1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2008 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 9 #include <linux/delay.h> 10 #include <linux/vmalloc.h> 11 12 #include "qla_devtbl.h" 13 14 #ifdef CONFIG_SPARC 15 #include <asm/prom.h> 16 #endif 17 18 /* 19 * QLogic ISP2x00 Hardware Support Function Prototypes. 20 */ 21 static int qla2x00_isp_firmware(scsi_qla_host_t *); 22 static void qla2x00_resize_request_q(scsi_qla_host_t *); 23 static int qla2x00_setup_chip(scsi_qla_host_t *); 24 static void qla2x00_init_response_q_entries(scsi_qla_host_t *); 25 static int qla2x00_init_rings(scsi_qla_host_t *); 26 static int qla2x00_fw_ready(scsi_qla_host_t *); 27 static int qla2x00_configure_hba(scsi_qla_host_t *); 28 static int qla2x00_configure_loop(scsi_qla_host_t *); 29 static int qla2x00_configure_local_loop(scsi_qla_host_t *); 30 static int qla2x00_configure_fabric(scsi_qla_host_t *); 31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); 32 static int qla2x00_device_resync(scsi_qla_host_t *); 33 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, 34 uint16_t *); 35 36 static int qla2x00_restart_isp(scsi_qla_host_t *); 37 38 static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev); 39 40 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *); 41 static int qla84xx_init_chip(scsi_qla_host_t *); 42 43 /****************************************************************************/ 44 /* QLogic ISP2x00 Hardware Support Functions. */ 45 /****************************************************************************/ 46 47 /* 48 * qla2x00_initialize_adapter 49 * Initialize board. 50 * 51 * Input: 52 * ha = adapter block pointer. 53 * 54 * Returns: 55 * 0 = success 56 */ 57 int 58 qla2x00_initialize_adapter(scsi_qla_host_t *ha) 59 { 60 int rval; 61 62 /* Clear adapter flags. */ 63 ha->flags.online = 0; 64 ha->flags.reset_active = 0; 65 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 66 atomic_set(&ha->loop_state, LOOP_DOWN); 67 ha->device_flags = DFLG_NO_CABLE; 68 ha->dpc_flags = 0; 69 ha->flags.management_server_logged_in = 0; 70 ha->marker_needed = 0; 71 ha->mbx_flags = 0; 72 ha->isp_abort_cnt = 0; 73 ha->beacon_blink_led = 0; 74 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); 75 76 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 77 rval = ha->isp_ops->pci_config(ha); 78 if (rval) { 79 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n", 80 ha->host_no)); 81 return (rval); 82 } 83 84 ha->isp_ops->reset_chip(ha); 85 86 ha->isp_ops->get_flash_version(ha, ha->request_ring); 87 88 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); 89 90 ha->isp_ops->nvram_config(ha); 91 92 if (ha->flags.disable_serdes) { 93 /* Mask HBA via NVRAM settings? */ 94 qla_printk(KERN_INFO, ha, "Masking HBA WWPN " 95 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n", 96 ha->port_name[0], ha->port_name[1], 97 ha->port_name[2], ha->port_name[3], 98 ha->port_name[4], ha->port_name[5], 99 ha->port_name[6], ha->port_name[7]); 100 return QLA_FUNCTION_FAILED; 101 } 102 103 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); 104 105 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { 106 rval = ha->isp_ops->chip_diag(ha); 107 if (rval) 108 return (rval); 109 rval = qla2x00_setup_chip(ha); 110 if (rval) 111 return (rval); 112 qla2xxx_get_flash_info(ha); 113 } 114 if (IS_QLA84XX(ha)) { 115 ha->cs84xx = qla84xx_get_chip(ha); 116 if (!ha->cs84xx) { 117 qla_printk(KERN_ERR, ha, 118 "Unable to configure ISP84XX.\n"); 119 return QLA_FUNCTION_FAILED; 120 } 121 } 122 rval = qla2x00_init_rings(ha); 123 124 return (rval); 125 } 126 127 /** 128 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. 129 * @ha: HA context 130 * 131 * Returns 0 on success. 132 */ 133 int 134 qla2100_pci_config(scsi_qla_host_t *ha) 135 { 136 uint16_t w; 137 uint32_t d; 138 unsigned long flags; 139 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 140 141 pci_set_master(ha->pdev); 142 pci_try_set_mwi(ha->pdev); 143 144 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 145 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 146 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 147 148 /* Reset expansion ROM address decode enable */ 149 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 150 d &= ~PCI_ROM_ADDRESS_ENABLE; 151 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 152 153 /* Get PCI bus information. */ 154 spin_lock_irqsave(&ha->hardware_lock, flags); 155 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 156 spin_unlock_irqrestore(&ha->hardware_lock, flags); 157 158 return QLA_SUCCESS; 159 } 160 161 /** 162 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. 163 * @ha: HA context 164 * 165 * Returns 0 on success. 166 */ 167 int 168 qla2300_pci_config(scsi_qla_host_t *ha) 169 { 170 uint16_t w; 171 uint32_t d; 172 unsigned long flags = 0; 173 uint32_t cnt; 174 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 175 176 pci_set_master(ha->pdev); 177 pci_try_set_mwi(ha->pdev); 178 179 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 180 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 181 182 if (IS_QLA2322(ha) || IS_QLA6322(ha)) 183 w &= ~PCI_COMMAND_INTX_DISABLE; 184 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 185 186 /* 187 * If this is a 2300 card and not 2312, reset the 188 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, 189 * the 2310 also reports itself as a 2300 so we need to get the 190 * fb revision level -- a 6 indicates it really is a 2300 and 191 * not a 2310. 192 */ 193 if (IS_QLA2300(ha)) { 194 spin_lock_irqsave(&ha->hardware_lock, flags); 195 196 /* Pause RISC. */ 197 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 198 for (cnt = 0; cnt < 30000; cnt++) { 199 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) != 0) 200 break; 201 202 udelay(10); 203 } 204 205 /* Select FPM registers. */ 206 WRT_REG_WORD(®->ctrl_status, 0x20); 207 RD_REG_WORD(®->ctrl_status); 208 209 /* Get the fb rev level */ 210 ha->fb_rev = RD_FB_CMD_REG(ha, reg); 211 212 if (ha->fb_rev == FPM_2300) 213 pci_clear_mwi(ha->pdev); 214 215 /* Deselect FPM registers. */ 216 WRT_REG_WORD(®->ctrl_status, 0x0); 217 RD_REG_WORD(®->ctrl_status); 218 219 /* Release RISC module. */ 220 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 221 for (cnt = 0; cnt < 30000; cnt++) { 222 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0) 223 break; 224 225 udelay(10); 226 } 227 228 spin_unlock_irqrestore(&ha->hardware_lock, flags); 229 } 230 231 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 232 233 /* Reset expansion ROM address decode enable */ 234 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 235 d &= ~PCI_ROM_ADDRESS_ENABLE; 236 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 237 238 /* Get PCI bus information. */ 239 spin_lock_irqsave(&ha->hardware_lock, flags); 240 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 241 spin_unlock_irqrestore(&ha->hardware_lock, flags); 242 243 return QLA_SUCCESS; 244 } 245 246 /** 247 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers. 248 * @ha: HA context 249 * 250 * Returns 0 on success. 251 */ 252 int 253 qla24xx_pci_config(scsi_qla_host_t *ha) 254 { 255 uint16_t w; 256 uint32_t d; 257 unsigned long flags = 0; 258 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 259 260 pci_set_master(ha->pdev); 261 pci_try_set_mwi(ha->pdev); 262 263 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 264 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 265 w &= ~PCI_COMMAND_INTX_DISABLE; 266 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 267 268 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 269 270 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */ 271 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX)) 272 pcix_set_mmrbc(ha->pdev, 2048); 273 274 /* PCIe -- adjust Maximum Read Request Size (2048). */ 275 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP)) 276 pcie_set_readrq(ha->pdev, 2048); 277 278 /* Reset expansion ROM address decode enable */ 279 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 280 d &= ~PCI_ROM_ADDRESS_ENABLE; 281 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 282 283 ha->chip_revision = ha->pdev->revision; 284 285 /* Get PCI bus information. */ 286 spin_lock_irqsave(&ha->hardware_lock, flags); 287 ha->pci_attr = RD_REG_DWORD(®->ctrl_status); 288 spin_unlock_irqrestore(&ha->hardware_lock, flags); 289 290 return QLA_SUCCESS; 291 } 292 293 /** 294 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers. 295 * @ha: HA context 296 * 297 * Returns 0 on success. 298 */ 299 int 300 qla25xx_pci_config(scsi_qla_host_t *ha) 301 { 302 uint16_t w; 303 uint32_t d; 304 305 pci_set_master(ha->pdev); 306 pci_try_set_mwi(ha->pdev); 307 308 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 309 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 310 w &= ~PCI_COMMAND_INTX_DISABLE; 311 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 312 313 /* PCIe -- adjust Maximum Read Request Size (2048). */ 314 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP)) 315 pcie_set_readrq(ha->pdev, 2048); 316 317 /* Reset expansion ROM address decode enable */ 318 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 319 d &= ~PCI_ROM_ADDRESS_ENABLE; 320 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 321 322 ha->chip_revision = ha->pdev->revision; 323 324 return QLA_SUCCESS; 325 } 326 327 /** 328 * qla2x00_isp_firmware() - Choose firmware image. 329 * @ha: HA context 330 * 331 * Returns 0 on success. 332 */ 333 static int 334 qla2x00_isp_firmware(scsi_qla_host_t *ha) 335 { 336 int rval; 337 uint16_t loop_id, topo, sw_cap; 338 uint8_t domain, area, al_pa; 339 340 /* Assume loading risc code */ 341 rval = QLA_FUNCTION_FAILED; 342 343 if (ha->flags.disable_risc_code_load) { 344 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", 345 ha->host_no)); 346 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); 347 348 /* Verify checksum of loaded RISC code. */ 349 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address); 350 if (rval == QLA_SUCCESS) { 351 /* And, verify we are not in ROM code. */ 352 rval = qla2x00_get_adapter_id(ha, &loop_id, &al_pa, 353 &area, &domain, &topo, &sw_cap); 354 } 355 } 356 357 if (rval) { 358 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", 359 ha->host_no)); 360 } 361 362 return (rval); 363 } 364 365 /** 366 * qla2x00_reset_chip() - Reset ISP chip. 367 * @ha: HA context 368 * 369 * Returns 0 on success. 370 */ 371 void 372 qla2x00_reset_chip(scsi_qla_host_t *ha) 373 { 374 unsigned long flags = 0; 375 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 376 uint32_t cnt; 377 uint16_t cmd; 378 379 ha->isp_ops->disable_intrs(ha); 380 381 spin_lock_irqsave(&ha->hardware_lock, flags); 382 383 /* Turn off master enable */ 384 cmd = 0; 385 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); 386 cmd &= ~PCI_COMMAND_MASTER; 387 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 388 389 if (!IS_QLA2100(ha)) { 390 /* Pause RISC. */ 391 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 392 if (IS_QLA2200(ha) || IS_QLA2300(ha)) { 393 for (cnt = 0; cnt < 30000; cnt++) { 394 if ((RD_REG_WORD(®->hccr) & 395 HCCR_RISC_PAUSE) != 0) 396 break; 397 udelay(100); 398 } 399 } else { 400 RD_REG_WORD(®->hccr); /* PCI Posting. */ 401 udelay(10); 402 } 403 404 /* Select FPM registers. */ 405 WRT_REG_WORD(®->ctrl_status, 0x20); 406 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 407 408 /* FPM Soft Reset. */ 409 WRT_REG_WORD(®->fpm_diag_config, 0x100); 410 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 411 412 /* Toggle Fpm Reset. */ 413 if (!IS_QLA2200(ha)) { 414 WRT_REG_WORD(®->fpm_diag_config, 0x0); 415 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 416 } 417 418 /* Select frame buffer registers. */ 419 WRT_REG_WORD(®->ctrl_status, 0x10); 420 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 421 422 /* Reset frame buffer FIFOs. */ 423 if (IS_QLA2200(ha)) { 424 WRT_FB_CMD_REG(ha, reg, 0xa000); 425 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ 426 } else { 427 WRT_FB_CMD_REG(ha, reg, 0x00fc); 428 429 /* Read back fb_cmd until zero or 3 seconds max */ 430 for (cnt = 0; cnt < 3000; cnt++) { 431 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) 432 break; 433 udelay(100); 434 } 435 } 436 437 /* Select RISC module registers. */ 438 WRT_REG_WORD(®->ctrl_status, 0); 439 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 440 441 /* Reset RISC processor. */ 442 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 443 RD_REG_WORD(®->hccr); /* PCI Posting. */ 444 445 /* Release RISC processor. */ 446 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 447 RD_REG_WORD(®->hccr); /* PCI Posting. */ 448 } 449 450 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 451 WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); 452 453 /* Reset ISP chip. */ 454 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 455 456 /* Wait for RISC to recover from reset. */ 457 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 458 /* 459 * It is necessary to for a delay here since the card doesn't 460 * respond to PCI reads during a reset. On some architectures 461 * this will result in an MCA. 462 */ 463 udelay(20); 464 for (cnt = 30000; cnt; cnt--) { 465 if ((RD_REG_WORD(®->ctrl_status) & 466 CSR_ISP_SOFT_RESET) == 0) 467 break; 468 udelay(100); 469 } 470 } else 471 udelay(10); 472 473 /* Reset RISC processor. */ 474 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 475 476 WRT_REG_WORD(®->semaphore, 0); 477 478 /* Release RISC processor. */ 479 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 480 RD_REG_WORD(®->hccr); /* PCI Posting. */ 481 482 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 483 for (cnt = 0; cnt < 30000; cnt++) { 484 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) 485 break; 486 487 udelay(100); 488 } 489 } else 490 udelay(100); 491 492 /* Turn on master enable */ 493 cmd |= PCI_COMMAND_MASTER; 494 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 495 496 /* Disable RISC pause on FPM parity error. */ 497 if (!IS_QLA2100(ha)) { 498 WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); 499 RD_REG_WORD(®->hccr); /* PCI Posting. */ 500 } 501 502 spin_unlock_irqrestore(&ha->hardware_lock, flags); 503 } 504 505 /** 506 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC. 507 * @ha: HA context 508 * 509 * Returns 0 on success. 