diff options
| author | Brijesh Singh <brijesh.singh@amd.com> | 2022-02-09 21:10:05 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2022-04-06 14:10:18 +0300 |
| commit | 2ea29c5abbc27147c2d9e2ab5e05436aca706b65 (patch) | |
| tree | 157a8406acede39e6fad1c07b13589bc85648bdf /arch/x86/include/asm/sev.h | |
| parent | 6c0f74d678c94060932683738b3e227995b363d3 (diff) | |
| download | linux-2ea29c5abbc27147c2d9e2ab5e05436aca706b65.tar.xz | |
x86/sev: Save the negotiated GHCB version
The SEV-ES guest calls sev_es_negotiate_protocol() to negotiate the GHCB
protocol version before establishing the GHCB. Cache the negotiated GHCB
version so that it can be used later.
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Venu Busireddy <venu.busireddy@oracle.com>
Link: https://lore.kernel.org/r/20220307213356.2797205-12-brijesh.singh@amd.com
Diffstat (limited to 'arch/x86/include/asm/sev.h')
| -rw-r--r-- | arch/x86/include/asm/sev.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/sev.h b/arch/x86/include/asm/sev.h index ec060c433589..9b9c190e8c3b 100644 --- a/arch/x86/include/asm/sev.h +++ b/arch/x86/include/asm/sev.h @@ -12,7 +12,7 @@ #include <asm/insn.h> #include <asm/sev-common.h> -#define GHCB_PROTO_OUR 0x0001UL +#define GHCB_PROTOCOL_MIN 1ULL #define GHCB_PROTOCOL_MAX 1ULL #define GHCB_DEFAULT_USAGE 0ULL |