diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/hugetlb-3level.h | 32 | ||||
| -rw-r--r-- | arch/arm/include/asm/hugetlb.h | 33 | ||||
| -rw-r--r-- | arch/arm/include/asm/krait-l2-accessors.h | 9 | ||||
| -rw-r--r-- | arch/arm/include/asm/kvm_arm.h | 3 | ||||
| -rw-r--r-- | arch/arm/include/asm/kvm_host.h | 13 | ||||
| -rw-r--r-- | arch/arm/include/asm/kvm_mmu.h | 15 | ||||
| -rw-r--r-- | arch/arm/include/asm/processor.h | 6 | ||||
| -rw-r--r-- | arch/arm/include/asm/stage2_pgtable.h | 54 | ||||
| -rw-r--r-- | arch/arm/include/asm/unistd.h | 4 |
9 files changed, 68 insertions, 101 deletions
diff --git a/arch/arm/include/asm/hugetlb-3level.h b/arch/arm/include/asm/hugetlb-3level.h index d4014fbe5ea3..0d9f3918fa7e 100644 --- a/arch/arm/include/asm/hugetlb-3level.h +++ b/arch/arm/include/asm/hugetlb-3level.h @@ -29,6 +29,7 @@ * ptes. * (The valid bit is automatically cleared by set_pte_at for PROT_NONE ptes). */ +#define __HAVE_ARCH_HUGE_PTEP_GET static inline pte_t huge_ptep_get(pte_t *ptep) { pte_t retval = *ptep; @@ -37,35 +38,4 @@ static inline pte_t huge_ptep_get(pte_t *ptep) return retval; } -static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pte) -{ - set_pte_at(mm, addr, ptep, pte); -} - -static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, - unsigned long addr, pte_t *ptep) -{ - ptep_clear_flush(vma, addr, ptep); -} - -static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) -{ - ptep_set_wrprotect(mm, addr, ptep); -} - -static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) -{ - return ptep_get_and_clear(mm, addr, ptep); -} - -static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, - unsigned long addr, pte_t *ptep, - pte_t pte, int dirty) -{ - return ptep_set_access_flags(vma, addr, ptep, pte, dirty); -} - #endif /* _ASM_ARM_HUGETLB_3LEVEL_H */ diff --git a/arch/arm/include/asm/hugetlb.h b/arch/arm/include/asm/hugetlb.h index 7d26f6c4f0f5..b67256c22b08 100644 --- a/arch/arm/include/asm/hugetlb.h +++ b/arch/arm/include/asm/hugetlb.h @@ -23,18 +23,8 @@ #define _ASM_ARM_HUGETLB_H #include <asm/page.h> -#include <asm-generic/hugetlb.h> - #include <asm/hugetlb-3level.h> - -static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb, - unsigned long addr, unsigned long end, - unsigned long floor, - unsigned long ceiling) -{ - free_pgd_range(tlb, addr, end, floor, ceiling); -} - +#include <asm-generic/hugetlb.h> static inline int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, unsigned long len) @@ -42,27 +32,6 @@ static inline int is_hugepage_only_range(struct mm_struct *mm, return 0; } -static inline int prepare_hugepage_range(struct file *file, - unsigned long addr, unsigned long len) -{ - struct hstate *h = hstate_file(file); - if (len & ~huge_page_mask(h)) - return -EINVAL; - if (addr & ~huge_page_mask(h)) - return -EINVAL; - return 0; -} - -static inline int huge_pte_none(pte_t pte) -{ - return pte_none(pte); -} - -static inline pte_t huge_pte_wrprotect(pte_t pte) -{ - return pte_wrprotect(pte); -} - static inline void arch_clear_hugepage_flags(struct page *page) { clear_bit(PG_dcache_clean, &page->flags); diff --git a/arch/arm/include/asm/krait-l2-accessors.h b/arch/arm/include/asm/krait-l2-accessors.h new file mode 100644 index 000000000000..a5f2cdd6445f --- /dev/null +++ b/arch/arm/include/asm/krait-l2-accessors.