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: interrupt number 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: interrupt number 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 = QLA_SUCCESS; 1854 uint16_t comp_status = le16_to_cpu(sts->comp_status); 1855 1856 iocb = &sp->u.iocb_cmd; 1857 fcport = sp->fcport; 1858 iocb->u.nvme.comp_status = comp_status; 1859 state_flags = le16_to_cpu(sts->state_flags); 1860 fd = iocb->u.nvme.desc; 1861 1862 if (unlikely(iocb->u.nvme.aen_op)) 1863 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); 1864 1865 /* 1866 * State flags: Bit 6 and 0. 1867 * If 0 is set, we don't care about 6. 1868 * both cases resp was dma'd to host buffer 1869 * if both are 0, that is good path case. 1870 * if six is set and 0 is clear, we need to 1871 * copy resp data from status iocb to resp buffer. 1872 */ 1873 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { 1874 iocb->u.nvme.rsp_pyld_len = 0; 1875 } else if ((state_flags & SF_FCP_RSP_DMA)) { 1876 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1877 } else if (state_flags & SF_NVME_ERSP) { 1878 uint32_t *inbuf, *outbuf; 1879 uint16_t iter; 1880 1881 inbuf = (uint32_t *)&sts->nvme_ersp_data; 1882 outbuf = (uint32_t *)fd->rspaddr; 1883 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1884 iter = iocb->u.nvme.rsp_pyld_len >> 2; 1885 for (; iter; iter--) 1886 *outbuf++ = swab32(*inbuf++); 1887 } else { /* unhandled case */ 1888 ql_log(ql_log_warn, fcport->vha, 0x503a, 1889 "NVME-%s error. Unhandled state_flags of %x\n", 1890 sp->name, state_flags); 1891 } 1892 1893 fd->transferred_length = fd->payload_length - 1894 le32_to_cpu(sts->residual_len); 1895 1896 if (unlikely(comp_status != CS_COMPLETE)) 1897 ql_log(ql_log_warn, fcport->vha, 0x5060, 1898 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n", 1899 sp->name, sp->handle, comp_status, 1900 fd->transferred_length, le32_to_cpu(sts->residual_len), 1901 sts->ox_id); 1902 1903 /* 1904 * If transport error then Failure (HBA rejects request) 1905 * otherwise transport will handle. 1906 */ 1907 switch (comp_status) { 1908 case CS_COMPLETE: 1909 break; 1910 1911 case CS_RESET: 1912 case CS_PORT_UNAVAILABLE: 1913 case CS_PORT_LOGGED_OUT: 1914 fcport->nvme_flag |= NVME_FLAG_RESETTING; 1915 /* fall through */ 1916 case CS_ABORTED: 1917 case CS_PORT_BUSY: 1918 fd->transferred_length = 0; 1919 iocb->u.nvme.rsp_pyld_len = 0; 1920 ret = QLA_ABORTED; 1921 break; 1922 case CS_DATA_UNDERRUN: 1923 break; 1924 default: 1925 ret = QLA_FUNCTION_FAILED; 1926 break; 1927 } 1928 sp->done(sp, ret); 1929 } 1930 1931 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, 1932 struct vp_ctrl_entry_24xx *vce) 1933 { 1934 const char func[] = "CTRLVP-IOCB"; 1935 srb_t *sp; 1936 int rval = QLA_SUCCESS; 1937 1938 sp = qla2x00_get_sp_from_handle(vha, func, req, vce); 1939 if (!sp) 1940 return; 1941 1942 if (vce->entry_status != 0) { 1943 ql_dbg(ql_dbg_vport, vha, 0x10c4, 1944 "%s: Failed to complete IOCB -- error status (%x)\n", 1945 sp->name, vce->entry_status); 1946 rval = QLA_FUNCTION_FAILED; 1947 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { 1948 ql_dbg(ql_dbg_vport, vha, 0x10c5, 1949 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", 1950 sp->name, le16_to_cpu(vce->comp_status), 1951 le16_to_cpu(vce->vp_idx_failed)); 1952 rval = QLA_FUNCTION_FAILED; 1953 } else { 1954 ql_dbg(ql_dbg_vport, vha, 0x10c6, 1955 "Done %s.\n", __func__); 1956 } 1957 1958 sp->rc = rval; 1959 sp->done(sp, rval); 1960 } 1961 1962 /** 1963 * qla2x00_process_response_queue() - Process response queue entries. 1964 * @rsp: response queue 1965 */ 1966 void 1967 qla2x00_process_response_queue(struct rsp_que *rsp) 1968 { 1969 struct scsi_qla_host *vha; 1970 struct qla_hw_data *ha = rsp->hw; 1971 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1972 sts_entry_t *pkt; 1973 uint16_t handle_cnt; 1974 uint16_t cnt; 1975 1976 vha = pci_get_drvdata(ha->pdev); 1977 1978 if (!vha->flags.online) 1979 return; 1980 1981 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 1982 pkt = (sts_entry_t *)rsp->ring_ptr; 1983 1984 rsp->ring_index++; 1985 if (rsp->ring_index == rsp->length) { 1986 rsp->ring_index = 0; 1987 rsp->ring_ptr = rsp->ring; 1988 } else { 1989 rsp->ring_ptr++; 1990 } 1991 1992 if (pkt->entry_status != 0) { 1993 qla2x00_error_entry(vha, rsp, pkt); 1994 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 1995 wmb(); 1996 continue; 1997 } 1998 1999 switch (pkt->entry_type) { 2000 case STATUS_TYPE: 2001 qla2x00_status_entry(vha, rsp, pkt); 2002 break; 2003 case STATUS_TYPE_21: 2004 handle_cnt = ((sts21_entry_t *)pkt)->handle_count; 2005 for (cnt = 0; cnt < handle_cnt; cnt++) { 2006 qla2x00_process_completed_request(vha, rsp->req, 2007 ((sts21_entry_t *)pkt)->handle[cnt]); 2008 } 2009 break; 2010 case STATUS_TYPE_22: 2011 handle_cnt = ((sts22_entry_t *)pkt)->handle_count; 2012 for (cnt = 0; cnt < handle_cnt; cnt++) { 2013 qla2x00_process_completed_request(vha, rsp->req, 2014 ((sts22_entry_t *)pkt)->handle[cnt]); 2015 } 2016 break; 2017 case STATUS_CONT_TYPE: 2018 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2019 break; 2020 case MBX_IOCB_TYPE: 2021 qla2x00_mbx_iocb_entry(vha, rsp->req, 2022 (struct mbx_entry *)pkt); 2023 break; 2024 case CT_IOCB_TYPE: 2025 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2026 break; 2027 default: 2028 /* Type Not Supported. */ 2029 ql_log(ql_log_warn, vha, 0x504a, 2030 "Received unknown response pkt type %x " 2031 "entry status=%x.\n", 2032 pkt->entry_type, pkt->entry_status); 2033 break; 2034 } 2035 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2036 wmb(); 2037 } 2038 2039 /* Adjust ring index */ 2040 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 2041 } 2042 2043 static inline void 2044 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2045 uint32_t sense_len, struct rsp_que *rsp, int res) 2046 { 2047 struct scsi_qla_host *vha = sp->vha; 2048 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2049 uint32_t track_sense_len; 2050 2051 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2052 sense_len = SCSI_SENSE_BUFFERSIZE; 2053 2054 SET_CMD_SENSE_LEN(sp, sense_len); 2055 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2056 track_sense_len = sense_len; 2057 2058 if (sense_len > par_sense_len) 2059 sense_len = par_sense_len; 2060 2061 memcpy(cp->sense_buffer, sense_data, sense_len); 2062 2063 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2064 track_sense_len -= sense_len; 2065 SET_CMD_SENSE_LEN(sp, track_sense_len); 2066 2067 if (track_sense_len != 0) { 2068 rsp->status_srb = sp; 2069 cp->result = res; 2070 } 2071 2072 if (sense_len) { 2073 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 2074 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 2075 sp->vha->host_no, cp->device->id, cp->device->lun, 2076 cp); 2077 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 2078 cp->sense_buffer, sense_len); 2079 } 2080 } 2081 2082 struct scsi_dif_tuple { 2083 __be16 guard; /* Checksum */ 2084 __be16 app_tag; /* APPL identifier */ 2085 __be32 ref_tag; /* Target LBA or indirect LBA */ 2086 }; 2087 2088 /* 2089 * Checks the guard or meta-data for the type of error 2090 * detected by the HBA. In case of errors, we set the 2091 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 2092 * to indicate to the kernel that the HBA detected error. 