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habanalabs: add support for cs with timestamp

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add support for user to request a timestamp upon
cs completion.

Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Ofir Bitton
2020-11-10 17:26:22 +02:00
committed by Oded Gabbay
parent 9d127ad571
commit bd2f477f20
3 changed files with 41 additions and 13 deletions
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include/uapi/misc/habanalabs.h
+5 -1
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@@ -592,6 +592,7 @@ struct hl_cs_chunk {
#define HL_CS_FLAGS_SIGNAL 0x2
#define HL_CS_FLAGS_WAIT 0x4
#define HL_CS_FLAGS_COLLECTIVE_WAIT 0x8
#define HL_CS_FLAGS_TIMESTAMP 0x20
#define HL_CS_STATUS_SUCCESS 0
@@ -662,13 +663,16 @@ struct hl_wait_cs_in {
#define HL_WAIT_CS_STATUS_ABORTED 3
#define HL_WAIT_CS_STATUS_INTERRUPTED 4
#define HL_WAIT_CS_STATUS_FLAG_GONE 0x1
#define HL_WAIT_CS_STATUS_FLAG_GONE 0x1
#define HL_WAIT_CS_STATUS_FLAG_TIMESTAMP_VLD 0x2
struct hl_wait_cs_out {
/* HL_WAIT_CS_STATUS_* */
__u32 status;
/* HL_WAIT_CS_STATUS_FLAG* */
__u32 flags;
/* valid only if HL_WAIT_CS_STATUS_FLAG_TIMESTAMP_VLD is set */
__s64 timestamp_nsec;
};
union hl_wait_cs_args {