linux-stable/drivers/gpu/drm/xe/xe_guc_engine_types.h

53 lines
1.4 KiB
C

/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2022 Intel Corporation
*/
#ifndef _XE_GUC_ENGINE_TYPES_H_
#define _XE_GUC_ENGINE_TYPES_H_
#include <linux/spinlock.h>
#include <linux/workqueue.h>
#include "xe_gpu_scheduler_types.h"
struct dma_fence;
struct xe_engine;
/**
* struct xe_guc_engine - GuC specific state for an xe_engine
*/
struct xe_guc_engine {
/** @engine: Backpointer to parent xe_engine */
struct xe_engine *engine;
/** @sched: GPU scheduler for this xe_engine */
struct xe_gpu_scheduler sched;
/** @entity: Scheduler entity for this xe_engine */
struct xe_sched_entity entity;
/**
* @static_msgs: Static messages for this xe_engine, used when a message
* needs to sent through the GPU scheduler but memory allocations are
* not allowed.
*/
#define MAX_STATIC_MSG_TYPE 3
struct xe_sched_msg static_msgs[MAX_STATIC_MSG_TYPE];
/** @fini_async: do final fini async from this worker */
struct work_struct fini_async;
/** @resume_time: time of last resume */
u64 resume_time;
/** @state: GuC specific state for this xe_engine */
atomic_t state;
/** @wqi_head: work queue item tail */
u32 wqi_head;
/** @wqi_tail: work queue item tail */
u32 wqi_tail;
/** @id: GuC id for this xe_engine */
u16 id;
/** @suspend_wait: wait queue used to wait on pending suspends */
wait_queue_head_t suspend_wait;
/** @suspend_pending: a suspend of the engine is pending */
bool suspend_pending;
};
#endif