1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2005 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 */ 29 static int qla2x00_isp_firmware(scsi_qla_host_t *); 30 static void qla2x00_resize_request_q(scsi_qla_host_t *); 31 static int qla2x00_setup_chip(scsi_qla_host_t *); 32 static void qla2x00_init_response_q_entries(scsi_qla_host_t *); 33 static int qla2x00_init_rings(scsi_qla_host_t *); 34 static int qla2x00_fw_ready(scsi_qla_host_t *); 35 static int qla2x00_configure_hba(scsi_qla_host_t *); 36 static int qla2x00_configure_loop(scsi_qla_host_t *); 37 static int qla2x00_configure_local_loop(scsi_qla_host_t *); 38 static int qla2x00_configure_fabric(scsi_qla_host_t *); 39 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); 40 static int qla2x00_device_resync(scsi_qla_host_t *); 41 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, 42 uint16_t *); 43 44 static int qla2x00_restart_isp(scsi_qla_host_t *); 45 46 static 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 */ 62 int 63 qla2x00_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 */ 129 int 130 qla2100_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 */ 163 int 164 qla2300_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 */ 248 int 249 qla24xx_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 */ 295 int 296 qla25xx_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 */ 329 static int 330 qla2x00_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 */ 360 void 361 qla2x00_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 */ 500 static inline void 501 qla24xx_reset_risc(scsi_qla_host_t *ha) 502 { 503 unsigned long flags = 0; 504 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 505 uint32_t cnt, d2; 506 uint16_t wd; 507 508 spin_lock_irqsave(&ha->hardware_lock, flags); 509 510 /* Reset RISC. */ 511 WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 512 for (cnt = 0; cnt < 30000; cnt++) { 513 if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) 514 break; 515 516 udelay(10); 517 } 518 519 WRT_REG_DWORD(®->ctrl_status, 520 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 521 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd); 522 523 udelay(100); 524 /* Wait for firmware to complete NVRAM accesses. */ 525 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 526 for (cnt = 10000 ; cnt && d2; cnt--) { 527 udelay(5); 528 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 529 barrier(); 530 } 531 532 /* Wait for soft-reset to complete. */ 533 d2 = RD_REG_DWORD(®->ctrl_status); 534 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) { 535 udelay(5); 536 d2 = RD_REG_DWORD(®->ctrl_status); 537 barrier(); 538 } 539 540 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 541 RD_REG_DWORD(®->hccr); 542 543 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 544 RD_REG_DWORD(®->hccr); 545 546 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET); 547 RD_REG_DWORD(®->hccr); 548 549 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 550 for (cnt = 6000000 ; cnt && d2; cnt--) { 551 udelay(5); 552 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 553 barrier(); 554 } 555 556 spin_unlock_irqrestore(&ha->hardware_lock, flags); 557 } 558 559 /** 560 * qla24xx_reset_chip() - Reset ISP24xx chip. 561 * @ha: HA context 562 * 563 * Returns 0 on success. 564 */ 565 void 566 qla24xx_reset_chip(scsi_qla_host_t *ha) 567 { 568 ha->isp_ops->disable_intrs(ha); 569 570 /* Perform RISC reset. */ 571 qla24xx_reset_risc(ha); 572 } 573 574 /** 575 * qla2x00_chip_diag() - Test chip for proper operation. 576 * @ha: HA context 577 * 578 * Returns 0 on success. 579 */ 580 int 581 qla2x00_chip_diag(scsi_qla_host_t *ha) 582 { 583 int rval; 584 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 585 unsigned long flags = 0; 586 uint16_t data; 587 uint32_t cnt; 588 uint16_t mb[5]; 589 590 /* Assume a failed state */ 591 rval = QLA_FUNCTION_FAILED; 592 593 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", 594 ha->host_no, (u_long)®->flash_address)); 595 596 spin_lock_irqsave(&ha->hardware_lock, flags); 597 598 /* Reset ISP chip. */ 599 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 600 601 /* 602 * We need to have a delay here since the card will not respond while 603 * in reset causing an MCA on some architectures. 604 */ 605 udelay(20); 606 data = qla2x00_debounce_register(®->ctrl_status); 607 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { 608 udelay(5); 609 data = RD_REG_WORD(®->ctrl_status); 610 barrier(); 611 } 612 613 if (!cnt) 614 goto chip_diag_failed; 615 616 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", 617 ha->host_no)); 618 619 /* Reset RISC processor. */ 620 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 621 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 622 623 /* Workaround for QLA2312 PCI parity error */ 624 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 625 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); 626 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { 627 udelay(5); 628 data = RD_MAILBOX_REG(ha, reg, 0); 629 barrier(); 630 } 631 } else 632 udelay(10); 633 634 if (!cnt) 635 goto chip_diag_failed; 636 637 /* Check product ID of chip */ 638 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); 639 640 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 641 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 642 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 643 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); 644 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || 645 mb[3] != PROD_ID_3) { 646 qla_printk(KERN_WARNING, ha, 647 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); 648 649 goto chip_diag_failed; 650 } 651 ha->product_id[0] = mb[1]; 652 ha->product_id[1] = mb[2]; 653 ha->product_id[2] = mb[3]; 654 ha->product_id[3] = mb[4]; 655 656 /* Adjust fw RISC transfer size */ 657 if (ha->request_q_length > 1024) 658 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 659 else 660 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 661 ha->request_q_length; 662 663 if (IS_QLA2200(ha) && 664 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { 665 /* Limit firmware transfer size with a 2200A */ 666 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", 667 ha->host_no)); 668 669 ha->device_type |= DT_ISP2200A; 670 ha->fw_transfer_size = 128; 671 } 672 673 /* Wrap Incoming Mailboxes Test. */ 674 spin_unlock_irqrestore(&ha->hardware_lock, flags); 675 676 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); 677 rval = qla2x00_mbx_reg_test(ha); 678 if (rval) { 679 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 680 ha->host_no)); 681 qla_printk(KERN_WARNING, ha, 682 "Failed mailbox send register test\n"); 683 } 684 else { 685 /* Flag a successful rval */ 686 rval = QLA_SUCCESS; 687 } 688 spin_lock_irqsave(&ha->hardware_lock, flags); 689 690 chip_diag_failed: 691 if (rval) 692 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " 693 "****\n", ha->host_no)); 694 695 spin_unlock_irqrestore(&ha->hardware_lock, flags); 696 697 return (rval); 698 } 699 700 /** 701 * qla24xx_chip_diag() - Test ISP24xx for proper operation. 702 * @ha: HA context 703 * 704 * Returns 0 on success. 705 */ 706 int 707 qla24xx_chip_diag(scsi_qla_host_t *ha) 708 { 709 int rval; 710 711 /* Perform RISC reset. */ 712 qla24xx_reset_risc(ha); 713 714 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 715 716 rval = qla2x00_mbx_reg_test(ha); 717 if (rval) { 718 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 719 ha->host_no)); 720 qla_printk(KERN_WARNING, ha, 721 "Failed mailbox send register test\n"); 722 } else { 723 /* Flag a successful rval */ 724 rval = QLA_SUCCESS; 725 } 726 727 return rval; 728 } 729 730 void 731 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) 732 { 733 int rval; 734 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size, 735 eft_size; 736 dma_addr_t eft_dma; 737 void *eft; 738 739 if (ha->fw_dump) { 740 qla_printk(KERN_WARNING, ha, 741 "Firmware dump previously allocated.\n"); 742 return; 743 } 744 745 ha->fw_dumped = 0; 746 fixed_size = mem_size = eft_size = 0; 747 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 748 fixed_size = sizeof(struct qla2100_fw_dump); 749 } else if (IS_QLA23XX(ha)) { 750 fixed_size = offsetof(struct qla2300_fw_dump, data_ram); 751 mem_size = (ha->fw_memory_size - 0x11000 + 1) * 752 sizeof(uint16_t); 753 } else if (IS_FWI2_CAPABLE(ha)) { 754 fixed_size = IS_QLA25XX(ha) ? 755 offsetof(struct qla25xx_fw_dump, ext_mem): 756 offsetof(struct qla24xx_fw_dump, ext_mem); 757 mem_size = (ha->fw_memory_size - 0x100000 + 1) * 758 sizeof(uint32_t); 759 760 /* Allocate memory for Extended Trace Buffer. */ 761 eft = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &eft_dma, 762 GFP_KERNEL); 763 if (!eft) { 764 qla_printk(KERN_WARNING, ha, "Unable to allocate " 765 "(%d KB) for EFT.\n", EFT_SIZE / 1024); 766 goto cont_alloc; 767 } 768 769 rval = qla2x00_trace_control(ha, TC_ENABLE, eft_dma, 770 EFT_NUM_BUFFERS); 771 if (rval) { 772 qla_printk(KERN_WARNING, ha, "Unable to initialize " 773 "EFT (%d).\n", rval); 774 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, eft, 775 eft_dma); 776 goto cont_alloc; 777 } 778 779 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n", 780 EFT_SIZE / 1024); 781 782 eft_size = EFT_SIZE; 783 memset(eft, 0, eft_size); 784 ha->eft_dma = eft_dma; 785 ha->eft = eft; 786 } 787 cont_alloc: 788 req_q_size = ha->request_q_length * sizeof(request_t); 789 rsp_q_size = ha->response_q_length * sizeof(response_t); 790 791 dump_size = offsetof(struct qla2xxx_fw_dump, isp); 792 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + 793 eft_size; 794 795 ha->fw_dump = vmalloc(dump_size); 796 if (!ha->fw_dump) { 797 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for " 798 "firmware dump!!!\n", dump_size / 1024); 799 800 if (ha->eft) { 801 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft, 802 ha->eft_dma); 803 ha->eft = NULL; 804 ha->eft_dma = 0; 805 } 806 return; 807 } 808 809 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n", 810 dump_size / 1024); 811 812 ha->fw_dump_len = dump_size; 813 ha->fw_dump->signature[0] = 'Q'; 814 ha->fw_dump->signature[1] = 'L'; 815 ha->fw_dump->signature[2] = 'G'; 816 ha->fw_dump->signature[3] = 'C'; 817 ha->fw_dump->version = __constant_htonl(1); 818 819 ha->fw_dump->fixed_size = htonl(fixed_size); 820 ha->fw_dump->mem_size = htonl(mem_size); 821 ha->fw_dump->req_q_size = htonl(req_q_size); 822 ha->fw_dump->rsp_q_size = htonl(rsp_q_size); 823 824 ha->fw_dump->eft_size = htonl(eft_size); 825 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma)); 826 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma)); 827 828 ha->fw_dump->header_size = 829 htonl(offsetof(struct qla2xxx_fw_dump, isp)); 830 } 831 832 /** 833 * qla2x00_resize_request_q() - Resize request queue given available ISP memory. 834 * @ha: HA context 835 * 836 * Returns 0 on success. 837 */ 838 static void 839 qla2x00_resize_request_q(scsi_qla_host_t *ha) 840 { 841 int rval; 842 uint16_t fw_iocb_cnt = 0; 843 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; 844 dma_addr_t request_dma; 845 request_t *request_ring; 846 847 /* Valid only on recent ISPs. */ 848 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 849 return; 850 851 /* Retrieve IOCB counts available to the firmware. */ 852 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt, 853 &ha->max_npiv_vports); 854 if (rval) 855 return; 856 /* No point in continuing if current settings are sufficient. */ 857 if (fw_iocb_cnt < 1024) 858 return; 859 if (ha->request_q_length >= request_q_length) 860 return; 861 862 /* Attempt to claim larger area for request queue. */ 863 request_ring = dma_alloc_coherent(&ha->pdev->dev, 864 (request_q_length + 1) * sizeof(request_t), &request_dma, 865 GFP_KERNEL); 866 if (request_ring == NULL) 867 return; 868 869 /* Resize successful, report extensions. */ 870 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", 871 (ha->fw_memory_size + 1) / 1024); 872 qla_printk(KERN_INFO, ha, "Resizing request queue depth " 873 "(%d -> %d)...\n", ha->request_q_length, request_q_length); 874 875 /* Clear old allocations. */ 876 dma_free_coherent(&ha->pdev->dev, 877 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, 878 ha->request_dma); 879 880 /* Begin using larger queue. */ 881 ha->request_q_length = request_q_length; 882 ha->request_ring = request_ring; 883 ha->request_dma = request_dma; 884 } 885 886 /** 887 * qla2x00_setup_chip() - Load and start RISC firmware. 888 * @ha: HA context 889 * 890 * Returns 0 on success. 891 */ 892 static int 893 qla2x00_setup_chip(scsi_qla_host_t *ha) 894 { 895 int rval; 896 uint32_t srisc_address = 0; 897 898 /* Load firmware sequences */ 899 rval = ha->isp_ops->load_risc(ha, &srisc_address); 900 if (rval == QLA_SUCCESS) { 901 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " 902 "code.\n", ha->host_no)); 903 904 rval = qla2x00_verify_checksum(ha, srisc_address); 905 if (rval == QLA_SUCCESS) { 906 /* Start firmware execution. */ 907 DEBUG(printk("scsi(%ld): Checksum OK, start " 908 "firmware.