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habanalabs: allow fail on inability to respect hint

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A new user flag is required to make memory map hint mandatory, in
contrast to the current situation where it is best effort.
This is due to the requirement to map certain data to specific
pre-determined device virtual address ranges.

Signed-off-by: Yuri Nudelman <ynudelman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Yuri Nudelman
2021-06-03 17:51:58 +03:00
committed by Oded Gabbay
parent 1ae32b9094
commit 486e19795f
2 changed files with 43 additions and 3 deletions
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include/uapi/misc/habanalabs.h
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@@ -813,6 +813,7 @@ union hl_wait_cs_args {
#define HL_MEM_CONTIGUOUS 0x1
#define HL_MEM_SHARED 0x2
#define HL_MEM_USERPTR 0x4
#define HL_MEM_FORCE_HINT 0x8
struct hl_mem_in {
union {