diff options
| author | Neeraj Upadhyay <Neeraj.Upadhyay@amd.com> | 2025-08-28 17:02:24 +0530 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2025-09-01 13:20:53 +0200 |
| commit | 27a17e02418e978198513edfb389b65237f4eaf5 (patch) | |
| tree | 27c89ff772c8097d087b617703aaeb48ce540220 | |
| parent | 952aefeebb3339d8129f7ca7fdb8f4344b6543a7 (diff) | |
x86/sev: Indicate the SEV-SNP guest supports Secure AVIC
Now that Secure AVIC support is complete, make it part of to the SNP present
features.
Co-developed-by: Kishon Vijay Abraham I <kvijayab@amd.com>
Signed-off-by: Kishon Vijay Abraham I <kvijayab@amd.com>
Signed-off-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Tianyu Lan <tiala@microsoft.com>
Link: https://lore.kernel.org/20250828113225.209174-1-Neeraj.Upadhyay@amd.com
| -rw-r--r-- | arch/x86/boot/compressed/sev.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c index 74e083feb2d9..048d3e8839c3 100644 --- a/arch/x86/boot/compressed/sev.c +++ b/arch/x86/boot/compressed/sev.c @@ -238,13 +238,20 @@ bool sev_es_check_ghcb_fault(unsigned long address) MSR_AMD64_SNP_SECURE_AVIC | \ MSR_AMD64_SNP_RESERVED_MASK) +#ifdef CONFIG_AMD_SECURE_AVIC +#define SNP_FEATURE_SECURE_AVIC MSR_AMD64_SNP_SECURE_AVIC +#else +#define SNP_FEATURE_SECURE_AVIC 0 +#endif + /* * SNP_FEATURES_PRESENT is the mask of SNP features that are implemented * by the guest kernel. As and when a new feature is implemented in the * guest kernel, a corresponding bit should be added to the mask. */ #define SNP_FEATURES_PRESENT (MSR_AMD64_SNP_DEBUG_SWAP | \ - MSR_AMD64_SNP_SECURE_TSC) + MSR_AMD64_SNP_SECURE_TSC | \ + SNP_FEATURE_SECURE_AVIC) u64 snp_get_unsupported_features(u64 status) { |