\n", ha->host_no)); 909 910 rval = qla2x00_execute_fw(ha, srisc_address); 911 /* Retrieve firmware information. */ 912 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { 913 qla2x00_get_fw_version(ha, 914 &ha->fw_major_version, 915 &ha->fw_minor_version, 916 &ha->fw_subminor_version, 917 &ha->fw_attributes, &ha->fw_memory_size); 918 qla2x00_resize_request_q(ha); 919 ha->flags.npiv_supported = 0; 920 if ((IS_QLA24XX(ha) || IS_QLA25XX(ha)) && 921 (ha->fw_attributes & BIT_2)) { 922 ha->flags.npiv_supported = 1; 923 if ((!ha->max_npiv_vports) || 924 ((ha->max_npiv_vports + 1) % 925 MAX_MULTI_ID_FABRIC)) 926 ha->max_npiv_vports = 927 MAX_NUM_VPORT_FABRIC; 928 } 929 930 if (ql2xallocfwdump) 931 qla2x00_alloc_fw_dump(ha); 932 } 933 } else { 934 DEBUG2(printk(KERN_INFO 935 "scsi(%ld): ISP Firmware failed checksum.\n", 936 ha->host_no)); 937 } 938 } 939 940 if (rval) { 941 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", 942 ha->host_no)); 943 } 944 945 return (rval); 946 } 947 948 /** 949 * qla2x00_init_response_q_entries() - Initializes response queue entries. 950 * @ha: HA context 951 * 952 * Beginning of request ring has initialization control block already built 953 * by nvram config routine. 954 * 955 * Returns 0 on success. 956 */ 957 static void 958 qla2x00_init_response_q_entries(scsi_qla_host_t *ha) 959 { 960 uint16_t cnt; 961 response_t *pkt; 962 963 pkt = ha->response_ring_ptr; 964 for (cnt = 0; cnt < ha->response_q_length; cnt++) { 965 pkt->signature = RESPONSE_PROCESSED; 966 pkt++; 967 } 968 969 } 970 971 /** 972 * qla2x00_update_fw_options() - Read and process firmware options. 973 * @ha: HA context 974 * 975 * Returns 0 on success. 976 */ 977 void 978 qla2x00_update_fw_options(scsi_qla_host_t *ha) 979 { 980 uint16_t swing, emphasis, tx_sens, rx_sens; 981 982 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 983 qla2x00_get_fw_options(ha, ha->fw_options); 984 985 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 986 return; 987 988 /* Serial Link options. */ 989 DEBUG3(printk("scsi(%ld): Serial link options:\n", 990 ha->host_no)); 991 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, 992 sizeof(ha->fw_seriallink_options))); 993 994 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 995 if (ha->fw_seriallink_options[3] & BIT_2) { 996 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 997 998 /* 1G settings */ 999 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 1000 emphasis = (ha->fw_seriallink_options[2] & 1001 (BIT_4 | BIT_3)) >> 3; 1002 tx_sens = ha->fw_seriallink_options[0] & 1003 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1004 rx_sens = (ha->fw_seriallink_options[0] & 1005 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 1006 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 1007 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 1008 if (rx_sens == 0x0) 1009 rx_sens = 0x3; 1010 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 1011 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1012 ha->fw_options[10] |= BIT_5 | 1013 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1014 (tx_sens & (BIT_1 | BIT_0)); 1015 1016 /* 2G settings */ 1017 swing = (ha->fw_seriallink_options[2] & 1018 (BIT_7 | BIT_6 | BIT_5)) >> 5; 1019 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 1020 tx_sens = ha->fw_seriallink_options[1] & 1021 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1022 rx_sens = (ha->fw_seriallink_options[1] & 1023 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 1024 ha->fw_options[11] = (emphasis << 14) | (swing << 8); 1025 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 1026 if (rx_sens == 0x0) 1027 rx_sens = 0x3; 1028 ha->fw_options[11] |= (tx_sens << 4) | rx_sens; 1029 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1030 ha->fw_options[11] |= BIT_5 | 1031 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1032 (tx_sens & (BIT_1 | BIT_0)); 1033 } 1034 1035 /* FCP2 options. */ 1036 /* Return command IOCBs without waiting for an ABTS to complete. */ 1037 ha->fw_options[3] |= BIT_13; 1038 1039 /* LED scheme. */ 1040 if (ha->flags.enable_led_scheme) 1041 ha->fw_options[2] |= BIT_12; 1042 1043 /* Detect ISP6312. */ 1044 if (IS_QLA6312(ha)) 1045 ha->fw_options[2] |= BIT_13; 1046 1047 /* Update firmware options. */ 1048 qla2x00_set_fw_options(ha, ha->fw_options); 1049 } 1050 1051 void 1052 qla24xx_update_fw_options(scsi_qla_host_t *ha) 1053 { 1054 int rval; 1055 1056 /* Update Serial Link options. */ 1057 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0) 1058 return; 1059 1060 rval = qla2x00_set_serdes_params(ha, 1061 le16_to_cpu(ha->fw_seriallink_options24[1]), 1062 le16_to_cpu(ha->fw_seriallink_options24[2]), 1063 le16_to_cpu(ha->fw_seriallink_options24[3])); 1064 if (rval != QLA_SUCCESS) { 1065 qla_printk(KERN_WARNING, ha, 1066 "Unable to update Serial Link options (%x).\n", rval); 1067 } 1068 } 1069 1070 void 1071 qla2x00_config_rings(struct scsi_qla_host *ha) 1072 { 1073 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1074 1075 /* Setup ring parameters in initialization control block. */ 1076 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); 1077 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); 1078 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); 1079 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); 1080 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1081 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1082 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1083 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1084 1085 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); 1086 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); 1087 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); 1088 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); 1089 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 1090 } 1091 1092 void 1093 qla24xx_config_rings(struct scsi_qla_host *ha) 1094 { 1095 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1096 struct init_cb_24xx *icb; 1097 1098 /* Setup ring parameters in initialization control block. */ 1099 icb = (struct init_cb_24xx *)ha->init_cb; 1100 icb->request_q_outpointer = __constant_cpu_to_le16(0); 1101 icb->response_q_inpointer = __constant_cpu_to_le16(0); 1102 icb->request_q_length = cpu_to_le16(ha->request_q_length); 1103 icb->response_q_length = cpu_to_le16(ha->response_q_length); 1104 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1105 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1106 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1107 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1108 1109 WRT_REG_DWORD(®->req_q_in, 0); 1110 WRT_REG_DWORD(®->req_q_out, 0); 1111 WRT_REG_DWORD(®->rsp_q_in, 0); 1112 WRT_REG_DWORD(®->rsp_q_out, 0); 1113 RD_REG_DWORD(®->rsp_q_out); 1114 } 1115 1116 /** 1117 * qla2x00_init_rings() - Initializes firmware. 1118 * @ha: HA context 1119 * 1120 * Beginning of request ring has initialization control block already built 1121 * by nvram config routine. 1122 * 1123 * Returns 0 on success. 1124 */ 1125 static int 1126 qla2x00_init_rings(scsi_qla_host_t *ha) 1127 { 1128 int rval; 1129 unsigned long flags = 0; 1130 int cnt; 1131 struct mid_init_cb_24xx *mid_init_cb = 1132 (struct mid_init_cb_24xx *) ha->init_cb; 1133 1134 spin_lock_irqsave(&ha->hardware_lock, flags); 1135 1136 /* Clear outstanding commands array. */ 1137 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) 1138 ha->outstanding_cmds[cnt] = NULL; 1139 1140 ha->current_outstanding_cmd = 0; 1141 1142 /* Clear RSCN queue. */ 1143 ha->rscn_in_ptr = 0; 1144 ha->rscn_out_ptr = 0; 1145 1146 /* Initialize firmware. */ 1147 ha->request_ring_ptr = ha->request_ring; 1148 ha->req_ring_index = 0; 1149 ha->req_q_cnt = ha->request_q_length; 1150 ha->response_ring_ptr = ha->response_ring; 1151 ha->rsp_ring_index = 0; 1152 1153 /* Initialize response queue entries */ 1154 qla2x00_init_response_q_entries(ha); 1155 1156 ha->isp_ops->config_rings(ha); 1157 1158 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1159 1160 /* Update any ISP specific firmware options before initialization. */ 1161 ha->isp_ops->update_fw_options(ha); 1162 1163 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); 1164 1165 mid_init_cb->count = ha->max_npiv_vports; 1166 1167 rval = qla2x00_init_firmware(ha, ha->init_cb_size); 1168 if (rval) { 1169 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", 1170 ha->host_no)); 1171 } else { 1172 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", 1173 ha->host_no)); 1174 } 1175 1176 return (rval); 1177 } 1178 1179 /** 1180 * qla2x00_fw_ready() - Waits for firmware ready. 1181 * @ha: HA context 1182 * 1183 * Returns 0 on success. 1184 */ 1185 static int 1186 qla2x00_fw_ready(scsi_qla_host_t *ha) 1187 { 1188 int rval; 1189 unsigned long wtime, mtime; 1190 uint16_t min_wait; /* Minimum wait time if loop is down */ 1191 uint16_t wait_time; /* Wait time if loop is coming ready */ 1192 uint16_t fw_state; 1193 1194 rval = QLA_SUCCESS; 1195 1196 /* 20 seconds for loop down. */ 1197 min_wait = 20; 1198 1199 /* 1200 * Firmware should take at most one RATOV to login, plus 5 seconds for 1201 * our own processing. 1202 */ 1203 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 1204 wait_time = min_wait; 1205 } 1206 1207 /* Min wait time if loop down */ 1208 mtime = jiffies + (min_wait * HZ); 1209 1210 /* wait time before firmware ready */ 1211 wtime = jiffies + (wait_time * HZ); 1212 1213 /* Wait for ISP to finish LIP */ 1214 if (!ha->flags.init_done) 1215 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); 1216 1217 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", 1218 ha->host_no)); 1219 1220 do { 1221 rval = qla2x00_get_firmware_state(ha, &fw_state); 1222 if (rval == QLA_SUCCESS) { 1223 if (fw_state < FSTATE_LOSS_OF_SYNC) { 1224 ha->device_flags &= ~DFLG_NO_CABLE; 1225 } 1226 if (fw_state == FSTATE_READY) { 1227 DEBUG(printk("scsi(%ld): F/W Ready - OK \n", 1228 ha->host_no)); 1229 1230 qla2x00_get_retry_cnt(ha, &ha->retry_count, 1231 &ha->login_timeout, &ha->r_a_tov); 1232 1233 rval = QLA_SUCCESS; 1234 break; 1235 } 1236 1237 rval = QLA_FUNCTION_FAILED; 1238 1239 if (atomic_read(&ha->loop_down_timer) && 1240 fw_state != FSTATE_READY) { 1241 /* Loop down. Timeout on min_wait for states 1242 * other than Wait for Login. 1243 */ 1244 if (time_after_eq(jiffies, mtime)) { 1245 qla_printk(KERN_INFO, ha, 1246 "Cable is unplugged...\n"); 1247 1248 ha->device_flags |= DFLG_NO_CABLE; 1249 break; 1250 } 1251 } 1252 } else { 1253 /* Mailbox cmd failed. Timeout on min_wait. */ 1254 if (time_after_eq(jiffies, mtime)) 1255 break; 1256 } 1257 1258 if (time_after_eq(jiffies, wtime)) 1259 break; 1260 1261 /* Delay for a while */ 1262 msleep(500); 1263 1264 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1265 ha->host_no, fw_state, jiffies)); 1266 } while (1); 1267 1268 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1269 ha->host_no, fw_state, jiffies)); 1270 1271 if (rval) { 1272 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", 1273 ha->host_no)); 1274 } 1275 1276 return (rval); 1277 } 1278 1279 /* 1280 * qla2x00_configure_hba 1281 * Setup adapter context. 1282 * 1283 * Input: 1284 * ha = adapter state pointer. 1285 * 1286 * Returns: 1287 * 0 = success 1288 * 1289 * Context: 1290 * Kernel context. 1291 */ 1292 static int 1293 qla2x00_configure_hba(scsi_qla_host_t *ha) 1294 { 1295 int rval; 1296 uint16_t loop_id; 1297 uint16_t topo; 1298 uint16_t sw_cap; 1299 uint8_t al_pa; 1300 uint8_t area; 1301 uint8_t domain; 1302 char connect_type[22]; 1303 1304 /* Get host addresses. */ 1305 rval = qla2x00_get_adapter_id(ha, 1306 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap); 1307 if (rval != QLA_SUCCESS) { 1308 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) || 1309 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { 1310 DEBUG2(printk("%s(%ld) Loop is in a transition state\n", 1311 __func__, ha->host_no)); 1312 } else { 1313 qla_printk(KERN_WARNING, ha, 1314 "ERROR -- Unable to get host loop ID.\n"); 1315 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 1316 } 1317 return (rval); 1318 } 1319 1320 if (topo == 4) { 1321 qla_printk(KERN_INFO, ha, 1322 "Cannot get topology - retrying.\n"); 1323 return (QLA_FUNCTION_FAILED); 1324 } 1325 1326 ha->loop_id = loop_id; 1327 1328 /* initialize */ 1329 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 1330 ha->operating_mode = LOOP; 1331 ha->switch_cap = 0; 1332 1333 switch (topo) { 1334 case 0: 1335 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", 1336 ha->host_no)); 1337 ha->current_topology = ISP_CFG_NL; 1338 strcpy(connect_type, "(Loop)"); 1339 break; 1340 1341 case 1: 1342 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", 1343 ha->host_no)); 1344 ha->switch_cap = sw_cap; 1345 ha->current_topology = ISP_CFG_FL; 1346 strcpy(connect_type, "(FL_Port)"); 1347 break; 1348 1349 case 2: 1350 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", 1351 ha->host_no)); 1352 ha->operating_mode = P2P; 1353 ha->current_topology = ISP_CFG_N; 1354 strcpy(connect_type, "(N_Port-to-N_Port)"); 1355 break; 1356 1357 case 3: 1358 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", 1359 ha->host_no)); 1360 ha->switch_cap = sw_cap; 1361 ha->operating_mode = P2P; 1362 ha->current_topology = ISP_CFG_F; 1363 strcpy(connect_type, "(F_Port)"); 1364 break; 1365 1366 default: 1367 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " 1368 "Using NL.