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 switch (ha->link_data_rate) { 2083 case PORT_SPEED_1GB: 2084 fcport->fp_speed = cpu_to_be16(BIT_15); 2085 break; 2086 case PORT_SPEED_2GB: 2087 fcport->fp_speed = cpu_to_be16(BIT_14); 2088 break; 2089 case PORT_SPEED_4GB: 2090 fcport->fp_speed = cpu_to_be16(BIT_13); 2091 break; 2092 } 2093 2094 qla2x00_update_fcport(ha, fcport); 2095 2096 found_devs++; 2097 } 2098 2099 cleanup_allocation: 2100 kfree(new_fcport); 2101 2102 if (rval != QLA_SUCCESS) { 2103 DEBUG2(printk("scsi(%ld): Configure local loop error exit: " 2104 "rval=%x\n", ha->host_no, rval)); 2105 } 2106 2107 if (found_devs) { 2108 ha->device_flags |= DFLG_LOCAL_DEVICES; 2109 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; 2110 } 2111 2112 return (rval); 2113 } 2114 2115 static void 2116 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) 2117 { 2118 fc_port_t *fcport; 2119 2120 qla2x00_mark_all_devices_lost(ha, 0); 2121 list_for_each_entry(fcport, &ha->fcports, list) { 2122 if (fcport->port_type != FCT_TARGET) 2123 continue; 2124 2125 qla2x00_update_fcport(ha, fcport); 2126 } 2127 } 2128 2129 static void 2130 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2131 { 2132 #define LS_UNKNOWN 2 2133 static char *link_speeds[5] = { "1", "2", "?", "4" }; 2134 int rval; 2135 uint16_t port_speed, mb[6]; 2136 2137 if (!IS_IIDMA_CAPABLE(ha)) 2138 return; 2139 2140 switch (be16_to_cpu(fcport->fp_speed)) { 2141 case BIT_15: 2142 port_speed = PORT_SPEED_1GB; 2143 break; 2144 case BIT_14: 2145 port_speed = PORT_SPEED_2GB; 2146 break; 2147 case BIT_13: 2148 port_speed = PORT_SPEED_4GB; 2149 break; 2150 default: 2151 DEBUG2(printk("scsi(%ld): %02x%02x%02x%02x%02x%02x%02x%02x -- " 2152 "unsupported FM port operating speed (%04x).\n", 2153 ha->host_no, fcport->port_name[0], fcport->port_name[1], 2154 fcport->port_name[2], fcport->port_name[3], 2155 fcport->port_name[4], fcport->port_name[5], 2156 fcport->port_name[6], fcport->port_name[7], 2157 be16_to_cpu(fcport->fp_speed))); 2158 port_speed = PORT_SPEED_UNKNOWN; 2159 break; 2160 } 2161 if (port_speed == PORT_SPEED_UNKNOWN) 2162 return; 2163 2164 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, port_speed, mb); 2165 if (rval != QLA_SUCCESS) { 2166 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA " 2167 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n", 2168 ha->host_no, fcport->port_name[0], fcport->port_name[1], 2169 fcport->port_name[2], fcport->port_name[3], 2170 fcport->port_name[4], fcport->port_name[5], 2171 fcport->port_name[6], fcport->port_name[7], rval, 2172 port_speed, mb[0], mb[1])); 2173 } else { 2174 DEBUG2(qla_printk(KERN_INFO, ha, 2175 "iIDMA adjusted to %s GB/s on " 2176 "%02x%02x%02x%02x%02x%02x%02x%02x.\n", 2177 link_speeds[port_speed], fcport->port_name[0], 2178 fcport->port_name[1], fcport->port_name[2], 2179 fcport->port_name[3], fcport->port_name[4], 2180 fcport->port_name[5], fcport->port_name[6], 2181 fcport->port_name[7])); 2182 } 2183 } 2184 2185 static void 2186 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 2187 { 2188 struct fc_rport_identifiers rport_ids; 2189 struct fc_rport *rport; 2190 unsigned long flags; 2191 2192 if (fcport->drport) 2193 qla2x00_rport_del(fcport); 2194 if (fcport->rport) 2195 return; 2196 2197 rport_ids.node_name = wwn_to_u64(fcport->node_name); 2198 rport_ids.port_name = wwn_to_u64(fcport->port_name); 2199 rport_ids.port_id = fcport->d_id.b.domain << 16 | 2200 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 2201 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2202 rport = fc_remote_port_add(ha->host, 0, &rport_ids); 2203 if (!rport) { 2204 qla_printk(KERN_WARNING, ha, 2205 "Unable to allocate fc remote port!\n"); 2206 return; 2207 } 2208 spin_lock_irqsave(&fcport->rport_lock, flags); 2209 fcport->rport = rport; 2210 *((fc_port_t **)rport->dd_data) = fcport; 2211 spin_unlock_irqrestore(&fcport->rport_lock, flags); 2212 2213 rport->supported_classes = fcport->supported_classes; 2214 2215 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2216 if (fcport->port_type == FCT_INITIATOR) 2217 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; 2218 if (fcport->port_type == FCT_TARGET) 2219 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 2220 fc_remote_port_rolechg(rport, rport_ids.roles); 2221 2222 if (rport->scsi_target_id != -1 && 2223 rport->scsi_target_id < ha->host->max_id) 2224 fcport->os_target_id = rport->scsi_target_id; 2225 } 2226 2227 /* 2228 * qla2x00_update_fcport 2229 * Updates device on list. 2230 * 2231 * Input: 2232 * ha = adapter block pointer. 2233 * fcport = port structure pointer. 2234 * 2235 * Return: 2236 * 0 - Success 2237 * BIT_0 - error 2238 * 2239 * Context: 2240 * Kernel context. 2241 */ 2242 void 2243 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2244 { 2245 scsi_qla_host_t *pha = to_qla_parent(ha); 2246 2247 fcport->ha = ha; 2248 fcport->login_retry = 0; 2249 fcport->port_login_retry_count = pha->port_down_retry_count * 2250 PORT_RETRY_TIME; 2251 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count * 2252 PORT_RETRY_TIME); 2253 fcport->flags &= ~FCF_LOGIN_NEEDED; 2254 2255 qla2x00_iidma_fcport(ha, fcport); 2256 2257 atomic_set(&fcport->state, FCS_ONLINE); 2258 2259 qla2x00_reg_remote_port(ha, fcport); 2260 } 2261 2262 /* 2263 * qla2x00_configure_fabric 2264 * Setup SNS devices with loop ID's. 2265 * 2266 * Input: 2267 * ha = adapter block pointer. 2268 * 2269 * Returns: 2270 * 0 = success. 2271 * BIT_0 = error 2272 */ 2273 static int 2274 qla2x00_configure_fabric(scsi_qla_host_t *ha) 2275 { 2276 int rval, rval2; 2277 fc_port_t *fcport, *fcptemp; 2278 uint16_t next_loopid; 2279 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2280 uint16_t loop_id; 2281 LIST_HEAD(new_fcports); 2282 scsi_qla_host_t *pha = to_qla_parent(ha); 2283 2284 /* If FL port exists, then SNS is present */ 2285 if (IS_FWI2_CAPABLE(ha)) 2286 loop_id = NPH_F_PORT; 2287 else 2288 loop_id = SNS_FL_PORT; 2289 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1); 2290 if (rval != QLA_SUCCESS) { 2291 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " 2292 "Port\n", ha->host_no)); 2293 2294 ha->device_flags &= ~SWITCH_FOUND; 2295 return (QLA_SUCCESS); 2296 } 2297 ha->device_flags |= SWITCH_FOUND; 2298 2299 /* Mark devices that need re-synchronization. */ 2300 rval2 = qla2x00_device_resync(ha); 2301 if (rval2 == QLA_RSCNS_HANDLED) { 2302 /* No point doing the scan, just continue. */ 2303 return (QLA_SUCCESS); 2304 } 2305 do { 2306 /* FDMI support. */ 2307 if (ql2xfdmienable && 2308 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags)) 2309 qla2x00_fdmi_register(ha); 2310 2311 /* Ensure we are logged into the SNS. */ 2312 if (IS_FWI2_CAPABLE(ha)) 2313 loop_id = NPH_SNS; 2314 else 2315 loop_id = SIMPLE_NAME_SERVER; 2316 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff, 2317 0xfc, mb, BIT_1 | BIT_0); 2318 if (mb[0] != MBS_COMMAND_COMPLETE) { 2319 DEBUG2(qla_printk(KERN_INFO, ha, 2320 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 2321 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, 2322 mb[0], mb[1], mb[2], mb[6], mb[7])); 2323 return (QLA_SUCCESS); 2324 } 2325 2326 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { 2327 if (qla2x00_rft_id(ha)) { 2328 /* EMPTY */ 2329 DEBUG2(printk("scsi(%ld): Register FC-4 " 2330 "TYPE failed.