1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2014 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 #include "qla_target.h" 9 10 #include <linux/delay.h> 11 #include <linux/slab.h> 12 #include <linux/cpu.h> 13 #include <linux/t10-pi.h> 14 #include <scsi/scsi_tcq.h> 15 #include <scsi/scsi_bsg_fc.h> 16 #include <scsi/scsi_eh.h> 17 18 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); 19 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); 20 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); 21 static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, 22 sts_entry_t *); 23 24 /** 25 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. 26 * @irq: 27 * @dev_id: SCSI driver HA context 28 * 29 * Called by system whenever the host adapter generates an interrupt. 30 * 31 * Returns handled flag. 32 */ 33 irqreturn_t 34 qla2100_intr_handler(int irq, void *dev_id) 35 { 36 scsi_qla_host_t *vha; 37 struct qla_hw_data *ha; 38 struct device_reg_2xxx __iomem *reg; 39 int status; 40 unsigned long iter; 41 uint16_t hccr; 42 uint16_t mb[4]; 43 struct rsp_que *rsp; 44 unsigned long flags; 45 46 rsp = (struct rsp_que *) dev_id; 47 if (!rsp) { 48 ql_log(ql_log_info, NULL, 0x505d, 49 "%s: NULL response queue pointer.\n", __func__); 50 return (IRQ_NONE); 51 } 52 53 ha = rsp->hw; 54 reg = &ha->iobase->isp; 55 status = 0; 56 57 spin_lock_irqsave(&ha->hardware_lock, flags); 58 vha = pci_get_drvdata(ha->pdev); 59 for (iter = 50; iter--; ) { 60 hccr = RD_REG_WORD(®->hccr); 61 if (qla2x00_check_reg16_for_disconnect(vha, hccr)) 62 break; 63 if (hccr & HCCR_RISC_PAUSE) { 64 if (pci_channel_offline(ha->pdev)) 65 break; 66 67 /* 68 * Issue a "HARD" reset in order for the RISC interrupt 69 * bit to be cleared. Schedule a big hammer to get 70 * out of the RISC PAUSED state. 71 */ 72 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 73 RD_REG_WORD(®->hccr); 74 75 ha->isp_ops->fw_dump(vha, 1); 76 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 77 break; 78 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) 79 break; 80 81 if (RD_REG_WORD(®->semaphore) & BIT_0) { 82 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 83 RD_REG_WORD(®->hccr); 84 85 /* Get mailbox data. */ 86 mb[0] = RD_MAILBOX_REG(ha, reg, 0); 87 if (mb[0] > 0x3fff && mb[0] < 0x8000) { 88 qla2x00_mbx_completion(vha, mb[0]); 89 status |= MBX_INTERRUPT; 90 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { 91 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 92 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 93 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 94 qla2x00_async_event(vha, rsp, mb); 95 } else { 96 /*EMPTY*/ 97 ql_dbg(ql_dbg_async, vha, 0x5025, 98 "Unrecognized interrupt type (%d).\n", 99 mb[0]); 100 } 101 /* Release mailbox registers. */ 102 WRT_REG_WORD(®->semaphore, 0); 103 RD_REG_WORD(®->semaphore); 104 } else { 105 qla2x00_process_response_queue(rsp); 106 107 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 108 RD_REG_WORD(®->hccr); 109 } 110 } 111 qla2x00_handle_mbx_completion(ha, status); 112 spin_unlock_irqrestore(&ha->hardware_lock, flags); 113 114 return (IRQ_HANDLED); 115 } 116 117 bool 118 qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg) 119 { 120 /* Check for PCI disconnection */ 121 if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) { 122 if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) && 123 !test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) && 124 !test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) { 125 /* 126 * Schedule this (only once) on the default system 127 * workqueue so that all the adapter workqueues and the 128 * DPC thread can be shutdown cleanly. 129 */ 130 schedule_work(&vha->hw->board_disable); 131 } 132 return true; 133 } else 134 return false; 135 } 136 137 bool 138 qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg) 139 { 140 return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg); 141 } 142 143 /** 144 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 145 * @irq: 146 * @dev_id: SCSI driver HA context 147 * 148 * Called by system whenever the host adapter generates an interrupt. 149 * 150 * Returns handled flag. 151 */ 152 irqreturn_t 153 qla2300_intr_handler(int irq, void *dev_id) 154 { 155 scsi_qla_host_t *vha; 156 struct device_reg_2xxx __iomem *reg; 157 int status; 158 unsigned long iter; 159 uint32_t stat; 160 uint16_t hccr; 161 uint16_t mb[4]; 162 struct rsp_que *rsp; 163 struct qla_hw_data *ha; 164 unsigned long flags; 165 166 rsp = (struct rsp_que *) dev_id; 167 if (!rsp) { 168 ql_log(ql_log_info, NULL, 0x5058, 169 "%s: NULL response queue pointer.\n", __func__); 170 return (IRQ_NONE); 171 } 172 173 ha = rsp->hw; 174 reg = &ha->iobase->isp; 175 status = 0; 176 177 spin_lock_irqsave(&ha->hardware_lock, flags); 178 vha = pci_get_drvdata(ha->pdev); 179 for (iter = 50; iter--; ) { 180 stat = RD_REG_DWORD(®->u.isp2300.host_status); 181 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 182 break; 183 if (stat & HSR_RISC_PAUSED) { 184 if (unlikely(pci_channel_offline(ha->pdev))) 185 break; 186 187 hccr = RD_REG_WORD(®->hccr); 188 189 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) 190 ql_log(ql_log_warn, vha, 0x5026, 191 "Parity error -- HCCR=%x, Dumping " 192 "firmware.\n", hccr); 193 else 194 ql_log(ql_log_warn, vha, 0x5027, 195 "RISC paused -- HCCR=%x, Dumping " 196 "firmware.\n", hccr); 197 198 /* 199 * Issue a "HARD" reset in order for the RISC 200 * interrupt bit to be cleared. Schedule a big 201 * hammer to get out of the RISC PAUSED state. 202 */ 203 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 204 RD_REG_WORD(®->hccr); 205 206 ha->isp_ops->fw_dump(vha, 1); 207 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 208 break; 209 } else if ((stat & HSR_RISC_INT) == 0) 210 break; 211 212 switch (stat & 0xff) { 213 case 0x1: 214 case 0x2: 215 case 0x10: 216 case 0x11: 217 qla2x00_mbx_completion(vha, MSW(stat)); 218 status |= MBX_INTERRUPT; 219 220 /* Release mailbox registers. */ 221 WRT_REG_WORD(®->semaphore, 0); 222 break; 223 case 0x12: 224 mb[0] = MSW(stat); 225 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 226 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 227 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 228 qla2x00_async_event(vha, rsp, mb); 229 break; 230 case 0x13: 231 qla2x00_process_response_queue(rsp); 232 break; 233 case 0x15: 234 mb[0] = MBA_CMPLT_1_16BIT; 235 mb[1] = MSW(stat); 236 qla2x00_async_event(vha, rsp, mb); 237 break; 238 case 0x16: 239 mb[0] = MBA_SCSI_COMPLETION; 240 mb[1] = MSW(stat); 241 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 242 qla2x00_async_event(vha, rsp, mb); 243 break; 244 default: 245 ql_dbg(ql_dbg_async, vha, 0x5028, 246 "Unrecognized interrupt type (%d).\n", stat & 0xff); 247 break; 248 } 249 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 250 RD_REG_WORD_RELAXED(®->hccr); 251 } 252 qla2x00_handle_mbx_completion(ha, status); 253 spin_unlock_irqrestore(&ha->hardware_lock, flags); 254 255 return (IRQ_HANDLED); 256 } 257 258 /** 259 * qla2x00_mbx_completion() - Process mailbox command completions. 260 * @ha: SCSI driver HA context 261 * @mb0: Mailbox0 register 262 */ 263 static void 264 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 265 { 266 uint16_t cnt; 267 uint32_t mboxes; 268 uint16_t __iomem *wptr; 269 struct qla_hw_data *ha = vha->hw; 270 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 271 272 /* Read all mbox registers? */ 273 mboxes = (1 << ha->mbx_count) - 1; 274 if (!ha->mcp) 275 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); 276 else 277 mboxes = ha->mcp->in_mb; 278 279 /* Load return mailbox registers. */ 280 ha->flags.mbox_int = 1; 281 ha->mailbox_out[0] = mb0; 282 mboxes >>= 1; 283 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); 284 285 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 286 if (IS_QLA2200(ha) && cnt == 8) 287 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); 288 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) 289 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); 290 else if (mboxes & BIT_0) 291 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 292 293 wptr++; 294 mboxes >>= 1; 295 } 296 } 297 298 static void 299 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) 300 { 301 static char *event[] = 302 { "Complete", "Request Notification", "Time Extension" }; 303 int rval; 304 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; 305 struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82; 306 uint16_t __iomem *wptr; 307 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; 308 309 /* Seed data -- mailbox1 -> mailbox7. */ 310 if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) 311 wptr = (uint16_t __iomem *)®24->mailbox1; 312 else if (IS_QLA8044(vha->hw)) 313 wptr = (uint16_t __iomem *)®82->mailbox_out[1]; 314 else 315 return; 316 317 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) 318 mb[cnt] = RD_REG_WORD(wptr); 319 320 ql_dbg(ql_dbg_async, vha, 0x5021, 321 "Inter-Driver Communication %s -- " 322 "%04x %04x %04x %04x %04x %04x %04x.\n", 323 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], 324 mb[4], mb[5], mb[6]); 325 switch (aen) { 326 /* Handle IDC Error completion case. */ 327 case MBA_IDC_COMPLETE: 328 if (mb[1] >> 15) { 329 vha->hw->flags.idc_compl_status = 1; 330 if (vha->hw->notify_dcbx_comp && !vha->vp_idx) 331 complete(&vha->hw->dcbx_comp); 332 } 333 break; 334 335 case MBA_IDC_NOTIFY: 336 /* Acknowledgement needed? [Notify && non-zero timeout]. */ 337 timeout = (descr >> 8) & 0xf; 338 ql_dbg(ql_dbg_async, vha, 0x5022, 339 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", 340 vha->host_no, event[aen & 0xff], timeout); 341 342 if (!timeout) 343 return; 344 rval = qla2x00_post_idc_ack_work(vha, mb); 345 if (rval != QLA_SUCCESS) 346 ql_log(ql_log_warn, vha, 0x5023, 347 "IDC failed to post ACK.\n"); 348 break; 349 case MBA_IDC_TIME_EXT: 350 vha->hw->idc_extend_tmo = descr; 351 ql_dbg(ql_dbg_async, vha, 0x5087, 352 "%lu Inter-Driver Communication %s -- " 353 "Extend timeout by=%d.\n", 354 vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo); 355 break; 356 } 357 } 358 359 #define LS_UNKNOWN 2 360 const char * 361 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) 362 { 363 static const char *const link_speeds[] = { 364 "1", "2", "?", "4", "8", "16", "32", "10" 365 }; 366 #define QLA_LAST_SPEED 7 367 368 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 369 return link_speeds[0]; 370 else if (speed == 0x13) 371 return link_speeds[QLA_LAST_SPEED]; 372 else if (speed < QLA_LAST_SPEED) 373 return link_speeds[speed]; 374 else 375 return link_speeds[LS_UNKNOWN]; 376 } 377 378 static void 379 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 380 { 381 struct qla_hw_data *ha = vha->hw; 382 383 /* 384 * 8200 AEN Interpretation: 385 * mb[0] = AEN code 386 * mb[1] = AEN Reason code 387 * mb[2] = LSW of Peg-Halt Status-1 Register 388 * mb[6] = MSW of Peg-Halt Status-1 Register 389 * mb[3] = LSW of Peg-Halt Status-2 register 390 * mb[7] = MSW of Peg-Halt Status-2 register 391 * mb[4] = IDC Device-State Register value 392 * mb[5] = IDC Driver-Presence Register value 393 */ 394 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " 395 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", 396 mb[0], mb[1], mb[2], mb[6]); 397 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " 398 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " 399 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); 400 401 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | 402 IDC_HEARTBEAT_FAILURE)) { 403 ha->flags.nic_core_hung = 1; 404 ql_log(ql_log_warn, vha, 0x5060, 405 "83XX: F/W Error Reported: Check if reset required.\n"); 406 407 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { 408 uint32_t protocol_engine_id, fw_err_code, err_level; 409 410 /* 411 * IDC_PEG_HALT_STATUS_CHANGE interpretation: 412 * - PEG-Halt Status-1 Register: 413 * (LSW = mb[2], MSW = mb[6]) 414 * Bits 0-7 = protocol-engine ID 415 * Bits 8-28 = f/w error code 416 * Bits 29-31 = Error-level 417 * Error-level 0x1 = Non-Fatal error 418 * Error-level 0x2 = Recoverable Fatal error 419 * Error-level 0x4 = UnRecoverable Fatal error 420 * - PEG-Halt Status-2 Register: 421 * (LSW = mb[3], MSW = mb[7]) 422 */ 423 protocol_engine_id = (mb[2] & 0xff); 424 fw_err_code = (((mb[2] & 0xff00) >> 8) | 425 ((mb[6] & 0x1fff) << 8)); 426 err_level = ((mb[6] & 0xe000) >> 13); 427 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " 428 "Register: protocol_engine_id=0x%x " 429 "fw_err_code=0x%x err_level=0x%x.\n", 430 protocol_engine_id, fw_err_code, err_level); 431 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " 432 "Register: 0x%x%x.\n", mb[7], mb[3]); 433 if (err_level == ERR_LEVEL_NON_FATAL) { 434 ql_log(ql_log_warn, vha, 0x5063, 435 "Not a fatal error, f/w has recovered itself.\n"); 436 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { 437 ql_log(ql_log_fatal, vha, 0x5064, 438 "Recoverable Fatal error: Chip reset " 439 "required.\n"); 440 qla83xx_schedule_work(vha, 441 QLA83XX_NIC_CORE_RESET); 442 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { 443 ql_log(ql_log_fatal, vha, 0x5065, 444 "Unrecoverable Fatal error: Set FAILED " 445 "state, reboot required.