/* * Copyright 2021 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 "ivsrcid/vmc/irqsrcs_vmc_1_0.h" #include "kfd_smi_events.h" #include "kfd_debug.h" /* * GFX11 SQ Interrupts * * There are 3 encoding types of interrupts sourced from SQ sent as a 44-bit * packet to the Interrupt Handler: * Auto - Generated by the SQG (various cmd overflows, timestamps etc) * Wave - Generated by S_SENDMSG through a shader program * Error - HW generated errors (Illegal instructions, Memviols, EDC etc) * * The 44-bit packet is mapped as {context_id1[7:0],context_id0[31:0]} plus * 4-bits for VMID (SOC15_VMID_FROM_IH_ENTRY) as such: * * - context_id1[7:6] * Encoding type (0 = Auto, 1 = Wave, 2 = Error) * * - context_id0[26] * PRIV bit indicates that Wave S_SEND or error occurred within trap * * - context_id0[24:0] * 25-bit data with the following layout per encoding type: * Auto - only context_id0[8:0] is used, which reports various interrupts * generated by SQG. The rest is 0. * Wave - user data sent from m0 via S_SENDMSG (context_id0[23:0]) * Error - Error Type (context_id0[24:21]), Error Details (context_id0[20:0]) * * The other context_id bits show coordinates (SE/SH/CU/SIMD/WGP) for wave * S_SENDMSG and Errors. These are 0 for Auto. */ 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_CTXID0__THREAD_TRACE__SHIFT 0 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__WLT__SHIFT 1 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF_FULL__SHIFT 2 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__REG_TIMESTAMP__SHIFT 3 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__CMD_TIMESTAMP__SHIFT 4 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__HOST_CMD_OVERFLOW__SHIFT 5 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__HOST_REG_OVERFLOW__SHIFT 6 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__IMMED_OVERFLOW__SHIFT 7 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_UTC_ERROR__SHIFT 8 #define SQ_INTERRUPT_WORD_AUTO_CTXID1__ENCODING__SHIFT 6 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_MASK 0x00000001 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__WLT_MASK 0x00000002 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF_FULL_MASK 0x00000004 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__REG_TIMESTAMP_MASK 0x00000008 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__CMD_TIMESTAMP_MASK 0x00000010 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__HOST_CMD_OVERFLOW_MASK 0x00000020 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__HOST_REG_OVERFLOW_MASK 0x00000040 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__IMMED_OVERFLOW_MASK 0x00000080 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_UTC_ERROR_MASK 0x00000100 #define SQ_INTERRUPT_WORD_AUTO_CTXID1__ENCODING_MASK 0x000000c0 /* SQ_INTERRUPT_WORD_WAVE_CTXID */ #define SQ_INTERRUPT_WORD_WAVE_CTXID0__DATA__SHIFT 0 #define SQ_INTERRUPT_WORD_WAVE_CTXID0__SH_ID__SHIFT 25 #define SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV__SHIFT 26 #define SQ_INTERRUPT_WORD_WAVE_CTXID0__WAVE_ID__SHIFT 27 #define SQ_INTERRUPT_WORD_WAVE_CTXID1__SIMD_ID__SHIFT 0 #define SQ_INTERRUPT_WORD_WAVE_CTXID1__WGP_ID__SHIFT 2 #define SQ_INTERRUPT_WORD_WAVE_CTXID1__ENCODING__SHIFT 6 #define SQ_INTERRUPT_WORD_WAVE_CTXID0__DATA_MASK 0x00ffffff /* [23:0] */ #define SQ_INTERRUPT_WORD_WAVE_CTXID0__SH_ID_MASK 0x02000000 /* [25] */ #define SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV_MASK 0x04000000 /* [26] */ #define SQ_INTERRUPT_WORD_WAVE_CTXID0__WAVE_ID_MASK 0xf8000000 /* [31:27] */ #define SQ_INTERRUPT_WORD_WAVE_CTXID1__SIMD_ID_MASK 0x00000003 /* [33:32] */ #define SQ_INTERRUPT_WORD_WAVE_CTXID1__WGP_ID_MASK 0x0000003c /* [37:34] */ #define SQ_INTERRUPT_WORD_WAVE_CTXID1__ENCODING_MASK 0x000000c0 /* [39:38] */ /* SQ_INTERRUPT_WORD_ERROR_CTXID */ #define SQ_INTERRUPT_WORD_ERROR_CTXID0__DETAIL__SHIFT 0 #define SQ_INTERRUPT_WORD_ERROR_CTXID0__TYPE__SHIFT 21 #define SQ_INTERRUPT_WORD_ERROR_CTXID0__SH_ID__SHIFT 25 #define SQ_INTERRUPT_WORD_ERROR_CTXID0__PRIV__SHIFT 26 #define SQ_INTERRUPT_WORD_ERROR_CTXID0__WAVE_ID__SHIFT 27 #define SQ_INTERRUPT_WORD_ERROR_CTXID1__SIMD_ID__SHIFT 0 #define SQ_INTERRUPT_WORD_ERROR_CTXID1__WGP_ID__SHIFT 