpc/include/asm/cell-regs.h @@ -18,293 +18,6 @@ #include <asm/cell-pmu.h> -/* - * - * Some HID register definitions - * - */ - -/* CBE specific HID0 bits */ -#define HID0_CBE_THERM_WAKEUP 0x0000020000000000ul -#define HID0_CBE_SYSERR_WAKEUP 0x0000008000000000ul -#define HID0_CBE_THERM_INT_EN 0x0000000400000000ul -#define HID0_CBE_SYSERR_INT_EN 0x0000000200000000ul - -#define MAX_CBE 2 - -/* - * - * Pervasive unit register definitions - * - */ - -union spe_reg { - u64 val; - u8 spe[8]; -}; - -union ppe_spe_reg { - u64 val; - struct { - u32 ppe; - u32 spe; - }; -}; - - -struct cbe_pmd_regs { - /* Debug Bus Control */ - u64 pad_0x0000; /* 0x0000 */ - - u64 group_control; /* 0x0008 */ - - u8 pad_0x0010_0x00a8 [0x00a8 - 0x0010]; /* 0x0010 */ - - u64 debug_bus_control; /* 0x00a8 */ - - u8 pad_0x00b0_0x0100 [0x0100 - 0x00b0]; /* 0x00b0 */ - - u64 trace_aux_data; /* 0x0100 */ - u64 trace_buffer_0_63; /* 0x0108 */ - u64 trace_buffer_64_127; /* 0x0110 */ - u64 trace_address; /* 0x0118 */ - u64 ext_tr_timer; /* 0x0120 */ - - u8 pad_0x0128_0x0400 [0x0400 - 0x0128]; /* 0x0128 */ - - /* Performance Monitor */ - u64 pm_status; /* 0x0400 */ - u64 pm_control; /* 0x0408 */ - u64 pm_interval; /* 0x0410 */ - u64 pm_ctr[4]; /* 0x0418 */ - u64 pm_start_stop; /* 0x0438 */ - u64 pm07_control[8]; /* 0x0440 */ - - u8 pad_0x0480_0x0800 [0x0800 - 0x0480]; /* 0x0480 */ - - /* Thermal Sensor Registers */ - union spe_reg ts_ctsr1; /* 0x0800 */ - u64 ts_ctsr2; /* 0x0808 */ - union spe_reg ts_mtsr1; /* 0x0810 */ - u64 ts_mtsr2; /* 0x0818 */ - union spe_reg ts_itr1; /* 0x0820 */ - u64 ts_itr2; /* 0x0828 */ - u64 ts_gitr; /* 0x0830 */ - u64 ts_isr; /* 0x0838 */ - u64 ts_imr; /* 0x0840 */ - union spe_reg tm_cr1; /* 0x0848 */ - u64 tm_cr2; /* 0x0850 */ - u64 tm_simr; /* 0x0858 */ - union ppe_spe_reg tm_tpr; /* 0x0860 */ - union spe_reg tm_str1; /* 0x0868 */ - u64 tm_str2; /* 0x0870 */ - union ppe_spe_reg tm_tsr; /* 0x0878 */ - - /* Power Management */ - u64 pmcr; /* 0x0880 */ -#define CBE_PMD_PAUSE_ZERO_CONTROL 0x10000 - u64 pmsr; /* 0x0888 */ - - /* Time Base Register */ - u64 tbr; /* 0x0890 */ - - u8 pad_0x0898_0x0c00 [0x0c00 - 0x0898]; /* 0x0898 */ - - /* Fault Isolation Registers */ - u64 checkstop_fir; /* 0x0c00 */ - u64 recoverable_fir; /* 0x0c08 */ - u64 spec_att_mchk_fir; /* 0x0c10 */ - u32 fir_mode_reg; /* 0x0c18 */ - u8 pad_0x0c1c_0x0c20 [4]; /* 0x0c1c */ -#define CBE_PMD_FIR_MODE_M8 0x00800 - u64 fir_enable_mask; /* 0x0c20 */ - - u8 pad_0x0c28_0x0ca8 [0x0ca8 - 0x0c28]; /* 0x0c28 */ - u64 ras_esc_0; /* 0x0ca8 */ - u8 pad_0x0cb0_0x1000 [0x1000 - 0x0cb0]; /* 0x0cb0 */ -}; - -extern struct cbe_pmd_regs __iomem *cbe_get_pmd_regs(struct device_node *np); -extern struct cbe_pmd_regs __iomem *cbe_get_cpu_pmd_regs(int cpu); - -/* - * PMU shadow registers - * - * Many of the registers in the performance monitoring unit are write-only, - * so we need to save a copy of what we write to those registers. - * - * The actual data counters are read/write. However, writing to the counters - * only takes effect if the PMU is enabled. Otherwise the value is stored in - * a hardware latch until the next time the PMU is enabled. So we save a copy - * of the counter values if we need to read them back while the PMU is - * disabled. The counter_value_in_latch field is a bitmap indicating which - * counters currently have a value waiting to be written. - */ - -struct cbe_pmd_shadow_regs { - u32 group_control; - u32 debug_bus_control; - u32 trace_address; - u32 ext_tr_timer; - u32 pm_status; - u32 pm_control; - u32 pm_interval; - u32 pm_start_stop; - u32 pm07_control[NR_CTRS]; - - u32 pm_ctr[NR_PHYS_CTRS]; - u32 counter_value_in_latch; -}; - -extern struct cbe_pmd_shadow_regs *cbe_get_pmd_shadow_regs(struct device_node *np); -extern struct cbe_pmd_shadow_regs *cbe_get_cpu_pmd_shadow_regs(int cpu); - -/* - * - * IIC unit register definitions - * - */ - -struct cbe_iic_pending_bits { - u32 data; - u8 flags; - u8 class; - u8 source; - u8 prio; -}; - -#define CBE_IIC_IRQ_VALID 0x80 -#define CBE_IIC_IRQ_IPI 0x40 - -struct cbe_iic_thread_regs { - struct cbe_iic_pending_bits pending; - struct cbe_iic_pending_bits pending_destr; - u64 generate; - u64 prio; -}; - -struct cbe_iic_regs { - u8 pad_0x0000_0x0400[0x0400 - 0x0000]; /* 0x0000 */ - - /* IIC interrupt registers */ - struct cbe_iic_thread_regs thread[2]; /* 0x0400 */ - - u64 iic_ir; /* 0x0440 */ -#define CBE_IIC_IR_PRIO(x) (((x) & 0xf) << 12) -#define CBE_IIC_IR_DEST_NODE(x) (((x) & 0xf) << 4) -#define CBE_IIC_IR_DEST_UNIT(x) ((x) & 0xf) -#define CBE_IIC_IR_IOC_0 0x0 -#define CBE_IIC_IR_IOC_1S 0xb -#define CBE_IIC_IR_PT_0 0xe -#define CBE_IIC_IR_PT_1 0xf - - u64 iic_is; /* 0x0448 */ -#define CBE_IIC_IS_PMI 0x2 - - u8 pad_0x0450_0x0500[0x0500 - 0x0450]; /* 0x0450 */ - - /* IOC FIR */ - u64 ioc_fir_reset; /* 0x0500 */ - u64 ioc_fir_set; /* 0x0508 */ - u64 ioc_checkstop_enable; /* 0x0510 */ - u64 ioc_fir_error_mask; /* 0x0518 */ - u64 ioc_syserr_enable; /* 0x0520 */ - u64 ioc_fir; /* 0x0528 */ - - u8 pad_0x0530_0x1000[0x1000 - 0x0530]; /* 0x0530 */ -}; - -extern struct cbe_iic_regs __iomem *cbe_get_iic_regs(struct device_node *np); -extern struct cbe_iic_regs __iomem *cbe_get_cpu_iic_regs(int cpu); - - -struct cbe_mic_tm_regs { - u8 pad_0x0000_0x0040[0x0040 - 0x0000]; /* 0x0000 */ - - u64 mic_ctl_cnfg2; /* 0x0040 */ -#define CBE_MIC_ENABLE_AUX_TRC 0x8000000000000000LL -#define CBE_MIC_DISABLE_PWR_SAV_2 0x0200000000000000LL -#define CBE_MIC_DISABLE_AUX_TRC_WRAP 0x0100000000000000LL -#define CBE_MIC_ENABLE_AUX_TRC_INT 0x0080000000000000LL - - u64 pad_0x0048; /* 0x0048 */ - - u64 mic_aux_trc_base; /* 0x0050 */ - u64 mic_aux_trc_max_addr; /* 0x0058 */ - u64 mic_aux_trc_cur_addr; /* 0x0060 */ - u64 mic_aux_trc_grf_addr; /* 0x0068 */ - u64 mic_aux_trc_grf_data; /* 0x0070 */ - - u64 pad_0x0078; /* 0x0078 */ - - u64 mic_ctl_cnfg_0; /* 0x0080 */ -#define CBE_MIC_DISABLE_PWR_SAV_0 0x8000000000000000LL - - u64 pad_0x0088; /* 0x0088 */ - - u64 slow_fast_timer_0; /* 0x0090 */ - u64 slow_next_timer_0; /* 0x0098 */ - - u8 pad_0x00a0_0x00f8[0x00f8 - 0x00a0]; /* 0x00a0 */ - u64 mic_df_ecc_address_0; /* 0x00f8 */ - - u8 pad_0x0100_0x01b8[0x01b8 - 0x0100]; /* 0x0100 */ - u64 mic_df_ecc_address_1; /* 0x01b8 */ - - u64 mic_ctl_cnfg_1; /* 0x01c0 */ -#define CBE_MIC_DISABLE_PWR_SAV_1 0x8000000000000000LL - - u64 pad_0x01c8; /* 0x01c8 */ - - u64 slow_fast_timer_1; /* 0x01d0 */ - u64 slow_next_timer_1; /* 0x01d8 */ - - u8 pad_0x01e0_0x0208[0x0208 - 0x01e0]; /* 0x01e0 */ - u64 mic_exc; /* 0x0208 */ -#define CBE_MIC_EXC_BLOCK_SCRUB 0x0800000000000000ULL -#define CBE_MIC_EXC_FAST_SCRUB 0x0100000000000000ULL - - u64 mic_mnt_cfg; /* 0x0210 */ -#define CBE_MIC_MNT_CFG_CHAN_0_POP 0x0002000000000000ULL -#define CBE_MIC_MNT_CFG_CHAN_1_POP 0x0004000000000000ULL - - u64 mic_df_config; /* 0x0218 */ -#define CBE_MIC_ECC_DISABLE_0 0x4000000000000000ULL -#define CBE_MIC_ECC_REP_SINGLE_0 0x2000000000000000ULL -#define CBE_MIC_ECC_DISABLE_1 0x0080000000000000ULL -#define CBE_MIC_ECC_REP_SINGLE_1 0x0040000000000000ULL - - u8 pad_0x0220_0x0230[0x0230 - 0x0220]; /* 0x0220 */ - u64 mic_fir; /* 0x0230 */ -#define CBE_MIC_FIR_ECC_SINGLE_0_ERR 0x0200000000000000ULL -#define CBE_MIC_FIR_ECC_MULTI_0_ERR 0x0100000000000000ULL -#define CBE_MIC_FIR_ECC_SINGLE_1_ERR 0x0080000000000000ULL -#define CBE_MIC_FIR_ECC_MULTI_1_ERR 0x0040000000000000ULL -#define CBE_MIC_FIR_ECC_ERR_MASK 0xffff000000000000ULL -#define CBE_MIC_FIR_ECC_SINGLE_0_CTE 0x0000020000000000ULL -#define CBE_MIC_FIR_ECC_MULTI_0_CTE 0x0000010000000000ULL -#define CBE_MIC_FIR_ECC_SINGLE_1_CTE 0x0000008000000000ULL -#define CBE_MIC_FIR_ECC_MULTI_1_CTE 0x0000004000000000ULL -#define CBE_MIC_FIR_ECC_CTE_MASK 0x0000ffff00000000ULL -#define CBE_MIC_FIR_ECC_SINGLE_0_RESET 0x0000000002000000ULL -#define CBE_MIC_FIR_ECC_MULTI_0_RESET 0x0000000001000000ULL -#define CBE_MIC_FIR_ECC_SINGLE_1_RESET 0x0000000000800000ULL -#define CBE_MIC_FIR_ECC_MULTI_1_RESET 0x0000000000400000ULL -#define CBE_MIC_FIR_ECC_RESET_MASK 0x00000000ffff0000ULL -#define CBE_MIC_FIR_ECC_SINGLE_0_SET 0x0000000000000200ULL -#define CBE_MIC_FIR_ECC_MULTI_0_SET 0x0000000000000100ULL -#define CBE_MIC_FIR_ECC_SINGLE_1_SET 0x0000000000000080ULL -#define CBE_MIC_FIR_ECC_MULTI_1_SET 0x0000000000000040ULL -#define CBE_MIC_FIR_ECC_SET_MASK 0x000000000000ffffULL - u64 mic_fir_debug; /* 0x0238 */ - - u8 pad_0x0240_0x1000[0x1000 - 0x0240]; /* 0x0240 */ -}; - -extern struct cbe_mic_tm_regs __iomem *cbe_get_mic_tm_regs(struct device_node *np); -extern struct cbe_mic_tm_regs __iomem *cbe_get_cpu_mic_tm_regs(int cpu); - - /* Cell page table entries */ #define CBE_IOPTE_PP_W 0x8000000000000000ul /* protection: write */ #define CBE_IOPTE_PP_R 0x4000000000000000ul /* protection: read */ @@ -315,13 +28,4 @@ extern struct cbe_mic_tm_regs __iomem *cbe_get_cpu_mic_tm_regs(int cpu); #define CBE_IOPTE_H 0x0000000000000800ul /* cache hint */ #define CBE_IOPTE_IOID_Mask 0x00000000000007fful /* ioid */ -/* some utility functions to deal with SMT */ -extern u32 cbe_get_hw_thread_id(int cpu); -extern u32 cbe_cpu_to_node(int cpu); -extern u32 cbe_node_to_cpu(int node); - -/* Init this module early */ -extern void cbe_regs_init(void); - - #endif /* CBE_REGS_H */ diff --git a/arch/powerpc/include/asm/copro.h b/arch/powerpc/include/asm/copro.h index fd2e166ea02a..81bd176203ab 100644 --- a/arch/powerpc/include/asm/copro.h +++ b/arch/powerpc/include/asm/copro.h @@ -18,10 +18,4 @@ int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea, int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb); - -#ifdef CONFIG_PPC_COPRO_BASE -void copro_flush_all_slbs(struct mm_struct *mm); -#else -static inline void copro_flush_all_slbs(struct mm_struct *mm) {} -#endif #endif /* _ASM_POWERPC_COPRO_H */ diff --git a/arch/powerpc/include/asm/cpu_has_feature.h b/arch/powerpc/include/asm/cpu_has_feature.h index bf8a228229fa..604fa3b6c33d 100644 --- a/arch/powerpc/include/asm/cpu_has_feature.h +++ b/arch/powerpc/include/asm/cpu_has_feature.h @@ -2,7 +2,7 @@ #ifndef __ASM_POWERPC_CPU_HAS_FEATURE_H #define __ASM_POWERPC_CPU_HAS_FEATURE_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/bug.h> #include <asm/cputable.h> @@ -51,5 +51,5 @@ static __always_inline bool cpu_has_feature(unsigned long feature) } #endif -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __ASM_POWERPC_CPU_HAS_FEATURE_H */ diff --git a/arch/powerpc/include/asm/cpuidle.h b/arch/powerpc/include/asm/cpuidle.h index 0cce5dc7fb1c..054cd2fcfd55 100644 --- a/arch/powerpc/include/asm/cpuidle.h +++ b/arch/powerpc/include/asm/cpuidle.h @@ -68,7 +68,7 @@ #define ERR_EC_ESL_MISMATCH -1 #define ERR_DEEP_STATE_ESL_MISMATCH -2 -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define PNV_IDLE_NAME_LEN 16 struct pnv_idle_states_t { diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index 29a529d2ab8b..ec16c12296da 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -7,7 +7,7 @@ #include <uapi/asm/cputable.h> #include <asm/asm-const.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* This structure can grow, it's real size is used by head.S code * via the mkdefs mechanism. @@ -103,7 +103,7 @@ extern void cpu_feature_keys_init(void); static inline void cpu_feature_keys_init(void) { } #endif -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ /* CPU kernel features */ @@ -195,7 +195,7 @@ static inline void cpu_feature_keys_init(void) { } #define CPU_FTR_DEXCR_NPHIE LONG_ASM_CONST(0x0010000000000000) #define CPU_FTR_P11_PVR LONG_ASM_CONST(0x0020000000000000) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define CPU_FTR_PPCAS_ARCH_V2 (CPU_FTR_NOEXECUTE) @@ -602,6 +602,6 @@ enum { */ #define HBP_NUM_MAX 2 -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* __ASM_POWERPC_CPUTABLE_H */ diff --git a/arch/powerpc/include/asm/cputhreads.h b/arch/powerpc/include/asm/cputhreads.h index f26c430f3982..d06f2b20b810 100644 --- a/arch/powerpc/include/asm/cputhreads.h +++ b/arch/powerpc/include/asm/cputhreads.h @@ -2,7 +2,7 @@ #ifndef _ASM_POWERPC_CPUTHREADS_H #define _ASM_POWERPC_CPUTHREADS_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/cpumask.h> #include <asm/cpu_has_feature.h> @@ -107,7 +107,7 @@ static inline u32 get_tensr(void) void book3e_start_thread(int thread, unsigned long addr); void book3e_stop_thread(int thread); -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #define INVALID_THREAD_HWID 0x0fff diff --git a/arch/powerpc/include/asm/crash_reserve.h b/arch/powerpc/include/asm/crash_reserve.h new file mode 100644 index 000000000000..d1b570ddbf98 --- /dev/null +++ b/arch/powerpc/include/asm/crash_reserve.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_POWERPC_CRASH_RESERVE_H +#define _ASM_POWERPC_CRASH_RESERVE_H + +/* crash kernel regions are Page size agliged */ +#define CRASH_ALIGN PAGE_SIZE + +#ifdef CONFIG_ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION +static inline bool arch_add_crash_res_to_iomem(void) +{ + return false; +} +#define arch_add_crash_res_to_iomem arch_add_crash_res_to_iomem +#endif + +#endif /* _ASM_POWERPC_CRASH_RESERVE_H */ diff --git a/arch/powerpc/include/asm/dbell.h b/arch/powerpc/include/asm/dbell.h index 3e9da22a2779..0b9ef726f92c 100644 --- a/arch/powerpc/include/asm/dbell.h +++ b/arch/powerpc/include/asm/dbell.h @@ -40,12 +40,6 @@ static inline void _ppc_msgsnd(u32 msg) : : "i" (CPU_FTR_HVMODE), "r" (msg)); } -/* sync before sending message */ -static inline void ppc_msgsnd_sync(void) -{ - __asm__ __volatile__ ("sync" : : : "memory"); -} - /* sync after taking message interrupt */ static inline void ppc_msgsync(void) { @@ -76,12 +70,6 @@ static inline void _ppc_msgsnd(u32 msg) __asm__ __volatile__ (PPC_MSGSND(%0) : : "r" (msg)); } -/* sync before sending message */ -static inline void ppc_msgsnd_sync(void) -{ - __asm__ __volatile__ ("sync" : : : "memory"); -} - /* sync after taking message interrupt */ static inline void ppc_msgsync(void) { @@ -91,6 +79,12 @@ static inline void ppc_msgsync(void) extern void doorbell_exception(struct pt_regs *regs); +/* sync before sending message */ +static inline void ppc_msgsnd_sync(void) +{ + __asm__ __volatile__ ("sync" : : : "memory"); +} + static inline void ppc_msgsnd(enum ppc_dbell type, u32 flags, u32 tag) { u32 msg = PPC_DBELL_TYPE(type) | (flags & PPC_DBELL_MSG_BRDCAST) | diff --git a/arch/powerpc/include/asm/dcr-generic.h b/arch/powerpc/include/asm/dcr-generic.h deleted file mode 100644 index 099c28dd40b9..000000000000 --- a/arch/powerpc/include/asm/dcr-generic.h +++ /dev/null @@ -1,36 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - */ - -#ifndef _ASM_POWERPC_DCR_GENERIC_H -#define _ASM_POWERPC_DCR_GENERIC_H -#ifdef __KERNEL__ -#ifndef __ASSEMBLY__ - -enum host_type_t {DCR_HOST_MMIO, DCR_HOST_NATIVE, DCR_HOST_INVALID}; - -typedef struct { - enum host_type_t type; - union { - dcr_host_mmio_t mmio; - dcr_host_native_t native; - } host; -} dcr_host_t; - -extern bool dcr_map_ok_generic(dcr_host_t host); - -extern dcr_host_t dcr_map_generic(struct device_node *dev, unsigned int dcr_n, - unsigned int dcr_c); -extern void dcr_unmap_generic(dcr_host_t host, unsigned int dcr_c); - -extern u32 dcr_read_generic(dcr_host_t host, unsigned int dcr_n); - -extern void dcr_write_generic(dcr_host_t host, unsigned int dcr_n, u32 value); - -#endif /* __ASSEMBLY__ */ -#endif /* __KERNEL__ */ -#endif /* _ASM_POWERPC_DCR_GENERIC_H */ - - diff --git a/arch/powerpc/include/asm/dcr-mmio.h b/arch/powerpc/include/asm/dcr-mmio.h deleted file mode 100644 index fc6d93ef4a13..000000000000 --- a/arch/powerpc/include/asm/dcr-mmio.h +++ /dev/null @@ -1,44 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - */ - -#ifndef _ASM_POWERPC_DCR_MMIO_H -#define _ASM_POWERPC_DCR_MMIO_H -#ifdef __KERNEL__ - -#include <asm/io.h> - -typedef struct { - void __iomem *token; - unsigned int stride; - unsigned int base; -} dcr_host_mmio_t; - -static inline bool dcr_map_ok_mmio(dcr_host_mmio_t host) -{ - return host.token != NULL; -} - -extern dcr_host_mmio_t dcr_map_mmio(struct device_node *dev, - unsigned int dcr_n, - unsigned int dcr_c); -extern void dcr_unmap_mmio(dcr_host_mmio_t host, unsigned int dcr_c); - -static inline u32 dcr_read_mmio(dcr_host_mmio_t host, unsigned int dcr_n) -{ - return in_be32(host.token + ((host.base + dcr_n) * host.stride)); -} - -static inline void dcr_write_mmio(dcr_host_mmio_t host, - unsigned int dcr_n, - u32 value) -{ - out_be32(host.token + ((host.base + dcr_n) * host.stride), value); -} - -#endif /* __KERNEL__ */ -#endif /* _ASM_POWERPC_DCR_MMIO_H */ - - diff --git a/arch/powerpc/include/asm/dcr-native.h