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1/*2 * Copyright 2023 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 */22 23#include "kfd_events.h"24#include "kfd_debug.h"25#include "soc15_int.h"26#include "kfd_device_queue_manager.h"27 28/*29 * GFX10 SQ Interrupts30 *31 * There are 3 encoding types of interrupts sourced from SQ sent as a 44-bit32 * packet to the Interrupt Handler:33 * Auto - Generated by the SQG (various cmd overflows, timestamps etc)34 * Wave - Generated by S_SENDMSG through a shader program35 * Error - HW generated errors (Illegal instructions, Memviols, EDC etc)36 *37 * The 44-bit packet is mapped as {context_id1[7:0],context_id0[31:0]} plus38 * 4-bits for VMID (SOC15_VMID_FROM_IH_ENTRY) as such:39 *40 * - context_id1[7:6]41 * Encoding type (0 = Auto, 1 = Wave, 2 = Error)42 *43 * - context_id0[24]44 * PRIV bit indicates that Wave S_SEND or error occurred within trap45 *46 * - context_id0[22:0]47 * 23-bit data with the following layout per encoding type:48 * Auto - only context_id0[8:0] is used, which reports various interrupts49 * generated by SQG. The rest is 0.50 * Wave - user data sent from m0 via S_SENDMSG51 * Error - Error type (context_id0[22:19]), Error Details (rest of bits)52 *53 * The other context_id bits show coordinates (SE/SH/CU/SIMD/WGP) for wave54 * S_SENDMSG and Errors. These are 0 for Auto.55 */56 57enum SQ_INTERRUPT_WORD_ENCODING {58 SQ_INTERRUPT_WORD_ENCODING_AUTO = 0x0,59 SQ_INTERRUPT_WORD_ENCODING_INST,60 SQ_INTERRUPT_WORD_ENCODING_ERROR,61};62 63enum SQ_INTERRUPT_ERROR_TYPE {64 SQ_INTERRUPT_ERROR_TYPE_EDC_FUE = 0x0,65 SQ_INTERRUPT_ERROR_TYPE_ILLEGAL_INST,66 SQ_INTERRUPT_ERROR_TYPE_MEMVIOL,67 SQ_INTERRUPT_ERROR_TYPE_EDC_FED,68};69 70/* SQ_INTERRUPT_WORD_AUTO_CTXID */71#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE__SHIFT 072#define SQ_INTERRUPT_WORD_AUTO_CTXID0__WLT__SHIFT 173#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF0_FULL__SHIFT 274#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF1_FULL__SHIFT 375#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_UTC_ERROR__SHIFT 776#define SQ_INTERRUPT_WORD_AUTO_CTXID1__SE_ID__SHIFT 477#define SQ_INTERRUPT_WORD_AUTO_CTXID1__ENCODING__SHIFT 678 79#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_MASK 0x0000000180#define SQ_INTERRUPT_WORD_AUTO_CTXID0__WLT_MASK 0x0000000281#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF0_FULL_MASK 0x0000000482#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF1_FULL_MASK 0x0000000883#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_UTC_ERROR_MASK 0x0000008084#define SQ_INTERRUPT_WORD_AUTO_CTXID1__SE_ID_MASK 0x03085#define SQ_INTERRUPT_WORD_AUTO_CTXID1__ENCODING_MASK 0x0c086 87/* SQ_INTERRUPT_WORD_WAVE_CTXID */88#define SQ_INTERRUPT_WORD_WAVE_CTXID0__DATA__SHIFT 089#define SQ_INTERRUPT_WORD_WAVE_CTXID0__SA_ID__SHIFT 2390#define SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV__SHIFT 2491#define SQ_INTERRUPT_WORD_WAVE_CTXID0__WAVE_ID__SHIFT 2592#define SQ_INTERRUPT_WORD_WAVE_CTXID0__SIMD_ID__SHIFT 3093#define SQ_INTERRUPT_WORD_WAVE_CTXID1__WGP_ID__SHIFT 094#define SQ_INTERRUPT_WORD_WAVE_CTXID1__SE_ID__SHIFT 495#define SQ_INTERRUPT_WORD_WAVE_CTXID1__ENCODING__SHIFT 696 97#define SQ_INTERRUPT_WORD_WAVE_CTXID0__DATA_MASK 