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 * @ha: 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 * @ha: SCSI driver HA context 617 * @mb: Mailbox registers (0 - 3) 618 */ 619 void 620 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 621 { 622 uint16_t handle_cnt; 623 uint16_t cnt, mbx; 624 uint32_t handles[5]; 625 struct qla_hw_data *ha = vha->hw; 626 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 627 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 628 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 629 uint32_t rscn_entry, host_pid; 630 unsigned long flags; 631 fc_port_t *fcport = NULL; 632 633 /* Setup to process RIO completion. */ 634 handle_cnt = 0; 635 if (IS_CNA_CAPABLE(ha)) 636 goto skip_rio; 637 switch (mb[0]) { 638 case MBA_SCSI_COMPLETION: 639 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 640 handle_cnt = 1; 641 break; 642 case MBA_CMPLT_1_16BIT: 643 handles[0] = mb[1]; 644 handle_cnt = 1; 645 mb[0] = MBA_SCSI_COMPLETION; 646 break; 647 case MBA_CMPLT_2_16BIT: 648 handles[0] = mb[1]; 649 handles[1] = mb[2]; 650 handle_cnt = 2; 651 mb[0] = MBA_SCSI_COMPLETION; 652 break; 653 case MBA_CMPLT_3_16BIT: 654 handles[0] = mb[1]; 655 handles[1] = mb[2]; 656 handles[2] = mb[3]; 657 handle_cnt = 3; 658 mb[0] = MBA_SCSI_COMPLETION; 659 break; 660 case MBA_CMPLT_4_16BIT: 661 handles[0] = mb[1]; 662 handles[1] = mb[2]; 663 handles[2] = mb[3]; 664 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 665 handle_cnt = 4; 666 mb[0] = MBA_SCSI_COMPLETION; 667 break; 668 case MBA_CMPLT_5_16BIT: 669 handles[0] = mb[1]; 670 handles[1] = mb[2]; 671 handles[2] = mb[3]; 672 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 673 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 674 handle_cnt = 5; 675 mb[0] = MBA_SCSI_COMPLETION; 676 break; 677 case MBA_CMPLT_2_32BIT: 678 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 679 handles[1] = le32_to_cpu( 680 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | 681 RD_MAILBOX_REG(ha, reg, 6)); 682 handle_cnt = 2; 683 mb[0] = MBA_SCSI_COMPLETION; 684 break; 685 default: 686 break; 687 } 688 skip_rio: 689 switch (mb[0]) { 690 case MBA_SCSI_COMPLETION: /* Fast Post */ 691 if (!vha->flags.online) 692 break; 693 694 for (cnt = 0; cnt < handle_cnt; cnt++) 695 qla2x00_process_completed_request(vha, rsp->req, 696 handles[cnt]); 697 break; 698 699 case MBA_RESET: /* Reset */ 700 ql_dbg(ql_dbg_async, vha, 0x5002, 701 "Asynchronous RESET.\n"); 702 703 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 704 break; 705 706 case MBA_SYSTEM_ERR: /* System Error */ 707 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ? 708 RD_REG_WORD(®24->mailbox7) : 0; 709 ql_log(ql_log_warn, vha, 0x5003, 710 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " 711 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); 712 713 ha->isp_ops->fw_dump(vha, 1); 714 ha->flags.fw_init_done = 0; 715 QLA_FW_STOPPED(ha); 716 717 if (IS_FWI2_CAPABLE(ha)) { 718 if (mb[1] == 0 && mb[2] == 0) { 719 ql_log(ql_log_fatal, vha, 0x5004, 720 "Unrecoverable Hardware Error: adapter " 721 "marked OFFLINE!\n"); 722 vha->flags.online = 0; 723 vha->device_flags |= DFLG_DEV_FAILED; 724 } else { 725 /* Check to see if MPI timeout occurred */ 726 if ((mbx & MBX_3) && (ha->port_no == 0)) 727 set_bit(MPI_RESET_NEEDED, 728 &vha->dpc_flags); 729 730 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 731 } 732 } else if (mb[1] == 0) { 733 ql_log(ql_log_fatal, vha, 0x5005, 734 "Unrecoverable Hardware Error: adapter marked " 735 "OFFLINE!\n"); 736 vha->flags.online = 0; 737 vha->device_flags |= DFLG_DEV_FAILED; 738 } else 739 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 740 break; 741 742 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 743 ql_log(ql_log_warn, vha, 0x5006, 744 "ISP Request Transfer Error (%x).\n", mb[1]); 745 746 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 747 break; 748 749 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 750 ql_log(ql_log_warn, vha, 0x5007, 751 "ISP Response Transfer Error (%x).\n", mb[1]); 752 753 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 754 break; 755 756 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 757 ql_dbg(ql_dbg_async, vha, 0x5008, 758 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); 759 break; 760 761 case MBA_LOOP_INIT_ERR: 762 ql_log(ql_log_warn, vha, 0x5090, 763 "LOOP INIT ERROR (%x).\n", mb[1]); 764 ha->isp_ops->fw_dump(vha, 1); 765 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 766 break; 767 768 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 769 ha->flags.lip_ae = 1; 770 ha->flags.n2n_ae = 0; 771 772 ql_dbg(ql_dbg_async, vha, 0x5009, 773 "LIP occurred (%x).\n", mb[1]); 774 775 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 776 atomic_set(&vha->loop_state, LOOP_DOWN); 777 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 778 qla2x00_mark_all_devices_lost(vha, 1); 779 } 780 781 if (vha->vp_idx) { 782 atomic_set(&vha->vp_state, VP_FAILED); 783 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 784 } 785 786 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 787 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 788 789 vha->flags.management_server_logged_in = 0; 790 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 791 break; 792 793 case MBA_LOOP_UP: /* Loop Up Event */ 794 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 795 ha->link_data_rate = PORT_SPEED_1GB; 796 else 797 ha->link_data_rate = mb[1]; 798 799 ql_log(ql_log_info, vha, 0x500a, 800 "LOOP UP detected (%s Gbps).\n", 801 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 802 803 vha->flags.management_server_logged_in = 0; 804 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 805 806 if (AUTO_DETECT_SFP_SUPPORT(vha)) { 807 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); 808 qla2xxx_wake_dpc(vha); 809 } 810 break; 811 812 case MBA_LOOP_DOWN: /* Loop Down Event */ 813 SAVE_TOPO(ha); 814 ha->flags.n2n_ae = 0; 815 ha->flags.lip_ae = 0; 816 ha->current_topology = 0; 817 818 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 819 ? RD_REG_WORD(®24->mailbox4) : 0; 820 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) 821 : mbx; 822 ql_log(ql_log_info, vha, 0x500b, 823 "LOOP DOWN detected (%x %x %x %x).\n", 824 mb[1], mb[2], mb[3], mbx); 825 826 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 827 atomic_set(&vha->loop_state, LOOP_DOWN); 828 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 829 /* 830 * In case of loop down, restore WWPN from 831 * NVRAM in case of FA-WWPN capable ISP 832 * Restore for Physical Port only 833 */ 834 if (!vha->vp_idx) { 835 if (ha->flags.fawwpn_enabled) { 836 void *wwpn = ha->init_cb->port_name; 837 memcpy(vha->port_name, wwpn, WWN_SIZE); 838 fc_host_port_name(vha->host) = 839 wwn_to_u64(vha->port_name); 840 ql_dbg(ql_dbg_init + ql_dbg_verbose, 841 vha, 0x00d8, "LOOP DOWN detected," 842 "restore WWPN %016llx\n", 843 wwn_to_u64(vha->port_name)); 844 } 845 846 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 847 } 848 849 vha->device_flags |= DFLG_NO_CABLE; 850 qla2x00_mark_all_devices_lost(vha, 1); 851 } 852 853 if (vha->vp_idx) { 854 atomic_set(&vha->vp_state, VP_FAILED); 855 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 856 } 857 858 vha->flags.management_server_logged_in = 0; 859 ha->link_data_rate = PORT_SPEED_UNKNOWN; 860 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 861 break; 862 863 case MBA_LIP_RESET: /* LIP reset occurred */ 864 ql_dbg(ql_dbg_async, vha, 0x500c, 865 "LIP reset occurred (%x).\n", mb[1]); 866 867 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 868 atomic_set(&vha->loop_state, LOOP_DOWN); 869 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 870 qla2x00_mark_all_devices_lost(vha, 1); 871 } 872 873 if (vha->vp_idx) { 874 atomic_set(&vha->vp_state, VP_FAILED); 875 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 876 } 877 878 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 879 880 ha->operating_mode = LOOP; 881 vha->flags.management_server_logged_in = 0; 882 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 883 break; 884 885 /* case MBA_DCBX_COMPLETE: */ 886 case MBA_POINT_TO_POINT: /* Point-to-Point */ 887 ha->flags.lip_ae = 0; 888 ha->flags.n2n_ae = 1; 889 890 if (IS_QLA2100(ha)) 891 break; 892 893 if (IS_CNA_CAPABLE(ha)) { 894 ql_dbg(ql_dbg_async, vha, 0x500d, 895 "DCBX Completed -- %04x %04x %04x.\n", 896 mb[1], mb[2], mb[3]); 897 if (ha->notify_dcbx_comp && !vha->vp_idx) 898 complete(&ha->dcbx_comp); 899 900 } else 901 ql_dbg(ql_dbg_async, vha, 0x500e, 902 "Asynchronous P2P MODE received.\n"); 903 904 /* 905 * Until there's a transition from loop down to loop up, treat 906 * this as loop down only. 907 */ 908 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 909 atomic_set(&vha->loop_state, LOOP_DOWN); 910 if (!atomic_read(&vha->loop_down_timer)) 911 atomic_set(&vha->loop_down_timer, 912 LOOP_DOWN_TIME); 913 qla2x00_mark_all_devices_lost(vha, 1); 914 } 915 916 if (vha->vp_idx) { 917 atomic_set(&vha->vp_state, VP_FAILED); 918 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 919 } 920 921 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 922 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 923 924 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 925 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 926 927 vha->flags.management_server_logged_in = 0; 928 break; 929 930 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 931 if (IS_QLA2100(ha)) 932 break; 933 934 ql_dbg(ql_dbg_async, vha, 0x500f, 935 "Configuration change detected: value=%x.\n", mb[1]); 936 937 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 938 atomic_set(&vha->loop_state, LOOP_DOWN); 939 if (!atomic_read(&vha->loop_down_timer)) 940 atomic_set(&vha->loop_down_timer, 941 LOOP_DOWN_TIME); 942 qla2x00_mark_all_devices_lost(vha, 1); 943 } 944 945 if (vha->vp_idx) { 946 atomic_set(&vha->vp_state, VP_FAILED); 947 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 948 } 949 950 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 951 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 952 break; 953 954 case MBA_PORT_UPDATE: /* Port database update */ 955 /* 956 * Handle only global and vn-port update events 957 * 958 * Relevant inputs: 959 * mb[1] = N_Port handle of changed port 960 * OR 0xffff for global event 961 * mb[2] = New login state 962 * 7 = Port logged out 963 * mb[3] = LSB is vp_idx, 0xff = all vps 964 * 965 * Skip processing if: 966 * Event is global, vp_idx is NOT all vps, 967 * vp_idx does not match 968 * Event is not global, vp_idx does not match 969 */ 970 if (IS_QLA2XXX_MIDTYPE(ha) && 971 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 972 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 973 break; 974 975 if (mb[2] == 0x7) { 976 ql_dbg(ql_dbg_async, vha, 0x5010, 977 "Port %s %04x %04x %04x.\n", 978 mb[1] == 0xffff ? "unavailable" : "logout", 979 mb[1], mb[2], mb[3]); 980 981 if (mb[1] == 0xffff) 982 goto global_port_update; 983 984 if (mb[1] == NPH_SNS_LID(ha)) { 985 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 986 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 987 break; 988 } 989 990 /* use handle_cnt for loop id/nport handle */ 991 if (IS_FWI2_CAPABLE(ha)) 992 handle_cnt = NPH_SNS; 993 else 994 handle_cnt = SIMPLE_NAME_SERVER; 995 if (mb[1] == handle_cnt) { 996 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 997 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 998 break; 999 } 1000 1001 /* Port logout */ 1002 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); 1003 if (!fcport) 1004 break; 1005 if (atomic_read(&fcport->state) != FCS_ONLINE) 1006 break; 1007 ql_dbg(ql_dbg_async, vha, 0x508a, 1008 "Marking port lost loopid=%04x portid=%06x.