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 <scsi/scsi_tcq.h> 13#include <scsi/scsi_bsg_fc.h> 14#include <scsi/scsi_eh.h> 15 16static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); 17static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); 18static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); 19static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, 20 sts_entry_t *); 21 22/** 23 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. 24 * @irq: 25 * @dev_id: SCSI driver HA context 26 * 27 * Called by system whenever the host adapter generates an interrupt. 28 * 29 * Returns handled flag. 30 */ 31irqreturn_t 32qla2100_intr_handler(int irq, void *dev_id) 33{ 34 scsi_qla_host_t *vha; 35 struct qla_hw_data *ha; 36 struct device_reg_2xxx __iomem *reg; 37 int status; 38 unsigned long iter; 39 uint16_t hccr; 40 uint16_t mb[4]; 41 struct rsp_que *rsp; 42 unsigned long flags; 43 44 rsp = (struct rsp_que *) dev_id; 45 if (!rsp) { 46 ql_log(ql_log_info, NULL, 0x505d, 47 "%s: NULL response queue pointer.\n", __func__); 48 return (IRQ_NONE); 49 } 50 51 ha = rsp->hw; 52 reg = &ha->iobase->isp; 53 status = 0; 54 55 spin_lock_irqsave(&ha->hardware_lock, flags); 56 vha = pci_get_drvdata(ha->pdev); 57 for (iter = 50; iter--; ) { 58 hccr = RD_REG_WORD(®->hccr); 59 if (qla2x00_check_reg16_for_disconnect(vha, hccr)) 60 break; 61 if (hccr & HCCR_RISC_PAUSE) { 62 if (pci_channel_offline(ha->pdev)) 63 break; 64 65 /* 66 * Issue a "HARD" reset in order for the RISC interrupt 67 * bit to be cleared. Schedule a big hammer to get 68 * out of the RISC PAUSED state. 69 */ 70 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 71 RD_REG_WORD(®->hccr); 72 73 ha->isp_ops->fw_dump(vha, 1); 74 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 75 break; 76 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) 77 break; 78 79 if (RD_REG_WORD(®->semaphore) & BIT_0) { 80 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 81 RD_REG_WORD(®->hccr); 82 83 /* Get mailbox data. */ 84 mb[0] = RD_MAILBOX_REG(ha, reg, 0); 85 if (mb[0] > 0x3fff && mb[0] < 0x8000) { 86 qla2x00_mbx_completion(vha, mb[0]); 87 status |= MBX_INTERRUPT; 88 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { 89 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 90 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 91 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 92 qla2x00_async_event(vha, rsp, mb); 93 } else { 94 /*EMPTY*/ 95 ql_dbg(ql_dbg_async, vha, 0x5025, 96 "Unrecognized interrupt type (%d).\n", 97 mb[0]); 98 } 99 /* Release mailbox registers. */ 100 WRT_REG_WORD(®->semaphore, 0); 101 RD_REG_WORD(®->semaphore); 102 } else { 103 qla2x00_process_response_queue(rsp); 104 105 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 106 RD_REG_WORD(®->hccr); 107 } 108 } 109 qla2x00_handle_mbx_completion(ha, status); 110 spin_unlock_irqrestore(&ha->hardware_lock, flags); 111 112 return (IRQ_HANDLED); 113} 114 115bool 116qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) 117{ 118 /* Check for PCI disconnection */ 119 if (reg == 0xffffffff) { 120 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) && 121 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) && 122 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) { 123 /* 124 * Schedule this (only once) on the default system 125 * workqueue so that all the adapter workqueues and the 126 * DPC thread can be shutdown cleanly. 127 */ 128 schedule_work(&vha->hw->board_disable); 129 } 130 return true; 131 } else 132 return false; 133} 134 135bool 136qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) 137{ 138 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg); 139} 140 141/** 142 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 143 * @irq: 144 * @dev_id: SCSI driver HA context 145 * 146 * Called by system whenever the host adapter generates an interrupt. 147 * 148 * Returns handled flag. 149 */ 150irqreturn_t 151qla2300_intr_handler(int irq, void *dev_id) 152{ 153 scsi_qla_host_t *vha; 154 struct device_reg_2xxx __iomem *reg; 155 int status; 156 unsigned long iter; 157 uint32_t stat; 158 uint16_t hccr; 159 uint16_t mb[4]; 160 struct rsp_que *rsp; 161 struct qla_hw_data *ha; 162 unsigned long flags; 163 164 rsp = (struct rsp_que *) dev_id; 165 if (!rsp) { 166 ql_log(ql_log_info, NULL, 0x5058, 167 "%s: NULL response queue pointer.\n", __func__); 168 return (IRQ_NONE); 169 } 170 171 ha = rsp->hw; 172 reg = &ha->iobase->isp; 173 status = 0; 174 175 spin_lock_irqsave(&ha->hardware_lock, flags); 176 vha = pci_get_drvdata(ha->pdev); 177 for (iter = 50; iter--; ) { 178 stat = RD_REG_DWORD(®->u.isp2300.host_status); 179 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 180 break; 181 if (stat & HSR_RISC_PAUSED) { 182 if (unlikely(pci_channel_offline(ha->pdev))) 183 break; 184 185 hccr = RD_REG_WORD(®->hccr); 186 187 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) 188 ql_log(ql_log_warn, vha, 0x5026, 189 "Parity error -- HCCR=%x, Dumping " 190 "firmware.\n", hccr); 191 else 192 ql_log(ql_log_warn, vha, 0x5027, 193 "RISC paused -- HCCR=%x, Dumping " 194 "firmware.\n", hccr); 195 196 /* 197 * Issue a "HARD" reset in order for the RISC 198 * interrupt bit to be cleared. Schedule a big 199 * hammer to get out of the RISC PAUSED state. 200 */ 201 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 202 RD_REG_WORD(®->hccr); 203 204 ha->isp_ops->fw_dump(vha, 1); 205 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 206 break; 207 } else if ((stat & HSR_RISC_INT) == 0) 208 break; 209 210 switch (stat & 0xff) { 211 case 0x1: 212 case 0x2: 213 case 0x10: 214 case 0x11: 215 qla2x00_mbx_completion(vha, MSW(stat)); 216 status |= MBX_INTERRUPT; 217 218 /* Release mailbox registers. */ 219 WRT_REG_WORD(®->semaphore, 0); 220 break; 221 case 0x12: 222 mb[0] = MSW(stat); 223 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 224 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 225 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 226 qla2x00_async_event(vha, rsp, mb); 227 break; 228 case 0x13: 229 qla2x00_process_response_queue(rsp); 230 break; 231 case 0x15: 232 mb[0] = MBA_CMPLT_1_16BIT; 233 mb[1] = MSW(stat); 234 qla2x00_async_event(vha, rsp, mb); 235 break; 236 case 0x16: 237 mb[0] = MBA_SCSI_COMPLETION; 238 mb[1] = MSW(stat); 239 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 240 qla2x00_async_event(vha, rsp, mb); 241 break; 242 default: 243 ql_dbg(ql_dbg_async, vha, 0x5028, 244 "Unrecognized interrupt type (%d).\n", stat & 0xff); 245 break; 246 } 247 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 248 RD_REG_WORD_RELAXED(®->hccr); 249 } 250 qla2x00_handle_mbx_completion(ha, status); 251 spin_unlock_irqrestore(&ha->hardware_lock, flags); 252 253 return (IRQ_HANDLED); 254} 255 256/** 257 * qla2x00_mbx_completion() - Process mailbox command completions. 258 * @ha: SCSI driver HA context 259 * @mb0: Mailbox0 register 260 */ 261static void 262qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 263{ 264 uint16_t cnt; 265 uint32_t mboxes; 266 uint16_t __iomem *wptr; 267 struct qla_hw_data *ha = vha->hw; 268 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 269 270 /* Read all mbox registers? */ 271 mboxes = (1 << ha->mbx_count) - 1; 272 if (!ha->mcp) 273 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); 274 else 275 mboxes = ha->mcp->in_mb; 276 277 /* Load return mailbox registers. */ 278 ha->flags.mbox_int = 1; 279 ha->mailbox_out[0] = mb0; 280 mboxes >>= 1; 281 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); 282 283 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 284 if (IS_QLA2200(ha) && cnt == 8) 285 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); 286 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) 287 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); 288 else if (mboxes & BIT_0) 289 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 290 291 wptr++; 292 mboxes >>= 1; 293 } 294} 295 296static void 297qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) 298{ 299 static char *event[] = 300 { "Complete", "Request Notification", "Time Extension" }; 301 int rval; 302 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; 303 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; 304 uint16_t __iomem *wptr; 305 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; 306 307 /* Seed data -- mailbox1 -> mailbox7. */ 308 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) 309 wptr = (uint16_t __iomem *)®24->mailbox1; 310 else if (IS_QLA8044(vha->hw)) 311 wptr = (uint16_t __iomem *)®82->mailbox_out[1]; 312 else 313 return; 314 315 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) 316 mb[cnt] = RD_REG_WORD(wptr); 317 318 ql_dbg(ql_dbg_async, vha, 0x5021, 319 "Inter-Driver Communication %s -- " 320 "%04x %04x %04x %04x %04x %04x %04x.\n", 321 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], 322 mb[4], mb[5], mb[6]); 323 switch (aen) { 324 /* Handle IDC Error completion case. */ 325 case MBA_IDC_COMPLETE: 326 if (mb[1] >> 15) { 327 vha->hw->flags.idc_compl_status = 1; 328 if (vha->hw->notify_dcbx_comp && !vha->vp_idx) 329 complete(&vha->hw->dcbx_comp); 330 } 331 break; 332 333 case MBA_IDC_NOTIFY: 334 /* Acknowledgement needed? [Notify && non-zero timeout]. */ 335 timeout = (descr >> 8) & 0xf; 336 ql_dbg(ql_dbg_async, vha, 0x5022, 337 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", 338 vha->host_no, event[aen & 0xff], timeout); 339 340 if (!timeout) 341 return; 342 rval = qla2x00_post_idc_ack_work(vha, mb); 343 if (rval != QLA_SUCCESS) 344 ql_log(ql_log_warn, vha, 0x5023, 345 "IDC failed to post ACK.\n"); 346 break; 347 case MBA_IDC_TIME_EXT: 348 vha->hw->idc_extend_tmo = descr; 349 ql_dbg(ql_dbg_async, vha, 0x5087, 350 "%lu Inter-Driver Communication %s -- " 351 "Extend timeout by=%d.\n", 352 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); 353 break; 354 } 355} 356 357#define LS_UNKNOWN 2 358const char * 359qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) 360{ 361 static const char *const link_speeds[] = { 362 "1", "2", "?", "4", "8", "16", "32", "10" 363 }; 364#define QLA_LAST_SPEED 7 365 366 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 367 return link_speeds[0]; 368 else if (speed == 0x13) 369 return link_speeds[QLA_LAST_SPEED]; 370 else if (speed < QLA_LAST_SPEED) 371 return link_speeds[speed]; 372 else 373 return link_speeds[LS_UNKNOWN]; 374} 375 376static void 377qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 378{ 379 struct qla_hw_data *ha = vha->hw; 380 381 /* 382 * 8200 AEN Interpretation: 383 * mb[0] = AEN code 384 * mb[1] = AEN Reason code 385 * mb[2] = LSW of Peg-Halt Status-1 Register 386 * mb[6] = MSW of Peg-Halt Status-1 Register 387 * mb[3] = LSW of Peg-Halt Status-2 register 388 * mb[7] = MSW of Peg-Halt Status-2 register 389 * mb[4] = IDC Device-State Register value 390 * mb[5] = IDC Driver-Presence Register value 391 */ 392 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " 393 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", 394 mb[0], mb[1], mb[2], mb[6]); 395 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " 396 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " 397 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); 398 399 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | 400 IDC_HEARTBEAT_FAILURE)) { 401 ha->flags.nic_core_hung = 1; 402 ql_log(ql_log_warn, vha, 0x5060, 403 "83XX: F/W Error Reported: Check if reset required.