0x000007fffff98#define SQ_INTERRUPT_WORD_WAVE_CTXID0__SA_ID_MASK 0x000080000099#define SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV_MASK 0x00001000000100#define SQ_INTERRUPT_WORD_WAVE_CTXID0__WAVE_ID_MASK 0x0003e000000101#define SQ_INTERRUPT_WORD_WAVE_CTXID0__SIMD_ID_MASK 0x000c0000000102#define SQ_INTERRUPT_WORD_WAVE_CTXID1__WGP_ID_MASK 0x00f103#define SQ_INTERRUPT_WORD_WAVE_CTXID1__SE_ID_MASK 0x030104#define SQ_INTERRUPT_WORD_WAVE_CTXID1__ENCODING_MASK 0x0c0105 106#define KFD_CTXID0__ERR_TYPE_MASK 0x780000107#define KFD_CTXID0__ERR_TYPE__SHIFT 19108 109/* GFX10 SQ interrupt ENC type bit (context_id1[7:6]) for wave s_sendmsg */110#define KFD_CONTEXT_ID1_ENC_TYPE_WAVE_MASK 0x40111/* GFX10 SQ interrupt PRIV bit (context_id0[24]) for s_sendmsg inside trap */112#define KFD_CONTEXT_ID0_PRIV_MASK 0x1000000113/*114 * The debugger will send user data(m0) with PRIV=1 to indicate it requires115 * notification from the KFD with the following queue id (DOORBELL_ID) and116 * trap code (TRAP_CODE).117 */118#define KFD_CONTEXT_ID0_DEBUG_DOORBELL_MASK 0x0003ff119#define KFD_CONTEXT_ID0_DEBUG_TRAP_CODE_SHIFT 10120#define KFD_CONTEXT_ID0_DEBUG_TRAP_CODE_MASK 0x07fc00121#define KFD_DEBUG_DOORBELL_ID(ctxid0) ((ctxid0) & \122 KFD_CONTEXT_ID0_DEBUG_DOORBELL_MASK)123#define KFD_DEBUG_TRAP_CODE(ctxid0) (((ctxid0) & \124 KFD_CONTEXT_ID0_DEBUG_TRAP_CODE_MASK) \125 >> KFD_CONTEXT_ID0_DEBUG_TRAP_CODE_SHIFT)126#define KFD_DEBUG_CP_BAD_OP_ECODE_MASK 0x3fffc00127#define KFD_DEBUG_CP_BAD_OP_ECODE_SHIFT 10128#define KFD_DEBUG_CP_BAD_OP_ECODE(ctxid0) (((ctxid0) & \129 KFD_DEBUG_CP_BAD_OP_ECODE_MASK) \130 >> KFD_DEBUG_CP_BAD_OP_ECODE_SHIFT)131 132static bool event_interrupt_isr_v10(struct kfd_node *dev,133 const uint32_t *ih_ring_entry,134 uint32_t *patched_ihre,135 bool *patched_flag)136{137 uint16_t source_id, client_id, pasid, vmid;138 const uint32_t *data = ih_ring_entry;139 140 source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry);141 client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry);142 143 /* Only handle interrupts from KFD VMIDs */144 vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry);145 if (!KFD_IRQ_IS_FENCE(client_id, source_id) &&146 (vmid < dev->vm_info.first_vmid_kfd ||147 vmid > dev->vm_info.last_vmid_kfd))148 return false;149 150 pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry);151 152 /* Only handle clients we care about */153 if (client_id != SOC15_IH_CLIENTID_GRBM_CP &&154 client_id != SOC15_IH_CLIENTID_SDMA0 &&155 client_id != SOC15_IH_CLIENTID_SDMA1 &&156 client_id != SOC15_IH_CLIENTID_SDMA2 &&157 client_id != SOC15_IH_CLIENTID_SDMA3 &&158 client_id != SOC15_IH_CLIENTID_SDMA4 &&159 client_id != SOC15_IH_CLIENTID_SDMA5 &&160 client_id != SOC15_IH_CLIENTID_SDMA6 &&161 client_id != SOC15_IH_CLIENTID_SDMA7 &&162 client_id != SOC15_IH_CLIENTID_VMC &&163 client_id != SOC15_IH_CLIENTID_VMC1 &&164 client_id != SOC15_IH_CLIENTID_UTCL2 &&165 client_id != SOC15_IH_CLIENTID_SE0SH &&166 client_id != SOC15_IH_CLIENTID_SE1SH &&167 client_id != SOC15_IH_CLIENTID_SE2SH &&168 client_id != SOC15_IH_CLIENTID_SE3SH)169 return false;170 171 pr_debug("client id 0x%x, source id %d, vmid %d, pasid 0x%x. raw data:\n",172 client_id, source_id, vmid, pasid);173 pr_debug("%8X, %8X, %8X, %8X, %8X, %8X, %8X, %8X.