1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2014 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 #include "qla_target.h" 9 10 #include <linux/delay.h> 11 #include <linux/slab.h> 12 #include <linux/cpu.h> 13 #include <linux/t10-pi.h> 14 #include <scsi/scsi_tcq.h> 15 #include <scsi/scsi_bsg_fc.h> 16 #include <scsi/scsi_eh.h> 17 #include <scsi/fc/fc_fs.h> 18 #include <linux/nvme-fc-driver.h> 19 20 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); 21 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); 22 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); 23 static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, 24 sts_entry_t *); 25 26 /** 27 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. 28 * @irq: interrupt number 29 * @dev_id: SCSI driver HA context 30 * 31 * Called by system whenever the host adapter generates an interrupt. 32 * 33 * Returns handled flag. 34 */ 35 irqreturn_t 36 qla2100_intr_handler(int irq, void *dev_id) 37 { 38 scsi_qla_host_t *vha; 39 struct qla_hw_data *ha; 40 struct device_reg_2xxx __iomem *reg; 41 int status; 42 unsigned long iter; 43 uint16_t hccr; 44 uint16_t mb[4]; 45 struct rsp_que *rsp; 46 unsigned long flags; 47 48 rsp = (struct rsp_que *) dev_id; 49 if (!rsp) { 50 ql_log(ql_log_info, NULL, 0x505d, 51 "%s: NULL response queue pointer.\n", __func__); 52 return (IRQ_NONE); 53 } 54 55 ha = rsp->hw; 56 reg = &ha->iobase->isp; 57 status = 0; 58 59 spin_lock_irqsave(&ha->hardware_lock, flags); 60 vha = pci_get_drvdata(ha->pdev); 61 for (iter = 50; iter--; ) { 62 hccr = RD_REG_WORD(®->hccr); 63 if (qla2x00_check_reg16_for_disconnect(vha, hccr)) 64 break; 65 if (hccr & HCCR_RISC_PAUSE) { 66 if (pci_channel_offline(ha->pdev)) 67 break; 68 69 /* 70 * Issue a "HARD" reset in order for the RISC interrupt 71 * bit to be cleared. Schedule a big hammer to get 72 * out of the RISC PAUSED state. 73 */ 74 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 75 RD_REG_WORD(®->hccr); 76 77 ha->isp_ops->fw_dump(vha, 1); 78 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 79 break; 80 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) 81 break; 82 83 if (RD_REG_WORD(®->semaphore) & BIT_0) { 84 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 85 RD_REG_WORD(®->hccr); 86 87 /* Get mailbox data. */ 88 mb[0] = RD_MAILBOX_REG(ha, reg, 0); 89 if (mb[0] > 0x3fff && mb[0] < 0x8000) { 90 qla2x00_mbx_completion(vha, mb[0]); 91 status |= MBX_INTERRUPT; 92 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { 93 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 94 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 95 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 96 qla2x00_async_event(vha, rsp, mb); 97 } else { 98 /*EMPTY*/ 99 ql_dbg(ql_dbg_async, vha, 0x5025, 100 "Unrecognized interrupt type (%d).\n", 101 mb[0]); 102 } 103 /* Release mailbox registers. */ 104 WRT_REG_WORD(®->semaphore, 0); 105 RD_REG_WORD(®->semaphore); 106 } else { 107 qla2x00_process_response_queue(rsp); 108 109 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 110 RD_REG_WORD(®->hccr); 111 } 112 } 113 qla2x00_handle_mbx_completion(ha, status); 114 spin_unlock_irqrestore(&ha->hardware_lock, flags); 115 116 return (IRQ_HANDLED); 117 } 118 119 bool 120 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) 121 { 122 /* Check for PCI disconnection */ 123 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) { 124 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) && 125 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) && 126 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) { 127 /* 128 * Schedule this (only once) on the default system 129 * workqueue so that all the adapter workqueues and the 130 * DPC thread can be shutdown cleanly. 131 */ 132 schedule_work(&vha->hw->board_disable); 133 } 134 return true; 135 } else 136 return false; 137 } 138 139 bool 140 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) 141 { 142 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg); 143 } 144 145 /** 146 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 147 * @irq: interrupt number 148 * @dev_id: SCSI driver HA context 149 * 150 * Called by system whenever the host adapter generates an interrupt. 151 * 152 * Returns handled flag. 153 */ 154 irqreturn_t 155 qla2300_intr_handler(int irq, void *dev_id) 156 { 157 scsi_qla_host_t *vha; 158 struct device_reg_2xxx __iomem *reg; 159 int status; 160 unsigned long iter; 161 uint32_t stat; 162 uint16_t hccr; 163 uint16_t mb[4]; 164 struct rsp_que *rsp; 165 struct qla_hw_data *ha; 166 unsigned long flags; 167 168 rsp = (struct rsp_que *) dev_id; 169 if (!rsp) { 170 ql_log(ql_log_info, NULL, 0x5058, 171 "%s: NULL response queue pointer.\n", __func__); 172 return (IRQ_NONE); 173 } 174 175 ha = rsp->hw; 176 reg = &ha->iobase->isp; 177 status = 0; 178 179 spin_lock_irqsave(&ha->hardware_lock, flags); 180 vha = pci_get_drvdata(ha->pdev); 181 for (iter = 50; iter--; ) { 182 stat = RD_REG_DWORD(®->u.isp2300.host_status); 183 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 184 break; 185 if (stat & HSR_RISC_PAUSED) { 186 if (unlikely(pci_channel_offline(ha->pdev))) 187 break; 188 189 hccr = RD_REG_WORD(®->hccr); 190 191 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) 192 ql_log(ql_log_warn, vha, 0x5026, 193 "Parity error -- HCCR=%x, Dumping " 194 "firmware.\n", hccr); 195 else 196 ql_log(ql_log_warn, vha, 0x5027, 197 "RISC paused -- HCCR=%x, Dumping " 198 "firmware.\n", hccr); 199 200 /* 201 * Issue a "HARD" reset in order for the RISC 202 * interrupt bit to be cleared. Schedule a big 203 * hammer to get out of the RISC PAUSED state. 204 */ 205 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 206 RD_REG_WORD(®->hccr); 207 208 ha->isp_ops->fw_dump(vha, 1); 209 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 210 break; 211 } else if ((stat & HSR_RISC_INT) == 0) 212 break; 213 214 switch (stat & 0xff) { 215 case 0x1: 216 case 0x2: 217 case 0x10: 218 case 0x11: 219 qla2x00_mbx_completion(vha, MSW(stat)); 220 status |= MBX_INTERRUPT; 221 222 /* Release mailbox registers. */ 223 WRT_REG_WORD(®->semaphore, 0); 224 break; 225 case 0x12: 226 mb[0] = MSW(stat); 227 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 228 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 229 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 230 qla2x00_async_event(vha, rsp, mb); 231 break; 232 case 0x13: 233 qla2x00_process_response_queue(rsp); 234 break; 235 case 0x15: 236 mb[0] = MBA_CMPLT_1_16BIT; 237 mb[1] = MSW(stat); 238 qla2x00_async_event(vha, rsp, mb); 239 break; 240 case 0x16: 241 mb[0] = MBA_SCSI_COMPLETION; 242 mb[1] = MSW(stat); 243 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 244 qla2x00_async_event(vha, rsp, mb); 245 break; 246 default: 247 ql_dbg(ql_dbg_async, vha, 0x5028, 248 "Unrecognized interrupt type (%d).\n", stat & 0xff); 249 break; 250 } 251 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 252 RD_REG_WORD_RELAXED(®->hccr); 253 } 254 qla2x00_handle_mbx_completion(ha, status); 255 spin_unlock_irqrestore(&ha->hardware_lock, flags); 256 257 return (IRQ_HANDLED); 258 } 259 260 /** 261 * qla2x00_mbx_completion() - Process mailbox command completions. 262 * @vha: SCSI driver HA context 263 * @mb0: Mailbox0 register 264 */ 265 static void 266 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 267 { 268 uint16_t cnt; 269 uint32_t mboxes; 270 uint16_t __iomem *wptr; 271 struct qla_hw_data *ha = vha->hw; 272 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 273 274 /* Read all mbox registers? */ 275 WARN_ON_ONCE(ha->mbx_count > 32); 276 mboxes = (1ULL << ha->mbx_count) - 1; 277 if (!ha->mcp) 278 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); 279 else 280 mboxes = ha->mcp->in_mb; 281 282 /* Load return mailbox registers. */ 283 ha->flags.mbox_int = 1; 284 ha->mailbox_out[0] = mb0; 285 mboxes >>= 1; 286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); 287 288 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 289 if (IS_QLA2200(ha) && cnt == 8) 290 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); 291 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) 292 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); 293 else if (mboxes & BIT_0) 294 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 295 296 wptr++; 297 mboxes >>= 1; 298 } 299 } 300 301 static void 302 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) 303 { 304 static char *event[] = 305 { "Complete", "Request Notification", "Time Extension" }; 306 int rval; 307 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; 308 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; 309 uint16_t __iomem *wptr; 310 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; 311 312 /* Seed data -- mailbox1 -> mailbox7. */ 313 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) 314 wptr = (uint16_t __iomem *)®24->mailbox1; 315 else if (IS_QLA8044(vha->hw)) 316 wptr = (uint16_t __iomem *)®82->mailbox_out[1]; 317 else 318 return; 319 320 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) 321 mb[cnt] = RD_REG_WORD(wptr); 322 323 ql_dbg(ql_dbg_async, vha, 0x5021, 324 "Inter-Driver Communication %s -- " 325 "%04x %04x %04x %04x %04x %04x %04x.\n", 326 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], 327 mb[4], mb[5], mb[6]); 328 switch (aen) { 329 /* Handle IDC Error completion case. */ 330 case MBA_IDC_COMPLETE: 331 if (mb[1] >> 15) { 332 vha->hw->flags.idc_compl_status = 1; 333 if (vha->hw->notify_dcbx_comp && !vha->vp_idx) 334 complete(&vha->hw->dcbx_comp); 335 } 336 break; 337 338 case MBA_IDC_NOTIFY: 339 /* Acknowledgement needed? [Notify && non-zero timeout]. */ 340 timeout = (descr >> 8) & 0xf; 341 ql_dbg(ql_dbg_async, vha, 0x5022, 342 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", 343 vha->host_no, event[aen & 0xff], timeout); 344 345 if (!timeout) 346 return; 347 rval = qla2x00_post_idc_ack_work(vha, mb); 348 if (rval != QLA_SUCCESS) 349 ql_log(ql_log_warn, vha, 0x5023, 350 "IDC failed to post ACK.\n"); 351 break; 352 case MBA_IDC_TIME_EXT: 353 vha->hw->idc_extend_tmo = descr; 354 ql_dbg(ql_dbg_async, vha, 0x5087, 355 "%lu Inter-Driver Communication %s -- " 356 "Extend timeout by=%d.\n", 357 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); 358 break; 359 } 360 } 361 362 #define LS_UNKNOWN 2 363 const char * 364 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) 365 { 366 static const char *const link_speeds[] = { 367 "1", "2", "?", "4", "8", "16", "32", "10" 368 }; 369 #define QLA_LAST_SPEED 7 370 371 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 372 return link_speeds[0]; 373 else if (speed == 0x13) 374 return link_speeds[QLA_LAST_SPEED]; 375 else if (speed < QLA_LAST_SPEED) 376 return link_speeds[speed]; 377 else 378 return link_speeds[LS_UNKNOWN]; 379 } 380 381 static void 382 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 383 { 384 struct qla_hw_data *ha = vha->hw; 385 386 /* 387 * 8200 AEN Interpretation: 388 * mb[0] = AEN code 389 * mb[1] = AEN Reason code 390 * mb[2] = LSW of Peg-Halt Status-1 Register 391 * mb[6] = MSW of Peg-Halt Status-1 Register 392 * mb[3] = LSW of Peg-Halt Status-2 register 393 * mb[7] = MSW of Peg-Halt Status-2 register 394 * mb[4] = IDC Device-State Register value 395 * mb[5] = IDC Driver-Presence Register value 396 */ 397 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " 398 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", 399 mb[0], mb[1], mb[2], mb[6]); 400 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " 401 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " 402 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); 403 404 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | 405 IDC_HEARTBEAT_FAILURE)) { 406 ha->flags.nic_core_hung = 1; 407 ql_log(ql_log_warn, vha, 0x5060, 408 "83XX: F/W Error Reported: Check if reset required.\n"); 409 410 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { 411 uint32_t protocol_engine_id, fw_err_code, err_level; 412 413 /* 414 * IDC_PEG_HALT_STATUS_CHANGE interpretation: 415 * - PEG-Halt Status-1 Register: 416 * (LSW = mb[2], MSW = mb[6]) 417 * Bits 0-7 = protocol-engine ID 418 * Bits 8-28 = f/w error code 419 * Bits 29-31 = Error-level 420 * Error-level 0x1 = Non-Fatal error 421 * Error-level 0x2 = Recoverable Fatal error 422 * Error-level 0x4 = UnRecoverable Fatal error 423 * - PEG-Halt Status-2 Register: 424 * (LSW = mb[3], MSW = mb[7]) 425 */ 426 protocol_engine_id = (mb[2] & 0xff); 427 fw_err_code = (((mb[2] & 0xff00) >> 8) | 428 ((mb[6] & 0x1fff) << 8)); 429 err_level = ((mb[6] & 0xe000) >> 13); 430 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " 431 "Register: protocol_engine_id=0x%x " 432 "fw_err_code=0x%x err_level=0x%x.\n", 433 protocol_engine_id, fw_err_code, err_level); 434 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " 435 "Register: 0x%x%x.\n", mb[7], mb[3]); 436 if (err_level == ERR_LEVEL_NON_FATAL) { 437 ql_log(ql_log_warn, vha, 0x5063, 438 "Not a fatal error, f/w has recovered itself.\n"); 439 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { 440 ql_log(ql_log_fatal, vha, 0x5064, 441 "Recoverable Fatal error: Chip reset " 442 "required.\n"); 443 qla83xx_schedule_work(vha, 444 QLA83XX_NIC_CORE_RESET); 445 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { 446 ql_log(ql_log_fatal, vha, 0x5065, 447 "Unrecoverable Fatal error: Set FAILED " 448 "state, reboot required.