| Lingfeng Yang | 1cbd16b | 2017-01-31 23:28:39 -0800 | [diff] [blame] | 1 | #include <linux/sync_file.h> |
| 2 | #include <linux/fence.h> |
| 3 | |
| 4 | /** |
| 5 | * struct sync_pt - sync_pt object |
| 6 | * @base: base fence object |
| 7 | * @child_list: sync timeline child's list |
| 8 | * @active_list: sync timeline active child's list |
| 9 | */ |
| 10 | struct sync_pt { |
| 11 | struct fence base; |
| 12 | struct list_head child_list; |
| 13 | struct list_head active_list; |
| 14 | }; |
| 15 | |
| 16 | /** |
| 17 | * goldfish_sync_timeline_create_internal() - creates a sync object |
| 18 | * @name: goldfish_sync_timeline name |
| 19 | * |
| 20 | * Creates a new goldfish_sync_timeline. |
| 21 | * Returns the goldfish_sync_timeline object or NULL in case of error. |
| 22 | */ |
| 23 | struct goldfish_sync_timeline |
| 24 | *goldfish_sync_timeline_create_internal(const char *name); |
| 25 | |
| 26 | /** |
| 27 | * goldfish_sync_pt_create_internal() - creates a sync pt |
| 28 | * @parent: fence's parent goldfish_sync_timeline |
| 29 | * @size: size to allocate for this pt |
| 30 | * @inc: value of the fence |
| 31 | * |
| 32 | * Creates a new sync_pt as a child of @parent. @size bytes will be |
| 33 | * allocated allowing for implementation specific data to be kept after |
| 34 | * the generic sync_timeline struct. Returns the sync_pt object or |
| 35 | * NULL in case of error. |
| 36 | */ |
| 37 | struct sync_pt |
| 38 | *goldfish_sync_pt_create_internal(struct goldfish_sync_timeline *obj, |
| 39 | int size, unsigned int value); |
| 40 | |
| 41 | /** |
| 42 | * goldfish_sync_timeline_signal_internal() - |
| 43 | * signal a status change on a sync_timeline |
| 44 | * @obj: goldfish_sync_timeline to signal |
| 45 | * @inc: num to increment on timeline->value |
| 46 | * |
| 47 | * A sync implementation should call this any time one of it's fences |
| 48 | * has signaled or has an error condition. |
| 49 | */ |
| 50 | void goldfish_sync_timeline_signal_internal(struct goldfish_sync_timeline *obj, |
| 51 | unsigned int inc); |
| 52 | |
| 53 | /** |
| 54 | * goldfish_sync_timeline_put_internal() - dec refcount of a sync_timeline |
| 55 | * and clean up memory if it was the last ref. |
| 56 | * @obj: goldfish_sync_timeline to decref |
| 57 | */ |
| 58 | void goldfish_sync_timeline_put_internal(struct goldfish_sync_timeline *obj); |