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| author | Borislav Petkov (AMD) <bp@alien8.de> | 2024-02-19 12:42:16 +0300 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-02-28 15:39:37 +0300 |
| commit | d7b69b590bc9a5d299c82d3b27772cece0238d38 (patch) | |
| tree | cee138843eefc3b0de1759545247a1539a35ea97 /arch/x86/mm | |
| parent | ee8ff8768735edc3e013837c4416f819543ddc17 (diff) | |
| download | linux-d7b69b590bc9a5d299c82d3b27772cece0238d38.tar.xz | |
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/mm')
| -rw-r--r-- | arch/x86/mm/mem_encrypt.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/mm/mem_encrypt.c b/arch/x86/mm/mem_encrypt.c index d035bce3a2b0..6f3b3e028718 100644 --- a/arch/x86/mm/mem_encrypt.c +++ b/arch/x86/mm/mem_encrypt.c @@ -14,6 +14,8 @@ #include <linux/mem_encrypt.h> #include <linux/virtio_anchor.h> +#include <asm/sev.h> + /* Override for DMA direct allocation check - ARCH_HAS_FORCE_DMA_UNENCRYPTED */ bool force_dma_unencrypted(struct device *dev) { @@ -74,6 +76,9 @@ static void print_mem_encrypt_feature_info(void) pr_cont(" SEV-SNP"); pr_cont("\n"); + + sev_show_status(); + break; default: pr_cont("Unknown\n"); |