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-rw-r--r--include/asm-x86/kvm_host.h738
1 files changed, 0 insertions, 738 deletions
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
deleted file mode 100644
index c2e34c27590..00000000000
--- a/include/asm-x86/kvm_host.h
+++ /dev/null
@@ -1,738 +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_KVM_HOST_H
-#define ASM_KVM_HOST_H
-
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/mmu_notifier.h>
-
-#include <linux/kvm.h>
-#include <linux/kvm_para.h>
-#include <linux/kvm_types.h>
-
-#include <asm/pvclock-abi.h>
-#include <asm/desc.h>
-
-#define KVM_MAX_VCPUS 16
-#define KVM_MEMORY_SLOTS 32
-/* memory slots that does not exposed to userspace */
-#define KVM_PRIVATE_MEM_SLOTS 4
-
-#define KVM_PIO_PAGE_OFFSET 1
-#define KVM_COALESCED_MMIO_PAGE_OFFSET 2
-
-#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 KVM_GUEST_CR0_MASK \
- (X86_CR0_PG | X86_CR0_PE | X86_CR0_WP | X86_CR0_NE \
- | X86_CR0_NW | X86_CR0_CD)
-#define KVM_VM_CR0_ALWAYS_ON \
- (X86_CR0_PG | X86_CR0_PE | X86_CR0_WP | X86_CR0_NE | X86_CR0_TS \
- | X86_CR0_MP)
-#define KVM_GUEST_CR4_MASK \
- (X86_CR4_VME | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE | X86_CR4_VMXE)
-#define KVM_PMODE_VM_CR4_ALWAYS_ON (X86_CR4_PAE | X86_CR4_VMXE)
-#define KVM_RMODE_VM_CR4_ALWAYS_ON (X86_CR4_VME | X86_CR4_PAE | X86_CR4_VMXE)
-
-#define INVALID_PAGE (~(hpa_t)0)
-#define UNMAPPED_GVA (~(gpa_t)0)
-
-/* shadow tables are PAE even on non-PAE hosts */
-#define KVM_HPAGE_SHIFT 21
-#define KVM_HPAGE_SIZE (1UL << KVM_HPAGE_SHIFT)
-#define KVM_HPAGE_MASK (~(KVM_HPAGE_SIZE - 1))
-
-#define KVM_PAGES_PER_HPAGE (KVM_HPAGE_SIZE / PAGE_SIZE)
-
-#define DE_VECTOR 0
-#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 MC_VECTOR 18
-
-#define SELECTOR_TI_MASK (1 << 2)
-#define SELECTOR_RPL_MASK 0x03
-
-#define IOPL_SHIFT 12
-
-#define KVM_ALIAS_SLOTS 4
-
-#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 40
-#define KVM_NR_VAR_MTRR 8
-
-extern spinlock_t kvm_lock;
-extern struct list_head vm_list;
-
-struct kvm_vcpu;
-struct kvm;
-
-enum {
- 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
- NR_VCPU_REGS
-};
-
-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_x86_emulate.h>
-
-#define KVM_NR_MEM_OBJS 40
-
-struct kvm_guest_debug {
- int enabled;
- unsigned long bp[4];
- int singlestep;
-};
-
-/*
- * 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];
-};
-
-#define NR_PTE_CHAIN_ENTRIES 5
-
-struct kvm_pte_chain {
- u64 *parent_ptes[NR_PTE_CHAIN_ENTRIES];
- struct hlist_node link;
-};
-
-/*
- * 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 - "metaphysical" - gfn is not a real page (huge page/real mode)
- * bits 17:19 - common access permissions for all ptes in this shadow page
- */
-union kvm_mmu_page_role {
- unsigned word;
- struct {
- unsigned glevels:4;
- unsigned level:4;
- unsigned quadrant:2;
- unsigned pad_for_nice_hex_output:6;
- unsigned metaphysical:1;
- unsigned access:3;
- unsigned invalid: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;
- unsigned long slot_bitmap; /* One bit set per slot which has memory
- * in this shadow page.
- */
- int multimapped; /* More than one parent_pte? */
- int root_count; /* Currently serving as active root */
- union {
- u64 *parent_pte; /* !multimapped */
- struct hlist_head parent_ptes; /* multimapped, kvm_pte_chain */
- };
-};
-
-/*
- * 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);
- int (*page_fault)(struct kvm_vcpu *vcpu, gva_t gva, u32 err);
- void (*free)(struct kvm_vcpu *vcpu);
- gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva);
- void (*prefetch_page)(struct kvm_vcpu *vcpu,
- struct kvm_mmu_page *page);
- hpa_t root_hpa;
- int root_level;
- int shadow_root_level;
-
- u64 *pae_root;
-};
-
-struct kvm_vcpu_arch {
- u64 host_tsc;
- int interrupt_window_open;
- unsigned long irq_summary; /* bit vector: 1 per word in irq_pending */
- DECLARE_BITMAP(irq_pending, KVM_NR_INTERRUPTS);
- unsigned long regs[NR_VCPU_REGS]; /* for rsp: vcpu_load_rsp_rip() */
- unsigned long rip; /* needs vcpu_load_rsp_rip() */
-
- unsigned long cr0;
- unsigned long cr2;
- unsigned long cr3;
- unsigned long cr4;
- unsigned long cr8;
- u64 pdptrs[4]; /* pae */
- u64 shadow_efer;
- u64 apic_base;
- struct kvm_lapic *apic; /* kernel irqchip context */
- int mp_state;
- int sipi_vector;
- u64 ia32_misc_enable_msr;
- bool tpr_access_reporting;
-
- struct kvm_mmu mmu;
-
- struct kvm_mmu_memory_cache mmu_pte_chain_cache;
- struct kvm_mmu_memory_cache mmu_rmap_desc_cache;
- struct kvm_mmu_memory_cache mmu_page_cache;
- struct kvm_mmu_memory_cache mmu_page_header_cache;
-
- gfn_t last_pt_write_gfn;
- int last_pt_write_count;
- u64 *last_pte_updated;
- gfn_t last_pte_gfn;
-
- struct {
- gfn_t gfn; /* presumed gfn during guest pte update */
- pfn_t pfn; /* pfn corresponding to that gfn */
- int largepage;
- unsigned long mmu_seq;
- } update_pte;
-
- struct i387_fxsave_struct host_fx_image;
- struct i387_fxsave_struct guest_fx_image;
-
- gva_t mmio_fault_cr2;
- struct kvm_pio_request pio;
- void *pio_data;
-
- struct kvm_queued_exception {
- bool pending;
- bool has_error_code;
- u8 nr;
- u32 error_code;
- } exception;
-
- struct {
- int active;
- u8 save_iopl;
- struct kvm_save_segment {
- u16 selector;
- unsigned long base;
- u32 limit;
- u32 ar;
- } tr, es, ds, fs, gs;
- } rmode;
- 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;
-
- gpa_t time;
- struct pvclock_vcpu_time_info hv_clock;
- unsigned int hv_clock_tsc_khz;
- unsigned int time_offset;
- struct page *time_page;
-
- bool nmi_pending;
-
- u64 mtrr[0x100];
-};
-
-struct kvm_mem_alias {
- gfn_t base_gfn;
- unsigned long npages;
- gfn_t target_gfn;
-};
-
-struct kvm_arch{
- int naliases;
- struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS];
-
- unsigned int n_free_mmu_pages;
- unsigned int n_requested_mmu_pages;
- unsigned int n_alloc_mmu_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 kvm_pic *vpic;
- struct kvm_ioapic *vioapic;
- struct kvm_pit *vpit;
-
- int round_robin_prev_vcpu;
- unsigned int tss_addr;
- struct page *apic_access_page;
-
- gpa_t wall_clock;
-
- struct page *ept_identity_pagetable;
- bool ept_identity_pagetable_done;
-};
-
-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 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;
-};
-
-struct descriptor_table {
- u16 limit;
- unsigned long base;
-} __attribute__((packed));
-
-struct kvm_x86_ops {
- int (*cpu_has_kvm_support)(void); /* __init */
- int (*disabled_by_bios)(void); /* __init */
- void (*hardware_enable)(void *dummy); /* __init */
- 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);
-
- /* 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);
-
- int (*set_guest_debug)(struct kvm_vcpu *vcpu,
- struct kvm_debug_guest *dbg);
- void (*guest_debug_pre)(struct kvm_vcpu *vcpu);
- 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_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);
- void (*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 descriptor_table *dt);
- void (*set_idt)(struct kvm_vcpu *vcpu, struct descriptor_table *dt);
- void (*get_gdt)(struct kvm_vcpu *vcpu, struct descriptor_table *dt);
- void (*set_gdt)(struct kvm_vcpu *vcpu, struct descriptor_table *dt);