\n", ha->host_no)); 2331 } 2332 if (qla2x00_rff_id(ha)) { 2333 /* EMPTY */ 2334 DEBUG2(printk("scsi(%ld): Register FC-4 " 2335 "Features failed.\n", ha->host_no)); 2336 } 2337 if (qla2x00_rnn_id(ha)) { 2338 /* EMPTY */ 2339 DEBUG2(printk("scsi(%ld): Register Node Name " 2340 "failed.\n", ha->host_no)); 2341 } else if (qla2x00_rsnn_nn(ha)) { 2342 /* EMPTY */ 2343 DEBUG2(printk("scsi(%ld): Register Symbolic " 2344 "Node Name failed.\n", ha->host_no)); 2345 } 2346 } 2347 2348 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); 2349 if (rval != QLA_SUCCESS) 2350 break; 2351 2352 /* 2353 * Logout all previous fabric devices marked lost, except 2354 * tape devices. 2355 */ 2356 list_for_each_entry(fcport, &pha->fcports, list) { 2357 if (fcport->vp_idx !=ha->vp_idx) 2358 continue; 2359 2360 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2361 break; 2362 2363 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 2364 continue; 2365 2366 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 2367 qla2x00_mark_device_lost(ha, fcport, 2368 ql2xplogiabsentdevice, 0); 2369 if (fcport->loop_id != FC_NO_LOOP_ID && 2370 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2371 fcport->port_type != FCT_INITIATOR && 2372 fcport->port_type != FCT_BROADCAST) { 2373 ha->isp_ops->fabric_logout(ha, 2374 fcport->loop_id, 2375 fcport->d_id.b.domain, 2376 fcport->d_id.b.area, 2377 fcport->d_id.b.al_pa); 2378 fcport->loop_id = FC_NO_LOOP_ID; 2379 } 2380 } 2381 } 2382 2383 /* Starting free loop ID. */ 2384 next_loopid = pha->min_external_loopid; 2385 2386 /* 2387 * Scan through our port list and login entries that need to be 2388 * logged in. 2389 */ 2390 list_for_each_entry(fcport, &pha->fcports, list) { 2391 if (fcport->vp_idx != ha->vp_idx) 2392 continue; 2393 2394 if (atomic_read(&ha->loop_down_timer) || 2395 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2396 break; 2397 2398 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2399 (fcport->flags & FCF_LOGIN_NEEDED) == 0) 2400 continue; 2401 2402 if (fcport->loop_id == FC_NO_LOOP_ID) { 2403 fcport->loop_id = next_loopid; 2404 rval = qla2x00_find_new_loop_id(ha, fcport); 2405 if (rval != QLA_SUCCESS) { 2406 /* Ran out of IDs to use */ 2407 break; 2408 } 2409 } 2410 /* Login and update database */ 2411 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2412 } 2413 2414 /* Exit if out of loop IDs. */ 2415 if (rval != QLA_SUCCESS) { 2416 break; 2417 } 2418 2419 /* 2420 * Login and add the new devices to our port list. 2421 */ 2422 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2423 if (atomic_read(&ha->loop_down_timer) || 2424 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2425 break; 2426 2427 /* Find a new loop ID to use. */ 2428 fcport->loop_id = next_loopid; 2429 rval = qla2x00_find_new_loop_id(ha, fcport); 2430 if (rval != QLA_SUCCESS) { 2431 /* Ran out of IDs to use */ 2432 break; 2433 } 2434 2435 /* Login and update database */ 2436 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2437 2438 if (ha->parent) { 2439 fcport->ha = ha; 2440 fcport->vp_idx = ha->vp_idx; 2441 list_add_tail(&fcport->vp_fcport, 2442 &ha->vp_fcports); 2443 list_move_tail(&fcport->list, 2444 &ha->parent->fcports); 2445 } else 2446 list_move_tail(&fcport->list, &ha->fcports); 2447 } 2448 } while (0); 2449 2450 /* Free all new device structures not processed. */ 2451 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2452 list_del(&fcport->list); 2453 kfree(fcport); 2454 } 2455 2456 if (rval) { 2457 DEBUG2(printk("scsi(%ld): Configure fabric error exit: " 2458 "rval=%d\n", ha->host_no, rval)); 2459 } 2460 2461 return (rval); 2462 } 2463 2464 2465 /* 2466 * qla2x00_find_all_fabric_devs 2467 * 2468 * Input: 2469 * ha = adapter block pointer. 2470 * dev = database device entry pointer. 2471 * 2472 * Returns: 2473 * 0 = success. 2474 * 2475 * Context: 2476 * Kernel context. 2477 */ 2478 static int 2479 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) 2480 { 2481 int rval; 2482 uint16_t loop_id; 2483 fc_port_t *fcport, *new_fcport, *fcptemp; 2484 int found; 2485 2486 sw_info_t *swl; 2487 int swl_idx; 2488 int first_dev, last_dev; 2489 port_id_t wrap, nxt_d_id; 2490 int vp_index; 2491 int empty_vp_index; 2492 int found_vp; 2493 scsi_qla_host_t *vha; 2494 scsi_qla_host_t *pha = to_qla_parent(ha); 2495 2496 rval = QLA_SUCCESS; 2497 2498 /* Try GID_PT to get device list, else GAN. */ 2499 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC); 2500 if (swl == NULL) { 2501 /*EMPTY*/ 2502 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2503 "on GA_NXT\n", ha->host_no)); 2504 } else { 2505 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES); 2506 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { 2507 kfree(swl); 2508 swl = NULL; 2509 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { 2510 kfree(swl); 2511 swl = NULL; 2512 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { 2513 kfree(swl); 2514 swl = NULL; 2515 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) { 2516 qla2x00_gpsc(ha, swl); 2517 } 2518 } 2519 swl_idx = 0; 2520 2521 /* Allocate temporary fcport for any new fcports discovered. */ 2522 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2523 if (new_fcport == NULL) { 2524 kfree(swl); 2525 return (QLA_MEMORY_ALLOC_FAILED); 2526 } 2527 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2528 new_fcport->vp_idx = ha->vp_idx; 2529 /* Set start port ID scan at adapter ID. */ 2530 first_dev = 1; 2531 last_dev = 0; 2532 2533 /* Starting free loop ID. */ 2534 loop_id = pha->min_external_loopid; 2535 for (; loop_id <= ha->last_loop_id; loop_id++) { 2536 if (qla2x00_is_reserved_id(ha, loop_id)) 2537 continue; 2538 2539 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) 2540 break; 2541 2542 if (swl != NULL) { 2543 if (last_dev) { 2544 wrap.b24 = new_fcport->d_id.b24; 2545 } else { 2546 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 2547 memcpy(new_fcport->node_name, 2548 swl[swl_idx].node_name, WWN_SIZE); 2549 memcpy(new_fcport->port_name, 2550 swl[swl_idx].port_name, WWN_SIZE); 2551 memcpy(new_fcport->fabric_port_name, 2552 swl[swl_idx].fabric_port_name, WWN_SIZE); 2553 new_fcport->fp_speed = swl[swl_idx].fp_speed; 2554 2555 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 2556 last_dev = 1; 2557 } 2558 swl_idx++; 2559 } 2560 } else { 2561 /* Send GA_NXT to the switch */ 2562 rval = qla2x00_ga_nxt(ha, new_fcport); 2563 if (rval != QLA_SUCCESS) { 2564 qla_printk(KERN_WARNING, ha, 2565 "SNS scan failed -- assuming zero-entry " 2566 "result...