linux/arch/x86/kvm/kvm_svm.h
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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 "svm.h"
  11
  12static 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
  23struct kvm_vcpu;
  24
  25struct 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