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/t10-pi.h> 13 #include <scsi/scsi_tcq.h> 14 #include <scsi/scsi_bsg_fc.h> 15 #include <scsi/scsi_eh.h> 16 17 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); 18 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); 19 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); 20 static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, 21 sts_entry_t *); 22 static void qla_irq_affinity_notify(struct irq_affinity_notify *, 23 const cpumask_t *); 24 static void qla_irq_affinity_release(struct kref *); 25 26 27 /** 28 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. 29 * @irq: 30 * @dev_id: SCSI driver HA context 31 * 32 * Called by system whenever the host adapter generates an interrupt. 33 * 34 * Returns handled flag. 35 */ 36 irqreturn_t 37 qla2100_intr_handler(int irq, void *dev_id) 38 { 39 scsi_qla_host_t *vha; 40 struct qla_hw_data *ha; 41 struct device_reg_2xxx __iomem *reg; 42 int status; 43 unsigned long iter; 44 uint16_t hccr; 45 uint16_t mb[4]; 46 struct rsp_que *rsp; 47 unsigned long flags; 48 49 rsp = (struct rsp_que *) dev_id; 50 if (!rsp) { 51 ql_log(ql_log_info, NULL, 0x505d, 52 "%s: NULL response queue pointer.\n", __func__); 53 return (IRQ_NONE); 54 } 55 56 ha = rsp->hw; 57 reg = &ha->iobase->isp; 58 status = 0; 59 60 spin_lock_irqsave(&ha->hardware_lock, flags); 61 vha = pci_get_drvdata(ha->pdev); 62 for (iter = 50; iter--; ) { 63 hccr = RD_REG_WORD(®->hccr); 64 if (qla2x00_check_reg16_for_disconnect(vha, hccr)) 65 break; 66 if (hccr & HCCR_RISC_PAUSE) { 67 if (pci_channel_offline(ha->pdev)) 68 break; 69 70 /* 71 * Issue a "HARD" reset in order for the RISC interrupt 72 * bit to be cleared. Schedule a big hammer to get 73 * out of the RISC PAUSED state. 74 */ 75 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 76 RD_REG_WORD(®->hccr); 77 78 ha->isp_ops->fw_dump(vha, 1); 79 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 80 break; 81 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) 82 break; 83 84 if (RD_REG_WORD(®->semaphore) & BIT_0) { 85 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 86 RD_REG_WORD(®->hccr); 87 88 /* Get mailbox data. */ 89 mb[0] = RD_MAILBOX_REG(ha, reg, 0); 90 if (mb[0] > 0x3fff && mb[0] < 0x8000) { 91 qla2x00_mbx_completion(vha, mb[0]); 92 status |= MBX_INTERRUPT; 93 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { 94 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 95 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 96 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 97 qla2x00_async_event(vha, rsp, mb); 98 } else { 99 /*EMPTY*/ 100 ql_dbg(ql_dbg_async, vha, 0x5025, 101 "Unrecognized interrupt type (%d).\n", 102 mb[0]); 103 } 104 /* Release mailbox registers. */ 105 WRT_REG_WORD(®->semaphore, 0); 106 RD_REG_WORD(®->semaphore); 107 } else { 108 qla2x00_process_response_queue(rsp); 109 110 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 111 RD_REG_WORD(®->hccr); 112 } 113 } 114 qla2x00_handle_mbx_completion(ha, status); 115 spin_unlock_irqrestore(&ha->hardware_lock, flags); 116 117 return (IRQ_HANDLED); 118 } 119 120 bool 121 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) 122 { 123 /* Check for PCI disconnection */ 124 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) { 125 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) && 126 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) && 127 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) { 128 /* 129 * Schedule this (only once) on the default system 130 * workqueue so that all the adapter workqueues and the 131 * DPC thread can be shutdown cleanly. 132 */ 133 schedule_work(&vha->hw->board_disable); 134 } 135 return true; 136 } else 137 return false; 138 } 139 140 bool 141 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) 142 { 143 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg); 144 } 145 146 /** 147 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 148 * @irq: 149 * @dev_id: SCSI driver HA context 150 * 151 * Called by system whenever the host adapter generates an interrupt. 152 * 153 * Returns handled flag. 154 */ 155 irqreturn_t 156 qla2300_intr_handler(int irq, void *dev_id) 157 { 158 scsi_qla_host_t *vha; 159 struct device_reg_2xxx __iomem *reg; 160 int status; 161 unsigned long iter; 162 uint32_t stat; 163 uint16_t hccr; 164 uint16_t mb[4]; 165 struct rsp_que *rsp; 166 struct qla_hw_data *ha; 167 unsigned long flags; 168 169 rsp = (struct rsp_que *) dev_id; 170 if (!rsp) { 171 ql_log(ql_log_info, NULL, 0x5058, 172 "%s: NULL response queue pointer.\n", __func__); 173 return (IRQ_NONE); 174 } 175 176 ha = rsp->hw; 177 reg = &ha->iobase->isp; 178 status = 0; 179 180 spin_lock_irqsave(&ha->hardware_lock, flags); 181 vha = pci_get_drvdata(ha->pdev); 182 for (iter = 50; iter--; ) { 183 stat = RD_REG_DWORD(®->u.isp2300.host_status); 184 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 185 break; 186 if (stat & HSR_RISC_PAUSED) { 187 if (unlikely(pci_channel_offline(ha->pdev))) 188 break; 189 190 hccr = RD_REG_WORD(®->hccr); 191 192 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) 193 ql_log(ql_log_warn, vha, 0x5026, 194 "Parity error -- HCCR=%x, Dumping " 195 "firmware.\n", hccr); 196 else 197 ql_log(ql_log_warn, vha, 0x5027, 198 "RISC paused -- HCCR=%x, Dumping " 199 "firmware.\n", hccr); 200 201 /* 202 * Issue a "HARD" reset in order for the RISC 203 * interrupt bit to be cleared. Schedule a big 204 * hammer to get out of the RISC PAUSED state. 205 */ 206 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 207 RD_REG_WORD(®->hccr); 208 209 ha->isp_ops->fw_dump(vha, 1); 210 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 211 break; 212 } else if ((stat & HSR_RISC_INT) == 0) 213 break; 214 215 switch (stat & 0xff) { 216 case 0x1: 217 case 0x2: 218 case 0x10: 219 case 0x11: 220 qla2x00_mbx_completion(vha, MSW(stat)); 221 status |= MBX_INTERRUPT; 222 223 /* Release mailbox registers. */ 224 WRT_REG_WORD(®->semaphore, 0); 225 break; 226 case 0x12: 227 mb[0] = MSW(stat); 228 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 229 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 230 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 231 qla2x00_async_event(vha, rsp, mb); 232 break; 233 case 0x13: 234 qla2x00_process_response_queue(rsp); 235 break; 236 case 0x15: 237 mb[0] = MBA_CMPLT_1_16BIT; 238 mb[1] = MSW(stat); 239 qla2x00_async_event(vha, rsp, mb); 240 break; 241 case 0x16: 242 mb[0] = MBA_SCSI_COMPLETION; 243 mb[1] = MSW(stat); 244 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 245 qla2x00_async_event(vha, rsp, mb); 246 break; 247 default: 248 ql_dbg(ql_dbg_async, vha, 0x5028, 249 "Unrecognized interrupt type (%d).\n", stat & 0xff); 250 break; 251 } 252 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 253 RD_REG_WORD_RELAXED(®->hccr); 254 } 255 qla2x00_handle_mbx_completion(ha, status); 256 spin_unlock_irqrestore(&ha->hardware_lock, flags); 257 258 return (IRQ_HANDLED); 259 } 260 261 /** 262 * qla2x00_mbx_completion() - Process mailbox command completions. 263 * @ha: SCSI driver HA context 264 * @mb0: Mailbox0 register 265 */ 266 static void 267 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 268 { 269 uint16_t cnt; 270 uint32_t mboxes; 271 uint16_t __iomem *wptr; 272 struct qla_hw_data *ha = vha->hw; 273 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 274 275 /* Read all mbox registers? */ 276 mboxes = (1 << ha->mbx_count) - 1; 277 if (!ha->mcp) 278 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); 279 else 280 mboxes = ha->mcp->in_mb; 281 282 /* Load return mailbox registers. */ 283 ha->flags.mbox_int = 1; 284 ha->mailbox_out[0] = mb0; 285 mboxes >>= 1; 286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); 287 288 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 289 if (IS_QLA2200(ha) && cnt == 8) 290 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); 291 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) 292 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); 293 else if (mboxes & BIT_0) 294 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 295 296 wptr++; 297 mboxes >>= 1; 298 } 299 } 300 301 static void 302 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) 303 { 304 static char *event[] = 305 { "Complete", "Request Notification", "Time Extension" }; 306 int rval; 307 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; 308 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; 309 uint16_t __iomem *wptr; 310 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; 311 312 /* Seed data -- mailbox1 -> mailbox7. */ 313 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) 314 wptr = (uint16_t __iomem *)®24->mailbox1; 315 else if (IS_QLA8044(vha->hw)) 316 wptr = (uint16_t __iomem *)®82->mailbox_out[1]; 317 else 318 return; 319 320 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) 321 mb[cnt] = RD_REG_WORD(wptr); 322 323 ql_dbg(ql_dbg_async, vha, 0x5021, 324 "Inter-Driver Communication %s -- " 325 "%04x %04x %04x %04x %04x %04x %04x.\n", 326 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], 327 mb[4], mb[5], mb[6]); 328 switch (aen) { 329 /* Handle IDC Error completion case. */ 330 case MBA_IDC_COMPLETE: 331 if (mb[1] >> 15) { 332 vha->hw->flags.idc_compl_status = 1; 333 if (vha->hw->notify_dcbx_comp && !vha->vp_idx) 334 complete(&vha->hw->dcbx_comp); 335 } 336 break; 337 338 case MBA_IDC_NOTIFY: 339 /* Acknowledgement needed? [Notify && non-zero timeout]. */ 340 timeout = (descr >> 8) & 0xf; 341 ql_dbg(ql_dbg_async, vha, 0x5022, 342 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", 343 vha->host_no, event[aen & 0xff], timeout); 344 345 if (!timeout) 346 return; 347 rval = qla2x00_post_idc_ack_work(vha, mb); 348 if (rval != QLA_SUCCESS) 349 ql_log(ql_log_warn, vha, 0x5023, 350 "IDC failed to post ACK.\n"); 351 break; 352 case MBA_IDC_TIME_EXT: 353 vha->hw->idc_extend_tmo = descr; 354 ql_dbg(ql_dbg_async, vha, 0x5087, 355 "%lu Inter-Driver Communication %s -- " 356 "Extend timeout by=%d.\n", 357 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); 358 break; 359 } 360 } 361 362 #define LS_UNKNOWN 2 363 const char * 364 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) 365 { 366 static const char *const link_speeds[] = { 367 "1", "2", "?", "4", "8", "16", "32", "10" 368 }; 369 #define QLA_LAST_SPEED 7 370 371 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 372 return link_speeds[0]; 373 else if (speed == 0x13) 374 return link_speeds[QLA_LAST_SPEED]; 375 else if (speed < QLA_LAST_SPEED) 376 return link_speeds[speed]; 377 else 378 return link_speeds[LS_UNKNOWN]; 379 } 380 381 static void 382 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 383 { 384 struct qla_hw_data *ha = vha->hw; 385 386 /* 387 * 8200 AEN Interpretation: 388 * mb[0] = AEN code 389 * mb[1] = AEN Reason code 390 * mb[2] = LSW of Peg-Halt Status-1 Register 391 * mb[6] = MSW of Peg-Halt Status-1 Register 392 * mb[3] = LSW of Peg-Halt Status-2 register 393 * mb[7] = MSW of Peg-Halt Status-2 register 394 * mb[4] = IDC Device-State Register value 395 * mb[5] = IDC Driver-Presence Register value 396 */ 397 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " 398 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", 399 mb[0], mb[1], mb[2], mb[6]); 400 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " 401 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " 402 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); 403 404 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | 405 IDC_HEARTBEAT_FAILURE)) { 406 ha->flags.nic_core_hung = 1; 407 ql_log(ql_log_warn, vha, 0x5060, 408 "83XX: F/W Error Reported: Check if reset required.\n"); 409 410 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { 411 uint32_t protocol_engine_id, fw_err_code, err_level; 412 413 /* 414 * IDC_PEG_HALT_STATUS_CHANGE interpretation: 415 * - PEG-Halt Status-1 Register: 416 * (LSW = mb[2], MSW = mb[6]) 417 * Bits 0-7 = protocol-engine ID 418 * Bits 8-28 = f/w error code 419 * Bits 29-31 = Error-level 420 * Error-level 0x1 = Non-Fatal error 421 * Error-level 0x2 = Recoverable Fatal error 422 * Error-level 0x4 = UnRecoverable Fatal error 423 * - PEG-Halt Status-2 Register: 424 * (LSW = mb[3], MSW = mb[7]) 425 */ 426 protocol_engine_id = (mb[2] & 0xff); 427 fw_err_code = (((mb[2] & 0xff00) >> 8) | 428 ((mb[6] & 0x1fff) << 8)); 429 err_level = ((mb[6] & 0xe000) >> 13); 430 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " 431 "Register: protocol_engine_id=0x%x " 432 "fw_err_code=0x%x err_level=0x%x.