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, fce_size; 736 dma_addr_t tc_dma; 737 void *tc; 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 = fce_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 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma, 762 GFP_KERNEL); 763 if (!tc) { 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 memset(tc, 0, EFT_SIZE); 770 rval = qla2x00_enable_eft_trace(ha, tc_dma, 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, tc, 775 tc_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 ha->eft_dma = tc_dma; 784 ha->eft = tc; 785 786 /* Allocate memory for Fibre Channel Event Buffer. */ 787 if (!IS_QLA25XX(ha)) 788 goto cont_alloc; 789 790 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma, 791 GFP_KERNEL); 792 if (!tc) { 793 qla_printk(KERN_WARNING, ha, "Unable to allocate " 794 "(%d KB) for FCE.\n", FCE_SIZE / 1024); 795 goto cont_alloc; 796 } 797 798 memset(tc, 0, FCE_SIZE); 799 rval = qla2x00_enable_fce_trace(ha, tc_dma, FCE_NUM_BUFFERS, 800 ha->fce_mb, &ha->fce_bufs); 801 if (rval) { 802 qla_printk(KERN_WARNING, ha, "Unable to initialize " 803 "FCE (%d).\n", rval); 804 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, 805 tc_dma); 806 ha->flags.fce_enabled = 0; 807 goto cont_alloc; 808 } 809 810 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n", 811 FCE_SIZE / 1024); 812 813 fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE; 814 ha->flags.fce_enabled = 1; 815 ha->fce_dma = tc_dma; 816 ha->fce = tc; 817 } 818 cont_alloc: 819 req_q_size = ha->request_q_length * sizeof(request_t); 820 rsp_q_size = ha->response_q_length * sizeof(response_t); 821 822 dump_size = offsetof(struct qla2xxx_fw_dump, isp); 823 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + 824 eft_size + fce_size; 825 826 ha->fw_dump = vmalloc(dump_size); 827 if (!ha->fw_dump) { 828 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for " 829 "firmware dump!!!\n", dump_size / 1024); 830 831 if (ha->eft) { 832 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft, 833 ha->eft_dma); 834 ha->eft = NULL; 835 ha->eft_dma = 0; 836 } 837 return; 838 } 839 840 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n", 841 dump_size / 1024); 842 843 ha->fw_dump_len = dump_size; 844 ha->fw_dump->signature[0] = 'Q'; 845 ha->fw_dump->signature[1] = 'L'; 846 ha->fw_dump->signature[2] = 'G'; 847 ha->fw_dump->signature[3] = 'C'; 848 ha->fw_dump->version = __constant_htonl(1); 849 850 ha->fw_dump->fixed_size = htonl(fixed_size); 851 ha->fw_dump->mem_size = htonl(mem_size); 852 ha->fw_dump->req_q_size = htonl(req_q_size); 853 ha->fw_dump->rsp_q_size = htonl(rsp_q_size); 854 855 ha->fw_dump->eft_size = htonl(eft_size); 856 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma)); 857 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma)); 858 859 ha->fw_dump->header_size = 860 htonl(offsetof(struct qla2xxx_fw_dump, isp)); 861 } 862 863 /** 864 * qla2x00_resize_request_q() - Resize request queue given available ISP memory. 865 * @ha: HA context 866 * 867 * Returns 0 on success. 868 */ 869 static void 870 qla2x00_resize_request_q(scsi_qla_host_t *ha) 871 { 872 int rval; 873 uint16_t fw_iocb_cnt = 0; 874 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; 875 dma_addr_t request_dma; 876 request_t *request_ring; 877 878 /* Valid only on recent ISPs. */ 879 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 880 return; 881 882 /* Retrieve IOCB counts available to the firmware. */ 883 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt, 884 &ha->max_npiv_vports); 885 if (rval) 886 return; 887 /* No point in continuing if current settings are sufficient. */ 888 if (fw_iocb_cnt < 1024) 889 return; 890 if (ha->request_q_length >= request_q_length) 891 return; 892 893 /* Attempt to claim larger area for request queue. */ 894 request_ring = dma_alloc_coherent(&ha->pdev->dev, 895 (request_q_length + 1) * sizeof(request_t), &request_dma, 896 GFP_KERNEL); 897 if (request_ring == NULL) 898 return; 899 900 /* Resize successful, report extensions. */ 901 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", 902 (ha->fw_memory_size + 1) / 1024); 903 qla_printk(KERN_INFO, ha, "Resizing request queue depth " 904 "(%d -> %d)...\n", ha->request_q_length, request_q_length); 905 906 /* Clear old allocations. */ 907 dma_free_coherent(&ha->pdev->dev, 908 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, 909 ha->request_dma); 910 911 /* Begin using larger queue. */ 912 ha->request_q_length = request_q_length; 913 ha->request_ring = request_ring; 914 ha->request_dma = request_dma; 915 } 916 917 /** 918 * qla2x00_setup_chip() - Load and start RISC firmware. 919 * @ha: HA context 920 * 921 * Returns 0 on success. 922 */ 923 static int 924 qla2x00_setup_chip(scsi_qla_host_t *ha) 925 { 926 int rval; 927 uint32_t srisc_address = 0; 928 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 929 unsigned long flags; 930 931 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { 932 /* Disable SRAM, Instruction RAM and GP RAM parity. */ 933 spin_lock_irqsave(&ha->hardware_lock, flags); 934 WRT_REG_WORD(®->hccr, (HCCR_ENABLE_PARITY + 0x0)); 935 RD_REG_WORD(®->hccr); 936 spin_unlock_irqrestore(&ha->hardware_lock, flags); 937 } 938 939 /* Load firmware sequences */ 940 rval = ha->isp_ops->load_risc(ha, &srisc_address); 941 if (rval == QLA_SUCCESS) { 942 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " 943 "code.\n", ha->host_no)); 944 945 rval = qla2x00_verify_checksum(ha, srisc_address); 946 if (rval == QLA_SUCCESS) { 947 /* Start firmware execution. */ 948 DEBUG(printk("scsi(%ld): Checksum OK, start " 949 "firmware.\n", ha->host_no)); 950 951 rval = qla2x00_execute_fw(ha, srisc_address); 952 /* Retrieve firmware information. */ 953 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { 954 qla2x00_get_fw_version(ha, 955 &ha->fw_major_version, 956 &ha->fw_minor_version, 957 &ha->fw_subminor_version, 958 &ha->fw_attributes, &ha->fw_memory_size); 959 qla2x00_resize_request_q(ha); 960 ha->flags.npiv_supported = 0; 961 if ((IS_QLA24XX(ha) || IS_QLA25XX(ha)) && 962 (ha->fw_attributes & BIT_2)) { 963 ha->flags.npiv_supported = 1; 964 if ((!ha->max_npiv_vports) || 965 ((ha->max_npiv_vports + 1) % 966 MIN_MULTI_ID_FABRIC)) 967 ha->max_npiv_vports = 968 MIN_MULTI_ID_FABRIC - 1; 969 } 970 971 if (ql2xallocfwdump) 972 qla2x00_alloc_fw_dump(ha); 973 } 974 } else { 975 DEBUG2(printk(KERN_INFO 976 "scsi(%ld): ISP Firmware failed checksum.\n", 977 ha->host_no)); 978 } 979 } 980 981 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { 982 /* Enable proper parity. */ 983 spin_lock_irqsave(&ha->hardware_lock, flags); 984 if (IS_QLA2300(ha)) 985 /* SRAM parity */ 986 WRT_REG_WORD(®->hccr, HCCR_ENABLE_PARITY + 0x1); 987 else 988 /* SRAM, Instruction RAM and GP RAM parity */ 989 WRT_REG_WORD(®->hccr, HCCR_ENABLE_PARITY + 0x7); 990 RD_REG_WORD(®->hccr); 991 spin_unlock_irqrestore(&ha->hardware_lock, flags); 992 } 993 994 if (rval) { 995 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", 996 ha->host_no)); 997 } 998 999 return (rval); 1000 } 1001 1002 /** 1003 * qla2x00_init_response_q_entries() - Initializes response queue entries. 1004 * @ha: HA context 1005 * 1006 * Beginning of request ring has initialization control block already built 1007 * by nvram config routine. 1008 * 1009 * Returns 0 on success. 1010 */ 1011 static void 1012 qla2x00_init_response_q_entries(scsi_qla_host_t *ha) 1013 { 1014 uint16_t cnt; 1015 response_t *pkt; 1016 1017 pkt = ha->response_ring_ptr; 1018 for (cnt = 0; cnt < ha->response_q_length; cnt++) { 1019 pkt->signature = RESPONSE_PROCESSED; 1020 pkt++; 1021 } 1022 1023 } 1024 1025 /** 1026 * qla2x00_update_fw_options() - Read and process firmware options. 1027 * @ha: HA context 1028 * 1029 * Returns 0 on success. 1030 */ 1031 void 1032 qla2x00_update_fw_options(scsi_qla_host_t *ha) 1033 { 1034 uint16_t swing, emphasis, tx_sens, rx_sens; 1035 1036 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 1037 qla2x00_get_fw_options(ha, ha->fw_options); 1038 1039 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1040 return; 1041 1042 /* Serial Link options. */ 1043 DEBUG3(printk("scsi(%ld): Serial link options:\n", 1044 ha->host_no)); 1045 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, 1046 sizeof(ha->fw_seriallink_options))); 1047 1048 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 1049 if (ha->fw_seriallink_options[3] & BIT_2) { 1050 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 1051 1052 /* 1G settings */ 1053 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 1054 emphasis = (ha->fw_seriallink_options[2] & 1055 (BIT_4 | BIT_3)) >> 3; 1056 tx_sens = ha->fw_seriallink_options[0] & 1057 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1058 rx_sens = (ha->fw_seriallink_options[0] & 1059 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 1060 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 1061 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 1062 if (rx_sens == 0x0) 1063 rx_sens = 0x3; 1064 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 1065 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1066 ha->fw_options[10] |= BIT_5 | 1067 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1068 (tx_sens & (BIT_1 | BIT_0)); 1069 1070 /* 2G settings */ 1071 swing = (ha->fw_seriallink_options[2] & 1072 (BIT_7 | BIT_6 | BIT_5)) >> 5; 1073 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 1074 tx_sens = ha->fw_seriallink_options[1] & 1075 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1076 rx_sens = (ha->fw_seriallink_options[1] & 1077 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 1078 ha->fw_options[11] = (emphasis << 14) | (swing << 8); 1079 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 1080 if (rx_sens == 0x0) 1081 rx_sens = 0x3; 1082 ha->fw_options[11] |= (tx_sens << 4) | rx_sens; 1083 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1084 ha->fw_options[11] |= BIT_5 | 1085 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1086 (tx_sens & (BIT_1 | BIT_0)); 1087 } 1088 1089 /* FCP2 options. */ 1090 /* Return command IOCBs without waiting for an ABTS to complete. */ 1091 ha->fw_options[3] |= BIT_13; 1092 1093 /* LED scheme. */ 1094 if (ha->flags.enable_led_scheme) 1095 ha->fw_options[2] |= BIT_12; 1096 1097 /* Detect ISP6312. */ 1098 if (IS_QLA6312(ha)) 1099 ha->fw_options[2] |= BIT_13; 1100 1101 /* Update firmware options. */ 1102 qla2x00_set_fw_options(ha, ha->fw_options); 1103 } 1104 1105 void 1106 qla24xx_update_fw_options(scsi_qla_host_t *ha) 1107 { 1108 int rval; 1109 1110 /* Update Serial Link options. */ 1111 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0) 1112 return; 1113 1114 rval = qla2x00_set_serdes_params(ha, 1115 le16_to_cpu(ha->fw_seriallink_options24[1]), 1116 le16_to_cpu(ha->fw_seriallink_options24[2]), 1117 le16_to_cpu(ha->fw_seriallink_options24[3])); 1118 if (rval != QLA_SUCCESS) { 1119 qla_printk(KERN_WARNING, ha, 1120 "Unable to update Serial Link options (%x).\n", rval); 1121 } 1122 } 1123 1124 void 1125 qla2x00_config_rings(struct scsi_qla_host *ha) 1126 { 1127 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1128 1129 /* Setup ring parameters in initialization control block. */ 1130 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); 1131 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); 1132 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); 1133 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); 1134 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1135 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1136 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1137 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1138 1139 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); 1140 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); 1141 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); 1142 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); 1143 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 1144 } 1145 1146 void 1147 qla24xx_config_rings(struct scsi_qla_host *ha) 1148 { 1149 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1150 struct init_cb_24xx *icb; 1151 1152 /* Setup ring parameters in initialization control block. */ 1153 icb = (struct init_cb_24xx *)ha->init_cb; 1154 icb->request_q_outpointer = __constant_cpu_to_le16(0); 1155 icb->response_q_inpointer = __constant_cpu_to_le16(0); 1156 icb->request_q_length = cpu_to_le16(ha->request_q_length); 1157 icb->response_q_length = cpu_to_le16(ha->response_q_length); 1158 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1159 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1160 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1161 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1162 1163 WRT_REG_DWORD(®->req_q_in, 0); 1164 WRT_REG_DWORD(®->req_q_out, 0); 1165 WRT_REG_DWORD(®->rsp_q_in, 0); 1166 WRT_REG_DWORD(®->rsp_q_out, 0); 1167 RD_REG_DWORD(®->rsp_q_out); 1168 } 1169 1170 /** 1171 * qla2x00_init_rings() - Initializes firmware. 