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 #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 Interrupts 30 * 31 * There are 3 encoding types of interrupts sourced from SQ sent as a 44-bit 32 * 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 program 35 * 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]} plus 38 * 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 trap 45 * 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 interrupts 49 * generated by SQG. The rest is 0. 50 * Wave - user data sent from m0 via S_SENDMSG 51 * 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 wave 54 * S_SENDMSG and Errors. These are 0 for Auto. 55 */ 56 57 enum 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 63 enum 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 0 72 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__WLT__SHIFT 1 73 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF0_FULL__SHIFT 2 74 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF1_FULL__SHIFT 3 75 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_UTC_ERROR__SHIFT 7 76 #define SQ_INTERRUPT_WORD_AUTO_CTXID1__SE_ID__SHIFT 4 77 #define SQ_INTERRUPT_WORD_AUTO_CTXID1__ENCODING__SHIFT 6 78 79 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_MASK 0x00000001 80 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__WLT_MASK 0x00000002 81 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF0_FULL_MASK 0x00000004 82 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF1_FULL_MASK 0x00000008 83 #define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_UTC_ERROR_MASK 0x00000080 84 #define SQ_INTERRUPT_WORD_AUTO_CTXID1__SE_ID_MASK 0x030 85 #define SQ_INTERRUPT_WORD_AUTO_CTXID1__ENCODING_MASK 0x0c0 86 87 /* SQ_INTERRUPT_WORD_WAVE_CTXID */ 88 #define SQ_INTERRUPT_WORD_WAVE_CTXID0__DATA__SHIFT 0 89 #define SQ_INTERRUPT_WORD_WAVE_CTXID0__SA_ID__SHIFT 23 90 #define SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV__SHIFT 24 91 #define SQ_INTERRUPT_WORD_WAVE_CTXID0__WAVE_ID__SHIFT 25 92 #define SQ_INTERRUPT_WORD_WAVE_CTXID0__SIMD_ID__SHIFT 30 93 #define SQ_INTERRUPT_WORD_WAVE_CTXID1__WGP_ID__SHIFT 0 94 #define SQ_INTERRUPT_WORD_WAVE_CTXID1__SE_ID__SHIFT 4 95 #define SQ_INTERRUPT_WORD_WAVE_CTXID1__ENCODING__SHIFT 6 96 97 #define SQ_INTERRUPT_WORD_WAVE_CTXID0__DATA_MASK 0x000007fffff 98 #define SQ_INTERRUPT_WORD_WAVE_CTXID0__SA_ID_MASK 0x0000800000 99 #define SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV_MASK 0x00001000000 100 #define SQ_INTERRUPT_WORD_WAVE_CTXID0__WAVE_ID_MASK 0x0003e000000 101 #define SQ_INTERRUPT_WORD_WAVE_CTXID0__SIMD_ID_MASK 0x000c0000000 102 #define SQ_INTERRUPT_WORD_WAVE_CTXID1__WGP_ID_MASK 0x00f 103 #define SQ_INTERRUPT_WORD_WAVE_CTXID1__SE_ID_MASK 0x030 104 #define SQ_INTERRUPT_WORD_WAVE_CTXID1__ENCODING_MASK 0x0c0 105 106 #define KFD_CTXID0__ERR_TYPE_MASK 0x780000 107 #define KFD_CTXID0__ERR_TYPE__SHIFT 19 108 109 /* GFX10 SQ interrupt ENC type bit (context_id1[7:6]) for wave s_sendmsg */ 110 #define KFD_CONTEXT_ID1_ENC_TYPE_WAVE_MASK 0x40 111 /* GFX10 SQ interrupt PRIV bit (context_id0[24]) for s_sendmsg inside trap */ 112 #define KFD_CONTEXT_ID0_PRIV_MASK 0x1000000 113 /* 114 * The debugger will send user data(m0) with PRIV=1 to indicate it requires 115 * notification from the KFD with the following queue id (DOORBELL_ID) and 116 * trap code (TRAP_CODE). 117 */ 118 #define KFD_CONTEXT_ID0_DEBUG_DOORBELL_MASK 0x0003ff 119 #define KFD_CONTEXT_ID0_DEBUG_TRAP_CODE_SHIFT 10 120 #define KFD_CONTEXT_ID0_DEBUG_TRAP_CODE_MASK 0x07fc00 121 #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 0x3fffc00 127 #define KFD_DEBUG_CP_BAD_OP_ECODE_SHIFT 10 128 #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) 131 132 static 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 } 193 194 static 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 } 337 338 const 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