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 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */ 15 #ifndef EXT_IS_LUN_BIT_SET 16 #define EXT_IS_LUN_BIT_SET(P,L) \ 17 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0) 18 #define EXT_SET_LUN_BIT(P,L) \ 19 ((P)->mask[L/8] |= (0x80 >> (L%8))) 20 #endif 21 22 /* 23 * QLogic ISP2x00 Hardware Support Function Prototypes. 24 */ 25 static int qla2x00_isp_firmware(scsi_qla_host_t *); 26 static void qla2x00_resize_request_q(scsi_qla_host_t *); 27 static int qla2x00_setup_chip(scsi_qla_host_t *); 28 static void qla2x00_init_response_q_entries(scsi_qla_host_t *); 29 static int qla2x00_init_rings(scsi_qla_host_t *); 30 static int qla2x00_fw_ready(scsi_qla_host_t *); 31 static int qla2x00_configure_hba(scsi_qla_host_t *); 32 static int qla2x00_configure_loop(scsi_qla_host_t *); 33 static int qla2x00_configure_local_loop(scsi_qla_host_t *); 34 static int qla2x00_configure_fabric(scsi_qla_host_t *); 35 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); 36 static int qla2x00_device_resync(scsi_qla_host_t *); 37 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, 38 uint16_t *); 39 40 static int qla2x00_restart_isp(scsi_qla_host_t *); 41 42 /****************************************************************************/ 43 /* QLogic ISP2x00 Hardware Support Functions. */ 44 /****************************************************************************/ 45 46 /* 47 * qla2x00_initialize_adapter 48 * Initialize board. 49 * 50 * Input: 51 * ha = adapter block pointer. 52 * 53 * Returns: 54 * 0 = success 55 */ 56 int 57 qla2x00_initialize_adapter(scsi_qla_host_t *ha) 58 { 59 int rval; 60 uint8_t restart_risc = 0; 61 uint8_t retry; 62 uint32_t wait_time; 63 64 /* Clear adapter flags. */ 65 ha->flags.online = 0; 66 ha->flags.reset_active = 0; 67 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 68 atomic_set(&ha->loop_state, LOOP_DOWN); 69 ha->device_flags = 0; 70 ha->dpc_flags = 0; 71 ha->flags.management_server_logged_in = 0; 72 ha->marker_needed = 0; 73 ha->mbx_flags = 0; 74 ha->isp_abort_cnt = 0; 75 ha->beacon_blink_led = 0; 76 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); 77 78 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 79 rval = ha->isp_ops.pci_config(ha); 80 if (rval) { 81 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n", 82 ha->host_no)); 83 return (rval); 84 } 85 86 ha->isp_ops.reset_chip(ha); 87 88 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); 89 90 ha->isp_ops.nvram_config(ha); 91 92 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); 93 94 retry = 10; 95 /* 96 * Try to configure the loop. 97 */ 98 do { 99 restart_risc = 0; 100 101 /* If firmware needs to be loaded */ 102 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { 103 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) { 104 rval = qla2x00_setup_chip(ha); 105 } 106 } 107 108 if (rval == QLA_SUCCESS && 109 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) { 110 check_fw_ready_again: 111 /* 112 * Wait for a successful LIP up to a maximum 113 * of (in seconds): RISC login timeout value, 114 * RISC retry count value, and port down retry 115 * value OR a minimum of 4 seconds OR If no 116 * cable, only 5 seconds. 117 */ 118 rval = qla2x00_fw_ready(ha); 119 if (rval == QLA_SUCCESS) { 120 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 121 122 /* Issue a marker after FW becomes ready. */ 123 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 124 125 /* 126 * Wait at most MAX_TARGET RSCNs for a stable 127 * link. 128 */ 129 wait_time = 256; 130 do { 131 clear_bit(LOOP_RESYNC_NEEDED, 132 &ha->dpc_flags); 133 rval = qla2x00_configure_loop(ha); 134 135 if (test_and_clear_bit(ISP_ABORT_NEEDED, 136 &ha->dpc_flags)) { 137 restart_risc = 1; 138 break; 139 } 140 141 /* 142 * If loop state change while we were 143 * discoverying devices then wait for 144 * LIP to complete 145 */ 146 147 if (atomic_read(&ha->loop_state) != 148 LOOP_READY && retry--) { 149 goto check_fw_ready_again; 150 } 151 wait_time--; 152 } while (!atomic_read(&ha->loop_down_timer) && 153 retry && 154 wait_time && 155 (test_bit(LOOP_RESYNC_NEEDED, 156 &ha->dpc_flags))); 157 158 if (wait_time == 0) 159 rval = QLA_FUNCTION_FAILED; 160 } else if (ha->device_flags & DFLG_NO_CABLE) 161 /* If no cable, then all is good. */ 162 rval = QLA_SUCCESS; 163 } 164 } while (restart_risc && retry--); 165 166 if (rval == QLA_SUCCESS) { 167 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 168 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 169 ha->marker_needed = 0; 170 171 ha->flags.online = 1; 172 } else { 173 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 174 } 175 176 return (rval); 177 } 178 179 /** 180 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. 181 * @ha: HA context 182 * 183 * Returns 0 on success. 184 */ 185 int 186 qla2100_pci_config(scsi_qla_host_t *ha) 187 { 188 uint16_t w, mwi; 189 uint32_t d; 190 unsigned long flags; 191 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 192 193 pci_set_master(ha->pdev); 194 mwi = 0; 195 if (pci_set_mwi(ha->pdev)) 196 mwi = PCI_COMMAND_INVALIDATE; 197 198 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 199 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 200 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 201 202 /* Reset expansion ROM address decode enable */ 203 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 204 d &= ~PCI_ROM_ADDRESS_ENABLE; 205 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 206 207 /* Get PCI bus information. */ 208 spin_lock_irqsave(&ha->hardware_lock, flags); 209 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 210 spin_unlock_irqrestore(&ha->hardware_lock, flags); 211 212 return QLA_SUCCESS; 213 } 214 215 /** 216 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. 217 * @ha: HA context 218 * 219 * Returns 0 on success. 220 */ 221 int 222 qla2300_pci_config(scsi_qla_host_t *ha) 223 { 224 uint16_t w, mwi; 225 uint32_t d; 226 unsigned long flags = 0; 227 uint32_t cnt; 228 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 229 230 pci_set_master(ha->pdev); 231 mwi = 0; 232 if (pci_set_mwi(ha->pdev)) 233 mwi = PCI_COMMAND_INVALIDATE; 234 235 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 236 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 237 238 if (IS_QLA2322(ha) || IS_QLA6322(ha)) 239 w &= ~PCI_COMMAND_INTX_DISABLE; 240 241 /* 242 * If this is a 2300 card and not 2312, reset the 243 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, 244 * the 2310 also reports itself as a 2300 so we need to get the 245 * fb revision level -- a 6 indicates it really is a 2300 and 246 * not a 2310. 247 */ 248 if (IS_QLA2300(ha)) { 249 spin_lock_irqsave(&ha->hardware_lock, flags); 250 251 /* Pause RISC. */ 252 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 253 for (cnt = 0; cnt < 30000; cnt++) { 254 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) != 0) 255 break; 256 257 udelay(10); 258 } 259 260 /* Select FPM registers. */ 261 WRT_REG_WORD(®->ctrl_status, 0x20); 262 RD_REG_WORD(®->ctrl_status); 263 264 /* Get the fb rev level */ 265 ha->fb_rev = RD_FB_CMD_REG(ha, reg); 266 267 if (ha->fb_rev == FPM_2300) 268 w &= ~PCI_COMMAND_INVALIDATE; 269 270 /* Deselect FPM registers. */ 271 WRT_REG_WORD(®->ctrl_status, 0x0); 272 RD_REG_WORD(®->ctrl_status); 273 274 /* Release RISC module. */ 275 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 276 for (cnt = 0; cnt < 30000; cnt++) { 277 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0) 278 break; 279 280 udelay(10); 281 } 282 283 spin_unlock_irqrestore(&ha->hardware_lock, flags); 284 } 285 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 286 287 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 288 289 /* Reset expansion ROM address decode enable */ 290 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 291 d &= ~PCI_ROM_ADDRESS_ENABLE; 292 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 293 294 /* Get PCI bus information. */ 295 spin_lock_irqsave(&ha->hardware_lock, flags); 296 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 297 spin_unlock_irqrestore(&ha->hardware_lock, flags); 298 299 return QLA_SUCCESS; 300 } 301 302 /** 303 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers. 304 * @ha: HA context 305 * 306 * Returns 0 on success. 307 */ 308 int 309 qla24xx_pci_config(scsi_qla_host_t *ha) 310 { 311 uint16_t w, mwi; 312 uint32_t d; 313 unsigned long flags = 0; 314 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 315 int pcix_cmd_reg, pcie_dctl_reg; 316 317 pci_set_master(ha->pdev); 318 mwi = 0; 319 if (pci_set_mwi(ha->pdev)) 320 mwi = PCI_COMMAND_INVALIDATE; 321 322 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 323 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 324 w &= ~PCI_COMMAND_INTX_DISABLE; 325 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 326 327 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 328 329 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */ 330 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX); 331 if (pcix_cmd_reg) { 332 uint16_t pcix_cmd; 333 334 pcix_cmd_reg += PCI_X_CMD; 335 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd); 336 pcix_cmd &= ~PCI_X_CMD_MAX_READ; 337 pcix_cmd |= 0x0008; 338 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd); 339 } 340 341 /* PCIe -- adjust Maximum Read Request Size (2048). */ 342 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); 343 if (pcie_dctl_reg) { 344 uint16_t pcie_dctl; 345 346 pcie_dctl_reg += PCI_EXP_DEVCTL; 347 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl); 348 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ; 349 pcie_dctl |= 0x4000; 350 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl); 351 } 352 353 /* Reset expansion ROM address decode enable */ 354 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 355 d &= ~PCI_ROM_ADDRESS_ENABLE; 356 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 357 358 /* Get PCI bus information. */ 359 spin_lock_irqsave(&ha->hardware_lock, flags); 360 ha->pci_attr = RD_REG_DWORD(®->ctrl_status); 361 spin_unlock_irqrestore(&ha->hardware_lock, flags); 362 363 return QLA_SUCCESS; 364 } 365 366 /** 367 * qla2x00_isp_firmware() - Choose firmware image. 368 * @ha: HA context 369 * 370 * Returns 0 on success. 371 */ 372 static int 373 qla2x00_isp_firmware(scsi_qla_host_t *ha) 374 { 375 int rval; 376 377 /* Assume loading risc code */ 378 rval = QLA_FUNCTION_FAILED; 379 380 if (ha->flags.disable_risc_code_load) { 381 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", 382 ha->host_no)); 383 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); 384 385 /* Verify checksum of loaded RISC code. */ 386 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address); 387 } 388 389 if (rval) { 390 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", 391 ha->host_no)); 392 } 393 394 return (rval); 395 } 396 397 /** 398 * qla2x00_reset_chip() - Reset ISP chip. 399 * @ha: HA context 400 * 401 * Returns 0 on success. 402 */ 403 void 404 qla2x00_reset_chip(scsi_qla_host_t *ha) 405 { 406 unsigned long flags = 0; 407 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 408 uint32_t cnt; 409 uint16_t cmd; 410 411 ha->isp_ops.disable_intrs(ha); 412 413 spin_lock_irqsave(&ha->hardware_lock, flags); 414 415 /* Turn off master enable */ 416 cmd = 0; 417 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); 418 cmd &= ~PCI_COMMAND_MASTER; 419 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 420 421 if (!IS_QLA2100(ha)) { 422 /* Pause RISC. */ 423 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 424 if (IS_QLA2200(ha) || IS_QLA2300(ha)) { 425 for (cnt = 0; cnt < 30000; cnt++) { 426 if ((RD_REG_WORD(®->hccr) & 427 HCCR_RISC_PAUSE) != 0) 428 break; 429 udelay(100); 430 } 431 } else { 432 RD_REG_WORD(®->hccr); /* PCI Posting. */ 433 udelay(10); 434 } 435 436 /* Select FPM registers. */ 437 WRT_REG_WORD(®->ctrl_status, 0x20); 438 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 439 440 /* FPM Soft Reset. */ 441 WRT_REG_WORD(®->fpm_diag_config, 0x100); 442 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 443 444 /* Toggle Fpm Reset. */ 445 if (!IS_QLA2200(ha)) { 446 WRT_REG_WORD(®->fpm_diag_config, 0x0); 447 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 448 } 449 450 /* Select frame buffer registers. */ 451 WRT_REG_WORD(®->ctrl_status, 0x10); 452 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 453 454 /* Reset frame buffer FIFOs. */ 455 if (IS_QLA2200(ha)) { 456 WRT_FB_CMD_REG(ha, reg, 0xa000); 457 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ 458 } else { 459 WRT_FB_CMD_REG(ha, reg, 0x00fc); 460 461 /* Read back fb_cmd until zero or 3 seconds max */ 462 for (cnt = 0; cnt < 3000; cnt++) { 463 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) 464 break; 465 udelay(100); 466 } 467 } 468 469 /* Select RISC module registers. */ 470 WRT_REG_WORD(®->ctrl_status, 0); 471 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 472 473 /* Reset RISC processor. */ 474 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 475 RD_REG_WORD(®->hccr); /* PCI Posting. */ 476 477 /* Release RISC processor. */ 478 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 479 RD_REG_WORD(®->hccr); /* PCI Posting. */ 480 } 481 482 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 483 WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); 484 485 /* Reset ISP chip. */ 486 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 487 488 /* Wait for RISC to recover from reset. */ 489 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 490 /* 491 * It is necessary to for a delay here since the card doesn't 492 * respond to PCI reads during a reset. On some architectures 493 * this will result in an MCA. 494 */ 495 udelay(20); 496 for (cnt = 30000; cnt; cnt--) { 497 if ((RD_REG_WORD(®->ctrl_status) & 498 CSR_ISP_SOFT_RESET) == 0) 499 break; 500 udelay(100); 501 } 502 } else 503 udelay(10); 504 505 /* Reset RISC processor. */ 506 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 507 508 WRT_REG_WORD(®->semaphore, 0); 509 510 /* Release RISC processor. */ 511 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 512 RD_REG_WORD(®->hccr); /* PCI Posting. */ 513 514 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 515 for (cnt = 0; cnt < 30000; cnt++) { 516 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) 517 break; 518 519 udelay(100); 520 } 521 } else 522 udelay(100); 523 524 /* Turn on master enable */ 525 cmd |= PCI_COMMAND_MASTER; 526 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 527 528 /* Disable RISC pause on FPM parity error. */ 529 if (!IS_QLA2100(ha)) { 530 WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); 531 RD_REG_WORD(®->hccr); /* PCI Posting. */ 532 } 533 534 spin_unlock_irqrestore(&ha->hardware_lock, flags); 535 } 536 537 /** 538 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC. 539 * @ha: HA context 540 * 541 * Returns 0 on success. 