1172 * @ha: HA context 1173 * 1174 * Beginning of request ring has initialization control block already built 1175 * by nvram config routine. 1176 * 1177 * Returns 0 on success. 1178 */ 1179 static int 1180 qla2x00_init_rings(scsi_qla_host_t *ha) 1181 { 1182 int rval; 1183 unsigned long flags = 0; 1184 int cnt; 1185 struct mid_init_cb_24xx *mid_init_cb = 1186 (struct mid_init_cb_24xx *) ha->init_cb; 1187 1188 spin_lock_irqsave(&ha->hardware_lock, flags); 1189 1190 /* Clear outstanding commands array. */ 1191 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) 1192 ha->outstanding_cmds[cnt] = NULL; 1193 1194 ha->current_outstanding_cmd = 0; 1195 1196 /* Clear RSCN queue. */ 1197 ha->rscn_in_ptr = 0; 1198 ha->rscn_out_ptr = 0; 1199 1200 /* Initialize firmware. */ 1201 ha->request_ring_ptr = ha->request_ring; 1202 ha->req_ring_index = 0; 1203 ha->req_q_cnt = ha->request_q_length; 1204 ha->response_ring_ptr = ha->response_ring; 1205 ha->rsp_ring_index = 0; 1206 1207 /* Initialize response queue entries */ 1208 qla2x00_init_response_q_entries(ha); 1209 1210 ha->isp_ops->config_rings(ha); 1211 1212 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1213 1214 /* Update any ISP specific firmware options before initialization. */ 1215 ha->isp_ops->update_fw_options(ha); 1216 1217 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); 1218 1219 if (ha->flags.npiv_supported) 1220 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports); 1221 1222 mid_init_cb->options = __constant_cpu_to_le16(BIT_1); 1223 1224 rval = qla2x00_init_firmware(ha, ha->init_cb_size); 1225 if (rval) { 1226 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", 1227 ha->host_no)); 1228 } else { 1229 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", 1230 ha->host_no)); 1231 } 1232 1233 return (rval); 1234 } 1235 1236 /** 1237 * qla2x00_fw_ready() - Waits for firmware ready. 1238 * @ha: HA context 1239 * 1240 * Returns 0 on success. 1241 */ 1242 static int 1243 qla2x00_fw_ready(scsi_qla_host_t *ha) 1244 { 1245 int rval; 1246 unsigned long wtime, mtime; 1247 uint16_t min_wait; /* Minimum wait time if loop is down */ 1248 uint16_t wait_time; /* Wait time if loop is coming ready */ 1249 uint16_t fw_state; 1250 1251 rval = QLA_SUCCESS; 1252 1253 /* 20 seconds for loop down. */ 1254 min_wait = 20; 1255 1256 /* 1257 * Firmware should take at most one RATOV to login, plus 5 seconds for 1258 * our own processing. 1259 */ 1260 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 1261 wait_time = min_wait; 1262 } 1263 1264 /* Min wait time if loop down */ 1265 mtime = jiffies + (min_wait * HZ); 1266 1267 /* wait time before firmware ready */ 1268 wtime = jiffies + (wait_time * HZ); 1269 1270 /* Wait for ISP to finish LIP */ 1271 if (!ha->flags.init_done) 1272 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); 1273 1274 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", 1275 ha->host_no)); 1276 1277 do { 1278 rval = qla2x00_get_firmware_state(ha, &fw_state); 1279 if (rval == QLA_SUCCESS) { 1280 if (fw_state < FSTATE_LOSS_OF_SYNC) { 1281 ha->device_flags &= ~DFLG_NO_CABLE; 1282 } 1283 if (fw_state == FSTATE_READY) { 1284 DEBUG(printk("scsi(%ld): F/W Ready - OK \n", 1285 ha->host_no)); 1286 1287 qla2x00_get_retry_cnt(ha, &ha->retry_count, 1288 &ha->login_timeout, &ha->r_a_tov); 1289 1290 rval = QLA_SUCCESS; 1291 break; 1292 } 1293 1294 rval = QLA_FUNCTION_FAILED; 1295 1296 if (atomic_read(&ha->loop_down_timer) && 1297 fw_state != FSTATE_READY) { 1298 /* Loop down. Timeout on min_wait for states 1299 * other than Wait for Login. 1300 */ 1301 if (time_after_eq(jiffies, mtime)) { 1302 qla_printk(KERN_INFO, ha, 1303 "Cable is unplugged...\n"); 1304 1305 ha->device_flags |= DFLG_NO_CABLE; 1306 break; 1307 } 1308 } 1309 } else { 1310 /* Mailbox cmd failed. Timeout on min_wait. */ 1311 if (time_after_eq(jiffies, mtime)) 1312 break; 1313 } 1314 1315 if (time_after_eq(jiffies, wtime)) 1316 break; 1317 1318 /* Delay for a while */ 1319 msleep(500); 1320 1321 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1322 ha->host_no, fw_state, jiffies)); 1323 } while (1); 1324 1325 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1326 ha->host_no, fw_state, jiffies)); 1327 1328 if (rval) { 1329 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", 1330 ha->host_no)); 1331 } 1332 1333 return (rval); 1334 } 1335 1336 /* 1337 * qla2x00_configure_hba 1338 * Setup adapter context. 1339 * 1340 * Input: 1341 * ha = adapter state pointer. 1342 * 1343 * Returns: 1344 * 0 = success 1345 * 1346 * Context: 1347 * Kernel context. 1348 */ 1349 static int 1350 qla2x00_configure_hba(scsi_qla_host_t *ha) 1351 { 1352 int rval; 1353 uint16_t loop_id; 1354 uint16_t topo; 1355 uint16_t sw_cap; 1356 uint8_t al_pa; 1357 uint8_t area; 1358 uint8_t domain; 1359 char connect_type[22]; 1360 1361 /* Get host addresses. */ 1362 rval = qla2x00_get_adapter_id(ha, 1363 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap); 1364 if (rval != QLA_SUCCESS) { 1365 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) || 1366 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { 1367 DEBUG2(printk("%s(%ld) Loop is in a transition state\n", 1368 __func__, ha->host_no)); 1369 } else { 1370 qla_printk(KERN_WARNING, ha, 1371 "ERROR -- Unable to get host loop ID.\n"); 1372 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 1373 } 1374 return (rval); 1375 } 1376 1377 if (topo == 4) { 1378 qla_printk(KERN_INFO, ha, 1379 "Cannot get topology - retrying.\n"); 1380 return (QLA_FUNCTION_FAILED); 1381 } 1382 1383 ha->loop_id = loop_id; 1384 1385 /* initialize */ 1386 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 1387 ha->operating_mode = LOOP; 1388 ha->switch_cap = 0; 1389 1390 switch (topo) { 1391 case 0: 1392 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", 1393 ha->host_no)); 1394 ha->current_topology = ISP_CFG_NL; 1395 strcpy(connect_type, "(Loop)"); 1396 break; 1397 1398 case 1: 1399 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", 1400 ha->host_no)); 1401 ha->switch_cap = sw_cap; 1402 ha->current_topology = ISP_CFG_FL; 1403 strcpy(connect_type, "(FL_Port)"); 1404 break; 1405 1406 case 2: 1407 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", 1408 ha->host_no)); 1409 ha->operating_mode = P2P; 1410 ha->current_topology = ISP_CFG_N; 1411 strcpy(connect_type, "(N_Port-to-N_Port)"); 1412 break; 1413 1414 case 3: 1415 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", 1416 ha->host_no)); 1417 ha->switch_cap = sw_cap; 1418 ha->operating_mode = P2P; 1419 ha->current_topology = ISP_CFG_F; 1420 strcpy(connect_type, "(F_Port)"); 1421 break; 1422 1423 default: 1424 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " 1425 "Using NL.\n", 1426 ha->host_no, topo)); 1427 ha->current_topology = ISP_CFG_NL; 1428 strcpy(connect_type, "(Loop)"); 1429 break; 1430 } 1431 1432 /* Save Host port and loop ID. */ 1433 /* byte order - Big Endian */ 1434 ha->d_id.b.domain = domain; 1435 ha->d_id.b.area = area; 1436 ha->d_id.b.al_pa = al_pa; 1437 1438 if (!ha->flags.init_done) 1439 qla_printk(KERN_INFO, ha, 1440 "Topology - %s, Host Loop address 0x%x\n", 1441 connect_type, ha->loop_id); 1442 1443 if (rval) { 1444 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); 1445 } else { 1446 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); 1447 } 1448 1449 return(rval); 1450 } 1451 1452 static inline void 1453 qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def) 1454 { 1455 char *st, *en; 1456 uint16_t index; 1457 1458 if (memcmp(model, BINZERO, len) != 0) { 1459 strncpy(ha->model_number, model, len); 1460 st = en = ha->model_number; 1461 en += len - 1; 1462 while (en > st) { 1463 if (*en != 0x20 && *en != 0x00) 1464 break; 1465 *en-- = '\0'; 1466 } 1467 1468 index = (ha->pdev->subsystem_device & 0xff); 1469 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 1470 index < QLA_MODEL_NAMES) 1471 ha->model_desc = qla2x00_model_name[index * 2 + 1]; 1472 } else { 1473 index = (ha->pdev->subsystem_device & 0xff); 1474 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 1475 index < QLA_MODEL_NAMES) { 1476 strcpy(ha->model_number, 1477 qla2x00_model_name[index * 2]); 1478 ha->model_desc = qla2x00_model_name[index * 2 + 1]; 1479 } else { 1480 strcpy(ha->model_number, def); 1481 } 1482 } 1483 } 1484 1485 /* On sparc systems, obtain port and node WWN from firmware 1486 * properties. 1487 */ 1488 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv) 1489 { 1490 #ifdef CONFIG_SPARC 1491 struct pci_dev *pdev = ha->pdev; 1492 struct device_node *dp = pci_device_to_OF_node(pdev); 1493 const u8 *val; 1494 int len; 1495 1496 val = of_get_property(dp, "port-wwn", &len); 1497 if (val && len >= WWN_SIZE) 1498 memcpy(nv->port_name, val, WWN_SIZE); 1499 1500 val = of_get_property(dp, "node-wwn", &len); 1501 if (val && len >= WWN_SIZE) 1502 memcpy(nv->node_name, val, WWN_SIZE); 1503 #endif 1504 } 1505 1506 /* 1507 * NVRAM configuration for ISP 2xxx 1508 * 1509 * Input: 1510 * ha = adapter block pointer. 1511 * 1512 * Output: 1513 * initialization control block in response_ring 1514 * host adapters parameters in host adapter block 1515 * 1516 * Returns: 1517 * 0 = success. 1518 */ 1519 int 1520 qla2x00_nvram_config(scsi_qla_host_t *ha) 1521 { 1522 int rval; 1523 uint8_t chksum = 0; 1524 uint16_t cnt; 1525 uint8_t *dptr1, *dptr2; 1526 init_cb_t *icb = ha->init_cb; 1527 nvram_t *nv = ha->nvram; 1528 uint8_t *ptr = ha->nvram; 1529 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1530 1531 rval = QLA_SUCCESS; 1532 1533 /* Determine NVRAM starting address. */ 1534 ha->nvram_size = sizeof(nvram_t); 1535 ha->nvram_base = 0; 1536 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 1537 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) 1538 ha->nvram_base = 0x80; 1539 1540 /* Get NVRAM data and calculate checksum. */ 1541 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size); 1542 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 1543 chksum += *ptr++; 1544 1545 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 1546 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); 1547 1548 /* Bad NVRAM data, set defaults parameters. */ 1549 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || 1550 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { 1551 /* Reset NVRAM data. */ 1552 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 1553 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 1554 nv->nvram_version); 1555 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 1556 "invalid -- WWPN) defaults.\n"); 1557 1558 /* 1559 * Set default initialization control block. 