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 #include <linux/firmware.h> 12 #include <scsi/scsi_transport_fc.h> 13 14 #include "qla_devtbl.h" 15 16 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */ 17 #ifndef EXT_IS_LUN_BIT_SET 18 #define EXT_IS_LUN_BIT_SET(P,L) \ 19 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0) 20 #define EXT_SET_LUN_BIT(P,L) \ 21 ((P)->mask[L/8] |= (0x80 >> (L%8))) 22 #endif 23 24 /* 25 * QLogic ISP2x00 Hardware Support Function Prototypes. 26 */ 27 static int qla2x00_isp_firmware(scsi_qla_host_t *); 28 static void qla2x00_resize_request_q(scsi_qla_host_t *); 29 static int qla2x00_setup_chip(scsi_qla_host_t *); 30 static void qla2x00_init_response_q_entries(scsi_qla_host_t *); 31 static int qla2x00_init_rings(scsi_qla_host_t *); 32 static int qla2x00_fw_ready(scsi_qla_host_t *); 33 static int qla2x00_configure_hba(scsi_qla_host_t *); 34 static int qla2x00_configure_loop(scsi_qla_host_t *); 35 static int qla2x00_configure_local_loop(scsi_qla_host_t *); 36 static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *); 37 static int qla2x00_configure_fabric(scsi_qla_host_t *); 38 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); 39 static int qla2x00_device_resync(scsi_qla_host_t *); 40 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, 41 uint16_t *); 42 43 static int qla2x00_restart_isp(scsi_qla_host_t *); 44 45 /****************************************************************************/ 46 /* QLogic ISP2x00 Hardware Support Functions. */ 47 /****************************************************************************/ 48 49 /* 50 * qla2x00_initialize_adapter 51 * Initialize board. 52 * 53 * Input: 54 * ha = adapter block pointer. 55 * 56 * Returns: 57 * 0 = success 58 */ 59 int 60 qla2x00_initialize_adapter(scsi_qla_host_t *ha) 61 { 62 int rval; 63 uint8_t restart_risc = 0; 64 uint8_t retry; 65 uint32_t wait_time; 66 67 /* Clear adapter flags. */ 68 ha->flags.online = 0; 69 ha->flags.reset_active = 0; 70 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 71 atomic_set(&ha->loop_state, LOOP_DOWN); 72 ha->device_flags = 0; 73 ha->dpc_flags = 0; 74 ha->flags.management_server_logged_in = 0; 75 ha->marker_needed = 0; 76 ha->mbx_flags = 0; 77 ha->isp_abort_cnt = 0; 78 ha->beacon_blink_led = 0; 79 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); 80 81 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 82 rval = ha->isp_ops.pci_config(ha); 83 if (rval) { 84 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n", 85 ha->host_no)); 86 return (rval); 87 } 88 89 ha->isp_ops.reset_chip(ha); 90 91 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); 92 93 ha->isp_ops.nvram_config(ha); 94 95 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); 96 97 retry = 10; 98 /* 99 * Try to configure the loop. 100 */ 101 do { 102 restart_risc = 0; 103 104 /* If firmware needs to be loaded */ 105 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { 106 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) { 107 rval = qla2x00_setup_chip(ha); 108 } 109 } 110 111 if (rval == QLA_SUCCESS && 112 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) { 113 check_fw_ready_again: 114 /* 115 * Wait for a successful LIP up to a maximum 116 * of (in seconds): RISC login timeout value, 117 * RISC retry count value, and port down retry 118 * value OR a minimum of 4 seconds OR If no 119 * cable, only 5 seconds. 120 */ 121 rval = qla2x00_fw_ready(ha); 122 if (rval == QLA_SUCCESS) { 123 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 124 125 /* Issue a marker after FW becomes ready. */ 126 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 127 128 /* 129 * Wait at most MAX_TARGET RSCNs for a stable 130 * link. 131 */ 132 wait_time = 256; 133 do { 134 clear_bit(LOOP_RESYNC_NEEDED, 135 &ha->dpc_flags); 136 rval = qla2x00_configure_loop(ha); 137 138 if (test_and_clear_bit(ISP_ABORT_NEEDED, 139 &ha->dpc_flags)) { 140 restart_risc = 1; 141 break; 142 } 143 144 /* 145 * If loop state change while we were 146 * discoverying devices then wait for 147 * LIP to complete 148 */ 149 150 if (atomic_read(&ha->loop_state) != 151 LOOP_READY && retry--) { 152 goto check_fw_ready_again; 153 } 154 wait_time--; 155 } while (!atomic_read(&ha->loop_down_timer) && 156 retry && 157 wait_time && 158 (test_bit(LOOP_RESYNC_NEEDED, 159 &ha->dpc_flags))); 160 161 if (wait_time == 0) 162 rval = QLA_FUNCTION_FAILED; 163 } else if (ha->device_flags & DFLG_NO_CABLE) 164 /* If no cable, then all is good. */ 165 rval = QLA_SUCCESS; 166 } 167 } while (restart_risc && retry--); 168 169 if (rval == QLA_SUCCESS) { 170 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 171 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 172 ha->marker_needed = 0; 173 174 ha->flags.online = 1; 175 } else { 176 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 177 } 178 179 return (rval); 180 } 181 182 /** 183 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. 184 * @ha: HA context 185 * 186 * Returns 0 on success. 187 */ 188 int 189 qla2100_pci_config(scsi_qla_host_t *ha) 190 { 191 uint16_t w, mwi; 192 uint32_t d; 193 unsigned long flags; 194 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 195 196 pci_set_master(ha->pdev); 197 mwi = 0; 198 if (pci_set_mwi(ha->pdev)) 199 mwi = PCI_COMMAND_INVALIDATE; 200 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); 201 202 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 203 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 204 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 205 206 /* Reset expansion ROM address decode enable */ 207 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 208 d &= ~PCI_ROM_ADDRESS_ENABLE; 209 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 210 211 /* Get PCI bus information. */ 212 spin_lock_irqsave(&ha->hardware_lock, flags); 213 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 214 spin_unlock_irqrestore(&ha->hardware_lock, flags); 215 216 return QLA_SUCCESS; 217 } 218 219 /** 220 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. 221 * @ha: HA context 222 * 223 * Returns 0 on success. 224 */ 225 int 226 qla2300_pci_config(scsi_qla_host_t *ha) 227 { 228 uint16_t w, mwi; 229 uint32_t d; 230 unsigned long flags = 0; 231 uint32_t cnt; 232 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 233 234 pci_set_master(ha->pdev); 235 mwi = 0; 236 if (pci_set_mwi(ha->pdev)) 237 mwi = PCI_COMMAND_INVALIDATE; 238 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); 239 240 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 241 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 242 243 if (IS_QLA2322(ha) || IS_QLA6322(ha)) 244 w &= ~PCI_COMMAND_INTX_DISABLE; 245 246 /* 247 * If this is a 2300 card and not 2312, reset the 248 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, 249 * the 2310 also reports itself as a 2300 so we need to get the 250 * fb revision level -- a 6 indicates it really is a 2300 and 251 * not a 2310. 252 */ 253 if (IS_QLA2300(ha)) { 254 spin_lock_irqsave(&ha->hardware_lock, flags); 255 256 /* Pause RISC. */ 257 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 258 for (cnt = 0; cnt < 30000; cnt++) { 259 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) != 0) 260 break; 261 262 udelay(10); 263 } 264 265 /* Select FPM registers. */ 266 WRT_REG_WORD(®->ctrl_status, 0x20); 267 RD_REG_WORD(®->ctrl_status); 268 269 /* Get the fb rev level */ 270 ha->fb_rev = RD_FB_CMD_REG(ha, reg); 271 272 if (ha->fb_rev == FPM_2300) 273 w &= ~PCI_COMMAND_INVALIDATE; 274 275 /* Deselect FPM registers. */ 276 WRT_REG_WORD(®->ctrl_status, 0x0); 277 RD_REG_WORD(®->ctrl_status); 278 279 /* Release RISC module. */ 280 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 281 for (cnt = 0; cnt < 30000; cnt++) { 282 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0) 283 break; 284 285 udelay(10); 286 } 287 288 spin_unlock_irqrestore(&ha->hardware_lock, flags); 289 } 290 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 291 292 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 293 294 /* Reset expansion ROM address decode enable */ 295 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 296 d &= ~PCI_ROM_ADDRESS_ENABLE; 297 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 298 299 /* Get PCI bus information. */ 300 spin_lock_irqsave(&ha->hardware_lock, flags); 301 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 302 spin_unlock_irqrestore(&ha->hardware_lock, flags); 303 304 return QLA_SUCCESS; 305 } 306 307 /** 308 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers. 309 * @ha: HA context 310 * 311 * Returns 0 on success. 312 */ 313 int 314 qla24xx_pci_config(scsi_qla_host_t *ha) 315 { 316 uint16_t w, mwi; 317 uint32_t d; 318 unsigned long flags = 0; 319 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 320 int pcix_cmd_reg, pcie_dctl_reg; 321 322 pci_set_master(ha->pdev); 323 mwi = 0; 324 if (pci_set_mwi(ha->pdev)) 325 mwi = PCI_COMMAND_INVALIDATE; 326 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); 327 328 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 329 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 330 w &= ~PCI_COMMAND_INTX_DISABLE; 331 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 332 333 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 334 335 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */ 336 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX); 337 if (pcix_cmd_reg) { 338 uint16_t pcix_cmd; 339 340 pcix_cmd_reg += PCI_X_CMD; 341 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd); 342 pcix_cmd &= ~PCI_X_CMD_MAX_READ; 343 pcix_cmd |= 0x0008; 344 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd); 345 } 346 347 /* PCIe -- adjust Maximum Read Request Size (2048). */ 348 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); 349 if (pcie_dctl_reg) { 350 uint16_t pcie_dctl; 351 352 pcie_dctl_reg += PCI_EXP_DEVCTL; 353 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl); 354 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ; 355 pcie_dctl |= 0x4000; 356 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl); 357 } 358 359 /* Reset expansion ROM address decode enable */ 360 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 361 d &= ~PCI_ROM_ADDRESS_ENABLE; 362 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 363 364 /* Get PCI bus information. */ 365 spin_lock_irqsave(&ha->hardware_lock, flags); 366 ha->pci_attr = RD_REG_DWORD(®->ctrl_status); 367 spin_unlock_irqrestore(&ha->hardware_lock, flags); 368 369 return QLA_SUCCESS; 370 } 371 372 /** 373 * qla2x00_isp_firmware() - Choose firmware image. 