\n", 1369 ha->host_no, topo)); 1370 ha->current_topology = ISP_CFG_NL; 1371 strcpy(connect_type, "(Loop)"); 1372 break; 1373 } 1374 1375 /* Save Host port and loop ID. */ 1376 /* byte order - Big Endian */ 1377 ha->d_id.b.domain = domain; 1378 ha->d_id.b.area = area; 1379 ha->d_id.b.al_pa = al_pa; 1380 1381 if (!ha->flags.init_done) 1382 qla_printk(KERN_INFO, ha, 1383 "Topology - %s, Host Loop address 0x%x\n", 1384 connect_type, ha->loop_id); 1385 1386 if (rval) { 1387 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); 1388 } else { 1389 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); 1390 } 1391 1392 return(rval); 1393 } 1394 1395 static inline void 1396 qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def) 1397 { 1398 char *st, *en; 1399 uint16_t index; 1400 1401 if (memcmp(model, BINZERO, len) != 0) { 1402 strncpy(ha->model_number, model, len); 1403 st = en = ha->model_number; 1404 en += len - 1; 1405 while (en > st) { 1406 if (*en != 0x20 && *en != 0x00) 1407 break; 1408 *en-- = '\0'; 1409 } 1410 1411 index = (ha->pdev->subsystem_device & 0xff); 1412 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 1413 index < QLA_MODEL_NAMES) 1414 ha->model_desc = qla2x00_model_name[index * 2 + 1]; 1415 } else { 1416 index = (ha->pdev->subsystem_device & 0xff); 1417 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 1418 index < QLA_MODEL_NAMES) { 1419 strcpy(ha->model_number, 1420 qla2x00_model_name[index * 2]); 1421 ha->model_desc = qla2x00_model_name[index * 2 + 1]; 1422 } else { 1423 strcpy(ha->model_number, def); 1424 } 1425 } 1426 } 1427 1428 /* On sparc systems, obtain port and node WWN from firmware 1429 * properties. 1430 */ 1431 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv) 1432 { 1433 #ifdef CONFIG_SPARC 1434 struct pci_dev *pdev = ha->pdev; 1435 struct device_node *dp = pci_device_to_OF_node(pdev); 1436 const u8 *val; 1437 int len; 1438 1439 val = of_get_property(dp, "port-wwn", &len); 1440 if (val && len >= WWN_SIZE) 1441 memcpy(nv->port_name, val, WWN_SIZE); 1442 1443 val = of_get_property(dp, "node-wwn", &len); 1444 if (val && len >= WWN_SIZE) 1445 memcpy(nv->node_name, val, WWN_SIZE); 1446 #endif 1447 } 1448 1449 /* 1450 * NVRAM configuration for ISP 2xxx 1451 * 1452 * Input: 1453 * ha = adapter block pointer. 1454 * 1455 * Output: 1456 * initialization control block in response_ring 1457 * host adapters parameters in host adapter block 1458 * 1459 * Returns: 1460 * 0 = success. 1461 */ 1462 int 1463 qla2x00_nvram_config(scsi_qla_host_t *ha) 1464 { 1465 int rval; 1466 uint8_t chksum = 0; 1467 uint16_t cnt; 1468 uint8_t *dptr1, *dptr2; 1469 init_cb_t *icb = ha->init_cb; 1470 nvram_t *nv = ha->nvram; 1471 uint8_t *ptr = ha->nvram; 1472 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1473 1474 rval = QLA_SUCCESS; 1475 1476 /* Determine NVRAM starting address. */ 1477 ha->nvram_size = sizeof(nvram_t); 1478 ha->nvram_base = 0; 1479 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 1480 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) 1481 ha->nvram_base = 0x80; 1482 1483 /* Get NVRAM data and calculate checksum. */ 1484 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size); 1485 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 1486 chksum += *ptr++; 1487 1488 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 1489 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); 1490 1491 /* Bad NVRAM data, set defaults parameters. */ 1492 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || 1493 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { 1494 /* Reset NVRAM data. */ 1495 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 1496 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 1497 nv->nvram_version); 1498 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 1499 "invalid -- WWPN) defaults.\n"); 1500 1501 /* 1502 * Set default initialization control block. 1503 */ 1504 memset(nv, 0, ha->nvram_size); 1505 nv->parameter_block_version = ICB_VERSION; 1506 1507 if (IS_QLA23XX(ha)) { 1508 nv->firmware_options[0] = BIT_2 | BIT_1; 1509 nv->firmware_options[1] = BIT_7 | BIT_5; 1510 nv->add_firmware_options[0] = BIT_5; 1511 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1512 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1513 nv->special_options[1] = BIT_7; 1514 } else if (IS_QLA2200(ha)) { 1515 nv->firmware_options[0] = BIT_2 | BIT_1; 1516 nv->firmware_options[1] = BIT_7 | BIT_5; 1517 nv->add_firmware_options[0] = BIT_5; 1518 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1519 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1520 } else if (IS_QLA2100(ha)) { 1521 nv->firmware_options[0] = BIT_3 | BIT_1; 1522 nv->firmware_options[1] = BIT_5; 1523 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1524 } 1525 1526 nv->max_iocb_allocation = __constant_cpu_to_le16(256); 1527 nv->execution_throttle = __constant_cpu_to_le16(16); 1528 nv->retry_count = 8; 1529 nv->retry_delay = 1; 1530 1531 nv->port_name[0] = 33; 1532 nv->port_name[3] = 224; 1533 nv->port_name[4] = 139; 1534 1535 qla2xxx_nvram_wwn_from_ofw(ha, nv); 1536 1537 nv->login_timeout = 4; 1538 1539 /* 1540 * Set default host adapter parameters 1541 */ 1542 nv->host_p[1] = BIT_2; 1543 nv->reset_delay = 5; 1544 nv->port_down_retry_count = 8; 1545 nv->max_luns_per_target = __constant_cpu_to_le16(8); 1546 nv->link_down_timeout = 60; 1547 1548 rval = 1; 1549 } 1550 1551 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) 1552 /* 1553 * The SN2 does not provide BIOS emulation which means you can't change 1554 * potentially bogus BIOS settings. Force the use of default settings 1555 * for link rate and frame size. Hope that the rest of the settings 1556 * are valid. 1557 */ 1558 if (ia64_platform_is("sn2")) { 1559 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1560 if (IS_QLA23XX(ha)) 1561 nv->special_options[1] = BIT_7; 1562 } 1563 #endif 1564 1565 /* Reset Initialization control block */ 1566 memset(icb, 0, ha->init_cb_size); 1567 1568 /* 1569 * Setup driver NVRAM options. 1570 */ 1571 nv->firmware_options[0] |= (BIT_6 | BIT_1); 1572 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 1573 nv->firmware_options[1] |= (BIT_5 | BIT_0); 1574 nv->firmware_options[1] &= ~BIT_4; 1575 1576 if (IS_QLA23XX(ha)) { 1577 nv->firmware_options[0] |= BIT_2; 1578 nv->firmware_options[0] &= ~BIT_3; 1579 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 1580 1581 if (IS_QLA2300(ha)) { 1582 if (ha->fb_rev == FPM_2310) { 1583 strcpy(ha->model_number, "QLA2310"); 1584 } else { 1585 strcpy(ha->model_number, "QLA2300"); 1586 } 1587 } else { 1588 qla2x00_set_model_info(ha, nv->model_number, 1589 sizeof(nv->model_number), "QLA23xx"); 1590 } 1591 } else if (IS_QLA2200(ha)) { 1592 nv->firmware_options[0] |= BIT_2; 1593 /* 1594 * 'Point-to-point preferred, else loop' is not a safe 1595 * connection mode setting. 1596 */ 1597 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 1598 (BIT_5 | BIT_4)) { 1599 /* Force 'loop preferred, else point-to-point'. */ 1600 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 1601 nv->add_firmware_options[0] |= BIT_5; 1602 } 1603 strcpy(ha->model_number, "QLA22xx"); 1604 } else /*if (IS_QLA2100(ha))*/ { 1605 strcpy(ha->model_number, "QLA2100"); 1606 } 1607 1608 /* 1609 * Copy over NVRAM RISC parameter block to initialization control block. 1610 */ 1611 dptr1 = (uint8_t *)icb; 1612 dptr2 = (uint8_t *)&nv->parameter_block_version; 1613 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 1614 while (cnt--) 1615 *dptr1++ = *dptr2++; 1616 1617 /* Copy 2nd half. */ 1618 dptr1 = (uint8_t *)icb->add_firmware_options; 1619 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 1620 while (cnt--) 1621 *dptr1++ = *dptr2++; 1622 1623 /* Use alternate WWN? */ 1624 if (nv->host_p[1] & BIT_7) { 1625 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 1626 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 1627 } 1628 1629 /* Prepare nodename */ 1630 if ((icb->firmware_options[1] & BIT_6) == 0) { 1631 /* 1632 * Firmware will apply the following mask if the nodename was 1633 * not provided. 1634 */ 1635 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 1636 icb->node_name[0] &= 0xF0; 1637 } 1638 1639 /* 1640 * Set host adapter parameters. 1641 */ 1642 if (nv->host_p[0] & BIT_7) 1643 ql2xextended_error_logging = 1; 1644 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 1645 /* Always load RISC code on non ISP2[12]00 chips. */ 1646 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 1647 ha->flags.disable_risc_code_load = 0; 1648 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 1649 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 1650 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 1651 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; 1652 ha->flags.disable_serdes = 0; 1653 1654 ha->operating_mode = 1655 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 1656 1657 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 1658 sizeof(ha->fw_seriallink_options)); 1659 1660 /* save HBA serial number */ 1661 ha->serial0 = icb->port_name[5]; 1662 ha->serial1 = icb->port_name[6]; 1663 ha->serial2 = icb->port_name[7]; 1664 ha->node_name = icb->node_name; 1665 ha->port_name = icb->port_name; 1666 1667 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 1668 1669 ha->retry_count = nv->retry_count; 1670 1671 /* Set minimum login_timeout to 4 seconds. */ 1672 if (nv->login_timeout < ql2xlogintimeout) 1673 nv->login_timeout = ql2xlogintimeout; 1674 if (nv->login_timeout < 4) 1675 nv->login_timeout = 4; 1676 ha->login_timeout = nv->login_timeout; 1677 icb->login_timeout = nv->login_timeout; 1678 1679 /* Set minimum RATOV to 200 tenths of a second. */ 1680 ha->r_a_tov = 200; 1681 1682 ha->loop_reset_delay = nv->reset_delay; 1683 1684 /* Link Down Timeout = 0: 1685 * 1686 * When Port Down timer expires we will start returning 1687 * I/O's to OS with "DID_NO_CONNECT". 1688 * 1689 * Link Down Timeout != 0: 1690 * 1691 * The driver waits for the link to come up after link down 1692 * before returning I/Os to OS with "DID_NO_CONNECT". 1693 */ 1694 if (nv->link_down_timeout == 0) { 1695 ha->loop_down_abort_time = 1696 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 1697 } else { 1698 ha->link_down_timeout = nv->link_down_timeout; 1699 ha->loop_down_abort_time = 1700 (LOOP_DOWN_TIME - ha->link_down_timeout); 1701 } 1702 1703 /* 1704 * Need enough time to try and get the port back. 1705 */ 1706 ha->port_down_retry_count = nv->port_down_retry_count; 1707 if (qlport_down_retry) 1708 ha->port_down_retry_count = qlport_down_retry; 1709 /* Set login_retry_count */ 1710 ha->login_retry_count = nv->retry_count; 1711 if (ha->port_down_retry_count == nv->port_down_retry_count && 1712 ha->port_down_retry_count > 3) 1713 ha->login_retry_count = ha->port_down_retry_count; 1714 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 1715 ha->login_retry_count = ha->port_down_retry_count; 1716 if (ql2xloginretrycount) 1717 ha->login_retry_count = ql2xloginretrycount; 1718 1719 icb->lun_enables = __constant_cpu_to_le16(0); 1720 icb->command_resource_count = 0; 1721 icb->immediate_notify_resource_count = 0; 1722 icb->timeout = __constant_cpu_to_le16(0); 1723 1724 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 1725 /* Enable RIO */ 1726 icb->firmware_options[0] &= ~BIT_3; 1727 icb->add_firmware_options[0] &= 1728 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1729 icb->add_firmware_options[0] |= BIT_2; 1730 icb->response_accumulation_timer = 3; 1731 icb->interrupt_delay_timer = 5; 1732 1733 ha->flags.process_response_queue = 1; 1734 } else { 1735 /* Enable ZIO. */ 1736 if (!ha->flags.init_done) { 1737 ha->zio_mode = icb->add_firmware_options[0] & 1738 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1739 ha->zio_timer = icb->interrupt_delay_timer ? 1740 icb->interrupt_delay_timer: 2; 1741 } 1742 icb->add_firmware_options[0] &= 1743 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1744 ha->flags.process_response_queue = 0; 1745 if (ha->zio_mode != QLA_ZIO_DISABLED) { 1746 ha->zio_mode = QLA_ZIO_MODE_6; 1747 1748 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer " 1749 "delay (%d us).\n", ha->host_no, ha->zio_mode, 1750 ha->zio_timer * 100)); 1751 qla_printk(KERN_INFO, ha, 1752 "ZIO mode %d enabled; timer delay (%d us).\n", 1753 ha->zio_mode, ha->zio_timer * 100); 1754 1755 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; 1756 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; 1757 ha->flags.process_response_queue = 1; 1758 } 1759 } 1760 1761 if (rval) { 1762 DEBUG2_3(printk(KERN_WARNING 1763 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 1764 } 1765 return (rval); 1766 } 1767 1768 static void 1769 qla2x00_rport_del(void *data) 1770 { 1771 fc_port_t *fcport = data; 1772 struct fc_rport *rport; 1773 unsigned long flags; 1774 1775 spin_lock_irqsave(&fcport->rport_lock, flags); 1776 rport = fcport->drport; 1777 fcport->drport = NULL; 1778 spin_unlock_irqrestore(&fcport->rport_lock, flags); 1779 if (rport) 1780 fc_remote_port_delete(rport); 1781 } 1782 1783 /** 1784 * qla2x00_alloc_fcport() - Allocate a generic fcport. 