\n"); 2567 list_for_each_entry_safe(fcport, fcptemp, 2568 new_fcports, list) { 2569 list_del(&fcport->list); 2570 kfree(fcport); 2571 } 2572 rval = QLA_SUCCESS; 2573 break; 2574 } 2575 } 2576 2577 /* If wrap on switch device list, exit. */ 2578 if (first_dev) { 2579 wrap.b24 = new_fcport->d_id.b24; 2580 first_dev = 0; 2581 } else if (new_fcport->d_id.b24 == wrap.b24) { 2582 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", 2583 ha->host_no, new_fcport->d_id.b.domain, 2584 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); 2585 break; 2586 } 2587 2588 /* Bypass if same physical adapter. */ 2589 if (new_fcport->d_id.b24 == pha->d_id.b24) 2590 continue; 2591 2592 /* Bypass virtual ports of the same host. */ 2593 if (pha->num_vhosts) { 2594 vp_index = find_next_bit( 2595 (unsigned long *)pha->vp_idx_map, 2596 MAX_MULTI_ID_FABRIC + 1, 1); 2597 2598 for (;vp_index <= MAX_MULTI_ID_FABRIC; 2599 vp_index = find_next_bit( 2600 (unsigned long *)pha->vp_idx_map, 2601 MAX_MULTI_ID_FABRIC + 1, vp_index + 1)) { 2602 empty_vp_index = 1; 2603 found_vp = 0; 2604 list_for_each_entry(vha, &pha->vp_list, 2605 vp_list) { 2606 if (vp_index == vha->vp_idx) { 2607 empty_vp_index = 0; 2608 found_vp = 1; 2609 break; 2610 } 2611 } 2612 2613 if (empty_vp_index) 2614 continue; 2615 2616 if (found_vp && 2617 new_fcport->d_id.b24 == vha->d_id.b24) 2618 break; 2619 } 2620 if (vp_index <= MAX_MULTI_ID_FABRIC) 2621 continue; 2622 } 2623 2624 /* Bypass if same domain and area of adapter. */ 2625 if (((new_fcport->d_id.b24 & 0xffff00) == 2626 (ha->d_id.b24 & 0xffff00)) && ha->current_topology == 2627 ISP_CFG_FL) 2628 continue; 2629 2630 /* Bypass reserved domain fields. */ 2631 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 2632 continue; 2633 2634 /* Locate matching device in database. */ 2635 found = 0; 2636 list_for_each_entry(fcport, &pha->fcports, list) { 2637 if (new_fcport->vp_idx != fcport->vp_idx) 2638 continue; 2639 if (memcmp(new_fcport->port_name, fcport->port_name, 2640 WWN_SIZE)) 2641 continue; 2642 2643 found++; 2644 2645 /* Update port state. */ 2646 memcpy(fcport->fabric_port_name, 2647 new_fcport->fabric_port_name, WWN_SIZE); 2648 fcport->fp_speed = new_fcport->fp_speed; 2649 2650 /* 2651 * If address the same and state FCS_ONLINE, nothing 2652 * changed. 2653 */ 2654 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 2655 atomic_read(&fcport->state) == FCS_ONLINE) { 2656 break; 2657 } 2658 2659 /* 2660 * If device was not a fabric device before. 2661 */ 2662 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2663 fcport->d_id.b24 = new_fcport->d_id.b24; 2664 fcport->loop_id = FC_NO_LOOP_ID; 2665 fcport->flags |= (FCF_FABRIC_DEVICE | 2666 FCF_LOGIN_NEEDED); 2667 fcport->flags &= ~FCF_PERSISTENT_BOUND; 2668 break; 2669 } 2670 2671 /* 2672 * Port ID changed or device was marked to be updated; 2673 * Log it out if still logged in and mark it for 2674 * relogin later. 2675 */ 2676 fcport->d_id.b24 = new_fcport->d_id.b24; 2677 fcport->flags |= FCF_LOGIN_NEEDED; 2678 if (fcport->loop_id != FC_NO_LOOP_ID && 2679 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2680 fcport->port_type != FCT_INITIATOR && 2681 fcport->port_type != FCT_BROADCAST) { 2682 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 2683 fcport->d_id.b.domain, fcport->d_id.b.area, 2684 fcport->d_id.b.al_pa); 2685 fcport->loop_id = FC_NO_LOOP_ID; 2686 } 2687 2688 break; 2689 } 2690 2691 if (found) 2692 continue; 2693 2694 /* If device was not in our fcports list, then add it. */ 2695 list_add_tail(&new_fcport->list, new_fcports); 2696 2697 /* Allocate a new replacement fcport. */ 2698 nxt_d_id.b24 = new_fcport->d_id.b24; 2699 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2700 if (new_fcport == NULL) { 2701 kfree(swl); 2702 return (QLA_MEMORY_ALLOC_FAILED); 2703 } 2704 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2705 new_fcport->d_id.b24 = nxt_d_id.b24; 2706 new_fcport->vp_idx = ha->vp_idx; 2707 } 2708 2709 kfree(swl); 2710 kfree(new_fcport); 2711 2712 if (!list_empty(new_fcports)) 2713 ha->device_flags |= DFLG_FABRIC_DEVICES; 2714 2715 return (rval); 2716 } 2717 2718 /* 2719 * qla2x00_find_new_loop_id 2720 * Scan through our port list and find a new usable loop ID. 2721 * 2722 * Input: 2723 * ha: adapter state pointer. 2724 * dev: port structure pointer. 2725 * 2726 * Returns: 2727 * qla2x00 local function return status code. 2728 * 2729 * Context: 2730 * Kernel context. 2731 */ 2732 static int 2733 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) 2734 { 2735 int rval; 2736 int found; 2737 fc_port_t *fcport; 2738 uint16_t first_loop_id; 2739 scsi_qla_host_t *pha = to_qla_parent(ha); 2740 2741 rval = QLA_SUCCESS; 2742 2743 /* Save starting loop ID. */ 2744 first_loop_id = dev->loop_id; 2745 2746 for (;;) { 2747 /* Skip loop ID if already used by adapter. */ 2748 if (dev->loop_id == ha->loop_id) { 2749 dev->loop_id++; 2750 } 2751 2752 /* Skip reserved loop IDs. */ 2753 while (qla2x00_is_reserved_id(ha, dev->loop_id)) { 2754 dev->loop_id++; 2755 } 2756 2757 /* Reset loop ID if passed the end. */ 2758 if (dev->loop_id > ha->last_loop_id) { 2759 /* first loop ID. */ 2760 dev->loop_id = ha->min_external_loopid; 2761 } 2762 2763 /* Check for loop ID being already in use. */ 2764 found = 0; 2765 fcport = NULL; 2766 list_for_each_entry(fcport, &pha->fcports, list) { 2767 if (fcport->loop_id == dev->loop_id && fcport != dev) { 2768 /* ID possibly in use */ 2769 found++; 2770 break; 2771 } 2772 } 2773 2774 /* If not in use then it is free to use. */ 2775 if (!found) { 2776 break; 2777 } 2778 2779 /* ID in use. Try next value. */ 2780 dev->loop_id++; 2781 2782 /* If wrap around. No free ID to use. */ 2783 if (dev->loop_id == first_loop_id) { 2784 dev->loop_id = FC_NO_LOOP_ID; 2785 rval = QLA_FUNCTION_FAILED; 2786 break; 2787 } 2788 } 2789 2790 return (rval); 2791 } 2792 2793 /* 2794 * qla2x00_device_resync 2795 * Marks devices in the database that needs resynchronization. 2796 * 2797 * Input: 2798 * ha = adapter block pointer. 2799 * 2800 * Context: 2801 * Kernel context. 2802 */ 2803 static int 2804 qla2x00_device_resync(scsi_qla_host_t *ha) 2805 { 2806 int rval; 2807 uint32_t mask; 2808 fc_port_t *fcport; 2809 uint32_t rscn_entry; 2810 uint8_t rscn_out_iter; 2811 uint8_t format; 2812 port_id_t d_id; 2813 scsi_qla_host_t *pha = to_qla_parent(ha); 2814 2815 rval = QLA_RSCNS_HANDLED; 2816 2817 while (ha->rscn_out_ptr != ha->rscn_in_ptr || 2818 ha->flags.rscn_queue_overflow) { 2819 2820 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; 2821 format = MSB(MSW(rscn_entry)); 2822 d_id.b.domain = LSB(MSW(rscn_entry)); 2823 d_id.b.area = MSB(LSW(rscn_entry)); 2824 d_id.b.al_pa = LSB(LSW(rscn_entry)); 2825 2826 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " 2827 "[%02x/%02x%02x%02x].\n", 2828 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, 2829 d_id.b.area, d_id.b.al_pa)); 2830 2831 ha->rscn_out_ptr++; 2832 if (ha->rscn_out_ptr == MAX_RSCN_COUNT) 2833 ha->rscn_out_ptr = 0; 2834 2835 /* Skip duplicate entries. */ 2836 for (rscn_out_iter = ha->rscn_out_ptr; 2837 !ha->flags.rscn_queue_overflow && 2838 rscn_out_iter != ha->rscn_in_ptr; 2839 rscn_out_iter = (rscn_out_iter == 2840 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { 2841 2842 if (rscn_entry != ha->rscn_queue[rscn_out_iter]) 2843 break; 2844 2845 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " 2846 "entry found at [%d].\n", ha->host_no, 2847 rscn_out_iter)); 2848 2849 ha->rscn_out_ptr = rscn_out_iter; 2850 } 2851 2852 /* Queue overflow, set switch default case. */ 2853 if (ha->flags.rscn_queue_overflow) { 2854 DEBUG(printk("scsi(%ld): device_resync: rscn " 2855 "overflow.