\n"); 449 qla83xx_schedule_work(vha, 450 QLA83XX_NIC_CORE_UNRECOVERABLE); 451 } 452 } 453 454 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { 455 uint16_t peg_fw_state, nw_interface_link_up; 456 uint16_t nw_interface_signal_detect, sfp_status; 457 uint16_t htbt_counter, htbt_monitor_enable; 458 uint16_t sfp_additional_info, sfp_multirate; 459 uint16_t sfp_tx_fault, link_speed, dcbx_status; 460 461 /* 462 * IDC_NIC_FW_REPORTED_FAILURE interpretation: 463 * - PEG-to-FC Status Register: 464 * (LSW = mb[2], MSW = mb[6]) 465 * Bits 0-7 = Peg-Firmware state 466 * Bit 8 = N/W Interface Link-up 467 * Bit 9 = N/W Interface signal detected 468 * Bits 10-11 = SFP Status 469 * SFP Status 0x0 = SFP+ transceiver not expected 470 * SFP Status 0x1 = SFP+ transceiver not present 471 * SFP Status 0x2 = SFP+ transceiver invalid 472 * SFP Status 0x3 = SFP+ transceiver present and 473 * valid 474 * Bits 12-14 = Heartbeat Counter 475 * Bit 15 = Heartbeat Monitor Enable 476 * Bits 16-17 = SFP Additional Info 477 * SFP info 0x0 = Unregocnized transceiver for 478 * Ethernet 479 * SFP info 0x1 = SFP+ brand validation failed 480 * SFP info 0x2 = SFP+ speed validation failed 481 * SFP info 0x3 = SFP+ access error 482 * Bit 18 = SFP Multirate 483 * Bit 19 = SFP Tx Fault 484 * Bits 20-22 = Link Speed 485 * Bits 23-27 = Reserved 486 * Bits 28-30 = DCBX Status 487 * DCBX Status 0x0 = DCBX Disabled 488 * DCBX Status 0x1 = DCBX Enabled 489 * DCBX Status 0x2 = DCBX Exchange error 490 * Bit 31 = Reserved 491 */ 492 peg_fw_state = (mb[2] & 0x00ff); 493 nw_interface_link_up = ((mb[2] & 0x0100) >> 8); 494 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); 495 sfp_status = ((mb[2] & 0x0c00) >> 10); 496 htbt_counter = ((mb[2] & 0x7000) >> 12); 497 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); 498 sfp_additional_info = (mb[6] & 0x0003); 499 sfp_multirate = ((mb[6] & 0x0004) >> 2); 500 sfp_tx_fault = ((mb[6] & 0x0008) >> 3); 501 link_speed = ((mb[6] & 0x0070) >> 4); 502 dcbx_status = ((mb[6] & 0x7000) >> 12); 503 504 ql_log(ql_log_warn, vha, 0x5066, 505 "Peg-to-Fc Status Register:\n" 506 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " 507 "nw_interface_signal_detect=0x%x" 508 "\nsfp_statis=0x%x.\n ", peg_fw_state, 509 nw_interface_link_up, nw_interface_signal_detect, 510 sfp_status); 511 ql_log(ql_log_warn, vha, 0x5067, 512 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " 513 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ", 514 htbt_counter, htbt_monitor_enable, 515 sfp_additional_info, sfp_multirate); 516 ql_log(ql_log_warn, vha, 0x5068, 517 "sfp_tx_fault=0x%x, link_state=0x%x, " 518 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, 519 dcbx_status); 520 521 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 522 } 523 524 if (mb[1] & IDC_HEARTBEAT_FAILURE) { 525 ql_log(ql_log_warn, vha, 0x5069, 526 "Heartbeat Failure encountered, chip reset " 527 "required.\n"); 528 529 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 530 } 531 } 532 533 if (mb[1] & IDC_DEVICE_STATE_CHANGE) { 534 ql_log(ql_log_info, vha, 0x506a, 535 "IDC Device-State changed = 0x%x.\n", mb[4]); 536 if (ha->flags.nic_core_reset_owner) 537 return; 538 qla83xx_schedule_work(vha, MBA_IDC_AEN); 539 } 540 } 541 542 int 543 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) 544 { 545 struct qla_hw_data *ha = vha->hw; 546 scsi_qla_host_t *vp; 547 uint32_t vp_did; 548 unsigned long flags; 549 int ret = 0; 550 551 if (!ha->num_vhosts) 552 return ret; 553 554 spin_lock_irqsave(&ha->vport_slock, flags); 555 list_for_each_entry(vp, &ha->vp_list, list) { 556 vp_did = vp->d_id.b24; 557 if (vp_did == rscn_entry) { 558 ret = 1; 559 break; 560 } 561 } 562 spin_unlock_irqrestore(&ha->vport_slock, flags); 563 564 return ret; 565 } 566 567 fc_port_t * 568 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id) 569 { 570 fc_port_t *f, *tf; 571 572 f = tf = NULL; 573 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) 574 if (f->loop_id == loop_id) 575 return f; 576 return NULL; 577 } 578 579 fc_port_t * 580 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted) 581 { 582 fc_port_t *f, *tf; 583 584 f = tf = NULL; 585 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 586 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) { 587 if (incl_deleted) 588 return f; 589 else if (f->deleted == 0) 590 return f; 591 } 592 } 593 return NULL; 594 } 595 596 fc_port_t * 597 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id, 598 u8 incl_deleted) 599 { 600 fc_port_t *f, *tf; 601 602 f = tf = NULL; 603 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 604 if (f->d_id.b24 == id->b24) { 605 if (incl_deleted) 606 return f; 607 else if (f->deleted == 0) 608 return f; 609 } 610 } 611 return NULL; 612 } 613 614 /** 615 * qla2x00_async_event() - Process aynchronous events. 616 * @vha: SCSI driver HA context 617 * @rsp: response queue 618 * @mb: Mailbox registers (0 - 3) 619 */ 620 void 621 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 622 { 623 uint16_t handle_cnt; 624 uint16_t cnt, mbx; 625 uint32_t handles[5]; 626 struct qla_hw_data *ha = vha->hw; 627 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 628 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 629 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 630 uint32_t rscn_entry, host_pid; 631 unsigned long flags; 632 fc_port_t *fcport = NULL; 633 634 if (!vha->hw->flags.fw_started) 635 return; 636 637 /* Setup to process RIO completion. */ 638 handle_cnt = 0; 639 if (IS_CNA_CAPABLE(ha)) 640 goto skip_rio; 641 switch (mb[0]) { 642 case MBA_SCSI_COMPLETION: 643 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 644 handle_cnt = 1; 645 break; 646 case MBA_CMPLT_1_16BIT: 647 handles[0] = mb[1]; 648 handle_cnt = 1; 649 mb[0] = MBA_SCSI_COMPLETION; 650 break; 651 case MBA_CMPLT_2_16BIT: 652 handles[0] = mb[1]; 653 handles[1] = mb[2]; 654 handle_cnt = 2; 655 mb[0] = MBA_SCSI_COMPLETION; 656 break; 657 case MBA_CMPLT_3_16BIT: 658 handles[0] = mb[1]; 659 handles[1] = mb[2]; 660 handles[2] = mb[3]; 661 handle_cnt = 3; 662 mb[0] = MBA_SCSI_COMPLETION; 663 break; 664 case MBA_CMPLT_4_16BIT: 665 handles[0] = mb[1]; 666 handles[1] = mb[2]; 667 handles[2] = mb[3]; 668 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 669 handle_cnt = 4; 670 mb[0] = MBA_SCSI_COMPLETION; 671 break; 672 case MBA_CMPLT_5_16BIT: 673 handles[0] = mb[1]; 674 handles[1] = mb[2]; 675 handles[2] = mb[3]; 676 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 677 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 678 handle_cnt = 5; 679 mb[0] = MBA_SCSI_COMPLETION; 680 break; 681 case MBA_CMPLT_2_32BIT: 682 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 683 handles[1] = le32_to_cpu( 684 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | 685 RD_MAILBOX_REG(ha, reg, 6)); 686 handle_cnt = 2; 687 mb[0] = MBA_SCSI_COMPLETION; 688 break; 689 default: 690 break; 691 } 692 skip_rio: 693 switch (mb[0]) { 694 case MBA_SCSI_COMPLETION: /* Fast Post */ 695 if (!vha->flags.online) 696 break; 697 698 for (cnt = 0; cnt < handle_cnt; cnt++) 699 qla2x00_process_completed_request(vha, rsp->req, 700 handles[cnt]); 701 break; 702 703 case MBA_RESET: /* Reset */ 704 ql_dbg(ql_dbg_async, vha, 0x5002, 705 "Asynchronous RESET.\n"); 706 707 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 708 break; 709 710 case MBA_SYSTEM_ERR: /* System Error */ 711 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ? 712 RD_REG_WORD(®24->mailbox7) : 0; 713 ql_log(ql_log_warn, vha, 0x5003, 714 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " 715 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); 716 717 ha->isp_ops->fw_dump(vha, 1); 718 ha->flags.fw_init_done = 0; 719 QLA_FW_STOPPED(ha); 720 721 if (IS_FWI2_CAPABLE(ha)) { 722 if (mb[1] == 0 && mb[2] == 0) { 723 ql_log(ql_log_fatal, vha, 0x5004, 724 "Unrecoverable Hardware Error: adapter " 725 "marked OFFLINE!\n"); 726 vha->flags.online = 0; 727 vha->device_flags |= DFLG_DEV_FAILED; 728 } else { 729 /* Check to see if MPI timeout occurred */ 730 if ((mbx & MBX_3) && (ha->port_no == 0)) 731 set_bit(MPI_RESET_NEEDED, 732 &vha->dpc_flags); 733 734 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 735 } 736 } else if (mb[1] == 0) { 737 ql_log(ql_log_fatal, vha, 0x5005, 738 "Unrecoverable Hardware Error: adapter marked " 739 "OFFLINE!\n"); 740 vha->flags.online = 0; 741 vha->device_flags |= DFLG_DEV_FAILED; 742 } else 743 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 744 break; 745 746 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 747 ql_log(ql_log_warn, vha, 0x5006, 748 "ISP Request Transfer Error (%x).\n", mb[1]); 749 750 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 751 break; 752 753 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 754 ql_log(ql_log_warn, vha, 0x5007, 755 "ISP Response Transfer Error (%x).\n", mb[1]); 756 757 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 758 break; 759 760 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 761 ql_dbg(ql_dbg_async, vha, 0x5008, 762 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); 763 break; 764 765 case MBA_LOOP_INIT_ERR: 766 ql_log(ql_log_warn, vha, 0x5090, 767 "LOOP INIT ERROR (%x).\n", mb[1]); 768 ha->isp_ops->fw_dump(vha, 1); 769 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 770 break; 771 772 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 773 ha->flags.lip_ae = 1; 774 775 ql_dbg(ql_dbg_async, vha, 0x5009, 776 "LIP occurred (%x).\n", mb[1]); 777 778 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 779 atomic_set(&vha->loop_state, LOOP_DOWN); 780 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 781 qla2x00_mark_all_devices_lost(vha, 1); 782 } 783 784 if (vha->vp_idx) { 785 atomic_set(&vha->vp_state, VP_FAILED); 786 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 787 } 788 789 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 790 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 791 792 vha->flags.management_server_logged_in = 0; 793 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 794 break; 795 796 case MBA_LOOP_UP: /* Loop Up Event */ 797 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 798 ha->link_data_rate = PORT_SPEED_1GB; 799 else 800 ha->link_data_rate = mb[1]; 801 802 ql_log(ql_log_info, vha, 0x500a, 803 "LOOP UP detected (%s Gbps).\n", 804 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 805 806 vha->flags.management_server_logged_in = 0; 807 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 808 809 if (AUTO_DETECT_SFP_SUPPORT(vha)) { 810 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); 811 qla2xxx_wake_dpc(vha); 812 } 813 break; 814 815 case MBA_LOOP_DOWN: /* Loop Down Event */ 816 SAVE_TOPO(ha); 817 ha->flags.lip_ae = 0; 818 ha->current_topology = 0; 819 820 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 821 ? RD_REG_WORD(®24->mailbox4) : 0; 822 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) 823 : mbx; 824 ql_log(ql_log_info, vha, 0x500b, 825 "LOOP DOWN detected (%x %x %x %x).\n", 826 mb[1], mb[2], mb[3], mbx); 827 828 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 829 atomic_set(&vha->loop_state, LOOP_DOWN); 830 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 831 /* 832 * In case of loop down, restore WWPN from 833 * NVRAM in case of FA-WWPN capable ISP 834 * Restore for Physical Port only 835 */ 836 if (!vha->vp_idx) { 837 if (ha->flags.fawwpn_enabled && 838 (ha->current_topology == ISP_CFG_F)) { 839 void *wwpn = ha->init_cb->port_name; 840 memcpy(vha->port_name, wwpn, WWN_SIZE); 841 fc_host_port_name(vha->host) = 842 wwn_to_u64(vha->port_name); 843 ql_dbg(ql_dbg_init + ql_dbg_verbose, 844 vha, 0x00d8, "LOOP DOWN detected," 845 "restore WWPN %016llx\n", 846 wwn_to_u64(vha->port_name)); 847 } 848 849 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 850 } 851 852 vha->device_flags |= DFLG_NO_CABLE; 853 qla2x00_mark_all_devices_lost(vha, 1); 854 } 855 856 if (vha->vp_idx) { 857 atomic_set(&vha->vp_state, VP_FAILED); 858 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 859 } 860 861 vha->flags.management_server_logged_in = 0; 862 ha->link_data_rate = PORT_SPEED_UNKNOWN; 863 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 864 break; 865 866 case MBA_LIP_RESET: /* LIP reset occurred */ 867 ql_dbg(ql_dbg_async, vha, 0x500c, 868 "LIP reset occurred (%x).\n", mb[1]); 869 870 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 871 atomic_set(&vha->loop_state, LOOP_DOWN); 872 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 873 qla2x00_mark_all_devices_lost(vha, 1); 874 } 875 876 if (vha->vp_idx) { 877 atomic_set(&vha->vp_state, VP_FAILED); 878 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 879 } 880 881 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 882 883 ha->operating_mode = LOOP; 884 vha->flags.management_server_logged_in = 0; 885 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 886 break; 887 888 /* case MBA_DCBX_COMPLETE: */ 889 case MBA_POINT_TO_POINT: /* Point-to-Point */ 890 ha->flags.lip_ae = 0; 891 892 if (IS_QLA2100(ha)) 893 break; 894 895 if (IS_CNA_CAPABLE(ha)) { 896 ql_dbg(ql_dbg_async, vha, 0x500d, 897 "DCBX Completed -- %04x %04x %04x.\n", 898 mb[1], mb[2], mb[3]); 899 if (ha->notify_dcbx_comp && !vha->vp_idx) 900 complete(&ha->dcbx_comp); 901 902 } else 903 ql_dbg(ql_dbg_async, vha, 0x500e, 904 "Asynchronous P2P MODE received.\n"); 905 906 /* 907 * Until there's a transition from loop down to loop up, treat 908 * this as loop down only. 909 */ 910 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 911 atomic_set(&vha->loop_state, LOOP_DOWN); 912 if (!atomic_read(&vha->loop_down_timer)) 913 atomic_set(&vha->loop_down_timer, 914 LOOP_DOWN_TIME); 915 if (!N2N_TOPO(ha)) 916 qla2x00_mark_all_devices_lost(vha, 1); 917 } 918 919 if (vha->vp_idx) { 920 atomic_set(&vha->vp_state, VP_FAILED); 921 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 922 } 923 924 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 925 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 926 927 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 928 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 929 930 vha->flags.management_server_logged_in = 0; 931 break; 932 933 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 934 if (IS_QLA2100(ha)) 935 break; 936 937 ql_dbg(ql_dbg_async, vha, 0x500f, 938 "Configuration change detected: value=%x.