diff options
Diffstat (limited to 'arch/powerpc/include/asm')
173 files changed, 1429 insertions, 2301 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-compat.h b/arch/powerpc/include/asm/asm-compat.h index 2bc53c646ccd..f48e644900a2 100644 --- a/arch/powerpc/include/asm/asm-compat.h +++ b/arch/powerpc/include/asm/asm-compat.h @@ -26,19 +26,23 @@ #define PPC_MIN_STKFRM 112 #ifdef __BIG_ENDIAN__ -#define LHZX_BE stringify_in_c(lhzx) #define LWZX_BE stringify_in_c(lwzx) #define LDX_BE stringify_in_c(ldx) #define STWX_BE stringify_in_c(stwx) #define STDX_BE stringify_in_c(stdx) #else -#define LHZX_BE stringify_in_c(lhbrx) #define LWZX_BE stringify_in_c(lwbrx) #define LDX_BE stringify_in_c(ldbrx) #define STWX_BE stringify_in_c(stwbrx) #define STDX_BE stringify_in_c(stdbrx) #endif +#ifdef CONFIG_CC_IS_CLANG +#define DS_FORM_CONSTRAINT "Z<>" +#else +#define DS_FORM_CONSTRAINT "YZ<>" +#endif + #else /* 32-bit */ /* operations for longs and pointers */ 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/atomic.h b/arch/powerpc/include/asm/atomic.h index 5bf6a4d49268..d1ea554c33ed 100644 --- a/arch/powerpc/include/asm/atomic.h +++ b/arch/powerpc/include/asm/atomic.h @@ -11,6 +11,7 @@ #include <asm/cmpxchg.h> #include <asm/barrier.h> #include <asm/asm-const.h> +#include <asm/asm-compat.h> /* * Since *_return_relaxed and {cmp}xchg_relaxed are implemented with @@ -197,7 +198,7 @@ static __inline__ s64 arch_atomic64_read(const atomic64_t *v) if (IS_ENABLED(CONFIG_PPC_KERNEL_PREFIXED)) __asm__ __volatile__("ld %0,0(%1)" : "=r"(t) : "b"(&v->counter)); else - __asm__ __volatile__("ld%U1%X1 %0,%1" : "=r"(t) : "m<>"(v->counter)); + __asm__ __volatile__("ld%U1%X1 %0,%1" : "=r"(t) : DS_FORM_CONSTRAINT (v->counter)); return t; } @@ -208,7 +209,7 @@ static __inline__ void arch_atomic64_set(atomic64_t *v, s64 i) if (IS_ENABLED(CONFIG_PPC_KERNEL_PREFIXED)) __asm__ __volatile__("std %1,0(%2)" : "=m"(v->counter) : "r"(i), "b"(&v->counter)); else - __asm__ __volatile__("std%U0%X0 %1,%0" : "=m<>"(v->counter) : "r"(i)); + __asm__ __volatile__("std%U0%X0 %1,%0" : "=" DS_FORM_CONSTRAINT (v->counter) : "r"(i)); } #define ATOMIC64_OP(op, asm_op) \ 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 dc5c039eb28e..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) @@ -47,8 +53,6 @@ static inline void pgtable_free(void *table, unsigned index_size) } } -#define get_hugepd_cache_index(x) (x) - static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift) { diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h index 52971ee30717..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 @@ -196,9 +196,10 @@ void unmap_kernel_page(unsigned long va); #endif #define MODULES_END ALIGN_DOWN(PAGE_OFFSET, SZ_256M) -#define MODULES_VADDR (MODULES_END - SZ_256M) +#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> @@ -364,7 +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; } @@ -601,6 +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 6472b08fa1b0..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) @@ -74,20 +74,33 @@ #define remap_4k_pfn(vma, addr, pfn, prot) \ remap_pfn_range((vma), (addr), (pfn), PAGE_SIZE, (prot)) -#ifdef CONFIG_HUGETLB_PAGE -static inline int hash__hugepd_ok(hugepd_t hpd) +/* + * With 4K page size the real_pte machinery is all nops. + */ +static inline real_pte_t __real_pte(pte_t pte, pte_t *ptep, int offset) { - unsigned long hpdval = hpd_val(hpd); - /* - * if it is not a pte and have hugepd shift mask - * set, then it is a hugepd directory pointer - */ - if (!(hpdval & _PAGE_PTE) && (hpdval & _PAGE_PRESENT) && - ((hpdval & HUGEPD_SHIFT_MASK) != 0)) - return true; - return false; + return (real_pte_t){pte}; } -#endif + +#define __rpte_to_pte(r) ((r).pte) + +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 { \ + index = 0; \ + shift = mmu_psize_defs[psize].shift; \ + +#define pte_iterate_hashed_end() } while(0) + +/* + * We expect this to be called only for user addresses or kernel virtual + * addresses other than the linear mapping. + */ +#define pte_pagesize_index(mm, addr, pte) MMU_PAGE_4K /* * 4K PTE format is different from 64K PTE format. Saving the hash_slot is just @@ -155,12 +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 faf3e3b4e4b2..5a8cbd496731 100644 --- a/arch/powerpc/include/asm/book3s/64/hash.h +++ b/arch/powerpc/include/asm/book3s/64/hash.h @@ -4,6 +4,7 @@ #ifdef __KERNEL__ #include <asm/asm-const.h> +#include <asm/book3s/64/slice.h> /* * Common bits between 4K and 64K pages in a linux-style PTE. @@ -111,7 +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; @@ -161,14 +162,10 @@ extern void hpte_need_flush(struct mm_struct *mm, unsigned long addr, pte_t *ptep, unsigned long pte, int huge); unsigned long htab_convert_pte_flags(unsigned long pteflags, unsigned long flags); /* Atomic PTE updates */ -static inline unsigned long hash__pte_update(struct mm_struct *mm, - unsigned long addr, - pte_t *ptep, unsigned long clr, - unsigned long set, - int huge) +static inline unsigned long hash__pte_update_one(pte_t *ptep, unsigned long clr, + unsigned long set) { __be64 old_be, tmp_be; - unsigned long old; __asm__ __volatile__( "1: ldarx %0,0,%3 # pte_update\n\ @@ -182,11 +179,40 @@ static inline unsigned long hash__pte_update(struct mm_struct *mm, : "r" (ptep), "r" (cpu_to_be64(clr)), "m" (*ptep), "r" (cpu_to_be64(H_PAGE_BUSY)), "r" (cpu_to_be64(set)) : "cc" ); + + return be64_to_cpu(old_be); +} + +static inline unsigned long hash__pte_update(struct mm_struct *mm, + unsigned long addr, + pte_t *ptep, unsigned long clr, + unsigned long set, + int huge) +{ + unsigned long old; + + old = hash__pte_update_one(ptep, clr, set); + + if (IS_ENABLED(CONFIG_PPC_4K_PAGES) && huge) { + unsigned int psize = get_slice_psize(mm, addr); + int nb, i; + + if (psize == MMU_PAGE_16M) + nb = SZ_16M / PMD_SIZE; + else if (psize == MMU_PAGE_16G) + nb = SZ_16G / PUD_SIZE; + else + nb = 1; + + WARN_ON_ONCE(nb == 1); /* Should never happen */ + + for (i = 1; i < nb; i++) + hash__pte_update_one(ptep + i, clr, set); + } /* huge pages use the old page table lock */ if (!huge) assert_pte_locked(mm, addr); - old = be64_to_cpu(old_be); if (old & H_PAGE_HASHPTE) hpte_need_flush(mm, addr, ptep, old, huge); @@ -269,6 +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 aa1c67c8bfc8..bb786694dd26 100644 --- a/arch/powerpc/include/asm/book3s/64/hugetlb.h +++ b/arch/powerpc/include/asm/book3s/64/hugetlb.h @@ -49,9 +49,6 @@ static inline bool gigantic_page_runtime_supported(void) return true; } -/* hugepd entry valid bit */ -#define HUGEPD_VAL_BITS (0x8000000000000000UL) - #define huge_ptep_modify_prot_start huge_ptep_modify_prot_start extern pte_t huge_ptep_modify_prot_start(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep); @@ -60,29 +57,7 @@ extern pte_t huge_ptep_modify_prot_start(struct vm_area_struct *vma, extern void huge_ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t old_pte, pte_t new_pte); -/* - * This should work for other subarchs too. But right now we use the - * new format only for 64bit book3s - */ -static inline pte_t *hugepd_page(hugepd_t hpd) -{ - BUG_ON(!hugepd_ok(hpd)); - /* - * We have only four bits to encode, MMU page size - */ - BUILD_BUG_ON((MMU_PAGE_COUNT - 1) > 0xf); - return __va(hpd_val(hpd) & HUGEPD_ADDR_MASK); -} -static inline unsigned int hugepd_mmu_psize(hugepd_t hpd) -{ - return (hpd_val(hpd) & HUGEPD_SHIFT_MASK) >> 2; -} - -static inline unsigned int hugepd_shift(hugepd_t hpd) -{ - return mmu_psize_to_shift(hugepd_mmu_psize(hpd)); -} static inline void flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr) { @@ -90,19 +65,6 @@ static inline void flush_hugetlb_page(struct vm_area_struct *vma, return radix__flush_hugetlb_page(vma, vmaddr); } -static inline pte_t *hugepte_offset(hugepd_t hpd, unsigned long addr, - unsigned int pdshift) -{ - unsigned long idx = (addr & ((1UL << pdshift) - 1)) >> hugepd_shift(hpd); - - return hugepd_page(hpd) + idx; -} - -static inline void hugepd_populate(hugepd_t *hpdp, pte_t *new, unsigned int pshift) -{ - *hpdp = __hugepd(__pa(new) | HUGEPD_VAL_BITS | (shift_to_mmu_psize(pshift) << 2)); -} - void flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr); static inline int check_and_get_huge_psize(int shift) @@ -132,4 +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-4k.h b/arch/powerpc/include/asm/book3s/64/pgtable-4k.h deleted file mode 100644 index baf934578c3a..000000000000 --- a/arch/powerpc/include/asm/book3s/64/pgtable-4k.h +++ /dev/null @@ -1,47 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_POWERPC_BOOK3S_64_PGTABLE_4K_H -#define _ASM_POWERPC_BOOK3S_64_PGTABLE_4K_H -/* - * hash 4k can't share hugetlb and also doesn't support THP - */ -#ifndef __ASSEMBLY__ -#ifdef CONFIG_HUGETLB_PAGE -/* - * With radix , we have hugepage ptes in the pud and pmd entries. We don't - * need to setup hugepage directory for them. Our pte and page directory format - * enable us to have this enabled. - */ -static inline int hugepd_ok(hugepd_t hpd) -{ - if (radix_enabled()) - return 0; - return hash__hugepd_ok(hpd); -} -#define is_hugepd(hpd) (hugepd_ok(hpd)) - -/* - * 16M and 16G huge page directory tables are allocated from slab cache - * - */ -#define H_16M_CACHE_INDEX (PAGE_SHIFT + H_PTE_INDEX_SIZE + H_PMD_INDEX_SIZE - 24) -#define H_16G_CACHE_INDEX \ - (PAGE_SHIFT + H_PTE_INDEX_SIZE + H_PMD_INDEX_SIZE + H_PUD_INDEX_SIZE - 34) - -static inline int get_hugepd_cache_index(int index) -{ - switch (index) { - case H_16M_CACHE_INDEX: - return HTLB_16M_INDEX; - case H_16G_CACHE_INDEX: - return HTLB_16G_INDEX; - default: - BUG(); - } - /* should not reach */ -} - -#endif /* CONFIG_HUGETLB_PAGE */ - -#endif /* __ASSEMBLY__ */ - -#endif /*_ASM_POWERPC_BOOK3S_64_PGTABLE_4K_H */ diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h index 6ac73da7b80e..004a03e97e58 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h @@ -2,29 +2,9 @@ #ifndef _ASM_POWERPC_BOOK3S_64_PGTABLE_64K_H #define _ASM_POWERPC_BOOK3S_64_PGTABLE_64K_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #ifdef CONFIG_HUGETLB_PAGE -/* - * With 64k page size, we have hugepage ptes in the pgd and pmd entries. We don't - * need to setup hugepage directory for them. Our pte and page directory format - * enable us to have this enabled. - */ -static inline int hugepd_ok(hugepd_t hpd) -{ - return 0; -} - -#define is_hugepd(pdep) 0 - -/* - * This should never get called - */ -static __always_inline int get_hugepd_cache_index(int index) -{ - BUILD_BUG(); -} - #endif /* CONFIG_HUGETLB_PAGE */ static inline int remap_4k_pfn(struct vm_area_struct *vma, unsigned long addr, @@ -34,5 +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 8f9432e3855a..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 */ @@ -274,7 +273,25 @@ static inline bool pud_leaf(pud_t pud) { return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE)); } -#endif /* __ASSEMBLY__ */ + +#define pmd_leaf_size pmd_leaf_size +static inline unsigned long pmd_leaf_size(pmd_t pmd) +{ + if (IS_ENABLED(CONFIG_PPC_4K_PAGES) && !radix_enabled()) + return SZ_16M; + else + return PMD_SIZE; +} + +#define pud_leaf_size pud_leaf_size +static inline unsigned long pud_leaf_size(pud_t pud) +{ + if (IS_ENABLED(CONFIG_PPC_4K_PAGES) && !radix_enabled()) + return SZ_16G; + else + return PUD_SIZE; +} +#endif /* __ASSEMBLER__ */ #include <asm/book3s/64/hash.h> #include <asm/book3s/64/radix.h> @@ -285,11 +302,9 @@ static inline bool pud_leaf(pud_t pud) #define MAX_PHYSMEM_BITS R_MAX_PHYSMEM_BITS #endif - +/* hash 4k can't share hugetlb and also doesn't support THP */ #ifdef CONFIG_PPC_64K_PAGES #include <asm/book3s/64/pgtable-64k.h> -#else -#include <asm/book3s/64/pgtable-4k.h> #endif #include <asm/barrier.h> @@ -312,33 +327,7 @@ static inline bool pud_leaf(pud_t pud) #define FIXADDR_SIZE SZ_32M #define FIXADDR_TOP (IOREMAP_END + FIXADDR_SIZE) -#ifndef __ASSEMBLY__ - -/* - * This is the default implementation of various PTE accessors, it's - * used in all cases except Book3S with 64K pages where we have a - * concept of sub-pages - */ -#ifndef __real_pte - -#define __real_pte(e, p, o) ((real_pte_t){(e)}) -#define __rpte_to_pte(r) ((r).pte) -#define __rpte_to_hidx(r,index) (pte_val(__rpte_to_pte(r)) >> H_PAGE_F_GIX_SHIFT) - -#define pte_iterate_hashed_subpages(rpte, psize, va, index, shift) \ - do { \ - index = 0; \ - shift = mmu_psize_defs[psize].shift; \ - -#define pte_iterate_hashed_end() } while(0) - -/* - * We expect this to be called only for user addresses or kernel virtual - * addresses other than the linear mapping. - */ -#define pte_pagesize_index(mm, addr, pte) MMU_PAGE_4K - -#endif /* __real_pte */ +#ifndef __ASSEMBLER__ static inline unsigned long pte_update(struct mm_struct *mm, unsigned long addr, pte_t *ptep, unsigned long clr, @@ -619,24 +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 */ @@ -703,7 +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)); } @@ -1106,8 +1077,8 @@ 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, pmd_t *pmdp, pmd_t pmd); extern void set_pud_at(struct mm_struct *mm, unsigned long addr, @@ -1368,6 +1339,8 @@ static inline pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, #define __HAVE_ARCH_PMDP_INVALIDATE extern pmd_t pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, pmd_t *pmdp); +extern pud_t pudp_invalidate(struct vm_area_struct *vma, unsigned long address, + pud_t *pudp); #define pmd_move_must_withdraw pmd_move_must_withdraw struct spinlock; @@ -1387,36 +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 @@ -1438,5 +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 ef7d2de33b89..