510 */ 511 static inline void 512 qla24xx_reset_risc(scsi_qla_host_t *ha) 513 { 514 int hw_evt = 0; 515 unsigned long flags = 0; 516 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 517 uint32_t cnt, d2; 518 uint16_t wd; 519 520 spin_lock_irqsave(&ha->hardware_lock, flags); 521 522 /* Reset RISC. */ 523 WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 524 for (cnt = 0; cnt < 30000; cnt++) { 525 if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) 526 break; 527 528 udelay(10); 529 } 530 531 WRT_REG_DWORD(®->ctrl_status, 532 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 533 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd); 534 535 udelay(100); 536 /* Wait for firmware to complete NVRAM accesses. */ 537 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 538 for (cnt = 10000 ; cnt && d2; cnt--) { 539 udelay(5); 540 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 541 barrier(); 542 } 543 if (cnt == 0) 544 hw_evt = 1; 545 546 /* Wait for soft-reset to complete. */ 547 d2 = RD_REG_DWORD(®->ctrl_status); 548 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) { 549 udelay(5); 550 d2 = RD_REG_DWORD(®->ctrl_status); 551 barrier(); 552 } 553 if (cnt == 0 || hw_evt) 554 qla2xxx_hw_event_log(ha, HW_EVENT_RESET_ERR, 555 RD_REG_WORD(®->mailbox1), RD_REG_WORD(®->mailbox2), 556 RD_REG_WORD(®->mailbox3)); 557 558 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 559 RD_REG_DWORD(®->hccr); 560 561 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 562 RD_REG_DWORD(®->hccr); 563 564 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET); 565 RD_REG_DWORD(®->hccr); 566 567 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 568 for (cnt = 6000000 ; cnt && d2; cnt--) { 569 udelay(5); 570 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 571 barrier(); 572 } 573 574 spin_unlock_irqrestore(&ha->hardware_lock, flags); 575 } 576 577 /** 578 * qla24xx_reset_chip() - Reset ISP24xx chip. 579 * @ha: HA context 580 * 581 * Returns 0 on success. 582 */ 583 void 584 qla24xx_reset_chip(scsi_qla_host_t *ha) 585 { 586 ha->isp_ops->disable_intrs(ha); 587 588 /* Perform RISC reset. */ 589 qla24xx_reset_risc(ha); 590 } 591 592 /** 593 * qla2x00_chip_diag() - Test chip for proper operation. 594 * @ha: HA context 595 * 596 * Returns 0 on success. 597 */ 598 int 599 qla2x00_chip_diag(scsi_qla_host_t *ha) 600 { 601 int rval; 602 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 603 unsigned long flags = 0; 604 uint16_t data; 605 uint32_t cnt; 606 uint16_t mb[5]; 607 608 /* Assume a failed state */ 609 rval = QLA_FUNCTION_FAILED; 610 611 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", 612 ha->host_no, (u_long)®->flash_address)); 613 614 spin_lock_irqsave(&ha->hardware_lock, flags); 615 616 /* Reset ISP chip. */ 617 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 618 619 /* 620 * We need to have a delay here since the card will not respond while 621 * in reset causing an MCA on some architectures. 622 */ 623 udelay(20); 624 data = qla2x00_debounce_register(®->ctrl_status); 625 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { 626 udelay(5); 627 data = RD_REG_WORD(®->ctrl_status); 628 barrier(); 629 } 630 631 if (!cnt) 632 goto chip_diag_failed; 633 634 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", 635 ha->host_no)); 636 637 /* Reset RISC processor. */ 638 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 639 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 640 641 /* Workaround for QLA2312 PCI parity error */ 642 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 643 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); 644 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { 645 udelay(5); 646 data = RD_MAILBOX_REG(ha, reg, 0); 647 barrier(); 648 } 649 } else 650 udelay(10); 651 652 if (!cnt) 653 goto chip_diag_failed; 654 655 /* Check product ID of chip */ 656 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); 657 658 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 659 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 660 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 661 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); 662 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || 663 mb[3] != PROD_ID_3) { 664 qla_printk(KERN_WARNING, ha, 665 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); 666 667 goto chip_diag_failed; 668 } 669 ha->product_id[0] = mb[1]; 670 ha->product_id[1] = mb[2]; 671 ha->product_id[2] = mb[3]; 672 ha->product_id[3] = mb[4]; 673 674 /* Adjust fw RISC transfer size */ 675 if (ha->request_q_length > 1024) 676 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 677 else 678 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 679 ha->request_q_length; 680 681 if (IS_QLA2200(ha) && 682 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { 683 /* Limit firmware transfer size with a 2200A */ 684 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", 685 ha->host_no)); 686 687 ha->device_type |= DT_ISP2200A; 688 ha->fw_transfer_size = 128; 689 } 690 691 /* Wrap Incoming Mailboxes Test. */ 692 spin_unlock_irqrestore(&ha->hardware_lock, flags); 693 694 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); 695 rval = qla2x00_mbx_reg_test(ha); 696 if (rval) { 697 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 698 ha->host_no)); 699 qla_printk(KERN_WARNING, ha, 700 "Failed mailbox send register test\n"); 701 } 702 else { 703 /* Flag a successful rval */ 704 rval = QLA_SUCCESS; 705 } 706 spin_lock_irqsave(&ha->hardware_lock, flags); 707 708 chip_diag_failed: 709 if (rval) 710 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " 711 "****\n", ha->host_no)); 712 713 spin_unlock_irqrestore(&ha->hardware_lock, flags); 714 715 return (rval); 716 } 717 718 /** 719 * qla24xx_chip_diag() - Test ISP24xx for proper operation. 720 * @ha: HA context 721 * 722 * Returns 0 on success. 723 */ 724 int 725 qla24xx_chip_diag(scsi_qla_host_t *ha) 726 { 727 int rval; 728 729 /* Perform RISC reset. */ 730 qla24xx_reset_risc(ha); 731 732 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * ha->request_q_length; 733 734 rval = qla2x00_mbx_reg_test(ha); 735 if (rval) { 736 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 737 ha->host_no)); 738 qla_printk(KERN_WARNING, ha, 739 "Failed mailbox send register test\n"); 740 } else { 741 /* Flag a successful rval */ 742 rval = QLA_SUCCESS; 743 } 744 745 return rval; 746 } 747 748 void 749 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) 750 { 751 int rval; 752 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size, 753 eft_size, fce_size; 754 dma_addr_t tc_dma; 755 void *tc; 756 757 if (ha->fw_dump) { 758 qla_printk(KERN_WARNING, ha, 759 "Firmware dump previously allocated.\n"); 760 return; 761 } 762 763 ha->fw_dumped = 0; 764 fixed_size = mem_size = eft_size = fce_size = 0; 765 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 766 fixed_size = sizeof(struct qla2100_fw_dump); 767 } else if (IS_QLA23XX(ha)) { 768 fixed_size = offsetof(struct qla2300_fw_dump, data_ram); 769 mem_size = (ha->fw_memory_size - 0x11000 + 1) * 770 sizeof(uint16_t); 771 } else if (IS_FWI2_CAPABLE(ha)) { 772 fixed_size = IS_QLA25XX(ha) ? 773 offsetof(struct qla25xx_fw_dump, ext_mem): 774 offsetof(struct qla24xx_fw_dump, ext_mem); 775 mem_size = (ha->fw_memory_size - 0x100000 + 1) * 776 sizeof(uint32_t); 777 778 /* Allocate memory for Fibre Channel Event Buffer. */ 779 if (!IS_QLA25XX(ha)) 780 goto try_eft; 781 782 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma, 783 GFP_KERNEL); 784 if (!tc) { 785 qla_printk(KERN_WARNING, ha, "Unable to allocate " 786 "(%d KB) for FCE.\n", FCE_SIZE / 1024); 787 goto try_eft; 788 } 789 790 memset(tc, 0, FCE_SIZE); 791 rval = qla2x00_enable_fce_trace(ha, tc_dma, FCE_NUM_BUFFERS, 792 ha->fce_mb, &ha->fce_bufs); 793 if (rval) { 794 qla_printk(KERN_WARNING, ha, "Unable to initialize " 795 "FCE (%d).\n", rval); 796 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, 797 tc_dma); 798 ha->flags.fce_enabled = 0; 799 goto try_eft; 800 } 801 802 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n", 803 FCE_SIZE / 1024); 804 805 fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE; 806 ha->flags.fce_enabled = 1; 807 ha->fce_dma = tc_dma; 808 ha->fce = tc; 809 try_eft: 810 /* Allocate memory for Extended Trace Buffer. */ 811 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma, 812 GFP_KERNEL); 813 if (!tc) { 814 qla_printk(KERN_WARNING, ha, "Unable to allocate " 815 "(%d KB) for EFT.\n", EFT_SIZE / 1024); 816 goto cont_alloc; 817 } 818 819 memset(tc, 0, EFT_SIZE); 820 rval = qla2x00_enable_eft_trace(ha, tc_dma, EFT_NUM_BUFFERS); 821 if (rval) { 822 qla_printk(KERN_WARNING, ha, "Unable to initialize " 823 "EFT (%d).\n", rval); 824 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, 825 tc_dma); 826 goto cont_alloc; 827 } 828 829 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n", 830 EFT_SIZE / 1024); 831 832 eft_size = EFT_SIZE; 833 ha->eft_dma = tc_dma; 834 ha->eft = tc; 835 } 836 cont_alloc: 837 req_q_size = ha->request_q_length * sizeof(request_t); 838 rsp_q_size = ha->response_q_length * sizeof(response_t); 839 840 dump_size = offsetof(struct qla2xxx_fw_dump, isp); 841 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + 842 eft_size + fce_size; 843 844 ha->fw_dump = vmalloc(dump_size); 845 if (!ha->fw_dump) { 846 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for " 847 "firmware dump!!!\n", dump_size / 1024); 848 849 if (ha->eft) { 850 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft, 851 ha->eft_dma); 852 ha->eft = NULL; 853 ha->eft_dma = 0; 854 } 855 return; 856 } 857 858 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n", 859 dump_size / 1024); 860 861 ha->fw_dump_len = dump_size; 862 ha->fw_dump->signature[0] = 'Q'; 863 ha->fw_dump->signature[1] = 'L'; 864 ha->fw_dump->signature[2] = 'G'; 865 ha->fw_dump->signature[3] = 'C'; 866 ha->fw_dump->version = __constant_htonl(1); 867 868 ha->fw_dump->fixed_size = htonl(fixed_size); 869 ha->fw_dump->mem_size = htonl(mem_size); 870 ha->fw_dump->req_q_size = htonl(req_q_size); 871 ha->fw_dump->rsp_q_size = htonl(rsp_q_size); 872 873 ha->fw_dump->eft_size = htonl(eft_size); 874 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma)); 875 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma)); 876 877 ha->fw_dump->header_size = 878 htonl(offsetof(struct qla2xxx_fw_dump, isp)); 879 } 880 881 /** 882 * qla2x00_resize_request_q() - Resize request queue given available ISP memory. 883 * @ha: HA context 884 * 885 * Returns 0 on success. 886 */ 887 static void 888 qla2x00_resize_request_q(scsi_qla_host_t *ha) 889 { 890 int rval; 891 uint16_t fw_iocb_cnt = 0; 892 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; 893 dma_addr_t request_dma; 894 request_t *request_ring; 895 896 /* Valid only on recent ISPs. */ 897 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 898 return; 899 900 /* Retrieve IOCB counts available to the firmware. */ 901 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt, 902 &ha->max_npiv_vports); 903 if (rval) 904 return; 905 /* No point in continuing if current settings are sufficient. */ 906 if (fw_iocb_cnt < 1024) 907 return; 908 if (ha->request_q_length >= request_q_length) 909 return; 910 911 /* Attempt to claim larger area for request queue. */ 912 request_ring = dma_alloc_coherent(&ha->pdev->dev, 913 (request_q_length + 1) * sizeof(request_t), &request_dma, 914 GFP_KERNEL); 915 if (request_ring == NULL) 916 return; 917 918 /* Resize successful, report extensions. */ 919 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", 920 (ha->fw_memory_size + 1) / 1024); 921 qla_printk(KERN_INFO, ha, "Resizing request queue depth " 922 "(%d -> %d)...\n", ha->request_q_length, request_q_length); 923 924 /* Clear old allocations. */ 925 dma_free_coherent(&ha->pdev->dev, 926 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, 927 ha->request_dma); 928 929 /* Begin using larger queue. */ 930 ha->request_q_length = request_q_length; 931 ha->request_ring = request_ring; 932 ha->request_dma = request_dma; 933 } 934 935 /** 936 * qla2x00_setup_chip() - Load and start RISC firmware. 937 * @ha: HA context 938 * 939 * Returns 0 on success. 940 */ 941 static int 942 qla2x00_setup_chip(scsi_qla_host_t *ha) 943 { 944 int rval; 945 uint32_t srisc_address = 0; 946 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 947 unsigned long flags; 948 949 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { 950 /* Disable SRAM, Instruction RAM and GP RAM parity. */ 951 spin_lock_irqsave(&ha->hardware_lock, flags); 952 WRT_REG_WORD(®->hccr, (HCCR_ENABLE_PARITY + 0x0)); 953 RD_REG_WORD(®->hccr); 954 spin_unlock_irqrestore(&ha->hardware_lock, flags); 955 } 956 957 /* Load firmware sequences */ 958 rval = ha->isp_ops->load_risc(ha, &srisc_address); 959 if (rval == QLA_SUCCESS) { 960 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " 961 "code.\n", ha->host_no)); 962 963 rval = qla2x00_verify_checksum(ha, srisc_address); 964 if (rval == QLA_SUCCESS) { 965 /* Start firmware execution. */ 966 DEBUG(printk("scsi(%ld): Checksum OK, start " 967 "firmware.\n", ha->host_no)); 968 969 rval = qla2x00_execute_fw(ha, srisc_address); 970 /* Retrieve firmware information. */ 971 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { 972 qla2x00_get_fw_version(ha, 973 &ha->fw_major_version, 974 &ha->fw_minor_version, 975 &ha->fw_subminor_version, 976 &ha->fw_attributes, &ha->fw_memory_size); 977 qla2x00_resize_request_q(ha); 978 ha->flags.npiv_supported = 0; 979 if ((IS_QLA24XX(ha) || IS_QLA25XX(ha)) && 980 (ha->fw_attributes & BIT_2)) { 981 ha->flags.npiv_supported = 1; 982 if ((!ha->max_npiv_vports) || 983 ((ha->max_npiv_vports + 1) % 984 MIN_MULTI_ID_FABRIC)) 985 ha->max_npiv_vports = 986 MIN_MULTI_ID_FABRIC - 1; 987 } 988 989 if (ql2xallocfwdump) 990 qla2x00_alloc_fw_dump(ha); 991 } 992 } else { 993 DEBUG2(printk(KERN_INFO 994 "scsi(%ld): ISP Firmware failed checksum.\n", 995 ha->host_no)); 996 } 997 } 998 999 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { 1000 /* Enable proper parity. */ 1001 spin_lock_irqsave(&ha->hardware_lock, flags); 1002 if (IS_QLA2300(ha)) 1003 /* SRAM parity */ 1004 WRT_REG_WORD(®->hccr, HCCR_ENABLE_PARITY + 0x1); 1005 else 1006 /* SRAM, Instruction RAM and GP RAM parity */ 1007 WRT_REG_WORD(®->hccr, HCCR_ENABLE_PARITY + 0x7); 1008 RD_REG_WORD(®->hccr); 1009 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1010 } 1011 1012 if (rval) { 1013 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", 1014 ha->host_no)); 1015 } 1016 1017 return (rval); 1018 } 1019 1020 /** 1021 * qla2x00_init_response_q_entries() - Initializes response queue entries. 1022 * @ha: HA context 1023 * 1024 * Beginning of request ring has initialization control block already built 1025 * by nvram config routine. 1026 * 1027 * Returns 0 on success. 1028 */ 1029 static void 1030 qla2x00_init_response_q_entries(scsi_qla_host_t *ha) 1031 { 1032 uint16_t cnt; 1033 response_t *pkt; 1034 1035 pkt = ha->response_ring_ptr; 1036 for (cnt = 0; cnt < ha->response_q_length; cnt++) { 1037 pkt->signature = RESPONSE_PROCESSED; 1038 pkt++; 1039 } 1040 1041 } 1042 1043 /** 1044 * qla2x00_update_fw_options() - Read and process firmware options. 1045 * @ha: HA context 1046 * 1047 * Returns 0 on success. 