qla_init.c revision cb8dacbf1110d8bd39413f3116ff1720f757854e
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/* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */ 19#ifndef EXT_IS_LUN_BIT_SET 20#define EXT_IS_LUN_BIT_SET(P,L) \ 21 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0) 22#define EXT_SET_LUN_BIT(P,L) \ 23 ((P)->mask[L/8] |= (0x80 >> (L%8))) 24#endif 25 26/* 27* QLogic ISP2x00 Hardware Support Function Prototypes. 28*/ 29static int qla2x00_isp_firmware(scsi_qla_host_t *); 30static void qla2x00_resize_request_q(scsi_qla_host_t *); 31static int qla2x00_setup_chip(scsi_qla_host_t *); 32static void qla2x00_init_response_q_entries(scsi_qla_host_t *); 33static int qla2x00_init_rings(scsi_qla_host_t *); 34static int qla2x00_fw_ready(scsi_qla_host_t *); 35static int qla2x00_configure_hba(scsi_qla_host_t *); 36static int qla2x00_configure_loop(scsi_qla_host_t *); 37static int qla2x00_configure_local_loop(scsi_qla_host_t *); 38static int qla2x00_configure_fabric(scsi_qla_host_t *); 39static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); 40static int qla2x00_device_resync(scsi_qla_host_t *); 41static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, 42 uint16_t *); 43 44static int qla2x00_restart_isp(scsi_qla_host_t *); 45 46static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev); 47 48/****************************************************************************/ 49/* QLogic ISP2x00 Hardware Support Functions. */ 50/****************************************************************************/ 51 52/* 53* qla2x00_initialize_adapter 54* Initialize board. 55* 56* Input: 57* ha = adapter block pointer. 58* 59* Returns: 60* 0 = success 61*/ 62int 63qla2x00_initialize_adapter(scsi_qla_host_t *ha) 64{ 65 int rval; 66 67 /* Clear adapter flags. */ 68 ha->flags.online = 0; 69 ha->flags.reset_active = 0; 70 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 71 atomic_set(&ha->loop_state, LOOP_DOWN); 72 ha->device_flags = DFLG_NO_CABLE; 73 ha->dpc_flags = 0; 74 ha->flags.management_server_logged_in = 0; 75 ha->marker_needed = 0; 76 ha->mbx_flags = 0; 77 ha->isp_abort_cnt = 0; 78 ha->beacon_blink_led = 0; 79 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); 80 81 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 82 rval = ha->isp_ops->pci_config(ha); 83 if (rval) { 84 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n", 85 ha->host_no)); 86 return (rval); 87 } 88 89 ha->isp_ops->reset_chip(ha); 90 91 ha->isp_ops->get_flash_version(ha, ha->request_ring); 92 93 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); 94 95 ha->isp_ops->nvram_config(ha); 96 97 if (ha->flags.disable_serdes) { 98 /* Mask HBA via NVRAM settings? */ 99 qla_printk(KERN_INFO, ha, "Masking HBA WWPN " 100 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n", 101 ha->port_name[0], ha->port_name[1], 102 ha->port_name[2], ha->port_name[3], 103 ha->port_name[4], ha->port_name[5], 104 ha->port_name[6], ha->port_name[7]); 105 return QLA_FUNCTION_FAILED; 106 } 107 108 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); 109 110 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { 111 rval = ha->isp_ops->chip_diag(ha); 112 if (rval) 113 return (rval); 114 rval = qla2x00_setup_chip(ha); 115 if (rval) 116 return (rval); 117 } 118 rval = qla2x00_init_rings(ha); 119 120 return (rval); 121} 122 123/** 124 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. 125 * @ha: HA context 126 * 127 * Returns 0 on success. 128 */ 129int 130qla2100_pci_config(scsi_qla_host_t *ha) 131{ 132 uint16_t w; 133 uint32_t d; 134 unsigned long flags; 135 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 136 137 pci_set_master(ha->pdev); 138 pci_try_set_mwi(ha->pdev); 139 140 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 141 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 142 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 143 144 /* Reset expansion ROM address decode enable */ 145 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 146 d &= ~PCI_ROM_ADDRESS_ENABLE; 147 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 148 149 /* Get PCI bus information. */ 150 spin_lock_irqsave(&ha->hardware_lock, flags); 151 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 152 spin_unlock_irqrestore(&ha->hardware_lock, flags); 153 154 return QLA_SUCCESS; 155} 156 157/** 158 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. 159 * @ha: HA context 160 * 161 * Returns 0 on success. 162 */ 163int 164qla2300_pci_config(scsi_qla_host_t *ha) 165{ 166 uint16_t w; 167 uint32_t d; 168 unsigned long flags = 0; 169 uint32_t cnt; 170 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 171 172 pci_set_master(ha->pdev); 173 pci_try_set_mwi(ha->pdev); 174 175 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 176 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 177 178 if (IS_QLA2322(ha) || IS_QLA6322(ha)) 179 w &= ~PCI_COMMAND_INTX_DISABLE; 180 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 181 182 /* 183 * If this is a 2300 card and not 2312, reset the 184 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, 185 * the 2310 also reports itself as a 2300 so we need to get the 186 * fb revision level -- a 6 indicates it really is a 2300 and 187 * not a 2310. 188 */ 189 if (IS_QLA2300(ha)) { 190 spin_lock_irqsave(&ha->hardware_lock, flags); 191 192 /* Pause RISC. */ 193 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 194 for (cnt = 0; cnt < 30000; cnt++) { 195 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) != 0) 196 break; 197 198 udelay(10); 199 } 200 201 /* Select FPM registers. */ 202 WRT_REG_WORD(®->ctrl_status, 0x20); 203 RD_REG_WORD(®->ctrl_status); 204 205 /* Get the fb rev level */ 206 ha->fb_rev = RD_FB_CMD_REG(ha, reg); 207 208 if (ha->fb_rev == FPM_2300) 209 pci_clear_mwi(ha->pdev); 210 211 /* Deselect FPM registers. */ 212 WRT_REG_WORD(®->ctrl_status, 0x0); 213 RD_REG_WORD(®->ctrl_status); 214 215 /* Release RISC module. */ 216 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 217 for (cnt = 0; cnt < 30000; cnt++) { 218 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0) 219 break; 220 221 udelay(10); 222 } 223 224 spin_unlock_irqrestore(&ha->hardware_lock, flags); 225 } 226 227 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 228 229 /* Reset expansion ROM address decode enable */ 230 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 231 d &= ~PCI_ROM_ADDRESS_ENABLE; 232 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 233 234 /* Get PCI bus information. */ 235 spin_lock_irqsave(&ha->hardware_lock, flags); 236 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 237 spin_unlock_irqrestore(&ha->hardware_lock, flags); 238 239 return QLA_SUCCESS; 240} 241 242/** 243 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers. 244 * @ha: HA context 245 * 246 * Returns 0 on success. 247 */ 248int 249qla24xx_pci_config(scsi_qla_host_t *ha) 250{ 251 uint16_t w; 252 uint32_t d; 253 unsigned long flags = 0; 254 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 255 256 pci_set_master(ha->pdev); 257 pci_try_set_mwi(ha->pdev); 258 259 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 260 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 261 w &= ~PCI_COMMAND_INTX_DISABLE; 262 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 263 264 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 265 266 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */ 267 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX)) 268 pcix_set_mmrbc(ha->pdev, 2048); 269 270 /* PCIe -- adjust Maximum Read Request Size (2048). */ 271 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP)) 272 pcie_set_readrq(ha->pdev, 2048); 273 274 /* Reset expansion ROM address decode enable */ 275 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 276 d &= ~PCI_ROM_ADDRESS_ENABLE; 277 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 278 279 ha->chip_revision = ha->pdev->revision; 280 281 /* Get PCI bus information. */ 282 spin_lock_irqsave(&ha->hardware_lock, flags); 283 ha->pci_attr = RD_REG_DWORD(®->ctrl_status); 284 spin_unlock_irqrestore(&ha->hardware_lock, flags); 285 286 return QLA_SUCCESS; 287} 288 289/** 290 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers. 291 * @ha: HA context 292 * 293 * Returns 0 on success. 294 */ 295int 296qla25xx_pci_config(scsi_qla_host_t *ha) 297{ 298 uint16_t w; 299 uint32_t d; 300 301 pci_set_master(ha->pdev); 302 pci_try_set_mwi(ha->pdev); 303 304 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 305 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 306 w &= ~PCI_COMMAND_INTX_DISABLE; 307 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 308 309 /* PCIe -- adjust Maximum Read Request Size (2048). */ 310 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP)) 311 pcie_set_readrq(ha->pdev, 2048); 312 313 /* Reset expansion ROM address decode enable */ 314 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 315 d &= ~PCI_ROM_ADDRESS_ENABLE; 316 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 317 318 ha->chip_revision = ha->pdev->revision; 319 320 return QLA_SUCCESS; 321} 322 323/** 324 * qla2x00_isp_firmware() - Choose firmware image. 325 * @ha: HA context 326 * 327 * Returns 0 on success. 328 */ 329static int 330qla2x00_isp_firmware(scsi_qla_host_t *ha) 331{ 332 int rval; 333 334 /* Assume loading risc code */ 335 rval = QLA_FUNCTION_FAILED; 336 337 if (ha->flags.disable_risc_code_load) { 338 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", 339 ha->host_no)); 340 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); 341 342 /* Verify checksum of loaded RISC code. */ 343 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address); 344 } 345 346 if (rval) { 347 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", 348 ha->host_no)); 349 } 350 351 return (rval); 352} 353 354/** 355 * qla2x00_reset_chip() - Reset ISP chip. 356 * @ha: HA context 357 * 358 * Returns 0 on success. 359 */ 360void 361qla2x00_reset_chip(scsi_qla_host_t *ha) 362{ 363 unsigned long flags = 0; 364 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 365 uint32_t cnt; 366 uint16_t cmd; 367 368 ha->isp_ops->disable_intrs(ha); 369 370 spin_lock_irqsave(&ha->hardware_lock, flags); 371 372 /* Turn off master enable */ 373 cmd = 0; 374 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); 375 cmd &= ~PCI_COMMAND_MASTER; 376 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 377 378 if (!IS_QLA2100(ha)) { 379 /* Pause RISC. */ 380 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 381 if (IS_QLA2200(ha) || IS_QLA2300(ha)) { 382 for (cnt = 0; cnt < 30000; cnt++) { 383 if ((RD_REG_WORD(®->hccr) & 384 HCCR_RISC_PAUSE) != 0) 385 break; 386 udelay(100); 387 } 388 } else { 389 RD_REG_WORD(®->hccr); /* PCI Posting. */ 390 udelay(10); 391 } 392 393 /* Select FPM registers. */ 394 WRT_REG_WORD(®->ctrl_status, 0x20); 395 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 396 397 /* FPM Soft Reset. */ 398 WRT_REG_WORD(®->fpm_diag_config, 0x100); 399 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 400 401 /* Toggle Fpm Reset. */ 402 if (!IS_QLA2200(ha)) { 403 WRT_REG_WORD(®->fpm_diag_config, 0x0); 404 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 405 } 406 407 /* Select frame buffer registers. */ 408 WRT_REG_WORD(®->ctrl_status, 0x10); 409 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 410 411 /* Reset frame buffer FIFOs. */ 412 if (IS_QLA2200(ha)) { 413 WRT_FB_CMD_REG(ha, reg, 0xa000); 414 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ 415 } else { 416 WRT_FB_CMD_REG(ha, reg, 0x00fc); 417 418 /* Read back fb_cmd until zero or 3 seconds max */ 419 for (cnt = 0; cnt < 3000; cnt++) { 420 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) 421 break; 422 udelay(100); 423 } 424 } 425 426 /* Select RISC module registers. */ 427 WRT_REG_WORD(®->ctrl_status, 0); 428 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 429 430 /* Reset RISC processor. */ 431 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 432 RD_REG_WORD(®->hccr); /* PCI Posting. */ 433 434 /* Release RISC processor. */ 435 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 436 RD_REG_WORD(®->hccr); /* PCI Posting. */ 437 } 438 439 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 440 WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); 441 442 /* Reset ISP chip. */ 443 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 444 445 /* Wait for RISC to recover from reset. */ 446 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 447 /* 448 * It is necessary to for a delay here since the card doesn't 449 * respond to PCI reads during a reset. On some architectures 450 * this will result in an MCA. 451 */ 452 udelay(20); 453 for (cnt = 30000; cnt; cnt--) { 454 if ((RD_REG_WORD(®->ctrl_status) & 455 CSR_ISP_SOFT_RESET) == 0) 456 break; 457 udelay(100); 458 } 459 } else 460 udelay(10); 461 462 /* Reset RISC processor. */ 463 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 464 465 WRT_REG_WORD(®->semaphore, 0); 466 467 /* Release RISC processor. */ 468 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 469 RD_REG_WORD(®->hccr); /* PCI Posting. */ 470 471 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 472 for (cnt = 0; cnt < 30000; cnt++) { 473 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) 474 break; 475 476 udelay(100); 477 } 478 } else 479 udelay(100); 480 481 /* Turn on master enable */ 482 cmd |= PCI_COMMAND_MASTER; 483 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 484 485 /* Disable RISC pause on FPM parity error. */ 486 if (!IS_QLA2100(ha)) { 487 WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); 488 RD_REG_WORD(®->hccr); /* PCI Posting. */ 489 } 490 491 spin_unlock_irqrestore(&ha->hardware_lock, flags); 492} 493 494/** 495 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC. 496 * @ha: HA context 497 * 498 * Returns 0 on success. 