\n"); 446 qla83xx_schedule_work(vha, 447 QLA83XX_NIC_CORE_UNRECOVERABLE); 448 } 449 } 450 451 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { 452 uint16_t peg_fw_state, nw_interface_link_up; 453 uint16_t nw_interface_signal_detect, sfp_status; 454 uint16_t htbt_counter, htbt_monitor_enable; 455 uint16_t sfp_additonal_info, sfp_multirate; 456 uint16_t sfp_tx_fault, link_speed, dcbx_status; 457 458 /* 459 * IDC_NIC_FW_REPORTED_FAILURE interpretation: 460 * - PEG-to-FC Status Register: 461 * (LSW = mb[2], MSW = mb[6]) 462 * Bits 0-7 = Peg-Firmware state 463 * Bit 8 = N/W Interface Link-up 464 * Bit 9 = N/W Interface signal detected 465 * Bits 10-11 = SFP Status 466 * SFP Status 0x0 = SFP+ transceiver not expected 467 * SFP Status 0x1 = SFP+ transceiver not present 468 * SFP Status 0x2 = SFP+ transceiver invalid 469 * SFP Status 0x3 = SFP+ transceiver present and 470 * valid 471 * Bits 12-14 = Heartbeat Counter 472 * Bit 15 = Heartbeat Monitor Enable 473 * Bits 16-17 = SFP Additional Info 474 * SFP info 0x0 = Unregocnized transceiver for 475 * Ethernet 476 * SFP info 0x1 = SFP+ brand validation failed 477 * SFP info 0x2 = SFP+ speed validation failed 478 * SFP info 0x3 = SFP+ access error 479 * Bit 18 = SFP Multirate 480 * Bit 19 = SFP Tx Fault 481 * Bits 20-22 = Link Speed 482 * Bits 23-27 = Reserved 483 * Bits 28-30 = DCBX Status 484 * DCBX Status 0x0 = DCBX Disabled 485 * DCBX Status 0x1 = DCBX Enabled 486 * DCBX Status 0x2 = DCBX Exchange error 487 * Bit 31 = Reserved 488 */ 489 peg_fw_state = (mb[2] & 0x00ff); 490 nw_interface_link_up = ((mb[2] & 0x0100) >> 8); 491 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); 492 sfp_status = ((mb[2] & 0x0c00) >> 10); 493 htbt_counter = ((mb[2] & 0x7000) >> 12); 494 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); 495 sfp_additonal_info = (mb[6] & 0x0003); 496 sfp_multirate = ((mb[6] & 0x0004) >> 2); 497 sfp_tx_fault = ((mb[6] & 0x0008) >> 3); 498 link_speed = ((mb[6] & 0x0070) >> 4); 499 dcbx_status = ((mb[6] & 0x7000) >> 12); 500 501 ql_log(ql_log_warn, vha, 0x5066, 502 "Peg-to-Fc Status Register:\n" 503 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " 504 "nw_interface_signal_detect=0x%x" 505 "\nsfp_statis=0x%x.\n ", peg_fw_state, 506 nw_interface_link_up, nw_interface_signal_detect, 507 sfp_status); 508 ql_log(ql_log_warn, vha, 0x5067, 509 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " 510 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ", 511 htbt_counter, htbt_monitor_enable, 512 sfp_additonal_info, sfp_multirate); 513 ql_log(ql_log_warn, vha, 0x5068, 514 "sfp_tx_fault=0x%x, link_state=0x%x, " 515 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, 516 dcbx_status); 517 518 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 519 } 520 521 if (mb[1] & IDC_HEARTBEAT_FAILURE) { 522 ql_log(ql_log_warn, vha, 0x5069, 523 "Heartbeat Failure encountered, chip reset " 524 "required.\n"); 525 526 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 527 } 528 } 529 530 if (mb[1] & IDC_DEVICE_STATE_CHANGE) { 531 ql_log(ql_log_info, vha, 0x506a, 532 "IDC Device-State changed = 0x%x.\n", mb[4]); 533 if (ha->flags.nic_core_reset_owner) 534 return; 535 qla83xx_schedule_work(vha, MBA_IDC_AEN); 536 } 537 } 538 539 int 540 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) 541 { 542 struct qla_hw_data *ha = vha->hw; 543 scsi_qla_host_t *vp; 544 uint32_t vp_did; 545 unsigned long flags; 546 int ret = 0; 547 548 if (!ha->num_vhosts) 549 return ret; 550 551 spin_lock_irqsave(&ha->vport_slock, flags); 552 list_for_each_entry(vp, &ha->vp_list, list) { 553 vp_did = vp->d_id.b24; 554 if (vp_did == rscn_entry) { 555 ret = 1; 556 break; 557 } 558 } 559 spin_unlock_irqrestore(&ha->vport_slock, flags); 560 561 return ret; 562 } 563 564 fc_port_t * 565 qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id) 566 { 567 fc_port_t *f, *tf; 568 569 f = tf = NULL; 570 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) 571 if (f->loop_id == loop_id) 572 return f; 573 return NULL; 574 } 575 576 fc_port_t * 577 qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted) 578 { 579 fc_port_t *f, *tf; 580 581 f = tf = NULL; 582 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 583 if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) { 584 if (incl_deleted) 585 return f; 586 else if (f->deleted == 0) 587 return f; 588 } 589 } 590 return NULL; 591 } 592 593 fc_port_t * 594 qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id, 595 u8 incl_deleted) 596 { 597 fc_port_t *f, *tf; 598 599 f = tf = NULL; 600 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 601 if (f->d_id.b24 == id->b24) { 602 if (incl_deleted) 603 return f; 604 else if (f->deleted == 0) 605 return f; 606 } 607 } 608 return NULL; 609 } 610 611 /** 612 * qla2x00_async_event() - Process aynchronous events. 613 * @ha: SCSI driver HA context 614 * @mb: Mailbox registers (0 - 3) 615 */ 616 void 617 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 618 { 619 uint16_t handle_cnt; 620 uint16_t cnt, mbx; 621 uint32_t handles[5]; 622 struct qla_hw_data *ha = vha->hw; 623 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 624 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 625 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 626 uint32_t rscn_entry, host_pid; 627 unsigned long flags; 628 fc_port_t *fcport = NULL; 629 630 /* Setup to process RIO completion. */ 631 handle_cnt = 0; 632 if (IS_CNA_CAPABLE(ha)) 633 goto skip_rio; 634 switch (mb[0]) { 635 case MBA_SCSI_COMPLETION: 636 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 637 handle_cnt = 1; 638 break; 639 case MBA_CMPLT_1_16BIT: 640 handles[0] = mb[1]; 641 handle_cnt = 1; 642 mb[0] = MBA_SCSI_COMPLETION; 643 break; 644 case MBA_CMPLT_2_16BIT: 645 handles[0] = mb[1]; 646 handles[1] = mb[2]; 647 handle_cnt = 2; 648 mb[0] = MBA_SCSI_COMPLETION; 649 break; 650 case MBA_CMPLT_3_16BIT: 651 handles[0] = mb[1]; 652 handles[1] = mb[2]; 653 handles[2] = mb[3]; 654 handle_cnt = 3; 655 mb[0] = MBA_SCSI_COMPLETION; 656 break; 657 case MBA_CMPLT_4_16BIT: 658 handles[0] = mb[1]; 659 handles[1] = mb[2]; 660 handles[2] = mb[3]; 661 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 662 handle_cnt = 4; 663 mb[0] = MBA_SCSI_COMPLETION; 664 break; 665 case MBA_CMPLT_5_16BIT: 666 handles[0] = mb[1]; 667 handles[1] = mb[2]; 668 handles[2] = mb[3]; 669 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 670 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 671 handle_cnt = 5; 672 mb[0] = MBA_SCSI_COMPLETION; 673 break; 674 case MBA_CMPLT_2_32BIT: 675 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 676 handles[1] = le32_to_cpu( 677 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | 678 RD_MAILBOX_REG(ha, reg, 6)); 679 handle_cnt = 2; 680 mb[0] = MBA_SCSI_COMPLETION; 681 break; 682 default: 683 break; 684 } 685 skip_rio: 686 switch (mb[0]) { 687 case MBA_SCSI_COMPLETION: /* Fast Post */ 688 if (!vha->flags.online) 689 break; 690 691 for (cnt = 0; cnt < handle_cnt; cnt++) 692 qla2x00_process_completed_request(vha, rsp->req, 693 handles[cnt]); 694 break; 695 696 case MBA_RESET: /* Reset */ 697 ql_dbg(ql_dbg_async, vha, 0x5002, 698 "Asynchronous RESET.\n"); 699 700 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 701 break; 702 703 case MBA_SYSTEM_ERR: /* System Error */ 704 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) ? 705 RD_REG_WORD(®24->mailbox7) : 0; 706 ql_log(ql_log_warn, vha, 0x5003, 707 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " 708 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); 709 710 ha->isp_ops->fw_dump(vha, 1); 711 ha->flags.fw_init_done = 0; 712 QLA_FW_STOPPED(ha); 713 714 if (IS_FWI2_CAPABLE(ha)) { 715 if (mb[1] == 0 && mb[2] == 0) { 716 ql_log(ql_log_fatal, vha, 0x5004, 717 "Unrecoverable Hardware Error: adapter " 718 "marked OFFLINE!\n"); 719 vha->flags.online = 0; 720 vha->device_flags |= DFLG_DEV_FAILED; 721 } else { 722 /* Check to see if MPI timeout occurred */ 723 if ((mbx & MBX_3) && (ha->port_no == 0)) 724 set_bit(MPI_RESET_NEEDED, 725 &vha->dpc_flags); 726 727 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 728 } 729 } else if (mb[1] == 0) { 730 ql_log(ql_log_fatal, vha, 0x5005, 731 "Unrecoverable Hardware Error: adapter marked " 732 "OFFLINE!\n"); 733 vha->flags.online = 0; 734 vha->device_flags |= DFLG_DEV_FAILED; 735 } else 736 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 737 break; 738 739 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 740 ql_log(ql_log_warn, vha, 0x5006, 741 "ISP Request Transfer Error (%x).\n", mb[1]); 742 743 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 744 break; 745 746 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 747 ql_log(ql_log_warn, vha, 0x5007, 748 "ISP Response Transfer Error (%x).\n", mb[1]); 749 750 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 751 break; 752 753 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 754 ql_dbg(ql_dbg_async, vha, 0x5008, 755 "Asynchronous WAKEUP_THRES (%x).\n", mb[1]); 756 break; 757 758 case MBA_LOOP_INIT_ERR: 759 ql_log(ql_log_warn, vha, 0x5090, 760 "LOOP INIT ERROR (%x).\n", mb[1]); 761 ha->isp_ops->fw_dump(vha, 1); 762 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 763 break; 764 765 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 766 ha->flags.lip_ae = 1; 767 ha->flags.n2n_ae = 0; 768 769 ql_dbg(ql_dbg_async, vha, 0x5009, 770 "LIP occurred (%x).\n", mb[1]); 771 772 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 773 atomic_set(&vha->loop_state, LOOP_DOWN); 774 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 775 qla2x00_mark_all_devices_lost(vha, 1); 776 } 777 778 if (vha->vp_idx) { 779 atomic_set(&vha->vp_state, VP_FAILED); 780 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 781 } 782 783 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 784 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 785 786 vha->flags.management_server_logged_in = 0; 787 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 788 break; 789 790 case MBA_LOOP_UP: /* Loop Up Event */ 791 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 792 ha->link_data_rate = PORT_SPEED_1GB; 793 else 794 ha->link_data_rate = mb[1]; 795 796 ql_log(ql_log_info, vha, 0x500a, 797 "LOOP UP detected (%s Gbps).\n", 798 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 799 800 vha->flags.management_server_logged_in = 0; 801 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 802 break; 803 804 case MBA_LOOP_DOWN: /* Loop Down Event */ 805 ha->flags.n2n_ae = 0; 806 ha->flags.lip_ae = 0; 807 ha->current_topology = 0; 808 809 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 810 ? RD_REG_WORD(®24->mailbox4) : 0; 811 mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) 812 : mbx; 813 ql_log(ql_log_info, vha, 0x500b, 814 "LOOP DOWN detected (%x %x %x %x).\n", 815 mb[1], mb[2], mb[3], mbx); 816 817 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 818 atomic_set(&vha->loop_state, LOOP_DOWN); 819 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 820 /* 821 * In case of loop down, restore WWPN from 822 * NVRAM in case of FA-WWPN capable ISP 823 * Restore for Physical Port only 824 */ 825 if (!vha->vp_idx) { 826 if (ha->flags.fawwpn_enabled) { 827 void *wwpn = ha->init_cb->port_name; 828 memcpy(vha->port_name, wwpn, WWN_SIZE); 829 fc_host_port_name(vha->host) = 830 wwn_to_u64(vha->port_name); 831 ql_dbg(ql_dbg_init + ql_dbg_verbose, 832 vha, 0x00d8, "LOOP DOWN detected," 833 "restore WWPN %016llx\n", 834 wwn_to_u64(vha->port_name)); 835 } 836 837 clear_bit(VP_CONFIG_OK, &vha->vp_flags); 838 } 839 840 vha->device_flags |= DFLG_NO_CABLE; 841 qla2x00_mark_all_devices_lost(vha, 1); 842 } 843 844 if (vha->vp_idx) { 845 atomic_set(&vha->vp_state, VP_FAILED); 846 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 847 } 848 849 vha->flags.management_server_logged_in = 0; 850 ha->link_data_rate = PORT_SPEED_UNKNOWN; 851 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 852 break; 853 854 case MBA_LIP_RESET: /* LIP reset occurred */ 855 ql_dbg(ql_dbg_async, vha, 0x500c, 856 "LIP reset occurred (%x).\n", mb[1]); 857 858 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 859 atomic_set(&vha->loop_state, LOOP_DOWN); 860 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 861 qla2x00_mark_all_devices_lost(vha, 1); 862 } 863 864 if (vha->vp_idx) { 865 atomic_set(&vha->vp_state, VP_FAILED); 866 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 867 } 868 869 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 870 871 ha->operating_mode = LOOP; 872 vha->flags.management_server_logged_in = 0; 873 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 874 break; 875 876 /* case MBA_DCBX_COMPLETE: */ 877 case MBA_POINT_TO_POINT: /* Point-to-Point */ 878 ha->flags.lip_ae = 0; 879 ha->flags.n2n_ae = 1; 880 881 if (IS_QLA2100(ha)) 882 break; 883 884 if (IS_CNA_CAPABLE(ha)) { 885 ql_dbg(ql_dbg_async, vha, 0x500d, 886 "DCBX Completed -- %04x %04x %04x.\n", 887 mb[1], mb[2], mb[3]); 888 if (ha->notify_dcbx_comp && !vha->vp_idx) 889 complete(&ha->dcbx_comp); 890 891 } else 892 ql_dbg(ql_dbg_async, vha, 0x500e, 893 "Asynchronous P2P MODE received.