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1 | /* |
2 | * Copyright 2015 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 <bskeggs@redhat.com> | |
23 | */ | |
24 | #include <core/memory.h> | |
25 | #include <subdev/instmem.h> | |
26 | ||
27 | void | |
28 | nvkm_memory_ctor(const struct nvkm_memory_func *func, | |
29 | struct nvkm_memory *memory) | |
30 | { | |
31 | memory->func = func; | |
32 | } | |
33 | ||
34 | void | |
35 | nvkm_memory_del(struct nvkm_memory **pmemory) | |
36 | { | |
37 | struct nvkm_memory *memory = *pmemory; | |
38 | if (memory && !WARN_ON(!memory->func)) { | |
39 | if (memory->func->dtor) | |
40 | *pmemory = memory->func->dtor(memory); | |
41 | kfree(*pmemory); | |
42 | *pmemory = NULL; | |
43 | } | |
44 | } | |
45 | ||
46 | int | |
47 | nvkm_memory_new(struct nvkm_device *device, enum nvkm_memory_target target, | |
48 | u64 size, u32 align, bool zero, | |
49 | struct nvkm_memory **pmemory) | |
50 | { | |
51 | struct nvkm_instmem *imem = device->imem; | |
52 | struct nvkm_memory *memory; | |
53 | int ret = -ENOSYS; | |
54 | ||
55 | if (unlikely(target != NVKM_MEM_TARGET_INST || !imem)) | |
56 | return -ENOSYS; | |
57 | ||
b7a2bc18 | 58 | ret = nvkm_instobj_new(imem, size, align, zero, &memory); |
d8e83994 BS |
59 | if (ret) |
60 | return ret; | |
61 | ||
62 | *pmemory = memory; | |
63 | return 0; | |
64 | } |