Commit 09eac2ca authored by Vishal Verma's avatar Vishal Verma Committed by Dan Williams
Browse files

tools/testing/cxl: add mock output for the GET_HEALTH_INFO command 



Add mocked health information for cxl_test memdevs. This allows
cxl-cli's 'list' command to display the canned health_info fields.

Cc: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: default avatarVishal Verma <vishal.l.verma@intel.com>
Link: https://lore.kernel.org/r/20211018051251.2289112-1-vishal.l.verma@intel.com


Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent a91bd789

tools/testing/cxl/test/mem.c

+49 −0
Original line number Diff line number Diff line
@@ -28,8 +28,24 @@ static struct cxl_cel_entry mock_cel[] = { 
		.opcode = cpu_to_le16(CXL_MBOX_OP_SET_LSA),

		.effect = cpu_to_le16(EFFECT(1) | EFFECT(2)),

	},

	{

		.opcode = cpu_to_le16(CXL_MBOX_OP_GET_HEALTH_INFO),

		.effect = cpu_to_le16(0),

	},

};



/* See CXL 2.0 Table 181 Get Health Info Output Payload */

struct cxl_mbox_health_info {

	u8 health_status;

	u8 media_status;

	u8 ext_status;

	u8 life_used;

	__le16 temperature;

	__le32 dirty_shutdowns;

	__le32 volatile_errors;

	__le32 pmem_errors;

} __packed;



static struct {

	struct cxl_mbox_get_supported_logs gsl;

	struct cxl_gsl_entry entry;
@@ -156,6 +172,36 @@ static int mock_set_lsa(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd) 
	return 0;

}



static int mock_health_info(struct cxl_dev_state *cxlds,

			    struct cxl_mbox_cmd *cmd)

{

	struct cxl_mbox_health_info health_info = {

		/* set flags for maint needed, perf degraded, hw replacement */

		.health_status = 0x7,

		/* set media status to "All Data Lost" */

		.media_status = 0x3,

		/*

		 * set ext_status flags for:

		 *  ext_life_used: normal,

		 *  ext_temperature: critical,

		 *  ext_corrected_volatile: warning,

		 *  ext_corrected_persistent: normal,

		 */

		.ext_status = 0x18,

		.life_used = 15,

		.temperature = cpu_to_le16(25),

		.dirty_shutdowns = cpu_to_le32(10),

		.volatile_errors = cpu_to_le32(20),

		.pmem_errors = cpu_to_le32(30),

	};



	if (cmd->size_out < sizeof(health_info))

		return -EINVAL;



	memcpy(cmd->payload_out, &health_info, sizeof(health_info));

	return 0;

}



static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd *cmd)

{

	struct device *dev = cxlds->dev;
@@ -177,6 +223,9 @@ static int cxl_mock_mbox_send(struct cxl_dev_state *cxlds, struct cxl_mbox_cmd * 
	case CXL_MBOX_OP_SET_LSA:

		rc = mock_set_lsa(cxlds, cmd);

		break;

	case CXL_MBOX_OP_GET_HEALTH_INFO:

		rc = mock_health_info(cxlds, cmd);

		break;

	default:

		break;

	}