\n"); 894 895 /* 896 * Until there's a transition from loop down to loop up, treat 897 * this as loop down only. 898 */ 899 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 900 atomic_set(&vha->loop_state, LOOP_DOWN); 901 if (!atomic_read(&vha->loop_down_timer)) 902 atomic_set(&vha->loop_down_timer, 903 LOOP_DOWN_TIME); 904 qla2x00_mark_all_devices_lost(vha, 1); 905 } 906 907 if (vha->vp_idx) { 908 atomic_set(&vha->vp_state, VP_FAILED); 909 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 910 } 911 912 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 913 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 914 915 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 916 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 917 918 ha->flags.gpsc_supported = 1; 919 vha->flags.management_server_logged_in = 0; 920 break; 921 922 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 923 if (IS_QLA2100(ha)) 924 break; 925 926 ql_dbg(ql_dbg_async, vha, 0x500f, 927 "Configuration change detected: value=%x.\n", mb[1]); 928 929 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 930 atomic_set(&vha->loop_state, LOOP_DOWN); 931 if (!atomic_read(&vha->loop_down_timer)) 932 atomic_set(&vha->loop_down_timer, 933 LOOP_DOWN_TIME); 934 qla2x00_mark_all_devices_lost(vha, 1); 935 } 936 937 if (vha->vp_idx) { 938 atomic_set(&vha->vp_state, VP_FAILED); 939 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 940 } 941 942 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 943 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 944 break; 945 946 case MBA_PORT_UPDATE: /* Port database update */ 947 /* 948 * Handle only global and vn-port update events 949 * 950 * Relevant inputs: 951 * mb[1] = N_Port handle of changed port 952 * OR 0xffff for global event 953 * mb[2] = New login state 954 * 7 = Port logged out 955 * mb[3] = LSB is vp_idx, 0xff = all vps 956 * 957 * Skip processing if: 958 * Event is global, vp_idx is NOT all vps, 959 * vp_idx does not match 960 * Event is not global, vp_idx does not match 961 */ 962 if (IS_QLA2XXX_MIDTYPE(ha) && 963 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 964 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 965 break; 966 967 if (mb[2] == 0x7) { 968 ql_dbg(ql_dbg_async, vha, 0x5010, 969 "Port %s %04x %04x %04x.\n", 970 mb[1] == 0xffff ? "unavailable" : "logout", 971 mb[1], mb[2], mb[3]); 972 973 if (mb[1] == 0xffff) 974 goto global_port_update; 975 976 if (mb[1] == NPH_SNS_LID(ha)) { 977 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 978 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 979 break; 980 } 981 982 /* use handle_cnt for loop id/nport handle */ 983 if (IS_FWI2_CAPABLE(ha)) 984 handle_cnt = NPH_SNS; 985 else 986 handle_cnt = SIMPLE_NAME_SERVER; 987 if (mb[1] == handle_cnt) { 988 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 989 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 990 break; 991 } 992 993 /* Port logout */ 994 fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]); 995 if (!fcport) 996 break; 997 if (atomic_read(&fcport->state) != FCS_ONLINE) 998 break; 999 ql_dbg(ql_dbg_async, vha, 0x508a, 1000 "Marking port lost loopid=%04x portid=%06x.\n", 1001 fcport->loop_id, fcport->d_id.b24); 1002 if (qla_ini_mode_enabled(vha)) { 1003 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 1004 fcport->logout_on_delete = 0; 1005 qlt_schedule_sess_for_deletion_lock(fcport); 1006 } 1007 break; 1008 1009 global_port_update: 1010 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1011 atomic_set(&vha->loop_state, LOOP_DOWN); 1012 atomic_set(&vha->loop_down_timer, 1013 LOOP_DOWN_TIME); 1014 vha->device_flags |= DFLG_NO_CABLE; 1015 qla2x00_mark_all_devices_lost(vha, 1); 1016 } 1017 1018 if (vha->vp_idx) { 1019 atomic_set(&vha->vp_state, VP_FAILED); 1020 fc_vport_set_state(vha->fc_vport, 1021 FC_VPORT_FAILED); 1022 qla2x00_mark_all_devices_lost(vha, 1); 1023 } 1024 1025 vha->flags.management_server_logged_in = 0; 1026 ha->link_data_rate = PORT_SPEED_UNKNOWN; 1027 break; 1028 } 1029 1030 /* 1031 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 1032 * event etc. earlier indicating loop is down) then process 1033 * it. Otherwise ignore it and Wait for RSCN to come in. 1034 */ 1035 atomic_set(&vha->loop_down_timer, 0); 1036 if (atomic_read(&vha->loop_state) != LOOP_DOWN && 1037 atomic_read(&vha->loop_state) != LOOP_DEAD) { 1038 ql_dbg(ql_dbg_async, vha, 0x5011, 1039 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 1040 mb[1], mb[2], mb[3]); 1041 1042 qlt_async_event(mb[0], vha, mb); 1043 break; 1044 } 1045 1046 ql_dbg(ql_dbg_async, vha, 0x5012, 1047 "Port database changed %04x %04x %04x.\n", 1048 mb[1], mb[2], mb[3]); 1049 1050 /* 1051 * Mark all devices as missing so we will login again. 1052 */ 1053 atomic_set(&vha->loop_state, LOOP_UP); 1054 1055 qla2x00_mark_all_devices_lost(vha, 1); 1056 1057 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1058 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 1059 set_bit(VP_CONFIG_OK, &vha->vp_flags); 1060 1061 qlt_async_event(mb[0], vha, mb); 1062 break; 1063 1064 case MBA_RSCN_UPDATE: /* State Change Registration */ 1065 /* Check if the Vport has issued a SCR */ 1066 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 1067 break; 1068 /* Only handle SCNs for our Vport index. */ 1069 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 1070 break; 1071 1072 ql_dbg(ql_dbg_async, vha, 0x5013, 1073 "RSCN database changed -- %04x %04x %04x.\n", 1074 mb[1], mb[2], mb[3]); 1075 1076 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 1077 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 1078 | vha->d_id.b.al_pa; 1079 if (rscn_entry == host_pid) { 1080 ql_dbg(ql_dbg_async, vha, 0x5014, 1081 "Ignoring RSCN update to local host " 1082 "port ID (%06x).\n", host_pid); 1083 break; 1084 } 1085 1086 /* Ignore reserved bits from RSCN-payload. */ 1087 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 1088 1089 /* Skip RSCNs for virtual ports on the same physical port */ 1090 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 1091 break; 1092 1093 atomic_set(&vha->loop_down_timer, 0); 1094 vha->flags.management_server_logged_in = 0; 1095 { 1096 struct event_arg ea; 1097 1098 memset(&ea, 0, sizeof(ea)); 1099 ea.event = FCME_RSCN; 1100 ea.id.b24 = rscn_entry; 1101 ea.id.b.rsvd_1 = rscn_entry >> 24; 1102 qla2x00_fcport_event_handler(vha, &ea); 1103 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 1104 } 1105 break; 1106 /* case MBA_RIO_RESPONSE: */ 1107 case MBA_ZIO_RESPONSE: 1108 ql_dbg(ql_dbg_async, vha, 0x5015, 1109 "[R|Z]IO update completion.\n"); 1110 1111 if (IS_FWI2_CAPABLE(ha)) 1112 qla24xx_process_response_queue(vha, rsp); 1113 else 1114 qla2x00_process_response_queue(rsp); 1115 break; 1116 1117 case MBA_DISCARD_RND_FRAME: 1118 ql_dbg(ql_dbg_async, vha, 0x5016, 1119 "Discard RND Frame -- %04x %04x %04x.\n", 1120 mb[1], mb[2], mb[3]); 1121 break; 1122 1123 case MBA_TRACE_NOTIFICATION: 1124 ql_dbg(ql_dbg_async, vha, 0x5017, 1125 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 1126 break; 1127 1128 case MBA_ISP84XX_ALERT: 1129 ql_dbg(ql_dbg_async, vha, 0x5018, 1130 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 1131 mb[1], mb[2], mb[3]); 1132 1133 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 1134 switch (mb[1]) { 1135 case A84_PANIC_RECOVERY: 1136 ql_log(ql_log_info, vha, 0x5019, 1137 "Alert 84XX: panic recovery %04x %04x.\n", 1138 mb[2], mb[3]); 1139 break; 1140 case A84_OP_LOGIN_COMPLETE: 1141 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 1142 ql_log(ql_log_info, vha, 0x501a, 1143 "Alert 84XX: firmware version %x.\n", 1144 ha->cs84xx->op_fw_version); 1145 break; 1146 case A84_DIAG_LOGIN_COMPLETE: 1147 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1148 ql_log(ql_log_info, vha, 0x501b, 1149 "Alert 84XX: diagnostic firmware version %x.\n", 1150 ha->cs84xx->diag_fw_version); 1151 break; 1152 case A84_GOLD_LOGIN_COMPLETE: 1153 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 1154 ha->cs84xx->fw_update = 1; 1155 ql_log(ql_log_info, vha, 0x501c, 1156 "Alert 84XX: gold firmware version %x.\n", 1157 ha->cs84xx->gold_fw_version); 1158 break; 1159 default: 1160 ql_log(ql_log_warn, vha, 0x501d, 1161 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 1162 mb[1], mb[2], mb[3]); 1163 } 1164 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 1165 break; 1166 case MBA_DCBX_START: 1167 ql_dbg(ql_dbg_async, vha, 0x501e, 1168 "DCBX Started -- %04x %04x %04x.\n", 1169 mb[1], mb[2], mb[3]); 1170 break; 1171 case MBA_DCBX_PARAM_UPDATE: 1172 ql_dbg(ql_dbg_async, vha, 0x501f, 1173 "DCBX Parameters Updated -- %04x %04x %04x.\n", 1174 mb[1], mb[2], mb[3]); 1175 break; 1176 case MBA_FCF_CONF_ERR: 1177 ql_dbg(ql_dbg_async, vha, 0x5020, 1178 "FCF Configuration Error -- %04x %04x %04x.\n", 1179 mb[1], mb[2], mb[3]); 1180 break; 1181 case MBA_IDC_NOTIFY: 1182 if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) { 1183 mb[4] = RD_REG_WORD(®24->mailbox4); 1184 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1185 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1186 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1187 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1188 /* 1189 * Extend loop down timer since port is active. 1190 */ 1191 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1192 atomic_set(&vha->loop_down_timer, 1193 LOOP_DOWN_TIME); 1194 qla2xxx_wake_dpc(vha); 1195 } 1196 } 1197 case MBA_IDC_COMPLETE: 1198 if (ha->notify_lb_portup_comp && !vha->vp_idx) 1199 complete(&ha->lb_portup_comp); 1200 /* Fallthru */ 1201 case MBA_IDC_TIME_EXT: 1202 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) || 1203 IS_QLA8044(ha)) 1204 qla81xx_idc_event(vha, mb[0], mb[1]); 1205 break; 1206 1207 case MBA_IDC_AEN: 1208 mb[4] = RD_REG_WORD(®24->mailbox4); 1209 mb[5] = RD_REG_WORD(®24->mailbox5); 1210 mb[6] = RD_REG_WORD(®24->mailbox6); 1211 mb[7] = RD_REG_WORD(®24->mailbox7); 1212 qla83xx_handle_8200_aen(vha, mb); 1213 break; 1214 1215 case MBA_DPORT_DIAGNOSTICS: 1216 ql_dbg(ql_dbg_async, vha, 0x5052, 1217 "D-Port Diagnostics: %04x result=%s\n", 1218 mb[0], 1219 mb[1] == 0 ? "start" : 1220 mb[1] == 1 ? "done (pass)" : 1221 mb[1] == 2 ? "done (error)" : "other"); 1222 break; 1223 1224 case MBA_TEMPERATURE_ALERT: 1225 ql_dbg(ql_dbg_async, vha, 0x505e, 1226 "TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]); 1227 if (mb[1] == 0x12) 1228 schedule_work(&ha->board_disable); 1229 break; 1230 1231 default: 1232 ql_dbg(ql_dbg_async, vha, 0x5057, 1233 "Unknown AEN:%04x %04x %04x %04x\n", 1234 mb[0], mb[1], mb[2], mb[3]); 1235 } 1236 1237 qlt_async_event(mb[0], vha, mb); 1238 1239 if (!vha->vp_idx && ha->num_vhosts) 1240 qla2x00_alert_all_vps(rsp, mb); 1241 } 1242 1243 /** 1244 * qla2x00_process_completed_request() - Process a Fast Post response. 1245 * @ha: SCSI driver HA context 1246 * @index: SRB index 1247 */ 1248 void 1249 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1250 struct req_que *req, uint32_t index) 1251 { 1252 srb_t *sp; 1253 struct qla_hw_data *ha = vha->hw; 1254 1255 /* Validate handle. */ 1256 if (index >= req->num_outstanding_cmds) { 1257 ql_log(ql_log_warn, vha, 0x3014, 1258 "Invalid SCSI command index (%x).\n", index); 1259 1260 if (IS_P3P_TYPE(ha)) 1261 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1262 else 1263 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1264 return; 1265 } 1266 1267 sp = req->outstanding_cmds[index]; 1268 if (sp) { 1269 /* Free outstanding command slot. */ 1270 req->outstanding_cmds[index] = NULL; 1271 1272 /* Save ISP completion status */ 1273 sp->done(sp, DID_OK << 16); 1274 } else { 1275 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1276 1277 if (IS_P3P_TYPE(ha)) 1278 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1279 else 1280 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1281 } 1282 } 1283 1284 srb_t * 1285 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1286 struct req_que *req, void *iocb) 1287 { 1288 struct qla_hw_data *ha = vha->hw; 1289 sts_entry_t *pkt = iocb; 1290 srb_t *sp = NULL; 1291 uint16_t index; 1292 1293 index = LSW(pkt->handle); 1294 if (index >= req->num_outstanding_cmds) { 1295 ql_log(ql_log_warn, vha, 0x5031, 1296 "Invalid command index (%x) type %8ph.\n", 1297 index, iocb); 1298 if (IS_P3P_TYPE(ha)) 1299 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1300 else 1301 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1302 goto done; 1303 } 1304 sp = req->outstanding_cmds[index]; 1305 if (!sp) { 1306 ql_log(ql_log_warn, vha, 0x5032, 1307 "Invalid completion handle (%x) -- timed-out.\n", index); 1308 return sp; 1309 } 1310 if (sp->handle != index) { 1311 ql_log(ql_log_warn, vha, 0x5033, 1312 "SRB handle (%x) mismatch %x.\n", sp->handle, index); 1313 return NULL; 1314 } 1315 1316 req->outstanding_cmds[index] = NULL; 1317 1318 done: 1319 return sp; 1320 } 1321 1322 static void 1323 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1324 struct mbx_entry *mbx) 1325 { 1326 const char func[] = "MBX-IOCB"; 1327 const char *type; 1328 fc_port_t *fcport; 1329 srb_t *sp; 1330 struct srb_iocb *lio; 1331 uint16_t *data; 1332 uint16_t status; 1333 1334 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1335 if (!sp) 1336 return; 1337 1338 lio = &sp->u.iocb_cmd; 1339 type = sp->name; 1340 fcport = sp->fcport; 1341 data = lio->u.logio.data; 1342 1343 data[0] = MBS_COMMAND_ERROR; 1344 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1345 QLA_LOGIO_LOGIN_RETRIED : 0; 1346 if (mbx->entry_status) { 1347 ql_dbg(ql_dbg_async, vha, 0x5043, 1348 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1349 "entry-status=%x status=%x state-flag=%x " 1350 "status-flags=%x.