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gpu: nvgpu: support for hwpm context switching

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Add support for hwpm context switching

Bug 1648200

Change-Id: I482899bf165cd2ef24bb8617be16df01218e462f
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1120450
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Peter Daifuku
2016-03-09 19:10:20 -08:00
committed by Terje Bergstrom
parent 6675c03603
commit 37155b65f1
12 changed files with 849 additions and 65 deletions
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14
include/uapi/linux/nvgpu.h
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@@ -647,8 +647,20 @@ struct nvgpu_dbg_gpu_set_next_stop_trigger_type_args {
_IOWR(NVGPU_DBG_GPU_IOCTL_MAGIC, 12, struct nvgpu_dbg_gpu_set_next_stop_trigger_type_args)
/* PM Context Switch Mode */
#define NVGPU_DBG_GPU_HWPM_CTXSW_MODE_NO_CTXSW (0x00000000)
#define NVGPU_DBG_GPU_HWPM_CTXSW_MODE_CTXSW (0x00000001)
struct nvgpu_dbg_gpu_hwpm_ctxsw_mode_args {
__u32 mode;
__u32 reserved;
};
#define NVGPU_DBG_GPU_IOCTL_HWPM_CTXSW_MODE \
_IOWR(NVGPU_DBG_GPU_IOCTL_MAGIC, 13, struct nvgpu_dbg_gpu_hwpm_ctxsw_mode_args)
#define NVGPU_DBG_GPU_IOCTL_LAST \
_IOC_NR(NVGPU_DBG_GPU_IOCTL_SET_NEXT_STOP_TRIGGER_TYPE)
_IOC_NR(NVGPU_DBG_GPU_IOCTL_HWPM_CTXSW_MODE)
#define NVGPU_DBG_GPU_IOCTL_MAX_ARG_SIZE \
sizeof(struct nvgpu_dbg_gpu_perfbuf_map_args)