1048 */ 1049 void 1050 qla2x00_update_fw_options(scsi_qla_host_t *ha) 1051 { 1052 uint16_t swing, emphasis, tx_sens, rx_sens; 1053 1054 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 1055 qla2x00_get_fw_options(ha, ha->fw_options); 1056 1057 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1058 return; 1059 1060 /* Serial Link options. */ 1061 DEBUG3(printk("scsi(%ld): Serial link options:\n", 1062 ha->host_no)); 1063 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, 1064 sizeof(ha->fw_seriallink_options))); 1065 1066 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 1067 if (ha->fw_seriallink_options[3] & BIT_2) { 1068 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 1069 1070 /* 1G settings */ 1071 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 1072 emphasis = (ha->fw_seriallink_options[2] & 1073 (BIT_4 | BIT_3)) >> 3; 1074 tx_sens = ha->fw_seriallink_options[0] & 1075 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1076 rx_sens = (ha->fw_seriallink_options[0] & 1077 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 1078 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 1079 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 1080 if (rx_sens == 0x0) 1081 rx_sens = 0x3; 1082 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 1083 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1084 ha->fw_options[10] |= BIT_5 | 1085 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1086 (tx_sens & (BIT_1 | BIT_0)); 1087 1088 /* 2G settings */ 1089 swing = (ha->fw_seriallink_options[2] & 1090 (BIT_7 | BIT_6 | BIT_5)) >> 5; 1091 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 1092 tx_sens = ha->fw_seriallink_options[1] & 1093 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1094 rx_sens = (ha->fw_seriallink_options[1] & 1095 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 1096 ha->fw_options[11] = (emphasis << 14) | (swing << 8); 1097 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 1098 if (rx_sens == 0x0) 1099 rx_sens = 0x3; 1100 ha->fw_options[11] |= (tx_sens << 4) | rx_sens; 1101 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1102 ha->fw_options[11] |= BIT_5 | 1103 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1104 (tx_sens & (BIT_1 | BIT_0)); 1105 } 1106 1107 /* FCP2 options. */ 1108 /* Return command IOCBs without waiting for an ABTS to complete. */ 1109 ha->fw_options[3] |= BIT_13; 1110 1111 /* LED scheme. */ 1112 if (ha->flags.enable_led_scheme) 1113 ha->fw_options[2] |= BIT_12; 1114 1115 /* Detect ISP6312. */ 1116 if (IS_QLA6312(ha)) 1117 ha->fw_options[2] |= BIT_13; 1118 1119 /* Update firmware options. */ 1120 qla2x00_set_fw_options(ha, ha->fw_options); 1121 } 1122 1123 void 1124 qla24xx_update_fw_options(scsi_qla_host_t *ha) 1125 { 1126 int rval; 1127 1128 /* Update Serial Link options. */ 1129 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0) 1130 return; 1131 1132 rval = qla2x00_set_serdes_params(ha, 1133 le16_to_cpu(ha->fw_seriallink_options24[1]), 1134 le16_to_cpu(ha->fw_seriallink_options24[2]), 1135 le16_to_cpu(ha->fw_seriallink_options24[3])); 1136 if (rval != QLA_SUCCESS) { 1137 qla_printk(KERN_WARNING, ha, 1138 "Unable to update Serial Link options (%x).\n", rval); 1139 } 1140 } 1141 1142 void 1143 qla2x00_config_rings(struct scsi_qla_host *ha) 1144 { 1145 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1146 1147 /* Setup ring parameters in initialization control block. */ 1148 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); 1149 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); 1150 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); 1151 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); 1152 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1153 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1154 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1155 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1156 1157 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); 1158 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); 1159 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); 1160 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); 1161 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 1162 } 1163 1164 void 1165 qla24xx_config_rings(struct scsi_qla_host *ha) 1166 { 1167 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1168 struct init_cb_24xx *icb; 1169 1170 /* Setup ring parameters in initialization control block. */ 1171 icb = (struct init_cb_24xx *)ha->init_cb; 1172 icb->request_q_outpointer = __constant_cpu_to_le16(0); 1173 icb->response_q_inpointer = __constant_cpu_to_le16(0); 1174 icb->request_q_length = cpu_to_le16(ha->request_q_length); 1175 icb->response_q_length = cpu_to_le16(ha->response_q_length); 1176 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1177 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1178 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1179 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1180 1181 WRT_REG_DWORD(®->req_q_in, 0); 1182 WRT_REG_DWORD(®->req_q_out, 0); 1183 WRT_REG_DWORD(®->rsp_q_in, 0); 1184 WRT_REG_DWORD(®->rsp_q_out, 0); 1185 RD_REG_DWORD(®->rsp_q_out); 1186 } 1187 1188 /** 1189 * qla2x00_init_rings() - Initializes firmware. 1190 * @ha: HA context 1191 * 1192 * Beginning of request ring has initialization control block already built 1193 * by nvram config routine. 1194 * 1195 * Returns 0 on success. 1196 */ 1197 static int 1198 qla2x00_init_rings(scsi_qla_host_t *ha) 1199 { 1200 int rval; 1201 unsigned long flags = 0; 1202 int cnt; 1203 struct mid_init_cb_24xx *mid_init_cb = 1204 (struct mid_init_cb_24xx *) ha->init_cb; 1205 1206 spin_lock_irqsave(&ha->hardware_lock, flags); 1207 1208 /* Clear outstanding commands array. */ 1209 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) 1210 ha->outstanding_cmds[cnt] = NULL; 1211 1212 ha->current_outstanding_cmd = 0; 1213 1214 /* Clear RSCN queue. */ 1215 ha->rscn_in_ptr = 0; 1216 ha->rscn_out_ptr = 0; 1217 1218 /* Initialize firmware. */ 1219 ha->request_ring_ptr = ha->request_ring; 1220 ha->req_ring_index = 0; 1221 ha->req_q_cnt = ha->request_q_length; 1222 ha->response_ring_ptr = ha->response_ring; 1223 ha->rsp_ring_index = 0; 1224 1225 /* Initialize response queue entries */ 1226 qla2x00_init_response_q_entries(ha); 1227 1228 ha->isp_ops->config_rings(ha); 1229 1230 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1231 1232 /* Update any ISP specific firmware options before initialization. */ 1233 ha->isp_ops->update_fw_options(ha); 1234 1235 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); 1236 1237 if (ha->flags.npiv_supported) 1238 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports); 1239 1240 mid_init_cb->options = __constant_cpu_to_le16(BIT_1); 1241 1242 rval = qla2x00_init_firmware(ha, ha->init_cb_size); 1243 if (rval) { 1244 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", 1245 ha->host_no)); 1246 } else { 1247 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", 1248 ha->host_no)); 1249 } 1250 1251 return (rval); 1252 } 1253 1254 /** 1255 * qla2x00_fw_ready() - Waits for firmware ready. 1256 * @ha: HA context 1257 * 1258 * Returns 0 on success. 1259 */ 1260 static int 1261 qla2x00_fw_ready(scsi_qla_host_t *ha) 1262 { 1263 int rval; 1264 unsigned long wtime, mtime, cs84xx_time; 1265 uint16_t min_wait; /* Minimum wait time if loop is down */ 1266 uint16_t wait_time; /* Wait time if loop is coming ready */ 1267 uint16_t state[3]; 1268 1269 rval = QLA_SUCCESS; 1270 1271 /* 20 seconds for loop down. */ 1272 min_wait = 20; 1273 1274 /* 1275 * Firmware should take at most one RATOV to login, plus 5 seconds for 1276 * our own processing. 1277 */ 1278 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 1279 wait_time = min_wait; 1280 } 1281 1282 /* Min wait time if loop down */ 1283 mtime = jiffies + (min_wait * HZ); 1284 1285 /* wait time before firmware ready */ 1286 wtime = jiffies + (wait_time * HZ); 1287 1288 /* Wait for ISP to finish LIP */ 1289 if (!ha->flags.init_done) 1290 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); 1291 1292 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", 1293 ha->host_no)); 1294 1295 do { 1296 rval = qla2x00_get_firmware_state(ha, state); 1297 if (rval == QLA_SUCCESS) { 1298 if (state[0] < FSTATE_LOSS_OF_SYNC) { 1299 ha->device_flags &= ~DFLG_NO_CABLE; 1300 } 1301 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) { 1302 DEBUG16(printk("scsi(%ld): fw_state=%x " 1303 "84xx=%x.\n", ha->host_no, state[0], 1304 state[2])); 1305 if ((state[2] & FSTATE_LOGGED_IN) && 1306 (state[2] & FSTATE_WAITING_FOR_VERIFY)) { 1307 DEBUG16(printk("scsi(%ld): Sending " 1308 "verify iocb.\n", ha->host_no)); 1309 1310 cs84xx_time = jiffies; 1311 rval = qla84xx_init_chip(ha); 1312 if (rval != QLA_SUCCESS) 1313 break; 1314 1315 /* Add time taken to initialize. */ 1316 cs84xx_time = jiffies - cs84xx_time; 1317 wtime += cs84xx_time; 1318 mtime += cs84xx_time; 1319 DEBUG16(printk("scsi(%ld): Increasing " 1320 "wait time by %ld. New time %ld\n", 1321 ha->host_no, cs84xx_time, wtime)); 1322 } 1323 } else if (state[0] == FSTATE_READY) { 1324 DEBUG(printk("scsi(%ld): F/W Ready - OK \n", 1325 ha->host_no)); 1326 1327 qla2x00_get_retry_cnt(ha, &ha->retry_count, 1328 &ha->login_timeout, &ha->r_a_tov); 1329 1330 rval = QLA_SUCCESS; 1331 break; 1332 } 1333 1334 rval = QLA_FUNCTION_FAILED; 1335 1336 if (atomic_read(&ha->loop_down_timer) && 1337 state[0] != FSTATE_READY) { 1338 /* Loop down. Timeout on min_wait for states 1339 * other than Wait for Login. 1340 */ 1341 if (time_after_eq(jiffies, mtime)) { 1342 qla_printk(KERN_INFO, ha, 1343 "Cable is unplugged...\n"); 1344 1345 ha->device_flags |= DFLG_NO_CABLE; 1346 break; 1347 } 1348 } 1349 } else { 1350 /* Mailbox cmd failed. Timeout on min_wait. */ 1351 if (time_after_eq(jiffies, mtime)) 1352 break; 1353 } 1354 1355 if (time_after_eq(jiffies, wtime)) 1356 break; 1357 1358 /* Delay for a while */ 1359 msleep(500); 1360 1361 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1362 ha->host_no, state[0], jiffies)); 1363 } while (1); 1364 1365 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1366 ha->host_no, state[0], jiffies)); 1367 1368 if (rval) { 1369 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", 1370 ha->host_no)); 1371 } 1372 1373 return (rval); 1374 } 1375 1376 /* 1377 * qla2x00_configure_hba 1378 * Setup adapter context. 1379 * 1380 * Input: 1381 * ha = adapter state pointer. 1382 * 1383 * Returns: 1384 * 0 = success 1385 * 1386 * Context: 1387 * Kernel context. 1388 */ 1389 static int 1390 qla2x00_configure_hba(scsi_qla_host_t *ha) 1391 { 1392 int rval; 1393 uint16_t loop_id; 1394 uint16_t topo; 1395 uint16_t sw_cap; 1396 uint8_t al_pa; 1397 uint8_t area; 1398 uint8_t domain; 1399 char connect_type[22]; 1400 1401 /* Get host addresses. */ 1402 rval = qla2x00_get_adapter_id(ha, 1403 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap); 1404 if (rval != QLA_SUCCESS) { 1405 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) || 1406 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { 1407 DEBUG2(printk("%s(%ld) Loop is in a transition state\n", 1408 __func__, ha->host_no)); 1409 } else { 1410 qla_printk(KERN_WARNING, ha, 1411 "ERROR -- Unable to get host loop ID.\n"); 1412 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 1413 } 1414 return (rval); 1415 } 1416 1417 if (topo == 4) { 1418 qla_printk(KERN_INFO, ha, 1419 "Cannot get topology - retrying.\n"); 1420 return (QLA_FUNCTION_FAILED); 1421 } 1422 1423 ha->loop_id = loop_id; 1424 1425 /* initialize */ 1426 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 1427 ha->operating_mode = LOOP; 1428 ha->switch_cap = 0; 1429 1430 switch (topo) { 1431 case 0: 1432 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", 1433 ha->host_no)); 1434 ha->current_topology = ISP_CFG_NL; 1435 strcpy(connect_type, "(Loop)"); 1436 break; 1437 1438 case 1: 1439 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", 1440 ha->host_no)); 1441 ha->switch_cap = sw_cap; 1442 ha->current_topology = ISP_CFG_FL; 1443 strcpy(connect_type, "(FL_Port)"); 1444 break; 1445 1446 case 2: 1447 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", 1448 ha->host_no)); 1449 ha->operating_mode = P2P; 1450 ha->current_topology = ISP_CFG_N; 1451 strcpy(connect_type, "(N_Port-to-N_Port)"); 1452 break; 1453 1454 case 3: 1455 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", 1456 ha->host_no)); 1457 ha->switch_cap = sw_cap; 1458 ha->operating_mode = P2P; 1459 ha->current_topology = ISP_CFG_F; 1460 strcpy(connect_type, "(F_Port)"); 1461 break; 1462 1463 default: 1464 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " 1465 "Using NL.\n", 1466 ha->host_no, topo)); 1467 ha->current_topology = ISP_CFG_NL; 1468 strcpy(connect_type, "(Loop)"); 1469 break; 1470 } 1471 1472 /* Save Host port and loop ID. */ 1473 /* byte order - Big Endian */ 1474 ha->d_id.b.domain = domain; 1475 ha->d_id.b.area = area; 1476 ha->d_id.b.al_pa = al_pa; 1477 1478 if (!ha->flags.init_done) 1479 qla_printk(KERN_INFO, ha, 1480 "Topology - %s, Host Loop address 0x%x\n", 1481 connect_type, ha->loop_id); 1482 1483 if (rval) { 1484 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); 1485 } else { 1486 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); 1487 } 1488 1489 return(rval); 1490 } 1491 1492 static inline void 1493 qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def) 1494 { 1495 char *st, *en; 1496 uint16_t index; 1497 1498 if (memcmp(model, BINZERO, len) != 0) { 1499 strncpy(ha->model_number, model, len); 1500 st = en = ha->model_number; 1501 en += len - 1; 1502 while (en > st) { 1503 if (*en != 0x20 && *en != 0x00) 1504 break; 1505 *en-- = '\0'; 1506 } 1507 1508 index = (ha->pdev->subsystem_device & 0xff); 1509 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 1510 index < QLA_MODEL_NAMES) 1511 strncpy(ha->model_desc, 1512 qla2x00_model_name[index * 2 + 1], 1513 sizeof(ha->model_desc) - 1); 1514 } else { 1515 index = (ha->pdev->subsystem_device & 0xff); 1516 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 1517 index < QLA_MODEL_NAMES) { 1518 strcpy(ha->model_number, 1519 qla2x00_model_name[index * 2]); 1520 strncpy(ha->model_desc, 1521 qla2x00_model_name[index * 2 + 1], 1522 sizeof(ha->model_desc) - 1); 1523 } else { 1524 strcpy(ha->model_number, def); 1525 } 1526 } 1527 if (IS_FWI2_CAPABLE(ha)) 1528 qla2xxx_get_vpd_field(ha, "\x82", ha->model_desc, 1529 sizeof(ha->model_desc)); 1530 } 1531 1532 /* On sparc systems, obtain port and node WWN from firmware 1533 * properties. 1534 */ 1535 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv) 1536 { 1537 #ifdef CONFIG_SPARC 1538 struct pci_dev *pdev = ha->pdev; 1539 struct device_node *dp = pci_device_to_OF_node(pdev); 1540 const u8 *val; 1541 int len; 1542 1543 val = of_get_property(dp, "port-wwn", &len); 1544 if (val && len >= WWN_SIZE) 1545 memcpy(nv->port_name, val, WWN_SIZE); 1546 1547 val = of_get_property(dp, "node-wwn", &len); 1548 if (val && len >= WWN_SIZE) 1549 memcpy(nv->node_name, val, WWN_SIZE); 1550 #endif 1551 } 1552 1553 /* 1554 * NVRAM configuration for ISP 2xxx 1555 * 1556 * Input: 1557 * ha = adapter block pointer. 1558 * 1559 * Output: 1560 * initialization control block in response_ring 1561 * host adapters parameters in host adapter block 1562 * 1563 * Returns: 1564 * 0 = success. 