2093 */ 2094 static inline int 2095 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 2096 { 2097 struct scsi_qla_host *vha = sp->vha; 2098 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 2099 uint8_t *ap = &sts24->data[12]; 2100 uint8_t *ep = &sts24->data[20]; 2101 uint32_t e_ref_tag, a_ref_tag; 2102 uint16_t e_app_tag, a_app_tag; 2103 uint16_t e_guard, a_guard; 2104 2105 /* 2106 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 2107 * would make guard field appear at offset 2 2108 */ 2109 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); 2110 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); 2111 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); 2112 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); 2113 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); 2114 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); 2115 2116 ql_dbg(ql_dbg_io, vha, 0x3023, 2117 "iocb(s) %p Returned STATUS.\n", sts24); 2118 2119 ql_dbg(ql_dbg_io, vha, 0x3024, 2120 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 2121 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 2122 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 2123 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 2124 a_app_tag, e_app_tag, a_guard, e_guard); 2125 2126 /* 2127 * Ignore sector if: 2128 * For type 3: ref & app tag is all 'f's 2129 * For type 0,1,2: app tag is all 'f's 2130 */ 2131 if ((a_app_tag == T10_PI_APP_ESCAPE) && 2132 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 2133 (a_ref_tag == T10_PI_REF_ESCAPE))) { 2134 uint32_t blocks_done, resid; 2135 sector_t lba_s = scsi_get_lba(cmd); 2136 2137 /* 2TB boundary case covered automatically with this */ 2138 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 2139 2140 resid = scsi_bufflen(cmd) - (blocks_done * 2141 cmd->device->sector_size); 2142 2143 scsi_set_resid(cmd, resid); 2144 cmd->result = DID_OK << 16; 2145 2146 /* Update protection tag */ 2147 if (scsi_prot_sg_count(cmd)) { 2148 uint32_t i, j = 0, k = 0, num_ent; 2149 struct scatterlist *sg; 2150 struct t10_pi_tuple *spt; 2151 2152 /* Patch the corresponding protection tags */ 2153 scsi_for_each_prot_sg(cmd, sg, 2154 scsi_prot_sg_count(cmd), i) { 2155 num_ent = sg_dma_len(sg) / 8; 2156 if (k + num_ent < blocks_done) { 2157 k += num_ent; 2158 continue; 2159 } 2160 j = blocks_done - k - 1; 2161 k = blocks_done; 2162 break; 2163 } 2164 2165 if (k != blocks_done) { 2166 ql_log(ql_log_warn, vha, 0x302f, 2167 "unexpected tag values tag:lba=%x:%llx)\n", 2168 e_ref_tag, (unsigned long long)lba_s); 2169 return 1; 2170 } 2171 2172 spt = page_address(sg_page(sg)) + sg->offset; 2173 spt += j; 2174 2175 spt->app_tag = T10_PI_APP_ESCAPE; 2176 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 2177 spt->ref_tag = T10_PI_REF_ESCAPE; 2178 } 2179 2180 return 0; 2181 } 2182 2183 /* check guard */ 2184 if (e_guard != a_guard) { 2185 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2186 0x10, 0x1); 2187 set_driver_byte(cmd, DRIVER_SENSE); 2188 set_host_byte(cmd, DID_ABORT); 2189 cmd->result |= SAM_STAT_CHECK_CONDITION; 2190 return 1; 2191 } 2192 2193 /* check ref tag */ 2194 if (e_ref_tag != a_ref_tag) { 2195 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2196 0x10, 0x3); 2197 set_driver_byte(cmd, DRIVER_SENSE); 2198 set_host_byte(cmd, DID_ABORT); 2199 cmd->result |= SAM_STAT_CHECK_CONDITION; 2200 return 1; 2201 } 2202 2203 /* check appl tag */ 2204 if (e_app_tag != a_app_tag) { 2205 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2206 0x10, 0x2); 2207 set_driver_byte(cmd, DRIVER_SENSE); 2208 set_host_byte(cmd, DID_ABORT); 2209 cmd->result |= SAM_STAT_CHECK_CONDITION; 2210 return 1; 2211 } 2212 2213 return 1; 2214 } 2215 2216 static void 2217 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 2218 struct req_que *req, uint32_t index) 2219 { 2220 struct qla_hw_data *ha = vha->hw; 2221 srb_t *sp; 2222 uint16_t comp_status; 2223 uint16_t scsi_status; 2224 uint16_t thread_id; 2225 uint32_t rval = EXT_STATUS_OK; 2226 struct bsg_job *bsg_job = NULL; 2227 struct fc_bsg_request *bsg_request; 2228 struct fc_bsg_reply *bsg_reply; 2229 sts_entry_t *sts; 2230 struct sts_entry_24xx *sts24; 2231 sts = (sts_entry_t *) pkt; 2232 sts24 = (struct sts_entry_24xx *) pkt; 2233 2234 /* Validate handle. */ 2235 if (index >= req->num_outstanding_cmds) { 2236 ql_log(ql_log_warn, vha, 0x70af, 2237 "Invalid SCSI completion handle 0x%x.\n", index); 2238 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2239 return; 2240 } 2241 2242 sp = req->outstanding_cmds[index]; 2243 if (!sp) { 2244 ql_log(ql_log_warn, vha, 0x70b0, 2245 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 2246 req->id, index); 2247 2248 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2249 return; 2250 } 2251 2252 /* Free outstanding command slot. */ 2253 req->outstanding_cmds[index] = NULL; 2254 bsg_job = sp->u.bsg_job; 2255 bsg_request = bsg_job->request; 2256 bsg_reply = bsg_job->reply; 2257 2258 if (IS_FWI2_CAPABLE(ha)) { 2259 comp_status = le16_to_cpu(sts24->comp_status); 2260 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2261 } else { 2262 comp_status = le16_to_cpu(sts->comp_status); 2263 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2264 } 2265 2266 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 2267 switch (comp_status) { 2268 case CS_COMPLETE: 2269 if (scsi_status == 0) { 2270 bsg_reply->reply_payload_rcv_len = 2271 bsg_job->reply_payload.payload_len; 2272 vha->qla_stats.input_bytes += 2273 bsg_reply->reply_payload_rcv_len; 2274 vha->qla_stats.input_requests++; 2275 rval = EXT_STATUS_OK; 2276 } 2277 goto done; 2278 2279 case CS_DATA_OVERRUN: 2280 ql_dbg(ql_dbg_user, vha, 0x70b1, 2281 "Command completed with data overrun thread_id=%d\n", 2282 thread_id); 2283 rval = EXT_STATUS_DATA_OVERRUN; 2284 break; 2285 2286 case CS_DATA_UNDERRUN: 2287 ql_dbg(ql_dbg_user, vha, 0x70b2, 2288 "Command completed with data underrun thread_id=%d\n", 2289 thread_id); 2290 rval = EXT_STATUS_DATA_UNDERRUN; 