1785 * @ha: HA context 1786 * @flags: allocation flags 1787 * 1788 * Returns a pointer to the allocated fcport, or NULL, if none available. 1789 */ 1790 static fc_port_t * 1791 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags) 1792 { 1793 fc_port_t *fcport; 1794 1795 fcport = kzalloc(sizeof(fc_port_t), flags); 1796 if (!fcport) 1797 return NULL; 1798 1799 /* Setup fcport template structure. */ 1800 fcport->ha = ha; 1801 fcport->vp_idx = ha->vp_idx; 1802 fcport->port_type = FCT_UNKNOWN; 1803 fcport->loop_id = FC_NO_LOOP_ID; 1804 atomic_set(&fcport->state, FCS_UNCONFIGURED); 1805 fcport->flags = FCF_RLC_SUPPORT; 1806 fcport->supported_classes = FC_COS_UNSPECIFIED; 1807 spin_lock_init(&fcport->rport_lock); 1808 1809 return fcport; 1810 } 1811 1812 /* 1813 * qla2x00_configure_loop 1814 * Updates Fibre Channel Device Database with what is actually on loop. 1815 * 1816 * Input: 1817 * ha = adapter block pointer. 1818 * 1819 * Returns: 1820 * 0 = success. 1821 * 1 = error. 1822 * 2 = database was full and device was not configured. 1823 */ 1824 static int 1825 qla2x00_configure_loop(scsi_qla_host_t *ha) 1826 { 1827 int rval; 1828 unsigned long flags, save_flags; 1829 1830 rval = QLA_SUCCESS; 1831 1832 /* Get Initiator ID */ 1833 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { 1834 rval = qla2x00_configure_hba(ha); 1835 if (rval != QLA_SUCCESS) { 1836 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", 1837 ha->host_no)); 1838 return (rval); 1839 } 1840 } 1841 1842 save_flags = flags = ha->dpc_flags; 1843 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", 1844 ha->host_no, flags)); 1845 1846 /* 1847 * If we have both an RSCN and PORT UPDATE pending then handle them 1848 * both at the same time. 1849 */ 1850 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1851 clear_bit(RSCN_UPDATE, &ha->dpc_flags); 1852 1853 /* Determine what we need to do */ 1854 if (ha->current_topology == ISP_CFG_FL && 1855 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1856 1857 ha->flags.rscn_queue_overflow = 1; 1858 set_bit(RSCN_UPDATE, &flags); 1859 1860 } else if (ha->current_topology == ISP_CFG_F && 1861 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1862 1863 ha->flags.rscn_queue_overflow = 1; 1864 set_bit(RSCN_UPDATE, &flags); 1865 clear_bit(LOCAL_LOOP_UPDATE, &flags); 1866 1867 } else if (ha->current_topology == ISP_CFG_N) { 1868 clear_bit(RSCN_UPDATE, &flags); 1869 1870 } else if (!ha->flags.online || 1871 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 1872 1873 ha->flags.rscn_queue_overflow = 1; 1874 set_bit(RSCN_UPDATE, &flags); 1875 set_bit(LOCAL_LOOP_UPDATE, &flags); 1876 } 1877 1878 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 1879 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1880 rval = QLA_FUNCTION_FAILED; 1881 } else { 1882 rval = qla2x00_configure_local_loop(ha); 1883 } 1884 } 1885 1886 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 1887 if (LOOP_TRANSITION(ha)) { 1888 rval = QLA_FUNCTION_FAILED; 1889 } else { 1890 rval = qla2x00_configure_fabric(ha); 1891 } 1892 } 1893 1894 if (rval == QLA_SUCCESS) { 1895 if (atomic_read(&ha->loop_down_timer) || 1896 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1897 rval = QLA_FUNCTION_FAILED; 1898 } else { 1899 atomic_set(&ha->loop_state, LOOP_READY); 1900 1901 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); 1902 } 1903 } 1904 1905 if (rval) { 1906 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", 1907 __func__, ha->host_no)); 1908 } else { 1909 DEBUG3(printk("%s: exiting normally\n", __func__)); 1910 } 1911 1912 /* Restore state if a resync event occured during processing */ 1913 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1914 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 1915 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1916 if (test_bit(RSCN_UPDATE, &save_flags)) 1917 set_bit(RSCN_UPDATE, &ha->dpc_flags); 1918 } 1919 1920 return (rval); 1921 } 1922 1923 1924 1925 /* 1926 * qla2x00_configure_local_loop 1927 * Updates Fibre Channel Device Database with local loop devices. 1928 * 1929 * Input: 1930 * ha = adapter block pointer. 1931 * 1932 * Returns: 1933 * 0 = success. 1934 */ 1935 static int 1936 qla2x00_configure_local_loop(scsi_qla_host_t *ha) 1937 { 1938 int rval, rval2; 1939 int found_devs; 1940 int found; 1941 fc_port_t *fcport, *new_fcport; 1942 1943 uint16_t index; 1944 uint16_t entries; 1945 char *id_iter; 1946 uint16_t loop_id; 1947 uint8_t domain, area, al_pa; 1948 scsi_qla_host_t *pha = to_qla_parent(ha); 1949 1950 found_devs = 0; 1951 new_fcport = NULL; 1952 entries = MAX_FIBRE_DEVICES; 1953 1954 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); 1955 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); 1956 1957 /* Get list of logged in devices. */ 1958 memset(ha->gid_list, 0, GID_LIST_SIZE); 1959 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, 1960 &entries); 1961 if (rval != QLA_SUCCESS) 1962 goto cleanup_allocation; 1963 1964 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", 1965 ha->host_no, entries)); 1966 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, 1967 entries * sizeof(struct gid_list_info))); 1968 1969 /* Allocate temporary fcport for any new fcports discovered. */ 1970 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 1971 if (new_fcport == NULL) { 1972 rval = QLA_MEMORY_ALLOC_FAILED; 1973 goto cleanup_allocation; 1974 } 1975 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 1976 1977 /* 1978 * Mark local devices that were present with FCF_DEVICE_LOST for now. 1979 */ 1980 list_for_each_entry(fcport, &pha->fcports, list) { 1981 if (fcport->vp_idx != ha->vp_idx) 1982 continue; 1983 1984 if (atomic_read(&fcport->state) == FCS_ONLINE && 1985 fcport->port_type != FCT_BROADCAST && 1986 (fcport->flags & FCF_FABRIC_DEVICE) == 0) { 1987 1988 DEBUG(printk("scsi(%ld): Marking port lost, " 1989 "loop_id=0x%04x\n", 1990 ha->host_no, fcport->loop_id)); 1991 1992 atomic_set(&fcport->state, FCS_DEVICE_LOST); 1993 fcport->flags &= ~FCF_FARP_DONE; 1994 } 1995 } 1996 1997 /* Add devices to port list. */ 1998 id_iter = (char *)ha->gid_list; 1999 for (index = 0; index < entries; index++) { 2000 domain = ((struct gid_list_info *)id_iter)->domain; 2001 area = ((struct gid_list_info *)id_iter)->area; 2002 al_pa = ((struct gid_list_info *)id_iter)->al_pa; 2003 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 2004 loop_id = (uint16_t) 2005 ((struct gid_list_info *)id_iter)->loop_id_2100; 2006 else 2007 loop_id = le16_to_cpu( 2008 ((struct gid_list_info *)id_iter)->loop_id); 2009 id_iter += ha->gid_list_info_size; 2010 2011 /* Bypass reserved domain fields. */ 2012 if ((domain & 0xf0) == 0xf0) 2013 continue; 2014 2015 /* Bypass if not same domain and area of adapter. */ 2016 if (area && domain && 2017 (area != ha->d_id.b.area || domain != ha->d_id.b.domain)) 2018 continue; 2019 2020 /* Bypass invalid local loop ID. */ 2021 if (loop_id > LAST_LOCAL_LOOP_ID) 2022 continue; 2023 2024 /* Fill in member data. */ 2025 new_fcport->d_id.b.domain = domain; 2026 new_fcport->d_id.b.area = area; 2027 new_fcport->d_id.b.al_pa = al_pa; 2028 new_fcport->loop_id = loop_id; 2029 new_fcport->vp_idx = ha->vp_idx; 2030 rval2 = qla2x00_get_port_database(ha, new_fcport, 0); 2031 if (rval2 != QLA_SUCCESS) { 2032 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " 2033 "information -- get_port_database=%x, " 2034 "loop_id=0x%04x\n", 2035 ha->host_no, rval2, new_fcport->loop_id)); 2036 DEBUG2(printk("scsi(%ld): Scheduling resync...\n", 2037 ha->host_no)); 2038 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 2039 continue; 2040 } 2041 2042 /* Check for matching device in port list. */ 2043 found = 0; 2044 fcport = NULL; 2045 list_for_each_entry(fcport, &pha->fcports, list) { 2046 if (fcport->vp_idx != ha->vp_idx) 2047 continue; 2048 2049 if (memcmp(new_fcport->port_name, fcport->port_name, 2050 WWN_SIZE)) 2051 continue; 2052 2053 fcport->flags &= ~(FCF_FABRIC_DEVICE | 2054 FCF_PERSISTENT_BOUND); 2055 fcport->loop_id = new_fcport->loop_id; 2056 fcport->port_type = new_fcport->port_type; 2057 fcport->d_id.b24 = new_fcport->d_id.b24; 2058 memcpy(fcport->node_name, new_fcport->node_name, 2059 WWN_SIZE); 2060 2061 found++; 2062 break; 2063 } 2064 2065 if (!found) { 2066 /* New device, add to fcports list. */ 2067 new_fcport->flags &= ~FCF_PERSISTENT_BOUND; 2068 if (ha->parent) { 2069 new_fcport->ha = ha; 2070 new_fcport->vp_idx = ha->vp_idx; 2071 list_add_tail(&new_fcport->vp_fcport, 2072 &ha->vp_fcports); 2073 } 2074 list_add_tail(&new_fcport->list, &pha->fcports); 2075 2076 /* Allocate a new replacement fcport. */ 2077 fcport = new_fcport; 2078 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2079 if (new_fcport == NULL) { 2080 rval = QLA_MEMORY_ALLOC_FAILED; 2081 goto cleanup_allocation; 2082 } 2083 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 2084 } 2085 2086 /* Base iIDMA settings on HBA port speed. */ 2087 fcport->fp_speed = ha->link_data_rate; 2088 2089 qla2x00_update_fcport(ha, fcport); 2090 2091 found_devs++; 2092 } 2093 2094 cleanup_allocation: 2095 kfree(new_fcport); 2096 2097 if (rval != QLA_SUCCESS) { 2098 DEBUG2(printk("scsi(%ld): Configure local loop error exit: " 2099 "rval=%x\n", ha->host_no, rval)); 2100 } 2101 2102 if (found_devs) { 2103 ha->device_flags |= DFLG_LOCAL_DEVICES; 2104 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; 2105 } 2106 2107 return (rval); 2108 } 2109 2110 static void 2111 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) 2112 { 2113 fc_port_t *fcport; 2114 2115 qla2x00_mark_all_devices_lost(ha, 0); 2116 list_for_each_entry(fcport, &ha->fcports, list) { 2117 if (fcport->port_type != FCT_TARGET) 2118 continue; 2119 2120 qla2x00_update_fcport(ha, fcport); 2121 } 2122 } 2123 2124 static void 2125 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2126 { 2127 #define LS_UNKNOWN 2 2128 static char *link_speeds[5] = { "1", "2", "?", "4", "8" }; 2129 int rval; 2130 uint16_t mb[6]; 2131 2132 if (!IS_IIDMA_CAPABLE(ha)) 2133 return; 2134 2135 if (fcport->fp_speed == PORT_SPEED_UNKNOWN || 2136 fcport->fp_speed > ha->link_data_rate) 2137 return; 2138 2139 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed, 2140 mb); 2141 if (rval != QLA_SUCCESS) { 2142 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA " 2143 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n", 2144 ha->host_no, fcport->port_name[0], fcport->port_name[1], 2145 fcport->port_name[2], fcport->port_name[3], 2146 fcport->port_name[4], fcport->port_name[5], 2147 fcport->port_name[6], fcport->port_name[7], rval, 2148 fcport->fp_speed, mb[0], mb[1])); 2149 } else { 2150 DEBUG2(qla_printk(KERN_INFO, ha, 2151 "iIDMA adjusted to %s GB/s on " 2152 "%02x%02x%02x%02x%02x%02x%02x%02x.\n", 2153 link_speeds[fcport->fp_speed], fcport->port_name[0], 2154 fcport->port_name[1], fcport->port_name[2], 2155 fcport->port_name[3], fcport->port_name[4], 2156 fcport->port_name[5], fcport->port_name[6], 2157 fcport->port_name[7])); 2158 } 2159 } 2160 2161 static void 2162 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 2163 { 2164 struct fc_rport_identifiers rport_ids; 2165 struct fc_rport *rport; 2166 unsigned long flags; 2167 2168 if (fcport->drport) 2169 qla2x00_rport_del(fcport); 2170 if (fcport->rport) 2171 return; 2172 2173 rport_ids.node_name = wwn_to_u64(fcport->node_name); 2174 rport_ids.port_name = wwn_to_u64(fcport->port_name); 2175 rport_ids.port_id = fcport->d_id.b.domain << 16 | 2176 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 2177 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2178 rport = fc_remote_port_add(ha->host, 0, &rport_ids); 2179 if (!rport) { 2180 qla_printk(KERN_WARNING, ha, 2181 "Unable to allocate fc remote port!\n"); 2182 return; 2183 } 2184 spin_lock_irqsave(&fcport->rport_lock, flags); 2185 fcport->rport = rport; 2186 *((fc_port_t **)rport->dd_data) = fcport; 2187 spin_unlock_irqrestore(&fcport->rport_lock, flags); 2188 2189 rport->supported_classes = fcport->supported_classes; 2190 2191 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2192 if (fcport->port_type == FCT_INITIATOR) 2193 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; 2194 if (fcport->port_type == FCT_TARGET) 2195 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 2196 fc_remote_port_rolechg(rport, rport_ids.roles); 2197 2198 if (rport->scsi_target_id != -1 && 2199 rport->scsi_target_id < ha->host->max_id) 2200 fcport->os_target_id = rport->scsi_target_id; 2201 } 2202 2203 /* 2204 * qla2x00_update_fcport 2205 * Updates device on list. 2206 * 2207 * Input: 2208 * ha = adapter block pointer. 2209 * fcport = port structure pointer. 2210 * 2211 * Return: 2212 * 0 - Success 2213 * BIT_0 - error 2214 * 2215 * Context: 2216 * Kernel context. 