1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2013 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 #include "qla_target.h" 9 10 #include <linux/delay.h> 11 #include <linux/slab.h> 12 #include <scsi/scsi_tcq.h> 13 #include <scsi/scsi_bsg_fc.h> 14 #include <scsi/scsi_eh.h> 15 16 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); 17 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); 18 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); 19 static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, 20 sts_entry_t *); 21 22 /** 23 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. 24 * @irq: 25 * @dev_id: SCSI driver HA context 26 * 27 * Called by system whenever the host adapter generates an interrupt. 28 * 29 * Returns handled flag. 30 */ 31 irqreturn_t 32 qla2100_intr_handler(int irq, void *dev_id) 33 { 34 scsi_qla_host_t *vha; 35 struct qla_hw_data *ha; 36 struct device_reg_2xxx __iomem *reg; 37 int status; 38 unsigned long iter; 39 uint16_t hccr; 40 uint16_t mb[4]; 41 struct rsp_que *rsp; 42 unsigned long flags; 43 44 rsp = (struct rsp_que *) dev_id; 45 if (!rsp) { 46 ql_log(ql_log_info, NULL, 0x505d, 47 "%s: NULL response queue pointer.\n", __func__); 48 return (IRQ_NONE); 49 } 50 51 ha = rsp->hw; 52 reg = &ha->iobase->isp; 53 status = 0; 54 55 spin_lock_irqsave(&ha->hardware_lock, flags); 56 vha = pci_get_drvdata(ha->pdev); 57 for (iter = 50; iter--; ) { 58 hccr = RD_REG_WORD(®->hccr); 59 if (hccr & HCCR_RISC_PAUSE) { 60 if (pci_channel_offline(ha->pdev)) 61 break; 62 63 /* 64 * Issue a "HARD" reset in order for the RISC interrupt 65 * bit to be cleared. Schedule a big hammer to get 66 * out of the RISC PAUSED state. 67 */ 68 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 69 RD_REG_WORD(®->hccr); 70 71 ha->isp_ops->fw_dump(vha, 1); 72 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 73 break; 74 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) 75 break; 76 77 if (RD_REG_WORD(®->semaphore) & BIT_0) { 78 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 79 RD_REG_WORD(®->hccr); 80 81 /* Get mailbox data. */ 82 mb[0] = RD_MAILBOX_REG(ha, reg, 0); 83 if (mb[0] > 0x3fff && mb[0] < 0x8000) { 84 qla2x00_mbx_completion(vha, mb[0]); 85 status |= MBX_INTERRUPT; 86 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { 87 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 88 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 89 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 90 qla2x00_async_event(vha, rsp, mb); 91 } else { 92 /*EMPTY*/ 93 ql_dbg(ql_dbg_async, vha, 0x5025, 94 "Unrecognized interrupt type (%d).\n", 95 mb[0]); 96 } 97 /* Release mailbox registers. */ 98 WRT_REG_WORD(®->semaphore, 0); 99 RD_REG_WORD(®->semaphore); 100 } else { 101 qla2x00_process_response_queue(rsp); 102 103 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 104 RD_REG_WORD(®->hccr); 105 } 106 } 107 qla2x00_handle_mbx_completion(ha, status); 108 spin_unlock_irqrestore(&ha->hardware_lock, flags); 109 110 return (IRQ_HANDLED); 111 } 112 113 /** 114 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 115 * @irq: 116 * @dev_id: SCSI driver HA context 117 * 118 * Called by system whenever the host adapter generates an interrupt. 119 * 120 * Returns handled flag. 121 */ 122 irqreturn_t 123 qla2300_intr_handler(int irq, void *dev_id) 124 { 125 scsi_qla_host_t *vha; 126 struct device_reg_2xxx __iomem *reg; 127 int status; 128 unsigned long iter; 129 uint32_t stat; 130 uint16_t hccr; 131 uint16_t mb[4]; 132 struct rsp_que *rsp; 133 struct qla_hw_data *ha; 134 unsigned long flags; 135 136 rsp = (struct rsp_que *) dev_id; 137 if (!rsp) { 138 ql_log(ql_log_info, NULL, 0x5058, 139 "%s: NULL response queue pointer.\n", __func__); 140 return (IRQ_NONE); 141 } 142 143 ha = rsp->hw; 144 reg = &ha->iobase->isp; 145 status = 0; 146 147 spin_lock_irqsave(&ha->hardware_lock, flags); 148 vha = pci_get_drvdata(ha->pdev); 149 for (iter = 50; iter--; ) { 150 stat = RD_REG_DWORD(®->u.isp2300.host_status); 151 if (stat & HSR_RISC_PAUSED) { 152 if (unlikely(pci_channel_offline(ha->pdev))) 153 break; 154 155 hccr = RD_REG_WORD(®->hccr); 156 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) 157 ql_log(ql_log_warn, vha, 0x5026, 158 "Parity error -- HCCR=%x, Dumping " 159 "firmware.\n", hccr); 160 else 161 ql_log(ql_log_warn, vha, 0x5027, 162 "RISC paused -- HCCR=%x, Dumping " 163 "firmware.\n", hccr); 164 165 /* 166 * Issue a "HARD" reset in order for the RISC 167 * interrupt bit to be cleared. Schedule a big 168 * hammer to get out of the RISC PAUSED state. 169 */ 170 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 171 RD_REG_WORD(®->hccr); 172 173 ha->isp_ops->fw_dump(vha, 1); 174 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 175 break; 176 } else if ((stat & HSR_RISC_INT) == 0) 177 break; 178 179 switch (stat & 0xff) { 180 case 0x1: 181 case 0x2: 182 case 0x10: 183 case 0x11: 184 qla2x00_mbx_completion(vha, MSW(stat)); 185 status |= MBX_INTERRUPT; 186 187 /* Release mailbox registers. */ 188 WRT_REG_WORD(®->semaphore, 0); 189 break; 190 case 0x12: 191 mb[0] = MSW(stat); 192 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 193 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 194 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 195 qla2x00_async_event(vha, rsp, mb); 196 break; 197 case 0x13: 198 qla2x00_process_response_queue(rsp); 199 break; 200 case 0x15: 201 mb[0] = MBA_CMPLT_1_16BIT; 202 mb[1] = MSW(stat); 203 qla2x00_async_event(vha, rsp, mb); 204 break; 205 case 0x16: 206 mb[0] = MBA_SCSI_COMPLETION; 207 mb[1] = MSW(stat); 208 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 209 qla2x00_async_event(vha, rsp, mb); 210 break; 211 default: 212 ql_dbg(ql_dbg_async, vha, 0x5028, 213 "Unrecognized interrupt type (%d).\n", stat & 0xff); 214 break; 215 } 216 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 217 RD_REG_WORD_RELAXED(®->hccr); 218 } 219 qla2x00_handle_mbx_completion(ha, status); 220 spin_unlock_irqrestore(&ha->hardware_lock, flags); 221 222 return (IRQ_HANDLED); 223 } 224 225 /** 226 * qla2x00_mbx_completion() - Process mailbox command completions. 227 * @ha: SCSI driver HA context 228 * @mb0: Mailbox0 register 229 */ 230 static void 231 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 232 { 233 uint16_t cnt; 234 uint32_t mboxes; 235 uint16_t __iomem *wptr; 236 struct qla_hw_data *ha = vha->hw; 237 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 238 239 /* Read all mbox registers? */ 240 mboxes = (1 << ha->mbx_count) - 1; 241 if (!ha->mcp) 242 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); 243 else 244 mboxes = ha->mcp->in_mb; 245 246 /* Load return mailbox registers. */ 247 ha->flags.mbox_int = 1; 248 ha->mailbox_out[0] = mb0; 249 mboxes >>= 1; 250 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); 251 252 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 253 if (IS_QLA2200(ha) && cnt == 8) 254 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); 255 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) 256 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); 257 else if (mboxes & BIT_0) 258 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 259 260 wptr++; 261 mboxes >>= 1; 262 } 263 } 264 265 static void 266 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) 267 { 268 static char *event[] = 269 { "Complete", "Request Notification", "Time Extension" }; 270 int rval; 271 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; 272 uint16_t __iomem *wptr; 273 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; 274 275 /* Seed data -- mailbox1 -> mailbox7. */ 276 wptr = (uint16_t __iomem *)®24->mailbox1; 277 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) 278 mb[cnt] = RD_REG_WORD(wptr); 279 280 ql_dbg(ql_dbg_async, vha, 0x5021, 281 "Inter-Driver Communication %s -- " 282 "%04x %04x %04x %04x %04x %04x %04x.\n", 283 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], 284 mb[4], mb[5], mb[6]); 285 if ((aen == MBA_IDC_COMPLETE && mb[1] >> 15)) { 286 vha->hw->flags.idc_compl_status = 1; 287 if (vha->hw->notify_dcbx_comp) 288 complete(&vha->hw->dcbx_comp); 289 } 290 291 /* Acknowledgement needed? [Notify && non-zero timeout]. */ 292 timeout = (descr >> 8) & 0xf; 293 if (aen != MBA_IDC_NOTIFY || !timeout) 294 return; 295 296 ql_dbg(ql_dbg_async, vha, 0x5022, 297 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", 298 vha->host_no, event[aen & 0xff], timeout); 299 300 rval = qla2x00_post_idc_ack_work(vha, mb); 301 if (rval != QLA_SUCCESS) 302 ql_log(ql_log_warn, vha, 0x5023, 303 "IDC failed to post ACK.\n"); 304 } 305 306 #define LS_UNKNOWN 2 307 const char * 308 qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed) 309 { 310 static const char * const link_speeds[] = { 311 "1", "2", "?", "4", "8", "16", "10" 312 }; 313 314 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 315 return link_speeds[0]; 316 else if (speed == 0x13) 317 return link_speeds[6]; 318 else if (speed < 6) 319 return link_speeds[speed]; 320 else 321 return link_speeds[LS_UNKNOWN]; 322 } 323 324 static void 325 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 326 { 327 struct qla_hw_data *ha = vha->hw; 328 329 /* 330 * 8200 AEN Interpretation: 331 * mb[0] = AEN code 332 * mb[1] = AEN Reason code 333 * mb[2] = LSW of Peg-Halt Status-1 Register 334 * mb[6] = MSW of Peg-Halt Status-1 Register 335 * mb[3] = LSW of Peg-Halt Status-2 register 336 * mb[7] = MSW of Peg-Halt Status-2 register 337 * mb[4] = IDC Device-State Register value 338 * mb[5] = IDC Driver-Presence Register value 339 */ 340 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " 341 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", 342 mb[0], mb[1], mb[2], mb[6]); 343 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " 344 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " 345 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); 346 347 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | 348 IDC_HEARTBEAT_FAILURE)) { 349 ha->flags.nic_core_hung = 1; 350 ql_log(ql_log_warn, vha, 0x5060, 351 "83XX: F/W Error Reported: Check if reset required.\n"); 352 353 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { 354 uint32_t protocol_engine_id, fw_err_code, err_level; 355 356 /* 357 * IDC_PEG_HALT_STATUS_CHANGE interpretation: 358 * - PEG-Halt Status-1 Register: 359 * (LSW = mb[2], MSW = mb[6]) 360 * Bits 0-7 = protocol-engine ID 361 * Bits 8-28 = f/w error code 362 * Bits 29-31 = Error-level 363 * Error-level 0x1 = Non-Fatal error 364 * Error-level 0x2 = Recoverable Fatal error 365 * Error-level 0x4 = UnRecoverable Fatal error 366 * - PEG-Halt Status-2 Register: 367 * (LSW = mb[3], MSW = mb[7]) 368 */ 369 protocol_engine_id = (mb[2] & 0xff); 370 fw_err_code = (((mb[2] & 0xff00) >> 8) | 371 ((mb[6] & 0x1fff) << 8)); 372 err_level = ((mb[6] & 0xe000) >> 13); 373 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " 374 "Register: protocol_engine_id=0x%x " 375 "fw_err_code=0x%x err_level=0x%x.\n", 376 protocol_engine_id, fw_err_code, err_level); 377 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " 378 "Register: 0x%x%x.\n", mb[7], mb[3]); 379 if (err_level == ERR_LEVEL_NON_FATAL) { 380 ql_log(ql_log_warn, vha, 0x5063, 381 "Not a fatal error, f/w has recovered " 382 "iteself.