1565 */ 1566 int 1567 qla2x00_nvram_config(scsi_qla_host_t *ha) 1568 { 1569 int rval; 1570 uint8_t chksum = 0; 1571 uint16_t cnt; 1572 uint8_t *dptr1, *dptr2; 1573 init_cb_t *icb = ha->init_cb; 1574 nvram_t *nv = ha->nvram; 1575 uint8_t *ptr = ha->nvram; 1576 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1577 1578 rval = QLA_SUCCESS; 1579 1580 /* Determine NVRAM starting address. */ 1581 ha->nvram_size = sizeof(nvram_t); 1582 ha->nvram_base = 0; 1583 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 1584 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) 1585 ha->nvram_base = 0x80; 1586 1587 /* Get NVRAM data and calculate checksum. */ 1588 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size); 1589 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 1590 chksum += *ptr++; 1591 1592 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 1593 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); 1594 1595 /* Bad NVRAM data, set defaults parameters. */ 1596 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || 1597 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { 1598 /* Reset NVRAM data. */ 1599 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 1600 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 1601 nv->nvram_version); 1602 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 1603 "invalid -- WWPN) defaults.\n"); 1604 1605 if (chksum) 1606 qla2xxx_hw_event_log(ha, HW_EVENT_NVRAM_CHKSUM_ERR, 0, 1607 MSW(chksum), LSW(chksum)); 1608 1609 /* 1610 * Set default initialization control block. 1611 */ 1612 memset(nv, 0, ha->nvram_size); 1613 nv->parameter_block_version = ICB_VERSION; 1614 1615 if (IS_QLA23XX(ha)) { 1616 nv->firmware_options[0] = BIT_2 | BIT_1; 1617 nv->firmware_options[1] = BIT_7 | BIT_5; 1618 nv->add_firmware_options[0] = BIT_5; 1619 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1620 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1621 nv->special_options[1] = BIT_7; 1622 } else if (IS_QLA2200(ha)) { 1623 nv->firmware_options[0] = BIT_2 | BIT_1; 1624 nv->firmware_options[1] = BIT_7 | BIT_5; 1625 nv->add_firmware_options[0] = BIT_5; 1626 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1627 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1628 } else if (IS_QLA2100(ha)) { 1629 nv->firmware_options[0] = BIT_3 | BIT_1; 1630 nv->firmware_options[1] = BIT_5; 1631 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1632 } 1633 1634 nv->max_iocb_allocation = __constant_cpu_to_le16(256); 1635 nv->execution_throttle = __constant_cpu_to_le16(16); 1636 nv->retry_count = 8; 1637 nv->retry_delay = 1; 1638 1639 nv->port_name[0] = 33; 1640 nv->port_name[3] = 224; 1641 nv->port_name[4] = 139; 1642 1643 qla2xxx_nvram_wwn_from_ofw(ha, nv); 1644 1645 nv->login_timeout = 4; 1646 1647 /* 1648 * Set default host adapter parameters 1649 */ 1650 nv->host_p[1] = BIT_2; 1651 nv->reset_delay = 5; 1652 nv->port_down_retry_count = 8; 1653 nv->max_luns_per_target = __constant_cpu_to_le16(8); 1654 nv->link_down_timeout = 60; 1655 1656 rval = 1; 1657 } 1658 1659 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) 1660 /* 1661 * The SN2 does not provide BIOS emulation which means you can't change 1662 * potentially bogus BIOS settings. Force the use of default settings 1663 * for link rate and frame size. Hope that the rest of the settings 1664 * are valid. 1665 */ 1666 if (ia64_platform_is("sn2")) { 1667 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1668 if (IS_QLA23XX(ha)) 1669 nv->special_options[1] = BIT_7; 1670 } 1671 #endif 1672 1673 /* Reset Initialization control block */ 1674 memset(icb, 0, ha->init_cb_size); 1675 1676 /* 1677 * Setup driver NVRAM options. 1678 */ 1679 nv->firmware_options[0] |= (BIT_6 | BIT_1); 1680 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 1681 nv->firmware_options[1] |= (BIT_5 | BIT_0); 1682 nv->firmware_options[1] &= ~BIT_4; 1683 1684 if (IS_QLA23XX(ha)) { 1685 nv->firmware_options[0] |= BIT_2; 1686 nv->firmware_options[0] &= ~BIT_3; 1687 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 1688 1689 if (IS_QLA2300(ha)) { 1690 if (ha->fb_rev == FPM_2310) { 1691 strcpy(ha->model_number, "QLA2310"); 1692 } else { 1693 strcpy(ha->model_number, "QLA2300"); 1694 } 1695 } else { 1696 qla2x00_set_model_info(ha, nv->model_number, 1697 sizeof(nv->model_number), "QLA23xx"); 1698 } 1699 } else if (IS_QLA2200(ha)) { 1700 nv->firmware_options[0] |= BIT_2; 1701 /* 1702 * 'Point-to-point preferred, else loop' is not a safe 1703 * connection mode setting. 1704 */ 1705 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 1706 (BIT_5 | BIT_4)) { 1707 /* Force 'loop preferred, else point-to-point'. */ 1708 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 1709 nv->add_firmware_options[0] |= BIT_5; 1710 } 1711 strcpy(ha->model_number, "QLA22xx"); 1712 } else /*if (IS_QLA2100(ha))*/ { 1713 strcpy(ha->model_number, "QLA2100"); 1714 } 1715 1716 /* 1717 * Copy over NVRAM RISC parameter block to initialization control block. 1718 */ 1719 dptr1 = (uint8_t *)icb; 1720 dptr2 = (uint8_t *)&nv->parameter_block_version; 1721 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 1722 while (cnt--) 1723 *dptr1++ = *dptr2++; 1724 1725 /* Copy 2nd half. */ 1726 dptr1 = (uint8_t *)icb->add_firmware_options; 1727 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 1728 while (cnt--) 1729 *dptr1++ = *dptr2++; 1730 1731 /* Use alternate WWN? */ 1732 if (nv->host_p[1] & BIT_7) { 1733 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 1734 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 1735 } 1736 1737 /* Prepare nodename */ 1738 if ((icb->firmware_options[1] & BIT_6) == 0) { 1739 /* 1740 * Firmware will apply the following mask if the nodename was 1741 * not provided. 1742 */ 1743 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 1744 icb->node_name[0] &= 0xF0; 1745 } 1746 1747 /* 1748 * Set host adapter parameters. 1749 */ 1750 if (nv->host_p[0] & BIT_7) 1751 ql2xextended_error_logging = 1; 1752 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 1753 /* Always load RISC code on non ISP2[12]00 chips. */ 1754 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 1755 ha->flags.disable_risc_code_load = 0; 1756 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 1757 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 1758 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 1759 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; 1760 ha->flags.disable_serdes = 0; 1761 1762 ha->operating_mode = 1763 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 1764 1765 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 1766 sizeof(ha->fw_seriallink_options)); 1767 1768 /* save HBA serial number */ 1769 ha->serial0 = icb->port_name[5]; 1770 ha->serial1 = icb->port_name[6]; 1771 ha->serial2 = icb->port_name[7]; 1772 ha->node_name = icb->node_name; 1773 ha->port_name = icb->port_name; 1774 1775 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 1776 1777 ha->retry_count = nv->retry_count; 1778 1779 /* Set minimum login_timeout to 4 seconds. */ 1780 if (nv->login_timeout < ql2xlogintimeout) 1781 nv->login_timeout = ql2xlogintimeout; 1782 if (nv->login_timeout < 4) 1783 nv->login_timeout = 4; 1784 ha->login_timeout = nv->login_timeout; 1785 icb->login_timeout = nv->login_timeout; 1786 1787 /* Set minimum RATOV to 100 tenths of a second. */ 1788 ha->r_a_tov = 100; 1789 1790 ha->loop_reset_delay = nv->reset_delay; 1791 1792 /* Link Down Timeout = 0: 1793 * 1794 * When Port Down timer expires we will start returning 1795 * I/O's to OS with "DID_NO_CONNECT". 1796 * 1797 * Link Down Timeout != 0: 1798 * 1799 * The driver waits for the link to come up after link down 1800 * before returning I/Os to OS with "DID_NO_CONNECT". 1801 */ 1802 if (nv->link_down_timeout == 0) { 1803 ha->loop_down_abort_time = 1804 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 1805 } else { 1806 ha->link_down_timeout = nv->link_down_timeout; 1807 ha->loop_down_abort_time = 1808 (LOOP_DOWN_TIME - ha->link_down_timeout); 1809 } 1810 1811 /* 1812 * Need enough time to try and get the port back. 1813 */ 1814 ha->port_down_retry_count = nv->port_down_retry_count; 1815 if (qlport_down_retry) 1816 ha->port_down_retry_count = qlport_down_retry; 1817 /* Set login_retry_count */ 1818 ha->login_retry_count = nv->retry_count; 1819 if (ha->port_down_retry_count == nv->port_down_retry_count && 1820 ha->port_down_retry_count > 3) 1821 ha->login_retry_count = ha->port_down_retry_count; 1822 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 1823 ha->login_retry_count = ha->port_down_retry_count; 1824 if (ql2xloginretrycount) 1825 ha->login_retry_count = ql2xloginretrycount; 1826 1827 icb->lun_enables = __constant_cpu_to_le16(0); 1828 icb->command_resource_count = 0; 1829 icb->immediate_notify_resource_count = 0; 1830 icb->timeout = __constant_cpu_to_le16(0); 1831 1832 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 1833 /* Enable RIO */ 1834 icb->firmware_options[0] &= ~BIT_3; 1835 icb->add_firmware_options[0] &= 1836 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1837 icb->add_firmware_options[0] |= BIT_2; 1838 icb->response_accumulation_timer = 3; 1839 icb->interrupt_delay_timer = 5; 1840 1841 ha->flags.process_response_queue = 1; 1842 } else { 1843 /* Enable ZIO. */ 1844 if (!ha->flags.init_done) { 1845 ha->zio_mode = icb->add_firmware_options[0] & 1846 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1847 ha->zio_timer = icb->interrupt_delay_timer ? 1848 icb->interrupt_delay_timer: 2; 1849 } 1850 icb->add_firmware_options[0] &= 1851 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1852 ha->flags.process_response_queue = 0; 1853 if (ha->zio_mode != QLA_ZIO_DISABLED) { 1854 ha->zio_mode = QLA_ZIO_MODE_6; 1855 1856 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer " 1857 "delay (%d us).\n", ha->host_no, ha->zio_mode, 1858 ha->zio_timer * 100)); 1859 qla_printk(KERN_INFO, ha, 1860 "ZIO mode %d enabled; timer delay (%d us).\n", 1861 ha->zio_mode, ha->zio_timer * 100); 1862 1863 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; 1864 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; 1865 ha->flags.process_response_queue = 1; 1866 } 1867 } 1868 1869 if (rval) { 1870 DEBUG2_3(printk(KERN_WARNING 1871 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 1872 } 1873 return (rval); 1874 } 1875 1876 static void 1877 qla2x00_rport_del(void *data) 1878 { 1879 fc_port_t *fcport = data; 1880 struct fc_rport *rport; 1881 1882 spin_lock_irq(fcport->ha->host->host_lock); 1883 rport = fcport->drport; 1884 fcport->drport = NULL; 1885 spin_unlock_irq(fcport->ha->host->host_lock); 1886 if (rport) 1887 fc_remote_port_delete(rport); 1888 } 1889 1890 /** 1891 * qla2x00_alloc_fcport() - Allocate a generic fcport. 1892 * @ha: HA context 1893 * @flags: allocation flags 1894 * 1895 * Returns a pointer to the allocated fcport, or NULL, if none available. 1896 */ 1897 static fc_port_t * 1898 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags) 1899 { 1900 fc_port_t *fcport; 1901 1902 fcport = kzalloc(sizeof(fc_port_t), flags); 1903 if (!fcport) 1904 return NULL; 1905 1906 /* Setup fcport template structure. */ 1907 fcport->ha = ha; 1908 fcport->vp_idx = ha->vp_idx; 1909 fcport->port_type = FCT_UNKNOWN; 1910 fcport->loop_id = FC_NO_LOOP_ID; 1911 atomic_set(&fcport->state, FCS_UNCONFIGURED); 1912 fcport->flags = FCF_RLC_SUPPORT; 1913 fcport->supported_classes = FC_COS_UNSPECIFIED; 1914 1915 return fcport; 1916 } 1917 1918 /* 1919 * qla2x00_configure_loop 1920 * Updates Fibre Channel Device Database with what is actually on loop. 1921 * 1922 * Input: 1923 * ha = adapter block pointer. 1924 * 1925 * Returns: 1926 * 0 = success. 1927 * 1 = error. 1928 * 2 = database was full and device was not configured. 1929 */ 1930 static int 1931 qla2x00_configure_loop(scsi_qla_host_t *ha) 1932 { 1933 int rval; 1934 unsigned long flags, save_flags; 1935 1936 rval = QLA_SUCCESS; 1937 1938 /* Get Initiator ID */ 1939 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { 1940 rval = qla2x00_configure_hba(ha); 1941 if (rval != QLA_SUCCESS) { 1942 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", 1943 ha->host_no)); 1944 return (rval); 1945 } 1946 } 1947 1948 save_flags = flags = ha->dpc_flags; 1949 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", 1950 ha->host_no, flags)); 1951 1952 /* 1953 * If we have both an RSCN and PORT UPDATE pending then handle them 1954 * both at the same time. 1955 */ 1956 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1957 clear_bit(RSCN_UPDATE, &ha->dpc_flags); 1958 1959 /* Determine what we need to do */ 1960 if (ha->current_topology == ISP_CFG_FL && 1961 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1962 1963 ha->flags.rscn_queue_overflow = 1; 1964 set_bit(RSCN_UPDATE, &flags); 1965 1966 } else if (ha->current_topology == ISP_CFG_F && 1967 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1968 1969 ha->flags.rscn_queue_overflow = 1; 1970 set_bit(RSCN_UPDATE, &flags); 1971 clear_bit(LOCAL_LOOP_UPDATE, &flags); 1972 1973 } else if (ha->current_topology == ISP_CFG_N) { 1974 clear_bit(RSCN_UPDATE, &flags); 1975 1976 } else if (!ha->flags.online || 1977 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 1978 1979 ha->flags.rscn_queue_overflow = 1; 1980 set_bit(RSCN_UPDATE, &flags); 1981 set_bit(LOCAL_LOOP_UPDATE, &flags); 1982 } 1983 1984 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 1985 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1986 rval = QLA_FUNCTION_FAILED; 1987 } else { 1988 rval = qla2x00_configure_local_loop(ha); 1989 } 1990 } 1991 1992 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 1993 if (LOOP_TRANSITION(ha)) { 1994 rval = QLA_FUNCTION_FAILED; 1995 } else { 1996 rval = qla2x00_configure_fabric(ha); 1997 } 1998 } 1999 2000 if (rval == QLA_SUCCESS) { 2001 if (atomic_read(&ha->loop_down_timer) || 2002 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 2003 rval = QLA_FUNCTION_FAILED; 2004 } else { 2005 atomic_set(&ha->loop_state, LOOP_READY); 2006 2007 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); 2008 } 2009 } 2010 2011 if (rval) { 2012 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", 2013 __func__, ha->host_no)); 2014 } else { 2015 DEBUG3(printk("%s: exiting normally\n", __func__)); 2016 } 2017 2018 /* Restore state if a resync event occured during processing */ 2019 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 2020 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 2021 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 2022 if (test_bit(RSCN_UPDATE, &save_flags)) { 2023 ha->flags.rscn_queue_overflow = 1; 2024 set_bit(RSCN_UPDATE, &ha->dpc_flags); 2025 } 2026 } 2027 2028 return (rval); 2029 } 2030 2031 2032 2033 /* 2034 * qla2x00_configure_local_loop 2035 * Updates Fibre Channel Device Database with local loop devices. 2036 * 2037 * Input: 2038 * ha = adapter block pointer. 2039 * 2040 * Returns: 2041 * 0 = success. 