Line data    Source code

       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           0 : 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           0 :         if (!amdgpu_sriov_vf(adev))
      37             :                 return;
      38             : 
      39           0 :         error_code = AMDGIM_ERROR_CODE(AMDGIM_ERROR_CATEGORY_VF, sub_error_code);
      40             : 
      41           0 :         mutex_lock(&adev->virt.vf_errors.lock);
      42           0 :         index = adev->virt.vf_errors.write_count % AMDGPU_VF_ERROR_ENTRY_SIZE;
      43           0 :         adev->virt.vf_errors.code [index] = error_code;
      44           0 :         adev->virt.vf_errors.flags [index] = error_flags;
      45           0 :         adev->virt.vf_errors.data [index] = error_data;
      46           0 :         adev->virt.vf_errors.write_count ++;
      47           0 :         mutex_unlock(&adev->virt.vf_errors.lock);
      48             : }
      49             : 
      50             : 
      51           0 : 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           0 :         if ((NULL == adev) || (!amdgpu_sriov_vf(adev)) ||
      58           0 :             (!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           0 :         mutex_lock(&adev->virt.vf_errors.lock);
      70             :         /* The errors are overlay of array, correct read_count as full. */
      71           0 :         if (adev->virt.vf_errors.write_count - adev->virt.vf_errors.read_count > AMDGPU_VF_ERROR_ENTRY_SIZE) {
      72           0 :                 adev->virt.vf_errors.read_count = adev->virt.vf_errors.write_count - AMDGPU_VF_ERROR_ENTRY_SIZE;
      73             :         }
      74             : 
      75           0 :         while (adev->virt.vf_errors.read_count < adev->virt.vf_errors.write_count) {
      76           0 :                 index =adev->virt.vf_errors.read_count % AMDGPU_VF_ERROR_ENTRY_SIZE;
      77           0 :                 data1 = AMDGIM_ERROR_CODE_FLAGS_TO_MAILBOX(adev->virt.vf_errors.code[index],
      78             :                                                            adev->virt.vf_errors.flags[index]);
      79           0 :                 data2 = adev->virt.vf_errors.data[index] & 0xFFFFFFFF;
      80           0 :                 data3 = (adev->virt.vf_errors.data[index] >> 32) & 0xFFFFFFFF;
      81             : 
      82           0 :                 adev->virt.ops->trans_msg(adev, IDH_LOG_VF_ERROR, data1, data2, data3);
      83           0 :                 adev->virt.vf_errors.read_count ++;
      84             :         }
      85           0 :         mutex_unlock(&adev->virt.vf_errors.lock);
      86             : }