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 ha->isp_ops->fw_dump(vha, 1); 780 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 781 break; 782 783 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 784 ha->flags.lip_ae = 1; 785 786 ql_dbg(ql_dbg_async, vha, 0x5009, 787 "LIP occurred (%x).\n", mb[1]); 788 789 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 790 atomic_set(&vha->loop_state, LOOP_DOWN); 791 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 792 qla2x00_mark_all_devices_lost(vha, 1); 793 } 794 795 if (vha->vp_idx) { 796 atomic_set(&vha->vp_state, VP_FAILED); 797 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 798 } 799 800 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 801 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 802 803 vha->flags.management_server_logged_in = 0; 804 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 805 break; 806 807 case MBA_LOOP_UP: /* Loop Up Event */ 808 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 809 ha->link_data_rate = PORT_SPEED_1GB; 810 else 811 ha->link_data_rate = mb[1]; 812 813 ql_log(ql_log_info, vha, 0x500a, 814 "LOOP UP detected (%s Gbps).\n", 815 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 816 817 vha->flags.management_server_logged_in = 0; 818 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 819 820 if (AUTO_DETECT_SFP_SUPPORT(vha)) { 821 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); 822 qla2xxx_wake_dpc(vha); 823 } 824 break; 825 826 case MBA_LOOP_DOWN: /* Loop Down Event */ 827 SAVE_TOPO(ha); 828 ha->flags.lip_ae = 0; 829 ha->current_topology = 0; 830 831 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 832 ? RD_REG_WORD(®24->mailbox4) : 0; 833 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) 834 : mbx; 835 ql_log(ql_log_info, vha, 0x500b, 836 "LOOP DOWN detected (%x %x %x %x).\n", 837 mb[1], mb[2], mb[3], mbx); 838 839 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 840 atomic_set(&vha->loop_state, LOOP_DOWN); 841 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 842 /* 843 * In case of loop down, restore WWPN from 844 * NVRAM in case of FA-WWPN capable ISP 845 * Restore for Physical Port only 846 */ 847 if (!vha->vp_idx) { 848 if (ha->flags.fawwpn_enabled && 849 (ha->current_topology == ISP_CFG_F)) { 850 void *wwpn = ha->init_cb->port_name; 851 852 memcpy(vha->port_name, wwpn, WWN_SIZE); 853 fc_host_port_name(vha->host) = 854 wwn_to_u64(vha->port_name); 855 ql_dbg(ql_dbg_init + ql_dbg_verbose, 856 vha, 0x00d8, "LOOP DOWN detected," 857 "restore WWPN %016llx\n", 858 wwn_to_u64(vha->port_name)); 859 } 860 861 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 862 } 863 864 vha->device_flags |= DFLG_NO_CABLE; 865 qla2x00_mark_all_devices_lost(vha, 1); 866 } 867 868 if (vha->vp_idx) { 869 atomic_set(&vha->vp_state, VP_FAILED); 870 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 871 } 872 873 vha->flags.management_server_logged_in = 0; 874 ha->link_data_rate = PORT_SPEED_UNKNOWN; 875 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 876 break; 877 878 case MBA_LIP_RESET: /* LIP reset occurred */ 879 ql_dbg(ql_dbg_async, vha, 0x500c, 880 "LIP reset occurred (%x).\n", mb[1]); 881 882 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 883 atomic_set(&vha->loop_state, LOOP_DOWN); 884 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 885 qla2x00_mark_all_devices_lost(vha, 1); 886 } 887 888 if (vha->vp_idx) { 889 atomic_set(&vha->vp_state, VP_FAILED); 890 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 891 } 892 893 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 894 895 ha->operating_mode = LOOP; 896 vha->flags.management_server_logged_in = 0; 897 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 898 break; 899 900 /* case MBA_DCBX_COMPLETE: */ 901 case MBA_POINT_TO_POINT: /* Point-to-Point */ 902 ha->flags.lip_ae = 0; 903 904 if (IS_QLA2100(ha)) 905 break; 906 907 if (IS_CNA_CAPABLE(ha)) { 908 ql_dbg(ql_dbg_async, vha, 0x500d, 909 "DCBX Completed -- %04x %04x %04x.\n", 910 mb[1], mb[2], mb[3]); 911 if (ha->notify_dcbx_comp && !vha->vp_idx) 912 complete(&ha->dcbx_comp); 913 914 } else 915 ql_dbg(ql_dbg_async, vha, 0x500e, 916 "Asynchronous P2P MODE received.\n"); 917 918 /* 919 * Until there's a transition from loop down to loop up, treat 920 * this as loop down only. 921 */ 922 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 923 atomic_set(&vha->loop_state, LOOP_DOWN); 924 if (!atomic_read(&vha->loop_down_timer)) 925 atomic_set(&vha->loop_down_timer, 926 LOOP_DOWN_TIME); 927 if (!N2N_TOPO(ha)) 928 qla2x00_mark_all_devices_lost(vha, 1); 929 } 930 931 if (vha->vp_idx) { 932 atomic_set(&vha->vp_state, VP_FAILED); 933 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 934 } 935 936 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 937 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 938 939 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 940 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 941 942 vha->flags.management_server_logged_in = 0; 943 break; 944 945 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 946 if (IS_QLA2100(ha)) 947 break; 948 949 ql_dbg(ql_dbg_async, vha, 0x500f, 950 "Configuration change detected: value=%x.\n", mb[1]); 951 952 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 953 atomic_set(&vha->loop_state, LOOP_DOWN); 954 if (!atomic_read(&vha->loop_down_timer)) 955 atomic_set(&vha->loop_down_timer, 956 LOOP_DOWN_TIME); 957 qla2x00_mark_all_devices_lost(vha, 1); 958 } 959 960 if (vha->vp_idx) { 961 atomic_set(&vha->vp_state, VP_FAILED); 962 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 963 } 964 965 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 966 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 967 break; 968 969 case MBA_PORT_UPDATE: /* Port database update */ 970 /* 971 * Handle only global and vn-port update events 972 * 973 * Relevant inputs: 974 * mb[1] = N_Port handle of changed port 975 * OR 0xffff for global event 976 * mb[2] = New login state 977 * 7 = Port logged out 978 * mb[3] = LSB is vp_idx, 0xff = all vps 979 * 980 * Skip processing if: 981 * Event is global, vp_idx is NOT all vps, 982 * vp_idx does not match 983 * Event is not global, vp_idx does not match 984 */ 985 if (IS_QLA2XXX_MIDTYPE(ha) && 986 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 987 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 988 break; 989 990 if (mb[2] == 0x7) { 991 ql_dbg(ql_dbg_async, vha, 0x5010, 992 "Port %s %04x %04x %04x.\n", 993 mb[1] == 0xffff ? "unavailable" : "logout", 994 mb[1], mb[2], mb[3]); 995 996 if (mb[1] == 0xffff) 997 goto global_port_update; 998 999 if (mb[1] == NPH_SNS_LID(ha)) { 1000 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1001 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1002 break; 1003 } 1004 1005 /* use handle_cnt for loop id/nport handle */ 1006 if (IS_FWI2_CAPABLE(ha)) 1007 handle_cnt = NPH_SNS; 1008 else 1009 handle_cnt = SIMPLE_NAME_SERVER; 1010 if (mb[1] == handle_cnt) { 1011 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1012 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1013 break; 1014 } 1015 1016 /* Port logout */ 1017 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); 1018 if (!fcport) 1019 break; 1020 if (atomic_read(&fcport->state) != FCS_ONLINE) 1021 break; 1022 ql_dbg(ql_dbg_async, vha, 0x508a, 1023 "Marking port lost loopid=%04x portid=%06x.\n", 1024 fcport->loop_id, fcport->d_id.b24); 1025 if (qla_ini_mode_enabled(vha)) { 1026 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 1027 fcport->logout_on_delete = 0; 1028 qlt_schedule_sess_for_deletion(fcport); 1029 } 1030 break; 1031 1032 global_port_update: 1033 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1034 atomic_set(&vha->loop_state, LOOP_DOWN); 1035 atomic_set(&vha->loop_down_timer, 1036 LOOP_DOWN_TIME); 1037 vha->device_flags |= DFLG_NO_CABLE; 1038 qla2x00_mark_all_devices_lost(vha, 1); 1039 } 1040 1041 if (vha->vp_idx) { 1042 atomic_set(&vha->vp_state, VP_FAILED); 1043 fc_vport_set_state(vha->fc_vport, 1044 FC_VPORT_FAILED); 1045 qla2x00_mark_all_devices_lost(vha, 1); 1046 } 1047 1048 vha->flags.management_server_logged_in = 0; 1049 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1050 break; 1051 } 1052 1053 /* 1054 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 1055 * event etc. earlier indicating loop is down) then process 1056 * it. Otherwise ignore it and Wait for RSCN to come in. 1057 */ 1058 atomic_set(&vha->loop_down_timer, 0); 1059 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 1060 !ha->flags.n2n_ae && 1061 atomic_read(&vha->loop_state) != LOOP_DEAD) { 1062 ql_dbg(ql_dbg_async, vha, 0x5011, 1063 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 1064 mb[1], mb[2], mb[3]); 1065 1066 qlt_async_event(mb[0], vha, mb); 1067 break; 1068 } 1069 1070 ql_dbg(ql_dbg_async, vha, 0x5012, 1071 "Port database changed %04x %04x %04x.\n", 1072 mb[1], mb[2], mb[3]); 1073 1074 /* 1075 * Mark all devices as missing so we will login again. 1076 */ 1077 atomic_set(&vha->loop_state, LOOP_UP); 1078 vha->scan.scan_retry = 0; 1079 1080 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1081 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1082 set_bit(VP_CONFIG_OK, &vha->vp_flags); 1083 1084 qlt_async_event(mb[0], vha, mb); 1085 break; 1086 1087 case MBA_RSCN_UPDATE: /* State Change Registration */ 1088 /* Check if the Vport has issued a SCR */ 1089 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 1090 break; 1091 /* Only handle SCNs for our Vport index. */ 1092 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 1093 break; 1094 1095 ql_dbg(ql_dbg_async, vha, 0x5013, 1096 "RSCN database changed -- %04x %04x %04x.\n", 1097 mb[1], mb[2], mb[3]); 1098 1099 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 1100 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 1101 | vha->d_id.b.al_pa; 1102 if (rscn_entry == host_pid) { 1103 ql_dbg(ql_dbg_async, vha, 0x5014, 1104 "Ignoring RSCN update to local host " 1105 "port ID (%06x).\n", host_pid); 1106 break; 1107 } 1108 1109 /* Ignore reserved bits from RSCN-payload. */ 1110 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 1111 1112 /* Skip RSCNs for virtual ports on the same physical port */ 1113 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 1114 break; 1115 1116 atomic_set(&vha->loop_down_timer, 0); 1117 vha->flags.management_server_logged_in = 0; 1118 { 1119 struct event_arg ea; 1120 1121 memset(&ea, 0, sizeof(ea)); 1122 ea.event = FCME_RSCN; 1123 ea.id.b24 = rscn_entry; 1124 ea.id.b.rsvd_1 = rscn_entry >> 24; 1125 qla2x00_fcport_event_handler(vha, &ea); 1126 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1127 } 1128 break; 1129 /* case MBA_RIO_RESPONSE: */ 1130 case MBA_ZIO_RESPONSE: 1131 ql_dbg(ql_dbg_async, vha, 0x5015, 1132 "[R|Z]IO update completion.