// SPDX-License-Identifier: GPL-2.0 OR MIT /* * Copyright 2016-2022 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #include "kfd_priv.h" #include "kfd_events.h" #include "soc15_int.h" #include "kfd_device_queue_manager.h" #include "kfd_smi_events.h" enum SQ_INTERRUPT_WORD_ENCODING { SQ_INTERRUPT_WORD_ENCODING_AUTO = 0x0, SQ_INTERRUPT_WORD_ENCODING_INST, SQ_INTERRUPT_WORD_ENCODING_ERROR, }; enum SQ_INTERRUPT_ERROR_TYPE { SQ_INTERRUPT_ERROR_TYPE_EDC_FUE = 0x0, SQ_INTERRUPT_ERROR_TYPE_ILLEGAL_INST, SQ_INTERRUPT_ERROR_TYPE_MEMVIOL, SQ_INTERRUPT_ERROR_TYPE_EDC_FED, }; /* SQ_INTERRUPT_WORD_AUTO_CTXID */ #define SQ_INTERRUPT_WORD_AUTO_CTXID__THREAD_TRACE__SHIFT 0 #define SQ_INTERRUPT_WORD_AUTO_CTXID__WLT__SHIFT 1 #define SQ_INTERRUPT_WORD_AUTO_CTXID__THREAD_TRACE_BUF_FULL__SHIFT 2 #define SQ_INTERRUPT_WORD_AUTO_CTXID__REG_TIMESTAMP__SHIFT 3 #define SQ_INTERRUPT_WORD_AUTO_CTXID__CMD_TIMESTAMP__SHIFT 4 #define SQ_INTERRUPT_WORD_AUTO_CTXID__HOST_CMD_OVERFLOW__SHIFT 5 #define SQ_INTERRUPT_WORD_AUTO_CTXID__HOST_REG_OVERFLOW__SHIFT 6 #define SQ_INTERRUPT_WORD_AUTO_CTXID__IMMED_OVERFLOW__SHIFT 7 #define SQ_INTERRUPT_WORD_AUTO_CTXID__THREAD_TRACE_UTC_ERROR__SHIFT 8 #define SQ_INTERRUPT_WORD_AUTO_CTXID__SE_ID__SHIFT 24 #define SQ_INTERRUPT_WORD_AUTO_CTXID__ENCODING__SHIFT 26 #define SQ_INTERRUPT_WORD_AUTO_CTXID__THREAD_TRACE_MASK 0x00000001 #define SQ_INTERRUPT_WORD_AUTO_CTXID__WLT_MASK 0x00000002 #define SQ_INTERRUPT_WORD_AUTO_CTXID__THREAD_TRACE_BUF_FULL_MASK 0x00000004 #define SQ_INTERRUPT_WORD_AUTO_CTXID__REG_TIMESTAMP_MASK 0x00000008 #define SQ_INTERRUPT_WORD_AUTO_CTXID__CMD_TIMESTAMP_MASK 0x00000010 #define SQ_INTERRUPT_WORD_AUTO_CTXID__HOST_CMD_OVERFLOW_MASK 0x00000020 #define SQ_INTERRUPT_WORD_AUTO_CTXID__HOST_REG_OVERFLOW_MASK 0x00000040 #define SQ_INTERRUPT_WORD_AUTO_CTXID__IMMED_OVERFLOW_MASK 0x00000080 #define SQ_INTERRUPT_WORD_AUTO_CTXID__THREAD_TRACE_UTC_ERROR_MASK 0x00000100 #define SQ_INTERRUPT_WORD_AUTO_CTXID__SE_ID_MASK 0x03000000 #define SQ_INTERRUPT_WORD_AUTO_CTXID__ENCODING_MASK 0x0c000000 /* SQ_INTERRUPT_WORD_WAVE_CTXID */ #define SQ_INTERRUPT_WORD_WAVE_CTXID__DATA__SHIFT 0 #define SQ_INTERRUPT_WORD_WAVE_CTXID__SH_ID__SHIFT 12 #define SQ_INTERRUPT_WORD_WAVE_CTXID__PRIV__SHIFT 13 #define SQ_INTERRUPT_WORD_WAVE_CTXID__WAVE_ID__SHIFT 14 #define SQ_INTERRUPT_WORD_WAVE_CTXID__SIMD_ID__SHIFT 18 #define SQ_INTERRUPT_WORD_WAVE_CTXID__CU_ID__SHIFT 20 #define SQ_INTERRUPT_WORD_WAVE_CTXID__SE_ID__SHIFT 24 #define SQ_INTERRUPT_WORD_WAVE_CTXID__ENCODING__SHIFT 26 #define SQ_INTERRUPT_WORD_WAVE_CTXID__DATA_MASK 0x00000fff #define SQ_INTERRUPT_WORD_WAVE_CTXID__SH_ID_MASK 0x00001000 #define SQ_INTERRUPT_WORD_WAVE_CTXID__PRIV_MASK 0x00002000 #define SQ_INTERRUPT_WORD_WAVE_CTXID__WAVE_ID_MASK 0x0003c000 #define SQ_INTERRUPT_WORD_WAVE_CTXID__SIMD_ID_MASK 0x000c0000 #define SQ_INTERRUPT_WORD_WAVE_CTXID__CU_ID_MASK 0x00f00000 #define SQ_INTERRUPT_WORD_WAVE_CTXID__SE_ID_MASK 0x03000000 #define SQ_INTERRUPT_WORD_WAVE_CTXID__ENCODING_MASK 0x0c000000 #define KFD_CONTEXT_ID_GET_SQ_INT_DATA(ctx0, ctx1) \ ((ctx0 & 0xfff) | ((ctx0 >> 16) & 