*/
#include <linux/types.h>
+#include <linux/hardirq.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/spinlock.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/mm.h>
+#include <linux/preempt.h>
#include <asm/signal.h>
#include <linux/kvm.h>
#define KVM_MAX_VCPUS 4
#define KVM_ALIAS_SLOTS 4
-#define KVM_MEMORY_SLOTS 4
+#define KVM_MEMORY_SLOTS 8
+#define KVM_PERMILLE_MMU_PAGES 20
+#define KVM_MIN_ALLOC_MMU_PAGES 64
#define KVM_NUM_MMU_PAGES 1024
#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 UD_VECTOR 6
#define NM_VECTOR 7
#define DF_VECTOR 8
#define TS_VECTOR 10
/*
* vcpu->requests bit members
*/
-#define KVM_TLB_FLUSH 0
+#define KVM_REQ_TLB_FLUSH 0
/*
* Address types:
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.
*/
};
struct kvm_vcpu;
+extern struct kmem_cache *kvm_vcpu_cache;
/*
* x86 supports 3 paging modes (4-level 64-bit, 3-level 64-bit, and 2-level
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;
};
-#define KVM_NR_MEM_OBJS 20
+#define KVM_NR_MEM_OBJS 40
struct kvm_mmu_memory_cache {
int nobjs;
VCPU_SREG_LDTR,
};
+#include "x86_emulate.h"
+
struct kvm_pio_request {
unsigned long count;
int cur_count;
u32 signal_exits;
u32 irq_window_exits;
u32 halt_exits;
+ u32 halt_wakeup;
u32 request_irq_exits;
u32 irq_exits;
u32 light_exits;
struct kvm_vcpu {
struct kvm *kvm;
+ struct preempt_notifier preempt_notifier;
int vcpu_id;
struct mutex mutex;
int cpu;
unsigned long cr0;
unsigned long cr2;
unsigned long cr3;
- gpa_t para_state_gpa;
- struct page *para_state_page;
- gpa_t hypercall_gpa;
unsigned long cr4;
unsigned long cr8;
u64 pdptrs[4]; /* pae */
u64 shadow_efer;
u64 apic_base;
+ struct kvm_lapic *apic; /* kernel irqchip context */
+#define VCPU_MP_STATE_RUNNABLE 0
+#define VCPU_MP_STATE_UNINITIALIZED 1
+#define VCPU_MP_STATE_INIT_RECEIVED 2
+#define VCPU_MP_STATE_SIPI_RECEIVED 3
+#define VCPU_MP_STATE_HALTED 4
+ int mp_state;
+ int sipi_vector;
u64 ia32_misc_enable_msr;
struct kvm_mmu mmu;
gfn_t last_pt_write_gfn;
int last_pt_write_count;
+ u64 *last_pte_updated;
struct kvm_guest_debug guest_debug;
- char fx_buf[FX_BUF_SIZE];
- char *host_fx_image;
- char *guest_fx_image;
+ struct i387_fxsave_struct host_fx_image;
+ struct i387_fxsave_struct guest_fx_image;
int fpu_active;
int guest_fpu_loaded;
gva_t mmio_fault_cr2;
struct kvm_pio_request pio;
void *pio_data;
+ wait_queue_head_t wq;
int sigset_active;
sigset_t sigset;
int cpuid_nent;
struct kvm_cpuid_entry cpuid_entries[KVM_MAX_CPUID_ENTRIES];
+
+ /* emulate context */
+
+ struct x86_emulate_ctxt emulate_ctxt;
};
struct kvm_mem_alias {
gfn_t base_gfn;
unsigned long npages;
unsigned long flags;
- struct page **phys_mem;
+ unsigned long *rmap;
unsigned long *dirty_bitmap;
+ unsigned long userspace_addr;
};
struct kvm {
- spinlock_t lock; /* protects everything except vcpus */
+ struct mutex lock; /* protects everything except vcpus */
int naliases;
struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS];
int nmemslots;
* Hash table of struct kvm_mmu_page.
