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 23 /** 24 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. 25 * @irq: 26 * @dev_id: SCSI driver HA context 27 * 28 * Called by system whenever the host adapter generates an interrupt. 29 * 30 * Returns handled flag. 31 */ 32 irqreturn_t 33 qla2100_intr_handler(int irq, void *dev_id) 34 { 35 scsi_qla_host_t *vha; 36 struct qla_hw_data *ha; 37 struct device_reg_2xxx __iomem *reg; 38 int status; 39 unsigned long iter; 40 uint16_t hccr; 41 uint16_t mb[4]; 42 struct rsp_que *rsp; 43 unsigned long flags; 44 45 rsp = (struct rsp_que *) dev_id; 46 if (!rsp) { 47 ql_log(ql_log_info, NULL, 0x505d, 48 "%s: NULL response queue pointer.\n", __func__); 49 return (IRQ_NONE); 50 } 51 52 ha = rsp->hw; 53 reg = &ha->iobase->isp; 54 status = 0; 55 56 spin_lock_irqsave(&ha->hardware_lock, flags); 57 vha = pci_get_drvdata(ha->pdev); 58 for (iter = 50; iter--; ) { 59 hccr = RD_REG_WORD(®->hccr); 60 if (qla2x00_check_reg16_for_disconnect(vha, hccr)) 61 break; 62 if (hccr & HCCR_RISC_PAUSE) { 63 if (pci_channel_offline(ha->pdev)) 64 break; 65 66 /* 67 * Issue a "HARD" reset in order for the RISC interrupt 68 * bit to be cleared. Schedule a big hammer to get 69 * out of the RISC PAUSED state. 70 */ 71 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 72 RD_REG_WORD(®->hccr); 73 74 ha->isp_ops->fw_dump(vha, 1); 75 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 76 break; 77 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) 78 break; 79 80 if (RD_REG_WORD(®->semaphore) & BIT_0) { 81 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 82 RD_REG_WORD(®->hccr); 83 84 /* Get mailbox data. */ 85 mb[0] = RD_MAILBOX_REG(ha, reg, 0); 86 if (mb[0] > 0x3fff && mb[0] < 0x8000) { 87 qla2x00_mbx_completion(vha, mb[0]); 88 status |= MBX_INTERRUPT; 89 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { 90 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 91 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 92 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 93 qla2x00_async_event(vha, rsp, mb); 94 } else { 95 /*EMPTY*/ 96 ql_dbg(ql_dbg_async, vha, 0x5025, 97 "Unrecognized interrupt type (%d).\n", 98 mb[0]); 99 } 100 /* Release mailbox registers. */ 101 WRT_REG_WORD(®->semaphore, 0); 102 RD_REG_WORD(®->semaphore); 103 } else { 104 qla2x00_process_response_queue(rsp); 105 106 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 107 RD_REG_WORD(®->hccr); 108 } 109 } 110 qla2x00_handle_mbx_completion(ha, status); 111 spin_unlock_irqrestore(&ha->hardware_lock, flags); 112 113 return (IRQ_HANDLED); 114 } 115 116 bool 117 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) 118 { 119 /* Check for PCI disconnection */ 120 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) { 121 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) && 122 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) && 123 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) { 124 /* 125 * Schedule this (only once) on the default system 126 * workqueue so that all the adapter workqueues and the 127 * DPC thread can be shutdown cleanly. 128 */ 129 schedule_work(&vha->hw->board_disable); 130 } 131 return true; 132 } else 133 return false; 134 } 135 136 bool 137 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) 138 { 139 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg); 140 } 141 142 /** 143 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 144 * @irq: 145 * @dev_id: SCSI driver HA context 146 * 147 * Called by system whenever the host adapter generates an interrupt. 148 * 149 * Returns handled flag. 150 */ 151 irqreturn_t 152 qla2300_intr_handler(int irq, void *dev_id) 153 { 154 scsi_qla_host_t *vha; 155 struct device_reg_2xxx __iomem *reg; 156 int status; 157 unsigned long iter; 158 uint32_t stat; 159 uint16_t hccr; 160 uint16_t mb[4]; 161 struct rsp_que *rsp; 162 struct qla_hw_data *ha; 163 unsigned long flags; 164 165 rsp = (struct rsp_que *) dev_id; 166 if (!rsp) { 167 ql_log(ql_log_info, NULL, 0x5058, 168 "%s: NULL response queue pointer.\n", __func__); 169 return (IRQ_NONE); 170 } 171 172 ha = rsp->hw; 173 reg = &ha->iobase->isp; 174 status = 0; 175 176 spin_lock_irqsave(&ha->hardware_lock, flags); 177 vha = pci_get_drvdata(ha->pdev); 178 for (iter = 50; iter--; ) { 179 stat = RD_REG_DWORD(®->u.isp2300.host_status); 180 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 181 break; 182 if (stat & HSR_RISC_PAUSED) { 183 if (unlikely(pci_channel_offline(ha->pdev))) 184 break; 185 186 hccr = RD_REG_WORD(®->hccr); 187 188 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) 189 ql_log(ql_log_warn, vha, 0x5026, 190 "Parity error -- HCCR=%x, Dumping " 191 "firmware.\n", hccr); 192 else 193 ql_log(ql_log_warn, vha, 0x5027, 194 "RISC paused -- HCCR=%x, Dumping " 195 "firmware.\n", hccr); 196 197 /* 198 * Issue a "HARD" reset in order for the RISC 199 * interrupt bit to be cleared. Schedule a big 200 * hammer to get out of the RISC PAUSED state. 201 */ 202 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 203 RD_REG_WORD(®->hccr); 204 205 ha->isp_ops->fw_dump(vha, 1); 206 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 207 break; 208 } else if ((stat & HSR_RISC_INT) == 0) 209 break; 210 211 switch (stat & 0xff) { 212 case 0x1: 213 case 0x2: 214 case 0x10: 215 case 0x11: 216 qla2x00_mbx_completion(vha, MSW(stat)); 217 status |= MBX_INTERRUPT; 218 219 /* Release mailbox registers. */ 220 WRT_REG_WORD(®->semaphore, 0); 221 break; 222 case 0x12: 223 mb[0] = MSW(stat); 224 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 225 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 226 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 227 qla2x00_async_event(vha, rsp, mb); 228 break; 229 case 0x13: 230 qla2x00_process_response_queue(rsp); 231 break; 232 case 0x15: 233 mb[0] = MBA_CMPLT_1_16BIT; 234 mb[1] = MSW(stat); 235 qla2x00_async_event(vha, rsp, mb); 236 break; 237 case 0x16: 238 mb[0] = MBA_SCSI_COMPLETION; 239 mb[1] = MSW(stat); 240 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 241 qla2x00_async_event(vha, rsp, mb); 242 break; 243 default: 244 ql_dbg(ql_dbg_async, vha, 0x5028, 245 "Unrecognized interrupt type (%d).\n", stat & 0xff); 246 break; 247 } 248 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 249 RD_REG_WORD_RELAXED(®->hccr); 250 } 251 qla2x00_handle_mbx_completion(ha, status); 252 spin_unlock_irqrestore(&ha->hardware_lock, flags); 253 254 return (IRQ_HANDLED); 255 } 256 257 /** 258 * qla2x00_mbx_completion() - Process mailbox command completions. 259 * @ha: SCSI driver HA context 260 * @mb0: Mailbox0 register 261 */ 262 static void 263 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 264 { 265 uint16_t cnt; 266 uint32_t mboxes; 267 uint16_t __iomem *wptr; 268 struct qla_hw_data *ha = vha->hw; 269 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 270 271 /* Read all mbox registers? */ 272 mboxes = (1 << ha->mbx_count) - 1; 273 if (!ha->mcp) 274 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); 275 else 276 mboxes = ha->mcp->in_mb; 277 278 /* Load return mailbox registers. */ 279 ha->flags.mbox_int = 1; 280 ha->mailbox_out[0] = mb0; 281 mboxes >>= 1; 282 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); 283 284 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 285 if (IS_QLA2200(ha) && cnt == 8) 286 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); 287 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) 288 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); 289 else if (mboxes & BIT_0) 290 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 291 292 wptr++; 293 mboxes >>= 1; 294 } 295 } 296 297 static void 298 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) 299 { 300 static char *event[] = 301 { "Complete", "Request Notification", "Time Extension" }; 302 int rval; 303 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; 304 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; 305 uint16_t __iomem *wptr; 306 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; 307 308 /* Seed data -- mailbox1 -> mailbox7. */ 309 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) 310 wptr = (uint16_t __iomem *)®24->mailbox1; 311 else if (IS_QLA8044(vha->hw)) 312 wptr = (uint16_t __iomem *)®82->mailbox_out[1]; 313 else 314 return; 315 316 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) 317 mb[cnt] = RD_REG_WORD(wptr); 318 319 ql_dbg(ql_dbg_async, vha, 0x5021, 320 "Inter-Driver Communication %s -- " 321 "%04x %04x %04x %04x %04x %04x %04x.\n", 322 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], 323 mb[4], mb[5], mb[6]); 324 switch (aen) { 325 /* Handle IDC Error completion case. */ 326 case MBA_IDC_COMPLETE: 327 if (mb[1] >> 15) { 328 vha->hw->flags.idc_compl_status = 1; 329 if (vha->hw->notify_dcbx_comp && !vha->vp_idx) 330 complete(&vha->hw->dcbx_comp); 331 } 332 break; 333 334 case MBA_IDC_NOTIFY: 335 /* Acknowledgement needed? [Notify && non-zero timeout]. */ 336 timeout = (descr >> 8) & 0xf; 337 ql_dbg(ql_dbg_async, vha, 0x5022, 338 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", 339 vha->host_no, event[aen & 0xff], timeout); 340 341 if (!timeout) 342 return; 343 rval = qla2x00_post_idc_ack_work(vha, mb); 344 if (rval != QLA_SUCCESS) 345 ql_log(ql_log_warn, vha, 0x5023, 346 "IDC failed to post ACK.\n"); 347 break; 348 case MBA_IDC_TIME_EXT: 349 vha->hw->idc_extend_tmo = descr; 350 ql_dbg(ql_dbg_async, vha, 0x5087, 351 "%lu Inter-Driver Communication %s -- " 352 "Extend timeout by=%d.\n", 353 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); 354 break; 355 } 356 } 357 358 #define LS_UNKNOWN 2 359 const char * 360 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) 361 { 362 static const char *const link_speeds[] = { 363 "1", "2", "?", "4", "8", "16", "32", "10" 364 }; 365 #define QLA_LAST_SPEED 7 366 367 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 368 return link_speeds[0]; 369 else if (speed == 0x13) 370 return link_speeds[QLA_LAST_SPEED]; 371 else if (speed < QLA_LAST_SPEED) 372 return link_speeds[speed]; 373 else 374 return link_speeds[LS_UNKNOWN]; 375 } 376 377 static void 378 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 379 { 380 struct qla_hw_data *ha = vha->hw; 381 382 /* 383 * 8200 AEN Interpretation: 384 * mb[0] = AEN code 385 * mb[1] = AEN Reason code 386 * mb[2] = LSW of Peg-Halt Status-1 Register 387 * mb[6] = MSW of Peg-Halt Status-1 Register 388 * mb[3] = LSW of Peg-Halt Status-2 register 389 * mb[7] = MSW of Peg-Halt Status-2 register 390 * mb[4] = IDC Device-State Register value 391 * mb[5] = IDC Driver-Presence Register value 392 */ 393 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " 394 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", 395 mb[0], mb[1], mb[2], mb[6]); 396 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " 397 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " 398 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); 399 400 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | 401 IDC_HEARTBEAT_FAILURE)) { 402 ha->flags.nic_core_hung = 1; 403 ql_log(ql_log_warn, vha, 0x5060, 404 "83XX: F/W Error Reported: Check if reset required.\n"); 405 406 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { 407 uint32_t protocol_engine_id, fw_err_code, err_level; 408 409 /* 410 * IDC_PEG_HALT_STATUS_CHANGE interpretation: 411 * - PEG-Halt Status-1 Register: 412 * (LSW = mb[2], MSW = mb[6]) 413 * Bits 0-7 = protocol-engine ID 414 * Bits 8-28 = f/w error code 415 * Bits 29-31 = Error-level 416 * Error-level 0x1 = Non-Fatal error 417 * Error-level 0x2 = Recoverable Fatal error 418 * Error-level 0x4 = UnRecoverable Fatal error 419 * - PEG-Halt Status-2 Register: 420 * (LSW = mb[3], MSW = mb[7]) 421 */ 422 protocol_engine_id = (mb[2] & 0xff); 423 fw_err_code = (((mb[2] & 0xff00) >> 8) | 424 ((mb[6] & 0x1fff) << 8)); 425 err_level = ((mb[6] & 0xe000) >> 13); 426 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " 427 "Register: protocol_engine_id=0x%x " 428 "fw_err_code=0x%x err_level=0x%x.\n", 429 protocol_engine_id, fw_err_code, err_level); 430 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " 431 "Register: 0x%x%x.\n", mb[7], mb[3]); 432 if (err_level == ERR_LEVEL_NON_FATAL) { 433 ql_log(ql_log_warn, vha, 0x5063, 434 "Not a fatal error, f/w has recovered " 435 "iteself.\n"); 436 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { 437 ql_log(ql_log_fatal, vha, 0x5064, 438 "Recoverable Fatal error: Chip reset " 439 "required.\n"); 440 qla83xx_schedule_work(vha, 441 QLA83XX_NIC_CORE_RESET); 442 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { 443 ql_log(ql_log_fatal, vha, 0x5065, 444 "Unrecoverable Fatal error: Set FAILED " 445 "state, reboot required.