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 const char *const port_state_str[] = { 27 "Unknown", 28 "UNCONFIGURED", 29 "DEAD", 30 "LOST", 31 "ONLINE" 32 }; 33 34 /** 35 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. 36 * @irq: interrupt number 37 * @dev_id: SCSI driver HA context 38 * 39 * Called by system whenever the host adapter generates an interrupt. 40 * 41 * Returns handled flag. 42 */ 43 irqreturn_t 44 qla2100_intr_handler(int irq, void *dev_id) 45 { 46 scsi_qla_host_t *vha; 47 struct qla_hw_data *ha; 48 struct device_reg_2xxx __iomem *reg; 49 int status; 50 unsigned long iter; 51 uint16_t hccr; 52 uint16_t mb[8]; 53 struct rsp_que *rsp; 54 unsigned long flags; 55 56 rsp = (struct rsp_que *) dev_id; 57 if (!rsp) { 58 ql_log(ql_log_info, NULL, 0x505d, 59 "%s: NULL response queue pointer.\n", __func__); 60 return (IRQ_NONE); 61 } 62 63 ha = rsp->hw; 64 reg = &ha->iobase->isp; 65 status = 0; 66 67 spin_lock_irqsave(&ha->hardware_lock, flags); 68 vha = pci_get_drvdata(ha->pdev); 69 for (iter = 50; iter--; ) { 70 hccr = RD_REG_WORD(®->hccr); 71 if (qla2x00_check_reg16_for_disconnect(vha, hccr)) 72 break; 73 if (hccr & HCCR_RISC_PAUSE) { 74 if (pci_channel_offline(ha->pdev)) 75 break; 76 77 /* 78 * Issue a "HARD" reset in order for the RISC interrupt 79 * bit to be cleared. Schedule a big hammer to get 80 * out of the RISC PAUSED state. 81 */ 82 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 83 RD_REG_WORD(®->hccr); 84 85 ha->isp_ops->fw_dump(vha, 1); 86 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 87 break; 88 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) 89 break; 90 91 if (RD_REG_WORD(®->semaphore) & BIT_0) { 92 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 93 RD_REG_WORD(®->hccr); 94 95 /* Get mailbox data. */ 96 mb[0] = RD_MAILBOX_REG(ha, reg, 0); 97 if (mb[0] > 0x3fff && mb[0] < 0x8000) { 98 qla2x00_mbx_completion(vha, mb[0]); 99 status |= MBX_INTERRUPT; 100 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { 101 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 102 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 103 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 104 qla2x00_async_event(vha, rsp, mb); 105 } else { 106 /*EMPTY*/ 107 ql_dbg(ql_dbg_async, vha, 0x5025, 108 "Unrecognized interrupt type (%d).\n", 109 mb[0]); 110 } 111 /* Release mailbox registers. */ 112 WRT_REG_WORD(®->semaphore, 0); 113 RD_REG_WORD(®->semaphore); 114 } else { 115 qla2x00_process_response_queue(rsp); 116 117 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 118 RD_REG_WORD(®->hccr); 119 } 120 } 121 qla2x00_handle_mbx_completion(ha, status); 122 spin_unlock_irqrestore(&ha->hardware_lock, flags); 123 124 return (IRQ_HANDLED); 125 } 126 127 bool 128 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) 129 { 130 /* Check for PCI disconnection */ 131 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) { 132 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) && 133 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) && 134 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) { 135 /* 136 * Schedule this (only once) on the default system 137 * workqueue so that all the adapter workqueues and the 138 * DPC thread can be shutdown cleanly. 139 */ 140 schedule_work(&vha->hw->board_disable); 141 } 142 return true; 143 } else 144 return false; 145 } 146 147 bool 148 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) 149 { 150 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg); 151 } 152 153 /** 154 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 155 * @irq: interrupt number 156 * @dev_id: SCSI driver HA context 157 * 158 * Called by system whenever the host adapter generates an interrupt. 159 * 160 * Returns handled flag. 161 */ 162 irqreturn_t 163 qla2300_intr_handler(int irq, void *dev_id) 164 { 165 scsi_qla_host_t *vha; 166 struct device_reg_2xxx __iomem *reg; 167 int status; 168 unsigned long iter; 169 uint32_t stat; 170 uint16_t hccr; 171 uint16_t mb[8]; 172 struct rsp_que *rsp; 173 struct qla_hw_data *ha; 174 unsigned long flags; 175 176 rsp = (struct rsp_que *) dev_id; 177 if (!rsp) { 178 ql_log(ql_log_info, NULL, 0x5058, 179 "%s: NULL response queue pointer.\n", __func__); 180 return (IRQ_NONE); 181 } 182 183 ha = rsp->hw; 184 reg = &ha->iobase->isp; 185 status = 0; 186 187 spin_lock_irqsave(&ha->hardware_lock, flags); 188 vha = pci_get_drvdata(ha->pdev); 189 for (iter = 50; iter--; ) { 190 stat = RD_REG_DWORD(®->u.isp2300.host_status); 191 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 192 break; 193 if (stat & HSR_RISC_PAUSED) { 194 if (unlikely(pci_channel_offline(ha->pdev))) 195 break; 196 197 hccr = RD_REG_WORD(®->hccr); 198 199 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) 200 ql_log(ql_log_warn, vha, 0x5026, 201 "Parity error -- HCCR=%x, Dumping " 202 "firmware.\n", hccr); 203 else 204 ql_log(ql_log_warn, vha, 0x5027, 205 "RISC paused -- HCCR=%x, Dumping " 206 "firmware.\n", hccr); 207 208 /* 209 * Issue a "HARD" reset in order for the RISC 210 * interrupt bit to be cleared. Schedule a big 211 * hammer to get out of the RISC PAUSED state. 212 */ 213 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 214 RD_REG_WORD(®->hccr); 215 216 ha->isp_ops->fw_dump(vha, 1); 217 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 218 break; 219 } else if ((stat & HSR_RISC_INT) == 0) 220 break; 221 222 switch (stat & 0xff) { 223 case 0x1: 224 case 0x2: 225 case 0x10: 226 case 0x11: 227 qla2x00_mbx_completion(vha, MSW(stat)); 228 status |= MBX_INTERRUPT; 229 230 /* Release mailbox registers. */ 231 WRT_REG_WORD(®->semaphore, 0); 232 break; 233 case 0x12: 234 mb[0] = MSW(stat); 235 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 236 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 237 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 238 qla2x00_async_event(vha, rsp, mb); 239 break; 240 case 0x13: 241 qla2x00_process_response_queue(rsp); 242 break; 243 case 0x15: 244 mb[0] = MBA_CMPLT_1_16BIT; 245 mb[1] = MSW(stat); 246 qla2x00_async_event(vha, rsp, mb); 247 break; 248 case 0x16: 249 mb[0] = MBA_SCSI_COMPLETION; 250 mb[1] = MSW(stat); 251 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 252 qla2x00_async_event(vha, rsp, mb); 253 break; 254 default: 255 ql_dbg(ql_dbg_async, vha, 0x5028, 256 "Unrecognized interrupt type (%d).\n", stat & 0xff); 257 break; 258 } 259 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 260 RD_REG_WORD_RELAXED(®->hccr); 261 } 262 qla2x00_handle_mbx_completion(ha, status); 263 spin_unlock_irqrestore(&ha->hardware_lock, flags); 264 265 return (IRQ_HANDLED); 266 } 267 268 /** 269 * qla2x00_mbx_completion() - Process mailbox command completions. 270 * @vha: SCSI driver HA context 271 * @mb0: Mailbox0 register 272 */ 273 static void 274 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 275 { 276 uint16_t cnt; 277 uint32_t mboxes; 278 uint16_t __iomem *wptr; 279 struct qla_hw_data *ha = vha->hw; 280 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 281 282 /* Read all mbox registers? */ 283 WARN_ON_ONCE(ha->mbx_count > 32); 284 mboxes = (1ULL << ha->mbx_count) - 1; 285 if (!ha->mcp) 286 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); 287 else 288 mboxes = ha->mcp->in_mb; 289 290 /* Load return mailbox registers. */ 291 ha->flags.mbox_int = 1; 292 ha->mailbox_out[0] = mb0; 293 mboxes >>= 1; 294 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); 295 296 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 297 if (IS_QLA2200(ha) && cnt == 8) 298 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); 299 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) 300 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); 301 else if (mboxes & BIT_0) 302 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 303 304 wptr++; 305 mboxes >>= 1; 306 } 307 } 308 309 static void 310 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) 311 { 312 static char *event[] = 313 { "Complete", "Request Notification", "Time Extension" }; 314 int rval; 315 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; 316 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; 317 uint16_t __iomem *wptr; 318 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; 319 320 /* Seed data -- mailbox1 -> mailbox7. */ 321 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) 322 wptr = (uint16_t __iomem *)®24->mailbox1; 323 else if (IS_QLA8044(vha->hw)) 324 wptr = (uint16_t __iomem *)®82->mailbox_out[1]; 325 else 326 return; 327 328 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) 329 mb[cnt] = RD_REG_WORD(wptr); 330 331 ql_dbg(ql_dbg_async, vha, 0x5021, 332 "Inter-Driver Communication %s -- " 333 "%04x %04x %04x %04x %04x %04x %04x.\n", 334 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], 335 mb[4], mb[5], mb[6]); 336 switch (aen) { 337 /* Handle IDC Error completion case. */ 338 case MBA_IDC_COMPLETE: 339 if (mb[1] >> 15) { 340 vha->hw->flags.idc_compl_status = 1; 341 if (vha->hw->notify_dcbx_comp && !vha->vp_idx) 342 complete(&vha->hw->dcbx_comp); 343 } 344 break; 345 346 case MBA_IDC_NOTIFY: 347 /* Acknowledgement needed? [Notify && non-zero timeout]. */ 348 timeout = (descr >> 8) & 0xf; 349 ql_dbg(ql_dbg_async, vha, 0x5022, 350 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", 351 vha->host_no, event[aen & 0xff], timeout); 352 353 if (!timeout) 354 return; 355 rval = qla2x00_post_idc_ack_work(vha, mb); 356 if (rval != QLA_SUCCESS) 357 ql_log(ql_log_warn, vha, 0x5023, 358 "IDC failed to post ACK.\n"); 359 break; 360 case MBA_IDC_TIME_EXT: 361 vha->hw->idc_extend_tmo = descr; 362 ql_dbg(ql_dbg_async, vha, 0x5087, 363 "%lu Inter-Driver Communication %s -- " 364 "Extend timeout by=%d.\n", 365 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); 366 break; 367 } 368 } 369 370 #define LS_UNKNOWN 2 371 const char * 372 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) 373 { 374 static const char *const link_speeds[] = { 375 "1", "2", "?", "4", "8", "16", "32", "10" 376 }; 377 #define QLA_LAST_SPEED (ARRAY_SIZE(link_speeds) - 1) 378 379 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 380 return link_speeds[0]; 381 else if (speed == 0x13) 382 return link_speeds[QLA_LAST_SPEED]; 383 else if (speed < QLA_LAST_SPEED) 384 return link_speeds[speed]; 385 else 386 return link_speeds[LS_UNKNOWN]; 387 } 388 389 static void 390 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 391 { 392 struct qla_hw_data *ha = vha->hw; 393 394 /* 395 * 8200 AEN Interpretation: 396 * mb[0] = AEN code 397 * mb[1] = AEN Reason code 398 * mb[2] = LSW of Peg-Halt Status-1 Register 399 * mb[6] = MSW of Peg-Halt Status-1 Register 400 * mb[3] = LSW of Peg-Halt Status-2 register 401 * mb[7] = MSW of Peg-Halt Status-2 register 402 * mb[4] = IDC Device-State Register value 403 * mb[5] = IDC Driver-Presence Register value 404 */ 405 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " 406 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", 407 mb[0], mb[1], mb[2], mb[6]); 408 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " 409 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " 410 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); 411 412 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | 413 IDC_HEARTBEAT_FAILURE)) { 414 ha->flags.nic_core_hung = 1; 415 ql_log(ql_log_warn, vha, 0x5060, 416 "83XX: F/W Error Reported: Check if reset required.\n"); 417 418 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { 419 uint32_t protocol_engine_id, fw_err_code, err_level; 420 421 /* 422 * IDC_PEG_HALT_STATUS_CHANGE interpretation: 423 * - PEG-Halt Status-1 Register: 424 * (LSW = mb[2], MSW = mb[6]) 425 * Bits 0-7 = protocol-engine ID 426 * Bits 8-28 = f/w error code 427 * Bits 29-31 = Error-level 428 * Error-level 0x1 = Non-Fatal error 429 * Error-level 0x2 = Recoverable Fatal error 430 * Error-level 0x4 = UnRecoverable Fatal error 431 * - PEG-Halt Status-2 Register: 432 * (LSW = mb[3], MSW = mb[7]) 433 */ 434 protocol_engine_id = (mb[2] & 0xff); 435 fw_err_code = (((mb[2] & 0xff00) >> 8) | 436 ((mb[6] & 0x1fff) << 8)); 437 err_level = ((mb[6] & 0xe000) >> 13); 438 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " 439 "Register: protocol_engine_id=0x%x " 440 "fw_err_code=0x%x err_level=0x%x.\n", 441 protocol_engine_id, fw_err_code, err_level); 442 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " 443 "Register: 0x%x%x.\n", mb[7], mb[3]); 444 if (err_level == ERR_LEVEL_NON_FATAL) { 445 ql_log(ql_log_warn, vha, 0x5063, 446 "Not a fatal error, f/w has recovered itself.\n"); 447 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { 448 ql_log(ql_log_fatal, vha, 0x5064, 449 "Recoverable Fatal error: Chip reset " 450 "required.\n"); 451 qla83xx_schedule_work(vha, 452 QLA83XX_NIC_CORE_RESET); 453 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { 454 ql_log(ql_log_fatal, vha, 0x5065, 455 "Unrecoverable Fatal error: Set FAILED " 456 "state, reboot required.