\n", 433 protocol_engine_id, fw_err_code, err_level); 434 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " 435 "Register: 0x%x%x.\n", mb[7], mb[3]); 436 if (err_level == ERR_LEVEL_NON_FATAL) { 437 ql_log(ql_log_warn, vha, 0x5063, 438 "Not a fatal error, f/w has recovered " 439 "iteself.\n"); 440 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { 441 ql_log(ql_log_fatal, vha, 0x5064, 442 "Recoverable Fatal error: Chip reset " 443 "required.\n"); 444 qla83xx_schedule_work(vha, 445 QLA83XX_NIC_CORE_RESET); 446 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { 447 ql_log(ql_log_fatal, vha, 0x5065, 448 "Unrecoverable Fatal error: Set FAILED " 449 "state, reboot required.\n"); 450 qla83xx_schedule_work(vha, 451 QLA83XX_NIC_CORE_UNRECOVERABLE); 452 } 453 } 454 455 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { 456 uint16_t peg_fw_state, nw_interface_link_up; 457 uint16_t nw_interface_signal_detect, sfp_status; 458 uint16_t htbt_counter, htbt_monitor_enable; 459 uint16_t sfp_additonal_info, sfp_multirate; 460 uint16_t sfp_tx_fault, link_speed, dcbx_status; 461 462 /* 463 * IDC_NIC_FW_REPORTED_FAILURE interpretation: 464 * - PEG-to-FC Status Register: 465 * (LSW = mb[2], MSW = mb[6]) 466 * Bits 0-7 = Peg-Firmware state 467 * Bit 8 = N/W Interface Link-up 468 * Bit 9 = N/W Interface signal detected 469 * Bits 10-11 = SFP Status 470 * SFP Status 0x0 = SFP+ transceiver not expected 471 * SFP Status 0x1 = SFP+ transceiver not present 472 * SFP Status 0x2 = SFP+ transceiver invalid 473 * SFP Status 0x3 = SFP+ transceiver present and 474 * valid 475 * Bits 12-14 = Heartbeat Counter 476 * Bit 15 = Heartbeat Monitor Enable 477 * Bits 16-17 = SFP Additional Info 478 * SFP info 0x0 = Unregocnized transceiver for 479 * Ethernet 480 * SFP info 0x1 = SFP+ brand validation failed 481 * SFP info 0x2 = SFP+ speed validation failed 482 * SFP info 0x3 = SFP+ access error 483 * Bit 18 = SFP Multirate 484 * Bit 19 = SFP Tx Fault 485 * Bits 20-22 = Link Speed 486 * Bits 23-27 = Reserved 487 * Bits 28-30 = DCBX Status 488 * DCBX Status 0x0 = DCBX Disabled 489 * DCBX Status 0x1 = DCBX Enabled 490 * DCBX Status 0x2 = DCBX Exchange error 491 * Bit 31 = Reserved 492 */ 493 peg_fw_state = (mb[2] & 0x00ff); 494 nw_interface_link_up = ((mb[2] & 0x0100) >> 8); 495 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); 496 sfp_status = ((mb[2] & 0x0c00) >> 10); 497 htbt_counter = ((mb[2] & 0x7000) >> 12); 498 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); 499 sfp_additonal_info = (mb[6] & 0x0003); 500 sfp_multirate = ((mb[6] & 0x0004) >> 2); 501 sfp_tx_fault = ((mb[6] & 0x0008) >> 3); 502 link_speed = ((mb[6] & 0x0070) >> 4); 503 dcbx_status = ((mb[6] & 0x7000) >> 12); 504 505 ql_log(ql_log_warn, vha, 0x5066, 506 "Peg-to-Fc Status Register:\n" 507 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " 508 "nw_interface_signal_detect=0x%x" 509 "\nsfp_statis=0x%x.\n ", peg_fw_state, 510 nw_interface_link_up, nw_interface_signal_detect, 511 sfp_status); 512 ql_log(ql_log_warn, vha, 0x5067, 513 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " 514 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ", 515 htbt_counter, htbt_monitor_enable, 516 sfp_additonal_info, sfp_multirate); 517 ql_log(ql_log_warn, vha, 0x5068, 518 "sfp_tx_fault=0x%x, link_state=0x%x, " 519 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, 520 dcbx_status); 521 522 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 523 } 524 525 if (mb[1] & IDC_HEARTBEAT_FAILURE) { 526 ql_log(ql_log_warn, vha, 0x5069, 527 "Heartbeat Failure encountered, chip reset " 528 "required.\n"); 529 530 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 531 } 532 } 533 534 if (mb[1] & IDC_DEVICE_STATE_CHANGE) { 535 ql_log(ql_log_info, vha, 0x506a, 536 "IDC Device-State changed = 0x%x.\n", mb[4]); 537 if (ha->flags.nic_core_reset_owner) 538 return; 539 qla83xx_schedule_work(vha, MBA_IDC_AEN); 540 } 541 } 542 543 int 544 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) 545 { 546 struct qla_hw_data *ha = vha->hw; 547 scsi_qla_host_t *vp; 548 uint32_t vp_did; 549 unsigned long flags; 550 int ret = 0; 551 552 if (!ha->num_vhosts) 553 return ret; 554 555 spin_lock_irqsave(&ha->vport_slock, flags); 556 list_for_each_entry(vp, &ha->vp_list, list) { 557 vp_did = vp->d_id.b24; 558 if (vp_did == rscn_entry) { 559 ret = 1; 560 break; 561 } 562 } 563 spin_unlock_irqrestore(&ha->vport_slock, flags); 564 565 return ret; 566 } 567 568 static inline fc_port_t * 569 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id) 570 { 571 fc_port_t *fcport; 572 573 list_for_each_entry(fcport, &vha->vp_fcports, list) 574 if (fcport->loop_id == loop_id) 575 return fcport; 576 return NULL; 577 } 578 579 /** 580 * qla2x00_async_event() - Process aynchronous events. 581 * @ha: SCSI driver HA context 582 * @mb: Mailbox registers (0 - 3) 583 */ 584 void 585 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 586 { 587 uint16_t handle_cnt; 588 uint16_t cnt, mbx; 589 uint32_t handles[5]; 590 struct qla_hw_data *ha = vha->hw; 591 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 592 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 593 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 594 uint32_t rscn_entry, host_pid; 595 unsigned long flags; 596 fc_port_t *fcport = NULL; 597 598 /* Setup to process RIO completion. */ 599 handle_cnt = 0; 600 if (IS_CNA_CAPABLE(ha)) 601 goto skip_rio; 602 switch (mb[0]) { 603 case MBA_SCSI_COMPLETION: 604 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 605 handle_cnt = 1; 606 break; 607 case MBA_CMPLT_1_16BIT: 608 handles[0] = mb[1]; 609 handle_cnt = 1; 610 mb[0] = MBA_SCSI_COMPLETION; 611 break; 612 case MBA_CMPLT_2_16BIT: 613 handles[0] = mb[1]; 614 handles[1] = mb[2]; 615 handle_cnt = 2; 616 mb[0] = MBA_SCSI_COMPLETION; 617 break; 618 case MBA_CMPLT_3_16BIT: 619 handles[0] = mb[1]; 620 handles[1] = mb[2]; 621 handles[2] = mb[3]; 622 handle_cnt = 3; 623 mb[0] = MBA_SCSI_COMPLETION; 624 break; 625 case MBA_CMPLT_4_16BIT: 626 handles[0] = mb[1]; 627 handles[1] = mb[2]; 628 handles[2] = mb[3]; 629 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 630 handle_cnt = 4; 631 mb[0] = MBA_SCSI_COMPLETION; 632 break; 633 case MBA_CMPLT_5_16BIT: 634 handles[0] = mb[1]; 635 handles[1] = mb[2]; 636 handles[2] = mb[3]; 637 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 638 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 639 handle_cnt = 5; 640 mb[0] = MBA_SCSI_COMPLETION; 641 break; 642 case MBA_CMPLT_2_32BIT: 643 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 644 handles[1] = le32_to_cpu( 645 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | 646 RD_MAILBOX_REG(ha, reg, 6)); 647 handle_cnt = 2; 648 mb[0] = MBA_SCSI_COMPLETION; 649 break; 650 default: 651 break; 652 } 653 skip_rio: 654 switch (mb[0]) { 655 case MBA_SCSI_COMPLETION: /* Fast Post */ 656 if (!vha->flags.online) 657 break; 658 659 for (cnt = 0; cnt < handle_cnt; cnt++) 660 qla2x00_process_completed_request(vha, rsp->req, 661 handles[cnt]); 662 break; 663 664 case MBA_RESET: /* Reset */ 665 ql_dbg(ql_dbg_async, vha, 0x5002, 666 "Asynchronous RESET.\n"); 667 668 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 669 break; 670 671 case MBA_SYSTEM_ERR: /* System Error */ 672 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ? 673 RD_REG_WORD(®24->mailbox7) : 0; 674 ql_log(ql_log_warn, vha, 0x5003, 675 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " 676 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); 677 678 ha->isp_ops->fw_dump(vha, 1); 679 680 if (IS_FWI2_CAPABLE(ha)) { 681 if (mb[1] == 0 && mb[2] == 0) { 682 ql_log(ql_log_fatal, vha, 0x5004, 683 "Unrecoverable Hardware Error: adapter " 684 "marked OFFLINE!\n"); 685 vha->flags.online = 0; 686 vha->device_flags |= DFLG_DEV_FAILED; 687 } else { 688 /* Check to see if MPI timeout occurred */ 689 if ((mbx & MBX_3) && (ha->port_no == 0)) 690 set_bit(MPI_RESET_NEEDED, 691 &vha->dpc_flags); 692 693 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 694 } 695 } else if (mb[1] == 0) { 696 ql_log(ql_log_fatal, vha, 0x5005, 697 "Unrecoverable Hardware Error: adapter marked " 698 "OFFLINE!\n"); 699 vha->flags.online = 0; 700 vha->device_flags |= DFLG_DEV_FAILED; 701 } else 702 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 703 break; 704 705 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 706 ql_log(ql_log_warn, vha, 0x5006, 707 "ISP Request Transfer Error (%x).\n", mb[1]); 708 709 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 710 break; 711 712 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 713 ql_log(ql_log_warn, vha, 0x5007, 714 "ISP Response Transfer Error (%x).\n", mb[1]); 715 716 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 717 break; 718 719 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 720 ql_dbg(ql_dbg_async, vha, 0x5008, 721 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); 722 break; 723 724 case MBA_LOOP_INIT_ERR: 725 ql_log(ql_log_warn, vha, 0x5090, 726 "LOOP INIT ERROR (%x).\n", mb[1]); 727 ha->isp_ops->fw_dump(vha, 1); 728 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 729 break; 730 731 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 732 ql_dbg(ql_dbg_async, vha, 0x5009, 733 "LIP occurred (%x).\n", mb[1]); 734 735 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 736 atomic_set(&vha->loop_state, LOOP_DOWN); 737 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 738 qla2x00_mark_all_devices_lost(vha, 1); 739 } 740 741 if (vha->vp_idx) { 742 atomic_set(&vha->vp_state, VP_FAILED); 743 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 744 } 745 746 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 747 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 748 749 vha->flags.management_server_logged_in = 0; 750 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 751 break; 752 753 case MBA_LOOP_UP: /* Loop Up Event */ 754 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 755 ha->link_data_rate = PORT_SPEED_1GB; 756 else 757 ha->link_data_rate = mb[1]; 758 759 ql_log(ql_log_info, vha, 0x500a, 760 "LOOP UP detected (%s Gbps).\n", 761 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 762 763 vha->flags.management_server_logged_in = 0; 764 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 765 break; 766 767 case MBA_LOOP_DOWN: /* Loop Down Event */ 768 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 769 ? RD_REG_WORD(®24->mailbox4) : 0; 770 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) 771 : mbx; 772 ql_log(ql_log_info, vha, 0x500b, 773 "LOOP DOWN detected (%x %x %x %x).\n", 774 mb[1], mb[2], mb[3], mbx); 775 776 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 777 atomic_set(&vha->loop_state, LOOP_DOWN); 778 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 779 /* 780 * In case of loop down, restore WWPN from 781 * NVRAM in case of FA-WWPN capable ISP 782 * Restore for Physical Port only 783 */ 784 if (!vha->vp_idx) { 785 if (ha->flags.fawwpn_enabled) { 786 void *wwpn = ha->init_cb->port_name; 787 memcpy(vha->port_name, wwpn, WWN_SIZE); 788 fc_host_port_name(vha->host) = 789 wwn_to_u64(vha->port_name); 790 ql_dbg(ql_dbg_init + ql_dbg_verbose, 791 vha, 0x0144, "LOOP DOWN detected," 792 "restore WWPN %016llx\n", 793 wwn_to_u64(vha->port_name)); 794 } 795 796 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 797 } 798 799 vha->device_flags |= DFLG_NO_CABLE; 800 qla2x00_mark_all_devices_lost(vha, 1); 801 } 802 803 if (vha->vp_idx) { 804 atomic_set(&vha->vp_state, VP_FAILED); 805 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 806 } 807 808 vha->flags.management_server_logged_in = 0; 809 ha->link_data_rate = PORT_SPEED_UNKNOWN; 810 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 811 break; 812 813 case MBA_LIP_RESET: /* LIP reset occurred */ 814 ql_dbg(ql_dbg_async, vha, 0x500c, 815 "LIP reset occurred (%x).\n", mb[1]); 816 817 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 818 atomic_set(&vha->loop_state, LOOP_DOWN); 819 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 820 qla2x00_mark_all_devices_lost(vha, 1); 821 } 822 823 if (vha->vp_idx) { 824 atomic_set(&vha->vp_state, VP_FAILED); 825 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 826 } 827 828 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 829 830 ha->operating_mode = LOOP; 831 vha->flags.management_server_logged_in = 0; 832 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 833 break; 834 835 /* case MBA_DCBX_COMPLETE: */ 836 case MBA_POINT_TO_POINT: /* Point-to-Point */ 837 if (IS_QLA2100(ha)) 838 break; 839 840 if (IS_CNA_CAPABLE(ha)) { 841 ql_dbg(ql_dbg_async, vha, 0x500d, 842 "DCBX Completed -- %04x %04x %04x.