\n", ha->host_no)); 2856 2857 format = 3; 2858 ha->flags.rscn_queue_overflow = 0; 2859 } 2860 2861 switch (format) { 2862 case 0: 2863 mask = 0xffffff; 2864 break; 2865 case 1: 2866 mask = 0xffff00; 2867 break; 2868 case 2: 2869 mask = 0xff0000; 2870 break; 2871 default: 2872 mask = 0x0; 2873 d_id.b24 = 0; 2874 ha->rscn_out_ptr = ha->rscn_in_ptr; 2875 break; 2876 } 2877 2878 rval = QLA_SUCCESS; 2879 2880 list_for_each_entry(fcport, &pha->fcports, list) { 2881 if (fcport->vp_idx != ha->vp_idx) 2882 continue; 2883 2884 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2885 (fcport->d_id.b24 & mask) != d_id.b24 || 2886 fcport->port_type == FCT_BROADCAST) 2887 continue; 2888 2889 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2890 if (format != 3 || 2891 fcport->port_type != FCT_INITIATOR) { 2892 qla2x00_mark_device_lost(ha, fcport, 2893 0, 0); 2894 } 2895 } 2896 fcport->flags &= ~FCF_FARP_DONE; 2897 } 2898 } 2899 return (rval); 2900 } 2901 2902 /* 2903 * qla2x00_fabric_dev_login 2904 * Login fabric target device and update FC port database. 2905 * 2906 * Input: 2907 * ha: adapter state pointer. 2908 * fcport: port structure list pointer. 2909 * next_loopid: contains value of a new loop ID that can be used 2910 * by the next login attempt. 2911 * 2912 * Returns: 2913 * qla2x00 local function return status code. 2914 * 2915 * Context: 2916 * Kernel context. 2917 */ 2918 static int 2919 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2920 uint16_t *next_loopid) 2921 { 2922 int rval; 2923 int retry; 2924 uint8_t opts; 2925 2926 rval = QLA_SUCCESS; 2927 retry = 0; 2928 2929 rval = qla2x00_fabric_login(ha, fcport, next_loopid); 2930 if (rval == QLA_SUCCESS) { 2931 /* Send an ADISC to tape devices.*/ 2932 opts = 0; 2933 if (fcport->flags & FCF_TAPE_PRESENT) 2934 opts |= BIT_1; 2935 rval = qla2x00_get_port_database(ha, fcport, opts); 2936 if (rval != QLA_SUCCESS) { 2937 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 2938 fcport->d_id.b.domain, fcport->d_id.b.area, 2939 fcport->d_id.b.al_pa); 2940 qla2x00_mark_device_lost(ha, fcport, 1, 0); 2941 } else { 2942 qla2x00_update_fcport(ha, fcport); 2943 } 2944 } 2945 2946 return (rval); 2947 } 2948 2949 /* 2950 * qla2x00_fabric_login 2951 * Issue fabric login command. 2952 * 2953 * Input: 2954 * ha = adapter block pointer. 2955 * device = pointer to FC device type structure. 2956 * 2957 * Returns: 2958 * 0 - Login successfully 2959 * 1 - Login failed 2960 * 2 - Initiator device 2961 * 3 - Fatal error 2962 */ 2963 int 2964 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2965 uint16_t *next_loopid) 2966 { 2967 int rval; 2968 int retry; 2969 uint16_t tmp_loopid; 2970 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2971 2972 retry = 0; 2973 tmp_loopid = 0; 2974 2975 for (;;) { 2976 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " 2977 "for port %02x%02x%02x.\n", 2978 ha->host_no, fcport->loop_id, fcport->d_id.b.domain, 2979 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2980 2981 /* Login fcport on switch. */ 2982 ha->isp_ops->fabric_login(ha, fcport->loop_id, 2983 fcport->d_id.b.domain, fcport->d_id.b.area, 2984 fcport->d_id.b.al_pa, mb, BIT_0); 2985 if (mb[0] == MBS_PORT_ID_USED) { 2986 /* 2987 * Device has another loop ID. The firmware team 2988 * recommends the driver perform an implicit login with 2989 * the specified ID again. The ID we just used is save 2990 * here so we return with an ID that can be tried by 2991 * the next login. 2992 */ 2993 retry++; 2994 tmp_loopid = fcport->loop_id; 2995 fcport->loop_id = mb[1]; 2996 2997 DEBUG(printk("Fabric Login: port in use - next " 2998 "loop id=0x%04x, port Id=%02x%02x%02x.\n", 2999 fcport->loop_id, fcport->d_id.b.domain, 3000 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 3001 3002 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 3003 /* 3004 * Login succeeded. 3005 */ 3006 if (retry) { 3007 /* A retry occurred before. */ 3008 *next_loopid = tmp_loopid; 3009 } else { 3010 /* 3011 * No retry occurred before. Just increment the 3012 * ID value for next login. 3013 */ 3014 *next_loopid = (fcport->loop_id + 1); 3015 } 3016 3017 if (mb[1] & BIT_0) { 3018 fcport->port_type = FCT_INITIATOR; 3019 } else { 3020 fcport->port_type = FCT_TARGET; 3021 if (mb[1] & BIT_1) { 3022 fcport->flags |= FCF_TAPE_PRESENT; 3023 } 3024 } 3025 3026 if (mb[10] & BIT_0) 3027 fcport->supported_classes |= FC_COS_CLASS2; 3028 if (mb[10] & BIT_1) 3029 fcport->supported_classes |= FC_COS_CLASS3; 3030 3031 rval = QLA_SUCCESS; 3032 break; 3033 } else if (mb[0] == MBS_LOOP_ID_USED) { 3034 /* 3035 * Loop ID already used, try next loop ID. 3036 */ 3037 fcport->loop_id++; 3038 rval = qla2x00_find_new_loop_id(ha, fcport); 3039 if (rval != QLA_SUCCESS) { 3040 /* Ran out of loop IDs to use */ 3041 break; 3042 } 3043 } else if (mb[0] == MBS_COMMAND_ERROR) { 3044 /* 3045 * Firmware possibly timed out during login. If NO 3046 * retries are left to do then the device is declared 3047 * dead. 3048 */ 3049 *next_loopid = fcport->loop_id; 3050 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3051 fcport->d_id.b.domain, fcport->d_id.b.area, 3052 fcport->d_id.b.al_pa); 3053 qla2x00_mark_device_lost(ha, fcport, 1, 0); 3054 3055 rval = 1; 3056 break; 3057 } else { 3058 /* 3059 * unrecoverable / not handled error 3060 */ 3061 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " 3062 "loop_id=%x jiffies=%lx.\n", 3063 __func__, ha->host_no, mb[0], 3064 fcport->d_id.b.domain, fcport->d_id.b.area, 3065 fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); 3066 3067 *next_loopid = fcport->loop_id; 3068 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3069 fcport->d_id.b.domain, fcport->d_id.b.area, 3070 fcport->d_id.b.al_pa); 3071 fcport->loop_id = FC_NO_LOOP_ID; 3072 fcport->login_retry = 0; 3073 3074 rval = 3; 3075 break; 3076 } 3077 } 3078 3079 return (rval); 3080 } 3081 3082 /* 3083 * qla2x00_local_device_login 3084 * Issue local device login command. 3085 * 3086 * Input: 3087 * ha = adapter block pointer. 3088 * loop_id = loop id of device to login to. 3089 * 3090 * Returns (Where's the #define!!!!): 3091 * 0 - Login successfully 3092 * 1 - Login failed 3093 * 3 - Fatal error 3094 */ 3095 int 3096 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport) 3097 { 3098 int rval; 3099 uint16_t mb[MAILBOX_REGISTER_COUNT]; 3100 3101 memset(mb, 0, sizeof(mb)); 3102 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0); 3103 if (rval == QLA_SUCCESS) { 3104 /* Interrogate mailbox registers for any errors */ 3105 if (mb[0] == MBS_COMMAND_ERROR) 3106 rval = 1; 3107 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 3108 /* device not in PCB table */ 3109 rval = 3; 3110 } 3111 3112 return (rval); 3113 } 3114 3115 /* 3116 * qla2x00_loop_resync 3117 * Resync with fibre channel devices. 3118 * 3119 * Input: 3120 * ha = adapter block pointer. 3121 * 3122 * Returns: 3123 * 0 = success 3124 */ 3125 int 3126 qla2x00_loop_resync(scsi_qla_host_t *ha) 3127 { 3128 int rval; 3129 uint32_t wait_time; 3130 3131 rval = QLA_SUCCESS; 3132 3133 atomic_set(&ha->loop_state, LOOP_UPDATE); 3134 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3135 if (ha->flags.online) { 3136 if (!