\n"); 1133 1134 if (IS_FWI2_CAPABLE(ha)) 1135 qla24xx_process_response_queue(vha, rsp); 1136 else 1137 qla2x00_process_response_queue(rsp); 1138 break; 1139 1140 case MBA_DISCARD_RND_FRAME: 1141 ql_dbg(ql_dbg_async, vha, 0x5016, 1142 "Discard RND Frame -- %04x %04x %04x.\n", 1143 mb[1], mb[2], mb[3]); 1144 break; 1145 1146 case MBA_TRACE_NOTIFICATION: 1147 ql_dbg(ql_dbg_async, vha, 0x5017, 1148 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1149 break; 1150 1151 case MBA_ISP84XX_ALERT: 1152 ql_dbg(ql_dbg_async, vha, 0x5018, 1153 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1154 mb[1], mb[2], mb[3]); 1155 1156 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1157 switch (mb[1]) { 1158 case A84_PANIC_RECOVERY: 1159 ql_log(ql_log_info, vha, 0x5019, 1160 "Alert 84XX: panic recovery %04x %04x.\n", 1161 mb[2], mb[3]); 1162 break; 1163 case A84_OP_LOGIN_COMPLETE: 1164 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1165 ql_log(ql_log_info, vha, 0x501a, 1166 "Alert 84XX: firmware version %x.\n", 1167 ha->cs84xx->op_fw_version); 1168 break; 1169 case A84_DIAG_LOGIN_COMPLETE: 1170 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1171 ql_log(ql_log_info, vha, 0x501b, 1172 "Alert 84XX: diagnostic firmware version %x.\n", 1173 ha->cs84xx->diag_fw_version); 1174 break; 1175 case A84_GOLD_LOGIN_COMPLETE: 1176 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1177 ha->cs84xx->fw_update = 1; 1178 ql_log(ql_log_info, vha, 0x501c, 1179 "Alert 84XX: gold firmware version %x.\n", 1180 ha->cs84xx->gold_fw_version); 1181 break; 1182 default: 1183 ql_log(ql_log_warn, vha, 0x501d, 1184 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1185 mb[1], mb[2], mb[3]); 1186 } 1187 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1188 break; 1189 case MBA_DCBX_START: 1190 ql_dbg(ql_dbg_async, vha, 0x501e, 1191 "DCBX Started -- %04x %04x %04x.\n", 1192 mb[1], mb[2], mb[3]); 1193 break; 1194 case MBA_DCBX_PARAM_UPDATE: 1195 ql_dbg(ql_dbg_async, vha, 0x501f, 1196 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1197 mb[1], mb[2], mb[3]); 1198 break; 1199 case MBA_FCF_CONF_ERR: 1200 ql_dbg(ql_dbg_async, vha, 0x5020, 1201 "FCF Configuration Error -- %04x %04x %04x.\n", 1202 mb[1], mb[2], mb[3]); 1203 break; 1204 case MBA_IDC_NOTIFY: 1205 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1206 mb[4] = RD_REG_WORD(®24->mailbox4); 1207 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1208 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1209 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1210 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1211 /* 1212 * Extend loop down timer since port is active. 1213 */ 1214 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1215 atomic_set(&vha->loop_down_timer, 1216 LOOP_DOWN_TIME); 1217 qla2xxx_wake_dpc(vha); 1218 } 1219 } 1220 /* fall through */ 1221 case MBA_IDC_COMPLETE: 1222 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1223 complete(&ha->lb_portup_comp); 1224 /* Fallthru */ 1225 case MBA_IDC_TIME_EXT: 1226 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1227 IS_QLA8044(ha)) 1228 qla81xx_idc_event(vha, mb[0], mb[1]); 1229 break; 1230 1231 case MBA_IDC_AEN: 1232 mb[4] = RD_REG_WORD(®24->mailbox4); 1233 mb[5] = RD_REG_WORD(®24->mailbox5); 1234 mb[6] = RD_REG_WORD(®24->mailbox6); 1235 mb[7] = RD_REG_WORD(®24->mailbox7); 1236 qla83xx_handle_8200_aen(vha, mb); 1237 break; 1238 1239 case MBA_DPORT_DIAGNOSTICS: 1240 ql_dbg(ql_dbg_async, vha, 0x5052, 1241 "D-Port Diagnostics: %04x result=%s\n", 1242 mb[0], 1243 mb[1] == 0 ? "start" : 1244 mb[1] == 1 ? "done (pass)" : 1245 mb[1] == 2 ? "done (error)" : "other"); 1246 break; 1247 1248 case MBA_TEMPERATURE_ALERT: 1249 ql_dbg(ql_dbg_async, vha, 0x505e, 1250 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); 1251 if (mb[1] == 0x12) 1252 schedule_work(&ha->board_disable); 1253 break; 1254 1255 case MBA_TRANS_INSERT: 1256 ql_dbg(ql_dbg_async, vha, 0x5091, 1257 "Transceiver Insertion: %04x\n", mb[1]); 1258 break; 1259 1260 default: 1261 ql_dbg(ql_dbg_async, vha, 0x5057, 1262 "Unknown AEN:%04x %04x %04x %04x\n", 1263 mb[0], mb[1], mb[2], mb[3]); 1264 } 1265 1266 qlt_async_event(mb[0], vha, mb); 1267 1268 if (!vha->vp_idx && ha->num_vhosts) 1269 qla2x00_alert_all_vps(rsp, mb); 1270 } 1271 1272 /** 1273 * qla2x00_process_completed_request() - Process a Fast Post response. 1274 * @vha: SCSI driver HA context 1275 * @req: request queue 1276 * @index: SRB index 1277 */ 1278 void 1279 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1280 struct req_que *req, uint32_t index) 1281 { 1282 srb_t *sp; 1283 struct qla_hw_data *ha = vha->hw; 1284 1285 /* Validate handle. */ 1286 if (index >= req->num_outstanding_cmds) { 1287 ql_log(ql_log_warn, vha, 0x3014, 1288 "Invalid SCSI command index (%x).\n", index); 1289 1290 if (IS_P3P_TYPE(ha)) 1291 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1292 else 1293 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1294 return; 1295 } 1296 1297 sp = req->outstanding_cmds[index]; 1298 if (sp) { 1299 /* Free outstanding command slot. */ 1300 req->outstanding_cmds[index] = NULL; 1301 1302 /* Save ISP completion status */ 1303 sp->done(sp, DID_OK << 16); 1304 } else { 1305 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1306 1307 if (IS_P3P_TYPE(ha)) 1308 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1309 else 1310 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1311 } 1312 } 1313 1314 srb_t * 1315 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1316 struct req_que *req, void *iocb) 1317 { 1318 struct qla_hw_data *ha = vha->hw; 1319 sts_entry_t *pkt = iocb; 1320 srb_t *sp = NULL; 1321 uint16_t index; 1322 1323 index = LSW(pkt->handle); 1324 if (index >= req->num_outstanding_cmds) { 1325 ql_log(ql_log_warn, vha, 0x5031, 1326 "Invalid command index (%x) type %8ph.\n", 1327 index, iocb); 1328 if (IS_P3P_TYPE(ha)) 1329 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1330 else 1331 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1332 goto done; 1333 } 1334 sp = req->outstanding_cmds[index]; 1335 if (!sp) { 1336 ql_log(ql_log_warn, vha, 0x5032, 1337 "Invalid completion handle (%x) -- timed-out.\n", index); 1338 return sp; 1339 } 1340 if (sp->handle != index) { 1341 ql_log(ql_log_warn, vha, 0x5033, 1342 "SRB handle (%x) mismatch %x.\n", sp->handle, index); 1343 return NULL; 1344 } 1345 1346 req->outstanding_cmds[index] = NULL; 1347 1348 done: 1349 return sp; 1350 } 1351 1352 static void 1353 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1354 struct mbx_entry *mbx) 1355 { 1356 const char func[] = "MBX-IOCB"; 1357 const char *type; 1358 fc_port_t *fcport; 1359 srb_t *sp; 1360 struct srb_iocb *lio; 1361 uint16_t *data; 1362 uint16_t status; 1363 1364 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1365 if (!sp) 1366 return; 1367 1368 lio = &sp->u.iocb_cmd; 1369 type = sp->name; 1370 fcport = sp->fcport; 1371 data = lio->u.logio.data; 1372 1373 data[0] = MBS_COMMAND_ERROR; 1374 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1375 QLA_LOGIO_LOGIN_RETRIED : 0; 1376 if (mbx->entry_status) { 1377 ql_dbg(ql_dbg_async, vha, 0x5043, 1378 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1379 "entry-status=%x status=%x state-flag=%x " 1380 "status-flags=%x.\n", type, sp->handle, 1381 fcport->d_id.b.domain, fcport->d_id.b.area, 1382 fcport->d_id.b.al_pa, mbx->entry_status, 1383 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1384 le16_to_cpu(mbx->status_flags)); 1385 1386 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1387 mbx, sizeof(*mbx)); 1388 1389 goto logio_done; 1390 } 1391 1392 status = le16_to_cpu(mbx->status); 1393 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1394 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1395 status = 0; 1396 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1397 ql_dbg(ql_dbg_async, vha, 0x5045, 1398 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1399 type, sp->handle, fcport->d_id.b.domain, 1400 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1401 le16_to_cpu(mbx->mb1)); 1402 1403 data[0] = MBS_COMMAND_COMPLETE; 1404 if (sp->type == SRB_LOGIN_CMD) { 1405 fcport->port_type = FCT_TARGET; 1406 if (le16_to_cpu(mbx->mb1) & BIT_0) 1407 fcport->port_type = FCT_INITIATOR; 1408 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1409 fcport->flags |= FCF_FCP2_DEVICE; 1410 } 1411 goto logio_done; 1412 } 1413 1414 data[0] = le16_to_cpu(mbx->mb0); 1415 switch (data[0]) { 1416 case MBS_PORT_ID_USED: 1417 data[1] = le16_to_cpu(mbx->mb1); 1418 break; 1419 case MBS_LOOP_ID_USED: 1420 break; 1421 default: 1422 data[0] = MBS_COMMAND_ERROR; 1423 break; 1424 } 1425 1426 ql_log(ql_log_warn, vha, 0x5046, 1427 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1428 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1429 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1430 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1431 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1432 le16_to_cpu(mbx->mb7)); 1433 1434 logio_done: 1435 sp->done(sp, 0); 1436 } 1437 1438 static void 1439 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1440 struct mbx_24xx_entry *pkt) 1441 { 1442 const char func[] = "MBX-IOCB2"; 1443 srb_t *sp; 1444 struct srb_iocb *si; 1445 u16 sz, i; 1446 int res; 1447 1448 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1449 if (!sp) 1450 return; 1451 1452 si = &sp->u.iocb_cmd; 1453 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); 1454 1455 for (i = 0; i < sz; i++) 1456 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]); 1457 1458 res = (si->u.mbx.in_mb[0] & MBS_MASK); 1459 1460 sp->done(sp, res); 1461 } 1462 1463 static void 1464 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1465 struct nack_to_isp *pkt) 1466 { 1467 const char func[] = "nack"; 1468 srb_t *sp; 1469 int res = 0; 1470 1471 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1472 if (!sp) 1473 return; 1474 1475 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) 1476 res = QLA_FUNCTION_FAILED; 1477 1478 sp->done(sp, res); 1479 } 1480 1481 static void 1482 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1483 sts_entry_t *pkt, int iocb_type) 1484 { 1485 const char func[] = "CT_IOCB"; 1486 const char *type; 1487 srb_t *sp; 1488 struct bsg_job *bsg_job; 1489 struct fc_bsg_reply *bsg_reply; 1490 uint16_t comp_status; 1491 int res = 0; 1492 1493 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1494 if (!sp) 1495 return; 1496 1497 switch (sp->type) { 1498 case SRB_CT_CMD: 1499 bsg_job = sp->u.bsg_job; 1500 bsg_reply = bsg_job->reply; 1501 1502 type = "ct pass-through"; 1503 1504 comp_status = le16_to_cpu(pkt->comp_status); 1505 1506 /* 1507 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1508 * fc payload to the caller 1509 */ 1510 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1511 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1512 1513 if (comp_status != CS_COMPLETE) { 1514 if (comp_status == CS_DATA_UNDERRUN) { 1515 res = DID_OK << 16; 1516 bsg_reply->reply_payload_rcv_len = 1517 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); 1518 1519 ql_log(ql_log_warn, vha, 0x5048, 1520 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", 1521 type, comp_status, 1522 bsg_reply->reply_payload_rcv_len); 1523 } else { 1524 ql_log(ql_log_warn, vha, 0x5049, 1525 "CT pass-through-%s error comp_status=0x%x.