diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/include/asm/kvm_host.h')
-rw-r--r-- | ANDROID_3.4.5/arch/x86/include/asm/kvm_host.h | 970 |
1 files changed, 0 insertions, 970 deletions
diff --git a/ANDROID_3.4.5/arch/x86/include/asm/kvm_host.h b/ANDROID_3.4.5/arch/x86/include/asm/kvm_host.h deleted file mode 100644 index e216ba06..00000000 --- a/ANDROID_3.4.5/arch/x86/include/asm/kvm_host.h +++ /dev/null @@ -1,970 +0,0 @@ -/* - * Kernel-based Virtual Machine driver for Linux - * - * This header defines architecture specific interfaces, x86 version - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - * - */ - -#ifndef _ASM_X86_KVM_HOST_H -#define _ASM_X86_KVM_HOST_H - -#include <linux/types.h> -#include <linux/mm.h> -#include <linux/mmu_notifier.h> -#include <linux/tracepoint.h> -#include <linux/cpumask.h> -#include <linux/irq_work.h> - -#include <linux/kvm.h> -#include <linux/kvm_para.h> -#include <linux/kvm_types.h> -#include <linux/perf_event.h> - -#include <asm/pvclock-abi.h> -#include <asm/desc.h> -#include <asm/mtrr.h> -#include <asm/msr-index.h> - -#define KVM_MAX_VCPUS 254 -#define KVM_SOFT_MAX_VCPUS 160 -#define KVM_MEMORY_SLOTS 32 -/* memory slots that does not exposed to userspace */ -#define KVM_PRIVATE_MEM_SLOTS 4 -#define KVM_MEM_SLOTS_NUM (KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS) - -#define KVM_MMIO_SIZE 16 - -#define KVM_PIO_PAGE_OFFSET 1 -#define KVM_COALESCED_MMIO_PAGE_OFFSET 2 - -#define CR0_RESERVED_BITS \ - (~(unsigned long)(X86_CR0_PE | X86_CR0_MP | X86_CR0_EM | X86_CR0_TS \ - | X86_CR0_ET | X86_CR0_NE | X86_CR0_WP | X86_CR0_AM \ - | X86_CR0_NW | X86_CR0_CD | X86_CR0_PG)) - -#define CR3_PAE_RESERVED_BITS ((X86_CR3_PWT | X86_CR3_PCD) - 1) -#define CR3_NONPAE_RESERVED_BITS ((PAGE_SIZE-1) & ~(X86_CR3_PWT | X86_CR3_PCD)) -#define CR3_L_MODE_RESERVED_BITS (CR3_NONPAE_RESERVED_BITS | \ - 0xFFFFFF0000000000ULL) -#define CR4_RESERVED_BITS \ - (~(unsigned long)(X86_CR4_VME | X86_CR4_PVI | X86_CR4_TSD | X86_CR4_DE\ - | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE \ - | X86_CR4_PGE | X86_CR4_PCE | X86_CR4_OSFXSR \ - | X86_CR4_OSXSAVE | X86_CR4_SMEP | X86_CR4_RDWRGSFS \ - | X86_CR4_OSXMMEXCPT | X86_CR4_VMXE)) - -#define CR8_RESERVED_BITS (~(unsigned long)X86_CR8_TPR) - - - -#define INVALID_PAGE (~(hpa_t)0) -#define VALID_PAGE(x) ((x) != INVALID_PAGE) - -#define UNMAPPED_GVA (~(gpa_t)0) - -/* KVM Hugepage definitions for x86 */ -#define KVM_NR_PAGE_SIZES 3 -#define KVM_HPAGE_GFN_SHIFT(x) (((x) - 1) * 9) -#define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x)) -#define KVM_HPAGE_SIZE(x) (1UL << KVM_HPAGE_SHIFT(x)) -#define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1)) -#define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE) - -#define DE_VECTOR 0 -#define DB_VECTOR 1 -#define BP_VECTOR 3 -#define OF_VECTOR 4 -#define BR_VECTOR 5 -#define UD_VECTOR 6 -#define NM_VECTOR 7 -#define DF_VECTOR 8 -#define TS_VECTOR 10 -#define NP_VECTOR 11 -#define SS_VECTOR 12 -#define GP_VECTOR 13 -#define PF_VECTOR 14 -#define MF_VECTOR 16 -#define MC_VECTOR 18 - -#define SELECTOR_TI_MASK (1 << 2) -#define SELECTOR_RPL_MASK 0x03 - -#define IOPL_SHIFT 12 - -#define KVM_PERMILLE_MMU_PAGES 20 -#define KVM_MIN_ALLOC_MMU_PAGES 64 -#define KVM_MMU_HASH_SHIFT 10 -#define