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gpu: nvgpu: add ctxsw channel reset event

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Generate a ctxsw channel reset when engine needs to be reset.
This event is generated by the driver, while other events are
generated by FECS.

JIRA ELVR-314

Change-Id: I7791cf3e538782464c37c442c871acb177484566
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1129029
(cherry picked from commit 114038a1a5d9e8941bc53f3e95115b01dd1f8c6e)
Reviewed-on: http://git-master/r/1134379
(cherry picked from commit 15fa2a7b48a0937dfd449ca0c4ed5ad3a863d6bf)
Reviewed-on: http://git-master/r/1123916
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Thomas Fleury
2016-04-11 17:06:20 -07:00
committed by Terje Bergstrom
parent a21dcf0bc6
commit 4df6cd4a34
6 changed files with 55 additions and 6 deletions
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include/uapi/linux/nvgpu.h
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@@ -1367,6 +1367,7 @@ struct nvgpu_as_map_buffer_batch_args {
#define NVGPU_CTXSW_TAG_SAVE_END 0x03
#define NVGPU_CTXSW_TAG_RESTORE_START 0x04
#define NVGPU_CTXSW_TAG_CONTEXT_START 0x05
#define NVGPU_CTXSW_TAG_RESET 0xfe
#define NVGPU_CTXSW_TAG_INVALID_TIMESTAMP 0xff
#define NVGPU_CTXSW_TAG_LAST \
NVGPU_CTXSW_TAG_INVALID_TIMESTAMP