1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2014 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 #include "qla_target.h" 9 10 #include <linux/delay.h> 11 #include <linux/slab.h> 12 #include <linux/cpu.h> 13 #include <linux/t10-pi.h> 14 #include <scsi/scsi_tcq.h> 15 #include <scsi/scsi_bsg_fc.h> 16 #include <scsi/scsi_eh.h> 17 #include <scsi/fc/fc_fs.h> 18 #include <linux/nvme-fc-driver.h> 19 20 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); 21 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); 22 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); 23 static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, 24 sts_entry_t *); 25 26 /** 27 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. 28 * @irq: 29 * @dev_id: SCSI driver HA context 30 * 31 * Called by system whenever the host adapter generates an interrupt. 32 * 33 * Returns handled flag. 34 */ 35 irqreturn_t 36 qla2100_intr_handler(int irq, void *dev_id) 37 { 38 scsi_qla_host_t *vha; 39 struct qla_hw_data *ha; 40 struct device_reg_2xxx __iomem *reg; 41 int status; 42 unsigned long iter; 43 uint16_t hccr; 44 uint16_t mb[4]; 45 struct rsp_que *rsp; 46 unsigned long flags; 47 48 rsp = (struct rsp_que *) dev_id; 49 if (!rsp) { 50 ql_log(ql_log_info, NULL, 0x505d, 51 "%s: NULL response queue pointer.\n", __func__); 52 return (IRQ_NONE); 53 } 54 55 ha = rsp->hw; 56 reg = &ha->iobase->isp; 57 status = 0; 58 59 spin_lock_irqsave(&ha->hardware_lock, flags); 60 vha = pci_get_drvdata(ha->pdev); 61 for (iter = 50; iter--; ) { 62 hccr = RD_REG_WORD(®->hccr); 63 if (qla2x00_check_reg16_for_disconnect(vha, hccr)) 64 break; 65 if (hccr & HCCR_RISC_PAUSE) { 66 if (pci_channel_offline(ha->pdev)) 67 break; 68 69 /* 70 * Issue a "HARD" reset in order for the RISC interrupt 71 * bit to be cleared. Schedule a big hammer to get 72 * out of the RISC PAUSED state. 73 */ 74 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 75 RD_REG_WORD(®->hccr); 76 77 ha->isp_ops->fw_dump(vha, 1); 78 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 79 break; 80 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) 81 break; 82 83 if (RD_REG_WORD(®->semaphore) & BIT_0) { 84 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 85 RD_REG_WORD(®->hccr); 86 87 /* Get mailbox data. */ 88 mb[0] = RD_MAILBOX_REG(ha, reg, 0); 89 if (mb[0] > 0x3fff && mb[0] < 0x8000) { 90 qla2x00_mbx_completion(vha, mb[0]); 91 status |= MBX_INTERRUPT; 92 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { 93 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 94 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 95 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 96 qla2x00_async_event(vha, rsp, mb); 97 } else { 98 /*EMPTY*/ 99 ql_dbg(ql_dbg_async, vha, 0x5025, 100 "Unrecognized interrupt type (%d).\n", 101 mb[0]); 102 } 103 /* Release mailbox registers. */ 104 WRT_REG_WORD(®->semaphore, 0); 105 RD_REG_WORD(®->semaphore); 106 } else { 107 qla2x00_process_response_queue(rsp); 108 109 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 110 RD_REG_WORD(®->hccr); 111 } 112 } 113 qla2x00_handle_mbx_completion(ha, status); 114 spin_unlock_irqrestore(&ha->hardware_lock, flags); 115 116 return (IRQ_HANDLED); 117 } 118 119 bool 120 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) 121 { 122 /* Check for PCI disconnection */ 123 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) { 124 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) && 125 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) && 126 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) { 127 /* 128 * Schedule this (only once) on the default system 129 * workqueue so that all the adapter workqueues and the 130 * DPC thread can be shutdown cleanly. 131 */ 132 schedule_work(&vha->hw->board_disable); 133 } 134 return true; 135 } else 136 return false; 137 } 138 139 bool 140 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) 141 { 142 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg); 143 } 144 145 /** 146 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 147 * @irq: 148 * @dev_id: SCSI driver HA context 149 * 150 * Called by system whenever the host adapter generates an interrupt. 151 * 152 * Returns handled flag. 153 */ 154 irqreturn_t 155 qla2300_intr_handler(int irq, void *dev_id) 156 { 157 scsi_qla_host_t *vha; 158 struct device_reg_2xxx __iomem *reg; 159 int status; 160 unsigned long iter; 161 uint32_t stat; 162 uint16_t hccr; 163 uint16_t mb[4]; 164 struct rsp_que *rsp; 165 struct qla_hw_data *ha; 166 unsigned long flags; 167 168 rsp = (struct rsp_que *) dev_id; 169 if (!rsp) { 170 ql_log(ql_log_info, NULL, 0x5058, 171 "%s: NULL response queue pointer.\n", __func__); 172 return (IRQ_NONE); 173 } 174 175 ha = rsp->hw; 176 reg = &ha->iobase->isp; 177 status = 0; 178 179 spin_lock_irqsave(&ha->hardware_lock, flags); 180 vha = pci_get_drvdata(ha->pdev); 181 for (iter = 50; iter--; ) { 182 stat = RD_REG_DWORD(®->u.isp2300.host_status); 183 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 184 break; 185 if (stat & HSR_RISC_PAUSED) { 186 if (unlikely(pci_channel_offline(ha->pdev))) 187 break; 188 189 hccr = RD_REG_WORD(®->hccr); 190 191 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) 192 ql_log(ql_log_warn, vha, 0x5026, 193 "Parity error -- HCCR=%x, Dumping " 194 "firmware.\n", hccr); 195 else 196 ql_log(ql_log_warn, vha, 0x5027, 197 "RISC paused -- HCCR=%x, Dumping " 198 "firmware.\n", hccr); 199 200 /* 201 * Issue a "HARD" reset in order for the RISC 202 * interrupt bit to be cleared. Schedule a big 203 * hammer to get out of the RISC PAUSED state. 204 */ 205 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 206 RD_REG_WORD(®->hccr); 207 208 ha->isp_ops->fw_dump(vha, 1); 209 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 210 break; 211 } else if ((stat & HSR_RISC_INT) == 0) 212 break; 213 214 switch (stat & 0xff) { 215 case 0x1: 216 case 0x2: 217 case 0x10: 218 case 0x11: 219 qla2x00_mbx_completion(vha, MSW(stat)); 220 status |= MBX_INTERRUPT; 221 222 /* Release mailbox registers. */ 223 WRT_REG_WORD(®->semaphore, 0); 224 break; 225 case 0x12: 226 mb[0] = MSW(stat); 227 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 228 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 229 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 230 qla2x00_async_event(vha, rsp, mb); 231 break; 232 case 0x13: 233 qla2x00_process_response_queue(rsp); 234 break; 235 case 0x15: 236 mb[0] = MBA_CMPLT_1_16BIT; 237 mb[1] = MSW(stat); 238 qla2x00_async_event(vha, rsp, mb); 239 break; 240 case 0x16: 241 mb[0] = MBA_SCSI_COMPLETION; 242 mb[1] = MSW(stat); 243 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 244 qla2x00_async_event(vha, rsp, mb); 245 break; 246 default: 247 ql_dbg(ql_dbg_async, vha, 0x5028, 248 "Unrecognized interrupt type (%d).\n", stat & 0xff); 249 break; 250 } 251 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 252 RD_REG_WORD_RELAXED(®->hccr); 253 } 254 qla2x00_handle_mbx_completion(ha, status); 255 spin_unlock_irqrestore(&ha->hardware_lock, flags); 256 257 return (IRQ_HANDLED); 258 } 259 260 /** 261 * qla2x00_mbx_completion() - Process mailbox command completions. 262 * @vha: SCSI driver HA context 263 * @mb0: Mailbox0 register 264 */ 265 static void 266 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 267 { 268 uint16_t cnt; 269 uint32_t mboxes; 270 uint16_t __iomem *wptr; 271 struct qla_hw_data *ha = vha->hw; 272 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 273 274 /* Read all mbox registers? */ 275 WARN_ON_ONCE(ha->mbx_count > 32); 276 mboxes = (1ULL << ha->mbx_count) - 1; 277 if (!ha->mcp) 278 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); 279 else 280 mboxes = ha->mcp->in_mb; 281 282 /* Load return mailbox registers. */ 283 ha->flags.mbox_int = 1; 284 ha->mailbox_out[0] = mb0; 285 mboxes >>= 1; 286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); 287 288 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 289 if (IS_QLA2200(ha) && cnt == 8) 290 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); 291 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) 292 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); 293 else if (mboxes & BIT_0) 294 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 295 296 wptr++; 297 mboxes >>= 1; 298 } 299 } 300 301 static void 302 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) 303 { 304 static char *event[] = 305 { "Complete", "Request Notification", "Time Extension" }; 306 int rval; 307 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; 308 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; 309 uint16_t __iomem *wptr; 310 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; 311 312 /* Seed data -- mailbox1 -> mailbox7. */ 313 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) 314 wptr = (uint16_t __iomem *)®24->mailbox1; 315 else if (IS_QLA8044(vha->hw)) 316 wptr = (uint16_t __iomem *)®82->mailbox_out[1]; 317 else 318 return; 319 320 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) 321 mb[cnt] = RD_REG_WORD(wptr); 322 323 ql_dbg(ql_dbg_async, vha, 0x5021, 324 "Inter-Driver Communication %s -- " 325 "%04x %04x %04x %04x %04x %04x %04x.\n", 326 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], 327 mb[4], mb[5], mb[6]); 328 switch (aen) { 329 /* Handle IDC Error completion case. */ 330 case MBA_IDC_COMPLETE: 331 if (mb[1] >> 15) { 332 vha->hw->flags.idc_compl_status = 1; 333 if (vha->hw->notify_dcbx_comp && !vha->vp_idx) 334 complete(&vha->hw->dcbx_comp); 335 } 336 break; 337 338 case MBA_IDC_NOTIFY: 339 /* Acknowledgement needed? [Notify && non-zero timeout]. */ 340 timeout = (descr >> 8) & 0xf; 341 ql_dbg(ql_dbg_async, vha, 0x5022, 342 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", 343 vha->host_no, event[aen & 0xff], timeout); 344 345 if (!timeout) 346 return; 347 rval = qla2x00_post_idc_ack_work(vha, mb); 348 if (rval != QLA_SUCCESS) 349 ql_log(ql_log_warn, vha, 0x5023, 350 "IDC failed to post ACK.\n"); 351 break; 352 case MBA_IDC_TIME_EXT: 353 vha->hw->idc_extend_tmo = descr; 354 ql_dbg(ql_dbg_async, vha, 0x5087, 355 "%lu Inter-Driver Communication %s -- " 356 "Extend timeout by=%d.\n", 357 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); 358 break; 359 } 360 } 361 362 #define LS_UNKNOWN 2 363 const char * 364 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) 365 { 366 static const char *const link_speeds[] = { 367 "1", "2", "?", "4", "8", "16", "32", "10" 368 }; 369 #define QLA_LAST_SPEED 7 370 371 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 372 return link_speeds[0]; 373 else if (speed == 0x13) 374 return link_speeds[QLA_LAST_SPEED]; 375 else if (speed < QLA_LAST_SPEED) 376 return link_speeds[speed]; 377 else 378 return link_speeds[LS_UNKNOWN]; 379 } 380 381 static void 382 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 383 { 384 struct qla_hw_data *ha = vha->hw; 385 386 /* 387 * 8200 AEN Interpretation: 388 * mb[0] = AEN code 389 * mb[1] = AEN Reason code 390 * mb[2] = LSW of Peg-Halt Status-1 Register 391 * mb[6] = MSW of Peg-Halt Status-1 Register 392 * mb[3] = LSW of Peg-Halt Status-2 register 393 * mb[7] = MSW of Peg-Halt Status-2 register 394 * mb[4] = IDC Device-State Register value 395 * mb[5] = IDC Driver-Presence Register value 396 */ 397 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " 398 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", 399 mb[0], mb[1], mb[2], mb[6]); 400 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " 401 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " 402 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); 403 404 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | 405 IDC_HEARTBEAT_FAILURE)) { 406 ha->flags.nic_core_hung = 1; 407 ql_log(ql_log_warn, vha, 0x5060, 408 "83XX: F/W Error Reported: Check if reset required.\n"); 409 410 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { 411 uint32_t protocol_engine_id, fw_err_code, err_level; 412 413 /* 414 * IDC_PEG_HALT_STATUS_CHANGE interpretation: 415 * - PEG-Halt Status-1 Register: 416 * (LSW = mb[2], MSW = mb[6]) 417 * Bits 0-7 = protocol-engine ID 418 * Bits 8-28 = f/w error code 419 * Bits 29-31 = Error-level 420 * Error-level 0x1 = Non-Fatal error 421 * Error-level 0x2 = Recoverable Fatal error 422 * Error-level 0x4 = UnRecoverable Fatal error 423 * - PEG-Halt Status-2 Register: 424 * (LSW = mb[3], MSW = mb[7]) 425 */ 426 protocol_engine_id = (mb[2] & 0xff); 427 fw_err_code = (((mb[2] & 0xff00) >> 8) | 428 ((mb[6] & 0x1fff) << 8)); 429 err_level = ((mb[6] & 0xe000) >> 13); 430 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " 431 "Register: protocol_engine_id=0x%x " 432 "fw_err_code=0x%x err_level=0x%x.\n", 433 protocol_engine_id, fw_err_code, err_level); 434 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " 435 "Register: 0x%x%x.\n", mb[7], mb[3]); 436 if (err_level == ERR_LEVEL_NON_FATAL) { 437 ql_log(ql_log_warn, vha, 0x5063, 438 "Not a fatal error, f/w has recovered itself.\n"); 439 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { 440 ql_log(ql_log_fatal, vha, 0x5064, 441 "Recoverable Fatal error: Chip reset " 442 "required.\n"); 443 qla83xx_schedule_work(vha, 444 QLA83XX_NIC_CORE_RESET); 445 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { 446 ql_log(ql_log_fatal, vha, 0x5065, 447 "Unrecoverable Fatal error: Set FAILED " 448 "state, reboot required.