499 */ 500static inline void 501qla24xx_reset_risc(scsi_qla_host_t *ha) 502{ 503 int hw_evt = 0; 504 unsigned long flags = 0; 505 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 506 uint32_t cnt, d2; 507 uint16_t wd; 508 509 spin_lock_irqsave(&ha->hardware_lock, flags); 510 511 /* Reset RISC. */ 512 WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 513 for (cnt = 0; cnt < 30000; cnt++) { 514 if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) 515 break; 516 517 udelay(10); 518 } 519 520 WRT_REG_DWORD(®->ctrl_status, 521 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 522 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd); 523 524 udelay(100); 525 /* Wait for firmware to complete NVRAM accesses. */ 526 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 527 for (cnt = 10000 ; cnt && d2; cnt--) { 528 udelay(5); 529 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 530 barrier(); 531 } 532 if (cnt == 0) 533 hw_evt = 1; 534 535 /* Wait for soft-reset to complete. */ 536 d2 = RD_REG_DWORD(®->ctrl_status); 537 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) { 538 udelay(5); 539 d2 = RD_REG_DWORD(®->ctrl_status); 540 barrier(); 541 } 542 if (cnt == 0 || hw_evt) 543 qla2xxx_hw_event_log(ha, HW_EVENT_RESET_ERR, 544 RD_REG_WORD(®->mailbox1), RD_REG_WORD(®->mailbox2), 545 RD_REG_WORD(®->mailbox3)); 546 547 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 548 RD_REG_DWORD(®->hccr); 549 550 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 551 RD_REG_DWORD(®->hccr); 552 553 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET); 554 RD_REG_DWORD(®->hccr); 555 556 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 557 for (cnt = 6000000 ; cnt && d2; cnt--) { 558 udelay(5); 559 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 560 barrier(); 561 } 562 563 spin_unlock_irqrestore(&ha->hardware_lock, flags); 564} 565 566/** 567 * qla24xx_reset_chip() - Reset ISP24xx chip. 568 * @ha: HA context 569 * 570 * Returns 0 on success. 571 */ 572void 573qla24xx_reset_chip(scsi_qla_host_t *ha) 574{ 575 ha->isp_ops->disable_intrs(ha); 576 577 /* Perform RISC reset. */ 578 qla24xx_reset_risc(ha); 579} 580 581/** 582 * qla2x00_chip_diag() - Test chip for proper operation. 583 * @ha: HA context 584 * 585 * Returns 0 on success. 586 */ 587int 588qla2x00_chip_diag(scsi_qla_host_t *ha) 589{ 590 int rval; 591 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 592 unsigned long flags = 0; 593 uint16_t data; 594 uint32_t cnt; 595 uint16_t mb[5]; 596 597 /* Assume a failed state */ 598 rval = QLA_FUNCTION_FAILED; 599 600 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", 601 ha->host_no, (u_long)®->flash_address)); 602 603 spin_lock_irqsave(&ha->hardware_lock, flags); 604 605 /* Reset ISP chip. */ 606 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 607 608 /* 609 * We need to have a delay here since the card will not respond while 610 * in reset causing an MCA on some architectures. 611 */ 612 udelay(20); 613 data = qla2x00_debounce_register(®->ctrl_status); 614 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { 615 udelay(5); 616 data = RD_REG_WORD(®->ctrl_status); 617 barrier(); 618 } 619 620 if (!cnt) 621 goto chip_diag_failed; 622 623 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", 624 ha->host_no)); 625 626 /* Reset RISC processor. */ 627 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 628 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 629 630 /* Workaround for QLA2312 PCI parity error */ 631 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 632 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); 633 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { 634 udelay(5); 635 data = RD_MAILBOX_REG(ha, reg, 0); 636 barrier(); 637 } 638 } else 639 udelay(10); 640 641 if (!cnt) 642 goto chip_diag_failed; 643 644 /* Check product ID of chip */ 645 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); 646 647 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 648 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 649 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 650 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); 651 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || 652 mb[3] != PROD_ID_3) { 653 qla_printk(KERN_WARNING, ha, 654 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); 655 656 goto chip_diag_failed; 657 } 658 ha->product_id[0] = mb[1]; 659 ha->product_id[1] = mb[2]; 660 ha->product_id[2] = mb[3]; 661 ha->product_id[3] = mb[4]; 662 663 /* Adjust fw RISC transfer size */ 664 if (ha->request_q_length > 1024) 665 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 666 else 667 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 668 ha->request_q_length; 669 670 if (IS_QLA2200(ha) && 671 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { 672 /* Limit firmware transfer size with a 2200A */ 673 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", 674 ha->host_no)); 675 676 ha->device_type |= DT_ISP2200A; 677 ha->fw_transfer_size = 128; 678 } 679 680 /* Wrap Incoming Mailboxes Test. */ 681 spin_unlock_irqrestore(&ha->hardware_lock, flags); 682 683 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); 684 rval = qla2x00_mbx_reg_test(ha); 685 if (rval) { 686 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 687 ha->host_no)); 688 qla_printk(KERN_WARNING, ha, 689 "Failed mailbox send register test\n"); 690 } 691 else { 692 /* Flag a successful rval */ 693 rval = QLA_SUCCESS; 694 } 695 spin_lock_irqsave(&ha->hardware_lock, flags); 696 697chip_diag_failed: 698 if (rval) 699 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " 700 "****\n", ha->host_no)); 701 702 spin_unlock_irqrestore(&ha->hardware_lock, flags); 703 704 return (rval); 705} 706 707/** 708 * qla24xx_chip_diag() - Test ISP24xx for proper operation. 709 * @ha: HA context 710 * 711 * Returns 0 on success. 712 */ 713int 714qla24xx_chip_diag(scsi_qla_host_t *ha) 715{ 716 int rval; 717 718 /* Perform RISC reset. */ 719 qla24xx_reset_risc(ha); 720 721 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 722 723 rval = qla2x00_mbx_reg_test(ha); 724 if (rval) { 725 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 726 ha->host_no)); 727 qla_printk(KERN_WARNING, ha, 728 "Failed mailbox send register test\n"); 729 } else { 730 /* Flag a successful rval */ 731 rval = QLA_SUCCESS; 732 } 733 734 return rval; 735} 736 737void 738qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) 739{ 740 int rval; 741 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size, 742 eft_size, fce_size; 743 dma_addr_t tc_dma; 744 void *tc; 745 746 if (ha->fw_dump) { 747 qla_printk(KERN_WARNING, ha, 748 "Firmware dump previously allocated.\n"); 749 return; 750 } 751 752 ha->fw_dumped = 0; 753 fixed_size = mem_size = eft_size = fce_size = 0; 754 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 755 fixed_size = sizeof(struct qla2100_fw_dump); 756 } else if (IS_QLA23XX(ha)) { 757 fixed_size = offsetof(struct qla2300_fw_dump, data_ram); 758 mem_size = (ha->fw_memory_size - 0x11000 + 1) * 759 sizeof(uint16_t); 760 } else if (IS_FWI2_CAPABLE(ha)) { 761 fixed_size = IS_QLA25XX(ha) ? 762 offsetof(struct qla25xx_fw_dump, ext_mem): 763 offsetof(struct qla24xx_fw_dump, ext_mem); 764 mem_size = (ha->fw_memory_size - 0x100000 + 1) * 765 sizeof(uint32_t); 766 767 /* Allocate memory for Extended Trace Buffer. */ 768 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma, 769 GFP_KERNEL); 770 if (!tc) { 771 qla_printk(KERN_WARNING, ha, "Unable to allocate " 772 "(%d KB) for EFT.\n", EFT_SIZE / 1024); 773 goto cont_alloc; 774 } 775 776 memset(tc, 0, EFT_SIZE); 777 rval = qla2x00_enable_eft_trace(ha, tc_dma, EFT_NUM_BUFFERS); 778 if (rval) { 779 qla_printk(KERN_WARNING, ha, "Unable to initialize " 780 "EFT (%d).\n", rval); 781 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, 782 tc_dma); 783 goto cont_alloc; 784 } 785 786 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n", 787 EFT_SIZE / 1024); 788 789 eft_size = EFT_SIZE; 790 ha->eft_dma = tc_dma; 791 ha->eft = tc; 792 793 /* Allocate memory for Fibre Channel Event Buffer. */ 794 if (!IS_QLA25XX(ha)) 795 goto cont_alloc; 796 797 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma, 798 GFP_KERNEL); 799 if (!tc) { 800 qla_printk(KERN_WARNING, ha, "Unable to allocate " 801 "(%d KB) for FCE.\n", FCE_SIZE / 1024); 802 goto cont_alloc; 803 } 804 805 memset(tc, 0, FCE_SIZE); 806 rval = qla2x00_enable_fce_trace(ha, tc_dma, FCE_NUM_BUFFERS, 807 ha->fce_mb, &ha->fce_bufs); 808 if (rval) { 809 qla_printk(KERN_WARNING, ha, "Unable to initialize " 810 "FCE (%d).\n", rval); 811 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, 812 tc_dma); 813 ha->flags.fce_enabled = 0; 814 goto cont_alloc; 815 } 816 817 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n", 818 FCE_SIZE / 1024); 819 820 fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE; 821 ha->flags.fce_enabled = 1; 822 ha->fce_dma = tc_dma; 823 ha->fce = tc; 824 } 825cont_alloc: 826 req_q_size = ha->request_q_length * sizeof(request_t); 827 rsp_q_size = ha->response_q_length * sizeof(response_t); 828 829 dump_size = offsetof(struct qla2xxx_fw_dump, isp); 830 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + 831 eft_size + fce_size; 832 833 ha->fw_dump = vmalloc(dump_size); 834 if (!ha->fw_dump) { 835 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for " 836 "firmware dump!!!\n", dump_size / 1024); 837 838 if (ha->eft) { 839 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft, 840 ha->eft_dma); 841 ha->eft = NULL; 842 ha->eft_dma = 0; 843 } 844 return; 845 } 846 847 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n", 848 dump_size / 1024); 849 850 ha->fw_dump_len = dump_size; 851 ha->fw_dump->signature[0] = 'Q'; 852 ha->fw_dump->signature[1] = 'L'; 853 ha->fw_dump->signature[2] = 'G'; 854 ha->fw_dump->signature[3] = 'C'; 855 ha->fw_dump->version = __constant_htonl(1); 856 857 ha->fw_dump->fixed_size = htonl(fixed_size); 858 ha->fw_dump->mem_size = htonl(mem_size); 859 ha->fw_dump->req_q_size = htonl(req_q_size); 860 ha->fw_dump->rsp_q_size = htonl(rsp_q_size); 861 862 ha->fw_dump->eft_size = htonl(eft_size); 863 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma)); 864 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma)); 865 866 ha->fw_dump->header_size = 867 htonl(offsetof(struct qla2xxx_fw_dump, isp)); 868} 869 870/** 871 * qla2x00_resize_request_q() - Resize request queue given available ISP memory. 872 * @ha: HA context 873 * 874 * Returns 0 on success. 875 */ 876static void 877qla2x00_resize_request_q(scsi_qla_host_t *ha) 878{ 879 int rval; 880 uint16_t fw_iocb_cnt = 0; 881 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; 882 dma_addr_t request_dma; 883 request_t *request_ring; 884 885 /* Valid only on recent ISPs. */ 886 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 887 return; 888 889 /* Retrieve IOCB counts available to the firmware. */ 890 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt, 891 &ha->max_npiv_vports); 892 if (rval) 893 return; 894 /* No point in continuing if current settings are sufficient. */ 895 if (fw_iocb_cnt < 1024) 896 return; 897 if (ha->request_q_length >= request_q_length) 898 return; 899 900 /* Attempt to claim larger area for request queue. */ 901 request_ring = dma_alloc_coherent(&ha->pdev->dev, 902 (request_q_length + 1) * sizeof(request_t), &request_dma, 903 GFP_KERNEL); 904 if (request_ring == NULL) 905 return; 906 907 /* Resize successful, report extensions. */ 908 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", 909 (ha->fw_memory_size + 1) / 1024); 910 qla_printk(KERN_INFO, ha, "Resizing request queue depth " 911 "(%d -> %d)...\n", ha->request_q_length, request_q_length); 912 913 /* Clear old allocations. */ 914 dma_free_coherent(&ha->pdev->dev, 915 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, 916 ha->request_dma); 917 918 /* Begin using larger queue. */ 919 ha->request_q_length = request_q_length; 920 ha->request_ring = request_ring; 921 ha->request_dma = request_dma; 922} 923 924/** 925 * qla2x00_setup_chip() - Load and start RISC firmware. 926 * @ha: HA context 927 * 928 * Returns 0 on success. 929 */ 930static int 931qla2x00_setup_chip(scsi_qla_host_t *ha) 932{ 933 int rval; 934 uint32_t srisc_address = 0; 935 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 936 unsigned long flags; 937 938 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { 939 /* Disable SRAM, Instruction RAM and GP RAM parity. */ 940 spin_lock_irqsave(&ha->hardware_lock, flags); 941 WRT_REG_WORD(®->hccr, (HCCR_ENABLE_PARITY + 0x0)); 942 RD_REG_WORD(®->hccr); 943 spin_unlock_irqrestore(&ha->hardware_lock, flags); 944 } 945 946 /* Load firmware sequences */ 947 rval = ha->isp_ops->load_risc(ha, &srisc_address); 948 if (rval == QLA_SUCCESS) { 949 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " 950 "code.\n", ha->host_no)); 951 952 rval = qla2x00_verify_checksum(ha, srisc_address); 953 if (rval == QLA_SUCCESS) { 954 /* Start firmware execution. */ 955 DEBUG(printk("scsi(%ld): Checksum OK, start " 956 "firmware.\n", ha->host_no)); 957 958 rval = qla2x00_execute_fw(ha, srisc_address); 959 /* Retrieve firmware information. */ 960 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { 961 qla2x00_get_fw_version(ha, 962 &ha->fw_major_version, 963 &ha->fw_minor_version, 964 &ha->fw_subminor_version, 965 &ha->fw_attributes, &ha->fw_memory_size); 966 qla2x00_resize_request_q(ha); 967 ha->flags.npiv_supported = 0; 968 if ((IS_QLA24XX(ha) || IS_QLA25XX(ha)) && 969 (ha->fw_attributes & BIT_2)) { 970 ha->flags.npiv_supported = 1; 971 if ((!ha->max_npiv_vports) || 972 ((ha->max_npiv_vports + 1) % 973 MIN_MULTI_ID_FABRIC)) 974 ha->max_npiv_vports = 975 MIN_MULTI_ID_FABRIC - 1; 976 } 977 978 if (ql2xallocfwdump) 979 qla2x00_alloc_fw_dump(ha); 980 } 981 } else { 982 DEBUG2(printk(KERN_INFO 983 "scsi(%ld): ISP Firmware failed checksum.\n", 984 ha->host_no)); 985 } 986 } 987 988 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { 989 /* Enable proper parity. */ 990 spin_lock_irqsave(&ha->hardware_lock, flags); 991 if (IS_QLA2300(ha)) 992 /* SRAM parity */ 993 WRT_REG_WORD(®->hccr, HCCR_ENABLE_PARITY + 0x1); 994 else 995 /* SRAM, Instruction RAM and GP RAM parity */ 996 WRT_REG_WORD(®->hccr, HCCR_ENABLE_PARITY + 0x7); 997 RD_REG_WORD(®->hccr); 998 spin_unlock_irqrestore(&ha->hardware_lock, flags); 999 } 1000 1001 if (rval) { 1002 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", 1003 ha->host_no)); 1004 } 1005 1006 return (rval); 1007} 1008 1009/** 1010 * qla2x00_init_response_q_entries() - Initializes response queue entries. 1011 * @ha: HA context 1012 * 1013 * Beginning of request ring has initialization control block already built 1014 * by nvram config routine. 1015 * 1016 * Returns 0 on success. 1017 */ 1018static void 1019qla2x00_init_response_q_entries(scsi_qla_host_t *ha) 1020{ 1021 uint16_t cnt; 1022 response_t *pkt; 1023 1024 pkt = ha->response_ring_ptr; 1025 for (cnt = 0; cnt < ha->response_q_length; cnt++) { 1026 pkt->signature = RESPONSE_PROCESSED; 1027 pkt++; 1028 } 1029 1030} 1031 1032/** 1033 * qla2x00_update_fw_options() - Read and process firmware options. 1034 * @ha: HA context 1035 * 1036 * Returns 0 on success. 