1 /* SPDX-License-Identifier: MIT */
2
3 #ifndef __NOUVEAU_UVMM_H__
4 #define __NOUVEAU_UVMM_H__
5
6 #include <drm/drm_gpuva_mgr.h>
7
8 #include "nouveau_drv.h"
9
10 struct nouveau_uvmm {
11 struct nouveau_vmm vmm;
12 struct drm_gpuva_manager umgr;
13 struct maple_tree region_mt;
14 struct mutex mutex;
15 struct dma_resv resv;
16
17 u64 kernel_managed_addr;
18 u64 kernel_managed_size;
19
20 bool disabled;
21 };
22
23 struct nouveau_uvma_region {
24 struct nouveau_uvmm *uvmm;
25
26 struct {
27 u64 addr;
28 u64 range;
29 } va;
30
31 struct kref kref;
32
33 struct completion complete;
34 bool dirty;
35 };
36
37 struct nouveau_uvma {
38 struct drm_gpuva va;
39
40 struct nouveau_uvma_region *region;
41 u8 kind;
42 };
43
44 #define uvmm_from_mgr(x) container_of((x), struct nouveau_uvmm, umgr)
45 #define uvma_from_va(x) container_of((x), struct nouveau_uvma, va)
46
47 #define to_uvmm(x) uvmm_from_mgr((x)->va.mgr)
48
49 struct nouveau_uvmm_bind_job {
50 struct nouveau_job base;
51
52 struct kref kref;
53 struct list_head entry;
54 struct work_struct work;
55 struct completion complete;
56
57 /* struct bind_job_op */
58 struct list_head ops;
59 };
60
61 struct nouveau_uvmm_bind_job_args {
62 struct drm_file *file_priv;
63 struct nouveau_sched_entity *sched_entity;
64
65 unsigned int flags;
66
67 struct {
68 struct drm_nouveau_sync *s;
69 u32 count;
70 } in_sync;
71
72 struct {
73 struct drm_nouveau_sync *s;
74 u32 count;
75 } out_sync;
76
77 struct {
78 struct drm_nouveau_vm_bind_op *s;
79 u32 count;
80 } op;
81 };
82
83 #define to_uvmm_bind_job(job) container_of((job), struct nouveau_uvmm_bind_job, base)
84
85 int nouveau_uvmm_init(struct nouveau_uvmm *uvmm, struct nouveau_cli *cli,
86 u64 kernel_managed_addr, u64 kernel_managed_size);
87 void nouveau_uvmm_fini(struct nouveau_uvmm *uvmm);
88
89 void nouveau_uvmm_bo_map_all(struct nouveau_bo *nvbov, struct nouveau_mem *mem);
90 void nouveau_uvmm_bo_unmap_all(struct nouveau_bo *nvbo);
91
92 int nouveau_uvmm_ioctl_vm_init(struct drm_device *dev, void *data,
93 struct drm_file *file_priv);
94
95 int nouveau_uvmm_ioctl_vm_bind(struct drm_device *dev, void *data,
96 struct drm_file *file_priv);
97
nouveau_uvmm_lock(struct nouveau_uvmm * uvmm)98 static inline void nouveau_uvmm_lock(struct nouveau_uvmm *uvmm)
99 {
100 mutex_lock(&uvmm->mutex);
101 }
102
nouveau_uvmm_unlock(struct nouveau_uvmm * uvmm)103 static inline void nouveau_uvmm_unlock(struct nouveau_uvmm *uvmm)
104 {
105 mutex_unlock(&uvmm->mutex);
106 }
107
108 #endif
109