\n", type, sp->handle, 1351 fcport->d_id.b.domain, fcport->d_id.b.area, 1352 fcport->d_id.b.al_pa, mbx->entry_status, 1353 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1354 le16_to_cpu(mbx->status_flags)); 1355 1356 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1357 (uint8_t *)mbx, sizeof(*mbx)); 1358 1359 goto logio_done; 1360 } 1361 1362 status = le16_to_cpu(mbx->status); 1363 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1364 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1365 status = 0; 1366 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1367 ql_dbg(ql_dbg_async, vha, 0x5045, 1368 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1369 type, sp->handle, fcport->d_id.b.domain, 1370 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1371 le16_to_cpu(mbx->mb1)); 1372 1373 data[0] = MBS_COMMAND_COMPLETE; 1374 if (sp->type == SRB_LOGIN_CMD) { 1375 fcport->port_type = FCT_TARGET; 1376 if (le16_to_cpu(mbx->mb1) & BIT_0) 1377 fcport->port_type = FCT_INITIATOR; 1378 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1379 fcport->flags |= FCF_FCP2_DEVICE; 1380 } 1381 goto logio_done; 1382 } 1383 1384 data[0] = le16_to_cpu(mbx->mb0); 1385 switch (data[0]) { 1386 case MBS_PORT_ID_USED: 1387 data[1] = le16_to_cpu(mbx->mb1); 1388 break; 1389 case MBS_LOOP_ID_USED: 1390 break; 1391 default: 1392 data[0] = MBS_COMMAND_ERROR; 1393 break; 1394 } 1395 1396 ql_log(ql_log_warn, vha, 0x5046, 1397 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1398 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1399 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1400 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1401 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1402 le16_to_cpu(mbx->mb7)); 1403 1404 logio_done: 1405 sp->done(sp, 0); 1406 } 1407 1408 static void 1409 qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1410 struct mbx_24xx_entry *pkt) 1411 { 1412 const char func[] = "MBX-IOCB2"; 1413 srb_t *sp; 1414 struct srb_iocb *si; 1415 u16 sz, i; 1416 int res; 1417 1418 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1419 if (!sp) 1420 return; 1421 1422 si = &sp->u.iocb_cmd; 1423 sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb)); 1424 1425 for (i = 0; i < sz; i++) 1426 si->u.mbx.in_mb[i] = le16_to_cpu(pkt->mb[i]); 1427 1428 res = (si->u.mbx.in_mb[0] & MBS_MASK); 1429 1430 sp->done(sp, res); 1431 } 1432 1433 static void 1434 qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1435 struct nack_to_isp *pkt) 1436 { 1437 const char func[] = "nack"; 1438 srb_t *sp; 1439 int res = 0; 1440 1441 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1442 if (!sp) 1443 return; 1444 1445 if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS)) 1446 res = QLA_FUNCTION_FAILED; 1447 1448 sp->done(sp, res); 1449 } 1450 1451 static void 1452 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1453 sts_entry_t *pkt, int iocb_type) 1454 { 1455 const char func[] = "CT_IOCB"; 1456 const char *type; 1457 srb_t *sp; 1458 struct bsg_job *bsg_job; 1459 struct fc_bsg_reply *bsg_reply; 1460 uint16_t comp_status; 1461 int res = 0; 1462 1463 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1464 if (!sp) 1465 return; 1466 1467 switch (sp->type) { 1468 case SRB_CT_CMD: 1469 bsg_job = sp->u.bsg_job; 1470 bsg_reply = bsg_job->reply; 1471 1472 type = "ct pass-through"; 1473 1474 comp_status = le16_to_cpu(pkt->comp_status); 1475 1476 /* 1477 * return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1478 * fc payload to the caller 1479 */ 1480 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1481 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1482 1483 if (comp_status != CS_COMPLETE) { 1484 if (comp_status == CS_DATA_UNDERRUN) { 1485 res = DID_OK << 16; 1486 bsg_reply->reply_payload_rcv_len = 1487 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); 1488 1489 ql_log(ql_log_warn, vha, 0x5048, 1490 "CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n", 1491 type, comp_status, 1492 bsg_reply->reply_payload_rcv_len); 1493 } else { 1494 ql_log(ql_log_warn, vha, 0x5049, 1495 "CT pass-through-%s error comp_status=0x%x.\n", 1496 type, comp_status); 1497 res = DID_ERROR << 16; 1498 bsg_reply->reply_payload_rcv_len = 0; 1499 } 1500 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 1501 (uint8_t *)pkt, sizeof(*pkt)); 1502 } else { 1503 res = DID_OK << 16; 1504 bsg_reply->reply_payload_rcv_len = 1505 bsg_job->reply_payload.payload_len; 1506 bsg_job->reply_len = 0; 1507 } 1508 break; 1509 case SRB_CT_PTHRU_CMD: 1510 /* 1511 * borrowing sts_entry_24xx.comp_status. 1512 * same location as ct_entry_24xx.comp_status 1513 */ 1514 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 1515 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1516 sp->name); 1517 break; 1518 } 1519 1520 sp->done(sp, res); 1521 } 1522 1523 static void 1524 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1525 struct sts_entry_24xx *pkt, int iocb_type) 1526 { 1527 const char func[] = "ELS_CT_IOCB"; 1528 const char *type; 1529 srb_t *sp; 1530 struct bsg_job *bsg_job; 1531 struct fc_bsg_reply *bsg_reply; 1532 uint16_t comp_status; 1533 uint32_t fw_status[3]; 1534 uint8_t* fw_sts_ptr; 1535 int res; 1536 1537 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1538 if (!sp) 1539 return; 1540 bsg_job = sp->u.bsg_job; 1541 bsg_reply = bsg_job->reply; 1542 1543 type = NULL; 1544 switch (sp->type) { 1545 case SRB_ELS_CMD_RPT: 1546 case SRB_ELS_CMD_HST: 1547 type = "els"; 1548 break; 1549 case SRB_CT_CMD: 1550 type = "ct pass-through"; 1551 break; 1552 case SRB_ELS_DCMD: 1553 type = "Driver ELS logo"; 1554 ql_dbg(ql_dbg_user, vha, 0x5047, 1555 "Completing %s: (%p) type=%d.\n", type, sp, sp->type); 1556 sp->done(sp, 0); 1557 return; 1558 case SRB_CT_PTHRU_CMD: 1559 /* borrowing sts_entry_24xx.comp_status. 1560 same location as ct_entry_24xx.comp_status 1561 */ 1562 res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt, 1563 (struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp, 1564 sp->name); 1565 sp->done(sp, res); 1566 return; 1567 default: 1568 ql_dbg(ql_dbg_user, vha, 0x503e, 1569 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 1570 return; 1571 } 1572 1573 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 1574 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); 1575 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); 1576 1577 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1578 * fc payload to the caller 1579 */ 1580 bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1581 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 1582 1583 if (comp_status != CS_COMPLETE) { 1584 if (comp_status == CS_DATA_UNDERRUN) { 1585 res = DID_OK << 16; 1586 bsg_reply->reply_payload_rcv_len = 1587 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); 1588 1589 ql_dbg(ql_dbg_user, vha, 0x503f, 1590 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1591 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 1592 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1593 le16_to_cpu(((struct els_sts_entry_24xx *) 1594 pkt)->total_byte_count)); 1595 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) + 1596 sizeof(struct fc_bsg_reply); 1597 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); 1598 } 1599 else { 1600 ql_dbg(ql_dbg_user, vha, 0x5040, 1601 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1602 "error subcode 1=0x%x error subcode 2=0x%x.\n", 1603 type, sp->handle, comp_status, 1604 le16_to_cpu(((struct els_sts_entry_24xx *) 1605 pkt)->error_subcode_1), 1606 le16_to_cpu(((struct els_sts_entry_24xx *) 1607 pkt)->error_subcode_2)); 1608 res = DID_ERROR << 16; 1609 bsg_reply->reply_payload_rcv_len = 0; 1610 fw_sts_ptr = ((uint8_t*)scsi_req(bsg_job->req)->sense) + 1611 sizeof(struct fc_bsg_reply); 1612 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); 1613 } 1614 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 1615 (uint8_t *)pkt, sizeof(*pkt)); 1616 } 1617 else { 1618 res = DID_OK << 16; 1619 bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 1620 bsg_job->reply_len = 0; 1621 } 1622 1623 sp->done(sp, res); 1624 } 1625 1626 static void 1627 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 1628 struct logio_entry_24xx *logio) 1629 { 1630 const char func[] = "LOGIO-IOCB"; 1631 const char *type; 1632 fc_port_t *fcport; 1633 srb_t *sp; 1634 struct srb_iocb *lio; 1635 uint16_t *data; 1636 uint32_t iop[2]; 1637 1638 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 1639 if (!sp) 1640 return; 1641 1642 lio = &sp->u.iocb_cmd; 1643 type = sp->name; 1644 fcport = sp->fcport; 1645 data = lio->u.logio.data; 1646 1647 data[0] = MBS_COMMAND_ERROR; 1648 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1649 QLA_LOGIO_LOGIN_RETRIED : 0; 1650 if (logio->entry_status) { 1651 ql_log(ql_log_warn, fcport->vha, 0x5034, 1652 "Async-%s error entry - %8phC hdl=%x" 1653 "portid=%02x%02x%02x entry-status=%x.\n", 1654 type, fcport->port_name, sp->handle, fcport->d_id.b.domain, 1655 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1656 logio->entry_status); 1657 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 1658 (uint8_t *)logio, sizeof(*logio)); 1659 1660 goto logio_done; 1661 } 1662 1663 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 1664 ql_dbg(ql_dbg_async, fcport->vha, 0x5036, 1665 "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x " 1666 "iop0=%x.\n", type, fcport->port_name, sp->handle, 1667 fcport->d_id.b.domain, 1668 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1669 le32_to_cpu(logio->io_parameter[0])); 1670 1671 vha->hw->exch_starvation = 0; 1672 data[0] = MBS_COMMAND_COMPLETE; 1673 if (sp->type != SRB_LOGIN_CMD) 1674 goto logio_done; 1675 1676 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1677 if (iop[0] & BIT_4) { 1678 fcport->port_type = FCT_TARGET; 1679 if (iop[0] & BIT_8) 1680 fcport->flags |= FCF_FCP2_DEVICE; 1681 } else if (iop[0] & BIT_5) 1682 fcport->port_type = FCT_INITIATOR; 1683 1684 if (iop[0] & BIT_7) 1685 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 1686 1687 if (logio->io_parameter[7] || logio->io_parameter[8]) 1688 fcport->supported_classes |= FC_COS_CLASS2; 1689 if (logio->io_parameter[9] || logio->io_parameter[10]) 1690 fcport->supported_classes |= FC_COS_CLASS3; 1691 1692 goto logio_done; 1693 } 1694 1695 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1696 iop[1] = le32_to_cpu(logio->io_parameter[1]); 1697 lio->u.logio.iop[0] = iop[0]; 1698 lio->u.logio.iop[1] = iop[1]; 1699 switch (iop[0]) { 1700 case LSC_SCODE_PORTID_USED: 1701 data[0] = MBS_PORT_ID_USED; 1702 data[1] = LSW(iop[1]); 1703 break; 1704 case LSC_SCODE_NPORT_USED: 1705 data[0] = MBS_LOOP_ID_USED; 1706 break; 1707 case LSC_SCODE_CMD_FAILED: 1708 if (iop[1] == 0x0606) { 1709 /* 1710 * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, 1711 * Target side acked. 1712 */ 1713 data[0] = MBS_COMMAND_COMPLETE; 1714 goto logio_done; 1715 } 1716 data[0] = MBS_COMMAND_ERROR; 1717 break; 1718 case LSC_SCODE_NOXCB: 1719 vha->hw->exch_starvation++; 1720 if (vha->hw->exch_starvation > 5) { 1721 ql_log(ql_log_warn, vha, 0xd046, 1722 "Exchange starvation. Resetting RISC\n"); 1723 1724 vha->hw->exch_starvation = 0; 1725 1726 if (IS_P3P_TYPE(vha->hw)) 1727 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1728 else 1729 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1730 qla2xxx_wake_dpc(vha); 1731 } 1732 /* drop through */ 1733 default: 1734 data[0] = MBS_COMMAND_ERROR; 1735 break; 1736 } 1737 1738 ql_dbg(ql_dbg_async, fcport->vha, 0x5037, 1739 "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x " 1740 "iop0=%x iop1=%x.\n", type, fcport->port_name, 1741 sp->handle, fcport->d_id.b.domain, 1742 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1743 le16_to_cpu(logio->comp_status), 1744 le32_to_cpu(logio->io_parameter[0]), 1745 le32_to_cpu(logio->io_parameter[1])); 1746 1747 logio_done: 1748 sp->done(sp, 0); 1749 } 1750 1751 static void 1752 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 1753 { 1754 const char func[] = "TMF-IOCB"; 1755 const char *type; 1756 fc_port_t *fcport; 1757 srb_t *sp; 1758 struct srb_iocb *iocb; 1759 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1760 1761 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1762 if (!sp) 1763 return; 1764 1765 iocb = &sp->u.iocb_cmd; 1766 type = sp->name; 1767 fcport = sp->fcport; 1768 iocb->u.tmf.data = QLA_SUCCESS; 1769 1770 if (sts->entry_status) { 1771 ql_log(ql_log_warn, fcport->vha, 0x5038, 1772 "Async-%s error - hdl=%x entry-status(%x).\n", 1773 type, sp->handle, sts->entry_status); 1774 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1775 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 1776 ql_log(ql_log_warn, fcport->vha, 0x5039, 1777 "Async-%s error - hdl=%x completion status(%x).\n", 1778 type, sp->handle, sts->comp_status); 1779 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1780 } else if ((le16_to_cpu(sts->scsi_status) & 1781 SS_RESPONSE_INFO_LEN_VALID)) { 1782 if (le32_to_cpu(sts->rsp_data_len) < 4) { 1783 ql_log(ql_log_warn, fcport->vha, 0x503b, 1784 "Async-%s error - hdl=%x not enough response(%d).