374 * @ha: HA context 375 * 376 * Returns 0 on success. 377 */ 378 static int 379 qla2x00_isp_firmware(scsi_qla_host_t *ha) 380 { 381 int rval; 382 383 /* Assume loading risc code */ 384 rval = QLA_FUNCTION_FAILED; 385 386 if (ha->flags.disable_risc_code_load) { 387 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", 388 ha->host_no)); 389 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); 390 391 /* Verify checksum of loaded RISC code. */ 392 rval = qla2x00_verify_checksum(ha, 393 IS_QLA24XX(ha) || IS_QLA25XX(ha) ? RISC_SADDRESS : 394 *ha->brd_info->fw_info[0].fwstart); 395 } 396 397 if (rval) { 398 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", 399 ha->host_no)); 400 } 401 402 return (rval); 403 } 404 405 /** 406 * qla2x00_reset_chip() - Reset ISP chip. 407 * @ha: HA context 408 * 409 * Returns 0 on success. 410 */ 411 void 412 qla2x00_reset_chip(scsi_qla_host_t *ha) 413 { 414 unsigned long flags = 0; 415 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 416 uint32_t cnt; 417 unsigned long mbx_flags = 0; 418 uint16_t cmd; 419 420 ha->isp_ops.disable_intrs(ha); 421 422 spin_lock_irqsave(&ha->hardware_lock, flags); 423 424 /* Turn off master enable */ 425 cmd = 0; 426 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); 427 cmd &= ~PCI_COMMAND_MASTER; 428 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 429 430 if (!IS_QLA2100(ha)) { 431 /* Pause RISC. */ 432 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 433 if (IS_QLA2200(ha) || IS_QLA2300(ha)) { 434 for (cnt = 0; cnt < 30000; cnt++) { 435 if ((RD_REG_WORD(®->hccr) & 436 HCCR_RISC_PAUSE) != 0) 437 break; 438 udelay(100); 439 } 440 } else { 441 RD_REG_WORD(®->hccr); /* PCI Posting. */ 442 udelay(10); 443 } 444 445 /* Select FPM registers. */ 446 WRT_REG_WORD(®->ctrl_status, 0x20); 447 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 448 449 /* FPM Soft Reset. */ 450 WRT_REG_WORD(®->fpm_diag_config, 0x100); 451 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 452 453 /* Toggle Fpm Reset. */ 454 if (!IS_QLA2200(ha)) { 455 WRT_REG_WORD(®->fpm_diag_config, 0x0); 456 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 457 } 458 459 /* Select frame buffer registers. */ 460 WRT_REG_WORD(®->ctrl_status, 0x10); 461 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 462 463 /* Reset frame buffer FIFOs. */ 464 if (IS_QLA2200(ha)) { 465 WRT_FB_CMD_REG(ha, reg, 0xa000); 466 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ 467 } else { 468 WRT_FB_CMD_REG(ha, reg, 0x00fc); 469 470 /* Read back fb_cmd until zero or 3 seconds max */ 471 for (cnt = 0; cnt < 3000; cnt++) { 472 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) 473 break; 474 udelay(100); 475 } 476 } 477 478 /* Select RISC module registers. */ 479 WRT_REG_WORD(®->ctrl_status, 0); 480 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 481 482 /* Reset RISC processor. */ 483 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 484 RD_REG_WORD(®->hccr); /* PCI Posting. */ 485 486 /* Release RISC processor. */ 487 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 488 RD_REG_WORD(®->hccr); /* PCI Posting. */ 489 } 490 491 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 492 WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); 493 494 /* Reset ISP chip. */ 495 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 496 497 /* Wait for RISC to recover from reset. */ 498 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 499 /* 500 * It is necessary to for a delay here since the card doesn't 501 * respond to PCI reads during a reset. On some architectures 502 * this will result in an MCA. 503 */ 504 udelay(20); 505 for (cnt = 30000; cnt; cnt--) { 506 if ((RD_REG_WORD(®->ctrl_status) & 507 CSR_ISP_SOFT_RESET) == 0) 508 break; 509 udelay(100); 510 } 511 } else 512 udelay(10); 513 514 /* Reset RISC processor. */ 515 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 516 517 WRT_REG_WORD(®->semaphore, 0); 518 519 /* Release RISC processor. */ 520 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 521 RD_REG_WORD(®->hccr); /* PCI Posting. */ 522 523 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 524 for (cnt = 0; cnt < 30000; cnt++) { 525 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) 526 spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags); 527 528 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) { 529 if (!(test_bit(ABORT_ISP_ACTIVE, 530 &ha->dpc_flags))) 531 spin_unlock_irqrestore( 532 &ha->mbx_reg_lock, mbx_flags); 533 break; 534 } 535 536 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) 537 spin_unlock_irqrestore(&ha->mbx_reg_lock, 538 mbx_flags); 539 540 udelay(100); 541 } 542 } else 543 udelay(100); 544 545 /* Turn on master enable */ 546 cmd |= PCI_COMMAND_MASTER; 547 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 548 549 /* Disable RISC pause on FPM parity error. */ 550 if (!IS_QLA2100(ha)) { 551 WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); 552 RD_REG_WORD(®->hccr); /* PCI Posting. */ 553 } 554 555 spin_unlock_irqrestore(&ha->hardware_lock, flags); 556 } 557 558 /** 559 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC. 560 * @ha: HA context 561 * 562 * Returns 0 on success. 563 */ 564 static inline void 565 qla24xx_reset_risc(scsi_qla_host_t *ha) 566 { 567 unsigned long flags = 0; 568 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 569 uint32_t cnt, d2; 570 uint16_t wd; 571 572 spin_lock_irqsave(&ha->hardware_lock, flags); 573 574 /* Reset RISC. */ 575 WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 576 for (cnt = 0; cnt < 30000; cnt++) { 577 if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) 578 break; 579 580 udelay(10); 581 } 582 583 WRT_REG_DWORD(®->ctrl_status, 584 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 585 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd); 586 587 udelay(100); 588 /* Wait for firmware to complete NVRAM accesses. */ 589 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 590 for (cnt = 10000 ; cnt && d2; cnt--) { 591 udelay(5); 592 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 593 barrier(); 594 } 595 596 /* Wait for soft-reset to complete. */ 597 d2 = RD_REG_DWORD(®->ctrl_status); 598 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) { 599 udelay(5); 600 d2 = RD_REG_DWORD(®->ctrl_status); 601 barrier(); 602 } 603 604 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 605 RD_REG_DWORD(®->hccr); 606 607 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 608 RD_REG_DWORD(®->hccr); 609 610 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET); 611 RD_REG_DWORD(®->hccr); 612 613 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 614 for (cnt = 6000000 ; cnt && d2; cnt--) { 615 udelay(5); 616 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 617 barrier(); 618 } 619 620 spin_unlock_irqrestore(&ha->hardware_lock, flags); 621 } 622 623 /** 624 * qla24xx_reset_chip() - Reset ISP24xx chip. 625 * @ha: HA context 626 * 627 * Returns 0 on success. 628 */ 629 void 630 qla24xx_reset_chip(scsi_qla_host_t *ha) 631 { 632 ha->isp_ops.disable_intrs(ha); 633 634 /* Perform RISC reset. */ 635 qla24xx_reset_risc(ha); 636 } 637 638 /** 639 * qla2x00_chip_diag() - Test chip for proper operation. 640 * @ha: HA context 641 * 642 * Returns 0 on success. 643 */ 644 int 645 qla2x00_chip_diag(scsi_qla_host_t *ha) 646 { 647 int rval; 648 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 649 unsigned long flags = 0; 650 uint16_t data; 651 uint32_t cnt; 652 uint16_t mb[5]; 653 654 /* Assume a failed state */ 655 rval = QLA_FUNCTION_FAILED; 656 657 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", 658 ha->host_no, (u_long)®->flash_address)); 659 660 spin_lock_irqsave(&ha->hardware_lock, flags); 661 662 /* Reset ISP chip. */ 663 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 664 665 /* 666 * We need to have a delay here since the card will not respond while 667 * in reset causing an MCA on some architectures. 668 */ 669 udelay(20); 670 data = qla2x00_debounce_register(®->ctrl_status); 671 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { 672 udelay(5); 673 data = RD_REG_WORD(®->ctrl_status); 674 barrier(); 675 } 676 677 if (!cnt) 678 goto chip_diag_failed; 679 680 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", 681 ha->host_no)); 682 683 /* Reset RISC processor. */ 684 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 685 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 686 687 /* Workaround for QLA2312 PCI parity error */ 688 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 689 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); 690 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { 691 udelay(5); 692 data = RD_MAILBOX_REG(ha, reg, 0); 693 barrier(); 694 } 695 } else 696 udelay(10); 697 698 if (!cnt) 699 goto chip_diag_failed; 700 701 /* Check product ID of chip */ 702 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); 703 704 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 705 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 706 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 707 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); 708 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || 709 mb[3] != PROD_ID_3) { 710 qla_printk(KERN_WARNING, ha, 711 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); 712 713 goto chip_diag_failed; 714 } 715 ha->product_id[0] = mb[1]; 716 ha->product_id[1] = mb[2]; 717 ha->product_id[2] = mb[3]; 718 ha->product_id[3] = mb[4]; 719 720 /* Adjust fw RISC transfer size */ 721 if (ha->request_q_length > 1024) 722 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 723 else 724 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 725 ha->request_q_length; 726 727 if (IS_QLA2200(ha) && 728 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { 729 /* Limit firmware transfer size with a 2200A */ 730 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", 731 ha->host_no)); 732 733 ha->fw_transfer_size = 128; 734 } 735 736 /* Wrap Incoming Mailboxes Test. */ 737 spin_unlock_irqrestore(&ha->hardware_lock, flags); 738 739 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); 740 rval = qla2x00_mbx_reg_test(ha); 741 if (rval) { 742 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 743 ha->host_no)); 744 qla_printk(KERN_WARNING, ha, 745 "Failed mailbox send register test\n"); 746 } 747 else { 748 /* Flag a successful rval */ 749 rval = QLA_SUCCESS; 750 } 751 spin_lock_irqsave(&ha->hardware_lock, flags); 752 753 chip_diag_failed: 754 if (rval) 755 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " 756 "****\n", ha->host_no)); 757 758 spin_unlock_irqrestore(&ha->hardware_lock, flags); 759 760 return (rval); 761 } 762 763 /** 764 * qla24xx_chip_diag() - Test ISP24xx for proper operation. 