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef __ASMARM_KRAIT_L2_ACCESSORS_H +#define __ASMARM_KRAIT_L2_ACCESSORS_H + +extern void krait_set_l2_indirect_reg(u32 addr, u32 val); +extern u32 krait_get_l2_indirect_reg(u32 addr); + +#endif diff --git a/arch/arm/include/asm/kvm_arm.h b/arch/arm/include/asm/kvm_arm.h index 2d43dca29c72..b95f8d0d9f17 100644 --- a/arch/arm/include/asm/kvm_arm.h +++ b/arch/arm/include/asm/kvm_arm.h @@ -133,8 +133,7 @@ * space. */ #define KVM_PHYS_SHIFT (40) -#define KVM_PHYS_SIZE (_AC(1, ULL) << KVM_PHYS_SHIFT) -#define KVM_PHYS_MASK (KVM_PHYS_SIZE - _AC(1, ULL)) + #define PTRS_PER_S2_PGD (_AC(1, ULL) << (KVM_PHYS_SHIFT - 30)) /* Virtualization Translation Control Register (VTCR) bits */ diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index 3ad482d2f1eb..5ca5d9af0c26 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -273,7 +273,7 @@ static inline void __cpu_init_stage2(void) kvm_call_hyp(__init_stage2_translation); } -static inline int kvm_arch_dev_ioctl_check_extension(struct kvm *kvm, long ext) +static inline int kvm_arch_vm_ioctl_check_extension(struct kvm *kvm, long ext) { return 0; } @@ -354,4 +354,15 @@ static inline void kvm_vcpu_put_sysregs(struct kvm_vcpu *vcpu) {} struct kvm *kvm_arch_alloc_vm(void); void kvm_arch_free_vm(struct kvm *kvm); +static inline int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type) +{ + /* + * On 32bit ARM, VMs get a static 40bit IPA stage2 setup, + * so any non-zero value used as type is illegal. + */ + if (type) + return -EINVAL; + return 0; +} + #endif /* __ARM_KVM_HOST_H__ */ diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h index 847f01fa429d..1098ffc3d54b 100644 --- a/arch/arm/include/asm/kvm_mmu.h +++ b/arch/arm/include/asm/kvm_mmu.h @@ -35,16 +35,12 @@ addr; \ }) -/* - * KVM_MMU_CACHE_MIN_PAGES is the number of stage2 page table translation levels. - */ -#define KVM_MMU_CACHE_MIN_PAGES 2 - #ifndef __ASSEMBLY__ #include <linux/highmem.h> #include <asm/cacheflush.h> #include <asm/cputype.h> +#include <asm/kvm_arm.h> #include <asm/kvm_hyp.h> #include <asm/pgalloc.h> #include <asm/stage2_pgtable.h> @@ -52,6 +48,13 @@ /* Ensure compatibility with arm64 */ #define VA_BITS 32 +#define kvm_phys_shift(kvm) KVM_PHYS_SHIFT +#define kvm_phys_size(kvm) (1ULL << kvm_phys_shift(kvm)) +#define kvm_phys_mask(kvm) (kvm_phys_size(kvm) - 1ULL) +#define kvm_vttbr_baddr_mask(kvm) VTTBR_BADDR_MASK + +#define stage2_pgd_size(kvm) (PTRS_PER_S2_PGD * sizeof(pgd_t)) + int create_hyp_mappings(void *from, void *to, pgprot_t prot); int create_hyp_io_mappings(phys_addr_t phys_addr, size_t size, void __iomem **kaddr, @@ -355,6 +358,8 @@ static inline int hyp_map_aux_data(void) #define kvm_phys_to_vttbr(addr) (addr) +static inline void kvm_set_ipa_limit(void) {} + static inline bool kvm_cpu_has_cnp(void) { return false; diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h index 1bf65b47808a..120f4c9bbfde 100644 --- a/arch/arm/include/asm/processor.h +++ b/arch/arm/include/asm/processor.h @@ -11,12 +11,6 @@ #ifndef __ASM_ARM_PROCESSOR_H #define __ASM_ARM_PROCESSOR_H -/* - * Default implementation of macro that returns current - * instruction pointer ("program counter"). - */ -#define current_text_addr() ({ __label__ _l; _l: &&_l;}) - #ifdef __KERNEL__ #include <asm/hw_breakpoint.h> diff --git a/arch/arm/include/asm/stage2_pgtable.h b/arch/arm/include/asm/stage2_pgtable.h index 460d616bb2d6..f6a7ea805232 100644 --- a/arch/arm/include/asm/stage2_pgtable.h +++ b/arch/arm/include/asm/stage2_pgtable.h @@ -19,43 +19,53 @@ #ifndef __ARM_S2_PGTABLE_H_ #define __ARM_S2_PGTABLE_H_ -#define stage2_pgd_none(pgd) pgd_none(pgd) -#define stage2_pgd_clear(pgd) pgd_clear(pgd) -#define stage2_pgd_present(pgd) pgd_present(pgd) -#define stage2_pgd_populate(pgd, pud) pgd_populate(NULL, pgd, pud) -#define stage2_pud_offset(pgd, address) pud_offset(pgd, address) -#define