X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fkvm%2Fkvm.h;h=0d3555bf533360f0711d491b4f13aff9c0db7138;hb=80a8119ca3f021037b8513d39dbb0ffd1af86b20;hp=f7181a407be184a0d277f8338b1ebfba6261e37e;hpb=e00c8cf29b9798eb9918469b0cce1766e0ae40d7;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index f7181a4..0d3555b 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -20,27 +20,13 @@ #include #include -#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) +#include "types.h" #define KVM_MAX_VCPUS 4 #define KVM_ALIAS_SLOTS 4 #define KVM_MEMORY_SLOTS 8 +/* memory slots that does not exposed to userspace */ +#define KVM_PRIVATE_MEM_SLOTS 4 #define KVM_PERMILLE_MMU_PAGES 20 #define KVM_MIN_ALLOC_MMU_PAGES 64 #define KVM_NUM_MMU_PAGES 1024 @@ -48,21 +34,6 @@ #define KVM_REFILL_PAGES 25 #define KVM_MAX_CPUID_ENTRIES 40 -#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 SELECTOR_TI_MASK (1 << 2) -#define SELECTOR_RPL_MASK 0x03 - -#define IOPL_SHIFT 12 - #define KVM_PIO_PAGE_OFFSET 1 /* @@ -70,25 +41,6 @@ */ #define KVM_REQ_TLB_FLUSH 0 -/* - * Address types: - * - * gva - guest virtual address - * gpa - guest physical address - * gfn - guest frame number - * hva - host virtual address - * hpa - host physical address - * hfn - host frame number - */ - -typedef unsigned long gva_t; -typedef u64 gpa_t; -typedef unsigned long gfn_t; - -typedef unsigned long hva_t; -typedef u64 hpa_t; -typedef unsigned long hfn_t; - #define NR_PTE_CHAIN_ENTRIES 5 struct kvm_pte_chain { @@ -166,56 +118,21 @@ struct kvm_mmu { #define KVM_NR_MEM_OBJS 40 +/* + * 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]; }; -/* - * 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_guest_debug { int enabled; unsigned long bp[4]; int singlestep; }; -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_CS, - VCPU_SREG_DS, - VCPU_SREG_ES, - VCPU_SREG_FS, - VCPU_SREG_GS, - VCPU_SREG_SS, - VCPU_SREG_TR, - VCPU_SREG_LDTR, -}; - -#include "x86_emulate.h" - struct kvm_pio_request { unsigned long count; int cur_count; @@ -229,7 +146,7 @@ struct kvm_pio_request { int rep; }; -struct kvm_stat { +struct kvm_vcpu_stat { u32 pf_fixed; u32 pf_guest; u32 tlb_flush; @@ -244,52 +161,13 @@ struct kvm_stat { u32 halt_wakeup; u32 request_irq_exits; u32 irq_exits; - u32 light_exits; + u32 host_state_reload; u32 efer_reload; + u32 fpu_reload; + u32 insn_emulation; + u32 insn_emulation_fail; }; -struct kvm_io_device { - void (*read)(struct kvm_io_device *this, - gpa_t addr, - int len, - void *val); - void (*write)(struct kvm_io_device *this, - gpa_t addr, - int len, - const void *val); - int (*in_range)(struct kvm_io_device *this, gpa_t addr); - void (*destructor)(struct kvm_io_device *this); - - void *private; -}; - -static inline void kvm_iodevice_read(struct kvm_io_device *dev, - gpa_t addr, - int len, - void *val) -{ - dev->read(dev, addr, len, val); -} - -static inline void kvm_iodevice_write(struct kvm_io_device *dev, - gpa_t addr, - int len, - const void *val) -{ - dev->write(dev, addr, len, val); -} - -static inline int kvm_iodevice_inrange(struct kvm_io_device *dev, gpa_t addr) -{ - return dev->in_range(dev, addr); -} - -static inline void kvm_iodevice_destructor(struct kvm_io_device *dev) -{ - if (dev->destructor) - dev->destructor(dev); -} - /* * It would be nice to use something smarter than a linear search, TBD... * Thankfully we dont expect many devices to register (famous last words :), @@ -337,7 +215,7 @@ void kvm_io_bus_register_dev(struct kvm_io_bus *bus, wait_queue_head_t wq; \ int sigset_active; \ sigset_t sigset; \ - struct kvm_stat stat; \ + struct kvm_vcpu_stat stat; \ KVM_VCPU_MMIO struct kvm_mem_alias { @@ -353,14 +231,27 @@ struct kvm_memory_slot { unsigned long *rmap; unsigned long *dirty_bitmap; unsigned long userspace_addr; + int user_alloc; +}; + +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 remote_tlb_flush; }; struct kvm { struct mutex lock; /* protects everything except vcpus */ + struct mm_struct *mm; /* userspace tied to this vm */ int naliases; struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS]; int nmemslots; - struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS]; + struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS + + KVM_PRIVATE_MEM_SLOTS]; /* * Hash table of struct kvm_mmu_page. */ @@ -370,7 +261,6 @@ struct kvm { unsigned int n_alloc_mmu_pages; struct hlist_head mmu_page_hash[KVM_NUM_MMU_PAGES]; struct kvm_vcpu *vcpus[KVM_MAX_VCPUS]; - unsigned long rmap_overflow; struct list_head vm_list; struct file *filp; struct kvm_io_bus mmio_bus; @@ -378,6 +268,9 @@ struct kvm { struct kvm_pic *vpic; struct kvm_ioapic *vioapic; int