\n", mb[1]); 939 940 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 941 atomic_set(&vha->loop_state, LOOP_DOWN); 942 if (!atomic_read(&vha->loop_down_timer)) 943 atomic_set(&vha->loop_down_timer, 944 LOOP_DOWN_TIME); 945 qla2x00_mark_all_devices_lost(vha, 1); 946 } 947 948 if (vha->vp_idx) { 949 atomic_set(&vha->vp_state, VP_FAILED); 950 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 951 } 952 953 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 954 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 955 break; 956 957 case MBA_PORT_UPDATE: /* Port database update */ 958 /* 959 * Handle only global and vn-port update events 960 * 961 * Relevant inputs: 962 * mb[1] = N_Port handle of changed port 963 * OR 0xffff for global event 964 * mb[2] = New login state 965 * 7 = Port logged out 966 * mb[3] = LSB is vp_idx, 0xff = all vps 967 * 968 * Skip processing if: 969 * Event is global, vp_idx is NOT all vps, 970 * vp_idx does not match 971 * Event is not global, vp_idx does not match 972 */ 973 if (IS_QLA2XXX_MIDTYPE(ha) && 974 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 975 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 976 break; 977 978 if (mb[2] == 0x7) { 979 ql_dbg(ql_dbg_async, vha, 0x5010, 980 "Port %s %04x %04x %04x.\n", 981 mb[1] == 0xffff ? "unavailable" : "logout", 982 mb[1], mb[2], mb[3]); 983 984 if (mb[1] == 0xffff) 985 goto global_port_update; 986 987 if (mb[1] == NPH_SNS_LID(ha)) { 988 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 989 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 990 break; 991 } 992 993 /* use handle_cnt for loop id/nport handle */ 994 if (IS_FWI2_CAPABLE(ha)) 995 handle_cnt = NPH_SNS; 996 else 997 handle_cnt = SIMPLE_NAME_SERVER; 998 if (mb[1] == handle_cnt) { 999 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1000 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1001 break; 1002 } 1003 1004 /* Port logout */ 1005 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); 1006 if (!fcport) 1007 break; 1008 if (atomic_read(&fcport->state) != FCS_ONLINE) 1009 break; 1010 ql_dbg(ql_dbg_async, vha, 0x508a, 1011 "Marking port lost loopid=%04x portid=%06x.\n", 1012 fcport->loop_id, fcport->d_id.b24); 1013 if (qla_ini_mode_enabled(vha)) { 1014 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 1015 fcport->logout_on_delete = 0; 1016 qlt_schedule_sess_for_deletion(fcport); 1017 } 1018 break; 1019 1020 global_port_update: 1021 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1022 atomic_set(&vha->loop_state, LOOP_DOWN); 1023 atomic_set(&vha->loop_down_timer, 1024 LOOP_DOWN_TIME); 1025 vha->device_flags |= DFLG_NO_CABLE; 1026 qla2x00_mark_all_devices_lost(vha, 1); 1027 } 1028 1029 if (vha->vp_idx) { 1030 atomic_set(&vha->vp_state, VP_FAILED); 1031 fc_vport_set_state(vha->fc_vport, 1032 FC_VPORT_FAILED); 1033 qla2x00_mark_all_devices_lost(vha, 1); 1034 } 1035 1036 vha->flags.management_server_logged_in = 0; 1037 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1038 break; 1039 } 1040 1041 /* 1042 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 1043 * event etc. earlier indicating loop is down) then process 1044 * it. Otherwise ignore it and Wait for RSCN to come in. 1045 */ 1046 atomic_set(&vha->loop_down_timer, 0); 1047 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 1048 !ha->flags.n2n_ae && 1049 atomic_read(&vha->loop_state) != LOOP_DEAD) { 1050 ql_dbg(ql_dbg_async, vha, 0x5011, 1051 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 1052 mb[1], mb[2], mb[3]); 1053 1054 qlt_async_event(mb[0], vha, mb); 1055 break; 1056 } 1057 1058 ql_dbg(ql_dbg_async, vha, 0x5012, 1059 "Port database changed %04x %04x %04x.\n", 1060 mb[1], mb[2], mb[3]); 1061 1062 /* 1063 * Mark all devices as missing so we will login again. 1064 */ 1065 atomic_set(&vha->loop_state, LOOP_UP); 1066 vha->scan.scan_retry = 0; 1067 1068 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1069 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1070 set_bit(VP_CONFIG_OK, &vha->vp_flags); 1071 1072 qlt_async_event(mb[0], vha, mb); 1073 break; 1074 1075 case MBA_RSCN_UPDATE: /* State Change Registration */ 1076 /* Check if the Vport has issued a SCR */ 1077 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 1078 break; 1079 /* Only handle SCNs for our Vport index. */ 1080 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 1081 break; 1082 1083 ql_dbg(ql_dbg_async, vha, 0x5013, 1084 "RSCN database changed -- %04x %04x %04x.\n", 1085 mb[1], mb[2], mb[3]); 1086 1087 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 1088 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 1089 | vha->d_id.b.al_pa; 1090 if (rscn_entry == host_pid) { 1091 ql_dbg(ql_dbg_async, vha, 0x5014, 1092 "Ignoring RSCN update to local host " 1093 "port ID (%06x).\n", host_pid); 1094 break; 1095 } 1096 1097 /* Ignore reserved bits from RSCN-payload. */ 1098 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 1099 1100 /* Skip RSCNs for virtual ports on the same physical port */ 1101 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 1102 break; 1103 1104 atomic_set(&vha->loop_down_timer, 0); 1105 vha->flags.management_server_logged_in = 0; 1106 { 1107 struct event_arg ea; 1108 1109 memset(&ea, 0, sizeof(ea)); 1110 ea.event = FCME_RSCN; 1111 ea.id.b24 = rscn_entry; 1112 ea.id.b.rsvd_1 = rscn_entry >> 24; 1113 qla2x00_fcport_event_handler(vha, &ea); 1114 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1115 } 1116 break; 1117 /* case MBA_RIO_RESPONSE: */ 1118 case MBA_ZIO_RESPONSE: 1119 ql_dbg(ql_dbg_async, vha, 0x5015, 1120 "[R|Z]IO update completion.\n"); 1121 1122 if (IS_FWI2_CAPABLE(ha)) 1123 qla24xx_process_response_queue(vha, rsp); 1124 else 1125 qla2x00_process_response_queue(rsp); 1126 break; 1127 1128 case MBA_DISCARD_RND_FRAME: 1129 ql_dbg(ql_dbg_async, vha, 0x5016, 1130 "Discard RND Frame -- %04x %04x %04x.\n", 1131 mb[1], mb[2], mb[3]); 1132 break; 1133 1134 case MBA_TRACE_NOTIFICATION: 1135 ql_dbg(ql_dbg_async, vha, 0x5017, 1136 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1137 break; 1138 1139 case MBA_ISP84XX_ALERT: 1140 ql_dbg(ql_dbg_async, vha, 0x5018, 1141 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1142 mb[1], mb[2], mb[3]); 1143 1144 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1145 switch (mb[1]) { 1146 case A84_PANIC_RECOVERY: 1147 ql_log(ql_log_info, vha, 0x5019, 1148 "Alert 84XX: panic recovery %04x %04x.\n", 1149 mb[2], mb[3]); 1150 break; 1151 case A84_OP_LOGIN_COMPLETE: 1152 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1153 ql_log(ql_log_info, vha, 0x501a, 1154 "Alert 84XX: firmware version %x.\n", 1155 ha->cs84xx->op_fw_version); 1156 break; 1157 case A84_DIAG_LOGIN_COMPLETE: 1158 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1159 ql_log(ql_log_info, vha, 0x501b, 1160 "Alert 84XX: diagnostic firmware version %x.\n", 1161 ha->cs84xx->diag_fw_version); 1162 break; 1163 case A84_GOLD_LOGIN_COMPLETE: 1164 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1165 ha->cs84xx->fw_update = 1; 1166 ql_log(ql_log_info, vha, 0x501c, 1167 "Alert 84XX: gold firmware version %x.\n", 1168 ha->cs84xx->gold_fw_version); 1169 break; 1170 default: 1171 ql_log(ql_log_warn, vha, 0x501d, 1172 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1173 mb[1], mb[2], mb[3]); 1174 } 1175 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1176 break; 1177 case MBA_DCBX_START: 1178 ql_dbg(ql_dbg_async, vha, 0x501e, 1179 "DCBX Started -- %04x %04x %04x.\n", 1180 mb[1], mb[2], mb[3]); 1181 break; 1182 case MBA_DCBX_PARAM_UPDATE: 1183 ql_dbg(ql_dbg_async, vha, 0x501f, 1184 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1185 mb[1], mb[2], mb[3]); 1186 break; 1187 case MBA_FCF_CONF_ERR: 1188 ql_dbg(ql_dbg_async, vha, 0x5020, 1189 "FCF Configuration Error -- %04x %04x %04x.\n", 1190 mb[1], mb[2], mb[3]); 1191 break; 1192 case MBA_IDC_NOTIFY: 1193 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1194 mb[4] = RD_REG_WORD(®24->mailbox4); 1195 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1196 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1197 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1198 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1199 /* 1200 * Extend loop down timer since port is active. 1201 */ 1202 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1203 atomic_set(&vha->loop_down_timer, 1204 LOOP_DOWN_TIME); 1205 qla2xxx_wake_dpc(vha); 1206 } 1207 } 1208 /* fall through */ 1209 case MBA_IDC_COMPLETE: 1210 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1211 complete(&ha->lb_portup_comp); 1212 /* Fallthru */ 1213 case MBA_IDC_TIME_EXT: 1214 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1215 IS_QLA8044(ha)) 1216 qla81xx_idc_event(vha, mb[0], mb[1]); 1217 break; 1218 1219 case MBA_IDC_AEN: 1220 mb[4] = RD_REG_WORD(®24->mailbox4); 1221 mb[5] = RD_REG_WORD(®24->mailbox5); 1222 mb[6] = RD_REG_WORD(®24->mailbox6); 1223 mb[7] = RD_REG_WORD(®24->mailbox7); 1224 qla83xx_handle_8200_aen(vha, mb); 1225 break; 1226 1227 case MBA_DPORT_DIAGNOSTICS: 1228 ql_dbg(ql_dbg_async, vha, 0x5052, 1229 "D-Port Diagnostics: %04x result=%s\n", 1230 mb[0], 1231 mb[1] == 0 ? "start" : 1232 mb[1] == 1 ? "done (pass)" : 1233 mb[1] == 2 ? "done (error)" : "other"); 1234 break; 1235 1236 case MBA_TEMPERATURE_ALERT: 1237 ql_dbg(ql_dbg_async, vha, 0x505e, 1238 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); 1239 if (mb[1] == 0x12) 1240 schedule_work(&ha->board_disable); 1241 break; 1242 1243 case MBA_TRANS_INSERT: 1244 ql_dbg(ql_dbg_async, vha, 0x5091, 1245 "Transceiver Insertion: %04x\n", mb[1]); 1246 break; 1247 1248 default: 1249 ql_dbg(ql_dbg_async, vha, 0x5057, 1250 "Unknown AEN:%04x %04x %04x %04x\n", 1251 mb[0], mb[1], mb[2], mb[3]); 1252 } 1253 1254 qlt_async_event(mb[0], vha, mb); 1255 1256 if (!vha->vp_idx && ha->num_vhosts) 1257 qla2x00_alert_all_vps(rsp, mb); 1258 } 1259 1260 /** 1261 * qla2x00_process_completed_request() - Process a Fast Post response. 1262 * @vha: SCSI driver HA context 1263 * @req: request queue 1264 * @index: SRB index 1265 */ 1266 void 1267 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1268 struct req_que *req, uint32_t index) 1269 { 1270 srb_t *sp; 1271 struct qla_hw_data *ha = vha->hw; 1272 1273 /* Validate handle. */ 1274 if (index >= req->num_outstanding_cmds) { 1275 ql_log(ql_log_warn, vha, 0x3014, 1276 "Invalid SCSI command index (%x).\n", index); 1277 1278 if (IS_P3P_TYPE(ha)) 1279 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1280 else 1281 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1282 return; 1283 } 1284 1285 sp = req->outstanding_cmds[index]; 1286 if (sp) { 1287 /* Free outstanding command slot. */ 1288 req->outstanding_cmds[index] = NULL; 1289 1290 /* Save ISP completion status */ 1291 sp->done(sp, DID_OK << 16); 1292 } else { 1293 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1294 1295 if (IS_P3P_TYPE(ha)) 1296 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1297 else 1298 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1299 } 1300 } 1301 1302 srb_t * 1303 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1304 struct req_que *req, void *iocb) 1305 { 1306 struct qla_hw_data *ha = vha->hw; 1307 sts_entry_t *pkt = iocb; 1308 srb_t *sp = NULL; 1309 uint16_t index; 1310 1311 index = LSW(pkt->handle); 1312 if (index >= req->num_outstanding_cmds) { 1313 ql_log(ql_log_warn, vha, 0x5031, 1314 "Invalid command index (%x) type %8ph.\n", 1315 index, iocb); 1316 if (IS_P3P_TYPE(ha)) 1317 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1318 else 1319 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1320 goto done; 1321 } 1322 sp = req->outstanding_cmds[index]; 1323 if (!sp) { 1324 ql_log(ql_log_warn, vha, 0x5032, 1325 "Invalid completion handle (%x) -- timed-out.\n", index); 1326 return sp; 1327 } 1328 if (sp->handle != index) { 1329 ql_log(ql_log_warn, vha, 0x5033, 1330 "SRB handle (%x) mismatch %x.\n", sp->handle, index); 1331 return NULL; 1332 } 1333 1334 req->outstanding_cmds[index] = NULL; 1335 1336 done: 1337 return sp; 1338 } 1339 1340 static void 1341 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1342 struct mbx_entry *mbx) 1343 { 1344 const char func[] = "MBX-IOCB"; 1345 const char *type; 1346 fc_port_t *fcport; 1347 srb_t *sp; 1348 struct srb_iocb *lio; 1349 uint16_t *data; 1350 uint16_t status; 1351 1352 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1353 if (!sp) 1354 return; 1355 1356 lio = &sp->u.iocb_cmd; 1357 type = sp->name; 1358 fcport = sp->fcport; 1359 data = lio->u.logio.data; 1360 1361 data[0] = MBS_COMMAND_ERROR; 1362 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1363 QLA_LOGIO_LOGIN_RETRIED : 0; 1364 if (mbx->entry_status) { 1365 ql_dbg(ql_dbg_async, vha, 0x5043, 1366 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1367 "entry-status=%x status=%x state-flag=%x " 1368 "status-flags=%x.