1/* SPDX-License-Identifier: MIT */
2
3#ifndef __NOUVEAU_UVMM_H__
4#define __NOUVEAU_UVMM_H__
5
6#include <drm/drm_gpuvm.h>
7
8#include "nouveau_drv.h"
9
10struct nouveau_uvmm {
11 struct drm_gpuvm base;
12 struct nouveau_vmm vmm;
13 struct maple_tree region_mt;
14 struct mutex mutex;
15};
16
17struct nouveau_uvma_region {
18 struct nouveau_uvmm *uvmm;
19
20 struct {
21 u64 addr;
22 u64 range;
23 } va;
24
25 struct kref kref;
26
27 struct completion complete;
28 bool dirty;
29};
30
31struct nouveau_uvma {
32 struct drm_gpuva va;
33
34 struct nouveau_uvma_region *region;
35 u8 kind;
36};
37
38#define uvmm_from_gpuvm(x) container_of((x), struct nouveau_uvmm, base)
39#define uvma_from_va(x) container_of((x), struct nouveau_uvma, va)
40
41#define to_uvmm(x) uvmm_from_gpuvm((x)->va.vm)
42
43struct nouveau_uvmm_bind_job {
44 struct nouveau_job base;
45
46 struct kref kref;
47 struct completion complete;
48
49 /* struct bind_job_op */
50 struct list_head ops;
51};
52
53struct nouveau_uvmm_bind_job_args {
54 struct drm_file *file_priv;
55 struct nouveau_sched *sched;
56
57 unsigned int flags;
58
59 struct {
60 struct drm_nouveau_sync *s;
61 u32 count;
62 } in_sync;
63
64 struct {
65 struct drm_nouveau_sync *s;
66 u32 count;
67 } out_sync;
68
69 struct {
70 struct drm_nouveau_vm_bind_op *s;
71 u32 count;
72 } op;
73};
74
75#define to_uvmm_bind_job(job) container_of((job), struct nouveau_uvmm_bind_job, base)
76
77void nouveau_uvmm_fini(struct nouveau_uvmm *uvmm);
78
79void nouveau_uvmm_bo_map_all(struct nouveau_bo *nvbov, struct nouveau_mem *mem);
80void nouveau_uvmm_bo_unmap_all(struct nouveau_bo *nvbo);
81
82int nouveau_uvmm_ioctl_vm_init(struct drm_device *dev, void *data,
83 struct drm_file *file_priv);
84
85int nouveau_uvmm_ioctl_vm_bind(struct drm_device *dev, void *data,
86 struct drm_file *file_priv);
87
88static inline void nouveau_uvmm_lock(struct nouveau_uvmm *uvmm)
89{
90 mutex_lock(&uvmm->mutex);
91}
92
93static inline void nouveau_uvmm_unlock(struct nouveau_uvmm *uvmm)
94{
95 mutex_unlock(lock: &uvmm->mutex);
96}
97
98#endif
99

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