(rval = qla2x00_fw_ready(ha))) { 3137 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3138 wait_time = 256; 3139 do { 3140 atomic_set(&ha->loop_state, LOOP_UPDATE); 3141 3142 /* Issue a marker after FW becomes ready. */ 3143 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3144 ha->marker_needed = 0; 3145 3146 /* Remap devices on Loop. */ 3147 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3148 3149 qla2x00_configure_loop(ha); 3150 wait_time--; 3151 } while (!atomic_read(&ha->loop_down_timer) && 3152 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3153 wait_time && 3154 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3155 } 3156 } 3157 3158 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { 3159 return (QLA_FUNCTION_FAILED); 3160 } 3161 3162 if (rval) { 3163 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 3164 } 3165 3166 return (rval); 3167 } 3168 3169 void 3170 qla2x00_rescan_fcports(scsi_qla_host_t *ha) 3171 { 3172 int rescan_done; 3173 fc_port_t *fcport; 3174 3175 rescan_done = 0; 3176 list_for_each_entry(fcport, &ha->fcports, list) { 3177 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) 3178 continue; 3179 3180 qla2x00_update_fcport(ha, fcport); 3181 fcport->flags &= ~FCF_RESCAN_NEEDED; 3182 3183 rescan_done = 1; 3184 } 3185 qla2x00_probe_for_all_luns(ha); 3186 } 3187 3188 void 3189 qla2x00_update_fcports(scsi_qla_host_t *ha) 3190 { 3191 fc_port_t *fcport; 3192 3193 /* Go with deferred removal of rport references. */ 3194 list_for_each_entry(fcport, &ha->fcports, list) 3195 if (fcport->drport) 3196 qla2x00_rport_del(fcport); 3197 } 3198 3199 /* 3200 * qla2x00_abort_isp 3201 * Resets ISP and aborts all outstanding commands. 3202 * 3203 * Input: 3204 * ha = adapter block pointer. 3205 * 3206 * Returns: 3207 * 0 = success 3208 */ 3209 int 3210 qla2x00_abort_isp(scsi_qla_host_t *ha) 3211 { 3212 int rval; 3213 unsigned long flags = 0; 3214 uint16_t cnt; 3215 srb_t *sp; 3216 uint8_t status = 0; 3217 3218 if (ha->flags.online) { 3219 ha->flags.online = 0; 3220 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 3221 3222 qla_printk(KERN_INFO, ha, 3223 "Performing ISP error recovery - ha= %p.\n", ha); 3224 ha->isp_ops->reset_chip(ha); 3225 3226 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 3227 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 3228 atomic_set(&ha->loop_state, LOOP_DOWN); 3229 qla2x00_mark_all_devices_lost(ha, 0); 3230 } else { 3231 if (!atomic_read(&ha->loop_down_timer)) 3232 atomic_set(&ha->loop_down_timer, 3233 LOOP_DOWN_TIME); 3234 } 3235 3236 spin_lock_irqsave(&ha->hardware_lock, flags); 3237 /* Requeue all commands in outstanding command list. */ 3238 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 3239 sp = ha->outstanding_cmds[cnt]; 3240 if (sp) { 3241 ha->outstanding_cmds[cnt] = NULL; 3242 sp->flags = 0; 3243 sp->cmd->result = DID_RESET << 16; 3244 sp->cmd->host_scribble = (unsigned char *)NULL; 3245 qla2x00_sp_compl(ha, sp); 3246 } 3247 } 3248 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3249 3250 ha->isp_ops->get_flash_version(ha, ha->request_ring); 3251 3252 ha->isp_ops->nvram_config(ha); 3253 3254 if (!qla2x00_restart_isp(ha)) { 3255 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3256 3257 if (!atomic_read(&ha->loop_down_timer)) { 3258 /* 3259 * Issue marker command only when we are going 3260 * to start the I/O . 3261 */ 3262 ha->marker_needed = 1; 3263 } 3264 3265 ha->flags.online = 1; 3266 3267 ha->isp_ops->enable_intrs(ha); 3268 3269 ha->isp_abort_cnt = 0; 3270 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3271 3272 if (ha->eft) { 3273 rval = qla2x00_trace_control(ha, TC_ENABLE, 3274 ha->eft_dma, EFT_NUM_BUFFERS); 3275 if (rval) { 3276 qla_printk(KERN_WARNING, ha, 3277 "Unable to reinitialize EFT " 3278 "(%d).\n", rval); 3279 } 3280 } 3281 } else { /* failed the ISP abort */ 3282 ha->flags.online = 1; 3283 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { 3284 if (ha->isp_abort_cnt == 0) { 3285 qla_printk(KERN_WARNING, ha, 3286 "ISP error recovery failed - " 3287 "board disabled\n"); 3288 /* 3289 * The next call disables the board 3290 * completely. 3291 */ 3292 ha->isp_ops->reset_adapter(ha); 3293 ha->flags.online = 0; 3294 clear_bit(ISP_ABORT_RETRY, 3295 &ha->dpc_flags); 3296 status = 0; 3297 } else { /* schedule another ISP abort */ 3298 ha->isp_abort_cnt--; 3299 DEBUG(printk("qla%ld: ISP abort - " 3300 "retry remaining %d\n", 3301 ha->host_no, ha->isp_abort_cnt)); 3302 status = 1; 3303 } 3304 } else { 3305 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3306 DEBUG(printk("qla2x00(%ld): ISP error recovery " 3307 "- retrying (%d) more times\n", 3308 ha->host_no, ha->isp_abort_cnt)); 3309 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3310 status = 1; 3311 } 3312 } 3313 3314 } 3315 3316 if (status) { 3317 qla_printk(KERN_INFO, ha, 3318 "qla2x00_abort_isp: **** FAILED ****\n"); 3319 } else { 3320 DEBUG(printk(KERN_INFO 3321 "qla2x00_abort_isp(%ld): exiting.\n", 3322 ha->host_no)); 3323 } 3324 3325 return(status); 3326 } 3327 3328 /* 3329 * qla2x00_restart_isp 3330 * restarts the ISP after a reset 3331 * 3332 * Input: 3333 * ha = adapter block pointer. 3334 * 3335 * Returns: 3336 * 0 = success 3337 */ 3338 static int 3339 qla2x00_restart_isp(scsi_qla_host_t *ha) 3340 { 3341 uint8_t status = 0; 3342 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3343 unsigned long flags = 0; 3344 uint32_t wait_time; 3345 3346 /* If firmware needs to be loaded */ 3347 if (qla2x00_isp_firmware(ha)) { 3348 ha->flags.online = 0; 3349 if (!(status = ha->isp_ops->chip_diag(ha))) { 3350 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 3351 status = qla2x00_setup_chip(ha); 3352 goto done; 3353 } 3354 3355 spin_lock_irqsave(&ha->hardware_lock, flags); 3356 3357 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) { 3358 /* 3359 * Disable SRAM, Instruction RAM and GP RAM 3360 * parity. 3361 */ 3362 WRT_REG_WORD(®->hccr, 3363 (HCCR_ENABLE_PARITY + 0x0)); 3364 RD_REG_WORD(®->hccr); 3365 } 3366 3367 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3368 3369 status = qla2x00_setup_chip(ha); 3370 3371 spin_lock_irqsave(&ha->hardware_lock, flags); 3372 3373 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) { 3374 /* Enable proper parity */ 3375 if (IS_QLA2300(ha)) 3376 /* SRAM parity */ 3377 WRT_REG_WORD(®->hccr, 3378 (HCCR_ENABLE_PARITY + 0x1)); 3379 else 3380 /* 3381 * SRAM, Instruction RAM and GP RAM 3382 * parity. 3383 */ 3384 WRT_REG_WORD(®->hccr, 3385 (HCCR_ENABLE_PARITY + 0x7)); 3386 RD_REG_WORD(®->hccr); 3387 } 3388 3389 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3390 } 3391 } 3392 3393 done: 3394 if (!status && !(status = qla2x00_init_rings(ha))) { 3395 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3396 if (!