\n", 843 mb[1], mb[2], mb[3]); 844 if (ha->notify_dcbx_comp && !vha->vp_idx) 845 complete(&ha->dcbx_comp); 846 847 } else 848 ql_dbg(ql_dbg_async, vha, 0x500e, 849 "Asynchronous P2P MODE received.\n"); 850 851 /* 852 * Until there's a transition from loop down to loop up, treat 853 * this as loop down only. 854 */ 855 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 856 atomic_set(&vha->loop_state, LOOP_DOWN); 857 if (!atomic_read(&vha->loop_down_timer)) 858 atomic_set(&vha->loop_down_timer, 859 LOOP_DOWN_TIME); 860 qla2x00_mark_all_devices_lost(vha, 1); 861 } 862 863 if (vha->vp_idx) { 864 atomic_set(&vha->vp_state, VP_FAILED); 865 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 866 } 867 868 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 869 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 870 871 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 872 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 873 874 ha->flags.gpsc_supported = 1; 875 vha->flags.management_server_logged_in = 0; 876 break; 877 878 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 879 if (IS_QLA2100(ha)) 880 break; 881 882 ql_dbg(ql_dbg_async, vha, 0x500f, 883 "Configuration change detected: value=%x.\n", mb[1]); 884 885 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 886 atomic_set(&vha->loop_state, LOOP_DOWN); 887 if (!atomic_read(&vha->loop_down_timer)) 888 atomic_set(&vha->loop_down_timer, 889 LOOP_DOWN_TIME); 890 qla2x00_mark_all_devices_lost(vha, 1); 891 } 892 893 if (vha->vp_idx) { 894 atomic_set(&vha->vp_state, VP_FAILED); 895 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 896 } 897 898 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 899 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 900 break; 901 902 case MBA_PORT_UPDATE: /* Port database update */ 903 /* 904 * Handle only global and vn-port update events 905 * 906 * Relevant inputs: 907 * mb[1] = N_Port handle of changed port 908 * OR 0xffff for global event 909 * mb[2] = New login state 910 * 7 = Port logged out 911 * mb[3] = LSB is vp_idx, 0xff = all vps 912 * 913 * Skip processing if: 914 * Event is global, vp_idx is NOT all vps, 915 * vp_idx does not match 916 * Event is not global, vp_idx does not match 917 */ 918 if (IS_QLA2XXX_MIDTYPE(ha) && 919 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 920 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 921 break; 922 923 if (mb[2] == 0x7) { 924 ql_dbg(ql_dbg_async, vha, 0x5010, 925 "Port %s %04x %04x %04x.\n", 926 mb[1] == 0xffff ? "unavailable" : "logout", 927 mb[1], mb[2], mb[3]); 928 929 if (mb[1] == 0xffff) 930 goto global_port_update; 931 932 /* Port logout */ 933 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); 934 if (!fcport) 935 break; 936 if (atomic_read(&fcport->state) != FCS_ONLINE) 937 break; 938 ql_dbg(ql_dbg_async, vha, 0x508a, 939 "Marking port lost loopid=%04x portid=%06x.\n", 940 fcport->loop_id, fcport->d_id.b24); 941 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 942 break; 943 944 global_port_update: 945 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 946 atomic_set(&vha->loop_state, LOOP_DOWN); 947 atomic_set(&vha->loop_down_timer, 948 LOOP_DOWN_TIME); 949 vha->device_flags |= DFLG_NO_CABLE; 950 qla2x00_mark_all_devices_lost(vha, 1); 951 } 952 953 if (vha->vp_idx) { 954 atomic_set(&vha->vp_state, VP_FAILED); 955 fc_vport_set_state(vha->fc_vport, 956 FC_VPORT_FAILED); 957 qla2x00_mark_all_devices_lost(vha, 1); 958 } 959 960 vha->flags.management_server_logged_in = 0; 961 ha->link_data_rate = PORT_SPEED_UNKNOWN; 962 break; 963 } 964 965 /* 966 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 967 * event etc. earlier indicating loop is down) then process 968 * it. Otherwise ignore it and Wait for RSCN to come in. 969 */ 970 atomic_set(&vha->loop_down_timer, 0); 971 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 972 atomic_read(&vha->loop_state) != LOOP_DEAD) { 973 ql_dbg(ql_dbg_async, vha, 0x5011, 974 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 975 mb[1], mb[2], mb[3]); 976 977 qlt_async_event(mb[0], vha, mb); 978 break; 979 } 980 981 ql_dbg(ql_dbg_async, vha, 0x5012, 982 "Port database changed %04x %04x %04x.\n", 983 mb[1], mb[2], mb[3]); 984 985 /* 986 * Mark all devices as missing so we will login again. 987 */ 988 atomic_set(&vha->loop_state, LOOP_UP); 989 990 qla2x00_mark_all_devices_lost(vha, 1); 991 992 if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha)) 993 set_bit(SCR_PENDING, &vha->dpc_flags); 994 995 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 996 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 997 set_bit(VP_CONFIG_OK, &vha->vp_flags); 998 999 qlt_async_event(mb[0], vha, mb); 1000 break; 1001 1002 case MBA_RSCN_UPDATE: /* State Change Registration */ 1003 /* Check if the Vport has issued a SCR */ 1004 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 1005 break; 1006 /* Only handle SCNs for our Vport index. */ 1007 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 1008 break; 1009 1010 ql_dbg(ql_dbg_async, vha, 0x5013, 1011 "RSCN database changed -- %04x %04x %04x.\n", 1012 mb[1], mb[2], mb[3]); 1013 1014 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 1015 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 1016 | vha->d_id.b.al_pa; 1017 if (rscn_entry == host_pid) { 1018 ql_dbg(ql_dbg_async, vha, 0x5014, 1019 "Ignoring RSCN update to local host " 1020 "port ID (%06x).\n", host_pid); 1021 break; 1022 } 1023 1024 /* Ignore reserved bits from RSCN-payload. */ 1025 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 1026 1027 /* Skip RSCNs for virtual ports on the same physical port */ 1028 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 1029 break; 1030 1031 /* 1032 * Search for the rport related to this RSCN entry and mark it 1033 * as lost. 1034 */ 1035 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1036 if (atomic_read(&fcport->state) != FCS_ONLINE) 1037 continue; 1038 if (fcport->d_id.b24 == rscn_entry) { 1039 qla2x00_mark_device_lost(vha, fcport, 0, 0); 1040 break; 1041 } 1042 } 1043 1044 atomic_set(&vha->loop_down_timer, 0); 1045 vha->flags.management_server_logged_in = 0; 1046 1047 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1048 set_bit(RSCN_UPDATE, &vha->dpc_flags); 1049 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1050 break; 1051 1052 /* case MBA_RIO_RESPONSE: */ 1053 case MBA_ZIO_RESPONSE: 1054 ql_dbg(ql_dbg_async, vha, 0x5015, 1055 "[R|Z]IO update completion.\n"); 1056 1057 if (IS_FWI2_CAPABLE(ha)) 1058 qla24xx_process_response_queue(vha, rsp); 1059 else 1060 qla2x00_process_response_queue(rsp); 1061 break; 1062 1063 case MBA_DISCARD_RND_FRAME: 1064 ql_dbg(ql_dbg_async, vha, 0x5016, 1065 "Discard RND Frame -- %04x %04x %04x.\n", 1066 mb[1], mb[2], mb[3]); 1067 break; 1068 1069 case MBA_TRACE_NOTIFICATION: 1070 ql_dbg(ql_dbg_async, vha, 0x5017, 1071 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1072 break; 1073 1074 case MBA_ISP84XX_ALERT: 1075 ql_dbg(ql_dbg_async, vha, 0x5018, 1076 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1077 mb[1], mb[2], mb[3]); 1078 1079 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1080 switch (mb[1]) { 1081 case A84_PANIC_RECOVERY: 1082 ql_log(ql_log_info, vha, 0x5019, 1083 "Alert 84XX: panic recovery %04x %04x.\n", 1084 mb[2], mb[3]); 1085 break; 1086 case A84_OP_LOGIN_COMPLETE: 1087 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1088 ql_log(ql_log_info, vha, 0x501a, 1089 "Alert 84XX: firmware version %x.\n", 1090 ha->cs84xx->op_fw_version); 1091 break; 1092 case A84_DIAG_LOGIN_COMPLETE: 1093 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1094 ql_log(ql_log_info, vha, 0x501b, 1095 "Alert 84XX: diagnostic firmware version %x.\n", 1096 ha->cs84xx->diag_fw_version); 1097 break; 1098 case A84_GOLD_LOGIN_COMPLETE: 1099 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1100 ha->cs84xx->fw_update = 1; 1101 ql_log(ql_log_info, vha, 0x501c, 1102 "Alert 84XX: gold firmware version %x.\n", 1103 ha->cs84xx->gold_fw_version); 1104 break; 1105 default: 1106 ql_log(ql_log_warn, vha, 0x501d, 1107 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1108 mb[1], mb[2], mb[3]); 1109 } 1110 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1111 break; 1112 case MBA_DCBX_START: 1113 ql_dbg(ql_dbg_async, vha, 0x501e, 1114 "DCBX Started -- %04x %04x %04x.\n", 1115 mb[1], mb[2], mb[3]); 1116 break; 1117 case MBA_DCBX_PARAM_UPDATE: 1118 ql_dbg(ql_dbg_async, vha, 0x501f, 1119 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1120 mb[1], mb[2], mb[3]); 1121 break; 1122 case MBA_FCF_CONF_ERR: 1123 ql_dbg(ql_dbg_async, vha, 0x5020, 1124 "FCF Configuration Error -- %04x %04x %04x.\n", 1125 mb[1], mb[2], mb[3]); 1126 break; 1127 case MBA_IDC_NOTIFY: 1128 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1129 mb[4] = RD_REG_WORD(®24->mailbox4); 1130 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1131 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1132 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1133 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1134 /* 1135 * Extend loop down timer since port is active. 1136 */ 1137 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1138 atomic_set(&vha->loop_down_timer, 1139 LOOP_DOWN_TIME); 1140 qla2xxx_wake_dpc(vha); 1141 } 1142 } 1143 case MBA_IDC_COMPLETE: 1144 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1145 complete(&ha->lb_portup_comp); 1146 /* Fallthru */ 1147 case MBA_IDC_TIME_EXT: 1148 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1149 IS_QLA8044(ha)) 1150 qla81xx_idc_event(vha, mb[0], mb[1]); 1151 break; 1152 1153 case MBA_IDC_AEN: 1154 mb[4] = RD_REG_WORD(®24->mailbox4); 1155 mb[5] = RD_REG_WORD(®24->mailbox5); 1156 mb[6] = RD_REG_WORD(®24->mailbox6); 1157 mb[7] = RD_REG_WORD(®24->mailbox7); 1158 qla83xx_handle_8200_aen(vha, mb); 1159 break; 1160 1161 case MBA_DPORT_DIAGNOSTICS: 1162 ql_dbg(ql_dbg_async, vha, 0x5052, 1163 "D-Port Diagnostics: %04x result=%s\n", 1164 mb[0], 1165 mb[1] == 0 ? "start" : 1166 mb[1] == 1 ? "done (pass)" : 1167 mb[1] == 2 ? "done (error)" : "other"); 1168 break; 1169 1170 case MBA_TEMPERATURE_ALERT: 1171 ql_dbg(ql_dbg_async, vha, 0x505e, 1172 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); 1173 if (mb[1] == 0x12) 1174 schedule_work(&ha->board_disable); 1175 break; 1176 1177 default: 1178 ql_dbg(ql_dbg_async, vha, 0x5057, 1179 "Unknown AEN:%04x %04x %04x %04x\n", 1180 mb[0], mb[1], mb[2], mb[3]); 1181 } 1182 1183 qlt_async_event(mb[0], vha, mb); 1184 1185 if (!vha->vp_idx && ha->num_vhosts) 1186 qla2x00_alert_all_vps(rsp, mb); 1187 } 1188 1189 /** 1190 * qla2x00_process_completed_request() - Process a Fast Post response. 1191 * @ha: SCSI driver HA context 1192 * @index: SRB index 1193 */ 1194 void 1195 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1196 struct req_que *req, uint32_t index) 1197 { 1198 srb_t *sp; 1199 struct qla_hw_data *ha = vha->hw; 1200 1201 /* Validate handle. */ 1202 if (index >= req->num_outstanding_cmds) { 1203 ql_log(ql_log_warn, vha, 0x3014, 1204 "Invalid SCSI command index (%x).\n", index); 1205 1206 if (IS_P3P_TYPE(ha)) 1207 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1208 else 1209 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1210 return; 1211 } 1212 1213 sp = req->outstanding_cmds[index]; 1214 if (sp) { 1215 /* Free outstanding command slot. */ 1216 req->outstanding_cmds[index] = NULL; 1217 1218 /* Save ISP completion status */ 1219 sp->done(ha, sp, DID_OK << 16); 1220 } else { 1221 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1222 1223 if (IS_P3P_TYPE(ha)) 1224 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1225 else 1226 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1227 } 1228 } 1229 1230 srb_t * 1231 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1232 struct req_que *req, void *iocb) 1233 { 1234 struct qla_hw_data *ha = vha->hw; 1235 sts_entry_t *pkt = iocb; 1236 srb_t *sp = NULL; 1237 uint16_t index; 1238 1239 index = LSW(pkt->handle); 1240 if (index >= req->num_outstanding_cmds) { 1241 ql_log(ql_log_warn, vha, 0x5031, 1242 "Invalid command index (%x).