\n"); 446 qla83xx_schedule_work(vha, 447 QLA83XX_NIC_CORE_UNRECOVERABLE); 448 } 449 } 450 451 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { 452 uint16_t peg_fw_state, nw_interface_link_up; 453 uint16_t nw_interface_signal_detect, sfp_status; 454 uint16_t htbt_counter, htbt_monitor_enable; 455 uint16_t sfp_additonal_info, sfp_multirate; 456 uint16_t sfp_tx_fault, link_speed, dcbx_status; 457 458 /* 459 * IDC_NIC_FW_REPORTED_FAILURE interpretation: 460 * - PEG-to-FC Status Register: 461 * (LSW = mb[2], MSW = mb[6]) 462 * Bits 0-7 = Peg-Firmware state 463 * Bit 8 = N/W Interface Link-up 464 * Bit 9 = N/W Interface signal detected 465 * Bits 10-11 = SFP Status 466 * SFP Status 0x0 = SFP+ transceiver not expected 467 * SFP Status 0x1 = SFP+ transceiver not present 468 * SFP Status 0x2 = SFP+ transceiver invalid 469 * SFP Status 0x3 = SFP+ transceiver present and 470 * valid 471 * Bits 12-14 = Heartbeat Counter 472 * Bit 15 = Heartbeat Monitor Enable 473 * Bits 16-17 = SFP Additional Info 474 * SFP info 0x0 = Unregocnized transceiver for 475 * Ethernet 476 * SFP info 0x1 = SFP+ brand validation failed 477 * SFP info 0x2 = SFP+ speed validation failed 478 * SFP info 0x3 = SFP+ access error 479 * Bit 18 = SFP Multirate 480 * Bit 19 = SFP Tx Fault 481 * Bits 20-22 = Link Speed 482 * Bits 23-27 = Reserved 483 * Bits 28-30 = DCBX Status 484 * DCBX Status 0x0 = DCBX Disabled 485 * DCBX Status 0x1 = DCBX Enabled 486 * DCBX Status 0x2 = DCBX Exchange error 487 * Bit 31 = Reserved 488 */ 489 peg_fw_state = (mb[2] & 0x00ff); 490 nw_interface_link_up = ((mb[2] & 0x0100) >> 8); 491 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); 492 sfp_status = ((mb[2] & 0x0c00) >> 10); 493 htbt_counter = ((mb[2] & 0x7000) >> 12); 494 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); 495 sfp_additonal_info = (mb[6] & 0x0003); 496 sfp_multirate = ((mb[6] & 0x0004) >> 2); 497 sfp_tx_fault = ((mb[6] & 0x0008) >> 3); 498 link_speed = ((mb[6] & 0x0070) >> 4); 499 dcbx_status = ((mb[6] & 0x7000) >> 12); 500 501 ql_log(ql_log_warn, vha, 0x5066, 502 "Peg-to-Fc Status Register:\n" 503 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " 504 "nw_interface_signal_detect=0x%x" 505 "\nsfp_statis=0x%x.\n ", peg_fw_state, 506 nw_interface_link_up, nw_interface_signal_detect, 507 sfp_status); 508 ql_log(ql_log_warn, vha, 0x5067, 509 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " 510 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ", 511 htbt_counter, htbt_monitor_enable, 512 sfp_additonal_info, sfp_multirate); 513 ql_log(ql_log_warn, vha, 0x5068, 514 "sfp_tx_fault=0x%x, link_state=0x%x, " 515 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, 516 dcbx_status); 517 518 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 519 } 520 521 if (mb[1] & IDC_HEARTBEAT_FAILURE) { 522 ql_log(ql_log_warn, vha, 0x5069, 523 "Heartbeat Failure encountered, chip reset " 524 "required.\n"); 525 526 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 527 } 528 } 529 530 if (mb[1] & IDC_DEVICE_STATE_CHANGE) { 531 ql_log(ql_log_info, vha, 0x506a, 532 "IDC Device-State changed = 0x%x.\n", mb[4]); 533 if (ha->flags.nic_core_reset_owner) 534 return; 535 qla83xx_schedule_work(vha, MBA_IDC_AEN); 536 } 537 } 538 539 int 540 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) 541 { 542 struct qla_hw_data *ha = vha->hw; 543 scsi_qla_host_t *vp; 544 uint32_t vp_did; 545 unsigned long flags; 546 int ret = 0; 547 548 if (!ha->num_vhosts) 549 return ret; 550 551 spin_lock_irqsave(&ha->vport_slock, flags); 552 list_for_each_entry(vp, &ha->vp_list, list) { 553 vp_did = vp->d_id.b24; 554 if (vp_did == rscn_entry) { 555 ret = 1; 556 break; 557 } 558 } 559 spin_unlock_irqrestore(&ha->vport_slock, flags); 560 561 return ret; 562 } 563 564 fc_port_t * 565 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id) 566 { 567 fc_port_t *f, *tf; 568 569 f = tf = NULL; 570 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) 571 if (f->loop_id == loop_id) 572 return f; 573 return NULL; 574 } 575 576 fc_port_t * 577 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted) 578 { 579 fc_port_t *f, *tf; 580 581 f = tf = NULL; 582 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 583 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) { 584 if (incl_deleted) 585 return f; 586 else if (f->deleted == 0) 587 return f; 588 } 589 } 590 return NULL; 591 } 592 593 fc_port_t * 594 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id, 595 u8 incl_deleted) 596 { 597 fc_port_t *f, *tf; 598 599 f = tf = NULL; 600 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 601 if (f->d_id.b24 == id->b24) { 602 if (incl_deleted) 603 return f; 604 else if (f->deleted == 0) 605 return f; 606 } 607 } 608 return NULL; 609 } 610 611 /** 612 * qla2x00_async_event() - Process aynchronous events. 613 * @ha: SCSI driver HA context 614 * @mb: Mailbox registers (0 - 3) 615 */ 616 void 617 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 618 { 619 uint16_t handle_cnt; 620 uint16_t cnt, mbx; 621 uint32_t handles[5]; 622 struct qla_hw_data *ha = vha->hw; 623 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 624 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 625 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 626 uint32_t rscn_entry, host_pid; 627 unsigned long flags; 628 fc_port_t *fcport = NULL; 629 630 /* Setup to process RIO completion. */ 631 handle_cnt = 0; 632 if (IS_CNA_CAPABLE(ha)) 633 goto skip_rio; 634 switch (mb[0]) { 635 case MBA_SCSI_COMPLETION: 636 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 637 handle_cnt = 1; 638 break; 639 case MBA_CMPLT_1_16BIT: 640 handles[0] = mb[1]; 641 handle_cnt = 1; 642 mb[0] = MBA_SCSI_COMPLETION; 643 break; 644 case MBA_CMPLT_2_16BIT: 645 handles[0] = mb[1]; 646 handles[1] = mb[2]; 647 handle_cnt = 2; 648 mb[0] = MBA_SCSI_COMPLETION; 649 break; 650 case MBA_CMPLT_3_16BIT: 651 handles[0] = mb[1]; 652 handles[1] = mb[2]; 653 handles[2] = mb[3]; 654 handle_cnt = 3; 655 mb[0] = MBA_SCSI_COMPLETION; 656 break; 657 case MBA_CMPLT_4_16BIT: 658 handles[0] = mb[1]; 659 handles[1] = mb[2]; 660 handles[2] = mb[3]; 661 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 662 handle_cnt = 4; 663 mb[0] = MBA_SCSI_COMPLETION; 664 break; 665 case MBA_CMPLT_5_16BIT: 666 handles[0] = mb[1]; 667 handles[1] = mb[2]; 668 handles[2] = mb[3]; 669 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 670 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 671 handle_cnt = 5; 672 mb[0] = MBA_SCSI_COMPLETION; 673 break; 674 case MBA_CMPLT_2_32BIT: 675 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 676 handles[1] = le32_to_cpu( 677 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | 678 RD_MAILBOX_REG(ha, reg, 6)); 679 handle_cnt = 2; 680 mb[0] = MBA_SCSI_COMPLETION; 681 break; 682 default: 683 break; 684 } 685 skip_rio: 686 switch (mb[0]) { 687 case MBA_SCSI_COMPLETION: /* Fast Post */ 688 if (!vha->flags.online) 689 break; 690 691 for (cnt = 0; cnt < handle_cnt; cnt++) 692 qla2x00_process_completed_request(vha, rsp->req, 693 handles[cnt]); 694 break; 695 696 case MBA_RESET: /* Reset */ 697 ql_dbg(ql_dbg_async, vha, 0x5002, 698 "Asynchronous RESET.\n"); 699 700 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 701 break; 702 703 case MBA_SYSTEM_ERR: /* System Error */ 704 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ? 705 RD_REG_WORD(®24->mailbox7) : 0; 706 ql_log(ql_log_warn, vha, 0x5003, 707 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " 708 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); 709 710 ha->isp_ops->fw_dump(vha, 1); 711 ha->flags.fw_init_done = 0; 712 ha->flags.fw_started = 0; 713 714 if (IS_FWI2_CAPABLE(ha)) { 715 if (mb[1] == 0 && mb[2] == 0) { 716 ql_log(ql_log_fatal, vha, 0x5004, 717 "Unrecoverable Hardware Error: adapter " 718 "marked OFFLINE!\n"); 719 vha->flags.online = 0; 720 vha->device_flags |= DFLG_DEV_FAILED; 721 } else { 722 /* Check to see if MPI timeout occurred */ 723 if ((mbx & MBX_3) && (ha->port_no == 0)) 724 set_bit(MPI_RESET_NEEDED, 725 &vha->dpc_flags); 726 727 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 728 } 729 } else if (mb[1] == 0) { 730 ql_log(ql_log_fatal, vha, 0x5005, 731 "Unrecoverable Hardware Error: adapter marked " 732 "OFFLINE!\n"); 733 vha->flags.online = 0; 734 vha->device_flags |= DFLG_DEV_FAILED; 735 } else 736 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 737 break; 738 739 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 740 ql_log(ql_log_warn, vha, 0x5006, 741 "ISP Request Transfer Error (%x).\n", mb[1]); 742 743 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 744 break; 745 746 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 747 ql_log(ql_log_warn, vha, 0x5007, 748 "ISP Response Transfer Error (%x).\n", mb[1]); 749 750 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 751 break; 752 753 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 754 ql_dbg(ql_dbg_async, vha, 0x5008, 755 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); 756 break; 757 758 case MBA_LOOP_INIT_ERR: 759 ql_log(ql_log_warn, vha, 0x5090, 760 "LOOP INIT ERROR (%x).\n", mb[1]); 761 ha->isp_ops->fw_dump(vha, 1); 762 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 763 break; 764 765 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 766 ha->flags.lip_ae = 1; 767 ha->flags.n2n_ae = 0; 768 769 ql_dbg(ql_dbg_async, vha, 0x5009, 770 "LIP occurred (%x).\n", mb[1]); 771 772 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 773 atomic_set(&vha->loop_state, LOOP_DOWN); 774 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 775 qla2x00_mark_all_devices_lost(vha, 1); 776 } 777 778 if (vha->vp_idx) { 779 atomic_set(&vha->vp_state, VP_FAILED); 780 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 781 } 782 783 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 784 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 785 786 vha->flags.management_server_logged_in = 0; 787 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 788 break; 789 790 case MBA_LOOP_UP: /* Loop Up Event */ 791 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 792 ha->link_data_rate = PORT_SPEED_1GB; 793 else 794 ha->link_data_rate = mb[1]; 795 796 ql_log(ql_log_info, vha, 0x500a, 797 "LOOP UP detected (%s Gbps).\n", 798 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 799 800 vha->flags.management_server_logged_in = 0; 801 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 802 break; 803 804 case MBA_LOOP_DOWN: /* Loop Down Event */ 805 ha->flags.n2n_ae = 0; 806 ha->flags.lip_ae = 0; 807 ha->current_topology = 0; 808 809 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 810 ? RD_REG_WORD(®24->mailbox4) : 0; 811 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) 812 : mbx; 813 ql_log(ql_log_info, vha, 0x500b, 814 "LOOP DOWN detected (%x %x %x %x).\n", 815 mb[1], mb[2], mb[3], mbx); 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 /* 821 * In case of loop down, restore WWPN from 822 * NVRAM in case of FA-WWPN capable ISP 823 * Restore for Physical Port only 824 */ 825 if (!vha->vp_idx) { 826 if (ha->flags.fawwpn_enabled) { 827 void *wwpn = ha->init_cb->port_name; 828 memcpy(vha->port_name, wwpn, WWN_SIZE); 829 fc_host_port_name(vha->host) = 830 wwn_to_u64(vha->port_name); 831 ql_dbg(ql_dbg_init + ql_dbg_verbose, 832 vha, 0x0144, "LOOP DOWN detected," 833 "restore WWPN %016llx\n", 834 wwn_to_u64(vha->port_name)); 835 } 836 837 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 838 } 839 840 vha->device_flags |= DFLG_NO_CABLE; 841 qla2x00_mark_all_devices_lost(vha, 1); 842 } 843 844 if (vha->vp_idx) { 845 atomic_set(&vha->vp_state, VP_FAILED); 846 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 847 } 848 849 vha->flags.management_server_logged_in = 0; 850 ha->link_data_rate = PORT_SPEED_UNKNOWN; 851 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 852 break; 853 854 case MBA_LIP_RESET: /* LIP reset occurred */ 855 ql_dbg(ql_dbg_async, vha, 0x500c, 856 "LIP reset occurred (%x).\n", mb[1]); 857 858 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 859 atomic_set(&vha->loop_state, LOOP_DOWN); 860 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 861 qla2x00_mark_all_devices_lost(vha, 1); 862 } 863 864 if (vha->vp_idx) { 865 atomic_set(&vha->vp_state, VP_FAILED); 866 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 867 } 868 869 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 870 871 ha->operating_mode = LOOP; 872 vha->flags.management_server_logged_in = 0; 873 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 874 break; 875 876 /* case MBA_DCBX_COMPLETE: */ 877 case MBA_POINT_TO_POINT: /* Point-to-Point */ 878 ha->flags.lip_ae = 0; 879 ha->flags.n2n_ae = 1; 880 881 if (IS_QLA2100(ha)) 882 break; 883 884 if (IS_CNA_CAPABLE(ha)) { 885 ql_dbg(ql_dbg_async, vha, 0x500d, 886 "DCBX Completed -- %04x %04x %04x.