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 @@ -121,7 +121,7 @@ static inline void invalidate_dcache_range(unsigned long start, mb(); /* sync */ } -#ifdef CONFIG_4xx +#ifdef CONFIG_44x static inline void flush_instruction_cache(void) { iccci((void *)KERNELBASE); 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 0efabccd820c..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> @@ -24,9 +24,8 @@ static __always_inline bool cpu_has_feature(unsigned long feature) { int i; -#ifndef __clang__ /* clang can't cope with this */ BUILD_BUG_ON(!__builtin_constant_p(feature)); -#endif + BUILD_BUG_ON(__builtin_popcountl(feature) > 1); #ifdef CONFIG_JUMP_LABEL_FEATURE_CHECK_DEBUG if (!static_key_feature_checks_initialized) { @@ -52,5 +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 07a204d21034..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 */ @@ -193,8 +193,9 @@ static inline void cpu_feature_keys_init(void) { } #define CPU_FTR_ARCH_31 LONG_ASM_CONST(0x0004000000000000) #define CPU_FTR_DAWR1 LONG_ASM_CONST(0x0008000000000000) #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) @@ -353,7 +354,6 @@ static inline void cpu_feature_keys_init(void) { } CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE | CPU_FTR_NOEXECUTE) #define CPU_FTRS_CLASSIC32 (CPU_FTR_COMMON) #define CPU_FTRS_8XX (CPU_FTR_NOEXECUTE) -#define CPU_FTRS_40X (CPU_FTR_NOEXECUTE) #define CPU_FTRS_44X (CPU_FTR_NOEXECUTE) #define CPU_FTRS_440x6 (CPU_FTR_NOEXECUTE | \ CPU_FTR_INDEXED_DCR) @@ -455,7 +455,7 @@ static inline void cpu_feature_keys_init(void) { } CPU_FTR_DAWR | CPU_FTR_DAWR1 | \ CPU_FTR_DEXCR_NPHIE) -#define CPU_FTRS_POWER11 CPU_FTRS_POWER10 +#define CPU_FTRS_POWER11 (CPU_FTRS_POWER10 | CPU_FTR_P11_PVR) #define CPU_FTRS_CELL (CPU_FTR_LWSYNC | \ CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ @@ -476,7 +476,7 @@ static inline void cpu_feature_keys_init(void) { } (CPU_FTRS_POWER7 | CPU_FTRS_POWER8E | CPU_FTRS_POWER8 | \ CPU_FTR_ALTIVEC_COMP | CPU_FTR_VSX_COMP | CPU_FTRS_POWER9 | \ CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | \ - CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10) + CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10 | CPU_FTRS_POWER11) #else #define CPU_FTRS_POSSIBLE \ (CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | \ @@ -484,7 +484,7 @@ static inline void cpu_feature_keys_init(void) { } CPU_FTRS_POWER8 | CPU_FTRS_CELL | CPU_FTRS_PA6T | \ CPU_FTR_VSX_COMP | CPU_FTR_ALTIVEC_COMP | CPU_FTRS_POWER9 | \ CPU_FTRS_POWER9_DD2_1 | CPU_FTRS_POWER9_DD2_2 | \ - CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10) + CPU_FTRS_POWER9_DD2_3 | CPU_FTRS_POWER10 | CPU_FTRS_POWER11) #endif /* CONFIG_CPU_LITTLE_ENDIAN */ #endif #else @@ -507,9 +507,6 @@ enum { #ifdef CONFIG_PPC_8xx CPU_FTRS_8XX | #endif -#ifdef CONFIG_40x - CPU_FTRS_40X | -#endif #ifdef CONFIG_PPC_47x CPU_FTRS_47X | CPU_FTR_476_DD2 | #elif defined(CONFIG_44x) @@ -551,7 +548,7 @@ enum { (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & ~CPU_FTR_DBELL & \ CPU_FTRS_POWER7 & CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & \ CPU_FTRS_POWER9 & CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \ - CPU_FTRS_POWER10 & CPU_FTRS_DT_CPU_BASE) + CPU_FTRS_POWER10 & CPU_FTRS_POWER11 & CPU_FTRS_DT_CPU_BASE) #else #define CPU_FTRS_ALWAYS \ (CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \ @@ -559,7 +556,7 @@ enum { CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \ ~CPU_FTR_HVMODE & ~CPU_FTR_DBELL & CPU_FTRS_POSSIBLE & \ CPU_FTRS_POWER9 & CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \ - CPU_FTRS_POWER10 & CPU_FTRS_DT_CPU_BASE) + CPU_FTRS_POWER10 & CPU_FTRS_POWER11 & CPU_FTRS_DT_CPU_BASE) #endif /* CONFIG_CPU_LITTLE_ENDIAN */ #endif #else @@ -582,9 +579,6 @@ enum { #ifdef CONFIG_PPC_8xx CPU_FTRS_8XX & #endif -#ifdef CONFIG_40x - CPU_FTRS_40X & -#endif #ifdef CONFIG_PPC_47x CPU_FTRS_47X & #elif defined(CONFIG_44x) @@ -608,6 +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/dtl.h b/arch/powerpc/include/asm/dtl.h index d6f43d149f8d..a5c21bc623cb 100644 --- a/arch/powerpc/include/asm/dtl.h +++ b/arch/powerpc/include/asm/dtl.h @@ -1,8 +1,8 @@ #ifndef _ASM_POWERPC_DTL_H #define _ASM_POWERPC_DTL_H +#include <linux/rwsem.h> #include <asm/lppaca.h> -#include <linux/spinlock_types.h> /* * Layout of entries in the hypervisor's dispatch trace log buffer. @@ -35,7 +35,7 @@ struct dtl_entry { #define DTL_LOG_ALL (DTL_LOG_CEDE | DTL_LOG_PREEMPT | DTL_LOG_FAULT) extern struct kmem_cache *dtl_cache; -extern rwlock_t dtl_access_lock; +extern struct rw_semaphore dtl_access_lock; extern void register_dtl_buffer(int cpu); extern void alloc_dtl_buffers(unsigned long *time_limit); diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h index 91a9fd53254f..5e34611de9ef 100644 --- a/arch/powerpc/include/asm/eeh.h +++ b/arch/powerpc/include/asm/eeh.h @@ -308,6 +308,7 @@ int eeh_pe_reset(struct eeh_pe *pe, int option, bool include_passed); int eeh_pe_configure(struct eeh_pe *pe); int eeh_pe_inject_err(struct eeh_pe *pe, int type, int func, unsigned long addr, unsigned long mask); +int eeh_pe_inject_mmio_error(struct pci_dev *pdev); /** * EEH_POSSIBLE_ERROR() -- test for possible MMIO failure. 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/fadump.h b/arch/powerpc/include/asm/fadump.h index ef40c9b6972a..a48f54dde4f6 100644 --- a/arch/powerpc/include/asm/fadump.h +++ b/arch/powerpc/include/asm/fadump.h @@ -19,6 +19,7 @@ extern int is_fadump_active(void); extern int should_fadump_crash(void); extern void crash_fadump(struct pt_regs *, const char *); extern void fadump_cleanup(void); +void fadump_setup_param_area(void); extern void fadump_append_bootargs(void); #else /* CONFIG_FA_DUMP */ @@ -26,6 +27,7 @@ static inline int is_fadump_active(void) { return 0; } static inline int should_fadump_crash(void) { return 0; } static inline void crash_fadump(struct pt_regs *regs, const char *str) { } static inline void fadump_cleanup(void) { } +static inline void fadump_setup_param_area(void) { } static inline void fadump_append_bootargs(void) { } #endif /* !CONFIG_FA_DUMP */ @@ -34,4 +36,11 @@ extern int early_init_dt_scan_fw_dump(unsigned long node, const char *uname, int depth, void *data); extern int fadump_reserve_mem(void); #endif + +#if defined(CONFIG_FA_DUMP) && defined(CONFIG_CMA) +void fadump_cma_init(void); +#else +static inline void fadump_cma_init(void) { } +#endif + #endif /* _ASM_POWERPC_FADUMP_H */ 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 107fc5a48456..5984eaa75ce8 100644 --- a/arch/powerpc/include/asm/ftrace.h +++ b/arch/powerpc/include/asm/ftrace.h @@ -8,8 +8,6 @@ #define MCOUNT_ADDR ((unsigned long)(_mcount)) #define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ -#define HAVE_FUNCTION_GRAPH_RET_ADDR_PTR - /* Ignore unused weak functions which will have larger offsets */ #if defined(CONFIG_MPROFILE_KERNEL) || defined(CONFIG_ARCH_USING_PATCHABLE_FUNCTION_ENTRY) #define FTRACE_MCOUNT_MAX_OFFSET 16 @@ -17,7 +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, @@ -26,7 +24,10 @@ unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip, struct module; struct dyn_ftrace; struct dyn_arch_ftrace { - struct module *mod; +#ifdef CONFIG_PPC_FTRACE_OUT_OF_LINE + /* pointer to the associated out-of-line stub */ + unsigned long ool_stub; +#endif }; #ifdef CONFIG_DYNAMIC_FTRACE_WITH_ARGS @@ -34,56 +35,63 @@ struct dyn_arch_ftrace { int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec); #define ftrace_init_nop ftrace_init_nop -struct ftrace_regs { - struct pt_regs regs; -}; +#include <linux/ftrace_regs.h> static __always_inline struct pt_regs *arch_ftrace_get_regs(struct ftrace_regs *fregs) { /* We clear regs.msr in ftrace_call */ - return fregs->regs.msr ? &fregs->regs : NULL; + 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) { - regs_set_return_ip(&fregs->regs, ip); + regs_set_return_ip(&arch_ftrace_regs(fregs)->regs, ip); } static __always_inline unsigned long -ftrace_regs_get_instruction_pointer(struct ftrace_regs *fregs) +ftrace_regs_get_return_address(struct ftrace_regs *fregs) { - return instruction_pointer(&fregs->regs); + return arch_ftrace_regs(fregs)->regs.link; } -#define ftrace_regs_get_argument(fregs, n) \ - regs_get_kernel_argument(&(fregs)->regs, n) -#define ftrace_regs_get_stack_pointer(fregs) \ - kernel_stack_pointer(&(fregs)->regs) -#define ftrace_regs_return_value(fregs) \ - regs_return_value(&(fregs)->regs) -#define ftrace_regs_set_return_value(fregs, ret) \ - regs_set_return_value(&(fregs)->regs, ret) -#define ftrace_override_function_with_return(fregs) \ - override_function_with_return(&(fregs)->regs) -#define ftrace_regs_query_register_offset(name) \ - regs_query_register_offset(name) - 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, @@ -133,12 +141,40 @@ static inline u8 this_cpu_get_ftrace_enabled(void) { return 1; } #ifdef CONFIG_FUNCTION_TRACER extern unsigned int ftrace_tramp_text[], ftrace_tramp_init[]; +#ifdef CONFIG_PPC_FTRACE_OUT_OF_LINE +struct ftrace_ool_stub { +#ifdef CONFIG_DYNAMIC_FTRACE_WITH_CALL_OPS + struct ftrace_ops *ftrace_op; +#endif + u32 insn[4]; +} __aligned(sizeof(unsigned long)); +extern struct ftrace_ool_stub ftrace_ool_stub_text_end[], ftrace_ool_stub_text[], + ftrace_ool_stub_inittext[]; +extern unsigned int ftrace_ool_stub_text_end_count, ftrace_ool_stub_text_count, + ftrace_ool_stub_inittext_count; +#endif void ftrace_free_init_tramp(void); unsigned long ftrace_call_adjust(unsigned long addr); + +#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS +/* + * When an ftrace registered caller is tracing a function that is also set by a + * register_ftrace_direct() call, it needs to be differentiated in the + * ftrace_caller trampoline so that the direct call can be invoked after the + * other ftrace ops. To do this, place the direct caller in the orig_gpr3 field + * of pt_regs. This tells ftrace_caller that there's a direct caller. + */ +static inline void arch_ftrace_set_direct_caller(struct ftrace_regs *fregs, unsigned long addr) +{ + struct pt_regs *regs = &arch_ftrace_regs(fregs)->regs; + + regs->orig_gpr3 = addr; +} +#endif /* CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS */ #else 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 808149f31576..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 */ @@ -81,6 +96,7 @@ #define KVMPPC_GSID_HASHKEYR 0x1050 #define KVMPPC_GSID_HASHPKEYR 0x1051 #define KVMPPC_GSID_CTRL 0x1052 +#define KVMPPC_GSID_DPDES 0x1053 #define KVMPPC_GSID_CR 0x2000 #define KVMPPC_GSID_PIDR 0x2001 @@ -105,12 +121,17 @@ #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) #define KVMPPC_GSE_DW_REGS_START KVMPPC_GSID_GPR(0) -#define KVMPPC_GSE_DW_REGS_END KVMPPC_GSID_CTRL +#define KVMPPC_GSE_DW_REGS_END KVMPPC_GSID_DPDES #define KVMPPC_GSE_DW_REGS_COUNT \ (KVMPPC_GSE_DW_REGS_END - KVMPPC_GSE_DW_REGS_START + 1) @@ -129,7 +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) @@ -138,10 +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, }; @@ -163,6 +186,7 @@ enum { */ enum { KVMPPC_GS_FLAGS_WIDE = 0x01, + KVMPPC_GS_FLAGS_HOST_WIDE = 0x02, }; /** @@ -286,7 +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 ea71f7245a63..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, @@ -30,14 +39,14 @@ static inline int is_hugepage_only_range(struct mm_struct *mm, } #define is_hugepage_only_range is_hugepage_only_range -#define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE -void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr, - unsigned long end, unsigned long floor, - unsigned long ceiling); +#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT +void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, + pte_t pte, unsigned long sz); #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)); } @@ -47,8 +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; } @@ -67,14 +77,6 @@ static inline void flush_hugetlb_page(struct vm_area_struct *vma, { } -#define hugepd_shift(x) 0 -static inline pte_t *hugepte_offset(hugepd_t hpd, unsigned long addr, - unsigned pdshift) -{ - return NULL; -} - - static inline void __init gigantic_hugetlb_cma_reserve(void) { } diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index 7a8495660c2f..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 @@ -489,15 +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_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> /** @@ -698,6 +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 317659fdeacf..1078ba88efaf 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -59,11 +59,11 @@ #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) { - if (IS_ENABLED(CONFIG_BOOKE_OR_40x)) + if (IS_ENABLED(CONFIG_BOOKE)) wrtee(MSR_EE); else if (IS_ENABLED(CONFIG_PPC_8xx)) wrtspr(SPRN_EIE); @@ -75,7 +75,7 @@ static inline void __hard_irq_enable(void) static inline void __hard_irq_disable(void) { - if (IS_ENABLED(CONFIG_BOOKE_OR_40x)) + if (IS_ENABLED(CONFIG_BOOKE)) wrtee(0); else if (IS_ENABLED(CONFIG_PPC_8xx)) wrtspr(SPRN_EID); @@ -87,7 +87,7 @@ static inline void __hard_irq_disable(void) static inline void __hard_EE_RI_disable(void) { - if (IS_ENABLED(CONFIG_BOOKE_OR_40x)) + if (IS_ENABLED(CONFIG_BOOKE)) wrtee(0); else if (IS_ENABLED(CONFIG_PPC_8xx)) wrtspr(SPRN_NRI); @@ -99,7 +99,7 @@ static inline void __hard_EE_RI_disable(void) static inline void __hard_RI_enable(void) { - if (IS_ENABLED(CONFIG_BOOKE_OR_40x)) + if (IS_ENABLED(CONFIG_BOOKE)) return; if (IS_ENABLED(CONFIG_PPC_8xx)) @@ -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 2d6c886b40f4..