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 static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev); 43 44 /****************************************************************************/ 45 /* QLogic ISP2x00 Hardware Support Functions. */ 46 /****************************************************************************/ 47 48 /* 49 * qla2x00_initialize_adapter 50 * Initialize board. 51 * 52 * Input: 53 * ha = adapter block pointer. 54 * 55 * Returns: 56 * 0 = success 57 */ 58 int 59 qla2x00_initialize_adapter(scsi_qla_host_t *ha) 60 { 61 int rval; 62 uint8_t restart_risc = 0; 63 uint8_t retry; 64 uint32_t wait_time; 65 66 /* Clear adapter flags. */ 67 ha->flags.online = 0; 68 ha->flags.reset_active = 0; 69 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 70 atomic_set(&ha->loop_state, LOOP_DOWN); 71 ha->device_flags = 0; 72 ha->dpc_flags = 0; 73 ha->flags.management_server_logged_in = 0; 74 ha->marker_needed = 0; 75 ha->mbx_flags = 0; 76 ha->isp_abort_cnt = 0; 77 ha->beacon_blink_led = 0; 78 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); 79 80 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 81 rval = ha->isp_ops.pci_config(ha); 82 if (rval) { 83 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n", 84 ha->host_no)); 85 return (rval); 86 } 87 88 ha->isp_ops.reset_chip(ha); 89 90 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); 91 92 ha->isp_ops.nvram_config(ha); 93 94 if (ha->flags.disable_serdes) { 95 /* Mask HBA via NVRAM settings? */ 96 qla_printk(KERN_INFO, ha, "Masking HBA WWPN " 97 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n", 98 ha->port_name[0], ha->port_name[1], 99 ha->port_name[2], ha->port_name[3], 100 ha->port_name[4], ha->port_name[5], 101 ha->port_name[6], ha->port_name[7]); 102 return QLA_FUNCTION_FAILED; 103 } 104 105 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); 106 107 retry = 10; 108 /* 109 * Try to configure the loop. 110 */ 111 do { 112 restart_risc = 0; 113 114 /* If firmware needs to be loaded */ 115 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { 116 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) { 117 rval = qla2x00_setup_chip(ha); 118 } 119 } 120 121 if (rval == QLA_SUCCESS && 122 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) { 123 check_fw_ready_again: 124 /* 125 * Wait for a successful LIP up to a maximum 126 * of (in seconds): RISC login timeout value, 127 * RISC retry count value, and port down retry 128 * value OR a minimum of 4 seconds OR If no 129 * cable, only 5 seconds. 130 */ 131 rval = qla2x00_fw_ready(ha); 132 if (rval == QLA_SUCCESS) { 133 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 134 135 /* Issue a marker after FW becomes ready. */ 136 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 137 138 /* 139 * Wait at most MAX_TARGET RSCNs for a stable 140 * link. 141 */ 142 wait_time = 256; 143 do { 144 clear_bit(LOOP_RESYNC_NEEDED, 145 &ha->dpc_flags); 146 rval = qla2x00_configure_loop(ha); 147 148 if (test_and_clear_bit(ISP_ABORT_NEEDED, 149 &ha->dpc_flags)) { 150 restart_risc = 1; 151 break; 152 } 153 154 /* 155 * If loop state change while we were 156 * discoverying devices then wait for 157 * LIP to complete 158 */ 159 160 if (atomic_read(&ha->loop_state) != 161 LOOP_READY && retry--) { 162 goto check_fw_ready_again; 163 } 164 wait_time--; 165 } while (!atomic_read(&ha->loop_down_timer) && 166 retry && 167 wait_time && 168 (test_bit(LOOP_RESYNC_NEEDED, 169 &ha->dpc_flags))); 170 171 if (wait_time == 0) 172 rval = QLA_FUNCTION_FAILED; 173 } else if (ha->device_flags & DFLG_NO_CABLE) 174 /* If no cable, then all is good. */ 175 rval = QLA_SUCCESS; 176 } 177 } while (restart_risc && retry--); 178 179 if (rval == QLA_SUCCESS) { 180 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 181 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 182 ha->marker_needed = 0; 183 184 ha->flags.online = 1; 185 } else { 186 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 187 } 188 189 return (rval); 190 } 191 192 /** 193 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. 194 * @ha: HA context 195 * 196 * Returns 0 on success. 197 */ 198 int 199 qla2100_pci_config(scsi_qla_host_t *ha) 200 { 201 uint16_t w, mwi; 202 uint32_t d; 203 unsigned long flags; 204 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 205 206 pci_set_master(ha->pdev); 207 mwi = 0; 208 if (pci_set_mwi(ha->pdev)) 209 mwi = PCI_COMMAND_INVALIDATE; 210 211 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 212 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 213 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 214 215 /* Reset expansion ROM address decode enable */ 216 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 217 d &= ~PCI_ROM_ADDRESS_ENABLE; 218 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 219 220 /* Get PCI bus information. */ 221 spin_lock_irqsave(&ha->hardware_lock, flags); 222 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 223 spin_unlock_irqrestore(&ha->hardware_lock, flags); 224 225 return QLA_SUCCESS; 226 } 227 228 /** 229 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. 230 * @ha: HA context 231 * 232 * Returns 0 on success. 233 */ 234 int 235 qla2300_pci_config(scsi_qla_host_t *ha) 236 { 237 uint16_t w, mwi; 238 uint32_t d; 239 unsigned long flags = 0; 240 uint32_t cnt; 241 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 242 243 pci_set_master(ha->pdev); 244 mwi = 0; 245 if (pci_set_mwi(ha->pdev)) 246 mwi = PCI_COMMAND_INVALIDATE; 247 248 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 249 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 250 251 if (IS_QLA2322(ha) || IS_QLA6322(ha)) 252 w &= ~PCI_COMMAND_INTX_DISABLE; 253 254 /* 255 * If this is a 2300 card and not 2312, reset the 256 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, 257 * the 2310 also reports itself as a 2300 so we need to get the 258 * fb revision level -- a 6 indicates it really is a 2300 and 259 * not a 2310. 260 */ 261 if (IS_QLA2300(ha)) { 262 spin_lock_irqsave(&ha->hardware_lock, flags); 263 264 /* Pause RISC. */ 265 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 266 for (cnt = 0; cnt < 30000; cnt++) { 267 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) != 0) 268 break; 269 270 udelay(10); 271 } 272 273 /* Select FPM registers. */ 274 WRT_REG_WORD(®->ctrl_status, 0x20); 275 RD_REG_WORD(®->ctrl_status); 276 277 /* Get the fb rev level */ 278 ha->fb_rev = RD_FB_CMD_REG(ha, reg); 279 280 if (ha->fb_rev == FPM_2300) 281 w &= ~PCI_COMMAND_INVALIDATE; 282 283 /* Deselect FPM registers. */ 284 WRT_REG_WORD(®->ctrl_status, 0x0); 285 RD_REG_WORD(®->ctrl_status); 286 287 /* Release RISC module. */ 288 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 289 for (cnt = 0; cnt < 30000; cnt++) { 290 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0) 291 break; 292 293 udelay(10); 294 } 295 296 spin_unlock_irqrestore(&ha->hardware_lock, flags); 297 } 298 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 299 300 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 301 302 /* Reset expansion ROM address decode enable */ 303 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 304 d &= ~PCI_ROM_ADDRESS_ENABLE; 305 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 306 307 /* Get PCI bus information. */ 308 spin_lock_irqsave(&ha->hardware_lock, flags); 309 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 310 spin_unlock_irqrestore(&ha->hardware_lock, flags); 311 312 return QLA_SUCCESS; 313 } 314 315 /** 316 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers. 317 * @ha: HA context 318 * 319 * Returns 0 on success. 320 */ 321 int 322 qla24xx_pci_config(scsi_qla_host_t *ha) 323 { 324 uint16_t w, mwi; 325 uint32_t d; 326 unsigned long flags = 0; 327 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 328 int pcix_cmd_reg, pcie_dctl_reg; 329 330 pci_set_master(ha->pdev); 331 mwi = 0; 332 if (pci_set_mwi(ha->pdev)) 333 mwi = PCI_COMMAND_INVALIDATE; 334 335 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 336 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 337 w &= ~PCI_COMMAND_INTX_DISABLE; 338 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 339 340 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 341 342 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */ 343 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX); 344 if (pcix_cmd_reg) { 345 uint16_t pcix_cmd; 346 347 pcix_cmd_reg += PCI_X_CMD; 348 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd); 349 pcix_cmd &= ~PCI_X_CMD_MAX_READ; 350 pcix_cmd |= 0x0008; 351 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd); 352 } 353 354 /* PCIe -- adjust Maximum Read Request Size (2048). */ 355 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); 356 if (pcie_dctl_reg) { 357 uint16_t pcie_dctl; 358 359 pcie_dctl_reg += PCI_EXP_DEVCTL; 360 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl); 361 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ; 362 pcie_dctl |= 0x4000; 363 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl); 364 } 365 366 /* Reset expansion ROM address decode enable */ 367 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 368 d &= ~PCI_ROM_ADDRESS_ENABLE; 369 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 370 371 /* Get PCI bus information. */ 372 spin_lock_irqsave(&ha->hardware_lock, flags); 373 ha->pci_attr = RD_REG_DWORD(®->ctrl_status); 374 spin_unlock_irqrestore(&ha->hardware_lock, flags); 375 376 return QLA_SUCCESS; 377 } 378 379 /** 380 * qla2x00_isp_firmware() - Choose firmware image. 381 * @ha: HA context 382 * 383 * Returns 0 on success. 384 */ 385 static int 386 qla2x00_isp_firmware(scsi_qla_host_t *ha) 387 { 388 int rval; 389 390 /* Assume loading risc code */ 391 rval = QLA_FUNCTION_FAILED; 392 393 if (ha->flags.disable_risc_code_load) { 394 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", 395 ha->host_no)); 396 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); 397 398 /* Verify checksum of loaded RISC code. */ 399 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address); 400 } 401 402 if (rval) { 403 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", 404 ha->host_no)); 405 } 406 407 return (rval); 408 } 409 410 /** 411 * qla2x00_reset_chip() - Reset ISP chip. 412 * @ha: HA context 413 * 414 * Returns 0 on success. 415 */ 416 void 417 qla2x00_reset_chip(scsi_qla_host_t *ha) 418 { 419 unsigned long flags = 0; 420 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 421 uint32_t cnt; 422 uint16_t cmd; 423 424 ha->isp_ops.disable_intrs(ha); 425 426 spin_lock_irqsave(&ha->hardware_lock, flags); 427 428 /* Turn off master enable */ 429 cmd = 0; 430 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); 431 cmd &= ~PCI_COMMAND_MASTER; 432 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 433 434 if (!IS_QLA2100(ha)) { 435 /* Pause RISC. */ 436 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 437 if (IS_QLA2200(ha) || IS_QLA2300(ha)) { 438 for (cnt = 0; cnt < 30000; cnt++) { 439 if ((RD_REG_WORD(®->hccr) & 440 HCCR_RISC_PAUSE) != 0) 441 break; 442 udelay(100); 443 } 444 } else { 445 RD_REG_WORD(®->hccr); /* PCI Posting. */ 446 udelay(10); 447 } 448 449 /* Select FPM registers. */ 450 WRT_REG_WORD(®->ctrl_status, 0x20); 451 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 452 453 /* FPM Soft Reset. */ 454 WRT_REG_WORD(®->fpm_diag_config, 0x100); 455 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 456 457 /* Toggle Fpm Reset. */ 458 if (!IS_QLA2200(ha)) { 459 WRT_REG_WORD(®->fpm_diag_config, 0x0); 460 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 461 } 462 463 /* Select frame buffer registers. */ 464 WRT_REG_WORD(®->ctrl_status, 0x10); 465 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 466 467 /* Reset frame buffer FIFOs. */ 468 if (IS_QLA2200(ha)) { 469 WRT_FB_CMD_REG(ha, reg, 0xa000); 470 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ 471 } else { 472 WRT_FB_CMD_REG(ha, reg, 0x00fc); 473 474 /* Read back fb_cmd until zero or 3 seconds max */ 475 for (cnt = 0; cnt < 3000; cnt++) { 476 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) 477 break; 478 udelay(100); 479 } 480 } 481 482 /* Select RISC module registers. */ 483 WRT_REG_WORD(®->ctrl_status, 0); 484 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 485 486 /* Reset RISC processor. */ 487 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 488 RD_REG_WORD(®->hccr); /* PCI Posting. */ 489 490 /* Release RISC processor. */ 491 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 492 RD_REG_WORD(®->hccr); /* PCI Posting. */ 493 } 494 495 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 496 WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); 497 498 /* Reset ISP chip. */ 499 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 500 501 /* Wait for RISC to recover from reset. */ 502 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 503 /* 504 * It is necessary to for a delay here since the card doesn't 505 * respond to PCI reads during a reset. On some architectures 506 * this will result in an MCA. 507 */ 508 udelay(20); 509 for (cnt = 30000; cnt; cnt--) { 510 if ((RD_REG_WORD(®->ctrl_status) & 511 CSR_ISP_SOFT_RESET) == 0) 512 break; 513 udelay(100); 514 } 515 } else 516 udelay(10); 517 518 /* Reset RISC processor. */ 519 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 520 521 WRT_REG_WORD(®->semaphore, 0); 522 523 /* Release RISC processor. */ 524 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 525 RD_REG_WORD(®->hccr); /* PCI Posting. */ 526 527 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 528 for (cnt = 0; cnt < 30000; cnt++) { 529 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) 530 break; 531 532 udelay(100); 533 } 534 } else 535 udelay(100); 536 537 /* Turn on master enable */ 538 cmd |= PCI_COMMAND_MASTER; 539 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 540 541 /* Disable RISC pause on FPM parity error. */ 542 if (!IS_QLA2100(ha)) { 543 WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); 544 RD_REG_WORD(®->hccr); /* PCI Posting. */ 545 } 546 547 spin_unlock_irqrestore(&ha->hardware_lock, flags); 548 } 549 550 /** 551 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC. 552 * @ha: HA context 553 * 554 * Returns 0 on success. 