1560 */ 1561 memset(nv, 0, ha->nvram_size); 1562 nv->parameter_block_version = ICB_VERSION; 1563 1564 if (IS_QLA23XX(ha)) { 1565 nv->firmware_options[0] = BIT_2 | BIT_1; 1566 nv->firmware_options[1] = BIT_7 | BIT_5; 1567 nv->add_firmware_options[0] = BIT_5; 1568 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1569 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1570 nv->special_options[1] = BIT_7; 1571 } else if (IS_QLA2200(ha)) { 1572 nv->firmware_options[0] = BIT_2 | BIT_1; 1573 nv->firmware_options[1] = BIT_7 | BIT_5; 1574 nv->add_firmware_options[0] = BIT_5; 1575 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1576 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1577 } else if (IS_QLA2100(ha)) { 1578 nv->firmware_options[0] = BIT_3 | BIT_1; 1579 nv->firmware_options[1] = BIT_5; 1580 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1581 } 1582 1583 nv->max_iocb_allocation = __constant_cpu_to_le16(256); 1584 nv->execution_throttle = __constant_cpu_to_le16(16); 1585 nv->retry_count = 8; 1586 nv->retry_delay = 1; 1587 1588 nv->port_name[0] = 33; 1589 nv->port_name[3] = 224; 1590 nv->port_name[4] = 139; 1591 1592 qla2xxx_nvram_wwn_from_ofw(ha, nv); 1593 1594 nv->login_timeout = 4; 1595 1596 /* 1597 * Set default host adapter parameters 1598 */ 1599 nv->host_p[1] = BIT_2; 1600 nv->reset_delay = 5; 1601 nv->port_down_retry_count = 8; 1602 nv->max_luns_per_target = __constant_cpu_to_le16(8); 1603 nv->link_down_timeout = 60; 1604 1605 rval = 1; 1606 } 1607 1608 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) 1609 /* 1610 * The SN2 does not provide BIOS emulation which means you can't change 1611 * potentially bogus BIOS settings. Force the use of default settings 1612 * for link rate and frame size. Hope that the rest of the settings 1613 * are valid. 1614 */ 1615 if (ia64_platform_is("sn2")) { 1616 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1617 if (IS_QLA23XX(ha)) 1618 nv->special_options[1] = BIT_7; 1619 } 1620 #endif 1621 1622 /* Reset Initialization control block */ 1623 memset(icb, 0, ha->init_cb_size); 1624 1625 /* 1626 * Setup driver NVRAM options. 1627 */ 1628 nv->firmware_options[0] |= (BIT_6 | BIT_1); 1629 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 1630 nv->firmware_options[1] |= (BIT_5 | BIT_0); 1631 nv->firmware_options[1] &= ~BIT_4; 1632 1633 if (IS_QLA23XX(ha)) { 1634 nv->firmware_options[0] |= BIT_2; 1635 nv->firmware_options[0] &= ~BIT_3; 1636 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 1637 1638 if (IS_QLA2300(ha)) { 1639 if (ha->fb_rev == FPM_2310) { 1640 strcpy(ha->model_number, "QLA2310"); 1641 } else { 1642 strcpy(ha->model_number, "QLA2300"); 1643 } 1644 } else { 1645 qla2x00_set_model_info(ha, nv->model_number, 1646 sizeof(nv->model_number), "QLA23xx"); 1647 } 1648 } else if (IS_QLA2200(ha)) { 1649 nv->firmware_options[0] |= BIT_2; 1650 /* 1651 * 'Point-to-point preferred, else loop' is not a safe 1652 * connection mode setting. 1653 */ 1654 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 1655 (BIT_5 | BIT_4)) { 1656 /* Force 'loop preferred, else point-to-point'. */ 1657 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 1658 nv->add_firmware_options[0] |= BIT_5; 1659 } 1660 strcpy(ha->model_number, "QLA22xx"); 1661 } else /*if (IS_QLA2100(ha))*/ { 1662 strcpy(ha->model_number, "QLA2100"); 1663 } 1664 1665 /* 1666 * Copy over NVRAM RISC parameter block to initialization control block. 1667 */ 1668 dptr1 = (uint8_t *)icb; 1669 dptr2 = (uint8_t *)&nv->parameter_block_version; 1670 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 1671 while (cnt--) 1672 *dptr1++ = *dptr2++; 1673 1674 /* Copy 2nd half. */ 1675 dptr1 = (uint8_t *)icb->add_firmware_options; 1676 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 1677 while (cnt--) 1678 *dptr1++ = *dptr2++; 1679 1680 /* Use alternate WWN? */ 1681 if (nv->host_p[1] & BIT_7) { 1682 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 1683 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 1684 } 1685 1686 /* Prepare nodename */ 1687 if ((icb->firmware_options[1] & BIT_6) == 0) { 1688 /* 1689 * Firmware will apply the following mask if the nodename was 1690 * not provided. 1691 */ 1692 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 1693 icb->node_name[0] &= 0xF0; 1694 } 1695 1696 /* 1697 * Set host adapter parameters. 1698 */ 1699 if (nv->host_p[0] & BIT_7) 1700 ql2xextended_error_logging = 1; 1701 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 1702 /* Always load RISC code on non ISP2[12]00 chips. */ 1703 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 1704 ha->flags.disable_risc_code_load = 0; 1705 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 1706 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 1707 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 1708 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; 1709 ha->flags.disable_serdes = 0; 1710 1711 ha->operating_mode = 1712 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 1713 1714 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 1715 sizeof(ha->fw_seriallink_options)); 1716 1717 /* save HBA serial number */ 1718 ha->serial0 = icb->port_name[5]; 1719 ha->serial1 = icb->port_name[6]; 1720 ha->serial2 = icb->port_name[7]; 1721 ha->node_name = icb->node_name; 1722 ha->port_name = icb->port_name; 1723 1724 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 1725 1726 ha->retry_count = nv->retry_count; 1727 1728 /* Set minimum login_timeout to 4 seconds. */ 1729 if (nv->login_timeout < ql2xlogintimeout) 1730 nv->login_timeout = ql2xlogintimeout; 1731 if (nv->login_timeout < 4) 1732 nv->login_timeout = 4; 1733 ha->login_timeout = nv->login_timeout; 1734 icb->login_timeout = nv->login_timeout; 1735 1736 /* Set minimum RATOV to 100 tenths of a second. */ 1737 ha->r_a_tov = 100; 1738 1739 ha->loop_reset_delay = nv->reset_delay; 1740 1741 /* Link Down Timeout = 0: 1742 * 1743 * When Port Down timer expires we will start returning 1744 * I/O's to OS with "DID_NO_CONNECT". 1745 * 1746 * Link Down Timeout != 0: 1747 * 1748 * The driver waits for the link to come up after link down 1749 * before returning I/Os to OS with "DID_NO_CONNECT". 1750 */ 1751 if (nv->link_down_timeout == 0) { 1752 ha->loop_down_abort_time = 1753 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 1754 } else { 1755 ha->link_down_timeout = nv->link_down_timeout; 1756 ha->loop_down_abort_time = 1757 (LOOP_DOWN_TIME - ha->link_down_timeout); 1758 } 1759 1760 /* 1761 * Need enough time to try and get the port back. 1762 */ 1763 ha->port_down_retry_count = nv->port_down_retry_count; 1764 if (qlport_down_retry) 1765 ha->port_down_retry_count = qlport_down_retry; 1766 /* Set login_retry_count */ 1767 ha->login_retry_count = nv->retry_count; 1768 if (ha->port_down_retry_count == nv->port_down_retry_count && 1769 ha->port_down_retry_count > 3) 1770 ha->login_retry_count = ha->port_down_retry_count; 1771 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 1772 ha->login_retry_count = ha->port_down_retry_count; 1773 if (ql2xloginretrycount) 1774 ha->login_retry_count = ql2xloginretrycount; 1775 1776 icb->lun_enables = __constant_cpu_to_le16(0); 1777 icb->command_resource_count = 0; 1778 icb->immediate_notify_resource_count = 0; 1779 icb->timeout = __constant_cpu_to_le16(0); 1780 1781 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 1782 /* Enable RIO */ 1783 icb->firmware_options[0] &= ~BIT_3; 1784 icb->add_firmware_options[0] &= 1785 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1786 icb->add_firmware_options[0] |= BIT_2; 1787 icb->response_accumulation_timer = 3; 1788 icb->interrupt_delay_timer = 5; 1789 1790 ha->flags.process_response_queue = 1; 1791 } else { 1792 /* Enable ZIO. */ 1793 if (!ha->flags.init_done) { 1794 ha->zio_mode = icb->add_firmware_options[0] & 1795 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1796 ha->zio_timer = icb->interrupt_delay_timer ? 1797 icb->interrupt_delay_timer: 2; 1798 } 1799 icb->add_firmware_options[0] &= 1800 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1801 ha->flags.process_response_queue = 0; 1802 if (ha->zio_mode != QLA_ZIO_DISABLED) { 1803 ha->zio_mode = QLA_ZIO_MODE_6; 1804 1805 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer " 1806 "delay (%d us).\n", ha->host_no, ha->zio_mode, 1807 ha->zio_timer * 100)); 1808 qla_printk(KERN_INFO, ha, 1809 "ZIO mode %d enabled; timer delay (%d us).\n", 1810 ha->zio_mode, ha->zio_timer * 100); 1811 1812 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; 1813 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; 1814 ha->flags.process_response_queue = 1; 1815 } 1816 } 1817 1818 if (rval) { 1819 DEBUG2_3(printk(KERN_WARNING 1820 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 1821 } 1822 return (rval); 1823 } 1824 1825 static void 1826 qla2x00_rport_del(void *data) 1827 { 1828 fc_port_t *fcport = data; 1829 struct fc_rport *rport; 1830 unsigned long flags; 1831 1832 spin_lock_irqsave(&fcport->rport_lock, flags); 1833 rport = fcport->drport; 1834 fcport->drport = NULL; 1835 spin_unlock_irqrestore(&fcport->rport_lock, flags); 1836 if (rport) 1837 fc_remote_port_delete(rport); 1838 } 1839 1840 /** 1841 * qla2x00_alloc_fcport() - Allocate a generic fcport. 1842 * @ha: HA context 1843 * @flags: allocation flags 1844 * 1845 * Returns a pointer to the allocated fcport, or NULL, if none available. 1846 */ 1847 static fc_port_t * 1848 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags) 1849 { 1850 fc_port_t *fcport; 1851 1852 fcport = kzalloc(sizeof(fc_port_t), flags); 1853 if (!fcport) 1854 return NULL; 1855 1856 /* Setup fcport template structure. */ 1857 fcport->ha = ha; 1858 fcport->vp_idx = ha->vp_idx; 1859 fcport->port_type = FCT_UNKNOWN; 1860 fcport->loop_id = FC_NO_LOOP_ID; 1861 atomic_set(&fcport->state, FCS_UNCONFIGURED); 1862 fcport->flags = FCF_RLC_SUPPORT; 1863 fcport->supported_classes = FC_COS_UNSPECIFIED; 1864 spin_lock_init(&fcport->rport_lock); 1865 1866 return fcport; 1867 } 1868 1869 /* 1870 * qla2x00_configure_loop 1871 * Updates Fibre Channel Device Database with what is actually on loop. 1872 * 1873 * Input: 1874 * ha = adapter block pointer. 1875 * 1876 * Returns: 1877 * 0 = success. 1878 * 1 = error. 1879 * 2 = database was full and device was not configured. 1880 */ 1881 static int 1882 qla2x00_configure_loop(scsi_qla_host_t *ha) 1883 { 1884 int rval; 1885 unsigned long flags, save_flags; 1886 1887 rval = QLA_SUCCESS; 1888 1889 /* Get Initiator ID */ 1890 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { 1891 rval = qla2x00_configure_hba(ha); 1892 if (rval != QLA_SUCCESS) { 1893 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", 1894 ha->host_no)); 1895 return (rval); 1896 } 1897 } 1898 1899 save_flags = flags = ha->dpc_flags; 1900 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", 1901 ha->host_no, flags)); 1902 1903 /* 1904 * If we have both an RSCN and PORT UPDATE pending then handle them 1905 * both at the same time. 1906 */ 1907 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1908 clear_bit(RSCN_UPDATE, &ha->dpc_flags); 1909 1910 /* Determine what we need to do */ 1911 if (ha->current_topology == ISP_CFG_FL && 1912 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1913 1914 ha->flags.rscn_queue_overflow = 1; 1915 set_bit(RSCN_UPDATE, &flags); 1916 1917 } else if (ha->current_topology == ISP_CFG_F && 1918 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1919 1920 ha->flags.rscn_queue_overflow = 1; 1921 set_bit(RSCN_UPDATE, &flags); 1922 clear_bit(LOCAL_LOOP_UPDATE, &flags); 1923 1924 } else if (ha->current_topology == ISP_CFG_N) { 1925 clear_bit(RSCN_UPDATE, &flags); 1926 1927 } else if (!ha->flags.online || 1928 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 1929 1930 ha->flags.rscn_queue_overflow = 1; 1931 set_bit(RSCN_UPDATE, &flags); 1932 set_bit(LOCAL_LOOP_UPDATE, &flags); 1933 } 1934 1935 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 1936 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1937 rval = QLA_FUNCTION_FAILED; 1938 } else { 1939 rval = qla2x00_configure_local_loop(ha); 1940 } 1941 } 1942 1943 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 1944 if (LOOP_TRANSITION(ha)) { 1945 rval = QLA_FUNCTION_FAILED; 1946 } else { 1947 rval = qla2x00_configure_fabric(ha); 1948 } 1949 } 1950 1951 if (rval == QLA_SUCCESS) { 1952 if (atomic_read(&ha->loop_down_timer) || 1953 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1954 rval = QLA_FUNCTION_FAILED; 1955 } else { 1956 atomic_set(&ha->loop_state, LOOP_READY); 1957 1958 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); 1959 } 1960 } 1961 1962 if (rval) { 1963 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", 1964 __func__, ha->host_no)); 1965 } else { 1966 DEBUG3(printk("%s: exiting normally\n", __func__)); 1967 } 1968 1969 /* Restore state if a resync event occured during processing */ 1970 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1971 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 1972 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1973 if (test_bit(RSCN_UPDATE, &save_flags)) 1974 set_bit(RSCN_UPDATE, &ha->dpc_flags); 1975 } 1976 1977 return (rval); 1978 } 1979 1980 1981 1982 /* 1983 * qla2x00_configure_local_loop 1984 * Updates Fibre Channel Device Database with local loop devices. 