\n", index); 1243 if (IS_P3P_TYPE(ha)) 1244 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1245 else 1246 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1247 goto done; 1248 } 1249 sp = req->outstanding_cmds[index]; 1250 if (!sp) { 1251 ql_log(ql_log_warn, vha, 0x5032, 1252 "Invalid completion handle (%x) -- timed-out.\n", index); 1253 return sp; 1254 } 1255 if (sp->handle != index) { 1256 ql_log(ql_log_warn, vha, 0x5033, 1257 "SRB handle (%x) mismatch %x.\n", sp->handle, index); 1258 return NULL; 1259 } 1260 1261 req->outstanding_cmds[index] = NULL; 1262 1263 done: 1264 return sp; 1265 } 1266 1267 static void 1268 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1269 struct mbx_entry *mbx) 1270 { 1271 const char func[] = "MBX-IOCB"; 1272 const char *type; 1273 fc_port_t *fcport; 1274 srb_t *sp; 1275 struct srb_iocb *lio; 1276 uint16_t *data; 1277 uint16_t status; 1278 1279 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1280 if (!sp) 1281 return; 1282 1283 lio = &sp->u.iocb_cmd; 1284 type = sp->name; 1285 fcport = sp->fcport; 1286 data = lio->u.logio.data; 1287 1288 data[0] = MBS_COMMAND_ERROR; 1289 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1290 QLA_LOGIO_LOGIN_RETRIED : 0; 1291 if (mbx->entry_status) { 1292 ql_dbg(ql_dbg_async, vha, 0x5043, 1293 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1294 "entry-status=%x status=%x state-flag=%x " 1295 "status-flags=%x.\n", type, sp->handle, 1296 fcport->d_id.b.domain, fcport->d_id.b.area, 1297 fcport->d_id.b.al_pa, mbx->entry_status, 1298 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1299 le16_to_cpu(mbx->status_flags)); 1300 1301 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1302 (uint8_t *)mbx, sizeof(*mbx)); 1303 1304 goto logio_done; 1305 } 1306 1307 status = le16_to_cpu(mbx->status); 1308 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1309 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1310 status = 0; 1311 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1312 ql_dbg(ql_dbg_async, vha, 0x5045, 1313 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1314 type, sp->handle, fcport->d_id.b.domain, 1315 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1316 le16_to_cpu(mbx->mb1)); 1317 1318 data[0] = MBS_COMMAND_COMPLETE; 1319 if (sp->type == SRB_LOGIN_CMD) { 1320 fcport->port_type = FCT_TARGET; 1321 if (le16_to_cpu(mbx->mb1) & BIT_0) 1322 fcport->port_type = FCT_INITIATOR; 1323 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1324 fcport->flags |= FCF_FCP2_DEVICE; 1325 } 1326 goto logio_done; 1327 } 1328 1329 data[0] = le16_to_cpu(mbx->mb0); 1330 switch (data[0]) { 1331 case MBS_PORT_ID_USED: 1332 data[1] = le16_to_cpu(mbx->mb1); 1333 break; 1334 case MBS_LOOP_ID_USED: 1335 break; 1336 default: 1337 data[0] = MBS_COMMAND_ERROR; 1338 break; 1339 } 1340 1341 ql_log(ql_log_warn, vha, 0x5046, 1342 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1343 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1344 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1345 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1346 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1347 le16_to_cpu(mbx->mb7)); 1348 1349 logio_done: 1350 sp->done(vha, sp, 0); 1351 } 1352 1353 static void 1354 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1355 sts_entry_t *pkt, int iocb_type) 1356 { 1357 const char func[] = "CT_IOCB"; 1358 const char *type; 1359 srb_t *sp; 1360 struct bsg_job *bsg_job; 1361 struct fc_bsg_reply *bsg_reply; 1362 uint16_t comp_status; 1363 int res; 1364 1365 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1366 if (!sp) 1367 return; 1368 1369 bsg_job = sp->u.bsg_job; 1370 bsg_reply = bsg_job->reply; 1371 1372 type = "ct pass-through"; 1373 1374 comp_status = le16_to_cpu(pkt->comp_status); 1375 1376 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1377 * fc payload to the caller 1378 */ 1379 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1380 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1381 1382 if (comp_status != CS_COMPLETE) { 1383 if (comp_status == CS_DATA_UNDERRUN) { 1384 res = DID_OK << 16; 1385 bsg_reply->reply_payload_rcv_len = 1386 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); 1387 1388 ql_log(ql_log_warn, vha, 0x5048, 1389 "CT pass-through-%s error " 1390 "comp_status-status=0x%x total_byte = 0x%x.\n", 1391 type, comp_status, 1392 bsg_reply->reply_payload_rcv_len); 1393 } else { 1394 ql_log(ql_log_warn, vha, 0x5049, 1395 "CT pass-through-%s error " 1396 "comp_status-status=0x%x.\n", type, comp_status); 1397 res = DID_ERROR << 16; 1398 bsg_reply->reply_payload_rcv_len = 0; 1399 } 1400 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 1401 (uint8_t *)pkt, sizeof(*pkt)); 1402 } else { 1403 res = DID_OK << 16; 1404 bsg_reply->reply_payload_rcv_len = 1405 bsg_job->reply_payload.payload_len; 1406 bsg_job->reply_len = 0; 1407 } 1408 1409 sp->done(vha, sp, res); 1410 } 1411 1412 static void 1413 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1414 struct sts_entry_24xx *pkt, int iocb_type) 1415 { 1416 const char func[] = "ELS_CT_IOCB"; 1417 const char *type; 1418 srb_t *sp; 1419 struct bsg_job *bsg_job; 1420 struct fc_bsg_reply *bsg_reply; 1421 uint16_t comp_status; 1422 uint32_t fw_status[3]; 1423 uint8_t* fw_sts_ptr; 1424 int res; 1425 1426 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1427 if (!sp) 1428 return; 1429 bsg_job = sp->u.bsg_job; 1430 bsg_reply = bsg_job->reply; 1431 1432 type = NULL; 1433 switch (sp->type) { 1434 case SRB_ELS_CMD_RPT: 1435 case SRB_ELS_CMD_HST: 1436 type = "els"; 1437 break; 1438 case SRB_CT_CMD: 1439 type = "ct pass-through"; 1440 break; 1441 case SRB_ELS_DCMD: 1442 type = "Driver ELS logo"; 1443 ql_dbg(ql_dbg_user, vha, 0x5047, 1444 "Completing %s: (%p) type=%d.\n", type, sp, sp->type); 1445 sp->done(vha, sp, 0); 1446 return; 1447 default: 1448 ql_dbg(ql_dbg_user, vha, 0x503e, 1449 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 1450 return; 1451 } 1452 1453 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 1454 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); 1455 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); 1456 1457 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1458 * fc payload to the caller 1459 */ 1460 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1461 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 1462 1463 if (comp_status != CS_COMPLETE) { 1464 if (comp_status == CS_DATA_UNDERRUN) { 1465 res = DID_OK << 16; 1466 bsg_reply->reply_payload_rcv_len = 1467 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); 1468 1469 ql_dbg(ql_dbg_user, vha, 0x503f, 1470 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1471 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 1472 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1473 le16_to_cpu(((struct els_sts_entry_24xx *) 1474 pkt)->total_byte_count)); 1475 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); 1476 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); 1477 } 1478 else { 1479 ql_dbg(ql_dbg_user, vha, 0x5040, 1480 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1481 "error subcode 1=0x%x error subcode 2=0x%x.\n", 1482 type, sp->handle, comp_status, 1483 le16_to_cpu(((struct els_sts_entry_24xx *) 1484 pkt)->error_subcode_1), 1485 le16_to_cpu(((struct els_sts_entry_24xx *) 1486 pkt)->error_subcode_2)); 1487 res = DID_ERROR << 16; 1488 bsg_reply->reply_payload_rcv_len = 0; 1489 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); 1490 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); 1491 } 1492 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 1493 (uint8_t *)pkt, sizeof(*pkt)); 1494 } 1495 else { 1496 res = DID_OK << 16; 1497 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 1498 bsg_job->reply_len = 0; 1499 } 1500 1501 sp->done(vha, sp, res); 1502 } 1503 1504 static void 1505 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 1506 struct logio_entry_24xx *logio) 1507 { 1508 const char func[] = "LOGIO-IOCB"; 1509 const char *type; 1510 fc_port_t *fcport; 1511 srb_t *sp; 1512 struct srb_iocb *lio; 1513 uint16_t *data; 1514 uint32_t iop[2]; 1515 1516 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 1517 if (!sp) 1518 return; 1519 1520 lio = &sp->u.iocb_cmd; 1521 type = sp->name; 1522 fcport = sp->fcport; 1523 data = lio->u.logio.data; 1524 1525 data[0] = MBS_COMMAND_ERROR; 1526 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1527 QLA_LOGIO_LOGIN_RETRIED : 0; 1528 if (logio->entry_status) { 1529 ql_log(ql_log_warn, fcport->vha, 0x5034, 1530 "Async-%s error entry - hdl=%x" 1531 "portid=%02x%02x%02x entry-status=%x.\n", 1532 type, sp->handle, fcport->d_id.b.domain, 1533 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1534 logio->entry_status); 1535 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 1536 (uint8_t *)logio, sizeof(*logio)); 1537 1538 goto logio_done; 1539 } 1540 1541 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 1542 ql_dbg(ql_dbg_async, fcport->vha, 0x5036, 1543 "Async-%s complete - hdl=%x portid=%02x%02x%02x " 1544 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain, 1545 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1546 le32_to_cpu(logio->io_parameter[0])); 1547 1548 data[0] = MBS_COMMAND_COMPLETE; 1549 if (sp->type != SRB_LOGIN_CMD) 1550 goto logio_done; 1551 1552 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1553 if (iop[0] & BIT_4) { 1554 fcport->port_type = FCT_TARGET; 1555 if (iop[0] & BIT_8) 1556 fcport->flags |= FCF_FCP2_DEVICE; 1557 } else if (iop[0] & BIT_5) 1558 fcport->port_type = FCT_INITIATOR; 1559 1560 if (iop[0] & BIT_7) 1561 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 1562 1563 if (logio->io_parameter[7] || logio->io_parameter[8]) 1564 fcport->supported_classes |= FC_COS_CLASS2; 1565 if (logio->io_parameter[9] || logio->io_parameter[10]) 1566 fcport->supported_classes |= FC_COS_CLASS3; 1567 1568 goto logio_done; 1569 } 1570 1571 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1572 iop[1] = le32_to_cpu(logio->io_parameter[1]); 1573 switch (iop[0]) { 1574 case LSC_SCODE_PORTID_USED: 1575 data[0] = MBS_PORT_ID_USED; 1576 data[1] = LSW(iop[1]); 1577 break; 1578 case LSC_SCODE_NPORT_USED: 1579 data[0] = MBS_LOOP_ID_USED; 1580 break; 1581 default: 1582 data[0] = MBS_COMMAND_ERROR; 1583 break; 1584 } 1585 1586 ql_dbg(ql_dbg_async, fcport->vha, 0x5037, 1587 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x " 1588 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain, 1589 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1590 le16_to_cpu(logio->comp_status), 1591 le32_to_cpu(logio->io_parameter[0]), 1592 le32_to_cpu(logio->io_parameter[1])); 1593 1594 logio_done: 1595 sp->done(vha, sp, 0); 1596 } 1597 1598 static void 1599 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 1600 { 1601 const char func[] = "TMF-IOCB"; 1602 const char *type; 1603 fc_port_t *fcport; 1604 srb_t *sp; 1605 struct srb_iocb *iocb; 1606 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1607 1608 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1609 if (!sp) 1610 return; 1611 1612 iocb = &sp->u.iocb_cmd; 1613 type = sp->name; 1614 fcport = sp->fcport; 1615 iocb->u.tmf.data = QLA_SUCCESS; 1616 1617 if (sts->entry_status) { 1618 ql_log(ql_log_warn, fcport->vha, 0x5038, 1619 "Async-%s error - hdl=%x entry-status(%x).\n", 1620 type, sp->handle, sts->entry_status); 1621 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1622 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 1623 ql_log(ql_log_warn, fcport->vha, 0x5039, 1624 "Async-%s error - hdl=%x completion status(%x).\n", 1625 type, sp->handle, sts->comp_status); 1626 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1627 } else if ((le16_to_cpu(sts->scsi_status) & 1628 SS_RESPONSE_INFO_LEN_VALID)) { 1629 if (le32_to_cpu(sts->rsp_data_len) < 4) { 1630 ql_log(ql_log_warn, fcport->vha, 0x503b, 1631 "Async-%s error - hdl=%x not enough response(%d).\n", 1632 type, sp->handle, sts->rsp_data_len); 1633 } else if (sts->data[3]) { 1634 ql_log(ql_log_warn, fcport->vha, 0x503c, 1635 "Async-%s error - hdl=%x response(%x).\n", 1636 type, sp->handle, sts->data[3]); 1637 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1638 } 1639 } 1640 1641 if (iocb->u.tmf.data != QLA_SUCCESS) 1642 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, 1643 (uint8_t *)sts, sizeof(*sts)); 1644 1645 sp->done(vha, sp, 0); 1646 } 1647 1648 /** 1649 * qla2x00_process_response_queue() - Process response queue entries. 