\n", 887 mb[1], mb[2], mb[3]); 888 if (ha->notify_dcbx_comp && !vha->vp_idx) 889 complete(&ha->dcbx_comp); 890 891 } else 892 ql_dbg(ql_dbg_async, vha, 0x500e, 893 "Asynchronous P2P MODE received.\n"); 894 895 /* 896 * Until there's a transition from loop down to loop up, treat 897 * this as loop down only. 898 */ 899 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 900 atomic_set(&vha->loop_state, LOOP_DOWN); 901 if (!atomic_read(&vha->loop_down_timer)) 902 atomic_set(&vha->loop_down_timer, 903 LOOP_DOWN_TIME); 904 qla2x00_mark_all_devices_lost(vha, 1); 905 } 906 907 if (vha->vp_idx) { 908 atomic_set(&vha->vp_state, VP_FAILED); 909 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 910 } 911 912 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 913 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 914 915 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 916 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 917 918 ha->flags.gpsc_supported = 1; 919 vha->flags.management_server_logged_in = 0; 920 break; 921 922 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 923 if (IS_QLA2100(ha)) 924 break; 925 926 ql_dbg(ql_dbg_async, vha, 0x500f, 927 "Configuration change detected: value=%x.\n", mb[1]); 928 929 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 930 atomic_set(&vha->loop_state, LOOP_DOWN); 931 if (!atomic_read(&vha->loop_down_timer)) 932 atomic_set(&vha->loop_down_timer, 933 LOOP_DOWN_TIME); 934 qla2x00_mark_all_devices_lost(vha, 1); 935 } 936 937 if (vha->vp_idx) { 938 atomic_set(&vha->vp_state, VP_FAILED); 939 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 940 } 941 942 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 943 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 944 break; 945 946 case MBA_PORT_UPDATE: /* Port database update */ 947 /* 948 * Handle only global and vn-port update events 949 * 950 * Relevant inputs: 951 * mb[1] = N_Port handle of changed port 952 * OR 0xffff for global event 953 * mb[2] = New login state 954 * 7 = Port logged out 955 * mb[3] = LSB is vp_idx, 0xff = all vps 956 * 957 * Skip processing if: 958 * Event is global, vp_idx is NOT all vps, 959 * vp_idx does not match 960 * Event is not global, vp_idx does not match 961 */ 962 if (IS_QLA2XXX_MIDTYPE(ha) && 963 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 964 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 965 break; 966 967 if (mb[2] == 0x7) { 968 ql_dbg(ql_dbg_async, vha, 0x5010, 969 "Port %s %04x %04x %04x.\n", 970 mb[1] == 0xffff ? "unavailable" : "logout", 971 mb[1], mb[2], mb[3]); 972 973 if (mb[1] == 0xffff) 974 goto global_port_update; 975 976 /* Port logout */ 977 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); 978 if (!fcport) 979 break; 980 if (atomic_read(&fcport->state) != FCS_ONLINE) 981 break; 982 ql_dbg(ql_dbg_async, vha, 0x508a, 983 "Marking port lost loopid=%04x portid=%06x.\n", 984 fcport->loop_id, fcport->d_id.b24); 985 if (qla_ini_mode_enabled(vha)) { 986 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 987 fcport->logout_on_delete = 0; 988 qlt_schedule_sess_for_deletion_lock(fcport); 989 } 990 break; 991 992 global_port_update: 993 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 994 atomic_set(&vha->loop_state, LOOP_DOWN); 995 atomic_set(&vha->loop_down_timer, 996 LOOP_DOWN_TIME); 997 vha->device_flags |= DFLG_NO_CABLE; 998 qla2x00_mark_all_devices_lost(vha, 1); 999 } 1000 1001 if (vha->vp_idx) { 1002 atomic_set(&vha->vp_state, VP_FAILED); 1003 fc_vport_set_state(vha->fc_vport, 1004 FC_VPORT_FAILED); 1005 qla2x00_mark_all_devices_lost(vha, 1); 1006 } 1007 1008 vha->flags.management_server_logged_in = 0; 1009 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1010 break; 1011 } 1012 1013 /* 1014 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 1015 * event etc. earlier indicating loop is down) then process 1016 * it. Otherwise ignore it and Wait for RSCN to come in. 1017 */ 1018 atomic_set(&vha->loop_down_timer, 0); 1019 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 1020 atomic_read(&vha->loop_state) != LOOP_DEAD) { 1021 ql_dbg(ql_dbg_async, vha, 0x5011, 1022 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 1023 mb[1], mb[2], mb[3]); 1024 1025 qlt_async_event(mb[0], vha, mb); 1026 break; 1027 } 1028 1029 ql_dbg(ql_dbg_async, vha, 0x5012, 1030 "Port database changed %04x %04x %04x.\n", 1031 mb[1], mb[2], mb[3]); 1032 1033 /* 1034 * Mark all devices as missing so we will login again. 1035 */ 1036 atomic_set(&vha->loop_state, LOOP_UP); 1037 1038 qla2x00_mark_all_devices_lost(vha, 1); 1039 1040 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1041 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1042 set_bit(VP_CONFIG_OK, &vha->vp_flags); 1043 1044 qlt_async_event(mb[0], vha, mb); 1045 break; 1046 1047 case MBA_RSCN_UPDATE: /* State Change Registration */ 1048 /* Check if the Vport has issued a SCR */ 1049 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 1050 break; 1051 /* Only handle SCNs for our Vport index. */ 1052 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 1053 break; 1054 1055 ql_dbg(ql_dbg_async, vha, 0x5013, 1056 "RSCN database changed -- %04x %04x %04x.\n", 1057 mb[1], mb[2], mb[3]); 1058 1059 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 1060 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 1061 | vha->d_id.b.al_pa; 1062 if (rscn_entry == host_pid) { 1063 ql_dbg(ql_dbg_async, vha, 0x5014, 1064 "Ignoring RSCN update to local host " 1065 "port ID (%06x).\n", host_pid); 1066 break; 1067 } 1068 1069 /* Ignore reserved bits from RSCN-payload. */ 1070 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 1071 1072 /* Skip RSCNs for virtual ports on the same physical port */ 1073 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 1074 break; 1075 1076 atomic_set(&vha->loop_down_timer, 0); 1077 vha->flags.management_server_logged_in = 0; 1078 { 1079 struct event_arg ea; 1080 1081 memset(&ea, 0, sizeof(ea)); 1082 ea.event = FCME_RSCN; 1083 ea.id.b24 = rscn_entry; 1084 ea.id.b.rsvd_1 = rscn_entry >> 24; 1085 qla2x00_fcport_event_handler(vha, &ea); 1086 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1087 } 1088 break; 1089 /* case MBA_RIO_RESPONSE: */ 1090 case MBA_ZIO_RESPONSE: 1091 ql_dbg(ql_dbg_async, vha, 0x5015, 1092 "[R|Z]IO update completion.\n"); 1093 1094 if (IS_FWI2_CAPABLE(ha)) 1095 qla24xx_process_response_queue(vha, rsp); 1096 else 1097 qla2x00_process_response_queue(rsp); 1098 break; 1099 1100 case MBA_DISCARD_RND_FRAME: 1101 ql_dbg(ql_dbg_async, vha, 0x5016, 1102 "Discard RND Frame -- %04x %04x %04x.\n", 1103 mb[1], mb[2], mb[3]); 1104 break; 1105 1106 case MBA_TRACE_NOTIFICATION: 1107 ql_dbg(ql_dbg_async, vha, 0x5017, 1108 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1109 break; 1110 1111 case MBA_ISP84XX_ALERT: 1112 ql_dbg(ql_dbg_async, vha, 0x5018, 1113 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1114 mb[1], mb[2], mb[3]); 1115 1116 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1117 switch (mb[1]) { 1118 case A84_PANIC_RECOVERY: 1119 ql_log(ql_log_info, vha, 0x5019, 1120 "Alert 84XX: panic recovery %04x %04x.\n", 1121 mb[2], mb[3]); 1122 break; 1123 case A84_OP_LOGIN_COMPLETE: 1124 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1125 ql_log(ql_log_info, vha, 0x501a, 1126 "Alert 84XX: firmware version %x.\n", 1127 ha->cs84xx->op_fw_version); 1128 break; 1129 case A84_DIAG_LOGIN_COMPLETE: 1130 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1131 ql_log(ql_log_info, vha, 0x501b, 1132 "Alert 84XX: diagnostic firmware version %x.\n", 1133 ha->cs84xx->diag_fw_version); 1134 break; 1135 case A84_GOLD_LOGIN_COMPLETE: 1136 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1137 ha->cs84xx->fw_update = 1; 1138 ql_log(ql_log_info, vha, 0x501c, 1139 "Alert 84XX: gold firmware version %x.\n", 1140 ha->cs84xx->gold_fw_version); 1141 break; 1142 default: 1143 ql_log(ql_log_warn, vha, 0x501d, 1144 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1145 mb[1], mb[2], mb[3]); 1146 } 1147 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1148 break; 1149 case MBA_DCBX_START: 1150 ql_dbg(ql_dbg_async, vha, 0x501e, 1151 "DCBX Started -- %04x %04x %04x.\n", 1152 mb[1], mb[2], mb[3]); 1153 break; 1154 case MBA_DCBX_PARAM_UPDATE: 1155 ql_dbg(ql_dbg_async, vha, 0x501f, 1156 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1157 mb[1], mb[2], mb[3]); 1158 break; 1159 case MBA_FCF_CONF_ERR: 1160 ql_dbg(ql_dbg_async, vha, 0x5020, 1161 "FCF Configuration Error -- %04x %04x %04x.\n", 1162 mb[1], mb[2], mb[3]); 1163 break; 1164 case MBA_IDC_NOTIFY: 1165 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1166 mb[4] = RD_REG_WORD(®24->mailbox4); 1167 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1168 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1169 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1170 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1171 /* 1172 * Extend loop down timer since port is active. 1173 */ 1174 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1175 atomic_set(&vha->loop_down_timer, 1176 LOOP_DOWN_TIME); 1177 qla2xxx_wake_dpc(vha); 1178 } 1179 } 1180 case MBA_IDC_COMPLETE: 1181 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1182 complete(&ha->lb_portup_comp); 1183 /* Fallthru */ 1184 case MBA_IDC_TIME_EXT: 1185 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1186 IS_QLA8044(ha)) 1187 qla81xx_idc_event(vha, mb[0], mb[1]); 1188 break; 1189 1190 case MBA_IDC_AEN: 1191 mb[4] = RD_REG_WORD(®24->mailbox4); 1192 mb[5] = RD_REG_WORD(®24->mailbox5); 1193 mb[6] = RD_REG_WORD(®24->mailbox6); 1194 mb[7] = RD_REG_WORD(®24->mailbox7); 1195 qla83xx_handle_8200_aen(vha, mb); 1196 break; 1197 1198 case MBA_DPORT_DIAGNOSTICS: 1199 ql_dbg(ql_dbg_async, vha, 0x5052, 1200 "D-Port Diagnostics: %04x result=%s\n", 1201 mb[0], 1202 mb[1] == 0 ? "start" : 1203 mb[1] == 1 ? "done (pass)" : 1204 mb[1] == 2 ? "done (error)" : "other"); 1205 break; 1206 1207 case MBA_TEMPERATURE_ALERT: 1208 ql_dbg(ql_dbg_async, vha, 0x505e, 1209 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); 1210 if (mb[1] == 0x12) 1211 schedule_work(&ha->board_disable); 1212 break; 1213 1214 default: 1215 ql_dbg(ql_dbg_async, vha, 0x5057, 1216 "Unknown AEN:%04x %04x %04x %04x\n", 1217 mb[0], mb[1], mb[2], mb[3]); 1218 } 1219 1220 qlt_async_event(mb[0], vha, mb); 1221 1222 if (!vha->vp_idx && ha->num_vhosts) 1223 qla2x00_alert_all_vps(rsp, mb); 1224 } 1225 1226 /** 1227 * qla2x00_process_completed_request() - Process a Fast Post response. 1228 * @ha: SCSI driver HA context 1229 * @index: SRB index 1230 */ 1231 void 1232 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1233 struct req_que *req, uint32_t index) 1234 { 1235 srb_t *sp; 1236 struct qla_hw_data *ha = vha->hw; 1237 1238 /* Validate handle. */ 1239 if (index >= req->num_outstanding_cmds) { 1240 ql_log(ql_log_warn, vha, 0x3014, 1241 "Invalid SCSI command index (%x).\n", index); 1242 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 return; 1248 } 1249 1250 sp = req->outstanding_cmds[index]; 1251 if (sp) { 1252 /* Free outstanding command slot. */ 1253 req->outstanding_cmds[index] = NULL; 1254 1255 /* Save ISP completion status */ 1256 sp->done(sp, DID_OK << 16); 1257 } else { 1258 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1259 1260 if (IS_P3P_TYPE(ha)) 1261 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1262 else 1263 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1264 } 1265 } 1266 1267 srb_t * 1268 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1269 struct req_que *req, void *iocb) 1270 { 1271 struct qla_hw_data *ha = vha->hw; 1272 sts_entry_t *pkt = iocb; 1273 srb_t *sp = NULL; 1274 uint16_t index; 1275 1276 index = LSW(pkt->handle); 1277 if (index >= req->num_outstanding_cmds) { 1278 ql_log(ql_log_warn, vha, 0x5031, 1279 "Invalid command index (%x) type %8ph.\n", 1280 index, iocb); 1281 if (IS_P3P_TYPE(ha)) 1282 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1283 else 1284 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1285 goto done; 1286 } 1287 sp = req->outstanding_cmds[index]; 1288 if (!sp) { 1289 ql_log(ql_log_warn, vha, 0x5032, 1290 "Invalid completion handle (%x) -- timed-out.\n", index); 1291 return sp; 1292 } 1293 if (sp->handle != index) { 1294 ql_log(ql_log_warn, vha, 0x5033, 1295 "SRB handle (%x) mismatch %x.