mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
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77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/*
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* Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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* Event session
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*
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* NVGPU_GPU_IOCTL_GET_EVENT_FD opens an event session.
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* Below ioctls can be used on these sessions fds.
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*/
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#ifndef _UAPI__LINUX_NVGPU_EVENT_H__
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#define _UAPI__LINUX_NVGPU_EVENT_H__
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#include "nvgpu-uapi-common.h"
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#define NVGPU_EVENT_IOCTL_MAGIC 'E'
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/* Normal events (POLLIN) */
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/* Event associated to a VF update */
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#define NVGPU_GPU_EVENT_VF_UPDATE 0
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/* Recoverable alarms (POLLPRI) */
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/* Alarm when target frequency on any session is not possible */
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#define NVGPU_GPU_EVENT_ALARM_TARGET_VF_NOT_POSSIBLE 1
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/* Alarm when target frequency on current session is not possible */
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#define NVGPU_GPU_EVENT_ALARM_LOCAL_TARGET_VF_NOT_POSSIBLE 2
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/* Alarm when Clock Arbiter failed */
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#define NVGPU_GPU_EVENT_ALARM_CLOCK_ARBITER_FAILED 3
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/* Alarm when VF table update failed */
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#define NVGPU_GPU_EVENT_ALARM_VF_TABLE_UPDATE_FAILED 4
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/* Alarm on thermal condition */
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#define NVGPU_GPU_EVENT_ALARM_THERMAL_ABOVE_THRESHOLD 5
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/* Alarm on power condition */
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#define NVGPU_GPU_EVENT_ALARM_POWER_ABOVE_THRESHOLD 6
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/* Non recoverable alarm (POLLHUP) */
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/* Alarm on GPU shutdown/fall from bus */
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#define NVGPU_GPU_EVENT_ALARM_GPU_LOST 7
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#define NVGPU_GPU_EVENT_LAST NVGPU_GPU_EVENT_ALARM_GPU_LOST
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struct nvgpu_gpu_event_info {
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__u32 event_id; /* NVGPU_GPU_EVENT_* */
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__u32 reserved;
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__u64 timestamp; /* CPU timestamp (in nanoseconds) */
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};
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struct nvgpu_gpu_set_event_filter_args {
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/* in: Flags (not currently used). */
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__u32 flags;
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/* in: Size of event filter in 32-bit words */
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__u32 size;
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/* in: Address of buffer containing bit mask of events.
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* Bit #n is set if event #n should be monitored.
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*/
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__u64 buffer;
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};
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#define NVGPU_EVENT_IOCTL_SET_FILTER \
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_IOW(NVGPU_EVENT_IOCTL_MAGIC, 1, struct nvgpu_gpu_set_event_filter_args)
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#define NVGPU_EVENT_IOCTL_LAST \
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_IOC_NR(NVGPU_EVENT_IOCTL_SET_FILTER)
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#define NVGPU_EVENT_IOCTL_MAX_ARG_SIZE \
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sizeof(struct nvgpu_gpu_set_event_filter_args)
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#endif
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