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habanalabs: Add busy engines bitmask to HW idle IOCTL

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The information which is currently provided as a response to the
"HL_INFO_HW_IDLE" IOCTL is merely a general boolean value.
This patch extends it and provides also a bitmask that indicates which
of the device engines are busy.

Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Tomer Tayar
2019-07-01 13:59:45 +00:00
committed by Oded Gabbay
parent 06deb86a74
commit e8960ca06b
5 changed files with 43 additions and 6 deletions
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include/uapi/misc/habanalabs.h
+29 -1
View File
@@ -45,6 +45,30 @@ enum goya_queue_id {
GOYA_QUEUE_ID_SIZE
};
/*
* Engine Numbering
*
* Used in the "busy_engines_mask" field in `struct hl_info_hw_idle'
*/
enum goya_engine_id {
GOYA_ENGINE_ID_DMA_0 = 0,
GOYA_ENGINE_ID_DMA_1,
GOYA_ENGINE_ID_DMA_2,
GOYA_ENGINE_ID_DMA_3,
GOYA_ENGINE_ID_DMA_4,
GOYA_ENGINE_ID_MME_0,
GOYA_ENGINE_ID_TPC_0,
GOYA_ENGINE_ID_TPC_1,
GOYA_ENGINE_ID_TPC_2,
GOYA_ENGINE_ID_TPC_3,
GOYA_ENGINE_ID_TPC_4,
GOYA_ENGINE_ID_TPC_5,
GOYA_ENGINE_ID_TPC_6,
GOYA_ENGINE_ID_TPC_7,
GOYA_ENGINE_ID_SIZE
};
enum hl_device_status {
HL_DEVICE_STATUS_OPERATIONAL,
HL_DEVICE_STATUS_IN_RESET,
@@ -86,7 +110,11 @@ struct hl_info_dram_usage {
struct hl_info_hw_idle {
__u32 is_idle;
__u32 pad;
/*
* Bitmask of busy engines.
* Bits definition is according to `enum <chip>_enging_id'.
*/
__u32 busy_engines_mask;
};
struct hl_info_device_status {