diff options
Diffstat (limited to 'drivers/kvm/kvm.h')
| -rw-r--r-- | drivers/kvm/kvm.h | 100 |
1 files changed, 68 insertions, 32 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index 0d122bf889db..41634fde8e13 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -51,16 +51,19 @@ #define UNMAPPED_GVA (~(gpa_t)0) #define KVM_MAX_VCPUS 1 +#define KVM_ALIAS_SLOTS 4 #define KVM_MEMORY_SLOTS 4 #define KVM_NUM_MMU_PAGES 256 #define KVM_MIN_FREE_MMU_PAGES 5 #define KVM_REFILL_PAGES 25 +#define KVM_MAX_CPUID_ENTRIES 40 #define FX_IMAGE_SIZE 512 #define FX_IMAGE_ALIGN 16 #define FX_BUF_SIZE (2 * FX_IMAGE_SIZE + FX_IMAGE_ALIGN) #define DE_VECTOR 0 +#define NM_VECTOR 7 #define DF_VECTOR 8 #define TS_VECTOR 10 #define NP_VECTOR 11 @@ -73,6 +76,8 @@ #define IOPL_SHIFT 12 +#define KVM_PIO_PAGE_OFFSET 1 + /* * Address types: * @@ -106,6 +111,7 @@ struct kvm_pte_chain { * 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 17:18 - "access" - the user and writable bits of a huge page pde */ union kvm_mmu_page_role { unsigned word; @@ -115,6 +121,7 @@ union kvm_mmu_page_role { unsigned quadrant : 2; unsigned pad_for_nice_hex_output : 6; unsigned metaphysical : 1; + unsigned hugepage_access : 2; }; }; @@ -133,7 +140,6 @@ struct kvm_mmu_page { unsigned long slot_bitmap; /* One bit set per slot which has memory * in this shadow page. */ - int global; /* Set if all ptes in this page are global */ int multimapped; /* More than one parent_pte? */ int root_count; /* Currently serving as active root */ union { @@ -219,6 +225,34 @@ enum { VCPU_SREG_LDTR, }; +struct kvm_pio_request { + unsigned long count; + int cur_count; + struct page *guest_pages[2]; + unsigned guest_page_offset; + int in; + int size; + int string; + int down; + int rep; +}; + +struct kvm_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 halt_exits; + u32 request_irq_exits; + u32 irq_exits; +}; + struct kvm_vcpu { struct kvm *kvm; union { @@ -228,6 +262,8 @@ struct kvm_vcpu { struct mutex mutex; int cpu; int launched; + u64 host_tsc; + struct kvm_run *run; int interrupt_window_open; unsigned long irq_summary; /* bit vector: 1 per word in irq_pending */ #define NR_IRQ_WORDS KVM_IRQ_BITMAP_SIZE(unsigned long) @@ -266,6 +302,7 @@ struct kvm_vcpu { char fx_buf[FX_BUF_SIZE]; char *host_fx_image; char *guest_fx_image; + int fpu_active; int mmio_needed; int mmio_read_completed; @@ -273,6 +310,14 @@ struct kvm_vcpu { int mmio_size; unsigned char mmio_data[8]; gpa_t mmio_phys_addr; + gva_t mmio_fault_cr2; + struct kvm_pio_request pio; + void *pio_data; + + int sigset_active; + sigset_t sigset; + + struct kvm_stat stat; struct { int active; @@ -284,6 +329,15 @@ struct kvm_vcpu { u32 ar; } tr, es, ds, fs, gs; } rmode; + + int cpuid_nent; + struct kvm_cpuid_entry cpuid_entries[KVM_MAX_CPUID_ENTRIES]; +}; + +struct kvm_mem_alias { + gfn_t base_gfn; + unsigned long npages; + gfn_t target_gfn; }; struct kvm_memory_slot { @@ -296,6 +350,8 @@ struct kvm_memory_slot { struct kvm { spinlock_t lock; /* protects everything except vcpus */ + int naliases; + struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS]; int nmemslots; struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS]; /* @@ -312,22 +368,6 @@ struct kvm { struct file *filp; }; -struct kvm_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 halt_exits; - u32 request_irq_exits; - u32 irq_exits; -}; - struct descriptor_table { u16 limit; unsigned long base; @@ -358,10 +398,8 @@ struct kvm_arch_ops { 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_cr4_guest_bits)(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_cr0_no_modeswitch)(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); @@ -391,7 +429,6 @@ struct kvm_arch_ops { unsigned char *hypercall_addr); }; -extern struct kvm_stat kvm_stat; extern struct kvm_arch_ops *kvm_arch_ops; #define kvm_printf(kvm, fmt ...) printk(KERN_DEBUG fmt) @@ -400,28 +437,29 @@ extern struct kvm_arch_ops *kvm_arch_ops; int kvm_init_arch(struct kvm_arch_ops *ops, struct module *module); void kvm_exit_arch(void); +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); int kvm_mmu_reset_context(struct kvm_vcpu *vcpu); void kvm_mmu_slot_remove_write_access(struct kvm_vcpu *vcpu, int slot); +void kvm_mmu_zap_all(struct kvm_vcpu *vcpu); hpa_t gpa_to_hpa(struct kvm_vcpu *vcpu, gpa_t gpa); #define HPA_MSB ((sizeof(hpa_t) * 8) - 1) #define HPA_ERR_MASK ((hpa_t)1 << HPA_MSB) static inline int is_error_hpa(hpa_t hpa) { return hpa >> HPA_MSB; } hpa_t gva_to_hpa(struct kvm_vcpu *vcpu, gva_t gva); +struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva); void kvm_emulator_want_group7_invlpg(void); extern hpa_t bad_page_address; -static inline struct page *gfn_to_page(struct kvm_memory_slot *slot, gfn_t gfn) -{ - return slot->phys_mem[gfn - slot->base_gfn]; -} - +struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn); struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn); void mark_page_dirty(struct kvm *kvm, gfn_t gfn); @@ -444,6 +482,10 @@ void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long value, struct x86_emulate_ctxt; +int kvm_setup_pio(struct kvm_vcpu *vcpu, struct kvm_run *run, int in, + int size, unsigned long count, int string, int down, + gva_t address, int rep, unsigned port); +void kvm_emulate_cpuid(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, @@ -493,12 +535,6 @@ static inline int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, return vcpu->mmu.page_fault(vcpu, gva, error_code); } -static inline struct page *_gfn_to_page(struct kvm *kvm, gfn_t gfn) -{ - struct kvm_memory_slot *slot = gfn_to_memslot(kvm, gfn); - return (slot) ? slot->phys_mem[gfn - slot->base_gfn] : NULL; -} - static inline int is_long_mode(struct kvm_vcpu *vcpu) { #ifdef CONFIG_X86_64 |