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| author | Brijesh Singh | 2017-12-04 17:57:26 +0100 |
|---|---|---|
| committer | Brijesh Singh | 2017-12-04 17:57:26 +0100 |
| commit | 5acc5c063196b4a531a761a954023c1848ec832b (patch) | |
| tree | f0aeadedafe44f1d651fc6811826d62b89ddb8e8 /arch/x86/kvm/x86.c | |
| parent | KVM: X86: Extend CPUID range to include new leaf (diff) | |
| download | kernel-qcow2-linux-5acc5c063196b4a531a761a954023c1848ec832b.tar.gz kernel-qcow2-linux-5acc5c063196b4a531a761a954023c1848ec832b.tar.xz kernel-qcow2-linux-5acc5c063196b4a531a761a954023c1848ec832b.zip | |
KVM: Introduce KVM_MEMORY_ENCRYPT_OP ioctl
If the hardware supports memory encryption then the
KVM_MEMORY_ENCRYPT_OP ioctl can be used by qemu to issue a platform
specific memory encryption commands.
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: x86@kernel.org
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 34c85aa2e2d1..7bbed0c0ba79 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4281,6 +4281,12 @@ set_identity_unlock: r = kvm_vm_ioctl_enable_cap(kvm, &cap); break; } + case KVM_MEMORY_ENCRYPT_OP: { + r = -ENOTTY; + if (kvm_x86_ops->mem_enc_op) + r = kvm_x86_ops->mem_enc_op(kvm, argp); + break; + } default: r = -ENOTTY; } |