drivers/kvm/kvm_svm.h

   1 #ifndef __KVM_SVM_H
   2 #define __KVM_SVM_H
   3
   4 #include <linux/types.h>
   5 #include <linux/list.h>
   6 #include <asm/msr.h>
   7
   8 #include "svm.h"
   9 #include "kvm.h"
  10
  11 static const u32 host_save_msrs[] = {
  12 #ifdef __x86_64__
  13         MSR_STAR, MSR_LSTAR, MSR_CSTAR, MSR_SYSCALL_MASK, MSR_KERNEL_GS_BASE,
  14         MSR_FS_BASE, MSR_GS_BASE,
  15 #endif
  16         MSR_IA32_SYSENTER_CS, MSR_IA32_SYSENTER_ESP, MSR_IA32_SYSENTER_EIP,
  17         MSR_IA32_DEBUGCTLMSR, /*MSR_IA32_LASTBRANCHFROMIP,
  18         MSR_IA32_LASTBRANCHTOIP, MSR_IA32_LASTINTFROMIP,MSR_IA32_LASTINTTOIP,*/
  19 };
  20
  21 #define NR_HOST_SAVE_MSRS (sizeof(host_save_msrs) / sizeof(*host_save_msrs))
  22 #define NUM_DB_REGS 4
  23
  24 struct vcpu_svm {
  25         struct vmcb *vmcb;
  26         unsigned long vmcb_pa;
  27         struct svm_cpu_data *svm_data;
  28         uint64_t asid_generation;
  29
  30         unsigned long cr0;
  31         unsigned long cr4;
  32         unsigned long db_regs[NUM_DB_REGS];
  33
  34         u64 next_rip;
  35
  36         u64 host_msrs[NR_HOST_SAVE_MSRS];
  37         unsigned long host_cr2;
  38         unsigned long host_db_regs[NUM_DB_REGS];
  39         unsigned long host_dr6;
  40         unsigned long host_dr7;
  41 };
  42
  43 #endif
  44