diff options
Diffstat (limited to 'include/uapi/misc')
| -rw-r--r-- | include/uapi/misc/habanalabs.h | 49 |
1 files changed, 34 insertions, 15 deletions
diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h index 266bf85056d4..73ee212d7fa6 100644 --- a/include/uapi/misc/habanalabs.h +++ b/include/uapi/misc/habanalabs.h @@ -77,22 +77,29 @@ enum hl_device_status { /* Opcode for management ioctl * - * HW_IP_INFO - Receive information about different IP blocks in the - * device. - * HL_INFO_HW_EVENTS - Receive an array describing how many times each event - * occurred since the last hard reset. - * HL_INFO_DRAM_USAGE - Retrieve the dram usage inside the device and of the - * specific context. This is relevant only for GOYA device. - * HL_INFO_HW_IDLE - Retrieve information about the idle status of each - * internal engine. + * HW_IP_INFO - Receive information about different IP blocks in the + * device. + * HL_INFO_HW_EVENTS - Receive an array describing how many times each event + * occurred since the last hard reset. + * HL_INFO_DRAM_USAGE - Retrieve the dram usage inside the device and of the + * specific context. This is relevant only for devices + * where the dram is managed by the kernel driver + * HL_INFO_HW_IDLE - Retrieve information about the idle status of each + * internal engine. * HL_INFO_DEVICE_STATUS - Retrieve the device's status. This opcode doesn't * require an open context. + * HL_INFO_DEVICE_UTILIZATION - Retrieve the total utilization of the device + * over the last period specified by the user. + * The period can be between 100ms to 1s, in + * resolution of 100ms. The return value is a + * percentage of the utilization rate. */ -#define HL_INFO_HW_IP_INFO 0 -#define HL_INFO_HW_EVENTS 1 -#define HL_INFO_DRAM_USAGE 2 -#define HL_INFO_HW_IDLE 3 -#define HL_INFO_DEVICE_STATUS 4 +#define HL_INFO_HW_IP_INFO 0 +#define HL_INFO_HW_EVENTS 1 +#define HL_INFO_DRAM_USAGE 2 +#define HL_INFO_HW_IDLE 3 +#define HL_INFO_DEVICE_STATUS 4 +#define HL_INFO_DEVICE_UTILIZATION 6 #define HL_INFO_VERSION_MAX_LEN 128 @@ -134,6 +141,11 @@ struct hl_info_device_status { __u32 pad; }; +struct hl_info_device_utilization { + __u32 utilization; + __u32 pad; +}; + struct hl_info_args { /* Location of relevant struct in userspace */ __u64 return_pointer; @@ -149,8 +161,15 @@ struct hl_info_args { /* HL_INFO_* */ __u32 op; - /* Context ID - Currently not in use */ - __u32 ctx_id; + union { + /* Context ID - Currently not in use */ + __u32 ctx_id; + /* Period value for utilization rate (100ms - 1000ms, in 100ms + * resolution. + */ + __u32 period_ms; + }; + __u32 pad; }; |