\n", 1785 type, sp->handle, sts->rsp_data_len); 1786 } else if (sts->data[3]) { 1787 ql_log(ql_log_warn, fcport->vha, 0x503c, 1788 "Async-%s error - hdl=%x response(%x).\n", 1789 type, sp->handle, sts->data[3]); 1790 iocb->u.tmf.data = QLA_FUNCTION_FAILED; 1791 } 1792 } 1793 1794 if (iocb->u.tmf.data != QLA_SUCCESS) 1795 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, 1796 (uint8_t *)sts, sizeof(*sts)); 1797 1798 sp->done(sp, 0); 1799 } 1800 1801 static void 1802 qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk) 1803 { 1804 const char func[] = "NVME-IOCB"; 1805 fc_port_t *fcport; 1806 srb_t *sp; 1807 struct srb_iocb *iocb; 1808 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1809 uint16_t state_flags; 1810 struct nvmefc_fcp_req *fd; 1811 uint16_t ret = 0; 1812 struct srb_iocb *nvme; 1813 1814 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1815 if (!sp) 1816 return; 1817 1818 iocb = &sp->u.iocb_cmd; 1819 fcport = sp->fcport; 1820 iocb->u.nvme.comp_status = le16_to_cpu(sts->comp_status); 1821 state_flags = le16_to_cpu(sts->state_flags); 1822 fd = iocb->u.nvme.desc; 1823 nvme = &sp->u.iocb_cmd; 1824 1825 if (unlikely(nvme->u.nvme.aen_op)) 1826 atomic_dec(&sp->vha->nvme_active_aen_cnt); 1827 1828 /* 1829 * State flags: Bit 6 and 0. 1830 * If 0 is set, we don't care about 6. 1831 * both cases resp was dma'd to host buffer 1832 * if both are 0, that is good path case. 1833 * if six is set and 0 is clear, we need to 1834 * copy resp data from status iocb to resp buffer. 1835 */ 1836 if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) { 1837 iocb->u.nvme.rsp_pyld_len = 0; 1838 } else if ((state_flags & SF_FCP_RSP_DMA)) { 1839 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1840 } else if (state_flags & SF_NVME_ERSP) { 1841 uint32_t *inbuf, *outbuf; 1842 uint16_t iter; 1843 1844 inbuf = (uint32_t *)&sts->nvme_ersp_data; 1845 outbuf = (uint32_t *)fd->rspaddr; 1846 iocb->u.nvme.rsp_pyld_len = le16_to_cpu(sts->nvme_rsp_pyld_len); 1847 iter = iocb->u.nvme.rsp_pyld_len >> 2; 1848 for (; iter; iter--) 1849 *outbuf++ = swab32(*inbuf++); 1850 } else { /* unhandled case */ 1851 ql_log(ql_log_warn, fcport->vha, 0x503a, 1852 "NVME-%s error. Unhandled state_flags of %x\n", 1853 sp->name, state_flags); 1854 } 1855 1856 fd->transferred_length = fd->payload_length - 1857 le32_to_cpu(sts->residual_len); 1858 1859 if (sts->entry_status) { 1860 ql_log(ql_log_warn, fcport->vha, 0x5038, 1861 "NVME-%s error - hdl=%x entry-status(%x).\n", 1862 sp->name, sp->handle, sts->entry_status); 1863 ret = QLA_FUNCTION_FAILED; 1864 } else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) { 1865 ql_log(ql_log_warn, fcport->vha, 0x5039, 1866 "NVME-%s error - hdl=%x completion status(%x) resid=%x ox_id=%x\n", 1867 sp->name, sp->handle, sts->comp_status, 1868 le32_to_cpu(sts->residual_len), sts->ox_id); 1869 ret = QLA_FUNCTION_FAILED; 1870 } 1871 sp->done(sp, ret); 1872 } 1873 1874 /** 1875 * qla2x00_process_response_queue() - Process response queue entries. 1876 * @ha: SCSI driver HA context 1877 */ 1878 void 1879 qla2x00_process_response_queue(struct rsp_que *rsp) 1880 { 1881 struct scsi_qla_host *vha; 1882 struct qla_hw_data *ha = rsp->hw; 1883 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1884 sts_entry_t *pkt; 1885 uint16_t handle_cnt; 1886 uint16_t cnt; 1887 1888 vha = pci_get_drvdata(ha->pdev); 1889 1890 if (!vha->flags.online) 1891 return; 1892 1893 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 1894 pkt = (sts_entry_t *)rsp->ring_ptr; 1895 1896 rsp->ring_index++; 1897 if (rsp->ring_index == rsp->length) { 1898 rsp->ring_index = 0; 1899 rsp->ring_ptr = rsp->ring; 1900 } else { 1901 rsp->ring_ptr++; 1902 } 1903 1904 if (pkt->entry_status != 0) { 1905 qla2x00_error_entry(vha, rsp, pkt); 1906 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 1907 wmb(); 1908 continue; 1909 } 1910 1911 switch (pkt->entry_type) { 1912 case STATUS_TYPE: 1913 qla2x00_status_entry(vha, rsp, pkt); 1914 break; 1915 case STATUS_TYPE_21: 1916 handle_cnt = ((sts21_entry_t *)pkt)->handle_count; 1917 for (cnt = 0; cnt < handle_cnt; cnt++) { 1918 qla2x00_process_completed_request(vha, rsp->req, 1919 ((sts21_entry_t *)pkt)->handle[cnt]); 1920 } 1921 break; 1922 case STATUS_TYPE_22: 1923 handle_cnt = ((sts22_entry_t *)pkt)->handle_count; 1924 for (cnt = 0; cnt < handle_cnt; cnt++) { 1925 qla2x00_process_completed_request(vha, rsp->req, 1926 ((sts22_entry_t *)pkt)->handle[cnt]); 1927 } 1928 break; 1929 case STATUS_CONT_TYPE: 1930 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 1931 break; 1932 case MBX_IOCB_TYPE: 1933 qla2x00_mbx_iocb_entry(vha, rsp->req, 1934 (struct mbx_entry *)pkt); 1935 break; 1936 case CT_IOCB_TYPE: 1937 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 1938 break; 1939 default: 1940 /* Type Not Supported. */ 1941 ql_log(ql_log_warn, vha, 0x504a, 1942 "Received unknown response pkt type %x " 1943 "entry status=%x.\n", 1944 pkt->entry_type, pkt->entry_status); 1945 break; 1946 } 1947 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 1948 wmb(); 1949 } 1950 1951 /* Adjust ring index */ 1952 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 1953 } 1954 1955 static inline void 1956 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 1957 uint32_t sense_len, struct rsp_que *rsp, int res) 1958 { 1959 struct scsi_qla_host *vha = sp->vha; 1960 struct scsi_cmnd *cp = GET_CMD_SP(sp); 1961 uint32_t track_sense_len; 1962 1963 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 1964 sense_len = SCSI_SENSE_BUFFERSIZE; 1965 1966 SET_CMD_SENSE_LEN(sp, sense_len); 1967 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 1968 track_sense_len = sense_len; 1969 1970 if (sense_len > par_sense_len) 1971 sense_len = par_sense_len; 1972 1973 memcpy(cp->sense_buffer, sense_data, sense_len); 1974 1975 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 1976 track_sense_len -= sense_len; 1977 SET_CMD_SENSE_LEN(sp, track_sense_len); 1978 1979 if (track_sense_len != 0) { 1980 rsp->status_srb = sp; 1981 cp->result = res; 1982 } 1983 1984 if (sense_len) { 1985 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 1986 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 1987 sp->vha->host_no, cp->device->id, cp->device->lun, 1988 cp); 1989 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 1990 cp->sense_buffer, sense_len); 1991 } 1992 } 1993 1994 struct scsi_dif_tuple { 1995 __be16 guard; /* Checksum */ 1996 __be16 app_tag; /* APPL identifier */ 1997 __be32 ref_tag; /* Target LBA or indirect LBA */ 1998 }; 1999 2000 /* 2001 * Checks the guard or meta-data for the type of error 2002 * detected by the HBA. In case of errors, we set the 2003 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 2004 * to indicate to the kernel that the HBA detected error. 2005 */ 2006 static inline int 2007 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 2008 { 2009 struct scsi_qla_host *vha = sp->vha; 2010 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 2011 uint8_t *ap = &sts24->data[12]; 2012 uint8_t *ep = &sts24->data[20]; 2013 uint32_t e_ref_tag, a_ref_tag; 2014 uint16_t e_app_tag, a_app_tag; 2015 uint16_t e_guard, a_guard; 2016 2017 /* 2018 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 2019 * would make guard field appear at offset 2 2020 */ 2021 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); 2022 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); 2023 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); 2024 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); 2025 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); 2026 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); 2027 2028 ql_dbg(ql_dbg_io, vha, 0x3023, 2029 "iocb(s) %p Returned STATUS.\n", sts24); 2030 2031 ql_dbg(ql_dbg_io, vha, 0x3024, 2032 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 2033 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 2034 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 2035 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 2036 a_app_tag, e_app_tag, a_guard, e_guard); 2037 2038 /* 2039 * Ignore sector if: 2040 * For type 3: ref & app tag is all 'f's 2041 * For type 0,1,2: app tag is all 'f's 2042 */ 2043 if ((a_app_tag == T10_PI_APP_ESCAPE) && 2044 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 2045 (a_ref_tag == T10_PI_REF_ESCAPE))) { 2046 uint32_t blocks_done, resid; 2047 sector_t lba_s = scsi_get_lba(cmd); 2048 2049 /* 2TB boundary case covered automatically with this */ 2050 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 2051 2052 resid = scsi_bufflen(cmd) - (blocks_done * 2053 cmd->device->sector_size); 2054 2055 scsi_set_resid(cmd, resid); 2056 cmd->result = DID_OK << 16; 2057 2058 /* Update protection tag */ 2059 if (scsi_prot_sg_count(cmd)) { 2060 uint32_t i, j = 0, k = 0, num_ent; 2061 struct scatterlist *sg; 2062 struct t10_pi_tuple *spt; 2063 2064 /* Patch the corresponding protection tags */ 2065 scsi_for_each_prot_sg(cmd, sg, 2066 scsi_prot_sg_count(cmd), i) { 2067 num_ent = sg_dma_len(sg) / 8; 2068 if (k + num_ent < blocks_done) { 2069 k += num_ent; 2070 continue; 2071 } 2072 j = blocks_done - k - 1; 2073 k = blocks_done; 2074 break; 2075 } 2076 2077 if (k != blocks_done) { 2078 ql_log(ql_log_warn, vha, 0x302f, 2079 "unexpected tag values tag:lba=%x:%llx)\n", 2080 e_ref_tag, (unsigned long long)lba_s); 2081 return 1; 2082 } 2083 2084 spt = page_address(sg_page(sg)) + sg->offset; 2085 spt += j; 2086 2087 spt->app_tag = T10_PI_APP_ESCAPE; 2088 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 2089 spt->ref_tag = T10_PI_REF_ESCAPE; 2090 } 2091 2092 return 0; 2093 } 2094 2095 /* check guard */ 2096 if (e_guard != a_guard) { 2097 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2098 0x10, 0x1); 2099 set_driver_byte(cmd, DRIVER_SENSE); 2100 set_host_byte(cmd, DID_ABORT); 2101 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 2102 return 1; 2103 } 2104 2105 /* check ref tag */ 2106 if (e_ref_tag != a_ref_tag) { 2107 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2108 0x10, 0x3); 2109 set_driver_byte(cmd, DRIVER_SENSE); 2110 set_host_byte(cmd, DID_ABORT); 2111 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 2112 return 1; 2113 } 2114 2115 /* check appl tag */ 2116 if (e_app_tag != a_app_tag) { 2117 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 2118 0x10, 0x2); 2119 set_driver_byte(cmd, DRIVER_SENSE); 2120 set_host_byte(cmd, DID_ABORT); 2121 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 2122 return 1; 2123 } 2124 2125 return 1; 2126 } 2127 2128 static void 2129 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 2130 struct req_que *req, uint32_t index) 2131 { 2132 struct qla_hw_data *ha = vha->hw; 2133 srb_t *sp; 2134 uint16_t comp_status; 2135 uint16_t scsi_status; 2136 uint16_t thread_id; 2137 uint32_t rval = EXT_STATUS_OK; 2138 struct bsg_job *bsg_job = NULL; 2139 struct fc_bsg_request *bsg_request; 2140 struct fc_bsg_reply *bsg_reply; 2141 sts_entry_t *sts; 2142 struct sts_entry_24xx *sts24; 2143 sts = (sts_entry_t *) pkt; 2144 sts24 = (struct sts_entry_24xx *) pkt; 2145 2146 /* Validate handle. */ 2147 if (index >= req->num_outstanding_cmds) { 2148 ql_log(ql_log_warn, vha, 0x70af, 2149 "Invalid SCSI completion handle 0x%x.\n", index); 2150 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2151 return; 2152 } 2153 2154 sp = req->outstanding_cmds[index]; 2155 if (!sp) { 2156 ql_log(ql_log_warn, vha, 0x70b0, 2157 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 2158 req->id, index); 2159 2160 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2161 return; 2162 } 2163 2164 /* Free outstanding command slot. */ 2165 req->outstanding_cmds[index] = NULL; 2166 bsg_job = sp->u.bsg_job; 2167 bsg_request = bsg_job->request; 2168 bsg_reply = bsg_job->reply; 2169 2170 if (IS_FWI2_CAPABLE(ha)) { 2171 comp_status = le16_to_cpu(sts24->comp_status); 2172 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2173 } else { 2174 comp_status = le16_to_cpu(sts->comp_status); 2175 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2176 } 2177 2178 thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 2179 switch (comp_status) { 2180 case CS_COMPLETE: 2181 if (scsi_status == 0) { 2182 bsg_reply->reply_payload_rcv_len = 2183 bsg_job->reply_payload.payload_len; 2184 vha->qla_stats.input_bytes += 2185 bsg_reply->reply_payload_rcv_len; 2186 vha->qla_stats.input_requests++; 2187 rval = EXT_STATUS_OK; 2188 } 2189 goto done; 2190 2191 case CS_DATA_OVERRUN: 2192 ql_dbg(ql_dbg_user, vha, 0x70b1, 2193 "Command completed with data overrun thread_id=%d\n", 2194 thread_id); 2195 rval = EXT_STATUS_DATA_OVERRUN; 2196 break; 2197 2198 case CS_DATA_UNDERRUN: 2199 ql_dbg(ql_dbg_user, vha, 0x70b2, 2200 "Command completed with data underrun thread_id=%d\n", 2201 thread_id); 2202 rval = EXT_STATUS_DATA_UNDERRUN; 2203 break; 2204 case CS_BIDIR_RD_OVERRUN: 2205 ql_dbg(ql_dbg_user, vha, 0x70b3, 2206 "Command completed with read data overrun thread_id=%d\n", 2207 thread_id); 2208 rval = EXT_STATUS_DATA_OVERRUN; 2209 break; 2210 2211 case CS_BIDIR_RD_WR_OVERRUN: 2212 ql_dbg(ql_dbg_user, vha, 0x70b4, 2213 "Command completed with read and write data overrun " 2214 "thread_id=%d\n", thread_id); 2215 rval = EXT_STATUS_DATA_OVERRUN; 2216 break; 2217 2218 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 2219 ql_dbg(ql_dbg_user, vha, 0x70b5, 2220 "Command completed with read data over and write data " 2221 "underrun thread_id=%d\n", thread_id); 2222 rval = EXT_STATUS_DATA_OVERRUN; 2223 break; 2224 2225 case CS_BIDIR_RD_UNDERRUN: 2226 ql_dbg(ql_dbg_user, vha, 0x70b6, 2227 "Command completed with read data underrun " 2228 "thread_id=%d\n", thread_id); 2229 rval = EXT_STATUS_DATA_UNDERRUN; 2230 break; 2231 2232 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 2233 ql_dbg(ql_dbg_user, vha, 0x70b7, 2234 "Command completed with read data under and write data " 2235 "overrun thread_id=%d\n", thread_id); 2236 rval = EXT_STATUS_DATA_UNDERRUN; 2237 break; 2238 2239 case CS_BIDIR_RD_WR_UNDERRUN: 2240 ql_dbg(ql_dbg_user, vha, 0x70b8, 2241 "Command completed with read and write data underrun " 2242 "thread_id=%d\n", thread_id); 2243 rval = EXT_STATUS_DATA_UNDERRUN; 2244 break; 2245 2246 case CS_BIDIR_DMA: 2247 ql_dbg(ql_dbg_user, vha, 0x70b9, 2248 "Command completed with data DMA error thread_id=%d\n", 2249 thread_id); 2250 rval = EXT_STATUS_DMA_ERR; 2251 break; 2252 2253 case CS_TIMEOUT: 2254 ql_dbg(ql_dbg_user, vha, 0x70ba, 2255 "Command completed with timeout thread_id=%d\n", 2256 thread_id); 2257 rval = EXT_STATUS_TIMEOUT; 2258 break; 2259 default: 2260 ql_dbg(ql_dbg_user, vha, 0x70bb, 2261 "Command completed with completion status=0x%x " 2262 "thread_id=%d\n", comp_status, thread_id); 2263 rval = EXT_STATUS_ERR; 2264 break; 2265 } 2266 bsg_reply->reply_payload_rcv_len = 0; 2267 2268 done: 2269 /* Return the vendor specific reply to API */ 2270 bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 2271 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 2272 /* Always return DID_OK, bsg will send the vendor specific response 2273 * in this case only */ 2274 sp->done(sp, DID_OK << 6); 2275 2276 } 2277 2278 /** 2279 * qla2x00_status_entry() - Process a Status IOCB entry. 