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
26 static void
r535_vfn_dtor(struct nvkm_vfn * vfn)27 r535_vfn_dtor(struct nvkm_vfn *vfn)
28 {
29 kfree(vfn->func);
30 }
31
32 int
r535_vfn_new(const struct nvkm_vfn_func * hw,struct nvkm_device * device,enum nvkm_subdev_type type,int inst,u32 addr,struct nvkm_vfn ** pvfn)33 r535_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 }
58