765 * @ha: HA context 766 * 767 * Returns 0 on success. 768 */ 769 int 770 qla24xx_chip_diag(scsi_qla_host_t *ha) 771 { 772 int rval; 773 774 /* Perform RISC reset. */ 775 qla24xx_reset_risc(ha); 776 777 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 778 779 rval = qla2x00_mbx_reg_test(ha); 780 if (rval) { 781 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 782 ha->host_no)); 783 qla_printk(KERN_WARNING, ha, 784 "Failed mailbox send register test\n"); 785 } else { 786 /* Flag a successful rval */ 787 rval = QLA_SUCCESS; 788 } 789 790 return rval; 791 } 792 793 static void 794 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) 795 { 796 ha->fw_dumped = 0; 797 ha->fw_dump24_len = sizeof(struct qla24xx_fw_dump); 798 ha->fw_dump24_len += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t); 799 ha->fw_dump24 = vmalloc(ha->fw_dump24_len); 800 if (ha->fw_dump24) 801 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware " 802 "dump...\n", ha->fw_dump24_len / 1024); 803 else 804 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for " 805 "firmware dump!!!\n", ha->fw_dump24_len / 1024); 806 } 807 808 /** 809 * qla2x00_resize_request_q() - Resize request queue given available ISP memory. 810 * @ha: HA context 811 * 812 * Returns 0 on success. 813 */ 814 static void 815 qla2x00_resize_request_q(scsi_qla_host_t *ha) 816 { 817 int rval; 818 uint16_t fw_iocb_cnt = 0; 819 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; 820 dma_addr_t request_dma; 821 request_t *request_ring; 822 823 /* Valid only on recent ISPs. */ 824 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 825 return; 826 827 if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) 828 qla2x00_alloc_fw_dump(ha); 829 830 /* Retrieve IOCB counts available to the firmware. */ 831 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt); 832 if (rval) 833 return; 834 /* No point in continuing if current settings are sufficient. */ 835 if (fw_iocb_cnt < 1024) 836 return; 837 if (ha->request_q_length >= request_q_length) 838 return; 839 840 /* Attempt to claim larger area for request queue. */ 841 request_ring = dma_alloc_coherent(&ha->pdev->dev, 842 (request_q_length + 1) * sizeof(request_t), &request_dma, 843 GFP_KERNEL); 844 if (request_ring == NULL) 845 return; 846 847 /* Resize successful, report extensions. */ 848 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", 849 (ha->fw_memory_size + 1) / 1024); 850 qla_printk(KERN_INFO, ha, "Resizing request queue depth " 851 "(%d -> %d)...\n", ha->request_q_length, request_q_length); 852 853 /* Clear old allocations. */ 854 dma_free_coherent(&ha->pdev->dev, 855 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, 856 ha->request_dma); 857 858 /* Begin using larger queue. */ 859 ha->request_q_length = request_q_length; 860 ha->request_ring = request_ring; 861 ha->request_dma = request_dma; 862 } 863 864 /** 865 * qla2x00_setup_chip() - Load and start RISC firmware. 866 * @ha: HA context 867 * 868 * Returns 0 on success. 869 */ 870 static int 871 qla2x00_setup_chip(scsi_qla_host_t *ha) 872 { 873 int rval; 874 uint32_t srisc_address = 0; 875 876 /* Load firmware sequences */ 877 rval = ha->isp_ops.load_risc(ha, &srisc_address); 878 if (rval == QLA_SUCCESS) { 879 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " 880 "code.\n", ha->host_no)); 881 882 rval = qla2x00_verify_checksum(ha, srisc_address); 883 if (rval == QLA_SUCCESS) { 884 /* Start firmware execution. */ 885 DEBUG(printk("scsi(%ld): Checksum OK, start " 886 "firmware.\n", ha->host_no)); 887 888 rval = qla2x00_execute_fw(ha, srisc_address); 889 /* Retrieve firmware information. */ 890 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { 891 qla2x00_get_fw_version(ha, 892 &ha->fw_major_version, 893 &ha->fw_minor_version, 894 &ha->fw_subminor_version, 895 &ha->fw_attributes, &ha->fw_memory_size); 896 qla2x00_resize_request_q(ha); 897 } 898 } else { 899 DEBUG2(printk(KERN_INFO 900 "scsi(%ld): ISP Firmware failed checksum.\n", 901 ha->host_no)); 902 } 903 } 904 905 if (rval) { 906 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", 907 ha->host_no)); 908 } 909 910 return (rval); 911 } 912 913 /** 914 * qla2x00_init_response_q_entries() - Initializes response queue entries. 915 * @ha: HA context 916 * 917 * Beginning of request ring has initialization control block already built 918 * by nvram config routine. 919 * 920 * Returns 0 on success. 921 */ 922 static void 923 qla2x00_init_response_q_entries(scsi_qla_host_t *ha) 924 { 925 uint16_t cnt; 926 response_t *pkt; 927 928 pkt = ha->response_ring_ptr; 929 for (cnt = 0; cnt < ha->response_q_length; cnt++) { 930 pkt->signature = RESPONSE_PROCESSED; 931 pkt++; 932 } 933 934 } 935 936 /** 937 * qla2x00_update_fw_options() - Read and process firmware options. 938 * @ha: HA context 939 * 940 * Returns 0 on success. 941 */ 942 void 943 qla2x00_update_fw_options(scsi_qla_host_t *ha) 944 { 945 uint16_t swing, emphasis, tx_sens, rx_sens; 946 947 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 948 qla2x00_get_fw_options(ha, ha->fw_options); 949 950 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 951 return; 952 953 /* Serial Link options. */ 954 DEBUG3(printk("scsi(%ld): Serial link options:\n", 955 ha->host_no)); 956 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, 957 sizeof(ha->fw_seriallink_options))); 958 959 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 960 if (ha->fw_seriallink_options[3] & BIT_2) { 961 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 962 963 /* 1G settings */ 964 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 965 emphasis = (ha->fw_seriallink_options[2] & 966 (BIT_4 | BIT_3)) >> 3; 967 tx_sens = ha->fw_seriallink_options[0] & 968 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 969 rx_sens = (ha->fw_seriallink_options[0] & 970 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 971 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 972 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 973 if (rx_sens == 0x0) 974 rx_sens = 0x3; 975 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 976 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 977 ha->fw_options[10] |= BIT_5 | 978 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 979 (tx_sens & (BIT_1 | BIT_0)); 980 981 /* 2G settings */ 982 swing = (ha->fw_seriallink_options[2] & 983 (BIT_7 | BIT_6 | BIT_5)) >> 5; 984 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 985 tx_sens = ha->fw_seriallink_options[1] & 986 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 987 rx_sens = (ha->fw_seriallink_options[1] & 988 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 989 ha->fw_options[11] = (emphasis << 14) | (swing << 8); 990 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 991 if (rx_sens == 0x0) 992 rx_sens = 0x3; 993 ha->fw_options[11] |= (tx_sens << 4) | rx_sens; 994 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 995 ha->fw_options[11] |= BIT_5 | 996 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 997 (tx_sens & (BIT_1 | BIT_0)); 998 } 999 1000 /* FCP2 options. */ 1001 /* Return command IOCBs without waiting for an ABTS to complete. */ 1002 ha->fw_options[3] |= BIT_13; 1003 1004 /* LED scheme. */ 1005 if (ha->flags.enable_led_scheme) 1006 ha->fw_options[2] |= BIT_12; 1007 1008 /* Update firmware options. */ 1009 qla2x00_set_fw_options(ha, ha->fw_options); 1010 } 1011 1012 void 1013 qla24xx_update_fw_options(scsi_qla_host_t *ha) 1014 { 1015 int rval; 1016 1017 /* Update Serial Link options. */ 1018 if ((ha->fw_seriallink_options24[0] & BIT_0) == 0) 1019 return; 1020 1021 rval = qla2x00_set_serdes_params(ha, ha->fw_seriallink_options24[1], 1022 ha->fw_seriallink_options24[2], ha->fw_seriallink_options24[3]); 1023 if (rval != QLA_SUCCESS) { 1024 qla_printk(KERN_WARNING, ha, 1025 "Unable to update Serial Link options (%x).\n", rval); 1026 } 1027 } 1028 1029 void 1030 qla2x00_config_rings(struct scsi_qla_host *ha) 1031 { 1032 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1033 1034 /* Setup ring parameters in initialization control block. */ 1035 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); 1036 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); 1037 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); 1038 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); 1039 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1040 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1041 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1042 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1043 1044 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); 1045 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); 1046 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); 1047 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); 1048 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 1049 } 1050 1051 void 1052 qla24xx_config_rings(struct scsi_qla_host *ha) 1053 { 1054 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1055 struct init_cb_24xx *icb; 1056 1057 /* Setup ring parameters in initialization control block. */ 1058 icb = (struct init_cb_24xx *)ha->init_cb; 1059 icb->request_q_outpointer = __constant_cpu_to_le16(0); 1060 icb->response_q_inpointer = __constant_cpu_to_le16(0); 1061 icb->request_q_length = cpu_to_le16(ha->request_q_length); 1062 icb->response_q_length = cpu_to_le16(ha->response_q_length); 1063 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1064 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1065 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1066 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1067 1068 WRT_REG_DWORD(®->req_q_in, 0); 1069 WRT_REG_DWORD(®->req_q_out, 0); 1070 WRT_REG_DWORD(®->rsp_q_in, 0); 1071 WRT_REG_DWORD(®->rsp_q_out, 0); 1072 RD_REG_DWORD(®->rsp_q_out); 1073 } 1074 1075 /** 1076 * qla2x00_init_rings() - Initializes firmware. 1077 * @ha: HA context 1078 * 1079 * Beginning of request ring has initialization control block already built 1080 * by nvram config routine. 1081 * 1082 * Returns 0 on success. 