nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-22 17:36:20 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: Add uapi support for NVGPU_GPU_IOCTL_GET_ENGINE_INFO

Browse Source 
Implement NVGPU_GPU_IOCTL_GET_ENGINE_INFO for retrieving the
list of supported engines and their corresponding run list id:s.

JIRA DNVGPU-25

Change-Id: I8703388660190f7dcb509c0676f283ca4b820b6f
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1160939
Reviewed-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Lakshmanan M
2016-06-08 12:28:25 +05:30
committed by Terje Bergstrom
parent 7f6fede92c
commit 823ba42456
2 changed files with 99 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
include/uapi/linux/nvgpu.h
View File

@@ -394,6 +394,33 @@ struct nvgpu_gpu_get_gpu_time_args {
__u64 reserved;
};
struct nvgpu_gpu_get_engine_info_item {
#define NVGPU_GPU_ENGINE_ID_GR 0
#define NVGPU_GPU_ENGINE_ID_GR_COPY 1
#define NVGPU_GPU_ENGINE_ID_ASYNC_COPY 2
__u32 engine_id;
__u32 engine_instance;
/* runlist id for opening channels to the engine, or -1 if
* channels are not supported */
__s32 runlist_id;
__u32 reserved;
};
struct nvgpu_gpu_get_engine_info_args {
/* [in] Buffer size reserved by userspace.
*
* [out] Full kernel buffer size. Multiple of sizeof(struct
* nvgpu_gpu_get_engine_info_item)
*/
__u32 engine_info_buf_size;
__u32 reserved;
__u64 engine_info_buf_addr;
};
#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 \
@@ -446,8 +473,11 @@ struct nvgpu_gpu_get_gpu_time_args {
#define NVGPU_GPU_IOCTL_GET_GPU_TIME \
_IOWR(NVGPU_GPU_IOCTL_MAGIC, 25, \
struct nvgpu_gpu_get_gpu_time_args)
#define NVGPU_GPU_IOCTL_GET_ENGINE_INFO \
_IOWR(NVGPU_GPU_IOCTL_MAGIC, 26, \
struct nvgpu_gpu_get_engine_info_args)
#define NVGPU_GPU_IOCTL_LAST \
_IOC_NR(NVGPU_GPU_IOCTL_GET_GPU_TIME)
_IOC_NR(NVGPU_GPU_IOCTL_GET_ENGINE_INFO)
#define NVGPU_GPU_IOCTL_MAX_ARG_SIZE \
sizeof(struct nvgpu_gpu_get_cpu_time_correlation_info_args)