\n", 1526 type, comp_status); 1527 res = DID_ERROR << 16; 1528 bsg_reply->reply_payload_rcv_len = 0; 1529 } 1530 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 1531 pkt, sizeof(*pkt)); 1532 } else { 1533 res = DID_OK << 16; 1534 bsg_reply->reply_payload_rcv_len = 1535 bsg_job->reply_payload.payload_len; 1536 bsg_job->reply_len = 0; 1537 } 1538 break; 1539 case SRB_CT_PTHRU_CMD: 1540 /* 1541 * borrowing sts_entry_24xx.comp_status. 1542 * same location as ct_entry_24xx.comp_status 1543 */ 1544 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 1545 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1546 sp->name); 1547 break; 1548 } 1549 1550 sp->done(sp, res); 1551 } 1552 1553 static void 1554 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1555 struct sts_entry_24xx *pkt, int iocb_type) 1556 { 1557 const char func[] = "ELS_CT_IOCB"; 1558 const char *type; 1559 srb_t *sp; 1560 struct bsg_job *bsg_job; 1561 struct fc_bsg_reply *bsg_reply; 1562 uint16_t comp_status; 1563 uint32_t fw_status[3]; 1564 int res; 1565 struct srb_iocb *els; 1566 1567 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1568 if (!sp) 1569 return; 1570 1571 type = NULL; 1572 switch (sp->type) { 1573 case SRB_ELS_CMD_RPT: 1574 case SRB_ELS_CMD_HST: 1575 type = "els"; 1576 break; 1577 case SRB_CT_CMD: 1578 type = "ct pass-through"; 1579 break; 1580 case SRB_ELS_DCMD: 1581 type = "Driver ELS logo"; 1582 if (iocb_type != ELS_IOCB_TYPE) { 1583 ql_dbg(ql_dbg_user, vha, 0x5047, 1584 "Completing %s: (%p) type=%d.\n", 1585 type, sp, sp->type); 1586 sp->done(sp, 0); 1587 return; 1588 } 1589 break; 1590 case SRB_CT_PTHRU_CMD: 1591 /* borrowing sts_entry_24xx.comp_status. 1592 same location as ct_entry_24xx.comp_status 1593 */ 1594 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt, 1595 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1596 sp->name); 1597 sp->done(sp, res); 1598 return; 1599 default: 1600 ql_dbg(ql_dbg_user, vha, 0x503e, 1601 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 1602 return; 1603 } 1604 1605 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 1606 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1); 1607 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2); 1608 1609 if (iocb_type == ELS_IOCB_TYPE) { 1610 els = &sp->u.iocb_cmd; 1611 els->u.els_plogi.fw_status[0] = fw_status[0]; 1612 els->u.els_plogi.fw_status[1] = fw_status[1]; 1613 els->u.els_plogi.fw_status[2] = fw_status[2]; 1614 els->u.els_plogi.comp_status = fw_status[0]; 1615 if (comp_status == CS_COMPLETE) { 1616 res = DID_OK << 16; 1617 } else { 1618 if (comp_status == CS_DATA_UNDERRUN) { 1619 res = DID_OK << 16; 1620 els->u.els_plogi.len = 1621 le16_to_cpu(((struct els_sts_entry_24xx *) 1622 pkt)->total_byte_count); 1623 } else { 1624 els->u.els_plogi.len = 0; 1625 res = DID_ERROR << 16; 1626 } 1627 } 1628 ql_dbg(ql_dbg_user, vha, 0x503f, 1629 "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", 1630 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1631 le16_to_cpu(((struct els_sts_entry_24xx *) 1632 pkt)->total_byte_count)); 1633 goto els_ct_done; 1634 } 1635 1636 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1637 * fc payload to the caller 1638 */ 1639 bsg_job = sp->u.bsg_job; 1640 bsg_reply = bsg_job->reply; 1641 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1642 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 1643 1644 if (comp_status != CS_COMPLETE) { 1645 if (comp_status == CS_DATA_UNDERRUN) { 1646 res = DID_OK << 16; 1647 bsg_reply->reply_payload_rcv_len = 1648 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); 1649 1650 ql_dbg(ql_dbg_user, vha, 0x503f, 1651 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1652 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 1653 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1654 le16_to_cpu(((struct els_sts_entry_24xx *) 1655 pkt)->total_byte_count)); 1656 } else { 1657 ql_dbg(ql_dbg_user, vha, 0x5040, 1658 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1659 "error subcode 1=0x%x error subcode 2=0x%x.\n", 1660 type, sp->handle, comp_status, 1661 le16_to_cpu(((struct els_sts_entry_24xx *) 1662 pkt)->error_subcode_1), 1663 le16_to_cpu(((struct els_sts_entry_24xx *) 1664 pkt)->error_subcode_2)); 1665 res = DID_ERROR << 16; 1666 bsg_reply->reply_payload_rcv_len = 0; 1667 } 1668 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), 1669 fw_status, sizeof(fw_status)); 1670 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 1671 pkt, sizeof(*pkt)); 1672 } 1673 else { 1674 res = DID_OK << 16; 1675 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 1676 bsg_job->reply_len = 0; 1677 } 1678 els_ct_done: 1679 1680 sp->done(sp, res); 1681 } 1682 1683 static void 1684 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 1685 struct logio_entry_24xx *logio) 1686 { 1687 const char func[] = "LOGIO-IOCB"; 1688 const char *type; 1689 fc_port_t *fcport; 1690 srb_t *sp; 1691 struct srb_iocb *lio; 1692 uint16_t *data; 1693 uint32_t iop[2]; 1694 1695 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 1696 if (!sp) 1697 return; 1698 1699 lio = &sp->u.iocb_cmd; 1700 type = sp->name; 1701 fcport = sp->fcport; 1702 data = lio->u.logio.data; 1703 1704 data[0] = MBS_COMMAND_ERROR; 1705 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1706 QLA_LOGIO_LOGIN_RETRIED : 0; 1707 if (logio->entry_status) { 1708 ql_log(ql_log_warn, fcport->vha, 0x5034, 1709 "Async-%s error entry - %8phC hdl=%x" 1710 "portid=%02x%02x%02x entry-status=%x.\n", 1711 type, fcport->port_name, sp->handle, fcport->d_id.b.domain, 1712 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1713 logio->entry_status); 1714 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 1715 logio, sizeof(*logio)); 1716 1717 goto logio_done; 1718 } 1719 1720 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 1721 ql_dbg(ql_dbg_async, fcport->vha, 0x5036, 1722 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x " 1723 "iop0=%x.\n", type, fcport->port_name, sp->handle, 1724 fcport->d_id.b.domain, 1725 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1726 le32_to_cpu(logio->io_parameter[0])); 1727 1728 vha->hw->exch_starvation = 0; 1729 data[0] = MBS_COMMAND_COMPLETE; 1730 1731 if (sp->type == SRB_PRLI_CMD) { 1732 lio->u.logio.iop[0] = 1733 le32_to_cpu(logio->io_parameter[0]); 1734 lio->u.logio.iop[1] = 1735 le32_to_cpu(logio->io_parameter[1]); 1736 goto logio_done; 1737 } 1738 1739 if (sp->type != SRB_LOGIN_CMD) 1740 goto logio_done; 1741 1742 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1743 if (iop[0] & BIT_4) { 1744 fcport->port_type = FCT_TARGET; 1745 if (iop[0] & BIT_8) 1746 fcport->flags |= FCF_FCP2_DEVICE; 1747 } else if (iop[0] & BIT_5) 1748 fcport->port_type = FCT_INITIATOR; 1749 1750 if (iop[0] & BIT_7) 1751 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 1752 1753 if (logio->io_parameter[7] || logio->io_parameter[8]) 1754 fcport->supported_classes |= FC_COS_CLASS2; 1755 if (logio->io_parameter[9] || logio->io_parameter[10]) 1756 fcport->supported_classes |= FC_COS_CLASS3; 1757 1758 goto logio_done; 1759 } 1760 1761 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1762 iop[1] = le32_to_cpu(logio->io_parameter[1]); 1763 lio->u.logio.iop[0] = iop[0]; 1764 lio->u.logio.iop[1] = iop[1]; 1765 switch (iop[0]) { 1766 case LSC_SCODE_PORTID_USED: 1767 data[0] = MBS_PORT_ID_USED; 1768 data[1] = LSW(iop[1]); 1769 break; 1770 case LSC_SCODE_NPORT_USED: 1771 data[0] = MBS_LOOP_ID_USED; 1772 break; 1773 case LSC_SCODE_CMD_FAILED: 1774 if (iop[1] == 0x0606) { 1775 /* 1776 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, 1777 * Target side acked. 1778 */ 1779 data[0] = MBS_COMMAND_COMPLETE; 1780 goto logio_done; 1781 } 1782 data[0] = MBS_COMMAND_ERROR; 1783 break; 1784 case LSC_SCODE_NOXCB: 1785 vha->hw->exch_starvation++; 1786 if (vha->hw->exch_starvation > 5) { 1787 ql_log(ql_log_warn, vha, 0xd046, 1788 "Exchange starvation. Resetting RISC\n"); 1789 1790 vha->hw->exch_starvation = 0; 1791 1792 if (IS_P3P_TYPE(vha->hw)) 1793 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1794 else 1795 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1796 qla2xxx_wake_dpc(vha); 1797 } 1798 /* fall through */ 1799 default: 1800 data[0] = MBS_COMMAND_ERROR; 1801 break; 1802 } 1803 1804 ql_dbg(ql_dbg_async, fcport->vha, 0x5037, 1805 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x " 1806 "iop0=%x iop1=%x.\n", type, fcport->port_name, 1807 sp->handle, fcport->d_id.b.domain, 1808 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1809 le16_to_cpu(logio->comp_status), 1810 le32_to_cpu(logio->io_parameter[0]), 1811 le32_to_cpu(logio->io_parameter[1])); 1812 1813 logio_done: 1814 sp->done(sp, 0); 1815 } 1816 1817 static void 1818 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 1819 { 1820 const char func[] = "TMF-IOCB"; 1821 const char *type; 1822 fc_port_t *fcport; 1823 srb_t *sp; 1824 struct srb_iocb *iocb; 1825 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1826 1827 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1828 if (!sp) 1829 return; 1830 1831 iocb = &sp->u.iocb_cmd; 1832 type = sp->name; 1833 fcport = sp->fcport; 1834 iocb->u.tmf.data = QLA_SUCCESS; 1835 1836 if (sts->entry_status) { 1837 ql_log(ql_log_warn, fcport->vha, 0x5038, 1838 "Async-%s error - hdl=%x entry-status(%x).\n", 1839 type, sp->handle, sts->entry_status); 1840 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1841 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 1842 ql_log(ql_log_warn, fcport->vha, 0x5039, 1843 "Async-%s error - hdl=%x completion status(%x).\n", 1844 type, sp->handle, sts->comp_status); 1845 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1846 } else if ((le16_to_cpu(sts->scsi_status) & 1847 SS_RESPONSE_INFO_LEN_VALID)) { 1848 if (le32_to_cpu(sts->rsp_data_len) < 4) { 1849 ql_log(ql_log_warn, fcport->vha, 0x503b, 1850 "Async-%s error - hdl=%x not enough response(%d).\n", 1851 type, sp->handle, sts->rsp_data_len); 1852 } else if (sts->data[3]) { 1853 ql_log(ql_log_warn, fcport->vha, 0x503c, 1854 "Async-%s error - hdl=%x response(%x).\n", 1855 type, sp->handle, sts->data[3]); 1856 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1857 } 1858 } 1859 1860 if (iocb->u.tmf.data != QLA_SUCCESS) 1861 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055, 1862 sts, sizeof(*sts)); 1863 1864 sp->done(sp, 0); 1865 } 1866 1867 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1868 void *tsk, srb_t *sp) 1869 { 1870 fc_port_t *fcport; 1871 struct srb_iocb *iocb; 1872 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1873 uint16_t state_flags; 1874 struct nvmefc_fcp_req *fd; 1875 uint16_t ret = QLA_SUCCESS; 1876 uint16_t comp_status = le16_to_cpu(sts->comp_status); 1877 1878 iocb = &sp->u.iocb_cmd; 1879 fcport = sp->fcport; 1880 iocb->u.nvme.comp_status = comp_status; 1881 state_flags = le16_to_cpu(sts->state_flags); 1882 fd = iocb->u.nvme.desc; 1883 1884 if (unlikely(iocb->u.nvme.aen_op)) 1885 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); 1886 1887 /* 1888 * State flags: Bit 6 and 0. 