1650 * @ha: SCSI driver HA context 1651 */ 1652 void 1653 qla2x00_process_response_queue(struct rsp_que *rsp) 1654 { 1655 struct scsi_qla_host *vha; 1656 struct qla_hw_data *ha = rsp->hw; 1657 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1658 sts_entry_t *pkt; 1659 uint16_t handle_cnt; 1660 uint16_t cnt; 1661 1662 vha = pci_get_drvdata(ha->pdev); 1663 1664 if (!vha->flags.online) 1665 return; 1666 1667 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 1668 pkt = (sts_entry_t *)rsp->ring_ptr; 1669 1670 rsp->ring_index++; 1671 if (rsp->ring_index == rsp->length) { 1672 rsp->ring_index = 0; 1673 rsp->ring_ptr = rsp->ring; 1674 } else { 1675 rsp->ring_ptr++; 1676 } 1677 1678 if (pkt->entry_status != 0) { 1679 qla2x00_error_entry(vha, rsp, pkt); 1680 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 1681 wmb(); 1682 continue; 1683 } 1684 1685 switch (pkt->entry_type) { 1686 case STATUS_TYPE: 1687 qla2x00_status_entry(vha, rsp, pkt); 1688 break; 1689 case STATUS_TYPE_21: 1690 handle_cnt = ((sts21_entry_t *)pkt)->handle_count; 1691 for (cnt = 0; cnt < handle_cnt; cnt++) { 1692 qla2x00_process_completed_request(vha, rsp->req, 1693 ((sts21_entry_t *)pkt)->handle[cnt]); 1694 } 1695 break; 1696 case STATUS_TYPE_22: 1697 handle_cnt = ((sts22_entry_t *)pkt)->handle_count; 1698 for (cnt = 0; cnt < handle_cnt; cnt++) { 1699 qla2x00_process_completed_request(vha, rsp->req, 1700 ((sts22_entry_t *)pkt)->handle[cnt]); 1701 } 1702 break; 1703 case STATUS_CONT_TYPE: 1704 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 1705 break; 1706 case MBX_IOCB_TYPE: 1707 qla2x00_mbx_iocb_entry(vha, rsp->req, 1708 (struct mbx_entry *)pkt); 1709 break; 1710 case CT_IOCB_TYPE: 1711 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 1712 break; 1713 default: 1714 /* Type Not Supported. */ 1715 ql_log(ql_log_warn, vha, 0x504a, 1716 "Received unknown response pkt type %x " 1717 "entry status=%x.\n", 1718 pkt->entry_type, pkt->entry_status); 1719 break; 1720 } 1721 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 1722 wmb(); 1723 } 1724 1725 /* Adjust ring index */ 1726 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 1727 } 1728 1729 static inline void 1730 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 1731 uint32_t sense_len, struct rsp_que *rsp, int res) 1732 { 1733 struct scsi_qla_host *vha = sp->fcport->vha; 1734 struct scsi_cmnd *cp = GET_CMD_SP(sp); 1735 uint32_t track_sense_len; 1736 1737 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 1738 sense_len = SCSI_SENSE_BUFFERSIZE; 1739 1740 SET_CMD_SENSE_LEN(sp, sense_len); 1741 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 1742 track_sense_len = sense_len; 1743 1744 if (sense_len > par_sense_len) 1745 sense_len = par_sense_len; 1746 1747 memcpy(cp->sense_buffer, sense_data, sense_len); 1748 1749 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 1750 track_sense_len -= sense_len; 1751 SET_CMD_SENSE_LEN(sp, track_sense_len); 1752 1753 if (track_sense_len != 0) { 1754 rsp->status_srb = sp; 1755 cp->result = res; 1756 } 1757 1758 if (sense_len) { 1759 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 1760 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 1761 sp->fcport->vha->host_no, cp->device->id, cp->device->lun, 1762 cp); 1763 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 1764 cp->sense_buffer, sense_len); 1765 } 1766 } 1767 1768 struct scsi_dif_tuple { 1769 __be16 guard; /* Checksum */ 1770 __be16 app_tag; /* APPL identifier */ 1771 __be32 ref_tag; /* Target LBA or indirect LBA */ 1772 }; 1773 1774 /* 1775 * Checks the guard or meta-data for the type of error 1776 * detected by the HBA. In case of errors, we set the 1777 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 1778 * to indicate to the kernel that the HBA detected error. 1779 */ 1780 static inline int 1781 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 1782 { 1783 struct scsi_qla_host *vha = sp->fcport->vha; 1784 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 1785 uint8_t *ap = &sts24->data[12]; 1786 uint8_t *ep = &sts24->data[20]; 1787 uint32_t e_ref_tag, a_ref_tag; 1788 uint16_t e_app_tag, a_app_tag; 1789 uint16_t e_guard, a_guard; 1790 1791 /* 1792 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 1793 * would make guard field appear at offset 2 1794 */ 1795 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); 1796 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); 1797 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); 1798 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); 1799 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); 1800 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); 1801 1802 ql_dbg(ql_dbg_io, vha, 0x3023, 1803 "iocb(s) %p Returned STATUS.\n", sts24); 1804 1805 ql_dbg(ql_dbg_io, vha, 0x3024, 1806 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 1807 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 1808 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 1809 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 1810 a_app_tag, e_app_tag, a_guard, e_guard); 1811 1812 /* 1813 * Ignore sector if: 1814 * For type 3: ref & app tag is all 'f's 1815 * For type 0,1,2: app tag is all 'f's 1816 */ 1817 if ((a_app_tag == 0xffff) && 1818 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 1819 (a_ref_tag == 0xffffffff))) { 1820 uint32_t blocks_done, resid; 1821 sector_t lba_s = scsi_get_lba(cmd); 1822 1823 /* 2TB boundary case covered automatically with this */ 1824 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 1825 1826 resid = scsi_bufflen(cmd) - (blocks_done * 1827 cmd->device->sector_size); 1828 1829 scsi_set_resid(cmd, resid); 1830 cmd->result = DID_OK << 16; 1831 1832 /* Update protection tag */ 1833 if (scsi_prot_sg_count(cmd)) { 1834 uint32_t i, j = 0, k = 0, num_ent; 1835 struct scatterlist *sg; 1836 struct t10_pi_tuple *spt; 1837 1838 /* Patch the corresponding protection tags */ 1839 scsi_for_each_prot_sg(cmd, sg, 1840 scsi_prot_sg_count(cmd), i) { 1841 num_ent = sg_dma_len(sg) / 8; 1842 if (k + num_ent < blocks_done) { 1843 k += num_ent; 1844 continue; 1845 } 1846 j = blocks_done - k - 1; 1847 k = blocks_done; 1848 break; 1849 } 1850 1851 if (k != blocks_done) { 1852 ql_log(ql_log_warn, vha, 0x302f, 1853 "unexpected tag values tag:lba=%x:%llx)\n", 1854 e_ref_tag, (unsigned long long)lba_s); 1855 return 1; 1856 } 1857 1858 spt = page_address(sg_page(sg)) + sg->offset; 1859 spt += j; 1860 1861 spt->app_tag = 0xffff; 1862 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 1863 spt->ref_tag = 0xffffffff; 1864 } 1865 1866 return 0; 1867 } 1868 1869 /* check guard */ 1870 if (e_guard != a_guard) { 1871 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 1872 0x10, 0x1); 1873 set_driver_byte(cmd, DRIVER_SENSE); 1874 set_host_byte(cmd, DID_ABORT); 1875 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 1876 return 1; 1877 } 1878 1879 /* check ref tag */ 1880 if (e_ref_tag != a_ref_tag) { 1881 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 1882 0x10, 0x3); 1883 set_driver_byte(cmd, DRIVER_SENSE); 1884 set_host_byte(cmd, DID_ABORT); 1885 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 1886 return 1; 1887 } 1888 1889 /* check appl tag */ 1890 if (e_app_tag != a_app_tag) { 1891 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 1892 0x10, 0x2); 1893 set_driver_byte(cmd, DRIVER_SENSE); 1894 set_host_byte(cmd, DID_ABORT); 1895 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 1896 return 1; 1897 } 1898 1899 return 1; 1900 } 1901 1902 static void 1903 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 1904 struct req_que *req, uint32_t index) 1905 { 1906 struct qla_hw_data *ha = vha->hw; 1907 srb_t *sp; 1908 uint16_t comp_status; 1909 uint16_t scsi_status; 1910 uint16_t thread_id; 1911 uint32_t rval = EXT_STATUS_OK; 1912 struct bsg_job *bsg_job = NULL; 1913 struct fc_bsg_request *bsg_request; 1914 struct fc_bsg_reply *bsg_reply; 1915 sts_entry_t *sts; 1916 struct sts_entry_24xx *sts24; 1917 sts = (sts_entry_t *) pkt; 1918 sts24 = (struct sts_entry_24xx *) pkt; 1919 1920 /* Validate handle. */ 1921 if (index >= req->num_outstanding_cmds) { 1922 ql_log(ql_log_warn, vha, 0x70af, 1923 "Invalid SCSI completion handle 0x%x.\n", index); 1924 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1925 return; 1926 } 1927 1928 sp = req->outstanding_cmds[index]; 1929 if (!sp) { 1930 ql_log(ql_log_warn, vha, 0x70b0, 1931 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 1932 req->id, index); 1933 1934 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1935 return; 1936 } 1937 1938 /* Free outstanding command slot. */ 1939 req->outstanding_cmds[index] = NULL; 1940 bsg_job = sp->u.bsg_job; 1941 bsg_request = bsg_job->request; 1942 bsg_reply = bsg_job->reply; 1943 1944 if (IS_FWI2_CAPABLE(ha)) { 1945 comp_status = le16_to_cpu(sts24->comp_status); 1946 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 1947 } else { 1948 comp_status = le16_to_cpu(sts->comp_status); 1949 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 1950 } 1951 1952 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 1953 switch (comp_status) { 1954 case CS_COMPLETE: 1955 if (scsi_status == 0) { 1956 bsg_reply->reply_payload_rcv_len = 1957 bsg_job->reply_payload.payload_len; 1958 vha->qla_stats.input_bytes += 1959 bsg_reply->reply_payload_rcv_len; 1960 vha->qla_stats.input_requests++; 1961 rval = EXT_STATUS_OK; 1962 } 1963 goto done; 1964 1965 case CS_DATA_OVERRUN: 1966 ql_dbg(ql_dbg_user, vha, 0x70b1, 1967 "Command completed with date overrun thread_id=%d\n", 1968 thread_id); 1969 rval = EXT_STATUS_DATA_OVERRUN; 1970 break; 1971 1972 case CS_DATA_UNDERRUN: 1973 ql_dbg(ql_dbg_user, vha, 0x70b2, 1974 "Command completed with date underrun thread_id=%d\n", 1975 thread_id); 1976 rval = EXT_STATUS_DATA_UNDERRUN; 1977 break; 1978 case CS_BIDIR_RD_OVERRUN: 1979 ql_dbg(ql_dbg_user, vha, 0x70b3, 1980 "Command completed with read data overrun thread_id=%d\n", 1981 thread_id); 1982 rval = EXT_STATUS_DATA_OVERRUN; 1983 break; 1984 1985 case CS_BIDIR_RD_WR_OVERRUN: 1986 ql_dbg(ql_dbg_user, vha, 0x70b4, 1987 "Command completed with read and write data overrun " 1988 "thread_id=%d\n", thread_id); 1989 rval = EXT_STATUS_DATA_OVERRUN; 1990 break; 1991 1992 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 1993 ql_dbg(ql_dbg_user, vha, 0x70b5, 1994 "Command completed with read data over and write data " 1995 "underrun thread_id=%d\n", thread_id); 1996 rval = EXT_STATUS_DATA_OVERRUN; 1997 break; 1998 1999 case CS_BIDIR_RD_UNDERRUN: 2000 ql_dbg(ql_dbg_user, vha, 0x70b6, 2001 "Command completed with read data data underrun " 2002 "thread_id=%d\n", thread_id); 2003 rval = EXT_STATUS_DATA_UNDERRUN; 2004 break; 2005 2006 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 2007 ql_dbg(ql_dbg_user, vha, 0x70b7, 2008 "Command completed with read data under and write data " 2009 "overrun thread_id=%d\n", thread_id); 2010 rval = EXT_STATUS_DATA_UNDERRUN; 2011 break; 2012 2013 case CS_BIDIR_RD_WR_UNDERRUN: 2014 ql_dbg(ql_dbg_user, vha, 0x70b8, 2015 "Command completed with read and write data underrun " 2016 "thread_id=%d\n", thread_id); 2017 rval = EXT_STATUS_DATA_UNDERRUN; 2018 break; 2019 2020 case CS_BIDIR_DMA: 2021 ql_dbg(ql_dbg_user, vha, 0x70b9, 2022 "Command completed with data DMA error thread_id=%d\n", 2023 thread_id); 2024 rval = EXT_STATUS_DMA_ERR; 2025 break; 2026 2027 case CS_TIMEOUT: 2028 ql_dbg(ql_dbg_user, vha, 0x70ba, 2029 "Command completed with timeout thread_id=%d\n", 2030 thread_id); 2031 rval = EXT_STATUS_TIMEOUT; 2032 break; 2033 default: 2034 ql_dbg(ql_dbg_user, vha, 0x70bb, 2035 "Command completed with completion status=0x%x " 2036 "thread_id=%d\n", comp_status, thread_id); 2037 rval = EXT_STATUS_ERR; 2038 break; 2039 } 2040 bsg_reply->reply_payload_rcv_len = 0; 2041 2042 done: 2043 /* Return the vendor specific reply to API */ 2044 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 2045 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2046 /* Always return DID_OK, bsg will send the vendor specific response 2047 * in this case only */ 2048 sp->done(vha, sp, (DID_OK << 6)); 2049 2050 } 2051 2052 /** 2053 * qla2x00_status_entry() - Process a Status IOCB entry. 