1/*
2 * Copyright 2014 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
25#include <nvif/device.h>
26
27void
28nvif_device_fini(struct nvif_device *device)
29{
30	nvif_object_fini(&device->base);
31}
32
33int
34nvif_device_init(struct nvif_object *parent, void (*dtor)(struct nvif_device *),
35		 u32 handle, u32 oclass, void *data, u32 size,
36		 struct nvif_device *device)
37{
38	int ret = nvif_object_init(parent, (void *)dtor, handle, oclass,
39				   data, size, &device->base);
40	if (ret == 0) {
41		device->object = &device->base;
42		device->info.version = 0;
43		ret = nvif_object_mthd(&device->base, NV_DEVICE_V0_INFO,
44				       &device->info, sizeof(device->info));
45	}
46	return ret;
47}
48
49static void
50nvif_device_del(struct nvif_device *device)
51{
52	nvif_device_fini(device);
53	kfree(device);
54}
55
56int
57nvif_device_new(struct nvif_object *parent, u32 handle, u32 oclass,
58		void *data, u32 size, struct nvif_device **pdevice)
59{
60	struct nvif_device *device = kzalloc(sizeof(*device), GFP_KERNEL);
61	if (device) {
62		int ret = nvif_device_init(parent, nvif_device_del, handle,
63					   oclass, data, size, device);
64		if (ret) {
65			kfree(device);
66			device = NULL;
67		}
68		*pdevice = device;
69		return ret;
70	}
71	return -ENOMEM;
72}
73
74void
75nvif_device_ref(struct nvif_device *device, struct nvif_device **pdevice)
76{
77	nvif_object_ref(&device->base, (struct nvif_object **)pdevice);
78}
79