Commit 65a3f5bc authored by Ariel Aviad's avatar Ariel Aviad Committed by Koby Elbaz
Browse files

accel/habanalabs: add HL_GET_P_STATE passthrough type 



Add a new passthrough type HL_GET_P_STATE to the cpucp generic ioctl
to allow userspace to read the device performance state via firmware.

Signed-off-by: default avatarAriel Aviad <ariel.aviad@intel.com>
Reviewed-by: default avatarKoby Elbaz <koby.elbaz@intel.com>
Signed-off-by: default avatarKoby Elbaz <koby.elbaz@intel.com>
parent eeb38d0e

drivers/accel/habanalabs/common/habanalabs_ioctl.c

+3 −0
Original line number Diff line number Diff line
@@ -964,6 +964,9 @@ static int send_fw_generic_request(struct hl_device *hdev, struct hl_info_args * 
	case  HL_GET_ERR_COUNTERS_CMD:

		need_input_buff = true;

		break;

	case HL_GET_P_STATE:

		need_input_buff = false;

		break;

	default:

		return -EINVAL;

	}

include/linux/habanalabs/cpucp_if.h

+2 −0
Original line number Diff line number Diff line
@@ -1426,10 +1426,12 @@ struct cpucp_monitor_dump { 
 *

 * HL_PASSTHROUGHT_VERSIONS	- Fetch all firmware versions.

 * HL_GET_ERR_COUNTERS_CMD	- Command to get error counters

 * HL_GET_P_STATE		- get performance state

 */

enum hl_passthrough_type {

	HL_PASSTHROUGH_VERSIONS,

	HL_GET_ERR_COUNTERS_CMD,

	HL_GET_P_STATE,

};



#endif /* CPUCP_IF_H */