542 */ 543 static inline void 544 qla24xx_reset_risc(scsi_qla_host_t *ha) 545 { 546 unsigned long flags = 0; 547 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 548 uint32_t cnt, d2; 549 uint16_t wd; 550 551 spin_lock_irqsave(&ha->hardware_lock, flags); 552 553 /* Reset RISC. */ 554 WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 555 for (cnt = 0; cnt < 30000; cnt++) { 556 if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) 557 break; 558 559 udelay(10); 560 } 561 562 WRT_REG_DWORD(®->ctrl_status, 563 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 564 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd); 565 566 udelay(100); 567 /* Wait for firmware to complete NVRAM accesses. */ 568 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 569 for (cnt = 10000 ; cnt && d2; cnt--) { 570 udelay(5); 571 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 572 barrier(); 573 } 574 575 /* Wait for soft-reset to complete. */ 576 d2 = RD_REG_DWORD(®->ctrl_status); 577 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) { 578 udelay(5); 579 d2 = RD_REG_DWORD(®->ctrl_status); 580 barrier(); 581 } 582 583 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 584 RD_REG_DWORD(®->hccr); 585 586 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 587 RD_REG_DWORD(®->hccr); 588 589 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET); 590 RD_REG_DWORD(®->hccr); 591 592 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 593 for (cnt = 6000000 ; cnt && d2; cnt--) { 594 udelay(5); 595 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 596 barrier(); 597 } 598 599 spin_unlock_irqrestore(&ha->hardware_lock, flags); 600 } 601 602 /** 603 * qla24xx_reset_chip() - Reset ISP24xx chip. 604 * @ha: HA context 605 * 606 * Returns 0 on success. 607 */ 608 void 609 qla24xx_reset_chip(scsi_qla_host_t *ha) 610 { 611 ha->isp_ops.disable_intrs(ha); 612 613 /* Perform RISC reset. */ 614 qla24xx_reset_risc(ha); 615 } 616 617 /** 618 * qla2x00_chip_diag() - Test chip for proper operation. 619 * @ha: HA context 620 * 621 * Returns 0 on success. 622 */ 623 int 624 qla2x00_chip_diag(scsi_qla_host_t *ha) 625 { 626 int rval; 627 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 628 unsigned long flags = 0; 629 uint16_t data; 630 uint32_t cnt; 631 uint16_t mb[5]; 632 633 /* Assume a failed state */ 634 rval = QLA_FUNCTION_FAILED; 635 636 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", 637 ha->host_no, (u_long)®->flash_address)); 638 639 spin_lock_irqsave(&ha->hardware_lock, flags); 640 641 /* Reset ISP chip. */ 642 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 643 644 /* 645 * We need to have a delay here since the card will not respond while 646 * in reset causing an MCA on some architectures. 647 */ 648 udelay(20); 649 data = qla2x00_debounce_register(®->ctrl_status); 650 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { 651 udelay(5); 652 data = RD_REG_WORD(®->ctrl_status); 653 barrier(); 654 } 655 656 if (!cnt) 657 goto chip_diag_failed; 658 659 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", 660 ha->host_no)); 661 662 /* Reset RISC processor. */ 663 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 664 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 665 666 /* Workaround for QLA2312 PCI parity error */ 667 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 668 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); 669 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { 670 udelay(5); 671 data = RD_MAILBOX_REG(ha, reg, 0); 672 barrier(); 673 } 674 } else 675 udelay(10); 676 677 if (!cnt) 678 goto chip_diag_failed; 679 680 /* Check product ID of chip */ 681 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); 682 683 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 684 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 685 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 686 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); 687 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || 688 mb[3] != PROD_ID_3) { 689 qla_printk(KERN_WARNING, ha, 690 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); 691 692 goto chip_diag_failed; 693 } 694 ha->product_id[0] = mb[1]; 695 ha->product_id[1] = mb[2]; 696 ha->product_id[2] = mb[3]; 697 ha->product_id[3] = mb[4]; 698 699 /* Adjust fw RISC transfer size */ 700 if (ha->request_q_length > 1024) 701 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 702 else 703 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 704 ha->request_q_length; 705 706 if (IS_QLA2200(ha) && 707 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { 708 /* Limit firmware transfer size with a 2200A */ 709 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", 710 ha->host_no)); 711 712 ha->device_type |= DT_ISP2200A; 713 ha->fw_transfer_size = 128; 714 } 715 716 /* Wrap Incoming Mailboxes Test. */ 717 spin_unlock_irqrestore(&ha->hardware_lock, flags); 718 719 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); 720 rval = qla2x00_mbx_reg_test(ha); 721 if (rval) { 722 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 723 ha->host_no)); 724 qla_printk(KERN_WARNING, ha, 725 "Failed mailbox send register test\n"); 726 } 727 else { 728 /* Flag a successful rval */ 729 rval = QLA_SUCCESS; 730 } 731 spin_lock_irqsave(&ha->hardware_lock, flags); 732 733 chip_diag_failed: 734 if (rval) 735 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " 736 "****\n", ha->host_no)); 737 738 spin_unlock_irqrestore(&ha->hardware_lock, flags); 739 740 return (rval); 741 } 742 743 /** 744 * qla24xx_chip_diag() - Test ISP24xx for proper operation. 745 * @ha: HA context 746 * 747 * Returns 0 on success. 748 */ 749 int 750 qla24xx_chip_diag(scsi_qla_host_t *ha) 751 { 752 int rval; 753 754 /* Perform RISC reset. */ 755 qla24xx_reset_risc(ha); 756 757 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 758 759 rval = qla2x00_mbx_reg_test(ha); 760 if (rval) { 761 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 762 ha->host_no)); 763 qla_printk(KERN_WARNING, ha, 764 "Failed mailbox send register test\n"); 765 } else { 766 /* Flag a successful rval */ 767 rval = QLA_SUCCESS; 768 } 769 770 return rval; 771 } 772 773 static void 774 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) 775 { 776 uint32_t dump_size = 0; 777 778 ha->fw_dumped = 0; 779 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 780 dump_size = sizeof(struct qla2100_fw_dump); 781 } else if (IS_QLA23XX(ha)) { 782 dump_size = sizeof(struct qla2300_fw_dump); 783 dump_size += (ha->fw_memory_size - 0x11000) * sizeof(uint16_t); 784 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { 785 dump_size = sizeof(struct qla24xx_fw_dump); 786 dump_size += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t); 787 } 788 789 ha->fw_dump = vmalloc(dump_size); 790 if (ha->fw_dump) 791 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware " 792 "dump...\n", dump_size / 1024); 793 else 794 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for " 795 "firmware dump!!!\n", dump_size / 1024); 796 } 797 798 /** 799 * qla2x00_resize_request_q() - Resize request queue given available ISP memory. 800 * @ha: HA context 801 * 802 * Returns 0 on success. 803 */ 804 static void 805 qla2x00_resize_request_q(scsi_qla_host_t *ha) 806 { 807 int rval; 808 uint16_t fw_iocb_cnt = 0; 809 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; 810 dma_addr_t request_dma; 811 request_t *request_ring; 812 813 qla2x00_alloc_fw_dump(ha); 814 815 /* Valid only on recent ISPs. */ 816 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 817 return; 818 819 /* Retrieve IOCB counts available to the firmware. */ 820 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt); 821 if (rval) 822 return; 823 /* No point in continuing if current settings are sufficient. */ 824 if (fw_iocb_cnt < 1024) 825 return; 826 if (ha->request_q_length >= request_q_length) 827 return; 828 829 /* Attempt to claim larger area for request queue. */ 830 request_ring = dma_alloc_coherent(&ha->pdev->dev, 831 (request_q_length + 1) * sizeof(request_t), &request_dma, 832 GFP_KERNEL); 833 if (request_ring == NULL) 834 return; 835 836 /* Resize successful, report extensions. */ 837 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", 838 (ha->fw_memory_size + 1) / 1024); 839 qla_printk(KERN_INFO, ha, "Resizing request queue depth " 840 "(%d -> %d)...\n", ha->request_q_length, request_q_length); 841 842 /* Clear old allocations. */ 843 dma_free_coherent(&ha->pdev->dev, 844 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, 845 ha->request_dma); 846 847 /* Begin using larger queue. */ 848 ha->request_q_length = request_q_length; 849 ha->request_ring = request_ring; 850 ha->request_dma = request_dma; 851 } 852 853 /** 854 * qla2x00_setup_chip() - Load and start RISC firmware. 855 * @ha: HA context 856 * 857 * Returns 0 on success. 858 */ 859 static int 860 qla2x00_setup_chip(scsi_qla_host_t *ha) 861 { 862 int rval; 863 uint32_t srisc_address = 0; 864 865 /* Load firmware sequences */ 866 rval = ha->isp_ops.load_risc(ha, &srisc_address); 867 if (rval == QLA_SUCCESS) { 868 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " 869 "code.\n", ha->host_no)); 870 871 rval = qla2x00_verify_checksum(ha, srisc_address); 872 if (rval == QLA_SUCCESS) { 873 /* Start firmware execution. */ 874 DEBUG(printk("scsi(%ld): Checksum OK, start " 875 "firmware.\n", ha->host_no)); 876 877 rval = qla2x00_execute_fw(ha, srisc_address); 878 /* Retrieve firmware information. */ 879 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { 880 qla2x00_get_fw_version(ha, 881 &ha->fw_major_version, 882 &ha->fw_minor_version, 883 &ha->fw_subminor_version, 884 &ha->fw_attributes, &ha->fw_memory_size); 885 qla2x00_resize_request_q(ha); 886 } 887 } else { 888 DEBUG2(printk(KERN_INFO 889 "scsi(%ld): ISP Firmware failed checksum.\n", 890 ha->host_no)); 891 } 892 } 893 894 if (rval) { 895 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", 896 ha->host_no)); 897 } 898 899 return (rval); 900 } 901 902 /** 903 * qla2x00_init_response_q_entries() - Initializes response queue entries. 904 * @ha: HA context 905 * 906 * Beginning of request ring has initialization control block already built 907 * by nvram config routine. 908 * 909 * Returns 0 on success. 910 */ 911 static void 912 qla2x00_init_response_q_entries(scsi_qla_host_t *ha) 913 { 914 uint16_t cnt; 915 response_t *pkt; 916 917 pkt = ha->response_ring_ptr; 918 for (cnt = 0; cnt < ha->response_q_length; cnt++) { 919 pkt->signature = RESPONSE_PROCESSED; 920 pkt++; 921 } 922 923 } 924 925 /** 926 * qla2x00_update_fw_options() - Read and process firmware options. 927 * @ha: HA context 928 * 929 * Returns 0 on success. 