diff options
| author | Brijesh Singh <brijesh.singh@amd.com> | 2024-05-01 10:10:46 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-05-07 20:28:04 +0300 |
| commit | ae01818398236ad6d8ecd6970334baf0b7c57409 (patch) | |
| tree | d6f90150dae9f38a8eace7f004ff64d9a8e8389d /arch/x86/include | |
| parent | d916f00316b206255164392eeb2aca5f87cdb18a (diff) | |
| download | linux-ae01818398236ad6d8ecd6970334baf0b7c57409.tar.xz | |
KVM: SEV: Add GHCB handling for Hypervisor Feature Support requests
Version 2 of the GHCB specification introduced advertisement of features
that are supported by the Hypervisor.
Now that KVM supports version 2 of the GHCB specification, bump the
maximum supported protocol version.
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
Signed-off-by: Michael Roth <michael.roth@amd.com>
Message-ID: <20240501071048.2208265-3-michael.roth@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/sev-common.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/sev-common.h b/arch/x86/include/asm/sev-common.h index 01261f7054ad..5a8246dd532f 100644 --- a/arch/x86/include/asm/sev-common.h +++ b/arch/x86/include/asm/sev-common.h @@ -101,6 +101,8 @@ enum psc_op { /* GHCB Hypervisor Feature Request/Response */ #define GHCB_MSR_HV_FT_REQ 0x080 #define GHCB_MSR_HV_FT_RESP 0x081 +#define GHCB_MSR_HV_FT_POS 12 +#define GHCB_MSR_HV_FT_MASK GENMASK_ULL(51, 0) #define GHCB_MSR_HV_FT_RESP_VAL(v) \ /* GHCBData[63:12] */ \ (((u64)(v) & GENMASK_ULL(63, 12)) >> 12) |