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 if (rval) 854 return; 855 /* No point in continuing if current settings are sufficient. */ 856 if (fw_iocb_cnt < 1024) 857 return; 858 if (ha->request_q_length >= request_q_length) 859 return; 860 861 /* Attempt to claim larger area for request queue. */ 862 request_ring = dma_alloc_coherent(&ha->pdev->dev, 863 (request_q_length + 1) * sizeof(request_t), &request_dma, 864 GFP_KERNEL); 865 if (request_ring == NULL) 866 return; 867 868 /* Resize successful, report extensions. */ 869 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", 870 (ha->fw_memory_size + 1) / 1024); 871 qla_printk(KERN_INFO, ha, "Resizing request queue depth " 872 "(%d -> %d)...\n", ha->request_q_length, request_q_length); 873 874 /* Clear old allocations. */ 875 dma_free_coherent(&ha->pdev->dev, 876 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, 877 ha->request_dma); 878 879 /* Begin using larger queue. */ 880 ha->request_q_length = request_q_length; 881 ha->request_ring = request_ring; 882 ha->request_dma = request_dma; 883 } 884 885 /** 886 * qla2x00_setup_chip() - Load and start RISC firmware. 887 * @ha: HA context 888 * 889 * Returns 0 on success. 890 */ 891 static int 892 qla2x00_setup_chip(scsi_qla_host_t *ha) 893 { 894 int rval; 895 uint32_t srisc_address = 0; 896 897 /* Load firmware sequences */ 898 rval = ha->isp_ops->load_risc(ha, &srisc_address); 899 if (rval == QLA_SUCCESS) { 900 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " 901 "code.\n", ha->host_no)); 902 903 rval = qla2x00_verify_checksum(ha, srisc_address); 904 if (rval == QLA_SUCCESS) { 905 /* Start firmware execution. */ 906 DEBUG(printk("scsi(%ld): Checksum OK, start " 907 "firmware.\n", ha->host_no)); 908 909 rval = qla2x00_execute_fw(ha, srisc_address); 910 /* Retrieve firmware information. */ 911 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { 912 qla2x00_get_fw_version(ha, 913 &ha->fw_major_version, 914 &ha->fw_minor_version, 915 &ha->fw_subminor_version, 916 &ha->fw_attributes, &ha->fw_memory_size); 917 qla2x00_resize_request_q(ha); 918 ha->flags.npiv_supported = 0; 919 if (IS_QLA24XX(ha) && 920 (ha->fw_attributes & BIT_2)) 921 ha->flags.npiv_supported = 1; 922 923 if (ql2xallocfwdump) 924 qla2x00_alloc_fw_dump(ha); 925 } 926 } else { 927 DEBUG2(printk(KERN_INFO 928 "scsi(%ld): ISP Firmware failed checksum.\n", 929 ha->host_no)); 930 } 931 } 932 933 if (rval) { 934 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", 935 ha->host_no)); 936 } 937 938 return (rval); 939 } 940 941 /** 942 * qla2x00_init_response_q_entries() - Initializes response queue entries. 943 * @ha: HA context 944 * 945 * Beginning of request ring has initialization control block already built 946 * by nvram config routine. 947 * 948 * Returns 0 on success. 949 */ 950 static void 951 qla2x00_init_response_q_entries(scsi_qla_host_t *ha) 952 { 953 uint16_t cnt; 954 response_t *pkt; 955 956 pkt = ha->response_ring_ptr; 957 for (cnt = 0; cnt < ha->response_q_length; cnt++) { 958 pkt->signature = RESPONSE_PROCESSED; 959 pkt++; 960 } 961 962 } 963 964 /** 965 * qla2x00_update_fw_options() - Read and process firmware options. 966 * @ha: HA context 967 * 968 * Returns 0 on success. 969 */ 970 void 971 qla2x00_update_fw_options(scsi_qla_host_t *ha) 972 { 973 uint16_t swing, emphasis, tx_sens, rx_sens; 974 975 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 976 qla2x00_get_fw_options(ha, ha->fw_options); 977 978 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 979 return; 980 981 /* Serial Link options. */ 982 DEBUG3(printk("scsi(%ld): Serial link options:\n", 983 ha->host_no)); 984 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, 985 sizeof(ha->fw_seriallink_options))); 986 987 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 988 if (ha->fw_seriallink_options[3] & BIT_2) { 989 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 990 991 /* 1G settings */ 992 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 993 emphasis = (ha->fw_seriallink_options[2] & 994 (BIT_4 | BIT_3)) >> 3; 995 tx_sens = ha->fw_seriallink_options[0] & 996 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 997 rx_sens = (ha->fw_seriallink_options[0] & 998 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 999 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 1000 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 1001 if (rx_sens == 0x0) 1002 rx_sens = 0x3; 1003 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 1004 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1005 ha->fw_options[10] |= BIT_5 | 1006 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1007 (tx_sens & (BIT_1 | BIT_0)); 1008 1009 /* 2G settings */ 1010 swing = (ha->fw_seriallink_options[2] & 1011 (BIT_7 | BIT_6 | BIT_5)) >> 5; 1012 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 1013 tx_sens = ha->fw_seriallink_options[1] & 1014 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1015 rx_sens = (ha->fw_seriallink_options[1] & 1016 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 1017 ha->fw_options[11] = (emphasis << 14) | (swing << 8); 1018 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 1019 if (rx_sens == 0x0) 1020 rx_sens = 0x3; 1021 ha->fw_options[11] |= (tx_sens << 4) | rx_sens; 1022 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1023 ha->fw_options[11] |= BIT_5 | 1024 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1025 (tx_sens & (BIT_1 | BIT_0)); 1026 } 1027 1028 /* FCP2 options. */ 1029 /* Return command IOCBs without waiting for an ABTS to complete. */ 1030 ha->fw_options[3] |= BIT_13; 1031 1032 /* LED scheme. */ 1033 if (ha->flags.enable_led_scheme) 1034 ha->fw_options[2] |= BIT_12; 1035 1036 /* Detect ISP6312. */ 1037 if (IS_QLA6312(ha)) 1038 ha->fw_options[2] |= BIT_13; 1039 1040 /* Update firmware options. */ 1041 qla2x00_set_fw_options(ha, ha->fw_options); 1042 } 1043 1044 void 1045 qla24xx_update_fw_options(scsi_qla_host_t *ha) 1046 { 1047 int rval; 1048 1049 /* Update Serial Link options. */ 1050 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0) 1051 return; 1052 1053 rval = qla2x00_set_serdes_params(ha, 1054 le16_to_cpu(ha->fw_seriallink_options24[1]), 1055 le16_to_cpu(ha->fw_seriallink_options24[2]), 1056 le16_to_cpu(ha->fw_seriallink_options24[3])); 1057 if (rval != QLA_SUCCESS) { 1058 qla_printk(KERN_WARNING, ha, 1059 "Unable to update Serial Link options (%x).\n", rval); 1060 } 1061 } 1062 1063 void 1064 qla2x00_config_rings(struct scsi_qla_host *ha) 1065 { 1066 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1067 1068 /* Setup ring parameters in initialization control block. */ 1069 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); 1070 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); 1071 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); 1072 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); 1073 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1074 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1075 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1076 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1077 1078 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); 1079 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); 1080 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); 1081 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); 1082 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 1083 } 1084 1085 void 1086 qla24xx_config_rings(struct scsi_qla_host *ha) 1087 { 1088 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1089 struct init_cb_24xx *icb; 1090 1091 /* Setup ring parameters in initialization control block. */ 1092 icb = (struct init_cb_24xx *)ha->init_cb; 1093 icb->request_q_outpointer = __constant_cpu_to_le16(0); 1094 icb->response_q_inpointer = __constant_cpu_to_le16(0); 1095 icb->request_q_length = cpu_to_le16(ha->request_q_length); 1096 icb->response_q_length = cpu_to_le16(ha->response_q_length); 1097 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1098 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1099 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1100 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1101 1102 WRT_REG_DWORD(®->req_q_in, 0); 1103 WRT_REG_DWORD(®->req_q_out, 0); 1104 WRT_REG_DWORD(®->rsp_q_in, 0); 1105 WRT_REG_DWORD(®->rsp_q_out, 0); 1106 RD_REG_DWORD(®->rsp_q_out); 1107 } 1108 1109 /** 1110 * qla2x00_init_rings() - Initializes firmware. 1111 * @ha: HA context 1112 * 1113 * Beginning of request ring has initialization control block already built 1114 * by nvram config routine. 1115 * 1116 * Returns 0 on success. 1117 */ 1118 static int 1119 qla2x00_init_rings(scsi_qla_host_t *ha) 1120 { 1121 int rval; 1122 unsigned long flags = 0; 1123 int cnt; 1124 struct mid_init_cb_24xx *mid_init_cb = 1125 (struct mid_init_cb_24xx *) ha->init_cb; 1126 1127 spin_lock_irqsave(&ha->hardware_lock, flags); 1128 1129 /* Clear outstanding commands array. */ 1130 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) 1131 ha->outstanding_cmds[cnt] = NULL; 1132 1133 ha->current_outstanding_cmd = 0; 1134 1135 /* Clear RSCN queue. */ 1136 ha->rscn_in_ptr = 0; 1137 ha->rscn_out_ptr = 0; 1138 1139 /* Initialize firmware. */ 1140 ha->request_ring_ptr = ha->request_ring; 1141 ha->req_ring_index = 0; 1142 ha->req_q_cnt = ha->request_q_length; 1143 ha->response_ring_ptr = ha->response_ring; 1144 ha->rsp_ring_index = 0; 1145 1146 /* Initialize response queue entries */ 1147 qla2x00_init_response_q_entries(ha); 1148 1149 ha->isp_ops->config_rings(ha); 1150 1151 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1152 1153 /* Update any ISP specific firmware options before initialization. */ 1154 ha->isp_ops->update_fw_options(ha); 1155 1156 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); 1157 1158 mid_init_cb->count = MAX_NUM_VPORT_FABRIC; 1159 ha->max_npiv_vports = MAX_NUM_VPORT_FABRIC; 1160 1161 rval = qla2x00_init_firmware(ha, ha->init_cb_size); 1162 if (rval) { 1163 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", 1164 ha->host_no)); 1165 } else { 1166 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", 1167 ha->host_no)); 1168 } 1169 1170 return (rval); 1171 } 1172 1173 /** 1174 * qla2x00_fw_ready() - Waits for firmware ready. 1175 * @ha: HA context 1176 * 1177 * Returns 0 on success. 1178 */ 1179 static int 1180 qla2x00_fw_ready(scsi_qla_host_t *ha) 1181 { 1182 int rval; 1183 unsigned long wtime, mtime; 1184 uint16_t min_wait; /* Minimum wait time if loop is down */ 1185 uint16_t wait_time; /* Wait time if loop is coming ready */ 1186 uint16_t fw_state; 1187 1188 rval = QLA_SUCCESS; 1189 1190 /* 20 seconds for loop down. */ 1191 min_wait = 20; 1192 1193 /* 1194 * Firmware should take at most one RATOV to login, plus 5 seconds for 1195 * our own processing. 1196 */ 1197 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 1198 wait_time = min_wait; 1199 } 1200 1201 /* Min wait time if loop down */ 1202 mtime = jiffies + (min_wait * HZ); 1203 1204 /* wait time before firmware ready */ 1205 wtime = jiffies + (wait_time * HZ); 1206 1207 /* Wait for ISP to finish LIP */ 1208 if (!ha->flags.init_done) 1209 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); 1210 1211 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", 1212 ha->host_no)); 1213 1214 do { 1215 rval = qla2x00_get_firmware_state(ha, &fw_state); 1216 if (rval == QLA_SUCCESS) { 1217 if (fw_state < FSTATE_LOSS_OF_SYNC) { 1218 ha->device_flags &= ~DFLG_NO_CABLE; 1219 } 1220 if (fw_state == FSTATE_READY) { 1221 DEBUG(printk("scsi(%ld): F/W Ready - OK \n", 1222 ha->host_no)); 1223 1224 qla2x00_get_retry_cnt(ha, &ha->retry_count, 1225 &ha->login_timeout, &ha->r_a_tov); 1226 1227 rval = QLA_SUCCESS; 1228 break; 1229 } 1230 1231 rval = QLA_FUNCTION_FAILED; 1232 1233 if (atomic_read(&ha->loop_down_timer) && 1234 fw_state != FSTATE_READY) { 1235 /* Loop down. Timeout on min_wait for states 1236 * other than Wait for Login. 