930 */ 931 void 932 qla2x00_update_fw_options(scsi_qla_host_t *ha) 933 { 934 uint16_t swing, emphasis, tx_sens, rx_sens; 935 936 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 937 qla2x00_get_fw_options(ha, ha->fw_options); 938 939 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 940 return; 941 942 /* Serial Link options. */ 943 DEBUG3(printk("scsi(%ld): Serial link options:\n", 944 ha->host_no)); 945 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, 946 sizeof(ha->fw_seriallink_options))); 947 948 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 949 if (ha->fw_seriallink_options[3] & BIT_2) { 950 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 951 952 /* 1G settings */ 953 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 954 emphasis = (ha->fw_seriallink_options[2] & 955 (BIT_4 | BIT_3)) >> 3; 956 tx_sens = ha->fw_seriallink_options[0] & 957 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 958 rx_sens = (ha->fw_seriallink_options[0] & 959 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 960 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 961 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 962 if (rx_sens == 0x0) 963 rx_sens = 0x3; 964 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 965 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 966 ha->fw_options[10] |= BIT_5 | 967 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 968 (tx_sens & (BIT_1 | BIT_0)); 969 970 /* 2G settings */ 971 swing = (ha->fw_seriallink_options[2] & 972 (BIT_7 | BIT_6 | BIT_5)) >> 5; 973 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 974 tx_sens = ha->fw_seriallink_options[1] & 975 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 976 rx_sens = (ha->fw_seriallink_options[1] & 977 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 978 ha->fw_options[11] = (emphasis << 14) | (swing << 8); 979 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 980 if (rx_sens == 0x0) 981 rx_sens = 0x3; 982 ha->fw_options[11] |= (tx_sens << 4) | rx_sens; 983 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 984 ha->fw_options[11] |= BIT_5 | 985 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 986 (tx_sens & (BIT_1 | BIT_0)); 987 } 988 989 /* FCP2 options. */ 990 /* Return command IOCBs without waiting for an ABTS to complete. */ 991 ha->fw_options[3] |= BIT_13; 992 993 /* LED scheme. */ 994 if (ha->flags.enable_led_scheme) 995 ha->fw_options[2] |= BIT_12; 996 997 /* Detect ISP6312. */ 998 if (IS_QLA6312(ha)) 999 ha->fw_options[2] |= BIT_13; 1000 1001 /* Update firmware options. */ 1002 qla2x00_set_fw_options(ha, ha->fw_options); 1003 } 1004 1005 void 1006 qla24xx_update_fw_options(scsi_qla_host_t *ha) 1007 { 1008 int rval; 1009 1010 /* Update Serial Link options. */ 1011 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0) 1012 return; 1013 1014 rval = qla2x00_set_serdes_params(ha, 1015 le16_to_cpu(ha->fw_seriallink_options24[1]), 1016 le16_to_cpu(ha->fw_seriallink_options24[2]), 1017 le16_to_cpu(ha->fw_seriallink_options24[3])); 1018 if (rval != QLA_SUCCESS) { 1019 qla_printk(KERN_WARNING, ha, 1020 "Unable to update Serial Link options (%x).\n", rval); 1021 } 1022 } 1023 1024 void 1025 qla2x00_config_rings(struct scsi_qla_host *ha) 1026 { 1027 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1028 1029 /* Setup ring parameters in initialization control block. */ 1030 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); 1031 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); 1032 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); 1033 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); 1034 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1035 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1036 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1037 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1038 1039 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); 1040 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); 1041 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); 1042 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); 1043 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 1044 } 1045 1046 void 1047 qla24xx_config_rings(struct scsi_qla_host *ha) 1048 { 1049 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1050 struct init_cb_24xx *icb; 1051 1052 /* Setup ring parameters in initialization control block. */ 1053 icb = (struct init_cb_24xx *)ha->init_cb; 1054 icb->request_q_outpointer = __constant_cpu_to_le16(0); 1055 icb->response_q_inpointer = __constant_cpu_to_le16(0); 1056 icb->request_q_length = cpu_to_le16(ha->request_q_length); 1057 icb->response_q_length = cpu_to_le16(ha->response_q_length); 1058 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1059 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1060 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1061 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1062 1063 WRT_REG_DWORD(®->req_q_in, 0); 1064 WRT_REG_DWORD(®->req_q_out, 0); 1065 WRT_REG_DWORD(®->rsp_q_in, 0); 1066 WRT_REG_DWORD(®->rsp_q_out, 0); 1067 RD_REG_DWORD(®->rsp_q_out); 1068 } 1069 1070 /** 1071 * qla2x00_init_rings() - Initializes firmware. 1072 * @ha: HA context 1073 * 1074 * Beginning of request ring has initialization control block already built 1075 * by nvram config routine. 1076 * 1077 * Returns 0 on success. 1078 */ 1079 static int 1080 qla2x00_init_rings(scsi_qla_host_t *ha) 1081 { 1082 int rval; 1083 unsigned long flags = 0; 1084 int cnt; 1085 1086 spin_lock_irqsave(&ha->hardware_lock, flags); 1087 1088 /* Clear outstanding commands array. */ 1089 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) 1090 ha->outstanding_cmds[cnt] = NULL; 1091 1092 ha->current_outstanding_cmd = 0; 1093 1094 /* Clear RSCN queue. */ 1095 ha->rscn_in_ptr = 0; 1096 ha->rscn_out_ptr = 0; 1097 1098 /* Initialize firmware. */ 1099 ha->request_ring_ptr = ha->request_ring; 1100 ha->req_ring_index = 0; 1101 ha->req_q_cnt = ha->request_q_length; 1102 ha->response_ring_ptr = ha->response_ring; 1103 ha->rsp_ring_index = 0; 1104 1105 /* Initialize response queue entries */ 1106 qla2x00_init_response_q_entries(ha); 1107 1108 ha->isp_ops.config_rings(ha); 1109 1110 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1111 1112 /* Update any ISP specific firmware options before initialization. */ 1113 ha->isp_ops.update_fw_options(ha); 1114 1115 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); 1116 rval = qla2x00_init_firmware(ha, ha->init_cb_size); 1117 if (rval) { 1118 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", 1119 ha->host_no)); 1120 } else { 1121 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", 1122 ha->host_no)); 1123 } 1124 1125 return (rval); 1126 } 1127 1128 /** 1129 * qla2x00_fw_ready() - Waits for firmware ready. 1130 * @ha: HA context 1131 * 1132 * Returns 0 on success. 1133 */ 1134 static int 1135 qla2x00_fw_ready(scsi_qla_host_t *ha) 1136 { 1137 int rval; 1138 unsigned long wtime, mtime; 1139 uint16_t min_wait; /* Minimum wait time if loop is down */ 1140 uint16_t wait_time; /* Wait time if loop is coming ready */ 1141 uint16_t fw_state; 1142 1143 rval = QLA_SUCCESS; 1144 1145 /* 20 seconds for loop down. */ 1146 min_wait = 20; 1147 1148 /* 1149 * Firmware should take at most one RATOV to login, plus 5 seconds for 1150 * our own processing. 1151 */ 1152 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 1153 wait_time = min_wait; 1154 } 1155 1156 /* Min wait time if loop down */ 1157 mtime = jiffies + (min_wait * HZ); 1158 1159 /* wait time before firmware ready */ 1160 wtime = jiffies + (wait_time * HZ); 1161 1162 /* Wait for ISP to finish LIP */ 1163 if (!ha->flags.init_done) 1164 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); 1165 1166 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", 1167 ha->host_no)); 1168 1169 do { 1170 rval = qla2x00_get_firmware_state(ha, &fw_state); 1171 if (rval == QLA_SUCCESS) { 1172 if (fw_state < FSTATE_LOSS_OF_SYNC) { 1173 ha->device_flags &= ~DFLG_NO_CABLE; 1174 } 1175 if (fw_state == FSTATE_READY) { 1176 DEBUG(printk("scsi(%ld): F/W Ready - OK \n", 1177 ha->host_no)); 1178 1179 qla2x00_get_retry_cnt(ha, &ha->retry_count, 1180 &ha->login_timeout, &ha->r_a_tov); 1181 1182 rval = QLA_SUCCESS; 1183 break; 1184 } 1185 1186 rval = QLA_FUNCTION_FAILED; 1187 1188 if (atomic_read(&ha->loop_down_timer) && 1189 (fw_state >= FSTATE_LOSS_OF_SYNC || 1190 fw_state == FSTATE_WAIT_AL_PA)) { 1191 /* Loop down. Timeout on min_wait for states 1192 * other than Wait for Login. 1193 */ 1194 if (time_after_eq(jiffies, mtime)) { 1195 qla_printk(KERN_INFO, ha, 1196 "Cable is unplugged...\n"); 1197 1198 ha->device_flags |= DFLG_NO_CABLE; 1199 break; 1200 } 1201 } 1202 } else { 1203 /* Mailbox cmd failed. Timeout on min_wait. */ 1204 if (time_after_eq(jiffies, mtime)) 1205 break; 1206 } 1207 1208 if (time_after_eq(jiffies, wtime)) 1209 break; 1210 1211 /* Delay for a while */ 1212 msleep(500); 1213 1214 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1215 ha->host_no, fw_state, jiffies)); 1216 } while (1); 1217 1218 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1219 ha->host_no, fw_state, jiffies)); 1220 1221 if (rval) { 1222 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", 1223 ha->host_no)); 1224 } 1225 1226 return (rval); 1227 } 1228 1229 /* 1230 * qla2x00_configure_hba 1231 * Setup adapter context. 1232 * 1233 * Input: 1234 * ha = adapter state pointer. 1235 * 1236 * Returns: 1237 * 0 = success 1238 * 1239 * Context: 1240 * Kernel context. 1241 */ 1242 static int 1243 qla2x00_configure_hba(scsi_qla_host_t *ha) 1244 { 1245 int rval; 1246 uint16_t loop_id; 1247 uint16_t topo; 1248 uint8_t al_pa; 1249 uint8_t area; 1250 uint8_t domain; 1251 char connect_type[22]; 1252 1253 /* Get host addresses. */ 1254 rval = qla2x00_get_adapter_id(ha, 1255 &loop_id, &al_pa, &area, &domain, &topo); 1256 if (rval != QLA_SUCCESS) { 1257 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) || 1258 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { 1259 DEBUG2(printk("%s(%ld) Loop is in a transition state\n", 1260 __func__, ha->host_no)); 1261 } else { 1262 qla_printk(KERN_WARNING, ha, 1263 "ERROR -- Unable to get host loop ID.\n"); 1264 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 1265 } 1266 return (rval); 1267 } 1268 1269 if (topo == 4) { 1270 qla_printk(KERN_INFO, ha, 1271 "Cannot get topology - retrying.\n"); 1272 return (QLA_FUNCTION_FAILED); 1273 } 1274 1275 ha->loop_id = loop_id; 1276 1277 /* initialize */ 1278 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 1279 ha->operating_mode = LOOP; 1280 1281 switch (topo) { 1282 case 0: 1283 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", 1284 ha->host_no)); 1285 ha->current_topology = ISP_CFG_NL; 1286 strcpy(connect_type, "(Loop)"); 1287 break; 1288 1289 case 1: 1290 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", 1291 ha->host_no)); 1292 ha->current_topology = ISP_CFG_FL; 1293 strcpy(connect_type, "(FL_Port)"); 1294 break; 1295 1296 case 2: 1297 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", 1298 ha->host_no)); 1299 ha->operating_mode = P2P; 1300 ha->current_topology = ISP_CFG_N; 1301 strcpy(connect_type, "(N_Port-to-N_Port)"); 1302 break; 1303 1304 case 3: 1305 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", 1306 ha->host_no)); 1307 ha->operating_mode = P2P; 1308 ha->current_topology = ISP_CFG_F; 1309 strcpy(connect_type, "(F_Port)"); 1310 break; 1311 1312 default: 1313 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " 1314 "Using NL.\n", 1315 ha->host_no, topo)); 1316 ha->current_topology = ISP_CFG_NL; 1317 strcpy(connect_type, "(Loop)"); 1318 break; 1319 } 1320 1321 /* Save Host port and loop ID. */ 1322 /* byte order - Big Endian */ 1323 ha->d_id.b.domain = domain; 1324 ha->d_id.b.area = area; 1325 ha->d_id.b.al_pa = al_pa; 1326 1327 if (!ha->flags.init_done) 1328 qla_printk(KERN_INFO, ha, 1329 "Topology - %s, Host Loop address 0x%x\n", 1330 connect_type, ha->loop_id); 1331 1332 if (rval) { 1333 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); 1334 } else { 1335 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); 1336 } 1337 1338 return(rval); 1339 } 1340 1341 /* 1342 * NVRAM configuration for ISP 2xxx 1343 * 1344 * Input: 1345 * ha = adapter block pointer. 1346 * 1347 * Output: 1348 * initialization control block in response_ring 1349 * host adapters parameters in host adapter block 1350 * 1351 * Returns: 1352 * 0 = success. 1353 */ 1354 int 1355 qla2x00_nvram_config(scsi_qla_host_t *ha) 1356 { 1357 int rval; 1358 uint8_t chksum = 0; 1359 uint16_t cnt; 1360 uint8_t *dptr1, *dptr2; 1361 init_cb_t *icb = ha->init_cb; 1362 nvram_t *nv = (nvram_t *)ha->request_ring; 1363 uint8_t *ptr = (uint8_t *)ha->request_ring; 1364 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1365 1366 rval = QLA_SUCCESS; 1367 1368 /* Determine NVRAM starting address. */ 1369 ha->nvram_size = sizeof(nvram_t); 1370 ha->nvram_base = 0; 1371 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 1372 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) 1373 ha->nvram_base = 0x80; 1374 1375 /* Get NVRAM data and calculate checksum. */ 1376 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size); 1377 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 1378 chksum += *ptr++; 1379 1380 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 1381 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, 1382 ha->nvram_size)); 1383 1384 /* Bad NVRAM data, set defaults parameters. */ 1385 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || 1386 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { 1387 /* Reset NVRAM data. */ 1388 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 1389 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 1390 nv->nvram_version); 1391 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 1392 "invalid -- WWPN) defaults.\n"); 1393 1394 /* 1395 * Set default initialization control block. 1396 */ 1397 memset(nv, 0, ha->nvram_size); 1398 nv->parameter_block_version = ICB_VERSION; 1399 1400 if (IS_QLA23XX(ha)) { 1401 nv->firmware_options[0] = BIT_2 | BIT_1; 1402 nv->firmware_options[1] = BIT_7 | BIT_5; 1403 nv->add_firmware_options[0] = BIT_5; 1404 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1405 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1406 nv->special_options[1] = BIT_7; 1407 } else if (IS_QLA2200(ha)) { 1408 nv->firmware_options[0] = BIT_2 | BIT_1; 1409 nv->firmware_options[1] = BIT_7 | BIT_5; 1410 nv->add_firmware_options[0] = BIT_5; 1411 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1412 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1413 } else if (IS_QLA2100(ha)) { 1414 nv->firmware_options[0] = BIT_3 | BIT_1; 1415 nv->firmware_options[1] = BIT_5; 1416 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1417 } 1418 1419 nv->max_iocb_allocation = __constant_cpu_to_le16(256); 1420 nv->execution_throttle = __constant_cpu_to_le16(16); 1421 nv->retry_count = 8; 1422 nv->retry_delay = 1; 1423 1424 nv->port_name[0] = 33; 1425 nv->port_name[3] = 224; 1426 nv->port_name[4] = 139; 1427 1428 nv->login_timeout = 4; 1429 1430 /* 1431 * Set default host adapter parameters 1432 */ 1433 nv->host_p[1] = BIT_2; 1434 nv->reset_delay = 5; 1435 nv->port_down_retry_count = 8; 1436 nv->max_luns_per_target = __constant_cpu_to_le16(8); 1437 nv->link_down_timeout = 60; 1438 1439 rval = 1; 1440 } 1441 1442 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) 1443 /* 1444 * The SN2 does not provide BIOS emulation which means you can't change 1445 * potentially bogus BIOS settings. Force the use of default settings 1446 * for link rate and frame size. Hope that the rest of the settings 1447 * are valid. 