diff options
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/cpuidle.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/cputype.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/domain.h | 11 | ||||
| -rw-r--r-- | arch/arm/include/asm/efi.h | 37 | ||||
| -rw-r--r-- | arch/arm/include/asm/kvm_host.h | 12 | ||||
| -rw-r--r-- | arch/arm/include/asm/kvm_mmu.h | 44 | ||||
| -rw-r--r-- | arch/arm/include/asm/mmu_context.h | 3 | ||||
| -rw-r--r-- | arch/arm/include/asm/stage2_pgtable.h | 61 | ||||
| -rw-r--r-- | arch/arm/include/asm/unistd.h | 2 |
10 files changed, 122 insertions, 54 deletions
diff --git a/arch/arm/include/asm/cpuidle.h b/arch/arm/include/asm/cpuidle.h index 3848259bebf8..baefe1d51517 100644 --- a/arch/arm/include/asm/cpuidle.h +++ b/arch/arm/include/asm/cpuidle.h @@ -36,7 +36,7 @@ struct cpuidle_ops { struct of_cpuidle_method { const char *method; - struct cpuidle_ops *ops; + const struct cpuidle_ops *ops; }; #define CPUIDLE_METHOD_OF_DECLARE(name, _method, _ops) \ diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h index b23c6c81c9ad..1ee94c716a7f 100644 --- a/arch/arm/include/asm/cputype.h +++ b/arch/arm/include/asm/cputype.h @@ -276,7 +276,7 @@ static inline int __attribute_const__ cpuid_feature_extract_field(u32 features, int feature = (features >> field) & 15; /* feature registers are signed values */ - if (feature > 8) + if (feature > 7) feature -= 16; return feature; diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index 6ad1ceda62a5..02283eb2f5b2 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -118,7 +118,7 @@ static inline unsigned long dma_max_pfn(struct device *dev) #define arch_setup_dma_ops arch_setup_dma_ops extern void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, - struct iommu_ops *iommu, bool coherent); + const struct iommu_ops *iommu, bool coherent); #define arch_teardown_dma_ops arch_teardown_dma_ops extern void arch_teardown_dma_ops(struct device *dev); diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h index fc8ba1663601..99d9f630d6b6 100644 --- a/arch/arm/include/asm/domain.h +++ b/arch/arm/include/asm/domain.h @@ -84,6 +84,7 @@ #ifndef __ASSEMBLY__ +#ifdef CONFIG_CPU_CP15_MMU static inline unsigned int get_domain(void) { unsigned int domain; @@ -103,6 +104,16 @@ static inline void set_domain(unsigned val) : : "r" (val) : "memory"); isb(); } +#else +static inline unsigned int get_domain(void) +{ + return 0; +} + +static inline void set_domain(unsigned val) +{ +} +#endif #ifdef CONFIG_CPU_USE_DOMAINS #define modify_domain(dom,type) \ diff --git a/arch/arm/include/asm/efi.h b/arch/arm/include/asm/efi.h index e0eea72deb87..a708fa1f0905 100644 --- a/arch/arm/include/asm/efi.h +++ b/arch/arm/include/asm/efi.h @@ -17,34 +17,28 @@ #include <asm/mach/map.h> #include <asm/mmu_context.h> #include <asm/pgtable.h> +#include <asm/ptrace.h> #ifdef CONFIG_EFI void efi_init(void); int efi_create_mapping(struct mm_struct *mm, efi_memory_desc_t *md); +int efi_set_mapping_permissions(struct mm_struct *mm, efi_memory_desc_t *md); -#define efi_call_virt(f, ...) \ -({ \ - efi_##f##_t *__f; \ - efi_status_t __s; \ - \ - efi_virtmap_load(); \ - __f = efi.systab->runtime->f; \ - __s = __f(__VA_ARGS__); \ - efi_virtmap_unload(); \ - __s; \ -}) +#define arch_efi_call_virt_setup() efi_virtmap_load() +#define arch_efi_call_virt_teardown() efi_virtmap_unload() -#define __efi_call_virt(f, ...) \ +#define arch_efi_call_virt(f, args...) \ ({ \ efi_##f##_t *__f; \ - \ - efi_virtmap_load(); \ __f = efi.systab->runtime->f; \ - __f(__VA_ARGS__); \ - efi_virtmap_unload(); \ + __f(args); \ }) +#define ARCH_EFI_IRQ_FLAGS_MASK \ + (PSR_J_BIT | PSR_E_BIT | PSR_A_BIT | PSR_I_BIT | PSR_F_BIT | \ + PSR_T_BIT | MODE_MASK) + static inline void efi_set_pgd(struct mm_struct *mm) { check_and_switch_context(mm, NULL); @@ -59,7 +53,16 @@ void efi_virtmap_unload(void); /* arch specific definitions used by the stub code */ -#define efi_call_early(f, ...) sys_table_arg->boottime->f(__VA_ARGS__) +#define efi_call_early(f, ...) sys_table_arg->boottime->f(__VA_ARGS__) +#define __efi_call_early(f, ...) f(__VA_ARGS__) +#define efi_is_64bit() (false) + +struct screen_info *alloc_screen_info(efi_system_table_t *sys_table_arg); +void free_screen_info(efi_system_table_t *sys_table, struct screen_info *si); + +static inline void efifb_setup_from_dmi(struct screen_info *si, const char *opt) +{ +} /* * A reasonable upper bound for the uncompressed kernel size is 32 MBytes, diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index 385070180c25..0df6b1fc9655 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -187,6 +187,7 @@ struct kvm_vm_stat { struct kvm_vcpu_stat { u32 halt_successful_poll; u32 halt_attempted_poll; + u32 halt_poll_invalid; u32 halt_wakeup; u32 hvc_exit_stat; u64 wfe_exit_stat; @@ -265,6 +266,15 @@ static inline void __cpu_init_stage2(void) kvm_call_hyp(__init_stage2_translation); } +static inline void __cpu_reset_hyp_mode(phys_addr_t boot_pgd_ptr, + phys_addr_t phys_idmap_start) +{ + /* + * TODO + * kvm_call_reset(boot_pgd_ptr, phys_idmap_start); + */ +} + static inline int kvm_arch_dev_ioctl_check_extension(long ext) { return 0; @@ -277,11 +287,11 @@ void kvm_mmu_wp_memory_region(struct kvm *kvm, int slot); struct kvm_vcpu *kvm_mpidr_to_vcpu(struct kvm *kvm, unsigned long mpidr); -static inline void kvm_arch_hardware_disable(void) {} static inline void kvm_arch_hardware_unsetup(void) {} static inline void kvm_arch_sync_events(struct kvm *kvm) {} static inline void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) {} static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} +static inline void kvm_arch_vcpu_block_finish(struct kvm_vcpu *vcpu) {} static inline void kvm_arm_init_debug(void) {} static inline void kvm_arm_setup_debug(struct kvm_vcpu *vcpu) {} diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h index da44be9db4fa..f9a65061130b 100644 --- a/arch/arm/include/asm/kvm_mmu.h +++ b/arch/arm/include/asm/kvm_mmu.h @@ -47,6 +47,7 @@ #include <linux/highmem.h> #include <asm/cacheflush.h> #include <asm/pgalloc.h> +#include <asm/stage2_pgtable.h> int create_hyp_mappings(void *from, void *to); int create_hyp_io_mappings(void *from, void *to, phys_addr_t); @@ -66,6 +67,7 @@ void kvm_mmu_free_memory_caches(struct kvm_vcpu *vcpu); phys_addr_t kvm_mmu_get_httbr(void); phys_addr_t kvm_mmu_get_boot_httbr(void); phys_addr_t kvm_get_idmap_vector(void); +phys_addr_t kvm_get_idmap_start(void); int kvm_mmu_init(void); void kvm_clear_hyp_idmap(void); @@ -105,14 +107,16 @@ static inline void kvm_clean_pte(pte_t *pte) clean_pte_table(pte); } -static inline void kvm_set_s2pte_writable(pte_t *pte) +static inline pte_t kvm_s2pte_mkwrite(pte_t pte) { - pte_val(*pte) |= L_PTE_S2_RDWR; + pte_val(pte) |= L_PTE_S2_RDWR; + return pte; } -static inline void kvm_set_s2pmd_writable(pmd_t *pmd) +static inline pmd_t kvm_s2pmd_mkwrite(pmd_t pmd) { - pmd_val(*pmd) |= L_PMD_S2_RDWR; + pmd_val(pmd) |= L_PMD_S2_RDWR; + return