\n"); 383 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { 384 ql_log(ql_log_fatal, vha, 0x5064, 385 "Recoverable Fatal error: Chip reset " 386 "required.\n"); 387 qla83xx_schedule_work(vha, 388 QLA83XX_NIC_CORE_RESET); 389 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { 390 ql_log(ql_log_fatal, vha, 0x5065, 391 "Unrecoverable Fatal error: Set FAILED " 392 "state, reboot required.\n"); 393 qla83xx_schedule_work(vha, 394 QLA83XX_NIC_CORE_UNRECOVERABLE); 395 } 396 } 397 398 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { 399 uint16_t peg_fw_state, nw_interface_link_up; 400 uint16_t nw_interface_signal_detect, sfp_status; 401 uint16_t htbt_counter, htbt_monitor_enable; 402 uint16_t sfp_additonal_info, sfp_multirate; 403 uint16_t sfp_tx_fault, link_speed, dcbx_status; 404 405 /* 406 * IDC_NIC_FW_REPORTED_FAILURE interpretation: 407 * - PEG-to-FC Status Register: 408 * (LSW = mb[2], MSW = mb[6]) 409 * Bits 0-7 = Peg-Firmware state 410 * Bit 8 = N/W Interface Link-up 411 * Bit 9 = N/W Interface signal detected 412 * Bits 10-11 = SFP Status 413 * SFP Status 0x0 = SFP+ transceiver not expected 414 * SFP Status 0x1 = SFP+ transceiver not present 415 * SFP Status 0x2 = SFP+ transceiver invalid 416 * SFP Status 0x3 = SFP+ transceiver present and 417 * valid 418 * Bits 12-14 = Heartbeat Counter 419 * Bit 15 = Heartbeat Monitor Enable 420 * Bits 16-17 = SFP Additional Info 421 * SFP info 0x0 = Unregocnized transceiver for 422 * Ethernet 423 * SFP info 0x1 = SFP+ brand validation failed 424 * SFP info 0x2 = SFP+ speed validation failed 425 * SFP info 0x3 = SFP+ access error 426 * Bit 18 = SFP Multirate 427 * Bit 19 = SFP Tx Fault 428 * Bits 20-22 = Link Speed 429 * Bits 23-27 = Reserved 430 * Bits 28-30 = DCBX Status 431 * DCBX Status 0x0 = DCBX Disabled 432 * DCBX Status 0x1 = DCBX Enabled 433 * DCBX Status 0x2 = DCBX Exchange error 434 * Bit 31 = Reserved 435 */ 436 peg_fw_state = (mb[2] & 0x00ff); 437 nw_interface_link_up = ((mb[2] & 0x0100) >> 8); 438 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); 439 sfp_status = ((mb[2] & 0x0c00) >> 10); 440 htbt_counter = ((mb[2] & 0x7000) >> 12); 441 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); 442 sfp_additonal_info = (mb[6] & 0x0003); 443 sfp_multirate = ((mb[6] & 0x0004) >> 2); 444 sfp_tx_fault = ((mb[6] & 0x0008) >> 3); 445 link_speed = ((mb[6] & 0x0070) >> 4); 446 dcbx_status = ((mb[6] & 0x7000) >> 12); 447 448 ql_log(ql_log_warn, vha, 0x5066, 449 "Peg-to-Fc Status Register:\n" 450 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " 451 "nw_interface_signal_detect=0x%x" 452 "\nsfp_statis=0x%x.\n ", peg_fw_state, 453 nw_interface_link_up, nw_interface_signal_detect, 454 sfp_status); 455 ql_log(ql_log_warn, vha, 0x5067, 456 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " 457 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ", 458 htbt_counter, htbt_monitor_enable, 459 sfp_additonal_info, sfp_multirate); 460 ql_log(ql_log_warn, vha, 0x5068, 461 "sfp_tx_fault=0x%x, link_state=0x%x, " 462 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, 463 dcbx_status); 464 465 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 466 } 467 468 if (mb[1] & IDC_HEARTBEAT_FAILURE) { 469 ql_log(ql_log_warn, vha, 0x5069, 470 "Heartbeat Failure encountered, chip reset " 471 "required.\n"); 472 473 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 474 } 475 } 476 477 if (mb[1] & IDC_DEVICE_STATE_CHANGE) { 478 ql_log(ql_log_info, vha, 0x506a, 479 "IDC Device-State changed = 0x%x.\n", mb[4]); 480 if (ha->flags.nic_core_reset_owner) 481 return; 482 qla83xx_schedule_work(vha, MBA_IDC_AEN); 483 } 484 } 485 486 int 487 qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry) 488 { 489 struct qla_hw_data *ha = vha->hw; 490 scsi_qla_host_t *vp; 491 uint32_t vp_did; 492 unsigned long flags; 493 int ret = 0; 494 495 if (!ha->num_vhosts) 496 return ret; 497 498 spin_lock_irqsave(&ha->vport_slock, flags); 499 list_for_each_entry(vp, &ha->vp_list, list) { 500 vp_did = vp->d_id.b24; 501 if (vp_did == rscn_entry) { 502 ret = 1; 503 break; 504 } 505 } 506 spin_unlock_irqrestore(&ha->vport_slock, flags); 507 508 return ret; 509 } 510 511 /** 512 * qla2x00_async_event() - Process aynchronous events. 513 * @ha: SCSI driver HA context 514 * @mb: Mailbox registers (0 - 3) 515 */ 516 void 517 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 518 { 519 uint16_t handle_cnt; 520 uint16_t cnt, mbx; 521 uint32_t handles[5]; 522 struct qla_hw_data *ha = vha->hw; 523 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 524 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 525 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 526 uint32_t rscn_entry, host_pid; 527 unsigned long flags; 528 529 /* Setup to process RIO completion. */ 530 handle_cnt = 0; 531 if (IS_CNA_CAPABLE(ha)) 532 goto skip_rio; 533 switch (mb[0]) { 534 case MBA_SCSI_COMPLETION: 535 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 536 handle_cnt = 1; 537 break; 538 case MBA_CMPLT_1_16BIT: 539 handles[0] = mb[1]; 540 handle_cnt = 1; 541 mb[0] = MBA_SCSI_COMPLETION; 542 break; 543 case MBA_CMPLT_2_16BIT: 544 handles[0] = mb[1]; 545 handles[1] = mb[2]; 546 handle_cnt = 2; 547 mb[0] = MBA_SCSI_COMPLETION; 548 break; 549 case MBA_CMPLT_3_16BIT: 550 handles[0] = mb[1]; 551 handles[1] = mb[2]; 552 handles[2] = mb[3]; 553 handle_cnt = 3; 554 mb[0] = MBA_SCSI_COMPLETION; 555 break; 556 case MBA_CMPLT_4_16BIT: 557 handles[0] = mb[1]; 558 handles[1] = mb[2]; 559 handles[2] = mb[3]; 560 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 561 handle_cnt = 4; 562 mb[0] = MBA_SCSI_COMPLETION; 563 break; 564 case MBA_CMPLT_5_16BIT: 565 handles[0] = mb[1]; 566 handles[1] = mb[2]; 567 handles[2] = mb[3]; 568 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 569 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 570 handle_cnt = 5; 571 mb[0] = MBA_SCSI_COMPLETION; 572 break; 573 case MBA_CMPLT_2_32BIT: 574 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 575 handles[1] = le32_to_cpu( 576 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | 577 RD_MAILBOX_REG(ha, reg, 6)); 578 handle_cnt = 2; 579 mb[0] = MBA_SCSI_COMPLETION; 580 break; 581 default: 582 break; 583 } 584 skip_rio: 585 switch (mb[0]) { 586 case MBA_SCSI_COMPLETION: /* Fast Post */ 587 if (!vha->flags.online) 588 break; 589 590 for (cnt = 0; cnt < handle_cnt; cnt++) 591 qla2x00_process_completed_request(vha, rsp->req, 592 handles[cnt]); 593 break; 594 595 case MBA_RESET: /* Reset */ 596 ql_dbg(ql_dbg_async, vha, 0x5002, 597 "Asynchronous RESET.\n"); 598 599 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 600 break; 601 602 case MBA_SYSTEM_ERR: /* System Error */ 603 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha)) ? 604 RD_REG_WORD(®24->mailbox7) : 0; 605 ql_log(ql_log_warn, vha, 0x5003, 606 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " 607 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); 608 609 ha->isp_ops->fw_dump(vha, 1); 610 611 if (IS_FWI2_CAPABLE(ha)) { 612 if (mb[1] == 0 && mb[2] == 0) { 613 ql_log(ql_log_fatal, vha, 0x5004, 614 "Unrecoverable Hardware Error: adapter " 615 "marked OFFLINE!\n"); 616 vha->flags.online = 0; 617 vha->device_flags |= DFLG_DEV_FAILED; 618 } else { 619 /* Check to see if MPI timeout occurred */ 620 if ((mbx & MBX_3) && (ha->flags.port0)) 621 set_bit(MPI_RESET_NEEDED, 622 &vha->dpc_flags); 623 624 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 625 } 626 } else if (mb[1] == 0) { 627 ql_log(ql_log_fatal, vha, 0x5005, 628 "Unrecoverable Hardware Error: adapter marked " 629 "OFFLINE!\n"); 630 vha->flags.online = 0; 631 vha->device_flags |= DFLG_DEV_FAILED; 632 } else 633 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 634 break; 635 636 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 637 ql_log(ql_log_warn, vha, 0x5006, 638 "ISP Request Transfer Error (%x).\n", mb[1]); 639 640 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 641 break; 642 643 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 644 ql_log(ql_log_warn, vha, 0x5007, 645 "ISP Response Transfer Error.\n"); 646 647 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 648 break; 649 650 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 651 ql_dbg(ql_dbg_async, vha, 0x5008, 652 "Asynchronous WAKEUP_THRES.\n"); 653 654 break; 655 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 656 ql_dbg(ql_dbg_async, vha, 0x5009, 657 "LIP occurred (%x).\n", mb[1]); 658 659 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 660 atomic_set(&vha->loop_state, LOOP_DOWN); 661 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 662 qla2x00_mark_all_devices_lost(vha, 1); 663 } 664 665 if (vha->vp_idx) { 666 atomic_set(&vha->vp_state, VP_FAILED); 667 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 668 } 669 670 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 671 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 672 673 vha->flags.management_server_logged_in = 0; 674 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 675 break; 676 677 case MBA_LOOP_UP: /* Loop Up Event */ 678 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 679 ha->link_data_rate = PORT_SPEED_1GB; 680 else 681 ha->link_data_rate = mb[1]; 682 683 ql_dbg(ql_dbg_async, vha, 0x500a, 684 "LOOP UP detected (%s Gbps).\n", 685 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 686 687 vha->flags.management_server_logged_in = 0; 688 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 689 break; 690 691 case MBA_LOOP_DOWN: /* Loop Down Event */ 692 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 693 ? RD_REG_WORD(®24->mailbox4) : 0; 694 mbx = IS_QLA82XX(ha) ? RD_REG_WORD(®82->mailbox_out[4]) : mbx; 695 ql_dbg(ql_dbg_async, vha, 0x500b, 696 "LOOP DOWN detected (%x %x %x %x).\n", 697 mb[1], mb[2], mb[3], mbx); 698 699 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 700 atomic_set(&vha->loop_state, LOOP_DOWN); 701 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 702 vha->device_flags |= DFLG_NO_CABLE; 703 qla2x00_mark_all_devices_lost(vha, 1); 704 } 705 706 if (vha->vp_idx) { 707 atomic_set(&vha->vp_state, VP_FAILED); 708 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 709 } 710 711 vha->flags.management_server_logged_in = 0; 712 ha->link_data_rate = PORT_SPEED_UNKNOWN; 713 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 714 break; 715 716 case MBA_LIP_RESET: /* LIP reset occurred */ 717 ql_dbg(ql_dbg_async, vha, 0x500c, 718 "LIP reset occurred (%x).\n", mb[1]); 719 720 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 721 atomic_set(&vha->loop_state, LOOP_DOWN); 722 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 723 qla2x00_mark_all_devices_lost(vha, 1); 724 } 725 726 if (vha->vp_idx) { 727 atomic_set(&vha->vp_state, VP_FAILED); 728 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 729 } 730 731 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 732 733 ha->operating_mode = LOOP; 734 vha->flags.management_server_logged_in = 0; 735 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 736 break; 737 738 /* case MBA_DCBX_COMPLETE: */ 739 case MBA_POINT_TO_POINT: /* Point-to-Point */ 740 if (IS_QLA2100(ha)) 741 break; 742 743 if (IS_QLA81XX(ha) || IS_QLA82XX(ha) || IS_QLA8031(ha)) { 744 ql_dbg(ql_dbg_async, vha, 0x500d, 745 "DCBX Completed -- %04x %04x %04x.