- unsigned long (*get_dr)(struct kvm_vcpu *vcpu, int dr);
- void (*set_dr)(struct kvm_vcpu *vcpu, int dr, unsigned long value,
- int *exception);
- void (*cache_regs)(struct kvm_vcpu *vcpu);
- void (*decache_regs)(struct kvm_vcpu *vcpu);
- unsigned long (*get_rflags)(struct kvm_vcpu *vcpu);
- void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
-
- void (*tlb_flush)(struct kvm_vcpu *vcpu);
-
- void (*run)(struct kvm_vcpu *vcpu, struct kvm_run *run);
- int (*handle_exit)(struct kvm_run *run, struct kvm_vcpu *vcpu);
- void (*skip_emulated_instruction)(struct kvm_vcpu *vcpu);
- void (*patch_hypercall)(struct kvm_vcpu *vcpu,
- unsigned char *hypercall_addr);
- int (*get_irq)(struct kvm_vcpu *vcpu);
- void (*set_irq)(struct kvm_vcpu *vcpu, int vec);
- void (*queue_exception)(struct kvm_vcpu *vcpu, unsigned nr,
- bool has_error_code, u32 error_code);
- bool (*exception_injected)(struct kvm_vcpu *vcpu);
- void (*inject_pending_irq)(struct kvm_vcpu *vcpu);
- void (*inject_pending_vectors)(struct kvm_vcpu *vcpu,
- struct kvm_run *run);
-
- int (*set_tss_addr)(struct kvm *kvm, unsigned int addr);
- int (*get_tdp_level)(void);
-};
-
-extern struct kvm_x86_ops *kvm_x86_ops;
-
-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_nonpresent_ptes(u64 trap_pte, u64 notrap_pte);
-void kvm_mmu_set_base_ptes(u64 base_pte);
-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);
-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, unsigned long cr3);
-
-int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa,
- const void *val, int bytes);
-int kvm_pv_mmu_op(struct kvm_vcpu *vcpu, unsigned long bytes,
- gpa_t addr, unsigned long *ret);
-
-extern bool tdp_enabled;
-
-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)
-int emulate_instruction(struct kvm_vcpu *vcpu, struct kvm_run *run,
- unsigned long cr2, u16 error_code, int emulation_type);
-void kvm_report_emulation_failure(struct kvm_vcpu *cvpu, const char *context);
-void realmode_lgdt(struct kvm_vcpu *vcpu, u16 size, unsigned long address);
-void realmode_lidt(struct kvm_vcpu *vcpu, u16 size, unsigned long address);
-void realmode_lmsw(struct kvm_vcpu *vcpu, unsigned long msw,
- unsigned long *rflags);
-
-unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int cr);
-void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long value,
- unsigned long *rflags);
-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_emulate_pio(struct kvm_vcpu *vcpu, struct kvm_run *run, int in,
- int size, unsigned port);
-int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, struct kvm_run *run, int in,
- int size, unsigned long count, int down,
- gva_t address, int rep, unsigned port);
-void kvm_emulate_cpuid(struct kvm_vcpu *vcpu);
-int kvm_emulate_halt(struct kvm_vcpu *vcpu);
-int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address);
-int emulate_clts(struct kvm_vcpu *vcpu);
-int emulator_get_dr(struct x86_emulate_ctxt *ctxt, int dr,
- unsigned long *dest);
-int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr,
- unsigned long value);
-
-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 type_bits, int seg);
-
-int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason);
-
-void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
-void kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3);
-void kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
-void kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8);
-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_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata);
-int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data);
-
-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_inject_page_fault(struct kvm_vcpu *vcpu, unsigned long cr2,
- u32 error_code);
-
-void kvm_inject_nmi(struct kvm_vcpu *vcpu);
-
-void fx_init(struct kvm_vcpu *vcpu);
-
-int emulator_read_std(unsigned long addr,
- void *val,
- unsigned int bytes,
- struct kvm_vcpu *vcpu);
-int emulator_write_emulated(unsigned long addr,
- const void *val,
- unsigned int bytes,
- struct kvm_vcpu *vcpu);
-
-unsigned long segment_base(u16 selector);
