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 rval = qla2xxx_get_flash_info(ha); 87 if (rval) { 88 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n", 89 ha->host_no)); 90 return (rval); 91 } 92 93 ha->isp_ops->get_flash_version(ha, ha->request_ring); 94 95 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); 96 97 ha->isp_ops->nvram_config(ha); 98 99 if (ha->flags.disable_serdes) { 100 /* Mask HBA via NVRAM settings? */ 101 qla_printk(KERN_INFO, ha, "Masking HBA WWPN " 102 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n", 103 ha->port_name[0], ha->port_name[1], 104 ha->port_name[2], ha->port_name[3], 105 ha->port_name[4], ha->port_name[5], 106 ha->port_name[6], ha->port_name[7]); 107 return QLA_FUNCTION_FAILED; 108 } 109 110 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); 111 112 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { 113 rval = ha->isp_ops->chip_diag(ha); 114 if (rval) 115 return (rval); 116 rval = qla2x00_setup_chip(ha); 117 if (rval) 118 return (rval); 119 } 120 if (IS_QLA84XX(ha)) { 121 ha->cs84xx = qla84xx_get_chip(ha); 122 if (!ha->cs84xx) { 123 qla_printk(KERN_ERR, ha, 124 "Unable to configure ISP84XX.\n"); 125 return QLA_FUNCTION_FAILED; 126 } 127 } 128 rval = qla2x00_init_rings(ha); 129 130 return (rval); 131 } 132 133 /** 134 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. 135 * @ha: HA context 136 * 137 * Returns 0 on success. 138 */ 139 int 140 qla2100_pci_config(scsi_qla_host_t *ha) 141 { 142 uint16_t w; 143 uint32_t d; 144 unsigned long flags; 145 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 146 147 pci_set_master(ha->pdev); 148 pci_try_set_mwi(ha->pdev); 149 150 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 151 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 152 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 153 154 /* Reset expansion ROM address decode enable */ 155 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 156 d &= ~PCI_ROM_ADDRESS_ENABLE; 157 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 158 159 /* Get PCI bus information. */ 160 spin_lock_irqsave(&ha->hardware_lock, flags); 161 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 162 spin_unlock_irqrestore(&ha->hardware_lock, flags); 163 164 return QLA_SUCCESS; 165 } 166 167 /** 168 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. 169 * @ha: HA context 170 * 171 * Returns 0 on success. 172 */ 173 int 174 qla2300_pci_config(scsi_qla_host_t *ha) 175 { 176 uint16_t w; 177 uint32_t d; 178 unsigned long flags = 0; 179 uint32_t cnt; 180 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 181 182 pci_set_master(ha->pdev); 183 pci_try_set_mwi(ha->pdev); 184 185 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 186 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 187 188 if (IS_QLA2322(ha) || IS_QLA6322(ha)) 189 w &= ~PCI_COMMAND_INTX_DISABLE; 190 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 191 192 /* 193 * If this is a 2300 card and not 2312, reset the 194 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, 195 * the 2310 also reports itself as a 2300 so we need to get the 196 * fb revision level -- a 6 indicates it really is a 2300 and 197 * not a 2310. 198 */ 199 if (IS_QLA2300(ha)) { 200 spin_lock_irqsave(&ha->hardware_lock, flags); 201 202 /* Pause RISC. */ 203 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 204 for (cnt = 0; cnt < 30000; cnt++) { 205 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) != 0) 206 break; 207 208 udelay(10); 209 } 210 211 /* Select FPM registers. */ 212 WRT_REG_WORD(®->ctrl_status, 0x20); 213 RD_REG_WORD(®->ctrl_status); 214 215 /* Get the fb rev level */ 216 ha->fb_rev = RD_FB_CMD_REG(ha, reg); 217 218 if (ha->fb_rev == FPM_2300) 219 pci_clear_mwi(ha->pdev); 220 221 /* Deselect FPM registers. */ 222 WRT_REG_WORD(®->ctrl_status, 0x0); 223 RD_REG_WORD(®->ctrl_status); 224 225 /* Release RISC module. */ 226 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 227 for (cnt = 0; cnt < 30000; cnt++) { 228 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0) 229 break; 230 231 udelay(10); 232 } 233 234 spin_unlock_irqrestore(&ha->hardware_lock, flags); 235 } 236 237 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 238 239 /* Reset expansion ROM address decode enable */ 240 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 241 d &= ~PCI_ROM_ADDRESS_ENABLE; 242 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 243 244 /* Get PCI bus information. */ 245 spin_lock_irqsave(&ha->hardware_lock, flags); 246 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 247 spin_unlock_irqrestore(&ha->hardware_lock, flags); 248 249 return QLA_SUCCESS; 250 } 251 252 /** 253 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers. 254 * @ha: HA context 255 * 256 * Returns 0 on success. 257 */ 258 int 259 qla24xx_pci_config(scsi_qla_host_t *ha) 260 { 261 uint16_t w; 262 uint32_t d; 263 unsigned long flags = 0; 264 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 265 266 pci_set_master(ha->pdev); 267 pci_try_set_mwi(ha->pdev); 268 269 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 270 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 271 w &= ~PCI_COMMAND_INTX_DISABLE; 272 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 273 274 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 275 276 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */ 277 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX)) 278 pcix_set_mmrbc(ha->pdev, 2048); 279 280 /* PCIe -- adjust Maximum Read Request Size (2048). */ 281 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP)) 282 pcie_set_readrq(ha->pdev, 2048); 283 284 /* Reset expansion ROM address decode enable */ 285 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 286 d &= ~PCI_ROM_ADDRESS_ENABLE; 287 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 288 289 ha->chip_revision = ha->pdev->revision; 290 291 /* Get PCI bus information. */ 292 spin_lock_irqsave(&ha->hardware_lock, flags); 293 ha->pci_attr = RD_REG_DWORD(®->ctrl_status); 294 spin_unlock_irqrestore(&ha->hardware_lock, flags); 295 296 return QLA_SUCCESS; 297 } 298 299 /** 300 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers. 301 * @ha: HA context 302 * 303 * Returns 0 on success. 304 */ 305 int 306 qla25xx_pci_config(scsi_qla_host_t *ha) 307 { 308 uint16_t w; 309 uint32_t d; 310 311 pci_set_master(ha->pdev); 312 pci_try_set_mwi(ha->pdev); 313 314 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 315 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 316 w &= ~PCI_COMMAND_INTX_DISABLE; 317 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 318 319 /* PCIe -- adjust Maximum Read Request Size (2048). */ 320 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP)) 321 pcie_set_readrq(ha->pdev, 2048); 322 323 /* Reset expansion ROM address decode enable */ 324 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 325 d &= ~PCI_ROM_ADDRESS_ENABLE; 326 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 327 328 ha->chip_revision = ha->pdev->revision; 329 330 return QLA_SUCCESS; 331 } 332 333 /** 334 * qla2x00_isp_firmware() - Choose firmware image. 335 * @ha: HA context 336 * 337 * Returns 0 on success. 338 */ 339 static int 340 qla2x00_isp_firmware(scsi_qla_host_t *ha) 341 { 342 int rval; 343 uint16_t loop_id, topo, sw_cap; 344 uint8_t domain, area, al_pa; 345 346 /* Assume loading risc code */ 347 rval = QLA_FUNCTION_FAILED; 348 349 if (ha->flags.disable_risc_code_load) { 350 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", 351 ha->host_no)); 352 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); 353 354 /* Verify checksum of loaded RISC code. */ 355 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address); 356 if (rval == QLA_SUCCESS) { 357 /* And, verify we are not in ROM code. */ 358 rval = qla2x00_get_adapter_id(ha, &loop_id, &al_pa, 359 &area, &domain, &topo, &sw_cap); 360 } 361 } 362 363 if (rval) { 364 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", 365 ha->host_no)); 366 } 367 368 return (rval); 369 } 370 371 /** 372 * qla2x00_reset_chip() - Reset ISP chip. 373 * @ha: HA context 374 * 375 * Returns 0 on success. 376 */ 377 void 378 qla2x00_reset_chip(scsi_qla_host_t *ha) 379 { 380 unsigned long flags = 0; 381 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 382 uint32_t cnt; 383 uint16_t cmd; 384 385 ha->isp_ops->disable_intrs(ha); 386 387 spin_lock_irqsave(&ha->hardware_lock, flags); 388 389 /* Turn off master enable */ 390 cmd = 0; 391 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); 392 cmd &= ~PCI_COMMAND_MASTER; 393 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 394 395 if (!IS_QLA2100(ha)) { 396 /* Pause RISC. */ 397 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 398 if (IS_QLA2200(ha) || IS_QLA2300(ha)) { 399 for (cnt = 0; cnt < 30000; cnt++) { 400 if ((RD_REG_WORD(®->hccr) & 401 HCCR_RISC_PAUSE) != 0) 402 break; 403 udelay(100); 404 } 405 } else { 406 RD_REG_WORD(®->hccr); /* PCI Posting. */ 407 udelay(10); 408 } 409 410 /* Select FPM registers. */ 411 WRT_REG_WORD(®->ctrl_status, 0x20); 412 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 413 414 /* FPM Soft Reset. */ 415 WRT_REG_WORD(®->fpm_diag_config, 0x100); 416 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 417 418 /* Toggle Fpm Reset. */ 419 if (!IS_QLA2200(ha)) { 420 WRT_REG_WORD(®->fpm_diag_config, 0x0); 421 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 422 } 423 424 /* Select frame buffer registers. */ 425 WRT_REG_WORD(®->ctrl_status, 0x10); 426 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 427 428 /* Reset frame buffer FIFOs. */ 429 if (IS_QLA2200(ha)) { 430 WRT_FB_CMD_REG(ha, reg, 0xa000); 431 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ 432 } else { 433 WRT_FB_CMD_REG(ha, reg, 0x00fc); 434 435 /* Read back fb_cmd until zero or 3 seconds max */ 436 for (cnt = 0; cnt < 3000; cnt++) { 437 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) 438 break; 439 udelay(100); 440 } 441 } 442 443 /* Select RISC module registers. */ 444 WRT_REG_WORD(®->ctrl_status, 0); 445 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 446 447 /* Reset RISC processor. */ 448 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 449 RD_REG_WORD(®->hccr); /* PCI Posting. */ 450 451 /* Release RISC processor. */ 452 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 453 RD_REG_WORD(®->hccr); /* PCI Posting. */ 454 } 455 456 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 457 WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); 458 459 /* Reset ISP chip. */ 460 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 461 462 /* Wait for RISC to recover from reset. */ 463 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 464 /* 465 * It is necessary to for a delay here since the card doesn't 466 * respond to PCI reads during a reset. On some architectures 467 * this will result in an MCA. 468 */ 469 udelay(20); 470 for (cnt = 30000; cnt; cnt--) { 471 if ((RD_REG_WORD(®->ctrl_status) & 472 CSR_ISP_SOFT_RESET) == 0) 473 break; 474 udelay(100); 475 } 476 } else 477 udelay(10); 478 479 /* Reset RISC processor. */ 480 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 481 482 WRT_REG_WORD(®->semaphore, 0); 483 484 /* Release RISC processor. */ 485 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 486 RD_REG_WORD(®->hccr); /* PCI Posting. */ 487 488 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 489 for (cnt = 0; cnt < 30000; cnt++) { 490 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) 491 break; 492 493 udelay(100); 494 } 495 } else 496 udelay(100); 497 498 /* Turn on master enable */ 499 cmd |= PCI_COMMAND_MASTER; 500 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 501 502 /* Disable RISC pause on FPM parity error. */ 503 if (!IS_QLA2100(ha)) { 504 WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); 505 RD_REG_WORD(®->hccr); /* PCI Posting. */ 506 } 507 508 spin_unlock_irqrestore(&ha->hardware_lock, flags); 509 } 510 511 /** 512 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC. 513 * @ha: HA context 514 * 515 * Returns 0 on success. 516 */ 517 static inline void 518 qla24xx_reset_risc(scsi_qla_host_t *ha) 519 { 520 int hw_evt = 0; 521 unsigned long flags = 0; 522 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 523 uint32_t cnt, d2; 524 uint16_t wd; 525 526 spin_lock_irqsave(&ha->hardware_lock, flags); 527 528 /* Reset RISC. */ 529 WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 530 for (cnt = 0; cnt < 30000; cnt++) { 531 if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) 532 break; 533 534 udelay(10); 535 } 536 537 WRT_REG_DWORD(®->ctrl_status, 538 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 539 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd); 540 541 udelay(100); 542 /* Wait for firmware to complete NVRAM accesses. */ 543 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 544 for (cnt = 10000 ; cnt && d2; cnt--) { 545 udelay(5); 546 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 547 barrier(); 548 } 549 if (cnt == 0) 550 hw_evt = 1; 551 552 /* Wait for soft-reset to complete. */ 553 d2 = RD_REG_DWORD(®->ctrl_status); 554 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) { 555 udelay(5); 556 d2 = RD_REG_DWORD(®->ctrl_status); 557 barrier(); 558 } 559 if (cnt == 0 || hw_evt) 560 qla2xxx_hw_event_log(ha, HW_EVENT_RESET_ERR, 561 RD_REG_WORD(®->mailbox1), RD_REG_WORD(®->mailbox2), 562 RD_REG_WORD(®->mailbox3)); 563 564 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 565 RD_REG_DWORD(®->hccr); 566 567 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 568 RD_REG_DWORD(®->hccr); 569 570 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET); 571 RD_REG_DWORD(®->hccr); 572 573 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 574 for (cnt = 6000000 ; cnt && d2; cnt--) { 575 udelay(5); 576 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 577 barrier(); 578 } 579 580 spin_unlock_irqrestore(&ha->hardware_lock, flags); 581 } 582 583 /** 584 * qla24xx_reset_chip() - Reset ISP24xx chip. 585 * @ha: HA context 586 * 587 * Returns 0 on success. 588 */ 589 void 590 qla24xx_reset_chip(scsi_qla_host_t *ha) 591 { 592 ha->isp_ops->disable_intrs(ha); 593 594 /* Perform RISC reset. */ 595 qla24xx_reset_risc(ha); 596 } 597 598 /** 599 * qla2x00_chip_diag() - Test chip for proper operation. 600 * @ha: HA context 601 * 602 * Returns 0 on success. 603 */ 604 int 605 qla2x00_chip_diag(scsi_qla_host_t *ha) 606 { 607 int rval; 608 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 609 unsigned long flags = 0; 610 uint16_t data; 611 uint32_t cnt; 612 uint16_t mb[5]; 613 614 /* Assume a failed state */ 615 rval = QLA_FUNCTION_FAILED; 616 617 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", 618 ha->host_no, (u_long)®->flash_address)); 619 620 spin_lock_irqsave(&ha->hardware_lock, flags); 621 622 /* Reset ISP chip. */ 623 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 624 625 /* 626 * We need to have a delay here since the card will not respond while 627 * in reset causing an MCA on some architectures. 