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gpu: nvgpu: add ioctls to get current timeslice

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Add the following ioctls
- NVGPU_CHANNEL_IOCTL_GET_TIMESLICE for channel timeslice in us
- NVGPU_TSG_IOCTL_GET_TIMESLICE for TSG timeslice in us

If timeslice has not been set explicitly, ioctl returns the
default timeslice that will be used when programming the runlist
entry.

Bug 1883271

Change-Id: Ib18fdd836323b1a2d4efceb1e27d07713bd6fca5
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1469040
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Thomas Fleury
2017-04-19 16:47:13 -07:00
committed by mobile promotions
parent a823c72219
commit b03afb6d5c
13 changed files with 77 additions and 6 deletions
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8
include/uapi/linux/nvgpu.h
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@@ -968,11 +968,13 @@ struct nvgpu_gpu_set_event_filter_args {
_IOW(NVGPU_TSG_IOCTL_MAGIC, 8, struct nvgpu_runlist_interleave_args)
#define NVGPU_IOCTL_TSG_SET_TIMESLICE \
_IOW(NVGPU_TSG_IOCTL_MAGIC, 9, struct nvgpu_timeslice_args)
#define NVGPU_IOCTL_TSG_GET_TIMESLICE \
_IOR(NVGPU_TSG_IOCTL_MAGIC, 10, struct nvgpu_timeslice_args)
#define NVGPU_TSG_IOCTL_MAX_ARG_SIZE \
sizeof(struct nvgpu_event_id_ctrl_args)
#define NVGPU_TSG_IOCTL_LAST \
_IOC_NR(NVGPU_IOCTL_TSG_SET_TIMESLICE)
_IOC_NR(NVGPU_IOCTL_TSG_GET_TIMESLICE)
/*
@@ -1632,9 +1634,11 @@ struct nvgpu_boosted_ctx_args {
_IOW(NVGPU_IOCTL_MAGIC, 123, struct nvgpu_alloc_gpfifo_ex_args)
#define NVGPU_IOCTL_CHANNEL_SET_BOOSTED_CTX \
_IOW(NVGPU_IOCTL_MAGIC, 124, struct nvgpu_boosted_ctx_args)
#define NVGPU_IOCTL_CHANNEL_GET_TIMESLICE \
_IOW(NVGPU_IOCTL_MAGIC, 125, struct nvgpu_timeslice_args)
#define NVGPU_IOCTL_CHANNEL_LAST \
_IOC_NR(NVGPU_IOCTL_CHANNEL_SET_BOOSTED_CTX)
_IOC_NR(NVGPU_IOCTL_CHANNEL_GET_TIMESLICE)
#define NVGPU_IOCTL_CHANNEL_MAX_ARG_SIZE sizeof(struct nvgpu_alloc_gpfifo_ex_args)
/*