1237 */ 1238 if (time_after_eq(jiffies, mtime)) { 1239 qla_printk(KERN_INFO, ha, 1240 "Cable is unplugged...\n"); 1241 1242 ha->device_flags |= DFLG_NO_CABLE; 1243 break; 1244 } 1245 } 1246 } else { 1247 /* Mailbox cmd failed. Timeout on min_wait. */ 1248 if (time_after_eq(jiffies, mtime)) 1249 break; 1250 } 1251 1252 if (time_after_eq(jiffies, wtime)) 1253 break; 1254 1255 /* Delay for a while */ 1256 msleep(500); 1257 1258 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1259 ha->host_no, fw_state, jiffies)); 1260 } while (1); 1261 1262 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1263 ha->host_no, fw_state, jiffies)); 1264 1265 if (rval) { 1266 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", 1267 ha->host_no)); 1268 } 1269 1270 return (rval); 1271 } 1272 1273 /* 1274 * qla2x00_configure_hba 1275 * Setup adapter context. 1276 * 1277 * Input: 1278 * ha = adapter state pointer. 1279 * 1280 * Returns: 1281 * 0 = success 1282 * 1283 * Context: 1284 * Kernel context. 1285 */ 1286 static int 1287 qla2x00_configure_hba(scsi_qla_host_t *ha) 1288 { 1289 int rval; 1290 uint16_t loop_id; 1291 uint16_t topo; 1292 uint16_t sw_cap; 1293 uint8_t al_pa; 1294 uint8_t area; 1295 uint8_t domain; 1296 char connect_type[22]; 1297 1298 /* Get host addresses. */ 1299 rval = qla2x00_get_adapter_id(ha, 1300 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap); 1301 if (rval != QLA_SUCCESS) { 1302 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) || 1303 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { 1304 DEBUG2(printk("%s(%ld) Loop is in a transition state\n", 1305 __func__, ha->host_no)); 1306 } else { 1307 qla_printk(KERN_WARNING, ha, 1308 "ERROR -- Unable to get host loop ID.\n"); 1309 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 1310 } 1311 return (rval); 1312 } 1313 1314 if (topo == 4) { 1315 qla_printk(KERN_INFO, ha, 1316 "Cannot get topology - retrying.\n"); 1317 return (QLA_FUNCTION_FAILED); 1318 } 1319 1320 ha->loop_id = loop_id; 1321 1322 /* initialize */ 1323 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 1324 ha->operating_mode = LOOP; 1325 ha->switch_cap = 0; 1326 1327 switch (topo) { 1328 case 0: 1329 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", 1330 ha->host_no)); 1331 ha->current_topology = ISP_CFG_NL; 1332 strcpy(connect_type, "(Loop)"); 1333 break; 1334 1335 case 1: 1336 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", 1337 ha->host_no)); 1338 ha->switch_cap = sw_cap; 1339 ha->current_topology = ISP_CFG_FL; 1340 strcpy(connect_type, "(FL_Port)"); 1341 break; 1342 1343 case 2: 1344 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", 1345 ha->host_no)); 1346 ha->operating_mode = P2P; 1347 ha->current_topology = ISP_CFG_N; 1348 strcpy(connect_type, "(N_Port-to-N_Port)"); 1349 break; 1350 1351 case 3: 1352 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", 1353 ha->host_no)); 1354 ha->switch_cap = sw_cap; 1355 ha->operating_mode = P2P; 1356 ha->current_topology = ISP_CFG_F; 1357 strcpy(connect_type, "(F_Port)"); 1358 break; 1359 1360 default: 1361 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " 1362 "Using NL.\n", 1363 ha->host_no, topo)); 1364 ha->current_topology = ISP_CFG_NL; 1365 strcpy(connect_type, "(Loop)"); 1366 break; 1367 } 1368 1369 /* Save Host port and loop ID. */ 1370 /* byte order - Big Endian */ 1371 ha->d_id.b.domain = domain; 1372 ha->d_id.b.area = area; 1373 ha->d_id.b.al_pa = al_pa; 1374 1375 if (!ha->flags.init_done) 1376 qla_printk(KERN_INFO, ha, 1377 "Topology - %s, Host Loop address 0x%x\n", 1378 connect_type, ha->loop_id); 1379 1380 if (rval) { 1381 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); 1382 } else { 1383 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); 1384 } 1385 1386 return(rval); 1387 } 1388 1389 static inline void 1390 qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def) 1391 { 1392 char *st, *en; 1393 uint16_t index; 1394 1395 if (memcmp(model, BINZERO, len) != 0) { 1396 strncpy(ha->model_number, model, len); 1397 st = en = ha->model_number; 1398 en += len - 1; 1399 while (en > st) { 1400 if (*en != 0x20 && *en != 0x00) 1401 break; 1402 *en-- = '\0'; 1403 } 1404 1405 index = (ha->pdev->subsystem_device & 0xff); 1406 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 1407 index < QLA_MODEL_NAMES) 1408 ha->model_desc = qla2x00_model_name[index * 2 + 1]; 1409 } else { 1410 index = (ha->pdev->subsystem_device & 0xff); 1411 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 1412 index < QLA_MODEL_NAMES) { 1413 strcpy(ha->model_number, 1414 qla2x00_model_name[index * 2]); 1415 ha->model_desc = qla2x00_model_name[index * 2 + 1]; 1416 } else { 1417 strcpy(ha->model_number, def); 1418 } 1419 } 1420 } 1421 1422 /* On sparc systems, obtain port and node WWN from firmware 1423 * properties. 1424 */ 1425 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv) 1426 { 1427 #ifdef CONFIG_SPARC 1428 struct pci_dev *pdev = ha->pdev; 1429 struct device_node *dp = pci_device_to_OF_node(pdev); 1430 const u8 *val; 1431 int len; 1432 1433 val = of_get_property(dp, "port-wwn", &len); 1434 if (val && len >= WWN_SIZE) 1435 memcpy(nv->port_name, val, WWN_SIZE); 1436 1437 val = of_get_property(dp, "node-wwn", &len); 1438 if (val && len >= WWN_SIZE) 1439 memcpy(nv->node_name, val, WWN_SIZE); 1440 #endif 1441 } 1442 1443 /* 1444 * NVRAM configuration for ISP 2xxx 1445 * 1446 * Input: 1447 * ha = adapter block pointer. 1448 * 1449 * Output: 1450 * initialization control block in response_ring 1451 * host adapters parameters in host adapter block 1452 * 1453 * Returns: 1454 * 0 = success. 1455 */ 1456 int 1457 qla2x00_nvram_config(scsi_qla_host_t *ha) 1458 { 1459 int rval; 1460 uint8_t chksum = 0; 1461 uint16_t cnt; 1462 uint8_t *dptr1, *dptr2; 1463 init_cb_t *icb = ha->init_cb; 1464 nvram_t *nv = ha->nvram; 1465 uint8_t *ptr = ha->nvram; 1466 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1467 1468 rval = QLA_SUCCESS; 1469 1470 /* Determine NVRAM starting address. */ 1471 ha->nvram_size = sizeof(nvram_t); 1472 ha->nvram_base = 0; 1473 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 1474 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) 1475 ha->nvram_base = 0x80; 1476 1477 /* Get NVRAM data and calculate checksum. */ 1478 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size); 1479 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 1480 chksum += *ptr++; 1481 1482 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 1483 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); 1484 1485 /* Bad NVRAM data, set defaults parameters. */ 1486 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || 1487 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { 1488 /* Reset NVRAM data. */ 1489 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 1490 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 1491 nv->nvram_version); 1492 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 1493 "invalid -- WWPN) defaults.\n"); 1494 1495 /* 1496 * Set default initialization control block. 1497 */ 1498 memset(nv, 0, ha->nvram_size); 1499 nv->parameter_block_version = ICB_VERSION; 1500 1501 if (IS_QLA23XX(ha)) { 1502 nv->firmware_options[0] = BIT_2 | BIT_1; 1503 nv->firmware_options[1] = BIT_7 | BIT_5; 1504 nv->add_firmware_options[0] = BIT_5; 1505 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1506 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1507 nv->special_options[1] = BIT_7; 1508 } else if (IS_QLA2200(ha)) { 1509 nv->firmware_options[0] = BIT_2 | BIT_1; 1510 nv->firmware_options[1] = BIT_7 | BIT_5; 1511 nv->add_firmware_options[0] = BIT_5; 1512 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1513 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1514 } else if (IS_QLA2100(ha)) { 1515 nv->firmware_options[0] = BIT_3 | BIT_1; 1516 nv->firmware_options[1] = BIT_5; 1517 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1518 } 1519 1520 nv->max_iocb_allocation = __constant_cpu_to_le16(256); 1521 nv->execution_throttle = __constant_cpu_to_le16(16); 1522 nv->retry_count = 8; 1523 nv->retry_delay = 1; 1524 1525 nv->port_name[0] = 33; 1526 nv->port_name[3] = 224; 1527 nv->port_name[4] = 139; 1528 1529 qla2xxx_nvram_wwn_from_ofw(ha, nv); 1530 1531 nv->login_timeout = 4; 1532 1533 /* 1534 * Set default host adapter parameters 1535 */ 1536 nv->host_p[1] = BIT_2; 1537 nv->reset_delay = 5; 1538 nv->port_down_retry_count = 8; 1539 nv->max_luns_per_target = __constant_cpu_to_le16(8); 1540 nv->link_down_timeout = 60; 1541 1542 rval = 1; 1543 } 1544 1545 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) 1546 /* 1547 * The SN2 does not provide BIOS emulation which means you can't change 1548 * potentially bogus BIOS settings. Force the use of default settings 1549 * for link rate and frame size. Hope that the rest of the settings 1550 * are valid. 1551 */ 1552 if (ia64_platform_is("sn2")) { 1553 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1554 if (IS_QLA23XX(ha)) 1555 nv->special_options[1] = BIT_7; 1556 } 1557 #endif 1558 1559 /* Reset Initialization control block */ 1560 memset(icb, 0, ha->init_cb_size); 1561 1562 /* 1563 * Setup driver NVRAM options. 1564 */ 1565 nv->firmware_options[0] |= (BIT_6 | BIT_1); 1566 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 1567 nv->firmware_options[1] |= (BIT_5 | BIT_0); 1568 nv->firmware_options[1] &= ~BIT_4; 1569 1570 if (IS_QLA23XX(ha)) { 1571 nv->firmware_options[0] |= BIT_2; 1572 nv->firmware_options[0] &= ~BIT_3; 1573 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 1574 1575 if (IS_QLA2300(ha)) { 1576 if (ha->fb_rev == FPM_2310) { 1577 strcpy(ha->model_number, "QLA2310"); 1578 } else { 1579 strcpy(ha->model_number, "QLA2300"); 1580 } 1581 } else { 1582 qla2x00_set_model_info(ha, nv->model_number, 1583 sizeof(nv->model_number), "QLA23xx"); 1584 } 1585 } else if (IS_QLA2200(ha)) { 1586 nv->firmware_options[0] |= BIT_2; 1587 /* 1588 * 'Point-to-point preferred, else loop' is not a safe 1589 * connection mode setting. 1590 */ 1591 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 1592 (BIT_5 | BIT_4)) { 1593 /* Force 'loop preferred, else point-to-point'. */ 1594 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 1595 nv->add_firmware_options[0] |= BIT_5; 1596 } 1597 strcpy(ha->model_number, "QLA22xx"); 1598 } else /*if (IS_QLA2100(ha))*/ { 1599 strcpy(ha->model_number, "QLA2100"); 1600 } 1601 1602 /* 1603 * Copy over NVRAM RISC parameter block to initialization control block. 1604 */ 1605 dptr1 = (uint8_t *)icb; 1606 dptr2 = (uint8_t *)&nv->parameter_block_version; 1607 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 1608 while (cnt--) 1609 *dptr1++ = *dptr2++; 1610 1611 /* Copy 2nd half. */ 1612 dptr1 = (uint8_t *)icb->add_firmware_options; 1613 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 1614 while (cnt--) 1615 *dptr1++ = *dptr2++; 1616 1617 /* Use alternate WWN? */ 1618 if (nv->host_p[1] & BIT_7) { 1619 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 1620 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 1621 } 1622 1623 /* Prepare nodename */ 1624 if ((icb->firmware_options[1] & BIT_6) == 0) { 1625 /* 1626 * Firmware will apply the following mask if the nodename was 1627 * not provided. 1628 */ 1629 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 1630 icb->node_name[0] &= 0xF0; 1631 } 1632 1633 /* 1634 * Set host adapter parameters. 