x86/sev: Add SEV-SNP guest feature negotiation support

[platform/kernel/linux-starfive.git] / arch / x86 / include / asm / msr-index.h

diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 4a2af82..91447f0 100644 (file)
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -571,6 +571,26 @@
 #define MSR_AMD64_SEV_ES_ENABLED       BIT_ULL(MSR_AMD64_SEV_ES_ENABLED_BIT)
 #define MSR_AMD64_SEV_SNP_ENABLED      BIT_ULL(MSR_AMD64_SEV_SNP_ENABLED_BIT)
 
+/* SNP feature bits enabled by the hypervisor */
+#define MSR_AMD64_SNP_VTOM                     BIT_ULL(3)
+#define MSR_AMD64_SNP_REFLECT_VC               BIT_ULL(4)
+#define MSR_AMD64_SNP_RESTRICTED_INJ           BIT_ULL(5)
+#define MSR_AMD64_SNP_ALT_INJ                  BIT_ULL(6)
+#define MSR_AMD64_SNP_DEBUG_SWAP               BIT_ULL(7)
+#define MSR_AMD64_SNP_PREVENT_HOST_IBS         BIT_ULL(8)
+#define MSR_AMD64_SNP_BTB_ISOLATION            BIT_ULL(9)
+#define MSR_AMD64_SNP_VMPL_SSS                 BIT_ULL(10)
+#define MSR_AMD64_SNP_SECURE_TSC               BIT_ULL(11)
+#define MSR_AMD64_SNP_VMGEXIT_PARAM            BIT_ULL(12)
+#define MSR_AMD64_SNP_IBS_VIRT                 BIT_ULL(14)
+#define MSR_AMD64_SNP_VMSA_REG_PROTECTION      BIT_ULL(16)
+#define MSR_AMD64_SNP_SMT_PROTECTION           BIT_ULL(17)
+
+/* SNP feature bits reserved for future use. */
+#define MSR_AMD64_SNP_RESERVED_BIT13           BIT_ULL(13)
+#define MSR_AMD64_SNP_RESERVED_BIT15           BIT_ULL(15)
+#define MSR_AMD64_SNP_RESERVED_MASK            GENMASK_ULL(63, 18)
+
 #define MSR_AMD64_VIRT_SPEC_CTRL       0xc001011f
 
 /* AMD Collaborative Processor Performance Control MSRs */