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1 #ifndef __KVM_SVM_H
2 #define __KVM_SVM_H
3 
4 #include <linux/kernel.h>
5 #include <linux/types.h>
6 #include <linux/list.h>
7 #include <linux/kvm_host.h>
8 #include <asm/msr.h>
9 
10 #include <asm/svm.h>
11 
12 static const u32 host_save_user_msrs[] = {
13 #ifdef CONFIG_X86_64
14 	MSR_STAR, MSR_LSTAR, MSR_CSTAR, MSR_SYSCALL_MASK, MSR_KERNEL_GS_BASE,
15 	MSR_FS_BASE,
16 #endif
17 	MSR_IA32_SYSENTER_CS, MSR_IA32_SYSENTER_ESP, MSR_IA32_SYSENTER_EIP,
18 };
19 
20 #define NR_HOST_SAVE_USER_MSRS ARRAY_SIZE(host_save_user_msrs)
21 #define NUM_DB_REGS 4
22 
23 struct kvm_vcpu;
24 
25 struct vcpu_svm {
26 	struct kvm_vcpu vcpu;
27 	struct vmcb *vmcb;
28 	unsigned long vmcb_pa;
29 	struct svm_cpu_data *svm_data;
30 	uint64_t asid_generation;
31 
32 	unsigned long db_regs[NUM_DB_REGS];
33 
34 	u64 next_rip;
35 
36 	u64 host_user_msrs[NR_HOST_SAVE_USER_MSRS];
37 	u64 host_gs_base;
38 	unsigned long host_cr2;
39 	unsigned long host_db_regs[NUM_DB_REGS];
40 	unsigned long host_dr6;
41 	unsigned long host_dr7;
42 
43 	u32 *msrpm;
44 };
45 
46 #endif
47 
48