1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2014 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 #include "qla_target.h" 9 10 #include <linux/delay.h> 11 #include <linux/slab.h> 12 #include <linux/cpu.h> 13 #include <linux/t10-pi.h> 14 #include <scsi/scsi_tcq.h> 15 #include <scsi/scsi_bsg_fc.h> 16 #include <scsi/scsi_eh.h> 17 #include <scsi/fc/fc_fs.h> 18 #include <linux/nvme-fc-driver.h> 19 20 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); 21 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); 22 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); 23 static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, 24 sts_entry_t *); 25 26 const char *const port_state_str[] = { 27 "Unknown", 28 "UNCONFIGURED", 29 "DEAD", 30 "LOST", 31 "ONLINE" 32 }; 33 34 /** 35 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. 36 * @irq: interrupt number 37 * @dev_id: SCSI driver HA context 38 * 39 * Called by system whenever the host adapter generates an interrupt. 40 * 41 * Returns handled flag. 42 */ 43 irqreturn_t 44 qla2100_intr_handler(int irq, void *dev_id) 45 { 46 scsi_qla_host_t *vha; 47 struct qla_hw_data *ha; 48 struct device_reg_2xxx __iomem *reg; 49 int status; 50 unsigned long iter; 51 uint16_t hccr; 52 uint16_t mb[8]; 53 struct rsp_que *rsp; 54 unsigned long flags; 55 56 rsp = (struct rsp_que *) dev_id; 57 if (!rsp) { 58 ql_log(ql_log_info, NULL, 0x505d, 59 "%s: NULL response queue pointer.\n", __func__); 60 return (IRQ_NONE); 61 } 62 63 ha = rsp->hw; 64 reg = &ha->iobase->isp; 65 status = 0; 66 67 spin_lock_irqsave(&ha->hardware_lock, flags); 68 vha = pci_get_drvdata(ha->pdev); 69 for (iter = 50; iter--; ) { 70 hccr = RD_REG_WORD(®->hccr); 71 if (qla2x00_check_reg16_for_disconnect(vha, hccr)) 72 break; 73 if (hccr & HCCR_RISC_PAUSE) { 74 if (pci_channel_offline(ha->pdev)) 75 break; 76 77 /* 78 * Issue a "HARD" reset in order for the RISC interrupt 79 * bit to be cleared. Schedule a big hammer to get 80 * out of the RISC PAUSED state. 81 */ 82 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 83 RD_REG_WORD(®->hccr); 84 85 ha->isp_ops->fw_dump(vha, 1); 86 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 87 break; 88 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) 89 break; 90 91 if (RD_REG_WORD(®->semaphore) & BIT_0) { 92 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 93 RD_REG_WORD(®->hccr); 94 95 /* Get mailbox data. */ 96 mb[0] = RD_MAILBOX_REG(ha, reg, 0); 97 if (mb[0] > 0x3fff && mb[0] < 0x8000) { 98 qla2x00_mbx_completion(vha, mb[0]); 99 status |= MBX_INTERRUPT; 100 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { 101 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 102 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 103 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 104 qla2x00_async_event(vha, rsp, mb); 105 } else { 106 /*EMPTY*/ 107 ql_dbg(ql_dbg_async, vha, 0x5025, 108 "Unrecognized interrupt type (%d).\n", 109 mb[0]); 110 } 111 /* Release mailbox registers. */ 112 WRT_REG_WORD(®->semaphore, 0); 113 RD_REG_WORD(®->semaphore); 114 } else { 115 qla2x00_process_response_queue(rsp); 116 117 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 118 RD_REG_WORD(®->hccr); 119 } 120 } 121 qla2x00_handle_mbx_completion(ha, status); 122 spin_unlock_irqrestore(&ha->hardware_lock, flags); 123 124 return (IRQ_HANDLED); 125 } 126 127 bool 128 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) 129 { 130 /* Check for PCI disconnection */ 131 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) { 132 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) && 133 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) && 134 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) { 135 /* 136 * Schedule this (only once) on the default system 137 * workqueue so that all the adapter workqueues and the 138 * DPC thread can be shutdown cleanly. 139 */ 140 schedule_work(&vha->hw->board_disable); 141 } 142 return true; 143 } else 144 return false; 145 } 146 147 bool 148 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) 149 { 150 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg); 151 } 152 153 /** 154 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 155 * @irq: interrupt number 156 * @dev_id: SCSI driver HA context 157 * 158 * Called by system whenever the host adapter generates an interrupt. 159 * 160 * Returns handled flag. 161 */ 162 irqreturn_t 163 qla2300_intr_handler(int irq, void *dev_id) 164 { 165 scsi_qla_host_t *vha; 166 struct device_reg_2xxx __iomem *reg; 167 int status; 168 unsigned long iter; 169 uint32_t stat; 170 uint16_t hccr; 171 uint16_t mb[8]; 172 struct rsp_que *rsp; 173 struct qla_hw_data *ha; 174 unsigned long flags; 175 176 rsp = (struct rsp_que *) dev_id; 177 if (!rsp) { 178 ql_log(ql_log_info, NULL, 0x5058, 179 "%s: NULL response queue pointer.\n", __func__); 180 return (IRQ_NONE); 181 } 182 183 ha = rsp->hw; 184 reg = &ha->iobase->isp; 185 status = 0; 186 187 spin_lock_irqsave(&ha->hardware_lock, flags); 188 vha = pci_get_drvdata(ha->pdev); 189 for (iter = 50; iter--; ) { 190 stat = RD_REG_DWORD(®->u.isp2300.host_status); 191 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 192 break; 193 if (stat & HSR_RISC_PAUSED) { 194 if (unlikely(pci_channel_offline(ha->pdev))) 195 break; 196 197 hccr = RD_REG_WORD(®->hccr); 198 199 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) 200 ql_log(ql_log_warn, vha, 0x5026, 201 "Parity error -- HCCR=%x, Dumping " 202 "firmware.\n", hccr); 203 else 204 ql_log(ql_log_warn, vha, 0x5027, 205 "RISC paused -- HCCR=%x, Dumping " 206 "firmware.\n", hccr); 207 208 /* 209 * Issue a "HARD" reset in order for the RISC 210 * interrupt bit to be cleared. Schedule a big 211 * hammer to get out of the RISC PAUSED state. 212 */ 213 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 214 RD_REG_WORD(®->hccr); 215 216 ha->isp_ops->fw_dump(vha, 1); 217 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 218 break; 219 } else if ((stat & HSR_RISC_INT) == 0) 220 break; 221 222 switch (stat & 0xff) { 223 case 0x1: 224 case 0x2: 225 case 0x10: 226 case 0x11: 227 qla2x00_mbx_completion(vha, MSW(stat)); 228 status |= MBX_INTERRUPT; 229 230 /* Release mailbox registers. */ 231 WRT_REG_WORD(®->semaphore, 0); 232 break; 233 case 0x12: 234 mb[0] = MSW(stat); 235 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 236 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 237 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 238 qla2x00_async_event(vha, rsp, mb); 239 break; 240 case 0x13: 241 qla2x00_process_response_queue(rsp); 242 break; 243 case 0x15: 244 mb[0] = MBA_CMPLT_1_16BIT; 245 mb[1] = MSW(stat); 246 qla2x00_async_event(vha, rsp, mb); 247 break; 248 case 0x16: 249 mb[0] = MBA_SCSI_COMPLETION; 250 mb[1] = MSW(stat); 251 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 252 qla2x00_async_event(vha, rsp, mb); 253 break; 254 default: 255 ql_dbg(ql_dbg_async, vha, 0x5028, 256 "Unrecognized interrupt type (%d).\n", stat & 0xff); 257 break; 258 } 259 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 260 RD_REG_WORD_RELAXED(®->hccr); 261 } 262 qla2x00_handle_mbx_completion(ha, status); 263 spin_unlock_irqrestore(&ha->hardware_lock, flags); 264 265 return (IRQ_HANDLED); 266 } 267 268 /** 269 * qla2x00_mbx_completion() - Process mailbox command completions. 270 * @vha: SCSI driver HA context 271 * @mb0: Mailbox0 register 272 */ 273 static void 274 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 275 { 276 uint16_t cnt; 277 uint32_t mboxes; 278 uint16_t __iomem *wptr; 279 struct qla_hw_data *ha = vha->hw; 280 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 281 282 /* Read all mbox registers? */ 283 WARN_ON_ONCE(ha->mbx_count > 32); 284 mboxes = (1ULL << ha->mbx_count) - 1; 285 if (!ha->mcp) 286 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); 287 else 288 mboxes = ha->mcp->in_mb; 289 290 /* Load return mailbox registers. */ 291 ha->flags.mbox_int = 1; 292 ha->mailbox_out[0] = mb0; 293 mboxes >>= 1; 294 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); 295 296 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 297 if (IS_QLA2200(ha) && cnt == 8) 298 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); 299 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) 300 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); 301 else if (mboxes & BIT_0) 302 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 303 304 wptr++; 305 mboxes >>= 1; 306 } 307 } 308 309 static void 310 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) 311 { 312 static char *event[] = 313 { "Complete", "Request Notification", "Time Extension" }; 314 int rval; 315 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; 316 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; 317 uint16_t __iomem *wptr; 318 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; 319 320 /* Seed data -- mailbox1 -> mailbox7. */ 321 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) 322 wptr = (uint16_t __iomem *)®24->mailbox1; 323 else if (IS_QLA8044(vha->hw)) 324 wptr = (uint16_t __iomem *)®82->mailbox_out[1]; 325 else 326 return; 327 328 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) 329 mb[cnt] = RD_REG_WORD(wptr); 330 331 ql_dbg(ql_dbg_async, vha, 0x5021, 332 "Inter-Driver Communication %s -- " 333 "%04x %04x %04x %04x %04x %04x %04x.\n", 334 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], 335 mb[4], mb[5], mb[6]); 336 switch (aen) { 337 /* Handle IDC Error completion case. */ 338 case MBA_IDC_COMPLETE: 339 if (mb[1] >> 15) { 340 vha->hw->flags.idc_compl_status = 1; 341 if (vha->hw->notify_dcbx_comp && !vha->vp_idx) 342 complete(&vha->hw->dcbx_comp); 343 } 344 break; 345 346 case MBA_IDC_NOTIFY: 347 /* Acknowledgement needed? [Notify && non-zero timeout]. */ 348 timeout = (descr >> 8) & 0xf; 349 ql_dbg(ql_dbg_async, vha, 0x5022, 350 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", 351 vha->host_no, event[aen & 0xff], timeout); 352 353 if (!timeout) 354 return; 355 rval = qla2x00_post_idc_ack_work(vha, mb); 356 if (rval != QLA_SUCCESS) 357 ql_log(ql_log_warn, vha, 0x5023, 358 "IDC failed to post ACK.\n"); 359 break; 360 case MBA_IDC_TIME_EXT: 361 vha->hw->idc_extend_tmo = descr; 362 ql_dbg(ql_dbg_async, vha, 0x5087, 363 "%lu Inter-Driver Communication %s -- " 364 "Extend timeout by=%d.\n", 365 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); 366 break; 367 } 368 } 369 370 #define LS_UNKNOWN 2 371 const char * 372 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) 373 { 374 static const char *const link_speeds[] = { 375 "1", "2", "?", "4", "8", "16", "32", "10" 376 }; 377 #define QLA_LAST_SPEED (ARRAY_SIZE(link_speeds) - 1) 378 379 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 380 return link_speeds[0]; 381 else if (speed == 0x13) 382 return link_speeds[QLA_LAST_SPEED]; 383 else if (speed < QLA_LAST_SPEED) 384 return link_speeds[speed]; 385 else 386 return link_speeds[LS_UNKNOWN]; 387 } 388 389 static void 390 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 391 { 392 struct qla_hw_data *ha = vha->hw; 393 394 /* 395 * 8200 AEN Interpretation: 396 * mb[0] = AEN code 397 * mb[1] = AEN Reason code 398 * mb[2] = LSW of Peg-Halt Status-1 Register 399 * mb[6] = MSW of Peg-Halt Status-1 Register 400 * mb[3] = LSW of Peg-Halt Status-2 register 401 * mb[7] = MSW of Peg-Halt Status-2 register 402 * mb[4] = IDC Device-State Register value 403 * mb[5] = IDC Driver-Presence Register value 404 */ 405 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " 406 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", 407 mb[0], mb[1], mb[2], mb[6]); 408 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " 409 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " 410 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); 411 412 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | 413 IDC_HEARTBEAT_FAILURE)) { 414 ha->flags.nic_core_hung = 1; 415 ql_log(ql_log_warn, vha, 0x5060, 416 "83XX: F/W Error Reported: Check if reset required.\n"); 417 418 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { 419 uint32_t protocol_engine_id, fw_err_code, err_level; 420 421 /* 422 * IDC_PEG_HALT_STATUS_CHANGE interpretation: 423 * - PEG-Halt Status-1 Register: 424 * (LSW = mb[2], MSW = mb[6]) 425 * Bits 0-7 = protocol-engine ID 426 * Bits 8-28 = f/w error code 427 * Bits 29-31 = Error-level 428 * Error-level 0x1 = Non-Fatal error 429 * Error-level 0x2 = Recoverable Fatal error 430 * Error-level 0x4 = UnRecoverable Fatal error 431 * - PEG-Halt Status-2 Register: 432 * (LSW = mb[3], MSW = mb[7]) 433 */ 434 protocol_engine_id = (mb[2] & 0xff); 435 fw_err_code = (((mb[2] & 0xff00) >> 8) | 436 ((mb[6] & 0x1fff) << 8)); 437 err_level = ((mb[6] & 0xe000) >> 13); 438 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " 439 "Register: protocol_engine_id=0x%x " 440 "fw_err_code=0x%x err_level=0x%x.\n", 441 protocol_engine_id, fw_err_code, err_level); 442 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " 443 "Register: 0x%x%x.\n", mb[7], mb[3]); 444 if (err_level == ERR_LEVEL_NON_FATAL) { 445 ql_log(ql_log_warn, vha, 0x5063, 446 "Not a fatal error, f/w has recovered itself.\n"); 447 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { 448 ql_log(ql_log_fatal, vha, 0x5064, 449 "Recoverable Fatal error: Chip reset " 450 "required.\n"); 451 qla83xx_schedule_work(vha, 452 QLA83XX_NIC_CORE_RESET); 453 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { 454 ql_log(ql_log_fatal, vha, 0x5065, 455 "Unrecoverable Fatal error: Set FAILED " 456 "state, reboot required.