\n", 746 mb[1], mb[2], mb[3]); 747 if (ha->notify_dcbx_comp) 748 complete(&ha->dcbx_comp); 749 750 } else 751 ql_dbg(ql_dbg_async, vha, 0x500e, 752 "Asynchronous P2P MODE received.\n"); 753 754 /* 755 * Until there's a transition from loop down to loop up, treat 756 * this as loop down only. 757 */ 758 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 759 atomic_set(&vha->loop_state, LOOP_DOWN); 760 if (!atomic_read(&vha->loop_down_timer)) 761 atomic_set(&vha->loop_down_timer, 762 LOOP_DOWN_TIME); 763 qla2x00_mark_all_devices_lost(vha, 1); 764 } 765 766 if (vha->vp_idx) { 767 atomic_set(&vha->vp_state, VP_FAILED); 768 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 769 } 770 771 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 772 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 773 774 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 775 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 776 777 ha->flags.gpsc_supported = 1; 778 vha->flags.management_server_logged_in = 0; 779 break; 780 781 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 782 if (IS_QLA2100(ha)) 783 break; 784 785 ql_dbg(ql_dbg_async, vha, 0x500f, 786 "Configuration change detected: value=%x.\n", mb[1]); 787 788 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 789 atomic_set(&vha->loop_state, LOOP_DOWN); 790 if (!atomic_read(&vha->loop_down_timer)) 791 atomic_set(&vha->loop_down_timer, 792 LOOP_DOWN_TIME); 793 qla2x00_mark_all_devices_lost(vha, 1); 794 } 795 796 if (vha->vp_idx) { 797 atomic_set(&vha->vp_state, VP_FAILED); 798 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 799 } 800 801 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 802 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 803 break; 804 805 case MBA_PORT_UPDATE: /* Port database update */ 806 /* 807 * Handle only global and vn-port update events 808 * 809 * Relevant inputs: 810 * mb[1] = N_Port handle of changed port 811 * OR 0xffff for global event 812 * mb[2] = New login state 813 * 7 = Port logged out 814 * mb[3] = LSB is vp_idx, 0xff = all vps 815 * 816 * Skip processing if: 817 * Event is global, vp_idx is NOT all vps, 818 * vp_idx does not match 819 * Event is not global, vp_idx does not match 820 */ 821 if (IS_QLA2XXX_MIDTYPE(ha) && 822 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 823 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 824 break; 825 826 /* Global event -- port logout or port unavailable. */ 827 if (mb[1] == 0xffff && mb[2] == 0x7) { 828 ql_dbg(ql_dbg_async, vha, 0x5010, 829 "Port unavailable %04x %04x %04x.\n", 830 mb[1], mb[2], mb[3]); 831 ql_log(ql_log_warn, vha, 0x505e, 832 "Link is offline.\n"); 833 834 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 835 atomic_set(&vha->loop_state, LOOP_DOWN); 836 atomic_set(&vha->loop_down_timer, 837 LOOP_DOWN_TIME); 838 vha->device_flags |= DFLG_NO_CABLE; 839 qla2x00_mark_all_devices_lost(vha, 1); 840 } 841 842 if (vha->vp_idx) { 843 atomic_set(&vha->vp_state, VP_FAILED); 844 fc_vport_set_state(vha->fc_vport, 845 FC_VPORT_FAILED); 846 qla2x00_mark_all_devices_lost(vha, 1); 847 } 848 849 vha->flags.management_server_logged_in = 0; 850 ha->link_data_rate = PORT_SPEED_UNKNOWN; 851 break; 852 } 853 854 /* 855 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 856 * event etc. earlier indicating loop is down) then process 857 * it. Otherwise ignore it and Wait for RSCN to come in. 858 */ 859 atomic_set(&vha->loop_down_timer, 0); 860 if (mb[1] != 0xffff || (mb[2] != 0x6 && mb[2] != 0x4)) { 861 ql_dbg(ql_dbg_async, vha, 0x5011, 862 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 863 mb[1], mb[2], mb[3]); 864 865 qlt_async_event(mb[0], vha, mb); 866 break; 867 } 868 869 ql_dbg(ql_dbg_async, vha, 0x5012, 870 "Port database changed %04x %04x %04x.\n", 871 mb[1], mb[2], mb[3]); 872 ql_log(ql_log_warn, vha, 0x505f, 873 "Link is operational (%s Gbps).\n", 874 qla2x00_get_link_speed_str(ha, ha->link_data_rate)); 875 876 /* 877 * Mark all devices as missing so we will login again. 878 */ 879 atomic_set(&vha->loop_state, LOOP_UP); 880 881 qla2x00_mark_all_devices_lost(vha, 1); 882 883 if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha)) 884 set_bit(SCR_PENDING, &vha->dpc_flags); 885 886 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 887 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 888 889 qlt_async_event(mb[0], vha, mb); 890 break; 891 892 case MBA_RSCN_UPDATE: /* State Change Registration */ 893 /* Check if the Vport has issued a SCR */ 894 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 895 break; 896 /* Only handle SCNs for our Vport index. */ 897 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 898 break; 899 900 ql_dbg(ql_dbg_async, vha, 0x5013, 901 "RSCN database changed -- %04x %04x %04x.\n", 902 mb[1], mb[2], mb[3]); 903 904 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 905 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 906 | vha->d_id.b.al_pa; 907 if (rscn_entry == host_pid) { 908 ql_dbg(ql_dbg_async, vha, 0x5014, 909 "Ignoring RSCN update to local host " 910 "port ID (%06x).\n", host_pid); 911 break; 912 } 913 914 /* Ignore reserved bits from RSCN-payload. */ 915 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 916 917 /* Skip RSCNs for virtual ports on the same physical port */ 918 if (qla2x00_is_a_vp_did(vha, rscn_entry)) 919 break; 920 921 atomic_set(&vha->loop_down_timer, 0); 922 vha->flags.management_server_logged_in = 0; 923 924 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 925 set_bit(RSCN_UPDATE, &vha->dpc_flags); 926 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 927 break; 928 929 /* case MBA_RIO_RESPONSE: */ 930 case MBA_ZIO_RESPONSE: 931 ql_dbg(ql_dbg_async, vha, 0x5015, 932 "[R|Z]IO update completion.\n"); 933 934 if (IS_FWI2_CAPABLE(ha)) 935 qla24xx_process_response_queue(vha, rsp); 936 else 937 qla2x00_process_response_queue(rsp); 938 break; 939 940 case MBA_DISCARD_RND_FRAME: 941 ql_dbg(ql_dbg_async, vha, 0x5016, 942 "Discard RND Frame -- %04x %04x %04x.\n", 943 mb[1], mb[2], mb[3]); 944 break; 945 946 case MBA_TRACE_NOTIFICATION: 947 ql_dbg(ql_dbg_async, vha, 0x5017, 948 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 949 break; 950 951 case MBA_ISP84XX_ALERT: 952 ql_dbg(ql_dbg_async, vha, 0x5018, 953 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 954 mb[1], mb[2], mb[3]); 955 956 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 957 switch (mb[1]) { 958 case A84_PANIC_RECOVERY: 959 ql_log(ql_log_info, vha, 0x5019, 960 "Alert 84XX: panic recovery %04x %04x.\n", 961 mb[2], mb[3]); 962 break; 963 case A84_OP_LOGIN_COMPLETE: 964 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 965 ql_log(ql_log_info, vha, 0x501a, 966 "Alert 84XX: firmware version %x.\n", 967 ha->cs84xx->op_fw_version); 968 break; 969 case A84_DIAG_LOGIN_COMPLETE: 970 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 971 ql_log(ql_log_info, vha, 0x501b, 972 "Alert 84XX: diagnostic firmware version %x.\n", 973 ha->cs84xx->diag_fw_version); 974 break; 975 case A84_GOLD_LOGIN_COMPLETE: 976 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 977 ha->cs84xx->fw_update = 1; 978 ql_log(ql_log_info, vha, 0x501c, 979 "Alert 84XX: gold firmware version %x.\n", 980 ha->cs84xx->gold_fw_version); 981 break; 982 default: 983 ql_log(ql_log_warn, vha, 0x501d, 984 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 985 mb[1], mb[2], mb[3]); 986 } 987 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 988 break; 989 case MBA_DCBX_START: 990 ql_dbg(ql_dbg_async, vha, 0x501e, 991 "DCBX Started -- %04x %04x %04x.\n", 992 mb[1], mb[2], mb[3]); 993 break; 994 case MBA_DCBX_PARAM_UPDATE: 995 ql_dbg(ql_dbg_async, vha, 0x501f, 996 "DCBX Parameters Updated -- %04x %04x %04x.\n", 997 mb[1], mb[2], mb[3]); 998 break; 999 case MBA_FCF_CONF_ERR: 1000 ql_dbg(ql_dbg_async, vha, 0x5020, 1001 "FCF Configuration Error -- %04x %04x %04x.\n", 1002 mb[1], mb[2], mb[3]); 1003 break; 1004 case MBA_IDC_NOTIFY: 1005 if (IS_QLA8031(vha->hw)) { 1006 mb[4] = RD_REG_WORD(®24->mailbox4); 1007 if (((mb[2] & 0x7fff) == MBC_PORT_RESET || 1008 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) && 1009 (mb[4] & INTERNAL_LOOPBACK_MASK) != 0) { 1010 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 1011 /* 1012 * Extend loop down timer since port is active. 1013 */ 1014 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 1015 atomic_set(&vha->loop_down_timer, 1016 LOOP_DOWN_TIME); 1017 qla2xxx_wake_dpc(vha); 1018 } 1019 } 1020 case MBA_IDC_COMPLETE: 1021 if (ha->notify_lb_portup_comp) 1022 complete(&ha->lb_portup_comp); 1023 /* Fallthru */ 1024 case MBA_IDC_TIME_EXT: 1025 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw)) 1026 qla81xx_idc_event(vha, mb[0], mb[1]); 1027 break; 1028 1029 case MBA_IDC_AEN: 1030 mb[4] = RD_REG_WORD(®24->mailbox4); 1031 mb[5] = RD_REG_WORD(®24->mailbox5); 1032 mb[6] = RD_REG_WORD(®24->mailbox6); 1033 mb[7] = RD_REG_WORD(®24->mailbox7); 1034 qla83xx_handle_8200_aen(vha, mb); 1035 break; 1036 1037 default: 1038 ql_dbg(ql_dbg_async, vha, 0x5057, 1039 "Unknown AEN:%04x %04x %04x %04x\n", 1040 mb[0], mb[1], mb[2], mb[3]); 1041 } 1042 1043 qlt_async_event(mb[0], vha, mb); 1044 1045 if (!vha->vp_idx && ha->num_vhosts) 1046 qla2x00_alert_all_vps(rsp, mb); 1047 } 1048 1049 /** 1050 * qla2x00_process_completed_request() - Process a Fast Post response. 1051 * @ha: SCSI driver HA context 1052 * @index: SRB index 1053 */ 1054 void 1055 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1056 struct req_que *req, uint32_t index) 1057 { 1058 srb_t *sp; 1059 struct qla_hw_data *ha = vha->hw; 1060 1061 /* Validate handle. */ 1062 if (index >= req->num_outstanding_cmds) { 1063 ql_log(ql_log_warn, vha, 0x3014, 1064 "Invalid SCSI command index (%x).\n", index); 1065 1066 if (IS_QLA82XX(ha)) 1067 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1068 else 1069 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1070 return; 1071 } 1072 1073 sp = req->outstanding_cmds[index]; 1074 if (sp) { 1075 /* Free outstanding command slot. */ 1076 req->outstanding_cmds[index] = NULL; 1077 1078 /* Save ISP completion status */ 1079 sp->done(ha, sp, DID_OK << 16); 1080 } else { 1081 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1082 1083 if (IS_QLA82XX(ha)) 1084 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1085 else 1086 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1087 } 1088 } 1089 1090 srb_t * 1091 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1092 struct req_que *req, void *iocb) 1093 { 1094 struct qla_hw_data *ha = vha->hw; 1095 sts_entry_t *pkt = iocb; 1096 srb_t *sp = NULL; 1097 uint16_t index; 1098 1099 index = LSW(pkt->handle); 1100 if (index >= req->num_outstanding_cmds) { 1101 ql_log(ql_log_warn, vha, 0x5031, 1102 "Invalid command index (%x).\n", index); 1103 if (IS_QLA82XX(ha)) 1104 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1105 else 1106 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1107 goto done; 1108 } 1109 sp = req->outstanding_cmds[index]; 1110 if (!sp) { 1111 ql_log(ql_log_warn, vha, 0x5032, 1112 "Invalid completion handle (%x) -- timed-out.\n", index); 1113 return sp; 1114 } 1115 if (sp->handle != index) { 1116 ql_log(ql_log_warn, vha, 0x5033, 1117 "SRB handle (%x) mismatch %x.