(status = qla2x00_fw_ready(ha))) { 3397 DEBUG(printk("%s(): Start configure loop, " 3398 "status = %d\n", __func__, status)); 3399 3400 /* Issue a marker after FW becomes ready. */ 3401 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3402 3403 ha->flags.online = 1; 3404 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3405 wait_time = 256; 3406 do { 3407 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3408 qla2x00_configure_loop(ha); 3409 wait_time--; 3410 } while (!atomic_read(&ha->loop_down_timer) && 3411 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3412 wait_time && 3413 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3414 } 3415 3416 /* if no cable then assume it's good */ 3417 if ((ha->device_flags & DFLG_NO_CABLE)) 3418 status = 0; 3419 3420 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", 3421 __func__, 3422 status)); 3423 } 3424 return (status); 3425 } 3426 3427 /* 3428 * qla2x00_reset_adapter 3429 * Reset adapter. 3430 * 3431 * Input: 3432 * ha = adapter block pointer. 3433 */ 3434 void 3435 qla2x00_reset_adapter(scsi_qla_host_t *ha) 3436 { 3437 unsigned long flags = 0; 3438 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3439 3440 ha->flags.online = 0; 3441 ha->isp_ops->disable_intrs(ha); 3442 3443 spin_lock_irqsave(&ha->hardware_lock, flags); 3444 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 3445 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3446 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 3447 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3448 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3449 } 3450 3451 void 3452 qla24xx_reset_adapter(scsi_qla_host_t *ha) 3453 { 3454 unsigned long flags = 0; 3455 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3456 3457 ha->flags.online = 0; 3458 ha->isp_ops->disable_intrs(ha); 3459 3460 spin_lock_irqsave(&ha->hardware_lock, flags); 3461 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 3462 RD_REG_DWORD(®->hccr); 3463 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 3464 RD_REG_DWORD(®->hccr); 3465 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3466 } 3467 3468 /* On sparc systems, obtain port and node WWN from firmware 3469 * properties. 3470 */ 3471 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv) 3472 { 3473 #ifdef CONFIG_SPARC 3474 struct pci_dev *pdev = ha->pdev; 3475 struct device_node *dp = pci_device_to_OF_node(pdev); 3476 const u8 *val; 3477 int len; 3478 3479 val = of_get_property(dp, "port-wwn", &len); 3480 if (val && len >= WWN_SIZE) 3481 memcpy(nv->port_name, val, WWN_SIZE); 3482 3483 val = of_get_property(dp, "node-wwn", &len); 3484 if (val && len >= WWN_SIZE) 3485 memcpy(nv->node_name, val, WWN_SIZE); 3486 #endif 3487 } 3488 3489 int 3490 qla24xx_nvram_config(scsi_qla_host_t *ha) 3491 { 3492 int rval; 3493 struct init_cb_24xx *icb; 3494 struct nvram_24xx *nv; 3495 uint32_t *dptr; 3496 uint8_t *dptr1, *dptr2; 3497 uint32_t chksum; 3498 uint16_t cnt; 3499 3500 rval = QLA_SUCCESS; 3501 icb = (struct init_cb_24xx *)ha->init_cb; 3502 nv = ha->nvram; 3503 3504 /* Determine NVRAM starting address. */ 3505 ha->nvram_size = sizeof(struct nvram_24xx); 3506 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 3507 ha->vpd_size = FA_NVRAM_VPD_SIZE; 3508 ha->vpd_base = FA_NVRAM_VPD0_ADDR; 3509 if (PCI_FUNC(ha->pdev->devfn)) { 3510 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 3511 ha->vpd_base = FA_NVRAM_VPD1_ADDR; 3512 } 3513 3514 /* Get VPD data into cache */ 3515 ha->vpd = ha->nvram + VPD_OFFSET; 3516 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd, 3517 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4); 3518 3519 /* Get NVRAM data into cache and calculate checksum. */ 3520 dptr = (uint32_t *)nv; 3521 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, 3522 ha->nvram_size); 3523 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) 3524 chksum += le32_to_cpu(*dptr++); 3525 3526 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 3527 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); 3528 3529 /* Bad NVRAM data, set defaults parameters. */ 3530 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' 3531 || nv->id[3] != ' ' || 3532 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { 3533 /* Reset NVRAM data. */ 3534 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 3535 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 3536 le16_to_cpu(nv->nvram_version)); 3537 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 3538 "invalid -- WWPN) defaults.\n"); 3539 3540 /* 3541 * Set default initialization control block. 3542 */ 3543 memset(nv, 0, ha->nvram_size); 3544 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); 3545 nv->version = __constant_cpu_to_le16(ICB_VERSION); 3546 nv->frame_payload_size = __constant_cpu_to_le16(2048); 3547 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3548 nv->exchange_count = __constant_cpu_to_le16(0); 3549 nv->hard_address = __constant_cpu_to_le16(124); 3550 nv->port_name[0] = 0x21; 3551 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); 3552 nv->port_name[2] = 0x00; 3553 nv->port_name[3] = 0xe0; 3554 nv->port_name[4] = 0x8b; 3555 nv->port_name[5] = 0x1c; 3556 nv->port_name[6] = 0x55; 3557 nv->port_name[7] = 0x86; 3558 nv->node_name[0] = 0x20; 3559 nv->node_name[1] = 0x00; 3560 nv->node_name[2] = 0x00; 3561 nv->node_name[3] = 0xe0; 3562 nv->node_name[4] = 0x8b; 3563 nv->node_name[5] = 0x1c; 3564 nv->node_name[6] = 0x55; 3565 nv->node_name[7] = 0x86; 3566 qla24xx_nvram_wwn_from_ofw(ha, nv); 3567 nv->login_retry_count = __constant_cpu_to_le16(8); 3568 nv->interrupt_delay_timer = __constant_cpu_to_le16(0); 3569 nv->login_timeout = __constant_cpu_to_le16(0); 3570 nv->firmware_options_1 = 3571 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 3572 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); 3573 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); 3574 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); 3575 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); 3576 nv->efi_parameters = __constant_cpu_to_le32(0); 3577 nv->reset_delay = 5; 3578 nv->max_luns_per_target = __constant_cpu_to_le16(128); 3579 nv->port_down_retry_count = __constant_cpu_to_le16(30); 3580 nv->link_down_timeout = __constant_cpu_to_le16(30); 3581 3582 rval = 1; 3583 } 3584 3585 /* Reset Initialization control block */ 3586 memset(icb, 0, sizeof(struct init_cb_24xx)); 3587 3588 /* Copy 1st segment. */ 3589 dptr1 = (uint8_t *)icb; 3590 dptr2 = (uint8_t *)&nv->version; 3591 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 3592 while (cnt--) 3593 *dptr1++ = *dptr2++; 3594 3595 icb->login_retry_count = nv->login_retry_count; 3596 icb->link_down_on_nos = nv->link_down_on_nos; 3597 3598 /* Copy 2nd segment. */ 3599 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 3600 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 3601 cnt = (uint8_t *)&icb->reserved_3 - 3602 (uint8_t *)&icb->interrupt_delay_timer; 3603 while (cnt--) 3604 *dptr1++ = *dptr2++; 3605 3606 /* 3607 * Setup driver NVRAM options. 3608 */ 3609 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name), 3610 "QLA2462"); 3611 3612 /* Use alternate WWN? */ 3613 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) { 3614 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 3615 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 3616 } 3617 3618 /* Prepare nodename */ 3619 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) { 3620 /* 3621 * Firmware will apply the following mask if the nodename was 3622 * not provided. 