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