1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/*
* Copyright 2017 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "ummu.h"
#include "umem.h"
#include "uvmm.h"
#include <core/client.h>
#include <nvif/if0008.h>
#include <nvif/unpack.h>
static int
nvkm_ummu_sclass(struct nvkm_object *object, int index,
struct nvkm_oclass *oclass)
{
struct nvkm_mmu *mmu = nvkm_ummu(object)->mmu;
if (mmu->func->mem.user.oclass && oclass->client->super) {
if (index-- == 0) {
oclass->base = mmu->func->mem.user;
oclass->ctor = nvkm_umem_new;
return 0;
}
}
if (mmu->func->vmm.user.oclass) {
if (index-- == 0) {
oclass->base = mmu->func->vmm.user;
oclass->ctor = nvkm_uvmm_new;
return 0;
}
}
return -EINVAL;
}
static int
nvkm_ummu_heap(struct nvkm_ummu *ummu, void *argv, u32 argc)
{
struct nvkm_mmu *mmu = ummu->mmu;
union {
struct nvif_mmu_heap_v0 v0;
} *args = argv;
int ret = -ENOSYS;
u8 index;
if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
if ((index = args->v0.index) >= mmu->heap_nr)
return -EINVAL;
args->v0.size = mmu->heap[index].size;
} else
return ret;
return 0;
}
static int
nvkm_ummu_type(struct nvkm_ummu *ummu, void *argv, u32 argc)
{
struct nvkm_mmu *mmu = ummu->mmu;
union {
struct nvif_mmu_type_v0 v0;
} *args = argv;
int ret = -ENOSYS;
u8 type, index;
if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
if ((index = args->v0.index) >= mmu->type_nr)
return -EINVAL;
type = mmu->type[index].type;
args->v0.heap = mmu->type[index].heap;
args->v0.vram = !!(type & NVKM_MEM_VRAM);
args->v0.host = !!(type & NVKM_MEM_HOST);
args->v0.comp = !!(type & NVKM_MEM_COMP);
args->v0.disp = !!(type & NVKM_MEM_DISP);
args->v0.kind = !!(type & NVKM_MEM_KIND);
args->v0.mappable = !!(type & NVKM_MEM_MAPPABLE);
args->v0.coherent = !!(type & NVKM_MEM_COHERENT);
args->v0.uncached = !!(type & NVKM_MEM_UNCACHED);
} else
return ret;
return 0;
}
static int
nvkm_ummu_kind(struct nvkm_ummu *ummu, void *argv, u32 argc)
{
struct nvkm_mmu *mmu = ummu->mmu;
union {
struct nvif_mmu_kind_v0 v0;
} *args = argv;
const u8 *kind = NULL;
int ret = -ENOSYS, count = 0;
u8 kind_inv = 0;
if (mmu->func->kind)
kind = mmu->func->kind(mmu, &count, &kind_inv);
if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, true))) {
if (argc != args->v0.count * sizeof(*args->v0.data))
return -EINVAL;
if (args->v0.count > count)
return -EINVAL;
args->v0.kind_inv = kind_inv;
memcpy(args->v0.data, kind, args->v0.count);
} else
return ret;
return 0;
}
static int
nvkm_ummu_mthd(struct nvkm_object *object, u32 mthd, void *argv, u32 argc)
{
struct nvkm_ummu *ummu = nvkm_ummu(object);
switch (mthd) {
case NVIF_MMU_V0_HEAP: return nvkm_ummu_heap(ummu, argv, argc);
case NVIF_MMU_V0_TYPE: return nvkm_ummu_type(ummu, argv, argc);
case NVIF_MMU_V0_KIND: return nvkm_ummu_kind(ummu, argv, argc);
default:
break;
}
return -EINVAL;
}
static const struct nvkm_object_func
nvkm_ummu = {
.mthd = nvkm_ummu_mthd,
.sclass = nvkm_ummu_sclass,
};
int
nvkm_ummu_new(struct nvkm_device *device, const struct nvkm_oclass *oclass,
void *argv, u32 argc, struct nvkm_object **pobject)
{
union {
struct nvif_mmu_v0 v0;
} *args = argv;
struct nvkm_mmu *mmu = device->mmu;
struct nvkm_ummu *ummu;
int ret = -ENOSYS, kinds = 0;
u8 unused = 0;
if (mmu->func->kind)
mmu->func->kind(mmu, &kinds, &unused);
if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
args->v0.dmabits = mmu->dma_bits;
args->v0.heap_nr = mmu->heap_nr;
args->v0.type_nr = mmu->type_nr;
args->v0.kind_nr = kinds;
} else
return ret;
if (!(ummu = kzalloc(sizeof(*ummu), GFP_KERNEL)))
return -ENOMEM;
nvkm_object_ctor(&nvkm_ummu, oclass, &ummu->object);
ummu->mmu = mmu;
*pobject = &ummu->object;
return 0;
}
|
