aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nouveau_vm.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_vm.h')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_vm.h115
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
33struct nouveau_vm_pgt {
34 struct nouveau_gpuobj *obj[2];
35 u32 refcount[2];
36};
37
38struct nouveau_vm_pgd {
39 struct list_head head;
40 struct nouveau_gpuobj *obj;
41};
42
43struct 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
52struct 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 */
80int nouveau_vm_new(struct drm_device *, u64 offset, u64 length, u64 mm_offset,
81 struct nouveau_vm **);
82int nouveau_vm_ref(struct nouveau_vm *, struct nouveau_vm **,
83 struct nouveau_gpuobj *pgd);
84int nouveau_vm_get(struct nouveau_vm *, u64 size, u32 page_shift,
85 u32 access, struct nouveau_vma *);
86void nouveau_vm_put(struct nouveau_vma *);
87void nouveau_vm_map(struct nouveau_vma *, struct nouveau_mem *);
88void nouveau_vm_map_at(struct nouveau_vma *, u64 offset, struct nouveau_mem *);
89void nouveau_vm_unmap(struct nouveau_vma *);
90void nouveau_vm_unmap_at(struct nouveau_vma *, u64 offset, u64 length);
91void nouveau_vm_map_sg(struct nouveau_vma *, u64 offset, u64 length,
92 struct nouveau_mem *, dma_addr_t *);
93
94/* nv50_vm.c */
95void nv50_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 pde,
96 struct nouveau_gpuobj *pgt[2]);
97void nv50_vm_map(struct nouveau_vma *, struct nouveau_gpuobj *,
98 struct nouveau_mem *, u32 pte, u32 cnt, u64 phys, u64 delta);
99void nv50_vm_map_sg(struct nouveau_vma *, struct nouveau_gpuobj *,
100 struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
101void nv50_vm_unmap(struct nouveau_gpuobj *, u32 pte, u32 cnt);
102void nv50_vm_flush(struct nouveau_vm *);
103void nv50_vm_flush_engine(struct drm_device *, int engine);
104
105/* nvc0_vm.c */
106void nvc0_vm_map_pgt(struct nouveau_gpuobj *pgd, u32 pde,
107 struct nouveau_gpuobj *pgt[2]);
108void nvc0_vm_map(struct nouveau_vma *, struct nouveau_gpuobj *,
109 struct nouveau_mem *, u32 pte, u32 cnt, u64 phys, u64 delta);
110void nvc0_vm_map_sg(struct nouveau_vma *, struct nouveau_gpuobj *,
111 struct nouveau_mem *, u32 pte, u32 cnt, dma_addr_t *);
112void nvc0_vm_unmap(struct nouveau_gpuobj *, u32 pte, u32 cnt);
113void nvc0_vm_flush(struct nouveau_vm *);
114
115#endif