555 */ 556 static inline void 557 qla24xx_reset_risc(scsi_qla_host_t *ha) 558 { 559 unsigned long flags = 0; 560 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 561 uint32_t cnt, d2; 562 uint16_t wd; 563 564 spin_lock_irqsave(&ha->hardware_lock, flags); 565 566 /* Reset RISC. */ 567 WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 568 for (cnt = 0; cnt < 30000; cnt++) { 569 if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) 570 break; 571 572 udelay(10); 573 } 574 575 WRT_REG_DWORD(®->ctrl_status, 576 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 577 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd); 578 579 udelay(100); 580 /* Wait for firmware to complete NVRAM accesses. */ 581 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 582 for (cnt = 10000 ; cnt && d2; cnt--) { 583 udelay(5); 584 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 585 barrier(); 586 } 587 588 /* Wait for soft-reset to complete. */ 589 d2 = RD_REG_DWORD(®->ctrl_status); 590 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) { 591 udelay(5); 592 d2 = RD_REG_DWORD(®->ctrl_status); 593 barrier(); 594 } 595 596 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 597 RD_REG_DWORD(®->hccr); 598 599 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 600 RD_REG_DWORD(®->hccr); 601 602 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET); 603 RD_REG_DWORD(®->hccr); 604 605 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 606 for (cnt = 6000000 ; cnt && d2; cnt--) { 607 udelay(5); 608 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 609 barrier(); 610 } 611 612 spin_unlock_irqrestore(&ha->hardware_lock, flags); 613 } 614 615 /** 616 * qla24xx_reset_chip() - Reset ISP24xx chip. 617 * @ha: HA context 618 * 619 * Returns 0 on success. 620 */ 621 void 622 qla24xx_reset_chip(scsi_qla_host_t *ha) 623 { 624 ha->isp_ops.disable_intrs(ha); 625 626 /* Perform RISC reset. */ 627 qla24xx_reset_risc(ha); 628 } 629 630 /** 631 * qla2x00_chip_diag() - Test chip for proper operation. 632 * @ha: HA context 633 * 634 * Returns 0 on success. 635 */ 636 int 637 qla2x00_chip_diag(scsi_qla_host_t *ha) 638 { 639 int rval; 640 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 641 unsigned long flags = 0; 642 uint16_t data; 643 uint32_t cnt; 644 uint16_t mb[5]; 645 646 /* Assume a failed state */ 647 rval = QLA_FUNCTION_FAILED; 648 649 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", 650 ha->host_no, (u_long)®->flash_address)); 651 652 spin_lock_irqsave(&ha->hardware_lock, flags); 653 654 /* Reset ISP chip. */ 655 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 656 657 /* 658 * We need to have a delay here since the card will not respond while 659 * in reset causing an MCA on some architectures. 660 */ 661 udelay(20); 662 data = qla2x00_debounce_register(®->ctrl_status); 663 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { 664 udelay(5); 665 data = RD_REG_WORD(®->ctrl_status); 666 barrier(); 667 } 668 669 if (!cnt) 670 goto chip_diag_failed; 671 672 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", 673 ha->host_no)); 674 675 /* Reset RISC processor. */ 676 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 677 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 678 679 /* Workaround for QLA2312 PCI parity error */ 680 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 681 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); 682 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { 683 udelay(5); 684 data = RD_MAILBOX_REG(ha, reg, 0); 685 barrier(); 686 } 687 } else 688 udelay(10); 689 690 if (!cnt) 691 goto chip_diag_failed; 692 693 /* Check product ID of chip */ 694 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); 695 696 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 697 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 698 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 699 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); 700 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || 701 mb[3] != PROD_ID_3) { 702 qla_printk(KERN_WARNING, ha, 703 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); 704 705 goto chip_diag_failed; 706 } 707 ha->product_id[0] = mb[1]; 708 ha->product_id[1] = mb[2]; 709 ha->product_id[2] = mb[3]; 710 ha->product_id[3] = mb[4]; 711 712 /* Adjust fw RISC transfer size */ 713 if (ha->request_q_length > 1024) 714 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 715 else 716 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 717 ha->request_q_length; 718 719 if (IS_QLA2200(ha) && 720 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { 721 /* Limit firmware transfer size with a 2200A */ 722 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", 723 ha->host_no)); 724 725 ha->device_type |= DT_ISP2200A; 726 ha->fw_transfer_size = 128; 727 } 728 729 /* Wrap Incoming Mailboxes Test. */ 730 spin_unlock_irqrestore(&ha->hardware_lock, flags); 731 732 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); 733 rval = qla2x00_mbx_reg_test(ha); 734 if (rval) { 735 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 736 ha->host_no)); 737 qla_printk(KERN_WARNING, ha, 738 "Failed mailbox send register test\n"); 739 } 740 else { 741 /* Flag a successful rval */ 742 rval = QLA_SUCCESS; 743 } 744 spin_lock_irqsave(&ha->hardware_lock, flags); 745 746 chip_diag_failed: 747 if (rval) 748 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " 749 "****\n", ha->host_no)); 750 751 spin_unlock_irqrestore(&ha->hardware_lock, flags); 752 753 return (rval); 754 } 755 756 /** 757 * qla24xx_chip_diag() - Test ISP24xx for proper operation. 758 * @ha: HA context 759 * 760 * Returns 0 on success. 761 */ 762 int 763 qla24xx_chip_diag(scsi_qla_host_t *ha) 764 { 765 int rval; 766 767 /* Perform RISC reset. */ 768 qla24xx_reset_risc(ha); 769 770 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 771 772 rval = qla2x00_mbx_reg_test(ha); 773 if (rval) { 774 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 775 ha->host_no)); 776 qla_printk(KERN_WARNING, ha, 777 "Failed mailbox send register test\n"); 778 } else { 779 /* Flag a successful rval */ 780 rval = QLA_SUCCESS; 781 } 782 783 return rval; 784 } 785 786 void 787 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) 788 { 789 int rval; 790 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size, 791 eft_size; 792 dma_addr_t eft_dma; 793 void *eft; 794 795 if (ha->fw_dump) { 796 qla_printk(KERN_WARNING, ha, 797 "Firmware dump previously allocated.\n"); 798 return; 799 } 800 801 ha->fw_dumped = 0; 802 fixed_size = mem_size = eft_size = 0; 803 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 804 fixed_size = sizeof(struct qla2100_fw_dump); 805 } else if (IS_QLA23XX(ha)) { 806 fixed_size = offsetof(struct qla2300_fw_dump, data_ram); 807 mem_size = (ha->fw_memory_size - 0x11000 + 1) * 808 sizeof(uint16_t); 809 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { 810 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem); 811 mem_size = (ha->fw_memory_size - 0x100000 + 1) * 812 sizeof(uint32_t); 813 814 /* Allocate memory for Extended Trace Buffer. */ 815 eft = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &eft_dma, 816 GFP_KERNEL); 817 if (!eft) { 818 qla_printk(KERN_WARNING, ha, "Unable to allocate " 819 "(%d KB) for EFT.\n", EFT_SIZE / 1024); 820 goto cont_alloc; 821 } 822 823 rval = qla2x00_trace_control(ha, TC_ENABLE, eft_dma, 824 EFT_NUM_BUFFERS); 825 if (rval) { 826 qla_printk(KERN_WARNING, ha, "Unable to initialize " 827 "EFT (%d).\n", rval); 828 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, eft, 829 eft_dma); 830 goto cont_alloc; 831 } 832 833 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n", 834 EFT_SIZE / 1024); 835 836 eft_size = EFT_SIZE; 837 memset(eft, 0, eft_size); 838 ha->eft_dma = eft_dma; 839 ha->eft = eft; 840 } 841 cont_alloc: 842 req_q_size = ha->request_q_length * sizeof(request_t); 843 rsp_q_size = ha->response_q_length * sizeof(response_t); 844 845 dump_size = offsetof(struct qla2xxx_fw_dump, isp); 846 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + 847 eft_size; 848 849 ha->fw_dump = vmalloc(dump_size); 850 if (!ha->fw_dump) { 851 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for " 852 "firmware dump!!!\n", dump_size / 1024); 853 854 if (ha->eft) { 855 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft, 856 ha->eft_dma); 857 ha->eft = NULL; 858 ha->eft_dma = 0; 859 } 860 return; 861 } 862 863 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n", 864 dump_size / 1024); 865 866 ha->fw_dump_len = dump_size; 867 ha->fw_dump->signature[0] = 'Q'; 868 ha->fw_dump->signature[1] = 'L'; 869 ha->fw_dump->signature[2] = 'G'; 870 ha->fw_dump->signature[3] = 'C'; 871 ha->fw_dump->version = __constant_htonl(1); 872 873 ha->fw_dump->fixed_size = htonl(fixed_size); 874 ha->fw_dump->mem_size = htonl(mem_size); 875 ha->fw_dump->req_q_size = htonl(req_q_size); 876 ha->fw_dump->rsp_q_size = htonl(rsp_q_size); 877 878 ha->fw_dump->eft_size = htonl(eft_size); 879 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma)); 880 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma)); 881 882 ha->fw_dump->header_size = 883 htonl(offsetof(struct qla2xxx_fw_dump, isp)); 884 } 885 886 /** 887 * qla2x00_resize_request_q() - Resize request queue given available ISP memory. 888 * @ha: HA context 889 * 890 * Returns 0 on success. 891 */ 892 static void 893 qla2x00_resize_request_q(scsi_qla_host_t *ha) 894 { 895 int rval; 896 uint16_t fw_iocb_cnt = 0; 897 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; 898 dma_addr_t request_dma; 899 request_t *request_ring; 900 901 /* Valid only on recent ISPs. */ 902 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 903 return; 904 905 /* Retrieve IOCB counts available to the firmware. */ 906 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt); 907 if (rval) 908 return; 909 /* No point in continuing if current settings are sufficient. */ 910 if (fw_iocb_cnt < 1024) 911 return; 912 if (ha->request_q_length >= request_q_length) 913 return; 914 915 /* Attempt to claim larger area for request queue. */ 916 request_ring = dma_alloc_coherent(&ha->pdev->dev, 917 (request_q_length + 1) * sizeof(request_t), &request_dma, 918 GFP_KERNEL); 919 if (request_ring == NULL) 920 return; 921 922 /* Resize successful, report extensions. */ 923 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", 924 (ha->fw_memory_size + 1) / 1024); 925 qla_printk(KERN_INFO, ha, "Resizing request queue depth " 926 "(%d -> %d)...\n", ha->request_q_length, request_q_length); 927 928 /* Clear old allocations. */ 929 dma_free_coherent(&ha->pdev->dev, 930 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, 931 ha->request_dma); 932 933 /* Begin using larger queue. */ 934 ha->request_q_length = request_q_length; 935 ha->request_ring = request_ring; 936 ha->request_dma = request_dma; 937 } 938 939 /** 940 * qla2x00_setup_chip() - Load and start RISC firmware. 941 * @ha: HA context 942 * 943 * Returns 0 on success. 944 */ 945 static int 946 qla2x00_setup_chip(scsi_qla_host_t *ha) 947 { 948 int rval; 949 uint32_t srisc_address = 0; 950 951 /* Load firmware sequences */ 952 rval = ha->isp_ops.load_risc(ha, &srisc_address); 953 if (rval == QLA_SUCCESS) { 954 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " 955 "code.\n", ha->host_no)); 956 957 rval = qla2x00_verify_checksum(ha, srisc_address); 958 if (rval == QLA_SUCCESS) { 959 /* Start firmware execution. */ 960 DEBUG(printk("scsi(%ld): Checksum OK, start " 961 "firmware.\n", ha->host_no)); 962 963 rval = qla2x00_execute_fw(ha, srisc_address); 964 /* Retrieve firmware information. */ 965 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { 966 qla2x00_get_fw_version(ha, 967 &ha->fw_major_version, 968 &ha->fw_minor_version, 969 &ha->fw_subminor_version, 970 &ha->fw_attributes, &ha->fw_memory_size); 971 qla2x00_resize_request_q(ha); 972 973 if (ql2xallocfwdump) 974 qla2x00_alloc_fw_dump(ha); 975 } 976 } else { 977 DEBUG2(printk(KERN_INFO 978 "scsi(%ld): ISP Firmware failed checksum.\n", 979 ha->host_no)); 980 } 981 } 982 983 if (rval) { 984 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", 985 ha->host_no)); 986 } 987 988 return (rval); 989 } 990 991 /** 992 * qla2x00_init_response_q_entries() - Initializes response queue entries. 993 * @ha: HA context 994 * 995 * Beginning of request ring has initialization control block already built 996 * by nvram config routine. 997 * 998 * Returns 0 on success. 999 */ 1000 static void 1001 qla2x00_init_response_q_entries(scsi_qla_host_t *ha) 1002 { 1003 uint16_t cnt; 1004 response_t *pkt; 1005 1006 pkt = ha->response_ring_ptr; 1007 for (cnt = 0; cnt < ha->response_q_length; cnt++) { 1008 pkt->signature = RESPONSE_PROCESSED; 1009 pkt++; 1010 } 1011 1012 } 1013 1014 /** 1015 * qla2x00_update_fw_options() - Read and process firmware options. 1016 * @ha: HA context 1017 * 1018 * Returns 0 on success. 