\n", type, sp->handle, 1369 fcport->d_id.b.domain, fcport->d_id.b.area, 1370 fcport->d_id.b.al_pa, mbx->entry_status, 1371 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1372 le16_to_cpu(mbx->status_flags)); 1373 1374 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1375 (uint8_t *)mbx, sizeof(*mbx)); 1376 1377 goto logio_done; 1378 } 1379 1380 status = le16_to_cpu(mbx->status); 1381 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1382 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1383 status = 0; 1384 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1385 ql_dbg(ql_dbg_async, vha, 0x5045, 1386 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1387 type, sp->handle, fcport->d_id.b.domain, 1388 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1389 le16_to_cpu(mbx->mb1)); 1390 1391 data[0] = MBS_COMMAND_COMPLETE; 1392 if (sp->type == SRB_LOGIN_CMD) { 1393 fcport->port_type = FCT_TARGET; 1394 if (le16_to_cpu(mbx->mb1) & BIT_0) 1395 fcport->port_type = FCT_INITIATOR; 1396 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1397 fcport->flags |= FCF_FCP2_DEVICE; 1398 } 1399 goto logio_done; 1400 } 1401 1402 data[0] = le16_to_cpu(mbx->mb0); 1403 switch (data[0]) { 1404 case MBS_PORT_ID_USED: 1405 data[1] = le16_to_cpu(mbx->mb1); 1406 break; 1407 case MBS_LOOP_ID_USED: 1408 break; 1409 default: 1410 data[0] = MBS_COMMAND_ERROR; 1411 break; 1412 } 1413 1414 ql_log(ql_log_warn, vha, 0x5046, 1415 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1416 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1417 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1418 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1419 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1420 le16_to_cpu(mbx->mb7)); 1421 1422 logio_done: 1423 sp->done(sp, 0); 1424 } 1425 1426 static void 1427 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1428 struct mbx_24xx_entry *pkt) 1429 { 1430 const char func[] = "MBX-IOCB2"; 1431 srb_t *sp; 1432 struct srb_iocb *si; 1433 u16 sz, i; 1434 int res; 1435 1436 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1437 if (!sp) 1438 return; 1439 1440 si = &sp->u.iocb_cmd; 1441 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); 1442 1443 for (i = 0; i < sz; i++) 1444 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]); 1445 1446 res = (si->u.mbx.in_mb[0] & MBS_MASK); 1447 1448 sp->done(sp, res); 1449 } 1450 1451 static void 1452 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1453 struct nack_to_isp *pkt) 1454 { 1455 const char func[] = "nack"; 1456 srb_t *sp; 1457 int res = 0; 1458 1459 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1460 if (!sp) 1461 return; 1462 1463 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) 1464 res = QLA_FUNCTION_FAILED; 1465 1466 sp->done(sp, res); 1467 } 1468 1469 static void 1470 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1471 sts_entry_t *pkt, int iocb_type) 1472 { 1473 const char func[] = "CT_IOCB"; 1474 const char *type; 1475 srb_t *sp; 1476 struct bsg_job *bsg_job; 1477 struct fc_bsg_reply *bsg_reply; 1478 uint16_t comp_status; 1479 int res = 0; 1480 1481 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1482 if (!sp) 1483 return; 1484 1485 switch (sp->type) { 1486 case SRB_CT_CMD: 1487 bsg_job = sp->u.bsg_job; 1488 bsg_reply = bsg_job->reply; 1489 1490 type = "ct pass-through"; 1491 1492 comp_status = le16_to_cpu(pkt->comp_status); 1493 1494 /* 1495 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1496 * fc payload to the caller 1497 */ 1498 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1499 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1500 1501 if (comp_status != CS_COMPLETE) { 1502 if (comp_status == CS_DATA_UNDERRUN) { 1503 res = DID_OK << 16; 1504 bsg_reply->reply_payload_rcv_len = 1505 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); 1506 1507 ql_log(ql_log_warn, vha, 0x5048, 1508 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", 1509 type, comp_status, 1510 bsg_reply->reply_payload_rcv_len); 1511 } else { 1512 ql_log(ql_log_warn, vha, 0x5049, 1513 "CT pass-through-%s error comp_status=0x%x.\n", 1514 type, comp_status); 1515 res = DID_ERROR << 16; 1516 bsg_reply->reply_payload_rcv_len = 0; 1517 } 1518 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 1519 (uint8_t *)pkt, sizeof(*pkt)); 1520 } else { 1521 res = DID_OK << 16; 1522 bsg_reply->reply_payload_rcv_len = 1523 bsg_job->reply_payload.payload_len; 1524 bsg_job->reply_len = 0; 1525 } 1526 break; 1527 case SRB_CT_PTHRU_CMD: 1528 /* 1529 * borrowing sts_entry_24xx.comp_status. 1530 * same location as ct_entry_24xx.comp_status 1531 */ 1532 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 1533 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1534 sp->name); 1535 break; 1536 } 1537 1538 sp->done(sp, res); 1539 } 1540 1541 static void 1542 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1543 struct sts_entry_24xx *pkt, int iocb_type) 1544 { 1545 const char func[] = "ELS_CT_IOCB"; 1546 const char *type; 1547 srb_t *sp; 1548 struct bsg_job *bsg_job; 1549 struct fc_bsg_reply *bsg_reply; 1550 uint16_t comp_status; 1551 uint32_t fw_status[3]; 1552 int res; 1553 struct srb_iocb *els; 1554 1555 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1556 if (!sp) 1557 return; 1558 1559 type = NULL; 1560 switch (sp->type) { 1561 case SRB_ELS_CMD_RPT: 1562 case SRB_ELS_CMD_HST: 1563 type = "els"; 1564 break; 1565 case SRB_CT_CMD: 1566 type = "ct pass-through"; 1567 break; 1568 case SRB_ELS_DCMD: 1569 type = "Driver ELS logo"; 1570 if (iocb_type != ELS_IOCB_TYPE) { 1571 ql_dbg(ql_dbg_user, vha, 0x5047, 1572 "Completing %s: (%p) type=%d.\n", 1573 type, sp, sp->type); 1574 sp->done(sp, 0); 1575 return; 1576 } 1577 break; 1578 case SRB_CT_PTHRU_CMD: 1579 /* borrowing sts_entry_24xx.comp_status. 1580 same location as ct_entry_24xx.comp_status 1581 */ 1582 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt, 1583 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1584 sp->name); 1585 sp->done(sp, res); 1586 return; 1587 default: 1588 ql_dbg(ql_dbg_user, vha, 0x503e, 1589 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 1590 return; 1591 } 1592 1593 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 1594 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); 1595 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); 1596 1597 if (iocb_type == ELS_IOCB_TYPE) { 1598 els = &sp->u.iocb_cmd; 1599 els->u.els_plogi.fw_status[0] = fw_status[0]; 1600 els->u.els_plogi.fw_status[1] = fw_status[1]; 1601 els->u.els_plogi.fw_status[2] = fw_status[2]; 1602 els->u.els_plogi.comp_status = fw_status[0]; 1603 if (comp_status == CS_COMPLETE) { 1604 res = DID_OK << 16; 1605 } else { 1606 if (comp_status == CS_DATA_UNDERRUN) { 1607 res = DID_OK << 16; 1608 els->u.els_plogi.len = 1609 le16_to_cpu(((struct els_sts_entry_24xx *) 1610 pkt)->total_byte_count); 1611 } else { 1612 els->u.els_plogi.len = 0; 1613 res = DID_ERROR << 16; 1614 } 1615 } 1616 ql_log(ql_log_info, vha, 0x503f, 1617 "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", 1618 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1619 le16_to_cpu(((struct els_sts_entry_24xx *) 1620 pkt)->total_byte_count)); 1621 goto els_ct_done; 1622 } 1623 1624 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1625 * fc payload to the caller 1626 */ 1627 bsg_job = sp->u.bsg_job; 1628 bsg_reply = bsg_job->reply; 1629 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1630 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 1631 1632 if (comp_status != CS_COMPLETE) { 1633 if (comp_status == CS_DATA_UNDERRUN) { 1634 res = DID_OK << 16; 1635 bsg_reply->reply_payload_rcv_len = 1636 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); 1637 1638 ql_dbg(ql_dbg_user, vha, 0x503f, 1639 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1640 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 1641 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1642 le16_to_cpu(((struct els_sts_entry_24xx *) 1643 pkt)->total_byte_count)); 1644 } else { 1645 ql_dbg(ql_dbg_user, vha, 0x5040, 1646 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1647 "error subcode 1=0x%x error subcode 2=0x%x.\n", 1648 type, sp->handle, comp_status, 1649 le16_to_cpu(((struct els_sts_entry_24xx *) 1650 pkt)->error_subcode_1), 1651 le16_to_cpu(((struct els_sts_entry_24xx *) 1652 pkt)->error_subcode_2)); 1653 res = DID_ERROR << 16; 1654 bsg_reply->reply_payload_rcv_len = 0; 1655 } 1656 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), 1657 fw_status, sizeof(fw_status)); 1658 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 1659 (uint8_t *)pkt, sizeof(*pkt)); 1660 } 1661 else { 1662 res = DID_OK << 16; 1663 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 1664 bsg_job->reply_len = 0; 1665 } 1666 els_ct_done: 1667 1668 sp->done(sp, res); 1669 } 1670 1671 static void 1672 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 1673 struct logio_entry_24xx *logio) 1674 { 1675 const char func[] = "LOGIO-IOCB"; 1676 const char *type; 1677 fc_port_t *fcport; 1678 srb_t *sp; 1679 struct srb_iocb *lio; 1680 uint16_t *data; 1681 uint32_t iop[2]; 1682 1683 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 1684 if (!sp) 1685 return; 1686 1687 lio = &sp->u.iocb_cmd; 1688 type = sp->name; 1689 fcport = sp->fcport; 1690 data = lio->u.logio.data; 1691 1692 data[0] = MBS_COMMAND_ERROR; 1693 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1694 QLA_LOGIO_LOGIN_RETRIED : 0; 1695 if (logio->entry_status) { 1696 ql_log(ql_log_warn, fcport->vha, 0x5034, 1697 "Async-%s error entry - %8phC hdl=%x" 1698 "portid=%02x%02x%02x entry-status=%x.\n", 1699 type, fcport->port_name, sp->handle, fcport->d_id.b.domain, 1700 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1701 logio->entry_status); 1702 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 1703 (uint8_t *)logio, sizeof(*logio)); 1704 1705 goto logio_done; 1706 } 1707 1708 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 1709 ql_dbg(ql_dbg_async, fcport->vha, 0x5036, 1710 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x " 1711 "iop0=%x.\n", type, fcport->port_name, sp->handle, 1712 fcport->d_id.b.domain, 1713 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1714 le32_to_cpu(logio->io_parameter[0])); 1715 1716 vha->hw->exch_starvation = 0; 1717 data[0] = MBS_COMMAND_COMPLETE; 1718 1719 if (sp->type == SRB_PRLI_CMD) { 1720 lio->u.logio.iop[0] = 1721 le32_to_cpu(logio->io_parameter[0]); 1722 lio->u.logio.iop[1] = 1723 le32_to_cpu(logio->io_parameter[1]); 1724 goto logio_done; 1725 } 1726 1727 if (sp->type != SRB_LOGIN_CMD) 1728 goto logio_done; 1729 1730 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1731 if (iop[0] & BIT_4) { 1732 fcport->port_type = FCT_TARGET; 1733 if (iop[0] & BIT_8) 1734 fcport->flags |= FCF_FCP2_DEVICE; 1735 } else if (iop[0] & BIT_5) 1736 fcport->port_type = FCT_INITIATOR; 1737 1738 if (iop[0] & BIT_7) 1739 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 1740 1741 if (logio->io_parameter[7] || logio->io_parameter[8]) 1742 fcport->supported_classes |= FC_COS_CLASS2; 1743 if (logio->io_parameter[9] || logio->io_parameter[10]) 1744 fcport->supported_classes |= FC_COS_CLASS3; 1745 1746 goto logio_done; 1747 } 1748 1749 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1750 iop[1] = le32_to_cpu(logio->io_parameter[1]); 1751 lio->u.logio.iop[0] = iop[0]; 1752 lio->u.logio.iop[1] = iop[1]; 1753 switch (iop[0]) { 1754 case LSC_SCODE_PORTID_USED: 1755 data[0] = MBS_PORT_ID_USED; 1756 data[1] = LSW(iop[1]); 1757 break; 1758 case LSC_SCODE_NPORT_USED: 1759 data[0] = MBS_LOOP_ID_USED; 1760 break; 1761 case LSC_SCODE_CMD_FAILED: 1762 if (iop[1] == 0x0606) { 1763 /* 1764 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, 1765 * Target side acked. 1766 */ 1767 data[0] = MBS_COMMAND_COMPLETE; 1768 goto logio_done; 1769 } 1770 data[0] = MBS_COMMAND_ERROR; 1771 break; 1772 case LSC_SCODE_NOXCB: 1773 vha->hw->exch_starvation++; 1774 if (vha->hw->exch_starvation > 5) { 1775 ql_log(ql_log_warn, vha, 0xd046, 1776 "Exchange starvation. Resetting RISC\n"); 1777 1778 vha->hw->exch_starvation = 0; 1779 1780 if (IS_P3P_TYPE(vha->hw)) 1781 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1782 else 1783 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1784 qla2xxx_wake_dpc(vha); 1785 } 1786 /* fall through */ 1787 default: 1788 data[0] = MBS_COMMAND_ERROR; 1789 break; 1790 } 1791 1792 ql_dbg(ql_dbg_async, fcport->vha, 0x5037, 1793 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x " 1794 "iop0=%x iop1=%x.\n", type, fcport->port_name, 1795 sp->handle, fcport->d_id.b.domain, 1796 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1797 le16_to_cpu(logio->comp_status), 1798 le32_to_cpu(logio->io_parameter[0]), 1799 le32_to_cpu(logio->io_parameter[1])); 1800 1801 logio_done: 1802 sp->done(sp, 0); 1803 } 1804 1805 static void 1806 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 1807 { 1808 const char func[] = "TMF-IOCB"; 1809 const char *type; 1810 fc_port_t *fcport; 1811 srb_t *sp; 1812 struct srb_iocb *iocb; 1813 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1814 1815 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1816 if (!sp) 1817 return; 1818 1819 iocb = &sp->u.iocb_cmd; 1820 type = sp->name; 1821 fcport = sp->fcport; 1822 iocb->u.tmf.data = QLA_SUCCESS; 1823 1824 if (sts->entry_status) { 1825 ql_log(ql_log_warn, fcport->vha, 0x5038, 1826 "Async-%s error - hdl=%x entry-status(%x).\n", 1827 type, sp->handle, sts->entry_status); 1828 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1829 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 1830 ql_log(ql_log_warn, fcport->vha, 0x5039, 1831 "Async-%s error - hdl=%x completion status(%x).\n", 1832 type, sp->handle, sts->comp_status); 1833 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1834 } else if ((le16_to_cpu(sts->scsi_status) & 1835 SS_RESPONSE_INFO_LEN_VALID)) { 1836 if (le32_to_cpu(sts->rsp_data_len) < 4) { 1837 ql_log(ql_log_warn, fcport->vha, 0x503b, 1838 "Async-%s error - hdl=%x not enough response(%d).