1448 */ 1449 if (ia64_platform_is("sn2")) { 1450 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1451 if (IS_QLA23XX(ha)) 1452 nv->special_options[1] = BIT_7; 1453 } 1454 #endif 1455 1456 /* Reset Initialization control block */ 1457 memset(icb, 0, ha->init_cb_size); 1458 1459 /* 1460 * Setup driver NVRAM options. 1461 */ 1462 nv->firmware_options[0] |= (BIT_6 | BIT_1); 1463 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 1464 nv->firmware_options[1] |= (BIT_5 | BIT_0); 1465 nv->firmware_options[1] &= ~BIT_4; 1466 1467 if (IS_QLA23XX(ha)) { 1468 nv->firmware_options[0] |= BIT_2; 1469 nv->firmware_options[0] &= ~BIT_3; 1470 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 1471 1472 if (IS_QLA2300(ha)) { 1473 if (ha->fb_rev == FPM_2310) { 1474 strcpy(ha->model_number, "QLA2310"); 1475 } else { 1476 strcpy(ha->model_number, "QLA2300"); 1477 } 1478 } else { 1479 if (rval == 0 && 1480 memcmp(nv->model_number, BINZERO, 1481 sizeof(nv->model_number)) != 0) { 1482 char *st, *en; 1483 1484 strncpy(ha->model_number, nv->model_number, 1485 sizeof(nv->model_number)); 1486 st = en = ha->model_number; 1487 en += sizeof(nv->model_number) - 1; 1488 while (en > st) { 1489 if (*en != 0x20 && *en != 0x00) 1490 break; 1491 *en-- = '\0'; 1492 } 1493 } else { 1494 uint16_t index; 1495 1496 index = (ha->pdev->subsystem_device & 0xff); 1497 if (index < QLA_MODEL_NAMES) { 1498 strcpy(ha->model_number, 1499 qla2x00_model_name[index * 2]); 1500 ha->model_desc = 1501 qla2x00_model_name[index * 2 + 1]; 1502 } else { 1503 strcpy(ha->model_number, "QLA23xx"); 1504 } 1505 } 1506 } 1507 } else if (IS_QLA2200(ha)) { 1508 nv->firmware_options[0] |= BIT_2; 1509 /* 1510 * 'Point-to-point preferred, else loop' is not a safe 1511 * connection mode setting. 1512 */ 1513 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 1514 (BIT_5 | BIT_4)) { 1515 /* Force 'loop preferred, else point-to-point'. */ 1516 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 1517 nv->add_firmware_options[0] |= BIT_5; 1518 } 1519 strcpy(ha->model_number, "QLA22xx"); 1520 } else /*if (IS_QLA2100(ha))*/ { 1521 strcpy(ha->model_number, "QLA2100"); 1522 } 1523 1524 /* 1525 * Copy over NVRAM RISC parameter block to initialization control block. 1526 */ 1527 dptr1 = (uint8_t *)icb; 1528 dptr2 = (uint8_t *)&nv->parameter_block_version; 1529 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 1530 while (cnt--) 1531 *dptr1++ = *dptr2++; 1532 1533 /* Copy 2nd half. */ 1534 dptr1 = (uint8_t *)icb->add_firmware_options; 1535 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 1536 while (cnt--) 1537 *dptr1++ = *dptr2++; 1538 1539 /* Use alternate WWN? */ 1540 if (nv->host_p[1] & BIT_7) { 1541 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 1542 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 1543 } 1544 1545 /* Prepare nodename */ 1546 if ((icb->firmware_options[1] & BIT_6) == 0) { 1547 /* 1548 * Firmware will apply the following mask if the nodename was 1549 * not provided. 1550 */ 1551 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 1552 icb->node_name[0] &= 0xF0; 1553 } 1554 1555 /* 1556 * Set host adapter parameters. 1557 */ 1558 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 1559 /* Always load RISC code on non ISP2[12]00 chips. */ 1560 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 1561 ha->flags.disable_risc_code_load = 0; 1562 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 1563 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 1564 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 1565 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; 1566 1567 ha->operating_mode = 1568 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 1569 1570 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 1571 sizeof(ha->fw_seriallink_options)); 1572 1573 /* save HBA serial number */ 1574 ha->serial0 = icb->port_name[5]; 1575 ha->serial1 = icb->port_name[6]; 1576 ha->serial2 = icb->port_name[7]; 1577 ha->node_name = icb->node_name; 1578 ha->port_name = icb->port_name; 1579 1580 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 1581 1582 ha->retry_count = nv->retry_count; 1583 1584 /* Set minimum login_timeout to 4 seconds. */ 1585 if (nv->login_timeout < ql2xlogintimeout) 1586 nv->login_timeout = ql2xlogintimeout; 1587 if (nv->login_timeout < 4) 1588 nv->login_timeout = 4; 1589 ha->login_timeout = nv->login_timeout; 1590 icb->login_timeout = nv->login_timeout; 1591 1592 /* Set minimum RATOV to 200 tenths of a second. */ 1593 ha->r_a_tov = 200; 1594 1595 ha->loop_reset_delay = nv->reset_delay; 1596 1597 /* Link Down Timeout = 0: 1598 * 1599 * When Port Down timer expires we will start returning 1600 * I/O's to OS with "DID_NO_CONNECT". 1601 * 1602 * Link Down Timeout != 0: 1603 * 1604 * The driver waits for the link to come up after link down 1605 * before returning I/Os to OS with "DID_NO_CONNECT". 1606 */ 1607 if (nv->link_down_timeout == 0) { 1608 ha->loop_down_abort_time = 1609 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 1610 } else { 1611 ha->link_down_timeout = nv->link_down_timeout; 1612 ha->loop_down_abort_time = 1613 (LOOP_DOWN_TIME - ha->link_down_timeout); 1614 } 1615 1616 /* 1617 * Need enough time to try and get the port back. 1618 */ 1619 ha->port_down_retry_count = nv->port_down_retry_count; 1620 if (qlport_down_retry) 1621 ha->port_down_retry_count = qlport_down_retry; 1622 /* Set login_retry_count */ 1623 ha->login_retry_count = nv->retry_count; 1624 if (ha->port_down_retry_count == nv->port_down_retry_count && 1625 ha->port_down_retry_count > 3) 1626 ha->login_retry_count = ha->port_down_retry_count; 1627 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 1628 ha->login_retry_count = ha->port_down_retry_count; 1629 if (ql2xloginretrycount) 1630 ha->login_retry_count = ql2xloginretrycount; 1631 1632 icb->lun_enables = __constant_cpu_to_le16(0); 1633 icb->command_resource_count = 0; 1634 icb->immediate_notify_resource_count = 0; 1635 icb->timeout = __constant_cpu_to_le16(0); 1636 1637 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 1638 /* Enable RIO */ 1639 icb->firmware_options[0] &= ~BIT_3; 1640 icb->add_firmware_options[0] &= 1641 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1642 icb->add_firmware_options[0] |= BIT_2; 1643 icb->response_accumulation_timer = 3; 1644 icb->interrupt_delay_timer = 5; 1645 1646 ha->flags.process_response_queue = 1; 1647 } else { 1648 /* Enable ZIO. */ 1649 if (!ha->flags.init_done) { 1650 ha->zio_mode = icb->add_firmware_options[0] & 1651 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1652 ha->zio_timer = icb->interrupt_delay_timer ? 1653 icb->interrupt_delay_timer: 2; 1654 } 1655 icb->add_firmware_options[0] &= 1656 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1657 ha->flags.process_response_queue = 0; 1658 if (ha->zio_mode != QLA_ZIO_DISABLED) { 1659 ha->zio_mode = QLA_ZIO_MODE_6; 1660 1661 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer " 1662 "delay (%d us).\n", ha->host_no, ha->zio_mode, 1663 ha->zio_timer * 100)); 1664 qla_printk(KERN_INFO, ha, 1665 "ZIO mode %d enabled; timer delay (%d us).\n", 1666 ha->zio_mode, ha->zio_timer * 100); 1667 1668 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; 1669 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; 1670 ha->flags.process_response_queue = 1; 1671 } 1672 } 1673 1674 if (rval) { 1675 DEBUG2_3(printk(KERN_WARNING 1676 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 1677 } 1678 return (rval); 1679 } 1680 1681 static void 1682 qla2x00_rport_del(void *data) 1683 { 1684 fc_port_t *fcport = data; 1685 struct fc_rport *rport; 1686 unsigned long flags; 1687 1688 spin_lock_irqsave(&fcport->rport_lock, flags); 1689 rport = fcport->drport; 1690 fcport->drport = NULL; 1691 spin_unlock_irqrestore(&fcport->rport_lock, flags); 1692 if (rport) 1693 fc_remote_port_delete(rport); 1694 1695 } 1696 1697 /** 1698 * qla2x00_alloc_fcport() - Allocate a generic fcport. 1699 * @ha: HA context 1700 * @flags: allocation flags 1701 * 1702 * Returns a pointer to the allocated fcport, or NULL, if none available. 1703 */ 1704 fc_port_t * 1705 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags) 1706 { 1707 fc_port_t *fcport; 1708 1709 fcport = kmalloc(sizeof(fc_port_t), flags); 1710 if (fcport == NULL) 1711 return (fcport); 1712 1713 /* Setup fcport template structure. */ 1714 memset(fcport, 0, sizeof (fc_port_t)); 1715 fcport->ha = ha; 1716 fcport->port_type = FCT_UNKNOWN; 1717 fcport->loop_id = FC_NO_LOOP_ID; 1718 atomic_set(&fcport->state, FCS_UNCONFIGURED); 1719 fcport->flags = FCF_RLC_SUPPORT; 1720 fcport->supported_classes = FC_COS_UNSPECIFIED; 1721 spin_lock_init(&fcport->rport_lock); 1722 1723 return (fcport); 1724 } 1725 1726 /* 1727 * qla2x00_configure_loop 1728 * Updates Fibre Channel Device Database with what is actually on loop. 1729 * 1730 * Input: 1731 * ha = adapter block pointer. 1732 * 1733 * Returns: 1734 * 0 = success. 1735 * 1 = error. 1736 * 2 = database was full and device was not configured. 1737 */ 1738 static int 1739 qla2x00_configure_loop(scsi_qla_host_t *ha) 1740 { 1741 int rval; 1742 unsigned long flags, save_flags; 1743 1744 rval = QLA_SUCCESS; 1745 1746 /* Get Initiator ID */ 1747 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { 1748 rval = qla2x00_configure_hba(ha); 1749 if (rval != QLA_SUCCESS) { 1750 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", 1751 ha->host_no)); 1752 return (rval); 1753 } 1754 } 1755 1756 save_flags = flags = ha->dpc_flags; 1757 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", 1758 ha->host_no, flags)); 1759 1760 /* 1761 * If we have both an RSCN and PORT UPDATE pending then handle them 1762 * both at the same time. 1763 */ 1764 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1765 clear_bit(RSCN_UPDATE, &ha->dpc_flags); 1766 1767 /* Determine what we need to do */ 1768 if (ha->current_topology == ISP_CFG_FL && 1769 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1770 1771 ha->flags.rscn_queue_overflow = 1; 1772 set_bit(RSCN_UPDATE, &flags); 1773 1774 } else if (ha->current_topology == ISP_CFG_F && 1775 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1776 1777 ha->flags.rscn_queue_overflow = 1; 1778 set_bit(RSCN_UPDATE, &flags); 1779 clear_bit(LOCAL_LOOP_UPDATE, &flags); 1780 1781 } else if (ha->current_topology == ISP_CFG_N) { 1782 clear_bit(RSCN_UPDATE, &flags); 1783 1784 } else if (!ha->flags.online || 1785 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 1786 1787 ha->flags.rscn_queue_overflow = 1; 1788 set_bit(RSCN_UPDATE, &flags); 1789 set_bit(LOCAL_LOOP_UPDATE, &flags); 1790 } 1791 1792 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 1793 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1794 rval = QLA_FUNCTION_FAILED; 1795 } else { 1796 rval = qla2x00_configure_local_loop(ha); 1797 } 1798 } 1799 1800 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 1801 if (LOOP_TRANSITION(ha)) { 1802 rval = QLA_FUNCTION_FAILED; 1803 } else { 1804 rval = qla2x00_configure_fabric(ha); 1805 } 1806 } 1807 1808 if (rval == QLA_SUCCESS) { 1809 if (atomic_read(&ha->loop_down_timer) || 1810 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1811 rval = QLA_FUNCTION_FAILED; 1812 } else { 1813 atomic_set(&ha->loop_state, LOOP_READY); 1814 1815 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); 1816 } 1817 } 1818 1819 if (rval) { 1820 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", 1821 __func__, ha->host_no)); 1822 } else { 1823 DEBUG3(printk("%s: exiting normally\n", __func__)); 1824 } 1825 1826 /* Restore state if a resync event occured during processing */ 1827 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1828 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 1829 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1830 if (test_bit(RSCN_UPDATE, &save_flags)) 1831 set_bit(RSCN_UPDATE, &ha->dpc_flags); 1832 } 1833 1834 return (rval); 1835 } 1836 1837 1838 1839 /* 1840 * qla2x00_configure_local_loop 1841 * Updates Fibre Channel Device Database with local loop devices. 1842 * 1843 * Input: 1844 * ha = adapter block pointer. 1845 * 1846 * Returns: 1847 * 0 = success. 