1985 * 1986 * Input: 1987 * ha = adapter block pointer. 1988 * 1989 * Returns: 1990 * 0 = success. 1991 */ 1992 static int 1993 qla2x00_configure_local_loop(scsi_qla_host_t *ha) 1994 { 1995 int rval, rval2; 1996 int found_devs; 1997 int found; 1998 fc_port_t *fcport, *new_fcport; 1999 2000 uint16_t index; 2001 uint16_t entries; 2002 char *id_iter; 2003 uint16_t loop_id; 2004 uint8_t domain, area, al_pa; 2005 scsi_qla_host_t *pha = to_qla_parent(ha); 2006 2007 found_devs = 0; 2008 new_fcport = NULL; 2009 entries = MAX_FIBRE_DEVICES; 2010 2011 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); 2012 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); 2013 2014 /* Get list of logged in devices. */ 2015 memset(ha->gid_list, 0, GID_LIST_SIZE); 2016 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, 2017 &entries); 2018 if (rval != QLA_SUCCESS) 2019 goto cleanup_allocation; 2020 2021 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", 2022 ha->host_no, entries)); 2023 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, 2024 entries * sizeof(struct gid_list_info))); 2025 2026 /* Allocate temporary fcport for any new fcports discovered. */ 2027 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2028 if (new_fcport == NULL) { 2029 rval = QLA_MEMORY_ALLOC_FAILED; 2030 goto cleanup_allocation; 2031 } 2032 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 2033 2034 /* 2035 * Mark local devices that were present with FCF_DEVICE_LOST for now. 2036 */ 2037 list_for_each_entry(fcport, &pha->fcports, list) { 2038 if (fcport->vp_idx != ha->vp_idx) 2039 continue; 2040 2041 if (atomic_read(&fcport->state) == FCS_ONLINE && 2042 fcport->port_type != FCT_BROADCAST && 2043 (fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2044 2045 DEBUG(printk("scsi(%ld): Marking port lost, " 2046 "loop_id=0x%04x\n", 2047 ha->host_no, fcport->loop_id)); 2048 2049 atomic_set(&fcport->state, FCS_DEVICE_LOST); 2050 fcport->flags &= ~FCF_FARP_DONE; 2051 } 2052 } 2053 2054 /* Add devices to port list. */ 2055 id_iter = (char *)ha->gid_list; 2056 for (index = 0; index < entries; index++) { 2057 domain = ((struct gid_list_info *)id_iter)->domain; 2058 area = ((struct gid_list_info *)id_iter)->area; 2059 al_pa = ((struct gid_list_info *)id_iter)->al_pa; 2060 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 2061 loop_id = (uint16_t) 2062 ((struct gid_list_info *)id_iter)->loop_id_2100; 2063 else 2064 loop_id = le16_to_cpu( 2065 ((struct gid_list_info *)id_iter)->loop_id); 2066 id_iter += ha->gid_list_info_size; 2067 2068 /* Bypass reserved domain fields. */ 2069 if ((domain & 0xf0) == 0xf0) 2070 continue; 2071 2072 /* Bypass if not same domain and area of adapter. */ 2073 if (area && domain && 2074 (area != ha->d_id.b.area || domain != ha->d_id.b.domain)) 2075 continue; 2076 2077 /* Bypass invalid local loop ID. */ 2078 if (loop_id > LAST_LOCAL_LOOP_ID) 2079 continue; 2080 2081 /* Fill in member data. */ 2082 new_fcport->d_id.b.domain = domain; 2083 new_fcport->d_id.b.area = area; 2084 new_fcport->d_id.b.al_pa = al_pa; 2085 new_fcport->loop_id = loop_id; 2086 new_fcport->vp_idx = ha->vp_idx; 2087 rval2 = qla2x00_get_port_database(ha, new_fcport, 0); 2088 if (rval2 != QLA_SUCCESS) { 2089 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " 2090 "information -- get_port_database=%x, " 2091 "loop_id=0x%04x\n", 2092 ha->host_no, rval2, new_fcport->loop_id)); 2093 DEBUG2(printk("scsi(%ld): Scheduling resync...\n", 2094 ha->host_no)); 2095 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 2096 continue; 2097 } 2098 2099 /* Check for matching device in port list. */ 2100 found = 0; 2101 fcport = NULL; 2102 list_for_each_entry(fcport, &pha->fcports, list) { 2103 if (fcport->vp_idx != ha->vp_idx) 2104 continue; 2105 2106 if (memcmp(new_fcport->port_name, fcport->port_name, 2107 WWN_SIZE)) 2108 continue; 2109 2110 fcport->flags &= ~(FCF_FABRIC_DEVICE | 2111 FCF_PERSISTENT_BOUND); 2112 fcport->loop_id = new_fcport->loop_id; 2113 fcport->port_type = new_fcport->port_type; 2114 fcport->d_id.b24 = new_fcport->d_id.b24; 2115 memcpy(fcport->node_name, new_fcport->node_name, 2116 WWN_SIZE); 2117 2118 found++; 2119 break; 2120 } 2121 2122 if (!found) { 2123 /* New device, add to fcports list. */ 2124 new_fcport->flags &= ~FCF_PERSISTENT_BOUND; 2125 if (ha->parent) { 2126 new_fcport->ha = ha; 2127 new_fcport->vp_idx = ha->vp_idx; 2128 list_add_tail(&new_fcport->vp_fcport, 2129 &ha->vp_fcports); 2130 } 2131 list_add_tail(&new_fcport->list, &pha->fcports); 2132 2133 /* Allocate a new replacement fcport. */ 2134 fcport = new_fcport; 2135 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2136 if (new_fcport == NULL) { 2137 rval = QLA_MEMORY_ALLOC_FAILED; 2138 goto cleanup_allocation; 2139 } 2140 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 2141 } 2142 2143 /* Base iIDMA settings on HBA port speed. */ 2144 fcport->fp_speed = ha->link_data_rate; 2145 2146 qla2x00_update_fcport(ha, fcport); 2147 2148 found_devs++; 2149 } 2150 2151 cleanup_allocation: 2152 kfree(new_fcport); 2153 2154 if (rval != QLA_SUCCESS) { 2155 DEBUG2(printk("scsi(%ld): Configure local loop error exit: " 2156 "rval=%x\n", ha->host_no, rval)); 2157 } 2158 2159 if (found_devs) { 2160 ha->device_flags |= DFLG_LOCAL_DEVICES; 2161 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; 2162 } 2163 2164 return (rval); 2165 } 2166 2167 static void 2168 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) 2169 { 2170 fc_port_t *fcport; 2171 2172 qla2x00_mark_all_devices_lost(ha, 0); 2173 list_for_each_entry(fcport, &ha->fcports, list) { 2174 if (fcport->port_type != FCT_TARGET) 2175 continue; 2176 2177 qla2x00_update_fcport(ha, fcport); 2178 } 2179 } 2180 2181 static void 2182 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2183 { 2184 #define LS_UNKNOWN 2 2185 static char *link_speeds[5] = { "1", "2", "?", "4", "8" }; 2186 int rval; 2187 uint16_t mb[6]; 2188 2189 if (!IS_IIDMA_CAPABLE(ha)) 2190 return; 2191 2192 if (fcport->fp_speed == PORT_SPEED_UNKNOWN || 2193 fcport->fp_speed > ha->link_data_rate) 2194 return; 2195 2196 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed, 2197 mb); 2198 if (rval != QLA_SUCCESS) { 2199 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA " 2200 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n", 2201 ha->host_no, fcport->port_name[0], fcport->port_name[1], 2202 fcport->port_name[2], fcport->port_name[3], 2203 fcport->port_name[4], fcport->port_name[5], 2204 fcport->port_name[6], fcport->port_name[7], rval, 2205 fcport->fp_speed, mb[0], mb[1])); 2206 } else { 2207 DEBUG2(qla_printk(KERN_INFO, ha, 2208 "iIDMA adjusted to %s GB/s on " 2209 "%02x%02x%02x%02x%02x%02x%02x%02x.\n", 2210 link_speeds[fcport->fp_speed], fcport->port_name[0], 2211 fcport->port_name[1], fcport->port_name[2], 2212 fcport->port_name[3], fcport->port_name[4], 2213 fcport->port_name[5], fcport->port_name[6], 2214 fcport->port_name[7])); 2215 } 2216 } 2217 2218 static void 2219 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 2220 { 2221 struct fc_rport_identifiers rport_ids; 2222 struct fc_rport *rport; 2223 unsigned long flags; 2224 2225 if (fcport->drport) 2226 qla2x00_rport_del(fcport); 2227 if (fcport->rport) 2228 return; 2229 2230 rport_ids.node_name = wwn_to_u64(fcport->node_name); 2231 rport_ids.port_name = wwn_to_u64(fcport->port_name); 2232 rport_ids.port_id = fcport->d_id.b.domain << 16 | 2233 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 2234 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2235 rport = fc_remote_port_add(ha->host, 0, &rport_ids); 2236 if (!rport) { 2237 qla_printk(KERN_WARNING, ha, 2238 "Unable to allocate fc remote port!\n"); 2239 return; 2240 } 2241 spin_lock_irqsave(&fcport->rport_lock, flags); 2242 fcport->rport = rport; 2243 *((fc_port_t **)rport->dd_data) = fcport; 2244 spin_unlock_irqrestore(&fcport->rport_lock, flags); 2245 2246 rport->supported_classes = fcport->supported_classes; 2247 2248 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2249 if (fcport->port_type == FCT_INITIATOR) 2250 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; 2251 if (fcport->port_type == FCT_TARGET) 2252 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 2253 fc_remote_port_rolechg(rport, rport_ids.roles); 2254 2255 if (rport->scsi_target_id != -1 && 2256 rport->scsi_target_id < ha->host->max_id) 2257 fcport->os_target_id = rport->scsi_target_id; 2258 } 2259 2260 /* 2261 * qla2x00_update_fcport 2262 * Updates device on list. 2263 * 2264 * Input: 2265 * ha = adapter block pointer. 2266 * fcport = port structure pointer. 2267 * 2268 * Return: 2269 * 0 - Success 2270 * BIT_0 - error 2271 * 2272 * Context: 2273 * Kernel context. 2274 */ 2275 void 2276 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2277 { 2278 scsi_qla_host_t *pha = to_qla_parent(ha); 2279 2280 fcport->ha = ha; 2281 fcport->login_retry = 0; 2282 fcport->port_login_retry_count = pha->port_down_retry_count * 2283 PORT_RETRY_TIME; 2284 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count * 2285 PORT_RETRY_TIME); 2286 fcport->flags &= ~FCF_LOGIN_NEEDED; 2287 2288 qla2x00_iidma_fcport(ha, fcport); 2289 2290 atomic_set(&fcport->state, FCS_ONLINE); 2291 2292 qla2x00_reg_remote_port(ha, fcport); 2293 } 2294 2295 /* 2296 * qla2x00_configure_fabric 2297 * Setup SNS devices with loop ID's. 2298 * 2299 * Input: 2300 * ha = adapter block pointer. 2301 * 2302 * Returns: 2303 * 0 = success. 2304 * BIT_0 = error 2305 */ 2306 static int 2307 qla2x00_configure_fabric(scsi_qla_host_t *ha) 2308 { 2309 int rval, rval2; 2310 fc_port_t *fcport, *fcptemp; 2311 uint16_t next_loopid; 2312 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2313 uint16_t loop_id; 2314 LIST_HEAD(new_fcports); 2315 scsi_qla_host_t *pha = to_qla_parent(ha); 2316 2317 /* If FL port exists, then SNS is present */ 2318 if (IS_FWI2_CAPABLE(ha)) 2319 loop_id = NPH_F_PORT; 2320 else 2321 loop_id = SNS_FL_PORT; 2322 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1); 2323 if (rval != QLA_SUCCESS) { 2324 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " 2325 "Port\n", ha->host_no)); 2326 2327 ha->device_flags &= ~SWITCH_FOUND; 2328 return (QLA_SUCCESS); 2329 } 2330 ha->device_flags |= SWITCH_FOUND; 2331 2332 /* Mark devices that need re-synchronization. */ 2333 rval2 = qla2x00_device_resync(ha); 2334 if (rval2 == QLA_RSCNS_HANDLED) { 2335 /* No point doing the scan, just continue. */ 2336 return (QLA_SUCCESS); 2337 } 2338 do { 2339 /* FDMI support. */ 2340 if (ql2xfdmienable && 2341 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags)) 2342 qla2x00_fdmi_register(ha); 2343 2344 /* Ensure we are logged into the SNS. */ 2345 if (IS_FWI2_CAPABLE(ha)) 2346 loop_id = NPH_SNS; 2347 else 2348 loop_id = SIMPLE_NAME_SERVER; 2349 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff, 2350 0xfc, mb, BIT_1 | BIT_0); 2351 if (mb[0] != MBS_COMMAND_COMPLETE) { 2352 DEBUG2(qla_printk(KERN_INFO, ha, 2353 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 2354 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, 2355 mb[0], mb[1], mb[2], mb[6], mb[7])); 2356 return (QLA_SUCCESS); 2357 } 2358 2359 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { 2360 if (qla2x00_rft_id(ha)) { 2361 /* EMPTY */ 2362 DEBUG2(printk("scsi(%ld): Register FC-4 " 2363 "TYPE failed.\n", ha->host_no)); 2364 } 2365 if (qla2x00_rff_id(ha)) { 2366 /* EMPTY */ 2367 DEBUG2(printk("scsi(%ld): Register FC-4 " 2368 "Features failed.