diff options
Diffstat (limited to 'arch/x86/coco/core.c')
| -rw-r--r-- | arch/x86/coco/core.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/coco/core.c b/arch/x86/coco/core.c index 0f81f70aca82..989ca9f72ba3 100644 --- a/arch/x86/coco/core.c +++ b/arch/x86/coco/core.c @@ -18,7 +18,9 @@ #include <asm/processor.h> enum cc_vendor cc_vendor __ro_after_init = CC_VENDOR_NONE; +SYM_PIC_ALIAS(cc_vendor); u64 cc_mask __ro_after_init; +SYM_PIC_ALIAS(cc_mask); static struct cc_attr_flags { __u64 host_sev_snp : 1, @@ -65,7 +67,6 @@ static __maybe_unused __always_inline bool amd_cc_platform_vtom(enum cc_attr att * up under SME the trampoline area cannot be encrypted, whereas under SEV * the trampoline area must be encrypted. */ - static bool noinstr amd_cc_platform_has(enum cc_attr attr) { #ifdef CONFIG_AMD_MEM_ENCRYPT @@ -97,9 +98,15 @@ static bool noinstr amd_cc_platform_has(enum cc_attr attr) case CC_ATTR_GUEST_SEV_SNP: return sev_status & MSR_AMD64_SEV_SNP_ENABLED; + case CC_ATTR_GUEST_SNP_SECURE_TSC: + return sev_status & MSR_AMD64_SNP_SECURE_TSC; + case CC_ATTR_HOST_SEV_SNP: return cc_flags.host_sev_snp; + case CC_ATTR_SNP_SECURE_AVIC: + return sev_status & MSR_AMD64_SNP_SECURE_AVIC; + default: return false; } |