1083 */ 1084 static int 1085 qla2x00_init_rings(scsi_qla_host_t *ha) 1086 { 1087 int rval; 1088 unsigned long flags = 0; 1089 int cnt; 1090 1091 spin_lock_irqsave(&ha->hardware_lock, flags); 1092 1093 /* Clear outstanding commands array. */ 1094 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) 1095 ha->outstanding_cmds[cnt] = NULL; 1096 1097 ha->current_outstanding_cmd = 0; 1098 1099 /* Clear RSCN queue. */ 1100 ha->rscn_in_ptr = 0; 1101 ha->rscn_out_ptr = 0; 1102 1103 /* Initialize firmware. */ 1104 ha->request_ring_ptr = ha->request_ring; 1105 ha->req_ring_index = 0; 1106 ha->req_q_cnt = ha->request_q_length; 1107 ha->response_ring_ptr = ha->response_ring; 1108 ha->rsp_ring_index = 0; 1109 1110 /* Initialize response queue entries */ 1111 qla2x00_init_response_q_entries(ha); 1112 1113 ha->isp_ops.config_rings(ha); 1114 1115 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1116 1117 /* Update any ISP specific firmware options before initialization. */ 1118 ha->isp_ops.update_fw_options(ha); 1119 1120 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); 1121 rval = qla2x00_init_firmware(ha, ha->init_cb_size); 1122 if (rval) { 1123 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", 1124 ha->host_no)); 1125 } else { 1126 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", 1127 ha->host_no)); 1128 } 1129 1130 return (rval); 1131 } 1132 1133 /** 1134 * qla2x00_fw_ready() - Waits for firmware ready. 1135 * @ha: HA context 1136 * 1137 * Returns 0 on success. 1138 */ 1139 static int 1140 qla2x00_fw_ready(scsi_qla_host_t *ha) 1141 { 1142 int rval; 1143 unsigned long wtime, mtime; 1144 uint16_t min_wait; /* Minimum wait time if loop is down */ 1145 uint16_t wait_time; /* Wait time if loop is coming ready */ 1146 uint16_t fw_state; 1147 1148 rval = QLA_SUCCESS; 1149 1150 /* 20 seconds for loop down. */ 1151 min_wait = 20; 1152 1153 /* 1154 * Firmware should take at most one RATOV to login, plus 5 seconds for 1155 * our own processing. 1156 */ 1157 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 1158 wait_time = min_wait; 1159 } 1160 1161 /* Min wait time if loop down */ 1162 mtime = jiffies + (min_wait * HZ); 1163 1164 /* wait time before firmware ready */ 1165 wtime = jiffies + (wait_time * HZ); 1166 1167 /* Wait for ISP to finish LIP */ 1168 if (!ha->flags.init_done) 1169 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); 1170 1171 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", 1172 ha->host_no)); 1173 1174 do { 1175 rval = qla2x00_get_firmware_state(ha, &fw_state); 1176 if (rval == QLA_SUCCESS) { 1177 if (fw_state < FSTATE_LOSS_OF_SYNC) { 1178 ha->device_flags &= ~DFLG_NO_CABLE; 1179 } 1180 if (fw_state == FSTATE_READY) { 1181 DEBUG(printk("scsi(%ld): F/W Ready - OK \n", 1182 ha->host_no)); 1183 1184 qla2x00_get_retry_cnt(ha, &ha->retry_count, 1185 &ha->login_timeout, &ha->r_a_tov); 1186 1187 rval = QLA_SUCCESS; 1188 break; 1189 } 1190 1191 rval = QLA_FUNCTION_FAILED; 1192 1193 if (atomic_read(&ha->loop_down_timer) && 1194 (fw_state >= FSTATE_LOSS_OF_SYNC || 1195 fw_state == FSTATE_WAIT_AL_PA)) { 1196 /* Loop down. Timeout on min_wait for states 1197 * other than Wait for Login. 1198 */ 1199 if (time_after_eq(jiffies, mtime)) { 1200 qla_printk(KERN_INFO, ha, 1201 "Cable is unplugged...\n"); 1202 1203 ha->device_flags |= DFLG_NO_CABLE; 1204 break; 1205 } 1206 } 1207 } else { 1208 /* Mailbox cmd failed. Timeout on min_wait. */ 1209 if (time_after_eq(jiffies, mtime)) 1210 break; 1211 } 1212 1213 if (time_after_eq(jiffies, wtime)) 1214 break; 1215 1216 /* Delay for a while */ 1217 msleep(500); 1218 1219 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1220 ha->host_no, fw_state, jiffies)); 1221 } while (1); 1222 1223 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1224 ha->host_no, fw_state, jiffies)); 1225 1226 if (rval) { 1227 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", 1228 ha->host_no)); 1229 } 1230 1231 return (rval); 1232 } 1233 1234 /* 1235 * qla2x00_configure_hba 1236 * Setup adapter context. 1237 * 1238 * Input: 1239 * ha = adapter state pointer. 1240 * 1241 * Returns: 1242 * 0 = success 1243 * 1244 * Context: 1245 * Kernel context. 1246 */ 1247 static int 1248 qla2x00_configure_hba(scsi_qla_host_t *ha) 1249 { 1250 int rval; 1251 uint16_t loop_id; 1252 uint16_t topo; 1253 uint8_t al_pa; 1254 uint8_t area; 1255 uint8_t domain; 1256 char connect_type[22]; 1257 1258 /* Get host addresses. */ 1259 rval = qla2x00_get_adapter_id(ha, 1260 &loop_id, &al_pa, &area, &domain, &topo); 1261 if (rval != QLA_SUCCESS) { 1262 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) || 1263 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { 1264 DEBUG2(printk("%s(%ld) Loop is in a transition state\n", 1265 __func__, ha->host_no)); 1266 } else { 1267 qla_printk(KERN_WARNING, ha, 1268 "ERROR -- Unable to get host loop ID.\n"); 1269 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 1270 } 1271 return (rval); 1272 } 1273 1274 if (topo == 4) { 1275 qla_printk(KERN_INFO, ha, 1276 "Cannot get topology - retrying.\n"); 1277 return (QLA_FUNCTION_FAILED); 1278 } 1279 1280 ha->loop_id = loop_id; 1281 1282 /* initialize */ 1283 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 1284 ha->operating_mode = LOOP; 1285 1286 switch (topo) { 1287 case 0: 1288 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", 1289 ha->host_no)); 1290 ha->current_topology = ISP_CFG_NL; 1291 strcpy(connect_type, "(Loop)"); 1292 break; 1293 1294 case 1: 1295 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", 1296 ha->host_no)); 1297 ha->current_topology = ISP_CFG_FL; 1298 strcpy(connect_type, "(FL_Port)"); 1299 break; 1300 1301 case 2: 1302 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", 1303 ha->host_no)); 1304 ha->operating_mode = P2P; 1305 ha->current_topology = ISP_CFG_N; 1306 strcpy(connect_type, "(N_Port-to-N_Port)"); 1307 break; 1308 1309 case 3: 1310 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", 1311 ha->host_no)); 1312 ha->operating_mode = P2P; 1313 ha->current_topology = ISP_CFG_F; 1314 strcpy(connect_type, "(F_Port)"); 1315 break; 1316 1317 default: 1318 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " 1319 "Using NL.\n", 1320 ha->host_no, topo)); 1321 ha->current_topology = ISP_CFG_NL; 1322 strcpy(connect_type, "(Loop)"); 1323 break; 1324 } 1325 1326 /* Save Host port and loop ID. */ 1327 /* byte order - Big Endian */ 1328 ha->d_id.b.domain = domain; 1329 ha->d_id.b.area = area; 1330 ha->d_id.b.al_pa = al_pa; 1331 1332 if (!ha->flags.init_done) 1333 qla_printk(KERN_INFO, ha, 1334 "Topology - %s, Host Loop address 0x%x\n", 1335 connect_type, ha->loop_id); 1336 1337 if (rval) { 1338 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); 1339 } else { 1340 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); 1341 } 1342 1343 return(rval); 1344 } 1345 1346 /* 1347 * NVRAM configuration for ISP 2xxx 1348 * 1349 * Input: 1350 * ha = adapter block pointer. 1351 * 1352 * Output: 1353 * initialization control block in response_ring 1354 * host adapters parameters in host adapter block 1355 * 1356 * Returns: 1357 * 0 = success. 1358 */ 1359 int 1360 qla2x00_nvram_config(scsi_qla_host_t *ha) 1361 { 1362 int rval; 1363 uint8_t chksum = 0; 1364 uint16_t cnt; 1365 uint8_t *dptr1, *dptr2; 1366 init_cb_t *icb = ha->init_cb; 1367 nvram_t *nv = (nvram_t *)ha->request_ring; 1368 uint8_t *ptr = (uint8_t *)ha->request_ring; 1369 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1370 1371 rval = QLA_SUCCESS; 1372 1373 /* Determine NVRAM starting address. */ 1374 ha->nvram_size = sizeof(nvram_t); 1375 ha->nvram_base = 0; 1376 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 1377 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) 1378 ha->nvram_base = 0x80; 1379 1380 /* Get NVRAM data and calculate checksum. */ 1381 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size); 1382 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 1383 chksum += *ptr++; 1384 1385 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 1386 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, 1387 ha->nvram_size)); 1388 1389 /* Bad NVRAM data, set defaults parameters. */ 1390 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || 1391 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { 1392 /* Reset NVRAM data. */ 1393 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 1394 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 1395 nv->nvram_version); 1396 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 1397 "invalid -- WWPN) defaults.\n"); 1398 1399 /* 1400 * Set default initialization control block. 1401 */ 1402 memset(nv, 0, ha->nvram_size); 1403 nv->parameter_block_version = ICB_VERSION; 1404 1405 if (IS_QLA23XX(ha)) { 1406 nv->firmware_options[0] = BIT_2 | BIT_1; 1407 nv->firmware_options[1] = BIT_7 | BIT_5; 1408 nv->add_firmware_options[0] = BIT_5; 1409 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1410 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1411 nv->special_options[1] = BIT_7; 1412 } else if (IS_QLA2200(ha)) { 1413 nv->firmware_options[0] = BIT_2 | BIT_1; 1414 nv->firmware_options[1] = BIT_7 | BIT_5; 1415 nv->add_firmware_options[0] = BIT_5; 1416 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1417 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1418 } else if (IS_QLA2100(ha)) { 1419 nv->firmware_options[0] = BIT_3 | BIT_1; 1420 nv->firmware_options[1] = BIT_5; 1421 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1422 } 1423 1424 nv->max_iocb_allocation = __constant_cpu_to_le16(256); 1425 nv->execution_throttle = __constant_cpu_to_le16(16); 1426 nv->retry_count = 8; 1427 nv->retry_delay = 1; 1428 1429 nv->port_name[0] = 33; 1430 nv->port_name[3] = 224; 1431 nv->port_name[4] = 139; 1432 1433 nv->login_timeout = 4; 1434 1435 /* 1436 * Set default host adapter parameters 1437 */ 1438 nv->host_p[1] = BIT_2; 1439 nv->reset_delay = 5; 1440 nv->port_down_retry_count = 8; 1441 nv->max_luns_per_target = __constant_cpu_to_le16(8); 1442 nv->link_down_timeout = 60; 1443 1444 rval = 1; 1445 } 1446 1447 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) 1448 /* 1449 * The SN2 does not provide BIOS emulation which means you can't change 1450 * potentially bogus BIOS settings. Force the use of default settings 1451 * for link rate and frame size. Hope that the rest of the settings 1452 * are valid. 1453 */ 1454 if (ia64_platform_is("sn2")) { 1455 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1456 if (IS_QLA23XX(ha)) 1457 nv->special_options[1] = BIT_7; 1458 } 1459 #endif 1460 1461 /* Reset Initialization control block */ 1462 memset(icb, 0, ha->init_cb_size); 1463 1464 /* 1465 * Setup driver NVRAM options. 