1037 */ 1038void 1039qla2x00_update_fw_options(scsi_qla_host_t *ha) 1040{ 1041 uint16_t swing, emphasis, tx_sens, rx_sens; 1042 1043 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 1044 qla2x00_get_fw_options(ha, ha->fw_options); 1045 1046 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1047 return; 1048 1049 /* Serial Link options. */ 1050 DEBUG3(printk("scsi(%ld): Serial link options:\n", 1051 ha->host_no)); 1052 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, 1053 sizeof(ha->fw_seriallink_options))); 1054 1055 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 1056 if (ha->fw_seriallink_options[3] & BIT_2) { 1057 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 1058 1059 /* 1G settings */ 1060 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 1061 emphasis = (ha->fw_seriallink_options[2] & 1062 (BIT_4 | BIT_3)) >> 3; 1063 tx_sens = ha->fw_seriallink_options[0] & 1064 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1065 rx_sens = (ha->fw_seriallink_options[0] & 1066 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 1067 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 1068 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 1069 if (rx_sens == 0x0) 1070 rx_sens = 0x3; 1071 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 1072 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1073 ha->fw_options[10] |= BIT_5 | 1074 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1075 (tx_sens & (BIT_1 | BIT_0)); 1076 1077 /* 2G settings */ 1078 swing = (ha->fw_seriallink_options[2] & 1079 (BIT_7 | BIT_6 | BIT_5)) >> 5; 1080 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 1081 tx_sens = ha->fw_seriallink_options[1] & 1082 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1083 rx_sens = (ha->fw_seriallink_options[1] & 1084 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 1085 ha->fw_options[11] = (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[11] |= (tx_sens << 4) | rx_sens; 1090 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1091 ha->fw_options[11] |= BIT_5 | 1092 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1093 (tx_sens & (BIT_1 | BIT_0)); 1094 } 1095 1096 /* FCP2 options. */ 1097 /* Return command IOCBs without waiting for an ABTS to complete. */ 1098 ha->fw_options[3] |= BIT_13; 1099 1100 /* LED scheme. */ 1101 if (ha->flags.enable_led_scheme) 1102 ha->fw_options[2] |= BIT_12; 1103 1104 /* Detect ISP6312. */ 1105 if (IS_QLA6312(ha)) 1106 ha->fw_options[2] |= BIT_13; 1107 1108 /* Update firmware options. */ 1109 qla2x00_set_fw_options(ha, ha->fw_options); 1110} 1111 1112void 1113qla24xx_update_fw_options(scsi_qla_host_t *ha) 1114{ 1115 int rval; 1116 1117 /* Update Serial Link options. */ 1118 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0) 1119 return; 1120 1121 rval = qla2x00_set_serdes_params(ha, 1122 le16_to_cpu(ha->fw_seriallink_options24[1]), 1123 le16_to_cpu(ha->fw_seriallink_options24[2]), 1124 le16_to_cpu(ha->fw_seriallink_options24[3])); 1125 if (rval != QLA_SUCCESS) { 1126 qla_printk(KERN_WARNING, ha, 1127 "Unable to update Serial Link options (%x).\n", rval); 1128 } 1129} 1130 1131void 1132qla2x00_config_rings(struct scsi_qla_host *ha) 1133{ 1134 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1135 1136 /* Setup ring parameters in initialization control block. */ 1137 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); 1138 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); 1139 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); 1140 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); 1141 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1142 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1143 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1144 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1145 1146 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); 1147 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); 1148 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); 1149 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); 1150 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 1151} 1152 1153void 1154qla24xx_config_rings(struct scsi_qla_host *ha) 1155{ 1156 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1157 struct init_cb_24xx *icb; 1158 1159 /* Setup ring parameters in initialization control block. */ 1160 icb = (struct init_cb_24xx *)ha->init_cb; 1161 icb->request_q_outpointer = __constant_cpu_to_le16(0); 1162 icb->response_q_inpointer = __constant_cpu_to_le16(0); 1163 icb->request_q_length = cpu_to_le16(ha->request_q_length); 1164 icb->response_q_length = cpu_to_le16(ha->response_q_length); 1165 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1166 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1167 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1168 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1169 1170 WRT_REG_DWORD(®->req_q_in, 0); 1171 WRT_REG_DWORD(®->req_q_out, 0); 1172 WRT_REG_DWORD(®->rsp_q_in, 0); 1173 WRT_REG_DWORD(®->rsp_q_out, 0); 1174 RD_REG_DWORD(®->rsp_q_out); 1175} 1176 1177/** 1178 * qla2x00_init_rings() - Initializes firmware. 1179 * @ha: HA context 1180 * 1181 * Beginning of request ring has initialization control block already built 1182 * by nvram config routine. 1183 * 1184 * Returns 0 on success. 1185 */ 1186static int 1187qla2x00_init_rings(scsi_qla_host_t *ha) 1188{ 1189 int rval; 1190 unsigned long flags = 0; 1191 int cnt; 1192 struct mid_init_cb_24xx *mid_init_cb = 1193 (struct mid_init_cb_24xx *) ha->init_cb; 1194 1195 spin_lock_irqsave(&ha->hardware_lock, flags); 1196 1197 /* Clear outstanding commands array. */ 1198 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) 1199 ha->outstanding_cmds[cnt] = NULL; 1200 1201 ha->current_outstanding_cmd = 0; 1202 1203 /* Clear RSCN queue. */ 1204 ha->rscn_in_ptr = 0; 1205 ha->rscn_out_ptr = 0; 1206 1207 /* Initialize firmware. */ 1208 ha->request_ring_ptr = ha->request_ring; 1209 ha->req_ring_index = 0; 1210 ha->req_q_cnt = ha->request_q_length; 1211 ha->response_ring_ptr = ha->response_ring; 1212 ha->rsp_ring_index = 0; 1213 1214 /* Initialize response queue entries */ 1215 qla2x00_init_response_q_entries(ha); 1216 1217 ha->isp_ops->config_rings(ha); 1218 1219 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1220 1221 /* Update any ISP specific firmware options before initialization. */ 1222 ha->isp_ops->update_fw_options(ha); 1223 1224 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); 1225 1226 if (ha->flags.npiv_supported) 1227 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports); 1228 1229 mid_init_cb->options = __constant_cpu_to_le16(BIT_1); 1230 1231 rval = qla2x00_init_firmware(ha, ha->init_cb_size); 1232 if (rval) { 1233 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", 1234 ha->host_no)); 1235 } else { 1236 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", 1237 ha->host_no)); 1238 } 1239 1240 return (rval); 1241} 1242 1243/** 1244 * qla2x00_fw_ready() - Waits for firmware ready. 1245 * @ha: HA context 1246 * 1247 * Returns 0 on success. 1248 */ 1249static int 1250qla2x00_fw_ready(scsi_qla_host_t *ha) 1251{ 1252 int rval; 1253 unsigned long wtime, mtime; 1254 uint16_t min_wait; /* Minimum wait time if loop is down */ 1255 uint16_t wait_time; /* Wait time if loop is coming ready */ 1256 uint16_t fw_state; 1257 1258 rval = QLA_SUCCESS; 1259 1260 /* 20 seconds for loop down. */ 1261 min_wait = 20; 1262 1263 /* 1264 * Firmware should take at most one RATOV to login, plus 5 seconds for 1265 * our own processing. 1266 */ 1267 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 1268 wait_time = min_wait; 1269 } 1270 1271 /* Min wait time if loop down */ 1272 mtime = jiffies + (min_wait * HZ); 1273 1274 /* wait time before firmware ready */ 1275 wtime = jiffies + (wait_time * HZ); 1276 1277 /* Wait for ISP to finish LIP */ 1278 if (!ha->flags.init_done) 1279 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); 1280 1281 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", 1282 ha->host_no)); 1283 1284 do { 1285 rval = qla2x00_get_firmware_state(ha, &fw_state); 1286 if (rval == QLA_SUCCESS) { 1287 if (fw_state < FSTATE_LOSS_OF_SYNC) { 1288 ha->device_flags &= ~DFLG_NO_CABLE; 1289 } 1290 if (fw_state == FSTATE_READY) { 1291 DEBUG(printk("scsi(%ld): F/W Ready - OK \n", 1292 ha->host_no)); 1293 1294 qla2x00_get_retry_cnt(ha, &ha->retry_count, 1295 &ha->login_timeout, &ha->r_a_tov); 1296 1297 rval = QLA_SUCCESS; 1298 break; 1299 } 1300 1301 rval = QLA_FUNCTION_FAILED; 1302 1303 if (atomic_read(&ha->loop_down_timer) && 1304 fw_state != FSTATE_READY) { 1305 /* Loop down. Timeout on min_wait for states 1306 * other than Wait for Login. 1307 */ 1308 if (time_after_eq(jiffies, mtime)) { 1309 qla_printk(KERN_INFO, ha, 1310 "Cable is unplugged...\n"); 1311 1312 ha->device_flags |= DFLG_NO_CABLE; 1313 break; 1314 } 1315 } 1316 } else { 1317 /* Mailbox cmd failed. Timeout on min_wait. */ 1318 if (time_after_eq(jiffies, mtime)) 1319 break; 1320 } 1321 1322 if (time_after_eq(jiffies, wtime)) 1323 break; 1324 1325 /* Delay for a while */ 1326 msleep(500); 1327 1328 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1329 ha->host_no, fw_state, jiffies)); 1330 } while (1); 1331 1332 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1333 ha->host_no, fw_state, jiffies)); 1334 1335 if (rval) { 1336 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", 1337 ha->host_no)); 1338 } 1339 1340 return (rval); 1341} 1342 1343/* 1344* qla2x00_configure_hba 1345* Setup adapter context. 1346* 1347* Input: 1348* ha = adapter state pointer. 1349* 1350* Returns: 1351* 0 = success 1352* 1353* Context: 1354* Kernel context. 1355*/ 1356static int 1357qla2x00_configure_hba(scsi_qla_host_t *ha) 1358{ 1359 int rval; 1360 uint16_t loop_id; 1361 uint16_t topo; 1362 uint16_t sw_cap; 1363 uint8_t al_pa; 1364 uint8_t area; 1365 uint8_t domain; 1366 char connect_type[22]; 1367 1368 /* Get host addresses. */ 1369 rval = qla2x00_get_adapter_id(ha, 1370 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap); 1371 if (rval != QLA_SUCCESS) { 1372 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) || 1373 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { 1374 DEBUG2(printk("%s(%ld) Loop is in a transition state\n", 1375 __func__, ha->host_no)); 1376 } else { 1377 qla_printk(KERN_WARNING, ha, 1378 "ERROR -- Unable to get host loop ID.\n"); 1379 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 1380 } 1381 return (rval); 1382 } 1383 1384 if (topo == 4) { 1385 qla_printk(KERN_INFO, ha, 1386 "Cannot get topology - retrying.\n"); 1387 return (QLA_FUNCTION_FAILED); 1388 } 1389 1390 ha->loop_id = loop_id; 1391 1392 /* initialize */ 1393 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 1394 ha->operating_mode = LOOP; 1395 ha->switch_cap = 0; 1396 1397 switch (topo) { 1398 case 0: 1399 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", 1400 ha->host_no)); 1401 ha->current_topology = ISP_CFG_NL; 1402 strcpy(connect_type, "(Loop)"); 1403 break; 1404 1405 case 1: 1406 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", 1407 ha->host_no)); 1408 ha->switch_cap = sw_cap; 1409 ha->current_topology = ISP_CFG_FL; 1410 strcpy(connect_type, "(FL_Port)"); 1411 break; 1412 1413 case 2: 1414 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", 1415 ha->host_no)); 1416 ha->operating_mode = P2P; 1417 ha->current_topology = ISP_CFG_N; 1418 strcpy(connect_type, "(N_Port-to-N_Port)"); 1419 break; 1420 1421 case 3: 1422 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", 1423 ha->host_no)); 1424 ha->switch_cap = sw_cap; 1425 ha->operating_mode = P2P; 1426 ha->current_topology = ISP_CFG_F; 1427 strcpy(connect_type, "(F_Port)"); 1428 break; 1429 1430 default: 1431 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " 1432 "Using NL.\n", 1433 ha->host_no, topo)); 1434 ha->current_topology = ISP_CFG_NL; 1435 strcpy(connect_type, "(Loop)"); 1436 break; 1437 } 1438 1439 /* Save Host port and loop ID. */ 1440 /* byte order - Big Endian */ 1441 ha->d_id.b.domain = domain; 1442 ha->d_id.b.area = area; 1443 ha->d_id.b.al_pa = al_pa; 1444 1445 if (!ha->flags.init_done) 1446 qla_printk(KERN_INFO, ha, 1447 "Topology - %s, Host Loop address 0x%x\n", 1448 connect_type, ha->loop_id); 1449 1450 if (rval) { 1451 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); 1452 } else { 1453 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); 1454 } 1455 1456 return(rval); 1457} 1458 1459static inline void 1460qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def) 1461{ 1462 char *st, *en; 1463 uint16_t index; 1464 1465 if (memcmp(model, BINZERO, len) != 0) { 1466 strncpy(ha->model_number, model, len); 1467 st = en = ha->model_number; 1468 en += len - 1; 1469 while (en > st) { 1470 if (*en != 0x20 && *en != 0x00) 1471 break; 1472 *en-- = '\0'; 1473 } 1474 1475 index = (ha->pdev->subsystem_device & 0xff); 1476 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 1477 index < QLA_MODEL_NAMES) 1478 ha->model_desc = qla2x00_model_name[index * 2 + 1]; 1479 } else { 1480 index = (ha->pdev->subsystem_device & 0xff); 1481 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 1482 index < QLA_MODEL_NAMES) { 1483 strcpy(ha->model_number, 1484 qla2x00_model_name[index * 2]); 1485 ha->model_desc = qla2x00_model_name[index * 2 + 1]; 1486 } else { 1487 strcpy(ha->model_number, def); 1488 } 1489 } 1490} 1491 1492/* On sparc systems, obtain port and node WWN from firmware 1493 * properties. 1494 */ 1495static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv) 1496{ 1497#ifdef CONFIG_SPARC 1498 struct pci_dev *pdev = ha->pdev; 1499 struct device_node *dp = pci_device_to_OF_node(pdev); 1500 const u8 *val; 1501 int len; 1502 1503 val = of_get_property(dp, "port-wwn", &len); 1504 if (val && len >= WWN_SIZE) 1505 memcpy(nv->port_name, val, WWN_SIZE); 1506 1507 val = of_get_property(dp, "node-wwn", &len); 1508 if (val && len >= WWN_SIZE) 1509 memcpy(nv->node_name, val, WWN_SIZE); 1510#endif 1511} 1512 1513/* 1514* NVRAM configuration for ISP 2xxx 1515* 1516* Input: 1517* ha = adapter block pointer. 1518* 1519* Output: 1520* initialization control block in response_ring 1521* host adapters parameters in host adapter block 1522* 1523* Returns: 1524* 0 = success. 1525*/ 1526int 1527qla2x00_nvram_config(scsi_qla_host_t *ha) 1528{ 1529 int rval; 1530 uint8_t chksum = 0; 1531 uint16_t cnt; 1532 uint8_t *dptr1, *dptr2; 1533 init_cb_t *icb = ha->init_cb; 1534 nvram_t *nv = ha->nvram; 1535 uint8_t *ptr = ha->nvram; 1536 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1537 1538 rval = QLA_SUCCESS; 1539 1540 /* Determine NVRAM starting address. */ 1541 ha->nvram_size = sizeof(nvram_t); 1542 ha->nvram_base = 0; 1543 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 1544 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) 1545 ha->nvram_base = 0x80; 1546 1547 /* Get NVRAM data and calculate checksum. */ 1548 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size); 1549 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 1550 chksum += *ptr++; 1551 1552 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 1553 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); 1554 1555 /* Bad NVRAM data, set defaults parameters. */ 1556 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || 1557 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { 1558 /* Reset NVRAM data. */ 1559 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 1560 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 1561 nv->nvram_version); 1562 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 1563 "invalid -- WWPN) defaults.