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> @@ -177,7 +177,7 @@ static inline void interrupt_enter_prepare(struct pt_regs *regs) if (user_mode(regs)) { kuap_lock(); - CT_WARN_ON(ct_state() != CONTEXT_USER); + CT_WARN_ON(ct_state() != CT_STATE_USER); user_exit_irqoff(); account_cpu_user_entry(); @@ -189,8 +189,8 @@ static inline void interrupt_enter_prepare(struct pt_regs *regs) * so avoid recursion. */ if (TRAP(regs) != INTERRUPT_PROGRAM) - CT_WARN_ON(ct_state() != CONTEXT_KERNEL && - ct_state() != CONTEXT_IDLE); + CT_WARN_ON(ct_state() != CT_STATE_KERNEL && + ct_state() != CT_STATE_IDLE); INT_SOFT_MASK_BUG_ON(regs, is_implicit_soft_masked(regs)); INT_SOFT_MASK_BUG_ON(regs, arch_irq_disabled_regs(regs) && search_kernel_restart_table(regs->nip)); @@ -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 52e1b1d15ff6..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); +} + +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 CONFIG_PPC_INDIRECT_MMIO -#define DEF_PCI_HOOK_mem(x) x +#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 @@ -970,18 +901,6 @@ static inline void * phys_to_virt(unsigned long address) #define phys_to_virt phys_to_virt /* - * Change "struct page" to physical address. - */ -static inline phys_addr_t page_to_phys(struct page *page) -{ - unsigned long pfn = page_to_pfn(page); - - WARN_ON(IS_ENABLED(CONFIG_DEBUG_VIRTUAL) && !pfn_valid(pfn)); - - return PFN_PHYS(pfn); -} - -/* * 32 bits still uses virt_to_bus() for its implementation of DMA * mappings se we have to keep it defined here. We also have some old * drivers (shame shame shame) that use bus_to_virt() and haven't been @@ -1042,6 +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 026695943550..eafdd63cd6c4 100644 --- a/arch/powerpc/include/asm/iommu.h +++ b/arch/powerpc/include/asm/iommu.h @@ -31,6 +31,8 @@ #define DIRECT64_PROPNAME "linux,direct64-ddr-window-info" #define DMA64_PROPNAME "linux,dma64-ddr-window-info" +#define MIN_DDW_VPMEM_DMA_WINDOW SZ_2G + /* Boot time flags */ extern int iommu_is_off; extern int iommu_force_on; @@ -156,6 +158,9 @@ extern int iommu_tce_table_put(struct iommu_table *tbl); extern struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid, unsigned long res_start, unsigned long res_end); bool iommu_table_in_use(struct iommu_table *tbl); +extern void iommu_table_reserve_pages(struct iommu_table *tbl, + unsigned long res_start, unsigned long res_end); +extern void iommu_table_clear(struct iommu_table *tbl); #define IOMMU_TABLE_GROUP_MAX_TABLES 2 @@ -178,9 +183,9 @@ struct iommu_table_group_ops { long (*unset_window)(struct iommu_table_group *table_group, int num); /* Switch ownership from platform code to external user (e.g. VFIO) */ - long (*take_ownership)(struct iommu_table_group *table_group); + long (*take_ownership)(struct iommu_table_group *table_group, struct device *dev); /* Switch ownership from external user (e.g. VFIO) back to core */ - void (*release_ownership)(struct iommu_table_group *table_group); + void (*release_ownership)(struct iommu_table_group *table_group, struct device *dev); }; struct iommu_table_group_link { @@ -217,8 +222,8 @@ extern long iommu_tce_xchg_no_kill(struct mm_struct *mm, enum dma_data_direction *direction); extern void iommu_tce_kill(struct iommu_table *tbl, unsigned long entry, unsigned long pages); +int dev_has_iommu_table(struct device *dev, void *data); -extern struct iommu_table_group_ops spapr_tce_table_group_ops; #else static inline void iommu_register_group(struct iommu_table_group *table_group, int pci_domain_number, @@ -231,6 +236,11 @@ static inline int iommu_add_device(struct iommu_table_group *table_group, { return 0; } + +static inline int dev_has_iommu_table(struct device *dev, void *data) +{ + return 0; +} #endif /* !CONFIG_IOMMU_API */ u64 dma_iommu_get_required_mask(struct device *dev); @@ -264,12 +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); @@ -307,12 +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/irq.h b/arch/powerpc/include/asm/irq.h index ba1a5974e714..aa3751960ffd 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -33,7 +33,7 @@ extern int distribute_irqs; struct pt_regs; -#ifdef CONFIG_BOOKE_OR_40x +#ifdef CONFIG_BOOKE /* * Per-cpu stacks for handling critical, debug and machine check * level interrupts. 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 95a98b390d62..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; @@ -95,18 +94,18 @@ 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); int setup_purgatory_ppc64(struct kimage *image, const void *slave_code, const void *fdt, unsigned long kernel_load_addr, unsigned long fdt_load_addr); -unsigned int kexec_extra_fdt_size_ppc64(struct kimage *image); -int setup_new_fdt_ppc64(const struct kimage *image, void *fdt, - unsigned long initrd_load_addr, - unsigned long initrd_len, const char *cmdline); +unsigned int kexec_extra_fdt_size_ppc64(struct kimage *image, struct crash_mem *rmem); +int setup_new_fdt_ppc64(const struct kimage *image, void *fdt, struct crash_mem *rmem); #endif /* CONFIG_PPC64 */ #endif /* CONFIG_KEXEC_FILE */ @@ -115,10 +114,12 @@ int setup_new_fdt_ppc64(const struct kimage *image, void *fdt, #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) @@ -211,6 +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/kfence.h b/arch/powerpc/include/asm/kfence.h index 424ceef82ae6..1f7cab58ab2c 100644 --- a/arch/powerpc/include/asm/kfence.h +++ b/arch/powerpc/include/asm/kfence.h @@ -15,9 +15,22 @@ #define ARCH_FUNC_PREFIX "." #endif +extern bool kfence_early_init; +extern bool kfence_disabled; + +static inline void disable_kfence(void) +{ + kfence_disabled = true; +} + static inline bool arch_kfence_init_pool(void) { - return true; + return !kfence_disabled; +} + +static inline bool kfence_early_init_enabled(void) +{ + return IS_ENABLED(CONFIG_KFENCE) && kfence_early_init; } #ifdef CONFIG_PPC64 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/kprobes.h b/arch/powerpc/include/asm/kprobes.h index 4525a9c68260..dfe2e5ad3b21 100644 --- a/arch/powerpc/include/asm/kprobes.h +++ b/arch/powerpc/include/asm/kprobes.h @@ -21,7 +21,7 @@ #include <linux/percpu.h> #include <linux/module.h> #include <asm/probes.h> -#include <asm/code-patching.h> +#include <asm/text-patching.h> #ifdef CONFIG_KPROBES #define __ARCH_WANT_KPROBES_INSN_SLOT diff --git a/arch/powerpc/include/asm/kup.h b/arch/powerpc/include/asm/kup.h index ad7e8c5aec3f..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); @@ -20,7 +20,7 @@ static __always_inline bool kuap_is_disabled(void); #include <asm/nohash/32/kup-8xx.h> #endif -#ifdef CONFIG_BOOKE_OR_40x +#ifdef CONFIG_BOOKE #include <asm/nohash/kup-booke.h> #endif @@ -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.h b/arch/powerpc/include/asm/kvm_book3s.h index 3e1e2a698c9e..e1ff291ba891 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -203,7 +203,7 @@ extern bool kvmppc_hv_handle_set_rc(struct kvm *kvm, bool nested, extern int kvmppc_book3s_instantiate_page(struct kvm_vcpu *vcpu, unsigned long gpa, struct kvm_memory_slot *memslot, - bool writing, bool kvm_ro, + bool writing, pte_t *inserted_pte, unsigned int *levelp); extern int kvmppc_init_vm_radix(struct kvm *kvm); extern void kvmppc_free_radix(struct kvm *kvm); @@ -235,7 +235,7 @@ extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr); extern int kvmppc_emulate_paired_single(struct kvm_vcpu *vcpu); extern kvm_pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, - bool writing, bool *writable); + bool writing, bool *writable, struct page **page); extern void kvmppc_add_revmap_chain(struct kvm *kvm, struct revmap_entry *rev, unsigned long *rmap, long pte_index, int realmode); extern void kvmppc_update_dirty_map(const struct kvm_memory_slot *memslot, @@ -594,6 +594,7 @@ static inline u##size kvmppc_get_##reg(struct kvm_vcpu *vcpu) \ KVMPPC_BOOK3S_VCORE_ACCESSOR(vtb, 64, KVMPPC_GSID_VTB) +KVMPPC_BOOK3S_VCORE_ACCESSOR(dpdes, 64, KVMPPC_GSID_DPDES) KVMPPC_BOOK3S_VCORE_ACCESSOR_GET(arch_compat, 32, KVMPPC_GSID_LOGICAL_PVR) KVMPPC_BOOK3S_VCORE_ACCESSOR_GET(lpcr, 64, KVMPPC_GSID_LPCR) KVMPPC_BOOK3S_VCORE_ACCESSOR_SET(tb_offset, 64, KVMPPC_GSID_TB_OFFSET) diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h index d8729ec81ca0..b936e174eefd 100644 --- a/arch/powerpc/include/asm/kvm_book3s_64.h +++ b/arch/powerpc/include/asm/kvm_book3s_64.h @@ -684,6 +684,17 @@ int kvmhv_nestedv2_set_ptbl_entry(unsigned long lpid, u64 dw0, u64 dw1); int kvmhv_nestedv2_parse_output(struct kvm_vcpu *vcpu); int kvmhv_nestedv2_set_vpa(struct kvm_vcpu *vcpu, unsigned long vpa); +int kvmhv_counters_tracepoint_regfunc(void); +void kvmhv_counters_tracepoint_unregfunc(void); +int kvmhv_get_l2_counters_status(void); +void kvmhv_set_l2_counters_status(int cpu, bool status); +u64 kvmhv_get_l1_to_l2_cs_time(void); +u64 kvmhv_get_l2_to_l1_cs_time(void); +u64 kvmhv_get_l2_runtime_agg(void); +u64 kvmhv_get_l1_to_l2_cs_time_vcpu(void); +u64 kvmhv_get_l2_to_l1_cs_time_vcpu(void); +u64 kvmhv_get_l2_runtime_agg_vcpu(void); + #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */ #endif /* __ASM_KVM_BOOK3S_64_H__ */ 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 8abac532146e..2d139c807577 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -599,6 +599,9 @@ struct kvm_vcpu_arch { ulong dawrx0; ulong dawr1; ulong dawrx1; + ulong dexcr; + ulong hashkeyr; + ulong hashpkeyr; ulong ciabr; ulong cfar; ulong ppr; @@ -868,6 +871,11 @@ struct kvm_vcpu_arch { struct kvmhv_tb_accumulator cede_time; /* time napping inside guest */ #endif #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */ +#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE + u64 l1_to_l2_cs; + u64 l2_to_l1_cs; + u64 l2_runtime_agg; +#endif }; #define VCPU_FPR(vcpu, i) (vcpu)->arch.fp.fpr[i][TS_FPROFFSET] @@ -894,10 +902,8 @@ 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_sched_in(struct kvm_vcpu *vcpu, int cpu) {} static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} static inline void kvm_arch_vcpu_unblocking(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/lppaca.h b/arch/powerpc/include/asm/lppaca.h index 61ec2447dabf..f40a646bee3c 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -62,7 +62,8 @@ struct lppaca { u8 donate_dedicated_cpu; /* Donate dedicated CPU cycles */ u8 fpregs_in_use; u8 pmcregs_in_use; - u8 reserved8[28]; + u8 l2_counters_enable; /* Enable usage of counters for KVM guest */ + u8 reserved8[27]; __be64 wait_state_cycles; /* Wait cycles for this proc */ u8 reserved9[28]; __be16 slb_count; /* # of SLBs to maintain */ @@ -92,9 +93,13 @@ struct lppaca { /* cacheline 4-5 */ __be32 page_ins; /* CMO Hint - # page ins by OS */ - u8 reserved12[148]; + u8 reserved12[28]; + volatile __be64 l1_to_l2_cs_tb; + volatile __be64 l2_to_l1_cs_tb; + volatile __be64 l2_runtime_tb; + u8 reserved13[96]; volatile __be64 dtl_idx; /* Dispatch Trace Log head index */ - u8 reserved13[96]; + u8 reserved14[96]; } ____cacheline_aligned; #define lppaca_of(cpu) (*paca_ptrs[cpu]->lppaca_ptr) 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/machdep.h b/arch/powerpc/include/asm/machdep.h index 1862f94335ee..3298eec123a3 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -4,20 +4,24 @@ #ifdef __KERNEL__ #include <linux/compiler.h> -#include <linux/seq_file.h> #include <linux/init.h> -#include <linux/dma-mapping.h> #include <linux/export.h> +#include <linux/time64.h> + +#include <asm/page.h> struct pt_regs; struct pci_bus; +struct device; struct device_node; struct iommu_table; struct rtc_time; struct file; +struct pci_dev; struct pci_controller; struct kimage; struct pci_host_bridge; +struct seq_file; struct machdep_calls { const char *name; 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 17a77d47ed6d..912f78a956a1 100644 --- a/arch/powerpc/include/asm/mman.h +++ b/arch/powerpc/include/asm/mman.h @@ -6,7 +6,7 @@ #include <uapi/asm/mman.h> -#ifdef CONFIG_PPC64 +#if defined(CONFIG_PPC64) && !defined(BUILD_VDSO) #include <asm/cputable.h> #include <linux/mm.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 8a27b046c6a2..5f9c5d436e17 100644 --- a/arch/powerpc/include/asm/mmu.h +++ b/arch/powerpc/include/asm/mmu.h @@ -16,7 +16,6 @@ */ #define MMU_FTR_HPTE_TABLE ASM_CONST(0x00000001) #define MMU_FTR_TYPE_8xx ASM_CONST(0x00000002) -#define MMU_FTR_TYPE_40x ASM_CONST(0x00000004) #define MMU_FTR_TYPE_44x ASM_CONST(0x00000008) #define MMU_FTR_TYPE_FSL_E ASM_CONST(0x00000010) #define MMU_FTR_TYPE_47x ASM_CONST(0x00000020) @@ -138,7 +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> @@ -153,9 +152,6 @@ enum { #ifdef CONFIG_PPC_8xx MMU_FTR_TYPE_8xx | #endif -#ifdef CONFIG_40x - MMU_FTR_TYPE_40x | -#endif #ifdef CONFIG_PPC_47x MMU_FTR_TYPE_47x | MMU_FTR_USE_TLBIVAX_BCAST | MMU_FTR_LOCK_BCAST_INVAL | #elif defined(CONFIG_44x) @@ -202,9 +198,6 @@ enum { #ifdef CONFIG_PPC_8xx #define MMU_FTRS_ALWAYS MMU_FTR_TYPE_8xx #endif -#ifdef CONFIG_40x -#define MMU_FTRS_ALWAYS MMU_FTR_TYPE_40x -#endif #ifdef CONFIG_PPC_47x #define MMU_FTRS_ALWAYS MMU_FTR_TYPE_47x #elif defined(CONFIG_44x) @@ -246,9 +239,8 @@ static __always_inline bool mmu_has_feature(unsigned long feature) { int i; -#ifndef __clang__ /* clang can't cope with this */ BUILD_BUG_ON(!