\n"); 457 qla83xx_schedule_work(vha, 458 QLA83XX_NIC_CORE_UNRECOVERABLE); 459 } 460 } 461 462 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { 463 uint16_t peg_fw_state, nw_interface_link_up; 464 uint16_t nw_interface_signal_detect, sfp_status; 465 uint16_t htbt_counter, htbt_monitor_enable; 466 uint16_t sfp_additional_info, sfp_multirate; 467 uint16_t sfp_tx_fault, link_speed, dcbx_status; 468 469 /* 470 * IDC_NIC_FW_REPORTED_FAILURE interpretation: 471 * - PEG-to-FC Status Register: 472 * (LSW = mb[2], MSW = mb[6]) 473 * Bits 0-7 = Peg-Firmware state 474 * Bit 8 = N/W Interface Link-up 475 * Bit 9 = N/W Interface signal detected 476 * Bits 10-11 = SFP Status 477 * SFP Status 0x0 = SFP+ transceiver not expected 478 * SFP Status 0x1 = SFP+ transceiver not present 479 * SFP Status 0x2 = SFP+ transceiver invalid 480 * SFP Status 0x3 = SFP+ transceiver present and 481 * valid 482 * Bits 12-14 = Heartbeat Counter 483 * Bit 15 = Heartbeat Monitor Enable 484 * Bits 16-17 = SFP Additional Info 485 * SFP info 0x0 = Unregocnized transceiver for 486 * Ethernet 487 * SFP info 0x1 = SFP+ brand validation failed 488 * SFP info 0x2 = SFP+ speed validation failed 489 * SFP info 0x3 = SFP+ access error 490 * Bit 18 = SFP Multirate 491 * Bit 19 = SFP Tx Fault 492 * Bits 20-22 = Link Speed 493 * Bits 23-27 = Reserved 494 * Bits 28-30 = DCBX Status 495 * DCBX Status 0x0 = DCBX Disabled 496 * DCBX Status 0x1 = DCBX Enabled 497 * DCBX Status 0x2 = DCBX Exchange error 498 * Bit 31 = Reserved 499 */ 500 peg_fw_state = (mb[2] & 0x00ff); 501 nw_interface_link_up = ((mb[2] & 0x0100) >> 8); 502 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); 503 sfp_status = ((mb[2] & 0x0c00) >> 10); 504 htbt_counter = ((mb[2] & 0x7000) >> 12); 505 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); 506 sfp_additional_info = (mb[6] & 0x0003); 507 sfp_multirate = ((mb[6] & 0x0004) >> 2); 508 sfp_tx_fault = ((mb[6] & 0x0008) >> 3); 509 link_speed = ((mb[6] & 0x0070) >> 4); 510 dcbx_status = ((mb[6] & 0x7000) >> 12); 511 512 ql_log(ql_log_warn, vha, 0x5066, 513 "Peg-to-Fc Status Register:\n" 514 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " 515 "nw_interface_signal_detect=0x%x" 516 "\nsfp_statis=0x%x.\n ", peg_fw_state, 517 nw_interface_link_up, nw_interface_signal_detect, 518 sfp_status); 519 ql_log(ql_log_warn, vha, 0x5067, 520 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " 521 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ", 522 htbt_counter, htbt_monitor_enable, 523 sfp_additional_info, sfp_multirate); 524 ql_log(ql_log_warn, vha, 0x5068, 525 "sfp_tx_fault=0x%x, link_state=0x%x, " 526 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, 527 dcbx_status); 528 529 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 530 } 531 532 if (mb[1] & IDC_HEARTBEAT_FAILURE) { 533 ql_log(ql_log_warn, vha, 0x5069, 534 "Heartbeat Failure encountered, chip reset " 535 "required.\n"); 536 537 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 538 } 539 } 540 541 if (mb[1] & IDC_DEVICE_STATE_CHANGE) { 542 ql_log(ql_log_info, vha, 0x506a, 543 "IDC Device-State changed = 0x%x.\n", mb[4]); 544 if (ha->flags.nic_core_reset_owner) 545 return; 546 qla83xx_schedule_work(vha, MBA_IDC_AEN); 547 } 548 } 549 550 int 551 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) 552 { 553 struct qla_hw_data *ha = vha->hw; 554 scsi_qla_host_t *vp; 555 uint32_t vp_did; 556 unsigned long flags; 557 int ret = 0; 558 559 if (!ha->num_vhosts) 560 return ret; 561 562 spin_lock_irqsave(&ha->vport_slock, flags); 563 list_for_each_entry(vp, &ha->vp_list, list) { 564 vp_did = vp->d_id.b24; 565 if (vp_did == rscn_entry) { 566 ret = 1; 567 break; 568 } 569 } 570 spin_unlock_irqrestore(&ha->vport_slock, flags); 571 572 return ret; 573 } 574 575 fc_port_t * 576 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id) 577 { 578 fc_port_t *f, *tf; 579 580 f = tf = NULL; 581 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) 582 if (f->loop_id == loop_id) 583 return f; 584 return NULL; 585 } 586 587 fc_port_t * 588 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted) 589 { 590 fc_port_t *f, *tf; 591 592 f = tf = NULL; 593 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 594 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) { 595 if (incl_deleted) 596 return f; 597 else if (f->deleted == 0) 598 return f; 599 } 600 } 601 return NULL; 602 } 603 604 fc_port_t * 605 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id, 606 u8 incl_deleted) 607 { 608 fc_port_t *f, *tf; 609 610 f = tf = NULL; 611 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 612 if (f->d_id.b24 == id->b24) { 613 if (incl_deleted) 614 return f; 615 else if (f->deleted == 0) 616 return f; 617 } 618 } 619 return NULL; 620 } 621 622 /** 623 * qla2x00_async_event() - Process aynchronous events. 624 * @vha: SCSI driver HA context 625 * @rsp: response queue 626 * @mb: Mailbox registers (0 - 3) 627 */ 628 void 629 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 630 { 631 uint16_t handle_cnt; 632 uint16_t cnt, mbx; 633 uint32_t handles[5]; 634 struct qla_hw_data *ha = vha->hw; 635 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 636 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 637 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 638 uint32_t rscn_entry, host_pid; 639 unsigned long flags; 640 fc_port_t *fcport = NULL; 641 642 if (!vha->hw->flags.fw_started) 643 return; 644 645 /* Setup to process RIO completion. */ 646 handle_cnt = 0; 647 if (IS_CNA_CAPABLE(ha)) 648 goto skip_rio; 649 switch (mb[0]) { 650 case MBA_SCSI_COMPLETION: 651 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 652 handle_cnt = 1; 653 break; 654 case MBA_CMPLT_1_16BIT: 655 handles[0] = mb[1]; 656 handle_cnt = 1; 657 mb[0] = MBA_SCSI_COMPLETION; 658 break; 659 case MBA_CMPLT_2_16BIT: 660 handles[0] = mb[1]; 661 handles[1] = mb[2]; 662 handle_cnt = 2; 663 mb[0] = MBA_SCSI_COMPLETION; 664 break; 665 case MBA_CMPLT_3_16BIT: 666 handles[0] = mb[1]; 667 handles[1] = mb[2]; 668 handles[2] = mb[3]; 669 handle_cnt = 3; 670 mb[0] = MBA_SCSI_COMPLETION; 671 break; 672 case MBA_CMPLT_4_16BIT: 673 handles[0] = mb[1]; 674 handles[1] = mb[2]; 675 handles[2] = mb[3]; 676 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 677 handle_cnt = 4; 678 mb[0] = MBA_SCSI_COMPLETION; 679 break; 680 case MBA_CMPLT_5_16BIT: 681 handles[0] = mb[1]; 682 handles[1] = mb[2]; 683 handles[2] = mb[3]; 684 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 685 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 686 handle_cnt = 5; 687 mb[0] = MBA_SCSI_COMPLETION; 688 break; 689 case MBA_CMPLT_2_32BIT: 690 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 691 handles[1] = le32_to_cpu( 692 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | 693 RD_MAILBOX_REG(ha, reg, 6)); 694 handle_cnt = 2; 695 mb[0] = MBA_SCSI_COMPLETION; 696 break; 697 default: 698 break; 699 } 700 skip_rio: 701 switch (mb[0]) { 702 case MBA_SCSI_COMPLETION: /* Fast Post */ 703 if (!vha->flags.online) 704 break; 705 706 for (cnt = 0; cnt < handle_cnt; cnt++) 707 qla2x00_process_completed_request(vha, rsp->req, 708 handles[cnt]); 709 break; 710 711 case MBA_RESET: /* Reset */ 712 ql_dbg(ql_dbg_async, vha, 0x5002, 713 "Asynchronous RESET.\n"); 714 715 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 716 break; 717 718 case MBA_SYSTEM_ERR: /* System Error */ 719 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) || 720 IS_QLA28XX(ha)) ? 721 RD_REG_WORD(®24->mailbox7) : 0; 722 ql_log(ql_log_warn, vha, 0x5003, 723 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " 724 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); 725 ha->fw_dump_mpi = 726 (IS_QLA27XX(ha) || IS_QLA28XX(ha)) && 727 RD_REG_WORD(®24->mailbox7) & BIT_8; 728 ha->isp_ops->fw_dump(vha, 1); 729 ha->flags.fw_init_done = 0; 730 QLA_FW_STOPPED(ha); 731 732 if (IS_FWI2_CAPABLE(ha)) { 733 if (mb[1] == 0 && mb[2] == 0) { 734 ql_log(ql_log_fatal, vha, 0x5004, 735 "Unrecoverable Hardware Error: adapter " 736 "marked OFFLINE!\n"); 737 vha->flags.online = 0; 738 vha->device_flags |= DFLG_DEV_FAILED; 739 } else { 740 /* Check to see if MPI timeout occurred */ 741 if ((mbx & MBX_3) && (ha->port_no == 0)) 742 set_bit(MPI_RESET_NEEDED, 743 &vha->dpc_flags); 744 745 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 746 } 747 } else if (mb[1] == 0) { 748 ql_log(ql_log_fatal, vha, 0x5005, 749 "Unrecoverable Hardware Error: adapter marked " 750 "OFFLINE!\n"); 751 vha->flags.online = 0; 752 vha->device_flags |= DFLG_DEV_FAILED; 753 } else 754 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 755 break; 756 757 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 758 ql_log(ql_log_warn, vha, 0x5006, 759 "ISP Request Transfer Error (%x).\n", mb[1]); 760 761 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 762 break; 763 764 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 765 ql_log(ql_log_warn, vha, 0x5007, 766 "ISP Response Transfer Error (%x).\n", mb[1]); 767 768 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 769 break; 770 771 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 772 ql_dbg(ql_dbg_async, vha, 0x5008, 773 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); 774 break; 775 776 case MBA_LOOP_INIT_ERR: 777 ql_log(ql_log_warn, vha, 0x5090, 778 "LOOP INIT ERROR (%x).\n", mb[1]); 779 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 780 break; 781 782 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 783 ha->flags.lip_ae = 1; 784 785 ql_dbg(ql_dbg_async, vha, 0x5009, 786 "LIP occurred (%x).\n", mb[1]); 787 788 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 789 atomic_set(&vha->loop_state, LOOP_DOWN); 790 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 791 qla2x00_mark_all_devices_lost(vha, 1); 792 } 793 794 if (vha->vp_idx) { 795 atomic_set(&vha->vp_state, VP_FAILED); 796 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 797 } 798 799 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 800 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 801 802 vha->flags.management_server_logged_in = 0; 803 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 804 break; 805 806 case MBA_LOOP_UP: /* Loop Up Event */ 807 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 808 ha->link_data_rate = PORT_SPEED_1GB; 809 else 810 ha->link_data_rate = mb[1]; 811 812 ql_log(ql_log_info, vha, 0x500a, 813 "LOOP UP detected (%s Gbps).\n", 814 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 815 816 vha->flags.management_server_logged_in = 0; 817 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 818 819 if (AUTO_DETECT_SFP_SUPPORT(vha)) { 820 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); 821 qla2xxx_wake_dpc(vha); 822 } 823 break; 824 825 case MBA_LOOP_DOWN: /* Loop Down Event */ 826 SAVE_TOPO(ha); 827 ha->flags.lip_ae = 0; 828 ha->current_topology = 0; 829 830 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 831 ? RD_REG_WORD(®24->mailbox4) : 0; 832 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) 833 : mbx; 834 ql_log(ql_log_info, vha, 0x500b, 835 "LOOP DOWN detected (%x %x %x %x).\n", 836 mb[1], mb[2], mb[3], mbx); 837 838 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 839 atomic_set(&vha->loop_state, LOOP_DOWN); 840 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 841 /* 842 * In case of loop down, restore WWPN from 843 * NVRAM in case of FA-WWPN capable ISP 844 * Restore for Physical Port only 845 */ 846 if (!vha->vp_idx) { 847 if (ha->flags.fawwpn_enabled && 848 (ha->current_topology == ISP_CFG_F)) { 849 void *wwpn = ha->init_cb->port_name; 850 851 memcpy(vha->port_name, wwpn, WWN_SIZE); 852 fc_host_port_name(vha->host) = 853 wwn_to_u64(vha->port_name); 854 ql_dbg(ql_dbg_init + ql_dbg_verbose, 855 vha, 0x00d8, "LOOP DOWN detected," 856 "restore WWPN %016llx\n", 857 wwn_to_u64(vha->port_name)); 858 } 859 860 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 861 } 862 863 vha->device_flags |= DFLG_NO_CABLE; 864 qla2x00_mark_all_devices_lost(vha, 1); 865 } 866 867 if (vha->vp_idx) { 868 atomic_set(&vha->vp_state, VP_FAILED); 869 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 870 } 871 872 vha->flags.management_server_logged_in = 0; 873 ha->link_data_rate = PORT_SPEED_UNKNOWN; 874 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 875 break; 876 877 case MBA_LIP_RESET: /* LIP reset occurred */ 878 ql_dbg(ql_dbg_async, vha, 0x500c, 879 "LIP reset occurred (%x).\n", mb[1]); 880 881 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 882 atomic_set(&vha->loop_state, LOOP_DOWN); 883 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 884 qla2x00_mark_all_devices_lost(vha, 1); 885 } 886 887 if (vha->vp_idx) { 888 atomic_set(&vha->vp_state, VP_FAILED); 889 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 890 } 891 892 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 893 894 ha->operating_mode = LOOP; 895 vha->flags.management_server_logged_in = 0; 896 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 897 break; 898 899 /* case MBA_DCBX_COMPLETE: */ 900 case MBA_POINT_TO_POINT: /* Point-to-Point */ 901 ha->flags.lip_ae = 0; 902 903 if (IS_QLA2100(ha)) 904 break; 905 906 if (IS_CNA_CAPABLE(ha)) { 907 ql_dbg(ql_dbg_async, vha, 0x500d, 908 "DCBX Completed -- %04x %04x %04x.\n", 909 mb[1], mb[2], mb[3]); 910 if (ha->notify_dcbx_comp && !vha->vp_idx) 911 complete(&ha->dcbx_comp); 912 913 } else 914 ql_dbg(ql_dbg_async, vha, 0x500e, 915 "Asynchronous P2P MODE received.\n"); 916 917 /* 918 * Until there's a transition from loop down to loop up, treat 919 * this as loop down only. 920 */ 921 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 922 atomic_set(&vha->loop_state, LOOP_DOWN); 923 if (!atomic_read(&vha->loop_down_timer)) 924 atomic_set(&vha->loop_down_timer, 925 LOOP_DOWN_TIME); 926 if (!N2N_TOPO(ha)) 927 qla2x00_mark_all_devices_lost(vha, 1); 928 } 929 930 if (vha->vp_idx) { 931 atomic_set(&vha->vp_state, VP_FAILED); 932 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 933 } 934 935 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 936 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 937 938 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 939 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 940 941 vha->flags.management_server_logged_in = 0; 942 break; 943 944 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 945 if (IS_QLA2100(ha)) 946 break; 947 948 ql_dbg(ql_dbg_async, vha, 0x500f, 949 "Configuration change detected: value=%x.