628 */ 629 udelay(20); 630 data = qla2x00_debounce_register(®->ctrl_status); 631 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { 632 udelay(5); 633 data = RD_REG_WORD(®->ctrl_status); 634 barrier(); 635 } 636 637 if (!cnt) 638 goto chip_diag_failed; 639 640 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", 641 ha->host_no)); 642 643 /* Reset RISC processor. */ 644 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 645 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 646 647 /* Workaround for QLA2312 PCI parity error */ 648 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 649 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); 650 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { 651 udelay(5); 652 data = RD_MAILBOX_REG(ha, reg, 0); 653 barrier(); 654 } 655 } else 656 udelay(10); 657 658 if (!cnt) 659 goto chip_diag_failed; 660 661 /* Check product ID of chip */ 662 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); 663 664 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 665 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 666 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 667 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); 668 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || 669 mb[3] != PROD_ID_3) { 670 qla_printk(KERN_WARNING, ha, 671 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); 672 673 goto chip_diag_failed; 674 } 675 ha->product_id[0] = mb[1]; 676 ha->product_id[1] = mb[2]; 677 ha->product_id[2] = mb[3]; 678 ha->product_id[3] = mb[4]; 679 680 /* Adjust fw RISC transfer size */ 681 if (ha->request_q_length > 1024) 682 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 683 else 684 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 685 ha->request_q_length; 686 687 if (IS_QLA2200(ha) && 688 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { 689 /* Limit firmware transfer size with a 2200A */ 690 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", 691 ha->host_no)); 692 693 ha->device_type |= DT_ISP2200A; 694 ha->fw_transfer_size = 128; 695 } 696 697 /* Wrap Incoming Mailboxes Test. */ 698 spin_unlock_irqrestore(&ha->hardware_lock, flags); 699 700 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); 701 rval = qla2x00_mbx_reg_test(ha); 702 if (rval) { 703 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 704 ha->host_no)); 705 qla_printk(KERN_WARNING, ha, 706 "Failed mailbox send register test\n"); 707 } 708 else { 709 /* Flag a successful rval */ 710 rval = QLA_SUCCESS; 711 } 712 spin_lock_irqsave(&ha->hardware_lock, flags); 713 714 chip_diag_failed: 715 if (rval) 716 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " 717 "****\n", ha->host_no)); 718 719 spin_unlock_irqrestore(&ha->hardware_lock, flags); 720 721 return (rval); 722 } 723 724 /** 725 * qla24xx_chip_diag() - Test ISP24xx for proper operation. 726 * @ha: HA context 727 * 728 * Returns 0 on success. 729 */ 730 int 731 qla24xx_chip_diag(scsi_qla_host_t *ha) 732 { 733 int rval; 734 735 /* Perform RISC reset. */ 736 qla24xx_reset_risc(ha); 737 738 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * ha->request_q_length; 739 740 rval = qla2x00_mbx_reg_test(ha); 741 if (rval) { 742 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 743 ha->host_no)); 744 qla_printk(KERN_WARNING, ha, 745 "Failed mailbox send register test\n"); 746 } else { 747 /* Flag a successful rval */ 748 rval = QLA_SUCCESS; 749 } 750 751 return rval; 752 } 753 754 void 755 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) 756 { 757 int rval; 758 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size, 759 eft_size, fce_size; 760 dma_addr_t tc_dma; 761 void *tc; 762 763 if (ha->fw_dump) { 764 qla_printk(KERN_WARNING, ha, 765 "Firmware dump previously allocated.\n"); 766 return; 767 } 768 769 ha->fw_dumped = 0; 770 fixed_size = mem_size = eft_size = fce_size = 0; 771 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 772 fixed_size = sizeof(struct qla2100_fw_dump); 773 } else if (IS_QLA23XX(ha)) { 774 fixed_size = offsetof(struct qla2300_fw_dump, data_ram); 775 mem_size = (ha->fw_memory_size - 0x11000 + 1) * 776 sizeof(uint16_t); 777 } else if (IS_FWI2_CAPABLE(ha)) { 778 fixed_size = IS_QLA25XX(ha) ? 779 offsetof(struct qla25xx_fw_dump, ext_mem): 780 offsetof(struct qla24xx_fw_dump, ext_mem); 781 mem_size = (ha->fw_memory_size - 0x100000 + 1) * 782 sizeof(uint32_t); 783 784 /* Allocate memory for Fibre Channel Event Buffer. */ 785 if (!IS_QLA25XX(ha)) 786 goto try_eft; 787 788 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma, 789 GFP_KERNEL); 790 if (!tc) { 791 qla_printk(KERN_WARNING, ha, "Unable to allocate " 792 "(%d KB) for FCE.\n", FCE_SIZE / 1024); 793 goto try_eft; 794 } 795 796 memset(tc, 0, FCE_SIZE); 797 rval = qla2x00_enable_fce_trace(ha, tc_dma, FCE_NUM_BUFFERS, 798 ha->fce_mb, &ha->fce_bufs); 799 if (rval) { 800 qla_printk(KERN_WARNING, ha, "Unable to initialize " 801 "FCE (%d).\n", rval); 802 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, 803 tc_dma); 804 ha->flags.fce_enabled = 0; 805 goto try_eft; 806 } 807 808 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n", 809 FCE_SIZE / 1024); 810 811 fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE; 812 ha->flags.fce_enabled = 1; 813 ha->fce_dma = tc_dma; 814 ha->fce = tc; 815 try_eft: 816 /* Allocate memory for Extended Trace Buffer. */ 817 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma, 818 GFP_KERNEL); 819 if (!tc) { 820 qla_printk(KERN_WARNING, ha, "Unable to allocate " 821 "(%d KB) for EFT.\n", EFT_SIZE / 1024); 822 goto cont_alloc; 823 } 824 825 memset(tc, 0, EFT_SIZE); 826 rval = qla2x00_enable_eft_trace(ha, tc_dma, EFT_NUM_BUFFERS); 827 if (rval) { 828 qla_printk(KERN_WARNING, ha, "Unable to initialize " 829 "EFT (%d).\n", rval); 830 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, 831 tc_dma); 832 goto cont_alloc; 833 } 834 835 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n", 836 EFT_SIZE / 1024); 837 838 eft_size = EFT_SIZE; 839 ha->eft_dma = tc_dma; 840 ha->eft = tc; 841 } 842 cont_alloc: 843 req_q_size = ha->request_q_length * sizeof(request_t); 844 rsp_q_size = ha->response_q_length * sizeof(response_t); 845 846 dump_size = offsetof(struct qla2xxx_fw_dump, isp); 847 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + 848 eft_size + fce_size; 849 850 ha->fw_dump = vmalloc(dump_size); 851 if (!ha->fw_dump) { 852 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for " 853 "firmware dump!!!\n", dump_size / 1024); 854 855 if (ha->eft) { 856 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft, 857 ha->eft_dma); 858 ha->eft = NULL; 859 ha->eft_dma = 0; 860 } 861 return; 862 } 863 864 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n", 865 dump_size / 1024); 866 867 ha->fw_dump_len = dump_size; 868 ha->fw_dump->signature[0] = 'Q'; 869 ha->fw_dump->signature[1] = 'L'; 870 ha->fw_dump->signature[2] = 'G'; 871 ha->fw_dump->signature[3] = 'C'; 872 ha->fw_dump->version = __constant_htonl(1); 873 874 ha->fw_dump->fixed_size = htonl(fixed_size); 875 ha->fw_dump->mem_size = htonl(mem_size); 876 ha->fw_dump->req_q_size = htonl(req_q_size); 877 ha->fw_dump->rsp_q_size = htonl(rsp_q_size); 878 879 ha->fw_dump->eft_size = htonl(eft_size); 880 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma)); 881 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma)); 882 883 ha->fw_dump->header_size = 884 htonl(offsetof(struct qla2xxx_fw_dump, isp)); 885 } 886 887 /** 888 * qla2x00_resize_request_q() - Resize request queue given available ISP memory. 889 * @ha: HA context 890 * 891 * Returns 0 on success. 892 */ 893 static void 894 qla2x00_resize_request_q(scsi_qla_host_t *ha) 895 { 896 int rval; 897 uint16_t fw_iocb_cnt = 0; 898 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; 899 dma_addr_t request_dma; 900 request_t *request_ring; 901 902 /* Valid only on recent ISPs. */ 903 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 904 return; 905 906 /* Retrieve IOCB counts available to the firmware. */ 907 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt, 908 &ha->max_npiv_vports); 909 if (rval) 910 return; 911 /* No point in continuing if current settings are sufficient. */ 912 if (fw_iocb_cnt < 1024) 913 return; 914 if (ha->request_q_length >= request_q_length) 915 return; 916 917 /* Attempt to claim larger area for request queue. */ 918 request_ring = dma_alloc_coherent(&ha->pdev->dev, 919 (request_q_length + 1) * sizeof(request_t), &request_dma, 920 GFP_KERNEL); 921 if (request_ring == NULL) 922 return; 923 924 /* Resize successful, report extensions. */ 925 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", 926 (ha->fw_memory_size + 1) / 1024); 927 qla_printk(KERN_INFO, ha, "Resizing request queue depth " 928 "(%d -> %d)...\n", ha->request_q_length, request_q_length); 929 930 /* Clear old allocations. */ 931 dma_free_coherent(&ha->pdev->dev, 932 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, 933 ha->request_dma); 934 935 /* Begin using larger queue. */ 936 ha->request_q_length = request_q_length; 937 ha->request_ring = request_ring; 938 ha->request_dma = request_dma; 939 } 940 941 /** 942 * qla2x00_setup_chip() - Load and start RISC firmware. 943 * @ha: HA context 944 * 945 * Returns 0 on success. 946 */ 947 static int 948 qla2x00_setup_chip(scsi_qla_host_t *ha) 949 { 950 int rval; 951 uint32_t srisc_address = 0; 952 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 953 unsigned long flags; 954 955 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { 956 /* Disable SRAM, Instruction RAM and GP RAM parity. */ 957 spin_lock_irqsave(&ha->hardware_lock, flags); 958 WRT_REG_WORD(®->hccr, (HCCR_ENABLE_PARITY + 0x0)); 959 RD_REG_WORD(®->hccr); 960 spin_unlock_irqrestore(&ha->hardware_lock, flags); 961 } 962 963 /* Load firmware sequences */ 964 rval = ha->isp_ops->load_risc(ha, &srisc_address); 965 if (rval == QLA_SUCCESS) { 966 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " 967 "code.\n", ha->host_no)); 968 969 rval = qla2x00_verify_checksum(ha, srisc_address); 970 if (rval == QLA_SUCCESS) { 971 /* Start firmware execution. */ 972 DEBUG(printk("scsi(%ld): Checksum OK, start " 973 "firmware.\n", ha->host_no)); 974 975 rval = qla2x00_execute_fw(ha, srisc_address); 976 /* Retrieve firmware information. */ 977 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { 978 qla2x00_get_fw_version(ha, 979 &ha->fw_major_version, 980 &ha->fw_minor_version, 981 &ha->fw_subminor_version, 982 &ha->fw_attributes, &ha->fw_memory_size); 983 qla2x00_resize_request_q(ha); 984 ha->flags.npiv_supported = 0; 985 if ((IS_QLA24XX(ha) || IS_QLA25XX(ha) || 986 IS_QLA84XX(ha)) && 987 (ha->fw_attributes & BIT_2)) { 988 ha->flags.npiv_supported = 1; 989 if ((!ha->max_npiv_vports) || 990 ((ha->max_npiv_vports + 1) % 991 MIN_MULTI_ID_FABRIC)) 992 ha->max_npiv_vports = 993 MIN_MULTI_ID_FABRIC - 1; 994 } 995 996 if (ql2xallocfwdump) 997 qla2x00_alloc_fw_dump(ha); 998 } 999 } else { 1000 DEBUG2(printk(KERN_INFO 1001 "scsi(%ld): ISP Firmware failed checksum.\n", 1002 ha->host_no)); 1003 } 1004 } 1005 1006 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { 1007 /* Enable proper parity. */ 1008 spin_lock_irqsave(&ha->hardware_lock, flags); 1009 if (IS_QLA2300(ha)) 1010 /* SRAM parity */ 1011 WRT_REG_WORD(®->hccr, HCCR_ENABLE_PARITY + 0x1); 1012 else 1013 /* SRAM, Instruction RAM and GP RAM parity */ 1014 WRT_REG_WORD(®->hccr, HCCR_ENABLE_PARITY + 0x7); 1015 RD_REG_WORD(®->hccr); 1016 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1017 } 1018 1019 if (rval) { 1020 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", 1021 ha->host_no)); 1022 } 1023 1024 return (rval); 1025 } 1026 1027 /** 1028 * qla2x00_init_response_q_entries() - Initializes response queue entries. 1029 * @ha: HA context 1030 * 1031 * Beginning of request ring has initialization control block already built 1032 * by nvram config routine. 1033 * 1034 * Returns 0 on success. 1035 */ 1036 static void 1037 qla2x00_init_response_q_entries(scsi_qla_host_t *ha) 1038 { 1039 uint16_t cnt; 1040 response_t *pkt; 1041 1042 pkt = ha->response_ring_ptr; 1043 for (cnt = 0; cnt < ha->response_q_length; cnt++) { 1044 pkt->signature = RESPONSE_PROCESSED; 1045 pkt++; 1046 } 1047 1048 } 1049 1050 /** 1051 * qla2x00_update_fw_options() - Read and process firmware options. 1052 * @ha: HA context 1053 * 1054 * Returns 0 on success. 1055 */ 1056 void 1057 qla2x00_update_fw_options(scsi_qla_host_t *ha) 1058 { 1059 uint16_t swing, emphasis, tx_sens, rx_sens; 1060 1061 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 1062 qla2x00_get_fw_options(ha, ha->fw_options); 1063 1064 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1065 return; 1066 1067 /* Serial Link options. */ 1068 DEBUG3(printk("scsi(%ld): Serial link options:\n", 1069 ha->host_no)); 1070 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, 1071 sizeof(ha->fw_seriallink_options))); 1072 1073 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 1074 if (ha->fw_seriallink_options[3] & BIT_2) { 1075 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 1076 1077 /* 1G settings */ 1078 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 1079 emphasis = (ha->fw_seriallink_options[2] & 1080 (BIT_4 | BIT_3)) >> 3; 1081 tx_sens = ha->fw_seriallink_options[0] & 1082 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1083 rx_sens = (ha->fw_seriallink_options[0] & 1084 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 1085 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 1086 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 1087 if (rx_sens == 0x0) 1088 rx_sens = 0x3; 1089 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 1090 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1091 ha->fw_options[10] |= BIT_5 | 1092 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1093 (tx_sens & (BIT_1 | BIT_0)); 1094 1095 /* 2G settings */ 1096 swing = (ha->fw_seriallink_options[2] & 1097 (BIT_7 | BIT_6 | BIT_5)) >> 5; 1098 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 1099 tx_sens = ha->fw_seriallink_options[1] & 1100 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1101 rx_sens = (ha->fw_seriallink_options[1] & 1102 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 1103 ha->fw_options[11] = (emphasis << 14) | (swing << 8); 1104 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 1105 if (rx_sens == 0x0) 1106 rx_sens = 0x3; 1107 ha->fw_options[11] |= (tx_sens << 4) | rx_sens; 1108 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1109 ha->fw_options[11] |= BIT_5 | 1110 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1111 (tx_sens & (BIT_1 | BIT_0)); 1112 } 1113 1114 /* FCP2 options. */ 1115 /* Return command IOCBs without waiting for an ABTS to complete. */ 1116 ha->fw_options[3] |= BIT_13; 1117 1118 /* LED scheme. */ 1119 if (ha->flags.enable_led_scheme) 1120 ha->fw_options[2] |= BIT_12; 1121 1122 /* Detect ISP6312. */ 1123 if (IS_QLA6312(ha)) 1124 ha->fw_options[2] |= BIT_13; 1125 1126 /* Update firmware options. */ 1127 qla2x00_set_fw_options(ha, ha->fw_options); 1128 } 1129 1130 void 1131 qla24xx_update_fw_options(scsi_qla_host_t *ha) 1132 { 1133 int rval; 1134 1135 /* Update Serial Link options. */ 1136 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0) 1137 return; 1138 1139 rval = qla2x00_set_serdes_params(ha, 1140 le16_to_cpu(ha->fw_seriallink_options24[1]), 1141 le16_to_cpu(ha->fw_seriallink_options24[2]), 1142 le16_to_cpu(ha->fw_seriallink_options24[3])); 1143 if (rval != QLA_SUCCESS) { 1144 qla_printk(KERN_WARNING, ha, 1145 "Unable to update Serial Link options (%x).