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gpu: nvgpu: add TSG support to channel event id

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Add NVGPU_IOCTL_TSG_EVENT_ID_CTRL API for channel
event id support to TSGs

This API will accept an event_id (like BPT.INT or
BPT.PAUSE), a command to enable
the event, and return a file descriptor on which
we can raise the event (if cmd=enable)

Events generated for TSGs will reuse file
operations "gk20a_event_id_ops"

Bug 200089620

Change-Id: I2f563c6d3a0988eb670caac2d3c7c6795724792c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1030776
(cherry picked from commit 72b61fa266279038f013e582be80c21808e1038d)
Reviewed-on: http://git-master/r/1120319
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
This commit is contained in:
Deepak Nibade
2016-03-21 19:58:28 +05:30
committed by Terje Bergstrom
parent e87ba53235
commit 5f10073540
5 changed files with 152 additions and 5 deletions
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8
include/uapi/linux/nvgpu.h
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@@ -448,11 +448,15 @@ struct nvgpu_gpu_get_cpu_time_correlation_info_args {
_IO(NVGPU_TSG_IOCTL_MAGIC, 5)
#define NVGPU_IOCTL_TSG_SET_PRIORITY \
_IOW(NVGPU_TSG_IOCTL_MAGIC, 6, struct nvgpu_set_priority_args)
#define NVGPU_IOCTL_TSG_EVENT_ID_CTRL \
_IOWR(NVGPU_TSG_IOCTL_MAGIC, 7, struct nvgpu_event_id_ctrl_args)
#define NVGPU_TSG_IOCTL_MAX_ARG_SIZE \
sizeof(struct nvgpu_set_priority_args)
sizeof(struct nvgpu_event_id_ctrl_args)
#define NVGPU_TSG_IOCTL_LAST \
_IOC_NR(NVGPU_IOCTL_TSG_SET_PRIORITY)
_IOC_NR(NVGPU_IOCTL_TSG_EVENT_ID_CTRL)
/*
* /dev/nvhost-dbg-gpu device
*