__builtin_constant_p(feature)); -#endif + BUILD_BUG_ON(__builtin_popcountl(feature) > 1); #ifdef CONFIG_JUMP_LABEL_FEATURE_CHECK_DEBUG if (!static_key_feature_checks_initialized) { @@ -340,7 +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 @@ -385,7 +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); @@ -396,7 +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/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h index 37bffa0f7918..a157ab513347 100644 --- a/arch/powerpc/include/asm/mmu_context.h +++ b/arch/powerpc/include/asm/mmu_context.h @@ -116,9 +116,6 @@ static inline bool need_extra_context(struct mm_struct *mm, unsigned long ea) } #endif -extern int use_cop(unsigned long acop, struct mm_struct *mm); -extern void drop_cop(unsigned long acop, struct mm_struct *mm); - #ifdef CONFIG_PPC_BOOK3S_64 static inline void inc_mm_active_cpus(struct mm_struct *mm) { @@ -260,15 +257,6 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, extern void arch_exit_mmap(struct mm_struct *mm); -static inline void arch_unmap(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - unsigned long vdso_base = (unsigned long)mm->context.vdso; - - if (start <= vdso_base && vdso_base < end) - mm->context.vdso = NULL; -} - #ifdef CONFIG_PPC_MEM_KEYS bool arch_vma_access_permitted(struct vm_area_struct *vma, bool write, bool execute, bool foreign); diff --git a/arch/powerpc/include/asm/mmzone.h b/arch/powerpc/include/asm/mmzone.h index da827d2d0866..049152f8d597 100644 --- a/arch/powerpc/include/asm/mmzone.h +++ b/arch/powerpc/include/asm/mmzone.h @@ -20,12 +20,6 @@ #ifdef CONFIG_NUMA -extern struct pglist_data *node_data[]; -/* - * Return a pointer to the node data for node n. - */ -#define NODE_DATA(nid) (node_data[nid]) - /* * Following are specific to this numa platform. */ @@ -35,6 +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 300c777cc307..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 */ @@ -35,9 +36,11 @@ struct mod_arch_specific { bool toc_fixed; /* Have we fixed up .TOC.? */ #endif +#ifdef CONFIG_PPC64_ELF_ABI_V1 /* For module function descriptor dereference */ unsigned long start_opd; unsigned long end_opd; +#endif #else /* powerpc64 */ /* Indices of PLT sections within module. */ unsigned int core_plt_section; @@ -47,6 +50,11 @@ struct mod_arch_specific { #ifdef CONFIG_DYNAMIC_FTRACE unsigned long tramp; unsigned long tramp_regs; +#ifdef CONFIG_PPC_FTRACE_OUT_OF_LINE + struct ftrace_ool_stub *ool_stubs; + unsigned int ool_stub_count; + unsigned int ool_stub_index; +#endif #endif }; 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/hugetlb-8xx.h b/arch/powerpc/include/asm/nohash/32/hugetlb-8xx.h index 92df40c6cc6b..014799557f60 100644 --- a/arch/powerpc/include/asm/nohash/32/hugetlb-8xx.h +++ b/arch/powerpc/include/asm/nohash/32/hugetlb-8xx.h @@ -4,42 +4,12 @@ #define PAGE_SHIFT_8M 23 -static inline pte_t *hugepd_page(hugepd_t hpd) -{ - BUG_ON(!hugepd_ok(hpd)); - - return (pte_t *)__va(hpd_val(hpd) & ~HUGEPD_SHIFT_MASK); -} - -static inline unsigned int hugepd_shift(hugepd_t hpd) -{ - return PAGE_SHIFT_8M; -} - -static inline pte_t *hugepte_offset(hugepd_t hpd, unsigned long addr, - unsigned int pdshift) -{ - unsigned long idx = (addr & (SZ_4M - 1)) >> PAGE_SHIFT; - - return hugepd_page(hpd) + idx; -} - static inline void flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr) { flush_tlb_page(vma, vmaddr); } -static inline void hugepd_populate(hugepd_t *hpdp, pte_t *new, unsigned int pshift) -{ - *hpdp = __hugepd(__pa(new) | _PMD_USER | _PMD_PRESENT | _PMD_PAGE_8M); -} - -static inline void hugepd_populate_kernel(hugepd_t *hpdp, pte_t *new, unsigned int pshift) -{ - *hpdp = __hugepd(__pa(new) | _PMD_PRESENT | _PMD_PAGE_8M); -} - static inline int check_and_get_huge_psize(int shift) { return shift_to_mmu_psize(shift); @@ -49,6 +19,14 @@ static inline int check_and_get_huge_psize(int shift) void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte, unsigned long sz); +#define __HAVE_ARCH_HUGE_PTEP_GET +static inline pte_t huge_ptep_get(struct mm_struct *mm, unsigned long addr, pte_t *ptep) +{ + if (ptep_is_8m_pmdp(mm, addr, ptep)) + ptep = pte_offset_kernel((pmd_t *)ptep, ALIGN_DOWN(addr, SZ_8M)); + return ptep_get(ptep); +} + #define __HAVE_ARCH_HUGE_PTE_CLEAR static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep, unsigned long sz) 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-40x.h b/arch/powerpc/include/asm/nohash/32/mmu-40x.h deleted file mode 100644 index 8a8f13a22cf4..000000000000 --- a/arch/powerpc/include/asm/nohash/32/mmu-40x.h +++ /dev/null @@ -1,68 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_POWERPC_MMU_40X_H_ -#define _ASM_POWERPC_MMU_40X_H_ - -/* - * PPC40x support - */ - -#define PPC40X_TLB_SIZE 64 - -/* - * TLB entries are defined by a "high" tag portion and a "low" data - * portion. On all architectures, the data portion is 32-bits. - * - * TLB entries are managed entirely under software control by reading, - * writing, and searchoing using the 4xx-specific tlbre, tlbwr, and tlbsx - * instructions. - */ - -#define TLB_LO 1 -#define TLB_HI 0 - -#define TLB_DATA TLB_LO -#define TLB_TAG TLB_HI - -/* Tag portion */ - -#define TLB_EPN_MASK 0xFFFFFC00 /* Effective Page Number */ -#define TLB_PAGESZ_MASK 0x00000380 -#define TLB_PAGESZ(x) (((x) & 0x7) << 7) -#define PAGESZ_1K 0 -#define PAGESZ_4K 1 -#define PAGESZ_16K 2 -#define PAGESZ_64K 3 -#define PAGESZ_256K 4 -#define PAGESZ_1M 5 -#define PAGESZ_4M 6 -#define PAGESZ_16M 7 -#define TLB_VALID 0x00000040 /* Entry is valid */ - -/* Data portion */ - -#define TLB_RPN_MASK 0xFFFFFC00 /* Real Page Number */ -#define TLB_PERM_MASK 0x00000300 -#define TLB_EX 0x00000200 /* Instruction execution allowed */ -#define TLB_WR 0x00000100 /* Writes permitted */ -#define TLB_ZSEL_MASK 0x000000F0 -#define TLB_ZSEL(x) (((x) & 0xF) << 4) -#define TLB_ATTR_MASK 0x0000000F -#define TLB_W 0x00000008 /* Caching is write-through */ -#define TLB_I 0x00000004 /* Caching is inhibited */ -#define TLB_M 0x00000002 /* Memory is coherent */ -#define TLB_G 0x00000001 /* Memory is guarded from prefetch */ - -#ifndef __ASSEMBLY__ - -typedef struct { - unsigned int id; - unsigned int active; - void __user *vdso; -} mm_context_t; - -#endif /* !__ASSEMBLY__ */ - -#define mmu_virtual_psize MMU_PAGE_4K -#define mmu_linear_psize MMU_PAGE_256M - -#endif /* _ASM_POWERPC_MMU_40X_H_ */ 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 141d82e249a8..f19115db8072 100644 --- a/arch/powerpc/include/asm/nohash/32/mmu-8xx.h +++ b/arch/powerpc/include/asm/nohash/32/mmu-8xx.h @@ -170,10 +170,11 @@ #define mmu_linear_psize MMU_PAGE_8M -#define MODULES_VADDR (PAGE_OFFSET - SZ_256M) #define MODULES_END PAGE_OFFSET +#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> @@ -189,19 +190,14 @@ typedef struct { #define PHYS_IMMR_BASE (mfspr(SPRN_IMMR) & 0xfff80000) -/* Page size definitions, common between 32 and 64-bit +/* + * Page size definitions for 8xx * * shift : is the "PAGE_SHIFT" value for that page size - * penc : is the pte encoding mask * */ struct mmu_psize_def { unsigned int shift; /* number of bits */ - unsigned int enc; /* PTE encoding */ - unsigned int ind; /* Corresponding indirect page size shift */ - unsigned int flags; -#define MMU_PAGE_SIZE_DIRECT 0x1 /* Supported as a direct size */ -#define MMU_PAGE_SIZE_INDIRECT 0x2 /* Supported as an indirect size */ }; extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT]; @@ -269,6 +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 9164a9e41b02..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) @@ -52,7 +52,7 @@ #define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE) #define pgd_ERROR(e) \ - pr_err("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) + pr_err("%s:%d: bad pgd %08llx.\n", __FILE__, __LINE__, (unsigned long long)pgd_val(e)) /* * This is the bottom of the PKMAP area with HIGHMEM or an arbitrary @@ -118,9 +118,7 @@ * (hardware-defined) PowerPC PTE as closely as possible. */ -#if defined(CONFIG_40x) -#include <asm/nohash/32/pte-40x.h> -#elif defined(CONFIG_44x) +#if defined(CONFIG_44x) #include <asm/nohash/32/pte-44x.h> #elif defined(CONFIG_PPC_85xx) && defined(CONFIG_PTE_64BIT) #include <asm/nohash/pte-e500.h> @@ -151,7 +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) @@ -172,7 +170,7 @@ static inline void pmd_clear(pmd_t *pmdp) #define pmd_pfn(pmd) (pmd_val(pmd) >> PAGE_SHIFT) #else #define pmd_page_vaddr(pmd) \ - ((const void *)(pmd_val(pmd) & ~(PTE_TABLE_SIZE - 1))) + ((const void *)((unsigned long)pmd_val(pmd) & ~(PTE_TABLE_SIZE - 1))) #define pmd_pfn(pmd) (__pa(pmd_val(pmd)) >> PAGE_SHIFT) #endif @@ -201,6 +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-40x.h b/arch/powerpc/include/asm/nohash/32/pte-40x.h deleted file mode 100644 index d759cfd74754..000000000000 --- a/arch/powerpc/include/asm/nohash/32/pte-40x.h +++ /dev/null @@ -1,73 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_POWERPC_NOHASH_32_PTE_40x_H -#define _ASM_POWERPC_NOHASH_32_PTE_40x_H -#ifdef __KERNEL__ - -/* - * At present, all PowerPC 400-class processors share a similar TLB - * architecture. The instruction and data sides share a unified, - * 64-entry, fully-associative TLB which is maintained totally under - * software control. In addition, the instruction side has a - * hardware-managed, 4-entry, fully-associative TLB which serves as a - * first level to the shared TLB. These two TLBs are known as the UTLB - * and ITLB, respectively (see "mmu.h" for definitions). - * - * There are several potential gotchas here. The 40x hardware TLBLO - * field looks like this: - * - * 0 1 2 3 4 ... 18 19 20 21 22 23 24 25 26 27 28 29 30 31 - * RPN..................... 0 0 EX WR ZSEL....... W I M G - * - * Where possible we make the Linux PTE bits match up with this - * - * - bits 20 and 21 must be cleared, because we use 4k pages (40x can - * support down to 1k pages), this is done in the TLBMiss exception - * handler. - * - We use only zones 0 (for kernel pages) and 1 (for user pages) - * of the 16 available. Bit 24-26 of the TLB are cleared in the TLB - * miss handler. Bit 27 is PAGE_USER, thus selecting the correct - * zone. - * - PRESENT *must* be in the bottom two bits because swap PTEs - * use the top 30 bits. Because 40x doesn't support SMP anyway, M is - * irrelevant so we borrow it for PAGE_PRESENT. Bit 30 - * is cleared in the TLB miss handler before the TLB entry is loaded. - * - All other bits of the PTE are loaded into TLBLO without - * modification, leaving us only the bits 20, 21, 24, 25, 26, 30 for - * software PTE bits. We actually use bits 21, 24, 25, and - * 30 respectively for the software bits: ACCESSED, DIRTY, RW, and - * PRESENT. - */ - -#define _PAGE_GUARDED 0x001 /* G: page is guarded from prefetch */ -#define _PAGE_PRESENT 0x002 /* software: PTE contains a translation */ -#define _PAGE_NO_CACHE 0x004 /* I: caching is inhibited */ -#define _PAGE_WRITETHRU 0x008 /* W: caching is write-through */ -#define _PAGE_READ 0x010 /* software: read permission */ -#define _PAGE_SPECIAL 0x020 /* software: Special page */ -#define _PAGE_DIRTY 0x080 /* software: dirty page */ -#define _PAGE_WRITE 0x100 /* hardware: WR, anded with dirty in exception */ -#define _PAGE_EXEC 0x200 /* hardware: EX permission */ -#define _PAGE_ACCESSED 0x400 /* software: R: page referenced */ - -/* No page size encoding in the linux PTE */ -#define _PAGE_PSIZE 0 - -/* cache related flags non existing on 40x */ -#define _PAGE_COHERENT 0 - -#define _PMD_PRESENT 0x400 /* PMD points to page of PTEs */ -#define _PMD_PRESENT_MASK _PMD_PRESENT -#define _PMD_BAD 0x802 -#define _PMD_SIZE_4M 0x0c0 -#define _PMD_SIZE_16M 0x0e0 -#define _PMD_USER 0 - -#define _PTE_NONE_MASK 0 - -#define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED) -#define _PAGE_BASE (_PAGE_BASE_NC) - -#include <asm/pgtable-masks.h> - -#endif /* __KERNEL__ */ -#endif /* _ASM_POWERPC_NOHASH_32_PTE_40x_H */ diff --git a/arch/powerpc/include/asm/nohash/32/pte-44x.h b/arch/powerpc/include/asm/nohash/32/pte-44x.h index 851813725237..da0469928273 100644 --- a/arch/powerpc/include/asm/nohash/32/pte-44x.h +++ b/arch/powerpc/include/asm/nohash/32/pte-44x.h @@ -75,9 +75,6 @@ #define _PAGE_NO_CACHE 0x00000400 /* H: I bit */ #define _PAGE_WRITETHRU 0x00000800 /* H: W bit */ -/* No page size encoding in the linux PTE */ -#define _PAGE_PSIZE 0 - /* TODO: Add large page lowmem mapping support */ #define _PMD_PRESENT 0 #define _PMD_PRESENT_MASK (PAGE_MASK) diff --git a/arch/powerpc/include/asm/nohash/32/pte-85xx.h b/arch/powerpc/include/asm/nohash/32/pte-85xx.h index 653a342d3b25..14d64b4f3f14 100644 --- a/arch/powerpc/include/asm/nohash/32/pte-85xx.h +++ b/arch/powerpc/include/asm/nohash/32/pte-85xx.h @@ -31,9 +31,6 @@ #define _PAGE_WRITETHRU 0x00400 /* H: W bit */ #define _PAGE_SPECIAL 0x00800 /* S: Special page */ -/* No page size encoding in the linux PTE */ -#define _PAGE_PSIZE 0 - #define _PMD_PRESENT 0 #define _PMD_PRESENT_MASK (PAGE_MASK) #define _PMD_BAD (~PAGE_MASK) diff --git a/arch/powerpc/include/asm/nohash/32/pte-8xx.h b/arch/powerpc/include/asm/nohash/32/pte-8xx.h index 137dc3c84e45..e2ea8ba9f8ca 100644 --- a/arch/powerpc/include/asm/nohash/32/pte-8xx.h +++ b/arch/powerpc/include/asm/nohash/32/pte-8xx.h @@ -74,17 +74,16 @@ #define _PTE_NONE_MASK 0 #ifdef CONFIG_PPC_16K_PAGES -#define _PAGE_PSIZE _PAGE_SPS +#define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_SPS) #else -#define _PAGE_PSIZE 0 +#define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED) #endif -#define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_PSIZE) #define _PAGE_BASE (_PAGE_BASE_NC) #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); @@ -120,7 +119,7 @@ static inline pte_t pte_mkhuge(pte_t pte) #define pte_mkhuge pte_mkhuge -static inline pte_basic_t pte_update(struct mm_struct *mm, unsigned long addr, pte_t *p, +static inline pte_basic_t pte_update(struct mm_struct *mm, unsigned long addr, pte_t *ptep, unsigned long clr, unsigned long set, int huge); static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) @@ -142,19 +141,12 @@ static inline void __ptep_set_access_flags(struct vm_area_struct *vma, pte_t *pt } #define __ptep_set_access_flags __ptep_set_access_flags -static inline unsigned long pgd_leaf_size(pgd_t pgd) -{ - if (pgd_val(pgd) & _PMD_PAGE_8M) - return SZ_8M; - return SZ_4M; -} - -#define pgd_leaf_size pgd_leaf_size - -static inline unsigned long pte_leaf_size(pte_t pte) +static inline unsigned long __pte_leaf_size(pmd_t pmd, pte_t pte) { pte_basic_t val = pte_val(pte); + if (pmd_val(pmd) & _PMD_PAGE_8M) + return SZ_8M; if (val & _PAGE_HUGE) return SZ_512K; if (val & _PAGE_SPS) @@ -162,31 +154,38 @@ static inline unsigned long pte_leaf_size(pte_t pte) return SZ_4K; } -#define pte_leaf_size pte_leaf_size +#define __pte_leaf_size __pte_leaf_size /* * On the 8xx, the page tables are a bit special. For 16k pages, we have * 4 identical entries. For 512k pages, we have 128 entries as if it was * 4k pages, but they are flagged as 512k pages for the hardware. - * For other page sizes, we have a single entry in the table. + * For 8M pages, we have 1024 entries as if it was 4M pages (PMD_SIZE) + * but they are flagged as 8M pages for the hardware. + * For 4k pages, we have a single entry in the table. */ static pmd_t *pmd_off(struct mm_struct *mm, unsigned long addr); -static int hugepd_ok(hugepd_t hpd); +static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address); + +static inline bool ptep_is_8m_pmdp(struct mm_struct *mm, unsigned long addr, pte_t *ptep) +{ + return (pmd_t *)ptep == pmd_off(mm, ALIGN_DOWN(addr, SZ_8M)); +} static inline int number_of_cells_per_pte(pmd_t *pmd, pte_basic_t val, int huge) { if (!huge) return PAGE_SIZE / SZ_4K; - else if (hugepd_ok(*((hugepd_t *)pmd))) - return 1; + else if ((pmd_val(*pmd) & _PMD_PAGE_MASK) == _PMD_PAGE_8M) + return SZ_4M / SZ_4K; else if (IS_ENABLED(CONFIG_PPC_4K_PAGES) && !(val & _PAGE_HUGE)) return SZ_16K / SZ_4K; else return SZ_512K / SZ_4K; } -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) +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) { pte_basic_t *entry = (pte_basic_t *)p; pte_basic_t old = pte_val(*p); @@ -198,7 +197,7 @@ static inline pte_basic_t pte_update(struct mm_struct *mm, unsigned long addr, p for (i = 0; i < num; i += PAGE_SIZE / SZ_4K, new += PAGE_SIZE) { *entry++ = new; - if (IS_ENABLED(CONFIG_PPC_16K_PAGES) && num != 1) { + if (IS_ENABLED(CONFIG_PPC_16K_PAGES)) { *entry++ = new; *entry++ = new; *entry++ = new; @@ -208,6 +207,21 @@ static inline pte_basic_t pte_update(struct mm_struct *mm, unsigned long addr, p return old; } +static inline pte_basic_t pte_update(struct mm_struct *mm, unsigned long addr, pte_t *ptep, + unsigned long clr, unsigned long set, int huge) +{ + pte_basic_t old; + + if (huge && ptep_is_8m_pmdp(mm, addr, ptep)) { + pmd_t *pmdp = (pmd_t *)ptep; + + old = __pte_update(mm, addr, pte_offset_kernel(pmdp, 0), clr, set, huge); + __pte_update(mm, addr, pte_offset_kernel(pmdp + 1, 0), clr, set, huge); + } else { + old = __pte_update(mm, addr, ptep, clr, set, huge); + } + return old; +} #define pte_update pte_update #ifdef CONFIG_PPC_16K_PAGES 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/hugetlb-e500.h b/arch/powerpc/include/asm/nohash/hugetlb-e500.h index 8f04ad20e040..cab0e1f1eea0 100644 --- a/arch/powerpc/include/asm/nohash/hugetlb-e500.h +++ b/arch/powerpc/include/asm/nohash/hugetlb-e500.h @@ -2,38 +2,8 @@ #ifndef _ASM_POWERPC_NOHASH_HUGETLB_E500_H #define _ASM_POWERPC_NOHASH_HUGETLB_E500_H -static inline pte_t *hugepd_page(hugepd_t hpd) -{ - if (WARN_ON(!hugepd_ok(hpd))) - return NULL; - - return (pte_t *)((hpd_val(hpd) & ~HUGEPD_SHIFT_MASK) | PD_HUGE); -} - -static inline unsigned int hugepd_shift(hugepd_t hpd) -{ - return hpd_val(hpd) & HUGEPD_SHIFT_MASK; -} - -static inline pte_t *hugepte_offset(hugepd_t hpd, unsigned long addr, - unsigned int pdshift) -{ - /* - * On FSL BookE, we have multiple higher-level table entries that - * point to the same hugepte. Just use the first one since they're all - * identical. So for that case, idx=0. - */ - return hugepd_page(hpd); -} - void flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr); -static inline void hugepd_populate(hugepd_t *hpdp, pte_t *new, unsigned int pshift) -{ - /* We use the old format for PPC_E500 */ - *hpdp = __hugepd(((unsigned long)new & ~PD_HUGE) | pshift); -} - static inline int check_and_get_huge_psize(int shift) { if (shift & 1) /* Not a power of 4 */ @@ -42,4 +12,13 @@ static inline int check_and_get_huge_psize(int shift) return shift_to_mmu_psize(shift); } +static inline pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags) +{ + unsigned int tsize = shift - _PAGE_PSIZE_SHIFT_OFFSET; + pte_basic_t val = (tsize << _PAGE_PSIZE_SHIFT) & _PAGE_PSIZE_MSK; + + return __pte((pte_val(entry) & ~(pte_basic_t)_PAGE_PSIZE_MSK) | val); +} +#define arch_make_huge_pte arch_make_huge_pte + #endif /* _ASM_POWERPC_NOHASH_HUGETLB_E500_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 6ddced0415cb..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; @@ -244,14 +244,11 @@ typedef struct { /* Page size definitions, common between 32 and 64-bit * * shift : is the "PAGE_SHIFT" value for that page size - * penc : is the pte encoding mask * */ struct mmu_psize_def { unsigned int shift; /* number of bits */ - unsigned int enc; /* PTE encoding */ - unsigned int ind; /* Corresponding indirect page size shift */ unsigned int flags; #define MMU_PAGE_SIZE_DIRECT 0x1 /* Supported as a direct size */ #define MMU_PAGE_SIZE_INDIRECT 0x2 /* Supported as an indirect size */ @@ -303,8 +300,7 @@ extern unsigned long linear_map_top; extern int book3e_htw_mode; #define PPC_HTW_NONE 0 -#define PPC_HTW_IBM 1 -#define PPC_HTW_E6500 2 +#define PPC_HTW_E6500 1 /* * 64-bit booke platforms don't load the tlb in the tlb miss handler code. @@ -322,6 +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/mmu.h b/arch/powerpc/include/asm/nohash/mmu.h index e264be219fdb..4cc795044103 100644 --- a/arch/powerpc/include/asm/nohash/mmu.h +++ b/arch/powerpc/include/asm/nohash/mmu.h @@ -2,10 +2,7 @@ #ifndef _ASM_POWERPC_NOHASH_MMU_H_ #define _ASM_POWERPC_NOHASH_MMU_H_ -#if defined(CONFIG_40x) -/* 40x-style software loaded TLB */ -#include <asm/nohash/32/mmu-40x.h> -#elif defined(CONFIG_44x) +#if defined(CONFIG_44x) /* 44x-style software loaded TLB */ #include <asm/nohash/32/mmu-44x.h> #elif defined(CONFIG_PPC_E500) diff --git a/arch/powerpc/include/asm/nohash/pgalloc.h b/arch/powerpc/include/asm/nohash/pgalloc.h index 4b62376318e1..4ef780b291bc 100644 --- a/arch/powerpc/include/asm/nohash/pgalloc.h +++ b/arch/powerpc/include/asm/nohash/pgalloc.h @@ -19,8 +19,14 @@ static inline void tlb_flush_pgtable(struct mmu_gather *tlb, static inline pgd_t *pgd_alloc(struct mm_struct *mm) { - return kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE), + pgd_t *pgd = kmem_cache_alloc(PGT_CACHE(PGD_INDEX_SIZE), pgtable_gfp_flags(mm, GFP_KERNEL)); + +#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 + return pgd; } static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) @@ -44,8 +50,6 @@ static inline void pgtable_free(void *table, int shift) } } -#define get_hugepd_cache_index(x) (x) - static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift) { unsigned long pgf = (unsigned long)table; diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h index f5f39d4f03c8..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 @@ -27,10 +27,17 @@ 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; +#ifndef pte_huge_size +static inline unsigned long pte_huge_size(pte_t pte) +{ + return PAGE_SIZE; +} +#endif + /* * PTE updates. This function is called whenever an existing * valid PTE is updated. This does -not- include set_pte_at() @@ -52,11 +59,34 @@ static inline pte_basic_t pte_update(struct mm_struct *mm, unsigned long addr, p { pte_basic_t old = pte_val(*p); pte_basic_t new = (old & ~(pte_basic_t)clr) | set; + unsigned long sz; + unsigned long pdsize; + int i; if (new == old) return old; - *p = __pte(new); + if (huge) + sz = pte_huge_size(__pte(old)); + else + sz = PAGE_SIZE; + + if (sz < PMD_SIZE) + pdsize = PAGE_SIZE; + else if (sz < PUD_SIZE) + pdsize = PMD_SIZE; + else if (sz < P4D_SIZE) + pdsize = PUD_SIZE; + else if (sz < PGDIR_SIZE) + pdsize = P4D_SIZE; + else + pdsize = PGDIR_SIZE; + + for (i = 0; i < sz / pdsize; i++, p++) { + *p = __pte(new); + if (new) + new += (unsigned long long)(pdsize / PAGE_SIZE) << PTE_RPN_SHIFT; + } if (IS_ENABLED(CONFIG_44x) && !is_kernel_addr(addr) && (old & _PAGE_EXEC)) icache_44x_need_flush = 1; @@ -256,7 +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; } @@ -340,22 +370,8 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, #define pgprot_writecombine pgprot_noncached_wc -#ifdef CONFIG_HUGETLB_PAGE -static inline int hugepd_ok(hugepd_t hpd) -{ -#ifdef CONFIG_PPC_8xx - return ((hpd_val(hpd) & _PMD_PAGE_MASK) == _PMD_PAGE_8M); -#else - /* We clear the top bit to indicate hugepd */ - return (hpd_val(hpd) && (hpd_val(hpd) & PD_HUGE) == 0); -#endif -} - -#define is_hugepd(hpd) (hugepd_ok(hpd)) -#endif - 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 f516f0b5b7a8..b61efc3ee904 100644 --- a/arch/powerpc/include/asm/nohash/pte-e500.h +++ b/arch/powerpc/include/asm/nohash/pte-e500.h @@ -19,20 +19,7 @@ #define _PAGE_BAP_SX 0x000040 #define _PAGE_BAP_UX 0x000080 #define _PAGE_PSIZE_MSK 0x000f00 -#define _PAGE_PSIZE_4K 0x000200 -#define _PAGE_PSIZE_8K 0x000300 -#define _PAGE_PSIZE_16K 0x000400 -#define _PAGE_PSIZE_32K 0x000500 -#define _PAGE_PSIZE_64K 0x000600 -#define _PAGE_PSIZE_128K 0x000700 -#define _PAGE_PSIZE_256K 0x000800 -#define _PAGE_PSIZE_512K 0x000900 -#define _PAGE_PSIZE_1M 0x000a00 -#define _PAGE_PSIZE_2M 0x000b00 -#define _PAGE_PSIZE_4M 0x000c00 -#define _PAGE_PSIZE_8M 0x000d00 -#define _PAGE_PSIZE_16M 0x000e00 -#define _PAGE_PSIZE_32M 0x000f00 +#define _PAGE_TSIZE_4K 0x000100 #define _PAGE_DIRTY 0x001000 /* C: page changed */ #define _PAGE_SW0 0x002000 #define _PAGE_U3 0x004000 @@ -46,6 +33,9 @@ #define _PAGE_NO_CACHE 0x400000 /* I: cache inhibit */ #define _PAGE_WRITETHRU 0x800000 /* W: cache write-through */ +#define _PAGE_PSIZE_SHIFT 7 +#define _PAGE_PSIZE_SHIFT_OFFSET 10 + /* "Higher level" linux bit combinations */ #define _PAGE_EXEC (_PAGE_BAP_SX | _PAGE_BAP_UX) /* .. and was cache cleaned */ #define _PAGE_READ (_PAGE_BAP_SR | _PAGE_BAP_UR) /* User read permission */ @@ -65,8 +55,6 @@ #define _PAGE_SPECIAL _PAGE_SW0 -/* Base page size */ -#define _PAGE_PSIZE _PAGE_PSIZE_4K #define PTE_RPN_SHIFT (24) #define PTE_WIMGE_SHIFT (19) @@ -89,7 +77,7 @@ * pages. We always set _PAGE_COHERENT when SMP is enabled or * the processor might need it for DMA coherency. */ -#define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_PSIZE) +#define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_TSIZE_4K) #if defined(CONFIG_SMP) #define _PAGE_BASE (_PAGE_BASE_NC | _PAGE_COHERENT) #else @@ -98,14 +86,55 @@ #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); } #define pte_mkexec pte_mkexec -#endif /* __ASSEMBLY__ */ +static inline unsigned long pte_huge_size(pte_t pte) +{ + pte_basic_t val = pte_val(pte); + + return 1UL << (((val & _PAGE_PSIZE_MSK) >> _PAGE_PSIZE_SHIFT) + _PAGE_PSIZE_SHIFT_OFFSET); +} +#define pte_huge_size pte_huge_size + +static inline int pmd_leaf(pmd_t pmd) +{ + if (IS_ENABLED(CONFIG_PPC64)) + return (long)pmd_val(pmd) > 0; + else + return pmd_val(pmd) & _PAGE_PSIZE_MSK; +} +#define pmd_leaf pmd_leaf + +static inline unsigned long pmd_leaf_size(pmd_t pmd) +{ + return pte_huge_size(__pte(pmd_val(pmd))); +} +#define pmd_leaf_size pmd_leaf_size + +#ifdef CONFIG_PPC64 +static inline int pud_leaf(pud_t pud) +{ + if (IS_ENABLED(CONFIG_PPC64)) + return (long)pud_val(pud) > 0; + else + return pud_val(pud) & _PAGE_PSIZE_MSK; +} +#define pud_leaf pud_leaf + +static inline unsigned long pud_leaf_size(pud_t pud) +{ + return pte_huge_size(__pte(pud_val(pud))); +} +#define pud_leaf_size pud_leaf_size + +#endif + +#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 e411e5a70ea3..