\n", rval); 1146 } 1147 } 1148 1149 void 1150 qla2x00_config_rings(struct scsi_qla_host *ha) 1151 { 1152 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1153 1154 /* Setup ring parameters in initialization control block. */ 1155 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); 1156 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); 1157 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); 1158 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); 1159 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1160 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1161 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1162 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1163 1164 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); 1165 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); 1166 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); 1167 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); 1168 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 1169 } 1170 1171 void 1172 qla24xx_config_rings(struct scsi_qla_host *ha) 1173 { 1174 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1175 struct init_cb_24xx *icb; 1176 1177 /* Setup ring parameters in initialization control block. */ 1178 icb = (struct init_cb_24xx *)ha->init_cb; 1179 icb->request_q_outpointer = __constant_cpu_to_le16(0); 1180 icb->response_q_inpointer = __constant_cpu_to_le16(0); 1181 icb->request_q_length = cpu_to_le16(ha->request_q_length); 1182 icb->response_q_length = cpu_to_le16(ha->response_q_length); 1183 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1184 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1185 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1186 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1187 1188 WRT_REG_DWORD(®->req_q_in, 0); 1189 WRT_REG_DWORD(®->req_q_out, 0); 1190 WRT_REG_DWORD(®->rsp_q_in, 0); 1191 WRT_REG_DWORD(®->rsp_q_out, 0); 1192 RD_REG_DWORD(®->rsp_q_out); 1193 } 1194 1195 /** 1196 * qla2x00_init_rings() - Initializes firmware. 1197 * @ha: HA context 1198 * 1199 * Beginning of request ring has initialization control block already built 1200 * by nvram config routine. 1201 * 1202 * Returns 0 on success. 1203 */ 1204 static int 1205 qla2x00_init_rings(scsi_qla_host_t *ha) 1206 { 1207 int rval; 1208 unsigned long flags = 0; 1209 int cnt; 1210 struct mid_init_cb_24xx *mid_init_cb = 1211 (struct mid_init_cb_24xx *) ha->init_cb; 1212 1213 spin_lock_irqsave(&ha->hardware_lock, flags); 1214 1215 /* Clear outstanding commands array. */ 1216 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) 1217 ha->outstanding_cmds[cnt] = NULL; 1218 1219 ha->current_outstanding_cmd = 0; 1220 1221 /* Clear RSCN queue. */ 1222 ha->rscn_in_ptr = 0; 1223 ha->rscn_out_ptr = 0; 1224 1225 /* Initialize firmware. */ 1226 ha->request_ring_ptr = ha->request_ring; 1227 ha->req_ring_index = 0; 1228 ha->req_q_cnt = ha->request_q_length; 1229 ha->response_ring_ptr = ha->response_ring; 1230 ha->rsp_ring_index = 0; 1231 1232 /* Initialize response queue entries */ 1233 qla2x00_init_response_q_entries(ha); 1234 1235 ha->isp_ops->config_rings(ha); 1236 1237 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1238 1239 /* Update any ISP specific firmware options before initialization. */ 1240 ha->isp_ops->update_fw_options(ha); 1241 1242 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); 1243 1244 if (ha->flags.npiv_supported) 1245 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports); 1246 1247 mid_init_cb->options = __constant_cpu_to_le16(BIT_1); 1248 1249 rval = qla2x00_init_firmware(ha, ha->init_cb_size); 1250 if (rval) { 1251 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", 1252 ha->host_no)); 1253 } else { 1254 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", 1255 ha->host_no)); 1256 } 1257 1258 return (rval); 1259 } 1260 1261 /** 1262 * qla2x00_fw_ready() - Waits for firmware ready. 1263 * @ha: HA context 1264 * 1265 * Returns 0 on success. 1266 */ 1267 static int 1268 qla2x00_fw_ready(scsi_qla_host_t *ha) 1269 { 1270 int rval; 1271 unsigned long wtime, mtime, cs84xx_time; 1272 uint16_t min_wait; /* Minimum wait time if loop is down */ 1273 uint16_t wait_time; /* Wait time if loop is coming ready */ 1274 uint16_t state[3]; 1275 1276 rval = QLA_SUCCESS; 1277 1278 /* 20 seconds for loop down. */ 1279 min_wait = 20; 1280 1281 /* 1282 * Firmware should take at most one RATOV to login, plus 5 seconds for 1283 * our own processing. 1284 */ 1285 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 1286 wait_time = min_wait; 1287 } 1288 1289 /* Min wait time if loop down */ 1290 mtime = jiffies + (min_wait * HZ); 1291 1292 /* wait time before firmware ready */ 1293 wtime = jiffies + (wait_time * HZ); 1294 1295 /* Wait for ISP to finish LIP */ 1296 if (!ha->flags.init_done) 1297 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); 1298 1299 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", 1300 ha->host_no)); 1301 1302 do { 1303 rval = qla2x00_get_firmware_state(ha, state); 1304 if (rval == QLA_SUCCESS) { 1305 if (state[0] < FSTATE_LOSS_OF_SYNC) { 1306 ha->device_flags &= ~DFLG_NO_CABLE; 1307 } 1308 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) { 1309 DEBUG16(printk("scsi(%ld): fw_state=%x " 1310 "84xx=%x.\n", ha->host_no, state[0], 1311 state[2])); 1312 if ((state[2] & FSTATE_LOGGED_IN) && 1313 (state[2] & FSTATE_WAITING_FOR_VERIFY)) { 1314 DEBUG16(printk("scsi(%ld): Sending " 1315 "verify iocb.\n", ha->host_no)); 1316 1317 cs84xx_time = jiffies; 1318 rval = qla84xx_init_chip(ha); 1319 if (rval != QLA_SUCCESS) 1320 break; 1321 1322 /* Add time taken to initialize. */ 1323 cs84xx_time = jiffies - cs84xx_time; 1324 wtime += cs84xx_time; 1325 mtime += cs84xx_time; 1326 DEBUG16(printk("scsi(%ld): Increasing " 1327 "wait time by %ld. New time %ld\n", 1328 ha->host_no, cs84xx_time, wtime)); 1329 } 1330 } else if (state[0] == FSTATE_READY) { 1331 DEBUG(printk("scsi(%ld): F/W Ready - OK \n", 1332 ha->host_no)); 1333 1334 qla2x00_get_retry_cnt(ha, &ha->retry_count, 1335 &ha->login_timeout, &ha->r_a_tov); 1336 1337 rval = QLA_SUCCESS; 1338 break; 1339 } 1340 1341 rval = QLA_FUNCTION_FAILED; 1342 1343 if (atomic_read(&ha->loop_down_timer) && 1344 state[0] != FSTATE_READY) { 1345 /* Loop down. Timeout on min_wait for states 1346 * other than Wait for Login. 1347 */ 1348 if (time_after_eq(jiffies, mtime)) { 1349 qla_printk(KERN_INFO, ha, 1350 "Cable is unplugged...\n"); 1351 1352 ha->device_flags |= DFLG_NO_CABLE; 1353 break; 1354 } 1355 } 1356 } else { 1357 /* Mailbox cmd failed. Timeout on min_wait. */ 1358 if (time_after_eq(jiffies, mtime)) 1359 break; 1360 } 1361 1362 if (time_after_eq(jiffies, wtime)) 1363 break; 1364 1365 /* Delay for a while */ 1366 msleep(500); 1367 1368 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1369 ha->host_no, state[0], jiffies)); 1370 } while (1); 1371 1372 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1373 ha->host_no, state[0], jiffies)); 1374 1375 if (rval) { 1376 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", 1377 ha->host_no)); 1378 } 1379 1380 return (rval); 1381 } 1382 1383 /* 1384 * qla2x00_configure_hba 1385 * Setup adapter context. 1386 * 1387 * Input: 1388 * ha = adapter state pointer. 1389 * 1390 * Returns: 1391 * 0 = success 1392 * 1393 * Context: 1394 * Kernel context. 1395 */ 1396 static int 1397 qla2x00_configure_hba(scsi_qla_host_t *ha) 1398 { 1399 int rval; 1400 uint16_t loop_id; 1401 uint16_t topo; 1402 uint16_t sw_cap; 1403 uint8_t al_pa; 1404 uint8_t area; 1405 uint8_t domain; 1406 char connect_type[22]; 1407 1408 /* Get host addresses. */ 1409 rval = qla2x00_get_adapter_id(ha, 1410 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap); 1411 if (rval != QLA_SUCCESS) { 1412 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) || 1413 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { 1414 DEBUG2(printk("%s(%ld) Loop is in a transition state\n", 1415 __func__, ha->host_no)); 1416 } else { 1417 qla_printk(KERN_WARNING, ha, 1418 "ERROR -- Unable to get host loop ID.\n"); 1419 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 1420 } 1421 return (rval); 1422 } 1423 1424 if (topo == 4) { 1425 qla_printk(KERN_INFO, ha, 1426 "Cannot get topology - retrying.\n"); 1427 return (QLA_FUNCTION_FAILED); 1428 } 1429 1430 ha->loop_id = loop_id; 1431 1432 /* initialize */ 1433 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 1434 ha->operating_mode = LOOP; 1435 ha->switch_cap = 0; 1436 1437 switch (topo) { 1438 case 0: 1439 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", 1440 ha->host_no)); 1441 ha->current_topology = ISP_CFG_NL; 1442 strcpy(connect_type, "(Loop)"); 1443 break; 1444 1445 case 1: 1446 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", 1447 ha->host_no)); 1448 ha->switch_cap = sw_cap; 1449 ha->current_topology = ISP_CFG_FL; 1450 strcpy(connect_type, "(FL_Port)"); 1451 break; 1452 1453 case 2: 1454 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", 1455 ha->host_no)); 1456 ha->operating_mode = P2P; 1457 ha->current_topology = ISP_CFG_N; 1458 strcpy(connect_type, "(N_Port-to-N_Port)"); 1459 break; 1460 1461 case 3: 1462 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", 1463 ha->host_no)); 1464 ha->switch_cap = sw_cap; 1465 ha->operating_mode = P2P; 1466 ha->current_topology = ISP_CFG_F; 1467 strcpy(connect_type, "(F_Port)"); 1468 break; 1469 1470 default: 1471 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " 1472 "Using NL.\n", 1473 ha->host_no, topo)); 1474 ha->current_topology = ISP_CFG_NL; 1475 strcpy(connect_type, "(Loop)"); 1476 break; 1477 } 1478 1479 /* Save Host port and loop ID. */ 1480 /* byte order - Big Endian */ 1481 ha->d_id.b.domain = domain; 1482 ha->d_id.b.area = area; 1483 ha->d_id.b.al_pa = al_pa; 1484 1485 if (!ha->flags.init_done) 1486 qla_printk(KERN_INFO, ha, 1487 "Topology - %s, Host Loop address 0x%x\n", 1488 connect_type, ha->loop_id); 1489 1490 if (rval) { 1491 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); 1492 } else { 1493 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); 1494 } 1495 1496 return(rval); 1497 } 1498 1499 static inline void 1500 qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def) 1501 { 1502 char *st, *en; 1503 uint16_t index; 1504 1505 if (memcmp(model, BINZERO, len) != 0) { 1506 strncpy(ha->model_number, model, len); 1507 st = en = ha->model_number; 1508 en += len - 1; 1509 while (en > st) { 1510 if (*en != 0x20 && *en != 0x00) 1511 break; 1512 *en-- = '\0'; 1513 } 1514 1515 index = (ha->pdev->subsystem_device & 0xff); 1516 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 1517 index < QLA_MODEL_NAMES) 1518 strncpy(ha->model_desc, 1519 qla2x00_model_name[index * 2 + 1], 1520 sizeof(ha->model_desc) - 1); 1521 } else { 1522 index = (ha->pdev->subsystem_device & 0xff); 1523 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 1524 index < QLA_MODEL_NAMES) { 1525 strcpy(ha->model_number, 1526 qla2x00_model_name[index * 2]); 1527 strncpy(ha->model_desc, 1528 qla2x00_model_name[index * 2 + 1], 1529 sizeof(ha->model_desc) - 1); 1530 } else { 1531 strcpy(ha->model_number, def); 1532 } 1533 } 1534 if (IS_FWI2_CAPABLE(ha)) 1535 qla2xxx_get_vpd_field(ha, "\x82", ha->model_desc, 1536 sizeof(ha->model_desc)); 1537 } 1538 1539 /* On sparc systems, obtain port and node WWN from firmware 1540 * properties. 1541 */ 1542 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv) 1543 { 1544 #ifdef CONFIG_SPARC 1545 struct pci_dev *pdev = ha->pdev; 1546 struct device_node *dp = pci_device_to_OF_node(pdev); 1547 const u8 *val; 1548 int len; 1549 1550 val = of_get_property(dp, "port-wwn", &len); 1551 if (val && len >= WWN_SIZE) 1552 memcpy(nv->port_name, val, WWN_SIZE); 1553 1554 val = of_get_property(dp, "node-wwn", &len); 1555 if (val && len >= WWN_SIZE) 1556 memcpy(nv->node_name, val, WWN_SIZE); 1557 #endif 1558 } 1559 1560 /* 1561 * NVRAM configuration for ISP 2xxx 1562 * 1563 * Input: 1564 * ha = adapter block pointer. 1565 * 1566 * Output: 1567 * initialization control block in response_ring 1568 * host adapters parameters in host adapter block 1569 * 1570 * Returns: 1571 * 0 = success. 1572 */ 1573 int 1574 qla2x00_nvram_config(scsi_qla_host_t *ha) 1575 { 1576 int rval; 1577 uint8_t chksum = 0; 1578 uint16_t cnt; 1579 uint8_t *dptr1, *dptr2; 1580 init_cb_t *icb = ha->init_cb; 1581 nvram_t *nv = ha->nvram; 1582 uint8_t *ptr = ha->nvram; 1583 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1584 1585 rval = QLA_SUCCESS; 1586 1587 /* Determine NVRAM starting address. */ 1588 ha->nvram_size = sizeof(nvram_t); 1589 ha->nvram_base = 0; 1590 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 1591 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) 1592 ha->nvram_base = 0x80; 1593 1594 /* Get NVRAM data and calculate checksum. */ 1595 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size); 1596 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 1597 chksum += *ptr++; 1598 1599 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 1600 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); 1601 1602 /* Bad NVRAM data, set defaults parameters. */ 1603 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || 1604 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { 1605 /* Reset NVRAM data. */ 1606 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 1607 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 1608 nv->nvram_version); 1609 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 1610 "invalid -- WWPN) defaults.\n"); 1611 1612 if (chksum) 1613 qla2xxx_hw_event_log(ha, HW_EVENT_NVRAM_CHKSUM_ERR, 0, 1614 MSW(chksum), LSW(chksum)); 1615 1616 /* 1617 * Set default initialization control block. 