2291 break; 2292 case CS_BIDIR_RD_OVERRUN: 2293 ql_dbg(ql_dbg_user, vha, 0x70b3, 2294 "Command completed with read data overrun thread_id=%d\n", 2295 thread_id); 2296 rval = EXT_STATUS_DATA_OVERRUN; 2297 break; 2298 2299 case CS_BIDIR_RD_WR_OVERRUN: 2300 ql_dbg(ql_dbg_user, vha, 0x70b4, 2301 "Command completed with read and write data overrun " 2302 "thread_id=%d\n", thread_id); 2303 rval = EXT_STATUS_DATA_OVERRUN; 2304 break; 2305 2306 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 2307 ql_dbg(ql_dbg_user, vha, 0x70b5, 2308 "Command completed with read data over and write data " 2309 "underrun thread_id=%d\n", thread_id); 2310 rval = EXT_STATUS_DATA_OVERRUN; 2311 break; 2312 2313 case CS_BIDIR_RD_UNDERRUN: 2314 ql_dbg(ql_dbg_user, vha, 0x70b6, 2315 "Command completed with read data underrun " 2316 "thread_id=%d\n", thread_id); 2317 rval = EXT_STATUS_DATA_UNDERRUN; 2318 break; 2319 2320 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 2321 ql_dbg(ql_dbg_user, vha, 0x70b7, 2322 "Command completed with read data under and write data " 2323 "overrun thread_id=%d\n", thread_id); 2324 rval = EXT_STATUS_DATA_UNDERRUN; 2325 break; 2326 2327 case CS_BIDIR_RD_WR_UNDERRUN: 2328 ql_dbg(ql_dbg_user, vha, 0x70b8, 2329 "Command completed with read and write data underrun " 2330 "thread_id=%d\n", thread_id); 2331 rval = EXT_STATUS_DATA_UNDERRUN; 2332 break; 2333 2334 case CS_BIDIR_DMA: 2335 ql_dbg(ql_dbg_user, vha, 0x70b9, 2336 "Command completed with data DMA error thread_id=%d\n", 2337 thread_id); 2338 rval = EXT_STATUS_DMA_ERR; 2339 break; 2340 2341 case CS_TIMEOUT: 2342 ql_dbg(ql_dbg_user, vha, 0x70ba, 2343 "Command completed with timeout thread_id=%d\n", 2344 thread_id); 2345 rval = EXT_STATUS_TIMEOUT; 2346 break; 2347 default: 2348 ql_dbg(ql_dbg_user, vha, 0x70bb, 2349 "Command completed with completion status=0x%x " 2350 "thread_id=%d\n", comp_status, thread_id); 2351 rval = EXT_STATUS_ERR; 2352 break; 2353 } 2354 bsg_reply->reply_payload_rcv_len = 0; 2355 2356 done: 2357 /* Return the vendor specific reply to API */ 2358 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 2359 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2360 /* Always return DID_OK, bsg will send the vendor specific response 2361 * in this case only */ 2362 sp->done(sp, DID_OK << 16); 2363 2364 } 2365 2366 /** 2367 * qla2x00_status_entry() - Process a Status IOCB entry. 2368 * @vha: SCSI driver HA context 2369 * @rsp: response queue 2370 * @pkt: Entry pointer 2371 */ 2372 static void 2373 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2374 { 2375 srb_t *sp; 2376 fc_port_t *fcport; 2377 struct scsi_cmnd *cp; 2378 sts_entry_t *sts; 2379 struct sts_entry_24xx *sts24; 2380 uint16_t comp_status; 2381 uint16_t scsi_status; 2382 uint16_t ox_id; 2383 uint8_t lscsi_status; 2384 int32_t resid; 2385 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2386 fw_resid_len; 2387 uint8_t *rsp_info, *sense_data; 2388 struct qla_hw_data *ha = vha->hw; 2389 uint32_t handle; 2390 uint16_t que; 2391 struct req_que *req; 2392 int logit = 1; 2393 int res = 0; 2394 uint16_t state_flags = 0; 2395 uint16_t retry_delay = 0; 2396 2397 sts = (sts_entry_t *) pkt; 2398 sts24 = (struct sts_entry_24xx *) pkt; 2399 if (IS_FWI2_CAPABLE(ha)) { 2400 comp_status = le16_to_cpu(sts24->comp_status); 2401 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2402 state_flags = le16_to_cpu(sts24->state_flags); 2403 } else { 2404 comp_status = le16_to_cpu(sts->comp_status); 2405 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2406 } 2407 handle = (uint32_t) LSW(sts->handle); 2408 que = MSW(sts->handle); 2409 req = ha->req_q_map[que]; 2410 2411 /* Check for invalid queue pointer */ 2412 if (req == NULL || 2413 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 2414 ql_dbg(ql_dbg_io, vha, 0x3059, 2415 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 2416 "que=%u.\n", sts->handle, req, que); 2417 return; 2418 } 2419 2420 /* Validate handle. */ 2421 if (handle < req->num_outstanding_cmds) { 2422 sp = req->outstanding_cmds[handle]; 2423 if (!sp) { 2424 ql_dbg(ql_dbg_io, vha, 0x3075, 2425 "%s(%ld): Already returned command for status handle (0x%x).\n", 2426 __func__, vha->host_no, sts->handle); 2427 return; 2428 } 2429 } else { 2430 ql_dbg(ql_dbg_io, vha, 0x3017, 2431 "Invalid status handle, out of range (0x%x).\n", 2432 sts->handle); 2433 2434 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 2435 if (IS_P3P_TYPE(ha)) 2436 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2437 else 2438 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2439 qla2xxx_wake_dpc(vha); 2440 } 2441 return; 2442 } 2443 2444 if (sp->cmd_type != TYPE_SRB) { 2445 req->outstanding_cmds[handle] = NULL; 2446 ql_dbg(ql_dbg_io, vha, 0x3015, 2447 "Unknown sp->cmd_type %x %p).\n", 2448 sp->cmd_type, sp); 2449 return; 2450 } 2451 2452 /* NVME completion. */ 2453 if (sp->type == SRB_NVME_CMD) { 2454 req->outstanding_cmds[handle] = NULL; 2455 qla24xx_nvme_iocb_entry(vha, req, pkt, sp); 2456 return; 2457 } 2458 2459 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 2460 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 2461 return; 2462 } 2463 2464 /* Task Management completion. */ 2465 if (sp->type == SRB_TM_CMD) { 2466 qla24xx_tm_iocb_entry(vha, req, pkt); 2467 return; 2468 } 2469 2470 /* Fast path completion. */ 2471 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2472 qla2x00_process_completed_request(vha, req, handle); 2473 2474 return; 2475 } 2476 2477 req->outstanding_cmds[handle] = NULL; 2478 cp = GET_CMD_SP(sp); 2479 if (cp == NULL) { 2480 ql_dbg(ql_dbg_io, vha, 0x3018, 2481 "Command already returned (0x%x/%p).\n", 2482 sts->handle, sp); 2483 2484 return; 2485 } 2486 2487 lscsi_status = scsi_status & STATUS_MASK; 2488 2489 fcport = sp->fcport; 2490 2491 ox_id = 0; 2492 sense_len = par_sense_len = rsp_info_len = resid_len = 2493 fw_resid_len = 0; 2494 if (IS_FWI2_CAPABLE(ha)) { 2495 if (scsi_status & SS_SENSE_LEN_VALID) 2496 sense_len = le32_to_cpu(sts24->sense_len); 2497 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2498 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 2499 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 2500 resid_len = le32_to_cpu(sts24->rsp_residual_count); 2501 if (comp_status == CS_DATA_UNDERRUN) 2502 fw_resid_len = le32_to_cpu(sts24->residual_len); 2503 rsp_info = sts24->data; 2504 sense_data = sts24->data; 2505 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 2506 ox_id = le16_to_cpu(sts24->ox_id); 2507 par_sense_len = sizeof(sts24->data); 2508 /* Valid values of the retry delay timer are 0x1-0xffef */ 2509 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) { 2510 