1635 */ 1636 if (nv->host_p[0] & BIT_7) 1637 ql2xextended_error_logging = 1; 1638 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 1639 /* Always load RISC code on non ISP2[12]00 chips. */ 1640 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 1641 ha->flags.disable_risc_code_load = 0; 1642 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 1643 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 1644 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 1645 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; 1646 ha->flags.disable_serdes = 0; 1647 1648 ha->operating_mode = 1649 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 1650 1651 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 1652 sizeof(ha->fw_seriallink_options)); 1653 1654 /* save HBA serial number */ 1655 ha->serial0 = icb->port_name[5]; 1656 ha->serial1 = icb->port_name[6]; 1657 ha->serial2 = icb->port_name[7]; 1658 ha->node_name = icb->node_name; 1659 ha->port_name = icb->port_name; 1660 1661 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 1662 1663 ha->retry_count = nv->retry_count; 1664 1665 /* Set minimum login_timeout to 4 seconds. */ 1666 if (nv->login_timeout < ql2xlogintimeout) 1667 nv->login_timeout = ql2xlogintimeout; 1668 if (nv->login_timeout < 4) 1669 nv->login_timeout = 4; 1670 ha->login_timeout = nv->login_timeout; 1671 icb->login_timeout = nv->login_timeout; 1672 1673 /* Set minimum RATOV to 200 tenths of a second. */ 1674 ha->r_a_tov = 200; 1675 1676 ha->loop_reset_delay = nv->reset_delay; 1677 1678 /* Link Down Timeout = 0: 1679 * 1680 * When Port Down timer expires we will start returning 1681 * I/O's to OS with "DID_NO_CONNECT". 1682 * 1683 * Link Down Timeout != 0: 1684 * 1685 * The driver waits for the link to come up after link down 1686 * before returning I/Os to OS with "DID_NO_CONNECT". 1687 */ 1688 if (nv->link_down_timeout == 0) { 1689 ha->loop_down_abort_time = 1690 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 1691 } else { 1692 ha->link_down_timeout = nv->link_down_timeout; 1693 ha->loop_down_abort_time = 1694 (LOOP_DOWN_TIME - ha->link_down_timeout); 1695 } 1696 1697 /* 1698 * Need enough time to try and get the port back. 1699 */ 1700 ha->port_down_retry_count = nv->port_down_retry_count; 1701 if (qlport_down_retry) 1702 ha->port_down_retry_count = qlport_down_retry; 1703 /* Set login_retry_count */ 1704 ha->login_retry_count = nv->retry_count; 1705 if (ha->port_down_retry_count == nv->port_down_retry_count && 1706 ha->port_down_retry_count > 3) 1707 ha->login_retry_count = ha->port_down_retry_count; 1708 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 1709 ha->login_retry_count = ha->port_down_retry_count; 1710 if (ql2xloginretrycount) 1711 ha->login_retry_count = ql2xloginretrycount; 1712 1713 icb->lun_enables = __constant_cpu_to_le16(0); 1714 icb->command_resource_count = 0; 1715 icb->immediate_notify_resource_count = 0; 1716 icb->timeout = __constant_cpu_to_le16(0); 1717 1718 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 1719 /* Enable RIO */ 1720 icb->firmware_options[0] &= ~BIT_3; 1721 icb->add_firmware_options[0] &= 1722 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1723 icb->add_firmware_options[0] |= BIT_2; 1724 icb->response_accumulation_timer = 3; 1725 icb->interrupt_delay_timer = 5; 1726 1727 ha->flags.process_response_queue = 1; 1728 } else { 1729 /* Enable ZIO. */ 1730 if (!ha->flags.init_done) { 1731 ha->zio_mode = icb->add_firmware_options[0] & 1732 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1733 ha->zio_timer = icb->interrupt_delay_timer ? 1734 icb->interrupt_delay_timer: 2; 1735 } 1736 icb->add_firmware_options[0] &= 1737 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1738 ha->flags.process_response_queue = 0; 1739 if (ha->zio_mode != QLA_ZIO_DISABLED) { 1740 ha->zio_mode = QLA_ZIO_MODE_6; 1741 1742 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer " 1743 "delay (%d us).\n", ha->host_no, ha->zio_mode, 1744 ha->zio_timer * 100)); 1745 qla_printk(KERN_INFO, ha, 1746 "ZIO mode %d enabled; timer delay (%d us).\n", 1747 ha->zio_mode, ha->zio_timer * 100); 1748 1749 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; 1750 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; 1751 ha->flags.process_response_queue = 1; 1752 } 1753 } 1754 1755 if (rval) { 1756 DEBUG2_3(printk(KERN_WARNING 1757 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 1758 } 1759 return (rval); 1760 } 1761 1762 static void 1763 qla2x00_rport_del(void *data) 1764 { 1765 fc_port_t *fcport = data; 1766 struct fc_rport *rport; 1767 unsigned long flags; 1768 1769 spin_lock_irqsave(&fcport->rport_lock, flags); 1770 rport = fcport->drport; 1771 fcport->drport = NULL; 1772 spin_unlock_irqrestore(&fcport->rport_lock, flags); 1773 if (rport) 1774 fc_remote_port_delete(rport); 1775 } 1776 1777 /** 1778 * qla2x00_alloc_fcport() - Allocate a generic fcport. 1779 * @ha: HA context 1780 * @flags: allocation flags 1781 * 1782 * Returns a pointer to the allocated fcport, or NULL, if none available. 1783 */ 1784 static fc_port_t * 1785 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags) 1786 { 1787 fc_port_t *fcport; 1788 1789 fcport = kmalloc(sizeof(fc_port_t), flags); 1790 if (fcport == NULL) 1791 return (fcport); 1792 1793 /* Setup fcport template structure. */ 1794 memset(fcport, 0, sizeof (fc_port_t)); 1795 fcport->ha = ha; 1796 fcport->vp_idx = ha->vp_idx; 1797 fcport->port_type = FCT_UNKNOWN; 1798 fcport->loop_id = FC_NO_LOOP_ID; 1799 atomic_set(&fcport->state, FCS_UNCONFIGURED); 1800 fcport->flags = FCF_RLC_SUPPORT; 1801 fcport->supported_classes = FC_COS_UNSPECIFIED; 1802 spin_lock_init(&fcport->rport_lock); 1803 1804 return (fcport); 1805 } 1806 1807 /* 1808 * qla2x00_configure_loop 1809 * Updates Fibre Channel Device Database with what is actually on loop. 1810 * 1811 * Input: 1812 * ha = adapter block pointer. 1813 * 1814 * Returns: 1815 * 0 = success. 1816 * 1 = error. 1817 * 2 = database was full and device was not configured. 1818 */ 1819 static int 1820 qla2x00_configure_loop(scsi_qla_host_t *ha) 1821 { 1822 int rval; 1823 unsigned long flags, save_flags; 1824 1825 rval = QLA_SUCCESS; 1826 1827 /* Get Initiator ID */ 1828 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { 1829 rval = qla2x00_configure_hba(ha); 1830 if (rval != QLA_SUCCESS) { 1831 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", 1832 ha->host_no)); 1833 return (rval); 1834 } 1835 } 1836 1837 save_flags = flags = ha->dpc_flags; 1838 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", 1839 ha->host_no, flags)); 1840 1841 /* 1842 * If we have both an RSCN and PORT UPDATE pending then handle them 1843 * both at the same time. 1844 */ 1845 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1846 clear_bit(RSCN_UPDATE, &ha->dpc_flags); 1847 1848 /* Determine what we need to do */ 1849 if (ha->current_topology == ISP_CFG_FL && 1850 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1851 1852 ha->flags.rscn_queue_overflow = 1; 1853 set_bit(RSCN_UPDATE, &flags); 1854 1855 } else if (ha->current_topology == ISP_CFG_F && 1856 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1857 1858 ha->flags.rscn_queue_overflow = 1; 1859 set_bit(RSCN_UPDATE, &flags); 1860 clear_bit(LOCAL_LOOP_UPDATE, &flags); 1861 1862 } else if (ha->current_topology == ISP_CFG_N) { 1863 clear_bit(RSCN_UPDATE, &flags); 1864 1865 } else if (!ha->flags.online || 1866 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 1867 1868 ha->flags.rscn_queue_overflow = 1; 1869 set_bit(RSCN_UPDATE, &flags); 1870 set_bit(LOCAL_LOOP_UPDATE, &flags); 1871 } 1872 1873 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 1874 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1875 rval = QLA_FUNCTION_FAILED; 1876 } else { 1877 rval = qla2x00_configure_local_loop(ha); 1878 } 1879 } 1880 1881 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 1882 if (LOOP_TRANSITION(ha)) { 1883 rval = QLA_FUNCTION_FAILED; 1884 } else { 1885 rval = qla2x00_configure_fabric(ha); 1886 } 1887 } 1888 1889 if (rval == QLA_SUCCESS) { 1890 if (atomic_read(&ha->loop_down_timer) || 1891 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1892 rval = QLA_FUNCTION_FAILED; 1893 } else { 1894 atomic_set(&ha->loop_state, LOOP_READY); 1895 1896 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); 1897 } 1898 } 1899 1900 if (rval) { 1901 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", 1902 __func__, ha->host_no)); 1903 } else { 1904 DEBUG3(printk("%s: exiting normally\n", __func__)); 1905 } 1906 1907 /* Restore state if a resync event occured during processing */ 1908 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1909 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 1910 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1911 if (test_bit(RSCN_UPDATE, &save_flags)) 1912 set_bit(RSCN_UPDATE, &ha->dpc_flags); 1913 } 1914 1915 return (rval); 1916 } 1917 1918 1919 1920 /* 1921 * qla2x00_configure_local_loop 1922 * Updates Fibre Channel Device Database with local loop devices. 1923 * 1924 * Input: 1925 * ha = adapter block pointer. 1926 * 1927 * Returns: 1928 * 0 = success. 1929 */ 1930 static int 1931 qla2x00_configure_local_loop(scsi_qla_host_t *ha) 1932 { 1933 int rval, rval2; 1934 int found_devs; 1935 int found; 1936 fc_port_t *fcport, *new_fcport; 1937 1938 uint16_t index; 1939 uint16_t entries; 1940 char *id_iter; 1941 uint16_t loop_id; 1942 uint8_t domain, area, al_pa; 1943 scsi_qla_host_t *pha = to_qla_parent(ha); 1944 1945 found_devs = 0; 1946 new_fcport = NULL; 1947 entries = MAX_FIBRE_DEVICES; 1948 1949 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); 1950 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); 1951 1952 /* Get list of logged in devices. */ 1953 memset(ha->gid_list, 0, GID_LIST_SIZE); 1954 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, 1955 &entries); 1956 if (rval != QLA_SUCCESS) 1957 goto cleanup_allocation; 1958 1959 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", 1960 ha->host_no, entries)); 1961 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, 1962 entries * sizeof(struct gid_list_info))); 1963 1964 /* Allocate temporary fcport for any new fcports discovered. */ 1965 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 1966 if (new_fcport == NULL) { 1967 rval = QLA_MEMORY_ALLOC_FAILED; 1968 goto cleanup_allocation; 1969 } 1970 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 1971 1972 /* 1973 * Mark local devices that were present with FCF_DEVICE_LOST for now. 1974 */ 1975 list_for_each_entry(fcport, &pha->fcports, list) { 1976 if (fcport->vp_idx != ha->vp_idx) 1977 continue; 1978 1979 if (atomic_read(&fcport->state) == FCS_ONLINE && 1980 fcport->port_type != FCT_BROADCAST && 1981 (fcport->flags & FCF_FABRIC_DEVICE) == 0) { 1982 1983 DEBUG(printk("scsi(%ld): Marking port lost, " 1984 "loop_id=0x%04x\n", 1985 ha->host_no, fcport->loop_id)); 1986 1987 atomic_set(&fcport->state, FCS_DEVICE_LOST); 1988 fcport->flags &= ~FCF_FARP_DONE; 1989 } 1990 } 1991 1992 /* Add devices to port list. */ 1993 id_iter = (char *)ha->gid_list; 1994 for (index = 0; index < entries; index++) { 1995 domain = ((struct gid_list_info *)id_iter)->domain; 1996 area = ((struct gid_list_info *)id_iter)->area; 1997 al_pa = ((struct gid_list_info *)id_iter)->al_pa; 1998 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1999 loop_id = (uint16_t) 2000 ((struct gid_list_info *)id_iter)->loop_id_2100; 2001 else 2002 loop_id = le16_to_cpu( 2003 ((struct gid_list_info *)id_iter)->loop_id); 2004 id_iter += ha->gid_list_info_size; 2005 2006 /* Bypass reserved domain fields. */ 2007 if ((domain & 0xf0) == 0xf0) 2008 continue; 2009 2010 /* Bypass if not same domain and area of adapter. */ 2011 if (area && domain && 2012 (area != ha->d_id.b.area || domain != ha->d_id.b.domain)) 2013 continue; 2014 2015 /* Bypass invalid local loop ID. */ 2016 if (loop_id > LAST_LOCAL_LOOP_ID) 2017 continue; 2018 2019 /* Fill in member data. */ 2020 new_fcport->d_id.b.domain = domain; 2021 new_fcport->d_id.b.area = area; 2022 new_fcport->d_id.b.al_pa = al_pa; 2023 new_fcport->loop_id = loop_id; 2024 new_fcport->vp_idx = ha->vp_idx; 2025 rval2 = qla2x00_get_port_database(ha, new_fcport, 0); 2026 if (rval2 != QLA_SUCCESS) { 2027 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " 2028 "information -- get_port_database=%x, " 2029 "loop_id=0x%04x\n", 2030 ha->host_no, rval2, new_fcport->loop_id)); 2031 DEBUG2(printk("scsi(%ld): Scheduling resync...