\n"); 1564 1565 if (chksum) 1566 qla2xxx_hw_event_log(ha, HW_EVENT_NVRAM_CHKSUM_ERR, 0, 1567 MSW(chksum), LSW(chksum)); 1568 1569 /* 1570 * Set default initialization control block. 1571 */ 1572 memset(nv, 0, ha->nvram_size); 1573 nv->parameter_block_version = ICB_VERSION; 1574 1575 if (IS_QLA23XX(ha)) { 1576 nv->firmware_options[0] = BIT_2 | BIT_1; 1577 nv->firmware_options[1] = BIT_7 | BIT_5; 1578 nv->add_firmware_options[0] = BIT_5; 1579 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1580 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1581 nv->special_options[1] = BIT_7; 1582 } else if (IS_QLA2200(ha)) { 1583 nv->firmware_options[0] = BIT_2 | BIT_1; 1584 nv->firmware_options[1] = BIT_7 | BIT_5; 1585 nv->add_firmware_options[0] = BIT_5; 1586 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1587 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1588 } else if (IS_QLA2100(ha)) { 1589 nv->firmware_options[0] = BIT_3 | BIT_1; 1590 nv->firmware_options[1] = BIT_5; 1591 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1592 } 1593 1594 nv->max_iocb_allocation = __constant_cpu_to_le16(256); 1595 nv->execution_throttle = __constant_cpu_to_le16(16); 1596 nv->retry_count = 8; 1597 nv->retry_delay = 1; 1598 1599 nv->port_name[0] = 33; 1600 nv->port_name[3] = 224; 1601 nv->port_name[4] = 139; 1602 1603 qla2xxx_nvram_wwn_from_ofw(ha, nv); 1604 1605 nv->login_timeout = 4; 1606 1607 /* 1608 * Set default host adapter parameters 1609 */ 1610 nv->host_p[1] = BIT_2; 1611 nv->reset_delay = 5; 1612 nv->port_down_retry_count = 8; 1613 nv->max_luns_per_target = __constant_cpu_to_le16(8); 1614 nv->link_down_timeout = 60; 1615 1616 rval = 1; 1617 } 1618 1619#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) 1620 /* 1621 * The SN2 does not provide BIOS emulation which means you can't change 1622 * potentially bogus BIOS settings. Force the use of default settings 1623 * for link rate and frame size. Hope that the rest of the settings 1624 * are valid. 1625 */ 1626 if (ia64_platform_is("sn2")) { 1627 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1628 if (IS_QLA23XX(ha)) 1629 nv->special_options[1] = BIT_7; 1630 } 1631#endif 1632 1633 /* Reset Initialization control block */ 1634 memset(icb, 0, ha->init_cb_size); 1635 1636 /* 1637 * Setup driver NVRAM options. 1638 */ 1639 nv->firmware_options[0] |= (BIT_6 | BIT_1); 1640 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 1641 nv->firmware_options[1] |= (BIT_5 | BIT_0); 1642 nv->firmware_options[1] &= ~BIT_4; 1643 1644 if (IS_QLA23XX(ha)) { 1645 nv->firmware_options[0] |= BIT_2; 1646 nv->firmware_options[0] &= ~BIT_3; 1647 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 1648 1649 if (IS_QLA2300(ha)) { 1650 if (ha->fb_rev == FPM_2310) { 1651 strcpy(ha->model_number, "QLA2310"); 1652 } else { 1653 strcpy(ha->model_number, "QLA2300"); 1654 } 1655 } else { 1656 qla2x00_set_model_info(ha, nv->model_number, 1657 sizeof(nv->model_number), "QLA23xx"); 1658 } 1659 } else if (IS_QLA2200(ha)) { 1660 nv->firmware_options[0] |= BIT_2; 1661 /* 1662 * 'Point-to-point preferred, else loop' is not a safe 1663 * connection mode setting. 1664 */ 1665 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 1666 (BIT_5 | BIT_4)) { 1667 /* Force 'loop preferred, else point-to-point'. */ 1668 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 1669 nv->add_firmware_options[0] |= BIT_5; 1670 } 1671 strcpy(ha->model_number, "QLA22xx"); 1672 } else /*if (IS_QLA2100(ha))*/ { 1673 strcpy(ha->model_number, "QLA2100"); 1674 } 1675 1676 /* 1677 * Copy over NVRAM RISC parameter block to initialization control block. 1678 */ 1679 dptr1 = (uint8_t *)icb; 1680 dptr2 = (uint8_t *)&nv->parameter_block_version; 1681 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 1682 while (cnt--) 1683 *dptr1++ = *dptr2++; 1684 1685 /* Copy 2nd half. */ 1686 dptr1 = (uint8_t *)icb->add_firmware_options; 1687 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 1688 while (cnt--) 1689 *dptr1++ = *dptr2++; 1690 1691 /* Use alternate WWN? */ 1692 if (nv->host_p[1] & BIT_7) { 1693 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 1694 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 1695 } 1696 1697 /* Prepare nodename */ 1698 if ((icb->firmware_options[1] & BIT_6) == 0) { 1699 /* 1700 * Firmware will apply the following mask if the nodename was 1701 * not provided. 1702 */ 1703 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 1704 icb->node_name[0] &= 0xF0; 1705 } 1706 1707 /* 1708 * Set host adapter parameters. 1709 */ 1710 if (nv->host_p[0] & BIT_7) 1711 ql2xextended_error_logging = 1; 1712 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 1713 /* Always load RISC code on non ISP2[12]00 chips. */ 1714 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 1715 ha->flags.disable_risc_code_load = 0; 1716 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 1717 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 1718 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 1719 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; 1720 ha->flags.disable_serdes = 0; 1721 1722 ha->operating_mode = 1723 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 1724 1725 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 1726 sizeof(ha->fw_seriallink_options)); 1727 1728 /* save HBA serial number */ 1729 ha->serial0 = icb->port_name[5]; 1730 ha->serial1 = icb->port_name[6]; 1731 ha->serial2 = icb->port_name[7]; 1732 ha->node_name = icb->node_name; 1733 ha->port_name = icb->port_name; 1734 1735 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 1736 1737 ha->retry_count = nv->retry_count; 1738 1739 /* Set minimum login_timeout to 4 seconds. */ 1740 if (nv->login_timeout < ql2xlogintimeout) 1741 nv->login_timeout = ql2xlogintimeout; 1742 if (nv->login_timeout < 4) 1743 nv->login_timeout = 4; 1744 ha->login_timeout = nv->login_timeout; 1745 icb->login_timeout = nv->login_timeout; 1746 1747 /* Set minimum RATOV to 100 tenths of a second. */ 1748 ha->r_a_tov = 100; 1749 1750 ha->loop_reset_delay = nv->reset_delay; 1751 1752 /* Link Down Timeout = 0: 1753 * 1754 * When Port Down timer expires we will start returning 1755 * I/O's to OS with "DID_NO_CONNECT". 1756 * 1757 * Link Down Timeout != 0: 1758 * 1759 * The driver waits for the link to come up after link down 1760 * before returning I/Os to OS with "DID_NO_CONNECT". 1761 */ 1762 if (nv->link_down_timeout == 0) { 1763 ha->loop_down_abort_time = 1764 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 1765 } else { 1766 ha->link_down_timeout = nv->link_down_timeout; 1767 ha->loop_down_abort_time = 1768 (LOOP_DOWN_TIME - ha->link_down_timeout); 1769 } 1770 1771 /* 1772 * Need enough time to try and get the port back. 1773 */ 1774 ha->port_down_retry_count = nv->port_down_retry_count; 1775 if (qlport_down_retry) 1776 ha->port_down_retry_count = qlport_down_retry; 1777 /* Set login_retry_count */ 1778 ha->login_retry_count = nv->retry_count; 1779 if (ha->port_down_retry_count == nv->port_down_retry_count && 1780 ha->port_down_retry_count > 3) 1781 ha->login_retry_count = ha->port_down_retry_count; 1782 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 1783 ha->login_retry_count = ha->port_down_retry_count; 1784 if (ql2xloginretrycount) 1785 ha->login_retry_count = ql2xloginretrycount; 1786 1787 icb->lun_enables = __constant_cpu_to_le16(0); 1788 icb->command_resource_count = 0; 1789 icb->immediate_notify_resource_count = 0; 1790 icb->timeout = __constant_cpu_to_le16(0); 1791 1792 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 1793 /* Enable RIO */ 1794 icb->firmware_options[0] &= ~BIT_3; 1795 icb->add_firmware_options[0] &= 1796 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1797 icb->add_firmware_options[0] |= BIT_2; 1798 icb->response_accumulation_timer = 3; 1799 icb->interrupt_delay_timer = 5; 1800 1801 ha->flags.process_response_queue = 1; 1802 } else { 1803 /* Enable ZIO. */ 1804 if (!ha->flags.init_done) { 1805 ha->zio_mode = icb->add_firmware_options[0] & 1806 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1807 ha->zio_timer = icb->interrupt_delay_timer ? 1808 icb->interrupt_delay_timer: 2; 1809 } 1810 icb->add_firmware_options[0] &= 1811 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1812 ha->flags.process_response_queue = 0; 1813 if (ha->zio_mode != QLA_ZIO_DISABLED) { 1814 ha->zio_mode = QLA_ZIO_MODE_6; 1815 1816 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer " 1817 "delay (%d us).\n", ha->host_no, ha->zio_mode, 1818 ha->zio_timer * 100)); 1819 qla_printk(KERN_INFO, ha, 1820 "ZIO mode %d enabled; timer delay (%d us).\n", 1821 ha->zio_mode, ha->zio_timer * 100); 1822 1823 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; 1824 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; 1825 ha->flags.process_response_queue = 1; 1826 } 1827 } 1828 1829 if (rval) { 1830 DEBUG2_3(printk(KERN_WARNING 1831 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 1832 } 1833 return (rval); 1834} 1835 1836static void 1837qla2x00_rport_del(void *data) 1838{ 1839 fc_port_t *fcport = data; 1840 struct fc_rport *rport; 1841 unsigned long flags; 1842 1843 spin_lock_irqsave(&fcport->rport_lock, flags); 1844 rport = fcport->drport; 1845 fcport->drport = NULL; 1846 spin_unlock_irqrestore(&fcport->rport_lock, flags); 1847 if (rport) 1848 fc_remote_port_delete(rport); 1849} 1850 1851/** 1852 * qla2x00_alloc_fcport() - Allocate a generic fcport. 1853 * @ha: HA context 1854 * @flags: allocation flags 1855 * 1856 * Returns a pointer to the allocated fcport, or NULL, if none available. 1857 */ 1858static fc_port_t * 1859qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags) 1860{ 1861 fc_port_t *fcport; 1862 1863 fcport = kzalloc(sizeof(fc_port_t), flags); 1864 if (!fcport) 1865 return NULL; 1866 1867 /* Setup fcport template structure. */ 1868 fcport->ha = ha; 1869 fcport->vp_idx = ha->vp_idx; 1870 fcport->port_type = FCT_UNKNOWN; 1871 fcport->loop_id = FC_NO_LOOP_ID; 1872 atomic_set(&fcport->state, FCS_UNCONFIGURED); 1873 fcport->flags = FCF_RLC_SUPPORT; 1874 fcport->supported_classes = FC_COS_UNSPECIFIED; 1875 spin_lock_init(&fcport->rport_lock); 1876 1877 return fcport; 1878} 1879 1880/* 1881 * qla2x00_configure_loop 1882 * Updates Fibre Channel Device Database with what is actually on loop. 1883 * 1884 * Input: 1885 * ha = adapter block pointer. 1886 * 1887 * Returns: 1888 * 0 = success. 1889 * 1 = error. 1890 * 2 = database was full and device was not configured. 1891 */ 1892static int 1893qla2x00_configure_loop(scsi_qla_host_t *ha) 1894{ 1895 int rval; 1896 unsigned long flags, save_flags; 1897 1898 rval = QLA_SUCCESS; 1899 1900 /* Get Initiator ID */ 1901 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { 1902 rval = qla2x00_configure_hba(ha); 1903 if (rval != QLA_SUCCESS) { 1904 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", 1905 ha->host_no)); 1906 return (rval); 1907 } 1908 } 1909 1910 save_flags = flags = ha->dpc_flags; 1911 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", 1912 ha->host_no, flags)); 1913 1914 /* 1915 * If we have both an RSCN and PORT UPDATE pending then handle them 1916 * both at the same time. 1917 */ 1918 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1919 clear_bit(RSCN_UPDATE, &ha->dpc_flags); 1920 1921 /* Determine what we need to do */ 1922 if (ha->current_topology == ISP_CFG_FL && 1923 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1924 1925 ha->flags.rscn_queue_overflow = 1; 1926 set_bit(RSCN_UPDATE, &flags); 1927 1928 } else if (ha->current_topology == ISP_CFG_F && 1929 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1930 1931 ha->flags.rscn_queue_overflow = 1; 1932 set_bit(RSCN_UPDATE, &flags); 1933 clear_bit(LOCAL_LOOP_UPDATE, &flags); 1934 1935 } else if (ha->current_topology == ISP_CFG_N) { 1936 clear_bit(RSCN_UPDATE, &flags); 1937 1938 } else if (!ha->flags.online || 1939 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 1940 1941 ha->flags.rscn_queue_overflow = 1; 1942 set_bit(RSCN_UPDATE, &flags); 1943 set_bit(LOCAL_LOOP_UPDATE, &flags); 1944 } 1945 1946 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 1947 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1948 rval = QLA_FUNCTION_FAILED; 1949 } else { 1950 rval = qla2x00_configure_local_loop(ha); 1951 } 1952 } 1953 1954 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 1955 if (LOOP_TRANSITION(ha)) { 1956 rval = QLA_FUNCTION_FAILED; 1957 } else { 1958 rval = qla2x00_configure_fabric(ha); 1959 } 1960 } 1961 1962 if (rval == QLA_SUCCESS) { 1963 if (atomic_read(&ha->loop_down_timer) || 1964 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1965 rval = QLA_FUNCTION_FAILED; 1966 } else { 1967 atomic_set(&ha->loop_state, LOOP_READY); 1968 1969 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); 1970 } 1971 } 1972 1973 if (rval) { 1974 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", 1975 __func__, ha->host_no)); 1976 } else { 1977 DEBUG3(printk("%s: exiting normally\n", __func__)); 1978 } 1979 1980 /* Restore state if a resync event occured during processing */ 1981 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1982 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 1983 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1984 if (test_bit(RSCN_UPDATE, &save_flags)) 1985 set_bit(RSCN_UPDATE, &ha->dpc_flags); 1986 } 1987 1988 return (rval); 1989} 1990 1991 1992 1993/* 1994 * qla2x00_configure_local_loop 1995 * Updates Fibre Channel Device Database with local loop devices. 1996 * 1997 * Input: 1998 * ha = adapter block pointer. 1999 * 2000 * Returns: 2001 * 0 = success. 