1889 * If 0 is set, we don't care about 6. 1890 * both cases resp was dma'd to host buffer 1891 * if both are 0, that is good path case. 1892 * if six is set and 0 is clear, we need to 1893 * copy resp data from status iocb to resp buffer. 1894 */ 1895 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { 1896 iocb->u.nvme.rsp_pyld_len = 0; 1897 } else if ((state_flags & SF_FCP_RSP_DMA)) { 1898 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1899 } else if (state_flags & SF_NVME_ERSP) { 1900 uint32_t *inbuf, *outbuf; 1901 uint16_t iter; 1902 1903 inbuf = (uint32_t *)&sts->nvme_ersp_data; 1904 outbuf = (uint32_t *)fd->rspaddr; 1905 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1906 iter = iocb->u.nvme.rsp_pyld_len >> 2; 1907 for (; iter; iter--) 1908 *outbuf++ = swab32(*inbuf++); 1909 } else { /* unhandled case */ 1910 ql_log(ql_log_warn, fcport->vha, 0x503a, 1911 "NVME-%s error. Unhandled state_flags of %x\n", 1912 sp->name, state_flags); 1913 } 1914 1915 fd->transferred_length = fd->payload_length - 1916 le32_to_cpu(sts->residual_len); 1917 1918 if (unlikely(comp_status != CS_COMPLETE)) 1919 ql_log(ql_log_warn, fcport->vha, 0x5060, 1920 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n", 1921 sp->name, sp->handle, comp_status, 1922 fd->transferred_length, le32_to_cpu(sts->residual_len), 1923 sts->ox_id); 1924 1925 /* 1926 * If transport error then Failure (HBA rejects request) 1927 * otherwise transport will handle. 1928 */ 1929 switch (comp_status) { 1930 case CS_COMPLETE: 1931 break; 1932 1933 case CS_RESET: 1934 case CS_PORT_UNAVAILABLE: 1935 case CS_PORT_LOGGED_OUT: 1936 fcport->nvme_flag |= NVME_FLAG_RESETTING; 1937 /* fall through */ 1938 case CS_ABORTED: 1939 case CS_PORT_BUSY: 1940 fd->transferred_length = 0; 1941 iocb->u.nvme.rsp_pyld_len = 0; 1942 ret = QLA_ABORTED; 1943 break; 1944 case CS_DATA_UNDERRUN: 1945 break; 1946 default: 1947 ret = QLA_FUNCTION_FAILED; 1948 break; 1949 } 1950 sp->done(sp, ret); 1951 } 1952 1953 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, 1954 struct vp_ctrl_entry_24xx *vce) 1955 { 1956 const char func[] = "CTRLVP-IOCB"; 1957 srb_t *sp; 1958 int rval = QLA_SUCCESS; 1959 1960 sp = qla2x00_get_sp_from_handle(vha, func, req, vce); 1961 if (!sp) 1962 return; 1963 1964 if (vce->entry_status != 0) { 1965 ql_dbg(ql_dbg_vport, vha, 0x10c4, 1966 "%s: Failed to complete IOCB -- error status (%x)\n", 1967 sp->name, vce->entry_status); 1968 rval = QLA_FUNCTION_FAILED; 1969 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { 1970 ql_dbg(ql_dbg_vport, vha, 0x10c5, 1971 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", 1972 sp->name, le16_to_cpu(vce->comp_status), 1973 le16_to_cpu(vce->vp_idx_failed)); 1974 rval = QLA_FUNCTION_FAILED; 1975 } else { 1976 ql_dbg(ql_dbg_vport, vha, 0x10c6, 1977 "Done %s.\n", __func__); 1978 } 1979 1980 sp->rc = rval; 1981 sp->done(sp, rval); 1982 } 1983 1984 /* Process a single response queue entry. */ 1985 static void qla2x00_process_response_entry(struct scsi_qla_host *vha, 1986 struct rsp_que *rsp, 1987 sts_entry_t *pkt) 1988 { 1989 sts21_entry_t *sts21_entry; 1990 sts22_entry_t *sts22_entry; 1991 uint16_t handle_cnt; 1992 uint16_t cnt; 1993 1994 switch (pkt->entry_type) { 1995 case STATUS_TYPE: 1996 qla2x00_status_entry(vha, rsp, pkt); 1997 break; 1998 case STATUS_TYPE_21: 1999 sts21_entry = (sts21_entry_t *)pkt; 2000 handle_cnt = sts21_entry->handle_count; 2001 for (cnt = 0; cnt < handle_cnt; cnt++) 2002 qla2x00_process_completed_request(vha, rsp->req, 2003 sts21_entry->handle[cnt]); 2004 break; 2005 case STATUS_TYPE_22: 2006 sts22_entry = (sts22_entry_t *)pkt; 2007 handle_cnt = sts22_entry->handle_count; 2008 for (cnt = 0; cnt < handle_cnt; cnt++) 2009 qla2x00_process_completed_request(vha, rsp->req, 2010 sts22_entry->handle[cnt]); 2011 break; 2012 case STATUS_CONT_TYPE: 2013 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2014 break; 2015 case MBX_IOCB_TYPE: 2016 qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt); 2017 break; 2018 case CT_IOCB_TYPE: 2019 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2020 break; 2021 default: 2022 /* Type Not Supported. */ 2023 ql_log(ql_log_warn, vha, 0x504a, 2024 "Received unknown response pkt type %x entry status=%x.\n", 2025 pkt->entry_type, pkt->entry_status); 2026 break; 2027 } 2028 } 2029 2030 /** 2031 * qla2x00_process_response_queue() - Process response queue entries. 2032 * @rsp: response queue 2033 */ 2034 void 2035 qla2x00_process_response_queue(struct rsp_que *rsp) 2036 { 2037 struct scsi_qla_host *vha; 2038 struct qla_hw_data *ha = rsp->hw; 2039 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 2040 sts_entry_t *pkt; 2041 2042 vha = pci_get_drvdata(ha->pdev); 2043 2044 if (!vha->flags.online) 2045 return; 2046 2047 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2048 pkt = (sts_entry_t *)rsp->ring_ptr; 2049 2050 rsp->ring_index++; 2051 if (rsp->ring_index == rsp->length) { 2052 rsp->ring_index = 0; 2053 rsp->ring_ptr = rsp->ring; 2054 } else { 2055 rsp->ring_ptr++; 2056 } 2057 2058 if (pkt->entry_status != 0) { 2059 qla2x00_error_entry(vha, rsp, pkt); 2060 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2061 wmb(); 2062 continue; 2063 } 2064 2065 qla2x00_process_response_entry(vha, rsp, pkt); 2066 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2067 wmb(); 2068 } 2069 2070 /* Adjust ring index */ 2071 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 2072 } 2073 2074 static inline void 2075 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2076 uint32_t sense_len, struct rsp_que *rsp, int res) 2077 { 2078 struct scsi_qla_host *vha = sp->vha; 2079 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2080 uint32_t track_sense_len; 2081 2082 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2083 sense_len = SCSI_SENSE_BUFFERSIZE; 2084 2085 SET_CMD_SENSE_LEN(sp, sense_len); 2086 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2087 track_sense_len = sense_len; 2088 2089 if (sense_len > par_sense_len) 2090 sense_len = par_sense_len; 2091 2092 memcpy(cp->sense_buffer, sense_data, sense_len); 2093 2094 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2095 track_sense_len -= sense_len; 2096 SET_CMD_SENSE_LEN(sp, track_sense_len); 2097 2098 if (track_sense_len != 0) { 2099 rsp->status_srb = sp; 2100 cp->result = res; 2101 } 2102 2103 if (sense_len) { 2104 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 2105 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 2106 sp->vha->host_no, cp->device->id, cp->device->lun, 2107 cp); 2108 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 2109 cp->sense_buffer, sense_len); 2110 } 2111 } 2112 2113 struct scsi_dif_tuple { 2114 __be16 guard; /* Checksum */ 2115 __be16 app_tag; /* APPL identifier */ 2116 __be32 ref_tag; /* Target LBA or indirect LBA */ 2117 }; 2118 2119 /* 2120 * Checks the guard or meta-data for the type of error 2121 * detected by the HBA. In case of errors, we set the 2122 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 2123 * to indicate to the kernel that the HBA detected error. 2124 */ 2125 static inline int 2126 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 2127 { 2128 struct scsi_qla_host *vha = sp->vha; 2129 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 2130 uint8_t *ap = &sts24->data[12]; 2131 uint8_t *ep = &sts24->data[20]; 2132 uint32_t e_ref_tag, a_ref_tag; 2133 uint16_t e_app_tag, a_app_tag; 2134 uint16_t e_guard, a_guard; 2135 2136 /* 2137 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 2138 * would make guard field appear at offset 2 2139 */ 2140 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); 2141 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); 2142 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); 2143 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); 2144 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); 2145 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); 2146 2147 ql_dbg(ql_dbg_io, vha, 0x3023, 2148 "iocb(s) %p Returned STATUS.\n", sts24); 2149 2150 ql_dbg(ql_dbg_io, vha, 0x3024, 2151 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 2152 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 2153 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 2154 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 2155 a_app_tag, e_app_tag, a_guard, e_guard); 2156 2157 /* 2158 * Ignore sector if: 2159 * For type 3: ref & app tag is all 'f's 2160 * For type 0,1,2: app tag is all 'f's 2161 */ 2162 if ((a_app_tag == T10_PI_APP_ESCAPE) && 2163 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 2164 (a_ref_tag == T10_PI_REF_ESCAPE))) { 2165 uint32_t blocks_done, resid; 2166 sector_t lba_s = scsi_get_lba(cmd); 2167 2168 /* 2TB boundary case covered automatically with this */ 2169 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 2170 2171 resid = scsi_bufflen(cmd) - (blocks_done * 2172 cmd->device->sector_size); 2173 2174 scsi_set_resid(cmd, resid); 2175 cmd->result = DID_OK << 16; 2176 2177 /* Update protection tag */ 2178 if (scsi_prot_sg_count(cmd)) { 2179 uint32_t i, j = 0, k = 0, num_ent; 2180 struct scatterlist *sg; 2181 struct t10_pi_tuple *spt; 2182 2183 /* Patch the corresponding protection tags */ 2184 scsi_for_each_prot_sg(cmd, sg, 2185 scsi_prot_sg_count(cmd), i) { 2186 num_ent = sg_dma_len(sg) / 8; 2187 if (k + num_ent < blocks_done) { 2188 k += num_ent; 2189 continue; 2190 } 2191 j = blocks_done - k - 1; 2192 k = blocks_done; 2193 break; 2194 } 2195 2196 if (k != blocks_done) { 2197 ql_log(ql_log_warn, vha, 0x302f, 2198 "unexpected tag values tag:lba=%x:%llx)\n", 2199 e_ref_tag, (unsigned long long)lba_s); 2200 return 1; 2201 } 2202 2203 spt = page_address(sg_page(sg)) + sg->offset; 2204 spt += j; 2205 2206 spt->app_tag = T10_PI_APP_ESCAPE; 2207 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 2208 spt->ref_tag = T10_PI_REF_ESCAPE; 2209 } 2210 2211 return 0; 2212 } 2213 2214 /* check guard */ 2215 if (e_guard != a_guard) { 2216 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2217 0x10, 0x1); 2218 set_driver_byte(cmd, DRIVER_SENSE); 2219 set_host_byte(cmd, DID_ABORT); 2220 cmd->result |= SAM_STAT_CHECK_CONDITION; 2221 return 1; 2222 } 2223 2224 /* check ref tag */ 2225 if (e_ref_tag != a_ref_tag) { 2226 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2227 0x10, 0x3); 2228 set_driver_byte(cmd, DRIVER_SENSE); 2229 set_host_byte(cmd, DID_ABORT); 2230 cmd->result |= SAM_STAT_CHECK_CONDITION; 2231 return 1; 2232 } 2233 2234 /* check appl tag */ 2235 if (e_app_tag != a_app_tag) { 2236 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2237 0x10, 0x2); 2238 set_driver_byte(cmd, DRIVER_SENSE); 2239 set_host_byte(cmd, DID_ABORT); 2240 cmd->result |= SAM_STAT_CHECK_CONDITION; 2241 return 1; 2242 } 2243 2244 return 1; 2245 } 2246 2247 static void 2248 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 2249 struct req_que *req, uint32_t index) 2250 { 2251 struct qla_hw_data *ha = vha->hw; 2252 srb_t *sp; 2253 uint16_t comp_status; 2254 uint16_t scsi_status; 2255 uint16_t thread_id; 2256 uint32_t rval = EXT_STATUS_OK; 2257 struct bsg_job *bsg_job = NULL; 2258 struct fc_bsg_request *bsg_request; 2259 struct fc_bsg_reply *bsg_reply; 2260 sts_entry_t *sts; 2261 struct sts_entry_24xx *sts24; 2262 2263 sts = (sts_entry_t *) pkt; 2264 sts24 = (struct sts_entry_24xx *) pkt; 2265 2266 /* Validate handle. */ 2267 if (index >= req->num_outstanding_cmds) { 2268 ql_log(ql_log_warn, vha, 0x70af, 2269 "Invalid SCSI completion handle 0x%x.