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path: root/drivers/crypto/ccp/psp-dev.c
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Diffstat (limited to 'drivers/crypto/ccp/psp-dev.c')
-rw-r--r--drivers/crypto/ccp/psp-dev.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c
index 6b17d179ef8a..f9318d4482f2 100644
--- a/drivers/crypto/ccp/psp-dev.c
+++ b/drivers/crypto/ccp/psp-dev.c
@@ -1064,6 +1064,18 @@ void psp_pci_init(void)
/* Initialize the platform */
rc = sev_platform_init(&error);
+ if (rc && (error == SEV_RET_SECURE_DATA_INVALID)) {
+ /*
+ * INIT command returned an integrity check failure
+ * status code, meaning that firmware load and
+ * validation of SEV related persistent data has
+ * failed and persistent state has been erased.
+ * Retrying INIT command here should succeed.
+ */
+ dev_dbg(sp->dev, "SEV: retrying INIT command");
+ rc = sev_platform_init(&error);
+ }
+
if (rc) {
dev_err(sp->dev, "SEV: failed to INIT error %#x\n", error);
return;