KVM_NUM_MMU_PAGES (1 << KVM_MMU_HASH_SHIFT) -#define KVM_MIN_FREE_MMU_PAGES 5 -#define KVM_REFILL_PAGES 25 -#define KVM_MAX_CPUID_ENTRIES 80 -#define KVM_NR_FIXED_MTRR_REGION 88 -#define KVM_NR_VAR_MTRR 8 - -#define ASYNC_PF_PER_VCPU 64 - -extern raw_spinlock_t kvm_lock; -extern struct list_head vm_list; - -struct kvm_vcpu; -struct kvm; -struct kvm_async_pf; - -enum kvm_reg { - VCPU_REGS_RAX = 0, - VCPU_REGS_RCX = 1, - VCPU_REGS_RDX = 2, - VCPU_REGS_RBX = 3, - VCPU_REGS_RSP = 4, - VCPU_REGS_RBP = 5, - VCPU_REGS_RSI = 6, - VCPU_REGS_RDI = 7, -#ifdef CONFIG_X86_64 - VCPU_REGS_R8 = 8, - VCPU_REGS_R9 = 9, - VCPU_REGS_R10 = 10, - VCPU_REGS_R11 = 11, - VCPU_REGS_R12 = 12, - VCPU_REGS_R13 = 13, - VCPU_REGS_R14 = 14, - VCPU_REGS_R15 = 15, -#endif - VCPU_REGS_RIP, - NR_VCPU_REGS -}; - -enum kvm_reg_ex { - VCPU_EXREG_PDPTR = NR_VCPU_REGS, - VCPU_EXREG_CR3, - VCPU_EXREG_RFLAGS, - VCPU_EXREG_CPL, - VCPU_EXREG_SEGMENTS, -}; - -enum { - VCPU_SREG_ES, - VCPU_SREG_CS, - VCPU_SREG_SS, - VCPU_SREG_DS, - VCPU_SREG_FS, - VCPU_SREG_GS, - VCPU_SREG_TR, - VCPU_SREG_LDTR, -}; - -#include <asm/kvm_emulate.h> - -#define KVM_NR_MEM_OBJS 40 - -#define KVM_NR_DB_REGS 4 - -#define DR6_BD (1 << 13) -#define DR6_BS (1 << 14) -#define DR6_FIXED_1 0xffff0ff0 -#define DR6_VOLATILE 0x0000e00f - -#define DR7_BP_EN_MASK 0x000000ff -#define DR7_GE (1 << 9) -#define DR7_GD (1 << 13) -#define DR7_FIXED_1 0x00000400 -#define DR7_VOLATILE 0xffff23ff - -/* - * We don't want allocation failures within the mmu code, so we preallocate - * enough memory for a single page fault in a cache. - */ -struct kvm_mmu_memory_cache { - int nobjs; - 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; - unsigned nxe:1; - unsigned cr0_wp:1; - unsigned smep_andnot_wp:1; - }; -}; - -struct kvm_mmu_page { - struct list_head link; - struct hlist_node hash_link; - - /* - * The following two entries are used to key the shadow page in the - * hash table. - */ - gfn_t gfn; - union kvm_mmu_page_role role; - - u64 *spt; - /* hold the gfn of each spte inside spt */ - gfn_t *gfns; - /* - * One bit set per slot which has memory - * in this shadow page. - */ - DECLARE_BITMAP(slot_bitmap, KVM_MEM_SLOTS_NUM); - bool unsync; - int root_count; /* Currently serving as active root */ - unsigned int unsync_children; - unsigned long parent_ptes; /* Reverse mapping for parent_pte */ - DECLARE_BITMAP(unsync_child_bitmap, 512); - -#ifdef CONFIG_X86_32 - int clear_spte_count; -#endif - - int write_flooding_count; - - struct rcu_head rcu; -}; - -struct kvm_pio_request { - unsigned long count; - int in; - int port; - int size; -}; - -/* - * x86 supports 3 paging modes (4-level 64-bit, 3-level 64-bit, and 2-level - * 32-bit). The kvm_mmu structure abstracts the details of the current mmu - * mode. - */ -struct kvm_mmu { - void (*new_cr3)(struct kvm_vcpu *vcpu); - void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long root); - unsigned long (*get_cr3)(struct kvm_vcpu *vcpu); - u64 (*get_pdptr)(struct kvm_vcpu *vcpu, int index); - int (*page_fault)(struct kvm_vcpu *vcpu, gva_t gva, u32 err, - bool prefault); - void (*inject_page_fault)(struct kvm_vcpu *vcpu, - struct x86_exception *fault); - void (*free)(struct kvm_vcpu *vcpu); - gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva, u32 access, - struct