\n"); 449 qla83xx_schedule_work(vha, 450 QLA83XX_NIC_CORE_UNRECOVERABLE); 451 } 452 } 453 454 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { 455 uint16_t peg_fw_state, nw_interface_link_up; 456 uint16_t nw_interface_signal_detect, sfp_status; 457 uint16_t htbt_counter, htbt_monitor_enable; 458 uint16_t sfp_additional_info, sfp_multirate; 459 uint16_t sfp_tx_fault, link_speed, dcbx_status; 460 461 /* 462 * IDC_NIC_FW_REPORTED_FAILURE interpretation: 463 * - PEG-to-FC Status Register: 464 * (LSW = mb[2], MSW = mb[6]) 465 * Bits 0-7 = Peg-Firmware state 466 * Bit 8 = N/W Interface Link-up 467 * Bit 9 = N/W Interface signal detected 468 * Bits 10-11 = SFP Status 469 * SFP Status 0x0 = SFP+ transceiver not expected 470 * SFP Status 0x1 = SFP+ transceiver not present 471 * SFP Status 0x2 = SFP+ transceiver invalid 472 * SFP Status 0x3 = SFP+ transceiver present and 473 * valid 474 * Bits 12-14 = Heartbeat Counter 475 * Bit 15 = Heartbeat Monitor Enable 476 * Bits 16-17 = SFP Additional Info 477 * SFP info 0x0 = Unregocnized transceiver for 478 * Ethernet 479 * SFP info 0x1 = SFP+ brand validation failed 480 * SFP info 0x2 = SFP+ speed validation failed 481 * SFP info 0x3 = SFP+ access error 482 * Bit 18 = SFP Multirate 483 * Bit 19 = SFP Tx Fault 484 * Bits 20-22 = Link Speed 485 * Bits 23-27 = Reserved 486 * Bits 28-30 = DCBX Status 487 * DCBX Status 0x0 = DCBX Disabled 488 * DCBX Status 0x1 = DCBX Enabled 489 * DCBX Status 0x2 = DCBX Exchange error 490 * Bit 31 = Reserved 491 */ 492 peg_fw_state = (mb[2] & 0x00ff); 493 nw_interface_link_up = ((mb[2] & 0x0100) >> 8); 494 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); 495 sfp_status = ((mb[2] & 0x0c00) >> 10); 496 htbt_counter = ((mb[2] & 0x7000) >> 12); 497 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); 498 sfp_additional_info = (mb[6] & 0x0003); 499 sfp_multirate = ((mb[6] & 0x0004) >> 2); 500 sfp_tx_fault = ((mb[6] & 0x0008) >> 3); 501 link_speed = ((mb[6] & 0x0070) >> 4); 502 dcbx_status = ((mb[6] & 0x7000) >> 12); 503 504 ql_log(ql_log_warn, vha, 0x5066, 505 "Peg-to-Fc Status Register:\n" 506 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " 507 "nw_interface_signal_detect=0x%x" 508 "\nsfp_statis=0x%x.\n ", peg_fw_state, 509 nw_interface_link_up, nw_interface_signal_detect, 510 sfp_status); 511 ql_log(ql_log_warn, vha, 0x5067, 512 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " 513 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ", 514 htbt_counter, htbt_monitor_enable, 515 sfp_additional_info, sfp_multirate); 516 ql_log(ql_log_warn, vha, 0x5068, 517 "sfp_tx_fault=0x%x, link_state=0x%x, " 518 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, 519 dcbx_status); 520 521 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 522 } 523 524 if (mb[1] & IDC_HEARTBEAT_FAILURE) { 525 ql_log(ql_log_warn, vha, 0x5069, 526 "Heartbeat Failure encountered, chip reset " 527 "required.\n"); 528 529 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 530 } 531 } 532 533 if (mb[1] & IDC_DEVICE_STATE_CHANGE) { 534 ql_log(ql_log_info, vha, 0x506a, 535 "IDC Device-State changed = 0x%x.\n", mb[4]); 536 if (ha->flags.nic_core_reset_owner) 537 return; 538 qla83xx_schedule_work(vha, MBA_IDC_AEN); 539 } 540 } 541 542 int 543 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) 544 { 545 struct qla_hw_data *ha = vha->hw; 546 scsi_qla_host_t *vp; 547 uint32_t vp_did; 548 unsigned long flags; 549 int ret = 0; 550 551 if (!ha->num_vhosts) 552 return ret; 553 554 spin_lock_irqsave(&ha->vport_slock, flags); 555 list_for_each_entry(vp, &ha->vp_list, list) { 556 vp_did = vp->d_id.b24; 557 if (vp_did == rscn_entry) { 558 ret = 1; 559 break; 560 } 561 } 562 spin_unlock_irqrestore(&ha->vport_slock, flags); 563 564 return ret; 565 } 566 567 fc_port_t * 568 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id) 569 { 570 fc_port_t *f, *tf; 571 572 f = tf = NULL; 573 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) 574 if (f->loop_id == loop_id) 575 return f; 576 return NULL; 577 } 578 579 fc_port_t * 580 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted) 581 { 582 fc_port_t *f, *tf; 583 584 f = tf = NULL; 585 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 586 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) { 587 if (incl_deleted) 588 return f; 589 else if (f->deleted == 0) 590 return f; 591 } 592 } 593 return NULL; 594 } 595 596 fc_port_t * 597 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id, 598 u8 incl_deleted) 599 { 600 fc_port_t *f, *tf; 601 602 f = tf = NULL; 603 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 604 if (f->d_id.b24 == id->b24) { 605 if (incl_deleted) 606 return f; 607 else if (f->deleted == 0) 608 return f; 609 } 610 } 611 return NULL; 612 } 613 614 /** 615 * qla2x00_async_event() - Process aynchronous events. 616 * @vha: SCSI driver HA context 617 * @rsp: response queue 618 * @mb: Mailbox registers (0 - 3) 619 */ 620 void 621 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 622 { 623 uint16_t handle_cnt; 624 uint16_t cnt, mbx; 625 uint32_t handles[5]; 626 struct qla_hw_data *ha = vha->hw; 627 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 628 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 629 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 630 uint32_t rscn_entry, host_pid; 631 unsigned long flags; 632 fc_port_t *fcport = NULL; 633 634 if (!vha->hw->flags.fw_started) 635 return; 636 637 /* Setup to process RIO completion. */ 638 handle_cnt = 0; 639 if (IS_CNA_CAPABLE(ha)) 640 goto skip_rio; 641 switch (mb[0]) { 642 case MBA_SCSI_COMPLETION: 643 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 644 handle_cnt = 1; 645 break; 646 case MBA_CMPLT_1_16BIT: 647 handles[0] = mb[1]; 648 handle_cnt = 1; 649 mb[0] = MBA_SCSI_COMPLETION; 650 break; 651 case MBA_CMPLT_2_16BIT: 652 handles[0] = mb[1]; 653 handles[1] = mb[2]; 654 handle_cnt = 2; 655 mb[0] = MBA_SCSI_COMPLETION; 656 break; 657 case MBA_CMPLT_3_16BIT: 658 handles[0] = mb[1]; 659 handles[1] = mb[2]; 660 handles[2] = mb[3]; 661 handle_cnt = 3; 662 mb[0] = MBA_SCSI_COMPLETION; 663 break; 664 case MBA_CMPLT_4_16BIT: 665 handles[0] = mb[1]; 666 handles[1] = mb[2]; 667 handles[2] = mb[3]; 668 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 669 handle_cnt = 4; 670 mb[0] = MBA_SCSI_COMPLETION; 671 break; 672 case MBA_CMPLT_5_16BIT: 673 handles[0] = mb[1]; 674 handles[1] = mb[2]; 675 handles[2] = mb[3]; 676 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 677 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 678 handle_cnt = 5; 679 mb[0] = MBA_SCSI_COMPLETION; 680 break; 681 case MBA_CMPLT_2_32BIT: 682 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 683 handles[1] = le32_to_cpu( 684 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | 685 RD_MAILBOX_REG(ha, reg, 6)); 686 handle_cnt = 2; 687 mb[0] = MBA_SCSI_COMPLETION; 688 break; 689 default: 690 break; 691 } 692 skip_rio: 693 switch (mb[0]) { 694 case MBA_SCSI_COMPLETION: /* Fast Post */ 695 if (!vha->flags.online) 696 break; 697 698 for (cnt = 0; cnt < handle_cnt; cnt++) 699 qla2x00_process_completed_request(vha, rsp->req, 700 handles[cnt]); 701 break; 702 703 case MBA_RESET: /* Reset */ 704 ql_dbg(ql_dbg_async, vha, 0x5002, 705 "Asynchronous RESET.\n"); 706 707 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 708 break; 709 710 case MBA_SYSTEM_ERR: /* System Error */ 711 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ? 712 RD_REG_WORD(®24->mailbox7) : 0; 713 ql_log(ql_log_warn, vha, 0x5003, 714 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " 715 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); 716 717 ha->isp_ops->fw_dump(vha, 1); 718 ha->flags.fw_init_done = 0; 719 QLA_FW_STOPPED(ha); 720 721 if (IS_FWI2_CAPABLE(ha)) { 722 if (mb[1] == 0 && mb[2] == 0) { 723 ql_log(ql_log_fatal, vha, 0x5004, 724 "Unrecoverable Hardware Error: adapter " 725 "marked OFFLINE!\n"); 726 vha->flags.online = 0; 727 vha->device_flags |= DFLG_DEV_FAILED; 728 } else { 729 /* Check to see if MPI timeout occurred */ 730 if ((mbx & MBX_3) && (ha->port_no == 0)) 731 set_bit(MPI_RESET_NEEDED, 732 &vha->dpc_flags); 733 734 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 735 } 736 } else if (mb[1] == 0) { 737 ql_log(ql_log_fatal, vha, 0x5005, 738 "Unrecoverable Hardware Error: adapter marked " 739 "OFFLINE!\n"); 740 vha->flags.online = 0; 741 vha->device_flags |= DFLG_DEV_FAILED; 742 } else 743 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 744 break; 745 746 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 747 ql_log(ql_log_warn, vha, 0x5006, 748 "ISP Request Transfer Error (%x).\n", mb[1]); 749 750 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 751 break; 752 753 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 754 ql_log(ql_log_warn, vha, 0x5007, 755 "ISP Response Transfer Error (%x).\n", mb[1]); 756 757 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 758 break; 759 760 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 761 ql_dbg(ql_dbg_async, vha, 0x5008, 762 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); 763 break; 764 765 case MBA_LOOP_INIT_ERR: 766 ql_log(ql_log_warn, vha, 0x5090, 767 "LOOP INIT ERROR (%x).\n", mb[1]); 768 ha->isp_ops->fw_dump(vha, 1); 769 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 770 break; 771 772 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 773 ha->flags.lip_ae = 1; 774 775 ql_dbg(ql_dbg_async, vha, 0x5009, 776 "LIP occurred (%x).\n", mb[1]); 777 778 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 779 atomic_set(&vha->loop_state, LOOP_DOWN); 780 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 781 qla2x00_mark_all_devices_lost(vha, 1); 782 } 783 784 if (vha->vp_idx) { 785 atomic_set(&vha->vp_state, VP_FAILED); 786 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 787 } 788 789 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 790 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 791 792 vha->flags.management_server_logged_in = 0; 793 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 794 break; 795 796 case MBA_LOOP_UP: /* Loop Up Event */ 797 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 798 ha->link_data_rate = PORT_SPEED_1GB; 799 else 800 ha->link_data_rate = mb[1]; 801 802 ql_log(ql_log_info, vha, 0x500a, 803 "LOOP UP detected (%s Gbps).\n", 804 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 805 806 vha->flags.management_server_logged_in = 0; 807 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 808 809 if (AUTO_DETECT_SFP_SUPPORT(vha)) { 810 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); 811 qla2xxx_wake_dpc(vha); 812 } 813 break; 814 815 case MBA_LOOP_DOWN: /* Loop Down Event */ 816 SAVE_TOPO(ha); 817 ha->flags.lip_ae = 0; 818 ha->current_topology = 0; 819 820 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 821 ? RD_REG_WORD(®24->mailbox4) : 0; 822 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) 823 : mbx; 824 ql_log(ql_log_info, vha, 0x500b, 825 "LOOP DOWN detected (%x %x %x %x).\n", 826 mb[1], mb[2], mb[3], mbx); 827 828 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 829 atomic_set(&vha->loop_state, LOOP_DOWN); 830 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 831 /* 832 * In case of loop down, restore WWPN from 833 * NVRAM in case of FA-WWPN capable ISP 834 * Restore for Physical Port only 835 */ 836 if (!vha->vp_idx) { 837 if (ha->flags.fawwpn_enabled) { 838 void *wwpn = ha->init_cb->port_name; 839 memcpy(vha->port_name, wwpn, WWN_SIZE); 840 fc_host_port_name(vha->host) = 841 wwn_to_u64(vha->port_name); 842 ql_dbg(ql_dbg_init + ql_dbg_verbose, 843 vha, 0x00d8, "LOOP DOWN detected," 844 "restore WWPN %016llx\n", 845 wwn_to_u64(vha->port_name)); 846 } 847 848 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 849 } 850 851 vha->device_flags |= DFLG_NO_CABLE; 852 qla2x00_mark_all_devices_lost(vha, 1); 853 } 854 855 if (vha->vp_idx) { 856 atomic_set(&vha->vp_state, VP_FAILED); 857 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 858 } 859 860 vha->flags.management_server_logged_in = 0; 861 ha->link_data_rate = PORT_SPEED_UNKNOWN; 862 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 863 break; 864 865 case MBA_LIP_RESET: /* LIP reset occurred */ 866 ql_dbg(ql_dbg_async, vha, 0x500c, 867 "LIP reset occurred (%x).\n", mb[1]); 868 869 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 870 atomic_set(&vha->loop_state, LOOP_DOWN); 871 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 872 qla2x00_mark_all_devices_lost(vha, 1); 873 } 874 875 if (vha->vp_idx) { 876 atomic_set(&vha->vp_state, VP_FAILED); 877 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 878 } 879 880 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 881 882 ha->operating_mode = LOOP; 883 vha->flags.management_server_logged_in = 0; 884 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 885 break; 886 887 /* case MBA_DCBX_COMPLETE: */ 888 case MBA_POINT_TO_POINT: /* Point-to-Point */ 889 ha->flags.lip_ae = 0; 890 891 if (IS_QLA2100(ha)) 892 break; 893 894 if (IS_CNA_CAPABLE(ha)) { 895 ql_dbg(ql_dbg_async, vha, 0x500d, 896 "DCBX Completed -- %04x %04x %04x.\n", 897 mb[1], mb[2], mb[3]); 898 if (ha->notify_dcbx_comp && !vha->vp_idx) 899 complete(&ha->dcbx_comp); 900 901 } else 902 ql_dbg(ql_dbg_async, vha, 0x500e, 903 "Asynchronous P2P MODE received.\n"); 904 905 /* 906 * Until there's a transition from loop down to loop up, treat 907 * this as loop down only. 908 */ 909 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 910 atomic_set(&vha->loop_state, LOOP_DOWN); 911 if (!atomic_read(&vha->loop_down_timer)) 912 atomic_set(&vha->loop_down_timer, 913 LOOP_DOWN_TIME); 914 if (!N2N_TOPO(ha)) 915 qla2x00_mark_all_devices_lost(vha, 1); 916 } 917 918 if (vha->vp_idx) { 919 atomic_set(&vha->vp_state, VP_FAILED); 920 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 921 } 922 923 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 924 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 925 926 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 927 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 928 929 vha->flags.management_server_logged_in = 0; 930 break; 931 932 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 933 if (IS_QLA2100(ha)) 934 break; 935 936 ql_dbg(ql_dbg_async, vha, 0x500f, 937 "Configuration change detected: value=%x.\n", mb[1]); 938 939 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 940 atomic_set(&vha->loop_state, LOOP_DOWN); 941 if (!atomic_read(&vha->loop_down_timer)) 942 atomic_set(&vha->loop_down_timer, 943 LOOP_DOWN_TIME); 944 qla2x00_mark_all_devices_lost(vha, 1); 945 } 946 947 if (vha->vp_idx) { 948 atomic_set(&vha->vp_state, VP_FAILED); 949 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 950 } 951 952 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 953 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 954 break; 955 956 case MBA_PORT_UPDATE: /* Port database update */ 957 /* 958 * Handle only global and vn-port update events 959 * 960 * Relevant inputs: 961 * mb[1] = N_Port handle of changed port 962 * OR 0xffff for global event 963 * mb[2] = New login state 964 * 7 = Port logged out 965 * mb[3] = LSB is vp_idx, 0xff = all vps 966 * 967 * Skip processing if: 968 * Event is global, vp_idx is NOT all vps, 969 * vp_idx does not match 970 * Event is not global, vp_idx does not match 971 */ 972 if (IS_QLA2XXX_MIDTYPE(ha) && 973 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 974 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 975 break; 976 977 if (mb[2] == 0x7) { 978 ql_dbg(ql_dbg_async, vha, 0x5010, 979 "Port %s %04x %04x %04x.\n", 980 mb[1] == 0xffff ? "unavailable" : "logout", 981 mb[1], mb[2], mb[3]); 982 983 if (mb[1] == 0xffff) 984 goto global_port_update; 985 986 if (mb[1] == NPH_SNS_LID(ha)) { 987 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 988 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 989 break; 990 } 991 992 /* use handle_cnt for loop id/nport handle */ 993 if (IS_FWI2_CAPABLE(ha)) 994 handle_cnt = NPH_SNS; 995 else 996 handle_cnt = SIMPLE_NAME_SERVER; 997 if (mb[1] == handle_cnt) { 998 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 999 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1000 break; 1001 } 1002 1003 /* Port logout */ 1004 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); 1005 if (!fcport) 1006 break; 1007 if (atomic_read(&fcport->state) != FCS_ONLINE) 1008 break; 1009 ql_dbg(ql_dbg_async, vha, 0x508a, 1010 "Marking port lost loopid=%04x portid=%06x.\n", 1011 fcport->loop_id, fcport->d_id.b24); 1012 if (qla_ini_mode_enabled(vha)) { 1013 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 1014 fcport->logout_on_delete = 0; 1015 qlt_schedule_sess_for_deletion(fcport); 1016 } 1017 break; 1018 1019 global_port_update: 1020 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1021 atomic_set(&vha->loop_state, LOOP_DOWN); 1022 atomic_set(&vha->loop_down_timer, 1023 LOOP_DOWN_TIME); 1024 vha->device_flags |= DFLG_NO_CABLE; 1025 qla2x00_mark_all_devices_lost(vha, 1); 1026 } 1027 1028 if (vha->vp_idx) { 1029 atomic_set(&vha->vp_state, VP_FAILED); 1030 fc_vport_set_state(vha->fc_vport, 1031 FC_VPORT_FAILED); 1032 qla2x00_mark_all_devices_lost(vha, 1); 1033 } 1034 1035 vha->flags.management_server_logged_in = 0; 1036 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1037 break; 1038 } 1039 1040 /* 1041 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 1042 * event etc. earlier indicating loop is down) then process 1043 * it. Otherwise ignore it and Wait for RSCN to come in. 1044 */ 1045 atomic_set(&vha->loop_down_timer, 0); 1046 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 1047 !ha->flags.n2n_ae && 1048 atomic_read(&vha->loop_state) != LOOP_DEAD) { 1049 ql_dbg(ql_dbg_async, vha, 0x5011, 1050 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 1051 mb[1], mb[2], mb[3]); 1052 1053 qlt_async_event(mb[0], vha, mb); 1054 break; 1055 } 1056 1057 ql_dbg(ql_dbg_async, vha, 0x5012, 1058 "Port database changed %04x %04x %04x.\n", 1059 mb[1], mb[2], mb[3]); 1060 1061 /* 1062 * Mark all devices as missing so we will login again. 1063 */ 1064 atomic_set(&vha->loop_state, LOOP_UP); 1065 vha->scan.scan_retry = 0; 1066 1067 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1068 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1069 set_bit(VP_CONFIG_OK, &vha->vp_flags); 1070 1071 qlt_async_event(mb[0], vha, mb); 1072 break; 1073 1074 case MBA_RSCN_UPDATE: /* State Change Registration */ 1075 /* Check if the Vport has issued a SCR */ 1076 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 1077 break; 1078 /* Only handle SCNs for our Vport index. */ 1079 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 1080 break; 1081 1082 ql_dbg(ql_dbg_async, vha, 0x5013, 1083 "RSCN database changed -- %04x %04x %04x.\n", 1084 mb[1], mb[2], mb[3]); 1085 1086 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 1087 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 1088 | vha->d_id.b.al_pa; 1089 if (rscn_entry == host_pid) { 1090 ql_dbg(ql_dbg_async, vha, 0x5014, 1091 "Ignoring RSCN update to local host " 1092 "port ID (%06x).\n", host_pid); 1093 break; 1094 } 1095 1096 /* Ignore reserved bits from RSCN-payload. */ 1097 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 1098 1099 /* Skip RSCNs for virtual ports on the same physical port */ 1100 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 1101 break; 1102 1103 atomic_set(&vha->loop_down_timer, 0); 1104 vha->flags.management_server_logged_in = 0; 1105 { 1106 struct event_arg ea; 1107 1108 memset(&ea, 0, sizeof(ea)); 1109 ea.event = FCME_RSCN; 1110 ea.id.b24 = rscn_entry; 1111 ea.id.b.rsvd_1 = rscn_entry >> 24; 1112 qla2x00_fcport_event_handler(vha, &ea); 1113 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1114 } 1115 break; 1116 /* case MBA_RIO_RESPONSE: */ 1117 case MBA_ZIO_RESPONSE: 1118 ql_dbg(ql_dbg_async, vha, 0x5015, 1119 "[R|Z]IO update completion.\n"); 1120 1121 if (IS_FWI2_CAPABLE(ha)) 1122 qla24xx_process_response_queue(vha, rsp); 1123 else 1124 qla2x00_process_response_queue(rsp); 1125 break; 1126 1127 case MBA_DISCARD_RND_FRAME: 1128 ql_dbg(ql_dbg_async, vha, 0x5016, 1129 "Discard RND Frame -- %04x %04x %04x.\n", 1130 mb[1], mb[2], mb[3]); 1131 break; 1132 1133 case MBA_TRACE_NOTIFICATION: 1134 ql_dbg(ql_dbg_async, vha, 0x5017, 1135 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1136 break; 1137 1138 case MBA_ISP84XX_ALERT: 1139 ql_dbg(ql_dbg_async, vha, 0x5018, 1140 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1141 mb[1], mb[2], mb[3]); 1142 1143 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1144 switch (mb[1]) { 1145 case A84_PANIC_RECOVERY: 1146 ql_log(ql_log_info, vha, 0x5019, 1147 "Alert 84XX: panic recovery %04x %04x.\n", 1148 mb[2], mb[3]); 1149 break; 1150 case A84_OP_LOGIN_COMPLETE: 1151 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1152 ql_log(ql_log_info, vha, 0x501a, 1153 "Alert 84XX: firmware version %x.\n", 1154 ha->cs84xx->op_fw_version); 1155 break; 1156 case A84_DIAG_LOGIN_COMPLETE: 1157 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1158 ql_log(ql_log_info, vha, 0x501b, 1159 "Alert 84XX: diagnostic firmware version %x.\n", 1160 ha->cs84xx->diag_fw_version); 1161 break; 1162 case A84_GOLD_LOGIN_COMPLETE: 1163 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1164 ha->cs84xx->fw_update = 1; 1165 ql_log(ql_log_info, vha, 0x501c, 1166 "Alert 84XX: gold firmware version %x.\n", 1167 ha->cs84xx->gold_fw_version); 1168 break; 1169 default: 1170 ql_log(ql_log_warn, vha, 0x501d, 1171 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1172 mb[1], mb[2], mb[3]); 1173 } 1174 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1175 break; 1176 case MBA_DCBX_START: 1177 ql_dbg(ql_dbg_async, vha, 0x501e, 1178 "DCBX Started -- %04x %04x %04x.\n", 1179 mb[1], mb[2], mb[3]); 1180 break; 1181 case MBA_DCBX_PARAM_UPDATE: 1182 ql_dbg(ql_dbg_async, vha, 0x501f, 1183 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1184 mb[1], mb[2], mb[3]); 1185 break; 1186 case MBA_FCF_CONF_ERR: 1187 ql_dbg(ql_dbg_async, vha, 0x5020, 1188 "FCF Configuration Error -- %04x %04x %04x.\n", 1189 mb[1], mb[2], mb[3]); 1190 break; 1191 case MBA_IDC_NOTIFY: 1192 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1193 mb[4] = RD_REG_WORD(®24->mailbox4); 1194 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1195 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1196 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1197 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1198 /* 1199 * Extend loop down timer since port is active. 1200 */ 1201 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1202 atomic_set(&vha->loop_down_timer, 1203 LOOP_DOWN_TIME); 1204 qla2xxx_wake_dpc(vha); 1205 } 1206 } 1207 /* fall through */ 1208 case MBA_IDC_COMPLETE: 1209 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1210 complete(&ha->lb_portup_comp); 1211 /* Fallthru */ 1212 case MBA_IDC_TIME_EXT: 1213 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1214 IS_QLA8044(ha)) 1215 qla81xx_idc_event(vha, mb[0], mb[1]); 1216 break; 1217 1218 case MBA_IDC_AEN: 1219 mb[4] = RD_REG_WORD(®24->mailbox4); 1220 mb[5] = RD_REG_WORD(®24->mailbox5); 1221 mb[6] = RD_REG_WORD(®24->mailbox6); 1222 mb[7] = RD_REG_WORD(®24->mailbox7); 1223 qla83xx_handle_8200_aen(vha, mb); 1224 break; 1225 1226 case MBA_DPORT_DIAGNOSTICS: 1227 ql_dbg(ql_dbg_async, vha, 0x5052, 1228 "D-Port Diagnostics: %04x result=%s\n", 1229 mb[0], 1230 mb[1] == 0 ? "start" : 1231 mb[1] == 1 ? "done (pass)" : 1232 mb[1] == 2 ? "done (error)" : "other"); 1233 break; 1234 1235 case MBA_TEMPERATURE_ALERT: 1236 ql_dbg(ql_dbg_async, vha, 0x505e, 1237 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); 1238 if (mb[1] == 0x12) 1239 schedule_work(&ha->board_disable); 1240 break; 1241 1242 case MBA_TRANS_INSERT: 1243 ql_dbg(ql_dbg_async, vha, 0x5091, 1244 "Transceiver Insertion: %04x\n", mb[1]); 1245 break; 1246 1247 default: 1248 ql_dbg(ql_dbg_async, vha, 0x5057, 1249 "Unknown AEN:%04x %04x %04x %04x\n", 1250 mb[0], mb[1], mb[2], mb[3]); 1251 } 1252 1253 qlt_async_event(mb[0], vha, mb); 1254 1255 if (!vha->vp_idx && ha->num_vhosts) 1256 qla2x00_alert_all_vps(rsp, mb); 1257 } 1258 1259 /** 1260 * qla2x00_process_completed_request() - Process a Fast Post response. 1261 * @vha: SCSI driver HA context 1262 * @req: request queue 1263 * @index: SRB index 1264 */ 1265 void 1266 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1267 struct req_que *req, uint32_t index) 1268 { 1269 srb_t *sp; 1270 struct qla_hw_data *ha = vha->hw; 1271 1272 /* Validate handle. */ 1273 if (index >= req->num_outstanding_cmds) { 1274 ql_log(ql_log_warn, vha, 0x3014, 1275 "Invalid SCSI command index (%x).\n", index); 1276 1277 if (IS_P3P_TYPE(ha)) 1278 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1279 else 1280 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1281 return; 1282 } 1283 1284 sp = req->outstanding_cmds[index]; 1285 if (sp) { 1286 /* Free outstanding command slot. */ 1287 req->outstanding_cmds[index] = NULL; 1288 1289 /* Save ISP completion status */ 1290 sp->done(sp, DID_OK << 16); 1291 } else { 1292 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1293 1294 if (IS_P3P_TYPE(ha)) 1295 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1296 else 1297 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1298 } 1299 } 1300 1301 srb_t * 1302 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1303 struct req_que *req, void *iocb) 1304 { 1305 struct qla_hw_data *ha = vha->hw; 1306 sts_entry_t *pkt = iocb; 1307 srb_t *sp = NULL; 1308 uint16_t index; 1309 1310 index = LSW(pkt->handle); 1311 if (index >= req->num_outstanding_cmds) { 1312 ql_log(ql_log_warn, vha, 0x5031, 1313 "Invalid command index (%x) type %8ph.\n", 1314 index, iocb); 1315 if (IS_P3P_TYPE(ha)) 1316 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1317 else 1318 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1319 goto done; 1320 } 1321 sp = req->outstanding_cmds[index]; 1322 if (!sp) { 1323 ql_log(ql_log_warn, vha, 0x5032, 1324 "Invalid completion handle (%x) -- timed-out.\n", index); 1325 return sp; 1326 } 1327 if (sp->handle != index) { 1328 ql_log(ql_log_warn, vha, 0x5033, 1329 "SRB handle (%x) mismatch %x.\n", sp->handle, index); 1330 return NULL; 1331 } 1332 1333 req->outstanding_cmds[index] = NULL; 1334 1335 done: 1336 return sp; 1337 } 1338 1339 static void 1340 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1341 struct mbx_entry *mbx) 1342 { 1343 const char func[] = "MBX-IOCB"; 1344 const char *type; 1345 fc_port_t *fcport; 1346 srb_t *sp; 1347 struct srb_iocb *lio; 1348 uint16_t *data; 1349 uint16_t status; 1350 1351 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1352 if (!sp) 1353 return; 1354 1355 lio = &sp->u.iocb_cmd; 1356 type = sp->name; 1357 fcport = sp->fcport; 1358 data = lio->u.logio.data; 1359 1360 data[0] = MBS_COMMAND_ERROR; 1361 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1362 QLA_LOGIO_LOGIN_RETRIED : 0; 1363 if (mbx->entry_status) { 1364 ql_dbg(ql_dbg_async, vha, 0x5043, 1365 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1366 "entry-status=%x status=%x state-flag=%x " 1367 "status-flags=%x.