retry_delay = sts24->retry_delay & 0x3fff; 2511 ql_dbg(ql_dbg_io, sp->vha, 0x3033, 2512 "%s: scope=%#x retry_delay=%#x\n", __func__, 2513 sts24->retry_delay >> 14, retry_delay); 2514 } 2515 } else { 2516 if (scsi_status & SS_SENSE_LEN_VALID) 2517 sense_len = le16_to_cpu(sts->req_sense_length); 2518 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2519 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 2520 resid_len = le32_to_cpu(sts->residual_length); 2521 rsp_info = sts->rsp_info; 2522 sense_data = sts->req_sense_data; 2523 par_sense_len = sizeof(sts->req_sense_data); 2524 } 2525 2526 /* Check for any FCP transport errors. */ 2527 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 2528 /* Sense data lies beyond any FCP RESPONSE data. */ 2529 if (IS_FWI2_CAPABLE(ha)) { 2530 sense_data += rsp_info_len; 2531 par_sense_len -= rsp_info_len; 2532 } 2533 if (rsp_info_len > 3 && rsp_info[3]) { 2534 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 2535 "FCP I/O protocol failure (0x%x/0x%x).\n", 2536 rsp_info_len, rsp_info[3]); 2537 2538 res = DID_BUS_BUSY << 16; 2539 goto out; 2540 } 2541 } 2542 2543 /* Check for overrun. */ 2544 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2545 scsi_status & SS_RESIDUAL_OVER) 2546 comp_status = CS_DATA_OVERRUN; 2547 2548 /* 2549 * Check retry_delay_timer value if we receive a busy or 2550 * queue full. 2551 */ 2552 if (lscsi_status == SAM_STAT_TASK_SET_FULL || 2553 lscsi_status == SAM_STAT_BUSY) 2554 qla2x00_set_retry_delay_timestamp(fcport, retry_delay); 2555 2556 /* 2557 * Based on Host and scsi status generate status code for Linux 2558 */ 2559 switch (comp_status) { 2560 case CS_COMPLETE: 2561 case CS_QUEUE_FULL: 2562 if (scsi_status == 0) { 2563 res = DID_OK << 16; 2564 break; 2565 } 2566 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2567 resid = resid_len; 2568 scsi_set_resid(cp, resid); 2569 2570 if (!lscsi_status && 2571 ((unsigned)(scsi_bufflen(cp) - resid) < 2572 cp->underflow)) { 2573 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2574 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2575 resid, scsi_bufflen(cp)); 2576 2577 res = DID_ERROR << 16; 2578 break; 2579 } 2580 } 2581 res = DID_OK << 16 | lscsi_status; 2582 2583 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2584 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2585 "QUEUE FULL detected.\n"); 2586 break; 2587 } 2588 logit = 0; 2589 if (lscsi_status != SS_CHECK_CONDITION) 2590 break; 2591 2592 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2593 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2594 break; 2595 2596 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2597 rsp, res); 2598 break; 2599 2600 case CS_DATA_UNDERRUN: 2601 /* Use F/W calculated residual length. */ 2602 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2603 scsi_set_resid(cp, resid); 2604 if (scsi_status & SS_RESIDUAL_UNDER) { 2605 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2606 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2607 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2608 resid, scsi_bufflen(cp)); 2609 2610 res = DID_ERROR << 16 | lscsi_status; 2611 goto check_scsi_status; 2612 } 2613 2614 if (!lscsi_status && 2615 ((unsigned)(scsi_bufflen(cp) - resid) < 2616 cp->underflow)) { 2617 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2618 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2619 resid, scsi_bufflen(cp)); 2620 2621 res = DID_ERROR << 16; 2622 break; 2623 } 2624 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2625 lscsi_status != SAM_STAT_BUSY) { 2626 /* 2627 * scsi status of task set and busy are considered to be 2628 * task not completed. 2629 */ 2630 2631 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2632 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2633 resid, scsi_bufflen(cp)); 2634 2635 res = DID_ERROR << 16 | lscsi_status; 2636 goto check_scsi_status; 2637 } else { 2638 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2639 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2640 scsi_status, lscsi_status); 2641 } 2642 2643 res = DID_OK << 16 | lscsi_status; 2644 logit = 0; 2645 2646 check_scsi_status: 2647 /* 2648 * Check to see if SCSI Status is non zero. If so report SCSI 2649 * Status. 2650 */ 2651 if (lscsi_status != 0) { 2652 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2653 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2654 "QUEUE FULL detected.\n"); 2655 logit = 1; 2656 break; 2657 } 2658 if (lscsi_status != SS_CHECK_CONDITION) 2659 break; 2660 2661 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2662 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2663 break; 2664 2665 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2666 sense_len, rsp, res); 2667 } 2668 break; 2669 2670 case CS_PORT_LOGGED_OUT: 2671 case CS_PORT_CONFIG_CHG: 2672 case CS_PORT_BUSY: 2673 case CS_INCOMPLETE: 2674 case CS_PORT_UNAVAILABLE: 2675 case CS_TIMEOUT: 2676 case CS_RESET: 2677 2678 /* 2679 * We are going to have the fc class block the rport 2680 * while we try to recover so instruct the mid layer 2681 * to requeue until the class decides how to handle this. 2682 */ 2683 res = DID_TRANSPORT_DISRUPTED << 16; 2684 2685 if (comp_status == CS_TIMEOUT) { 2686 if (IS_FWI2_CAPABLE(ha)) 2687 break; 2688 else if ((le16_to_cpu(sts->status_flags) & 2689 SF_LOGOUT_SENT) == 0) 2690 break; 2691 } 2692 2693 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2694 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2695 "Port to be marked lost on fcport=%02x%02x%02x, current " 2696 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 2697 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2698 port_state_str[atomic_read(&fcport->state)], 2699 comp_status); 2700 2701 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 2702 qlt_schedule_sess_for_deletion(fcport); 2703 } 2704 2705 break; 2706 2707 case CS_ABORTED: 2708 res = DID_RESET << 16; 2709 break; 2710 2711 case CS_DIF_ERROR: 2712 logit = qla2x00_handle_dif_error(sp, sts24); 2713 res = cp->result; 2714 break; 2715 2716 case CS_TRANSPORT: 2717 res = DID_ERROR << 16; 2718 2719 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2720 break; 2721 2722 if (state_flags & BIT_4) 2723 scmd_printk(KERN_WARNING, cp, 2724 "Unsupported device '%s' found.