\n", index); 2270 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2271 return; 2272 } 2273 2274 sp = req->outstanding_cmds[index]; 2275 if (!sp) { 2276 ql_log(ql_log_warn, vha, 0x70b0, 2277 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 2278 req->id, index); 2279 2280 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2281 return; 2282 } 2283 2284 /* Free outstanding command slot. */ 2285 req->outstanding_cmds[index] = NULL; 2286 bsg_job = sp->u.bsg_job; 2287 bsg_request = bsg_job->request; 2288 bsg_reply = bsg_job->reply; 2289 2290 if (IS_FWI2_CAPABLE(ha)) { 2291 comp_status = le16_to_cpu(sts24->comp_status); 2292 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2293 } else { 2294 comp_status = le16_to_cpu(sts->comp_status); 2295 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2296 } 2297 2298 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 2299 switch (comp_status) { 2300 case CS_COMPLETE: 2301 if (scsi_status == 0) { 2302 bsg_reply->reply_payload_rcv_len = 2303 bsg_job->reply_payload.payload_len; 2304 vha->qla_stats.input_bytes += 2305 bsg_reply->reply_payload_rcv_len; 2306 vha->qla_stats.input_requests++; 2307 rval = EXT_STATUS_OK; 2308 } 2309 goto done; 2310 2311 case CS_DATA_OVERRUN: 2312 ql_dbg(ql_dbg_user, vha, 0x70b1, 2313 "Command completed with data overrun thread_id=%d\n", 2314 thread_id); 2315 rval = EXT_STATUS_DATA_OVERRUN; 2316 break; 2317 2318 case CS_DATA_UNDERRUN: 2319 ql_dbg(ql_dbg_user, vha, 0x70b2, 2320 "Command completed with data underrun thread_id=%d\n", 2321 thread_id); 2322 rval = EXT_STATUS_DATA_UNDERRUN; 2323 break; 2324 case CS_BIDIR_RD_OVERRUN: 2325 ql_dbg(ql_dbg_user, vha, 0x70b3, 2326 "Command completed with read data overrun thread_id=%d\n", 2327 thread_id); 2328 rval = EXT_STATUS_DATA_OVERRUN; 2329 break; 2330 2331 case CS_BIDIR_RD_WR_OVERRUN: 2332 ql_dbg(ql_dbg_user, vha, 0x70b4, 2333 "Command completed with read and write data overrun " 2334 "thread_id=%d\n", thread_id); 2335 rval = EXT_STATUS_DATA_OVERRUN; 2336 break; 2337 2338 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 2339 ql_dbg(ql_dbg_user, vha, 0x70b5, 2340 "Command completed with read data over and write data " 2341 "underrun thread_id=%d\n", thread_id); 2342 rval = EXT_STATUS_DATA_OVERRUN; 2343 break; 2344 2345 case CS_BIDIR_RD_UNDERRUN: 2346 ql_dbg(ql_dbg_user, vha, 0x70b6, 2347 "Command completed with read data underrun " 2348 "thread_id=%d\n", thread_id); 2349 rval = EXT_STATUS_DATA_UNDERRUN; 2350 break; 2351 2352 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 2353 ql_dbg(ql_dbg_user, vha, 0x70b7, 2354 "Command completed with read data under and write data " 2355 "overrun thread_id=%d\n", thread_id); 2356 rval = EXT_STATUS_DATA_UNDERRUN; 2357 break; 2358 2359 case CS_BIDIR_RD_WR_UNDERRUN: 2360 ql_dbg(ql_dbg_user, vha, 0x70b8, 2361 "Command completed with read and write data underrun " 2362 "thread_id=%d\n", thread_id); 2363 rval = EXT_STATUS_DATA_UNDERRUN; 2364 break; 2365 2366 case CS_BIDIR_DMA: 2367 ql_dbg(ql_dbg_user, vha, 0x70b9, 2368 "Command completed with data DMA error thread_id=%d\n", 2369 thread_id); 2370 rval = EXT_STATUS_DMA_ERR; 2371 break; 2372 2373 case CS_TIMEOUT: 2374 ql_dbg(ql_dbg_user, vha, 0x70ba, 2375 "Command completed with timeout thread_id=%d\n", 2376 thread_id); 2377 rval = EXT_STATUS_TIMEOUT; 2378 break; 2379 default: 2380 ql_dbg(ql_dbg_user, vha, 0x70bb, 2381 "Command completed with completion status=0x%x " 2382 "thread_id=%d\n", comp_status, thread_id); 2383 rval = EXT_STATUS_ERR; 2384 break; 2385 } 2386 bsg_reply->reply_payload_rcv_len = 0; 2387 2388 done: 2389 /* Return the vendor specific reply to API */ 2390 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 2391 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2392 /* Always return DID_OK, bsg will send the vendor specific response 2393 * in this case only */ 2394 sp->done(sp, DID_OK << 16); 2395 2396 } 2397 2398 /** 2399 * qla2x00_status_entry() - Process a Status IOCB entry. 2400 * @vha: SCSI driver HA context 2401 * @rsp: response queue 2402 * @pkt: Entry pointer 2403 */ 2404 static void 2405 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2406 { 2407 srb_t *sp; 2408 fc_port_t *fcport; 2409 struct scsi_cmnd *cp; 2410 sts_entry_t *sts; 2411 struct sts_entry_24xx *sts24; 2412 uint16_t comp_status; 2413 uint16_t scsi_status; 2414 uint16_t ox_id; 2415 uint8_t lscsi_status; 2416 int32_t resid; 2417 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2418 fw_resid_len; 2419 uint8_t *rsp_info, *sense_data; 2420 struct qla_hw_data *ha = vha->hw; 2421 uint32_t handle; 2422 uint16_t que; 2423 struct req_que *req; 2424 int logit = 1; 2425 int res = 0; 2426 uint16_t state_flags = 0; 2427 uint16_t retry_delay = 0; 2428 2429 sts = (sts_entry_t *) pkt; 2430 sts24 = (struct sts_entry_24xx *) pkt; 2431 if (IS_FWI2_CAPABLE(ha)) { 2432 comp_status = le16_to_cpu(sts24->comp_status); 2433 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2434 state_flags = le16_to_cpu(sts24->state_flags); 2435 } else { 2436 comp_status = le16_to_cpu(sts->comp_status); 2437 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2438 } 2439 handle = (uint32_t) LSW(sts->handle); 2440 que = MSW(sts->handle); 2441 req = ha->req_q_map[que]; 2442 2443 /* Check for invalid queue pointer */ 2444 if (req == NULL || 2445 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 2446 ql_dbg(ql_dbg_io, vha, 0x3059, 2447 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 2448 "que=%u.\n", sts->handle, req, que); 2449 return; 2450 } 2451 2452 /* Validate handle. */ 2453 if (handle < req->num_outstanding_cmds) { 2454 sp = req->outstanding_cmds[handle]; 2455 if (!sp) { 2456 ql_dbg(ql_dbg_io, vha, 0x3075, 2457 "%s(%ld): Already returned command for status handle (0x%x).\n", 2458 __func__, vha->host_no, sts->handle); 2459 return; 2460 } 2461 } else { 2462 ql_dbg(ql_dbg_io, vha, 0x3017, 2463 "Invalid status handle, out of range (0x%x).\n", 2464 sts->handle); 2465 2466 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 2467 if (IS_P3P_TYPE(ha)) 2468 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2469 else 2470 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2471 qla2xxx_wake_dpc(vha); 2472 } 2473 return; 2474 } 2475 2476 if (sp->cmd_type != TYPE_SRB) { 2477 req->outstanding_cmds[handle] = NULL; 2478 ql_dbg(ql_dbg_io, vha, 0x3015, 2479 "Unknown sp->cmd_type %x %p).\n", 2480 sp->cmd_type, sp); 2481 return; 2482 } 2483 2484 /* NVME completion. */ 2485 if (sp->type == SRB_NVME_CMD) { 2486 req->outstanding_cmds[handle] = NULL; 2487 qla24xx_nvme_iocb_entry(vha, req, pkt, sp); 2488 return; 2489 } 2490 2491 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 2492 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 2493 return; 2494 } 2495 2496 /* Task Management completion. */ 2497 if (sp->type == SRB_TM_CMD) { 2498 qla24xx_tm_iocb_entry(vha, req, pkt); 2499 return; 2500 } 2501 2502 /* Fast path completion. */ 2503 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2504 qla2x00_process_completed_request(vha, req, handle); 2505 2506 return; 2507 } 2508 2509 req->outstanding_cmds[handle] = NULL; 2510 cp = GET_CMD_SP(sp); 2511 if (cp == NULL) { 2512 ql_dbg(ql_dbg_io, vha, 0x3018, 2513 "Command already returned (0x%x/%p).\n", 2514 sts->handle, sp); 2515 2516 return; 2517 } 2518 2519 lscsi_status = scsi_status & STATUS_MASK; 2520 2521 fcport = sp->fcport; 2522 2523 ox_id = 0; 2524 sense_len = par_sense_len = rsp_info_len = resid_len = 2525 fw_resid_len = 0; 2526 if (IS_FWI2_CAPABLE(ha)) { 2527 if (scsi_status & SS_SENSE_LEN_VALID) 2528 sense_len = le32_to_cpu(sts24->sense_len); 2529 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2530 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 2531 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 2532 resid_len = le32_to_cpu(sts24->rsp_residual_count); 2533 if (comp_status == CS_DATA_UNDERRUN) 2534 fw_resid_len = le32_to_cpu(sts24->residual_len); 2535 rsp_info = sts24->data; 2536 sense_data = sts24->data; 2537 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 2538 ox_id = le16_to_cpu(sts24->ox_id); 2539 par_sense_len = sizeof(sts24->data); 2540 /* Valid values of the retry delay timer are 0x1-0xffef */ 2541 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) { 2542 retry_delay = sts24->retry_delay & 0x3fff; 2543 ql_dbg(ql_dbg_io, sp->vha, 0x3033, 2544 "%s: scope=%#x retry_delay=%#x\n", __func__, 2545 sts24->retry_delay >> 14, retry_delay); 2546 } 2547 } else { 2548 if (scsi_status & SS_SENSE_LEN_VALID) 2549 sense_len = le16_to_cpu(sts->req_sense_length); 2550 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2551 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 2552 resid_len = le32_to_cpu(sts->residual_length); 2553 rsp_info = sts->rsp_info; 2554 sense_data = sts->req_sense_data; 2555 par_sense_len = sizeof(sts->req_sense_data); 2556 } 2557 2558 /* Check for any FCP transport errors. */ 2559 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 2560 /* Sense data lies beyond any FCP RESPONSE data. */ 2561 if (IS_FWI2_CAPABLE(ha)) { 2562 sense_data += rsp_info_len; 2563 par_sense_len -= rsp_info_len; 2564 } 2565 if (rsp_info_len > 3 && rsp_info[3]) { 2566 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 2567 "FCP I/O protocol failure (0x%x/0x%x).