\n", type, sp->handle, 1368 fcport->d_id.b.domain, fcport->d_id.b.area, 1369 fcport->d_id.b.al_pa, mbx->entry_status, 1370 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1371 le16_to_cpu(mbx->status_flags)); 1372 1373 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1374 (uint8_t *)mbx, sizeof(*mbx)); 1375 1376 goto logio_done; 1377 } 1378 1379 status = le16_to_cpu(mbx->status); 1380 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1381 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1382 status = 0; 1383 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1384 ql_dbg(ql_dbg_async, vha, 0x5045, 1385 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1386 type, sp->handle, fcport->d_id.b.domain, 1387 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1388 le16_to_cpu(mbx->mb1)); 1389 1390 data[0] = MBS_COMMAND_COMPLETE; 1391 if (sp->type == SRB_LOGIN_CMD) { 1392 fcport->port_type = FCT_TARGET; 1393 if (le16_to_cpu(mbx->mb1) & BIT_0) 1394 fcport->port_type = FCT_INITIATOR; 1395 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1396 fcport->flags |= FCF_FCP2_DEVICE; 1397 } 1398 goto logio_done; 1399 } 1400 1401 data[0] = le16_to_cpu(mbx->mb0); 1402 switch (data[0]) { 1403 case MBS_PORT_ID_USED: 1404 data[1] = le16_to_cpu(mbx->mb1); 1405 break; 1406 case MBS_LOOP_ID_USED: 1407 break; 1408 default: 1409 data[0] = MBS_COMMAND_ERROR; 1410 break; 1411 } 1412 1413 ql_log(ql_log_warn, vha, 0x5046, 1414 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1415 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1416 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1417 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1418 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1419 le16_to_cpu(mbx->mb7)); 1420 1421 logio_done: 1422 sp->done(sp, 0); 1423 } 1424 1425 static void 1426 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1427 struct mbx_24xx_entry *pkt) 1428 { 1429 const char func[] = "MBX-IOCB2"; 1430 srb_t *sp; 1431 struct srb_iocb *si; 1432 u16 sz, i; 1433 int res; 1434 1435 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1436 if (!sp) 1437 return; 1438 1439 si = &sp->u.iocb_cmd; 1440 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); 1441 1442 for (i = 0; i < sz; i++) 1443 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]); 1444 1445 res = (si->u.mbx.in_mb[0] & MBS_MASK); 1446 1447 sp->done(sp, res); 1448 } 1449 1450 static void 1451 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1452 struct nack_to_isp *pkt) 1453 { 1454 const char func[] = "nack"; 1455 srb_t *sp; 1456 int res = 0; 1457 1458 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1459 if (!sp) 1460 return; 1461 1462 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) 1463 res = QLA_FUNCTION_FAILED; 1464 1465 sp->done(sp, res); 1466 } 1467 1468 static void 1469 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1470 sts_entry_t *pkt, int iocb_type) 1471 { 1472 const char func[] = "CT_IOCB"; 1473 const char *type; 1474 srb_t *sp; 1475 struct bsg_job *bsg_job; 1476 struct fc_bsg_reply *bsg_reply; 1477 uint16_t comp_status; 1478 int res = 0; 1479 1480 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1481 if (!sp) 1482 return; 1483 1484 switch (sp->type) { 1485 case SRB_CT_CMD: 1486 bsg_job = sp->u.bsg_job; 1487 bsg_reply = bsg_job->reply; 1488 1489 type = "ct pass-through"; 1490 1491 comp_status = le16_to_cpu(pkt->comp_status); 1492 1493 /* 1494 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1495 * fc payload to the caller 1496 */ 1497 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1498 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1499 1500 if (comp_status != CS_COMPLETE) { 1501 if (comp_status == CS_DATA_UNDERRUN) { 1502 res = DID_OK << 16; 1503 bsg_reply->reply_payload_rcv_len = 1504 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); 1505 1506 ql_log(ql_log_warn, vha, 0x5048, 1507 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", 1508 type, comp_status, 1509 bsg_reply->reply_payload_rcv_len); 1510 } else { 1511 ql_log(ql_log_warn, vha, 0x5049, 1512 "CT pass-through-%s error comp_status=0x%x.\n", 1513 type, comp_status); 1514 res = DID_ERROR << 16; 1515 bsg_reply->reply_payload_rcv_len = 0; 1516 } 1517 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 1518 (uint8_t *)pkt, sizeof(*pkt)); 1519 } else { 1520 res = DID_OK << 16; 1521 bsg_reply->reply_payload_rcv_len = 1522 bsg_job->reply_payload.payload_len; 1523 bsg_job->reply_len = 0; 1524 } 1525 break; 1526 case SRB_CT_PTHRU_CMD: 1527 /* 1528 * borrowing sts_entry_24xx.comp_status. 1529 * same location as ct_entry_24xx.comp_status 1530 */ 1531 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 1532 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1533 sp->name); 1534 break; 1535 } 1536 1537 sp->done(sp, res); 1538 } 1539 1540 static void 1541 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1542 struct sts_entry_24xx *pkt, int iocb_type) 1543 { 1544 const char func[] = "ELS_CT_IOCB"; 1545 const char *type; 1546 srb_t *sp; 1547 struct bsg_job *bsg_job; 1548 struct fc_bsg_reply *bsg_reply; 1549 uint16_t comp_status; 1550 uint32_t fw_status[3]; 1551 int res; 1552 struct srb_iocb *els; 1553 1554 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1555 if (!sp) 1556 return; 1557 1558 type = NULL; 1559 switch (sp->type) { 1560 case SRB_ELS_CMD_RPT: 1561 case SRB_ELS_CMD_HST: 1562 type = "els"; 1563 break; 1564 case SRB_CT_CMD: 1565 type = "ct pass-through"; 1566 break; 1567 case SRB_ELS_DCMD: 1568 type = "Driver ELS logo"; 1569 if (iocb_type != ELS_IOCB_TYPE) { 1570 ql_dbg(ql_dbg_user, vha, 0x5047, 1571 "Completing %s: (%p) type=%d.\n", 1572 type, sp, sp->type); 1573 sp->done(sp, 0); 1574 return; 1575 } 1576 break; 1577 case SRB_CT_PTHRU_CMD: 1578 /* borrowing sts_entry_24xx.comp_status. 1579 same location as ct_entry_24xx.comp_status 1580 */ 1581 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt, 1582 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1583 sp->name); 1584 sp->done(sp, res); 1585 return; 1586 default: 1587 ql_dbg(ql_dbg_user, vha, 0x503e, 1588 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 1589 return; 1590 } 1591 1592 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 1593 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); 1594 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); 1595 1596 if (iocb_type == ELS_IOCB_TYPE) { 1597 els = &sp->u.iocb_cmd; 1598 els->u.els_plogi.fw_status[0] = fw_status[0]; 1599 els->u.els_plogi.fw_status[1] = fw_status[1]; 1600 els->u.els_plogi.fw_status[2] = fw_status[2]; 1601 els->u.els_plogi.comp_status = fw_status[0]; 1602 if (comp_status == CS_COMPLETE) { 1603 res = DID_OK << 16; 1604 } else { 1605 if (comp_status == CS_DATA_UNDERRUN) { 1606 res = DID_OK << 16; 1607 els->u.els_plogi.len = 1608 le16_to_cpu(((struct els_sts_entry_24xx *) 1609 pkt)->total_byte_count); 1610 } else { 1611 els->u.els_plogi.len = 0; 1612 res = DID_ERROR << 16; 1613 } 1614 } 1615 ql_log(ql_log_info, vha, 0x503f, 1616 "ELS IOCB Done -%s error hdl=%x comp_status=0x%x error subcode 1=0x%x error subcode 2=0x%x total_byte=0x%x\n", 1617 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1618 le16_to_cpu(((struct els_sts_entry_24xx *) 1619 pkt)->total_byte_count)); 1620 goto els_ct_done; 1621 } 1622 1623 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1624 * fc payload to the caller 1625 */ 1626 bsg_job = sp->u.bsg_job; 1627 bsg_reply = bsg_job->reply; 1628 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1629 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 1630 1631 if (comp_status != CS_COMPLETE) { 1632 if (comp_status == CS_DATA_UNDERRUN) { 1633 res = DID_OK << 16; 1634 bsg_reply->reply_payload_rcv_len = 1635 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); 1636 1637 ql_dbg(ql_dbg_user, vha, 0x503f, 1638 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1639 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 1640 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1641 le16_to_cpu(((struct els_sts_entry_24xx *) 1642 pkt)->total_byte_count)); 1643 } else { 1644 ql_dbg(ql_dbg_user, vha, 0x5040, 1645 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1646 "error subcode 1=0x%x error subcode 2=0x%x.\n", 1647 type, sp->handle, comp_status, 1648 le16_to_cpu(((struct els_sts_entry_24xx *) 1649 pkt)->error_subcode_1), 1650 le16_to_cpu(((struct els_sts_entry_24xx *) 1651 pkt)->error_subcode_2)); 1652 res = DID_ERROR << 16; 1653 bsg_reply->reply_payload_rcv_len = 0; 1654 } 1655 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), 1656 fw_status, sizeof(fw_status)); 1657 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 1658 (uint8_t *)pkt, sizeof(*pkt)); 1659 } 1660 else { 1661 res = DID_OK << 16; 1662 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 1663 bsg_job->reply_len = 0; 1664 } 1665 els_ct_done: 1666 1667 sp->done(sp, res); 1668 } 1669 1670 static void 1671 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 1672 struct logio_entry_24xx *logio) 1673 { 1674 const char func[] = "LOGIO-IOCB"; 1675 const char *type; 1676 fc_port_t *fcport; 1677 srb_t *sp; 1678 struct srb_iocb *lio; 1679 uint16_t *data; 1680 uint32_t iop[2]; 1681 1682 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 1683 if (!sp) 1684 return; 1685 1686 lio = &sp->u.iocb_cmd; 1687 type = sp->name; 1688 fcport = sp->fcport; 1689 data = lio->u.logio.data; 1690 1691 data[0] = MBS_COMMAND_ERROR; 1692 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1693 QLA_LOGIO_LOGIN_RETRIED : 0; 1694 if (logio->entry_status) { 1695 ql_log(ql_log_warn, fcport->vha, 0x5034, 1696 "Async-%s error entry - %8phC hdl=%x" 1697 "portid=%02x%02x%02x entry-status=%x.\n", 1698 type, fcport->port_name, sp->handle, fcport->d_id.b.domain, 1699 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1700 logio->entry_status); 1701 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 1702 (uint8_t *)logio, sizeof(*logio)); 1703 1704 goto logio_done; 1705 } 1706 1707 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 1708 ql_dbg(ql_dbg_async, fcport->vha, 0x5036, 1709 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x " 1710 "iop0=%x.\n", type, fcport->port_name, sp->handle, 1711 fcport->d_id.b.domain, 1712 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1713 le32_to_cpu(logio->io_parameter[0])); 1714 1715 vha->hw->exch_starvation = 0; 1716 data[0] = MBS_COMMAND_COMPLETE; 1717 if (sp->type != SRB_LOGIN_CMD) 1718 goto logio_done; 1719 1720 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1721 if (iop[0] & BIT_4) { 1722 fcport->port_type = FCT_TARGET; 1723 if (iop[0] & BIT_8) 1724 fcport->flags |= FCF_FCP2_DEVICE; 1725 } else if (iop[0] & BIT_5) 1726 fcport->port_type = FCT_INITIATOR; 1727 1728 if (iop[0] & BIT_7) 1729 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 1730 1731 if (logio->io_parameter[7] || logio->io_parameter[8]) 1732 fcport->supported_classes |= FC_COS_CLASS2; 1733 if (logio->io_parameter[9] || logio->io_parameter[10]) 1734 fcport->supported_classes |= FC_COS_CLASS3; 1735 1736 goto logio_done; 1737 } 1738 1739 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1740 iop[1] = le32_to_cpu(logio->io_parameter[1]); 1741 lio->u.logio.iop[0] = iop[0]; 1742 lio->u.logio.iop[1] = iop[1]; 1743 switch (iop[0]) { 1744 case LSC_SCODE_PORTID_USED: 1745 data[0] = MBS_PORT_ID_USED; 1746 data[1] = LSW(iop[1]); 1747 break; 1748 case LSC_SCODE_NPORT_USED: 1749 data[0] = MBS_LOOP_ID_USED; 1750 break; 1751 case LSC_SCODE_CMD_FAILED: 1752 if (iop[1] == 0x0606) { 1753 /* 1754 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, 1755 * Target side acked. 1756 */ 1757 data[0] = MBS_COMMAND_COMPLETE; 1758 goto logio_done; 1759 } 1760 data[0] = MBS_COMMAND_ERROR; 1761 break; 1762 case LSC_SCODE_NOXCB: 1763 vha->hw->exch_starvation++; 1764 if (vha->hw->exch_starvation > 5) { 1765 ql_log(ql_log_warn, vha, 0xd046, 1766 "Exchange starvation. Resetting RISC\n"); 1767 1768 vha->hw->exch_starvation = 0; 1769 1770 if (IS_P3P_TYPE(vha->hw)) 1771 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1772 else 1773 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1774 qla2xxx_wake_dpc(vha); 1775 } 1776 /* fall through */ 1777 default: 1778 data[0] = MBS_COMMAND_ERROR; 1779 break; 1780 } 1781 1782 ql_dbg(ql_dbg_async, fcport->vha, 0x5037, 1783 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x " 1784 "iop0=%x iop1=%x.\n", type, fcport->port_name, 1785 sp->handle, fcport->d_id.b.domain, 1786 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1787 le16_to_cpu(logio->comp_status), 1788 le32_to_cpu(logio->io_parameter[0]), 1789 le32_to_cpu(logio->io_parameter[1])); 1790 1791 logio_done: 1792 sp->done(sp, 0); 1793 } 1794 1795 static void 1796 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 1797 { 1798 const char func[] = "TMF-IOCB"; 1799 const char *type; 1800 fc_port_t *fcport; 1801 srb_t *sp; 1802 struct srb_iocb *iocb; 1803 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1804 1805 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1806 if (!sp) 1807 return; 1808 1809 iocb = &sp->u.iocb_cmd; 1810 type = sp->name; 1811 fcport = sp->fcport; 1812 iocb->u.tmf.data = QLA_SUCCESS; 1813 1814 if (sts->entry_status) { 1815 ql_log(ql_log_warn, fcport->vha, 0x5038, 1816 "Async-%s error - hdl=%x entry-status(%x).\n", 1817 type, sp->handle, sts->entry_status); 1818 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1819 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 1820 ql_log(ql_log_warn, fcport->vha, 0x5039, 1821 "Async-%s error - hdl=%x completion status(%x).\n", 1822 type, sp->handle, sts->comp_status); 1823 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1824 } else if ((le16_to_cpu(sts->scsi_status) & 1825 SS_RESPONSE_INFO_LEN_VALID)) { 1826 if (le32_to_cpu(sts->rsp_data_len) < 4) { 1827 ql_log(ql_log_warn, fcport->vha, 0x503b, 1828 "Async-%s error - hdl=%x not enough response(%d).