\n", ha->host_no)); 2369 } 2370 if (qla2x00_rnn_id(ha)) { 2371 /* EMPTY */ 2372 DEBUG2(printk("scsi(%ld): Register Node Name " 2373 "failed.\n", ha->host_no)); 2374 } else if (qla2x00_rsnn_nn(ha)) { 2375 /* EMPTY */ 2376 DEBUG2(printk("scsi(%ld): Register Symbolic " 2377 "Node Name failed.\n", ha->host_no)); 2378 } 2379 } 2380 2381 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); 2382 if (rval != QLA_SUCCESS) 2383 break; 2384 2385 /* 2386 * Logout all previous fabric devices marked lost, except 2387 * tape devices. 2388 */ 2389 list_for_each_entry(fcport, &pha->fcports, list) { 2390 if (fcport->vp_idx !=ha->vp_idx) 2391 continue; 2392 2393 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2394 break; 2395 2396 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 2397 continue; 2398 2399 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 2400 qla2x00_mark_device_lost(ha, fcport, 2401 ql2xplogiabsentdevice, 0); 2402 if (fcport->loop_id != FC_NO_LOOP_ID && 2403 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2404 fcport->port_type != FCT_INITIATOR && 2405 fcport->port_type != FCT_BROADCAST) { 2406 ha->isp_ops->fabric_logout(ha, 2407 fcport->loop_id, 2408 fcport->d_id.b.domain, 2409 fcport->d_id.b.area, 2410 fcport->d_id.b.al_pa); 2411 fcport->loop_id = FC_NO_LOOP_ID; 2412 } 2413 } 2414 } 2415 2416 /* Starting free loop ID. */ 2417 next_loopid = pha->min_external_loopid; 2418 2419 /* 2420 * Scan through our port list and login entries that need to be 2421 * logged in. 2422 */ 2423 list_for_each_entry(fcport, &pha->fcports, list) { 2424 if (fcport->vp_idx != ha->vp_idx) 2425 continue; 2426 2427 if (atomic_read(&ha->loop_down_timer) || 2428 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2429 break; 2430 2431 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2432 (fcport->flags & FCF_LOGIN_NEEDED) == 0) 2433 continue; 2434 2435 if (fcport->loop_id == FC_NO_LOOP_ID) { 2436 fcport->loop_id = next_loopid; 2437 rval = qla2x00_find_new_loop_id(ha, fcport); 2438 if (rval != QLA_SUCCESS) { 2439 /* Ran out of IDs to use */ 2440 break; 2441 } 2442 } 2443 /* Login and update database */ 2444 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2445 } 2446 2447 /* Exit if out of loop IDs. */ 2448 if (rval != QLA_SUCCESS) { 2449 break; 2450 } 2451 2452 /* 2453 * Login and add the new devices to our port list. 2454 */ 2455 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2456 if (atomic_read(&ha->loop_down_timer) || 2457 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2458 break; 2459 2460 /* Find a new loop ID to use. */ 2461 fcport->loop_id = next_loopid; 2462 rval = qla2x00_find_new_loop_id(ha, fcport); 2463 if (rval != QLA_SUCCESS) { 2464 /* Ran out of IDs to use */ 2465 break; 2466 } 2467 2468 /* Login and update database */ 2469 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2470 2471 if (ha->parent) { 2472 fcport->ha = ha; 2473 fcport->vp_idx = ha->vp_idx; 2474 list_add_tail(&fcport->vp_fcport, 2475 &ha->vp_fcports); 2476 list_move_tail(&fcport->list, 2477 &ha->parent->fcports); 2478 } else 2479 list_move_tail(&fcport->list, &ha->fcports); 2480 } 2481 } while (0); 2482 2483 /* Free all new device structures not processed. */ 2484 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2485 list_del(&fcport->list); 2486 kfree(fcport); 2487 } 2488 2489 if (rval) { 2490 DEBUG2(printk("scsi(%ld): Configure fabric error exit: " 2491 "rval=%d\n", ha->host_no, rval)); 2492 } 2493 2494 return (rval); 2495 } 2496 2497 2498 /* 2499 * qla2x00_find_all_fabric_devs 2500 * 2501 * Input: 2502 * ha = adapter block pointer. 2503 * dev = database device entry pointer. 2504 * 2505 * Returns: 2506 * 0 = success. 2507 * 2508 * Context: 2509 * Kernel context. 2510 */ 2511 static int 2512 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) 2513 { 2514 int rval; 2515 uint16_t loop_id; 2516 fc_port_t *fcport, *new_fcport, *fcptemp; 2517 int found; 2518 2519 sw_info_t *swl; 2520 int swl_idx; 2521 int first_dev, last_dev; 2522 port_id_t wrap, nxt_d_id; 2523 int vp_index; 2524 int empty_vp_index; 2525 int found_vp; 2526 scsi_qla_host_t *vha; 2527 scsi_qla_host_t *pha = to_qla_parent(ha); 2528 2529 rval = QLA_SUCCESS; 2530 2531 /* Try GID_PT to get device list, else GAN. */ 2532 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC); 2533 if (!swl) { 2534 /*EMPTY*/ 2535 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2536 "on GA_NXT\n", ha->host_no)); 2537 } else { 2538 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { 2539 kfree(swl); 2540 swl = NULL; 2541 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { 2542 kfree(swl); 2543 swl = NULL; 2544 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { 2545 kfree(swl); 2546 swl = NULL; 2547 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) { 2548 qla2x00_gpsc(ha, swl); 2549 } 2550 } 2551 swl_idx = 0; 2552 2553 /* Allocate temporary fcport for any new fcports discovered. */ 2554 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2555 if (new_fcport == NULL) { 2556 kfree(swl); 2557 return (QLA_MEMORY_ALLOC_FAILED); 2558 } 2559 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2560 new_fcport->vp_idx = ha->vp_idx; 2561 /* Set start port ID scan at adapter ID. */ 2562 first_dev = 1; 2563 last_dev = 0; 2564 2565 /* Starting free loop ID. */ 2566 loop_id = pha->min_external_loopid; 2567 for (; loop_id <= ha->last_loop_id; loop_id++) { 2568 if (qla2x00_is_reserved_id(ha, loop_id)) 2569 continue; 2570 2571 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) 2572 break; 2573 2574 if (swl != NULL) { 2575 if (last_dev) { 2576 wrap.b24 = new_fcport->d_id.b24; 2577 } else { 2578 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 2579 memcpy(new_fcport->node_name, 2580 swl[swl_idx].node_name, WWN_SIZE); 2581 memcpy(new_fcport->port_name, 2582 swl[swl_idx].port_name, WWN_SIZE); 2583 memcpy(new_fcport->fabric_port_name, 2584 swl[swl_idx].fabric_port_name, WWN_SIZE); 2585 new_fcport->fp_speed = swl[swl_idx].fp_speed; 2586 2587 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 2588 last_dev = 1; 2589 } 2590 swl_idx++; 2591 } 2592 } else { 2593 /* Send GA_NXT to the switch */ 2594 rval = qla2x00_ga_nxt(ha, new_fcport); 2595 if (rval != QLA_SUCCESS) { 2596 qla_printk(KERN_WARNING, ha, 2597 "SNS scan failed -- assuming zero-entry " 2598 "result...\n"); 2599 list_for_each_entry_safe(fcport, fcptemp, 2600 new_fcports, list) { 2601 list_del(&fcport->list); 2602 kfree(fcport); 2603 } 2604 rval = QLA_SUCCESS; 2605 break; 2606 } 2607 } 2608 2609 /* If wrap on switch device list, exit. */ 2610 if (first_dev) { 2611 wrap.b24 = new_fcport->d_id.b24; 2612 first_dev = 0; 2613 } else if (new_fcport->d_id.b24 == wrap.b24) { 2614 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", 2615 ha->host_no, new_fcport->d_id.b.domain, 2616 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); 2617 break; 2618 } 2619 2620 /* Bypass if same physical adapter. */ 2621 if (new_fcport->d_id.b24 == pha->d_id.b24) 2622 continue; 2623 2624 /* Bypass virtual ports of the same host. */ 2625 if (pha->num_vhosts) { 2626 for_each_mapped_vp_idx(pha, vp_index) { 2627 empty_vp_index = 1; 2628 found_vp = 0; 2629 list_for_each_entry(vha, &pha->vp_list, 2630 vp_list) { 2631 if (vp_index == vha->vp_idx) { 2632 empty_vp_index = 0; 2633 found_vp = 1; 2634 break; 2635 } 2636 } 2637 2638 if (empty_vp_index) 2639 continue; 2640 2641 if (found_vp && 2642 new_fcport->d_id.b24 == vha->d_id.b24) 2643 break; 2644 } 2645 2646 if (vp_index <= pha->max_npiv_vports) 2647 continue; 2648 } 2649 2650 /* Bypass if same domain and area of adapter. */ 2651 if (((new_fcport->d_id.b24 & 0xffff00) == 2652 (ha->d_id.b24 & 0xffff00)) && ha->current_topology == 2653 ISP_CFG_FL) 2654 continue; 2655 2656 /* Bypass reserved domain fields. */ 2657 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 2658 continue; 2659 2660 /* Locate matching device in database. */ 2661 found = 0; 2662 list_for_each_entry(fcport, &pha->fcports, list) { 2663 if (new_fcport->vp_idx != fcport->vp_idx) 2664 continue; 2665 if (memcmp(new_fcport->port_name, fcport->port_name, 2666 WWN_SIZE)) 2667 continue; 2668 2669 found++; 2670 2671 /* Update port state. */ 2672 memcpy(fcport->fabric_port_name, 2673 new_fcport->fabric_port_name, WWN_SIZE); 2674 fcport->fp_speed = new_fcport->fp_speed; 2675 2676 /* 2677 * If address the same and state FCS_ONLINE, nothing 2678 * changed. 2679 */ 2680 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 2681 atomic_read(&fcport->state) == FCS_ONLINE) { 2682 break; 2683 } 2684 2685 /* 2686 * If device was not a fabric device before. 2687 */ 2688 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2689 fcport->d_id.b24 = new_fcport->d_id.b24; 2690 fcport->loop_id = FC_NO_LOOP_ID; 2691 fcport->flags |= (FCF_FABRIC_DEVICE | 2692 FCF_LOGIN_NEEDED); 2693 fcport->flags &= ~FCF_PERSISTENT_BOUND; 2694 break; 2695 } 2696 2697 /* 2698 * Port ID changed or device was marked to be updated; 2699 * Log it out if still logged in and mark it for 2700 * relogin later. 2701 */ 2702 fcport->d_id.b24 = new_fcport->d_id.b24; 2703 fcport->flags |= FCF_LOGIN_NEEDED; 2704 if (fcport->loop_id != FC_NO_LOOP_ID && 2705 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2706 fcport->port_type != FCT_INITIATOR && 2707 fcport->port_type != FCT_BROADCAST) { 2708 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 2709 fcport->d_id.b.domain, fcport->d_id.b.area, 2710 fcport->d_id.b.al_pa); 2711 fcport->loop_id = FC_NO_LOOP_ID; 2712 } 2713 2714 break; 2715 } 2716 2717 if (found) 2718 continue; 2719 2720 /* If device was not in our fcports list, then add it. */ 2721 list_add_tail(&new_fcport->list, new_fcports); 2722 2723 /* Allocate a new replacement fcport. */ 2724 nxt_d_id.b24 = new_fcport->d_id.b24; 2725 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2726 if (new_fcport == NULL) { 2727 kfree(swl); 2728 return (QLA_MEMORY_ALLOC_FAILED); 2729 } 2730 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2731 new_fcport->d_id.b24 = nxt_d_id.b24; 2732 new_fcport->vp_idx = ha->vp_idx; 2733 } 2734 2735 kfree(swl); 2736 kfree(new_fcport); 2737 2738 if (!list_empty(new_fcports)) 2739 ha->device_flags |= DFLG_FABRIC_DEVICES; 2740 2741 return (rval); 2742 } 2743 2744 /* 2745 * qla2x00_find_new_loop_id 2746 * Scan through our port list and find a new usable loop ID. 2747 * 2748 * Input: 2749 * ha: adapter state pointer. 2750 * dev: port structure pointer. 2751 * 2752 * Returns: 2753 * qla2x00 local function return status code. 2754 * 2755 * Context: 2756 * Kernel context. 2757 */ 2758 static int 2759 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) 2760 { 2761 int rval; 2762 int found; 2763 fc_port_t *fcport; 2764 uint16_t first_loop_id; 2765 scsi_qla_host_t *pha = to_qla_parent(ha); 2766 2767 rval = QLA_SUCCESS; 2768 2769 /* Save starting loop ID. */ 2770 first_loop_id = dev->loop_id; 2771 2772 for (;;) { 2773 /* Skip loop ID if already used by adapter. */ 2774 if (dev->loop_id == ha->loop_id) { 2775 dev->loop_id++; 2776 } 2777 2778 /* Skip reserved loop IDs. */ 2779 while (qla2x00_is_reserved_id(ha, dev->loop_id)) { 2780 dev->loop_id++; 2781 } 2782 2783 /* Reset loop ID if passed the end. */ 2784 if (dev->loop_id > ha->last_loop_id) { 2785 /* first loop ID. */ 2786 dev->loop_id = ha->min_external_loopid; 2787 } 2788 2789 /* Check for loop ID being already in use. */ 2790 found = 0; 2791 fcport = NULL; 2792 list_for_each_entry(fcport, &pha->fcports, list) { 2793 if (fcport->loop_id == dev->loop_id && fcport != dev) { 2794 /* ID possibly in use */ 2795 found++; 2796 break; 2797 } 2798 } 2799 2800 /* If not in use then it is free to use. */ 2801 if (!found) { 2802 break; 2803 } 2804 2805 /* ID in use. Try next value. */ 2806 dev->loop_id++; 2807 2808 /* If wrap around. No free ID to use. */ 2809 if (dev->loop_id == first_loop_id) { 2810 dev->loop_id = FC_NO_LOOP_ID; 2811 rval = QLA_FUNCTION_FAILED; 2812 break; 2813 } 2814 } 2815 2816 return (rval); 2817 } 2818 2819 /* 2820 * qla2x00_device_resync 2821 * Marks devices in the database that needs resynchronization. 2822 * 2823 * Input: 2824 * ha = adapter block pointer. 