1466 */ 1467 nv->firmware_options[0] |= (BIT_6 | BIT_1); 1468 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 1469 nv->firmware_options[1] |= (BIT_5 | BIT_0); 1470 nv->firmware_options[1] &= ~BIT_4; 1471 1472 if (IS_QLA23XX(ha)) { 1473 nv->firmware_options[0] |= BIT_2; 1474 nv->firmware_options[0] &= ~BIT_3; 1475 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 1476 1477 if (IS_QLA2300(ha)) { 1478 if (ha->fb_rev == FPM_2310) { 1479 strcpy(ha->model_number, "QLA2310"); 1480 } else { 1481 strcpy(ha->model_number, "QLA2300"); 1482 } 1483 } else { 1484 if (rval == 0 && 1485 memcmp(nv->model_number, BINZERO, 1486 sizeof(nv->model_number)) != 0) { 1487 char *st, *en; 1488 1489 strncpy(ha->model_number, nv->model_number, 1490 sizeof(nv->model_number)); 1491 st = en = ha->model_number; 1492 en += sizeof(nv->model_number) - 1; 1493 while (en > st) { 1494 if (*en != 0x20 && *en != 0x00) 1495 break; 1496 *en-- = '\0'; 1497 } 1498 } else { 1499 uint16_t index; 1500 1501 index = (ha->pdev->subsystem_device & 0xff); 1502 if (index < QLA_MODEL_NAMES) { 1503 strcpy(ha->model_number, 1504 qla2x00_model_name[index]); 1505 ha->model_desc = 1506 qla2x00_model_desc[index]; 1507 } else { 1508 strcpy(ha->model_number, "QLA23xx"); 1509 } 1510 } 1511 } 1512 } else if (IS_QLA2200(ha)) { 1513 nv->firmware_options[0] |= BIT_2; 1514 /* 1515 * 'Point-to-point preferred, else loop' is not a safe 1516 * connection mode setting. 1517 */ 1518 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 1519 (BIT_5 | BIT_4)) { 1520 /* Force 'loop preferred, else point-to-point'. */ 1521 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 1522 nv->add_firmware_options[0] |= BIT_5; 1523 } 1524 strcpy(ha->model_number, "QLA22xx"); 1525 } else /*if (IS_QLA2100(ha))*/ { 1526 strcpy(ha->model_number, "QLA2100"); 1527 } 1528 1529 /* 1530 * Copy over NVRAM RISC parameter block to initialization control block. 1531 */ 1532 dptr1 = (uint8_t *)icb; 1533 dptr2 = (uint8_t *)&nv->parameter_block_version; 1534 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 1535 while (cnt--) 1536 *dptr1++ = *dptr2++; 1537 1538 /* Copy 2nd half. */ 1539 dptr1 = (uint8_t *)icb->add_firmware_options; 1540 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 1541 while (cnt--) 1542 *dptr1++ = *dptr2++; 1543 1544 /* Prepare nodename */ 1545 if ((icb->firmware_options[1] & BIT_6) == 0) { 1546 /* 1547 * Firmware will apply the following mask if the nodename was 1548 * not provided. 1549 */ 1550 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 1551 icb->node_name[0] &= 0xF0; 1552 } 1553 1554 /* 1555 * Set host adapter parameters. 1556 */ 1557 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 1558 /* Always load RISC code on non ISP2[12]00 chips. */ 1559 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 1560 ha->flags.disable_risc_code_load = 0; 1561 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 1562 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 1563 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 1564 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; 1565 1566 ha->operating_mode = 1567 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 1568 1569 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 1570 sizeof(ha->fw_seriallink_options)); 1571 1572 /* save HBA serial number */ 1573 ha->serial0 = icb->port_name[5]; 1574 ha->serial1 = icb->port_name[6]; 1575 ha->serial2 = icb->port_name[7]; 1576 ha->node_name = icb->node_name; 1577 ha->port_name = icb->port_name; 1578 1579 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 1580 1581 ha->retry_count = nv->retry_count; 1582 1583 /* Set minimum login_timeout to 4 seconds. */ 1584 if (nv->login_timeout < ql2xlogintimeout) 1585 nv->login_timeout = ql2xlogintimeout; 1586 if (nv->login_timeout < 4) 1587 nv->login_timeout = 4; 1588 ha->login_timeout = nv->login_timeout; 1589 icb->login_timeout = nv->login_timeout; 1590 1591 /* Set minimum RATOV to 200 tenths of a second. */ 1592 ha->r_a_tov = 200; 1593 1594 ha->loop_reset_delay = nv->reset_delay; 1595 1596 /* Link Down Timeout = 0: 1597 * 1598 * When Port Down timer expires we will start returning 1599 * I/O's to OS with "DID_NO_CONNECT". 1600 * 1601 * Link Down Timeout != 0: 1602 * 1603 * The driver waits for the link to come up after link down 1604 * before returning I/Os to OS with "DID_NO_CONNECT". 1605 */ 1606 if (nv->link_down_timeout == 0) { 1607 ha->loop_down_abort_time = 1608 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 1609 } else { 1610 ha->link_down_timeout = nv->link_down_timeout; 1611 ha->loop_down_abort_time = 1612 (LOOP_DOWN_TIME - ha->link_down_timeout); 1613 } 1614 1615 /* 1616 * Need enough time to try and get the port back. 1617 */ 1618 ha->port_down_retry_count = nv->port_down_retry_count; 1619 if (qlport_down_retry) 1620 ha->port_down_retry_count = qlport_down_retry; 1621 /* Set login_retry_count */ 1622 ha->login_retry_count = nv->retry_count; 1623 if (ha->port_down_retry_count == nv->port_down_retry_count && 1624 ha->port_down_retry_count > 3) 1625 ha->login_retry_count = ha->port_down_retry_count; 1626 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 1627 ha->login_retry_count = ha->port_down_retry_count; 1628 if (ql2xloginretrycount) 1629 ha->login_retry_count = ql2xloginretrycount; 1630 1631 icb->lun_enables = __constant_cpu_to_le16(0); 1632 icb->command_resource_count = 0; 1633 icb->immediate_notify_resource_count = 0; 1634 icb->timeout = __constant_cpu_to_le16(0); 1635 1636 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 1637 /* Enable RIO */ 1638 icb->firmware_options[0] &= ~BIT_3; 1639 icb->add_firmware_options[0] &= 1640 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1641 icb->add_firmware_options[0] |= BIT_2; 1642 icb->response_accumulation_timer = 3; 1643 icb->interrupt_delay_timer = 5; 1644 1645 ha->flags.process_response_queue = 1; 1646 } else { 1647 /* Enable ZIO. */ 1648 if (!ha->flags.init_done) { 1649 ha->zio_mode = icb->add_firmware_options[0] & 1650 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1651 ha->zio_timer = icb->interrupt_delay_timer ? 1652 icb->interrupt_delay_timer: 2; 1653 } 1654 icb->add_firmware_options[0] &= 1655 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1656 ha->flags.process_response_queue = 0; 1657 if (ha->zio_mode != QLA_ZIO_DISABLED) { 1658 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer " 1659 "delay (%d us).\n", ha->host_no, ha->zio_mode, 1660 ha->zio_timer * 100)); 1661 qla_printk(KERN_INFO, ha, 1662 "ZIO mode %d enabled; timer delay (%d us).\n", 1663 ha->zio_mode, ha->zio_timer * 100); 1664 1665 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; 1666 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; 1667 ha->flags.process_response_queue = 1; 1668 } 1669 } 1670 1671 if (rval) { 1672 DEBUG2_3(printk(KERN_WARNING 1673 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 1674 } 1675 return (rval); 1676 } 1677 1678 static void 1679 qla2x00_rport_add(void *data) 1680 { 1681 fc_port_t *fcport = data; 1682 1683 qla2x00_reg_remote_port(fcport->ha, fcport); 1684 } 1685 1686 static void 1687 qla2x00_rport_del(void *data) 1688 { 1689 fc_port_t *fcport = data; 1690 1691 if (fcport->rport) 1692 fc_remote_port_delete(fcport->rport); 1693 fcport->rport = NULL; 1694 } 1695 1696 /** 1697 * qla2x00_alloc_fcport() - Allocate a generic fcport. 1698 * @ha: HA context 1699 * @flags: allocation flags 1700 * 1701 * Returns a pointer to the allocated fcport, or NULL, if none available. 1702 */ 1703 fc_port_t * 1704 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags) 1705 { 1706 fc_port_t *fcport; 1707 1708 fcport = kmalloc(sizeof(fc_port_t), flags); 1709 if (fcport == NULL) 1710 return (fcport); 1711 1712 /* Setup fcport template structure. */ 1713 memset(fcport, 0, sizeof (fc_port_t)); 1714 fcport->ha = ha; 1715 fcport->port_type = FCT_UNKNOWN; 1716 fcport->loop_id = FC_NO_LOOP_ID; 1717 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX; 1718 atomic_set(&fcport->state, FCS_UNCONFIGURED); 1719 fcport->flags = FCF_RLC_SUPPORT; 1720 fcport->supported_classes = FC_COS_UNSPECIFIED; 1721 INIT_WORK(&fcport->rport_add_work, qla2x00_rport_add, fcport); 1722 INIT_WORK(&fcport->rport_del_work, qla2x00_rport_del, fcport); 1723 1724 return (fcport); 1725 } 1726 1727 /* 1728 * qla2x00_configure_loop 1729 * Updates Fibre Channel Device Database with what is actually on loop. 1730 * 1731 * Input: 1732 * ha = adapter block pointer. 1733 * 1734 * Returns: 1735 * 0 = success. 1736 * 1 = error. 1737 * 2 = database was full and device was not configured. 1738 */ 1739 static int 1740 qla2x00_configure_loop(scsi_qla_host_t *ha) 1741 { 1742 int rval; 1743 unsigned long flags, save_flags; 1744 1745 rval = QLA_SUCCESS; 1746 1747 /* Get Initiator ID */ 1748 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { 1749 rval = qla2x00_configure_hba(ha); 1750 if (rval != QLA_SUCCESS) { 1751 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", 1752 ha->host_no)); 1753 return (rval); 1754 } 1755 } 1756 1757 save_flags = flags = ha->dpc_flags; 1758 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", 1759 ha->host_no, flags)); 1760 1761 /* 1762 * If we have both an RSCN and PORT UPDATE pending then handle them 1763 * both at the same time. 1764 */ 1765 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1766 clear_bit(RSCN_UPDATE, &ha->dpc_flags); 1767 1768 /* Determine what we need to do */ 1769 if (ha->current_topology == ISP_CFG_FL && 1770 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1771 1772 ha->flags.rscn_queue_overflow = 1; 1773 set_bit(RSCN_UPDATE, &flags); 1774 1775 } else if (ha->current_topology == ISP_CFG_F && 1776 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1777 1778 ha->flags.rscn_queue_overflow = 1; 1779 set_bit(RSCN_UPDATE, &flags); 1780 clear_bit(LOCAL_LOOP_UPDATE, &flags); 1781 1782 } else if (!ha->flags.online || 1783 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 1784 1785 ha->flags.rscn_queue_overflow = 1; 1786 set_bit(RSCN_UPDATE, &flags); 1787 set_bit(LOCAL_LOOP_UPDATE, &flags); 1788 } 1789 1790 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 1791 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1792 rval = QLA_FUNCTION_FAILED; 1793 } else { 1794 rval = qla2x00_configure_local_loop(ha); 1795 } 1796 } 1797 1798 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 1799 if (LOOP_TRANSITION(ha)) { 1800 rval = QLA_FUNCTION_FAILED; 1801 } else { 1802 rval = qla2x00_configure_fabric(ha); 1803 } 1804 } 1805 1806 if (rval == QLA_SUCCESS) { 1807 if (atomic_read(&ha->loop_down_timer) || 1808 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1809 rval = QLA_FUNCTION_FAILED; 1810 } else { 1811 atomic_set(&ha->loop_state, LOOP_READY); 1812 1813 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); 1814 } 1815 } 1816 1817 if (rval) { 1818 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", 1819 __func__, ha->host_no)); 1820 } else { 1821 DEBUG3(printk("%s: exiting normally\n", __func__)); 1822 } 1823 1824 /* Restore state if a resync event occured during processing */ 1825 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1826 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 1827 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1828 if (test_bit(RSCN_UPDATE, &save_flags)) 1829 set_bit(RSCN_UPDATE, &ha->dpc_flags); 1830 } 1831 1832 return (rval); 1833 } 1834 1835 1836 1837 /* 1838 * qla2x00_configure_local_loop 1839 * Updates Fibre Channel Device Database with local loop devices. 