1848 */ 1849 static int 1850 qla2x00_configure_local_loop(scsi_qla_host_t *ha) 1851 { 1852 int rval, rval2; 1853 int found_devs; 1854 int found; 1855 fc_port_t *fcport, *new_fcport; 1856 1857 uint16_t index; 1858 uint16_t entries; 1859 char *id_iter; 1860 uint16_t loop_id; 1861 uint8_t domain, area, al_pa; 1862 1863 found_devs = 0; 1864 new_fcport = NULL; 1865 entries = MAX_FIBRE_DEVICES; 1866 1867 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); 1868 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); 1869 1870 /* Get list of logged in devices. */ 1871 memset(ha->gid_list, 0, GID_LIST_SIZE); 1872 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, 1873 &entries); 1874 if (rval != QLA_SUCCESS) 1875 goto cleanup_allocation; 1876 1877 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", 1878 ha->host_no, entries)); 1879 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, 1880 entries * sizeof(struct gid_list_info))); 1881 1882 /* Allocate temporary fcport for any new fcports discovered. */ 1883 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 1884 if (new_fcport == NULL) { 1885 rval = QLA_MEMORY_ALLOC_FAILED; 1886 goto cleanup_allocation; 1887 } 1888 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 1889 1890 /* 1891 * Mark local devices that were present with FCF_DEVICE_LOST for now. 1892 */ 1893 list_for_each_entry(fcport, &ha->fcports, list) { 1894 if (atomic_read(&fcport->state) == FCS_ONLINE && 1895 fcport->port_type != FCT_BROADCAST && 1896 (fcport->flags & FCF_FABRIC_DEVICE) == 0) { 1897 1898 DEBUG(printk("scsi(%ld): Marking port lost, " 1899 "loop_id=0x%04x\n", 1900 ha->host_no, fcport->loop_id)); 1901 1902 atomic_set(&fcport->state, FCS_DEVICE_LOST); 1903 fcport->flags &= ~FCF_FARP_DONE; 1904 } 1905 } 1906 1907 /* Add devices to port list. */ 1908 id_iter = (char *)ha->gid_list; 1909 for (index = 0; index < entries; index++) { 1910 domain = ((struct gid_list_info *)id_iter)->domain; 1911 area = ((struct gid_list_info *)id_iter)->area; 1912 al_pa = ((struct gid_list_info *)id_iter)->al_pa; 1913 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1914 loop_id = (uint16_t) 1915 ((struct gid_list_info *)id_iter)->loop_id_2100; 1916 else 1917 loop_id = le16_to_cpu( 1918 ((struct gid_list_info *)id_iter)->loop_id); 1919 id_iter += ha->gid_list_info_size; 1920 1921 /* Bypass reserved domain fields. */ 1922 if ((domain & 0xf0) == 0xf0) 1923 continue; 1924 1925 /* Bypass if not same domain and area of adapter. */ 1926 if (area && domain && 1927 (area != ha->d_id.b.area || domain != ha->d_id.b.domain)) 1928 continue; 1929 1930 /* Bypass invalid local loop ID. */ 1931 if (loop_id > LAST_LOCAL_LOOP_ID) 1932 continue; 1933 1934 /* Fill in member data. */ 1935 new_fcport->d_id.b.domain = domain; 1936 new_fcport->d_id.b.area = area; 1937 new_fcport->d_id.b.al_pa = al_pa; 1938 new_fcport->loop_id = loop_id; 1939 rval2 = qla2x00_get_port_database(ha, new_fcport, 0); 1940 if (rval2 != QLA_SUCCESS) { 1941 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " 1942 "information -- get_port_database=%x, " 1943 "loop_id=0x%04x\n", 1944 ha->host_no, rval2, new_fcport->loop_id)); 1945 DEBUG2(printk("scsi(%ld): Scheduling resync...\n", 1946 ha->host_no)); 1947 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 1948 continue; 1949 } 1950 1951 /* Check for matching device in port list. */ 1952 found = 0; 1953 fcport = NULL; 1954 list_for_each_entry(fcport, &ha->fcports, list) { 1955 if (memcmp(new_fcport->port_name, fcport->port_name, 1956 WWN_SIZE)) 1957 continue; 1958 1959 fcport->flags &= ~(FCF_FABRIC_DEVICE | 1960 FCF_PERSISTENT_BOUND); 1961 fcport->loop_id = new_fcport->loop_id; 1962 fcport->port_type = new_fcport->port_type; 1963 fcport->d_id.b24 = new_fcport->d_id.b24; 1964 memcpy(fcport->node_name, new_fcport->node_name, 1965 WWN_SIZE); 1966 1967 found++; 1968 break; 1969 } 1970 1971 if (!found) { 1972 /* New device, add to fcports list. */ 1973 new_fcport->flags &= ~FCF_PERSISTENT_BOUND; 1974 list_add_tail(&new_fcport->list, &ha->fcports); 1975 1976 /* Allocate a new replacement fcport. */ 1977 fcport = new_fcport; 1978 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 1979 if (new_fcport == NULL) { 1980 rval = QLA_MEMORY_ALLOC_FAILED; 1981 goto cleanup_allocation; 1982 } 1983 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 1984 } 1985 1986 qla2x00_update_fcport(ha, fcport); 1987 1988 found_devs++; 1989 } 1990 1991 cleanup_allocation: 1992 kfree(new_fcport); 1993 1994 if (rval != QLA_SUCCESS) { 1995 DEBUG2(printk("scsi(%ld): Configure local loop error exit: " 1996 "rval=%x\n", ha->host_no, rval)); 1997 } 1998 1999 if (found_devs) { 2000 ha->device_flags |= DFLG_LOCAL_DEVICES; 2001 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; 2002 } 2003 2004 return (rval); 2005 } 2006 2007 static void 2008 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) 2009 { 2010 fc_port_t *fcport; 2011 2012 qla2x00_mark_all_devices_lost(ha, 0); 2013 list_for_each_entry(fcport, &ha->fcports, list) { 2014 if (fcport->port_type != FCT_TARGET) 2015 continue; 2016 2017 qla2x00_update_fcport(ha, fcport); 2018 } 2019 } 2020 2021 /* 2022 * qla2x00_update_fcport 2023 * Updates device on list. 2024 * 2025 * Input: 2026 * ha = adapter block pointer. 2027 * fcport = port structure pointer. 2028 * 2029 * Return: 2030 * 0 - Success 2031 * BIT_0 - error 2032 * 2033 * Context: 2034 * Kernel context. 2035 */ 2036 void 2037 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2038 { 2039 fcport->ha = ha; 2040 fcport->login_retry = 0; 2041 fcport->port_login_retry_count = ha->port_down_retry_count * 2042 PORT_RETRY_TIME; 2043 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count * 2044 PORT_RETRY_TIME); 2045 fcport->flags &= ~FCF_LOGIN_NEEDED; 2046 2047 atomic_set(&fcport->state, FCS_ONLINE); 2048 2049 if (ha->flags.init_done) 2050 qla2x00_reg_remote_port(ha, fcport); 2051 } 2052 2053 void 2054 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 2055 { 2056 struct fc_rport_identifiers rport_ids; 2057 struct fc_rport *rport; 2058 unsigned long flags; 2059 2060 if (fcport->drport) 2061 qla2x00_rport_del(fcport); 2062 if (fcport->rport) 2063 return; 2064 2065 rport_ids.node_name = wwn_to_u64(fcport->node_name); 2066 rport_ids.port_name = wwn_to_u64(fcport->port_name); 2067 rport_ids.port_id = fcport->d_id.b.domain << 16 | 2068 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 2069 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2070 rport = fc_remote_port_add(ha->host, 0, &rport_ids); 2071 if (!rport) { 2072 qla_printk(KERN_WARNING, ha, 2073 "Unable to allocate fc remote port!\n"); 2074 return; 2075 } 2076 spin_lock_irqsave(&fcport->rport_lock, flags); 2077 fcport->rport = rport; 2078 *((fc_port_t **)rport->dd_data) = fcport; 2079 spin_unlock_irqrestore(&fcport->rport_lock, flags); 2080 2081 rport->supported_classes = fcport->supported_classes; 2082 2083 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2084 if (fcport->port_type == FCT_INITIATOR) 2085 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; 2086 if (fcport->port_type == FCT_TARGET) 2087 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 2088 fc_remote_port_rolechg(rport, rport_ids.roles); 2089 2090 if (rport->scsi_target_id != -1 && 2091 rport->scsi_target_id < ha->host->max_id) 2092 fcport->os_target_id = rport->scsi_target_id; 2093 } 2094 2095 /* 2096 * qla2x00_configure_fabric 2097 * Setup SNS devices with loop ID's. 2098 * 2099 * Input: 2100 * ha = adapter block pointer. 2101 * 2102 * Returns: 2103 * 0 = success. 2104 * BIT_0 = error 2105 */ 2106 static int 2107 qla2x00_configure_fabric(scsi_qla_host_t *ha) 2108 { 2109 int rval, rval2; 2110 fc_port_t *fcport, *fcptemp; 2111 uint16_t next_loopid; 2112 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2113 uint16_t loop_id; 2114 LIST_HEAD(new_fcports); 2115 2116 /* If FL port exists, then SNS is present */ 2117 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) 2118 loop_id = NPH_F_PORT; 2119 else 2120 loop_id = SNS_FL_PORT; 2121 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0); 2122 if (rval != QLA_SUCCESS) { 2123 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " 2124 "Port\n", ha->host_no)); 2125 2126 ha->device_flags &= ~SWITCH_FOUND; 2127 return (QLA_SUCCESS); 2128 } 2129 2130 /* Mark devices that need re-synchronization. */ 2131 rval2 = qla2x00_device_resync(ha); 2132 if (rval2 == QLA_RSCNS_HANDLED) { 2133 /* No point doing the scan, just continue. */ 2134 return (QLA_SUCCESS); 2135 } 2136 do { 2137 /* FDMI support. */ 2138 if (ql2xfdmienable && 2139 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags)) 2140 qla2x00_fdmi_register(ha); 2141 2142 /* Ensure we are logged into the SNS. */ 2143 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) 2144 loop_id = NPH_SNS; 2145 else 2146 loop_id = SIMPLE_NAME_SERVER; 2147 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff, 2148 0xfc, mb, BIT_1 | BIT_0); 2149 if (mb[0] != MBS_COMMAND_COMPLETE) { 2150 DEBUG2(qla_printk(KERN_INFO, ha, 2151 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 2152 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, 2153 mb[0], mb[1], mb[2], mb[6], mb[7])); 2154 return (QLA_SUCCESS); 2155 } 2156 2157 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { 2158 if (qla2x00_rft_id(ha)) { 2159 /* EMPTY */ 2160 DEBUG2(printk("scsi(%ld): Register FC-4 " 2161 "TYPE failed.\n", ha->host_no)); 2162 } 2163 if (qla2x00_rff_id(ha)) { 2164 /* EMPTY */ 2165 DEBUG2(printk("scsi(%ld): Register FC-4 " 2166 "Features failed.\n", ha->host_no)); 2167 } 2168 if (qla2x00_rnn_id(ha)) { 2169 /* EMPTY */ 2170 DEBUG2(printk("scsi(%ld): Register Node Name " 2171 "failed.\n", ha->host_no)); 2172 } else if (qla2x00_rsnn_nn(ha)) { 2173 /* EMPTY */ 2174 DEBUG2(printk("scsi(%ld): Register Symbolic " 2175 "Node Name failed.\n", ha->host_no)); 2176 } 2177 } 2178 2179 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); 2180 if (rval != QLA_SUCCESS) 2181 break; 2182 2183 /* 2184 * Logout all previous fabric devices marked lost, except 2185 * tape devices. 2186 */ 2187 list_for_each_entry(fcport, &ha->fcports, list) { 2188 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2189 break; 2190 2191 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 2192 continue; 2193 2194 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 2195 qla2x00_mark_device_lost(ha, fcport, 2196 ql2xplogiabsentdevice, 0); 2197 if (fcport->loop_id != FC_NO_LOOP_ID && 2198 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2199 fcport->port_type != FCT_INITIATOR && 2200 fcport->port_type != FCT_BROADCAST) { 2201 ha->isp_ops.fabric_logout(ha, 2202 fcport->loop_id, 2203 fcport->d_id.b.domain, 2204 fcport->d_id.b.area, 2205 fcport->d_id.b.al_pa); 2206 fcport->loop_id = FC_NO_LOOP_ID; 2207 } 2208 } 2209 } 2210 2211 /* Starting free loop ID. */ 2212 next_loopid = ha->min_external_loopid; 2213 2214 /* 2215 * Scan through our port list and login entries that need to be 2216 * logged in. 2217 */ 2218 list_for_each_entry(fcport, &ha->fcports, list) { 2219 if (atomic_read(&ha->loop_down_timer) || 2220 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2221 break; 2222 2223 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2224 (fcport->flags & FCF_LOGIN_NEEDED) == 0) 2225 continue; 2226 2227 if (fcport->loop_id == FC_NO_LOOP_ID) { 2228 fcport->loop_id = next_loopid; 2229 rval = qla2x00_find_new_loop_id(ha, fcport); 2230 if (rval != QLA_SUCCESS) { 2231 /* Ran out of IDs to use */ 2232 break; 2233 } 2234 } 2235 /* Login and update database */ 2236 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2237 } 2238 2239 /* Exit if out of loop IDs. */ 2240 if (rval != QLA_SUCCESS) { 2241 break; 2242 } 2243 2244 /* 2245 * Login and add the new devices to our port list. 2246 */ 2247 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2248 if (atomic_read(&ha->loop_down_timer) || 2249 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2250 break; 2251 2252 /* Find a new loop ID to use. */ 2253 fcport->loop_id = next_loopid; 2254 rval = qla2x00_find_new_loop_id(ha, fcport); 2255 if (rval != QLA_SUCCESS) { 2256 /* Ran out of IDs to use */ 2257 break; 2258 } 2259 2260 /* Remove device from the new list and add it to DB */ 2261 list_move_tail(&fcport->list, &ha->fcports); 2262 2263 /* Login and update database */ 2264 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2265 } 2266 } while (0); 2267 2268 /* Free all new device structures not processed. */ 2269 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2270 list_del(&fcport->list); 2271 kfree(fcport); 2272 } 2273 2274 if (rval) { 2275 DEBUG2(printk("scsi(%ld): Configure fabric error exit: " 2276 "rval=%d\n", ha->host_no, rval)); 2277 } 2278 2279 return (rval); 2280 } 2281 2282 2283 /* 2284 * qla2x00_find_all_fabric_devs 2285 * 2286 * Input: 2287 * ha = adapter block pointer. 2288 * dev = database device entry pointer. 2289 * 2290 * Returns: 2291 * 0 = success. 2292 * 2293 * Context: 2294 * Kernel context. 2295 */ 2296 static int 2297 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) 2298 { 2299 int rval; 2300 uint16_t loop_id; 2301 fc_port_t *fcport, *new_fcport, *fcptemp; 2302 int found; 2303 2304 sw_info_t *swl; 2305 int swl_idx; 2306 int first_dev, last_dev; 2307 port_id_t wrap, nxt_d_id; 2308 2309 rval = QLA_SUCCESS; 2310 2311 /* Try GID_PT to get device list, else GAN. */ 2312 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC); 2313 if (swl == NULL) { 2314 /*EMPTY*/ 2315 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2316 "on GA_NXT\n", ha->host_no)); 2317 } else { 2318 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES); 2319 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { 2320 kfree(swl); 2321 swl = NULL; 2322 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { 2323 kfree(swl); 2324 swl = NULL; 2325 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { 2326 kfree(swl); 2327 swl = NULL; 2328 } 2329 } 2330 swl_idx = 0; 2331 2332 /* Allocate temporary fcport for any new fcports discovered. */ 2333 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2334 if (new_fcport == NULL) { 2335 kfree(swl); 2336 return (QLA_MEMORY_ALLOC_FAILED); 2337 } 2338 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2339 2340 /* Set start port ID scan at adapter ID. */ 2341 first_dev = 1; 2342 last_dev = 0; 2343 2344 /* Starting free loop ID. */ 2345 loop_id = ha->min_external_loopid; 2346 for (; loop_id <= ha->last_loop_id; loop_id++) { 2347 if (qla2x00_is_reserved_id(ha, loop_id)) 2348 continue; 2349 2350 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) 2351 break; 2352 2353 if (swl != NULL) { 2354 if (last_dev) { 2355 wrap.b24 = new_fcport->d_id.b24; 2356 } else { 2357 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 2358 memcpy(new_fcport->node_name, 2359 swl[swl_idx].node_name, WWN_SIZE); 2360 memcpy(new_fcport->port_name, 2361 swl[swl_idx].port_name, WWN_SIZE); 2362 2363 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 2364 last_dev = 1; 2365 } 2366 swl_idx++; 2367 } 2368 } else { 2369 /* Send GA_NXT to the switch */ 2370 rval = qla2x00_ga_nxt(ha, new_fcport); 2371 if (rval != QLA_SUCCESS) { 2372 qla_printk(KERN_WARNING, ha, 2373 "SNS scan failed -- assuming zero-entry " 2374 "result...