\n", 2725 cp->device->vendor); 2726 break; 2727 2728 default: 2729 res = DID_ERROR << 16; 2730 break; 2731 } 2732 2733 out: 2734 if (logit) 2735 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 2736 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 2737 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " 2738 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 2739 comp_status, scsi_status, res, vha->host_no, 2740 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 2741 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 2742 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2743 resid_len, fw_resid_len, sp, cp); 2744 2745 if (rsp->status_srb == NULL) 2746 sp->done(sp, res); 2747 } 2748 2749 /** 2750 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 2751 * @rsp: response queue 2752 * @pkt: Entry pointer 2753 * 2754 * Extended sense data. 2755 */ 2756 static void 2757 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2758 { 2759 uint8_t sense_sz = 0; 2760 struct qla_hw_data *ha = rsp->hw; 2761 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2762 srb_t *sp = rsp->status_srb; 2763 struct scsi_cmnd *cp; 2764 uint32_t sense_len; 2765 uint8_t *sense_ptr; 2766 2767 if (!sp || !GET_CMD_SENSE_LEN(sp)) 2768 return; 2769 2770 sense_len = GET_CMD_SENSE_LEN(sp); 2771 sense_ptr = GET_CMD_SENSE_PTR(sp); 2772 2773 cp = GET_CMD_SP(sp); 2774 if (cp == NULL) { 2775 ql_log(ql_log_warn, vha, 0x3025, 2776 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2777 2778 rsp->status_srb = NULL; 2779 return; 2780 } 2781 2782 if (sense_len > sizeof(pkt->data)) 2783 sense_sz = sizeof(pkt->data); 2784 else 2785 sense_sz = sense_len; 2786 2787 /* Move sense data. */ 2788 if (IS_FWI2_CAPABLE(ha)) 2789 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 2790 memcpy(sense_ptr, pkt->data, sense_sz); 2791 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 2792 sense_ptr, sense_sz); 2793 2794 sense_len -= sense_sz; 2795 sense_ptr += sense_sz; 2796 2797 SET_CMD_SENSE_PTR(sp, sense_ptr); 2798 SET_CMD_SENSE_LEN(sp, sense_len); 2799 2800 /* Place command on done queue. */ 2801 if (sense_len == 0) { 2802 rsp->status_srb = NULL; 2803 sp->done(sp, cp->result); 2804 } 2805 } 2806 2807 /** 2808 * qla2x00_error_entry() - Process an error entry. 2809 * @vha: SCSI driver HA context 2810 * @rsp: response queue 2811 * @pkt: Entry pointer 2812 * return : 1=allow further error analysis. 0=no additional error analysis. 2813 */ 2814 static int 2815 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 2816 { 2817 srb_t *sp; 2818 struct qla_hw_data *ha = vha->hw; 2819 const char func[] = "ERROR-IOCB"; 2820 uint16_t que = MSW(pkt->handle); 2821 struct req_que *req = NULL; 2822 int res = DID_ERROR << 16; 2823 2824 ql_dbg(ql_dbg_async, vha, 0x502a, 2825 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", 2826 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); 2827 2828 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 2829 goto fatal; 2830 2831 req = ha->req_q_map[que]; 2832 2833 if (pkt->entry_status & RF_BUSY) 2834 res = DID_BUS_BUSY << 16; 2835 2836 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) 2837 return 0; 2838 2839 switch (pkt->entry_type) { 2840 case NOTIFY_ACK_TYPE: 2841 case STATUS_TYPE: 2842 case STATUS_CONT_TYPE: 2843 case LOGINOUT_PORT_IOCB_TYPE: 2844 case CT_IOCB_TYPE: 2845 case ELS_IOCB_TYPE: 2846 case ABORT_IOCB_TYPE: 2847 case MBX_IOCB_TYPE: 2848 default: 2849 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2850 if (sp) { 2851 sp->done(sp, res); 2852 return 0; 2853 } 2854 break; 2855 2856 case ABTS_RESP_24XX: 2857 case CTIO_TYPE7: 2858 case CTIO_CRC2: 2859 return 1; 2860 } 2861 fatal: 2862 ql_log(ql_log_warn, vha, 0x5030, 2863 "Error entry - invalid handle/queue (%04x).\n", que); 2864 return 0; 2865 } 2866 2867 /** 2868 * qla24xx_mbx_completion() - Process mailbox command completions. 2869 * @vha: SCSI driver HA context 2870 * @mb0: Mailbox0 register 2871 */ 2872 static void 2873 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2874 { 2875 uint16_t cnt; 2876 uint32_t mboxes; 2877 uint16_t __iomem *wptr; 2878 struct qla_hw_data *ha = vha->hw; 2879 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2880 2881 /* Read all mbox registers? */ 2882 WARN_ON_ONCE(ha->mbx_count > 32); 2883 mboxes = (1ULL << ha->mbx_count) - 1; 2884 if (!ha->mcp) 2885 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 2886 else 2887 mboxes = ha->mcp->in_mb; 2888 2889 /* Load return mailbox registers. */ 2890 ha->flags.mbox_int = 1; 2891 ha->mailbox_out[0] = mb0; 2892 mboxes >>= 1; 2893 wptr = (uint16_t __iomem *)®->mailbox1; 2894 2895 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2896 if (mboxes & BIT_0) 2897 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2898 2899 mboxes >>= 1; 2900 wptr++; 2901 } 2902 } 2903 2904 static void 2905 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2906 struct abort_entry_24xx *pkt) 2907 { 2908 const char func[] = "ABT_IOCB"; 2909 srb_t *sp; 2910 struct srb_iocb *abt; 2911 2912 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2913 if (!sp) 2914 return; 2915 2916 abt = &sp->u.iocb_cmd; 2917 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle); 2918 sp->done(sp, 0); 2919 } 2920 2921 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, 2922 struct pt_ls4_request *pkt, struct req_que *req) 2923 { 2924 srb_t *sp; 2925 const char func[] = "LS4_IOCB"; 2926 uint16_t comp_status; 2927 2928 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2929 if (!sp) 2930 return; 2931 2932 comp_status = le16_to_cpu(pkt->status); 2933 sp->done(sp, comp_status); 2934 } 2935 2936 /** 2937 * qla24xx_process_response_queue() - Process response queue entries. 2938 * @vha: SCSI driver HA context 2939 * @rsp: response queue 2940 */ 2941 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 2942 struct rsp_que *rsp) 2943 { 2944 struct sts_entry_24xx *pkt; 2945 struct qla_hw_data *ha = vha->hw; 2946 2947 if (!ha->flags.fw_started) 2948 return; 2949 2950 if (rsp->qpair->cpuid != smp_processor_id()) 2951 qla_cpu_update(rsp->qpair, smp_processor_id()); 2952 2953 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2954 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 2955 2956 rsp->ring_index++; 2957 if (rsp->ring_index == rsp->length) { 2958 rsp->ring_index = 0; 2959 rsp->ring_ptr = rsp->ring; 2960 } else { 2961 rsp->ring_ptr++; 2962 } 2963 2964 if (pkt->entry_status != 0) { 2965 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) 2966 goto process_err; 2967 2968 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2969 wmb(); 2970 continue; 2971 } 2972 process_err: 2973 2974 switch (pkt->entry_type) { 2975 case STATUS_TYPE: 2976 qla2x00_status_entry(vha, rsp, pkt); 2977 break; 2978 case STATUS_CONT_TYPE: 2979 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2980 break; 2981 case VP_RPT_ID_IOCB_TYPE: 2982 qla24xx_report_id_acquisition(vha, 2983 (struct vp_rpt_id_entry_24xx *)pkt); 2984 break; 2985 case LOGINOUT_PORT_IOCB_TYPE: 2986 qla24xx_logio_entry(vha, rsp->req, 2987 (struct