\n"); 404 405 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { 406 uint32_t protocol_engine_id, fw_err_code, err_level; 407 408 /* 409 * IDC_PEG_HALT_STATUS_CHANGE interpretation: 410 * - PEG-Halt Status-1 Register: 411 * (LSW = mb[2], MSW = mb[6]) 412 * Bits 0-7 = protocol-engine ID 413 * Bits 8-28 = f/w error code 414 * Bits 29-31 = Error-level 415 * Error-level 0x1 = Non-Fatal error 416 * Error-level 0x2 = Recoverable Fatal error 417 * Error-level 0x4 = UnRecoverable Fatal error 418 * - PEG-Halt Status-2 Register: 419 * (LSW = mb[3], MSW = mb[7]) 420 */ 421 protocol_engine_id = (mb[2] & 0xff); 422 fw_err_code = (((mb[2] & 0xff00) >> 8) | 423 ((mb[6] & 0x1fff) << 8)); 424 err_level = ((mb[6] & 0xe000) >> 13); 425 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " 426 "Register: protocol_engine_id=0x%x " 427 "fw_err_code=0x%x err_level=0x%x.\n", 428 protocol_engine_id, fw_err_code, err_level); 429 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " 430 "Register: 0x%x%x.\n", mb[7], mb[3]); 431 if (err_level == ERR_LEVEL_NON_FATAL) { 432 ql_log(ql_log_warn, vha, 0x5063, 433 "Not a fatal error, f/w has recovered " 434 "iteself.\n"); 435 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { 436 ql_log(ql_log_fatal, vha, 0x5064, 437 "Recoverable Fatal error: Chip reset " 438 "required.\n"); 439 qla83xx_schedule_work(vha, 440 QLA83XX_NIC_CORE_RESET); 441 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { 442 ql_log(ql_log_fatal, vha, 0x5065, 443 "Unrecoverable Fatal error: Set FAILED " 444 "state, reboot required.\n"); 445 qla83xx_schedule_work(vha, 446 QLA83XX_NIC_CORE_UNRECOVERABLE); 447 } 448 } 449 450 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { 451 uint16_t peg_fw_state, nw_interface_link_up; 452 uint16_t nw_interface_signal_detect, sfp_status; 453 uint16_t htbt_counter, htbt_monitor_enable; 454 uint16_t sfp_additonal_info, sfp_multirate; 455 uint16_t sfp_tx_fault, link_speed, dcbx_status; 456 457 /* 458 * IDC_NIC_FW_REPORTED_FAILURE interpretation: 459 * - PEG-to-FC Status Register: 460 * (LSW = mb[2], MSW = mb[6]) 461 * Bits 0-7 = Peg-Firmware state 462 * Bit 8 = N/W Interface Link-up 463 * Bit 9 = N/W Interface signal detected 464 * Bits 10-11 = SFP Status 465 * SFP Status 0x0 = SFP+ transceiver not expected 466 * SFP Status 0x1 = SFP+ transceiver not present 467 * SFP Status 0x2 = SFP+ transceiver invalid 468 * SFP Status 0x3 = SFP+ transceiver present and 469 * valid 470 * Bits 12-14 = Heartbeat Counter 471 * Bit 15 = Heartbeat Monitor Enable 472 * Bits 16-17 = SFP Additional Info 473 * SFP info 0x0 = Unregocnized transceiver for 474 * Ethernet 475 * SFP info 0x1 = SFP+ brand validation failed 476 * SFP info 0x2 = SFP+ speed validation failed 477 * SFP info 0x3 = SFP+ access error 478 * Bit 18 = SFP Multirate 479 * Bit 19 = SFP Tx Fault 480 * Bits 20-22 = Link Speed 481 * Bits 23-27 = Reserved 482 * Bits 28-30 = DCBX Status 483 * DCBX Status 0x0 = DCBX Disabled 484 * DCBX Status 0x1 = DCBX Enabled 485 * DCBX Status 0x2 = DCBX Exchange error 486 * Bit 31 = Reserved 487 */ 488 peg_fw_state = (mb[2] & 0x00ff); 489 nw_interface_link_up = ((mb[2] & 0x0100) >> 8); 490 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); 491 sfp_status = ((mb[2] & 0x0c00) >> 10); 492 htbt_counter = ((mb[2] & 0x7000) >> 12); 493 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); 494 sfp_additonal_info = (mb[6] & 0x0003); 495 sfp_multirate = ((mb[6] & 0x0004) >> 2); 496 sfp_tx_fault = ((mb[6] & 0x0008) >> 3); 497 link_speed = ((mb[6] & 0x0070) >> 4); 498 dcbx_status = ((mb[6] & 0x7000) >> 12); 499 500 ql_log(ql_log_warn, vha, 0x5066, 501 "Peg-to-Fc Status Register:\n" 502 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " 503 "nw_interface_signal_detect=0x%x" 504 "\nsfp_statis=0x%x.\n ", peg_fw_state, 505 nw_interface_link_up, nw_interface_signal_detect, 506 sfp_status); 507 ql_log(ql_log_warn, vha, 0x5067, 508 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " 509 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ", 510 htbt_counter, htbt_monitor_enable, 511 sfp_additonal_info, sfp_multirate); 512 ql_log(ql_log_warn, vha, 0x5068, 513 "sfp_tx_fault=0x%x, link_state=0x%x, " 514 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, 515 dcbx_status); 516 517 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 518 } 519 520 if (mb[1] & IDC_HEARTBEAT_FAILURE) { 521 ql_log(ql_log_warn, vha, 0x5069, 522 "Heartbeat Failure encountered, chip reset " 523 "required.\n"); 524 525 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 526 } 527 } 528 529 if (mb[1] & IDC_DEVICE_STATE_CHANGE) { 530 ql_log(ql_log_info, vha, 0x506a, 531 "IDC Device-State changed = 0x%x.\n", mb[4]); 532 if (ha->flags.nic_core_reset_owner) 533 return; 534 qla83xx_schedule_work(vha, MBA_IDC_AEN); 535 } 536} 537 538int 539qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) 540{ 541 struct qla_hw_data *ha = vha->hw; 542 scsi_qla_host_t *vp; 543 uint32_t vp_did; 544 unsigned long flags; 545 int ret = 0; 546 547 if (!ha->num_vhosts) 548 return ret; 549 550 spin_lock_irqsave(&ha->vport_slock, flags); 551 list_for_each_entry(vp, &ha->vp_list, list) { 552 vp_did = vp->d_id.b24; 553 if (vp_did == rscn_entry) { 554 ret = 1; 555 break; 556 } 557 } 558 spin_unlock_irqrestore(&ha->vport_slock, flags); 559 560 return ret; 561} 562 563/** 564 * qla2x00_async_event() - Process aynchronous events. 565 * @ha: SCSI driver HA context 566 * @mb: Mailbox registers (0 - 3) 567 */ 568void 569qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 570{ 571 uint16_t handle_cnt; 572 uint16_t cnt, mbx; 573 uint32_t handles[5]; 574 struct qla_hw_data *ha = vha->hw; 575 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 576 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 577 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 578 uint32_t rscn_entry, host_pid, tmp_pid; 579 unsigned long flags; 580 fc_port_t *fcport = NULL; 581 582 /* Setup to process RIO completion. */ 583 handle_cnt = 0; 584 if (IS_CNA_CAPABLE(ha)) 585 goto skip_rio; 586 switch (mb[0]) { 587 case MBA_SCSI_COMPLETION: 588 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 589 handle_cnt = 1; 590 break; 591 case MBA_CMPLT_1_16BIT: 592 handles[0] = mb[1]; 593 handle_cnt = 1; 594 mb[0] = MBA_SCSI_COMPLETION; 595 break; 596 case MBA_CMPLT_2_16BIT: 597 handles[0] = mb[1]; 598 handles[1] = mb[2]; 599 handle_cnt = 2; 600 mb[0] = MBA_SCSI_COMPLETION; 601 break; 602 case MBA_CMPLT_3_16BIT: 603 handles[0] = mb[1]; 604 handles[1] = mb[2]; 605 handles[2] = mb[3]; 606 handle_cnt = 3; 607 mb[0] = MBA_SCSI_COMPLETION; 608 break; 609 case MBA_CMPLT_4_16BIT: 610 handles[0] = mb[1]; 611 handles[1] = mb[2]; 612 handles[2] = mb[3]; 613 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 614 handle_cnt = 4; 615 mb[0] = MBA_SCSI_COMPLETION; 616 break; 617 case MBA_CMPLT_5_16BIT: 618 handles[0] = mb[1]; 619 handles[1] = mb[2]; 620 handles[2] = mb[3]; 621 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 622 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 623 handle_cnt = 5; 624 mb[0] = MBA_SCSI_COMPLETION; 625 break; 626 case MBA_CMPLT_2_32BIT: 627 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 628 handles[1] = le32_to_cpu( 629 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | 630 RD_MAILBOX_REG(ha, reg, 6)); 631 handle_cnt = 2; 632 mb[0] = MBA_SCSI_COMPLETION; 633 break; 634 default: 635 break; 636 } 637skip_rio: 638 switch (mb[0]) { 639 case MBA_SCSI_COMPLETION: /* Fast Post */ 640 if (!vha->flags.online) 641 break; 642 643 for (cnt = 0; cnt < handle_cnt; cnt++) 644 qla2x00_process_completed_request(vha, rsp->req, 645 handles[cnt]); 646 break; 647 648 case MBA_RESET: /* Reset */ 649 ql_dbg(ql_dbg_async, vha, 0x5002, 650 "Asynchronous RESET.\n"); 651 652 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 653 break; 654 655 case MBA_SYSTEM_ERR: /* System Error */ 656 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ? 657 RD_REG_WORD(®24->mailbox7) : 0; 658 ql_log(ql_log_warn, vha, 0x5003, 659 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " 660 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); 661 662 ha->isp_ops->fw_dump(vha, 1); 663 664 if (IS_FWI2_CAPABLE(ha)) { 665 if (mb[1] == 0 && mb[2] == 0) { 666 ql_log(ql_log_fatal, vha, 0x5004, 667 "Unrecoverable Hardware Error: adapter " 668 "marked OFFLINE!\n"); 669 vha->flags.online = 0; 670 vha->device_flags |= DFLG_DEV_FAILED; 671 } else { 672 /* Check to see if MPI timeout occurred */ 673 if ((mbx & MBX_3) && (ha->port_no == 0)) 674 set_bit(MPI_RESET_NEEDED, 675 &vha->dpc_flags); 676 677 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 678 } 679 } else if (mb[1] == 0) { 680 ql_log(ql_log_fatal, vha, 0x5005, 681 "Unrecoverable Hardware Error: adapter marked " 682 "OFFLINE!\n"); 683 vha->flags.online = 0; 684 vha->device_flags |= DFLG_DEV_FAILED; 685 } else 686 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 687 break; 688 689 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 690 ql_log(ql_log_warn, vha, 0x5006, 691 "ISP Request Transfer Error (%x).\n", mb[1]); 692 693 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 694 break; 695 696 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 697 ql_log(ql_log_warn, vha, 0x5007, 698 "ISP Response Transfer Error.\n"); 699 700 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 701 break; 702 703 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 704 ql_dbg(ql_dbg_async, vha, 0x5008, 705 "Asynchronous WAKEUP_THRES.\n"); 706 707 break; 708 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 709 ql_dbg(ql_dbg_async, vha, 0x5009, 710 "LIP occurred (%x).\n", mb[1]); 711 712 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 713 atomic_set(&vha->loop_state, LOOP_DOWN); 714 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 715 qla2x00_mark_all_devices_lost(vha, 1); 716 } 717 718 if (vha->vp_idx) { 719 atomic_set(&vha->vp_state, VP_FAILED); 720 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 721 } 722 723 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 724 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 725 726 vha->flags.management_server_logged_in = 0; 727 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 728 break; 729 730 case MBA_LOOP_UP: /* Loop Up Event */ 731 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 732 ha->link_data_rate = PORT_SPEED_1GB; 733 else 734 ha->link_data_rate = mb[1]; 735 736 ql_log(ql_log_info, vha, 0x500a, 737 "LOOP UP detected (%s Gbps).\n", 738 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 739 740 vha->flags.management_server_logged_in = 0; 741 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 742 break; 743 744 case MBA_LOOP_DOWN: /* Loop Down Event */ 745 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 746 ? RD_REG_WORD(®24->mailbox4) : 0; 747 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) 748 : mbx; 749 ql_log(ql_log_info, vha, 0x500b, 750 "LOOP DOWN detected (%x %x %x %x).\n", 751 mb[1], mb[2], mb[3], mbx); 752 753 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 754 atomic_set(&vha->loop_state, LOOP_DOWN); 755 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 756 /* 757 * In case of loop down, restore WWPN from 758 * NVRAM in case of FA-WWPN capable ISP 759 * Restore for Physical Port only 760 */ 761 if (!vha->vp_idx) { 762 if (ha->flags.fawwpn_enabled) { 763 void *wwpn = ha->init_cb->port_name; 764 memcpy(vha->port_name, wwpn, WWN_SIZE); 765 fc_host_port_name(vha->host) = 766 wwn_to_u64(vha->port_name); 767 ql_dbg(ql_dbg_init + ql_dbg_verbose, 768 vha, 0x0144, "LOOP DOWN detected," 769 "restore WWPN %016llx\n", 770 wwn_to_u64(vha->port_name)); 771 } 772 773 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 774 } 775 776 vha->device_flags |= DFLG_NO_CABLE; 777 qla2x00_mark_all_devices_lost(vha, 1); 778 } 779 780 if (vha->vp_idx) { 781 atomic_set(&vha->vp_state, VP_FAILED); 782 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 783 } 784 785 vha->flags.management_server_logged_in = 0; 786 ha->link_data_rate = PORT_SPEED_UNKNOWN; 787 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 788 break; 789 790 case MBA_LIP_RESET: /* LIP reset occurred */ 791 ql_dbg(ql_dbg_async, vha, 0x500c, 792 "LIP reset occurred (%x).