2054 * @ha: SCSI driver HA context 2055 * @pkt: Entry pointer 2056 */ 2057 static void 2058 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2059 { 2060 srb_t *sp; 2061 fc_port_t *fcport; 2062 struct scsi_cmnd *cp; 2063 sts_entry_t *sts; 2064 struct sts_entry_24xx *sts24; 2065 uint16_t comp_status; 2066 uint16_t scsi_status; 2067 uint16_t ox_id; 2068 uint8_t lscsi_status; 2069 int32_t resid; 2070 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2071 fw_resid_len; 2072 uint8_t *rsp_info, *sense_data; 2073 struct qla_hw_data *ha = vha->hw; 2074 uint32_t handle; 2075 uint16_t que; 2076 struct req_que *req; 2077 int logit = 1; 2078 int res = 0; 2079 uint16_t state_flags = 0; 2080 uint16_t retry_delay = 0; 2081 2082 sts = (sts_entry_t *) pkt; 2083 sts24 = (struct sts_entry_24xx *) pkt; 2084 if (IS_FWI2_CAPABLE(ha)) { 2085 comp_status = le16_to_cpu(sts24->comp_status); 2086 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2087 state_flags = le16_to_cpu(sts24->state_flags); 2088 } else { 2089 comp_status = le16_to_cpu(sts->comp_status); 2090 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2091 } 2092 handle = (uint32_t) LSW(sts->handle); 2093 que = MSW(sts->handle); 2094 req = ha->req_q_map[que]; 2095 2096 /* Check for invalid queue pointer */ 2097 if (req == NULL || 2098 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 2099 ql_dbg(ql_dbg_io, vha, 0x3059, 2100 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 2101 "que=%u.\n", sts->handle, req, que); 2102 return; 2103 } 2104 2105 /* Validate handle. */ 2106 if (handle < req->num_outstanding_cmds) { 2107 sp = req->outstanding_cmds[handle]; 2108 if (!sp) { 2109 ql_dbg(ql_dbg_io, vha, 0x3075, 2110 "%s(%ld): Already returned command for status handle (0x%x).\n", 2111 __func__, vha->host_no, sts->handle); 2112 return; 2113 } 2114 } else { 2115 ql_dbg(ql_dbg_io, vha, 0x3017, 2116 "Invalid status handle, out of range (0x%x).\n", 2117 sts->handle); 2118 2119 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 2120 if (IS_P3P_TYPE(ha)) 2121 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2122 else 2123 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2124 qla2xxx_wake_dpc(vha); 2125 } 2126 return; 2127 } 2128 2129 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 2130 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 2131 return; 2132 } 2133 2134 /* Task Management completion. */ 2135 if (sp->type == SRB_TM_CMD) { 2136 qla24xx_tm_iocb_entry(vha, req, pkt); 2137 return; 2138 } 2139 2140 /* Fast path completion. */ 2141 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2142 qla2x00_process_completed_request(vha, req, handle); 2143 2144 return; 2145 } 2146 2147 req->outstanding_cmds[handle] = NULL; 2148 cp = GET_CMD_SP(sp); 2149 if (cp == NULL) { 2150 ql_dbg(ql_dbg_io, vha, 0x3018, 2151 "Command already returned (0x%x/%p).\n", 2152 sts->handle, sp); 2153 2154 return; 2155 } 2156 2157 lscsi_status = scsi_status & STATUS_MASK; 2158 2159 fcport = sp->fcport; 2160 2161 ox_id = 0; 2162 sense_len = par_sense_len = rsp_info_len = resid_len = 2163 fw_resid_len = 0; 2164 if (IS_FWI2_CAPABLE(ha)) { 2165 if (scsi_status & SS_SENSE_LEN_VALID) 2166 sense_len = le32_to_cpu(sts24->sense_len); 2167 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2168 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 2169 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 2170 resid_len = le32_to_cpu(sts24->rsp_residual_count); 2171 if (comp_status == CS_DATA_UNDERRUN) 2172 fw_resid_len = le32_to_cpu(sts24->residual_len); 2173 rsp_info = sts24->data; 2174 sense_data = sts24->data; 2175 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 2176 ox_id = le16_to_cpu(sts24->ox_id); 2177 par_sense_len = sizeof(sts24->data); 2178 /* Valid values of the retry delay timer are 0x1-0xffef */ 2179 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) 2180 retry_delay = sts24->retry_delay; 2181 } else { 2182 if (scsi_status & SS_SENSE_LEN_VALID) 2183 sense_len = le16_to_cpu(sts->req_sense_length); 2184 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2185 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 2186 resid_len = le32_to_cpu(sts->residual_length); 2187 rsp_info = sts->rsp_info; 2188 sense_data = sts->req_sense_data; 2189 par_sense_len = sizeof(sts->req_sense_data); 2190 } 2191 2192 /* Check for any FCP transport errors. */ 2193 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 2194 /* Sense data lies beyond any FCP RESPONSE data. */ 2195 if (IS_FWI2_CAPABLE(ha)) { 2196 sense_data += rsp_info_len; 2197 par_sense_len -= rsp_info_len; 2198 } 2199 if (rsp_info_len > 3 && rsp_info[3]) { 2200 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 2201 "FCP I/O protocol failure (0x%x/0x%x).\n", 2202 rsp_info_len, rsp_info[3]); 2203 2204 res = DID_BUS_BUSY << 16; 2205 goto out; 2206 } 2207 } 2208 2209 /* Check for overrun. */ 2210 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2211 scsi_status & SS_RESIDUAL_OVER) 2212 comp_status = CS_DATA_OVERRUN; 2213 2214 /* 2215 * Check retry_delay_timer value if we receive a busy or 2216 * queue full. 2217 */ 2218 if (lscsi_status == SAM_STAT_TASK_SET_FULL || 2219 lscsi_status == SAM_STAT_BUSY) 2220 qla2x00_set_retry_delay_timestamp(fcport, retry_delay); 2221 2222 /* 2223 * Based on Host and scsi status generate status code for Linux 2224 */ 2225 switch (comp_status) { 2226 case CS_COMPLETE: 2227 case CS_QUEUE_FULL: 2228 if (scsi_status == 0) { 2229 res = DID_OK << 16; 2230 break; 2231 } 2232 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2233 resid = resid_len; 2234 scsi_set_resid(cp, resid); 2235 2236 if (!lscsi_status && 2237 ((unsigned)(scsi_bufflen(cp) - resid) < 2238 cp->underflow)) { 2239 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2240 "Mid-layer underflow " 2241 "detected (0x%x of 0x%x bytes).\n", 2242 resid, scsi_bufflen(cp)); 2243 2244 res = DID_ERROR << 16; 2245 break; 2246 } 2247 } 2248 res = DID_OK << 16 | lscsi_status; 2249 2250 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2251 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2252 "QUEUE FULL detected.\n"); 2253 break; 2254 } 2255 logit = 0; 2256 if (lscsi_status != SS_CHECK_CONDITION) 2257 break; 2258 2259 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2260 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2261 break; 2262 2263 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2264 rsp, res); 2265 break; 2266 2267 case CS_DATA_UNDERRUN: 2268 /* Use F/W calculated residual length. */ 2269 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2270 scsi_set_resid(cp, resid); 2271 if (scsi_status & SS_RESIDUAL_UNDER) { 2272 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2273 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2274 "Dropped frame(s) detected " 2275 "(0x%x of 0x%x bytes).\n", 2276 resid, scsi_bufflen(cp)); 2277 2278 res = DID_ERROR << 16 | lscsi_status; 2279 goto check_scsi_status; 2280 } 2281 2282 if (!lscsi_status && 2283 ((unsigned)(scsi_bufflen(cp) - resid) < 2284 cp->underflow)) { 2285 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2286 "Mid-layer underflow " 2287 "detected (0x%x of 0x%x bytes).\n", 2288 resid, scsi_bufflen(cp)); 2289 2290 res = DID_ERROR << 16; 2291 break; 2292 } 2293 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2294 lscsi_status != SAM_STAT_BUSY) { 2295 /* 2296 * scsi status of task set and busy are considered to be 2297 * task not completed. 2298 */ 2299 2300 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2301 "Dropped frame(s) detected (0x%x " 2302 "of 0x%x bytes).\n", resid, 2303 scsi_bufflen(cp)); 2304 2305 res = DID_ERROR << 16 | lscsi_status; 2306 goto check_scsi_status; 2307 } else { 2308 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2309 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2310 scsi_status, lscsi_status); 2311 } 2312 2313 res = DID_OK << 16 | lscsi_status; 2314 logit = 0; 2315 2316 check_scsi_status: 2317 /* 2318 * Check to see if SCSI Status is non zero. If so report SCSI 2319 * Status. 2320 */ 2321 if (lscsi_status != 0) { 2322 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2323 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2324 "QUEUE FULL detected.\n"); 2325 logit = 1; 2326 break; 2327 } 2328 if (lscsi_status != SS_CHECK_CONDITION) 2329 break; 2330 2331 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2332 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2333 break; 2334 2335 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2336 sense_len, rsp, res); 2337 } 2338 break; 2339 2340 case CS_PORT_LOGGED_OUT: 2341 case CS_PORT_CONFIG_CHG: 2342 case CS_PORT_BUSY: 2343 case CS_INCOMPLETE: 2344 case CS_PORT_UNAVAILABLE: 2345 case CS_TIMEOUT: 2346 case CS_RESET: 2347 2348 /* 2349 * We are going to have the fc class block the rport 2350 * while we try to recover so instruct the mid layer 2351 * to requeue until the class decides how to handle this. 2352 */ 2353 res = DID_TRANSPORT_DISRUPTED << 16; 2354 2355 if (comp_status == CS_TIMEOUT) { 2356 if (IS_FWI2_CAPABLE(ha)) 2357 break; 2358 else if ((le16_to_cpu(sts->status_flags) & 2359 SF_LOGOUT_SENT) == 0) 2360 break; 2361 } 2362 2363 ql_dbg(ql_dbg_io, fcport->vha, 0x3021, 2364 "Port to be marked lost on fcport=%02x%02x%02x, current " 2365 "port state= %s.\n", fcport->d_id.b.domain, 2366 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2367 port_state_str[atomic_read(&fcport->state)]); 2368 2369 if (atomic_read(&fcport->state) == FCS_ONLINE) 2370 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 2371 break; 2372 2373 case CS_ABORTED: 2374 res = DID_RESET << 16; 2375 break; 2376 2377 case CS_DIF_ERROR: 2378 logit = qla2x00_handle_dif_error(sp, sts24); 2379 res = cp->result; 2380 break; 2381 2382 case CS_TRANSPORT: 2383 res = DID_ERROR << 16; 2384 2385 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2386 break; 2387 2388 if (state_flags & BIT_4) 2389 scmd_printk(KERN_WARNING, cp, 2390 "Unsupported device '%s' found.\n", 2391 cp->device->vendor); 2392 break; 2393 2394 default: 2395 res = DID_ERROR << 16; 2396 break; 2397 } 2398 2399 out: 2400 if (logit) 2401 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 2402 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 2403 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " 2404 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 2405 comp_status, scsi_status, res, vha->host_no, 2406 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 2407 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 2408 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2409 resid_len, fw_resid_len, sp, cp); 2410 2411 if (rsp->status_srb == NULL) 2412 sp->done(ha, sp, res); 2413 } 2414 2415 /** 2416 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 2417 * @ha: SCSI driver HA context 2418 * @pkt: Entry pointer 2419 * 2420 * Extended sense data. 2421 */ 2422 static void 2423 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2424 { 2425 uint8_t sense_sz = 0; 2426 struct qla_hw_data *ha = rsp->hw; 2427 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2428 srb_t *sp = rsp->status_srb; 2429 struct scsi_cmnd *cp; 2430 uint32_t sense_len; 2431 uint8_t *sense_ptr; 2432 2433 if (!sp || !GET_CMD_SENSE_LEN(sp)) 2434 return; 2435 2436 sense_len = GET_CMD_SENSE_LEN(sp); 2437 sense_ptr = GET_CMD_SENSE_PTR(sp); 2438 2439 cp = GET_CMD_SP(sp); 2440 if (cp == NULL) { 2441 ql_log(ql_log_warn, vha, 0x3025, 2442 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2443 2444 rsp->status_srb = NULL; 2445 return; 2446 } 2447 2448 if (sense_len > sizeof(pkt->data)) 2449 sense_sz = sizeof(pkt->data); 2450 else 2451 sense_sz = sense_len; 2452 2453 /* Move sense data. */ 2454 if (IS_FWI2_CAPABLE(ha)) 2455 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 2456 memcpy(sense_ptr, pkt->data, sense_sz); 2457 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 2458 sense_ptr, sense_sz); 2459 2460 sense_len -= sense_sz; 2461 sense_ptr += sense_sz; 2462 2463 SET_CMD_SENSE_PTR(sp, sense_ptr); 2464 SET_CMD_SENSE_LEN(sp, sense_len); 2465 2466 /* Place command on done queue. */ 2467 if (sense_len == 0) { 2468 rsp->status_srb = NULL; 2469 sp->done(ha, sp, cp->result); 2470 } 2471 } 2472 2473 /** 2474 * qla2x00_error_entry() - Process an error entry. 2475 * @ha: SCSI driver HA context 2476 * @pkt: Entry pointer 2477 */ 2478 static void 2479 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 2480 { 2481 srb_t *sp; 2482 struct qla_hw_data *ha = vha->hw; 2483 const char func[] = "ERROR-IOCB"; 2484 uint16_t que = MSW(pkt->handle); 2485 struct req_que *req = NULL; 2486 int res = DID_ERROR << 16; 2487 2488 ql_dbg(ql_dbg_async, vha, 0x502a, 2489 "type of error status in response: 0x%x\n", pkt->entry_status); 2490 2491 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 2492 goto fatal; 2493 2494 req = ha->req_q_map[que]; 2495 2496 if (pkt->entry_status & RF_BUSY) 2497 res = DID_BUS_BUSY << 16; 2498 2499 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2500 if (sp) { 2501 sp->done(ha, sp, res); 2502 return; 2503 } 2504 fatal: 2505 ql_log(ql_log_warn, vha, 0x5030, 2506 "Error entry - invalid handle/queue (%04x).