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