2002 */ 2003static int 2004qla2x00_configure_local_loop(scsi_qla_host_t *ha) 2005{ 2006 int rval, rval2; 2007 int found_devs; 2008 int found; 2009 fc_port_t *fcport, *new_fcport; 2010 2011 uint16_t index; 2012 uint16_t entries; 2013 char *id_iter; 2014 uint16_t loop_id; 2015 uint8_t domain, area, al_pa; 2016 scsi_qla_host_t *pha = to_qla_parent(ha); 2017 2018 found_devs = 0; 2019 new_fcport = NULL; 2020 entries = MAX_FIBRE_DEVICES; 2021 2022 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); 2023 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); 2024 2025 /* Get list of logged in devices. */ 2026 memset(ha->gid_list, 0, GID_LIST_SIZE); 2027 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, 2028 &entries); 2029 if (rval != QLA_SUCCESS) 2030 goto cleanup_allocation; 2031 2032 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", 2033 ha->host_no, entries)); 2034 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, 2035 entries * sizeof(struct gid_list_info))); 2036 2037 /* Allocate temporary fcport for any new fcports discovered. */ 2038 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2039 if (new_fcport == NULL) { 2040 rval = QLA_MEMORY_ALLOC_FAILED; 2041 goto cleanup_allocation; 2042 } 2043 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 2044 2045 /* 2046 * Mark local devices that were present with FCF_DEVICE_LOST for now. 2047 */ 2048 list_for_each_entry(fcport, &pha->fcports, list) { 2049 if (fcport->vp_idx != ha->vp_idx) 2050 continue; 2051 2052 if (atomic_read(&fcport->state) == FCS_ONLINE && 2053 fcport->port_type != FCT_BROADCAST && 2054 (fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2055 2056 DEBUG(printk("scsi(%ld): Marking port lost, " 2057 "loop_id=0x%04x\n", 2058 ha->host_no, fcport->loop_id)); 2059 2060 atomic_set(&fcport->state, FCS_DEVICE_LOST); 2061 fcport->flags &= ~FCF_FARP_DONE; 2062 } 2063 } 2064 2065 /* Add devices to port list. */ 2066 id_iter = (char *)ha->gid_list; 2067 for (index = 0; index < entries; index++) { 2068 domain = ((struct gid_list_info *)id_iter)->domain; 2069 area = ((struct gid_list_info *)id_iter)->area; 2070 al_pa = ((struct gid_list_info *)id_iter)->al_pa; 2071 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 2072 loop_id = (uint16_t) 2073 ((struct gid_list_info *)id_iter)->loop_id_2100; 2074 else 2075 loop_id = le16_to_cpu( 2076 ((struct gid_list_info *)id_iter)->loop_id); 2077 id_iter += ha->gid_list_info_size; 2078 2079 /* Bypass reserved domain fields. */ 2080 if ((domain & 0xf0) == 0xf0) 2081 continue; 2082 2083 /* Bypass if not same domain and area of adapter. */ 2084 if (area && domain && 2085 (area != ha->d_id.b.area || domain != ha->d_id.b.domain)) 2086 continue; 2087 2088 /* Bypass invalid local loop ID. */ 2089 if (loop_id > LAST_LOCAL_LOOP_ID) 2090 continue; 2091 2092 /* Fill in member data. */ 2093 new_fcport->d_id.b.domain = domain; 2094 new_fcport->d_id.b.area = area; 2095 new_fcport->d_id.b.al_pa = al_pa; 2096 new_fcport->loop_id = loop_id; 2097 new_fcport->vp_idx = ha->vp_idx; 2098 rval2 = qla2x00_get_port_database(ha, new_fcport, 0); 2099 if (rval2 != QLA_SUCCESS) { 2100 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " 2101 "information -- get_port_database=%x, " 2102 "loop_id=0x%04x\n", 2103 ha->host_no, rval2, new_fcport->loop_id)); 2104 DEBUG2(printk("scsi(%ld): Scheduling resync...\n", 2105 ha->host_no)); 2106 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 2107 continue; 2108 } 2109 2110 /* Check for matching device in port list. */ 2111 found = 0; 2112 fcport = NULL; 2113 list_for_each_entry(fcport, &pha->fcports, list) { 2114 if (fcport->vp_idx != ha->vp_idx) 2115 continue; 2116 2117 if (memcmp(new_fcport->port_name, fcport->port_name, 2118 WWN_SIZE)) 2119 continue; 2120 2121 fcport->flags &= ~(FCF_FABRIC_DEVICE | 2122 FCF_PERSISTENT_BOUND); 2123 fcport->loop_id = new_fcport->loop_id; 2124 fcport->port_type = new_fcport->port_type; 2125 fcport->d_id.b24 = new_fcport->d_id.b24; 2126 memcpy(fcport->node_name, new_fcport->node_name, 2127 WWN_SIZE); 2128 2129 found++; 2130 break; 2131 } 2132 2133 if (!found) { 2134 /* New device, add to fcports list. */ 2135 new_fcport->flags &= ~FCF_PERSISTENT_BOUND; 2136 if (ha->parent) { 2137 new_fcport->ha = ha; 2138 new_fcport->vp_idx = ha->vp_idx; 2139 list_add_tail(&new_fcport->vp_fcport, 2140 &ha->vp_fcports); 2141 } 2142 list_add_tail(&new_fcport->list, &pha->fcports); 2143 2144 /* Allocate a new replacement fcport. */ 2145 fcport = new_fcport; 2146 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2147 if (new_fcport == NULL) { 2148 rval = QLA_MEMORY_ALLOC_FAILED; 2149 goto cleanup_allocation; 2150 } 2151 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 2152 } 2153 2154 /* Base iIDMA settings on HBA port speed. */ 2155 fcport->fp_speed = ha->link_data_rate; 2156 2157 qla2x00_update_fcport(ha, fcport); 2158 2159 found_devs++; 2160 } 2161 2162cleanup_allocation: 2163 kfree(new_fcport); 2164 2165 if (rval != QLA_SUCCESS) { 2166 DEBUG2(printk("scsi(%ld): Configure local loop error exit: " 2167 "rval=%x\n", ha->host_no, rval)); 2168 } 2169 2170 if (found_devs) { 2171 ha->device_flags |= DFLG_LOCAL_DEVICES; 2172 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; 2173 } 2174 2175 return (rval); 2176} 2177 2178static void 2179qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) 2180{ 2181 fc_port_t *fcport; 2182 2183 qla2x00_mark_all_devices_lost(ha, 0); 2184 list_for_each_entry(fcport, &ha->fcports, list) { 2185 if (fcport->port_type != FCT_TARGET) 2186 continue; 2187 2188 qla2x00_update_fcport(ha, fcport); 2189 } 2190} 2191 2192static void 2193qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2194{ 2195#define LS_UNKNOWN 2 2196 static char *link_speeds[5] = { "1", "2", "?", "4", "8" }; 2197 int rval; 2198 uint16_t mb[6]; 2199 2200 if (!IS_IIDMA_CAPABLE(ha)) 2201 return; 2202 2203 if (fcport->fp_speed == PORT_SPEED_UNKNOWN || 2204 fcport->fp_speed > ha->link_data_rate) 2205 return; 2206 2207 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed, 2208 mb); 2209 if (rval != QLA_SUCCESS) { 2210 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA " 2211 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n", 2212 ha->host_no, fcport->port_name[0], fcport->port_name[1], 2213 fcport->port_name[2], fcport->port_name[3], 2214 fcport->port_name[4], fcport->port_name[5], 2215 fcport->port_name[6], fcport->port_name[7], rval, 2216 fcport->fp_speed, mb[0], mb[1])); 2217 } else { 2218 DEBUG2(qla_printk(KERN_INFO, ha, 2219 "iIDMA adjusted to %s GB/s on " 2220 "%02x%02x%02x%02x%02x%02x%02x%02x.\n", 2221 link_speeds[fcport->fp_speed], fcport->port_name[0], 2222 fcport->port_name[1], fcport->port_name[2], 2223 fcport->port_name[3], fcport->port_name[4], 2224 fcport->port_name[5], fcport->port_name[6], 2225 fcport->port_name[7])); 2226 } 2227} 2228 2229static void 2230qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 2231{ 2232 struct fc_rport_identifiers rport_ids; 2233 struct fc_rport *rport; 2234 unsigned long flags; 2235 2236 if (fcport->drport) 2237 qla2x00_rport_del(fcport); 2238 if (fcport->rport) 2239 return; 2240 2241 rport_ids.node_name = wwn_to_u64(fcport->node_name); 2242 rport_ids.port_name = wwn_to_u64(fcport->port_name); 2243 rport_ids.port_id = fcport->d_id.b.domain << 16 | 2244 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 2245 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2246 rport = fc_remote_port_add(ha->host, 0, &rport_ids); 2247 if (!rport) { 2248 qla_printk(KERN_WARNING, ha, 2249 "Unable to allocate fc remote port!\n"); 2250 return; 2251 } 2252 spin_lock_irqsave(&fcport->rport_lock, flags); 2253 fcport->rport = rport; 2254 *((fc_port_t **)rport->dd_data) = fcport; 2255 spin_unlock_irqrestore(&fcport->rport_lock, flags); 2256 2257 rport->supported_classes = fcport->supported_classes; 2258 2259 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2260 if (fcport->port_type == FCT_INITIATOR) 2261 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; 2262 if (fcport->port_type == FCT_TARGET) 2263 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 2264 fc_remote_port_rolechg(rport, rport_ids.roles); 2265} 2266 2267/* 2268 * qla2x00_update_fcport 2269 * Updates device on list. 2270 * 2271 * Input: 2272 * ha = adapter block pointer. 2273 * fcport = port structure pointer. 2274 * 2275 * Return: 2276 * 0 - Success 2277 * BIT_0 - error 2278 * 2279 * Context: 2280 * Kernel context. 2281 */ 2282void 2283qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2284{ 2285 scsi_qla_host_t *pha = to_qla_parent(ha); 2286 2287 fcport->ha = ha; 2288 fcport->login_retry = 0; 2289 fcport->port_login_retry_count = pha->port_down_retry_count * 2290 PORT_RETRY_TIME; 2291 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count * 2292 PORT_RETRY_TIME); 2293 fcport->flags &= ~FCF_LOGIN_NEEDED; 2294 2295 qla2x00_iidma_fcport(ha, fcport); 2296 2297 atomic_set(&fcport->state, FCS_ONLINE); 2298 2299 qla2x00_reg_remote_port(ha, fcport); 2300} 2301 2302/* 2303 * qla2x00_configure_fabric 2304 * Setup SNS devices with loop ID's. 2305 * 2306 * Input: 2307 * ha = adapter block pointer. 2308 * 2309 * Returns: 2310 * 0 = success. 2311 * BIT_0 = error 2312 */ 2313static int 2314qla2x00_configure_fabric(scsi_qla_host_t *ha) 2315{ 2316 int rval, rval2; 2317 fc_port_t *fcport, *fcptemp; 2318 uint16_t next_loopid; 2319 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2320 uint16_t loop_id; 2321 LIST_HEAD(new_fcports); 2322 scsi_qla_host_t *pha = to_qla_parent(ha); 2323 2324 /* If FL port exists, then SNS is present */ 2325 if (IS_FWI2_CAPABLE(ha)) 2326 loop_id = NPH_F_PORT; 2327 else 2328 loop_id = SNS_FL_PORT; 2329 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1); 2330 if (rval != QLA_SUCCESS) { 2331 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " 2332 "Port\n", ha->host_no)); 2333 2334 ha->device_flags &= ~SWITCH_FOUND; 2335 return (QLA_SUCCESS); 2336 } 2337 ha->device_flags |= SWITCH_FOUND; 2338 2339 /* Mark devices that need re-synchronization. */ 2340 rval2 = qla2x00_device_resync(ha); 2341 if (rval2 == QLA_RSCNS_HANDLED) { 2342 /* No point doing the scan, just continue. */ 2343 return (QLA_SUCCESS); 2344 } 2345 do { 2346 /* FDMI support. */ 2347 if (ql2xfdmienable && 2348 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags)) 2349 qla2x00_fdmi_register(ha); 2350 2351 /* Ensure we are logged into the SNS. */ 2352 if (IS_FWI2_CAPABLE(ha)) 2353 loop_id = NPH_SNS; 2354 else 2355 loop_id = SIMPLE_NAME_SERVER; 2356 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff, 2357 0xfc, mb, BIT_1 | BIT_0); 2358 if (mb[0] != MBS_COMMAND_COMPLETE) { 2359 DEBUG2(qla_printk(KERN_INFO, ha, 2360 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 2361 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, 2362 mb[0], mb[1], mb[2], mb[6], mb[7])); 2363 return (QLA_SUCCESS); 2364 } 2365 2366 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { 2367 if (qla2x00_rft_id(ha)) { 2368 /* EMPTY */ 2369 DEBUG2(printk("scsi(%ld): Register FC-4 " 2370 "TYPE failed.\n", ha->host_no)); 2371 } 2372 if (qla2x00_rff_id(ha)) { 2373 /* EMPTY */ 2374 DEBUG2(printk("scsi(%ld): Register FC-4 " 2375 "Features failed.\n", ha->host_no)); 2376 } 2377 if (qla2x00_rnn_id(ha)) { 2378 /* EMPTY */ 2379 DEBUG2(printk("scsi(%ld): Register Node Name " 2380 "failed.\n", ha->host_no)); 2381 } else if (qla2x00_rsnn_nn(ha)) { 2382 /* EMPTY */ 2383 DEBUG2(printk("scsi(%ld): Register Symbolic " 2384 "Node Name failed.\n", ha->host_no)); 2385 } 2386 } 2387 2388 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); 2389 if (rval != QLA_SUCCESS) 2390 break; 2391 2392 /* 2393 * Logout all previous fabric devices marked lost, except 2394 * tape devices. 2395 */ 2396 list_for_each_entry(fcport, &pha->fcports, list) { 2397 if (fcport->vp_idx !=ha->vp_idx) 2398 continue; 2399 2400 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2401 break; 2402 2403 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 2404 continue; 2405 2406 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 2407 qla2x00_mark_device_lost(ha, fcport, 2408 ql2xplogiabsentdevice, 0); 2409 if (fcport->loop_id != FC_NO_LOOP_ID && 2410 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2411 fcport->port_type != FCT_INITIATOR && 2412 fcport->port_type != FCT_BROADCAST) { 2413 ha->isp_ops->fabric_logout(ha, 2414 fcport->loop_id, 2415 fcport->d_id.b.domain, 2416 fcport->d_id.b.area, 2417 fcport->d_id.b.al_pa); 2418 fcport->loop_id = FC_NO_LOOP_ID; 2419 } 2420 } 2421 } 2422 2423 /* Starting free loop ID. */ 2424 next_loopid = pha->min_external_loopid; 2425 2426 /* 2427 * Scan through our port list and login entries that need to be 2428 * logged in. 2429 */ 2430 list_for_each_entry(fcport, &pha->fcports, list) { 2431 if (fcport->vp_idx != ha->vp_idx) 2432 continue; 2433 2434 if (atomic_read(&ha->loop_down_timer) || 2435 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2436 break; 2437 2438 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2439 (fcport->flags & FCF_LOGIN_NEEDED) == 0) 2440 continue; 2441 2442 if (fcport->loop_id == FC_NO_LOOP_ID) { 2443 fcport->loop_id = next_loopid; 2444 rval = qla2x00_find_new_loop_id(ha, fcport); 2445 if (rval != QLA_SUCCESS) { 2446 /* Ran out of IDs to use */ 2447 break; 2448 } 2449 } 2450 /* Login and update database */ 2451 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2452 } 2453 2454 /* Exit if out of loop IDs. */ 2455 if (rval != QLA_SUCCESS) { 2456 break; 2457 } 2458 2459 /* 2460 * Login and add the new devices to our port list. 2461 */ 2462 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2463 if (atomic_read(&ha->loop_down_timer) || 2464 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2465 break; 2466 2467 /* Find a new loop ID to use. */ 2468 fcport->loop_id = next_loopid; 2469 rval = qla2x00_find_new_loop_id(ha, fcport); 2470 if (rval != QLA_SUCCESS) { 2471 /* Ran out of IDs to use */ 2472 break; 2473 } 2474 2475 /* Login and update database */ 2476 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2477 2478 if (ha->parent) { 2479 fcport->ha = ha; 2480 fcport->vp_idx = ha->vp_idx; 2481 list_add_tail(&fcport->vp_fcport, 2482 &ha->vp_fcports); 2483 list_move_tail(&fcport->list, 2484 &ha->parent->fcports); 2485 } else 2486 list_move_tail(&fcport->list, &ha->fcports); 2487 } 2488 } while (0); 2489 2490 /* Free all new device structures not processed. */ 2491 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2492 list_del(&fcport->list); 2493 kfree(fcport); 2494 } 2495 2496 if (rval) { 2497 DEBUG2(printk("scsi(%ld): Configure fabric error exit: " 2498 "rval=%d\n", ha->host_no, rval)); 2499 } 2500 2501 return (rval); 2502} 2503 2504 2505/* 2506 * qla2x00_find_all_fabric_devs 2507 * 2508 * Input: 2509 * ha = adapter block pointer. 2510 * dev = database device entry pointer. 2511 * 2512 * Returns: 2513 * 0 = success. 2514 * 2515 * Context: 2516 * Kernel context. 