1618 */ 1619 memset(nv, 0, ha->nvram_size); 1620 nv->parameter_block_version = ICB_VERSION; 1621 1622 if (IS_QLA23XX(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(2048); 1628 nv->special_options[1] = BIT_7; 1629 } else if (IS_QLA2200(ha)) { 1630 nv->firmware_options[0] = BIT_2 | BIT_1; 1631 nv->firmware_options[1] = BIT_7 | BIT_5; 1632 nv->add_firmware_options[0] = BIT_5; 1633 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1634 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1635 } else if (IS_QLA2100(ha)) { 1636 nv->firmware_options[0] = BIT_3 | BIT_1; 1637 nv->firmware_options[1] = BIT_5; 1638 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1639 } 1640 1641 nv->max_iocb_allocation = __constant_cpu_to_le16(256); 1642 nv->execution_throttle = __constant_cpu_to_le16(16); 1643 nv->retry_count = 8; 1644 nv->retry_delay = 1; 1645 1646 nv->port_name[0] = 33; 1647 nv->port_name[3] = 224; 1648 nv->port_name[4] = 139; 1649 1650 qla2xxx_nvram_wwn_from_ofw(ha, nv); 1651 1652 nv->login_timeout = 4; 1653 1654 /* 1655 * Set default host adapter parameters 1656 */ 1657 nv->host_p[1] = BIT_2; 1658 nv->reset_delay = 5; 1659 nv->port_down_retry_count = 8; 1660 nv->max_luns_per_target = __constant_cpu_to_le16(8); 1661 nv->link_down_timeout = 60; 1662 1663 rval = 1; 1664 } 1665 1666 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) 1667 /* 1668 * The SN2 does not provide BIOS emulation which means you can't change 1669 * potentially bogus BIOS settings. Force the use of default settings 1670 * for link rate and frame size. Hope that the rest of the settings 1671 * are valid. 1672 */ 1673 if (ia64_platform_is("sn2")) { 1674 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1675 if (IS_QLA23XX(ha)) 1676 nv->special_options[1] = BIT_7; 1677 } 1678 #endif 1679 1680 /* Reset Initialization control block */ 1681 memset(icb, 0, ha->init_cb_size); 1682 1683 /* 1684 * Setup driver NVRAM options. 1685 */ 1686 nv->firmware_options[0] |= (BIT_6 | BIT_1); 1687 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 1688 nv->firmware_options[1] |= (BIT_5 | BIT_0); 1689 nv->firmware_options[1] &= ~BIT_4; 1690 1691 if (IS_QLA23XX(ha)) { 1692 nv->firmware_options[0] |= BIT_2; 1693 nv->firmware_options[0] &= ~BIT_3; 1694 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 1695 1696 if (IS_QLA2300(ha)) { 1697 if (ha->fb_rev == FPM_2310) { 1698 strcpy(ha->model_number, "QLA2310"); 1699 } else { 1700 strcpy(ha->model_number, "QLA2300"); 1701 } 1702 } else { 1703 qla2x00_set_model_info(ha, nv->model_number, 1704 sizeof(nv->model_number), "QLA23xx"); 1705 } 1706 } else if (IS_QLA2200(ha)) { 1707 nv->firmware_options[0] |= BIT_2; 1708 /* 1709 * 'Point-to-point preferred, else loop' is not a safe 1710 * connection mode setting. 1711 */ 1712 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 1713 (BIT_5 | BIT_4)) { 1714 /* Force 'loop preferred, else point-to-point'. */ 1715 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 1716 nv->add_firmware_options[0] |= BIT_5; 1717 } 1718 strcpy(ha->model_number, "QLA22xx"); 1719 } else /*if (IS_QLA2100(ha))*/ { 1720 strcpy(ha->model_number, "QLA2100"); 1721 } 1722 1723 /* 1724 * Copy over NVRAM RISC parameter block to initialization control block. 1725 */ 1726 dptr1 = (uint8_t *)icb; 1727 dptr2 = (uint8_t *)&nv->parameter_block_version; 1728 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 1729 while (cnt--) 1730 *dptr1++ = *dptr2++; 1731 1732 /* Copy 2nd half. */ 1733 dptr1 = (uint8_t *)icb->add_firmware_options; 1734 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 1735 while (cnt--) 1736 *dptr1++ = *dptr2++; 1737 1738 /* Use alternate WWN? */ 1739 if (nv->host_p[1] & BIT_7) { 1740 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 1741 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 1742 } 1743 1744 /* Prepare nodename */ 1745 if ((icb->firmware_options[1] & BIT_6) == 0) { 1746 /* 1747 * Firmware will apply the following mask if the nodename was 1748 * not provided. 1749 */ 1750 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 1751 icb->node_name[0] &= 0xF0; 1752 } 1753 1754 /* 1755 * Set host adapter parameters. 1756 */ 1757 if (nv->host_p[0] & BIT_7) 1758 ql2xextended_error_logging = 1; 1759 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 1760 /* Always load RISC code on non ISP2[12]00 chips. */ 1761 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 1762 ha->flags.disable_risc_code_load = 0; 1763 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 1764 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 1765 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 1766 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; 1767 ha->flags.disable_serdes = 0; 1768 1769 ha->operating_mode = 1770 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 1771 1772 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 1773 sizeof(ha->fw_seriallink_options)); 1774 1775 /* save HBA serial number */ 1776 ha->serial0 = icb->port_name[5]; 1777 ha->serial1 = icb->port_name[6]; 1778 ha->serial2 = icb->port_name[7]; 1779 ha->node_name = icb->node_name; 1780 ha->port_name = icb->port_name; 1781 1782 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 1783 1784 ha->retry_count = nv->retry_count; 1785 1786 /* Set minimum login_timeout to 4 seconds. */ 1787 if (nv->login_timeout < ql2xlogintimeout) 1788 nv->login_timeout = ql2xlogintimeout; 1789 if (nv->login_timeout < 4) 1790 nv->login_timeout = 4; 1791 ha->login_timeout = nv->login_timeout; 1792 icb->login_timeout = nv->login_timeout; 1793 1794 /* Set minimum RATOV to 100 tenths of a second. */ 1795 ha->r_a_tov = 100; 1796 1797 ha->loop_reset_delay = nv->reset_delay; 1798 1799 /* Link Down Timeout = 0: 1800 * 1801 * When Port Down timer expires we will start returning 1802 * I/O's to OS with "DID_NO_CONNECT". 1803 * 1804 * Link Down Timeout != 0: 1805 * 1806 * The driver waits for the link to come up after link down 1807 * before returning I/Os to OS with "DID_NO_CONNECT". 1808 */ 1809 if (nv->link_down_timeout == 0) { 1810 ha->loop_down_abort_time = 1811 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 1812 } else { 1813 ha->link_down_timeout = nv->link_down_timeout; 1814 ha->loop_down_abort_time = 1815 (LOOP_DOWN_TIME - ha->link_down_timeout); 1816 } 1817 1818 /* 1819 * Need enough time to try and get the port back. 1820 */ 1821 ha->port_down_retry_count = nv->port_down_retry_count; 1822 if (qlport_down_retry) 1823 ha->port_down_retry_count = qlport_down_retry; 1824 /* Set login_retry_count */ 1825 ha->login_retry_count = nv->retry_count; 1826 if (ha->port_down_retry_count == nv->port_down_retry_count && 1827 ha->port_down_retry_count > 3) 1828 ha->login_retry_count = ha->port_down_retry_count; 1829 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 1830 ha->login_retry_count = ha->port_down_retry_count; 1831 if (ql2xloginretrycount) 1832 ha->login_retry_count = ql2xloginretrycount; 1833 1834 icb->lun_enables = __constant_cpu_to_le16(0); 1835 icb->command_resource_count = 0; 1836 icb->immediate_notify_resource_count = 0; 1837 icb->timeout = __constant_cpu_to_le16(0); 1838 1839 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 1840 /* Enable RIO */ 1841 icb->firmware_options[0] &= ~BIT_3; 1842 icb->add_firmware_options[0] &= 1843 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1844 icb->add_firmware_options[0] |= BIT_2; 1845 icb->response_accumulation_timer = 3; 1846 icb->interrupt_delay_timer = 5; 1847 1848 ha->flags.process_response_queue = 1; 1849 } else { 1850 /* Enable ZIO. */ 1851 if (!ha->flags.init_done) { 1852 ha->zio_mode = icb->add_firmware_options[0] & 1853 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1854 ha->zio_timer = icb->interrupt_delay_timer ? 1855 icb->interrupt_delay_timer: 2; 1856 } 1857 icb->add_firmware_options[0] &= 1858 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1859 ha->flags.process_response_queue = 0; 1860 if (ha->zio_mode != QLA_ZIO_DISABLED) { 1861 ha->zio_mode = QLA_ZIO_MODE_6; 1862 1863 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer " 1864 "delay (%d us).\n", ha->host_no, ha->zio_mode, 1865 ha->zio_timer * 100)); 1866 qla_printk(KERN_INFO, ha, 1867 "ZIO mode %d enabled; timer delay (%d us).\n", 1868 ha->zio_mode, ha->zio_timer * 100); 1869 1870 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; 1871 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; 1872 ha->flags.process_response_queue = 1; 1873 } 1874 } 1875 1876 if (rval) { 1877 DEBUG2_3(printk(KERN_WARNING 1878 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 1879 } 1880 return (rval); 1881 } 1882 1883 static void 1884 qla2x00_rport_del(void *data) 1885 { 1886 fc_port_t *fcport = data; 1887 struct fc_rport *rport; 1888 1889 spin_lock_irq(fcport->ha->host->host_lock); 1890 rport = fcport->drport; 1891 fcport->drport = NULL; 1892 spin_unlock_irq(fcport->ha->host->host_lock); 1893 if (rport) 1894 fc_remote_port_delete(rport); 1895 } 1896 1897 /** 1898 * qla2x00_alloc_fcport() - Allocate a generic fcport. 1899 * @ha: HA context 1900 * @flags: allocation flags 1901 * 1902 * Returns a pointer to the allocated fcport, or NULL, if none available. 1903 */ 1904 static fc_port_t * 1905 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags) 1906 { 1907 fc_port_t *fcport; 1908 1909 fcport = kzalloc(sizeof(fc_port_t), flags); 1910 if (!fcport) 1911 return NULL; 1912 1913 /* Setup fcport template structure. */ 1914 fcport->ha = ha; 1915 fcport->vp_idx = ha->vp_idx; 1916 fcport->port_type = FCT_UNKNOWN; 1917 fcport->loop_id = FC_NO_LOOP_ID; 1918 atomic_set(&fcport->state, FCS_UNCONFIGURED); 1919 fcport->flags = FCF_RLC_SUPPORT; 1920 fcport->supported_classes = FC_COS_UNSPECIFIED; 1921 1922 return fcport; 1923 } 1924 1925 /* 1926 * qla2x00_configure_loop 1927 * Updates Fibre Channel Device Database with what is actually on loop. 1928 * 1929 * Input: 1930 * ha = adapter block pointer. 1931 * 1932 * Returns: 1933 * 0 = success. 1934 * 1 = error. 1935 * 2 = database was full and device was not configured. 1936 */ 1937 static int 1938 qla2x00_configure_loop(scsi_qla_host_t *ha) 1939 { 1940 int rval; 1941 unsigned long flags, save_flags; 1942 1943 rval = QLA_SUCCESS; 1944 1945 /* Get Initiator ID */ 1946 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { 1947 rval = qla2x00_configure_hba(ha); 1948 if (rval != QLA_SUCCESS) { 1949 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", 1950 ha->host_no)); 1951 return (rval); 1952 } 1953 } 1954 1955 save_flags = flags = ha->dpc_flags; 1956 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", 1957 ha->host_no, flags)); 1958 1959 /* 1960 * If we have both an RSCN and PORT UPDATE pending then handle them 1961 * both at the same time. 1962 */ 1963 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1964 clear_bit(RSCN_UPDATE, &ha->dpc_flags); 1965 1966 /* Determine what we need to do */ 1967 if (ha->current_topology == ISP_CFG_FL && 1968 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1969 1970 ha->flags.rscn_queue_overflow = 1; 1971 set_bit(RSCN_UPDATE, &flags); 1972 1973 } else if (ha->current_topology == ISP_CFG_F && 1974 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1975 1976 ha->flags.rscn_queue_overflow = 1; 1977 set_bit(RSCN_UPDATE, &flags); 1978 clear_bit(LOCAL_LOOP_UPDATE, &flags); 1979 1980 } else if (ha->current_topology == ISP_CFG_N) { 1981 clear_bit(RSCN_UPDATE, &flags); 1982 1983 } else if (!ha->flags.online || 1984 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 1985 1986 ha->flags.rscn_queue_overflow = 1; 1987 set_bit(RSCN_UPDATE, &flags); 1988 set_bit(LOCAL_LOOP_UPDATE, &flags); 1989 } 1990 1991 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 1992 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1993 rval = QLA_FUNCTION_FAILED; 1994 } else { 1995 rval = qla2x00_configure_local_loop(ha); 1996 } 1997 } 1998 1999 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 2000 if (LOOP_TRANSITION(ha)) { 2001 rval = QLA_FUNCTION_FAILED; 2002 } else { 2003 rval = qla2x00_configure_fabric(ha); 2004 } 2005 } 2006 2007 if (rval == QLA_SUCCESS) { 2008 if (atomic_read(&ha->loop_down_timer) || 2009 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 2010 rval = QLA_FUNCTION_FAILED; 2011 } else { 2012 atomic_set(&ha->loop_state, LOOP_READY); 2013 2014 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); 2015 } 2016 } 2017 2018 if (rval) { 2019 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", 2020 __func__, ha->host_no)); 2021 } else { 2022 DEBUG3(printk("%s: exiting normally\n", __func__)); 2023 } 2024 2025 /* Restore state if a resync event occurred during processing */ 2026 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 2027 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 2028 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 2029 if (test_bit(RSCN_UPDATE, &save_flags)) { 2030 ha->flags.rscn_queue_overflow = 1; 2031 set_bit(RSCN_UPDATE, &ha->dpc_flags); 2032 } 2033 } 2034 2035 return (rval); 2036 } 2037 2038 2039 2040 /* 2041 * qla2x00_configure_local_loop 2042 * Updates Fibre Channel Device Database with local loop devices. 2043 * 2044 * Input: 2045 * ha = adapter block pointer. 2046 * 2047 * Returns: 2048 * 0 = success. 