\n"); 457 qla83xx_schedule_work(vha, 458 QLA83XX_NIC_CORE_UNRECOVERABLE); 459 } 460 } 461 462 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { 463 uint16_t peg_fw_state, nw_interface_link_up; 464 uint16_t nw_interface_signal_detect, sfp_status; 465 uint16_t htbt_counter, htbt_monitor_enable; 466 uint16_t sfp_additional_info, sfp_multirate; 467 uint16_t sfp_tx_fault, link_speed, dcbx_status; 468 469 /* 470 * IDC_NIC_FW_REPORTED_FAILURE interpretation: 471 * - PEG-to-FC Status Register: 472 * (LSW = mb[2], MSW = mb[6]) 473 * Bits 0-7 = Peg-Firmware state 474 * Bit 8 = N/W Interface Link-up 475 * Bit 9 = N/W Interface signal detected 476 * Bits 10-11 = SFP Status 477 * SFP Status 0x0 = SFP+ transceiver not expected 478 * SFP Status 0x1 = SFP+ transceiver not present 479 * SFP Status 0x2 = SFP+ transceiver invalid 480 * SFP Status 0x3 = SFP+ transceiver present and 481 * valid 482 * Bits 12-14 = Heartbeat Counter 483 * Bit 15 = Heartbeat Monitor Enable 484 * Bits 16-17 = SFP Additional Info 485 * SFP info 0x0 = Unregocnized transceiver for 486 * Ethernet 487 * SFP info 0x1 = SFP+ brand validation failed 488 * SFP info 0x2 = SFP+ speed validation failed 489 * SFP info 0x3 = SFP+ access error 490 * Bit 18 = SFP Multirate 491 * Bit 19 = SFP Tx Fault 492 * Bits 20-22 = Link Speed 493 * Bits 23-27 = Reserved 494 * Bits 28-30 = DCBX Status 495 * DCBX Status 0x0 = DCBX Disabled 496 * DCBX Status 0x1 = DCBX Enabled 497 * DCBX Status 0x2 = DCBX Exchange error 498 * Bit 31 = Reserved 499 */ 500 peg_fw_state = (mb[2] & 0x00ff); 501 nw_interface_link_up = ((mb[2] & 0x0100) >> 8); 502 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); 503 sfp_status = ((mb[2] & 0x0c00) >> 10); 504 htbt_counter = ((mb[2] & 0x7000) >> 12); 505 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); 506 sfp_additional_info = (mb[6] & 0x0003); 507 sfp_multirate = ((mb[6] & 0x0004) >> 2); 508 sfp_tx_fault = ((mb[6] & 0x0008) >> 3); 509 link_speed = ((mb[6] & 0x0070) >> 4); 510 dcbx_status = ((mb[6] & 0x7000) >> 12); 511 512 ql_log(ql_log_warn, vha, 0x5066, 513 "Peg-to-Fc Status Register:\n" 514 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " 515 "nw_interface_signal_detect=0x%x" 516 "\nsfp_statis=0x%x.\n ", peg_fw_state, 517 nw_interface_link_up, nw_interface_signal_detect, 518 sfp_status); 519 ql_log(ql_log_warn, vha, 0x5067, 520 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " 521 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ", 522 htbt_counter, htbt_monitor_enable, 523 sfp_additional_info, sfp_multirate); 524 ql_log(ql_log_warn, vha, 0x5068, 525 "sfp_tx_fault=0x%x, link_state=0x%x, " 526 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, 527 dcbx_status); 528 529 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 530 } 531 532 if (mb[1] & IDC_HEARTBEAT_FAILURE) { 533 ql_log(ql_log_warn, vha, 0x5069, 534 "Heartbeat Failure encountered, chip reset " 535 "required.\n"); 536 537 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 538 } 539 } 540 541 if (mb[1] & IDC_DEVICE_STATE_CHANGE) { 542 ql_log(ql_log_info, vha, 0x506a, 543 "IDC Device-State changed = 0x%x.\n", mb[4]); 544 if (ha->flags.nic_core_reset_owner) 545 return; 546 qla83xx_schedule_work(vha, MBA_IDC_AEN); 547 } 548 } 549 550 int 551 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) 552 { 553 struct qla_hw_data *ha = vha->hw; 554 scsi_qla_host_t *vp; 555 uint32_t vp_did; 556 unsigned long flags; 557 int ret = 0; 558 559 if (!ha->num_vhosts) 560 return ret; 561 562 spin_lock_irqsave(&ha->vport_slock, flags); 563 list_for_each_entry(vp, &ha->vp_list, list) { 564 vp_did = vp->d_id.b24; 565 if (vp_did == rscn_entry) { 566 ret = 1; 567 break; 568 } 569 } 570 spin_unlock_irqrestore(&ha->vport_slock, flags); 571 572 return ret; 573 } 574 575 fc_port_t * 576 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id) 577 { 578 fc_port_t *f, *tf; 579 580 f = tf = NULL; 581 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) 582 if (f->loop_id == loop_id) 583 return f; 584 return NULL; 585 } 586 587 fc_port_t * 588 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted) 589 { 590 fc_port_t *f, *tf; 591 592 f = tf = NULL; 593 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 594 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) { 595 if (incl_deleted) 596 return f; 597 else if (f->deleted == 0) 598 return f; 599 } 600 } 601 return NULL; 602 } 603 604 fc_port_t * 605 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id, 606 u8 incl_deleted) 607 { 608 fc_port_t *f, *tf; 609 610 f = tf = NULL; 611 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 612 if (f->d_id.b24 == id->b24) { 613 if (incl_deleted) 614 return f; 615 else if (f->deleted == 0) 616 return f; 617 } 618 } 619 return NULL; 620 } 621 622 /** 623 * qla2x00_async_event() - Process aynchronous events. 624 * @vha: SCSI driver HA context 625 * @rsp: response queue 626 * @mb: Mailbox registers (0 - 3) 627 */ 628 void 629 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 630 { 631 uint16_t handle_cnt; 632 uint16_t cnt, mbx; 633 uint32_t handles[5]; 634 struct qla_hw_data *ha = vha->hw; 635 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 636 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 637 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 638 uint32_t rscn_entry, host_pid; 639 unsigned long flags; 640 fc_port_t *fcport = NULL; 641 642 if (!vha->hw->flags.fw_started) 643 return; 644 645 /* Setup to process RIO completion. */ 646 handle_cnt = 0; 647 if (IS_CNA_CAPABLE(ha)) 648 goto skip_rio; 649 switch (mb[0]) { 650 case MBA_SCSI_COMPLETION: 651 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 652 handle_cnt = 1; 653 break; 654 case MBA_CMPLT_1_16BIT: 655 handles[0] = mb[1]; 656 handle_cnt = 1; 657 mb[0] = MBA_SCSI_COMPLETION; 658 break; 659 case MBA_CMPLT_2_16BIT: 660 handles[0] = mb[1]; 661 handles[1] = mb[2]; 662 handle_cnt = 2; 663 mb[0] = MBA_SCSI_COMPLETION; 664 break; 665 case MBA_CMPLT_3_16BIT: 666 handles[0] = mb[1]; 667 handles[1] = mb[2]; 668 handles[2] = mb[3]; 669 handle_cnt = 3; 670 mb[0] = MBA_SCSI_COMPLETION; 671 break; 672 case MBA_CMPLT_4_16BIT: 673 handles[0] = mb[1]; 674 handles[1] = mb[2]; 675 handles[2] = mb[3]; 676 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 677 handle_cnt = 4; 678 mb[0] = MBA_SCSI_COMPLETION; 679 break; 680 case MBA_CMPLT_5_16BIT: 681 handles[0] = mb[1]; 682 handles[1] = mb[2]; 683 handles[2] = mb[3]; 684 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 685 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 686 handle_cnt = 5; 687 mb[0] = MBA_SCSI_COMPLETION; 688 break; 689 case MBA_CMPLT_2_32BIT: 690 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 691 handles[1] = le32_to_cpu( 692 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | 693 RD_MAILBOX_REG(ha, reg, 6)); 694 handle_cnt = 2; 695 mb[0] = MBA_SCSI_COMPLETION; 696 break; 697 default: 698 break; 699 } 700 skip_rio: 701 switch (mb[0]) { 702 case MBA_SCSI_COMPLETION: /* Fast Post */ 703 if (!vha->flags.online) 704 break; 705 706 for (cnt = 0; cnt < handle_cnt; cnt++) 707 qla2x00_process_completed_request(vha, rsp->req, 708 handles[cnt]); 709 break; 710 711 case MBA_RESET: /* Reset */ 712 ql_dbg(ql_dbg_async, vha, 0x5002, 713 "Asynchronous RESET.\n"); 714 715 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 716 break; 717 718 case MBA_SYSTEM_ERR: /* System Error */ 719 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) || 720 IS_QLA28XX(ha)) ? 721 RD_REG_WORD(®24->mailbox7) : 0; 722 ql_log(ql_log_warn, vha, 0x5003, 723 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " 724 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); 725 ha->fw_dump_mpi = 726 (IS_QLA27XX(ha) || IS_QLA28XX(ha)) && 727 RD_REG_WORD(®24->mailbox7) & BIT_8; 728 ha->isp_ops->fw_dump(vha, 1); 729 ha->flags.fw_init_done = 0; 730 QLA_FW_STOPPED(ha); 731 732 if (IS_FWI2_CAPABLE(ha)) { 733 if (mb[1] == 0 && mb[2] == 0) { 734 ql_log(ql_log_fatal, vha, 0x5004, 735 "Unrecoverable Hardware Error: adapter " 736 "marked OFFLINE!\n"); 737 vha->flags.online = 0; 738 vha->device_flags |= DFLG_DEV_FAILED; 739 } else { 740 /* Check to see if MPI timeout occurred */ 741 if ((mbx & MBX_3) && (ha->port_no == 0)) 742 set_bit(MPI_RESET_NEEDED, 743 &vha->dpc_flags); 744 745 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 746 } 747 } else if (mb[1] == 0) { 748 ql_log(ql_log_fatal, vha, 0x5005, 749 "Unrecoverable Hardware Error: adapter marked " 750 "OFFLINE!\n"); 751 vha->flags.online = 0; 752 vha->device_flags |= DFLG_DEV_FAILED; 753 } else 754 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 755 break; 756 757 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 758 ql_log(ql_log_warn, vha, 0x5006, 759 "ISP Request Transfer Error (%x).\n", mb[1]); 760 761 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 762 break; 763 764 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 765 ql_log(ql_log_warn, vha, 0x5007, 766 "ISP Response Transfer Error (%x).\n", mb[1]); 767 768 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 769 break; 770 771 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 772 ql_dbg(ql_dbg_async, vha, 0x5008, 773 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); 774 break; 775 776 case MBA_LOOP_INIT_ERR: 777 ql_log(ql_log_warn, vha, 0x5090, 778 "LOOP INIT ERROR (%x).\n", mb[1]); 779 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 780 break; 781 782 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 783 ha->flags.lip_ae = 1; 784 785 ql_dbg(ql_dbg_async, vha, 0x5009, 786 "LIP occurred (%x).\n", mb[1]); 787 788 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 789 atomic_set(&vha->loop_state, LOOP_DOWN); 790 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 791 qla2x00_mark_all_devices_lost(vha, 1); 792 } 793 794 if (vha->vp_idx) { 795 atomic_set(&vha->vp_state, VP_FAILED); 796 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 797 } 798 799 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 800 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 801 802 vha->flags.management_server_logged_in = 0; 803 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 804 break; 805 806 case MBA_LOOP_UP: /* Loop Up Event */ 807 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 808 ha->link_data_rate = PORT_SPEED_1GB; 809 else 810 ha->link_data_rate = mb[1]; 811 812 ql_log(ql_log_info, vha, 0x500a, 813 "LOOP UP detected (%s Gbps).\n", 814 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 815 816 vha->flags.management_server_logged_in = 0; 817 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 818 819 if (AUTO_DETECT_SFP_SUPPORT(vha)) { 820 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); 821 qla2xxx_wake_dpc(vha); 822 } 823 break; 824 825 case MBA_LOOP_DOWN: /* Loop Down Event */ 826 SAVE_TOPO(ha); 827 ha->flags.lip_ae = 0; 828 ha->current_topology = 0; 829 830 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 831 ? RD_REG_WORD(®24->mailbox4) : 0; 832 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) 833 : mbx; 834 ql_log(ql_log_info, vha, 0x500b, 835 "LOOP DOWN detected (%x %x %x %x).\n", 836 mb[1], mb[2], mb[3], mbx); 837 838 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 839 atomic_set(&vha->loop_state, LOOP_DOWN); 840 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 841 /* 842 * In case of loop down, restore WWPN from 843 * NVRAM in case of FA-WWPN capable ISP 844 * Restore for Physical Port only 845 */ 846 if (!vha->vp_idx) { 847 if (ha->flags.fawwpn_enabled && 848 (ha->current_topology == ISP_CFG_F)) { 849 void *wwpn = ha->init_cb->port_name; 850 851 memcpy(vha->port_name, wwpn, WWN_SIZE); 852 fc_host_port_name(vha->host) = 853 wwn_to_u64(vha->port_name); 854 ql_dbg(ql_dbg_init + ql_dbg_verbose, 855 vha, 0x00d8, "LOOP DOWN detected," 856 "restore WWPN %016llx\n", 857 wwn_to_u64(vha->port_name)); 858 } 859 860 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 861 } 862 863 vha->device_flags |= DFLG_NO_CABLE; 864 qla2x00_mark_all_devices_lost(vha, 1); 865 } 866 867 if (vha->vp_idx) { 868 atomic_set(&vha->vp_state, VP_FAILED); 869 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 870 } 871 872 vha->flags.management_server_logged_in = 0; 873 ha->link_data_rate = PORT_SPEED_UNKNOWN; 874 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 875 break; 876 877 case MBA_LIP_RESET: /* LIP reset occurred */ 878 ql_dbg(ql_dbg_async, vha, 0x500c, 879 "LIP reset occurred (%x).\n", mb[1]); 880 881 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 882 atomic_set(&vha->loop_state, LOOP_DOWN); 883 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 884 qla2x00_mark_all_devices_lost(vha, 1); 885 } 886 887 if (vha->vp_idx) { 888 atomic_set(&vha->vp_state, VP_FAILED); 889 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 890 } 891 892 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 893 894 ha->operating_mode = LOOP; 895 vha->flags.management_server_logged_in = 0; 896 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 897 break; 898 899 /* case MBA_DCBX_COMPLETE: */ 900 case MBA_POINT_TO_POINT: /* Point-to-Point */ 901 ha->flags.lip_ae = 0; 902 903 if (IS_QLA2100(ha)) 904 break; 905 906 if (IS_CNA_CAPABLE(ha)) { 907 ql_dbg(ql_dbg_async, vha, 0x500d, 908 "DCBX Completed -- %04x %04x %04x.\n", 909 mb[1], mb[2], mb[3]); 910 if (ha->notify_dcbx_comp && !vha->vp_idx) 911 complete(&ha->dcbx_comp); 912 913 } else 914 ql_dbg(ql_dbg_async, vha, 0x500e, 915 "Asynchronous P2P MODE received.\n"); 916 917 /* 918 * Until there's a transition from loop down to loop up, treat 919 * this as loop down only. 920 */ 921 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 922 atomic_set(&vha->loop_state, LOOP_DOWN); 923 if (!atomic_read(&vha->loop_down_timer)) 924 atomic_set(&vha->loop_down_timer, 925 LOOP_DOWN_TIME); 926 if (!N2N_TOPO(ha)) 927 qla2x00_mark_all_devices_lost(vha, 1); 928 } 929 930 if (vha->vp_idx) { 931 atomic_set(&vha->vp_state, VP_FAILED); 932 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 933 } 934 935 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 936 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 937 938 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 939 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 940 941 vha->flags.management_server_logged_in = 0; 942 break; 943 944 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 945 if (IS_QLA2100(ha)) 946 break; 947 948 ql_dbg(ql_dbg_async, vha, 0x500f, 949 "Configuration change detected: value=%x.