1/*	$NetBSD: nouveau_nvkm_engine_sw_nvsw.c,v 1.3 2021/12/18 23:45:37 riastradh Exp $	*/
2
3/*
4 * Copyright 2015 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Ben Skeggs <bskeggs@redhat.com>
25 */
26#include <sys/cdefs.h>
27__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_sw_nvsw.c,v 1.3 2021/12/18 23:45:37 riastradh Exp $");
28
29#include "nvsw.h"
30#include "chan.h"
31
32#include <nvif/if0004.h>
33
34static int
35nvkm_nvsw_mthd_(struct nvkm_object *object, u32 mthd, void *data, u32 size)
36{
37	struct nvkm_nvsw *nvsw = nvkm_nvsw(object);
38	if (nvsw->func->mthd)
39		return nvsw->func->mthd(nvsw, mthd, data, size);
40	return -ENODEV;
41}
42
43static int
44nvkm_nvsw_ntfy_(struct nvkm_object *object, u32 mthd,
45		struct nvkm_event **pevent)
46{
47	struct nvkm_nvsw *nvsw = nvkm_nvsw(object);
48	switch (mthd) {
49	case NV04_NVSW_NTFY_UEVENT:
50		*pevent = &nvsw->chan->event;
51		return 0;
52	default:
53		break;
54	}
55	return -EINVAL;
56}
57
58static const struct nvkm_object_func
59nvkm_nvsw_ = {
60	.mthd = nvkm_nvsw_mthd_,
61	.ntfy = nvkm_nvsw_ntfy_,
62};
63
64int
65nvkm_nvsw_new_(const struct nvkm_nvsw_func *func, struct nvkm_sw_chan *chan,
66	       const struct nvkm_oclass *oclass, void *data, u32 size,
67	       struct nvkm_object **pobject)
68{
69	struct nvkm_nvsw *nvsw;
70
71	if (!(nvsw = kzalloc(sizeof(*nvsw), GFP_KERNEL)))
72		return -ENOMEM;
73	*pobject = &nvsw->object;
74
75	nvkm_object_ctor(&nvkm_nvsw_, oclass, &nvsw->object);
76	nvsw->func = func;
77	nvsw->chan = chan;
78	return 0;
79}
80
81static const struct nvkm_nvsw_func
82nvkm_nvsw = {
83};
84
85int
86nvkm_nvsw_new(struct nvkm_sw_chan *chan, const struct nvkm_oclass *oclass,
87	      void *data, u32 size, struct nvkm_object **pobject)
88{
89	return nvkm_nvsw_new_(&nvkm_nvsw, chan, oclass, data, size, pobject);
90}
91