\n", 1009 fcport->loop_id, fcport->d_id.b24); 1010 if (qla_ini_mode_enabled(vha)) { 1011 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 1012 fcport->logout_on_delete = 0; 1013 qlt_schedule_sess_for_deletion(fcport); 1014 } 1015 break; 1016 1017 global_port_update: 1018 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1019 atomic_set(&vha->loop_state, LOOP_DOWN); 1020 atomic_set(&vha->loop_down_timer, 1021 LOOP_DOWN_TIME); 1022 vha->device_flags |= DFLG_NO_CABLE; 1023 qla2x00_mark_all_devices_lost(vha, 1); 1024 } 1025 1026 if (vha->vp_idx) { 1027 atomic_set(&vha->vp_state, VP_FAILED); 1028 fc_vport_set_state(vha->fc_vport, 1029 FC_VPORT_FAILED); 1030 qla2x00_mark_all_devices_lost(vha, 1); 1031 } 1032 1033 vha->flags.management_server_logged_in = 0; 1034 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1035 break; 1036 } 1037 1038 /* 1039 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 1040 * event etc. earlier indicating loop is down) then process 1041 * it. Otherwise ignore it and Wait for RSCN to come in. 1042 */ 1043 atomic_set(&vha->loop_down_timer, 0); 1044 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 1045 !ha->flags.n2n_ae && 1046 atomic_read(&vha->loop_state) != LOOP_DEAD) { 1047 ql_dbg(ql_dbg_async, vha, 0x5011, 1048 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 1049 mb[1], mb[2], mb[3]); 1050 1051 qlt_async_event(mb[0], vha, mb); 1052 break; 1053 } 1054 1055 ql_dbg(ql_dbg_async, vha, 0x5012, 1056 "Port database changed %04x %04x %04x.\n", 1057 mb[1], mb[2], mb[3]); 1058 1059 /* 1060 * Mark all devices as missing so we will login again. 1061 */ 1062 atomic_set(&vha->loop_state, LOOP_UP); 1063 vha->scan.scan_retry = 0; 1064 1065 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1066 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1067 set_bit(VP_CONFIG_OK, &vha->vp_flags); 1068 1069 qlt_async_event(mb[0], vha, mb); 1070 break; 1071 1072 case MBA_RSCN_UPDATE: /* State Change Registration */ 1073 /* Check if the Vport has issued a SCR */ 1074 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 1075 break; 1076 /* Only handle SCNs for our Vport index. */ 1077 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 1078 break; 1079 1080 ql_dbg(ql_dbg_async, vha, 0x5013, 1081 "RSCN database changed -- %04x %04x %04x.\n", 1082 mb[1], mb[2], mb[3]); 1083 1084 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 1085 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 1086 | vha->d_id.b.al_pa; 1087 if (rscn_entry == host_pid) { 1088 ql_dbg(ql_dbg_async, vha, 0x5014, 1089 "Ignoring RSCN update to local host " 1090 "port ID (%06x).\n", host_pid); 1091 break; 1092 } 1093 1094 /* Ignore reserved bits from RSCN-payload. */ 1095 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 1096 1097 /* Skip RSCNs for virtual ports on the same physical port */ 1098 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 1099 break; 1100 1101 atomic_set(&vha->loop_down_timer, 0); 1102 vha->flags.management_server_logged_in = 0; 1103 { 1104 struct event_arg ea; 1105 1106 memset(&ea, 0, sizeof(ea)); 1107 ea.event = FCME_RSCN; 1108 ea.id.b24 = rscn_entry; 1109 ea.id.b.rsvd_1 = rscn_entry >> 24; 1110 qla2x00_fcport_event_handler(vha, &ea); 1111 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1112 } 1113 break; 1114 /* case MBA_RIO_RESPONSE: */ 1115 case MBA_ZIO_RESPONSE: 1116 ql_dbg(ql_dbg_async, vha, 0x5015, 1117 "[R|Z]IO update completion.\n"); 1118 1119 if (IS_FWI2_CAPABLE(ha)) 1120 qla24xx_process_response_queue(vha, rsp); 1121 else 1122 qla2x00_process_response_queue(rsp); 1123 break; 1124 1125 case MBA_DISCARD_RND_FRAME: 1126 ql_dbg(ql_dbg_async, vha, 0x5016, 1127 "Discard RND Frame -- %04x %04x %04x.\n", 1128 mb[1], mb[2], mb[3]); 1129 break; 1130 1131 case MBA_TRACE_NOTIFICATION: 1132 ql_dbg(ql_dbg_async, vha, 0x5017, 1133 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1134 break; 1135 1136 case MBA_ISP84XX_ALERT: 1137 ql_dbg(ql_dbg_async, vha, 0x5018, 1138 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1139 mb[1], mb[2], mb[3]); 1140 1141 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1142 switch (mb[1]) { 1143 case A84_PANIC_RECOVERY: 1144 ql_log(ql_log_info, vha, 0x5019, 1145 "Alert 84XX: panic recovery %04x %04x.\n", 1146 mb[2], mb[3]); 1147 break; 1148 case A84_OP_LOGIN_COMPLETE: 1149 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1150 ql_log(ql_log_info, vha, 0x501a, 1151 "Alert 84XX: firmware version %x.\n", 1152 ha->cs84xx->op_fw_version); 1153 break; 1154 case A84_DIAG_LOGIN_COMPLETE: 1155 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1156 ql_log(ql_log_info, vha, 0x501b, 1157 "Alert 84XX: diagnostic firmware version %x.\n", 1158 ha->cs84xx->diag_fw_version); 1159 break; 1160 case A84_GOLD_LOGIN_COMPLETE: 1161 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1162 ha->cs84xx->fw_update = 1; 1163 ql_log(ql_log_info, vha, 0x501c, 1164 "Alert 84XX: gold firmware version %x.\n", 1165 ha->cs84xx->gold_fw_version); 1166 break; 1167 default: 1168 ql_log(ql_log_warn, vha, 0x501d, 1169 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1170 mb[1], mb[2], mb[3]); 1171 } 1172 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1173 break; 1174 case MBA_DCBX_START: 1175 ql_dbg(ql_dbg_async, vha, 0x501e, 1176 "DCBX Started -- %04x %04x %04x.\n", 1177 mb[1], mb[2], mb[3]); 1178 break; 1179 case MBA_DCBX_PARAM_UPDATE: 1180 ql_dbg(ql_dbg_async, vha, 0x501f, 1181 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1182 mb[1], mb[2], mb[3]); 1183 break; 1184 case MBA_FCF_CONF_ERR: 1185 ql_dbg(ql_dbg_async, vha, 0x5020, 1186 "FCF Configuration Error -- %04x %04x %04x.\n", 1187 mb[1], mb[2], mb[3]); 1188 break; 1189 case MBA_IDC_NOTIFY: 1190 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1191 mb[4] = RD_REG_WORD(®24->mailbox4); 1192 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1193 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1194 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1195 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1196 /* 1197 * Extend loop down timer since port is active. 1198 */ 1199 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1200 atomic_set(&vha->loop_down_timer, 1201 LOOP_DOWN_TIME); 1202 qla2xxx_wake_dpc(vha); 1203 } 1204 } 1205 /* fall through */ 1206 case MBA_IDC_COMPLETE: 1207 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1208 complete(&ha->lb_portup_comp); 1209 /* Fallthru */ 1210 case MBA_IDC_TIME_EXT: 1211 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1212 IS_QLA8044(ha)) 1213 qla81xx_idc_event(vha, mb[0], mb[1]); 1214 break; 1215 1216 case MBA_IDC_AEN: 1217 mb[4] = RD_REG_WORD(®24->mailbox4); 1218 mb[5] = RD_REG_WORD(®24->mailbox5); 1219 mb[6] = RD_REG_WORD(®24->mailbox6); 1220 mb[7] = RD_REG_WORD(®24->mailbox7); 1221 qla83xx_handle_8200_aen(vha, mb); 1222 break; 1223 1224 case MBA_DPORT_DIAGNOSTICS: 1225 ql_dbg(ql_dbg_async, vha, 0x5052, 1226 "D-Port Diagnostics: %04x result=%s\n", 1227 mb[0], 1228 mb[1] == 0 ? "start" : 1229 mb[1] == 1 ? "done (pass)" : 1230 mb[1] == 2 ? "done (error)" : "other"); 1231 break; 1232 1233 case MBA_TEMPERATURE_ALERT: 1234 ql_dbg(ql_dbg_async, vha, 0x505e, 1235 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); 1236 if (mb[1] == 0x12) 1237 schedule_work(&ha->board_disable); 1238 break; 1239 1240 case MBA_TRANS_INSERT: 1241 ql_dbg(ql_dbg_async, vha, 0x5091, 1242 "Transceiver Insertion: %04x\n", mb[1]); 1243 break; 1244 1245 default: 1246 ql_dbg(ql_dbg_async, vha, 0x5057, 1247 "Unknown AEN:%04x %04x %04x %04x\n", 1248 mb[0], mb[1], mb[2], mb[3]); 1249 } 1250 1251 qlt_async_event(mb[0], vha, mb); 1252 1253 if (!vha->vp_idx && ha->num_vhosts) 1254 qla2x00_alert_all_vps(rsp, mb); 1255 } 1256 1257 /** 1258 * qla2x00_process_completed_request() - Process a Fast Post response. 1259 * @ha: SCSI driver HA context 1260 * @index: SRB index 1261 */ 1262 void 1263 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1264 struct req_que *req, uint32_t index) 1265 { 1266 srb_t *sp; 1267 struct qla_hw_data *ha = vha->hw; 1268 1269 /* Validate handle. */ 1270 if (index >= req->num_outstanding_cmds) { 1271 ql_log(ql_log_warn, vha, 0x3014, 1272 "Invalid SCSI command index (%x).\n", index); 1273 1274 if (IS_P3P_TYPE(ha)) 1275 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1276 else 1277 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1278 return; 1279 } 1280 1281 sp = req->outstanding_cmds[index]; 1282 if (sp) { 1283 /* Free outstanding command slot. */ 1284 req->outstanding_cmds[index] = NULL; 1285 1286 /* Save ISP completion status */ 1287 sp->done(sp, DID_OK << 16); 1288 } else { 1289 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1290 1291 if (IS_P3P_TYPE(ha)) 1292 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1293 else 1294 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1295 } 1296 } 1297 1298 srb_t * 1299 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1300 struct req_que *req, void *iocb) 1301 { 1302 struct qla_hw_data *ha = vha->hw; 1303 sts_entry_t *pkt = iocb; 1304 srb_t *sp = NULL; 1305 uint16_t index; 1306 1307 index = LSW(pkt->handle); 1308 if (index >= req->num_outstanding_cmds) { 1309 ql_log(ql_log_warn, vha, 0x5031, 1310 "Invalid command index (%x) type %8ph.\n", 1311 index, iocb); 1312 if (IS_P3P_TYPE(ha)) 1313 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1314 else 1315 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1316 goto done; 1317 } 1318 sp = req->outstanding_cmds[index]; 1319 if (!sp) { 1320 ql_log(ql_log_warn, vha, 0x5032, 1321 "Invalid completion handle (%x) -- timed-out.\n", index); 1322 return sp; 1323 } 1324 if (sp->handle != index) { 1325 ql_log(ql_log_warn, vha, 0x5033, 1326 "SRB handle (%x) mismatch %x.\n", sp->handle, index); 1327 return NULL; 1328 } 1329 1330 req->outstanding_cmds[index] = NULL; 1331 1332 done: 1333 return sp; 1334 } 1335 1336 static void 1337 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1338 struct mbx_entry *mbx) 1339 { 1340 const char func[] = "MBX-IOCB"; 1341 const char *type; 1342 fc_port_t *fcport; 1343 srb_t *sp; 1344 struct srb_iocb *lio; 1345 uint16_t *data; 1346 uint16_t status; 1347 1348 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1349 if (!sp) 1350 return; 1351 1352 lio = &sp->u.iocb_cmd; 1353 type = sp->name; 1354 fcport = sp->fcport; 1355 data = lio->u.logio.data; 1356 1357 data[0] = MBS_COMMAND_ERROR; 1358 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1359 QLA_LOGIO_LOGIN_RETRIED : 0; 1360 if (mbx->entry_status) { 1361 ql_dbg(ql_dbg_async, vha, 0x5043, 1362 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1363 "entry-status=%x status=%x state-flag=%x " 1364 "status-flags=%x.