\n", 1829 type, sp->handle, sts->rsp_data_len); 1830 } else if (sts->data[3]) { 1831 ql_log(ql_log_warn, fcport->vha, 0x503c, 1832 "Async-%s error - hdl=%x response(%x).\n", 1833 type, sp->handle, sts->data[3]); 1834 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1835 } 1836 } 1837 1838 if (iocb->u.tmf.data != QLA_SUCCESS) 1839 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, 1840 (uint8_t *)sts, sizeof(*sts)); 1841 1842 sp->done(sp, 0); 1843 } 1844 1845 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1846 void *tsk, srb_t *sp) 1847 { 1848 fc_port_t *fcport; 1849 struct srb_iocb *iocb; 1850 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1851 uint16_t state_flags; 1852 struct nvmefc_fcp_req *fd; 1853 uint16_t ret = 0; 1854 1855 iocb = &sp->u.iocb_cmd; 1856 fcport = sp->fcport; 1857 iocb->u.nvme.comp_status = le16_to_cpu(sts->comp_status); 1858 state_flags = le16_to_cpu(sts->state_flags); 1859 fd = iocb->u.nvme.desc; 1860 1861 if (unlikely(iocb->u.nvme.aen_op)) 1862 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); 1863 1864 /* 1865 * State flags: Bit 6 and 0. 1866 * If 0 is set, we don't care about 6. 1867 * both cases resp was dma'd to host buffer 1868 * if both are 0, that is good path case. 1869 * if six is set and 0 is clear, we need to 1870 * copy resp data from status iocb to resp buffer. 1871 */ 1872 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { 1873 iocb->u.nvme.rsp_pyld_len = 0; 1874 } else if ((state_flags & SF_FCP_RSP_DMA)) { 1875 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1876 } else if (state_flags & SF_NVME_ERSP) { 1877 uint32_t *inbuf, *outbuf; 1878 uint16_t iter; 1879 1880 inbuf = (uint32_t *)&sts->nvme_ersp_data; 1881 outbuf = (uint32_t *)fd->rspaddr; 1882 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1883 iter = iocb->u.nvme.rsp_pyld_len >> 2; 1884 for (; iter; iter--) 1885 *outbuf++ = swab32(*inbuf++); 1886 } else { /* unhandled case */ 1887 ql_log(ql_log_warn, fcport->vha, 0x503a, 1888 "NVME-%s error. Unhandled state_flags of %x\n", 1889 sp->name, state_flags); 1890 } 1891 1892 fd->transferred_length = fd->payload_length - 1893 le32_to_cpu(sts->residual_len); 1894 1895 switch (le16_to_cpu(sts->comp_status)) { 1896 case CS_COMPLETE: 1897 ret = QLA_SUCCESS; 1898 break; 1899 case CS_ABORTED: 1900 case CS_RESET: 1901 case CS_PORT_UNAVAILABLE: 1902 case CS_PORT_LOGGED_OUT: 1903 case CS_PORT_BUSY: 1904 ql_log(ql_log_warn, fcport->vha, 0x5060, 1905 "NVME-%s ERR Handling - hdl=%x completion status(%x) resid=%x ox_id=%x\n", 1906 sp->name, sp->handle, sts->comp_status, 1907 le32_to_cpu(sts->residual_len), sts->ox_id); 1908 fd->transferred_length = 0; 1909 iocb->u.nvme.rsp_pyld_len = 0; 1910 ret = QLA_ABORTED; 1911 break; 1912 default: 1913 ql_log(ql_log_warn, fcport->vha, 0x5060, 1914 "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n", 1915 sp->name, sp->handle, sts->comp_status, 1916 le32_to_cpu(sts->residual_len), sts->ox_id); 1917 ret = QLA_FUNCTION_FAILED; 1918 break; 1919 } 1920 sp->done(sp, ret); 1921 } 1922 1923 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, 1924 struct vp_ctrl_entry_24xx *vce) 1925 { 1926 const char func[] = "CTRLVP-IOCB"; 1927 srb_t *sp; 1928 int rval = QLA_SUCCESS; 1929 1930 sp = qla2x00_get_sp_from_handle(vha, func, req, vce); 1931 if (!sp) 1932 return; 1933 1934 if (vce->entry_status != 0) { 1935 ql_dbg(ql_dbg_vport, vha, 0x10c4, 1936 "%s: Failed to complete IOCB -- error status (%x)\n", 1937 sp->name, vce->entry_status); 1938 rval = QLA_FUNCTION_FAILED; 1939 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { 1940 ql_dbg(ql_dbg_vport, vha, 0x10c5, 1941 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", 1942 sp->name, le16_to_cpu(vce->comp_status), 1943 le16_to_cpu(vce->vp_idx_failed)); 1944 rval = QLA_FUNCTION_FAILED; 1945 } else { 1946 ql_dbg(ql_dbg_vport, vha, 0x10c6, 1947 "Done %s.\n", __func__); 1948 } 1949 1950 sp->rc = rval; 1951 sp->done(sp, rval); 1952 } 1953 1954 /** 1955 * qla2x00_process_response_queue() - Process response queue entries. 1956 * @rsp: response queue 1957 */ 1958 void 1959 qla2x00_process_response_queue(struct rsp_que *rsp) 1960 { 1961 struct scsi_qla_host *vha; 1962 struct qla_hw_data *ha = rsp->hw; 1963 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1964 sts_entry_t *pkt; 1965 uint16_t handle_cnt; 1966 uint16_t cnt; 1967 1968 vha = pci_get_drvdata(ha->pdev); 1969 1970 if (!vha->flags.online) 1971 return; 1972 1973 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 1974 pkt = (sts_entry_t *)rsp->ring_ptr; 1975 1976 rsp->ring_index++; 1977 if (rsp->ring_index == rsp->length) { 1978 rsp->ring_index = 0; 1979 rsp->ring_ptr = rsp->ring; 1980 } else { 1981 rsp->ring_ptr++; 1982 } 1983 1984 if (pkt->entry_status != 0) { 1985 qla2x00_error_entry(vha, rsp, pkt); 1986 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 1987 wmb(); 1988 continue; 1989 } 1990 1991 switch (pkt->entry_type) { 1992 case STATUS_TYPE: 1993 qla2x00_status_entry(vha, rsp, pkt); 1994 break; 1995 case STATUS_TYPE_21: 1996 handle_cnt = ((sts21_entry_t *)pkt)->handle_count; 1997 for (cnt = 0; cnt < handle_cnt; cnt++) { 1998 qla2x00_process_completed_request(vha, rsp->req, 1999 ((sts21_entry_t *)pkt)->handle[cnt]); 2000 } 2001 break; 2002 case STATUS_TYPE_22: 2003 handle_cnt = ((sts22_entry_t *)pkt)->handle_count; 2004 for (cnt = 0; cnt < handle_cnt; cnt++) { 2005 qla2x00_process_completed_request(vha, rsp->req, 2006 ((sts22_entry_t *)pkt)->handle[cnt]); 2007 } 2008 break; 2009 case STATUS_CONT_TYPE: 2010 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2011 break; 2012 case MBX_IOCB_TYPE: 2013 qla2x00_mbx_iocb_entry(vha, rsp->req, 2014 (struct mbx_entry *)pkt); 2015 break; 2016 case CT_IOCB_TYPE: 2017 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2018 break; 2019 default: 2020 /* Type Not Supported. */ 2021 ql_log(ql_log_warn, vha, 0x504a, 2022 "Received unknown response pkt type %x " 2023 "entry status=%x.\n", 2024 pkt->entry_type, pkt->entry_status); 2025 break; 2026 } 2027 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2028 wmb(); 2029 } 2030 2031 /* Adjust ring index */ 2032 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 2033 } 2034 2035 static inline void 2036 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2037 uint32_t sense_len, struct rsp_que *rsp, int res) 2038 { 2039 struct scsi_qla_host *vha = sp->vha; 2040 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2041 uint32_t track_sense_len; 2042 2043 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2044 sense_len = SCSI_SENSE_BUFFERSIZE; 2045 2046 SET_CMD_SENSE_LEN(sp, sense_len); 2047 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2048 track_sense_len = sense_len; 2049 2050 if (sense_len > par_sense_len) 2051 sense_len = par_sense_len; 2052 2053 memcpy(cp->sense_buffer, sense_data, sense_len); 2054 2055 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2056 track_sense_len -= sense_len; 2057 SET_CMD_SENSE_LEN(sp, track_sense_len); 2058 2059 if (track_sense_len != 0) { 2060 rsp->status_srb = sp; 2061 cp->result = res; 2062 } 2063 2064 if (sense_len) { 2065 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 2066 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 2067 sp->vha->host_no, cp->device->id, cp->device->lun, 2068 cp); 2069 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 2070 cp->sense_buffer, sense_len); 2071 } 2072 } 2073 2074 struct scsi_dif_tuple { 2075 __be16 guard; /* Checksum */ 2076 __be16 app_tag; /* APPL identifier */ 2077 __be32 ref_tag; /* Target LBA or indirect LBA */ 2078 }; 2079 2080 /* 2081 * Checks the guard or meta-data for the type of error 2082 * detected by the HBA. In case of errors, we set the 2083 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 2084 * to indicate to the kernel that the HBA detected error. 2085 */ 2086 static inline int 2087 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 2088 { 2089 struct scsi_qla_host *vha = sp->vha; 2090 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 2091 uint8_t *ap = &sts24->data[12]; 2092 uint8_t *ep = &sts24->data[20]; 2093 uint32_t e_ref_tag, a_ref_tag; 2094 uint16_t e_app_tag, a_app_tag; 2095 uint16_t e_guard, a_guard; 2096 2097 /* 2098 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 2099 * would make guard field appear at offset 2 2100 */ 2101 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); 2102 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); 2103 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); 2104 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); 2105 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); 2106 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); 2107 2108 ql_dbg(ql_dbg_io, vha, 0x3023, 2109 "iocb(s) %p Returned STATUS.\n", sts24); 2110 2111 ql_dbg(ql_dbg_io, vha, 0x3024, 2112 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 2113 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 2114 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 2115 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 2116 a_app_tag, e_app_tag, a_guard, e_guard); 2117 2118 /* 2119 * Ignore sector if: 2120 * For type 3: ref & app tag is all 'f's 2121 * For type 0,1,2: app tag is all 'f's 2122 */ 2123 if ((a_app_tag == T10_PI_APP_ESCAPE) && 2124 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 2125 (a_ref_tag == T10_PI_REF_ESCAPE))) { 2126 uint32_t blocks_done, resid; 2127 sector_t lba_s = scsi_get_lba(cmd); 2128 2129 /* 2TB boundary case covered automatically with this */ 2130 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 2131 2132 resid = scsi_bufflen(cmd) - (blocks_done * 2133 cmd->device->sector_size); 2134 2135 scsi_set_resid(cmd, resid); 2136 cmd->result = DID_OK << 16; 2137 2138 /* Update protection tag */ 2139 if (scsi_prot_sg_count(cmd)) { 2140 uint32_t i, j = 0, k = 0, num_ent; 2141 struct scatterlist *sg; 2142 struct t10_pi_tuple *spt; 2143 2144 /* Patch the corresponding protection tags */ 2145 scsi_for_each_prot_sg(cmd, sg, 2146 scsi_prot_sg_count(cmd), i) { 2147 num_ent = sg_dma_len(sg) / 8; 2148 if (k + num_ent < blocks_done) { 2149 k += num_ent; 2150 continue; 2151 } 2152 j = blocks_done - k - 1; 2153 k = blocks_done; 2154 break; 2155 } 2156 2157 if (k != blocks_done) { 2158 ql_log(ql_log_warn, vha, 0x302f, 2159 "unexpected tag values tag:lba=%x:%llx)\n", 2160 e_ref_tag, (unsigned long long)lba_s); 2161 return 1; 2162 } 2163 2164 spt = page_address(sg_page(sg)) + sg->offset; 2165 spt += j; 2166 2167 spt->app_tag = T10_PI_APP_ESCAPE; 2168 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 2169 spt->ref_tag = T10_PI_REF_ESCAPE; 2170 } 2171 2172 return 0; 2173 } 2174 2175 /* check guard */ 2176 if (e_guard != a_guard) { 2177 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2178 0x10, 0x1); 2179 set_driver_byte(cmd, DRIVER_SENSE); 2180 set_host_byte(cmd, DID_ABORT); 2181 cmd->result |= SAM_STAT_CHECK_CONDITION; 2182 return 1; 2183 } 2184 2185 /* check ref tag */ 2186 if (e_ref_tag != a_ref_tag) { 2187 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2188 0x10, 0x3); 2189 set_driver_byte(cmd, DRIVER_SENSE); 2190 set_host_byte(cmd, DID_ABORT); 2191 cmd->result |= SAM_STAT_CHECK_CONDITION; 2192 return 1; 2193 } 2194 2195 /* check appl tag */ 2196 if (e_app_tag != a_app_tag) { 2197 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2198 0x10, 0x2); 2199 set_driver_byte(cmd, DRIVER_SENSE); 2200 set_host_byte(cmd, DID_ABORT); 2201 cmd->result |= SAM_STAT_CHECK_CONDITION; 2202 return 1; 2203 } 2204 2205 return 1; 2206 } 2207 2208 static void 2209 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 2210 struct req_que *req, uint32_t index) 2211 { 2212 struct qla_hw_data *ha = vha->hw; 2213 srb_t *sp; 2214 uint16_t comp_status; 2215 uint16_t scsi_status; 2216 uint16_t thread_id; 2217 uint32_t rval = EXT_STATUS_OK; 2218 struct bsg_job *bsg_job = NULL; 2219 struct fc_bsg_request *bsg_request; 2220 struct fc_bsg_reply *bsg_reply; 2221 sts_entry_t *sts; 2222 struct sts_entry_24xx *sts24; 2223 sts = (sts_entry_t *) pkt; 2224 sts24 = (struct sts_entry_24xx *) pkt; 2225 2226 /* Validate handle. */ 2227 if (index >= req->num_outstanding_cmds) { 2228 ql_log(ql_log_warn, vha, 0x70af, 2229 "Invalid SCSI completion handle 0x%x.