\n", sp->handle, index); 1296 return NULL; 1297 } 1298 1299 req->outstanding_cmds[index] = NULL; 1300 1301 done: 1302 return sp; 1303 } 1304 1305 static void 1306 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1307 struct mbx_entry *mbx) 1308 { 1309 const char func[] = "MBX-IOCB"; 1310 const char *type; 1311 fc_port_t *fcport; 1312 srb_t *sp; 1313 struct srb_iocb *lio; 1314 uint16_t *data; 1315 uint16_t status; 1316 1317 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1318 if (!sp) 1319 return; 1320 1321 lio = &sp->u.iocb_cmd; 1322 type = sp->name; 1323 fcport = sp->fcport; 1324 data = lio->u.logio.data; 1325 1326 data[0] = MBS_COMMAND_ERROR; 1327 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1328 QLA_LOGIO_LOGIN_RETRIED : 0; 1329 if (mbx->entry_status) { 1330 ql_dbg(ql_dbg_async, vha, 0x5043, 1331 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1332 "entry-status=%x status=%x state-flag=%x " 1333 "status-flags=%x.\n", type, sp->handle, 1334 fcport->d_id.b.domain, fcport->d_id.b.area, 1335 fcport->d_id.b.al_pa, mbx->entry_status, 1336 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1337 le16_to_cpu(mbx->status_flags)); 1338 1339 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1340 (uint8_t *)mbx, sizeof(*mbx)); 1341 1342 goto logio_done; 1343 } 1344 1345 status = le16_to_cpu(mbx->status); 1346 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1347 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1348 status = 0; 1349 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1350 ql_dbg(ql_dbg_async, vha, 0x5045, 1351 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1352 type, sp->handle, fcport->d_id.b.domain, 1353 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1354 le16_to_cpu(mbx->mb1)); 1355 1356 data[0] = MBS_COMMAND_COMPLETE; 1357 if (sp->type == SRB_LOGIN_CMD) { 1358 fcport->port_type = FCT_TARGET; 1359 if (le16_to_cpu(mbx->mb1) & BIT_0) 1360 fcport->port_type = FCT_INITIATOR; 1361 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1362 fcport->flags |= FCF_FCP2_DEVICE; 1363 } 1364 goto logio_done; 1365 } 1366 1367 data[0] = le16_to_cpu(mbx->mb0); 1368 switch (data[0]) { 1369 case MBS_PORT_ID_USED: 1370 data[1] = le16_to_cpu(mbx->mb1); 1371 break; 1372 case MBS_LOOP_ID_USED: 1373 break; 1374 default: 1375 data[0] = MBS_COMMAND_ERROR; 1376 break; 1377 } 1378 1379 ql_log(ql_log_warn, vha, 0x5046, 1380 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1381 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1382 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1383 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1384 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1385 le16_to_cpu(mbx->mb7)); 1386 1387 logio_done: 1388 sp->done(sp, 0); 1389 } 1390 1391 static void 1392 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1393 struct mbx_24xx_entry *pkt) 1394 { 1395 const char func[] = "MBX-IOCB2"; 1396 srb_t *sp; 1397 struct srb_iocb *si; 1398 u16 sz, i; 1399 int res; 1400 1401 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1402 if (!sp) 1403 return; 1404 1405 si = &sp->u.iocb_cmd; 1406 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); 1407 1408 for (i = 0; i < sz; i++) 1409 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]); 1410 1411 res = (si->u.mbx.in_mb[0] & MBS_MASK); 1412 1413 sp->done(sp, res); 1414 } 1415 1416 static void 1417 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1418 struct nack_to_isp *pkt) 1419 { 1420 const char func[] = "nack"; 1421 srb_t *sp; 1422 int res = 0; 1423 1424 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1425 if (!sp) 1426 return; 1427 1428 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) 1429 res = QLA_FUNCTION_FAILED; 1430 1431 sp->done(sp, res); 1432 } 1433 1434 static void 1435 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1436 sts_entry_t *pkt, int iocb_type) 1437 { 1438 const char func[] = "CT_IOCB"; 1439 const char *type; 1440 srb_t *sp; 1441 struct bsg_job *bsg_job; 1442 struct fc_bsg_reply *bsg_reply; 1443 uint16_t comp_status; 1444 int res = 0; 1445 1446 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1447 if (!sp) 1448 return; 1449 1450 switch (sp->type) { 1451 case SRB_CT_CMD: 1452 bsg_job = sp->u.bsg_job; 1453 bsg_reply = bsg_job->reply; 1454 1455 type = "ct pass-through"; 1456 1457 comp_status = le16_to_cpu(pkt->comp_status); 1458 1459 /* 1460 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1461 * fc payload to the caller 1462 */ 1463 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1464 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1465 1466 if (comp_status != CS_COMPLETE) { 1467 if (comp_status == CS_DATA_UNDERRUN) { 1468 res = DID_OK << 16; 1469 bsg_reply->reply_payload_rcv_len = 1470 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); 1471 1472 ql_log(ql_log_warn, vha, 0x5048, 1473 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", 1474 type, comp_status, 1475 bsg_reply->reply_payload_rcv_len); 1476 } else { 1477 ql_log(ql_log_warn, vha, 0x5049, 1478 "CT pass-through-%s error comp_status=0x%x.\n", 1479 type, comp_status); 1480 res = DID_ERROR << 16; 1481 bsg_reply->reply_payload_rcv_len = 0; 1482 } 1483 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 1484 (uint8_t *)pkt, sizeof(*pkt)); 1485 } else { 1486 res = DID_OK << 16; 1487 bsg_reply->reply_payload_rcv_len = 1488 bsg_job->reply_payload.payload_len; 1489 bsg_job->reply_len = 0; 1490 } 1491 break; 1492 case SRB_CT_PTHRU_CMD: 1493 /* 1494 * borrowing sts_entry_24xx.comp_status. 1495 * same location as ct_entry_24xx.comp_status 1496 */ 1497 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 1498 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1499 sp->name); 1500 break; 1501 } 1502 1503 sp->done(sp, res); 1504 } 1505 1506 static void 1507 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1508 struct sts_entry_24xx *pkt, int iocb_type) 1509 { 1510 const char func[] = "ELS_CT_IOCB"; 1511 const char *type; 1512 srb_t *sp; 1513 struct bsg_job *bsg_job; 1514 struct fc_bsg_reply *bsg_reply; 1515 uint16_t comp_status; 1516 uint32_t fw_status[3]; 1517 uint8_t* fw_sts_ptr; 1518 int res; 1519 1520 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1521 if (!sp) 1522 return; 1523 bsg_job = sp->u.bsg_job; 1524 bsg_reply = bsg_job->reply; 1525 1526 type = NULL; 1527 switch (sp->type) { 1528 case SRB_ELS_CMD_RPT: 1529 case SRB_ELS_CMD_HST: 1530 type = "els"; 1531 break; 1532 case SRB_CT_CMD: 1533 type = "ct pass-through"; 1534 break; 1535 case SRB_ELS_DCMD: 1536 type = "Driver ELS logo"; 1537 ql_dbg(ql_dbg_user, vha, 0x5047, 1538 "Completing %s: (%p) type=%d.\n", type, sp, sp->type); 1539 sp->done(sp, 0); 1540 return; 1541 case SRB_CT_PTHRU_CMD: 1542 /* borrowing sts_entry_24xx.comp_status. 1543 same location as ct_entry_24xx.comp_status 1544 */ 1545 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 1546 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1547 sp->name); 1548 sp->done(sp, res); 1549 return; 1550 default: 1551 ql_dbg(ql_dbg_user, vha, 0x503e, 1552 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 1553 return; 1554 } 1555 1556 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 1557 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); 1558 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); 1559 1560 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1561 * fc payload to the caller 1562 */ 1563 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1564 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 1565 1566 if (comp_status != CS_COMPLETE) { 1567 if (comp_status == CS_DATA_UNDERRUN) { 1568 res = DID_OK << 16; 1569 bsg_reply->reply_payload_rcv_len = 1570 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); 1571 1572 ql_dbg(ql_dbg_user, vha, 0x503f, 1573 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1574 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 1575 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1576 le16_to_cpu(((struct els_sts_entry_24xx *) 1577 pkt)->total_byte_count)); 1578 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) + 1579 sizeof(struct fc_bsg_reply); 1580 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); 1581 } 1582 else { 1583 ql_dbg(ql_dbg_user, vha, 0x5040, 1584 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1585 "error subcode 1=0x%x error subcode 2=0x%x.\n", 1586 type, sp->handle, comp_status, 1587 le16_to_cpu(((struct els_sts_entry_24xx *) 1588 pkt)->error_subcode_1), 1589 le16_to_cpu(((struct els_sts_entry_24xx *) 1590 pkt)->error_subcode_2)); 1591 res = DID_ERROR << 16; 1592 bsg_reply->reply_payload_rcv_len = 0; 1593 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) + 1594 sizeof(struct fc_bsg_reply); 1595 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); 1596 } 1597 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 1598 (uint8_t *)pkt, sizeof(*pkt)); 1599 } 1600 else { 1601 res = DID_OK << 16; 1602 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 1603 bsg_job->reply_len = 0; 1604 } 1605 1606 sp->done(sp, res); 1607 } 1608 1609 static void 1610 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 1611 struct logio_entry_24xx *logio) 1612 { 1613 const char func[] = "LOGIO-IOCB"; 1614 const char *type; 1615 fc_port_t *fcport; 1616 srb_t *sp; 1617 struct srb_iocb *lio; 1618 uint16_t *data; 1619 uint32_t iop[2]; 1620 1621 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 1622 if (!sp) 1623 return; 1624 1625 lio = &sp->u.iocb_cmd; 1626 type = sp->name; 1627 fcport = sp->fcport; 1628 data = lio->u.logio.data; 1629 1630 data[0] = MBS_COMMAND_ERROR; 1631 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1632 QLA_LOGIO_LOGIN_RETRIED : 0; 1633 if (logio->entry_status) { 1634 ql_log(ql_log_warn, fcport->vha, 0x5034, 1635 "Async-%s error entry - %8phC hdl=%x" 1636 "portid=%02x%02x%02x entry-status=%x.\n", 1637 type, fcport->port_name, sp->handle, fcport->d_id.b.domain, 1638 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1639 logio->entry_status); 1640 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 1641 (uint8_t *)logio, sizeof(*logio)); 1642 1643 goto logio_done; 1644 } 1645 1646 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 1647 ql_dbg(ql_dbg_async, fcport->vha, 0x5036, 1648 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x " 1649 "iop0=%x.\n", type, fcport->port_name, sp->handle, 1650 fcport->d_id.b.domain, 1651 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1652 le32_to_cpu(logio->io_parameter[0])); 1653 1654 vha->hw->exch_starvation = 0; 1655 data[0] = MBS_COMMAND_COMPLETE; 1656 if (sp->type != SRB_LOGIN_CMD) 1657 goto logio_done; 1658 1659 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1660 if (iop[0] & BIT_4) { 1661 fcport->port_type = FCT_TARGET; 1662 if (iop[0] & BIT_8) 1663 fcport->flags |= FCF_FCP2_DEVICE; 1664 } else if (iop[0] & BIT_5) 1665 fcport->port_type = FCT_INITIATOR; 1666 1667 if (iop[0] & BIT_7) 1668 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 1669 1670 if (logio->io_parameter[7] || logio->io_parameter[8]) 1671 fcport->supported_classes |= FC_COS_CLASS2; 1672 if (logio->io_parameter[9] || logio->io_parameter[10]) 1673 fcport->supported_classes |= FC_COS_CLASS3; 1674 1675 goto logio_done; 1676 } 1677 1678 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1679 iop[1] = le32_to_cpu(logio->io_parameter[1]); 1680 lio->u.logio.iop[0] = iop[0]; 1681 lio->u.logio.iop[1] = iop[1]; 1682 switch (iop[0]) { 1683 case LSC_SCODE_PORTID_USED: 1684 data[0] = MBS_PORT_ID_USED; 1685 data[1] = LSW(iop[1]); 1686 break; 1687 case LSC_SCODE_NPORT_USED: 1688 data[0] = MBS_LOOP_ID_USED; 1689 break; 1690 case LSC_SCODE_CMD_FAILED: 1691 if (iop[1] == 0x0606) { 1692 /* 1693 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, 1694 * Target side acked. 1695 */ 1696 data[0] = MBS_COMMAND_COMPLETE; 1697 goto logio_done; 1698 } 1699 data[0] = MBS_COMMAND_ERROR; 1700 break; 1701 case LSC_SCODE_NOXCB: 1702 vha->hw->exch_starvation++; 1703 if (vha->hw->exch_starvation > 5) { 1704 ql_log(ql_log_warn, vha, 0xffff, 1705 "Exchange starvation. Resetting RISC\n"); 1706 1707 vha->hw->exch_starvation = 0; 1708 1709 if (IS_P3P_TYPE(vha->hw)) 1710 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1711 else 1712 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1713 qla2xxx_wake_dpc(vha); 1714 } 1715 /* drop through */ 1716 default: 1717 data[0] = MBS_COMMAND_ERROR; 1718 break; 1719 } 1720 1721 ql_dbg(ql_dbg_async, fcport->vha, 0x5037, 1722 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x " 1723 "iop0=%x iop1=%x.