b/arch/powerpc/include/asm/dcr-native.h index a92059964579..65b3fc2dc404 100644 --- a/arch/powerpc/include/asm/dcr-native.h +++ b/arch/powerpc/include/asm/dcr-native.h @@ -7,7 +7,7 @@ #ifndef _ASM_POWERPC_DCR_NATIVE_H #define _ASM_POWERPC_DCR_NATIVE_H #ifdef __KERNEL__ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/spinlock.h> #include <asm/cputable.h> @@ -139,6 +139,6 @@ static inline void __dcri_clrset(int base_addr, int base_data, int reg, DCRN_ ## base ## _CONFIG_DATA, \ reg, clr, set) -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_DCR_NATIVE_H */ diff --git a/arch/powerpc/include/asm/dcr.h b/arch/powerpc/include/asm/dcr.h index 64030e3a1f30..3c0fac2cc2b2 100644 --- a/arch/powerpc/include/asm/dcr.h +++ b/arch/powerpc/include/asm/dcr.h @@ -7,49 +7,17 @@ #ifndef _ASM_POWERPC_DCR_H #define _ASM_POWERPC_DCR_H #ifdef __KERNEL__ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #ifdef CONFIG_PPC_DCR -#ifdef CONFIG_PPC_DCR_NATIVE #include <asm/dcr-native.h> -#endif -#ifdef CONFIG_PPC_DCR_MMIO -#include <asm/dcr-mmio.h> -#endif - - -/* Indirection layer for providing both NATIVE and MMIO support. */ - -#if defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO) - -#include <asm/dcr-generic.h> - -#define DCR_MAP_OK(host) dcr_map_ok_generic(host) -#define dcr_map(dev, dcr_n, dcr_c) dcr_map_generic(dev, dcr_n, dcr_c) -#define dcr_unmap(host, dcr_c) dcr_unmap_generic(host, dcr_c) -#define dcr_read(host, dcr_n) dcr_read_generic(host, dcr_n) -#define dcr_write(host, dcr_n, value) dcr_write_generic(host, dcr_n, value) - -#else - -#ifdef CONFIG_PPC_DCR_NATIVE typedef dcr_host_native_t dcr_host_t; #define DCR_MAP_OK(host) dcr_map_ok_native(host) #define dcr_map(dev, dcr_n, dcr_c) dcr_map_native(dev, dcr_n, dcr_c) #define dcr_unmap(host, dcr_c) dcr_unmap_native(host, dcr_c) #define dcr_read(host, dcr_n) dcr_read_native(host, dcr_n) #define dcr_write(host, dcr_n, value) dcr_write_native(host, dcr_n, value) -#else -typedef dcr_host_mmio_t dcr_host_t; -#define DCR_MAP_OK(host) dcr_map_ok_mmio(host) -#define dcr_map(dev, dcr_n, dcr_c) dcr_map_mmio(dev, dcr_n, dcr_c) -#define dcr_unmap(host, dcr_c) dcr_unmap_mmio(host, dcr_c) -#define dcr_read(host, dcr_n) dcr_read_mmio(host, dcr_n) -#define dcr_write(host, dcr_n, value) dcr_write_mmio(host, dcr_n, value) -#endif - -#endif /* defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO) */ /* * additional helpers to read the DCR * base from the device-tree @@ -60,6 +28,6 @@ extern unsigned int dcr_resource_start(const struct device_node *np, extern unsigned int dcr_resource_len(const struct device_node *np, unsigned int index); #endif /* CONFIG_PPC_DCR */ -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_DCR_H */ diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h index 47ed639f3b8f..a4dc27655b3e 100644 --- a/arch/powerpc/include/asm/device.h +++ b/arch/powerpc/include/asm/device.h @@ -38,9 +38,6 @@ struct dev_archdata { #ifdef CONFIG_FAIL_IOMMU int fail_iommu; #endif -#ifdef CONFIG_CXL_BASE - struct cxl_context *cxl_ctx; -#endif #ifdef CONFIG_PCI_IOV void *iov_data; #endif diff --git a/arch/powerpc/include/asm/epapr_hcalls.h b/arch/powerpc/include/asm/epapr_hcalls.h index cdf3c6df5123..8fc5aaa4bbba 100644 --- a/arch/powerpc/include/asm/epapr_hcalls.h +++ b/arch/powerpc/include/asm/epapr_hcalls.h @@ -52,7 +52,7 @@ #include <uapi/asm/epapr_hcalls.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/types.h> #include <linux/errno.h> #include <asm/byteorder.h> @@ -571,5 +571,5 @@ static inline long epapr_hypercall4(unsigned int nr, unsigned long p1, in[3] = p4; return epapr_hypercall(in, out, nr); } -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* _EPAPR_HCALLS_H */ diff --git a/arch/powerpc/include/asm/exception-64e.h b/arch/powerpc/include/asm/exception-64e.h index b1ef1e92c34a..1a83b1ff3578 100644 --- a/arch/powerpc/include/asm/exception-64e.h +++ b/arch/powerpc/include/asm/exception-64e.h @@ -149,7 +149,7 @@ exc_##label##_book3e: addi r11,r13,PACA_EXTLB; \ TLB_MISS_RESTORE(r11) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ extern unsigned int interrupt_base_book3e; #endif diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index bb6f78fcf981..a9437e89f69f 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -53,7 +53,7 @@ */ #define MAX_MCE_DEPTH 4 -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ #define STF_ENTRY_BARRIER_SLOT \ STF_ENTRY_BARRIER_FIXUP_SECTION; \ @@ -170,9 +170,9 @@ RFSCV; \ b rfscv_flush_fallback -#else /* __ASSEMBLY__ */ +#else /* __ASSEMBLER__ */ /* Prototype for function defined in exceptions-64s.S */ void do_uaccess_flush(void); -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_EXCEPTION_H */ diff --git a/arch/powerpc/include/asm/extable.h b/arch/powerpc/include/asm/extable.h index 26ce2e5c0fa8..d483a9c24ba9 100644 --- a/arch/powerpc/include/asm/extable.h +++ b/arch/powerpc/include/asm/extable.h @@ -17,7 +17,7 @@ #define ARCH_HAS_RELATIVE_EXTABLE -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ struct exception_table_entry { int insn; diff --git a/arch/powerpc/include/asm/feature-fixups.h b/arch/powerpc/include/asm/feature-fixups.h index 17d168dd8b49..756a6c694018 100644 --- a/arch/powerpc/include/asm/feature-fixups.h +++ b/arch/powerpc/include/asm/feature-fixups.h @@ -168,7 +168,7 @@ label##5: \ #define ALT_FW_FTR_SECTION_END_IFCLR(msk) \ ALT_FW_FTR_SECTION_END_NESTED_IFCLR(msk, 97) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define ASM_FTR_IF(section_if, section_else, msk, val) \ stringify_in_c(BEGIN_FTR_SECTION) \ @@ -196,7 +196,7 @@ label##5: \ #define ASM_MMU_FTR_IFCLR(section_if, section_else, msk) \ ASM_MMU_FTR_IF(section_if, section_else, (msk), 0) -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ /* LWSYNC feature sections */ #define START_LWSYNC_SECTION(label) label##1: @@ -276,7 +276,7 @@ label##3: \ FTR_ENTRY_OFFSET 956b-957b; \ .popsection; -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/types.h> extern long stf_barrier_fallback; diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h index 69ae9cf57d50..abd7c56f4d55 100644 --- a/arch/powerpc/include/asm/firmware.h +++ b/arch/powerpc/include/asm/firmware.h @@ -58,7 +58,7 @@ #define FW_FEATURE_WATCHDOG ASM_CONST(0x0000080000000000) #define FW_FEATURE_PLPKS ASM_CONST(0x0000100000000000) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ enum { #ifdef CONFIG_PPC64 @@ -146,6 +146,6 @@ void pseries_probe_fw_features(void); static inline void pseries_probe_fw_features(void) { } #endif -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_FIRMWARE_H */ diff --git a/arch/powerpc/include/asm/fixmap.h b/arch/powerpc/include/asm/fixmap.h index f9068dd8dfce..bc5109eab5b7 100644 --- a/arch/powerpc/include/asm/fixmap.h +++ b/arch/powerpc/include/asm/fixmap.h @@ -14,7 +14,7 @@ #ifndef _ASM_FIXMAP_H #define _ASM_FIXMAP_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/sizes.h> #include <linux/pgtable.h> #include <asm/page.h> @@ -111,5 +111,5 @@ static inline void __set_fixmap(enum fixed_addresses idx, #define VIRT_IMMR_BASE (__fix_to_virt(FIX_IMMR_BASE)) #endif -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif diff --git a/arch/powerpc/include/asm/floppy.h b/arch/powerpc/include/asm/floppy.h index f8ce178b43b7..f4dc657638b3 100644 --- a/arch/powerpc/include/asm/floppy.h +++ b/arch/powerpc/include/asm/floppy.h @@ -144,9 +144,12 @@ static int hard_dma_setup(char *addr, unsigned long size, int mode, int io) bus_addr = 0; } - if (!bus_addr) /* need to map it */ + if (!bus_addr) { /* need to map it */ bus_addr = dma_map_single(&isa_bridge_pcidev->dev, addr, size, dir); + if (dma_mapping_error(&isa_bridge_pcidev->dev, bus_addr)) + return -ENOMEM; + } /* remember this one as prev */ prev_addr = addr; @@ -203,11 +206,6 @@ static int FDC2 = -1; #define N_FDC 2 /* Don't change this! */ #define N_DRIVE 8 -/* - * The PowerPC has no problems with floppy DMA crossing 64k borders. - */ -#define CROSS_64KB(a,s) (0) - #define EXTRA_FLOPPY_PARAMS #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/fprobe.h b/arch/powerpc/include/asm/fprobe.h new file mode 100644 index 000000000000..d64bc28fb3d3 --- /dev/null +++ b/arch/powerpc/include/asm/fprobe.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_PPC_FPROBE_H +#define _ASM_PPC_FPROBE_H + +#include <asm-generic/fprobe.h> + +#ifdef CONFIG_64BIT +#undef FPROBE_HEADER_MSB_PATTERN +#define FPROBE_HEADER_MSB_PATTERN (PAGE_OFFSET & ~FPROBE_HEADER_MSB_MASK) +#endif + +#endif /* _ASM_PPC_FPROBE_H */ diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h index db481b336bca..5984eaa75ce8 100644 --- a/arch/powerpc/include/asm/ftrace.h +++ b/arch/powerpc/include/asm/ftrace.h @@ -15,7 +15,7 @@ #define FTRACE_MCOUNT_MAX_OFFSET 8 #endif -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ extern void _mcount(void); unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip, @@ -43,6 +43,28 @@ static __always_inline struct pt_regs *arch_ftrace_get_regs(struct ftrace_regs * return arch_ftrace_regs(fregs)->regs.msr ? &arch_ftrace_regs(fregs)->regs : NULL; } +#define arch_ftrace_fill_perf_regs(fregs, _regs) do { \ + (_regs)->result = 0; \ + (_regs)->nip = arch_ftrace_regs(fregs)->regs.nip; \ + (_regs)->gpr[1] = arch_ftrace_regs(fregs)->regs.gpr[1]; \ + asm volatile("mfmsr %0" : "=r" ((_regs)->msr)); \ + } while (0) + +#undef ftrace_regs_get_return_value +static __always_inline unsigned long +ftrace_regs_get_return_value(const struct ftrace_regs *fregs) +{ + return arch_ftrace_regs(fregs)->regs.gpr[3]; +} +#define ftrace_regs_get_return_value ftrace_regs_get_return_value + +#undef ftrace_regs_get_frame_pointer +static __always_inline unsigned long +ftrace_regs_get_frame_pointer(const struct ftrace_regs *fregs) +{ + return arch_ftrace_regs(fregs)->regs.gpr[1]; +} + static __always_inline void ftrace_regs_set_instruction_pointer(struct ftrace_regs *fregs, unsigned long ip) @@ -50,20 +72,26 @@ ftrace_regs_set_instruction_pointer(struct ftrace_regs *fregs, regs_set_return_ip(&arch_ftrace_regs(fregs)->regs, ip); } +static __always_inline unsigned long +ftrace_regs_get_return_address(struct ftrace_regs *fregs) +{ + return arch_ftrace_regs(fregs)->regs.link; +} + struct ftrace_ops; #define ftrace_graph_func ftrace_graph_func void ftrace_graph_func(unsigned long ip, unsigned long parent_ip, struct ftrace_ops *op, struct ftrace_regs *fregs); #endif -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS #define ARCH_SUPPORTS_FTRACE_OPS 1 #endif #endif /* CONFIG_FUNCTION_TRACER */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #ifdef CONFIG_FTRACE_SYSCALLS /* * Some syscall entry functions on powerpc start with "ppc_" (fork and clone, @@ -147,6 +175,6 @@ static inline void arch_ftrace_set_direct_caller(struct ftrace_regs *fregs, unsi static inline void ftrace_free_init_tramp(void) { } static inline unsigned long ftrace_call_adjust(unsigned long addr) { return addr; } #endif -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* _ASM_POWERPC_FTRACE */ diff --git a/arch/powerpc/include/asm/guest-state-buffer.h b/arch/powerpc/include/asm/guest-state-buffer.h index d107abe1468f..acd61eb36d59 100644 --- a/arch/powerpc/include/asm/guest-state-buffer.h +++ b/arch/powerpc/include/asm/guest-state-buffer.h @@ -28,6 +28,21 @@ /* Process Table Info */ #define KVMPPC_GSID_PROCESS_TABLE 0x0006 +/* Guest Management Heap Size */ +#define KVMPPC_GSID_L0_GUEST_HEAP 0x0800 + +/* Guest Management Heap Max Size */ +#define KVMPPC_GSID_L0_GUEST_HEAP_MAX 0x0801 + +/* Guest Pagetable Size */ +#define KVMPPC_GSID_L0_GUEST_PGTABLE_SIZE 0x0802 + +/* Guest Pagetable Max Size */ +#define KVMPPC_GSID_L0_GUEST_PGTABLE_SIZE_MAX 0x0803 + +/* Guest Pagetable Reclaim in bytes */ +#define KVMPPC_GSID_L0_GUEST_PGTABLE_RECLAIM 0x0804 + /* H_GUEST_RUN_VCPU input buffer Info */ #define KVMPPC_GSID_RUN_INPUT 0x0C00 /* H_GUEST_RUN_VCPU output buffer Info */ @@ -106,6 +121,11 @@ #define KVMPPC_GSE_GUESTWIDE_COUNT \ (KVMPPC_GSE_GUESTWIDE_END - KVMPPC_GSE_GUESTWIDE_START + 1) +#define KVMPPC_GSE_HOSTWIDE_START KVMPPC_GSID_L0_GUEST_HEAP +#define KVMPPC_GSE_HOSTWIDE_END KVMPPC_GSID_L0_GUEST_PGTABLE_RECLAIM +#define KVMPPC_GSE_HOSTWIDE_COUNT \ + (KVMPPC_GSE_HOSTWIDE_END - KVMPPC_GSE_HOSTWIDE_START + 1) + #define KVMPPC_GSE_META_START KVMPPC_GSID_RUN_INPUT #define KVMPPC_GSE_META_END KVMPPC_GSID_VPA #define KVMPPC_GSE_META_COUNT (KVMPPC_GSE_META_END - KVMPPC_GSE_META_START + 1) @@ -130,7 +150,8 @@ (KVMPPC_GSE_INTR_REGS_END - KVMPPC_GSE_INTR_REGS_START + 1) #define KVMPPC_GSE_IDEN_COUNT \ - (KVMPPC_GSE_GUESTWIDE_COUNT + KVMPPC_GSE_META_COUNT + \ + (KVMPPC_GSE_HOSTWIDE_COUNT + \ + KVMPPC_GSE_GUESTWIDE_COUNT + KVMPPC_GSE_META_COUNT + \ KVMPPC_GSE_DW_REGS_COUNT + KVMPPC_GSE_W_REGS_COUNT + \ KVMPPC_GSE_VSRS_COUNT + KVMPPC_GSE_INTR_REGS_COUNT) @@ -139,10 +160,11 @@ */ enum { KVMPPC_GS_CLASS_GUESTWIDE = 0x01, - KVMPPC_GS_CLASS_META = 0x02, - KVMPPC_GS_CLASS_DWORD_REG = 0x04, - KVMPPC_GS_CLASS_WORD_REG = 0x08, - KVMPPC_GS_CLASS_VECTOR = 0x10, + KVMPPC_GS_CLASS_HOSTWIDE = 0x02, + KVMPPC_GS_CLASS_META = 0x04, + KVMPPC_GS_CLASS_DWORD_REG = 0x08, + KVMPPC_GS_CLASS_WORD_REG = 0x10, + KVMPPC_GS_CLASS_VECTOR = 0x18, KVMPPC_GS_CLASS_INTR = 0x20, }; @@ -164,6 +186,7 @@ enum { */ enum { KVMPPC_GS_FLAGS_WIDE = 0x01, + KVMPPC_GS_FLAGS_HOST_WIDE = 0x02, }; /** @@ -287,7 +310,7 @@ struct kvmppc_gs_msg_ops { * struct kvmppc_gs_msg - a guest state message * @bitmap: the guest state ids that should be included * @ops: modify message behavior for reading and writing to buffers - * @flags: guest wide or thread wide + * @flags: host wide, guest wide or thread wide * @data: location where buffer data will be written to or from. * * A guest state message is allows flexibility in sending in receiving data diff --git a/arch/powerpc/include/asm/head-64.h b/arch/powerpc/include/asm/head-64.h index d73153b0275d..3966bd5810cb 100644 --- a/arch/powerpc/include/asm/head-64.h +++ b/arch/powerpc/include/asm/head-64.h @@ -4,7 +4,7 @@ #include <asm/cache.h> -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ /* * We can't do CPP stringification and concatination directly into the section * name for some reason, so these macros can do it for us. @@ -167,6 +167,6 @@ name: // find label from _within_ sname #define ABS_ADDR(label, sname) (label - start_ ## sname + sname ## _start) -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_HEAD_64_H */ diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index 18a3028ac3b6..86326587e58d 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -15,6 +15,15 @@ extern bool hugetlb_disabled; +static inline bool hugepages_supported(void) +{ + if (hugetlb_disabled) + return false; + + return HPAGE_SHIFT != 0; +} +#define hugepages_supported hugepages_supported + void __init hugetlbpage_init_defaultsize(void); int slice_is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, @@ -36,7 +45,8 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) + unsigned long addr, pte_t *ptep, + unsigned long sz) { return __pte(pte_update(mm, addr, ptep, ~0UL, 0, 1)); } @@ -46,8 +56,9 @@ static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { pte_t pte; + unsigned long sz = huge_page_size(hstate_vma(vma)); - pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep); + pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep, sz); flush_hugetlb_page(vma, addr); return pte; } diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index 65d1f291393d..9aef16149d92 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -270,6 +270,7 @@ #define H_QUERY_INT_STATE 0x1E4 #define H_POLL_PENDING 0x1D8 #define H_ILLAN_ATTRIBUTES 0x244 +#define H_ADD_LOGICAL_LAN_BUFFERS 0x248 #define H_MODIFY_HEA_QP 0x250 #define H_QUERY_HEA_QP 0x254 #define H_QUERY_HEA 0x258 @@ -348,6 +349,7 @@ #define H_SCM_FLUSH 0x44C #define H_GET_ENERGY_SCALE_INFO 0x450 #define H_PKS_SIGNED_UPDATE 0x454 +#define H_HTM 0x458 #define H_WATCHDOG 0x45C #define H_GUEST_GET_CAPABILITIES 0x460 #define H_GUEST_SET_CAPABILITIES 0x464 @@ -489,16 +491,50 @@ #define H_RPTI_PAGE_ALL (-1UL) /* Flags for H_GUEST_{S,G}_STATE */ -#define H_GUEST_FLAGS_WIDE (1UL<<(63-0)) +#define H_GUEST_FLAGS_WIDE (1UL << (63 - 0)) +#define H_GUEST_FLAGS_HOST_WIDE (1UL << (63 - 1)) /* Flag values used for H_{S,G}SET_GUEST_CAPABILITIES */ -#define H_GUEST_CAP_COPY_MEM (1UL<<(63-0)) -#define H_GUEST_CAP_POWER9 (1UL<<(63-1)) -#define H_GUEST_CAP_POWER10 (1UL<<(63-2)) -#define H_GUEST_CAP_POWER11 (1UL<<(63-3)) -#define H_GUEST_CAP_BITMAP2 (1UL<<(63-63)) +#define H_GUEST_CAP_COPY_MEM (1UL << (63 - 0)) +#define H_GUEST_CAP_POWER9 (1UL << (63 - 1)) +#define H_GUEST_CAP_POWER10 (1UL << (63 - 2)) +#define H_GUEST_CAP_POWER11 (1UL << (63 - 3)) +#define H_GUEST_CAP_BITMAP2 (1UL << (63 - 63)) -#ifndef __ASSEMBLY__ +/* + * Defines for H_HTM - Macros for hardware trace macro (HTM) function. + */ +#define H_HTM_FLAGS_HARDWARE_TARGET (1ul << 63) +#define H_HTM_FLAGS_LOGICAL_TARGET (1ul << 62) +#define H_HTM_FLAGS_PROCID_TARGET (1ul << 61) +#define H_HTM_FLAGS_NOWRAP (1ul << 60) + +#define H_HTM_OP_SHIFT (63-15) +#define H_HTM_OP(x) ((unsigned long)(x)<<H_HTM_OP_SHIFT) +#define H_HTM_OP_CAPABILITIES 0x01 +#define H_HTM_OP_STATUS 0x02 +#define H_HTM_OP_SETUP 0x03 +#define H_HTM_OP_CONFIGURE 0x04 +#define H_HTM_OP_START 0x05 +#define H_HTM_OP_STOP 0x06 +#define H_HTM_OP_DECONFIGURE 0x07 +#define H_HTM_OP_DUMP_DETAILS 0x08 +#define H_HTM_OP_DUMP_DATA 0x09 +#define H_HTM_OP_DUMP_SYSMEM_CONF 0x0a +#define H_HTM_OP_DUMP_SYSPROC_CONF 0x0b + +#define H_HTM_TYPE_SHIFT (63-31) +#define H_HTM_TYPE(x) ((unsigned long)(x)<<H_HTM_TYPE_SHIFT) +#define H_HTM_TYPE_NEST 0x01 +#define H_HTM_TYPE_CORE 0x02 +#define H_HTM_TYPE_LLAT 0x03 +#define H_HTM_TYPE_GLOBAL 0xff + +#define H_HTM_TARGET_NODE_INDEX(x) ((unsigned long)(x)<<(63-15)) +#define H_HTM_TARGET_NODAL_CHIP_INDEX(x) ((unsigned long)(x)<<(63-31)) +#define H_HTM_TARGET_CORE_INDEX_ON_CHIP(x) ((unsigned long)(x)<<(63-47)) + +#ifndef __ASSEMBLER__ #include <linux/types.h> /** @@ -699,6 +735,6 @@ struct hv_gpci_request_buffer { uint8_t bytes[HGPCI_MAX_DATA_BYTES]; } __packed; -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_HVCALL_H */ diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index 569ac1165b06..1078ba88efaf 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -59,7 +59,7 @@ #define IRQS_PMI_DISABLED 2 #define IRQS_ALL_DISABLED (IRQS_DISABLED | IRQS_PMI_DISABLED) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ static inline void __hard_irq_enable(void) { @@ -516,6 +516,6 @@ static inline unsigned long mtmsr_isync_irqsafe(unsigned long msr) #define ARCH_IRQ_INIT_FLAGS IRQ_NOREQUEST -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_HW_IRQ_H */ diff --git a/arch/powerpc/include/asm/inst.h b/arch/powerpc/include/asm/inst.h index 684d3f453282..ffa82167c860 100644 --- a/arch/powerpc/include/asm/inst.h +++ b/arch/powerpc/include/asm/inst.h @@ -143,10 +143,6 @@ static inline int __copy_inst_from_kernel_nofault(ppc_inst_t *inst, u32 *src) { unsigned int val, suffix; -/* See https://github.com/ClangBuiltLinux/linux/issues/1521 */ -#if defined(CONFIG_CC_IS_CLANG) && CONFIG_CLANG_VERSION < 140000 - val = suffix = 0; -#endif __get_kernel_nofault(&val, src, u32, Efault); if (IS_ENABLED(CONFIG_PPC64) && get_op(val) == OP_PREFIX) { __get_kernel_nofault(&suffix, src + 1, u32, Efault); diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h index 23638d4e73ac..eb0e4a20b818 100644 --- a/arch/powerpc/include/asm/interrupt.h +++ b/arch/powerpc/include/asm/interrupt.h @@ -64,7 +64,7 @@ #define INTERRUPT_DATA_LOAD_TLB_MISS_603 0x1100 #define INTERRUPT_DATA_STORE_TLB_MISS_603 0x1200 -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/context_tracking.h> #include <linux/hardirq.h> @@ -675,6 +675,6 @@ unsigned long interrupt_exit_user_restart(struct pt_regs *regs); unsigned long interrupt_exit_kernel_restart(struct pt_regs *regs); #endif -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_INTERRUPT_H */ diff --git a/arch/powerpc/include/asm/io-defs.h b/arch/powerpc/include/asm/io-defs.h index faf8617cc574..5c2be9b54a9d 100644 --- a/arch/powerpc/include/asm/io-defs.h +++ b/arch/powerpc/include/asm/io-defs.h @@ -1,61 +1,15 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* This file is meant to be include multiple times by other headers */ -/* last 2 argments are used by platforms/cell/io-workarounds.[ch] */ -DEF_PCI_AC_RET(readb, u8, (const PCI_IO_ADDR addr), (addr), mem, addr) -DEF_PCI_AC_RET(readw, u16, (const PCI_IO_ADDR addr), (addr), mem, addr) -DEF_PCI_AC_RET(readl, u32, (const PCI_IO_ADDR addr), (addr), mem, addr) -DEF_PCI_AC_RET(readw_be, u16, (const PCI_IO_ADDR addr), (addr), mem, addr) -DEF_PCI_AC_RET(readl_be, u32, (const PCI_IO_ADDR addr), (addr), mem, addr) -DEF_PCI_AC_NORET(writeb, (u8 val, PCI_IO_ADDR addr), (val, addr), mem, addr) -DEF_PCI_AC_NORET(writew, (u16 val, PCI_IO_ADDR addr), (val, addr), mem, addr) -DEF_PCI_AC_NORET(writel, (u32 val, PCI_IO_ADDR addr), (val, addr), mem, addr) -DEF_PCI_AC_NORET(writew_be, (u16 val, PCI_IO_ADDR addr), (val, addr), mem, addr) -DEF_PCI_AC_NORET(writel_be, (u32 val, PCI_IO_ADDR addr), (val, addr), mem, addr) - -#ifdef __powerpc64__ -DEF_PCI_AC_RET(readq, u64, (const PCI_IO_ADDR addr), (addr), mem, addr) -DEF_PCI_AC_RET(readq_be, u64, (const PCI_IO_ADDR addr), (addr), mem, addr) -DEF_PCI_AC_NORET(writeq, (u64 val, PCI_IO_ADDR addr), (val, addr), mem, addr) -DEF_PCI_AC_NORET(writeq_be, (u64 val, PCI_IO_ADDR addr), (val, addr), mem, addr) -#endif /* __powerpc64__ */ - -DEF_PCI_AC_RET(inb, u8, (unsigned long port), (port), pio, port) -DEF_PCI_AC_RET(inw, u16, (unsigned long port), (port), pio, port) -DEF_PCI_AC_RET(inl, u32, (unsigned long port), (port), pio, port) -DEF_PCI_AC_NORET(outb, (u8 val, unsigned long port), (val, port), pio, port) -DEF_PCI_AC_NORET(outw, (u16 val, unsigned long port), (val, port), pio, port) -DEF_PCI_AC_NORET(outl, (u32 val, unsigned long port), (val, port), pio, port) - -DEF_PCI_AC_NORET(readsb, (const PCI_IO_ADDR a, void *b, unsigned long c), - (a, b, c), mem, a) -DEF_PCI_AC_NORET(readsw, (const PCI_IO_ADDR a, void *b, unsigned long c), - (a, b, c), mem, a) -DEF_PCI_AC_NORET(readsl, (const PCI_IO_ADDR a, void *b, unsigned long c), - (a, b, c), mem, a) -DEF_PCI_AC_NORET(writesb, (PCI_IO_ADDR a, const void *b, unsigned long c), - (a, b, c), mem, a) -DEF_PCI_AC_NORET(writesw, (PCI_IO_ADDR a, const void *b, unsigned long c), - (a, b, c), mem, a) -DEF_PCI_AC_NORET(writesl, (PCI_IO_ADDR a, const void *b, unsigned long c), - (a, b, c), mem, a) - -DEF_PCI_AC_NORET(insb, (unsigned long p, void *b, unsigned long c), - (p, b, c), pio, p) -DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c), - (p, b, c), pio, p) -DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c), - (p, b, c), pio, p) -DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c), - (p, b, c), pio, p) -DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c), - (p, b, c), pio, p) -DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c), - (p, b, c), pio, p) - -DEF_PCI_AC_NORET(memset_io, (PCI_IO_ADDR a, int c, unsigned long n), - (a, c, n), mem, a) -DEF_PCI_AC_NORET(memcpy_fromio, (void *d, const PCI_IO_ADDR s, unsigned long n), - (d, s, n), mem, s) -DEF_PCI_AC_NORET(memcpy_toio, (PCI_IO_ADDR d, const void *s, unsigned long n), - (d, s, n), mem, d) +DEF_PCI_AC_RET(inb, u8, (unsigned long port), (port)) +DEF_PCI_AC_RET(inw, u16, (unsigned long port), (port)) +DEF_PCI_AC_RET(inl, u32, (unsigned long port), (port)) +DEF_PCI_AC_NORET(outb, (u8 val, unsigned long port), (val, port)) +DEF_PCI_AC_NORET(outw, (u16 val, unsigned long port), (val, port)) +DEF_PCI_AC_NORET(outl, (u32 val, unsigned long port), (val, port)) +DEF_PCI_AC_NORET(insb, (unsigned long p, void *b, unsigned long c), (p, b, c)) +DEF_PCI_AC_NORET(insw, (unsigned long p, void *b, unsigned long c), (p, b, c)) +DEF_PCI_AC_NORET(insl, (unsigned long p, void *b, unsigned long c), (p, b, c)) +DEF_PCI_AC_NORET(outsb, (unsigned long p, const void *b, unsigned long c), (p, b, c)) +DEF_PCI_AC_NORET(outsw, (unsigned long p, const void *b, unsigned long c), (p, b, c)) +DEF_PCI_AC_NORET(outsl, (unsigned long p, const void *b, unsigned long c), (p, b, c)) diff --git a/arch/powerpc/include/asm/io-workarounds.h b/arch/powerpc/include/asm/io-workarounds.h deleted file mode 100644 index 3cce499fbe27..000000000000 --- a/arch/powerpc/include/asm/io-workarounds.h +++ /dev/null @@ -1,55 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Support PCI IO workaround - * - * (C) Copyright 2007-2008 TOSHIBA CORPORATION - */ - -#ifndef _IO_WORKAROUNDS_H -#define _IO_WORKAROUNDS_H - -#ifdef CONFIG_PPC_IO_WORKAROUNDS -#include <linux/io.h> -#include <asm/pci-bridge.h> - -/* Bus info */ -struct iowa_bus { - struct pci_controller *phb; - struct ppc_pci_io *ops; - void *private; -}; - -void iowa_register_bus(struct pci_controller *, struct ppc_pci_io *, - int (*)(struct iowa_bus *, void *), void *); -struct iowa_bus *iowa_mem_find_bus(const PCI_IO_ADDR); -struct iowa_bus *iowa_pio_find_bus(unsigned long); - -extern struct ppc_pci_io spiderpci_ops; -extern int spiderpci_iowa_init(struct iowa_bus *, void *); - -#define SPIDER_PCI_REG_BASE 0xd000 -#define SPIDER_PCI_REG_SIZE 0x1000 -#define SPIDER_PCI_VCI_CNTL_STAT 0x0110 -#define SPIDER_PCI_DUMMY_READ 0x0810 -#define SPIDER_PCI_DUMMY_READ_BASE 0x0814 - -#endif - -#if defined(CONFIG_PPC_IO_WORKAROUNDS) && defined(CONFIG_PPC_INDIRECT_MMIO) -extern bool io_workaround_inited; - -static inline bool iowa_is_active(void) -{ - return unlikely(io_workaround_inited); -} -#else -static inline bool iowa_is_active(void) -{ - return false; -} -#endif - -void __iomem *iowa_ioremap(phys_addr_t addr, unsigned long size, - pgprot_t prot, void *caller); - -#endif /* _IO_WORKAROUNDS_H */ diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index fd92ac450169..7a89754842d6 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -65,8 +65,8 @@ extern resource_size_t isa_mem_base; extern bool isa_io_special; #ifdef CONFIG_PPC32 -#if defined(CONFIG_PPC_INDIRECT_PIO) || defined(CONFIG_PPC_INDIRECT_MMIO) -#error CONFIG_PPC_INDIRECT_{PIO,MMIO} are not yet supported on 32 bits +#ifdef CONFIG_PPC_INDIRECT_PIO +#error CONFIG_PPC_INDIRECT_PIO is not yet supported on 32 bits #endif #endif @@ -80,16 +80,12 @@ extern bool isa_io_special; * * in_8, in_le16, in_be16, in_le32, in_be32, in_le64, in_be64 * out_8, out_le16, out_be16, out_le32, out_be32, out_le64, out_be64 - * _insb, _insw_ns, _insl_ns, _outsb, _outsw_ns, _outsl_ns + * _insb, _insw, _insl, _outsb, _outsw, _outsl * * Those operate directly on a kernel virtual address. Note that the prototype * for the out_* accessors has the arguments in opposite order from the usual * linux PCI accessors. Unlike those, they take the address first and the value * next. - * - * Note: I might drop the _ns suffix on the stream operations soon as it is - * simply normal for stream operations to not swap in the first place. - * */ /* -mprefixed can generate offsets beyond range, fall back hack */ @@ -228,19 +224,10 @@ static inline void out_be64(volatile u64 __iomem *addr, u64 val) */ extern void _insb(const volatile u8 __iomem *addr, void *buf, long count); extern void _outsb(volatile u8 __iomem *addr,const void *buf,long count); -extern void _insw_ns(const volatile u16 __iomem *addr, void *buf, long count); -extern void _outsw_ns(volatile u16 __iomem *addr, const void *buf, long count); -extern void _insl_ns(const volatile u32 __iomem *addr, void *buf, long count); -extern void _outsl_ns(volatile u32 __iomem *addr, const void *buf, long count); - -/* The _ns naming is historical and will be removed. For now, just #define - * the non _ns equivalent names - */ -#define _insw _insw_ns -#define _insl _insl_ns -#define _outsw _outsw_ns -#define _outsl _outsl_ns - +extern void _insw(const volatile u16 __iomem *addr, void *buf, long count); +extern void _outsw(volatile u16 __iomem *addr, const void *buf, long count); +extern void _insl(const volatile u32 __iomem *addr, void *buf, long count); +extern void _outsl(volatile u32 __iomem *addr, const void *buf, long count); /* * memset_io, memcpy_toio, memcpy_fromio base implementations are out of line @@ -261,9 +248,9 @@ extern void _memcpy_toio(volatile void __iomem *dest, const void *src, * for PowerPC is as close as possible to the x86 version of these, and thus * provides fairly heavy weight barriers for the non-raw versions * - * In addition, they support a hook mechanism when CONFIG_PPC_INDIRECT_MMIO - * or CONFIG_PPC_INDIRECT_PIO are set allowing the platform to provide its - * own implementation of some or all of the accessors. + * In addition, they support a hook mechanism when CONFIG_PPC_INDIRECT_PIO + * is set allowing the platform to provide its own implementation of some + * of the accessors. */ /* @@ -274,116 +261,11 @@ extern void _memcpy_toio(volatile void __iomem *dest, const void *src, #include <asm/eeh.h> #endif -/* Shortcut to the MMIO argument pointer */ -#define PCI_IO_ADDR volatile void __iomem * - -/* Indirect IO address tokens: - * - * When CONFIG_PPC_INDIRECT_MMIO is set, the platform can provide hooks - * on all MMIOs. (Note that this is all 64 bits only for now) - * - * To help platforms who may need to differentiate MMIO addresses in - * their hooks, a bitfield is reserved for use by the platform near the - * top of MMIO addresses (not PIO, those have to cope the hard way). - * - * The highest address in the kernel virtual space are: - * - * d0003fffffffffff # with Hash MMU - * c00fffffffffffff # with Radix MMU - * - * The top 4 bits are reserved as the region ID on hash, leaving us 8 bits - * that can be used for the field. - * - * The direct IO mapping operations will then mask off those bits - * before doing the actual access, though that only happen when - * CONFIG_PPC_INDIRECT_MMIO is set, thus be careful when you use that - * mechanism - * - * For PIO, there is a separate CONFIG_PPC_INDIRECT_PIO which makes - * all PIO functions call through a hook. - */ - -#ifdef CONFIG_PPC_INDIRECT_MMIO -#define PCI_IO_IND_TOKEN_SHIFT 52 -#define PCI_IO_IND_TOKEN_MASK (0xfful << PCI_IO_IND_TOKEN_SHIFT) -#define PCI_FIX_ADDR(addr) \ - ((PCI_IO_ADDR)(((unsigned long)(addr)) & ~PCI_IO_IND_TOKEN_MASK)) -#define PCI_GET_ADDR_TOKEN(addr) \ - (((unsigned long)(addr) & PCI_IO_IND_TOKEN_MASK) >> \ - PCI_IO_IND_TOKEN_SHIFT) -#define PCI_SET_ADDR_TOKEN(addr, token) \ -do { \ - unsigned long __a = (unsigned long)(addr); \ - __a &= ~PCI_IO_IND_TOKEN_MASK; \ - __a |= ((unsigned long)(token)) << PCI_IO_IND_TOKEN_SHIFT; \ - (addr) = (void __iomem *)__a; \ -} while(0) -#else -#define PCI_FIX_ADDR(addr) (addr) -#endif - - -/* - * Non ordered and non-swapping "raw" accessors - */ - -static inline unsigned char __raw_readb(const volatile void __iomem *addr) -{ - return *(volatile unsigned char __force *)PCI_FIX_ADDR(addr); -} -#define __raw_readb __raw_readb - -static inline unsigned short __raw_readw(const volatile void __iomem *addr) -{ - return *(volatile unsigned short __force *)PCI_FIX_ADDR(addr); -} -#define __raw_readw __raw_readw - -static inline unsigned int __raw_readl(const volatile void __iomem *addr) -{ - return *(volatile unsigned int __force *)PCI_FIX_ADDR(addr); -} -#define __raw_readl __raw_readl - -static inline void __raw_writeb(unsigned char v, volatile void __iomem *addr) -{ - *(volatile unsigned char __force *)PCI_FIX_ADDR(addr) = v; -} -#define __raw_writeb __raw_writeb - -static inline void __raw_writew(unsigned short v, volatile void __iomem *addr) -{ - *(volatile unsigned short __force *)PCI_FIX_ADDR(addr) = v; -} -#define __raw_writew __raw_writew - -static inline void __raw_writel(unsigned int v, volatile void __iomem *addr) -{ - *(volatile unsigned int __force *)PCI_FIX_ADDR(addr) = v; -} -#define __raw_writel __raw_writel +#define _IO_PORT(port) ((volatile void __iomem *)(_IO_BASE + (port))) #ifdef __powerpc64__ -static inline unsigned long __raw_readq(const volatile void __iomem *addr) -{ - return *(volatile unsigned long __force *)PCI_FIX_ADDR(addr); -} -#define __raw_readq __raw_readq - -static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr) -{ - *(volatile unsigned long __force *)PCI_FIX_ADDR(addr) = v; -} -#define __raw_writeq __raw_writeq - -static inline void __raw_writeq_be(unsigned long v, volatile void __iomem *addr) -{ - __raw_writeq((__force unsigned long)cpu_to_be64(v), addr); -} -#define __raw_writeq_be __raw_writeq_be - /* - * Real mode versions of the above. Those instructions are only supposed + * Real mode versions of raw accessors. Those instructions are only supposed * to be used in hypervisor real mode as per the architecture spec. */ static inline void __raw_rm_writeb(u8 val, volatile void __iomem *paddr) @@ -551,30 +433,23 @@ __do_out_asm(_rec_outl, "stwbrx") * possible to hook directly at the toplevel PIO operation if they have to * be handled differently */ -#define __do_writeb(val, addr) out_8(PCI_FIX_ADDR(addr), val) -#define __do_writew(val, addr) out_le16(PCI_FIX_ADDR(addr), val) -#define __do_writel(val, addr) out_le32(PCI_FIX_ADDR(addr), val) -#define __do_writeq(val, addr) out_le64(PCI_FIX_ADDR(addr), val) -#define __do_writew_be(val, addr) out_be16(PCI_FIX_ADDR(addr), val) -#define __do_writel_be(val, addr) out_be32(PCI_FIX_ADDR(addr), val) -#define __do_writeq_be(val, addr) out_be64(PCI_FIX_ADDR(addr), val) #ifdef CONFIG_EEH -#define __do_readb(addr) eeh_readb(PCI_FIX_ADDR(addr)) -#define __do_readw(addr) eeh_readw(PCI_FIX_ADDR(addr)) -#define __do_readl(addr) eeh_readl(PCI_FIX_ADDR(addr)) -#define __do_readq(addr) eeh_readq(PCI_FIX_ADDR(addr)) -#define __do_readw_be(addr) eeh_readw_be(PCI_FIX_ADDR(addr)) -#define __do_readl_be(addr) eeh_readl_be(PCI_FIX_ADDR(addr)) -#define __do_readq_be(addr) eeh_readq_be(PCI_FIX_ADDR(addr)) +#define __do_readb(addr) eeh_readb(addr) +#define __do_readw(addr) eeh_readw(addr) +#define __do_readl(addr) eeh_readl(addr) +#define __do_readq(addr) eeh_readq(addr) +#define __do_readw_be(addr) eeh_readw_be(addr) +#define __do_readl_be(addr) eeh_readl_be(addr) +#define __do_readq_be(addr) eeh_readq_be(addr) #else /* CONFIG_EEH */ -#define __do_readb(addr) in_8(PCI_FIX_ADDR(addr)) -#define __do_readw(addr) in_le16(PCI_FIX_ADDR(addr)) -#define __do_readl(addr) in_le32(PCI_FIX_ADDR(addr)) -#define __do_readq(addr) in_le64(PCI_FIX_ADDR(addr)) -#define __do_readw_be(addr) in_be16(PCI_FIX_ADDR(addr)) -#define __do_readl_be(addr) in_be32(PCI_FIX_ADDR(addr)) -#define __do_readq_be(addr) in_be64(PCI_FIX_ADDR(addr)) +#define __do_readb(addr) in_8(addr) +#define __do_readw(addr) in_le16(addr) +#define __do_readl(addr) in_le32(addr) +#define __do_readq(addr) in_le64(addr) +#define __do_readw_be(addr) in_be16(addr) +#define __do_readl_be(addr) in_be32(addr) +#define __do_readq_be(addr) in_be64(addr) #endif /* !defined(CONFIG_EEH) */ #ifdef CONFIG_PPC32 @@ -585,64 +460,185 @@ __do_out_asm(_rec_outl, "stwbrx") #define __do_inw(port) _rec_inw(port) #define __do_inl(port) _rec_inl(port) #else /* CONFIG_PPC32 */ -#define __do_outb(val, port) writeb(val,(PCI_IO_ADDR)(_IO_BASE+port)); -#define __do_outw(val, port) writew(val,(PCI_IO_ADDR)(_IO_BASE+port)); -#define __do_outl(val, port) writel(val,(PCI_IO_ADDR)(_IO_BASE+port)); -#define __do_inb(port) readb((PCI_IO_ADDR)(_IO_BASE + port)); -#define __do_inw(port) readw((PCI_IO_ADDR)(_IO_BASE + port)); -#define __do_inl(port) readl((PCI_IO_ADDR)(_IO_BASE + port)); +#define __do_outb(val, port) writeb(val,_IO_PORT(port)); +#define __do_outw(val, port) writew(val,_IO_PORT(port)); +#define __do_outl(val, port) writel(val,_IO_PORT(port)); +#define __do_inb(port) readb(_IO_PORT(port)); +#define __do_inw(port) readw(_IO_PORT(port)); +#define __do_inl(port) readl(_IO_PORT(port)); #endif /* !CONFIG_PPC32 */ #ifdef CONFIG_EEH -#define __do_readsb(a, b, n) eeh_readsb(PCI_FIX_ADDR(a), (b), (n)) -#define __do_readsw(a, b, n) eeh_readsw(PCI_FIX_ADDR(a), (b), (n)) -#define __do_readsl(a, b, n) eeh_readsl(PCI_FIX_ADDR(a), (b), (n)) +#define __do_readsb(a, b, n) eeh_readsb(a, (b), (n)) +#define __do_readsw(a, b, n) eeh_readsw(a, (b), (n)) +#define __do_readsl(a, b, n) eeh_readsl(a, (b), (n)) #else /* CONFIG_EEH */ -#define __do_readsb(a, b, n) _insb(PCI_FIX_ADDR(a), (b), (n)) -#define __do_readsw(a, b, n) _insw(PCI_FIX_ADDR(a), (b), (n)) -#define __do_readsl(a, b, n) _insl(PCI_FIX_ADDR(a), (b), (n)) +#define __do_readsb(a, b, n) _insb(a, (b), (n)) +#define __do_readsw(a, b, n) _insw(a, (b), (n)) +#define __do_readsl(a, b, n) _insl(a, (b), (n)) #endif /* !CONFIG_EEH */ -#define __do_writesb(a, b, n) _outsb(PCI_FIX_ADDR(a),(b),(n)) -#define __do_writesw(a, b, n) _outsw(PCI_FIX_ADDR(a),(b),(n)) -#define __do_writesl(a, b, n) _outsl(PCI_FIX_ADDR(a),(b),(n)) - -#define __do_insb(p, b, n) readsb((PCI_IO_ADDR)(_IO_BASE+(p)), (b), (n)) -#define __do_insw(p, b, n) readsw((PCI_IO_ADDR)(_IO_BASE+(p)), (b), (n)) -#define __do_insl(p, b, n) readsl((PCI_IO_ADDR)(_IO_BASE+(p)), (b), (n)) -#define __do_outsb(p, b, n) writesb((PCI_IO_ADDR)(_IO_BASE+(p)),(b),(n)) -#define __do_outsw(p, b, n) writesw((PCI_IO_ADDR)(_IO_BASE+(p)),(b),(n)) -#define __do_outsl(p, b, n) writesl((PCI_IO_ADDR)(_IO_BASE+(p)),(b),(n)) - -#define __do_memset_io(addr, c, n) \ - _memset_io(PCI_FIX_ADDR(addr), c, n) -#define __do_memcpy_toio(dst, src, n) \ - _memcpy_toio(PCI_FIX_ADDR(dst), src, n) +#define __do_writesb(a, b, n) _outsb(a, (b), (n)) +#define __do_writesw(a, b, n) _outsw(a, (b), (n)) +#define __do_writesl(a, b, n) _outsl(a, (b), (n)) + +#define __do_insb(p, b, n) readsb(_IO_PORT(p), (b), (n)) +#define __do_insw(p, b, n) readsw(_IO_PORT(p), (b), (n)) +#define __do_insl(p, b, n) readsl(_IO_PORT(p), (b), (n)) +#define __do_outsb(p, b, n) writesb(_IO_PORT(p),(b),(n)) +#define __do_outsw(p, b, n) writesw(_IO_PORT(p),(b),(n)) +#define __do_outsl(p, b, n) writesl(_IO_PORT(p),(b),(n)) #ifdef CONFIG_EEH #define __do_memcpy_fromio(dst, src, n) \ - eeh_memcpy_fromio(dst, PCI_FIX_ADDR(src), n) + eeh_memcpy_fromio(dst, src, n) #else /* CONFIG_EEH */ #define __do_memcpy_fromio(dst, src, n) \ - _memcpy_fromio(dst,PCI_FIX_ADDR(src),n) + _memcpy_fromio(dst, src, n) #endif /* !CONFIG_EEH */ -#ifdef CONFIG_PPC_INDIRECT_PIO -#define DEF_PCI_HOOK_pio(x) x -#else -#define DEF_PCI_HOOK_pio(x) NULL -#endif +static inline u8 readb(const volatile void __iomem *addr) +{ + return __do_readb(addr); +} +#define readb readb + +static inline u16 readw(const volatile void __iomem *addr) +{ + return __do_readw(addr); +} +#define readw readw + +static inline u32 readl(const volatile void __iomem *addr) +{ + return __do_readl(addr); +} +#define readl readl + +static inline u16 readw_be(const volatile void __iomem *addr) +{ + return __do_readw_be(addr); +} + +static inline u32 readl_be(const volatile void __iomem *addr) +{ + return __do_readl_be(addr); +} -#ifdef CONFIG_PPC_INDIRECT_MMIO -#define DEF_PCI_HOOK_mem(x) x +static inline void writeb(u8 val, volatile void __iomem *addr) +{ + out_8(addr, val); +} +#define writeb writeb + +static inline void writew(u16 val, volatile void __iomem *addr) +{ + out_le16(addr, val); +} +#define writew writew + +static inline void writel(u32 val, volatile void __iomem *addr) +{ + out_le32(addr, val); +} +#define writel writel + +static inline void writew_be(u16 val, volatile void __iomem *addr) +{ + out_be16(addr, val); +} + +static inline void writel_be(u32 val, volatile void __iomem *addr) +{ + out_be32(addr, val); +} + +static inline void readsb(const volatile void __iomem *a, void *b, unsigned long c) +{ + __do_readsb(a, b, c); +} +#define readsb readsb + +static inline void readsw(const volatile void __iomem *a, void *b, unsigned long c) +{ + __do_readsw(a, b, c); +} +#define readsw readsw + +static inline void readsl(const volatile void __iomem *a, void *b, unsigned long c) +{ + __do_readsl(a, b, c); +} +#define readsl readsl + +static inline void writesb(volatile void __iomem *a, const void *b, unsigned long c) +{ + __do_writesb(a, b, c); +} +#define writesb writesb + +static inline void writesw(volatile void __iomem *a, const void *b, unsigned long c) +{ + __do_writesw(a, b, c); +} +#define writesw writesw + +static inline void writesl(volatile void __iomem *a, const void *b, unsigned long c) +{ + __do_writesl(a, b, c); +} +#define writesl writesl + +static inline void memset_io(volatile void __iomem *a, int c, unsigned long n) +{ + _memset_io(a, c, n); +} +#define memset_io memset_io + +static inline void memcpy_fromio(void *d, const volatile void __iomem *s, unsigned long n) +{ + __do_memcpy_fromio(d, s, n); +} +#define memcpy_fromio memcpy_fromio + +static inline void memcpy_toio(volatile void __iomem *d, const void *s, unsigned long n) +{ + _memcpy_toio(d, s, n); +} +#define memcpy_toio memcpy_toio + +#ifdef __powerpc64__ +static inline u64 readq(const volatile void __iomem *addr) +{ + return __do_readq(addr); +} + +static inline u64 readq_be(const volatile void __iomem *addr) +{ + return __do_readq_be(addr); +} + +static inline void writeq(u64 val, volatile void __iomem *addr) +{ + out_le64(addr, val); +} + +static inline void writeq_be(u64 val, volatile void __iomem *addr) +{ + out_be64(addr, val); +} +#endif /* __powerpc64__ */ + +#ifdef CONFIG_PPC_INDIRECT_PIO +#define DEF_PCI_HOOK(x) x #else -#define DEF_PCI_HOOK_mem(x) NULL +#define DEF_PCI_HOOK(x) NULL #endif /* Structure containing all the hooks */ extern struct ppc_pci_io { -#define DEF_PCI_AC_RET(name, ret, at, al, space, aa) ret (*name) at; -#define DEF_PCI_AC_NORET(name, at, al, space, aa) void (*name) at; +#define DEF_PCI_AC_RET(name, ret, at, al) ret (*name) at; +#define DEF_PCI_AC_NORET(name, at, al) void (*name) at; #include <asm/io-defs.h> @@ -652,18 +648,18 @@ extern struct ppc_pci_io { } ppc_pci_io; /* The inline wrappers */ -#define DEF_PCI_AC_RET(name, ret, at, al, space, aa) \ +#define DEF_PCI_AC_RET(name, ret, at, al) \ static inline ret name at \ { \ - if (DEF_PCI_HOOK_##space(ppc_pci_io.name) != NULL) \ + if (DEF_PCI_HOOK(ppc_pci_io.name) != NULL) \ return ppc_pci_io.name al; \ return __do_##name al; \ } -#define DEF_PCI_AC_NORET(name, at, al, space, aa) \ +#define DEF_PCI_AC_NORET(name, at, al) \ static inline void name at \ { \ - if (DEF_PCI_HOOK_##space(ppc_pci_io.name) != NULL) \ + if (DEF_PCI_HOOK(ppc_pci_io.name) != NULL) \ ppc_pci_io.name al; \ else \ __do_##name al; \ @@ -674,21 +670,7 @@ static inline void name at \ #undef DEF_PCI_AC_RET #undef DEF_PCI_AC_NORET -/* Some drivers check for the presence of readq & writeq with - * a #ifdef, so we make them happy here. - */ -#define readb readb -#define readw readw -#define readl readl -#define writeb writeb -#define writew writew -#define writel writel -#define readsb readsb -#define readsw readsw -#define readsl readsl -#define writesb writesb -#define writesw writesw -#define writesl writesl +// Signal to asm-generic/io.h that we have implemented these. #define inb inb #define inw inw #define inl inl @@ -705,9 +687,6 @@ static inline void name at \ #define readq readq #define writeq writeq #endif -#define memset_io memset_io -#define memcpy_fromio memcpy_fromio -#define memcpy_toio memcpy_toio /* * We don't do relaxed operations yet, at least not with this semantic @@ -738,35 +717,11 @@ static inline unsigned int ioread32be(const void __iomem *addr) #define ioread32be ioread32be #ifdef __powerpc64__ -static inline u64 ioread64_lo_hi(const void __iomem *addr) -{ - return readq(addr); -} -#define ioread64_lo_hi ioread64_lo_hi - -static inline u64 ioread64_hi_lo(const void __iomem *addr) -{ - return readq(addr); -} -#define ioread64_hi_lo ioread64_hi_lo - static inline u64 ioread64be(const void __iomem *addr) { return readq_be(addr); } #define ioread64be ioread64be - -static inline u64 ioread64be_lo_hi(const void __iomem *addr) -{ - return readq_be(addr); -} -#define ioread64be_lo_hi ioread64be_lo_hi - -static inline u64 ioread64be_hi_lo(const void __iomem *addr) -{ - return readq_be(addr); -} -#define ioread64be_hi_lo ioread64be_hi_lo #endif /* __powerpc64__ */ static inline void iowrite16be(u16 val, void __iomem *addr) @@ -782,35 +737,11 @@ static inline void iowrite32be(u32 val, void __iomem *addr) #define iowrite32be iowrite32be #ifdef __powerpc64__ -static inline void iowrite64_lo_hi(u64 val, void __iomem *addr) -{ - writeq(val, addr); -} -#define iowrite64_lo_hi iowrite64_lo_hi - -static inline void iowrite64_hi_lo(u64 val, void __iomem *addr) -{ - writeq(val, addr); -} -#define iowrite64_hi_lo iowrite64_hi_lo - static inline void iowrite64be(u64 val, void __iomem *addr) { writeq_be(val, addr); } #define iowrite64be iowrite64be - -static inline void iowrite64be_lo_hi(u64 val, void __iomem *addr) -{ - writeq_be(val, addr); -} -#define iowrite64be_lo_hi iowrite64be_lo_hi - -static inline void iowrite64be_hi_lo(u64 val, void __iomem *addr) -{ - writeq_be(val, addr); -} -#define iowrite64be_hi_lo iowrite64be_hi_lo #endif /* __powerpc64__ */ struct pci_dev; @@ -895,7 +826,7 @@ void __iomem *ioremap_wt(phys_addr_t address, unsigned long size); void __iomem *ioremap_coherent(phys_addr_t address, unsigned long size); #define ioremap_cache(addr, size) \ - ioremap_prot((addr), (size), pgprot_val(PAGE_KERNEL)) + ioremap_prot((addr), (size), PAGE_KERNEL) #define iounmap iounmap @@ -1030,6 +961,14 @@ static inline void * bus_to_virt(unsigned long address) #include <asm-generic/io.h> +#ifdef __powerpc64__ +static inline void __raw_writeq_be(unsigned long v, volatile void __iomem *addr) +{ + __raw_writeq((__force unsigned long)cpu_to_be64(v), addr); +} +#define __raw_writeq_be __raw_writeq_be +#endif // __powerpc64__ + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_IO_H */ diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h index 04072b5f8962..eafdd63cd6c4 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -274,12 +274,12 @@ extern void *iommu_alloc_coherent(struct device *dev, struct iommu_table *tbl, unsigned long mask, gfp_t flag, int node); extern void iommu_free_coherent(struct iommu_table *tbl, size_t size, void *vaddr, dma_addr_t dma_handle); -extern dma_addr_t iommu_map_page(struct device *dev, struct iommu_table *tbl, - struct page *page, unsigned long offset, - size_t size, unsigned long mask, +extern dma_addr_t iommu_map_phys(struct device *dev, struct iommu_table *tbl, + phys_addr_t phys, size_t size, + unsigned long mask, enum dma_data_direction direction, unsigned long attrs); -extern void iommu_unmap_page(struct iommu_table *tbl, dma_addr_t dma_handle, +extern void iommu_unmap_phys(struct iommu_table *tbl, dma_addr_t dma_handle, size_t size, enum dma_data_direction direction, unsigned long attrs); @@ -317,12 +317,6 @@ extern void iommu_flush_tce(struct iommu_table *tbl); extern enum dma_data_direction iommu_tce_direction(unsigned long tce); extern unsigned long iommu_direction_to_tce_perm(enum dma_data_direction dir); -#ifdef CONFIG_PPC_CELL_NATIVE -extern bool iommu_fixed_is_weak; -#else -#define iommu_fixed_is_weak false -#endif - extern const struct dma_map_ops dma_iommu_ops; #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/irqflags.h b/arch/powerpc/include/asm/irqflags.h index 47d46712928a..1351fb40fe74 100644 --- a/arch/powerpc/include/asm/irqflags.h +++ b/arch/powerpc/include/asm/irqflags.h @@ -5,7 +5,7 @@ #ifndef _ASM_IRQFLAGS_H #define _ASM_IRQFLAGS_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* * Get definitions for arch_local_save_flags(x), etc. */ diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h index 2f2a86ed2280..d4eaba459a0e 100644 --- a/arch/powerpc/include/asm/jump_label.h +++ b/arch/powerpc/include/asm/jump_label.h @@ -6,7 +6,7 @@ * Copyright 2010 Michael Ellerman, IBM Corp. */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/types.h> #include <asm/feature-fixups.h> diff --git a/arch/powerpc/include/asm/kasan.h b/arch/powerpc/include/asm/kasan.h index b5bbb94c51f6..045804a86f98 100644 --- a/arch/powerpc/include/asm/kasan.h +++ b/arch/powerpc/include/asm/kasan.h @@ -12,7 +12,7 @@ #define EXPORT_SYMBOL_KASAN(fn) #endif -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/page.h> #include <linux/sizes.h> @@ -53,18 +53,6 @@ #endif #ifdef CONFIG_KASAN -#ifdef CONFIG_PPC_BOOK3S_64 -DECLARE_STATIC_KEY_FALSE(powerpc_kasan_enabled_key); - -static __always_inline bool kasan_arch_is_ready(void) -{ - if (static_branch_likely(&powerpc_kasan_enabled_key)) - return true; - return false; -} - -#define kasan_arch_is_ready kasan_arch_is_ready -#endif void kasan_early_init(void); void kasan_mmu_init(void); @@ -80,5 +68,5 @@ void kasan_update_early_region(unsigned long k_start, unsigned long k_end, pte_t int kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_end); int kasan_init_region(void *start, size_t size); -#endif /* __ASSEMBLY */ +#endif /* __ASSEMBLER__ */ #endif diff --git a/arch/powerpc/include/asm/kdump.h b/arch/powerpc/include/asm/kdump.h index fd128d1e52b3..802644178f43 100644 --- a/arch/powerpc/include/asm/kdump.h +++ b/arch/powerpc/include/asm/kdump.h @@ -31,7 +31,7 @@ #endif /* CONFIG_CRASH_DUMP */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #if defined(CONFIG_CRASH_DUMP) && !defined(CONFIG_NONSTATIC_KERNEL) extern void reserve_kdump_trampoline(void); @@ -42,6 +42,6 @@ static inline void reserve_kdump_trampoline(void) { ; } static inline void setup_kdump_trampoline(void) { ; } #endif -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __PPC64_KDUMP_H */ diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h index 270ee93a0f7d..bd4a6c42a5f3 100644 --- a/arch/powerpc/include/asm/kexec.h +++ b/arch/powerpc/include/asm/kexec.h @@ -49,7 +49,7 @@ #define KEXEC_STATE_IRQS_OFF 1 #define KEXEC_STATE_REAL_MODE 2 -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/reg.h> typedef void (*crash_shutdown_t)(void); @@ -61,7 +61,6 @@ struct pt_regs; extern void kexec_smp_wait(void); /* get and clear naca physid, wait for master to copy new code to 0 */ extern void default_machine_kexec(struct kimage *image); -extern void machine_kexec_mask_interrupts(void); void relocate_new_kernel(unsigned long indirection_page, unsigned long reboot_code_buffer, unsigned long start_address) __noreturn; @@ -95,8 +94,10 @@ int arch_kexec_kernel_image_probe(struct kimage *image, void *buf, unsigned long int arch_kimage_file_post_load_cleanup(struct kimage *image); #define arch_kimage_file_post_load_cleanup arch_kimage_file_post_load_cleanup -int arch_kexec_locate_mem_hole(struct kexec_buf *kbuf); -#define arch_kexec_locate_mem_hole arch_kexec_locate_mem_hole +int arch_check_excluded_range(struct kimage *image, unsigned long start, + unsigned long end); +#define arch_check_excluded_range arch_check_excluded_range + int load_crashdump_segments_ppc64(struct kimage *image, struct kexec_buf *kbuf); @@ -113,10 +114,12 @@ int setup_new_fdt_ppc64(const struct kimage *image, void *fdt, struct crash_mem #ifdef CONFIG_CRASH_RESERVE int __init overlaps_crashkernel(unsigned long start, unsigned long size); -extern void reserve_crashkernel(void); +extern void arch_reserve_crashkernel(void); +extern void kdump_cma_reserve(void); #else -static inline void reserve_crashkernel(void) {} +static inline void arch_reserve_crashkernel(void) {} static inline int overlaps_crashkernel(unsigned long start, unsigned long size) { return 0; } +static inline void kdump_cma_reserve(void) { } #endif #if defined(CONFIG_CRASH_DUMP) @@ -209,6 +212,6 @@ static inline void reset_sprs(void) } #endif -#endif /* ! __ASSEMBLY__ */ +#endif /* ! __ASSEMBLER__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_KEXEC_H */ diff --git a/arch/powerpc/include/asm/kgdb.h b/arch/powerpc/include/asm/kgdb.h index 715c18b75334..f39531903325 100644 --- a/arch/powerpc/include/asm/kgdb.h +++ b/arch/powerpc/include/asm/kgdb.h @@ -21,7 +21,7 @@ #ifndef __POWERPC_KGDB_H__ #define __POWERPC_KGDB_H__ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define BREAK_INSTR_SIZE 4 #define BUFMAX ((NUMREGBYTES * 2) + 512) @@ -62,6 +62,6 @@ static inline void arch_kgdb_breakpoint(void) /* CR/LR, R1, R2, R13-R31 inclusive. */ #define NUMCRITREGBYTES (23 * sizeof(int)) #endif /* 32/64 */ -#endif /* !(__ASSEMBLY__) */ +#endif /* !(__ASSEMBLER__) */ #endif /* !__POWERPC_KGDB_H__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/kup.h b/arch/powerpc/include/asm/kup.h index 2bb03d941e3e..dab63b82a8d4 100644 --- a/arch/powerpc/include/asm/kup.h +++ b/arch/powerpc/include/asm/kup.h @@ -6,7 +6,7 @@ #define KUAP_WRITE 2 #define KUAP_READ_WRITE (KUAP_READ | KUAP_WRITE) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/types.h> static __always_inline bool kuap_is_disabled(void); @@ -28,14 +28,14 @@ static __always_inline bool kuap_is_disabled(void); #include <asm/book3s/32/kup.h> #endif -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ #ifndef CONFIG_PPC_KUAP .macro kuap_check_amr gpr1, gpr2 .endm #endif -#else /* !__ASSEMBLY__ */ +#else /* !__ASSEMBLER__ */ extern bool disable_kuep; extern bool disable_kuap; @@ -181,6 +181,6 @@ static __always_inline void prevent_current_write_to_user(void) prevent_user_access(KUAP_WRITE); } -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* _ASM_POWERPC_KUAP_H_ */ diff --git a/arch/powerpc/include/asm/kvm_asm.h b/arch/powerpc/include/asm/kvm_asm.h index d68d71987d5c..f9af8df09077 100644 --- a/arch/powerpc/include/asm/kvm_asm.h +++ b/arch/powerpc/include/asm/kvm_asm.h @@ -9,7 +9,7 @@ #ifndef __POWERPC_KVM_ASM_H__ #define __POWERPC_KVM_ASM_H__ -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ #ifdef CONFIG_64BIT #define PPC_STD(sreg, offset, areg) std sreg, (offset)(areg) #define PPC_LD(treg, offset, areg) ld treg, (offset)(areg) diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h index a36797938620..3435fe144908 100644 --- a/arch/powerpc/include/asm/kvm_book3s_asm.h +++ b/arch/powerpc/include/asm/kvm_book3s_asm.h @@ -20,7 +20,7 @@ /* Maximum number of subcores per physical core */ #define MAX_SUBCORES 4 -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ #ifdef CONFIG_KVM_BOOK3S_HANDLER @@ -58,7 +58,7 @@ kvmppc_resume_\intno: #endif /* CONFIG_KVM_BOOK3S_HANDLER */ -#else /*__ASSEMBLY__ */ +#else /*__ASSEMBLER__ */ struct kvmppc_vcore; @@ -150,7 +150,7 @@ struct kvmppc_book3s_shadow_vcpu { #endif }; -#endif /*__ASSEMBLY__ */ +#endif /*__ASSEMBLER__ */ /* Values for kvm_state */ #define KVM_HWTHREAD_IN_KERNEL 0 diff --git a/arch/powerpc/include/asm/kvm_booke_hv_asm.h b/arch/powerpc/include/asm/kvm_booke_hv_asm.h index 7487ef582121..3acf2995d364 100644 --- a/arch/powerpc/include/asm/kvm_booke_hv_asm.h +++ b/arch/powerpc/include/asm/kvm_booke_hv_asm.h @@ -8,7 +8,7 @@ #include <asm/feature-fixups.h> -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ /* * All exceptions from guest state must go through KVM @@ -64,5 +64,5 @@ END_FTR_SECTION_IFSET(CPU_FTR_EMB_HV) #endif .endm -#endif /*__ASSEMBLY__ */ +#endif /*__ASSEMBLER__ */ #endif /* ASM_KVM_BOOKE_HV_ASM_H */ diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 6e1108f8fce6..2d139c807577 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -902,7 +902,6 @@ struct kvm_vcpu_arch { #define __KVM_HAVE_ARCH_WQP #define __KVM_HAVE_CREATE_DEVICE -static inline void kvm_arch_sync_events(struct kvm *kvm) {} static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {} static inline void kvm_arch_flush_shadow_all(struct kvm *kvm) {} static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index ca3829d47ab7..0953f2daa466 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -939,9 +939,9 @@ static inline void kvmppc_mmu_flush_icache(kvm_pfn_t pfn) /* Clear i-cache for new pages */ folio = page_folio(pfn_to_page(pfn)); - if (!test_bit(PG_dcache_clean, &folio->flags)) { + if (!test_bit(PG_dcache_clean, &folio->flags.f)) { flush_dcache_icache_folio(folio); - set_bit(PG_dcache_clean, &folio->flags); + set_bit(PG_dcache_clean, &folio->flags.f); } } diff --git a/arch/powerpc/include/asm/kvm_types.h b/arch/powerpc/include/asm/kvm_types.h new file mode 100644 index 000000000000..5d4bffea7d47 --- /dev/null +++ b/arch/powerpc/include/asm/kvm_types.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_PPC_KVM_TYPES_H +#define _ASM_PPC_KVM_TYPES_H + +#if IS_MODULE(CONFIG_KVM_BOOK3S_64_PR) && IS_MODULE(CONFIG_KVM_BOOK3S_64_HV) +#define KVM_SUB_MODULES kvm-pr,kvm-hv +#elif IS_MODULE(CONFIG_KVM_BOOK3S_64_PR) +#define KVM_SUB_MODULES kvm-pr +#elif IS_MODULE(CONFIG_KVM_BOOK3S_64_HV) +#define KVM_SUB_MODULES kvm-hv +#else +#undef KVM_SUB_MODULES +#endif + +#endif diff --git a/arch/powerpc/include/asm/lv1call.h b/arch/powerpc/include/asm/lv1call.h index b11501b30193..ae70120953a8 100644 --- a/arch/powerpc/include/asm/lv1call.h +++ b/arch/powerpc/include/asm/lv1call.h @@ -10,7 +10,7 @@ #if !defined(_ASM_POWERPC_LV1CALL_H) #define _ASM_POWERPC_LV1CALL_H -#if !defined(__ASSEMBLY__) +#if !defined(__ASSEMBLER__) #include <linux/types.h> #include <linux/export.h> @@ -211,7 +211,7 @@ {return _lv1_##name(LV1_##in##_IN_##out##_OUT_ARGS);} #endif -#endif /* !defined(__ASSEMBLY__) */ +#endif /* !defined(__ASSEMBLER__) */ /* lv1 call table */ diff --git a/arch/powerpc/include/asm/mem_encrypt.h b/arch/powerpc/include/asm/mem_encrypt.h index 2f26b8fc8d29..e355ca46fad9 100644 --- a/arch/powerpc/include/asm/mem_encrypt.h +++ b/arch/powerpc/include/asm/mem_encrypt.h @@ -9,6 +9,9 @@ #define _ASM_POWERPC_MEM_ENCRYPT_H #include <asm/svm.h> +#include <linux/types.h> + +struct device; static inline bool force_dma_unencrypted(struct device *dev) { diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h index 42a51a993d94..912f78a956a1 100644 --- a/arch/powerpc/include/asm/mman.h +++ b/arch/powerpc/include/asm/mman.h @@ -14,7 +14,7 @@ #include <asm/cpu_has_feature.h> #include <asm/firmware.h> -static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot, +static inline vm_flags_t arch_calc_vm_prot_bits(unsigned long prot, unsigned long pkey) { #ifdef CONFIG_PPC_MEM_KEYS diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h index 4182d68d9cd1..5f9c5d436e17 100644 --- a/arch/powerpc/include/asm/mmu.h +++ b/arch/powerpc/include/asm/mmu.h @@ -137,7 +137,7 @@ MMU_FTR_CI_LARGE_PAGE #define MMU_FTRS_PA6T MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \ MMU_FTR_CI_LARGE_PAGE | MMU_FTR_NO_SLBIE_B -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/bug.h> #include <asm/cputable.h> #include <asm/page.h> @@ -332,7 +332,7 @@ static inline bool strict_module_rwx_enabled(void) { return IS_ENABLED(CONFIG_STRICT_MODULE_RWX) && strict_kernel_rwx_enabled(); } -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ /* The kernel use the constants below to index in the page sizes array. * The use of fixed constants for this purpose is better for performances @@ -377,7 +377,7 @@ static inline bool strict_module_rwx_enabled(void) #include <asm/book3s/64/mmu.h> #else /* CONFIG_PPC_BOOK3S_64 */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* MMU initialization */ extern void early_init_mmu(void); extern void early_init_mmu_secondary(void); @@ -388,7 +388,7 @@ static inline void mmu_early_init_devtree(void) { } static inline void pkey_early_init_devtree(void) {} extern void *abatron_pteptrs[2]; -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif #if defined(CONFIG_PPC_BOOK3S_32) diff --git a/arch/powerpc/include/asm/mmzone.h b/arch/powerpc/include/asm/mmzone.h index d99863cd6cde..049152f8d597 100644 --- a/arch/powerpc/include/asm/mmzone.h +++ b/arch/powerpc/include/asm/mmzone.h @@ -29,6 +29,7 @@ extern cpumask_var_t node_to_cpumask_map[]; #ifdef CONFIG_MEMORY_HOTPLUG extern unsigned long max_pfn; u64 memory_hotplug_max(void); +u64 hot_add_drconf_memory_max(void); #else #define memory_hotplug_max() memblock_end_of_DRAM() #endif diff --git a/arch/powerpc/include/asm/module.h b/arch/powerpc/include/asm/module.h index e1ee5026ac4a..864e22deaa2c 100644 --- a/arch/powerpc/include/asm/module.h +++ b/arch/powerpc/include/asm/module.h @@ -27,6 +27,7 @@ struct ppc_plt_entry { struct mod_arch_specific { #ifdef __powerpc64__ unsigned int stubs_section; /* Index of stubs section in module */ + unsigned int stub_count; /* Number of stubs used */ #ifdef CONFIG_PPC_KERNEL_PCREL unsigned int got_section; /* What section is the GOT? */ unsigned int pcpu_section; /* .data..percpu section */ diff --git a/arch/powerpc/include/asm/mpc52xx.h b/arch/powerpc/include/asm/mpc52xx.h index 01ae6c351e50..d7ffbd06797d 100644 --- a/arch/powerpc/include/asm/mpc52xx.h +++ b/arch/powerpc/include/asm/mpc52xx.h @@ -13,10 +13,10 @@ #ifndef __ASM_POWERPC_MPC52xx_H__ #define __ASM_POWERPC_MPC52xx_H__ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/types.h> #include <asm/mpc5xxx.h> -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #include <linux/suspend.h> @@ -30,7 +30,7 @@ /* Structures mapping of some unit register set */ /* ======================================================================== */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* Memory Mapping Control */ struct mpc52xx_mmap_ctl { @@ -258,14 +258,14 @@ struct mpc52xx_intr { u32 per_error; /* INTR + 0x38 */ }; -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ /* ========================================================================= */ /* Prototypes for MPC52xx sysdev */ /* ========================================================================= */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ struct device_node; @@ -297,7 +297,7 @@ extern void __init mpc52xx_setup_pci(void); static inline void mpc52xx_setup_pci(void) { } #endif -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #ifdef CONFIG_PM struct mpc52xx_suspend { diff --git a/arch/powerpc/include/asm/nohash/32/kup-8xx.h b/arch/powerpc/include/asm/nohash/32/kup-8xx.h index 46bc5925e5fd..08486b15b207 100644 --- a/arch/powerpc/include/asm/nohash/32/kup-8xx.h +++ b/arch/powerpc/include/asm/nohash/32/kup-8xx.h @@ -7,7 +7,7 @@ #ifdef CONFIG_PPC_KUAP -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/reg.h> @@ -82,7 +82,7 @@ __bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write) return !((regs->kuap ^ MD_APG_KUAP) & 0xff000000); } -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* CONFIG_PPC_KUAP */ diff --git a/arch/powerpc/include/asm/nohash/32/mmu-44x.h b/arch/powerpc/include/asm/nohash/32/mmu-44x.h index 2d92a39d8f2e..c3d192194324 100644 --- a/arch/powerpc/include/asm/nohash/32/mmu-44x.h +++ b/arch/powerpc/include/asm/nohash/32/mmu-44x.h @@ -100,7 +100,7 @@ #define PPC47x_TLB2_S_RW (PPC47x_TLB2_SW | PPC47x_TLB2_SR) #define PPC47x_TLB2_IMG (PPC47x_TLB2_I | PPC47x_TLB2_M | PPC47x_TLB2_G) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ extern unsigned int tlb_44x_hwater; extern unsigned int tlb_44x_index; @@ -114,7 +114,7 @@ typedef struct { /* patch sites */ extern s32 patch__tlb_44x_hwater_D, patch__tlb_44x_hwater_I; -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #ifndef CONFIG_PPC_EARLY_DEBUG_44x #define PPC44x_EARLY_TLBS 1 diff --git a/arch/powerpc/include/asm/nohash/32/mmu-8xx.h b/arch/powerpc/include/asm/nohash/32/mmu-8xx.h index 2986f9ba40b8..f19115db8072 100644 --- a/arch/powerpc/include/asm/nohash/32/mmu-8xx.h +++ b/arch/powerpc/include/asm/nohash/32/mmu-8xx.h @@ -174,7 +174,7 @@ #define MODULES_SIZE (CONFIG_MODULES_SIZE * SZ_1M) #define MODULES_VADDR (MODULES_END - MODULES_SIZE) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/mmdebug.h> #include <linux/sizes.h> @@ -265,6 +265,6 @@ static inline int arch_vmap_pte_supported_shift(unsigned long size) extern s32 patch__itlbmiss_exit_1, patch__dtlbmiss_exit_1; extern s32 patch__itlbmiss_perf, patch__dtlbmiss_perf; -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* _ASM_POWERPC_MMU_8XX_H_ */ diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h index b481738c4bb5..2d71e4b7cd09 100644 --- a/arch/powerpc/include/asm/nohash/32/pgtable.h +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h @@ -4,12 +4,12 @@ #include <asm-generic/pgtable-nopmd.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/sched.h> #include <linux/threads.h> #include <asm/mmu.h> /* For sub-arch specific PPC_PIN_SIZE */ -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #define PTE_INDEX_SIZE PTE_SHIFT #define PMD_INDEX_SIZE 0 @@ -19,14 +19,14 @@ #define PMD_CACHE_INDEX PMD_INDEX_SIZE #define PUD_CACHE_INDEX PUD_INDEX_SIZE -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define PTE_TABLE_SIZE (sizeof(pte_t) << PTE_INDEX_SIZE) #define PMD_TABLE_SIZE 0 #define PUD_TABLE_SIZE 0 #define PGD_TABLE_SIZE (sizeof(pgd_t) << PGD_INDEX_SIZE) #define PMD_MASKED_BITS (PTE_TABLE_SIZE - 1) -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #define PTRS_PER_PTE (1 << PTE_INDEX_SIZE) #define PTRS_PER_PGD (1 << PGD_INDEX_SIZE) @@ -149,7 +149,7 @@ #define MAX_POSSIBLE_PHYSMEM_BITS 32 #endif -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define pmd_none(pmd) (!pmd_val(pmd)) #define pmd_bad(pmd) (pmd_val(pmd) & _PMD_BAD) @@ -199,6 +199,6 @@ static inline void pmd_clear(pmd_t *pmdp) /* We borrow LSB 2 to store the exclusive marker in swap PTEs. */ #define _PAGE_SWP_EXCLUSIVE 0x000004 -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* __ASM_POWERPC_NOHASH_32_PGTABLE_H */ diff --git a/arch/powerpc/include/asm/nohash/32/pte-8xx.h b/arch/powerpc/include/asm/nohash/32/pte-8xx.h index 54ebb91dbdcf..e2ea8ba9f8ca 100644 --- a/arch/powerpc/include/asm/nohash/32/pte-8xx.h +++ b/arch/powerpc/include/asm/nohash/32/pte-8xx.h @@ -83,7 +83,7 @@ #include <asm/pgtable-masks.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ static inline pte_t pte_wrprotect(pte_t pte) { return __pte(pte_val(pte) | _PAGE_RO); diff --git a/arch/powerpc/include/asm/nohash/64/pgtable-4k.h b/arch/powerpc/include/asm/nohash/64/pgtable-4k.h index 10f5cf444d72..fb6fa1d4e074 100644 --- a/arch/powerpc/include/asm/nohash/64/pgtable-4k.h +++ b/arch/powerpc/include/asm/nohash/64/pgtable-4k.h @@ -14,12 +14,12 @@ #define PUD_INDEX_SIZE 9 #define PGD_INDEX_SIZE 9 -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define PTE_TABLE_SIZE (sizeof(pte_t) << PTE_INDEX_SIZE) #define PMD_TABLE_SIZE (sizeof(pmd_t) << PMD_INDEX_SIZE) #define PUD_TABLE_SIZE (sizeof(pud_t) << PUD_INDEX_SIZE) #define PGD_TABLE_SIZE (sizeof(pgd_t) << PGD_INDEX_SIZE) -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #define PTRS_PER_PTE (1 << PTE_INDEX_SIZE) #define PTRS_PER_PMD (1 << PMD_INDEX_SIZE) @@ -57,7 +57,7 @@ #define p4d_bad(p4d) (p4d_val(p4d) == 0) #define p4d_present(p4d) (p4d_val(p4d) != 0) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ static inline pud_t *p4d_pgtable(p4d_t p4d) { @@ -80,7 +80,7 @@ static inline p4d_t pte_p4d(pte_t pte) } extern struct page *p4d_page(p4d_t p4d); -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #define pud_ERROR(e) \ pr_err("%s:%d: bad pud %08lx.