pmd; } static inline void kvm_set_s2pte_readonly(pte_t *pte) @@ -135,22 +139,6 @@ static inline bool kvm_s2pmd_readonly(pmd_t *pmd) return (pmd_val(*pmd) & L_PMD_S2_RDWR) == L_PMD_S2_RDONLY; } - -/* Open coded p*d_addr_end that can deal with 64bit addresses */ -#define kvm_pgd_addr_end(addr, end) \ -({ u64 __boundary = ((addr) + PGDIR_SIZE) & PGDIR_MASK; \ - (__boundary - 1 < (end) - 1)? __boundary: (end); \ -}) - -#define kvm_pud_addr_end(addr,end) (end) - -#define kvm_pmd_addr_end(addr, end) \ -({ u64 __boundary = ((addr) + PMD_SIZE) & PMD_MASK; \ - (__boundary - 1 < (end) - 1)? __boundary: (end); \ -}) - -#define kvm_pgd_index(addr) pgd_index(addr) - static inline bool kvm_page_empty(void *ptr) { struct page *ptr_page = virt_to_page(ptr); @@ -159,19 +147,11 @@ static inline bool kvm_page_empty(void *ptr) #define kvm_pte_table_empty(kvm, ptep) kvm_page_empty(ptep) #define kvm_pmd_table_empty(kvm, pmdp) kvm_page_empty(pmdp) -#define kvm_pud_table_empty(kvm, pudp) (0) - -#define KVM_PREALLOC_LEVEL 0 +#define kvm_pud_table_empty(kvm, pudp) false -static inline void *kvm_get_hwpgd(struct kvm *kvm) -{ - return kvm->arch.pgd; -} - -static inline unsigned int kvm_get_hwpgd_size(void) -{ - return PTRS_PER_S2_PGD * sizeof(pgd_t); -} +#define hyp_pte_table_empty(ptep) kvm_page_empty(ptep) +#define hyp_pmd_table_empty(pmdp) kvm_page_empty(pmdp) +#define hyp_pud_table_empty(pudp) false struct kvm; diff --git a/arch/arm/include/asm/mmu_context.h b/arch/arm/include/asm/mmu_context.h index fa5b42d44985..3cc14dd8587c 100644 --- a/arch/arm/include/asm/mmu_context.h +++ b/arch/arm/include/asm/mmu_context.h @@ -15,6 +15,7 @@ #include <linux/compiler.h> #include <linux/sched.h> +#include <linux/preempt.h> #include <asm/cacheflush.h> #include <asm/cachetype.h> #include <asm/proc-fns.h> @@ -66,6 +67,7 @@ static inline void check_and_switch_context(struct mm_struct *mm, cpu_switch_mm(mm->pgd, mm); } +#ifndef MODULE #define finish_arch_post_lock_switch \ finish_arch_post_lock_switch static inline void finish_arch_post_lock_switch(void) @@ -87,6 +89,7 @@ static inline void finish_arch_post_lock_switch(void) preempt_enable_no_resched(); } } +#endif /* !MODULE */ #endif /* CONFIG_MMU */ diff --git a/arch/arm/include/asm/stage2_pgtable.h b/arch/arm/include/asm/stage2_pgtable.h new file mode 100644 index 000000000000..460d616bb2d6 --- /dev/null +++ b/arch/arm/include/asm/stage2_pgtable.h @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2016 - ARM Ltd + * + * stage2 page table helpers + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#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) + +/* 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) +{ + phys_addr_t boundary = (addr + PGDIR_SIZE) & PGDIR_MASK; + + return (boundary - 1 < end - 1) ? boundary : end; +} + +#define stage2_pud_addr_end(addr, end) (end) + +static inline phys_addr_t stage2_pmd_addr_end(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_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 + +#endif /* __ARM_S2_PGTABLE_H_ */ diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index 7b84657fba35..194b69923389 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -19,7 +19,7 @@ * This may need to be greater than __NR_last_syscall+1 in order to * account for the padding in the syscall table */ -#define __NR_syscalls (392) +#define __NR_syscalls (396) #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_GETHOSTNAME |