x86_exception *exception); - gpa_t (*translate_gpa)(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access); - int (*sync_page)(struct kvm_vcpu *vcpu, - struct kvm_mmu_page *sp); - void (*invlpg)(struct kvm_vcpu *vcpu, gva_t gva); - void (*update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, - u64 *spte, const void *pte); - hpa_t root_hpa; - int root_level; - int shadow_root_level; - union kvm_mmu_page_role base_role; - bool direct_map; - - u64 *pae_root; - u64 *lm_root; - u64 rsvd_bits_mask[2][4]; - - bool nx; - - u64 pdptrs[4]; /* pae */ -}; - -enum pmc_type { - KVM_PMC_GP = 0, - KVM_PMC_FIXED, -}; - -struct kvm_pmc { - enum pmc_type type; - u8 idx; - u64 counter; - u64 eventsel; - struct perf_event *perf_event; - struct kvm_vcpu *vcpu; -}; - -struct kvm_pmu { - unsigned nr_arch_gp_counters; - unsigned nr_arch_fixed_counters; - unsigned available_event_types; - u64 fixed_ctr_ctrl; - u64 global_ctrl; - u64 global_status; - u64 global_ovf_ctrl; - u64 counter_bitmask[2]; - u64 global_ctrl_mask; - u8 version; - struct kvm_pmc gp_counters[X86_PMC_MAX_GENERIC]; - struct kvm_pmc fixed_counters[X86_PMC_MAX_FIXED]; - struct irq_work irq_work; - u64 reprogram_pmi; -}; - -struct kvm_vcpu_arch { - /* - * rip and regs accesses must go through - * kvm_{register,rip}_{read,write} functions. - */ - unsigned long regs[NR_VCPU_REGS]; - u32 regs_avail; - u32 regs_dirty; - - unsigned long cr0; - unsigned long cr0_guest_owned_bits; - unsigned long cr2; - unsigned long cr3; - unsigned long cr4; - unsigned long cr4_guest_owned_bits; - unsigned long cr8; - u32 hflags; - u64 efer; - u64 apic_base; - struct kvm_lapic *apic; /* kernel irqchip context */ - int32_t apic_arb_prio; - int mp_state; - int sipi_vector; - u64 ia32_misc_enable_msr; - bool tpr_access_reporting; - - /* - * Paging state of the vcpu - * - * If the vcpu runs in guest mode with two level paging this still saves - * the paging mode of the l1 guest. This context is always used to - * handle faults. - */ - struct kvm_mmu mmu; - - /* - * Paging state of an L2 guest (used for nested npt) - * - * This context will save all necessary information to walk page tables - * of the an L2 guest. This context is only initialized for page table - * walking and not for faulting since we never handle l2 page faults on - * the host. - */ - struct kvm_mmu nested_mmu; - - /* - * Pointer to the mmu context currently used for - * gva_to_gpa translations. - */ - struct kvm_mmu *walk_mmu; - - struct kvm_mmu_memory_cache mmu_pte_list_desc_cache; - struct kvm_mmu_memory_cache mmu_page_cache; - struct kvm_mmu_memory_cache mmu_page_header_cache; - - struct fpu guest_fpu; - u64 xcr0; - - struct kvm_pio_request pio; - void *pio_data; - - u8 event_exit_inst_len; - - struct kvm_queued_exception { - bool pending; - bool has_error_code; - bool reinject; - u8 nr; - u32 error_code; - } exception; - - struct kvm_queued_interrupt { - bool pending; - bool soft; - u8 nr; - } interrupt; - - int halt_request; /* real mode on Intel only */ - - int cpuid_nent; - struct kvm_cpuid_entry2 cpuid_entries[KVM_MAX_CPUID_ENTRIES]; - /* emulate context */ - - struct x86_emulate_ctxt emulate_ctxt; - bool emulate_regs_need_sync_to_vcpu; - bool emulate_regs_need_sync_from_vcpu; - - gpa_t time; - struct pvclock_vcpu_time_info