logio_entry_24xx *)pkt); 2988 break; 2989 case CT_IOCB_TYPE: 2990 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2991 break; 2992 case ELS_IOCB_TYPE: 2993 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 2994 break; 2995 case ABTS_RECV_24XX: 2996 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 2997 /* ensure that the ATIO queue is empty */ 2998 qlt_handle_abts_recv(vha, rsp, 2999 (response_t *)pkt); 3000 break; 3001 } else { 3002 qlt_24xx_process_atio_queue(vha, 1); 3003 } 3004 /* fall through */ 3005 case ABTS_RESP_24XX: 3006 case CTIO_TYPE7: 3007 case CTIO_CRC2: 3008 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); 3009 break; 3010 case PT_LS4_REQUEST: 3011 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, 3012 rsp->req); 3013 break; 3014 case NOTIFY_ACK_TYPE: 3015 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 3016 qlt_response_pkt_all_vps(vha, rsp, 3017 (response_t *)pkt); 3018 else 3019 qla24xxx_nack_iocb_entry(vha, rsp->req, 3020 (struct nack_to_isp *)pkt); 3021 break; 3022 case MARKER_TYPE: 3023 /* Do nothing in this case, this check is to prevent it 3024 * from falling into default case 3025 */ 3026 break; 3027 case ABORT_IOCB_TYPE: 3028 qla24xx_abort_iocb_entry(vha, rsp->req, 3029 (struct abort_entry_24xx *)pkt); 3030 break; 3031 case MBX_IOCB_TYPE: 3032 qla24xx_mbx_iocb_entry(vha, rsp->req, 3033 (struct mbx_24xx_entry *)pkt); 3034 break; 3035 case VP_CTRL_IOCB_TYPE: 3036 qla_ctrlvp_completed(vha, rsp->req, 3037 (struct vp_ctrl_entry_24xx *)pkt); 3038 break; 3039 default: 3040 /* Type Not Supported. */ 3041 ql_dbg(ql_dbg_async, vha, 0x5042, 3042 "Received unknown response pkt type %x " 3043 "entry status=%x.\n", 3044 pkt->entry_type, pkt->entry_status); 3045 break; 3046 } 3047 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3048 wmb(); 3049 } 3050 3051 /* Adjust ring index */ 3052 if (IS_P3P_TYPE(ha)) { 3053 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 3054 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 3055 } else { 3056 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 3057 } 3058 } 3059 3060 static void 3061 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 3062 { 3063 int rval; 3064 uint32_t cnt; 3065 struct qla_hw_data *ha = vha->hw; 3066 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3067 3068 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 3069 !IS_QLA27XX(ha)) 3070 return; 3071 3072 rval = QLA_SUCCESS; 3073 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 3074 RD_REG_DWORD(®->iobase_addr); 3075 WRT_REG_DWORD(®->iobase_window, 0x0001); 3076 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3077 rval == QLA_SUCCESS; cnt--) { 3078 if (cnt) { 3079 WRT_REG_DWORD(®->iobase_window, 0x0001); 3080 udelay(10); 3081 } else 3082 rval = QLA_FUNCTION_TIMEOUT; 3083 } 3084 if (rval == QLA_SUCCESS) 3085 goto next_test; 3086 3087 rval = QLA_SUCCESS; 3088 WRT_REG_DWORD(®->iobase_window, 0x0003); 3089 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3090 rval == QLA_SUCCESS; cnt--) { 3091 if (cnt) { 3092 WRT_REG_DWORD(®->iobase_window, 0x0003); 3093 udelay(10); 3094 } else 3095 rval = QLA_FUNCTION_TIMEOUT; 3096 } 3097 if (rval != QLA_SUCCESS) 3098 goto done; 3099 3100 next_test: 3101 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 3102 ql_log(ql_log_info, vha, 0x504c, 3103 "Additional code -- 0x55AA.\n"); 3104 3105 done: 3106 WRT_REG_DWORD(®->iobase_window, 0x0000); 3107 RD_REG_DWORD(®->iobase_window); 3108 } 3109 3110 /** 3111 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 3112 * @irq: interrupt number 3113 * @dev_id: SCSI driver HA context 3114 * 3115 * Called by system whenever the host adapter generates an interrupt. 3116 * 3117 * Returns handled flag. 3118 */ 3119 irqreturn_t 3120 qla24xx_intr_handler(int irq, void *dev_id) 3121 { 3122 scsi_qla_host_t *vha; 3123 struct qla_hw_data *ha; 3124 struct device_reg_24xx __iomem *reg; 3125 int status; 3126 unsigned long iter; 3127 uint32_t stat; 3128 uint32_t hccr; 3129 uint16_t mb[8]; 3130 struct rsp_que *rsp; 3131 unsigned long flags; 3132 bool process_atio = false; 3133 3134 rsp = (struct rsp_que *) dev_id; 3135 if (!rsp) { 3136 ql_log(ql_log_info, NULL, 0x5059, 3137 "%s: NULL response queue pointer.\n", __func__); 3138 return IRQ_NONE; 3139 } 3140 3141 ha = rsp->hw; 3142 reg = &ha->iobase->isp24; 3143 status = 0; 3144 3145 if (unlikely(pci_channel_offline(ha->pdev))) 3146 return IRQ_HANDLED; 3147 3148 spin_lock_irqsave(&ha->hardware_lock, flags); 3149 vha = pci_get_drvdata(ha->pdev); 3150 for (iter = 50; iter--; ) { 3151 stat = RD_REG_DWORD(®->host_status); 3152 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3153 break; 3154 if (stat & HSRX_RISC_PAUSED) { 3155 if (unlikely(pci_channel_offline(ha->pdev))) 3156 break; 3157 3158 hccr = RD_REG_DWORD(®->hccr); 3159 3160 ql_log(ql_log_warn, vha, 0x504b, 3161 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3162 hccr); 3163 3164 qla2xxx_check_risc_status(vha); 3165 3166 ha->isp_ops->fw_dump(vha, 1); 3167 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3168 break; 3169 } else if ((stat & HSRX_RISC_INT) == 0) 3170 break; 3171 3172 switch (stat & 0xff) { 3173 case INTR_ROM_MB_SUCCESS: 3174 case INTR_ROM_MB_FAILED: 3175 case INTR_MB_SUCCESS: 3176 case INTR_MB_FAILED: 3177 qla24xx_mbx_completion(vha, MSW(stat)); 3178 status |= MBX_INTERRUPT; 3179 3180 break; 3181 case INTR_ASYNC_EVENT: 3182 mb[0] = MSW(stat); 3183 mb[1] = RD_REG_WORD(®->mailbox1); 3184 mb[2] = RD_REG_WORD(®->mailbox2); 3185 mb[3] = RD_REG_WORD(®->mailbox3); 3186 qla2x00_async_event(vha, rsp, mb); 3187 break; 3188 case INTR_RSP_QUE_UPDATE: 3189 case INTR_RSP_QUE_UPDATE_83XX: 3190 qla24xx_process_response_queue(vha, rsp); 3191 break; 3192 case INTR_ATIO_QUE_UPDATE_27XX: 3193 case INTR_ATIO_QUE_UPDATE: 3194 process_atio = true; 3195 break; 3196 case INTR_ATIO_RSP_QUE_UPDATE: 3197 process_atio = true; 3198 qla24xx_process_response_queue(vha, rsp); 3199 break; 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 if (process_atio) { 3214 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 3215 qlt_24xx_process_atio_queue(vha, 0); 3216 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 3217 } 3218 3219 return IRQ_HANDLED; 3220 } 3221 3222 static irqreturn_t 3223 qla24xx_msix_rsp_q(int irq, void *dev_id) 3224 { 3225 struct qla_hw_data *ha; 3226 struct rsp_que *rsp; 3227 struct device_reg_24xx __iomem *reg; 3228 struct scsi_qla_host *vha; 3229 unsigned long flags; 3230 3231 rsp = (struct rsp_que *) dev_id; 3232 if (!rsp) { 3233 ql_log(ql_log_info, NULL, 0x505a, 3234 "%s: NULL response queue pointer.