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habanalabs: allow user to pass a staged submission seq

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In order to support the staged submission feature, user must be
allowed to use the same CS sequence for all submissions in the
same staged submission.

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
2020-12-03 17:12:09 +02:00
committed by Oded Gabbay
parent ac6fdbfe2e
commit c209e74214
2 changed files with 30 additions and 14 deletions
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28
include/uapi/misc/habanalabs.h
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@@ -604,11 +604,14 @@ struct hl_cs_chunk {
};
/* SIGNAL and WAIT/COLLECTIVE_WAIT flags are mutually exclusive */
#define HL_CS_FLAGS_FORCE_RESTORE 0x1
#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_FLAGS_FORCE_RESTORE 0x1
#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_FLAGS_STAGED_SUBMISSION 0x40
#define HL_CS_FLAGS_STAGED_SUBMISSION_FIRST 0x80
#define HL_CS_FLAGS_STAGED_SUBMISSION_LAST 0x100
#define HL_CS_STATUS_SUCCESS 0
@@ -622,10 +625,17 @@ struct hl_cs_in {
/* holds address of array of hl_cs_chunk for execution phase */
__u64 chunks_execute;
/* this holds address of array of hl_cs_chunk for store phase -
* Currently not in use
*/
__u64 chunks_store;
union {
/* this holds address of array of hl_cs_chunk for store phase -
* Currently not in use
*/
__u64 chunks_store;
/* Sequence number of a staged submission CS
* valid only if HL_CS_FLAGS_STAGED_SUBMISSION is set
*/
__u64 seq;
};
/* Number of chunks in restore phase array. Maximum number is
* HL_MAX_JOBS_PER_CS