1019 */ 1020 void 1021 qla2x00_update_fw_options(scsi_qla_host_t *ha) 1022 { 1023 uint16_t swing, emphasis, tx_sens, rx_sens; 1024 1025 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 1026 qla2x00_get_fw_options(ha, ha->fw_options); 1027 1028 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1029 return; 1030 1031 /* Serial Link options. */ 1032 DEBUG3(printk("scsi(%ld): Serial link options:\n", 1033 ha->host_no)); 1034 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, 1035 sizeof(ha->fw_seriallink_options))); 1036 1037 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 1038 if (ha->fw_seriallink_options[3] & BIT_2) { 1039 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 1040 1041 /* 1G settings */ 1042 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 1043 emphasis = (ha->fw_seriallink_options[2] & 1044 (BIT_4 | BIT_3)) >> 3; 1045 tx_sens = ha->fw_seriallink_options[0] & 1046 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1047 rx_sens = (ha->fw_seriallink_options[0] & 1048 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 1049 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 1050 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 1051 if (rx_sens == 0x0) 1052 rx_sens = 0x3; 1053 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 1054 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1055 ha->fw_options[10] |= BIT_5 | 1056 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1057 (tx_sens & (BIT_1 | BIT_0)); 1058 1059 /* 2G settings */ 1060 swing = (ha->fw_seriallink_options[2] & 1061 (BIT_7 | BIT_6 | BIT_5)) >> 5; 1062 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 1063 tx_sens = ha->fw_seriallink_options[1] & 1064 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1065 rx_sens = (ha->fw_seriallink_options[1] & 1066 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 1067 ha->fw_options[11] = (emphasis << 14) | (swing << 8); 1068 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 1069 if (rx_sens == 0x0) 1070 rx_sens = 0x3; 1071 ha->fw_options[11] |= (tx_sens << 4) | rx_sens; 1072 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1073 ha->fw_options[11] |= BIT_5 | 1074 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1075 (tx_sens & (BIT_1 | BIT_0)); 1076 } 1077 1078 /* FCP2 options. */ 1079 /* Return command IOCBs without waiting for an ABTS to complete. */ 1080 ha->fw_options[3] |= BIT_13; 1081 1082 /* LED scheme. */ 1083 if (ha->flags.enable_led_scheme) 1084 ha->fw_options[2] |= BIT_12; 1085 1086 /* Detect ISP6312. */ 1087 if (IS_QLA6312(ha)) 1088 ha->fw_options[2] |= BIT_13; 1089 1090 /* Update firmware options. */ 1091 qla2x00_set_fw_options(ha, ha->fw_options); 1092 } 1093 1094 void 1095 qla24xx_update_fw_options(scsi_qla_host_t *ha) 1096 { 1097 int rval; 1098 1099 /* Update Serial Link options. */ 1100 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0) 1101 return; 1102 1103 rval = qla2x00_set_serdes_params(ha, 1104 le16_to_cpu(ha->fw_seriallink_options24[1]), 1105 le16_to_cpu(ha->fw_seriallink_options24[2]), 1106 le16_to_cpu(ha->fw_seriallink_options24[3])); 1107 if (rval != QLA_SUCCESS) { 1108 qla_printk(KERN_WARNING, ha, 1109 "Unable to update Serial Link options (%x).\n", rval); 1110 } 1111 } 1112 1113 void 1114 qla2x00_config_rings(struct scsi_qla_host *ha) 1115 { 1116 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1117 1118 /* Setup ring parameters in initialization control block. */ 1119 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); 1120 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); 1121 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); 1122 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); 1123 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1124 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1125 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1126 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1127 1128 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); 1129 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); 1130 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); 1131 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); 1132 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 1133 } 1134 1135 void 1136 qla24xx_config_rings(struct scsi_qla_host *ha) 1137 { 1138 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1139 struct init_cb_24xx *icb; 1140 1141 /* Setup ring parameters in initialization control block. */ 1142 icb = (struct init_cb_24xx *)ha->init_cb; 1143 icb->request_q_outpointer = __constant_cpu_to_le16(0); 1144 icb->response_q_inpointer = __constant_cpu_to_le16(0); 1145 icb->request_q_length = cpu_to_le16(ha->request_q_length); 1146 icb->response_q_length = cpu_to_le16(ha->response_q_length); 1147 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1148 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1149 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1150 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1151 1152 WRT_REG_DWORD(®->req_q_in, 0); 1153 WRT_REG_DWORD(®->req_q_out, 0); 1154 WRT_REG_DWORD(®->rsp_q_in, 0); 1155 WRT_REG_DWORD(®->rsp_q_out, 0); 1156 RD_REG_DWORD(®->rsp_q_out); 1157 } 1158 1159 /** 1160 * qla2x00_init_rings() - Initializes firmware. 1161 * @ha: HA context 1162 * 1163 * Beginning of request ring has initialization control block already built 1164 * by nvram config routine. 1165 * 1166 * Returns 0 on success. 1167 */ 1168 static int 1169 qla2x00_init_rings(scsi_qla_host_t *ha) 1170 { 1171 int rval; 1172 unsigned long flags = 0; 1173 int cnt; 1174 1175 spin_lock_irqsave(&ha->hardware_lock, flags); 1176 1177 /* Clear outstanding commands array. */ 1178 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) 1179 ha->outstanding_cmds[cnt] = NULL; 1180 1181 ha->current_outstanding_cmd = 0; 1182 1183 /* Clear RSCN queue. */ 1184 ha->rscn_in_ptr = 0; 1185 ha->rscn_out_ptr = 0; 1186 1187 /* Initialize firmware. */ 1188 ha->request_ring_ptr = ha->request_ring; 1189 ha->req_ring_index = 0; 1190 ha->req_q_cnt = ha->request_q_length; 1191 ha->response_ring_ptr = ha->response_ring; 1192 ha->rsp_ring_index = 0; 1193 1194 /* Initialize response queue entries */ 1195 qla2x00_init_response_q_entries(ha); 1196 1197 ha->isp_ops.config_rings(ha); 1198 1199 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1200 1201 /* Update any ISP specific firmware options before initialization. */ 1202 ha->isp_ops.update_fw_options(ha); 1203 1204 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); 1205 rval = qla2x00_init_firmware(ha, ha->init_cb_size); 1206 if (rval) { 1207 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", 1208 ha->host_no)); 1209 } else { 1210 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", 1211 ha->host_no)); 1212 } 1213 1214 return (rval); 1215 } 1216 1217 /** 1218 * qla2x00_fw_ready() - Waits for firmware ready. 1219 * @ha: HA context 1220 * 1221 * Returns 0 on success. 1222 */ 1223 static int 1224 qla2x00_fw_ready(scsi_qla_host_t *ha) 1225 { 1226 int rval; 1227 unsigned long wtime, mtime; 1228 uint16_t min_wait; /* Minimum wait time if loop is down */ 1229 uint16_t wait_time; /* Wait time if loop is coming ready */ 1230 uint16_t fw_state; 1231 1232 rval = QLA_SUCCESS; 1233 1234 /* 20 seconds for loop down. */ 1235 min_wait = 20; 1236 1237 /* 1238 * Firmware should take at most one RATOV to login, plus 5 seconds for 1239 * our own processing. 1240 */ 1241 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 1242 wait_time = min_wait; 1243 } 1244 1245 /* Min wait time if loop down */ 1246 mtime = jiffies + (min_wait * HZ); 1247 1248 /* wait time before firmware ready */ 1249 wtime = jiffies + (wait_time * HZ); 1250 1251 /* Wait for ISP to finish LIP */ 1252 if (!ha->flags.init_done) 1253 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); 1254 1255 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", 1256 ha->host_no)); 1257 1258 do { 1259 rval = qla2x00_get_firmware_state(ha, &fw_state); 1260 if (rval == QLA_SUCCESS) { 1261 if (fw_state < FSTATE_LOSS_OF_SYNC) { 1262 ha->device_flags &= ~DFLG_NO_CABLE; 1263 } 1264 if (fw_state == FSTATE_READY) { 1265 DEBUG(printk("scsi(%ld): F/W Ready - OK \n", 1266 ha->host_no)); 1267 1268 qla2x00_get_retry_cnt(ha, &ha->retry_count, 1269 &ha->login_timeout, &ha->r_a_tov); 1270 1271 rval = QLA_SUCCESS; 1272 break; 1273 } 1274 1275 rval = QLA_FUNCTION_FAILED; 1276 1277 if (atomic_read(&ha->loop_down_timer) && 1278 fw_state != FSTATE_READY) { 1279 /* Loop down. Timeout on min_wait for states 1280 * other than Wait for Login. 1281 */ 1282 if (time_after_eq(jiffies, mtime)) { 1283 qla_printk(KERN_INFO, ha, 1284 "Cable is unplugged...\n"); 1285 1286 ha->device_flags |= DFLG_NO_CABLE; 1287 break; 1288 } 1289 } 1290 } else { 1291 /* Mailbox cmd failed. Timeout on min_wait. */ 1292 if (time_after_eq(jiffies, mtime)) 1293 break; 1294 } 1295 1296 if (time_after_eq(jiffies, wtime)) 1297 break; 1298 1299 /* Delay for a while */ 1300 msleep(500); 1301 1302 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1303 ha->host_no, fw_state, jiffies)); 1304 } while (1); 1305 1306 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1307 ha->host_no, fw_state, jiffies)); 1308 1309 if (rval) { 1310 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", 1311 ha->host_no)); 1312 } 1313 1314 return (rval); 1315 } 1316 1317 /* 1318 * qla2x00_configure_hba 1319 * Setup adapter context. 1320 * 1321 * Input: 1322 * ha = adapter state pointer. 1323 * 1324 * Returns: 1325 * 0 = success 1326 * 1327 * Context: 1328 * Kernel context. 1329 */ 1330 static int 1331 qla2x00_configure_hba(scsi_qla_host_t *ha) 1332 { 1333 int rval; 1334 uint16_t loop_id; 1335 uint16_t topo; 1336 uint8_t al_pa; 1337 uint8_t area; 1338 uint8_t domain; 1339 char connect_type[22]; 1340 1341 /* Get host addresses. */ 1342 rval = qla2x00_get_adapter_id(ha, 1343 &loop_id, &al_pa, &area, &domain, &topo); 1344 if (rval != QLA_SUCCESS) { 1345 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) || 1346 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { 1347 DEBUG2(printk("%s(%ld) Loop is in a transition state\n", 1348 __func__, ha->host_no)); 1349 } else { 1350 qla_printk(KERN_WARNING, ha, 1351 "ERROR -- Unable to get host loop ID.\n"); 1352 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 1353 } 1354 return (rval); 1355 } 1356 1357 if (topo == 4) { 1358 qla_printk(KERN_INFO, ha, 1359 "Cannot get topology - retrying.\n"); 1360 return (QLA_FUNCTION_FAILED); 1361 } 1362 1363 ha->loop_id = loop_id; 1364 1365 /* initialize */ 1366 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 1367 ha->operating_mode = LOOP; 1368 1369 switch (topo) { 1370 case 0: 1371 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", 1372 ha->host_no)); 1373 ha->current_topology = ISP_CFG_NL; 1374 strcpy(connect_type, "(Loop)"); 1375 break; 1376 1377 case 1: 1378 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", 1379 ha->host_no)); 1380 ha->current_topology = ISP_CFG_FL; 1381 strcpy(connect_type, "(FL_Port)"); 1382 break; 1383 1384 case 2: 1385 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", 1386 ha->host_no)); 1387 ha->operating_mode = P2P; 1388 ha->current_topology = ISP_CFG_N; 1389 strcpy(connect_type, "(N_Port-to-N_Port)"); 1390 break; 1391 1392 case 3: 1393 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", 1394 ha->host_no)); 1395 ha->operating_mode = P2P; 1396 ha->current_topology = ISP_CFG_F; 1397 strcpy(connect_type, "(F_Port)"); 1398 break; 1399 1400 default: 1401 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " 1402 "Using NL.\n", 1403 ha->host_no, topo)); 1404 ha->current_topology = ISP_CFG_NL; 1405 strcpy(connect_type, "(Loop)"); 1406 break; 1407 } 1408 1409 /* Save Host port and loop ID. */ 1410 /* byte order - Big Endian */ 1411 ha->d_id.b.domain = domain; 1412 ha->d_id.b.area = area; 1413 ha->d_id.b.al_pa = al_pa; 1414 1415 if (!ha->flags.init_done) 1416 qla_printk(KERN_INFO, ha, 1417 "Topology - %s, Host Loop address 0x%x\n", 1418 connect_type, ha->loop_id); 1419 1420 if (rval) { 1421 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); 1422 } else { 1423 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); 1424 } 1425 1426 return(rval); 1427 } 1428 1429 /* 1430 * NVRAM configuration for ISP 2xxx 1431 * 1432 * Input: 1433 * ha = adapter block pointer. 1434 * 1435 * Output: 1436 * initialization control block in response_ring 1437 * host adapters parameters in host adapter block 1438 * 1439 * Returns: 1440 * 0 = success. 1441 */ 1442 int 1443 qla2x00_nvram_config(scsi_qla_host_t *ha) 1444 { 1445 int rval; 1446 uint8_t chksum = 0; 1447 uint16_t cnt; 1448 uint8_t *dptr1, *dptr2; 1449 init_cb_t *icb = ha->init_cb; 1450 nvram_t *nv = (nvram_t *)ha->request_ring; 1451 uint8_t *ptr = (uint8_t *)ha->request_ring; 1452 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1453 1454 rval = QLA_SUCCESS; 1455 1456 /* Determine NVRAM starting address. */ 1457 ha->nvram_size = sizeof(nvram_t); 1458 ha->nvram_base = 0; 1459 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 1460 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) 1461 ha->nvram_base = 0x80; 1462 1463 /* Get NVRAM data and calculate checksum. */ 1464 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size); 1465 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 1466 chksum += *ptr++; 1467 1468 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 1469 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, 1470 ha->nvram_size)); 1471 1472 /* Bad NVRAM data, set defaults parameters. */ 1473 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || 1474 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { 1475 /* Reset NVRAM data. */ 1476 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 1477 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 1478 nv->nvram_version); 1479 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 1480 "invalid -- WWPN) defaults.\n"); 1481 1482 /* 1483 * Set default initialization control block. 