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KVM: SVM: move nested svm state into seperate struct

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This makes it more clear for which purpose these members in the vcpu_svm
exist.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Joerg Roedel 2009-08-07 11:49:33 +02:00 committed by Avi Kivity
parent a5c3832dfe
commit e6aa9abd73
1 changed files with 33 additions and 29 deletions
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62
arch/x86/kvm/svm.c
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@ -70,6 +70,18 @@ static const u32 host_save_user_msrs[] = {
struct kvm_vcpu;
struct nested_state {
struct vmcb *hsave;
u64 hsave_msr;
u64 vmcb;
/* These are the merged vectors */
u32 *msrpm;
/* gpa pointers to the real vectors */
u64 vmcb_msrpm;
};
struct vcpu_svm {
struct kvm_vcpu vcpu;
struct vmcb *vmcb;
@ -85,16 +97,8 @@ struct vcpu_svm {
u64 host_gs_base;
u32 *msrpm;
struct vmcb *hsave;
u64 hsave_msr;
u64 nested_vmcb;
/* These are the merged vectors */
u32 *nested_msrpm;
/* gpa pointers to the real vectors */
u64 nested_vmcb_msrpm;
struct nested_state nested;
};
/* enable NPT for AMD64 and X86 with PAE */
@ -127,7 +131,7 @@ static inline struct vcpu_svm *to_svm(struct kvm_vcpu *vcpu)
static inline bool is_nested(struct vcpu_svm *svm)
{
return svm->nested_vmcb;
return svm->nested.vmcb;
}
static inline void enable_gif(struct vcpu_svm *svm)
@ -636,7 +640,7 @@ static void init_vmcb(struct vcpu_svm *svm)
}
force_new_asid(&svm->vcpu);
svm->nested_vmcb = 0;
svm->nested.vmcb = 0;
svm->vcpu.arch.hflags = 0;
enable_gif(svm);
@ -699,9 +703,9 @@ static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id)
hsave_page = alloc_page(GFP_KERNEL);
if (!hsave_page)
goto uninit;
svm->hsave = page_address(hsave_page);
svm->nested.hsave = page_address(hsave_page);
svm->nested_msrpm = page_address(nested_msrpm_pages);
svm->nested.msrpm = page_address(nested_msrpm_pages);
svm->vmcb = page_address(page);
clear_page(svm->vmcb);
@ -731,8 +735,8 @@ static void svm_free_vcpu(struct kvm_vcpu *vcpu)
__free_page(pfn_to_page(svm->vmcb_pa >> PAGE_SHIFT));
__free_pages(virt_to_page(svm->msrpm), MSRPM_ALLOC_ORDER);
__free_page(virt_to_page(svm->hsave));
__free_pages(virt_to_page(svm->nested_msrpm), MSRPM_ALLOC_ORDER);
__free_page(virt_to_page(svm->nested.hsave));
__free_pages(virt_to_page(svm->nested.msrpm), MSRPM_ALLOC_ORDER);
kvm_vcpu_uninit(vcpu);
kmem_cache_free(kvm_vcpu_cache, svm);
}
@ -1558,13 +1562,13 @@ static int nested_svm_exit_handled(struct vcpu_svm *svm, bool kvm_override)
switch (svm->vmcb->control.exit_code) {
case SVM_EXIT_MSR:
return nested_svm_do(svm, svm->nested_vmcb,
svm->nested_vmcb_msrpm, NULL,
return nested_svm_do(svm, svm->nested.vmcb,
svm->nested.vmcb_msrpm, NULL,
nested_svm_exit_handled_msr);
default: break;
}
return nested_svm_do(svm, svm->nested_vmcb, 0, &k,
return nested_svm_do(svm, svm->nested.vmcb, 0, &k,
