From e6aa9abd7381557c67be6a9e7240eb132ca00d66 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Fri, 7 Aug 2009 11:49:33 +0200 Subject: [PATCH] KVM: SVM: move nested svm state into seperate struct This makes it more clear for which purpose these members in the vcpu_svm exist. Signed-off-by: Joerg Roedel Acked-by: Alexander Graf Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 62 ++++++++++++++++++++++++---------------------- 1 file changed, 33 insertions(+), 29 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 825b82540f01..fbadaa7cb27a 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -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: