1 | /* |
2 | * Copyright 2017 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_vf_error.h" |
26 | #include "mxgpu_ai.h" |
27 | |
28 | void amdgpu_vf_error_put(struct amdgpu_device *adev, |
29 | uint16_t sub_error_code, |
30 | uint16_t error_flags, |
31 | uint64_t error_data) |
32 | { |
33 | int index; |
34 | uint16_t error_code; |
35 | |
36 | if (!amdgpu_sriov_vf(adev)) |
37 | return; |
38 | |
39 | error_code = AMDGIM_ERROR_CODE(AMDGIM_ERROR_CATEGORY_VF, sub_error_code); |
40 | |
41 | mutex_lock(&adev->virt.vf_errors.lock); |
42 | index = adev->virt.vf_errors.write_count % AMDGPU_VF_ERROR_ENTRY_SIZE; |
43 | adev->virt.vf_errors.code [index] = error_code; |
44 | adev->virt.vf_errors.flags [index] = error_flags; |
45 | adev->virt.vf_errors.data [index] = error_data; |
46 | adev->virt.vf_errors.write_count ++; |
47 | mutex_unlock(lock: &adev->virt.vf_errors.lock); |
48 | } |
49 | |
50 | |
51 | void amdgpu_vf_error_trans_all(struct amdgpu_device *adev) |
52 | { |
53 | /* u32 pf2vf_flags = 0; */ |
54 | u32 data1, data2, data3; |
55 | int index; |
56 | |
57 | if ((NULL == adev) || (!amdgpu_sriov_vf(adev)) || |
58 | (!adev->virt.ops) || (!adev->virt.ops->trans_msg)) { |
59 | return; |
60 | } |
61 | /* |
62 | TODO: Enable these code when pv2vf_info is merged |
63 | AMDGPU_FW_VRAM_PF2VF_READ (adev, feature_flags, &pf2vf_flags); |
64 | if (!(pf2vf_flags & AMDGIM_FEATURE_ERROR_LOG_COLLECT)) { |
65 | return; |
66 | } |
67 | */ |
68 | |
69 | mutex_lock(&adev->virt.vf_errors.lock); |
70 | /* The errors are overlay of array, correct read_count as full. */ |
71 | if (adev->virt.vf_errors.write_count - adev->virt.vf_errors.read_count > AMDGPU_VF_ERROR_ENTRY_SIZE) { |
72 | adev->virt.vf_errors.read_count = adev->virt.vf_errors.write_count - AMDGPU_VF_ERROR_ENTRY_SIZE; |
73 | } |
74 | |
75 | while (adev->virt.vf_errors.read_count < adev->virt.vf_errors.write_count) { |
76 | index =adev->virt.vf_errors.read_count % AMDGPU_VF_ERROR_ENTRY_SIZE; |
77 | data1 = AMDGIM_ERROR_CODE_FLAGS_TO_MAILBOX(adev->virt.vf_errors.code[index], |
78 | adev->virt.vf_errors.flags[index]); |
79 | data2 = adev->virt.vf_errors.data[index] & 0xFFFFFFFF; |
80 | data3 = (adev->virt.vf_errors.data[index] >> 32) & 0xFFFFFFFF; |
81 | |
82 | adev->virt.ops->trans_msg(adev, IDH_LOG_VF_ERROR, data1, data2, data3); |
83 | adev->virt.vf_errors.read_count ++; |
84 | } |
85 | mutex_unlock(lock: &adev->virt.vf_errors.lock); |
86 | } |
87 | |