\n", __FILE__, __LINE__, pud_val(e)) diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h index 2202c78730e8..2deb955b7bc8 100644 --- a/arch/powerpc/include/asm/nohash/64/pgtable.h +++ b/arch/powerpc/include/asm/nohash/64/pgtable.h @@ -77,7 +77,7 @@ #define H_PAGE_4K_PFN 0 -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* pte_clear moved to later in this file */ #define PMD_BAD_BITS (PTE_TABLE_SIZE-1) @@ -209,6 +209,6 @@ void __patch_exception(int exc, unsigned long addr); __patch_exception((exc), (unsigned long)&name); \ } while (0) -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_NOHASH_64_PGTABLE_H */ diff --git a/arch/powerpc/include/asm/nohash/kup-booke.h b/arch/powerpc/include/asm/nohash/kup-booke.h index 0c7c3258134c..d6bbb6d78bbe 100644 --- a/arch/powerpc/include/asm/nohash/kup-booke.h +++ b/arch/powerpc/include/asm/nohash/kup-booke.h @@ -7,7 +7,7 @@ #ifdef CONFIG_PPC_KUAP -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ .macro kuap_check_amr gpr1, gpr2 .endm @@ -105,7 +105,7 @@ __bad_kuap_fault(struct pt_regs *regs, unsigned long address, bool is_write) return !regs->kuap; } -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* CONFIG_PPC_KUAP */ diff --git a/arch/powerpc/include/asm/nohash/mmu-e500.h b/arch/powerpc/include/asm/nohash/mmu-e500.h index b281d9eeaf1e..2fad5ff426a0 100644 --- a/arch/powerpc/include/asm/nohash/mmu-e500.h +++ b/arch/powerpc/include/asm/nohash/mmu-e500.h @@ -230,7 +230,7 @@ #define MAS2_M_IF_NEEDED 0 #endif -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/bug.h> extern unsigned int tlbcam_index; @@ -318,6 +318,6 @@ extern int book3e_htw_mode; #include <asm/percpu.h> DECLARE_PER_CPU(int, next_tlbcam_idx); -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* _ASM_POWERPC_MMU_BOOK3E_H_ */ diff --git a/arch/powerpc/include/asm/nohash/pgalloc.h b/arch/powerpc/include/asm/nohash/pgalloc.h index bb5f3e8ea912..4ef780b291bc 100644 --- a/arch/powerpc/include/asm/nohash/pgalloc.h +++ b/arch/powerpc/include/asm/nohash/pgalloc.h @@ -22,7 +22,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm) pgd_t *pgd = kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE), pgtable_gfp_flags(mm, GFP_KERNEL)); -#if defined(CONFIG_PPC_8xx) || defined(CONFIG_PPC_BOOK3S_603) +#ifdef CONFIG_PPC_8xx memcpy(pgd + USER_PTRS_PER_PGD, swapper_pg_dir + USER_PTRS_PER_PGD, (MAX_PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); #endif diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h index 8d1f0b7062eb..5af168b7f292 100644 --- a/arch/powerpc/include/asm/nohash/pgtable.h +++ b/arch/powerpc/include/asm/nohash/pgtable.h @@ -2,7 +2,7 @@ #ifndef _ASM_POWERPC_NOHASH_PGTABLE_H #define _ASM_POWERPC_NOHASH_PGTABLE_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ static inline pte_basic_t pte_update(struct mm_struct *mm, unsigned long addr, pte_t *p, unsigned long clr, unsigned long set, int huge); #endif @@ -27,7 +27,7 @@ static inline pte_basic_t pte_update(struct mm_struct *mm, unsigned long addr, p #define PAGE_KERNEL_RO __pgprot(_PAGE_BASE | _PAGE_KERNEL_RO) #define PAGE_KERNEL_ROX __pgprot(_PAGE_BASE | _PAGE_KERNEL_ROX) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ extern int icache_44x_need_flush; @@ -286,7 +286,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) return __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot)); } -static inline int pte_swp_exclusive(pte_t pte) +static inline bool pte_swp_exclusive(pte_t pte) { return pte_val(pte) & _PAGE_SWP_EXCLUSIVE; } @@ -373,5 +373,5 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, int map_kernel_page(unsigned long va, phys_addr_t pa, pgprot_t prot); void unmap_kernel_page(unsigned long va); -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif diff --git a/arch/powerpc/include/asm/nohash/pte-e500.h b/arch/powerpc/include/asm/nohash/pte-e500.h index cb78392494da..b61efc3ee904 100644 --- a/arch/powerpc/include/asm/nohash/pte-e500.h +++ b/arch/powerpc/include/asm/nohash/pte-e500.h @@ -86,7 +86,7 @@ #include <asm/pgtable-masks.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ static inline pte_t pte_mkexec(pte_t pte) { return __pte((pte_val(pte) & ~_PAGE_BAP_SX) | _PAGE_BAP_UX); @@ -134,7 +134,7 @@ static inline unsigned long pud_leaf_size(pud_t pud) #endif -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_NOHASH_PTE_E500_H */ diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h index 8c9d4b26bf57..d3eaa3425797 100644 --- a/arch/powerpc/include/asm/opal-api.h +++ b/arch/powerpc/include/asm/opal-api.h @@ -246,7 +246,7 @@ #define OPAL_CONFIG_IDLE_UNDO 0 #define OPAL_CONFIG_IDLE_APPLY 1 -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* Other enums */ enum OpalFreezeState { @@ -1183,6 +1183,6 @@ struct opal_mpipl_fadump { struct opal_mpipl_region region[]; } __packed; -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __OPAL_API_H */ diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index af304e6cb486..0a398265ba04 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -10,7 +10,7 @@ #include <asm/opal-api.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/notifier.h> @@ -390,6 +390,6 @@ void opal_powercap_init(void); void opal_psr_init(void); void opal_sensor_groups_init(void); -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_OPAL_H */ diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index af9a2628d1df..b28fbb1d57eb 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -6,7 +6,7 @@ * Copyright (C) 2001,2005 IBM Corporation. */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/types.h> #include <linux/kernel.h> #include <linux/bug.h> @@ -23,7 +23,7 @@ */ #include <vdso/page.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #ifndef CONFIG_HUGETLB_PAGE #define HPAGE_SHIFT PAGE_SHIFT #elif defined(CONFIG_PPC_BOOK3S_64) @@ -75,7 +75,7 @@ extern unsigned int hpage_shift; #define LOAD_OFFSET ASM_CONST((CONFIG_KERNEL_START-CONFIG_PHYSICAL_START)) #if defined(CONFIG_NONSTATIC_KERNEL) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ extern phys_addr_t memstart_addr; extern phys_addr_t kernstart_addr; @@ -84,7 +84,7 @@ extern phys_addr_t kernstart_addr; extern long long virt_phys_offset; #endif -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #define PHYSICAL_START kernstart_addr #else /* !CONFIG_NONSTATIC_KERNEL */ @@ -216,7 +216,7 @@ extern long long virt_phys_offset; #endif #endif -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ static inline unsigned long virt_to_pfn(const void *kaddr) { return __pa(kaddr) >> PAGE_SHIFT; @@ -261,7 +261,7 @@ static inline const void *pfn_to_kaddr(unsigned long pfn) #define is_kernel_addr(x) ((x) >= TASK_SIZE) #endif -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #ifdef CONFIG_PPC_BOOK3S_64 #include <asm/pgtable-be-types.h> @@ -290,6 +290,6 @@ static inline unsigned long kaslr_offset(void) } #include <asm-generic/memory_model.h> -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_PAGE_H */ diff --git a/arch/powerpc/include/asm/page_32.h b/arch/powerpc/include/asm/page_32.h index b9ac9e3a771c..25482405a811 100644 --- a/arch/powerpc/include/asm/page_32.h +++ b/arch/powerpc/include/asm/page_32.h @@ -19,7 +19,7 @@ #define PTE_SHIFT (PAGE_SHIFT - PTE_T_LOG2) /* full page */ #endif -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* * The basic type of a PTE - 64 bits for those CPUs with > 32 bit * physical addressing. @@ -53,6 +53,6 @@ extern void copy_page(void *to, void *from); #define PGD_T_LOG2 (__builtin_ffs(sizeof(pgd_t)) - 1) #define PTE_T_LOG2 (__builtin_ffs(sizeof(pte_t)) - 1) -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_PAGE_32_H */ diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h index 79a9b7c6a132..0f564a06bf68 100644 --- a/arch/powerpc/include/asm/page_64.h +++ b/arch/powerpc/include/asm/page_64.h @@ -35,7 +35,7 @@ #define ESID_MASK_1T 0xffffff0000000000UL #define GET_ESID_1T(x) (((x) >> SID_SHIFT_1T) & SID_MASK_1T) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/cache.h> typedef unsigned long pte_basic_t; @@ -82,7 +82,7 @@ extern void copy_page(void *to, void *from); /* Log 2 of page table size */ extern u64 ppc64_pft_size; -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #define VM_DATA_DEFAULT_FLAGS \ (is_32bit_task() ? \ diff --git a/arch/powerpc/include/asm/papr-sysparm.h b/arch/powerpc/include/asm/papr-sysparm.h index c3cd5b131033..a3b5a0d05db6 100644 --- a/arch/powerpc/include/asm/papr-sysparm.h +++ b/arch/powerpc/include/asm/papr-sysparm.h @@ -21,6 +21,7 @@ typedef struct { #define PAPR_SYSPARM_COOP_MEM_OVERCOMMIT_ATTRS mk_papr_sysparm(44) #define PAPR_SYSPARM_TLB_BLOCK_INVALIDATE_ATTRS mk_papr_sysparm(50) #define PAPR_SYSPARM_LPAR_NAME mk_papr_sysparm(55) +#define PAPR_SYSPARM_HVPIPE_ENABLE mk_papr_sysparm(64) /** * struct papr_sysparm_buf - RTAS work area layout for system parameter functions. diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index 2aa3a091ef20..1dae53130782 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -133,8 +133,6 @@ struct pci_controller { /* IRQ domain hierarchy */ struct irq_domain *dev_domain; - struct irq_domain *msi_domain; - struct fwnode_handle *fwnode; /* iommu_ops support */ struct iommu_device iommu; diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 2f72ad885332..17fd7ff6e535 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -2,7 +2,7 @@ #ifndef _ASM_POWERPC_PGTABLE_H #define _ASM_POWERPC_PGTABLE_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/mmdebug.h> #include <linux/mmzone.h> #include <asm/processor.h> /* For TASK_SIZE */ @@ -12,7 +12,7 @@ struct mm_struct; -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #ifdef CONFIG_PPC_BOOK3S #include <asm/book3s/pgtable.h> @@ -20,18 +20,6 @@ struct mm_struct; #include <asm/nohash/pgtable.h> #endif /* !CONFIG_PPC_BOOK3S */ -/* - * Protection used for kernel text. We want the debuggers to be able to - * set breakpoints anywhere, so don't write protect the kernel text - * on platforms where such control is possible. - */ -#if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) || \ - defined(CONFIG_KPROBES) || defined(CONFIG_DYNAMIC_FTRACE) -#define PAGE_KERNEL_TEXT PAGE_KERNEL_X -#else -#define PAGE_KERNEL_TEXT PAGE_KERNEL_ROX -#endif - /* Make modules code happy. We don't set RO yet */ #define PAGE_KERNEL_EXEC PAGE_KERNEL_X @@ -39,7 +27,7 @@ struct mm_struct; #define PAGE_AGP (PAGE_KERNEL_NC) #define HAVE_PAGE_AGP -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define PFN_PTE_SHIFT PTE_RPN_SHIFT @@ -53,9 +41,8 @@ void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, #define MAX_PTRS_PER_PGD PTRS_PER_PGD #endif -/* Keep these as a macros to avoid include dependency mess */ +/* Keep this as a macro to avoid include dependency mess */ #define pte_page(x) pfn_to_page(pte_pfn(x)) -#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) static inline unsigned long pte_pfn(pte_t pte) { @@ -215,6 +202,6 @@ static inline bool arch_supports_memmap_on_memory(unsigned long vmemmap_size) #endif /* CONFIG_PPC64 */ -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_PGTABLE_H */ diff --git a/arch/powerpc/include/asm/pkeys.h b/arch/powerpc/include/asm/pkeys.h index 59a2c7dbc78f..28e752138996 100644 --- a/arch/powerpc/include/asm/pkeys.h +++ b/arch/powerpc/include/asm/pkeys.h @@ -30,9 +30,9 @@ extern u32 reserved_allocation_mask; /* bits set for reserved keys */ #endif -static inline u64 pkey_to_vmflag_bits(u16 pkey) +static inline vm_flags_t pkey_to_vmflag_bits(u16 pkey) { - return (((u64)pkey << VM_PKEY_SHIFT) & ARCH_VM_PKEY_FLAGS); + return (((vm_flags_t)pkey << VM_PKEY_SHIFT) & ARCH_VM_PKEY_FLAGS); } static inline int vma_pkey(struct vm_area_struct *vma) diff --git a/arch/powerpc/include/asm/plpar_wrappers.h b/arch/powerpc/include/asm/plpar_wrappers.h index 71648c126970..f2b6cc4341bb 100644 --- a/arch/powerpc/include/asm/plpar_wrappers.h +++ b/arch/powerpc/include/asm/plpar_wrappers.h @@ -65,6 +65,35 @@ static inline long register_dtl(unsigned long cpu, unsigned long vpa) return vpa_call(H_VPA_REG_DTL, cpu, vpa); } +/* + * Invokes H_HTM hcall with parameters passed from htm_hcall_wrapper. + * flags: Set to hardwareTarget. + * target: Specifies target using node index, nodal chip index and core index. + * operation : action to perform ie configure, start, stop, deconfigure, trace + * based on the HTM type. + * param1, param2, param3: parameters for each action. + */ +static inline long htm_call(unsigned long flags, unsigned long target, + unsigned long operation, unsigned long param1, + unsigned long param2, unsigned long param3) +{ + return plpar_hcall_norets(H_HTM, flags, target, operation, + param1, param2, param3); +} + +static inline long htm_hcall_wrapper(unsigned long flags, unsigned long nodeindex, + unsigned long nodalchipindex, unsigned long coreindexonchip, + unsigned long type, unsigned long htm_op, unsigned long param1, unsigned long param2, + unsigned long param3) +{ + return htm_call(H_HTM_FLAGS_HARDWARE_TARGET | flags, + H_HTM_TARGET_NODE_INDEX(nodeindex) | + H_HTM_TARGET_NODAL_CHIP_INDEX(nodalchipindex) | + H_HTM_TARGET_CORE_INDEX_ON_CHIP(coreindexonchip), + H_HTM_OP(htm_op) | H_HTM_TYPE(type), + param1, param2, param3); +} + extern void vpa_init(int cpu); static inline long plpar_pte_enter(unsigned long flags, diff --git a/arch/powerpc/include/asm/pmi.h b/arch/powerpc/include/asm/pmi.h deleted file mode 100644 index 478f0a2fe7f4..000000000000 --- a/arch/powerpc/include/asm/pmi.h +++ /dev/null @@ -1,53 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -#ifndef _POWERPC_PMI_H -#define _POWERPC_PMI_H - -/* - * Definitions for talking with PMI device on PowerPC - * - * PMI (Platform Management Interrupt) is a way to communicate - * with the BMC (Baseboard Management Controller) via interrupts. - * Unlike IPMI it is bidirectional and has a low latency. - * - * (C) Copyright IBM Deutschland Entwicklung GmbH 2005 - * - * Author: Christian Krafft <krafft@de.ibm.com> - */ - -#ifdef __KERNEL__ - -#define PMI_TYPE_FREQ_CHANGE 0x01 -#define PMI_TYPE_POWER_BUTTON 0x02 -#define PMI_READ_TYPE 0 -#define PMI_READ_DATA0 1 -#define PMI_READ_DATA1 2 -#define PMI_READ_DATA2 3 -#define PMI_WRITE_TYPE 4 -#define PMI_WRITE_DATA0 5 -#define PMI_WRITE_DATA1 6 -#define PMI_WRITE_DATA2 7 - -#define PMI_ACK 0x80 - -#define PMI_TIMEOUT 100 - -typedef struct { - u8 type; - u8 data0; - u8 data1; - u8 data2; -} pmi_message_t; - -struct pmi_handler { - struct list_head node; - u8 type; - void (*handle_pmi_message) (pmi_message_t); -}; - -int pmi_register_handler(struct pmi_handler *); -void pmi_unregister_handler(struct pmi_handler *); - -int pmi_send_message(pmi_message_t); - -#endif /* __KERNEL__ */ -#endif /* _POWERPC_PMI_H */ diff --git a/arch/powerpc/include/asm/pnv-pci.h b/arch/powerpc/include/asm/pnv-pci.h index 8afc92860dbb..7e9a479951a3 100644 --- a/arch/powerpc/include/asm/pnv-pci.h +++ b/arch/powerpc/include/asm/pnv-pci.h @@ -10,7 +10,6 @@ #include <linux/pci_hotplug.h> #include <linux/irq.h> #include <linux/of.h> -#include <misc/cxl-base.h> #include <asm/opal-api.h> #define PCI_SLOT_ID_PREFIX (1UL << 63) @@ -25,25 +24,9 @@ extern int pnv_pci_get_power_state(uint64_t id, uint8_t *state); extern int pnv_pci_set_power_state(uint64_t id, uint8_t state, struct opal_msg *msg); -extern int pnv_pci_set_tunnel_bar(struct pci_dev *dev, uint64_t addr, - int enable); -int pnv_phb_to_cxl_mode(struct pci_dev *dev, uint64_t mode); -int pnv_cxl_ioda_msi_setup(struct pci_dev *dev, unsigned int hwirq, - unsigned int virq); -int pnv_cxl_alloc_hwirqs(struct pci_dev *dev, int num); -void pnv_cxl_release_hwirqs(struct pci_dev *dev, int hwirq, int num); -int pnv_cxl_get_irq_count(struct pci_dev *dev); -struct device_node *pnv_pci_get_phb_node(struct pci_dev *dev); int64_t pnv_opal_pci_msi_eoi(struct irq_data *d); bool is_pnv_opal_msi(struct irq_chip *chip); -#ifdef CONFIG_CXL_BASE -int pnv_cxl_alloc_hwirq_ranges(struct cxl_irq_ranges *irqs, - struct pci_dev *dev, int num); -void pnv_cxl_release_hwirq_ranges(struct cxl_irq_ranges *irqs, - struct pci_dev *dev); -#endif - struct pnv_php_slot { struct hotplug_slot slot; uint64_t id; diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index 4312bcb913a4..55ca49d18319 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -425,6 +425,7 @@ #define PPC_RAW_SC() (0x44000002) #define PPC_RAW_SYNC() (0x7c0004ac) #define PPC_RAW_ISYNC() (0x4c00012c) +#define PPC_RAW_LWSYNC() (0x7c2004ac) /* * Define what the VSX XX1 form instructions will look like, then add @@ -570,6 +571,7 @@ (0x54000001 | ___PPC_RA(d) | ___PPC_RS(a) | __PPC_SH(i) | __PPC_MB(mb) | __PPC_ME(me)) #define PPC_RAW_RLWIMI(d, a, i, mb, me) (0x50000000 | ___PPC_RA(d) | ___PPC_RS(a) | __PPC_SH(i) | __PPC_MB(mb) | __PPC_ME(me)) #define PPC_RAW_RLDICL(d, a, i, mb) (0x78000000 | ___PPC_RA(d) | ___PPC_RS(a) | __PPC_SH64(i) | __PPC_MB64(mb)) +#define PPC_RAW_RLDICL_DOT(d, a, i, mb) (0x78000000 | ___PPC_RA(d) | ___PPC_RS(a) | __PPC_SH64(i) | __PPC_MB64(mb) | 0x1) #define PPC_RAW_RLDICR(d, a, i, me) (0x78000004 | ___PPC_RA(d) | ___PPC_RS(a) | __PPC_SH64(i) | __PPC_ME64(me)) /* slwi = rlwinm Rx, Ry, n, 0, 31-n */ diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index 02897f4b0dbf..46947c82a712 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -12,7 +12,7 @@ #include <asm/feature-fixups.h> #include <asm/extable.h> -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ #define SZL (BITS_PER_LONG/8) @@ -183,7 +183,7 @@ /* * Used to name C functions called from asm */ -#ifdef CONFIG_PPC_KERNEL_PCREL +#if defined(__powerpc64__) && defined(CONFIG_PPC_KERNEL_PCREL) #define CFUNC(name) name@notoc #else #define CFUNC(name) name @@ -868,7 +868,7 @@ END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96) #endif /* !CONFIG_PPC_BOOK3E_64 */ -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #define SOFT_MASK_TABLE(_start, _end) \ stringify_in_c(.section __soft_mask_table,"a";)\ diff --git a/arch/powerpc/include/asm/preempt.h b/arch/powerpc/include/asm/preempt.h new file mode 100644 index 000000000000..000e2b9681f3 --- /dev/null +++ b/arch/powerpc/include/asm/preempt.