diff options
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/Kbuild | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/cacheflush.h | 72 | ||||
| -rw-r--r-- | arch/x86/include/asm/edac.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/espfix.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/fpu/types.h | 72 | ||||
| -rw-r--r-- | arch/x86/include/asm/hugetlb.h | 12 | ||||
| -rw-r--r-- | arch/x86/include/asm/intel_pmc_ipc.h | 55 | ||||
| -rw-r--r-- | arch/x86/include/asm/io.h | 6 | ||||
| -rw-r--r-- | arch/x86/include/asm/kasan.h | 8 | ||||
| -rw-r--r-- | arch/x86/include/asm/kvm_emulate.h | 9 | ||||
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 96 | ||||
| -rw-r--r-- | arch/x86/include/asm/livepatch.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/mmu_context.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/pci.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/pgtable.h | 4 | ||||
| -rw-r--r-- | arch/x86/include/asm/processor.h | 10 | ||||
| -rw-r--r-- | arch/x86/include/asm/pvclock-abi.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/pvclock.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/serial.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/setup.h | 7 | ||||
| -rw-r--r-- | arch/x86/include/uapi/asm/e820.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/uapi/asm/hyperv.h | 13 | ||||
| -rw-r--r-- | arch/x86/include/uapi/asm/kvm.h | 14 |
23 files changed, 292 insertions, 102 deletions
diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild index d55a210a49bf..aeac434c9feb 100644 --- a/arch/x86/include/asm/Kbuild +++ b/arch/x86/include/asm/Kbuild @@ -9,4 +9,4 @@ generic-y += cputime.h generic-y += dma-contiguous.h generic-y += early_ioremap.h generic-y += mcs_spinlock.h -generic-y += scatterlist.h +generic-y += mm-arch-hooks.h diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h index b6f7457d12e4..9bf3ea14b9f0 100644 --- a/arch/x86/include/asm/cacheflush.h +++ b/arch/x86/include/asm/cacheflush.h @@ -4,6 +4,7 @@ /* Caches aren't brain-dead on the intel. */ #include <asm-generic/cacheflush.h> #include <asm/special_insns.h> +#include <asm/uaccess.h> /* * The set_memory_* API can be used to change various attributes of a virtual @@ -108,4 +109,75 @@ static inline int rodata_test(void) } #endif +#ifdef ARCH_HAS_NOCACHE_UACCESS + +/** + * arch_memcpy_to_pmem - copy data to persistent memory + * @dst: destination buffer for the copy + * @src: source buffer for the copy + * @n: length of the copy in bytes + * + * Copy data to persistent memory media via non-temporal stores so that + * a subsequent arch_wmb_pmem() can flush cpu and memory controller + * write buffers to guarantee durability. + */ +static inline void arch_memcpy_to_pmem(void __pmem *dst, const void *src, + size_t n) +{ + int unwritten; + + /* + * We are copying between two kernel buffers, if + * __copy_from_user_inatomic_nocache() returns an error (page + * fault) we would have already reported a general protection fault + * before the WARN+BUG. + */ + unwritten = __copy_from_user_inatomic_nocache((void __force *) dst, + (void __user *) src, n); + if (WARN(unwritten, "%s: fault copying %p <- %p unwritten: %d\n", + __func__, dst, src, unwritten)) + BUG(); +} + +/** + * arch_wmb_pmem - synchronize writes to persistent memory + * + * After a series of arch_memcpy_to_pmem() operations this drains data + * from cpu write buffers and any platform (memory controller) buffers + * to ensure that written data is durable on persistent memory media. + */ +static inline void arch_wmb_pmem(void) +{ + /* + * wmb() to 'sfence' all previous writes such that they are + * architecturally visible to 