3623 */ 3624 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 3625 icb->node_name[0] &= 0xF0; 3626 } 3627 3628 /* Set host adapter parameters. */ 3629 ha->flags.disable_risc_code_load = 0; 3630 ha->flags.enable_lip_reset = 0; 3631 ha->flags.enable_lip_full_login = 3632 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0; 3633 ha->flags.enable_target_reset = 3634 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0; 3635 ha->flags.enable_led_scheme = 0; 3636 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0; 3637 3638 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & 3639 (BIT_6 | BIT_5 | BIT_4)) >> 4; 3640 3641 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 3642 sizeof(ha->fw_seriallink_options24)); 3643 3644 /* save HBA serial number */ 3645 ha->serial0 = icb->port_name[5]; 3646 ha->serial1 = icb->port_name[6]; 3647 ha->serial2 = icb->port_name[7]; 3648 ha->node_name = icb->node_name; 3649 ha->port_name = icb->port_name; 3650 3651 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3652 3653 ha->retry_count = le16_to_cpu(nv->login_retry_count); 3654 3655 /* Set minimum login_timeout to 4 seconds. */ 3656 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 3657 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 3658 if (le16_to_cpu(nv->login_timeout) < 4) 3659 nv->login_timeout = __constant_cpu_to_le16(4); 3660 ha->login_timeout = le16_to_cpu(nv->login_timeout); 3661 icb->login_timeout = cpu_to_le16(nv->login_timeout); 3662 3663 /* Set minimum RATOV to 200 tenths of a second. */ 3664 ha->r_a_tov = 200; 3665 3666 ha->loop_reset_delay = nv->reset_delay; 3667 3668 /* Link Down Timeout = 0: 3669 * 3670 * When Port Down timer expires we will start returning 3671 * I/O's to OS with "DID_NO_CONNECT". 3672 * 3673 * Link Down Timeout != 0: 3674 * 3675 * The driver waits for the link to come up after link down 3676 * before returning I/Os to OS with "DID_NO_CONNECT". 3677 */ 3678 if (le16_to_cpu(nv->link_down_timeout) == 0) { 3679 ha->loop_down_abort_time = 3680 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 3681 } else { 3682 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 3683 ha->loop_down_abort_time = 3684 (LOOP_DOWN_TIME - ha->link_down_timeout); 3685 } 3686 3687 /* Need enough time to try and get the port back. */ 3688 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 3689 if (qlport_down_retry) 3690 ha->port_down_retry_count = qlport_down_retry; 3691 3692 /* Set login_retry_count */ 3693 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 3694 if (ha->port_down_retry_count == 3695 le16_to_cpu(nv->port_down_retry_count) && 3696 ha->port_down_retry_count > 3) 3697 ha->login_retry_count = ha->port_down_retry_count; 3698 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 3699 ha->login_retry_count = ha->port_down_retry_count; 3700 if (ql2xloginretrycount) 3701 ha->login_retry_count = ql2xloginretrycount; 3702 3703 /* Enable ZIO. */ 3704 if (!ha->flags.init_done) { 3705 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 3706 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 3707 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 3708 le16_to_cpu(icb->interrupt_delay_timer): 2; 3709 } 3710 icb->firmware_options_2 &= __constant_cpu_to_le32( 3711 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 3712 ha->flags.process_response_queue = 0; 3713 if (ha->zio_mode != QLA_ZIO_DISABLED) { 3714 ha->zio_mode = QLA_ZIO_MODE_6; 3715 3716 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay " 3717 "(%d us).\n", ha->host_no, ha->zio_mode, 3718 ha->zio_timer * 100)); 3719 qla_printk(KERN_INFO, ha, 3720 "ZIO mode %d enabled; timer delay (%d us).\n", 3721 ha->zio_mode, ha->zio_timer * 100); 3722 3723 icb->firmware_options_2 |= cpu_to_le32( 3724 (uint32_t)ha->zio_mode); 3725 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 3726 ha->flags.process_response_queue = 1; 3727 } 3728 3729 if (rval) { 3730 DEBUG2_3(printk(KERN_WARNING 3731 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 3732 } 3733 return (rval); 3734 } 3735 3736 static int 3737 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3738 { 3739 int rval; 3740 int segments, fragment; 3741 uint32_t faddr; 3742 uint32_t *dcode, dlen; 3743 uint32_t risc_addr; 3744 uint32_t risc_size; 3745 uint32_t i; 3746 3747 rval = QLA_SUCCESS; 3748 3749 segments = FA_RISC_CODE_SEGMENTS; 3750 faddr = FA_RISC_CODE_ADDR; 3751 dcode = (uint32_t *)ha->request_ring; 3752 *srisc_addr = 0; 3753 3754 /* Validate firmware image by checking version. */ 3755 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); 3756 for (i = 0; i < 4; i++) 3757 dcode[i] = be32_to_cpu(dcode[i]); 3758 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3759 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3760 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3761 dcode[3] == 0)) { 3762 qla_printk(KERN_WARNING, ha, 3763 "Unable to verify integrity of flash firmware image!\n"); 3764 qla_printk(KERN_WARNING, ha, 3765 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3766 dcode[1], dcode[2], dcode[3]); 3767 3768 return QLA_FUNCTION_FAILED; 3769 } 3770 3771 while (segments && rval == QLA_SUCCESS) { 3772 /* Read segment's load information. */ 3773 qla24xx_read_flash_data(ha, dcode, faddr, 4); 3774 3775 risc_addr = be32_to_cpu(dcode[2]); 3776 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3777 risc_size = be32_to_cpu(dcode[3]); 3778 3779 fragment = 0; 3780 while (risc_size > 0 && rval == QLA_SUCCESS) { 3781 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3782 if (dlen > risc_size) 3783 dlen = risc_size; 3784 3785 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3786 "addr %x, number of dwords 0x%x, offset 0x%x.\n", 3787 ha->host_no, risc_addr, dlen, faddr)); 3788 3789 qla24xx_read_flash_data(ha, dcode, faddr, dlen); 3790 for (i = 0; i < dlen; i++) 3791 dcode[i] = swab32(dcode[i]); 3792 3793 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3794 dlen); 3795 if (rval) { 3796 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3797 "segment %d of firmware\n", ha->host_no, 3798 fragment)); 3799 qla_printk(KERN_WARNING, ha, 3800 "[ERROR] Failed to load segment %d of " 3801 "firmware\n", fragment); 3802 break; 3803 } 3804 3805 faddr += dlen; 3806 risc_addr += dlen; 3807 risc_size -= dlen; 3808 fragment++; 3809 } 3810 3811 /* Next segment. */ 3812 segments--; 3813 } 3814 3815 return rval; 3816 } 3817 3818 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/" 3819 3820 int 3821 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3822 { 3823 int rval; 3824 int i, fragment; 3825 uint16_t *wcode, *fwcode; 3826 uint32_t risc_addr, risc_size, fwclen, wlen, *seg; 3827 struct fw_blob *blob; 3828 3829 /* Load firmware blob. */ 3830 blob = qla2x00_request_firmware(ha); 3831 if (!blob) { 3832 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3833 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3834 "from: " QLA_FW_URL ".