1484 */ 1485 memset(nv, 0, ha->nvram_size); 1486 nv->parameter_block_version = ICB_VERSION; 1487 1488 if (IS_QLA23XX(ha)) { 1489 nv->firmware_options[0] = BIT_2 | BIT_1; 1490 nv->firmware_options[1] = BIT_7 | BIT_5; 1491 nv->add_firmware_options[0] = BIT_5; 1492 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1493 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1494 nv->special_options[1] = BIT_7; 1495 } else if (IS_QLA2200(ha)) { 1496 nv->firmware_options[0] = BIT_2 | BIT_1; 1497 nv->firmware_options[1] = BIT_7 | BIT_5; 1498 nv->add_firmware_options[0] = BIT_5; 1499 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1500 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1501 } else if (IS_QLA2100(ha)) { 1502 nv->firmware_options[0] = BIT_3 | BIT_1; 1503 nv->firmware_options[1] = BIT_5; 1504 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1505 } 1506 1507 nv->max_iocb_allocation = __constant_cpu_to_le16(256); 1508 nv->execution_throttle = __constant_cpu_to_le16(16); 1509 nv->retry_count = 8; 1510 nv->retry_delay = 1; 1511 1512 nv->port_name[0] = 33; 1513 nv->port_name[3] = 224; 1514 nv->port_name[4] = 139; 1515 1516 nv->login_timeout = 4; 1517 1518 /* 1519 * Set default host adapter parameters 1520 */ 1521 nv->host_p[1] = BIT_2; 1522 nv->reset_delay = 5; 1523 nv->port_down_retry_count = 8; 1524 nv->max_luns_per_target = __constant_cpu_to_le16(8); 1525 nv->link_down_timeout = 60; 1526 1527 rval = 1; 1528 } 1529 1530 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) 1531 /* 1532 * The SN2 does not provide BIOS emulation which means you can't change 1533 * potentially bogus BIOS settings. Force the use of default settings 1534 * for link rate and frame size. Hope that the rest of the settings 1535 * are valid. 1536 */ 1537 if (ia64_platform_is("sn2")) { 1538 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1539 if (IS_QLA23XX(ha)) 1540 nv->special_options[1] = BIT_7; 1541 } 1542 #endif 1543 1544 /* Reset Initialization control block */ 1545 memset(icb, 0, ha->init_cb_size); 1546 1547 /* 1548 * Setup driver NVRAM options. 1549 */ 1550 nv->firmware_options[0] |= (BIT_6 | BIT_1); 1551 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 1552 nv->firmware_options[1] |= (BIT_5 | BIT_0); 1553 nv->firmware_options[1] &= ~BIT_4; 1554 1555 if (IS_QLA23XX(ha)) { 1556 nv->firmware_options[0] |= BIT_2; 1557 nv->firmware_options[0] &= ~BIT_3; 1558 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 1559 1560 if (IS_QLA2300(ha)) { 1561 if (ha->fb_rev == FPM_2310) { 1562 strcpy(ha->model_number, "QLA2310"); 1563 } else { 1564 strcpy(ha->model_number, "QLA2300"); 1565 } 1566 } else { 1567 if (rval == 0 && 1568 memcmp(nv->model_number, BINZERO, 1569 sizeof(nv->model_number)) != 0) { 1570 char *st, *en; 1571 1572 strncpy(ha->model_number, nv->model_number, 1573 sizeof(nv->model_number)); 1574 st = en = ha->model_number; 1575 en += sizeof(nv->model_number) - 1; 1576 while (en > st) { 1577 if (*en != 0x20 && *en != 0x00) 1578 break; 1579 *en-- = '\0'; 1580 } 1581 } else { 1582 uint16_t index; 1583 1584 index = (ha->pdev->subsystem_device & 0xff); 1585 if (index < QLA_MODEL_NAMES) { 1586 strcpy(ha->model_number, 1587 qla2x00_model_name[index * 2]); 1588 ha->model_desc = 1589 qla2x00_model_name[index * 2 + 1]; 1590 } else { 1591 strcpy(ha->model_number, "QLA23xx"); 1592 } 1593 } 1594 } 1595 } else if (IS_QLA2200(ha)) { 1596 nv->firmware_options[0] |= BIT_2; 1597 /* 1598 * 'Point-to-point preferred, else loop' is not a safe 1599 * connection mode setting. 1600 */ 1601 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 1602 (BIT_5 | BIT_4)) { 1603 /* Force 'loop preferred, else point-to-point'. */ 1604 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 1605 nv->add_firmware_options[0] |= BIT_5; 1606 } 1607 strcpy(ha->model_number, "QLA22xx"); 1608 } else /*if (IS_QLA2100(ha))*/ { 1609 strcpy(ha->model_number, "QLA2100"); 1610 } 1611 1612 /* 1613 * Copy over NVRAM RISC parameter block to initialization control block. 1614 */ 1615 dptr1 = (uint8_t *)icb; 1616 dptr2 = (uint8_t *)&nv->parameter_block_version; 1617 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 1618 while (cnt--) 1619 *dptr1++ = *dptr2++; 1620 1621 /* Copy 2nd half. */ 1622 dptr1 = (uint8_t *)icb->add_firmware_options; 1623 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 1624 while (cnt--) 1625 *dptr1++ = *dptr2++; 1626 1627 /* Use alternate WWN? */ 1628 if (nv->host_p[1] & BIT_7) { 1629 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 1630 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 1631 } 1632 1633 /* Prepare nodename */ 1634 if ((icb->firmware_options[1] & BIT_6) == 0) { 1635 /* 1636 * Firmware will apply the following mask if the nodename was 1637 * not provided. 1638 */ 1639 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 1640 icb->node_name[0] &= 0xF0; 1641 } 1642 1643 /* 1644 * Set host adapter parameters. 1645 */ 1646 if (nv->host_p[0] & BIT_7) 1647 extended_error_logging = 1; 1648 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 1649 /* Always load RISC code on non ISP2[12]00 chips. */ 1650 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 1651 ha->flags.disable_risc_code_load = 0; 1652 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 1653 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 1654 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 1655 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; 1656 ha->flags.disable_serdes = 0; 1657 1658 ha->operating_mode = 1659 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 1660 1661 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 1662 sizeof(ha->fw_seriallink_options)); 1663 1664 /* save HBA serial number */ 1665 ha->serial0 = icb->port_name[5]; 1666 ha->serial1 = icb->port_name[6]; 1667 ha->serial2 = icb->port_name[7]; 1668 ha->node_name = icb->node_name; 1669 ha->port_name = icb->port_name; 1670 1671 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 1672 1673 ha->retry_count = nv->retry_count; 1674 1675 /* Set minimum login_timeout to 4 seconds. */ 1676 if (nv->login_timeout < ql2xlogintimeout) 1677 nv->login_timeout = ql2xlogintimeout; 1678 if (nv->login_timeout < 4) 1679 nv->login_timeout = 4; 1680 ha->login_timeout = nv->login_timeout; 1681 icb->login_timeout = nv->login_timeout; 1682 1683 /* Set minimum RATOV to 200 tenths of a second. */ 1684 ha->r_a_tov = 200; 1685 1686 ha->loop_reset_delay = nv->reset_delay; 1687 1688 /* Link Down Timeout = 0: 1689 * 1690 * When Port Down timer expires we will start returning 1691 * I/O's to OS with "DID_NO_CONNECT". 1692 * 1693 * Link Down Timeout != 0: 1694 * 1695 * The driver waits for the link to come up after link down 1696 * before returning I/Os to OS with "DID_NO_CONNECT". 1697 */ 1698 if (nv->link_down_timeout == 0) { 1699 ha->loop_down_abort_time = 1700 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 1701 } else { 1702 ha->link_down_timeout = nv->link_down_timeout; 1703 ha->loop_down_abort_time = 1704 (LOOP_DOWN_TIME - ha->link_down_timeout); 1705 } 1706 1707 /* 1708 * Need enough time to try and get the port back. 1709 */ 1710 ha->port_down_retry_count = nv->port_down_retry_count; 1711 if (qlport_down_retry) 1712 ha->port_down_retry_count = qlport_down_retry; 1713 /* Set login_retry_count */ 1714 ha->login_retry_count = nv->retry_count; 1715 if (ha->port_down_retry_count == nv->port_down_retry_count && 1716 ha->port_down_retry_count > 3) 1717 ha->login_retry_count = ha->port_down_retry_count; 1718 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 1719 ha->login_retry_count = ha->port_down_retry_count; 1720 if (ql2xloginretrycount) 1721 ha->login_retry_count = ql2xloginretrycount; 1722 1723 icb->lun_enables = __constant_cpu_to_le16(0); 1724 icb->command_resource_count = 0; 1725 icb->immediate_notify_resource_count = 0; 1726 icb->timeout = __constant_cpu_to_le16(0); 1727 1728 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 1729 /* Enable RIO */ 1730 icb->firmware_options[0] &= ~BIT_3; 1731 icb->add_firmware_options[0] &= 1732 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1733 icb->add_firmware_options[0] |= BIT_2; 1734 icb->response_accumulation_timer = 3; 1735 icb->interrupt_delay_timer = 5; 1736 1737 ha->flags.process_response_queue = 1; 1738 } else { 1739 /* Enable ZIO. */ 1740 if (!ha->flags.init_done) { 1741 ha->zio_mode = icb->add_firmware_options[0] & 1742 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1743 ha->zio_timer = icb->interrupt_delay_timer ? 1744 icb->interrupt_delay_timer: 2; 1745 } 1746 icb->add_firmware_options[0] &= 1747 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1748 ha->flags.process_response_queue = 0; 1749 if (ha->zio_mode != QLA_ZIO_DISABLED) { 1750 ha->zio_mode = QLA_ZIO_MODE_6; 1751 1752 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer " 1753 "delay (%d us).\n", ha->host_no, ha->zio_mode, 1754 ha->zio_timer * 100)); 1755 qla_printk(KERN_INFO, ha, 1756 "ZIO mode %d enabled; timer delay (%d us).\n", 1757 ha->zio_mode, ha->zio_timer * 100); 1758 1759 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; 1760 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; 1761 ha->flags.process_response_queue = 1; 1762 } 1763 } 1764 1765 if (rval) { 1766 DEBUG2_3(printk(KERN_WARNING 1767 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 1768 } 1769 return (rval); 1770 } 1771 1772 static void 1773 qla2x00_rport_del(void *data) 1774 { 1775 fc_port_t *fcport = data; 1776 struct fc_rport *rport; 1777 unsigned long flags; 1778 1779 spin_lock_irqsave(&fcport->rport_lock, flags); 1780 rport = fcport->drport; 1781 fcport->drport = NULL; 1782 spin_unlock_irqrestore(&fcport->rport_lock, flags); 1783 if (rport) 1784 fc_remote_port_delete(rport); 1785 1786 } 1787 1788 /** 1789 * qla2x00_alloc_fcport() - Allocate a generic fcport. 1790 * @ha: HA context 1791 * @flags: allocation flags 1792 * 1793 * Returns a pointer to the allocated fcport, or NULL, if none available. 1794 */ 1795 static fc_port_t * 1796 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags) 1797 { 1798 fc_port_t *fcport; 1799 1800 fcport = kmalloc(sizeof(fc_port_t), flags); 1801 if (fcport == NULL) 1802 return (fcport); 1803 1804 /* Setup fcport template structure. */ 1805 memset(fcport, 0, sizeof (fc_port_t)); 1806 fcport->ha = ha; 1807 fcport->port_type = FCT_UNKNOWN; 1808 fcport->loop_id = FC_NO_LOOP_ID; 1809 atomic_set(&fcport->state, FCS_UNCONFIGURED); 1810 fcport->flags = FCF_RLC_SUPPORT; 1811 fcport->supported_classes = FC_COS_UNSPECIFIED; 1812 spin_lock_init(&fcport->rport_lock); 1813 1814 return (fcport); 1815 } 1816 1817 /* 1818 * qla2x00_configure_loop 1819 * Updates Fibre Channel Device Database with what is actually on loop. 1820 * 1821 * Input: 1822 * ha = adapter block pointer. 1823 * 1824 * Returns: 1825 * 0 = success. 1826 * 1 = error. 1827 * 2 = database was full and device was not configured. 1828 */ 1829 static int 1830 qla2x00_configure_loop(scsi_qla_host_t *ha) 1831 { 1832 int rval; 1833 unsigned long flags, save_flags; 1834 1835 rval = QLA_SUCCESS; 1836 1837 /* Get Initiator ID */ 1838 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { 1839 rval = qla2x00_configure_hba(ha); 1840 if (rval != QLA_SUCCESS) { 1841 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", 1842 ha->host_no)); 1843 return (rval); 1844 } 1845 } 1846 1847 save_flags = flags = ha->dpc_flags; 1848 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", 1849 ha->host_no, flags)); 1850 1851 /* 1852 * If we have both an RSCN and PORT UPDATE pending then handle them 1853 * both at the same time. 1854 */ 1855 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1856 clear_bit(RSCN_UPDATE, &ha->dpc_flags); 1857 1858 /* Determine what we need to do */ 1859 if (ha->current_topology == ISP_CFG_FL && 1860 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1861 1862 ha->flags.rscn_queue_overflow = 1; 1863 set_bit(RSCN_UPDATE, &flags); 1864 1865 } else if (ha->current_topology == ISP_CFG_F && 1866 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1867 1868 ha->flags.rscn_queue_overflow = 1; 1869 set_bit(RSCN_UPDATE, &flags); 1870 clear_bit(LOCAL_LOOP_UPDATE, &flags); 1871 1872 } else if (ha->current_topology == ISP_CFG_N) { 1873 clear_bit(RSCN_UPDATE, &flags); 1874 1875 } else if (!ha->flags.online || 1876 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 1877 1878 ha->flags.rscn_queue_overflow = 1; 1879 set_bit(RSCN_UPDATE, &flags); 1880 set_bit(LOCAL_LOOP_UPDATE, &flags); 1881 } 1882 1883 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 1884 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1885 rval = QLA_FUNCTION_FAILED; 1886 } else { 1887 rval = qla2x00_configure_local_loop(ha); 1888 } 1889 } 1890 1891 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 1892 if (LOOP_TRANSITION(ha)) { 1893 rval = QLA_FUNCTION_FAILED; 1894 } else { 1895 rval = qla2x00_configure_fabric(ha); 1896 } 1897 } 1898 1899 if (rval == QLA_SUCCESS) { 1900 if (atomic_read(&ha->loop_down_timer) || 1901 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1902 rval = QLA_FUNCTION_FAILED; 1903 } else { 1904 atomic_set(&ha->loop_state, LOOP_READY); 1905 1906 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); 1907 } 1908 } 1909 1910 if (rval) { 1911 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", 1912 __func__, ha->host_no)); 1913 } else { 1914 DEBUG3(printk("%s: exiting normally\n", __func__)); 1915 } 1916 1917 /* Restore state if a resync event occured during processing */ 1918 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1919 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 1920 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1921 if (test_bit(RSCN_UPDATE, &save_flags)) 1922 set_bit(RSCN_UPDATE, &ha->dpc_flags); 1923 } 1924 1925 return (rval); 1926 } 1927 1928 1929 1930 /* 1931 * qla2x00_configure_local_loop 1932 * Updates Fibre Channel Device Database with local loop devices. 1933 * 1934 * Input: 1935 * ha = adapter block pointer. 1936 * 1937 * Returns: 1938 * 0 = success. 