0xf000) | ((ctx1 << 16) & 0xff0000)) #define KFD_SQ_INT_DATA__ERR_TYPE_MASK 0xF00000 #define KFD_SQ_INT_DATA__ERR_TYPE__SHIFT 20 static void event_interrupt_poison_consumption(struct kfd_dev *dev, uint16_t pasid, uint16_t client_id) { int old_poison, ret = -EINVAL; struct kfd_process *p = kfd_lookup_process_by_pasid(pasid); if (!p) return; /* all queues of a process will be unmapped in one time */ old_poison = atomic_cmpxchg(&p->poison, 0, 1); kfd_unref_process(p); if (old_poison) return; switch (client_id) { case SOC15_IH_CLIENTID_SE0SH: case SOC15_IH_CLIENTID_SE1SH: case SOC15_IH_CLIENTID_SE2SH: case SOC15_IH_CLIENTID_SE3SH: case SOC15_IH_CLIENTID_UTCL2: ret = kfd_dqm_evict_pasid(dev->dqm, pasid); break; case SOC15_IH_CLIENTID_SDMA0: case SOC15_IH_CLIENTID_SDMA1: case SOC15_IH_CLIENTID_SDMA2: case SOC15_IH_CLIENTID_SDMA3: case SOC15_IH_CLIENTID_SDMA4: break; default: break; } kfd_signal_poison_consumed_event(dev, pasid); /* resetting queue passes, do page retirement without gpu reset * resetting queue fails, fallback to gpu reset solution */ if (!ret) { dev_warn(dev->adev->dev, "RAS poison consumption, unmap queue flow succeeded: client id %d\n", client_id); amdgpu_amdkfd_ras_poison_consumption_handler(dev->adev, false); } else { dev_warn(dev->adev->dev, "RAS poison consumption, fall back to gpu reset flow: client id %d\n", client_id); amdgpu_amdkfd_ras_poison_consumption_handler(dev->adev, true); } } static bool event_interrupt_isr_v9(struct kfd_dev *dev, const uint32_t *ih_ring_entry, uint32_t *patched_ihre, bool *patched_flag) { uint16_t source_id, client_id, pasid, vmid; const uint32_t *data = ih_ring_entry; /* Only handle interrupts from KFD VMIDs */ vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry); if (vmid < dev->vm_info.first_vmid_kfd || vmid > dev->vm_info.last_vmid_kfd) return false; source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry); client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry); pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry); /* Only handle clients we care about */ if (client_id != SOC15_IH_CLIENTID_GRBM_CP && client_id != SOC15_IH_CLIENTID_SDMA0 && client_id != SOC15_IH_CLIENTID_SDMA1 && client_id != SOC15_IH_CLIENTID_SDMA2 && client_id != SOC15_IH_CLIENTID_SDMA3 && client_id != SOC15_IH_CLIENTID_SDMA4 && client_id != SOC15_IH_CLIENTID_SDMA5 && client_id != SOC15_IH_CLIENTID_SDMA6 && client_id != SOC15_IH_CLIENTID_SDMA7 && client_id != SOC15_IH_CLIENTID_VMC && client_id != SOC15_IH_CLIENTID_VMC1 && client_id != SOC15_IH_CLIENTID_UTCL2 && client_id != SOC15_IH_CLIENTID_SE0SH && client_id != SOC15_IH_CLIENTID_SE1SH && client_id != SOC15_IH_CLIENTID_SE2SH && client_id != SOC15_IH_CLIENTID_SE3SH) return false; /* This is a known issue for gfx9. Under non HWS, pasid is not set * in the interrupt payload, so we need to find out the pasid on our * own. */ if (!pasid && dev->dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS) { const uint32_t pasid_mask = 0xffff; *patched_flag = true; memcpy(patched_ihre, ih_ring_entry, dev->device_info.ih_ring_entry_size); pasid = dev->dqm->vmid_pasid[vmid]; /* Patch the pasid field */ patched_ihre[3] = cpu_to_le32((le32_to_cpu(patched_ihre[3]) & ~pasid_mask) | pasid); } pr_debug("client id 0x%x, source id %d, vmid %d, pasid 0x%x. raw data:\n", client_id, source_id, vmid, pasid); pr_debug("%8X, %8X, %8X, %8X, %8X, %8X, %8X, %8X.