1840 * 1841 * Input: 1842 * ha = adapter block pointer. 1843 * 1844 * Returns: 1845 * 0 = success. 1846 */ 1847 static int 1848 qla2x00_configure_local_loop(scsi_qla_host_t *ha) 1849 { 1850 int rval, rval2; 1851 int found_devs; 1852 int found; 1853 fc_port_t *fcport, *new_fcport; 1854 1855 uint16_t index; 1856 uint16_t entries; 1857 char *id_iter; 1858 uint16_t loop_id; 1859 uint8_t domain, area, al_pa; 1860 1861 found_devs = 0; 1862 new_fcport = NULL; 1863 entries = MAX_FIBRE_DEVICES; 1864 1865 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); 1866 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); 1867 1868 /* Get list of logged in devices. */ 1869 memset(ha->gid_list, 0, GID_LIST_SIZE); 1870 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, 1871 &entries); 1872 if (rval != QLA_SUCCESS) 1873 goto cleanup_allocation; 1874 1875 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", 1876 ha->host_no, entries)); 1877 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, 1878 entries * sizeof(struct gid_list_info))); 1879 1880 /* Allocate temporary fcport for any new fcports discovered. */ 1881 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 1882 if (new_fcport == NULL) { 1883 rval = QLA_MEMORY_ALLOC_FAILED; 1884 goto cleanup_allocation; 1885 } 1886 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 1887 1888 /* 1889 * Mark local devices that were present with FCF_DEVICE_LOST for now. 1890 */ 1891 list_for_each_entry(fcport, &ha->fcports, list) { 1892 if (atomic_read(&fcport->state) == FCS_ONLINE && 1893 fcport->port_type != FCT_BROADCAST && 1894 (fcport->flags & FCF_FABRIC_DEVICE) == 0) { 1895 1896 DEBUG(printk("scsi(%ld): Marking port lost, " 1897 "loop_id=0x%04x\n", 1898 ha->host_no, fcport->loop_id)); 1899 1900 atomic_set(&fcport->state, FCS_DEVICE_LOST); 1901 fcport->flags &= ~FCF_FARP_DONE; 1902 } 1903 } 1904 1905 /* Add devices to port list. */ 1906 id_iter = (char *)ha->gid_list; 1907 for (index = 0; index < entries; index++) { 1908 domain = ((struct gid_list_info *)id_iter)->domain; 1909 area = ((struct gid_list_info *)id_iter)->area; 1910 al_pa = ((struct gid_list_info *)id_iter)->al_pa; 1911 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1912 loop_id = (uint16_t) 1913 ((struct gid_list_info *)id_iter)->loop_id_2100; 1914 else 1915 loop_id = le16_to_cpu( 1916 ((struct gid_list_info *)id_iter)->loop_id); 1917 id_iter += ha->gid_list_info_size; 1918 1919 /* Bypass reserved domain fields. */ 1920 if ((domain & 0xf0) == 0xf0) 1921 continue; 1922 1923 /* Bypass if not same domain and area of adapter. */ 1924 if (area && domain && 1925 (area != ha->d_id.b.area || domain != ha->d_id.b.domain)) 1926 continue; 1927 1928 /* Bypass invalid local loop ID. */ 1929 if (loop_id > LAST_LOCAL_LOOP_ID) 1930 continue; 1931 1932 /* Fill in member data. */ 1933 new_fcport->d_id.b.domain = domain; 1934 new_fcport->d_id.b.area = area; 1935 new_fcport->d_id.b.al_pa = al_pa; 1936 new_fcport->loop_id = loop_id; 1937 rval2 = qla2x00_get_port_database(ha, new_fcport, 0); 1938 if (rval2 != QLA_SUCCESS) { 1939 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " 1940 "information -- get_port_database=%x, " 1941 "loop_id=0x%04x\n", 1942 ha->host_no, rval2, new_fcport->loop_id)); 1943 continue; 1944 } 1945 1946 /* Check for matching device in port list. */ 1947 found = 0; 1948 fcport = NULL; 1949 list_for_each_entry(fcport, &ha->fcports, list) { 1950 if (memcmp(new_fcport->port_name, fcport->port_name, 1951 WWN_SIZE)) 1952 continue; 1953 1954 fcport->flags &= ~(FCF_FABRIC_DEVICE | 1955 FCF_PERSISTENT_BOUND); 1956 fcport->loop_id = new_fcport->loop_id; 1957 fcport->port_type = new_fcport->port_type; 1958 fcport->d_id.b24 = new_fcport->d_id.b24; 1959 memcpy(fcport->node_name, new_fcport->node_name, 1960 WWN_SIZE); 1961 1962 found++; 1963 break; 1964 } 1965 1966 if (!found) { 1967 /* New device, add to fcports list. */ 1968 new_fcport->flags &= ~FCF_PERSISTENT_BOUND; 1969 list_add_tail(&new_fcport->list, &ha->fcports); 1970 1971 /* Allocate a new replacement fcport. */ 1972 fcport = new_fcport; 1973 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 1974 if (new_fcport == NULL) { 1975 rval = QLA_MEMORY_ALLOC_FAILED; 1976 goto cleanup_allocation; 1977 } 1978 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 1979 } 1980 1981 qla2x00_update_fcport(ha, fcport); 1982 1983 found_devs++; 1984 } 1985 1986 cleanup_allocation: 1987 kfree(new_fcport); 1988 1989 if (rval != QLA_SUCCESS) { 1990 DEBUG2(printk("scsi(%ld): Configure local loop error exit: " 1991 "rval=%x\n", ha->host_no, rval)); 1992 } 1993 1994 if (found_devs) { 1995 ha->device_flags |= DFLG_LOCAL_DEVICES; 1996 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; 1997 } 1998 1999 return (rval); 2000 } 2001 2002 static void 2003 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) 2004 { 2005 fc_port_t *fcport; 2006 2007 qla2x00_mark_all_devices_lost(ha); 2008 list_for_each_entry(fcport, &ha->fcports, list) { 2009 if (fcport->port_type != FCT_TARGET) 2010 continue; 2011 2012 qla2x00_update_fcport(ha, fcport); 2013 } 2014 } 2015 2016 /* 2017 * qla2x00_update_fcport 2018 * Updates device on list. 2019 * 2020 * Input: 2021 * ha = adapter block pointer. 2022 * fcport = port structure pointer. 2023 * 2024 * Return: 2025 * 0 - Success 2026 * BIT_0 - error 2027 * 2028 * Context: 2029 * Kernel context. 2030 */ 2031 static void 2032 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2033 { 2034 uint16_t index; 2035 unsigned long flags; 2036 srb_t *sp; 2037 2038 fcport->ha = ha; 2039 fcport->login_retry = 0; 2040 fcport->port_login_retry_count = ha->port_down_retry_count * 2041 PORT_RETRY_TIME; 2042 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count * 2043 PORT_RETRY_TIME); 2044 fcport->flags &= ~FCF_LOGIN_NEEDED; 2045 2046 /* 2047 * Check for outstanding cmd on tape Bypass LUN discovery if active 2048 * command on tape. 2049 */ 2050 if (fcport->flags & FCF_TAPE_PRESENT) { 2051 spin_lock_irqsave(&ha->hardware_lock, flags); 2052 for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { 2053 fc_port_t *sfcp; 2054 2055 if ((sp = ha->outstanding_cmds[index]) != 0) { 2056 sfcp = sp->fcport; 2057 if (sfcp == fcport) { 2058 atomic_set(&fcport->state, FCS_ONLINE); 2059 spin_unlock_irqrestore( 2060 &ha->hardware_lock, flags); 2061 return; 2062 } 2063 } 2064 } 2065 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2066 } 2067 2068 if (fcport->port_type == FCT_INITIATOR || 2069 fcport->port_type == FCT_BROADCAST) 2070 fcport->device_type = TYPE_PROCESSOR; 2071 2072 atomic_set(&fcport->state, FCS_ONLINE); 2073 2074 if (ha->flags.init_done) 2075 qla2x00_reg_remote_port(ha, fcport); 2076 } 2077 2078 void 2079 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 2080 { 2081 struct fc_rport_identifiers rport_ids; 2082 struct fc_rport *rport; 2083 2084 if (fcport->rport) { 2085 fc_remote_port_delete(fcport->rport); 2086 fcport->rport = NULL; 2087 } 2088 2089 rport_ids.node_name = wwn_to_u64(fcport->node_name); 2090 rport_ids.port_name = wwn_to_u64(fcport->port_name); 2091 rport_ids.port_id = fcport->d_id.b.domain << 16 | 2092 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 2093 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2094 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids); 2095 if (!rport) { 2096 qla_printk(KERN_WARNING, ha, 2097 "Unable to allocate fc remote port!\n"); 2098 return; 2099 } 2100 *((fc_port_t **)rport->dd_data) = fcport; 2101 rport->supported_classes = fcport->supported_classes; 2102 2103 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2104 if (fcport->port_type == FCT_INITIATOR) 2105 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; 2106 if (fcport->port_type == FCT_TARGET) 2107 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 2108 fc_remote_port_rolechg(rport, rport_ids.roles); 2109 2110 if (rport->scsi_target_id != -1 && 2111 rport->scsi_target_id < ha->host->max_id) 2112 fcport->os_target_id = rport->scsi_target_id; 2113 } 2114 2115 /* 2116 * qla2x00_configure_fabric 2117 * Setup SNS devices with loop ID's. 2118 * 2119 * Input: 2120 * ha = adapter block pointer. 2121 * 2122 * Returns: 2123 * 0 = success. 2124 * BIT_0 = error 2125 */ 2126 static int 2127 qla2x00_configure_fabric(scsi_qla_host_t *ha) 2128 { 2129 int rval, rval2; 2130 fc_port_t *fcport, *fcptemp; 2131 uint16_t next_loopid; 2132 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2133 uint16_t loop_id; 2134 LIST_HEAD(new_fcports); 2135 2136 /* If FL port exists, then SNS is present */ 2137 if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) 2138 loop_id = NPH_F_PORT; 2139 else 2140 loop_id = SNS_FL_PORT; 2141 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0); 2142 if (rval != QLA_SUCCESS) { 2143 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " 2144 "Port\n", ha->host_no)); 2145 2146 ha->device_flags &= ~SWITCH_FOUND; 2147 return (QLA_SUCCESS); 2148 } 2149 2150 /* Mark devices that need re-synchronization. */ 2151 rval2 = qla2x00_device_resync(ha); 2152 if (rval2 == QLA_RSCNS_HANDLED) { 2153 /* No point doing the scan, just continue. */ 2154 return (QLA_SUCCESS); 2155 } 2156 do { 2157 /* FDMI support. */ 2158 if (ql2xfdmienable && 2159 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags)) 2160 qla2x00_fdmi_register(ha); 2161 2162 /* Ensure we are logged into the SNS. */ 2163 if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) 2164 loop_id = NPH_SNS; 2165 else 2166 loop_id = SIMPLE_NAME_SERVER; 2167 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff, 2168 0xfc, mb, BIT_1 | BIT_0); 2169 if (mb[0] != MBS_COMMAND_COMPLETE) { 2170 DEBUG2(qla_printk(KERN_INFO, ha, 2171 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 2172 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, 2173 mb[0], mb[1], mb[2], mb[6], mb[7])); 2174 return (QLA_SUCCESS); 2175 } 2176 2177 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { 2178 if (qla2x00_rft_id(ha)) { 2179 /* EMPTY */ 2180 DEBUG2(printk("scsi(%ld): Register FC-4 " 2181 "TYPE failed.