1 /* 2 * Copyright 2023 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 "soc21.h" 26 #include "gc/gc_11_0_3_offset.h" 27 #include "gc/gc_11_0_3_sh_mask.h" 28 #include "ivsrcid/gfx/irqsrcs_gfx_11_0_0.h" 29 #include "soc15.h" 30 #include "soc15d.h" 31 #include "gfx_v11_0.h" 32 33 34 static int gfx_v11_0_3_rlc_gc_fed_irq(struct amdgpu_device *adev, 35 struct amdgpu_irq_src *source, 36 struct amdgpu_iv_entry *entry) 37 { 38 uint32_t rlc_status0 = 0, rlc_status1 = 0; 39 struct ras_common_if *ras_if = NULL; 40 struct ras_dispatch_if ih_data = { 41 .entry = entry, 42 }; 43 44 rlc_status0 = RREG32(SOC15_REG_OFFSET(GC, 0, regRLC_RLCS_FED_STATUS_0)); 45 rlc_status1 = RREG32(SOC15_REG_OFFSET(GC, 0, regRLC_RLCS_FED_STATUS_1)); 46 47 if (!rlc_status0 && !rlc_status1) { 48 dev_warn(adev->dev, "RLC_GC_FED irq is generated, but rlc_status0 and rlc_status1 are empty!\n"); 49 return 0; 50 } 51 52 /* Use RLC_RLCS_FED_STATUS_0/1 to distinguish FED error block. */ 53 if (REG_GET_FIELD(rlc_status0, RLC_RLCS_FED_STATUS_0, SDMA0_FED_ERR) || 54 REG_GET_FIELD(rlc_status0, RLC_RLCS_FED_STATUS_0, SDMA1_FED_ERR)) 55 ras_if = adev->sdma.ras_if; 56 else 57 ras_if = adev->gfx.ras_if; 58 59 if (!ras_if) { 60 dev_err(adev->dev, "Gfx or sdma ras block not initialized, rlc_status0:0x%x.\n", 61 rlc_status0); 62 return -EINVAL; 63 } 64 65 dev_warn(adev->dev, "RLC %s FED IRQ\n", ras_if->name); 66 67 if (!amdgpu_sriov_vf(adev)) { 68 ih_data.head = *ras_if; 69 amdgpu_ras_interrupt_dispatch(adev, &ih_data); 70 } else { 71 if (adev->virt.ops && adev->virt.ops->ras_poison_handler) 72 adev->virt.ops->ras_poison_handler(adev, ras_if->block); 73 else 74 dev_warn(adev->dev, 75 "No ras_poison_handler interface in SRIOV for %s!\n", ras_if->name); 76 } 77 78 return 0; 79 } 80 81 static int gfx_v11_0_3_poison_consumption_handler(struct amdgpu_device *adev, 82 struct amdgpu_iv_entry *entry) 83 { 84 /* Workaround: when vmid and pasid are both zero, trigger gpu reset in KGD. */ 85 if (entry && (entry->client_id == SOC21_IH_CLIENTID_GFX) && 86 (entry->src_id == GFX_11_0_0__SRCID__RLC_GC_FED_INTERRUPT) && 87 !entry->vmid && !entry->pasid) { 88 uint32_t rlc_status0 = 0; 89 90 rlc_status0 = RREG32_SOC15(GC, 0, regRLC_RLCS_FED_STATUS_0); 91 92 if (REG_GET_FIELD(rlc_status0, RLC_RLCS_FED_STATUS_0, SDMA0_FED_ERR) || 93 REG_GET_FIELD(rlc_status0, RLC_RLCS_FED_STATUS_0, SDMA1_FED_ERR)) { 94 struct amdgpu_ras *ras = amdgpu_ras_get_context(adev); 95 96 ras->gpu_reset_flags |= AMDGPU_RAS_GPU_RESET_MODE2_RESET; 97 } 98 99 amdgpu_ras_reset_gpu(adev); 100 } 101 102 return 0; 103 } 104 105 struct amdgpu_gfx_ras gfx_v11_0_3_ras = { 106 .rlc_gc_fed_irq = gfx_v11_0_3_rlc_gc_fed_irq, 107 .poison_consumption_handler = gfx_v11_0_3_poison_consumption_handler, 108 }; 109