2280 * @ha: SCSI driver HA context 2281 * @pkt: Entry pointer 2282 */ 2283 static void 2284 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2285 { 2286 srb_t *sp; 2287 fc_port_t *fcport; 2288 struct scsi_cmnd *cp; 2289 sts_entry_t *sts; 2290 struct sts_entry_24xx *sts24; 2291 uint16_t comp_status; 2292 uint16_t scsi_status; 2293 uint16_t ox_id; 2294 uint8_t lscsi_status; 2295 int32_t resid; 2296 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2297 fw_resid_len; 2298 uint8_t *rsp_info, *sense_data; 2299 struct qla_hw_data *ha = vha->hw; 2300 uint32_t handle; 2301 uint16_t que; 2302 struct req_que *req; 2303 int logit = 1; 2304 int res = 0; 2305 uint16_t state_flags = 0; 2306 uint16_t retry_delay = 0; 2307 uint8_t no_logout = 0; 2308 2309 sts = (sts_entry_t *) pkt; 2310 sts24 = (struct sts_entry_24xx *) pkt; 2311 if (IS_FWI2_CAPABLE(ha)) { 2312 comp_status = le16_to_cpu(sts24->comp_status); 2313 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 2314 state_flags = le16_to_cpu(sts24->state_flags); 2315 } else { 2316 comp_status = le16_to_cpu(sts->comp_status); 2317 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 2318 } 2319 handle = (uint32_t) LSW(sts->handle); 2320 que = MSW(sts->handle); 2321 req = ha->req_q_map[que]; 2322 2323 /* Check for invalid queue pointer */ 2324 if (req == NULL || 2325 que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) { 2326 ql_dbg(ql_dbg_io, vha, 0x3059, 2327 "Invalid status handle (0x%x): Bad req pointer. req=%p, " 2328 "que=%u.\n", sts->handle, req, que); 2329 return; 2330 } 2331 2332 /* Validate handle. */ 2333 if (handle < req->num_outstanding_cmds) { 2334 sp = req->outstanding_cmds[handle]; 2335 if (!sp) { 2336 ql_dbg(ql_dbg_io, vha, 0x3075, 2337 "%s(%ld): Already returned command for status handle (0x%x).\n", 2338 __func__, vha->host_no, sts->handle); 2339 return; 2340 } 2341 } else { 2342 ql_dbg(ql_dbg_io, vha, 0x3017, 2343 "Invalid status handle, out of range (0x%x).\n", 2344 sts->handle); 2345 2346 if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 2347 if (IS_P3P_TYPE(ha)) 2348 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2349 else 2350 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2351 qla2xxx_wake_dpc(vha); 2352 } 2353 return; 2354 } 2355 2356 if (sp->cmd_type != TYPE_SRB) { 2357 req->outstanding_cmds[handle] = NULL; 2358 ql_dbg(ql_dbg_io, vha, 0x3015, 2359 "Unknown sp->cmd_type %x %p).\n", 2360 sp->cmd_type, sp); 2361 return; 2362 } 2363 2364 /* NVME completion. */ 2365 if (sp->type == SRB_NVME_CMD) { 2366 qla24xx_nvme_iocb_entry(vha, req, pkt); 2367 return; 2368 } 2369 2370 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 2371 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 2372 return; 2373 } 2374 2375 /* Task Management completion. */ 2376 if (sp->type == SRB_TM_CMD) { 2377 qla24xx_tm_iocb_entry(vha, req, pkt); 2378 return; 2379 } 2380 2381 /* Fast path completion. */ 2382 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2383 qla2x00_process_completed_request(vha, req, handle); 2384 2385 return; 2386 } 2387 2388 req->outstanding_cmds[handle] = NULL; 2389 cp = GET_CMD_SP(sp); 2390 if (cp == NULL) { 2391 ql_dbg(ql_dbg_io, vha, 0x3018, 2392 "Command already returned (0x%x/%p).\n", 2393 sts->handle, sp); 2394 2395 return; 2396 } 2397 2398 lscsi_status = scsi_status & STATUS_MASK; 2399 2400 fcport = sp->fcport; 2401 2402 ox_id = 0; 2403 sense_len = par_sense_len = rsp_info_len = resid_len = 2404 fw_resid_len = 0; 2405 if (IS_FWI2_CAPABLE(ha)) { 2406 if (scsi_status & SS_SENSE_LEN_VALID) 2407 sense_len = le32_to_cpu(sts24->sense_len); 2408 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2409 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 2410 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 2411 resid_len = le32_to_cpu(sts24->rsp_residual_count); 2412 if (comp_status == CS_DATA_UNDERRUN) 2413 fw_resid_len = le32_to_cpu(sts24->residual_len); 2414 rsp_info = sts24->data; 2415 sense_data = sts24->data; 2416 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 2417 ox_id = le16_to_cpu(sts24->ox_id); 2418 par_sense_len = sizeof(sts24->data); 2419 /* Valid values of the retry delay timer are 0x1-0xffef */ 2420 if (sts24->retry_delay > 0 && sts24->retry_delay < 0xfff1) 2421 retry_delay = sts24->retry_delay; 2422 } else { 2423 if (scsi_status & SS_SENSE_LEN_VALID) 2424 sense_len = le16_to_cpu(sts->req_sense_length); 2425 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2426 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 2427 resid_len = le32_to_cpu(sts->residual_length); 2428 rsp_info = sts->rsp_info; 2429 sense_data = sts->req_sense_data; 2430 par_sense_len = sizeof(sts->req_sense_data); 2431 } 2432 2433 /* Check for any FCP transport errors. */ 2434 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 2435 /* Sense data lies beyond any FCP RESPONSE data. */ 2436 if (IS_FWI2_CAPABLE(ha)) { 2437 sense_data += rsp_info_len; 2438 par_sense_len -= rsp_info_len; 2439 } 2440 if (rsp_info_len > 3 && rsp_info[3]) { 2441 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 2442 "FCP I/O protocol failure (0x%x/0x%x).\n", 2443 rsp_info_len, rsp_info[3]); 2444 2445 res = DID_BUS_BUSY << 16; 2446 goto out; 2447 } 2448 } 2449 2450 /* Check for overrun. */ 2451 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2452 scsi_status & SS_RESIDUAL_OVER) 2453 comp_status = CS_DATA_OVERRUN; 2454 2455 /* 2456 * Check retry_delay_timer value if we receive a busy or 2457 * queue full. 2458 */ 2459 if (lscsi_status == SAM_STAT_TASK_SET_FULL || 2460 lscsi_status == SAM_STAT_BUSY) 2461 qla2x00_set_retry_delay_timestamp(fcport, retry_delay); 2462 2463 /* 2464 * Based on Host and scsi status generate status code for Linux 2465 */ 2466 switch (comp_status) { 2467 case CS_COMPLETE: 2468 case CS_QUEUE_FULL: 2469 if (scsi_status == 0) { 2470 res = DID_OK << 16; 2471 break; 2472 } 2473 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2474 resid = resid_len; 2475 scsi_set_resid(cp, resid); 2476 2477 if (!lscsi_status && 2478 ((unsigned)(scsi_bufflen(cp) - resid) < 2479 cp->underflow)) { 2480 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2481 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2482 resid, scsi_bufflen(cp)); 2483 2484 res = DID_ERROR << 16; 2485 break; 2486 } 2487 } 2488 res = DID_OK << 16 | lscsi_status; 2489 2490 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2491 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2492 "QUEUE FULL detected.\n"); 2493 break; 2494 } 2495 logit = 0; 2496 if (lscsi_status != SS_CHECK_CONDITION) 2497 break; 2498 2499 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2500 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2501 break; 2502 2503 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2504 rsp, res); 2505 break; 2506 2507 case CS_DATA_UNDERRUN: 2508 /* Use F/W calculated residual length. */ 2509 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2510 scsi_set_resid(cp, resid); 2511 if (scsi_status & SS_RESIDUAL_UNDER) { 2512 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2513 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2514 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2515 resid, scsi_bufflen(cp)); 2516 2517 res = DID_ERROR << 16 | lscsi_status; 2518 goto check_scsi_status; 2519 } 2520 2521 if (!lscsi_status && 2522 ((unsigned)(scsi_bufflen(cp) - resid) < 2523 cp->underflow)) { 2524 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2525 "Mid-layer underflow detected (0x%x of 0x%x bytes).\n", 2526 resid, scsi_bufflen(cp)); 2527 2528 res = DID_ERROR << 16; 2529 break; 2530 } 2531 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2532 lscsi_status != SAM_STAT_BUSY) { 2533 /* 2534 * scsi status of task set and busy are considered to be 2535 * task not completed. 2536 */ 2537 2538 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2539 "Dropped frame(s) detected (0x%x of 0x%x bytes).\n", 2540 resid, scsi_bufflen(cp)); 2541 2542 res = DID_ERROR << 16 | lscsi_status; 2543 goto check_scsi_status; 2544 } else { 2545 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2546 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2547 scsi_status, lscsi_status); 2548 } 2549 2550 res = DID_OK << 16 | lscsi_status; 2551 logit = 0; 2552 2553 check_scsi_status: 2554 /* 2555 * Check to see if SCSI Status is non zero. If so report SCSI 2556 * Status. 2557 */ 2558 if (lscsi_status != 0) { 2559 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2560 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2561 "QUEUE FULL detected.\n"); 2562 logit = 1; 2563 break; 2564 } 2565 if (lscsi_status != SS_CHECK_CONDITION) 2566 break; 2567 2568 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2569 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2570 break; 2571 2572 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2573 sense_len, rsp, res); 2574 } 2575 break; 2576 2577 case CS_PORT_LOGGED_OUT: 2578 no_logout = 1; 2579 case CS_PORT_CONFIG_CHG: 2580 case CS_PORT_BUSY: 2581 case CS_INCOMPLETE: 2582 case CS_PORT_UNAVAILABLE: 2583 case CS_TIMEOUT: 2584 case CS_RESET: 2585 2586 /* 2587 * We are going to have the fc class block the rport 2588 * while we try to recover so instruct the mid layer 2589 * to requeue until the class decides how to handle this. 2590 */ 2591 res = DID_TRANSPORT_DISRUPTED << 16; 2592 2593 if (comp_status == CS_TIMEOUT) { 2594 if (IS_FWI2_CAPABLE(ha)) 2595 break; 2596 else if ((le16_to_cpu(sts->status_flags) & 2597 SF_LOGOUT_SENT) == 0) 2598 break; 2599 } 2600 2601 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2602 ql_dbg(ql_dbg_disc, fcport->vha, 0x3021, 2603 "Port to be marked lost on fcport=%02x%02x%02x, current " 2604 "port state= %s comp_status %x.\n", fcport->d_id.b.domain, 2605 fcport->d_id.b.area, fcport->d_id.b.al_pa, 2606 port_state_str[atomic_read(&fcport->state)], 2607 comp_status); 2608 2609 if (no_logout) 2610 fcport->logout_on_delete = 0; 2611 2612 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 2613 qlt_schedule_sess_for_deletion_lock(fcport); 2614 } 2615 2616 break; 2617 2618 case CS_ABORTED: 2619 res = DID_RESET << 16; 2620 break; 2621 2622 case CS_DIF_ERROR: 2623 logit = qla2x00_handle_dif_error(sp, sts24); 2624 res = cp->result; 2625 break; 2626 2627 case CS_TRANSPORT: 2628 res = DID_ERROR << 16; 2629 2630 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2631 break; 2632 2633 if (state_flags & BIT_4) 2634 scmd_printk(KERN_WARNING, cp, 2635 "Unsupported device '%s' found.