2517 */ 2518static int 2519qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) 2520{ 2521 int rval; 2522 uint16_t loop_id; 2523 fc_port_t *fcport, *new_fcport, *fcptemp; 2524 int found; 2525 2526 sw_info_t *swl; 2527 int swl_idx; 2528 int first_dev, last_dev; 2529 port_id_t wrap, nxt_d_id; 2530 int vp_index; 2531 int empty_vp_index; 2532 int found_vp; 2533 scsi_qla_host_t *vha; 2534 scsi_qla_host_t *pha = to_qla_parent(ha); 2535 2536 rval = QLA_SUCCESS; 2537 2538 /* Try GID_PT to get device list, else GAN. */ 2539 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC); 2540 if (!swl) { 2541 /*EMPTY*/ 2542 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2543 "on GA_NXT\n", ha->host_no)); 2544 } else { 2545 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { 2546 kfree(swl); 2547 swl = NULL; 2548 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { 2549 kfree(swl); 2550 swl = NULL; 2551 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { 2552 kfree(swl); 2553 swl = NULL; 2554 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) { 2555 qla2x00_gpsc(ha, swl); 2556 } 2557 } 2558 swl_idx = 0; 2559 2560 /* Allocate temporary fcport for any new fcports discovered. */ 2561 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2562 if (new_fcport == NULL) { 2563 kfree(swl); 2564 return (QLA_MEMORY_ALLOC_FAILED); 2565 } 2566 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2567 new_fcport->vp_idx = ha->vp_idx; 2568 /* Set start port ID scan at adapter ID. */ 2569 first_dev = 1; 2570 last_dev = 0; 2571 2572 /* Starting free loop ID. */ 2573 loop_id = pha->min_external_loopid; 2574 for (; loop_id <= ha->last_loop_id; loop_id++) { 2575 if (qla2x00_is_reserved_id(ha, loop_id)) 2576 continue; 2577 2578 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) 2579 break; 2580 2581 if (swl != NULL) { 2582 if (last_dev) { 2583 wrap.b24 = new_fcport->d_id.b24; 2584 } else { 2585 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 2586 memcpy(new_fcport->node_name, 2587 swl[swl_idx].node_name, WWN_SIZE); 2588 memcpy(new_fcport->port_name, 2589 swl[swl_idx].port_name, WWN_SIZE); 2590 memcpy(new_fcport->fabric_port_name, 2591 swl[swl_idx].fabric_port_name, WWN_SIZE); 2592 new_fcport->fp_speed = swl[swl_idx].fp_speed; 2593 2594 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 2595 last_dev = 1; 2596 } 2597 swl_idx++; 2598 } 2599 } else { 2600 /* Send GA_NXT to the switch */ 2601 rval = qla2x00_ga_nxt(ha, new_fcport); 2602 if (rval != QLA_SUCCESS) { 2603 qla_printk(KERN_WARNING, ha, 2604 "SNS scan failed -- assuming zero-entry " 2605 "result...\n"); 2606 list_for_each_entry_safe(fcport, fcptemp, 2607 new_fcports, list) { 2608 list_del(&fcport->list); 2609 kfree(fcport); 2610 } 2611 rval = QLA_SUCCESS; 2612 break; 2613 } 2614 } 2615 2616 /* If wrap on switch device list, exit. */ 2617 if (first_dev) { 2618 wrap.b24 = new_fcport->d_id.b24; 2619 first_dev = 0; 2620 } else if (new_fcport->d_id.b24 == wrap.b24) { 2621 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", 2622 ha->host_no, new_fcport->d_id.b.domain, 2623 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); 2624 break; 2625 } 2626 2627 /* Bypass if same physical adapter. */ 2628 if (new_fcport->d_id.b24 == pha->d_id.b24) 2629 continue; 2630 2631 /* Bypass virtual ports of the same host. */ 2632 if (pha->num_vhosts) { 2633 for_each_mapped_vp_idx(pha, vp_index) { 2634 empty_vp_index = 1; 2635 found_vp = 0; 2636 list_for_each_entry(vha, &pha->vp_list, 2637 vp_list) { 2638 if (vp_index == vha->vp_idx) { 2639 empty_vp_index = 0; 2640 found_vp = 1; 2641 break; 2642 } 2643 } 2644 2645 if (empty_vp_index) 2646 continue; 2647 2648 if (found_vp && 2649 new_fcport->d_id.b24 == vha->d_id.b24) 2650 break; 2651 } 2652 2653 if (vp_index <= pha->max_npiv_vports) 2654 continue; 2655 } 2656 2657 /* Bypass if same domain and area of adapter. */ 2658 if (((new_fcport->d_id.b24 & 0xffff00) == 2659 (ha->d_id.b24 & 0xffff00)) && ha->current_topology == 2660 ISP_CFG_FL) 2661 continue; 2662 2663 /* Bypass reserved domain fields. */ 2664 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 2665 continue; 2666 2667 /* Locate matching device in database. */ 2668 found = 0; 2669 list_for_each_entry(fcport, &pha->fcports, list) { 2670 if (new_fcport->vp_idx != fcport->vp_idx) 2671 continue; 2672 if (memcmp(new_fcport->port_name, fcport->port_name, 2673 WWN_SIZE)) 2674 continue; 2675 2676 found++; 2677 2678 /* Update port state. */ 2679 memcpy(fcport->fabric_port_name, 2680 new_fcport->fabric_port_name, WWN_SIZE); 2681 fcport->fp_speed = new_fcport->fp_speed; 2682 2683 /* 2684 * If address the same and state FCS_ONLINE, nothing 2685 * changed. 2686 */ 2687 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 2688 atomic_read(&fcport->state) == FCS_ONLINE) { 2689 break; 2690 } 2691 2692 /* 2693 * If device was not a fabric device before. 2694 */ 2695 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2696 fcport->d_id.b24 = new_fcport->d_id.b24; 2697 fcport->loop_id = FC_NO_LOOP_ID; 2698 fcport->flags |= (FCF_FABRIC_DEVICE | 2699 FCF_LOGIN_NEEDED); 2700 fcport->flags &= ~FCF_PERSISTENT_BOUND; 2701 break; 2702 } 2703 2704 /* 2705 * Port ID changed or device was marked to be updated; 2706 * Log it out if still logged in and mark it for 2707 * relogin later. 2708 */ 2709 fcport->d_id.b24 = new_fcport->d_id.b24; 2710 fcport->flags |= FCF_LOGIN_NEEDED; 2711 if (fcport->loop_id != FC_NO_LOOP_ID && 2712 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2713 fcport->port_type != FCT_INITIATOR && 2714 fcport->port_type != FCT_BROADCAST) { 2715 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 2716 fcport->d_id.b.domain, fcport->d_id.b.area, 2717 fcport->d_id.b.al_pa); 2718 fcport->loop_id = FC_NO_LOOP_ID; 2719 } 2720 2721 break; 2722 } 2723 2724 if (found) 2725 continue; 2726 2727 /* If device was not in our fcports list, then add it. */ 2728 list_add_tail(&new_fcport->list, new_fcports); 2729 2730 /* Allocate a new replacement fcport. */ 2731 nxt_d_id.b24 = new_fcport->d_id.b24; 2732 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2733 if (new_fcport == NULL) { 2734 kfree(swl); 2735 return (QLA_MEMORY_ALLOC_FAILED); 2736 } 2737 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2738 new_fcport->d_id.b24 = nxt_d_id.b24; 2739 new_fcport->vp_idx = ha->vp_idx; 2740 } 2741 2742 kfree(swl); 2743 kfree(new_fcport); 2744 2745 if (!list_empty(new_fcports)) 2746 ha->device_flags |= DFLG_FABRIC_DEVICES; 2747 2748 return (rval); 2749} 2750 2751/* 2752 * qla2x00_find_new_loop_id 2753 * Scan through our port list and find a new usable loop ID. 2754 * 2755 * Input: 2756 * ha: adapter state pointer. 2757 * dev: port structure pointer. 2758 * 2759 * Returns: 2760 * qla2x00 local function return status code. 2761 * 2762 * Context: 2763 * Kernel context. 2764 */ 2765static int 2766qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) 2767{ 2768 int rval; 2769 int found; 2770 fc_port_t *fcport; 2771 uint16_t first_loop_id; 2772 scsi_qla_host_t *pha = to_qla_parent(ha); 2773 2774 rval = QLA_SUCCESS; 2775 2776 /* Save starting loop ID. */ 2777 first_loop_id = dev->loop_id; 2778 2779 for (;;) { 2780 /* Skip loop ID if already used by adapter. */ 2781 if (dev->loop_id == ha->loop_id) { 2782 dev->loop_id++; 2783 } 2784 2785 /* Skip reserved loop IDs. */ 2786 while (qla2x00_is_reserved_id(ha, dev->loop_id)) { 2787 dev->loop_id++; 2788 } 2789 2790 /* Reset loop ID if passed the end. */ 2791 if (dev->loop_id > ha->last_loop_id) { 2792 /* first loop ID. */ 2793 dev->loop_id = ha->min_external_loopid; 2794 } 2795 2796 /* Check for loop ID being already in use. */ 2797 found = 0; 2798 fcport = NULL; 2799 list_for_each_entry(fcport, &pha->fcports, list) { 2800 if (fcport->loop_id == dev->loop_id && fcport != dev) { 2801 /* ID possibly in use */ 2802 found++; 2803 break; 2804 } 2805 } 2806 2807 /* If not in use then it is free to use. */ 2808 if (!found) { 2809 break; 2810 } 2811 2812 /* ID in use. Try next value. */ 2813 dev->loop_id++; 2814 2815 /* If wrap around. No free ID to use. */ 2816 if (dev->loop_id == first_loop_id) { 2817 dev->loop_id = FC_NO_LOOP_ID; 2818 rval = QLA_FUNCTION_FAILED; 2819 break; 2820 } 2821 } 2822 2823 return (rval); 2824} 2825 2826/* 2827 * qla2x00_device_resync 2828 * Marks devices in the database that needs resynchronization. 2829 * 2830 * Input: 2831 * ha = adapter block pointer. 2832 * 2833 * Context: 2834 * Kernel context. 2835 */ 2836static int 2837qla2x00_device_resync(scsi_qla_host_t *ha) 2838{ 2839 int rval; 2840 uint32_t mask; 2841 fc_port_t *fcport; 2842 uint32_t rscn_entry; 2843 uint8_t rscn_out_iter; 2844 uint8_t format; 2845 port_id_t d_id; 2846 scsi_qla_host_t *pha = to_qla_parent(ha); 2847 2848 rval = QLA_RSCNS_HANDLED; 2849 2850 while (ha->rscn_out_ptr != ha->rscn_in_ptr || 2851 ha->flags.rscn_queue_overflow) { 2852 2853 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; 2854 format = MSB(MSW(rscn_entry)); 2855 d_id.b.domain = LSB(MSW(rscn_entry)); 2856 d_id.b.area = MSB(LSW(rscn_entry)); 2857 d_id.b.al_pa = LSB(LSW(rscn_entry)); 2858 2859 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " 2860 "[%02x/%02x%02x%02x].\n", 2861 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, 2862 d_id.b.area, d_id.b.al_pa)); 2863 2864 ha->rscn_out_ptr++; 2865 if (ha->rscn_out_ptr == MAX_RSCN_COUNT) 2866 ha->rscn_out_ptr = 0; 2867 2868 /* Skip duplicate entries. */ 2869 for (rscn_out_iter = ha->rscn_out_ptr; 2870 !ha->flags.rscn_queue_overflow && 2871 rscn_out_iter != ha->rscn_in_ptr; 2872 rscn_out_iter = (rscn_out_iter == 2873 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { 2874 2875 if (rscn_entry != ha->rscn_queue[rscn_out_iter]) 2876 break; 2877 2878 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " 2879 "entry found at [%d].\n", ha->host_no, 2880 rscn_out_iter)); 2881 2882 ha->rscn_out_ptr = rscn_out_iter; 2883 } 2884 2885 /* Queue overflow, set switch default case. */ 2886 if (ha->flags.rscn_queue_overflow) { 2887 DEBUG(printk("scsi(%ld): device_resync: rscn " 2888 "overflow.\n", ha->host_no)); 2889 2890 format = 3; 2891 ha->flags.rscn_queue_overflow = 0; 2892 } 2893 2894 switch (format) { 2895 case 0: 2896 mask = 0xffffff; 2897 break; 2898 case 1: 2899 mask = 0xffff00; 2900 break; 2901 case 2: 2902 mask = 0xff0000; 2903 break; 2904 default: 2905 mask = 0x0; 2906 d_id.b24 = 0; 2907 ha->rscn_out_ptr = ha->rscn_in_ptr; 2908 break; 2909 } 2910 2911 rval = QLA_SUCCESS; 2912 2913 list_for_each_entry(fcport, &pha->fcports, list) { 2914 if (fcport->vp_idx != ha->vp_idx) 2915 continue; 2916 2917 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2918 (fcport->d_id.b24 & mask) != d_id.b24 || 2919 fcport->port_type == FCT_BROADCAST) 2920 continue; 2921 2922 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2923 if (format != 3 || 2924 fcport->port_type != FCT_INITIATOR) { 2925 qla2x00_mark_device_lost(ha, fcport, 2926 0, 0); 2927 } 2928 } 2929 fcport->flags &= ~FCF_FARP_DONE; 2930 } 2931 } 2932 return (rval); 2933} 2934 2935/* 2936 * qla2x00_fabric_dev_login 2937 * Login fabric target device and update FC port database. 2938 * 2939 * Input: 2940 * ha: adapter state pointer. 2941 * fcport: port structure list pointer. 2942 * next_loopid: contains value of a new loop ID that can be used 2943 * by the next login attempt. 2944 * 2945 * Returns: 2946 * qla2x00 local function return status code. 2947 * 2948 * Context: 2949 * Kernel context. 2950 */ 2951static int 2952qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2953 uint16_t *next_loopid) 2954{ 2955 int rval; 2956 int retry; 2957 uint8_t opts; 2958 2959 rval = QLA_SUCCESS; 2960 retry = 0; 2961 2962 rval = qla2x00_fabric_login(ha, fcport, next_loopid); 2963 if (rval == QLA_SUCCESS) { 2964 /* Send an ADISC to tape devices.*/ 2965 opts = 0; 2966 if (fcport->flags & FCF_TAPE_PRESENT) 2967 opts |= BIT_1; 2968 rval = qla2x00_get_port_database(ha, fcport, opts); 2969 if (rval != QLA_SUCCESS) { 2970 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 2971 fcport->d_id.b.domain, fcport->d_id.b.area, 2972 fcport->d_id.b.al_pa); 2973 qla2x00_mark_device_lost(ha, fcport, 1, 0); 2974 } else { 2975 qla2x00_update_fcport(ha, fcport); 2976 } 2977 } 2978 2979 return (rval); 2980} 2981 2982/* 2983 * qla2x00_fabric_login 2984 * Issue fabric login command. 2985 * 2986 * Input: 2987 * ha = adapter block pointer. 2988 * device = pointer to FC device type structure. 2989 * 2990 * Returns: 2991 * 0 - Login successfully 2992 * 1 - Login failed 2993 * 2 - Initiator device 2994 * 3 - Fatal error 2995 */ 2996int 2997qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2998 uint16_t *next_loopid) 2999{ 3000 int rval; 3001 int retry; 3002 uint16_t tmp_loopid; 3003 uint16_t mb[MAILBOX_REGISTER_COUNT]; 3004 3005 retry = 0; 3006 tmp_loopid = 0; 3007 3008 for (;;) { 3009 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " 3010 "for port %02x%02x%02x.\n", 3011 ha->host_no, fcport->loop_id, fcport->d_id.b.domain, 3012 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 3013 3014 /* Login fcport on switch. */ 3015 ha->isp_ops->fabric_login(ha, fcport->loop_id, 3016 fcport->d_id.b.domain, fcport->d_id.b.area, 3017 fcport->d_id.b.al_pa, mb, BIT_0); 3018 if (mb[0] == MBS_PORT_ID_USED) { 3019 /* 3020 * Device has another loop ID. The firmware team 3021 * recommends the driver perform an implicit login with 3022 * the specified ID again. The ID we just used is save 3023 * here so we return with an ID that can be tried by 3024 * the next login. 3025 */ 3026 retry++; 3027 tmp_loopid = fcport->loop_id; 3028 fcport->loop_id = mb[1]; 3029 3030 DEBUG(printk("Fabric Login: port in use - next " 3031 "loop id=0x%04x, port Id=%02x%02x%02x.\n", 3032 fcport->loop_id, fcport->d_id.b.domain, 3033 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 3034 3035 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 3036 /* 3037 * Login succeeded. 3038 */ 3039 if (retry) { 3040 /* A retry occurred before. */ 3041 *next_loopid = tmp_loopid; 3042 } else { 3043 /* 3044 * No retry occurred before. Just increment the 3045 * ID value for next login. 3046 */ 3047 *next_loopid = (fcport->loop_id + 1); 3048 } 3049 3050 if (mb[1] & BIT_0) { 3051 fcport->port_type = FCT_INITIATOR; 3052 } else { 3053 fcport->port_type = FCT_TARGET; 3054 if (mb[1] & BIT_1) { 3055 fcport->flags |= FCF_TAPE_PRESENT; 3056 } 3057 } 3058 3059 if (mb[10] & BIT_0) 3060 fcport->supported_classes |= FC_COS_CLASS2; 3061 if (mb[10] & BIT_1) 3062 fcport->supported_classes |= FC_COS_CLASS3; 3063 3064 rval = QLA_SUCCESS; 3065 break; 3066 } else if (mb[0] == MBS_LOOP_ID_USED) { 3067 /* 3068 * Loop ID already used, try next loop ID. 3069 */ 3070 fcport->loop_id++; 3071 rval = qla2x00_find_new_loop_id(ha, fcport); 3072 if (rval != QLA_SUCCESS) { 3073 /* Ran out of loop IDs to use */ 3074 break; 3075 } 3076 } else if (mb[0] == MBS_COMMAND_ERROR) { 3077 /* 3078 * Firmware possibly timed out during login. If NO 3079 * retries are left to do then the device is declared 3080 * dead. 3081 */ 3082 *next_loopid = fcport->loop_id; 3083 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3084 fcport->d_id.b.domain, fcport->d_id.b.area, 3085 fcport->d_id.b.al_pa); 3086 qla2x00_mark_device_lost(ha, fcport, 1, 0); 3087 3088 rval = 1; 3089 break; 3090 } else { 3091 /* 3092 * unrecoverable / not handled error 3093 */ 3094 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " 3095 "loop_id=%x jiffies=%lx.