From 65a3f5bc331ca7384900641b46cadff63805c10e Mon Sep 17 00:00:00 2001 From: Ariel Aviad Date: Tue, 24 Sep 2024 11:02:49 +0300 Subject: [PATCH] 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: Ariel Aviad Reviewed-by: Koby Elbaz Signed-off-by: Koby Elbaz --- drivers/accel/habanalabs/common/habanalabs_ioctl.c | 3 +++ include/linux/habanalabs/cpucp_if.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/accel/habanalabs/common/habanalabs_ioctl.c b/drivers/accel/habanalabs/common/habanalabs_ioctl.c index ed0dee5aa9be..fdfdabc85e54 100644 --- a/drivers/accel/habanalabs/common/habanalabs_ioctl.c +++ b/drivers/accel/habanalabs/common/habanalabs_ioctl.c @@ -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; } diff --git a/include/linux/habanalabs/cpucp_if.h b/include/linux/habanalabs/cpucp_if.h index 29c50e7427d1..45f181bcf890 100644 --- a/include/linux/habanalabs/cpucp_if.h +++ b/include/linux/habanalabs/cpucp_if.h @@ -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 */ -- 2.51.0