1939 */ 1940 static int 1941 qla2x00_configure_local_loop(scsi_qla_host_t *ha) 1942 { 1943 int rval, rval2; 1944 int found_devs; 1945 int found; 1946 fc_port_t *fcport, *new_fcport; 1947 1948 uint16_t index; 1949 uint16_t entries; 1950 char *id_iter; 1951 uint16_t loop_id; 1952 uint8_t domain, area, al_pa; 1953 1954 found_devs = 0; 1955 new_fcport = NULL; 1956 entries = MAX_FIBRE_DEVICES; 1957 1958 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); 1959 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); 1960 1961 /* Get list of logged in devices. */ 1962 memset(ha->gid_list, 0, GID_LIST_SIZE); 1963 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, 1964 &entries); 1965 if (rval != QLA_SUCCESS) 1966 goto cleanup_allocation; 1967 1968 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", 1969 ha->host_no, entries)); 1970 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, 1971 entries * sizeof(struct gid_list_info))); 1972 1973 /* Allocate temporary fcport for any new fcports discovered. */ 1974 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 1975 if (new_fcport == NULL) { 1976 rval = QLA_MEMORY_ALLOC_FAILED; 1977 goto cleanup_allocation; 1978 } 1979 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 1980 1981 /* 1982 * Mark local devices that were present with FCF_DEVICE_LOST for now. 1983 */ 1984 list_for_each_entry(fcport, &ha->fcports, list) { 1985 if (atomic_read(&fcport->state) == FCS_ONLINE && 1986 fcport->port_type != FCT_BROADCAST && 1987 (fcport->flags & FCF_FABRIC_DEVICE) == 0) { 1988 1989 DEBUG(printk("scsi(%ld): Marking port lost, " 1990 "loop_id=0x%04x\n", 1991 ha->host_no, fcport->loop_id)); 1992 1993 atomic_set(&fcport->state, FCS_DEVICE_LOST); 1994 fcport->flags &= ~FCF_FARP_DONE; 1995 } 1996 } 1997 1998 /* Add devices to port list. */ 1999 id_iter = (char *)ha->gid_list; 2000 for (index = 0; index < entries; index++) { 2001 domain = ((struct gid_list_info *)id_iter)->domain; 2002 area = ((struct gid_list_info *)id_iter)->area; 2003 al_pa = ((struct gid_list_info *)id_iter)->al_pa; 2004 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 2005 loop_id = (uint16_t) 2006 ((struct gid_list_info *)id_iter)->loop_id_2100; 2007 else 2008 loop_id = le16_to_cpu( 2009 ((struct gid_list_info *)id_iter)->loop_id); 2010 id_iter += ha->gid_list_info_size; 2011 2012 /* Bypass reserved domain fields. */ 2013 if ((domain & 0xf0) == 0xf0) 2014 continue; 2015 2016 /* Bypass if not same domain and area of adapter. */ 2017 if (area && domain && 2018 (area != ha->d_id.b.area || domain != ha->d_id.b.domain)) 2019 continue; 2020 2021 /* Bypass invalid local loop ID. */ 2022 if (loop_id > LAST_LOCAL_LOOP_ID) 2023 continue; 2024 2025 /* Fill in member data. */ 2026 new_fcport->d_id.b.domain = domain; 2027 new_fcport->d_id.b.area = area; 2028 new_fcport->d_id.b.al_pa = al_pa; 2029 new_fcport->loop_id = loop_id; 2030 rval2 = qla2x00_get_port_database(ha, new_fcport, 0); 2031 if (rval2 != QLA_SUCCESS) { 2032 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " 2033 "information -- get_port_database=%x, " 2034 "loop_id=0x%04x\n", 2035 ha->host_no, rval2, new_fcport->loop_id)); 2036 DEBUG2(printk("scsi(%ld): Scheduling resync...\n", 2037 ha->host_no)); 2038 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 2039 continue; 2040 } 2041 2042 /* Check for matching device in port list. */ 2043 found = 0; 2044 fcport = NULL; 2045 list_for_each_entry(fcport, &ha->fcports, list) { 2046 if (memcmp(new_fcport->port_name, fcport->port_name, 2047 WWN_SIZE)) 2048 continue; 2049 2050 fcport->flags &= ~(FCF_FABRIC_DEVICE | 2051 FCF_PERSISTENT_BOUND); 2052 fcport->loop_id = new_fcport->loop_id; 2053 fcport->port_type = new_fcport->port_type; 2054 fcport->d_id.b24 = new_fcport->d_id.b24; 2055 memcpy(fcport->node_name, new_fcport->node_name, 2056 WWN_SIZE); 2057 2058 found++; 2059 break; 2060 } 2061 2062 if (!found) { 2063 /* New device, add to fcports list. */ 2064 new_fcport->flags &= ~FCF_PERSISTENT_BOUND; 2065 list_add_tail(&new_fcport->list, &ha->fcports); 2066 2067 /* Allocate a new replacement fcport. */ 2068 fcport = new_fcport; 2069 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2070 if (new_fcport == NULL) { 2071 rval = QLA_MEMORY_ALLOC_FAILED; 2072 goto cleanup_allocation; 2073 } 2074 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 2075 } 2076 2077 qla2x00_update_fcport(ha, fcport); 2078 2079 found_devs++; 2080 } 2081 2082 cleanup_allocation: 2083 kfree(new_fcport); 2084 2085 if (rval != QLA_SUCCESS) { 2086 DEBUG2(printk("scsi(%ld): Configure local loop error exit: " 2087 "rval=%x\n", ha->host_no, rval)); 2088 } 2089 2090 if (found_devs) { 2091 ha->device_flags |= DFLG_LOCAL_DEVICES; 2092 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; 2093 } 2094 2095 return (rval); 2096 } 2097 2098 static void 2099 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) 2100 { 2101 fc_port_t *fcport; 2102 2103 qla2x00_mark_all_devices_lost(ha, 0); 2104 list_for_each_entry(fcport, &ha->fcports, list) { 2105 if (fcport->port_type != FCT_TARGET) 2106 continue; 2107 2108 qla2x00_update_fcport(ha, fcport); 2109 } 2110 } 2111 2112 /* 2113 * qla2x00_update_fcport 2114 * Updates device on list. 2115 * 2116 * Input: 2117 * ha = adapter block pointer. 2118 * fcport = port structure pointer. 2119 * 2120 * Return: 2121 * 0 - Success 2122 * BIT_0 - error 2123 * 2124 * Context: 2125 * Kernel context. 2126 */ 2127 void 2128 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2129 { 2130 fcport->ha = ha; 2131 fcport->login_retry = 0; 2132 fcport->port_login_retry_count = ha->port_down_retry_count * 2133 PORT_RETRY_TIME; 2134 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count * 2135 PORT_RETRY_TIME); 2136 fcport->flags &= ~FCF_LOGIN_NEEDED; 2137 2138 atomic_set(&fcport->state, FCS_ONLINE); 2139 2140 if (ha->flags.init_done) 2141 qla2x00_reg_remote_port(ha, fcport); 2142 } 2143 2144 void 2145 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 2146 { 2147 struct fc_rport_identifiers rport_ids; 2148 struct fc_rport *rport; 2149 unsigned long flags; 2150 2151 if (fcport->drport) 2152 qla2x00_rport_del(fcport); 2153 if (fcport->rport) 2154 return; 2155 2156 rport_ids.node_name = wwn_to_u64(fcport->node_name); 2157 rport_ids.port_name = wwn_to_u64(fcport->port_name); 2158 rport_ids.port_id = fcport->d_id.b.domain << 16 | 2159 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 2160 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2161 rport = fc_remote_port_add(ha->host, 0, &rport_ids); 2162 if (!rport) { 2163 qla_printk(KERN_WARNING, ha, 2164 "Unable to allocate fc remote port!\n"); 2165 return; 2166 } 2167 spin_lock_irqsave(&fcport->rport_lock, flags); 2168 fcport->rport = rport; 2169 *((fc_port_t **)rport->dd_data) = fcport; 2170 spin_unlock_irqrestore(&fcport->rport_lock, flags); 2171 2172 rport->supported_classes = fcport->supported_classes; 2173 2174 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2175 if (fcport->port_type == FCT_INITIATOR) 2176 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; 2177 if (fcport->port_type == FCT_TARGET) 2178 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 2179 fc_remote_port_rolechg(rport, rport_ids.roles); 2180 2181 if (rport->scsi_target_id != -1 && 2182 rport->scsi_target_id < ha->host->max_id) 2183 fcport->os_target_id = rport->scsi_target_id; 2184 } 2185 2186 /* 2187 * qla2x00_configure_fabric 2188 * Setup SNS devices with loop ID's. 2189 * 2190 * Input: 2191 * ha = adapter block pointer. 2192 * 2193 * Returns: 2194 * 0 = success. 2195 * BIT_0 = error 2196 */ 2197 static int 2198 qla2x00_configure_fabric(scsi_qla_host_t *ha) 2199 { 2200 int rval, rval2; 2201 fc_port_t *fcport, *fcptemp; 2202 uint16_t next_loopid; 2203 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2204 uint16_t loop_id; 2205 LIST_HEAD(new_fcports); 2206 2207 /* If FL port exists, then SNS is present */ 2208 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) 2209 loop_id = NPH_F_PORT; 2210 else 2211 loop_id = SNS_FL_PORT; 2212 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0); 2213 if (rval != QLA_SUCCESS) { 2214 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " 2215 "Port\n", ha->host_no)); 2216 2217 ha->device_flags &= ~SWITCH_FOUND; 2218 return (QLA_SUCCESS); 2219 } 2220 2221 /* Mark devices that need re-synchronization. */ 2222 rval2 = qla2x00_device_resync(ha); 2223 if (rval2 == QLA_RSCNS_HANDLED) { 2224 /* No point doing the scan, just continue. */ 2225 return (QLA_SUCCESS); 2226 } 2227 do { 2228 /* FDMI support. */ 2229 if (ql2xfdmienable && 2230 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags)) 2231 qla2x00_fdmi_register(ha); 2232 2233 /* Ensure we are logged into the SNS. */ 2234 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) 2235 loop_id = NPH_SNS; 2236 else 2237 loop_id = SIMPLE_NAME_SERVER; 2238 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff, 2239 0xfc, mb, BIT_1 | BIT_0); 2240 if (mb[0] != MBS_COMMAND_COMPLETE) { 2241 DEBUG2(qla_printk(KERN_INFO, ha, 2242 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 2243 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, 2244 mb[0], mb[1], mb[2], mb[6], mb[7])); 2245 return (QLA_SUCCESS); 2246 } 2247 2248 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { 2249 if (qla2x00_rft_id(ha)) { 2250 /* EMPTY */ 2251 DEBUG2(printk("scsi(%ld): Register FC-4 " 2252 "TYPE failed.\n", ha->host_no)); 2253 } 2254 if (qla2x00_rff_id(ha)) { 2255 /* EMPTY */ 2256 DEBUG2(printk("scsi(%ld): Register FC-4 " 2257 "Features failed.\n", ha->host_no)); 2258 } 2259 if (qla2x00_rnn_id(ha)) { 2260 /* EMPTY */ 2261 DEBUG2(printk("scsi(%ld): Register Node Name " 2262 "failed.\n", ha->host_no)); 2263 } else if (qla2x00_rsnn_nn(ha)) { 2264 /* EMPTY */ 2265 DEBUG2(printk("scsi(%ld): Register Symbolic " 2266 "Node Name failed.\n", ha->host_no)); 2267 } 2268 } 2269 2270 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); 2271 if (rval != QLA_SUCCESS) 2272 break; 2273 2274 /* 2275 * Logout all previous fabric devices marked lost, except 2276 * tape devices. 2277 */ 2278 list_for_each_entry(fcport, &ha->fcports, list) { 2279 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2280 break; 2281 2282 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 2283 continue; 2284 2285 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 2286 qla2x00_mark_device_lost(ha, fcport, 2287 ql2xplogiabsentdevice, 0); 2288 if (fcport->loop_id != FC_NO_LOOP_ID && 2289 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2290 fcport->port_type != FCT_INITIATOR && 2291 fcport->port_type != FCT_BROADCAST) { 2292 ha->isp_ops.fabric_logout(ha, 2293 fcport->loop_id, 2294 fcport->d_id.b.domain, 2295 fcport->d_id.b.area, 2296 fcport->d_id.b.al_pa); 2297 fcport->loop_id = FC_NO_LOOP_ID; 2298 } 2299 } 2300 } 2301 2302 /* Starting free loop ID. */ 2303 next_loopid = ha->min_external_loopid; 2304 2305 /* 2306 * Scan through our port list and login entries that need to be 2307 * logged in. 2308 */ 2309 list_for_each_entry(fcport, &ha->fcports, list) { 2310 if (atomic_read(&ha->loop_down_timer) || 2311 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2312 break; 2313 2314 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2315 (fcport->flags & FCF_LOGIN_NEEDED) == 0) 2316 continue; 2317 2318 if (fcport->loop_id == FC_NO_LOOP_ID) { 2319 fcport->loop_id = next_loopid; 2320 rval = qla2x00_find_new_loop_id(ha, fcport); 2321 if (rval != QLA_SUCCESS) { 2322 /* Ran out of IDs to use */ 2323 break; 2324 } 2325 } 2326 /* Login and update database */ 2327 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2328 } 2329 2330 /* Exit if out of loop IDs. */ 2331 if (rval != QLA_SUCCESS) { 2332 break; 2333 } 2334 2335 /* 2336 * Login and add the new devices to our port list. 2337 */ 2338 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2339 if (atomic_read(&ha->loop_down_timer) || 2340 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2341 break; 2342 2343 /* Find a new loop ID to use. */ 2344 fcport->loop_id = next_loopid; 2345 rval = qla2x00_find_new_loop_id(ha, fcport); 2346 if (rval != QLA_SUCCESS) { 2347 /* Ran out of IDs to use */ 2348 break; 2349 } 2350 2351 /* Remove device from the new list and add it to DB */ 2352 list_move_tail(&fcport->list, &ha->fcports); 2353 2354 /* Login and update database */ 2355 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2356 } 2357 } while (0); 2358 2359 /* Free all new device structures not processed. */ 2360 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2361 list_del(&fcport->list); 2362 kfree(fcport); 2363 } 2364 2365 if (rval) { 2366 DEBUG2(printk("scsi(%ld): Configure fabric error exit: " 2367 "rval=%d\n", ha->host_no, rval)); 2368 } 2369 2370 return (rval); 2371 } 2372 2373 2374 /* 2375 * qla2x00_find_all_fabric_devs 2376 * 2377 * Input: 2378 * ha = adapter block pointer. 2379 * dev = database device entry pointer. 2380 * 2381 * Returns: 2382 * 0 = success. 2383 * 2384 * Context: 2385 * Kernel context. 