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authorTom Lendacky <thomas.lendacky@amd.com>2024-08-14 15:42:40 -0500
committerHerbert Xu <herbert@gondor.apana.org.au>2024-08-24 21:36:07 +0800
commit142a794bcf007a22a5b14700e26d740b28d90754 (patch)
treee2a6b68a73bf3d119bf49b794fc7ff1cb37abca7 /drivers/crypto
parent3363c460ef726ba693704dbcd73b7e7214ccc788 (diff)
crypto: ccp - Add additional information about an SEV firmware upgrade
Print additional information, in the form of the old and new versions of the SEV firmware, so that it can be seen what the base firmware was before the upgrade. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Reviewed-by: Ashish Kalra <ashish.kalra@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/ccp/sev-dev.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c
index 9810edbb272d..3b89f23afcd7 100644
--- a/drivers/crypto/ccp/sev-dev.c
+++ b/drivers/crypto/ccp/sev-dev.c
@@ -1629,8 +1629,6 @@ static int sev_update_firmware(struct device *dev)
if (ret)
dev_dbg(dev, "Failed to update SEV firmware: %#x\n", error);
- else
- dev_info(dev, "SEV firmware update successful\n");
__free_pages(p, order);
@@ -2382,6 +2380,7 @@ void sev_pci_init(void)
{
struct sev_device *sev = psp_master->sev_data;
struct sev_platform_init_args args = {0};
+ u8 api_major, api_minor, build;
int rc;
if (!sev)
@@ -2392,9 +2391,19 @@ void sev_pci_init(void)
if (sev_get_api_version())
goto err;
+ api_major = sev->api_major;
+ api_minor = sev->api_minor;
+ build = sev->build;
+
if (sev_update_firmware(sev->dev) == 0)
sev_get_api_version();
+ if (api_major != sev->api_major || api_minor != sev->api_minor ||
+ build != sev->build)
+ dev_info(sev->dev, "SEV firmware updated from %d.%d.%d to %d.%d.%d\n",
+ api_major, api_minor, build,
+ sev->api_major, sev->api_minor, sev->build);
+
/* Initialize the platform */
args.probe = true;
rc = sev_platform_init(&args);