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