2386 */ 2387 static int 2388 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) 2389 { 2390 int rval; 2391 uint16_t loop_id; 2392 fc_port_t *fcport, *new_fcport, *fcptemp; 2393 int found; 2394 2395 sw_info_t *swl; 2396 int swl_idx; 2397 int first_dev, last_dev; 2398 port_id_t wrap, nxt_d_id; 2399 2400 rval = QLA_SUCCESS; 2401 2402 /* Try GID_PT to get device list, else GAN. */ 2403 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC); 2404 if (swl == NULL) { 2405 /*EMPTY*/ 2406 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2407 "on GA_NXT\n", ha->host_no)); 2408 } else { 2409 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES); 2410 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { 2411 kfree(swl); 2412 swl = NULL; 2413 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { 2414 kfree(swl); 2415 swl = NULL; 2416 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { 2417 kfree(swl); 2418 swl = NULL; 2419 } 2420 } 2421 swl_idx = 0; 2422 2423 /* Allocate temporary fcport for any new fcports discovered. */ 2424 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2425 if (new_fcport == NULL) { 2426 kfree(swl); 2427 return (QLA_MEMORY_ALLOC_FAILED); 2428 } 2429 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2430 2431 /* Set start port ID scan at adapter ID. */ 2432 first_dev = 1; 2433 last_dev = 0; 2434 2435 /* Starting free loop ID. */ 2436 loop_id = ha->min_external_loopid; 2437 for (; loop_id <= ha->last_loop_id; loop_id++) { 2438 if (qla2x00_is_reserved_id(ha, loop_id)) 2439 continue; 2440 2441 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) 2442 break; 2443 2444 if (swl != NULL) { 2445 if (last_dev) { 2446 wrap.b24 = new_fcport->d_id.b24; 2447 } else { 2448 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 2449 memcpy(new_fcport->node_name, 2450 swl[swl_idx].node_name, WWN_SIZE); 2451 memcpy(new_fcport->port_name, 2452 swl[swl_idx].port_name, WWN_SIZE); 2453 2454 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 2455 last_dev = 1; 2456 } 2457 swl_idx++; 2458 } 2459 } else { 2460 /* Send GA_NXT to the switch */ 2461 rval = qla2x00_ga_nxt(ha, new_fcport); 2462 if (rval != QLA_SUCCESS) { 2463 qla_printk(KERN_WARNING, ha, 2464 "SNS scan failed -- assuming zero-entry " 2465 "result...\n"); 2466 list_for_each_entry_safe(fcport, fcptemp, 2467 new_fcports, list) { 2468 list_del(&fcport->list); 2469 kfree(fcport); 2470 } 2471 rval = QLA_SUCCESS; 2472 break; 2473 } 2474 } 2475 2476 /* If wrap on switch device list, exit. */ 2477 if (first_dev) { 2478 wrap.b24 = new_fcport->d_id.b24; 2479 first_dev = 0; 2480 } else if (new_fcport->d_id.b24 == wrap.b24) { 2481 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", 2482 ha->host_no, new_fcport->d_id.b.domain, 2483 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); 2484 break; 2485 } 2486 2487 /* Bypass if host adapter. */ 2488 if (new_fcport->d_id.b24 == ha->d_id.b24) 2489 continue; 2490 2491 /* Bypass if same domain and area of adapter. */ 2492 if (((new_fcport->d_id.b24 & 0xffff00) == 2493 (ha->d_id.b24 & 0xffff00)) && ha->current_topology == 2494 ISP_CFG_FL) 2495 continue; 2496 2497 /* Bypass reserved domain fields. */ 2498 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 2499 continue; 2500 2501 /* Locate matching device in database. */ 2502 found = 0; 2503 list_for_each_entry(fcport, &ha->fcports, list) { 2504 if (memcmp(new_fcport->port_name, fcport->port_name, 2505 WWN_SIZE)) 2506 continue; 2507 2508 found++; 2509 2510 /* 2511 * If address the same and state FCS_ONLINE, nothing 2512 * changed. 2513 */ 2514 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 2515 atomic_read(&fcport->state) == FCS_ONLINE) { 2516 break; 2517 } 2518 2519 /* 2520 * If device was not a fabric device before. 2521 */ 2522 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2523 fcport->d_id.b24 = new_fcport->d_id.b24; 2524 fcport->loop_id = FC_NO_LOOP_ID; 2525 fcport->flags |= (FCF_FABRIC_DEVICE | 2526 FCF_LOGIN_NEEDED); 2527 fcport->flags &= ~FCF_PERSISTENT_BOUND; 2528 break; 2529 } 2530 2531 /* 2532 * Port ID changed or device was marked to be updated; 2533 * Log it out if still logged in and mark it for 2534 * relogin later. 2535 */ 2536 fcport->d_id.b24 = new_fcport->d_id.b24; 2537 fcport->flags |= FCF_LOGIN_NEEDED; 2538 if (fcport->loop_id != FC_NO_LOOP_ID && 2539 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2540 fcport->port_type != FCT_INITIATOR && 2541 fcport->port_type != FCT_BROADCAST) { 2542 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2543 fcport->d_id.b.domain, fcport->d_id.b.area, 2544 fcport->d_id.b.al_pa); 2545 fcport->loop_id = FC_NO_LOOP_ID; 2546 } 2547 2548 break; 2549 } 2550 2551 if (found) 2552 continue; 2553 2554 /* If device was not in our fcports list, then add it. */ 2555 list_add_tail(&new_fcport->list, new_fcports); 2556 2557 /* Allocate a new replacement fcport. */ 2558 nxt_d_id.b24 = new_fcport->d_id.b24; 2559 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2560 if (new_fcport == NULL) { 2561 kfree(swl); 2562 return (QLA_MEMORY_ALLOC_FAILED); 2563 } 2564 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2565 new_fcport->d_id.b24 = nxt_d_id.b24; 2566 } 2567 2568 kfree(swl); 2569 kfree(new_fcport); 2570 2571 if (!list_empty(new_fcports)) 2572 ha->device_flags |= DFLG_FABRIC_DEVICES; 2573 2574 return (rval); 2575 } 2576 2577 /* 2578 * qla2x00_find_new_loop_id 2579 * Scan through our port list and find a new usable loop ID. 2580 * 2581 * Input: 2582 * ha: adapter state pointer. 2583 * dev: port structure pointer. 2584 * 2585 * Returns: 2586 * qla2x00 local function return status code. 2587 * 2588 * Context: 2589 * Kernel context. 2590 */ 2591 static int 2592 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) 2593 { 2594 int rval; 2595 int found; 2596 fc_port_t *fcport; 2597 uint16_t first_loop_id; 2598 2599 rval = QLA_SUCCESS; 2600 2601 /* Save starting loop ID. */ 2602 first_loop_id = dev->loop_id; 2603 2604 for (;;) { 2605 /* Skip loop ID if already used by adapter. */ 2606 if (dev->loop_id == ha->loop_id) { 2607 dev->loop_id++; 2608 } 2609 2610 /* Skip reserved loop IDs. */ 2611 while (qla2x00_is_reserved_id(ha, dev->loop_id)) { 2612 dev->loop_id++; 2613 } 2614 2615 /* Reset loop ID if passed the end. */ 2616 if (dev->loop_id > ha->last_loop_id) { 2617 /* first loop ID. */ 2618 dev->loop_id = ha->min_external_loopid; 2619 } 2620 2621 /* Check for loop ID being already in use. */ 2622 found = 0; 2623 fcport = NULL; 2624 list_for_each_entry(fcport, &ha->fcports, list) { 2625 if (fcport->loop_id == dev->loop_id && fcport != dev) { 2626 /* ID possibly in use */ 2627 found++; 2628 break; 2629 } 2630 } 2631 2632 /* If not in use then it is free to use. */ 2633 if (!found) { 2634 break; 2635 } 2636 2637 /* ID in use. Try next value. */ 2638 dev->loop_id++; 2639 2640 /* If wrap around. No free ID to use. */ 2641 if (dev->loop_id == first_loop_id) { 2642 dev->loop_id = FC_NO_LOOP_ID; 2643 rval = QLA_FUNCTION_FAILED; 2644 break; 2645 } 2646 } 2647 2648 return (rval); 2649 } 2650 2651 /* 2652 * qla2x00_device_resync 2653 * Marks devices in the database that needs resynchronization. 2654 * 2655 * Input: 2656 * ha = adapter block pointer. 2657 * 2658 * Context: 2659 * Kernel context. 2660 */ 2661 static int 2662 qla2x00_device_resync(scsi_qla_host_t *ha) 2663 { 2664 int rval; 2665 uint32_t mask; 2666 fc_port_t *fcport; 2667 uint32_t rscn_entry; 2668 uint8_t rscn_out_iter; 2669 uint8_t format; 2670 port_id_t d_id; 2671 2672 rval = QLA_RSCNS_HANDLED; 2673 2674 while (ha->rscn_out_ptr != ha->rscn_in_ptr || 2675 ha->flags.rscn_queue_overflow) { 2676 2677 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; 2678 format = MSB(MSW(rscn_entry)); 2679 d_id.b.domain = LSB(MSW(rscn_entry)); 2680 d_id.b.area = MSB(LSW(rscn_entry)); 2681 d_id.b.al_pa = LSB(LSW(rscn_entry)); 2682 2683 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " 2684 "[%02x/%02x%02x%02x].\n", 2685 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, 2686 d_id.b.area, d_id.b.al_pa)); 2687 2688 ha->rscn_out_ptr++; 2689 if (ha->rscn_out_ptr == MAX_RSCN_COUNT) 2690 ha->rscn_out_ptr = 0; 2691 2692 /* Skip duplicate entries. */ 2693 for (rscn_out_iter = ha->rscn_out_ptr; 2694 !ha->flags.rscn_queue_overflow && 2695 rscn_out_iter != ha->rscn_in_ptr; 2696 rscn_out_iter = (rscn_out_iter == 2697 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { 2698 2699 if (rscn_entry != ha->rscn_queue[rscn_out_iter]) 2700 break; 2701 2702 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " 2703 "entry found at [%d].\n", ha->host_no, 2704 rscn_out_iter)); 2705 2706 ha->rscn_out_ptr = rscn_out_iter; 2707 } 2708 2709 /* Queue overflow, set switch default case. */ 2710 if (ha->flags.rscn_queue_overflow) { 2711 DEBUG(printk("scsi(%ld): device_resync: rscn " 2712 "overflow.\n", ha->host_no)); 2713 2714 format = 3; 2715 ha->flags.rscn_queue_overflow = 0; 2716 } 2717 2718 switch (format) { 2719 case 0: 2720 mask = 0xffffff; 2721 break; 2722 case 1: 2723 mask = 0xffff00; 2724 break; 2725 case 2: 2726 mask = 0xff0000; 2727 break; 2728 default: 2729 mask = 0x0; 2730 d_id.b24 = 0; 2731 ha->rscn_out_ptr = ha->rscn_in_ptr; 2732 break; 2733 } 2734 2735 rval = QLA_SUCCESS; 2736 2737 list_for_each_entry(fcport, &ha->fcports, list) { 2738 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2739 (fcport->d_id.b24 & mask) != d_id.b24 || 2740 fcport->port_type == FCT_BROADCAST) 2741 continue; 2742 2743 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2744 if (format != 3 || 2745 fcport->port_type != FCT_INITIATOR) { 2746 qla2x00_mark_device_lost(ha, fcport, 2747 0, 0); 2748 } 2749 } 2750 fcport->flags &= ~FCF_FARP_DONE; 2751 } 2752 } 2753 return (rval); 2754 } 2755 2756 /* 2757 * qla2x00_fabric_dev_login 2758 * Login fabric target device and update FC port database. 2759 * 2760 * Input: 2761 * ha: adapter state pointer. 2762 * fcport: port structure list pointer. 2763 * next_loopid: contains value of a new loop ID that can be used 2764 * by the next login attempt. 2765 * 2766 * Returns: 2767 * qla2x00 local function return status code. 2768 * 2769 * Context: 2770 * Kernel context. 2771 */ 2772 static int 2773 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2774 uint16_t *next_loopid) 2775 { 2776 int rval; 2777 int retry; 2778 uint8_t opts; 2779 2780 rval = QLA_SUCCESS; 2781 retry = 0; 2782 2783 rval = qla2x00_fabric_login(ha, fcport, next_loopid); 2784 if (rval == QLA_SUCCESS) { 2785 /* Send an ADISC to tape devices.*/ 2786 opts = 0; 2787 if (fcport->flags & FCF_TAPE_PRESENT) 2788 opts |= BIT_1; 2789 rval = qla2x00_get_port_database(ha, fcport, opts); 2790 if (rval != QLA_SUCCESS) { 2791 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2792 fcport->d_id.b.domain, fcport->d_id.b.area, 2793 fcport->d_id.b.al_pa); 2794 qla2x00_mark_device_lost(ha, fcport, 1, 0); 2795 } else { 2796 qla2x00_update_fcport(ha, fcport); 2797 } 2798 } 2799 2800 return (rval); 2801 } 2802 2803 /* 2804 * qla2x00_fabric_login 2805 * Issue fabric login command. 2806 * 2807 * Input: 2808 * ha = adapter block pointer. 2809 * device = pointer to FC device type structure. 2810 * 2811 * Returns: 2812 * 0 - Login successfully 2813 * 1 - Login failed 2814 * 2 - Initiator device 2815 * 3 - Fatal error 2816 */ 2817 int 2818 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2819 uint16_t *next_loopid) 2820 { 2821 int rval; 2822 int retry; 2823 uint16_t tmp_loopid; 2824 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2825 2826 retry = 0; 2827 tmp_loopid = 0; 2828 2829 for (;;) { 2830 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " 2831 "for port %02x%02x%02x.\n", 2832 ha->host_no, fcport->loop_id, fcport->d_id.b.domain, 2833 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2834 2835 /* Login fcport on switch. */ 2836 ha->isp_ops.fabric_login(ha, fcport->loop_id, 2837 fcport->d_id.b.domain, fcport->d_id.b.area, 2838 fcport->d_id.b.al_pa, mb, BIT_0); 2839 if (mb[0] == MBS_PORT_ID_USED) { 2840 /* 2841 * Device has another loop ID. The firmware team 2842 * recommends the driver perform an implicit login with 2843 * the specified ID again. The ID we just used is save 2844 * here so we return with an ID that can be tried by 2845 * the next login. 2846 */ 2847 retry++; 2848 tmp_loopid = fcport->loop_id; 2849 fcport->loop_id = mb[1]; 2850 2851 DEBUG(printk("Fabric Login: port in use - next " 2852 "loop id=0x%04x, port Id=%02x%02x%02x.\n", 2853 fcport->loop_id, fcport->d_id.b.domain, 2854 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2855 2856 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 2857 /* 2858 * Login succeeded. 2859 */ 2860 if (retry) { 2861 /* A retry occurred before. */ 2862 *next_loopid = tmp_loopid; 2863 } else { 2864 /* 2865 * No retry occurred before. Just increment the 2866 * ID value for next login. 2867 */ 2868 *next_loopid = (fcport->loop_id + 1); 2869 } 2870 2871 if (mb[1] & BIT_0) { 2872 fcport->port_type = FCT_INITIATOR; 2873 } else { 2874 fcport->port_type = FCT_TARGET; 2875 if (mb[1] & BIT_1) { 2876 fcport->flags |= FCF_TAPE_PRESENT; 2877 } 2878 } 2879 2880 if (mb[10] & BIT_0) 2881 fcport->supported_classes |= FC_COS_CLASS2; 2882 if (mb[10] & BIT_1) 2883 fcport->supported_classes |= FC_COS_CLASS3; 2884 2885 rval = QLA_SUCCESS; 2886 break; 2887 } else if (mb[0] == MBS_LOOP_ID_USED) { 2888 /* 2889 * Loop ID already used, try next loop ID. 2890 */ 2891 fcport->loop_id++; 2892 rval = qla2x00_find_new_loop_id(ha, fcport); 2893 if (rval != QLA_SUCCESS) { 2894 /* Ran out of loop IDs to use */ 2895 break; 2896 } 2897 } else if (mb[0] == MBS_COMMAND_ERROR) { 2898 /* 2899 * Firmware possibly timed out during login. If NO 2900 * retries are left to do then the device is declared 2901 * dead. 2902 */ 2903 *next_loopid = fcport->loop_id; 2904 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2905 fcport->d_id.b.domain, fcport->d_id.b.area, 2906 fcport->d_id.b.al_pa); 2907 qla2x00_mark_device_lost(ha, fcport, 1, 0); 2908 2909 rval = 1; 2910 break; 2911 } else { 2912 /* 2913 * unrecoverable / not handled error 2914 */ 2915 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " 2916 "loop_id=%x jiffies=%lx.\n", 2917 __func__, ha->host_no, mb[0], 2918 fcport->d_id.b.domain, fcport->d_id.b.area, 2919 fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); 2920 2921 *next_loopid = fcport->loop_id; 2922 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2923 fcport->d_id.b.domain, fcport->d_id.b.area, 2924 fcport->d_id.b.al_pa); 2925 fcport->loop_id = FC_NO_LOOP_ID; 2926 fcport->login_retry = 0; 2927 2928 rval = 3; 2929 break; 2930 } 2931 } 2932 2933 return (rval); 2934 } 2935 2936 /* 2937 * qla2x00_local_device_login 2938 * Issue local device login command. 