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> @@ -21,10 +21,9 @@ * page size. When using 64K pages however, whether we are really supporting * 64K pages in HW or not is irrelevant to those definitions. */ -#define PAGE_SHIFT CONFIG_PAGE_SHIFT -#define PAGE_SIZE (ASM_CONST(1) << PAGE_SHIFT) +#include <vdso/page.h> -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #ifndef CONFIG_HUGETLB_PAGE #define HPAGE_SHIFT PAGE_SHIFT #elif defined(CONFIG_PPC_BOOK3S_64) @@ -42,13 +41,6 @@ extern unsigned int hpage_shift; #endif /* - * Subtle: (1 << PAGE_SHIFT) is an int, not an unsigned long. So if we - * assign PAGE_MASK to a larger type it gets extended the way we want - * (i.e. with 1s in the high bits) - */ -#define PAGE_MASK (~((1 << PAGE_SHIFT) - 1)) - -/* * KERNELBASE is the virtual address of the start of the kernel, it's often * the same as PAGE_OFFSET, but _might not be_. * @@ -83,7 +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; @@ -92,7 +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 */ @@ -224,7 +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; @@ -269,39 +261,7 @@ static inline const void *pfn_to_kaddr(unsigned long pfn) #define is_kernel_addr(x) ((x) >= TASK_SIZE) #endif -#ifndef CONFIG_PPC_BOOK3S_64 -/* - * Use the top bit of the higher-level page table entries to indicate whether - * the entries we point to contain hugepages. This works because we know that - * the page tables live in kernel space. If we ever decide to support having - * page tables at arbitrary addresses, this breaks and will have to change. - */ -#ifdef CONFIG_PPC64 -#define PD_HUGE 0x8000000000000000UL -#else -#define PD_HUGE 0x80000000 -#endif - -#else /* CONFIG_PPC_BOOK3S_64 */ -/* - * Book3S 64 stores real addresses in the hugepd entries to - * avoid overlaps with _PAGE_PRESENT and _PAGE_PTE. - */ -#define HUGEPD_ADDR_MASK (0x0ffffffffffffffful & ~HUGEPD_SHIFT_MASK) -#endif /* CONFIG_PPC_BOOK3S_64 */ - -/* - * Some number of bits at the level of the page table that points to - * a hugepte are used to encode the size. This masks those bits. - * On 8xx, HW assistance requires 4k alignment for the hugepte. - */ -#ifdef CONFIG_PPC_8xx -#define HUGEPD_SHIFT_MASK 0xfff -#else -#define HUGEPD_SHIFT_MASK 0x3f -#endif - -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #ifdef CONFIG_PPC_BOOK3S_64 #include <asm/pgtable-be-types.h> @@ -330,6 +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/percpu.h b/arch/powerpc/include/asm/percpu.h index 634970ce13c6..ecf5ac70cfae 100644 --- a/arch/powerpc/include/asm/percpu.h +++ b/arch/powerpc/include/asm/percpu.h @@ -23,7 +23,7 @@ DECLARE_STATIC_KEY_FALSE(__percpu_first_chunk_is_paged); (static_key_enabled(&__percpu_first_chunk_is_paged.key)) #else #define percpu_first_chunk_is_paged false -#endif /* CONFIG_PPC64 && CONFIG_SMP */ +#endif #include <asm-generic/percpu.h> diff --git a/arch/powerpc/include/asm/perf_event_server.h b/arch/powerpc/include/asm/perf_event_server.h index e2221d29fdf9..af0f46e2373b 100644 --- a/arch/powerpc/include/asm/perf_event_server.h +++ b/arch/powerpc/include/asm/perf_event_server.h @@ -89,7 +89,8 @@ struct power_pmu { #define PPMU_NO_SIAR 0x00000100 /* Do not use SIAR */ #define PPMU_ARCH_31 0x00000200 /* Has MMCR3, SIER2 and SIER3 */ #define PPMU_P10_DD1 0x00000400 /* Is power10 DD1 processor version */ -#define PPMU_HAS_ATTR_CONFIG1 0x00000800 /* Using config1 attribute */ +#define PPMU_P10 0x00000800 /* For power10 pmu */ +#define PPMU_HAS_ATTR_CONFIG1 0x00001000 /* Using config1 attribute */ /* * Values for flags to get_alternatives() @@ -101,8 +102,8 @@ struct power_pmu { int __init register_power_pmu(struct power_pmu *pmu); struct pt_regs; -extern unsigned long perf_misc_flags(struct pt_regs *regs); -extern unsigned long perf_instruction_pointer(struct pt_regs *regs); +extern unsigned long perf_arch_misc_flags(struct pt_regs *regs); +extern unsigned long perf_arch_instruction_pointer(struct pt_regs *regs); extern unsigned long int read_bhrb(int n); /* @@ -110,7 +111,7 @@ extern unsigned long int read_bhrb(int n); * if we have hardware PMU support. */ #ifdef CONFIG_PPC_PERF_CTRS -#define perf_misc_flags(regs) perf_misc_flags(regs) +#define perf_arch_misc_flags(regs) perf_arch_misc_flags(regs) #endif /* diff --git a/arch/powerpc/include/asm/pgtable-be-types.h b/arch/powerpc/include/asm/pgtable-be-types.h index 82633200b500..6bd8f89b25dc 100644 --- a/arch/powerpc/include/asm/pgtable-be-types.h +++ b/arch/powerpc/include/asm/pgtable-be-types.h @@ -101,14 +101,4 @@ static inline bool pmd_xchg(pmd_t *pmdp, pmd_t old, pmd_t new) return pmd_raw(old) == prev; } -#ifdef CONFIG_ARCH_HAS_HUGEPD -typedef struct { __be64 pdbe; } hugepd_t; -#define __hugepd(x) ((hugepd_t) { cpu_to_be64(x) }) - -static inline unsigned long hpd_val(hugepd_t x) -{ - return be64_to_cpu(x.pdbe); -} -#endif - #endif /* _ASM_POWERPC_PGTABLE_BE_TYPES_H */ diff --git a/arch/powerpc/include/asm/pgtable-types.h b/arch/powerpc/include/asm/pgtable-types.h index 082c85cc09b1..f3086e39e7d2 100644 --- a/arch/powerpc/include/asm/pgtable-types.h +++ b/arch/powerpc/include/asm/pgtable-types.h @@ -49,12 +49,22 @@ static inline unsigned long pud_val(pud_t x) #endif /* CONFIG_PPC64 */ /* PGD level */ +#if defined(CONFIG_PPC_85xx) && defined(CONFIG_PTE_64BIT) +typedef struct { unsigned long long pgd; } pgd_t; + +static inline unsigned long long pgd_val(pgd_t x) +{ + return x.pgd; +} +#else typedef struct { unsigned long pgd; } pgd_t; -#define __pgd(x) ((pgd_t) { (x) }) + static inline unsigned long pgd_val(pgd_t x) { return x.pgd; } +#endif +#define __pgd(x) ((pgd_t) { (x) }) /* Page protection bits */ typedef struct { unsigned long pgprot; } pgprot_t; @@ -83,13 +93,4 @@ static inline bool pte_xchg(pte_t *ptep, pte_t old, pte_t new) } #endif -#ifdef CONFIG_ARCH_HAS_HUGEPD -typedef struct { unsigned long pd; } hugepd_t; -#define __hugepd(x) ((hugepd_t) { (x) }) -static inline unsigned long hpd_val(hugepd_t x) -{ - return x.pd; -} -#endif - #endif /* _ASM_POWERPC_PGTABLE_TYPES_H */ diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 239709a2f68e..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) { @@ -65,6 +52,7 @@ static inline unsigned long pte_pfn(pte_t pte) /* * Select all bits except the pfn */ +#define pte_pgprot pte_pgprot static inline pgprot_t pte_pgprot(pte_t pte) { unsigned long pte_flags; @@ -106,6 +94,9 @@ unsigned long vmalloc_to_phys(void *vmalloc_addr); void pgtable_cache_add(unsigned int shift); +#ifdef CONFIG_PPC32 +void __init *early_alloc_pgtable(unsigned long size); +#endif pte_t *early_pte_alloc_kernel(pmd_t *pmdp, unsigned long va); #if defined(CONFIG_STRICT_KERNEL_RWX) || defined(CONFIG_PPC32) @@ -211,6 +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 b3ee44a40c2f..f2b6cc4341bb 100644 --- a/arch/powerpc/include/asm/plpar_wrappers.h +++ b/arch/powerpc/include/asm/plpar_wrappers.h @@ -18,16 +18,6 @@ static inline long poll_pending(void) return plpar_hcall_norets(H_POLL_PENDING); } -static inline u8 get_cede_latency_hint(void) -{ - return get_lppaca()->cede_latency_hint; -} - -static inline void set_cede_latency_hint(u8 latency_hint) -{ - get_lppaca()->cede_latency_hint = latency_hint; -} - static inline long cede_processor(void) { /* @@ -37,24 +27,6 @@ static inline long cede_processor(void) return plpar_hcall_norets_notrace(H_CEDE); } -static inline long extended_cede_processor(unsigned long latency_hint) -{ - long rc; - u8 old_latency_hint = get_cede_latency_hint(); - - set_cede_latency_hint(latency_hint); - - rc = cede_processor(); - - /* Ensure that H_CEDE returns with IRQs on */ - if (WARN_ON(IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG) && !(mfmsr() & MSR_EE))) - __hard_irq_enable(); - - set_cede_latency_hint(old_latency_hint); - - return rc; -} - static inline long vpa_call(unsigned long flags, unsigned long cpu, unsigned long vpa) { @@ -93,6 +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 076ae60b4a55..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 @@ -471,6 +472,7 @@ #define PPC_RAW_VCMPEQUB_RC(vrt, vra, vrb) \ (0x10000006 | ___PPC_RT(vrt) | ___PPC_RA(vra) | ___PPC_RB(vrb) | __PPC_RC21) #define PPC_RAW_LD(r, base, i) (0xe8000000 | ___PPC_RT(r) | ___PPC_RA(base) | IMM_DS(i)) +#define PPC_RAW_LWA(r, base, i) (0xe8000002 | ___PPC_RT(r) | ___PPC_RA(base) | IMM_DS(i)) #define PPC_RAW_LWZ(r, base, i) (0x80000000 | ___PPC_RT(r) | ___PPC_RA(base) | IMM_L(i)) #define PPC_RAW_LWZX(t, a, b) (0x7c00002e | ___PPC_RT(t) | ___PPC_RA(a) | ___PPC_RB(b)) #define PPC_RAW_STD(r, base, i) (0xf8000000 | ___PPC_RS(r) | ___PPC_RA(base) | IMM_DS(i)) @@ -535,6 +537,7 @@ #define PPC_RAW_MULI(d, a, i) (0x1c000000 | ___PPC_RT(d) | ___PPC_RA(a) | IMM_L(i)) #define PPC_RAW_DIVW(d, a, b) (0x7c0003d6 | ___PPC_RT(d) | ___PPC_RA(a) | ___PPC_RB(b)) #define PPC_RAW_DIVWU(d, a, b) (0x7c000396 | ___PPC_RT(d) | ___PPC_RA(a) | ___PPC_RB(b)) +#define PPC_RAW_DIVD(d, a, b) (0x7c0003d2 | ___PPC_RT(d) | ___PPC_RA(a) | ___PPC_RB(b)) #define PPC_RAW_DIVDU(d, a, b) (0x7c000392 | ___PPC_RT(d) | ___PPC_RA(a) | ___PPC_RB(b)) #define PPC_RAW_DIVDE(t, a, b) (0x7c000352 | ___PPC_RT(t) | ___PPC_RA(a) | ___PPC_RB(b)) #define PPC_RAW_DIVDE_DOT(t, a, b) (0x7c000352 | ___PPC_RT(t) | ___PPC_RA(a) | ___PPC_RB(b) | 0x1) @@ -568,6 +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 */ @@ -585,12 +589,26 @@ #define PPC_RAW_MTSPR(spr, d) (0x7c0003a6 | ___PPC_RS(d) | __PPC_SPR(spr)) #define PPC_RAW_EIEIO() (0x7c0006ac) +/* bcl 20,31,$+4 */ +#define PPC_RAW_BCL4() (0x429f0005) #define PPC_RAW_BRANCH(offset) (0x48000000 | PPC_LI(offset)) #define PPC_RAW_BL(offset) (0x48000001 | PPC_LI(offset)) #define PPC_RAW_TW(t0, a, b) (0x7c000008 | ___PPC_RS(t0) | ___PPC_RA(a) | ___PPC_RB(b)) #define PPC_RAW_TRAP() PPC_RAW_TW(31, 0, 0) #define PPC_RAW_SETB(t, bfa) (0x7c000100 | ___PPC_RT(t) | ___PPC_RA((bfa) << 2)) +#ifdef CONFIG_PPC32 +#define PPC_RAW_STL PPC_RAW_STW +#define PPC_RAW_STLU PPC_RAW_STWU +#define PPC_RAW_LL PPC_RAW_LWZ +#define PPC_RAW_CMPLI PPC_RAW_CMPWI +#else +#define PPC_RAW_STL PPC_RAW_STD +#define PPC_RAW_STLU PPC_RAW_STDU +#define PPC_RAW_LL PPC_RAW_LD +#define PPC_RAW_CMPLI PPC_RAW_CMPDI +#endif + /* Deal with instructions that older assemblers aren't aware of */ #define PPC_BCCTR_FLUSH stringify_in_c(.long PPC_INST_BCCTR_FLUSH) #define PPC_CP_ABORT stringify_in_c(.long PPC_RAW_CP_ABORT) diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index 1d1018c1e482..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 @@ -482,7 +482,7 @@ END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96) * and they must be used. */ -#if !defined(CONFIG_4xx) && !defined(CONFIG_PPC_8xx) +#if !defined(CONFIG_44x) && !defined(CONFIG_PPC_8xx) #define tlbia \ li r4,1024; \ mtctr r4; \ @@ -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 e44cac0da346..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> @@ -159,7 +159,7 @@ struct thread_struct { unsigned long sr0; #endif #endif /* CONFIG_PPC32 */ -#if defined(CONFIG_BOOKE_OR_40x) && defined(CONFIG_PPC_KUAP) +#if defined(CONFIG_BOOKE) && defined(CONFIG_PPC_KUAP) unsigned long pid; /* value written in PID reg. at interrupt exit */ #endif /* Debug Registers */ @@ -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/ps3.h b/arch/powerpc/include/asm/ps3.h index d13d8fdc3411..987e23a2bd28 100644 --- a/arch/powerpc/include/asm/ps3.h +++ b/arch/powerpc/include/asm/ps3.h @@ -390,11 +390,7 @@ int ps3_system_bus_device_register(struct ps3_system_bus_device *dev); int ps3_system_bus_driver_register(struct ps3_system_bus_driver *drv); void ps3_system_bus_driver_unregister(struct ps3_system_bus_driver *drv); -static inline struct ps3_system_bus_driver *ps3_drv_to_system_bus_drv( - struct device_driver *_drv) -{ - return container_of(_drv, struct ps3_system_bus_driver, core); -} +#define ps3_drv_to_system_bus_drv(_drv) container_of_const(_drv, struct ps3_system_bus_driver, core) static inline struct ps3_system_bus_device *ps3_dev_to_system_bus_dev( const struct device *_dev) { diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index ea8f91fbc62f..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 @@ -310,7 +310,7 @@ static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc) static inline bool cpu_has_msr_ri(void) { - return !IS_ENABLED(CONFIG_BOOKE_OR_40x); + return !IS_ENABLED(CONFIG_BOOKE); } static inline bool regs_is_unrecoverable(struct pt_regs *regs) @@ -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 eed33cb916d0..3fe186635432 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -18,7 +18,7 @@ #include <asm/feature-fixups.h> /* Pickup Book E specific registers. */ -#ifdef CONFIG_BOOKE_OR_40x +#ifdef CONFIG_BOOKE #include <asm/reg_booke.h> #endif @@ -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)) @@ -233,14 +233,10 @@ /* Special Purpose Registers (SPRNs)*/ -#ifdef CONFIG_40x -#define SPRN_PID 0x3B1 /* Process ID */ -#else #define SPRN_PID 0x030 /* Process ID */ #ifdef CONFIG_BOOKE #define SPRN_PID0 SPRN_PID/* Process ID Register 0 */ #endif -#endif #define SPRN_CTR 0x009 /* Count Register */ #define SPRN_DSCR 0x11 @@ -527,7 +523,7 @@ #define SPRN_TSCR 0x399 /* Thread Switch Control Register */ #define SPRN_DEC 0x016 /* Decrement Register */ -#define SPRN_PIT 0x3DB /* Programmable Interval Timer (40x/BOOKE) */ +#define SPRN_PIT 0x3DB /* Programmable Interval Timer (BOOKE) */ #define SPRN_DER 0x095 /* Debug Enable Register */ #define DER_RSTE 0x40000000 /* Reset Interrupt */ @@ -1116,15 +1112,6 @@ * - SPRG2 indicator that we are in RTAS * - SPRG4 (603 only) pseudo TLB LRU data * - * 32-bit 40x: - * - SPRG0 scratch for exception vectors - * - SPRG1 scratch for exception vectors - * - SPRG2 scratch for exception vectors - * - SPRG4 scratch for exception vectors (not 403) - * - SPRG5 scratch for exception vectors (not 403) - * - SPRG6 scratch for exception vectors (not 403) - * - SPRG7 scratch for exception vectors (not 403) - * * 32-bit 440 and FSL BookE: * - SPRG0 scratch for exception vectors * - SPRG1 scratch for exception vectors (*) @@ -1216,16 +1203,6 @@ #define SPRN_SPRG_603_LRU SPRN_SPRG4 #endif -#ifdef CONFIG_40x -#define SPRN_SPRG_SCRATCH0 SPRN_SPRG0 -#define SPRN_SPRG_SCRATCH1 SPRN_SPRG1 -#define SPRN_SPRG_SCRATCH2 SPRN_SPRG2 -#define SPRN_SPRG_SCRATCH3 SPRN_SPRG4 -#define SPRN_SPRG_SCRATCH4 SPRN_SPRG5 -#define SPRN_SPRG_SCRATCH5 SPRN_SPRG6 -#define SPRN_SPRG_SCRATCH6 SPRN_SPRG7 -#endif - #ifdef CONFIG_BOOKE #define SPRN_SPRG_RSCRATCH0 SPRN_SPRG0 #define SPRN_SPRG_WSCRATCH0 SPRN_SPRG0 @@ -1381,7 +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 { @@ -1473,6 +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 af56980b6cdb..56f9d3b1de85 100644 --- a/arch/powerpc/include/asm/reg_booke.h +++ b/arch/powerpc/include/asm/reg_booke.h @@ -1,10 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0-only */ /* * Contains register definitions common to the Book E PowerPC - * specification. Notice that while the IBM-40x series of CPUs - * are not true Book E PowerPCs, they borrowed a number of features - * before Book E was finalized, and are included here as well. Unfortunately, - * they sometimes used different locations than true Book E CPUs did. + * specification. * * Copyright 2009-2010 Freescale Semiconductor, Inc. */ @@ -42,9 +39,6 @@ #define MSR_KERNEL (MSR_ | MSR_64BIT) #define MSR_USER32 (MSR_ | MSR_PR | MSR_EE) #define MSR_USER64 (MSR_USER32 | MSR_64BIT) -#elif defined (CONFIG_40x) -#define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE) -#define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE) #else #define MSR_KERNEL (MSR_ME|MSR_RI|MSR_CE) #define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE) @@ -157,7 +151,6 @@ #define SPRN_TLB3CFG 0x2B3 /* TLB 3 Config Register */ #define SPRN_EPR 0x2BE /* External Proxy Register */ #define SPRN_CCR1 0x378 /* Core Configuration Register 1 */ -#define SPRN_ZPR 0x3B0 /* Zone Protection Register (40x) */ #define SPRN_MAS7 0x3B0 /* MMU Assist Register 7 */ #define SPRN_MMUCR 0x3B2 /* MMU Control Register */ #define SPRN_CCR0 0x3B3 /* Core Configuration Register 0 */ @@ -166,7 +159,6 @@ #define SPRN_SGR 0x3B9 /* Storage Guarded Register */ #define SPRN_DCWR 0x3BA /* Data Cache Write-thru Register */ #define SPRN_SLER 0x3BB /* Little-endian real mode */ -#define SPRN_SU0R 0x3BC /* "User 0" real mode (40x) */ #define SPRN_DCMP 0x3D1 /* Data TLB Compare Register */ #define SPRN_ICDBDR 0x3D3 /* Instruction Cache Debug Data Register */ #define SPRN_EVPR 0x3D6 /* Exception Vector Prefix Register */ @@ -183,10 +175,8 @@ #define SPRN_SVR 0x3FF /* System Version Register */ /* - * SPRs which have conflicting definitions on true Book E versus classic, - * or IBM 40x. + * SPRs which have conflicting definitions on true Book E versus classic. */ -#ifdef CONFIG_BOOKE #define SPRN_CSRR0 0x03A /* Critical Save and Restore Register 0 */ #define SPRN_CSRR1 0x03B /* Critical Save and Restore Register 1 */ #define SPRN_DEAR 0x03D /* Data Error Address Register */ @@ -201,22 +191,6 @@ #define SPRN_DAC2 0x13D /* Data Address Compare 2 */ #define SPRN_TSR 0x150 /* Timer Status Register */ #define SPRN_TCR 0x154 /* Timer Control Register */ -#endif /* Book E */ -#ifdef CONFIG_40x -#define SPRN_DBCR1 0x3BD /* Debug Control Register 1 */ -#define SPRN_ESR 0x3D4 /* Exception Syndrome Register */ -#define SPRN_DEAR 0x3D5 /* Data Error Address Register */ -#define SPRN_TSR 0x3D8 /* Timer Status Register */ -#define SPRN_TCR 0x3DA /* Timer Control Register */ -#define SPRN_SRR2 0x3DE /* Save/Restore Register 2 */ -#define SPRN_SRR3 0x3DF /* Save/Restore Register 3 */ -#define SPRN_DBSR 0x3F0 /* Debug Status Register */ -#define SPRN_DBCR0 0x3F2 /* Debug Control Register 0 */ -#define SPRN_DAC1 0x3F6 /* Data Address Compare 1 */ -#define SPRN_DAC2 0x3F7 /* Data Address Compare 2 */ -#define SPRN_CSRR0 SPRN_SRR2 /* Critical Save and Restore Register 0 */ -#define SPRN_CSRR1 SPRN_SRR3 /* Critical Save and Restore Register 1 */ -#endif #define SPRN_HACOP 0x15F /* Hypervisor Available Coprocessor Register */ /* Bit definitions for CCR1. */ @@ -296,10 +270,6 @@ #endif /* Bit definitions for the DBSR. */ -/* - * DBSR bits which have conflicting definitions on true Book E versus IBM 40x. - */ -#ifdef CONFIG_BOOKE #define DBSR_IDE 0x80000000 /* Imprecise Debug Event */ #define DBSR_MRR 0x30000000 /* Most Recent Reset */ #define DBSR_IC 0x08000000 /* Instruction Completion */ @@ -319,21 +289,6 @@ #define DBSR_CRET 0x00000020 /* Critical Return Debug Event */ #define DBSR_IAC12ATS 0x00000002 /* Instr Address Compare 1/2 Toggle */ #define DBSR_IAC34ATS 0x00000001 /* Instr Address Compare 3/4 Toggle */ -#endif -#ifdef CONFIG_40x -#define DBSR_IC 0x80000000 /* Instruction Completion */ -#define DBSR_BT 0x40000000 /* Branch taken */ -#define DBSR_IRPT 0x20000000 /* Exception Debug Event */ -#define DBSR_TIE 0x10000000 /* Trap Instruction debug Event */ -#define DBSR_IAC1 0x04000000 /* Instruction Address Compare 1 Event */ -#define DBSR_IAC2 0x02000000 /* Instruction Address Compare 2 Event */ -#define DBSR_IAC3 0x00080000 /* Instruction Address Compare 3 Event */ -#define DBSR_IAC4 0x00040000 /* Instruction Address Compare 4 Event */ -#define DBSR_DAC1R 0x01000000 /* Data Address Compare 1 Read Event */ -#define DBSR_DAC1W 0x00800000 /* Data Address Compare 1 Write Event */ -#define DBSR_DAC2R 0x00400000 /* Data Address Compare 2 Read Event */ -#define DBSR_DAC2W 0x00200000 /* Data Address Compare 2 Write Event */ -#endif /* Bit definitions related to the ESR. */ #define ESR_MCI 0x80000000 /* Machine Check - Instruction */ @@ -355,69 +310,6 @@ #define ESR_SPV 0x00000080 /* Signal Processing operation */ /* Bit definitions related to the DBCR0. */ -#if defined(CONFIG_40x) -#define DBCR0_EDM 0x80000000 /* External Debug Mode */ -#define DBCR0_IDM 0x40000000 /* Internal Debug Mode */ -#define DBCR0_RST 0x30000000 /* all the bits in the RST field */ -#define DBCR0_RST_SYSTEM 0x30000000 /* System Reset */ -#define DBCR0_RST_CHIP 0x20000000 /* Chip Reset */ -#define DBCR0_RST_CORE 0x10000000 /* Core Reset */ -#define DBCR0_RST_NONE 0x00000000 /* No Reset */ -#define DBCR0_IC 0x08000000 /* Instruction Completion */ -#define DBCR0_ICMP DBCR0_IC -#define DBCR0_BT 0x04000000 /* Branch Taken */ -#define DBCR0_BRT DBCR0_BT -#define DBCR0_EDE 0x02000000 /* Exception Debug Event */ -#define DBCR0_IRPT DBCR0_EDE -#define DBCR0_TDE 0x01000000 /* TRAP Debug Event */ -#define DBCR0_IA1 0x00800000 /* Instr Addr compare 1 enable */ -#define DBCR0_IAC1 DBCR0_IA1 -#define DBCR0_IA2 0x00400000 /* Instr Addr compare 2 enable */ -#define DBCR0_IAC2 DBCR0_IA2 -#define DBCR0_IA12 0x00200000 /* Instr Addr 1-2 range enable */ -#define DBCR0_IA12X 0x00100000 /* Instr Addr 1-2 range eXclusive */ -#define DBCR0_IA3 0x00080000 /* Instr Addr compare 3 enable */ -#define DBCR0_IAC3 DBCR0_IA3 -#define DBCR0_IA4 0x00040000 /* Instr Addr compare 4 enable */ -#define DBCR0_IAC4 DBCR0_IA4 -#define DBCR0_IA34 0x00020000 /* Instr Addr 3-4 range Enable */ -#define DBCR0_IA34X 0x00010000 /* Instr Addr 3-4 range eXclusive */ -#define DBCR0_IA12T 0x00008000 /* Instr Addr 1-2 range Toggle */ -#define DBCR0_IA34T 0x00004000 /* Instr Addr 3-4 range Toggle */ -#define DBCR0_FT 0x00000001 /* Freeze Timers on debug event */ - -#define dbcr_iac_range(task) ((task)->thread.debug.dbcr0) -#define DBCR_IAC12I DBCR0_IA12 /* Range Inclusive */ -#define DBCR_IAC12X (DBCR0_IA12 | DBCR0_IA12X) /* Range Exclusive */ -#define DBCR_IAC12MODE (DBCR0_IA12 | DBCR0_IA12X) /* IAC 1-2 Mode Bits */ -#define DBCR_IAC34I DBCR0_IA34 /* Range Inclusive */ -#define DBCR_IAC34X (DBCR0_IA34 | DBCR0_IA34X) /* Range Exclusive */ -#define DBCR_IAC34MODE (DBCR0_IA34 | DBCR0_IA34X) /* IAC 3-4 Mode Bits */ - -/* Bit definitions related to the DBCR1. */ -#define DBCR1_DAC1R 0x80000000 /* DAC1 Read Debug Event */ -#define DBCR1_DAC2R 0x40000000 /* DAC2 Read Debug Event */ -#define DBCR1_DAC1W 0x20000000 /* DAC1 Write Debug Event */ -#define DBCR1_DAC2W 0x10000000 /* DAC2 Write Debug Event */ - -#define dbcr_dac(task) ((task)->thread.debug.dbcr1) -#define DBCR_DAC1R DBCR1_DAC1R -#define DBCR_DAC1W DBCR1_DAC1W -#define DBCR_DAC2R DBCR1_DAC2R -#define DBCR_DAC2W DBCR1_DAC2W - -/* - * Are there any active Debug Events represented in the - * Debug Control Registers? - */ -#define DBCR0_ACTIVE_EVENTS (DBCR0_ICMP | DBCR0_IAC1 | DBCR0_IAC2 | \ - DBCR0_IAC3 | DBCR0_IAC4) -#define DBCR1_ACTIVE_EVENTS (DBCR1_DAC1R | DBCR1_DAC2R | \ - DBCR1_DAC1W | DBCR1_DAC2W) -#define DBCR_ACTIVE_EVENTS(dbcr0, dbcr1) (((dbcr0) & DBCR0_ACTIVE_EVENTS) || \ - ((dbcr1) & DBCR1_ACTIVE_EVENTS)) - -#elif defined(CONFIG_BOOKE) #define DBCR0_EDM 0x80000000 /* External Debug Mode */ #define DBCR0_IDM 0x40000000 /* Internal Debug Mode */ #define DBCR0_RST 0x30000000 /* all the bits in the RST field */ @@ -518,7 +410,6 @@ #define DBCR_ACTIVE_EVENTS(dbcr0, dbcr1) (((dbcr0) & DBCR0_ACTIVE_EVENTS) || \ ((dbcr1) & DBCR1_ACTIVE_EVENTS)) -#endif /* #elif defined(CONFIG_BOOKE) */ /* Bit definitions related to the TCR. */ #define TCR_WP(x) (((x)&0x3)<<30) /* WDT Period */ @@ -685,7 +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) : \ @@ -694,7 +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 065ffd1b2f8a..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') @@ -397,6 +405,7 @@ inline uint16_t pseries_errorlog_length(struct pseries_errorlog *sect) #define PSERIES_HP_ELOG_RESOURCE_SLOT 3 #define PSERIES_HP_ELOG_RESOURCE_PHB 4 #define PSERIES_HP_ELOG_RESOURCE_PMEM 6 +#define PSERIES_HP_ELOG_RESOURCE_DT 7 #define PSERIES_HP_ELOG_ACTION_ADD 1 #define PSERIES_HP_ELOG_ACTION_REMOVE 2 @@ -514,6 +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/set_memory.h b/arch/powerpc/include/asm/set_memory.h index 9a025b776a4b..9c8d5747755d 100644 --- a/arch/powerpc/include/asm/set_memory.h +++ b/arch/powerpc/include/asm/set_memory.h @@ -12,37 +12,37 @@ int change_memory_attr(unsigned long addr, int numpages, long action); -static inline int set_memory_ro(unsigned long addr, int numpages) +static inline int __must_check set_memory_ro(unsigned long addr, int numpages) { return change_memory_attr(addr, numpages, SET_MEMORY_RO); } -static inline int set_memory_rw(unsigned long addr, int numpages) +static inline int __must_check set_memory_rw(unsigned long addr, int numpages) { return change_memory_attr(addr, numpages, SET_MEMORY_RW); } -static inline int set_memory_nx(unsigned long addr, int numpages) +static inline int __must_check set_memory_nx(unsigned long addr, int numpages) { return change_memory_attr(addr, numpages, SET_MEMORY_NX); } -static inline int set_memory_x(unsigned long addr, int numpages) +static inline int __must_check set_memory_x(unsigned long addr, int numpages) { return change_memory_attr(addr, numpages, SET_MEMORY_X); } -static inline int set_memory_np(unsigned long addr, int numpages) +static inline int __must_check set_memory_np(unsigned long addr, int numpages) { return change_memory_attr(addr, numpages, SET_MEMORY_NP); } -static inline int set_memory_p(unsigned long addr, int numpages) +static inline int __must_check set_memory_p(unsigned long addr, int numpages) { return change_memory_attr(addr, numpages, SET_MEMORY_P); } -static inline int set_memory_rox(unsigned long addr, int numpages) +static inline int __must_check set_memory_rox(unsigned long addr, int numpages) { return change_memory_attr(addr, numpages, SET_MEMORY_ROX); } 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/simple_spinlock_types.h b/arch/powerpc/include/asm/simple_spinlock_types.h index 08243338069d..391fc19f7272 100644 --- a/arch/powerpc/include/asm/simple_spinlock_types.h +++ b/arch/powerpc/include/asm/simple_spinlock_types.h @@ -3,7 +3,7 @@ #define _ASM_POWERPC_SIMPLE_SPINLOCK_TYPES_H #ifndef __LINUX_SPINLOCK_TYPES_RAW_H -# error "please don't include this file directly" +# error "Please do not include this file directly." #endif typedef struct { 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/spinlock_types.h b/arch/powerpc/include/asm/spinlock_types.h index 40b01446cf75..569765fa16bc 100644 --- a/arch/powerpc/include/asm/spinlock_types.h +++ b/arch/powerpc/include/asm/spinlock_types.h @@ -3,7 +3,7 @@ #define _ASM_POWERPC_SPINLOCK_TYPES_H #ifndef __LINUX_SPINLOCK_TYPES_RAW_H -# error "please don't include this file directly" +# error "Please do not include this file directly." #endif #ifdef CONFIG_PPC_QUEUED_SPINLOCKS 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 2167d756e6d5..66b111fa1cd1 100644 --- a/arch/powerpc/include/asm/spu_priv1.h +++ b/arch/powerpc/include/asm/spu_priv1.h @@ -215,9 +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_priv1_ops spu_priv1_beat_ops; - extern const struct spu_management_ops spu_management_of_ops; #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/sstep.h b/arch/powerpc/include/asm/sstep.h index 50950deedb87..e3d0e714ff28 100644 --- a/arch/powerpc/include/asm/sstep.h +++ b/arch/powerpc/include/asm/sstep.h @@ -173,9 +173,4 @@ int emulate_step(struct pt_regs *regs, ppc_inst_t instr); */ extern int emulate_loadstore(struct pt_regs *regs, struct instruction_op *op); -extern void emulate_vsx_load(struct instruction_op *op, union vsx_reg *reg, - const void *mem, bool cross_endian); -extern void emulate_vsx_store(struct instruction_op *op, - const union vsx_reg *reg, void *mem, - bool cross_endian); extern int emulate_dcbz(unsigned long ea, struct pt_regs *regs); 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/systemcfg.h b/arch/powerpc/include/asm/systemcfg.h new file mode 100644 index 000000000000..2f9b1d6a5c98 --- /dev/null +++ b/arch/powerpc/include/asm/systemcfg.