\n", que); 2507 } 2508 2509 /** 2510 * qla24xx_mbx_completion() - Process mailbox command completions. 2511 * @ha: SCSI driver HA context 2512 * @mb0: Mailbox0 register 2513 */ 2514 static void 2515 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2516 { 2517 uint16_t cnt; 2518 uint32_t mboxes; 2519 uint16_t __iomem *wptr; 2520 struct qla_hw_data *ha = vha->hw; 2521 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2522 2523 /* Read all mbox registers? */ 2524 mboxes = (1 << ha->mbx_count) - 1; 2525 if (!ha->mcp) 2526 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 2527 else 2528 mboxes = ha->mcp->in_mb; 2529 2530 /* Load return mailbox registers. */ 2531 ha->flags.mbox_int = 1; 2532 ha->mailbox_out[0] = mb0; 2533 mboxes >>= 1; 2534 wptr = (uint16_t __iomem *)®->mailbox1; 2535 2536 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2537 if (mboxes & BIT_0) 2538 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2539 2540 mboxes >>= 1; 2541 wptr++; 2542 } 2543 } 2544 2545 static void 2546 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2547 struct abort_entry_24xx *pkt) 2548 { 2549 const char func[] = "ABT_IOCB"; 2550 srb_t *sp; 2551 struct srb_iocb *abt; 2552 2553 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2554 if (!sp) 2555 return; 2556 2557 abt = &sp->u.iocb_cmd; 2558 abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle); 2559 sp->done(vha, sp, 0); 2560 } 2561 2562 /** 2563 * qla24xx_process_response_queue() - Process response queue entries. 2564 * @ha: SCSI driver HA context 2565 */ 2566 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 2567 struct rsp_que *rsp) 2568 { 2569 struct sts_entry_24xx *pkt; 2570 struct qla_hw_data *ha = vha->hw; 2571 2572 if (!vha->flags.online) 2573 return; 2574 2575 if (rsp->msix && rsp->msix->cpuid != smp_processor_id()) { 2576 /* if kernel does not notify qla of IRQ's CPU change, 2577 * then set it here. 2578 */ 2579 rsp->msix->cpuid = smp_processor_id(); 2580 ha->tgt.rspq_vector_cpuid = rsp->msix->cpuid; 2581 } 2582 2583 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2584 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 2585 2586 rsp->ring_index++; 2587 if (rsp->ring_index == rsp->length) { 2588 rsp->ring_index = 0; 2589 rsp->ring_ptr = rsp->ring; 2590 } else { 2591 rsp->ring_ptr++; 2592 } 2593 2594 if (pkt->entry_status != 0) { 2595 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); 2596 2597 if (qlt_24xx_process_response_error(vha, pkt)) 2598 goto process_err; 2599 2600 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2601 wmb(); 2602 continue; 2603 } 2604 process_err: 2605 2606 switch (pkt->entry_type) { 2607 case STATUS_TYPE: 2608 qla2x00_status_entry(vha, rsp, pkt); 2609 break; 2610 case STATUS_CONT_TYPE: 2611 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2612 break; 2613 case VP_RPT_ID_IOCB_TYPE: 2614 qla24xx_report_id_acquisition(vha, 2615 (struct vp_rpt_id_entry_24xx *)pkt); 2616 break; 2617 case LOGINOUT_PORT_IOCB_TYPE: 2618 qla24xx_logio_entry(vha, rsp->req, 2619 (struct logio_entry_24xx *)pkt); 2620 break; 2621 case CT_IOCB_TYPE: 2622 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2623 break; 2624 case ELS_IOCB_TYPE: 2625 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 2626 break; 2627 case ABTS_RECV_24XX: 2628 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 2629 /* ensure that the ATIO queue is empty */ 2630 qlt_handle_abts_recv(vha, (response_t *)pkt); 2631 break; 2632 } else { 2633 /* drop through */ 2634 qlt_24xx_process_atio_queue(vha, 1); 2635 } 2636 case ABTS_RESP_24XX: 2637 case CTIO_TYPE7: 2638 case NOTIFY_ACK_TYPE: 2639 case CTIO_CRC2: 2640 qlt_response_pkt_all_vps(vha, (response_t *)pkt); 2641 break; 2642 case MARKER_TYPE: 2643 /* Do nothing in this case, this check is to prevent it 2644 * from falling into default case 2645 */ 2646 break; 2647 case ABORT_IOCB_TYPE: 2648 qla24xx_abort_iocb_entry(vha, rsp->req, 2649 (struct abort_entry_24xx *)pkt); 2650 break; 2651 default: 2652 /* Type Not Supported. */ 2653 ql_dbg(ql_dbg_async, vha, 0x5042, 2654 "Received unknown response pkt type %x " 2655 "entry status=%x.\n", 2656 pkt->entry_type, pkt->entry_status); 2657 break; 2658 } 2659 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2660 wmb(); 2661 } 2662 2663 /* Adjust ring index */ 2664 if (IS_P3P_TYPE(ha)) { 2665 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 2666 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 2667 } else 2668 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 2669 } 2670 2671 static void 2672 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 2673 { 2674 int rval; 2675 uint32_t cnt; 2676 struct qla_hw_data *ha = vha->hw; 2677 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2678 2679 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 2680 !IS_QLA27XX(ha)) 2681 return; 2682 2683 rval = QLA_SUCCESS; 2684 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 2685 RD_REG_DWORD(®->iobase_addr); 2686 WRT_REG_DWORD(®->iobase_window, 0x0001); 2687 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 2688 rval == QLA_SUCCESS; cnt--) { 2689 if (cnt) { 2690 WRT_REG_DWORD(®->iobase_window, 0x0001); 2691 udelay(10); 2692 } else 2693 rval = QLA_FUNCTION_TIMEOUT; 2694 } 2695 if (rval == QLA_SUCCESS) 2696 goto next_test; 2697 2698 rval = QLA_SUCCESS; 2699 WRT_REG_DWORD(®->iobase_window, 0x0003); 2700 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 2701 rval == QLA_SUCCESS; cnt--) { 2702 if (cnt) { 2703 WRT_REG_DWORD(®->iobase_window, 0x0003); 2704 udelay(10); 2705 } else 2706 rval = QLA_FUNCTION_TIMEOUT; 2707 } 2708 if (rval != QLA_SUCCESS) 2709 goto done; 2710 2711 next_test: 2712 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 2713 ql_log(ql_log_info, vha, 0x504c, 2714 "Additional code -- 0x55AA.\n"); 2715 2716 done: 2717 WRT_REG_DWORD(®->iobase_window, 0x0000); 2718 RD_REG_DWORD(®->iobase_window); 2719 } 2720 2721 /** 2722 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 2723 * @irq: 2724 * @dev_id: SCSI driver HA context 2725 * 2726 * Called by system whenever the host adapter generates an interrupt. 2727 * 2728 * Returns handled flag. 2729 */ 2730 irqreturn_t 2731 qla24xx_intr_handler(int irq, void *dev_id) 2732 { 2733 scsi_qla_host_t *vha; 2734 struct qla_hw_data *ha; 2735 struct device_reg_24xx __iomem *reg; 2736 int status; 2737 unsigned long iter; 2738 uint32_t stat; 2739 uint32_t hccr; 2740 uint16_t mb[8]; 2741 struct rsp_que *rsp; 2742 unsigned long flags; 2743 2744 rsp = (struct rsp_que *) dev_id; 2745 if (!rsp) { 2746 ql_log(ql_log_info, NULL, 0x5059, 2747 "%s: NULL response queue pointer.\n", __func__); 2748 return IRQ_NONE; 2749 } 2750 2751 ha = rsp->hw; 2752 reg = &ha->iobase->isp24; 2753 status = 0; 2754 2755 if (unlikely(pci_channel_offline(ha->pdev))) 2756 return IRQ_HANDLED; 2757 2758 spin_lock_irqsave(&ha->hardware_lock, flags); 2759 vha = pci_get_drvdata(ha->pdev); 2760 for (iter = 50; iter--; ) { 2761 stat = RD_REG_DWORD(®->host_status); 2762 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 2763 break; 2764 if (stat & HSRX_RISC_PAUSED) { 2765 if (unlikely(pci_channel_offline(ha->pdev))) 2766 break; 2767 2768 hccr = RD_REG_DWORD(®->hccr); 2769 2770 ql_log(ql_log_warn, vha, 0x504b, 2771 "RISC paused -- HCCR=%x, Dumping firmware.\n", 2772 hccr); 2773 2774 qla2xxx_check_risc_status(vha); 2775 2776 ha->isp_ops->fw_dump(vha, 1); 2777 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2778 break; 2779 } else if ((stat & HSRX_RISC_INT) == 0) 2780 break; 2781 2782 switch (stat & 0xff) { 2783 case INTR_ROM_MB_SUCCESS: 2784 case INTR_ROM_MB_FAILED: 2785 case INTR_MB_SUCCESS: 2786 case INTR_MB_FAILED: 2787 qla24xx_mbx_completion(vha, MSW(stat)); 2788 status |= MBX_INTERRUPT; 2789 2790 break; 2791 case INTR_ASYNC_EVENT: 2792 mb[0] = MSW(stat); 2793 mb[1] = RD_REG_WORD(®->mailbox1); 2794 mb[2] = RD_REG_WORD(®->mailbox2); 2795 mb[3] = RD_REG_WORD(®->mailbox3); 2796 qla2x00_async_event(vha, rsp, mb); 2797 break; 2798 case INTR_RSP_QUE_UPDATE: 2799 case INTR_RSP_QUE_UPDATE_83XX: 2800 qla24xx_process_response_queue(vha, rsp); 2801 break; 2802 case INTR_ATIO_QUE_UPDATE:{ 2803 unsigned long flags2; 2804 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 2805 qlt_24xx_process_atio_queue(vha, 1); 2806 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 2807 break; 2808 } 2809 case INTR_ATIO_RSP_QUE_UPDATE: { 2810 unsigned long flags2; 2811 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 2812 qlt_24xx_process_atio_queue(vha, 1); 2813 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 2814 2815 qla24xx_process_response_queue(vha, rsp); 2816 break; 2817 } 2818 default: 2819 ql_dbg(ql_dbg_async, vha, 0x504f, 2820 "Unrecognized interrupt type (%d).\n", stat * 0xff); 2821 break; 2822 } 2823 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2824 RD_REG_DWORD_RELAXED(®->hccr); 2825 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 2826 ndelay(3500); 2827 } 2828 qla2x00_handle_mbx_completion(ha, status); 2829 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2830 2831 return IRQ_HANDLED; 2832 } 2833 2834 static irqreturn_t 2835 qla24xx_msix_rsp_q(int irq, void *dev_id) 2836 { 2837 struct qla_hw_data *ha; 2838 struct rsp_que *rsp; 2839 struct device_reg_24xx __iomem *reg; 2840 struct scsi_qla_host *vha; 2841 unsigned long flags; 2842 uint32_t stat = 0; 2843 2844 rsp = (struct rsp_que *) dev_id; 2845 if (!rsp) { 2846 ql_log(ql_log_info, NULL, 0x505a, 2847 "%s: NULL response queue pointer.\n", __func__); 2848 return IRQ_NONE; 2849 } 2850 ha = rsp->hw; 2851 reg = &ha->iobase->isp24; 2852 2853 spin_lock_irqsave(&ha->hardware_lock, flags); 2854 2855 vha = pci_get_drvdata(ha->pdev); 2856 /* 2857 * Use host_status register to check to PCI disconnection before we 2858 * we process the response queue. 2859 */ 2860 stat = RD_REG_DWORD(®->host_status); 2861 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 2862 goto out; 2863 qla24xx_process_response_queue(vha, rsp); 2864 if (!ha->flags.disable_msix_handshake) { 2865 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2866 RD_REG_DWORD_RELAXED(®->hccr); 2867 } 2868 out: 2869 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2870 2871 return IRQ_HANDLED; 2872 } 2873 2874 static irqreturn_t 2875 qla24xx_msix_default(int irq, void *dev_id) 2876 { 2877 scsi_qla_host_t *vha; 2878 struct qla_hw_data *ha; 2879 struct rsp_que *rsp; 2880 struct device_reg_24xx __iomem *reg; 2881 int status; 2882 uint32_t stat; 2883 uint32_t hccr; 2884 uint16_t mb[8]; 2885 unsigned long flags; 2886 2887 rsp = (struct rsp_que *) dev_id; 2888 if (!rsp) { 2889 ql_log(ql_log_info, NULL, 0x505c, 2890 "%s: NULL response queue pointer.\n", __func__); 2891 return IRQ_NONE; 2892 } 2893 ha = rsp->hw; 2894 reg = &ha->iobase->isp24; 2895 status = 0; 2896 2897 spin_lock_irqsave(&ha->hardware_lock, flags); 2898 vha = pci_get_drvdata(ha->pdev); 2899 do { 2900 stat = RD_REG_DWORD(®->host_status); 2901 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 2902 break; 2903 if (stat & HSRX_RISC_PAUSED) { 2904 if (unlikely(pci_channel_offline(ha->pdev))) 2905 break; 2906 2907 hccr = RD_REG_DWORD(®->hccr); 2908 2909 ql_log(ql_log_info, vha, 0x5050, 2910 "RISC paused -- HCCR=%x, Dumping firmware.\n", 2911 hccr); 2912 2913 qla2xxx_check_risc_status(vha); 2914 2915 ha->isp_ops->fw_dump(vha, 1); 2916 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2917 break; 2918 } else if ((stat & HSRX_RISC_INT) == 0) 2919 break; 2920 2921 switch (stat & 0xff) { 2922 case INTR_ROM_MB_SUCCESS: 2923 case INTR_ROM_MB_FAILED: 2924 case INTR_MB_SUCCESS: 2925 case INTR_MB_FAILED: 2926 qla24xx_mbx_completion(vha, MSW(stat)); 2927 status |= MBX_INTERRUPT; 2928 2929 break; 2930 case INTR_ASYNC_EVENT: 2931 mb[0] = MSW(stat); 2932 mb[1] = RD_REG_WORD(®->mailbox1); 2933 mb[2] = RD_REG_WORD(®->mailbox2); 2934 mb[3] = RD_REG_WORD(®->mailbox3); 2935 qla2x00_async_event(vha, rsp, mb); 2936 break; 2937 case INTR_RSP_QUE_UPDATE: 2938 case INTR_RSP_QUE_UPDATE_83XX: 2939 qla24xx_process_response_queue(vha, rsp); 2940 break; 2941 case INTR_ATIO_QUE_UPDATE:{ 2942 unsigned long flags2; 2943 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 2944 qlt_24xx_process_atio_queue(vha, 1); 2945 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 2946 break; 2947 } 2948 case INTR_ATIO_RSP_QUE_UPDATE: { 2949 unsigned long flags2; 2950 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 2951 qlt_24xx_process_atio_queue(vha, 1); 2952 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 2953 2954 qla24xx_process_response_queue(vha, rsp); 2955 break; 2956 } 2957 default: 2958 ql_dbg(ql_dbg_async, vha, 0x5051, 2959 "Unrecognized interrupt type (%d).