2 #define SQ_INTERRUPT_WORD_ERROR_CTXID1__ENCODING__SHIFT 6 #define SQ_INTERRUPT_WORD_ERROR_CTXID0__DETAIL_MASK 0x001fffff /* [20:0] */ #define SQ_INTERRUPT_WORD_ERROR_CTXID0__TYPE_MASK 0x01e00000 /* [24:21] */ #define SQ_INTERRUPT_WORD_ERROR_CTXID0__SH_ID_MASK 0x02000000 /* [25] */ #define SQ_INTERRUPT_WORD_ERROR_CTXID0__PRIV_MASK 0x04000000 /* [26] */ #define SQ_INTERRUPT_WORD_ERROR_CTXID0__WAVE_ID_MASK 0xf8000000 /* [31:27] */ #define SQ_INTERRUPT_WORD_ERROR_CTXID1__SIMD_ID_MASK 0x00000003 /* [33:32] */ #define SQ_INTERRUPT_WORD_ERROR_CTXID1__WGP_ID_MASK 0x0000003c /* [37:34] */ #define SQ_INTERRUPT_WORD_ERROR_CTXID1__ENCODING_MASK 0x000000c0 /* [39:38] */ /* * The debugger will send user data(m0) with PRIV=1 to indicate it requires * notification from the KFD with the following queue id (DOORBELL_ID) and * trap code (TRAP_CODE). */ #define KFD_CTXID0_TRAP_CODE_SHIFT 10 #define KFD_CTXID0_TRAP_CODE_MASK 0xfffc00 #define KFD_CTXID0_CP_BAD_OP_ECODE_MASK 0x3ffffff #define KFD_CTXID0_DOORBELL_ID_MASK 0x0003ff #define KFD_CTXID0_TRAP_CODE(ctxid0) (((ctxid0) & \ KFD_CTXID0_TRAP_CODE_MASK) >> \ KFD_CTXID0_TRAP_CODE_SHIFT) #define KFD_CTXID0_CP_BAD_OP_ECODE(ctxid0) (((ctxid0) & \ KFD_CTXID0_CP_BAD_OP_ECODE_MASK) >> \ KFD_CTXID0_TRAP_CODE_SHIFT) #define KFD_CTXID0_DOORBELL_ID(ctxid0) ((ctxid0) & \ KFD_CTXID0_DOORBELL_ID_MASK) static void print_sq_intr_info_auto(uint32_t context_id0, uint32_t context_id1) { pr_debug_ratelimited( "sq_intr: auto, ttrace %d, wlt %d, ttrace_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_CTXID0, THREAD_TRACE), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, WLT), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, THREAD_TRACE_BUF_FULL), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, REG_TIMESTAMP), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, CMD_TIMESTAMP), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, HOST_CMD_OVERFLOW), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, HOST_REG_OVERFLOW), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, IMMED_OVERFLOW), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, THREAD_TRACE_UTC_ERROR)); } static void print_sq_intr_info_inst(uint32_t context_id0, uint32_t context_id1) { pr_debug_ratelimited( "sq_intr: inst, data 0x%08x, sh %d, priv %d, wave_id %d, simd_id %d, wgp_id %d\n", REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, DATA), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, SH_ID), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, PRIV), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, WAVE_ID), REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1, SIMD_ID), REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1, WGP_ID)); } static void print_sq_intr_info_error(uint32_t context_id0, uint32_t context_id1) { pr_warn_ratelimited( "sq_intr: error, detail 0x%08x, type %d, sh %d, priv %d, wave_id %d, simd_id %d, wgp_id %d\n", REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID0, DETAIL), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID0, TYPE), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID0, SH_ID), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID0, PRIV), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID0, WAVE_ID), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID1, SIMD_ID), REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID1, WGP_ID)); } static void event_interrupt_poison_consumption_v11(struct kfd_node *dev, uint16_t pasid, uint16_t source_id) { int 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 */ if (atomic_read(&p->poison)) { kfd_unref_process(p); return; } atomic_set(&p->poison, 1); kfd_unref_process(p); switch (source_id) { case SOC15_INTSRC_SQ_INTERRUPT_MSG: if (dev->dqm->ops.reset_queues) ret = dev->dqm->ops.reset_queues(dev->dqm, pasid); break; case SOC21_INTSRC_SDMA_ECC: 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) amdgpu_amdkfd_ras_poison_consumption_handler(dev->adev, false); else amdgpu_amdkfd_ras_poison_consumption_handler(dev->adev, true); } static bool event_interrupt_isr_v11(struct kfd_node *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; uint32_t