\n", sp->handle, index); 1118 return NULL; 1119 } 1120 1121 req->outstanding_cmds[index] = NULL; 1122 1123 done: 1124 return sp; 1125 } 1126 1127 static void 1128 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1129 struct mbx_entry *mbx) 1130 { 1131 const char func[] = "MBX-IOCB"; 1132 const char *type; 1133 fc_port_t *fcport; 1134 srb_t *sp; 1135 struct srb_iocb *lio; 1136 uint16_t *data; 1137 uint16_t status; 1138 1139 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1140 if (!sp) 1141 return; 1142 1143 lio = &sp->u.iocb_cmd; 1144 type = sp->name; 1145 fcport = sp->fcport; 1146 data = lio->u.logio.data; 1147 1148 data[0] = MBS_COMMAND_ERROR; 1149 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1150 QLA_LOGIO_LOGIN_RETRIED : 0; 1151 if (mbx->entry_status) { 1152 ql_dbg(ql_dbg_async, vha, 0x5043, 1153 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1154 "entry-status=%x status=%x state-flag=%x " 1155 "status-flags=%x.\n", type, sp->handle, 1156 fcport->d_id.b.domain, fcport->d_id.b.area, 1157 fcport->d_id.b.al_pa, mbx->entry_status, 1158 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1159 le16_to_cpu(mbx->status_flags)); 1160 1161 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1162 (uint8_t *)mbx, sizeof(*mbx)); 1163 1164 goto logio_done; 1165 } 1166 1167 status = le16_to_cpu(mbx->status); 1168 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1169 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1170 status = 0; 1171 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1172 ql_dbg(ql_dbg_async, vha, 0x5045, 1173 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1174 type, sp->handle, fcport->d_id.b.domain, 1175 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1176 le16_to_cpu(mbx->mb1)); 1177 1178 data[0] = MBS_COMMAND_COMPLETE; 1179 if (sp->type == SRB_LOGIN_CMD) { 1180 fcport->port_type = FCT_TARGET; 1181 if (le16_to_cpu(mbx->mb1) & BIT_0) 1182 fcport->port_type = FCT_INITIATOR; 1183 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1184 fcport->flags |= FCF_FCP2_DEVICE; 1185 } 1186 goto logio_done; 1187 } 1188 1189 data[0] = le16_to_cpu(mbx->mb0); 1190 switch (data[0]) { 1191 case MBS_PORT_ID_USED: 1192 data[1] = le16_to_cpu(mbx->mb1); 1193 break; 1194 case MBS_LOOP_ID_USED: 1195 break; 1196 default: 1197 data[0] = MBS_COMMAND_ERROR; 1198 break; 1199 } 1200 1201 ql_log(ql_log_warn, vha, 0x5046, 1202 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1203 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1204 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1205 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1206 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1207 le16_to_cpu(mbx->mb7)); 1208 1209 logio_done: 1210 sp->done(vha, sp, 0); 1211 } 1212 1213 static void 1214 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1215 sts_entry_t *pkt, int iocb_type) 1216 { 1217 const char func[] = "CT_IOCB"; 1218 const char *type; 1219 srb_t *sp; 1220 struct fc_bsg_job *bsg_job; 1221 uint16_t comp_status; 1222 int res; 1223 1224 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1225 if (!sp) 1226 return; 1227 1228 bsg_job = sp->u.bsg_job; 1229 1230 type = "ct pass-through"; 1231 1232 comp_status = le16_to_cpu(pkt->comp_status); 1233 1234 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1235 * fc payload to the caller 1236 */ 1237 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1238 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1239 1240 if (comp_status != CS_COMPLETE) { 1241 if (comp_status == CS_DATA_UNDERRUN) { 1242 res = DID_OK << 16; 1243 bsg_job->reply->reply_payload_rcv_len = 1244 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); 1245 1246 ql_log(ql_log_warn, vha, 0x5048, 1247 "CT pass-through-%s error " 1248 "comp_status-status=0x%x total_byte = 0x%x.\n", 1249 type, comp_status, 1250 bsg_job->reply->reply_payload_rcv_len); 1251 } else { 1252 ql_log(ql_log_warn, vha, 0x5049, 1253 "CT pass-through-%s error " 1254 "comp_status-status=0x%x.\n", type, comp_status); 1255 res = DID_ERROR << 16; 1256 bsg_job->reply->reply_payload_rcv_len = 0; 1257 } 1258 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 1259 (uint8_t *)pkt, sizeof(*pkt)); 1260 } else { 1261 res = DID_OK << 16; 1262 bsg_job->reply->reply_payload_rcv_len = 1263 bsg_job->reply_payload.payload_len; 1264 bsg_job->reply_len = 0; 1265 } 1266 1267 sp->done(vha, sp, res); 1268 } 1269 1270 static void 1271 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1272 struct sts_entry_24xx *pkt, int iocb_type) 1273 { 1274 const char func[] = "ELS_CT_IOCB"; 1275 const char *type; 1276 srb_t *sp; 1277 struct fc_bsg_job *bsg_job; 1278 uint16_t comp_status; 1279 uint32_t fw_status[3]; 1280 uint8_t* fw_sts_ptr; 1281 int res; 1282 1283 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1284 if (!sp) 1285 return; 1286 bsg_job = sp->u.bsg_job; 1287 1288 type = NULL; 1289 switch (sp->type) { 1290 case SRB_ELS_CMD_RPT: 1291 case SRB_ELS_CMD_HST: 1292 type = "els"; 1293 break; 1294 case SRB_CT_CMD: 1295 type = "ct pass-through"; 1296 break; 1297 default: 1298 ql_dbg(ql_dbg_user, vha, 0x503e, 1299 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 1300 return; 1301 } 1302 1303 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 1304 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); 1305 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); 1306 1307 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1308 * fc payload to the caller 1309 */ 1310 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1311 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 1312 1313 if (comp_status != CS_COMPLETE) { 1314 if (comp_status == CS_DATA_UNDERRUN) { 1315 res = DID_OK << 16; 1316 bsg_job->reply->reply_payload_rcv_len = 1317 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); 1318 1319 ql_dbg(ql_dbg_user, vha, 0x503f, 1320 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1321 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 1322 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1323 le16_to_cpu(((struct els_sts_entry_24xx *) 1324 pkt)->total_byte_count)); 1325 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); 1326 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); 1327 } 1328 else { 1329 ql_dbg(ql_dbg_user, vha, 0x5040, 1330 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1331 "error subcode 1=0x%x error subcode 2=0x%x.\n", 1332 type, sp->handle, comp_status, 1333 le16_to_cpu(((struct els_sts_entry_24xx *) 1334 pkt)->error_subcode_1), 1335 le16_to_cpu(((struct els_sts_entry_24xx *) 1336 pkt)->error_subcode_2)); 1337 res = DID_ERROR << 16; 1338 bsg_job->reply->reply_payload_rcv_len = 0; 1339 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); 1340 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); 1341 } 1342 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 1343 (uint8_t *)pkt, sizeof(*pkt)); 1344 } 1345 else { 1346 res = DID_OK << 16; 1347 bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 1348 bsg_job->reply_len = 0; 1349 } 1350 1351 sp->done(vha, sp, res); 1352 } 1353 1354 static void 1355 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 1356 struct logio_entry_24xx *logio) 1357 { 1358 const char func[] = "LOGIO-IOCB"; 1359 const char *type; 1360 fc_port_t *fcport; 1361 srb_t *sp; 1362 struct srb_iocb *lio; 1363 uint16_t *data; 1364 uint32_t iop[2]; 1365 1366 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 1367 if (!sp) 1368 return; 1369 1370 lio = &sp->u.iocb_cmd; 1371 type = sp->name; 1372 fcport = sp->fcport; 1373 data = lio->u.logio.data; 1374 1375 data[0] = MBS_COMMAND_ERROR; 1376 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1377 QLA_LOGIO_LOGIN_RETRIED : 0; 1378 if (logio->entry_status) { 1379 ql_log(ql_log_warn, fcport->vha, 0x5034, 1380 "Async-%s error entry - hdl=%x" 1381 "portid=%02x%02x%02x entry-status=%x.\n", 1382 type, sp->handle, fcport->d_id.b.domain, 1383 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1384 logio->entry_status); 1385 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 1386 (uint8_t *)logio, sizeof(*logio)); 1387 1388 goto logio_done; 1389 } 1390 1391 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 1392 ql_dbg(ql_dbg_async, fcport->vha, 0x5036, 1393 "Async-%s complete - hdl=%x portid=%02x%02x%02x " 1394 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain, 1395 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1396 le32_to_cpu(logio->io_parameter[0])); 1397 1398 data[0] = MBS_COMMAND_COMPLETE; 1399 if (sp->type != SRB_LOGIN_CMD) 1400 goto logio_done; 1401 1402 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1403 if (iop[0] & BIT_4) { 1404 fcport->port_type = FCT_TARGET; 1405 if (iop[0] & BIT_8) 1406 fcport->flags |= FCF_FCP2_DEVICE; 1407 } else if (iop[0] & BIT_5) 1408 fcport->port_type = FCT_INITIATOR; 1409 1410 if (iop[0] & BIT_7) 1411 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 1412 1413 if (logio->io_parameter[7] || logio->io_parameter[8]) 1414 fcport->supported_classes |= FC_COS_CLASS2; 1415 if (logio->io_parameter[9] || logio->io_parameter[10]) 1416 fcport->supported_classes |= FC_COS_CLASS3; 1417 1418 goto logio_done; 1419 } 1420 1421 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1422 iop[1] = le32_to_cpu(logio->io_parameter[1]); 1423 switch (iop[0]) { 1424 case LSC_SCODE_PORTID_USED: 1425 data[0] = MBS_PORT_ID_USED; 1426 data[1] = LSW(iop[1]); 1427 break; 1428 case LSC_SCODE_NPORT_USED: 1429 data[0] = MBS_LOOP_ID_USED; 1430 break; 1431 default: 1432 data[0] = MBS_COMMAND_ERROR; 1433 break; 1434 } 1435 1436 ql_dbg(ql_dbg_async, fcport->vha, 0x5037, 1437 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x " 1438 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain, 1439 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1440 le16_to_cpu(logio->comp_status), 1441 le32_to_cpu(logio->io_parameter[0]), 1442 le32_to_cpu(logio->io_parameter[1])); 1443 1444 logio_done: 1445 sp->done(vha, sp, 0); 1446 } 1447 1448 static void 1449 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1450 struct tsk_mgmt_entry *tsk) 1451 { 1452 const char func[] = "TMF-IOCB"; 1453 const char *type; 1454 fc_port_t *fcport; 1455 srb_t *sp; 1456 struct srb_iocb *iocb; 1457 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1458 int error = 1; 1459 1460 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1461 if (!sp) 1462 return; 1463 1464 iocb = &sp->u.iocb_cmd; 1465 type = sp->name; 1466 fcport = sp->fcport; 1467 1468 if (sts->entry_status) { 1469 ql_log(ql_log_warn, fcport->vha, 0x5038, 1470 "Async-%s error - hdl=%x entry-status(%x).\n", 1471 type, sp->handle, sts->entry_status); 1472 } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) { 1473 ql_log(ql_log_warn, fcport->vha, 0x5039, 1474 "Async-%s error - hdl=%x completion status(%x).\n", 1475 type, sp->handle, sts->comp_status); 1476 } else if (!(le16_to_cpu(sts->scsi_status) & 1477 SS_RESPONSE_INFO_LEN_VALID)) { 1478 ql_log(ql_log_warn, fcport->vha, 0x503a, 1479 "Async-%s error - hdl=%x no response info(%x).\n", 1480 type, sp->handle, sts->scsi_status); 1481 } else if (le32_to_cpu(sts->rsp_data_len) < 4) { 1482 ql_log(ql_log_warn, fcport->vha, 0x503b, 1483 "Async-%s error - hdl=%x not enough response(%d).