@@ -4,12 +4,6 @@
#include <linux/build_bug.h>
-#define GET_SMSTATE(type, buf, offset) \
- (*(type *)((buf) + (offset) - 0x7e00))
-
-#define PUT_SMSTATE(type, buf, offset, val) \
- *(type *)((buf) + (offset) - 0x7e00) = val
-
#ifdef CONFIG_KVM_SMM
@@ -4442,15 +4442,11 @@ static int svm_enter_smm(struct kvm_vcpu *vcpu, union kvm_smram *smram)
struct kvm_host_map map_save;
int ret;
- char *smstate = (char *)smram;
-
if (!is_guest_mode(vcpu))
return 0;
- /* FED8h - SVM Guest */
- PUT_SMSTATE(u64, smstate, 0x7ed8, 1);
- /* FEE0h - SVM Guest VMCB Physical Address */
- PUT_SMSTATE(u64, smstate, 0x7ee0, svm->nested.vmcb12_gpa);
+ smram->smram64.svm_guest_flag = 1;
+ smram->smram64.svm_guest_vmcb_gpa = svm->nested.vmcb12_gpa;
svm->vmcb->save.rax = vcpu->arch.regs[VCPU_REGS_RAX];
svm->vmcb->save.rsp = vcpu->arch.regs[VCPU_REGS_RSP];
@@ -4488,28 +4484,25 @@ static int svm_leave_smm(struct kvm_vcpu *vcpu, const union kvm_smram *smram)
{
struct vcpu_svm *svm = to_svm(vcpu);
struct kvm_host_map map, map_save;
- u64 saved_efer, vmcb12_gpa;
struct vmcb *vmcb12;
int ret;
- const char *smstate = (const char *)smram;
+ const struct kvm_smram_state_64 *smram64 = &smram->smram64;
if (!guest_cpuid_has(vcpu, X86_FEATURE_LM))
return 0;
/* Non-zero if SMI arrived while vCPU was in guest mode. */
- if (!GET_SMSTATE(u64, smstate, 0x7ed8))
+ if (!smram64->svm_guest_flag)
return 0;
if (!guest_cpuid_has(vcpu, X86_FEATURE_SVM))
return 1;
- saved_efer = GET_SMSTATE(u64, smstate, 0x7ed0);
- if (!(saved_efer & EFER_SVME))
+ if (!(smram64->efer & EFER_SVME))
return 1;
- vmcb12_gpa = GET_SMSTATE(u64, smstate, 0x7ee0);
- if (kvm_vcpu_map(vcpu, gpa_to_gfn(vmcb12_gpa), &map))
+ if (kvm_vcpu_map(vcpu, gpa_to_gfn(smram64->svm_guest_vmcb_gpa), &map))
return 1;
ret = 1;
@@ -4535,7 +4528,7 @@ static int svm_leave_smm(struct kvm_vcpu *vcpu, const union kvm_smram *smram)
vmcb12 = map.hva;
nested_copy_vmcb_control_to_cache(svm, &vmcb12->control);
nested_copy_vmcb_save_to_cache(svm, &vmcb12->save);
- ret = enter_svm_guest_mode(vcpu, vmcb12_gpa, vmcb12, false);
+ ret = enter_svm_guest_mode(vcpu, smram64->svm_guest_vmcb_gpa, vmcb12, false);
if (ret)
goto unmap_save;
Use SMM structs in the SVM code as well, which removes the last user of put_smstate/GET_SMSTATE so remove these macros as well. Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> --- arch/x86/kvm/smm.h | 6 ------ arch/x86/kvm/svm/svm.c | 21 +++++++-------------- 2 files changed, 7 insertions(+), 20 deletions(-)