\n", mb[1]); 950 951 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 952 atomic_set(&vha->loop_state, LOOP_DOWN); 953 if (!atomic_read(&vha->loop_down_timer)) 954 atomic_set(&vha->loop_down_timer, 955 LOOP_DOWN_TIME); 956 qla2x00_mark_all_devices_lost(vha, 1); 957 } 958 959 if (vha->vp_idx) { 960 atomic_set(&vha->vp_state, VP_FAILED); 961 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 962 } 963 964 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 965 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 966 break; 967 968 case MBA_PORT_UPDATE: /* Port database update */ 969 /* 970 * Handle only global and vn-port update events 971 * 972 * Relevant inputs: 973 * mb[1] = N_Port handle of changed port 974 * OR 0xffff for global event 975 * mb[2] = New login state 976 * 7 = Port logged out 977 * mb[3] = LSB is vp_idx, 0xff = all vps 978 * 979 * Skip processing if: 980 * Event is global, vp_idx is NOT all vps, 981 * vp_idx does not match 982 * Event is not global, vp_idx does not match 983 */ 984 if (IS_QLA2XXX_MIDTYPE(ha) && 985 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 986 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 987 break; 988 989 if (mb[2] == 0x7) { 990 ql_dbg(ql_dbg_async, vha, 0x5010, 991 "Port %s %04x %04x %04x.\n", 992 mb[1] == 0xffff ? "unavailable" : "logout", 993 mb[1], mb[2], mb[3]); 994 995 if (mb[1] == 0xffff) 996 goto global_port_update; 997 998 if (mb[1] == NPH_SNS_LID(ha)) { 999 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1000 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1001 break; 1002 } 1003 1004 /* use handle_cnt for loop id/nport handle */ 1005 if (IS_FWI2_CAPABLE(ha)) 1006 handle_cnt = NPH_SNS; 1007 else 1008 handle_cnt = SIMPLE_NAME_SERVER; 1009 if (mb[1] == handle_cnt) { 1010 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1011 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1012 break; 1013 } 1014 1015 /* Port logout */ 1016 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); 1017 if (!fcport) 1018 break; 1019 if (atomic_read(&fcport->state) != FCS_ONLINE) 1020 break; 1021 ql_dbg(ql_dbg_async, vha, 0x508a, 1022 "Marking port lost loopid=%04x portid=%06x.\n", 1023 fcport->loop_id, fcport->d_id.b24); 1024 if (qla_ini_mode_enabled(vha)) { 1025 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 1026 fcport->logout_on_delete = 0; 1027 qlt_schedule_sess_for_deletion(fcport); 1028 } 1029 break; 1030 1031 global_port_update: 1032 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1033 atomic_set(&vha->loop_state, LOOP_DOWN); 1034 atomic_set(&vha->loop_down_timer, 1035 LOOP_DOWN_TIME); 1036 vha->device_flags |= DFLG_NO_CABLE; 1037 qla2x00_mark_all_devices_lost(vha, 1); 1038 } 1039 1040 if (vha->vp_idx) { 1041 atomic_set(&vha->vp_state, VP_FAILED); 1042 fc_vport_set_state(vha->fc_vport, 1043 FC_VPORT_FAILED); 1044 qla2x00_mark_all_devices_lost(vha, 1); 1045 } 1046 1047 vha->flags.management_server_logged_in = 0; 1048 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1049 break; 1050 } 1051 1052 /* 1053 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 1054 * event etc. earlier indicating loop is down) then process 1055 * it. Otherwise ignore it and Wait for RSCN to come in. 1056 */ 1057 atomic_set(&vha->loop_down_timer, 0); 1058 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 1059 !ha->flags.n2n_ae && 1060 atomic_read(&vha->loop_state) != LOOP_DEAD) { 1061 ql_dbg(ql_dbg_async, vha, 0x5011, 1062 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 1063 mb[1], mb[2], mb[3]); 1064 1065 qlt_async_event(mb[0], vha, mb); 1066 break; 1067 } 1068 1069 ql_dbg(ql_dbg_async, vha, 0x5012, 1070 "Port database changed %04x %04x %04x.\n", 1071 mb[1], mb[2], mb[3]); 1072 1073 /* 1074 * Mark all devices as missing so we will login again. 1075 */ 1076 atomic_set(&vha->loop_state, LOOP_UP); 1077 vha->scan.scan_retry = 0; 1078 1079 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1080 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1081 set_bit(VP_CONFIG_OK, &vha->vp_flags); 1082 1083 qlt_async_event(mb[0], vha, mb); 1084 break; 1085 1086 case MBA_RSCN_UPDATE: /* State Change Registration */ 1087 /* Check if the Vport has issued a SCR */ 1088 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 1089 break; 1090 /* Only handle SCNs for our Vport index. */ 1091 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 1092 break; 1093 1094 ql_dbg(ql_dbg_async, vha, 0x5013, 1095 "RSCN database changed -- %04x %04x %04x.\n", 1096 mb[1], mb[2], mb[3]); 1097 1098 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 1099 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 1100 | vha->d_id.b.al_pa; 1101 if (rscn_entry == host_pid) { 1102 ql_dbg(ql_dbg_async, vha, 0x5014, 1103 "Ignoring RSCN update to local host " 1104 "port ID (%06x).\n", host_pid); 1105 break; 1106 } 1107 1108 /* Ignore reserved bits from RSCN-payload. */ 1109 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 1110 1111 /* Skip RSCNs for virtual ports on the same physical port */ 1112 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 1113 break; 1114 1115 atomic_set(&vha->loop_down_timer, 0); 1116 vha->flags.management_server_logged_in = 0; 1117 { 1118 struct event_arg ea; 1119 1120 memset(&ea, 0, sizeof(ea)); 1121 ea.id.b24 = rscn_entry; 1122 ea.id.b.rsvd_1 = rscn_entry >> 24; 1123 qla2x00_handle_rscn(vha, &ea); 1124 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1125 } 1126 break; 1127 /* case MBA_RIO_RESPONSE: */ 1128 case MBA_ZIO_RESPONSE: 1129 ql_dbg(ql_dbg_async, vha, 0x5015, 1130 "[R|Z]IO update completion.\n"); 1131 1132 if (IS_FWI2_CAPABLE(ha)) 1133 qla24xx_process_response_queue(vha, rsp); 1134 else 1135 qla2x00_process_response_queue(rsp); 1136 break; 1137 1138 case MBA_DISCARD_RND_FRAME: 1139 ql_dbg(ql_dbg_async, vha, 0x5016, 1140 "Discard RND Frame -- %04x %04x %04x.\n", 1141 mb[1], mb[2], mb[3]); 1142 break; 1143 1144 case MBA_TRACE_NOTIFICATION: 1145 ql_dbg(ql_dbg_async, vha, 0x5017, 1146 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1147 break; 1148 1149 case MBA_ISP84XX_ALERT: 1150 ql_dbg(ql_dbg_async, vha, 0x5018, 1151 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1152 mb[1], mb[2], mb[3]); 1153 1154 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1155 switch (mb[1]) { 1156 case A84_PANIC_RECOVERY: 1157 ql_log(ql_log_info, vha, 0x5019, 1158 "Alert 84XX: panic recovery %04x %04x.\n", 1159 mb[2], mb[3]); 1160 break; 1161 case A84_OP_LOGIN_COMPLETE: 1162 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1163 ql_log(ql_log_info, vha, 0x501a, 1164 "Alert 84XX: firmware version %x.\n", 1165 ha->cs84xx->op_fw_version); 1166 break; 1167 case A84_DIAG_LOGIN_COMPLETE: 1168 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1169 ql_log(ql_log_info, vha, 0x501b, 1170 "Alert 84XX: diagnostic firmware version %x.\n", 1171 ha->cs84xx->diag_fw_version); 1172 break; 1173 case A84_GOLD_LOGIN_COMPLETE: 1174 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1175 ha->cs84xx->fw_update = 1; 1176 ql_log(ql_log_info, vha, 0x501c, 1177 "Alert 84XX: gold firmware version %x.\n", 1178 ha->cs84xx->gold_fw_version); 1179 break; 1180 default: 1181 ql_log(ql_log_warn, vha, 0x501d, 1182 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1183 mb[1], mb[2], mb[3]); 1184 } 1185 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1186 break; 1187 case MBA_DCBX_START: 1188 ql_dbg(ql_dbg_async, vha, 0x501e, 1189 "DCBX Started -- %04x %04x %04x.\n", 1190 mb[1], mb[2], mb[3]); 1191 break; 1192 case MBA_DCBX_PARAM_UPDATE: 1193 ql_dbg(ql_dbg_async, vha, 0x501f, 1194 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1195 mb[1], mb[2], mb[3]); 1196 break; 1197 case MBA_FCF_CONF_ERR: 1198 ql_dbg(ql_dbg_async, vha, 0x5020, 1199 "FCF Configuration Error -- %04x %04x %04x.\n", 1200 mb[1], mb[2], mb[3]); 1201 break; 1202 case MBA_IDC_NOTIFY: 1203 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1204 mb[4] = RD_REG_WORD(®24->mailbox4); 1205 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1206 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1207 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1208 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1209 /* 1210 * Extend loop down timer since port is active. 1211 */ 1212 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1213 atomic_set(&vha->loop_down_timer, 1214 LOOP_DOWN_TIME); 1215 qla2xxx_wake_dpc(vha); 1216 } 1217 } 1218 /* fall through */ 1219 case MBA_IDC_COMPLETE: 1220 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1221 complete(&ha->lb_portup_comp); 1222 /* Fallthru */ 1223 case MBA_IDC_TIME_EXT: 1224 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1225 IS_QLA8044(ha)) 1226 qla81xx_idc_event(vha, mb[0], mb[1]); 1227 break; 1228 1229 case MBA_IDC_AEN: 1230 mb[4] = RD_REG_WORD(®24->mailbox4); 1231 mb[5] = RD_REG_WORD(®24->mailbox5); 1232 mb[6] = RD_REG_WORD(®24->mailbox6); 1233 mb[7] = RD_REG_WORD(®24->mailbox7); 1234 qla83xx_handle_8200_aen(vha, mb); 1235 break; 1236 1237 case MBA_DPORT_DIAGNOSTICS: 1238 ql_dbg(ql_dbg_async, vha, 0x5052, 1239 "D-Port Diagnostics: %04x result=%s\n", 1240 mb[0], 1241 mb[1] == 0 ? "start" : 1242 mb[1] == 1 ? "done (pass)" : 1243 mb[1] == 2 ? "done (error)" : "other"); 1244 break; 1245 1246 case MBA_TEMPERATURE_ALERT: 1247 ql_dbg(ql_dbg_async, vha, 0x505e, 1248 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); 1249 if (mb[1] == 0x12) 1250 schedule_work(&ha->board_disable); 1251 break; 1252 1253 case MBA_TRANS_INSERT: 1254 ql_dbg(ql_dbg_async, vha, 0x5091, 1255 "Transceiver Insertion: %04x\n", mb[1]); 1256 break; 1257 1258 default: 1259 ql_dbg(ql_dbg_async, vha, 0x5057, 1260 "Unknown AEN:%04x %04x %04x %04x\n", 1261 mb[0], mb[1], mb[2], mb[3]); 1262 } 1263 1264 qlt_async_event(mb[0], vha, mb); 1265 1266 if (!vha->vp_idx && ha->num_vhosts) 1267 qla2x00_alert_all_vps(rsp, mb); 1268 } 1269 1270 /** 1271 * qla2x00_process_completed_request() - Process a Fast Post response. 1272 * @vha: SCSI driver HA context 1273 * @req: request queue 1274 * @index: SRB index 1275 */ 1276 void 1277 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1278 struct req_que *req, uint32_t index) 1279 { 1280 srb_t *sp; 1281 struct qla_hw_data *ha = vha->hw; 1282 1283 /* Validate handle. */ 1284 if (index >= req->num_outstanding_cmds) { 1285 ql_log(ql_log_warn, vha, 0x3014, 1286 "Invalid SCSI command index (%x).\n", index); 1287 1288 if (IS_P3P_TYPE(ha)) 1289 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1290 else 1291 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1292 return; 1293 } 1294 1295 sp = req->outstanding_cmds[index]; 1296 if (sp) { 1297 /* Free outstanding command slot. */ 1298 req->outstanding_cmds[index] = NULL; 1299 1300 /* Save ISP completion status */ 1301 sp->done(sp, DID_OK << 16); 1302 } else { 1303 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1304 1305 if (IS_P3P_TYPE(ha)) 1306 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1307 else 1308 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1309 } 1310 } 1311 1312 srb_t * 1313 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1314 struct req_que *req, void *iocb) 1315 { 1316 struct qla_hw_data *ha = vha->hw; 1317 sts_entry_t *pkt = iocb; 1318 srb_t *sp = NULL; 1319 uint16_t index; 1320 1321 index = LSW(pkt->handle); 1322 if (index >= req->num_outstanding_cmds) { 1323 ql_log(ql_log_warn, vha, 0x5031, 1324 "Invalid command index (%x) type %8ph.\n", 1325 index, iocb); 1326 if (IS_P3P_TYPE(ha)) 1327 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1328 else 1329 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1330 goto done; 1331 } 1332 sp = req->outstanding_cmds[index]; 1333 if (!sp) { 1334 ql_log(ql_log_warn, vha, 0x5032, 1335 "Invalid completion handle (%x) -- timed-out.\n", index); 1336 return sp; 1337 } 1338 if (sp->handle != index) { 1339 ql_log(ql_log_warn, vha, 0x5033, 1340 "SRB handle (%x) mismatch %x.\n", sp->handle, index); 1341 return NULL; 1342 } 1343 1344 req->outstanding_cmds[index] = NULL; 1345 1346 done: 1347 return sp; 1348 } 1349 1350 static void 1351 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1352 struct mbx_entry *mbx) 1353 { 1354 const char func[] = "MBX-IOCB"; 1355 const char *type; 1356 fc_port_t *fcport; 1357 srb_t *sp; 1358 struct srb_iocb *lio; 1359 uint16_t *data; 1360 uint16_t status; 1361 1362 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1363 if (!sp) 1364 return; 1365 1366 lio = &sp->u.iocb_cmd; 1367 type = sp->name; 1368 fcport = sp->fcport; 1369 data = lio->u.logio.data; 1370 1371 data[0] = MBS_COMMAND_ERROR; 1372 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1373 QLA_LOGIO_LOGIN_RETRIED : 0; 1374 if (mbx->entry_status) { 1375 ql_dbg(ql_dbg_async, vha, 0x5043, 1376 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1377 "entry-status=%x status=%x state-flag=%x " 1378 "status-flags=%x.\n", type, sp->handle, 1379 fcport->d_id.b.domain, fcport->d_id.b.area, 1380 fcport->d_id.b.al_pa, mbx->entry_status, 1381 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1382 le16_to_cpu(mbx->status_flags)); 1383 1384 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1385 mbx, sizeof(*mbx)); 1386 1387 goto logio_done; 1388 } 1389 1390 status = le16_to_cpu(mbx->status); 1391 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1392 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1393 status = 0; 1394 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1395 ql_dbg(ql_dbg_async, vha, 0x5045, 1396 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1397 type, sp->handle, fcport->d_id.b.domain, 1398 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1399 le16_to_cpu(mbx->mb1)); 1400 1401 data[0] = MBS_COMMAND_COMPLETE; 1402 if (sp->type == SRB_LOGIN_CMD) { 1403 fcport->port_type = FCT_TARGET; 1404 if (le16_to_cpu(mbx->mb1) & BIT_0) 1405 fcport->port_type = FCT_INITIATOR; 1406 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1407 fcport->flags |= FCF_FCP2_DEVICE; 1408 } 1409 goto logio_done; 1410 } 1411 1412 data[0] = le16_to_cpu(mbx->mb0); 1413 switch (data[0]) { 1414 case MBS_PORT_ID_USED: 1415 data[1] = le16_to_cpu(mbx->mb1); 1416 break; 1417 case MBS_LOOP_ID_USED: 1418 break; 1419 default: 1420 data[0] = MBS_COMMAND_ERROR; 1421 break; 1422 } 1423 1424 ql_log(ql_log_warn, vha, 0x5046, 1425 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1426 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1427 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1428 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1429 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1430 le16_to_cpu(mbx->mb7)); 1431 1432 logio_done: 1433 sp->done(sp, 0); 1434 } 1435 1436 static void 1437 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1438 struct mbx_24xx_entry *pkt) 1439 { 1440 const char func[] = "MBX-IOCB2"; 1441 srb_t *sp; 1442 struct srb_iocb *si; 1443 u16 sz, i; 1444 int res; 1445 1446 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1447 if (!sp) 1448 return; 1449 1450 si = &sp->u.iocb_cmd; 1451 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); 1452 1453 for (i = 0; i < sz; i++) 1454 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]); 1455 1456 res = (si->u.mbx.in_mb[0] & MBS_MASK); 1457 1458 sp->done(sp, res); 1459 } 1460 1461 static void 1462 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1463 struct nack_to_isp *pkt) 1464 { 1465 const char func[] = "nack"; 1466 srb_t *sp; 1467 int res = 0; 1468 1469 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1470 if (!sp) 1471 return; 1472 1473 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) 1474 res = QLA_FUNCTION_FAILED; 1475 1476 sp->done(sp, res); 1477 } 1478 1479 static void 1480 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1481 sts_entry_t *pkt, int iocb_type) 1482 { 1483 const char func[] = "CT_IOCB"; 1484 const char *type; 1485 srb_t *sp; 1486 struct bsg_job *bsg_job; 1487 struct fc_bsg_reply *bsg_reply; 1488 uint16_t comp_status; 1489 int res = 0; 1490 1491 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1492 if (!sp) 1493 return; 1494 1495 switch (sp->type) { 1496 case SRB_CT_CMD: 1497 bsg_job = sp->u.bsg_job; 1498 bsg_reply = bsg_job->reply; 1499 1500 type = "ct pass-through"; 1501 1502 comp_status = le16_to_cpu(pkt->comp_status); 1503 1504 /* 1505 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1506 * fc payload to the caller 1507 */ 1508 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1509 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1510 1511 if (comp_status != CS_COMPLETE) { 1512 if (comp_status == CS_DATA_UNDERRUN) { 1513 res = DID_OK << 16; 1514 bsg_reply->reply_payload_rcv_len = 1515 le16_to_cpu(pkt->rsp_info_len); 1516 1517 ql_log(ql_log_warn, vha, 0x5048, 1518 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", 1519 type, comp_status, 1520 bsg_reply->reply_payload_rcv_len); 1521 } else { 1522 ql_log(ql_log_warn, vha, 0x5049, 1523 "CT pass-through-%s error comp_status=0x%x.\n", 1524 type, comp_status); 1525 res = DID_ERROR << 16; 1526 bsg_reply->reply_payload_rcv_len = 0; 1527 } 1528 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 1529 pkt, sizeof(*pkt)); 1530 } else { 1531 res = DID_OK << 16; 1532 bsg_reply->reply_payload_rcv_len = 1533 bsg_job->reply_payload.payload_len; 1534 bsg_job->reply_len = 0; 1535 } 1536 break; 1537 case SRB_CT_PTHRU_CMD: 1538 /* 1539 * borrowing sts_entry_24xx.comp_status. 1540 * same location as ct_entry_24xx.comp_status 1541 */ 1542 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 1543 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1544 sp->name); 1545 break; 1546 } 1547 1548 sp->done(sp, res); 1549 } 1550 1551 static void 1552 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1553 struct sts_entry_24xx *pkt, int iocb_type) 1554 { 1555 const char func[] = "ELS_CT_IOCB"; 1556 const char *type; 1557 srb_t *sp; 1558 struct bsg_job *bsg_job; 1559 struct fc_bsg_reply *bsg_reply; 1560 uint16_t comp_status; 1561 uint32_t fw_status[3]; 1562 int res; 1563 struct srb_iocb *els; 1564 1565 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1566 if (!sp) 1567 return; 1568 1569 type = NULL; 1570 switch (sp->type) { 1571 case SRB_ELS_CMD_RPT: 1572 case SRB_ELS_CMD_HST: 1573 type = "els"; 1574 break; 1575 case SRB_CT_CMD: 1576 type = "ct pass-through"; 1577 break; 1578 case SRB_ELS_DCMD: 1579 type = "Driver ELS logo"; 1580 if (iocb_type != ELS_IOCB_TYPE) { 1581 ql_dbg(ql_dbg_user, vha, 0x5047, 1582 "Completing %s: (%p) type=%d.\n", 1583 type, sp, sp->type); 1584 sp->done(sp, 0); 1585 return; 1586 } 1587 break; 1588 case SRB_CT_PTHRU_CMD: 1589 /* borrowing sts_entry_24xx.comp_status. 1590 same location as ct_entry_24xx.comp_status 1591 */ 1592 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt, 1593 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1594 sp->name); 1595 sp->done(sp, res); 1596 return; 1597 default: 1598 ql_dbg(ql_dbg_user, vha, 0x503e, 1599 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 1600 return; 1601 } 1602 1603 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 1604 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1); 1605 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2); 1606 1607 if (iocb_type == ELS_IOCB_TYPE) { 1608 els = &sp->u.iocb_cmd; 1609 els->u.els_plogi.fw_status[0] = fw_status[0]; 1610 els->u.els_plogi.fw_status[1] = fw_status[1]; 1611 els->u.els_plogi.fw_status[2] = fw_status[2]; 1612 els->u.els_plogi.comp_status = fw_status[0]; 1613 if (comp_status == CS_COMPLETE) { 1614 res = DID_OK << 16; 1615 } else { 1616 if (comp_status == CS_DATA_UNDERRUN) { 1617 res = DID_OK << 16; 1618 els->u.els_plogi.len = 1619 le16_to_cpu(((struct els_sts_entry_24xx *) 1620 pkt)->total_byte_count); 1621 } else { 1622 els->u.els_plogi.len = 0; 1623 res = DID_ERROR << 16; 1624 } 1625 } 1626 ql_dbg(ql_dbg_user, vha, 0x503f, 1627 "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", 1628 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1629 le16_to_cpu(((struct els_sts_entry_24xx *) 1630 pkt)->total_byte_count)); 1631 goto els_ct_done; 1632 } 1633 1634 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1635 * fc payload to the caller 1636 */ 1637 bsg_job = sp->u.bsg_job; 1638 bsg_reply = bsg_job->reply; 1639 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1640 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 1641 1642 if (comp_status != CS_COMPLETE) { 1643 if (comp_status == CS_DATA_UNDERRUN) { 1644 res = DID_OK << 16; 1645 bsg_reply->reply_payload_rcv_len = 1646 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); 1647 1648 ql_dbg(ql_dbg_user, vha, 0x503f, 1649 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1650 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 1651 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1652 le16_to_cpu(((struct els_sts_entry_24xx *) 1653 pkt)->total_byte_count)); 1654 } else { 1655 ql_dbg(ql_dbg_user, vha, 0x5040, 1656 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1657 "error subcode 1=0x%x error subcode 2=0x%x.\n", 1658 type, sp->handle, comp_status, 1659 le16_to_cpu(((struct els_sts_entry_24xx *) 1660 pkt)->error_subcode_1), 1661 le16_to_cpu(((struct els_sts_entry_24xx *) 1662 pkt)->error_subcode_2)); 1663 res = DID_ERROR << 16; 1664 bsg_reply->reply_payload_rcv_len = 0; 1665 } 1666 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), 1667 fw_status, sizeof(fw_status)); 1668 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 1669 pkt, sizeof(*pkt)); 1670 } 1671 else { 1672 res = DID_OK << 16; 1673 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 1674 bsg_job->reply_len = 0; 1675 } 1676 els_ct_done: 1677 1678 sp->done(sp, res); 1679 } 1680 1681 static void 1682 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 1683 struct logio_entry_24xx *logio) 1684 { 1685 const char func[] = "LOGIO-IOCB"; 1686 const char *type; 1687 fc_port_t *fcport; 1688 srb_t *sp; 1689 struct srb_iocb *lio; 1690 uint16_t *data; 1691 uint32_t iop[2]; 1692 1693 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 1694 if (!sp) 1695 return; 1696 1697 lio = &sp->u.iocb_cmd; 1698 type = sp->name; 1699 fcport = sp->fcport; 1700 data = lio->u.logio.data; 1701 1702 data[0] = MBS_COMMAND_ERROR; 1703 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1704 QLA_LOGIO_LOGIN_RETRIED : 0; 1705 if (logio->entry_status) { 1706 ql_log(ql_log_warn, fcport->vha, 0x5034, 1707 "Async-%s error entry - %8phC hdl=%x" 1708 "portid=%02x%02x%02x entry-status=%x.\n", 1709 type, fcport->port_name, sp->handle, fcport->d_id.b.domain, 1710 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1711 logio->entry_status); 1712 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 1713 logio, sizeof(*logio)); 1714 1715 goto logio_done; 1716 } 1717 1718 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 1719 ql_dbg(ql_dbg_async, fcport->vha, 0x5036, 1720 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x " 1721 "iop0=%x.\n", type, fcport->port_name, sp->handle, 1722 fcport->d_id.b.domain, 1723 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1724 le32_to_cpu(logio->io_parameter[0])); 1725 1726 vha->hw->exch_starvation = 0; 1727 data[0] = MBS_COMMAND_COMPLETE; 1728 1729 if (sp->type == SRB_PRLI_CMD) { 1730 lio->u.logio.iop[0] = 1731 le32_to_cpu(logio->io_parameter[0]); 1732 lio->u.logio.iop[1] = 1733 le32_to_cpu(logio->io_parameter[1]); 1734 goto logio_done; 1735 } 1736 1737 if (sp->type != SRB_LOGIN_CMD) 1738 goto logio_done; 1739 1740 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1741 if (iop[0] & BIT_4) { 1742 fcport->port_type = FCT_TARGET; 1743 if (iop[0] & BIT_8) 1744 fcport->flags |= FCF_FCP2_DEVICE; 1745 } else if (iop[0] & BIT_5) 1746 fcport->port_type = FCT_INITIATOR; 1747 1748 if (iop[0] & BIT_7) 1749 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 1750 1751 if (logio->io_parameter[7] || logio->io_parameter[8]) 1752 fcport->supported_classes |= FC_COS_CLASS2; 1753 if (logio->io_parameter[9] || logio->io_parameter[10]) 1754 fcport->supported_classes |= FC_COS_CLASS3; 1755 1756 goto logio_done; 1757 } 1758 1759 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1760 iop[1] = le32_to_cpu(logio->io_parameter[1]); 1761 lio->u.logio.iop[0] = iop[0]; 1762 lio->u.logio.iop[1] = iop[1]; 1763 switch (iop[0]) { 1764 case LSC_SCODE_PORTID_USED: 1765 data[0] = MBS_PORT_ID_USED; 1766 data[1] = LSW(iop[1]); 1767 break; 1768 case LSC_SCODE_NPORT_USED: 1769 data[0] = MBS_LOOP_ID_USED; 1770 break; 1771 case LSC_SCODE_CMD_FAILED: 1772 if (iop[1] == 0x0606) { 1773 /* 1774 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, 1775 * Target side acked. 1776 */ 1777 data[0] = MBS_COMMAND_COMPLETE; 1778 goto logio_done; 1779 } 1780 data[0] = MBS_COMMAND_ERROR; 1781 break; 1782 case LSC_SCODE_NOXCB: 1783 vha->hw->exch_starvation++; 1784 if (vha->hw->exch_starvation > 5) { 1785 ql_log(ql_log_warn, vha, 0xd046, 1786 "Exchange starvation. Resetting RISC\n"); 1787 1788 vha->hw->exch_starvation = 0; 1789 1790 if (IS_P3P_TYPE(vha->hw)) 1791 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1792 else 1793 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1794 qla2xxx_wake_dpc(vha); 1795 } 1796 /* fall through */ 1797 default: 1798 data[0] = MBS_COMMAND_ERROR; 1799 break; 1800 } 1801 1802 ql_dbg(ql_dbg_async, fcport->vha, 0x5037, 1803 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x " 1804 "iop0=%x iop1=%x.\n", type, fcport->port_name, 1805 sp->handle, fcport->d_id.b.domain, 1806 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1807 le16_to_cpu(logio->comp_status), 1808 le32_to_cpu(logio->io_parameter[0]), 1809 le32_to_cpu(logio->io_parameter[1])); 1810 1811 logio_done: 1812 sp->done(sp, 0); 1813 } 1814 1815 static void 1816 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 1817 { 1818 const char func[] = "TMF-IOCB"; 1819 const char *type; 1820 fc_port_t *fcport; 1821 srb_t *sp; 1822 struct srb_iocb *iocb; 1823 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1824 1825 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1826 if (!sp) 1827 return; 1828 1829 iocb = &sp->u.iocb_cmd; 1830 type = sp->name; 1831 fcport = sp->fcport; 1832 iocb->u.tmf.data = QLA_SUCCESS; 1833 1834 if (sts->entry_status) { 1835 ql_log(ql_log_warn, fcport->vha, 0x5038, 1836 "Async-%s error - hdl=%x entry-status(%x).\n", 1837 type, sp->handle, sts->entry_status); 1838 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1839 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 1840 ql_log(ql_log_warn, fcport->vha, 0x5039, 1841 "Async-%s error - hdl=%x completion status(%x).\n", 1842 type, sp->handle, sts->comp_status); 1843 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1844 } else if ((le16_to_cpu(sts->scsi_status) & 1845 SS_RESPONSE_INFO_LEN_VALID)) { 1846 if (le32_to_cpu(sts->rsp_data_len) < 4) { 1847 ql_log(ql_log_warn, fcport->vha, 0x503b, 1848 "Async-%s error - hdl=%x not enough response(%d).\n", 1849 type, sp->handle, sts->rsp_data_len); 1850 } else if (sts->data[3]) { 1851 ql_log(ql_log_warn, fcport->vha, 0x503c, 1852 "Async-%s error - hdl=%x response(%x).