\n", stat & 0xff); 2960 break; 2961 } 2962 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2963 } while (0); 2964 qla2x00_handle_mbx_completion(ha, status); 2965 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2966 2967 return IRQ_HANDLED; 2968 } 2969 2970 irqreturn_t 2971 qla2xxx_msix_rsp_q(int irq, void *dev_id) 2972 { 2973 struct qla_hw_data *ha; 2974 struct qla_qpair *qpair; 2975 struct device_reg_24xx __iomem *reg; 2976 unsigned long flags; 2977 2978 qpair = dev_id; 2979 if (!qpair) { 2980 ql_log(ql_log_info, NULL, 0x505b, 2981 "%s: NULL response queue pointer.\n", __func__); 2982 return IRQ_NONE; 2983 } 2984 ha = qpair->hw; 2985 2986 /* Clear the interrupt, if enabled, for this response queue */ 2987 if (unlikely(!ha->flags.disable_msix_handshake)) { 2988 reg = &ha->iobase->isp24; 2989 spin_lock_irqsave(&ha->hardware_lock, flags); 2990 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2991 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2992 } 2993 2994 queue_work(ha->wq, &qpair->q_work); 2995 2996 return IRQ_HANDLED; 2997 } 2998 2999 /* Interrupt handling helpers. */ 3000 3001 struct qla_init_msix_entry { 3002 const char *name; 3003 irq_handler_t handler; 3004 }; 3005 3006 static struct qla_init_msix_entry msix_entries[] = { 3007 { "qla2xxx (default)", qla24xx_msix_default }, 3008 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, 3009 { "qla2xxx (atio_q)", qla83xx_msix_atio_q }, 3010 { "qla2xxx (qpair_multiq)", qla2xxx_msix_rsp_q }, 3011 }; 3012 3013 static struct qla_init_msix_entry qla82xx_msix_entries[] = { 3014 { "qla2xxx (default)", qla82xx_msix_default }, 3015 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 3016 }; 3017 3018 static int 3019 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 3020 { 3021 #define MIN_MSIX_COUNT 2 3022 int i, ret; 3023 struct qla_msix_entry *qentry; 3024 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3025 3026 ret = pci_alloc_irq_vectors(ha->pdev, MIN_MSIX_COUNT, ha->msix_count, 3027 PCI_IRQ_MSIX | PCI_IRQ_AFFINITY); 3028 if (ret < 0) { 3029 ql_log(ql_log_fatal, vha, 0x00c7, 3030 "MSI-X: Failed to enable support, " 3031 "giving up -- %d/%d.\n", 3032 ha->msix_count, ret); 3033 goto msix_out; 3034 } else if (ret < ha->msix_count) { 3035 ql_log(ql_log_warn, vha, 0x00c6, 3036 "MSI-X: Failed to enable support " 3037 "with %d vectors, using %d vectors.\n", 3038 ha->msix_count, ret); 3039 ha->msix_count = ret; 3040 /* Recalculate queue values */ 3041 if (ha->mqiobase && ql2xmqsupport) { 3042 ha->max_req_queues = ha->msix_count - 1; 3043 3044 /* ATIOQ needs 1 vector. That's 1 less QPair */ 3045 if (QLA_TGT_MODE_ENABLED()) 3046 ha->max_req_queues--; 3047 3048 ha->max_rsp_queues = ha->max_req_queues; 3049 3050 ha->max_qpairs = ha->max_req_queues - 1; 3051 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 3052 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 3053 } 3054 } 3055 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * 3056 ha->msix_count, GFP_KERNEL); 3057 if (!ha->msix_entries) { 3058 ql_log(ql_log_fatal, vha, 0x00c8, 3059 "Failed to allocate memory for ha->msix_entries.\n"); 3060 ret = -ENOMEM; 3061 goto msix_out; 3062 } 3063 ha->flags.msix_enabled = 1; 3064 3065 for (i = 0; i < ha->msix_count; i++) { 3066 qentry = &ha->msix_entries[i]; 3067 qentry->vector = pci_irq_vector(ha->pdev, i); 3068 qentry->entry = i; 3069 qentry->have_irq = 0; 3070 qentry->in_use = 0; 3071 qentry->handle = NULL; 3072 qentry->irq_notify.notify = qla_irq_affinity_notify; 3073 qentry->irq_notify.release = qla_irq_affinity_release; 3074 qentry->cpuid = -1; 3075 } 3076 3077 /* Enable MSI-X vectors for the base queue */ 3078 for (i = 0; i < (QLA_MSIX_RSP_Q + 1); i++) { 3079 qentry = &ha->msix_entries[i]; 3080 qentry->handle = rsp; 3081 rsp->msix = qentry; 3082 scnprintf(qentry->name, sizeof(qentry->name), 3083 msix_entries[i].name); 3084 if (IS_P3P_TYPE(ha)) 3085 ret = request_irq(qentry->vector, 3086 qla82xx_msix_entries[i].handler, 3087 0, qla82xx_msix_entries[i].name, rsp); 3088 else 3089 ret = request_irq(qentry->vector, 3090 msix_entries[i].handler, 3091 0, msix_entries[i].name, rsp); 3092 if (ret) 3093 goto msix_register_fail; 3094 qentry->have_irq = 1; 3095 qentry->in_use = 1; 3096 3097 /* Register for CPU affinity notification. */ 3098 irq_set_affinity_notifier(qentry->vector, &qentry->irq_notify); 3099 3100 /* Schedule work (ie. trigger a notification) to read cpu 3101 * mask for this specific irq. 3102 * kref_get is required because 3103 * irq_affinity_notify() will do 3104 * kref_put(). 3105 */ 3106 kref_get(&qentry->irq_notify.kref); 3107 schedule_work(&qentry->irq_notify.work); 3108 } 3109 3110 /* 3111 * If target mode is enable, also request the vector for the ATIO 3112 * queue. 3113 */ 3114 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) { 3115 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 3116 rsp->msix = qentry; 3117 qentry->handle = rsp; 3118 scnprintf(qentry->name, sizeof(qentry->name), 3119 msix_entries[QLA_ATIO_VECTOR].name); 3120 qentry->in_use = 1; 3121 ret = request_irq(qentry->vector, 3122 msix_entries[QLA_ATIO_VECTOR].handler, 3123 0, msix_entries[QLA_ATIO_VECTOR].name, rsp); 3124 qentry->have_irq = 1; 3125 } 3126 3127 msix_register_fail: 3128 if (ret) { 3129 ql_log(ql_log_fatal, vha, 0x00cb, 3130 "MSI-X: unable to register handler -- %x/%d.\n", 3131 qentry->vector, ret); 3132 qla2x00_free_irqs(vha); 3133 ha->mqenable = 0; 3134 goto msix_out; 3135 } 3136 3137 /* Enable MSI-X vector for response queue update for queue 0 */ 3138 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 3139 if (ha->msixbase && ha->mqiobase && 3140 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3141 ql2xmqsupport)) 3142 ha->mqenable = 1; 3143 } else 3144 if (ha->mqiobase && 3145 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3146 ql2xmqsupport)) 3147 ha->mqenable = 1; 3148 ql_dbg(ql_dbg_multiq, vha, 0xc005, 3149 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3150 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3151 ql_dbg(ql_dbg_init, vha, 0x0055, 3152 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3153 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3154 3155 msix_out: 3156 return ret; 3157 } 3158 3159 int 3160 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 3161 { 3162 int ret = QLA_FUNCTION_FAILED; 3163 device_reg_t *reg = ha->iobase; 3164 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3165 3166 /* If possible, enable MSI-X. */ 3167 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3168 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) && 3169 !IS_QLA27XX(ha)) 3170 goto skip_msi; 3171 3172 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 3173 (ha->pdev->subsystem_device == 0x7040 || 3174 ha->pdev->subsystem_device == 0x7041 || 3175 ha->pdev->subsystem_device == 0x1705)) { 3176 ql_log(ql_log_warn, vha, 0x0034, 3177 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 3178 ha->pdev->subsystem_vendor, 3179 ha->pdev->subsystem_device); 3180 goto skip_msi; 3181 } 3182 3183 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 3184 ql_log(ql_log_warn, vha, 0x0035, 3185 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 3186 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 3187 goto skip_msix; 3188 } 3189 3190 ret = qla24xx_enable_msix(ha, rsp); 3191 if (!ret) { 3192 ql_dbg(ql_dbg_init, vha, 0x0036, 3193 "MSI-X: Enabled (0x%X, 0x%X).\n", 3194 ha->chip_revision, ha->fw_attributes); 3195 goto clear_risc_ints; 3196 } 3197 3198 skip_msix: 3199 3200 ql_log(ql_log_info, vha, 0x0037, 3201 "Falling back-to MSI mode -%d.\n", ret); 3202 3203 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3204 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 3205 !IS_QLA27XX(ha)) 3206 goto skip_msi; 3207 3208 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 3209 if (!ret) { 3210 ql_dbg(ql_dbg_init, vha, 0x0038, 3211 "MSI: Enabled.\n"); 3212 ha->flags.msi_enabled = 1; 3213 } else 3214 ql_log(ql_log_warn, vha, 0x0039, 3215 "Falling back-to INTa mode -- %d.\n", ret); 3216 skip_msi: 3217 3218 /* Skip INTx on ISP82xx. */ 3219 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 3220 return QLA_FUNCTION_FAILED; 3221 3222 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 3223 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 3224 QLA2XXX_DRIVER_NAME, rsp); 3225 if (ret) { 3226 ql_log(ql_log_warn, vha, 0x003a, 3227 "Failed to reserve interrupt %d already in use.\n", 3228 ha->pdev->irq); 3229 goto fail; 3230 } else if (!ha->flags.msi_enabled) { 3231 ql_dbg(ql_dbg_init, vha, 0x0125, 3232 "INTa mode: Enabled.\n"); 3233 ha->flags.mr_intr_valid = 1; 3234 } 3235 3236 clear_risc_ints: 3237 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 3238 goto fail; 3239 3240 spin_lock_irq(&ha->hardware_lock); 3241 WRT_REG_WORD(®->isp.semaphore, 0); 3242 spin_unlock_irq(&ha->hardware_lock); 3243 3244 fail: 3245 return ret; 3246 } 3247 3248 void 3249 qla2x00_free_irqs(scsi_qla_host_t *vha) 3250 { 3251 struct qla_hw_data *ha = vha->hw; 3252 struct rsp_que *rsp; 3253 struct qla_msix_entry *qentry; 3254 int i; 3255 3256 /* 3257 * We need to check that ha->rsp_q_map is valid in case we are called 3258 * from a probe failure context. 3259 */ 3260 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 3261 return; 3262 rsp = ha->rsp_q_map[0]; 3263 3264 if (ha->flags.msix_enabled) { 3265 for (i = 0; i < ha->msix_count; i++) { 3266 qentry = &ha->msix_entries[i]; 3267 if (qentry->have_irq) { 3268 irq_set_affinity_notifier(qentry->vector, NULL); 3269 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 3270 } 3271 } 3272 kfree(ha->msix_entries); 3273 ha->msix_entries = NULL; 3274 ha->flags.msix_enabled = 0; 3275 ql_dbg(ql_dbg_init, vha, 0x0042, 3276 "Disabled MSI-X.\n"); 3277 } else { 3278 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 3279 } 3280 3281 pci_free_irq_vectors(ha->pdev); 3282 } 3283 3284 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 3285 struct qla_msix_entry *msix, int vector_type) 3286 { 3287 struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 3288 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3289 int ret; 3290 3291 scnprintf(msix->name, sizeof(msix->name), 3292 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 3293 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 3294 if (ret) { 3295 ql_log(ql_log_fatal, vha, 0x00e6, 3296 "MSI-X: Unable to register handler -- %x/%d.\n", 3297 msix->vector, ret); 3298 return ret; 3299 } 3300 msix->have_irq = 1; 3301 msix->handle = qpair; 3302 return ret; 3303 } 3304 3305 3306 /* irq_set_affinity/irqbalance will trigger notification of cpu mask update */ 3307 static void qla_irq_affinity_notify(struct irq_affinity_notify *notify, 3308 const cpumask_t *mask) 3309 { 3310 struct qla_msix_entry *e = 3311 container_of(notify, struct qla_msix_entry, irq_notify); 3312 struct qla_hw_data *ha; 3313 struct scsi_qla_host *base_vha; 3314 struct rsp_que *rsp = e->handle; 3315 3316 /* user is recommended to set mask to just 1 cpu */ 3317 e->cpuid = cpumask_first(mask); 3318 3319 ha = rsp->hw; 3320 base_vha = pci_get_drvdata(ha->pdev); 3321 3322 ql_dbg(ql_dbg_init, base_vha, 0xffff, 3323 "%s: host %ld : vector %d cpu %d \n", __func__, 3324 base_vha->host_no, e->vector, e->cpuid); 3325 3326 if (e->have_irq) { 3327 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && 3328 (e->entry == QLA83XX_RSPQ_MSIX_ENTRY_NUMBER)) { 3329 ha->tgt.rspq_vector_cpuid = e->cpuid; 3330 ql_dbg(ql_dbg_init, base_vha, 0xffff, 3331 "%s: host%ld: rspq vector %d cpu %d runtime change\n", 3332 __func__, base_vha->host_no, e->vector, e->cpuid); 3333 } 3334 } 3335 } 3336 3337 static void qla_irq_affinity_release(struct kref *ref) 3338 { 3339 struct irq_affinity_notify *notify = 3340 container_of(ref, struct irq_affinity_notify, kref); 3341 struct qla_msix_entry *e = 3342 container_of(notify, struct qla_msix_entry, irq_notify); 3343 struct rsp_que *rsp = e->handle; 3344 struct scsi_qla_host *base_vha = pci_get_drvdata(rsp->hw->pdev); 3345 3346 ql_dbg(ql_dbg_init, base_vha, 0xffff, 3347 "%s: host%ld: vector %d cpu %d\n", __func__, 3348 base_vha->host_no, e->vector, e->cpuid); 3349 } 3350