\n", type, fcport->port_name, 1724 sp->handle, fcport->d_id.b.domain, 1725 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1726 le16_to_cpu(logio->comp_status), 1727 le32_to_cpu(logio->io_parameter[0]), 1728 le32_to_cpu(logio->io_parameter[1])); 1729 1730 logio_done: 1731 sp->done(sp, 0); 1732 } 1733 1734 static void 1735 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 1736 { 1737 const char func[] = "TMF-IOCB"; 1738 const char *type; 1739 fc_port_t *fcport; 1740 srb_t *sp; 1741 struct srb_iocb *iocb; 1742 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1743 1744 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1745 if (!sp) 1746 return; 1747 1748 iocb = &sp->u.iocb_cmd; 1749 type = sp->name; 1750 fcport = sp->fcport; 1751 iocb->u.tmf.data = QLA_SUCCESS; 1752 1753 if (sts->entry_status) { 1754 ql_log(ql_log_warn, fcport->vha, 0x5038, 1755 "Async-%s error - hdl=%x entry-status(%x).\n", 1756 type, sp->handle, sts->entry_status); 1757 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1758 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 1759 ql_log(ql_log_warn, fcport->vha, 0x5039, 1760 "Async-%s error - hdl=%x completion status(%x).\n", 1761 type, sp->handle, sts->comp_status); 1762 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1763 } else if ((le16_to_cpu(sts->scsi_status) & 1764 SS_RESPONSE_INFO_LEN_VALID)) { 1765 if (le32_to_cpu(sts->rsp_data_len) < 4) { 1766 ql_log(ql_log_warn, fcport->vha, 0x503b, 1767 "Async-%s error - hdl=%x not enough response(%d).\n", 1768 type, sp->handle, sts->rsp_data_len); 1769 } else if (sts->data[3]) { 1770 ql_log(ql_log_warn, fcport->vha, 0x503c, 1771 "Async-%s error - hdl=%x response(%x).\n", 1772 type, sp->handle, sts->data[3]); 1773 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1774 } 1775 } 1776 1777 if (iocb->u.tmf.data != QLA_SUCCESS) 1778 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, 1779 (uint8_t *)sts, sizeof(*sts)); 1780 1781 sp->done(sp, 0); 1782 } 1783 1784 /** 1785 * qla2x00_process_response_queue() - Process response queue entries. 1786 * @ha: SCSI driver HA context 1787 */ 1788 void 1789 qla2x00_process_response_queue(struct rsp_que *rsp) 1790 { 1791 struct scsi_qla_host *vha; 1792 struct qla_hw_data *ha = rsp->hw; 1793 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1794 sts_entry_t *pkt; 1795 uint16_t handle_cnt; 1796 uint16_t cnt; 1797 1798 vha = pci_get_drvdata(ha->pdev); 1799 1800 if (!vha->flags.online) 1801 return; 1802 1803 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 1804 pkt = (sts_entry_t *)rsp->ring_ptr; 1805 1806 rsp->ring_index++; 1807 if (rsp->ring_index == rsp->length) { 1808 rsp->ring_index = 0; 1809 rsp->ring_ptr = rsp->ring; 1810 } else { 1811 rsp->ring_ptr++; 1812 } 1813 1814 if (pkt->entry_status != 0) { 1815 qla2x00_error_entry(vha, rsp, pkt); 1816 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 1817 wmb(); 1818 continue; 1819 } 1820 1821 switch (pkt->entry_type) { 1822 case STATUS_TYPE: 1823 qla2x00_status_entry(vha, rsp, pkt); 1824 break; 1825 case STATUS_TYPE_21: 1826 handle_cnt = ((sts21_entry_t *)pkt)->handle_count; 1827 for (cnt = 0; cnt < handle_cnt; cnt++) { 1828 qla2x00_process_completed_request(vha, rsp->req, 1829 ((sts21_entry_t *)pkt)->handle[cnt]); 1830 } 1831 break; 1832 case STATUS_TYPE_22: 1833 handle_cnt = ((sts22_entry_t *)pkt)->handle_count; 1834 for (cnt = 0; cnt < handle_cnt; cnt++) { 1835 qla2x00_process_completed_request(vha, rsp->req, 1836 ((sts22_entry_t *)pkt)->handle[cnt]); 1837 } 1838 break; 1839 case STATUS_CONT_TYPE: 1840 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 1841 break; 1842 case MBX_IOCB_TYPE: 1843 qla2x00_mbx_iocb_entry(vha, rsp->req, 1844 (struct mbx_entry *)pkt); 1845 break; 1846 case CT_IOCB_TYPE: 1847 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 1848 break; 1849 default: 1850 /* Type Not Supported. */ 1851 ql_log(ql_log_warn, vha, 0x504a, 1852 "Received unknown response pkt type %x " 1853 "entry status=%x.\n", 1854 pkt->entry_type, pkt->entry_status); 1855 break; 1856 } 1857 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 1858 wmb(); 1859 } 1860 1861 /* Adjust ring index */ 1862 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 1863 } 1864 1865 static inline void 1866 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 1867 uint32_t sense_len, struct rsp_que *rsp, int res) 1868 { 1869 struct scsi_qla_host *vha = sp->vha; 1870 struct scsi_cmnd *cp = GET_CMD_SP(sp); 1871 uint32_t track_sense_len; 1872 1873 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 1874 sense_len = SCSI_SENSE_BUFFERSIZE; 1875 1876 SET_CMD_SENSE_LEN(sp, sense_len); 1877 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 1878 track_sense_len = sense_len; 1879 1880 if (sense_len > par_sense_len) 1881 sense_len = par_sense_len; 1882 1883 memcpy(cp->sense_buffer, sense_data, sense_len); 1884 1885 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 1886 track_sense_len -= sense_len; 1887 SET_CMD_SENSE_LEN(sp, track_sense_len); 1888 1889 if (track_sense_len != 0) { 1890 rsp->status_srb = sp; 1891 cp->result = res; 1892 } 1893 1894 if (sense_len) { 1895 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 1896 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 1897 sp->vha->host_no, cp->device->id, cp->device->lun, 1898 cp); 1899 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 1900 cp->sense_buffer, sense_len); 1901 } 1902 } 1903 1904 struct scsi_dif_tuple { 1905 __be16 guard; /* Checksum */ 1906 __be16 app_tag; /* APPL identifier */ 1907 __be32 ref_tag; /* Target LBA or indirect LBA */ 1908 }; 1909 1910 /* 1911 * Checks the guard or meta-data for the type of error 1912 * detected by the HBA. In case of errors, we set the 1913 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 1914 * to indicate to the kernel that the HBA detected error. 1915 */ 1916 static inline int 1917 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 1918 { 1919 struct scsi_qla_host *vha = sp->vha; 1920 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 1921 uint8_t *ap = &sts24->data[12]; 1922 uint8_t *ep = &sts24->data[20]; 1923 uint32_t e_ref_tag, a_ref_tag; 1924 uint16_t e_app_tag, a_app_tag; 1925 uint16_t e_guard, a_guard; 1926 1927 /* 1928 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 1929 * would make guard field appear at offset 2 1930 */ 1931 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); 1932 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); 1933 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); 1934 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); 1935 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); 1936 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); 1937 1938 ql_dbg(ql_dbg_io, vha, 0x3023, 1939 "iocb(s) %p Returned STATUS.\n", sts24); 1940 1941 ql_dbg(ql_dbg_io, vha, 0x3024, 1942 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 1943 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 1944 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 1945 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 1946 a_app_tag, e_app_tag, a_guard, e_guard); 1947 1948 /* 1949 * Ignore sector if: 1950 * For type 3: ref & app tag is all 'f's 1951 * For type 0,1,2: app tag is all 'f's 1952 */ 1953 if ((a_app_tag == 0xffff) && 1954 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 1955 (a_ref_tag == 0xffffffff))) { 1956 uint32_t blocks_done, resid; 1957 sector_t lba_s = scsi_get_lba(cmd); 1958 1959 /* 2TB boundary case covered automatically with this */ 1960 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 1961 1962 resid = scsi_bufflen(cmd) - (blocks_done * 1963 cmd->device->sector_size); 1964 1965 scsi_set_resid(cmd, resid); 1966 cmd->result = DID_OK << 16; 1967 1968 /* Update protection tag */ 1969 if (scsi_prot_sg_count(cmd)) { 1970 uint32_t i, j = 0, k = 0, num_ent; 1971 struct scatterlist *sg; 1972 struct t10_pi_tuple *spt; 1973 1974 /* Patch the corresponding protection tags */ 1975 scsi_for_each_prot_sg(cmd, sg, 1976 scsi_prot_sg_count(cmd), i) { 1977 num_ent = sg_dma_len(sg) / 8; 1978 if (k + num_ent < blocks_done) { 1979 k += num_ent; 1980 continue; 1981 } 1982 j = blocks_done - k - 1; 1983 k = blocks_done; 1984 break; 1985 } 1986 1987 if (k != blocks_done) { 1988 ql_log(ql_log_warn, vha, 0x302f, 1989 "unexpected tag values tag:lba=%x:%llx)\n", 1990 e_ref_tag, (unsigned long long)lba_s); 1991 return 1; 1992 } 1993 1994 spt = page_address(sg_page(sg)) + sg->offset; 1995 spt += j; 1996 1997 spt->app_tag = 0xffff; 1998 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 1999 spt->ref_tag = 0xffffffff; 2000 } 2001 2002 return 0; 2003 } 2004 2005 /* check guard */ 2006 if (e_guard != a_guard) { 2007 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2008 0x10, 0x1); 2009 set_driver_byte(cmd, DRIVER_SENSE); 2010 set_host_byte(cmd, DID_ABORT); 2011 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 2012 return 1; 2013 } 2014 2015 /* check ref tag */ 2016 if (e_ref_tag != a_ref_tag) { 2017 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2018 0x10, 0x3); 2019 set_driver_byte(cmd, DRIVER_SENSE); 2020 set_host_byte(cmd, DID_ABORT); 2021 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 2022 return 1; 2023 } 2024 2025 /* check appl tag */ 2026 if (e_app_tag != a_app_tag) { 2027 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2028 0x10, 0x2); 2029 set_driver_byte(cmd, DRIVER_SENSE); 2030 set_host_byte(cmd, DID_ABORT); 2031 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 2032 return 1; 2033 } 2034 2035 return 1; 2036 } 2037 2038 static void 2039 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 2040 struct req_que *req, uint32_t index) 2041 { 2042 struct qla_hw_data *ha = vha->hw; 2043 srb_t *sp; 2044 uint16_t comp_status; 2045 uint16_t scsi_status; 2046 uint16_t thread_id; 2047 uint32_t rval = EXT_STATUS_OK; 2048 struct bsg_job *bsg_job = NULL; 2049 struct fc_bsg_request *bsg_request; 2050 struct fc_bsg_reply *bsg_reply; 2051 sts_entry_t *sts; 2052 struct sts_entry_24xx *sts24; 2053 sts = (sts_entry_t *) pkt; 2054 sts24 = (struct sts_entry_24xx *) pkt; 2055 2056 /* Validate handle. */ 2057 if (index >= req->num_outstanding_cmds) { 2058 ql_log(ql_log_warn, vha, 0x70af, 2059 "Invalid SCSI completion handle 0x%x.\n", index); 2060 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2061 return; 2062 } 2063 2064 sp = req->outstanding_cmds[index]; 2065 if (!sp) { 2066 ql_log(ql_log_warn, vha, 0x70b0, 2067 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 2068 req->id, index); 2069 2070 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2071 return; 2072 } 2073 2074 /* Free outstanding command slot. */ 2075 req->outstanding_cmds[index] = NULL; 2076 bsg_job = sp->u.bsg_job; 2077 bsg_request = bsg_job->request; 2078 bsg_reply = bsg_job->reply; 2079 2080 if (IS_FWI2_CAPABLE(ha)) { 2081 comp_status = le16_to_cpu(sts24->comp_status); 2082 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2083 } else { 2084 comp_status = le16_to_cpu(sts->comp_status); 2085 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2086 } 2087 2088 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 2089 switch (comp_status) { 2090 case CS_COMPLETE: 2091 if (scsi_status == 0) { 2092 bsg_reply->reply_payload_rcv_len = 2093 bsg_job->reply_payload.payload_len; 2094 vha->qla_stats.input_bytes += 2095 bsg_reply->reply_payload_rcv_len; 2096 vha->qla_stats.input_requests++; 2097 rval = EXT_STATUS_OK; 2098 } 2099 goto done; 2100 2101 case CS_DATA_OVERRUN: 2102 ql_dbg(ql_dbg_user, vha, 0x70b1, 2103 "Command completed with data overrun thread_id=%d\n", 2104 thread_id); 2105 rval = EXT_STATUS_DATA_OVERRUN; 2106 break; 2107 2108 case CS_DATA_UNDERRUN: 2109 ql_dbg(ql_dbg_user, vha, 0x70b2, 2110 "Command completed with data underrun thread_id=%d\n", 2111 thread_id); 2112 rval = EXT_STATUS_DATA_UNDERRUN; 2113 break; 2114 case CS_BIDIR_RD_OVERRUN: 2115 ql_dbg(ql_dbg_user, vha, 0x70b3, 2116 "Command completed with read data overrun thread_id=%d\n", 2117 thread_id); 2118 rval = EXT_STATUS_DATA_OVERRUN; 2119 break; 2120 2121 case CS_BIDIR_RD_WR_OVERRUN: 2122 ql_dbg(ql_dbg_user, vha, 0x70b4, 2123 "Command completed with read and write data overrun " 2124 "thread_id=%d\n", thread_id); 2125 rval = EXT_STATUS_DATA_OVERRUN; 2126 break; 2127 2128 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 2129 ql_dbg(ql_dbg_user, vha, 0x70b5, 2130 "Command completed with read data over and write data " 2131 "underrun thread_id=%d\n", thread_id); 2132 rval = EXT_STATUS_DATA_OVERRUN; 2133 break; 2134 2135 case CS_BIDIR_RD_UNDERRUN: 2136 ql_dbg(ql_dbg_user, vha, 0x70b6, 2137 "Command completed with read data underrun " 2138 "thread_id=%d\n", thread_id); 2139 rval = EXT_STATUS_DATA_UNDERRUN; 2140 break; 2141 2142 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 2143 ql_dbg(ql_dbg_user, vha, 0x70b7, 2144 "Command completed with read data under and write data " 2145 "overrun thread_id=%d\n", thread_id); 2146 rval = EXT_STATUS_DATA_UNDERRUN; 2147 break; 2148 2149 case CS_BIDIR_RD_WR_UNDERRUN: 2150 ql_dbg(ql_dbg_user, vha, 0x70b8, 2151 "Command completed with read and write data underrun " 2152 "thread_id=%d\n", thread_id); 2153 rval = EXT_STATUS_DATA_UNDERRUN; 2154 break; 2155 2156 case CS_BIDIR_DMA: 2157 ql_dbg(ql_dbg_user, vha, 0x70b9, 2158 "Command completed with data DMA error thread_id=%d\n", 2159 thread_id); 2160 rval = EXT_STATUS_DMA_ERR; 2161 break; 2162 2163 case CS_TIMEOUT: 2164 ql_dbg(ql_dbg_user, vha, 0x70ba, 2165 "Command completed with timeout thread_id=%d\n", 2166 thread_id); 2167 rval = EXT_STATUS_TIMEOUT; 2168 break; 2169 default: 2170 ql_dbg(ql_dbg_user, vha, 0x70bb, 2171 "Command completed with completion status=0x%x " 2172 "thread_id=%d\n", comp_status, thread_id); 2173 rval = EXT_STATUS_ERR; 2174 break; 2175 } 2176 bsg_reply->reply_payload_rcv_len = 0; 2177 2178 done: 2179 /* Return the vendor specific reply to API */ 2180 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 2181 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2182 /* Always return DID_OK, bsg will send the vendor specific response 2183 * in this case only */ 2184 sp->done(sp, DID_OK << 6); 2185 2186 } 2187 2188 /** 2189 * qla2x00_status_entry() - Process a Status IOCB entry. 