\n", 1484 type, sp->handle, sts->rsp_data_len); 1485 } else if (sts->data[3]) { 1486 ql_log(ql_log_warn, fcport->vha, 0x503c, 1487 "Async-%s error - hdl=%x response(%x).\n", 1488 type, sp->handle, sts->data[3]); 1489 } else { 1490 error = 0; 1491 } 1492 1493 if (error) { 1494 iocb->u.tmf.data = error; 1495 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, 1496 (uint8_t *)sts, sizeof(*sts)); 1497 } 1498 1499 sp->done(vha, sp, 0); 1500 } 1501 1502 /** 1503 * qla2x00_process_response_queue() - Process response queue entries. 1504 * @ha: SCSI driver HA context 1505 */ 1506 void 1507 qla2x00_process_response_queue(struct rsp_que *rsp) 1508 { 1509 struct scsi_qla_host *vha; 1510 struct qla_hw_data *ha = rsp->hw; 1511 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1512 sts_entry_t *pkt; 1513 uint16_t handle_cnt; 1514 uint16_t cnt; 1515 1516 vha = pci_get_drvdata(ha->pdev); 1517 1518 if (!vha->flags.online) 1519 return; 1520 1521 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 1522 pkt = (sts_entry_t *)rsp->ring_ptr; 1523 1524 rsp->ring_index++; 1525 if (rsp->ring_index == rsp->length) { 1526 rsp->ring_index = 0; 1527 rsp->ring_ptr = rsp->ring; 1528 } else { 1529 rsp->ring_ptr++; 1530 } 1531 1532 if (pkt->entry_status != 0) { 1533 qla2x00_error_entry(vha, rsp, pkt); 1534 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 1535 wmb(); 1536 continue; 1537 } 1538 1539 switch (pkt->entry_type) { 1540 case STATUS_TYPE: 1541 qla2x00_status_entry(vha, rsp, pkt); 1542 break; 1543 case STATUS_TYPE_21: 1544 handle_cnt = ((sts21_entry_t *)pkt)->handle_count; 1545 for (cnt = 0; cnt < handle_cnt; cnt++) { 1546 qla2x00_process_completed_request(vha, rsp->req, 1547 ((sts21_entry_t *)pkt)->handle[cnt]); 1548 } 1549 break; 1550 case STATUS_TYPE_22: 1551 handle_cnt = ((sts22_entry_t *)pkt)->handle_count; 1552 for (cnt = 0; cnt < handle_cnt; cnt++) { 1553 qla2x00_process_completed_request(vha, rsp->req, 1554 ((sts22_entry_t *)pkt)->handle[cnt]); 1555 } 1556 break; 1557 case STATUS_CONT_TYPE: 1558 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 1559 break; 1560 case MBX_IOCB_TYPE: 1561 qla2x00_mbx_iocb_entry(vha, rsp->req, 1562 (struct mbx_entry *)pkt); 1563 break; 1564 case CT_IOCB_TYPE: 1565 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 1566 break; 1567 default: 1568 /* Type Not Supported. */ 1569 ql_log(ql_log_warn, vha, 0x504a, 1570 "Received unknown response pkt type %x " 1571 "entry status=%x.\n", 1572 pkt->entry_type, pkt->entry_status); 1573 break; 1574 } 1575 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 1576 wmb(); 1577 } 1578 1579 /* Adjust ring index */ 1580 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 1581 } 1582 1583 static inline void 1584 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 1585 uint32_t sense_len, struct rsp_que *rsp, int res) 1586 { 1587 struct scsi_qla_host *vha = sp->fcport->vha; 1588 struct scsi_cmnd *cp = GET_CMD_SP(sp); 1589 uint32_t track_sense_len; 1590 1591 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 1592 sense_len = SCSI_SENSE_BUFFERSIZE; 1593 1594 SET_CMD_SENSE_LEN(sp, sense_len); 1595 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 1596 track_sense_len = sense_len; 1597 1598 if (sense_len > par_sense_len) 1599 sense_len = par_sense_len; 1600 1601 memcpy(cp->sense_buffer, sense_data, sense_len); 1602 1603 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 1604 track_sense_len -= sense_len; 1605 SET_CMD_SENSE_LEN(sp, track_sense_len); 1606 1607 if (track_sense_len != 0) { 1608 rsp->status_srb = sp; 1609 cp->result = res; 1610 } 1611 1612 if (sense_len) { 1613 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 1614 "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n", 1615 sp->fcport->vha->host_no, cp->device->id, cp->device->lun, 1616 cp); 1617 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 1618 cp->sense_buffer, sense_len); 1619 } 1620 } 1621 1622 struct scsi_dif_tuple { 1623 __be16 guard; /* Checksum */ 1624 __be16 app_tag; /* APPL identifier */ 1625 __be32 ref_tag; /* Target LBA or indirect LBA */ 1626 }; 1627 1628 /* 1629 * Checks the guard or meta-data for the type of error 1630 * detected by the HBA. In case of errors, we set the 1631 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 1632 * to indicate to the kernel that the HBA detected error. 1633 */ 1634 static inline int 1635 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 1636 { 1637 struct scsi_qla_host *vha = sp->fcport->vha; 1638 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 1639 uint8_t *ap = &sts24->data[12]; 1640 uint8_t *ep = &sts24->data[20]; 1641 uint32_t e_ref_tag, a_ref_tag; 1642 uint16_t e_app_tag, a_app_tag; 1643 uint16_t e_guard, a_guard; 1644 1645 /* 1646 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 1647 * would make guard field appear at offset 2 1648 */ 1649 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); 1650 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); 1651 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); 1652 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); 1653 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); 1654 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); 1655 1656 ql_dbg(ql_dbg_io, vha, 0x3023, 1657 "iocb(s) %p Returned STATUS.\n", sts24); 1658 1659 ql_dbg(ql_dbg_io, vha, 0x3024, 1660 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 1661 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 1662 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 1663 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 1664 a_app_tag, e_app_tag, a_guard, e_guard); 1665 1666 /* 1667 * Ignore sector if: 1668 * For type 3: ref & app tag is all 'f's 1669 * For type 0,1,2: app tag is all 'f's 1670 */ 1671 if ((a_app_tag == 0xffff) && 1672 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 1673 (a_ref_tag == 0xffffffff))) { 1674 uint32_t blocks_done, resid; 1675 sector_t lba_s = scsi_get_lba(cmd); 1676 1677 /* 2TB boundary case covered automatically with this */ 1678 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 1679 1680 resid = scsi_bufflen(cmd) - (blocks_done * 1681 cmd->device->sector_size); 1682 1683 scsi_set_resid(cmd, resid); 1684 cmd->result = DID_OK << 16; 1685 1686 /* Update protection tag */ 1687 if (scsi_prot_sg_count(cmd)) { 1688 uint32_t i, j = 0, k = 0, num_ent; 1689 struct scatterlist *sg; 1690 struct sd_dif_tuple *spt; 1691 1692 /* Patch the corresponding protection tags */ 1693 scsi_for_each_prot_sg(cmd, sg, 1694 scsi_prot_sg_count(cmd), i) { 1695 num_ent = sg_dma_len(sg) / 8; 1696 if (k + num_ent < blocks_done) { 1697 k += num_ent; 1698 continue; 1699 } 1700 j = blocks_done - k - 1; 1701 k = blocks_done; 1702 break; 1703 } 1704 1705 if (k != blocks_done) { 1706 ql_log(ql_log_warn, vha, 0x302f, 1707 "unexpected tag values tag:lba=%x:%llx)\n", 1708 e_ref_tag, (unsigned long long)lba_s); 1709 return 1; 1710 } 1711 1712 spt = page_address(sg_page(sg)) + sg->offset; 1713 spt += j; 1714 1715 spt->app_tag = 0xffff; 1716 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 1717 spt->ref_tag = 0xffffffff; 1718 } 1719 1720 return 0; 1721 } 1722 1723 /* check guard */ 1724 if (e_guard != a_guard) { 1725 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 1726 0x10, 0x1); 1727 set_driver_byte(cmd, DRIVER_SENSE); 1728 set_host_byte(cmd, DID_ABORT); 1729 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 1730 return 1; 1731 } 1732 1733 /* check ref tag */ 1734 if (e_ref_tag != a_ref_tag) { 1735 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 1736 0x10, 0x3); 1737 set_driver_byte(cmd, DRIVER_SENSE); 1738 set_host_byte(cmd, DID_ABORT); 1739 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 1740 return 1; 1741 } 1742 1743 /* check appl tag */ 1744 if (e_app_tag != a_app_tag) { 1745 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 1746 0x10, 0x2); 1747 set_driver_byte(cmd, DRIVER_SENSE); 1748 set_host_byte(cmd, DID_ABORT); 1749 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 1750 return 1; 1751 } 1752 1753 return 1; 1754 } 1755 1756 static void 1757 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 1758 struct req_que *req, uint32_t index) 1759 { 1760 struct qla_hw_data *ha = vha->hw; 1761 srb_t *sp; 1762 uint16_t comp_status; 1763 uint16_t scsi_status; 1764 uint16_t thread_id; 1765 uint32_t rval = EXT_STATUS_OK; 1766 struct fc_bsg_job *bsg_job = NULL; 1767 sts_entry_t *sts; 1768 struct sts_entry_24xx *sts24; 1769 sts = (sts_entry_t *) pkt; 1770 sts24 = (struct sts_entry_24xx *) pkt; 1771 1772 /* Validate handle. */ 1773 if (index >= req->num_outstanding_cmds) { 1774 ql_log(ql_log_warn, vha, 0x70af, 1775 "Invalid SCSI completion handle 0x%x.\n", index); 1776 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1777 return; 1778 } 1779 1780 sp = req->outstanding_cmds[index]; 1781 if (sp) { 1782 /* Free outstanding command slot. */ 1783 req->outstanding_cmds[index] = NULL; 1784 bsg_job = sp->u.bsg_job; 1785 } else { 1786 ql_log(ql_log_warn, vha, 0x70b0, 1787 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 1788 req->id, index); 1789 1790 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1791 return; 1792 } 1793 1794 if (IS_FWI2_CAPABLE(ha)) { 1795 comp_status = le16_to_cpu(sts24->comp_status); 1796 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 1797 } else { 1798 comp_status = le16_to_cpu(sts->comp_status); 1799 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 1800 } 1801 1802 thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1]; 1803 switch (comp_status) { 1804 case CS_COMPLETE: 1805 if (scsi_status == 0) { 1806 bsg_job->reply->reply_payload_rcv_len = 1807 bsg_job->reply_payload.payload_len; 1808 rval = EXT_STATUS_OK; 1809 } 1810 goto done; 1811 1812 case CS_DATA_OVERRUN: 1813 ql_dbg(ql_dbg_user, vha, 0x70b1, 1814 "Command completed with date overrun thread_id=%d\n", 1815 thread_id); 1816 rval = EXT_STATUS_DATA_OVERRUN; 1817 break; 1818 1819 case CS_DATA_UNDERRUN: 1820 ql_dbg(ql_dbg_user, vha, 0x70b2, 1821 "Command completed with date underrun thread_id=%d\n", 1822 thread_id); 1823 rval = EXT_STATUS_DATA_UNDERRUN; 1824 break; 1825 case CS_BIDIR_RD_OVERRUN: 1826 ql_dbg(ql_dbg_user, vha, 0x70b3, 1827 "Command completed with read data overrun thread_id=%d\n", 1828 thread_id); 1829 rval = EXT_STATUS_DATA_OVERRUN; 1830 break; 1831 1832 case CS_BIDIR_RD_WR_OVERRUN: 1833 ql_dbg(ql_dbg_user, vha, 0x70b4, 1834 "Command completed with read and write data overrun " 1835 "thread_id=%d\n", thread_id); 1836 rval = EXT_STATUS_DATA_OVERRUN; 1837 break; 1838 1839 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 1840 ql_dbg(ql_dbg_user, vha, 0x70b5, 1841 "Command completed with read data over and write data " 1842 "underrun thread_id=%d\n", thread_id); 1843 rval = EXT_STATUS_DATA_OVERRUN; 1844 break; 1845 1846 case CS_BIDIR_RD_UNDERRUN: 1847 ql_dbg(ql_dbg_user, vha, 0x70b6, 1848 "Command completed with read data data underrun " 1849 "thread_id=%d\n", thread_id); 1850 rval = EXT_STATUS_DATA_UNDERRUN; 1851 break; 1852 1853 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 1854 ql_dbg(ql_dbg_user, vha, 0x70b7, 1855 "Command completed with read data under and write data " 1856 "overrun thread_id=%d\n", thread_id); 1857 rval = EXT_STATUS_DATA_UNDERRUN; 1858 break; 1859 1860 case CS_BIDIR_RD_WR_UNDERRUN: 1861 ql_dbg(ql_dbg_user, vha, 0x70b8, 1862 "Command completed with read and write data underrun " 1863 "thread_id=%d\n", thread_id); 1864 rval = EXT_STATUS_DATA_UNDERRUN; 1865 break; 1866 1867 case CS_BIDIR_DMA: 1868 ql_dbg(ql_dbg_user, vha, 0x70b9, 1869 "Command completed with data DMA error thread_id=%d\n", 1870 thread_id); 1871 rval = EXT_STATUS_DMA_ERR; 1872 break; 1873 1874 case CS_TIMEOUT: 1875 ql_dbg(ql_dbg_user, vha, 0x70ba, 1876 "Command completed with timeout thread_id=%d\n", 1877 thread_id); 1878 rval = EXT_STATUS_TIMEOUT; 1879 break; 1880 default: 1881 ql_dbg(ql_dbg_user, vha, 0x70bb, 1882 "Command completed with completion status=0x%x " 1883 "thread_id=%d\n", comp_status, thread_id); 1884 rval = EXT_STATUS_ERR; 1885 break; 1886 } 1887 bsg_job->reply->reply_payload_rcv_len = 0; 1888 1889 done: 1890 /* Return the vendor specific reply to API */ 1891 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 1892 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1893 /* Always return DID_OK, bsg will send the vendor specific response 1894 * in this case only */ 1895 sp->done(vha, sp, (DID_OK << 6)); 1896 1897 } 1898 1899 /** 1900 * qla2x00_status_entry() - Process a Status IOCB entry. 