2939 * 2940 * Input: 2941 * ha = adapter block pointer. 2942 * loop_id = loop id of device to login to. 2943 * 2944 * Returns (Where's the #define!!!!): 2945 * 0 - Login successfully 2946 * 1 - Login failed 2947 * 3 - Fatal error 2948 */ 2949 int 2950 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport) 2951 { 2952 int rval; 2953 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2954 2955 memset(mb, 0, sizeof(mb)); 2956 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0); 2957 if (rval == QLA_SUCCESS) { 2958 /* Interrogate mailbox registers for any errors */ 2959 if (mb[0] == MBS_COMMAND_ERROR) 2960 rval = 1; 2961 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 2962 /* device not in PCB table */ 2963 rval = 3; 2964 } 2965 2966 return (rval); 2967 } 2968 2969 /* 2970 * qla2x00_loop_resync 2971 * Resync with fibre channel devices. 2972 * 2973 * Input: 2974 * ha = adapter block pointer. 2975 * 2976 * Returns: 2977 * 0 = success 2978 */ 2979 int 2980 qla2x00_loop_resync(scsi_qla_host_t *ha) 2981 { 2982 int rval; 2983 uint32_t wait_time; 2984 2985 rval = QLA_SUCCESS; 2986 2987 atomic_set(&ha->loop_state, LOOP_UPDATE); 2988 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 2989 if (ha->flags.online) { 2990 if (!(rval = qla2x00_fw_ready(ha))) { 2991 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 2992 wait_time = 256; 2993 do { 2994 atomic_set(&ha->loop_state, LOOP_UPDATE); 2995 2996 /* Issue a marker after FW becomes ready. */ 2997 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 2998 ha->marker_needed = 0; 2999 3000 /* Remap devices on Loop. */ 3001 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3002 3003 qla2x00_configure_loop(ha); 3004 wait_time--; 3005 } while (!atomic_read(&ha->loop_down_timer) && 3006 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3007 wait_time && 3008 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3009 } 3010 } 3011 3012 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { 3013 return (QLA_FUNCTION_FAILED); 3014 } 3015 3016 if (rval) { 3017 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 3018 } 3019 3020 return (rval); 3021 } 3022 3023 void 3024 qla2x00_rescan_fcports(scsi_qla_host_t *ha) 3025 { 3026 int rescan_done; 3027 fc_port_t *fcport; 3028 3029 rescan_done = 0; 3030 list_for_each_entry(fcport, &ha->fcports, list) { 3031 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) 3032 continue; 3033 3034 qla2x00_update_fcport(ha, fcport); 3035 fcport->flags &= ~FCF_RESCAN_NEEDED; 3036 3037 rescan_done = 1; 3038 } 3039 qla2x00_probe_for_all_luns(ha); 3040 } 3041 3042 void 3043 qla2x00_update_fcports(scsi_qla_host_t *ha) 3044 { 3045 fc_port_t *fcport; 3046 3047 /* Go with deferred removal of rport references. */ 3048 list_for_each_entry(fcport, &ha->fcports, list) 3049 if (fcport->drport) 3050 qla2x00_rport_del(fcport); 3051 } 3052 3053 /* 3054 * qla2x00_abort_isp 3055 * Resets ISP and aborts all outstanding commands. 3056 * 3057 * Input: 3058 * ha = adapter block pointer. 3059 * 3060 * Returns: 3061 * 0 = success 3062 */ 3063 int 3064 qla2x00_abort_isp(scsi_qla_host_t *ha) 3065 { 3066 int rval; 3067 unsigned long flags = 0; 3068 uint16_t cnt; 3069 srb_t *sp; 3070 uint8_t status = 0; 3071 3072 if (ha->flags.online) { 3073 ha->flags.online = 0; 3074 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 3075 3076 qla_printk(KERN_INFO, ha, 3077 "Performing ISP error recovery - ha= %p.\n", ha); 3078 ha->isp_ops.reset_chip(ha); 3079 3080 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 3081 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 3082 atomic_set(&ha->loop_state, LOOP_DOWN); 3083 qla2x00_mark_all_devices_lost(ha, 0); 3084 } else { 3085 if (!atomic_read(&ha->loop_down_timer)) 3086 atomic_set(&ha->loop_down_timer, 3087 LOOP_DOWN_TIME); 3088 } 3089 3090 spin_lock_irqsave(&ha->hardware_lock, flags); 3091 /* Requeue all commands in outstanding command list. */ 3092 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 3093 sp = ha->outstanding_cmds[cnt]; 3094 if (sp) { 3095 ha->outstanding_cmds[cnt] = NULL; 3096 sp->flags = 0; 3097 sp->cmd->result = DID_RESET << 16; 3098 sp->cmd->host_scribble = (unsigned char *)NULL; 3099 qla2x00_sp_compl(ha, sp); 3100 } 3101 } 3102 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3103 3104 ha->isp_ops.nvram_config(ha); 3105 3106 if (!qla2x00_restart_isp(ha)) { 3107 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3108 3109 if (!atomic_read(&ha->loop_down_timer)) { 3110 /* 3111 * Issue marker command only when we are going 3112 * to start the I/O . 3113 */ 3114 ha->marker_needed = 1; 3115 } 3116 3117 ha->flags.online = 1; 3118 3119 ha->isp_ops.enable_intrs(ha); 3120 3121 ha->isp_abort_cnt = 0; 3122 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3123 3124 if (ha->eft) { 3125 rval = qla2x00_trace_control(ha, TC_ENABLE, 3126 ha->eft_dma, EFT_NUM_BUFFERS); 3127 if (rval) { 3128 qla_printk(KERN_WARNING, ha, 3129 "Unable to reinitialize EFT " 3130 "(%d).\n", rval); 3131 } 3132 } 3133 } else { /* failed the ISP abort */ 3134 ha->flags.online = 1; 3135 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { 3136 if (ha->isp_abort_cnt == 0) { 3137 qla_printk(KERN_WARNING, ha, 3138 "ISP error recovery failed - " 3139 "board disabled\n"); 3140 /* 3141 * The next call disables the board 3142 * completely. 3143 */ 3144 ha->isp_ops.reset_adapter(ha); 3145 ha->flags.online = 0; 3146 clear_bit(ISP_ABORT_RETRY, 3147 &ha->dpc_flags); 3148 status = 0; 3149 } else { /* schedule another ISP abort */ 3150 ha->isp_abort_cnt--; 3151 DEBUG(printk("qla%ld: ISP abort - " 3152 "retry remaining %d\n", 3153 ha->host_no, ha->isp_abort_cnt)); 3154 status = 1; 3155 } 3156 } else { 3157 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3158 DEBUG(printk("qla2x00(%ld): ISP error recovery " 3159 "- retrying (%d) more times\n", 3160 ha->host_no, ha->isp_abort_cnt)); 3161 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3162 status = 1; 3163 } 3164 } 3165 3166 } 3167 3168 if (status) { 3169 qla_printk(KERN_INFO, ha, 3170 "qla2x00_abort_isp: **** FAILED ****\n"); 3171 } else { 3172 DEBUG(printk(KERN_INFO 3173 "qla2x00_abort_isp(%ld): exiting.\n", 3174 ha->host_no)); 3175 } 3176 3177 return(status); 3178 } 3179 3180 /* 3181 * qla2x00_restart_isp 3182 * restarts the ISP after a reset 3183 * 3184 * Input: 3185 * ha = adapter block pointer. 3186 * 3187 * Returns: 3188 * 0 = success 3189 */ 3190 static int 3191 qla2x00_restart_isp(scsi_qla_host_t *ha) 3192 { 3193 uint8_t status = 0; 3194 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3195 unsigned long flags = 0; 3196 uint32_t wait_time; 3197 3198 /* If firmware needs to be loaded */ 3199 if (qla2x00_isp_firmware(ha)) { 3200 ha->flags.online = 0; 3201 if (!(status = ha->isp_ops.chip_diag(ha))) { 3202 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 3203 status = qla2x00_setup_chip(ha); 3204 goto done; 3205 } 3206 3207 spin_lock_irqsave(&ha->hardware_lock, flags); 3208 3209 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) { 3210 /* 3211 * Disable SRAM, Instruction RAM and GP RAM 3212 * parity. 3213 */ 3214 WRT_REG_WORD(®->hccr, 3215 (HCCR_ENABLE_PARITY + 0x0)); 3216 RD_REG_WORD(®->hccr); 3217 } 3218 3219 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3220 3221 status = qla2x00_setup_chip(ha); 3222 3223 spin_lock_irqsave(&ha->hardware_lock, flags); 3224 3225 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) { 3226 /* Enable proper parity */ 3227 if (IS_QLA2300(ha)) 3228 /* SRAM parity */ 3229 WRT_REG_WORD(®->hccr, 3230 (HCCR_ENABLE_PARITY + 0x1)); 3231 else 3232 /* 3233 * SRAM, Instruction RAM and GP RAM 3234 * parity. 3235 */ 3236 WRT_REG_WORD(®->hccr, 3237 (HCCR_ENABLE_PARITY + 0x7)); 3238 RD_REG_WORD(®->hccr); 3239 } 3240 3241 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3242 } 3243 } 3244 3245 done: 3246 if (!status && !(status = qla2x00_init_rings(ha))) { 3247 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3248 if (!(status = qla2x00_fw_ready(ha))) { 3249 DEBUG(printk("%s(): Start configure loop, " 3250 "status = %d\n", __func__, status)); 3251 3252 /* Issue a marker after FW becomes ready. */ 3253 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3254 3255 ha->flags.online = 1; 3256 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3257 wait_time = 256; 3258 do { 3259 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3260 qla2x00_configure_loop(ha); 3261 wait_time--; 3262 } while (!atomic_read(&ha->loop_down_timer) && 3263 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3264 wait_time && 3265 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3266 } 3267 3268 /* if no cable then assume it's good */ 3269 if ((ha->device_flags & DFLG_NO_CABLE)) 3270 status = 0; 3271 3272 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", 3273 __func__, 3274 status)); 3275 } 3276 return (status); 3277 } 3278 3279 /* 3280 * qla2x00_reset_adapter 3281 * Reset adapter. 3282 * 3283 * Input: 3284 * ha = adapter block pointer. 3285 */ 3286 void 3287 qla2x00_reset_adapter(scsi_qla_host_t *ha) 3288 { 3289 unsigned long flags = 0; 3290 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3291 3292 ha->flags.online = 0; 3293 ha->isp_ops.disable_intrs(ha); 3294 3295 spin_lock_irqsave(&ha->hardware_lock, flags); 3296 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 3297 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3298 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 3299 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3300 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3301 } 3302 3303 void 3304 qla24xx_reset_adapter(scsi_qla_host_t *ha) 3305 { 3306 unsigned long flags = 0; 3307 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3308 3309 ha->flags.online = 0; 3310 ha->isp_ops.disable_intrs(ha); 3311 3312 spin_lock_irqsave(&ha->hardware_lock, flags); 3313 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 3314 RD_REG_DWORD(®->hccr); 3315 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 3316 RD_REG_DWORD(®->hccr); 3317 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3318 } 3319 3320 int 3321 qla24xx_nvram_config(scsi_qla_host_t *ha) 3322 { 3323 int rval; 3324 struct init_cb_24xx *icb; 3325 struct nvram_24xx *nv; 3326 uint32_t *dptr; 3327 uint8_t *dptr1, *dptr2; 3328 uint32_t chksum; 3329 uint16_t cnt; 3330 3331 rval = QLA_SUCCESS; 3332 icb = (struct init_cb_24xx *)ha->init_cb; 3333 nv = (struct nvram_24xx *)ha->request_ring; 3334 3335 /* Determine NVRAM starting address. */ 3336 ha->nvram_size = sizeof(struct nvram_24xx); 3337 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 3338 ha->vpd_size = FA_NVRAM_VPD_SIZE; 3339 ha->vpd_base = FA_NVRAM_VPD0_ADDR; 3340 if (PCI_FUNC(ha->pdev->devfn)) { 3341 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 3342 ha->vpd_base = FA_NVRAM_VPD1_ADDR; 3343 } 3344 3345 /* Get NVRAM data and calculate checksum. */ 3346 dptr = (uint32_t *)nv; 3347 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, 3348 ha->nvram_size); 3349 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) 3350 chksum += le32_to_cpu(*dptr++); 3351 3352 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 3353 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, 3354 ha->nvram_size)); 3355 3356 /* Bad NVRAM data, set defaults parameters. */ 3357 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' 3358 || nv->id[3] != ' ' || 3359 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { 3360 /* Reset NVRAM data. */ 3361 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 3362 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 3363 le16_to_cpu(nv->nvram_version)); 3364 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 3365 "invalid -- WWPN) defaults.\n"); 3366 3367 /* 3368 * Set default initialization control block. 3369 */ 3370 memset(nv, 0, ha->nvram_size); 3371 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); 3372 nv->version = __constant_cpu_to_le16(ICB_VERSION); 3373 nv->frame_payload_size = __constant_cpu_to_le16(2048); 3374 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3375 nv->exchange_count = __constant_cpu_to_le16(0); 3376 nv->hard_address = __constant_cpu_to_le16(124); 3377 nv->port_name[0] = 0x21; 3378 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); 3379 nv->port_name[2] = 0x00; 3380 nv->port_name[3] = 0xe0; 3381 nv->port_name[4] = 0x8b; 3382 nv->port_name[5] = 0x1c; 3383 nv->port_name[6] = 0x55; 3384 nv->port_name[7] = 0x86; 3385 nv->node_name[0] = 0x20; 3386 nv->node_name[1] = 0x00; 3387 nv->node_name[2] = 0x00; 3388 nv->node_name[3] = 0xe0; 3389 nv->node_name[4] = 0x8b; 3390 nv->node_name[5] = 0x1c; 3391 nv->node_name[6] = 0x55; 3392 nv->node_name[7] = 0x86; 3393 nv->login_retry_count = __constant_cpu_to_le16(8); 3394 nv->interrupt_delay_timer = __constant_cpu_to_le16(0); 3395 nv->login_timeout = __constant_cpu_to_le16(0); 3396 nv->firmware_options_1 = 3397 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 3398 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); 3399 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); 3400 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); 3401 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); 3402 nv->efi_parameters = __constant_cpu_to_le32(0); 3403 nv->reset_delay = 5; 3404 nv->max_luns_per_target = __constant_cpu_to_le16(128); 3405 nv->port_down_retry_count = __constant_cpu_to_le16(30); 3406 nv->link_down_timeout = __constant_cpu_to_le16(30); 3407 3408 rval = 1; 3409 } 3410 3411 /* Reset Initialization control block */ 3412 memset(icb, 0, sizeof(struct init_cb_24xx)); 3413 3414 /* Copy 1st segment. */ 3415 dptr1 = (uint8_t *)icb; 3416 dptr2 = (uint8_t *)&nv->version; 3417 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 3418 while (cnt--) 3419 *dptr1++ = *dptr2++; 3420 3421 icb->login_retry_count = nv->login_retry_count; 3422 icb->link_down_on_nos = nv->link_down_on_nos; 3423 3424 /* Copy 2nd segment. */ 3425 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 3426 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 3427 cnt = (uint8_t *)&icb->reserved_3 - 3428 (uint8_t *)&icb->interrupt_delay_timer; 3429 while (cnt--) 3430 *dptr1++ = *dptr2++; 3431 3432 /* 3433 * Setup driver NVRAM options. 