2 * Copyright 2010 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
25 #ifndef __NOUVEAU_VM_H__
26 #define __NOUVEAU_VM_H__
30 #include "nouveau_drv.h"
31 #include "nouveau_mm.h"
33 struct nouveau_vm_pgt {
34 struct nouveau_gpuobj *obj;
39 struct nouveau_vm_pgd {
40 struct list_head head;
41 struct nouveau_gpuobj *obj;
45 struct nouveau_vm *vm;
46 struct nouveau_mm_node *node;
52 struct drm_device *dev;
53 struct nouveau_mm *mm;
56 struct list_head pgd_list;
60 struct nouveau_vm_pgt *pgt;
68 void (*map_pgt)(struct nouveau_gpuobj *pgd, u32 type, u32 pde,
69 struct nouveau_gpuobj *pgt);
70 void (*unmap_pgt)(struct nouveau_gpuobj *pgd, u32 pde);
71 void (*map)(struct nouveau_vma *, struct nouveau_gpuobj *,
72 struct nouveau_vram *, u32 pte, u32 cnt, u64 phys);
73 void (*map_sg)(struct nouveau_vma *, struct nouveau_gpuobj *,
74 u32 pte, dma_addr_t *, u32 cnt);
75 void (*unmap)(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt);
76 void (*flush)(struct nouveau_vm *);
80 int nouveau_vm_new(struct drm_device *, u64 offset, u64 length, u64 mm_offset,
81 u8 pgt_bits, u8 spg_shift, u8 lpg_shift,
82 struct nouveau_vm **);
83 int nouveau_vm_ref(struct nouveau_vm *, struct nouveau_vm **,
84 struct nouveau_gpuobj *pgd);
85 int nouveau_vm_get(struct nouveau_vm *, u64 size, u32 page_shift,
86 u32 access, struct nouveau_vma *);
87 void nouveau_vm_put(struct nouveau_vma *);
88 void nouveau_vm_map(struct nouveau_vma *, struct nouveau_vram *);
89 void nouveau_vm_map_at(struct nouveau_vma *, u64 offset, struct nouveau_vram *);
90 void nouveau_vm_unmap(struct nouveau_vma *);
91 void nouveau_vm_unmap_at(struct nouveau_vma *, u64 offset, u64 length);
92 void nouveau_vm_map_sg(struct nouveau_vma *, u64 offset, u64 length,
96 void nv50_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 type, u32 pde,
97 struct nouveau_gpuobj *pgt);
98 void nv50_vm_unmap_pgt(struct nouveau_gpuobj *pgd, u32 pde);
99 void nv50_vm_map(struct nouveau_vma *, struct nouveau_gpuobj *,
100 struct nouveau_vram *, u32 pte, u32 cnt, u64 phys);
101 void nv50_vm_map_sg(struct nouveau_vma *, struct nouveau_gpuobj *,
102 u32 pte, dma_addr_t *, u32 cnt);
103 void nv50_vm_unmap(struct nouveau_gpuobj *, u32 pte, u32 cnt);
104 void nv50_vm_flush(struct nouveau_vm *);
105 void nv50_vm_flush_engine(struct drm_device *, int engine);