2 * Copyright 2017 Advanced Micro Devices, Inc.
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5 * copy of this software and associated documentation files (the "Software"),
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
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25 #include "amdgpu_vf_error.h"
28 #define AMDGPU_VF_ERROR_ENTRY_SIZE 16
30 /* struct error_entry - amdgpu VF error information. */
31 struct amdgpu_vf_error_buffer {
34 uint16_t code[AMDGPU_VF_ERROR_ENTRY_SIZE];
35 uint16_t flags[AMDGPU_VF_ERROR_ENTRY_SIZE];
36 uint64_t data[AMDGPU_VF_ERROR_ENTRY_SIZE];
39 struct amdgpu_vf_error_buffer admgpu_vf_errors;
42 void amdgpu_vf_error_put(uint16_t sub_error_code, uint16_t error_flags, uint64_t error_data)
45 uint16_t error_code = AMDGIM_ERROR_CODE(AMDGIM_ERROR_CATEGORY_VF, sub_error_code);
47 index = admgpu_vf_errors.write_count % AMDGPU_VF_ERROR_ENTRY_SIZE;
48 admgpu_vf_errors.code [index] = error_code;
49 admgpu_vf_errors.flags [index] = error_flags;
50 admgpu_vf_errors.data [index] = error_data;
51 admgpu_vf_errors.write_count ++;
55 void amdgpu_vf_error_trans_all(struct amdgpu_device *adev)
57 /* u32 pf2vf_flags = 0; */
58 u32 data1, data2, data3;
61 if ((NULL == adev) || (!amdgpu_sriov_vf(adev)) || (!adev->virt.ops) || (!adev->virt.ops->trans_msg)) {
65 TODO: Enable these code when pv2vf_info is merged
66 AMDGPU_FW_VRAM_PF2VF_READ (adev, feature_flags, &pf2vf_flags);
67 if (!(pf2vf_flags & AMDGIM_FEATURE_ERROR_LOG_COLLECT)) {
71 /* The errors are overlay of array, correct read_count as full. */
72 if (admgpu_vf_errors.write_count - admgpu_vf_errors.read_count > AMDGPU_VF_ERROR_ENTRY_SIZE) {
73 admgpu_vf_errors.read_count = admgpu_vf_errors.write_count - AMDGPU_VF_ERROR_ENTRY_SIZE;
76 while (admgpu_vf_errors.read_count < admgpu_vf_errors.write_count) {
77 index =admgpu_vf_errors.read_count % AMDGPU_VF_ERROR_ENTRY_SIZE;
78 data1 = AMDGIM_ERROR_CODE_FLAGS_TO_MAILBOX (admgpu_vf_errors.code[index], admgpu_vf_errors.flags[index]);
79 data2 = admgpu_vf_errors.data[index] & 0xFFFFFFFF;
80 data3 = (admgpu_vf_errors.data[index] >> 32) & 0xFFFFFFFF;
82 adev->virt.ops->trans_msg(adev, IDH_LOG_VF_ERROR, data1, data2, data3);
83 admgpu_vf_errors.read_count ++;