\n", mb[1]); 793 794 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 795 atomic_set(&vha->loop_state, LOOP_DOWN); 796 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 797 qla2x00_mark_all_devices_lost(vha, 1); 798 } 799 800 if (vha->vp_idx) { 801 atomic_set(&vha->vp_state, VP_FAILED); 802 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 803 } 804 805 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 806 807 ha->operating_mode = LOOP; 808 vha->flags.management_server_logged_in = 0; 809 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 810 break; 811 812 /* case MBA_DCBX_COMPLETE: */ 813 case MBA_POINT_TO_POINT: /* Point-to-Point */ 814 if (IS_QLA2100(ha)) 815 break; 816 817 if (IS_CNA_CAPABLE(ha)) { 818 ql_dbg(ql_dbg_async, vha, 0x500d, 819 "DCBX Completed -- %04x %04x %04x.\n", 820 mb[1], mb[2], mb[3]); 821 if (ha->notify_dcbx_comp && !vha->vp_idx) 822 complete(&ha->dcbx_comp); 823 824 } else 825 ql_dbg(ql_dbg_async, vha, 0x500e, 826 "Asynchronous P2P MODE received.\n"); 827 828 /* 829 * Until there's a transition from loop down to loop up, treat 830 * this as loop down only. 831 */ 832 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 833 atomic_set(&vha->loop_state, LOOP_DOWN); 834 if (!atomic_read(&vha->loop_down_timer)) 835 atomic_set(&vha->loop_down_timer, 836 LOOP_DOWN_TIME); 837 qla2x00_mark_all_devices_lost(vha, 1); 838 } 839 840 if (vha->vp_idx) { 841 atomic_set(&vha->vp_state, VP_FAILED); 842 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 843 } 844 845 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 846 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 847 848 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 849 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 850 851 ha->flags.gpsc_supported = 1; 852 vha->flags.management_server_logged_in = 0; 853 break; 854 855 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 856 if (IS_QLA2100(ha)) 857 break; 858 859 ql_dbg(ql_dbg_async, vha, 0x500f, 860 "Configuration change detected: value=%x.\n", mb[1]); 861 862 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 863 atomic_set(&vha->loop_state, LOOP_DOWN); 864 if (!atomic_read(&vha->loop_down_timer)) 865 atomic_set(&vha->loop_down_timer, 866 LOOP_DOWN_TIME); 867 qla2x00_mark_all_devices_lost(vha, 1); 868 } 869 870 if (vha->vp_idx) { 871 atomic_set(&vha->vp_state, VP_FAILED); 872 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 873 } 874 875 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 876 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 877 break; 878 879 case MBA_PORT_UPDATE: /* Port database update */ 880 /* 881 * Handle only global and vn-port update events 882 * 883 * Relevant inputs: 884 * mb[1] = N_Port handle of changed port 885 * OR 0xffff for global event 886 * mb[2] = New login state 887 * 7 = Port logged out 888 * mb[3] = LSB is vp_idx, 0xff = all vps 889 * 890 * Skip processing if: 891 * Event is global, vp_idx is NOT all vps, 892 * vp_idx does not match 893 * Event is not global, vp_idx does not match 894 */ 895 if (IS_QLA2XXX_MIDTYPE(ha) && 896 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 897 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 898 break; 899 900 /* Global event -- port logout or port unavailable. */ 901 if (mb[1] == 0xffff && mb[2] == 0x7) { 902 ql_dbg(ql_dbg_async, vha, 0x5010, 903 "Port unavailable %04x %04x %04x.\n", 904 mb[1], mb[2], mb[3]); 905 ql_log(ql_log_warn, vha, 0x505e, 906 "Link is offline.\n"); 907 908 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 909 atomic_set(&vha->loop_state, LOOP_DOWN); 910 atomic_set(&vha->loop_down_timer, 911 LOOP_DOWN_TIME); 912 vha->device_flags |= DFLG_NO_CABLE; 913 qla2x00_mark_all_devices_lost(vha, 1); 914 } 915 916 if (vha->vp_idx) { 917 atomic_set(&vha->vp_state, VP_FAILED); 918 fc_vport_set_state(vha->fc_vport, 919 FC_VPORT_FAILED); 920 qla2x00_mark_all_devices_lost(vha, 1); 921 } 922 923 vha->flags.management_server_logged_in = 0; 924 ha->link_data_rate = PORT_SPEED_UNKNOWN; 925 break; 926 } 927 928 /* 929 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 930 * event etc. earlier indicating loop is down) then process 931 * it. Otherwise ignore it and Wait for RSCN to come in. 932 */ 933 atomic_set(&vha->loop_down_timer, 0); 934 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 935 atomic_read(&vha->loop_state) != LOOP_DEAD) { 936 ql_dbg(ql_dbg_async, vha, 0x5011, 937 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 938 mb[1], mb[2], mb[3]); 939 940 qlt_async_event(mb[0], vha, mb); 941 break; 942 } 943 944 ql_dbg(ql_dbg_async, vha, 0x5012, 945 "Port database changed %04x %04x %04x.\n", 946 mb[1], mb[2], mb[3]); 947 948 /* 949 * Mark all devices as missing so we will login again. 950 */ 951 atomic_set(&vha->loop_state, LOOP_UP); 952 953 qla2x00_mark_all_devices_lost(vha, 1); 954 955 if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha)) 956 set_bit(SCR_PENDING, &vha->dpc_flags); 957 958 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 959 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 960 set_bit(VP_CONFIG_OK, &vha->vp_flags); 961 962 qlt_async_event(mb[0], vha, mb); 963 break; 964 965 case MBA_RSCN_UPDATE: /* State Change Registration */ 966 /* Check if the Vport has issued a SCR */ 967 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 968 break; 969 /* Only handle SCNs for our Vport index. */ 970 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 971 break; 972 973 ql_dbg(ql_dbg_async, vha, 0x5013, 974 "RSCN database changed -- %04x %04x %04x.\n", 975 mb[1], mb[2], mb[3]); 976 977 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 978 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 979 | vha->d_id.b.al_pa; 980 if (rscn_entry == host_pid) { 981 ql_dbg(ql_dbg_async, vha, 0x5014, 982 "Ignoring RSCN update to local host " 983 "port ID (%06x).\n", host_pid); 984 break; 985 } 986 987 /* Ignore reserved bits from RSCN-payload. */ 988 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 989 990 /* Skip RSCNs for virtual ports on the same physical port */ 991 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 992 break; 993 994 /* 995 * Search for the rport related to this RSCN entry and mark it 996 * as lost. 997 */ 998 list_for_each_entry(fcport, &vha->vp_fcports, list) { 999 if (atomic_read(&fcport->state) != FCS_ONLINE) 1000 continue; 1001 tmp_pid = fcport->d_id.b24; 1002 if (fcport->d_id.b24 == rscn_entry) { 1003 qla2x00_mark_device_lost(vha, fcport, 0, 0); 1004 break; 1005 } 1006 } 1007 1008 atomic_set(&vha->loop_down_timer, 0); 1009 vha->flags.management_server_logged_in = 0; 1010 1011 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1012 set_bit(RSCN_UPDATE, &vha->dpc_flags); 1013 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1014 break; 1015 1016 /* case MBA_RIO_RESPONSE: */ 1017 case MBA_ZIO_RESPONSE: 1018 ql_dbg(ql_dbg_async, vha, 0x5015, 1019 "[R|Z]IO update completion.\n"); 1020 1021 if (IS_FWI2_CAPABLE(ha)) 1022 qla24xx_process_response_queue(vha, rsp); 1023 else 1024 qla2x00_process_response_queue(rsp); 1025 break; 1026 1027 case MBA_DISCARD_RND_FRAME: 1028 ql_dbg(ql_dbg_async, vha, 0x5016, 1029 "Discard RND Frame -- %04x %04x %04x.\n", 1030 mb[1], mb[2], mb[3]); 1031 break; 1032 1033 case MBA_TRACE_NOTIFICATION: 1034 ql_dbg(ql_dbg_async, vha, 0x5017, 1035 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1036 break; 1037 1038 case MBA_ISP84XX_ALERT: 1039 ql_dbg(ql_dbg_async, vha, 0x5018, 1040 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1041 mb[1], mb[2], mb[3]); 1042 1043 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1044 switch (mb[1]) { 1045 case A84_PANIC_RECOVERY: 1046 ql_log(ql_log_info, vha, 0x5019, 1047 "Alert 84XX: panic recovery %04x %04x.\n", 1048 mb[2], mb[3]); 1049 break; 1050 case A84_OP_LOGIN_COMPLETE: 1051 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1052 ql_log(ql_log_info, vha, 0x501a, 1053 "Alert 84XX: firmware version %x.\n", 1054 ha->cs84xx->op_fw_version); 1055 break; 1056 case A84_DIAG_LOGIN_COMPLETE: 1057 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1058 ql_log(ql_log_info, vha, 0x501b, 1059 "Alert 84XX: diagnostic firmware version %x.\n", 1060 ha->cs84xx->diag_fw_version); 1061 break; 1062 case A84_GOLD_LOGIN_COMPLETE: 1063 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1064 ha->cs84xx->fw_update = 1; 1065 ql_log(ql_log_info, vha, 0x501c, 1066 "Alert 84XX: gold firmware version %x.\n", 1067 ha->cs84xx->gold_fw_version); 1068 break; 1069 default: 1070 ql_log(ql_log_warn, vha, 0x501d, 1071 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1072 mb[1], mb[2], mb[3]); 1073 } 1074 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1075 break; 1076 case MBA_DCBX_START: 1077 ql_dbg(ql_dbg_async, vha, 0x501e, 1078 "DCBX Started -- %04x %04x %04x.\n", 1079 mb[1], mb[2], mb[3]); 1080 break; 1081 case MBA_DCBX_PARAM_UPDATE: 1082 ql_dbg(ql_dbg_async, vha, 0x501f, 1083 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1084 mb[1], mb[2], mb[3]); 1085 break; 1086 case MBA_FCF_CONF_ERR: 1087 ql_dbg(ql_dbg_async, vha, 0x5020, 1088 "FCF Configuration Error -- %04x %04x %04x.\n", 1089 mb[1], mb[2], mb[3]); 1090 break; 1091 case MBA_IDC_NOTIFY: 1092 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1093 mb[4] = RD_REG_WORD(®24->mailbox4); 1094 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1095 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1096 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1097 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1098 /* 1099 * Extend loop down timer since port is active. 1100 */ 1101 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1102 atomic_set(&vha->loop_down_timer, 1103 LOOP_DOWN_TIME); 1104 qla2xxx_wake_dpc(vha); 1105 } 1106 } 1107 case MBA_IDC_COMPLETE: 1108 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1109 complete(&ha->lb_portup_comp); 1110 /* Fallthru */ 1111 case MBA_IDC_TIME_EXT: 1112 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1113 IS_QLA8044(ha)) 1114 qla81xx_idc_event(vha, mb[0], mb[1]); 1115 break; 1116 1117 case MBA_IDC_AEN: 1118 mb[4] = RD_REG_WORD(®24->mailbox4); 1119 mb[5] = RD_REG_WORD(®24->mailbox5); 1120 mb[6] = RD_REG_WORD(®24->mailbox6); 1121 mb[7] = RD_REG_WORD(®24->mailbox7); 1122 qla83xx_handle_8200_aen(vha, mb); 1123 break; 1124 1125 case MBA_DPORT_DIAGNOSTICS: 1126 ql_dbg(ql_dbg_async, vha, 0x5052, 1127 "D-Port Diagnostics: %04x %04x=%s\n", mb[0], mb[1], 1128 mb[1] == 0 ? "start" : 1129 mb[1] == 1 ? "done (ok)" : 1130 mb[1] == 2 ? "done (error)" : "other"); 1131 break; 1132 1133 default: 1134 ql_dbg(ql_dbg_async, vha, 0x5057, 1135 "Unknown AEN:%04x %04x %04x %04x\n", 1136 mb[0], mb[1], mb[2], mb[3]); 1137 } 1138 1139 qlt_async_event(mb[0], vha, mb); 1140 1141 if (!vha->vp_idx && ha->num_vhosts) 1142 qla2x00_alert_all_vps(rsp, mb); 1143} 1144 1145/** 1146 * qla2x00_process_completed_request() - Process a Fast Post response. 1147 * @ha: SCSI driver HA context 1148 * @index: SRB index 1149 */ 1150void 1151qla2x00_process_completed_request(struct scsi_qla_host *vha, 1152 struct req_que *req, uint32_t index) 1153{ 1154 srb_t *sp; 1155 struct qla_hw_data *ha = vha->hw; 1156 1157 /* Validate handle. */ 1158 if (index >= req->num_outstanding_cmds) { 1159 ql_log(ql_log_warn, vha, 0x3014, 1160 "Invalid SCSI command index (%x).\n", index); 1161 1162 if (IS_P3P_TYPE(ha)) 1163 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1164 else 1165 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1166 return; 1167 } 1168 1169 sp = req->outstanding_cmds[index]; 1170 if (sp) { 1171 /* Free outstanding command slot. */ 1172 req->outstanding_cmds[index] = NULL; 1173 1174 /* Save ISP completion status */ 1175 sp->done(ha, sp, DID_OK << 16); 1176 } else { 1177 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1178 1179 if (IS_P3P_TYPE(ha)) 1180 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1181 else 1182 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1183 } 1184} 1185 1186srb_t * 1187qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1188 struct req_que *req, void *iocb) 1189{ 1190 struct qla_hw_data *ha = vha->hw; 1191 sts_entry_t *pkt = iocb; 1192 srb_t *sp = NULL; 1193 uint16_t index; 1194 1195 index = LSW(pkt->handle); 1196 if (index >= req->num_outstanding_cmds) { 1197 ql_log(ql_log_warn, vha, 0x5031, 1198 "Invalid command index (%x).