nested_svm_exit_handled_real);
}
@ -1604,7 +1608,7 @@ static int nested_svm_vmexit_real(struct vcpu_svm *svm, void *arg1,
void *arg2, void *opaque)
{
struct vmcb *nested_vmcb = (struct vmcb *)arg1;
struct vmcb *hsave = svm->hsave;
struct vmcb *hsave = svm->nested.hsave;
struct vmcb *vmcb = svm->vmcb;
/* Give the current vmcb to the guest */
@ -1679,7 +1683,7 @@ static int nested_svm_vmexit_real(struct vcpu_svm *svm, void *arg1,
svm->vmcb->control.exit_int_info = 0;
/* Exit nested SVM mode */
svm->nested_vmcb = 0;
svm->nested.vmcb = 0;
return 0;
}
@ -1687,7 +1691,7 @@ static int nested_svm_vmexit_real(struct vcpu_svm *svm, void *arg1,
static int nested_svm_vmexit(struct vcpu_svm *svm)
{
nsvm_printk("VMexit\n");
if (nested_svm_do(svm, svm->nested_vmcb, 0,
if (nested_svm_do(svm, svm->nested.vmcb, 0,
NULL, nested_svm_vmexit_real))
return 1;
@ -1703,8 +1707,8 @@ static int nested_svm_vmrun_msrpm(struct vcpu_svm *svm, void *arg1,
int i;
u32 *nested_msrpm = (u32*)arg1;
for (i=0; i< PAGE_SIZE * (1 << MSRPM_ALLOC_ORDER) / 4; i++)
svm->nested_msrpm[i] = svm->msrpm[i] | nested_msrpm[i];
svm->vmcb->control.msrpm_base_pa = __pa(svm->nested_msrpm);
svm->nested.msrpm[i] = svm->msrpm[i] | nested_msrpm[i];
svm->vmcb->control.msrpm_base_pa = __pa(svm->nested.msrpm);
return 0;
}
@ -1713,11 +1717,11 @@ static int nested_svm_vmrun(struct vcpu_svm *svm, void *arg1,
void *arg2, void *opaque)
{
struct vmcb *nested_vmcb = (struct vmcb *)arg1;
struct vmcb *hsave = svm->hsave;
struct vmcb *hsave = svm->nested.hsave;
struct vmcb *vmcb = svm->vmcb;
/* nested_vmcb is our indicator if nested SVM is activated */
svm->nested_vmcb = svm->vmcb->save.rax;
svm->nested.vmcb = svm->vmcb->save.rax;
/* Clear internal status */
kvm_clear_exception_queue(&svm->vcpu);
@ -1795,7 +1799,7 @@ static int nested_svm_vmrun(struct vcpu_svm *svm, void *arg1,
svm->vmcb->control.intercept |= nested_vmcb->control.intercept;
svm->nested_vmcb_msrpm = nested_vmcb->control.msrpm_base_pa;
svm->nested.vmcb_msrpm = nested_vmcb->control.msrpm_base_pa;
force_new_asid(&svm->vcpu);
svm->vmcb->control.exit_int_info = nested_vmcb->control.exit_int_info;
@ -1897,7 +1901,7 @@ static int vmrun_interception(struct vcpu_svm *svm, struct kvm_run *kvm_run)
NULL, nested_svm_vmrun))
return 1;
if (nested_svm_do(svm, svm->nested_vmcb_msrpm, 0,
if (nested_svm_do(svm, svm->nested.vmcb_msrpm, 0,
NULL, nested_svm_vmrun_msrpm))
return 1;
@ -2107,7 +2111,7 @@ static int svm_get_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 *data)
*data = svm->vmcb->save.last_excp_to;
break;
case MSR_VM_HSAVE_PA:
*data = svm->hsave_msr;
*data = svm->nested.hsave_msr;
break;
case MSR_VM_CR:
*data = 0;
@ -2195,7 +2199,7 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, unsigned ecx, u64 data)
svm_disable_lbrv(svm);
break;
case MSR_VM_HSAVE_PA:
svm->hsave_msr = data;
svm->nested.hsave_msr = data;
break;
case MSR_VM_CR:
case MSR_VM_IGNNE: