1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2014 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 #include "qla_target.h" 9 10 #include <linux/delay.h> 11 #include <linux/slab.h> 12 #include <linux/cpu.h> 13 #include <linux/t10-pi.h> 14 #include <scsi/scsi_tcq.h> 15 #include <scsi/scsi_bsg_fc.h> 16 #include <scsi/scsi_eh.h> 17 #include <scsi/fc/fc_fs.h> 18 #include <linux/nvme-fc-driver.h> 19 20 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); 21 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); 22 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); 23 static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, 24 sts_entry_t *); 25 26 const char *const port_state_str[] = { 27 "Unknown", 28 "UNCONFIGURED", 29 "DEAD", 30 "LOST", 31 "ONLINE" 32 }; 33 34 /** 35 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. 36 * @irq: interrupt number 37 * @dev_id: SCSI driver HA context 38 * 39 * Called by system whenever the host adapter generates an interrupt. 40 * 41 * Returns handled flag. 42 */ 43 irqreturn_t 44 qla2100_intr_handler(int irq, void *dev_id) 45 { 46 scsi_qla_host_t *vha; 47 struct qla_hw_data *ha; 48 struct device_reg_2xxx __iomem *reg; 49 int status; 50 unsigned long iter; 51 uint16_t hccr; 52 uint16_t mb[8]; 53 struct rsp_que *rsp; 54 unsigned long flags; 55 56 rsp = (struct rsp_que *) dev_id; 57 if (!rsp) { 58 ql_log(ql_log_info, NULL, 0x505d, 59 "%s: NULL response queue pointer.\n", __func__); 60 return (IRQ_NONE); 61 } 62 63 ha = rsp->hw; 64 reg = &ha->iobase->isp; 65 status = 0; 66 67 spin_lock_irqsave(&ha->hardware_lock, flags); 68 vha = pci_get_drvdata(ha->pdev); 69 for (iter = 50; iter--; ) { 70 hccr = RD_REG_WORD(®->hccr); 71 if (qla2x00_check_reg16_for_disconnect(vha, hccr)) 72 break; 73 if (hccr & HCCR_RISC_PAUSE) { 74 if (pci_channel_offline(ha->pdev)) 75 break; 76 77 /* 78 * Issue a "HARD" reset in order for the RISC interrupt 79 * bit to be cleared. Schedule a big hammer to get 80 * out of the RISC PAUSED state. 81 */ 82 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 83 RD_REG_WORD(®->hccr); 84 85 ha->isp_ops->fw_dump(vha, 1); 86 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 87 break; 88 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) 89 break; 90 91 if (RD_REG_WORD(®->semaphore) & BIT_0) { 92 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 93 RD_REG_WORD(®->hccr); 94 95 /* Get mailbox data. */ 96 mb[0] = RD_MAILBOX_REG(ha, reg, 0); 97 if (mb[0] > 0x3fff && mb[0] < 0x8000) { 98 qla2x00_mbx_completion(vha, mb[0]); 99 status |= MBX_INTERRUPT; 100 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { 101 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 102 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 103 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 104 qla2x00_async_event(vha, rsp, mb); 105 } else { 106 /*EMPTY*/ 107 ql_dbg(ql_dbg_async, vha, 0x5025, 108 "Unrecognized interrupt type (%d).\n", 109 mb[0]); 110 } 111 /* Release mailbox registers. */ 112 WRT_REG_WORD(®->semaphore, 0); 113 RD_REG_WORD(®->semaphore); 114 } else { 115 qla2x00_process_response_queue(rsp); 116 117 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 118 RD_REG_WORD(®->hccr); 119 } 120 } 121 qla2x00_handle_mbx_completion(ha, status); 122 spin_unlock_irqrestore(&ha->hardware_lock, flags); 123 124 return (IRQ_HANDLED); 125 } 126 127 bool 128 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) 129 { 130 /* Check for PCI disconnection */ 131 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) { 132 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) && 133 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) && 134 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) { 135 /* 136 * Schedule this (only once) on the default system 137 * workqueue so that all the adapter workqueues and the 138 * DPC thread can be shutdown cleanly. 139 */ 140 schedule_work(&vha->hw->board_disable); 141 } 142 return true; 143 } else 144 return false; 145 } 146 147 bool 148 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) 149 { 150 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg); 151 } 152 153 /** 154 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 155 * @irq: interrupt number 156 * @dev_id: SCSI driver HA context 157 * 158 * Called by system whenever the host adapter generates an interrupt. 159 * 160 * Returns handled flag. 161 */ 162 irqreturn_t 163 qla2300_intr_handler(int irq, void *dev_id) 164 { 165 scsi_qla_host_t *vha; 166 struct device_reg_2xxx __iomem *reg; 167 int status; 168 unsigned long iter; 169 uint32_t stat; 170 uint16_t hccr; 171 uint16_t mb[8]; 172 struct rsp_que *rsp; 173 struct qla_hw_data *ha; 174 unsigned long flags; 175 176 rsp = (struct rsp_que *) dev_id; 177 if (!rsp) { 178 ql_log(ql_log_info, NULL, 0x5058, 179 "%s: NULL response queue pointer.\n", __func__); 180 return (IRQ_NONE); 181 } 182 183 ha = rsp->hw; 184 reg = &ha->iobase->isp; 185 status = 0; 186 187 spin_lock_irqsave(&ha->hardware_lock, flags); 188 vha = pci_get_drvdata(ha->pdev); 189 for (iter = 50; iter--; ) { 190 stat = RD_REG_DWORD(®->u.isp2300.host_status); 191 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 192 break; 193 if (stat & HSR_RISC_PAUSED) { 194 if (unlikely(pci_channel_offline(ha->pdev))) 195 break; 196 197 hccr = RD_REG_WORD(®->hccr); 198 199 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) 200 ql_log(ql_log_warn, vha, 0x5026, 201 "Parity error -- HCCR=%x, Dumping " 202 "firmware.\n", hccr); 203 else 204 ql_log(ql_log_warn, vha, 0x5027, 205 "RISC paused -- HCCR=%x, Dumping " 206 "firmware.\n", hccr); 207 208 /* 209 * Issue a "HARD" reset in order for the RISC 210 * interrupt bit to be cleared. Schedule a big 211 * hammer to get out of the RISC PAUSED state. 212 */ 213 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 214 RD_REG_WORD(®->hccr); 215 216 ha->isp_ops->fw_dump(vha, 1); 217 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 218 break; 219 } else if ((stat & HSR_RISC_INT) == 0) 220 break; 221 222 switch (stat & 0xff) { 223 case 0x1: 224 case 0x2: 225 case 0x10: 226 case 0x11: 227 qla2x00_mbx_completion(vha, MSW(stat)); 228 status |= MBX_INTERRUPT; 229 230 /* Release mailbox registers. */ 231 WRT_REG_WORD(®->semaphore, 0); 232 break; 233 case 0x12: 234 mb[0] = MSW(stat); 235 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 236 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 237 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 238 qla2x00_async_event(vha, rsp, mb); 239 break; 240 case 0x13: 241 qla2x00_process_response_queue(rsp); 242 break; 243 case 0x15: 244 mb[0] = MBA_CMPLT_1_16BIT; 245 mb[1] = MSW(stat); 246 qla2x00_async_event(vha, rsp, mb); 247 break; 248 case 0x16: 249 mb[0] = MBA_SCSI_COMPLETION; 250 mb[1] = MSW(stat); 251 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 252 qla2x00_async_event(vha, rsp, mb); 253 break; 254 default: 255 ql_dbg(ql_dbg_async, vha, 0x5028, 256 "Unrecognized interrupt type (%d).\n", stat & 0xff); 257 break; 258 } 259 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 260 RD_REG_WORD_RELAXED(®->hccr); 261 } 262 qla2x00_handle_mbx_completion(ha, status); 263 spin_unlock_irqrestore(&ha->hardware_lock, flags); 264 265 return (IRQ_HANDLED); 266 } 267 268 /** 269 * qla2x00_mbx_completion() - Process mailbox command completions. 270 * @vha: SCSI driver HA context 271 * @mb0: Mailbox0 register 272 */ 273 static void 274 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 275 { 276 uint16_t cnt; 277 uint32_t mboxes; 278 uint16_t __iomem *wptr; 279 struct qla_hw_data *ha = vha->hw; 280 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 281 282 /* Read all mbox registers? */ 283 WARN_ON_ONCE(ha->mbx_count > 32); 284 mboxes = (1ULL << ha->mbx_count) - 1; 285 if (!ha->mcp) 286 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); 287 else 288 mboxes = ha->mcp->in_mb; 289 290 /* Load return mailbox registers. */ 291 ha->flags.mbox_int = 1; 292 ha->mailbox_out[0] = mb0; 293 mboxes >>= 1; 294 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); 295 296 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 297 if (IS_QLA2200(ha) && cnt == 8) 298 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); 299 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) 300 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); 301 else if (mboxes & BIT_0) 302 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 303 304 wptr++; 305 mboxes >>= 1; 306 } 307 } 308 309 static void 310 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) 311 { 312 static char *event[] = 313 { "Complete", "Request Notification", "Time Extension" }; 314 int rval; 315 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; 316 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; 317 uint16_t __iomem *wptr; 318 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; 319 320 /* Seed data -- mailbox1 -> mailbox7. */ 321 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) 322 wptr = (uint16_t __iomem *)®24->mailbox1; 323 else if (IS_QLA8044(vha->hw)) 324 wptr = (uint16_t __iomem *)®82->mailbox_out[1]; 325 else 326 return; 327 328 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) 329 mb[cnt] = RD_REG_WORD(wptr); 330 331 ql_dbg(ql_dbg_async, vha, 0x5021, 332 "Inter-Driver Communication %s -- " 333 "%04x %04x %04x %04x %04x %04x %04x.\n", 334 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], 335 mb[4], mb[5], mb[6]); 336 switch (aen) { 337 /* Handle IDC Error completion case. */ 338 case MBA_IDC_COMPLETE: 339 if (mb[1] >> 15) { 340 vha->hw->flags.idc_compl_status = 1; 341 if (vha->hw->notify_dcbx_comp && !vha->vp_idx) 342 complete(&vha->hw->dcbx_comp); 343 } 344 break; 345 346 case MBA_IDC_NOTIFY: 347 /* Acknowledgement needed? [Notify && non-zero timeout]. */ 348 timeout = (descr >> 8) & 0xf; 349 ql_dbg(ql_dbg_async, vha, 0x5022, 350 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", 351 vha->host_no, event[aen & 0xff], timeout); 352 353 if (!timeout) 354 return; 355 rval = qla2x00_post_idc_ack_work(vha, mb); 356 if (rval != QLA_SUCCESS) 357 ql_log(ql_log_warn, vha, 0x5023, 358 "IDC failed to post ACK.\n"); 359 break; 360 case MBA_IDC_TIME_EXT: 361 vha->hw->idc_extend_tmo = descr; 362 ql_dbg(ql_dbg_async, vha, 0x5087, 363 "%lu Inter-Driver Communication %s -- " 364 "Extend timeout by=%d.\n", 365 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); 366 break; 367 } 368 } 369 370 #define LS_UNKNOWN 2 371 const char * 372 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) 373 { 374 static const char *const link_speeds[] = { 375 "1", "2", "?", "4", "8", "16", "32", "10" 376 }; 377 #define QLA_LAST_SPEED (ARRAY_SIZE(link_speeds) - 1) 378 379 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 380 return link_speeds[0]; 381 else if (speed == 0x13) 382 return link_speeds[QLA_LAST_SPEED]; 383 else if (speed < QLA_LAST_SPEED) 384 return link_speeds[speed]; 385 else 386 return link_speeds[LS_UNKNOWN]; 387 } 388 389 static void 390 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 391 { 392 struct qla_hw_data *ha = vha->hw; 393 394 /* 395 * 8200 AEN Interpretation: 396 * mb[0] = AEN code 397 * mb[1] = AEN Reason code 398 * mb[2] = LSW of Peg-Halt Status-1 Register 399 * mb[6] = MSW of Peg-Halt Status-1 Register 400 * mb[3] = LSW of Peg-Halt Status-2 register 401 * mb[7] = MSW of Peg-Halt Status-2 register 402 * mb[4] = IDC Device-State Register value 403 * mb[5] = IDC Driver-Presence Register value 404 */ 405 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " 406 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", 407 mb[0], mb[1], mb[2], mb[6]); 408 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " 409 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " 410 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); 411 412 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | 413 IDC_HEARTBEAT_FAILURE)) { 414 ha->flags.nic_core_hung = 1; 415 ql_log(ql_log_warn, vha, 0x5060, 416 "83XX: F/W Error Reported: Check if reset required.\n"); 417 418 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { 419 uint32_t protocol_engine_id, fw_err_code, err_level; 420 421 /* 422 * IDC_PEG_HALT_STATUS_CHANGE interpretation: 423 * - PEG-Halt Status-1 Register: 424 * (LSW = mb[2], MSW = mb[6]) 425 * Bits 0-7 = protocol-engine ID 426 * Bits 8-28 = f/w error code 427 * Bits 29-31 = Error-level 428 * Error-level 0x1 = Non-Fatal error 429 * Error-level 0x2 = Recoverable Fatal error 430 * Error-level 0x4 = UnRecoverable Fatal error 431 * - PEG-Halt Status-2 Register: 432 * (LSW = mb[3], MSW = mb[7]) 433 */ 434 protocol_engine_id = (mb[2] & 0xff); 435 fw_err_code = (((mb[2] & 0xff00) >> 8) | 436 ((mb[6] & 0x1fff) << 8)); 437 err_level = ((mb[6] & 0xe000) >> 13); 438 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " 439 "Register: protocol_engine_id=0x%x " 440 "fw_err_code=0x%x err_level=0x%x.\n", 441 protocol_engine_id, fw_err_code, err_level); 442 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " 443 "Register: 0x%x%x.\n", mb[7], mb[3]); 444 if (err_level == ERR_LEVEL_NON_FATAL) { 445 ql_log(ql_log_warn, vha, 0x5063, 446 "Not a fatal error, f/w has recovered itself.\n"); 447 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { 448 ql_log(ql_log_fatal, vha, 0x5064, 449 "Recoverable Fatal error: Chip reset " 450 "required.\n"); 451 qla83xx_schedule_work(vha, 452 QLA83XX_NIC_CORE_RESET); 453 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { 454 ql_log(ql_log_fatal, vha, 0x5065, 455 "Unrecoverable Fatal error: Set FAILED " 456 "state, reboot required.\n"); 457 qla83xx_schedule_work(vha, 458 QLA83XX_NIC_CORE_UNRECOVERABLE); 459 } 460 } 461 462 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { 463 uint16_t peg_fw_state, nw_interface_link_up; 464 uint16_t nw_interface_signal_detect, sfp_status; 465 uint16_t htbt_counter, htbt_monitor_enable; 466 uint16_t sfp_additional_info, sfp_multirate; 467 uint16_t sfp_tx_fault, link_speed, dcbx_status; 468 469 /* 470 * IDC_NIC_FW_REPORTED_FAILURE interpretation: 471 * - PEG-to-FC Status Register: 472 * (LSW = mb[2], MSW = mb[6]) 473 * Bits 0-7 = Peg-Firmware state 474 * Bit 8 = N/W Interface Link-up 475 * Bit 9 = N/W Interface signal detected 476 * Bits 10-11 = SFP Status 477 * SFP Status 0x0 = SFP+ transceiver not expected 478 * SFP Status 0x1 = SFP+ transceiver not present 479 * SFP Status 0x2 = SFP+ transceiver invalid 480 * SFP Status 0x3 = SFP+ transceiver present and 481 * valid 482 * Bits 12-14 = Heartbeat Counter 483 * Bit 15 = Heartbeat Monitor Enable 484 * Bits 16-17 = SFP Additional Info 485 * SFP info 0x0 = Unregocnized transceiver for 486 * Ethernet 487 * SFP info 0x1 = SFP+ brand validation failed 488 * SFP info 0x2 = SFP+ speed validation failed 489 * SFP info 0x3 = SFP+ access error 490 * Bit 18 = SFP Multirate 491 * Bit 19 = SFP Tx Fault 492 * Bits 20-22 = Link Speed 493 * Bits 23-27 = Reserved 494 * Bits 28-30 = DCBX Status 495 * DCBX Status 0x0 = DCBX Disabled 496 * DCBX Status 0x1 = DCBX Enabled 497 * DCBX Status 0x2 = DCBX Exchange error 498 * Bit 31 = Reserved 499 */ 500 peg_fw_state = (mb[2] & 0x00ff); 501 nw_interface_link_up = ((mb[2] & 0x0100) >> 8); 502 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); 503 sfp_status = ((mb[2] & 0x0c00) >> 10); 504 htbt_counter = ((mb[2] & 0x7000) >> 12); 505 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); 506 sfp_additional_info = (mb[6] & 0x0003); 507 sfp_multirate = ((mb[6] & 0x0004) >> 2); 508 sfp_tx_fault = ((mb[6] & 0x0008) >> 3); 509 link_speed = ((mb[6] & 0x0070) >> 4); 510 dcbx_status = ((mb[6] & 0x7000) >> 12); 511 512 ql_log(ql_log_warn, vha, 0x5066, 513 "Peg-to-Fc Status Register:\n" 514 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " 515 "nw_interface_signal_detect=0x%x" 516 "\nsfp_statis=0x%x.\n ", peg_fw_state, 517 nw_interface_link_up, nw_interface_signal_detect, 518 sfp_status); 519 ql_log(ql_log_warn, vha, 0x5067, 520 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " 521 "sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ", 522 htbt_counter, htbt_monitor_enable, 523 sfp_additional_info, sfp_multirate); 524 ql_log(ql_log_warn, vha, 0x5068, 525 "sfp_tx_fault=0x%x, link_state=0x%x, " 526 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, 527 dcbx_status); 528 529 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 530 } 531 532 if (mb[1] & IDC_HEARTBEAT_FAILURE) { 533 ql_log(ql_log_warn, vha, 0x5069, 534 "Heartbeat Failure encountered, chip reset " 535 "required.\n"); 536 537 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 538 } 539 } 540 541 if (mb[1] & IDC_DEVICE_STATE_CHANGE) { 542 ql_log(ql_log_info, vha, 0x506a, 543 "IDC Device-State changed = 0x%x.\n", mb[4]); 544 if (ha->flags.nic_core_reset_owner) 545 return; 546 qla83xx_schedule_work(vha, MBA_IDC_AEN); 547 } 548 } 549 550 int 551 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) 552 { 553 struct qla_hw_data *ha = vha->hw; 554 scsi_qla_host_t *vp; 555 uint32_t vp_did; 556 unsigned long flags; 557 int ret = 0; 558 559 if (!ha->num_vhosts) 560 return ret; 561 562 spin_lock_irqsave(&ha->vport_slock, flags); 563 list_for_each_entry(vp, &ha->vp_list, list) { 564 vp_did = vp->d_id.b24; 565 if (vp_did == rscn_entry) { 566 ret = 1; 567 break; 568 } 569 } 570 spin_unlock_irqrestore(&ha->vport_slock, flags); 571 572 return ret; 573 } 574 575 fc_port_t * 576 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id) 577 { 578 fc_port_t *f, *tf; 579 580 f = tf = NULL; 581 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) 582 if (f->loop_id == loop_id) 583 return f; 584 return NULL; 585 } 586 587 fc_port_t * 588 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted) 589 { 590 fc_port_t *f, *tf; 591 592 f = tf = NULL; 593 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 594 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) { 595 if (incl_deleted) 596 return f; 597 else if (f->deleted == 0) 598 return f; 599 } 600 } 601 return NULL; 602 } 603 604 fc_port_t * 605 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id, 606 u8 incl_deleted) 607 { 608 fc_port_t *f, *tf; 609 610 f = tf = NULL; 611 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 612 if (f->d_id.b24 == id->b24) { 613 if (incl_deleted) 614 return f; 615 else if (f->deleted == 0) 616 return f; 617 } 618 } 619 return NULL; 620 } 621 622 /** 623 * qla2x00_async_event() - Process aynchronous events. 624 * @vha: SCSI driver HA context 625 * @rsp: response queue 626 * @mb: Mailbox registers (0 - 3) 627 */ 628 void 629 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 630 { 631 uint16_t handle_cnt; 632 uint16_t cnt, mbx; 633 uint32_t handles[5]; 634 struct qla_hw_data *ha = vha->hw; 635 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 636 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 637 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 638 uint32_t rscn_entry, host_pid; 639 unsigned long flags; 640 fc_port_t *fcport = NULL; 641 642 if (!vha->hw->flags.fw_started) 643 return; 644 645 /* Setup to process RIO completion. */ 646 handle_cnt = 0; 647 if (IS_CNA_CAPABLE(ha)) 648 goto skip_rio; 649 switch (mb[0]) { 650 case MBA_SCSI_COMPLETION: 651 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 652 handle_cnt = 1; 653 break; 654 case MBA_CMPLT_1_16BIT: 655 handles[0] = mb[1]; 656 handle_cnt = 1; 657 mb[0] = MBA_SCSI_COMPLETION; 658 break; 659 case MBA_CMPLT_2_16BIT: 660 handles[0] = mb[1]; 661 handles[1] = mb[2]; 662 handle_cnt = 2; 663 mb[0] = MBA_SCSI_COMPLETION; 664 break; 665 case MBA_CMPLT_3_16BIT: 666 handles[0] = mb[1]; 667 handles[1] = mb[2]; 668 handles[2] = mb[3]; 669 handle_cnt = 3; 670 mb[0] = MBA_SCSI_COMPLETION; 671 break; 672 case MBA_CMPLT_4_16BIT: 673 handles[0] = mb[1]; 674 handles[1] = mb[2]; 675 handles[2] = mb[3]; 676 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 677 handle_cnt = 4; 678 mb[0] = MBA_SCSI_COMPLETION; 679 break; 680 case MBA_CMPLT_5_16BIT: 681 handles[0] = mb[1]; 682 handles[1] = mb[2]; 683 handles[2] = mb[3]; 684 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 685 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 686 handle_cnt = 5; 687 mb[0] = MBA_SCSI_COMPLETION; 688 break; 689 case MBA_CMPLT_2_32BIT: 690 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 691 handles[1] = le32_to_cpu( 692 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | 693 RD_MAILBOX_REG(ha, reg, 6)); 694 handle_cnt = 2; 695 mb[0] = MBA_SCSI_COMPLETION; 696 break; 697 default: 698 break; 699 } 700 skip_rio: 701 switch (mb[0]) { 702 case MBA_SCSI_COMPLETION: /* Fast Post */ 703 if (!vha->flags.online) 704 break; 705 706 for (cnt = 0; cnt < handle_cnt; cnt++) 707 qla2x00_process_completed_request(vha, rsp->req, 708 handles[cnt]); 709 break; 710 711 case MBA_RESET: /* Reset */ 712 ql_dbg(ql_dbg_async, vha, 0x5002, 713 "Asynchronous RESET.\n"); 714 715 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 716 break; 717 718 case MBA_SYSTEM_ERR: /* System Error */ 719 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) || 720 IS_QLA28XX(ha)) ? 721 RD_REG_WORD(®24->mailbox7) : 0; 722 ql_log(ql_log_warn, vha, 0x5003, 723 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " 724 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); 725 ha->fw_dump_mpi = 726 (IS_QLA27XX(ha) || IS_QLA28XX(ha)) && 727 RD_REG_WORD(®24->mailbox7) & BIT_8; 728 ha->isp_ops->fw_dump(vha, 1); 729 ha->flags.fw_init_done = 0; 730 QLA_FW_STOPPED(ha); 731 732 if (IS_FWI2_CAPABLE(ha)) { 733 if (mb[1] == 0 && mb[2] == 0) { 734 ql_log(ql_log_fatal, vha, 0x5004, 735 "Unrecoverable Hardware Error: adapter " 736 "marked OFFLINE!\n"); 737 vha->flags.online = 0; 738 vha->device_flags |= DFLG_DEV_FAILED; 739 } else { 740 /* Check to see if MPI timeout occurred */ 741 if ((mbx & MBX_3) && (ha->port_no == 0)) 742 set_bit(MPI_RESET_NEEDED, 743 &vha->dpc_flags); 744 745 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 746 } 747 } else if (mb[1] == 0) { 748 ql_log(ql_log_fatal, vha, 0x5005, 749 "Unrecoverable Hardware Error: adapter marked " 750 "OFFLINE!\n"); 751 vha->flags.online = 0; 752 vha->device_flags |= DFLG_DEV_FAILED; 753 } else 754 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 755 break; 756 757 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 758 ql_log(ql_log_warn, vha, 0x5006, 759 "ISP Request Transfer Error (%x).\n", mb[1]); 760 761 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 762 break; 763 764 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 765 ql_log(ql_log_warn, vha, 0x5007, 766 "ISP Response Transfer Error (%x).\n", mb[1]); 767 768 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 769 break; 770 771 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 772 ql_dbg(ql_dbg_async, vha, 0x5008, 773 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); 774 break; 775 776 case MBA_LOOP_INIT_ERR: 777 ql_log(ql_log_warn, vha, 0x5090, 778 "LOOP INIT ERROR (%x).\n", mb[1]); 779 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 780 break; 781 782 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 783 ha->flags.lip_ae = 1; 784 785 ql_dbg(ql_dbg_async, vha, 0x5009, 786 "LIP occurred (%x).\n", mb[1]); 787 788 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 789 atomic_set(&vha->loop_state, LOOP_DOWN); 790 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 791 qla2x00_mark_all_devices_lost(vha, 1); 792 } 793 794 if (vha->vp_idx) { 795 atomic_set(&vha->vp_state, VP_FAILED); 796 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 797 } 798 799 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 800 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 801 802 vha->flags.management_server_logged_in = 0; 803 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 804 break; 805 806 case MBA_LOOP_UP: /* Loop Up Event */ 807 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 808 ha->link_data_rate = PORT_SPEED_1GB; 809 else 810 ha->link_data_rate = mb[1]; 811 812 ql_log(ql_log_info, vha, 0x500a, 813 "LOOP UP detected (%s Gbps).\n", 814 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 815 816 vha->flags.management_server_logged_in = 0; 817 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 818 819 if (AUTO_DETECT_SFP_SUPPORT(vha)) { 820 set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags); 821 qla2xxx_wake_dpc(vha); 822 } 823 break; 824 825 case MBA_LOOP_DOWN: /* Loop Down Event */ 826 SAVE_TOPO(ha); 827 ha->flags.lip_ae = 0; 828 ha->current_topology = 0; 829 830 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 831 ? RD_REG_WORD(®24->mailbox4) : 0; 832 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) 833 : mbx; 834 ql_log(ql_log_info, vha, 0x500b, 835 "LOOP DOWN detected (%x %x %x %x).\n", 836 mb[1], mb[2], mb[3], mbx); 837 838 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 839 atomic_set(&vha->loop_state, LOOP_DOWN); 840 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 841 /* 842 * In case of loop down, restore WWPN from 843 * NVRAM in case of FA-WWPN capable ISP 844 * Restore for Physical Port only 845 */ 846 if (!vha->vp_idx) { 847 if (ha->flags.fawwpn_enabled && 848 (ha->current_topology == ISP_CFG_F)) { 849 void *wwpn = ha->init_cb->port_name; 850 851 memcpy(vha->port_name, wwpn, WWN_SIZE); 852 fc_host_port_name(vha->host) = 853 wwn_to_u64(vha->port_name); 854 ql_dbg(ql_dbg_init + ql_dbg_verbose, 855 vha, 0x00d8, "LOOP DOWN detected," 856 "restore WWPN %016llx\n", 857 wwn_to_u64(vha->port_name)); 858 } 859 860 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 861 } 862 863 vha->device_flags |= DFLG_NO_CABLE; 864 qla2x00_mark_all_devices_lost(vha, 1); 865 } 866 867 if (vha->vp_idx) { 868 atomic_set(&vha->vp_state, VP_FAILED); 869 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 870 } 871 872 vha->flags.management_server_logged_in = 0; 873 ha->link_data_rate = PORT_SPEED_UNKNOWN; 874 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 875 break; 876 877 case MBA_LIP_RESET: /* LIP reset occurred */ 878 ql_dbg(ql_dbg_async, vha, 0x500c, 879 "LIP reset occurred (%x).\n", mb[1]); 880 881 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 882 atomic_set(&vha->loop_state, LOOP_DOWN); 883 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 884 qla2x00_mark_all_devices_lost(vha, 1); 885 } 886 887 if (vha->vp_idx) { 888 atomic_set(&vha->vp_state, VP_FAILED); 889 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 890 } 891 892 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 893 894 ha->operating_mode = LOOP; 895 vha->flags.management_server_logged_in = 0; 896 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 897 break; 898 899 /* case MBA_DCBX_COMPLETE: */ 900 case MBA_POINT_TO_POINT: /* Point-to-Point */ 901 ha->flags.lip_ae = 0; 902 903 if (IS_QLA2100(ha)) 904 break; 905 906 if (IS_CNA_CAPABLE(ha)) { 907 ql_dbg(ql_dbg_async, vha, 0x500d, 908 "DCBX Completed -- %04x %04x %04x.\n", 909 mb[1], mb[2], mb[3]); 910 if (ha->notify_dcbx_comp && !vha->vp_idx) 911 complete(&ha->dcbx_comp); 912 913 } else 914 ql_dbg(ql_dbg_async, vha, 0x500e, 915 "Asynchronous P2P MODE received.\n"); 916 917 /* 918 * Until there's a transition from loop down to loop up, treat 919 * this as loop down only. 920 */ 921 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 922 atomic_set(&vha->loop_state, LOOP_DOWN); 923 if (!atomic_read(&vha->loop_down_timer)) 924 atomic_set(&vha->loop_down_timer, 925 LOOP_DOWN_TIME); 926 if (!N2N_TOPO(ha)) 927 qla2x00_mark_all_devices_lost(vha, 1); 928 } 929 930 if (vha->vp_idx) { 931 atomic_set(&vha->vp_state, VP_FAILED); 932 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 933 } 934 935 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 936 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 937 938 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 939 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 940 941 vha->flags.management_server_logged_in = 0; 942 break; 943 944 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 945 if (IS_QLA2100(ha)) 946 break; 947 948 ql_dbg(ql_dbg_async, vha, 0x500f, 949 "Configuration change detected: value=%x.\n", mb[1]); 950 951 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 952 atomic_set(&vha->loop_state, LOOP_DOWN); 953 if (!atomic_read(&vha->loop_down_timer)) 954 atomic_set(&vha->loop_down_timer, 955 LOOP_DOWN_TIME); 956 qla2x00_mark_all_devices_lost(vha, 1); 957 } 958 959 if (vha->vp_idx) { 960 atomic_set(&vha->vp_state, VP_FAILED); 961 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 962 } 963 964 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 965 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 966 break; 967 968 case MBA_PORT_UPDATE: /* Port database update */ 969 /* 970 * Handle only global and vn-port update events 971 * 972 * Relevant inputs: 973 * mb[1] = N_Port handle of changed port 974 * OR 0xffff for global event 975 * mb[2] = New login state 976 * 7 = Port logged out 977 * mb[3] = LSB is vp_idx, 0xff = all vps 978 * 979 * Skip processing if: 980 * Event is global, vp_idx is NOT all vps, 981 * vp_idx does not match 982 * Event is not global, vp_idx does not match 983 */ 984 if (IS_QLA2XXX_MIDTYPE(ha) && 985 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 986 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 987 break; 988 989 if (mb[2] == 0x7) { 990 ql_dbg(ql_dbg_async, vha, 0x5010, 991 "Port %s %04x %04x %04x.\n", 992 mb[1] == 0xffff ? "unavailable" : "logout", 993 mb[1], mb[2], mb[3]); 994 995 if (mb[1] == 0xffff) 996 goto global_port_update; 997 998 if (mb[1] == NPH_SNS_LID(ha)) { 999 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1000 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1001 break; 1002 } 1003 1004 /* use handle_cnt for loop id/nport handle */ 1005 if (IS_FWI2_CAPABLE(ha)) 1006 handle_cnt = NPH_SNS; 1007 else 1008 handle_cnt = SIMPLE_NAME_SERVER; 1009 if (mb[1] == handle_cnt) { 1010 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1011 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1012 break; 1013 } 1014 1015 /* Port logout */ 1016 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); 1017 if (!fcport) 1018 break; 1019 if (atomic_read(&fcport->state) != FCS_ONLINE) 1020 break; 1021 ql_dbg(ql_dbg_async, vha, 0x508a, 1022 "Marking port lost loopid=%04x portid=%06x.\n", 1023 fcport->loop_id, fcport->d_id.b24); 1024 if (qla_ini_mode_enabled(vha)) { 1025 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 1026 fcport->logout_on_delete = 0; 1027 qlt_schedule_sess_for_deletion(fcport); 1028 } 1029 break; 1030 1031 global_port_update: 1032 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1033 atomic_set(&vha->loop_state, LOOP_DOWN); 1034 atomic_set(&vha->loop_down_timer, 1035 LOOP_DOWN_TIME); 1036 vha->device_flags |= DFLG_NO_CABLE; 1037 qla2x00_mark_all_devices_lost(vha, 1); 1038 } 1039 1040 if (vha->vp_idx) { 1041 atomic_set(&vha->vp_state, VP_FAILED); 1042 fc_vport_set_state(vha->fc_vport, 1043 FC_VPORT_FAILED); 1044 qla2x00_mark_all_devices_lost(vha, 1); 1045 } 1046 1047 vha->flags.management_server_logged_in = 0; 1048 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1049 break; 1050 } 1051 1052 /* 1053 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 1054 * event etc. earlier indicating loop is down) then process 1055 * it. Otherwise ignore it and Wait for RSCN to come in. 1056 */ 1057 atomic_set(&vha->loop_down_timer, 0); 1058 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 1059 !ha->flags.n2n_ae && 1060 atomic_read(&vha->loop_state) != LOOP_DEAD) { 1061 ql_dbg(ql_dbg_async, vha, 0x5011, 1062 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 1063 mb[1], mb[2], mb[3]); 1064 1065 qlt_async_event(mb[0], vha, mb); 1066 break; 1067 } 1068 1069 ql_dbg(ql_dbg_async, vha, 0x5012, 1070 "Port database changed %04x %04x %04x.\n", 1071 mb[1], mb[2], mb[3]); 1072 1073 /* 1074 * Mark all devices as missing so we will login again. 1075 */ 1076 atomic_set(&vha->loop_state, LOOP_UP); 1077 vha->scan.scan_retry = 0; 1078 1079 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1080 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1081 set_bit(VP_CONFIG_OK, &vha->vp_flags); 1082 1083 qlt_async_event(mb[0], vha, mb); 1084 break; 1085 1086 case MBA_RSCN_UPDATE: /* State Change Registration */ 1087 /* Check if the Vport has issued a SCR */ 1088 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 1089 break; 1090 /* Only handle SCNs for our Vport index. */ 1091 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 1092 break; 1093 1094 ql_dbg(ql_dbg_async, vha, 0x5013, 1095 "RSCN database changed -- %04x %04x %04x.\n", 1096 mb[1], mb[2], mb[3]); 1097 1098 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 1099 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 1100 | vha->d_id.b.al_pa; 1101 if (rscn_entry == host_pid) { 1102 ql_dbg(ql_dbg_async, vha, 0x5014, 1103 "Ignoring RSCN update to local host " 1104 "port ID (%06x).\n", host_pid); 1105 break; 1106 } 1107 1108 /* Ignore reserved bits from RSCN-payload. */ 1109 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 1110 1111 /* Skip RSCNs for virtual ports on the same physical port */ 1112 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 1113 break; 1114 1115 atomic_set(&vha->loop_down_timer, 0); 1116 vha->flags.management_server_logged_in = 0; 1117 { 1118 struct event_arg ea; 1119 1120 memset(&ea, 0, sizeof(ea)); 1121 ea.id.b24 = rscn_entry; 1122 ea.id.b.rsvd_1 = rscn_entry >> 24; 1123 qla2x00_handle_rscn(vha, &ea); 1124 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1125 } 1126 break; 1127 /* case MBA_RIO_RESPONSE: */ 1128 case MBA_ZIO_RESPONSE: 1129 ql_dbg(ql_dbg_async, vha, 0x5015, 1130 "[R|Z]IO update completion.\n"); 1131 1132 if (IS_FWI2_CAPABLE(ha)) 1133 qla24xx_process_response_queue(vha, rsp); 1134 else 1135 qla2x00_process_response_queue(rsp); 1136 break; 1137 1138 case MBA_DISCARD_RND_FRAME: 1139 ql_dbg(ql_dbg_async, vha, 0x5016, 1140 "Discard RND Frame -- %04x %04x %04x.\n", 1141 mb[1], mb[2], mb[3]); 1142 break; 1143 1144 case MBA_TRACE_NOTIFICATION: 1145 ql_dbg(ql_dbg_async, vha, 0x5017, 1146 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1147 break; 1148 1149 case MBA_ISP84XX_ALERT: 1150 ql_dbg(ql_dbg_async, vha, 0x5018, 1151 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1152 mb[1], mb[2], mb[3]); 1153 1154 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1155 switch (mb[1]) { 1156 case A84_PANIC_RECOVERY: 1157 ql_log(ql_log_info, vha, 0x5019, 1158 "Alert 84XX: panic recovery %04x %04x.\n", 1159 mb[2], mb[3]); 1160 break; 1161 case A84_OP_LOGIN_COMPLETE: 1162 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1163 ql_log(ql_log_info, vha, 0x501a, 1164 "Alert 84XX: firmware version %x.\n", 1165 ha->cs84xx->op_fw_version); 1166 break; 1167 case A84_DIAG_LOGIN_COMPLETE: 1168 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1169 ql_log(ql_log_info, vha, 0x501b, 1170 "Alert 84XX: diagnostic firmware version %x.\n", 1171 ha->cs84xx->diag_fw_version); 1172 break; 1173 case A84_GOLD_LOGIN_COMPLETE: 1174 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1175 ha->cs84xx->fw_update = 1; 1176 ql_log(ql_log_info, vha, 0x501c, 1177 "Alert 84XX: gold firmware version %x.\n", 1178 ha->cs84xx->gold_fw_version); 1179 break; 1180 default: 1181 ql_log(ql_log_warn, vha, 0x501d, 1182 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1183 mb[1], mb[2], mb[3]); 1184 } 1185 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1186 break; 1187 case MBA_DCBX_START: 1188 ql_dbg(ql_dbg_async, vha, 0x501e, 1189 "DCBX Started -- %04x %04x %04x.\n", 1190 mb[1], mb[2], mb[3]); 1191 break; 1192 case MBA_DCBX_PARAM_UPDATE: 1193 ql_dbg(ql_dbg_async, vha, 0x501f, 1194 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1195 mb[1], mb[2], mb[3]); 1196 break; 1197 case MBA_FCF_CONF_ERR: 1198 ql_dbg(ql_dbg_async, vha, 0x5020, 1199 "FCF Configuration Error -- %04x %04x %04x.\n", 1200 mb[1], mb[2], mb[3]); 1201 break; 1202 case MBA_IDC_NOTIFY: 1203 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1204 mb[4] = RD_REG_WORD(®24->mailbox4); 1205 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1206 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1207 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1208 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1209 /* 1210 * Extend loop down timer since port is active. 1211 */ 1212 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1213 atomic_set(&vha->loop_down_timer, 1214 LOOP_DOWN_TIME); 1215 qla2xxx_wake_dpc(vha); 1216 } 1217 } 1218 /* fall through */ 1219 case MBA_IDC_COMPLETE: 1220 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1221 complete(&ha->lb_portup_comp); 1222 /* Fallthru */ 1223 case MBA_IDC_TIME_EXT: 1224 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1225 IS_QLA8044(ha)) 1226 qla81xx_idc_event(vha, mb[0], mb[1]); 1227 break; 1228 1229 case MBA_IDC_AEN: 1230 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 1231 ha->flags.fw_init_done = 0; 1232 ql_log(ql_log_warn, vha, 0xffff, 1233 "MPI Heartbeat stop. Chip reset needed. MB0[%xh] MB1[%xh] MB2[%xh] MB3[%xh]\n", 1234 mb[0], mb[1], mb[2], mb[3]); 1235 1236 if ((mb[1] & BIT_8) || 1237 (mb[2] & BIT_8)) { 1238 ql_log(ql_log_warn, vha, 0xd013, 1239 "MPI Heartbeat stop. FW dump needed\n"); 1240 ha->fw_dump_mpi = 1; 1241 ha->isp_ops->fw_dump(vha, 1); 1242 } 1243 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1244 qla2xxx_wake_dpc(vha); 1245 } else if (IS_QLA83XX(ha)) { 1246 mb[4] = RD_REG_WORD(®24->mailbox4); 1247 mb[5] = RD_REG_WORD(®24->mailbox5); 1248 mb[6] = RD_REG_WORD(®24->mailbox6); 1249 mb[7] = RD_REG_WORD(®24->mailbox7); 1250 qla83xx_handle_8200_aen(vha, mb); 1251 } else { 1252 ql_dbg(ql_dbg_async, vha, 0x5052, 1253 "skip Heartbeat processing mb0-3=[0x%04x] [0x%04x] [0x%04x] [0x%04x]\n", 1254 mb[0], mb[1], mb[2], mb[3]); 1255 } 1256 break; 1257 1258 case MBA_DPORT_DIAGNOSTICS: 1259 ql_dbg(ql_dbg_async, vha, 0x5052, 1260 "D-Port Diagnostics: %04x result=%s\n", 1261 mb[0], 1262 mb[1] == 0 ? "start" : 1263 mb[1] == 1 ? "done (pass)" : 1264 mb[1] == 2 ? "done (error)" : "other"); 1265 break; 1266 1267 case MBA_TEMPERATURE_ALERT: 1268 ql_dbg(ql_dbg_async, vha, 0x505e, 1269 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); 1270 if (mb[1] == 0x12) 1271 schedule_work(&ha->board_disable); 1272 break; 1273 1274 case MBA_TRANS_INSERT: 1275 ql_dbg(ql_dbg_async, vha, 0x5091, 1276 "Transceiver Insertion: %04x\n", mb[1]); 1277 break; 1278 1279 default: 1280 ql_dbg(ql_dbg_async, vha, 0x5057, 1281 "Unknown AEN:%04x %04x %04x %04x\n", 1282 mb[0], mb[1], mb[2], mb[3]); 1283 } 1284 1285 qlt_async_event(mb[0], vha, mb); 1286 1287 if (!vha->vp_idx && ha->num_vhosts) 1288 qla2x00_alert_all_vps(rsp, mb); 1289 } 1290 1291 /** 1292 * qla2x00_process_completed_request() - Process a Fast Post response. 1293 * @vha: SCSI driver HA context 1294 * @req: request queue 1295 * @index: SRB index 1296 */ 1297 void 1298 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1299 struct req_que *req, uint32_t index) 1300 { 1301 srb_t *sp; 1302 struct qla_hw_data *ha = vha->hw; 1303 1304 /* Validate handle. */ 1305 if (index >= req->num_outstanding_cmds) { 1306 ql_log(ql_log_warn, vha, 0x3014, 1307 "Invalid SCSI command index (%x).\n", index); 1308 1309 if (IS_P3P_TYPE(ha)) 1310 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1311 else 1312 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1313 return; 1314 } 1315 1316 sp = req->outstanding_cmds[index]; 1317 if (sp) { 1318 /* Free outstanding command slot. */ 1319 req->outstanding_cmds[index] = NULL; 1320 1321 /* Save ISP completion status */ 1322 sp->done(sp, DID_OK << 16); 1323 } else { 1324 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1325 1326 if (IS_P3P_TYPE(ha)) 1327 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1328 else 1329 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1330 } 1331 } 1332 1333 srb_t * 1334 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1335 struct req_que *req, void *iocb) 1336 { 1337 struct qla_hw_data *ha = vha->hw; 1338 sts_entry_t *pkt = iocb; 1339 srb_t *sp = NULL; 1340 uint16_t index; 1341 1342 index = LSW(pkt->handle); 1343 if (index >= req->num_outstanding_cmds) { 1344 ql_log(ql_log_warn, vha, 0x5031, 1345 "Invalid command index (%x) type %8ph.\n", 1346 index, iocb); 1347 if (IS_P3P_TYPE(ha)) 1348 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1349 else 1350 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1351 goto done; 1352 } 1353 sp = req->outstanding_cmds[index]; 1354 if (!sp) { 1355 ql_log(ql_log_warn, vha, 0x5032, 1356 "Invalid completion handle (%x) -- timed-out.\n", index); 1357 return sp; 1358 } 1359 if (sp->handle != index) { 1360 ql_log(ql_log_warn, vha, 0x5033, 1361 "SRB handle (%x) mismatch %x.\n", sp->handle, index); 1362 return NULL; 1363 } 1364 1365 req->outstanding_cmds[index] = NULL; 1366 1367 done: 1368 return sp; 1369 } 1370 1371 static void 1372 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1373 struct mbx_entry *mbx) 1374 { 1375 const char func[] = "MBX-IOCB"; 1376 const char *type; 1377 fc_port_t *fcport; 1378 srb_t *sp; 1379 struct srb_iocb *lio; 1380 uint16_t *data; 1381 uint16_t status; 1382 1383 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1384 if (!sp) 1385 return; 1386 1387 lio = &sp->u.iocb_cmd; 1388 type = sp->name; 1389 fcport = sp->fcport; 1390 data = lio->u.logio.data; 1391 1392 data[0] = MBS_COMMAND_ERROR; 1393 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1394 QLA_LOGIO_LOGIN_RETRIED : 0; 1395 if (mbx->entry_status) { 1396 ql_dbg(ql_dbg_async, vha, 0x5043, 1397 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1398 "entry-status=%x status=%x state-flag=%x " 1399 "status-flags=%x.\n", type, sp->handle, 1400 fcport->d_id.b.domain, fcport->d_id.b.area, 1401 fcport->d_id.b.al_pa, mbx->entry_status, 1402 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1403 le16_to_cpu(mbx->status_flags)); 1404 1405 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1406 mbx, sizeof(*mbx)); 1407 1408 goto logio_done; 1409 } 1410 1411 status = le16_to_cpu(mbx->status); 1412 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1413 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1414 status = 0; 1415 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1416 ql_dbg(ql_dbg_async, vha, 0x5045, 1417 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1418 type, sp->handle, fcport->d_id.b.domain, 1419 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1420 le16_to_cpu(mbx->mb1)); 1421 1422 data[0] = MBS_COMMAND_COMPLETE; 1423 if (sp->type == SRB_LOGIN_CMD) { 1424 fcport->port_type = FCT_TARGET; 1425 if (le16_to_cpu(mbx->mb1) & BIT_0) 1426 fcport->port_type = FCT_INITIATOR; 1427 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1428 fcport->flags |= FCF_FCP2_DEVICE; 1429 } 1430 goto logio_done; 1431 } 1432 1433 data[0] = le16_to_cpu(mbx->mb0); 1434 switch (data[0]) { 1435 case MBS_PORT_ID_USED: 1436 data[1] = le16_to_cpu(mbx->mb1); 1437 break; 1438 case MBS_LOOP_ID_USED: 1439 break; 1440 default: 1441 data[0] = MBS_COMMAND_ERROR; 1442 break; 1443 } 1444 1445 ql_log(ql_log_warn, vha, 0x5046, 1446 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1447 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1448 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1449 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1450 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1451 le16_to_cpu(mbx->mb7)); 1452 1453 logio_done: 1454 sp->done(sp, 0); 1455 } 1456 1457 static void 1458 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1459 struct mbx_24xx_entry *pkt) 1460 { 1461 const char func[] = "MBX-IOCB2"; 1462 srb_t *sp; 1463 struct srb_iocb *si; 1464 u16 sz, i; 1465 int res; 1466 1467 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1468 if (!sp) 1469 return; 1470 1471 si = &sp->u.iocb_cmd; 1472 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); 1473 1474 for (i = 0; i < sz; i++) 1475 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]); 1476 1477 res = (si->u.mbx.in_mb[0] & MBS_MASK); 1478 1479 sp->done(sp, res); 1480 } 1481 1482 static void 1483 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1484 struct nack_to_isp *pkt) 1485 { 1486 const char func[] = "nack"; 1487 srb_t *sp; 1488 int res = 0; 1489 1490 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1491 if (!sp) 1492 return; 1493 1494 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) 1495 res = QLA_FUNCTION_FAILED; 1496 1497 sp->done(sp, res); 1498 } 1499 1500 static void 1501 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1502 sts_entry_t *pkt, int iocb_type) 1503 { 1504 const char func[] = "CT_IOCB"; 1505 const char *type; 1506 srb_t *sp; 1507 struct bsg_job *bsg_job; 1508 struct fc_bsg_reply *bsg_reply; 1509 uint16_t comp_status; 1510 int res = 0; 1511 1512 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1513 if (!sp) 1514 return; 1515 1516 switch (sp->type) { 1517 case SRB_CT_CMD: 1518 bsg_job = sp->u.bsg_job; 1519 bsg_reply = bsg_job->reply; 1520 1521 type = "ct pass-through"; 1522 1523 comp_status = le16_to_cpu(pkt->comp_status); 1524 1525 /* 1526 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1527 * fc payload to the caller 1528 */ 1529 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1530 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1531 1532 if (comp_status != CS_COMPLETE) { 1533 if (comp_status == CS_DATA_UNDERRUN) { 1534 res = DID_OK << 16; 1535 bsg_reply->reply_payload_rcv_len = 1536 le16_to_cpu(pkt->rsp_info_len); 1537 1538 ql_log(ql_log_warn, vha, 0x5048, 1539 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", 1540 type, comp_status, 1541 bsg_reply->reply_payload_rcv_len); 1542 } else { 1543 ql_log(ql_log_warn, vha, 0x5049, 1544 "CT pass-through-%s error comp_status=0x%x.\n", 1545 type, comp_status); 1546 res = DID_ERROR << 16; 1547 bsg_reply->reply_payload_rcv_len = 0; 1548 } 1549 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 1550 pkt, sizeof(*pkt)); 1551 } else { 1552 res = DID_OK << 16; 1553 bsg_reply->reply_payload_rcv_len = 1554 bsg_job->reply_payload.payload_len; 1555 bsg_job->reply_len = 0; 1556 } 1557 break; 1558 case SRB_CT_PTHRU_CMD: 1559 /* 1560 * borrowing sts_entry_24xx.comp_status. 1561 * same location as ct_entry_24xx.comp_status 1562 */ 1563 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 1564 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1565 sp->name); 1566 break; 1567 } 1568 1569 sp->done(sp, res); 1570 } 1571 1572 static void 1573 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1574 struct sts_entry_24xx *pkt, int iocb_type) 1575 { 1576 const char func[] = "ELS_CT_IOCB"; 1577 const char *type; 1578 srb_t *sp; 1579 struct bsg_job *bsg_job; 1580 struct fc_bsg_reply *bsg_reply; 1581 uint16_t comp_status; 1582 uint32_t fw_status[3]; 1583 int res; 1584 struct srb_iocb *els; 1585 1586 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1587 if (!sp) 1588 return; 1589 1590 type = NULL; 1591 switch (sp->type) { 1592 case SRB_ELS_CMD_RPT: 1593 case SRB_ELS_CMD_HST: 1594 type = "els"; 1595 break; 1596 case SRB_CT_CMD: 1597 type = "ct pass-through"; 1598 break; 1599 case SRB_ELS_DCMD: 1600 type = "Driver ELS logo"; 1601 if (iocb_type != ELS_IOCB_TYPE) { 1602 ql_dbg(ql_dbg_user, vha, 0x5047, 1603 "Completing %s: (%p) type=%d.\n", 1604 type, sp, sp->type); 1605 sp->done(sp, 0); 1606 return; 1607 } 1608 break; 1609 case SRB_CT_PTHRU_CMD: 1610 /* borrowing sts_entry_24xx.comp_status. 1611 same location as ct_entry_24xx.comp_status 1612 */ 1613 res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt, 1614 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1615 sp->name); 1616 sp->done(sp, res); 1617 return; 1618 default: 1619 ql_dbg(ql_dbg_user, vha, 0x503e, 1620 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 1621 return; 1622 } 1623 1624 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 1625 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1); 1626 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2); 1627 1628 if (iocb_type == ELS_IOCB_TYPE) { 1629 els = &sp->u.iocb_cmd; 1630 els->u.els_plogi.fw_status[0] = fw_status[0]; 1631 els->u.els_plogi.fw_status[1] = fw_status[1]; 1632 els->u.els_plogi.fw_status[2] = fw_status[2]; 1633 els->u.els_plogi.comp_status = fw_status[0]; 1634 if (comp_status == CS_COMPLETE) { 1635 res = DID_OK << 16; 1636 } else { 1637 if (comp_status == CS_DATA_UNDERRUN) { 1638 res = DID_OK << 16; 1639 els->u.els_plogi.len = 1640 le16_to_cpu(((struct els_sts_entry_24xx *) 1641 pkt)->total_byte_count); 1642 } else { 1643 els->u.els_plogi.len = 0; 1644 res = DID_ERROR << 16; 1645 } 1646 } 1647 ql_dbg(ql_dbg_user, vha, 0x503f, 1648 "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", 1649 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1650 le16_to_cpu(((struct els_sts_entry_24xx *) 1651 pkt)->total_byte_count)); 1652 goto els_ct_done; 1653 } 1654 1655 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1656 * fc payload to the caller 1657 */ 1658 bsg_job = sp->u.bsg_job; 1659 bsg_reply = bsg_job->reply; 1660 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1661 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 1662 1663 if (comp_status != CS_COMPLETE) { 1664 if (comp_status == CS_DATA_UNDERRUN) { 1665 res = DID_OK << 16; 1666 bsg_reply->reply_payload_rcv_len = 1667 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); 1668 1669 ql_dbg(ql_dbg_user, vha, 0x503f, 1670 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1671 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 1672 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1673 le16_to_cpu(((struct els_sts_entry_24xx *) 1674 pkt)->total_byte_count)); 1675 } else { 1676 ql_dbg(ql_dbg_user, vha, 0x5040, 1677 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1678 "error subcode 1=0x%x error subcode 2=0x%x.\n", 1679 type, sp->handle, comp_status, 1680 le16_to_cpu(((struct els_sts_entry_24xx *) 1681 pkt)->error_subcode_1), 1682 le16_to_cpu(((struct els_sts_entry_24xx *) 1683 pkt)->error_subcode_2)); 1684 res = DID_ERROR << 16; 1685 bsg_reply->reply_payload_rcv_len = 0; 1686 } 1687 memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply), 1688 fw_status, sizeof(fw_status)); 1689 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 1690 pkt, sizeof(*pkt)); 1691 } 1692 else { 1693 res = DID_OK << 16; 1694 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 1695 bsg_job->reply_len = 0; 1696 } 1697 els_ct_done: 1698 1699 sp->done(sp, res); 1700 } 1701 1702 static void 1703 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 1704 struct logio_entry_24xx *logio) 1705 { 1706 const char func[] = "LOGIO-IOCB"; 1707 const char *type; 1708 fc_port_t *fcport; 1709 srb_t *sp; 1710 struct srb_iocb *lio; 1711 uint16_t *data; 1712 uint32_t iop[2]; 1713 1714 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 1715 if (!sp) 1716 return; 1717 1718 lio = &sp->u.iocb_cmd; 1719 type = sp->name; 1720 fcport = sp->fcport; 1721 data = lio->u.logio.data; 1722 1723 data[0] = MBS_COMMAND_ERROR; 1724 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1725 QLA_LOGIO_LOGIN_RETRIED : 0; 1726 if (logio->entry_status) { 1727 ql_log(ql_log_warn, fcport->vha, 0x5034, 1728 "Async-%s error entry - %8phC hdl=%x" 1729 "portid=%02x%02x%02x entry-status=%x.\n", 1730 type, fcport->port_name, sp->handle, fcport->d_id.b.domain, 1731 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1732 logio->entry_status); 1733 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 1734 logio, sizeof(*logio)); 1735 1736 goto logio_done; 1737 } 1738 1739 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 1740 ql_dbg(ql_dbg_async, fcport->vha, 0x5036, 1741 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x " 1742 "iop0=%x.\n", type, fcport->port_name, sp->handle, 1743 fcport->d_id.b.domain, 1744 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1745 le32_to_cpu(logio->io_parameter[0])); 1746 1747 vha->hw->exch_starvation = 0; 1748 data[0] = MBS_COMMAND_COMPLETE; 1749 1750 if (sp->type == SRB_PRLI_CMD) { 1751 lio->u.logio.iop[0] = 1752 le32_to_cpu(logio->io_parameter[0]); 1753 lio->u.logio.iop[1] = 1754 le32_to_cpu(logio->io_parameter[1]); 1755 goto logio_done; 1756 } 1757 1758 if (sp->type != SRB_LOGIN_CMD) 1759 goto logio_done; 1760 1761 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1762 if (iop[0] & BIT_4) { 1763 fcport->port_type = FCT_TARGET; 1764 if (iop[0] & BIT_8) 1765 fcport->flags |= FCF_FCP2_DEVICE; 1766 } else if (iop[0] & BIT_5) 1767 fcport->port_type = FCT_INITIATOR; 1768 1769 if (iop[0] & BIT_7) 1770 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 1771 1772 if (logio->io_parameter[7] || logio->io_parameter[8]) 1773 fcport->supported_classes |= FC_COS_CLASS2; 1774 if (logio->io_parameter[9] || logio->io_parameter[10]) 1775 fcport->supported_classes |= FC_COS_CLASS3; 1776 1777 goto logio_done; 1778 } 1779 1780 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1781 iop[1] = le32_to_cpu(logio->io_parameter[1]); 1782 lio->u.logio.iop[0] = iop[0]; 1783 lio->u.logio.iop[1] = iop[1]; 1784 switch (iop[0]) { 1785 case LSC_SCODE_PORTID_USED: 1786 data[0] = MBS_PORT_ID_USED; 1787 data[1] = LSW(iop[1]); 1788 break; 1789 case LSC_SCODE_NPORT_USED: 1790 data[0] = MBS_LOOP_ID_USED; 1791 break; 1792 case LSC_SCODE_CMD_FAILED: 1793 if (iop[1] == 0x0606) { 1794 /* 1795 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, 1796 * Target side acked. 1797 */ 1798 data[0] = MBS_COMMAND_COMPLETE; 1799 goto logio_done; 1800 } 1801 data[0] = MBS_COMMAND_ERROR; 1802 break; 1803 case LSC_SCODE_NOXCB: 1804 vha->hw->exch_starvation++; 1805 if (vha->hw->exch_starvation > 5) { 1806 ql_log(ql_log_warn, vha, 0xd046, 1807 "Exchange starvation. Resetting RISC\n"); 1808 1809 vha->hw->exch_starvation = 0; 1810 1811 if (IS_P3P_TYPE(vha->hw)) 1812 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1813 else 1814 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1815 qla2xxx_wake_dpc(vha); 1816 } 1817 /* fall through */ 1818 default: 1819 data[0] = MBS_COMMAND_ERROR; 1820 break; 1821 } 1822 1823 ql_dbg(ql_dbg_async, fcport->vha, 0x5037, 1824 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x " 1825 "iop0=%x iop1=%x.\n", type, fcport->port_name, 1826 sp->handle, fcport->d_id.b.domain, 1827 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1828 le16_to_cpu(logio->comp_status), 1829 le32_to_cpu(logio->io_parameter[0]), 1830 le32_to_cpu(logio->io_parameter[1])); 1831 1832 logio_done: 1833 sp->done(sp, 0); 1834 } 1835 1836 static void 1837 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 1838 { 1839 const char func[] = "TMF-IOCB"; 1840 const char *type; 1841 fc_port_t *fcport; 1842 srb_t *sp; 1843 struct srb_iocb *iocb; 1844 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1845 1846 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1847 if (!sp) 1848 return; 1849 1850 iocb = &sp->u.iocb_cmd; 1851 type = sp->name; 1852 fcport = sp->fcport; 1853 iocb->u.tmf.data = QLA_SUCCESS; 1854 1855 if (sts->entry_status) { 1856 ql_log(ql_log_warn, fcport->vha, 0x5038, 1857 "Async-%s error - hdl=%x entry-status(%x).\n", 1858 type, sp->handle, sts->entry_status); 1859 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1860 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 1861 ql_log(ql_log_warn, fcport->vha, 0x5039, 1862 "Async-%s error - hdl=%x completion status(%x).\n", 1863 type, sp->handle, sts->comp_status); 1864 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1865 } else if ((le16_to_cpu(sts->scsi_status) & 1866 SS_RESPONSE_INFO_LEN_VALID)) { 1867 if (le32_to_cpu(sts->rsp_data_len) < 4) { 1868 ql_log(ql_log_warn, fcport->vha, 0x503b, 1869 "Async-%s error - hdl=%x not enough response(%d).\n", 1870 type, sp->handle, sts->rsp_data_len); 1871 } else if (sts->data[3]) { 1872 ql_log(ql_log_warn, fcport->vha, 0x503c, 1873 "Async-%s error - hdl=%x response(%x).\n", 1874 type, sp->handle, sts->data[3]); 1875 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1876 } 1877 } 1878 1879 if (iocb->u.tmf.data != QLA_SUCCESS) 1880 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055, 1881 sts, sizeof(*sts)); 1882 1883 sp->done(sp, 0); 1884 } 1885 1886 static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1887 void *tsk, srb_t *sp) 1888 { 1889 fc_port_t *fcport; 1890 struct srb_iocb *iocb; 1891 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1892 uint16_t state_flags; 1893 struct nvmefc_fcp_req *fd; 1894 uint16_t ret = QLA_SUCCESS; 1895 uint16_t comp_status = le16_to_cpu(sts->comp_status); 1896 1897 iocb = &sp->u.iocb_cmd; 1898 fcport = sp->fcport; 1899 iocb->u.nvme.comp_status = comp_status; 1900 state_flags = le16_to_cpu(sts->state_flags); 1901 fd = iocb->u.nvme.desc; 1902 1903 if (unlikely(iocb->u.nvme.aen_op)) 1904 atomic_dec(&sp->vha->hw->nvme_active_aen_cnt); 1905 1906 /* 1907 * State flags: Bit 6 and 0. 1908 * If 0 is set, we don't care about 6. 1909 * both cases resp was dma'd to host buffer 1910 * if both are 0, that is good path case. 1911 * if six is set and 0 is clear, we need to 1912 * copy resp data from status iocb to resp buffer. 1913 */ 1914 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { 1915 iocb->u.nvme.rsp_pyld_len = 0; 1916 } else if ((state_flags & SF_FCP_RSP_DMA)) { 1917 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1918 } else if (state_flags & SF_NVME_ERSP) { 1919 uint32_t *inbuf, *outbuf; 1920 uint16_t iter; 1921 1922 inbuf = (uint32_t *)&sts->nvme_ersp_data; 1923 outbuf = (uint32_t *)fd->rspaddr; 1924 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1925 iter = iocb->u.nvme.rsp_pyld_len >> 2; 1926 for (; iter; iter--) 1927 *outbuf++ = swab32(*inbuf++); 1928 } else { /* unhandled case */ 1929 ql_log(ql_log_warn, fcport->vha, 0x503a, 1930 "NVME-%s error. Unhandled state_flags of %x\n", 1931 sp->name, state_flags); 1932 } 1933 1934 fd->transferred_length = fd->payload_length - 1935 le32_to_cpu(sts->residual_len); 1936 1937 if (unlikely(comp_status != CS_COMPLETE)) 1938 ql_log(ql_log_warn, fcport->vha, 0x5060, 1939 "NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n", 1940 sp->name, sp->handle, comp_status, 1941 fd->transferred_length, le32_to_cpu(sts->residual_len), 1942 sts->ox_id); 1943 1944 /* 1945 * If transport error then Failure (HBA rejects request) 1946 * otherwise transport will handle. 1947 */ 1948 switch (comp_status) { 1949 case CS_COMPLETE: 1950 break; 1951 1952 case CS_RESET: 1953 case CS_PORT_UNAVAILABLE: 1954 case CS_PORT_LOGGED_OUT: 1955 fcport->nvme_flag |= NVME_FLAG_RESETTING; 1956 /* fall through */ 1957 case CS_ABORTED: 1958 case CS_PORT_BUSY: 1959 fd->transferred_length = 0; 1960 iocb->u.nvme.rsp_pyld_len = 0; 1961 ret = QLA_ABORTED; 1962 break; 1963 case CS_DATA_UNDERRUN: 1964 break; 1965 default: 1966 ret = QLA_FUNCTION_FAILED; 1967 break; 1968 } 1969 sp->done(sp, ret); 1970 } 1971 1972 static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req, 1973 struct vp_ctrl_entry_24xx *vce) 1974 { 1975 const char func[] = "CTRLVP-IOCB"; 1976 srb_t *sp; 1977 int rval = QLA_SUCCESS; 1978 1979 sp = qla2x00_get_sp_from_handle(vha, func, req, vce); 1980 if (!sp) 1981 return; 1982 1983 if (vce->entry_status != 0) { 1984 ql_dbg(ql_dbg_vport, vha, 0x10c4, 1985 "%s: Failed to complete IOCB -- error status (%x)\n", 1986 sp->name, vce->entry_status); 1987 rval = QLA_FUNCTION_FAILED; 1988 } else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) { 1989 ql_dbg(ql_dbg_vport, vha, 0x10c5, 1990 "%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n", 1991 sp->name, le16_to_cpu(vce->comp_status), 1992 le16_to_cpu(vce->vp_idx_failed)); 1993 rval = QLA_FUNCTION_FAILED; 1994 } else { 1995 ql_dbg(ql_dbg_vport, vha, 0x10c6, 1996 "Done %s.\n", __func__); 1997 } 1998 1999 sp->rc = rval; 2000 sp->done(sp, rval); 2001 } 2002 2003 /* Process a single response queue entry. */ 2004 static void qla2x00_process_response_entry(struct scsi_qla_host *vha, 2005 struct rsp_que *rsp, 2006 sts_entry_t *pkt) 2007 { 2008 sts21_entry_t *sts21_entry; 2009 sts22_entry_t *sts22_entry; 2010 uint16_t handle_cnt; 2011 uint16_t cnt; 2012 2013 switch (pkt->entry_type) { 2014 case STATUS_TYPE: 2015 qla2x00_status_entry(vha, rsp, pkt); 2016 break; 2017 case STATUS_TYPE_21: 2018 sts21_entry = (sts21_entry_t *)pkt; 2019 handle_cnt = sts21_entry->handle_count; 2020 for (cnt = 0; cnt < handle_cnt; cnt++) 2021 qla2x00_process_completed_request(vha, rsp->req, 2022 sts21_entry->handle[cnt]); 2023 break; 2024 case STATUS_TYPE_22: 2025 sts22_entry = (sts22_entry_t *)pkt; 2026 handle_cnt = sts22_entry->handle_count; 2027 for (cnt = 0; cnt < handle_cnt; cnt++) 2028 qla2x00_process_completed_request(vha, rsp->req, 2029 sts22_entry->handle[cnt]); 2030 break; 2031 case STATUS_CONT_TYPE: 2032 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2033 break; 2034 case MBX_IOCB_TYPE: 2035 qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt); 2036 break; 2037 case CT_IOCB_TYPE: 2038 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2039 break; 2040 default: 2041 /* Type Not Supported. */ 2042 ql_log(ql_log_warn, vha, 0x504a, 2043 "Received unknown response pkt type %x entry status=%x.\n", 2044 pkt->entry_type, pkt->entry_status); 2045 break; 2046 } 2047 } 2048 2049 /** 2050 * qla2x00_process_response_queue() - Process response queue entries. 2051 * @rsp: response queue 2052 */ 2053 void 2054 qla2x00_process_response_queue(struct rsp_que *rsp) 2055 { 2056 struct scsi_qla_host *vha; 2057 struct qla_hw_data *ha = rsp->hw; 2058 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 2059 sts_entry_t *pkt; 2060 2061 vha = pci_get_drvdata(ha->pdev); 2062 2063 if (!vha->flags.online) 2064 return; 2065 2066 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2067 pkt = (sts_entry_t *)rsp->ring_ptr; 2068 2069 rsp->ring_index++; 2070 if (rsp->ring_index == rsp->length) { 2071 rsp->ring_index = 0; 2072 rsp->ring_ptr = rsp->ring; 2073 } else { 2074 rsp->ring_ptr++; 2075 } 2076 2077 if (pkt->entry_status != 0) { 2078 qla2x00_error_entry(vha, rsp, pkt); 2079 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2080 wmb(); 2081 continue; 2082 } 2083 2084 qla2x00_process_response_entry(vha, rsp, pkt); 2085 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2086 wmb(); 2087 } 2088 2089 /* Adjust ring index */ 2090 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 2091 } 2092 2093 static inline void 2094 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2095 uint32_t sense_len, struct rsp_que *rsp, int res) 2096 { 2097 struct scsi_qla_host *vha = sp->vha; 2098 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2099 uint32_t track_sense_len; 2100 2101 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2102 sense_len = SCSI_SENSE_BUFFERSIZE; 2103 2104 SET_CMD_SENSE_LEN(sp, sense_len); 2105 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2106 track_sense_len = sense_len; 2107 2108 if (sense_len > par_sense_len) 2109 sense_len = par_sense_len; 2110 2111 memcpy(cp->sense_buffer, sense_data, sense_len); 2112 2113 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2114 track_sense_len -= sense_len; 2115 SET_CMD_SENSE_LEN(sp, track_sense_len); 2116 2117 if (track_sense_len != 0) { 2118 rsp->status_srb = sp; 2119 cp->result = res; 2120 } 2121 2122 if (sense_len) { 2123 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 2124 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 2125 sp->vha->host_no, cp->device->id, cp->device->lun, 2126 cp); 2127 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 2128 cp->sense_buffer, sense_len); 2129 } 2130 } 2131 2132 struct scsi_dif_tuple { 2133 __be16 guard; /* Checksum */ 2134 __be16 app_tag; /* APPL identifier */ 2135 __be32 ref_tag; /* Target LBA or indirect LBA */ 2136 }; 2137 2138 /* 2139 * Checks the guard or meta-data for the type of error 2140 * detected by the HBA. In case of errors, we set the 2141 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 2142 * to indicate to the kernel that the HBA detected error. 2143 */ 2144 static inline int 2145 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 2146 { 2147 struct scsi_qla_host *vha = sp->vha; 2148 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 2149 uint8_t *ap = &sts24->data[12]; 2150 uint8_t *ep = &sts24->data[20]; 2151 uint32_t e_ref_tag, a_ref_tag; 2152 uint16_t e_app_tag, a_app_tag; 2153 uint16_t e_guard, a_guard; 2154 2155 /* 2156 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 2157 * would make guard field appear at offset 2 2158 */ 2159 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); 2160 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); 2161 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); 2162 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); 2163 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); 2164 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); 2165 2166 ql_dbg(ql_dbg_io, vha, 0x3023, 2167 "iocb(s) %p Returned STATUS.\n", sts24); 2168 2169 ql_dbg(ql_dbg_io, vha, 0x3024, 2170 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 2171 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 2172 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 2173 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 2174 a_app_tag, e_app_tag, a_guard, e_guard); 2175 2176 /* 2177 * Ignore sector if: 2178 * For type 3: ref & app tag is all 'f's 2179 * For type 0,1,2: app tag is all 'f's 2180 */ 2181 if ((a_app_tag == T10_PI_APP_ESCAPE) && 2182 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 2183 (a_ref_tag == T10_PI_REF_ESCAPE))) { 2184 uint32_t blocks_done, resid; 2185 sector_t lba_s = scsi_get_lba(cmd); 2186 2187 /* 2TB boundary case covered automatically with this */ 2188 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 2189 2190 resid = scsi_bufflen(cmd) - (blocks_done * 2191 cmd->device->sector_size); 2192 2193 scsi_set_resid(cmd, resid); 2194 cmd->result = DID_OK << 16; 2195 2196 /* Update protection tag */ 2197 if (scsi_prot_sg_count(cmd)) { 2198 uint32_t i, j = 0, k = 0, num_ent; 2199 struct scatterlist *sg; 2200 struct t10_pi_tuple *spt; 2201 2202 /* Patch the corresponding protection tags */ 2203 scsi_for_each_prot_sg(cmd, sg, 2204 scsi_prot_sg_count(cmd), i) { 2205 num_ent = sg_dma_len(sg) / 8; 2206 if (k + num_ent < blocks_done) { 2207 k += num_ent; 2208 continue; 2209 } 2210 j = blocks_done - k - 1; 2211 k = blocks_done; 2212 break; 2213 } 2214 2215 if (k != blocks_done) { 2216 ql_log(ql_log_warn, vha, 0x302f, 2217 "unexpected tag values tag:lba=%x:%llx)\n", 2218 e_ref_tag, (unsigned long long)lba_s); 2219 return 1; 2220 } 2221 2222 spt = page_address(sg_page(sg)) + sg->offset; 2223 spt += j; 2224 2225 spt->app_tag = T10_PI_APP_ESCAPE; 2226 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 2227 spt->ref_tag = T10_PI_REF_ESCAPE; 2228 } 2229 2230 return 0; 2231 } 2232 2233 /* check guard */ 2234 if (e_guard != a_guard) { 2235 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2236 0x10, 0x1); 2237 set_driver_byte(cmd, DRIVER_SENSE); 2238 set_host_byte(cmd, DID_ABORT); 2239 cmd->result |= SAM_STAT_CHECK_CONDITION; 2240 return 1; 2241 } 2242 2243 /* check ref tag */ 2244 if (e_ref_tag != a_ref_tag) { 2245 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2246 0x10, 0x3); 2247 set_driver_byte(cmd, DRIVER_SENSE); 2248 set_host_byte(cmd, DID_ABORT); 2249 cmd->result |= SAM_STAT_CHECK_CONDITION; 2250 return 1; 2251 } 2252 2253 /* check appl tag */ 2254 if (e_app_tag != a_app_tag) { 2255 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2256 0x10, 0x2); 2257 set_driver_byte(cmd, DRIVER_SENSE); 2258 set_host_byte(cmd, DID_ABORT); 2259 cmd->result |= SAM_STAT_CHECK_CONDITION; 2260 return 1; 2261 } 2262 2263 return 1; 2264 } 2265 2266 static void 2267 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 2268 struct req_que *req, uint32_t index) 2269 { 2270 struct qla_hw_data *ha = vha->hw; 2271 srb_t *sp; 2272 uint16_t comp_status; 2273 uint16_t scsi_status; 2274 uint16_t thread_id; 2275 uint32_t rval = EXT_STATUS_OK; 2276 struct bsg_job *bsg_job = NULL; 2277 struct fc_bsg_request *bsg_request; 2278 struct fc_bsg_reply *bsg_reply; 2279 sts_entry_t *sts = pkt; 2280 struct sts_entry_24xx *sts24 = pkt; 2281 2282 /* Validate handle. */ 2283 if (index >= req->num_outstanding_cmds) { 2284 ql_log(ql_log_warn, vha, 0x70af, 2285 "Invalid SCSI completion handle 0x%x.\n", index); 2286 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2287 return; 2288 } 2289 2290 sp = req->outstanding_cmds[index]; 2291 if (!sp) { 2292 ql_log(ql_log_warn, vha, 0x70b0, 2293 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 2294 req->id, index); 2295 2296 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2297 return; 2298 } 2299 2300 /* Free outstanding command slot. */ 2301 req->outstanding_cmds[index] = NULL; 2302 bsg_job = sp->u.bsg_job; 2303 bsg_request = bsg_job->request; 2304 bsg_reply = bsg_job->reply; 2305 2306 if (IS_FWI2_CAPABLE(ha)) { 2307 comp_status = le16_to_cpu(sts24->comp_status); 2308 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2309 } else { 2310 comp_status = le16_to_cpu(sts->comp_status); 2311 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2312 } 2313 2314 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 2315 switch (comp_status) { 2316 case CS_COMPLETE: 2317 if (scsi_status == 0) { 2318 bsg_reply->reply_payload_rcv_len = 2319 bsg_job->reply_payload.payload_len; 2320 vha->qla_stats.input_bytes += 2321 bsg_reply->reply_payload_rcv_len; 2322 vha->qla_stats.input_requests++; 2323 rval = EXT_STATUS_OK; 2324 } 2325 goto done; 2326 2327 case CS_DATA_OVERRUN: 2328 ql_dbg(ql_dbg_user, vha, 0x70b1, 2329 "Command completed with data overrun thread_id=%d\n", 2330 thread_id); 2331 rval = EXT_STATUS_DATA_OVERRUN; 2332 break; 2333 2334 case CS_DATA_UNDERRUN: 2335 ql_dbg(ql_dbg_user, vha, 0x70b2, 2336 "Command completed with data underrun thread_id=%d\n", 2337 thread_id); 2338 rval = EXT_STATUS_DATA_UNDERRUN; 2339 break; 2340 case CS_BIDIR_RD_OVERRUN: 2341 ql_dbg(ql_dbg_user, vha, 0x70b3, 2342 "Command completed with read data overrun thread_id=%d\n", 2343 thread_id); 2344 rval = EXT_STATUS_DATA_OVERRUN; 2345 break; 2346 2347 case CS_BIDIR_RD_WR_OVERRUN: 2348 ql_dbg(ql_dbg_user, vha, 0x70b4, 2349 "Command completed with read and write data overrun " 2350 "thread_id=%d\n", thread_id); 2351 rval = EXT_STATUS_DATA_OVERRUN; 2352 break; 2353 2354 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 2355 ql_dbg(ql_dbg_user, vha, 0x70b5, 2356 "Command completed with read data over and write data " 2357 "underrun thread_id=%d\n", thread_id); 2358 rval = EXT_STATUS_DATA_OVERRUN; 2359 break; 2360 2361 case CS_BIDIR_RD_UNDERRUN: 2362 ql_dbg(ql_dbg_user, vha, 0x70b6, 2363 "Command completed with read data underrun " 2364 "thread_id=%d\n", thread_id); 2365 rval = EXT_STATUS_DATA_UNDERRUN; 2366 break; 2367 2368 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 2369 ql_dbg(ql_dbg_user, vha, 0x70b7, 2370 "Command completed with read data under and write data " 2371 "overrun thread_id=%d\n", thread_id); 2372 rval = EXT_STATUS_DATA_UNDERRUN; 2373 break; 2374 2375 case CS_BIDIR_RD_WR_UNDERRUN: 2376 ql_dbg(ql_dbg_user, vha, 0x70b8, 2377 "Command completed with read and write data underrun " 2378 "thread_id=%d\n", thread_id); 2379 rval = EXT_STATUS_DATA_UNDERRUN; 2380 break; 2381 2382 case CS_BIDIR_DMA: 2383 ql_dbg(ql_dbg_user, vha, 0x70b9, 2384 "Command completed with data DMA error thread_id=%d\n", 2385 thread_id); 2386 rval = EXT_STATUS_DMA_ERR; 2387 break; 2388 2389 case CS_TIMEOUT: 2390 ql_dbg(ql_dbg_user, vha, 0x70ba, 2391 "Command completed with timeout thread_id=%d\n", 2392 thread_id); 2393 rval = EXT_STATUS_TIMEOUT; 2394 break; 2395 default: 2396 ql_dbg(ql_dbg_user, vha, 0x70bb, 2397 "Command completed with completion status=0x%x " 2398 "thread_id=%d\n", comp_status, thread_id); 2399 rval = EXT_STATUS_ERR; 2400 break; 2401 } 2402 bsg_reply->reply_payload_rcv_len = 0; 2403 2404 done: 2405 /* Return the vendor specific reply to API */ 2406 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 2407 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2408 /* Always return DID_OK, bsg will send the vendor specific response 2409 * in this case only */ 2410 sp->done(sp, DID_OK << 16); 2411 2412 } 2413 2414 /** 2415 * qla2x00_status_entry() - Process a Status IOCB entry. 2416 * @vha: SCSI driver HA context 2417 * @rsp: response queue 2418 * @pkt: Entry pointer 2419 */ 2420 static void 2421 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2422 { 2423 srb_t *sp; 2424 fc_port_t *fcport; 2425 struct scsi_cmnd *cp; 2426 sts_entry_t *sts = pkt; 2427 struct sts_entry_24xx *sts24 = pkt; 2428 uint16_t comp_status; 2429 uint16_t scsi_status; 2430 uint16_t ox_id; 2431 uint8_t lscsi_status; 2432 int32_t resid; 2433 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2434 fw_resid_len; 2435 uint8_t *rsp_info, *sense_data; 2436 struct qla_hw_data *ha = vha->hw; 2437 uint32_t handle; 2438 uint16_t que; 2439 struct req_que *req; 2440 int logit = 1; 2441 int res = 0; 2442 uint16_t state_flags = 0; 2443 uint16_t retry_delay = 0; 2444 2445 if (IS_FWI2_CAPABLE(ha)) { 2446 comp_status = le16_to_cpu(sts24->comp_status); 2447 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2448 state_flags = le16_to_cpu(sts24->state_flags); 2449 } else { 2450 comp_status = le16_to_cpu(sts->comp_status); 2451 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2452 } 2453 handle = (uint32_t) LSW(sts->handle); 2454 que = MSW(sts->handle); 2455 req = ha->req_q_map[que]; 2456 2457 /* Check for invalid queue pointer */ 2458 if (req == NULL || 2459 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 2460 ql_dbg(ql_dbg_io, vha, 0x3059, 2461 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 2462 "que=%u.\n", sts->handle, req, que); 2463 return; 2464 } 2465 2466 /* Validate handle. */ 2467 if (handle < req->num_outstanding_cmds) { 2468 sp = req->outstanding_cmds[handle]; 2469 if (!sp) { 2470 ql_dbg(ql_dbg_io, vha, 0x3075, 2471 "%s(%ld): Already returned command for status handle (0x%x).\n", 2472 __func__, vha->host_no, sts->handle); 2473 return; 2474 } 2475 } else { 2476 ql_dbg(ql_dbg_io, vha, 0x3017, 2477 "Invalid status handle, out of range (0x%x).\n", 2478 sts->handle); 2479 2480 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 2481 if (IS_P3P_TYPE(ha)) 2482 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2483 else 2484 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2485 qla2xxx_wake_dpc(vha); 2486 } 2487 return; 2488 } 2489 2490 if (sp->abort) 2491 sp->aborted = 1; 2492 else 2493 sp->completed = 1; 2494 2495 if (sp->cmd_type != TYPE_SRB) { 2496 req->outstanding_cmds[handle] = NULL; 2497 ql_dbg(ql_dbg_io, vha, 0x3015, 2498 "Unknown sp->cmd_type %x %p).\n", 2499 sp->cmd_type, sp); 2500 return; 2501 } 2502 2503 /* NVME completion. */ 2504 if (sp->type == SRB_NVME_CMD) { 2505 req->outstanding_cmds[handle] = NULL; 2506 qla24xx_nvme_iocb_entry(vha, req, pkt, sp); 2507 return; 2508 } 2509 2510 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 2511 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 2512 return; 2513 } 2514 2515 /* Task Management completion. */ 2516 if (sp->type == SRB_TM_CMD) { 2517 qla24xx_tm_iocb_entry(vha, req, pkt); 2518 return; 2519 } 2520 2521 /* Fast path completion. */ 2522 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2523 qla2x00_process_completed_request(vha, req, handle); 2524 2525 return; 2526 } 2527 2528 req->outstanding_cmds[handle] = NULL; 2529 cp = GET_CMD_SP(sp); 2530 if (cp == NULL) { 2531 ql_dbg(ql_dbg_io, vha, 0x3018, 2532 "Command already returned (0x%x/%p).\n", 2533 sts->handle, sp); 2534 2535 return; 2536 } 2537 2538 lscsi_status = scsi_status & STATUS_MASK; 2539 2540 fcport = sp->fcport; 2541 2542 ox_id = 0; 2543 sense_len = par_sense_len = rsp_info_len = resid_len = 2544 fw_resid_len = 0; 2545 if (IS_FWI2_CAPABLE(ha)) { 2546 if (scsi_status & SS_SENSE_LEN_VALID) 2547 sense_len = le32_to_cpu(sts24->sense_len); 2548 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2549 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 2550 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 2551 resid_len = le32_to_cpu(sts24->rsp_residual_count); 2552 if (comp_status == CS_DATA_UNDERRUN) 2553 fw_resid_len = le32_to_cpu(sts24->residual_len); 2554 rsp_info = sts24->data; 2555 sense_data = sts24->data; 2556 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 2557 ox_id = le16_to_cpu(sts24->ox_id); 2558 par_sense_len = sizeof(sts24->data); 2559 /* Valid values of the retry delay timer are 0x1-0xffef */ 2560 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) { 2561 retry_delay = sts24->retry_delay & 0x3fff; 2562 ql_dbg(ql_dbg_io, sp->vha, 0x3033, 2563 "%s: scope=%#x retry_delay=%#x\n", __func__, 2564 sts24->retry_delay >> 14, retry_delay); 2565 } 2566 } else { 2567 if (scsi_status & SS_SENSE_LEN_VALID) 2568 sense_len = le16_to_cpu(sts->req_sense_length); 2569 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2570 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 2571 resid_len = le32_to_cpu(sts->residual_length); 2572 rsp_info = sts->rsp_info; 2573 sense_data = sts->req_sense_data; 2574 par_sense_len = sizeof(sts->req_sense_data); 2575 } 2576 2577 /* Check for any FCP transport errors. */ 2578 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 2579 /* Sense data lies beyond any FCP RESPONSE data. */ 2580 if (IS_FWI2_CAPABLE(ha)) { 2581 sense_data += rsp_info_len; 2582 par_sense_len -= rsp_info_len; 2583 } 2584 if (rsp_info_len > 3 && rsp_info[3]) { 2585 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 2586 "FCP I/O protocol failure (0x%x/0x%x).\n", 2587 rsp_info_len, rsp_info[3]); 2588 2589 res = DID_BUS_BUSY << 16; 2590 goto out; 2591 } 2592 } 2593 2594 /* Check for overrun. */ 2595 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2596 scsi_status & SS_RESIDUAL_OVER) 2597 comp_status = CS_DATA_OVERRUN; 2598 2599 /* 2600 * Check retry_delay_timer value if we receive a busy or 2601 * queue full. 2602 */ 2603 if (lscsi_status == SAM_STAT_TASK_SET_FULL || 2604 lscsi_status == SAM_STAT_BUSY) 2605 qla2x00_set_retry_delay_timestamp(fcport, retry_delay); 2606 2607 /* 2608 * Based on Host and scsi status generate status code for Linux 2609 */ 2610 switch (comp_status) { 2611 case CS_COMPLETE: 2612 case CS_QUEUE_FULL: 2613 if (scsi_status == 0) { 2614 res = DID_OK << 16; 2615 break; 2616 } 2617 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2618 resid = resid_len; 2619 scsi_set_resid(cp, resid); 2620 2621 if (!lscsi_status && 2622 ((unsigned)(scsi_bufflen(cp) - resid) < 2623 cp->underflow)) { 2624 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2625 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2626 resid, scsi_bufflen(cp)); 2627 2628 res = DID_ERROR << 16; 2629 break; 2630 } 2631 } 2632 res = DID_OK << 16 | lscsi_status; 2633 2634 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2635 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2636 "QUEUE FULL detected.\n"); 2637 break; 2638 } 2639 logit = 0; 2640 if (lscsi_status != SS_CHECK_CONDITION) 2641 break; 2642 2643 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2644 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2645 break; 2646 2647 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2648 rsp, res); 2649 break; 2650 2651 case CS_DATA_UNDERRUN: 2652 /* Use F/W calculated residual length. */ 2653 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2654 scsi_set_resid(cp, resid); 2655 if (scsi_status & SS_RESIDUAL_UNDER) { 2656 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2657 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2658 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2659 resid, scsi_bufflen(cp)); 2660 2661 res = DID_ERROR << 16 | lscsi_status; 2662 goto check_scsi_status; 2663 } 2664 2665 if (!lscsi_status && 2666 ((unsigned)(scsi_bufflen(cp) - resid) < 2667 cp->underflow)) { 2668 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2669 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2670 resid, scsi_bufflen(cp)); 2671 2672 res = DID_ERROR << 16; 2673 break; 2674 } 2675 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2676 lscsi_status != SAM_STAT_BUSY) { 2677 /* 2678 * scsi status of task set and busy are considered to be 2679 * task not completed. 2680 */ 2681 2682 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2683 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2684 resid, scsi_bufflen(cp)); 2685 2686 res = DID_ERROR << 16 | lscsi_status; 2687 goto check_scsi_status; 2688 } else { 2689 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2690 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2691 scsi_status, lscsi_status); 2692 } 2693 2694 res = DID_OK << 16 | lscsi_status; 2695 logit = 0; 2696 2697 check_scsi_status: 2698 /* 2699 * Check to see if SCSI Status is non zero. If so report SCSI 2700 * Status. 2701 */ 2702 if (lscsi_status != 0) { 2703 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2704 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2705 "QUEUE FULL detected.\n"); 2706 logit = 1; 2707 break; 2708 } 2709 if (lscsi_status != SS_CHECK_CONDITION) 2710 break; 2711 2712 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2713 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2714 break; 2715 2716 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2717 sense_len, rsp, res); 2718 } 2719 break; 2720 2721 case CS_PORT_LOGGED_OUT: 2722 case CS_PORT_CONFIG_CHG: 2723 case CS_PORT_BUSY: 2724 case CS_INCOMPLETE: 2725 case CS_PORT_UNAVAILABLE: 2726 case CS_TIMEOUT: 2727 case CS_RESET: 2728 2729 /* 2730 * We are going to have the fc class block the rport 2731 * while we try to recover so instruct the mid layer 2732 * to requeue until the class decides how to handle this. 2733 */ 2734 res = DID_TRANSPORT_DISRUPTED << 16; 2735 2736 if (comp_status == CS_TIMEOUT) { 2737 if (IS_FWI2_CAPABLE(ha)) 2738 break; 2739 else if ((le16_to_cpu(sts->status_flags) & 2740 SF_LOGOUT_SENT) == 0) 2741 break; 2742 } 2743 2744 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2745 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2746 "Port to be marked lost on fcport=%02x%02x%02x, current " 2747 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 2748 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2749 port_state_str[FCS_ONLINE], 2750 comp_status); 2751 2752 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 2753 qlt_schedule_sess_for_deletion(fcport); 2754 } 2755 2756 break; 2757 2758 case CS_ABORTED: 2759 res = DID_RESET << 16; 2760 break; 2761 2762 case CS_DIF_ERROR: 2763 logit = qla2x00_handle_dif_error(sp, sts24); 2764 res = cp->result; 2765 break; 2766 2767 case CS_TRANSPORT: 2768 res = DID_ERROR << 16; 2769 2770 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2771 break; 2772 2773 if (state_flags & BIT_4) 2774 scmd_printk(KERN_WARNING, cp, 2775 "Unsupported device '%s' found.