\n", index); 2230 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2231 return; 2232 } 2233 2234 sp = req->outstanding_cmds[index]; 2235 if (!sp) { 2236 ql_log(ql_log_warn, vha, 0x70b0, 2237 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 2238 req->id, index); 2239 2240 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2241 return; 2242 } 2243 2244 /* Free outstanding command slot. */ 2245 req->outstanding_cmds[index] = NULL; 2246 bsg_job = sp->u.bsg_job; 2247 bsg_request = bsg_job->request; 2248 bsg_reply = bsg_job->reply; 2249 2250 if (IS_FWI2_CAPABLE(ha)) { 2251 comp_status = le16_to_cpu(sts24->comp_status); 2252 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2253 } else { 2254 comp_status = le16_to_cpu(sts->comp_status); 2255 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2256 } 2257 2258 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 2259 switch (comp_status) { 2260 case CS_COMPLETE: 2261 if (scsi_status == 0) { 2262 bsg_reply->reply_payload_rcv_len = 2263 bsg_job->reply_payload.payload_len; 2264 vha->qla_stats.input_bytes += 2265 bsg_reply->reply_payload_rcv_len; 2266 vha->qla_stats.input_requests++; 2267 rval = EXT_STATUS_OK; 2268 } 2269 goto done; 2270 2271 case CS_DATA_OVERRUN: 2272 ql_dbg(ql_dbg_user, vha, 0x70b1, 2273 "Command completed with data overrun thread_id=%d\n", 2274 thread_id); 2275 rval = EXT_STATUS_DATA_OVERRUN; 2276 break; 2277 2278 case CS_DATA_UNDERRUN: 2279 ql_dbg(ql_dbg_user, vha, 0x70b2, 2280 "Command completed with data underrun thread_id=%d\n", 2281 thread_id); 2282 rval = EXT_STATUS_DATA_UNDERRUN; 2283 break; 2284 case CS_BIDIR_RD_OVERRUN: 2285 ql_dbg(ql_dbg_user, vha, 0x70b3, 2286 "Command completed with read data overrun thread_id=%d\n", 2287 thread_id); 2288 rval = EXT_STATUS_DATA_OVERRUN; 2289 break; 2290 2291 case CS_BIDIR_RD_WR_OVERRUN: 2292 ql_dbg(ql_dbg_user, vha, 0x70b4, 2293 "Command completed with read and write data overrun " 2294 "thread_id=%d\n", thread_id); 2295 rval = EXT_STATUS_DATA_OVERRUN; 2296 break; 2297 2298 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 2299 ql_dbg(ql_dbg_user, vha, 0x70b5, 2300 "Command completed with read data over and write data " 2301 "underrun thread_id=%d\n", thread_id); 2302 rval = EXT_STATUS_DATA_OVERRUN; 2303 break; 2304 2305 case CS_BIDIR_RD_UNDERRUN: 2306 ql_dbg(ql_dbg_user, vha, 0x70b6, 2307 "Command completed with read data underrun " 2308 "thread_id=%d\n", thread_id); 2309 rval = EXT_STATUS_DATA_UNDERRUN; 2310 break; 2311 2312 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 2313 ql_dbg(ql_dbg_user, vha, 0x70b7, 2314 "Command completed with read data under and write data " 2315 "overrun thread_id=%d\n", thread_id); 2316 rval = EXT_STATUS_DATA_UNDERRUN; 2317 break; 2318 2319 case CS_BIDIR_RD_WR_UNDERRUN: 2320 ql_dbg(ql_dbg_user, vha, 0x70b8, 2321 "Command completed with read and write data underrun " 2322 "thread_id=%d\n", thread_id); 2323 rval = EXT_STATUS_DATA_UNDERRUN; 2324 break; 2325 2326 case CS_BIDIR_DMA: 2327 ql_dbg(ql_dbg_user, vha, 0x70b9, 2328 "Command completed with data DMA error thread_id=%d\n", 2329 thread_id); 2330 rval = EXT_STATUS_DMA_ERR; 2331 break; 2332 2333 case CS_TIMEOUT: 2334 ql_dbg(ql_dbg_user, vha, 0x70ba, 2335 "Command completed with timeout thread_id=%d\n", 2336 thread_id); 2337 rval = EXT_STATUS_TIMEOUT; 2338 break; 2339 default: 2340 ql_dbg(ql_dbg_user, vha, 0x70bb, 2341 "Command completed with completion status=0x%x " 2342 "thread_id=%d\n", comp_status, thread_id); 2343 rval = EXT_STATUS_ERR; 2344 break; 2345 } 2346 bsg_reply->reply_payload_rcv_len = 0; 2347 2348 done: 2349 /* Return the vendor specific reply to API */ 2350 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 2351 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2352 /* Always return DID_OK, bsg will send the vendor specific response 2353 * in this case only */ 2354 sp->done(sp, DID_OK << 16); 2355 2356 } 2357 2358 /** 2359 * qla2x00_status_entry() - Process a Status IOCB entry. 2360 * @vha: SCSI driver HA context 2361 * @rsp: response queue 2362 * @pkt: Entry pointer 2363 */ 2364 static void 2365 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2366 { 2367 srb_t *sp; 2368 fc_port_t *fcport; 2369 struct scsi_cmnd *cp; 2370 sts_entry_t *sts; 2371 struct sts_entry_24xx *sts24; 2372 uint16_t comp_status; 2373 uint16_t scsi_status; 2374 uint16_t ox_id; 2375 uint8_t lscsi_status; 2376 int32_t resid; 2377 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2378 fw_resid_len; 2379 uint8_t *rsp_info, *sense_data; 2380 struct qla_hw_data *ha = vha->hw; 2381 uint32_t handle; 2382 uint16_t que; 2383 struct req_que *req; 2384 int logit = 1; 2385 int res = 0; 2386 uint16_t state_flags = 0; 2387 uint16_t retry_delay = 0; 2388 2389 sts = (sts_entry_t *) pkt; 2390 sts24 = (struct sts_entry_24xx *) pkt; 2391 if (IS_FWI2_CAPABLE(ha)) { 2392 comp_status = le16_to_cpu(sts24->comp_status); 2393 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2394 state_flags = le16_to_cpu(sts24->state_flags); 2395 } else { 2396 comp_status = le16_to_cpu(sts->comp_status); 2397 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2398 } 2399 handle = (uint32_t) LSW(sts->handle); 2400 que = MSW(sts->handle); 2401 req = ha->req_q_map[que]; 2402 2403 /* Check for invalid queue pointer */ 2404 if (req == NULL || 2405 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 2406 ql_dbg(ql_dbg_io, vha, 0x3059, 2407 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 2408 "que=%u.\n", sts->handle, req, que); 2409 return; 2410 } 2411 2412 /* Validate handle. */ 2413 if (handle < req->num_outstanding_cmds) { 2414 sp = req->outstanding_cmds[handle]; 2415 if (!sp) { 2416 ql_dbg(ql_dbg_io, vha, 0x3075, 2417 "%s(%ld): Already returned command for status handle (0x%x).\n", 2418 __func__, vha->host_no, sts->handle); 2419 return; 2420 } 2421 } else { 2422 ql_dbg(ql_dbg_io, vha, 0x3017, 2423 "Invalid status handle, out of range (0x%x).\n", 2424 sts->handle); 2425 2426 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 2427 if (IS_P3P_TYPE(ha)) 2428 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2429 else 2430 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2431 qla2xxx_wake_dpc(vha); 2432 } 2433 return; 2434 } 2435 2436 if (sp->cmd_type != TYPE_SRB) { 2437 req->outstanding_cmds[handle] = NULL; 2438 ql_dbg(ql_dbg_io, vha, 0x3015, 2439 "Unknown sp->cmd_type %x %p).\n", 2440 sp->cmd_type, sp); 2441 return; 2442 } 2443 2444 /* NVME completion. */ 2445 if (sp->type == SRB_NVME_CMD) { 2446 req->outstanding_cmds[handle] = NULL; 2447 qla24xx_nvme_iocb_entry(vha, req, pkt, sp); 2448 return; 2449 } 2450 2451 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 2452 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 2453 return; 2454 } 2455 2456 /* Task Management completion. */ 2457 if (sp->type == SRB_TM_CMD) { 2458 qla24xx_tm_iocb_entry(vha, req, pkt); 2459 return; 2460 } 2461 2462 /* Fast path completion. */ 2463 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2464 qla2x00_process_completed_request(vha, req, handle); 2465 2466 return; 2467 } 2468 2469 req->outstanding_cmds[handle] = NULL; 2470 cp = GET_CMD_SP(sp); 2471 if (cp == NULL) { 2472 ql_dbg(ql_dbg_io, vha, 0x3018, 2473 "Command already returned (0x%x/%p).\n", 2474 sts->handle, sp); 2475 2476 return; 2477 } 2478 2479 lscsi_status = scsi_status & STATUS_MASK; 2480 2481 fcport = sp->fcport; 2482 2483 ox_id = 0; 2484 sense_len = par_sense_len = rsp_info_len = resid_len = 2485 fw_resid_len = 0; 2486 if (IS_FWI2_CAPABLE(ha)) { 2487 if (scsi_status & SS_SENSE_LEN_VALID) 2488 sense_len = le32_to_cpu(sts24->sense_len); 2489 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2490 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 2491 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 2492 resid_len = le32_to_cpu(sts24->rsp_residual_count); 2493 if (comp_status == CS_DATA_UNDERRUN) 2494 fw_resid_len = le32_to_cpu(sts24->residual_len); 2495 rsp_info = sts24->data; 2496 sense_data = sts24->data; 2497 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 2498 ox_id = le16_to_cpu(sts24->ox_id); 2499 par_sense_len = sizeof(sts24->data); 2500 /* Valid values of the retry delay timer are 0x1-0xffef */ 2501 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) { 2502 retry_delay = sts24->retry_delay & 0x3fff; 2503 ql_dbg(ql_dbg_io, sp->vha, 0x3033, 2504 "%s: scope=%#x retry_delay=%#x\n", __func__, 2505 sts24->retry_delay >> 14, retry_delay); 2506 } 2507 } else { 2508 if (scsi_status & SS_SENSE_LEN_VALID) 2509 sense_len = le16_to_cpu(sts->req_sense_length); 2510 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2511 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 2512 resid_len = le32_to_cpu(sts->residual_length); 2513 rsp_info = sts->rsp_info; 2514 sense_data = sts->req_sense_data; 2515 par_sense_len = sizeof(sts->req_sense_data); 2516 } 2517 2518 /* Check for any FCP transport errors. */ 2519 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 2520 /* Sense data lies beyond any FCP RESPONSE data. */ 2521 if (IS_FWI2_CAPABLE(ha)) { 2522 sense_data += rsp_info_len; 2523 par_sense_len -= rsp_info_len; 2524 } 2525 if (rsp_info_len > 3 && rsp_info[3]) { 2526 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 2527 "FCP I/O protocol failure (0x%x/0x%x).\n", 2528 rsp_info_len, rsp_info[3]); 2529 2530 res = DID_BUS_BUSY << 16; 2531 goto out; 2532 } 2533 } 2534 2535 /* Check for overrun. */ 2536 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2537 scsi_status & SS_RESIDUAL_OVER) 2538 comp_status = CS_DATA_OVERRUN; 2539 2540 /* 2541 * Check retry_delay_timer value if we receive a busy or 2542 * queue full. 2543 */ 2544 if (lscsi_status == SAM_STAT_TASK_SET_FULL || 2545 lscsi_status == SAM_STAT_BUSY) 2546 qla2x00_set_retry_delay_timestamp(fcport, retry_delay); 2547 2548 /* 2549 * Based on Host and scsi status generate status code for Linux 2550 */ 2551 switch (comp_status) { 2552 case CS_COMPLETE: 2553 case CS_QUEUE_FULL: 2554 if (scsi_status == 0) { 2555 res = DID_OK << 16; 2556 break; 2557 } 2558 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2559 resid = resid_len; 2560 scsi_set_resid(cp, resid); 2561 2562 if (!lscsi_status && 2563 ((unsigned)(scsi_bufflen(cp) - resid) < 2564 cp->underflow)) { 2565 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2566 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2567 resid, scsi_bufflen(cp)); 2568 2569 res = DID_ERROR << 16; 2570 break; 2571 } 2572 } 2573 res = DID_OK << 16 | lscsi_status; 2574 2575 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2576 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2577 "QUEUE FULL detected.\n"); 2578 break; 2579 } 2580 logit = 0; 2581 if (lscsi_status != SS_CHECK_CONDITION) 2582 break; 2583 2584 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2585 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2586 break; 2587 2588 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2589 rsp, res); 2590 break; 2591 2592 case CS_DATA_UNDERRUN: 2593 /* Use F/W calculated residual length. */ 2594 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2595 scsi_set_resid(cp, resid); 2596 if (scsi_status & SS_RESIDUAL_UNDER) { 2597 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2598 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2599 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2600 resid, scsi_bufflen(cp)); 2601 2602 res = DID_ERROR << 16 | lscsi_status; 2603 goto check_scsi_status; 2604 } 2605 2606 if (!lscsi_status && 2607 ((unsigned)(scsi_bufflen(cp) - resid) < 2608 cp->underflow)) { 2609 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2610 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2611 resid, scsi_bufflen(cp)); 2612 2613 res = DID_ERROR << 16; 2614 break; 2615 } 2616 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2617 lscsi_status != SAM_STAT_BUSY) { 2618 /* 2619 * scsi status of task set and busy are considered to be 2620 * task not completed. 2621 */ 2622 2623 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2624 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2625 resid, scsi_bufflen(cp)); 2626 2627 res = DID_ERROR << 16 | lscsi_status; 2628 goto check_scsi_status; 2629 } else { 2630 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2631 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2632 scsi_status, lscsi_status); 2633 } 2634 2635 res = DID_OK << 16 | lscsi_status; 2636 logit = 0; 2637 2638 check_scsi_status: 2639 /* 2640 * Check to see if SCSI Status is non zero. If so report SCSI 2641 * Status. 2642 */ 2643 if (lscsi_status != 0) { 2644 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2645 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2646 "QUEUE FULL detected.\n"); 2647 logit = 1; 2648 break; 2649 } 2650 if (lscsi_status != SS_CHECK_CONDITION) 2651 break; 2652 2653 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2654 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2655 break; 2656 2657 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2658 sense_len, rsp, res); 2659 } 2660 break; 2661 2662 case CS_PORT_LOGGED_OUT: 2663 case CS_PORT_CONFIG_CHG: 2664 case CS_PORT_BUSY: 2665 case CS_INCOMPLETE: 2666 case CS_PORT_UNAVAILABLE: 2667 case CS_TIMEOUT: 2668 case CS_RESET: 2669 2670 /* 2671 * We are going to have the fc class block the rport 2672 * while we try to recover so instruct the mid layer 2673 * to requeue until the class decides how to handle this. 2674 */ 2675 res = DID_TRANSPORT_DISRUPTED << 16; 2676 2677 if (comp_status == CS_TIMEOUT) { 2678 if (IS_FWI2_CAPABLE(ha)) 2679 break; 2680 else if ((le16_to_cpu(sts->status_flags) & 2681 SF_LOGOUT_SENT) == 0) 2682 break; 2683 } 2684 2685 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2686 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2687 "Port to be marked lost on fcport=%02x%02x%02x, current " 2688 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 2689 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2690 port_state_str[atomic_read(&fcport->state)], 2691 comp_status); 2692 2693 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 2694 qlt_schedule_sess_for_deletion(fcport); 2695 } 2696 2697 break; 2698 2699 case CS_ABORTED: 2700 res = DID_RESET << 16; 2701 break; 2702 2703 case CS_DIF_ERROR: 2704 logit = qla2x00_handle_dif_error(sp, sts24); 2705 res = cp->result; 2706 break; 2707 2708 case CS_TRANSPORT: 2709 res = DID_ERROR << 16; 2710 2711 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2712 break; 2713 2714 if (state_flags & BIT_4) 2715 scmd_printk(KERN_WARNING, cp, 2716 "Unsupported device '%s' found.