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uapi/habanalabs: add some comments in habanalabs.h 

This patch adds two comments in uapi/habanalabs.h:
- From which queue id the internal queues begin
- Invalid values that can be returned in the seq field from the CS IOCTL

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Oded Gabbay 2019-03-07 14:20:05 +02:00
parent 393e5b55e2
commit e126600487
1 changed files with 5 additions and 2 deletions
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7
include/uapi/misc/habanalabs.h
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@ -33,7 +33,7 @@ enum goya_queue_id {
GOYA_QUEUE_ID_DMA_3,
GOYA_QUEUE_ID_DMA_4,
GOYA_QUEUE_ID_CPU_PQ,
GOYA_QUEUE_ID_MME,
GOYA_QUEUE_ID_MME, /* Internal queues start here */
GOYA_QUEUE_ID_TPC0,
GOYA_QUEUE_ID_TPC1,
GOYA_QUEUE_ID_TPC2,
@ -181,7 +181,10 @@ struct hl_cs_in {
};
struct hl_cs_out {
/* this holds the sequence number of the CS to pass to wait ioctl */
/*
* seq holds the sequence number of the CS to pass to wait ioctl. All
* values are valid except for 0 and ULLONG_MAX
*/
__u64 seq;
/* HL_CS_STATUS_* */
__u32 status;