/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2022 Intel Corporation
*/
#ifndef _XE_PREEMPT_FENCE_H_
#define _XE_PREEMPT_FENCE_H_
#include "xe_preempt_fence_types.h"
struct list_head;
struct dma_fence *
xe_preempt_fence_create(struct xe_exec_queue *q,
u64 context, u32 seqno);
struct xe_preempt_fence *xe_preempt_fence_alloc(void );
void xe_preempt_fence_free(struct xe_preempt_fence *pfence);
struct dma_fence *
xe_preempt_fence_arm(struct xe_preempt_fence *pfence, struct xe_exec_queue *q,
u64 context, u32 seqno);
static inline struct xe_preempt_fence *
to_preempt_fence(struct dma_fence *fence)
{
return container_of(fence, struct xe_preempt_fence, base);
}
/**
* xe_preempt_fence_link ( ) - Return a link used to keep unarmed preempt
* fences on a list .
* @ pfence : Pointer to the preempt fence .
*
* The link is embedded in the struct xe_preempt_fence . Use
* link_to_preempt_fence ( ) to convert back to the preempt fence .
*
* Return : A pointer to an embedded struct list_head .
*/
static inline struct list_head *
xe_preempt_fence_link(struct xe_preempt_fence *pfence)
{
return &pfence->link;
}
/**
* to_preempt_fence_from_link ( ) - Convert back to a preempt fence pointer
* from a link obtained with xe_preempt_fence_link ( ) .
* @ link : The struct list_head obtained from xe_preempt_fence_link ( ) .
*
* Return : A pointer to the embedding struct xe_preempt_fence .
*/
static inline struct xe_preempt_fence *
to_preempt_fence_from_link(struct list_head *link)
{
return container_of(link, struct xe_preempt_fence, link);
}
bool xe_fence_is_xe_preempt(const struct dma_fence *fence);
#endif
Messung V0.5 in Prozent C=98 H=98 G=97
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(vorverarbeitet am 2026-09-29)
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