'pcommit'. Note, that we've + * already arranged for pmem writes to avoid the cache via + * arch_memcpy_to_pmem(). + */ + wmb(); + pcommit_sfence(); +} + +static inline bool __arch_has_wmb_pmem(void) +{ +#ifdef CONFIG_X86_64 + /* + * We require that wmb() be an 'sfence', that is only guaranteed on + * 64-bit builds + */ + return static_cpu_has(X86_FEATURE_PCOMMIT); +#else + return false; +#endif +} +#else /* ARCH_HAS_NOCACHE_UACCESS i.e. ARCH=um */ +extern void arch_memcpy_to_pmem(void __pmem *dst, const void *src, size_t n); +extern void arch_wmb_pmem(void); + +static inline bool __arch_has_wmb_pmem(void) +{ + return false; +} +#endif + #endif /* _ASM_X86_CACHEFLUSH_H */ diff --git a/arch/x86/include/asm/edac.h b/arch/x86/include/asm/edac.h index e9b57ecc70c5..cf8fdf83b231 100644 --- a/arch/x86/include/asm/edac.h +++ b/arch/x86/include/asm/edac.h @@ -3,7 +3,7 @@ /* ECC atomic, DMA, SMP and interrupt safe scrub function */ -static inline void atomic_scrub(void *va, u32 size) +static inline void edac_atomic_scrub(void *va, u32 size) { u32 i, *virt_addr = va; diff --git a/arch/x86/include/asm/espfix.h b/arch/x86/include/asm/espfix.h index 99efebb2f69d..ca3ce9ab9385 100644 --- a/arch/x86/include/asm/espfix.h +++ b/arch/x86/include/asm/espfix.h @@ -9,7 +9,7 @@ DECLARE_PER_CPU_READ_MOSTLY(unsigned long, espfix_stack); DECLARE_PER_CPU_READ_MOSTLY(unsigned long, espfix_waddr); extern void init_espfix_bsp(void); -extern void init_espfix_ap(void); +extern void init_espfix_ap(int cpu); #endif /* CONFIG_X86_64 */ diff --git a/arch/x86/include/asm/fpu/types.h b/arch/x86/include/asm/fpu/types.h index 0637826292de..c49c5173158e 100644 --- a/arch/x86/include/asm/fpu/types.h +++ b/arch/x86/include/asm/fpu/types.h @@ -189,6 +189,7 @@ union fpregs_state { struct fxregs_state fxsave; struct swregs_state soft; struct xregs_state xsave; + u8 __padding[PAGE_SIZE]; }; /* @@ -198,40 +199,6 @@ union fpregs_state { */ struct fpu { /* - * @state: - * - * In-memory copy of all FPU registers that we save/restore - * over context switches. If the task is using the FPU then - * the registers in the FPU are more recent than this state - * copy. If the task context-switches away then they get - * saved here and represent the FPU state. - * - * After context switches there may be a (short) time period - * during which the in-FPU hardware registers are unchanged - * and still perfectly match this state, if the tasks - * scheduled afterwards are not using the FPU. - * - * This is the 'lazy restore' window of optimization, which - * we track though 'fpu_fpregs_owner_ctx' and 'fpu->last_cpu'. - * - * We detect whether a subsequent task uses the FPU via setting - * CR0::TS to 1, which causes any FPU use to raise a #NM fault. - * - * During this window, if the task gets scheduled again, we - * might be able to skip having to do a restore from this - * memory buffer to the hardware registers - at the cost of - * incurring the overhead of #NM fault traps. - * - * Note that on modern CPUs that support the XSAVEOPT (or other - * optimized XSAVE instructions), we don't use #NM traps anymore, - * as the hardware can track whether FPU registers need saving - * or not. On such CPUs we activate the non-lazy ('eagerfpu') - * logic, which unconditionally saves/restores all FPU state - * across context switches. (if FPU state exists.) - */ - union fpregs_state state; - - /* * @last_cpu: * * Records the last CPU on which this context was loaded into @@ -288,6 +255,43 @@ struct fpu { * deal with bursty apps that only use the FPU for a short time: */ unsigned char counter; + /* + * @state: + * + * In-memory copy of all FPU registers that we save/restore + * over context