\n", 1853 type, sp->handle, sts->data[3]); 1854 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1855 } 1856 } 1857 1858 if (iocb->u.tmf.data != QLA_SUCCESS) 1859 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055, 1860 sts, sizeof(*sts)); 1861 1862 sp->done(sp, 0); 1863 } 1864 1865 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1866 void *tsk, srb_t *sp) 1867 { 1868 fc_port_t *fcport; 1869 struct srb_iocb *iocb; 1870 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1871 uint16_t state_flags; 1872 struct nvmefc_fcp_req *fd; 1873 uint16_t ret = QLA_SUCCESS; 1874 uint16_t comp_status = le16_to_cpu(sts->comp_status); 1875 1876 iocb = &sp->u.iocb_cmd; 1877 fcport = sp->fcport; 1878 iocb->u.nvme.comp_status = comp_status; 1879 state_flags = le16_to_cpu(sts->state_flags); 1880 fd = iocb->u.nvme.desc; 1881 1882 if (unlikely(iocb->u.nvme.aen_op)) 1883 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); 1884 1885 /* 1886 * State flags: Bit 6 and 0. 1887 * If 0 is set, we don't care about 6. 1888 * both cases resp was dma'd to host buffer 1889 * if both are 0, that is good path case. 1890 * if six is set and 0 is clear, we need to 1891 * copy resp data from status iocb to resp buffer. 1892 */ 1893 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { 1894 iocb->u.nvme.rsp_pyld_len = 0; 1895 } else if ((state_flags & SF_FCP_RSP_DMA)) { 1896 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1897 } else if (state_flags & SF_NVME_ERSP) { 1898 uint32_t *inbuf, *outbuf; 1899 uint16_t iter; 1900 1901 inbuf = (uint32_t *)&sts->nvme_ersp_data; 1902 outbuf = (uint32_t *)fd->rspaddr; 1903 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1904 iter = iocb->u.nvme.rsp_pyld_len >> 2; 1905 for (; iter; iter--) 1906 *outbuf++ = swab32(*inbuf++); 1907 } else { /* unhandled case */ 1908 ql_log(ql_log_warn, fcport->vha, 0x503a, 1909 "NVME-%s error. Unhandled state_flags of %x\n", 1910 sp->name, state_flags); 1911 } 1912 1913 fd->transferred_length = fd->payload_length - 1914 le32_to_cpu(sts->residual_len); 1915 1916 if (unlikely(comp_status != CS_COMPLETE)) 1917 ql_log(ql_log_warn, fcport->vha, 0x5060, 1918 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n", 1919 sp->name, sp->handle, comp_status, 1920 fd->transferred_length, le32_to_cpu(sts->residual_len), 1921 sts->ox_id); 1922 1923 /* 1924 * If transport error then Failure (HBA rejects request) 1925 * otherwise transport will handle. 1926 */ 1927 switch (comp_status) { 1928 case CS_COMPLETE: 1929 break; 1930 1931 case CS_RESET: 1932 case CS_PORT_UNAVAILABLE: 1933 case CS_PORT_LOGGED_OUT: 1934 fcport->nvme_flag |= NVME_FLAG_RESETTING; 1935 /* fall through */ 1936 case CS_ABORTED: 1937 case CS_PORT_BUSY: 1938 fd->transferred_length = 0; 1939 iocb->u.nvme.rsp_pyld_len = 0; 1940 ret = QLA_ABORTED; 1941 break; 1942 case CS_DATA_UNDERRUN: 1943 break; 1944 default: 1945 ret = QLA_FUNCTION_FAILED; 1946 break; 1947 } 1948 sp->done(sp, ret); 1949 } 1950 1951 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, 1952 struct vp_ctrl_entry_24xx *vce) 1953 { 1954 const char func[] = "CTRLVP-IOCB"; 1955 srb_t *sp; 1956 int rval = QLA_SUCCESS; 1957 1958 sp = qla2x00_get_sp_from_handle(vha, func, req, vce); 1959 if (!sp) 1960 return; 1961 1962 if (vce->entry_status != 0) { 1963 ql_dbg(ql_dbg_vport, vha, 0x10c4, 1964 "%s: Failed to complete IOCB -- error status (%x)\n", 1965 sp->name, vce->entry_status); 1966 rval = QLA_FUNCTION_FAILED; 1967 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { 1968 ql_dbg(ql_dbg_vport, vha, 0x10c5, 1969 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", 1970 sp->name, le16_to_cpu(vce->comp_status), 1971 le16_to_cpu(vce->vp_idx_failed)); 1972 rval = QLA_FUNCTION_FAILED; 1973 } else { 1974 ql_dbg(ql_dbg_vport, vha, 0x10c6, 1975 "Done %s.\n", __func__); 1976 } 1977 1978 sp->rc = rval; 1979 sp->done(sp, rval); 1980 } 1981 1982 /* Process a single response queue entry. */ 1983 static void qla2x00_process_response_entry(struct scsi_qla_host *vha, 1984 struct rsp_que *rsp, 1985 sts_entry_t *pkt) 1986 { 1987 sts21_entry_t *sts21_entry; 1988 sts22_entry_t *sts22_entry; 1989 uint16_t handle_cnt; 1990 uint16_t cnt; 1991 1992 switch (pkt->entry_type) { 1993 case STATUS_TYPE: 1994 qla2x00_status_entry(vha, rsp, pkt); 1995 break; 1996 case STATUS_TYPE_21: 1997 sts21_entry = (sts21_entry_t *)pkt; 1998 handle_cnt = sts21_entry->handle_count; 1999 for (cnt = 0; cnt < handle_cnt; cnt++) 2000 qla2x00_process_completed_request(vha, rsp->req, 2001 sts21_entry->handle[cnt]); 2002 break; 2003 case STATUS_TYPE_22: 2004 sts22_entry = (sts22_entry_t *)pkt; 2005 handle_cnt = sts22_entry->handle_count; 2006 for (cnt = 0; cnt < handle_cnt; cnt++) 2007 qla2x00_process_completed_request(vha, rsp->req, 2008 sts22_entry->handle[cnt]); 2009 break; 2010 case STATUS_CONT_TYPE: 2011 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2012 break; 2013 case MBX_IOCB_TYPE: 2014 qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt); 2015 break; 2016 case CT_IOCB_TYPE: 2017 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2018 break; 2019 default: 2020 /* Type Not Supported. */ 2021 ql_log(ql_log_warn, vha, 0x504a, 2022 "Received unknown response pkt type %x entry status=%x.\n", 2023 pkt->entry_type, pkt->entry_status); 2024 break; 2025 } 2026 } 2027 2028 /** 2029 * qla2x00_process_response_queue() - Process response queue entries. 2030 * @rsp: response queue 2031 */ 2032 void 2033 qla2x00_process_response_queue(struct rsp_que *rsp) 2034 { 2035 struct scsi_qla_host *vha; 2036 struct qla_hw_data *ha = rsp->hw; 2037 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 2038 sts_entry_t *pkt; 2039 2040 vha = pci_get_drvdata(ha->pdev); 2041 2042 if (!vha->flags.online) 2043 return; 2044 2045 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2046 pkt = (sts_entry_t *)rsp->ring_ptr; 2047 2048 rsp->ring_index++; 2049 if (rsp->ring_index == rsp->length) { 2050 rsp->ring_index = 0; 2051 rsp->ring_ptr = rsp->ring; 2052 } else { 2053 rsp->ring_ptr++; 2054 } 2055 2056 if (pkt->entry_status != 0) { 2057 qla2x00_error_entry(vha, rsp, pkt); 2058 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2059 wmb(); 2060 continue; 2061 } 2062 2063 qla2x00_process_response_entry(vha, rsp, pkt); 2064 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2065 wmb(); 2066 } 2067 2068 /* Adjust ring index */ 2069 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 2070 } 2071 2072 static inline void 2073 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2074 uint32_t sense_len, struct rsp_que *rsp, int res) 2075 { 2076 struct scsi_qla_host *vha = sp->vha; 2077 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2078 uint32_t track_sense_len; 2079 2080 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2081 sense_len = SCSI_SENSE_BUFFERSIZE; 2082 2083 SET_CMD_SENSE_LEN(sp, sense_len); 2084 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2085 track_sense_len = sense_len; 2086 2087 if (sense_len > par_sense_len) 2088 sense_len = par_sense_len; 2089 2090 memcpy(cp->sense_buffer, sense_data, sense_len); 2091 2092 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2093 track_sense_len -= sense_len; 2094 SET_CMD_SENSE_LEN(sp, track_sense_len); 2095 2096 if (track_sense_len != 0) { 2097 rsp->status_srb = sp; 2098 cp->result = res; 2099 } 2100 2101 if (sense_len) { 2102 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 2103 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 2104 sp->vha->host_no, cp->device->id, cp->device->lun, 2105 cp); 2106 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 2107 cp->sense_buffer, sense_len); 2108 } 2109 } 2110 2111 struct scsi_dif_tuple { 2112 __be16 guard; /* Checksum */ 2113 __be16 app_tag; /* APPL identifier */ 2114 __be32 ref_tag; /* Target LBA or indirect LBA */ 2115 }; 2116 2117 /* 2118 * Checks the guard or meta-data for the type of error 2119 * detected by the HBA. In case of errors, we set the 2120 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 2121 * to indicate to the kernel that the HBA detected error. 2122 */ 2123 static inline int 2124 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 2125 { 2126 struct scsi_qla_host *vha = sp->vha; 2127 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 2128 uint8_t *ap = &sts24->data[12]; 2129 uint8_t *ep = &sts24->data[20]; 2130 uint32_t e_ref_tag, a_ref_tag; 2131 uint16_t e_app_tag, a_app_tag; 2132 uint16_t e_guard, a_guard; 2133 2134 /* 2135 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 2136 * would make guard field appear at offset 2 2137 */ 2138 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); 2139 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); 2140 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); 2141 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); 2142 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); 2143 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); 2144 2145 ql_dbg(ql_dbg_io, vha, 0x3023, 2146 "iocb(s) %p Returned STATUS.\n", sts24); 2147 2148 ql_dbg(ql_dbg_io, vha, 0x3024, 2149 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 2150 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 2151 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 2152 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 2153 a_app_tag, e_app_tag, a_guard, e_guard); 2154 2155 /* 2156 * Ignore sector if: 2157 * For type 3: ref & app tag is all 'f's 2158 * For type 0,1,2: app tag is all 'f's 2159 */ 2160 if ((a_app_tag == T10_PI_APP_ESCAPE) && 2161 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 2162 (a_ref_tag == T10_PI_REF_ESCAPE))) { 2163 uint32_t blocks_done, resid; 2164 sector_t lba_s = scsi_get_lba(cmd); 2165 2166 /* 2TB boundary case covered automatically with this */ 2167 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 2168 2169 resid = scsi_bufflen(cmd) - (blocks_done * 2170 cmd->device->sector_size); 2171 2172 scsi_set_resid(cmd, resid); 2173 cmd->result = DID_OK << 16; 2174 2175 /* Update protection tag */ 2176 if (scsi_prot_sg_count(cmd)) { 2177 uint32_t i, j = 0, k = 0, num_ent; 2178 struct scatterlist *sg; 2179 struct t10_pi_tuple *spt; 2180 2181 /* Patch the corresponding protection tags */ 2182 scsi_for_each_prot_sg(cmd, sg, 2183 scsi_prot_sg_count(cmd), i) { 2184 num_ent = sg_dma_len(sg) / 8; 2185 if (k + num_ent < blocks_done) { 2186 k += num_ent; 2187 continue; 2188 } 2189 j = blocks_done - k - 1; 2190 k = blocks_done; 2191 break; 2192 } 2193 2194 if (k != blocks_done) { 2195 ql_log(ql_log_warn, vha, 0x302f, 2196 "unexpected tag values tag:lba=%x:%llx)\n", 2197 e_ref_tag, (unsigned long long)lba_s); 2198 return 1; 2199 } 2200 2201 spt = page_address(sg_page(sg)) + sg->offset; 2202 spt += j; 2203 2204 spt->app_tag = T10_PI_APP_ESCAPE; 2205 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 2206 spt->ref_tag = T10_PI_REF_ESCAPE; 2207 } 2208 2209 return 0; 2210 } 2211 2212 /* check guard */ 2213 if (e_guard != a_guard) { 2214 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2215 0x10, 0x1); 2216 set_driver_byte(cmd, DRIVER_SENSE); 2217 set_host_byte(cmd, DID_ABORT); 2218 cmd->result |= SAM_STAT_CHECK_CONDITION; 2219 return 1; 2220 } 2221 2222 /* check ref tag */ 2223 if (e_ref_tag != a_ref_tag) { 2224 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2225 0x10, 0x3); 2226 set_driver_byte(cmd, DRIVER_SENSE); 2227 set_host_byte(cmd, DID_ABORT); 2228 cmd->result |= SAM_STAT_CHECK_CONDITION; 2229 return 1; 2230 } 2231 2232 /* check appl tag */ 2233 if (e_app_tag != a_app_tag) { 2234 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2235 0x10, 0x2); 2236 set_driver_byte(cmd, DRIVER_SENSE); 2237 set_host_byte(cmd, DID_ABORT); 2238 cmd->result |= SAM_STAT_CHECK_CONDITION; 2239 return 1; 2240 } 2241 2242 return 1; 2243 } 2244 2245 static void 2246 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 2247 struct req_que *req, uint32_t index) 2248 { 2249 struct qla_hw_data *ha = vha->hw; 2250 srb_t *sp; 2251 uint16_t comp_status; 2252 uint16_t scsi_status; 2253 uint16_t thread_id; 2254 uint32_t rval = EXT_STATUS_OK; 2255 struct bsg_job *bsg_job = NULL; 2256 struct fc_bsg_request *bsg_request; 2257 struct fc_bsg_reply *bsg_reply; 2258 sts_entry_t *sts = pkt; 2259 struct sts_entry_24xx *sts24 = pkt; 2260 2261 /* Validate handle. */ 2262 if (index >= req->num_outstanding_cmds) { 2263 ql_log(ql_log_warn, vha, 0x70af, 2264 "Invalid SCSI completion handle 0x%x.