1901 * @ha: SCSI driver HA context 1902 * @pkt: Entry pointer 1903 */ 1904 static void 1905 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 1906 { 1907 srb_t *sp; 1908 fc_port_t *fcport; 1909 struct scsi_cmnd *cp; 1910 sts_entry_t *sts; 1911 struct sts_entry_24xx *sts24; 1912 uint16_t comp_status; 1913 uint16_t scsi_status; 1914 uint16_t ox_id; 1915 uint8_t lscsi_status; 1916 int32_t resid; 1917 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 1918 fw_resid_len; 1919 uint8_t *rsp_info, *sense_data; 1920 struct qla_hw_data *ha = vha->hw; 1921 uint32_t handle; 1922 uint16_t que; 1923 struct req_que *req; 1924 int logit = 1; 1925 int res = 0; 1926 uint16_t state_flags = 0; 1927 1928 sts = (sts_entry_t *) pkt; 1929 sts24 = (struct sts_entry_24xx *) pkt; 1930 if (IS_FWI2_CAPABLE(ha)) { 1931 comp_status = le16_to_cpu(sts24->comp_status); 1932 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 1933 state_flags = le16_to_cpu(sts24->state_flags); 1934 } else { 1935 comp_status = le16_to_cpu(sts->comp_status); 1936 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 1937 } 1938 handle = (uint32_t) LSW(sts->handle); 1939 que = MSW(sts->handle); 1940 req = ha->req_q_map[que]; 1941 1942 /* Validate handle. */ 1943 if (handle < req->num_outstanding_cmds) 1944 sp = req->outstanding_cmds[handle]; 1945 else 1946 sp = NULL; 1947 1948 if (sp == NULL) { 1949 ql_dbg(ql_dbg_io, vha, 0x3017, 1950 "Invalid status handle (0x%x).\n", sts->handle); 1951 1952 if (IS_QLA82XX(ha)) 1953 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1954 else 1955 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1956 qla2xxx_wake_dpc(vha); 1957 return; 1958 } 1959 1960 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 1961 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 1962 return; 1963 } 1964 1965 /* Fast path completion. */ 1966 if (comp_status == CS_COMPLETE && scsi_status == 0) { 1967 qla2x00_do_host_ramp_up(vha); 1968 qla2x00_process_completed_request(vha, req, handle); 1969 1970 return; 1971 } 1972 1973 req->outstanding_cmds[handle] = NULL; 1974 cp = GET_CMD_SP(sp); 1975 if (cp == NULL) { 1976 ql_dbg(ql_dbg_io, vha, 0x3018, 1977 "Command already returned (0x%x/%p).\n", 1978 sts->handle, sp); 1979 1980 return; 1981 } 1982 1983 lscsi_status = scsi_status & STATUS_MASK; 1984 1985 fcport = sp->fcport; 1986 1987 ox_id = 0; 1988 sense_len = par_sense_len = rsp_info_len = resid_len = 1989 fw_resid_len = 0; 1990 if (IS_FWI2_CAPABLE(ha)) { 1991 if (scsi_status & SS_SENSE_LEN_VALID) 1992 sense_len = le32_to_cpu(sts24->sense_len); 1993 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 1994 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 1995 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 1996 resid_len = le32_to_cpu(sts24->rsp_residual_count); 1997 if (comp_status == CS_DATA_UNDERRUN) 1998 fw_resid_len = le32_to_cpu(sts24->residual_len); 1999 rsp_info = sts24->data; 2000 sense_data = sts24->data; 2001 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 2002 ox_id = le16_to_cpu(sts24->ox_id); 2003 par_sense_len = sizeof(sts24->data); 2004 } else { 2005 if (scsi_status & SS_SENSE_LEN_VALID) 2006 sense_len = le16_to_cpu(sts->req_sense_length); 2007 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 2008 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 2009 resid_len = le32_to_cpu(sts->residual_length); 2010 rsp_info = sts->rsp_info; 2011 sense_data = sts->req_sense_data; 2012 par_sense_len = sizeof(sts->req_sense_data); 2013 } 2014 2015 /* Check for any FCP transport errors. */ 2016 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 2017 /* Sense data lies beyond any FCP RESPONSE data. */ 2018 if (IS_FWI2_CAPABLE(ha)) { 2019 sense_data += rsp_info_len; 2020 par_sense_len -= rsp_info_len; 2021 } 2022 if (rsp_info_len > 3 && rsp_info[3]) { 2023 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 2024 "FCP I/O protocol failure (0x%x/0x%x).\n", 2025 rsp_info_len, rsp_info[3]); 2026 2027 res = DID_BUS_BUSY << 16; 2028 goto out; 2029 } 2030 } 2031 2032 /* Check for overrun. */ 2033 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2034 scsi_status & SS_RESIDUAL_OVER) 2035 comp_status = CS_DATA_OVERRUN; 2036 2037 /* 2038 * Based on Host and scsi status generate status code for Linux 2039 */ 2040 switch (comp_status) { 2041 case CS_COMPLETE: 2042 case CS_QUEUE_FULL: 2043 if (scsi_status == 0) { 2044 res = DID_OK << 16; 2045 break; 2046 } 2047 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2048 resid = resid_len; 2049 scsi_set_resid(cp, resid); 2050 2051 if (!lscsi_status && 2052 ((unsigned)(scsi_bufflen(cp) - resid) < 2053 cp->underflow)) { 2054 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2055 "Mid-layer underflow " 2056 "detected (0x%x of 0x%x bytes).\n", 2057 resid, scsi_bufflen(cp)); 2058 2059 res = DID_ERROR << 16; 2060 break; 2061 } 2062 } 2063 res = DID_OK << 16 | lscsi_status; 2064 2065 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2066 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2067 "QUEUE FULL detected.\n"); 2068 break; 2069 } 2070 logit = 0; 2071 if (lscsi_status != SS_CHECK_CONDITION) 2072 break; 2073 2074 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2075 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2076 break; 2077 2078 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2079 rsp, res); 2080 break; 2081 2082 case CS_DATA_UNDERRUN: 2083 /* Use F/W calculated residual length. */ 2084 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2085 scsi_set_resid(cp, resid); 2086 if (scsi_status & SS_RESIDUAL_UNDER) { 2087 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2088 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2089 "Dropped frame(s) detected " 2090 "(0x%x of 0x%x bytes).\n", 2091 resid, scsi_bufflen(cp)); 2092 2093 res = DID_ERROR << 16 | lscsi_status; 2094 goto check_scsi_status; 2095 } 2096 2097 if (!lscsi_status && 2098 ((unsigned)(scsi_bufflen(cp) - resid) < 2099 cp->underflow)) { 2100 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2101 "Mid-layer underflow " 2102 "detected (0x%x of 0x%x bytes).\n", 2103 resid, scsi_bufflen(cp)); 2104 2105 res = DID_ERROR << 16; 2106 break; 2107 } 2108 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2109 lscsi_status != SAM_STAT_BUSY) { 2110 /* 2111 * scsi status of task set and busy are considered to be 2112 * task not completed. 2113 */ 2114 2115 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2116 "Dropped frame(s) detected (0x%x " 2117 "of 0x%x bytes).\n", resid, 2118 scsi_bufflen(cp)); 2119 2120 res = DID_ERROR << 16 | lscsi_status; 2121 goto check_scsi_status; 2122 } else { 2123 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2124 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2125 scsi_status, lscsi_status); 2126 } 2127 2128 res = DID_OK << 16 | lscsi_status; 2129 logit = 0; 2130 2131 check_scsi_status: 2132 /* 2133 * Check to see if SCSI Status is non zero. If so report SCSI 2134 * Status. 2135 */ 2136 if (lscsi_status != 0) { 2137 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2138 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2139 "QUEUE FULL detected.\n"); 2140 logit = 1; 2141 break; 2142 } 2143 if (lscsi_status != SS_CHECK_CONDITION) 2144 break; 2145 2146 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2147 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2148 break; 2149 2150 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2151 sense_len, rsp, res); 2152 } 2153 break; 2154 2155 case CS_PORT_LOGGED_OUT: 2156 case CS_PORT_CONFIG_CHG: 2157 case CS_PORT_BUSY: 2158 case CS_INCOMPLETE: 2159 case CS_PORT_UNAVAILABLE: 2160 case CS_TIMEOUT: 2161 case CS_RESET: 2162 2163 /* 2164 * We are going to have the fc class block the rport 2165 * while we try to recover so instruct the mid layer 2166 * to requeue until the class decides how to handle this. 2167 */ 2168 res = DID_TRANSPORT_DISRUPTED << 16; 2169 2170 if (comp_status == CS_TIMEOUT) { 2171 if (IS_FWI2_CAPABLE(ha)) 2172 break; 2173 else if ((le16_to_cpu(sts->status_flags) & 2174 SF_LOGOUT_SENT) == 0) 2175 break; 2176 } 2177 2178 ql_dbg(ql_dbg_io, fcport->vha, 0x3021, 2179 "Port down status: port-state=0x%x.\n", 2180 atomic_read(&fcport->state)); 2181 2182 if (atomic_read(&fcport->state) == FCS_ONLINE) 2183 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 2184 break; 2185 2186 case CS_ABORTED: 2187 res = DID_RESET << 16; 2188 break; 2189 2190 case CS_DIF_ERROR: 2191 logit = qla2x00_handle_dif_error(sp, sts24); 2192 res = cp->result; 2193 break; 2194 2195 case CS_TRANSPORT: 2196 res = DID_ERROR << 16; 2197 2198 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2199 break; 2200 2201 if (state_flags & BIT_4) 2202 scmd_printk(KERN_WARNING, cp, 2203 "Unsupported device '%s' found.\n", 2204 cp->device->vendor); 2205 break; 2206 2207 default: 2208 res = DID_ERROR << 16; 2209 break; 2210 } 2211 2212 out: 2213 if (logit) 2214 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 2215 "FCP command status: 0x%x-0x%x (0x%x) " 2216 "nexus=%ld:%d:%d portid=%02x%02x%02x oxid=0x%x " 2217 "cdb=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x len=0x%x " 2218 "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n", 2219 comp_status, scsi_status, res, vha->host_no, 2220 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 2221 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 2222 cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], 2223 cp->cmnd[4], cp->cmnd[5], cp->cmnd[6], cp->cmnd[7], 2224 cp->cmnd[8], cp->cmnd[9], scsi_bufflen(cp), rsp_info_len, 2225 resid_len, fw_resid_len); 2226 2227 if (!res) 2228 qla2x00_do_host_ramp_up(vha); 2229 2230 if (rsp->status_srb == NULL) 2231 sp->done(ha, sp, res); 2232 } 2233 2234 /** 2235 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 2236 * @ha: SCSI driver HA context 2237 * @pkt: Entry pointer 2238 * 2239 * Extended sense data. 2240 */ 2241 static void 2242 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2243 { 2244 uint8_t sense_sz = 0; 2245 struct qla_hw_data *ha = rsp->hw; 2246 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2247 srb_t *sp = rsp->status_srb; 2248 struct scsi_cmnd *cp; 2249 uint32_t sense_len; 2250 uint8_t *sense_ptr; 2251 2252 if (!sp || !GET_CMD_SENSE_LEN(sp)) 2253 return; 2254 2255 sense_len = GET_CMD_SENSE_LEN(sp); 2256 sense_ptr = GET_CMD_SENSE_PTR(sp); 2257 2258 cp = GET_CMD_SP(sp); 2259 if (cp == NULL) { 2260 ql_log(ql_log_warn, vha, 0x3025, 2261 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2262 2263 rsp->status_srb = NULL; 2264 return; 2265 } 2266 2267 if (sense_len > sizeof(pkt->data)) 2268 sense_sz = sizeof(pkt->data); 2269 else 2270 sense_sz = sense_len; 2271 2272 /* Move sense data. */ 2273 if (IS_FWI2_CAPABLE(ha)) 2274 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 2275 memcpy(sense_ptr, pkt->data, sense_sz); 2276 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 2277 sense_ptr, sense_sz); 2278 2279 sense_len -= sense_sz; 2280 sense_ptr += sense_sz; 2281 2282 SET_CMD_SENSE_PTR(sp, sense_ptr); 2283 SET_CMD_SENSE_LEN(sp, sense_len); 2284 2285 /* Place command on done queue. */ 2286 if (sense_len == 0) { 2287 rsp->status_srb = NULL; 2288 sp->done(ha, sp, cp->result); 2289 } 2290 } 2291 2292 /** 2293 * qla2x00_error_entry() - Process an error entry. 