3434 */ 3435 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) { 3436 char *st, *en; 3437 uint16_t index; 3438 3439 strncpy(ha->model_number, nv->model_name, 3440 sizeof(nv->model_name)); 3441 st = en = ha->model_number; 3442 en += sizeof(nv->model_name) - 1; 3443 while (en > st) { 3444 if (*en != 0x20 && *en != 0x00) 3445 break; 3446 *en-- = '\0'; 3447 } 3448 3449 index = (ha->pdev->subsystem_device & 0xff); 3450 if (index < QLA_MODEL_NAMES) 3451 ha->model_desc = qla2x00_model_name[index * 2 + 1]; 3452 } else 3453 strcpy(ha->model_number, "QLA2462"); 3454 3455 /* Use alternate WWN? */ 3456 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) { 3457 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 3458 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 3459 } 3460 3461 /* Prepare nodename */ 3462 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) { 3463 /* 3464 * Firmware will apply the following mask if the nodename was 3465 * not provided. 3466 */ 3467 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 3468 icb->node_name[0] &= 0xF0; 3469 } 3470 3471 /* Set host adapter parameters. */ 3472 ha->flags.disable_risc_code_load = 0; 3473 ha->flags.enable_lip_reset = 1; 3474 ha->flags.enable_lip_full_login = 1; 3475 ha->flags.enable_target_reset = 1; 3476 ha->flags.enable_led_scheme = 0; 3477 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0; 3478 3479 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & 3480 (BIT_6 | BIT_5 | BIT_4)) >> 4; 3481 3482 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 3483 sizeof(ha->fw_seriallink_options24)); 3484 3485 /* save HBA serial number */ 3486 ha->serial0 = icb->port_name[5]; 3487 ha->serial1 = icb->port_name[6]; 3488 ha->serial2 = icb->port_name[7]; 3489 ha->node_name = icb->node_name; 3490 ha->port_name = icb->port_name; 3491 3492 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3493 3494 ha->retry_count = le16_to_cpu(nv->login_retry_count); 3495 3496 /* Set minimum login_timeout to 4 seconds. */ 3497 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 3498 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 3499 if (le16_to_cpu(nv->login_timeout) < 4) 3500 nv->login_timeout = __constant_cpu_to_le16(4); 3501 ha->login_timeout = le16_to_cpu(nv->login_timeout); 3502 icb->login_timeout = cpu_to_le16(nv->login_timeout); 3503 3504 /* Set minimum RATOV to 200 tenths of a second. */ 3505 ha->r_a_tov = 200; 3506 3507 ha->loop_reset_delay = nv->reset_delay; 3508 3509 /* Link Down Timeout = 0: 3510 * 3511 * When Port Down timer expires we will start returning 3512 * I/O's to OS with "DID_NO_CONNECT". 3513 * 3514 * Link Down Timeout != 0: 3515 * 3516 * The driver waits for the link to come up after link down 3517 * before returning I/Os to OS with "DID_NO_CONNECT". 3518 */ 3519 if (le16_to_cpu(nv->link_down_timeout) == 0) { 3520 ha->loop_down_abort_time = 3521 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 3522 } else { 3523 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 3524 ha->loop_down_abort_time = 3525 (LOOP_DOWN_TIME - ha->link_down_timeout); 3526 } 3527 3528 /* Need enough time to try and get the port back. */ 3529 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 3530 if (qlport_down_retry) 3531 ha->port_down_retry_count = qlport_down_retry; 3532 3533 /* Set login_retry_count */ 3534 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 3535 if (ha->port_down_retry_count == 3536 le16_to_cpu(nv->port_down_retry_count) && 3537 ha->port_down_retry_count > 3) 3538 ha->login_retry_count = ha->port_down_retry_count; 3539 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 3540 ha->login_retry_count = ha->port_down_retry_count; 3541 if (ql2xloginretrycount) 3542 ha->login_retry_count = ql2xloginretrycount; 3543 3544 /* Enable ZIO. */ 3545 if (!ha->flags.init_done) { 3546 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 3547 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 3548 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 3549 le16_to_cpu(icb->interrupt_delay_timer): 2; 3550 } 3551 icb->firmware_options_2 &= __constant_cpu_to_le32( 3552 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 3553 ha->flags.process_response_queue = 0; 3554 if (ha->zio_mode != QLA_ZIO_DISABLED) { 3555 ha->zio_mode = QLA_ZIO_MODE_6; 3556 3557 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay " 3558 "(%d us).\n", ha->host_no, ha->zio_mode, 3559 ha->zio_timer * 100)); 3560 qla_printk(KERN_INFO, ha, 3561 "ZIO mode %d enabled; timer delay (%d us).\n", 3562 ha->zio_mode, ha->zio_timer * 100); 3563 3564 icb->firmware_options_2 |= cpu_to_le32( 3565 (uint32_t)ha->zio_mode); 3566 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 3567 ha->flags.process_response_queue = 1; 3568 } 3569 3570 if (rval) { 3571 DEBUG2_3(printk(KERN_WARNING 3572 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 3573 } 3574 return (rval); 3575 } 3576 3577 static int 3578 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3579 { 3580 int rval; 3581 int segments, fragment; 3582 uint32_t faddr; 3583 uint32_t *dcode, dlen; 3584 uint32_t risc_addr; 3585 uint32_t risc_size; 3586 uint32_t i; 3587 3588 rval = QLA_SUCCESS; 3589 3590 segments = FA_RISC_CODE_SEGMENTS; 3591 faddr = FA_RISC_CODE_ADDR; 3592 dcode = (uint32_t *)ha->request_ring; 3593 *srisc_addr = 0; 3594 3595 /* Validate firmware image by checking version. */ 3596 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); 3597 for (i = 0; i < 4; i++) 3598 dcode[i] = be32_to_cpu(dcode[i]); 3599 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3600 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3601 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3602 dcode[3] == 0)) { 3603 qla_printk(KERN_WARNING, ha, 3604 "Unable to verify integrity of flash firmware image!\n"); 3605 qla_printk(KERN_WARNING, ha, 3606 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3607 dcode[1], dcode[2], dcode[3]); 3608 3609 return QLA_FUNCTION_FAILED; 3610 } 3611 3612 while (segments && rval == QLA_SUCCESS) { 3613 /* Read segment's load information. */ 3614 qla24xx_read_flash_data(ha, dcode, faddr, 4); 3615 3616 risc_addr = be32_to_cpu(dcode[2]); 3617 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3618 risc_size = be32_to_cpu(dcode[3]); 3619 3620 fragment = 0; 3621 while (risc_size > 0 && rval == QLA_SUCCESS) { 3622 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3623 if (dlen > risc_size) 3624 dlen = risc_size; 3625 3626 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3627 "addr %x, number of dwords 0x%x, offset 0x%x.\n", 3628 ha->host_no, risc_addr, dlen, faddr)); 3629 3630 qla24xx_read_flash_data(ha, dcode, faddr, dlen); 3631 for (i = 0; i < dlen; i++) 3632 dcode[i] = swab32(dcode[i]); 3633 3634 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3635 dlen); 3636 if (rval) { 3637 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3638 "segment %d of firmware\n", ha->host_no, 3639 fragment)); 3640 qla_printk(KERN_WARNING, ha, 3641 "[ERROR] Failed to load segment %d of " 3642 "firmware\n", fragment); 3643 break; 3644 } 3645 3646 faddr += dlen; 3647 risc_addr += dlen; 3648 risc_size -= dlen; 3649 fragment++; 3650 } 3651 3652 /* Next segment. */ 3653 segments--; 3654 } 3655 3656 return rval; 3657 } 3658 3659 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/" 3660 3661 int 3662 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3663 { 3664 int rval; 3665 int i, fragment; 3666 uint16_t *wcode, *fwcode; 3667 uint32_t risc_addr, risc_size, fwclen, wlen, *seg; 3668 struct fw_blob *blob; 3669 3670 /* Load firmware blob. */ 3671 blob = qla2x00_request_firmware(ha); 3672 if (!blob) { 3673 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3674 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3675 "from: " QLA_FW_URL ".\n"); 3676 return QLA_FUNCTION_FAILED; 3677 } 3678 3679 rval = QLA_SUCCESS; 3680 3681 wcode = (uint16_t *)ha->request_ring; 3682 *srisc_addr = 0; 3683 fwcode = (uint16_t *)blob->fw->data; 3684 fwclen = 0; 3685 3686 /* Validate firmware image by checking version. */ 3687 if (blob->fw->size < 8 * sizeof(uint16_t)) { 3688 qla_printk(KERN_WARNING, ha, 3689 "Unable to verify integrity of firmware image (%Zd)!\n", 3690 blob->fw->size); 3691 goto fail_fw_integrity; 3692 } 3693 for (i = 0; i < 4; i++) 3694 wcode[i] = be16_to_cpu(fwcode[i + 4]); 3695 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && 3696 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && 3697 wcode[2] == 0 && wcode[3] == 0)) { 3698 qla_printk(KERN_WARNING, ha, 3699 "Unable to verify integrity of firmware image!\n"); 3700 qla_printk(KERN_WARNING, ha, 3701 "Firmware data: %04x %04x %04x %04x!\n", wcode[0], 3702 wcode[1], wcode[2], wcode[3]); 3703 goto fail_fw_integrity; 3704 } 3705 3706 seg = blob->segs; 3707 while (*seg && rval == QLA_SUCCESS) { 3708 risc_addr = *seg; 3709 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; 3710 risc_size = be16_to_cpu(fwcode[3]); 3711 3712 /* Validate firmware image size. */ 3713 fwclen += risc_size * sizeof(uint16_t); 3714 if (blob->fw->size < fwclen) { 3715 qla_printk(KERN_WARNING, ha, 3716 "Unable to verify integrity of firmware image " 3717 "(%Zd)!\n", blob->fw->size); 3718 goto fail_fw_integrity; 3719 } 3720 3721 fragment = 0; 3722 while (risc_size > 0 && rval == QLA_SUCCESS) { 3723 wlen = (uint16_t)(ha->fw_transfer_size >> 1); 3724 if (wlen > risc_size) 3725 wlen = risc_size; 3726 3727 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3728 "addr %x, number of words 0x%x.\n", ha->host_no, 3729 risc_addr, wlen)); 3730 3731 for (i = 0; i < wlen; i++) 3732 wcode[i] = swab16(fwcode[i]); 3733 3734 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3735 wlen); 3736 if (rval) { 3737 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3738 "segment %d of firmware\n", ha->host_no, 3739 fragment)); 3740 qla_printk(KERN_WARNING, ha, 3741 "[ERROR] Failed to load segment %d of " 3742 "firmware\n", fragment); 3743 break; 3744 } 3745 3746 fwcode += wlen; 3747 risc_addr += wlen; 3748 risc_size -= wlen; 3749 fragment++; 3750 } 3751 3752 /* Next segment. */ 3753 seg++; 3754 } 3755 return rval; 3756 3757 fail_fw_integrity: 3758 return QLA_FUNCTION_FAILED; 3759 } 3760 3761 int 3762 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3763 { 3764 int rval; 3765 int segments, fragment; 3766 uint32_t *dcode, dlen; 3767 uint32_t risc_addr; 3768 uint32_t risc_size; 3769 uint32_t i; 3770 struct fw_blob *blob; 3771 uint32_t *fwcode, fwclen; 3772 3773 /* Load firmware blob. */ 3774 blob = qla2x00_request_firmware(ha); 3775 if (!blob) { 3776 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3777 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3778 "from: " QLA_FW_URL ".\n"); 3779 3780 /* Try to load RISC code from flash. */ 3781 qla_printk(KERN_ERR, ha, "Attempting to load (potentially " 3782 "outdated) firmware from flash.\n"); 3783 return qla24xx_load_risc_flash(ha, srisc_addr); 3784 } 3785 3786 rval = QLA_SUCCESS; 3787 3788 segments = FA_RISC_CODE_SEGMENTS; 3789 dcode = (uint32_t *)ha->request_ring; 3790 *srisc_addr = 0; 3791 fwcode = (uint32_t *)blob->fw->data; 3792 fwclen = 0; 3793 3794 /* Validate firmware image by checking version. */ 3795 if (blob->fw->size < 8 * sizeof(uint32_t)) { 3796 qla_printk(KERN_WARNING, ha, 3797 "Unable to verify integrity of firmware image (%Zd)!\n", 3798 blob->fw->size); 3799 goto fail_fw_integrity; 3800 } 3801 for (i = 0; i < 4; i++) 3802 dcode[i] = be32_to_cpu(fwcode[i + 4]); 3803 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3804 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3805 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3806 dcode[3] == 0)) { 3807 qla_printk(KERN_WARNING, ha, 3808 "Unable to verify integrity of firmware image!\n"); 3809 qla_printk(KERN_WARNING, ha, 3810 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3811 dcode[1], dcode[2], dcode[3]); 3812 goto fail_fw_integrity; 3813 } 3814 3815 while (segments && rval == QLA_SUCCESS) { 3816 risc_addr = be32_to_cpu(fwcode[2]); 3817 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3818 risc_size = be32_to_cpu(fwcode[3]); 3819 3820 /* Validate firmware image size. */ 3821 fwclen += risc_size * sizeof(uint32_t); 3822 if (blob->fw->size < fwclen) { 3823 qla_printk(KERN_WARNING, ha, 3824 "Unable to verify integrity of firmware image " 3825 "(%Zd)!\n", blob->fw->size); 3826 3827 goto fail_fw_integrity; 3828 } 3829 3830 fragment = 0; 3831 while (risc_size > 0 && rval == QLA_SUCCESS) { 3832 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3833 if (dlen > risc_size) 3834 dlen = risc_size; 3835 3836 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3837 "addr %x, number of dwords 0x%x.\n", ha->host_no, 3838 risc_addr, dlen)); 3839 3840 for (i = 0; i < dlen; i++) 3841 dcode[i] = swab32(fwcode[i]); 3842 3843 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3844 dlen); 3845 if (rval) { 3846 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3847 "segment %d of firmware\n", ha->host_no, 3848 fragment)); 3849 qla_printk(KERN_WARNING, ha, 3850 "[ERROR] Failed to load segment %d of " 3851 "firmware\n", fragment); 3852 break; 3853 } 3854 3855 fwcode += dlen; 3856 risc_addr += dlen; 3857 risc_size -= dlen; 3858 fragment++; 3859 } 3860 3861 /* Next segment. */ 3862 segments--; 3863 } 3864 return rval; 3865 3866 fail_fw_integrity: 3867 return QLA_FUNCTION_FAILED; 3868 } 3869