\n", type, sp->handle, 1365 fcport->d_id.b.domain, fcport->d_id.b.area, 1366 fcport->d_id.b.al_pa, mbx->entry_status, 1367 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1368 le16_to_cpu(mbx->status_flags)); 1369 1370 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1371 (uint8_t *)mbx, sizeof(*mbx)); 1372 1373 goto logio_done; 1374 } 1375 1376 status = le16_to_cpu(mbx->status); 1377 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1378 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1379 status = 0; 1380 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1381 ql_dbg(ql_dbg_async, vha, 0x5045, 1382 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1383 type, sp->handle, fcport->d_id.b.domain, 1384 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1385 le16_to_cpu(mbx->mb1)); 1386 1387 data[0] = MBS_COMMAND_COMPLETE; 1388 if (sp->type == SRB_LOGIN_CMD) { 1389 fcport->port_type = FCT_TARGET; 1390 if (le16_to_cpu(mbx->mb1) & BIT_0) 1391 fcport->port_type = FCT_INITIATOR; 1392 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1393 fcport->flags |= FCF_FCP2_DEVICE; 1394 } 1395 goto logio_done; 1396 } 1397 1398 data[0] = le16_to_cpu(mbx->mb0); 1399 switch (data[0]) { 1400 case MBS_PORT_ID_USED: 1401 data[1] = le16_to_cpu(mbx->mb1); 1402 break; 1403 case MBS_LOOP_ID_USED: 1404 break; 1405 default: 1406 data[0] = MBS_COMMAND_ERROR; 1407 break; 1408 } 1409 1410 ql_log(ql_log_warn, vha, 0x5046, 1411 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1412 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1413 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1414 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1415 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1416 le16_to_cpu(mbx->mb7)); 1417 1418 logio_done: 1419 sp->done(sp, 0); 1420 } 1421 1422 static void 1423 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1424 struct mbx_24xx_entry *pkt) 1425 { 1426 const char func[] = "MBX-IOCB2"; 1427 srb_t *sp; 1428 struct srb_iocb *si; 1429 u16 sz, i; 1430 int res; 1431 1432 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1433 if (!sp) 1434 return; 1435 1436 si = &sp->u.iocb_cmd; 1437 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); 1438 1439 for (i = 0; i < sz; i++) 1440 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]); 1441 1442 res = (si->u.mbx.in_mb[0] & MBS_MASK); 1443 1444 sp->done(sp, res); 1445 } 1446 1447 static void 1448 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1449 struct nack_to_isp *pkt) 1450 { 1451 const char func[] = "nack"; 1452 srb_t *sp; 1453 int res = 0; 1454 1455 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1456 if (!sp) 1457 return; 1458 1459 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) 1460 res = QLA_FUNCTION_FAILED; 1461 1462 sp->done(sp, res); 1463 } 1464 1465 static void 1466 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1467 sts_entry_t *pkt, int iocb_type) 1468 { 1469 const char func[] = "CT_IOCB"; 1470 const char *type; 1471 srb_t *sp; 1472 struct bsg_job *bsg_job; 1473 struct fc_bsg_reply *bsg_reply; 1474 uint16_t comp_status; 1475 int res = 0; 1476 1477 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1478 if (!sp) 1479 return; 1480 1481 switch (sp->type) { 1482 case SRB_CT_CMD: 1483 bsg_job = sp->u.bsg_job; 1484 bsg_reply = bsg_job->reply; 1485 1486 type = "ct pass-through"; 1487 1488 comp_status = le16_to_cpu(pkt->comp_status); 1489 1490 /* 1491 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1492 * fc payload to the caller 1493 */ 1494 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1495 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1496 1497 if (comp_status != CS_COMPLETE) { 1498 if (comp_status == CS_DATA_UNDERRUN) { 1499 res = DID_OK << 16; 1500 bsg_reply->reply_payload_rcv_len = 1501 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); 1502 1503 ql_log(ql_log_warn, vha, 0x5048, 1504 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", 1505 type, comp_status, 1506 bsg_reply->reply_payload_rcv_len); 1507 } else { 1508 ql_log(ql_log_warn, vha, 0x5049, 1509 "CT pass-through-%s error comp_status=0x%x.\n", 1510 type, comp_status); 1511 res = DID_ERROR << 16; 1512 bsg_reply->reply_payload_rcv_len = 0; 1513 } 1514 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 1515 (uint8_t *)pkt, sizeof(*pkt)); 1516 } else { 1517 res = DID_OK << 16; 1518 bsg_reply->reply_payload_rcv_len = 1519 bsg_job->reply_payload.payload_len; 1520 bsg_job->reply_len = 0; 1521 } 1522 break; 1523 case SRB_CT_PTHRU_CMD: 1524 /* 1525 * borrowing sts_entry_24xx.comp_status. 1526 * same location as ct_entry_24xx.comp_status 1527 */ 1528 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 1529 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1530 sp->name); 1531 break; 1532 } 1533 1534 sp->done(sp, res); 1535 } 1536 1537 static void 1538 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1539 struct sts_entry_24xx *pkt, int iocb_type) 1540 { 1541 const char func[] = "ELS_CT_IOCB"; 1542 const char *type; 1543 srb_t *sp; 1544 struct bsg_job *bsg_job; 1545 struct fc_bsg_reply *bsg_reply; 1546 uint16_t comp_status; 1547 uint32_t fw_status[3]; 1548 int res; 1549 struct srb_iocb *els; 1550 1551 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1552 if (!sp) 1553 return; 1554 1555 type = NULL; 1556 switch (sp->type) { 1557 case SRB_ELS_CMD_RPT: 1558 case SRB_ELS_CMD_HST: 1559 type = "els"; 1560 break; 1561 case SRB_CT_CMD: 1562 type = "ct pass-through"; 1563 break; 1564 case SRB_ELS_DCMD: 1565 type = "Driver ELS logo"; 1566 if (iocb_type != ELS_IOCB_TYPE) { 1567 ql_dbg(ql_dbg_user, vha, 0x5047, 1568 "Completing %s: (%p) type=%d.\n", 1569 type, sp, sp->type); 1570 sp->done(sp, 0); 1571 return; 1572 } 1573 break; 1574 case SRB_CT_PTHRU_CMD: 1575 /* borrowing sts_entry_24xx.comp_status. 1576 same location as ct_entry_24xx.comp_status 1577 */ 1578 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt, 1579 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1580 sp->name); 1581 sp->done(sp, res); 1582 return; 1583 default: 1584 ql_dbg(ql_dbg_user, vha, 0x503e, 1585 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 1586 return; 1587 } 1588 1589 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 1590 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); 1591 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); 1592 1593 if (iocb_type == ELS_IOCB_TYPE) { 1594 els = &sp->u.iocb_cmd; 1595 els->u.els_plogi.fw_status[0] = fw_status[0]; 1596 els->u.els_plogi.fw_status[1] = fw_status[1]; 1597 els->u.els_plogi.fw_status[2] = fw_status[2]; 1598 els->u.els_plogi.comp_status = fw_status[0]; 1599 if (comp_status == CS_COMPLETE) { 1600 res = DID_OK << 16; 1601 } else { 1602 if (comp_status == CS_DATA_UNDERRUN) { 1603 res = DID_OK << 16; 1604 els->u.els_plogi.len = 1605 le16_to_cpu(((struct els_sts_entry_24xx *) 1606 pkt)->total_byte_count); 1607 } else { 1608 els->u.els_plogi.len = 0; 1609 res = DID_ERROR << 16; 1610 } 1611 } 1612 ql_log(ql_log_info, vha, 0x503f, 1613 "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", 1614 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1615 le16_to_cpu(((struct els_sts_entry_24xx *) 1616 pkt)->total_byte_count)); 1617 goto els_ct_done; 1618 } 1619 1620 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1621 * fc payload to the caller 1622 */ 1623 bsg_job = sp->u.bsg_job; 1624 bsg_reply = bsg_job->reply; 1625 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1626 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 1627 1628 if (comp_status != CS_COMPLETE) { 1629 if (comp_status == CS_DATA_UNDERRUN) { 1630 res = DID_OK << 16; 1631 bsg_reply->reply_payload_rcv_len = 1632 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); 1633 1634 ql_dbg(ql_dbg_user, vha, 0x503f, 1635 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1636 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 1637 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1638 le16_to_cpu(((struct els_sts_entry_24xx *) 1639 pkt)->total_byte_count)); 1640 } else { 1641 ql_dbg(ql_dbg_user, vha, 0x5040, 1642 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1643 "error subcode 1=0x%x error subcode 2=0x%x.\n", 1644 type, sp->handle, comp_status, 1645 le16_to_cpu(((struct els_sts_entry_24xx *) 1646 pkt)->error_subcode_1), 1647 le16_to_cpu(((struct els_sts_entry_24xx *) 1648 pkt)->error_subcode_2)); 1649 res = DID_ERROR << 16; 1650 bsg_reply->reply_payload_rcv_len = 0; 1651 } 1652 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), 1653 fw_status, sizeof(fw_status)); 1654 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 1655 (uint8_t *)pkt, sizeof(*pkt)); 1656 } 1657 else { 1658 res = DID_OK << 16; 1659 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 1660 bsg_job->reply_len = 0; 1661 } 1662 els_ct_done: 1663 1664 sp->done(sp, res); 1665 } 1666 1667 static void 1668 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 1669 struct logio_entry_24xx *logio) 1670 { 1671 const char func[] = "LOGIO-IOCB"; 1672 const char *type; 1673 fc_port_t *fcport; 1674 srb_t *sp; 1675 struct srb_iocb *lio; 1676 uint16_t *data; 1677 uint32_t iop[2]; 1678 1679 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 1680 if (!sp) 1681 return; 1682 1683 lio = &sp->u.iocb_cmd; 1684 type = sp->name; 1685 fcport = sp->fcport; 1686 data = lio->u.logio.data; 1687 1688 data[0] = MBS_COMMAND_ERROR; 1689 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1690 QLA_LOGIO_LOGIN_RETRIED : 0; 1691 if (logio->entry_status) { 1692 ql_log(ql_log_warn, fcport->vha, 0x5034, 1693 "Async-%s error entry - %8phC hdl=%x" 1694 "portid=%02x%02x%02x entry-status=%x.\n", 1695 type, fcport->port_name, sp->handle, fcport->d_id.b.domain, 1696 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1697 logio->entry_status); 1698 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 1699 (uint8_t *)logio, sizeof(*logio)); 1700 1701 goto logio_done; 1702 } 1703 1704 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 1705 ql_dbg(ql_dbg_async, fcport->vha, 0x5036, 1706 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x " 1707 "iop0=%x.\n", type, fcport->port_name, sp->handle, 1708 fcport->d_id.b.domain, 1709 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1710 le32_to_cpu(logio->io_parameter[0])); 1711 1712 vha->hw->exch_starvation = 0; 1713 data[0] = MBS_COMMAND_COMPLETE; 1714 if (sp->type != SRB_LOGIN_CMD) 1715 goto logio_done; 1716 1717 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1718 if (iop[0] & BIT_4) { 1719 fcport->port_type = FCT_TARGET; 1720 if (iop[0] & BIT_8) 1721 fcport->flags |= FCF_FCP2_DEVICE; 1722 } else if (iop[0] & BIT_5) 1723 fcport->port_type = FCT_INITIATOR; 1724 1725 if (iop[0] & BIT_7) 1726 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 1727 1728 if (logio->io_parameter[7] || logio->io_parameter[8]) 1729 fcport->supported_classes |= FC_COS_CLASS2; 1730 if (logio->io_parameter[9] || logio->io_parameter[10]) 1731 fcport->supported_classes |= FC_COS_CLASS3; 1732 1733 goto logio_done; 1734 } 1735 1736 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1737 iop[1] = le32_to_cpu(logio->io_parameter[1]); 1738 lio->u.logio.iop[0] = iop[0]; 1739 lio->u.logio.iop[1] = iop[1]; 1740 switch (iop[0]) { 1741 case LSC_SCODE_PORTID_USED: 1742 data[0] = MBS_PORT_ID_USED; 1743 data[1] = LSW(iop[1]); 1744 break; 1745 case LSC_SCODE_NPORT_USED: 1746 data[0] = MBS_LOOP_ID_USED; 1747 break; 1748 case LSC_SCODE_CMD_FAILED: 1749 if (iop[1] == 0x0606) { 1750 /* 1751 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, 1752 * Target side acked. 