\n", 2032 ha->host_no)); 2033 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 2034 continue; 2035 } 2036 2037 /* Check for matching device in port list. */ 2038 found = 0; 2039 fcport = NULL; 2040 list_for_each_entry(fcport, &pha->fcports, list) { 2041 if (fcport->vp_idx != ha->vp_idx) 2042 continue; 2043 2044 if (memcmp(new_fcport->port_name, fcport->port_name, 2045 WWN_SIZE)) 2046 continue; 2047 2048 fcport->flags &= ~(FCF_FABRIC_DEVICE | 2049 FCF_PERSISTENT_BOUND); 2050 fcport->loop_id = new_fcport->loop_id; 2051 fcport->port_type = new_fcport->port_type; 2052 fcport->d_id.b24 = new_fcport->d_id.b24; 2053 memcpy(fcport->node_name, new_fcport->node_name, 2054 WWN_SIZE); 2055 2056 found++; 2057 break; 2058 } 2059 2060 if (!found) { 2061 /* New device, add to fcports list. */ 2062 new_fcport->flags &= ~FCF_PERSISTENT_BOUND; 2063 if (ha->parent) { 2064 new_fcport->ha = ha; 2065 new_fcport->vp_idx = ha->vp_idx; 2066 list_add_tail(&new_fcport->vp_fcport, 2067 &ha->vp_fcports); 2068 } 2069 list_add_tail(&new_fcport->list, &pha->fcports); 2070 2071 /* Allocate a new replacement fcport. */ 2072 fcport = new_fcport; 2073 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2074 if (new_fcport == NULL) { 2075 rval = QLA_MEMORY_ALLOC_FAILED; 2076 goto cleanup_allocation; 2077 } 2078 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 2079 } 2080 2081 /* Base iIDMA settings on HBA port speed. */ 2082 fcport->fp_speed = ha->link_data_rate; 2083 2084 qla2x00_update_fcport(ha, fcport); 2085 2086 found_devs++; 2087 } 2088 2089 cleanup_allocation: 2090 kfree(new_fcport); 2091 2092 if (rval != QLA_SUCCESS) { 2093 DEBUG2(printk("scsi(%ld): Configure local loop error exit: " 2094 "rval=%x\n", ha->host_no, rval)); 2095 } 2096 2097 if (found_devs) { 2098 ha->device_flags |= DFLG_LOCAL_DEVICES; 2099 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; 2100 } 2101 2102 return (rval); 2103 } 2104 2105 static void 2106 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) 2107 { 2108 fc_port_t *fcport; 2109 2110 qla2x00_mark_all_devices_lost(ha, 0); 2111 list_for_each_entry(fcport, &ha->fcports, list) { 2112 if (fcport->port_type != FCT_TARGET) 2113 continue; 2114 2115 qla2x00_update_fcport(ha, fcport); 2116 } 2117 } 2118 2119 static void 2120 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2121 { 2122 #define LS_UNKNOWN 2 2123 static char *link_speeds[5] = { "1", "2", "?", "4", "8" }; 2124 int rval; 2125 uint16_t mb[6]; 2126 2127 if (!IS_IIDMA_CAPABLE(ha)) 2128 return; 2129 2130 if (fcport->fp_speed == PORT_SPEED_UNKNOWN) { 2131 DEBUG2(printk("scsi(%ld): %02x%02x%02x%02x%02x%02x%02x%02x -- " 2132 "unsupported FM port operating speed.\n", 2133 ha->host_no, fcport->port_name[0], fcport->port_name[1], 2134 fcport->port_name[2], fcport->port_name[3], 2135 fcport->port_name[4], fcport->port_name[5], 2136 fcport->port_name[6], fcport->port_name[7])); 2137 return; 2138 } 2139 2140 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed, 2141 mb); 2142 if (rval != QLA_SUCCESS) { 2143 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA " 2144 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n", 2145 ha->host_no, fcport->port_name[0], fcport->port_name[1], 2146 fcport->port_name[2], fcport->port_name[3], 2147 fcport->port_name[4], fcport->port_name[5], 2148 fcport->port_name[6], fcport->port_name[7], rval, 2149 fcport->fp_speed, mb[0], mb[1])); 2150 } else { 2151 DEBUG2(qla_printk(KERN_INFO, ha, 2152 "iIDMA adjusted to %s GB/s on " 2153 "%02x%02x%02x%02x%02x%02x%02x%02x.\n", 2154 link_speeds[fcport->fp_speed], fcport->port_name[0], 2155 fcport->port_name[1], fcport->port_name[2], 2156 fcport->port_name[3], fcport->port_name[4], 2157 fcport->port_name[5], fcport->port_name[6], 2158 fcport->port_name[7])); 2159 } 2160 } 2161 2162 static void 2163 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 2164 { 2165 struct fc_rport_identifiers rport_ids; 2166 struct fc_rport *rport; 2167 unsigned long flags; 2168 2169 if (fcport->drport) 2170 qla2x00_rport_del(fcport); 2171 if (fcport->rport) 2172 return; 2173 2174 rport_ids.node_name = wwn_to_u64(fcport->node_name); 2175 rport_ids.port_name = wwn_to_u64(fcport->port_name); 2176 rport_ids.port_id = fcport->d_id.b.domain << 16 | 2177 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 2178 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2179 rport = fc_remote_port_add(ha->host, 0, &rport_ids); 2180 if (!rport) { 2181 qla_printk(KERN_WARNING, ha, 2182 "Unable to allocate fc remote port!\n"); 2183 return; 2184 } 2185 spin_lock_irqsave(&fcport->rport_lock, flags); 2186 fcport->rport = rport; 2187 *((fc_port_t **)rport->dd_data) = fcport; 2188 spin_unlock_irqrestore(&fcport->rport_lock, flags); 2189 2190 rport->supported_classes = fcport->supported_classes; 2191 2192 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2193 if (fcport->port_type == FCT_INITIATOR) 2194 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; 2195 if (fcport->port_type == FCT_TARGET) 2196 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 2197 fc_remote_port_rolechg(rport, rport_ids.roles); 2198 2199 if (rport->scsi_target_id != -1 && 2200 rport->scsi_target_id < ha->host->max_id) 2201 fcport->os_target_id = rport->scsi_target_id; 2202 } 2203 2204 /* 2205 * qla2x00_update_fcport 2206 * Updates device on list. 2207 * 2208 * Input: 2209 * ha = adapter block pointer. 2210 * fcport = port structure pointer. 2211 * 2212 * Return: 2213 * 0 - Success 2214 * BIT_0 - error 2215 * 2216 * Context: 2217 * Kernel context. 2218 */ 2219 void 2220 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2221 { 2222 scsi_qla_host_t *pha = to_qla_parent(ha); 2223 2224 fcport->ha = ha; 2225 fcport->login_retry = 0; 2226 fcport->port_login_retry_count = pha->port_down_retry_count * 2227 PORT_RETRY_TIME; 2228 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count * 2229 PORT_RETRY_TIME); 2230 fcport->flags &= ~FCF_LOGIN_NEEDED; 2231 2232 qla2x00_iidma_fcport(ha, fcport); 2233 2234 atomic_set(&fcport->state, FCS_ONLINE); 2235 2236 qla2x00_reg_remote_port(ha, fcport); 2237 } 2238 2239 /* 2240 * qla2x00_configure_fabric 2241 * Setup SNS devices with loop ID's. 2242 * 2243 * Input: 2244 * ha = adapter block pointer. 2245 * 2246 * Returns: 2247 * 0 = success. 2248 * BIT_0 = error 2249 */ 2250 static int 2251 qla2x00_configure_fabric(scsi_qla_host_t *ha) 2252 { 2253 int rval, rval2; 2254 fc_port_t *fcport, *fcptemp; 2255 uint16_t next_loopid; 2256 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2257 uint16_t loop_id; 2258 LIST_HEAD(new_fcports); 2259 scsi_qla_host_t *pha = to_qla_parent(ha); 2260 2261 /* If FL port exists, then SNS is present */ 2262 if (IS_FWI2_CAPABLE(ha)) 2263 loop_id = NPH_F_PORT; 2264 else 2265 loop_id = SNS_FL_PORT; 2266 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1); 2267 if (rval != QLA_SUCCESS) { 2268 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " 2269 "Port\n", ha->host_no)); 2270 2271 ha->device_flags &= ~SWITCH_FOUND; 2272 return (QLA_SUCCESS); 2273 } 2274 ha->device_flags |= SWITCH_FOUND; 2275 2276 /* Mark devices that need re-synchronization. */ 2277 rval2 = qla2x00_device_resync(ha); 2278 if (rval2 == QLA_RSCNS_HANDLED) { 2279 /* No point doing the scan, just continue. */ 2280 return (QLA_SUCCESS); 2281 } 2282 do { 2283 /* FDMI support. */ 2284 if (ql2xfdmienable && 2285 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags)) 2286 qla2x00_fdmi_register(ha); 2287 2288 /* Ensure we are logged into the SNS. */ 2289 if (IS_FWI2_CAPABLE(ha)) 2290 loop_id = NPH_SNS; 2291 else 2292 loop_id = SIMPLE_NAME_SERVER; 2293 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff, 2294 0xfc, mb, BIT_1 | BIT_0); 2295 if (mb[0] != MBS_COMMAND_COMPLETE) { 2296 DEBUG2(qla_printk(KERN_INFO, ha, 2297 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 2298 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, 2299 mb[0], mb[1], mb[2], mb[6], mb[7])); 2300 return (QLA_SUCCESS); 2301 } 2302 2303 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { 2304 if (qla2x00_rft_id(ha)) { 2305 /* EMPTY */ 2306 DEBUG2(printk("scsi(%ld): Register FC-4 " 2307 "TYPE failed.\n", ha->host_no)); 2308 } 2309 if (qla2x00_rff_id(ha)) { 2310 /* EMPTY */ 2311 DEBUG2(printk("scsi(%ld): Register FC-4 " 2312 "Features failed.\n", ha->host_no)); 2313 } 2314 if (qla2x00_rnn_id(ha)) { 2315 /* EMPTY */ 2316 DEBUG2(printk("scsi(%ld): Register Node Name " 2317 "failed.\n", ha->host_no)); 2318 } else if (qla2x00_rsnn_nn(ha)) { 2319 /* EMPTY */ 2320 DEBUG2(printk("scsi(%ld): Register Symbolic " 2321 "Node Name failed.\n", ha->host_no)); 2322 } 2323 } 2324 2325 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); 2326 if (rval != QLA_SUCCESS) 2327 break; 2328 2329 /* 2330 * Logout all previous fabric devices marked lost, except 2331 * tape devices. 2332 */ 2333 list_for_each_entry(fcport, &pha->fcports, list) { 2334 if (fcport->vp_idx !=ha->vp_idx) 2335 continue; 2336 2337 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2338 break; 2339 2340 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 2341 continue; 2342 2343 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 2344 qla2x00_mark_device_lost(ha, fcport, 2345 ql2xplogiabsentdevice, 0); 2346 if (fcport->loop_id != FC_NO_LOOP_ID && 2347 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2348 fcport->port_type != FCT_INITIATOR && 2349 fcport->port_type != FCT_BROADCAST) { 2350 ha->isp_ops->fabric_logout(ha, 2351 fcport->loop_id, 2352 fcport->d_id.b.domain, 2353 fcport->d_id.b.area, 2354 fcport->d_id.b.al_pa); 2355 fcport->loop_id = FC_NO_LOOP_ID; 2356 } 2357 } 2358 } 2359 2360 /* Starting free loop ID. */ 2361 next_loopid = pha->min_external_loopid; 2362 2363 /* 2364 * Scan through our port list and login entries that need to be 2365 * logged in. 2366 */ 2367 list_for_each_entry(fcport, &pha->fcports, list) { 2368 if (fcport->vp_idx != ha->vp_idx) 2369 continue; 2370 2371 if (atomic_read(&ha->loop_down_timer) || 2372 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2373 break; 2374 2375 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2376 (fcport->flags & FCF_LOGIN_NEEDED) == 0) 2377 continue; 2378 2379 if (fcport->loop_id == FC_NO_LOOP_ID) { 2380 fcport->loop_id = next_loopid; 2381 rval = qla2x00_find_new_loop_id(ha, fcport); 2382 if (rval != QLA_SUCCESS) { 2383 /* Ran out of IDs to use */ 2384 break; 2385 } 2386 } 2387 /* Login and update database */ 2388 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2389 } 2390 2391 /* Exit if out of loop IDs. */ 2392 if (rval != QLA_SUCCESS) { 2393 break; 2394 } 2395 2396 /* 2397 * Login and add the new devices to our port list. 2398 */ 2399 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2400 if (atomic_read(&ha->loop_down_timer) || 2401 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2402 break; 2403 2404 /* Find a new loop ID to use. */ 2405 fcport->loop_id = next_loopid; 2406 rval = qla2x00_find_new_loop_id(ha, fcport); 2407 if (rval != QLA_SUCCESS) { 2408 /* Ran out of IDs to use */ 2409 break; 2410 } 2411 2412 /* Login and update database */ 2413 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2414 2415 if (ha->parent) { 2416 fcport->ha = ha; 2417 fcport->vp_idx = ha->vp_idx; 2418 list_add_tail(&fcport->vp_fcport, 2419 &ha->vp_fcports); 2420 list_move_tail(&fcport->list, 2421 &ha->parent->fcports); 2422 } else 2423 list_move_tail(&fcport->list, &ha->fcports); 2424 } 2425 } while (0); 2426 2427 /* Free all new device structures not processed. */ 2428 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2429 list_del(&fcport->list); 2430 kfree(fcport); 2431 } 2432 2433 if (rval) { 2434 DEBUG2(printk("scsi(%ld): Configure fabric error exit: " 2435 "rval=%d\n", ha->host_no, rval)); 2436 } 2437 2438 return (rval); 2439 } 2440 2441 2442 /* 2443 * qla2x00_find_all_fabric_devs 2444 * 2445 * Input: 2446 * ha = adapter block pointer. 