2217 */ 2218 void 2219 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2220 { 2221 scsi_qla_host_t *pha = to_qla_parent(ha); 2222 2223 fcport->ha = ha; 2224 fcport->login_retry = 0; 2225 fcport->port_login_retry_count = pha->port_down_retry_count * 2226 PORT_RETRY_TIME; 2227 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count * 2228 PORT_RETRY_TIME); 2229 fcport->flags &= ~FCF_LOGIN_NEEDED; 2230 2231 qla2x00_iidma_fcport(ha, fcport); 2232 2233 atomic_set(&fcport->state, FCS_ONLINE); 2234 2235 qla2x00_reg_remote_port(ha, fcport); 2236 } 2237 2238 /* 2239 * qla2x00_configure_fabric 2240 * Setup SNS devices with loop ID's. 2241 * 2242 * Input: 2243 * ha = adapter block pointer. 2244 * 2245 * Returns: 2246 * 0 = success. 2247 * BIT_0 = error 2248 */ 2249 static int 2250 qla2x00_configure_fabric(scsi_qla_host_t *ha) 2251 { 2252 int rval, rval2; 2253 fc_port_t *fcport, *fcptemp; 2254 uint16_t next_loopid; 2255 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2256 uint16_t loop_id; 2257 LIST_HEAD(new_fcports); 2258 scsi_qla_host_t *pha = to_qla_parent(ha); 2259 2260 /* If FL port exists, then SNS is present */ 2261 if (IS_FWI2_CAPABLE(ha)) 2262 loop_id = NPH_F_PORT; 2263 else 2264 loop_id = SNS_FL_PORT; 2265 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1); 2266 if (rval != QLA_SUCCESS) { 2267 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " 2268 "Port\n", ha->host_no)); 2269 2270 ha->device_flags &= ~SWITCH_FOUND; 2271 return (QLA_SUCCESS); 2272 } 2273 ha->device_flags |= SWITCH_FOUND; 2274 2275 /* Mark devices that need re-synchronization. */ 2276 rval2 = qla2x00_device_resync(ha); 2277 if (rval2 == QLA_RSCNS_HANDLED) { 2278 /* No point doing the scan, just continue. */ 2279 return (QLA_SUCCESS); 2280 } 2281 do { 2282 /* FDMI support. */ 2283 if (ql2xfdmienable && 2284 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags)) 2285 qla2x00_fdmi_register(ha); 2286 2287 /* Ensure we are logged into the SNS. */ 2288 if (IS_FWI2_CAPABLE(ha)) 2289 loop_id = NPH_SNS; 2290 else 2291 loop_id = SIMPLE_NAME_SERVER; 2292 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff, 2293 0xfc, mb, BIT_1 | BIT_0); 2294 if (mb[0] != MBS_COMMAND_COMPLETE) { 2295 DEBUG2(qla_printk(KERN_INFO, ha, 2296 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 2297 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, 2298 mb[0], mb[1], mb[2], mb[6], mb[7])); 2299 return (QLA_SUCCESS); 2300 } 2301 2302 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { 2303 if (qla2x00_rft_id(ha)) { 2304 /* EMPTY */ 2305 DEBUG2(printk("scsi(%ld): Register FC-4 " 2306 "TYPE failed.\n", ha->host_no)); 2307 } 2308 if (qla2x00_rff_id(ha)) { 2309 /* EMPTY */ 2310 DEBUG2(printk("scsi(%ld): Register FC-4 " 2311 "Features failed.\n", ha->host_no)); 2312 } 2313 if (qla2x00_rnn_id(ha)) { 2314 /* EMPTY */ 2315 DEBUG2(printk("scsi(%ld): Register Node Name " 2316 "failed.\n", ha->host_no)); 2317 } else if (qla2x00_rsnn_nn(ha)) { 2318 /* EMPTY */ 2319 DEBUG2(printk("scsi(%ld): Register Symbolic " 2320 "Node Name failed.\n", ha->host_no)); 2321 } 2322 } 2323 2324 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); 2325 if (rval != QLA_SUCCESS) 2326 break; 2327 2328 /* 2329 * Logout all previous fabric devices marked lost, except 2330 * tape devices. 2331 */ 2332 list_for_each_entry(fcport, &pha->fcports, list) { 2333 if (fcport->vp_idx !=ha->vp_idx) 2334 continue; 2335 2336 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2337 break; 2338 2339 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 2340 continue; 2341 2342 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 2343 qla2x00_mark_device_lost(ha, fcport, 2344 ql2xplogiabsentdevice, 0); 2345 if (fcport->loop_id != FC_NO_LOOP_ID && 2346 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2347 fcport->port_type != FCT_INITIATOR && 2348 fcport->port_type != FCT_BROADCAST) { 2349 ha->isp_ops->fabric_logout(ha, 2350 fcport->loop_id, 2351 fcport->d_id.b.domain, 2352 fcport->d_id.b.area, 2353 fcport->d_id.b.al_pa); 2354 fcport->loop_id = FC_NO_LOOP_ID; 2355 } 2356 } 2357 } 2358 2359 /* Starting free loop ID. */ 2360 next_loopid = pha->min_external_loopid; 2361 2362 /* 2363 * Scan through our port list and login entries that need to be 2364 * logged in. 2365 */ 2366 list_for_each_entry(fcport, &pha->fcports, list) { 2367 if (fcport->vp_idx != ha->vp_idx) 2368 continue; 2369 2370 if (atomic_read(&ha->loop_down_timer) || 2371 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2372 break; 2373 2374 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2375 (fcport->flags & FCF_LOGIN_NEEDED) == 0) 2376 continue; 2377 2378 if (fcport->loop_id == FC_NO_LOOP_ID) { 2379 fcport->loop_id = next_loopid; 2380 rval = qla2x00_find_new_loop_id(ha, fcport); 2381 if (rval != QLA_SUCCESS) { 2382 /* Ran out of IDs to use */ 2383 break; 2384 } 2385 } 2386 /* Login and update database */ 2387 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2388 } 2389 2390 /* Exit if out of loop IDs. */ 2391 if (rval != QLA_SUCCESS) { 2392 break; 2393 } 2394 2395 /* 2396 * Login and add the new devices to our port list. 2397 */ 2398 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2399 if (atomic_read(&ha->loop_down_timer) || 2400 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2401 break; 2402 2403 /* Find a new loop ID to use. */ 2404 fcport->loop_id = next_loopid; 2405 rval = qla2x00_find_new_loop_id(ha, fcport); 2406 if (rval != QLA_SUCCESS) { 2407 /* Ran out of IDs to use */ 2408 break; 2409 } 2410 2411 /* Login and update database */ 2412 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2413 2414 if (ha->parent) { 2415 fcport->ha = ha; 2416 fcport->vp_idx = ha->vp_idx; 2417 list_add_tail(&fcport->vp_fcport, 2418 &ha->vp_fcports); 2419 list_move_tail(&fcport->list, 2420 &ha->parent->fcports); 2421 } else 2422 list_move_tail(&fcport->list, &ha->fcports); 2423 } 2424 } while (0); 2425 2426 /* Free all new device structures not processed. */ 2427 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2428 list_del(&fcport->list); 2429 kfree(fcport); 2430 } 2431 2432 if (rval) { 2433 DEBUG2(printk("scsi(%ld): Configure fabric error exit: " 2434 "rval=%d\n", ha->host_no, rval)); 2435 } 2436 2437 return (rval); 2438 } 2439 2440 2441 /* 2442 * qla2x00_find_all_fabric_devs 2443 * 2444 * Input: 2445 * ha = adapter block pointer. 2446 * dev = database device entry pointer. 2447 * 2448 * Returns: 2449 * 0 = success. 2450 * 2451 * Context: 2452 * Kernel context. 2453 */ 2454 static int 2455 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) 2456 { 2457 int rval; 2458 uint16_t loop_id; 2459 fc_port_t *fcport, *new_fcport, *fcptemp; 2460 int found; 2461 2462 sw_info_t *swl; 2463 int swl_idx; 2464 int first_dev, last_dev; 2465 port_id_t wrap, nxt_d_id; 2466 int vp_index; 2467 int empty_vp_index; 2468 int found_vp; 2469 scsi_qla_host_t *vha; 2470 scsi_qla_host_t *pha = to_qla_parent(ha); 2471 2472 rval = QLA_SUCCESS; 2473 2474 /* Try GID_PT to get device list, else GAN. */ 2475 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC); 2476 if (!swl) { 2477 /*EMPTY*/ 2478 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2479 "on GA_NXT\n", ha->host_no)); 2480 } else { 2481 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { 2482 kfree(swl); 2483 swl = NULL; 2484 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { 2485 kfree(swl); 2486 swl = NULL; 2487 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { 2488 kfree(swl); 2489 swl = NULL; 2490 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) { 2491 qla2x00_gpsc(ha, swl); 2492 } 2493 } 2494 swl_idx = 0; 2495 2496 /* Allocate temporary fcport for any new fcports discovered. */ 2497 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2498 if (new_fcport == NULL) { 2499 kfree(swl); 2500 return (QLA_MEMORY_ALLOC_FAILED); 2501 } 2502 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2503 new_fcport->vp_idx = ha->vp_idx; 2504 /* Set start port ID scan at adapter ID. */ 2505 first_dev = 1; 2506 last_dev = 0; 2507 2508 /* Starting free loop ID. */ 2509 loop_id = pha->min_external_loopid; 2510 for (; loop_id <= ha->last_loop_id; loop_id++) { 2511 if (qla2x00_is_reserved_id(ha, loop_id)) 2512 continue; 2513 2514 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) 2515 break; 2516 2517 if (swl != NULL) { 2518 if (last_dev) { 2519 wrap.b24 = new_fcport->d_id.b24; 2520 } else { 2521 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 2522 memcpy(new_fcport->node_name, 2523 swl[swl_idx].node_name, WWN_SIZE); 2524 memcpy(new_fcport->port_name, 2525 swl[swl_idx].port_name, WWN_SIZE); 2526 memcpy(new_fcport->fabric_port_name, 2527 swl[swl_idx].fabric_port_name, WWN_SIZE); 2528 new_fcport->fp_speed = swl[swl_idx].fp_speed; 2529 2530 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 2531 last_dev = 1; 2532 } 2533 swl_idx++; 2534 } 2535 } else { 2536 /* Send GA_NXT to the switch */ 2537 rval = qla2x00_ga_nxt(ha, new_fcport); 2538 if (rval != QLA_SUCCESS) { 2539 qla_printk(KERN_WARNING, ha, 2540 "SNS scan failed -- assuming zero-entry " 2541 "result...\n"); 2542 list_for_each_entry_safe(fcport, fcptemp, 2543 new_fcports, list) { 2544 list_del(&fcport->list); 2545 kfree(fcport); 2546 } 2547 rval = QLA_SUCCESS; 2548 break; 2549 } 2550 } 2551 2552 /* If wrap on switch device list, exit. */ 2553 if (first_dev) { 2554 wrap.b24 = new_fcport->d_id.b24; 2555 first_dev = 0; 2556 } else if (new_fcport->d_id.b24 == wrap.b24) { 2557 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", 2558 ha->host_no, new_fcport->d_id.b.domain, 2559 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); 2560 break; 2561 } 2562 2563 /* Bypass if same physical adapter. */ 2564 if (new_fcport->d_id.b24 == pha->d_id.b24) 2565 continue; 2566 2567 /* Bypass virtual ports of the same host. */ 2568 if (pha->num_vhosts) { 2569 vp_index = find_next_bit( 2570 (unsigned long *)pha->vp_idx_map, 2571 MAX_MULTI_ID_FABRIC + 1, 1); 2572 2573 for (;vp_index <= MAX_MULTI_ID_FABRIC; 2574 vp_index = find_next_bit( 2575 (unsigned long *)pha->vp_idx_map, 2576 MAX_MULTI_ID_FABRIC + 1, vp_index + 1)) { 2577 empty_vp_index = 1; 2578 found_vp = 0; 2579 list_for_each_entry(vha, &pha->vp_list, 2580 vp_list) { 2581 if (vp_index == vha->vp_idx) { 2582 empty_vp_index = 0; 2583 found_vp = 1; 2584 break; 2585 } 2586 } 2587 2588 if (empty_vp_index) 2589 continue; 2590 2591 if (found_vp && 2592 new_fcport->d_id.b24 == vha->d_id.b24) 2593 break; 2594 } 2595 if (vp_index <= MAX_MULTI_ID_FABRIC) 2596 continue; 2597 } 2598 2599 /* Bypass if same domain and area of adapter. */ 2600 if (((new_fcport->d_id.b24 & 0xffff00) == 2601 (ha->d_id.b24 & 0xffff00)) && ha->current_topology == 2602 ISP_CFG_FL) 2603 continue; 2604 2605 /* Bypass reserved domain fields. */ 2606 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 2607 continue; 2608 2609 /* Locate matching device in database. */ 2610 found = 0; 2611 list_for_each_entry(fcport, &pha->fcports, list) { 2612 if (new_fcport->vp_idx != fcport->vp_idx) 2613 continue; 2614 if (memcmp(new_fcport->port_name, fcport->port_name, 2615 WWN_SIZE)) 2616 continue; 2617 2618 found++; 2619 2620 /* Update port state. */ 2621 memcpy(fcport->fabric_port_name, 2622 new_fcport->fabric_port_name, WWN_SIZE); 2623 fcport->fp_speed = new_fcport->fp_speed; 2624 2625 /* 2626 * If address the same and state FCS_ONLINE, nothing 2627 * changed. 2628 */ 2629 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 2630 atomic_read(&fcport->state) == FCS_ONLINE) { 2631 break; 2632 } 2633 2634 /* 2635 * If device was not a fabric device before. 2636 */ 2637 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2638 fcport->d_id.b24 = new_fcport->d_id.b24; 2639 fcport->loop_id = FC_NO_LOOP_ID; 2640 fcport->flags |= (FCF_FABRIC_DEVICE | 2641 FCF_LOGIN_NEEDED); 2642 fcport->flags &= ~FCF_PERSISTENT_BOUND; 2643 break; 2644 } 2645 2646 /* 2647 * Port ID changed or device was marked to be updated; 2648 * Log it out if still logged in and mark it for 2649 * relogin later. 2650 */ 2651 fcport->d_id.b24 = new_fcport->d_id.b24; 2652 fcport->flags |= FCF_LOGIN_NEEDED; 2653 if (fcport->loop_id != FC_NO_LOOP_ID && 2654 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2655 fcport->port_type != FCT_INITIATOR && 2656 fcport->port_type != FCT_BROADCAST) { 2657 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 2658 fcport->d_id.b.domain, fcport->d_id.b.area, 2659 fcport->d_id.b.al_pa); 2660 fcport->loop_id = FC_NO_LOOP_ID; 2661 } 2662 2663 break; 2664 } 2665 2666 if (found) 2667 continue; 2668 2669 /* If device was not in our fcports list, then add it. */ 2670 list_add_tail(&new_fcport->list, new_fcports); 2671 2672 /* Allocate a new replacement fcport. */ 2673 nxt_d_id.b24 = new_fcport->d_id.b24; 2674 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2675 if (new_fcport == NULL) { 2676 kfree(swl); 2677 return (QLA_MEMORY_ALLOC_FAILED); 2678 } 2679 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2680 new_fcport->d_id.b24 = nxt_d_id.b24; 2681 new_fcport->vp_idx = ha->vp_idx; 2682 } 2683 2684 kfree(swl); 2685 kfree(new_fcport); 2686 2687 if (!list_empty(new_fcports)) 2688 ha->device_flags |= DFLG_FABRIC_DEVICES; 2689 2690 return (rval); 2691 } 2692 2693 /* 2694 * qla2x00_find_new_loop_id 2695 * Scan through our port list and find a new usable loop ID. 2696 * 2697 * Input: 2698 * ha: adapter state pointer. 