habanalabs: Add busy engines bitmask to HW idle IOCTL

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.

Tomer Tayar committed 7 years ago

Commit e8960ca1 parent 06deb865 files · +43 −6Browse files

Showing the changes to include/uapi (1 of 5 files). Show all

Unified · Split

include/uapi/misc/habanalabs.h+29−1

@@ -45,6 +45,30 @@ enum goya_queue_id { · 44 unmodified lines
45	45	GOYA_QUEUE_ID_SIZE
46	46	};
47	47
	48	+/*
	49	+ * Engine Numbering
	50	+ *
	51	+ * Used in the "busy_engines_mask" field in `struct hl_info_hw_idle'
	52	+ */
	53	+
	54	+enum goya_engine_id {
	55	+ GOYA_ENGINE_ID_DMA_0 = 0,
	56	+ GOYA_ENGINE_ID_DMA_1,
	57	+ GOYA_ENGINE_ID_DMA_2,
	58	+ GOYA_ENGINE_ID_DMA_3,
	59	+ GOYA_ENGINE_ID_DMA_4,
	60	+ GOYA_ENGINE_ID_MME_0,
	61	+ GOYA_ENGINE_ID_TPC_0,
	62	+ GOYA_ENGINE_ID_TPC_1,
	63	+ GOYA_ENGINE_ID_TPC_2,
	64	+ GOYA_ENGINE_ID_TPC_3,
	65	+ GOYA_ENGINE_ID_TPC_4,
	66	+ GOYA_ENGINE_ID_TPC_5,
	67	+ GOYA_ENGINE_ID_TPC_6,
	68	+ GOYA_ENGINE_ID_TPC_7,
	69	+ GOYA_ENGINE_ID_SIZE
	70	+};
	71	+
48	72	enum hl_device_status {
49	73	HL_DEVICE_STATUS_OPERATIONAL,
50	74	HL_DEVICE_STATUS_IN_RESET,
@@ -86,7 +110,11 @@ struct hl_info_dram_usage { · 35 unmodified lines
86	110
87	111	struct hl_info_hw_idle {
88	112	__u32 is_idle;
89		− __u32 pad;
	113	+ /*
	114	+ * Bitmask of busy engines.
	115	+ * Bits definition is according to `enum <chip>_enging_id'.
	116	+ */
	117	+ __u32 busy_engines_mask;
90	118	};
91	119
92	120	struct hl_info_device_status {