2447 * dev = database device entry pointer. 2448 * 2449 * Returns: 2450 * 0 = success. 2451 * 2452 * Context: 2453 * Kernel context. 2454 */ 2455 static int 2456 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) 2457 { 2458 int rval; 2459 uint16_t loop_id; 2460 fc_port_t *fcport, *new_fcport, *fcptemp; 2461 int found; 2462 2463 sw_info_t *swl; 2464 int swl_idx; 2465 int first_dev, last_dev; 2466 port_id_t wrap, nxt_d_id; 2467 int vp_index; 2468 int empty_vp_index; 2469 int found_vp; 2470 scsi_qla_host_t *vha; 2471 scsi_qla_host_t *pha = to_qla_parent(ha); 2472 2473 rval = QLA_SUCCESS; 2474 2475 /* Try GID_PT to get device list, else GAN. */ 2476 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC); 2477 if (swl == NULL) { 2478 /*EMPTY*/ 2479 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2480 "on GA_NXT\n", ha->host_no)); 2481 } else { 2482 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES); 2483 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { 2484 kfree(swl); 2485 swl = NULL; 2486 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { 2487 kfree(swl); 2488 swl = NULL; 2489 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { 2490 kfree(swl); 2491 swl = NULL; 2492 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) { 2493 qla2x00_gpsc(ha, swl); 2494 } 2495 } 2496 swl_idx = 0; 2497 2498 /* Allocate temporary fcport for any new fcports discovered. */ 2499 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2500 if (new_fcport == NULL) { 2501 kfree(swl); 2502 return (QLA_MEMORY_ALLOC_FAILED); 2503 } 2504 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2505 new_fcport->vp_idx = ha->vp_idx; 2506 /* Set start port ID scan at adapter ID. */ 2507 first_dev = 1; 2508 last_dev = 0; 2509 2510 /* Starting free loop ID. */ 2511 loop_id = pha->min_external_loopid; 2512 for (; loop_id <= ha->last_loop_id; loop_id++) { 2513 if (qla2x00_is_reserved_id(ha, loop_id)) 2514 continue; 2515 2516 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) 2517 break; 2518 2519 if (swl != NULL) { 2520 if (last_dev) { 2521 wrap.b24 = new_fcport->d_id.b24; 2522 } else { 2523 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 2524 memcpy(new_fcport->node_name, 2525 swl[swl_idx].node_name, WWN_SIZE); 2526 memcpy(new_fcport->port_name, 2527 swl[swl_idx].port_name, WWN_SIZE); 2528 memcpy(new_fcport->fabric_port_name, 2529 swl[swl_idx].fabric_port_name, WWN_SIZE); 2530 new_fcport->fp_speed = swl[swl_idx].fp_speed; 2531 2532 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 2533 last_dev = 1; 2534 } 2535 swl_idx++; 2536 } 2537 } else { 2538 /* Send GA_NXT to the switch */ 2539 rval = qla2x00_ga_nxt(ha, new_fcport); 2540 if (rval != QLA_SUCCESS) { 2541 qla_printk(KERN_WARNING, ha, 2542 "SNS scan failed -- assuming zero-entry " 2543 "result...\n"); 2544 list_for_each_entry_safe(fcport, fcptemp, 2545 new_fcports, list) { 2546 list_del(&fcport->list); 2547 kfree(fcport); 2548 } 2549 rval = QLA_SUCCESS; 2550 break; 2551 } 2552 } 2553 2554 /* If wrap on switch device list, exit. */ 2555 if (first_dev) { 2556 wrap.b24 = new_fcport->d_id.b24; 2557 first_dev = 0; 2558 } else if (new_fcport->d_id.b24 == wrap.b24) { 2559 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", 2560 ha->host_no, new_fcport->d_id.b.domain, 2561 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); 2562 break; 2563 } 2564 2565 /* Bypass if same physical adapter. */ 2566 if (new_fcport->d_id.b24 == pha->d_id.b24) 2567 continue; 2568 2569 /* Bypass virtual ports of the same host. */ 2570 if (pha->num_vhosts) { 2571 vp_index = find_next_bit( 2572 (unsigned long *)pha->vp_idx_map, 2573 MAX_MULTI_ID_FABRIC + 1, 1); 2574 2575 for (;vp_index <= MAX_MULTI_ID_FABRIC; 2576 vp_index = find_next_bit( 2577 (unsigned long *)pha->vp_idx_map, 2578 MAX_MULTI_ID_FABRIC + 1, vp_index + 1)) { 2579 empty_vp_index = 1; 2580 found_vp = 0; 2581 list_for_each_entry(vha, &pha->vp_list, 2582 vp_list) { 2583 if (vp_index == vha->vp_idx) { 2584 empty_vp_index = 0; 2585 found_vp = 1; 2586 break; 2587 } 2588 } 2589 2590 if (empty_vp_index) 2591 continue; 2592 2593 if (found_vp && 2594 new_fcport->d_id.b24 == vha->d_id.b24) 2595 break; 2596 } 2597 if (vp_index <= MAX_MULTI_ID_FABRIC) 2598 continue; 2599 } 2600 2601 /* Bypass if same domain and area of adapter. */ 2602 if (((new_fcport->d_id.b24 & 0xffff00) == 2603 (ha->d_id.b24 & 0xffff00)) && ha->current_topology == 2604 ISP_CFG_FL) 2605 continue; 2606 2607 /* Bypass reserved domain fields. */ 2608 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 2609 continue; 2610 2611 /* Locate matching device in database. */ 2612 found = 0; 2613 list_for_each_entry(fcport, &pha->fcports, list) { 2614 if (new_fcport->vp_idx != fcport->vp_idx) 2615 continue; 2616 if (memcmp(new_fcport->port_name, fcport->port_name, 2617 WWN_SIZE)) 2618 continue; 2619 2620 found++; 2621 2622 /* Update port state. */ 2623 memcpy(fcport->fabric_port_name, 2624 new_fcport->fabric_port_name, WWN_SIZE); 2625 fcport->fp_speed = new_fcport->fp_speed; 2626 2627 /* 2628 * If address the same and state FCS_ONLINE, nothing 2629 * changed. 2630 */ 2631 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 2632 atomic_read(&fcport->state) == FCS_ONLINE) { 2633 break; 2634 } 2635 2636 /* 2637 * If device was not a fabric device before. 2638 */ 2639 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2640 fcport->d_id.b24 = new_fcport->d_id.b24; 2641 fcport->loop_id = FC_NO_LOOP_ID; 2642 fcport->flags |= (FCF_FABRIC_DEVICE | 2643 FCF_LOGIN_NEEDED); 2644 fcport->flags &= ~FCF_PERSISTENT_BOUND; 2645 break; 2646 } 2647 2648 /* 2649 * Port ID changed or device was marked to be updated; 2650 * Log it out if still logged in and mark it for 2651 * relogin later. 2652 */ 2653 fcport->d_id.b24 = new_fcport->d_id.b24; 2654 fcport->flags |= FCF_LOGIN_NEEDED; 2655 if (fcport->loop_id != FC_NO_LOOP_ID && 2656 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2657 fcport->port_type != FCT_INITIATOR && 2658 fcport->port_type != FCT_BROADCAST) { 2659 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 2660 fcport->d_id.b.domain, fcport->d_id.b.area, 2661 fcport->d_id.b.al_pa); 2662 fcport->loop_id = FC_NO_LOOP_ID; 2663 } 2664 2665 break; 2666 } 2667 2668 if (found) 2669 continue; 2670 2671 /* If device was not in our fcports list, then add it. */ 2672 list_add_tail(&new_fcport->list, new_fcports); 2673 2674 /* Allocate a new replacement fcport. */ 2675 nxt_d_id.b24 = new_fcport->d_id.b24; 2676 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2677 if (new_fcport == NULL) { 2678 kfree(swl); 2679 return (QLA_MEMORY_ALLOC_FAILED); 2680 } 2681 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2682 new_fcport->d_id.b24 = nxt_d_id.b24; 2683 new_fcport->vp_idx = ha->vp_idx; 2684 } 2685 2686 kfree(swl); 2687 kfree(new_fcport); 2688 2689 if (!list_empty(new_fcports)) 2690 ha->device_flags |= DFLG_FABRIC_DEVICES; 2691 2692 return (rval); 2693 } 2694 2695 /* 2696 * qla2x00_find_new_loop_id 2697 * Scan through our port list and find a new usable loop ID. 2698 * 2699 * Input: 2700 * ha: adapter state pointer. 2701 * dev: port structure pointer. 2702 * 2703 * Returns: 2704 * qla2x00 local function return status code. 2705 * 2706 * Context: 2707 * Kernel context. 2708 */ 2709 static int 2710 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) 2711 { 2712 int rval; 2713 int found; 2714 fc_port_t *fcport; 2715 uint16_t first_loop_id; 2716 scsi_qla_host_t *pha = to_qla_parent(ha); 2717 2718 rval = QLA_SUCCESS; 2719 2720 /* Save starting loop ID. */ 2721 first_loop_id = dev->loop_id; 2722 2723 for (;;) { 2724 /* Skip loop ID if already used by adapter. */ 2725 if (dev->loop_id == ha->loop_id) { 2726 dev->loop_id++; 2727 } 2728 2729 /* Skip reserved loop IDs. */ 2730 while (qla2x00_is_reserved_id(ha, dev->loop_id)) { 2731 dev->loop_id++; 2732 } 2733 2734 /* Reset loop ID if passed the end. */ 2735 if (dev->loop_id > ha->last_loop_id) { 2736 /* first loop ID. */ 2737 dev->loop_id = ha->min_external_loopid; 2738 } 2739 2740 /* Check for loop ID being already in use. */ 2741 found = 0; 2742 fcport = NULL; 2743 list_for_each_entry(fcport, &pha->fcports, list) { 2744 if (fcport->loop_id == dev->loop_id && fcport != dev) { 2745 /* ID possibly in use */ 2746 found++; 2747 break; 2748 } 2749 } 2750 2751 /* If not in use then it is free to use. */ 2752 if (!found) { 2753 break; 2754 } 2755 2756 /* ID in use. Try next value. */ 2757 dev->loop_id++; 2758 2759 /* If wrap around. No free ID to use. */ 2760 if (dev->loop_id == first_loop_id) { 2761 dev->loop_id = FC_NO_LOOP_ID; 2762 rval = QLA_FUNCTION_FAILED; 2763 break; 2764 } 2765 } 2766 2767 return (rval); 2768 } 2769 2770 /* 2771 * qla2x00_device_resync 2772 * Marks devices in the database that needs resynchronization. 2773 * 2774 * Input: 2775 * ha = adapter block pointer. 2776 * 2777 * Context: 2778 * Kernel context. 2779 */ 2780 static int 2781 qla2x00_device_resync(scsi_qla_host_t *ha) 2782 { 2783 int rval; 2784 uint32_t mask; 2785 fc_port_t *fcport; 2786 uint32_t rscn_entry; 2787 uint8_t rscn_out_iter; 2788 uint8_t format; 2789 port_id_t d_id; 2790 scsi_qla_host_t *pha = to_qla_parent(ha); 2791 2792 rval = QLA_RSCNS_HANDLED; 2793 2794 while (ha->rscn_out_ptr != ha->rscn_in_ptr || 2795 ha->flags.rscn_queue_overflow) { 2796 2797 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; 2798 format = MSB(MSW(rscn_entry)); 2799 d_id.b.domain = LSB(MSW(rscn_entry)); 2800 d_id.b.area = MSB(LSW(rscn_entry)); 2801 d_id.b.al_pa = LSB(LSW(rscn_entry)); 2802 2803 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " 2804 "[%02x/%02x%02x%02x].\n", 2805 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, 2806 d_id.b.area, d_id.b.al_pa)); 2807 2808 ha->rscn_out_ptr++; 2809 if (ha->rscn_out_ptr == MAX_RSCN_COUNT) 2810 ha->rscn_out_ptr = 0; 2811 2812 /* Skip duplicate entries. */ 2813 for (rscn_out_iter = ha->rscn_out_ptr; 2814 !ha->flags.rscn_queue_overflow && 2815 rscn_out_iter != ha->rscn_in_ptr; 2816 rscn_out_iter = (rscn_out_iter == 2817 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { 2818 2819 if (rscn_entry != ha->rscn_queue[rscn_out_iter]) 2820 break; 2821 2822 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " 2823 "entry found at [%d].\n", ha->host_no, 2824 rscn_out_iter)); 2825 2826 ha->rscn_out_ptr = rscn_out_iter; 2827 } 2828 2829 /* Queue overflow, set switch default case. */ 2830 if (ha->flags.rscn_queue_overflow) { 2831 DEBUG(printk("scsi(%ld): device_resync: rscn " 2832 "overflow.\n", ha->host_no)); 2833 2834 format = 3; 2835 ha->flags.rscn_queue_overflow = 0; 2836 } 2837 2838 switch (format) { 2839 case 0: 2840 mask = 0xffffff; 2841 break; 2842 case 1: 2843 mask = 0xffff00; 2844 break; 2845 case 2: 2846 mask = 0xff0000; 2847 break; 2848 default: 2849 mask = 0x0; 2850 d_id.b24 = 0; 2851 ha->rscn_out_ptr = ha->rscn_in_ptr; 2852 break; 2853 } 2854 2855 rval = QLA_SUCCESS; 2856 2857 list_for_each_entry(fcport, &pha->fcports, list) { 2858 if (fcport->vp_idx != ha->vp_idx) 2859 continue; 2860 2861 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2862 (fcport->d_id.b24 & mask) != d_id.b24 || 2863 fcport->port_type == FCT_BROADCAST) 2864 continue; 2865 2866 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2867 if (format != 3 || 2868 fcport->port_type != FCT_INITIATOR) { 2869 qla2x00_mark_device_lost(ha, fcport, 2870 0, 0); 2871 } 2872 } 2873 fcport->flags &= ~FCF_FARP_DONE; 2874 } 2875 } 2876 return (rval); 2877 } 2878 2879 /* 2880 * qla2x00_fabric_dev_login 2881 * Login fabric target device and update FC port database. 