\n", 1839 type, sp->handle, sts->rsp_data_len); 1840 } else if (sts->data[3]) { 1841 ql_log(ql_log_warn, fcport->vha, 0x503c, 1842 "Async-%s error - hdl=%x response(%x).\n", 1843 type, sp->handle, sts->data[3]); 1844 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1845 } 1846 } 1847 1848 if (iocb->u.tmf.data != QLA_SUCCESS) 1849 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, 1850 (uint8_t *)sts, sizeof(*sts)); 1851 1852 sp->done(sp, 0); 1853 } 1854 1855 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1856 void *tsk, srb_t *sp) 1857 { 1858 fc_port_t *fcport; 1859 struct srb_iocb *iocb; 1860 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1861 uint16_t state_flags; 1862 struct nvmefc_fcp_req *fd; 1863 uint16_t ret = QLA_SUCCESS; 1864 uint16_t comp_status = le16_to_cpu(sts->comp_status); 1865 1866 iocb = &sp->u.iocb_cmd; 1867 fcport = sp->fcport; 1868 iocb->u.nvme.comp_status = comp_status; 1869 state_flags = le16_to_cpu(sts->state_flags); 1870 fd = iocb->u.nvme.desc; 1871 1872 if (unlikely(iocb->u.nvme.aen_op)) 1873 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); 1874 1875 /* 1876 * State flags: Bit 6 and 0. 1877 * If 0 is set, we don't care about 6. 1878 * both cases resp was dma'd to host buffer 1879 * if both are 0, that is good path case. 1880 * if six is set and 0 is clear, we need to 1881 * copy resp data from status iocb to resp buffer. 1882 */ 1883 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { 1884 iocb->u.nvme.rsp_pyld_len = 0; 1885 } else if ((state_flags & SF_FCP_RSP_DMA)) { 1886 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1887 } else if (state_flags & SF_NVME_ERSP) { 1888 uint32_t *inbuf, *outbuf; 1889 uint16_t iter; 1890 1891 inbuf = (uint32_t *)&sts->nvme_ersp_data; 1892 outbuf = (uint32_t *)fd->rspaddr; 1893 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1894 iter = iocb->u.nvme.rsp_pyld_len >> 2; 1895 for (; iter; iter--) 1896 *outbuf++ = swab32(*inbuf++); 1897 } else { /* unhandled case */ 1898 ql_log(ql_log_warn, fcport->vha, 0x503a, 1899 "NVME-%s error. Unhandled state_flags of %x\n", 1900 sp->name, state_flags); 1901 } 1902 1903 fd->transferred_length = fd->payload_length - 1904 le32_to_cpu(sts->residual_len); 1905 1906 if (unlikely(comp_status != CS_COMPLETE)) 1907 ql_log(ql_log_warn, fcport->vha, 0x5060, 1908 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n", 1909 sp->name, sp->handle, comp_status, 1910 fd->transferred_length, le32_to_cpu(sts->residual_len), 1911 sts->ox_id); 1912 1913 /* 1914 * If transport error then Failure (HBA rejects request) 1915 * otherwise transport will handle. 1916 */ 1917 switch (comp_status) { 1918 case CS_COMPLETE: 1919 break; 1920 1921 case CS_RESET: 1922 case CS_PORT_UNAVAILABLE: 1923 case CS_PORT_LOGGED_OUT: 1924 fcport->nvme_flag |= NVME_FLAG_RESETTING; 1925 /* fall through */ 1926 case CS_ABORTED: 1927 case CS_PORT_BUSY: 1928 fd->transferred_length = 0; 1929 iocb->u.nvme.rsp_pyld_len = 0; 1930 ret = QLA_ABORTED; 1931 break; 1932 case CS_DATA_UNDERRUN: 1933 break; 1934 default: 1935 ret = QLA_FUNCTION_FAILED; 1936 break; 1937 } 1938 sp->done(sp, ret); 1939 } 1940 1941 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, 1942 struct vp_ctrl_entry_24xx *vce) 1943 { 1944 const char func[] = "CTRLVP-IOCB"; 1945 srb_t *sp; 1946 int rval = QLA_SUCCESS; 1947 1948 sp = qla2x00_get_sp_from_handle(vha, func, req, vce); 1949 if (!sp) 1950 return; 1951 1952 if (vce->entry_status != 0) { 1953 ql_dbg(ql_dbg_vport, vha, 0x10c4, 1954 "%s: Failed to complete IOCB -- error status (%x)\n", 1955 sp->name, vce->entry_status); 1956 rval = QLA_FUNCTION_FAILED; 1957 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { 1958 ql_dbg(ql_dbg_vport, vha, 0x10c5, 1959 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", 1960 sp->name, le16_to_cpu(vce->comp_status), 1961 le16_to_cpu(vce->vp_idx_failed)); 1962 rval = QLA_FUNCTION_FAILED; 1963 } else { 1964 ql_dbg(ql_dbg_vport, vha, 0x10c6, 1965 "Done %s.\n", __func__); 1966 } 1967 1968 sp->rc = rval; 1969 sp->done(sp, rval); 1970 } 1971 1972 /** 1973 * qla2x00_process_response_queue() - Process response queue entries. 1974 * @rsp: response queue 1975 */ 1976 void 1977 qla2x00_process_response_queue(struct rsp_que *rsp) 1978 { 1979 struct scsi_qla_host *vha; 1980 struct qla_hw_data *ha = rsp->hw; 1981 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1982 sts_entry_t *pkt; 1983 uint16_t handle_cnt; 1984 uint16_t cnt; 1985 1986 vha = pci_get_drvdata(ha->pdev); 1987 1988 if (!vha->flags.online) 1989 return; 1990 1991 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 1992 pkt = (sts_entry_t *)rsp->ring_ptr; 1993 1994 rsp->ring_index++; 1995 if (rsp->ring_index == rsp->length) { 1996 rsp->ring_index = 0; 1997 rsp->ring_ptr = rsp->ring; 1998 } else { 1999 rsp->ring_ptr++; 2000 } 2001 2002 if (pkt->entry_status != 0) { 2003 qla2x00_error_entry(vha, rsp, pkt); 2004 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2005 wmb(); 2006 continue; 2007 } 2008 2009 switch (pkt->entry_type) { 2010 case STATUS_TYPE: 2011 qla2x00_status_entry(vha, rsp, pkt); 2012 break; 2013 case STATUS_TYPE_21: 2014 handle_cnt = ((sts21_entry_t *)pkt)->handle_count; 2015 for (cnt = 0; cnt < handle_cnt; cnt++) { 2016 qla2x00_process_completed_request(vha, rsp->req, 2017 ((sts21_entry_t *)pkt)->handle[cnt]); 2018 } 2019 break; 2020 case STATUS_TYPE_22: 2021 handle_cnt = ((sts22_entry_t *)pkt)->handle_count; 2022 for (cnt = 0; cnt < handle_cnt; cnt++) { 2023 qla2x00_process_completed_request(vha, rsp->req, 2024 ((sts22_entry_t *)pkt)->handle[cnt]); 2025 } 2026 break; 2027 case STATUS_CONT_TYPE: 2028 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2029 break; 2030 case MBX_IOCB_TYPE: 2031 qla2x00_mbx_iocb_entry(vha, rsp->req, 2032 (struct mbx_entry *)pkt); 2033 break; 2034 case CT_IOCB_TYPE: 2035 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2036 break; 2037 default: 2038 /* Type Not Supported. */ 2039 ql_log(ql_log_warn, vha, 0x504a, 2040 "Received unknown response pkt type %x " 2041 "entry status=%x.\n", 2042 pkt->entry_type, pkt->entry_status); 2043 break; 2044 } 2045 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2046 wmb(); 2047 } 2048 2049 /* Adjust ring index */ 2050 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 2051 } 2052 2053 static inline void 2054 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2055 uint32_t sense_len, struct rsp_que *rsp, int res) 2056 { 2057 struct scsi_qla_host *vha = sp->vha; 2058 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2059 uint32_t track_sense_len; 2060 2061 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2062 sense_len = SCSI_SENSE_BUFFERSIZE; 2063 2064 SET_CMD_SENSE_LEN(sp, sense_len); 2065 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2066 track_sense_len = sense_len; 2067 2068 if (sense_len > par_sense_len) 2069 sense_len = par_sense_len; 2070 2071 memcpy(cp->sense_buffer, sense_data, sense_len); 2072 2073 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2074 track_sense_len -= sense_len; 2075 SET_CMD_SENSE_LEN(sp, track_sense_len); 2076 2077 if (track_sense_len != 0) { 2078 rsp->status_srb = sp; 2079 cp->result = res; 2080 } 2081 2082 if (sense_len) { 2083 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 2084 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 2085 sp->vha->host_no, cp->device->id, cp->device->lun, 2086 cp); 2087 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 2088 cp->sense_buffer, sense_len); 2089 } 2090 } 2091 2092 struct scsi_dif_tuple { 2093 __be16 guard; /* Checksum */ 2094 __be16 app_tag; /* APPL identifier */ 2095 __be32 ref_tag; /* Target LBA or indirect LBA */ 2096 }; 2097 2098 /* 2099 * Checks the guard or meta-data for the type of error 2100 * detected by the HBA. In case of errors, we set the 2101 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 2102 * to indicate to the kernel that the HBA detected error. 2103 */ 2104 static inline int 2105 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 2106 { 2107 struct scsi_qla_host *vha = sp->vha; 2108 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 2109 uint8_t *ap = &sts24->data[12]; 2110 uint8_t *ep = &sts24->data[20]; 2111 uint32_t e_ref_tag, a_ref_tag; 2112 uint16_t e_app_tag, a_app_tag; 2113 uint16_t e_guard, a_guard; 2114 2115 /* 2116 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 2117 * would make guard field appear at offset 2 2118 */ 2119 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); 2120 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); 2121 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); 2122 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); 2123 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); 2124 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); 2125 2126 ql_dbg(ql_dbg_io, vha, 0x3023, 2127 "iocb(s) %p Returned STATUS.\n", sts24); 2128 2129 ql_dbg(ql_dbg_io, vha, 0x3024, 2130 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 2131 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 2132 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 2133 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 2134 a_app_tag, e_app_tag, a_guard, e_guard); 2135 2136 /* 2137 * Ignore sector if: 2138 * For type 3: ref & app tag is all 'f's 2139 * For type 0,1,2: app tag is all 'f's 2140 */ 2141 if ((a_app_tag == T10_PI_APP_ESCAPE) && 2142 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 2143 (a_ref_tag == T10_PI_REF_ESCAPE))) { 2144 uint32_t blocks_done, resid; 2145 sector_t lba_s = scsi_get_lba(cmd); 2146 2147 /* 2TB boundary case covered automatically with this */ 2148 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 2149 2150 resid = scsi_bufflen(cmd) - (blocks_done * 2151 cmd->device->sector_size); 2152 2153 scsi_set_resid(cmd, resid); 2154 cmd->result = DID_OK << 16; 2155 2156 /* Update protection tag */ 2157 if (scsi_prot_sg_count(cmd)) { 2158 uint32_t i, j = 0, k = 0, num_ent; 2159 struct scatterlist *sg; 2160 struct t10_pi_tuple *spt; 2161 2162 /* Patch the corresponding protection tags */ 2163 scsi_for_each_prot_sg(cmd, sg, 2164 scsi_prot_sg_count(cmd), i) { 2165 num_ent = sg_dma_len(sg) / 8; 2166 if (k + num_ent < blocks_done) { 2167 k += num_ent; 2168 continue; 2169 } 2170 j = blocks_done - k - 1; 2171 k = blocks_done; 2172 break; 2173 } 2174 2175 if (k != blocks_done) { 2176 ql_log(ql_log_warn, vha, 0x302f, 2177 "unexpected tag values tag:lba=%x:%llx)\n", 2178 e_ref_tag, (unsigned long long)lba_s); 2179 return 1; 2180 } 2181 2182 spt = page_address(sg_page(sg)) + sg->offset; 2183 spt += j; 2184 2185 spt->app_tag = T10_PI_APP_ESCAPE; 2186 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 2187 spt->ref_tag = T10_PI_REF_ESCAPE; 2188 } 2189 2190 return 0; 2191 } 2192 2193 /* check guard */ 2194 if (e_guard != a_guard) { 2195 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2196 0x10, 0x1); 2197 set_driver_byte(cmd, DRIVER_SENSE); 2198 set_host_byte(cmd, DID_ABORT); 2199 cmd->result |= SAM_STAT_CHECK_CONDITION; 2200 return 1; 2201 } 2202 2203 /* check ref tag */ 2204 if (e_ref_tag != a_ref_tag) { 2205 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2206 0x10, 0x3); 2207 set_driver_byte(cmd, DRIVER_SENSE); 2208 set_host_byte(cmd, DID_ABORT); 2209 cmd->result |= SAM_STAT_CHECK_CONDITION; 2210 return 1; 2211 } 2212 2213 /* check appl tag */ 2214 if (e_app_tag != a_app_tag) { 2215 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2216 0x10, 0x2); 2217 set_driver_byte(cmd, DRIVER_SENSE); 2218 set_host_byte(cmd, DID_ABORT); 2219 cmd->result |= SAM_STAT_CHECK_CONDITION; 2220 return 1; 2221 } 2222 2223 return 1; 2224 } 2225 2226 static void 2227 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 2228 struct req_que *req, uint32_t index) 2229 { 2230 struct qla_hw_data *ha = vha->hw; 2231 srb_t *sp; 2232 uint16_t comp_status; 2233 uint16_t scsi_status; 2234 uint16_t thread_id; 2235 uint32_t rval = EXT_STATUS_OK; 2236 struct bsg_job *bsg_job = NULL; 2237 struct fc_bsg_request *bsg_request; 2238 struct fc_bsg_reply *bsg_reply; 2239 sts_entry_t *sts; 2240 struct sts_entry_24xx *sts24; 2241 sts = (sts_entry_t *) pkt; 2242 sts24 = (struct sts_entry_24xx *) pkt; 2243 2244 /* Validate handle. */ 2245 if (index >= req->num_outstanding_cmds) { 2246 ql_log(ql_log_warn, vha, 0x70af, 2247 "Invalid SCSI completion handle 0x%x.