-
-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_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);
-
-int kvm_emulate_hypercall(struct kvm_vcpu *vcpu);
-
-int kvm_fix_hypercall(struct kvm_vcpu *vcpu);
-
-int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code);
-
-void kvm_enable_tdp(void);
-void kvm_disable_tdp(void);
-
-int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3);
-int complete_pio(struct kvm_vcpu *vcpu);
-
-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_fs(void)
-{
- u16 seg;
- asm("mov %%fs, %0" : "=g"(seg));
- return seg;
-}
-
-static inline u16 kvm_read_gs(void)
-{
- u16 seg;
- asm("mov %%gs, %0" : "=g"(seg));
- return seg;
-}
-
-static inline u16 kvm_read_ldt(void)
-{
- u16 ldt;
- asm("sldt %0" : "=g"(ldt));
- return ldt;
-}
-
-static inline void kvm_load_fs(u16 sel)
-{
- asm("mov %0, %%fs" : : "rm"(sel));
-}
-
-static inline void kvm_load_gs(u16 sel)
-{
- asm("mov %0, %%gs" : : "rm"(sel));
-}
-
-static inline void kvm_load_ldt(u16 sel)
-{
- asm("lldt %0" : : "rm"(sel));
-}
-
-static inline void kvm_get_idt(struct descriptor_table *table)
-{
- asm("sidt %0" : "=m"(*table));
-}
-
-static inline void kvm_get_gdt(struct descriptor_table *table)
-{
- asm("sgdt %0" : "=m"(*table));
-}
-
-static inline unsigned long kvm_read_tr_base(void)
-{
- u16 tr;
- asm("str %0" : "=g"(tr));
- return segment_base(tr);
-}
-
-#ifdef CONFIG_X86_64
-static inline unsigned long read_msr(unsigned long msr)
-{
- u64 value;
-
- rdmsrl(msr, value);
- return value;
-}
-#endif
-
-static inline void kvm_fx_save(struct i387_fxsave_struct *image)
-{
- asm("fxsave (%0)":: "r" (image));
-}
-
-static inline void kvm_fx_restore(struct i387_fxsave_struct *image)
-{
- asm("fxrstor (%0)":: "r" (image));
-}
-
-static inline void kvm_fx_finit(void)
-{
- asm("finit");
-}
-
-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 ASM_VMX_VMCLEAR_RAX ".byte 0x66, 0x0f, 0xc7, 0x30"
-#define ASM_VMX_VMLAUNCH ".byte 0x0f, 0x01, 0xc2"
-#define ASM_VMX_VMRESUME ".byte 0x0f, 0x01, 0xc3"
-#define ASM_VMX_VMPTRLD_RAX ".byte 0x0f, 0xc7, 0x30"
-#define ASM_VMX_VMREAD_RDX_RAX ".byte 0x0f, 0x78, 0xd0"
-#define ASM_VMX_VMWRITE_RAX_RDX ".byte 0x0f, 0x79, 0xd0"
-#define ASM_VMX_VMWRITE_RSP_RDX ".byte 0x0f, 0x79, 0xd4"
-#define ASM_VMX_VMXOFF ".byte 0x0f, 0x01, 0xc4"
-#define ASM_VMX_VMXON_RAX ".byte 0xf3, 0x0f, 0xc7, 0x30"
-#define ASM_VMX_INVEPT ".byte 0x66, 0x0f, 0x38, 0x80, 0x08"
-#define ASM_VMX_INVVPID ".byte 0x66, 0x0f, 0x38, 0x81, 0x08"
-
-#define MSR_IA32_TIME_STAMP_COUNTER 0x010
-
-#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 KVMTRACE_5D(evt, vcpu, d1, d2, d3, d4, d5, name) \
- trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
- vcpu, 5, d1, d2, d3, d4, d5)
-#define KVMTRACE_4D(evt, vcpu, d1, d2, d3, d4, name) \
- trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
- vcpu, 4, d1, d2, d3, d4, 0)
-#define KVMTRACE_3D(evt, vcpu, d1, d2, d3, name) \
- trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
- vcpu, 3, d1, d2, d3, 0, 0)
-#define KVMTRACE_2D(evt, vcpu, d1, d2, name) \
- trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
- vcpu, 2, d1, d2, 0, 0, 0)
-#define KVMTRACE_1D(evt, vcpu, d1, name) \
- trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
- vcpu, 1, d1, 0, 0, 0, 0)
-#define KVMTRACE_0D(evt, vcpu, name) \
- trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
- vcpu, 0, 0, 0, 0, 0, 0)
-
-#ifdef CONFIG_64BIT
-# define KVM_EX_ENTRY ".quad"
-# define KVM_EX_PUSH "pushq"
-#else
-# define KVM_EX_ENTRY ".long"
-# define KVM_EX_PUSH "pushl"
-#endif
-
-/*
- * 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_handle_fault_on_reboot(void);
-
-#define __kvm_handle_fault_on_reboot(insn) \
- "666: " insn "\n\t" \
- ".pushsection .fixup, \"ax\" \n" \
- "667: \n\t" \
- KVM_EX_PUSH " $666b \n\t" \
- "jmp kvm_handle_fault_on_reboot \n\t" \
- ".popsection \n\t" \
- ".pushsection __ex_table, \"a\" \n\t" \
- KVM_EX_ENTRY " 666b, 667b \n\t" \
- ".popsection"
-
-#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);
-
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-12 20:08:35 +0000