2699 * dev: port structure pointer. 2700 * 2701 * Returns: 2702 * qla2x00 local function return status code. 2703 * 2704 * Context: 2705 * Kernel context. 2706 */ 2707 static int 2708 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) 2709 { 2710 int rval; 2711 int found; 2712 fc_port_t *fcport; 2713 uint16_t first_loop_id; 2714 scsi_qla_host_t *pha = to_qla_parent(ha); 2715 2716 rval = QLA_SUCCESS; 2717 2718 /* Save starting loop ID. */ 2719 first_loop_id = dev->loop_id; 2720 2721 for (;;) { 2722 /* Skip loop ID if already used by adapter. */ 2723 if (dev->loop_id == ha->loop_id) { 2724 dev->loop_id++; 2725 } 2726 2727 /* Skip reserved loop IDs. */ 2728 while (qla2x00_is_reserved_id(ha, dev->loop_id)) { 2729 dev->loop_id++; 2730 } 2731 2732 /* Reset loop ID if passed the end. */ 2733 if (dev->loop_id > ha->last_loop_id) { 2734 /* first loop ID. */ 2735 dev->loop_id = ha->min_external_loopid; 2736 } 2737 2738 /* Check for loop ID being already in use. */ 2739 found = 0; 2740 fcport = NULL; 2741 list_for_each_entry(fcport, &pha->fcports, list) { 2742 if (fcport->loop_id == dev->loop_id && fcport != dev) { 2743 /* ID possibly in use */ 2744 found++; 2745 break; 2746 } 2747 } 2748 2749 /* If not in use then it is free to use. */ 2750 if (!found) { 2751 break; 2752 } 2753 2754 /* ID in use. Try next value. */ 2755 dev->loop_id++; 2756 2757 /* If wrap around. No free ID to use. */ 2758 if (dev->loop_id == first_loop_id) { 2759 dev->loop_id = FC_NO_LOOP_ID; 2760 rval = QLA_FUNCTION_FAILED; 2761 break; 2762 } 2763 } 2764 2765 return (rval); 2766 } 2767 2768 /* 2769 * qla2x00_device_resync 2770 * Marks devices in the database that needs resynchronization. 2771 * 2772 * Input: 2773 * ha = adapter block pointer. 2774 * 2775 * Context: 2776 * Kernel context. 2777 */ 2778 static int 2779 qla2x00_device_resync(scsi_qla_host_t *ha) 2780 { 2781 int rval; 2782 uint32_t mask; 2783 fc_port_t *fcport; 2784 uint32_t rscn_entry; 2785 uint8_t rscn_out_iter; 2786 uint8_t format; 2787 port_id_t d_id; 2788 scsi_qla_host_t *pha = to_qla_parent(ha); 2789 2790 rval = QLA_RSCNS_HANDLED; 2791 2792 while (ha->rscn_out_ptr != ha->rscn_in_ptr || 2793 ha->flags.rscn_queue_overflow) { 2794 2795 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; 2796 format = MSB(MSW(rscn_entry)); 2797 d_id.b.domain = LSB(MSW(rscn_entry)); 2798 d_id.b.area = MSB(LSW(rscn_entry)); 2799 d_id.b.al_pa = LSB(LSW(rscn_entry)); 2800 2801 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " 2802 "[%02x/%02x%02x%02x].\n", 2803 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, 2804 d_id.b.area, d_id.b.al_pa)); 2805 2806 ha->rscn_out_ptr++; 2807 if (ha->rscn_out_ptr == MAX_RSCN_COUNT) 2808 ha->rscn_out_ptr = 0; 2809 2810 /* Skip duplicate entries. */ 2811 for (rscn_out_iter = ha->rscn_out_ptr; 2812 !ha->flags.rscn_queue_overflow && 2813 rscn_out_iter != ha->rscn_in_ptr; 2814 rscn_out_iter = (rscn_out_iter == 2815 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { 2816 2817 if (rscn_entry != ha->rscn_queue[rscn_out_iter]) 2818 break; 2819 2820 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " 2821 "entry found at [%d].\n", ha->host_no, 2822 rscn_out_iter)); 2823 2824 ha->rscn_out_ptr = rscn_out_iter; 2825 } 2826 2827 /* Queue overflow, set switch default case. */ 2828 if (ha->flags.rscn_queue_overflow) { 2829 DEBUG(printk("scsi(%ld): device_resync: rscn " 2830 "overflow.\n", ha->host_no)); 2831 2832 format = 3; 2833 ha->flags.rscn_queue_overflow = 0; 2834 } 2835 2836 switch (format) { 2837 case 0: 2838 mask = 0xffffff; 2839 break; 2840 case 1: 2841 mask = 0xffff00; 2842 break; 2843 case 2: 2844 mask = 0xff0000; 2845 break; 2846 default: 2847 mask = 0x0; 2848 d_id.b24 = 0; 2849 ha->rscn_out_ptr = ha->rscn_in_ptr; 2850 break; 2851 } 2852 2853 rval = QLA_SUCCESS; 2854 2855 list_for_each_entry(fcport, &pha->fcports, list) { 2856 if (fcport->vp_idx != ha->vp_idx) 2857 continue; 2858 2859 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2860 (fcport->d_id.b24 & mask) != d_id.b24 || 2861 fcport->port_type == FCT_BROADCAST) 2862 continue; 2863 2864 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2865 if (format != 3 || 2866 fcport->port_type != FCT_INITIATOR) { 2867 qla2x00_mark_device_lost(ha, fcport, 2868 0, 0); 2869 } 2870 } 2871 fcport->flags &= ~FCF_FARP_DONE; 2872 } 2873 } 2874 return (rval); 2875 } 2876 2877 /* 2878 * qla2x00_fabric_dev_login 2879 * Login fabric target device and update FC port database. 2880 * 2881 * Input: 2882 * ha: adapter state pointer. 2883 * fcport: port structure list pointer. 2884 * next_loopid: contains value of a new loop ID that can be used 2885 * by the next login attempt. 2886 * 2887 * Returns: 2888 * qla2x00 local function return status code. 2889 * 2890 * Context: 2891 * Kernel context. 2892 */ 2893 static int 2894 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2895 uint16_t *next_loopid) 2896 { 2897 int rval; 2898 int retry; 2899 uint8_t opts; 2900 2901 rval = QLA_SUCCESS; 2902 retry = 0; 2903 2904 rval = qla2x00_fabric_login(ha, fcport, next_loopid); 2905 if (rval == QLA_SUCCESS) { 2906 /* Send an ADISC to tape devices.*/ 2907 opts = 0; 2908 if (fcport->flags & FCF_TAPE_PRESENT) 2909 opts |= BIT_1; 2910 rval = qla2x00_get_port_database(ha, fcport, opts); 2911 if (rval != QLA_SUCCESS) { 2912 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 2913 fcport->d_id.b.domain, fcport->d_id.b.area, 2914 fcport->d_id.b.al_pa); 2915 qla2x00_mark_device_lost(ha, fcport, 1, 0); 2916 } else { 2917 qla2x00_update_fcport(ha, fcport); 2918 } 2919 } 2920 2921 return (rval); 2922 } 2923 2924 /* 2925 * qla2x00_fabric_login 2926 * Issue fabric login command. 2927 * 2928 * Input: 2929 * ha = adapter block pointer. 2930 * device = pointer to FC device type structure. 2931 * 2932 * Returns: 2933 * 0 - Login successfully 2934 * 1 - Login failed 2935 * 2 - Initiator device 2936 * 3 - Fatal error 2937 */ 2938 int 2939 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2940 uint16_t *next_loopid) 2941 { 2942 int rval; 2943 int retry; 2944 uint16_t tmp_loopid; 2945 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2946 2947 retry = 0; 2948 tmp_loopid = 0; 2949 2950 for (;;) { 2951 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " 2952 "for port %02x%02x%02x.\n", 2953 ha->host_no, fcport->loop_id, fcport->d_id.b.domain, 2954 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2955 2956 /* Login fcport on switch. */ 2957 ha->isp_ops->fabric_login(ha, fcport->loop_id, 2958 fcport->d_id.b.domain, fcport->d_id.b.area, 2959 fcport->d_id.b.al_pa, mb, BIT_0); 2960 if (mb[0] == MBS_PORT_ID_USED) { 2961 /* 2962 * Device has another loop ID. The firmware team 2963 * recommends the driver perform an implicit login with 2964 * the specified ID again. The ID we just used is save 2965 * here so we return with an ID that can be tried by 2966 * the next login. 2967 */ 2968 retry++; 2969 tmp_loopid = fcport->loop_id; 2970 fcport->loop_id = mb[1]; 2971 2972 DEBUG(printk("Fabric Login: port in use - next " 2973 "loop id=0x%04x, port Id=%02x%02x%02x.\n", 2974 fcport->loop_id, fcport->d_id.b.domain, 2975 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2976 2977 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 2978 /* 2979 * Login succeeded. 2980 */ 2981 if (retry) { 2982 /* A retry occurred before. */ 2983 *next_loopid = tmp_loopid; 2984 } else { 2985 /* 2986 * No retry occurred before. Just increment the 2987 * ID value for next login. 2988 */ 2989 *next_loopid = (fcport->loop_id + 1); 2990 } 2991 2992 if (mb[1] & BIT_0) { 2993 fcport->port_type = FCT_INITIATOR; 2994 } else { 2995 fcport->port_type = FCT_TARGET; 2996 if (mb[1] & BIT_1) { 2997 fcport->flags |= FCF_TAPE_PRESENT; 2998 } 2999 } 3000 3001 if (mb[10] & BIT_0) 3002 fcport->supported_classes |= FC_COS_CLASS2; 3003 if (mb[10] & BIT_1) 3004 fcport->supported_classes |= FC_COS_CLASS3; 3005 3006 rval = QLA_SUCCESS; 3007 break; 3008 } else if (mb[0] == MBS_LOOP_ID_USED) { 3009 /* 3010 * Loop ID already used, try next loop ID. 3011 */ 3012 fcport->loop_id++; 3013 rval = qla2x00_find_new_loop_id(ha, fcport); 3014 if (rval != QLA_SUCCESS) { 3015 /* Ran out of loop IDs to use */ 3016 break; 3017 } 3018 } else if (mb[0] == MBS_COMMAND_ERROR) { 3019 /* 3020 * Firmware possibly timed out during login. If NO 3021 * retries are left to do then the device is declared 3022 * dead. 3023 */ 3024 *next_loopid = fcport->loop_id; 3025 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3026 fcport->d_id.b.domain, fcport->d_id.b.area, 3027 fcport->d_id.b.al_pa); 3028 qla2x00_mark_device_lost(ha, fcport, 1, 0); 3029 3030 rval = 1; 3031 break; 3032 } else { 3033 /* 3034 * unrecoverable / not handled error 3035 */ 3036 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " 3037 "loop_id=%x jiffies=%lx.\n", 3038 __func__, ha->host_no, mb[0], 3039 fcport->d_id.b.domain, fcport->d_id.b.area, 3040 fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); 3041 3042 *next_loopid = fcport->loop_id; 3043 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3044 fcport->d_id.b.domain, fcport->d_id.b.area, 3045 fcport->d_id.b.al_pa); 3046 fcport->loop_id = FC_NO_LOOP_ID; 3047 fcport->login_retry = 0; 3048 3049 rval = 3; 3050 break; 3051 } 3052 } 3053 3054 return (rval); 3055 } 3056 3057 /* 3058 * qla2x00_local_device_login 3059 * Issue local device login command. 3060 * 3061 * Input: 3062 * ha = adapter block pointer. 3063 * loop_id = loop id of device to login to. 3064 * 3065 * Returns (Where's the #define!!!!): 3066 * 0 - Login successfully 3067 * 1 - Login failed 3068 * 3 - Fatal error 3069 */ 3070 int 3071 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport) 3072 { 3073 int rval; 3074 uint16_t mb[MAILBOX_REGISTER_COUNT]; 3075 3076 memset(mb, 0, sizeof(mb)); 3077 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0); 3078 if (rval == QLA_SUCCESS) { 3079 /* Interrogate mailbox registers for any errors */ 3080 if (mb[0] == MBS_COMMAND_ERROR) 3081 rval = 1; 3082 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 3083 /* device not in PCB table */ 3084 rval = 3; 3085 } 3086 3087 return (rval); 3088 } 3089 3090 /* 3091 * qla2x00_loop_resync 3092 * Resync with fibre channel devices. 3093 * 3094 * Input: 3095 * ha = adapter block pointer. 3096 * 3097 * Returns: 3098 * 0 = success 3099 */ 3100 int 3101 qla2x00_loop_resync(scsi_qla_host_t *ha) 3102 { 3103 int rval; 3104 uint32_t wait_time; 3105 3106 rval = QLA_SUCCESS; 3107 3108 atomic_set(&ha->loop_state, LOOP_UPDATE); 3109 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3110 if (ha->flags.online) { 3111 if (!(rval = qla2x00_fw_ready(ha))) { 3112 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3113 wait_time = 256; 3114 do { 3115 atomic_set(&ha->loop_state, LOOP_UPDATE); 3116 3117 /* Issue a marker after FW becomes ready. */ 3118 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3119 ha->marker_needed = 0; 3120 3121 /* Remap devices on Loop. */ 3122 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3123 3124 qla2x00_configure_loop(ha); 3125 wait_time--; 3126 } while (!atomic_read(&ha->loop_down_timer) && 3127 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3128 wait_time && 3129 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3130 } 3131 } 3132 3133 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { 3134 return (QLA_FUNCTION_FAILED); 3135 } 3136 3137 if (rval) { 3138 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 3139 } 3140 3141 return (rval); 3142 } 3143 3144 void 3145 qla2x00_rescan_fcports(scsi_qla_host_t *ha) 3146 { 3147 int rescan_done; 3148 fc_port_t *fcport; 3149 3150 rescan_done = 0; 3151 list_for_each_entry(fcport, &ha->fcports, list) { 3152 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) 3153 continue; 3154 3155 qla2x00_update_fcport(ha, fcport); 3156 fcport->flags &= ~FCF_RESCAN_NEEDED; 3157 3158 rescan_done = 1; 3159 } 3160 qla2x00_probe_for_all_luns(ha); 3161 } 3162 3163 void 3164 qla2x00_update_fcports(scsi_qla_host_t *ha) 3165 { 3166 fc_port_t *fcport; 3167 3168 /* Go with deferred removal of rport references. */ 3169 list_for_each_entry(fcport, &ha->fcports, list) 3170 if (fcport->drport) 3171 qla2x00_rport_del(fcport); 3172 } 3173 3174 /* 3175 * qla2x00_abort_isp 3176 * Resets ISP and aborts all outstanding commands. 3177 * 3178 * Input: 3179 * ha = adapter block pointer. 3180 * 3181 * Returns: 3182 * 0 = success 3183 */ 3184 int 3185 qla2x00_abort_isp(scsi_qla_host_t *ha) 3186 { 3187 int rval; 3188 unsigned long flags = 0; 3189 uint16_t cnt; 3190 srb_t *sp; 3191 uint8_t status = 0; 3192 3193 if (ha->flags.online) { 3194 ha->flags.online = 0; 3195 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 3196 3197 qla_printk(KERN_INFO, ha, 3198 "Performing ISP error recovery - ha= %p.