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
27void
28nvkm_memory_ctor(const struct nvkm_memory_func *func,
29		 struct nvkm_memory *memory)
30{
31	memory->func = func;
32}
33
34void
35nvkm_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
46int
47nvkm_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
58	ret = nvkm_instobj_new(imem, size, align, zero, &memory);
59	if (ret)
60		return ret;
61
62	*pmemory = memory;
63	return 0;
64}
65