\n"); 2375 list_for_each_entry_safe(fcport, fcptemp, 2376 new_fcports, list) { 2377 list_del(&fcport->list); 2378 kfree(fcport); 2379 } 2380 rval = QLA_SUCCESS; 2381 break; 2382 } 2383 } 2384 2385 /* If wrap on switch device list, exit. */ 2386 if (first_dev) { 2387 wrap.b24 = new_fcport->d_id.b24; 2388 first_dev = 0; 2389 } else if (new_fcport->d_id.b24 == wrap.b24) { 2390 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", 2391 ha->host_no, new_fcport->d_id.b.domain, 2392 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); 2393 break; 2394 } 2395 2396 /* Bypass if host adapter. */ 2397 if (new_fcport->d_id.b24 == ha->d_id.b24) 2398 continue; 2399 2400 /* Bypass if same domain and area of adapter. */ 2401 if (((new_fcport->d_id.b24 & 0xffff00) == 2402 (ha->d_id.b24 & 0xffff00)) && ha->current_topology == 2403 ISP_CFG_FL) 2404 continue; 2405 2406 /* Bypass reserved domain fields. */ 2407 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 2408 continue; 2409 2410 /* Locate matching device in database. */ 2411 found = 0; 2412 list_for_each_entry(fcport, &ha->fcports, list) { 2413 if (memcmp(new_fcport->port_name, fcport->port_name, 2414 WWN_SIZE)) 2415 continue; 2416 2417 found++; 2418 2419 /* 2420 * If address the same and state FCS_ONLINE, nothing 2421 * changed. 2422 */ 2423 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 2424 atomic_read(&fcport->state) == FCS_ONLINE) { 2425 break; 2426 } 2427 2428 /* 2429 * If device was not a fabric device before. 2430 */ 2431 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2432 fcport->d_id.b24 = new_fcport->d_id.b24; 2433 fcport->loop_id = FC_NO_LOOP_ID; 2434 fcport->flags |= (FCF_FABRIC_DEVICE | 2435 FCF_LOGIN_NEEDED); 2436 fcport->flags &= ~FCF_PERSISTENT_BOUND; 2437 break; 2438 } 2439 2440 /* 2441 * Port ID changed or device was marked to be updated; 2442 * Log it out if still logged in and mark it for 2443 * relogin later. 2444 */ 2445 fcport->d_id.b24 = new_fcport->d_id.b24; 2446 fcport->flags |= FCF_LOGIN_NEEDED; 2447 if (fcport->loop_id != FC_NO_LOOP_ID && 2448 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2449 fcport->port_type != FCT_INITIATOR && 2450 fcport->port_type != FCT_BROADCAST) { 2451 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2452 fcport->d_id.b.domain, fcport->d_id.b.area, 2453 fcport->d_id.b.al_pa); 2454 fcport->loop_id = FC_NO_LOOP_ID; 2455 } 2456 2457 break; 2458 } 2459 2460 if (found) 2461 continue; 2462 2463 /* If device was not in our fcports list, then add it. */ 2464 list_add_tail(&new_fcport->list, new_fcports); 2465 2466 /* Allocate a new replacement fcport. */ 2467 nxt_d_id.b24 = new_fcport->d_id.b24; 2468 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2469 if (new_fcport == NULL) { 2470 kfree(swl); 2471 return (QLA_MEMORY_ALLOC_FAILED); 2472 } 2473 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2474 new_fcport->d_id.b24 = nxt_d_id.b24; 2475 } 2476 2477 kfree(swl); 2478 kfree(new_fcport); 2479 2480 if (!list_empty(new_fcports)) 2481 ha->device_flags |= DFLG_FABRIC_DEVICES; 2482 2483 return (rval); 2484 } 2485 2486 /* 2487 * qla2x00_find_new_loop_id 2488 * Scan through our port list and find a new usable loop ID. 2489 * 2490 * Input: 2491 * ha: adapter state pointer. 2492 * dev: port structure pointer. 2493 * 2494 * Returns: 2495 * qla2x00 local function return status code. 2496 * 2497 * Context: 2498 * Kernel context. 2499 */ 2500 int 2501 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) 2502 { 2503 int rval; 2504 int found; 2505 fc_port_t *fcport; 2506 uint16_t first_loop_id; 2507 2508 rval = QLA_SUCCESS; 2509 2510 /* Save starting loop ID. */ 2511 first_loop_id = dev->loop_id; 2512 2513 for (;;) { 2514 /* Skip loop ID if already used by adapter. */ 2515 if (dev->loop_id == ha->loop_id) { 2516 dev->loop_id++; 2517 } 2518 2519 /* Skip reserved loop IDs. */ 2520 while (qla2x00_is_reserved_id(ha, dev->loop_id)) { 2521 dev->loop_id++; 2522 } 2523 2524 /* Reset loop ID if passed the end. */ 2525 if (dev->loop_id > ha->last_loop_id) { 2526 /* first loop ID. */ 2527 dev->loop_id = ha->min_external_loopid; 2528 } 2529 2530 /* Check for loop ID being already in use. */ 2531 found = 0; 2532 fcport = NULL; 2533 list_for_each_entry(fcport, &ha->fcports, list) { 2534 if (fcport->loop_id == dev->loop_id && fcport != dev) { 2535 /* ID possibly in use */ 2536 found++; 2537 break; 2538 } 2539 } 2540 2541 /* If not in use then it is free to use. */ 2542 if (!found) { 2543 break; 2544 } 2545 2546 /* ID in use. Try next value. */ 2547 dev->loop_id++; 2548 2549 /* If wrap around. No free ID to use. */ 2550 if (dev->loop_id == first_loop_id) { 2551 dev->loop_id = FC_NO_LOOP_ID; 2552 rval = QLA_FUNCTION_FAILED; 2553 break; 2554 } 2555 } 2556 2557 return (rval); 2558 } 2559 2560 /* 2561 * qla2x00_device_resync 2562 * Marks devices in the database that needs resynchronization. 2563 * 2564 * Input: 2565 * ha = adapter block pointer. 2566 * 2567 * Context: 2568 * Kernel context. 2569 */ 2570 static int 2571 qla2x00_device_resync(scsi_qla_host_t *ha) 2572 { 2573 int rval; 2574 uint32_t mask; 2575 fc_port_t *fcport; 2576 uint32_t rscn_entry; 2577 uint8_t rscn_out_iter; 2578 uint8_t format; 2579 port_id_t d_id; 2580 2581 rval = QLA_RSCNS_HANDLED; 2582 2583 while (ha->rscn_out_ptr != ha->rscn_in_ptr || 2584 ha->flags.rscn_queue_overflow) { 2585 2586 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; 2587 format = MSB(MSW(rscn_entry)); 2588 d_id.b.domain = LSB(MSW(rscn_entry)); 2589 d_id.b.area = MSB(LSW(rscn_entry)); 2590 d_id.b.al_pa = LSB(LSW(rscn_entry)); 2591 2592 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " 2593 "[%02x/%02x%02x%02x].\n", 2594 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, 2595 d_id.b.area, d_id.b.al_pa)); 2596 2597 ha->rscn_out_ptr++; 2598 if (ha->rscn_out_ptr == MAX_RSCN_COUNT) 2599 ha->rscn_out_ptr = 0; 2600 2601 /* Skip duplicate entries. */ 2602 for (rscn_out_iter = ha->rscn_out_ptr; 2603 !ha->flags.rscn_queue_overflow && 2604 rscn_out_iter != ha->rscn_in_ptr; 2605 rscn_out_iter = (rscn_out_iter == 2606 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { 2607 2608 if (rscn_entry != ha->rscn_queue[rscn_out_iter]) 2609 break; 2610 2611 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " 2612 "entry found at [%d].\n", ha->host_no, 2613 rscn_out_iter)); 2614 2615 ha->rscn_out_ptr = rscn_out_iter; 2616 } 2617 2618 /* Queue overflow, set switch default case. */ 2619 if (ha->flags.rscn_queue_overflow) { 2620 DEBUG(printk("scsi(%ld): device_resync: rscn " 2621 "overflow.\n", ha->host_no)); 2622 2623 format = 3; 2624 ha->flags.rscn_queue_overflow = 0; 2625 } 2626 2627 switch (format) { 2628 case 0: 2629 mask = 0xffffff; 2630 break; 2631 case 1: 2632 mask = 0xffff00; 2633 break; 2634 case 2: 2635 mask = 0xff0000; 2636 break; 2637 default: 2638 mask = 0x0; 2639 d_id.b24 = 0; 2640 ha->rscn_out_ptr = ha->rscn_in_ptr; 2641 break; 2642 } 2643 2644 rval = QLA_SUCCESS; 2645 2646 list_for_each_entry(fcport, &ha->fcports, list) { 2647 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2648 (fcport->d_id.b24 & mask) != d_id.b24 || 2649 fcport->port_type == FCT_BROADCAST) 2650 continue; 2651 2652 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2653 if (format != 3 || 2654 fcport->port_type != FCT_INITIATOR) { 2655 qla2x00_mark_device_lost(ha, fcport, 2656 0, 0); 2657 } 2658 } 2659 fcport->flags &= ~FCF_FARP_DONE; 2660 } 2661 } 2662 return (rval); 2663 } 2664 2665 /* 2666 * qla2x00_fabric_dev_login 2667 * Login fabric target device and update FC port database. 2668 * 2669 * Input: 2670 * ha: adapter state pointer. 2671 * fcport: port structure list pointer. 2672 * next_loopid: contains value of a new loop ID that can be used 2673 * by the next login attempt. 2674 * 2675 * Returns: 2676 * qla2x00 local function return status code. 2677 * 2678 * Context: 2679 * Kernel context. 2680 */ 2681 static int 2682 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2683 uint16_t *next_loopid) 2684 { 2685 int rval; 2686 int retry; 2687 uint8_t opts; 2688 2689 rval = QLA_SUCCESS; 2690 retry = 0; 2691 2692 rval = qla2x00_fabric_login(ha, fcport, next_loopid); 2693 if (rval == QLA_SUCCESS) { 2694 /* Send an ADISC to tape devices.*/ 2695 opts = 0; 2696 if (fcport->flags & FCF_TAPE_PRESENT) 2697 opts |= BIT_1; 2698 rval = qla2x00_get_port_database(ha, fcport, opts); 2699 if (rval != QLA_SUCCESS) { 2700 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2701 fcport->d_id.b.domain, fcport->d_id.b.area, 2702 fcport->d_id.b.al_pa); 2703 qla2x00_mark_device_lost(ha, fcport, 1, 0); 2704 } else { 2705 qla2x00_update_fcport(ha, fcport); 2706 } 2707 } 2708 2709 return (rval); 2710 } 2711 2712 /* 2713 * qla2x00_fabric_login 2714 * Issue fabric login command. 2715 * 2716 * Input: 2717 * ha = adapter block pointer. 2718 * device = pointer to FC device type structure. 2719 * 2720 * Returns: 2721 * 0 - Login successfully 2722 * 1 - Login failed 2723 * 2 - Initiator device 2724 * 3 - Fatal error 2725 */ 2726 int 2727 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2728 uint16_t *next_loopid) 2729 { 2730 int rval; 2731 int retry; 2732 uint16_t tmp_loopid; 2733 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2734 2735 retry = 0; 2736 tmp_loopid = 0; 2737 2738 for (;;) { 2739 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " 2740 "for port %02x%02x%02x.\n", 2741 ha->host_no, fcport->loop_id, fcport->d_id.b.domain, 2742 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2743 2744 /* Login fcport on switch. */ 2745 ha->isp_ops.fabric_login(ha, fcport->loop_id, 2746 fcport->d_id.b.domain, fcport->d_id.b.area, 2747 fcport->d_id.b.al_pa, mb, BIT_0); 2748 if (mb[0] == MBS_PORT_ID_USED) { 2749 /* 2750 * Device has another loop ID. The firmware team 2751 * recommends the driver perform an implicit login with 2752 * the specified ID again. The ID we just used is save 2753 * here so we return with an ID that can be tried by 2754 * the next login. 2755 */ 2756 retry++; 2757 tmp_loopid = fcport->loop_id; 2758 fcport->loop_id = mb[1]; 2759 2760 DEBUG(printk("Fabric Login: port in use - next " 2761 "loop id=0x%04x, port Id=%02x%02x%02x.\n", 2762 fcport->loop_id, fcport->d_id.b.domain, 2763 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2764 2765 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 2766 /* 2767 * Login succeeded. 2768 */ 2769 if (retry) { 2770 /* A retry occurred before. */ 2771 *next_loopid = tmp_loopid; 2772 } else { 2773 /* 2774 * No retry occurred before. Just increment the 2775 * ID value for next login. 2776 */ 2777 *next_loopid = (fcport->loop_id + 1); 2778 } 2779 2780 if (mb[1] & BIT_0) { 2781 fcport->port_type = FCT_INITIATOR; 2782 } else { 2783 fcport->port_type = FCT_TARGET; 2784 if (mb[1] & BIT_1) { 2785 fcport->flags |= FCF_TAPE_PRESENT; 2786 } 2787 } 2788 2789 if (mb[10] & BIT_0) 2790 fcport->supported_classes |= FC_COS_CLASS2; 2791 if (mb[10] & BIT_1) 2792 fcport->supported_classes |= FC_COS_CLASS3; 2793 2794 rval = QLA_SUCCESS; 2795 break; 2796 } else if (mb[0] == MBS_LOOP_ID_USED) { 2797 /* 2798 * Loop ID already used, try next loop ID. 2799 */ 2800 fcport->loop_id++; 2801 rval = qla2x00_find_new_loop_id(ha, fcport); 2802 if (rval != QLA_SUCCESS) { 2803 /* Ran out of loop IDs to use */ 2804 break; 2805 } 2806 } else if (mb[0] == MBS_COMMAND_ERROR) { 2807 /* 2808 * Firmware possibly timed out during login. If NO 2809 * retries are left to do then the device is declared 2810 * dead. 2811 */ 2812 *next_loopid = fcport->loop_id; 2813 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2814 fcport->d_id.b.domain, fcport->d_id.b.area, 2815 fcport->d_id.b.al_pa); 2816 qla2x00_mark_device_lost(ha, fcport, 1, 0); 2817 2818 rval = 1; 2819 break; 2820 } else { 2821 /* 2822 * unrecoverable / not handled error 2823 */ 2824 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " 2825 "loop_id=%x jiffies=%lx.\n", 2826 __func__, ha->host_no, mb[0], 2827 fcport->d_id.b.domain, fcport->d_id.b.area, 2828 fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); 2829 2830 *next_loopid = fcport->loop_id; 2831 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2832 fcport->d_id.b.domain, fcport->d_id.b.area, 2833 fcport->d_id.b.al_pa); 2834 fcport->loop_id = FC_NO_LOOP_ID; 2835 fcport->login_retry = 0; 2836 2837 rval = 3; 2838 break; 2839 } 2840 } 2841 2842 return (rval); 2843 } 2844 2845 /* 2846 * qla2x00_local_device_login 2847 * Issue local device login command. 2848 * 2849 * Input: 2850 * ha = adapter block pointer. 