\n", ha); 3199 ha->isp_ops->reset_chip(ha); 3200 3201 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 3202 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 3203 atomic_set(&ha->loop_state, LOOP_DOWN); 3204 qla2x00_mark_all_devices_lost(ha, 0); 3205 } else { 3206 if (!atomic_read(&ha->loop_down_timer)) 3207 atomic_set(&ha->loop_down_timer, 3208 LOOP_DOWN_TIME); 3209 } 3210 3211 spin_lock_irqsave(&ha->hardware_lock, flags); 3212 /* Requeue all commands in outstanding command list. */ 3213 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 3214 sp = ha->outstanding_cmds[cnt]; 3215 if (sp) { 3216 ha->outstanding_cmds[cnt] = NULL; 3217 sp->flags = 0; 3218 sp->cmd->result = DID_RESET << 16; 3219 sp->cmd->host_scribble = (unsigned char *)NULL; 3220 qla2x00_sp_compl(ha, sp); 3221 } 3222 } 3223 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3224 3225 ha->isp_ops->get_flash_version(ha, ha->request_ring); 3226 3227 ha->isp_ops->nvram_config(ha); 3228 3229 if (!qla2x00_restart_isp(ha)) { 3230 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3231 3232 if (!atomic_read(&ha->loop_down_timer)) { 3233 /* 3234 * Issue marker command only when we are going 3235 * to start the I/O . 3236 */ 3237 ha->marker_needed = 1; 3238 } 3239 3240 ha->flags.online = 1; 3241 3242 ha->isp_ops->enable_intrs(ha); 3243 3244 ha->isp_abort_cnt = 0; 3245 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3246 3247 if (ha->eft) { 3248 rval = qla2x00_trace_control(ha, TC_ENABLE, 3249 ha->eft_dma, EFT_NUM_BUFFERS); 3250 if (rval) { 3251 qla_printk(KERN_WARNING, ha, 3252 "Unable to reinitialize EFT " 3253 "(%d).\n", rval); 3254 } 3255 } 3256 } else { /* failed the ISP abort */ 3257 ha->flags.online = 1; 3258 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { 3259 if (ha->isp_abort_cnt == 0) { 3260 qla_printk(KERN_WARNING, ha, 3261 "ISP error recovery failed - " 3262 "board disabled\n"); 3263 /* 3264 * The next call disables the board 3265 * completely. 3266 */ 3267 ha->isp_ops->reset_adapter(ha); 3268 ha->flags.online = 0; 3269 clear_bit(ISP_ABORT_RETRY, 3270 &ha->dpc_flags); 3271 status = 0; 3272 } else { /* schedule another ISP abort */ 3273 ha->isp_abort_cnt--; 3274 DEBUG(printk("qla%ld: ISP abort - " 3275 "retry remaining %d\n", 3276 ha->host_no, ha->isp_abort_cnt)); 3277 status = 1; 3278 } 3279 } else { 3280 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3281 DEBUG(printk("qla2x00(%ld): ISP error recovery " 3282 "- retrying (%d) more times\n", 3283 ha->host_no, ha->isp_abort_cnt)); 3284 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3285 status = 1; 3286 } 3287 } 3288 3289 } 3290 3291 if (status) { 3292 qla_printk(KERN_INFO, ha, 3293 "qla2x00_abort_isp: **** FAILED ****\n"); 3294 } else { 3295 DEBUG(printk(KERN_INFO 3296 "qla2x00_abort_isp(%ld): exiting.\n", 3297 ha->host_no)); 3298 } 3299 3300 return(status); 3301 } 3302 3303 /* 3304 * qla2x00_restart_isp 3305 * restarts the ISP after a reset 3306 * 3307 * Input: 3308 * ha = adapter block pointer. 3309 * 3310 * Returns: 3311 * 0 = success 3312 */ 3313 static int 3314 qla2x00_restart_isp(scsi_qla_host_t *ha) 3315 { 3316 uint8_t status = 0; 3317 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3318 unsigned long flags = 0; 3319 uint32_t wait_time; 3320 3321 /* If firmware needs to be loaded */ 3322 if (qla2x00_isp_firmware(ha)) { 3323 ha->flags.online = 0; 3324 if (!(status = ha->isp_ops->chip_diag(ha))) { 3325 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 3326 status = qla2x00_setup_chip(ha); 3327 goto done; 3328 } 3329 3330 spin_lock_irqsave(&ha->hardware_lock, flags); 3331 3332 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha) && 3333 !IS_QLA25XX(ha)) { 3334 /* 3335 * Disable SRAM, Instruction RAM and GP RAM 3336 * parity. 3337 */ 3338 WRT_REG_WORD(®->hccr, 3339 (HCCR_ENABLE_PARITY + 0x0)); 3340 RD_REG_WORD(®->hccr); 3341 } 3342 3343 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3344 3345 status = qla2x00_setup_chip(ha); 3346 3347 spin_lock_irqsave(&ha->hardware_lock, flags); 3348 3349 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha) && 3350 !IS_QLA25XX(ha)) { 3351 /* Enable proper parity */ 3352 if (IS_QLA2300(ha)) 3353 /* SRAM parity */ 3354 WRT_REG_WORD(®->hccr, 3355 (HCCR_ENABLE_PARITY + 0x1)); 3356 else 3357 /* 3358 * SRAM, Instruction RAM and GP RAM 3359 * parity. 3360 */ 3361 WRT_REG_WORD(®->hccr, 3362 (HCCR_ENABLE_PARITY + 0x7)); 3363 RD_REG_WORD(®->hccr); 3364 } 3365 3366 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3367 } 3368 } 3369 3370 done: 3371 if (!status && !(status = qla2x00_init_rings(ha))) { 3372 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3373 if (!(status = qla2x00_fw_ready(ha))) { 3374 DEBUG(printk("%s(): Start configure loop, " 3375 "status = %d\n", __func__, status)); 3376 3377 /* Issue a marker after FW becomes ready. */ 3378 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3379 3380 ha->flags.online = 1; 3381 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3382 wait_time = 256; 3383 do { 3384 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3385 qla2x00_configure_loop(ha); 3386 wait_time--; 3387 } while (!atomic_read(&ha->loop_down_timer) && 3388 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3389 wait_time && 3390 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3391 } 3392 3393 /* if no cable then assume it's good */ 3394 if ((ha->device_flags & DFLG_NO_CABLE)) 3395 status = 0; 3396 3397 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", 3398 __func__, 3399 status)); 3400 } 3401 return (status); 3402 } 3403 3404 /* 3405 * qla2x00_reset_adapter 3406 * Reset adapter. 3407 * 3408 * Input: 3409 * ha = adapter block pointer. 3410 */ 3411 void 3412 qla2x00_reset_adapter(scsi_qla_host_t *ha) 3413 { 3414 unsigned long flags = 0; 3415 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3416 3417 ha->flags.online = 0; 3418 ha->isp_ops->disable_intrs(ha); 3419 3420 spin_lock_irqsave(&ha->hardware_lock, flags); 3421 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 3422 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3423 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 3424 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3425 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3426 } 3427 3428 void 3429 qla24xx_reset_adapter(scsi_qla_host_t *ha) 3430 { 3431 unsigned long flags = 0; 3432 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3433 3434 ha->flags.online = 0; 3435 ha->isp_ops->disable_intrs(ha); 3436 3437 spin_lock_irqsave(&ha->hardware_lock, flags); 3438 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 3439 RD_REG_DWORD(®->hccr); 3440 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 3441 RD_REG_DWORD(®->hccr); 3442 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3443 } 3444 3445 /* On sparc systems, obtain port and node WWN from firmware 3446 * properties. 3447 */ 3448 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv) 3449 { 3450 #ifdef CONFIG_SPARC 3451 struct pci_dev *pdev = ha->pdev; 3452 struct device_node *dp = pci_device_to_OF_node(pdev); 3453 const u8 *val; 3454 int len; 3455 3456 val = of_get_property(dp, "port-wwn", &len); 3457 if (val && len >= WWN_SIZE) 3458 memcpy(nv->port_name, val, WWN_SIZE); 3459 3460 val = of_get_property(dp, "node-wwn", &len); 3461 if (val && len >= WWN_SIZE) 3462 memcpy(nv->node_name, val, WWN_SIZE); 3463 #endif 3464 } 3465 3466 int 3467 qla24xx_nvram_config(scsi_qla_host_t *ha) 3468 { 3469 int rval; 3470 struct init_cb_24xx *icb; 3471 struct nvram_24xx *nv; 3472 uint32_t *dptr; 3473 uint8_t *dptr1, *dptr2; 3474 uint32_t chksum; 3475 uint16_t cnt; 3476 3477 rval = QLA_SUCCESS; 3478 icb = (struct init_cb_24xx *)ha->init_cb; 3479 nv = ha->nvram; 3480 3481 /* Determine NVRAM starting address. */ 3482 ha->nvram_size = sizeof(struct nvram_24xx); 3483 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 3484 ha->vpd_size = FA_NVRAM_VPD_SIZE; 3485 ha->vpd_base = FA_NVRAM_VPD0_ADDR; 3486 if (PCI_FUNC(ha->pdev->devfn)) { 3487 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 3488 ha->vpd_base = FA_NVRAM_VPD1_ADDR; 3489 } 3490 3491 /* Get VPD data into cache */ 3492 ha->vpd = ha->nvram + VPD_OFFSET; 3493 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd, 3494 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4); 3495 3496 /* Get NVRAM data into cache and calculate checksum. */ 3497 dptr = (uint32_t *)nv; 3498 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, 3499 ha->nvram_size); 3500 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) 3501 chksum += le32_to_cpu(*dptr++); 3502 3503 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 3504 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); 3505 3506 /* Bad NVRAM data, set defaults parameters. */ 3507 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' 3508 || nv->id[3] != ' ' || 3509 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { 3510 /* Reset NVRAM data. */ 3511 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 3512 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 3513 le16_to_cpu(nv->nvram_version)); 3514 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 3515 "invalid -- WWPN) defaults.\n"); 3516 3517 /* 3518 * Set default initialization control block. 3519 */ 3520 memset(nv, 0, ha->nvram_size); 3521 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); 3522 nv->version = __constant_cpu_to_le16(ICB_VERSION); 3523 nv->frame_payload_size = __constant_cpu_to_le16(2048); 3524 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3525 nv->exchange_count = __constant_cpu_to_le16(0); 3526 nv->hard_address = __constant_cpu_to_le16(124); 3527 nv->port_name[0] = 0x21; 3528 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); 3529 nv->port_name[2] = 0x00; 3530 nv->port_name[3] = 0xe0; 3531 nv->port_name[4] = 0x8b; 3532 nv->port_name[5] = 0x1c; 3533 nv->port_name[6] = 0x55; 3534 nv->port_name[7] = 0x86; 3535 nv->node_name[0] = 0x20; 3536 nv->node_name[1] = 0x00; 3537 nv->node_name[2] = 0x00; 3538 nv->node_name[3] = 0xe0; 3539 nv->node_name[4] = 0x8b; 3540 nv->node_name[5] = 0x1c; 3541 nv->node_name[6] = 0x55; 3542 nv->node_name[7] = 0x86; 3543 qla24xx_nvram_wwn_from_ofw(ha, nv); 3544 nv->login_retry_count = __constant_cpu_to_le16(8); 3545 nv->interrupt_delay_timer = __constant_cpu_to_le16(0); 3546 nv->login_timeout = __constant_cpu_to_le16(0); 3547 nv->firmware_options_1 = 3548 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 3549 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); 3550 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); 3551 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); 3552 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); 3553 nv->efi_parameters = __constant_cpu_to_le32(0); 3554 nv->reset_delay = 5; 3555 nv->max_luns_per_target = __constant_cpu_to_le16(128); 3556 nv->port_down_retry_count = __constant_cpu_to_le16(30); 3557 nv->link_down_timeout = __constant_cpu_to_le16(30); 3558 3559 rval = 1; 3560 } 3561 3562 /* Reset Initialization control block */ 3563 memset(icb, 0, sizeof(struct init_cb_24xx)); 3564 3565 /* Copy 1st segment. */ 3566 dptr1 = (uint8_t *)icb; 3567 dptr2 = (uint8_t *)&nv->version; 3568 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 3569 while (cnt--) 3570 *dptr1++ = *dptr2++; 3571 3572 icb->login_retry_count = nv->login_retry_count; 3573 icb->link_down_on_nos = nv->link_down_on_nos; 3574 3575 /* Copy 2nd segment. */ 3576 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 3577 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 3578 cnt = (uint8_t *)&icb->reserved_3 - 3579 (uint8_t *)&icb->interrupt_delay_timer; 3580 while (cnt--) 3581 *dptr1++ = *dptr2++; 3582 3583 /* 3584 * Setup driver NVRAM options. 3585 */ 3586 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name), 3587 "QLA2462"); 3588 3589 /* Use alternate WWN? */ 3590 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) { 3591 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 3592 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 3593 } 3594 3595 /* Prepare nodename */ 3596 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) { 3597 /* 3598 * Firmware will apply the following mask if the nodename was 3599 * not provided. 3600 */ 3601 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 3602 icb->node_name[0] &= 0xF0; 3603 } 3604 3605 /* Set host adapter parameters. */ 3606 ha->flags.disable_risc_code_load = 0; 3607 ha->flags.enable_lip_reset = 0; 3608 ha->flags.enable_lip_full_login = 3609 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0; 3610 ha->flags.enable_target_reset = 3611 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0; 3612 ha->flags.enable_led_scheme = 0; 3613 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0; 3614 3615 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & 3616 (BIT_6 | BIT_5 | BIT_4)) >> 4; 3617 3618 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 3619 sizeof(ha->fw_seriallink_options24)); 3620 3621 /* save HBA serial number */ 3622 ha->serial0 = icb->port_name[5]; 3623 ha->serial1 = icb->port_name[6]; 3624 ha->serial2 = icb->port_name[7]; 3625 ha->node_name = icb->node_name; 3626 ha->port_name = icb->port_name; 3627 3628 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3629 3630 ha->retry_count = le16_to_cpu(nv->login_retry_count); 3631 3632 /* Set minimum login_timeout to 4 seconds. */ 3633 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 3634 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 3635 if (le16_to_cpu(nv->login_timeout) < 4) 3636 nv->login_timeout = __constant_cpu_to_le16(4); 3637 ha->login_timeout = le16_to_cpu(nv->login_timeout); 3638 icb->login_timeout = cpu_to_le16(nv->login_timeout); 3639 3640 /* Set minimum RATOV to 200 tenths of a second. */ 3641 ha->r_a_tov = 200; 3642 3643 ha->loop_reset_delay = nv->reset_delay; 3644 3645 /* Link Down Timeout = 0: 3646 * 3647 * When Port Down timer expires we will start returning 3648 * I/O's to OS with "DID_NO_CONNECT". 