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