2851 * loop_id = loop id of device to login to. 2852 * 2853 * Returns (Where's the #define!!!!): 2854 * 0 - Login successfully 2855 * 1 - Login failed 2856 * 3 - Fatal error 2857 */ 2858 int 2859 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport) 2860 { 2861 int rval; 2862 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2863 2864 memset(mb, 0, sizeof(mb)); 2865 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0); 2866 if (rval == QLA_SUCCESS) { 2867 /* Interrogate mailbox registers for any errors */ 2868 if (mb[0] == MBS_COMMAND_ERROR) 2869 rval = 1; 2870 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 2871 /* device not in PCB table */ 2872 rval = 3; 2873 } 2874 2875 return (rval); 2876 } 2877 2878 /* 2879 * qla2x00_loop_resync 2880 * Resync with fibre channel devices. 2881 * 2882 * Input: 2883 * ha = adapter block pointer. 2884 * 2885 * Returns: 2886 * 0 = success 2887 */ 2888 int 2889 qla2x00_loop_resync(scsi_qla_host_t *ha) 2890 { 2891 int rval; 2892 uint32_t wait_time; 2893 2894 rval = QLA_SUCCESS; 2895 2896 atomic_set(&ha->loop_state, LOOP_UPDATE); 2897 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 2898 if (ha->flags.online) { 2899 if (!(rval = qla2x00_fw_ready(ha))) { 2900 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 2901 wait_time = 256; 2902 do { 2903 atomic_set(&ha->loop_state, LOOP_UPDATE); 2904 2905 /* Issue a marker after FW becomes ready. */ 2906 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 2907 ha->marker_needed = 0; 2908 2909 /* Remap devices on Loop. */ 2910 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 2911 2912 qla2x00_configure_loop(ha); 2913 wait_time--; 2914 } while (!atomic_read(&ha->loop_down_timer) && 2915 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 2916 wait_time && 2917 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 2918 } 2919 } 2920 2921 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { 2922 return (QLA_FUNCTION_FAILED); 2923 } 2924 2925 if (rval) { 2926 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 2927 } 2928 2929 return (rval); 2930 } 2931 2932 void 2933 qla2x00_rescan_fcports(scsi_qla_host_t *ha) 2934 { 2935 int rescan_done; 2936 fc_port_t *fcport; 2937 2938 rescan_done = 0; 2939 list_for_each_entry(fcport, &ha->fcports, list) { 2940 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) 2941 continue; 2942 2943 qla2x00_update_fcport(ha, fcport); 2944 fcport->flags &= ~FCF_RESCAN_NEEDED; 2945 2946 rescan_done = 1; 2947 } 2948 qla2x00_probe_for_all_luns(ha); 2949 } 2950 2951 void 2952 qla2x00_update_fcports(scsi_qla_host_t *ha) 2953 { 2954 fc_port_t *fcport; 2955 2956 /* Go with deferred removal of rport references. */ 2957 list_for_each_entry(fcport, &ha->fcports, list) 2958 if (fcport->drport) 2959 qla2x00_rport_del(fcport); 2960 } 2961 2962 /* 2963 * qla2x00_abort_isp 2964 * Resets ISP and aborts all outstanding commands. 2965 * 2966 * Input: 2967 * ha = adapter block pointer. 2968 * 2969 * Returns: 2970 * 0 = success 2971 */ 2972 int 2973 qla2x00_abort_isp(scsi_qla_host_t *ha) 2974 { 2975 unsigned long flags = 0; 2976 uint16_t cnt; 2977 srb_t *sp; 2978 uint8_t status = 0; 2979 2980 if (ha->flags.online) { 2981 ha->flags.online = 0; 2982 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 2983 2984 qla_printk(KERN_INFO, ha, 2985 "Performing ISP error recovery - ha= %p.\n", ha); 2986 ha->isp_ops.reset_chip(ha); 2987 2988 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 2989 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 2990 atomic_set(&ha->loop_state, LOOP_DOWN); 2991 qla2x00_mark_all_devices_lost(ha, 0); 2992 } else { 2993 if (!atomic_read(&ha->loop_down_timer)) 2994 atomic_set(&ha->loop_down_timer, 2995 LOOP_DOWN_TIME); 2996 } 2997 2998 spin_lock_irqsave(&ha->hardware_lock, flags); 2999 /* Requeue all commands in outstanding command list. */ 3000 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 3001 sp = ha->outstanding_cmds[cnt]; 3002 if (sp) { 3003 ha->outstanding_cmds[cnt] = NULL; 3004 sp->flags = 0; 3005 sp->cmd->result = DID_RESET << 16; 3006 sp->cmd->host_scribble = (unsigned char *)NULL; 3007 qla2x00_sp_compl(ha, sp); 3008 } 3009 } 3010 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3011 3012 ha->isp_ops.nvram_config(ha); 3013 3014 if (!qla2x00_restart_isp(ha)) { 3015 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3016 3017 if (!atomic_read(&ha->loop_down_timer)) { 3018 /* 3019 * Issue marker command only when we are going 3020 * to start the I/O . 3021 */ 3022 ha->marker_needed = 1; 3023 } 3024 3025 ha->flags.online = 1; 3026 3027 ha->isp_ops.enable_intrs(ha); 3028 3029 ha->isp_abort_cnt = 0; 3030 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3031 } else { /* failed the ISP abort */ 3032 ha->flags.online = 1; 3033 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { 3034 if (ha->isp_abort_cnt == 0) { 3035 qla_printk(KERN_WARNING, ha, 3036 "ISP error recovery failed - " 3037 "board disabled\n"); 3038 /* 3039 * The next call disables the board 3040 * completely. 3041 */ 3042 ha->isp_ops.reset_adapter(ha); 3043 ha->flags.online = 0; 3044 clear_bit(ISP_ABORT_RETRY, 3045 &ha->dpc_flags); 3046 status = 0; 3047 } else { /* schedule another ISP abort */ 3048 ha->isp_abort_cnt--; 3049 DEBUG(printk("qla%ld: ISP abort - " 3050 "retry remaining %d\n", 3051 ha->host_no, ha->isp_abort_cnt);) 3052 status = 1; 3053 } 3054 } else { 3055 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3056 DEBUG(printk("qla2x00(%ld): ISP error recovery " 3057 "- retrying (%d) more times\n", 3058 ha->host_no, ha->isp_abort_cnt);) 3059 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3060 status = 1; 3061 } 3062 } 3063 3064 } 3065 3066 if (status) { 3067 qla_printk(KERN_INFO, ha, 3068 "qla2x00_abort_isp: **** FAILED ****\n"); 3069 } else { 3070 DEBUG(printk(KERN_INFO 3071 "qla2x00_abort_isp(%ld): exiting.\n", 3072 ha->host_no);) 3073 } 3074 3075 return(status); 3076 } 3077 3078 /* 3079 * qla2x00_restart_isp 3080 * restarts the ISP after a reset 3081 * 3082 * Input: 3083 * ha = adapter block pointer. 3084 * 3085 * Returns: 3086 * 0 = success 3087 */ 3088 static int 3089 qla2x00_restart_isp(scsi_qla_host_t *ha) 3090 { 3091 uint8_t status = 0; 3092 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3093 unsigned long flags = 0; 3094 uint32_t wait_time; 3095 3096 /* If firmware needs to be loaded */ 3097 if (qla2x00_isp_firmware(ha)) { 3098 ha->flags.online = 0; 3099 if (!(status = ha->isp_ops.chip_diag(ha))) { 3100 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 3101 status = qla2x00_setup_chip(ha); 3102 goto done; 3103 } 3104 3105 spin_lock_irqsave(&ha->hardware_lock, flags); 3106 3107 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) { 3108 /* 3109 * Disable SRAM, Instruction RAM and GP RAM 3110 * parity. 3111 */ 3112 WRT_REG_WORD(®->hccr, 3113 (HCCR_ENABLE_PARITY + 0x0)); 3114 RD_REG_WORD(®->hccr); 3115 } 3116 3117 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3118 3119 status = qla2x00_setup_chip(ha); 3120 3121 spin_lock_irqsave(&ha->hardware_lock, flags); 3122 3123 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) { 3124 /* Enable proper parity */ 3125 if (IS_QLA2300(ha)) 3126 /* SRAM parity */ 3127 WRT_REG_WORD(®->hccr, 3128 (HCCR_ENABLE_PARITY + 0x1)); 3129 else 3130 /* 3131 * SRAM, Instruction RAM and GP RAM 3132 * parity. 3133 */ 3134 WRT_REG_WORD(®->hccr, 3135 (HCCR_ENABLE_PARITY + 0x7)); 3136 RD_REG_WORD(®->hccr); 3137 } 3138 3139 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3140 } 3141 } 3142 3143 done: 3144 if (!status && !(status = qla2x00_init_rings(ha))) { 3145 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3146 if (!(status = qla2x00_fw_ready(ha))) { 3147 DEBUG(printk("%s(): Start configure loop, " 3148 "status = %d\n", __func__, status);) 3149 3150 /* Issue a marker after FW becomes ready. */ 3151 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3152 3153 ha->flags.online = 1; 3154 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3155 wait_time = 256; 3156 do { 3157 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3158 qla2x00_configure_loop(ha); 3159 wait_time--; 3160 } while (!atomic_read(&ha->loop_down_timer) && 3161 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3162 wait_time && 3163 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3164 } 3165 3166 /* if no cable then assume it's good */ 3167 if ((ha->device_flags & DFLG_NO_CABLE)) 3168 status = 0; 3169 3170 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", 3171 __func__, 3172 status);) 3173 } 3174 return (status); 3175 } 3176 3177 /* 3178 * qla2x00_reset_adapter 3179 * Reset adapter. 3180 * 3181 * Input: 3182 * ha = adapter block pointer. 3183 */ 3184 void 3185 qla2x00_reset_adapter(scsi_qla_host_t *ha) 3186 { 3187 unsigned long flags = 0; 3188 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3189 3190 ha->flags.online = 0; 3191 ha->isp_ops.disable_intrs(ha); 3192 3193 spin_lock_irqsave(&ha->hardware_lock, flags); 3194 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 3195 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3196 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 3197 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3198 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3199 } 3200 3201 void 3202 qla24xx_reset_adapter(scsi_qla_host_t *ha) 3203 { 3204 unsigned long flags = 0; 3205 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3206 3207 ha->flags.online = 0; 3208 ha->isp_ops.disable_intrs(ha); 3209 3210 spin_lock_irqsave(&ha->hardware_lock, flags); 3211 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 3212 RD_REG_DWORD(®->hccr); 3213 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 3214 RD_REG_DWORD(®->hccr); 3215 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3216 } 3217 3218 int 3219 qla24xx_nvram_config(scsi_qla_host_t *ha) 3220 { 3221 int rval; 3222 struct init_cb_24xx *icb; 3223 struct nvram_24xx *nv; 3224 uint32_t *dptr; 3225 uint8_t *dptr1, *dptr2; 3226 uint32_t chksum; 3227 uint16_t cnt; 3228 3229 rval = QLA_SUCCESS; 3230 icb = (struct init_cb_24xx *)ha->init_cb; 3231 nv = (struct nvram_24xx *)ha->request_ring; 3232 3233 /* Determine NVRAM starting address. */ 3234 ha->nvram_size = sizeof(struct nvram_24xx); 3235 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 3236 ha->vpd_size = FA_NVRAM_VPD_SIZE; 3237 ha->vpd_base = FA_NVRAM_VPD0_ADDR; 3238 if (PCI_FUNC(ha->pdev->devfn)) { 3239 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 3240 ha->vpd_base = FA_NVRAM_VPD1_ADDR; 3241 } 3242 3243 /* Get NVRAM data and calculate checksum. */ 3244 dptr = (uint32_t *)nv; 3245 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, 3246 ha->nvram_size); 3247 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) 3248 chksum += le32_to_cpu(*dptr++); 3249 3250 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 3251 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, 3252 ha->nvram_size)); 3253 3254 /* Bad NVRAM data, set defaults parameters. */ 3255 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' 3256 || nv->id[3] != ' ' || 3257 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { 3258 /* Reset NVRAM data. */ 3259 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 3260 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 3261 le16_to_cpu(nv->nvram_version)); 3262 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 3263 "invalid -- WWPN) defaults.\n"); 3264 3265 /* 3266 * Set default initialization control block. 3267 */ 3268 memset(nv, 0, ha->nvram_size); 3269 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); 3270 nv->version = __constant_cpu_to_le16(ICB_VERSION); 3271 nv->frame_payload_size = __constant_cpu_to_le16(2048); 3272 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3273 nv->exchange_count = __constant_cpu_to_le16(0); 3274 nv->hard_address = __constant_cpu_to_le16(124); 3275 nv->port_name[0] = 0x21; 3276 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); 3277 nv->port_name[2] = 0x00; 3278 nv->port_name[3] = 0xe0; 3279 nv->port_name[4] = 0x8b; 3280 nv->port_name[5] = 0x1c; 3281 nv->port_name[6] = 0x55; 3282 nv->port_name[7] = 0x86; 3283 nv->node_name[0] = 0x20; 3284 nv->node_name[1] = 0x00; 3285 nv->node_name[2] = 0x00; 3286 nv->node_name[3] = 0xe0; 3287 nv->node_name[4] = 0x8b; 3288 nv->node_name[5] = 0x1c; 3289 nv->node_name[6] = 0x55; 3290 nv->node_name[7] = 0x86; 3291 nv->login_retry_count = __constant_cpu_to_le16(8); 3292 nv->link_down_timeout = __constant_cpu_to_le16(200); 3293 nv->interrupt_delay_timer = __constant_cpu_to_le16(0); 3294 nv->login_timeout = __constant_cpu_to_le16(0); 3295 nv->firmware_options_1 = 3296 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 3297 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); 3298 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); 3299 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); 3300 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); 3301 nv->efi_parameters = __constant_cpu_to_le32(0); 3302 nv->reset_delay = 5; 3303 nv->max_luns_per_target = __constant_cpu_to_le16(128); 3304 nv->port_down_retry_count = __constant_cpu_to_le16(30); 3305 nv->link_down_timeout = __constant_cpu_to_le16(30); 3306 3307 rval = 1; 3308 } 3309 3310 /* Reset Initialization control block */ 3311 memset(icb, 0, sizeof(struct init_cb_24xx)); 3312 3313 /* Copy 1st segment. */ 3314 dptr1 = (uint8_t *)icb; 3315 dptr2 = (uint8_t *)&nv->version; 3316 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 3317 while (cnt--) 3318 *dptr1++ = *dptr2++; 3319 3320 icb->login_retry_count = nv->login_retry_count; 3321 icb->link_down_timeout = nv->link_down_timeout; 3322 3323 /* Copy 2nd segment. */ 3324 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 3325 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 3326 cnt = (uint8_t *)&icb->reserved_3 - 3327 (uint8_t *)&icb->interrupt_delay_timer; 3328 while (cnt--) 3329 *dptr1++ = *dptr2++; 3330 3331 /* 3332 * Setup driver NVRAM options. 