2882 * 2883 * Input: 2884 * ha: adapter state pointer. 2885 * fcport: port structure list pointer. 2886 * next_loopid: contains value of a new loop ID that can be used 2887 * by the next login attempt. 2888 * 2889 * Returns: 2890 * qla2x00 local function return status code. 2891 * 2892 * Context: 2893 * Kernel context. 2894 */ 2895 static int 2896 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2897 uint16_t *next_loopid) 2898 { 2899 int rval; 2900 int retry; 2901 uint8_t opts; 2902 2903 rval = QLA_SUCCESS; 2904 retry = 0; 2905 2906 rval = qla2x00_fabric_login(ha, fcport, next_loopid); 2907 if (rval == QLA_SUCCESS) { 2908 /* Send an ADISC to tape devices.*/ 2909 opts = 0; 2910 if (fcport->flags & FCF_TAPE_PRESENT) 2911 opts |= BIT_1; 2912 rval = qla2x00_get_port_database(ha, fcport, opts); 2913 if (rval != QLA_SUCCESS) { 2914 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 2915 fcport->d_id.b.domain, fcport->d_id.b.area, 2916 fcport->d_id.b.al_pa); 2917 qla2x00_mark_device_lost(ha, fcport, 1, 0); 2918 } else { 2919 qla2x00_update_fcport(ha, fcport); 2920 } 2921 } 2922 2923 return (rval); 2924 } 2925 2926 /* 2927 * qla2x00_fabric_login 2928 * Issue fabric login command. 2929 * 2930 * Input: 2931 * ha = adapter block pointer. 2932 * device = pointer to FC device type structure. 2933 * 2934 * Returns: 2935 * 0 - Login successfully 2936 * 1 - Login failed 2937 * 2 - Initiator device 2938 * 3 - Fatal error 2939 */ 2940 int 2941 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2942 uint16_t *next_loopid) 2943 { 2944 int rval; 2945 int retry; 2946 uint16_t tmp_loopid; 2947 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2948 2949 retry = 0; 2950 tmp_loopid = 0; 2951 2952 for (;;) { 2953 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " 2954 "for port %02x%02x%02x.\n", 2955 ha->host_no, fcport->loop_id, fcport->d_id.b.domain, 2956 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2957 2958 /* Login fcport on switch. */ 2959 ha->isp_ops->fabric_login(ha, fcport->loop_id, 2960 fcport->d_id.b.domain, fcport->d_id.b.area, 2961 fcport->d_id.b.al_pa, mb, BIT_0); 2962 if (mb[0] == MBS_PORT_ID_USED) { 2963 /* 2964 * Device has another loop ID. The firmware team 2965 * recommends the driver perform an implicit login with 2966 * the specified ID again. The ID we just used is save 2967 * here so we return with an ID that can be tried by 2968 * the next login. 2969 */ 2970 retry++; 2971 tmp_loopid = fcport->loop_id; 2972 fcport->loop_id = mb[1]; 2973 2974 DEBUG(printk("Fabric Login: port in use - next " 2975 "loop id=0x%04x, port Id=%02x%02x%02x.\n", 2976 fcport->loop_id, fcport->d_id.b.domain, 2977 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2978 2979 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 2980 /* 2981 * Login succeeded. 2982 */ 2983 if (retry) { 2984 /* A retry occurred before. */ 2985 *next_loopid = tmp_loopid; 2986 } else { 2987 /* 2988 * No retry occurred before. Just increment the 2989 * ID value for next login. 2990 */ 2991 *next_loopid = (fcport->loop_id + 1); 2992 } 2993 2994 if (mb[1] & BIT_0) { 2995 fcport->port_type = FCT_INITIATOR; 2996 } else { 2997 fcport->port_type = FCT_TARGET; 2998 if (mb[1] & BIT_1) { 2999 fcport->flags |= FCF_TAPE_PRESENT; 3000 } 3001 } 3002 3003 if (mb[10] & BIT_0) 3004 fcport->supported_classes |= FC_COS_CLASS2; 3005 if (mb[10] & BIT_1) 3006 fcport->supported_classes |= FC_COS_CLASS3; 3007 3008 rval = QLA_SUCCESS; 3009 break; 3010 } else if (mb[0] == MBS_LOOP_ID_USED) { 3011 /* 3012 * Loop ID already used, try next loop ID. 3013 */ 3014 fcport->loop_id++; 3015 rval = qla2x00_find_new_loop_id(ha, fcport); 3016 if (rval != QLA_SUCCESS) { 3017 /* Ran out of loop IDs to use */ 3018 break; 3019 } 3020 } else if (mb[0] == MBS_COMMAND_ERROR) { 3021 /* 3022 * Firmware possibly timed out during login. If NO 3023 * retries are left to do then the device is declared 3024 * dead. 3025 */ 3026 *next_loopid = fcport->loop_id; 3027 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3028 fcport->d_id.b.domain, fcport->d_id.b.area, 3029 fcport->d_id.b.al_pa); 3030 qla2x00_mark_device_lost(ha, fcport, 1, 0); 3031 3032 rval = 1; 3033 break; 3034 } else { 3035 /* 3036 * unrecoverable / not handled error 3037 */ 3038 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " 3039 "loop_id=%x jiffies=%lx.\n", 3040 __func__, ha->host_no, mb[0], 3041 fcport->d_id.b.domain, fcport->d_id.b.area, 3042 fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); 3043 3044 *next_loopid = fcport->loop_id; 3045 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3046 fcport->d_id.b.domain, fcport->d_id.b.area, 3047 fcport->d_id.b.al_pa); 3048 fcport->loop_id = FC_NO_LOOP_ID; 3049 fcport->login_retry = 0; 3050 3051 rval = 3; 3052 break; 3053 } 3054 } 3055 3056 return (rval); 3057 } 3058 3059 /* 3060 * qla2x00_local_device_login 3061 * Issue local device login command. 3062 * 3063 * Input: 3064 * ha = adapter block pointer. 3065 * loop_id = loop id of device to login to. 3066 * 3067 * Returns (Where's the #define!!!!): 3068 * 0 - Login successfully 3069 * 1 - Login failed 3070 * 3 - Fatal error 3071 */ 3072 int 3073 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport) 3074 { 3075 int rval; 3076 uint16_t mb[MAILBOX_REGISTER_COUNT]; 3077 3078 memset(mb, 0, sizeof(mb)); 3079 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0); 3080 if (rval == QLA_SUCCESS) { 3081 /* Interrogate mailbox registers for any errors */ 3082 if (mb[0] == MBS_COMMAND_ERROR) 3083 rval = 1; 3084 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 3085 /* device not in PCB table */ 3086 rval = 3; 3087 } 3088 3089 return (rval); 3090 } 3091 3092 /* 3093 * qla2x00_loop_resync 3094 * Resync with fibre channel devices. 3095 * 3096 * Input: 3097 * ha = adapter block pointer. 3098 * 3099 * Returns: 3100 * 0 = success 3101 */ 3102 int 3103 qla2x00_loop_resync(scsi_qla_host_t *ha) 3104 { 3105 int rval; 3106 uint32_t wait_time; 3107 3108 rval = QLA_SUCCESS; 3109 3110 atomic_set(&ha->loop_state, LOOP_UPDATE); 3111 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3112 if (ha->flags.online) { 3113 if (!(rval = qla2x00_fw_ready(ha))) { 3114 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3115 wait_time = 256; 3116 do { 3117 atomic_set(&ha->loop_state, LOOP_UPDATE); 3118 3119 /* Issue a marker after FW becomes ready. */ 3120 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3121 ha->marker_needed = 0; 3122 3123 /* Remap devices on Loop. */ 3124 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3125 3126 qla2x00_configure_loop(ha); 3127 wait_time--; 3128 } while (!atomic_read(&ha->loop_down_timer) && 3129 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3130 wait_time && 3131 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3132 } 3133 } 3134 3135 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { 3136 return (QLA_FUNCTION_FAILED); 3137 } 3138 3139 if (rval) { 3140 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 3141 } 3142 3143 return (rval); 3144 } 3145 3146 void 3147 qla2x00_rescan_fcports(scsi_qla_host_t *ha) 3148 { 3149 int rescan_done; 3150 fc_port_t *fcport; 3151 3152 rescan_done = 0; 3153 list_for_each_entry(fcport, &ha->fcports, list) { 3154 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) 3155 continue; 3156 3157 qla2x00_update_fcport(ha, fcport); 3158 fcport->flags &= ~FCF_RESCAN_NEEDED; 3159 3160 rescan_done = 1; 3161 } 3162 qla2x00_probe_for_all_luns(ha); 3163 } 3164 3165 void 3166 qla2x00_update_fcports(scsi_qla_host_t *ha) 3167 { 3168 fc_port_t *fcport; 3169 3170 /* Go with deferred removal of rport references. */ 3171 list_for_each_entry(fcport, &ha->fcports, list) 3172 if (fcport->drport) 3173 qla2x00_rport_del(fcport); 3174 } 3175 3176 /* 3177 * qla2x00_abort_isp 3178 * Resets ISP and aborts all outstanding commands. 3179 * 3180 * Input: 3181 * ha = adapter block pointer. 3182 * 3183 * Returns: 3184 * 0 = success 3185 */ 3186 int 3187 qla2x00_abort_isp(scsi_qla_host_t *ha) 3188 { 3189 int rval; 3190 unsigned long flags = 0; 3191 uint16_t cnt; 3192 srb_t *sp; 3193 uint8_t status = 0; 3194 3195 if (ha->flags.online) { 3196 ha->flags.online = 0; 3197 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 3198 3199 qla_printk(KERN_INFO, ha, 3200 "Performing ISP error recovery - ha= %p.\n", ha); 3201 ha->isp_ops->reset_chip(ha); 3202 3203 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 3204 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 3205 atomic_set(&ha->loop_state, LOOP_DOWN); 3206 qla2x00_mark_all_devices_lost(ha, 0); 3207 } else { 3208 if (!atomic_read(&ha->loop_down_timer)) 3209 atomic_set(&ha->loop_down_timer, 3210 LOOP_DOWN_TIME); 3211 } 3212 3213 spin_lock_irqsave(&ha->hardware_lock, flags); 3214 /* Requeue all commands in outstanding command list. */ 3215 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 3216 sp = ha->outstanding_cmds[cnt]; 3217 if (sp) { 3218 ha->outstanding_cmds[cnt] = NULL; 3219 sp->flags = 0; 3220 sp->cmd->result = DID_RESET << 16; 3221 sp->cmd->host_scribble = (unsigned char *)NULL; 3222 qla2x00_sp_compl(ha, sp); 3223 } 3224 } 3225 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3226 3227 ha->isp_ops->get_flash_version(ha, ha->request_ring); 3228 3229 ha->isp_ops->nvram_config(ha); 3230 3231 if (!qla2x00_restart_isp(ha)) { 3232 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3233 3234 if (!atomic_read(&ha->loop_down_timer)) { 3235 /* 3236 * Issue marker command only when we are going 3237 * to start the I/O . 3238 */ 3239 ha->marker_needed = 1; 3240 } 3241 3242 ha->flags.online = 1; 3243 3244 ha->isp_ops->enable_intrs(ha); 3245 3246 ha->isp_abort_cnt = 0; 3247 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3248 3249 if (ha->eft) { 3250 rval = qla2x00_trace_control(ha, TC_ENABLE, 3251 ha->eft_dma, EFT_NUM_BUFFERS); 3252 if (rval) { 3253 qla_printk(KERN_WARNING, ha, 3254 "Unable to reinitialize EFT " 3255 "(%d).\n", rval); 3256 } 3257 } 3258 } else { /* failed the ISP abort */ 3259 ha->flags.online = 1; 3260 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { 3261 if (ha->isp_abort_cnt == 0) { 3262 qla_printk(KERN_WARNING, ha, 3263 "ISP error recovery failed - " 3264 "board disabled\n"); 3265 /* 3266 * The next call disables the board 3267 * completely. 3268 */ 3269 ha->isp_ops->reset_adapter(ha); 3270 ha->flags.online = 0; 3271 clear_bit(ISP_ABORT_RETRY, 3272 &ha->dpc_flags); 3273 status = 0; 3274 } else { /* schedule another ISP abort */ 3275 ha->isp_abort_cnt--; 3276 DEBUG(printk("qla%ld: ISP abort - " 3277 "retry remaining %d\n", 3278 ha->host_no, ha->isp_abort_cnt)); 3279 status = 1; 3280 } 3281 } else { 3282 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3283 DEBUG(printk("qla2x00(%ld): ISP error recovery " 3284 "- retrying (%d) more times\n", 3285 ha->host_no, ha->isp_abort_cnt)); 3286 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3287 status = 1; 3288 } 3289 } 3290 3291 } 3292 3293 if (status) { 3294 qla_printk(KERN_INFO, ha, 3295 "qla2x00_abort_isp: **** FAILED ****\n"); 3296 } else { 3297 DEBUG(printk(KERN_INFO 3298 "qla2x00_abort_isp(%ld): exiting.\n", 3299 ha->host_no)); 3300 } 3301 3302 return(status); 3303 } 3304 3305 /* 3306 * qla2x00_restart_isp 3307 * restarts the ISP after a reset 3308 * 3309 * Input: 3310 * ha = adapter block pointer. 