2042 */ 2043 static int 2044 qla2x00_configure_local_loop(scsi_qla_host_t *ha) 2045 { 2046 int rval, rval2; 2047 int found_devs; 2048 int found; 2049 fc_port_t *fcport, *new_fcport; 2050 2051 uint16_t index; 2052 uint16_t entries; 2053 char *id_iter; 2054 uint16_t loop_id; 2055 uint8_t domain, area, al_pa; 2056 scsi_qla_host_t *pha = to_qla_parent(ha); 2057 2058 found_devs = 0; 2059 new_fcport = NULL; 2060 entries = MAX_FIBRE_DEVICES; 2061 2062 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); 2063 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); 2064 2065 /* Get list of logged in devices. */ 2066 memset(ha->gid_list, 0, GID_LIST_SIZE); 2067 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, 2068 &entries); 2069 if (rval != QLA_SUCCESS) 2070 goto cleanup_allocation; 2071 2072 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", 2073 ha->host_no, entries)); 2074 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, 2075 entries * sizeof(struct gid_list_info))); 2076 2077 /* Allocate temporary fcport for any new fcports discovered. */ 2078 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2079 if (new_fcport == NULL) { 2080 rval = QLA_MEMORY_ALLOC_FAILED; 2081 goto cleanup_allocation; 2082 } 2083 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 2084 2085 /* 2086 * Mark local devices that were present with FCF_DEVICE_LOST for now. 2087 */ 2088 list_for_each_entry(fcport, &pha->fcports, list) { 2089 if (fcport->vp_idx != ha->vp_idx) 2090 continue; 2091 2092 if (atomic_read(&fcport->state) == FCS_ONLINE && 2093 fcport->port_type != FCT_BROADCAST && 2094 (fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2095 2096 DEBUG(printk("scsi(%ld): Marking port lost, " 2097 "loop_id=0x%04x\n", 2098 ha->host_no, fcport->loop_id)); 2099 2100 atomic_set(&fcport->state, FCS_DEVICE_LOST); 2101 fcport->flags &= ~FCF_FARP_DONE; 2102 } 2103 } 2104 2105 /* Add devices to port list. */ 2106 id_iter = (char *)ha->gid_list; 2107 for (index = 0; index < entries; index++) { 2108 domain = ((struct gid_list_info *)id_iter)->domain; 2109 area = ((struct gid_list_info *)id_iter)->area; 2110 al_pa = ((struct gid_list_info *)id_iter)->al_pa; 2111 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 2112 loop_id = (uint16_t) 2113 ((struct gid_list_info *)id_iter)->loop_id_2100; 2114 else 2115 loop_id = le16_to_cpu( 2116 ((struct gid_list_info *)id_iter)->loop_id); 2117 id_iter += ha->gid_list_info_size; 2118 2119 /* Bypass reserved domain fields. */ 2120 if ((domain & 0xf0) == 0xf0) 2121 continue; 2122 2123 /* Bypass if not same domain and area of adapter. */ 2124 if (area && domain && 2125 (area != ha->d_id.b.area || domain != ha->d_id.b.domain)) 2126 continue; 2127 2128 /* Bypass invalid local loop ID. */ 2129 if (loop_id > LAST_LOCAL_LOOP_ID) 2130 continue; 2131 2132 /* Fill in member data. */ 2133 new_fcport->d_id.b.domain = domain; 2134 new_fcport->d_id.b.area = area; 2135 new_fcport->d_id.b.al_pa = al_pa; 2136 new_fcport->loop_id = loop_id; 2137 new_fcport->vp_idx = ha->vp_idx; 2138 rval2 = qla2x00_get_port_database(ha, new_fcport, 0); 2139 if (rval2 != QLA_SUCCESS) { 2140 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " 2141 "information -- get_port_database=%x, " 2142 "loop_id=0x%04x\n", 2143 ha->host_no, rval2, new_fcport->loop_id)); 2144 DEBUG2(printk("scsi(%ld): Scheduling resync...\n", 2145 ha->host_no)); 2146 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 2147 continue; 2148 } 2149 2150 /* Check for matching device in port list. */ 2151 found = 0; 2152 fcport = NULL; 2153 list_for_each_entry(fcport, &pha->fcports, list) { 2154 if (fcport->vp_idx != ha->vp_idx) 2155 continue; 2156 2157 if (memcmp(new_fcport->port_name, fcport->port_name, 2158 WWN_SIZE)) 2159 continue; 2160 2161 fcport->flags &= ~(FCF_FABRIC_DEVICE | 2162 FCF_PERSISTENT_BOUND); 2163 fcport->loop_id = new_fcport->loop_id; 2164 fcport->port_type = new_fcport->port_type; 2165 fcport->d_id.b24 = new_fcport->d_id.b24; 2166 memcpy(fcport->node_name, new_fcport->node_name, 2167 WWN_SIZE); 2168 2169 found++; 2170 break; 2171 } 2172 2173 if (!found) { 2174 /* New device, add to fcports list. */ 2175 new_fcport->flags &= ~FCF_PERSISTENT_BOUND; 2176 if (ha->parent) { 2177 new_fcport->ha = ha; 2178 new_fcport->vp_idx = ha->vp_idx; 2179 list_add_tail(&new_fcport->vp_fcport, 2180 &ha->vp_fcports); 2181 } 2182 list_add_tail(&new_fcport->list, &pha->fcports); 2183 2184 /* Allocate a new replacement fcport. */ 2185 fcport = new_fcport; 2186 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2187 if (new_fcport == NULL) { 2188 rval = QLA_MEMORY_ALLOC_FAILED; 2189 goto cleanup_allocation; 2190 } 2191 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 2192 } 2193 2194 /* Base iIDMA settings on HBA port speed. */ 2195 fcport->fp_speed = ha->link_data_rate; 2196 2197 qla2x00_update_fcport(ha, fcport); 2198 2199 found_devs++; 2200 } 2201 2202 cleanup_allocation: 2203 kfree(new_fcport); 2204 2205 if (rval != QLA_SUCCESS) { 2206 DEBUG2(printk("scsi(%ld): Configure local loop error exit: " 2207 "rval=%x\n", ha->host_no, rval)); 2208 } 2209 2210 if (found_devs) { 2211 ha->device_flags |= DFLG_LOCAL_DEVICES; 2212 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; 2213 } 2214 2215 return (rval); 2216 } 2217 2218 static void 2219 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2220 { 2221 #define LS_UNKNOWN 2 2222 static char *link_speeds[5] = { "1", "2", "?", "4", "8" }; 2223 int rval; 2224 uint16_t mb[6]; 2225 2226 if (!IS_IIDMA_CAPABLE(ha)) 2227 return; 2228 2229 if (fcport->fp_speed == PORT_SPEED_UNKNOWN || 2230 fcport->fp_speed > ha->link_data_rate) 2231 return; 2232 2233 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed, 2234 mb); 2235 if (rval != QLA_SUCCESS) { 2236 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA " 2237 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n", 2238 ha->host_no, fcport->port_name[0], fcport->port_name[1], 2239 fcport->port_name[2], fcport->port_name[3], 2240 fcport->port_name[4], fcport->port_name[5], 2241 fcport->port_name[6], fcport->port_name[7], rval, 2242 fcport->fp_speed, mb[0], mb[1])); 2243 } else { 2244 DEBUG2(qla_printk(KERN_INFO, ha, 2245 "iIDMA adjusted to %s GB/s on " 2246 "%02x%02x%02x%02x%02x%02x%02x%02x.\n", 2247 link_speeds[fcport->fp_speed], fcport->port_name[0], 2248 fcport->port_name[1], fcport->port_name[2], 2249 fcport->port_name[3], fcport->port_name[4], 2250 fcport->port_name[5], fcport->port_name[6], 2251 fcport->port_name[7])); 2252 } 2253 } 2254 2255 static void 2256 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 2257 { 2258 struct fc_rport_identifiers rport_ids; 2259 struct fc_rport *rport; 2260 2261 if (fcport->drport) 2262 qla2x00_rport_del(fcport); 2263 2264 rport_ids.node_name = wwn_to_u64(fcport->node_name); 2265 rport_ids.port_name = wwn_to_u64(fcport->port_name); 2266 rport_ids.port_id = fcport->d_id.b.domain << 16 | 2267 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 2268 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2269 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids); 2270 if (!rport) { 2271 qla_printk(KERN_WARNING, ha, 2272 "Unable to allocate fc remote port!\n"); 2273 return; 2274 } 2275 spin_lock_irq(fcport->ha->host->host_lock); 2276 *((fc_port_t **)rport->dd_data) = fcport; 2277 spin_unlock_irq(fcport->ha->host->host_lock); 2278 2279 rport->supported_classes = fcport->supported_classes; 2280 2281 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2282 if (fcport->port_type == FCT_INITIATOR) 2283 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; 2284 if (fcport->port_type == FCT_TARGET) 2285 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 2286 fc_remote_port_rolechg(rport, rport_ids.roles); 2287 } 2288 2289 /* 2290 * qla2x00_update_fcport 2291 * Updates device on list. 2292 * 2293 * Input: 2294 * ha = adapter block pointer. 2295 * fcport = port structure pointer. 2296 * 2297 * Return: 2298 * 0 - Success 2299 * BIT_0 - error 2300 * 2301 * Context: 2302 * Kernel context. 2303 */ 2304 void 2305 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2306 { 2307 scsi_qla_host_t *pha = to_qla_parent(ha); 2308 2309 fcport->ha = ha; 2310 fcport->login_retry = 0; 2311 fcport->port_login_retry_count = pha->port_down_retry_count * 2312 PORT_RETRY_TIME; 2313 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count * 2314 PORT_RETRY_TIME); 2315 fcport->flags &= ~FCF_LOGIN_NEEDED; 2316 2317 qla2x00_iidma_fcport(ha, fcport); 2318 2319 atomic_set(&fcport->state, FCS_ONLINE); 2320 2321 qla2x00_reg_remote_port(ha, fcport); 2322 } 2323 2324 /* 2325 * qla2x00_configure_fabric 2326 * Setup SNS devices with loop ID's. 2327 * 2328 * Input: 2329 * ha = adapter block pointer. 2330 * 2331 * Returns: 2332 * 0 = success. 2333 * BIT_0 = error 2334 */ 2335 static int 2336 qla2x00_configure_fabric(scsi_qla_host_t *ha) 2337 { 2338 int rval, rval2; 2339 fc_port_t *fcport, *fcptemp; 2340 uint16_t next_loopid; 2341 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2342 uint16_t loop_id; 2343 LIST_HEAD(new_fcports); 2344 scsi_qla_host_t *pha = to_qla_parent(ha); 2345 2346 /* If FL port exists, then SNS is present */ 2347 if (IS_FWI2_CAPABLE(ha)) 2348 loop_id = NPH_F_PORT; 2349 else 2350 loop_id = SNS_FL_PORT; 2351 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1); 2352 if (rval != QLA_SUCCESS) { 2353 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " 2354 "Port\n", ha->host_no)); 2355 2356 ha->device_flags &= ~SWITCH_FOUND; 2357 return (QLA_SUCCESS); 2358 } 2359 ha->device_flags |= SWITCH_FOUND; 2360 2361 /* Mark devices that need re-synchronization. */ 2362 rval2 = qla2x00_device_resync(ha); 2363 if (rval2 == QLA_RSCNS_HANDLED) { 2364 /* No point doing the scan, just continue. */ 2365 return (QLA_SUCCESS); 2366 } 2367 do { 2368 /* FDMI support. */ 2369 if (ql2xfdmienable && 2370 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags)) 2371 qla2x00_fdmi_register(ha); 2372 2373 /* Ensure we are logged into the SNS. */ 2374 if (IS_FWI2_CAPABLE(ha)) 2375 loop_id = NPH_SNS; 2376 else 2377 loop_id = SIMPLE_NAME_SERVER; 2378 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff, 2379 0xfc, mb, BIT_1 | BIT_0); 2380 if (mb[0] != MBS_COMMAND_COMPLETE) { 2381 DEBUG2(qla_printk(KERN_INFO, ha, 2382 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 2383 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, 2384 mb[0], mb[1], mb[2], mb[6], mb[7])); 2385 return (QLA_SUCCESS); 2386 } 2387 2388 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { 2389 if (qla2x00_rft_id(ha)) { 2390 /* EMPTY */ 2391 DEBUG2(printk("scsi(%ld): Register FC-4 " 2392 "TYPE failed.\n", ha->host_no)); 2393 } 2394 if (qla2x00_rff_id(ha)) { 2395 /* EMPTY */ 2396 DEBUG2(printk("scsi(%ld): Register FC-4 " 2397 "Features failed.\n", ha->host_no)); 2398 } 2399 if (qla2x00_rnn_id(ha)) { 2400 /* EMPTY */ 2401 DEBUG2(printk("scsi(%ld): Register Node Name " 2402 "failed.\n", ha->host_no)); 2403 } else if (qla2x00_rsnn_nn(ha)) { 2404 /* EMPTY */ 2405 DEBUG2(printk("scsi(%ld): Register Symbolic " 2406 "Node Name failed.\n", ha->host_no)); 2407 } 2408 } 2409 2410 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); 2411 if (rval != QLA_SUCCESS) 2412 break; 2413 2414 /* 2415 * Logout all previous fabric devices marked lost, except 2416 * tape devices. 2417 */ 2418 list_for_each_entry(fcport, &pha->fcports, list) { 2419 if (fcport->vp_idx !=ha->vp_idx) 2420 continue; 2421 2422 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2423 break; 2424 2425 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 2426 continue; 2427 2428 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 2429 qla2x00_mark_device_lost(ha, fcport, 2430 ql2xplogiabsentdevice, 0); 2431 if (fcport->loop_id != FC_NO_LOOP_ID && 2432 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2433 fcport->port_type != FCT_INITIATOR && 2434 fcport->port_type != FCT_BROADCAST) { 2435 ha->isp_ops->fabric_logout(ha, 2436 fcport->loop_id, 2437 fcport->d_id.b.domain, 2438 fcport->d_id.b.area, 2439 fcport->d_id.b.al_pa); 2440 fcport->loop_id = FC_NO_LOOP_ID; 2441 } 2442 } 2443 } 2444 2445 /* Starting free loop ID. */ 2446 next_loopid = pha->min_external_loopid; 2447 2448 /* 2449 * Scan through our port list and login entries that need to be 2450 * logged in. 2451 */ 2452 list_for_each_entry(fcport, &pha->fcports, list) { 2453 if (fcport->vp_idx != ha->vp_idx) 2454 continue; 2455 2456 if (atomic_read(&ha->loop_down_timer) || 2457 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2458 break; 2459 2460 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2461 (fcport->flags & FCF_LOGIN_NEEDED) == 0) 2462 continue; 2463 2464 if (fcport->loop_id == FC_NO_LOOP_ID) { 2465 fcport->loop_id = next_loopid; 2466 rval = qla2x00_find_new_loop_id( 2467 to_qla_parent(ha), fcport); 2468 if (rval != QLA_SUCCESS) { 2469 /* Ran out of IDs to use */ 2470 break; 2471 } 2472 } 2473 /* Login and update database */ 2474 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2475 } 2476 2477 /* Exit if out of loop IDs. */ 2478 if (rval != QLA_SUCCESS) { 2479 break; 2480 } 2481 2482 /* 2483 * Login and add the new devices to our port list. 2484 */ 2485 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2486 if (atomic_read(&ha->loop_down_timer) || 2487 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2488 break; 2489 2490 /* Find a new loop ID to use. */ 2491 fcport->loop_id = next_loopid; 2492 rval = qla2x00_find_new_loop_id(to_qla_parent(ha), 2493 fcport); 2494 if (rval != QLA_SUCCESS) { 2495 /* Ran out of IDs to use */ 2496 break; 2497 } 2498 2499 /* Login and update database */ 2500 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2501 2502 if (ha->parent) { 2503 fcport->ha = ha; 2504 fcport->vp_idx = ha->vp_idx; 2505 list_add_tail(&fcport->vp_fcport, 2506 &ha->vp_fcports); 2507 list_move_tail(&fcport->list, 2508 &ha->parent->fcports); 2509 } else 2510 list_move_tail(&fcport->list, &ha->fcports); 2511 } 2512 } while (0); 2513 2514 /* Free all new device structures not processed. */ 2515 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2516 list_del(&fcport->list); 2517 kfree(fcport); 2518 } 2519 2520 if (rval) { 2521 DEBUG2(printk("scsi(%ld): Configure fabric error exit: " 2522 "rval=%d\n", ha->host_no, rval)); 2523 } 2524 2525 return (rval); 2526 } 2527 2528 2529 /* 2530 * qla2x00_find_all_fabric_devs 2531 * 2532 * Input: 2533 * ha = adapter block pointer. 2534 * dev = database device entry pointer. 2535 * 2536 * Returns: 2537 * 0 = success. 2538 * 2539 * Context: 2540 * Kernel context. 