\n", 3096 __func__, ha->host_no, mb[0], 3097 fcport->d_id.b.domain, fcport->d_id.b.area, 3098 fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); 3099 3100 *next_loopid = fcport->loop_id; 3101 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3102 fcport->d_id.b.domain, fcport->d_id.b.area, 3103 fcport->d_id.b.al_pa); 3104 fcport->loop_id = FC_NO_LOOP_ID; 3105 fcport->login_retry = 0; 3106 3107 rval = 3; 3108 break; 3109 } 3110 } 3111 3112 return (rval); 3113} 3114 3115/* 3116 * qla2x00_local_device_login 3117 * Issue local device login command. 3118 * 3119 * Input: 3120 * ha = adapter block pointer. 3121 * loop_id = loop id of device to login to. 3122 * 3123 * Returns (Where's the #define!!!!): 3124 * 0 - Login successfully 3125 * 1 - Login failed 3126 * 3 - Fatal error 3127 */ 3128int 3129qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport) 3130{ 3131 int rval; 3132 uint16_t mb[MAILBOX_REGISTER_COUNT]; 3133 3134 memset(mb, 0, sizeof(mb)); 3135 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0); 3136 if (rval == QLA_SUCCESS) { 3137 /* Interrogate mailbox registers for any errors */ 3138 if (mb[0] == MBS_COMMAND_ERROR) 3139 rval = 1; 3140 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 3141 /* device not in PCB table */ 3142 rval = 3; 3143 } 3144 3145 return (rval); 3146} 3147 3148/* 3149 * qla2x00_loop_resync 3150 * Resync with fibre channel devices. 3151 * 3152 * Input: 3153 * ha = adapter block pointer. 3154 * 3155 * Returns: 3156 * 0 = success 3157 */ 3158int 3159qla2x00_loop_resync(scsi_qla_host_t *ha) 3160{ 3161 int rval; 3162 uint32_t wait_time; 3163 3164 rval = QLA_SUCCESS; 3165 3166 atomic_set(&ha->loop_state, LOOP_UPDATE); 3167 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3168 if (ha->flags.online) { 3169 if (!(rval = qla2x00_fw_ready(ha))) { 3170 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3171 wait_time = 256; 3172 do { 3173 atomic_set(&ha->loop_state, LOOP_UPDATE); 3174 3175 /* Issue a marker after FW becomes ready. */ 3176 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3177 ha->marker_needed = 0; 3178 3179 /* Remap devices on Loop. */ 3180 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3181 3182 qla2x00_configure_loop(ha); 3183 wait_time--; 3184 } while (!atomic_read(&ha->loop_down_timer) && 3185 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3186 wait_time && 3187 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3188 } 3189 } 3190 3191 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { 3192 return (QLA_FUNCTION_FAILED); 3193 } 3194 3195 if (rval) { 3196 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 3197 } 3198 3199 return (rval); 3200} 3201 3202void 3203qla2x00_rescan_fcports(scsi_qla_host_t *ha) 3204{ 3205 int rescan_done; 3206 fc_port_t *fcport; 3207 3208 rescan_done = 0; 3209 list_for_each_entry(fcport, &ha->fcports, list) { 3210 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) 3211 continue; 3212 3213 qla2x00_update_fcport(ha, fcport); 3214 fcport->flags &= ~FCF_RESCAN_NEEDED; 3215 3216 rescan_done = 1; 3217 } 3218 qla2x00_probe_for_all_luns(ha); 3219} 3220 3221void 3222qla2x00_update_fcports(scsi_qla_host_t *ha) 3223{ 3224 fc_port_t *fcport; 3225 3226 /* Go with deferred removal of rport references. */ 3227 list_for_each_entry(fcport, &ha->fcports, list) 3228 if (fcport->drport) 3229 qla2x00_rport_del(fcport); 3230} 3231 3232/* 3233* qla2x00_abort_isp 3234* Resets ISP and aborts all outstanding commands. 3235* 3236* Input: 3237* ha = adapter block pointer. 3238* 3239* Returns: 3240* 0 = success 3241*/ 3242int 3243qla2x00_abort_isp(scsi_qla_host_t *ha) 3244{ 3245 int rval; 3246 uint8_t status = 0; 3247 3248 if (ha->flags.online) { 3249 ha->flags.online = 0; 3250 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 3251 3252 qla_printk(KERN_INFO, ha, 3253 "Performing ISP error recovery - ha= %p.\n", ha); 3254 ha->isp_ops->reset_chip(ha); 3255 3256 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 3257 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 3258 atomic_set(&ha->loop_state, LOOP_DOWN); 3259 qla2x00_mark_all_devices_lost(ha, 0); 3260 } else { 3261 if (!atomic_read(&ha->loop_down_timer)) 3262 atomic_set(&ha->loop_down_timer, 3263 LOOP_DOWN_TIME); 3264 } 3265 3266 /* Requeue all commands in outstanding command list. */ 3267 qla2x00_abort_all_cmds(ha, DID_RESET << 16); 3268 3269 ha->isp_ops->get_flash_version(ha, ha->request_ring); 3270 3271 ha->isp_ops->nvram_config(ha); 3272 3273 if (!qla2x00_restart_isp(ha)) { 3274 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3275 3276 if (!atomic_read(&ha->loop_down_timer)) { 3277 /* 3278 * Issue marker command only when we are going 3279 * to start the I/O . 3280 */ 3281 ha->marker_needed = 1; 3282 } 3283 3284 ha->flags.online = 1; 3285 3286 ha->isp_ops->enable_intrs(ha); 3287 3288 ha->isp_abort_cnt = 0; 3289 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3290 3291 if (ha->eft) { 3292 memset(ha->eft, 0, EFT_SIZE); 3293 rval = qla2x00_enable_eft_trace(ha, 3294 ha->eft_dma, EFT_NUM_BUFFERS); 3295 if (rval) { 3296 qla_printk(KERN_WARNING, ha, 3297 "Unable to reinitialize EFT " 3298 "(%d).\n", rval); 3299 } 3300 } 3301 3302 if (ha->fce) { 3303 ha->flags.fce_enabled = 1; 3304 memset(ha->fce, 0, 3305 fce_calc_size(ha->fce_bufs)); 3306 rval = qla2x00_enable_fce_trace(ha, 3307 ha->fce_dma, ha->fce_bufs, ha->fce_mb, 3308 &ha->fce_bufs); 3309 if (rval) { 3310 qla_printk(KERN_WARNING, ha, 3311 "Unable to reinitialize FCE " 3312 "(%d).\n", rval); 3313 ha->flags.fce_enabled = 0; 3314 } 3315 } 3316 } else { /* failed the ISP abort */ 3317 ha->flags.online = 1; 3318 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { 3319 if (ha->isp_abort_cnt == 0) { 3320 qla_printk(KERN_WARNING, ha, 3321 "ISP error recovery failed - " 3322 "board disabled\n"); 3323 /* 3324 * The next call disables the board 3325 * completely. 3326 */ 3327 ha->isp_ops->reset_adapter(ha); 3328 ha->flags.online = 0; 3329 clear_bit(ISP_ABORT_RETRY, 3330 &ha->dpc_flags); 3331 status = 0; 3332 } else { /* schedule another ISP abort */ 3333 ha->isp_abort_cnt--; 3334 DEBUG(printk("qla%ld: ISP abort - " 3335 "retry remaining %d\n", 3336 ha->host_no, ha->isp_abort_cnt)); 3337 status = 1; 3338 } 3339 } else { 3340 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3341 DEBUG(printk("qla2x00(%ld): ISP error recovery " 3342 "- retrying (%d) more times\n", 3343 ha->host_no, ha->isp_abort_cnt)); 3344 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3345 status = 1; 3346 } 3347 } 3348 3349 } 3350 3351 if (status) { 3352 qla_printk(KERN_INFO, ha, 3353 "qla2x00_abort_isp: **** FAILED ****\n"); 3354 } else { 3355 DEBUG(printk(KERN_INFO 3356 "qla2x00_abort_isp(%ld): exiting.\n", 3357 ha->host_no)); 3358 } 3359 3360 return(status); 3361} 3362 3363/* 3364* qla2x00_restart_isp 3365* restarts the ISP after a reset 3366* 3367* Input: 3368* ha = adapter block pointer. 3369* 3370* Returns: 3371* 0 = success 3372*/ 3373static int 3374qla2x00_restart_isp(scsi_qla_host_t *ha) 3375{ 3376 uint8_t status = 0; 3377 uint32_t wait_time; 3378 3379 /* If firmware needs to be loaded */ 3380 if (qla2x00_isp_firmware(ha)) { 3381 ha->flags.online = 0; 3382 if (!(status = ha->isp_ops->chip_diag(ha))) 3383 status = qla2x00_setup_chip(ha); 3384 } 3385 3386 if (!status && !(status = qla2x00_init_rings(ha))) { 3387 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3388 if (!(status = qla2x00_fw_ready(ha))) { 3389 DEBUG(printk("%s(): Start configure loop, " 3390 "status = %d\n", __func__, status)); 3391 3392 /* Issue a marker after FW becomes ready. */ 3393 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3394 3395 ha->flags.online = 1; 3396 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3397 wait_time = 256; 3398 do { 3399 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3400 qla2x00_configure_loop(ha); 3401 wait_time--; 3402 } while (!atomic_read(&ha->loop_down_timer) && 3403 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3404 wait_time && 3405 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3406 } 3407 3408 /* if no cable then assume it's good */ 3409 if ((ha->device_flags & DFLG_NO_CABLE)) 3410 status = 0; 3411 3412 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", 3413 __func__, 3414 status)); 3415 } 3416 return (status); 3417} 3418 3419/* 3420* qla2x00_reset_adapter 3421* Reset adapter. 3422* 3423* Input: 3424* ha = adapter block pointer. 3425*/ 3426void 3427qla2x00_reset_adapter(scsi_qla_host_t *ha) 3428{ 3429 unsigned long flags = 0; 3430 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3431 3432 ha->flags.online = 0; 3433 ha->isp_ops->disable_intrs(ha); 3434 3435 spin_lock_irqsave(&ha->hardware_lock, flags); 3436 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 3437 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3438 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 3439 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3440 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3441} 3442 3443void 3444qla24xx_reset_adapter(scsi_qla_host_t *ha) 3445{ 3446 unsigned long flags = 0; 3447 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3448 3449 ha->flags.online = 0; 3450 ha->isp_ops->disable_intrs(ha); 3451 3452 spin_lock_irqsave(&ha->hardware_lock, flags); 3453 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 3454 RD_REG_DWORD(®->hccr); 3455 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 3456 RD_REG_DWORD(®->hccr); 3457 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3458} 3459 3460/* On sparc systems, obtain port and node WWN from firmware 3461 * properties. 3462 */ 3463static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv) 3464{ 3465#ifdef CONFIG_SPARC 3466 struct pci_dev *pdev = ha->pdev; 3467 struct device_node *dp = pci_device_to_OF_node(pdev); 3468 const u8 *val; 3469 int len; 3470 3471 val = of_get_property(dp, "port-wwn", &len); 3472 if (val && len >= WWN_SIZE) 3473 memcpy(nv->port_name, val, WWN_SIZE); 3474 3475 val = of_get_property(dp, "node-wwn", &len); 3476 if (val && len >= WWN_SIZE) 3477 memcpy(nv->node_name, val, WWN_SIZE); 3478#endif 3479} 3480 3481int 3482qla24xx_nvram_config(scsi_qla_host_t *ha) 3483{ 3484 int rval; 3485 struct init_cb_24xx *icb; 3486 struct nvram_24xx *nv; 3487 uint32_t *dptr; 3488 uint8_t *dptr1, *dptr2; 3489 uint32_t chksum; 3490 uint16_t cnt; 3491 3492 rval = QLA_SUCCESS; 3493 icb = (struct init_cb_24xx *)ha->init_cb; 3494 nv = ha->nvram; 3495 3496 /* Determine NVRAM starting address. */ 3497 ha->nvram_size = sizeof(struct nvram_24xx); 3498 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 3499 ha->vpd_size = FA_NVRAM_VPD_SIZE; 3500 ha->vpd_base = FA_NVRAM_VPD0_ADDR; 3501 if (PCI_FUNC(ha->pdev->devfn)) { 3502 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 3503 ha->vpd_base = FA_NVRAM_VPD1_ADDR; 3504 } 3505 3506 /* Get VPD data into cache */ 3507 ha->vpd = ha->nvram + VPD_OFFSET; 3508 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd, 3509 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4); 3510 3511 /* Get NVRAM data into cache and calculate checksum. */ 3512 dptr = (uint32_t *)nv; 3513 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, 3514 ha->nvram_size); 3515 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) 3516 chksum += le32_to_cpu(*dptr++); 3517 3518 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 3519 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); 3520 3521 /* Bad NVRAM data, set defaults parameters. */ 3522 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' 3523 || nv->id[3] != ' ' || 3524 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { 3525 /* Reset NVRAM data. */ 3526 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 3527 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 3528 le16_to_cpu(nv->nvram_version)); 3529 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 3530 "invalid -- WWPN) defaults.\n"); 3531 3532 /* 3533 * Set default initialization control block. 3534 */ 3535 memset(nv, 0, ha->nvram_size); 3536 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); 3537 nv->version = __constant_cpu_to_le16(ICB_VERSION); 3538 nv->frame_payload_size = __constant_cpu_to_le16(2048); 3539 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3540 nv->exchange_count = __constant_cpu_to_le16(0); 3541 nv->hard_address = __constant_cpu_to_le16(124); 3542 nv->port_name[0] = 0x21; 3543 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); 3544 nv->port_name[2] = 0x00; 3545 nv->port_name[3] = 0xe0; 3546 nv->port_name[4] = 0x8b; 3547 nv->port_name[5] = 0x1c; 3548 nv->port_name[6] = 0x55; 3549 nv->port_name[7] = 0x86; 3550 nv->node_name[0] = 0x20; 3551 nv->node_name[1] = 0x00; 3552 nv->node_name[2] = 0x00; 3553 nv->node_name[3] = 0xe0; 3554 nv->node_name[4] = 0x8b; 3555 nv->node_name[5] = 0x1c; 3556 nv->node_name[6] = 0x55; 3557 nv->node_name[7] = 0x86; 3558 qla24xx_nvram_wwn_from_ofw(ha, nv); 3559 nv->login_retry_count = __constant_cpu_to_le16(8); 3560 nv->interrupt_delay_timer = __constant_cpu_to_le16(0); 3561 nv->login_timeout = __constant_cpu_to_le16(0); 3562 nv->firmware_options_1 = 3563 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 3564 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); 3565 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); 3566 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); 3567 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); 3568 nv->efi_parameters = __constant_cpu_to_le32(0); 3569 nv->reset_delay = 5; 3570 nv->max_luns_per_target = __constant_cpu_to_le16(128); 3571 nv->port_down_retry_count = __constant_cpu_to_le16(30); 3572 nv->link_down_timeout = __constant_cpu_to_le16(30); 3573 3574 rval = 1; 3575 } 3576 3577 /* Reset Initialization control block */ 3578 memset(icb, 0, sizeof(struct init_cb_24xx)); 3579 3580 /* Copy 1st segment. */ 3581 dptr1 = (uint8_t *)icb; 3582 dptr2 = (uint8_t *)&nv->version; 3583 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 3584 while (cnt--) 3585 *dptr1++ = *dptr2++; 3586 3587 icb->login_retry_count = nv->login_retry_count; 3588 icb->link_down_on_nos = nv->link_down_on_nos; 3589 3590 /* Copy 2nd segment. */ 3591 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 3592 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 3593 cnt = (uint8_t *)&icb->reserved_3 - 3594 (uint8_t *)&icb->interrupt_delay_timer; 3595 while (cnt--) 3596 *dptr1++ = *dptr2++; 3597 3598 /* 3599 * Setup driver NVRAM options. 