\n", index); 2248 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2249 return; 2250 } 2251 2252 sp = req->outstanding_cmds[index]; 2253 if (!sp) { 2254 ql_log(ql_log_warn, vha, 0x70b0, 2255 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 2256 req->id, index); 2257 2258 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2259 return; 2260 } 2261 2262 /* Free outstanding command slot. */ 2263 req->outstanding_cmds[index] = NULL; 2264 bsg_job = sp->u.bsg_job; 2265 bsg_request = bsg_job->request; 2266 bsg_reply = bsg_job->reply; 2267 2268 if (IS_FWI2_CAPABLE(ha)) { 2269 comp_status = le16_to_cpu(sts24->comp_status); 2270 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2271 } else { 2272 comp_status = le16_to_cpu(sts->comp_status); 2273 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2274 } 2275 2276 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 2277 switch (comp_status) { 2278 case CS_COMPLETE: 2279 if (scsi_status == 0) { 2280 bsg_reply->reply_payload_rcv_len = 2281 bsg_job->reply_payload.payload_len; 2282 vha->qla_stats.input_bytes += 2283 bsg_reply->reply_payload_rcv_len; 2284 vha->qla_stats.input_requests++; 2285 rval = EXT_STATUS_OK; 2286 } 2287 goto done; 2288 2289 case CS_DATA_OVERRUN: 2290 ql_dbg(ql_dbg_user, vha, 0x70b1, 2291 "Command completed with data overrun thread_id=%d\n", 2292 thread_id); 2293 rval = EXT_STATUS_DATA_OVERRUN; 2294 break; 2295 2296 case CS_DATA_UNDERRUN: 2297 ql_dbg(ql_dbg_user, vha, 0x70b2, 2298 "Command completed with data underrun thread_id=%d\n", 2299 thread_id); 2300 rval = EXT_STATUS_DATA_UNDERRUN; 2301 break; 2302 case CS_BIDIR_RD_OVERRUN: 2303 ql_dbg(ql_dbg_user, vha, 0x70b3, 2304 "Command completed with read data overrun thread_id=%d\n", 2305 thread_id); 2306 rval = EXT_STATUS_DATA_OVERRUN; 2307 break; 2308 2309 case CS_BIDIR_RD_WR_OVERRUN: 2310 ql_dbg(ql_dbg_user, vha, 0x70b4, 2311 "Command completed with read and write data overrun " 2312 "thread_id=%d\n", thread_id); 2313 rval = EXT_STATUS_DATA_OVERRUN; 2314 break; 2315 2316 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 2317 ql_dbg(ql_dbg_user, vha, 0x70b5, 2318 "Command completed with read data over and write data " 2319 "underrun thread_id=%d\n", thread_id); 2320 rval = EXT_STATUS_DATA_OVERRUN; 2321 break; 2322 2323 case CS_BIDIR_RD_UNDERRUN: 2324 ql_dbg(ql_dbg_user, vha, 0x70b6, 2325 "Command completed with read data underrun " 2326 "thread_id=%d\n", thread_id); 2327 rval = EXT_STATUS_DATA_UNDERRUN; 2328 break; 2329 2330 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 2331 ql_dbg(ql_dbg_user, vha, 0x70b7, 2332 "Command completed with read data under and write data " 2333 "overrun thread_id=%d\n", thread_id); 2334 rval = EXT_STATUS_DATA_UNDERRUN; 2335 break; 2336 2337 case CS_BIDIR_RD_WR_UNDERRUN: 2338 ql_dbg(ql_dbg_user, vha, 0x70b8, 2339 "Command completed with read and write data underrun " 2340 "thread_id=%d\n", thread_id); 2341 rval = EXT_STATUS_DATA_UNDERRUN; 2342 break; 2343 2344 case CS_BIDIR_DMA: 2345 ql_dbg(ql_dbg_user, vha, 0x70b9, 2346 "Command completed with data DMA error thread_id=%d\n", 2347 thread_id); 2348 rval = EXT_STATUS_DMA_ERR; 2349 break; 2350 2351 case CS_TIMEOUT: 2352 ql_dbg(ql_dbg_user, vha, 0x70ba, 2353 "Command completed with timeout thread_id=%d\n", 2354 thread_id); 2355 rval = EXT_STATUS_TIMEOUT; 2356 break; 2357 default: 2358 ql_dbg(ql_dbg_user, vha, 0x70bb, 2359 "Command completed with completion status=0x%x " 2360 "thread_id=%d\n", comp_status, thread_id); 2361 rval = EXT_STATUS_ERR; 2362 break; 2363 } 2364 bsg_reply->reply_payload_rcv_len = 0; 2365 2366 done: 2367 /* Return the vendor specific reply to API */ 2368 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 2369 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2370 /* Always return DID_OK, bsg will send the vendor specific response 2371 * in this case only */ 2372 sp->done(sp, DID_OK << 16); 2373 2374 } 2375 2376 /** 2377 * qla2x00_status_entry() - Process a Status IOCB entry. 2378 * @vha: SCSI driver HA context 2379 * @rsp: response queue 2380 * @pkt: Entry pointer 2381 */ 2382 static void 2383 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2384 { 2385 srb_t *sp; 2386 fc_port_t *fcport; 2387 struct scsi_cmnd *cp; 2388 sts_entry_t *sts; 2389 struct sts_entry_24xx *sts24; 2390 uint16_t comp_status; 2391 uint16_t scsi_status; 2392 uint16_t ox_id; 2393 uint8_t lscsi_status; 2394 int32_t resid; 2395 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2396 fw_resid_len; 2397 uint8_t *rsp_info, *sense_data; 2398 struct qla_hw_data *ha = vha->hw; 2399 uint32_t handle; 2400 uint16_t que; 2401 struct req_que *req; 2402 int logit = 1; 2403 int res = 0; 2404 uint16_t state_flags = 0; 2405 uint16_t retry_delay = 0; 2406 2407 sts = (sts_entry_t *) pkt; 2408 sts24 = (struct sts_entry_24xx *) pkt; 2409 if (IS_FWI2_CAPABLE(ha)) { 2410 comp_status = le16_to_cpu(sts24->comp_status); 2411 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2412 state_flags = le16_to_cpu(sts24->state_flags); 2413 } else { 2414 comp_status = le16_to_cpu(sts->comp_status); 2415 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2416 } 2417 handle = (uint32_t) LSW(sts->handle); 2418 que = MSW(sts->handle); 2419 req = ha->req_q_map[que]; 2420 2421 /* Check for invalid queue pointer */ 2422 if (req == NULL || 2423 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 2424 ql_dbg(ql_dbg_io, vha, 0x3059, 2425 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 2426 "que=%u.\n", sts->handle, req, que); 2427 return; 2428 } 2429 2430 /* Validate handle. */ 2431 if (handle < req->num_outstanding_cmds) { 2432 sp = req->outstanding_cmds[handle]; 2433 if (!sp) { 2434 ql_dbg(ql_dbg_io, vha, 0x3075, 2435 "%s(%ld): Already returned command for status handle (0x%x).\n", 2436 __func__, vha->host_no, sts->handle); 2437 return; 2438 } 2439 } else { 2440 ql_dbg(ql_dbg_io, vha, 0x3017, 2441 "Invalid status handle, out of range (0x%x).\n", 2442 sts->handle); 2443 2444 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 2445 if (IS_P3P_TYPE(ha)) 2446 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2447 else 2448 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2449 qla2xxx_wake_dpc(vha); 2450 } 2451 return; 2452 } 2453 2454 if (sp->cmd_type != TYPE_SRB) { 2455 req->outstanding_cmds[handle] = NULL; 2456 ql_dbg(ql_dbg_io, vha, 0x3015, 2457 "Unknown sp->cmd_type %x %p).\n", 2458 sp->cmd_type, sp); 2459 return; 2460 } 2461 2462 /* NVME completion. */ 2463 if (sp->type == SRB_NVME_CMD) { 2464 req->outstanding_cmds[handle] = NULL; 2465 qla24xx_nvme_iocb_entry(vha, req, pkt, sp); 2466 return; 2467 } 2468 2469 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 2470 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 2471 return; 2472 } 2473 2474 /* Task Management completion. */ 2475 if (sp->type == SRB_TM_CMD) { 2476 qla24xx_tm_iocb_entry(vha, req, pkt); 2477 return; 2478 } 2479 2480 /* Fast path completion. */ 2481 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2482 qla2x00_process_completed_request(vha, req, handle); 2483 2484 return; 2485 } 2486 2487 req->outstanding_cmds[handle] = NULL; 2488 cp = GET_CMD_SP(sp); 2489 if (cp == NULL) { 2490 ql_dbg(ql_dbg_io, vha, 0x3018, 2491 "Command already returned (0x%x/%p).\n", 2492 sts->handle, sp); 2493 2494 return; 2495 } 2496 2497 lscsi_status = scsi_status & STATUS_MASK; 2498 2499 fcport = sp->fcport; 2500 2501 ox_id = 0; 2502 sense_len = par_sense_len = rsp_info_len = resid_len = 2503 fw_resid_len = 0; 2504 if (IS_FWI2_CAPABLE(ha)) { 2505 if (scsi_status & SS_SENSE_LEN_VALID) 2506 sense_len = le32_to_cpu(sts24->sense_len); 2507 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2508 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 2509 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 2510 resid_len = le32_to_cpu(sts24->rsp_residual_count); 2511 if (comp_status == CS_DATA_UNDERRUN) 2512 fw_resid_len = le32_to_cpu(sts24->residual_len); 2513 rsp_info = sts24->data; 2514 sense_data = sts24->data; 2515 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 2516 ox_id = le16_to_cpu(sts24->ox_id); 2517 par_sense_len = sizeof(sts24->data); 2518 /* Valid values of the retry delay timer are 0x1-0xffef */ 2519 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) { 2520 retry_delay = sts24->retry_delay & 0x3fff; 2521 ql_dbg(ql_dbg_io, sp->vha, 0x3033, 2522 "%s: scope=%#x retry_delay=%#x\n", __func__, 2523 sts24->retry_delay >> 14, retry_delay); 2524 } 2525 } else { 2526 if (scsi_status & SS_SENSE_LEN_VALID) 2527 sense_len = le16_to_cpu(sts->req_sense_length); 2528 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2529 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 2530 resid_len = le32_to_cpu(sts->residual_length); 2531 rsp_info = sts->rsp_info; 2532 sense_data = sts->req_sense_data; 2533 par_sense_len = sizeof(sts->req_sense_data); 2534 } 2535 2536 /* Check for any FCP transport errors. */ 2537 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 2538 /* Sense data lies beyond any FCP RESPONSE data. */ 2539 if (IS_FWI2_CAPABLE(ha)) { 2540 sense_data += rsp_info_len; 2541 par_sense_len -= rsp_info_len; 2542 } 2543 if (rsp_info_len > 3 && rsp_info[3]) { 2544 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 2545 "FCP I/O protocol failure (0x%x/0x%x).\n", 2546 rsp_info_len, rsp_info[3]); 2547 2548 res = DID_BUS_BUSY << 16; 2549 goto out; 2550 } 2551 } 2552 2553 /* Check for overrun. */ 2554 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2555 scsi_status & SS_RESIDUAL_OVER) 2556 comp_status = CS_DATA_OVERRUN; 2557 2558 /* 2559 * Check retry_delay_timer value if we receive a busy or 2560 * queue full. 2561 */ 2562 if (lscsi_status == SAM_STAT_TASK_SET_FULL || 2563 lscsi_status == SAM_STAT_BUSY) 2564 qla2x00_set_retry_delay_timestamp(fcport, retry_delay); 2565 2566 /* 2567 * Based on Host and scsi status generate status code for Linux 2568 */ 2569 switch (comp_status) { 2570 case CS_COMPLETE: 2571 case CS_QUEUE_FULL: 2572 if (scsi_status == 0) { 2573 res = DID_OK << 16; 2574 break; 2575 } 2576 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2577 resid = resid_len; 2578 scsi_set_resid(cp, resid); 2579 2580 if (!lscsi_status && 2581 ((unsigned)(scsi_bufflen(cp) - resid) < 2582 cp->underflow)) { 2583 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2584 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2585 resid, scsi_bufflen(cp)); 2586 2587 res = DID_ERROR << 16; 2588 break; 2589 } 2590 } 2591 res = DID_OK << 16 | lscsi_status; 2592 2593 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2594 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2595 "QUEUE FULL detected.\n"); 2596 break; 2597 } 2598 logit = 0; 2599 if (lscsi_status != SS_CHECK_CONDITION) 2600 break; 2601 2602 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2603 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2604 break; 2605 2606 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2607 rsp, res); 2608 break; 2609 2610 case CS_DATA_UNDERRUN: 2611 /* Use F/W calculated residual length. */ 2612 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2613 scsi_set_resid(cp, resid); 2614 if (scsi_status & SS_RESIDUAL_UNDER) { 2615 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2616 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2617 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2618 resid, scsi_bufflen(cp)); 2619 2620 res = DID_ERROR << 16 | lscsi_status; 2621 goto check_scsi_status; 2622 } 2623 2624 if (!lscsi_status && 2625 ((unsigned)(scsi_bufflen(cp) - resid) < 2626 cp->underflow)) { 2627 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2628 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2629 resid, scsi_bufflen(cp)); 2630 2631 res = DID_ERROR << 16; 2632 break; 2633 } 2634 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2635 lscsi_status != SAM_STAT_BUSY) { 2636 /* 2637 * scsi status of task set and busy are considered to be 2638 * task not completed. 2639 */ 2640 2641 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2642 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2643 resid, scsi_bufflen(cp)); 2644 2645 res = DID_ERROR << 16 | lscsi_status; 2646 goto check_scsi_status; 2647 } else { 2648 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2649 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2650 scsi_status, lscsi_status); 2651 } 2652 2653 res = DID_OK << 16 | lscsi_status; 2654 logit = 0; 2655 2656 check_scsi_status: 2657 /* 2658 * Check to see if SCSI Status is non zero. If so report SCSI 2659 * Status. 2660 */ 2661 if (lscsi_status != 0) { 2662 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2663 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2664 "QUEUE FULL detected.\n"); 2665 logit = 1; 2666 break; 2667 } 2668 if (lscsi_status != SS_CHECK_CONDITION) 2669 break; 2670 2671 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2672 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2673 break; 2674 2675 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2676 sense_len, rsp, res); 2677 } 2678 break; 2679 2680 case CS_PORT_LOGGED_OUT: 2681 case CS_PORT_CONFIG_CHG: 2682 case CS_PORT_BUSY: 2683 case CS_INCOMPLETE: 2684 case CS_PORT_UNAVAILABLE: 2685 case CS_TIMEOUT: 2686 case CS_RESET: 2687 2688 /* 2689 * We are going to have the fc class block the rport 2690 * while we try to recover so instruct the mid layer 2691 * to requeue until the class decides how to handle this. 2692 */ 2693 res = DID_TRANSPORT_DISRUPTED << 16; 2694 2695 if (comp_status == CS_TIMEOUT) { 2696 if (IS_FWI2_CAPABLE(ha)) 2697 break; 2698 else if ((le16_to_cpu(sts->status_flags) & 2699 SF_LOGOUT_SENT) == 0) 2700 break; 2701 } 2702 2703 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2704 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2705 "Port to be marked lost on fcport=%02x%02x%02x, current " 2706 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 2707 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2708 port_state_str[atomic_read(&fcport->state)], 2709 comp_status); 2710 2711 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 2712 qlt_schedule_sess_for_deletion(fcport); 2713 } 2714 2715 break; 2716 2717 case CS_ABORTED: 2718 res = DID_RESET << 16; 2719 break; 2720 2721 case CS_DIF_ERROR: 2722 logit = qla2x00_handle_dif_error(sp, sts24); 2723 res = cp->result; 2724 break; 2725 2726 case CS_TRANSPORT: 2727 res = DID_ERROR << 16; 2728 2729 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2730 break; 2731 2732 if (state_flags & BIT_4) 2733 scmd_printk(KERN_WARNING, cp, 2734 "Unsupported device '%s' found.