2190 * @ha: SCSI driver HA context 2191 * @pkt: Entry pointer 2192 */ 2193 static void 2194 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2195 { 2196 srb_t *sp; 2197 fc_port_t *fcport; 2198 struct scsi_cmnd *cp; 2199 sts_entry_t *sts; 2200 struct sts_entry_24xx *sts24; 2201 uint16_t comp_status; 2202 uint16_t scsi_status; 2203 uint16_t ox_id; 2204 uint8_t lscsi_status; 2205 int32_t resid; 2206 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2207 fw_resid_len; 2208 uint8_t *rsp_info, *sense_data; 2209 struct qla_hw_data *ha = vha->hw; 2210 uint32_t handle; 2211 uint16_t que; 2212 struct req_que *req; 2213 int logit = 1; 2214 int res = 0; 2215 uint16_t state_flags = 0; 2216 uint16_t retry_delay = 0; 2217 uint8_t no_logout = 0; 2218 2219 sts = (sts_entry_t *) pkt; 2220 sts24 = (struct sts_entry_24xx *) pkt; 2221 if (IS_FWI2_CAPABLE(ha)) { 2222 comp_status = le16_to_cpu(sts24->comp_status); 2223 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2224 state_flags = le16_to_cpu(sts24->state_flags); 2225 } else { 2226 comp_status = le16_to_cpu(sts->comp_status); 2227 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2228 } 2229 handle = (uint32_t) LSW(sts->handle); 2230 que = MSW(sts->handle); 2231 req = ha->req_q_map[que]; 2232 2233 /* Check for invalid queue pointer */ 2234 if (req == NULL || 2235 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 2236 ql_dbg(ql_dbg_io, vha, 0x3059, 2237 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 2238 "que=%u.\n", sts->handle, req, que); 2239 return; 2240 } 2241 2242 /* Validate handle. */ 2243 if (handle < req->num_outstanding_cmds) { 2244 sp = req->outstanding_cmds[handle]; 2245 if (!sp) { 2246 ql_dbg(ql_dbg_io, vha, 0x3075, 2247 "%s(%ld): Already returned command for status handle (0x%x).\n", 2248 __func__, vha->host_no, sts->handle); 2249 return; 2250 } 2251 } else { 2252 ql_dbg(ql_dbg_io, vha, 0x3017, 2253 "Invalid status handle, out of range (0x%x).\n", 2254 sts->handle); 2255 2256 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 2257 if (IS_P3P_TYPE(ha)) 2258 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2259 else 2260 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2261 qla2xxx_wake_dpc(vha); 2262 } 2263 return; 2264 } 2265 2266 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 2267 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 2268 return; 2269 } 2270 2271 /* Task Management completion. */ 2272 if (sp->type == SRB_TM_CMD) { 2273 qla24xx_tm_iocb_entry(vha, req, pkt); 2274 return; 2275 } 2276 2277 /* Fast path completion. */ 2278 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2279 qla2x00_process_completed_request(vha, req, handle); 2280 2281 return; 2282 } 2283 2284 req->outstanding_cmds[handle] = NULL; 2285 cp = GET_CMD_SP(sp); 2286 if (cp == NULL) { 2287 ql_dbg(ql_dbg_io, vha, 0x3018, 2288 "Command already returned (0x%x/%p).\n", 2289 sts->handle, sp); 2290 2291 return; 2292 } 2293 2294 lscsi_status = scsi_status & STATUS_MASK; 2295 2296 fcport = sp->fcport; 2297 2298 ox_id = 0; 2299 sense_len = par_sense_len = rsp_info_len = resid_len = 2300 fw_resid_len = 0; 2301 if (IS_FWI2_CAPABLE(ha)) { 2302 if (scsi_status & SS_SENSE_LEN_VALID) 2303 sense_len = le32_to_cpu(sts24->sense_len); 2304 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2305 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 2306 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 2307 resid_len = le32_to_cpu(sts24->rsp_residual_count); 2308 if (comp_status == CS_DATA_UNDERRUN) 2309 fw_resid_len = le32_to_cpu(sts24->residual_len); 2310 rsp_info = sts24->data; 2311 sense_data = sts24->data; 2312 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 2313 ox_id = le16_to_cpu(sts24->ox_id); 2314 par_sense_len = sizeof(sts24->data); 2315 /* Valid values of the retry delay timer are 0x1-0xffef */ 2316 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) 2317 retry_delay = sts24->retry_delay; 2318 } else { 2319 if (scsi_status & SS_SENSE_LEN_VALID) 2320 sense_len = le16_to_cpu(sts->req_sense_length); 2321 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2322 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 2323 resid_len = le32_to_cpu(sts->residual_length); 2324 rsp_info = sts->rsp_info; 2325 sense_data = sts->req_sense_data; 2326 par_sense_len = sizeof(sts->req_sense_data); 2327 } 2328 2329 /* Check for any FCP transport errors. */ 2330 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 2331 /* Sense data lies beyond any FCP RESPONSE data. */ 2332 if (IS_FWI2_CAPABLE(ha)) { 2333 sense_data += rsp_info_len; 2334 par_sense_len -= rsp_info_len; 2335 } 2336 if (rsp_info_len > 3 && rsp_info[3]) { 2337 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 2338 "FCP I/O protocol failure (0x%x/0x%x).\n", 2339 rsp_info_len, rsp_info[3]); 2340 2341 res = DID_BUS_BUSY << 16; 2342 goto out; 2343 } 2344 } 2345 2346 /* Check for overrun. */ 2347 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2348 scsi_status & SS_RESIDUAL_OVER) 2349 comp_status = CS_DATA_OVERRUN; 2350 2351 /* 2352 * Check retry_delay_timer value if we receive a busy or 2353 * queue full. 2354 */ 2355 if (lscsi_status == SAM_STAT_TASK_SET_FULL || 2356 lscsi_status == SAM_STAT_BUSY) 2357 qla2x00_set_retry_delay_timestamp(fcport, retry_delay); 2358 2359 /* 2360 * Based on Host and scsi status generate status code for Linux 2361 */ 2362 switch (comp_status) { 2363 case CS_COMPLETE: 2364 case CS_QUEUE_FULL: 2365 if (scsi_status == 0) { 2366 res = DID_OK << 16; 2367 break; 2368 } 2369 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2370 resid = resid_len; 2371 scsi_set_resid(cp, resid); 2372 2373 if (!lscsi_status && 2374 ((unsigned)(scsi_bufflen(cp) - resid) < 2375 cp->underflow)) { 2376 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2377 "Mid-layer underflow " 2378 "detected (0x%x of 0x%x bytes).\n", 2379 resid, scsi_bufflen(cp)); 2380 2381 res = DID_ERROR << 16; 2382 break; 2383 } 2384 } 2385 res = DID_OK << 16 | lscsi_status; 2386 2387 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2388 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2389 "QUEUE FULL detected.\n"); 2390 break; 2391 } 2392 logit = 0; 2393 if (lscsi_status != SS_CHECK_CONDITION) 2394 break; 2395 2396 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2397 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2398 break; 2399 2400 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2401 rsp, res); 2402 break; 2403 2404 case CS_DATA_UNDERRUN: 2405 /* Use F/W calculated residual length. */ 2406 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2407 scsi_set_resid(cp, resid); 2408 if (scsi_status & SS_RESIDUAL_UNDER) { 2409 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2410 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2411 "Dropped frame(s) detected " 2412 "(0x%x of 0x%x bytes).\n", 2413 resid, scsi_bufflen(cp)); 2414 2415 res = DID_ERROR << 16 | lscsi_status; 2416 goto check_scsi_status; 2417 } 2418 2419 if (!lscsi_status && 2420 ((unsigned)(scsi_bufflen(cp) - resid) < 2421 cp->underflow)) { 2422 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2423 "Mid-layer underflow " 2424 "detected (0x%x of 0x%x bytes).\n", 2425 resid, scsi_bufflen(cp)); 2426 2427 res = DID_ERROR << 16; 2428 break; 2429 } 2430 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2431 lscsi_status != SAM_STAT_BUSY) { 2432 /* 2433 * scsi status of task set and busy are considered to be 2434 * task not completed. 2435 */ 2436 2437 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2438 "Dropped frame(s) detected (0x%x " 2439 "of 0x%x bytes).\n", resid, 2440 scsi_bufflen(cp)); 2441 2442 res = DID_ERROR << 16 | lscsi_status; 2443 goto check_scsi_status; 2444 } else { 2445 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2446 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2447 scsi_status, lscsi_status); 2448 } 2449 2450 res = DID_OK << 16 | lscsi_status; 2451 logit = 0; 2452 2453 check_scsi_status: 2454 /* 2455 * Check to see if SCSI Status is non zero. If so report SCSI 2456 * Status. 2457 */ 2458 if (lscsi_status != 0) { 2459 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2460 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2461 "QUEUE FULL detected.\n"); 2462 logit = 1; 2463 break; 2464 } 2465 if (lscsi_status != SS_CHECK_CONDITION) 2466 break; 2467 2468 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2469 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2470 break; 2471 2472 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2473 sense_len, rsp, res); 2474 } 2475 break; 2476 2477 case CS_PORT_LOGGED_OUT: 2478 no_logout = 1; 2479 case CS_PORT_CONFIG_CHG: 2480 case CS_PORT_BUSY: 2481 case CS_INCOMPLETE: 2482 case CS_PORT_UNAVAILABLE: 2483 case CS_TIMEOUT: 2484 case CS_RESET: 2485 2486 /* 2487 * We are going to have the fc class block the rport 2488 * while we try to recover so instruct the mid layer 2489 * to requeue until the class decides how to handle this. 2490 */ 2491 res = DID_TRANSPORT_DISRUPTED << 16; 2492 2493 if (comp_status == CS_TIMEOUT) { 2494 if (IS_FWI2_CAPABLE(ha)) 2495 break; 2496 else if ((le16_to_cpu(sts->status_flags) & 2497 SF_LOGOUT_SENT) == 0) 2498 break; 2499 } 2500 2501 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2502 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2503 "Port to be marked lost on fcport=%02x%02x%02x, current " 2504 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 2505 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2506 port_state_str[atomic_read(&fcport->state)], 2507 comp_status); 2508 2509 if (no_logout) 2510 fcport->logout_on_delete = 0; 2511 2512 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 2513 qlt_schedule_sess_for_deletion_lock(fcport); 2514 } 2515 2516 break; 2517 2518 case CS_ABORTED: 2519 res = DID_RESET << 16; 2520 break; 2521 2522 case CS_DIF_ERROR: 2523 logit = qla2x00_handle_dif_error(sp, sts24); 2524 res = cp->result; 2525 break; 2526 2527 case CS_TRANSPORT: 2528 res = DID_ERROR << 16; 2529 2530 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2531 break; 2532 2533 if (state_flags & BIT_4) 2534 scmd_printk(KERN_WARNING, cp, 2535 "Unsupported device '%s' found.