1753 */ 1754 data[0] = MBS_COMMAND_COMPLETE; 1755 goto logio_done; 1756 } 1757 data[0] = MBS_COMMAND_ERROR; 1758 break; 1759 case LSC_SCODE_NOXCB: 1760 vha->hw->exch_starvation++; 1761 if (vha->hw->exch_starvation > 5) { 1762 ql_log(ql_log_warn, vha, 0xd046, 1763 "Exchange starvation. Resetting RISC\n"); 1764 1765 vha->hw->exch_starvation = 0; 1766 1767 if (IS_P3P_TYPE(vha->hw)) 1768 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1769 else 1770 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1771 qla2xxx_wake_dpc(vha); 1772 } 1773 /* fall through */ 1774 default: 1775 data[0] = MBS_COMMAND_ERROR; 1776 break; 1777 } 1778 1779 ql_dbg(ql_dbg_async, fcport->vha, 0x5037, 1780 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x " 1781 "iop0=%x iop1=%x.\n", type, fcport->port_name, 1782 sp->handle, fcport->d_id.b.domain, 1783 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1784 le16_to_cpu(logio->comp_status), 1785 le32_to_cpu(logio->io_parameter[0]), 1786 le32_to_cpu(logio->io_parameter[1])); 1787 1788 logio_done: 1789 sp->done(sp, 0); 1790 } 1791 1792 static void 1793 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 1794 { 1795 const char func[] = "TMF-IOCB"; 1796 const char *type; 1797 fc_port_t *fcport; 1798 srb_t *sp; 1799 struct srb_iocb *iocb; 1800 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1801 1802 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1803 if (!sp) 1804 return; 1805 1806 iocb = &sp->u.iocb_cmd; 1807 type = sp->name; 1808 fcport = sp->fcport; 1809 iocb->u.tmf.data = QLA_SUCCESS; 1810 1811 if (sts->entry_status) { 1812 ql_log(ql_log_warn, fcport->vha, 0x5038, 1813 "Async-%s error - hdl=%x entry-status(%x).\n", 1814 type, sp->handle, sts->entry_status); 1815 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1816 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 1817 ql_log(ql_log_warn, fcport->vha, 0x5039, 1818 "Async-%s error - hdl=%x completion status(%x).\n", 1819 type, sp->handle, sts->comp_status); 1820 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1821 } else if ((le16_to_cpu(sts->scsi_status) & 1822 SS_RESPONSE_INFO_LEN_VALID)) { 1823 if (le32_to_cpu(sts->rsp_data_len) < 4) { 1824 ql_log(ql_log_warn, fcport->vha, 0x503b, 1825 "Async-%s error - hdl=%x not enough response(%d).\n", 1826 type, sp->handle, sts->rsp_data_len); 1827 } else if (sts->data[3]) { 1828 ql_log(ql_log_warn, fcport->vha, 0x503c, 1829 "Async-%s error - hdl=%x response(%x).\n", 1830 type, sp->handle, sts->data[3]); 1831 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1832 } 1833 } 1834 1835 if (iocb->u.tmf.data != QLA_SUCCESS) 1836 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, 1837 (uint8_t *)sts, sizeof(*sts)); 1838 1839 sp->done(sp, 0); 1840 } 1841 1842 static void 1843 qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 1844 { 1845 const char func[] = "NVME-IOCB"; 1846 fc_port_t *fcport; 1847 srb_t *sp; 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 struct srb_iocb *nvme; 1854 1855 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1856 if (!sp) 1857 return; 1858 1859 iocb = &sp->u.iocb_cmd; 1860 fcport = sp->fcport; 1861 iocb->u.nvme.comp_status = le16_to_cpu(sts->comp_status); 1862 state_flags = le16_to_cpu(sts->state_flags); 1863 fd = iocb->u.nvme.desc; 1864 nvme = &sp->u.iocb_cmd; 1865 1866 if (unlikely(nvme->u.nvme.aen_op)) 1867 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); 1868 1869 /* 1870 * State flags: Bit 6 and 0. 1871 * If 0 is set, we don't care about 6. 1872 * both cases resp was dma'd to host buffer 1873 * if both are 0, that is good path case. 1874 * if six is set and 0 is clear, we need to 1875 * copy resp data from status iocb to resp buffer. 1876 */ 1877 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { 1878 iocb->u.nvme.rsp_pyld_len = 0; 1879 } else if ((state_flags & SF_FCP_RSP_DMA)) { 1880 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1881 } else if (state_flags & SF_NVME_ERSP) { 1882 uint32_t *inbuf, *outbuf; 1883 uint16_t iter; 1884 1885 inbuf = (uint32_t *)&sts->nvme_ersp_data; 1886 outbuf = (uint32_t *)fd->rspaddr; 1887 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1888 iter = iocb->u.nvme.rsp_pyld_len >> 2; 1889 for (; iter; iter--) 1890 *outbuf++ = swab32(*inbuf++); 1891 } else { /* unhandled case */ 1892 ql_log(ql_log_warn, fcport->vha, 0x503a, 1893 "NVME-%s error. Unhandled state_flags of %x\n", 1894 sp->name, state_flags); 1895 } 1896 1897 fd->transferred_length = fd->payload_length - 1898 le32_to_cpu(sts->residual_len); 1899 1900 /* 1901 * If transport error then Failure (HBA rejects request) 1902 * otherwise transport will handle. 1903 */ 1904 if (sts->entry_status) { 1905 ql_log(ql_log_warn, fcport->vha, 0x5038, 1906 "NVME-%s error - hdl=%x entry-status(%x).\n", 1907 sp->name, sp->handle, sts->entry_status); 1908 ret = QLA_FUNCTION_FAILED; 1909 } else { 1910 switch (le16_to_cpu(sts->comp_status)) { 1911 case CS_COMPLETE: 1912 ret = 0; 1913 break; 1914 1915 case CS_ABORTED: 1916 case CS_RESET: 1917 case CS_PORT_UNAVAILABLE: 1918 case CS_PORT_LOGGED_OUT: 1919 case CS_PORT_BUSY: 1920 ql_log(ql_log_warn, fcport->vha, 0x5060, 1921 "NVME-%s ERR Handling - hdl=%x completion status(%x) resid=%x ox_id=%x\n", 1922 sp->name, sp->handle, sts->comp_status, 1923 le32_to_cpu(sts->residual_len), sts->ox_id); 1924 fd->transferred_length = fd->payload_length; 1925 ret = QLA_ABORTED; 1926 break; 1927 1928 default: 1929 ql_log(ql_log_warn, fcport->vha, 0x5060, 1930 "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n", 1931 sp->name, sp->handle, sts->comp_status, 1932 le32_to_cpu(sts->residual_len), sts->ox_id); 1933 ret = QLA_FUNCTION_FAILED; 1934 break; 1935 } 1936 } 1937 sp->done(sp, ret); 1938 } 1939 1940 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, 1941 struct vp_ctrl_entry_24xx *vce) 1942 { 1943 const char func[] = "CTRLVP-IOCB"; 1944 srb_t *sp; 1945 int rval = QLA_SUCCESS; 1946 1947 sp = qla2x00_get_sp_from_handle(vha, func, req, vce); 1948 if (!sp) 1949 return; 1950 1951 if (vce->entry_status != 0) { 1952 ql_dbg(ql_dbg_vport, vha, 0x10c4, 1953 "%s: Failed to complete IOCB -- error status (%x)\n", 1954 sp->name, vce->entry_status); 1955 rval = QLA_FUNCTION_FAILED; 1956 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { 1957 ql_dbg(ql_dbg_vport, vha, 0x10c5, 1958 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", 1959 sp->name, le16_to_cpu(vce->comp_status), 1960 le16_to_cpu(vce->vp_idx_failed)); 1961 rval = QLA_FUNCTION_FAILED; 1962 } else { 1963 ql_dbg(ql_dbg_vport, vha, 0x10c6, 1964 "Done %s.\n", __func__); 1965 } 1966 1967 sp->rc = rval; 1968 sp->done(sp, rval); 1969 } 1970 1971 /** 1972 * qla2x00_process_response_queue() - Process response queue entries. 1973 * @ha: SCSI driver HA context 1974 */ 1975 void 1976 qla2x00_process_response_queue(struct rsp_que *rsp) 1977 { 1978 struct scsi_qla_host *vha; 1979 struct qla_hw_data *ha = rsp->hw; 1980 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1981 sts_entry_t *pkt; 1982 uint16_t handle_cnt; 1983 uint16_t cnt; 1984 1985 vha = pci_get_drvdata(ha->pdev); 1986 1987 if (!vha->flags.online) 1988 return; 1989 1990 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 1991 pkt = (sts_entry_t *)rsp->ring_ptr; 1992 1993 rsp->ring_index++; 1994 if (rsp->ring_index == rsp->length) { 1995 rsp->ring_index = 0; 1996 rsp->ring_ptr = rsp->ring; 1997 } else { 1998 rsp->ring_ptr++; 1999 } 2000 2001 if (pkt->entry_status != 0) { 2002 qla2x00_error_entry(vha, rsp, pkt); 2003 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2004 wmb(); 2005 continue; 2006 } 2007 2008 switch (pkt->entry_type) { 2009 case STATUS_TYPE: 2010 qla2x00_status_entry(vha, rsp, pkt); 2011 break; 2012 case STATUS_TYPE_21: 2013 handle_cnt = ((sts21_entry_t *)pkt)->handle_count; 2014 for (cnt = 0; cnt < handle_cnt; cnt++) { 2015 qla2x00_process_completed_request(vha, rsp->req, 2016 ((sts21_entry_t *)pkt)->handle[cnt]); 2017 } 2018 break; 2019 case STATUS_TYPE_22: 2020 handle_cnt = ((sts22_entry_t *)pkt)->handle_count; 2021 for (cnt = 0; cnt < handle_cnt; cnt++) { 2022 qla2x00_process_completed_request(vha, rsp->req, 2023 ((sts22_entry_t *)pkt)->handle[cnt]); 2024 } 2025 break; 2026 case STATUS_CONT_TYPE: 2027 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2028 break; 2029 case MBX_IOCB_TYPE: 2030 qla2x00_mbx_iocb_entry(vha, rsp->req, 2031 (struct mbx_entry *)pkt); 2032 break; 2033 case CT_IOCB_TYPE: 2034 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2035 break; 2036 default: 2037 /* Type Not Supported. */ 2038 ql_log(ql_log_warn, vha, 0x504a, 2039 "Received unknown response pkt type %x " 2040 "entry status=%x.\n", 2041 pkt->entry_type, pkt->entry_status); 2042 break; 2043 } 2044 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2045 wmb(); 2046 } 2047 2048 /* Adjust ring index */ 2049 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 2050 } 2051 2052 static inline void 2053 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2054 uint32_t sense_len, struct rsp_que *rsp, int res) 2055 { 2056 struct scsi_qla_host *vha = sp->vha; 2057 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2058 uint32_t track_sense_len; 2059 2060 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2061 sense_len = SCSI_SENSE_BUFFERSIZE; 2062 2063 SET_CMD_SENSE_LEN(sp, sense_len); 2064 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2065 track_sense_len = sense_len; 2066 2067 if (sense_len > par_sense_len) 2068 sense_len = par_sense_len; 2069 2070 memcpy(cp->sense_buffer, sense_data, sense_len); 2071 2072 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2073 track_sense_len -= sense_len; 2074 SET_CMD_SENSE_LEN(sp, track_sense_len); 2075 2076 if (track_sense_len != 0) { 2077 rsp->status_srb = sp; 2078 cp->result = res; 2079 } 2080 2081 if (sense_len) { 2082 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 2083 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 2084 sp->vha->host_no, cp->device->id, cp->device->lun, 2085 cp); 2086 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 2087 cp->sense_buffer, sense_len); 2088 } 2089 } 2090 2091 struct scsi_dif_tuple { 2092 __be16 guard; /* Checksum */ 2093 __be16 app_tag; /* APPL identifier */ 2094 __be32 ref_tag; /* Target LBA or indirect LBA */ 2095 }; 2096 2097 /* 2098 * Checks the guard or meta-data for the type of error 2099 * detected by the HBA. In case of errors, we set the 2100 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 2101 * to indicate to the kernel that the HBA detected error. 2102 */ 2103 static inline int 2104 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 2105 { 2106 struct scsi_qla_host *vha = sp->vha; 2107 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 2108 uint8_t *ap = &sts24->data[12]; 2109 uint8_t *ep = &sts24->data[20]; 2110 uint32_t e_ref_tag, a_ref_tag; 2111 uint16_t e_app_tag, a_app_tag; 2112 uint16_t e_guard, a_guard; 2113 2114 /* 2115 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 2116 * would make guard field appear at offset 2 2117 */ 2118 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); 2119 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); 2120 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); 2121 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); 2122 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); 2123 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); 2124 2125 ql_dbg(ql_dbg_io, vha, 0x3023, 2126 "iocb(s) %p Returned STATUS.