\n", index); 2265 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2266 return; 2267 } 2268 2269 sp = req->outstanding_cmds[index]; 2270 if (!sp) { 2271 ql_log(ql_log_warn, vha, 0x70b0, 2272 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 2273 req->id, index); 2274 2275 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2276 return; 2277 } 2278 2279 /* Free outstanding command slot. */ 2280 req->outstanding_cmds[index] = NULL; 2281 bsg_job = sp->u.bsg_job; 2282 bsg_request = bsg_job->request; 2283 bsg_reply = bsg_job->reply; 2284 2285 if (IS_FWI2_CAPABLE(ha)) { 2286 comp_status = le16_to_cpu(sts24->comp_status); 2287 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2288 } else { 2289 comp_status = le16_to_cpu(sts->comp_status); 2290 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2291 } 2292 2293 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 2294 switch (comp_status) { 2295 case CS_COMPLETE: 2296 if (scsi_status == 0) { 2297 bsg_reply->reply_payload_rcv_len = 2298 bsg_job->reply_payload.payload_len; 2299 vha->qla_stats.input_bytes += 2300 bsg_reply->reply_payload_rcv_len; 2301 vha->qla_stats.input_requests++; 2302 rval = EXT_STATUS_OK; 2303 } 2304 goto done; 2305 2306 case CS_DATA_OVERRUN: 2307 ql_dbg(ql_dbg_user, vha, 0x70b1, 2308 "Command completed with data overrun thread_id=%d\n", 2309 thread_id); 2310 rval = EXT_STATUS_DATA_OVERRUN; 2311 break; 2312 2313 case CS_DATA_UNDERRUN: 2314 ql_dbg(ql_dbg_user, vha, 0x70b2, 2315 "Command completed with data underrun thread_id=%d\n", 2316 thread_id); 2317 rval = EXT_STATUS_DATA_UNDERRUN; 2318 break; 2319 case CS_BIDIR_RD_OVERRUN: 2320 ql_dbg(ql_dbg_user, vha, 0x70b3, 2321 "Command completed with read data overrun thread_id=%d\n", 2322 thread_id); 2323 rval = EXT_STATUS_DATA_OVERRUN; 2324 break; 2325 2326 case CS_BIDIR_RD_WR_OVERRUN: 2327 ql_dbg(ql_dbg_user, vha, 0x70b4, 2328 "Command completed with read and write data overrun " 2329 "thread_id=%d\n", thread_id); 2330 rval = EXT_STATUS_DATA_OVERRUN; 2331 break; 2332 2333 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 2334 ql_dbg(ql_dbg_user, vha, 0x70b5, 2335 "Command completed with read data over and write data " 2336 "underrun thread_id=%d\n", thread_id); 2337 rval = EXT_STATUS_DATA_OVERRUN; 2338 break; 2339 2340 case CS_BIDIR_RD_UNDERRUN: 2341 ql_dbg(ql_dbg_user, vha, 0x70b6, 2342 "Command completed with read data underrun " 2343 "thread_id=%d\n", thread_id); 2344 rval = EXT_STATUS_DATA_UNDERRUN; 2345 break; 2346 2347 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 2348 ql_dbg(ql_dbg_user, vha, 0x70b7, 2349 "Command completed with read data under and write data " 2350 "overrun thread_id=%d\n", thread_id); 2351 rval = EXT_STATUS_DATA_UNDERRUN; 2352 break; 2353 2354 case CS_BIDIR_RD_WR_UNDERRUN: 2355 ql_dbg(ql_dbg_user, vha, 0x70b8, 2356 "Command completed with read and write data underrun " 2357 "thread_id=%d\n", thread_id); 2358 rval = EXT_STATUS_DATA_UNDERRUN; 2359 break; 2360 2361 case CS_BIDIR_DMA: 2362 ql_dbg(ql_dbg_user, vha, 0x70b9, 2363 "Command completed with data DMA error thread_id=%d\n", 2364 thread_id); 2365 rval = EXT_STATUS_DMA_ERR; 2366 break; 2367 2368 case CS_TIMEOUT: 2369 ql_dbg(ql_dbg_user, vha, 0x70ba, 2370 "Command completed with timeout thread_id=%d\n", 2371 thread_id); 2372 rval = EXT_STATUS_TIMEOUT; 2373 break; 2374 default: 2375 ql_dbg(ql_dbg_user, vha, 0x70bb, 2376 "Command completed with completion status=0x%x " 2377 "thread_id=%d\n", comp_status, thread_id); 2378 rval = EXT_STATUS_ERR; 2379 break; 2380 } 2381 bsg_reply->reply_payload_rcv_len = 0; 2382 2383 done: 2384 /* Return the vendor specific reply to API */ 2385 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 2386 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2387 /* Always return DID_OK, bsg will send the vendor specific response 2388 * in this case only */ 2389 sp->done(sp, DID_OK << 16); 2390 2391 } 2392 2393 /** 2394 * qla2x00_status_entry() - Process a Status IOCB entry. 2395 * @vha: SCSI driver HA context 2396 * @rsp: response queue 2397 * @pkt: Entry pointer 2398 */ 2399 static void 2400 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2401 { 2402 srb_t *sp; 2403 fc_port_t *fcport; 2404 struct scsi_cmnd *cp; 2405 sts_entry_t *sts = pkt; 2406 struct sts_entry_24xx *sts24 = pkt; 2407 uint16_t comp_status; 2408 uint16_t scsi_status; 2409 uint16_t ox_id; 2410 uint8_t lscsi_status; 2411 int32_t resid; 2412 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2413 fw_resid_len; 2414 uint8_t *rsp_info, *sense_data; 2415 struct qla_hw_data *ha = vha->hw; 2416 uint32_t handle; 2417 uint16_t que; 2418 struct req_que *req; 2419 int logit = 1; 2420 int res = 0; 2421 uint16_t state_flags = 0; 2422 uint16_t retry_delay = 0; 2423 2424 if (IS_FWI2_CAPABLE(ha)) { 2425 comp_status = le16_to_cpu(sts24->comp_status); 2426 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2427 state_flags = le16_to_cpu(sts24->state_flags); 2428 } else { 2429 comp_status = le16_to_cpu(sts->comp_status); 2430 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2431 } 2432 handle = (uint32_t) LSW(sts->handle); 2433 que = MSW(sts->handle); 2434 req = ha->req_q_map[que]; 2435 2436 /* Check for invalid queue pointer */ 2437 if (req == NULL || 2438 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 2439 ql_dbg(ql_dbg_io, vha, 0x3059, 2440 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 2441 "que=%u.\n", sts->handle, req, que); 2442 return; 2443 } 2444 2445 /* Validate handle. */ 2446 if (handle < req->num_outstanding_cmds) { 2447 sp = req->outstanding_cmds[handle]; 2448 if (!sp) { 2449 ql_dbg(ql_dbg_io, vha, 0x3075, 2450 "%s(%ld): Already returned command for status handle (0x%x).\n", 2451 __func__, vha->host_no, sts->handle); 2452 return; 2453 } 2454 } else { 2455 ql_dbg(ql_dbg_io, vha, 0x3017, 2456 "Invalid status handle, out of range (0x%x).\n", 2457 sts->handle); 2458 2459 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 2460 if (IS_P3P_TYPE(ha)) 2461 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2462 else 2463 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2464 qla2xxx_wake_dpc(vha); 2465 } 2466 return; 2467 } 2468 2469 if (sp->cmd_type != TYPE_SRB) { 2470 req->outstanding_cmds[handle] = NULL; 2471 ql_dbg(ql_dbg_io, vha, 0x3015, 2472 "Unknown sp->cmd_type %x %p).\n", 2473 sp->cmd_type, sp); 2474 return; 2475 } 2476 2477 /* NVME completion. */ 2478 if (sp->type == SRB_NVME_CMD) { 2479 req->outstanding_cmds[handle] = NULL; 2480 qla24xx_nvme_iocb_entry(vha, req, pkt, sp); 2481 return; 2482 } 2483 2484 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 2485 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 2486 return; 2487 } 2488 2489 /* Task Management completion. */ 2490 if (sp->type == SRB_TM_CMD) { 2491 qla24xx_tm_iocb_entry(vha, req, pkt); 2492 return; 2493 } 2494 2495 /* Fast path completion. */ 2496 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2497 qla2x00_process_completed_request(vha, req, handle); 2498 2499 return; 2500 } 2501 2502 req->outstanding_cmds[handle] = NULL; 2503 cp = GET_CMD_SP(sp); 2504 if (cp == NULL) { 2505 ql_dbg(ql_dbg_io, vha, 0x3018, 2506 "Command already returned (0x%x/%p).\n", 2507 sts->handle, sp); 2508 2509 return; 2510 } 2511 2512 lscsi_status = scsi_status & STATUS_MASK; 2513 2514 fcport = sp->fcport; 2515 2516 ox_id = 0; 2517 sense_len = par_sense_len = rsp_info_len = resid_len = 2518 fw_resid_len = 0; 2519 if (IS_FWI2_CAPABLE(ha)) { 2520 if (scsi_status & SS_SENSE_LEN_VALID) 2521 sense_len = le32_to_cpu(sts24->sense_len); 2522 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2523 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 2524 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 2525 resid_len = le32_to_cpu(sts24->rsp_residual_count); 2526 if (comp_status == CS_DATA_UNDERRUN) 2527 fw_resid_len = le32_to_cpu(sts24->residual_len); 2528 rsp_info = sts24->data; 2529 sense_data = sts24->data; 2530 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 2531 ox_id = le16_to_cpu(sts24->ox_id); 2532 par_sense_len = sizeof(sts24->data); 2533 /* Valid values of the retry delay timer are 0x1-0xffef */ 2534 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) { 2535 retry_delay = sts24->retry_delay & 0x3fff; 2536 ql_dbg(ql_dbg_io, sp->vha, 0x3033, 2537 "%s: scope=%#x retry_delay=%#x\n", __func__, 2538 sts24->retry_delay >> 14, retry_delay); 2539 } 2540 } else { 2541 if (scsi_status & SS_SENSE_LEN_VALID) 2542 sense_len = le16_to_cpu(sts->req_sense_length); 2543 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2544 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 2545 resid_len = le32_to_cpu(sts->residual_length); 2546 rsp_info = sts->rsp_info; 2547 sense_data = sts->req_sense_data; 2548 par_sense_len = sizeof(sts->req_sense_data); 2549 } 2550 2551 /* Check for any FCP transport errors. */ 2552 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 2553 /* Sense data lies beyond any FCP RESPONSE data. */ 2554 if (IS_FWI2_CAPABLE(ha)) { 2555 sense_data += rsp_info_len; 2556 par_sense_len -= rsp_info_len; 2557 } 2558 if (rsp_info_len > 3 && rsp_info[3]) { 2559 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 2560 "FCP I/O protocol failure (0x%x/0x%x).\n", 2561 rsp_info_len, rsp_info[3]); 2562 2563 res = DID_BUS_BUSY << 16; 2564 goto out; 2565 } 2566 } 2567 2568 /* Check for overrun. */ 2569 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2570 scsi_status & SS_RESIDUAL_OVER) 2571 comp_status = CS_DATA_OVERRUN; 2572 2573 /* 2574 * Check retry_delay_timer value if we receive a busy or 2575 * queue full. 2576 */ 2577 if (lscsi_status == SAM_STAT_TASK_SET_FULL || 2578 lscsi_status == SAM_STAT_BUSY) 2579 qla2x00_set_retry_delay_timestamp(fcport, retry_delay); 2580 2581 /* 2582 * Based on Host and scsi status generate status code for Linux 2583 */ 2584 switch (comp_status) { 2585 case CS_COMPLETE: 2586 case CS_QUEUE_FULL: 2587 if (scsi_status == 0) { 2588 res = DID_OK << 16; 2589 break; 2590 } 2591 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2592 resid = resid_len; 2593 scsi_set_resid(cp, resid); 2594 2595 if (!lscsi_status && 2596 ((unsigned)(scsi_bufflen(cp) - resid) < 2597 cp->underflow)) { 2598 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2599 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2600 resid, scsi_bufflen(cp)); 2601 2602 res = DID_ERROR << 16; 2603 break; 2604 } 2605 } 2606 res = DID_OK << 16 | lscsi_status; 2607 2608 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2609 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2610 "QUEUE FULL detected.\n"); 2611 break; 2612 } 2613 logit = 0; 2614 if (lscsi_status != SS_CHECK_CONDITION) 2615 break; 2616 2617 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2618 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2619 break; 2620 2621 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2622 rsp, res); 2623 break; 2624 2625 case CS_DATA_UNDERRUN: 2626 /* Use F/W calculated residual length. */ 2627 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2628 scsi_set_resid(cp, resid); 2629 if (scsi_status & SS_RESIDUAL_UNDER) { 2630 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2631 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2632 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2633 resid, scsi_bufflen(cp)); 2634 2635 res = DID_ERROR << 16 | lscsi_status; 2636 goto check_scsi_status; 2637 } 2638 2639 if (!lscsi_status && 2640 ((unsigned)(scsi_bufflen(cp) - resid) < 2641 cp->underflow)) { 2642 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2643 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2644 resid, scsi_bufflen(cp)); 2645 2646 res = DID_ERROR << 16; 2647 break; 2648 } 2649 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2650 lscsi_status != SAM_STAT_BUSY) { 2651 /* 2652 * scsi status of task set and busy are considered to be 2653 * task not completed. 2654 */ 2655 2656 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2657 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2658 resid, scsi_bufflen(cp)); 2659 2660 res = DID_ERROR << 16 | lscsi_status; 2661 goto check_scsi_status; 2662 } else { 2663 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2664 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2665 scsi_status, lscsi_status); 2666 } 2667 2668 res = DID_OK << 16 | lscsi_status; 2669 logit = 0; 2670 2671 check_scsi_status: 2672 /* 2673 * Check to see if SCSI Status is non zero. If so report SCSI 2674 * Status. 2675 */ 2676 if (lscsi_status != 0) { 2677 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2678 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2679 "QUEUE FULL detected.\n"); 2680 logit = 1; 2681 break; 2682 } 2683 if (lscsi_status != SS_CHECK_CONDITION) 2684 break; 2685 2686 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2687 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2688 break; 2689 2690 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2691 sense_len, rsp, res); 2692 } 2693 break; 2694 2695 case CS_PORT_LOGGED_OUT: 2696 case CS_PORT_CONFIG_CHG: 2697 case CS_PORT_BUSY: 2698 case CS_INCOMPLETE: 2699 case CS_PORT_UNAVAILABLE: 2700 case CS_TIMEOUT: 2701 case CS_RESET: 2702 2703 /* 2704 * We are going to have the fc class block the rport 2705 * while we try to recover so instruct the mid layer 2706 * to requeue until the class decides how to handle this. 2707 */ 2708 res = DID_TRANSPORT_DISRUPTED << 16; 2709 2710 if (comp_status == CS_TIMEOUT) { 2711 if (IS_FWI2_CAPABLE(ha)) 2712 break; 2713 else if ((le16_to_cpu(sts->status_flags) & 2714 SF_LOGOUT_SENT) == 0) 2715 break; 2716 } 2717 2718 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2719 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2720 "Port to be marked lost on fcport=%02x%02x%02x, current " 2721 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 2722 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2723 port_state_str[FCS_ONLINE], 2724 comp_status); 2725 2726 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 2727 qlt_schedule_sess_for_deletion(fcport); 2728 } 2729 2730 break; 2731 2732 case CS_ABORTED: 2733 res = DID_RESET << 16; 2734 break; 2735 2736 case CS_DIF_ERROR: 2737 logit = qla2x00_handle_dif_error(sp, sts24); 2738 res = cp->result; 2739 break; 2740 2741 case CS_TRANSPORT: 2742 res = DID_ERROR << 16; 2743 2744 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2745 break; 2746 2747 if (state_flags & BIT_4) 2748 scmd_printk(KERN_WARNING, cp, 2749 "Unsupported device '%s' found.