\n", index); 1199 if (IS_P3P_TYPE(ha)) 1200 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1201 else 1202 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1203 goto done; 1204 } 1205 sp = req->outstanding_cmds[index]; 1206 if (!sp) { 1207 ql_log(ql_log_warn, vha, 0x5032, 1208 "Invalid completion handle (%x) -- timed-out.\n", index); 1209 return sp; 1210 } 1211 if (sp->handle != index) { 1212 ql_log(ql_log_warn, vha, 0x5033, 1213 "SRB handle (%x) mismatch %x.\n", sp->handle, index); 1214 return NULL; 1215 } 1216 1217 req->outstanding_cmds[index] = NULL; 1218 1219done: 1220 return sp; 1221} 1222 1223static void 1224qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1225 struct mbx_entry *mbx) 1226{ 1227 const char func[] = "MBX-IOCB"; 1228 const char *type; 1229 fc_port_t *fcport; 1230 srb_t *sp; 1231 struct srb_iocb *lio; 1232 uint16_t *data; 1233 uint16_t status; 1234 1235 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1236 if (!sp) 1237 return; 1238 1239 lio = &sp->u.iocb_cmd; 1240 type = sp->name; 1241 fcport = sp->fcport; 1242 data = lio->u.logio.data; 1243 1244 data[0] = MBS_COMMAND_ERROR; 1245 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1246 QLA_LOGIO_LOGIN_RETRIED : 0; 1247 if (mbx->entry_status) { 1248 ql_dbg(ql_dbg_async, vha, 0x5043, 1249 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1250 "entry-status=%x status=%x state-flag=%x " 1251 "status-flags=%x.\n", type, sp->handle, 1252 fcport->d_id.b.domain, fcport->d_id.b.area, 1253 fcport->d_id.b.al_pa, mbx->entry_status, 1254 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1255 le16_to_cpu(mbx->status_flags)); 1256 1257 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1258 (uint8_t *)mbx, sizeof(*mbx)); 1259 1260 goto logio_done; 1261 } 1262 1263 status = le16_to_cpu(mbx->status); 1264 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1265 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1266 status = 0; 1267 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1268 ql_dbg(ql_dbg_async, vha, 0x5045, 1269 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1270 type, sp->handle, fcport->d_id.b.domain, 1271 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1272 le16_to_cpu(mbx->mb1)); 1273 1274 data[0] = MBS_COMMAND_COMPLETE; 1275 if (sp->type == SRB_LOGIN_CMD) { 1276 fcport->port_type = FCT_TARGET; 1277 if (le16_to_cpu(mbx->mb1) & BIT_0) 1278 fcport->port_type = FCT_INITIATOR; 1279 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1280 fcport->flags |= FCF_FCP2_DEVICE; 1281 } 1282 goto logio_done; 1283 } 1284 1285 data[0] = le16_to_cpu(mbx->mb0); 1286 switch (data[0]) { 1287 case MBS_PORT_ID_USED: 1288 data[1] = le16_to_cpu(mbx->mb1); 1289 break; 1290 case MBS_LOOP_ID_USED: 1291 break; 1292 default: 1293 data[0] = MBS_COMMAND_ERROR; 1294 break; 1295 } 1296 1297 ql_log(ql_log_warn, vha, 0x5046, 1298 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1299 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1300 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1301 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1302 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1303 le16_to_cpu(mbx->mb7)); 1304 1305logio_done: 1306 sp->done(vha, sp, 0); 1307} 1308 1309static void 1310qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1311 sts_entry_t *pkt, int iocb_type) 1312{ 1313 const char func[] = "CT_IOCB"; 1314 const char *type; 1315 srb_t *sp; 1316 struct fc_bsg_job *bsg_job; 1317 uint16_t comp_status; 1318 int res; 1319 1320 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1321 if (!sp) 1322 return; 1323 1324 bsg_job = sp->u.bsg_job; 1325 1326 type = "ct pass-through"; 1327 1328 comp_status = le16_to_cpu(pkt->comp_status); 1329 1330 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1331 * fc payload to the caller 1332 */ 1333 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1334 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1335 1336 if (comp_status != CS_COMPLETE) { 1337 if (comp_status == CS_DATA_UNDERRUN) { 1338 res = DID_OK << 16; 1339 bsg_job->reply->reply_payload_rcv_len = 1340 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); 1341 1342 ql_log(ql_log_warn, vha, 0x5048, 1343 "CT pass-through-%s error " 1344 "comp_status-status=0x%x total_byte = 0x%x.\n", 1345 type, comp_status, 1346 bsg_job->reply->reply_payload_rcv_len); 1347 } else { 1348 ql_log(ql_log_warn, vha, 0x5049, 1349 "CT pass-through-%s error " 1350 "comp_status-status=0x%x.\n", type, comp_status); 1351 res = DID_ERROR << 16; 1352 bsg_job->reply->reply_payload_rcv_len = 0; 1353 } 1354 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 1355 (uint8_t *)pkt, sizeof(*pkt)); 1356 } else { 1357 res = DID_OK << 16; 1358 bsg_job->reply->reply_payload_rcv_len = 1359 bsg_job->reply_payload.payload_len; 1360 bsg_job->reply_len = 0; 1361 } 1362 1363 sp->done(vha, sp, res); 1364} 1365 1366static void 1367qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1368 struct sts_entry_24xx *pkt, int iocb_type) 1369{ 1370 const char func[] = "ELS_CT_IOCB"; 1371 const char *type; 1372 srb_t *sp; 1373 struct fc_bsg_job *bsg_job; 1374 uint16_t comp_status; 1375 uint32_t fw_status[3]; 1376 uint8_t* fw_sts_ptr; 1377 int res; 1378 1379 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1380 if (!sp) 1381 return; 1382 bsg_job = sp->u.bsg_job; 1383 1384 type = NULL; 1385 switch (sp->type) { 1386 case SRB_ELS_CMD_RPT: 1387 case SRB_ELS_CMD_HST: 1388 type = "els"; 1389 break; 1390 case SRB_CT_CMD: 1391 type = "ct pass-through"; 1392 break; 1393 default: 1394 ql_dbg(ql_dbg_user, vha, 0x503e, 1395 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 1396 return; 1397 } 1398 1399 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 1400 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); 1401 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); 1402 1403 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1404 * fc payload to the caller 1405 */ 1406 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1407 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 1408 1409 if (comp_status != CS_COMPLETE) { 1410 if (comp_status == CS_DATA_UNDERRUN) { 1411 res = DID_OK << 16; 1412 bsg_job->reply->reply_payload_rcv_len = 1413 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); 1414 1415 ql_dbg(ql_dbg_user, vha, 0x503f, 1416 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1417 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 1418 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1419 le16_to_cpu(((struct els_sts_entry_24xx *) 1420 pkt)->total_byte_count)); 1421 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); 1422 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); 1423 } 1424 else { 1425 ql_dbg(ql_dbg_user, vha, 0x5040, 1426 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1427 "error subcode 1=0x%x error subcode 2=0x%x.\n", 1428 type, sp->handle, comp_status, 1429 le16_to_cpu(((struct els_sts_entry_24xx *) 1430 pkt)->error_subcode_1), 1431 le16_to_cpu(((struct els_sts_entry_24xx *) 1432 pkt)->error_subcode_2)); 1433 res = DID_ERROR << 16; 1434 bsg_job->reply->reply_payload_rcv_len = 0; 1435 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); 1436 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); 1437 } 1438 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 1439 (uint8_t *)pkt, sizeof(*pkt)); 1440 } 1441 else { 1442 res = DID_OK << 16; 1443 bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 1444 bsg_job->reply_len = 0; 1445 } 1446 1447 sp->done(vha, sp, res); 1448} 1449 1450static void 1451qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 1452 struct logio_entry_24xx *logio) 1453{ 1454 const char func[] = "LOGIO-IOCB"; 1455 const char *type; 1456 fc_port_t *fcport; 1457 srb_t *sp; 1458 struct srb_iocb *lio; 1459 uint16_t *data; 1460 uint32_t iop[2]; 1461 1462 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 1463 if (!sp) 1464 return; 1465 1466 lio = &sp->u.iocb_cmd; 1467 type = sp->name; 1468 fcport = sp->fcport; 1469 data = lio->u.logio.data; 1470 1471 data[0] = MBS_COMMAND_ERROR; 1472 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1473 QLA_LOGIO_LOGIN_RETRIED : 0; 1474 if (logio->entry_status) { 1475 ql_log(ql_log_warn, fcport->vha, 0x5034, 1476 "Async-%s error entry - hdl=%x" 1477 "portid=%02x%02x%02x entry-status=%x.\n", 1478 type, sp->handle, fcport->d_id.b.domain, 1479 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1480 logio->entry_status); 1481 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 1482 (uint8_t *)logio, sizeof(*logio)); 1483 1484 goto logio_done; 1485 } 1486 1487 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 1488 ql_dbg(ql_dbg_async, fcport->vha, 0x5036, 1489 "Async-%s complete - hdl=%x portid=%02x%02x%02x " 1490 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain, 1491 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1492 le32_to_cpu(logio->io_parameter[0])); 1493 1494 data[0] = MBS_COMMAND_COMPLETE; 1495 if (sp->type != SRB_LOGIN_CMD) 1496 goto logio_done; 1497 1498 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1499 if (iop[0] & BIT_4) { 1500 fcport->port_type = FCT_TARGET; 1501 if (iop[0] & BIT_8) 1502 fcport->flags |= FCF_FCP2_DEVICE; 1503 } else if (iop[0] & BIT_5) 1504 fcport->port_type = FCT_INITIATOR; 1505 1506 if (iop[0] & BIT_7) 1507 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 1508 1509 if (logio->io_parameter[7] || logio->io_parameter[8]) 1510 fcport->supported_classes |= FC_COS_CLASS2; 1511 if (logio->io_parameter[9] || logio->io_parameter[10]) 1512 fcport->supported_classes |= FC_COS_CLASS3; 1513 1514 goto logio_done; 1515 } 1516 1517 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1518 iop[1] = le32_to_cpu(logio->io_parameter[1]); 1519 switch (iop[0]) { 1520 case LSC_SCODE_PORTID_USED: 1521 data[0] = MBS_PORT_ID_USED; 1522 data[1] = LSW(iop[1]); 1523 break; 1524 case LSC_SCODE_NPORT_USED: 1525 data[0] = MBS_LOOP_ID_USED; 1526 break; 1527 default: 1528 data[0] = MBS_COMMAND_ERROR; 1529 break; 1530 } 1531 1532 ql_dbg(ql_dbg_async, fcport->vha, 0x5037, 1533 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x " 1534 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain, 1535 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1536 le16_to_cpu(logio->comp_status), 1537 le32_to_cpu(logio->io_parameter[0]), 1538 le32_to_cpu(logio->io_parameter[1])); 1539 1540logio_done: 1541 sp->done(vha, sp, 0); 1542} 1543 1544static void 1545qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 1546{ 1547 const char func[] = "TMF-IOCB"; 1548 const char *type; 1549 fc_port_t *fcport; 1550 srb_t *sp; 1551 struct srb_iocb *iocb; 1552 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1553 1554 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1555 if (!sp) 1556 return; 1557 1558 iocb = &sp->u.iocb_cmd; 1559 type = sp->name; 1560 fcport = sp->fcport; 1561 iocb->u.tmf.data = QLA_SUCCESS; 1562 1563 if (sts->entry_status) { 1564 ql_log(ql_log_warn, fcport->vha, 0x5038, 1565 "Async-%s error - hdl=%x entry-status(%x).\n", 1566 type, sp->handle, sts->entry_status); 1567 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1568 } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) { 1569 ql_log(ql_log_warn, fcport->vha, 0x5039, 1570 "Async-%s error - hdl=%x completion status(%x).\n", 1571 type, sp->handle, sts->comp_status); 1572 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1573 } else if ((le16_to_cpu(sts->scsi_status) & 1574 SS_RESPONSE_INFO_LEN_VALID)) { 1575 if (le32_to_cpu(sts->rsp_data_len) < 4) { 1576 ql_log(ql_log_warn, fcport->vha, 0x503b, 1577 "Async-%s error - hdl=%x not enough response(%d).