2825 * 2826 * Context: 2827 * Kernel context. 2828 */ 2829 static int 2830 qla2x00_device_resync(scsi_qla_host_t *ha) 2831 { 2832 int rval; 2833 uint32_t mask; 2834 fc_port_t *fcport; 2835 uint32_t rscn_entry; 2836 uint8_t rscn_out_iter; 2837 uint8_t format; 2838 port_id_t d_id; 2839 scsi_qla_host_t *pha = to_qla_parent(ha); 2840 2841 rval = QLA_RSCNS_HANDLED; 2842 2843 while (ha->rscn_out_ptr != ha->rscn_in_ptr || 2844 ha->flags.rscn_queue_overflow) { 2845 2846 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; 2847 format = MSB(MSW(rscn_entry)); 2848 d_id.b.domain = LSB(MSW(rscn_entry)); 2849 d_id.b.area = MSB(LSW(rscn_entry)); 2850 d_id.b.al_pa = LSB(LSW(rscn_entry)); 2851 2852 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " 2853 "[%02x/%02x%02x%02x].\n", 2854 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, 2855 d_id.b.area, d_id.b.al_pa)); 2856 2857 ha->rscn_out_ptr++; 2858 if (ha->rscn_out_ptr == MAX_RSCN_COUNT) 2859 ha->rscn_out_ptr = 0; 2860 2861 /* Skip duplicate entries. */ 2862 for (rscn_out_iter = ha->rscn_out_ptr; 2863 !ha->flags.rscn_queue_overflow && 2864 rscn_out_iter != ha->rscn_in_ptr; 2865 rscn_out_iter = (rscn_out_iter == 2866 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { 2867 2868 if (rscn_entry != ha->rscn_queue[rscn_out_iter]) 2869 break; 2870 2871 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " 2872 "entry found at [%d].\n", ha->host_no, 2873 rscn_out_iter)); 2874 2875 ha->rscn_out_ptr = rscn_out_iter; 2876 } 2877 2878 /* Queue overflow, set switch default case. */ 2879 if (ha->flags.rscn_queue_overflow) { 2880 DEBUG(printk("scsi(%ld): device_resync: rscn " 2881 "overflow.\n", ha->host_no)); 2882 2883 format = 3; 2884 ha->flags.rscn_queue_overflow = 0; 2885 } 2886 2887 switch (format) { 2888 case 0: 2889 mask = 0xffffff; 2890 break; 2891 case 1: 2892 mask = 0xffff00; 2893 break; 2894 case 2: 2895 mask = 0xff0000; 2896 break; 2897 default: 2898 mask = 0x0; 2899 d_id.b24 = 0; 2900 ha->rscn_out_ptr = ha->rscn_in_ptr; 2901 break; 2902 } 2903 2904 rval = QLA_SUCCESS; 2905 2906 list_for_each_entry(fcport, &pha->fcports, list) { 2907 if (fcport->vp_idx != ha->vp_idx) 2908 continue; 2909 2910 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2911 (fcport->d_id.b24 & mask) != d_id.b24 || 2912 fcport->port_type == FCT_BROADCAST) 2913 continue; 2914 2915 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2916 if (format != 3 || 2917 fcport->port_type != FCT_INITIATOR) { 2918 qla2x00_mark_device_lost(ha, fcport, 2919 0, 0); 2920 } 2921 } 2922 fcport->flags &= ~FCF_FARP_DONE; 2923 } 2924 } 2925 return (rval); 2926 } 2927 2928 /* 2929 * qla2x00_fabric_dev_login 2930 * Login fabric target device and update FC port database. 2931 * 2932 * Input: 2933 * ha: adapter state pointer. 2934 * fcport: port structure list pointer. 2935 * next_loopid: contains value of a new loop ID that can be used 2936 * by the next login attempt. 2937 * 2938 * Returns: 2939 * qla2x00 local function return status code. 2940 * 2941 * Context: 2942 * Kernel context. 2943 */ 2944 static int 2945 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2946 uint16_t *next_loopid) 2947 { 2948 int rval; 2949 int retry; 2950 uint8_t opts; 2951 2952 rval = QLA_SUCCESS; 2953 retry = 0; 2954 2955 rval = qla2x00_fabric_login(ha, fcport, next_loopid); 2956 if (rval == QLA_SUCCESS) { 2957 /* Send an ADISC to tape devices.*/ 2958 opts = 0; 2959 if (fcport->flags & FCF_TAPE_PRESENT) 2960 opts |= BIT_1; 2961 rval = qla2x00_get_port_database(ha, fcport, opts); 2962 if (rval != QLA_SUCCESS) { 2963 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 2964 fcport->d_id.b.domain, fcport->d_id.b.area, 2965 fcport->d_id.b.al_pa); 2966 qla2x00_mark_device_lost(ha, fcport, 1, 0); 2967 } else { 2968 qla2x00_update_fcport(ha, fcport); 2969 } 2970 } 2971 2972 return (rval); 2973 } 2974 2975 /* 2976 * qla2x00_fabric_login 2977 * Issue fabric login command. 2978 * 2979 * Input: 2980 * ha = adapter block pointer. 2981 * device = pointer to FC device type structure. 2982 * 2983 * Returns: 2984 * 0 - Login successfully 2985 * 1 - Login failed 2986 * 2 - Initiator device 2987 * 3 - Fatal error 2988 */ 2989 int 2990 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2991 uint16_t *next_loopid) 2992 { 2993 int rval; 2994 int retry; 2995 uint16_t tmp_loopid; 2996 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2997 2998 retry = 0; 2999 tmp_loopid = 0; 3000 3001 for (;;) { 3002 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " 3003 "for port %02x%02x%02x.\n", 3004 ha->host_no, fcport->loop_id, fcport->d_id.b.domain, 3005 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 3006 3007 /* Login fcport on switch. */ 3008 ha->isp_ops->fabric_login(ha, fcport->loop_id, 3009 fcport->d_id.b.domain, fcport->d_id.b.area, 3010 fcport->d_id.b.al_pa, mb, BIT_0); 3011 if (mb[0] == MBS_PORT_ID_USED) { 3012 /* 3013 * Device has another loop ID. The firmware team 3014 * recommends the driver perform an implicit login with 3015 * the specified ID again. The ID we just used is save 3016 * here so we return with an ID that can be tried by 3017 * the next login. 3018 */ 3019 retry++; 3020 tmp_loopid = fcport->loop_id; 3021 fcport->loop_id = mb[1]; 3022 3023 DEBUG(printk("Fabric Login: port in use - next " 3024 "loop id=0x%04x, port Id=%02x%02x%02x.\n", 3025 fcport->loop_id, fcport->d_id.b.domain, 3026 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 3027 3028 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 3029 /* 3030 * Login succeeded. 3031 */ 3032 if (retry) { 3033 /* A retry occurred before. */ 3034 *next_loopid = tmp_loopid; 3035 } else { 3036 /* 3037 * No retry occurred before. Just increment the 3038 * ID value for next login. 3039 */ 3040 *next_loopid = (fcport->loop_id + 1); 3041 } 3042 3043 if (mb[1] & BIT_0) { 3044 fcport->port_type = FCT_INITIATOR; 3045 } else { 3046 fcport->port_type = FCT_TARGET; 3047 if (mb[1] & BIT_1) { 3048 fcport->flags |= FCF_TAPE_PRESENT; 3049 } 3050 } 3051 3052 if (mb[10] & BIT_0) 3053 fcport->supported_classes |= FC_COS_CLASS2; 3054 if (mb[10] & BIT_1) 3055 fcport->supported_classes |= FC_COS_CLASS3; 3056 3057 rval = QLA_SUCCESS; 3058 break; 3059 } else if (mb[0] == MBS_LOOP_ID_USED) { 3060 /* 3061 * Loop ID already used, try next loop ID. 3062 */ 3063 fcport->loop_id++; 3064 rval = qla2x00_find_new_loop_id(ha, fcport); 3065 if (rval != QLA_SUCCESS) { 3066 /* Ran out of loop IDs to use */ 3067 break; 3068 } 3069 } else if (mb[0] == MBS_COMMAND_ERROR) { 3070 /* 3071 * Firmware possibly timed out during login. If NO 3072 * retries are left to do then the device is declared 3073 * dead. 3074 */ 3075 *next_loopid = fcport->loop_id; 3076 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3077 fcport->d_id.b.domain, fcport->d_id.b.area, 3078 fcport->d_id.b.al_pa); 3079 qla2x00_mark_device_lost(ha, fcport, 1, 0); 3080 3081 rval = 1; 3082 break; 3083 } else { 3084 /* 3085 * unrecoverable / not handled error 3086 */ 3087 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " 3088 "loop_id=%x jiffies=%lx.\n", 3089 __func__, ha->host_no, mb[0], 3090 fcport->d_id.b.domain, fcport->d_id.b.area, 3091 fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); 3092 3093 *next_loopid = fcport->loop_id; 3094 ha->isp_ops->fabric_logout(ha, fcport->loop_id, 3095 fcport->d_id.b.domain, fcport->d_id.b.area, 3096 fcport->d_id.b.al_pa); 3097 fcport->loop_id = FC_NO_LOOP_ID; 3098 fcport->login_retry = 0; 3099 3100 rval = 3; 3101 break; 3102 } 3103 } 3104 3105 return (rval); 3106 } 3107 3108 /* 3109 * qla2x00_local_device_login 3110 * Issue local device login command. 3111 * 3112 * Input: 3113 * ha = adapter block pointer. 3114 * loop_id = loop id of device to login to. 3115 * 3116 * Returns (Where's the #define!!!!): 3117 * 0 - Login successfully 3118 * 1 - Login failed 3119 * 3 - Fatal error 3120 */ 3121 int 3122 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport) 3123 { 3124 int rval; 3125 uint16_t mb[MAILBOX_REGISTER_COUNT]; 3126 3127 memset(mb, 0, sizeof(mb)); 3128 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0); 3129 if (rval == QLA_SUCCESS) { 3130 /* Interrogate mailbox registers for any errors */ 3131 if (mb[0] == MBS_COMMAND_ERROR) 3132 rval = 1; 3133 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 3134 /* device not in PCB table */ 3135 rval = 3; 3136 } 3137 3138 return (rval); 3139 } 3140 3141 /* 3142 * qla2x00_loop_resync 3143 * Resync with fibre channel devices. 3144 * 3145 * Input: 3146 * ha = adapter block pointer. 3147 * 3148 * Returns: 3149 * 0 = success 3150 */ 3151 int 3152 qla2x00_loop_resync(scsi_qla_host_t *ha) 3153 { 3154 int rval; 3155 uint32_t wait_time; 3156 3157 rval = QLA_SUCCESS; 3158 3159 atomic_set(&ha->loop_state, LOOP_UPDATE); 3160 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3161 if (ha->flags.online) { 3162 if (!(rval = qla2x00_fw_ready(ha))) { 3163 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3164 wait_time = 256; 3165 do { 3166 atomic_set(&ha->loop_state, LOOP_UPDATE); 3167 3168 /* Issue a marker after FW becomes ready. */ 3169 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3170 ha->marker_needed = 0; 3171 3172 /* Remap devices on Loop. */ 3173 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3174 3175 qla2x00_configure_loop(ha); 3176 wait_time--; 3177 } while (!atomic_read(&ha->loop_down_timer) && 3178 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3179 wait_time && 3180 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3181 } 3182 } 3183 3184 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { 3185 return (QLA_FUNCTION_FAILED); 3186 } 3187 3188 if (rval) { 3189 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 3190 } 3191 3192 return (rval); 3193 } 3194 3195 void 3196 qla2x00_rescan_fcports(scsi_qla_host_t *ha) 3197 { 3198 int rescan_done; 3199 fc_port_t *fcport; 3200 3201 rescan_done = 0; 3202 list_for_each_entry(fcport, &ha->fcports, list) { 3203 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) 3204 continue; 3205 3206 qla2x00_update_fcport(ha, fcport); 3207 fcport->flags &= ~FCF_RESCAN_NEEDED; 3208 3209 rescan_done = 1; 3210 } 3211 qla2x00_probe_for_all_luns(ha); 3212 } 3213 3214 void 3215 qla2x00_update_fcports(scsi_qla_host_t *ha) 3216 { 3217 fc_port_t *fcport; 3218 3219 /* Go with deferred removal of rport references. */ 3220 list_for_each_entry(fcport, &ha->fcports, list) 3221 if (fcport->drport) 3222 qla2x00_rport_del(fcport); 3223 } 3224 3225 /* 3226 * qla2x00_abort_isp 3227 * Resets ISP and aborts all outstanding commands. 3228 * 3229 * Input: 3230 * ha = adapter block pointer. 3231 * 3232 * Returns: 3233 * 0 = success 3234 */ 3235 int 3236 qla2x00_abort_isp(scsi_qla_host_t *ha) 3237 { 3238 int rval; 3239 uint8_t status = 0; 3240 3241 if (ha->flags.online) { 3242 ha->flags.online = 0; 3243 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 3244 3245 qla_printk(KERN_INFO, ha, 3246 "Performing ISP error recovery - ha= %p.\n", ha); 3247 ha->isp_ops->reset_chip(ha); 3248 3249 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 3250 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 3251 atomic_set(&ha->loop_state, LOOP_DOWN); 3252 qla2x00_mark_all_devices_lost(ha, 0); 3253 } else { 3254 if (!atomic_read(&ha->loop_down_timer)) 3255 atomic_set(&ha->loop_down_timer, 3256 LOOP_DOWN_TIME); 3257 } 3258 3259 /* Requeue all commands in outstanding command list. */ 3260 qla2x00_abort_all_cmds(ha, DID_RESET << 16); 3261 3262 ha->isp_ops->get_flash_version(ha, ha->request_ring); 3263 3264 ha->isp_ops->nvram_config(ha); 3265 3266 if (!qla2x00_restart_isp(ha)) { 3267 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3268 3269 if (!atomic_read(&ha->loop_down_timer)) { 3270 /* 3271 * Issue marker command only when we are going 3272 * to start the I/O . 3273 */ 3274 ha->marker_needed = 1; 3275 } 3276 3277 ha->flags.online = 1; 3278 3279 ha->isp_ops->enable_intrs(ha); 3280 3281 ha->isp_abort_cnt = 0; 3282 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3283 3284 if (ha->eft) { 3285 memset(ha->eft, 0, EFT_SIZE); 3286 rval = qla2x00_enable_eft_trace(ha, 3287 ha->eft_dma, EFT_NUM_BUFFERS); 3288 if (rval) { 3289 qla_printk(KERN_WARNING, ha, 3290 "Unable to reinitialize EFT " 3291 "(%d).