\n", 2735 cp->device->vendor); 2736 break; 2737 2738 case CS_DMA: 2739 ql_log(ql_log_info, fcport->vha, 0x3022, 2740 "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", 2741 comp_status, scsi_status, res, vha->host_no, 2742 cp->device->id, cp->device->lun, fcport->d_id.b24, 2743 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2744 resid_len, fw_resid_len, sp, cp); 2745 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee, 2746 pkt, sizeof(*sts24)); 2747 res = DID_ERROR << 16; 2748 break; 2749 default: 2750 res = DID_ERROR << 16; 2751 break; 2752 } 2753 2754 out: 2755 if (logit) 2756 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 2757 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 2758 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " 2759 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 2760 comp_status, scsi_status, res, vha->host_no, 2761 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 2762 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 2763 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2764 resid_len, fw_resid_len, sp, cp); 2765 2766 if (rsp->status_srb == NULL) 2767 sp->done(sp, res); 2768 } 2769 2770 /** 2771 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 2772 * @rsp: response queue 2773 * @pkt: Entry pointer 2774 * 2775 * Extended sense data. 2776 */ 2777 static void 2778 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2779 { 2780 uint8_t sense_sz = 0; 2781 struct qla_hw_data *ha = rsp->hw; 2782 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2783 srb_t *sp = rsp->status_srb; 2784 struct scsi_cmnd *cp; 2785 uint32_t sense_len; 2786 uint8_t *sense_ptr; 2787 2788 if (!sp || !GET_CMD_SENSE_LEN(sp)) 2789 return; 2790 2791 sense_len = GET_CMD_SENSE_LEN(sp); 2792 sense_ptr = GET_CMD_SENSE_PTR(sp); 2793 2794 cp = GET_CMD_SP(sp); 2795 if (cp == NULL) { 2796 ql_log(ql_log_warn, vha, 0x3025, 2797 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2798 2799 rsp->status_srb = NULL; 2800 return; 2801 } 2802 2803 if (sense_len > sizeof(pkt->data)) 2804 sense_sz = sizeof(pkt->data); 2805 else 2806 sense_sz = sense_len; 2807 2808 /* Move sense data. */ 2809 if (IS_FWI2_CAPABLE(ha)) 2810 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 2811 memcpy(sense_ptr, pkt->data, sense_sz); 2812 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 2813 sense_ptr, sense_sz); 2814 2815 sense_len -= sense_sz; 2816 sense_ptr += sense_sz; 2817 2818 SET_CMD_SENSE_PTR(sp, sense_ptr); 2819 SET_CMD_SENSE_LEN(sp, sense_len); 2820 2821 /* Place command on done queue. */ 2822 if (sense_len == 0) { 2823 rsp->status_srb = NULL; 2824 sp->done(sp, cp->result); 2825 } 2826 } 2827 2828 /** 2829 * qla2x00_error_entry() - Process an error entry. 2830 * @vha: SCSI driver HA context 2831 * @rsp: response queue 2832 * @pkt: Entry pointer 2833 * return : 1=allow further error analysis. 0=no additional error analysis. 2834 */ 2835 static int 2836 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 2837 { 2838 srb_t *sp; 2839 struct qla_hw_data *ha = vha->hw; 2840 const char func[] = "ERROR-IOCB"; 2841 uint16_t que = MSW(pkt->handle); 2842 struct req_que *req = NULL; 2843 int res = DID_ERROR << 16; 2844 2845 ql_dbg(ql_dbg_async, vha, 0x502a, 2846 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", 2847 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); 2848 2849 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 2850 goto fatal; 2851 2852 req = ha->req_q_map[que]; 2853 2854 if (pkt->entry_status & RF_BUSY) 2855 res = DID_BUS_BUSY << 16; 2856 2857 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) 2858 return 0; 2859 2860 switch (pkt->entry_type) { 2861 case NOTIFY_ACK_TYPE: 2862 case STATUS_TYPE: 2863 case STATUS_CONT_TYPE: 2864 case LOGINOUT_PORT_IOCB_TYPE: 2865 case CT_IOCB_TYPE: 2866 case ELS_IOCB_TYPE: 2867 case ABORT_IOCB_TYPE: 2868 case MBX_IOCB_TYPE: 2869 default: 2870 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2871 if (sp) { 2872 sp->done(sp, res); 2873 return 0; 2874 } 2875 break; 2876 2877 case ABTS_RESP_24XX: 2878 case CTIO_TYPE7: 2879 case CTIO_CRC2: 2880 return 1; 2881 } 2882 fatal: 2883 ql_log(ql_log_warn, vha, 0x5030, 2884 "Error entry - invalid handle/queue (%04x).\n", que); 2885 return 0; 2886 } 2887 2888 /** 2889 * qla24xx_mbx_completion() - Process mailbox command completions. 2890 * @vha: SCSI driver HA context 2891 * @mb0: Mailbox0 register 2892 */ 2893 static void 2894 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2895 { 2896 uint16_t cnt; 2897 uint32_t mboxes; 2898 uint16_t __iomem *wptr; 2899 struct qla_hw_data *ha = vha->hw; 2900 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2901 2902 /* Read all mbox registers? */ 2903 WARN_ON_ONCE(ha->mbx_count > 32); 2904 mboxes = (1ULL << ha->mbx_count) - 1; 2905 if (!ha->mcp) 2906 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 2907 else 2908 mboxes = ha->mcp->in_mb; 2909 2910 /* Load return mailbox registers. */ 2911 ha->flags.mbox_int = 1; 2912 ha->mailbox_out[0] = mb0; 2913 mboxes >>= 1; 2914 wptr = (uint16_t __iomem *)®->mailbox1; 2915 2916 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2917 if (mboxes & BIT_0) 2918 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2919 2920 mboxes >>= 1; 2921 wptr++; 2922 } 2923 } 2924 2925 static void 2926 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2927 struct abort_entry_24xx *pkt) 2928 { 2929 const char func[] = "ABT_IOCB"; 2930 srb_t *sp; 2931 struct srb_iocb *abt; 2932 2933 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2934 if (!sp) 2935 return; 2936 2937 abt = &sp->u.iocb_cmd; 2938 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle); 2939 sp->done(sp, 0); 2940 } 2941 2942 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, 2943 struct pt_ls4_request *pkt, struct req_que *req) 2944 { 2945 srb_t *sp; 2946 const char func[] = "LS4_IOCB"; 2947 uint16_t comp_status; 2948 2949 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2950 if (!sp) 2951 return; 2952 2953 comp_status = le16_to_cpu(pkt->status); 2954 sp->done(sp, comp_status); 2955 } 2956 2957 /** 2958 * qla24xx_process_response_queue() - Process response queue entries. 2959 * @vha: SCSI driver HA context 2960 * @rsp: response queue 2961 */ 2962 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 2963 struct rsp_que *rsp) 2964 { 2965 struct sts_entry_24xx *pkt; 2966 struct qla_hw_data *ha = vha->hw; 2967 2968 if (!ha->flags.fw_started) 2969 return; 2970 2971 if (rsp->qpair->cpuid != smp_processor_id()) 2972 qla_cpu_update(rsp->qpair, smp_processor_id()); 2973 2974 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2975 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 2976 2977 rsp->ring_index++; 2978 if (rsp->ring_index == rsp->length) { 2979 rsp->ring_index = 0; 2980 rsp->ring_ptr = rsp->ring; 2981 } else { 2982 rsp->ring_ptr++; 2983 } 2984 2985 if (pkt->entry_status != 0) { 2986 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) 2987 goto process_err; 2988 2989 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2990 wmb(); 2991 continue; 2992 } 2993 process_err: 2994 2995 switch (pkt->entry_type) { 2996 case STATUS_TYPE: 2997 qla2x00_status_entry(vha, rsp, pkt); 2998 break; 2999 case STATUS_CONT_TYPE: 3000 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 3001 break; 3002 case VP_RPT_ID_IOCB_TYPE: 3003 qla24xx_report_id_acquisition(vha, 3004 (struct vp_rpt_id_entry_24xx *)pkt); 3005 break; 3006 case LOGINOUT_PORT_IOCB_TYPE: 3007 qla24xx_logio_entry(vha, rsp->req, 3008 (struct logio_entry_24xx *)pkt); 3009 break; 3010 case CT_IOCB_TYPE: 3011 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 3012 break; 3013 case ELS_IOCB_TYPE: 3014 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 3015 break; 3016 case ABTS_RECV_24XX: 3017 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 3018 /* ensure that the ATIO queue is empty */ 3019 qlt_handle_abts_recv(vha, rsp, 3020 (response_t *)pkt); 3021 break; 3022 } else { 3023 qlt_24xx_process_atio_queue(vha, 1); 3024 } 3025 /* fall through */ 3026 case ABTS_RESP_24XX: 3027 case CTIO_TYPE7: 3028 case CTIO_CRC2: 3029 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); 3030 break; 3031 case PT_LS4_REQUEST: 3032 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, 3033 rsp->req); 3034 break; 3035 case NOTIFY_ACK_TYPE: 3036 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 3037 qlt_response_pkt_all_vps(vha, rsp, 3038 (response_t *)pkt); 3039 else 3040 qla24xxx_nack_iocb_entry(vha, rsp->req, 3041 (struct nack_to_isp *)pkt); 3042 break; 3043 case MARKER_TYPE: 3044 /* Do nothing in this case, this check is to prevent it 3045 * from falling into default case 3046 */ 3047 break; 3048 case ABORT_IOCB_TYPE: 3049 qla24xx_abort_iocb_entry(vha, rsp->req, 3050 (struct abort_entry_24xx *)pkt); 3051 break; 3052 case MBX_IOCB_TYPE: 3053 qla24xx_mbx_iocb_entry(vha, rsp->req, 3054 (struct mbx_24xx_entry *)pkt); 3055 break; 3056 case VP_CTRL_IOCB_TYPE: 3057 qla_ctrlvp_completed(vha, rsp->req, 3058 (struct vp_ctrl_entry_24xx *)pkt); 3059 break; 3060 default: 3061 /* Type Not Supported. */ 3062 ql_dbg(ql_dbg_async, vha, 0x5042, 3063 "Received unknown response pkt type %x " 3064 "entry status=%x.\n", 3065 pkt->entry_type, pkt->entry_status); 3066 break; 3067 } 3068 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3069 wmb(); 3070 } 3071 3072 /* Adjust ring index */ 3073 if (IS_P3P_TYPE(ha)) { 3074 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 3075 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 3076 } else { 3077 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 3078 } 3079 } 3080 3081 static void 3082 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 3083 { 3084 int rval; 3085 uint32_t cnt; 3086 struct qla_hw_data *ha = vha->hw; 3087 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3088 3089 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 3090 !IS_QLA27XX(ha)) 3091 return; 3092 3093 rval = QLA_SUCCESS; 3094 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 3095 RD_REG_DWORD(®->iobase_addr); 3096 WRT_REG_DWORD(®->iobase_window, 0x0001); 3097 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3098 rval == QLA_SUCCESS; cnt--) { 3099 if (cnt) { 3100 WRT_REG_DWORD(®->iobase_window, 0x0001); 3101 udelay(10); 3102 } else 3103 rval = QLA_FUNCTION_TIMEOUT; 3104 } 3105 if (rval == QLA_SUCCESS) 3106 goto next_test; 3107 3108 rval = QLA_SUCCESS; 3109 WRT_REG_DWORD(®->iobase_window, 0x0003); 3110 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3111 rval == QLA_SUCCESS; cnt--) { 3112 if (cnt) { 3113 WRT_REG_DWORD(®->iobase_window, 0x0003); 3114 udelay(10); 3115 } else 3116 rval = QLA_FUNCTION_TIMEOUT; 3117 } 3118 if (rval != QLA_SUCCESS) 3119 goto done; 3120 3121 next_test: 3122 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 3123 ql_log(ql_log_info, vha, 0x504c, 3124 "Additional code -- 0x55AA.\n"); 3125 3126 done: 3127 WRT_REG_DWORD(®->iobase_window, 0x0000); 3128 RD_REG_DWORD(®->iobase_window); 3129 } 3130 3131 /** 3132 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 3133 * @irq: interrupt number 3134 * @dev_id: SCSI driver HA context 3135 * 3136 * Called by system whenever the host adapter generates an interrupt. 3137 * 3138 * Returns handled flag. 3139 */ 3140 irqreturn_t 3141 qla24xx_intr_handler(int irq, void *dev_id) 3142 { 3143 scsi_qla_host_t *vha; 3144 struct qla_hw_data *ha; 3145 struct device_reg_24xx __iomem *reg; 3146 int status; 3147 unsigned long iter; 3148 uint32_t stat; 3149 uint32_t hccr; 3150 uint16_t mb[8]; 3151 struct rsp_que *rsp; 3152 unsigned long flags; 3153 bool process_atio = false; 3154 3155 rsp = (struct rsp_que *) dev_id; 3156 if (!rsp) { 3157 ql_log(ql_log_info, NULL, 0x5059, 3158 "%s: NULL response queue pointer.\n", __func__); 3159 return IRQ_NONE; 3160 } 3161 3162 ha = rsp->hw; 3163 reg = &ha->iobase->isp24; 3164 status = 0; 3165 3166 if (unlikely(pci_channel_offline(ha->pdev))) 3167 return IRQ_HANDLED; 3168 3169 spin_lock_irqsave(&ha->hardware_lock, flags); 3170 vha = pci_get_drvdata(ha->pdev); 3171 for (iter = 50; iter--; ) { 3172 stat = RD_REG_DWORD(®->host_status); 3173 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3174 break; 3175 if (stat & HSRX_RISC_PAUSED) { 3176 if (unlikely(pci_channel_offline(ha->pdev))) 3177 break; 3178 3179 hccr = RD_REG_DWORD(®->hccr); 3180 3181 ql_log(ql_log_warn, vha, 0x504b, 3182 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3183 hccr); 3184 3185 qla2xxx_check_risc_status(vha); 3186 3187 ha->isp_ops->fw_dump(vha, 1); 3188 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3189 break; 3190 } else if ((stat & HSRX_RISC_INT) == 0) 3191 break; 3192 3193 switch (stat & 0xff) { 3194 case INTR_ROM_MB_SUCCESS: 3195 case INTR_ROM_MB_FAILED: 3196 case INTR_MB_SUCCESS: 3197 case INTR_MB_FAILED: 3198 qla24xx_mbx_completion(vha, MSW(stat)); 3199 status |= MBX_INTERRUPT; 3200 3201 break; 3202 case INTR_ASYNC_EVENT: 3203 mb[0] = MSW(stat); 3204 mb[1] = RD_REG_WORD(®->mailbox1); 3205 mb[2] = RD_REG_WORD(®->mailbox2); 3206 mb[3] = RD_REG_WORD(®->mailbox3); 3207 qla2x00_async_event(vha, rsp, mb); 3208 break; 3209 case INTR_RSP_QUE_UPDATE: 3210 case INTR_RSP_QUE_UPDATE_83XX: 3211 qla24xx_process_response_queue(vha, rsp); 3212 break; 3213 case INTR_ATIO_QUE_UPDATE_27XX: 3214 case INTR_ATIO_QUE_UPDATE: 3215 process_atio = true; 3216 break; 3217 case INTR_ATIO_RSP_QUE_UPDATE: 3218 process_atio = true; 3219 qla24xx_process_response_queue(vha, rsp); 3220 break; 3221 default: 3222 ql_dbg(ql_dbg_async, vha, 0x504f, 3223 "Unrecognized interrupt type (%d).\n", stat * 0xff); 3224 break; 3225 } 3226 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3227 RD_REG_DWORD_RELAXED(®->hccr); 3228 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 3229 ndelay(3500); 3230 } 3231 qla2x00_handle_mbx_completion(ha, status); 3232 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3233 3234 if (process_atio) { 3235 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 3236 qlt_24xx_process_atio_queue(vha, 0); 3237 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 3238 } 3239 3240 return IRQ_HANDLED; 3241 } 3242 3243 static irqreturn_t 3244 qla24xx_msix_rsp_q(int irq, void *dev_id) 3245 { 3246 struct qla_hw_data *ha; 3247 struct rsp_que *rsp; 3248 struct device_reg_24xx __iomem *reg; 3249 struct scsi_qla_host *vha; 3250 unsigned long flags; 3251 3252 rsp = (struct rsp_que *) dev_id; 3253 if (!rsp) { 3254 ql_log(ql_log_info, NULL, 0x505a, 3255 "%s: NULL response queue pointer.