\n", mb[1]); 950 951 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 952 atomic_set(&vha->loop_state, LOOP_DOWN); 953 if (!atomic_read(&vha->loop_down_timer)) 954 atomic_set(&vha->loop_down_timer, 955 LOOP_DOWN_TIME); 956 qla2x00_mark_all_devices_lost(vha, 1); 957 } 958 959 if (vha->vp_idx) { 960 atomic_set(&vha->vp_state, VP_FAILED); 961 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 962 } 963 964 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 965 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 966 break; 967 968 case MBA_PORT_UPDATE: /* Port database update */ 969 /* 970 * Handle only global and vn-port update events 971 * 972 * Relevant inputs: 973 * mb[1] = N_Port handle of changed port 974 * OR 0xffff for global event 975 * mb[2] = New login state 976 * 7 = Port logged out 977 * mb[3] = LSB is vp_idx, 0xff = all vps 978 * 979 * Skip processing if: 980 * Event is global, vp_idx is NOT all vps, 981 * vp_idx does not match 982 * Event is not global, vp_idx does not match 983 */ 984 if (IS_QLA2XXX_MIDTYPE(ha) && 985 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 986 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 987 break; 988 989 if (mb[2] == 0x7) { 990 ql_dbg(ql_dbg_async, vha, 0x5010, 991 "Port %s %04x %04x %04x.\n", 992 mb[1] == 0xffff ? "unavailable" : "logout", 993 mb[1], mb[2], mb[3]); 994 995 if (mb[1] == 0xffff) 996 goto global_port_update; 997 998 if (mb[1] == NPH_SNS_LID(ha)) { 999 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1000 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1001 break; 1002 } 1003 1004 /* use handle_cnt for loop id/nport handle */ 1005 if (IS_FWI2_CAPABLE(ha)) 1006 handle_cnt = NPH_SNS; 1007 else 1008 handle_cnt = SIMPLE_NAME_SERVER; 1009 if (mb[1] == handle_cnt) { 1010 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1011 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1012 break; 1013 } 1014 1015 /* Port logout */ 1016 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); 1017 if (!fcport) 1018 break; 1019 if (atomic_read(&fcport->state) != FCS_ONLINE) 1020 break; 1021 ql_dbg(ql_dbg_async, vha, 0x508a, 1022 "Marking port lost loopid=%04x portid=%06x.\n", 1023 fcport->loop_id, fcport->d_id.b24); 1024 if (qla_ini_mode_enabled(vha)) { 1025 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 1026 fcport->logout_on_delete = 0; 1027 qlt_schedule_sess_for_deletion(fcport); 1028 } 1029 break; 1030 1031 global_port_update: 1032 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1033 atomic_set(&vha->loop_state, LOOP_DOWN); 1034 atomic_set(&vha->loop_down_timer, 1035 LOOP_DOWN_TIME); 1036 vha->device_flags |= DFLG_NO_CABLE; 1037 qla2x00_mark_all_devices_lost(vha, 1); 1038 } 1039 1040 if (vha->vp_idx) { 1041 atomic_set(&vha->vp_state, VP_FAILED); 1042 fc_vport_set_state(vha->fc_vport, 1043 FC_VPORT_FAILED); 1044 qla2x00_mark_all_devices_lost(vha, 1); 1045 } 1046 1047 vha->flags.management_server_logged_in = 0; 1048 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1049 break; 1050 } 1051 1052 /* 1053 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 1054 * event etc. earlier indicating loop is down) then process 1055 * it. Otherwise ignore it and Wait for RSCN to come in. 1056 */ 1057 atomic_set(&vha->loop_down_timer, 0); 1058 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 1059 !ha->flags.n2n_ae && 1060 atomic_read(&vha->loop_state) != LOOP_DEAD) { 1061 ql_dbg(ql_dbg_async, vha, 0x5011, 1062 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 1063 mb[1], mb[2], mb[3]); 1064 break; 1065 } 1066 1067 ql_dbg(ql_dbg_async, vha, 0x5012, 1068 "Port database changed %04x %04x %04x.\n", 1069 mb[1], mb[2], mb[3]); 1070 1071 /* 1072 * Mark all devices as missing so we will login again. 1073 */ 1074 atomic_set(&vha->loop_state, LOOP_UP); 1075 vha->scan.scan_retry = 0; 1076 1077 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1078 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1079 set_bit(VP_CONFIG_OK, &vha->vp_flags); 1080 break; 1081 1082 case MBA_RSCN_UPDATE: /* State Change Registration */ 1083 /* Check if the Vport has issued a SCR */ 1084 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 1085 break; 1086 /* Only handle SCNs for our Vport index. */ 1087 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 1088 break; 1089 1090 ql_dbg(ql_dbg_async, vha, 0x5013, 1091 "RSCN database changed -- %04x %04x %04x.\n", 1092 mb[1], mb[2], mb[3]); 1093 1094 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 1095 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 1096 | vha->d_id.b.al_pa; 1097 if (rscn_entry == host_pid) { 1098 ql_dbg(ql_dbg_async, vha, 0x5014, 1099 "Ignoring RSCN update to local host " 1100 "port ID (%06x).\n", host_pid); 1101 break; 1102 } 1103 1104 /* Ignore reserved bits from RSCN-payload. */ 1105 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 1106 1107 /* Skip RSCNs for virtual ports on the same physical port */ 1108 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 1109 break; 1110 1111 atomic_set(&vha->loop_down_timer, 0); 1112 vha->flags.management_server_logged_in = 0; 1113 { 1114 struct event_arg ea; 1115 1116 memset(&ea, 0, sizeof(ea)); 1117 ea.id.b24 = rscn_entry; 1118 ea.id.b.rsvd_1 = rscn_entry >> 24; 1119 qla2x00_handle_rscn(vha, &ea); 1120 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1121 } 1122 break; 1123 /* case MBA_RIO_RESPONSE: */ 1124 case MBA_ZIO_RESPONSE: 1125 ql_dbg(ql_dbg_async, vha, 0x5015, 1126 "[R|Z]IO update completion.\n"); 1127 1128 if (IS_FWI2_CAPABLE(ha)) 1129 qla24xx_process_response_queue(vha, rsp); 1130 else 1131 qla2x00_process_response_queue(rsp); 1132 break; 1133 1134 case MBA_DISCARD_RND_FRAME: 1135 ql_dbg(ql_dbg_async, vha, 0x5016, 1136 "Discard RND Frame -- %04x %04x %04x.\n", 1137 mb[1], mb[2], mb[3]); 1138 break; 1139 1140 case MBA_TRACE_NOTIFICATION: 1141 ql_dbg(ql_dbg_async, vha, 0x5017, 1142 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1143 break; 1144 1145 case MBA_ISP84XX_ALERT: 1146 ql_dbg(ql_dbg_async, vha, 0x5018, 1147 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1148 mb[1], mb[2], mb[3]); 1149 1150 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1151 switch (mb[1]) { 1152 case A84_PANIC_RECOVERY: 1153 ql_log(ql_log_info, vha, 0x5019, 1154 "Alert 84XX: panic recovery %04x %04x.\n", 1155 mb[2], mb[3]); 1156 break; 1157 case A84_OP_LOGIN_COMPLETE: 1158 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1159 ql_log(ql_log_info, vha, 0x501a, 1160 "Alert 84XX: firmware version %x.\n", 1161 ha->cs84xx->op_fw_version); 1162 break; 1163 case A84_DIAG_LOGIN_COMPLETE: 1164 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1165 ql_log(ql_log_info, vha, 0x501b, 1166 "Alert 84XX: diagnostic firmware version %x.\n", 1167 ha->cs84xx->diag_fw_version); 1168 break; 1169 case A84_GOLD_LOGIN_COMPLETE: 1170 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1171 ha->cs84xx->fw_update = 1; 1172 ql_log(ql_log_info, vha, 0x501c, 1173 "Alert 84XX: gold firmware version %x.\n", 1174 ha->cs84xx->gold_fw_version); 1175 break; 1176 default: 1177 ql_log(ql_log_warn, vha, 0x501d, 1178 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1179 mb[1], mb[2], mb[3]); 1180 } 1181 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1182 break; 1183 case MBA_DCBX_START: 1184 ql_dbg(ql_dbg_async, vha, 0x501e, 1185 "DCBX Started -- %04x %04x %04x.\n", 1186 mb[1], mb[2], mb[3]); 1187 break; 1188 case MBA_DCBX_PARAM_UPDATE: 1189 ql_dbg(ql_dbg_async, vha, 0x501f, 1190 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1191 mb[1], mb[2], mb[3]); 1192 break; 1193 case MBA_FCF_CONF_ERR: 1194 ql_dbg(ql_dbg_async, vha, 0x5020, 1195 "FCF Configuration Error -- %04x %04x %04x.\n", 1196 mb[1], mb[2], mb[3]); 1197 break; 1198 case MBA_IDC_NOTIFY: 1199 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1200 mb[4] = RD_REG_WORD(®24->mailbox4); 1201 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1202 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1203 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1204 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1205 /* 1206 * Extend loop down timer since port is active. 1207 */ 1208 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1209 atomic_set(&vha->loop_down_timer, 1210 LOOP_DOWN_TIME); 1211 qla2xxx_wake_dpc(vha); 1212 } 1213 } 1214 /* fall through */ 1215 case MBA_IDC_COMPLETE: 1216 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1217 complete(&ha->lb_portup_comp); 1218 /* Fallthru */ 1219 case MBA_IDC_TIME_EXT: 1220 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1221 IS_QLA8044(ha)) 1222 qla81xx_idc_event(vha, mb[0], mb[1]); 1223 break; 1224 1225 case MBA_IDC_AEN: 1226 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1227 ha->flags.fw_init_done = 0; 1228 ql_log(ql_log_warn, vha, 0xffff, 1229 "MPI Heartbeat stop. Chip reset needed. MB0[%xh] MB1[%xh] MB2[%xh] MB3[%xh]\n", 1230 mb[0], mb[1], mb[2], mb[3]); 1231 1232 if ((mb[1] & BIT_8) || 1233 (mb[2] & BIT_8)) { 1234 ql_log(ql_log_warn, vha, 0xd013, 1235 "MPI Heartbeat stop. FW dump needed\n"); 1236 ha->fw_dump_mpi = 1; 1237 ha->isp_ops->fw_dump(vha, 1); 1238 } 1239 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1240 qla2xxx_wake_dpc(vha); 1241 } else if (IS_QLA83XX(ha)) { 1242 mb[4] = RD_REG_WORD(®24->mailbox4); 1243 mb[5] = RD_REG_WORD(®24->mailbox5); 1244 mb[6] = RD_REG_WORD(®24->mailbox6); 1245 mb[7] = RD_REG_WORD(®24->mailbox7); 1246 qla83xx_handle_8200_aen(vha, mb); 1247 } else { 1248 ql_dbg(ql_dbg_async, vha, 0x5052, 1249 "skip Heartbeat processing mb0-3=[0x%04x] [0x%04x] [0x%04x] [0x%04x]\n", 1250 mb[0], mb[1], mb[2], mb[3]); 1251 } 1252 break; 1253 1254 case MBA_DPORT_DIAGNOSTICS: 1255 ql_dbg(ql_dbg_async, vha, 0x5052, 1256 "D-Port Diagnostics: %04x result=%s\n", 1257 mb[0], 1258 mb[1] == 0 ? "start" : 1259 mb[1] == 1 ? "done (pass)" : 1260 mb[1] == 2 ? "done (error)" : "other"); 1261 break; 1262 1263 case MBA_TEMPERATURE_ALERT: 1264 ql_dbg(ql_dbg_async, vha, 0x505e, 1265 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); 1266 if (mb[1] == 0x12) 1267 schedule_work(&ha->board_disable); 1268 break; 1269 1270 case MBA_TRANS_INSERT: 1271 ql_dbg(ql_dbg_async, vha, 0x5091, 1272 "Transceiver Insertion: %04x\n", mb[1]); 1273 break; 1274 1275 default: 1276 ql_dbg(ql_dbg_async, vha, 0x5057, 1277 "Unknown AEN:%04x %04x %04x %04x\n", 1278 mb[0], mb[1], mb[2], mb[3]); 1279 } 1280 1281 qlt_async_event(mb[0], vha, mb); 1282 1283 if (!vha->vp_idx && ha->num_vhosts) 1284 qla2x00_alert_all_vps(rsp, mb); 1285 } 1286 1287 /** 1288 * qla2x00_process_completed_request() - Process a Fast Post response. 1289 * @vha: SCSI driver HA context 1290 * @req: request queue 1291 * @index: SRB index 1292 */ 1293 void 1294 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1295 struct req_que *req, uint32_t index) 1296 { 1297 srb_t *sp; 1298 struct qla_hw_data *ha = vha->hw; 1299 1300 /* Validate handle. */ 1301 if (index >= req->num_outstanding_cmds) { 1302 ql_log(ql_log_warn, vha, 0x3014, 1303 "Invalid SCSI command index (%x).\n", index); 1304 1305 if (IS_P3P_TYPE(ha)) 1306 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1307 else 1308 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1309 return; 1310 } 1311 1312 sp = req->outstanding_cmds[index]; 1313 if (sp) { 1314 /* Free outstanding command slot. */ 1315 req->outstanding_cmds[index] = NULL; 1316 1317 /* Save ISP completion status */ 1318 sp->done(sp, DID_OK << 16); 1319 } else { 1320 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1321 1322 if (IS_P3P_TYPE(ha)) 1323 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1324 else 1325 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1326 } 1327 } 1328 1329 srb_t * 1330 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1331 struct req_que *req, void *iocb) 1332 { 1333 struct qla_hw_data *ha = vha->hw; 1334 sts_entry_t *pkt = iocb; 1335 srb_t *sp = NULL; 1336 uint16_t index; 1337 1338 index = LSW(pkt->handle); 1339 if (index >= req->num_outstanding_cmds) { 1340 ql_log(ql_log_warn, vha, 0x5031, 1341 "Invalid command index (%x) type %8ph.\n", 1342 index, iocb); 1343 if (IS_P3P_TYPE(ha)) 1344 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1345 else 1346 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1347 goto done; 1348 } 1349 sp = req->outstanding_cmds[index]; 1350 if (!sp) { 1351 ql_log(ql_log_warn, vha, 0x5032, 1352 "Invalid completion handle (%x) -- timed-out.\n", index); 1353 return sp; 1354 } 1355 if (sp->handle != index) { 1356 ql_log(ql_log_warn, vha, 0x5033, 1357 "SRB handle (%x) mismatch %x.\n", sp->handle, index); 1358 return NULL; 1359 } 1360 1361 req->outstanding_cmds[index] = NULL; 1362 1363 done: 1364 return sp; 1365 } 1366 1367 static void 1368 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1369 struct mbx_entry *mbx) 1370 { 1371 const char func[] = "MBX-IOCB"; 1372 const char *type; 1373 fc_port_t *fcport; 1374 srb_t *sp; 1375 struct srb_iocb *lio; 1376 uint16_t *data; 1377 uint16_t status; 1378 1379 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1380 if (!sp) 1381 return; 1382 1383 lio = &sp->u.iocb_cmd; 1384 type = sp->name; 1385 fcport = sp->fcport; 1386 data = lio->u.logio.data; 1387 1388 data[0] = MBS_COMMAND_ERROR; 1389 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1390 QLA_LOGIO_LOGIN_RETRIED : 0; 1391 if (mbx->entry_status) { 1392 ql_dbg(ql_dbg_async, vha, 0x5043, 1393 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1394 "entry-status=%x status=%x state-flag=%x " 1395 "status-flags=%x.