2049 */ 2050 static int 2051 qla2x00_configure_local_loop(scsi_qla_host_t *ha) 2052 { 2053 int rval, rval2; 2054 int found_devs; 2055 int found; 2056 fc_port_t *fcport, *new_fcport; 2057 2058 uint16_t index; 2059 uint16_t entries; 2060 char *id_iter; 2061 uint16_t loop_id; 2062 uint8_t domain, area, al_pa; 2063 scsi_qla_host_t *pha = to_qla_parent(ha); 2064 2065 found_devs = 0; 2066 new_fcport = NULL; 2067 entries = MAX_FIBRE_DEVICES; 2068 2069 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); 2070 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); 2071 2072 /* Get list of logged in devices. */ 2073 memset(ha->gid_list, 0, GID_LIST_SIZE); 2074 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, 2075 &entries); 2076 if (rval != QLA_SUCCESS) 2077 goto cleanup_allocation; 2078 2079 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", 2080 ha->host_no, entries)); 2081 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, 2082 entries * sizeof(struct gid_list_info))); 2083 2084 /* Allocate temporary fcport for any new fcports discovered. */ 2085 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2086 if (new_fcport == NULL) { 2087 rval = QLA_MEMORY_ALLOC_FAILED; 2088 goto cleanup_allocation; 2089 } 2090 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 2091 2092 /* 2093 * Mark local devices that were present with FCF_DEVICE_LOST for now. 2094 */ 2095 list_for_each_entry(fcport, &pha->fcports, list) { 2096 if (fcport->vp_idx != ha->vp_idx) 2097 continue; 2098 2099 if (atomic_read(&fcport->state) == FCS_ONLINE && 2100 fcport->port_type != FCT_BROADCAST && 2101 (fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2102 2103 DEBUG(printk("scsi(%ld): Marking port lost, " 2104 "loop_id=0x%04x\n", 2105 ha->host_no, fcport->loop_id)); 2106 2107 atomic_set(&fcport->state, FCS_DEVICE_LOST); 2108 fcport->flags &= ~FCF_FARP_DONE; 2109 } 2110 } 2111 2112 /* Add devices to port list. */ 2113 id_iter = (char *)ha->gid_list; 2114 for (index = 0; index < entries; index++) { 2115 domain = ((struct gid_list_info *)id_iter)->domain; 2116 area = ((struct gid_list_info *)id_iter)->area; 2117 al_pa = ((struct gid_list_info *)id_iter)->al_pa; 2118 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 2119 loop_id = (uint16_t) 2120 ((struct gid_list_info *)id_iter)->loop_id_2100; 2121 else 2122 loop_id = le16_to_cpu( 2123 ((struct gid_list_info *)id_iter)->loop_id); 2124 id_iter += ha->gid_list_info_size; 2125 2126 /* Bypass reserved domain fields. */ 2127 if ((domain & 0xf0) == 0xf0) 2128 continue; 2129 2130 /* Bypass if not same domain and area of adapter. */ 2131 if (area && domain && 2132 (area != ha->d_id.b.area || domain != ha->d_id.b.domain)) 2133 continue; 2134 2135 /* Bypass invalid local loop ID. */ 2136 if (loop_id > LAST_LOCAL_LOOP_ID) 2137 continue; 2138 2139 /* Fill in member data. */ 2140 new_fcport->d_id.b.domain = domain; 2141 new_fcport->d_id.b.area = area; 2142 new_fcport->d_id.b.al_pa = al_pa; 2143 new_fcport->loop_id = loop_id; 2144 new_fcport->vp_idx = ha->vp_idx; 2145 rval2 = qla2x00_get_port_database(ha, new_fcport, 0); 2146 if (rval2 != QLA_SUCCESS) { 2147 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " 2148 "information -- get_port_database=%x, " 2149 "loop_id=0x%04x\n", 2150 ha->host_no, rval2, new_fcport->loop_id)); 2151 DEBUG2(printk("scsi(%ld): Scheduling resync...\n", 2152 ha->host_no)); 2153 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 2154 continue; 2155 } 2156 2157 /* Check for matching device in port list. */ 2158 found = 0; 2159 fcport = NULL; 2160 list_for_each_entry(fcport, &pha->fcports, list) { 2161 if (fcport->vp_idx != ha->vp_idx) 2162 continue; 2163 2164 if (memcmp(new_fcport->port_name, fcport->port_name, 2165 WWN_SIZE)) 2166 continue; 2167 2168 fcport->flags &= ~(FCF_FABRIC_DEVICE | 2169 FCF_PERSISTENT_BOUND); 2170 fcport->loop_id = new_fcport->loop_id; 2171 fcport->port_type = new_fcport->port_type; 2172 fcport->d_id.b24 = new_fcport->d_id.b24; 2173 memcpy(fcport->node_name, new_fcport->node_name, 2174 WWN_SIZE); 2175 2176 found++; 2177 break; 2178 } 2179 2180 if (!found) { 2181 /* New device, add to fcports list. */ 2182 new_fcport->flags &= ~FCF_PERSISTENT_BOUND; 2183 if (ha->parent) { 2184 new_fcport->ha = ha; 2185 new_fcport->vp_idx = ha->vp_idx; 2186 list_add_tail(&new_fcport->vp_fcport, 2187 &ha->vp_fcports); 2188 } 2189 list_add_tail(&new_fcport->list, &pha->fcports); 2190 2191 /* Allocate a new replacement fcport. */ 2192 fcport = new_fcport; 2193 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2194 if (new_fcport == NULL) { 2195 rval = QLA_MEMORY_ALLOC_FAILED; 2196 goto cleanup_allocation; 2197 } 2198 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 2199 } 2200 2201 /* Base iIDMA settings on HBA port speed. */ 2202 fcport->fp_speed = ha->link_data_rate; 2203 2204 qla2x00_update_fcport(ha, fcport); 2205 2206 found_devs++; 2207 } 2208 2209 cleanup_allocation: 2210 kfree(new_fcport); 2211 2212 if (rval != QLA_SUCCESS) { 2213 DEBUG2(printk("scsi(%ld): Configure local loop error exit: " 2214 "rval=%x\n", ha->host_no, rval)); 2215 } 2216 2217 if (found_devs) { 2218 ha->device_flags |= DFLG_LOCAL_DEVICES; 2219 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; 2220 } 2221 2222 return (rval); 2223 } 2224 2225 static void 2226 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2227 { 2228 #define LS_UNKNOWN 2 2229 static char *link_speeds[5] = { "1", "2", "?", "4", "8" }; 2230 int rval; 2231 uint16_t mb[6]; 2232 2233 if (!IS_IIDMA_CAPABLE(ha)) 2234 return; 2235 2236 if (fcport->fp_speed == PORT_SPEED_UNKNOWN || 2237 fcport->fp_speed > ha->link_data_rate) 2238 return; 2239 2240 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed, 2241 mb); 2242 if (rval != QLA_SUCCESS) { 2243 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA " 2244 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n", 2245 ha->host_no, fcport->port_name[0], fcport->port_name[1], 2246 fcport->port_name[2], fcport->port_name[3], 2247 fcport->port_name[4], fcport->port_name[5], 2248 fcport->port_name[6], fcport->port_name[7], rval, 2249 fcport->fp_speed, mb[0], mb[1])); 2250 } else { 2251 DEBUG2(qla_printk(KERN_INFO, ha, 2252 "iIDMA adjusted to %s GB/s on " 2253 "%02x%02x%02x%02x%02x%02x%02x%02x.\n", 2254 link_speeds[fcport->fp_speed], fcport->port_name[0], 2255 fcport->port_name[1], fcport->port_name[2], 2256 fcport->port_name[3], fcport->port_name[4], 2257 fcport->port_name[5], fcport->port_name[6], 2258 fcport->port_name[7])); 2259 } 2260 } 2261 2262 static void 2263 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 2264 { 2265 struct fc_rport_identifiers rport_ids; 2266 struct fc_rport *rport; 2267 2268 if (fcport->drport) 2269 qla2x00_rport_del(fcport); 2270 2271 rport_ids.node_name = wwn_to_u64(fcport->node_name); 2272 rport_ids.port_name = wwn_to_u64(fcport->port_name); 2273 rport_ids.port_id = fcport->d_id.b.domain << 16 | 2274 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 2275 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2276 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids); 2277 if (!rport) { 2278 qla_printk(KERN_WARNING, ha, 2279 "Unable to allocate fc remote port!\n"); 2280 return; 2281 } 2282 spin_lock_irq(fcport->ha->host->host_lock); 2283 *((fc_port_t **)rport->dd_data) = fcport; 2284 spin_unlock_irq(fcport->ha->host->host_lock); 2285 2286 rport->supported_classes = fcport->supported_classes; 2287 2288 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2289 if (fcport->port_type == FCT_INITIATOR) 2290 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; 2291 if (fcport->port_type == FCT_TARGET) 2292 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 2293 fc_remote_port_rolechg(rport, rport_ids.roles); 2294 } 2295 2296 /* 2297 * qla2x00_update_fcport 2298 * Updates device on list. 2299 * 2300 * Input: 2301 * ha = adapter block pointer. 2302 * fcport = port structure pointer. 2303 * 2304 * Return: 2305 * 0 - Success 2306 * BIT_0 - error 2307 * 2308 * Context: 2309 * Kernel context. 2310 */ 2311 void 2312 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2313 { 2314 scsi_qla_host_t *pha = to_qla_parent(ha); 2315 2316 fcport->ha = ha; 2317 fcport->login_retry = 0; 2318 fcport->port_login_retry_count = pha->port_down_retry_count * 2319 PORT_RETRY_TIME; 2320 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count * 2321 PORT_RETRY_TIME); 2322 fcport->flags &= ~FCF_LOGIN_NEEDED; 2323 2324 qla2x00_iidma_fcport(ha, fcport); 2325 2326 atomic_set(&fcport->state, FCS_ONLINE); 2327 2328 qla2x00_reg_remote_port(ha, fcport); 2329 } 2330 2331 /* 2332 * qla2x00_configure_fabric 2333 * Setup SNS devices with loop ID's. 2334 * 2335 * Input: 2336 * ha = adapter block pointer. 2337 * 2338 * Returns: 2339 * 0 = success. 2340 * BIT_0 = error 2341 */ 2342 static int 2343 qla2x00_configure_fabric(scsi_qla_host_t *ha) 2344 { 2345 int rval, rval2; 2346 fc_port_t *fcport, *fcptemp; 2347 uint16_t next_loopid; 2348 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2349 uint16_t loop_id; 2350 LIST_HEAD(new_fcports); 2351 scsi_qla_host_t *pha = to_qla_parent(ha); 2352 2353 /* If FL port exists, then SNS is present */ 2354 if (IS_FWI2_CAPABLE(ha)) 2355 loop_id = NPH_F_PORT; 2356 else 2357 loop_id = SNS_FL_PORT; 2358 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1); 2359 if (rval != QLA_SUCCESS) { 2360 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " 2361 "Port\n", ha->host_no)); 2362 2363 ha->device_flags &= ~SWITCH_FOUND; 2364 return (QLA_SUCCESS); 2365 } 2366 ha->device_flags |= SWITCH_FOUND; 2367 2368 /* Mark devices that need re-synchronization. */ 2369 rval2 = qla2x00_device_resync(ha); 2370 if (rval2 == QLA_RSCNS_HANDLED) { 2371 /* No point doing the scan, just continue. */ 2372 return (QLA_SUCCESS); 2373 } 2374 do { 2375 /* FDMI support. */ 2376 if (ql2xfdmienable && 2377 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags)) 2378 qla2x00_fdmi_register(ha); 2379 2380 /* Ensure we are logged into the SNS. */ 2381 if (IS_FWI2_CAPABLE(ha)) 2382 loop_id = NPH_SNS; 2383 else 2384 loop_id = SIMPLE_NAME_SERVER; 2385 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff, 2386 0xfc, mb, BIT_1 | BIT_0); 2387 if (mb[0] != MBS_COMMAND_COMPLETE) { 2388 DEBUG2(qla_printk(KERN_INFO, ha, 2389 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 2390 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, 2391 mb[0], mb[1], mb[2], mb[6], mb[7])); 2392 return (QLA_SUCCESS); 2393 } 2394 2395 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { 2396 if (qla2x00_rft_id(ha)) { 2397 /* EMPTY */ 2398 DEBUG2(printk("scsi(%ld): Register FC-4 " 2399 "TYPE failed.\n", ha->host_no)); 2400 } 2401 if (qla2x00_rff_id(ha)) { 2402 /* EMPTY */ 2403 DEBUG2(printk("scsi(%ld): Register FC-4 " 2404 "Features failed.\n", ha->host_no)); 2405 } 2406 if (qla2x00_rnn_id(ha)) { 2407 /* EMPTY */ 2408 DEBUG2(printk("scsi(%ld): Register Node Name " 2409 "failed.\n", ha->host_no)); 2410 } else if (qla2x00_rsnn_nn(ha)) { 2411 /* EMPTY */ 2412 DEBUG2(printk("scsi(%ld): Register Symbolic " 2413 "Node Name failed.\n", ha->host_no)); 2414 } 2415 } 2416 2417 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); 2418 if (rval != QLA_SUCCESS) 2419 break; 2420 2421 /* 2422 * Logout all previous fabric devices marked lost, except 2423 * tape devices. 2424 */ 2425 list_for_each_entry(fcport, &pha->fcports, list) { 2426 if (fcport->vp_idx !=ha->vp_idx) 2427 continue; 2428 2429 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2430 break; 2431 2432 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 2433 continue; 2434 2435 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 2436 qla2x00_mark_device_lost(ha, fcport, 2437 ql2xplogiabsentdevice, 0); 2438 if (fcport->loop_id != FC_NO_LOOP_ID && 2439 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2440 fcport->port_type != FCT_INITIATOR && 2441 fcport->port_type != FCT_BROADCAST) { 2442 ha->isp_ops->fabric_logout(ha, 2443 fcport->loop_id, 2444 fcport->d_id.b.domain, 2445 fcport->d_id.b.area, 2446 fcport->d_id.b.al_pa); 2447 fcport->loop_id = FC_NO_LOOP_ID; 2448 } 2449 } 2450 } 2451 2452 /* Starting free loop ID. */ 2453 next_loopid = pha->min_external_loopid; 2454 2455 /* 2456 * Scan through our port list and login entries that need to be 2457 * logged in. 2458 */ 2459 list_for_each_entry(fcport, &pha->fcports, list) { 2460 if (fcport->vp_idx != ha->vp_idx) 2461 continue; 2462 2463 if (atomic_read(&ha->loop_down_timer) || 2464 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2465 break; 2466 2467 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2468 (fcport->flags & FCF_LOGIN_NEEDED) == 0) 2469 continue; 2470 2471 if (fcport->loop_id == FC_NO_LOOP_ID) { 2472 fcport->loop_id = next_loopid; 2473 rval = qla2x00_find_new_loop_id( 2474 to_qla_parent(ha), fcport); 2475 if (rval != QLA_SUCCESS) { 2476 /* Ran out of IDs to use */ 2477 break; 2478 } 2479 } 2480 /* Login and update database */ 2481 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2482 } 2483 2484 /* Exit if out of loop IDs. */ 2485 if (rval != QLA_SUCCESS) { 2486 break; 2487 } 2488 2489 /* 2490 * Login and add the new devices to our port list. 2491 */ 2492 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2493 if (atomic_read(&ha->loop_down_timer) || 2494 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2495 break; 2496 2497 /* Find a new loop ID to use. */ 2498 fcport->loop_id = next_loopid; 2499 rval = qla2x00_find_new_loop_id(to_qla_parent(ha), 2500 fcport); 2501 if (rval != QLA_SUCCESS) { 2502 /* Ran out of IDs to use */ 2503 break; 2504 } 2505 2506 /* Login and update database */ 2507 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2508 2509 if (ha->parent) { 2510 fcport->ha = ha; 2511 fcport->vp_idx = ha->vp_idx; 2512 list_add_tail(&fcport->vp_fcport, 2513 &ha->vp_fcports); 2514 list_move_tail(&fcport->list, 2515 &ha->parent->fcports); 2516 } else 2517 list_move_tail(&fcport->list, &ha->fcports); 2518 } 2519 } while (0); 2520 2521 /* Free all new device structures not processed. */ 2522 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2523 list_del(&fcport->list); 2524 kfree(fcport); 2525 } 2526 2527 if (rval) { 2528 DEBUG2(printk("scsi(%ld): Configure fabric error exit: " 2529 "rval=%d\n", ha->host_no, rval)); 2530 } 2531 2532 return (rval); 2533 } 2534 2535 2536 /* 2537 * qla2x00_find_all_fabric_devs 2538 * 2539 * Input: 2540 * ha = adapter block pointer. 2541 * dev = database device entry pointer. 2542 * 2543 * Returns: 2544 * 0 = success. 2545 * 2546 * Context: 2547 * Kernel context. 2548 */ 2549 static int 2550 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) 2551 { 2552 int rval; 2553 uint16_t loop_id; 2554 fc_port_t *fcport, *new_fcport, *fcptemp; 2555 int found; 2556 2557 sw_info_t *swl; 2558 int swl_idx; 2559 int first_dev, last_dev; 2560 port_id_t wrap, nxt_d_id; 2561 int vp_index; 2562 int empty_vp_index; 2563 int found_vp; 2564 scsi_qla_host_t *vha; 2565 scsi_qla_host_t *pha = to_qla_parent(ha); 2566 2567 rval = QLA_SUCCESS; 2568 2569 /* Try GID_PT to get device list, else GAN. */ 2570 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL); 2571 if (!swl) { 2572 /*EMPTY*/ 2573 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2574 "on GA_NXT\n", ha->host_no)); 2575 } else { 2576 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { 2577 kfree(swl); 2578 swl = NULL; 2579 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { 2580 kfree(swl); 2581 swl = NULL; 2582 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { 2583 kfree(swl); 2584 swl = NULL; 2585 } else if (ql2xiidmaenable && 2586 qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) { 2587 qla2x00_gpsc(ha, swl); 2588 } 2589 } 2590 swl_idx = 0; 2591 2592 /* Allocate temporary fcport for any new fcports discovered. */ 2593 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2594 if (new_fcport == NULL) { 2595 kfree(swl); 2596 return (QLA_MEMORY_ALLOC_FAILED); 2597 } 2598 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2599 new_fcport->vp_idx = ha->vp_idx; 2600 /* Set start port ID scan at adapter ID. */ 2601 first_dev = 1; 2602 last_dev = 0; 2603 2604 /* Starting free loop ID. */ 2605 loop_id = pha->min_external_loopid; 2606 for (; loop_id <= ha->last_loop_id; loop_id++) { 2607 if (qla2x00_is_reserved_id(ha, loop_id)) 2608 continue; 2609 2610 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) 2611 break; 2612 2613 if (swl != NULL) { 2614 if (last_dev) { 2615 wrap.b24 = new_fcport->d_id.b24; 2616 } else { 2617 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 2618 memcpy(new_fcport->node_name, 2619 swl[swl_idx].node_name, WWN_SIZE); 2620 memcpy(new_fcport->port_name, 2621 swl[swl_idx].port_name, WWN_SIZE); 2622 memcpy(new_fcport->fabric_port_name, 2623 swl[swl_idx].fabric_port_name, WWN_SIZE); 2624 new_fcport->fp_speed = swl[swl_idx].fp_speed; 2625 2626 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 2627 last_dev = 1; 2628 } 2629 swl_idx++; 2630 } 2631 } else { 2632 /* Send GA_NXT to the switch */ 2633 rval = qla2x00_ga_nxt(ha, new_fcport); 2634 if (rval != QLA_SUCCESS) { 2635 qla_printk(KERN_WARNING, ha, 2636 "SNS scan failed -- assuming zero-entry " 2637 "result...