round_robin_prev_vcpu; + unsigned int tss_addr; + struct page *apic_access_page; + struct kvm_vm_stat stat; }; static inline struct kvm_pic *pic_irqchip(struct kvm *kvm) @@ -392,81 +285,9 @@ static inline struct kvm_ioapic *ioapic_irqchip(struct kvm *kvm) static inline int irqchip_in_kernel(struct kvm *kvm) { - return pic_irqchip(kvm) != 0; + return pic_irqchip(kvm) != NULL; } -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 */ - - /* 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 (*vcpu_decache)(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); - 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 (*inject_page_fault)(struct kvm_vcpu *vcpu, - unsigned long addr, u32 err_code); - - void (*inject_gp)(struct kvm_vcpu *vcpu, unsigned err_code); - - 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 (*inject_pending_irq)(struct kvm_vcpu *vcpu); - void (*inject_pending_vectors)(struct kvm_vcpu *vcpu, - struct kvm_run *run); -}; - -extern struct kvm_x86_ops *kvm_x86_ops; - /* The guest did something we don't support. */ #define pr_unimpl(vcpu, fmt, ...) \ do { \ @@ -484,37 +305,36 @@ void kvm_vcpu_uninit(struct kvm_vcpu *vcpu); void vcpu_load(struct kvm_vcpu *vcpu); void vcpu_put(struct kvm_vcpu *vcpu); +void decache_vcpus_on_cpu(int cpu); -int kvm_init_x86(struct kvm_x86_ops *ops, unsigned int vcpu_size, - struct module *module); -void kvm_exit_x86(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); -void kvm_mmu_set_nonpresent_ptes(u64 trap_pte, u64 notrap_pte); -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); -void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages); +int kvm_init(void *opaque, unsigned int vcpu_size, + struct module *module); +void kvm_exit(void); -hpa_t gpa_to_hpa(struct kvm *kvm, 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); extern struct page *bad_page; int is_error_page(struct page *page); +int kvm_is_error_hva(unsigned long addr); +int kvm_set_memory_region(struct kvm *kvm, + struct kvm_userspace_memory_region *mem, + int user_alloc); +int __kvm_set_memory_region(struct kvm *kvm, + struct kvm_userspace_memory_region *mem, + int user_alloc); +int kvm_arch_set_memory_region(struct kvm *kvm, + struct kvm_userspace_memory_region *mem, + struct kvm_memory_slot old, + int user_alloc); gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn); struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn); -void kvm_release_page(struct page *page); +void kvm_release_page_clean(struct page *page); +void kvm_release_page_dirty(struct page *page); int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset, int len); int kvm_read_guest(struct kvm *kvm, gpa_t gpa, void *data, unsigned long len); @@ -525,84 +345,15 @@ int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data, int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len); int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len); struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn); +int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn); void mark_page_dirty(struct kvm *kvm, gfn_t gfn); -enum emulation_result { - EMULATE_DONE, /* no further processing */ - EMULATE_DO_MMIO, /* kvm_run filled with mmio request */ - EMULATE_FAIL, /* can't emulate this instruction */ -}; - -int emulate_instruction(struct kvm_vcpu *vcpu, struct kvm_run *run, - unsigned long cr2, u16 error_code, int no_decode); -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); -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 set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0); -void set_cr3(struct kvm_vcpu *vcpu, unsigned long cr0); -void set_cr4(struct kvm_vcpu *vcpu, unsigned long cr0); -void set_cr8(struct kvm_vcpu *vcpu, unsigned long cr0); -unsigned long get_cr8(struct kvm_vcpu *vcpu); -void 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 fx_init(struct kvm_vcpu *vcpu); - +void kvm_vcpu_block(struct kvm_vcpu *vcpu); void kvm_resched(struct kvm_vcpu *vcpu); void kvm_load_guest_fpu(struct kvm_vcpu *vcpu); void kvm_put_guest_fpu(struct kvm_vcpu *vcpu); void kvm_flush_remote_tlbs(struct kvm *kvm); -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_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); - long kvm_arch_dev_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg); long kvm_arch_vcpu_ioctl(struct file *filp, @@ -610,133 +361,99 @@ long kvm_arch_vcpu_ioctl(struct file *filp, void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu); void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu); -__init void kvm_arch_init(void); +int kvm_dev_ioctl_check_extension(long ext); -static inline void kvm_guest_enter(void) -{ - account_system_vtime(current); - current->flags |= PF_VCPU; -} +int kvm_get_dirty_log(struct kvm *kvm, + struct kvm_dirty_log *log, int *is_dirty); +int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, + struct kvm_dirty_log *log); -static inline void kvm_guest_exit(void) -{ - account_system_vtime(current); - current->flags &= ~PF_VCPU; -} +int kvm_vm_ioctl_set_memory_region(struct kvm *kvm, + struct + kvm_userspace_memory_region *mem, + int user_alloc); +long kvm_arch_vm_ioctl(struct file *filp, + unsigned int ioctl, unsigned long arg); +void kvm_arch_destroy_vm(struct kvm *kvm); -static inline int memslot_id(struct kvm *kvm, struct kvm_memory_slot *slot) -{ - return slot - kvm->memslots; -} +int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu); +int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu); -static inline struct kvm_mmu_page *page_header(hpa_t shadow_page) -{ - struct page *page = pfn_to_page(shadow_page >> PAGE_SHIFT); +int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, + struct kvm_translation *tr); - return (struct kvm_mmu_page *)page_private(page); -} +int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs); +int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs); +int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, + struct kvm_sregs *sregs); +int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, + struct kvm_sregs *sregs); +int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu, + struct kvm_debug_guest *dbg); +int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run); -static inline u16 read_fs(void) -{ - u16 seg; - asm("mov %%fs, %0" : "=g"(seg)); - return seg; -} +int kvm_arch_init(void *opaque); +void kvm_arch_exit(void); -static inline u16 read_gs(void) -{ - u16 seg; - asm("mov %%gs, %0" : "=g"(seg)); - return seg; -} +int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu); +void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu); -static inline u16 read_ldt(void) -{ - u16 ldt; - asm("sldt %0" : "=g"(ldt)); - return ldt; -} - -static inline void load_fs(u16 sel) -{ - asm("mov %0, %%fs" : : "rm"(sel)); -} - -static inline void load_gs(u16 sel) -{ - asm("mov %0, %%gs" : : "rm"(sel)); -} +void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu); +void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu); +void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu); +struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id); +int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu); +void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu); -#ifndef load_ldt -static inline void load_ldt(u16 sel) -{ - asm("lldt %0" : : "rm"(sel)); -} -#endif +int kvm_arch_vcpu_reset(struct kvm_vcpu *vcpu); +void kvm_arch_hardware_enable(void *garbage); +void kvm_arch_hardware_disable(void *garbage); +int kvm_arch_hardware_setup(void); +void kvm_arch_hardware_unsetup(void); +void kvm_arch_check_processor_compat(void *rtn); -static inline void get_idt(struct descriptor_table *table) -{ - asm("sidt %0" : "=m"(*table)); -} +void kvm_free_physmem(struct kvm *kvm); -static inline void get_gdt(struct descriptor_table *table) -{ - asm("sgdt %0" : "=m"(*table)); -} +struct kvm *kvm_arch_create_vm(void); +void kvm_arch_destroy_vm(struct kvm *kvm); -static inline unsigned long read_tr_base(void) +static inline void kvm_guest_enter(void) { - u16 tr; - asm("str %0" : "=g"(tr)); - return segment_base(tr); + account_system_vtime(current); + current->flags |= PF_VCPU; } -#ifdef CONFIG_X86_64 -static inline unsigned long read_msr(unsigned long msr) +static inline void kvm_guest_exit(void) { - u64 value; - - rdmsrl(msr, value); - return value; + account_system_vtime(current); + current->flags &= ~PF_VCPU; } -#endif -static inline void fx_save(struct i387_fxsave_struct *image) +static inline int memslot_id(struct kvm *kvm, struct kvm_memory_slot *slot) { - asm("fxsave (%0)":: "r" (image)); + return slot - kvm->memslots; } -static inline void fx_restore(struct i387_fxsave_struct *image) +static inline gpa_t gfn_to_gpa(gfn_t gfn) { - asm("fxrstor (%0)":: "r" (image)); + return (gpa_t)gfn << PAGE_SHIFT; } -static inline void fpu_init(void) -{ - asm("finit"); -} +enum kvm_stat_kind { + KVM_STAT_VM, + KVM_STAT_VCPU, +}; -static inline u32 get_rdx_init_val(void) -{ - return 0x600; /* P6 family */ -} +struct kvm_stats_debugfs_item { + const char *name; + int offset; + enum kvm_stat_kind kind; + struct dentry *dentry; +}; +extern struct kvm_stats_debugfs_item debugfs_entries[]; -#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 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) +#if defined(CONFIG_X86) +#include "x86.h" +#endif #endif