\n", type, sp->handle, 1396 fcport->d_id.b.domain, fcport->d_id.b.area, 1397 fcport->d_id.b.al_pa, mbx->entry_status, 1398 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1399 le16_to_cpu(mbx->status_flags)); 1400 1401 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1402 mbx, sizeof(*mbx)); 1403 1404 goto logio_done; 1405 } 1406 1407 status = le16_to_cpu(mbx->status); 1408 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1409 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1410 status = 0; 1411 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1412 ql_dbg(ql_dbg_async, vha, 0x5045, 1413 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1414 type, sp->handle, fcport->d_id.b.domain, 1415 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1416 le16_to_cpu(mbx->mb1)); 1417 1418 data[0] = MBS_COMMAND_COMPLETE; 1419 if (sp->type == SRB_LOGIN_CMD) { 1420 fcport->port_type = FCT_TARGET; 1421 if (le16_to_cpu(mbx->mb1) & BIT_0) 1422 fcport->port_type = FCT_INITIATOR; 1423 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1424 fcport->flags |= FCF_FCP2_DEVICE; 1425 } 1426 goto logio_done; 1427 } 1428 1429 data[0] = le16_to_cpu(mbx->mb0); 1430 switch (data[0]) { 1431 case MBS_PORT_ID_USED: 1432 data[1] = le16_to_cpu(mbx->mb1); 1433 break; 1434 case MBS_LOOP_ID_USED: 1435 break; 1436 default: 1437 data[0] = MBS_COMMAND_ERROR; 1438 break; 1439 } 1440 1441 ql_log(ql_log_warn, vha, 0x5046, 1442 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1443 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1444 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1445 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1446 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1447 le16_to_cpu(mbx->mb7)); 1448 1449 logio_done: 1450 sp->done(sp, 0); 1451 } 1452 1453 static void 1454 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1455 struct mbx_24xx_entry *pkt) 1456 { 1457 const char func[] = "MBX-IOCB2"; 1458 srb_t *sp; 1459 struct srb_iocb *si; 1460 u16 sz, i; 1461 int res; 1462 1463 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1464 if (!sp) 1465 return; 1466 1467 si = &sp->u.iocb_cmd; 1468 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); 1469 1470 for (i = 0; i < sz; i++) 1471 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]); 1472 1473 res = (si->u.mbx.in_mb[0] & MBS_MASK); 1474 1475 sp->done(sp, res); 1476 } 1477 1478 static void 1479 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1480 struct nack_to_isp *pkt) 1481 { 1482 const char func[] = "nack"; 1483 srb_t *sp; 1484 int res = 0; 1485 1486 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1487 if (!sp) 1488 return; 1489 1490 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) 1491 res = QLA_FUNCTION_FAILED; 1492 1493 sp->done(sp, res); 1494 } 1495 1496 static void 1497 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1498 sts_entry_t *pkt, int iocb_type) 1499 { 1500 const char func[] = "CT_IOCB"; 1501 const char *type; 1502 srb_t *sp; 1503 struct bsg_job *bsg_job; 1504 struct fc_bsg_reply *bsg_reply; 1505 uint16_t comp_status; 1506 int res = 0; 1507 1508 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1509 if (!sp) 1510 return; 1511 1512 switch (sp->type) { 1513 case SRB_CT_CMD: 1514 bsg_job = sp->u.bsg_job; 1515 bsg_reply = bsg_job->reply; 1516 1517 type = "ct pass-through"; 1518 1519 comp_status = le16_to_cpu(pkt->comp_status); 1520 1521 /* 1522 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1523 * fc payload to the caller 1524 */ 1525 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1526 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1527 1528 if (comp_status != CS_COMPLETE) { 1529 if (comp_status == CS_DATA_UNDERRUN) { 1530 res = DID_OK << 16; 1531 bsg_reply->reply_payload_rcv_len = 1532 le16_to_cpu(pkt->rsp_info_len); 1533 1534 ql_log(ql_log_warn, vha, 0x5048, 1535 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", 1536 type, comp_status, 1537 bsg_reply->reply_payload_rcv_len); 1538 } else { 1539 ql_log(ql_log_warn, vha, 0x5049, 1540 "CT pass-through-%s error comp_status=0x%x.\n", 1541 type, comp_status); 1542 res = DID_ERROR << 16; 1543 bsg_reply->reply_payload_rcv_len = 0; 1544 } 1545 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 1546 pkt, sizeof(*pkt)); 1547 } else { 1548 res = DID_OK << 16; 1549 bsg_reply->reply_payload_rcv_len = 1550 bsg_job->reply_payload.payload_len; 1551 bsg_job->reply_len = 0; 1552 } 1553 break; 1554 case SRB_CT_PTHRU_CMD: 1555 /* 1556 * borrowing sts_entry_24xx.comp_status. 1557 * same location as ct_entry_24xx.comp_status 1558 */ 1559 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 1560 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1561 sp->name); 1562 break; 1563 } 1564 1565 sp->done(sp, res); 1566 } 1567 1568 static void 1569 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1570 struct sts_entry_24xx *pkt, int iocb_type) 1571 { 1572 const char func[] = "ELS_CT_IOCB"; 1573 const char *type; 1574 srb_t *sp; 1575 struct bsg_job *bsg_job; 1576 struct fc_bsg_reply *bsg_reply; 1577 uint16_t comp_status; 1578 uint32_t fw_status[3]; 1579 int res; 1580 struct srb_iocb *els; 1581 1582 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1583 if (!sp) 1584 return; 1585 1586 type = NULL; 1587 switch (sp->type) { 1588 case SRB_ELS_CMD_RPT: 1589 case SRB_ELS_CMD_HST: 1590 type = "els"; 1591 break; 1592 case SRB_CT_CMD: 1593 type = "ct pass-through"; 1594 break; 1595 case SRB_ELS_DCMD: 1596 type = "Driver ELS logo"; 1597 if (iocb_type != ELS_IOCB_TYPE) { 1598 ql_dbg(ql_dbg_user, vha, 0x5047, 1599 "Completing %s: (%p) type=%d.\n", 1600 type, sp, sp->type); 1601 sp->done(sp, 0); 1602 return; 1603 } 1604 break; 1605 case SRB_CT_PTHRU_CMD: 1606 /* borrowing sts_entry_24xx.comp_status. 1607 same location as ct_entry_24xx.comp_status 1608 */ 1609 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt, 1610 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1611 sp->name); 1612 sp->done(sp, res); 1613 return; 1614 default: 1615 ql_dbg(ql_dbg_user, vha, 0x503e, 1616 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 1617 return; 1618 } 1619 1620 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 1621 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1); 1622 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2); 1623 1624 if (iocb_type == ELS_IOCB_TYPE) { 1625 els = &sp->u.iocb_cmd; 1626 els->u.els_plogi.fw_status[0] = fw_status[0]; 1627 els->u.els_plogi.fw_status[1] = fw_status[1]; 1628 els->u.els_plogi.fw_status[2] = fw_status[2]; 1629 els->u.els_plogi.comp_status = fw_status[0]; 1630 if (comp_status == CS_COMPLETE) { 1631 res = DID_OK << 16; 1632 } else { 1633 if (comp_status == CS_DATA_UNDERRUN) { 1634 res = DID_OK << 16; 1635 els->u.els_plogi.len = 1636 le16_to_cpu(((struct els_sts_entry_24xx *) 1637 pkt)->total_byte_count); 1638 } else { 1639 els->u.els_plogi.len = 0; 1640 res = DID_ERROR << 16; 1641 } 1642 } 1643 ql_dbg(ql_dbg_user, vha, 0x503f, 1644 "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", 1645 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1646 le16_to_cpu(((struct els_sts_entry_24xx *) 1647 pkt)->total_byte_count)); 1648 goto els_ct_done; 1649 } 1650 1651 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1652 * fc payload to the caller 1653 */ 1654 bsg_job = sp->u.bsg_job; 1655 bsg_reply = bsg_job->reply; 1656 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1657 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 1658 1659 if (comp_status != CS_COMPLETE) { 1660 if (comp_status == CS_DATA_UNDERRUN) { 1661 res = DID_OK << 16; 1662 bsg_reply->reply_payload_rcv_len = 1663 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); 1664 1665 ql_dbg(ql_dbg_user, vha, 0x503f, 1666 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1667 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 1668 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1669 le16_to_cpu(((struct els_sts_entry_24xx *) 1670 pkt)->total_byte_count)); 1671 } else { 1672 ql_dbg(ql_dbg_user, vha, 0x5040, 1673 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1674 "error subcode 1=0x%x error subcode 2=0x%x.\n", 1675 type, sp->handle, comp_status, 1676 le16_to_cpu(((struct els_sts_entry_24xx *) 1677 pkt)->error_subcode_1), 1678 le16_to_cpu(((struct els_sts_entry_24xx *) 1679 pkt)->error_subcode_2)); 1680 res = DID_ERROR << 16; 1681 bsg_reply->reply_payload_rcv_len = 0; 1682 } 1683 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), 1684 fw_status, sizeof(fw_status)); 1685 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 1686 pkt, sizeof(*pkt)); 1687 } 1688 else { 1689 res = DID_OK << 16; 1690 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 1691 bsg_job->reply_len = 0; 1692 } 1693 els_ct_done: 1694 1695 sp->done(sp, res); 1696 } 1697 1698 static void 1699 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 1700 struct logio_entry_24xx *logio) 1701 { 1702 const char func[] = "LOGIO-IOCB"; 1703 const char *type; 1704 fc_port_t *fcport; 1705 srb_t *sp; 1706 struct srb_iocb *lio; 1707 uint16_t *data; 1708 uint32_t iop[2]; 1709 1710 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 1711 if (!sp) 1712 return; 1713 1714 lio = &sp->u.iocb_cmd; 1715 type = sp->name; 1716 fcport = sp->fcport; 1717 data = lio->u.logio.data; 1718 1719 data[0] = MBS_COMMAND_ERROR; 1720 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1721 QLA_LOGIO_LOGIN_RETRIED : 0; 1722 if (logio->entry_status) { 1723 ql_log(ql_log_warn, fcport->vha, 0x5034, 1724 "Async-%s error entry - %8phC hdl=%x" 1725 "portid=%02x%02x%02x entry-status=%x.\n", 1726 type, fcport->port_name, sp->handle, fcport->d_id.b.domain, 1727 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1728 logio->entry_status); 1729 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 1730 logio, sizeof(*logio)); 1731 1732 goto logio_done; 1733 } 1734 1735 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 1736 ql_dbg(ql_dbg_async, fcport->vha, 0x5036, 1737 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x " 1738 "iop0=%x.\n", type, fcport->port_name, sp->handle, 1739 fcport->d_id.b.domain, 1740 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1741 le32_to_cpu(logio->io_parameter[0])); 1742 1743 vha->hw->exch_starvation = 0; 1744 data[0] = MBS_COMMAND_COMPLETE; 1745 1746 if (sp->type == SRB_PRLI_CMD) { 1747 lio->u.logio.iop[0] = 1748 le32_to_cpu(logio->io_parameter[0]); 1749 lio->u.logio.iop[1] = 1750 le32_to_cpu(logio->io_parameter[1]); 1751 goto logio_done; 1752 } 1753 1754 if (sp->type != SRB_LOGIN_CMD) 1755 goto logio_done; 1756 1757 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1758 if (iop[0] & BIT_4) { 1759 fcport->port_type = FCT_TARGET; 1760 if (iop[0] & BIT_8) 1761 fcport->flags |= FCF_FCP2_DEVICE; 1762 } else if (iop[0] & BIT_5) 1763 fcport->port_type = FCT_INITIATOR; 1764 1765 if (iop[0] & BIT_7) 1766 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 1767 1768 if (logio->io_parameter[7] || logio->io_parameter[8]) 1769 fcport->supported_classes |= FC_COS_CLASS2; 1770 if (logio->io_parameter[9] || logio->io_parameter[10]) 1771 fcport->supported_classes |= FC_COS_CLASS3; 1772 1773 goto logio_done; 1774 } 1775 1776 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1777 iop[1] = le32_to_cpu(logio->io_parameter[1]); 1778 lio->u.logio.iop[0] = iop[0]; 1779 lio->u.logio.iop[1] = iop[1]; 1780 switch (iop[0]) { 1781 case LSC_SCODE_PORTID_USED: 1782 data[0] = MBS_PORT_ID_USED; 1783 data[1] = LSW(iop[1]); 1784 break; 1785 case LSC_SCODE_NPORT_USED: 1786 data[0] = MBS_LOOP_ID_USED; 1787 break; 1788 case LSC_SCODE_CMD_FAILED: 1789 if (iop[1] == 0x0606) { 1790 /* 1791 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, 1792 * Target side acked. 1793 */ 1794 data[0] = MBS_COMMAND_COMPLETE; 1795 goto logio_done; 1796 } 1797 data[0] = MBS_COMMAND_ERROR; 1798 break; 1799 case LSC_SCODE_NOXCB: 1800 vha->hw->exch_starvation++; 1801 if (vha->hw->exch_starvation > 5) { 1802 ql_log(ql_log_warn, vha, 0xd046, 1803 "Exchange starvation. Resetting RISC\n"); 1804 1805 vha->hw->exch_starvation = 0; 1806 1807 if (IS_P3P_TYPE(vha->hw)) 1808 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1809 else 1810 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1811 qla2xxx_wake_dpc(vha); 1812 } 1813 /* fall through */ 1814 default: 1815 data[0] = MBS_COMMAND_ERROR; 1816 break; 1817 } 1818 1819 ql_dbg(ql_dbg_async, fcport->vha, 0x5037, 1820 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x " 1821 "iop0=%x iop1=%x.\n", type, fcport->port_name, 1822 sp->handle, fcport->d_id.b.domain, 1823 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1824 le16_to_cpu(logio->comp_status), 1825 le32_to_cpu(logio->io_parameter[0]), 1826 le32_to_cpu(logio->io_parameter[1])); 1827 1828 logio_done: 1829 sp->done(sp, 0); 1830 } 1831 1832 static void 1833 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 1834 { 1835 const char func[] = "TMF-IOCB"; 1836 const char *type; 1837 fc_port_t *fcport; 1838 srb_t *sp; 1839 struct srb_iocb *iocb; 1840 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1841 1842 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1843 if (!sp) 1844 return; 1845 1846 iocb = &sp->u.iocb_cmd; 1847 type = sp->name; 1848 fcport = sp->fcport; 1849 iocb->u.tmf.data = QLA_SUCCESS; 1850 1851 if (sts->entry_status) { 1852 ql_log(ql_log_warn, fcport->vha, 0x5038, 1853 "Async-%s error - hdl=%x entry-status(%x).\n", 1854 type, sp->handle, sts->entry_status); 1855 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1856 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 1857 ql_log(ql_log_warn, fcport->vha, 0x5039, 1858 "Async-%s error - hdl=%x completion status(%x).