2541 */ 2542 static int 2543 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) 2544 { 2545 int rval; 2546 uint16_t loop_id; 2547 fc_port_t *fcport, *new_fcport, *fcptemp; 2548 int found; 2549 2550 sw_info_t *swl; 2551 int swl_idx; 2552 int first_dev, last_dev; 2553 port_id_t wrap, nxt_d_id; 2554 int vp_index; 2555 int empty_vp_index; 2556 int found_vp; 2557 scsi_qla_host_t *vha; 2558 scsi_qla_host_t *pha = to_qla_parent(ha); 2559 2560 rval = QLA_SUCCESS; 2561 2562 /* Try GID_PT to get device list, else GAN. */ 2563 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC); 2564 if (!swl) { 2565 /*EMPTY*/ 2566 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2567 "on GA_NXT\n", ha->host_no)); 2568 } else { 2569 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { 2570 kfree(swl); 2571 swl = NULL; 2572 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { 2573 kfree(swl); 2574 swl = NULL; 2575 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { 2576 kfree(swl); 2577 swl = NULL; 2578 } else if (ql2xiidmaenable && 2579 qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) { 2580 qla2x00_gpsc(ha, swl); 2581 } 2582 } 2583 swl_idx = 0; 2584 2585 /* Allocate temporary fcport for any new fcports discovered. */ 2586 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2587 if (new_fcport == NULL) { 2588 kfree(swl); 2589 return (QLA_MEMORY_ALLOC_FAILED); 2590 } 2591 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2592 new_fcport->vp_idx = ha->vp_idx; 2593 /* Set start port ID scan at adapter ID. */ 2594 first_dev = 1; 2595 last_dev = 0; 2596 2597 /* Starting free loop ID. */ 2598 loop_id = pha->min_external_loopid; 2599 for (; loop_id <= ha->last_loop_id; loop_id++) { 2600 if (qla2x00_is_reserved_id(ha, loop_id)) 2601 continue; 2602 2603 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) 2604 break; 2605 2606 if (swl != NULL) { 2607 if (last_dev) { 2608 wrap.b24 = new_fcport->d_id.b24; 2609 } else { 2610 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 2611 memcpy(new_fcport->node_name, 2612 swl[swl_idx].node_name, WWN_SIZE); 2613 memcpy(new_fcport->port_name, 2614 swl[swl_idx].port_name, WWN_SIZE); 2615 memcpy(new_fcport->fabric_port_name, 2616 swl[swl_idx].fabric_port_name, WWN_SIZE); 2617 new_fcport->fp_speed = swl[swl_idx].fp_speed; 2618 2619 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 2620 last_dev = 1; 2621 } 2622 swl_idx++; 2623 } 2624 } else { 2625 /* Send GA_NXT to the switch */ 2626 rval = qla2x00_ga_nxt(ha, new_fcport); 2627 if (rval != QLA_SUCCESS) { 2628 qla_printk(KERN_WARNING, ha, 2629 "SNS scan failed -- assuming zero-entry " 2630 "result...\n"); 2631 list_for_each_entry_safe(fcport, fcptemp, 2632 new_fcports, list) { 2633 list_del(&fcport->list); 2634 kfree(fcport); 2635 } 2636 rval = QLA_SUCCESS; 2637 break; 2638 } 2639 } 2640 2641 /* If wrap on switch device list, exit. */ 2642 if (first_dev) { 2643 wrap.b24 = new_fcport->d_id.b24; 2644 first_dev = 0; 2645 } else if (new_fcport->d_id.b24 == wrap.b24) { 2646 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", 2647 ha->host_no, new_fcport->d_id.b.domain, 2648 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); 2649 break; 2650 } 2651 2652 /* Bypass if same physical adapter. */ 2653 if (new_fcport->d_id.b24 == pha->d_id.b24) 2654 continue; 2655 2656 /* Bypass virtual ports of the same host. */ 2657 if (pha->num_vhosts) { 2658 for_each_mapped_vp_idx(pha, vp_index) { 2659 empty_vp_index = 1; 2660 found_vp = 0; 2661 list_for_each_entry(vha, &pha->vp_list, 2662 vp_list) { 2663 if (vp_index == vha->vp_idx) { 2664 empty_vp_index = 0; 2665 found_vp = 1; 2666 break; 2667 } 2668 } 2669 2670 if (empty_vp_index) 2671 continue; 2672 2673 if (found_vp && 2674 new_fcport->d_id.b24 == vha->d_id.b24) 2675 break; 2676 } 2677 2678 if (vp_index <= pha->max_npiv_vports) 2679 continue; 2680 } 2681 2682 /* Bypass if same domain and area of adapter. */ 2683 if (((new_fcport->d_id.b24 & 0xffff00) == 2684 (ha->d_id.b24 & 0xffff00)) && ha->current_topology == 2685 ISP_CFG_FL) 2686 continue; 2687 2688 /* Bypass reserved domain fields. */ 2689 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 2690 continue; 2691 2692 /* Locate matching device in database. */ 2693 found = 0; 2694 list_for_each_entry(fcport, &pha->fcports, list) { 2695 if (new_fcport->vp_idx != fcport->vp_idx) 2696 continue; 2697 if (memcmp(new_fcport->port_name, fcport->port_name, 2698 WWN_SIZE)) 2699 continue; 2700 2701 found++; 2702 2703 /* Update port state. */ 2704 memcpy(fcport->fabric_port_name, 2705 new_fcport->fabric_port_name, WWN_SIZE); 2706 fcport->fp_speed = new_fcport->fp_speed; 2707 2708 /* 2709 * If address the same and state FCS_ONLINE, nothing 2710 * changed. 2711 */ 2712 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 2713 atomic_read(&fcport->state) == FCS_ONLINE) { 2714 break; 2715 } 2716 2717 /* 2718 * If device was not a fabric device before. 2719 */ 2720 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2721 fcport->d_id.b24 = new_fcport->d_id.b24; 2722 fcport->loop_id = FC_NO_LOOP_ID; 2723 fcport->flags |= (FCF_FABRIC_DEVICE | 2724 FCF_LOGIN_NEEDED); 2725 fcport->flags &= ~FCF_PERSISTENT_BOUND; 2726 break; 2727 } 2728 2729 /* 2730 * Port ID changed or device was marked to be updated; 2731 * Log it out if still logged in and mark it for 2732 * relogin later. 2733 */ 2734 fcport->d_id.b24 = new_fcport->d_id.b24; 2735 fcport->flags |= FCF_LOGIN_NEEDED; 2736 if (fcport->loop_id != FC_NO_LOOP_ID && 2737 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2738 fcport->port_type != FCT_INITIATOR && 2739 fcport->port_type != FCT_BROADCAST) { 2740 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 2741 fcport->d_id.b.domain, fcport->d_id.b.area, 2742 fcport->d_id.b.al_pa); 2743 fcport->loop_id = FC_NO_LOOP_ID; 2744 } 2745 2746 break; 2747 } 2748 2749 if (found) 2750 continue; 2751 2752 /* If device was not in our fcports list, then add it. */ 2753 list_add_tail(&new_fcport->list, new_fcports); 2754 2755 /* Allocate a new replacement fcport. */ 2756 nxt_d_id.b24 = new_fcport->d_id.b24; 2757 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2758 if (new_fcport == NULL) { 2759 kfree(swl); 2760 return (QLA_MEMORY_ALLOC_FAILED); 2761 } 2762 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2763 new_fcport->d_id.b24 = nxt_d_id.b24; 2764 new_fcport->vp_idx = ha->vp_idx; 2765 } 2766 2767 kfree(swl); 2768 kfree(new_fcport); 2769 2770 if (!list_empty(new_fcports)) 2771 ha->device_flags |= DFLG_FABRIC_DEVICES; 2772 2773 return (rval); 2774 } 2775 2776 /* 2777 * qla2x00_find_new_loop_id 2778 * Scan through our port list and find a new usable loop ID. 2779 * 2780 * Input: 2781 * ha: adapter state pointer. 2782 * dev: port structure pointer. 2783 * 2784 * Returns: 2785 * qla2x00 local function return status code. 2786 * 2787 * Context: 2788 * Kernel context. 2789 */ 2790 static int 2791 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) 2792 { 2793 int rval; 2794 int found; 2795 fc_port_t *fcport; 2796 uint16_t first_loop_id; 2797 scsi_qla_host_t *pha = to_qla_parent(ha); 2798 2799 rval = QLA_SUCCESS; 2800 2801 /* Save starting loop ID. */ 2802 first_loop_id = dev->loop_id; 2803 2804 for (;;) { 2805 /* Skip loop ID if already used by adapter. */ 2806 if (dev->loop_id == ha->loop_id) { 2807 dev->loop_id++; 2808 } 2809 2810 /* Skip reserved loop IDs. */ 2811 while (qla2x00_is_reserved_id(ha, dev->loop_id)) { 2812 dev->loop_id++; 2813 } 2814 2815 /* Reset loop ID if passed the end. */ 2816 if (dev->loop_id > ha->last_loop_id) { 2817 /* first loop ID. */ 2818 dev->loop_id = ha->min_external_loopid; 2819 } 2820 2821 /* Check for loop ID being already in use. */ 2822 found = 0; 2823 fcport = NULL; 2824 list_for_each_entry(fcport, &pha->fcports, list) { 2825 if (fcport->loop_id == dev->loop_id && fcport != dev) { 2826 /* ID possibly in use */ 2827 found++; 2828 break; 2829 } 2830 } 2831 2832 /* If not in use then it is free to use. */ 2833 if (!found) { 2834 break; 2835 } 2836 2837 /* ID in use. Try next value. */ 2838 dev->loop_id++; 2839 2840 /* If wrap around. No free ID to use. */ 2841 if (dev->loop_id == first_loop_id) { 2842 dev->loop_id = FC_NO_LOOP_ID; 2843 rval = QLA_FUNCTION_FAILED; 2844 break; 2845 } 2846 } 2847 2848 return (rval); 2849 } 2850 2851 /* 2852 * qla2x00_device_resync 2853 * Marks devices in the database that needs resynchronization. 2854 * 2855 * Input: 2856 * ha = adapter block pointer. 2857 * 2858 * Context: 2859 * Kernel context. 2860 */ 2861 static int 2862 qla2x00_device_resync(scsi_qla_host_t *ha) 2863 { 2864 int rval; 2865 uint32_t mask; 2866 fc_port_t *fcport; 2867 uint32_t rscn_entry; 2868 uint8_t rscn_out_iter; 2869 uint8_t format; 2870 port_id_t d_id; 2871 scsi_qla_host_t *pha = to_qla_parent(ha); 2872 2873 rval = QLA_RSCNS_HANDLED; 2874 2875 while (ha->rscn_out_ptr != ha->rscn_in_ptr || 2876 ha->flags.rscn_queue_overflow) { 2877 2878 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; 2879 format = MSB(MSW(rscn_entry)); 2880 d_id.b.domain = LSB(MSW(rscn_entry)); 2881 d_id.b.area = MSB(LSW(rscn_entry)); 2882 d_id.b.al_pa = LSB(LSW(rscn_entry)); 2883 2884 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " 2885 "[%02x/%02x%02x%02x].\n", 2886 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, 2887 d_id.b.area, d_id.b.al_pa)); 2888 2889 ha->rscn_out_ptr++; 2890 if (ha->rscn_out_ptr == MAX_RSCN_COUNT) 2891 ha->rscn_out_ptr = 0; 2892 2893 /* Skip duplicate entries. */ 2894 for (rscn_out_iter = ha->rscn_out_ptr; 2895 !ha->flags.rscn_queue_overflow && 2896 rscn_out_iter != ha->rscn_in_ptr; 2897 rscn_out_iter = (rscn_out_iter == 2898 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { 2899 2900 if (rscn_entry != ha->rscn_queue[rscn_out_iter]) 2901 break; 2902 2903 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " 2904 "entry found at [%d].\n", ha->host_no, 2905 rscn_out_iter)); 2906 2907 ha->rscn_out_ptr = rscn_out_iter; 2908 } 2909 2910 /* Queue overflow, set switch default case. */ 2911 if (ha->flags.rscn_queue_overflow) { 2912 DEBUG(printk("scsi(%ld): device_resync: rscn " 2913 "overflow.\n", ha->host_no)); 2914 2915 format = 3; 2916 ha->flags.rscn_queue_overflow = 0; 2917 } 2918 2919 switch (format) { 2920 case 0: 2921 mask = 0xffffff; 2922 break; 2923 case 1: 2924 mask = 0xffff00; 2925 break; 2926 case 2: 2927 mask = 0xff0000; 2928 break; 2929 default: 2930 mask = 0x0; 2931 d_id.b24 = 0; 2932 ha->rscn_out_ptr = ha->rscn_in_ptr; 2933 break; 2934 } 2935 2936 rval = QLA_SUCCESS; 2937 2938 list_for_each_entry(fcport, &pha->fcports, list) { 2939 if (fcport->vp_idx != ha->vp_idx) 2940 continue; 2941 2942 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2943 (fcport->d_id.b24 & mask) != d_id.b24 || 2944 fcport->port_type == FCT_BROADCAST) 2945 continue; 2946 2947 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2948 if (format != 3 || 2949 fcport->port_type != FCT_INITIATOR) { 2950 qla2x00_mark_device_lost(ha, fcport, 2951 0, 0); 2952 } 2953 } 2954 fcport->flags &= ~FCF_FARP_DONE; 2955 } 2956 } 2957 return (rval); 2958 } 2959 2960 /* 2961 * qla2x00_fabric_dev_login 2962 * Login fabric target device and update FC port database. 2963 * 2964 * Input: 2965 * ha: adapter state pointer. 2966 * fcport: port structure list pointer. 2967 * next_loopid: contains value of a new loop ID that can be used 2968 * by the next login attempt. 2969 * 2970 * Returns: 2971 * qla2x00 local function return status code. 2972 * 2973 * Context: 2974 * Kernel context. 2975 */ 2976 static int 2977 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2978 uint16_t *next_loopid) 2979 { 2980 int rval; 2981 int retry; 2982 uint8_t opts; 2983 2984 rval = QLA_SUCCESS; 2985 retry = 0; 2986 2987 rval = qla2x00_fabric_login(ha, fcport, next_loopid); 2988 if (rval == QLA_SUCCESS) { 2989 /* Send an ADISC to tape devices.*/ 2990 opts = 0; 2991 if (fcport->flags & FCF_TAPE_PRESENT) 2992 opts |= BIT_1; 2993 rval = qla2x00_get_port_database(ha, fcport, opts); 2994 if (rval != QLA_SUCCESS) { 2995 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 2996 fcport->d_id.b.domain, fcport->d_id.b.area, 2997 fcport->d_id.b.al_pa); 2998 qla2x00_mark_device_lost(ha, fcport, 1, 0); 2999 } else { 3000 qla2x00_update_fcport(ha, fcport); 3001 } 3002 } 3003 3004 return (rval); 3005 } 3006 3007 /* 3008 * qla2x00_fabric_login 3009 * Issue fabric login command. 3010 * 3011 * Input: 3012 * ha = adapter block pointer. 3013 * device = pointer to FC device type structure. 3014 * 3015 * Returns: 3016 * 0 - Login successfully 3017 * 1 - Login failed 3018 * 2 - Initiator device 3019 * 3 - Fatal error 3020 */ 3021 int 3022 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, 3023 uint16_t *next_loopid) 3024 { 3025 int rval; 3026 int retry; 3027 uint16_t tmp_loopid; 3028 uint16_t mb[MAILBOX_REGISTER_COUNT]; 3029 3030 retry = 0; 3031 tmp_loopid = 0; 3032 3033 for (;;) { 3034 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " 3035 "for port %02x%02x%02x.\n", 3036 ha->host_no, fcport->loop_id, fcport->d_id.b.domain, 3037 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 3038 3039 /* Login fcport on switch. */ 3040 ha->isp_ops->fabric_login(ha, fcport->loop_id, 3041 fcport->d_id.b.domain, fcport->d_id.b.area, 3042 fcport->d_id.b.al_pa, mb, BIT_0); 3043 if (mb[0] == MBS_PORT_ID_USED) { 3044 /* 3045 * Device has another loop ID. The firmware team 3046 * recommends the driver perform an implicit login with 3047 * the specified ID again. The ID we just used is save 3048 * here so we return with an ID that can be tried by 3049 * the next login. 3050 */ 3051 retry++; 3052 tmp_loopid = fcport->loop_id; 3053 fcport->loop_id = mb[1]; 3054 3055 DEBUG(printk("Fabric Login: port in use - next " 3056 "loop id=0x%04x, port Id=%02x%02x%02x.\n", 3057 fcport->loop_id, fcport->d_id.b.domain, 3058 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 3059 3060 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 3061 /* 3062 * Login succeeded. 3063 */ 3064 if (retry) { 3065 /* A retry occurred before. */ 3066 *next_loopid = tmp_loopid; 3067 } else { 3068 /* 3069 * No retry occurred before. Just increment the 3070 * ID value for next login. 3071 */ 3072 *next_loopid = (fcport->loop_id + 1); 3073 } 3074 3075 if (mb[1] & BIT_0) { 3076 fcport->port_type = FCT_INITIATOR; 3077 } else { 3078 fcport->port_type = FCT_TARGET; 3079 if (mb[1] & BIT_1) { 3080 fcport->flags |= FCF_TAPE_PRESENT; 3081 } 3082 } 3083 3084 if (mb[10] & BIT_0) 3085 fcport->supported_classes |= FC_COS_CLASS2; 3086 if (mb[10] & BIT_1) 3087 fcport->supported_classes |= FC_COS_CLASS3; 3088 3089 rval = QLA_SUCCESS; 3090 break; 3091 } else if (mb[0] == MBS_LOOP_ID_USED) { 3092 /* 3093 * Loop ID already used, try next loop ID. 3094 */ 3095 fcport->loop_id++; 3096 rval = qla2x00_find_new_loop_id(ha, fcport); 3097 if (rval != QLA_SUCCESS) { 3098 /* Ran out of loop IDs to use */ 3099 break; 3100 } 3101 } else if (mb[0] == MBS_COMMAND_ERROR) { 3102 /* 3103 * Firmware possibly timed out during login. If NO 3104 * retries are left to do then the device is declared 3105 * dead. 3106 */ 3107 *next_loopid = fcport->loop_id; 3108 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3109 fcport->d_id.b.domain, fcport->d_id.b.area, 3110 fcport->d_id.b.al_pa); 3111 qla2x00_mark_device_lost(ha, fcport, 1, 0); 3112 3113 rval = 1; 3114 break; 3115 } else { 3116 /* 3117 * unrecoverable / not handled error 3118 */ 3119 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " 3120 "loop_id=%x jiffies=%lx.\n", 3121 __func__, ha->host_no, mb[0], 3122 fcport->d_id.b.domain, fcport->d_id.b.area, 3123 fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); 3124 3125 *next_loopid = fcport->loop_id; 3126 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3127 fcport->d_id.b.domain, fcport->d_id.b.area, 3128 fcport->d_id.b.al_pa); 3129 fcport->loop_id = FC_NO_LOOP_ID; 3130 fcport->login_retry = 0; 3131 3132 rval = 3; 3133 break; 3134 } 3135 } 3136 3137 return (rval); 3138 } 3139 3140 /* 3141 * qla2x00_local_device_login 3142 * Issue local device login command. 