Re: [PATCH] crypto: ccp - Retry SEV INIT command in case of integrity check failure.
From: Herbert Xu
Date: Fri Oct 25 2019 - 11:26:04 EST
On Thu, Oct 17, 2019 at 10:35:11PM +0000, Kalra, Ashish wrote:
> From: Ashish Kalra <ashish.kalra@xxxxxxx>
> SEV INIT command loads the SEV related persistent data from NVS
> and initializes the platform context. The firmware validates the
> persistent state. If validation fails, the firmware will reset
> the persisent state and return an integrity check failure status.
> At this point, a subsequent INIT command should succeed, so retry
> the command. The INIT command retry is only done during driver
> Additional enums along with SEV_RET_SECURE_DATA_INVALID are added
> to sev_ret_code to maintain continuity and relevance of enum values.
> Signed-off-by: Ashish Kalra <ashish.kalra@xxxxxxx>
> drivers/crypto/ccp/psp-dev.c | 12 ++++++++++++
> include/uapi/linux/psp-sev.h | 3 +++
> 2 files changed, 15 insertions(+)
Patch applied. Thanks.
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt