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path: root/drivers/crypto/ccp
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Diffstat (limited to 'drivers/crypto/ccp')
-rw-r--r--drivers/crypto/ccp/psp-dev.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c
index b49583a45a55..a5072b166ab8 100644
--- a/drivers/crypto/ccp/psp-dev.c
+++ b/drivers/crypto/ccp/psp-dev.c
@@ -274,6 +274,21 @@ static int sev_ioctl_do_reset(struct sev_issue_cmd *argp)
return __sev_do_cmd_locked(SEV_CMD_FACTORY_RESET, 0, &argp->error);
}
+static int sev_ioctl_do_platform_status(struct sev_issue_cmd *argp)
+{
+ struct sev_user_data_status *data = &psp_master->status_cmd_buf;
+ int ret;
+
+ ret = __sev_do_cmd_locked(SEV_CMD_PLATFORM_STATUS, data, &argp->error);
+ if (ret)
+ return ret;
+
+ if (copy_to_user((void __user *)argp->data, data, sizeof(*data)))
+ ret = -EFAULT;
+
+ return ret;
+}
+
static long sev_ioctl(struct file *file, unsigned int ioctl, unsigned long arg)
{
void __user *argp = (void __user *)arg;
@@ -299,6 +314,9 @@ static long sev_ioctl(struct file *file, unsigned int ioctl, unsigned long arg)
case SEV_FACTORY_RESET:
ret = sev_ioctl_do_reset(&input);
break;
+ case SEV_PLATFORM_STATUS:
+ ret = sev_ioctl_do_platform_status(&input);
+ break;
default:
ret = -EINVAL;
goto out;