\n", 2717 cp->device->vendor); 2718 break; 2719 2720 default: 2721 res = DID_ERROR << 16; 2722 break; 2723 } 2724 2725 out: 2726 if (logit) 2727 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 2728 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 2729 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " 2730 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 2731 comp_status, scsi_status, res, vha->host_no, 2732 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 2733 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 2734 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2735 resid_len, fw_resid_len, sp, cp); 2736 2737 if (rsp->status_srb == NULL) 2738 sp->done(sp, res); 2739 } 2740 2741 /** 2742 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 2743 * @rsp: response queue 2744 * @pkt: Entry pointer 2745 * 2746 * Extended sense data. 2747 */ 2748 static void 2749 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2750 { 2751 uint8_t sense_sz = 0; 2752 struct qla_hw_data *ha = rsp->hw; 2753 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2754 srb_t *sp = rsp->status_srb; 2755 struct scsi_cmnd *cp; 2756 uint32_t sense_len; 2757 uint8_t *sense_ptr; 2758 2759 if (!sp || !GET_CMD_SENSE_LEN(sp)) 2760 return; 2761 2762 sense_len = GET_CMD_SENSE_LEN(sp); 2763 sense_ptr = GET_CMD_SENSE_PTR(sp); 2764 2765 cp = GET_CMD_SP(sp); 2766 if (cp == NULL) { 2767 ql_log(ql_log_warn, vha, 0x3025, 2768 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2769 2770 rsp->status_srb = NULL; 2771 return; 2772 } 2773 2774 if (sense_len > sizeof(pkt->data)) 2775 sense_sz = sizeof(pkt->data); 2776 else 2777 sense_sz = sense_len; 2778 2779 /* Move sense data. */ 2780 if (IS_FWI2_CAPABLE(ha)) 2781 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 2782 memcpy(sense_ptr, pkt->data, sense_sz); 2783 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 2784 sense_ptr, sense_sz); 2785 2786 sense_len -= sense_sz; 2787 sense_ptr += sense_sz; 2788 2789 SET_CMD_SENSE_PTR(sp, sense_ptr); 2790 SET_CMD_SENSE_LEN(sp, sense_len); 2791 2792 /* Place command on done queue. */ 2793 if (sense_len == 0) { 2794 rsp->status_srb = NULL; 2795 sp->done(sp, cp->result); 2796 } 2797 } 2798 2799 /** 2800 * qla2x00_error_entry() - Process an error entry. 2801 * @vha: SCSI driver HA context 2802 * @rsp: response queue 2803 * @pkt: Entry pointer 2804 * return : 1=allow further error analysis. 0=no additional error analysis. 2805 */ 2806 static int 2807 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 2808 { 2809 srb_t *sp; 2810 struct qla_hw_data *ha = vha->hw; 2811 const char func[] = "ERROR-IOCB"; 2812 uint16_t que = MSW(pkt->handle); 2813 struct req_que *req = NULL; 2814 int res = DID_ERROR << 16; 2815 2816 ql_dbg(ql_dbg_async, vha, 0x502a, 2817 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", 2818 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); 2819 2820 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 2821 goto fatal; 2822 2823 req = ha->req_q_map[que]; 2824 2825 if (pkt->entry_status & RF_BUSY) 2826 res = DID_BUS_BUSY << 16; 2827 2828 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) 2829 return 0; 2830 2831 switch (pkt->entry_type) { 2832 case NOTIFY_ACK_TYPE: 2833 case STATUS_TYPE: 2834 case STATUS_CONT_TYPE: 2835 case LOGINOUT_PORT_IOCB_TYPE: 2836 case CT_IOCB_TYPE: 2837 case ELS_IOCB_TYPE: 2838 case ABORT_IOCB_TYPE: 2839 case MBX_IOCB_TYPE: 2840 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2841 if (sp) { 2842 sp->done(sp, res); 2843 return 0; 2844 } 2845 break; 2846 2847 case ABTS_RESP_24XX: 2848 case CTIO_TYPE7: 2849 case CTIO_CRC2: 2850 default: 2851 return 1; 2852 } 2853 fatal: 2854 ql_log(ql_log_warn, vha, 0x5030, 2855 "Error entry - invalid handle/queue (%04x).\n", que); 2856 return 0; 2857 } 2858 2859 /** 2860 * qla24xx_mbx_completion() - Process mailbox command completions. 2861 * @vha: SCSI driver HA context 2862 * @mb0: Mailbox0 register 2863 */ 2864 static void 2865 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2866 { 2867 uint16_t cnt; 2868 uint32_t mboxes; 2869 uint16_t __iomem *wptr; 2870 struct qla_hw_data *ha = vha->hw; 2871 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2872 2873 /* Read all mbox registers? */ 2874 WARN_ON_ONCE(ha->mbx_count > 32); 2875 mboxes = (1ULL << ha->mbx_count) - 1; 2876 if (!ha->mcp) 2877 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 2878 else 2879 mboxes = ha->mcp->in_mb; 2880 2881 /* Load return mailbox registers. */ 2882 ha->flags.mbox_int = 1; 2883 ha->mailbox_out[0] = mb0; 2884 mboxes >>= 1; 2885 wptr = (uint16_t __iomem *)®->mailbox1; 2886 2887 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2888 if (mboxes & BIT_0) 2889 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2890 2891 mboxes >>= 1; 2892 wptr++; 2893 } 2894 } 2895 2896 static void 2897 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2898 struct abort_entry_24xx *pkt) 2899 { 2900 const char func[] = "ABT_IOCB"; 2901 srb_t *sp; 2902 struct srb_iocb *abt; 2903 2904 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2905 if (!sp) 2906 return; 2907 2908 abt = &sp->u.iocb_cmd; 2909 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle); 2910 sp->done(sp, 0); 2911 } 2912 2913 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, 2914 struct pt_ls4_request *pkt, struct req_que *req) 2915 { 2916 srb_t *sp; 2917 const char func[] = "LS4_IOCB"; 2918 uint16_t comp_status; 2919 2920 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2921 if (!sp) 2922 return; 2923 2924 comp_status = le16_to_cpu(pkt->status); 2925 sp->done(sp, comp_status); 2926 } 2927 2928 /** 2929 * qla24xx_process_response_queue() - Process response queue entries. 2930 * @vha: SCSI driver HA context 2931 * @rsp: response queue 2932 */ 2933 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 2934 struct rsp_que *rsp) 2935 { 2936 struct sts_entry_24xx *pkt; 2937 struct qla_hw_data *ha = vha->hw; 2938 2939 if (!ha->flags.fw_started) 2940 return; 2941 2942 if (rsp->qpair->cpuid != smp_processor_id()) 2943 qla_cpu_update(rsp->qpair, smp_processor_id()); 2944 2945 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2946 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 2947 2948 rsp->ring_index++; 2949 if (rsp->ring_index == rsp->length) { 2950 rsp->ring_index = 0; 2951 rsp->ring_ptr = rsp->ring; 2952 } else { 2953 rsp->ring_ptr++; 2954 } 2955 2956 if (pkt->entry_status != 0) { 2957 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) 2958 goto process_err; 2959 2960 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2961 wmb(); 2962 continue; 2963 } 2964 process_err: 2965 2966 switch (pkt->entry_type) { 2967 case STATUS_TYPE: 2968 qla2x00_status_entry(vha, rsp, pkt); 2969 break; 2970 case STATUS_CONT_TYPE: 2971 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2972 break; 2973 case VP_RPT_ID_IOCB_TYPE: 2974 qla24xx_report_id_acquisition(vha, 2975 (struct vp_rpt_id_entry_24xx *)pkt); 2976 break; 2977 case LOGINOUT_PORT_IOCB_TYPE: 2978 qla24xx_logio_entry(vha, rsp->req, 2979 (struct logio_entry_24xx *)pkt); 2980 break; 2981 case CT_IOCB_TYPE: 2982 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2983 break; 2984 case ELS_IOCB_TYPE: 2985 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 2986 break; 2987 case ABTS_RECV_24XX: 2988 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 2989 /* ensure that the ATIO queue is empty */ 2990 qlt_handle_abts_recv(vha, rsp, 2991 (response_t *)pkt); 2992 break; 2993 } else { 2994 qlt_24xx_process_atio_queue(vha, 1); 2995 } 2996 /* fall through */ 2997 case ABTS_RESP_24XX: 2998 case CTIO_TYPE7: 2999 case CTIO_CRC2: 3000 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); 3001 break; 3002 case PT_LS4_REQUEST: 3003 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, 3004 rsp->req); 3005 break; 3006 case NOTIFY_ACK_TYPE: 3007 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 3008 qlt_response_pkt_all_vps(vha, rsp, 3009 (response_t *)pkt); 3010 else 3011 qla24xxx_nack_iocb_entry(vha, rsp->req, 3012 (struct nack_to_isp *)pkt); 3013 break; 3014 case MARKER_TYPE: 3015 /* Do nothing in this case, this check is to prevent it 3016 * from falling into default case 3017 */ 3018 break; 3019 case ABORT_IOCB_TYPE: 3020 qla24xx_abort_iocb_entry(vha, rsp->req, 3021 (struct abort_entry_24xx *)pkt); 3022 break; 3023 case MBX_IOCB_TYPE: 3024 qla24xx_mbx_iocb_entry(vha, rsp->req, 3025 (struct mbx_24xx_entry *)pkt); 3026 break; 3027 case VP_CTRL_IOCB_TYPE: 3028 qla_ctrlvp_completed(vha, rsp->req, 3029 (struct vp_ctrl_entry_24xx *)pkt); 3030 break; 3031 default: 3032 /* Type Not Supported. */ 3033 ql_dbg(ql_dbg_async, vha, 0x5042, 3034 "Received unknown response pkt type %x " 3035 "entry status=%x.\n", 3036 pkt->entry_type, pkt->entry_status); 3037 break; 3038 } 3039 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3040 wmb(); 3041 } 3042 3043 /* Adjust ring index */ 3044 if (IS_P3P_TYPE(ha)) { 3045 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 3046 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 3047 } else { 3048 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 3049 } 3050 } 3051 3052 static void 3053 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 3054 { 3055 int rval; 3056 uint32_t cnt; 3057 struct qla_hw_data *ha = vha->hw; 3058 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3059 3060 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 3061 !IS_QLA27XX(ha)) 3062 return; 3063 3064 rval = QLA_SUCCESS; 3065 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 3066 RD_REG_DWORD(®->iobase_addr); 3067 WRT_REG_DWORD(®->iobase_window, 0x0001); 3068 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3069 rval == QLA_SUCCESS; cnt--) { 3070 if (cnt) { 3071 WRT_REG_DWORD(®->iobase_window, 0x0001); 3072 udelay(10); 3073 } else 3074 rval = QLA_FUNCTION_TIMEOUT; 3075 } 3076 if (rval == QLA_SUCCESS) 3077 goto next_test; 3078 3079 rval = QLA_SUCCESS; 3080 WRT_REG_DWORD(®->iobase_window, 0x0003); 3081 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3082 rval == QLA_SUCCESS; cnt--) { 3083 if (cnt) { 3084 WRT_REG_DWORD(®->iobase_window, 0x0003); 3085 udelay(10); 3086 } else 3087 rval = QLA_FUNCTION_TIMEOUT; 3088 } 3089 if (rval != QLA_SUCCESS) 3090 goto done; 3091 3092 next_test: 3093 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 3094 ql_log(ql_log_info, vha, 0x504c, 3095 "Additional code -- 0x55AA.\n"); 3096 3097 done: 3098 WRT_REG_DWORD(®->iobase_window, 0x0000); 3099 RD_REG_DWORD(®->iobase_window); 3100 } 3101 3102 /** 3103 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 3104 * @irq: 3105 * @dev_id: SCSI driver HA context 3106 * 3107 * Called by system whenever the host adapter generates an interrupt. 3108 * 3109 * Returns handled flag. 3110 */ 3111 irqreturn_t 3112 qla24xx_intr_handler(int irq, void *dev_id) 3113 { 3114 scsi_qla_host_t *vha; 3115 struct qla_hw_data *ha; 3116 struct device_reg_24xx __iomem *reg; 3117 int status; 3118 unsigned long iter; 3119 uint32_t stat; 3120 uint32_t hccr; 3121 uint16_t mb[8]; 3122 struct rsp_que *rsp; 3123 unsigned long flags; 3124 3125 rsp = (struct rsp_que *) dev_id; 3126 if (!rsp) { 3127 ql_log(ql_log_info, NULL, 0x5059, 3128 "%s: NULL response queue pointer.\n", __func__); 3129 return IRQ_NONE; 3130 } 3131 3132 ha = rsp->hw; 3133 reg = &ha->iobase->isp24; 3134 status = 0; 3135 3136 if (unlikely(pci_channel_offline(ha->pdev))) 3137 return IRQ_HANDLED; 3138 3139 spin_lock_irqsave(&ha->hardware_lock, flags); 3140 vha = pci_get_drvdata(ha->pdev); 3141 for (iter = 50; iter--; ) { 3142 stat = RD_REG_DWORD(®->host_status); 3143 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3144 break; 3145 if (stat & HSRX_RISC_PAUSED) { 3146 if (unlikely(pci_channel_offline(ha->pdev))) 3147 break; 3148 3149 hccr = RD_REG_DWORD(®->hccr); 3150 3151 ql_log(ql_log_warn, vha, 0x504b, 3152 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3153 hccr); 3154 3155 qla2xxx_check_risc_status(vha); 3156 3157 ha->isp_ops->fw_dump(vha, 1); 3158 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3159 break; 3160 } else if ((stat & HSRX_RISC_INT) == 0) 3161 break; 3162 3163 switch (stat & 0xff) { 3164 case INTR_ROM_MB_SUCCESS: 3165 case INTR_ROM_MB_FAILED: 3166 case INTR_MB_SUCCESS: 3167 case INTR_MB_FAILED: 3168 qla24xx_mbx_completion(vha, MSW(stat)); 3169 status |= MBX_INTERRUPT; 3170 3171 break; 3172 case INTR_ASYNC_EVENT: 3173 mb[0] = MSW(stat); 3174 mb[1] = RD_REG_WORD(®->mailbox1); 3175 mb[2] = RD_REG_WORD(®->mailbox2); 3176 mb[3] = RD_REG_WORD(®->mailbox3); 3177 qla2x00_async_event(vha, rsp, mb); 3178 break; 3179 case INTR_RSP_QUE_UPDATE: 3180 case INTR_RSP_QUE_UPDATE_83XX: 3181 qla24xx_process_response_queue(vha, rsp); 3182 break; 3183 case INTR_ATIO_QUE_UPDATE_27XX: 3184 case INTR_ATIO_QUE_UPDATE:{ 3185 unsigned long flags2; 3186 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 3187 qlt_24xx_process_atio_queue(vha, 1); 3188 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 3189 break; 3190 } 3191 case INTR_ATIO_RSP_QUE_UPDATE: { 3192 unsigned long flags2; 3193 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 3194 qlt_24xx_process_atio_queue(vha, 1); 3195 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 3196 3197 qla24xx_process_response_queue(vha, rsp); 3198 break; 3199 } 3200 default: 3201 ql_dbg(ql_dbg_async, vha, 0x504f, 3202 "Unrecognized interrupt type (%d).\n", stat * 0xff); 3203 break; 3204 } 3205 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3206 RD_REG_DWORD_RELAXED(®->hccr); 3207 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 3208 ndelay(3500); 3209 } 3210 qla2x00_handle_mbx_completion(ha, status); 3211 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3212 3213 return IRQ_HANDLED; 3214 } 3215 3216 static irqreturn_t 3217 qla24xx_msix_rsp_q(int irq, void *dev_id) 3218 { 3219 struct qla_hw_data *ha; 3220 struct rsp_que *rsp; 3221 struct device_reg_24xx __iomem *reg; 3222 struct scsi_qla_host *vha; 3223 unsigned long flags; 3224 3225 rsp = (struct rsp_que *) dev_id; 3226 if (!rsp) { 3227 ql_log(ql_log_info, NULL, 0x505a, 3228 "%s: NULL response queue pointer.