3649 * 3650 * Link Down Timeout != 0: 3651 * 3652 * The driver waits for the link to come up after link down 3653 * before returning I/Os to OS with "DID_NO_CONNECT". 3654 */ 3655 if (le16_to_cpu(nv->link_down_timeout) == 0) { 3656 ha->loop_down_abort_time = 3657 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 3658 } else { 3659 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 3660 ha->loop_down_abort_time = 3661 (LOOP_DOWN_TIME - ha->link_down_timeout); 3662 } 3663 3664 /* Need enough time to try and get the port back. */ 3665 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 3666 if (qlport_down_retry) 3667 ha->port_down_retry_count = qlport_down_retry; 3668 3669 /* Set login_retry_count */ 3670 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 3671 if (ha->port_down_retry_count == 3672 le16_to_cpu(nv->port_down_retry_count) && 3673 ha->port_down_retry_count > 3) 3674 ha->login_retry_count = ha->port_down_retry_count; 3675 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 3676 ha->login_retry_count = ha->port_down_retry_count; 3677 if (ql2xloginretrycount) 3678 ha->login_retry_count = ql2xloginretrycount; 3679 3680 /* Enable ZIO. */ 3681 if (!ha->flags.init_done) { 3682 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 3683 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 3684 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 3685 le16_to_cpu(icb->interrupt_delay_timer): 2; 3686 } 3687 icb->firmware_options_2 &= __constant_cpu_to_le32( 3688 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 3689 ha->flags.process_response_queue = 0; 3690 if (ha->zio_mode != QLA_ZIO_DISABLED) { 3691 ha->zio_mode = QLA_ZIO_MODE_6; 3692 3693 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay " 3694 "(%d us).\n", ha->host_no, ha->zio_mode, 3695 ha->zio_timer * 100)); 3696 qla_printk(KERN_INFO, ha, 3697 "ZIO mode %d enabled; timer delay (%d us).\n", 3698 ha->zio_mode, ha->zio_timer * 100); 3699 3700 icb->firmware_options_2 |= cpu_to_le32( 3701 (uint32_t)ha->zio_mode); 3702 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 3703 ha->flags.process_response_queue = 1; 3704 } 3705 3706 if (rval) { 3707 DEBUG2_3(printk(KERN_WARNING 3708 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 3709 } 3710 return (rval); 3711 } 3712 3713 static int 3714 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3715 { 3716 int rval; 3717 int segments, fragment; 3718 uint32_t faddr; 3719 uint32_t *dcode, dlen; 3720 uint32_t risc_addr; 3721 uint32_t risc_size; 3722 uint32_t i; 3723 3724 rval = QLA_SUCCESS; 3725 3726 segments = FA_RISC_CODE_SEGMENTS; 3727 faddr = FA_RISC_CODE_ADDR; 3728 dcode = (uint32_t *)ha->request_ring; 3729 *srisc_addr = 0; 3730 3731 /* Validate firmware image by checking version. */ 3732 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); 3733 for (i = 0; i < 4; i++) 3734 dcode[i] = be32_to_cpu(dcode[i]); 3735 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3736 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3737 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3738 dcode[3] == 0)) { 3739 qla_printk(KERN_WARNING, ha, 3740 "Unable to verify integrity of flash firmware image!\n"); 3741 qla_printk(KERN_WARNING, ha, 3742 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3743 dcode[1], dcode[2], dcode[3]); 3744 3745 return QLA_FUNCTION_FAILED; 3746 } 3747 3748 while (segments && rval == QLA_SUCCESS) { 3749 /* Read segment's load information. */ 3750 qla24xx_read_flash_data(ha, dcode, faddr, 4); 3751 3752 risc_addr = be32_to_cpu(dcode[2]); 3753 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3754 risc_size = be32_to_cpu(dcode[3]); 3755 3756 fragment = 0; 3757 while (risc_size > 0 && rval == QLA_SUCCESS) { 3758 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3759 if (dlen > risc_size) 3760 dlen = risc_size; 3761 3762 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3763 "addr %x, number of dwords 0x%x, offset 0x%x.\n", 3764 ha->host_no, risc_addr, dlen, faddr)); 3765 3766 qla24xx_read_flash_data(ha, dcode, faddr, dlen); 3767 for (i = 0; i < dlen; i++) 3768 dcode[i] = swab32(dcode[i]); 3769 3770 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3771 dlen); 3772 if (rval) { 3773 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3774 "segment %d of firmware\n", ha->host_no, 3775 fragment)); 3776 qla_printk(KERN_WARNING, ha, 3777 "[ERROR] Failed to load segment %d of " 3778 "firmware\n", fragment); 3779 break; 3780 } 3781 3782 faddr += dlen; 3783 risc_addr += dlen; 3784 risc_size -= dlen; 3785 fragment++; 3786 } 3787 3788 /* Next segment. */ 3789 segments--; 3790 } 3791 3792 return rval; 3793 } 3794 3795 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/" 3796 3797 int 3798 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3799 { 3800 int rval; 3801 int i, fragment; 3802 uint16_t *wcode, *fwcode; 3803 uint32_t risc_addr, risc_size, fwclen, wlen, *seg; 3804 struct fw_blob *blob; 3805 3806 /* Load firmware blob. */ 3807 blob = qla2x00_request_firmware(ha); 3808 if (!blob) { 3809 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3810 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3811 "from: " QLA_FW_URL ".\n"); 3812 return QLA_FUNCTION_FAILED; 3813 } 3814 3815 rval = QLA_SUCCESS; 3816 3817 wcode = (uint16_t *)ha->request_ring; 3818 *srisc_addr = 0; 3819 fwcode = (uint16_t *)blob->fw->data; 3820 fwclen = 0; 3821 3822 /* Validate firmware image by checking version. */ 3823 if (blob->fw->size < 8 * sizeof(uint16_t)) { 3824 qla_printk(KERN_WARNING, ha, 3825 "Unable to verify integrity of firmware image (%Zd)!\n", 3826 blob->fw->size); 3827 goto fail_fw_integrity; 3828 } 3829 for (i = 0; i < 4; i++) 3830 wcode[i] = be16_to_cpu(fwcode[i + 4]); 3831 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && 3832 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && 3833 wcode[2] == 0 && wcode[3] == 0)) { 3834 qla_printk(KERN_WARNING, ha, 3835 "Unable to verify integrity of firmware image!\n"); 3836 qla_printk(KERN_WARNING, ha, 3837 "Firmware data: %04x %04x %04x %04x!\n", wcode[0], 3838 wcode[1], wcode[2], wcode[3]); 3839 goto fail_fw_integrity; 3840 } 3841 3842 seg = blob->segs; 3843 while (*seg && rval == QLA_SUCCESS) { 3844 risc_addr = *seg; 3845 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; 3846 risc_size = be16_to_cpu(fwcode[3]); 3847 3848 /* Validate firmware image size. */ 3849 fwclen += risc_size * sizeof(uint16_t); 3850 if (blob->fw->size < fwclen) { 3851 qla_printk(KERN_WARNING, ha, 3852 "Unable to verify integrity of firmware image " 3853 "(%Zd)!\n", blob->fw->size); 3854 goto fail_fw_integrity; 3855 } 3856 3857 fragment = 0; 3858 while (risc_size > 0 && rval == QLA_SUCCESS) { 3859 wlen = (uint16_t)(ha->fw_transfer_size >> 1); 3860 if (wlen > risc_size) 3861 wlen = risc_size; 3862 3863 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3864 "addr %x, number of words 0x%x.\n", ha->host_no, 3865 risc_addr, wlen)); 3866 3867 for (i = 0; i < wlen; i++) 3868 wcode[i] = swab16(fwcode[i]); 3869 3870 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3871 wlen); 3872 if (rval) { 3873 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3874 "segment %d of firmware\n", ha->host_no, 3875 fragment)); 3876 qla_printk(KERN_WARNING, ha, 3877 "[ERROR] Failed to load segment %d of " 3878 "firmware\n", fragment); 3879 break; 3880 } 3881 3882 fwcode += wlen; 3883 risc_addr += wlen; 3884 risc_size -= wlen; 3885 fragment++; 3886 } 3887 3888 /* Next segment. */ 3889 seg++; 3890 } 3891 return rval; 3892 3893 fail_fw_integrity: 3894 return QLA_FUNCTION_FAILED; 3895 } 3896 3897 int 3898 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3899 { 3900 int rval; 3901 int segments, fragment; 3902 uint32_t *dcode, dlen; 3903 uint32_t risc_addr; 3904 uint32_t risc_size; 3905 uint32_t i; 3906 struct fw_blob *blob; 3907 uint32_t *fwcode, fwclen; 3908 3909 /* Load firmware blob. */ 3910 blob = qla2x00_request_firmware(ha); 3911 if (!blob) { 3912 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3913 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3914 "from: " QLA_FW_URL ".\n"); 3915 3916 /* Try to load RISC code from flash. */ 3917 qla_printk(KERN_ERR, ha, "Attempting to load (potentially " 3918 "outdated) firmware from flash.\n"); 3919 return qla24xx_load_risc_flash(ha, srisc_addr); 3920 } 3921 3922 rval = QLA_SUCCESS; 3923 3924 segments = FA_RISC_CODE_SEGMENTS; 3925 dcode = (uint32_t *)ha->request_ring; 3926 *srisc_addr = 0; 3927 fwcode = (uint32_t *)blob->fw->data; 3928 fwclen = 0; 3929 3930 /* Validate firmware image by checking version. */ 3931 if (blob->fw->size < 8 * sizeof(uint32_t)) { 3932 qla_printk(KERN_WARNING, ha, 3933 "Unable to verify integrity of firmware image (%Zd)!\n", 3934 blob->fw->size); 3935 goto fail_fw_integrity; 3936 } 3937 for (i = 0; i < 4; i++) 3938 dcode[i] = be32_to_cpu(fwcode[i + 4]); 3939 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3940 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3941 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3942 dcode[3] == 0)) { 3943 qla_printk(KERN_WARNING, ha, 3944 "Unable to verify integrity of firmware image!\n"); 3945 qla_printk(KERN_WARNING, ha, 3946 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3947 dcode[1], dcode[2], dcode[3]); 3948 goto fail_fw_integrity; 3949 } 3950 3951 while (segments && rval == QLA_SUCCESS) { 3952 risc_addr = be32_to_cpu(fwcode[2]); 3953 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3954 risc_size = be32_to_cpu(fwcode[3]); 3955 3956 /* Validate firmware image size. */ 3957 fwclen += risc_size * sizeof(uint32_t); 3958 if (blob->fw->size < fwclen) { 3959 qla_printk(KERN_WARNING, ha, 3960 "Unable to verify integrity of firmware image " 3961 "(%Zd)!\n", blob->fw->size); 3962 3963 goto fail_fw_integrity; 3964 } 3965 3966 fragment = 0; 3967 while (risc_size > 0 && rval == QLA_SUCCESS) { 3968 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3969 if (dlen > risc_size) 3970 dlen = risc_size; 3971 3972 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3973 "addr %x, number of dwords 0x%x.\n", ha->host_no, 3974 risc_addr, dlen)); 3975 3976 for (i = 0; i < dlen; i++) 3977 dcode[i] = swab32(fwcode[i]); 3978 3979 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3980 dlen); 3981 if (rval) { 3982 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3983 "segment %d of firmware\n", ha->host_no, 3984 fragment)); 3985 qla_printk(KERN_WARNING, ha, 3986 "[ERROR] Failed to load segment %d of " 3987 "firmware\n", fragment); 3988 break; 3989 } 3990 3991 fwcode += dlen; 3992 risc_addr += dlen; 3993 risc_size -= dlen; 3994 fragment++; 3995 } 3996 3997 /* Next segment. */ 3998 segments--; 3999 } 4000 return rval; 4001 4002 fail_fw_integrity: 4003 return QLA_FUNCTION_FAILED; 4004 } 4005 4006 void 4007 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha) 4008 { 4009 int ret, retries; 4010 4011 if (!IS_FWI2_CAPABLE(ha)) 4012 return; 4013 if (!ha->fw_major_version) 4014 return; 4015 4016 ret = qla2x00_stop_firmware(ha); 4017 for (retries = 5; ret != QLA_SUCCESS && retries ; retries--) { 4018 qla2x00_reset_chip(ha); 4019 if (qla2x00_chip_diag(ha) != QLA_SUCCESS) 4020 continue; 4021 if (qla2x00_setup_chip(ha) != QLA_SUCCESS) 4022 continue; 4023 qla_printk(KERN_INFO, ha, 4024 "Attempting retry of stop-firmware command...\n"); 4025 ret = qla2x00_stop_firmware(ha); 4026 } 4027 } 4028 4029 int 4030 qla24xx_configure_vhba(scsi_qla_host_t *ha) 4031 { 4032 int rval = QLA_SUCCESS; 4033 uint16_t mb[MAILBOX_REGISTER_COUNT]; 4034 4035 if (!ha->parent) 4036 return -EINVAL; 4037 4038 rval = qla2x00_fw_ready(ha); 4039 if (rval == QLA_SUCCESS) { 4040 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 4041 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 4042 } 4043 4044 ha->flags.management_server_logged_in = 0; 4045 4046 /* Login to SNS first */ 4047 qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc, 4048 mb, BIT_1); 4049 if (mb[0] != MBS_COMMAND_COMPLETE) { 4050 DEBUG15(qla_printk(KERN_INFO, ha, 4051 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 4052 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS, 4053 mb[0], mb[1], mb[2], mb[6], mb[7])); 4054 return (QLA_FUNCTION_FAILED); 4055 } 4056 4057 atomic_set(&ha->loop_down_timer, 0); 4058 atomic_set(&ha->loop_state, LOOP_UP); 4059 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 4060 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 4061 rval = qla2x00_loop_resync(ha); 4062 4063 return rval; 4064 } 4065