3311 * 3312 * Returns: 3313 * 0 = success 3314 */ 3315 static int 3316 qla2x00_restart_isp(scsi_qla_host_t *ha) 3317 { 3318 uint8_t status = 0; 3319 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3320 unsigned long flags = 0; 3321 uint32_t wait_time; 3322 3323 /* If firmware needs to be loaded */ 3324 if (qla2x00_isp_firmware(ha)) { 3325 ha->flags.online = 0; 3326 if (!(status = ha->isp_ops->chip_diag(ha))) { 3327 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 3328 status = qla2x00_setup_chip(ha); 3329 goto done; 3330 } 3331 3332 spin_lock_irqsave(&ha->hardware_lock, flags); 3333 3334 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha) && 3335 !IS_QLA25XX(ha)) { 3336 /* 3337 * Disable SRAM, Instruction RAM and GP RAM 3338 * parity. 3339 */ 3340 WRT_REG_WORD(®->hccr, 3341 (HCCR_ENABLE_PARITY + 0x0)); 3342 RD_REG_WORD(®->hccr); 3343 } 3344 3345 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3346 3347 status = qla2x00_setup_chip(ha); 3348 3349 spin_lock_irqsave(&ha->hardware_lock, flags); 3350 3351 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha) && 3352 !IS_QLA25XX(ha)) { 3353 /* Enable proper parity */ 3354 if (IS_QLA2300(ha)) 3355 /* SRAM parity */ 3356 WRT_REG_WORD(®->hccr, 3357 (HCCR_ENABLE_PARITY + 0x1)); 3358 else 3359 /* 3360 * SRAM, Instruction RAM and GP RAM 3361 * parity. 3362 */ 3363 WRT_REG_WORD(®->hccr, 3364 (HCCR_ENABLE_PARITY + 0x7)); 3365 RD_REG_WORD(®->hccr); 3366 } 3367 3368 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3369 } 3370 } 3371 3372 done: 3373 if (!status && !(status = qla2x00_init_rings(ha))) { 3374 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3375 if (!(status = qla2x00_fw_ready(ha))) { 3376 DEBUG(printk("%s(): Start configure loop, " 3377 "status = %d\n", __func__, status)); 3378 3379 /* Issue a marker after FW becomes ready. */ 3380 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3381 3382 ha->flags.online = 1; 3383 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3384 wait_time = 256; 3385 do { 3386 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3387 qla2x00_configure_loop(ha); 3388 wait_time--; 3389 } while (!atomic_read(&ha->loop_down_timer) && 3390 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3391 wait_time && 3392 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3393 } 3394 3395 /* if no cable then assume it's good */ 3396 if ((ha->device_flags & DFLG_NO_CABLE)) 3397 status = 0; 3398 3399 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", 3400 __func__, 3401 status)); 3402 } 3403 return (status); 3404 } 3405 3406 /* 3407 * qla2x00_reset_adapter 3408 * Reset adapter. 3409 * 3410 * Input: 3411 * ha = adapter block pointer. 3412 */ 3413 void 3414 qla2x00_reset_adapter(scsi_qla_host_t *ha) 3415 { 3416 unsigned long flags = 0; 3417 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3418 3419 ha->flags.online = 0; 3420 ha->isp_ops->disable_intrs(ha); 3421 3422 spin_lock_irqsave(&ha->hardware_lock, flags); 3423 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 3424 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3425 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 3426 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3427 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3428 } 3429 3430 void 3431 qla24xx_reset_adapter(scsi_qla_host_t *ha) 3432 { 3433 unsigned long flags = 0; 3434 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3435 3436 ha->flags.online = 0; 3437 ha->isp_ops->disable_intrs(ha); 3438 3439 spin_lock_irqsave(&ha->hardware_lock, flags); 3440 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 3441 RD_REG_DWORD(®->hccr); 3442 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 3443 RD_REG_DWORD(®->hccr); 3444 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3445 } 3446 3447 /* On sparc systems, obtain port and node WWN from firmware 3448 * properties. 3449 */ 3450 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv) 3451 { 3452 #ifdef CONFIG_SPARC 3453 struct pci_dev *pdev = ha->pdev; 3454 struct device_node *dp = pci_device_to_OF_node(pdev); 3455 const u8 *val; 3456 int len; 3457 3458 val = of_get_property(dp, "port-wwn", &len); 3459 if (val && len >= WWN_SIZE) 3460 memcpy(nv->port_name, val, WWN_SIZE); 3461 3462 val = of_get_property(dp, "node-wwn", &len); 3463 if (val && len >= WWN_SIZE) 3464 memcpy(nv->node_name, val, WWN_SIZE); 3465 #endif 3466 } 3467 3468 int 3469 qla24xx_nvram_config(scsi_qla_host_t *ha) 3470 { 3471 int rval; 3472 struct init_cb_24xx *icb; 3473 struct nvram_24xx *nv; 3474 uint32_t *dptr; 3475 uint8_t *dptr1, *dptr2; 3476 uint32_t chksum; 3477 uint16_t cnt; 3478 3479 rval = QLA_SUCCESS; 3480 icb = (struct init_cb_24xx *)ha->init_cb; 3481 nv = ha->nvram; 3482 3483 /* Determine NVRAM starting address. */ 3484 ha->nvram_size = sizeof(struct nvram_24xx); 3485 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 3486 ha->vpd_size = FA_NVRAM_VPD_SIZE; 3487 ha->vpd_base = FA_NVRAM_VPD0_ADDR; 3488 if (PCI_FUNC(ha->pdev->devfn)) { 3489 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 3490 ha->vpd_base = FA_NVRAM_VPD1_ADDR; 3491 } 3492 3493 /* Get VPD data into cache */ 3494 ha->vpd = ha->nvram + VPD_OFFSET; 3495 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd, 3496 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4); 3497 3498 /* Get NVRAM data into cache and calculate checksum. */ 3499 dptr = (uint32_t *)nv; 3500 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, 3501 ha->nvram_size); 3502 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) 3503 chksum += le32_to_cpu(*dptr++); 3504 3505 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 3506 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); 3507 3508 /* Bad NVRAM data, set defaults parameters. */ 3509 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' 3510 || nv->id[3] != ' ' || 3511 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { 3512 /* Reset NVRAM data. */ 3513 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 3514 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 3515 le16_to_cpu(nv->nvram_version)); 3516 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 3517 "invalid -- WWPN) defaults.\n"); 3518 3519 /* 3520 * Set default initialization control block. 3521 */ 3522 memset(nv, 0, ha->nvram_size); 3523 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); 3524 nv->version = __constant_cpu_to_le16(ICB_VERSION); 3525 nv->frame_payload_size = __constant_cpu_to_le16(2048); 3526 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3527 nv->exchange_count = __constant_cpu_to_le16(0); 3528 nv->hard_address = __constant_cpu_to_le16(124); 3529 nv->port_name[0] = 0x21; 3530 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); 3531 nv->port_name[2] = 0x00; 3532 nv->port_name[3] = 0xe0; 3533 nv->port_name[4] = 0x8b; 3534 nv->port_name[5] = 0x1c; 3535 nv->port_name[6] = 0x55; 3536 nv->port_name[7] = 0x86; 3537 nv->node_name[0] = 0x20; 3538 nv->node_name[1] = 0x00; 3539 nv->node_name[2] = 0x00; 3540 nv->node_name[3] = 0xe0; 3541 nv->node_name[4] = 0x8b; 3542 nv->node_name[5] = 0x1c; 3543 nv->node_name[6] = 0x55; 3544 nv->node_name[7] = 0x86; 3545 qla24xx_nvram_wwn_from_ofw(ha, nv); 3546 nv->login_retry_count = __constant_cpu_to_le16(8); 3547 nv->interrupt_delay_timer = __constant_cpu_to_le16(0); 3548 nv->login_timeout = __constant_cpu_to_le16(0); 3549 nv->firmware_options_1 = 3550 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 3551 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); 3552 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); 3553 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); 3554 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); 3555 nv->efi_parameters = __constant_cpu_to_le32(0); 3556 nv->reset_delay = 5; 3557 nv->max_luns_per_target = __constant_cpu_to_le16(128); 3558 nv->port_down_retry_count = __constant_cpu_to_le16(30); 3559 nv->link_down_timeout = __constant_cpu_to_le16(30); 3560 3561 rval = 1; 3562 } 3563 3564 /* Reset Initialization control block */ 3565 memset(icb, 0, sizeof(struct init_cb_24xx)); 3566 3567 /* Copy 1st segment. */ 3568 dptr1 = (uint8_t *)icb; 3569 dptr2 = (uint8_t *)&nv->version; 3570 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 3571 while (cnt--) 3572 *dptr1++ = *dptr2++; 3573 3574 icb->login_retry_count = nv->login_retry_count; 3575 icb->link_down_on_nos = nv->link_down_on_nos; 3576 3577 /* Copy 2nd segment. */ 3578 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 3579 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 3580 cnt = (uint8_t *)&icb->reserved_3 - 3581 (uint8_t *)&icb->interrupt_delay_timer; 3582 while (cnt--) 3583 *dptr1++ = *dptr2++; 3584 3585 /* 3586 * Setup driver NVRAM options. 3587 */ 3588 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name), 3589 "QLA2462"); 3590 3591 /* Use alternate WWN? */ 3592 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) { 3593 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 3594 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 3595 } 3596 3597 /* Prepare nodename */ 3598 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) { 3599 /* 3600 * Firmware will apply the following mask if the nodename was 3601 * not provided. 3602 */ 3603 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 3604 icb->node_name[0] &= 0xF0; 3605 } 3606 3607 /* Set host adapter parameters. */ 3608 ha->flags.disable_risc_code_load = 0; 3609 ha->flags.enable_lip_reset = 0; 3610 ha->flags.enable_lip_full_login = 3611 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0; 3612 ha->flags.enable_target_reset = 3613 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0; 3614 ha->flags.enable_led_scheme = 0; 3615 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0; 3616 3617 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & 3618 (BIT_6 | BIT_5 | BIT_4)) >> 4; 3619 3620 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 3621 sizeof(ha->fw_seriallink_options24)); 3622 3623 /* save HBA serial number */ 3624 ha->serial0 = icb->port_name[5]; 3625 ha->serial1 = icb->port_name[6]; 3626 ha->serial2 = icb->port_name[7]; 3627 ha->node_name = icb->node_name; 3628 ha->port_name = icb->port_name; 3629 3630 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3631 3632 ha->retry_count = le16_to_cpu(nv->login_retry_count); 3633 3634 /* Set minimum login_timeout to 4 seconds. */ 3635 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 3636 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 3637 if (le16_to_cpu(nv->login_timeout) < 4) 3638 nv->login_timeout = __constant_cpu_to_le16(4); 3639 ha->login_timeout = le16_to_cpu(nv->login_timeout); 3640 icb->login_timeout = cpu_to_le16(nv->login_timeout); 3641 3642 /* Set minimum RATOV to 200 tenths of a second. */ 3643 ha->r_a_tov = 200; 3644 3645 ha->loop_reset_delay = nv->reset_delay; 3646 3647 /* Link Down Timeout = 0: 3648 * 3649 * When Port Down timer expires we will start returning 3650 * I/O's to OS with "DID_NO_CONNECT". 3651 * 3652 * Link Down Timeout != 0: 3653 * 3654 * The driver waits for the link to come up after link down 3655 * before returning I/Os to OS with "DID_NO_CONNECT". 