3143 * 3144 * Input: 3145 * ha = adapter block pointer. 3146 * loop_id = loop id of device to login to. 3147 * 3148 * Returns (Where's the #define!!!!): 3149 * 0 - Login successfully 3150 * 1 - Login failed 3151 * 3 - Fatal error 3152 */ 3153 int 3154 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport) 3155 { 3156 int rval; 3157 uint16_t mb[MAILBOX_REGISTER_COUNT]; 3158 3159 memset(mb, 0, sizeof(mb)); 3160 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0); 3161 if (rval == QLA_SUCCESS) { 3162 /* Interrogate mailbox registers for any errors */ 3163 if (mb[0] == MBS_COMMAND_ERROR) 3164 rval = 1; 3165 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 3166 /* device not in PCB table */ 3167 rval = 3; 3168 } 3169 3170 return (rval); 3171 } 3172 3173 /* 3174 * qla2x00_loop_resync 3175 * Resync with fibre channel devices. 3176 * 3177 * Input: 3178 * ha = adapter block pointer. 3179 * 3180 * Returns: 3181 * 0 = success 3182 */ 3183 int 3184 qla2x00_loop_resync(scsi_qla_host_t *ha) 3185 { 3186 int rval; 3187 uint32_t wait_time; 3188 3189 rval = QLA_SUCCESS; 3190 3191 atomic_set(&ha->loop_state, LOOP_UPDATE); 3192 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3193 if (ha->flags.online) { 3194 if (!(rval = qla2x00_fw_ready(ha))) { 3195 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3196 wait_time = 256; 3197 do { 3198 atomic_set(&ha->loop_state, LOOP_UPDATE); 3199 3200 /* Issue a marker after FW becomes ready. */ 3201 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3202 ha->marker_needed = 0; 3203 3204 /* Remap devices on Loop. */ 3205 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3206 3207 qla2x00_configure_loop(ha); 3208 wait_time--; 3209 } while (!atomic_read(&ha->loop_down_timer) && 3210 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3211 wait_time && 3212 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3213 } 3214 } 3215 3216 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { 3217 return (QLA_FUNCTION_FAILED); 3218 } 3219 3220 if (rval) { 3221 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 3222 } 3223 3224 return (rval); 3225 } 3226 3227 void 3228 qla2x00_update_fcports(scsi_qla_host_t *ha) 3229 { 3230 fc_port_t *fcport; 3231 3232 /* Go with deferred removal of rport references. */ 3233 list_for_each_entry(fcport, &ha->fcports, list) 3234 if (fcport->drport && 3235 atomic_read(&fcport->state) != FCS_UNCONFIGURED) 3236 qla2x00_rport_del(fcport); 3237 } 3238 3239 /* 3240 * qla2x00_abort_isp 3241 * Resets ISP and aborts all outstanding commands. 3242 * 3243 * Input: 3244 * ha = adapter block pointer. 3245 * 3246 * Returns: 3247 * 0 = success 3248 */ 3249 int 3250 qla2x00_abort_isp(scsi_qla_host_t *ha) 3251 { 3252 int rval; 3253 uint8_t status = 0; 3254 3255 if (ha->flags.online) { 3256 ha->flags.online = 0; 3257 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 3258 ha->qla_stats.total_isp_aborts++; 3259 3260 qla_printk(KERN_INFO, ha, 3261 "Performing ISP error recovery - ha= %p.\n", ha); 3262 ha->isp_ops->reset_chip(ha); 3263 3264 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 3265 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 3266 atomic_set(&ha->loop_state, LOOP_DOWN); 3267 qla2x00_mark_all_devices_lost(ha, 0); 3268 } else { 3269 if (!atomic_read(&ha->loop_down_timer)) 3270 atomic_set(&ha->loop_down_timer, 3271 LOOP_DOWN_TIME); 3272 } 3273 3274 /* Requeue all commands in outstanding command list. */ 3275 qla2x00_abort_all_cmds(ha, DID_RESET << 16); 3276 3277 ha->isp_ops->get_flash_version(ha, ha->request_ring); 3278 3279 ha->isp_ops->nvram_config(ha); 3280 3281 if (!qla2x00_restart_isp(ha)) { 3282 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3283 3284 if (!atomic_read(&ha->loop_down_timer)) { 3285 /* 3286 * Issue marker command only when we are going 3287 * to start the I/O . 3288 */ 3289 ha->marker_needed = 1; 3290 } 3291 3292 ha->flags.online = 1; 3293 3294 ha->isp_ops->enable_intrs(ha); 3295 3296 ha->isp_abort_cnt = 0; 3297 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3298 3299 if (ha->fce) { 3300 ha->flags.fce_enabled = 1; 3301 memset(ha->fce, 0, 3302 fce_calc_size(ha->fce_bufs)); 3303 rval = qla2x00_enable_fce_trace(ha, 3304 ha->fce_dma, ha->fce_bufs, ha->fce_mb, 3305 &ha->fce_bufs); 3306 if (rval) { 3307 qla_printk(KERN_WARNING, ha, 3308 "Unable to reinitialize FCE " 3309 "(%d).\n", rval); 3310 ha->flags.fce_enabled = 0; 3311 } 3312 } 3313 3314 if (ha->eft) { 3315 memset(ha->eft, 0, EFT_SIZE); 3316 rval = qla2x00_enable_eft_trace(ha, 3317 ha->eft_dma, EFT_NUM_BUFFERS); 3318 if (rval) { 3319 qla_printk(KERN_WARNING, ha, 3320 "Unable to reinitialize EFT " 3321 "(%d).\n", rval); 3322 } 3323 } 3324 } else { /* failed the ISP abort */ 3325 ha->flags.online = 1; 3326 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { 3327 if (ha->isp_abort_cnt == 0) { 3328 qla_printk(KERN_WARNING, ha, 3329 "ISP error recovery failed - " 3330 "board disabled\n"); 3331 /* 3332 * The next call disables the board 3333 * completely. 3334 */ 3335 ha->isp_ops->reset_adapter(ha); 3336 ha->flags.online = 0; 3337 clear_bit(ISP_ABORT_RETRY, 3338 &ha->dpc_flags); 3339 status = 0; 3340 } else { /* schedule another ISP abort */ 3341 ha->isp_abort_cnt--; 3342 DEBUG(printk("qla%ld: ISP abort - " 3343 "retry remaining %d\n", 3344 ha->host_no, ha->isp_abort_cnt)); 3345 status = 1; 3346 } 3347 } else { 3348 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3349 DEBUG(printk("qla2x00(%ld): ISP error recovery " 3350 "- retrying (%d) more times\n", 3351 ha->host_no, ha->isp_abort_cnt)); 3352 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3353 status = 1; 3354 } 3355 } 3356 3357 } 3358 3359 if (status) { 3360 qla_printk(KERN_INFO, ha, 3361 "qla2x00_abort_isp: **** FAILED ****\n"); 3362 } else { 3363 DEBUG(printk(KERN_INFO 3364 "qla2x00_abort_isp(%ld): exiting.\n", 3365 ha->host_no)); 3366 } 3367 3368 return(status); 3369 } 3370 3371 /* 3372 * qla2x00_restart_isp 3373 * restarts the ISP after a reset 3374 * 3375 * Input: 3376 * ha = adapter block pointer. 3377 * 3378 * Returns: 3379 * 0 = success 3380 */ 3381 static int 3382 qla2x00_restart_isp(scsi_qla_host_t *ha) 3383 { 3384 uint8_t status = 0; 3385 uint32_t wait_time; 3386 3387 /* If firmware needs to be loaded */ 3388 if (qla2x00_isp_firmware(ha)) { 3389 ha->flags.online = 0; 3390 if (!(status = ha->isp_ops->chip_diag(ha))) 3391 status = qla2x00_setup_chip(ha); 3392 } 3393 3394 if (!status && !(status = qla2x00_init_rings(ha))) { 3395 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3396 if (!(status = qla2x00_fw_ready(ha))) { 3397 DEBUG(printk("%s(): Start configure loop, " 3398 "status = %d\n", __func__, status)); 3399 3400 /* Issue a marker after FW becomes ready. */ 3401 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3402 3403 ha->flags.online = 1; 3404 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3405 wait_time = 256; 3406 do { 3407 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3408 qla2x00_configure_loop(ha); 3409 wait_time--; 3410 } while (!atomic_read(&ha->loop_down_timer) && 3411 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3412 wait_time && 3413 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3414 } 3415 3416 /* if no cable then assume it's good */ 3417 if ((ha->device_flags & DFLG_NO_CABLE)) 3418 status = 0; 3419 3420 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", 3421 __func__, 3422 status)); 3423 } 3424 return (status); 3425 } 3426 3427 /* 3428 * qla2x00_reset_adapter 3429 * Reset adapter. 3430 * 3431 * Input: 3432 * ha = adapter block pointer. 3433 */ 3434 void 3435 qla2x00_reset_adapter(scsi_qla_host_t *ha) 3436 { 3437 unsigned long flags = 0; 3438 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3439 3440 ha->flags.online = 0; 3441 ha->isp_ops->disable_intrs(ha); 3442 3443 spin_lock_irqsave(&ha->hardware_lock, flags); 3444 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 3445 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3446 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 3447 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3448 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3449 } 3450 3451 void 3452 qla24xx_reset_adapter(scsi_qla_host_t *ha) 3453 { 3454 unsigned long flags = 0; 3455 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3456 3457 ha->flags.online = 0; 3458 ha->isp_ops->disable_intrs(ha); 3459 3460 spin_lock_irqsave(&ha->hardware_lock, flags); 3461 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 3462 RD_REG_DWORD(®->hccr); 3463 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 3464 RD_REG_DWORD(®->hccr); 3465 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3466 } 3467 3468 /* On sparc systems, obtain port and node WWN from firmware 3469 * properties. 3470 */ 3471 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv) 3472 { 3473 #ifdef CONFIG_SPARC 3474 struct pci_dev *pdev = ha->pdev; 3475 struct device_node *dp = pci_device_to_OF_node(pdev); 3476 const u8 *val; 3477 int len; 3478 3479 val = of_get_property(dp, "port-wwn", &len); 3480 if (val && len >= WWN_SIZE) 3481 memcpy(nv->port_name, val, WWN_SIZE); 3482 3483 val = of_get_property(dp, "node-wwn", &len); 3484 if (val && len >= WWN_SIZE) 3485 memcpy(nv->node_name, val, WWN_SIZE); 3486 #endif 3487 } 3488 3489 int 3490 qla24xx_nvram_config(scsi_qla_host_t *ha) 3491 { 3492 int rval; 3493 struct init_cb_24xx *icb; 3494 struct nvram_24xx *nv; 3495 uint32_t *dptr; 3496 uint8_t *dptr1, *dptr2; 3497 uint32_t chksum; 3498 uint16_t cnt; 3499 3500 rval = QLA_SUCCESS; 3501 icb = (struct init_cb_24xx *)ha->init_cb; 3502 nv = ha->nvram; 3503 3504 /* Determine NVRAM starting address. */ 3505 ha->nvram_size = sizeof(struct nvram_24xx); 3506 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 3507 ha->vpd_size = FA_NVRAM_VPD_SIZE; 3508 ha->vpd_base = FA_NVRAM_VPD0_ADDR; 3509 if (PCI_FUNC(ha->pdev->devfn)) { 3510 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 3511 ha->vpd_base = FA_NVRAM_VPD1_ADDR; 3512 } 3513 3514 /* Get VPD data into cache */ 3515 ha->vpd = ha->nvram + VPD_OFFSET; 3516 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd, 3517 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4); 3518 3519 /* Get NVRAM data into cache and calculate checksum. */ 3520 dptr = (uint32_t *)nv; 3521 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, 3522 ha->nvram_size); 3523 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) 3524 chksum += le32_to_cpu(*dptr++); 3525 3526 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 3527 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); 3528 3529 /* Bad NVRAM data, set defaults parameters. */ 3530 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' 3531 || nv->id[3] != ' ' || 3532 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { 3533 /* Reset NVRAM data. */ 3534 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 3535 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 3536 le16_to_cpu(nv->nvram_version)); 3537 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 3538 "invalid -- WWPN) defaults.\n"); 3539 3540 /* 3541 * Set default initialization control block. 3542 */ 3543 memset(nv, 0, ha->nvram_size); 3544 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); 3545 nv->version = __constant_cpu_to_le16(ICB_VERSION); 3546 nv->frame_payload_size = __constant_cpu_to_le16(2048); 3547 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3548 nv->exchange_count = __constant_cpu_to_le16(0); 3549 nv->hard_address = __constant_cpu_to_le16(124); 3550 nv->port_name[0] = 0x21; 3551 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); 3552 nv->port_name[2] = 0x00; 3553 nv->port_name[3] = 0xe0; 3554 nv->port_name[4] = 0x8b; 3555 nv->port_name[5] = 0x1c; 3556 nv->port_name[6] = 0x55; 3557 nv->port_name[7] = 0x86; 3558 nv->node_name[0] = 0x20; 3559 nv->node_name[1] = 0x00; 3560 nv->node_name[2] = 0x00; 3561 nv->node_name[3] = 0xe0; 3562 nv->node_name[4] = 0x8b; 3563 nv->node_name[5] = 0x1c; 3564 nv->node_name[6] = 0x55; 3565 nv->node_name[7] = 0x86; 3566 qla24xx_nvram_wwn_from_ofw(ha, nv); 3567 nv->login_retry_count = __constant_cpu_to_le16(8); 3568 nv->interrupt_delay_timer = __constant_cpu_to_le16(0); 3569 nv->login_timeout = __constant_cpu_to_le16(0); 3570 nv->firmware_options_1 = 3571 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 3572 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); 3573 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); 3574 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); 3575 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); 3576 nv->efi_parameters = __constant_cpu_to_le32(0); 3577 nv->reset_delay = 5; 3578 nv->max_luns_per_target = __constant_cpu_to_le16(128); 3579 nv->port_down_retry_count = __constant_cpu_to_le16(30); 3580 nv->link_down_timeout = __constant_cpu_to_le16(30); 3581 3582 rval = 1; 3583 } 3584 3585 /* Reset Initialization control block */ 3586 memset(icb, 0, sizeof(struct init_cb_24xx)); 3587 3588 /* Copy 1st segment. */ 3589 dptr1 = (uint8_t *)icb; 3590 dptr2 = (uint8_t *)&nv->version; 3591 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 3592 while (cnt--) 3593 *dptr1++ = *dptr2++; 3594 3595 icb->login_retry_count = nv->login_retry_count; 3596 icb->link_down_on_nos = nv->link_down_on_nos; 3597 3598 /* Copy 2nd segment. */ 3599 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 3600 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 3601 cnt = (uint8_t *)&icb->reserved_3 - 3602 (uint8_t *)&icb->interrupt_delay_timer; 3603 while (cnt--) 3604 *dptr1++ = *dptr2++; 3605 3606 /* 3607 * Setup driver NVRAM options. 3608 */ 3609 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name), 3610 "QLA2462"); 3611 3612 /* Use alternate WWN? */ 3613 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) { 3614 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 3615 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 3616 } 3617 3618 /* Prepare nodename */ 3619 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) { 3620 /* 3621 * Firmware will apply the following mask if the nodename was 3622 * not provided. 3623 */ 3624 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 3625 icb->node_name[0] &= 0xF0; 3626 } 3627 3628 /* Set host adapter parameters. */ 3629 ha->flags.disable_risc_code_load = 0; 3630 ha->flags.enable_lip_reset = 0; 3631 ha->flags.enable_lip_full_login = 3632 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0; 3633 ha->flags.enable_target_reset = 3634 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0; 3635 ha->flags.enable_led_scheme = 0; 3636 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0; 3637 3638 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & 3639 (BIT_6 | BIT_5 | BIT_4)) >> 4; 3640 3641 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 3642 sizeof(ha->fw_seriallink_options24)); 3643 3644 /* save HBA serial number */ 3645 ha->serial0 = icb->port_name[5]; 3646 ha->serial1 = icb->port_name[6]; 3647 ha->serial2 = icb->port_name[7]; 3648 ha->node_name = icb->node_name; 3649 ha->port_name = icb->port_name; 3650 3651 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3652 3653 ha->retry_count = le16_to_cpu(nv->login_retry_count); 3654 3655 /* Set minimum login_timeout to 4 seconds. */ 3656 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 3657 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 3658 if (le16_to_cpu(nv->login_timeout) < 4) 3659 nv->login_timeout = __constant_cpu_to_le16(4); 3660 ha->login_timeout = le16_to_cpu(nv->login_timeout); 3661 icb->login_timeout = nv->login_timeout; 3662 3663 /* Set minimum RATOV to 100 tenths of a second. */ 3664 ha->r_a_tov = 100; 3665 3666 ha->loop_reset_delay = nv->reset_delay; 3667 3668 /* Link Down Timeout = 0: 3669 * 3670 * When Port Down timer expires we will start returning 3671 * I/O's to OS with "DID_NO_CONNECT". 