\n", sts24); 2127 2128 ql_dbg(ql_dbg_io, vha, 0x3024, 2129 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 2130 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 2131 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 2132 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 2133 a_app_tag, e_app_tag, a_guard, e_guard); 2134 2135 /* 2136 * Ignore sector if: 2137 * For type 3: ref & app tag is all 'f's 2138 * For type 0,1,2: app tag is all 'f's 2139 */ 2140 if ((a_app_tag == T10_PI_APP_ESCAPE) && 2141 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 2142 (a_ref_tag == T10_PI_REF_ESCAPE))) { 2143 uint32_t blocks_done, resid; 2144 sector_t lba_s = scsi_get_lba(cmd); 2145 2146 /* 2TB boundary case covered automatically with this */ 2147 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 2148 2149 resid = scsi_bufflen(cmd) - (blocks_done * 2150 cmd->device->sector_size); 2151 2152 scsi_set_resid(cmd, resid); 2153 cmd->result = DID_OK << 16; 2154 2155 /* Update protection tag */ 2156 if (scsi_prot_sg_count(cmd)) { 2157 uint32_t i, j = 0, k = 0, num_ent; 2158 struct scatterlist *sg; 2159 struct t10_pi_tuple *spt; 2160 2161 /* Patch the corresponding protection tags */ 2162 scsi_for_each_prot_sg(cmd, sg, 2163 scsi_prot_sg_count(cmd), i) { 2164 num_ent = sg_dma_len(sg) / 8; 2165 if (k + num_ent < blocks_done) { 2166 k += num_ent; 2167 continue; 2168 } 2169 j = blocks_done - k - 1; 2170 k = blocks_done; 2171 break; 2172 } 2173 2174 if (k != blocks_done) { 2175 ql_log(ql_log_warn, vha, 0x302f, 2176 "unexpected tag values tag:lba=%x:%llx)\n", 2177 e_ref_tag, (unsigned long long)lba_s); 2178 return 1; 2179 } 2180 2181 spt = page_address(sg_page(sg)) + sg->offset; 2182 spt += j; 2183 2184 spt->app_tag = T10_PI_APP_ESCAPE; 2185 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 2186 spt->ref_tag = T10_PI_REF_ESCAPE; 2187 } 2188 2189 return 0; 2190 } 2191 2192 /* check guard */ 2193 if (e_guard != a_guard) { 2194 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2195 0x10, 0x1); 2196 set_driver_byte(cmd, DRIVER_SENSE); 2197 set_host_byte(cmd, DID_ABORT); 2198 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 2199 return 1; 2200 } 2201 2202 /* check ref tag */ 2203 if (e_ref_tag != a_ref_tag) { 2204 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2205 0x10, 0x3); 2206 set_driver_byte(cmd, DRIVER_SENSE); 2207 set_host_byte(cmd, DID_ABORT); 2208 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 2209 return 1; 2210 } 2211 2212 /* check appl tag */ 2213 if (e_app_tag != a_app_tag) { 2214 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2215 0x10, 0x2); 2216 set_driver_byte(cmd, DRIVER_SENSE); 2217 set_host_byte(cmd, DID_ABORT); 2218 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 2219 return 1; 2220 } 2221 2222 return 1; 2223 } 2224 2225 static void 2226 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 2227 struct req_que *req, uint32_t index) 2228 { 2229 struct qla_hw_data *ha = vha->hw; 2230 srb_t *sp; 2231 uint16_t comp_status; 2232 uint16_t scsi_status; 2233 uint16_t thread_id; 2234 uint32_t rval = EXT_STATUS_OK; 2235 struct bsg_job *bsg_job = NULL; 2236 struct fc_bsg_request *bsg_request; 2237 struct fc_bsg_reply *bsg_reply; 2238 sts_entry_t *sts; 2239 struct sts_entry_24xx *sts24; 2240 sts = (sts_entry_t *) pkt; 2241 sts24 = (struct sts_entry_24xx *) pkt; 2242 2243 /* Validate handle. */ 2244 if (index >= req->num_outstanding_cmds) { 2245 ql_log(ql_log_warn, vha, 0x70af, 2246 "Invalid SCSI completion handle 0x%x.\n", index); 2247 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2248 return; 2249 } 2250 2251 sp = req->outstanding_cmds[index]; 2252 if (!sp) { 2253 ql_log(ql_log_warn, vha, 0x70b0, 2254 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 2255 req->id, index); 2256 2257 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2258 return; 2259 } 2260 2261 /* Free outstanding command slot. */ 2262 req->outstanding_cmds[index] = NULL; 2263 bsg_job = sp->u.bsg_job; 2264 bsg_request = bsg_job->request; 2265 bsg_reply = bsg_job->reply; 2266 2267 if (IS_FWI2_CAPABLE(ha)) { 2268 comp_status = le16_to_cpu(sts24->comp_status); 2269 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2270 } else { 2271 comp_status = le16_to_cpu(sts->comp_status); 2272 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2273 } 2274 2275 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 2276 switch (comp_status) { 2277 case CS_COMPLETE: 2278 if (scsi_status == 0) { 2279 bsg_reply->reply_payload_rcv_len = 2280 bsg_job->reply_payload.payload_len; 2281 vha->qla_stats.input_bytes += 2282 bsg_reply->reply_payload_rcv_len; 2283 vha->qla_stats.input_requests++; 2284 rval = EXT_STATUS_OK; 2285 } 2286 goto done; 2287 2288 case CS_DATA_OVERRUN: 2289 ql_dbg(ql_dbg_user, vha, 0x70b1, 2290 "Command completed with data overrun thread_id=%d\n", 2291 thread_id); 2292 rval = EXT_STATUS_DATA_OVERRUN; 2293 break; 2294 2295 case CS_DATA_UNDERRUN: 2296 ql_dbg(ql_dbg_user, vha, 0x70b2, 2297 "Command completed with data underrun thread_id=%d\n", 2298 thread_id); 2299 rval = EXT_STATUS_DATA_UNDERRUN; 2300 break; 2301 case CS_BIDIR_RD_OVERRUN: 2302 ql_dbg(ql_dbg_user, vha, 0x70b3, 2303 "Command completed with read data overrun thread_id=%d\n", 2304 thread_id); 2305 rval = EXT_STATUS_DATA_OVERRUN; 2306 break; 2307 2308 case CS_BIDIR_RD_WR_OVERRUN: 2309 ql_dbg(ql_dbg_user, vha, 0x70b4, 2310 "Command completed with read and write data overrun " 2311 "thread_id=%d\n", thread_id); 2312 rval = EXT_STATUS_DATA_OVERRUN; 2313 break; 2314 2315 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 2316 ql_dbg(ql_dbg_user, vha, 0x70b5, 2317 "Command completed with read data over and write data " 2318 "underrun thread_id=%d\n", thread_id); 2319 rval = EXT_STATUS_DATA_OVERRUN; 2320 break; 2321 2322 case CS_BIDIR_RD_UNDERRUN: 2323 ql_dbg(ql_dbg_user, vha, 0x70b6, 2324 "Command completed with read data underrun " 2325 "thread_id=%d\n", thread_id); 2326 rval = EXT_STATUS_DATA_UNDERRUN; 2327 break; 2328 2329 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 2330 ql_dbg(ql_dbg_user, vha, 0x70b7, 2331 "Command completed with read data under and write data " 2332 "overrun thread_id=%d\n", thread_id); 2333 rval = EXT_STATUS_DATA_UNDERRUN; 2334 break; 2335 2336 case CS_BIDIR_RD_WR_UNDERRUN: 2337 ql_dbg(ql_dbg_user, vha, 0x70b8, 2338 "Command completed with read and write data underrun " 2339 "thread_id=%d\n", thread_id); 2340 rval = EXT_STATUS_DATA_UNDERRUN; 2341 break; 2342 2343 case CS_BIDIR_DMA: 2344 ql_dbg(ql_dbg_user, vha, 0x70b9, 2345 "Command completed with data DMA error thread_id=%d\n", 2346 thread_id); 2347 rval = EXT_STATUS_DMA_ERR; 2348 break; 2349 2350 case CS_TIMEOUT: 2351 ql_dbg(ql_dbg_user, vha, 0x70ba, 2352 "Command completed with timeout thread_id=%d\n", 2353 thread_id); 2354 rval = EXT_STATUS_TIMEOUT; 2355 break; 2356 default: 2357 ql_dbg(ql_dbg_user, vha, 0x70bb, 2358 "Command completed with completion status=0x%x " 2359 "thread_id=%d\n", comp_status, thread_id); 2360 rval = EXT_STATUS_ERR; 2361 break; 2362 } 2363 bsg_reply->reply_payload_rcv_len = 0; 2364 2365 done: 2366 /* Return the vendor specific reply to API */ 2367 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 2368 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2369 /* Always return DID_OK, bsg will send the vendor specific response 2370 * in this case only */ 2371 sp->done(sp, DID_OK << 6); 2372 2373 } 2374 2375 /** 2376 * qla2x00_status_entry() - Process a Status IOCB entry. 2377 * @ha: SCSI driver HA context 2378 * @pkt: Entry pointer 2379 */ 2380 static void 2381 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2382 { 2383 srb_t *sp; 2384 fc_port_t *fcport; 2385 struct scsi_cmnd *cp; 2386 sts_entry_t *sts; 2387 struct sts_entry_24xx *sts24; 2388 uint16_t comp_status; 2389 uint16_t scsi_status; 2390 uint16_t ox_id; 2391 uint8_t lscsi_status; 2392 int32_t resid; 2393 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2394 fw_resid_len; 2395 uint8_t *rsp_info, *sense_data; 2396 struct qla_hw_data *ha = vha->hw; 2397 uint32_t handle; 2398 uint16_t que; 2399 struct req_que *req; 2400 int logit = 1; 2401 int res = 0; 2402 uint16_t state_flags = 0; 2403 uint16_t retry_delay = 0; 2404 2405 sts = (sts_entry_t *) pkt; 2406 sts24 = (struct sts_entry_24xx *) pkt; 2407 if (IS_FWI2_CAPABLE(ha)) { 2408 comp_status = le16_to_cpu(sts24->comp_status); 2409 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2410 state_flags = le16_to_cpu(sts24->state_flags); 2411 } else { 2412 comp_status = le16_to_cpu(sts->comp_status); 2413 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2414 } 2415 handle = (uint32_t) LSW(sts->handle); 2416 que = MSW(sts->handle); 2417 req = ha->req_q_map[que]; 2418 2419 /* Check for invalid queue pointer */ 2420 if (req == NULL || 2421 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 2422 ql_dbg(ql_dbg_io, vha, 0x3059, 2423 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 2424 "que=%u.\n", sts->handle, req, que); 2425 return; 2426 } 2427 2428 /* Validate handle. */ 2429 if (handle < req->num_outstanding_cmds) { 2430 sp = req->outstanding_cmds[handle]; 2431 if (!sp) { 2432 ql_dbg(ql_dbg_io, vha, 0x3075, 2433 "%s(%ld): Already returned command for status handle (0x%x).\n", 2434 __func__, vha->host_no, sts->handle); 2435 return; 2436 } 2437 } else { 2438 ql_dbg(ql_dbg_io, vha, 0x3017, 2439 "Invalid status handle, out of range (0x%x).\n", 2440 sts->handle); 2441 2442 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 2443 if (IS_P3P_TYPE(ha)) 2444 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2445 else 2446 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2447 qla2xxx_wake_dpc(vha); 2448 } 2449 return; 2450 } 2451 2452 if (sp->cmd_type != TYPE_SRB) { 2453 req->outstanding_cmds[handle] = NULL; 2454 ql_dbg(ql_dbg_io, vha, 0x3015, 2455 "Unknown sp->cmd_type %x %p).\n", 2456 sp->cmd_type, sp); 2457 return; 2458 } 2459 2460 /* NVME completion. */ 2461 if (sp->type == SRB_NVME_CMD) { 2462 qla24xx_nvme_iocb_entry(vha, req, pkt); 2463 return; 2464 } 2465 2466 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 2467 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 2468 return; 2469 } 2470 2471 /* Task Management completion. */ 2472 if (sp->type == SRB_TM_CMD) { 2473 qla24xx_tm_iocb_entry(vha, req, pkt); 2474 return; 2475 } 2476 2477 /* Fast path completion. */ 2478 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2479 qla2x00_process_completed_request(vha, req, handle); 2480 2481 return; 2482 } 2483 2484 req->outstanding_cmds[handle] = NULL; 2485 cp = GET_CMD_SP(sp); 2486 if (cp == NULL) { 2487 ql_dbg(ql_dbg_io, vha, 0x3018, 2488 "Command already returned (0x%x/%p).