\n", rval); 3292 } 3293 } 3294 3295 if (ha->fce) { 3296 ha->flags.fce_enabled = 1; 3297 memset(ha->fce, 0, 3298 fce_calc_size(ha->fce_bufs)); 3299 rval = qla2x00_enable_fce_trace(ha, 3300 ha->fce_dma, ha->fce_bufs, ha->fce_mb, 3301 &ha->fce_bufs); 3302 if (rval) { 3303 qla_printk(KERN_WARNING, ha, 3304 "Unable to reinitialize FCE " 3305 "(%d).\n", rval); 3306 ha->flags.fce_enabled = 0; 3307 } 3308 } 3309 } else { /* failed the ISP abort */ 3310 ha->flags.online = 1; 3311 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { 3312 if (ha->isp_abort_cnt == 0) { 3313 qla_printk(KERN_WARNING, ha, 3314 "ISP error recovery failed - " 3315 "board disabled\n"); 3316 /* 3317 * The next call disables the board 3318 * completely. 3319 */ 3320 ha->isp_ops->reset_adapter(ha); 3321 ha->flags.online = 0; 3322 clear_bit(ISP_ABORT_RETRY, 3323 &ha->dpc_flags); 3324 status = 0; 3325 } else { /* schedule another ISP abort */ 3326 ha->isp_abort_cnt--; 3327 DEBUG(printk("qla%ld: ISP abort - " 3328 "retry remaining %d\n", 3329 ha->host_no, ha->isp_abort_cnt)); 3330 status = 1; 3331 } 3332 } else { 3333 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3334 DEBUG(printk("qla2x00(%ld): ISP error recovery " 3335 "- retrying (%d) more times\n", 3336 ha->host_no, ha->isp_abort_cnt)); 3337 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3338 status = 1; 3339 } 3340 } 3341 3342 } 3343 3344 if (status) { 3345 qla_printk(KERN_INFO, ha, 3346 "qla2x00_abort_isp: **** FAILED ****\n"); 3347 } else { 3348 DEBUG(printk(KERN_INFO 3349 "qla2x00_abort_isp(%ld): exiting.\n", 3350 ha->host_no)); 3351 } 3352 3353 return(status); 3354 } 3355 3356 /* 3357 * qla2x00_restart_isp 3358 * restarts the ISP after a reset 3359 * 3360 * Input: 3361 * ha = adapter block pointer. 3362 * 3363 * Returns: 3364 * 0 = success 3365 */ 3366 static int 3367 qla2x00_restart_isp(scsi_qla_host_t *ha) 3368 { 3369 uint8_t status = 0; 3370 uint32_t wait_time; 3371 3372 /* If firmware needs to be loaded */ 3373 if (qla2x00_isp_firmware(ha)) { 3374 ha->flags.online = 0; 3375 if (!(status = ha->isp_ops->chip_diag(ha))) 3376 status = qla2x00_setup_chip(ha); 3377 } 3378 3379 if (!status && !(status = qla2x00_init_rings(ha))) { 3380 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3381 if (!(status = qla2x00_fw_ready(ha))) { 3382 DEBUG(printk("%s(): Start configure loop, " 3383 "status = %d\n", __func__, status)); 3384 3385 /* Issue a marker after FW becomes ready. */ 3386 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3387 3388 ha->flags.online = 1; 3389 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3390 wait_time = 256; 3391 do { 3392 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3393 qla2x00_configure_loop(ha); 3394 wait_time--; 3395 } while (!atomic_read(&ha->loop_down_timer) && 3396 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3397 wait_time && 3398 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3399 } 3400 3401 /* if no cable then assume it's good */ 3402 if ((ha->device_flags & DFLG_NO_CABLE)) 3403 status = 0; 3404 3405 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", 3406 __func__, 3407 status)); 3408 } 3409 return (status); 3410 } 3411 3412 /* 3413 * qla2x00_reset_adapter 3414 * Reset adapter. 3415 * 3416 * Input: 3417 * ha = adapter block pointer. 3418 */ 3419 void 3420 qla2x00_reset_adapter(scsi_qla_host_t *ha) 3421 { 3422 unsigned long flags = 0; 3423 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3424 3425 ha->flags.online = 0; 3426 ha->isp_ops->disable_intrs(ha); 3427 3428 spin_lock_irqsave(&ha->hardware_lock, flags); 3429 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 3430 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3431 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 3432 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3433 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3434 } 3435 3436 void 3437 qla24xx_reset_adapter(scsi_qla_host_t *ha) 3438 { 3439 unsigned long flags = 0; 3440 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3441 3442 ha->flags.online = 0; 3443 ha->isp_ops->disable_intrs(ha); 3444 3445 spin_lock_irqsave(&ha->hardware_lock, flags); 3446 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 3447 RD_REG_DWORD(®->hccr); 3448 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 3449 RD_REG_DWORD(®->hccr); 3450 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3451 } 3452 3453 /* On sparc systems, obtain port and node WWN from firmware 3454 * properties. 3455 */ 3456 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv) 3457 { 3458 #ifdef CONFIG_SPARC 3459 struct pci_dev *pdev = ha->pdev; 3460 struct device_node *dp = pci_device_to_OF_node(pdev); 3461 const u8 *val; 3462 int len; 3463 3464 val = of_get_property(dp, "port-wwn", &len); 3465 if (val && len >= WWN_SIZE) 3466 memcpy(nv->port_name, val, WWN_SIZE); 3467 3468 val = of_get_property(dp, "node-wwn", &len); 3469 if (val && len >= WWN_SIZE) 3470 memcpy(nv->node_name, val, WWN_SIZE); 3471 #endif 3472 } 3473 3474 int 3475 qla24xx_nvram_config(scsi_qla_host_t *ha) 3476 { 3477 int rval; 3478 struct init_cb_24xx *icb; 3479 struct nvram_24xx *nv; 3480 uint32_t *dptr; 3481 uint8_t *dptr1, *dptr2; 3482 uint32_t chksum; 3483 uint16_t cnt; 3484 3485 rval = QLA_SUCCESS; 3486 icb = (struct init_cb_24xx *)ha->init_cb; 3487 nv = ha->nvram; 3488 3489 /* Determine NVRAM starting address. */ 3490 ha->nvram_size = sizeof(struct nvram_24xx); 3491 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 3492 ha->vpd_size = FA_NVRAM_VPD_SIZE; 3493 ha->vpd_base = FA_NVRAM_VPD0_ADDR; 3494 if (PCI_FUNC(ha->pdev->devfn)) { 3495 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 3496 ha->vpd_base = FA_NVRAM_VPD1_ADDR; 3497 } 3498 3499 /* Get VPD data into cache */ 3500 ha->vpd = ha->nvram + VPD_OFFSET; 3501 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd, 3502 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4); 3503 3504 /* Get NVRAM data into cache and calculate checksum. */ 3505 dptr = (uint32_t *)nv; 3506 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, 3507 ha->nvram_size); 3508 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) 3509 chksum += le32_to_cpu(*dptr++); 3510 3511 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 3512 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size)); 3513 3514 /* Bad NVRAM data, set defaults parameters. */ 3515 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' 3516 || nv->id[3] != ' ' || 3517 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { 3518 /* Reset NVRAM data. */ 3519 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 3520 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 3521 le16_to_cpu(nv->nvram_version)); 3522 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 3523 "invalid -- WWPN) defaults.\n"); 3524 3525 /* 3526 * Set default initialization control block. 3527 */ 3528 memset(nv, 0, ha->nvram_size); 3529 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); 3530 nv->version = __constant_cpu_to_le16(ICB_VERSION); 3531 nv->frame_payload_size = __constant_cpu_to_le16(2048); 3532 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3533 nv->exchange_count = __constant_cpu_to_le16(0); 3534 nv->hard_address = __constant_cpu_to_le16(124); 3535 nv->port_name[0] = 0x21; 3536 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); 3537 nv->port_name[2] = 0x00; 3538 nv->port_name[3] = 0xe0; 3539 nv->port_name[4] = 0x8b; 3540 nv->port_name[5] = 0x1c; 3541 nv->port_name[6] = 0x55; 3542 nv->port_name[7] = 0x86; 3543 nv->node_name[0] = 0x20; 3544 nv->node_name[1] = 0x00; 3545 nv->node_name[2] = 0x00; 3546 nv->node_name[3] = 0xe0; 3547 nv->node_name[4] = 0x8b; 3548 nv->node_name[5] = 0x1c; 3549 nv->node_name[6] = 0x55; 3550 nv->node_name[7] = 0x86; 3551 qla24xx_nvram_wwn_from_ofw(ha, nv); 3552 nv->login_retry_count = __constant_cpu_to_le16(8); 3553 nv->interrupt_delay_timer = __constant_cpu_to_le16(0); 3554 nv->login_timeout = __constant_cpu_to_le16(0); 3555 nv->firmware_options_1 = 3556 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 3557 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); 3558 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); 3559 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); 3560 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); 3561 nv->efi_parameters = __constant_cpu_to_le32(0); 3562 nv->reset_delay = 5; 3563 nv->max_luns_per_target = __constant_cpu_to_le16(128); 3564 nv->port_down_retry_count = __constant_cpu_to_le16(30); 3565 nv->link_down_timeout = __constant_cpu_to_le16(30); 3566 3567 rval = 1; 3568 } 3569 3570 /* Reset Initialization control block */ 3571 memset(icb, 0, sizeof(struct init_cb_24xx)); 3572 3573 /* Copy 1st segment. */ 3574 dptr1 = (uint8_t *)icb; 3575 dptr2 = (uint8_t *)&nv->version; 3576 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 3577 while (cnt--) 3578 *dptr1++ = *dptr2++; 3579 3580 icb->login_retry_count = nv->login_retry_count; 3581 icb->link_down_on_nos = nv->link_down_on_nos; 3582 3583 /* Copy 2nd segment. */ 3584 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 3585 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 3586 cnt = (uint8_t *)&icb->reserved_3 - 3587 (uint8_t *)&icb->interrupt_delay_timer; 3588 while (cnt--) 3589 *dptr1++ = *dptr2++; 3590 3591 /* 3592 * Setup driver NVRAM options. 3593 */ 3594 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name), 3595 "QLA2462"); 3596 3597 /* Use alternate WWN? */ 3598 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) { 3599 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 3600 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 3601 } 3602 3603 /* Prepare nodename */ 3604 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) { 3605 /* 3606 * Firmware will apply the following mask if the nodename was 3607 * not provided. 3608 */ 3609 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 3610 icb->node_name[0] &= 0xF0; 3611 } 3612 3613 /* Set host adapter parameters. */ 3614 ha->flags.disable_risc_code_load = 0; 3615 ha->flags.enable_lip_reset = 0; 3616 ha->flags.enable_lip_full_login = 3617 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0; 3618 ha->flags.enable_target_reset = 3619 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0; 3620 ha->flags.enable_led_scheme = 0; 3621 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0; 3622 3623 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & 3624 (BIT_6 | BIT_5 | BIT_4)) >> 4; 3625 3626 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 3627 sizeof(ha->fw_seriallink_options24)); 3628 3629 /* save HBA serial number */ 3630 ha->serial0 = icb->port_name[5]; 3631 ha->serial1 = icb->port_name[6]; 3632 ha->serial2 = icb->port_name[7]; 3633 ha->node_name = icb->node_name; 3634 ha->port_name = icb->port_name; 3635 3636 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3637 3638 ha->retry_count = le16_to_cpu(nv->login_retry_count); 3639 3640 /* Set minimum login_timeout to 4 seconds. */ 3641 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 3642 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 3643 if (le16_to_cpu(nv->login_timeout) < 4) 3644 nv->login_timeout = __constant_cpu_to_le16(4); 3645 ha->login_timeout = le16_to_cpu(nv->login_timeout); 3646 icb->login_timeout = cpu_to_le16(nv->login_timeout); 3647 3648 /* Set minimum RATOV to 100 tenths of a second. */ 3649 ha->r_a_tov = 100; 3650 3651 ha->loop_reset_delay = nv->reset_delay; 3652 3653 /* Link Down Timeout = 0: 3654 * 3655 * When Port Down timer expires we will start returning 3656 * I/O's to OS with "DID_NO_CONNECT". 3657 * 3658 * Link Down Timeout != 0: 3659 * 3660 * The driver waits for the link to come up after link down 3661 * before returning I/Os to OS with "DID_NO_CONNECT". 