hv_clock; - unsigned int hw_tsc_khz; - unsigned int time_offset; - struct page *time_page; - - struct { - u64 msr_val; - u64 last_steal; - u64 accum_steal; - struct gfn_to_hva_cache stime; - struct kvm_steal_time steal; - } st; - - u64 last_guest_tsc; - u64 last_kernel_ns; - u64 last_host_tsc; - u64 tsc_offset_adjustment; - u64 this_tsc_nsec; - u64 this_tsc_write; - u8 this_tsc_generation; - bool tsc_catchup; - bool tsc_always_catchup; - s8 virtual_tsc_shift; - u32 virtual_tsc_mult; - u32 virtual_tsc_khz; - - 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 */ - - struct mtrr_state_type mtrr_state; - u32 pat; - - int switch_db_regs; - unsigned long db[KVM_NR_DB_REGS]; - unsigned long dr6; - unsigned long dr7; - unsigned long eff_db[KVM_NR_DB_REGS]; - - u64 mcg_cap; - u64 mcg_status; - u64 mcg_ctl; - u64 *mce_banks; - - /* Cache MMIO info */ - u64 mmio_gva; - unsigned access; - gfn_t mmio_gfn; - - struct kvm_pmu pmu; - - /* used for guest single stepping over the given code position */ - unsigned long singlestep_rip; - - /* fields used by HYPER-V emulation */ - u64 hv_vapic; - - cpumask_var_t wbinvd_dirty_mask; - - unsigned long last_retry_eip; - unsigned long last_retry_addr; - - struct { - bool halted; - gfn_t gfns[roundup_pow_of_two(ASYNC_PF_PER_VCPU)]; - struct gfn_to_hva_cache data; - u64 msr_val; - u32 id; - bool send_user_only; - } apf; - - /* OSVW MSRs (AMD only) */ - struct { - u64 length; - u64 status; - } osvw; -}; - -struct kvm_lpage_info { - unsigned long rmap_pde; - int write_count; -}; - -struct kvm_arch_memory_slot { - struct kvm_lpage_info *lpage_info[KVM_NR_PAGE_SIZES - 1]; -}; - -struct kvm_arch { - unsigned int n_used_mmu_pages; - unsigned int n_requested_mmu_pages; - unsigned int n_max_mmu_pages; - unsigned int indirect_shadow_pages; - struct hlist_head mmu_page_hash[KVM_NUM_MMU_PAGES]; - /* - * Hash table of struct kvm_mmu_page. - */ - struct list_head active_mmu_pages; - struct list_head assigned_dev_head; - struct iommu_domain *iommu_domain; - int iommu_flags; - struct kvm_pic *vpic; - struct kvm_ioapic *vioapic; - struct kvm_pit *vpit; - int vapics_in_nmi_mode; - - unsigned int tss_addr; - struct page *apic_access_page; - - gpa_t wall_clock; - - struct page *ept_identity_pagetable; - bool ept_identity_pagetable_done; - gpa_t ept_identity_map_addr; - - unsigned long irq_sources_bitmap; - s64 kvmclock_offset; - raw_spinlock_t tsc_write_lock; - u64 last_tsc_nsec; - u64 last_tsc_write; - u32 last_tsc_khz; - u64 cur_tsc_nsec; - u64 cur_tsc_write; - u64 cur_tsc_offset; - u8 cur_tsc_generation; - - struct kvm_xen_hvm_config xen_hvm_config; - - /* fields used by HYPER-V emulation */ - u64 hv_guest_os_id; - u64 hv_hypercall; - - atomic_t reader_counter; - - #ifdef CONFIG_KVM_MMU_AUDIT - int audit_point; - #endif -}; - -struct kvm_vm_stat { - u32 mmu_shadow_zapped; - u32 mmu_pte_write; - u32 mmu_pte_updated; - u32 mmu_pde_zapped; - u32 mmu_flooded; - u32 mmu_recycled; - u32 mmu_cache_miss; - u32 mmu_unsync; - u32 remote_tlb_flush; - u32 lpages; -}; - -struct kvm_vcpu_stat { - u32 pf_fixed; - u32 pf_guest; - u32 tlb_flush; - u32 invlpg; - - u32 exits; - u32 io_exits; - u32 mmio_exits; - u32 signal_exits; - u32 irq_window_exits; - u32 nmi_window_exits; - u32 halt_exits; - u32 halt_wakeup; - u32 