1 /* $NetBSD: amdgpu_xgmi.c,v 1.1 2021/12/19 12:22:48 riastradh Exp $ */
2
3 /*-
4 * Copyright (c) 2021 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: amdgpu_xgmi.c,v 1.1 2021/12/19 12:22:48 riastradh Exp $");
31
32 #include <sys/types.h>
33
34 #include "amdgpu.h"
35 #include "amdgpu_xgmi.h"
36
37 struct amdgpu_hive_info *
amdgpu_get_xgmi_hive(struct amdgpu_device * adev,int lock)38 amdgpu_get_xgmi_hive(struct amdgpu_device *adev, int lock)
39 {
40 return NULL;
41 }
42
43 int
amdgpu_xgmi_update_topology(struct amdgpu_hive_info * hive,struct amdgpu_device * adev)44 amdgpu_xgmi_update_topology(struct amdgpu_hive_info *hive,
45 struct amdgpu_device *adev)
46 {
47 return -ENOSYS;
48 }
49
50 int
amdgpu_xgmi_add_device(struct amdgpu_device * adev)51 amdgpu_xgmi_add_device(struct amdgpu_device *adev)
52 {
53 return -ENOSYS;
54 }
55
56 void
amdgpu_xgmi_remove_device(struct amdgpu_device * adev)57 amdgpu_xgmi_remove_device(struct amdgpu_device *adev)
58 {
59 }
60
61 int
amdgpu_xgmi_set_pstate(struct amdgpu_device * adev,int pstate)62 amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate)
63 {
64 return -ENOSYS;
65 }
66
67 int
amdgpu_xgmi_get_hops_count(struct amdgpu_device * adev,struct amdgpu_device * peer_adev)68 amdgpu_xgmi_get_hops_count(struct amdgpu_device *adev,
69 struct amdgpu_device *peer_adev)
70 {
71 return -ENOSYS;
72 }
73
74 int
amdgpu_xgmi_ras_late_init(struct amdgpu_device * adev)75 amdgpu_xgmi_ras_late_init(struct amdgpu_device *adev)
76 {
77 return 0;
78 }
79
80 void
amdgpu_xgmi_ras_fini(struct amdgpu_device * adev)81 amdgpu_xgmi_ras_fini(struct amdgpu_device *adev)
82 {
83 }
84