\n", __func__); 3256 return IRQ_NONE; 3257 } 3258 ha = rsp->hw; 3259 reg = &ha->iobase->isp24; 3260 3261 spin_lock_irqsave(&ha->hardware_lock, flags); 3262 3263 vha = pci_get_drvdata(ha->pdev); 3264 qla24xx_process_response_queue(vha, rsp); 3265 if (!ha->flags.disable_msix_handshake) { 3266 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3267 RD_REG_DWORD_RELAXED(®->hccr); 3268 } 3269 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3270 3271 return IRQ_HANDLED; 3272 } 3273 3274 static irqreturn_t 3275 qla24xx_msix_default(int irq, void *dev_id) 3276 { 3277 scsi_qla_host_t *vha; 3278 struct qla_hw_data *ha; 3279 struct rsp_que *rsp; 3280 struct device_reg_24xx __iomem *reg; 3281 int status; 3282 uint32_t stat; 3283 uint32_t hccr; 3284 uint16_t mb[8]; 3285 unsigned long flags; 3286 bool process_atio = false; 3287 3288 rsp = (struct rsp_que *) dev_id; 3289 if (!rsp) { 3290 ql_log(ql_log_info, NULL, 0x505c, 3291 "%s: NULL response queue pointer.\n", __func__); 3292 return IRQ_NONE; 3293 } 3294 ha = rsp->hw; 3295 reg = &ha->iobase->isp24; 3296 status = 0; 3297 3298 spin_lock_irqsave(&ha->hardware_lock, flags); 3299 vha = pci_get_drvdata(ha->pdev); 3300 do { 3301 stat = RD_REG_DWORD(®->host_status); 3302 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3303 break; 3304 if (stat & HSRX_RISC_PAUSED) { 3305 if (unlikely(pci_channel_offline(ha->pdev))) 3306 break; 3307 3308 hccr = RD_REG_DWORD(®->hccr); 3309 3310 ql_log(ql_log_info, vha, 0x5050, 3311 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3312 hccr); 3313 3314 qla2xxx_check_risc_status(vha); 3315 3316 ha->isp_ops->fw_dump(vha, 1); 3317 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3318 break; 3319 } else if ((stat & HSRX_RISC_INT) == 0) 3320 break; 3321 3322 switch (stat & 0xff) { 3323 case INTR_ROM_MB_SUCCESS: 3324 case INTR_ROM_MB_FAILED: 3325 case INTR_MB_SUCCESS: 3326 case INTR_MB_FAILED: 3327 qla24xx_mbx_completion(vha, MSW(stat)); 3328 status |= MBX_INTERRUPT; 3329 3330 break; 3331 case INTR_ASYNC_EVENT: 3332 mb[0] = MSW(stat); 3333 mb[1] = RD_REG_WORD(®->mailbox1); 3334 mb[2] = RD_REG_WORD(®->mailbox2); 3335 mb[3] = RD_REG_WORD(®->mailbox3); 3336 qla2x00_async_event(vha, rsp, mb); 3337 break; 3338 case INTR_RSP_QUE_UPDATE: 3339 case INTR_RSP_QUE_UPDATE_83XX: 3340 qla24xx_process_response_queue(vha, rsp); 3341 break; 3342 case INTR_ATIO_QUE_UPDATE_27XX: 3343 case INTR_ATIO_QUE_UPDATE: 3344 process_atio = true; 3345 break; 3346 case INTR_ATIO_RSP_QUE_UPDATE: 3347 process_atio = true; 3348 qla24xx_process_response_queue(vha, rsp); 3349 break; 3350 default: 3351 ql_dbg(ql_dbg_async, vha, 0x5051, 3352 "Unrecognized interrupt type (%d).\n", stat & 0xff); 3353 break; 3354 } 3355 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3356 } while (0); 3357 qla2x00_handle_mbx_completion(ha, status); 3358 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3359 3360 if (process_atio) { 3361 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 3362 qlt_24xx_process_atio_queue(vha, 0); 3363 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 3364 } 3365 3366 return IRQ_HANDLED; 3367 } 3368 3369 irqreturn_t 3370 qla2xxx_msix_rsp_q(int irq, void *dev_id) 3371 { 3372 struct qla_hw_data *ha; 3373 struct qla_qpair *qpair; 3374 struct device_reg_24xx __iomem *reg; 3375 unsigned long flags; 3376 3377 qpair = dev_id; 3378 if (!qpair) { 3379 ql_log(ql_log_info, NULL, 0x505b, 3380 "%s: NULL response queue pointer.\n", __func__); 3381 return IRQ_NONE; 3382 } 3383 ha = qpair->hw; 3384 3385 /* Clear the interrupt, if enabled, for this response queue */ 3386 if (unlikely(!ha->flags.disable_msix_handshake)) { 3387 reg = &ha->iobase->isp24; 3388 spin_lock_irqsave(&ha->hardware_lock, flags); 3389 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3390 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3391 } 3392 3393 queue_work(ha->wq, &qpair->q_work); 3394 3395 return IRQ_HANDLED; 3396 } 3397 3398 /* Interrupt handling helpers. */ 3399 3400 struct qla_init_msix_entry { 3401 const char *name; 3402 irq_handler_t handler; 3403 }; 3404 3405 static const struct qla_init_msix_entry msix_entries[] = { 3406 { "default", qla24xx_msix_default }, 3407 { "rsp_q", qla24xx_msix_rsp_q }, 3408 { "atio_q", qla83xx_msix_atio_q }, 3409 { "qpair_multiq", qla2xxx_msix_rsp_q }, 3410 }; 3411 3412 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 3413 { "qla2xxx (default)", qla82xx_msix_default }, 3414 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 3415 }; 3416 3417 static int 3418 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 3419 { 3420 int i, ret; 3421 struct qla_msix_entry *qentry; 3422 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3423 int min_vecs = QLA_BASE_VECTORS; 3424 struct irq_affinity desc = { 3425 .pre_vectors = QLA_BASE_VECTORS, 3426 }; 3427 3428 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3429 IS_ATIO_MSIX_CAPABLE(ha)) { 3430 desc.pre_vectors++; 3431 min_vecs++; 3432 } 3433 3434 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) { 3435 /* user wants to control IRQ setting for target mode */ 3436 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, 3437 ha->msix_count, PCI_IRQ_MSIX); 3438 } else 3439 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 3440 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 3441 &desc); 3442 3443 if (ret < 0) { 3444 ql_log(ql_log_fatal, vha, 0x00c7, 3445 "MSI-X: Failed to enable support, " 3446 "giving up -- %d/%d.\n", 3447 ha->msix_count, ret); 3448 goto msix_out; 3449 } else if (ret < ha->msix_count) { 3450 ql_log(ql_log_warn, vha, 0x00c6, 3451 "MSI-X: Failed to enable support " 3452 "with %d vectors, using %d vectors.\n", 3453 ha->msix_count, ret); 3454 ha->msix_count = ret; 3455 /* Recalculate queue values */ 3456 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { 3457 ha->max_req_queues = ha->msix_count - 1; 3458 3459 /* ATIOQ needs 1 vector. That's 1 less QPair */ 3460 if (QLA_TGT_MODE_ENABLED()) 3461 ha->max_req_queues--; 3462 3463 ha->max_rsp_queues = ha->max_req_queues; 3464 3465 ha->max_qpairs = ha->max_req_queues - 1; 3466 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 3467 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 3468 } 3469 } 3470 vha->irq_offset = desc.pre_vectors; 3471 ha->msix_entries = kcalloc(ha->msix_count, 3472 sizeof(struct qla_msix_entry), 3473 GFP_KERNEL); 3474 if (!ha->msix_entries) { 3475 ql_log(ql_log_fatal, vha, 0x00c8, 3476 "Failed to allocate memory for ha->msix_entries.\n"); 3477 ret = -ENOMEM; 3478 goto msix_out; 3479 } 3480 ha->flags.msix_enabled = 1; 3481 3482 for (i = 0; i < ha->msix_count; i++) { 3483 qentry = &ha->msix_entries[i]; 3484 qentry->vector = pci_irq_vector(ha->pdev, i); 3485 qentry->entry = i; 3486 qentry->have_irq = 0; 3487 qentry->in_use = 0; 3488 qentry->handle = NULL; 3489 } 3490 3491 /* Enable MSI-X vectors for the base queue */ 3492 for (i = 0; i < QLA_BASE_VECTORS; i++) { 3493 qentry = &ha->msix_entries[i]; 3494 qentry->handle = rsp; 3495 rsp->msix = qentry; 3496 scnprintf(qentry->name, sizeof(qentry->name), 3497 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); 3498 if (IS_P3P_TYPE(ha)) 3499 ret = request_irq(qentry->vector, 3500 qla82xx_msix_entries[i].handler, 3501 0, qla82xx_msix_entries[i].name, rsp); 3502 else 3503 ret = request_irq(qentry->vector, 3504 msix_entries[i].handler, 3505 0, qentry->name, rsp); 3506 if (ret) 3507 goto msix_register_fail; 3508 qentry->have_irq = 1; 3509 qentry->in_use = 1; 3510 } 3511 3512 /* 3513 * If target mode is enable, also request the vector for the ATIO 3514 * queue. 3515 */ 3516 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3517 IS_ATIO_MSIX_CAPABLE(ha)) { 3518 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 3519 rsp->msix = qentry; 3520 qentry->handle = rsp; 3521 scnprintf(qentry->name, sizeof(qentry->name), 3522 "qla2xxx%lu_%s", vha->host_no, 3523 msix_entries[QLA_ATIO_VECTOR].name); 3524 qentry->in_use = 1; 3525 ret = request_irq(qentry->vector, 3526 msix_entries[QLA_ATIO_VECTOR].handler, 3527 0, qentry->name, rsp); 3528 qentry->have_irq = 1; 3529 } 3530 3531 msix_register_fail: 3532 if (ret) { 3533 ql_log(ql_log_fatal, vha, 0x00cb, 3534 "MSI-X: unable to register handler -- %x/%d.\n", 3535 qentry->vector, ret); 3536 qla2x00_free_irqs(vha); 3537 ha->mqenable = 0; 3538 goto msix_out; 3539 } 3540 3541 /* Enable MSI-X vector for response queue update for queue 0 */ 3542 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 3543 if (ha->msixbase && ha->mqiobase && 3544 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3545 ql2xmqsupport)) 3546 ha->mqenable = 1; 3547 } else 3548 if (ha->mqiobase && 3549 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3550 ql2xmqsupport)) 3551 ha->mqenable = 1; 3552 ql_dbg(ql_dbg_multiq, vha, 0xc005, 3553 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3554 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3555 ql_dbg(ql_dbg_init, vha, 0x0055, 3556 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3557 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3558 3559 msix_out: 3560 return ret; 3561 } 3562 3563 int 3564 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 3565 { 3566 int ret = QLA_FUNCTION_FAILED; 3567 device_reg_t *reg = ha->iobase; 3568 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3569 3570 /* If possible, enable MSI-X. */ 3571 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && 3572 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && 3573 !IS_QLAFX00(ha) && !IS_QLA27XX(ha))) 3574 goto skip_msi; 3575 3576 if (ql2xenablemsix == 2) 3577 goto skip_msix; 3578 3579 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 3580 (ha->pdev->subsystem_device == 0x7040 || 3581 ha->pdev->subsystem_device == 0x7041 || 3582 ha->pdev->subsystem_device == 0x1705)) { 3583 ql_log(ql_log_warn, vha, 0x0034, 3584 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 3585 ha->pdev->subsystem_vendor, 3586 ha->pdev->subsystem_device); 3587 goto skip_msi; 3588 } 3589 3590 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 3591 ql_log(ql_log_warn, vha, 0x0035, 3592 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 3593 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 3594 goto skip_msix; 3595 } 3596 3597 ret = qla24xx_enable_msix(ha, rsp); 3598 if (!ret) { 3599 ql_dbg(ql_dbg_init, vha, 0x0036, 3600 "MSI-X: Enabled (0x%X, 0x%X).\n", 3601 ha->chip_revision, ha->fw_attributes); 3602 goto clear_risc_ints; 3603 } 3604 3605 skip_msix: 3606 3607 ql_log(ql_log_info, vha, 0x0037, 3608 "Falling back-to MSI mode -%d.\n", ret); 3609 3610 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3611 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 3612 !IS_QLA27XX(ha)) 3613 goto skip_msi; 3614 3615 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 3616 if (!ret) { 3617 ql_dbg(ql_dbg_init, vha, 0x0038, 3618 "MSI: Enabled.\n"); 3619 ha->flags.msi_enabled = 1; 3620 } else 3621 ql_log(ql_log_warn, vha, 0x0039, 3622 "Falling back-to INTa mode -- %d.\n", ret); 3623 skip_msi: 3624 3625 /* Skip INTx on ISP82xx. */ 3626 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 3627 return QLA_FUNCTION_FAILED; 3628 3629 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 3630 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 3631 QLA2XXX_DRIVER_NAME, rsp); 3632 if (ret) { 3633 ql_log(ql_log_warn, vha, 0x003a, 3634 "Failed to reserve interrupt %d already in use.\n", 3635 ha->pdev->irq); 3636 goto fail; 3637 } else if (!ha->flags.msi_enabled) { 3638 ql_dbg(ql_dbg_init, vha, 0x0125, 3639 "INTa mode: Enabled.\n"); 3640 ha->flags.mr_intr_valid = 1; 3641 } 3642 3643 clear_risc_ints: 3644 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 3645 goto fail; 3646 3647 spin_lock_irq(&ha->hardware_lock); 3648 WRT_REG_WORD(®->isp.semaphore, 0); 3649 spin_unlock_irq(&ha->hardware_lock); 3650 3651 fail: 3652 return ret; 3653 } 3654 3655 void 3656 qla2x00_free_irqs(scsi_qla_host_t *vha) 3657 { 3658 struct qla_hw_data *ha = vha->hw; 3659 struct rsp_que *rsp; 3660 struct qla_msix_entry *qentry; 3661 int i; 3662 3663 /* 3664 * We need to check that ha->rsp_q_map is valid in case we are called 3665 * from a probe failure context. 3666 */ 3667 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 3668 goto free_irqs; 3669 rsp = ha->rsp_q_map[0]; 3670 3671 if (ha->flags.msix_enabled) { 3672 for (i = 0; i < ha->msix_count; i++) { 3673 qentry = &ha->msix_entries[i]; 3674 if (qentry->have_irq) { 3675 irq_set_affinity_notifier(qentry->vector, NULL); 3676 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 3677 } 3678 } 3679 kfree(ha->msix_entries); 3680 ha->msix_entries = NULL; 3681 ha->flags.msix_enabled = 0; 3682 ql_dbg(ql_dbg_init, vha, 0x0042, 3683 "Disabled MSI-X.\n"); 3684 } else { 3685 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 3686 } 3687 3688 free_irqs: 3689 pci_free_irq_vectors(ha->pdev); 3690 } 3691 3692 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 3693 struct qla_msix_entry *msix, int vector_type) 3694 { 3695 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 3696 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3697 int ret; 3698 3699 scnprintf(msix->name, sizeof(msix->name), 3700 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 3701 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 3702 if (ret) { 3703 ql_log(ql_log_fatal, vha, 0x00e6, 3704 "MSI-X: Unable to register handler -- %x/%d.\n", 3705 msix->vector, ret); 3706 return ret; 3707 } 3708 msix->have_irq = 1; 3709 msix->handle = qpair; 3710 return ret; 3711 } 3712