\n", 1578 type, sp->handle, sts->rsp_data_len); 1579 } else if (sts->data[3]) { 1580 ql_log(ql_log_warn, fcport->vha, 0x503c, 1581 "Async-%s error - hdl=%x response(%x).\n", 1582 type, sp->handle, sts->data[3]); 1583 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1584 } 1585 } 1586 1587 if (iocb->u.tmf.data != QLA_SUCCESS) 1588 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, 1589 (uint8_t *)sts, sizeof(*sts)); 1590 1591 sp->done(vha, sp, 0); 1592} 1593 1594/** 1595 * qla2x00_process_response_queue() - Process response queue entries. 1596 * @ha: SCSI driver HA context 1597 */ 1598void 1599qla2x00_process_response_queue(struct rsp_que *rsp) 1600{ 1601 struct scsi_qla_host *vha; 1602 struct qla_hw_data *ha = rsp->hw; 1603 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1604 sts_entry_t *pkt; 1605 uint16_t handle_cnt; 1606 uint16_t cnt; 1607 1608 vha = pci_get_drvdata(ha->pdev); 1609 1610 if (!vha->flags.online) 1611 return; 1612 1613 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 1614 pkt = (sts_entry_t *)rsp->ring_ptr; 1615 1616 rsp->ring_index++; 1617 if (rsp->ring_index == rsp->length) { 1618 rsp->ring_index = 0; 1619 rsp->ring_ptr = rsp->ring; 1620 } else { 1621 rsp->ring_ptr++; 1622 } 1623 1624 if (pkt->entry_status != 0) { 1625 qla2x00_error_entry(vha, rsp, pkt); 1626 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 1627 wmb(); 1628 continue; 1629 } 1630 1631 switch (pkt->entry_type) { 1632 case STATUS_TYPE: 1633 qla2x00_status_entry(vha, rsp, pkt); 1634 break; 1635 case STATUS_TYPE_21: 1636 handle_cnt = ((sts21_entry_t *)pkt)->handle_count; 1637 for (cnt = 0; cnt < handle_cnt; cnt++) { 1638 qla2x00_process_completed_request(vha, rsp->req, 1639 ((sts21_entry_t *)pkt)->handle[cnt]); 1640 } 1641 break; 1642 case STATUS_TYPE_22: 1643 handle_cnt = ((sts22_entry_t *)pkt)->handle_count; 1644 for (cnt = 0; cnt < handle_cnt; cnt++) { 1645 qla2x00_process_completed_request(vha, rsp->req, 1646 ((sts22_entry_t *)pkt)->handle[cnt]); 1647 } 1648 break; 1649 case STATUS_CONT_TYPE: 1650 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 1651 break; 1652 case MBX_IOCB_TYPE: 1653 qla2x00_mbx_iocb_entry(vha, rsp->req, 1654 (struct mbx_entry *)pkt); 1655 break; 1656 case CT_IOCB_TYPE: 1657 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 1658 break; 1659 default: 1660 /* Type Not Supported. */ 1661 ql_log(ql_log_warn, vha, 0x504a, 1662 "Received unknown response pkt type %x " 1663 "entry status=%x.\n", 1664 pkt->entry_type, pkt->entry_status); 1665 break; 1666 } 1667 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 1668 wmb(); 1669 } 1670 1671 /* Adjust ring index */ 1672 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 1673} 1674 1675static inline void 1676qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 1677 uint32_t sense_len, struct rsp_que *rsp, int res) 1678{ 1679 struct scsi_qla_host *vha = sp->fcport->vha; 1680 struct scsi_cmnd *cp = GET_CMD_SP(sp); 1681 uint32_t track_sense_len; 1682 1683 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 1684 sense_len = SCSI_SENSE_BUFFERSIZE; 1685 1686 SET_CMD_SENSE_LEN(sp, sense_len); 1687 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 1688 track_sense_len = sense_len; 1689 1690 if (sense_len > par_sense_len) 1691 sense_len = par_sense_len; 1692 1693 memcpy(cp->sense_buffer, sense_data, sense_len); 1694 1695 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 1696 track_sense_len -= sense_len; 1697 SET_CMD_SENSE_LEN(sp, track_sense_len); 1698 1699 if (track_sense_len != 0) { 1700 rsp->status_srb = sp; 1701 cp->result = res; 1702 } 1703 1704 if (sense_len) { 1705 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 1706 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 1707 sp->fcport->vha->host_no, cp->device->id, cp->device->lun, 1708 cp); 1709 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 1710 cp->sense_buffer, sense_len); 1711 } 1712} 1713 1714struct scsi_dif_tuple { 1715 __be16 guard; /* Checksum */ 1716 __be16 app_tag; /* APPL identifier */ 1717 __be32 ref_tag; /* Target LBA or indirect LBA */ 1718}; 1719 1720/* 1721 * Checks the guard or meta-data for the type of error 1722 * detected by the HBA. In case of errors, we set the 1723 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 1724 * to indicate to the kernel that the HBA detected error. 1725 */ 1726static inline int 1727qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 1728{ 1729 struct scsi_qla_host *vha = sp->fcport->vha; 1730 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 1731 uint8_t *ap = &sts24->data[12]; 1732 uint8_t *ep = &sts24->data[20]; 1733 uint32_t e_ref_tag, a_ref_tag; 1734 uint16_t e_app_tag, a_app_tag; 1735 uint16_t e_guard, a_guard; 1736 1737 /* 1738 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 1739 * would make guard field appear at offset 2 1740 */ 1741 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); 1742 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); 1743 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); 1744 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); 1745 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); 1746 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); 1747 1748 ql_dbg(ql_dbg_io, vha, 0x3023, 1749 "iocb(s) %p Returned STATUS.\n", sts24); 1750 1751 ql_dbg(ql_dbg_io, vha, 0x3024, 1752 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 1753 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 1754 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 1755 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 1756 a_app_tag, e_app_tag, a_guard, e_guard); 1757 1758 /* 1759 * Ignore sector if: 1760 * For type 3: ref & app tag is all 'f's 1761 * For type 0,1,2: app tag is all 'f's 1762 */ 1763 if ((a_app_tag == 0xffff) && 1764 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 1765 (a_ref_tag == 0xffffffff))) { 1766 uint32_t blocks_done, resid; 1767 sector_t lba_s = scsi_get_lba(cmd); 1768 1769 /* 2TB boundary case covered automatically with this */ 1770 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 1771 1772 resid = scsi_bufflen(cmd) - (blocks_done * 1773 cmd->device->sector_size); 1774 1775 scsi_set_resid(cmd, resid); 1776 cmd->result = DID_OK << 16; 1777 1778 /* Update protection tag */ 1779 if (scsi_prot_sg_count(cmd)) { 1780 uint32_t i, j = 0, k = 0, num_ent; 1781 struct scatterlist *sg; 1782 struct sd_dif_tuple *spt; 1783 1784 /* Patch the corresponding protection tags */ 1785 scsi_for_each_prot_sg(cmd, sg, 1786 scsi_prot_sg_count(cmd), i) { 1787 num_ent = sg_dma_len(sg) / 8; 1788 if (k + num_ent < blocks_done) { 1789 k += num_ent; 1790 continue; 1791 } 1792 j = blocks_done - k - 1; 1793 k = blocks_done; 1794 break; 1795 } 1796 1797 if (k != blocks_done) { 1798 ql_log(ql_log_warn, vha, 0x302f, 1799 "unexpected tag values tag:lba=%x:%llx)\n", 1800 e_ref_tag, (unsigned long long)lba_s); 1801 return 1; 1802 } 1803 1804 spt = page_address(sg_page(sg)) + sg->offset; 1805 spt += j; 1806 1807 spt->app_tag = 0xffff; 1808 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 1809 spt->ref_tag = 0xffffffff; 1810 } 1811 1812 return 0; 1813 } 1814 1815 /* check guard */ 1816 if (e_guard != a_guard) { 1817 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 1818 0x10, 0x1); 1819 set_driver_byte(cmd, DRIVER_SENSE); 1820 set_host_byte(cmd, DID_ABORT); 1821 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 1822 return 1; 1823 } 1824 1825 /* check ref tag */ 1826 if (e_ref_tag != a_ref_tag) { 1827 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 1828 0x10, 0x3); 1829 set_driver_byte(cmd, DRIVER_SENSE); 1830 set_host_byte(cmd, DID_ABORT); 1831 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 1832 return 1; 1833 } 1834 1835 /* check appl tag */ 1836 if (e_app_tag != a_app_tag) { 1837 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 1838 0x10, 0x2); 1839 set_driver_byte(cmd, DRIVER_SENSE); 1840 set_host_byte(cmd, DID_ABORT); 1841 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 1842 return 1; 1843 } 1844 1845 return 1; 1846} 1847 1848static void 1849qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 1850 struct req_que *req, uint32_t index) 1851{ 1852 struct qla_hw_data *ha = vha->hw; 1853 srb_t *sp; 1854 uint16_t comp_status; 1855 uint16_t scsi_status; 1856 uint16_t thread_id; 1857 uint32_t rval = EXT_STATUS_OK; 1858 struct fc_bsg_job *bsg_job = NULL; 1859 sts_entry_t *sts; 1860 struct sts_entry_24xx *sts24; 1861 sts = (sts_entry_t *) pkt; 1862 sts24 = (struct sts_entry_24xx *) pkt; 1863 1864 /* Validate handle. */ 1865 if (index >= req->num_outstanding_cmds) { 1866 ql_log(ql_log_warn, vha, 0x70af, 1867 "Invalid SCSI completion handle 0x%x.\n", index); 1868 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1869 return; 1870 } 1871 1872 sp = req->outstanding_cmds[index]; 1873 if (sp) { 1874 /* Free outstanding command slot. */ 1875 req->outstanding_cmds[index] = NULL; 1876 bsg_job = sp->u.bsg_job; 1877 } else { 1878 ql_log(ql_log_warn, vha, 0x70b0, 1879 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 1880 req->id, index); 1881 1882 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1883 return; 1884 } 1885 1886 if (IS_FWI2_CAPABLE(ha)) { 1887 comp_status = le16_to_cpu(sts24->comp_status); 1888 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 1889 } else { 1890 comp_status = le16_to_cpu(sts->comp_status); 1891 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 1892 } 1893 1894 thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1]; 1895 switch (comp_status) { 1896 case CS_COMPLETE: 1897 if (scsi_status == 0) { 1898 bsg_job->reply->reply_payload_rcv_len = 1899 bsg_job->reply_payload.payload_len; 1900 vha->qla_stats.input_bytes += 1901 bsg_job->reply->reply_payload_rcv_len; 1902 vha->qla_stats.input_requests++; 1903 rval = EXT_STATUS_OK; 1904 } 1905 goto done; 1906 1907 case CS_DATA_OVERRUN: 1908 ql_dbg(ql_dbg_user, vha, 0x70b1, 1909 "Command completed with date overrun thread_id=%d\n", 1910 thread_id); 1911 rval = EXT_STATUS_DATA_OVERRUN; 1912 break; 1913 1914 case CS_DATA_UNDERRUN: 1915 ql_dbg(ql_dbg_user, vha, 0x70b2, 1916 "Command completed with date underrun thread_id=%d\n", 1917 thread_id); 1918 rval = EXT_STATUS_DATA_UNDERRUN; 1919 break; 1920 case CS_BIDIR_RD_OVERRUN: 1921 ql_dbg(ql_dbg_user, vha, 0x70b3, 1922 "Command completed with read data overrun thread_id=%d\n", 1923 thread_id); 1924 rval = EXT_STATUS_DATA_OVERRUN; 1925 break; 1926 1927 case CS_BIDIR_RD_WR_OVERRUN: 1928 ql_dbg(ql_dbg_user, vha, 0x70b4, 1929 "Command completed with read and write data overrun " 1930 "thread_id=%d\n", thread_id); 1931 rval = EXT_STATUS_DATA_OVERRUN; 1932 break; 1933 1934 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 1935 ql_dbg(ql_dbg_user, vha, 0x70b5, 1936 "Command completed with read data over and write data " 1937 "underrun thread_id=%d\n", thread_id); 1938 rval = EXT_STATUS_DATA_OVERRUN; 1939 break; 1940 1941 case CS_BIDIR_RD_UNDERRUN: 1942 ql_dbg(ql_dbg_user, vha, 0x70b6, 1943 "Command completed with read data data underrun " 1944 "thread_id=%d\n", thread_id); 1945 rval = EXT_STATUS_DATA_UNDERRUN; 1946 break; 1947 1948 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 1949 ql_dbg(ql_dbg_user, vha, 0x70b7, 1950 "Command completed with read data under and write data " 1951 "overrun thread_id=%d\n", thread_id); 1952 rval = EXT_STATUS_DATA_UNDERRUN; 1953 break; 1954 1955 case CS_BIDIR_RD_WR_UNDERRUN: 1956 ql_dbg(ql_dbg_user, vha, 0x70b8, 1957 "Command completed with read and write data underrun " 1958 "thread_id=%d\n", thread_id); 1959 rval = EXT_STATUS_DATA_UNDERRUN; 1960 break; 1961 1962 case CS_BIDIR_DMA: 1963 ql_dbg(ql_dbg_user, vha, 0x70b9, 1964 "Command completed with data DMA error thread_id=%d\n", 1965 thread_id); 1966 rval = EXT_STATUS_DMA_ERR; 1967 break; 1968 1969 case CS_TIMEOUT: 1970 ql_dbg(ql_dbg_user, vha, 0x70ba, 1971 "Command completed with timeout thread_id=%d\n", 1972 thread_id); 1973 rval = EXT_STATUS_TIMEOUT; 1974 break; 1975 default: 1976 ql_dbg(ql_dbg_user, vha, 0x70bb, 1977 "Command completed with completion status=0x%x " 1978 "thread_id=%d\n", comp_status, thread_id); 1979 rval = EXT_STATUS_ERR; 1980 break; 1981 } 1982 bsg_job->reply->reply_payload_rcv_len = 0; 1983 1984done: 1985 /* Return the vendor specific reply to API */ 1986 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 1987 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1988 /* Always return DID_OK, bsg will send the vendor specific response 1989 * in this case only */ 1990 sp->done(vha, sp, (DID_OK << 6)); 1991 1992} 1993 1994/** 1995 * qla2x00_status_entry() - Process a Status IOCB entry. 