\n", 2536 cp->device->vendor); 2537 break; 2538 2539 default: 2540 res = DID_ERROR << 16; 2541 break; 2542 } 2543 2544 out: 2545 if (logit) 2546 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 2547 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 2548 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " 2549 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 2550 comp_status, scsi_status, res, vha->host_no, 2551 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 2552 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 2553 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2554 resid_len, fw_resid_len, sp, cp); 2555 2556 if (rsp->status_srb == NULL) 2557 sp->done(sp, res); 2558 } 2559 2560 /** 2561 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 2562 * @ha: SCSI driver HA context 2563 * @pkt: Entry pointer 2564 * 2565 * Extended sense data. 2566 */ 2567 static void 2568 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2569 { 2570 uint8_t sense_sz = 0; 2571 struct qla_hw_data *ha = rsp->hw; 2572 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2573 srb_t *sp = rsp->status_srb; 2574 struct scsi_cmnd *cp; 2575 uint32_t sense_len; 2576 uint8_t *sense_ptr; 2577 2578 if (!sp || !GET_CMD_SENSE_LEN(sp)) 2579 return; 2580 2581 sense_len = GET_CMD_SENSE_LEN(sp); 2582 sense_ptr = GET_CMD_SENSE_PTR(sp); 2583 2584 cp = GET_CMD_SP(sp); 2585 if (cp == NULL) { 2586 ql_log(ql_log_warn, vha, 0x3025, 2587 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2588 2589 rsp->status_srb = NULL; 2590 return; 2591 } 2592 2593 if (sense_len > sizeof(pkt->data)) 2594 sense_sz = sizeof(pkt->data); 2595 else 2596 sense_sz = sense_len; 2597 2598 /* Move sense data. */ 2599 if (IS_FWI2_CAPABLE(ha)) 2600 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 2601 memcpy(sense_ptr, pkt->data, sense_sz); 2602 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 2603 sense_ptr, sense_sz); 2604 2605 sense_len -= sense_sz; 2606 sense_ptr += sense_sz; 2607 2608 SET_CMD_SENSE_PTR(sp, sense_ptr); 2609 SET_CMD_SENSE_LEN(sp, sense_len); 2610 2611 /* Place command on done queue. */ 2612 if (sense_len == 0) { 2613 rsp->status_srb = NULL; 2614 sp->done(sp, cp->result); 2615 } 2616 } 2617 2618 /** 2619 * qla2x00_error_entry() - Process an error entry. 2620 * @ha: SCSI driver HA context 2621 * @pkt: Entry pointer 2622 */ 2623 static void 2624 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 2625 { 2626 srb_t *sp; 2627 struct qla_hw_data *ha = vha->hw; 2628 const char func[] = "ERROR-IOCB"; 2629 uint16_t que = MSW(pkt->handle); 2630 struct req_que *req = NULL; 2631 int res = DID_ERROR << 16; 2632 2633 ql_dbg(ql_dbg_async, vha, 0x502a, 2634 "type of error status in response: 0x%x\n", pkt->entry_status); 2635 2636 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 2637 goto fatal; 2638 2639 req = ha->req_q_map[que]; 2640 2641 if (pkt->entry_status & RF_BUSY) 2642 res = DID_BUS_BUSY << 16; 2643 2644 if (pkt->entry_type == NOTIFY_ACK_TYPE && 2645 pkt->handle == QLA_TGT_SKIP_HANDLE) 2646 return; 2647 2648 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2649 if (sp) { 2650 sp->done(sp, res); 2651 return; 2652 } 2653 fatal: 2654 ql_log(ql_log_warn, vha, 0x5030, 2655 "Error entry - invalid handle/queue (%04x).\n", que); 2656 } 2657 2658 /** 2659 * qla24xx_mbx_completion() - Process mailbox command completions. 2660 * @ha: SCSI driver HA context 2661 * @mb0: Mailbox0 register 2662 */ 2663 static void 2664 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2665 { 2666 uint16_t cnt; 2667 uint32_t mboxes; 2668 uint16_t __iomem *wptr; 2669 struct qla_hw_data *ha = vha->hw; 2670 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2671 2672 /* Read all mbox registers? */ 2673 mboxes = (1 << ha->mbx_count) - 1; 2674 if (!ha->mcp) 2675 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 2676 else 2677 mboxes = ha->mcp->in_mb; 2678 2679 /* Load return mailbox registers. */ 2680 ha->flags.mbox_int = 1; 2681 ha->mailbox_out[0] = mb0; 2682 mboxes >>= 1; 2683 wptr = (uint16_t __iomem *)®->mailbox1; 2684 2685 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2686 if (mboxes & BIT_0) 2687 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2688 2689 mboxes >>= 1; 2690 wptr++; 2691 } 2692 } 2693 2694 static void 2695 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2696 struct abort_entry_24xx *pkt) 2697 { 2698 const char func[] = "ABT_IOCB"; 2699 srb_t *sp; 2700 struct srb_iocb *abt; 2701 2702 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2703 if (!sp) 2704 return; 2705 2706 abt = &sp->u.iocb_cmd; 2707 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle); 2708 sp->done(sp, 0); 2709 } 2710 2711 /** 2712 * qla24xx_process_response_queue() - Process response queue entries. 2713 * @ha: SCSI driver HA context 2714 */ 2715 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 2716 struct rsp_que *rsp) 2717 { 2718 struct sts_entry_24xx *pkt; 2719 struct qla_hw_data *ha = vha->hw; 2720 2721 if (!ha->flags.fw_started) 2722 return; 2723 2724 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2725 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 2726 2727 rsp->ring_index++; 2728 if (rsp->ring_index == rsp->length) { 2729 rsp->ring_index = 0; 2730 rsp->ring_ptr = rsp->ring; 2731 } else { 2732 rsp->ring_ptr++; 2733 } 2734 2735 if (pkt->entry_status != 0) { 2736 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); 2737 2738 if (qlt_24xx_process_response_error(vha, pkt)) 2739 goto process_err; 2740 2741 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2742 wmb(); 2743 continue; 2744 } 2745 process_err: 2746 2747 switch (pkt->entry_type) { 2748 case STATUS_TYPE: 2749 qla2x00_status_entry(vha, rsp, pkt); 2750 break; 2751 case STATUS_CONT_TYPE: 2752 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2753 break; 2754 case VP_RPT_ID_IOCB_TYPE: 2755 qla24xx_report_id_acquisition(vha, 2756 (struct vp_rpt_id_entry_24xx *)pkt); 2757 break; 2758 case LOGINOUT_PORT_IOCB_TYPE: 2759 qla24xx_logio_entry(vha, rsp->req, 2760 (struct logio_entry_24xx *)pkt); 2761 break; 2762 case CT_IOCB_TYPE: 2763 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2764 break; 2765 case ELS_IOCB_TYPE: 2766 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 2767 break; 2768 case ABTS_RECV_24XX: 2769 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 2770 /* ensure that the ATIO queue is empty */ 2771 qlt_handle_abts_recv(vha, (response_t *)pkt); 2772 break; 2773 } else { 2774 /* drop through */ 2775 qlt_24xx_process_atio_queue(vha, 1); 2776 } 2777 case ABTS_RESP_24XX: 2778 case CTIO_TYPE7: 2779 case CTIO_CRC2: 2780 qlt_response_pkt_all_vps(vha, (response_t *)pkt); 2781 break; 2782 case NOTIFY_ACK_TYPE: 2783 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 2784 qlt_response_pkt_all_vps(vha, (response_t *)pkt); 2785 else 2786 qla24xxx_nack_iocb_entry(vha, rsp->req, 2787 (struct nack_to_isp *)pkt); 2788 break; 2789 case MARKER_TYPE: 2790 /* Do nothing in this case, this check is to prevent it 2791 * from falling into default case 2792 */ 2793 break; 2794 case ABORT_IOCB_TYPE: 2795 qla24xx_abort_iocb_entry(vha, rsp->req, 2796 (struct abort_entry_24xx *)pkt); 2797 break; 2798 case MBX_IOCB_TYPE: 2799 qla24xx_mbx_iocb_entry(vha, rsp->req, 2800 (struct mbx_24xx_entry *)pkt); 2801 break; 2802 default: 2803 /* Type Not Supported. */ 2804 ql_dbg(ql_dbg_async, vha, 0x5042, 2805 "Received unknown response pkt type %x " 2806 "entry status=%x.\n", 2807 pkt->entry_type, pkt->entry_status); 2808 break; 2809 } 2810 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2811 wmb(); 2812 } 2813 2814 /* Adjust ring index */ 2815 if (IS_P3P_TYPE(ha)) { 2816 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 2817 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 2818 } else { 2819 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 2820 } 2821 } 2822 2823 static void 2824 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 2825 { 2826 int rval; 2827 uint32_t cnt; 2828 struct qla_hw_data *ha = vha->hw; 2829 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2830 2831 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 2832 !IS_QLA27XX(ha)) 2833 return; 2834 2835 rval = QLA_SUCCESS; 2836 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 2837 RD_REG_DWORD(®->iobase_addr); 2838 WRT_REG_DWORD(®->iobase_window, 0x0001); 2839 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 2840 rval == QLA_SUCCESS; cnt--) { 2841 if (cnt) { 2842 WRT_REG_DWORD(®->iobase_window, 0x0001); 2843 udelay(10); 2844 } else 2845 rval = QLA_FUNCTION_TIMEOUT; 2846 } 2847 if (rval == QLA_SUCCESS) 2848 goto next_test; 2849 2850 rval = QLA_SUCCESS; 2851 WRT_REG_DWORD(®->iobase_window, 0x0003); 2852 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 2853 rval == QLA_SUCCESS; cnt--) { 2854 if (cnt) { 2855 WRT_REG_DWORD(®->iobase_window, 0x0003); 2856 udelay(10); 2857 } else 2858 rval = QLA_FUNCTION_TIMEOUT; 2859 } 2860 if (rval != QLA_SUCCESS) 2861 goto done; 2862 2863 next_test: 2864 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 2865 ql_log(ql_log_info, vha, 0x504c, 2866 "Additional code -- 0x55AA.\n"); 2867 2868 done: 2869 WRT_REG_DWORD(®->iobase_window, 0x0000); 2870 RD_REG_DWORD(®->iobase_window); 2871 } 2872 2873 /** 2874 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 2875 * @irq: 2876 * @dev_id: SCSI driver HA context 2877 * 2878 * Called by system whenever the host adapter generates an interrupt. 2879 * 2880 * Returns handled flag. 2881 */ 2882 irqreturn_t 2883 qla24xx_intr_handler(int irq, void *dev_id) 2884 { 2885 scsi_qla_host_t *vha; 2886 struct qla_hw_data *ha; 2887 struct device_reg_24xx __iomem *reg; 2888 int status; 2889 unsigned long iter; 2890 uint32_t stat; 2891 uint32_t hccr; 2892 uint16_t mb[8]; 2893 struct rsp_que *rsp; 2894 unsigned long flags; 2895 2896 rsp = (struct rsp_que *) dev_id; 2897 if (!rsp) { 2898 ql_log(ql_log_info, NULL, 0x5059, 2899 "%s: NULL response queue pointer.\n", __func__); 2900 return IRQ_NONE; 2901 } 2902 2903 ha = rsp->hw; 2904 reg = &ha->iobase->isp24; 2905 status = 0; 2906 2907 if (unlikely(pci_channel_offline(ha->pdev))) 2908 return IRQ_HANDLED; 2909 2910 spin_lock_irqsave(&ha->hardware_lock, flags); 2911 vha = pci_get_drvdata(ha->pdev); 2912 for (iter = 50; iter--; ) { 2913 stat = RD_REG_DWORD(®->host_status); 2914 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 2915 break; 2916 if (stat & HSRX_RISC_PAUSED) { 2917 if (unlikely(pci_channel_offline(ha->pdev))) 2918 break; 2919 2920 hccr = RD_REG_DWORD(®->hccr); 2921 2922 ql_log(ql_log_warn, vha, 0x504b, 2923 "RISC paused -- HCCR=%x, Dumping firmware.\n", 2924 hccr); 2925 2926 qla2xxx_check_risc_status(vha); 2927 2928 ha->isp_ops->fw_dump(vha, 1); 2929 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2930 break; 2931 } else if ((stat & HSRX_RISC_INT) == 0) 2932 break; 2933 2934 switch (stat & 0xff) { 2935 case INTR_ROM_MB_SUCCESS: 2936 case INTR_ROM_MB_FAILED: 2937 case INTR_MB_SUCCESS: 2938 case INTR_MB_FAILED: 2939 qla24xx_mbx_completion(vha, MSW(stat)); 2940 status |= MBX_INTERRUPT; 2941 2942 break; 2943 case INTR_ASYNC_EVENT: 2944 mb[0] = MSW(stat); 2945 mb[1] = RD_REG_WORD(®->mailbox1); 2946 mb[2] = RD_REG_WORD(®->mailbox2); 2947 mb[3] = RD_REG_WORD(®->mailbox3); 2948 qla2x00_async_event(vha, rsp, mb); 2949 break; 2950 case INTR_RSP_QUE_UPDATE: 2951 case INTR_RSP_QUE_UPDATE_83XX: 2952 qla24xx_process_response_queue(vha, rsp); 2953 break; 2954 case INTR_ATIO_QUE_UPDATE:{ 2955 unsigned long flags2; 2956 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 2957 qlt_24xx_process_atio_queue(vha, 1); 2958 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 2959 break; 2960 } 2961 case INTR_ATIO_RSP_QUE_UPDATE: { 2962 unsigned long flags2; 2963 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 2964 qlt_24xx_process_atio_queue(vha, 1); 2965 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 2966 2967 qla24xx_process_response_queue(vha, rsp); 2968 break; 2969 } 2970 default: 2971 ql_dbg(ql_dbg_async, vha, 0x504f, 2972 "Unrecognized interrupt type (%d).\n", stat * 0xff); 2973 break; 2974 } 2975 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2976 RD_REG_DWORD_RELAXED(®->hccr); 2977 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 2978 ndelay(3500); 2979 } 2980 qla2x00_handle_mbx_completion(ha, status); 2981 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2982 2983 return IRQ_HANDLED; 2984 } 2985 2986 static irqreturn_t 2987 qla24xx_msix_rsp_q(int irq, void *dev_id) 2988 { 2989 struct qla_hw_data *ha; 2990 struct rsp_que *rsp; 2991 struct device_reg_24xx __iomem *reg; 2992 struct scsi_qla_host *vha; 2993 unsigned long flags; 2994 uint32_t stat = 0; 2995 2996 rsp = (struct rsp_que *) dev_id; 2997 if (!rsp) { 2998 ql_log(ql_log_info, NULL, 0x505a, 2999 "%s: NULL response queue pointer.\n", __func__); 3000 return IRQ_NONE; 3001 } 3002 ha = rsp->hw; 3003 reg = &ha->iobase->isp24; 3004 3005 spin_lock_irqsave(&ha->hardware_lock, flags); 3006 3007 vha = pci_get_drvdata(ha->pdev); 3008 /* 3009 * Use host_status register to check to PCI disconnection before we 3010 * we process the response queue. 3011 */ 3012 stat = RD_REG_DWORD(®->host_status); 3013 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3014 goto out; 3015 qla24xx_process_response_queue(vha, rsp); 3016 if (!ha->flags.disable_msix_handshake) { 3017 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3018 RD_REG_DWORD_RELAXED(®->hccr); 3019 } 3020 out: 3021 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3022 3023 return IRQ_HANDLED; 3024 } 3025 3026 static irqreturn_t 3027 qla24xx_msix_default(int irq, void *dev_id) 3028 { 3029 scsi_qla_host_t *vha; 3030 struct qla_hw_data *ha; 3031 struct rsp_que *rsp; 3032 struct device_reg_24xx __iomem *reg; 3033 int status; 3034 uint32_t stat; 3035 uint32_t hccr; 3036 uint16_t mb[8]; 3037 unsigned long flags; 3038 3039 rsp = (struct rsp_que *) dev_id; 3040 if (!rsp) { 3041 ql_log(ql_log_info, NULL, 0x505c, 3042 "%s: NULL response queue pointer.