1/* SPDX-License-Identifier: MIT */
2
3#ifndef __NOUVEAU_EXEC_H__
4#define __NOUVEAU_EXEC_H__
5
6#include "nouveau_drv.h"
7#include "nouveau_sched.h"
8
9struct nouveau_exec_job_args {
10 struct drm_file *file_priv;
11 struct nouveau_sched *sched;
12 struct nouveau_channel *chan;
13
14 struct {
15 struct drm_nouveau_sync *s;
16 u32 count;
17 } in_sync;
18
19 struct {
20 struct drm_nouveau_sync *s;
21 u32 count;
22 } out_sync;
23
24 struct {
25 struct drm_nouveau_exec_push *s;
26 u32 count;
27 } push;
28};
29
30struct nouveau_exec_job {
31 struct nouveau_job base;
32 struct nouveau_fence *fence;
33 struct nouveau_channel *chan;
34
35 struct {
36 struct drm_nouveau_exec_push *s;
37 u32 count;
38 } push;
39};
40
41#define to_nouveau_exec_job(job) \
42 container_of((job), struct nouveau_exec_job, base)
43
44int nouveau_exec_job_init(struct nouveau_exec_job **job,
45 struct nouveau_exec_job_args *args);
46
47int nouveau_exec_ioctl_exec(struct drm_device *dev, void *data,
48 struct drm_file *file_priv);
49
50static inline unsigned int
51nouveau_exec_push_max_from_ib_max(int ib_max)
52{
53 /* Limit the number of IBs per job to half the size of the ring in order
54 * to avoid the ring running dry between submissions and preserve one
55 * more slot for the job's HW fence.
56 */
57 return ib_max > 1 ? ib_max / 2 - 1 : 0;
58}
59
60#endif
61

source code of linux/drivers/gpu/drm/nouveau/nouveau_exec.h