1996 * @ha: SCSI driver HA context 1997 * @pkt: Entry pointer 1998 */ 1999static void 2000qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2001{ 2002 srb_t *sp; 2003 fc_port_t *fcport; 2004 struct scsi_cmnd *cp; 2005 sts_entry_t *sts; 2006 struct sts_entry_24xx *sts24; 2007 uint16_t comp_status; 2008 uint16_t scsi_status; 2009 uint16_t ox_id; 2010 uint8_t lscsi_status; 2011 int32_t resid; 2012 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2013 fw_resid_len; 2014 uint8_t *rsp_info, *sense_data; 2015 struct qla_hw_data *ha = vha->hw; 2016 uint32_t handle; 2017 uint16_t que; 2018 struct req_que *req; 2019 int logit = 1; 2020 int res = 0; 2021 uint16_t state_flags = 0; 2022 uint16_t retry_delay = 0; 2023 2024 sts = (sts_entry_t *) pkt; 2025 sts24 = (struct sts_entry_24xx *) pkt; 2026 if (IS_FWI2_CAPABLE(ha)) { 2027 comp_status = le16_to_cpu(sts24->comp_status); 2028 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2029 state_flags = le16_to_cpu(sts24->state_flags); 2030 } else { 2031 comp_status = le16_to_cpu(sts->comp_status); 2032 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2033 } 2034 handle = (uint32_t) LSW(sts->handle); 2035 que = MSW(sts->handle); 2036 req = ha->req_q_map[que]; 2037 2038 /* Check for invalid queue pointer */ 2039 if (req == NULL || 2040 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 2041 ql_dbg(ql_dbg_io, vha, 0x3059, 2042 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 2043 "que=%u.\n", sts->handle, req, que); 2044 return; 2045 } 2046 2047 /* Validate handle. */ 2048 if (handle < req->num_outstanding_cmds) 2049 sp = req->outstanding_cmds[handle]; 2050 else 2051 sp = NULL; 2052 2053 if (sp == NULL) { 2054 ql_dbg(ql_dbg_io, vha, 0x3017, 2055 "Invalid status handle (0x%x).\n", sts->handle); 2056 2057 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 2058 if (IS_P3P_TYPE(ha)) 2059 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2060 else 2061 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2062 qla2xxx_wake_dpc(vha); 2063 } 2064 return; 2065 } 2066 2067 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 2068 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 2069 return; 2070 } 2071 2072 /* Task Management completion. */ 2073 if (sp->type == SRB_TM_CMD) { 2074 qla24xx_tm_iocb_entry(vha, req, pkt); 2075 return; 2076 } 2077 2078 /* Fast path completion. */ 2079 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2080 qla2x00_process_completed_request(vha, req, handle); 2081 2082 return; 2083 } 2084 2085 req->outstanding_cmds[handle] = NULL; 2086 cp = GET_CMD_SP(sp); 2087 if (cp == NULL) { 2088 ql_dbg(ql_dbg_io, vha, 0x3018, 2089 "Command already returned (0x%x/%p).\n", 2090 sts->handle, sp); 2091 2092 return; 2093 } 2094 2095 lscsi_status = scsi_status & STATUS_MASK; 2096 2097 fcport = sp->fcport; 2098 2099 ox_id = 0; 2100 sense_len = par_sense_len = rsp_info_len = resid_len = 2101 fw_resid_len = 0; 2102 if (IS_FWI2_CAPABLE(ha)) { 2103 if (scsi_status & SS_SENSE_LEN_VALID) 2104 sense_len = le32_to_cpu(sts24->sense_len); 2105 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2106 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 2107 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 2108 resid_len = le32_to_cpu(sts24->rsp_residual_count); 2109 if (comp_status == CS_DATA_UNDERRUN) 2110 fw_resid_len = le32_to_cpu(sts24->residual_len); 2111 rsp_info = sts24->data; 2112 sense_data = sts24->data; 2113 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 2114 ox_id = le16_to_cpu(sts24->ox_id); 2115 par_sense_len = sizeof(sts24->data); 2116 /* Valid values of the retry delay timer are 0x1-0xffef */ 2117 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) 2118 retry_delay = sts24->retry_delay; 2119 } else { 2120 if (scsi_status & SS_SENSE_LEN_VALID) 2121 sense_len = le16_to_cpu(sts->req_sense_length); 2122 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2123 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 2124 resid_len = le32_to_cpu(sts->residual_length); 2125 rsp_info = sts->rsp_info; 2126 sense_data = sts->req_sense_data; 2127 par_sense_len = sizeof(sts->req_sense_data); 2128 } 2129 2130 /* Check for any FCP transport errors. */ 2131 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 2132 /* Sense data lies beyond any FCP RESPONSE data. */ 2133 if (IS_FWI2_CAPABLE(ha)) { 2134 sense_data += rsp_info_len; 2135 par_sense_len -= rsp_info_len; 2136 } 2137 if (rsp_info_len > 3 && rsp_info[3]) { 2138 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 2139 "FCP I/O protocol failure (0x%x/0x%x).\n", 2140 rsp_info_len, rsp_info[3]); 2141 2142 res = DID_BUS_BUSY << 16; 2143 goto out; 2144 } 2145 } 2146 2147 /* Check for overrun. */ 2148 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2149 scsi_status & SS_RESIDUAL_OVER) 2150 comp_status = CS_DATA_OVERRUN; 2151 2152 /* 2153 * Check retry_delay_timer value if we receive a busy or 2154 * queue full. 2155 */ 2156 if (lscsi_status == SAM_STAT_TASK_SET_FULL || 2157 lscsi_status == SAM_STAT_BUSY) 2158 qla2x00_set_retry_delay_timestamp(fcport, retry_delay); 2159 2160 /* 2161 * Based on Host and scsi status generate status code for Linux 2162 */ 2163 switch (comp_status) { 2164 case CS_COMPLETE: 2165 case CS_QUEUE_FULL: 2166 if (scsi_status == 0) { 2167 res = DID_OK << 16; 2168 break; 2169 } 2170 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2171 resid = resid_len; 2172 scsi_set_resid(cp, resid); 2173 2174 if (!lscsi_status && 2175 ((unsigned)(scsi_bufflen(cp) - resid) < 2176 cp->underflow)) { 2177 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2178 "Mid-layer underflow " 2179 "detected (0x%x of 0x%x bytes).\n", 2180 resid, scsi_bufflen(cp)); 2181 2182 res = DID_ERROR << 16; 2183 break; 2184 } 2185 } 2186 res = DID_OK << 16 | lscsi_status; 2187 2188 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2189 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2190 "QUEUE FULL detected.\n"); 2191 break; 2192 } 2193 logit = 0; 2194 if (lscsi_status != SS_CHECK_CONDITION) 2195 break; 2196 2197 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2198 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2199 break; 2200 2201 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2202 rsp, res); 2203 break; 2204 2205 case CS_DATA_UNDERRUN: 2206 /* Use F/W calculated residual length. */ 2207 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2208 scsi_set_resid(cp, resid); 2209 if (scsi_status & SS_RESIDUAL_UNDER) { 2210 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2211 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2212 "Dropped frame(s) detected " 2213 "(0x%x of 0x%x bytes).\n", 2214 resid, scsi_bufflen(cp)); 2215 2216 res = DID_ERROR << 16 | lscsi_status; 2217 goto check_scsi_status; 2218 } 2219 2220 if (!lscsi_status && 2221 ((unsigned)(scsi_bufflen(cp) - resid) < 2222 cp->underflow)) { 2223 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2224 "Mid-layer underflow " 2225 "detected (0x%x of 0x%x bytes).\n", 2226 resid, scsi_bufflen(cp)); 2227 2228 res = DID_ERROR << 16; 2229 break; 2230 } 2231 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2232 lscsi_status != SAM_STAT_BUSY) { 2233 /* 2234 * scsi status of task set and busy are considered to be 2235 * task not completed. 2236 */ 2237 2238 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2239 "Dropped frame(s) detected (0x%x " 2240 "of 0x%x bytes).\n", resid, 2241 scsi_bufflen(cp)); 2242 2243 res = DID_ERROR << 16 | lscsi_status; 2244 goto check_scsi_status; 2245 } else { 2246 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2247 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2248 scsi_status, lscsi_status); 2249 } 2250 2251 res = DID_OK << 16 | lscsi_status; 2252 logit = 0; 2253 2254check_scsi_status: 2255 /* 2256 * Check to see if SCSI Status is non zero. If so report SCSI 2257 * Status. 2258 */ 2259 if (lscsi_status != 0) { 2260 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2261 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2262 "QUEUE FULL detected.\n"); 2263 logit = 1; 2264 break; 2265 } 2266 if (lscsi_status != SS_CHECK_CONDITION) 2267 break; 2268 2269 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2270 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2271 break; 2272 2273 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2274 sense_len, rsp, res); 2275 } 2276 break; 2277 2278 case CS_PORT_LOGGED_OUT: 2279 case CS_PORT_CONFIG_CHG: 2280 case CS_PORT_BUSY: 2281 case CS_INCOMPLETE: 2282 case CS_PORT_UNAVAILABLE: 2283 case CS_TIMEOUT: 2284 case CS_RESET: 2285 2286 /* 2287 * We are going to have the fc class block the rport 2288 * while we try to recover so instruct the mid layer 2289 * to requeue until the class decides how to handle this. 2290 */ 2291 res = DID_TRANSPORT_DISRUPTED << 16; 2292 2293 if (comp_status == CS_TIMEOUT) { 2294 if (IS_FWI2_CAPABLE(ha)) 2295 break; 2296 else if ((le16_to_cpu(sts->status_flags) & 2297 SF_LOGOUT_SENT) == 0) 2298 break; 2299 } 2300 2301 ql_dbg(ql_dbg_io, fcport->vha, 0x3021, 2302 "Port to be marked lost on fcport=%02x%02x%02x, current " 2303 "port state= %s.\n", fcport->d_id.b.domain, 2304 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2305 port_state_str[atomic_read(&fcport->state)]); 2306 2307 if (atomic_read(&fcport->state) == FCS_ONLINE) 2308 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 2309 break; 2310 2311 case CS_ABORTED: 2312 res = DID_RESET << 16; 2313 break; 2314 2315 case CS_DIF_ERROR: 2316 logit = qla2x00_handle_dif_error(sp, sts24); 2317 res = cp->result; 2318 break; 2319 2320 case CS_TRANSPORT: 2321 res = DID_ERROR << 16; 2322 2323 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2324 break; 2325 2326 if (state_flags & BIT_4) 2327 scmd_printk(KERN_WARNING, cp, 2328 "Unsupported device '%s' found.\n", 2329 cp->device->vendor); 2330 break; 2331 2332 default: 2333 res = DID_ERROR << 16; 2334 break; 2335 } 2336 2337out: 2338 if (logit) 2339 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 2340 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 2341 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " 2342 "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n", 2343 comp_status, scsi_status, res, vha->host_no, 2344 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 2345 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 2346 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2347 resid_len, fw_resid_len); 2348 2349 if (rsp->status_srb == NULL) 2350 sp->done(ha, sp, res); 2351} 2352 2353/** 2354 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 2355 * @ha: SCSI driver HA context 2356 * @pkt: Entry pointer 2357 * 2358 * Extended sense data. 2359 */ 2360static void 2361qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2362{ 2363 uint8_t sense_sz = 0; 2364 struct qla_hw_data *ha = rsp->hw; 2365 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2366 srb_t *sp = rsp->status_srb; 2367 struct scsi_cmnd *cp; 2368 uint32_t sense_len; 2369 uint8_t *sense_ptr; 2370 2371 if (!sp || !GET_CMD_SENSE_LEN(sp)) 2372 return; 2373 2374 sense_len = GET_CMD_SENSE_LEN(sp); 2375 sense_ptr = GET_CMD_SENSE_PTR(sp); 2376 2377 cp = GET_CMD_SP(sp); 2378 if (cp == NULL) { 2379 ql_log(ql_log_warn, vha, 0x3025, 2380 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2381 2382 rsp->status_srb = NULL; 2383 return; 2384 } 2385 2386 if (sense_len > sizeof(pkt->data)) 2387 sense_sz = sizeof(pkt->data); 2388 else 2389 sense_sz = sense_len; 2390 2391 /* Move sense data. */ 2392 if (IS_FWI2_CAPABLE(ha)) 2393 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 2394 memcpy(sense_ptr, pkt->data, sense_sz); 2395 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 2396 sense_ptr, sense_sz); 2397 2398 sense_len -= sense_sz; 2399 sense_ptr += sense_sz; 2400 2401 SET_CMD_SENSE_PTR(sp, sense_ptr); 2402 SET_CMD_SENSE_LEN(sp, sense_len); 2403 2404 /* Place command on done queue. */ 2405 if (sense_len == 0) { 2406 rsp->status_srb = NULL; 2407 sp->done(ha, sp, cp->result); 2408 } 2409} 2410 2411/** 2412 * qla2x00_error_entry() - Process an error entry. 