3600 */ 3601 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name), 3602 "QLA2462"); 3603 3604 /* Use alternate WWN? */ 3605 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) { 3606 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 3607 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 3608 } 3609 3610 /* Prepare nodename */ 3611 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) { 3612 /* 3613 * Firmware will apply the following mask if the nodename was 3614 * not provided. 3615 */ 3616 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 3617 icb->node_name[0] &= 0xF0; 3618 } 3619 3620 /* Set host adapter parameters. */ 3621 ha->flags.disable_risc_code_load = 0; 3622 ha->flags.enable_lip_reset = 0; 3623 ha->flags.enable_lip_full_login = 3624 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0; 3625 ha->flags.enable_target_reset = 3626 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0; 3627 ha->flags.enable_led_scheme = 0; 3628 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0; 3629 3630 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & 3631 (BIT_6 | BIT_5 | BIT_4)) >> 4; 3632 3633 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 3634 sizeof(ha->fw_seriallink_options24)); 3635 3636 /* save HBA serial number */ 3637 ha->serial0 = icb->port_name[5]; 3638 ha->serial1 = icb->port_name[6]; 3639 ha->serial2 = icb->port_name[7]; 3640 ha->node_name = icb->node_name; 3641 ha->port_name = icb->port_name; 3642 3643 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3644 3645 ha->retry_count = le16_to_cpu(nv->login_retry_count); 3646 3647 /* Set minimum login_timeout to 4 seconds. */ 3648 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 3649 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 3650 if (le16_to_cpu(nv->login_timeout) < 4) 3651 nv->login_timeout = __constant_cpu_to_le16(4); 3652 ha->login_timeout = le16_to_cpu(nv->login_timeout); 3653 icb->login_timeout = cpu_to_le16(nv->login_timeout); 3654 3655 /* Set minimum RATOV to 100 tenths of a second. */ 3656 ha->r_a_tov = 100; 3657 3658 ha->loop_reset_delay = nv->reset_delay; 3659 3660 /* Link Down Timeout = 0: 3661 * 3662 * When Port Down timer expires we will start returning 3663 * I/O's to OS with "DID_NO_CONNECT". 3664 * 3665 * Link Down Timeout != 0: 3666 * 3667 * The driver waits for the link to come up after link down 3668 * before returning I/Os to OS with "DID_NO_CONNECT". 3669 */ 3670 if (le16_to_cpu(nv->link_down_timeout) == 0) { 3671 ha->loop_down_abort_time = 3672 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 3673 } else { 3674 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 3675 ha->loop_down_abort_time = 3676 (LOOP_DOWN_TIME - ha->link_down_timeout); 3677 } 3678 3679 /* Need enough time to try and get the port back. */ 3680 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 3681 if (qlport_down_retry) 3682 ha->port_down_retry_count = qlport_down_retry; 3683 3684 /* Set login_retry_count */ 3685 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 3686 if (ha->port_down_retry_count == 3687 le16_to_cpu(nv->port_down_retry_count) && 3688 ha->port_down_retry_count > 3) 3689 ha->login_retry_count = ha->port_down_retry_count; 3690 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 3691 ha->login_retry_count = ha->port_down_retry_count; 3692 if (ql2xloginretrycount) 3693 ha->login_retry_count = ql2xloginretrycount; 3694 3695 /* Enable ZIO. */ 3696 if (!ha->flags.init_done) { 3697 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 3698 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 3699 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 3700 le16_to_cpu(icb->interrupt_delay_timer): 2; 3701 } 3702 icb->firmware_options_2 &= __constant_cpu_to_le32( 3703 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 3704 ha->flags.process_response_queue = 0; 3705 if (ha->zio_mode != QLA_ZIO_DISABLED) { 3706 ha->zio_mode = QLA_ZIO_MODE_6; 3707 3708 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay " 3709 "(%d us).\n", ha->host_no, ha->zio_mode, 3710 ha->zio_timer * 100)); 3711 qla_printk(KERN_INFO, ha, 3712 "ZIO mode %d enabled; timer delay (%d us).\n", 3713 ha->zio_mode, ha->zio_timer * 100); 3714 3715 icb->firmware_options_2 |= cpu_to_le32( 3716 (uint32_t)ha->zio_mode); 3717 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 3718 ha->flags.process_response_queue = 1; 3719 } 3720 3721 if (rval) { 3722 DEBUG2_3(printk(KERN_WARNING 3723 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 3724 } 3725 return (rval); 3726} 3727 3728static int 3729qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3730{ 3731 int rval; 3732 int segments, fragment; 3733 uint32_t faddr; 3734 uint32_t *dcode, dlen; 3735 uint32_t risc_addr; 3736 uint32_t risc_size; 3737 uint32_t i; 3738 3739 rval = QLA_SUCCESS; 3740 3741 segments = FA_RISC_CODE_SEGMENTS; 3742 faddr = FA_RISC_CODE_ADDR; 3743 dcode = (uint32_t *)ha->request_ring; 3744 *srisc_addr = 0; 3745 3746 /* Validate firmware image by checking version. */ 3747 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); 3748 for (i = 0; i < 4; i++) 3749 dcode[i] = be32_to_cpu(dcode[i]); 3750 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3751 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3752 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3753 dcode[3] == 0)) { 3754 qla_printk(KERN_WARNING, ha, 3755 "Unable to verify integrity of flash firmware image!\n"); 3756 qla_printk(KERN_WARNING, ha, 3757 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3758 dcode[1], dcode[2], dcode[3]); 3759 3760 return QLA_FUNCTION_FAILED; 3761 } 3762 3763 while (segments && rval == QLA_SUCCESS) { 3764 /* Read segment's load information. */ 3765 qla24xx_read_flash_data(ha, dcode, faddr, 4); 3766 3767 risc_addr = be32_to_cpu(dcode[2]); 3768 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3769 risc_size = be32_to_cpu(dcode[3]); 3770 3771 fragment = 0; 3772 while (risc_size > 0 && rval == QLA_SUCCESS) { 3773 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3774 if (dlen > risc_size) 3775 dlen = risc_size; 3776 3777 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3778 "addr %x, number of dwords 0x%x, offset 0x%x.\n", 3779 ha->host_no, risc_addr, dlen, faddr)); 3780 3781 qla24xx_read_flash_data(ha, dcode, faddr, dlen); 3782 for (i = 0; i < dlen; i++) 3783 dcode[i] = swab32(dcode[i]); 3784 3785 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3786 dlen); 3787 if (rval) { 3788 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3789 "segment %d of firmware\n", ha->host_no, 3790 fragment)); 3791 qla_printk(KERN_WARNING, ha, 3792 "[ERROR] Failed to load segment %d of " 3793 "firmware\n", fragment); 3794 break; 3795 } 3796 3797 faddr += dlen; 3798 risc_addr += dlen; 3799 risc_size -= dlen; 3800 fragment++; 3801 } 3802 3803 /* Next segment. */ 3804 segments--; 3805 } 3806 3807 return rval; 3808} 3809 3810#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/" 3811 3812int 3813qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3814{ 3815 int rval; 3816 int i, fragment; 3817 uint16_t *wcode, *fwcode; 3818 uint32_t risc_addr, risc_size, fwclen, wlen, *seg; 3819 struct fw_blob *blob; 3820 3821 /* Load firmware blob. */ 3822 blob = qla2x00_request_firmware(ha); 3823 if (!blob) { 3824 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3825 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3826 "from: " QLA_FW_URL ".\n"); 3827 return QLA_FUNCTION_FAILED; 3828 } 3829 3830 rval = QLA_SUCCESS; 3831 3832 wcode = (uint16_t *)ha->request_ring; 3833 *srisc_addr = 0; 3834 fwcode = (uint16_t *)blob->fw->data; 3835 fwclen = 0; 3836 3837 /* Validate firmware image by checking version. */ 3838 if (blob->fw->size < 8 * sizeof(uint16_t)) { 3839 qla_printk(KERN_WARNING, ha, 3840 "Unable to verify integrity of firmware image (%Zd)!\n", 3841 blob->fw->size); 3842 goto fail_fw_integrity; 3843 } 3844 for (i = 0; i < 4; i++) 3845 wcode[i] = be16_to_cpu(fwcode[i + 4]); 3846 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && 3847 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && 3848 wcode[2] == 0 && wcode[3] == 0)) { 3849 qla_printk(KERN_WARNING, ha, 3850 "Unable to verify integrity of firmware image!\n"); 3851 qla_printk(KERN_WARNING, ha, 3852 "Firmware data: %04x %04x %04x %04x!\n", wcode[0], 3853 wcode[1], wcode[2], wcode[3]); 3854 goto fail_fw_integrity; 3855 } 3856 3857 seg = blob->segs; 3858 while (*seg && rval == QLA_SUCCESS) { 3859 risc_addr = *seg; 3860 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; 3861 risc_size = be16_to_cpu(fwcode[3]); 3862 3863 /* Validate firmware image size. */ 3864 fwclen += risc_size * sizeof(uint16_t); 3865 if (blob->fw->size < fwclen) { 3866 qla_printk(KERN_WARNING, ha, 3867 "Unable to verify integrity of firmware image " 3868 "(%Zd)!\n", blob->fw->size); 3869 goto fail_fw_integrity; 3870 } 3871 3872 fragment = 0; 3873 while (risc_size > 0 && rval == QLA_SUCCESS) { 3874 wlen = (uint16_t)(ha->fw_transfer_size >> 1); 3875 if (wlen > risc_size) 3876 wlen = risc_size; 3877 3878 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3879 "addr %x, number of words 0x%x.\n", ha->host_no, 3880 risc_addr, wlen)); 3881 3882 for (i = 0; i < wlen; i++) 3883 wcode[i] = swab16(fwcode[i]); 3884 3885 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3886 wlen); 3887 if (rval) { 3888 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3889 "segment %d of firmware\n", ha->host_no, 3890 fragment)); 3891 qla_printk(KERN_WARNING, ha, 3892 "[ERROR] Failed to load segment %d of " 3893 "firmware\n", fragment); 3894 break; 3895 } 3896 3897 fwcode += wlen; 3898 risc_addr += wlen; 3899 risc_size -= wlen; 3900 fragment++; 3901 } 3902 3903 /* Next segment. */ 3904 seg++; 3905 } 3906 return rval; 3907 3908fail_fw_integrity: 3909 return QLA_FUNCTION_FAILED; 3910} 3911 3912int 3913qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3914{ 3915 int rval; 3916 int segments, fragment; 3917 uint32_t *dcode, dlen; 3918 uint32_t risc_addr; 3919 uint32_t risc_size; 3920 uint32_t i; 3921 struct fw_blob *blob; 3922 uint32_t *fwcode, fwclen; 3923 3924 /* Load firmware blob. */ 3925 blob = qla2x00_request_firmware(ha); 3926 if (!blob) { 3927 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3928 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3929 "from: " QLA_FW_URL ".\n"); 3930 3931 /* Try to load RISC code from flash. */ 3932 qla_printk(KERN_ERR, ha, "Attempting to load (potentially " 3933 "outdated) firmware from flash.\n"); 3934 return qla24xx_load_risc_flash(ha, srisc_addr); 3935 } 3936 3937 rval = QLA_SUCCESS; 3938 3939 segments = FA_RISC_CODE_SEGMENTS; 3940 dcode = (uint32_t *)ha->request_ring; 3941 *srisc_addr = 0; 3942 fwcode = (uint32_t *)blob->fw->data; 3943 fwclen = 0; 3944 3945 /* Validate firmware image by checking version. */ 3946 if (blob->fw->size < 8 * sizeof(uint32_t)) { 3947 qla_printk(KERN_WARNING, ha, 3948 "Unable to verify integrity of firmware image (%Zd)!\n", 3949 blob->fw->size); 3950 goto fail_fw_integrity; 3951 } 3952 for (i = 0; i < 4; i++) 3953 dcode[i] = be32_to_cpu(fwcode[i + 4]); 3954 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3955 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3956 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3957 dcode[3] == 0)) { 3958 qla_printk(KERN_WARNING, ha, 3959 "Unable to verify integrity of firmware image!\n"); 3960 qla_printk(KERN_WARNING, ha, 3961 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3962 dcode[1], dcode[2], dcode[3]); 3963 goto fail_fw_integrity; 3964 } 3965 3966 while (segments && rval == QLA_SUCCESS) { 3967 risc_addr = be32_to_cpu(fwcode[2]); 3968 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3969 risc_size = be32_to_cpu(fwcode[3]); 3970 3971 /* Validate firmware image size. */ 3972 fwclen += risc_size * sizeof(uint32_t); 3973 if (blob->fw->size < fwclen) { 3974 qla_printk(KERN_WARNING, ha, 3975 "Unable to verify integrity of firmware image " 3976 "(%Zd)!\n", blob->fw->size); 3977 3978 goto fail_fw_integrity; 3979 } 3980 3981 fragment = 0; 3982 while (risc_size > 0 && rval == QLA_SUCCESS) { 3983 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3984 if (dlen > risc_size) 3985 dlen = risc_size; 3986 3987 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3988 "addr %x, number of dwords 0x%x.\n", ha->host_no, 3989 risc_addr, dlen)); 3990 3991 for (i = 0; i < dlen; i++) 3992 dcode[i] = swab32(fwcode[i]); 3993 3994 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3995 dlen); 3996 if (rval) { 3997 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3998 "segment %d of firmware\n", ha->host_no, 3999 fragment)); 4000 qla_printk(KERN_WARNING, ha, 4001 "[ERROR] Failed to load segment %d of " 4002 "firmware\n", fragment); 4003 break; 4004 } 4005 4006 fwcode += dlen; 4007 risc_addr += dlen; 4008 risc_size -= dlen; 4009 fragment++; 4010 } 4011 4012 /* Next segment. */ 4013 segments--; 4014 } 4015 return rval; 4016 4017fail_fw_integrity: 4018 return QLA_FUNCTION_FAILED; 4019} 4020 4021void 4022qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha) 4023{ 4024 int ret, retries; 4025 4026 if (!IS_FWI2_CAPABLE(ha)) 4027 return; 4028 if (!ha->fw_major_version) 4029 return; 4030 4031 ret = qla2x00_stop_firmware(ha); 4032 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT && 4033 retries ; retries--) { 4034 qla2x00_reset_chip(ha); 4035 if (qla2x00_chip_diag(ha) != QLA_SUCCESS) 4036 continue; 4037 if (qla2x00_setup_chip(ha) != QLA_SUCCESS) 4038 continue; 4039 qla_printk(KERN_INFO, ha, 4040 "Attempting retry of stop-firmware command...\n"); 4041 ret = qla2x00_stop_firmware(ha); 4042 } 4043} 4044 4045int 4046qla24xx_configure_vhba(scsi_qla_host_t *ha) 4047{ 4048 int rval = QLA_SUCCESS; 4049 uint16_t mb[MAILBOX_REGISTER_COUNT]; 4050 4051 if (!ha->parent) 4052 return -EINVAL; 4053 4054 rval = qla2x00_fw_ready(ha); 4055 if (rval == QLA_SUCCESS) { 4056 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 4057 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 4058 } 4059 4060 ha->flags.management_server_logged_in = 0; 4061 4062 /* Login to SNS first */ 4063 qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc, 4064 mb, BIT_1); 4065 if (mb[0] != MBS_COMMAND_COMPLETE) { 4066 DEBUG15(qla_printk(KERN_INFO, ha, 4067 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 4068 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS, 4069 mb[0], mb[1], mb[2], mb[6], mb[7])); 4070 return (QLA_FUNCTION_FAILED); 4071 } 4072 4073 atomic_set(&ha->loop_down_timer, 0); 4074 atomic_set(&ha->loop_state, LOOP_UP); 4075 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 4076 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 4077 rval = qla2x00_loop_resync(ha); 4078 4079 return rval; 4080} 4081