\n", __func__); 3229 return IRQ_NONE; 3230 } 3231 ha = rsp->hw; 3232 reg = &ha->iobase->isp24; 3233 3234 spin_lock_irqsave(&ha->hardware_lock, flags); 3235 3236 vha = pci_get_drvdata(ha->pdev); 3237 qla24xx_process_response_queue(vha, rsp); 3238 if (!ha->flags.disable_msix_handshake) { 3239 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3240 RD_REG_DWORD_RELAXED(®->hccr); 3241 } 3242 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3243 3244 return IRQ_HANDLED; 3245 } 3246 3247 static irqreturn_t 3248 qla24xx_msix_default(int irq, void *dev_id) 3249 { 3250 scsi_qla_host_t *vha; 3251 struct qla_hw_data *ha; 3252 struct rsp_que *rsp; 3253 struct device_reg_24xx __iomem *reg; 3254 int status; 3255 uint32_t stat; 3256 uint32_t hccr; 3257 uint16_t mb[8]; 3258 unsigned long flags; 3259 3260 rsp = (struct rsp_que *) dev_id; 3261 if (!rsp) { 3262 ql_log(ql_log_info, NULL, 0x505c, 3263 "%s: NULL response queue pointer.\n", __func__); 3264 return IRQ_NONE; 3265 } 3266 ha = rsp->hw; 3267 reg = &ha->iobase->isp24; 3268 status = 0; 3269 3270 spin_lock_irqsave(&ha->hardware_lock, flags); 3271 vha = pci_get_drvdata(ha->pdev); 3272 do { 3273 stat = RD_REG_DWORD(®->host_status); 3274 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3275 break; 3276 if (stat & HSRX_RISC_PAUSED) { 3277 if (unlikely(pci_channel_offline(ha->pdev))) 3278 break; 3279 3280 hccr = RD_REG_DWORD(®->hccr); 3281 3282 ql_log(ql_log_info, vha, 0x5050, 3283 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3284 hccr); 3285 3286 qla2xxx_check_risc_status(vha); 3287 3288 ha->isp_ops->fw_dump(vha, 1); 3289 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3290 break; 3291 } else if ((stat & HSRX_RISC_INT) == 0) 3292 break; 3293 3294 switch (stat & 0xff) { 3295 case INTR_ROM_MB_SUCCESS: 3296 case INTR_ROM_MB_FAILED: 3297 case INTR_MB_SUCCESS: 3298 case INTR_MB_FAILED: 3299 qla24xx_mbx_completion(vha, MSW(stat)); 3300 status |= MBX_INTERRUPT; 3301 3302 break; 3303 case INTR_ASYNC_EVENT: 3304 mb[0] = MSW(stat); 3305 mb[1] = RD_REG_WORD(®->mailbox1); 3306 mb[2] = RD_REG_WORD(®->mailbox2); 3307 mb[3] = RD_REG_WORD(®->mailbox3); 3308 qla2x00_async_event(vha, rsp, mb); 3309 break; 3310 case INTR_RSP_QUE_UPDATE: 3311 case INTR_RSP_QUE_UPDATE_83XX: 3312 qla24xx_process_response_queue(vha, rsp); 3313 break; 3314 case INTR_ATIO_QUE_UPDATE_27XX: 3315 case INTR_ATIO_QUE_UPDATE:{ 3316 unsigned long flags2; 3317 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 3318 qlt_24xx_process_atio_queue(vha, 1); 3319 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 3320 break; 3321 } 3322 case INTR_ATIO_RSP_QUE_UPDATE: { 3323 unsigned long flags2; 3324 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 3325 qlt_24xx_process_atio_queue(vha, 1); 3326 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 3327 3328 qla24xx_process_response_queue(vha, rsp); 3329 break; 3330 } 3331 default: 3332 ql_dbg(ql_dbg_async, vha, 0x5051, 3333 "Unrecognized interrupt type (%d).\n", stat & 0xff); 3334 break; 3335 } 3336 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3337 } while (0); 3338 qla2x00_handle_mbx_completion(ha, status); 3339 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3340 3341 return IRQ_HANDLED; 3342 } 3343 3344 irqreturn_t 3345 qla2xxx_msix_rsp_q(int irq, void *dev_id) 3346 { 3347 struct qla_hw_data *ha; 3348 struct qla_qpair *qpair; 3349 struct device_reg_24xx __iomem *reg; 3350 unsigned long flags; 3351 3352 qpair = dev_id; 3353 if (!qpair) { 3354 ql_log(ql_log_info, NULL, 0x505b, 3355 "%s: NULL response queue pointer.\n", __func__); 3356 return IRQ_NONE; 3357 } 3358 ha = qpair->hw; 3359 3360 /* Clear the interrupt, if enabled, for this response queue */ 3361 if (unlikely(!ha->flags.disable_msix_handshake)) { 3362 reg = &ha->iobase->isp24; 3363 spin_lock_irqsave(&ha->hardware_lock, flags); 3364 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3365 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3366 } 3367 3368 queue_work(ha->wq, &qpair->q_work); 3369 3370 return IRQ_HANDLED; 3371 } 3372 3373 /* Interrupt handling helpers. */ 3374 3375 struct qla_init_msix_entry { 3376 const char *name; 3377 irq_handler_t handler; 3378 }; 3379 3380 static const struct qla_init_msix_entry msix_entries[] = { 3381 { "default", qla24xx_msix_default }, 3382 { "rsp_q", qla24xx_msix_rsp_q }, 3383 { "atio_q", qla83xx_msix_atio_q }, 3384 { "qpair_multiq", qla2xxx_msix_rsp_q }, 3385 }; 3386 3387 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 3388 { "qla2xxx (default)", qla82xx_msix_default }, 3389 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 3390 }; 3391 3392 static int 3393 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 3394 { 3395 int i, ret; 3396 struct qla_msix_entry *qentry; 3397 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3398 int min_vecs = QLA_BASE_VECTORS; 3399 struct irq_affinity desc = { 3400 .pre_vectors = QLA_BASE_VECTORS, 3401 }; 3402 3403 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3404 IS_ATIO_MSIX_CAPABLE(ha)) { 3405 desc.pre_vectors++; 3406 min_vecs++; 3407 } 3408 3409 if (USER_CTRL_IRQ(ha)) { 3410 /* user wants to control IRQ setting for target mode */ 3411 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, 3412 ha->msix_count, PCI_IRQ_MSIX); 3413 } else 3414 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 3415 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 3416 &desc); 3417 3418 if (ret < 0) { 3419 ql_log(ql_log_fatal, vha, 0x00c7, 3420 "MSI-X: Failed to enable support, " 3421 "giving up -- %d/%d.\n", 3422 ha->msix_count, ret); 3423 goto msix_out; 3424 } else if (ret < ha->msix_count) { 3425 ql_log(ql_log_warn, vha, 0x00c6, 3426 "MSI-X: Failed to enable support " 3427 "with %d vectors, using %d vectors.\n", 3428 ha->msix_count, ret); 3429 ha->msix_count = ret; 3430 /* Recalculate queue values */ 3431 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { 3432 ha->max_req_queues = ha->msix_count - 1; 3433 3434 /* ATIOQ needs 1 vector. That's 1 less QPair */ 3435 if (QLA_TGT_MODE_ENABLED()) 3436 ha->max_req_queues--; 3437 3438 ha->max_rsp_queues = ha->max_req_queues; 3439 3440 ha->max_qpairs = ha->max_req_queues - 1; 3441 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 3442 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 3443 } 3444 } 3445 ha->msix_entries = kcalloc(ha->msix_count, 3446 sizeof(struct qla_msix_entry), 3447 GFP_KERNEL); 3448 if (!ha->msix_entries) { 3449 ql_log(ql_log_fatal, vha, 0x00c8, 3450 "Failed to allocate memory for ha->msix_entries.\n"); 3451 ret = -ENOMEM; 3452 goto msix_out; 3453 } 3454 ha->flags.msix_enabled = 1; 3455 3456 for (i = 0; i < ha->msix_count; i++) { 3457 qentry = &ha->msix_entries[i]; 3458 qentry->vector = pci_irq_vector(ha->pdev, i); 3459 qentry->entry = i; 3460 qentry->have_irq = 0; 3461 qentry->in_use = 0; 3462 qentry->handle = NULL; 3463 } 3464 3465 /* Enable MSI-X vectors for the base queue */ 3466 for (i = 0; i < QLA_BASE_VECTORS; i++) { 3467 qentry = &ha->msix_entries[i]; 3468 qentry->handle = rsp; 3469 rsp->msix = qentry; 3470 scnprintf(qentry->name, sizeof(qentry->name), 3471 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); 3472 if (IS_P3P_TYPE(ha)) 3473 ret = request_irq(qentry->vector, 3474 qla82xx_msix_entries[i].handler, 3475 0, qla82xx_msix_entries[i].name, rsp); 3476 else 3477 ret = request_irq(qentry->vector, 3478 msix_entries[i].handler, 3479 0, qentry->name, rsp); 3480 if (ret) 3481 goto msix_register_fail; 3482 qentry->have_irq = 1; 3483 qentry->in_use = 1; 3484 } 3485 3486 /* 3487 * If target mode is enable, also request the vector for the ATIO 3488 * queue. 3489 */ 3490 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3491 IS_ATIO_MSIX_CAPABLE(ha)) { 3492 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 3493 rsp->msix = qentry; 3494 qentry->handle = rsp; 3495 scnprintf(qentry->name, sizeof(qentry->name), 3496 "qla2xxx%lu_%s", vha->host_no, 3497 msix_entries[QLA_ATIO_VECTOR].name); 3498 qentry->in_use = 1; 3499 ret = request_irq(qentry->vector, 3500 msix_entries[QLA_ATIO_VECTOR].handler, 3501 0, qentry->name, rsp); 3502 qentry->have_irq = 1; 3503 } 3504 3505 msix_register_fail: 3506 if (ret) { 3507 ql_log(ql_log_fatal, vha, 0x00cb, 3508 "MSI-X: unable to register handler -- %x/%d.\n", 3509 qentry->vector, ret); 3510 qla2x00_free_irqs(vha); 3511 ha->mqenable = 0; 3512 goto msix_out; 3513 } 3514 3515 /* Enable MSI-X vector for response queue update for queue 0 */ 3516 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 3517 if (ha->msixbase && ha->mqiobase && 3518 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3519 ql2xmqsupport)) 3520 ha->mqenable = 1; 3521 } else 3522 if (ha->mqiobase && 3523 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3524 ql2xmqsupport)) 3525 ha->mqenable = 1; 3526 ql_dbg(ql_dbg_multiq, vha, 0xc005, 3527 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3528 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3529 ql_dbg(ql_dbg_init, vha, 0x0055, 3530 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3531 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3532 3533 msix_out: 3534 return ret; 3535 } 3536 3537 int 3538 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 3539 { 3540 int ret = QLA_FUNCTION_FAILED; 3541 device_reg_t *reg = ha->iobase; 3542 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3543 3544 /* If possible, enable MSI-X. */ 3545 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && 3546 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && 3547 !IS_QLAFX00(ha) && !IS_QLA27XX(ha))) 3548 goto skip_msi; 3549 3550 if (ql2xenablemsix == 2) 3551 goto skip_msix; 3552 3553 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 3554 (ha->pdev->subsystem_device == 0x7040 || 3555 ha->pdev->subsystem_device == 0x7041 || 3556 ha->pdev->subsystem_device == 0x1705)) { 3557 ql_log(ql_log_warn, vha, 0x0034, 3558 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 3559 ha->pdev->subsystem_vendor, 3560 ha->pdev->subsystem_device); 3561 goto skip_msi; 3562 } 3563 3564 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 3565 ql_log(ql_log_warn, vha, 0x0035, 3566 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 3567 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 3568 goto skip_msix; 3569 } 3570 3571 ret = qla24xx_enable_msix(ha, rsp); 3572 if (!ret) { 3573 ql_dbg(ql_dbg_init, vha, 0x0036, 3574 "MSI-X: Enabled (0x%X, 0x%X).\n", 3575 ha->chip_revision, ha->fw_attributes); 3576 goto clear_risc_ints; 3577 } 3578 3579 skip_msix: 3580 3581 ql_log(ql_log_info, vha, 0x0037, 3582 "Falling back-to MSI mode -%d.\n", ret); 3583 3584 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3585 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 3586 !IS_QLA27XX(ha)) 3587 goto skip_msi; 3588 3589 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 3590 if (!ret) { 3591 ql_dbg(ql_dbg_init, vha, 0x0038, 3592 "MSI: Enabled.\n"); 3593 ha->flags.msi_enabled = 1; 3594 } else 3595 ql_log(ql_log_warn, vha, 0x0039, 3596 "Falling back-to INTa mode -- %d.\n", ret); 3597 skip_msi: 3598 3599 /* Skip INTx on ISP82xx. */ 3600 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 3601 return QLA_FUNCTION_FAILED; 3602 3603 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 3604 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 3605 QLA2XXX_DRIVER_NAME, rsp); 3606 if (ret) { 3607 ql_log(ql_log_warn, vha, 0x003a, 3608 "Failed to reserve interrupt %d already in use.\n", 3609 ha->pdev->irq); 3610 goto fail; 3611 } else if (!ha->flags.msi_enabled) { 3612 ql_dbg(ql_dbg_init, vha, 0x0125, 3613 "INTa mode: Enabled.\n"); 3614 ha->flags.mr_intr_valid = 1; 3615 } 3616 3617 clear_risc_ints: 3618 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 3619 goto fail; 3620 3621 spin_lock_irq(&ha->hardware_lock); 3622 WRT_REG_WORD(®->isp.semaphore, 0); 3623 spin_unlock_irq(&ha->hardware_lock); 3624 3625 fail: 3626 return ret; 3627 } 3628 3629 void 3630 qla2x00_free_irqs(scsi_qla_host_t *vha) 3631 { 3632 struct qla_hw_data *ha = vha->hw; 3633 struct rsp_que *rsp; 3634 struct qla_msix_entry *qentry; 3635 int i; 3636 3637 /* 3638 * We need to check that ha->rsp_q_map is valid in case we are called 3639 * from a probe failure context. 3640 */ 3641 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 3642 goto free_irqs; 3643 rsp = ha->rsp_q_map[0]; 3644 3645 if (ha->flags.msix_enabled) { 3646 for (i = 0; i < ha->msix_count; i++) { 3647 qentry = &ha->msix_entries[i]; 3648 if (qentry->have_irq) { 3649 irq_set_affinity_notifier(qentry->vector, NULL); 3650 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 3651 } 3652 } 3653 kfree(ha->msix_entries); 3654 ha->msix_entries = NULL; 3655 ha->flags.msix_enabled = 0; 3656 ql_dbg(ql_dbg_init, vha, 0x0042, 3657 "Disabled MSI-X.\n"); 3658 } else { 3659 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 3660 } 3661 3662 free_irqs: 3663 pci_free_irq_vectors(ha->pdev); 3664 } 3665 3666 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 3667 struct qla_msix_entry *msix, int vector_type) 3668 { 3669 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 3670 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3671 int ret; 3672 3673 scnprintf(msix->name, sizeof(msix->name), 3674 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 3675 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 3676 if (ret) { 3677 ql_log(ql_log_fatal, vha, 0x00e6, 3678 "MSI-X: Unable to register handler -- %x/%d.\n", 3679 msix->vector, ret); 3680 return ret; 3681 } 3682 msix->have_irq = 1; 3683 msix->handle = qpair; 3684 return ret; 3685 } 3686