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| author | Borislav Petkov (AMD) <bp@alien8.de> | 2024-02-19 10:42:16 +0100 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-02-28 13:39:37 +0100 |
| commit | d7b69b590bc9a5d299c82d3b27772cece0238d38 (patch) | |
| tree | cee138843eefc3b0de1759545247a1539a35ea97 /arch/x86/include/asm/sev.h | |
| parent | ee8ff8768735edc3e013837c4416f819543ddc17 (diff) | |
| download | lwn-d7b69b590bc9a5d299c82d3b27772cece0238d38.tar.gz lwn-d7b69b590bc9a5d299c82d3b27772cece0238d38.zip | |
x86/sev: Dump SEV_STATUS
It is, and will be even more useful in the future, to dump the SEV
features enabled according to SEV_STATUS. Do so:
[ 0.542753] Memory Encryption Features active: AMD SEV SEV-ES SEV-SNP
[ 0.544425] SEV: Status: SEV SEV-ES SEV-SNP DebugSwap
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Nikunj A Dadhania <nikunj@amd.com>
Link: https://lore.kernel.org/r/20240219094216.GAZdMieDHKiI8aaP3n@fat_crate.local
Diffstat (limited to 'arch/x86/include/asm/sev.h')
| -rw-r--r-- | arch/x86/include/asm/sev.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/sev.h b/arch/x86/include/asm/sev.h index bed95e1f4d52..f000635d6061 100644 --- a/arch/x86/include/asm/sev.h +++ b/arch/x86/include/asm/sev.h @@ -228,6 +228,7 @@ void snp_accept_memory(phys_addr_t start, phys_addr_t end); u64 snp_get_unsupported_features(u64 status); u64 sev_get_status(void); void kdump_sev_callback(void); +void sev_show_status(void); #else static inline void sev_es_ist_enter(struct pt_regs *regs) { } static inline void sev_es_ist_exit(void) { } @@ -257,6 +258,7 @@ static inline void snp_accept_memory(phys_addr_t start, phys_addr_t end) { } static inline u64 snp_get_unsupported_features(u64 status) { return 0; } static inline u64 sev_get_status(void) { return 0; } static inline void kdump_sev_callback(void) { } +static inline void sev_show_status(void) { } #endif #ifdef CONFIG_KVM_AMD_SEV |