*/
struct list_head active_mmu_pages;
- int n_free_mmu_pages;
+ 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];
struct kvm_vcpu *vcpus[KVM_MAX_VCPUS];
- int memory_config_version;
- int busy;
unsigned long rmap_overflow;
struct list_head vm_list;
struct file *filp;
struct kvm_io_bus mmio_bus;
struct kvm_io_bus pio_bus;
+ struct kvm_pic *vpic;
+ struct kvm_ioapic *vioapic;
+ int round_robin_prev_vcpu;
};
+static inline struct kvm_pic *pic_irqchip(struct kvm *kvm)
+{
+ return kvm->vpic;
+}
+
+static inline struct kvm_ioapic *ioapic_irqchip(struct kvm *kvm)
+{
+ return kvm->vioapic;
+}
+
+static inline int irqchip_in_kernel(struct kvm *kvm)
+{
+ return pic_irqchip(kvm) != 0;
+}
+
struct descriptor_table {
u16 limit;
unsigned long base;
} __attribute__((packed));
-struct kvm_arch_ops {
+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);
+ void (*vcpu_reset)(struct kvm_vcpu *vcpu);
- void (*vcpu_load)(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);
unsigned long (*get_rflags)(struct kvm_vcpu *vcpu);
void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
- void (*invlpg)(struct kvm_vcpu *vcpu, gva_t addr);
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);
- int (*run)(struct kvm_vcpu *vcpu, struct kvm_run *run);
+ 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_arch_ops *kvm_arch_ops;
+extern struct kvm_x86_ops *kvm_x86_ops;
+
+/* The guest did something we don't support. */
+#define pr_unimpl(vcpu, fmt, ...) \
+ do { \
+ if (printk_ratelimit()) \
+ printk(KERN_ERR "kvm: %i: cpu%i " fmt, \
+ current->tgid, (vcpu)->vcpu_id , ## __VA_ARGS__); \
+ } while (0)
#define kvm_printf(kvm, fmt ...) printk(KERN_DEBUG fmt)
#define vcpu_printf(vcpu, fmt...) kvm_printf(vcpu->kvm, fmt)
int kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id);
void kvm_vcpu_uninit(struct kvm_vcpu *vcpu);
-int kvm_init_arch(struct kvm_arch_ops *ops, struct module *module);
-void kvm_exit_arch(void);
+void vcpu_load(struct kvm_vcpu *vcpu);
+void vcpu_put(struct kvm_vcpu *vcpu);
+
+
+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);
-hpa_t gpa_to_hpa(struct kvm_vcpu *vcpu, gpa_t gpa);
+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);
-void kvm_emulator_want_group7_invlpg(void);
-
-extern hpa_t bad_page_address;
+extern struct page *bad_page;
+int is_error_page(struct page *page);
+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);
+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);
+int kvm_write_guest_page(struct kvm *kvm, gfn_t gfn, const void *data,
+ int offset, int len);
+int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data,
+ unsigned long len);
+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);
void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
};
int emulate_instruction(struct kvm_vcpu *vcpu, struct kvm_run *run,
- unsigned long cr2, u16 error_code);
+ 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,
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);
+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,
+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_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 kvm_put_guest_fpu(struct kvm_vcpu *vcpu);
void kvm_flush_remote_tlbs(struct kvm *kvm);
-int kvm_read_guest(struct kvm_vcpu *vcpu,
- gva_t addr,
- unsigned long size,
- void *dest);
-
-int kvm_write_guest(struct kvm_vcpu *vcpu,
- gva_t addr,
- unsigned long size,
- void *data);
+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);
int kvm_mmu_load(struct kvm_vcpu *vcpu);
void kvm_mmu_unload(struct kvm_vcpu *vcpu);
-int kvm_hypercall(struct kvm_vcpu *vcpu, struct kvm_run *run);
+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,
+ unsigned int ioctl, unsigned long arg);
+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);
+
+static inline void kvm_guest_enter(void)
+{
+ account_system_vtime(current);
+ current->flags |= PF_VCPU;
+}
+
+static inline void kvm_guest_exit(void)
+{
+ account_system_vtime(current);
+ current->flags &= ~PF_VCPU;
+}
static inline int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva,
u32 error_code)
static inline u16 read_fs(void)
{
u16 seg;
- asm ("mov %%fs, %0" : "=g"(seg));
+ asm("mov %%fs, %0" : "=g"(seg));
return seg;
}
static inline u16 read_gs(void)
{
u16 seg;
- asm ("mov %%gs, %0" : "=g"(seg));
+ asm("mov %%gs, %0" : "=g"(seg));
return seg;
}
static inline u16 read_ldt(void)
{
u16 ldt;
- asm ("sldt %0" : "=g"(ldt));
+ asm("sldt %0" : "=g"(ldt));
return ldt;
}
static inline void load_fs(u16 sel)
{
- asm ("mov %0, %%fs" : : "rm"(sel));
+ asm("mov %0, %%fs" : : "rm"(sel));
}
static inline void load_gs(u16 sel)
{
- asm ("mov %0, %%gs" : : "rm"(sel));
+ asm("mov %0, %%gs" : : "rm"(sel));
}
#ifndef load_ldt
static inline void load_ldt(u16 sel)
{
- asm ("lldt %0" : : "rm"(sel));
+ asm("lldt %0" : : "rm"(sel));
}
#endif
static inline void get_idt(struct descriptor_table *table)
{
- asm ("sidt %0" : "=m"(*table));
+ asm("sidt %0" : "=m"(*table));
}
static inline void get_gdt(struct descriptor_table *table)
{
- asm ("sgdt %0" : "=m"(*table));
+ asm("sgdt %0" : "=m"(*table));
}
static inline unsigned long read_tr_base(void)
{
u16 tr;
- asm ("str %0" : "=g"(tr));
+ asm("str %0" : "=g"(tr));
return segment_base(tr);
}
}
#endif
-static inline void fx_save(void *image)
+static inline void fx_save(struct i387_fxsave_struct *image)
{
- asm ("fxsave (%0)":: "r" (image));
+ asm("fxsave (%0)":: "r" (image));
}
-static inline void fx_restore(void *image)
+static inline void fx_restore(struct i387_fxsave_struct *image)
{
- asm ("fxrstor (%0)":: "r" (image));
+ asm("fxrstor (%0)":: "r" (image));
}
static inline void fpu_init(void)
{
- asm ("finit");
+ asm("finit");
}
static inline u32 get_rdx_init_val(void)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff