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authorPeter Gonda <pgonda@google.com>2022-04-13 08:58:35 -0700
committerHerbert Xu <herbert@gondor.apana.org.au>2022-04-21 17:53:55 +0800
commita77aba3109363ae89711fa2dc3523520c760937f (patch)
tree6129a333212c9c26681b24fd1186ad6611fcaf74 /drivers/crypto/ccp
parent32547a6aedda132907fcd15cdc8271429609f216 (diff)
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crypto: ccp - Log when resetting PSP SEV state
Currently when the PSP returns a SECURE_DATA_INVALID error on INIT or INIT_EX the driver retries the command once which should reset the PSP's state SEV related state, meaning the PSP will regenerate its keying material. This is logged with a dbg log but given this will change system state this should be logged at a higher priority and with more information. Signed-off-by: Peter Gonda <pgonda@google.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: David Rientjes <rientjes@google.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: John Allen <john.allen@amd.com> Cc: linux-crypto@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccp')
-rw-r--r--drivers/crypto/ccp/sev-dev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c
index 6ab93dfd478a..fd928199bf1e 100644
--- a/drivers/crypto/ccp/sev-dev.c
+++ b/drivers/crypto/ccp/sev-dev.c
@@ -435,7 +435,7 @@ static int __sev_platform_init_locked(int *error)
* initialization function should succeed by replacing the state
* with a reset state.
*/
- dev_dbg(sev->dev, "SEV: retrying INIT command");
+ dev_err(sev->dev, "SEV: retrying INIT command because of SECURE_DATA_INVALID error. Retrying once to reset PSP SEV state.");
rc = init_function(&psp_ret);
}
if (error)