context_id0; source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry); client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry); /* Only handle interrupts from KFD VMIDs */ vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry); if (!KFD_IRQ_IS_FENCE(client_id, source_id) && (vmid < dev->vm_info.first_vmid_kfd || vmid > dev->vm_info.last_vmid_kfd)) return false; pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry); context_id0 = SOC15_CONTEXT_ID0_FROM_IH_ENTRY(ih_ring_entry); if ((source_id == SOC15_INTSRC_CP_END_OF_PIPE) && (context_id0 & AMDGPU_FENCE_MES_QUEUE_FLAG)) return false; 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_SQ_INTERRUPT_MSG || source_id == SOC15_INTSRC_CP_BAD_OPCODE || source_id == SOC21_INTSRC_SDMA_TRAP || KFD_IRQ_IS_FENCE(client_id, source_id) || (((client_id == SOC21_IH_CLIENTID_VMC) || ((client_id == SOC21_IH_CLIENTID_GFX) && (source_id == UTCL2_1_0__SRCID__FAULT))) && !amdgpu_no_queue_eviction_on_vm_fault); } static void event_interrupt_wq_v11(struct kfd_node *dev, const uint32_t *ih_ring_entry) { uint16_t source_id, client_id, ring_id, pasid, vmid; uint32_t context_id0, context_id1; uint8_t sq_int_enc, sq_int_priv, sq_int_errtype; struct kfd_vm_fault_info info = {0}; struct kfd_hsa_memory_exception_data exception_data; source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry); client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry); ring_id = SOC15_RING_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); /* VMC, UTCL2 */ if (client_id == SOC21_IH_CLIENTID_VMC || ((client_id == SOC21_IH_CLIENTID_GFX) && (source_id == UTCL2_1_0__SRCID__FAULT))) { 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; memset(&exception_data, 0, sizeof(exception_data)); exception_data.gpu_id = dev->id; exception_data.va = (info.page_addr) << PAGE_SHIFT; exception_data.failure.NotPresent = info.prot_valid ? 1 : 0; exception_data.failure.NoExecute = info.prot_exec ? 1 : 0; exception_data.failure.ReadOnly = info.prot_write ? 1 : 0; exception_data.failure.imprecise = 0; kfd_set_dbg_ev_from_interrupt(dev, pasid, -1, KFD_EC_MASK(EC_DEVICE_MEMORY_VIOLATION), &exception_data, sizeof(exception_data)); kfd_smi_event_update_vmfault(dev, pasid); /* GRBM, SDMA, SE, PMM */ } else if (client_id == SOC21_IH_CLIENTID_GRBM_CP || client_id == SOC21_IH_CLIENTID_GFX) { /* CP */ if (source_id == SOC15_INTSRC_CP_END_OF_PIPE) kfd_signal_event_interrupt(pasid, context_id0, 32); else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE) kfd_set_dbg_ev_from_interrupt(dev, pasid, KFD_CTXID0_DOORBELL_ID(context_id0), KFD_EC_MASK(KFD_CTXID0_CP_BAD_OP_ECODE(context_id0)), NULL, 0); /* SDMA */ else if (source_id == SOC21_INTSRC_SDMA_TRAP) kfd_signal_event_interrupt(pasid, context_id0 & 0xfffffff, 28); else if (source_id == SOC21_INTSRC_SDMA_ECC) { event_interrupt_poison_consumption_v11(dev, pasid, source_id); return; } /* SQ */ else if (source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG) { sq_int_enc = REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1, ENCODING); switch (sq_int_enc) { case SQ_INTERRUPT_WORD_ENCODING_AUTO: print_sq_intr_info_auto(context_id0, context_id1); break; case SQ_INTERRUPT_WORD_ENCODING_INST: print_sq_intr_info_inst(context_id0, context_id1); sq_int_priv = REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, PRIV); if (sq_int_priv && (kfd_set_dbg_ev_from_interrupt(dev, pasid, KFD_CTXID0_DOORBELL_ID(context_id0), KFD_CTXID0_TRAP_CODE(context_id0), NULL, 0))) return; break; case SQ_INTERRUPT_WORD_ENCODING_ERROR: print_sq_intr_info_error(context_id0, context_id1); sq_int_errtype = REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID0, TYPE); if (sq_int_errtype != SQ_INTERRUPT_ERROR_TYPE_ILLEGAL_INST && sq_int_errtype != SQ_INTERRUPT_ERROR_TYPE_MEMVIOL) { event_interrupt_poison_consumption_v11( dev, pasid, source_id); return; } break; default: break; } kfd_signal_event_interrupt(pasid, context_id0 & 0xffffff, 24); } } else if (KFD_IRQ_IS_FENCE(client_id, source_id)) { kfd_process_close_interrupt_drain(pasid); } } const struct kfd_event_interrupt_class event_interrupt_class_v11 = { .interrupt_isr = event_interrupt_isr_v11, .interrupt_wq = event_interrupt_wq_v11, };