3662 */ 3663 if (le16_to_cpu(nv->link_down_timeout) == 0) { 3664 ha->loop_down_abort_time = 3665 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 3666 } else { 3667 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 3668 ha->loop_down_abort_time = 3669 (LOOP_DOWN_TIME - ha->link_down_timeout); 3670 } 3671 3672 /* Need enough time to try and get the port back. */ 3673 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 3674 if (qlport_down_retry) 3675 ha->port_down_retry_count = qlport_down_retry; 3676 3677 /* Set login_retry_count */ 3678 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 3679 if (ha->port_down_retry_count == 3680 le16_to_cpu(nv->port_down_retry_count) && 3681 ha->port_down_retry_count > 3) 3682 ha->login_retry_count = ha->port_down_retry_count; 3683 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 3684 ha->login_retry_count = ha->port_down_retry_count; 3685 if (ql2xloginretrycount) 3686 ha->login_retry_count = ql2xloginretrycount; 3687 3688 /* Enable ZIO. */ 3689 if (!ha->flags.init_done) { 3690 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 3691 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 3692 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 3693 le16_to_cpu(icb->interrupt_delay_timer): 2; 3694 } 3695 icb->firmware_options_2 &= __constant_cpu_to_le32( 3696 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 3697 ha->flags.process_response_queue = 0; 3698 if (ha->zio_mode != QLA_ZIO_DISABLED) { 3699 ha->zio_mode = QLA_ZIO_MODE_6; 3700 3701 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay " 3702 "(%d us).\n", ha->host_no, ha->zio_mode, 3703 ha->zio_timer * 100)); 3704 qla_printk(KERN_INFO, ha, 3705 "ZIO mode %d enabled; timer delay (%d us).\n", 3706 ha->zio_mode, ha->zio_timer * 100); 3707 3708 icb->firmware_options_2 |= cpu_to_le32( 3709 (uint32_t)ha->zio_mode); 3710 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 3711 ha->flags.process_response_queue = 1; 3712 } 3713 3714 if (rval) { 3715 DEBUG2_3(printk(KERN_WARNING 3716 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 3717 } 3718 return (rval); 3719 } 3720 3721 static int 3722 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3723 { 3724 int rval; 3725 int segments, fragment; 3726 uint32_t faddr; 3727 uint32_t *dcode, dlen; 3728 uint32_t risc_addr; 3729 uint32_t risc_size; 3730 uint32_t i; 3731 3732 rval = QLA_SUCCESS; 3733 3734 segments = FA_RISC_CODE_SEGMENTS; 3735 faddr = FA_RISC_CODE_ADDR; 3736 dcode = (uint32_t *)ha->request_ring; 3737 *srisc_addr = 0; 3738 3739 /* Validate firmware image by checking version. */ 3740 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); 3741 for (i = 0; i < 4; i++) 3742 dcode[i] = be32_to_cpu(dcode[i]); 3743 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3744 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3745 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3746 dcode[3] == 0)) { 3747 qla_printk(KERN_WARNING, ha, 3748 "Unable to verify integrity of flash firmware image!\n"); 3749 qla_printk(KERN_WARNING, ha, 3750 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3751 dcode[1], dcode[2], dcode[3]); 3752 3753 return QLA_FUNCTION_FAILED; 3754 } 3755 3756 while (segments && rval == QLA_SUCCESS) { 3757 /* Read segment's load information. */ 3758 qla24xx_read_flash_data(ha, dcode, faddr, 4); 3759 3760 risc_addr = be32_to_cpu(dcode[2]); 3761 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3762 risc_size = be32_to_cpu(dcode[3]); 3763 3764 fragment = 0; 3765 while (risc_size > 0 && rval == QLA_SUCCESS) { 3766 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3767 if (dlen > risc_size) 3768 dlen = risc_size; 3769 3770 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3771 "addr %x, number of dwords 0x%x, offset 0x%x.\n", 3772 ha->host_no, risc_addr, dlen, faddr)); 3773 3774 qla24xx_read_flash_data(ha, dcode, faddr, dlen); 3775 for (i = 0; i < dlen; i++) 3776 dcode[i] = swab32(dcode[i]); 3777 3778 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3779 dlen); 3780 if (rval) { 3781 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3782 "segment %d of firmware\n", ha->host_no, 3783 fragment)); 3784 qla_printk(KERN_WARNING, ha, 3785 "[ERROR] Failed to load segment %d of " 3786 "firmware\n", fragment); 3787 break; 3788 } 3789 3790 faddr += dlen; 3791 risc_addr += dlen; 3792 risc_size -= dlen; 3793 fragment++; 3794 } 3795 3796 /* Next segment. */ 3797 segments--; 3798 } 3799 3800 return rval; 3801 } 3802 3803 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/" 3804 3805 int 3806 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3807 { 3808 int rval; 3809 int i, fragment; 3810 uint16_t *wcode, *fwcode; 3811 uint32_t risc_addr, risc_size, fwclen, wlen, *seg; 3812 struct fw_blob *blob; 3813 3814 /* Load firmware blob. */ 3815 blob = qla2x00_request_firmware(ha); 3816 if (!blob) { 3817 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3818 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3819 "from: " QLA_FW_URL ".\n"); 3820 return QLA_FUNCTION_FAILED; 3821 } 3822 3823 rval = QLA_SUCCESS; 3824 3825 wcode = (uint16_t *)ha->request_ring; 3826 *srisc_addr = 0; 3827 fwcode = (uint16_t *)blob->fw->data; 3828 fwclen = 0; 3829 3830 /* Validate firmware image by checking version. */ 3831 if (blob->fw->size < 8 * sizeof(uint16_t)) { 3832 qla_printk(KERN_WARNING, ha, 3833 "Unable to verify integrity of firmware image (%Zd)!\n", 3834 blob->fw->size); 3835 goto fail_fw_integrity; 3836 } 3837 for (i = 0; i < 4; i++) 3838 wcode[i] = be16_to_cpu(fwcode[i + 4]); 3839 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && 3840 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && 3841 wcode[2] == 0 && wcode[3] == 0)) { 3842 qla_printk(KERN_WARNING, ha, 3843 "Unable to verify integrity of firmware image!\n"); 3844 qla_printk(KERN_WARNING, ha, 3845 "Firmware data: %04x %04x %04x %04x!\n", wcode[0], 3846 wcode[1], wcode[2], wcode[3]); 3847 goto fail_fw_integrity; 3848 } 3849 3850 seg = blob->segs; 3851 while (*seg && rval == QLA_SUCCESS) { 3852 risc_addr = *seg; 3853 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; 3854 risc_size = be16_to_cpu(fwcode[3]); 3855 3856 /* Validate firmware image size. */ 3857 fwclen += risc_size * sizeof(uint16_t); 3858 if (blob->fw->size < fwclen) { 3859 qla_printk(KERN_WARNING, ha, 3860 "Unable to verify integrity of firmware image " 3861 "(%Zd)!\n", blob->fw->size); 3862 goto fail_fw_integrity; 3863 } 3864 3865 fragment = 0; 3866 while (risc_size > 0 && rval == QLA_SUCCESS) { 3867 wlen = (uint16_t)(ha->fw_transfer_size >> 1); 3868 if (wlen > risc_size) 3869 wlen = risc_size; 3870 3871 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3872 "addr %x, number of words 0x%x.\n", ha->host_no, 3873 risc_addr, wlen)); 3874 3875 for (i = 0; i < wlen; i++) 3876 wcode[i] = swab16(fwcode[i]); 3877 3878 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3879 wlen); 3880 if (rval) { 3881 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3882 "segment %d of firmware\n", ha->host_no, 3883 fragment)); 3884 qla_printk(KERN_WARNING, ha, 3885 "[ERROR] Failed to load segment %d of " 3886 "firmware\n", fragment); 3887 break; 3888 } 3889 3890 fwcode += wlen; 3891 risc_addr += wlen; 3892 risc_size -= wlen; 3893 fragment++; 3894 } 3895 3896 /* Next segment. */ 3897 seg++; 3898 } 3899 return rval; 3900 3901 fail_fw_integrity: 3902 return QLA_FUNCTION_FAILED; 3903 } 3904 3905 int 3906 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3907 { 3908 int rval; 3909 int segments, fragment; 3910 uint32_t *dcode, dlen; 3911 uint32_t risc_addr; 3912 uint32_t risc_size; 3913 uint32_t i; 3914 struct fw_blob *blob; 3915 uint32_t *fwcode, fwclen; 3916 3917 /* Load firmware blob. */ 3918 blob = qla2x00_request_firmware(ha); 3919 if (!blob) { 3920 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3921 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3922 "from: " QLA_FW_URL ".\n"); 3923 3924 /* Try to load RISC code from flash. */ 3925 qla_printk(KERN_ERR, ha, "Attempting to load (potentially " 3926 "outdated) firmware from flash.\n"); 3927 return qla24xx_load_risc_flash(ha, srisc_addr); 3928 } 3929 3930 rval = QLA_SUCCESS; 3931 3932 segments = FA_RISC_CODE_SEGMENTS; 3933 dcode = (uint32_t *)ha->request_ring; 3934 *srisc_addr = 0; 3935 fwcode = (uint32_t *)blob->fw->data; 3936 fwclen = 0; 3937 3938 /* Validate firmware image by checking version. */ 3939 if (blob->fw->size < 8 * sizeof(uint32_t)) { 3940 qla_printk(KERN_WARNING, ha, 3941 "Unable to verify integrity of firmware image (%Zd)!\n", 3942 blob->fw->size); 3943 goto fail_fw_integrity; 3944 } 3945 for (i = 0; i < 4; i++) 3946 dcode[i] = be32_to_cpu(fwcode[i + 4]); 3947 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3948 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3949 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3950 dcode[3] == 0)) { 3951 qla_printk(KERN_WARNING, ha, 3952 "Unable to verify integrity of firmware image!\n"); 3953 qla_printk(KERN_WARNING, ha, 3954 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3955 dcode[1], dcode[2], dcode[3]); 3956 goto fail_fw_integrity; 3957 } 3958 3959 while (segments && rval == QLA_SUCCESS) { 3960 risc_addr = be32_to_cpu(fwcode[2]); 3961 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3962 risc_size = be32_to_cpu(fwcode[3]); 3963 3964 /* Validate firmware image size. */ 3965 fwclen += risc_size * sizeof(uint32_t); 3966 if (blob->fw->size < fwclen) { 3967 qla_printk(KERN_WARNING, ha, 3968 "Unable to verify integrity of firmware image " 3969 "(%Zd)!\n", blob->fw->size); 3970 3971 goto fail_fw_integrity; 3972 } 3973 3974 fragment = 0; 3975 while (risc_size > 0 && rval == QLA_SUCCESS) { 3976 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3977 if (dlen > risc_size) 3978 dlen = risc_size; 3979 3980 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3981 "addr %x, number of dwords 0x%x.\n", ha->host_no, 3982 risc_addr, dlen)); 3983 3984 for (i = 0; i < dlen; i++) 3985 dcode[i] = swab32(fwcode[i]); 3986 3987 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3988 dlen); 3989 if (rval) { 3990 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3991 "segment %d of firmware\n", ha->host_no, 3992 fragment)); 3993 qla_printk(KERN_WARNING, ha, 3994 "[ERROR] Failed to load segment %d of " 3995 "firmware\n", fragment); 3996 break; 3997 } 3998 3999 fwcode += dlen; 4000 risc_addr += dlen; 4001 risc_size -= dlen; 4002 fragment++; 4003 } 4004 4005 /* Next segment. */ 4006 segments--; 4007 } 4008 return rval; 4009 4010 fail_fw_integrity: 4011 return QLA_FUNCTION_FAILED; 4012 } 4013 4014 void 4015 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha) 4016 { 4017 int ret, retries; 4018 4019 if (!IS_FWI2_CAPABLE(ha)) 4020 return; 4021 if (!ha->fw_major_version) 4022 return; 4023 4024 ret = qla2x00_stop_firmware(ha); 4025 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT && 4026 retries ; retries--) { 4027 qla2x00_reset_chip(ha); 4028 if (qla2x00_chip_diag(ha) != QLA_SUCCESS) 4029 continue; 4030 if (qla2x00_setup_chip(ha) != QLA_SUCCESS) 4031 continue; 4032 qla_printk(KERN_INFO, ha, 4033 "Attempting retry of stop-firmware command...\n"); 4034 ret = qla2x00_stop_firmware(ha); 4035 } 4036 } 4037 4038 int 4039 qla24xx_configure_vhba(scsi_qla_host_t *ha) 4040 { 4041 int rval = QLA_SUCCESS; 4042 uint16_t mb[MAILBOX_REGISTER_COUNT]; 4043 4044 if (!ha->parent) 4045 return -EINVAL; 4046 4047 rval = qla2x00_fw_ready(ha); 4048 if (rval == QLA_SUCCESS) { 4049 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 4050 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 4051 } 4052 4053 ha->flags.management_server_logged_in = 0; 4054 4055 /* Login to SNS first */ 4056 qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc, 4057 mb, BIT_1); 4058 if (mb[0] != MBS_COMMAND_COMPLETE) { 4059 DEBUG15(qla_printk(KERN_INFO, ha, 4060 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 4061 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS, 4062 mb[0], mb[1], mb[2], mb[6], mb[7])); 4063 return (QLA_FUNCTION_FAILED); 4064 } 4065 4066 atomic_set(&ha->loop_down_timer, 0); 4067 atomic_set(&ha->loop_state, LOOP_UP); 4068 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 4069 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 4070 rval = qla2x00_loop_resync(ha); 4071 4072 return rval; 4073 } 4074