\n"); 2638 list_for_each_entry_safe(fcport, fcptemp, 2639 new_fcports, list) { 2640 list_del(&fcport->list); 2641 kfree(fcport); 2642 } 2643 rval = QLA_SUCCESS; 2644 break; 2645 } 2646 } 2647 2648 /* If wrap on switch device list, exit. */ 2649 if (first_dev) { 2650 wrap.b24 = new_fcport->d_id.b24; 2651 first_dev = 0; 2652 } else if (new_fcport->d_id.b24 == wrap.b24) { 2653 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", 2654 ha->host_no, new_fcport->d_id.b.domain, 2655 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); 2656 break; 2657 } 2658 2659 /* Bypass if same physical adapter. */ 2660 if (new_fcport->d_id.b24 == pha->d_id.b24) 2661 continue; 2662 2663 /* Bypass virtual ports of the same host. */ 2664 if (pha->num_vhosts) { 2665 for_each_mapped_vp_idx(pha, vp_index) { 2666 empty_vp_index = 1; 2667 found_vp = 0; 2668 list_for_each_entry(vha, &pha->vp_list, 2669 vp_list) { 2670 if (vp_index == vha->vp_idx) { 2671 empty_vp_index = 0; 2672 found_vp = 1; 2673 break; 2674 } 2675 } 2676 2677 if (empty_vp_index) 2678 continue; 2679 2680 if (found_vp && 2681 new_fcport->d_id.b24 == vha->d_id.b24) 2682 break; 2683 } 2684 2685 if (vp_index <= pha->max_npiv_vports) 2686 continue; 2687 } 2688 2689 /* Bypass if same domain and area of adapter. */ 2690 if (((new_fcport->d_id.b24 & 0xffff00) == 2691 (ha->d_id.b24 & 0xffff00)) && ha->current_topology == 2692 ISP_CFG_FL) 2693 continue; 2694 2695 /* Bypass reserved domain fields. */ 2696 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 2697 continue; 2698 2699 /* Locate matching device in database. */ 2700 found = 0; 2701 list_for_each_entry(fcport, &pha->fcports, list) { 2702 if (new_fcport->vp_idx != fcport->vp_idx) 2703 continue; 2704 if (memcmp(new_fcport->port_name, fcport->port_name, 2705 WWN_SIZE)) 2706 continue; 2707 2708 found++; 2709 2710 /* Update port state. */ 2711 memcpy(fcport->fabric_port_name, 2712 new_fcport->fabric_port_name, WWN_SIZE); 2713 fcport->fp_speed = new_fcport->fp_speed; 2714 2715 /* 2716 * If address the same and state FCS_ONLINE, nothing 2717 * changed. 2718 */ 2719 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 2720 atomic_read(&fcport->state) == FCS_ONLINE) { 2721 break; 2722 } 2723 2724 /* 2725 * If device was not a fabric device before. 2726 */ 2727 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2728 fcport->d_id.b24 = new_fcport->d_id.b24; 2729 fcport->loop_id = FC_NO_LOOP_ID; 2730 fcport->flags |= (FCF_FABRIC_DEVICE | 2731 FCF_LOGIN_NEEDED); 2732 fcport->flags &= ~FCF_PERSISTENT_BOUND; 2733 break; 2734 } 2735 2736 /* 2737 * Port ID changed or device was marked to be updated; 2738 * Log it out if still logged in and mark it for 2739 * relogin later. 2740 */ 2741 fcport->d_id.b24 = new_fcport->d_id.b24; 2742 fcport->flags |= FCF_LOGIN_NEEDED; 2743 if (fcport->loop_id != FC_NO_LOOP_ID && 2744 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2745 fcport->port_type != FCT_INITIATOR && 2746 fcport->port_type != FCT_BROADCAST) { 2747 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 2748 fcport->d_id.b.domain, fcport->d_id.b.area, 2749 fcport->d_id.b.al_pa); 2750 fcport->loop_id = FC_NO_LOOP_ID; 2751 } 2752 2753 break; 2754 } 2755 2756 if (found) 2757 continue; 2758 2759 /* If device was not in our fcports list, then add it. */ 2760 list_add_tail(&new_fcport->list, new_fcports); 2761 2762 /* Allocate a new replacement fcport. */ 2763 nxt_d_id.b24 = new_fcport->d_id.b24; 2764 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2765 if (new_fcport == NULL) { 2766 kfree(swl); 2767 return (QLA_MEMORY_ALLOC_FAILED); 2768 } 2769 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2770 new_fcport->d_id.b24 = nxt_d_id.b24; 2771 new_fcport->vp_idx = ha->vp_idx; 2772 } 2773 2774 kfree(swl); 2775 kfree(new_fcport); 2776 2777 if (!list_empty(new_fcports)) 2778 ha->device_flags |= DFLG_FABRIC_DEVICES; 2779 2780 return (rval); 2781 } 2782 2783 /* 2784 * qla2x00_find_new_loop_id 2785 * Scan through our port list and find a new usable loop ID. 2786 * 2787 * Input: 2788 * ha: adapter state pointer. 2789 * dev: port structure pointer. 2790 * 2791 * Returns: 2792 * qla2x00 local function return status code. 2793 * 2794 * Context: 2795 * Kernel context. 2796 */ 2797 static int 2798 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) 2799 { 2800 int rval; 2801 int found; 2802 fc_port_t *fcport; 2803 uint16_t first_loop_id; 2804 scsi_qla_host_t *pha = to_qla_parent(ha); 2805 2806 rval = QLA_SUCCESS; 2807 2808 /* Save starting loop ID. */ 2809 first_loop_id = dev->loop_id; 2810 2811 for (;;) { 2812 /* Skip loop ID if already used by adapter. */ 2813 if (dev->loop_id == ha->loop_id) { 2814 dev->loop_id++; 2815 } 2816 2817 /* Skip reserved loop IDs. */ 2818 while (qla2x00_is_reserved_id(ha, dev->loop_id)) { 2819 dev->loop_id++; 2820 } 2821 2822 /* Reset loop ID if passed the end. */ 2823 if (dev->loop_id > ha->last_loop_id) { 2824 /* first loop ID. */ 2825 dev->loop_id = ha->min_external_loopid; 2826 } 2827 2828 /* Check for loop ID being already in use. */ 2829 found = 0; 2830 fcport = NULL; 2831 list_for_each_entry(fcport, &pha->fcports, list) { 2832 if (fcport->loop_id == dev->loop_id && fcport != dev) { 2833 /* ID possibly in use */ 2834 found++; 2835 break; 2836 } 2837 } 2838 2839 /* If not in use then it is free to use. */ 2840 if (!found) { 2841 break; 2842 } 2843 2844 /* ID in use. Try next value. */ 2845 dev->loop_id++; 2846 2847 /* If wrap around. No free ID to use. */ 2848 if (dev->loop_id == first_loop_id) { 2849 dev->loop_id = FC_NO_LOOP_ID; 2850 rval = QLA_FUNCTION_FAILED; 2851 break; 2852 } 2853 } 2854 2855 return (rval); 2856 } 2857 2858 /* 2859 * qla2x00_device_resync 2860 * Marks devices in the database that needs resynchronization. 2861 * 2862 * Input: 2863 * ha = adapter block pointer. 2864 * 2865 * Context: 2866 * Kernel context. 2867 */ 2868 static int 2869 qla2x00_device_resync(scsi_qla_host_t *ha) 2870 { 2871 int rval; 2872 uint32_t mask; 2873 fc_port_t *fcport; 2874 uint32_t rscn_entry; 2875 uint8_t rscn_out_iter; 2876 uint8_t format; 2877 port_id_t d_id; 2878 scsi_qla_host_t *pha = to_qla_parent(ha); 2879 2880 rval = QLA_RSCNS_HANDLED; 2881 2882 while (ha->rscn_out_ptr != ha->rscn_in_ptr || 2883 ha->flags.rscn_queue_overflow) { 2884 2885 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; 2886 format = MSB(MSW(rscn_entry)); 2887 d_id.b.domain = LSB(MSW(rscn_entry)); 2888 d_id.b.area = MSB(LSW(rscn_entry)); 2889 d_id.b.al_pa = LSB(LSW(rscn_entry)); 2890 2891 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " 2892 "[%02x/%02x%02x%02x].\n", 2893 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, 2894 d_id.b.area, d_id.b.al_pa)); 2895 2896 ha->rscn_out_ptr++; 2897 if (ha->rscn_out_ptr == MAX_RSCN_COUNT) 2898 ha->rscn_out_ptr = 0; 2899 2900 /* Skip duplicate entries. */ 2901 for (rscn_out_iter = ha->rscn_out_ptr; 2902 !ha->flags.rscn_queue_overflow && 2903 rscn_out_iter != ha->rscn_in_ptr; 2904 rscn_out_iter = (rscn_out_iter == 2905 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { 2906 2907 if (rscn_entry != ha->rscn_queue[rscn_out_iter]) 2908 break; 2909 2910 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " 2911 "entry found at [%d].\n", ha->host_no, 2912 rscn_out_iter)); 2913 2914 ha->rscn_out_ptr = rscn_out_iter; 2915 } 2916 2917 /* Queue overflow, set switch default case. */ 2918 if (ha->flags.rscn_queue_overflow) { 2919 DEBUG(printk("scsi(%ld): device_resync: rscn " 2920 "overflow.\n", ha->host_no)); 2921 2922 format = 3; 2923 ha->flags.rscn_queue_overflow = 0; 2924 } 2925 2926 switch (format) { 2927 case 0: 2928 mask = 0xffffff; 2929 break; 2930 case 1: 2931 mask = 0xffff00; 2932 break; 2933 case 2: 2934 mask = 0xff0000; 2935 break; 2936 default: 2937 mask = 0x0; 2938 d_id.b24 = 0; 2939 ha->rscn_out_ptr = ha->rscn_in_ptr; 2940 break; 2941 } 2942 2943 rval = QLA_SUCCESS; 2944 2945 list_for_each_entry(fcport, &pha->fcports, list) { 2946 if (fcport->vp_idx != ha->vp_idx) 2947 continue; 2948 2949 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2950 (fcport->d_id.b24 & mask) != d_id.b24 || 2951 fcport->port_type == FCT_BROADCAST) 2952 continue; 2953 2954 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2955 if (format != 3 || 2956 fcport->port_type != FCT_INITIATOR) { 2957 qla2x00_mark_device_lost(ha, fcport, 2958 0, 0); 2959 } 2960 } 2961 fcport->flags &= ~FCF_FARP_DONE; 2962 } 2963 } 2964 return (rval); 2965 } 2966 2967 /* 2968 * qla2x00_fabric_dev_login 2969 * Login fabric target device and update FC port database. 2970 * 2971 * Input: 2972 * ha: adapter state pointer. 2973 * fcport: port structure list pointer. 2974 * next_loopid: contains value of a new loop ID that can be used 2975 * by the next login attempt. 2976 * 2977 * Returns: 2978 * qla2x00 local function return status code. 2979 * 2980 * Context: 2981 * Kernel context. 2982 */ 2983 static int 2984 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2985 uint16_t *next_loopid) 2986 { 2987 int rval; 2988 int retry; 2989 uint8_t opts; 2990 2991 rval = QLA_SUCCESS; 2992 retry = 0; 2993 2994 rval = qla2x00_fabric_login(ha, fcport, next_loopid); 2995 if (rval == QLA_SUCCESS) { 2996 /* Send an ADISC to tape devices.*/ 2997 opts = 0; 2998 if (fcport->flags & FCF_TAPE_PRESENT) 2999 opts |= BIT_1; 3000 rval = qla2x00_get_port_database(ha, fcport, opts); 3001 if (rval != QLA_SUCCESS) { 3002 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3003 fcport->d_id.b.domain, fcport->d_id.b.area, 3004 fcport->d_id.b.al_pa); 3005 qla2x00_mark_device_lost(ha, fcport, 1, 0); 3006 } else { 3007 qla2x00_update_fcport(ha, fcport); 3008 } 3009 } 3010 3011 return (rval); 3012 } 3013 3014 /* 3015 * qla2x00_fabric_login 3016 * Issue fabric login command. 3017 * 3018 * Input: 3019 * ha = adapter block pointer. 3020 * device = pointer to FC device type structure. 3021 * 3022 * Returns: 3023 * 0 - Login successfully 3024 * 1 - Login failed 3025 * 2 - Initiator device 3026 * 3 - Fatal error 3027 */ 3028 int 3029 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, 3030 uint16_t *next_loopid) 3031 { 3032 int rval; 3033 int retry; 3034 uint16_t tmp_loopid; 3035 uint16_t mb[MAILBOX_REGISTER_COUNT]; 3036 3037 retry = 0; 3038 tmp_loopid = 0; 3039 3040 for (;;) { 3041 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " 3042 "for port %02x%02x%02x.\n", 3043 ha->host_no, fcport->loop_id, fcport->d_id.b.domain, 3044 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 3045 3046 /* Login fcport on switch. */ 3047 ha->isp_ops->fabric_login(ha, fcport->loop_id, 3048 fcport->d_id.b.domain, fcport->d_id.b.area, 3049 fcport->d_id.b.al_pa, mb, BIT_0); 3050 if (mb[0] == MBS_PORT_ID_USED) { 3051 /* 3052 * Device has another loop ID. The firmware team 3053 * recommends the driver perform an implicit login with 3054 * the specified ID again. The ID we just used is save 3055 * here so we return with an ID that can be tried by 3056 * the next login. 3057 */ 3058 retry++; 3059 tmp_loopid = fcport->loop_id; 3060 fcport->loop_id = mb[1]; 3061 3062 DEBUG(printk("Fabric Login: port in use - next " 3063 "loop id=0x%04x, port Id=%02x%02x%02x.\n", 3064 fcport->loop_id, fcport->d_id.b.domain, 3065 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 3066 3067 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 3068 /* 3069 * Login succeeded. 3070 */ 3071 if (retry) { 3072 /* A retry occurred before. */ 3073 *next_loopid = tmp_loopid; 3074 } else { 3075 /* 3076 * No retry occurred before. Just increment the 3077 * ID value for next login. 3078 */ 3079 *next_loopid = (fcport->loop_id + 1); 3080 } 3081 3082 if (mb[1] & BIT_0) { 3083 fcport->port_type = FCT_INITIATOR; 3084 } else { 3085 fcport->port_type = FCT_TARGET; 3086 if (mb[1] & BIT_1) { 3087 fcport->flags |= FCF_TAPE_PRESENT; 3088 } 3089 } 3090 3091 if (mb[10] & BIT_0) 3092 fcport->supported_classes |= FC_COS_CLASS2; 3093 if (mb[10] & BIT_1) 3094 fcport->supported_classes |= FC_COS_CLASS3; 3095 3096 rval = QLA_SUCCESS; 3097 break; 3098 } else if (mb[0] == MBS_LOOP_ID_USED) { 3099 /* 3100 * Loop ID already used, try next loop ID. 3101 */ 3102 fcport->loop_id++; 3103 rval = qla2x00_find_new_loop_id(ha, fcport); 3104 if (rval != QLA_SUCCESS) { 3105 /* Ran out of loop IDs to use */ 3106 break; 3107 } 3108 } else if (mb[0] == MBS_COMMAND_ERROR) { 3109 /* 3110 * Firmware possibly timed out during login. If NO 3111 * retries are left to do then the device is declared 3112 * dead. 3113 */ 3114 *next_loopid = fcport->loop_id; 3115 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3116 fcport->d_id.b.domain, fcport->d_id.b.area, 3117 fcport->d_id.b.al_pa); 3118 qla2x00_mark_device_lost(ha, fcport, 1, 0); 3119 3120 rval = 1; 3121 break; 3122 } else { 3123 /* 3124 * unrecoverable / not handled error 3125 */ 3126 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " 3127 "loop_id=%x jiffies=%lx.\n", 3128 __func__, ha->host_no, mb[0], 3129 fcport->d_id.b.domain, fcport->d_id.b.area, 3130 fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); 3131 3132 *next_loopid = fcport->loop_id; 3133 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3134 fcport->d_id.b.domain, fcport->d_id.b.area, 3135 fcport->d_id.b.al_pa); 3136 fcport->loop_id = FC_NO_LOOP_ID; 3137 fcport->login_retry = 0; 3138 3139 rval = 3; 3140 break; 3141 } 3142 } 3143 3144 return (rval); 3145 } 3146 3147 /* 3148 * qla2x00_local_device_login 3149 * Issue local device login command. 3150 * 3151 * Input: 3152 * ha = adapter block pointer. 3153 * loop_id = loop id of device to login to. 3154 * 3155 * Returns (Where's the #define!!!!): 3156 * 0 - Login successfully 3157 * 1 - Login failed 3158 * 3 - Fatal error 3159 */ 3160 int 3161 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport) 3162 { 3163 int rval; 3164 uint16_t mb[MAILBOX_REGISTER_COUNT]; 3165 3166 memset(mb, 0, sizeof(mb)); 3167 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0); 3168 if (rval == QLA_SUCCESS) { 3169 /* Interrogate mailbox registers for any errors */ 3170 if (mb[0] == MBS_COMMAND_ERROR) 3171 rval = 1; 3172 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 3173 /* device not in PCB table */ 3174 rval = 3; 3175 } 3176 3177 return (rval); 3178 } 3179 3180 /* 3181 * qla2x00_loop_resync 3182 * Resync with fibre channel devices. 