request_irq_exits; - u32 irq_exits; - u32 host_state_reload; - u32 efer_reload; - u32 fpu_reload; - u32 insn_emulation; - u32 insn_emulation_fail; - u32 hypercalls; - u32 irq_injections; - u32 nmi_injections; -}; - -struct x86_instruction_info; - -struct kvm_x86_ops { - int (*cpu_has_kvm_support)(void); /* __init */ - int (*disabled_by_bios)(void); /* __init */ - int (*hardware_enable)(void *dummy); - void (*hardware_disable)(void *dummy); - void (*check_processor_compatibility)(void *rtn); - int (*hardware_setup)(void); /* __init */ - void (*hardware_unsetup)(void); /* __exit */ - bool (*cpu_has_accelerated_tpr)(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); - int (*vcpu_reset)(struct kvm_vcpu *vcpu); - - 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 (*set_guest_debug)(struct kvm_vcpu *vcpu, - struct kvm_guest_debug *dbg); - int (*get_msr)(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata); - int (*set_msr)(struct kvm_vcpu *vcpu, u32 msr_index, u64 data); - u64 (*get_segment_base)(struct kvm_vcpu *vcpu, int seg); - void (*get_segment)(struct kvm_vcpu *vcpu, - struct kvm_segment *var, int seg); - int (*get_cpl)(struct kvm_vcpu *vcpu); - void (*set_segment)(struct kvm_vcpu *vcpu, - struct kvm_segment *var, int seg); - void (*get_cs_db_l_bits)(struct kvm_vcpu *vcpu, int *db, int *l); - void (*decache_cr0_guest_bits)(struct kvm_vcpu *vcpu); - void (*decache_cr3)(struct kvm_vcpu *vcpu); - void (*decache_cr4_guest_bits)(struct kvm_vcpu *vcpu); - void (*set_cr0)(struct kvm_vcpu *vcpu, unsigned long cr0); - void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3); - int (*set_cr4)(struct kvm_vcpu *vcpu, unsigned long cr4); - void (*set_efer)(struct kvm_vcpu *vcpu, u64 efer); - void (*get_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); - void (*set_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); - void (*get_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); - void (*set_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt); - void (*set_dr7)(struct kvm_vcpu *vcpu, unsigned long value); - void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg); - unsigned long (*get_rflags)(struct kvm_vcpu *vcpu); - void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags); - void (*fpu_activate)(struct kvm_vcpu *vcpu); - void (*fpu_deactivate)(struct kvm_vcpu *vcpu); - - void (*tlb_flush)(struct kvm_vcpu *vcpu); - - void (*run)(struct kvm_vcpu *vcpu); - int (*handle_exit)(struct kvm_vcpu *vcpu); - void (*skip_emulated_instruction)(struct kvm_vcpu *vcpu); - void (*set_interrupt_shadow)(struct kvm_vcpu *vcpu, int mask); - u32 (*get_interrupt_shadow)(struct kvm_vcpu *vcpu, int mask); - void (*patch_hypercall)(struct kvm_vcpu *vcpu, - unsigned char *hypercall_addr); - void (*set_irq)(struct kvm_vcpu *vcpu); - void (*set_nmi)(struct kvm_vcpu *vcpu); - void (*queue_exception)(struct kvm_vcpu *vcpu, unsigned nr, - bool has_error_code, u32 error_code, - bool reinject); - void (*cancel_injection)(struct kvm_vcpu *vcpu); - int (*interrupt_allowed)(struct kvm_vcpu *vcpu); - int (*nmi_allowed)(struct kvm_vcpu *vcpu); - bool (*get_nmi_mask)(struct kvm_vcpu *vcpu); - void (*set_nmi_mask)(struct kvm_vcpu *vcpu, bool masked); - void (*enable_nmi_window)(struct kvm_vcpu *vcpu); - void (*enable_irq_window)(struct kvm_vcpu *vcpu); - void (*update_cr8_intercept)(struct kvm_vcpu *vcpu, int tpr, int irr); - int (*set_tss_addr)(struct kvm *kvm, unsigned int addr); - int (*get_tdp_level)(void); - u64 (*get_mt_mask)(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio); - int (*get_lpage_level)(void); - bool (*rdtscp_supported)(void); - void (*adjust_tsc_offset)(struct kvm_vcpu *vcpu, s64 adjustment, bool host); - - void (*set_tdp_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3); - - void (*set_supported_cpuid)(u32 func, struct kvm_cpuid_entry2 *entry); - - bool (*has_wbinvd_exit)(void); - - void (*set_tsc_khz)(struct kvm_vcpu *vcpu, u32 user_tsc_khz, bool scale); - void (*write_tsc_offset)(struct kvm_vcpu *vcpu, u64 offset); - - u64 (*compute_tsc_offset)(struct kvm_vcpu *vcpu, u64 target_tsc); - u64 (*read_l1_tsc)(struct kvm_vcpu *vcpu); - - void (*get_exit_info)(struct kvm_vcpu *vcpu, u64 *info1, u64 *info2); - - int (*check_intercept)(struct kvm_vcpu *vcpu, - struct x86_instruction_info *info, - enum x86_intercept_stage stage); -}; - -struct kvm_arch_async_pf { - u32 token; - gfn_t gfn; - unsigned long cr3; - bool direct_map; -}; - -extern struct kvm_x86_ops *kvm_x86_ops; - -static inline void adjust_tsc_offset_guest(struct kvm_vcpu *vcpu, - s64 adjustment) -{ - kvm_x86_ops->adjust_tsc_offset(vcpu, adjustment, false); -} - -static inline void adjust_tsc_offset_host(struct kvm_vcpu *vcpu, s64 adjustment) -{ - kvm_x86_ops->adjust_tsc_offset(vcpu, adjustment, true); -} - -int kvm_mmu_module_init(void); -void kvm_mmu_module_exit(void); - -void kvm_mmu_destroy(struct kvm_vcpu *vcpu); -int kvm_mmu_create(struct kvm_vcpu *vcpu); -int kvm_mmu_setup(struct kvm_vcpu *vcpu); -void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask, - u64 dirty_mask, u64 nx_mask, u64 x_mask); - -int kvm_mmu_reset_context(struct kvm_vcpu *vcpu); -void kvm_mmu_slot_remove_write_access(struct kvm *kvm, int slot); -int kvm_mmu_rmap_write_protect(struct kvm *kvm, u64 gfn, - struct kvm_memory_slot *slot); -void kvm_mmu_zap_all(struct kvm *kvm); -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); - -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); - -extern bool tdp_enabled; - -u64 vcpu_tsc_khz(struct kvm_vcpu *vcpu); - -/* control of guest tsc rate supported? */ -extern bool kvm_has_tsc_control; -/* minimum supported tsc_khz for guests */ -extern u32 kvm_min_guest_tsc_khz; -/* maximum supported tsc_khz for guests */ -extern u32 kvm_max_guest_tsc_khz; - -enum emulation_result { - EMULATE_DONE, /* no further processing */ - EMULATE_DO_MMIO, /* kvm_run filled with mmio request */ - EMULATE_FAIL, /* can't emulate this instruction */ -}; - -#define EMULTYPE_NO_DECODE (1 << 0) -#define EMULTYPE_TRAP_UD (1 << 1) -#define EMULTYPE_SKIP (1 << 2) -#define EMULTYPE_RETRY (1 << 3) -int x86_emulate_instruction(struct kvm_vcpu *vcpu, unsigned long cr2, - int emulation_type, void *insn, int insn_len); - -static inline int emulate_instruction(struct kvm_vcpu *vcpu, - int emulation_type) -{ - return x86_emulate_instruction(vcpu, 0, emulation_type, NULL, 0); -} - -void kvm_enable_efer_bits(u64); -int kvm_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *data); -int kvm_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data); - -struct