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-rw-r--r--drivers/kvm/x86.h117
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/kvm/x86.h b/drivers/kvm/x86.h
index 1e2f71bd805d..01452b552db3 100644
--- a/drivers/kvm/x86.h
+++ b/drivers/kvm/x86.h
@@ -13,4 +13,121 @@
13 13
14#include "kvm.h" 14#include "kvm.h"
15 15
16#include <linux/types.h>
17#include <linux/mm.h>
18
19#include <linux/kvm.h>
20#include <linux/kvm_para.h>
21
22struct kvm_vcpu {
23 KVM_VCPU_COMM;
24 u64 host_tsc;
25 int interrupt_window_open;
26 unsigned long irq_summary; /* bit vector: 1 per word in irq_pending */
27 DECLARE_BITMAP(irq_pending, KVM_NR_INTERRUPTS);
28 unsigned long regs[NR_VCPU_REGS]; /* for rsp: vcpu_load_rsp_rip() */
29 unsigned long rip; /* needs vcpu_load_rsp_rip() */
30
31 unsigned long cr0;
32 unsigned long cr2;
33 unsigned long cr3;
34 unsigned long cr4;
35 unsigned long cr8;
36 u64 pdptrs[4]; /* pae */
37 u64 shadow_efer;
38 u64 apic_base;
39 struct kvm_lapic *apic; /* kernel irqchip context */
40#define VCPU_MP_STATE_RUNNABLE 0
41#define VCPU_MP_STATE_UNINITIALIZED 1
42#define VCPU_MP_STATE_INIT_RECEIVED 2
43#define VCPU_MP_STATE_SIPI_RECEIVED 3
44#define VCPU_MP_STATE_HALTED 4
45 int mp_state;
46 int sipi_vector;
47 u64 ia32_misc_enable_msr;
48
49 struct kvm_mmu mmu;
50
51 struct kvm_mmu_memory_cache mmu_pte_chain_cache;
52 struct kvm_mmu_memory_cache mmu_rmap_desc_cache;
53 struct kvm_mmu_memory_cache mmu_page_cache;
54 struct kvm_mmu_memory_cache mmu_page_header_cache;
55
56 gfn_t last_pt_write_gfn;
57 int last_pt_write_count;
58 u64 *last_pte_updated;
59
60
61 struct i387_fxsave_struct host_fx_image;
62 struct i387_fxsave_struct guest_fx_image;
63
64 gva_t mmio_fault_cr2;
65 struct kvm_pio_request pio;
66 void *pio_data;
67
68 struct {
69 int active;
70 u8 save_iopl;
71 struct kvm_save_segment {
72 u16 selector;
73 unsigned long base;
74 u32 limit;
75 u32 ar;
76 } tr, es, ds, fs, gs;
77 } rmode;
78 int halt_request; /* real mode on Intel only */
79
80 int cpuid_nent;
81 struct kvm_cpuid_entry cpuid_entries[KVM_MAX_CPUID_ENTRIES];
82
83 /* emulate context */
84
85 struct x86_emulate_ctxt emulate_ctxt;
86};
87
88static inline int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva,
89 u32 error_code)
90{
91 return vcpu->mmu.page_fault(vcpu, gva, error_code);
92}
93
94static inline void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu)
95{
96 if (unlikely(vcpu->kvm->n_free_mmu_pages < KVM_MIN_FREE_MMU_PAGES))
97 __kvm_mmu_free_some_pages(vcpu);
98}
99
100static inline int kvm_mmu_reload(struct kvm_vcpu *vcpu)
101{
102 if (likely(vcpu->mmu.root_hpa != INVALID_PAGE))
103 return 0;
104
105 return kvm_mmu_load(vcpu);
106}
107
108static inline int is_long_mode(struct kvm_vcpu *vcpu)
109{
110#ifdef CONFIG_X86_64
111 return vcpu->shadow_efer & EFER_LME;
112#else
113 return 0;
114#endif
115}
116
117static inline int is_pae(struct kvm_vcpu *vcpu)
118{
119 return vcpu->cr4 & X86_CR4_PAE;
120}
121
122static inline int is_pse(struct kvm_vcpu *vcpu)
123{
124 return vcpu->cr4 & X86_CR4_PSE;
125}
126
127static inline int is_paging(struct kvm_vcpu *vcpu)
128{
129 return vcpu->cr0 & X86_CR0_PG;
130}
131
132
16#endif 133#endif