\n", ha->host_no)); 2182 } 2183 if (qla2x00_rff_id(ha)) { 2184 /* EMPTY */ 2185 DEBUG2(printk("scsi(%ld): Register FC-4 " 2186 "Features failed.\n", ha->host_no)); 2187 } 2188 if (qla2x00_rnn_id(ha)) { 2189 /* EMPTY */ 2190 DEBUG2(printk("scsi(%ld): Register Node Name " 2191 "failed.\n", ha->host_no)); 2192 } else if (qla2x00_rsnn_nn(ha)) { 2193 /* EMPTY */ 2194 DEBUG2(printk("scsi(%ld): Register Symbolic " 2195 "Node Name failed.\n", ha->host_no)); 2196 } 2197 } 2198 2199 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); 2200 if (rval != QLA_SUCCESS) 2201 break; 2202 2203 /* 2204 * Logout all previous fabric devices marked lost, except 2205 * tape devices. 2206 */ 2207 list_for_each_entry(fcport, &ha->fcports, list) { 2208 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2209 break; 2210 2211 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 2212 continue; 2213 2214 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 2215 qla2x00_mark_device_lost(ha, fcport, 2216 ql2xplogiabsentdevice); 2217 if (fcport->loop_id != FC_NO_LOOP_ID && 2218 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2219 fcport->port_type != FCT_INITIATOR && 2220 fcport->port_type != FCT_BROADCAST) { 2221 2222 ha->isp_ops.fabric_logout(ha, 2223 fcport->loop_id, 2224 fcport->d_id.b.domain, 2225 fcport->d_id.b.area, 2226 fcport->d_id.b.al_pa); 2227 fcport->loop_id = FC_NO_LOOP_ID; 2228 } 2229 } 2230 } 2231 2232 /* Starting free loop ID. */ 2233 next_loopid = ha->min_external_loopid; 2234 2235 /* 2236 * Scan through our port list and login entries that need to be 2237 * logged in. 2238 */ 2239 list_for_each_entry(fcport, &ha->fcports, list) { 2240 if (atomic_read(&ha->loop_down_timer) || 2241 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2242 break; 2243 2244 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2245 (fcport->flags & FCF_LOGIN_NEEDED) == 0) 2246 continue; 2247 2248 if (fcport->loop_id == FC_NO_LOOP_ID) { 2249 fcport->loop_id = next_loopid; 2250 rval = qla2x00_find_new_loop_id(ha, fcport); 2251 if (rval != QLA_SUCCESS) { 2252 /* Ran out of IDs to use */ 2253 break; 2254 } 2255 } 2256 /* Login and update database */ 2257 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2258 } 2259 2260 /* Exit if out of loop IDs. */ 2261 if (rval != QLA_SUCCESS) { 2262 break; 2263 } 2264 2265 /* 2266 * Login and add the new devices to our port list. 2267 */ 2268 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2269 if (atomic_read(&ha->loop_down_timer) || 2270 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2271 break; 2272 2273 /* Find a new loop ID to use. */ 2274 fcport->loop_id = next_loopid; 2275 rval = qla2x00_find_new_loop_id(ha, fcport); 2276 if (rval != QLA_SUCCESS) { 2277 /* Ran out of IDs to use */ 2278 break; 2279 } 2280 2281 /* Remove device from the new list and add it to DB */ 2282 list_del(&fcport->list); 2283 list_add_tail(&fcport->list, &ha->fcports); 2284 2285 /* Login and update database */ 2286 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2287 } 2288 } while (0); 2289 2290 /* Free all new device structures not processed. */ 2291 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2292 list_del(&fcport->list); 2293 kfree(fcport); 2294 } 2295 2296 if (rval) { 2297 DEBUG2(printk("scsi(%ld): Configure fabric error exit: " 2298 "rval=%d\n", ha->host_no, rval)); 2299 } 2300 2301 return (rval); 2302 } 2303 2304 2305 /* 2306 * qla2x00_find_all_fabric_devs 2307 * 2308 * Input: 2309 * ha = adapter block pointer. 2310 * dev = database device entry pointer. 2311 * 2312 * Returns: 2313 * 0 = success. 2314 * 2315 * Context: 2316 * Kernel context. 2317 */ 2318 static int 2319 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) 2320 { 2321 int rval; 2322 uint16_t loop_id; 2323 fc_port_t *fcport, *new_fcport, *fcptemp; 2324 int found; 2325 2326 sw_info_t *swl; 2327 int swl_idx; 2328 int first_dev, last_dev; 2329 port_id_t wrap, nxt_d_id; 2330 2331 rval = QLA_SUCCESS; 2332 2333 /* Try GID_PT to get device list, else GAN. */ 2334 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC); 2335 if (swl == NULL) { 2336 /*EMPTY*/ 2337 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2338 "on GA_NXT\n", ha->host_no)); 2339 } else { 2340 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES); 2341 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { 2342 kfree(swl); 2343 swl = NULL; 2344 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { 2345 kfree(swl); 2346 swl = NULL; 2347 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { 2348 kfree(swl); 2349 swl = NULL; 2350 } 2351 } 2352 swl_idx = 0; 2353 2354 /* Allocate temporary fcport for any new fcports discovered. */ 2355 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2356 if (new_fcport == NULL) { 2357 kfree(swl); 2358 return (QLA_MEMORY_ALLOC_FAILED); 2359 } 2360 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2361 2362 /* Set start port ID scan at adapter ID. */ 2363 first_dev = 1; 2364 last_dev = 0; 2365 2366 /* Starting free loop ID. */ 2367 loop_id = ha->min_external_loopid; 2368 for (; loop_id <= ha->last_loop_id; loop_id++) { 2369 if (qla2x00_is_reserved_id(ha, loop_id)) 2370 continue; 2371 2372 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) 2373 break; 2374 2375 if (swl != NULL) { 2376 if (last_dev) { 2377 wrap.b24 = new_fcport->d_id.b24; 2378 } else { 2379 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 2380 memcpy(new_fcport->node_name, 2381 swl[swl_idx].node_name, WWN_SIZE); 2382 memcpy(new_fcport->port_name, 2383 swl[swl_idx].port_name, WWN_SIZE); 2384 2385 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 2386 last_dev = 1; 2387 } 2388 swl_idx++; 2389 } 2390 } else { 2391 /* Send GA_NXT to the switch */ 2392 rval = qla2x00_ga_nxt(ha, new_fcport); 2393 if (rval != QLA_SUCCESS) { 2394 qla_printk(KERN_WARNING, ha, 2395 "SNS scan failed -- assuming zero-entry " 2396 "result...\n"); 2397 list_for_each_entry_safe(fcport, fcptemp, 2398 new_fcports, list) { 2399 list_del(&fcport->list); 2400 kfree(fcport); 2401 } 2402 rval = QLA_SUCCESS; 2403 break; 2404 } 2405 } 2406 2407 /* If wrap on switch device list, exit. */ 2408 if (first_dev) { 2409 wrap.b24 = new_fcport->d_id.b24; 2410 first_dev = 0; 2411 } else if (new_fcport->d_id.b24 == wrap.b24) { 2412 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", 2413 ha->host_no, new_fcport->d_id.b.domain, 2414 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); 2415 break; 2416 } 2417 2418 /* Bypass if host adapter. */ 2419 if (new_fcport->d_id.b24 == ha->d_id.b24) 2420 continue; 2421 2422 /* Bypass if same domain and area of adapter. */ 2423 if (((new_fcport->d_id.b24 & 0xffff00) == 2424 (ha->d_id.b24 & 0xffff00)) && ha->current_topology == 2425 ISP_CFG_FL) 2426 continue; 2427 2428 /* Bypass reserved domain fields. */ 2429 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 2430 continue; 2431 2432 /* Locate matching device in database. */ 2433 found = 0; 2434 list_for_each_entry(fcport, &ha->fcports, list) { 2435 if (memcmp(new_fcport->port_name, fcport->port_name, 2436 WWN_SIZE)) 2437 continue; 2438 2439 found++; 2440 2441 /* 2442 * If address the same and state FCS_ONLINE, nothing 2443 * changed. 2444 */ 2445 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 2446 atomic_read(&fcport->state) == FCS_ONLINE) { 2447 break; 2448 } 2449 2450 /* 2451 * If device was not a fabric device before. 2452 */ 2453 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2454 fcport->d_id.b24 = new_fcport->d_id.b24; 2455 fcport->loop_id = FC_NO_LOOP_ID; 2456 fcport->flags |= (FCF_FABRIC_DEVICE | 2457 FCF_LOGIN_NEEDED); 2458 fcport->flags &= ~FCF_PERSISTENT_BOUND; 2459 break; 2460 } 2461 2462 /* 2463 * Port ID changed or device was marked to be updated; 2464 * Log it out if still logged in and mark it for 2465 * relogin later. 2466 */ 2467 fcport->d_id.b24 = new_fcport->d_id.b24; 2468 fcport->flags |= FCF_LOGIN_NEEDED; 2469 if (fcport->loop_id != FC_NO_LOOP_ID && 2470 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2471 fcport->port_type != FCT_INITIATOR && 2472 fcport->port_type != FCT_BROADCAST) { 2473 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2474 fcport->d_id.b.domain, fcport->d_id.b.area, 2475 fcport->d_id.b.al_pa); 2476 fcport->loop_id = FC_NO_LOOP_ID; 2477 } 2478 2479 break; 2480 } 2481 2482 if (found) 2483 continue; 2484 2485 /* If device was not in our fcports list, then add it. */ 2486 list_add_tail(&new_fcport->list, new_fcports); 2487 2488 /* Allocate a new replacement fcport. */ 2489 nxt_d_id.b24 = new_fcport->d_id.b24; 2490 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2491 if (new_fcport == NULL) { 2492 kfree(swl); 2493 return (QLA_MEMORY_ALLOC_FAILED); 2494 } 2495 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2496 new_fcport->d_id.b24 = nxt_d_id.b24; 2497 } 2498 2499 kfree(swl); 2500 kfree(new_fcport); 2501 2502 if (!list_empty(new_fcports)) 2503 ha->device_flags |= DFLG_FABRIC_DEVICES; 2504 2505 return (rval); 2506 } 2507 2508 /* 2509 * qla2x00_find_new_loop_id 2510 * Scan through our port list and find a new usable loop ID. 2511 * 2512 * Input: 2513 * ha: adapter state pointer. 2514 * dev: port structure pointer. 2515 * 2516 * Returns: 2517 * qla2x00 local function return status code. 2518 * 2519 * Context: 2520 * Kernel context. 