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| author |   Oded Gabbay <oded.gabbay@gmail.com> | 2019-03-07 14:20:05 +0200 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2019-03-07 14:20:05 +0200 |
| commit | e1266004872c837db4ed8a72f066820ebb5d5353 (patch) | |
| tree | 341e3ecdea71404ea7aa63b7af261780cf45c0c2 /include/uapi/misc | |
| parent | habanalabs: Remove unneeded function pointers (diff) | |
| download | linux-dev-e1266004872c837db4ed8a72f066820ebb5d5353.tar.xz linux-dev-e1266004872c837db4ed8a72f066820ebb5d5353.zip | |
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>
Diffstat (limited to 'include/uapi/misc')
| -rw-r--r-- | include/uapi/misc/habanalabs.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/uapi/misc/habanalabs.h b/include/uapi/misc/habanalabs.h index 7fd6f633534c..ab1957e31077 100644 --- a/include/uapi/misc/habanalabs.h +++ b/include/uapi/misc/habanalabs.h @@ -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; |