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crypto: ccp - Add new SEV/SNP platform shutdown API

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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>
This commit is contained in:
Ashish Kalra
2025-03-24 21:15:17 +00:00
committed by Herbert Xu
parent 19860c3274
commit f7b86e0e75
2 changed files with 12 additions and 0 deletions
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9
drivers/crypto/ccp/sev-dev.c
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@@ -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;