\n", __func__); 3235 return IRQ_NONE; 3236 } 3237 ha = rsp->hw; 3238 reg = &ha->iobase->isp24; 3239 3240 spin_lock_irqsave(&ha->hardware_lock, flags); 3241 3242 vha = pci_get_drvdata(ha->pdev); 3243 qla24xx_process_response_queue(vha, rsp); 3244 if (!ha->flags.disable_msix_handshake) { 3245 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3246 RD_REG_DWORD_RELAXED(®->hccr); 3247 } 3248 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3249 3250 return IRQ_HANDLED; 3251 } 3252 3253 static irqreturn_t 3254 qla24xx_msix_default(int irq, void *dev_id) 3255 { 3256 scsi_qla_host_t *vha; 3257 struct qla_hw_data *ha; 3258 struct rsp_que *rsp; 3259 struct device_reg_24xx __iomem *reg; 3260 int status; 3261 uint32_t stat; 3262 uint32_t hccr; 3263 uint16_t mb[8]; 3264 unsigned long flags; 3265 bool process_atio = false; 3266 3267 rsp = (struct rsp_que *) dev_id; 3268 if (!rsp) { 3269 ql_log(ql_log_info, NULL, 0x505c, 3270 "%s: NULL response queue pointer.\n", __func__); 3271 return IRQ_NONE; 3272 } 3273 ha = rsp->hw; 3274 reg = &ha->iobase->isp24; 3275 status = 0; 3276 3277 spin_lock_irqsave(&ha->hardware_lock, flags); 3278 vha = pci_get_drvdata(ha->pdev); 3279 do { 3280 stat = RD_REG_DWORD(®->host_status); 3281 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3282 break; 3283 if (stat & HSRX_RISC_PAUSED) { 3284 if (unlikely(pci_channel_offline(ha->pdev))) 3285 break; 3286 3287 hccr = RD_REG_DWORD(®->hccr); 3288 3289 ql_log(ql_log_info, vha, 0x5050, 3290 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3291 hccr); 3292 3293 qla2xxx_check_risc_status(vha); 3294 3295 ha->isp_ops->fw_dump(vha, 1); 3296 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3297 break; 3298 } else if ((stat & HSRX_RISC_INT) == 0) 3299 break; 3300 3301 switch (stat & 0xff) { 3302 case INTR_ROM_MB_SUCCESS: 3303 case INTR_ROM_MB_FAILED: 3304 case INTR_MB_SUCCESS: 3305 case INTR_MB_FAILED: 3306 qla24xx_mbx_completion(vha, MSW(stat)); 3307 status |= MBX_INTERRUPT; 3308 3309 break; 3310 case INTR_ASYNC_EVENT: 3311 mb[0] = MSW(stat); 3312 mb[1] = RD_REG_WORD(®->mailbox1); 3313 mb[2] = RD_REG_WORD(®->mailbox2); 3314 mb[3] = RD_REG_WORD(®->mailbox3); 3315 qla2x00_async_event(vha, rsp, mb); 3316 break; 3317 case INTR_RSP_QUE_UPDATE: 3318 case INTR_RSP_QUE_UPDATE_83XX: 3319 qla24xx_process_response_queue(vha, rsp); 3320 break; 3321 case INTR_ATIO_QUE_UPDATE_27XX: 3322 case INTR_ATIO_QUE_UPDATE: 3323 process_atio = true; 3324 break; 3325 case INTR_ATIO_RSP_QUE_UPDATE: 3326 process_atio = true; 3327 qla24xx_process_response_queue(vha, rsp); 3328 break; 3329 default: 3330 ql_dbg(ql_dbg_async, vha, 0x5051, 3331 "Unrecognized interrupt type (%d).\n", stat & 0xff); 3332 break; 3333 } 3334 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3335 } while (0); 3336 qla2x00_handle_mbx_completion(ha, status); 3337 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3338 3339 if (process_atio) { 3340 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 3341 qlt_24xx_process_atio_queue(vha, 0); 3342 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 3343 } 3344 3345 return IRQ_HANDLED; 3346 } 3347 3348 irqreturn_t 3349 qla2xxx_msix_rsp_q(int irq, void *dev_id) 3350 { 3351 struct qla_hw_data *ha; 3352 struct qla_qpair *qpair; 3353 struct device_reg_24xx __iomem *reg; 3354 unsigned long flags; 3355 3356 qpair = dev_id; 3357 if (!qpair) { 3358 ql_log(ql_log_info, NULL, 0x505b, 3359 "%s: NULL response queue pointer.\n", __func__); 3360 return IRQ_NONE; 3361 } 3362 ha = qpair->hw; 3363 3364 /* Clear the interrupt, if enabled, for this response queue */ 3365 if (unlikely(!ha->flags.disable_msix_handshake)) { 3366 reg = &ha->iobase->isp24; 3367 spin_lock_irqsave(&ha->hardware_lock, flags); 3368 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3369 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3370 } 3371 3372 queue_work(ha->wq, &qpair->q_work); 3373 3374 return IRQ_HANDLED; 3375 } 3376 3377 /* Interrupt handling helpers. */ 3378 3379 struct qla_init_msix_entry { 3380 const char *name; 3381 irq_handler_t handler; 3382 }; 3383 3384 static const struct qla_init_msix_entry msix_entries[] = { 3385 { "default", qla24xx_msix_default }, 3386 { "rsp_q", qla24xx_msix_rsp_q }, 3387 { "atio_q", qla83xx_msix_atio_q }, 3388 { "qpair_multiq", qla2xxx_msix_rsp_q }, 3389 }; 3390 3391 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 3392 { "qla2xxx (default)", qla82xx_msix_default }, 3393 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 3394 }; 3395 3396 static int 3397 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 3398 { 3399 int i, ret; 3400 struct qla_msix_entry *qentry; 3401 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3402 int min_vecs = QLA_BASE_VECTORS; 3403 struct irq_affinity desc = { 3404 .pre_vectors = QLA_BASE_VECTORS, 3405 }; 3406 3407 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3408 IS_ATIO_MSIX_CAPABLE(ha)) { 3409 desc.pre_vectors++; 3410 min_vecs++; 3411 } 3412 3413 if (USER_CTRL_IRQ(ha)) { 3414 /* user wants to control IRQ setting for target mode */ 3415 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, 3416 ha->msix_count, PCI_IRQ_MSIX); 3417 } else 3418 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 3419 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 3420 &desc); 3421 3422 if (ret < 0) { 3423 ql_log(ql_log_fatal, vha, 0x00c7, 3424 "MSI-X: Failed to enable support, " 3425 "giving up -- %d/%d.\n", 3426 ha->msix_count, ret); 3427 goto msix_out; 3428 } else if (ret < ha->msix_count) { 3429 ql_log(ql_log_warn, vha, 0x00c6, 3430 "MSI-X: Failed to enable support " 3431 "with %d vectors, using %d vectors.\n", 3432 ha->msix_count, ret); 3433 ha->msix_count = ret; 3434 /* Recalculate queue values */ 3435 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { 3436 ha->max_req_queues = ha->msix_count - 1; 3437 3438 /* ATIOQ needs 1 vector. That's 1 less QPair */ 3439 if (QLA_TGT_MODE_ENABLED()) 3440 ha->max_req_queues--; 3441 3442 ha->max_rsp_queues = ha->max_req_queues; 3443 3444 ha->max_qpairs = ha->max_req_queues - 1; 3445 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 3446 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 3447 } 3448 } 3449 vha->irq_offset = desc.pre_vectors; 3450 ha->msix_entries = kcalloc(ha->msix_count, 3451 sizeof(struct qla_msix_entry), 3452 GFP_KERNEL); 3453 if (!ha->msix_entries) { 3454 ql_log(ql_log_fatal, vha, 0x00c8, 3455 "Failed to allocate memory for ha->msix_entries.