switches. If the task is using the FPU then + * the registers in the FPU are more recent than this state + * copy. If the task context-switches away then they get + * saved here and represent the FPU state. + * + * After context switches there may be a (short) time period + * during which the in-FPU hardware registers are unchanged + * and still perfectly match this state, if the tasks + * scheduled afterwards are not using the FPU. + * + * This is the 'lazy restore' window of optimization, which + * we track though 'fpu_fpregs_owner_ctx' and 'fpu->last_cpu'. + * + * We detect whether a subsequent task uses the FPU via setting + * CR0::TS to 1, which causes any FPU use to raise a #NM fault. + * + * During this window, if the task gets scheduled again, we + * might be able to skip having to do a restore from this + * memory buffer to the hardware registers - at the cost of + * incurring the overhead of #NM fault traps. + * + * Note that on modern CPUs that support the XSAVEOPT (or other + * optimized XSAVE instructions), we don't use #NM traps anymore, + * as the hardware can track whether FPU registers need saving + * or not. On such CPUs we activate the non-lazy ('eagerfpu') + * logic, which unconditionally saves/restores all FPU state + * across context switches. (if FPU state exists.) + */ + union fpregs_state state; + /* + * WARNING: 'state' is dynamically-sized. Do not put + * anything after it here. + */ }; #endif /* _ASM_X86_FPU_H */ diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h index 68c05398bba9..f8a29d2c97b0 100644 --- a/arch/x86/include/asm/hugetlb.h +++ b/arch/x86/include/asm/hugetlb.h @@ -26,9 +26,6 @@ static inline int prepare_hugepage_range(struct file *file, return 0; } -static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) { -} - static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr, unsigned long end, unsigned long floor, @@ -83,15 +80,6 @@ static inline pte_t huge_ptep_get(pte_t *ptep) return *ptep; } -static inline int arch_prepare_hugepage(struct page *page) -{ - return 0; -} - -static inline void arch_release_hugepage(struct page *page) -{ -} - static inline void arch_clear_hugepage_flags(struct page *page) { } diff --git a/arch/x86/include/asm/intel_pmc_ipc.h b/arch/x86/include/asm/intel_pmc_ipc.h new file mode 100644 index 000000000000..cd0310e186f4 --- /dev/null +++ b/arch/x86/include/asm/intel_pmc_ipc.h @@ -0,0 +1,55 @@ +#ifndef _ASM_X86_INTEL_PMC_IPC_H_ +#define _ASM_X86_INTEL_PMC_IPC_H_ + +/* Commands */ +#define PMC_IPC_PMIC_ACCESS 0xFF +#define PMC_IPC_PMIC_ACCESS_READ 0x0 +#define PMC_IPC_PMIC_ACCESS_WRITE 0x1 +#define PMC_IPC_USB_PWR_CTRL 0xF0 +#define PMC_IPC_PMIC_BLACKLIST_SEL 0xEF +#define PMC_IPC_PHY_CONFIG 0xEE +#define PMC_IPC_NORTHPEAK_CTRL 0xED +#define PMC_IPC_PM_DEBUG 0xEC +#define PMC_IPC_PMC_TELEMTRY 0xEB +#define PMC_IPC_PMC_FW_MSG_CTRL 0xEA + +/* IPC return code */ +#define IPC_ERR_NONE 0 +#define IPC_ERR_CMD_NOT_SUPPORTED 1 +#define IPC_ERR_CMD_NOT_SERVICED 2 +#define IPC_ERR_UNABLE_TO_SERVICE 3 +#define IPC_ERR_CMD_INVALID 4 +#define IPC_ERR_CMD_FAILED 5 +#define IPC_ERR_EMSECURITY 6 +#define IPC_ERR_UNSIGNEDKERNEL 7 + +#if IS_ENABLED(CONFIG_INTEL_PMC_IPC) + +int intel_pmc_ipc_simple_command(int cmd, int sub); +int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen, + u32 *out, u32 outlen, u32 dptr, u32 sptr); +int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen, + u32 *out, u32 outlen); + +#else + +static inline int intel_pmc_ipc_simple_command(int cmd, int sub) +{ + return -EINVAL; +} + +static inline int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen, + u32 *out, u32 outlen, u32 dptr, u32 sptr) +{ + return -EINVAL; +} + +static inline int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen, + u32 *out, u32 outlen) +{ + return -EINVAL; +} + +#endif /*CONFIG_INTEL_PMC_IPC*/ + +#endif diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 83ec9b1d77cc..cc9c61bc1abe 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -248,6 +248,12 @@ static inline void flush_write_buffers(void) #endif } +static inline void __pmem *arch_memremap_pmem(resource_size_t offset, + unsigned long size) +{ + return (void __force __pmem *) ioremap_cache(offset, size); +} + #endif /* __KERNEL__ */ extern void native_io_delay(void); diff --git a/arch/x86/include/asm/kasan.h b/arch/x86/include/asm/kasan.h index 8b22422fbad8..74a2a8dc9908 100644 --- a/arch/x86/include/asm/kasan.h +++ b/arch/x86/include/asm/kasan.h @@ -14,15 +14,11 @@ #ifndef __ASSEMBLY__ -extern pte_t kasan_zero_pte[]; -extern pte_t kasan_zero_pmd[]; -extern pte_t kasan_zero_pud[]; - #ifdef CONFIG_KASAN -void __init kasan_map_early_shadow(pgd_t *pgd); +void __init kasan_early_init(void); void __init kasan_init(void); #else -static inline void kasan_map_early_shadow(pgd_t *pgd) { } +static inline void kasan_early_init(void) { } static inline void kasan_init(void) { } #endif diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h index 57a9d94fe160..e16466ec473c 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -193,6 +193,8 @@ struct x86_emulate_ops { int (*cpl)(struct x86_emulate_ctxt *ctxt); int (*get_dr)(struct x86_emulate_ctxt *ctxt, int dr, ulong *dest); int (*set_dr)(struct x86_emulate_ctxt *ctxt, int dr, ulong value); + u64 (*get_smbase)(struct x86_emulate_ctxt *ctxt); + void (*set_smbase)(struct x86_emulate_ctxt *ctxt, u64 smbase); int (*set_msr)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 data); int (*get_msr)(struct x86_emulate_ctxt *ctxt, u32 msr_index, u64 *pdata); int (*check_pmc)(struct x86_emulate_ctxt *ctxt, u32 pmc); @@ -262,6 +264,11 @@ enum x86emul_mode { X86EMUL_MODE_PROT64, /* 64-bit (long) mode. */ }; +/* These match some of the HF_* flags defined in kvm_host.h */ +#define X86EMUL_GUEST_MASK (1 << 5) /* VCPU is in guest-mode */ +#define X86EMUL_SMM_MASK (1 << 6) +#define X86EMUL_SMM_INSIDE_NMI_MASK (1 << 7) + struct x86_emulate_ctxt { const struct x86_emulate_ops *ops; @@ -273,8 +280,8 @@ struct x86_emulate_ctxt { /* interruptibility state, as a result of execution of STI or MOV SS */ int interruptibility; + int emul_flags; - bool guest_mode; /* guest running a nested guest */ bool perm_ok; /* do not check permissions if true */ bool ud; /* inject an #UD if host doesn't support insn */ diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index f8c0ec3a4a97..49ec9038ec14 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -184,23 +184,12 @@ struct kvm_mmu_memory_cache { void *objects[KVM_NR_MEM_OBJS]; }; -/* - * kvm_mmu_page_role, below, is defined as: - * - * bits 0:3 - total guest paging levels (2-4, or zero for real mode) - * bits 4:7 - page table level for this shadow (1-4) - * bits 8:9 - page table quadrant for 2-level guests - * bit 16 - direct mapping of virtual to physical mapping at gfn - * used for real mode and two-dimensional paging - * bits 17:19 - common access permissions for all ptes in this shadow page - */ union kvm_mmu_page_role { unsigned word; struct { unsigned level:4; unsigned cr4_pae:1; unsigned quadrant:2; - unsigned pad_for_nice_hex_output:6; unsigned direct:1; unsigned access:3; unsigned invalid:1; @@ -208,6 +197,15 @@ union kvm_mmu_page_role { unsigned cr0_wp:1; unsigned smep_andnot_wp:1; unsigned smap_andnot_wp:1; + unsigned :8; + + /* + * This is left at the top of the word so that + * kvm_memslots_for_spte_role