\n", 2489 sts->handle, sp); 2490 2491 return; 2492 } 2493 2494 lscsi_status = scsi_status & STATUS_MASK; 2495 2496 fcport = sp->fcport; 2497 2498 ox_id = 0; 2499 sense_len = par_sense_len = rsp_info_len = resid_len = 2500 fw_resid_len = 0; 2501 if (IS_FWI2_CAPABLE(ha)) { 2502 if (scsi_status & SS_SENSE_LEN_VALID) 2503 sense_len = le32_to_cpu(sts24->sense_len); 2504 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2505 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 2506 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 2507 resid_len = le32_to_cpu(sts24->rsp_residual_count); 2508 if (comp_status == CS_DATA_UNDERRUN) 2509 fw_resid_len = le32_to_cpu(sts24->residual_len); 2510 rsp_info = sts24->data; 2511 sense_data = sts24->data; 2512 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 2513 ox_id = le16_to_cpu(sts24->ox_id); 2514 par_sense_len = sizeof(sts24->data); 2515 /* Valid values of the retry delay timer are 0x1-0xffef */ 2516 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) 2517 retry_delay = sts24->retry_delay; 2518 } else { 2519 if (scsi_status & SS_SENSE_LEN_VALID) 2520 sense_len = le16_to_cpu(sts->req_sense_length); 2521 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2522 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 2523 resid_len = le32_to_cpu(sts->residual_length); 2524 rsp_info = sts->rsp_info; 2525 sense_data = sts->req_sense_data; 2526 par_sense_len = sizeof(sts->req_sense_data); 2527 } 2528 2529 /* Check for any FCP transport errors. */ 2530 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 2531 /* Sense data lies beyond any FCP RESPONSE data. */ 2532 if (IS_FWI2_CAPABLE(ha)) { 2533 sense_data += rsp_info_len; 2534 par_sense_len -= rsp_info_len; 2535 } 2536 if (rsp_info_len > 3 && rsp_info[3]) { 2537 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 2538 "FCP I/O protocol failure (0x%x/0x%x).\n", 2539 rsp_info_len, rsp_info[3]); 2540 2541 res = DID_BUS_BUSY << 16; 2542 goto out; 2543 } 2544 } 2545 2546 /* Check for overrun. */ 2547 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2548 scsi_status & SS_RESIDUAL_OVER) 2549 comp_status = CS_DATA_OVERRUN; 2550 2551 /* 2552 * Check retry_delay_timer value if we receive a busy or 2553 * queue full. 2554 */ 2555 if (lscsi_status == SAM_STAT_TASK_SET_FULL || 2556 lscsi_status == SAM_STAT_BUSY) 2557 qla2x00_set_retry_delay_timestamp(fcport, retry_delay); 2558 2559 /* 2560 * Based on Host and scsi status generate status code for Linux 2561 */ 2562 switch (comp_status) { 2563 case CS_COMPLETE: 2564 case CS_QUEUE_FULL: 2565 if (scsi_status == 0) { 2566 res = DID_OK << 16; 2567 break; 2568 } 2569 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2570 resid = resid_len; 2571 scsi_set_resid(cp, resid); 2572 2573 if (!lscsi_status && 2574 ((unsigned)(scsi_bufflen(cp) - resid) < 2575 cp->underflow)) { 2576 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2577 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2578 resid, scsi_bufflen(cp)); 2579 2580 res = DID_ERROR << 16; 2581 break; 2582 } 2583 } 2584 res = DID_OK << 16 | lscsi_status; 2585 2586 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2587 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2588 "QUEUE FULL detected.\n"); 2589 break; 2590 } 2591 logit = 0; 2592 if (lscsi_status != SS_CHECK_CONDITION) 2593 break; 2594 2595 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2596 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2597 break; 2598 2599 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2600 rsp, res); 2601 break; 2602 2603 case CS_DATA_UNDERRUN: 2604 /* Use F/W calculated residual length. */ 2605 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2606 scsi_set_resid(cp, resid); 2607 if (scsi_status & SS_RESIDUAL_UNDER) { 2608 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2609 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2610 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2611 resid, scsi_bufflen(cp)); 2612 2613 res = DID_ERROR << 16 | lscsi_status; 2614 goto check_scsi_status; 2615 } 2616 2617 if (!lscsi_status && 2618 ((unsigned)(scsi_bufflen(cp) - resid) < 2619 cp->underflow)) { 2620 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2621 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2622 resid, scsi_bufflen(cp)); 2623 2624 res = DID_ERROR << 16; 2625 break; 2626 } 2627 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2628 lscsi_status != SAM_STAT_BUSY) { 2629 /* 2630 * scsi status of task set and busy are considered to be 2631 * task not completed. 2632 */ 2633 2634 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2635 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2636 resid, scsi_bufflen(cp)); 2637 2638 res = DID_ERROR << 16 | lscsi_status; 2639 goto check_scsi_status; 2640 } else { 2641 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2642 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2643 scsi_status, lscsi_status); 2644 } 2645 2646 res = DID_OK << 16 | lscsi_status; 2647 logit = 0; 2648 2649 check_scsi_status: 2650 /* 2651 * Check to see if SCSI Status is non zero. If so report SCSI 2652 * Status. 2653 */ 2654 if (lscsi_status != 0) { 2655 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2656 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2657 "QUEUE FULL detected.\n"); 2658 logit = 1; 2659 break; 2660 } 2661 if (lscsi_status != SS_CHECK_CONDITION) 2662 break; 2663 2664 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2665 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2666 break; 2667 2668 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2669 sense_len, rsp, res); 2670 } 2671 break; 2672 2673 case CS_PORT_LOGGED_OUT: 2674 case CS_PORT_CONFIG_CHG: 2675 case CS_PORT_BUSY: 2676 case CS_INCOMPLETE: 2677 case CS_PORT_UNAVAILABLE: 2678 case CS_TIMEOUT: 2679 case CS_RESET: 2680 2681 /* 2682 * We are going to have the fc class block the rport 2683 * while we try to recover so instruct the mid layer 2684 * to requeue until the class decides how to handle this. 2685 */ 2686 res = DID_TRANSPORT_DISRUPTED << 16; 2687 2688 if (comp_status == CS_TIMEOUT) { 2689 if (IS_FWI2_CAPABLE(ha)) 2690 break; 2691 else if ((le16_to_cpu(sts->status_flags) & 2692 SF_LOGOUT_SENT) == 0) 2693 break; 2694 } 2695 2696 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2697 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2698 "Port to be marked lost on fcport=%02x%02x%02x, current " 2699 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 2700 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2701 port_state_str[atomic_read(&fcport->state)], 2702 comp_status); 2703 2704 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 2705 qlt_schedule_sess_for_deletion(fcport); 2706 } 2707 2708 break; 2709 2710 case CS_ABORTED: 2711 res = DID_RESET << 16; 2712 break; 2713 2714 case CS_DIF_ERROR: 2715 logit = qla2x00_handle_dif_error(sp, sts24); 2716 res = cp->result; 2717 break; 2718 2719 case CS_TRANSPORT: 2720 res = DID_ERROR << 16; 2721 2722 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2723 break; 2724 2725 if (state_flags & BIT_4) 2726 scmd_printk(KERN_WARNING, cp, 2727 "Unsupported device '%s' found.\n", 2728 cp->device->vendor); 2729 break; 2730 2731 default: 2732 res = DID_ERROR << 16; 2733 break; 2734 } 2735 2736 out: 2737 if (logit) 2738 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 2739 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 2740 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " 2741 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 2742 comp_status, scsi_status, res, vha->host_no, 2743 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 2744 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 2745 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2746 resid_len, fw_resid_len, sp, cp); 2747 2748 if (rsp->status_srb == NULL) 2749 sp->done(sp, res); 2750 } 2751 2752 /** 2753 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 2754 * @ha: SCSI driver HA context 2755 * @pkt: Entry pointer 2756 * 2757 * Extended sense data. 2758 */ 2759 static void 2760 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2761 { 2762 uint8_t sense_sz = 0; 2763 struct qla_hw_data *ha = rsp->hw; 2764 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2765 srb_t *sp = rsp->status_srb; 2766 struct scsi_cmnd *cp; 2767 uint32_t sense_len; 2768 uint8_t *sense_ptr; 2769 2770 if (!sp || !GET_CMD_SENSE_LEN(sp)) 2771 return; 2772 2773 sense_len = GET_CMD_SENSE_LEN(sp); 2774 sense_ptr = GET_CMD_SENSE_PTR(sp); 2775 2776 cp = GET_CMD_SP(sp); 2777 if (cp == NULL) { 2778 ql_log(ql_log_warn, vha, 0x3025, 2779 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2780 2781 rsp->status_srb = NULL; 2782 return; 2783 } 2784 2785 if (sense_len > sizeof(pkt->data)) 2786 sense_sz = sizeof(pkt->data); 2787 else 2788 sense_sz = sense_len; 2789 2790 /* Move sense data. */ 2791 if (IS_FWI2_CAPABLE(ha)) 2792 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 2793 memcpy(sense_ptr, pkt->data, sense_sz); 2794 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 2795 sense_ptr, sense_sz); 2796 2797 sense_len -= sense_sz; 2798 sense_ptr += sense_sz; 2799 2800 SET_CMD_SENSE_PTR(sp, sense_ptr); 2801 SET_CMD_SENSE_LEN(sp, sense_len); 2802 2803 /* Place command on done queue. */ 2804 if (sense_len == 0) { 2805 rsp->status_srb = NULL; 2806 sp->done(sp, cp->result); 2807 } 2808 } 2809 2810 /** 2811 * qla2x00_error_entry() - Process an error entry. 2812 * @ha: SCSI driver HA context 2813 * @pkt: Entry pointer 2814 * return : 1=allow further error analysis. 0=no additional error analysis. 2815 */ 2816 static int 2817 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 2818 { 2819 srb_t *sp; 2820 struct qla_hw_data *ha = vha->hw; 2821 const char func[] = "ERROR-IOCB"; 2822 uint16_t que = MSW(pkt->handle); 2823 struct req_que *req = NULL; 2824 int res = DID_ERROR << 16; 2825 2826 ql_dbg(ql_dbg_async, vha, 0x502a, 2827 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", 2828 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); 2829 2830 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 2831 goto fatal; 2832 2833 req = ha->req_q_map[que]; 2834 2835 if (pkt->entry_status & RF_BUSY) 2836 res = DID_BUS_BUSY << 16; 2837 2838 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) 2839 return 0; 2840 2841 switch (pkt->entry_type) { 2842 case NOTIFY_ACK_TYPE: 2843 case STATUS_TYPE: 2844 case STATUS_CONT_TYPE: 2845 case LOGINOUT_PORT_IOCB_TYPE: 2846 case CT_IOCB_TYPE: 2847 case ELS_IOCB_TYPE: 2848 case ABORT_IOCB_TYPE: 2849 case MBX_IOCB_TYPE: 2850 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2851 if (sp) { 2852 sp->done(sp, res); 2853 return 0; 2854 } 2855 break; 2856 2857 case ABTS_RESP_24XX: 2858 case CTIO_TYPE7: 2859 case CTIO_CRC2: 2860 default: 2861 return 1; 2862 } 2863 fatal: 2864 ql_log(ql_log_warn, vha, 0x5030, 2865 "Error entry - invalid handle/queue (%04x).\n", que); 2866 return 0; 2867 } 2868 2869 /** 2870 * qla24xx_mbx_completion() - Process mailbox command completions. 2871 * @ha: SCSI driver HA context 2872 * @mb0: Mailbox0 register 2873 */ 2874 static void 2875 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2876 { 2877 uint16_t cnt; 2878 uint32_t mboxes; 2879 uint16_t __iomem *wptr; 2880 struct qla_hw_data *ha = vha->hw; 2881 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2882 2883 /* Read all mbox registers? */ 2884 WARN_ON_ONCE(ha->mbx_count > 32); 2885 mboxes = (1ULL << ha->mbx_count) - 1; 2886 if (!ha->mcp) 2887 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 2888 else 2889 mboxes = ha->mcp->in_mb; 2890 2891 /* Load return mailbox registers. */ 2892 ha->flags.mbox_int = 1; 2893 ha->mailbox_out[0] = mb0; 2894 mboxes >>= 1; 2895 wptr = (uint16_t __iomem *)®->mailbox1; 2896 2897 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2898 if (mboxes & BIT_0) 2899 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2900 2901 mboxes >>= 1; 2902 wptr++; 2903 } 2904 } 2905 2906 static void 2907 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2908 struct abort_entry_24xx *pkt) 2909 { 2910 const char func[] = "ABT_IOCB"; 2911 srb_t *sp; 2912 struct srb_iocb *abt; 2913 2914 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2915 if (!sp) 2916 return; 2917 2918 abt = &sp->u.iocb_cmd; 2919 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle); 2920 sp->done(sp, 0); 2921 } 2922 2923 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, 2924 struct pt_ls4_request *pkt, struct req_que *req) 2925 { 2926 srb_t *sp; 2927 const char func[] = "LS4_IOCB"; 2928 uint16_t comp_status; 2929 2930 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2931 if (!sp) 2932 return; 2933 2934 comp_status = le16_to_cpu(pkt->status); 2935 sp->done(sp, comp_status); 2936 } 2937 2938 /** 2939 * qla24xx_process_response_queue() - Process response queue entries. 