\n", 2568 rsp_info_len, rsp_info[3]); 2569 2570 res = DID_BUS_BUSY << 16; 2571 goto out; 2572 } 2573 } 2574 2575 /* Check for overrun. */ 2576 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2577 scsi_status & SS_RESIDUAL_OVER) 2578 comp_status = CS_DATA_OVERRUN; 2579 2580 /* 2581 * Check retry_delay_timer value if we receive a busy or 2582 * queue full. 2583 */ 2584 if (lscsi_status == SAM_STAT_TASK_SET_FULL || 2585 lscsi_status == SAM_STAT_BUSY) 2586 qla2x00_set_retry_delay_timestamp(fcport, retry_delay); 2587 2588 /* 2589 * Based on Host and scsi status generate status code for Linux 2590 */ 2591 switch (comp_status) { 2592 case CS_COMPLETE: 2593 case CS_QUEUE_FULL: 2594 if (scsi_status == 0) { 2595 res = DID_OK << 16; 2596 break; 2597 } 2598 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2599 resid = resid_len; 2600 scsi_set_resid(cp, resid); 2601 2602 if (!lscsi_status && 2603 ((unsigned)(scsi_bufflen(cp) - resid) < 2604 cp->underflow)) { 2605 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2606 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2607 resid, scsi_bufflen(cp)); 2608 2609 res = DID_ERROR << 16; 2610 break; 2611 } 2612 } 2613 res = DID_OK << 16 | lscsi_status; 2614 2615 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2616 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2617 "QUEUE FULL detected.\n"); 2618 break; 2619 } 2620 logit = 0; 2621 if (lscsi_status != SS_CHECK_CONDITION) 2622 break; 2623 2624 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2625 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2626 break; 2627 2628 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2629 rsp, res); 2630 break; 2631 2632 case CS_DATA_UNDERRUN: 2633 /* Use F/W calculated residual length. */ 2634 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2635 scsi_set_resid(cp, resid); 2636 if (scsi_status & SS_RESIDUAL_UNDER) { 2637 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2638 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2639 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2640 resid, scsi_bufflen(cp)); 2641 2642 res = DID_ERROR << 16 | lscsi_status; 2643 goto check_scsi_status; 2644 } 2645 2646 if (!lscsi_status && 2647 ((unsigned)(scsi_bufflen(cp) - resid) < 2648 cp->underflow)) { 2649 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2650 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2651 resid, scsi_bufflen(cp)); 2652 2653 res = DID_ERROR << 16; 2654 break; 2655 } 2656 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2657 lscsi_status != SAM_STAT_BUSY) { 2658 /* 2659 * scsi status of task set and busy are considered to be 2660 * task not completed. 2661 */ 2662 2663 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2664 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2665 resid, scsi_bufflen(cp)); 2666 2667 res = DID_ERROR << 16 | lscsi_status; 2668 goto check_scsi_status; 2669 } else { 2670 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2671 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2672 scsi_status, lscsi_status); 2673 } 2674 2675 res = DID_OK << 16 | lscsi_status; 2676 logit = 0; 2677 2678 check_scsi_status: 2679 /* 2680 * Check to see if SCSI Status is non zero. If so report SCSI 2681 * Status. 2682 */ 2683 if (lscsi_status != 0) { 2684 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2685 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2686 "QUEUE FULL detected.\n"); 2687 logit = 1; 2688 break; 2689 } 2690 if (lscsi_status != SS_CHECK_CONDITION) 2691 break; 2692 2693 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2694 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2695 break; 2696 2697 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2698 sense_len, rsp, res); 2699 } 2700 break; 2701 2702 case CS_PORT_LOGGED_OUT: 2703 case CS_PORT_CONFIG_CHG: 2704 case CS_PORT_BUSY: 2705 case CS_INCOMPLETE: 2706 case CS_PORT_UNAVAILABLE: 2707 case CS_TIMEOUT: 2708 case CS_RESET: 2709 2710 /* 2711 * We are going to have the fc class block the rport 2712 * while we try to recover so instruct the mid layer 2713 * to requeue until the class decides how to handle this. 2714 */ 2715 res = DID_TRANSPORT_DISRUPTED << 16; 2716 2717 if (comp_status == CS_TIMEOUT) { 2718 if (IS_FWI2_CAPABLE(ha)) 2719 break; 2720 else if ((le16_to_cpu(sts->status_flags) & 2721 SF_LOGOUT_SENT) == 0) 2722 break; 2723 } 2724 2725 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2726 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2727 "Port to be marked lost on fcport=%02x%02x%02x, current " 2728 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 2729 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2730 port_state_str[atomic_read(&fcport->state)], 2731 comp_status); 2732 2733 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 2734 qlt_schedule_sess_for_deletion(fcport); 2735 } 2736 2737 break; 2738 2739 case CS_ABORTED: 2740 res = DID_RESET << 16; 2741 break; 2742 2743 case CS_DIF_ERROR: 2744 logit = qla2x00_handle_dif_error(sp, sts24); 2745 res = cp->result; 2746 break; 2747 2748 case CS_TRANSPORT: 2749 res = DID_ERROR << 16; 2750 2751 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2752 break; 2753 2754 if (state_flags & BIT_4) 2755 scmd_printk(KERN_WARNING, cp, 2756 "Unsupported device '%s' found.\n", 2757 cp->device->vendor); 2758 break; 2759 2760 case CS_DMA: 2761 ql_log(ql_log_info, fcport->vha, 0x3022, 2762 "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", 2763 comp_status, scsi_status, res, vha->host_no, 2764 cp->device->id, cp->device->lun, fcport->d_id.b24, 2765 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2766 resid_len, fw_resid_len, sp, cp); 2767 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee, 2768 pkt, sizeof(*sts24)); 2769 res = DID_ERROR << 16; 2770 break; 2771 default: 2772 res = DID_ERROR << 16; 2773 break; 2774 } 2775 2776 out: 2777 if (logit) 2778 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 2779 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 2780 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " 2781 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 2782 comp_status, scsi_status, res, vha->host_no, 2783 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 2784 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 2785 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2786 resid_len, fw_resid_len, sp, cp); 2787 2788 if (rsp->status_srb == NULL) 2789 sp->done(sp, res); 2790 } 2791 2792 /** 2793 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 2794 * @rsp: response queue 2795 * @pkt: Entry pointer 2796 * 2797 * Extended sense data. 2798 */ 2799 static void 2800 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2801 { 2802 uint8_t sense_sz = 0; 2803 struct qla_hw_data *ha = rsp->hw; 2804 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2805 srb_t *sp = rsp->status_srb; 2806 struct scsi_cmnd *cp; 2807 uint32_t sense_len; 2808 uint8_t *sense_ptr; 2809 2810 if (!sp || !GET_CMD_SENSE_LEN(sp)) 2811 return; 2812 2813 sense_len = GET_CMD_SENSE_LEN(sp); 2814 sense_ptr = GET_CMD_SENSE_PTR(sp); 2815 2816 cp = GET_CMD_SP(sp); 2817 if (cp == NULL) { 2818 ql_log(ql_log_warn, vha, 0x3025, 2819 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2820 2821 rsp->status_srb = NULL; 2822 return; 2823 } 2824 2825 if (sense_len > sizeof(pkt->data)) 2826 sense_sz = sizeof(pkt->data); 2827 else 2828 sense_sz = sense_len; 2829 2830 /* Move sense data. */ 2831 if (IS_FWI2_CAPABLE(ha)) 2832 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 2833 memcpy(sense_ptr, pkt->data, sense_sz); 2834 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 2835 sense_ptr, sense_sz); 2836 2837 sense_len -= sense_sz; 2838 sense_ptr += sense_sz; 2839 2840 SET_CMD_SENSE_PTR(sp, sense_ptr); 2841 SET_CMD_SENSE_LEN(sp, sense_len); 2842 2843 /* Place command on done queue. */ 2844 if (sense_len == 0) { 2845 rsp->status_srb = NULL; 2846 sp->done(sp, cp->result); 2847 } 2848 } 2849 2850 /** 2851 * qla2x00_error_entry() - Process an error entry. 2852 * @vha: SCSI driver HA context 2853 * @rsp: response queue 2854 * @pkt: Entry pointer 2855 * return : 1=allow further error analysis. 0=no additional error analysis. 2856 */ 2857 static int 2858 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 2859 { 2860 srb_t *sp; 2861 struct qla_hw_data *ha = vha->hw; 2862 const char func[] = "ERROR-IOCB"; 2863 uint16_t que = MSW(pkt->handle); 2864 struct req_que *req = NULL; 2865 int res = DID_ERROR << 16; 2866 2867 ql_dbg(ql_dbg_async, vha, 0x502a, 2868 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", 2869 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); 2870 2871 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 2872 goto fatal; 2873 2874 req = ha->req_q_map[que]; 2875 2876 if (pkt->entry_status & RF_BUSY) 2877 res = DID_BUS_BUSY << 16; 2878 2879 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) 2880 return 0; 2881 2882 switch (pkt->entry_type) { 2883 case NOTIFY_ACK_TYPE: 2884 case STATUS_TYPE: 2885 case STATUS_CONT_TYPE: 2886 case LOGINOUT_PORT_IOCB_TYPE: 2887 case CT_IOCB_TYPE: 2888 case ELS_IOCB_TYPE: 2889 case ABORT_IOCB_TYPE: 2890 case MBX_IOCB_TYPE: 2891 default: 2892 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2893 if (sp) { 2894 sp->done(sp, res); 2895 return 0; 2896 } 2897 break; 2898 2899 case ABTS_RESP_24XX: 2900 case CTIO_TYPE7: 2901 case CTIO_CRC2: 2902 return 1; 2903 } 2904 fatal: 2905 ql_log(ql_log_warn, vha, 0x5030, 2906 "Error entry - invalid handle/queue (%04x).\n", que); 2907 return 0; 2908 } 2909 2910 /** 2911 * qla24xx_mbx_completion() - Process mailbox command completions. 2912 * @vha: SCSI driver HA context 2913 * @mb0: Mailbox0 register 2914 */ 2915 static void 2916 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2917 { 2918 uint16_t cnt; 2919 uint32_t mboxes; 2920 uint16_t __iomem *wptr; 2921 struct qla_hw_data *ha = vha->hw; 2922 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2923 2924 /* Read all mbox registers? */ 2925 WARN_ON_ONCE(ha->mbx_count > 32); 2926 mboxes = (1ULL << ha->mbx_count) - 1; 2927 if (!ha->mcp) 2928 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 2929 else 2930 mboxes = ha->mcp->in_mb; 2931 2932 /* Load return mailbox registers. */ 2933 ha->flags.mbox_int = 1; 2934 ha->mailbox_out[0] = mb0; 2935 mboxes >>= 1; 2936 wptr = (uint16_t __iomem *)®->mailbox1; 2937 2938 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2939 if (mboxes & BIT_0) 2940 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2941 2942 mboxes >>= 1; 2943 wptr++; 2944 } 2945 } 2946 2947 static void 2948 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2949 struct abort_entry_24xx *pkt) 2950 { 2951 const char func[] = "ABT_IOCB"; 2952 srb_t *sp; 2953 struct srb_iocb *abt; 2954 2955 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2956 if (!sp) 2957 return; 2958 2959 abt = &sp->u.iocb_cmd; 2960 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle); 2961 sp->done(sp, 0); 2962 } 2963 2964 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, 2965 struct pt_ls4_request *pkt, struct req_que *req) 2966 { 2967 srb_t *sp; 2968 const char func[] = "LS4_IOCB"; 2969 uint16_t comp_status; 2970 2971 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2972 if (!sp) 2973 return; 2974 2975 comp_status = le16_to_cpu(pkt->status); 2976 sp->done(sp, comp_status); 2977 } 2978 2979 /** 2980 * qla24xx_process_response_queue() - Process response queue entries. 