drivers/gpu/drm/xe/xe_guc_exec_queue_types.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/xe/xe_guc_exec_queue_types.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/xe/xe_guc_exec_queue_types.h
Extension
.h
Size
1912 bytes
Lines
70
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct xe_guc_exec_queue {
	/** @q: Backpointer to parent xe_exec_queue */
	struct xe_exec_queue *q;
	/** @rcu: For safe freeing of exported dma fences */
	struct rcu_head rcu;
	/** @sched: GPU scheduler for this xe_exec_queue */
	struct xe_gpu_scheduler sched;
	/** @entity: Scheduler entity for this xe_exec_queue */
	struct xe_sched_entity entity;
	/**
	 * @static_msgs: Static messages for this xe_exec_queue, 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];
	/** @destroy_async: do final destroy async from this worker */
	struct work_struct destroy_async;
	/** @resume_time: time of last resume */
	u64 resume_time;
	/** @state: GuC specific state for this xe_exec_queue */
	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 exec_queue */
	u16 id;
	/** @suspend_wait: wait queue used to wait on pending suspends */
	wait_queue_head_t suspend_wait;
	/** @suspend_pending: a suspend of the exec_queue is pending */
	bool suspend_pending;
	/**
	 * @needs_cleanup: Needs a cleanup message during VF post migration
	 * recovery.
	 */
	bool needs_cleanup;
	/**
	 * @needs_suspend: Needs a suspend message during VF post migration
	 * recovery.
	 */
	bool needs_suspend;
	/**
	 * @needs_resume: Needs a resume message during VF post migration
	 * recovery.
	 */
	bool needs_resume;
};

#endif

Annotation

Implementation Notes