diff options
| author | Sean Christopherson <seanjc@google.com> | 2021-04-21 19:11:22 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-04-26 05:27:17 -0400 |
| commit | b95c221cac167540aa347b5326cca8eb73f08af3 (patch) | |
| tree | 4b212a4ef74248493b5ec1467eb562267774f2a3 /arch/x86/kvm/svm/sev.c | |
| parent | 8cb756b7bdcc6e663a74dd0ca69ea143ff684494 (diff) | |
KVM: SVM: Move SEV VMCB tracking allocation to sev.c
Move the allocation of the SEV VMCB array to sev.c to help pave the way
toward encapsulating SEV enabling wholly within sev.c.
No functional change intended.
Reviewed by: Tom Lendacky <thomas.lendacky@amd.com>
Reviewed-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210422021125.3417167-13-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm/sev.c')
| -rw-r--r-- | arch/x86/kvm/svm/sev.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 84708d2dbc42..50b54d273a59 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -1906,6 +1906,18 @@ void sev_hardware_teardown(void) sev_flush_asids(); } +int sev_cpu_init(struct svm_cpu_data *sd) +{ + if (!svm_sev_enabled()) + return 0; + + sd->sev_vmcbs = kcalloc(max_sev_asid + 1, sizeof(void *), GFP_KERNEL); + if (!sd->sev_vmcbs) + return -ENOMEM; + + return 0; +} + /* * Pages used by hardware to hold guest encrypted state must be flushed before * returning them to the system. |