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include: uapi: nvgpu: add flag for IO coherence

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Add below flag for struct nvgpu_as_map_buffer_ex_args
to specify IO coherence
NVGPU_AS_MAP_BUFFER_FLAGS_IO_COHERENT

Bug 1605653

Change-Id: Id5c8195c37c48cff7ec013c6b4b4d9168d972b8e
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/713104
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Deepak Nibade
2015-03-03 14:40:09 +05:30
parent e3dcb7546a
commit 022d8a602c
1 changed files with 6 additions and 0 deletions
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6
include/uapi/linux/nvgpu-t18x.h
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@@ -27,6 +27,12 @@
#define NVGPU_GPU_ARCH_GP100 0x00000130
#define NVGPU_GPU_IMPL_GP10B 0x0000000B
/*
* this flag is used in struct nvgpu_as_map_buffer_ex_args
* to specify IO coherence
*/
#define NVGPU_AS_MAP_BUFFER_FLAGS_IO_COHERENT (1 << 4)
#endif /* _UAPI__LINUX_NVGPU_T18X_IOCTL_H_ */