\n", 1859 type, sp->handle, sts->comp_status); 1860 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1861 } else if ((le16_to_cpu(sts->scsi_status) & 1862 SS_RESPONSE_INFO_LEN_VALID)) { 1863 if (le32_to_cpu(sts->rsp_data_len) < 4) { 1864 ql_log(ql_log_warn, fcport->vha, 0x503b, 1865 "Async-%s error - hdl=%x not enough response(%d).\n", 1866 type, sp->handle, sts->rsp_data_len); 1867 } else if (sts->data[3]) { 1868 ql_log(ql_log_warn, fcport->vha, 0x503c, 1869 "Async-%s error - hdl=%x response(%x).\n", 1870 type, sp->handle, sts->data[3]); 1871 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1872 } 1873 } 1874 1875 if (iocb->u.tmf.data != QLA_SUCCESS) 1876 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055, 1877 sts, sizeof(*sts)); 1878 1879 sp->done(sp, 0); 1880 } 1881 1882 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1883 void *tsk, srb_t *sp) 1884 { 1885 fc_port_t *fcport; 1886 struct srb_iocb *iocb; 1887 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1888 uint16_t state_flags; 1889 struct nvmefc_fcp_req *fd; 1890 uint16_t ret = QLA_SUCCESS; 1891 uint16_t comp_status = le16_to_cpu(sts->comp_status); 1892 1893 iocb = &sp->u.iocb_cmd; 1894 fcport = sp->fcport; 1895 iocb->u.nvme.comp_status = comp_status; 1896 state_flags = le16_to_cpu(sts->state_flags); 1897 fd = iocb->u.nvme.desc; 1898 1899 if (unlikely(iocb->u.nvme.aen_op)) 1900 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); 1901 1902 /* 1903 * State flags: Bit 6 and 0. 1904 * If 0 is set, we don't care about 6. 1905 * both cases resp was dma'd to host buffer 1906 * if both are 0, that is good path case. 1907 * if six is set and 0 is clear, we need to 1908 * copy resp data from status iocb to resp buffer. 1909 */ 1910 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { 1911 iocb->u.nvme.rsp_pyld_len = 0; 1912 } else if ((state_flags & SF_FCP_RSP_DMA)) { 1913 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1914 } else if (state_flags & SF_NVME_ERSP) { 1915 uint32_t *inbuf, *outbuf; 1916 uint16_t iter; 1917 1918 inbuf = (uint32_t *)&sts->nvme_ersp_data; 1919 outbuf = (uint32_t *)fd->rspaddr; 1920 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1921 iter = iocb->u.nvme.rsp_pyld_len >> 2; 1922 for (; iter; iter--) 1923 *outbuf++ = swab32(*inbuf++); 1924 } else { /* unhandled case */ 1925 ql_log(ql_log_warn, fcport->vha, 0x503a, 1926 "NVME-%s error. Unhandled state_flags of %x\n", 1927 sp->name, state_flags); 1928 } 1929 1930 fd->transferred_length = fd->payload_length - 1931 le32_to_cpu(sts->residual_len); 1932 1933 if (unlikely(comp_status != CS_COMPLETE)) 1934 ql_log(ql_log_warn, fcport->vha, 0x5060, 1935 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n", 1936 sp->name, sp->handle, comp_status, 1937 fd->transferred_length, le32_to_cpu(sts->residual_len), 1938 sts->ox_id); 1939 1940 /* 1941 * If transport error then Failure (HBA rejects request) 1942 * otherwise transport will handle. 1943 */ 1944 switch (comp_status) { 1945 case CS_COMPLETE: 1946 break; 1947 1948 case CS_RESET: 1949 case CS_PORT_UNAVAILABLE: 1950 case CS_PORT_LOGGED_OUT: 1951 fcport->nvme_flag |= NVME_FLAG_RESETTING; 1952 /* fall through */ 1953 case CS_ABORTED: 1954 case CS_PORT_BUSY: 1955 fd->transferred_length = 0; 1956 iocb->u.nvme.rsp_pyld_len = 0; 1957 ret = QLA_ABORTED; 1958 break; 1959 case CS_DATA_UNDERRUN: 1960 break; 1961 default: 1962 ret = QLA_FUNCTION_FAILED; 1963 break; 1964 } 1965 sp->done(sp, ret); 1966 } 1967 1968 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, 1969 struct vp_ctrl_entry_24xx *vce) 1970 { 1971 const char func[] = "CTRLVP-IOCB"; 1972 srb_t *sp; 1973 int rval = QLA_SUCCESS; 1974 1975 sp = qla2x00_get_sp_from_handle(vha, func, req, vce); 1976 if (!sp) 1977 return; 1978 1979 if (vce->entry_status != 0) { 1980 ql_dbg(ql_dbg_vport, vha, 0x10c4, 1981 "%s: Failed to complete IOCB -- error status (%x)\n", 1982 sp->name, vce->entry_status); 1983 rval = QLA_FUNCTION_FAILED; 1984 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { 1985 ql_dbg(ql_dbg_vport, vha, 0x10c5, 1986 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", 1987 sp->name, le16_to_cpu(vce->comp_status), 1988 le16_to_cpu(vce->vp_idx_failed)); 1989 rval = QLA_FUNCTION_FAILED; 1990 } else { 1991 ql_dbg(ql_dbg_vport, vha, 0x10c6, 1992 "Done %s.\n", __func__); 1993 } 1994 1995 sp->rc = rval; 1996 sp->done(sp, rval); 1997 } 1998 1999 /* Process a single response queue entry. */ 2000 static void qla2x00_process_response_entry(struct scsi_qla_host *vha, 2001 struct rsp_que *rsp, 2002 sts_entry_t *pkt) 2003 { 2004 sts21_entry_t *sts21_entry; 2005 sts22_entry_t *sts22_entry; 2006 uint16_t handle_cnt; 2007 uint16_t cnt; 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 sts21_entry = (sts21_entry_t *)pkt; 2015 handle_cnt = sts21_entry->handle_count; 2016 for (cnt = 0; cnt < handle_cnt; cnt++) 2017 qla2x00_process_completed_request(vha, rsp->req, 2018 sts21_entry->handle[cnt]); 2019 break; 2020 case STATUS_TYPE_22: 2021 sts22_entry = (sts22_entry_t *)pkt; 2022 handle_cnt = sts22_entry->handle_count; 2023 for (cnt = 0; cnt < handle_cnt; cnt++) 2024 qla2x00_process_completed_request(vha, rsp->req, 2025 sts22_entry->handle[cnt]); 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, (struct mbx_entry *)pkt); 2032 break; 2033 case CT_IOCB_TYPE: 2034 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2035 break; 2036 default: 2037 /* Type Not Supported. */ 2038 ql_log(ql_log_warn, vha, 0x504a, 2039 "Received unknown response pkt type %x entry status=%x.\n", 2040 pkt->entry_type, pkt->entry_status); 2041 break; 2042 } 2043 } 2044 2045 /** 2046 * qla2x00_process_response_queue() - Process response queue entries. 2047 * @rsp: response queue 2048 */ 2049 void 2050 qla2x00_process_response_queue(struct rsp_que *rsp) 2051 { 2052 struct scsi_qla_host *vha; 2053 struct qla_hw_data *ha = rsp->hw; 2054 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 2055 sts_entry_t *pkt; 2056 2057 vha = pci_get_drvdata(ha->pdev); 2058 2059 if (!vha->flags.online) 2060 return; 2061 2062 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2063 pkt = (sts_entry_t *)rsp->ring_ptr; 2064 2065 rsp->ring_index++; 2066 if (rsp->ring_index == rsp->length) { 2067 rsp->ring_index = 0; 2068 rsp->ring_ptr = rsp->ring; 2069 } else { 2070 rsp->ring_ptr++; 2071 } 2072 2073 if (pkt->entry_status != 0) { 2074 qla2x00_error_entry(vha, rsp, pkt); 2075 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2076 wmb(); 2077 continue; 2078 } 2079 2080 qla2x00_process_response_entry(vha, rsp, pkt); 2081 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2082 wmb(); 2083 } 2084 2085 /* Adjust ring index */ 2086 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 2087 } 2088 2089 static inline void 2090 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2091 uint32_t sense_len, struct rsp_que *rsp, int res) 2092 { 2093 struct scsi_qla_host *vha = sp->vha; 2094 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2095 uint32_t track_sense_len; 2096 2097 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2098 sense_len = SCSI_SENSE_BUFFERSIZE; 2099 2100 SET_CMD_SENSE_LEN(sp, sense_len); 2101 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2102 track_sense_len = sense_len; 2103 2104 if (sense_len > par_sense_len) 2105 sense_len = par_sense_len; 2106 2107 memcpy(cp->sense_buffer, sense_data, sense_len); 2108 2109 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2110 track_sense_len -= sense_len; 2111 SET_CMD_SENSE_LEN(sp, track_sense_len); 2112 2113 if (track_sense_len != 0) { 2114 rsp->status_srb = sp; 2115 cp->result = res; 2116 } 2117 2118 if (sense_len) { 2119 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 2120 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 2121 sp->vha->host_no, cp->device->id, cp->device->lun, 2122 cp); 2123 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 2124 cp->sense_buffer, sense_len); 2125 } 2126 } 2127 2128 struct scsi_dif_tuple { 2129 __be16 guard; /* Checksum */ 2130 __be16 app_tag; /* APPL identifier */ 2131 __be32 ref_tag; /* Target LBA or indirect LBA */ 2132 }; 2133 2134 /* 2135 * Checks the guard or meta-data for the type of error 2136 * detected by the HBA. In case of errors, we set the 2137 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 2138 * to indicate to the kernel that the HBA detected error. 2139 */ 2140 static inline int 2141 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 2142 { 2143 struct scsi_qla_host *vha = sp->vha; 2144 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 2145 uint8_t *ap = &sts24->data[12]; 2146 uint8_t *ep = &sts24->data[20]; 2147 uint32_t e_ref_tag, a_ref_tag; 2148 uint16_t e_app_tag, a_app_tag; 2149 uint16_t e_guard, a_guard; 2150 2151 /* 2152 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 2153 * would make guard field appear at offset 2 2154 */ 2155 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); 2156 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); 2157 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); 2158 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); 2159 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); 2160 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); 2161 2162 ql_dbg(ql_dbg_io, vha, 0x3023, 2163 "iocb(s) %p Returned STATUS.\n", sts24); 2164 2165 ql_dbg(ql_dbg_io, vha, 0x3024, 2166 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 2167 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 2168 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 2169 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 2170 a_app_tag, e_app_tag, a_guard, e_guard); 2171 2172 /* 2173 * Ignore sector if: 2174 * For type 3: ref & app tag is all 'f's 2175 * For type 0,1,2: app tag is all 'f's 2176 */ 2177 if ((a_app_tag == T10_PI_APP_ESCAPE) && 2178 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 2179 (a_ref_tag == T10_PI_REF_ESCAPE))) { 2180 uint32_t blocks_done, resid; 2181 sector_t lba_s = scsi_get_lba(cmd); 2182 2183 /* 2TB boundary case covered automatically with this */ 2184 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 2185 2186 resid = scsi_bufflen(cmd) - (blocks_done * 2187 cmd->device->sector_size); 2188 2189 scsi_set_resid(cmd, resid); 2190 cmd->result = DID_OK << 16; 2191 2192 /* Update protection tag */ 2193 if (scsi_prot_sg_count(cmd)) { 2194 uint32_t i, j = 0, k = 0, num_ent; 2195 struct scatterlist *sg; 2196 struct t10_pi_tuple *spt; 2197 2198 /* Patch the corresponding protection tags */ 2199 scsi_for_each_prot_sg(cmd, sg, 2200 scsi_prot_sg_count(cmd), i) { 2201 num_ent = sg_dma_len(sg) / 8; 2202 if (k + num_ent < blocks_done) { 2203 k += num_ent; 2204 continue; 2205 } 2206 j = blocks_done - k - 1; 2207 k = blocks_done; 2208 break; 2209 } 2210 2211 if (k != blocks_done) { 2212 ql_log(ql_log_warn, vha, 0x302f, 2213 "unexpected tag values tag:lba=%x:%llx)\n", 2214 e_ref_tag, (unsigned long long)lba_s); 2215 return 1; 2216 } 2217 2218 spt = page_address(sg_page(sg)) + sg->offset; 2219 spt += j; 2220 2221 spt->app_tag = T10_PI_APP_ESCAPE; 2222 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 2223 spt->ref_tag = T10_PI_REF_ESCAPE; 2224 } 2225 2226 return 0; 2227 } 2228 2229 /* check guard */ 2230 if (e_guard != a_guard) { 2231 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2232 0x10, 0x1); 2233 set_driver_byte(cmd, DRIVER_SENSE); 2234 set_host_byte(cmd, DID_ABORT); 2235 cmd->result |= SAM_STAT_CHECK_CONDITION; 2236 return 1; 2237 } 2238 2239 /* check ref tag */ 2240 if (e_ref_tag != a_ref_tag) { 2241 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2242 0x10, 0x3); 2243 set_driver_byte(cmd, DRIVER_SENSE); 2244 set_host_byte(cmd, DID_ABORT); 2245 cmd->result |= SAM_STAT_CHECK_CONDITION; 2246 return 1; 2247 } 2248 2249 /* check appl tag */ 2250 if (e_app_tag != a_app_tag) { 2251 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2252 0x10, 0x2); 2253 set_driver_byte(cmd, DRIVER_SENSE); 2254 set_host_byte(cmd, DID_ABORT); 2255 cmd->result |= SAM_STAT_CHECK_CONDITION; 2256 return 1; 2257 } 2258 2259 return 1; 2260 } 2261 2262 static void 2263 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 2264 struct req_que *req, uint32_t index) 2265 { 2266 struct qla_hw_data *ha = vha->hw; 2267 srb_t *sp; 2268 uint16_t comp_status; 2269 uint16_t scsi_status; 2270 uint16_t thread_id; 2271 uint32_t rval = EXT_STATUS_OK; 2272 struct bsg_job *bsg_job = NULL; 2273 struct fc_bsg_request *bsg_request; 2274 struct fc_bsg_reply *bsg_reply; 2275 sts_entry_t *sts = pkt; 2276 struct sts_entry_24xx *sts24 = pkt; 2277 2278 /* Validate handle. */ 2279 if (index >= req->num_outstanding_cmds) { 2280 ql_log(ql_log_warn, vha, 0x70af, 2281 "Invalid SCSI completion handle 0x%x.