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef _SYSTEMCFG_H +#define _SYSTEMCFG_H + +/* + * Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM + * Copyright (C) 2005 Benjamin Herrenschmidy <benh@kernel.crashing.org>, + * IBM Corp. + */ + +#ifdef CONFIG_PPC64 + +/* + * If the major version changes we are incompatible. + * Minor version changes are a hint. + */ +#define SYSTEMCFG_MAJOR 1 +#define SYSTEMCFG_MINOR 1 + +#include <linux/types.h> + +struct systemcfg { + __u8 eye_catcher[16]; /* Eyecatcher: SYSTEMCFG:PPC64 0x00 */ + struct { /* Systemcfg version numbers */ + __u32 major; /* Major number 0x10 */ + __u32 minor; /* Minor number 0x14 */ + } version; + + /* Note about the platform flags: it now only contains the lpar + * bit. The actual platform number is dead and buried + */ + __u32 platform; /* Platform flags 0x18 */ + __u32 processor; /* Processor type 0x1C */ + __u64 processorCount; /* # of physical processors 0x20 */ + __u64 physicalMemorySize; /* Size of real memory(B) 0x28 */ + __u64 tb_orig_stamp; /* (NU) Timebase at boot 0x30 */ + __u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */ + __u64 tb_to_xs; /* (NU) Inverse of TB to 2^20 0x40 */ + __u64 stamp_xsec; /* (NU) 0x48 */ + __u64 tb_update_count; /* (NU) Timebase atomicity ctr 0x50 */ + __u32 tz_minuteswest; /* (NU) Min. west of Greenwich 0x58 */ + __u32 tz_dsttime; /* (NU) Type of dst correction 0x5C */ + __u32 dcache_size; /* L1 d-cache size 0x60 */ + __u32 dcache_line_size; /* L1 d-cache line size 0x64 */ + __u32 icache_size; /* L1 i-cache size 0x68 */ + __u32 icache_line_size; /* L1 i-cache line size 0x6C */ +}; + +extern struct systemcfg *systemcfg; + +#endif /* CONFIG_PPC64 */ +#endif /* _SYSTEMCFG_H */ diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/text-patching.h index 0e29ccf903d0..e7f14720f630 100644 --- a/arch/powerpc/include/asm/code-patching.h +++ b/arch/powerpc/include/asm/text-patching.h @@ -76,6 +76,43 @@ int patch_instruction(u32 *addr, ppc_inst_t instr); int raw_patch_instruction(u32 *addr, ppc_inst_t instr); int patch_instructions(u32 *addr, u32 *code, size_t len, bool repeat_instr); +/* + * The data patching functions patch_uint() and patch_ulong(), etc., must be + * called on aligned addresses. + * + * The instruction patching functions patch_instruction() and similar must be + * called on addresses satisfying instruction alignment requirements. + */ + +#ifdef CONFIG_PPC64 + +int patch_uint(void *addr, unsigned int val); +int patch_ulong(void *addr, unsigned long val); + +#define patch_u64 patch_ulong + +#else + +static inline int patch_uint(void *addr, unsigned int val) +{ + if (!IS_ALIGNED((unsigned long)addr, sizeof(unsigned int))) + return -EINVAL; + + return patch_instruction(addr, ppc_inst(val)); +} + +static inline int patch_ulong(void *addr, unsigned long val) +{ + if (!IS_ALIGNED((unsigned long)addr, sizeof(unsigned long))) + return -EINVAL; + + return patch_instruction(addr, ppc_inst(val)); +} + +#endif + +#define patch_u32 patch_uint + static inline unsigned long patch_site_addr(s32 *site) { return (unsigned long)site + *site; diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index 15c5691dd218..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) { @@ -226,7 +229,11 @@ static inline int arch_within_stack_frames(const void * const stack, return BAD_STACK; } -#endif /* !__ASSEMBLY__ */ +#ifdef CONFIG_PPC32 +extern void *emergency_ctx[]; +#endif + +#endif /* !__ASSEMBLER__ */ #endif /* __KERNEL__ */ diff --git a/arch/powerpc/include/asm/time.h b/arch/powerpc/include/asm/time.h index 9f50766c4623..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) @@ -58,9 +62,6 @@ static inline u64 get_vtb(void) */ static inline u64 get_dec(void) { - if (IS_ENABLED(CONFIG_40x)) - return mfspr(SPRN_PIT); - return mfspr(SPRN_DEC); } @@ -71,9 +72,7 @@ static inline u64 get_dec(void) */ static inline void set_dec(u64 val) { - if (IS_ENABLED(CONFIG_40x)) - mtspr(SPRN_PIT, (u32)val); - else if (IS_ENABLED(CONFIG_BOOKE)) + if (IS_ENABLED(CONFIG_BOOKE)) mtspr(SPRN_DEC, val); else mtspr(SPRN_DEC, val - 1); @@ -91,12 +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 f4e6f2dd04b7..66ed5fe1b718 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -131,31 +131,50 @@ 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 #ifdef CONFIG_HOTPLUG_SMT #include <linux/cpu_smt.h> +#include <linux/cpumask.h> #include <asm/cputhreads.h> 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) { return cpu_thread_in_core(cpu) < cpu_smt_num_threads; } + +#define topology_is_core_online topology_is_core_online +static inline bool topology_is_core_online(unsigned int cpu) +{ + int i, first_cpu = cpu_first_thread_sibling(cpu); + + for (i = first_cpu; i < first_cpu + threads_per_core; ++i) { + if (cpu_online(i)) + return true; + } + return false; +} #endif #endif /* __KERNEL__ */ 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 fd594bf6c6a9..784a00e681fa 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -6,6 +6,7 @@ #include <asm/page.h> #include <asm/extable.h> #include <asm/kup.h> +#include <asm/asm-compat.h> #ifdef __powerpc64__ /* We use TASK_SIZE_USER64 as TASK_SIZE is not constant */ @@ -92,12 +93,6 @@ __pu_failed: \ : label) #endif -#ifdef CONFIG_CC_IS_CLANG -#define DS_FORM_CONSTRAINT "Z<>" -#else -#define DS_FORM_CONSTRAINT "YZ<>" -#endif - #ifdef __powerpc64__ #ifdef CONFIG_PPC_KERNEL_PREFIXED #define __put_user_asm2_goto(x, ptr, label) \ @@ -456,7 +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); \ \ @@ -464,7 +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) \ @@ -509,11 +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/udbg.h b/arch/powerpc/include/asm/udbg.h index b1f094728b35..a8681b12864f 100644 --- a/arch/powerpc/include/asm/udbg.h +++ b/arch/powerpc/include/asm/udbg.h @@ -38,13 +38,11 @@ void __init udbg_early_init(void); void __init udbg_init_debug_lpar(void); void __init udbg_init_debug_lpar_hvsi(void); void __init udbg_init_pmac_realmode(void); -void __init udbg_init_maple_realmode(void); void __init udbg_init_pas_realmode(void); void __init udbg_init_rtas_panel(void); void __init udbg_init_rtas_console(void); void __init udbg_init_btext(void); void __init udbg_init_44x_as1(void); -void __init udbg_init_40x_realmode(void); void __init udbg_init_cpm(void); void __init udbg_init_usbgecko(void); void __init udbg_init_memcons(void); diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index 659a996c75aa..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> @@ -51,7 +51,6 @@ #define __ARCH_WANT_SYS_FORK #define __ARCH_WANT_SYS_VFORK #define __ARCH_WANT_SYS_CLONE -#define __ARCH_WANT_SYS_CLONE3 -#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 7650b6ce14c8..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> @@ -20,11 +21,12 @@ int vdso_getcpu_init(void); -#else /* __ASSEMBLY__ */ +#else /* __ASSEMBLER__ */ #ifdef __VDSO64__ #define V_FUNCTION_BEGIN(name) \ .globl name; \ + .type name,@function; \ name: \ #define V_FUNCTION_END(name) \ @@ -47,6 +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 new file mode 100644 index 000000000000..4c24976061f4 --- /dev/null +++ b/arch/powerpc/include/asm/vdso/getrandom.h @@ -0,0 +1,67 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2024 Christophe Leroy <christophe.leroy@csgroup.eu>, CS GROUP France + */ +#ifndef _ASM_POWERPC_VDSO_GETRANDOM_H +#define _ASM_POWERPC_VDSO_GETRANDOM_H + +#ifndef __ASSEMBLER__ + +#include <asm/vdso_datapage.h> + +static __always_inline int do_syscall_3(const unsigned long _r0, const unsigned long _r3, + const unsigned long _r4, const unsigned long _r5) +{ + register long r0 asm("r0") = _r0; + register unsigned long r3 asm("r3") = _r3; + register unsigned long r4 asm("r4") = _r4; + register unsigned long r5 asm("r5") = _r5; + register int ret asm ("r3"); + + asm volatile( + " sc\n" + " bns+ 1f\n" + " neg %0, %0\n" + "1:\n" + : "=r" (ret), "+r" (r4), "+r" (r5), "+r" (r0) + : "r" (r3) + : "memory", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "cr0", "ctr"); + + return ret; +} + +/** + * getrandom_syscall - Invoke the getrandom() syscall. + * @buffer: Destination buffer to fill with random bytes. + * @len: Size of @buffer in bytes. + * @flags: Zero or more GRND_* flags. + * Returns: The number of bytes written to @buffer, or a negative value indicating an error. + */ +static __always_inline ssize_t getrandom_syscall(void *buffer, size_t len, unsigned int flags) +{ + return do_syscall_3(__NR_getrandom, (unsigned long)buffer, + (unsigned long)len, (unsigned long)flags); +} + +static __always_inline const struct vdso_rng_data *__arch_get_vdso_u_rng_data(void) +{ + struct vdso_rng_data *data; + + asm ( + " bcl 20, 31, .+4 ;" + "0: mflr %0 ;" + " addis %0, %0, (vdso_u_rng_data - 0b)@ha ;" + " addi %0, %0, (vdso_u_rng_data - 0b)@l ;" + : "=r" (data) : : "lr" + ); + + 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 /* !__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 48cf23f1e273..bee18e8660a0 100644 --- a/arch/powerpc/include/asm/vdso/vsyscall.h +++ b/arch/powerpc/include/asm/vdso/vsyscall.h @@ -2,24 +2,13 @@ #ifndef _ASM_POWERPC_VDSO_VSYSCALL_H #define _ASM_POWERPC_VDSO_VSYSCALL_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ -#include <linux/timekeeper_internal.h> #include <asm/vdso_datapage.h> -/* - * Update the vDSO data page to keep in sync with kernel timekeeping. - */ -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 - /* 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 a585c8e538ff..441264af0e36 100644 --- a/arch/powerpc/include/asm/vdso_datapage.h +++ b/arch/powerpc/include/asm/vdso_datapage.h @@ -9,109 +9,21 @@ * IBM Corp. */ +#ifndef __ASSEMBLER__ -/* - * Note about this structure: - * - * This structure was historically called systemcfg and exposed to - * userland via /proc/ppc64/systemcfg. Unfortunately, this became an - * ABI issue as some proprietary software started relying on being able - * to mmap() it, thus we have to keep the base layout at least for a - * few kernel versions. - * - * However, since ppc32 doesn't suffer from this backward handicap, - * a simpler version of the data structure is used there with only the - * fields actually used by the vDSO. - * - */ - -/* - * If the major version changes we are incompatible. - * Minor version changes are a hint. - */ -#define SYSTEMCFG_MAJOR 1 -#define SYSTEMCFG_MINOR 1 - -#ifndef __ASSEMBLY__ - -#include <linux/unistd.h> -#include <linux/time.h> #include <vdso/datapage.h> -#define SYSCALL_MAP_SIZE ((NR_syscalls + 31) / 32) - -/* - * So here is the ppc64 backward compatible version - */ - -#ifdef CONFIG_PPC64 - -struct vdso_arch_data { - __u8 eye_catcher[16]; /* Eyecatcher: SYSTEMCFG:PPC64 0x00 */ - struct { /* Systemcfg version numbers */ - __u32 major; /* Major number 0x10 */ - __u32 minor; /* Minor number 0x14 */ - } version; - - /* Note about the platform flags: it now only contains the lpar - * bit. The actual platform number is dead and buried - */ - __u32 platform; /* Platform flags 0x18 */ - __u32 processor; /* Processor type 0x1C */ - __u64 processorCount; /* # of physical processors 0x20 */ - __u64 physicalMemorySize; /* Size of real memory(B) 0x28 */ - __u64 tb_orig_stamp; /* (NU) Timebase at boot 0x30 */ - __u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */ - __u64 tb_to_xs; /* (NU) Inverse of TB to 2^20 0x40 */ - __u64 stamp_xsec; /* (NU) 0x48 */ - __u64 tb_update_count; /* (NU) Timebase atomicity ctr 0x50 */ - __u32 tz_minuteswest; /* (NU) Min. west of Greenwich 0x58 */ - __u32 tz_dsttime; /* (NU) Type of dst correction 0x5C */ - __u32 dcache_size; /* L1 d-cache size 0x60 */ - __u32 dcache_line_size; /* L1 d-cache line size 0x64 */ - __u32 icache_size; /* L1 i-cache size 0x68 */ - __u32 icache_line_size; /* L1 i-cache line size 0x6C */ - - /* those additional ones don't have to be located anywhere - * special as they were not part of the original systemcfg - */ - __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_data data[CS_BASES]; -}; - -#else /* CONFIG_PPC64 */ - -/* - * And here is the simpler 32 bits version - */ -struct vdso_arch_data { - __u64 tb_ticks_per_sec; /* Timebase tics / sec 0x38 */ - __u32 syscall_map[SYSCALL_MAP_SIZE]; /* Map of syscalls */ - __u32 compat_syscall_map[0]; /* No compat syscalls on PPC32 */ - struct vdso_data data[CS_BASES]; -}; - -#endif /* CONFIG_PPC64 */ - -extern struct vdso_arch_data *vdso_data; - -#else /* __ASSEMBLY__ */ +#else /* __ASSEMBLER__ */ -.macro get_datapage ptr +.macro get_datapage ptr symbol bcl 20, 31, .+4 999: mflr \ptr - addis \ptr, \ptr, (_vdso_datapage - 999b)@ha - addi \ptr, \ptr, (_vdso_datapage - 999b)@l + addis \ptr, \ptr, (\symbol - 999b)@ha + addi \ptr, \ptr, (\symbol - 999b)@l .endm -#endif /* __ASSEMBLY__ */ +#endif /* __ASSEMBLER__ */ #endif /* __KERNEL__ */ #endif /* _SYSTEMCFG_H */ diff --git a/arch/powerpc/include/asm/vga.h b/arch/powerpc/include/asm/vga.h index fcf721682a71..f2dc40e1c52a 100644 --- a/arch/powerpc/include/asm/vga.h +++ b/arch/powerpc/include/asm/vga.h @@ -40,11 +40,6 @@ static inline void scr_memsetw(u16 *s, u16 v, unsigned int n) memset16(s, cpu_to_le16(v), n / 2); } -#define VT_BUF_HAVE_MEMCPYW -#define VT_BUF_HAVE_MEMMOVEW -#define scr_memcpyw memcpy -#define scr_memmovew memmove - #endif /* !CONFIG_VGA_CONSOLE && !CONFIG_MDA_CONSOLE */ #ifdef __powerpc64__ diff --git a/arch/powerpc/include/asm/vio.h b/arch/powerpc/include/asm/vio.h index 6faf2a931755..7c444150c5ad 100644 --- a/arch/powerpc/include/asm/vio.h +++ b/arch/powerpc/include/asm/vio.h @@ -156,11 +156,7 @@ static inline int vio_enable_interrupts(struct vio_dev *dev) } #endif -static inline struct vio_driver *to_vio_driver(struct device_driver *drv) -{ - return container_of(drv, struct vio_driver, driver); -} - +#define to_vio_driver(__drv) container_of_const(__drv, struct vio_driver, driver) #define to_vio_dev(__dev) container_of_const(__dev, struct vio_dev, dev) #endif /* __KERNEL__ */ 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) |