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(&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(&adev->virt.vf_errors.lock); 86 } 87