2294 * @ha: SCSI driver HA context 2295 * @pkt: Entry pointer 2296 */ 2297 static void 2298 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 2299 { 2300 srb_t *sp; 2301 struct qla_hw_data *ha = vha->hw; 2302 const char func[] = "ERROR-IOCB"; 2303 uint16_t que = MSW(pkt->handle); 2304 struct req_que *req = NULL; 2305 int res = DID_ERROR << 16; 2306 2307 ql_dbg(ql_dbg_async, vha, 0x502a, 2308 "type of error status in response: 0x%x\n", pkt->entry_status); 2309 2310 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 2311 goto fatal; 2312 2313 req = ha->req_q_map[que]; 2314 2315 if (pkt->entry_status & RF_BUSY) 2316 res = DID_BUS_BUSY << 16; 2317 2318 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2319 if (sp) { 2320 sp->done(ha, sp, res); 2321 return; 2322 } 2323 fatal: 2324 ql_log(ql_log_warn, vha, 0x5030, 2325 "Error entry - invalid handle/queue.\n"); 2326 2327 if (IS_QLA82XX(ha)) 2328 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2329 else 2330 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2331 qla2xxx_wake_dpc(vha); 2332 } 2333 2334 /** 2335 * qla24xx_mbx_completion() - Process mailbox command completions. 2336 * @ha: SCSI driver HA context 2337 * @mb0: Mailbox0 register 2338 */ 2339 static void 2340 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2341 { 2342 uint16_t cnt; 2343 uint32_t mboxes; 2344 uint16_t __iomem *wptr; 2345 struct qla_hw_data *ha = vha->hw; 2346 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2347 2348 /* Read all mbox registers? */ 2349 mboxes = (1 << ha->mbx_count) - 1; 2350 if (!ha->mcp) 2351 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); 2352 else 2353 mboxes = ha->mcp->in_mb; 2354 2355 /* Load return mailbox registers. */ 2356 ha->flags.mbox_int = 1; 2357 ha->mailbox_out[0] = mb0; 2358 mboxes >>= 1; 2359 wptr = (uint16_t __iomem *)®->mailbox1; 2360 2361 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2362 if (mboxes & BIT_0) 2363 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2364 2365 mboxes >>= 1; 2366 wptr++; 2367 } 2368 } 2369 2370 /** 2371 * qla24xx_process_response_queue() - Process response queue entries. 2372 * @ha: SCSI driver HA context 2373 */ 2374 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 2375 struct rsp_que *rsp) 2376 { 2377 struct sts_entry_24xx *pkt; 2378 struct qla_hw_data *ha = vha->hw; 2379 2380 if (!vha->flags.online) 2381 return; 2382 2383 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2384 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 2385 2386 rsp->ring_index++; 2387 if (rsp->ring_index == rsp->length) { 2388 rsp->ring_index = 0; 2389 rsp->ring_ptr = rsp->ring; 2390 } else { 2391 rsp->ring_ptr++; 2392 } 2393 2394 if (pkt->entry_status != 0) { 2395 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); 2396 2397 (void)qlt_24xx_process_response_error(vha, pkt); 2398 2399 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2400 wmb(); 2401 continue; 2402 } 2403 2404 switch (pkt->entry_type) { 2405 case STATUS_TYPE: 2406 qla2x00_status_entry(vha, rsp, pkt); 2407 break; 2408 case STATUS_CONT_TYPE: 2409 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2410 break; 2411 case VP_RPT_ID_IOCB_TYPE: 2412 qla24xx_report_id_acquisition(vha, 2413 (struct vp_rpt_id_entry_24xx *)pkt); 2414 break; 2415 case LOGINOUT_PORT_IOCB_TYPE: 2416 qla24xx_logio_entry(vha, rsp->req, 2417 (struct logio_entry_24xx *)pkt); 2418 break; 2419 case TSK_MGMT_IOCB_TYPE: 2420 qla24xx_tm_iocb_entry(vha, rsp->req, 2421 (struct tsk_mgmt_entry *)pkt); 2422 break; 2423 case CT_IOCB_TYPE: 2424 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2425 break; 2426 case ELS_IOCB_TYPE: 2427 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 2428 break; 2429 case ABTS_RECV_24XX: 2430 /* ensure that the ATIO queue is empty */ 2431 qlt_24xx_process_atio_queue(vha); 2432 case ABTS_RESP_24XX: 2433 case CTIO_TYPE7: 2434 case NOTIFY_ACK_TYPE: 2435 qlt_response_pkt_all_vps(vha, (response_t *)pkt); 2436 break; 2437 case MARKER_TYPE: 2438 /* Do nothing in this case, this check is to prevent it 2439 * from falling into default case 2440 */ 2441 break; 2442 default: 2443 /* Type Not Supported. */ 2444 ql_dbg(ql_dbg_async, vha, 0x5042, 2445 "Received unknown response pkt type %x " 2446 "entry status=%x.\n", 2447 pkt->entry_type, pkt->entry_status); 2448 break; 2449 } 2450 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2451 wmb(); 2452 } 2453 2454 /* Adjust ring index */ 2455 if (IS_QLA82XX(ha)) { 2456 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 2457 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 2458 } else 2459 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 2460 } 2461 2462 static void 2463 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 2464 { 2465 int rval; 2466 uint32_t cnt; 2467 struct qla_hw_data *ha = vha->hw; 2468 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2469 2470 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha)) 2471 return; 2472 2473 rval = QLA_SUCCESS; 2474 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 2475 RD_REG_DWORD(®->iobase_addr); 2476 WRT_REG_DWORD(®->iobase_window, 0x0001); 2477 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 2478 rval == QLA_SUCCESS; cnt--) { 2479 if (cnt) { 2480 WRT_REG_DWORD(®->iobase_window, 0x0001); 2481 udelay(10); 2482 } else 2483 rval = QLA_FUNCTION_TIMEOUT; 2484 } 2485 if (rval == QLA_SUCCESS) 2486 goto next_test; 2487 2488 rval = QLA_SUCCESS; 2489 WRT_REG_DWORD(®->iobase_window, 0x0003); 2490 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 2491 rval == QLA_SUCCESS; cnt--) { 2492 if (cnt) { 2493 WRT_REG_DWORD(®->iobase_window, 0x0003); 2494 udelay(10); 2495 } else 2496 rval = QLA_FUNCTION_TIMEOUT; 2497 } 2498 if (rval != QLA_SUCCESS) 2499 goto done; 2500 2501 next_test: 2502 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 2503 ql_log(ql_log_info, vha, 0x504c, 2504 "Additional code -- 0x55AA.\n"); 2505 2506 done: 2507 WRT_REG_DWORD(®->iobase_window, 0x0000); 2508 RD_REG_DWORD(®->iobase_window); 2509 } 2510 2511 /** 2512 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 2513 * @irq: 2514 * @dev_id: SCSI driver HA context 2515 * 2516 * Called by system whenever the host adapter generates an interrupt. 2517 * 2518 * Returns handled flag. 2519 */ 2520 irqreturn_t 2521 qla24xx_intr_handler(int irq, void *dev_id) 2522 { 2523 scsi_qla_host_t *vha; 2524 struct qla_hw_data *ha; 2525 struct device_reg_24xx __iomem *reg; 2526 int status; 2527 unsigned long iter; 2528 uint32_t stat; 2529 uint32_t hccr; 2530 uint16_t mb[8]; 2531 struct rsp_que *rsp; 2532 unsigned long flags; 2533 2534 rsp = (struct rsp_que *) dev_id; 2535 if (!rsp) { 2536 ql_log(ql_log_info, NULL, 0x5059, 2537 "%s: NULL response queue pointer.\n", __func__); 2538 return IRQ_NONE; 2539 } 2540 2541 ha = rsp->hw; 2542 reg = &ha->iobase->isp24; 2543 status = 0; 2544 2545 if (unlikely(pci_channel_offline(ha->pdev))) 2546 return IRQ_HANDLED; 2547 2548 spin_lock_irqsave(&ha->hardware_lock, flags); 2549 vha = pci_get_drvdata(ha->pdev); 2550 for (iter = 50; iter--; ) { 2551 stat = RD_REG_DWORD(®->host_status); 2552 if (stat & HSRX_RISC_PAUSED) { 2553 if (unlikely(pci_channel_offline(ha->pdev))) 2554 break; 2555 2556 hccr = RD_REG_DWORD(®->hccr); 2557 2558 ql_log(ql_log_warn, vha, 0x504b, 2559 "RISC paused -- HCCR=%x, Dumping firmware.\n", 2560 hccr); 2561 2562 qla2xxx_check_risc_status(vha); 2563 2564 ha->isp_ops->fw_dump(vha, 1); 2565 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2566 break; 2567 } else if ((stat & HSRX_RISC_INT) == 0) 2568 break; 2569 2570 switch (stat & 0xff) { 2571 case INTR_ROM_MB_SUCCESS: 2572 case INTR_ROM_MB_FAILED: 2573 case INTR_MB_SUCCESS: 2574 case INTR_MB_FAILED: 2575 qla24xx_mbx_completion(vha, MSW(stat)); 2576 status |= MBX_INTERRUPT; 2577 2578 break; 2579 case INTR_ASYNC_EVENT: 2580 mb[0] = MSW(stat); 2581 mb[1] = RD_REG_WORD(®->mailbox1); 2582 mb[2] = RD_REG_WORD(®->mailbox2); 2583 mb[3] = RD_REG_WORD(®->mailbox3); 2584 qla2x00_async_event(vha, rsp, mb); 2585 break; 2586 case INTR_RSP_QUE_UPDATE: 2587 case INTR_RSP_QUE_UPDATE_83XX: 2588 qla24xx_process_response_queue(vha, rsp); 2589 break; 2590 case INTR_ATIO_QUE_UPDATE: 2591 qlt_24xx_process_atio_queue(vha); 2592 break; 2593 case INTR_ATIO_RSP_QUE_UPDATE: 2594 qlt_24xx_process_atio_queue(vha); 2595 qla24xx_process_response_queue(vha, rsp); 2596 break; 2597 default: 2598 ql_dbg(ql_dbg_async, vha, 0x504f, 2599 "Unrecognized interrupt type (%d).\n", stat * 0xff); 2600 break; 2601 } 2602 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2603 RD_REG_DWORD_RELAXED(®->hccr); 2604 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 2605 ndelay(3500); 2606 } 2607 qla2x00_handle_mbx_completion(ha, status); 2608 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2609 2610 return IRQ_HANDLED; 2611 } 2612 2613 static irqreturn_t 2614 qla24xx_msix_rsp_q(int irq, void *dev_id) 2615 { 2616 struct qla_hw_data *ha; 2617 struct rsp_que *rsp; 2618 struct device_reg_24xx __iomem *reg; 2619 struct scsi_qla_host *vha; 2620 unsigned long flags; 2621 2622 rsp = (struct rsp_que *) dev_id; 2623 if (!rsp) { 2624 ql_log(ql_log_info, NULL, 0x505a, 2625 "%s: NULL response queue pointer.\n", __func__); 2626 return IRQ_NONE; 2627 } 2628 ha = rsp->hw; 2629 reg = &ha->iobase->isp24; 2630 2631 spin_lock_irqsave(&ha->hardware_lock, flags); 2632 2633 vha = pci_get_drvdata(ha->pdev); 2634 qla24xx_process_response_queue(vha, rsp); 2635 if (!ha->flags.disable_msix_handshake) { 2636 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2637 RD_REG_DWORD_RELAXED(®->hccr); 2638 } 2639 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2640 2641 return IRQ_HANDLED; 2642 } 2643 2644 static irqreturn_t 2645 qla25xx_msix_rsp_q(int irq, void *dev_id) 2646 { 2647 struct qla_hw_data *ha; 2648 struct rsp_que *rsp; 2649 struct device_reg_24xx __iomem *reg; 2650 unsigned long flags; 2651 2652 rsp = (struct rsp_que *) dev_id; 2653 if (!rsp) { 2654 ql_log(ql_log_info, NULL, 0x505b, 2655 "%s: NULL response queue pointer.