blob: d76c0106c9101b337f01c0ad154b5825434c9541 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2021 Intel Corporation
*/
#ifndef _I915_DEPS_H_
#define _I915_DEPS_H_
#include <linux/types.h>
struct ttm_operation_ctx;
struct dma_fence;
struct dma_resv;
/**
* struct i915_deps - Collect dependencies into a single dma-fence
* @single: Storage for pointer if the collection is a single fence.
* @fences: Allocated array of fence pointers if more than a single fence;
* otherwise points to the address of @single.
* @num_deps: Current number of dependency fences.
* @fences_size: Size of the @fences array in number of pointers.
* @gfp: Allocation mode.
*/
struct i915_deps {
struct dma_fence *single;
struct dma_fence **fences;
unsigned int num_deps;
unsigned int fences_size;
gfp_t gfp;
};
void i915_deps_init(struct i915_deps *deps, gfp_t gfp);
void i915_deps_fini(struct i915_deps *deps);
int i915_deps_add_dependency(struct i915_deps *deps,
struct dma_fence *fence,
const struct ttm_operation_ctx *ctx);
int i915_deps_add_resv(struct i915_deps *deps, struct dma_resv *resv,
const struct ttm_operation_ctx *ctx);
int i915_deps_sync(const struct i915_deps *deps,
const struct ttm_operation_ctx *ctx);
#endif
|
