diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_vm.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_vm.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_vm.h b/drivers/gpu/drm/nouveau/nouveau_vm.h new file mode 100644 index 00000000000..579ca8cc223 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_vm.h | |||
@@ -0,0 +1,115 @@ | |||
1 | /* | ||
2 | * Copyright 2010 Red Hat Inc. | ||
3 | * | ||
4 | * Permission is hereby granted, free of charge, to any person obtaining a | ||
5 | * copy of this software and associated documentation files (the "Software"), | ||
6 | * to deal in the Software without restriction, including without limitation | ||
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
8 | * and/or sell copies of the Software, and to permit persons to whom the | ||
9 | * Software is furnished to do so, subject to the following conditions: | ||
10 | * | ||
11 | * The above copyright notice and this permission notice shall be included in | ||
12 | * all copies or substantial portions of the Software. | ||
13 | * | ||
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | ||
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | ||
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | ||
20 | * OTHER DEALINGS IN THE SOFTWARE. | ||
21 | * | ||
22 | * Authors: Ben Skeggs | ||
23 | */ | ||
24 | |||
25 | #ifndef __NOUVEAU_VM_H__ | ||
26 | #define __NOUVEAU_VM_H__ | ||
27 | |||
28 | #include "drmP.h" | ||
29 | |||
30 | #include "nouveau_drv.h" | ||
31 | #include "nouveau_mm.h" | ||
32 | |||
33 | struct nouveau_vm_pgt { | ||
34 | struct nouveau_gpuobj *obj[2]; | ||
35 | u32 refcount[2]; | ||
36 | }; | ||
37 | |||
38 | struct nouveau_vm_pgd { | ||
39 | struct list_head head; | ||
40 | struct nouveau_gpuobj *obj; | ||
41 | }; | ||
42 | |||
43 | struct nouveau_vma { | ||
44 | struct list_head head; | ||
45 | int refcount; | ||
46 | struct nouveau_vm *vm; | ||
47 | struct nouveau_mm_node *node; | ||
48 | u64 offset; | ||
49 | u32 access; | ||
50 | }; | ||
51 | |||
52 | struct nouveau_vm { | ||
53 | struct drm_device *dev; | ||
54 | struct nouveau_mm *mm; | ||
55 | int refcount; | ||
56 | |||
57 | struct list_head pgd_list; | ||
58 | atomic_t engref[16]; | ||
59 | |||
60 | struct nouveau_vm_pgt *pgt; | ||
61 | u32 fpde; | ||
62 | u32 lpde; | ||
63 | |||
64 | u32 pgt_bits; | ||
65 | u8 spg_shift; | ||
66 | u8 lpg_shift; | ||
67 | |||
68 | void (*map_pgt)(struct nouveau_gpuobj *pgd, u32 pde, | ||
69 | struct nouveau_gpuobj *pgt[2]); | ||
70 | void (*map)(struct nouveau_vma *, struct nouveau_gpuobj *, | ||
71 | struct nouveau_mem *, u32 pte, u32 cnt, | ||
72 | u64 phys, u64 delta); | ||
73 | void (*map_sg)(struct nouveau_vma *, struct nouveau_gpuobj *, | ||
74 | struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *); | ||
75 | void (*unmap)(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt); | ||
76 | void (*flush)(struct nouveau_vm *); | ||
77 | }; | ||
78 | |||
79 | /* nouveau_vm.c */ | ||
80 | int nouveau_vm_new(struct drm_device *, u64 offset, u64 length, u64 mm_offset, | ||
81 | struct nouveau_vm **); | ||
82 | int nouveau_vm_ref(struct nouveau_vm *, struct nouveau_vm **, | ||
83 | struct nouveau_gpuobj *pgd); | ||
84 | int nouveau_vm_get(struct nouveau_vm *, u64 size, u32 page_shift, | ||
85 | u32 access, struct nouveau_vma *); | ||
86 | void nouveau_vm_put(struct nouveau_vma *); | ||
87 | void nouveau_vm_map(struct nouveau_vma *, struct nouveau_mem *); | ||
88 | void nouveau_vm_map_at(struct nouveau_vma *, u64 offset, struct nouveau_mem *); | ||
89 | void nouveau_vm_unmap(struct nouveau_vma *); | ||
90 | void nouveau_vm_unmap_at(struct nouveau_vma *, u64 offset, u64 length); | ||
91 | void nouveau_vm_map_sg(struct nouveau_vma *, u64 offset, u64 length, | ||
92 | struct nouveau_mem *, dma_addr_t *); | ||
93 | |||
94 | /* nv50_vm.c */ | ||
95 | void nv50_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 pde, | ||
96 | struct nouveau_gpuobj *pgt[2]); | ||
97 | void nv50_vm_map(struct nouveau_vma *, struct nouveau_gpuobj *, | ||
98 | struct nouveau_mem *, u32 pte, u32 cnt, u64 phys, u64 delta); | ||
99 | void nv50_vm_map_sg(struct nouveau_vma *, struct nouveau_gpuobj *, | ||
100 | struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *); | ||
101 | void nv50_vm_unmap(struct nouveau_gpuobj *, u32 pte, u32 cnt); | ||
102 | void nv50_vm_flush(struct nouveau_vm *); | ||
103 | void nv50_vm_flush_engine(struct drm_device *, int engine); | ||
104 | |||
105 | /* nvc0_vm.c */ | ||
106 | void nvc0_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 pde, | ||
107 | struct nouveau_gpuobj *pgt[2]); | ||
108 | void nvc0_vm_map(struct nouveau_vma *, struct nouveau_gpuobj *, | ||
109 | struct nouveau_mem *, u32 pte, u32 cnt, u64 phys, u64 delta); | ||
110 | void nvc0_vm_map_sg(struct nouveau_vma *, struct nouveau_gpuobj *, | ||
111 | struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *); | ||
112 | void nvc0_vm_unmap(struct nouveau_gpuobj *, u32 pte, u32 cnt); | ||
113 | void nvc0_vm_flush(struct nouveau_vm *); | ||
114 | |||
115 | #endif | ||