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gpu: nvgpu: Add new api for setting longer timeslice on dbg node

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Add new ioctl api for setting longer timeslice and get timeslice
inside 'dbg' dev node.
Update ioctl gpu_get_characteristic to pass the max timeslice value
Add debugfs to access and change the max timeslice value

Bug 1842244

Change-Id: I7e80f59162cf5d90496f9752fc128f5fa8dcc7d2
Signed-off-by: Mayur Poojary <mpoojary@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2471569
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Mayur Poojary
2021-01-17 21:16:51 -08:00
committed by mobile promotions
parent 0335fa69ec
commit 6277d57936
26 changed files with 226 additions and 11 deletions
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10
include/uapi/linux/nvgpu.h
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@@ -502,8 +502,16 @@ struct nvgpu_dbg_gpu_get_gr_context_args {
_IOW(NVGPU_DBG_GPU_IOCTL_MAGIC, 28, \
struct nvgpu_dbg_gpu_get_gr_context_args)
#define NVGPU_DBG_GPU_IOCTL_TSG_SET_TIMESLICE \
_IOW(NVGPU_DBG_GPU_IOCTL_MAGIC, 29, \
struct nvgpu_timeslice_args)
#define NVGPU_DBG_GPU_IOCTL_TSG_GET_TIMESLICE \
_IOR(NVGPU_DBG_GPU_IOCTL_MAGIC, 30, \
struct nvgpu_timeslice_args)
#define NVGPU_DBG_GPU_IOCTL_LAST \
_IOC_NR(NVGPU_DBG_GPU_IOCTL_GET_GR_CONTEXT)
_IOC_NR(NVGPU_DBG_GPU_IOCTL_TSG_GET_TIMESLICE)
#define NVGPU_DBG_GPU_IOCTL_MAX_ARG_SIZE \
sizeof(struct nvgpu_dbg_gpu_access_fb_memory_args)