\n", data[0], data[1], data[2], data[3], data[4], data[5], data[6], data[7]); /* If there is no valid PASID, it's likely a bug */ if (WARN_ONCE(pasid == 0, "Bug: No PASID in KFD interrupt")) return false; /* Interrupt types we care about: various signals and faults. * They will be forwarded to a work queue (see below). */ return source_id == SOC15_INTSRC_CP_END_OF_PIPE || source_id == SOC15_INTSRC_SDMA_TRAP || source_id == SOC15_INTSRC_SDMA_ECC || source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG || source_id == SOC15_INTSRC_CP_BAD_OPCODE || ((client_id == SOC15_IH_CLIENTID_VMC || client_id == SOC15_IH_CLIENTID_VMC1 || client_id == SOC15_IH_CLIENTID_UTCL2) && !amdgpu_no_queue_eviction_on_vm_fault); } static void event_interrupt_wq_v9(struct kfd_dev *dev, const uint32_t *ih_ring_entry) { uint16_t source_id, client_id, pasid, vmid; uint32_t context_id0, context_id1; uint32_t sq_intr_err, sq_int_data, encoding; source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry); client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry); pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry); vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry); context_id0 = SOC15_CONTEXT_ID0_FROM_IH_ENTRY(ih_ring_entry); context_id1 = SOC15_CONTEXT_ID1_FROM_IH_ENTRY(ih_ring_entry); if (client_id == SOC15_IH_CLIENTID_GRBM_CP || client_id == SOC15_IH_CLIENTID_SE0SH || client_id == SOC15_IH_CLIENTID_SE1SH || client_id == SOC15_IH_CLIENTID_SE2SH || client_id == SOC15_IH_CLIENTID_SE3SH) { if (source_id == SOC15_INTSRC_CP_END_OF_PIPE) kfd_signal_event_interrupt(pasid, context_id0, 32); else if (source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG) { sq_int_data = KFD_CONTEXT_ID_GET_SQ_INT_DATA(context_id0, context_id1); encoding = REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, ENCODING); switch (encoding) { case SQ_INTERRUPT_WORD_ENCODING_AUTO: pr_debug( "sq_intr: auto, se %d, ttrace %d, wlt %d, ttrac_buf_full %d, reg_tms %d, cmd_tms %d, host_cmd_ovf %d, host_reg_ovf %d, immed_ovf %d, ttrace_utc_err %d\n", REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, SE_ID), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, THREAD_TRACE), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, WLT), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, THREAD_TRACE_BUF_FULL), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, REG_TIMESTAMP), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, CMD_TIMESTAMP), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, HOST_CMD_OVERFLOW), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, HOST_REG_OVERFLOW), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, IMMED_OVERFLOW), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID, THREAD_TRACE_UTC_ERROR)); break; case