\n", 2776 cp->device->vendor); 2777 break; 2778 2779 case CS_DMA: 2780 ql_log(ql_log_info, fcport->vha, 0x3022, 2781 "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", 2782 comp_status, scsi_status, res, vha->host_no, 2783 cp->device->id, cp->device->lun, fcport->d_id.b24, 2784 ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2785 resid_len, fw_resid_len, sp, cp); 2786 ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee, 2787 pkt, sizeof(*sts24)); 2788 res = DID_ERROR << 16; 2789 break; 2790 default: 2791 res = DID_ERROR << 16; 2792 break; 2793 } 2794 2795 out: 2796 if (logit) 2797 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 2798 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 2799 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " 2800 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 2801 comp_status, scsi_status, res, vha->host_no, 2802 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 2803 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 2804 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2805 resid_len, fw_resid_len, sp, cp); 2806 2807 if (rsp->status_srb == NULL) 2808 sp->done(sp, res); 2809 } 2810 2811 /** 2812 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 2813 * @rsp: response queue 2814 * @pkt: Entry pointer 2815 * 2816 * Extended sense data. 2817 */ 2818 static void 2819 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2820 { 2821 uint8_t sense_sz = 0; 2822 struct qla_hw_data *ha = rsp->hw; 2823 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2824 srb_t *sp = rsp->status_srb; 2825 struct scsi_cmnd *cp; 2826 uint32_t sense_len; 2827 uint8_t *sense_ptr; 2828 2829 if (!sp || !GET_CMD_SENSE_LEN(sp)) 2830 return; 2831 2832 sense_len = GET_CMD_SENSE_LEN(sp); 2833 sense_ptr = GET_CMD_SENSE_PTR(sp); 2834 2835 cp = GET_CMD_SP(sp); 2836 if (cp == NULL) { 2837 ql_log(ql_log_warn, vha, 0x3025, 2838 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2839 2840 rsp->status_srb = NULL; 2841 return; 2842 } 2843 2844 if (sense_len > sizeof(pkt->data)) 2845 sense_sz = sizeof(pkt->data); 2846 else 2847 sense_sz = sense_len; 2848 2849 /* Move sense data. */ 2850 if (IS_FWI2_CAPABLE(ha)) 2851 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 2852 memcpy(sense_ptr, pkt->data, sense_sz); 2853 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 2854 sense_ptr, sense_sz); 2855 2856 sense_len -= sense_sz; 2857 sense_ptr += sense_sz; 2858 2859 SET_CMD_SENSE_PTR(sp, sense_ptr); 2860 SET_CMD_SENSE_LEN(sp, sense_len); 2861 2862 /* Place command on done queue. */ 2863 if (sense_len == 0) { 2864 rsp->status_srb = NULL; 2865 sp->done(sp, cp->result); 2866 } 2867 } 2868 2869 /** 2870 * qla2x00_error_entry() - Process an error entry. 2871 * @vha: SCSI driver HA context 2872 * @rsp: response queue 2873 * @pkt: Entry pointer 2874 * return : 1=allow further error analysis. 0=no additional error analysis. 2875 */ 2876 static int 2877 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 2878 { 2879 srb_t *sp; 2880 struct qla_hw_data *ha = vha->hw; 2881 const char func[] = "ERROR-IOCB"; 2882 uint16_t que = MSW(pkt->handle); 2883 struct req_que *req = NULL; 2884 int res = DID_ERROR << 16; 2885 2886 ql_dbg(ql_dbg_async, vha, 0x502a, 2887 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", 2888 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); 2889 2890 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 2891 goto fatal; 2892 2893 req = ha->req_q_map[que]; 2894 2895 if (pkt->entry_status & RF_BUSY) 2896 res = DID_BUS_BUSY << 16; 2897 2898 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) 2899 return 0; 2900 2901 switch (pkt->entry_type) { 2902 case NOTIFY_ACK_TYPE: 2903 case STATUS_TYPE: 2904 case STATUS_CONT_TYPE: 2905 case LOGINOUT_PORT_IOCB_TYPE: 2906 case CT_IOCB_TYPE: 2907 case ELS_IOCB_TYPE: 2908 case ABORT_IOCB_TYPE: 2909 case MBX_IOCB_TYPE: 2910 default: 2911 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2912 if (sp) { 2913 sp->done(sp, res); 2914 return 0; 2915 } 2916 break; 2917 2918 case ABTS_RESP_24XX: 2919 case CTIO_TYPE7: 2920 case CTIO_CRC2: 2921 return 1; 2922 } 2923 fatal: 2924 ql_log(ql_log_warn, vha, 0x5030, 2925 "Error entry - invalid handle/queue (%04x).\n", que); 2926 return 0; 2927 } 2928 2929 /** 2930 * qla24xx_mbx_completion() - Process mailbox command completions. 2931 * @vha: SCSI driver HA context 2932 * @mb0: Mailbox0 register 2933 */ 2934 static void 2935 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2936 { 2937 uint16_t cnt; 2938 uint32_t mboxes; 2939 uint16_t __iomem *wptr; 2940 struct qla_hw_data *ha = vha->hw; 2941 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2942 2943 /* Read all mbox registers? */ 2944 WARN_ON_ONCE(ha->mbx_count > 32); 2945 mboxes = (1ULL << ha->mbx_count) - 1; 2946 if (!ha->mcp) 2947 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 2948 else 2949 mboxes = ha->mcp->in_mb; 2950 2951 /* Load return mailbox registers. */ 2952 ha->flags.mbox_int = 1; 2953 ha->mailbox_out[0] = mb0; 2954 mboxes >>= 1; 2955 wptr = (uint16_t __iomem *)®->mailbox1; 2956 2957 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2958 if (mboxes & BIT_0) 2959 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2960 2961 mboxes >>= 1; 2962 wptr++; 2963 } 2964 } 2965 2966 static void 2967 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2968 struct abort_entry_24xx *pkt) 2969 { 2970 const char func[] = "ABT_IOCB"; 2971 srb_t *sp; 2972 struct srb_iocb *abt; 2973 2974 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2975 if (!sp) 2976 return; 2977 2978 abt = &sp->u.iocb_cmd; 2979 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle); 2980 sp->done(sp, 0); 2981 } 2982 2983 void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha, 2984 struct pt_ls4_request *pkt, struct req_que *req) 2985 { 2986 srb_t *sp; 2987 const char func[] = "LS4_IOCB"; 2988 uint16_t comp_status; 2989 2990 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2991 if (!sp) 2992 return; 2993 2994 comp_status = le16_to_cpu(pkt->status); 2995 sp->done(sp, comp_status); 2996 } 2997 2998 /** 2999 * qla24xx_process_response_queue() - Process response queue entries. 3000 * @vha: SCSI driver HA context 3001 * @rsp: response queue 3002 */ 3003 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 3004 struct rsp_que *rsp) 3005 { 3006 struct sts_entry_24xx *pkt; 3007 struct qla_hw_data *ha = vha->hw; 3008 3009 if (!ha->flags.fw_started) 3010 return; 3011 3012 if (rsp->qpair->cpuid != smp_processor_id()) 3013 qla_cpu_update(rsp->qpair, smp_processor_id()); 3014 3015 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 3016 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 3017 3018 rsp->ring_index++; 3019 if (rsp->ring_index == rsp->length) { 3020 rsp->ring_index = 0; 3021 rsp->ring_ptr = rsp->ring; 3022 } else { 3023 rsp->ring_ptr++; 3024 } 3025 3026 if (pkt->entry_status != 0) { 3027 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) 3028 goto process_err; 3029 3030 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3031 wmb(); 3032 continue; 3033 } 3034 process_err: 3035 3036 switch (pkt->entry_type) { 3037 case STATUS_TYPE: 3038 qla2x00_status_entry(vha, rsp, pkt); 3039 break; 3040 case STATUS_CONT_TYPE: 3041 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 3042 break; 3043 case VP_RPT_ID_IOCB_TYPE: 3044 qla24xx_report_id_acquisition(vha, 3045 (struct vp_rpt_id_entry_24xx *)pkt); 3046 break; 3047 case LOGINOUT_PORT_IOCB_TYPE: 3048 qla24xx_logio_entry(vha, rsp->req, 3049 (struct logio_entry_24xx *)pkt); 3050 break; 3051 case CT_IOCB_TYPE: 3052 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 3053 break; 3054 case ELS_IOCB_TYPE: 3055 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 3056 break; 3057 case ABTS_RECV_24XX: 3058 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || 3059 IS_QLA28XX(ha)) { 3060 /* ensure that the ATIO queue is empty */ 3061 qlt_handle_abts_recv(vha, rsp, 3062 (response_t *)pkt); 3063 break; 3064 } else { 3065 qlt_24xx_process_atio_queue(vha, 1); 3066 } 3067 /* fall through */ 3068 case ABTS_RESP_24XX: 3069 case CTIO_TYPE7: 3070 case CTIO_CRC2: 3071 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); 3072 break; 3073 case PT_LS4_REQUEST: 3074 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, 3075 rsp->req); 3076 break; 3077 case NOTIFY_ACK_TYPE: 3078 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 3079 qlt_response_pkt_all_vps(vha, rsp, 3080 (response_t *)pkt); 3081 else 3082 qla24xxx_nack_iocb_entry(vha, rsp->req, 3083 (struct nack_to_isp *)pkt); 3084 break; 3085 case MARKER_TYPE: 3086 /* Do nothing in this case, this check is to prevent it 3087 * from falling into default case 3088 */ 3089 break; 3090 case ABORT_IOCB_TYPE: 3091 qla24xx_abort_iocb_entry(vha, rsp->req, 3092 (struct abort_entry_24xx *)pkt); 3093 break; 3094 case MBX_IOCB_TYPE: 3095 qla24xx_mbx_iocb_entry(vha, rsp->req, 3096 (struct mbx_24xx_entry *)pkt); 3097 break; 3098 case VP_CTRL_IOCB_TYPE: 3099 qla_ctrlvp_completed(vha, rsp->req, 3100 (struct vp_ctrl_entry_24xx *)pkt); 3101 break; 3102 default: 3103 /* Type Not Supported. */ 3104 ql_dbg(ql_dbg_async, vha, 0x5042, 3105 "Received unknown response pkt type %x " 3106 "entry status=%x.\n", 3107 pkt->entry_type, pkt->entry_status); 3108 break; 3109 } 3110 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 3111 wmb(); 3112 } 3113 3114 /* Adjust ring index */ 3115 if (IS_P3P_TYPE(ha)) { 3116 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 3117 3118 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 3119 } else { 3120 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 3121 } 3122 } 3123 3124 static void 3125 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 3126 { 3127 int rval; 3128 uint32_t cnt; 3129 struct qla_hw_data *ha = vha->hw; 3130 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3131 3132 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 3133 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3134 return; 3135 3136 rval = QLA_SUCCESS; 3137 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 3138 RD_REG_DWORD(®->iobase_addr); 3139 WRT_REG_DWORD(®->iobase_window, 0x0001); 3140 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3141 rval == QLA_SUCCESS; cnt--) { 3142 if (cnt) { 3143 WRT_REG_DWORD(®->iobase_window, 0x0001); 3144 udelay(10); 3145 } else 3146 rval = QLA_FUNCTION_TIMEOUT; 3147 } 3148 if (rval == QLA_SUCCESS) 3149 goto next_test; 3150 3151 rval = QLA_SUCCESS; 3152 WRT_REG_DWORD(®->iobase_window, 0x0003); 3153 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 3154 rval == QLA_SUCCESS; cnt--) { 3155 if (cnt) { 3156 WRT_REG_DWORD(®->iobase_window, 0x0003); 3157 udelay(10); 3158 } else 3159 rval = QLA_FUNCTION_TIMEOUT; 3160 } 3161 if (rval != QLA_SUCCESS) 3162 goto done; 3163 3164 next_test: 3165 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 3166 ql_log(ql_log_info, vha, 0x504c, 3167 "Additional code -- 0x55AA.\n"); 3168 3169 done: 3170 WRT_REG_DWORD(®->iobase_window, 0x0000); 3171 RD_REG_DWORD(®->iobase_window); 3172 } 3173 3174 /** 3175 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 3176 * @irq: interrupt number 3177 * @dev_id: SCSI driver HA context 3178 * 3179 * Called by system whenever the host adapter generates an interrupt. 3180 * 3181 * Returns handled flag. 3182 */ 3183 irqreturn_t 3184 qla24xx_intr_handler(int irq, void *dev_id) 3185 { 3186 scsi_qla_host_t *vha; 3187 struct qla_hw_data *ha; 3188 struct device_reg_24xx __iomem *reg; 3189 int status; 3190 unsigned long iter; 3191 uint32_t stat; 3192 uint32_t hccr; 3193 uint16_t mb[8]; 3194 struct rsp_que *rsp; 3195 unsigned long flags; 3196 bool process_atio = false; 3197 3198 rsp = (struct rsp_que *) dev_id; 3199 if (!rsp) { 3200 ql_log(ql_log_info, NULL, 0x5059, 3201 "%s: NULL response queue pointer.\n", __func__); 3202 return IRQ_NONE; 3203 } 3204 3205 ha = rsp->hw; 3206 reg = &ha->iobase->isp24; 3207 status = 0; 3208 3209 if (unlikely(pci_channel_offline(ha->pdev))) 3210 return IRQ_HANDLED; 3211 3212 spin_lock_irqsave(&ha->hardware_lock, flags); 3213 vha = pci_get_drvdata(ha->pdev); 3214 for (iter = 50; iter--; ) { 3215 stat = RD_REG_DWORD(®->host_status); 3216 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3217 break; 3218 if (stat & HSRX_RISC_PAUSED) { 3219 if (unlikely(pci_channel_offline(ha->pdev))) 3220 break; 3221 3222 hccr = RD_REG_DWORD(®->hccr); 3223 3224 ql_log(ql_log_warn, vha, 0x504b, 3225 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3226 hccr); 3227 3228 qla2xxx_check_risc_status(vha); 3229 3230 ha->isp_ops->fw_dump(vha, 1); 3231 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3232 break; 3233 } else if ((stat & HSRX_RISC_INT) == 0) 3234 break; 3235 3236 switch (stat & 0xff) { 3237 case INTR_ROM_MB_SUCCESS: 3238 case INTR_ROM_MB_FAILED: 3239 case INTR_MB_SUCCESS: 3240 case INTR_MB_FAILED: 3241 qla24xx_mbx_completion(vha, MSW(stat)); 3242 status |= MBX_INTERRUPT; 3243 3244 break; 3245 case INTR_ASYNC_EVENT: 3246 mb[0] = MSW(stat); 3247 mb[1] = RD_REG_WORD(®->mailbox1); 3248 mb[2] = RD_REG_WORD(®->mailbox2); 3249 mb[3] = RD_REG_WORD(®->mailbox3); 3250 qla2x00_async_event(vha, rsp, mb); 3251 break; 3252 case INTR_RSP_QUE_UPDATE: 3253 case INTR_RSP_QUE_UPDATE_83XX: 3254 qla24xx_process_response_queue(vha, rsp); 3255 break; 3256 case INTR_ATIO_QUE_UPDATE_27XX: 3257 case INTR_ATIO_QUE_UPDATE: 3258 process_atio = true; 3259 break; 3260 case INTR_ATIO_RSP_QUE_UPDATE: 3261 process_atio = true; 3262 qla24xx_process_response_queue(vha, rsp); 3263 break; 3264 default: 3265 ql_dbg(ql_dbg_async, vha, 0x504f, 3266 "Unrecognized interrupt type (%d).\n", stat * 0xff); 3267 break; 3268 } 3269 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3270 RD_REG_DWORD_RELAXED(®->hccr); 3271 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 3272 ndelay(3500); 3273 } 3274 qla2x00_handle_mbx_completion(ha, status); 3275 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3276 3277 if (process_atio) { 3278 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 3279 qlt_24xx_process_atio_queue(vha, 0); 3280 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 3281 } 3282 3283 return IRQ_HANDLED; 3284 } 3285 3286 static irqreturn_t 3287 qla24xx_msix_rsp_q(int irq, void *dev_id) 3288 { 3289 struct qla_hw_data *ha; 3290 struct rsp_que *rsp; 3291 struct device_reg_24xx __iomem *reg; 3292 struct scsi_qla_host *vha; 3293 unsigned long flags; 3294 3295 rsp = (struct rsp_que *) dev_id; 3296 if (!rsp) { 3297 ql_log(ql_log_info, NULL, 0x505a, 3298 "%s: NULL response queue pointer.