\n",174 data[0], data[1], data[2], data[3],175 data[4], data[5], data[6], data[7]);176 177 /* If there is no valid PASID, it's likely a bug */178 if (WARN_ONCE(pasid == 0, "Bug: No PASID in KFD interrupt"))179 return 0;180 181 /* Interrupt types we care about: various signals and faults.182 * They will be forwarded to a work queue (see below).183 */184 return source_id == SOC15_INTSRC_CP_END_OF_PIPE ||185 source_id == SOC15_INTSRC_SDMA_TRAP ||186 source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG ||187 source_id == SOC15_INTSRC_CP_BAD_OPCODE ||188 client_id == SOC15_IH_CLIENTID_VMC ||189 client_id == SOC15_IH_CLIENTID_VMC1 ||190 client_id == SOC15_IH_CLIENTID_UTCL2 ||191 KFD_IRQ_IS_FENCE(client_id, source_id);192}193 194static void event_interrupt_wq_v10(struct kfd_node *dev,195 const uint32_t *ih_ring_entry)196{197 uint16_t source_id, client_id, pasid, vmid;198 uint32_t context_id0, context_id1;199 uint32_t encoding, sq_intr_err_type;200 201 source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry);202 client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry);203 pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry);204 vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry);205 context_id0 = SOC15_CONTEXT_ID0_FROM_IH_ENTRY(ih_ring_entry);206 context_id1 = SOC15_CONTEXT_ID1_FROM_IH_ENTRY(ih_ring_entry);207 208 if (client_id == SOC15_IH_CLIENTID_GRBM_CP ||209 client_id == SOC15_IH_CLIENTID_SE0SH ||210 client_id == SOC15_IH_CLIENTID_SE1SH ||211 client_id == SOC15_IH_CLIENTID_SE2SH ||212 client_id == SOC15_IH_CLIENTID_SE3SH) {213 if (source_id == SOC15_INTSRC_CP_END_OF_PIPE)214 kfd_signal_event_interrupt(pasid, context_id0, 32);215 else if (source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG) {216 encoding = REG_GET_FIELD(context_id1,217 SQ_INTERRUPT_WORD_WAVE_CTXID1, ENCODING);218 switch (encoding) {219 case SQ_INTERRUPT_WORD_ENCODING_AUTO:220 pr_debug_ratelimited(221 "sq_intr: auto, se %d, ttrace %d, wlt %d, ttrac_buf0_full %d, ttrac_buf1_full %d, ttrace_utc_err %d\n",222 REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_AUTO_CTXID1,223 SE_ID),224 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0,225 THREAD_TRACE),226 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0,227 WLT),228 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0,229 THREAD_TRACE_BUF0_FULL),230 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0,231 THREAD_TRACE_BUF1_FULL),232 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0,233 THREAD_TRACE_UTC_ERROR));234 break;235 case SQ_INTERRUPT_WORD_ENCODING_INST:236 pr_debug_ratelimited("sq_intr: inst, se %d, data 0x%x, sa %d, priv %d, wave_id %d, simd_id %d, wgp_id %d\n",237 REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1,238 SE_ID),239 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,240 DATA),241 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,242 SA_ID),243 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,244 PRIV),245 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,246 WAVE_ID),247 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,248 SIMD_ID),249 REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1,250 WGP_ID));251 if (context_id0 & SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV_MASK) {252 