\n", index); 2282 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2283 return; 2284 } 2285 2286 sp = req->outstanding_cmds[index]; 2287 if (!sp) { 2288 ql_log(ql_log_warn, vha, 0x70b0, 2289 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 2290 req->id, index); 2291 2292 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2293 return; 2294 } 2295 2296 /* Free outstanding command slot. */ 2297 req->outstanding_cmds[index] = NULL; 2298 bsg_job = sp->u.bsg_job; 2299 bsg_request = bsg_job->request; 2300 bsg_reply = bsg_job->reply; 2301 2302 if (IS_FWI2_CAPABLE(ha)) { 2303 comp_status = le16_to_cpu(sts24->comp_status); 2304 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2305 } else { 2306 comp_status = le16_to_cpu(sts->comp_status); 2307 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2308 } 2309 2310 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 2311 switch (comp_status) { 2312 case CS_COMPLETE: 2313 if (scsi_status == 0) { 2314 bsg_reply->reply_payload_rcv_len = 2315 bsg_job->reply_payload.payload_len; 2316 vha->qla_stats.input_bytes += 2317 bsg_reply->reply_payload_rcv_len; 2318 vha->qla_stats.input_requests++; 2319 rval = EXT_STATUS_OK; 2320 } 2321 goto done; 2322 2323 case CS_DATA_OVERRUN: 2324 ql_dbg(ql_dbg_user, vha, 0x70b1, 2325 "Command completed with data overrun thread_id=%d\n", 2326 thread_id); 2327 rval = EXT_STATUS_DATA_OVERRUN; 2328 break; 2329 2330 case CS_DATA_UNDERRUN: 2331 ql_dbg(ql_dbg_user, vha, 0x70b2, 2332 "Command completed with data underrun thread_id=%d\n", 2333 thread_id); 2334 rval = EXT_STATUS_DATA_UNDERRUN; 2335 break; 2336 case CS_BIDIR_RD_OVERRUN: 2337 ql_dbg(ql_dbg_user, vha, 0x70b3, 2338 "Command completed with read data overrun thread_id=%d\n", 2339 thread_id); 2340 rval = EXT_STATUS_DATA_OVERRUN; 2341 break; 2342 2343 case CS_BIDIR_RD_WR_OVERRUN: 2344 ql_dbg(ql_dbg_user, vha, 0x70b4, 2345 "Command completed with read and write data overrun " 2346 "thread_id=%d\n", thread_id); 2347 rval = EXT_STATUS_DATA_OVERRUN; 2348 break; 2349 2350 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 2351 ql_dbg(ql_dbg_user, vha, 0x70b5, 2352 "Command completed with read data over and write data " 2353 "underrun thread_id=%d\n", thread_id); 2354 rval = EXT_STATUS_DATA_OVERRUN; 2355 break; 2356 2357 case CS_BIDIR_RD_UNDERRUN: 2358 ql_dbg(ql_dbg_user, vha, 0x70b6, 2359 "Command completed with read data underrun " 2360 "thread_id=%d\n", thread_id); 2361 rval = EXT_STATUS_DATA_UNDERRUN; 2362 break; 2363 2364 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 2365 ql_dbg(ql_dbg_user, vha, 0x70b7, 2366 "Command completed with read data under and write data " 2367 "overrun thread_id=%d\n", thread_id); 2368 rval = EXT_STATUS_DATA_UNDERRUN; 2369 break; 2370 2371 case CS_BIDIR_RD_WR_UNDERRUN: 2372 ql_dbg(ql_dbg_user, vha, 0x70b8, 2373 "Command completed with read and write data underrun " 2374 "thread_id=%d\n", thread_id); 2375 rval = EXT_STATUS_DATA_UNDERRUN; 2376 break; 2377 2378 case CS_BIDIR_DMA: 2379 ql_dbg(ql_dbg_user, vha, 0x70b9, 2380 "Command completed with data DMA error thread_id=%d\n", 2381 thread_id); 2382 rval = EXT_STATUS_DMA_ERR; 2383 break; 2384 2385 case CS_TIMEOUT: 2386 ql_dbg(ql_dbg_user, vha, 0x70ba, 2387 "Command completed with timeout thread_id=%d\n", 2388 thread_id); 2389 rval = EXT_STATUS_TIMEOUT; 2390 break; 2391 default: 2392 ql_dbg(ql_dbg_user, vha, 0x70bb, 2393 "Command completed with completion status=0x%x " 2394 "thread_id=%d\n", comp_status, thread_id); 2395 rval = EXT_STATUS_ERR; 2396 break; 2397 } 2398 bsg_reply->reply_payload_rcv_len = 0; 2399 2400 done: 2401 /* Return the vendor specific reply to API */ 2402 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 2403 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2404 /* Always return DID_OK, bsg will send the vendor specific response 2405 * in this case only */ 2406 sp->done(sp, DID_OK << 16); 2407 2408 } 2409 2410 /** 2411 * qla2x00_status_entry() - Process a Status IOCB entry. 2412 * @vha: SCSI driver HA context 2413 * @rsp: response queue 2414 * @pkt: Entry pointer 2415 */ 2416 static void 2417 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2418 { 2419 srb_t *sp; 2420 fc_port_t *fcport; 2421 struct scsi_cmnd *cp; 2422 sts_entry_t *sts = pkt; 2423 struct sts_entry_24xx *sts24 = pkt; 2424 uint16_t comp_status; 2425 uint16_t scsi_status; 2426 uint16_t ox_id; 2427 uint8_t lscsi_status; 2428 int32_t resid; 2429 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2430 fw_resid_len; 2431 uint8_t *rsp_info, *sense_data; 2432 struct qla_hw_data *ha = vha->hw; 2433 uint32_t handle; 2434 uint16_t que; 2435 struct req_que *req; 2436 int logit = 1; 2437 int res = 0; 2438 uint16_t state_flags = 0; 2439 uint16_t retry_delay = 0; 2440 2441 if (IS_FWI2_CAPABLE(ha)) { 2442 comp_status = le16_to_cpu(sts24->comp_status); 2443 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2444 state_flags = le16_to_cpu(sts24->state_flags); 2445 } else { 2446 comp_status = le16_to_cpu(sts->comp_status); 2447 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2448 } 2449 handle = (uint32_t) LSW(sts->handle); 2450 que = MSW(sts->handle); 2451 req = ha->req_q_map[que]; 2452 2453 /* Check for invalid queue pointer */ 2454 if (req == NULL || 2455 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 2456 ql_dbg(ql_dbg_io, vha, 0x3059, 2457 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 2458 "que=%u.\n", sts->handle, req, que); 2459 return; 2460 } 2461 2462 /* Validate handle. */ 2463 if (handle < req->num_outstanding_cmds) { 2464 sp = req->outstanding_cmds[handle]; 2465 if (!sp) { 2466 ql_dbg(ql_dbg_io, vha, 0x3075, 2467 "%s(%ld): Already returned command for status handle (0x%x).\n", 2468 __func__, vha->host_no, sts->handle); 2469 return; 2470 } 2471 } else { 2472 ql_dbg(ql_dbg_io, vha, 0x3017, 2473 "Invalid status handle, out of range (0x%x).\n", 2474 sts->handle); 2475 2476 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 2477 if (IS_P3P_TYPE(ha)) 2478 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2479 else 2480 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2481 qla2xxx_wake_dpc(vha); 2482 } 2483 return; 2484 } 2485 2486 if (sp->abort) 2487 sp->aborted = 1; 2488 else 2489 sp->completed = 1; 2490 2491 if (sp->cmd_type != TYPE_SRB) { 2492 req->outstanding_cmds[handle] = NULL; 2493 ql_dbg(ql_dbg_io, vha, 0x3015, 2494 "Unknown sp->cmd_type %x %p).\n", 2495 sp->cmd_type, sp); 2496 return; 2497 } 2498 2499 /* NVME completion. */ 2500 if (sp->type == SRB_NVME_CMD) { 2501 req->outstanding_cmds[handle] = NULL; 2502 qla24xx_nvme_iocb_entry(vha, req, pkt, sp); 2503 return; 2504 } 2505 2506 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 2507 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 2508 return; 2509 } 2510 2511 /* Task Management completion. */ 2512 if (sp->type == SRB_TM_CMD) { 2513 qla24xx_tm_iocb_entry(vha, req, pkt); 2514 return; 2515 } 2516 2517 /* Fast path completion. */ 2518 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2519 qla2x00_process_completed_request(vha, req, handle); 2520 2521 return; 2522 } 2523 2524 req->outstanding_cmds[handle] = NULL; 2525 cp = GET_CMD_SP(sp); 2526 if (cp == NULL) { 2527 ql_dbg(ql_dbg_io, vha, 0x3018, 2528 "Command already returned (0x%x/%p).\n", 2529 sts->handle, sp); 2530 2531 return; 2532 } 2533 2534 lscsi_status = scsi_status & STATUS_MASK; 2535 2536 fcport = sp->fcport; 2537 2538 ox_id = 0; 2539 sense_len = par_sense_len = rsp_info_len = resid_len = 2540 fw_resid_len = 0; 2541 if (IS_FWI2_CAPABLE(ha)) { 2542 if (scsi_status & SS_SENSE_LEN_VALID) 2543 sense_len = le32_to_cpu(sts24->sense_len); 2544 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2545 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 2546 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 2547 resid_len = le32_to_cpu(sts24->rsp_residual_count); 2548 if (comp_status == CS_DATA_UNDERRUN) 2549 fw_resid_len = le32_to_cpu(sts24->residual_len); 2550 rsp_info = sts24->data; 2551 sense_data = sts24->data; 2552 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 2553 ox_id = le16_to_cpu(sts24->ox_id); 2554 par_sense_len = sizeof(sts24->data); 2555 /* Valid values of the retry delay timer are 0x1-0xffef */ 2556 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) { 2557 retry_delay = sts24->retry_delay & 0x3fff; 2558 ql_dbg(ql_dbg_io, sp->vha, 0x3033, 2559 "%s: scope=%#x retry_delay=%#x\n", __func__, 2560 sts24->retry_delay >> 14, retry_delay); 2561 } 2562 } else { 2563 if (scsi_status & SS_SENSE_LEN_VALID) 2564 sense_len = le16_to_cpu(sts->req_sense_length); 2565 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2566 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 2567 resid_len = le32_to_cpu(sts->residual_length); 2568 rsp_info = sts->rsp_info; 2569 sense_data = sts->req_sense_data; 2570 par_sense_len = sizeof(sts->req_sense_data); 2571 } 2572 2573 /* Check for any FCP transport errors. */ 2574 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 2575 /* Sense data lies beyond any FCP RESPONSE data. */ 2576 if (IS_FWI2_CAPABLE(ha)) { 2577 sense_data += rsp_info_len; 2578 par_sense_len -= rsp_info_len; 2579 } 2580 if (rsp_info_len > 3 && rsp_info[3]) { 2581 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 2582 "FCP I/O protocol failure (0x%x/0x%x).\n", 2583 rsp_info_len, rsp_info[3]); 2584 2585 res = DID_BUS_BUSY << 16; 2586 goto out; 2587 } 2588 } 2589 2590 /* Check for overrun. */ 2591 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2592 scsi_status & SS_RESIDUAL_OVER) 2593 comp_status = CS_DATA_OVERRUN; 2594 2595 /* 2596 * Check retry_delay_timer value if we receive a busy or 2597 * queue full. 2598 */ 2599 if (lscsi_status == SAM_STAT_TASK_SET_FULL || 2600 lscsi_status == SAM_STAT_BUSY) 2601 qla2x00_set_retry_delay_timestamp(fcport, retry_delay); 2602 2603 /* 2604 * Based on Host and scsi status generate status code for Linux 2605 */ 2606 switch (comp_status) { 2607 case CS_COMPLETE: 2608 case CS_QUEUE_FULL: 2609 if (scsi_status == 0) { 2610 res = DID_OK << 16; 2611 break; 2612 } 2613 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2614 resid = resid_len; 2615 scsi_set_resid(cp, resid); 2616 2617 if (!lscsi_status && 2618 ((unsigned)(scsi_bufflen(cp) - resid) < 2619 cp->underflow)) { 2620 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2621 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2622 resid, scsi_bufflen(cp)); 2623 2624 res = DID_ERROR << 16; 2625 break; 2626 } 2627 } 2628 res = DID_OK << 16 | lscsi_status; 2629 2630 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2631 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2632 "QUEUE FULL detected.\n"); 2633 break; 2634 } 2635 logit = 0; 2636 if (lscsi_status != SS_CHECK_CONDITION) 2637 break; 2638 2639 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2640 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2641 break; 2642 2643 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2644 rsp, res); 2645 break; 2646 2647 case CS_DATA_UNDERRUN: 2648 /* Use F/W calculated residual length. */ 2649 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2650 scsi_set_resid(cp, resid); 2651 if (scsi_status & SS_RESIDUAL_UNDER) { 2652 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2653 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2654 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2655 resid, scsi_bufflen(cp)); 2656 2657 res = DID_ERROR << 16 | lscsi_status; 2658 goto check_scsi_status; 2659 } 2660 2661 if (!lscsi_status && 2662 ((unsigned)(scsi_bufflen(cp) - resid) < 2663 cp->underflow)) { 2664 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2665 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2666 resid, scsi_bufflen(cp)); 2667 2668 res = DID_ERROR << 16; 2669 break; 2670 } 2671 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2672 lscsi_status != SAM_STAT_BUSY) { 2673 /* 2674 * scsi status of task set and busy are considered to be 2675 * task not completed. 2676 */ 2677 2678 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2679 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2680 resid, scsi_bufflen(cp)); 2681 2682 res = DID_ERROR << 16 | lscsi_status; 2683 goto check_scsi_status; 2684 } else { 2685 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2686 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2687 scsi_status, lscsi_status); 2688 } 2689 2690 res = DID_OK << 16 | lscsi_status; 2691 logit = 0; 2692 2693 check_scsi_status: 2694 /* 2695 * Check to see if SCSI Status is non zero. If so report SCSI 2696 * Status. 2697 */ 2698 if (lscsi_status != 0) { 2699 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2700 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2701 "QUEUE FULL detected.\n"); 2702 logit = 1; 2703 break; 2704 } 2705 if (lscsi_status != SS_CHECK_CONDITION) 2706 break; 2707 2708 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2709 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2710 break; 2711 2712 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2713 sense_len, rsp, res); 2714 } 2715 break; 2716 2717 case CS_PORT_LOGGED_OUT: 2718 case CS_PORT_CONFIG_CHG: 2719 case CS_PORT_BUSY: 2720 case CS_INCOMPLETE: 2721 case CS_PORT_UNAVAILABLE: 2722 case CS_TIMEOUT: 2723 case CS_RESET: 2724 2725 /* 2726 * We are going to have the fc class block the rport 2727 * while we try to recover so instruct the mid layer 2728 * to requeue until the class decides how to handle this. 2729 */ 2730 res = DID_TRANSPORT_DISRUPTED << 16; 2731 2732 if (comp_status == CS_TIMEOUT) { 2733 if (IS_FWI2_CAPABLE(ha)) 2734 break; 2735 else if ((le16_to_cpu(sts->status_flags) & 2736 SF_LOGOUT_SENT) == 0) 2737 break; 2738 } 2739 2740 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2741 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2742 "Port to be marked lost on fcport=%02x%02x%02x, current " 2743 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 2744 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2745 port_state_str[FCS_ONLINE], 2746 comp_status); 2747 2748 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 2749 qlt_schedule_sess_for_deletion(fcport); 2750 } 2751 2752 break; 2753 2754 case CS_ABORTED: 2755 res = DID_RESET << 16; 2756 break; 2757 2758 case CS_DIF_ERROR: 2759 logit = qla2x00_handle_dif_error(sp, sts24); 2760 res = cp->result; 2761 break; 2762 2763 case CS_TRANSPORT: 2764 res = DID_ERROR << 16; 2765 2766 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2767 break; 2768 2769 if (state_flags & BIT_4) 2770 scmd_printk(KERN_WARNING, cp, 2771 "Unsupported device '%s' found.