x86_emulate_ctxt; - -int kvm_fast_pio_out(struct kvm_vcpu *vcpu, int size, unsigned short port); -void kvm_emulate_cpuid(struct kvm_vcpu *vcpu); -int kvm_emulate_halt(struct kvm_vcpu *vcpu); -int kvm_emulate_wbinvd(struct kvm_vcpu *vcpu); - -void kvm_get_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg); -int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int seg); - -int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int idt_index, - int reason, bool has_error_code, u32 error_code); - -int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0); -int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3); -int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4); -int kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8); -int kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val); -int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val); -unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu); -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_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data); - -unsigned long kvm_get_rflags(struct kvm_vcpu *vcpu); -void kvm_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags); -bool kvm_rdpmc(struct kvm_vcpu *vcpu); - -void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr); -void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code); -void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr); -void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code); -void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault); -int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, - gfn_t gfn, void *data, int offset, int len, - u32 access); -void kvm_propagate_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault); -bool kvm_require_cpl(struct kvm_vcpu *vcpu, int required_cpl); - -int kvm_pic_set_irq(void *opaque, int irq, int level); - -void kvm_inject_nmi(struct kvm_vcpu *vcpu); - -int fx_init(struct kvm_vcpu *vcpu); - -void kvm_mmu_flush_tlb(struct kvm_vcpu *vcpu); -void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, - const u8 *new, int bytes); -int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn); -int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva); -void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu); -int kvm_mmu_load(struct kvm_vcpu *vcpu); -void kvm_mmu_unload(struct kvm_vcpu *vcpu); -void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu); -gpa_t translate_nested_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access); -gpa_t kvm_mmu_gva_to_gpa_read(struct kvm_vcpu *vcpu, gva_t gva, - struct x86_exception *exception); -gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva, - struct x86_exception *exception); -gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva, - struct x86_exception *exception); -gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, - struct x86_exception *exception); - -int kvm_emulate_hypercall(struct kvm_vcpu *vcpu); - -int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code, - void *insn, int insn_len); -void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva); - -void kvm_enable_tdp(void); -void kvm_disable_tdp(void); - -int complete_pio(struct kvm_vcpu *vcpu); -bool kvm_check_iopl(struct kvm_vcpu *vcpu); - -static inline gpa_t