3183 * 3184 * Input: 3185 * ha = adapter block pointer. 3186 * 3187 * Returns: 3188 * 0 = success 3189 */ 3190 int 3191 qla2x00_loop_resync(scsi_qla_host_t *ha) 3192 { 3193 int rval; 3194 uint32_t wait_time; 3195 3196 rval = QLA_SUCCESS; 3197 3198 atomic_set(&ha->loop_state, LOOP_UPDATE); 3199 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3200 if (ha->flags.online) { 3201 if (!(rval = qla2x00_fw_ready(ha))) { 3202 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3203 wait_time = 256; 3204 do { 3205 atomic_set(&ha->loop_state, LOOP_UPDATE); 3206 3207 /* Issue a marker after FW becomes ready. */ 3208 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3209 ha->marker_needed = 0; 3210 3211 /* Remap devices on Loop. */ 3212 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3213 3214 qla2x00_configure_loop(ha); 3215 wait_time--; 3216 } while (!atomic_read(&ha->loop_down_timer) && 3217 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3218 wait_time && 3219 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3220 } 3221 } 3222 3223 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { 3224 return (QLA_FUNCTION_FAILED); 3225 } 3226 3227 if (rval) { 3228 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 3229 } 3230 3231 return (rval); 3232 } 3233 3234 void 3235 qla2x00_update_fcports(scsi_qla_host_t *ha) 3236 { 3237 fc_port_t *fcport; 3238 3239 /* Go with deferred removal of rport references. */ 3240 list_for_each_entry(fcport, &ha->fcports, list) 3241 if (fcport->drport && 3242 atomic_read(&fcport->state) != FCS_UNCONFIGURED) 3243 qla2x00_rport_del(fcport); 3244 } 3245 3246 /* 3247 * qla2x00_abort_isp 3248 * Resets ISP and aborts all outstanding commands. 3249 * 3250 * Input: 3251 * ha = adapter block pointer. 3252 * 3253 * Returns: 3254 * 0 = success 3255 */ 3256 int 3257 qla2x00_abort_isp(scsi_qla_host_t *ha) 3258 { 3259 int rval; 3260 uint8_t status = 0; 3261 scsi_qla_host_t *vha; 3262 3263 if (ha->flags.online) { 3264 ha->flags.online = 0; 3265 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 3266 ha->qla_stats.total_isp_aborts++; 3267 3268 qla_printk(KERN_INFO, ha, 3269 "Performing ISP error recovery - ha= %p.\n", ha); 3270 ha->isp_ops->reset_chip(ha); 3271 3272 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 3273 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 3274 atomic_set(&ha->loop_state, LOOP_DOWN); 3275 qla2x00_mark_all_devices_lost(ha, 0); 3276 list_for_each_entry(vha, &ha->vp_list, vp_list) 3277 qla2x00_mark_all_devices_lost(vha, 0); 3278 } else { 3279 if (!atomic_read(&ha->loop_down_timer)) 3280 atomic_set(&ha->loop_down_timer, 3281 LOOP_DOWN_TIME); 3282 } 3283 3284 /* Requeue all commands in outstanding command list. */ 3285 qla2x00_abort_all_cmds(ha, DID_RESET << 16); 3286 3287 ha->isp_ops->get_flash_version(ha, ha->request_ring); 3288 3289 ha->isp_ops->nvram_config(ha); 3290 3291 if (!qla2x00_restart_isp(ha)) { 3292 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3293 3294 if (!atomic_read(&ha->loop_down_timer)) { 3295 /* 3296 * Issue marker command only when we are going 3297 * to start the I/O . 3298 */ 3299 ha->marker_needed = 1; 3300 } 3301 3302 ha->flags.online = 1; 3303 3304 ha->isp_ops->enable_intrs(ha); 3305 3306 ha->isp_abort_cnt = 0; 3307 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3308 3309 if (ha->fce) { 3310 ha->flags.fce_enabled = 1; 3311 memset(ha->fce, 0, 3312 fce_calc_size(ha->fce_bufs)); 3313 rval = qla2x00_enable_fce_trace(ha, 3314 ha->fce_dma, ha->fce_bufs, ha->fce_mb, 3315 &ha->fce_bufs); 3316 if (rval) { 3317 qla_printk(KERN_WARNING, ha, 3318 "Unable to reinitialize FCE " 3319 "(%d).\n", rval); 3320 ha->flags.fce_enabled = 0; 3321 } 3322 } 3323 3324 if (ha->eft) { 3325 memset(ha->eft, 0, EFT_SIZE); 3326 rval = qla2x00_enable_eft_trace(ha, 3327 ha->eft_dma, EFT_NUM_BUFFERS); 3328 if (rval) { 3329 qla_printk(KERN_WARNING, ha, 3330 "Unable to reinitialize EFT " 3331 "(%d).\n", rval); 3332 } 3333 } 3334 } else { /* failed the ISP abort */ 3335 ha->flags.online = 1; 3336 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { 3337 if (ha->isp_abort_cnt == 0) { 3338 qla_printk(KERN_WARNING, ha, 3339 "ISP error recovery failed - " 3340 "board disabled\n"); 3341 /* 3342 * The next call disables the board 3343 * completely. 3344 */ 3345 ha->isp_ops->reset_adapter(ha); 3346 ha->flags.online = 0; 3347 clear_bit(ISP_ABORT_RETRY, 3348 &ha->dpc_flags); 3349 status = 0; 3350 } else { /* schedule another ISP abort */ 3351 ha->isp_abort_cnt--; 3352 DEBUG(printk("qla%ld: ISP abort - " 3353 "retry remaining %d\n", 3354 ha->host_no, ha->isp_abort_cnt)); 3355 status = 1; 3356 } 3357 } else { 3358 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3359 DEBUG(printk("qla2x00(%ld): ISP error recovery " 3360 "- retrying (%d) more times\n", 3361 ha->host_no, ha->isp_abort_cnt)); 3362 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3363 status = 1; 3364 } 3365 } 3366 3367 } 3368 3369 if (status) { 3370 qla_printk(KERN_INFO, ha, 3371 "qla2x00_abort_isp: **** FAILED ****\n"); 3372 } else { 3373 DEBUG(printk(KERN_INFO 3374 "qla2x00_abort_isp(%ld): exiting.\n", 3375 ha->host_no)); 3376 } 3377 3378 return(status); 3379 } 3380 3381 /* 3382 * qla2x00_restart_isp 3383 * restarts the ISP after a reset 3384 * 3385 * Input: 3386 * ha = adapter block pointer. 3387 * 3388 * Returns: 3389 * 0 = success 3390 */ 3391 static int 3392 qla2x00_restart_isp(scsi_qla_host_t *ha) 3393 { 3394 uint8_t status = 0; 3395 uint32_t wait_time; 3396 3397 /* If firmware needs to be loaded */ 3398 if (qla2x00_isp_firmware(ha)) { 3399 ha->flags.online = 0; 3400 if (!(status = ha->isp_ops->chip_diag(ha))) 3401 status = qla2x00_setup_chip(ha); 3402 } 3403 3404 if (!status && !(status = qla2x00_init_rings(ha))) { 3405 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3406 if (!(status = qla2x00_fw_ready(ha))) { 3407 DEBUG(printk("%s(): Start configure loop, " 3408 "status = %d\n", __func__, status)); 3409 3410 /* Issue a marker after FW becomes ready. */ 3411 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3412 3413 ha->flags.online = 1; 3414 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3415 wait_time = 256; 3416 do { 3417 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3418 qla2x00_configure_loop(ha); 3419 wait_time--; 3420 } while (!atomic_read(&ha->loop_down_timer) && 3421 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3422 wait_time && 3423 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3424 } 3425 3426 /* if no cable then assume it's good */ 3427 if ((ha->device_flags & DFLG_NO_CABLE)) 3428 status = 0; 3429 3430 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", 3431 __func__, 3432 status)); 3433 } 3434 return (status); 3435 } 3436 3437 /* 3438 * qla2x00_reset_adapter 3439 * Reset adapter. 3440 * 3441 * Input: 3442 * ha = adapter block pointer. 3443 */ 3444 void 3445 qla2x00_reset_adapter(scsi_qla_host_t *ha) 3446 { 3447 unsigned long flags = 0; 3448 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3449 3450 ha->flags.online = 0; 3451 ha->isp_ops->disable_intrs(ha); 3452 3453 spin_lock_irqsave(&ha->hardware_lock, flags); 3454 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 3455 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3456 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 3457 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3458 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3459 } 3460 3461 void 3462 qla24xx_reset_adapter(scsi_qla_host_t *ha) 3463 { 3464 unsigned long flags = 0; 3465 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3466 3467 ha->flags.online = 0; 3468 ha->isp_ops->disable_intrs(ha); 3469 3470 spin_lock_irqsave(&ha->hardware_lock, flags); 3471 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 3472 RD_REG_DWORD(®->hccr); 3473 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 3474 RD_REG_DWORD(®->hccr); 3475 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3476 } 3477 3478 /* On sparc systems, obtain port and node WWN from firmware 3479 * properties. 3480 */ 3481 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv) 3482 { 3483 #ifdef CONFIG_SPARC 3484 struct pci_dev *pdev = ha->pdev; 3485 struct device_node *dp = pci_device_to_OF_node(pdev); 3486 const u8 *val; 3487 int len; 3488 3489 val = of_get_property(dp, "port-wwn", &len); 3490 if (val && len >= WWN_SIZE) 3491 memcpy(nv->port_name, val, WWN_SIZE); 3492 3493 val = of_get_property(dp, "node-wwn", &len); 3494 if (val && len >= WWN_SIZE) 3495 memcpy(nv->node_name, val, WWN_SIZE); 3496 #endif 3497 } 3498 3499 int 3500 qla24xx_nvram_config(scsi_qla_host_t *ha) 3501 { 3502 int rval; 3503 struct init_cb_24xx *icb; 3504 struct nvram_24xx *nv; 3505 uint32_t *dptr; 3506 uint8_t *dptr1, *dptr2; 3507 uint32_t chksum; 3508 uint16_t cnt; 3509 3510 rval = QLA_SUCCESS; 3511 icb = (struct init_cb_24xx *)ha->init_cb; 3512 nv = ha->nvram; 3513 3514 /* Determine NVRAM starting address. */ 3515 ha->nvram_size = sizeof(struct nvram_24xx); 3516 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 3517 ha->vpd_size = FA_NVRAM_VPD_SIZE; 3518 ha->vpd_base = FA_NVRAM_VPD0_ADDR; 3519 if (PCI_FUNC(ha->pdev->devfn)) { 3520 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 3521 ha->vpd_base = FA_NVRAM_VPD1_ADDR; 3522 } 3523 3524 /* Get VPD data into cache */ 3525 ha->vpd = ha->nvram + VPD_OFFSET; 3526 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd, 3527 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4); 3528 3529 /* Get NVRAM data into cache and calculate checksum. */ 3530 dptr = (uint32_t *)nv; 3531 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, 3532 ha->nvram_size); 3533 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) 3534 chksum += le32_to_cpu(*dptr++); 3535 3536 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 3537 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); 3538 3539 /* Bad NVRAM data, set defaults parameters. */ 3540 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' 3541 || nv->id[3] != ' ' || 3542 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { 3543 /* Reset NVRAM data. */ 3544 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 3545 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 3546 le16_to_cpu(nv->nvram_version)); 3547 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 3548 "invalid -- WWPN) defaults.\n"); 3549 3550 /* 3551 * Set default initialization control block. 3552 */ 3553 memset(nv, 0, ha->nvram_size); 3554 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); 3555 nv->version = __constant_cpu_to_le16(ICB_VERSION); 3556 nv->frame_payload_size = __constant_cpu_to_le16(2048); 3557 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3558 nv->exchange_count = __constant_cpu_to_le16(0); 3559 nv->hard_address = __constant_cpu_to_le16(124); 3560 nv->port_name[0] = 0x21; 3561 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); 3562 nv->port_name[2] = 0x00; 3563 nv->port_name[3] = 0xe0; 3564 nv->port_name[4] = 0x8b; 3565 nv->port_name[5] = 0x1c; 3566 nv->port_name[6] = 0x55; 3567 nv->port_name[7] = 0x86; 3568 nv->node_name[0] = 0x20; 3569 nv->node_name[1] = 0x00; 3570 nv->node_name[2] = 0x00; 3571 nv->node_name[3] = 0xe0; 3572 nv->node_name[4] = 0x8b; 3573 nv->node_name[5] = 0x1c; 3574 nv->node_name[6] = 0x55; 3575 nv->node_name[7] = 0x86; 3576 qla24xx_nvram_wwn_from_ofw(ha, nv); 3577 nv->login_retry_count = __constant_cpu_to_le16(8); 3578 nv->interrupt_delay_timer = __constant_cpu_to_le16(0); 3579 nv->login_timeout = __constant_cpu_to_le16(0); 3580 nv->firmware_options_1 = 3581 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 3582 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); 3583 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); 3584 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); 3585 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); 3586 nv->efi_parameters = __constant_cpu_to_le32(0); 3587 nv->reset_delay = 5; 3588 nv->max_luns_per_target = __constant_cpu_to_le16(128); 3589 nv->port_down_retry_count = __constant_cpu_to_le16(30); 3590 nv->link_down_timeout = __constant_cpu_to_le16(30); 3591 3592 rval = 1; 3593 } 3594 3595 /* Reset Initialization control block */ 3596 memset(icb, 0, sizeof(struct init_cb_24xx)); 3597 3598 /* Copy 1st segment. */ 3599 dptr1 = (uint8_t *)icb; 3600 dptr2 = (uint8_t *)&nv->version; 3601 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 3602 while (cnt--) 3603 *dptr1++ = *dptr2++; 3604 3605 icb->login_retry_count = nv->login_retry_count; 3606 icb->link_down_on_nos = nv->link_down_on_nos; 3607 3608 /* Copy 2nd segment. */ 3609 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 3610 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 3611 cnt = (uint8_t *)&icb->reserved_3 - 3612 (uint8_t *)&icb->interrupt_delay_timer; 3613 while (cnt--) 3614 *dptr1++ = *dptr2++; 3615 3616 /* 3617 * Setup driver NVRAM options. 3618 */ 3619 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name), 3620 "QLA2462"); 3621 3622 /* Use alternate WWN? */ 3623 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) { 3624 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 3625 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 3626 } 3627 3628 /* Prepare nodename */ 3629 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) { 3630 /* 3631 * Firmware will apply the following mask if the nodename was 3632 * not provided. 3633 */ 3634 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 3635 icb->node_name[0] &= 0xF0; 3636 } 3637 3638 /* Set host adapter parameters. */ 3639 ha->flags.disable_risc_code_load = 0; 3640 ha->flags.enable_lip_reset = 0; 3641 ha->flags.enable_lip_full_login = 3642 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0; 3643 ha->flags.enable_target_reset = 3644 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0; 3645 ha->flags.enable_led_scheme = 0; 3646 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0; 3647 3648 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & 3649 (BIT_6 | BIT_5 | BIT_4)) >> 4; 3650 3651 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 3652 sizeof(ha->fw_seriallink_options24)); 3653 3654 /* save HBA serial number */ 3655 ha->serial0 = icb->port_name[5]; 3656 ha->serial1 = icb->port_name[6]; 3657 ha->serial2 = icb->port_name[7]; 3658 ha->node_name = icb->node_name; 3659 ha->port_name = icb->port_name; 3660 3661 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3662 3663 ha->retry_count = le16_to_cpu(nv->login_retry_count); 3664 3665 /* Set minimum login_timeout to 4 seconds. */ 3666 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 3667 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 3668 if (le16_to_cpu(nv->login_timeout) < 4) 3669 nv->login_timeout = __constant_cpu_to_le16(4); 3670 ha->login_timeout = le16_to_cpu(nv->login_timeout); 3671 icb->login_timeout = nv->login_timeout; 3672 3673 /* Set minimum RATOV to 100 tenths of a second. */ 3674 ha->r_a_tov = 100; 3675 3676 ha->loop_reset_delay = nv->reset_delay; 3677 3678 /* Link Down Timeout = 0: 3679 * 3680 * When Port Down timer expires we will start returning 3681 * I/O's to OS with "DID_NO_CONNECT". 