\n", 2636 cp->device->vendor); 2637 break; 2638 2639 default: 2640 res = DID_ERROR << 16; 2641 break; 2642 } 2643 2644 out: 2645 if (logit) 2646 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 2647 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 2648 "portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x " 2649 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n", 2650 comp_status, scsi_status, res, vha->host_no, 2651 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 2652 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 2653 cp->cmnd, scsi_bufflen(cp), rsp_info_len, 2654 resid_len, fw_resid_len, sp, cp); 2655 2656 if (rsp->status_srb == NULL) 2657 sp->done(sp, res); 2658 } 2659 2660 /** 2661 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 2662 * @ha: SCSI driver HA context 2663 * @pkt: Entry pointer 2664 * 2665 * Extended sense data. 2666 */ 2667 static void 2668 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2669 { 2670 uint8_t sense_sz = 0; 2671 struct qla_hw_data *ha = rsp->hw; 2672 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2673 srb_t *sp = rsp->status_srb; 2674 struct scsi_cmnd *cp; 2675 uint32_t sense_len; 2676 uint8_t *sense_ptr; 2677 2678 if (!sp || !GET_CMD_SENSE_LEN(sp)) 2679 return; 2680 2681 sense_len = GET_CMD_SENSE_LEN(sp); 2682 sense_ptr = GET_CMD_SENSE_PTR(sp); 2683 2684 cp = GET_CMD_SP(sp); 2685 if (cp == NULL) { 2686 ql_log(ql_log_warn, vha, 0x3025, 2687 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2688 2689 rsp->status_srb = NULL; 2690 return; 2691 } 2692 2693 if (sense_len > sizeof(pkt->data)) 2694 sense_sz = sizeof(pkt->data); 2695 else 2696 sense_sz = sense_len; 2697 2698 /* Move sense data. */ 2699 if (IS_FWI2_CAPABLE(ha)) 2700 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 2701 memcpy(sense_ptr, pkt->data, sense_sz); 2702 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 2703 sense_ptr, sense_sz); 2704 2705 sense_len -= sense_sz; 2706 sense_ptr += sense_sz; 2707 2708 SET_CMD_SENSE_PTR(sp, sense_ptr); 2709 SET_CMD_SENSE_LEN(sp, sense_len); 2710 2711 /* Place command on done queue. */ 2712 if (sense_len == 0) { 2713 rsp->status_srb = NULL; 2714 sp->done(sp, cp->result); 2715 } 2716 } 2717 2718 /** 2719 * qla2x00_error_entry() - Process an error entry. 2720 * @ha: SCSI driver HA context 2721 * @pkt: Entry pointer 2722 * return : 1=allow further error analysis. 0=no additional error analysis. 2723 */ 2724 static int 2725 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 2726 { 2727 srb_t *sp; 2728 struct qla_hw_data *ha = vha->hw; 2729 const char func[] = "ERROR-IOCB"; 2730 uint16_t que = MSW(pkt->handle); 2731 struct req_que *req = NULL; 2732 int res = DID_ERROR << 16; 2733 2734 ql_dbg(ql_dbg_async, vha, 0x502a, 2735 "iocb type %xh with error status %xh, handle %xh, rspq id %d\n", 2736 pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id); 2737 2738 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 2739 goto fatal; 2740 2741 req = ha->req_q_map[que]; 2742 2743 if (pkt->entry_status & RF_BUSY) 2744 res = DID_BUS_BUSY << 16; 2745 2746 if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE) 2747 return 0; 2748 2749 switch (pkt->entry_type) { 2750 case NOTIFY_ACK_TYPE: 2751 case STATUS_TYPE: 2752 case STATUS_CONT_TYPE: 2753 case LOGINOUT_PORT_IOCB_TYPE: 2754 case CT_IOCB_TYPE: 2755 case ELS_IOCB_TYPE: 2756 case ABORT_IOCB_TYPE: 2757 case MBX_IOCB_TYPE: 2758 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2759 if (sp) { 2760 sp->done(sp, res); 2761 return 0; 2762 } 2763 break; 2764 2765 case ABTS_RESP_24XX: 2766 case CTIO_TYPE7: 2767 case CTIO_CRC2: 2768 default: 2769 return 1; 2770 } 2771 fatal: 2772 ql_log(ql_log_warn, vha, 0x5030, 2773 "Error entry - invalid handle/queue (%04x).\n", que); 2774 return 0; 2775 } 2776 2777 /** 2778 * qla24xx_mbx_completion() - Process mailbox command completions. 2779 * @ha: SCSI driver HA context 2780 * @mb0: Mailbox0 register 2781 */ 2782 static void 2783 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2784 { 2785 uint16_t cnt; 2786 uint32_t mboxes; 2787 uint16_t __iomem *wptr; 2788 struct qla_hw_data *ha = vha->hw; 2789 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2790 2791 /* Read all mbox registers? */ 2792 mboxes = (1 << ha->mbx_count) - 1; 2793 if (!ha->mcp) 2794 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 2795 else 2796 mboxes = ha->mcp->in_mb; 2797 2798 /* Load return mailbox registers. */ 2799 ha->flags.mbox_int = 1; 2800 ha->mailbox_out[0] = mb0; 2801 mboxes >>= 1; 2802 wptr = (uint16_t __iomem *)®->mailbox1; 2803 2804 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2805 if (mboxes & BIT_0) 2806 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2807 2808 mboxes >>= 1; 2809 wptr++; 2810 } 2811 } 2812 2813 static void 2814 qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2815 struct abort_entry_24xx *pkt) 2816 { 2817 const char func[] = "ABT_IOCB"; 2818 srb_t *sp; 2819 struct srb_iocb *abt; 2820 2821 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2822 if (!sp) 2823 return; 2824 2825 abt = &sp->u.iocb_cmd; 2826 abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle); 2827 sp->done(sp, 0); 2828 } 2829 2830 void qla24xx_nvme_ls4_iocb(scsi_qla_host_t *vha, struct pt_ls4_request *pkt, 2831 struct req_que *req) 2832 { 2833 srb_t *sp; 2834 const char func[] = "LS4_IOCB"; 2835 uint16_t comp_status; 2836 2837 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2838 if (!sp) 2839 return; 2840 2841 comp_status = le16_to_cpu(pkt->status); 2842 sp->done(sp, comp_status); 2843 } 2844 2845 /** 2846 * qla24xx_process_response_queue() - Process response queue entries. 2847 * @ha: SCSI driver HA context 2848 */ 2849 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 2850 struct rsp_que *rsp) 2851 { 2852 struct sts_entry_24xx *pkt; 2853 struct qla_hw_data *ha = vha->hw; 2854 2855 if (!ha->flags.fw_started) 2856 return; 2857 2858 if (rsp->qpair->cpuid != smp_processor_id()) 2859 qla_cpu_update(rsp->qpair, smp_processor_id()); 2860 2861 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2862 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 2863 2864 rsp->ring_index++; 2865 if (rsp->ring_index == rsp->length) { 2866 rsp->ring_index = 0; 2867 rsp->ring_ptr = rsp->ring; 2868 } else { 2869 rsp->ring_ptr++; 2870 } 2871 2872 if (pkt->entry_status != 0) { 2873 if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt)) 2874 goto process_err; 2875 2876 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2877 wmb(); 2878 continue; 2879 } 2880 process_err: 2881 2882 switch (pkt->entry_type) { 2883 case STATUS_TYPE: 2884 qla2x00_status_entry(vha, rsp, pkt); 2885 break; 2886 case STATUS_CONT_TYPE: 2887 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2888 break; 2889 case VP_RPT_ID_IOCB_TYPE: 2890 qla24xx_report_id_acquisition(vha, 2891 (struct vp_rpt_id_entry_24xx *)pkt); 2892 break; 2893 case LOGINOUT_PORT_IOCB_TYPE: 2894 qla24xx_logio_entry(vha, rsp->req, 2895 (struct logio_entry_24xx *)pkt); 2896 break; 2897 case CT_IOCB_TYPE: 2898 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2899 break; 2900 case ELS_IOCB_TYPE: 2901 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 2902 break; 2903 case ABTS_RECV_24XX: 2904 if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 2905 /* ensure that the ATIO queue is empty */ 2906 qlt_handle_abts_recv(vha, rsp, 2907 (response_t *)pkt); 2908 break; 2909 } else { 2910 /* drop through */ 2911 qlt_24xx_process_atio_queue(vha, 1); 2912 } 2913 case ABTS_RESP_24XX: 2914 case CTIO_TYPE7: 2915 case CTIO_CRC2: 2916 qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt); 2917 break; 2918 case PT_LS4_REQUEST: 2919 qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt, 2920 rsp->req); 2921 break; 2922 case NOTIFY_ACK_TYPE: 2923 if (pkt->handle == QLA_TGT_SKIP_HANDLE) 2924 qlt_response_pkt_all_vps(vha, rsp, 2925 (response_t *)pkt); 2926 else 2927 qla24xxx_nack_iocb_entry(vha, rsp->req, 2928 (struct nack_to_isp *)pkt); 2929 break; 2930 case MARKER_TYPE: 2931 /* Do nothing in this case, this check is to prevent it 2932 * from falling into default case 2933 */ 2934 break; 2935 case ABORT_IOCB_TYPE: 2936 qla24xx_abort_iocb_entry(vha, rsp->req, 2937 (struct abort_entry_24xx *)pkt); 2938 break; 2939 case MBX_IOCB_TYPE: 2940 qla24xx_mbx_iocb_entry(vha, rsp->req, 2941 (struct mbx_24xx_entry *)pkt); 2942 break; 2943 default: 2944 /* Type Not Supported. */ 2945 ql_dbg(ql_dbg_async, vha, 0x5042, 2946 "Received unknown response pkt type %x " 2947 "entry status=%x.\n", 2948 pkt->entry_type, pkt->entry_status); 2949 break; 2950 } 2951 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2952 wmb(); 2953 } 2954 2955 /* Adjust ring index */ 2956 if (IS_P3P_TYPE(ha)) { 2957 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 2958 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 2959 } else { 2960 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 2961 } 2962 } 2963 2964 static void 2965 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 2966 { 2967 int rval; 2968 uint32_t cnt; 2969 struct qla_hw_data *ha = vha->hw; 2970 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2971 2972 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 2973 !IS_QLA27XX(ha)) 2974 return; 2975 2976 rval = QLA_SUCCESS; 2977 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 2978 RD_REG_DWORD(®->iobase_addr); 2979 WRT_REG_DWORD(®->iobase_window, 0x0001); 2980 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 2981 rval == QLA_SUCCESS; cnt--) { 2982 if (cnt) { 2983 WRT_REG_DWORD(®->iobase_window, 0x0001); 2984 udelay(10); 2985 } else 2986 rval = QLA_FUNCTION_TIMEOUT; 2987 } 2988 if (rval == QLA_SUCCESS) 2989 goto next_test; 2990 2991 rval = QLA_SUCCESS; 2992 WRT_REG_DWORD(®->iobase_window, 0x0003); 2993 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 2994 rval == QLA_SUCCESS; cnt--) { 2995 if (cnt) { 2996 WRT_REG_DWORD(®->iobase_window, 0x0003); 2997 udelay(10); 2998 } else 2999 rval = QLA_FUNCTION_TIMEOUT; 3000 } 3001 if (rval != QLA_SUCCESS) 3002 goto done; 3003 3004 next_test: 3005 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 3006 ql_log(ql_log_info, vha, 0x504c, 3007 "Additional code -- 0x55AA.\n"); 3008 3009 done: 3010 WRT_REG_DWORD(®->iobase_window, 0x0000); 3011 RD_REG_DWORD(®->iobase_window); 3012 } 3013 3014 /** 3015 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 3016 * @irq: 3017 * @dev_id: SCSI driver HA context 3018 * 3019 * Called by system whenever the host adapter generates an interrupt. 3020 * 3021 * Returns handled flag. 3022 */ 3023 irqreturn_t 3024 qla24xx_intr_handler(int irq, void *dev_id) 3025 { 3026 scsi_qla_host_t *vha; 3027 struct qla_hw_data *ha; 3028 struct device_reg_24xx __iomem *reg; 3029 int status; 3030 unsigned long iter; 3031 uint32_t stat; 3032 uint32_t hccr; 3033 uint16_t mb[8]; 3034 struct rsp_que *rsp; 3035 unsigned long flags; 3036 3037 rsp = (struct rsp_que *) dev_id; 3038 if (!rsp) { 3039 ql_log(ql_log_info, NULL, 0x5059, 3040 "%s: NULL response queue pointer.\n", __func__); 3041 return IRQ_NONE; 3042 } 3043 3044 ha = rsp->hw; 3045 reg = &ha->iobase->isp24; 3046 status = 0; 3047 3048 if (unlikely(pci_channel_offline(ha->pdev))) 3049 return IRQ_HANDLED; 3050 3051 spin_lock_irqsave(&ha->hardware_lock, flags); 3052 vha = pci_get_drvdata(ha->pdev); 3053 for (iter = 50; iter--; ) { 3054 stat = RD_REG_DWORD(®->host_status); 3055 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3056 break; 3057 if (stat & HSRX_RISC_PAUSED) { 3058 if (unlikely(pci_channel_offline(ha->pdev))) 3059 break; 3060 3061 hccr = RD_REG_DWORD(®->hccr); 3062 3063 ql_log(ql_log_warn, vha, 0x504b, 3064 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3065 hccr); 3066 3067 qla2xxx_check_risc_status(vha); 3068 3069 ha->isp_ops->fw_dump(vha, 1); 3070 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3071 break; 3072 } else if ((stat & HSRX_RISC_INT) == 0) 3073 break; 3074 3075 switch (stat & 0xff) { 3076 case INTR_ROM_MB_SUCCESS: 3077 case INTR_ROM_MB_FAILED: 3078 case INTR_MB_SUCCESS: 3079 case INTR_MB_FAILED: 3080 qla24xx_mbx_completion(vha, MSW(stat)); 3081 status |= MBX_INTERRUPT; 3082 3083 break; 3084 case INTR_ASYNC_EVENT: 3085 mb[0] = MSW(stat); 3086 mb[1] = RD_REG_WORD(®->mailbox1); 3087 mb[2] = RD_REG_WORD(®->mailbox2); 3088 mb[3] = RD_REG_WORD(®->mailbox3); 3089 qla2x00_async_event(vha, rsp, mb); 3090 break; 3091 case INTR_RSP_QUE_UPDATE: 3092 case INTR_RSP_QUE_UPDATE_83XX: 3093 qla24xx_process_response_queue(vha, rsp); 3094 break; 3095 case INTR_ATIO_QUE_UPDATE:{ 3096 unsigned long flags2; 3097 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 3098 qlt_24xx_process_atio_queue(vha, 1); 3099 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 3100 break; 3101 } 3102 case INTR_ATIO_RSP_QUE_UPDATE: { 3103 unsigned long flags2; 3104 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 3105 qlt_24xx_process_atio_queue(vha, 1); 3106 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 3107 3108 qla24xx_process_response_queue(vha, rsp); 3109 break; 3110 } 3111 default: 3112 ql_dbg(ql_dbg_async, vha, 0x504f, 3113 "Unrecognized interrupt type (%d).\n", stat * 0xff); 3114 break; 3115 } 3116 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3117 RD_REG_DWORD_RELAXED(®->hccr); 3118 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 3119 ndelay(3500); 3120 } 3121 qla2x00_handle_mbx_completion(ha, status); 3122 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3123 3124 return IRQ_HANDLED; 3125 } 3126 3127 static irqreturn_t 3128 qla24xx_msix_rsp_q(int irq, void *dev_id) 3129 { 3130 struct qla_hw_data *ha; 3131 struct rsp_que *rsp; 3132 struct device_reg_24xx __iomem *reg; 3133 struct scsi_qla_host *vha; 3134 unsigned long flags; 3135 uint32_t stat = 0; 3136 3137 rsp = (struct rsp_que *) dev_id; 3138 if (!rsp) { 3139 ql_log(ql_log_info, NULL, 0x505a, 3140 "%s: NULL response queue pointer.\n", __func__); 3141 return IRQ_NONE; 3142 } 3143 ha = rsp->hw; 3144 reg = &ha->iobase->isp24; 3145 3146 spin_lock_irqsave(&ha->hardware_lock, flags); 3147 3148 vha = pci_get_drvdata(ha->pdev); 3149 /* 3150 * Use host_status register to check to PCI disconnection before we 3151 * we process the response queue. 