\n", __func__); 2656 return IRQ_NONE; 2657 } 2658 ha = rsp->hw; 2659 2660 /* Clear the interrupt, if enabled, for this response queue */ 2661 if (!ha->flags.disable_msix_handshake) { 2662 reg = &ha->iobase->isp24; 2663 spin_lock_irqsave(&ha->hardware_lock, flags); 2664 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2665 RD_REG_DWORD_RELAXED(®->hccr); 2666 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2667 } 2668 queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); 2669 2670 return IRQ_HANDLED; 2671 } 2672 2673 static irqreturn_t 2674 qla24xx_msix_default(int irq, void *dev_id) 2675 { 2676 scsi_qla_host_t *vha; 2677 struct qla_hw_data *ha; 2678 struct rsp_que *rsp; 2679 struct device_reg_24xx __iomem *reg; 2680 int status; 2681 uint32_t stat; 2682 uint32_t hccr; 2683 uint16_t mb[8]; 2684 unsigned long flags; 2685 2686 rsp = (struct rsp_que *) dev_id; 2687 if (!rsp) { 2688 ql_log(ql_log_info, NULL, 0x505c, 2689 "%s: NULL response queue pointer.\n", __func__); 2690 return IRQ_NONE; 2691 } 2692 ha = rsp->hw; 2693 reg = &ha->iobase->isp24; 2694 status = 0; 2695 2696 spin_lock_irqsave(&ha->hardware_lock, flags); 2697 vha = pci_get_drvdata(ha->pdev); 2698 do { 2699 stat = RD_REG_DWORD(®->host_status); 2700 if (stat & HSRX_RISC_PAUSED) { 2701 if (unlikely(pci_channel_offline(ha->pdev))) 2702 break; 2703 2704 hccr = RD_REG_DWORD(®->hccr); 2705 2706 ql_log(ql_log_info, vha, 0x5050, 2707 "RISC paused -- HCCR=%x, Dumping firmware.\n", 2708 hccr); 2709 2710 qla2xxx_check_risc_status(vha); 2711 2712 ha->isp_ops->fw_dump(vha, 1); 2713 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2714 break; 2715 } else if ((stat & HSRX_RISC_INT) == 0) 2716 break; 2717 2718 switch (stat & 0xff) { 2719 case INTR_ROM_MB_SUCCESS: 2720 case INTR_ROM_MB_FAILED: 2721 case INTR_MB_SUCCESS: 2722 case INTR_MB_FAILED: 2723 qla24xx_mbx_completion(vha, MSW(stat)); 2724 status |= MBX_INTERRUPT; 2725 2726 break; 2727 case INTR_ASYNC_EVENT: 2728 mb[0] = MSW(stat); 2729 mb[1] = RD_REG_WORD(®->mailbox1); 2730 mb[2] = RD_REG_WORD(®->mailbox2); 2731 mb[3] = RD_REG_WORD(®->mailbox3); 2732 qla2x00_async_event(vha, rsp, mb); 2733 break; 2734 case INTR_RSP_QUE_UPDATE: 2735 case INTR_RSP_QUE_UPDATE_83XX: 2736 qla24xx_process_response_queue(vha, rsp); 2737 break; 2738 case INTR_ATIO_QUE_UPDATE: 2739 qlt_24xx_process_atio_queue(vha); 2740 break; 2741 case INTR_ATIO_RSP_QUE_UPDATE: 2742 qlt_24xx_process_atio_queue(vha); 2743 qla24xx_process_response_queue(vha, rsp); 2744 break; 2745 default: 2746 ql_dbg(ql_dbg_async, vha, 0x5051, 2747 "Unrecognized interrupt type (%d).\n", stat & 0xff); 2748 break; 2749 } 2750 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2751 } while (0); 2752 qla2x00_handle_mbx_completion(ha, status); 2753 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2754 2755 return IRQ_HANDLED; 2756 } 2757 2758 /* Interrupt handling helpers. */ 2759 2760 struct qla_init_msix_entry { 2761 const char *name; 2762 irq_handler_t handler; 2763 }; 2764 2765 static struct qla_init_msix_entry msix_entries[3] = { 2766 { "qla2xxx (default)", qla24xx_msix_default }, 2767 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, 2768 { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, 2769 }; 2770 2771 static struct qla_init_msix_entry qla82xx_msix_entries[2] = { 2772 { "qla2xxx (default)", qla82xx_msix_default }, 2773 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 2774 }; 2775 2776 static struct qla_init_msix_entry qla83xx_msix_entries[3] = { 2777 { "qla2xxx (default)", qla24xx_msix_default }, 2778 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, 2779 { "qla2xxx (atio_q)", qla83xx_msix_atio_q }, 2780 }; 2781 2782 static void 2783 qla24xx_disable_msix(struct qla_hw_data *ha) 2784 { 2785 int i; 2786 struct qla_msix_entry *qentry; 2787 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2788 2789 for (i = 0; i < ha->msix_count; i++) { 2790 qentry = &ha->msix_entries[i]; 2791 if (qentry->have_irq) 2792 free_irq(qentry->vector, qentry->rsp); 2793 } 2794 pci_disable_msix(ha->pdev); 2795 kfree(ha->msix_entries); 2796 ha->msix_entries = NULL; 2797 ha->flags.msix_enabled = 0; 2798 ql_dbg(ql_dbg_init, vha, 0x0042, 2799 "Disabled the MSI.\n"); 2800 } 2801 2802 static int 2803 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 2804 { 2805 #define MIN_MSIX_COUNT 2 2806 int i, ret; 2807 struct msix_entry *entries; 2808 struct qla_msix_entry *qentry; 2809 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2810 2811 entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, 2812 GFP_KERNEL); 2813 if (!entries) { 2814 ql_log(ql_log_warn, vha, 0x00bc, 2815 "Failed to allocate memory for msix_entry.\n"); 2816 return -ENOMEM; 2817 } 2818 2819 for (i = 0; i < ha->msix_count; i++) 2820 entries[i].entry = i; 2821 2822 ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); 2823 if (ret) { 2824 if (ret < MIN_MSIX_COUNT) 2825 goto msix_failed; 2826 2827 ql_log(ql_log_warn, vha, 0x00c6, 2828 "MSI-X: Failed to enable support " 2829 "-- %d/%d\n Retry with %d vectors.\n", 2830 ha->msix_count, ret, ret); 2831 ha->msix_count = ret; 2832 ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); 2833 if (ret) { 2834 msix_failed: 2835 ql_log(ql_log_fatal, vha, 0x00c7, 2836 "MSI-X: Failed to enable support, " 2837 "giving up -- %d/%d.\n", 2838 ha->msix_count, ret); 2839 goto msix_out; 2840 } 2841 ha->max_rsp_queues = ha->msix_count - 1; 2842 } 2843 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * 2844 ha->msix_count, GFP_KERNEL); 2845 if (!ha->msix_entries) { 2846 ql_log(ql_log_fatal, vha, 0x00c8, 2847 "Failed to allocate memory for ha->msix_entries.\n"); 2848 ret = -ENOMEM; 2849 goto msix_out; 2850 } 2851 ha->flags.msix_enabled = 1; 2852 2853 for (i = 0; i < ha->msix_count; i++) { 2854 qentry = &ha->msix_entries[i]; 2855 qentry->vector = entries[i].vector; 2856 qentry->entry = entries[i].entry; 2857 qentry->have_irq = 0; 2858 qentry->rsp = NULL; 2859 } 2860 2861 /* Enable MSI-X vectors for the base queue */ 2862 for (i = 0; i < ha->msix_count; i++) { 2863 qentry = &ha->msix_entries[i]; 2864 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) { 2865 ret = request_irq(qentry->vector, 2866 qla83xx_msix_entries[i].handler, 2867 0, qla83xx_msix_entries[i].name, rsp); 2868 } else if (IS_QLA82XX(ha)) { 2869 ret = request_irq(qentry->vector, 2870 qla82xx_msix_entries[i].handler, 2871 0, qla82xx_msix_entries[i].name, rsp); 2872 } else { 2873 ret = request_irq(qentry->vector, 2874 msix_entries[i].handler, 2875 0, msix_entries[i].name, rsp); 2876 } 2877 if (ret) { 2878 ql_log(ql_log_fatal, vha, 0x00cb, 2879 "MSI-X: unable to register handler -- %x/%d.\n", 2880 qentry->vector, ret); 2881 qla24xx_disable_msix(ha); 2882 ha->mqenable = 0; 2883 goto msix_out; 2884 } 2885 qentry->have_irq = 1; 2886 qentry->rsp = rsp; 2887 rsp->msix = qentry; 2888 } 2889 2890 /* Enable MSI-X vector for response queue update for queue 0 */ 2891 if (IS_QLA83XX(ha)) { 2892 if (ha->msixbase && ha->mqiobase && 2893 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) 2894 ha->mqenable = 1; 2895 } else 2896 if (ha->mqiobase 2897 && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) 2898 ha->mqenable = 1; 2899 ql_dbg(ql_dbg_multiq, vha, 0xc005, 2900 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 2901 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 2902 ql_dbg(ql_dbg_init, vha, 0x0055, 2903 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 2904 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 2905 2906 msix_out: 2907 kfree(entries); 2908 return ret; 2909 } 2910 2911 int 2912 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 2913 { 2914 int ret; 2915 device_reg_t __iomem *reg = ha->iobase; 2916 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2917 2918 /* If possible, enable MSI-X. */ 2919 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 2920 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) && !IS_QLAFX00(ha)) 2921 goto skip_msi; 2922 2923 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 2924 (ha->pdev->subsystem_device == 0x7040 || 2925 ha->pdev->subsystem_device == 0x7041 || 2926 ha->pdev->subsystem_device == 0x1705)) { 2927 ql_log(ql_log_warn, vha, 0x0034, 2928 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 2929 ha->pdev->subsystem_vendor, 2930 ha->pdev->subsystem_device); 2931 goto skip_msi; 2932 } 2933 2934 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 2935 ql_log(ql_log_warn, vha, 0x0035, 2936 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 2937 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 2938 goto skip_msix; 2939 } 2940 2941 ret = qla24xx_enable_msix(ha, rsp); 2942 if (!ret) { 2943 ql_dbg(ql_dbg_init, vha, 0x0036, 2944 "MSI-X: Enabled (0x%X, 0x%X).\n", 2945 ha->chip_revision, ha->fw_attributes); 2946 goto clear_risc_ints; 2947 } 2948 ql_log(ql_log_info, vha, 0x0037, 2949 "MSI-X Falling back-to MSI mode -%d.\n", ret); 2950 skip_msix: 2951 2952 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 2953 !IS_QLA8001(ha) && !IS_QLA82XX(ha) && !IS_QLAFX00(ha)) 2954 goto skip_msi; 2955 2956 ret = pci_enable_msi(ha->pdev); 2957 if (!ret) { 2958 ql_dbg(ql_dbg_init, vha, 0x0038, 2959 "MSI: Enabled.\n"); 2960 ha->flags.msi_enabled = 1; 2961 } else 2962 ql_log(ql_log_warn, vha, 0x0039, 2963 "MSI-X; Falling back-to INTa mode -- %d.\n", ret); 2964 2965 /* Skip INTx on ISP82xx. */ 2966 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 2967 return QLA_FUNCTION_FAILED; 2968 2969 skip_msi: 2970 2971 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 2972 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 2973 QLA2XXX_DRIVER_NAME, rsp); 2974 if (ret) { 2975 ql_log(ql_log_warn, vha, 0x003a, 2976 "Failed to reserve interrupt %d already in use.\n", 2977 ha->pdev->irq); 2978 goto fail; 2979 } else if (!ha->flags.msi_enabled) { 2980 ql_dbg(ql_dbg_init, vha, 0x0125, 2981 "INTa mode: Enabled.\n"); 2982 ha->flags.mr_intr_valid = 1; 2983 } 2984 2985 clear_risc_ints: 2986 2987 spin_lock_irq(&ha->hardware_lock); 2988 if (!IS_FWI2_CAPABLE(ha)) 2989 WRT_REG_WORD(®->isp.semaphore, 0); 2990 spin_unlock_irq(&ha->hardware_lock); 2991 2992 fail: 2993 return ret; 2994 } 2995 2996 void 2997 qla2x00_free_irqs(scsi_qla_host_t *vha) 2998 { 2999 struct qla_hw_data *ha = vha->hw; 3000 struct rsp_que *rsp; 3001 3002 /* 3003 * We need to check that ha->rsp_q_map is valid in case we are called 3004 * from a probe failure context. 3005 */ 3006 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 3007 return; 3008 rsp = ha->rsp_q_map[0]; 3009 3010 if (ha->flags.msix_enabled) 3011 qla24xx_disable_msix(ha); 3012 else if (ha->flags.msi_enabled) { 3013 free_irq(ha->pdev->irq, rsp); 3014 pci_disable_msi(ha->pdev); 3015 } else 3016 free_irq(ha->pdev->irq, rsp); 3017 } 3018 3019 3020 int qla25xx_request_irq(struct rsp_que *rsp) 3021 { 3022 struct qla_hw_data *ha = rsp->hw; 3023 struct qla_init_msix_entry *intr = &msix_entries[2]; 3024 struct qla_msix_entry *msix = rsp->msix; 3025 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 3026 int ret; 3027 3028 ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); 3029 if (ret) { 3030 ql_log(ql_log_fatal, vha, 0x00e6, 3031 "MSI-X: Unable to register handler -- %x/%d.\n", 3032 msix->vector, ret); 3033 return ret; 3034 } 3035 msix->have_irq = 1; 3036 msix->rsp = rsp; 3037 return ret; 3038 } 3039