2940 * @ha: SCSI driver HA context 2941 */ 2942 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 2943 struct rsp_que *rsp) 2944 { 2945 struct sts_entry_24xx *pkt; 2946 struct qla_hw_data *ha = vha->hw; 2947 2948 if (!ha->flags.fw_started) 2949 return; 2950 2951 if (rsp->qpair->cpuid != smp_processor_id()) 2952 qla_cpu_update(rsp->qpair, smp_processor_id()); 2953 2954 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2955 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 2956 2957 rsp->ring_index++; 2958 if (rsp->ring_index == rsp->length) { 2959 rsp->ring_index = 0; 2960 rsp->ring_ptr = rsp->ring; 2961 } else { 2962 rsp->ring_ptr++; 2963 } 2964 2965 if (pkt->entry_status != 0) { 2966 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) 2967 goto process_err; 2968 2969 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2970 wmb(); 2971 continue; 2972 } 2973 process_err: 2974 2975 switch (pkt->entry_type) { 2976 case STATUS_TYPE: 2977 qla2x00_status_entry(vha, rsp, pkt); 2978 break; 2979 case STATUS_CONT_TYPE: 2980 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2981 break; 2982 case VP_RPT_ID_IOCB_TYPE: 2983 qla24xx_report_id_acquisition(vha, 2984 (struct vp_rpt_id_entry_24xx *)pkt); 2985 break; 2986 case LOGINOUT_PORT_IOCB_TYPE: 2987 qla24xx_logio_entry(vha, rsp->req, 2988 (struct logio_entry_24xx *)pkt); 2989 break; 2990 case CT_IOCB_TYPE: 2991 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2992 break; 2993 case ELS_IOCB_TYPE: 2994 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 2995 break; 2996 case ABTS_RECV_24XX: 2997 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 2998 /* ensure that the ATIO queue is empty */ 2999 qlt_handle_abts_recv(vha, rsp, 3000 (response_t *)pkt); 3001 break; 3002 } else { 3003 qlt_24xx_process_atio_queue(vha, 1); 3004 } 3005 /* fall through */ 3006 case ABTS_RESP_24XX: 3007 case CTIO_TYPE7: 3008 case CTIO_CRC2: 3009 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); 3010 break; 3011 case PT_LS4_REQUEST: 3012 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, 3013 rsp->req); 3014 break; 3015 case NOTIFY_ACK_TYPE: 3016 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 3017 qlt_response_pkt_all_vps(vha, rsp, 3018 (response_t *)pkt); 3019 else 3020 qla24xxx_nack_iocb_entry(vha, rsp->req, 3021 (struct nack_to_isp *)pkt); 3022 break; 3023 case MARKER_TYPE: 3024 /* Do nothing in this case, this check is to prevent it 3025 * from falling into default case 3026 */ 3027 break; 3028 case ABORT_IOCB_TYPE: 3029 qla24xx_abort_iocb_entry(vha, rsp->req, 3030 (struct abort_entry_24xx *)pkt); 3031 break; 3032 case MBX_IOCB_TYPE: 3033 qla24xx_mbx_iocb_entry(vha, rsp->req, 3034 (struct mbx_24xx_entry *)pkt); 3035 break; 3036 case VP_CTRL_IOCB_TYPE: 3037 qla_ctrlvp_completed(vha, rsp->req, 3038 (struct vp_ctrl_entry_24xx *)pkt); 3039 break; 3040 default: 3041 /* Type Not Supported. */ 3042 ql_dbg(ql_dbg_async, vha, 0x5042, 3043 "Received unknown response pkt type %x " 3044 "entry status=%x.\n", 3045 pkt->entry_type, pkt->entry_status); 3046 break; 3047 } 3048 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3049 wmb(); 3050 } 3051 3052 /* Adjust ring index */ 3053 if (IS_P3P_TYPE(ha)) { 3054 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 3055 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 3056 } else { 3057 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 3058 } 3059 } 3060 3061 static void 3062 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 3063 { 3064 int rval; 3065 uint32_t cnt; 3066 struct qla_hw_data *ha = vha->hw; 3067 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3068 3069 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 3070 !IS_QLA27XX(ha)) 3071 return; 3072 3073 rval = QLA_SUCCESS; 3074 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 3075 RD_REG_DWORD(®->iobase_addr); 3076 WRT_REG_DWORD(®->iobase_window, 0x0001); 3077 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3078 rval == QLA_SUCCESS; cnt--) { 3079 if (cnt) { 3080 WRT_REG_DWORD(®->iobase_window, 0x0001); 3081 udelay(10); 3082 } else 3083 rval = QLA_FUNCTION_TIMEOUT; 3084 } 3085 if (rval == QLA_SUCCESS) 3086 goto next_test; 3087 3088 rval = QLA_SUCCESS; 3089 WRT_REG_DWORD(®->iobase_window, 0x0003); 3090 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3091 rval == QLA_SUCCESS; cnt--) { 3092 if (cnt) { 3093 WRT_REG_DWORD(®->iobase_window, 0x0003); 3094 udelay(10); 3095 } else 3096 rval = QLA_FUNCTION_TIMEOUT; 3097 } 3098 if (rval != QLA_SUCCESS) 3099 goto done; 3100 3101 next_test: 3102 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 3103 ql_log(ql_log_info, vha, 0x504c, 3104 "Additional code -- 0x55AA.\n"); 3105 3106 done: 3107 WRT_REG_DWORD(®->iobase_window, 0x0000); 3108 RD_REG_DWORD(®->iobase_window); 3109 } 3110 3111 /** 3112 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 3113 * @irq: 3114 * @dev_id: SCSI driver HA context 3115 * 3116 * Called by system whenever the host adapter generates an interrupt. 3117 * 3118 * Returns handled flag. 3119 */ 3120 irqreturn_t 3121 qla24xx_intr_handler(int irq, void *dev_id) 3122 { 3123 scsi_qla_host_t *vha; 3124 struct qla_hw_data *ha; 3125 struct device_reg_24xx __iomem *reg; 3126 int status; 3127 unsigned long iter; 3128 uint32_t stat; 3129 uint32_t hccr; 3130 uint16_t mb[8]; 3131 struct rsp_que *rsp; 3132 unsigned long flags; 3133 3134 rsp = (struct rsp_que *) dev_id; 3135 if (!rsp) { 3136 ql_log(ql_log_info, NULL, 0x5059, 3137 "%s: NULL response queue pointer.\n", __func__); 3138 return IRQ_NONE; 3139 } 3140 3141 ha = rsp->hw; 3142 reg = &ha->iobase->isp24; 3143 status = 0; 3144 3145 if (unlikely(pci_channel_offline(ha->pdev))) 3146 return IRQ_HANDLED; 3147 3148 spin_lock_irqsave(&ha->hardware_lock, flags); 3149 vha = pci_get_drvdata(ha->pdev); 3150 for (iter = 50; iter--; ) { 3151 stat = RD_REG_DWORD(®->host_status); 3152 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3153 break; 3154 if (stat & HSRX_RISC_PAUSED) { 3155 if (unlikely(pci_channel_offline(ha->pdev))) 3156 break; 3157 3158 hccr = RD_REG_DWORD(®->hccr); 3159 3160 ql_log(ql_log_warn, vha, 0x504b, 3161 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3162 hccr); 3163 3164 qla2xxx_check_risc_status(vha); 3165 3166 ha->isp_ops->fw_dump(vha, 1); 3167 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3168 break; 3169 } else if ((stat & HSRX_RISC_INT) == 0) 3170 break; 3171 3172 switch (stat & 0xff) { 3173 case INTR_ROM_MB_SUCCESS: 3174 case INTR_ROM_MB_FAILED: 3175 case INTR_MB_SUCCESS: 3176 case INTR_MB_FAILED: 3177 qla24xx_mbx_completion(vha, MSW(stat)); 3178 status |= MBX_INTERRUPT; 3179 3180 break; 3181 case INTR_ASYNC_EVENT: 3182 mb[0] = MSW(stat); 3183 mb[1] = RD_REG_WORD(®->mailbox1); 3184 mb[2] = RD_REG_WORD(®->mailbox2); 3185 mb[3] = RD_REG_WORD(®->mailbox3); 3186 qla2x00_async_event(vha, rsp, mb); 3187 break; 3188 case INTR_RSP_QUE_UPDATE: 3189 case INTR_RSP_QUE_UPDATE_83XX: 3190 qla24xx_process_response_queue(vha, rsp); 3191 break; 3192 case INTR_ATIO_QUE_UPDATE_27XX: 3193 case INTR_ATIO_QUE_UPDATE:{ 3194 unsigned long flags2; 3195 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 3196 qlt_24xx_process_atio_queue(vha, 1); 3197 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 3198 break; 3199 } 3200 case INTR_ATIO_RSP_QUE_UPDATE: { 3201 unsigned long flags2; 3202 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 3203 qlt_24xx_process_atio_queue(vha, 1); 3204 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 3205 3206 qla24xx_process_response_queue(vha, rsp); 3207 break; 3208 } 3209 default: 3210 ql_dbg(ql_dbg_async, vha, 0x504f, 3211 "Unrecognized interrupt type (%d).\n", stat * 0xff); 3212 break; 3213 } 3214 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3215 RD_REG_DWORD_RELAXED(®->hccr); 3216 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 3217 ndelay(3500); 3218 } 3219 qla2x00_handle_mbx_completion(ha, status); 3220 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3221 3222 return IRQ_HANDLED; 3223 } 3224 3225 static irqreturn_t 3226 qla24xx_msix_rsp_q(int irq, void *dev_id) 3227 { 3228 struct qla_hw_data *ha; 3229 struct rsp_que *rsp; 3230 struct device_reg_24xx __iomem *reg; 3231 struct scsi_qla_host *vha; 3232 unsigned long flags; 3233 3234 rsp = (struct rsp_que *) dev_id; 3235 if (!rsp) { 3236 ql_log(ql_log_info, NULL, 0x505a, 3237 "%s: NULL response queue pointer.\n", __func__); 3238 return IRQ_NONE; 3239 } 3240 ha = rsp->hw; 3241 reg = &ha->iobase->isp24; 3242 3243 spin_lock_irqsave(&ha->hardware_lock, flags); 3244 3245 vha = pci_get_drvdata(ha->pdev); 3246 qla24xx_process_response_queue(vha, rsp); 3247 if (!ha->flags.disable_msix_handshake) { 3248 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3249 RD_REG_DWORD_RELAXED(®->hccr); 3250 } 3251 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3252 3253 return IRQ_HANDLED; 3254 } 3255 3256 static irqreturn_t 3257 qla24xx_msix_default(int irq, void *dev_id) 3258 { 3259 scsi_qla_host_t *vha; 3260 struct qla_hw_data *ha; 3261 struct rsp_que *rsp; 3262 struct device_reg_24xx __iomem *reg; 3263 int status; 3264 uint32_t stat; 3265 uint32_t hccr; 3266 uint16_t mb[8]; 3267 unsigned long flags; 3268 3269 rsp = (struct rsp_que *) dev_id; 3270 if (!rsp) { 3271 ql_log(ql_log_info, NULL, 0x505c, 3272 "%s: NULL response queue pointer.\n", __func__); 3273 return IRQ_NONE; 3274 } 3275 ha = rsp->hw; 3276 reg = &ha->iobase->isp24; 3277 status = 0; 3278 3279 spin_lock_irqsave(&ha->hardware_lock, flags); 3280 vha = pci_get_drvdata(ha->pdev); 3281 do { 3282 stat = RD_REG_DWORD(®->host_status); 3283 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3284 break; 3285 if (stat & HSRX_RISC_PAUSED) { 3286 if (unlikely(pci_channel_offline(ha->pdev))) 3287 break; 3288 3289 hccr = RD_REG_DWORD(®->hccr); 3290 3291 ql_log(ql_log_info, vha, 0x5050, 3292 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3293 hccr); 3294 3295 qla2xxx_check_risc_status(vha); 3296 3297 ha->isp_ops->fw_dump(vha, 1); 3298 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3299 break; 3300 } else if ((stat & HSRX_RISC_INT) == 0) 3301 break; 3302 3303 switch (stat & 0xff) { 3304 case INTR_ROM_MB_SUCCESS: 3305 case INTR_ROM_MB_FAILED: 3306 case INTR_MB_SUCCESS: 3307 case INTR_MB_FAILED: 3308 qla24xx_mbx_completion(vha, MSW(stat)); 3309 status |= MBX_INTERRUPT; 3310 3311 break; 3312 case INTR_ASYNC_EVENT: 3313 mb[0] = MSW(stat); 3314 mb[1] = RD_REG_WORD(®->mailbox1); 3315 mb[2] = RD_REG_WORD(®->mailbox2); 3316 mb[3] = RD_REG_WORD(®->mailbox3); 3317 qla2x00_async_event(vha, rsp, mb); 3318 break; 3319 case INTR_RSP_QUE_UPDATE: 3320 case INTR_RSP_QUE_UPDATE_83XX: 3321 qla24xx_process_response_queue(vha, rsp); 3322 break; 3323 case INTR_ATIO_QUE_UPDATE_27XX: 3324 case INTR_ATIO_QUE_UPDATE:{ 3325 unsigned long flags2; 3326 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 3327 qlt_24xx_process_atio_queue(vha, 1); 3328 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 3329 break; 3330 } 3331 case INTR_ATIO_RSP_QUE_UPDATE: { 3332 unsigned long flags2; 3333 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 3334 qlt_24xx_process_atio_queue(vha, 1); 3335 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 3336 3337 qla24xx_process_response_queue(vha, rsp); 3338 break; 3339 } 3340 default: 3341 ql_dbg(ql_dbg_async, vha, 0x5051, 3342 "Unrecognized interrupt type (%d).