diff options
| author | Peter Gonda <pgonda@google.com> | 2022-04-13 08:58:35 -0700 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2022-04-21 17:53:55 +0800 |
| commit | a77aba3109363ae89711fa2dc3523520c760937f (patch) | |
| tree | 6129a333212c9c26681b24fd1186ad6611fcaf74 /drivers/crypto/ccp/sev-dev.c | |
| parent | 32547a6aedda132907fcd15cdc8271429609f216 (diff) | |
| download | linux-a77aba3109363ae89711fa2dc3523520c760937f.tar.gz linux-a77aba3109363ae89711fa2dc3523520c760937f.tar.bz2 linux-a77aba3109363ae89711fa2dc3523520c760937f.zip | |
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/sev-dev.c')
| -rw-r--r-- | drivers/crypto/ccp/sev-dev.c | 2 |
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) |