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_POWERPC_PREEMPT_H +#define __ASM_POWERPC_PREEMPT_H + +#include <asm-generic/preempt.h> + +#if defined(CONFIG_PREEMPT_DYNAMIC) +#include <linux/jump_label.h> +DECLARE_STATIC_KEY_TRUE(sk_dynamic_irqentry_exit_cond_resched); +#define need_irq_preemption() \ + (static_branch_unlikely(&sk_dynamic_irqentry_exit_cond_resched)) +#else +#define need_irq_preemption() (IS_ENABLED(CONFIG_PREEMPTION)) +#endif + +#endif /* __ASM_POWERPC_PREEMPT_H */ diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index 6b94de17201c..f156bdb43e2b 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -29,14 +29,14 @@ #ifdef CONFIG_PPC64 /* Default SMT priority is set to 3. Use 11- 13bits to save priority. */ #define PPR_PRIORITY 3 -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ #define DEFAULT_PPR (PPR_PRIORITY << 50) #else #define DEFAULT_PPR ((u64)PPR_PRIORITY << 50) -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* CONFIG_PPC64 */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/types.h> #include <linux/thread_info.h> #include <asm/ptrace.h> @@ -460,5 +460,5 @@ int enter_vmx_ops(void); void *exit_vmx_ops(void *dest); #endif /* __KERNEL__ */ -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_PROCESSOR_H */ diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h index c0107d8ddd8c..f679a11a7e7f 100644 --- a/arch/powerpc/include/asm/prom.h +++ b/arch/powerpc/include/asm/prom.h @@ -17,6 +17,8 @@ struct device_node; struct property; +#define MIN_RMA 768 /* Minimum RMA (in MB) for CAS negotiation */ + #define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ #define OF_DT_END_NODE 0x2 /* End node */ #define OF_DT_PROP 0x3 /* Property: name off, size, diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 7b9350756875..94aa1de2b06e 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -24,7 +24,7 @@ #include <asm/asm-const.h> #include <asm/reg.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ struct pt_regs { union { @@ -165,7 +165,7 @@ struct pt_regs #define STACK_INT_FRAME_SIZE (KERNEL_REDZONE_SIZE + STACK_USER_INT_FRAME_SIZE) #define STACK_INT_FRAME_MARKER_LONGS (STACK_INT_FRAME_MARKER/sizeof(long)) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/paca.h> #ifdef CONFIG_SMP @@ -414,7 +414,7 @@ static inline unsigned long regs_get_kernel_argument(struct pt_regs *regs, unsig return 0; } -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #ifndef __powerpc64__ /* We need PT_SOFTE defined at all time to avoid #ifdefs */ diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 0228c90bbcc7..3fe186635432 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -60,7 +60,7 @@ #define MSR_RI_LG 1 /* Recoverable Exception */ #define MSR_LE_LG 0 /* Little Endian */ -#ifdef __ASSEMBLY__ +#ifdef __ASSEMBLER__ #define __MASK(X) (1<<(X)) #else #define __MASK(X) (1UL<<(X)) @@ -1358,7 +1358,7 @@ #define PVR_ARCH_31_P11 0x0f000007 /* Macros for setting and retrieving special purpose registers */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #if defined(CONFIG_PPC64) || defined(__CHECKER__) typedef struct { @@ -1450,6 +1450,6 @@ extern void scom970_write(unsigned int address, unsigned long value); struct pt_regs; extern void ppc_save_regs(struct pt_regs *regs); -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_REG_H */ diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h index 656bfaf91526..56f9d3b1de85 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -576,7 +576,7 @@ #define TEN_THREAD(x) (1 << (x)) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define mftmr(rn) ({unsigned long rval; \ asm volatile(MFTMR(rn, %0) : "=r" (rval)); rval;}) #define mttmr(rn, v) asm volatile(MTTMR(rn, %0) : \ @@ -585,7 +585,7 @@ extern unsigned long global_dbcr0[]; -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* __ASM_POWERPC_REG_BOOKE_H__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/reg_fsl_emb.h b/arch/powerpc/include/asm/reg_fsl_emb.h index 9893d2001b68..ec459c3d9498 100644 --- a/arch/powerpc/include/asm/reg_fsl_emb.h +++ b/arch/powerpc/include/asm/reg_fsl_emb.h @@ -9,7 +9,7 @@ #include <linux/stringify.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* Performance Monitor Registers */ static __always_inline unsigned int mfpmr(unsigned int rn) { @@ -32,7 +32,7 @@ static __always_inline void mtpmr(unsigned int rn, unsigned int val) ".machine pop;" : [val] "=r" (val) : [rn] "i" (rn)); } -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ /* Freescale Book E Performance Monitor APU Registers */ #define PMRN_PMC0 0x010 /* Performance Monitor Counter 0 */ diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h index 04406162fc5a..d046bbd5017d 100644 --- a/arch/powerpc/include/asm/rtas.h +++ b/arch/powerpc/include/asm/rtas.h @@ -68,9 +68,11 @@ enum rtas_function_index { RTAS_FNIDX__IBM_READ_PCI_CONFIG, RTAS_FNIDX__IBM_READ_SLOT_RESET_STATE, RTAS_FNIDX__IBM_READ_SLOT_RESET_STATE2, + RTAS_FNIDX__IBM_RECEIVE_HVPIPE_MSG, RTAS_FNIDX__IBM_REMOVE_PE_DMA_WINDOW, RTAS_FNIDX__IBM_RESET_PE_DMA_WINDOW, RTAS_FNIDX__IBM_SCAN_LOG_DUMP, + RTAS_FNIDX__IBM_SEND_HVPIPE_MSG, RTAS_FNIDX__IBM_SET_DYNAMIC_INDICATOR, RTAS_FNIDX__IBM_SET_EEH_OPTION, RTAS_FNIDX__IBM_SET_SLOT_RESET, @@ -163,9 +165,11 @@ typedef struct { #define RTAS_FN_IBM_READ_PCI_CONFIG rtas_fn_handle(RTAS_FNIDX__IBM_READ_PCI_CONFIG) #define RTAS_FN_IBM_READ_SLOT_RESET_STATE rtas_fn_handle(RTAS_FNIDX__IBM_READ_SLOT_RESET_STATE) #define RTAS_FN_IBM_READ_SLOT_RESET_STATE2 rtas_fn_handle(RTAS_FNIDX__IBM_READ_SLOT_RESET_STATE2) +#define RTAS_FN_IBM_RECEIVE_HVPIPE_MSG rtas_fn_handle(RTAS_FNIDX__IBM_RECEIVE_HVPIPE_MSG) #define RTAS_FN_IBM_REMOVE_PE_DMA_WINDOW rtas_fn_handle(RTAS_FNIDX__IBM_REMOVE_PE_DMA_WINDOW) #define RTAS_FN_IBM_RESET_PE_DMA_WINDOW rtas_fn_handle(RTAS_FNIDX__IBM_RESET_PE_DMA_WINDOW) #define RTAS_FN_IBM_SCAN_LOG_DUMP rtas_fn_handle(RTAS_FNIDX__IBM_SCAN_LOG_DUMP) +#define RTAS_FN_IBM_SEND_HVPIPE_MSG rtas_fn_handle(RTAS_FNIDX__IBM_SEND_HVPIPE_MSG) #define RTAS_FN_IBM_SET_DYNAMIC_INDICATOR rtas_fn_handle(RTAS_FNIDX__IBM_SET_DYNAMIC_INDICATOR) #define RTAS_FN_IBM_SET_EEH_OPTION rtas_fn_handle(RTAS_FNIDX__IBM_SET_EEH_OPTION) #define RTAS_FN_IBM_SET_SLOT_RESET rtas_fn_handle(RTAS_FNIDX__IBM_SET_SLOT_RESET) @@ -217,6 +221,7 @@ typedef struct { #define RTAS_HARDWARE_ERROR -1 /* Hardware or other unspecified error. */ #define RTAS_BUSY -2 /* Retry immediately. */ #define RTAS_INVALID_PARAMETER -3 /* Invalid indicator/domain/sensor etc. */ +#define RTAS_FUNC_NOT_SUPPORTED -5 /* Function not supported */ #define RTAS_UNEXPECTED_STATE_CHANGE -7 /* Seems limited to EEH and slot reset. */ #define RTAS_EXTENDED_DELAY_MIN 9900 /* Retry after delaying for ~1ms. */ #define RTAS_EXTENDED_DELAY_MAX 9905 /* Retry after delaying for ~100s. */ @@ -233,6 +238,7 @@ typedef struct { #define RTAS_EPOW_WARNING 0x40000000 /* set bit 1 */ #define RTAS_HOTPLUG_EVENTS 0x10000000 /* set bit 3 */ #define RTAS_IO_EVENTS 0x08000000 /* set bit 4 */ +#define RTAS_HVPIPE_MSG_EVENTS 0x04000000 /* set bit 5 */ #define RTAS_EVENT_SCAN_ALL_EVENTS 0xffffffff /* RTAS event severity */ @@ -282,6 +288,7 @@ typedef struct { #define RTAS_TYPE_DEALLOC 0xE3 #define RTAS_TYPE_DUMP 0xE4 #define RTAS_TYPE_HOTPLUG 0xE5 +#define RTAS_TYPE_HVPIPE 0xE6 /* I don't add PowerMGM events right now, this is a different topic */ #define RTAS_TYPE_PMGM_POWER_SW_ON 0x60 #define RTAS_TYPE_PMGM_POWER_SW_OFF 0x61 @@ -374,6 +381,7 @@ inline uint32_t rtas_ext_event_company_id(struct rtas_ext_event_log_v6 *ext_log) #define PSERIES_ELOG_SECT_ID_HMC_ID (('H' << 8) | 'M') #define PSERIES_ELOG_SECT_ID_EPOW (('E' << 8) | 'P') #define PSERIES_ELOG_SECT_ID_IO_EVENT (('I' << 8) | 'E') +#define PSERIES_ELOG_SECT_ID_HVPIPE_EVENT (('P' << 8) | 'E') #define PSERIES_ELOG_SECT_ID_MANUFACT_INFO (('M' << 8) | 'I') #define PSERIES_ELOG_SECT_ID_CALL_HOME (('C' << 8) | 'H') #define PSERIES_ELOG_SECT_ID_USER_DEF (('U' << 8) | 'D') @@ -515,6 +523,11 @@ extern char rtas_data_buf[RTAS_DATA_BUF_SIZE]; extern unsigned long rtas_rmo_buf; extern struct mutex rtas_ibm_get_vpd_lock; +extern struct mutex rtas_ibm_get_indices_lock; +extern struct mutex rtas_ibm_set_dynamic_indicator_lock; +extern struct mutex rtas_ibm_get_dynamic_sensor_state_lock; +extern struct mutex rtas_ibm_physical_attestation_lock; +extern struct mutex rtas_ibm_send_hvpipe_msg_lock; #define GLOBAL_INTERRUPT_QUEUE 9005 diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h index eed74c1fb832..50a92b24628d 100644 --- a/arch/powerpc/include/asm/setup.h +++ b/arch/powerpc/include/asm/setup.h @@ -4,7 +4,7 @@ #include <uapi/asm/setup.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ extern void ppc_printk_progress(char *s, unsigned short hex); extern unsigned long long memory_limit; @@ -89,7 +89,7 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, extern struct seq_buf ppc_hw_desc; -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* _ASM_POWERPC_SETUP_H */ diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index b77927ccb0ab..e41b9ea42122 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -18,7 +18,7 @@ #include <linux/kernel.h> #include <linux/irqreturn.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #ifdef CONFIG_PPC64 #include <asm/paca.h> @@ -266,7 +266,7 @@ extern char __secondary_hold; extern unsigned int booting_thread_hwid; extern void __early_start(void); -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_SMP_H) */ diff --git a/arch/powerpc/include/asm/spu_csa.h b/arch/powerpc/include/asm/spu_csa.h index c33df961c045..1b3271a03392 100644 --- a/arch/powerpc/include/asm/spu_csa.h +++ b/arch/powerpc/include/asm/spu_csa.h @@ -43,7 +43,7 @@ #define SPU_DECR_STATUS_RUNNING 0x1 #define SPU_DECR_STATUS_WRAPPED 0x2 -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /** * spu_reg128 - generic 128-bit register definition. */ @@ -243,5 +243,5 @@ struct spu_state { #endif /* !__SPU__ */ #endif /* __KERNEL__ */ -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* _SPU_CSA_H_ */ diff --git a/arch/powerpc/include/asm/spu_priv1.h b/arch/powerpc/include/asm/spu_priv1.h index 6fee411d973d..66b111fa1cd1 100644 --- a/arch/powerpc/include/asm/spu_priv1.h +++ b/arch/powerpc/include/asm/spu_priv1.h @@ -215,8 +215,6 @@ spu_disable_spu (struct spu_context *ctx) * and only intended to be used by the platform setup code. */ -extern const struct spu_priv1_ops spu_priv1_mmio_ops; - extern const struct spu_management_ops spu_management_of_ops; #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/static_call.h b/arch/powerpc/include/asm/static_call.h index de1018cc522b..e3d5d3823dac 100644 --- a/arch/powerpc/include/asm/static_call.h +++ b/arch/powerpc/include/asm/static_call.h @@ -26,4 +26,6 @@ #define ARCH_DEFINE_STATIC_CALL_NULL_TRAMP(name) __PPC_SCT(name, "blr") #define ARCH_DEFINE_STATIC_CALL_RET0_TRAMP(name) __PPC_SCT(name, "b .+20") +#define CALL_INSN_SIZE 4 + #endif /* _ASM_POWERPC_STATIC_CALL_H */ diff --git a/arch/powerpc/include/asm/synch.h b/arch/powerpc/include/asm/synch.h index b0b4c64870d7..0d3ccb34adfb 100644 --- a/arch/powerpc/include/asm/synch.h +++ b/arch/powerpc/include/asm/synch.h @@ -7,7 +7,7 @@ #include <asm/feature-fixups.h> #include <asm/ppc-opcode.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup; extern void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end); @@ -40,7 +40,7 @@ static inline void ppc_after_tlbiel_barrier(void) */ asm volatile(ASM_FTR_IFSET(PPC_CP_ABORT, "", %0) : : "i" (CPU_FTR_ARCH_31) : "memory"); } -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #if defined(__powerpc64__) # define LWSYNC lwsync diff --git a/arch/powerpc/include/asm/syscall.h b/arch/powerpc/include/asm/syscall.h index 3dd36c5e334a..4b3c52ed6e9d 100644 --- a/arch/powerpc/include/asm/syscall.h +++ b/arch/powerpc/include/asm/syscall.h @@ -39,6 +39,16 @@ static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs) return -1; } +static inline void syscall_set_nr(struct task_struct *task, struct pt_regs *regs, int nr) +{ + /* + * Unlike syscall_get_nr(), syscall_set_nr() can be called only when + * the target task is stopped for tracing on entering syscall, so + * there is no need to have the same check syscall_get_nr() has. + */ + regs->gpr[0] = nr; +} + static inline void syscall_rollback(struct task_struct *task, struct pt_regs *regs) { @@ -110,6 +120,16 @@ static inline void syscall_get_arguments(struct task_struct *task, } } +static inline void syscall_set_arguments(struct task_struct *task, + struct pt_regs *regs, + const unsigned long *args) +{ + memcpy(®s->gpr[3], args, 6 * sizeof(args[0])); + + /* Also copy the first argument into orig_gpr3 */ + regs->orig_gpr3 = args[0]; +} + static inline int syscall_get_arch(struct task_struct *task) { if (is_tsk_32bit_task(task)) diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index 6ebca2996f18..b0f200aba2b3 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -41,7 +41,7 @@ #define THREAD_ALIGN (1 << THREAD_ALIGN_SHIFT) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/cache.h> #include <asm/processor.h> #include <asm/accounting.h> @@ -89,7 +89,7 @@ extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src void arch_setup_new_exec(void); #define arch_setup_new_exec arch_setup_new_exec -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ /* * thread information flag bit numbers @@ -103,6 +103,7 @@ void arch_setup_new_exec(void); #define TIF_PATCH_PENDING 6 /* pending live patching update */ #define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */ #define TIF_SINGLESTEP 8 /* singlestepping active */ +#define TIF_NEED_RESCHED_LAZY 9 /* Scheduler driven lazy preemption */ #define TIF_SECCOMP 10 /* secure computing */ #define TIF_RESTOREALL 11 /* Restore all regs (implies NOERROR) */ #define TIF_NOERROR 12 /* Force successful syscall return */ @@ -122,6 +123,7 @@ void arch_setup_new_exec(void); #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) +#define _TIF_NEED_RESCHED_LAZY (1<<TIF_NEED_RESCHED_LAZY) #define _TIF_NOTIFY_SIGNAL (1<<TIF_NOTIFY_SIGNAL) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_32BIT (1<<TIF_32BIT) @@ -142,9 +144,10 @@ void arch_setup_new_exec(void); _TIF_SYSCALL_EMU) #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \ - _TIF_NOTIFY_RESUME | _TIF_UPROBE | \ - _TIF_RESTORE_TM | _TIF_PATCH_PENDING | \ - _TIF_NOTIFY_SIGNAL) + _TIF_NEED_RESCHED_LAZY | _TIF_NOTIFY_RESUME | \ + _TIF_UPROBE | _TIF_RESTORE_TM | \ + _TIF_PATCH_PENDING | _TIF_NOTIFY_SIGNAL) + #define _TIF_PERSYSCALL_MASK (_TIF_RESTOREALL|_TIF_NOERROR) /* Bits in local_flags */ @@ -159,7 +162,7 @@ void arch_setup_new_exec(void); #define _TLF_LAZY_MMU (1 << TLF_LAZY_MMU) #define _TLF_RUNLATCH (1 << TLF_RUNLATCH) -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ static inline void clear_thread_local_flags(unsigned int flags) { @@ -230,7 +233,7 @@ static inline int arch_within_stack_frames(const void * const stack, extern void *emergency_ctx[]; #endif -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/time.h b/arch/powerpc/include/asm/time.h index 221c8f8ff89b..7991ab1d4cb8 100644 --- a/arch/powerpc/include/asm/time.h +++ b/arch/powerpc/include/asm/time.h @@ -29,6 +29,10 @@ extern u64 decrementer_max; extern void generic_calibrate_decr(void); +#ifdef CONFIG_PPC_SPLPAR +extern u64 get_boot_tb(void); +#endif + /* Some sane defaults: 125 MHz timebase, 1GHz processor */ extern unsigned long ppc_proc_freq; #define DEFAULT_PROC_FREQ (DEFAULT_TB_FREQ * 8) @@ -86,12 +90,9 @@ static inline unsigned long tb_ticks_since(unsigned long tstamp) #define mulhdu(x,y) \ ({unsigned long z; asm ("mulhdu %0,%1,%2" : "=r" (z) : "r" (x), "r" (y)); z;}) #else -extern u64 mulhdu(u64, u64); +#define mulhdu(x, y) mul_u64_u64_shr(x, y, 64) #endif -extern void div128_by_32(u64 dividend_high, u64 dividend_low, - unsigned divisor, struct div_result *dr); - extern void secondary_cpu_time_init(void); extern void __init time_init(void); diff --git a/arch/powerpc/include/asm/tlb.h b/arch/powerpc/include/asm/tlb.h index 1ca7d4c4b90d..2058e8d3e013 100644 --- a/arch/powerpc/include/asm/tlb.h +++ b/arch/powerpc/include/asm/tlb.h @@ -37,6 +37,7 @@ extern void tlb_flush(struct mmu_gather *tlb); */ #define tlb_needs_table_invalidate() radix_enabled() +#define __HAVE_ARCH_TLB_REMOVE_TABLE /* Get the generic bits... */ #include <asm-generic/tlb.h> diff --git a/arch/powerpc/include/asm/tm.h b/arch/powerpc/include/asm/tm.h index e94f6db5e367..d700affba448 100644 --- a/arch/powerpc/include/asm/tm.h +++ b/arch/powerpc/include/asm/tm.h @@ -8,7 +8,7 @@ #include <uapi/asm/tm.