\n"); 3835 return QLA_FUNCTION_FAILED; 3836 } 3837 3838 rval = QLA_SUCCESS; 3839 3840 wcode = (uint16_t *)ha->request_ring; 3841 *srisc_addr = 0; 3842 fwcode = (uint16_t *)blob->fw->data; 3843 fwclen = 0; 3844 3845 /* Validate firmware image by checking version. */ 3846 if (blob->fw->size < 8 * sizeof(uint16_t)) { 3847 qla_printk(KERN_WARNING, ha, 3848 "Unable to verify integrity of firmware image (%Zd)!\n", 3849 blob->fw->size); 3850 goto fail_fw_integrity; 3851 } 3852 for (i = 0; i < 4; i++) 3853 wcode[i] = be16_to_cpu(fwcode[i + 4]); 3854 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && 3855 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && 3856 wcode[2] == 0 && wcode[3] == 0)) { 3857 qla_printk(KERN_WARNING, ha, 3858 "Unable to verify integrity of firmware image!\n"); 3859 qla_printk(KERN_WARNING, ha, 3860 "Firmware data: %04x %04x %04x %04x!\n", wcode[0], 3861 wcode[1], wcode[2], wcode[3]); 3862 goto fail_fw_integrity; 3863 } 3864 3865 seg = blob->segs; 3866 while (*seg && rval == QLA_SUCCESS) { 3867 risc_addr = *seg; 3868 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; 3869 risc_size = be16_to_cpu(fwcode[3]); 3870 3871 /* Validate firmware image size. */ 3872 fwclen += risc_size * sizeof(uint16_t); 3873 if (blob->fw->size < fwclen) { 3874 qla_printk(KERN_WARNING, ha, 3875 "Unable to verify integrity of firmware image " 3876 "(%Zd)!\n", blob->fw->size); 3877 goto fail_fw_integrity; 3878 } 3879 3880 fragment = 0; 3881 while (risc_size > 0 && rval == QLA_SUCCESS) { 3882 wlen = (uint16_t)(ha->fw_transfer_size >> 1); 3883 if (wlen > risc_size) 3884 wlen = risc_size; 3885 3886 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3887 "addr %x, number of words 0x%x.\n", ha->host_no, 3888 risc_addr, wlen)); 3889 3890 for (i = 0; i < wlen; i++) 3891 wcode[i] = swab16(fwcode[i]); 3892 3893 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3894 wlen); 3895 if (rval) { 3896 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3897 "segment %d of firmware\n", ha->host_no, 3898 fragment)); 3899 qla_printk(KERN_WARNING, ha, 3900 "[ERROR] Failed to load segment %d of " 3901 "firmware\n", fragment); 3902 break; 3903 } 3904 3905 fwcode += wlen; 3906 risc_addr += wlen; 3907 risc_size -= wlen; 3908 fragment++; 3909 } 3910 3911 /* Next segment. */ 3912 seg++; 3913 } 3914 return rval; 3915 3916 fail_fw_integrity: 3917 return QLA_FUNCTION_FAILED; 3918 } 3919 3920 int 3921 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3922 { 3923 int rval; 3924 int segments, fragment; 3925 uint32_t *dcode, dlen; 3926 uint32_t risc_addr; 3927 uint32_t risc_size; 3928 uint32_t i; 3929 struct fw_blob *blob; 3930 uint32_t *fwcode, fwclen; 3931 3932 /* Load firmware blob. */ 3933 blob = qla2x00_request_firmware(ha); 3934 if (!blob) { 3935 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3936 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3937 "from: " QLA_FW_URL ".\n"); 3938 3939 /* Try to load RISC code from flash. */ 3940 qla_printk(KERN_ERR, ha, "Attempting to load (potentially " 3941 "outdated) firmware from flash.\n"); 3942 return qla24xx_load_risc_flash(ha, srisc_addr); 3943 } 3944 3945 rval = QLA_SUCCESS; 3946 3947 segments = FA_RISC_CODE_SEGMENTS; 3948 dcode = (uint32_t *)ha->request_ring; 3949 *srisc_addr = 0; 3950 fwcode = (uint32_t *)blob->fw->data; 3951 fwclen = 0; 3952 3953 /* Validate firmware image by checking version. */ 3954 if (blob->fw->size < 8 * sizeof(uint32_t)) { 3955 qla_printk(KERN_WARNING, ha, 3956 "Unable to verify integrity of firmware image (%Zd)!\n", 3957 blob->fw->size); 3958 goto fail_fw_integrity; 3959 } 3960 for (i = 0; i < 4; i++) 3961 dcode[i] = be32_to_cpu(fwcode[i + 4]); 3962 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3963 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3964 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3965 dcode[3] == 0)) { 3966 qla_printk(KERN_WARNING, ha, 3967 "Unable to verify integrity of firmware image!\n"); 3968 qla_printk(KERN_WARNING, ha, 3969 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3970 dcode[1], dcode[2], dcode[3]); 3971 goto fail_fw_integrity; 3972 } 3973 3974 while (segments && rval == QLA_SUCCESS) { 3975 risc_addr = be32_to_cpu(fwcode[2]); 3976 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3977 risc_size = be32_to_cpu(fwcode[3]); 3978 3979 /* Validate firmware image size. */ 3980 fwclen += risc_size * sizeof(uint32_t); 3981 if (blob->fw->size < fwclen) { 3982 qla_printk(KERN_WARNING, ha, 3983 "Unable to verify integrity of firmware image " 3984 "(%Zd)!\n", blob->fw->size); 3985 3986 goto fail_fw_integrity; 3987 } 3988 3989 fragment = 0; 3990 while (risc_size > 0 && rval == QLA_SUCCESS) { 3991 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3992 if (dlen > risc_size) 3993 dlen = risc_size; 3994 3995 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3996 "addr %x, number of dwords 0x%x.\n", ha->host_no, 3997 risc_addr, dlen)); 3998 3999 for (i = 0; i < dlen; i++) 4000 dcode[i] = swab32(fwcode[i]); 4001 4002 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 4003 dlen); 4004 if (rval) { 4005 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 4006 "segment %d of firmware\n", ha->host_no, 4007 fragment)); 4008 qla_printk(KERN_WARNING, ha, 4009 "[ERROR] Failed to load segment %d of " 4010 "firmware\n", fragment); 4011 break; 4012 } 4013 4014 fwcode += dlen; 4015 risc_addr += dlen; 4016 risc_size -= dlen; 4017 fragment++; 4018 } 4019 4020 /* Next segment. */ 4021 segments--; 4022 } 4023 return rval; 4024 4025 fail_fw_integrity: 4026 return QLA_FUNCTION_FAILED; 4027 } 4028 4029 void 4030 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha) 4031 { 4032 int ret, retries; 4033 4034 if (!IS_FWI2_CAPABLE(ha)) 4035 return; 4036 if (!ha->fw_major_version) 4037 return; 4038 4039 ret = qla2x00_stop_firmware(ha); 4040 for (retries = 5; ret != QLA_SUCCESS && retries ; retries--) { 4041 qla2x00_reset_chip(ha); 4042 if (qla2x00_chip_diag(ha) != QLA_SUCCESS) 4043 continue; 4044 if (qla2x00_setup_chip(ha) != QLA_SUCCESS) 4045 continue; 4046 qla_printk(KERN_INFO, ha, 4047 "Attempting retry of stop-firmware command...\n"); 4048 ret = qla2x00_stop_firmware(ha); 4049 } 4050 } 4051 4052 int 4053 qla24xx_configure_vhba(scsi_qla_host_t *ha) 4054 { 4055 int rval = QLA_SUCCESS; 4056 uint16_t mb[MAILBOX_REGISTER_COUNT]; 4057 4058 if (!ha->parent) 4059 return -EINVAL; 4060 4061 rval = qla2x00_fw_ready(ha); 4062 if (rval == QLA_SUCCESS) { 4063 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 4064 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 4065 } 4066 4067 ha->flags.management_server_logged_in = 0; 4068 4069 /* Login to SNS first */ 4070 qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc, 4071 mb, BIT_1); 4072 if (mb[0] != MBS_COMMAND_COMPLETE) { 4073 DEBUG15(qla_printk(KERN_INFO, ha, 4074 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 4075 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS, 4076 mb[0], mb[1], mb[2], mb[6], mb[7])); 4077 return (QLA_FUNCTION_FAILED); 4078 } 4079 4080 atomic_set(&ha->loop_down_timer, 0); 4081 atomic_set(&ha->loop_state, LOOP_UP); 4082 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 4083 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 4084 rval = qla2x00_loop_resync(ha); 4085 4086 return rval; 4087 } 4088