SQ_INTERRUPT_WORD_ENCODING_INST: pr_debug("sq_intr: inst, se %d, data 0x%x, sh %d, priv %d, wave_id %d, simd_id %d, cu_id %d, intr_data 0x%x\n", REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, SE_ID), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, DATA), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, SH_ID), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, PRIV), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, WAVE_ID), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, SIMD_ID), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, CU_ID), sq_int_data); break; case SQ_INTERRUPT_WORD_ENCODING_ERROR: sq_intr_err = REG_GET_FIELD(sq_int_data, KFD_SQ_INT_DATA, ERR_TYPE); pr_warn("sq_intr: error, se %d, data 0x%x, sh %d, priv %d, wave_id %d, simd_id %d, cu_id %d, err_type %d\n", REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, SE_ID), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, DATA), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, SH_ID), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, PRIV), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, WAVE_ID), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, SIMD_ID), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID, CU_ID), sq_intr_err); if (sq_intr_err != SQ_INTERRUPT_ERROR_TYPE_ILLEGAL_INST && sq_intr_err != SQ_INTERRUPT_ERROR_TYPE_MEMVIOL) { event_interrupt_poison_consumption(dev, pasid, client_id); return; } break; default: break; } kfd_signal_event_interrupt(pasid, context_id0 & 0xffffff, 24); } else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE) kfd_signal_hw_exception_event(pasid); } else if (client_id == SOC15_IH_CLIENTID_SDMA0 || client_id == SOC15_IH_CLIENTID_SDMA1 || client_id == SOC15_IH_CLIENTID_SDMA2 || client_id == SOC15_IH_CLIENTID_SDMA3 || client_id == SOC15_IH_CLIENTID_SDMA4 || client_id == SOC15_IH_CLIENTID_SDMA5 || client_id == SOC15_IH_CLIENTID_SDMA6 || client_id == SOC15_IH_CLIENTID_SDMA7) { if (source_id == SOC15_INTSRC_SDMA_TRAP) { kfd_signal_event_interrupt(pasid, context_id0 & 0xfffffff, 28); } else if (source_id == SOC15_INTSRC_SDMA_ECC) { event_interrupt_poison_consumption(dev, pasid, client_id); return; } } else if (client_id == SOC15_IH_CLIENTID_VMC || client_id == SOC15_IH_CLIENTID_VMC1 || client_id == SOC15_IH_CLIENTID_UTCL2) { struct kfd_vm_fault_info info = {0}; uint16_t ring_id = SOC15_RING_ID_FROM_IH_ENTRY(ih_ring_entry); if (client_id == SOC15_IH_CLIENTID_UTCL2 && amdgpu_amdkfd_ras_query_utcl2_poison_status(dev->adev)) { event_interrupt_poison_consumption(dev, pasid, client_id); return; } info.vmid = vmid; info.mc_id = client_id; info.page_addr = ih_ring_entry[4] | (uint64_t)(ih_ring_entry[5] & 0xf) << 32; info.prot_valid = ring_id & 0x08; info.prot_read = ring_id & 0x10; info.prot_write = ring_id & 0x20; kfd_smi_event_update_vmfault(dev, pasid); kfd_dqm_evict_pasid(dev->dqm, pasid); kfd_signal_vm_fault_event(dev, pasid, &info); } } const struct kfd_event_interrupt_class event_interrupt_class_v9 = { .interrupt_isr = event_interrupt_isr_v9, .interrupt_wq = event_interrupt_wq_v9, };