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
10 struct nouveau_uvmm {
11 struct drm_gpuvm base;
12 struct nouveau_vmm vmm;
13 struct maple_tree region_mt;
14 struct mutex mutex;
15 };
16
17 struct 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
31 struct 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
43 struct 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
53 struct 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
77 void nouveau_uvmm_fini(struct nouveau_uvmm *uvmm);
78
79 void nouveau_uvmm_bo_map_all(struct nouveau_bo *nvbov, struct nouveau_mem *mem);
80 void nouveau_uvmm_bo_unmap_all(struct nouveau_bo *nvbo);
81
82 int nouveau_uvmm_ioctl_vm_init(struct drm_device *dev, void *data,
83 struct drm_file *file_priv);
84
85 int nouveau_uvmm_ioctl_vm_bind(struct drm_device *dev, void *data,
86 struct drm_file *file_priv);
87
nouveau_uvmm_lock(struct nouveau_uvmm * uvmm)88 static inline void nouveau_uvmm_lock(struct nouveau_uvmm *uvmm)
89 {
90 mutex_lock(&uvmm->mutex);
91 }
92
nouveau_uvmm_unlock(struct nouveau_uvmm * uvmm)93 static inline void nouveau_uvmm_unlock(struct nouveau_uvmm *uvmm)
94 {
95 mutex_unlock(&uvmm->mutex);
96 }
97
98 #endif
99