\n", 2772 cp->device->vendor); 2773 break; 2774 2775 case CS_DMA: 2776 ql_log(ql_log_info, fcport->vha, 0x3022, 2777 "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", 2778 comp_status, scsi_status, res, vha->host_no, 2779 cp->device->id, cp->device->lun, fcport->d_id.b24, 2780 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2781 resid_len, fw_resid_len, sp, cp); 2782 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee, 2783 pkt, sizeof(*sts24)); 2784 res = DID_ERROR << 16; 2785 break; 2786 default: 2787 res = DID_ERROR << 16; 2788 break; 2789 } 2790 2791 out: 2792 if (logit) 2793 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 2794 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 2795 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " 2796 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 2797 comp_status, scsi_status, res, vha->host_no, 2798 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 2799 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 2800 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2801 resid_len, fw_resid_len, sp, cp); 2802 2803 if (rsp->status_srb == NULL) 2804 sp->done(sp, res); 2805 } 2806 2807 /** 2808 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 2809 * @rsp: response queue 2810 * @pkt: Entry pointer 2811 * 2812 * Extended sense data. 2813 */ 2814 static void 2815 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2816 { 2817 uint8_t sense_sz = 0; 2818 struct qla_hw_data *ha = rsp->hw; 2819 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2820 srb_t *sp = rsp->status_srb; 2821 struct scsi_cmnd *cp; 2822 uint32_t sense_len; 2823 uint8_t *sense_ptr; 2824 2825 if (!sp || !GET_CMD_SENSE_LEN(sp)) 2826 return; 2827 2828 sense_len = GET_CMD_SENSE_LEN(sp); 2829 sense_ptr = GET_CMD_SENSE_PTR(sp); 2830 2831 cp = GET_CMD_SP(sp); 2832 if (cp == NULL) { 2833 ql_log(ql_log_warn, vha, 0x3025, 2834 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2835 2836 rsp->status_srb = NULL; 2837 return; 2838 } 2839 2840 if (sense_len > sizeof(pkt->data)) 2841 sense_sz = sizeof(pkt->data); 2842 else 2843 sense_sz = sense_len; 2844 2845 /* Move sense data. */ 2846 if (IS_FWI2_CAPABLE(ha)) 2847 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 2848 memcpy(sense_ptr, pkt->data, sense_sz); 2849 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 2850 sense_ptr, sense_sz); 2851 2852 sense_len -= sense_sz; 2853 sense_ptr += sense_sz; 2854 2855 SET_CMD_SENSE_PTR(sp, sense_ptr); 2856 SET_CMD_SENSE_LEN(sp, sense_len); 2857 2858 /* Place command on done queue. */ 2859 if (sense_len == 0) { 2860 rsp->status_srb = NULL; 2861 sp->done(sp, cp->result); 2862 } 2863 } 2864 2865 /** 2866 * qla2x00_error_entry() - Process an error entry. 2867 * @vha: SCSI driver HA context 2868 * @rsp: response queue 2869 * @pkt: Entry pointer 2870 * return : 1=allow further error analysis. 0=no additional error analysis. 2871 */ 2872 static int 2873 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 2874 { 2875 srb_t *sp; 2876 struct qla_hw_data *ha = vha->hw; 2877 const char func[] = "ERROR-IOCB"; 2878 uint16_t que = MSW(pkt->handle); 2879 struct req_que *req = NULL; 2880 int res = DID_ERROR << 16; 2881 2882 ql_dbg(ql_dbg_async, vha, 0x502a, 2883 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", 2884 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); 2885 2886 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 2887 goto fatal; 2888 2889 req = ha->req_q_map[que]; 2890 2891 if (pkt->entry_status & RF_BUSY) 2892 res = DID_BUS_BUSY << 16; 2893 2894 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) 2895 return 0; 2896 2897 switch (pkt->entry_type) { 2898 case NOTIFY_ACK_TYPE: 2899 case STATUS_TYPE: 2900 case STATUS_CONT_TYPE: 2901 case LOGINOUT_PORT_IOCB_TYPE: 2902 case CT_IOCB_TYPE: 2903 case ELS_IOCB_TYPE: 2904 case ABORT_IOCB_TYPE: 2905 case MBX_IOCB_TYPE: 2906 default: 2907 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2908 if (sp) { 2909 sp->done(sp, res); 2910 return 0; 2911 } 2912 break; 2913 2914 case ABTS_RESP_24XX: 2915 case CTIO_TYPE7: 2916 case CTIO_CRC2: 2917 return 1; 2918 } 2919 fatal: 2920 ql_log(ql_log_warn, vha, 0x5030, 2921 "Error entry - invalid handle/queue (%04x).\n", que); 2922 return 0; 2923 } 2924 2925 /** 2926 * qla24xx_mbx_completion() - Process mailbox command completions. 2927 * @vha: SCSI driver HA context 2928 * @mb0: Mailbox0 register 2929 */ 2930 static void 2931 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2932 { 2933 uint16_t cnt; 2934 uint32_t mboxes; 2935 uint16_t __iomem *wptr; 2936 struct qla_hw_data *ha = vha->hw; 2937 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2938 2939 /* Read all mbox registers? */ 2940 WARN_ON_ONCE(ha->mbx_count > 32); 2941 mboxes = (1ULL << ha->mbx_count) - 1; 2942 if (!ha->mcp) 2943 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 2944 else 2945 mboxes = ha->mcp->in_mb; 2946 2947 /* Load return mailbox registers. */ 2948 ha->flags.mbox_int = 1; 2949 ha->mailbox_out[0] = mb0; 2950 mboxes >>= 1; 2951 wptr = (uint16_t __iomem *)®->mailbox1; 2952 2953 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2954 if (mboxes & BIT_0) 2955 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2956 2957 mboxes >>= 1; 2958 wptr++; 2959 } 2960 } 2961 2962 static void 2963 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2964 struct abort_entry_24xx *pkt) 2965 { 2966 const char func[] = "ABT_IOCB"; 2967 srb_t *sp; 2968 struct srb_iocb *abt; 2969 2970 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2971 if (!sp) 2972 return; 2973 2974 abt = &sp->u.iocb_cmd; 2975 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle); 2976 sp->done(sp, 0); 2977 } 2978 2979 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, 2980 struct pt_ls4_request *pkt, struct req_que *req) 2981 { 2982 srb_t *sp; 2983 const char func[] = "LS4_IOCB"; 2984 uint16_t comp_status; 2985 2986 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2987 if (!sp) 2988 return; 2989 2990 comp_status = le16_to_cpu(pkt->status); 2991 sp->done(sp, comp_status); 2992 } 2993 2994 /** 2995 * qla24xx_process_response_queue() - Process response queue entries. 2996 * @vha: SCSI driver HA context 2997 * @rsp: response queue 2998 */ 2999 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 3000 struct rsp_que *rsp) 3001 { 3002 struct sts_entry_24xx *pkt; 3003 struct qla_hw_data *ha = vha->hw; 3004 3005 if (!ha->flags.fw_started) 3006 return; 3007 3008 if (rsp->qpair->cpuid != smp_processor_id()) 3009 qla_cpu_update(rsp->qpair, smp_processor_id()); 3010 3011 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 3012 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 3013 3014 rsp->ring_index++; 3015 if (rsp->ring_index == rsp->length) { 3016 rsp->ring_index = 0; 3017 rsp->ring_ptr = rsp->ring; 3018 } else { 3019 rsp->ring_ptr++; 3020 } 3021 3022 if (pkt->entry_status != 0) { 3023 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) 3024 goto process_err; 3025 3026 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3027 wmb(); 3028 continue; 3029 } 3030 process_err: 3031 3032 switch (pkt->entry_type) { 3033 case STATUS_TYPE: 3034 qla2x00_status_entry(vha, rsp, pkt); 3035 break; 3036 case STATUS_CONT_TYPE: 3037 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 3038 break; 3039 case VP_RPT_ID_IOCB_TYPE: 3040 qla24xx_report_id_acquisition(vha, 3041 (struct vp_rpt_id_entry_24xx *)pkt); 3042 break; 3043 case LOGINOUT_PORT_IOCB_TYPE: 3044 qla24xx_logio_entry(vha, rsp->req, 3045 (struct logio_entry_24xx *)pkt); 3046 break; 3047 case CT_IOCB_TYPE: 3048 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 3049 break; 3050 case ELS_IOCB_TYPE: 3051 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 3052 break; 3053 case ABTS_RECV_24XX: 3054 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || 3055 IS_QLA28XX(ha)) { 3056 /* ensure that the ATIO queue is empty */ 3057 qlt_handle_abts_recv(vha, rsp, 3058 (response_t *)pkt); 3059 break; 3060 } else { 3061 qlt_24xx_process_atio_queue(vha, 1); 3062 } 3063 /* fall through */ 3064 case ABTS_RESP_24XX: 3065 case CTIO_TYPE7: 3066 case CTIO_CRC2: 3067 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); 3068 break; 3069 case PT_LS4_REQUEST: 3070 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, 3071 rsp->req); 3072 break; 3073 case NOTIFY_ACK_TYPE: 3074 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 3075 qlt_response_pkt_all_vps(vha, rsp, 3076 (response_t *)pkt); 3077 else 3078 qla24xxx_nack_iocb_entry(vha, rsp->req, 3079 (struct nack_to_isp *)pkt); 3080 break; 3081 case MARKER_TYPE: 3082 /* Do nothing in this case, this check is to prevent it 3083 * from falling into default case 3084 */ 3085 break; 3086 case ABORT_IOCB_TYPE: 3087 qla24xx_abort_iocb_entry(vha, rsp->req, 3088 (struct abort_entry_24xx *)pkt); 3089 break; 3090 case MBX_IOCB_TYPE: 3091 qla24xx_mbx_iocb_entry(vha, rsp->req, 3092 (struct mbx_24xx_entry *)pkt); 3093 break; 3094 case VP_CTRL_IOCB_TYPE: 3095 qla_ctrlvp_completed(vha, rsp->req, 3096 (struct vp_ctrl_entry_24xx *)pkt); 3097 break; 3098 default: 3099 /* Type Not Supported. */ 3100 ql_dbg(ql_dbg_async, vha, 0x5042, 3101 "Received unknown response pkt type %x " 3102 "entry status=%x.\n", 3103 pkt->entry_type, pkt->entry_status); 3104 break; 3105 } 3106 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3107 wmb(); 3108 } 3109 3110 /* Adjust ring index */ 3111 if (IS_P3P_TYPE(ha)) { 3112 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 3113 3114 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 3115 } else { 3116 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 3117 } 3118 } 3119 3120 static void 3121 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 3122 { 3123 int rval; 3124 uint32_t cnt; 3125 struct qla_hw_data *ha = vha->hw; 3126 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3127 3128 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 3129 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3130 return; 3131 3132 rval = QLA_SUCCESS; 3133 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 3134 RD_REG_DWORD(®->iobase_addr); 3135 WRT_REG_DWORD(®->iobase_window, 0x0001); 3136 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3137 rval == QLA_SUCCESS; cnt--) { 3138 if (cnt) { 3139 WRT_REG_DWORD(®->iobase_window, 0x0001); 3140 udelay(10); 3141 } else 3142 rval = QLA_FUNCTION_TIMEOUT; 3143 } 3144 if (rval == QLA_SUCCESS) 3145 goto next_test; 3146 3147 rval = QLA_SUCCESS; 3148 WRT_REG_DWORD(®->iobase_window, 0x0003); 3149 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3150 rval == QLA_SUCCESS; cnt--) { 3151 if (cnt) { 3152 WRT_REG_DWORD(®->iobase_window, 0x0003); 3153 udelay(10); 3154 } else 3155 rval = QLA_FUNCTION_TIMEOUT; 3156 } 3157 if (rval != QLA_SUCCESS) 3158 goto done; 3159 3160 next_test: 3161 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 3162 ql_log(ql_log_info, vha, 0x504c, 3163 "Additional code -- 0x55AA.\n"); 3164 3165 done: 3166 WRT_REG_DWORD(®->iobase_window, 0x0000); 3167 RD_REG_DWORD(®->iobase_window); 3168 } 3169 3170 /** 3171 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 3172 * @irq: interrupt number 3173 * @dev_id: SCSI driver HA context 3174 * 3175 * Called by system whenever the host adapter generates an interrupt. 3176 * 3177 * Returns handled flag. 3178 */ 3179 irqreturn_t 3180 qla24xx_intr_handler(int irq, void *dev_id) 3181 { 3182 scsi_qla_host_t *vha; 3183 struct qla_hw_data *ha; 3184 struct device_reg_24xx __iomem *reg; 3185 int status; 3186 unsigned long iter; 3187 uint32_t stat; 3188 uint32_t hccr; 3189 uint16_t mb[8]; 3190 struct rsp_que *rsp; 3191 unsigned long flags; 3192 bool process_atio = false; 3193 3194 rsp = (struct rsp_que *) dev_id; 3195 if (!rsp) { 3196 ql_log(ql_log_info, NULL, 0x5059, 3197 "%s: NULL response queue pointer.\n", __func__); 3198 return IRQ_NONE; 3199 } 3200 3201 ha = rsp->hw; 3202 reg = &ha->iobase->isp24; 3203 status = 0; 3204 3205 if (unlikely(pci_channel_offline(ha->pdev))) 3206 return IRQ_HANDLED; 3207 3208 spin_lock_irqsave(&ha->hardware_lock, flags); 3209 vha = pci_get_drvdata(ha->pdev); 3210 for (iter = 50; iter--; ) { 3211 stat = RD_REG_DWORD(®->host_status); 3212 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3213 break; 3214 if (stat & HSRX_RISC_PAUSED) { 3215 if (unlikely(pci_channel_offline(ha->pdev))) 3216 break; 3217 3218 hccr = RD_REG_DWORD(®->hccr); 3219 3220 ql_log(ql_log_warn, vha, 0x504b, 3221 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3222 hccr); 3223 3224 qla2xxx_check_risc_status(vha); 3225 3226 ha->isp_ops->fw_dump(vha, 1); 3227 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3228 break; 3229 } else if ((stat & HSRX_RISC_INT) == 0) 3230 break; 3231 3232 switch (stat & 0xff) { 3233 case INTR_ROM_MB_SUCCESS: 3234 case INTR_ROM_MB_FAILED: 3235 case INTR_MB_SUCCESS: 3236 case INTR_MB_FAILED: 3237 qla24xx_mbx_completion(vha, MSW(stat)); 3238 status |= MBX_INTERRUPT; 3239 3240 break; 3241 case INTR_ASYNC_EVENT: 3242 mb[0] = MSW(stat); 3243 mb[1] = RD_REG_WORD(®->mailbox1); 3244 mb[2] = RD_REG_WORD(®->mailbox2); 3245 mb[3] = RD_REG_WORD(®->mailbox3); 3246 qla2x00_async_event(vha, rsp, mb); 3247 break; 3248 case INTR_RSP_QUE_UPDATE: 3249 case INTR_RSP_QUE_UPDATE_83XX: 3250 qla24xx_process_response_queue(vha, rsp); 3251 break; 3252 case INTR_ATIO_QUE_UPDATE_27XX: 3253 case INTR_ATIO_QUE_UPDATE: 3254 process_atio = true; 3255 break; 3256 case INTR_ATIO_RSP_QUE_UPDATE: 3257 process_atio = true; 3258 qla24xx_process_response_queue(vha, rsp); 3259 break; 3260 default: 3261 ql_dbg(ql_dbg_async, vha, 0x504f, 3262 "Unrecognized interrupt type (%d).\n", stat * 0xff); 3263 break; 3264 } 3265 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3266 RD_REG_DWORD_RELAXED(®->hccr); 3267 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 3268 ndelay(3500); 3269 } 3270 qla2x00_handle_mbx_completion(ha, status); 3271 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3272 3273 if (process_atio) { 3274 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 3275 qlt_24xx_process_atio_queue(vha, 0); 3276 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 3277 } 3278 3279 return IRQ_HANDLED; 3280 } 3281 3282 static irqreturn_t 3283 qla24xx_msix_rsp_q(int irq, void *dev_id) 3284 { 3285 struct qla_hw_data *ha; 3286 struct rsp_que *rsp; 3287 struct device_reg_24xx __iomem *reg; 3288 struct scsi_qla_host *vha; 3289 unsigned long flags; 3290 3291 rsp = (struct rsp_que *) dev_id; 3292 if (!rsp) { 3293 ql_log(ql_log_info, NULL, 0x505a, 3294 "%s: NULL response queue pointer.