3152 */ 3153 stat = RD_REG_DWORD(®->host_status); 3154 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3155 goto out; 3156 qla24xx_process_response_queue(vha, rsp); 3157 if (!ha->flags.disable_msix_handshake) { 3158 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3159 RD_REG_DWORD_RELAXED(®->hccr); 3160 } 3161 out: 3162 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3163 3164 return IRQ_HANDLED; 3165 } 3166 3167 static irqreturn_t 3168 qla24xx_msix_default(int irq, void *dev_id) 3169 { 3170 scsi_qla_host_t *vha; 3171 struct qla_hw_data *ha; 3172 struct rsp_que *rsp; 3173 struct device_reg_24xx __iomem *reg; 3174 int status; 3175 uint32_t stat; 3176 uint32_t hccr; 3177 uint16_t mb[8]; 3178 unsigned long flags; 3179 3180 rsp = (struct rsp_que *) dev_id; 3181 if (!rsp) { 3182 ql_log(ql_log_info, NULL, 0x505c, 3183 "%s: NULL response queue pointer.\n", __func__); 3184 return IRQ_NONE; 3185 } 3186 ha = rsp->hw; 3187 reg = &ha->iobase->isp24; 3188 status = 0; 3189 3190 spin_lock_irqsave(&ha->hardware_lock, flags); 3191 vha = pci_get_drvdata(ha->pdev); 3192 do { 3193 stat = RD_REG_DWORD(®->host_status); 3194 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 3195 break; 3196 if (stat & HSRX_RISC_PAUSED) { 3197 if (unlikely(pci_channel_offline(ha->pdev))) 3198 break; 3199 3200 hccr = RD_REG_DWORD(®->hccr); 3201 3202 ql_log(ql_log_info, vha, 0x5050, 3203 "RISC paused -- HCCR=%x, Dumping firmware.\n", 3204 hccr); 3205 3206 qla2xxx_check_risc_status(vha); 3207 3208 ha->isp_ops->fw_dump(vha, 1); 3209 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3210 break; 3211 } else if ((stat & HSRX_RISC_INT) == 0) 3212 break; 3213 3214 switch (stat & 0xff) { 3215 case INTR_ROM_MB_SUCCESS: 3216 case INTR_ROM_MB_FAILED: 3217 case INTR_MB_SUCCESS: 3218 case INTR_MB_FAILED: 3219 qla24xx_mbx_completion(vha, MSW(stat)); 3220 status |= MBX_INTERRUPT; 3221 3222 break; 3223 case INTR_ASYNC_EVENT: 3224 mb[0] = MSW(stat); 3225 mb[1] = RD_REG_WORD(®->mailbox1); 3226 mb[2] = RD_REG_WORD(®->mailbox2); 3227 mb[3] = RD_REG_WORD(®->mailbox3); 3228 qla2x00_async_event(vha, rsp, mb); 3229 break; 3230 case INTR_RSP_QUE_UPDATE: 3231 case INTR_RSP_QUE_UPDATE_83XX: 3232 qla24xx_process_response_queue(vha, rsp); 3233 break; 3234 case INTR_ATIO_QUE_UPDATE:{ 3235 unsigned long flags2; 3236 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 3237 qlt_24xx_process_atio_queue(vha, 1); 3238 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 3239 break; 3240 } 3241 case INTR_ATIO_RSP_QUE_UPDATE: { 3242 unsigned long flags2; 3243 spin_lock_irqsave(&ha->tgt.atio_lock, flags2); 3244 qlt_24xx_process_atio_queue(vha, 1); 3245 spin_unlock_irqrestore(&ha->tgt.atio_lock, flags2); 3246 3247 qla24xx_process_response_queue(vha, rsp); 3248 break; 3249 } 3250 default: 3251 ql_dbg(ql_dbg_async, vha, 0x5051, 3252 "Unrecognized interrupt type (%d).\n", stat & 0xff); 3253 break; 3254 } 3255 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3256 } while (0); 3257 qla2x00_handle_mbx_completion(ha, status); 3258 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3259 3260 return IRQ_HANDLED; 3261 } 3262 3263 irqreturn_t 3264 qla2xxx_msix_rsp_q(int irq, void *dev_id) 3265 { 3266 struct qla_hw_data *ha; 3267 struct qla_qpair *qpair; 3268 struct device_reg_24xx __iomem *reg; 3269 unsigned long flags; 3270 3271 qpair = dev_id; 3272 if (!qpair) { 3273 ql_log(ql_log_info, NULL, 0x505b, 3274 "%s: NULL response queue pointer.\n", __func__); 3275 return IRQ_NONE; 3276 } 3277 ha = qpair->hw; 3278 3279 /* Clear the interrupt, if enabled, for this response queue */ 3280 if (unlikely(!ha->flags.disable_msix_handshake)) { 3281 reg = &ha->iobase->isp24; 3282 spin_lock_irqsave(&ha->hardware_lock, flags); 3283 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 3284 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3285 } 3286 3287 queue_work(ha->wq, &qpair->q_work); 3288 3289 return IRQ_HANDLED; 3290 } 3291 3292 /* Interrupt handling helpers. */ 3293 3294 struct qla_init_msix_entry { 3295 const char *name; 3296 irq_handler_t handler; 3297 }; 3298 3299 static const struct qla_init_msix_entry msix_entries[] = { 3300 { "default", qla24xx_msix_default }, 3301 { "rsp_q", qla24xx_msix_rsp_q }, 3302 { "atio_q", qla83xx_msix_atio_q }, 3303 { "qpair_multiq", qla2xxx_msix_rsp_q }, 3304 }; 3305 3306 static const struct qla_init_msix_entry qla82xx_msix_entries[] = { 3307 { "qla2xxx (default)", qla82xx_msix_default }, 3308 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 3309 }; 3310 3311 static int 3312 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 3313 { 3314 int i, ret; 3315 struct qla_msix_entry *qentry; 3316 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3317 int min_vecs = QLA_BASE_VECTORS; 3318 struct irq_affinity desc = { 3319 .pre_vectors = QLA_BASE_VECTORS, 3320 }; 3321 3322 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) { 3323 desc.pre_vectors++; 3324 min_vecs++; 3325 } 3326 3327 if (USER_CTRL_IRQ(ha)) { 3328 /* user wants to control IRQ setting for target mode */ 3329 ret = pci_alloc_irq_vectors(ha->pdev, min_vecs, 3330 ha->msix_count, PCI_IRQ_MSIX); 3331 } else 3332 ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs, 3333 ha->msix_count, PCI_IRQ_MSIX | PCI_IRQ_AFFINITY, 3334 &desc); 3335 3336 if (ret < 0) { 3337 ql_log(ql_log_fatal, vha, 0x00c7, 3338 "MSI-X: Failed to enable support, " 3339 "giving up -- %d/%d.\n", 3340 ha->msix_count, ret); 3341 goto msix_out; 3342 } else if (ret < ha->msix_count) { 3343 ql_log(ql_log_warn, vha, 0x00c6, 3344 "MSI-X: Failed to enable support " 3345 "with %d vectors, using %d vectors.\n", 3346 ha->msix_count, ret); 3347 ha->msix_count = ret; 3348 /* Recalculate queue values */ 3349 if (ha->mqiobase && ql2xmqsupport) { 3350 ha->max_req_queues = ha->msix_count - 1; 3351 3352 /* ATIOQ needs 1 vector. That's 1 less QPair */ 3353 if (QLA_TGT_MODE_ENABLED()) 3354 ha->max_req_queues--; 3355 3356 ha->max_rsp_queues = ha->max_req_queues; 3357 3358 ha->max_qpairs = ha->max_req_queues - 1; 3359 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190, 3360 "Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs); 3361 } 3362 } 3363 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * 3364 ha->msix_count, GFP_KERNEL); 3365 if (!ha->msix_entries) { 3366 ql_log(ql_log_fatal, vha, 0x00c8, 3367 "Failed to allocate memory for ha->msix_entries.\n"); 3368 ret = -ENOMEM; 3369 goto msix_out; 3370 } 3371 ha->flags.msix_enabled = 1; 3372 3373 for (i = 0; i < ha->msix_count; i++) { 3374 qentry = &ha->msix_entries[i]; 3375 qentry->vector = pci_irq_vector(ha->pdev, i); 3376 qentry->entry = i; 3377 qentry->have_irq = 0; 3378 qentry->in_use = 0; 3379 qentry->handle = NULL; 3380 } 3381 3382 /* Enable MSI-X vectors for the base queue */ 3383 for (i = 0; i < QLA_BASE_VECTORS; i++) { 3384 qentry = &ha->msix_entries[i]; 3385 qentry->handle = rsp; 3386 rsp->msix = qentry; 3387 scnprintf(qentry->name, sizeof(qentry->name), 3388 "qla2xxx%lu_%s", vha->host_no, msix_entries[i].name); 3389 if (IS_P3P_TYPE(ha)) 3390 ret = request_irq(qentry->vector, 3391 qla82xx_msix_entries[i].handler, 3392 0, qla82xx_msix_entries[i].name, rsp); 3393 else 3394 ret = request_irq(qentry->vector, 3395 msix_entries[i].handler, 3396 0, qentry->name, rsp); 3397 if (ret) 3398 goto msix_register_fail; 3399 qentry->have_irq = 1; 3400 qentry->in_use = 1; 3401 } 3402 3403 /* 3404 * If target mode is enable, also request the vector for the ATIO 3405 * queue. 3406 */ 3407 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) { 3408 qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; 3409 rsp->msix = qentry; 3410 qentry->handle = rsp; 3411 scnprintf(qentry->name, sizeof(qentry->name), 3412 "qla2xxx%lu_%s", vha->host_no, 3413 msix_entries[QLA_ATIO_VECTOR].name); 3414 qentry->in_use = 1; 3415 ret = request_irq(qentry->vector, 3416 msix_entries[QLA_ATIO_VECTOR].handler, 3417 0, qentry->name, rsp); 3418 qentry->have_irq = 1; 3419 } 3420 3421 msix_register_fail: 3422 if (ret) { 3423 ql_log(ql_log_fatal, vha, 0x00cb, 3424 "MSI-X: unable to register handler -- %x/%d.\n", 3425 qentry->vector, ret); 3426 qla2x00_free_irqs(vha); 3427 ha->mqenable = 0; 3428 goto msix_out; 3429 } 3430 3431 /* Enable MSI-X vector for response queue update for queue 0 */ 3432 if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) { 3433 if (ha->msixbase && ha->mqiobase && 3434 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3435 ql2xmqsupport)) 3436 ha->mqenable = 1; 3437 } else 3438 if (ha->mqiobase && 3439 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || 3440 ql2xmqsupport)) 3441 ha->mqenable = 1; 3442 ql_dbg(ql_dbg_multiq, vha, 0xc005, 3443 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3444 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3445 ql_dbg(ql_dbg_init, vha, 0x0055, 3446 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 3447 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 3448 3449 msix_out: 3450 return ret; 3451 } 3452 3453 int 3454 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 3455 { 3456 int ret = QLA_FUNCTION_FAILED; 3457 device_reg_t *reg = ha->iobase; 3458 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3459 3460 /* If possible, enable MSI-X. */ 3461 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3462 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha) && 3463 !IS_QLA27XX(ha)) 3464 goto skip_msi; 3465 3466 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 3467 (ha->pdev->subsystem_device == 0x7040 || 3468 ha->pdev->subsystem_device == 0x7041 || 3469 ha->pdev->subsystem_device == 0x1705)) { 3470 ql_log(ql_log_warn, vha, 0x0034, 3471 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 3472 ha->pdev->subsystem_vendor, 3473 ha->pdev->subsystem_device); 3474 goto skip_msi; 3475 } 3476 3477 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 3478 ql_log(ql_log_warn, vha, 0x0035, 3479 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 3480 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 3481 goto skip_msix; 3482 } 3483 3484 ret = qla24xx_enable_msix(ha, rsp); 3485 if (!ret) { 3486 ql_dbg(ql_dbg_init, vha, 0x0036, 3487 "MSI-X: Enabled (0x%X, 0x%X).\n", 3488 ha->chip_revision, ha->fw_attributes); 3489 goto clear_risc_ints; 3490 } 3491 3492 skip_msix: 3493 3494 ql_log(ql_log_info, vha, 0x0037, 3495 "Falling back-to MSI mode -%d.\n", ret); 3496 3497 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 3498 !IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) && 3499 !IS_QLA27XX(ha)) 3500 goto skip_msi; 3501 3502 ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI); 3503 if (!ret) { 3504 ql_dbg(ql_dbg_init, vha, 0x0038, 3505 "MSI: Enabled.\n"); 3506 ha->flags.msi_enabled = 1; 3507 } else 3508 ql_log(ql_log_warn, vha, 0x0039, 3509 "Falling back-to INTa mode -- %d.\n", ret); 3510 skip_msi: 3511 3512 /* Skip INTx on ISP82xx. */ 3513 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 3514 return QLA_FUNCTION_FAILED; 3515 3516 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 3517 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 3518 QLA2XXX_DRIVER_NAME, rsp); 3519 if (ret) { 3520 ql_log(ql_log_warn, vha, 0x003a, 3521 "Failed to reserve interrupt %d already in use.\n", 3522 ha->pdev->irq); 3523 goto fail; 3524 } else if (!ha->flags.msi_enabled) { 3525 ql_dbg(ql_dbg_init, vha, 0x0125, 3526 "INTa mode: Enabled.\n"); 3527 ha->flags.mr_intr_valid = 1; 3528 } 3529 3530 clear_risc_ints: 3531 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 3532 goto fail; 3533 3534 spin_lock_irq(&ha->hardware_lock); 3535 WRT_REG_WORD(®->isp.semaphore, 0); 3536 spin_unlock_irq(&ha->hardware_lock); 3537 3538 fail: 3539 return ret; 3540 } 3541 3542 void 3543 qla2x00_free_irqs(scsi_qla_host_t *vha) 3544 { 3545 struct qla_hw_data *ha = vha->hw; 3546 struct rsp_que *rsp; 3547 struct qla_msix_entry *qentry; 3548 int i; 3549 3550 /* 3551 * We need to check that ha->rsp_q_map is valid in case we are called 3552 * from a probe failure context. 3553 */ 3554 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 3555 goto free_irqs; 3556 rsp = ha->rsp_q_map[0]; 3557 3558 if (ha->flags.msix_enabled) { 3559 for (i = 0; i < ha->msix_count; i++) { 3560 qentry = &ha->msix_entries[i]; 3561 if (qentry->have_irq) { 3562 irq_set_affinity_notifier(qentry->vector, NULL); 3563 free_irq(pci_irq_vector(ha->pdev, i), qentry->handle); 3564 } 3565 } 3566 kfree(ha->msix_entries); 3567 ha->msix_entries = NULL; 3568 ha->flags.msix_enabled = 0; 3569 ql_dbg(ql_dbg_init, vha, 0x0042, 3570 "Disabled MSI-X.\n"); 3571 } else { 3572 free_irq(pci_irq_vector(ha->pdev, 0), rsp); 3573 } 3574 3575 free_irqs: 3576 pci_free_irq_vectors(ha->pdev); 3577 } 3578 3579 int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair, 3580 struct qla_msix_entry *msix, int vector_type) 3581 { 3582 const struct qla_init_msix_entry *intr = &msix_entries[vector_type]; 3583 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3584 int ret; 3585 3586 scnprintf(msix->name, sizeof(msix->name), 3587 "qla2xxx%lu_qpair%d", vha->host_no, qpair->id); 3588 ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair); 3589 if (ret) { 3590 ql_log(ql_log_fatal, vha, 0x00e6, 3591 "MSI-X: Unable to register handler -- %x/%d.\n", 3592 msix->vector, ret); 3593 return ret; 3594 } 3595 msix->have_irq = 1; 3596 msix->handle = qpair; 3597 return ret; 3598 } 3599