3672 * 3673 * Link Down Timeout != 0: 3674 * 3675 * The driver waits for the link to come up after link down 3676 * before returning I/Os to OS with "DID_NO_CONNECT". 3677 */ 3678 if (le16_to_cpu(nv->link_down_timeout) == 0) { 3679 ha->loop_down_abort_time = 3680 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 3681 } else { 3682 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 3683 ha->loop_down_abort_time = 3684 (LOOP_DOWN_TIME - ha->link_down_timeout); 3685 } 3686 3687 /* Need enough time to try and get the port back. */ 3688 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 3689 if (qlport_down_retry) 3690 ha->port_down_retry_count = qlport_down_retry; 3691 3692 /* Set login_retry_count */ 3693 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 3694 if (ha->port_down_retry_count == 3695 le16_to_cpu(nv->port_down_retry_count) && 3696 ha->port_down_retry_count > 3) 3697 ha->login_retry_count = ha->port_down_retry_count; 3698 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 3699 ha->login_retry_count = ha->port_down_retry_count; 3700 if (ql2xloginretrycount) 3701 ha->login_retry_count = ql2xloginretrycount; 3702 3703 /* Enable ZIO. */ 3704 if (!ha->flags.init_done) { 3705 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 3706 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 3707 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 3708 le16_to_cpu(icb->interrupt_delay_timer): 2; 3709 } 3710 icb->firmware_options_2 &= __constant_cpu_to_le32( 3711 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 3712 ha->flags.process_response_queue = 0; 3713 if (ha->zio_mode != QLA_ZIO_DISABLED) { 3714 ha->zio_mode = QLA_ZIO_MODE_6; 3715 3716 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay " 3717 "(%d us).\n", ha->host_no, ha->zio_mode, 3718 ha->zio_timer * 100)); 3719 qla_printk(KERN_INFO, ha, 3720 "ZIO mode %d enabled; timer delay (%d us).\n", 3721 ha->zio_mode, ha->zio_timer * 100); 3722 3723 icb->firmware_options_2 |= cpu_to_le32( 3724 (uint32_t)ha->zio_mode); 3725 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 3726 ha->flags.process_response_queue = 1; 3727 } 3728 3729 if (rval) { 3730 DEBUG2_3(printk(KERN_WARNING 3731 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 3732 } 3733 return (rval); 3734 } 3735 3736 static int 3737 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3738 { 3739 int rval; 3740 int segments, fragment; 3741 uint32_t faddr; 3742 uint32_t *dcode, dlen; 3743 uint32_t risc_addr; 3744 uint32_t risc_size; 3745 uint32_t i; 3746 3747 rval = QLA_SUCCESS; 3748 3749 segments = FA_RISC_CODE_SEGMENTS; 3750 faddr = FA_RISC_CODE_ADDR; 3751 dcode = (uint32_t *)ha->request_ring; 3752 *srisc_addr = 0; 3753 3754 /* Validate firmware image by checking version. */ 3755 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); 3756 for (i = 0; i < 4; i++) 3757 dcode[i] = be32_to_cpu(dcode[i]); 3758 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3759 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3760 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3761 dcode[3] == 0)) { 3762 qla_printk(KERN_WARNING, ha, 3763 "Unable to verify integrity of flash firmware image!\n"); 3764 qla_printk(KERN_WARNING, ha, 3765 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3766 dcode[1], dcode[2], dcode[3]); 3767 3768 return QLA_FUNCTION_FAILED; 3769 } 3770 3771 while (segments && rval == QLA_SUCCESS) { 3772 /* Read segment's load information. */ 3773 qla24xx_read_flash_data(ha, dcode, faddr, 4); 3774 3775 risc_addr = be32_to_cpu(dcode[2]); 3776 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3777 risc_size = be32_to_cpu(dcode[3]); 3778 3779 fragment = 0; 3780 while (risc_size > 0 && rval == QLA_SUCCESS) { 3781 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3782 if (dlen > risc_size) 3783 dlen = risc_size; 3784 3785 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3786 "addr %x, number of dwords 0x%x, offset 0x%x.\n", 3787 ha->host_no, risc_addr, dlen, faddr)); 3788 3789 qla24xx_read_flash_data(ha, dcode, faddr, dlen); 3790 for (i = 0; i < dlen; i++) 3791 dcode[i] = swab32(dcode[i]); 3792 3793 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3794 dlen); 3795 if (rval) { 3796 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3797 "segment %d of firmware\n", ha->host_no, 3798 fragment)); 3799 qla_printk(KERN_WARNING, ha, 3800 "[ERROR] Failed to load segment %d of " 3801 "firmware\n", fragment); 3802 break; 3803 } 3804 3805 faddr += dlen; 3806 risc_addr += dlen; 3807 risc_size -= dlen; 3808 fragment++; 3809 } 3810 3811 /* Next segment. */ 3812 segments--; 3813 } 3814 3815 return rval; 3816 } 3817 3818 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/" 3819 3820 int 3821 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3822 { 3823 int rval; 3824 int i, fragment; 3825 uint16_t *wcode, *fwcode; 3826 uint32_t risc_addr, risc_size, fwclen, wlen, *seg; 3827 struct fw_blob *blob; 3828 3829 /* Load firmware blob. */ 3830 blob = qla2x00_request_firmware(ha); 3831 if (!blob) { 3832 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3833 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3834 "from: " QLA_FW_URL ".\n"); 3835 return QLA_FUNCTION_FAILED; 3836 } 3837 3838 rval = QLA_SUCCESS; 3839 3840 wcode = (uint16_t *)ha->request_ring; 3841 *srisc_addr = 0; 3842 fwcode = (uint16_t *)blob->fw->data; 3843 fwclen = 0; 3844 3845 /* Validate firmware image by checking version. */ 3846 if (blob->fw->size < 8 * sizeof(uint16_t)) { 3847 qla_printk(KERN_WARNING, ha, 3848 "Unable to verify integrity of firmware image (%Zd)!\n", 3849 blob->fw->size); 3850 goto fail_fw_integrity; 3851 } 3852 for (i = 0; i < 4; i++) 3853 wcode[i] = be16_to_cpu(fwcode[i + 4]); 3854 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && 3855 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && 3856 wcode[2] == 0 && wcode[3] == 0)) { 3857 qla_printk(KERN_WARNING, ha, 3858 "Unable to verify integrity of firmware image!\n"); 3859 qla_printk(KERN_WARNING, ha, 3860 "Firmware data: %04x %04x %04x %04x!\n", wcode[0], 3861 wcode[1], wcode[2], wcode[3]); 3862 goto fail_fw_integrity; 3863 } 3864 3865 seg = blob->segs; 3866 while (*seg && rval == QLA_SUCCESS) { 3867 risc_addr = *seg; 3868 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; 3869 risc_size = be16_to_cpu(fwcode[3]); 3870 3871 /* Validate firmware image size. */ 3872 fwclen += risc_size * sizeof(uint16_t); 3873 if (blob->fw->size < fwclen) { 3874 qla_printk(KERN_WARNING, ha, 3875 "Unable to verify integrity of firmware image " 3876 "(%Zd)!\n", blob->fw->size); 3877 goto fail_fw_integrity; 3878 } 3879 3880 fragment = 0; 3881 while (risc_size > 0 && rval == QLA_SUCCESS) { 3882 wlen = (uint16_t)(ha->fw_transfer_size >> 1); 3883 if (wlen > risc_size) 3884 wlen = risc_size; 3885 3886 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3887 "addr %x, number of words 0x%x.\n", ha->host_no, 3888 risc_addr, wlen)); 3889 3890 for (i = 0; i < wlen; i++) 3891 wcode[i] = swab16(fwcode[i]); 3892 3893 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3894 wlen); 3895 if (rval) { 3896 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3897 "segment %d of firmware\n", ha->host_no, 3898 fragment)); 3899 qla_printk(KERN_WARNING, ha, 3900 "[ERROR] Failed to load segment %d of " 3901 "firmware\n", fragment); 3902 break; 3903 } 3904 3905 fwcode += wlen; 3906 risc_addr += wlen; 3907 risc_size -= wlen; 3908 fragment++; 3909 } 3910 3911 /* Next segment. */ 3912 seg++; 3913 } 3914 return rval; 3915 3916 fail_fw_integrity: 3917 return QLA_FUNCTION_FAILED; 3918 } 3919 3920 int 3921 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3922 { 3923 int rval; 3924 int segments, fragment; 3925 uint32_t *dcode, dlen; 3926 uint32_t risc_addr; 3927 uint32_t risc_size; 3928 uint32_t i; 3929 struct fw_blob *blob; 3930 uint32_t *fwcode, fwclen; 3931 3932 /* Load firmware blob. */ 3933 blob = qla2x00_request_firmware(ha); 3934 if (!blob) { 3935 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3936 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3937 "from: " QLA_FW_URL ".\n"); 3938 3939 /* Try to load RISC code from flash. */ 3940 qla_printk(KERN_ERR, ha, "Attempting to load (potentially " 3941 "outdated) firmware from flash.\n"); 3942 return qla24xx_load_risc_flash(ha, srisc_addr); 3943 } 3944 3945 rval = QLA_SUCCESS; 3946 3947 segments = FA_RISC_CODE_SEGMENTS; 3948 dcode = (uint32_t *)ha->request_ring; 3949 *srisc_addr = 0; 3950 fwcode = (uint32_t *)blob->fw->data; 3951 fwclen = 0; 3952 3953 /* Validate firmware image by checking version. */ 3954 if (blob->fw->size < 8 * sizeof(uint32_t)) { 3955 qla_printk(KERN_WARNING, ha, 3956 "Unable to verify integrity of firmware image (%Zd)!\n", 3957 blob->fw->size); 3958 goto fail_fw_integrity; 3959 } 3960 for (i = 0; i < 4; i++) 3961 dcode[i] = be32_to_cpu(fwcode[i + 4]); 3962 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3963 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3964 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3965 dcode[3] == 0)) { 3966 qla_printk(KERN_WARNING, ha, 3967 "Unable to verify integrity of firmware image!\n"); 3968 qla_printk(KERN_WARNING, ha, 3969 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3970 dcode[1], dcode[2], dcode[3]); 3971 goto fail_fw_integrity; 3972 } 3973 3974 while (segments && rval == QLA_SUCCESS) { 3975 risc_addr = be32_to_cpu(fwcode[2]); 3976 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3977 risc_size = be32_to_cpu(fwcode[3]); 3978 3979 /* Validate firmware image size. */ 3980 fwclen += risc_size * sizeof(uint32_t); 3981 if (blob->fw->size < fwclen) { 3982 qla_printk(KERN_WARNING, ha, 3983 "Unable to verify integrity of firmware image " 3984 "(%Zd)!\n", blob->fw->size); 3985 3986 goto fail_fw_integrity; 3987 } 3988 3989 fragment = 0; 3990 while (risc_size > 0 && rval == QLA_SUCCESS) { 3991 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3992 if (dlen > risc_size) 3993 dlen = risc_size; 3994 3995 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3996 "addr %x, number of dwords 0x%x.\n", ha->host_no, 3997 risc_addr, dlen)); 3998 3999 for (i = 0; i < dlen; i++) 4000 dcode[i] = swab32(fwcode[i]); 4001 4002 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 4003 dlen); 4004 if (rval) { 4005 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 4006 "segment %d of firmware\n", ha->host_no, 4007 fragment)); 4008 qla_printk(KERN_WARNING, ha, 4009 "[ERROR] Failed to load segment %d of " 4010 "firmware\n", fragment); 4011 break; 4012 } 4013 4014 fwcode += dlen; 4015 risc_addr += dlen; 4016 risc_size -= dlen; 4017 fragment++; 4018 } 4019 4020 /* Next segment. */ 4021 segments--; 4022 } 4023 return rval; 4024 4025 fail_fw_integrity: 4026 return QLA_FUNCTION_FAILED; 4027 } 4028 4029 void 4030 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha) 4031 { 4032 int ret, retries; 4033 4034 if (!IS_FWI2_CAPABLE(ha)) 4035 return; 4036 if (!ha->fw_major_version) 4037 return; 4038 4039 ret = qla2x00_stop_firmware(ha); 4040 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT && 4041 retries ; retries--) { 4042 ha->isp_ops->reset_chip(ha); 4043 if (ha->isp_ops->chip_diag(ha) != QLA_SUCCESS) 4044 continue; 4045 if (qla2x00_setup_chip(ha) != QLA_SUCCESS) 4046 continue; 4047 qla_printk(KERN_INFO, ha, 4048 "Attempting retry of stop-firmware command...\n"); 4049 ret = qla2x00_stop_firmware(ha); 4050 } 4051 } 4052 4053 int 4054 qla24xx_configure_vhba(scsi_qla_host_t *ha) 4055 { 4056 int rval = QLA_SUCCESS; 4057 uint16_t mb[MAILBOX_REGISTER_COUNT]; 4058 4059 if (!ha->parent) 4060 return -EINVAL; 4061 4062 rval = qla2x00_fw_ready(ha->parent); 4063 if (rval == QLA_SUCCESS) { 4064 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 4065 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 4066 } 4067 4068 ha->flags.management_server_logged_in = 0; 4069 4070 /* Login to SNS first */ 4071 qla24xx_login_fabric(ha->parent, NPH_SNS, 0xff, 0xff, 0xfc, 4072 mb, BIT_1); 4073 if (mb[0] != MBS_COMMAND_COMPLETE) { 4074 DEBUG15(qla_printk(KERN_INFO, ha, 4075 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 4076 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS, 4077 mb[0], mb[1], mb[2], mb[6], mb[7])); 4078 return (QLA_FUNCTION_FAILED); 4079 } 4080 4081 atomic_set(&ha->loop_down_timer, 0); 4082 atomic_set(&ha->loop_state, LOOP_UP); 4083 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 4084 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 4085 rval = qla2x00_loop_resync(ha->parent); 4086 4087 return rval; 4088 } 4089 4090 /* 84XX Support **************************************************************/ 4091 4092 static LIST_HEAD(qla_cs84xx_list); 4093 static DEFINE_MUTEX(qla_cs84xx_mutex); 4094 4095 static struct qla_chip_state_84xx * 4096 qla84xx_get_chip(struct scsi_qla_host *ha) 4097 { 4098 struct qla_chip_state_84xx *cs84xx; 4099 4100 mutex_lock(&qla_cs84xx_mutex); 4101 4102 /* Find any shared 84xx chip. */ 4103 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) { 4104 if (cs84xx->bus == ha->pdev->bus) { 4105 kref_get(&cs84xx->kref); 4106 goto done; 4107 } 4108 } 4109 4110 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL); 4111 if (!cs84xx) 4112 goto done; 4113 4114 kref_init(&cs84xx->kref); 4115 spin_lock_init(&cs84xx->access_lock); 4116 mutex_init(&cs84xx->fw_update_mutex); 4117 cs84xx->bus = ha->pdev->bus; 4118 4119 list_add_tail(&cs84xx->list, &qla_cs84xx_list); 4120 done: 4121 mutex_unlock(&qla_cs84xx_mutex); 4122 return cs84xx; 4123 } 4124 4125 static void 4126 __qla84xx_chip_release(struct kref *kref) 4127 { 4128 struct qla_chip_state_84xx *cs84xx = 4129 container_of(kref, struct qla_chip_state_84xx, kref); 4130 4131 mutex_lock(&qla_cs84xx_mutex); 4132 list_del(&cs84xx->list); 4133 mutex_unlock(&qla_cs84xx_mutex); 4134 kfree(cs84xx); 4135 } 4136 4137 void 4138 qla84xx_put_chip(struct scsi_qla_host *ha) 4139 { 4140 if (ha->cs84xx) 4141 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release); 4142 } 4143 4144 static int 4145 qla84xx_init_chip(scsi_qla_host_t *ha) 4146 { 4147 int rval; 4148 uint16_t status[2]; 4149 4150 mutex_lock(&ha->cs84xx->fw_update_mutex); 4151 4152 rval = qla84xx_verify_chip(ha, status); 4153 4154 mutex_unlock(&ha->cs84xx->fw_update_mutex); 4155 4156 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED: 4157 QLA_SUCCESS; 4158 } 4159