\n", 2750 cp->device->vendor); 2751 break; 2752 2753 case CS_DMA: 2754 ql_log(ql_log_info, fcport->vha, 0x3022, 2755 "CS_DMA error: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu portid=%06x oxid=0x%x cdb=%10phN len=0x%x rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 2756 comp_status, scsi_status, res, vha->host_no, 2757 cp->device->id, cp->device->lun, fcport->d_id.b24, 2758 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2759 resid_len, fw_resid_len, sp, cp); 2760 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee, 2761 pkt, sizeof(*sts24)); 2762 res = DID_ERROR << 16; 2763 break; 2764 default: 2765 res = DID_ERROR << 16; 2766 break; 2767 } 2768 2769 out: 2770 if (logit) 2771 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 2772 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 2773 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " 2774 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 2775 comp_status, scsi_status, res, vha->host_no, 2776 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 2777 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 2778 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2779 resid_len, fw_resid_len, sp, cp); 2780 2781 if (rsp->status_srb == NULL) 2782 sp->done(sp, res); 2783 } 2784 2785 /** 2786 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 2787 * @rsp: response queue 2788 * @pkt: Entry pointer 2789 * 2790 * Extended sense data. 2791 */ 2792 static void 2793 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2794 { 2795 uint8_t sense_sz = 0; 2796 struct qla_hw_data *ha = rsp->hw; 2797 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2798 srb_t *sp = rsp->status_srb; 2799 struct scsi_cmnd *cp; 2800 uint32_t sense_len; 2801 uint8_t *sense_ptr; 2802 2803 if (!sp || !GET_CMD_SENSE_LEN(sp)) 2804 return; 2805 2806 sense_len = GET_CMD_SENSE_LEN(sp); 2807 sense_ptr = GET_CMD_SENSE_PTR(sp); 2808 2809 cp = GET_CMD_SP(sp); 2810 if (cp == NULL) { 2811 ql_log(ql_log_warn, vha, 0x3025, 2812 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2813 2814 rsp->status_srb = NULL; 2815 return; 2816 } 2817 2818 if (sense_len > sizeof(pkt->data)) 2819 sense_sz = sizeof(pkt->data); 2820 else 2821 sense_sz = sense_len; 2822 2823 /* Move sense data. */ 2824 if (IS_FWI2_CAPABLE(ha)) 2825 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 2826 memcpy(sense_ptr, pkt->data, sense_sz); 2827 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 2828 sense_ptr, sense_sz); 2829 2830 sense_len -= sense_sz; 2831 sense_ptr += sense_sz; 2832 2833 SET_CMD_SENSE_PTR(sp, sense_ptr); 2834 SET_CMD_SENSE_LEN(sp, sense_len); 2835 2836 /* Place command on done queue. */ 2837 if (sense_len == 0) { 2838 rsp->status_srb = NULL; 2839 sp->done(sp, cp->result); 2840 } 2841 } 2842 2843 /** 2844 * qla2x00_error_entry() - Process an error entry. 2845 * @vha: SCSI driver HA context 2846 * @rsp: response queue 2847 * @pkt: Entry pointer 2848 * return : 1=allow further error analysis. 0=no additional error analysis. 2849 */ 2850 static int 2851 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 2852 { 2853 srb_t *sp; 2854 struct qla_hw_data *ha = vha->hw; 2855 const char func[] = "ERROR-IOCB"; 2856 uint16_t que = MSW(pkt->handle); 2857 struct req_que *req = NULL; 2858 int res = DID_ERROR << 16; 2859 2860 ql_dbg(ql_dbg_async, vha, 0x502a, 2861 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", 2862 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); 2863 2864 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 2865 goto fatal; 2866 2867 req = ha->req_q_map[que]; 2868 2869 if (pkt->entry_status & RF_BUSY) 2870 res = DID_BUS_BUSY << 16; 2871 2872 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) 2873 return 0; 2874 2875 switch (pkt->entry_type) { 2876 case NOTIFY_ACK_TYPE: 2877 case STATUS_TYPE: 2878 case STATUS_CONT_TYPE: 2879 case LOGINOUT_PORT_IOCB_TYPE: 2880 case CT_IOCB_TYPE: 2881 case ELS_IOCB_TYPE: 2882 case ABORT_IOCB_TYPE: 2883 case MBX_IOCB_TYPE: 2884 default: 2885 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2886 if (sp) { 2887 sp->done(sp, res); 2888 return 0; 2889 } 2890 break; 2891 2892 case ABTS_RESP_24XX: 2893 case CTIO_TYPE7: 2894 case CTIO_CRC2: 2895 return 1; 2896 } 2897 fatal: 2898 ql_log(ql_log_warn, vha, 0x5030, 2899 "Error entry - invalid handle/queue (%04x).\n", que); 2900 return 0; 2901 } 2902 2903 /** 2904 * qla24xx_mbx_completion() - Process mailbox command completions. 2905 * @vha: SCSI driver HA context 2906 * @mb0: Mailbox0 register 2907 */ 2908 static void 2909 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2910 { 2911 uint16_t cnt; 2912 uint32_t mboxes; 2913 uint16_t __iomem *wptr; 2914 struct qla_hw_data *ha = vha->hw; 2915 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2916 2917 /* Read all mbox registers? */ 2918 WARN_ON_ONCE(ha->mbx_count > 32); 2919 mboxes = (1ULL << ha->mbx_count) - 1; 2920 if (!ha->mcp) 2921 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 2922 else 2923 mboxes = ha->mcp->in_mb; 2924 2925 /* Load return mailbox registers. */ 2926 ha->flags.mbox_int = 1; 2927 ha->mailbox_out[0] = mb0; 2928 mboxes >>= 1; 2929 wptr = (uint16_t __iomem *)®->mailbox1; 2930 2931 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2932 if (mboxes & BIT_0) 2933 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2934 2935 mboxes >>= 1; 2936 wptr++; 2937 } 2938 } 2939 2940 static void 2941 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2942 struct abort_entry_24xx *pkt) 2943 { 2944 const char func[] = "ABT_IOCB"; 2945 srb_t *sp; 2946 struct srb_iocb *abt; 2947 2948 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2949 if (!sp) 2950 return; 2951 2952 abt = &sp->u.iocb_cmd; 2953 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle); 2954 sp->done(sp, 0); 2955 } 2956 2957 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, 2958 struct pt_ls4_request *pkt, struct req_que *req) 2959 { 2960 srb_t *sp; 2961 const char func[] = "LS4_IOCB"; 2962 uint16_t comp_status; 2963 2964 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2965 if (!sp) 2966 return; 2967 2968 comp_status = le16_to_cpu(pkt->status); 2969 sp->done(sp, comp_status); 2970 } 2971 2972 /** 2973 * qla24xx_process_response_queue() - Process response queue entries. 2974 * @vha: SCSI driver HA context 2975 * @rsp: response queue 2976 */ 2977 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 2978 struct rsp_que *rsp) 2979 { 2980 struct sts_entry_24xx *pkt; 2981 struct qla_hw_data *ha = vha->hw; 2982 2983 if (!ha->flags.fw_started) 2984 return; 2985 2986 if (rsp->qpair->cpuid != smp_processor_id()) 2987 qla_cpu_update(rsp->qpair, smp_processor_id()); 2988 2989 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2990 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 2991 2992 rsp->ring_index++; 2993 if (rsp->ring_index == rsp->length) { 2994 rsp->ring_index = 0; 2995 rsp->ring_ptr = rsp->ring; 2996 } else { 2997 rsp->ring_ptr++; 2998 } 2999 3000 if (pkt->entry_status != 0) { 3001 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) 3002 goto process_err; 3003 3004 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3005 wmb(); 3006 continue; 3007 } 3008 process_err: 3009 3010 switch (pkt->entry_type) { 3011 case STATUS_TYPE: 3012 qla2x00_status_entry(vha, rsp, pkt); 3013 break; 3014 case STATUS_CONT_TYPE: 3015 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 3016 break; 3017 case VP_RPT_ID_IOCB_TYPE: 3018 qla24xx_report_id_acquisition(vha, 3019 (struct vp_rpt_id_entry_24xx *)pkt); 3020 break; 3021 case LOGINOUT_PORT_IOCB_TYPE: 3022 qla24xx_logio_entry(vha, rsp->req, 3023 (struct logio_entry_24xx *)pkt); 3024 break; 3025 case CT_IOCB_TYPE: 3026 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 3027 break; 3028 case ELS_IOCB_TYPE: 3029 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 3030 break; 3031 case ABTS_RECV_24XX: 3032 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || 3033 IS_QLA28XX(ha)) { 3034 /* ensure that the ATIO queue is empty */ 3035 qlt_handle_abts_recv(vha, rsp, 3036 (response_t *)pkt); 3037 break; 3038 } else { 3039 qlt_24xx_process_atio_queue(vha, 1); 3040 } 3041 /* fall through */ 3042 case ABTS_RESP_24XX: 3043 case CTIO_TYPE7: 3044 case CTIO_CRC2: 3045 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); 3046 break; 3047 case PT_LS4_REQUEST: 3048 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, 3049 rsp->req); 3050 break; 3051 case NOTIFY_ACK_TYPE: 3052 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 3053 qlt_response_pkt_all_vps(vha, rsp, 3054 (response_t *)pkt); 3055 else 3056 qla24xxx_nack_iocb_entry(vha, rsp->req, 3057 (struct nack_to_isp *)pkt); 3058 break; 3059 case MARKER_TYPE: 3060 /* Do nothing in this case, this check is to prevent it 3061 * from falling into default case 3062 */ 3063 break; 3064 case ABORT_IOCB_TYPE: 3065 qla24xx_abort_iocb_entry(vha, rsp->req, 3066 (struct abort_entry_24xx *)pkt); 3067 break; 3068 case MBX_IOCB_TYPE: 3069 qla24xx_mbx_iocb_entry(vha, rsp->req, 3070 (struct mbx_24xx_entry *)pkt); 3071 break; 3072 case VP_CTRL_IOCB_TYPE: 3073 qla_ctrlvp_completed(vha, rsp->req, 3074 (struct vp_ctrl_entry_24xx *)pkt); 3075 break; 3076 default: 3077 /* Type Not Supported. */ 3078 ql_dbg(ql_dbg_async, vha, 0x5042, 3079 "Received unknown response pkt type %x " 3080 "entry status=%x.\n", 3081 pkt->entry_type, pkt->entry_status); 3082 break; 3083 } 3084 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3085 wmb(); 3086 } 3087 3088 /* Adjust ring index */ 3089 if (IS_P3P_TYPE(ha)) { 3090 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 3091 3092 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 3093 } else { 3094 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 3095 } 3096 } 3097 3098 static void 3099 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 3100 { 3101 int rval; 3102 uint32_t cnt; 3103 struct qla_hw_data *ha = vha->hw; 3104 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3105 3106 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 3107 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3108 return; 3109 3110 rval = QLA_SUCCESS; 3111 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 3112 RD_REG_DWORD(®->iobase_addr); 3113 WRT_REG_DWORD(®->iobase_window, 0x0001); 3114 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3115 rval == QLA_SUCCESS; cnt--) { 3116 if (cnt) { 3117 WRT_REG_DWORD(®->iobase_window, 0x0001); 3118 udelay(10); 3119 } else 3120 rval = QLA_FUNCTION_TIMEOUT; 3121 } 3122 if (rval == QLA_SUCCESS) 3123 goto next_test; 3124 3125 rval = QLA_SUCCESS; 3126 WRT_REG_DWORD(®->iobase_window, 0x0003); 3127 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3128 rval == QLA_SUCCESS; cnt--) { 3129 if (cnt) { 3130 WRT_REG_DWORD(®->iobase_window, 0x0003); 3131 udelay(10); 3132 } else 3133 rval = QLA_FUNCTION_TIMEOUT; 3134 } 3135 if (rval != QLA_SUCCESS) 3136 goto done; 3137 3138 next_test: 3139 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 3140 ql_log(ql_log_info, vha, 0x504c, 3141 "Additional code -- 0x55AA.\n"); 3142 3143 done: 3144 WRT_REG_DWORD(®->iobase_window, 0x0000); 3145 RD_REG_DWORD(®->iobase_window); 3146 } 3147 3148 /** 3149 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 3150 * @irq: interrupt number 3151 * @dev_id: SCSI driver HA context 3152 * 3153 * Called by system whenever the host adapter generates an interrupt. 3154 * 3155 * Returns handled flag. 3156 */ 3157 irqreturn_t 3158 qla24xx_intr_handler(int irq, void *dev_id) 3159 { 3160 scsi_qla_host_t *vha; 3161 struct qla_hw_data *ha; 3162 struct device_reg_24xx __iomem *reg; 3163 int status; 3164 unsigned long iter; 3165 uint32_t stat; 3166 uint32_t hccr; 3167 uint16_t mb[8]; 3168 struct rsp_que *rsp; 3169 unsigned long flags; 3170 bool process_atio = false; 3171 3172 rsp = (struct rsp_que *) dev_id; 3173 if (!rsp) { 3174 ql_log(ql_log_info, NULL, 0x5059, 3175 "%s: NULL response queue pointer.\n", __func__); 3176 return IRQ_NONE; 3177 } 3178 3179 ha = rsp->hw; 3180 reg = &ha->iobase->isp24; 3181 status = 0; 3182 3183 if (unlikely(pci_channel_offline(ha->pdev))) 3184 return IRQ_HANDLED; 3185 3186 spin_lock_irqsave(&ha->hardware_lock, flags); 3187 vha = pci_get_drvdata(ha->pdev); 3188 for (iter = 50; iter--; ) { 3189 stat = RD_REG_DWORD(®->host_status); 3190 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3191 break; 3192 if (stat & HSRX_RISC_PAUSED) { 3193 if (unlikely(pci_channel_offline(ha->pdev))) 3194 break; 3195 3196 hccr = RD_REG_DWORD(®->hccr); 3197 3198 ql_log(ql_log_warn, vha, 0x504b, 3199 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3200 hccr); 3201 3202 qla2xxx_check_risc_status(vha); 3203 3204 ha->isp_ops->fw_dump(vha, 1); 3205 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3206 break; 3207 } else if ((stat & HSRX_RISC_INT) == 0) 3208 break; 3209 3210 switch (stat & 0xff) { 3211 case INTR_ROM_MB_SUCCESS: 3212 case INTR_ROM_MB_FAILED: 3213 case INTR_MB_SUCCESS: 3214 case INTR_MB_FAILED: 3215 qla24xx_mbx_completion(vha, MSW(stat)); 3216 status |= MBX_INTERRUPT; 3217 3218 break; 3219 case INTR_ASYNC_EVENT: 3220 mb[0] = MSW(stat); 3221 mb[1] = RD_REG_WORD(®->mailbox1); 3222 mb[2] = RD_REG_WORD(®->mailbox2); 3223 mb[3] = RD_REG_WORD(®->mailbox3); 3224 qla2x00_async_event(vha, rsp, mb); 3225 break; 3226 case INTR_RSP_QUE_UPDATE: 3227 case INTR_RSP_QUE_UPDATE_83XX: 3228 qla24xx_process_response_queue(vha, rsp); 3229 break; 3230 case INTR_ATIO_QUE_UPDATE_27XX: 3231 case INTR_ATIO_QUE_UPDATE: 3232 process_atio = true; 3233 break; 3234 case INTR_ATIO_RSP_QUE_UPDATE: 3235 process_atio = true; 3236 qla24xx_process_response_queue(vha, rsp); 3237 break; 3238 default: 3239 ql_dbg(ql_dbg_async, vha, 0x504f, 3240 "Unrecognized interrupt type (%d).\n", stat * 0xff); 3241 break; 3242 } 3243 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3244 RD_REG_DWORD_RELAXED(®->hccr); 3245 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 3246 ndelay(3500); 3247 } 3248 qla2x00_handle_mbx_completion(ha, status); 3249 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3250 3251 if (process_atio) { 3252 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 3253 qlt_24xx_process_atio_queue(vha, 0); 3254 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 3255 } 3256 3257 return IRQ_HANDLED; 3258 } 3259 3260 static irqreturn_t 3261 qla24xx_msix_rsp_q(int irq, void *dev_id) 3262 { 3263 struct qla_hw_data *ha; 3264 struct rsp_que *rsp; 3265 struct device_reg_24xx __iomem *reg; 3266 struct scsi_qla_host *vha; 3267 unsigned long flags; 3268 3269 rsp = (struct rsp_que *) dev_id; 3270 if (!rsp) { 3271 ql_log(ql_log_info, NULL, 0x505a, 3272 "%s: NULL response queue pointer.