3682 * 3683 * Link Down Timeout != 0: 3684 * 3685 * The driver waits for the link to come up after link down 3686 * before returning I/Os to OS with "DID_NO_CONNECT". 3687 */ 3688 if (le16_to_cpu(nv->link_down_timeout) == 0) { 3689 ha->loop_down_abort_time = 3690 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 3691 } else { 3692 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 3693 ha->loop_down_abort_time = 3694 (LOOP_DOWN_TIME - ha->link_down_timeout); 3695 } 3696 3697 /* Need enough time to try and get the port back. */ 3698 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 3699 if (qlport_down_retry) 3700 ha->port_down_retry_count = qlport_down_retry; 3701 3702 /* Set login_retry_count */ 3703 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 3704 if (ha->port_down_retry_count == 3705 le16_to_cpu(nv->port_down_retry_count) && 3706 ha->port_down_retry_count > 3) 3707 ha->login_retry_count = ha->port_down_retry_count; 3708 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 3709 ha->login_retry_count = ha->port_down_retry_count; 3710 if (ql2xloginretrycount) 3711 ha->login_retry_count = ql2xloginretrycount; 3712 3713 /* Enable ZIO. */ 3714 if (!ha->flags.init_done) { 3715 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 3716 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 3717 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 3718 le16_to_cpu(icb->interrupt_delay_timer): 2; 3719 } 3720 icb->firmware_options_2 &= __constant_cpu_to_le32( 3721 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 3722 ha->flags.process_response_queue = 0; 3723 if (ha->zio_mode != QLA_ZIO_DISABLED) { 3724 ha->zio_mode = QLA_ZIO_MODE_6; 3725 3726 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay " 3727 "(%d us).\n", ha->host_no, ha->zio_mode, 3728 ha->zio_timer * 100)); 3729 qla_printk(KERN_INFO, ha, 3730 "ZIO mode %d enabled; timer delay (%d us).\n", 3731 ha->zio_mode, ha->zio_timer * 100); 3732 3733 icb->firmware_options_2 |= cpu_to_le32( 3734 (uint32_t)ha->zio_mode); 3735 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 3736 ha->flags.process_response_queue = 1; 3737 } 3738 3739 if (rval) { 3740 DEBUG2_3(printk(KERN_WARNING 3741 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 3742 } 3743 return (rval); 3744 } 3745 3746 static int 3747 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3748 { 3749 int rval; 3750 int segments, fragment; 3751 uint32_t faddr; 3752 uint32_t *dcode, dlen; 3753 uint32_t risc_addr; 3754 uint32_t risc_size; 3755 uint32_t i; 3756 3757 rval = QLA_SUCCESS; 3758 3759 segments = FA_RISC_CODE_SEGMENTS; 3760 faddr = ha->flt_region_fw; 3761 dcode = (uint32_t *)ha->request_ring; 3762 *srisc_addr = 0; 3763 3764 /* Validate firmware image by checking version. */ 3765 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); 3766 for (i = 0; i < 4; i++) 3767 dcode[i] = be32_to_cpu(dcode[i]); 3768 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3769 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3770 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3771 dcode[3] == 0)) { 3772 qla_printk(KERN_WARNING, ha, 3773 "Unable to verify integrity of flash firmware image!\n"); 3774 qla_printk(KERN_WARNING, ha, 3775 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3776 dcode[1], dcode[2], dcode[3]); 3777 3778 return QLA_FUNCTION_FAILED; 3779 } 3780 3781 while (segments && rval == QLA_SUCCESS) { 3782 /* Read segment's load information. */ 3783 qla24xx_read_flash_data(ha, dcode, faddr, 4); 3784 3785 risc_addr = be32_to_cpu(dcode[2]); 3786 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3787 risc_size = be32_to_cpu(dcode[3]); 3788 3789 fragment = 0; 3790 while (risc_size > 0 && rval == QLA_SUCCESS) { 3791 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3792 if (dlen > risc_size) 3793 dlen = risc_size; 3794 3795 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3796 "addr %x, number of dwords 0x%x, offset 0x%x.\n", 3797 ha->host_no, risc_addr, dlen, faddr)); 3798 3799 qla24xx_read_flash_data(ha, dcode, faddr, dlen); 3800 for (i = 0; i < dlen; i++) 3801 dcode[i] = swab32(dcode[i]); 3802 3803 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3804 dlen); 3805 if (rval) { 3806 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3807 "segment %d of firmware\n", ha->host_no, 3808 fragment)); 3809 qla_printk(KERN_WARNING, ha, 3810 "[ERROR] Failed to load segment %d of " 3811 "firmware\n", fragment); 3812 break; 3813 } 3814 3815 faddr += dlen; 3816 risc_addr += dlen; 3817 risc_size -= dlen; 3818 fragment++; 3819 } 3820 3821 /* Next segment. */ 3822 segments--; 3823 } 3824 3825 return rval; 3826 } 3827 3828 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/" 3829 3830 int 3831 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3832 { 3833 int rval; 3834 int i, fragment; 3835 uint16_t *wcode, *fwcode; 3836 uint32_t risc_addr, risc_size, fwclen, wlen, *seg; 3837 struct fw_blob *blob; 3838 3839 /* Load firmware blob. */ 3840 blob = qla2x00_request_firmware(ha); 3841 if (!blob) { 3842 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3843 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3844 "from: " QLA_FW_URL ".\n"); 3845 return QLA_FUNCTION_FAILED; 3846 } 3847 3848 rval = QLA_SUCCESS; 3849 3850 wcode = (uint16_t *)ha->request_ring; 3851 *srisc_addr = 0; 3852 fwcode = (uint16_t *)blob->fw->data; 3853 fwclen = 0; 3854 3855 /* Validate firmware image by checking version. */ 3856 if (blob->fw->size < 8 * sizeof(uint16_t)) { 3857 qla_printk(KERN_WARNING, ha, 3858 "Unable to verify integrity of firmware image (%Zd)!\n", 3859 blob->fw->size); 3860 goto fail_fw_integrity; 3861 } 3862 for (i = 0; i < 4; i++) 3863 wcode[i] = be16_to_cpu(fwcode[i + 4]); 3864 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && 3865 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && 3866 wcode[2] == 0 && wcode[3] == 0)) { 3867 qla_printk(KERN_WARNING, ha, 3868 "Unable to verify integrity of firmware image!\n"); 3869 qla_printk(KERN_WARNING, ha, 3870 "Firmware data: %04x %04x %04x %04x!\n", wcode[0], 3871 wcode[1], wcode[2], wcode[3]); 3872 goto fail_fw_integrity; 3873 } 3874 3875 seg = blob->segs; 3876 while (*seg && rval == QLA_SUCCESS) { 3877 risc_addr = *seg; 3878 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; 3879 risc_size = be16_to_cpu(fwcode[3]); 3880 3881 /* Validate firmware image size. */ 3882 fwclen += risc_size * sizeof(uint16_t); 3883 if (blob->fw->size < fwclen) { 3884 qla_printk(KERN_WARNING, ha, 3885 "Unable to verify integrity of firmware image " 3886 "(%Zd)!\n", blob->fw->size); 3887 goto fail_fw_integrity; 3888 } 3889 3890 fragment = 0; 3891 while (risc_size > 0 && rval == QLA_SUCCESS) { 3892 wlen = (uint16_t)(ha->fw_transfer_size >> 1); 3893 if (wlen > risc_size) 3894 wlen = risc_size; 3895 3896 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3897 "addr %x, number of words 0x%x.\n", ha->host_no, 3898 risc_addr, wlen)); 3899 3900 for (i = 0; i < wlen; i++) 3901 wcode[i] = swab16(fwcode[i]); 3902 3903 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3904 wlen); 3905 if (rval) { 3906 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3907 "segment %d of firmware\n", ha->host_no, 3908 fragment)); 3909 qla_printk(KERN_WARNING, ha, 3910 "[ERROR] Failed to load segment %d of " 3911 "firmware\n", fragment); 3912 break; 3913 } 3914 3915 fwcode += wlen; 3916 risc_addr += wlen; 3917 risc_size -= wlen; 3918 fragment++; 3919 } 3920 3921 /* Next segment. */ 3922 seg++; 3923 } 3924 return rval; 3925 3926 fail_fw_integrity: 3927 return QLA_FUNCTION_FAILED; 3928 } 3929 3930 int 3931 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3932 { 3933 int rval; 3934 int segments, fragment; 3935 uint32_t *dcode, dlen; 3936 uint32_t risc_addr; 3937 uint32_t risc_size; 3938 uint32_t i; 3939 struct fw_blob *blob; 3940 uint32_t *fwcode, fwclen; 3941 3942 /* Load firmware blob. */ 3943 blob = qla2x00_request_firmware(ha); 3944 if (!blob) { 3945 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3946 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3947 "from: " QLA_FW_URL ".\n"); 3948 3949 /* Try to load RISC code from flash. */ 3950 qla_printk(KERN_ERR, ha, "Attempting to load (potentially " 3951 "outdated) firmware from flash.\n"); 3952 return qla24xx_load_risc_flash(ha, srisc_addr); 3953 } 3954 3955 rval = QLA_SUCCESS; 3956 3957 segments = FA_RISC_CODE_SEGMENTS; 3958 dcode = (uint32_t *)ha->request_ring; 3959 *srisc_addr = 0; 3960 fwcode = (uint32_t *)blob->fw->data; 3961 fwclen = 0; 3962 3963 /* Validate firmware image by checking version. */ 3964 if (blob->fw->size < 8 * sizeof(uint32_t)) { 3965 qla_printk(KERN_WARNING, ha, 3966 "Unable to verify integrity of firmware image (%Zd)!\n", 3967 blob->fw->size); 3968 goto fail_fw_integrity; 3969 } 3970 for (i = 0; i < 4; i++) 3971 dcode[i] = be32_to_cpu(fwcode[i + 4]); 3972 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3973 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3974 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3975 dcode[3] == 0)) { 3976 qla_printk(KERN_WARNING, ha, 3977 "Unable to verify integrity of firmware image!\n"); 3978 qla_printk(KERN_WARNING, ha, 3979 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3980 dcode[1], dcode[2], dcode[3]); 3981 goto fail_fw_integrity; 3982 } 3983 3984 while (segments && rval == QLA_SUCCESS) { 3985 risc_addr = be32_to_cpu(fwcode[2]); 3986 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3987 risc_size = be32_to_cpu(fwcode[3]); 3988 3989 /* Validate firmware image size. */ 3990 fwclen += risc_size * sizeof(uint32_t); 3991 if (blob->fw->size < fwclen) { 3992 qla_printk(KERN_WARNING, ha, 3993 "Unable to verify integrity of firmware image " 3994 "(%Zd)!\n", blob->fw->size); 3995 3996 goto fail_fw_integrity; 3997 } 3998 3999 fragment = 0; 4000 while (risc_size > 0 && rval == QLA_SUCCESS) { 4001 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 4002 if (dlen > risc_size) 4003 dlen = risc_size; 4004 4005 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 4006 "addr %x, number of dwords 0x%x.\n", ha->host_no, 4007 risc_addr, dlen)); 4008 4009 for (i = 0; i < dlen; i++) 4010 dcode[i] = swab32(fwcode[i]); 4011 4012 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 4013 dlen); 4014 if (rval) { 4015 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 4016 "segment %d of firmware\n", ha->host_no, 4017 fragment)); 4018 qla_printk(KERN_WARNING, ha, 4019 "[ERROR] Failed to load segment %d of " 4020 "firmware\n", fragment); 4021 break; 4022 } 4023 4024 fwcode += dlen; 4025 risc_addr += dlen; 4026 risc_size -= dlen; 4027 fragment++; 4028 } 4029 4030 /* Next segment. */ 4031 segments--; 4032 } 4033 return rval; 4034 4035 fail_fw_integrity: 4036 return QLA_FUNCTION_FAILED; 4037 } 4038 4039 void 4040 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha) 4041 { 4042 int ret, retries; 4043 4044 if (!IS_FWI2_CAPABLE(ha)) 4045 return; 4046 if (!ha->fw_major_version) 4047 return; 4048 4049 ret = qla2x00_stop_firmware(ha); 4050 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT && 4051 retries ; retries--) { 4052 ha->isp_ops->reset_chip(ha); 4053 if (ha->isp_ops->chip_diag(ha) != QLA_SUCCESS) 4054 continue; 4055 if (qla2x00_setup_chip(ha) != QLA_SUCCESS) 4056 continue; 4057 qla_printk(KERN_INFO, ha, 4058 "Attempting retry of stop-firmware command...\n"); 4059 ret = qla2x00_stop_firmware(ha); 4060 } 4061 } 4062 4063 int 4064 qla24xx_configure_vhba(scsi_qla_host_t *ha) 4065 { 4066 int rval = QLA_SUCCESS; 4067 uint16_t mb[MAILBOX_REGISTER_COUNT]; 4068 4069 if (!ha->parent) 4070 return -EINVAL; 4071 4072 rval = qla2x00_fw_ready(ha->parent); 4073 if (rval == QLA_SUCCESS) { 4074 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 4075 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 4076 } 4077 4078 ha->flags.management_server_logged_in = 0; 4079 4080 /* Login to SNS first */ 4081 qla24xx_login_fabric(ha->parent, NPH_SNS, 0xff, 0xff, 0xfc, 4082 mb, BIT_1); 4083 if (mb[0] != MBS_COMMAND_COMPLETE) { 4084 DEBUG15(qla_printk(KERN_INFO, ha, 4085 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 4086 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS, 4087 mb[0], mb[1], mb[2], mb[6], mb[7])); 4088 return (QLA_FUNCTION_FAILED); 4089 } 4090 4091 atomic_set(&ha->loop_down_timer, 0); 4092 atomic_set(&ha->loop_state, LOOP_UP); 4093 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 4094 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 4095 rval = qla2x00_loop_resync(ha->parent); 4096 4097 return rval; 4098 } 4099 4100 /* 84XX Support **************************************************************/ 4101 4102 static LIST_HEAD(qla_cs84xx_list); 4103 static DEFINE_MUTEX(qla_cs84xx_mutex); 4104 4105 static struct qla_chip_state_84xx * 4106 qla84xx_get_chip(struct scsi_qla_host *ha) 4107 { 4108 struct qla_chip_state_84xx *cs84xx; 4109 4110 mutex_lock(&qla_cs84xx_mutex); 4111 4112 /* Find any shared 84xx chip. */ 4113 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) { 4114 if (cs84xx->bus == ha->pdev->bus) { 4115 kref_get(&cs84xx->kref); 4116 goto done; 4117 } 4118 } 4119 4120 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL); 4121 if (!cs84xx) 4122 goto done; 4123 4124 kref_init(&cs84xx->kref); 4125 spin_lock_init(&cs84xx->access_lock); 4126 mutex_init(&cs84xx->fw_update_mutex); 4127 cs84xx->bus = ha->pdev->bus; 4128 4129 list_add_tail(&cs84xx->list, &qla_cs84xx_list); 4130 done: 4131 mutex_unlock(&qla_cs84xx_mutex); 4132 return cs84xx; 4133 } 4134 4135 static void 4136 __qla84xx_chip_release(struct kref *kref) 4137 { 4138 struct qla_chip_state_84xx *cs84xx = 4139 container_of(kref, struct qla_chip_state_84xx, kref); 4140 4141 mutex_lock(&qla_cs84xx_mutex); 4142 list_del(&cs84xx->list); 4143 mutex_unlock(&qla_cs84xx_mutex); 4144 kfree(cs84xx); 4145 } 4146 4147 void 4148 qla84xx_put_chip(struct scsi_qla_host *ha) 4149 { 4150 if (ha->cs84xx) 4151 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release); 4152 } 4153 4154 static int 4155 qla84xx_init_chip(scsi_qla_host_t *ha) 4156 { 4157 int rval; 4158 uint16_t status[2]; 4159 4160 mutex_lock(&ha->cs84xx->fw_update_mutex); 4161 4162 rval = qla84xx_verify_chip(ha, status); 4163 4164 mutex_unlock(&ha->cs84xx->fw_update_mutex); 4165 4166 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED: 4167 QLA_SUCCESS; 4168 } 4169