Commit fd35fdcb authored by Davidlohr Bueso's avatar Davidlohr Bueso Committed by Dan Williams
Browse files

cxl/test: Add mock test for set_timestamp 



Support the command testing in a unit-test fashion.

Reviewed-by: default avatarIra Weiny <ira.weiny@intel.com>
Signed-off-by: default avatarDavidlohr Bueso <dave@stgolabs.net>
Link: https://lore.kernel.org/r/20230423221231.6357-1-dave@stgolabs.net


Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent bfe58458

tools/testing/cxl/test/mem.c

+24 −0
Original line number Diff line number Diff line
@@ -116,6 +116,7 @@ struct cxl_mockmem_data { 
	int master_limit;

	struct mock_event_store mes;

	u8 event_buf[SZ_4K];

	u64 timestamp;

};



static struct mock_event_log *event_find_log(struct device *dev, int log_type)
@@ -379,6 +380,22 @@ struct cxl_event_mem_module mem_module = { 
	}

};



static int mock_set_timestamp(struct cxl_dev_state *cxlds,

			      struct cxl_mbox_cmd *cmd)

{

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

	struct cxl_mbox_set_timestamp_in *ts = cmd->payload_in;



	if (cmd->size_in != sizeof(*ts))

		return -EINVAL;



	if (cmd->size_out != 0)

		return -EINVAL;



	mdata->timestamp = le64_to_cpu(ts->timestamp);

	return 0;

}



static void cxl_mock_add_event_logs(struct mock_event_store *mes)

{

	put_unaligned_le16(CXL_GMER_VALID_CHANNEL | CXL_GMER_VALID_RANK,
@@ -1103,6 +1120,9 @@ static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd * 
	int rc = -EIO;



	switch (cmd->opcode) {

	case CXL_MBOX_OP_SET_TIMESTAMP:

		rc = mock_set_timestamp(cxlds, cmd);

		break;

	case CXL_MBOX_OP_GET_SUPPORTED_LOGS:

		rc = mock_gsl(cmd);

		break;
@@ -1232,6 +1252,10 @@ static int cxl_mock_mem_probe(struct platform_device *pdev) 
	if (rc)

		return rc;



	rc = cxl_set_timestamp(cxlds);

	if (rc)

		return rc;



	rc = cxl_dev_state_identify(cxlds);

	if (rc)

		return rc;