if (kfd_set_dbg_ev_from_interrupt(dev, pasid,253 KFD_DEBUG_DOORBELL_ID(context_id0),254 KFD_DEBUG_TRAP_CODE(context_id0),255 NULL, 0))256 return;257 }258 break;259 case SQ_INTERRUPT_WORD_ENCODING_ERROR:260 sq_intr_err_type = REG_GET_FIELD(context_id0, KFD_CTXID0,261 ERR_TYPE);262 pr_warn_ratelimited("sq_intr: error, se %d, data 0x%x, sa %d, priv %d, wave_id %d, simd_id %d, wgp_id %d, err_type %d\n",263 REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1,264 SE_ID),265 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,266 DATA),267 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,268 SA_ID),269 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,270 PRIV),271 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,272 WAVE_ID),273 REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0,274 SIMD_ID),275 REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1,276 WGP_ID),277 sq_intr_err_type);278 break;279 default:280 break;281 }282 kfd_signal_event_interrupt(pasid, context_id0 & 0x7fffff, 23);283 } else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE &&284 KFD_DBG_EC_TYPE_IS_PACKET(KFD_DEBUG_CP_BAD_OP_ECODE(context_id0))) {285 kfd_set_dbg_ev_from_interrupt(dev, pasid,286 KFD_DEBUG_DOORBELL_ID(context_id0),287 KFD_EC_MASK(KFD_DEBUG_CP_BAD_OP_ECODE(context_id0)),288 NULL,289 0);290 }291 } else if (client_id == SOC15_IH_CLIENTID_SDMA0 ||292 client_id == SOC15_IH_CLIENTID_SDMA1 ||293 client_id == SOC15_IH_CLIENTID_SDMA2 ||294 client_id == SOC15_IH_CLIENTID_SDMA3 ||295 (client_id == SOC15_IH_CLIENTID_SDMA3_Sienna_Cichlid &&296 KFD_GC_VERSION(dev) == IP_VERSION(10, 3, 0)) ||297 client_id == SOC15_IH_CLIENTID_SDMA4 ||298 client_id == SOC15_IH_CLIENTID_SDMA5 ||299 client_id == SOC15_IH_CLIENTID_SDMA6 ||300 client_id == SOC15_IH_CLIENTID_SDMA7) {301 if (source_id == SOC15_INTSRC_SDMA_TRAP) {302 kfd_signal_event_interrupt(pasid, context_id0 & 0xfffffff, 28);303 }304 } else if (client_id == SOC15_IH_CLIENTID_VMC ||305 client_id == SOC15_IH_CLIENTID_VMC1 ||306 client_id == SOC15_IH_CLIENTID_UTCL2) {307 struct kfd_vm_fault_info info = {0};308 uint16_t ring_id = SOC15_RING_ID_FROM_IH_ENTRY(ih_ring_entry);309 struct kfd_hsa_memory_exception_data exception_data;310 311 info.vmid = vmid;312 info.mc_id = client_id;313 info.page_addr = ih_ring_entry[4] |314 (uint64_t)(ih_ring_entry[5] & 0xf) << 32;315 info.prot_valid = ring_id & 0x08;316 info.prot_read = ring_id & 0x10;317 info.prot_write = ring_id & 0x20;318 319 memset(&exception_data, 0, sizeof(exception_data));320 exception_data.gpu_id = dev->id;321 exception_data.va = (info.page_addr) << PAGE_SHIFT;322 exception_data.failure.NotPresent = info.prot_valid ? 1 : 0;323 exception_data.failure.NoExecute = info.prot_exec ? 1 : 0;324 exception_data.failure.ReadOnly = info.prot_write ? 1 : 0;325 exception_data.failure.imprecise = 0;326 327 kfd_set_dbg_ev_from_interrupt(dev,328 pasid,329 -1,330 KFD_EC_MASK(EC_DEVICE_MEMORY_VIOLATION),331 &exception_data,332 sizeof(exception_data));333 } else if (KFD_IRQ_IS_FENCE(client_id, source_id)) {334 kfd_process_close_interrupt_drain(pasid);335 }336}337 338const struct kfd_event_interrupt_class event_interrupt_class_v10 = {339 .interrupt_isr = event_interrupt_isr_v10,340 .interrupt_wq = event_interrupt_wq_v10,341};342