\n", stat & 0xff); 3343 break; 3344 } 3345 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3346 } while (0); 3347 qla2x00_handle_mbx_completion(ha, status); 3348 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3349 3350 return IRQ_HANDLED; 3351 } 3352 3353 irqreturn_t 3354 qla2xxx_msix_rsp_q(int irq, void *dev_id) 3355 { 3356 struct qla_hw_data *ha; 3357 struct qla_qpair *qpair; 3358 struct device_reg_24xx __iomem *reg; 3359 unsigned long flags; 3360 3361 qpair = dev_id; 3362 if (!qpair) { 3363 ql_log(ql_log_info, NULL, 0x505b, 3364 "%s: NULL response queue pointer.\n", __func__); 3365 return IRQ_NONE; 3366 } 3367 ha = qpair->hw; 3368 3369 /* Clear the interrupt, if enabled, for this response queue */ 3370 if (unlikely(!ha->flags.disable_msix_handshake)) { 3371 reg = &ha->iobase->isp24; 3372 spin_lock_irqsave(&ha->hardware_lock, flags); 3373 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3374 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3375 } 3376 3377 queue_work(ha->wq, &qpair->q_work); 3378 3379 return IRQ_HANDLED; 3380 } 3381 3382 /* Interrupt handling helpers. */ 3383 3384 struct qla_init_msix_entry { 3385 const char *name; 3386 irq_handler_t handler; 3387 }; 3388 3389 static const struct qla_init_msix_entry msix_entries[] = { 3390 { "default", qla24xx_msix_default }, 3391 { "rsp_q", qla24xx_msix_rsp_q }, 3392 { "atio_q", qla83xx_msix_atio_q }, 3393 { "qpair_multiq", qla2xxx_msix_rsp_q }, 3394 }; 3395 3396 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 3397 { "qla2xxx (default)", qla82xx_msix_default }, 3398 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 3399 }; 3400 3401 static int 3402 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 3403 { 3404 int i, ret; 3405 struct qla_msix_entry *qentry; 3406 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3407 int min_vecs = QLA_BASE_VECTORS; 3408 struct irq_affinity desc = { 3409 .pre_vectors = QLA_BASE_VECTORS, 3410 }; 3411 3412 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3413 IS_ATIO_MSIX_CAPABLE(ha)) { 3414 desc.pre_vectors++; 3415 min_vecs++; 3416 } 3417 3418 if (USER_CTRL_IRQ(ha)) { 3419 /* user wants to control IRQ setting for target mode */ 3420 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, 3421 ha->msix_count, PCI_IRQ_MSIX); 3422 } else 3423 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 3424 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 3425 &desc); 3426 3427 if (ret < 0) { 3428 ql_log(ql_log_fatal, vha, 0x00c7, 3429 "MSI-X: Failed to enable support, " 3430 "giving up -- %d/%d.\n", 3431 ha->msix_count, ret); 3432 goto msix_out; 3433 } else if (ret < ha->msix_count) { 3434 ql_log(ql_log_warn, vha, 0x00c6, 3435 "MSI-X: Failed to enable support " 3436 "with %d vectors, using %d vectors.\n", 3437 ha->msix_count, ret); 3438 ha->msix_count = ret; 3439 /* Recalculate queue values */ 3440 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { 3441 ha->max_req_queues = ha->msix_count - 1; 3442 3443 /* ATIOQ needs 1 vector. That's 1 less QPair */ 3444 if (QLA_TGT_MODE_ENABLED()) 3445 ha->max_req_queues--; 3446 3447 ha->max_rsp_queues = ha->max_req_queues; 3448 3449 ha->max_qpairs = ha->max_req_queues - 1; 3450 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 3451 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 3452 } 3453 } 3454 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * 3455 ha->msix_count, GFP_KERNEL); 3456 if (!ha->msix_entries) { 3457 ql_log(ql_log_fatal, vha, 0x00c8, 3458 "Failed to allocate memory for ha->msix_entries.\n"); 3459 ret = -ENOMEM; 3460 goto msix_out; 3461 } 3462 ha->flags.msix_enabled = 1; 3463 3464 for (i = 0; i < ha->msix_count; i++) { 3465 qentry = &ha->msix_entries[i]; 3466 qentry->vector = pci_irq_vector(ha->pdev, i); 3467 qentry->entry = i; 3468 qentry->have_irq = 0; 3469 qentry->in_use = 0; 3470 qentry->handle = NULL; 3471 } 3472 3473 /* Enable MSI-X vectors for the base queue */ 3474 for (i = 0; i < QLA_BASE_VECTORS; i++) { 3475 qentry = &ha->msix_entries[i]; 3476 qentry->handle = rsp; 3477 rsp->msix = qentry; 3478 scnprintf(qentry->name, sizeof(qentry->name), 3479 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); 3480 if (IS_P3P_TYPE(ha)) 3481 ret = request_irq(qentry->vector, 3482 qla82xx_msix_entries[i].handler, 3483 0, qla82xx_msix_entries[i].name, rsp); 3484 else 3485 ret = request_irq(qentry->vector, 3486 msix_entries[i].handler, 3487 0, qentry->name, rsp); 3488 if (ret) 3489 goto msix_register_fail; 3490 qentry->have_irq = 1; 3491 qentry->in_use = 1; 3492 } 3493 3494 /* 3495 * If target mode is enable, also request the vector for the ATIO 3496 * queue. 3497 */ 3498 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3499 IS_ATIO_MSIX_CAPABLE(ha)) { 3500 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 3501 rsp->msix = qentry; 3502 qentry->handle = rsp; 3503 scnprintf(qentry->name, sizeof(qentry->name), 3504 "qla2xxx%lu_%s", vha->host_no, 3505 msix_entries[QLA_ATIO_VECTOR].name); 3506 qentry->in_use = 1; 3507 ret = request_irq(qentry->vector, 3508 msix_entries[QLA_ATIO_VECTOR].handler, 3509 0, qentry->name, rsp); 3510 qentry->have_irq = 1; 3511 } 3512 3513 msix_register_fail: 3514 if (ret) { 3515 ql_log(ql_log_fatal, vha, 0x00cb, 3516 "MSI-X: unable to register handler -- %x/%d.\n", 3517 qentry->vector, ret); 3518 qla2x00_free_irqs(vha); 3519 ha->mqenable = 0; 3520 goto msix_out; 3521 } 3522 3523 /* Enable MSI-X vector for response queue update for queue 0 */ 3524 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 3525 if (ha->msixbase && ha->mqiobase && 3526 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3527 ql2xmqsupport)) 3528 ha->mqenable = 1; 3529 } else 3530 if (ha->mqiobase && 3531 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3532 ql2xmqsupport)) 3533 ha->mqenable = 1; 3534 ql_dbg(ql_dbg_multiq, vha, 0xc005, 3535 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3536 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3537 ql_dbg(ql_dbg_init, vha, 0x0055, 3538 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3539 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3540 3541 msix_out: 3542 return ret; 3543 } 3544 3545 int 3546 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 3547 { 3548 int ret = QLA_FUNCTION_FAILED; 3549 device_reg_t *reg = ha->iobase; 3550 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3551 3552 /* If possible, enable MSI-X. */ 3553 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && 3554 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && 3555 !IS_QLAFX00(ha) && !IS_QLA27XX(ha))) 3556 goto skip_msi; 3557 3558 if (ql2xenablemsix == 2) 3559 goto skip_msix; 3560 3561 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 3562 (ha->pdev->subsystem_device == 0x7040 || 3563 ha->pdev->subsystem_device == 0x7041 || 3564 ha->pdev->subsystem_device == 0x1705)) { 3565 ql_log(ql_log_warn, vha, 0x0034, 3566 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 3567 ha->pdev->subsystem_vendor, 3568 ha->pdev->subsystem_device); 3569 goto skip_msi; 3570 } 3571 3572 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 3573 ql_log(ql_log_warn, vha, 0x0035, 3574 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 3575 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 3576 goto skip_msix; 3577 } 3578 3579 ret = qla24xx_enable_msix(ha, rsp); 3580 if (!ret) { 3581 ql_dbg(ql_dbg_init, vha, 0x0036, 3582 "MSI-X: Enabled (0x%X, 0x%X).\n", 3583 ha->chip_revision, ha->fw_attributes); 3584 goto clear_risc_ints; 3585 } 3586 3587 skip_msix: 3588 3589 ql_log(ql_log_info, vha, 0x0037, 3590 "Falling back-to MSI mode -%d.\n", ret); 3591 3592 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3593 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 3594 !IS_QLA27XX(ha)) 3595 goto skip_msi; 3596 3597 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 3598 if (!ret) { 3599 ql_dbg(ql_dbg_init, vha, 0x0038, 3600 "MSI: Enabled.\n"); 3601 ha->flags.msi_enabled = 1; 3602 } else 3603 ql_log(ql_log_warn, vha, 0x0039, 3604 "Falling back-to INTa mode -- %d.\n", ret); 3605 skip_msi: 3606 3607 /* Skip INTx on ISP82xx. */ 3608 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 3609 return QLA_FUNCTION_FAILED; 3610 3611 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 3612 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 3613 QLA2XXX_DRIVER_NAME, rsp); 3614 if (ret) { 3615 ql_log(ql_log_warn, vha, 0x003a, 3616 "Failed to reserve interrupt %d already in use.\n", 3617 ha->pdev->irq); 3618 goto fail; 3619 } else if (!ha->flags.msi_enabled) { 3620 ql_dbg(ql_dbg_init, vha, 0x0125, 3621 "INTa mode: Enabled.\n"); 3622 ha->flags.mr_intr_valid = 1; 3623 } 3624 3625 clear_risc_ints: 3626 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 3627 goto fail; 3628 3629 spin_lock_irq(&ha->hardware_lock); 3630 WRT_REG_WORD(®->isp.semaphore, 0); 3631 spin_unlock_irq(&ha->hardware_lock); 3632 3633 fail: 3634 return ret; 3635 } 3636 3637 void 3638 qla2x00_free_irqs(scsi_qla_host_t *vha) 3639 { 3640 struct qla_hw_data *ha = vha->hw; 3641 struct rsp_que *rsp; 3642 struct qla_msix_entry *qentry; 3643 int i; 3644 3645 /* 3646 * We need to check that ha->rsp_q_map is valid in case we are called 3647 * from a probe failure context. 3648 */ 3649 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 3650 goto free_irqs; 3651 rsp = ha->rsp_q_map[0]; 3652 3653 if (ha->flags.msix_enabled) { 3654 for (i = 0; i < ha->msix_count; i++) { 3655 qentry = &ha->msix_entries[i]; 3656 if (qentry->have_irq) { 3657 irq_set_affinity_notifier(qentry->vector, NULL); 3658 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 3659 } 3660 } 3661 kfree(ha->msix_entries); 3662 ha->msix_entries = NULL; 3663 ha->flags.msix_enabled = 0; 3664 ql_dbg(ql_dbg_init, vha, 0x0042, 3665 "Disabled MSI-X.\n"); 3666 } else { 3667 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 3668 } 3669 3670 free_irqs: 3671 pci_free_irq_vectors(ha->pdev); 3672 } 3673 3674 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 3675 struct qla_msix_entry *msix, int vector_type) 3676 { 3677 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 3678 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3679 int ret; 3680 3681 scnprintf(msix->name, sizeof(msix->name), 3682 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 3683 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 3684 if (ret) { 3685 ql_log(ql_log_fatal, vha, 0x00e6, 3686 "MSI-X: Unable to register handler -- %x/%d.\n", 3687 msix->vector, ret); 3688 return ret; 3689 } 3690 msix->have_irq = 1; 3691 msix->handle = qpair; 3692 return ret; 3693 } 3694