\n", __func__); 3299 return IRQ_NONE; 3300 } 3301 ha = rsp->hw; 3302 reg = &ha->iobase->isp24; 3303 3304 spin_lock_irqsave(&ha->hardware_lock, flags); 3305 3306 vha = pci_get_drvdata(ha->pdev); 3307 qla24xx_process_response_queue(vha, rsp); 3308 if (!ha->flags.disable_msix_handshake) { 3309 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3310 RD_REG_DWORD_RELAXED(®->hccr); 3311 } 3312 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3313 3314 return IRQ_HANDLED; 3315 } 3316 3317 static irqreturn_t 3318 qla24xx_msix_default(int irq, void *dev_id) 3319 { 3320 scsi_qla_host_t *vha; 3321 struct qla_hw_data *ha; 3322 struct rsp_que *rsp; 3323 struct device_reg_24xx __iomem *reg; 3324 int status; 3325 uint32_t stat; 3326 uint32_t hccr; 3327 uint16_t mb[8]; 3328 unsigned long flags; 3329 bool process_atio = false; 3330 3331 rsp = (struct rsp_que *) dev_id; 3332 if (!rsp) { 3333 ql_log(ql_log_info, NULL, 0x505c, 3334 "%s: NULL response queue pointer.\n", __func__); 3335 return IRQ_NONE; 3336 } 3337 ha = rsp->hw; 3338 reg = &ha->iobase->isp24; 3339 status = 0; 3340 3341 spin_lock_irqsave(&ha->hardware_lock, flags); 3342 vha = pci_get_drvdata(ha->pdev); 3343 do { 3344 stat = RD_REG_DWORD(®->host_status); 3345 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3346 break; 3347 if (stat & HSRX_RISC_PAUSED) { 3348 if (unlikely(pci_channel_offline(ha->pdev))) 3349 break; 3350 3351 hccr = RD_REG_DWORD(®->hccr); 3352 3353 ql_log(ql_log_info, vha, 0x5050, 3354 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3355 hccr); 3356 3357 qla2xxx_check_risc_status(vha); 3358 3359 ha->isp_ops->fw_dump(vha, 1); 3360 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3361 break; 3362 } else if ((stat & HSRX_RISC_INT) == 0) 3363 break; 3364 3365 switch (stat & 0xff) { 3366 case INTR_ROM_MB_SUCCESS: 3367 case INTR_ROM_MB_FAILED: 3368 case INTR_MB_SUCCESS: 3369 case INTR_MB_FAILED: 3370 qla24xx_mbx_completion(vha, MSW(stat)); 3371 status |= MBX_INTERRUPT; 3372 3373 break; 3374 case INTR_ASYNC_EVENT: 3375 mb[0] = MSW(stat); 3376 mb[1] = RD_REG_WORD(®->mailbox1); 3377 mb[2] = RD_REG_WORD(®->mailbox2); 3378 mb[3] = RD_REG_WORD(®->mailbox3); 3379 qla2x00_async_event(vha, rsp, mb); 3380 break; 3381 case INTR_RSP_QUE_UPDATE: 3382 case INTR_RSP_QUE_UPDATE_83XX: 3383 qla24xx_process_response_queue(vha, rsp); 3384 break; 3385 case INTR_ATIO_QUE_UPDATE_27XX: 3386 case INTR_ATIO_QUE_UPDATE: 3387 process_atio = true; 3388 break; 3389 case INTR_ATIO_RSP_QUE_UPDATE: 3390 process_atio = true; 3391 qla24xx_process_response_queue(vha, rsp); 3392 break; 3393 default: 3394 ql_dbg(ql_dbg_async, vha, 0x5051, 3395 "Unrecognized interrupt type (%d).\n", stat & 0xff); 3396 break; 3397 } 3398 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3399 } while (0); 3400 qla2x00_handle_mbx_completion(ha, status); 3401 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3402 3403 if (process_atio) { 3404 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 3405 qlt_24xx_process_atio_queue(vha, 0); 3406 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags); 3407 } 3408 3409 return IRQ_HANDLED; 3410 } 3411 3412 irqreturn_t 3413 qla2xxx_msix_rsp_q(int irq, void *dev_id) 3414 { 3415 struct qla_hw_data *ha; 3416 struct qla_qpair *qpair; 3417 struct device_reg_24xx __iomem *reg; 3418 unsigned long flags; 3419 3420 qpair = dev_id; 3421 if (!qpair) { 3422 ql_log(ql_log_info, NULL, 0x505b, 3423 "%s: NULL response queue pointer.\n", __func__); 3424 return IRQ_NONE; 3425 } 3426 ha = qpair->hw; 3427 3428 /* Clear the interrupt, if enabled, for this response queue */ 3429 if (unlikely(!ha->flags.disable_msix_handshake)) { 3430 reg = &ha->iobase->isp24; 3431 spin_lock_irqsave(&ha->hardware_lock, flags); 3432 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3433 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3434 } 3435 3436 queue_work(ha->wq, &qpair->q_work); 3437 3438 return IRQ_HANDLED; 3439 } 3440 3441 /* Interrupt handling helpers. */ 3442 3443 struct qla_init_msix_entry { 3444 const char *name; 3445 irq_handler_t handler; 3446 }; 3447 3448 static const struct qla_init_msix_entry msix_entries[] = { 3449 { "default", qla24xx_msix_default }, 3450 { "rsp_q", qla24xx_msix_rsp_q }, 3451 { "atio_q", qla83xx_msix_atio_q }, 3452 { "qpair_multiq", qla2xxx_msix_rsp_q }, 3453 }; 3454 3455 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 3456 { "qla2xxx (default)", qla82xx_msix_default }, 3457 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 3458 }; 3459 3460 static int 3461 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 3462 { 3463 int i, ret; 3464 struct qla_msix_entry *qentry; 3465 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3466 int min_vecs = QLA_BASE_VECTORS; 3467 struct irq_affinity desc = { 3468 .pre_vectors = QLA_BASE_VECTORS, 3469 }; 3470 3471 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3472 IS_ATIO_MSIX_CAPABLE(ha)) { 3473 desc.pre_vectors++; 3474 min_vecs++; 3475 } 3476 3477 if (USER_CTRL_IRQ(ha) || !ha->mqiobase) { 3478 /* user wants to control IRQ setting for target mode */ 3479 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, 3480 ha->msix_count, PCI_IRQ_MSIX); 3481 } else 3482 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 3483 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 3484 &desc); 3485 3486 if (ret < 0) { 3487 ql_log(ql_log_fatal, vha, 0x00c7, 3488 "MSI-X: Failed to enable support, " 3489 "giving up -- %d/%d.\n", 3490 ha->msix_count, ret); 3491 goto msix_out; 3492 } else if (ret < ha->msix_count) { 3493 ql_log(ql_log_info, vha, 0x00c6, 3494 "MSI-X: Using %d vectors\n", ret); 3495 ha->msix_count = ret; 3496 /* Recalculate queue values */ 3497 if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) { 3498 ha->max_req_queues = ha->msix_count - 1; 3499 3500 /* ATIOQ needs 1 vector. That's 1 less QPair */ 3501 if (QLA_TGT_MODE_ENABLED()) 3502 ha->max_req_queues--; 3503 3504 ha->max_rsp_queues = ha->max_req_queues; 3505 3506 ha->max_qpairs = ha->max_req_queues - 1; 3507 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 3508 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 3509 } 3510 } 3511 vha->irq_offset = desc.pre_vectors; 3512 ha->msix_entries = kcalloc(ha->msix_count, 3513 sizeof(struct qla_msix_entry), 3514 GFP_KERNEL); 3515 if (!ha->msix_entries) { 3516 ql_log(ql_log_fatal, vha, 0x00c8, 3517 "Failed to allocate memory for ha->msix_entries.\n"); 3518 ret = -ENOMEM; 3519 goto free_irqs; 3520 } 3521 ha->flags.msix_enabled = 1; 3522 3523 for (i = 0; i < ha->msix_count; i++) { 3524 qentry = &ha->msix_entries[i]; 3525 qentry->vector = pci_irq_vector(ha->pdev, i); 3526 qentry->entry = i; 3527 qentry->have_irq = 0; 3528 qentry->in_use = 0; 3529 qentry->handle = NULL; 3530 } 3531 3532 /* Enable MSI-X vectors for the base queue */ 3533 for (i = 0; i < QLA_BASE_VECTORS; i++) { 3534 qentry = &ha->msix_entries[i]; 3535 qentry->handle = rsp; 3536 rsp->msix = qentry; 3537 scnprintf(qentry->name, sizeof(qentry->name), 3538 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); 3539 if (IS_P3P_TYPE(ha)) 3540 ret = request_irq(qentry->vector, 3541 qla82xx_msix_entries[i].handler, 3542 0, qla82xx_msix_entries[i].name, rsp); 3543 else 3544 ret = request_irq(qentry->vector, 3545 msix_entries[i].handler, 3546 0, qentry->name, rsp); 3547 if (ret) 3548 goto msix_register_fail; 3549 qentry->have_irq = 1; 3550 qentry->in_use = 1; 3551 } 3552 3553 /* 3554 * If target mode is enable, also request the vector for the ATIO 3555 * queue. 3556 */ 3557 if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && 3558 IS_ATIO_MSIX_CAPABLE(ha)) { 3559 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 3560 rsp->msix = qentry; 3561 qentry->handle = rsp; 3562 scnprintf(qentry->name, sizeof(qentry->name), 3563 "qla2xxx%lu_%s", vha->host_no, 3564 msix_entries[QLA_ATIO_VECTOR].name); 3565 qentry->in_use = 1; 3566 ret = request_irq(qentry->vector, 3567 msix_entries[QLA_ATIO_VECTOR].handler, 3568 0, qentry->name, rsp); 3569 qentry->have_irq = 1; 3570 } 3571 3572 msix_register_fail: 3573 if (ret) { 3574 ql_log(ql_log_fatal, vha, 0x00cb, 3575 "MSI-X: unable to register handler -- %x/%d.\n", 3576 qentry->vector, ret); 3577 qla2x00_free_irqs(vha); 3578 ha->mqenable = 0; 3579 goto msix_out; 3580 } 3581 3582 /* Enable MSI-X vector for response queue update for queue 0 */ 3583 if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 3584 if (ha->msixbase && ha->mqiobase && 3585 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3586 ql2xmqsupport)) 3587 ha->mqenable = 1; 3588 } else 3589 if (ha->mqiobase && 3590 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3591 ql2xmqsupport)) 3592 ha->mqenable = 1; 3593 ql_dbg(ql_dbg_multiq, vha, 0xc005, 3594 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3595 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3596 ql_dbg(ql_dbg_init, vha, 0x0055, 3597 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3598 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3599 3600 msix_out: 3601 return ret; 3602 3603 free_irqs: 3604 pci_free_irq_vectors(ha->pdev); 3605 goto msix_out; 3606 } 3607 3608 int 3609 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 3610 { 3611 int ret = QLA_FUNCTION_FAILED; 3612 device_reg_t *reg = ha->iobase; 3613 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3614 3615 /* If possible, enable MSI-X. */ 3616 if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) && 3617 !IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && 3618 !IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))) 3619 goto skip_msi; 3620 3621 if (ql2xenablemsix == 2) 3622 goto skip_msix; 3623 3624 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 3625 (ha->pdev->subsystem_device == 0x7040 || 3626 ha->pdev->subsystem_device == 0x7041 || 3627 ha->pdev->subsystem_device == 0x1705)) { 3628 ql_log(ql_log_warn, vha, 0x0034, 3629 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 3630 ha->pdev->subsystem_vendor, 3631 ha->pdev->subsystem_device); 3632 goto skip_msi; 3633 } 3634 3635 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 3636 ql_log(ql_log_warn, vha, 0x0035, 3637 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 3638 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 3639 goto skip_msix; 3640 } 3641 3642 ret = qla24xx_enable_msix(ha, rsp); 3643 if (!ret) { 3644 ql_dbg(ql_dbg_init, vha, 0x0036, 3645 "MSI-X: Enabled (0x%X, 0x%X).\n", 3646 ha->chip_revision, ha->fw_attributes); 3647 goto clear_risc_ints; 3648 } 3649 3650 skip_msix: 3651 3652 ql_log(ql_log_info, vha, 0x0037, 3653 "Falling back-to MSI mode -- ret=%d.\n", ret); 3654 3655 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3656 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 3657 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3658 goto skip_msi; 3659 3660 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 3661 if (ret > 0) { 3662 ql_dbg(ql_dbg_init, vha, 0x0038, 3663 "MSI: Enabled.\n"); 3664 ha->flags.msi_enabled = 1; 3665 } else 3666 ql_log(ql_log_warn, vha, 0x0039, 3667 "Falling back-to INTa mode -- ret=%d.\n", ret); 3668 skip_msi: 3669 3670 /* Skip INTx on ISP82xx. */ 3671 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 3672 return QLA_FUNCTION_FAILED; 3673 3674 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 3675 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 3676 QLA2XXX_DRIVER_NAME, rsp); 3677 if (ret) { 3678 ql_log(ql_log_warn, vha, 0x003a, 3679 "Failed to reserve interrupt %d already in use.\n", 3680 ha->pdev->irq); 3681 goto fail; 3682 } else if (!ha->flags.msi_enabled) { 3683 ql_dbg(ql_dbg_init, vha, 0x0125, 3684 "INTa mode: Enabled.\n"); 3685 ha->flags.mr_intr_valid = 1; 3686 } 3687 3688 clear_risc_ints: 3689 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 3690 goto fail; 3691 3692 spin_lock_irq(&ha->hardware_lock); 3693 WRT_REG_WORD(®->isp.semaphore, 0); 3694 spin_unlock_irq(&ha->hardware_lock); 3695 3696 fail: 3697 return ret; 3698 } 3699 3700 void 3701 qla2x00_free_irqs(scsi_qla_host_t *vha) 3702 { 3703 struct qla_hw_data *ha = vha->hw; 3704 struct rsp_que *rsp; 3705 struct qla_msix_entry *qentry; 3706 int i; 3707 3708 /* 3709 * We need to check that ha->rsp_q_map is valid in case we are called 3710 * from a probe failure context. 3711 */ 3712 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 3713 goto free_irqs; 3714 rsp = ha->rsp_q_map[0]; 3715 3716 if (ha->flags.msix_enabled) { 3717 for (i = 0; i < ha->msix_count; i++) { 3718 qentry = &ha->msix_entries[i]; 3719 if (qentry->have_irq) { 3720 irq_set_affinity_notifier(qentry->vector, NULL); 3721 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 3722 } 3723 } 3724 kfree(ha->msix_entries); 3725 ha->msix_entries = NULL; 3726 ha->flags.msix_enabled = 0; 3727 ql_dbg(ql_dbg_init, vha, 0x0042, 3728 "Disabled MSI-X.\n"); 3729 } else { 3730 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 3731 } 3732 3733 free_irqs: 3734 pci_free_irq_vectors(ha->pdev); 3735 } 3736 3737 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 3738 struct qla_msix_entry *msix, int vector_type) 3739 { 3740 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 3741 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3742 int ret; 3743 3744 scnprintf(msix->name, sizeof(msix->name), 3745 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 3746 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 3747 if (ret) { 3748 ql_log(ql_log_fatal, vha, 0x00e6, 3749 "MSI-X: Unable to register handler -- %x/%d.\n", 3750 msix->vector, ret); 3751 return ret; 3752 } 3753 msix->have_irq = 1; 3754 msix->handle = qpair; 3755 return ret; 3756 } 3757