2413 * @ha: SCSI driver HA context 2414 * @pkt: Entry pointer 2415 */ 2416static void 2417qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 2418{ 2419 srb_t *sp; 2420 struct qla_hw_data *ha = vha->hw; 2421 const char func[] = "ERROR-IOCB"; 2422 uint16_t que = MSW(pkt->handle); 2423 struct req_que *req = NULL; 2424 int res = DID_ERROR << 16; 2425 2426 ql_dbg(ql_dbg_async, vha, 0x502a, 2427 "type of error status in response: 0x%x\n", pkt->entry_status); 2428 2429 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 2430 goto fatal; 2431 2432 req = ha->req_q_map[que]; 2433 2434 if (pkt->entry_status & RF_BUSY) 2435 res = DID_BUS_BUSY << 16; 2436 2437 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2438 if (sp) { 2439 sp->done(ha, sp, res); 2440 return; 2441 } 2442fatal: 2443 ql_log(ql_log_warn, vha, 0x5030, 2444 "Error entry - invalid handle/queue.\n"); 2445 2446 if (IS_P3P_TYPE(ha)) 2447 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2448 else 2449 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2450 qla2xxx_wake_dpc(vha); 2451} 2452 2453/** 2454 * qla24xx_mbx_completion() - Process mailbox command completions. 2455 * @ha: SCSI driver HA context 2456 * @mb0: Mailbox0 register 2457 */ 2458static void 2459qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2460{ 2461 uint16_t cnt; 2462 uint32_t mboxes; 2463 uint16_t __iomem *wptr; 2464 struct qla_hw_data *ha = vha->hw; 2465 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2466 2467 /* Read all mbox registers? */ 2468 mboxes = (1 << ha->mbx_count) - 1; 2469 if (!ha->mcp) 2470 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 2471 else 2472 mboxes = ha->mcp->in_mb; 2473 2474 /* Load return mailbox registers. */ 2475 ha->flags.mbox_int = 1; 2476 ha->mailbox_out[0] = mb0; 2477 mboxes >>= 1; 2478 wptr = (uint16_t __iomem *)®->mailbox1; 2479 2480 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2481 if (mboxes & BIT_0) 2482 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2483 2484 mboxes >>= 1; 2485 wptr++; 2486 } 2487} 2488 2489static void 2490qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2491 struct abort_entry_24xx *pkt) 2492{ 2493 const char func[] = "ABT_IOCB"; 2494 srb_t *sp; 2495 struct srb_iocb *abt; 2496 2497 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2498 if (!sp) 2499 return; 2500 2501 abt = &sp->u.iocb_cmd; 2502 abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle); 2503 sp->done(vha, sp, 0); 2504} 2505 2506/** 2507 * qla24xx_process_response_queue() - Process response queue entries. 2508 * @ha: SCSI driver HA context 2509 */ 2510void qla24xx_process_response_queue(struct scsi_qla_host *vha, 2511 struct rsp_que *rsp) 2512{ 2513 struct sts_entry_24xx *pkt; 2514 struct qla_hw_data *ha = vha->hw; 2515 2516 if (!vha->flags.online) 2517 return; 2518 2519 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2520 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 2521 2522 rsp->ring_index++; 2523 if (rsp->ring_index == rsp->length) { 2524 rsp->ring_index = 0; 2525 rsp->ring_ptr = rsp->ring; 2526 } else { 2527 rsp->ring_ptr++; 2528 } 2529 2530 if (pkt->entry_status != 0) { 2531 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); 2532 2533 if (qlt_24xx_process_response_error(vha, pkt)) 2534 goto process_err; 2535 2536 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2537 wmb(); 2538 continue; 2539 } 2540process_err: 2541 2542 switch (pkt->entry_type) { 2543 case STATUS_TYPE: 2544 qla2x00_status_entry(vha, rsp, pkt); 2545 break; 2546 case STATUS_CONT_TYPE: 2547 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2548 break; 2549 case VP_RPT_ID_IOCB_TYPE: 2550 qla24xx_report_id_acquisition(vha, 2551 (struct vp_rpt_id_entry_24xx *)pkt); 2552 break; 2553 case LOGINOUT_PORT_IOCB_TYPE: 2554 qla24xx_logio_entry(vha, rsp->req, 2555 (struct logio_entry_24xx *)pkt); 2556 break; 2557 case CT_IOCB_TYPE: 2558 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2559 break; 2560 case ELS_IOCB_TYPE: 2561 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 2562 break; 2563 case ABTS_RECV_24XX: 2564 /* ensure that the ATIO queue is empty */ 2565 qlt_24xx_process_atio_queue(vha); 2566 case ABTS_RESP_24XX: 2567 case CTIO_TYPE7: 2568 case NOTIFY_ACK_TYPE: 2569 case CTIO_CRC2: 2570 qlt_response_pkt_all_vps(vha, (response_t *)pkt); 2571 break; 2572 case MARKER_TYPE: 2573 /* Do nothing in this case, this check is to prevent it 2574 * from falling into default case 2575 */ 2576 break; 2577 case ABORT_IOCB_TYPE: 2578 qla24xx_abort_iocb_entry(vha, rsp->req, 2579 (struct abort_entry_24xx *)pkt); 2580 break; 2581 default: 2582 /* Type Not Supported. */ 2583 ql_dbg(ql_dbg_async, vha, 0x5042, 2584 "Received unknown response pkt type %x " 2585 "entry status=%x.\n", 2586 pkt->entry_type, pkt->entry_status); 2587 break; 2588 } 2589 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2590 wmb(); 2591 } 2592 2593 /* Adjust ring index */ 2594 if (IS_P3P_TYPE(ha)) { 2595 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 2596 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 2597 } else 2598 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 2599} 2600 2601static void 2602qla2xxx_check_risc_status(scsi_qla_host_t *vha) 2603{ 2604 int rval; 2605 uint32_t cnt; 2606 struct qla_hw_data *ha = vha->hw; 2607 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2608 2609 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 2610 !IS_QLA27XX(ha)) 2611 return; 2612 2613 rval = QLA_SUCCESS; 2614 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 2615 RD_REG_DWORD(®->iobase_addr); 2616 WRT_REG_DWORD(®->iobase_window, 0x0001); 2617 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 2618 rval == QLA_SUCCESS; cnt--) { 2619 if (cnt) { 2620 WRT_REG_DWORD(®->iobase_window, 0x0001); 2621 udelay(10); 2622 } else 2623 rval = QLA_FUNCTION_TIMEOUT; 2624 } 2625 if (rval == QLA_SUCCESS) 2626 goto next_test; 2627 2628 rval = QLA_SUCCESS; 2629 WRT_REG_DWORD(®->iobase_window, 0x0003); 2630 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 2631 rval == QLA_SUCCESS; cnt--) { 2632 if (cnt) { 2633 WRT_REG_DWORD(®->iobase_window, 0x0003); 2634 udelay(10); 2635 } else 2636 rval = QLA_FUNCTION_TIMEOUT; 2637 } 2638 if (rval != QLA_SUCCESS) 2639 goto done; 2640 2641next_test: 2642 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 2643 ql_log(ql_log_info, vha, 0x504c, 2644 "Additional code -- 0x55AA.\n"); 2645 2646done: 2647 WRT_REG_DWORD(®->iobase_window, 0x0000); 2648 RD_REG_DWORD(®->iobase_window); 2649} 2650 2651/** 2652 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 2653 * @irq: 2654 * @dev_id: SCSI driver HA context 2655 * 2656 * Called by system whenever the host adapter generates an interrupt. 2657 * 2658 * Returns handled flag. 2659 */ 2660irqreturn_t 2661qla24xx_intr_handler(int irq, void *dev_id) 2662{ 2663 scsi_qla_host_t *vha; 2664 struct qla_hw_data *ha; 2665 struct device_reg_24xx __iomem *reg; 2666 int status; 2667 unsigned long iter; 2668 uint32_t stat; 2669 uint32_t hccr; 2670 uint16_t mb[8]; 2671 struct rsp_que *rsp; 2672 unsigned long flags; 2673 2674 rsp = (struct rsp_que *) dev_id; 2675 if (!rsp) { 2676 ql_log(ql_log_info, NULL, 0x5059, 2677 "%s: NULL response queue pointer.\n", __func__); 2678 return IRQ_NONE; 2679 } 2680 2681 ha = rsp->hw; 2682 reg = &ha->iobase->isp24; 2683 status = 0; 2684 2685 if (unlikely(pci_channel_offline(ha->pdev))) 2686 return IRQ_HANDLED; 2687 2688 spin_lock_irqsave(&ha->hardware_lock, flags); 2689 vha = pci_get_drvdata(ha->pdev); 2690 for (iter = 50; iter--; ) { 2691 stat = RD_REG_DWORD(®->host_status); 2692 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 2693 break; 2694 if (stat & HSRX_RISC_PAUSED) { 2695 if (unlikely(pci_channel_offline(ha->pdev))) 2696 break; 2697 2698 hccr = RD_REG_DWORD(®->hccr); 2699 2700 ql_log(ql_log_warn, vha, 0x504b, 2701 "RISC paused -- HCCR=%x, Dumping firmware.\n", 2702 hccr); 2703 2704 qla2xxx_check_risc_status(vha); 2705 2706 ha->isp_ops->fw_dump(vha, 1); 2707 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2708 break; 2709 } else if ((stat & HSRX_RISC_INT) == 0) 2710 break; 2711 2712 switch (stat & 0xff) { 2713 case INTR_ROM_MB_SUCCESS: 2714 case INTR_ROM_MB_FAILED: 2715 case INTR_MB_SUCCESS: 2716 case INTR_MB_FAILED: 2717 qla24xx_mbx_completion(vha, MSW(stat)); 2718 status |= MBX_INTERRUPT; 2719 2720 break; 2721 case INTR_ASYNC_EVENT: 2722 mb[0] = MSW(stat); 2723 mb[1] = RD_REG_WORD(®->mailbox1); 2724 mb[2] = RD_REG_WORD(®->mailbox2); 2725 mb[3] = RD_REG_WORD(®->mailbox3); 2726 qla2x00_async_event(vha, rsp, mb); 2727 break; 2728 case INTR_RSP_QUE_UPDATE: 2729 case INTR_RSP_QUE_UPDATE_83XX: 2730 qla24xx_process_response_queue(vha, rsp); 2731 break; 2732 case INTR_ATIO_QUE_UPDATE: 2733 qlt_24xx_process_atio_queue(vha); 2734 break; 2735 case INTR_ATIO_RSP_QUE_UPDATE: 2736 qlt_24xx_process_atio_queue(vha); 2737 qla24xx_process_response_queue(vha, rsp); 2738 break; 2739 default: 2740 ql_dbg(ql_dbg_async, vha, 0x504f, 2741 "Unrecognized interrupt type (%d).\n", stat * 0xff); 2742 break; 2743 } 2744 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2745 RD_REG_DWORD_RELAXED(®->hccr); 2746 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 2747 ndelay(3500); 2748 } 2749 qla2x00_handle_mbx_completion(ha, status); 2750 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2751 2752 return IRQ_HANDLED; 2753} 2754 2755static irqreturn_t 2756qla24xx_msix_rsp_q(int irq, void *dev_id) 2757{ 2758 struct qla_hw_data *ha; 2759 struct rsp_que *rsp; 2760 struct device_reg_24xx __iomem *reg; 2761 struct scsi_qla_host *vha; 2762 unsigned long flags; 2763 uint32_t stat = 0; 2764 2765 rsp = (struct rsp_que *) dev_id; 2766 if (!rsp) { 2767 ql_log(ql_log_info, NULL, 0x505a, 2768 "%s: NULL response queue pointer.\n", __func__); 2769 return IRQ_NONE; 2770 } 2771 ha = rsp->hw; 2772 reg = &ha->iobase->isp24; 2773 2774 spin_lock_irqsave(&ha->hardware_lock, flags); 2775 2776 vha = pci_get_drvdata(ha->pdev); 2777 /* 2778 * Use host_status register to check to PCI disconnection before we 2779 * we process the response queue. 2780 */ 2781 stat = RD_REG_DWORD(®->host_status); 2782 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 2783 goto out; 2784 qla24xx_process_response_queue(vha, rsp); 2785 if (!ha->flags.disable_msix_handshake) { 2786 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2787 RD_REG_DWORD_RELAXED(®->hccr); 2788 } 2789out: 2790 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2791 2792 return IRQ_HANDLED; 2793} 2794 2795static irqreturn_t 2796qla25xx_msix_rsp_q(int irq, void *dev_id) 2797{ 2798 struct qla_hw_data *ha; 2799 scsi_qla_host_t *vha; 2800 struct rsp_que *rsp; 2801 struct device_reg_24xx __iomem *reg; 2802 unsigned long flags; 2803 uint32_t hccr = 0; 2804 2805 rsp = (struct rsp_que *) dev_id; 2806 if (!rsp) { 2807 ql_log(ql_log_info, NULL, 0x505b, 2808 "%s: NULL response queue pointer.