translate_gpa(struct kvm_vcpu *vcpu, gpa_t gpa, u32 access) -{ - return gpa; -} - -static inline struct kvm_mmu_page *page_header(hpa_t shadow_page) -{ - struct page *page = pfn_to_page(shadow_page >> PAGE_SHIFT); - - return (struct kvm_mmu_page *)page_private(page); -} - -static inline u16 kvm_read_ldt(void) -{ - u16 ldt; - asm("sldt %0" : "=g"(ldt)); - return ldt; -} - -static inline void kvm_load_ldt(u16 sel) -{ - asm("lldt %0" : : "rm"(sel)); -} - -#ifdef CONFIG_X86_64 -static inline unsigned long read_msr(unsigned long msr) -{ - u64 value; - - rdmsrl(msr, value); - return value; -} -#endif - -static inline u32 get_rdx_init_val(void) -{ - return 0x600; /* P6 family */ -} - -static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code) -{ - kvm_queue_exception_e(vcpu, GP_VECTOR, error_code); -} - -#define TSS_IOPB_BASE_OFFSET 0x66 -#define TSS_BASE_SIZE 0x68 -#define TSS_IOPB_SIZE (65536 / 8) -#define TSS_REDIRECTION_SIZE (256 / 8) -#define RMODE_TSS_SIZE \ - (TSS_BASE_SIZE + TSS_REDIRECTION_SIZE + TSS_IOPB_SIZE + 1) - -enum { - TASK_SWITCH_CALL = 0, - TASK_SWITCH_IRET = 1, - TASK_SWITCH_JMP = 2, - TASK_SWITCH_GATE = 3, -}; - -#define HF_GIF_MASK (1 << 0) -#define HF_HIF_MASK (1 << 1) -#define HF_VINTR_MASK (1 << 2) -#define HF_NMI_MASK (1 << 3) -#define HF_IRET_MASK (1 << 4) -#define HF_GUEST_MASK (1 << 5) /* VCPU is in guest-mode */ - -/* - * Hardware virtualization extension instructions may fault if a - * reboot turns off virtualization while processes are running. - * Trap the fault and ignore the instruction if that happens. - */ -asmlinkage void kvm_spurious_fault(void); -extern bool kvm_rebooting; - -#define ____kvm_handle_fault_on_reboot(insn, cleanup_insn) \ - "666: " insn "\n\t" \ - "668: \n\t" \ - ".pushsection .fixup, \"ax\" \n" \ - "667: \n\t" \ - cleanup_insn "\n\t" \ - "cmpb $0, kvm_rebooting \n\t" \ - "jne 668b \n\t" \ - __ASM_SIZE(push) " $666b \n\t" \ - "call kvm_spurious_fault \n\t" \ - ".popsection \n\t" \ - ".pushsection __ex_table, \"a\" \n\t" \ - _ASM_PTR " 666b, 667b \n\t" \ - ".popsection" - -#define __kvm_handle_fault_on_reboot(insn) \ - ____kvm_handle_fault_on_reboot(insn, "") - -#define KVM_ARCH_WANT_MMU_NOTIFIER -int kvm_unmap_hva(struct kvm *kvm, unsigned long hva); -int kvm_age_hva(struct kvm *kvm, unsigned long hva); -int kvm_test_age_hva(struct kvm *kvm, unsigned long hva); -void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte); -int cpuid_maxphyaddr(struct kvm_vcpu *vcpu); -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_define_shared_msr(unsigned index, u32 msr); -void kvm_set_shared_msr(unsigned index, u64 val, u64 mask); - -bool kvm_is_linear_rip(struct kvm_vcpu *vcpu, unsigned long linear_rip); - -void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu, - struct kvm_async_pf *work); -void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, - struct kvm_async_pf *work); -void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, - struct kvm_async_pf *work); -bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu); -extern bool kvm_find_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn); - -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, u32 msr, u64 data); -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); - -#endif /* _ASM_X86_KVM_HOST_H */ |