2981 * @vha: SCSI driver HA context 2982 * @rsp: response queue 2983 */ 2984 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 2985 struct rsp_que *rsp) 2986 { 2987 struct sts_entry_24xx *pkt; 2988 struct qla_hw_data *ha = vha->hw; 2989 2990 if (!ha->flags.fw_started) 2991 return; 2992 2993 if (rsp->qpair->cpuid != smp_processor_id()) 2994 qla_cpu_update(rsp->qpair, smp_processor_id()); 2995 2996 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2997 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 2998 2999 rsp->ring_index++; 3000 if (rsp->ring_index == rsp->length) { 3001 rsp->ring_index = 0; 3002 rsp->ring_ptr = rsp->ring; 3003 } else { 3004 rsp->ring_ptr++; 3005 } 3006 3007 if (pkt->entry_status != 0) { 3008 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) 3009 goto process_err; 3010 3011 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3012 wmb(); 3013 continue; 3014 } 3015 process_err: 3016 3017 switch (pkt->entry_type) { 3018 case STATUS_TYPE: 3019 qla2x00_status_entry(vha, rsp, pkt); 3020 break; 3021 case STATUS_CONT_TYPE: 3022 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 3023 break; 3024 case VP_RPT_ID_IOCB_TYPE: 3025 qla24xx_report_id_acquisition(vha, 3026 (struct vp_rpt_id_entry_24xx *)pkt); 3027 break; 3028 case LOGINOUT_PORT_IOCB_TYPE: 3029 qla24xx_logio_entry(vha, rsp->req, 3030 (struct logio_entry_24xx *)pkt); 3031 break; 3032 case CT_IOCB_TYPE: 3033 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 3034 break; 3035 case ELS_IOCB_TYPE: 3036 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 3037 break; 3038 case ABTS_RECV_24XX: 3039 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || 3040 IS_QLA28XX(ha)) { 3041 /* ensure that the ATIO queue is empty */ 3042 qlt_handle_abts_recv(vha, rsp, 3043 (response_t *)pkt); 3044 break; 3045 } else { 3046 qlt_24xx_process_atio_queue(vha, 1); 3047 } 3048 /* fall through */ 3049 case ABTS_RESP_24XX: 3050 case CTIO_TYPE7: 3051 case CTIO_CRC2: 3052 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); 3053 break; 3054 case PT_LS4_REQUEST: 3055 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, 3056 rsp->req); 3057 break; 3058 case NOTIFY_ACK_TYPE: 3059 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 3060 qlt_response_pkt_all_vps(vha, rsp, 3061 (response_t *)pkt); 3062 else 3063 qla24xxx_nack_iocb_entry(vha, rsp->req, 3064 (struct nack_to_isp *)pkt); 3065 break; 3066 case MARKER_TYPE: 3067 /* Do nothing in this case, this check is to prevent it 3068 * from falling into default case 3069 */ 3070 break; 3071 case ABORT_IOCB_TYPE: 3072 qla24xx_abort_iocb_entry(vha, rsp->req, 3073 (struct abort_entry_24xx *)pkt); 3074 break; 3075 case MBX_IOCB_TYPE: 3076 qla24xx_mbx_iocb_entry(vha, rsp->req, 3077 (struct mbx_24xx_entry *)pkt); 3078 break; 3079 case VP_CTRL_IOCB_TYPE: 3080 qla_ctrlvp_completed(vha, rsp->req, 3081 (struct vp_ctrl_entry_24xx *)pkt); 3082 break; 3083 default: 3084 /* Type Not Supported. */ 3085 ql_dbg(ql_dbg_async, vha, 0x5042, 3086 "Received unknown response pkt type %x " 3087 "entry status=%x.\n", 3088 pkt->entry_type, pkt->entry_status); 3089 break; 3090 } 3091 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3092 wmb(); 3093 } 3094 3095 /* Adjust ring index */ 3096 if (IS_P3P_TYPE(ha)) { 3097 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 3098 3099 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 3100 } else { 3101 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 3102 } 3103 } 3104 3105 static void 3106 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 3107 { 3108 int rval; 3109 uint32_t cnt; 3110 struct qla_hw_data *ha = vha->hw; 3111 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3112 3113 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 3114 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3115 return; 3116 3117 rval = QLA_SUCCESS; 3118 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 3119 RD_REG_DWORD(®->iobase_addr); 3120 WRT_REG_DWORD(®->iobase_window, 0x0001); 3121 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3122 rval == QLA_SUCCESS; cnt--) { 3123 if (cnt) { 3124 WRT_REG_DWORD(®->iobase_window, 0x0001); 3125 udelay(10); 3126 } else 3127 rval = QLA_FUNCTION_TIMEOUT; 3128 } 3129 if (rval == QLA_SUCCESS) 3130 goto next_test; 3131 3132 rval = QLA_SUCCESS; 3133 WRT_REG_DWORD(®->iobase_window, 0x0003); 3134 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3135 rval == QLA_SUCCESS; cnt--) { 3136 if (cnt) { 3137 WRT_REG_DWORD(®->iobase_window, 0x0003); 3138 udelay(10); 3139 } else 3140 rval = QLA_FUNCTION_TIMEOUT; 3141 } 3142 if (rval != QLA_SUCCESS) 3143 goto done; 3144 3145 next_test: 3146 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 3147 ql_log(ql_log_info, vha, 0x504c, 3148 "Additional code -- 0x55AA.\n"); 3149 3150 done: 3151 WRT_REG_DWORD(®->iobase_window, 0x0000); 3152 RD_REG_DWORD(®->iobase_window); 3153 } 3154 3155 /** 3156 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 3157 * @irq: interrupt number 3158 * @dev_id: SCSI driver HA context 3159 * 3160 * Called by system whenever the host adapter generates an interrupt. 3161 * 3162 * Returns handled flag. 3163 */ 3164 irqreturn_t 3165 qla24xx_intr_handler(int irq, void *dev_id) 3166 { 3167 scsi_qla_host_t *vha; 3168 struct qla_hw_data *ha; 3169 struct device_reg_24xx __iomem *reg; 3170 int status; 3171 unsigned long iter; 3172 uint32_t stat; 3173 uint32_t hccr; 3174 uint16_t mb[8]; 3175 struct rsp_que *rsp; 3176 unsigned long flags; 3177 bool process_atio = false; 3178 3179 rsp = (struct rsp_que *) dev_id; 3180 if (!rsp) { 3181 ql_log(ql_log_info, NULL, 0x5059, 3182 "%s: NULL response queue pointer.\n", __func__); 3183 return IRQ_NONE; 3184 } 3185 3186 ha = rsp->hw; 3187 reg = &ha->iobase->isp24; 3188 status = 0; 3189 3190 if (unlikely(pci_channel_offline(ha->pdev))) 3191 return IRQ_HANDLED; 3192 3193 spin_lock_irqsave(&ha->hardware_lock, flags); 3194 vha = pci_get_drvdata(ha->pdev); 3195 for (iter = 50; iter--; ) { 3196 stat = RD_REG_DWORD(®->host_status); 3197 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3198 break; 3199 if (stat & HSRX_RISC_PAUSED) { 3200 if (unlikely(pci_channel_offline(ha->pdev))) 3201 break; 3202 3203 hccr = RD_REG_DWORD(®->hccr); 3204 3205 ql_log(ql_log_warn, vha, 0x504b, 3206 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3207 hccr); 3208 3209 qla2xxx_check_risc_status(vha); 3210 3211 ha->isp_ops->fw_dump(vha, 1); 3212 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3213 break; 3214 } else if ((stat & HSRX_RISC_INT) == 0) 3215 break; 3216 3217 switch (stat & 0xff) { 3218 case INTR_ROM_MB_SUCCESS: 3219 case INTR_ROM_MB_FAILED: 3220 case INTR_MB_SUCCESS: 3221 case INTR_MB_FAILED: 3222 qla24xx_mbx_completion(vha, MSW(stat)); 3223 status |= MBX_INTERRUPT; 3224 3225 break; 3226 case INTR_ASYNC_EVENT: 3227 mb[0] = MSW(stat); 3228 mb[1] = RD_REG_WORD(®->mailbox1); 3229 mb[2] = RD_REG_WORD(®->mailbox2); 3230 mb[3] = RD_REG_WORD(®->mailbox3); 3231 qla2x00_async_event(vha, rsp, mb); 3232 break; 3233 case INTR_RSP_QUE_UPDATE: 3234 case INTR_RSP_QUE_UPDATE_83XX: 3235 qla24xx_process_response_queue(vha, rsp); 3236 break; 3237 case INTR_ATIO_QUE_UPDATE_27XX: 3238 case INTR_ATIO_QUE_UPDATE: 3239 process_atio = true; 3240 break; 3241 case INTR_ATIO_RSP_QUE_UPDATE: 3242 process_atio = true; 3243 qla24xx_process_response_queue(vha, rsp); 3244 break; 3245 default: 3246 ql_dbg(ql_dbg_async, vha, 0x504f, 3247 "Unrecognized interrupt type (%d).\n", stat * 0xff); 3248 break; 3249 } 3250 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3251 RD_REG_DWORD_RELAXED(®->hccr); 3252 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 3253 ndelay(3500); 3254 } 3255 qla2x00_handle_mbx_completion(ha, status); 3256 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3257 3258 if (process_atio) { 3259 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 3260 qlt_24xx_process_atio_queue(vha, 0); 3261 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 3262 } 3263 3264 return IRQ_HANDLED; 3265 } 3266 3267 static irqreturn_t 3268 qla24xx_msix_rsp_q(int irq, void *dev_id) 3269 { 3270 struct qla_hw_data *ha; 3271 struct rsp_que *rsp; 3272 struct device_reg_24xx __iomem *reg; 3273 struct scsi_qla_host *vha; 3274 unsigned long flags; 3275 3276 rsp = (struct rsp_que *) dev_id; 3277 if (!rsp) { 3278 ql_log(ql_log_info, NULL, 0x505a, 3279 "%s: NULL response queue pointer.\n", __func__); 3280 return IRQ_NONE; 3281 } 3282 ha = rsp->hw; 3283 reg = &ha->iobase->isp24; 3284 3285 spin_lock_irqsave(&ha->hardware_lock, flags); 3286 3287 vha = pci_get_drvdata(ha->pdev); 3288 qla24xx_process_response_queue(vha, rsp); 3289 if (!ha->flags.disable_msix_handshake) { 3290 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3291 RD_REG_DWORD_RELAXED(®->hccr); 3292 } 3293 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3294 3295 return IRQ_HANDLED; 3296 } 3297 3298 static irqreturn_t 3299 qla24xx_msix_default(int irq, void *dev_id) 3300 { 3301 scsi_qla_host_t *vha; 3302 struct qla_hw_data *ha; 3303 struct rsp_que *rsp; 3304 struct device_reg_24xx __iomem *reg; 3305 int status; 3306 uint32_t stat; 3307 uint32_t hccr; 3308 uint16_t mb[8]; 3309 unsigned long flags; 3310 bool process_atio = false; 3311 3312 rsp = (struct rsp_que *) dev_id; 3313 if (!rsp) { 3314 ql_log(ql_log_info, NULL, 0x505c, 3315 "%s: NULL response queue pointer.\n", __func__); 3316 return IRQ_NONE; 3317 } 3318 ha = rsp->hw; 3319 reg = &ha->iobase->isp24; 3320 status = 0; 3321 3322 spin_lock_irqsave(&ha->hardware_lock, flags); 3323 vha = pci_get_drvdata(ha->pdev); 3324 do { 3325 stat = RD_REG_DWORD(®->host_status); 3326 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3327 break; 3328 if (stat & HSRX_RISC_PAUSED) { 3329 if (unlikely(pci_channel_offline(ha->pdev))) 3330 break; 3331 3332 hccr = RD_REG_DWORD(®->hccr); 3333 3334 ql_log(ql_log_info, vha, 0x5050, 3335 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3336 hccr); 3337 3338 qla2xxx_check_risc_status(vha); 3339 3340 ha->isp_ops->fw_dump(vha, 1); 3341 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3342 break; 3343 } else if ((stat & HSRX_RISC_INT) == 0) 3344 break; 3345 3346 switch (stat & 0xff) { 3347 case INTR_ROM_MB_SUCCESS: 3348 case INTR_ROM_MB_FAILED: 3349 case INTR_MB_SUCCESS: 3350 case INTR_MB_FAILED: 3351 qla24xx_mbx_completion(vha, MSW(stat)); 3352 status |= MBX_INTERRUPT; 3353 3354 break; 3355 case INTR_ASYNC_EVENT: 3356 mb[0] = MSW(stat); 3357 mb[1] = RD_REG_WORD(®->mailbox1); 3358 mb[2] = RD_REG_WORD(®->mailbox2); 3359 mb[3] = RD_REG_WORD(®->mailbox3); 3360 qla2x00_async_event(vha, rsp, mb); 3361 break; 3362 case INTR_RSP_QUE_UPDATE: 3363 case INTR_RSP_QUE_UPDATE_83XX: 3364 qla24xx_process_response_queue(vha, rsp); 3365 break; 3366 case INTR_ATIO_QUE_UPDATE_27XX: 3367 case INTR_ATIO_QUE_UPDATE: 3368 process_atio = true; 3369 break; 3370 case INTR_ATIO_RSP_QUE_UPDATE: 3371 process_atio = true; 3372 qla24xx_process_response_queue(vha, rsp); 3373 break; 3374 default: 3375 ql_dbg(ql_dbg_async, vha, 0x5051, 3376 "Unrecognized interrupt type (%d).