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Subject[PATCH 10/15] uapi/habanalabs: add some comments in habanalabs.h
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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>
---
include/uapi/misc/habanalabs.h | 7 +++++--
1 file 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;
--
2.17.1
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