diff options
| author | Michael Roth <michael.roth@amd.com> | 2024-05-01 03:52:03 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-05-12 04:09:32 -0400 |
| commit | 4f2e7aa1cfdf4374a4c876c9358e0d7035647eb1 (patch) | |
| tree | e6434c1717d71b56217b6156c70c0658d0ad44ee /arch/x86/kvm/svm/svm.h | |
| parent | e366f92ea99e1961fbad5e2110900e9f4fcb249b (diff) | |
KVM: SEV: Implement gmem hook for initializing private pages
This will handle the RMP table updates needed to put a page into a
private state before mapping it into an SEV-SNP guest.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Roth <michael.roth@amd.com>
Message-ID: <20240501085210.2213060-14-michael.roth@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm/svm.h')
| -rw-r--r-- | arch/x86/kvm/svm/svm.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 926bfce571a6..4203bd9012e9 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -736,6 +736,7 @@ extern unsigned int max_sev_asid; void sev_handle_rmp_fault(struct kvm_vcpu *vcpu, gpa_t gpa, u64 error_code); void sev_vcpu_unblocking(struct kvm_vcpu *vcpu); void sev_snp_init_protected_guest_state(struct kvm_vcpu *vcpu); +int sev_gmem_prepare(struct kvm *kvm, kvm_pfn_t pfn, gfn_t gfn, int max_order); #else static inline struct page *snp_safe_alloc_page(struct kvm_vcpu *vcpu) { return alloc_page(GFP_KERNEL_ACCOUNT | __GFP_ZERO); @@ -752,6 +753,10 @@ static inline int sev_dev_get_attr(u32 group, u64 attr, u64 *val) { return -ENXI static inline void sev_handle_rmp_fault(struct kvm_vcpu *vcpu, gpa_t gpa, u64 error_code) {} static inline void sev_vcpu_unblocking(struct kvm_vcpu *vcpu) {} static inline void sev_snp_init_protected_guest_state(struct kvm_vcpu *vcpu) {} +static inline int sev_gmem_prepare(struct kvm *kvm, kvm_pfn_t pfn, gfn_t gfn, int max_order) +{ + return 0; +} #endif |