3656 */ 3657 if (le16_to_cpu(nv->link_down_timeout) == 0) { 3658 ha->loop_down_abort_time = 3659 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 3660 } else { 3661 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 3662 ha->loop_down_abort_time = 3663 (LOOP_DOWN_TIME - ha->link_down_timeout); 3664 } 3665 3666 /* Need enough time to try and get the port back. */ 3667 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 3668 if (qlport_down_retry) 3669 ha->port_down_retry_count = qlport_down_retry; 3670 3671 /* Set login_retry_count */ 3672 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 3673 if (ha->port_down_retry_count == 3674 le16_to_cpu(nv->port_down_retry_count) && 3675 ha->port_down_retry_count > 3) 3676 ha->login_retry_count = ha->port_down_retry_count; 3677 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 3678 ha->login_retry_count = ha->port_down_retry_count; 3679 if (ql2xloginretrycount) 3680 ha->login_retry_count = ql2xloginretrycount; 3681 3682 /* Enable ZIO. */ 3683 if (!ha->flags.init_done) { 3684 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 3685 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 3686 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 3687 le16_to_cpu(icb->interrupt_delay_timer): 2; 3688 } 3689 icb->firmware_options_2 &= __constant_cpu_to_le32( 3690 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 3691 ha->flags.process_response_queue = 0; 3692 if (ha->zio_mode != QLA_ZIO_DISABLED) { 3693 ha->zio_mode = QLA_ZIO_MODE_6; 3694 3695 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay " 3696 "(%d us).\n", ha->host_no, ha->zio_mode, 3697 ha->zio_timer * 100)); 3698 qla_printk(KERN_INFO, ha, 3699 "ZIO mode %d enabled; timer delay (%d us).\n", 3700 ha->zio_mode, ha->zio_timer * 100); 3701 3702 icb->firmware_options_2 |= cpu_to_le32( 3703 (uint32_t)ha->zio_mode); 3704 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 3705 ha->flags.process_response_queue = 1; 3706 } 3707 3708 if (rval) { 3709 DEBUG2_3(printk(KERN_WARNING 3710 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 3711 } 3712 return (rval); 3713 } 3714 3715 static int 3716 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3717 { 3718 int rval; 3719 int segments, fragment; 3720 uint32_t faddr; 3721 uint32_t *dcode, dlen; 3722 uint32_t risc_addr; 3723 uint32_t risc_size; 3724 uint32_t i; 3725 3726 rval = QLA_SUCCESS; 3727 3728 segments = FA_RISC_CODE_SEGMENTS; 3729 faddr = FA_RISC_CODE_ADDR; 3730 dcode = (uint32_t *)ha->request_ring; 3731 *srisc_addr = 0; 3732 3733 /* Validate firmware image by checking version. */ 3734 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); 3735 for (i = 0; i < 4; i++) 3736 dcode[i] = be32_to_cpu(dcode[i]); 3737 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3738 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3739 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3740 dcode[3] == 0)) { 3741 qla_printk(KERN_WARNING, ha, 3742 "Unable to verify integrity of flash firmware image!\n"); 3743 qla_printk(KERN_WARNING, ha, 3744 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3745 dcode[1], dcode[2], dcode[3]); 3746 3747 return QLA_FUNCTION_FAILED; 3748 } 3749 3750 while (segments && rval == QLA_SUCCESS) { 3751 /* Read segment's load information. */ 3752 qla24xx_read_flash_data(ha, dcode, faddr, 4); 3753 3754 risc_addr = be32_to_cpu(dcode[2]); 3755 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3756 risc_size = be32_to_cpu(dcode[3]); 3757 3758 fragment = 0; 3759 while (risc_size > 0 && rval == QLA_SUCCESS) { 3760 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3761 if (dlen > risc_size) 3762 dlen = risc_size; 3763 3764 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3765 "addr %x, number of dwords 0x%x, offset 0x%x.\n", 3766 ha->host_no, risc_addr, dlen, faddr)); 3767 3768 qla24xx_read_flash_data(ha, dcode, faddr, dlen); 3769 for (i = 0; i < dlen; i++) 3770 dcode[i] = swab32(dcode[i]); 3771 3772 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3773 dlen); 3774 if (rval) { 3775 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3776 "segment %d of firmware\n", ha->host_no, 3777 fragment)); 3778 qla_printk(KERN_WARNING, ha, 3779 "[ERROR] Failed to load segment %d of " 3780 "firmware\n", fragment); 3781 break; 3782 } 3783 3784 faddr += dlen; 3785 risc_addr += dlen; 3786 risc_size -= dlen; 3787 fragment++; 3788 } 3789 3790 /* Next segment. */ 3791 segments--; 3792 } 3793 3794 return rval; 3795 } 3796 3797 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/" 3798 3799 int 3800 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3801 { 3802 int rval; 3803 int i, fragment; 3804 uint16_t *wcode, *fwcode; 3805 uint32_t risc_addr, risc_size, fwclen, wlen, *seg; 3806 struct fw_blob *blob; 3807 3808 /* Load firmware blob. */ 3809 blob = qla2x00_request_firmware(ha); 3810 if (!blob) { 3811 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3812 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3813 "from: " QLA_FW_URL ".\n"); 3814 return QLA_FUNCTION_FAILED; 3815 } 3816 3817 rval = QLA_SUCCESS; 3818 3819 wcode = (uint16_t *)ha->request_ring; 3820 *srisc_addr = 0; 3821 fwcode = (uint16_t *)blob->fw->data; 3822 fwclen = 0; 3823 3824 /* Validate firmware image by checking version. */ 3825 if (blob->fw->size < 8 * sizeof(uint16_t)) { 3826 qla_printk(KERN_WARNING, ha, 3827 "Unable to verify integrity of firmware image (%Zd)!\n", 3828 blob->fw->size); 3829 goto fail_fw_integrity; 3830 } 3831 for (i = 0; i < 4; i++) 3832 wcode[i] = be16_to_cpu(fwcode[i + 4]); 3833 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && 3834 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && 3835 wcode[2] == 0 && wcode[3] == 0)) { 3836 qla_printk(KERN_WARNING, ha, 3837 "Unable to verify integrity of firmware image!\n"); 3838 qla_printk(KERN_WARNING, ha, 3839 "Firmware data: %04x %04x %04x %04x!\n", wcode[0], 3840 wcode[1], wcode[2], wcode[3]); 3841 goto fail_fw_integrity; 3842 } 3843 3844 seg = blob->segs; 3845 while (*seg && rval == QLA_SUCCESS) { 3846 risc_addr = *seg; 3847 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; 3848 risc_size = be16_to_cpu(fwcode[3]); 3849 3850 /* Validate firmware image size. */ 3851 fwclen += risc_size * sizeof(uint16_t); 3852 if (blob->fw->size < fwclen) { 3853 qla_printk(KERN_WARNING, ha, 3854 "Unable to verify integrity of firmware image " 3855 "(%Zd)!\n", blob->fw->size); 3856 goto fail_fw_integrity; 3857 } 3858 3859 fragment = 0; 3860 while (risc_size > 0 && rval == QLA_SUCCESS) { 3861 wlen = (uint16_t)(ha->fw_transfer_size >> 1); 3862 if (wlen > risc_size) 3863 wlen = risc_size; 3864 3865 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3866 "addr %x, number of words 0x%x.\n", ha->host_no, 3867 risc_addr, wlen)); 3868 3869 for (i = 0; i < wlen; i++) 3870 wcode[i] = swab16(fwcode[i]); 3871 3872 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3873 wlen); 3874 if (rval) { 3875 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3876 "segment %d of firmware\n", ha->host_no, 3877 fragment)); 3878 qla_printk(KERN_WARNING, ha, 3879 "[ERROR] Failed to load segment %d of " 3880 "firmware\n", fragment); 3881 break; 3882 } 3883 3884 fwcode += wlen; 3885 risc_addr += wlen; 3886 risc_size -= wlen; 3887 fragment++; 3888 } 3889 3890 /* Next segment. */ 3891 seg++; 3892 } 3893 return rval; 3894 3895 fail_fw_integrity: 3896 return QLA_FUNCTION_FAILED; 3897 } 3898 3899 int 3900 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3901 { 3902 int rval; 3903 int segments, fragment; 3904 uint32_t *dcode, dlen; 3905 uint32_t risc_addr; 3906 uint32_t risc_size; 3907 uint32_t i; 3908 struct fw_blob *blob; 3909 uint32_t *fwcode, fwclen; 3910 3911 /* Load firmware blob. */ 3912 blob = qla2x00_request_firmware(ha); 3913 if (!blob) { 3914 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3915 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3916 "from: " QLA_FW_URL ".\n"); 3917 3918 /* Try to load RISC code from flash. */ 3919 qla_printk(KERN_ERR, ha, "Attempting to load (potentially " 3920 "outdated) firmware from flash.\n"); 3921 return qla24xx_load_risc_flash(ha, srisc_addr); 3922 } 3923 3924 rval = QLA_SUCCESS; 3925 3926 segments = FA_RISC_CODE_SEGMENTS; 3927 dcode = (uint32_t *)ha->request_ring; 3928 *srisc_addr = 0; 3929 fwcode = (uint32_t *)blob->fw->data; 3930 fwclen = 0; 3931 3932 /* Validate firmware image by checking version. */ 3933 if (blob->fw->size < 8 * sizeof(uint32_t)) { 3934 qla_printk(KERN_WARNING, ha, 3935 "Unable to verify integrity of firmware image (%Zd)!\n", 3936 blob->fw->size); 3937 goto fail_fw_integrity; 3938 } 3939 for (i = 0; i < 4; i++) 3940 dcode[i] = be32_to_cpu(fwcode[i + 4]); 3941 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3942 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3943 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3944 dcode[3] == 0)) { 3945 qla_printk(KERN_WARNING, ha, 3946 "Unable to verify integrity of firmware image!\n"); 3947 qla_printk(KERN_WARNING, ha, 3948 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3949 dcode[1], dcode[2], dcode[3]); 3950 goto fail_fw_integrity; 3951 } 3952 3953 while (segments && rval == QLA_SUCCESS) { 3954 risc_addr = be32_to_cpu(fwcode[2]); 3955 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3956 risc_size = be32_to_cpu(fwcode[3]); 3957 3958 /* Validate firmware image size. */ 3959 fwclen += risc_size * sizeof(uint32_t); 3960 if (blob->fw->size < fwclen) { 3961 qla_printk(KERN_WARNING, ha, 3962 "Unable to verify integrity of firmware image " 3963 "(%Zd)!\n", blob->fw->size); 3964 3965 goto fail_fw_integrity; 3966 } 3967 3968 fragment = 0; 3969 while (risc_size > 0 && rval == QLA_SUCCESS) { 3970 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3971 if (dlen > risc_size) 3972 dlen = risc_size; 3973 3974 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3975 "addr %x, number of dwords 0x%x.\n", ha->host_no, 3976 risc_addr, dlen)); 3977 3978 for (i = 0; i < dlen; i++) 3979 dcode[i] = swab32(fwcode[i]); 3980 3981 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3982 dlen); 3983 if (rval) { 3984 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3985 "segment %d of firmware\n", ha->host_no, 3986 fragment)); 3987 qla_printk(KERN_WARNING, ha, 3988 "[ERROR] Failed to load segment %d of " 3989 "firmware\n", fragment); 3990 break; 3991 } 3992 3993 fwcode += dlen; 3994 risc_addr += dlen; 3995 risc_size -= dlen; 3996 fragment++; 3997 } 3998 3999 /* Next segment. */ 4000 segments--; 4001 } 4002 return rval; 4003 4004 fail_fw_integrity: 4005 return QLA_FUNCTION_FAILED; 4006 } 4007 4008 void 4009 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha) 4010 { 4011 int ret, retries; 4012 4013 if (!IS_FWI2_CAPABLE(ha)) 4014 return; 4015 if (!ha->fw_major_version) 4016 return; 4017 4018 ret = qla2x00_stop_firmware(ha); 4019 for (retries = 5; ret != QLA_SUCCESS && retries ; retries--) { 4020 qla2x00_reset_chip(ha); 4021 if (qla2x00_chip_diag(ha) != QLA_SUCCESS) 4022 continue; 4023 if (qla2x00_setup_chip(ha) != QLA_SUCCESS) 4024 continue; 4025 qla_printk(KERN_INFO, ha, 4026 "Attempting retry of stop-firmware command...\n"); 4027 ret = qla2x00_stop_firmware(ha); 4028 } 4029 } 4030 4031 int 4032 qla24xx_configure_vhba(scsi_qla_host_t *ha) 4033 { 4034 int rval = QLA_SUCCESS; 4035 uint16_t mb[MAILBOX_REGISTER_COUNT]; 4036 4037 if (!ha->parent) 4038 return -EINVAL; 4039 4040 rval = qla2x00_fw_ready(ha); 4041 if (rval == QLA_SUCCESS) { 4042 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 4043 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 4044 } 4045 4046 ha->flags.management_server_logged_in = 0; 4047 4048 /* Login to SNS first */ 4049 qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc, 4050 mb, BIT_1); 4051 if (mb[0] != MBS_COMMAND_COMPLETE) { 4052 DEBUG15(qla_printk(KERN_INFO, ha, 4053 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 4054 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS, 4055 mb[0], mb[1], mb[2], mb[6], mb[7])); 4056 return (QLA_FUNCTION_FAILED); 4057 } 4058 4059 atomic_set(&ha->loop_down_timer, 0); 4060 atomic_set(&ha->loop_state, LOOP_UP); 4061 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 4062 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 4063 rval = qla2x00_loop_resync(ha); 4064 4065 return rval; 4066 } 4067