Commit f337043b authored by Davidlohr Bueso's avatar Davidlohr Bueso Committed by Dan Williams
Browse files

cxl/test: Add Secure Erase opcode support 



Add support to emulate the CXL the "Secure Erase" operation.

Reviewed-by: default avatarDave Jiang <dave.jiang@intel.com>
Reviewed-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: default avatarDavidlohr Bueso <dave@stgolabs.net>
Link: https://lore.kernel.org/r/20230612181038.14421-8-dave@stgolabs.net


Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 180ffd33

tools/testing/cxl/test/mem.c

+27 −0
Original line number Diff line number Diff line
@@ -557,6 +557,30 @@ static int mock_sanitize(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd) 
	return 0; /* assume less than 2 secs, no bg */

}



static int mock_secure_erase(struct cxl_dev_state *cxlds,

			     struct cxl_mbox_cmd *cmd)

{

	struct cxl_mockmem_data *mdata = dev_get_drvdata(cxlds->dev);



	if (cmd->size_in != 0)

		return -EINVAL;



	if (cmd->size_out != 0)

		return -EINVAL;



	if (mdata->security_state & CXL_PMEM_SEC_STATE_USER_PASS_SET) {

		cmd->return_code = CXL_MBOX_CMD_RC_SECURITY;

		return -ENXIO;

	}



	if (mdata->security_state & CXL_PMEM_SEC_STATE_LOCKED) {

		cmd->return_code = CXL_MBOX_CMD_RC_SECURITY;

		return -ENXIO;

	}



	return 0;

}



static int mock_get_security_state(struct cxl_dev_state *cxlds,

				   struct cxl_mbox_cmd *cmd)

{
@@ -1178,6 +1202,9 @@ static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd * 
	case CXL_MBOX_OP_SANITIZE:

		rc = mock_sanitize(cxlds, cmd);

		break;

	case CXL_MBOX_OP_SECURE_ERASE:

		rc = mock_secure_erase(cxlds, cmd);

		break;

	case CXL_MBOX_OP_GET_SECURITY_STATE:

		rc = mock_get_security_state(cxlds, cmd);

		break;