\n", __func__); 3273 return IRQ_NONE; 3274 } 3275 ha = rsp->hw; 3276 reg = &ha->iobase->isp24; 3277 3278 spin_lock_irqsave(&ha->hardware_lock, flags); 3279 3280 vha = pci_get_drvdata(ha->pdev); 3281 qla24xx_process_response_queue(vha, rsp); 3282 if (!ha->flags.disable_msix_handshake) { 3283 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3284 RD_REG_DWORD_RELAXED(®->hccr); 3285 } 3286 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3287 3288 return IRQ_HANDLED; 3289 } 3290 3291 static irqreturn_t 3292 qla24xx_msix_default(int irq, void *dev_id) 3293 { 3294 scsi_qla_host_t *vha; 3295 struct qla_hw_data *ha; 3296 struct rsp_que *rsp; 3297 struct device_reg_24xx __iomem *reg; 3298 int status; 3299 uint32_t stat; 3300 uint32_t hccr; 3301 uint16_t mb[8]; 3302 unsigned long flags; 3303 bool process_atio = false; 3304 3305 rsp = (struct rsp_que *) dev_id; 3306 if (!rsp) { 3307 ql_log(ql_log_info, NULL, 0x505c, 3308 "%s: NULL response queue pointer.\n", __func__); 3309 return IRQ_NONE; 3310 } 3311 ha = rsp->hw; 3312 reg = &ha->iobase->isp24; 3313 status = 0; 3314 3315 spin_lock_irqsave(&ha->hardware_lock, flags); 3316 vha = pci_get_drvdata(ha->pdev); 3317 do { 3318 stat = RD_REG_DWORD(®->host_status); 3319 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3320 break; 3321 if (stat & HSRX_RISC_PAUSED) { 3322 if (unlikely(pci_channel_offline(ha->pdev))) 3323 break; 3324 3325 hccr = RD_REG_DWORD(®->hccr); 3326 3327 ql_log(ql_log_info, vha, 0x5050, 3328 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3329 hccr); 3330 3331 qla2xxx_check_risc_status(vha); 3332 3333 ha->isp_ops->fw_dump(vha, 1); 3334 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3335 break; 3336 } else if ((stat & HSRX_RISC_INT) == 0) 3337 break; 3338 3339 switch (stat & 0xff) { 3340 case INTR_ROM_MB_SUCCESS: 3341 case INTR_ROM_MB_FAILED: 3342 case INTR_MB_SUCCESS: 3343 case INTR_MB_FAILED: 3344 qla24xx_mbx_completion(vha, MSW(stat)); 3345 status |= MBX_INTERRUPT; 3346 3347 break; 3348 case INTR_ASYNC_EVENT: 3349 mb[0] = MSW(stat); 3350 mb[1] = RD_REG_WORD(®->mailbox1); 3351 mb[2] = RD_REG_WORD(®->mailbox2); 3352 mb[3] = RD_REG_WORD(®->mailbox3); 3353 qla2x00_async_event(vha, rsp, mb); 3354 break; 3355 case INTR_RSP_QUE_UPDATE: 3356 case INTR_RSP_QUE_UPDATE_83XX: 3357 qla24xx_process_response_queue(vha, rsp); 3358 break; 3359 case INTR_ATIO_QUE_UPDATE_27XX: 3360 case INTR_ATIO_QUE_UPDATE: 3361 process_atio = true; 3362 break; 3363 case INTR_ATIO_RSP_QUE_UPDATE: 3364 process_atio = true; 3365 qla24xx_process_response_queue(vha, rsp); 3366 break; 3367 default: 3368 ql_dbg(ql_dbg_async, vha, 0x5051, 3369 "Unrecognized interrupt type (%d).\n", stat & 0xff); 3370 break; 3371 } 3372 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3373 } while (0); 3374 qla2x00_handle_mbx_completion(ha, status); 3375 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3376 3377 if (process_atio) { 3378 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 3379 qlt_24xx_process_atio_queue(vha, 0); 3380 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 3381 } 3382 3383 return IRQ_HANDLED; 3384 } 3385 3386 irqreturn_t 3387 qla2xxx_msix_rsp_q(int irq, void *dev_id) 3388 { 3389 struct qla_hw_data *ha; 3390 struct qla_qpair *qpair; 3391 struct device_reg_24xx __iomem *reg; 3392 unsigned long flags; 3393 3394 qpair = dev_id; 3395 if (!qpair) { 3396 ql_log(ql_log_info, NULL, 0x505b, 3397 "%s: NULL response queue pointer.\n", __func__); 3398 return IRQ_NONE; 3399 } 3400 ha = qpair->hw; 3401 3402 /* Clear the interrupt, if enabled, for this response queue */ 3403 if (unlikely(!ha->flags.disable_msix_handshake)) { 3404 reg = &ha->iobase->isp24; 3405 spin_lock_irqsave(&ha->hardware_lock, flags); 3406 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3407 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3408 } 3409 3410 queue_work(ha->wq, &qpair->q_work); 3411 3412 return IRQ_HANDLED; 3413 } 3414 3415 /* Interrupt handling helpers. */ 3416 3417 struct qla_init_msix_entry { 3418 const char *name; 3419 irq_handler_t handler; 3420 }; 3421 3422 static const struct qla_init_msix_entry msix_entries[] = { 3423 { "default", qla24xx_msix_default }, 3424 { "rsp_q", qla24xx_msix_rsp_q }, 3425 { "atio_q", qla83xx_msix_atio_q }, 3426 { "qpair_multiq", qla2xxx_msix_rsp_q }, 3427 }; 3428 3429 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 3430 { "qla2xxx (default)", qla82xx_msix_default }, 3431 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 3432 }; 3433 3434 static int 3435 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 3436 { 3437 int i, ret; 3438 struct qla_msix_entry *qentry; 3439 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3440 int min_vecs = QLA_BASE_VECTORS; 3441 struct irq_affinity desc = { 3442 .pre_vectors = QLA_BASE_VECTORS, 3443 }; 3444 3445 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3446 IS_ATIO_MSIX_CAPABLE(ha)) { 3447 desc.pre_vectors++; 3448 min_vecs++; 3449 } 3450 3451 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) { 3452 /* user wants to control IRQ setting for target mode */ 3453 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, 3454 ha->msix_count, PCI_IRQ_MSIX); 3455 } else 3456 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 3457 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 3458 &desc); 3459 3460 if (ret < 0) { 3461 ql_log(ql_log_fatal, vha, 0x00c7, 3462 "MSI-X: Failed to enable support, " 3463 "giving up -- %d/%d.\n", 3464 ha->msix_count, ret); 3465 goto msix_out; 3466 } else if (ret < ha->msix_count) { 3467 ql_log(ql_log_info, vha, 0x00c6, 3468 "MSI-X: Using %d vectors\n", ret); 3469 ha->msix_count = ret; 3470 /* Recalculate queue values */ 3471 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { 3472 ha->max_req_queues = ha->msix_count - 1; 3473 3474 /* ATIOQ needs 1 vector. That's 1 less QPair */ 3475 if (QLA_TGT_MODE_ENABLED()) 3476 ha->max_req_queues--; 3477 3478 ha->max_rsp_queues = ha->max_req_queues; 3479 3480 ha->max_qpairs = ha->max_req_queues - 1; 3481 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 3482 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 3483 } 3484 } 3485 vha->irq_offset = desc.pre_vectors; 3486 ha->msix_entries = kcalloc(ha->msix_count, 3487 sizeof(struct qla_msix_entry), 3488 GFP_KERNEL); 3489 if (!ha->msix_entries) { 3490 ql_log(ql_log_fatal, vha, 0x00c8, 3491 "Failed to allocate memory for ha->msix_entries.\n"); 3492 ret = -ENOMEM; 3493 goto free_irqs; 3494 } 3495 ha->flags.msix_enabled = 1; 3496 3497 for (i = 0; i < ha->msix_count; i++) { 3498 qentry = &ha->msix_entries[i]; 3499 qentry->vector = pci_irq_vector(ha->pdev, i); 3500 qentry->entry = i; 3501 qentry->have_irq = 0; 3502 qentry->in_use = 0; 3503 qentry->handle = NULL; 3504 } 3505 3506 /* Enable MSI-X vectors for the base queue */ 3507 for (i = 0; i < QLA_BASE_VECTORS; i++) { 3508 qentry = &ha->msix_entries[i]; 3509 qentry->handle = rsp; 3510 rsp->msix = qentry; 3511 scnprintf(qentry->name, sizeof(qentry->name), 3512 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); 3513 if (IS_P3P_TYPE(ha)) 3514 ret = request_irq(qentry->vector, 3515 qla82xx_msix_entries[i].handler, 3516 0, qla82xx_msix_entries[i].name, rsp); 3517 else 3518 ret = request_irq(qentry->vector, 3519 msix_entries[i].handler, 3520 0, qentry->name, rsp); 3521 if (ret) 3522 goto msix_register_fail; 3523 qentry->have_irq = 1; 3524 qentry->in_use = 1; 3525 } 3526 3527 /* 3528 * If target mode is enable, also request the vector for the ATIO 3529 * queue. 3530 */ 3531 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3532 IS_ATIO_MSIX_CAPABLE(ha)) { 3533 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 3534 rsp->msix = qentry; 3535 qentry->handle = rsp; 3536 scnprintf(qentry->name, sizeof(qentry->name), 3537 "qla2xxx%lu_%s", vha->host_no, 3538 msix_entries[QLA_ATIO_VECTOR].name); 3539 qentry->in_use = 1; 3540 ret = request_irq(qentry->vector, 3541 msix_entries[QLA_ATIO_VECTOR].handler, 3542 0, qentry->name, rsp); 3543 qentry->have_irq = 1; 3544 } 3545 3546 msix_register_fail: 3547 if (ret) { 3548 ql_log(ql_log_fatal, vha, 0x00cb, 3549 "MSI-X: unable to register handler -- %x/%d.\n", 3550 qentry->vector, ret); 3551 qla2x00_free_irqs(vha); 3552 ha->mqenable = 0; 3553 goto msix_out; 3554 } 3555 3556 /* Enable MSI-X vector for response queue update for queue 0 */ 3557 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 3558 if (ha->msixbase && ha->mqiobase && 3559 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3560 ql2xmqsupport)) 3561 ha->mqenable = 1; 3562 } else 3563 if (ha->mqiobase && 3564 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3565 ql2xmqsupport)) 3566 ha->mqenable = 1; 3567 ql_dbg(ql_dbg_multiq, vha, 0xc005, 3568 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3569 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3570 ql_dbg(ql_dbg_init, vha, 0x0055, 3571 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3572 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3573 3574 msix_out: 3575 return ret; 3576 3577 free_irqs: 3578 pci_free_irq_vectors(ha->pdev); 3579 goto msix_out; 3580 } 3581 3582 int 3583 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 3584 { 3585 int ret = QLA_FUNCTION_FAILED; 3586 device_reg_t *reg = ha->iobase; 3587 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3588 3589 /* If possible, enable MSI-X. */ 3590 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && 3591 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && 3592 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))) 3593 goto skip_msi; 3594 3595 if (ql2xenablemsix == 2) 3596 goto skip_msix; 3597 3598 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 3599 (ha->pdev->subsystem_device == 0x7040 || 3600 ha->pdev->subsystem_device == 0x7041 || 3601 ha->pdev->subsystem_device == 0x1705)) { 3602 ql_log(ql_log_warn, vha, 0x0034, 3603 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 3604 ha->pdev->subsystem_vendor, 3605 ha->pdev->subsystem_device); 3606 goto skip_msi; 3607 } 3608 3609 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 3610 ql_log(ql_log_warn, vha, 0x0035, 3611 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 3612 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 3613 goto skip_msix; 3614 } 3615 3616 ret = qla24xx_enable_msix(ha, rsp); 3617 if (!ret) { 3618 ql_dbg(ql_dbg_init, vha, 0x0036, 3619 "MSI-X: Enabled (0x%X, 0x%X).\n", 3620 ha->chip_revision, ha->fw_attributes); 3621 goto clear_risc_ints; 3622 } 3623 3624 skip_msix: 3625 3626 ql_log(ql_log_info, vha, 0x0037, 3627 "Falling back-to MSI mode -%d.\n", ret); 3628 3629 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3630 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 3631 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3632 goto skip_msi; 3633 3634 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 3635 if (!ret) { 3636 ql_dbg(ql_dbg_init, vha, 0x0038, 3637 "MSI: Enabled.\n"); 3638 ha->flags.msi_enabled = 1; 3639 } else 3640 ql_log(ql_log_warn, vha, 0x0039, 3641 "Falling back-to INTa mode -- %d.\n", ret); 3642 skip_msi: 3643 3644 /* Skip INTx on ISP82xx. */ 3645 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 3646 return QLA_FUNCTION_FAILED; 3647 3648 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 3649 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 3650 QLA2XXX_DRIVER_NAME, rsp); 3651 if (ret) { 3652 ql_log(ql_log_warn, vha, 0x003a, 3653 "Failed to reserve interrupt %d already in use.\n", 3654 ha->pdev->irq); 3655 goto fail; 3656 } else if (!ha->flags.msi_enabled) { 3657 ql_dbg(ql_dbg_init, vha, 0x0125, 3658 "INTa mode: Enabled.\n"); 3659 ha->flags.mr_intr_valid = 1; 3660 } 3661 3662 clear_risc_ints: 3663 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 3664 goto fail; 3665 3666 spin_lock_irq(&ha->hardware_lock); 3667 WRT_REG_WORD(®->isp.semaphore, 0); 3668 spin_unlock_irq(&ha->hardware_lock); 3669 3670 fail: 3671 return ret; 3672 } 3673 3674 void 3675 qla2x00_free_irqs(scsi_qla_host_t *vha) 3676 { 3677 struct qla_hw_data *ha = vha->hw; 3678 struct rsp_que *rsp; 3679 struct qla_msix_entry *qentry; 3680 int i; 3681 3682 /* 3683 * We need to check that ha->rsp_q_map is valid in case we are called 3684 * from a probe failure context. 3685 */ 3686 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 3687 goto free_irqs; 3688 rsp = ha->rsp_q_map[0]; 3689 3690 if (ha->flags.msix_enabled) { 3691 for (i = 0; i < ha->msix_count; i++) { 3692 qentry = &ha->msix_entries[i]; 3693 if (qentry->have_irq) { 3694 irq_set_affinity_notifier(qentry->vector, NULL); 3695 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 3696 } 3697 } 3698 kfree(ha->msix_entries); 3699 ha->msix_entries = NULL; 3700 ha->flags.msix_enabled = 0; 3701 ql_dbg(ql_dbg_init, vha, 0x0042, 3702 "Disabled MSI-X.\n"); 3703 } else { 3704 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 3705 } 3706 3707 free_irqs: 3708 pci_free_irq_vectors(ha->pdev); 3709 } 3710 3711 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 3712 struct qla_msix_entry *msix, int vector_type) 3713 { 3714 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 3715 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3716 int ret; 3717 3718 scnprintf(msix->name, sizeof(msix->name), 3719 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 3720 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 3721 if (ret) { 3722 ql_log(ql_log_fatal, vha, 0x00e6, 3723 "MSI-X: Unable to register handler -- %x/%d.\n", 3724 msix->vector, ret); 3725 return ret; 3726 } 3727 msix->have_irq = 1; 3728 msix->handle = qpair; 3729 return ret; 3730 } 3731