\n", stat & 0xff); 3377 break; 3378 } 3379 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3380 } while (0); 3381 qla2x00_handle_mbx_completion(ha, status); 3382 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3383 3384 if (process_atio) { 3385 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 3386 qlt_24xx_process_atio_queue(vha, 0); 3387 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 3388 } 3389 3390 return IRQ_HANDLED; 3391 } 3392 3393 irqreturn_t 3394 qla2xxx_msix_rsp_q(int irq, void *dev_id) 3395 { 3396 struct qla_hw_data *ha; 3397 struct qla_qpair *qpair; 3398 struct device_reg_24xx __iomem *reg; 3399 unsigned long flags; 3400 3401 qpair = dev_id; 3402 if (!qpair) { 3403 ql_log(ql_log_info, NULL, 0x505b, 3404 "%s: NULL response queue pointer.\n", __func__); 3405 return IRQ_NONE; 3406 } 3407 ha = qpair->hw; 3408 3409 /* Clear the interrupt, if enabled, for this response queue */ 3410 if (unlikely(!ha->flags.disable_msix_handshake)) { 3411 reg = &ha->iobase->isp24; 3412 spin_lock_irqsave(&ha->hardware_lock, flags); 3413 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3414 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3415 } 3416 3417 queue_work(ha->wq, &qpair->q_work); 3418 3419 return IRQ_HANDLED; 3420 } 3421 3422 /* Interrupt handling helpers. */ 3423 3424 struct qla_init_msix_entry { 3425 const char *name; 3426 irq_handler_t handler; 3427 }; 3428 3429 static const struct qla_init_msix_entry msix_entries[] = { 3430 { "default", qla24xx_msix_default }, 3431 { "rsp_q", qla24xx_msix_rsp_q }, 3432 { "atio_q", qla83xx_msix_atio_q }, 3433 { "qpair_multiq", qla2xxx_msix_rsp_q }, 3434 }; 3435 3436 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 3437 { "qla2xxx (default)", qla82xx_msix_default }, 3438 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 3439 }; 3440 3441 static int 3442 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 3443 { 3444 int i, ret; 3445 struct qla_msix_entry *qentry; 3446 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3447 int min_vecs = QLA_BASE_VECTORS; 3448 struct irq_affinity desc = { 3449 .pre_vectors = QLA_BASE_VECTORS, 3450 }; 3451 3452 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3453 IS_ATIO_MSIX_CAPABLE(ha)) { 3454 desc.pre_vectors++; 3455 min_vecs++; 3456 } 3457 3458 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) { 3459 /* user wants to control IRQ setting for target mode */ 3460 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, 3461 ha->msix_count, PCI_IRQ_MSIX); 3462 } else 3463 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 3464 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 3465 &desc); 3466 3467 if (ret < 0) { 3468 ql_log(ql_log_fatal, vha, 0x00c7, 3469 "MSI-X: Failed to enable support, " 3470 "giving up -- %d/%d.\n", 3471 ha->msix_count, ret); 3472 goto msix_out; 3473 } else if (ret < ha->msix_count) { 3474 ql_log(ql_log_warn, vha, 0x00c6, 3475 "MSI-X: Failed to enable support " 3476 "with %d vectors, using %d vectors.\n", 3477 ha->msix_count, ret); 3478 ha->msix_count = ret; 3479 /* Recalculate queue values */ 3480 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { 3481 ha->max_req_queues = ha->msix_count - 1; 3482 3483 /* ATIOQ needs 1 vector. That's 1 less QPair */ 3484 if (QLA_TGT_MODE_ENABLED()) 3485 ha->max_req_queues--; 3486 3487 ha->max_rsp_queues = ha->max_req_queues; 3488 3489 ha->max_qpairs = ha->max_req_queues - 1; 3490 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 3491 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 3492 } 3493 } 3494 vha->irq_offset = desc.pre_vectors; 3495 ha->msix_entries = kcalloc(ha->msix_count, 3496 sizeof(struct qla_msix_entry), 3497 GFP_KERNEL); 3498 if (!ha->msix_entries) { 3499 ql_log(ql_log_fatal, vha, 0x00c8, 3500 "Failed to allocate memory for ha->msix_entries.\n"); 3501 ret = -ENOMEM; 3502 goto free_irqs; 3503 } 3504 ha->flags.msix_enabled = 1; 3505 3506 for (i = 0; i < ha->msix_count; i++) { 3507 qentry = &ha->msix_entries[i]; 3508 qentry->vector = pci_irq_vector(ha->pdev, i); 3509 qentry->entry = i; 3510 qentry->have_irq = 0; 3511 qentry->in_use = 0; 3512 qentry->handle = NULL; 3513 } 3514 3515 /* Enable MSI-X vectors for the base queue */ 3516 for (i = 0; i < QLA_BASE_VECTORS; i++) { 3517 qentry = &ha->msix_entries[i]; 3518 qentry->handle = rsp; 3519 rsp->msix = qentry; 3520 scnprintf(qentry->name, sizeof(qentry->name), 3521 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); 3522 if (IS_P3P_TYPE(ha)) 3523 ret = request_irq(qentry->vector, 3524 qla82xx_msix_entries[i].handler, 3525 0, qla82xx_msix_entries[i].name, rsp); 3526 else 3527 ret = request_irq(qentry->vector, 3528 msix_entries[i].handler, 3529 0, qentry->name, rsp); 3530 if (ret) 3531 goto msix_register_fail; 3532 qentry->have_irq = 1; 3533 qentry->in_use = 1; 3534 } 3535 3536 /* 3537 * If target mode is enable, also request the vector for the ATIO 3538 * queue. 3539 */ 3540 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3541 IS_ATIO_MSIX_CAPABLE(ha)) { 3542 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 3543 rsp->msix = qentry; 3544 qentry->handle = rsp; 3545 scnprintf(qentry->name, sizeof(qentry->name), 3546 "qla2xxx%lu_%s", vha->host_no, 3547 msix_entries[QLA_ATIO_VECTOR].name); 3548 qentry->in_use = 1; 3549 ret = request_irq(qentry->vector, 3550 msix_entries[QLA_ATIO_VECTOR].handler, 3551 0, qentry->name, rsp); 3552 qentry->have_irq = 1; 3553 } 3554 3555 msix_register_fail: 3556 if (ret) { 3557 ql_log(ql_log_fatal, vha, 0x00cb, 3558 "MSI-X: unable to register handler -- %x/%d.\n", 3559 qentry->vector, ret); 3560 qla2x00_free_irqs(vha); 3561 ha->mqenable = 0; 3562 goto msix_out; 3563 } 3564 3565 /* Enable MSI-X vector for response queue update for queue 0 */ 3566 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 3567 if (ha->msixbase && ha->mqiobase && 3568 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3569 ql2xmqsupport)) 3570 ha->mqenable = 1; 3571 } else 3572 if (ha->mqiobase && 3573 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3574 ql2xmqsupport)) 3575 ha->mqenable = 1; 3576 ql_dbg(ql_dbg_multiq, vha, 0xc005, 3577 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3578 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3579 ql_dbg(ql_dbg_init, vha, 0x0055, 3580 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3581 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3582 3583 msix_out: 3584 return ret; 3585 3586 free_irqs: 3587 pci_free_irq_vectors(ha->pdev); 3588 goto msix_out; 3589 } 3590 3591 int 3592 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 3593 { 3594 int ret = QLA_FUNCTION_FAILED; 3595 device_reg_t *reg = ha->iobase; 3596 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3597 3598 /* If possible, enable MSI-X. */ 3599 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && 3600 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && 3601 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))) 3602 goto skip_msi; 3603 3604 if (ql2xenablemsix == 2) 3605 goto skip_msix; 3606 3607 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 3608 (ha->pdev->subsystem_device == 0x7040 || 3609 ha->pdev->subsystem_device == 0x7041 || 3610 ha->pdev->subsystem_device == 0x1705)) { 3611 ql_log(ql_log_warn, vha, 0x0034, 3612 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 3613 ha->pdev->subsystem_vendor, 3614 ha->pdev->subsystem_device); 3615 goto skip_msi; 3616 } 3617 3618 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 3619 ql_log(ql_log_warn, vha, 0x0035, 3620 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 3621 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 3622 goto skip_msix; 3623 } 3624 3625 ret = qla24xx_enable_msix(ha, rsp); 3626 if (!ret) { 3627 ql_dbg(ql_dbg_init, vha, 0x0036, 3628 "MSI-X: Enabled (0x%X, 0x%X).\n", 3629 ha->chip_revision, ha->fw_attributes); 3630 goto clear_risc_ints; 3631 } 3632 3633 skip_msix: 3634 3635 ql_log(ql_log_info, vha, 0x0037, 3636 "Falling back-to MSI mode -%d.\n", ret); 3637 3638 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3639 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 3640 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3641 goto skip_msi; 3642 3643 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 3644 if (!ret) { 3645 ql_dbg(ql_dbg_init, vha, 0x0038, 3646 "MSI: Enabled.\n"); 3647 ha->flags.msi_enabled = 1; 3648 } else 3649 ql_log(ql_log_warn, vha, 0x0039, 3650 "Falling back-to INTa mode -- %d.\n", ret); 3651 skip_msi: 3652 3653 /* Skip INTx on ISP82xx. */ 3654 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 3655 return QLA_FUNCTION_FAILED; 3656 3657 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 3658 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 3659 QLA2XXX_DRIVER_NAME, rsp); 3660 if (ret) { 3661 ql_log(ql_log_warn, vha, 0x003a, 3662 "Failed to reserve interrupt %d already in use.\n", 3663 ha->pdev->irq); 3664 goto fail; 3665 } else if (!ha->flags.msi_enabled) { 3666 ql_dbg(ql_dbg_init, vha, 0x0125, 3667 "INTa mode: Enabled.\n"); 3668 ha->flags.mr_intr_valid = 1; 3669 } 3670 3671 clear_risc_ints: 3672 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 3673 goto fail; 3674 3675 spin_lock_irq(&ha->hardware_lock); 3676 WRT_REG_WORD(®->isp.semaphore, 0); 3677 spin_unlock_irq(&ha->hardware_lock); 3678 3679 fail: 3680 return ret; 3681 } 3682 3683 void 3684 qla2x00_free_irqs(scsi_qla_host_t *vha) 3685 { 3686 struct qla_hw_data *ha = vha->hw; 3687 struct rsp_que *rsp; 3688 struct qla_msix_entry *qentry; 3689 int i; 3690 3691 /* 3692 * We need to check that ha->rsp_q_map is valid in case we are called 3693 * from a probe failure context. 3694 */ 3695 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 3696 goto free_irqs; 3697 rsp = ha->rsp_q_map[0]; 3698 3699 if (ha->flags.msix_enabled) { 3700 for (i = 0; i < ha->msix_count; i++) { 3701 qentry = &ha->msix_entries[i]; 3702 if (qentry->have_irq) { 3703 irq_set_affinity_notifier(qentry->vector, NULL); 3704 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 3705 } 3706 } 3707 kfree(ha->msix_entries); 3708 ha->msix_entries = NULL; 3709 ha->flags.msix_enabled = 0; 3710 ql_dbg(ql_dbg_init, vha, 0x0042, 3711 "Disabled MSI-X.\n"); 3712 } else { 3713 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 3714 } 3715 3716 free_irqs: 3717 pci_free_irq_vectors(ha->pdev); 3718 } 3719 3720 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 3721 struct qla_msix_entry *msix, int vector_type) 3722 { 3723 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 3724 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3725 int ret; 3726 3727 scnprintf(msix->name, sizeof(msix->name), 3728 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 3729 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 3730 if (ret) { 3731 ql_log(ql_log_fatal, vha, 0x00e6, 3732 "MSI-X: Unable to register handler -- %x/%d.\n", 3733 msix->vector, ret); 3734 return ret; 3735 } 3736 msix->have_irq = 1; 3737 msix->handle = qpair; 3738 return ret; 3739 } 3740