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gpu: nvgpu: Add ioctl to create new TSG

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Add ioctl to nvhost-ctrl to create a new TSG.

Bug 200042993

Change-Id: Icdd0edb1d9e374740ace6da9eb3a10c57c62617a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Terje Bergstrom
2014-10-15 10:27:52 +03:00
committed by Dan Willemsen
parent 3f3844a11c
commit 3446d89539
4 changed files with 75 additions and 6 deletions
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9
include/uapi/linux/nvgpu.h
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@@ -181,6 +181,11 @@ struct nvgpu_alloc_as_args {
__u64 reserved; /* must be zero */
};
struct nvgpu_gpu_open_tsg_args {
__u32 tsg_fd; /* out, tsg fd */
__u32 reserved; /* must be zero */
};
#define NVGPU_GPU_IOCTL_ZCULL_GET_CTX_SIZE \
_IOR(NVGPU_GPU_IOCTL_MAGIC, 1, struct nvgpu_gpu_zcull_get_ctx_size_args)
#define NVGPU_GPU_IOCTL_ZCULL_GET_INFO \
@@ -197,9 +202,11 @@ struct nvgpu_alloc_as_args {
_IOWR(NVGPU_GPU_IOCTL_MAGIC, 7, struct nvgpu_gpu_mark_compressible_write_args)
#define NVGPU_GPU_IOCTL_ALLOC_AS \
_IOWR(NVGPU_GPU_IOCTL_MAGIC, 8, struct nvgpu_alloc_as_args)
#define NVGPU_GPU_IOCTL_OPEN_TSG \
_IOWR(NVGPU_GPU_IOCTL_MAGIC, 9, struct nvgpu_gpu_open_tsg_args)
#define NVGPU_GPU_IOCTL_LAST \
_IOC_NR(NVGPU_GPU_IOCTL_ALLOC_AS)
_IOC_NR(NVGPU_GPU_IOCTL_OPEN_TSG)
#define NVGPU_GPU_IOCTL_MAX_ARG_SIZE \
sizeof(struct nvgpu_gpu_prepare_compressible_read_args)