\n", __func__); 2809 return IRQ_NONE; 2810 } 2811 ha = rsp->hw; 2812 vha = pci_get_drvdata(ha->pdev); 2813 2814 /* Clear the interrupt, if enabled, for this response queue */ 2815 if (!ha->flags.disable_msix_handshake) { 2816 reg = &ha->iobase->isp24; 2817 spin_lock_irqsave(&ha->hardware_lock, flags); 2818 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2819 hccr = RD_REG_DWORD_RELAXED(®->hccr); 2820 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2821 } 2822 if (qla2x00_check_reg32_for_disconnect(vha, hccr)) 2823 goto out; 2824 queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); 2825 2826out: 2827 return IRQ_HANDLED; 2828} 2829 2830static irqreturn_t 2831qla24xx_msix_default(int irq, void *dev_id) 2832{ 2833 scsi_qla_host_t *vha; 2834 struct qla_hw_data *ha; 2835 struct rsp_que *rsp; 2836 struct device_reg_24xx __iomem *reg; 2837 int status; 2838 uint32_t stat; 2839 uint32_t hccr; 2840 uint16_t mb[8]; 2841 unsigned long flags; 2842 2843 rsp = (struct rsp_que *) dev_id; 2844 if (!rsp) { 2845 ql_log(ql_log_info, NULL, 0x505c, 2846 "%s: NULL response queue pointer.\n", __func__); 2847 return IRQ_NONE; 2848 } 2849 ha = rsp->hw; 2850 reg = &ha->iobase->isp24; 2851 status = 0; 2852 2853 spin_lock_irqsave(&ha->hardware_lock, flags); 2854 vha = pci_get_drvdata(ha->pdev); 2855 do { 2856 stat = RD_REG_DWORD(®->host_status); 2857 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 2858 break; 2859 if (stat & HSRX_RISC_PAUSED) { 2860 if (unlikely(pci_channel_offline(ha->pdev))) 2861 break; 2862 2863 hccr = RD_REG_DWORD(®->hccr); 2864 2865 ql_log(ql_log_info, vha, 0x5050, 2866 "RISC paused -- HCCR=%x, Dumping firmware.\n", 2867 hccr); 2868 2869 qla2xxx_check_risc_status(vha); 2870 2871 ha->isp_ops->fw_dump(vha, 1); 2872 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2873 break; 2874 } else if ((stat & HSRX_RISC_INT) == 0) 2875 break; 2876 2877 switch (stat & 0xff) { 2878 case INTR_ROM_MB_SUCCESS: 2879 case INTR_ROM_MB_FAILED: 2880 case INTR_MB_SUCCESS: 2881 case INTR_MB_FAILED: 2882 qla24xx_mbx_completion(vha, MSW(stat)); 2883 status |= MBX_INTERRUPT; 2884 2885 break; 2886 case INTR_ASYNC_EVENT: 2887 mb[0] = MSW(stat); 2888 mb[1] = RD_REG_WORD(®->mailbox1); 2889 mb[2] = RD_REG_WORD(®->mailbox2); 2890 mb[3] = RD_REG_WORD(®->mailbox3); 2891 qla2x00_async_event(vha, rsp, mb); 2892 break; 2893 case INTR_RSP_QUE_UPDATE: 2894 case INTR_RSP_QUE_UPDATE_83XX: 2895 qla24xx_process_response_queue(vha, rsp); 2896 break; 2897 case INTR_ATIO_QUE_UPDATE: 2898 qlt_24xx_process_atio_queue(vha); 2899 break; 2900 case INTR_ATIO_RSP_QUE_UPDATE: 2901 qlt_24xx_process_atio_queue(vha); 2902 qla24xx_process_response_queue(vha, rsp); 2903 break; 2904 default: 2905 ql_dbg(ql_dbg_async, vha, 0x5051, 2906 "Unrecognized interrupt type (%d).\n", stat & 0xff); 2907 break; 2908 } 2909 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2910 } while (0); 2911 qla2x00_handle_mbx_completion(ha, status); 2912 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2913 2914 return IRQ_HANDLED; 2915} 2916 2917/* Interrupt handling helpers. */ 2918 2919struct qla_init_msix_entry { 2920 const char *name; 2921 irq_handler_t handler; 2922}; 2923 2924static struct qla_init_msix_entry msix_entries[3] = { 2925 { "qla2xxx (default)", qla24xx_msix_default }, 2926 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, 2927 { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, 2928}; 2929 2930static struct qla_init_msix_entry qla82xx_msix_entries[2] = { 2931 { "qla2xxx (default)", qla82xx_msix_default }, 2932 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 2933}; 2934 2935static struct qla_init_msix_entry qla83xx_msix_entries[3] = { 2936 { "qla2xxx (default)", qla24xx_msix_default }, 2937 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, 2938 { "qla2xxx (atio_q)", qla83xx_msix_atio_q }, 2939}; 2940 2941static void 2942qla24xx_disable_msix(struct qla_hw_data *ha) 2943{ 2944 int i; 2945 struct qla_msix_entry *qentry; 2946 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2947 2948 for (i = 0; i < ha->msix_count; i++) { 2949 qentry = &ha->msix_entries[i]; 2950 if (qentry->have_irq) 2951 free_irq(qentry->vector, qentry->rsp); 2952 } 2953 pci_disable_msix(ha->pdev); 2954 kfree(ha->msix_entries); 2955 ha->msix_entries = NULL; 2956 ha->flags.msix_enabled = 0; 2957 ql_dbg(ql_dbg_init, vha, 0x0042, 2958 "Disabled the MSI.\n"); 2959} 2960 2961static int 2962qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 2963{ 2964#define MIN_MSIX_COUNT 2 2965#define ATIO_VECTOR 2 2966 int i, ret; 2967 struct msix_entry *entries; 2968 struct qla_msix_entry *qentry; 2969 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2970 2971 entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, 2972 GFP_KERNEL); 2973 if (!entries) { 2974 ql_log(ql_log_warn, vha, 0x00bc, 2975 "Failed to allocate memory for msix_entry.\n"); 2976 return -ENOMEM; 2977 } 2978 2979 for (i = 0; i < ha->msix_count; i++) 2980 entries[i].entry = i; 2981 2982 ret = pci_enable_msix_range(ha->pdev, 2983 entries, MIN_MSIX_COUNT, ha->msix_count); 2984 if (ret < 0) { 2985 ql_log(ql_log_fatal, vha, 0x00c7, 2986 "MSI-X: Failed to enable support, " 2987 "giving up -- %d/%d.\n", 2988 ha->msix_count, ret); 2989 goto msix_out; 2990 } else if (ret < ha->msix_count) { 2991 ql_log(ql_log_warn, vha, 0x00c6, 2992 "MSI-X: Failed to enable support " 2993 "-- %d/%d\n Retry with %d vectors.\n", 2994 ha->msix_count, ret, ret); 2995 ha->msix_count = ret; 2996 ha->max_rsp_queues = ha->msix_count - 1; 2997 } 2998 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * 2999 ha->msix_count, GFP_KERNEL); 3000 if (!ha->msix_entries) { 3001 ql_log(ql_log_fatal, vha, 0x00c8, 3002 "Failed to allocate memory for ha->msix_entries.\n"); 3003 ret = -ENOMEM; 3004 goto msix_out; 3005 } 3006 ha->flags.msix_enabled = 1; 3007 3008 for (i = 0; i < ha->msix_count; i++) { 3009 qentry = &ha->msix_entries[i]; 3010 qentry->vector = entries[i].vector; 3011 qentry->entry = entries[i].entry; 3012 qentry->have_irq = 0; 3013 qentry->rsp = NULL; 3014 } 3015 3016 /* Enable MSI-X vectors for the base queue */ 3017 for (i = 0; i < 2; i++) { 3018 qentry = &ha->msix_entries[i]; 3019 if (IS_P3P_TYPE(ha)) 3020 ret = request_irq(qentry->vector, 3021 qla82xx_msix_entries[i].handler, 3022 0, qla82xx_msix_entries[i].name, rsp); 3023 else 3024 ret = request_irq(qentry->vector, 3025 msix_entries[i].handler, 3026 0, msix_entries[i].name, rsp); 3027 if (ret) 3028 goto msix_register_fail; 3029 qentry->have_irq = 1; 3030 qentry->rsp = rsp; 3031 rsp->msix = qentry; 3032 } 3033 3034 /* 3035 * If target mode is enable, also request the vector for the ATIO 3036 * queue. 3037 */ 3038 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) { 3039 qentry = &ha->msix_entries[ATIO_VECTOR]; 3040 ret = request_irq(qentry->vector, 3041 qla83xx_msix_entries[ATIO_VECTOR].handler, 3042 0, qla83xx_msix_entries[ATIO_VECTOR].name, rsp); 3043 qentry->have_irq = 1; 3044 qentry->rsp = rsp; 3045 rsp->msix = qentry; 3046 } 3047 3048msix_register_fail: 3049 if (ret) { 3050 ql_log(ql_log_fatal, vha, 0x00cb, 3051 "MSI-X: unable to register handler -- %x/%d.\n", 3052 qentry->vector, ret); 3053 qla24xx_disable_msix(ha); 3054 ha->mqenable = 0; 3055 goto msix_out; 3056 } 3057 3058 /* Enable MSI-X vector for response queue update for queue 0 */ 3059 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 3060 if (ha->msixbase && ha->mqiobase && 3061 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) 3062 ha->mqenable = 1; 3063 } else 3064 if (ha->mqiobase 3065 && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) 3066 ha->mqenable = 1; 3067 ql_dbg(ql_dbg_multiq, vha, 0xc005, 3068 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3069 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3070 ql_dbg(ql_dbg_init, vha, 0x0055, 3071 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3072 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3073 3074msix_out: 3075 kfree(entries); 3076 return ret; 3077} 3078 3079int 3080qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 3081{ 3082 int ret = QLA_FUNCTION_FAILED; 3083 device_reg_t *reg = ha->iobase; 3084 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3085 3086 /* If possible, enable MSI-X. */ 3087 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3088 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) && 3089 !IS_QLA27XX(ha)) 3090 goto skip_msi; 3091 3092 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 3093 (ha->pdev->subsystem_device == 0x7040 || 3094 ha->pdev->subsystem_device == 0x7041 || 3095 ha->pdev->subsystem_device == 0x1705)) { 3096 ql_log(ql_log_warn, vha, 0x0034, 3097 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 3098 ha->pdev->subsystem_vendor, 3099 ha->pdev->subsystem_device); 3100 goto skip_msi; 3101 } 3102 3103 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 3104 ql_log(ql_log_warn, vha, 0x0035, 3105 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 3106 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 3107 goto skip_msix; 3108 } 3109 3110 ret = qla24xx_enable_msix(ha, rsp); 3111 if (!ret) { 3112 ql_dbg(ql_dbg_init, vha, 0x0036, 3113 "MSI-X: Enabled (0x%X, 0x%X).\n", 3114 ha->chip_revision, ha->fw_attributes); 3115 goto clear_risc_ints; 3116 } 3117 3118skip_msix: 3119 3120 ql_log(ql_log_info, vha, 0x0037, 3121 "Falling back-to MSI mode -%d.\n", ret); 3122 3123 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3124 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 3125 !IS_QLA27XX(ha)) 3126 goto skip_msi; 3127 3128 ret = pci_enable_msi(ha->pdev); 3129 if (!ret) { 3130 ql_dbg(ql_dbg_init, vha, 0x0038, 3131 "MSI: Enabled.\n"); 3132 ha->flags.msi_enabled = 1; 3133 } else 3134 ql_log(ql_log_warn, vha, 0x0039, 3135 "Falling back-to INTa mode -- %d.\n", ret); 3136skip_msi: 3137 3138 /* Skip INTx on ISP82xx. */ 3139 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 3140 return QLA_FUNCTION_FAILED; 3141 3142 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 3143 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 3144 QLA2XXX_DRIVER_NAME, rsp); 3145 if (ret) { 3146 ql_log(ql_log_warn, vha, 0x003a, 3147 "Failed to reserve interrupt %d already in use.\n", 3148 ha->pdev->irq); 3149 goto fail; 3150 } else if (!ha->flags.msi_enabled) { 3151 ql_dbg(ql_dbg_init, vha, 0x0125, 3152 "INTa mode: Enabled.\n"); 3153 ha->flags.mr_intr_valid = 1; 3154 } 3155 3156clear_risc_ints: 3157 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 3158 goto fail; 3159 3160 spin_lock_irq(&ha->hardware_lock); 3161 WRT_REG_WORD(®->isp.semaphore, 0); 3162 spin_unlock_irq(&ha->hardware_lock); 3163 3164fail: 3165 return ret; 3166} 3167 3168void 3169qla2x00_free_irqs(scsi_qla_host_t *vha) 3170{ 3171 struct qla_hw_data *ha = vha->hw; 3172 struct rsp_que *rsp; 3173 3174 /* 3175 * We need to check that ha->rsp_q_map is valid in case we are called 3176 * from a probe failure context. 3177 */ 3178 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 3179 return; 3180 rsp = ha->rsp_q_map[0]; 3181 3182 if (ha->flags.msix_enabled) 3183 qla24xx_disable_msix(ha); 3184 else if (ha->flags.msi_enabled) { 3185 free_irq(ha->pdev->irq, rsp); 3186 pci_disable_msi(ha->pdev); 3187 } else 3188 free_irq(ha->pdev->irq, rsp); 3189} 3190 3191 3192int qla25xx_request_irq(struct rsp_que *rsp) 3193{ 3194 struct qla_hw_data *ha = rsp->hw; 3195 struct qla_init_msix_entry *intr = &msix_entries[2]; 3196 struct qla_msix_entry *msix = rsp->msix; 3197 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3198 int ret; 3199 3200 ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); 3201 if (ret) { 3202 ql_log(ql_log_fatal, vha, 0x00e6, 3203 "MSI-X: Unable to register handler -- %x/%d.\n", 3204 msix->vector, ret); 3205 return ret; 3206 } 3207 msix->have_irq = 1; 3208 msix->rsp = rsp; 3209 return ret; 3210} 3211