From d7b69b590bc9a5d299c82d3b27772cece0238d38 Mon Sep 17 00:00:00 2001
From: "Borislav Petkov (AMD)" <bp@alien8.de>
Date: Mon, 19 Feb 2024 10:42:16 +0100
Subject: 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
---
 arch/x86/mm/mem_encrypt.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'arch/x86/mm')

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");
-- 
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