diff options
| author | Ashish Kalra <ashish.kalra@amd.com> | 2025-03-24 21:15:17 +0000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-04-07 13:22:26 +0800 |
| commit | f7b86e0e75bc234751cb7a82d888083a57ef28b2 (patch) | |
| tree | 75a317ee019896bb3ed5489dc1bbf02877d2a5a3 /drivers/crypto/ccp | |
| parent | 19860c3274fb209e36ebcba562dc5da301a53cb3 (diff) | |
crypto: ccp - Add new SEV/SNP platform shutdown API
Add new API interface to do SEV/SNP platform shutdown when KVM module
is unloaded.
Reviewed-by: Dionna Glaze <dionnaglaze@google.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccp')
| -rw-r--r-- | drivers/crypto/ccp/sev-dev.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index 6fdbb3bf44b5..671347702ae7 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -2468,6 +2468,15 @@ static void sev_firmware_shutdown(struct sev_device *sev) mutex_unlock(&sev_cmd_mutex); } +void sev_platform_shutdown(void) +{ + if (!psp_master || !psp_master->sev_data) + return; + + sev_firmware_shutdown(psp_master->sev_data); +} +EXPORT_SYMBOL_GPL(sev_platform_shutdown); + void sev_dev_destroy(struct psp_device *psp) { struct sev_device *sev = psp->sev_data; |