goldfish_sync_timeline_fence.h
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#include <linux/sync_file.h>
#include <linux/dma-fence.h>
/**
* struct sync_pt - sync_pt object
* @base: base dma_fence object
* @child_list: sync timeline child's list
* @active_list: sync timeline active child's list
*/
struct sync_pt {
struct dma_fence base;
struct list_head child_list;
struct list_head active_list;
};
/**
* goldfish_sync_timeline_create_internal() - creates a sync object
* @name: goldfish_sync_timeline name
*
* Creates a new goldfish_sync_timeline.
* Returns the goldfish_sync_timeline object or NULL in case of error.
*/
struct goldfish_sync_timeline
*goldfish_sync_timeline_create_internal(const char *name);
/**
* goldfish_sync_pt_create_internal() - creates a sync pt
* @parent: fence's parent goldfish_sync_timeline
* @size: size to allocate for this pt
* @inc: value of the fence
*
* Creates a new sync_pt as a child of @parent. @size bytes will be
* allocated allowing for implementation specific data to be kept after
* the generic sync_timeline struct. Returns the sync_pt object or
* NULL in case of error.
*/
struct sync_pt
*goldfish_sync_pt_create_internal(struct goldfish_sync_timeline *obj,
int size, unsigned int value);
/**
* goldfish_sync_timeline_signal_internal() -
* signal a status change on a sync_timeline
* @obj: goldfish_sync_timeline to signal
* @inc: num to increment on timeline->value
*
* A sync implementation should call this any time one of it's fences
* has signaled or has an error condition.
*/
void goldfish_sync_timeline_signal_internal(struct goldfish_sync_timeline *obj,
unsigned int inc);
/**
* goldfish_sync_timeline_put_internal() - dec refcount of a sync_timeline
* and clean up memory if it was the last ref.
* @obj: goldfish_sync_timeline to decref
*/
void goldfish_sync_timeline_put_internal(struct goldfish_sync_timeline *obj);