can extract it with a + * simple shift. While there is room, give it a whole + * byte so it is also faster to load it from memory. + */ + unsigned smm:8; }; }; @@ -338,12 +336,28 @@ struct kvm_pmu { u64 reprogram_pmi; }; +struct kvm_pmu_ops; + enum { KVM_DEBUGREG_BP_ENABLED = 1, KVM_DEBUGREG_WONT_EXIT = 2, KVM_DEBUGREG_RELOAD = 4, }; +struct kvm_mtrr_range { + u64 base; + u64 mask; + struct list_head node; +}; + +struct kvm_mtrr { + struct kvm_mtrr_range var_ranges[KVM_NR_VAR_MTRR]; + mtrr_type fixed_ranges[KVM_NR_FIXED_MTRR_REGION]; + u64 deftype; + + struct list_head head; +}; + struct kvm_vcpu_arch { /* * rip and regs accesses must go through @@ -368,6 +382,7 @@ struct kvm_vcpu_arch { int32_t apic_arb_prio; int mp_state; u64 ia32_misc_enable_msr; + u64 smbase; bool tpr_access_reporting; u64 ia32_xss; @@ -471,8 +486,9 @@ struct kvm_vcpu_arch { atomic_t nmi_queued; /* unprocessed asynchronous NMIs */ unsigned nmi_pending; /* NMI queued after currently running handler */ bool nmi_injected; /* Trying to inject an NMI this entry */ + bool smi_pending; /* SMI queued after currently running handler */ - struct mtrr_state_type mtrr_state; + struct kvm_mtrr mtrr_state; u64 pat; unsigned switch_db_regs; @@ -588,10 +604,12 @@ struct kvm_arch { bool iommu_noncoherent; #define __KVM_HAVE_ARCH_NONCOHERENT_DMA atomic_t noncoherent_dma_count; +#define __KVM_HAVE_ARCH_ASSIGNED_DEVICE + atomic_t assigned_device_count; struct kvm_pic *vpic; struct kvm_ioapic *vioapic; struct kvm_pit *vpit; - int vapics_in_nmi_mode; + atomic_t vapics_in_nmi_mode; struct mutex apic_map_lock; struct kvm_apic_map *apic_map; @@ -637,6 +655,8 @@ struct kvm_arch { #endif bool boot_vcpu_runs_old_kvmclock; + + u64 disabled_quirks; }; struct kvm_vm_stat { @@ -689,12 +709,13 @@ struct msr_data { struct kvm_lapic_irq { u32 vector; - u32 delivery_mode; - u32 dest_mode; - u32 level; - u32 trig_mode; + u16 delivery_mode; + u16 dest_mode; + bool level; + u16 trig_mode; u32 shorthand; u32 dest_id; + bool msi_redir_hint; }; struct kvm_x86_ops { @@ -706,19 +727,20 @@ struct kvm_x86_ops { int (*hardware_setup)(void); /* __init */ void (*hardware_unsetup)(void); /* __exit */ bool (*cpu_has_accelerated_tpr)(void); + bool (*cpu_has_high_real_mode_segbase)(void); void (*cpuid_update)(struct kvm_vcpu *vcpu); /* Create, but do not attach this VCPU */ struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned id); void (*vcpu_free)(struct kvm_vcpu *vcpu); - void (*vcpu_reset)(struct kvm_vcpu *vcpu); + void (*vcpu_reset)(struct kvm_vcpu *vcpu, bool init_event); void (*prepare_guest_switch)(struct kvm_vcpu *vcpu); void (*vcpu_load)(struct kvm_vcpu *vcpu, int cpu); void (*vcpu_put)(struct kvm_vcpu *vcpu); void (*update_db_bp_intercept)(struct kvm_vcpu *vcpu); - int (*get_msr)(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata); + int (*get_msr)(struct kvm_vcpu *vcpu, struct msr_data *msr); int (*set_msr)(struct kvm_vcpu *vcpu, struct msr_data *msr); u64 (*get_segment_base)(struct kvm_vcpu *vcpu, int seg); void (*get_segment)(struct kvm_vcpu *vcpu, @@ -836,6 +858,8 @@ struct kvm_x86_ops { void (*enable_log_dirty_pt_masked)(struct kvm *kvm, struct kvm_memory_slot *slot, gfn_t offset, unsigned long mask); + /* pmu operations of sub-arch */ + const struct kvm_pmu_ops *pmu_ops; }; struct kvm_arch_async_pf { @@ -871,7 +895,7 @@ void kvm_mmu_reset_context(struct kvm_vcpu *vcpu); void kvm_mmu_slot_remove_write_access(struct kvm *kvm, struct kvm_memory_slot *memslot); void kvm_mmu_zap_collapsible_sptes(struct kvm *kvm, - struct kvm_memory_slot *memslot); + const struct kvm_memory_slot *memslot); void kvm_mmu_slot_leaf_clear_dirty(struct kvm *kvm, struct kvm_memory_slot *memslot); void kvm_mmu_slot_largepage_remove_write_access(struct kvm *kvm, @@ -882,7 +906,7 @@ void kvm_mmu_clear_dirty_pt_masked(struct kvm *kvm, struct kvm_memory_slot *slot, gfn_t gfn_offset, unsigned long mask); void kvm_mmu_zap_all(struct kvm *kvm); -void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm); +void kvm_mmu_invalidate_mmio_sptes(struct kvm *kvm, struct kvm_memslots *slots); unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm); void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages); @@ -890,7 +914,6 @@ int load_pdptrs(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, unsigned long cr3); int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa, const void *val, int bytes); -u8 kvm_get_guest_memory_type(struct kvm_vcpu *vcpu, gfn_t gfn); struct kvm_irq_mask_notifier { void (*func)(struct kvm_irq_mask_notifier *kimn, bool masked); @@ -938,7 +961,7 @@ static inline int emulate_instruction(struct kvm_vcpu *vcpu, void kvm_enable_efer_bits(u64); bool kvm_valid_efer(struct kvm_vcpu *vcpu, u64 efer); -int kvm_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *data); +int kvm_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr); int kvm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr); struct x86_emulate_ctxt; @@ -967,7 +990,7 @@ void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw); void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l); int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr); -int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata); +int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr); int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr); unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu); @@ -1110,6 +1133,14 @@ enum { #define HF_NMI_MASK (1 << 3) #define HF_IRET_MASK (1 << 4) #define HF_GUEST_MASK (1 << 5) /* VCPU is in guest-mode */ +#define HF_SMM_MASK (1 << 6) +#define HF_SMM_INSIDE_NMI_MASK (1 << 7) + +#define __KVM_VCPU_MULTIPLE_ADDRESS_SPACE +#define KVM_ADDRESS_SPACE_NUM 2 + +#define kvm_arch_vcpu_memslots_id(vcpu) ((vcpu)->arch.hflags & HF_SMM_MASK ? 1 : 0) +#define kvm_memslots_for_spte_role(kvm, role) __kvm_memslots(kvm, (role).smm) /* * Hardware virtualization extension instructions may fault if a @@ -1144,7 +1175,7 @@ int kvm_cpu_has_injectable_intr(struct kvm_vcpu *v); int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu); int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu); int kvm_cpu_get_interrupt(struct kvm_vcpu *v); -void kvm_vcpu_reset(struct kvm_vcpu *vcpu); +void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event); void kvm_vcpu_reload_apic_access_page(struct kvm_vcpu *vcpu); void kvm_arch_mmu_notifier_invalidate_page(struct kvm *kvm, unsigned long address); @@ -1168,16 +1199,9 @@ void kvm_complete_insn_gp(struct kvm_vcpu *vcpu, int err); int kvm_is_in_guest(void); -void kvm_pmu_init(struct kvm_vcpu *vcpu); -void kvm_pmu_destroy(struct kvm_vcpu *vcpu); -void kvm_pmu_reset(struct kvm_vcpu *vcpu); -void kvm_pmu_cpuid_update(struct kvm_vcpu *vcpu); -bool kvm_pmu_msr(struct kvm_vcpu *vcpu, u32 msr); -int kvm_pmu_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *data); -int kvm_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info); -int kvm_pmu_check_pmc(struct kvm_vcpu *vcpu, unsigned pmc); -int kvm_pmu_read_pmc(struct kvm_vcpu *vcpu, unsigned pmc, u64 *data); -void kvm_handle_pmu_event(struct kvm_vcpu *vcpu); -void kvm_deliver_pmi(struct kvm_vcpu *vcpu); +int __x86_set_memory_region(struct kvm *kvm, + const struct kvm_userspace_memory_region *mem); +int x86_set_memory_region(struct kvm *kvm, + const struct kvm_userspace_memory_region *mem); #endif /* _ASM_X86_KVM_HOST_H */ diff --git a/arch/x86/include/asm/livepatch.h b/arch/x86/include/asm/livepatch.h index 2d29197bd2fb..19c099afa861 100644 --- a/arch/x86/include/asm/livepatch.h +++ b/arch/x86/include/asm/livepatch.h @@ -21,6 +21,7 @@ #ifndef _ASM_X86_LIVEPATCH_H #define _ASM_X86_LIVEPATCH_H +#include <asm/setup.h> #include <linux/module.h> #include <linux/ftrace.h> diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h index 5e8daee7c5c9..804a3a6030ca 100644 --- a/arch/x86/include/asm/mmu_context.h +++ b/arch/x86/include/asm/mmu_context.h @@ -23,7 +23,7 @@ extern struct static_key rdpmc_always_available; static inline void load_mm_cr4(struct mm_struct *mm) { - if (static_key_true(&rdpmc_always_available) || + if (static_key_false(&rdpmc_always_available) || atomic_read(&mm->context.perf_rdpmc_allowed)) cr4_set_bits(X86_CR4_PCE); else diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index b962e0fe5658..462594320d39 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -5,7 +5,7 @@ #include <linux/types.h> #include <linux/slab.h> #include <linux/string.h> -#include <asm/scatterlist.h> +#include <linux/scatterlist.h> #include <asm/io.h> #include <asm/x86_init.h> diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 2562e303405b..867da5bbb4a3 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -805,8 +805,8 @@ static inline int pmd_write(pmd_t pmd) return pmd_flags(pmd) & _PAGE_RW; } -#define __HAVE_ARCH_PMDP_GET_AND_CLEAR -static inline pmd_t pmdp_get_and_clear(struct mm_struct *mm, unsigned long addr, +#define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR +static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp) { pmd_t pmd = native_pmdp_get_and_clear(pmdp); diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 43e6519df0d5..944f1785ed0d 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -390,9 +390,6 @@ struct thread_struct { #endif unsigned long gs; - /* Floating point and extended processor state */ - struct fpu fpu; - /* Save middle states of ptrace breakpoints */ struct perf_event *ptrace_bps[HBP_NUM]; /* Debug status used for traps, single steps, etc... */ @@ -418,6 +415,13 @@ struct thread_struct { unsigned long iopl; /* Max allowed port in the bitmap, in bytes: */ unsigned io_bitmap_max; + + /* Floating point and extended processor state */ + struct fpu fpu; + /* + * WARNING: 'fpu' is dynamically-sized. It *MUST* be at + * the end. + */ }; /* diff --git a/arch/x86/include/asm/pvclock-abi.h b/arch/x86/include/asm/pvclock-abi.h index 6167fd798188..655e07a48f6c 100644 --- a/arch/x86/include/asm/pvclock-abi.h +++ b/arch/x86/include/asm/pvclock-abi.h @@ -41,5 +41,6 @@ struct pvclock_wall_clock { #define PVCLOCK_TSC_STABLE_BIT (1 << 0) #define PVCLOCK_GUEST_STOPPED (1 << 1) +#define PVCLOCK_COUNTS_FROM_ZERO (1 << 2) #endif /* __ASSEMBLY__ */ #endif /* _ASM_X86_PVCLOCK_ABI_H */ diff --git a/arch/x86/include/asm/pvclock.h b/arch/x86/include/asm/pvclock.h index d6b078e9fa28..628954ceede1 100644 --- a/arch/x86/include/asm/pvclock.h +++ b/arch/x86/include/asm/pvclock.h @@ -86,7 +86,6 @@ unsigned __pvclock_read_cycles(const struct pvclock_vcpu_time_info *src, offset = pvclock_get_nsec_offset(src); ret = src->system_time + offset; ret_flags = src->flags; - rdtsc_barrier(); *cycles = ret; *flags = ret_flags; diff --git a/arch/x86/include/asm/serial.h b/arch/x86/include/asm/serial.h index 8378b8c9109c..bb658211edad 100644 --- a/arch/x86/include/asm/serial.h +++ b/arch/x86/include/asm/serial.h @@ -11,7 +11,7 @@ #define BASE_BAUD (1843200/16) /* Standard COM flags (except for COM4, because of the 8514 problem) */ -#ifdef CONFIG_SERIAL_DETECT_IRQ +#ifdef CONFIG_SERIAL_8250_DETECT_IRQ # define