1 /*
2 * Copyright 2019 Advanced Micro Devices, 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 */
23
24 #include "amdgpu.h"
25 #include "amdgpu_ras.h"
26
amdgpu_mmhub_ras_late_init(struct amdgpu_device * adev)27 int amdgpu_mmhub_ras_late_init(struct amdgpu_device *adev)
28 {
29 int r;
30 struct ras_ih_if ih_info = {
31 .cb = NULL,
32 };
33 struct ras_fs_if fs_info = {
34 .sysfs_name = "mmhub_err_count",
35 };
36
37 if (!adev->mmhub.ras_if) {
38 adev->mmhub.ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL);
39 if (!adev->mmhub.ras_if)
40 return -ENOMEM;
41 adev->mmhub.ras_if->block = AMDGPU_RAS_BLOCK__MMHUB;
42 adev->mmhub.ras_if->type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
43 adev->mmhub.ras_if->sub_block_index = 0;
44 strcpy(adev->mmhub.ras_if->name, "mmhub");
45 }
46 ih_info.head = fs_info.head = *adev->mmhub.ras_if;
47 r = amdgpu_ras_late_init(adev, adev->mmhub.ras_if,
48 &fs_info, &ih_info);
49 if (r || !amdgpu_ras_is_supported(adev, adev->mmhub.ras_if->block)) {
50 kfree(adev->mmhub.ras_if);
51 adev->mmhub.ras_if = NULL;
52 }
53
54 return r;
55 }
56
amdgpu_mmhub_ras_fini(struct amdgpu_device * adev)57 void amdgpu_mmhub_ras_fini(struct amdgpu_device *adev)
58 {
59 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__MMHUB) &&
60 adev->mmhub.ras_if) {
61 struct ras_common_if *ras_if = adev->mmhub.ras_if;
62 struct ras_ih_if ih_info = {
63 .cb = NULL,
64 };
65
66 amdgpu_ras_late_fini(adev, ras_if, &ih_info);
67 kfree(ras_if);
68 }
69 }
70