\n"); 3456 ret = -ENOMEM; 3457 goto msix_out; 3458 } 3459 ha->flags.msix_enabled = 1; 3460 3461 for (i = 0; i < ha->msix_count; i++) { 3462 qentry = &ha->msix_entries[i]; 3463 qentry->vector = pci_irq_vector(ha->pdev, i); 3464 qentry->entry = i; 3465 qentry->have_irq = 0; 3466 qentry->in_use = 0; 3467 qentry->handle = NULL; 3468 } 3469 3470 /* Enable MSI-X vectors for the base queue */ 3471 for (i = 0; i < QLA_BASE_VECTORS; i++) { 3472 qentry = &ha->msix_entries[i]; 3473 qentry->handle = rsp; 3474 rsp->msix = qentry; 3475 scnprintf(qentry->name, sizeof(qentry->name), 3476 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); 3477 if (IS_P3P_TYPE(ha)) 3478 ret = request_irq(qentry->vector, 3479 qla82xx_msix_entries[i].handler, 3480 0, qla82xx_msix_entries[i].name, rsp); 3481 else 3482 ret = request_irq(qentry->vector, 3483 msix_entries[i].handler, 3484 0, qentry->name, rsp); 3485 if (ret) 3486 goto msix_register_fail; 3487 qentry->have_irq = 1; 3488 qentry->in_use = 1; 3489 } 3490 3491 /* 3492 * If target mode is enable, also request the vector for the ATIO 3493 * queue. 3494 */ 3495 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3496 IS_ATIO_MSIX_CAPABLE(ha)) { 3497 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 3498 rsp->msix = qentry; 3499 qentry->handle = rsp; 3500 scnprintf(qentry->name, sizeof(qentry->name), 3501 "qla2xxx%lu_%s", vha->host_no, 3502 msix_entries[QLA_ATIO_VECTOR].name); 3503 qentry->in_use = 1; 3504 ret = request_irq(qentry->vector, 3505 msix_entries[QLA_ATIO_VECTOR].handler, 3506 0, qentry->name, rsp); 3507 qentry->have_irq = 1; 3508 } 3509 3510 msix_register_fail: 3511 if (ret) { 3512 ql_log(ql_log_fatal, vha, 0x00cb, 3513 "MSI-X: unable to register handler -- %x/%d.\n", 3514 qentry->vector, ret); 3515 qla2x00_free_irqs(vha); 3516 ha->mqenable = 0; 3517 goto msix_out; 3518 } 3519 3520 /* Enable MSI-X vector for response queue update for queue 0 */ 3521 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 3522 if (ha->msixbase && ha->mqiobase && 3523 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3524 ql2xmqsupport)) 3525 ha->mqenable = 1; 3526 } else 3527 if (ha->mqiobase && 3528 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3529 ql2xmqsupport)) 3530 ha->mqenable = 1; 3531 ql_dbg(ql_dbg_multiq, vha, 0xc005, 3532 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3533 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3534 ql_dbg(ql_dbg_init, vha, 0x0055, 3535 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3536 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3537 3538 msix_out: 3539 return ret; 3540 } 3541 3542 int 3543 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 3544 { 3545 int ret = QLA_FUNCTION_FAILED; 3546 device_reg_t *reg = ha->iobase; 3547 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3548 3549 /* If possible, enable MSI-X. */ 3550 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && 3551 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && 3552 !IS_QLAFX00(ha) && !IS_QLA27XX(ha))) 3553 goto skip_msi; 3554 3555 if (ql2xenablemsix == 2) 3556 goto skip_msix; 3557 3558 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 3559 (ha->pdev->subsystem_device == 0x7040 || 3560 ha->pdev->subsystem_device == 0x7041 || 3561 ha->pdev->subsystem_device == 0x1705)) { 3562 ql_log(ql_log_warn, vha, 0x0034, 3563 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 3564 ha->pdev->subsystem_vendor, 3565 ha->pdev->subsystem_device); 3566 goto skip_msi; 3567 } 3568 3569 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 3570 ql_log(ql_log_warn, vha, 0x0035, 3571 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 3572 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 3573 goto skip_msix; 3574 } 3575 3576 ret = qla24xx_enable_msix(ha, rsp); 3577 if (!ret) { 3578 ql_dbg(ql_dbg_init, vha, 0x0036, 3579 "MSI-X: Enabled (0x%X, 0x%X).\n", 3580 ha->chip_revision, ha->fw_attributes); 3581 goto clear_risc_ints; 3582 } 3583 3584 skip_msix: 3585 3586 ql_log(ql_log_info, vha, 0x0037, 3587 "Falling back-to MSI mode -%d.\n", ret); 3588 3589 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3590 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 3591 !IS_QLA27XX(ha)) 3592 goto skip_msi; 3593 3594 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 3595 if (!ret) { 3596 ql_dbg(ql_dbg_init, vha, 0x0038, 3597 "MSI: Enabled.\n"); 3598 ha->flags.msi_enabled = 1; 3599 } else 3600 ql_log(ql_log_warn, vha, 0x0039, 3601 "Falling back-to INTa mode -- %d.\n", ret); 3602 skip_msi: 3603 3604 /* Skip INTx on ISP82xx. */ 3605 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 3606 return QLA_FUNCTION_FAILED; 3607 3608 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 3609 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 3610 QLA2XXX_DRIVER_NAME, rsp); 3611 if (ret) { 3612 ql_log(ql_log_warn, vha, 0x003a, 3613 "Failed to reserve interrupt %d already in use.\n", 3614 ha->pdev->irq); 3615 goto fail; 3616 } else if (!ha->flags.msi_enabled) { 3617 ql_dbg(ql_dbg_init, vha, 0x0125, 3618 "INTa mode: Enabled.\n"); 3619 ha->flags.mr_intr_valid = 1; 3620 } 3621 3622 clear_risc_ints: 3623 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 3624 goto fail; 3625 3626 spin_lock_irq(&ha->hardware_lock); 3627 WRT_REG_WORD(®->isp.semaphore, 0); 3628 spin_unlock_irq(&ha->hardware_lock); 3629 3630 fail: 3631 return ret; 3632 } 3633 3634 void 3635 qla2x00_free_irqs(scsi_qla_host_t *vha) 3636 { 3637 struct qla_hw_data *ha = vha->hw; 3638 struct rsp_que *rsp; 3639 struct qla_msix_entry *qentry; 3640 int i; 3641 3642 /* 3643 * We need to check that ha->rsp_q_map is valid in case we are called 3644 * from a probe failure context. 3645 */ 3646 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 3647 goto free_irqs; 3648 rsp = ha->rsp_q_map[0]; 3649 3650 if (ha->flags.msix_enabled) { 3651 for (i = 0; i < ha->msix_count; i++) { 3652 qentry = &ha->msix_entries[i]; 3653 if (qentry->have_irq) { 3654 irq_set_affinity_notifier(qentry->vector, NULL); 3655 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 3656 } 3657 } 3658 kfree(ha->msix_entries); 3659 ha->msix_entries = NULL; 3660 ha->flags.msix_enabled = 0; 3661 ql_dbg(ql_dbg_init, vha, 0x0042, 3662 "Disabled MSI-X.\n"); 3663 } else { 3664 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 3665 } 3666 3667 free_irqs: 3668 pci_free_irq_vectors(ha->pdev); 3669 } 3670 3671 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 3672 struct qla_msix_entry *msix, int vector_type) 3673 { 3674 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 3675 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3676 int ret; 3677 3678 scnprintf(msix->name, sizeof(msix->name), 3679 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 3680 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 3681 if (ret) { 3682 ql_log(ql_log_fatal, vha, 0x00e6, 3683 "MSI-X: Unable to register handler -- %x/%d.\n", 3684 msix->vector, ret); 3685 return ret; 3686 } 3687 msix->have_irq = 1; 3688 msix->handle = qpair; 3689 return ret; 3690 } 3691