1/*
2 * Copyright 2021 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#include "priv.h"
23
24static void *
25nvkm_vfn_dtor(struct nvkm_subdev *subdev)
26{
27	return nvkm_vfn(subdev);
28}
29
30static const struct nvkm_subdev_func
31nvkm_vfn = {
32	.dtor = nvkm_vfn_dtor,
33};
34
35int
36nvkm_vfn_new_(const struct nvkm_vfn_func *func, struct nvkm_device *device,
37	      enum nvkm_subdev_type type, int inst, u32 addr, struct nvkm_vfn **pvfn)
38{
39	struct nvkm_vfn *vfn;
40	int ret;
41
42	if (!(vfn = *pvfn = kzalloc(sizeof(*vfn), GFP_KERNEL)))
43		return -ENOMEM;
44
45	nvkm_subdev_ctor(&nvkm_vfn, device, type, inst, &vfn->subdev);
46	vfn->func = func;
47	vfn->addr.priv = addr;
48	vfn->addr.user = vfn->addr.priv + func->user.addr;
49
50	if (vfn->func->intr) {
51		ret = nvkm_intr_add(vfn->func->intr, vfn->func->intrs,
52				    &vfn->subdev, 8, &vfn->intr);
53		if (ret)
54			return ret;
55	}
56
57	vfn->user.ctor = nvkm_uvfn_new;
58	vfn->user.base = func->user.base;
59	return 0;
60}
61