\n", __func__); 3043 return IRQ_NONE; 3044 } 3045 ha = rsp->hw; 3046 reg = &ha->iobase->isp24; 3047 status = 0; 3048 3049 spin_lock_irqsave(&ha->hardware_lock, flags); 3050 vha = pci_get_drvdata(ha->pdev); 3051 do { 3052 stat = RD_REG_DWORD(®->host_status); 3053 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3054 break; 3055 if (stat & HSRX_RISC_PAUSED) { 3056 if (unlikely(pci_channel_offline(ha->pdev))) 3057 break; 3058 3059 hccr = RD_REG_DWORD(®->hccr); 3060 3061 ql_log(ql_log_info, vha, 0x5050, 3062 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3063 hccr); 3064 3065 qla2xxx_check_risc_status(vha); 3066 3067 ha->isp_ops->fw_dump(vha, 1); 3068 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3069 break; 3070 } else if ((stat & HSRX_RISC_INT) == 0) 3071 break; 3072 3073 switch (stat & 0xff) { 3074 case INTR_ROM_MB_SUCCESS: 3075 case INTR_ROM_MB_FAILED: 3076 case INTR_MB_SUCCESS: 3077 case INTR_MB_FAILED: 3078 qla24xx_mbx_completion(vha, MSW(stat)); 3079 status |= MBX_INTERRUPT; 3080 3081 break; 3082 case INTR_ASYNC_EVENT: 3083 mb[0] = MSW(stat); 3084 mb[1] = RD_REG_WORD(®->mailbox1); 3085 mb[2] = RD_REG_WORD(®->mailbox2); 3086 mb[3] = RD_REG_WORD(®->mailbox3); 3087 qla2x00_async_event(vha, rsp, mb); 3088 break; 3089 case INTR_RSP_QUE_UPDATE: 3090 case INTR_RSP_QUE_UPDATE_83XX: 3091 qla24xx_process_response_queue(vha, rsp); 3092 break; 3093 case INTR_ATIO_QUE_UPDATE:{ 3094 unsigned long flags2; 3095 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 3096 qlt_24xx_process_atio_queue(vha, 1); 3097 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 3098 break; 3099 } 3100 case INTR_ATIO_RSP_QUE_UPDATE: { 3101 unsigned long flags2; 3102 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 3103 qlt_24xx_process_atio_queue(vha, 1); 3104 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 3105 3106 qla24xx_process_response_queue(vha, rsp); 3107 break; 3108 } 3109 default: 3110 ql_dbg(ql_dbg_async, vha, 0x5051, 3111 "Unrecognized interrupt type (%d).\n", stat & 0xff); 3112 break; 3113 } 3114 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3115 } while (0); 3116 qla2x00_handle_mbx_completion(ha, status); 3117 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3118 3119 return IRQ_HANDLED; 3120 } 3121 3122 irqreturn_t 3123 qla2xxx_msix_rsp_q(int irq, void *dev_id) 3124 { 3125 struct qla_hw_data *ha; 3126 struct qla_qpair *qpair; 3127 struct device_reg_24xx __iomem *reg; 3128 unsigned long flags; 3129 3130 qpair = dev_id; 3131 if (!qpair) { 3132 ql_log(ql_log_info, NULL, 0x505b, 3133 "%s: NULL response queue pointer.\n", __func__); 3134 return IRQ_NONE; 3135 } 3136 ha = qpair->hw; 3137 3138 /* Clear the interrupt, if enabled, for this response queue */ 3139 if (unlikely(!ha->flags.disable_msix_handshake)) { 3140 reg = &ha->iobase->isp24; 3141 spin_lock_irqsave(&ha->hardware_lock, flags); 3142 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3143 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3144 } 3145 3146 queue_work(ha->wq, &qpair->q_work); 3147 3148 return IRQ_HANDLED; 3149 } 3150 3151 /* Interrupt handling helpers. */ 3152 3153 struct qla_init_msix_entry { 3154 const char *name; 3155 irq_handler_t handler; 3156 }; 3157 3158 static const struct qla_init_msix_entry msix_entries[] = { 3159 { "qla2xxx (default)", qla24xx_msix_default }, 3160 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, 3161 { "qla2xxx (atio_q)", qla83xx_msix_atio_q }, 3162 { "qla2xxx (qpair_multiq)", qla2xxx_msix_rsp_q }, 3163 }; 3164 3165 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 3166 { "qla2xxx (default)", qla82xx_msix_default }, 3167 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 3168 }; 3169 3170 static int 3171 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 3172 { 3173 int i, ret; 3174 struct qla_msix_entry *qentry; 3175 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3176 int min_vecs = QLA_BASE_VECTORS; 3177 struct irq_affinity desc = { 3178 .pre_vectors = QLA_BASE_VECTORS, 3179 }; 3180 3181 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) { 3182 desc.pre_vectors++; 3183 min_vecs++; 3184 } 3185 3186 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 3187 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 3188 &desc); 3189 3190 if (ret < 0) { 3191 ql_log(ql_log_fatal, vha, 0x00c7, 3192 "MSI-X: Failed to enable support, " 3193 "giving up -- %d/%d.\n", 3194 ha->msix_count, ret); 3195 goto msix_out; 3196 } else if (ret < ha->msix_count) { 3197 ql_log(ql_log_warn, vha, 0x00c6, 3198 "MSI-X: Failed to enable support " 3199 "with %d vectors, using %d vectors.\n", 3200 ha->msix_count, ret); 3201 ha->msix_count = ret; 3202 /* Recalculate queue values */ 3203 if (ha->mqiobase && ql2xmqsupport) { 3204 ha->max_req_queues = ha->msix_count - 1; 3205 3206 /* ATIOQ needs 1 vector. That's 1 less QPair */ 3207 if (QLA_TGT_MODE_ENABLED()) 3208 ha->max_req_queues--; 3209 3210 ha->max_rsp_queues = ha->max_req_queues; 3211 3212 ha->max_qpairs = ha->max_req_queues - 1; 3213 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 3214 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 3215 } 3216 } 3217 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * 3218 ha->msix_count, GFP_KERNEL); 3219 if (!ha->msix_entries) { 3220 ql_log(ql_log_fatal, vha, 0x00c8, 3221 "Failed to allocate memory for ha->msix_entries.\n"); 3222 ret = -ENOMEM; 3223 goto msix_out; 3224 } 3225 ha->flags.msix_enabled = 1; 3226 3227 for (i = 0; i < ha->msix_count; i++) { 3228 qentry = &ha->msix_entries[i]; 3229 qentry->vector = pci_irq_vector(ha->pdev, i); 3230 qentry->entry = i; 3231 qentry->have_irq = 0; 3232 qentry->in_use = 0; 3233 qentry->handle = NULL; 3234 } 3235 3236 /* Enable MSI-X vectors for the base queue */ 3237 for (i = 0; i < QLA_BASE_VECTORS; i++) { 3238 qentry = &ha->msix_entries[i]; 3239 qentry->handle = rsp; 3240 rsp->msix = qentry; 3241 scnprintf(qentry->name, sizeof(qentry->name), 3242 "%s", msix_entries[i].name); 3243 if (IS_P3P_TYPE(ha)) 3244 ret = request_irq(qentry->vector, 3245 qla82xx_msix_entries[i].handler, 3246 0, qla82xx_msix_entries[i].name, rsp); 3247 else 3248 ret = request_irq(qentry->vector, 3249 msix_entries[i].handler, 3250 0, msix_entries[i].name, rsp); 3251 if (ret) 3252 goto msix_register_fail; 3253 qentry->have_irq = 1; 3254 qentry->in_use = 1; 3255 } 3256 3257 /* 3258 * If target mode is enable, also request the vector for the ATIO 3259 * queue. 3260 */ 3261 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) { 3262 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 3263 rsp->msix = qentry; 3264 qentry->handle = rsp; 3265 scnprintf(qentry->name, sizeof(qentry->name), 3266 "%s", msix_entries[QLA_ATIO_VECTOR].name); 3267 qentry->in_use = 1; 3268 ret = request_irq(qentry->vector, 3269 msix_entries[QLA_ATIO_VECTOR].handler, 3270 0, msix_entries[QLA_ATIO_VECTOR].name, rsp); 3271 qentry->have_irq = 1; 3272 } 3273 3274 msix_register_fail: 3275 if (ret) { 3276 ql_log(ql_log_fatal, vha, 0x00cb, 3277 "MSI-X: unable to register handler -- %x/%d.\n", 3278 qentry->vector, ret); 3279 qla2x00_free_irqs(vha); 3280 ha->mqenable = 0; 3281 goto msix_out; 3282 } 3283 3284 /* Enable MSI-X vector for response queue update for queue 0 */ 3285 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 3286 if (ha->msixbase && ha->mqiobase && 3287 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3288 ql2xmqsupport)) 3289 ha->mqenable = 1; 3290 } else 3291 if (ha->mqiobase && 3292 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3293 ql2xmqsupport)) 3294 ha->mqenable = 1; 3295 ql_dbg(ql_dbg_multiq, vha, 0xc005, 3296 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3297 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3298 ql_dbg(ql_dbg_init, vha, 0x0055, 3299 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3300 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3301 3302 msix_out: 3303 return ret; 3304 } 3305 3306 int 3307 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 3308 { 3309 int ret = QLA_FUNCTION_FAILED; 3310 device_reg_t *reg = ha->iobase; 3311 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3312 3313 /* If possible, enable MSI-X. */ 3314 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3315 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) && 3316 !IS_QLA27XX(ha)) 3317 goto skip_msi; 3318 3319 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 3320 (ha->pdev->subsystem_device == 0x7040 || 3321 ha->pdev->subsystem_device == 0x7041 || 3322 ha->pdev->subsystem_device == 0x1705)) { 3323 ql_log(ql_log_warn, vha, 0x0034, 3324 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 3325 ha->pdev->subsystem_vendor, 3326 ha->pdev->subsystem_device); 3327 goto skip_msi; 3328 } 3329 3330 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 3331 ql_log(ql_log_warn, vha, 0x0035, 3332 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 3333 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 3334 goto skip_msix; 3335 } 3336 3337 ret = qla24xx_enable_msix(ha, rsp); 3338 if (!ret) { 3339 ql_dbg(ql_dbg_init, vha, 0x0036, 3340 "MSI-X: Enabled (0x%X, 0x%X).\n", 3341 ha->chip_revision, ha->fw_attributes); 3342 goto clear_risc_ints; 3343 } 3344 3345 skip_msix: 3346 3347 ql_log(ql_log_info, vha, 0x0037, 3348 "Falling back-to MSI mode -%d.\n", ret); 3349 3350 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3351 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 3352 !IS_QLA27XX(ha)) 3353 goto skip_msi; 3354 3355 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 3356 if (!ret) { 3357 ql_dbg(ql_dbg_init, vha, 0x0038, 3358 "MSI: Enabled.\n"); 3359 ha->flags.msi_enabled = 1; 3360 } else 3361 ql_log(ql_log_warn, vha, 0x0039, 3362 "Falling back-to INTa mode -- %d.\n", ret); 3363 skip_msi: 3364 3365 /* Skip INTx on ISP82xx. */ 3366 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 3367 return QLA_FUNCTION_FAILED; 3368 3369 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 3370 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 3371 QLA2XXX_DRIVER_NAME, rsp); 3372 if (ret) { 3373 ql_log(ql_log_warn, vha, 0x003a, 3374 "Failed to reserve interrupt %d already in use.\n", 3375 ha->pdev->irq); 3376 goto fail; 3377 } else if (!ha->flags.msi_enabled) { 3378 ql_dbg(ql_dbg_init, vha, 0x0125, 3379 "INTa mode: Enabled.\n"); 3380 ha->flags.mr_intr_valid = 1; 3381 } 3382 3383 clear_risc_ints: 3384 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 3385 goto fail; 3386 3387 spin_lock_irq(&ha->hardware_lock); 3388 WRT_REG_WORD(®->isp.semaphore, 0); 3389 spin_unlock_irq(&ha->hardware_lock); 3390 3391 fail: 3392 return ret; 3393 } 3394 3395 void 3396 qla2x00_free_irqs(scsi_qla_host_t *vha) 3397 { 3398 struct qla_hw_data *ha = vha->hw; 3399 struct rsp_que *rsp; 3400 struct qla_msix_entry *qentry; 3401 int i; 3402 3403 /* 3404 * We need to check that ha->rsp_q_map is valid in case we are called 3405 * from a probe failure context. 3406 */ 3407 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 3408 goto free_irqs; 3409 rsp = ha->rsp_q_map[0]; 3410 3411 if (ha->flags.msix_enabled) { 3412 for (i = 0; i < ha->msix_count; i++) { 3413 qentry = &ha->msix_entries[i]; 3414 if (qentry->have_irq) { 3415 irq_set_affinity_notifier(qentry->vector, NULL); 3416 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 3417 } 3418 } 3419 kfree(ha->msix_entries); 3420 ha->msix_entries = NULL; 3421 ha->flags.msix_enabled = 0; 3422 ql_dbg(ql_dbg_init, vha, 0x0042, 3423 "Disabled MSI-X.\n"); 3424 } else { 3425 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 3426 } 3427 3428 free_irqs: 3429 pci_free_irq_vectors(ha->pdev); 3430 } 3431 3432 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 3433 struct qla_msix_entry *msix, int vector_type) 3434 { 3435 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 3436 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3437 int ret; 3438 3439 scnprintf(msix->name, sizeof(msix->name), 3440 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 3441 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 3442 if (ret) { 3443 ql_log(ql_log_fatal, vha, 0x00e6, 3444 "MSI-X: Unable to register handler -- %x/%d.\n", 3445 msix->vector, ret); 3446 return ret; 3447 } 3448 msix->have_irq = 1; 3449 msix->handle = qpair; 3450 return ret; 3451 } 3452