\n", __func__); 3295 return IRQ_NONE; 3296 } 3297 ha = rsp->hw; 3298 reg = &ha->iobase->isp24; 3299 3300 spin_lock_irqsave(&ha->hardware_lock, flags); 3301 3302 vha = pci_get_drvdata(ha->pdev); 3303 qla24xx_process_response_queue(vha, rsp); 3304 if (!ha->flags.disable_msix_handshake) { 3305 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3306 RD_REG_DWORD_RELAXED(®->hccr); 3307 } 3308 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3309 3310 return IRQ_HANDLED; 3311 } 3312 3313 static irqreturn_t 3314 qla24xx_msix_default(int irq, void *dev_id) 3315 { 3316 scsi_qla_host_t *vha; 3317 struct qla_hw_data *ha; 3318 struct rsp_que *rsp; 3319 struct device_reg_24xx __iomem *reg; 3320 int status; 3321 uint32_t stat; 3322 uint32_t hccr; 3323 uint16_t mb[8]; 3324 unsigned long flags; 3325 bool process_atio = false; 3326 3327 rsp = (struct rsp_que *) dev_id; 3328 if (!rsp) { 3329 ql_log(ql_log_info, NULL, 0x505c, 3330 "%s: NULL response queue pointer.\n", __func__); 3331 return IRQ_NONE; 3332 } 3333 ha = rsp->hw; 3334 reg = &ha->iobase->isp24; 3335 status = 0; 3336 3337 spin_lock_irqsave(&ha->hardware_lock, flags); 3338 vha = pci_get_drvdata(ha->pdev); 3339 do { 3340 stat = RD_REG_DWORD(®->host_status); 3341 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3342 break; 3343 if (stat & HSRX_RISC_PAUSED) { 3344 if (unlikely(pci_channel_offline(ha->pdev))) 3345 break; 3346 3347 hccr = RD_REG_DWORD(®->hccr); 3348 3349 ql_log(ql_log_info, vha, 0x5050, 3350 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3351 hccr); 3352 3353 qla2xxx_check_risc_status(vha); 3354 3355 ha->isp_ops->fw_dump(vha, 1); 3356 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3357 break; 3358 } else if ((stat & HSRX_RISC_INT) == 0) 3359 break; 3360 3361 switch (stat & 0xff) { 3362 case INTR_ROM_MB_SUCCESS: 3363 case INTR_ROM_MB_FAILED: 3364 case INTR_MB_SUCCESS: 3365 case INTR_MB_FAILED: 3366 qla24xx_mbx_completion(vha, MSW(stat)); 3367 status |= MBX_INTERRUPT; 3368 3369 break; 3370 case INTR_ASYNC_EVENT: 3371 mb[0] = MSW(stat); 3372 mb[1] = RD_REG_WORD(®->mailbox1); 3373 mb[2] = RD_REG_WORD(®->mailbox2); 3374 mb[3] = RD_REG_WORD(®->mailbox3); 3375 qla2x00_async_event(vha, rsp, mb); 3376 break; 3377 case INTR_RSP_QUE_UPDATE: 3378 case INTR_RSP_QUE_UPDATE_83XX: 3379 qla24xx_process_response_queue(vha, rsp); 3380 break; 3381 case INTR_ATIO_QUE_UPDATE_27XX: 3382 case INTR_ATIO_QUE_UPDATE: 3383 process_atio = true; 3384 break; 3385 case INTR_ATIO_RSP_QUE_UPDATE: 3386 process_atio = true; 3387 qla24xx_process_response_queue(vha, rsp); 3388 break; 3389 default: 3390 ql_dbg(ql_dbg_async, vha, 0x5051, 3391 "Unrecognized interrupt type (%d).\n", stat & 0xff); 3392 break; 3393 } 3394 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3395 } while (0); 3396 qla2x00_handle_mbx_completion(ha, status); 3397 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3398 3399 if (process_atio) { 3400 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 3401 qlt_24xx_process_atio_queue(vha, 0); 3402 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 3403 } 3404 3405 return IRQ_HANDLED; 3406 } 3407 3408 irqreturn_t 3409 qla2xxx_msix_rsp_q(int irq, void *dev_id) 3410 { 3411 struct qla_hw_data *ha; 3412 struct qla_qpair *qpair; 3413 struct device_reg_24xx __iomem *reg; 3414 unsigned long flags; 3415 3416 qpair = dev_id; 3417 if (!qpair) { 3418 ql_log(ql_log_info, NULL, 0x505b, 3419 "%s: NULL response queue pointer.\n", __func__); 3420 return IRQ_NONE; 3421 } 3422 ha = qpair->hw; 3423 3424 /* Clear the interrupt, if enabled, for this response queue */ 3425 if (unlikely(!ha->flags.disable_msix_handshake)) { 3426 reg = &ha->iobase->isp24; 3427 spin_lock_irqsave(&ha->hardware_lock, flags); 3428 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3429 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3430 } 3431 3432 queue_work(ha->wq, &qpair->q_work); 3433 3434 return IRQ_HANDLED; 3435 } 3436 3437 /* Interrupt handling helpers. */ 3438 3439 struct qla_init_msix_entry { 3440 const char *name; 3441 irq_handler_t handler; 3442 }; 3443 3444 static const struct qla_init_msix_entry msix_entries[] = { 3445 { "default", qla24xx_msix_default }, 3446 { "rsp_q", qla24xx_msix_rsp_q }, 3447 { "atio_q", qla83xx_msix_atio_q }, 3448 { "qpair_multiq", qla2xxx_msix_rsp_q }, 3449 }; 3450 3451 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 3452 { "qla2xxx (default)", qla82xx_msix_default }, 3453 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 3454 }; 3455 3456 static int 3457 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 3458 { 3459 int i, ret; 3460 struct qla_msix_entry *qentry; 3461 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3462 int min_vecs = QLA_BASE_VECTORS; 3463 struct irq_affinity desc = { 3464 .pre_vectors = QLA_BASE_VECTORS, 3465 }; 3466 3467 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3468 IS_ATIO_MSIX_CAPABLE(ha)) { 3469 desc.pre_vectors++; 3470 min_vecs++; 3471 } 3472 3473 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) { 3474 /* user wants to control IRQ setting for target mode */ 3475 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, 3476 ha->msix_count, PCI_IRQ_MSIX); 3477 } else 3478 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 3479 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 3480 &desc); 3481 3482 if (ret < 0) { 3483 ql_log(ql_log_fatal, vha, 0x00c7, 3484 "MSI-X: Failed to enable support, " 3485 "giving up -- %d/%d.\n", 3486 ha->msix_count, ret); 3487 goto msix_out; 3488 } else if (ret < ha->msix_count) { 3489 ql_log(ql_log_info, vha, 0x00c6, 3490 "MSI-X: Using %d vectors\n", ret); 3491 ha->msix_count = ret; 3492 /* Recalculate queue values */ 3493 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { 3494 ha->max_req_queues = ha->msix_count - 1; 3495 3496 /* ATIOQ needs 1 vector. That's 1 less QPair */ 3497 if (QLA_TGT_MODE_ENABLED()) 3498 ha->max_req_queues--; 3499 3500 ha->max_rsp_queues = ha->max_req_queues; 3501 3502 ha->max_qpairs = ha->max_req_queues - 1; 3503 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 3504 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 3505 } 3506 } 3507 vha->irq_offset = desc.pre_vectors; 3508 ha->msix_entries = kcalloc(ha->msix_count, 3509 sizeof(struct qla_msix_entry), 3510 GFP_KERNEL); 3511 if (!ha->msix_entries) { 3512 ql_log(ql_log_fatal, vha, 0x00c8, 3513 "Failed to allocate memory for ha->msix_entries.\n"); 3514 ret = -ENOMEM; 3515 goto free_irqs; 3516 } 3517 ha->flags.msix_enabled = 1; 3518 3519 for (i = 0; i < ha->msix_count; i++) { 3520 qentry = &ha->msix_entries[i]; 3521 qentry->vector = pci_irq_vector(ha->pdev, i); 3522 qentry->entry = i; 3523 qentry->have_irq = 0; 3524 qentry->in_use = 0; 3525 qentry->handle = NULL; 3526 } 3527 3528 /* Enable MSI-X vectors for the base queue */ 3529 for (i = 0; i < QLA_BASE_VECTORS; i++) { 3530 qentry = &ha->msix_entries[i]; 3531 qentry->handle = rsp; 3532 rsp->msix = qentry; 3533 scnprintf(qentry->name, sizeof(qentry->name), 3534 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); 3535 if (IS_P3P_TYPE(ha)) 3536 ret = request_irq(qentry->vector, 3537 qla82xx_msix_entries[i].handler, 3538 0, qla82xx_msix_entries[i].name, rsp); 3539 else 3540 ret = request_irq(qentry->vector, 3541 msix_entries[i].handler, 3542 0, qentry->name, rsp); 3543 if (ret) 3544 goto msix_register_fail; 3545 qentry->have_irq = 1; 3546 qentry->in_use = 1; 3547 } 3548 3549 /* 3550 * If target mode is enable, also request the vector for the ATIO 3551 * queue. 3552 */ 3553 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3554 IS_ATIO_MSIX_CAPABLE(ha)) { 3555 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 3556 rsp->msix = qentry; 3557 qentry->handle = rsp; 3558 scnprintf(qentry->name, sizeof(qentry->name), 3559 "qla2xxx%lu_%s", vha->host_no, 3560 msix_entries[QLA_ATIO_VECTOR].name); 3561 qentry->in_use = 1; 3562 ret = request_irq(qentry->vector, 3563 msix_entries[QLA_ATIO_VECTOR].handler, 3564 0, qentry->name, rsp); 3565 qentry->have_irq = 1; 3566 } 3567 3568 msix_register_fail: 3569 if (ret) { 3570 ql_log(ql_log_fatal, vha, 0x00cb, 3571 "MSI-X: unable to register handler -- %x/%d.\n", 3572 qentry->vector, ret); 3573 qla2x00_free_irqs(vha); 3574 ha->mqenable = 0; 3575 goto msix_out; 3576 } 3577 3578 /* Enable MSI-X vector for response queue update for queue 0 */ 3579 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 3580 if (ha->msixbase && ha->mqiobase && 3581 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3582 ql2xmqsupport)) 3583 ha->mqenable = 1; 3584 } else 3585 if (ha->mqiobase && 3586 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3587 ql2xmqsupport)) 3588 ha->mqenable = 1; 3589 ql_dbg(ql_dbg_multiq, vha, 0xc005, 3590 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3591 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3592 ql_dbg(ql_dbg_init, vha, 0x0055, 3593 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3594 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3595 3596 msix_out: 3597 return ret; 3598 3599 free_irqs: 3600 pci_free_irq_vectors(ha->pdev); 3601 goto msix_out; 3602 } 3603 3604 int 3605 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 3606 { 3607 int ret = QLA_FUNCTION_FAILED; 3608 device_reg_t *reg = ha->iobase; 3609 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3610 3611 /* If possible, enable MSI-X. */ 3612 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && 3613 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && 3614 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))) 3615 goto skip_msi; 3616 3617 if (ql2xenablemsix == 2) 3618 goto skip_msix; 3619 3620 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 3621 (ha->pdev->subsystem_device == 0x7040 || 3622 ha->pdev->subsystem_device == 0x7041 || 3623 ha->pdev->subsystem_device == 0x1705)) { 3624 ql_log(ql_log_warn, vha, 0x0034, 3625 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 3626 ha->pdev->subsystem_vendor, 3627 ha->pdev->subsystem_device); 3628 goto skip_msi; 3629 } 3630 3631 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 3632 ql_log(ql_log_warn, vha, 0x0035, 3633 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 3634 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 3635 goto skip_msix; 3636 } 3637 3638 ret = qla24xx_enable_msix(ha, rsp); 3639 if (!ret) { 3640 ql_dbg(ql_dbg_init, vha, 0x0036, 3641 "MSI-X: Enabled (0x%X, 0x%X).\n", 3642 ha->chip_revision, ha->fw_attributes); 3643 goto clear_risc_ints; 3644 } 3645 3646 skip_msix: 3647 3648 ql_log(ql_log_info, vha, 0x0037, 3649 "Falling back-to MSI mode -- ret=%d.\n", ret); 3650 3651 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3652 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 3653 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3654 goto skip_msi; 3655 3656 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 3657 if (ret > 0) { 3658 ql_dbg(ql_dbg_init, vha, 0x0038, 3659 "MSI: Enabled.\n"); 3660 ha->flags.msi_enabled = 1; 3661 } else 3662 ql_log(ql_log_warn, vha, 0x0039, 3663 "Falling back-to INTa mode -- ret=%d.\n", ret); 3664 skip_msi: 3665 3666 /* Skip INTx on ISP82xx. */ 3667 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 3668 return QLA_FUNCTION_FAILED; 3669 3670 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 3671 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 3672 QLA2XXX_DRIVER_NAME, rsp); 3673 if (ret) { 3674 ql_log(ql_log_warn, vha, 0x003a, 3675 "Failed to reserve interrupt %d already in use.\n", 3676 ha->pdev->irq); 3677 goto fail; 3678 } else if (!ha->flags.msi_enabled) { 3679 ql_dbg(ql_dbg_init, vha, 0x0125, 3680 "INTa mode: Enabled.\n"); 3681 ha->flags.mr_intr_valid = 1; 3682 } 3683 3684 clear_risc_ints: 3685 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 3686 goto fail; 3687 3688 spin_lock_irq(&ha->hardware_lock); 3689 WRT_REG_WORD(®->isp.semaphore, 0); 3690 spin_unlock_irq(&ha->hardware_lock); 3691 3692 fail: 3693 return ret; 3694 } 3695 3696 void 3697 qla2x00_free_irqs(scsi_qla_host_t *vha) 3698 { 3699 struct qla_hw_data *ha = vha->hw; 3700 struct rsp_que *rsp; 3701 struct qla_msix_entry *qentry; 3702 int i; 3703 3704 /* 3705 * We need to check that ha->rsp_q_map is valid in case we are called 3706 * from a probe failure context. 3707 */ 3708 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 3709 goto free_irqs; 3710 rsp = ha->rsp_q_map[0]; 3711 3712 if (ha->flags.msix_enabled) { 3713 for (i = 0; i < ha->msix_count; i++) { 3714 qentry = &ha->msix_entries[i]; 3715 if (qentry->have_irq) { 3716 irq_set_affinity_notifier(qentry->vector, NULL); 3717 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 3718 } 3719 } 3720 kfree(ha->msix_entries); 3721 ha->msix_entries = NULL; 3722 ha->flags.msix_enabled = 0; 3723 ql_dbg(ql_dbg_init, vha, 0x0042, 3724 "Disabled MSI-X.\n"); 3725 } else { 3726 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 3727 } 3728 3729 free_irqs: 3730 pci_free_irq_vectors(ha->pdev); 3731 } 3732 3733 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 3734 struct qla_msix_entry *msix, int vector_type) 3735 { 3736 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 3737 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3738 int ret; 3739 3740 scnprintf(msix->name, sizeof(msix->name), 3741 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 3742 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 3743 if (ret) { 3744 ql_log(ql_log_fatal, vha, 0x00e6, 3745 "MSI-X: Unable to register handler -- %x/%d.\n", 3746 msix->vector, ret); 3747 return ret; 3748 } 3749 msix->have_irq = 1; 3750 msix->handle = qpair; 3751 return ret; 3752 } 3753