STD_COMX_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ) # define STD_COM4_FLAGS (UPF_BOOT_AUTOCONF | 0 | UPF_AUTO_IRQ) #else diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h index f69e06b283fb..11af24e09c8a 100644 --- a/arch/x86/include/asm/setup.h +++ b/arch/x86/include/asm/setup.h @@ -60,17 +60,24 @@ static inline void x86_ce4100_early_setup(void) { } #ifndef _SETUP #include <asm/espfix.h> +#include <linux/kernel.h> /* * This is set up by the setup-routine at boot-time */ extern struct boot_params boot_params; +extern char _text[]; static inline bool kaslr_enabled(void) { return !!(boot_params.hdr.loadflags & KASLR_FLAG); } +static inline unsigned long kaslr_offset(void) +{ + return (unsigned long)&_text - __START_KERNEL; +} + /* * Do NOT EVER look at the BIOS memory size location. * It does not work on many machines. diff --git a/arch/x86/include/uapi/asm/e820.h b/arch/x86/include/uapi/asm/e820.h index 960a8a9dc4ab..0f457e6eab18 100644 --- a/arch/x86/include/uapi/asm/e820.h +++ b/arch/x86/include/uapi/asm/e820.h @@ -32,6 +32,7 @@ #define E820_ACPI 3 #define E820_NVS 4 #define E820_UNUSABLE 5 +#define E820_PMEM 7 /* * This is a non-standardized way to represent ADR or NVDIMM regions that diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h index ce6068dbcfbc..f36d56bd7632 100644 --- a/arch/x86/include/uapi/asm/hyperv.h +++ b/arch/x86/include/uapi/asm/hyperv.h @@ -108,6 +108,8 @@ #define HV_X64_HYPERCALL_PARAMS_XMM_AVAILABLE (1 << 4) /* Support for a virtual guest idle state is available */ #define HV_X64_GUEST_IDLE_STATE_AVAILABLE (1 << 5) +/* Guest crash data handler available */ +#define HV_X64_GUEST_CRASH_MSR_AVAILABLE (1 << 10) /* * Implementation recommendations. Indicates which behaviors the hypervisor @@ -199,6 +201,17 @@ #define HV_X64_MSR_STIMER3_CONFIG 0x400000B6 #define HV_X64_MSR_STIMER3_COUNT 0x400000B7 +/* Hyper-V guest crash notification MSR's */ +#define HV_X64_MSR_CRASH_P0 0x40000100 +#define HV_X64_MSR_CRASH_P1 0x40000101 +#define HV_X64_MSR_CRASH_P2 0x40000102 +#define HV_X64_MSR_CRASH_P3 0x40000103 +#define HV_X64_MSR_CRASH_P4 0x40000104 +#define HV_X64_MSR_CRASH_CTL 0x40000105 +#define HV_X64_MSR_CRASH_CTL_NOTIFY (1ULL << 63) +#define HV_X64_MSR_CRASH_PARAMS \ + (1 + (HV_X64_MSR_CRASH_P4 - HV_X64_MSR_CRASH_P0)) + #define HV_X64_MSR_HYPERCALL_ENABLE 0x00000001 #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT 12 #define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_MASK \ diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h index d7dcef58aefa..cd54147cb365 100644 --- a/arch/x86/include/uapi/asm/kvm.h +++ b/arch/x86/include/uapi/asm/kvm.h @@ -106,6 +106,8 @@ struct kvm_ioapic_state { #define KVM_IRQCHIP_IOAPIC 2 #define KVM_NR_IRQCHIPS 3 +#define KVM_RUN_X86_SMM (1 << 0) + /* for KVM_GET_REGS and KVM_SET_REGS */ struct kvm_regs { /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */ @@ -281,6 +283,7 @@ struct kvm_reinject_control { #define KVM_VCPUEVENT_VALID_NMI_PENDING 0x00000001 #define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002 #define KVM_VCPUEVENT_VALID_SHADOW 0x00000004 +#define KVM_VCPUEVENT_VALID_SMM 0x00000008 /* Interrupt shadow states */ #define KVM_X86_SHADOW_INT_MOV_SS 0x01 @@ -309,7 +312,13 @@ struct kvm_vcpu_events { } nmi; __u32 sipi_vector; __u32 flags; - __u32 reserved[10]; + struct { + __u8 smm; + __u8 pending; + __u8 smm_inside_nmi; + __u8 latched_init; + } smi; + __u32 reserved[9]; }; /* for KVM_GET/SET_DEBUGREGS */ @@ -345,4 +354,7 @@ struct kvm_xcrs { struct kvm_sync_regs { }; +#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0) +#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1) + #endif /* _ASM_X86_KVM_H */ |