stage2_pud_free(pud) pud_free(NULL, pud) - -#define stage2_pud_none(pud) pud_none(pud) -#define stage2_pud_clear(pud) pud_clear(pud) -#define stage2_pud_present(pud) pud_present(pud) -#define stage2_pud_populate(pud, pmd) pud_populate(NULL, pud, pmd) -#define stage2_pmd_offset(pud, address) pmd_offset(pud, address) -#define stage2_pmd_free(pmd) pmd_free(NULL, pmd) - -#define stage2_pud_huge(pud) pud_huge(pud) +/* + * kvm_mmu_cache_min_pages() is the number of pages required + * to install a stage-2 translation. We pre-allocate the entry + * level table at VM creation. Since we have a 3 level page-table, + * we need only two pages to add a new mapping. + */ +#define kvm_mmu_cache_min_pages(kvm) 2 + +#define stage2_pgd_none(kvm, pgd) pgd_none(pgd) +#define stage2_pgd_clear(kvm, pgd) pgd_clear(pgd) +#define stage2_pgd_present(kvm, pgd) pgd_present(pgd) +#define stage2_pgd_populate(kvm, pgd, pud) pgd_populate(NULL, pgd, pud) +#define stage2_pud_offset(kvm, pgd, address) pud_offset(pgd, address) +#define stage2_pud_free(kvm, pud) pud_free(NULL, pud) + +#define stage2_pud_none(kvm, pud) pud_none(pud) +#define stage2_pud_clear(kvm, pud) pud_clear(pud) +#define stage2_pud_present(kvm, pud) pud_present(pud) +#define stage2_pud_populate(kvm, pud, pmd) pud_populate(NULL, pud, pmd) +#define stage2_pmd_offset(kvm, pud, address) pmd_offset(pud, address) +#define stage2_pmd_free(kvm, pmd) pmd_free(NULL, pmd) + +#define stage2_pud_huge(kvm, pud) pud_huge(pud) /* Open coded p*d_addr_end that can deal with 64bit addresses */ -static inline phys_addr_t stage2_pgd_addr_end(phys_addr_t addr, phys_addr_t end) +static inline phys_addr_t +stage2_pgd_addr_end(struct kvm *kvm, phys_addr_t addr, phys_addr_t end) { phys_addr_t boundary = (addr + PGDIR_SIZE) & PGDIR_MASK; return (boundary - 1 < end - 1) ? boundary : end; } -#define stage2_pud_addr_end(addr, end) (end) +#define stage2_pud_addr_end(kvm, addr, end) (end) -static inline phys_addr_t stage2_pmd_addr_end(phys_addr_t addr, phys_addr_t end) +static inline phys_addr_t +stage2_pmd_addr_end(struct kvm *kvm, phys_addr_t addr, phys_addr_t end) { phys_addr_t boundary = (addr + PMD_SIZE) & PMD_MASK; return (boundary - 1 < end - 1) ? boundary : end; } -#define stage2_pgd_index(addr) pgd_index(addr) +#define stage2_pgd_index(kvm, addr) pgd_index(addr) -#define stage2_pte_table_empty(ptep) kvm_page_empty(ptep) -#define stage2_pmd_table_empty(pmdp) kvm_page_empty(pmdp) -#define stage2_pud_table_empty(pudp) false +#define stage2_pte_table_empty(kvm, ptep) kvm_page_empty(ptep) +#define stage2_pmd_table_empty(kvm, pmdp) kvm_page_empty(pmdp) +#define stage2_pud_table_empty(kvm, pudp) false #endif /* __ARM_S2_PGTABLE_H_ */ diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index 076090d2dbf5..88ef2ce1f69a 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -16,23 +16,23 @@ #include <uapi/asm/unistd.h> #include <asm/unistd-nr.h> +#define __ARCH_WANT_NEW_STAT #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_GETHOSTNAME #define __ARCH_WANT_SYS_PAUSE #define __ARCH_WANT_SYS_GETPGRP -#define __ARCH_WANT_SYS_LLSEEK #define __ARCH_WANT_SYS_NICE #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_OLD_MMAP #define __ARCH_WANT_SYS_OLD_SELECT +#define __ARCH_WANT_SYS_UTIME #if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT) #define __ARCH_WANT_SYS_TIME #define __ARCH_WANT_SYS_IPC #define __ARCH_WANT_SYS_OLDUMOUNT #define __ARCH_WANT_SYS_ALARM -#define __ARCH_WANT_SYS_UTIME #define __ARCH_WANT_SYS_OLD_GETRLIMIT #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_SYS_SOCKETCALL |