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ extern void tm_reclaim(struct thread_struct *thread, uint8_t cause); @@ -19,4 +19,4 @@ extern void tm_restore_sprs(struct thread_struct *thread); extern bool tm_suspend_disabled; -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h index 16bacfe8c7a2..66ed5fe1b718 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -131,14 +131,19 @@ static inline int cpu_to_coregroup_id(int cpu) #ifdef CONFIG_SMP #include <asm/cputable.h> +struct cpumask *cpu_coregroup_mask(int cpu); +const struct cpumask *cpu_die_mask(int cpu); +int cpu_die_id(int cpu); + #ifdef CONFIG_PPC64 #include <asm/smp.h> #define topology_physical_package_id(cpu) (cpu_to_chip_id(cpu)) - -#define topology_sibling_cpumask(cpu) (per_cpu(cpu_sibling_map, cpu)) -#define topology_core_cpumask(cpu) (per_cpu(cpu_core_map, cpu)) -#define topology_core_id(cpu) (cpu_to_core_id(cpu)) +#define topology_sibling_cpumask(cpu) (per_cpu(cpu_sibling_map, cpu)) +#define topology_core_cpumask(cpu) (per_cpu(cpu_core_map, cpu)) +#define topology_core_id(cpu) (cpu_to_core_id(cpu)) +#define topology_die_id(cpu) (cpu_die_id(cpu)) +#define topology_die_cpumask(cpu) (cpu_die_mask(cpu)) #endif #endif @@ -152,6 +157,7 @@ static inline bool topology_is_primary_thread(unsigned int cpu) { return cpu == cpu_first_thread_sibling(cpu); } +#define topology_is_primary_thread topology_is_primary_thread static inline bool topology_smt_thread_allowed(unsigned int cpu) { diff --git a/arch/powerpc/include/asm/types.h b/arch/powerpc/include/asm/types.h index 93157a661dcc..55d7ba6d910b 100644 --- a/arch/powerpc/include/asm/types.h +++ b/arch/powerpc/include/asm/types.h @@ -11,10 +11,10 @@ #include <uapi/asm/types.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ typedef __vector128 vector128; -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_TYPES_H */ diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 4f5a46a77fa2..784a00e681fa 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -451,7 +451,7 @@ user_write_access_begin(const void __user *ptr, size_t len) #define user_write_access_begin user_write_access_begin #define user_write_access_end prevent_current_write_to_user -#define unsafe_get_user(x, p, e) do { \ +#define arch_unsafe_get_user(x, p, e) do { \ __long_type(*(p)) __gu_val; \ __typeof__(*(p)) __user *__gu_addr = (p); \ \ @@ -459,7 +459,7 @@ user_write_access_begin(const void __user *ptr, size_t len) (x) = (__typeof__(*(p)))__gu_val; \ } while (0) -#define unsafe_put_user(x, p, e) \ +#define arch_unsafe_put_user(x, p, e) \ __put_user_size_goto((__typeof__(*(p)))(x), (p), sizeof(*(p)), e) #define unsafe_copy_from_user(d, s, l, e) \ @@ -504,11 +504,11 @@ do { \ unsafe_put_user(*(u8*)(_src + _i), (u8 __user *)(_dst + _i), e); \ } while (0) -#define __get_kernel_nofault(dst, src, type, err_label) \ +#define arch_get_kernel_nofault(dst, src, type, err_label) \ __get_user_size_goto(*((type *)(dst)), \ (__force type __user *)(src), sizeof(type), err_label) -#define __put_kernel_nofault(dst, src, type, err_label) \ +#define arch_put_kernel_nofault(dst, src, type, err_label) \ __put_user_size_goto(*((type *)(src)), \ (__force type __user *)(dst), sizeof(type), err_label) diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index 027ef94a12fb..b873fbb6d712 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -9,7 +9,7 @@ #define NR_syscalls __NR_syscalls -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/types.h> #include <linux/compiler.h> @@ -52,5 +52,5 @@ #define __ARCH_WANT_SYS_VFORK #define __ARCH_WANT_SYS_CLONE -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_UNISTD_H_ */ diff --git a/arch/powerpc/include/asm/vdso.h b/arch/powerpc/include/asm/vdso.h index 8d972bc98b55..07af32576072 100644 --- a/arch/powerpc/include/asm/vdso.h +++ b/arch/powerpc/include/asm/vdso.h @@ -3,8 +3,9 @@ #define _ASM_POWERPC_VDSO_H #define VDSO_VERSION_STRING LINUX_2.6.15 +#define __VDSO_PAGES 4 -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #ifdef CONFIG_PPC64 #include <generated/vdso64-offsets.h> @@ -20,7 +21,7 @@ int vdso_getcpu_init(void); -#else /* __ASSEMBLY__ */ +#else /* __ASSEMBLER__ */ #ifdef __VDSO64__ #define V_FUNCTION_BEGIN(name) \ @@ -48,6 +49,6 @@ int vdso_getcpu_init(void); #endif /* __VDSO32__ */ -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_VDSO_H */ diff --git a/arch/powerpc/include/asm/vdso/arch_data.h b/arch/powerpc/include/asm/vdso/arch_data.h new file mode 100644 index 000000000000..c240a6b87518 --- /dev/null +++ b/arch/powerpc/include/asm/vdso/arch_data.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM + * Copyright (C) 2005 Benjamin Herrenschmidy <benh@kernel.crashing.org>, + * IBM Corp. + */ +#ifndef _ASM_POWERPC_VDSO_ARCH_DATA_H +#define _ASM_POWERPC_VDSO_ARCH_DATA_H + +#include <linux/unistd.h> +#include <linux/types.h> + +#define SYSCALL_MAP_SIZE ((NR_syscalls + 31) / 32) + +#ifdef CONFIG_PPC64 + +struct vdso_arch_data { + __u64 tb_ticks_per_sec; /* Timebase tics / sec */ + __u32 dcache_block_size; /* L1 d-cache block size */ + __u32 icache_block_size; /* L1 i-cache block size */ + __u32 dcache_log_block_size; /* L1 d-cache log block size */ + __u32 icache_log_block_size; /* L1 i-cache log block size */ + __u32 syscall_map[SYSCALL_MAP_SIZE]; /* Map of syscalls */ + __u32 compat_syscall_map[SYSCALL_MAP_SIZE]; /* Map of compat syscalls */ +}; + +#else /* CONFIG_PPC64 */ + +struct vdso_arch_data { + __u64 tb_ticks_per_sec; /* Timebase tics / sec */ + __u32 syscall_map[SYSCALL_MAP_SIZE]; /* Map of syscalls */ + __u32 compat_syscall_map[0]; /* No compat syscalls on PPC32 */ +}; + +#endif /* CONFIG_PPC64 */ + +#endif /* _ASM_POWERPC_VDSO_ARCH_DATA_H */ diff --git a/arch/powerpc/include/asm/vdso/getrandom.h b/arch/powerpc/include/asm/vdso/getrandom.h index 80ce0709725e..4c24976061f4 100644 --- a/arch/powerpc/include/asm/vdso/getrandom.h +++ b/arch/powerpc/include/asm/vdso/getrandom.h @@ -5,7 +5,7 @@ #ifndef _ASM_POWERPC_VDSO_GETRANDOM_H #define _ASM_POWERPC_VDSO_GETRANDOM_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/vdso_datapage.h> @@ -43,24 +43,25 @@ static __always_inline ssize_t getrandom_syscall(void *buffer, size_t len, unsig (unsigned long)len, (unsigned long)flags); } -static __always_inline struct vdso_rng_data *__arch_get_vdso_rng_data(void) +static __always_inline const struct vdso_rng_data *__arch_get_vdso_u_rng_data(void) { - struct vdso_arch_data *data; + struct vdso_rng_data *data; asm ( " bcl 20, 31, .+4 ;" "0: mflr %0 ;" - " addis %0, %0, (_vdso_datapage - 0b)@ha ;" - " addi %0, %0, (_vdso_datapage - 0b)@l ;" + " addis %0, %0, (vdso_u_rng_data - 0b)@ha ;" + " addi %0, %0, (vdso_u_rng_data - 0b)@l ;" : "=r" (data) : : "lr" ); - return &data->rng_data; + return data; } +#define __arch_get_vdso_u_rng_data __arch_get_vdso_u_rng_data ssize_t __c_kernel_getrandom(void *buffer, size_t len, unsigned int flags, void *opaque_state, size_t opaque_len); -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* _ASM_POWERPC_VDSO_GETRANDOM_H */ diff --git a/arch/powerpc/include/asm/vdso/gettimeofday.h b/arch/powerpc/include/asm/vdso/gettimeofday.h index c6390890a60c..ab3df12c8d94 100644 --- a/arch/powerpc/include/asm/vdso/gettimeofday.h +++ b/arch/powerpc/include/asm/vdso/gettimeofday.h @@ -2,7 +2,7 @@ #ifndef _ASM_POWERPC_VDSO_GETTIMEOFDAY_H #define _ASM_POWERPC_VDSO_GETTIMEOFDAY_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/vdso/timebase.h> #include <asm/barrier.h> @@ -94,22 +94,12 @@ int clock_getres32_fallback(clockid_t _clkid, struct old_timespec32 *_ts) #endif static __always_inline u64 __arch_get_hw_counter(s32 clock_mode, - const struct vdso_data *vd) + const struct vdso_time_data *vd) { return get_tb(); } -const struct vdso_data *__arch_get_vdso_data(void); - -#ifdef CONFIG_TIME_NS -static __always_inline -const struct vdso_data *__arch_get_timens_vdso_data(const struct vdso_data *vd) -{ - return (void *)vd + (1U << CONFIG_PAGE_SHIFT); -} -#endif - -static inline bool vdso_clocksource_ok(const struct vdso_data *vd) +static inline bool vdso_clocksource_ok(const struct vdso_clock *vc) { return true; } @@ -135,21 +125,22 @@ static __always_inline u64 vdso_shift_ns(u64 ns, unsigned long shift) #ifdef __powerpc64__ int __c_kernel_clock_gettime(clockid_t clock, struct __kernel_timespec *ts, - const struct vdso_data *vd); + const struct vdso_time_data *vd); int __c_kernel_clock_getres(clockid_t clock_id, struct __kernel_timespec *res, - const struct vdso_data *vd); + const struct vdso_time_data *vd); #else int __c_kernel_clock_gettime(clockid_t clock, struct old_timespec32 *ts, - const struct vdso_data *vd); + const struct vdso_time_data *vd); int __c_kernel_clock_gettime64(clockid_t clock, struct __kernel_timespec *ts, - const struct vdso_data *vd); + const struct vdso_time_data *vd); int __c_kernel_clock_getres(clockid_t clock_id, struct old_timespec32 *res, - const struct vdso_data *vd); + const struct vdso_time_data *vd); #endif int __c_kernel_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz, - const struct vdso_data *vd); + const struct vdso_time_data *vd); __kernel_old_time_t __c_kernel_time(__kernel_old_time_t *time, - const struct vdso_data *vd); -#endif /* __ASSEMBLY__ */ + const struct vdso_time_data *vd); + +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_VDSO_GETTIMEOFDAY_H */ diff --git a/arch/powerpc/include/asm/vdso/processor.h b/arch/powerpc/include/asm/vdso/processor.h index 80d13207c568..c1f3d7aaf3ee 100644 --- a/arch/powerpc/include/asm/vdso/processor.h +++ b/arch/powerpc/include/asm/vdso/processor.h @@ -2,7 +2,7 @@ #ifndef _ASM_POWERPC_VDSO_PROCESSOR_H #define _ASM_POWERPC_VDSO_PROCESSOR_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ /* Macros for adjusting thread priority (hardware multi-threading) */ #ifdef CONFIG_PPC64 @@ -33,6 +33,6 @@ #define cpu_relax() barrier() #endif -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_VDSO_PROCESSOR_H */ diff --git a/arch/powerpc/include/asm/vdso/vsyscall.h b/arch/powerpc/include/asm/vdso/vsyscall.h index 48560a119559..bee18e8660a0 100644 --- a/arch/powerpc/include/asm/vdso/vsyscall.h +++ b/arch/powerpc/include/asm/vdso/vsyscall.h @@ -2,26 +2,13 @@ #ifndef _ASM_POWERPC_VDSO_VSYSCALL_H #define _ASM_POWERPC_VDSO_VSYSCALL_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <asm/vdso_datapage.h> -static __always_inline -struct vdso_data *__arch_get_k_vdso_data(void) -{ - return vdso_data->data; -} -#define __arch_get_k_vdso_data __arch_get_k_vdso_data - -static __always_inline -struct vdso_rng_data *__arch_get_k_vdso_rng_data(void) -{ - return &vdso_data->rng_data; -} - /* The asm-generic header needs to be included after the definitions above */ #include <asm-generic/vdso/vsyscall.h> -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #endif /* _ASM_POWERPC_VDSO_VSYSCALL_H */ diff --git a/arch/powerpc/include/asm/vdso_datapage.h b/arch/powerpc/include/asm/vdso_datapage.h index a202f5b63479..441264af0e36 100644 --- a/arch/powerpc/include/asm/vdso_datapage.h +++ b/arch/powerpc/include/asm/vdso_datapage.h @@ -9,59 +9,21 @@ * IBM Corp. */ -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ -#include <linux/unistd.h> -#include <linux/time.h> #include <vdso/datapage.h> -#define SYSCALL_MAP_SIZE ((NR_syscalls + 31) / 32) +#else /* __ASSEMBLER__ */ -#ifdef CONFIG_PPC64 - -struct vdso_arch_data { - __u64 tb_ticks_per_sec; /* Timebase tics / sec */ - __u32 dcache_block_size; /* L1 d-cache block size */ - __u32 icache_block_size; /* L1 i-cache block size */ - __u32 dcache_log_block_size; /* L1 d-cache log block size */ - __u32 icache_log_block_size; /* L1 i-cache log block size */ - __u32 syscall_map[SYSCALL_MAP_SIZE]; /* Map of syscalls */ - __u32 compat_syscall_map[SYSCALL_MAP_SIZE]; /* Map of compat syscalls */ - - struct vdso_rng_data rng_data; - - struct vdso_data data[CS_BASES] __aligned(1 << CONFIG_PAGE_SHIFT); -}; - -#else /* CONFIG_PPC64 */ - -struct vdso_arch_data { - __u64 tb_ticks_per_sec; /* Timebase tics / sec */ - __u32 syscall_map[SYSCALL_MAP_SIZE]; /* Map of syscalls */ - __u32 compat_syscall_map[0]; /* No compat syscalls on PPC32 */ - struct vdso_rng_data rng_data; - - struct vdso_data data[CS_BASES] __aligned(1 << CONFIG_PAGE_SHIFT); -}; - -#endif /* CONFIG_PPC64 */ - -extern struct vdso_arch_data *vdso_data; - -#else /* __ASSEMBLY__ */ - -.macro get_datapage ptr offset=0 +.macro get_datapage ptr symbol bcl 20, 31, .+4 999: mflr \ptr - addis \ptr, \ptr, (_vdso_datapage - 999b + \offset)@ha - addi \ptr, \ptr, (_vdso_datapage - 999b + \offset)@l + addis \ptr, \ptr, (\symbol - 999b)@ha + addi \ptr, \ptr, (\symbol - 999b)@l .endm -#include <asm/asm-offsets.h> -#include <asm/page.h> - -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __KERNEL__ */ #endif /* _SYSTEMCFG_H */ diff --git a/arch/powerpc/include/asm/xics.h b/arch/powerpc/include/asm/xics.h index 89090485bec1..60ef312dab05 100644 --- a/arch/powerpc/include/asm/xics.h +++ b/arch/powerpc/include/asm/xics.h @@ -31,7 +31,6 @@ #ifdef CONFIG_PPC_ICP_NATIVE extern int icp_native_init(void); extern void icp_native_flush_interrupt(void); -extern void icp_native_cause_ipi_rm(int cpu); #else static inline int icp_native_init(void) { return -ENODEV; } #endif diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/xive.h index 92930b0b5d0e..efb0f5effcc6 100644 --- a/arch/powerpc/include/asm/xive.h +++ b/arch/powerpc/include/asm/xive.h @@ -111,7 +111,6 @@ void xive_native_free_vp_block(u32 vp_base); int xive_native_populate_irq_data(u32 hw_irq, struct xive_irq_data *data); void xive_cleanup_irq_data(struct xive_irq_data *xd); -void xive_irq_free_data(unsigned int virq); void xive_native_free_irq(u32 irq); int xive_native_configure_irq(u32 hw_irq, u32 target, u8 prio, u32 sw_irq); diff --git a/arch/powerpc/include/asm/xmon.h b/arch/powerpc/include/asm/xmon.h index f2d44b44f46c..535cdb1e411a 100644 --- a/arch/powerpc/include/asm/xmon.h +++ b/arch/powerpc/include/asm/xmon.h @@ -12,13 +12,11 @@ #ifdef CONFIG_XMON extern void xmon_setup(void); -void __init xmon_register_spus(struct list_head *list); struct pt_regs; extern int xmon(struct pt_regs *excp); extern irqreturn_t xmon_irq(int, void *); #else static inline void xmon_setup(void) { } -static inline void xmon_register_spus(struct list_head *list) { } #endif #if defined(CONFIG_XMON) && defined(CONFIG_SMP) |