r535.c

 1/*
 2 * Copyright 2023 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
24#include <rm/gpu.h>
25
26static void
27r535_vfn_dtor(struct nvkm_vfn *vfn)
28{
29	kfree(vfn->func);
30}
31
32int
33r535_vfn_new(const struct nvkm_vfn_func *hw,
34	     struct nvkm_device *device, enum nvkm_subdev_type type, int inst, u32 addr,
35	     struct nvkm_vfn **pvfn)
36{
37	const struct nvkm_rm_gpu *gpu = device->gsp->rm->gpu;
38	struct nvkm_vfn_func *rm;
39	int ret;
40
41	if (!(rm = kzalloc(sizeof(*rm), GFP_KERNEL)))
42		return -ENOMEM;
43
44	rm->dtor = r535_vfn_dtor;
45	rm->intr = &tu102_vfn_intr;
46	rm->user.addr = 0x030000;
47	rm->user.size = 0x010000;
48	rm->user.base.minver = -1;
49	rm->user.base.maxver = -1;
50	rm->user.base.oclass = gpu->usermode.class;
51
52	ret = nvkm_vfn_new_(rm, device, type, inst, addr, pvfn);
53	if (ret)
54		kfree(rm);
55
56	return ret;
57}