3333 */ 3334 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) { 3335 char *st, *en; 3336 uint16_t index; 3337 3338 strncpy(ha->model_number, nv->model_name, 3339 sizeof(nv->model_name)); 3340 st = en = ha->model_number; 3341 en += sizeof(nv->model_name) - 1; 3342 while (en > st) { 3343 if (*en != 0x20 && *en != 0x00) 3344 break; 3345 *en-- = '\0'; 3346 } 3347 3348 index = (ha->pdev->subsystem_device & 0xff); 3349 if (index < QLA_MODEL_NAMES) 3350 ha->model_desc = qla2x00_model_name[index * 2 + 1]; 3351 } else 3352 strcpy(ha->model_number, "QLA2462"); 3353 3354 /* Use alternate WWN? */ 3355 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) { 3356 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 3357 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 3358 } 3359 3360 /* Prepare nodename */ 3361 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) { 3362 /* 3363 * Firmware will apply the following mask if the nodename was 3364 * not provided. 3365 */ 3366 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 3367 icb->node_name[0] &= 0xF0; 3368 } 3369 3370 /* Set host adapter parameters. */ 3371 ha->flags.disable_risc_code_load = 0; 3372 ha->flags.enable_lip_reset = 1; 3373 ha->flags.enable_lip_full_login = 1; 3374 ha->flags.enable_target_reset = 1; 3375 ha->flags.enable_led_scheme = 0; 3376 3377 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & 3378 (BIT_6 | BIT_5 | BIT_4)) >> 4; 3379 3380 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 3381 sizeof(ha->fw_seriallink_options24)); 3382 3383 /* save HBA serial number */ 3384 ha->serial0 = icb->port_name[5]; 3385 ha->serial1 = icb->port_name[6]; 3386 ha->serial2 = icb->port_name[7]; 3387 ha->node_name = icb->node_name; 3388 ha->port_name = icb->port_name; 3389 3390 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3391 3392 ha->retry_count = le16_to_cpu(nv->login_retry_count); 3393 3394 /* Set minimum login_timeout to 4 seconds. */ 3395 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 3396 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 3397 if (le16_to_cpu(nv->login_timeout) < 4) 3398 nv->login_timeout = __constant_cpu_to_le16(4); 3399 ha->login_timeout = le16_to_cpu(nv->login_timeout); 3400 icb->login_timeout = cpu_to_le16(nv->login_timeout); 3401 3402 /* Set minimum RATOV to 200 tenths of a second. */ 3403 ha->r_a_tov = 200; 3404 3405 ha->loop_reset_delay = nv->reset_delay; 3406 3407 /* Link Down Timeout = 0: 3408 * 3409 * When Port Down timer expires we will start returning 3410 * I/O's to OS with "DID_NO_CONNECT". 3411 * 3412 * Link Down Timeout != 0: 3413 * 3414 * The driver waits for the link to come up after link down 3415 * before returning I/Os to OS with "DID_NO_CONNECT". 3416 */ 3417 if (le16_to_cpu(nv->link_down_timeout) == 0) { 3418 ha->loop_down_abort_time = 3419 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 3420 } else { 3421 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 3422 ha->loop_down_abort_time = 3423 (LOOP_DOWN_TIME - ha->link_down_timeout); 3424 } 3425 3426 /* Need enough time to try and get the port back. */ 3427 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 3428 if (qlport_down_retry) 3429 ha->port_down_retry_count = qlport_down_retry; 3430 3431 /* Set login_retry_count */ 3432 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 3433 if (ha->port_down_retry_count == 3434 le16_to_cpu(nv->port_down_retry_count) && 3435 ha->port_down_retry_count > 3) 3436 ha->login_retry_count = ha->port_down_retry_count; 3437 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 3438 ha->login_retry_count = ha->port_down_retry_count; 3439 if (ql2xloginretrycount) 3440 ha->login_retry_count = ql2xloginretrycount; 3441 3442 /* Enable ZIO. */ 3443 if (!ha->flags.init_done) { 3444 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 3445 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 3446 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 3447 le16_to_cpu(icb->interrupt_delay_timer): 2; 3448 } 3449 icb->firmware_options_2 &= __constant_cpu_to_le32( 3450 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 3451 ha->flags.process_response_queue = 0; 3452 if (ha->zio_mode != QLA_ZIO_DISABLED) { 3453 ha->zio_mode = QLA_ZIO_MODE_6; 3454 3455 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay " 3456 "(%d us).\n", ha->host_no, ha->zio_mode, 3457 ha->zio_timer * 100)); 3458 qla_printk(KERN_INFO, ha, 3459 "ZIO mode %d enabled; timer delay (%d us).\n", 3460 ha->zio_mode, ha->zio_timer * 100); 3461 3462 icb->firmware_options_2 |= cpu_to_le32( 3463 (uint32_t)ha->zio_mode); 3464 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 3465 ha->flags.process_response_queue = 1; 3466 } 3467 3468 if (rval) { 3469 DEBUG2_3(printk(KERN_WARNING 3470 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 3471 } 3472 return (rval); 3473 } 3474 3475 int 3476 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3477 { 3478 int rval; 3479 int segments, fragment; 3480 uint32_t faddr; 3481 uint32_t *dcode, dlen; 3482 uint32_t risc_addr; 3483 uint32_t risc_size; 3484 uint32_t i; 3485 3486 rval = QLA_SUCCESS; 3487 3488 segments = FA_RISC_CODE_SEGMENTS; 3489 faddr = FA_RISC_CODE_ADDR; 3490 dcode = (uint32_t *)ha->request_ring; 3491 *srisc_addr = 0; 3492 3493 /* Validate firmware image by checking version. */ 3494 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); 3495 for (i = 0; i < 4; i++) 3496 dcode[i] = be32_to_cpu(dcode[i]); 3497 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3498 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3499 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3500 dcode[3] == 0)) { 3501 qla_printk(KERN_WARNING, ha, 3502 "Unable to verify integrity of flash firmware image!\n"); 3503 qla_printk(KERN_WARNING, ha, 3504 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3505 dcode[1], dcode[2], dcode[3]); 3506 3507 return QLA_FUNCTION_FAILED; 3508 } 3509 3510 while (segments && rval == QLA_SUCCESS) { 3511 /* Read segment's load information. */ 3512 qla24xx_read_flash_data(ha, dcode, faddr, 4); 3513 3514 risc_addr = be32_to_cpu(dcode[2]); 3515 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3516 risc_size = be32_to_cpu(dcode[3]); 3517 3518 fragment = 0; 3519 while (risc_size > 0 && rval == QLA_SUCCESS) { 3520 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3521 if (dlen > risc_size) 3522 dlen = risc_size; 3523 3524 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3525 "addr %x, number of dwords 0x%x, offset 0x%x.\n", 3526 ha->host_no, risc_addr, dlen, faddr)); 3527 3528 qla24xx_read_flash_data(ha, dcode, faddr, dlen); 3529 for (i = 0; i < dlen; i++) 3530 dcode[i] = swab32(dcode[i]); 3531 3532 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3533 dlen); 3534 if (rval) { 3535 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3536 "segment %d of firmware\n", ha->host_no, 3537 fragment)); 3538 qla_printk(KERN_WARNING, ha, 3539 "[ERROR] Failed to load segment %d of " 3540 "firmware\n", fragment); 3541 break; 3542 } 3543 3544 faddr += dlen; 3545 risc_addr += dlen; 3546 risc_size -= dlen; 3547 fragment++; 3548 } 3549 3550 /* Next segment. */ 3551 segments--; 3552 } 3553 3554 return rval; 3555 } 3556 3557 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/" 3558 3559 int 3560 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3561 { 3562 int rval; 3563 int i, fragment; 3564 uint16_t *wcode, *fwcode; 3565 uint32_t risc_addr, risc_size, fwclen, wlen, *seg; 3566 struct fw_blob *blob; 3567 3568 /* Load firmware blob. */ 3569 blob = qla2x00_request_firmware(ha); 3570 if (!blob) { 3571 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3572 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3573 "from: " QLA_FW_URL ".\n"); 3574 return QLA_FUNCTION_FAILED; 3575 } 3576 3577 rval = QLA_SUCCESS; 3578 3579 wcode = (uint16_t *)ha->request_ring; 3580 *srisc_addr = 0; 3581 fwcode = (uint16_t *)blob->fw->data; 3582 fwclen = 0; 3583 3584 /* Validate firmware image by checking version. */ 3585 if (blob->fw->size < 8 * sizeof(uint16_t)) { 3586 qla_printk(KERN_WARNING, ha, 3587 "Unable to verify integrity of firmware image (%Zd)!\n", 3588 blob->fw->size); 3589 goto fail_fw_integrity; 3590 } 3591 for (i = 0; i < 4; i++) 3592 wcode[i] = be16_to_cpu(fwcode[i + 4]); 3593 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && 3594 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && 3595 wcode[2] == 0 && wcode[3] == 0)) { 3596 qla_printk(KERN_WARNING, ha, 3597 "Unable to verify integrity of firmware image!\n"); 3598 qla_printk(KERN_WARNING, ha, 3599 "Firmware data: %04x %04x %04x %04x!\n", wcode[0], 3600 wcode[1], wcode[2], wcode[3]); 3601 goto fail_fw_integrity; 3602 } 3603 3604 seg = blob->segs; 3605 while (*seg && rval == QLA_SUCCESS) { 3606 risc_addr = *seg; 3607 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; 3608 risc_size = be16_to_cpu(fwcode[3]); 3609 3610 /* Validate firmware image size. */ 3611 fwclen += risc_size * sizeof(uint16_t); 3612 if (blob->fw->size < fwclen) { 3613 qla_printk(KERN_WARNING, ha, 3614 "Unable to verify integrity of firmware image " 3615 "(%Zd)!\n", blob->fw->size); 3616 goto fail_fw_integrity; 3617 } 3618 3619 fragment = 0; 3620 while (risc_size > 0 && rval == QLA_SUCCESS) { 3621 wlen = (uint16_t)(ha->fw_transfer_size >> 1); 3622 if (wlen > risc_size) 3623 wlen = risc_size; 3624 3625 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3626 "addr %x, number of words 0x%x.\n", ha->host_no, 3627 risc_addr, wlen)); 3628 3629 for (i = 0; i < wlen; i++) 3630 wcode[i] = swab16(fwcode[i]); 3631 3632 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3633 wlen); 3634 if (rval) { 3635 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3636 "segment %d of firmware\n", ha->host_no, 3637 fragment)); 3638 qla_printk(KERN_WARNING, ha, 3639 "[ERROR] Failed to load segment %d of " 3640 "firmware\n", fragment); 3641 break; 3642 } 3643 3644 fwcode += wlen; 3645 risc_addr += wlen; 3646 risc_size -= wlen; 3647 fragment++; 3648 } 3649 3650 /* Next segment. */ 3651 seg++; 3652 } 3653 return rval; 3654 3655 fail_fw_integrity: 3656 return QLA_FUNCTION_FAILED; 3657 } 3658 3659 int 3660 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3661 { 3662 int rval; 3663 int segments, fragment; 3664 uint32_t *dcode, dlen; 3665 uint32_t risc_addr; 3666 uint32_t risc_size; 3667 uint32_t i; 3668 struct fw_blob *blob; 3669 uint32_t *fwcode, fwclen; 3670 3671 /* Load firmware blob. */ 3672 blob = qla2x00_request_firmware(ha); 3673 if (!blob) { 3674 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3675 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3676 "from: " QLA_FW_URL ".\n"); 3677 3678 /* Try to load RISC code from flash. */ 3679 qla_printk(KERN_ERR, ha, "Attempting to load (potentially " 3680 "outdated) firmware from flash.\n"); 3681 return qla24xx_load_risc_flash(ha, srisc_addr); 3682 } 3683 3684 rval = QLA_SUCCESS; 3685 3686 segments = FA_RISC_CODE_SEGMENTS; 3687 dcode = (uint32_t *)ha->request_ring; 3688 *srisc_addr = 0; 3689 fwcode = (uint32_t *)blob->fw->data; 3690 fwclen = 0; 3691 3692 /* Validate firmware image by checking version. */ 3693 if (blob->fw->size < 8 * sizeof(uint32_t)) { 3694 qla_printk(KERN_WARNING, ha, 3695 "Unable to verify integrity of firmware image (%Zd)!\n", 3696 blob->fw->size); 3697 goto fail_fw_integrity; 3698 } 3699 for (i = 0; i < 4; i++) 3700 dcode[i] = be32_to_cpu(fwcode[i + 4]); 3701 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3702 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3703 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3704 dcode[3] == 0)) { 3705 qla_printk(KERN_WARNING, ha, 3706 "Unable to verify integrity of firmware image!\n"); 3707 qla_printk(KERN_WARNING, ha, 3708 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3709 dcode[1], dcode[2], dcode[3]); 3710 goto fail_fw_integrity; 3711 } 3712 3713 while (segments && rval == QLA_SUCCESS) { 3714 risc_addr = be32_to_cpu(fwcode[2]); 3715 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3716 risc_size = be32_to_cpu(fwcode[3]); 3717 3718 /* Validate firmware image size. */ 3719 fwclen += risc_size * sizeof(uint32_t); 3720 if (blob->fw->size < fwclen) { 3721 qla_printk(KERN_WARNING, ha, 3722 "Unable to verify integrity of firmware image " 3723 "(%Zd)!\n", blob->fw->size); 3724 3725 goto fail_fw_integrity; 3726 } 3727 3728 fragment = 0; 3729 while (risc_size > 0 && rval == QLA_SUCCESS) { 3730 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3731 if (dlen > risc_size) 3732 dlen = risc_size; 3733 3734 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3735 "addr %x, number of dwords 0x%x.\n", ha->host_no, 3736 risc_addr, dlen)); 3737 3738 for (i = 0; i < dlen; i++) 3739 dcode[i] = swab32(fwcode[i]); 3740 3741 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3742 dlen); 3743 if (rval) { 3744 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3745 "segment %d of firmware\n", ha->host_no, 3746 fragment)); 3747 qla_printk(KERN_WARNING, ha, 3748 "[ERROR] Failed to load segment %d of " 3749 "firmware\n", fragment); 3750 break; 3751 } 3752 3753 fwcode += dlen; 3754 risc_addr += dlen; 3755 risc_size -= dlen; 3756 fragment++; 3757 } 3758 3759 /* Next segment. */ 3760 segments--; 3761 } 3762 return rval; 3763 3764 fail_fw_integrity: 3765 return QLA_FUNCTION_FAILED; 3766 } 3767