drivers/kvm/kvm_svm.h

   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 <asm/msr.h>
   8
   9 #include "svm.h"
  10 #include "kvm.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
  44 #endif
  45