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 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 .debugfs_name = "mmhub_err_inject", 36 }; 37 38 if (!adev->mmhub.ras_if) { 39 adev->mmhub.ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL); 40 if (!adev->mmhub.ras_if) 41 return -ENOMEM; 42 adev->mmhub.ras_if->block = AMDGPU_RAS_BLOCK__MMHUB; 43 adev->mmhub.ras_if->type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE; 44 adev->mmhub.ras_if->sub_block_index = 0; 45 strcpy(adev->mmhub.ras_if->name, "mmhub"); 46 } 47 ih_info.head = fs_info.head = *adev->mmhub.ras_if; 48 r = amdgpu_ras_late_init(adev, adev->mmhub.ras_if, 49 &fs_info, &ih_info); 50 if (r || !amdgpu_ras_is_supported(adev, adev->mmhub.ras_if->block)) { 51 kfree(adev->mmhub.ras_if); 52 adev->mmhub.ras_if = NULL; 53 } 54 55 return r; 56 } 57 58 void amdgpu_mmhub_ras_fini(struct amdgpu_device *adev) 59 { 60 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__MMHUB) && 61 adev->mmhub.ras_if) { 62 struct ras_common_if *ras_if = adev->mmhub.ras_if; 63 struct ras_ih_if ih_info = { 64 .cb = NULL, 65 }; 66 67 amdgpu_ras_late_fini(adev, ras_if, &ih_info); 68 kfree(ras_if); 69 } 70 } 71