2521 */ 2522 int 2523 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) 2524 { 2525 int rval; 2526 int found; 2527 fc_port_t *fcport; 2528 uint16_t first_loop_id; 2529 2530 rval = QLA_SUCCESS; 2531 2532 /* Save starting loop ID. */ 2533 first_loop_id = dev->loop_id; 2534 2535 for (;;) { 2536 /* Skip loop ID if already used by adapter. */ 2537 if (dev->loop_id == ha->loop_id) { 2538 dev->loop_id++; 2539 } 2540 2541 /* Skip reserved loop IDs. */ 2542 while (qla2x00_is_reserved_id(ha, dev->loop_id)) { 2543 dev->loop_id++; 2544 } 2545 2546 /* Reset loop ID if passed the end. */ 2547 if (dev->loop_id > ha->last_loop_id) { 2548 /* first loop ID. */ 2549 dev->loop_id = ha->min_external_loopid; 2550 } 2551 2552 /* Check for loop ID being already in use. */ 2553 found = 0; 2554 fcport = NULL; 2555 list_for_each_entry(fcport, &ha->fcports, list) { 2556 if (fcport->loop_id == dev->loop_id && fcport != dev) { 2557 /* ID possibly in use */ 2558 found++; 2559 break; 2560 } 2561 } 2562 2563 /* If not in use then it is free to use. */ 2564 if (!found) { 2565 break; 2566 } 2567 2568 /* ID in use. Try next value. */ 2569 dev->loop_id++; 2570 2571 /* If wrap around. No free ID to use. */ 2572 if (dev->loop_id == first_loop_id) { 2573 dev->loop_id = FC_NO_LOOP_ID; 2574 rval = QLA_FUNCTION_FAILED; 2575 break; 2576 } 2577 } 2578 2579 return (rval); 2580 } 2581 2582 /* 2583 * qla2x00_device_resync 2584 * Marks devices in the database that needs resynchronization. 2585 * 2586 * Input: 2587 * ha = adapter block pointer. 2588 * 2589 * Context: 2590 * Kernel context. 2591 */ 2592 static int 2593 qla2x00_device_resync(scsi_qla_host_t *ha) 2594 { 2595 int rval; 2596 int rval2; 2597 uint32_t mask; 2598 fc_port_t *fcport; 2599 uint32_t rscn_entry; 2600 uint8_t rscn_out_iter; 2601 uint8_t format; 2602 port_id_t d_id; 2603 2604 rval = QLA_RSCNS_HANDLED; 2605 2606 while (ha->rscn_out_ptr != ha->rscn_in_ptr || 2607 ha->flags.rscn_queue_overflow) { 2608 2609 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; 2610 format = MSB(MSW(rscn_entry)); 2611 d_id.b.domain = LSB(MSW(rscn_entry)); 2612 d_id.b.area = MSB(LSW(rscn_entry)); 2613 d_id.b.al_pa = LSB(LSW(rscn_entry)); 2614 2615 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " 2616 "[%02x/%02x%02x%02x].\n", 2617 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, 2618 d_id.b.area, d_id.b.al_pa)); 2619 2620 ha->rscn_out_ptr++; 2621 if (ha->rscn_out_ptr == MAX_RSCN_COUNT) 2622 ha->rscn_out_ptr = 0; 2623 2624 /* Skip duplicate entries. */ 2625 for (rscn_out_iter = ha->rscn_out_ptr; 2626 !ha->flags.rscn_queue_overflow && 2627 rscn_out_iter != ha->rscn_in_ptr; 2628 rscn_out_iter = (rscn_out_iter == 2629 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { 2630 2631 if (rscn_entry != ha->rscn_queue[rscn_out_iter]) 2632 break; 2633 2634 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " 2635 "entry found at [%d].\n", ha->host_no, 2636 rscn_out_iter)); 2637 2638 ha->rscn_out_ptr = rscn_out_iter; 2639 } 2640 2641 /* Queue overflow, set switch default case. */ 2642 if (ha->flags.rscn_queue_overflow) { 2643 DEBUG(printk("scsi(%ld): device_resync: rscn " 2644 "overflow.\n", ha->host_no)); 2645 2646 format = 3; 2647 ha->flags.rscn_queue_overflow = 0; 2648 } 2649 2650 switch (format) { 2651 case 0: 2652 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && 2653 !IS_QLA6312(ha) && !IS_QLA6322(ha) && 2654 !IS_QLA24XX(ha) && !IS_QLA25XX(ha) && 2655 ha->flags.init_done) { 2656 /* Handle port RSCN via asyncronous IOCBs */ 2657 rval2 = qla2x00_handle_port_rscn(ha, rscn_entry, 2658 NULL, 0); 2659 if (rval2 == QLA_SUCCESS) 2660 continue; 2661 } 2662 mask = 0xffffff; 2663 break; 2664 case 1: 2665 mask = 0xffff00; 2666 break; 2667 case 2: 2668 mask = 0xff0000; 2669 break; 2670 default: 2671 mask = 0x0; 2672 d_id.b24 = 0; 2673 ha->rscn_out_ptr = ha->rscn_in_ptr; 2674 break; 2675 } 2676 2677 rval = QLA_SUCCESS; 2678 2679 /* Abort any outstanding IO descriptors. */ 2680 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 2681 qla2x00_cancel_io_descriptors(ha); 2682 2683 list_for_each_entry(fcport, &ha->fcports, list) { 2684 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2685 (fcport->d_id.b24 & mask) != d_id.b24 || 2686 fcport->port_type == FCT_BROADCAST) 2687 continue; 2688 2689 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2690 if (format != 3 || 2691 fcport->port_type != FCT_INITIATOR) { 2692 qla2x00_mark_device_lost(ha, fcport, 0); 2693 } 2694 } 2695 fcport->flags &= ~FCF_FARP_DONE; 2696 } 2697 } 2698 return (rval); 2699 } 2700 2701 /* 2702 * qla2x00_fabric_dev_login 2703 * Login fabric target device and update FC port database. 2704 * 2705 * Input: 2706 * ha: adapter state pointer. 2707 * fcport: port structure list pointer. 2708 * next_loopid: contains value of a new loop ID that can be used 2709 * by the next login attempt. 2710 * 2711 * Returns: 2712 * qla2x00 local function return status code. 2713 * 2714 * Context: 2715 * Kernel context. 2716 */ 2717 static int 2718 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2719 uint16_t *next_loopid) 2720 { 2721 int rval; 2722 int retry; 2723 uint8_t opts; 2724 2725 rval = QLA_SUCCESS; 2726 retry = 0; 2727 2728 rval = qla2x00_fabric_login(ha, fcport, next_loopid); 2729 if (rval == QLA_SUCCESS) { 2730 /* Send an ADISC to tape devices.*/ 2731 opts = 0; 2732 if (fcport->flags & FCF_TAPE_PRESENT) 2733 opts |= BIT_1; 2734 rval = qla2x00_get_port_database(ha, fcport, opts); 2735 if (rval != QLA_SUCCESS) { 2736 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2737 fcport->d_id.b.domain, fcport->d_id.b.area, 2738 fcport->d_id.b.al_pa); 2739 qla2x00_mark_device_lost(ha, fcport, 1); 2740 2741 } else { 2742 qla2x00_update_fcport(ha, fcport); 2743 } 2744 } 2745 2746 return (rval); 2747 } 2748 2749 /* 2750 * qla2x00_fabric_login 2751 * Issue fabric login command. 2752 * 2753 * Input: 2754 * ha = adapter block pointer. 2755 * device = pointer to FC device type structure. 2756 * 2757 * Returns: 2758 * 0 - Login successfully 2759 * 1 - Login failed 2760 * 2 - Initiator device 2761 * 3 - Fatal error 2762 */ 2763 int 2764 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2765 uint16_t *next_loopid) 2766 { 2767 int rval; 2768 int retry; 2769 uint16_t tmp_loopid; 2770 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2771 2772 retry = 0; 2773 tmp_loopid = 0; 2774 2775 for (;;) { 2776 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " 2777 "for port %02x%02x%02x.\n", 2778 ha->host_no, fcport->loop_id, fcport->d_id.b.domain, 2779 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2780 2781 /* Login fcport on switch. */ 2782 ha->isp_ops.fabric_login(ha, fcport->loop_id, 2783 fcport->d_id.b.domain, fcport->d_id.b.area, 2784 fcport->d_id.b.al_pa, mb, BIT_0); 2785 if (mb[0] == MBS_PORT_ID_USED) { 2786 /* 2787 * Device has another loop ID. The firmware team 2788 * recommends the driver perform an implicit login with 2789 * the specified ID again. The ID we just used is save 2790 * here so we return with an ID that can be tried by 2791 * the next login. 2792 */ 2793 retry++; 2794 tmp_loopid = fcport->loop_id; 2795 fcport->loop_id = mb[1]; 2796 2797 DEBUG(printk("Fabric Login: port in use - next " 2798 "loop id=0x%04x, port Id=%02x%02x%02x.\n", 2799 fcport->loop_id, fcport->d_id.b.domain, 2800 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2801 2802 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 2803 /* 2804 * Login succeeded. 2805 */ 2806 if (retry) { 2807 /* A retry occurred before. */ 2808 *next_loopid = tmp_loopid; 2809 } else { 2810 /* 2811 * No retry occurred before. Just increment the 2812 * ID value for next login. 2813 */ 2814 *next_loopid = (fcport->loop_id + 1); 2815 } 2816 2817 if (mb[1] & BIT_0) { 2818 fcport->port_type = FCT_INITIATOR; 2819 } else { 2820 fcport->port_type = FCT_TARGET; 2821 if (mb[1] & BIT_1) { 2822 fcport->flags |= FCF_TAPE_PRESENT; 2823 } 2824 } 2825 2826 if (mb[10] & BIT_0) 2827 fcport->supported_classes |= FC_COS_CLASS2; 2828 if (mb[10] & BIT_1) 2829 fcport->supported_classes |= FC_COS_CLASS3; 2830 2831 rval = QLA_SUCCESS; 2832 break; 2833 } else if (mb[0] == MBS_LOOP_ID_USED) { 2834 /* 2835 * Loop ID already used, try next loop ID. 2836 */ 2837 fcport->loop_id++; 2838 rval = qla2x00_find_new_loop_id(ha, fcport); 2839 if (rval != QLA_SUCCESS) { 2840 /* Ran out of loop IDs to use */ 2841 break; 2842 } 2843 } else if (mb[0] == MBS_COMMAND_ERROR) { 2844 /* 2845 * Firmware possibly timed out during login. If NO 2846 * retries are left to do then the device is declared 2847 * dead. 2848 */ 2849 *next_loopid = fcport->loop_id; 2850 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2851 fcport->d_id.b.domain, fcport->d_id.b.area, 2852 fcport->d_id.b.al_pa); 2853 qla2x00_mark_device_lost(ha, fcport, 1); 2854 2855 rval = 1; 2856 break; 2857 } else { 2858 /* 2859 * unrecoverable / not handled error 2860 */ 2861 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " 2862 "loop_id=%x jiffies=%lx.\n", 2863 __func__, ha->host_no, mb[0], 2864 fcport->d_id.b.domain, fcport->d_id.b.area, 2865 fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); 2866 2867 *next_loopid = fcport->loop_id; 2868 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2869 fcport->d_id.b.domain, fcport->d_id.b.area, 2870 fcport->d_id.b.al_pa); 2871 fcport->loop_id = FC_NO_LOOP_ID; 2872 fcport->login_retry = 0; 2873 2874 rval = 3; 2875 break; 2876 } 2877 } 2878 2879 return (rval); 2880 } 2881 2882 /* 2883 * qla2x00_local_device_login 2884 * Issue local device login command. 2885 * 2886 * Input: 2887 * ha = adapter block pointer. 2888 * loop_id = loop id of device to login to. 2889 * 2890 * Returns (Where's the #define!!!!): 2891 * 0 - Login successfully 2892 * 1 - Login failed 2893 * 3 - Fatal error 2894 */ 2895 int 2896 qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id) 2897 { 2898 int rval; 2899 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2900 2901 memset(mb, 0, sizeof(mb)); 2902 rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0); 2903 if (rval == QLA_SUCCESS) { 2904 /* Interrogate mailbox registers for any errors */ 2905 if (mb[0] == MBS_COMMAND_ERROR) 2906 rval = 1; 2907 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 2908 /* device not in PCB table */ 2909 rval = 3; 2910 } 2911 2912 return (rval); 2913 } 2914 2915 /* 2916 * qla2x00_loop_resync 2917 * Resync with fibre channel devices. 2918 * 2919 * Input: 2920 * ha = adapter block pointer. 2921 * 2922 * Returns: 2923 * 0 = success 2924 */ 2925 int 2926 qla2x00_loop_resync(scsi_qla_host_t *ha) 2927 { 2928 int rval; 2929 uint32_t wait_time; 2930 2931 rval = QLA_SUCCESS; 2932 2933 atomic_set(&ha->loop_state, LOOP_UPDATE); 2934 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 2935 if (ha->flags.online) { 2936 if (!(rval = qla2x00_fw_ready(ha))) { 2937 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 2938 wait_time = 256; 2939 do { 2940 atomic_set(&ha->loop_state, LOOP_UPDATE); 2941 2942 /* Issue a marker after FW becomes ready. */ 2943 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 2944 ha->marker_needed = 0; 2945 2946 /* Remap devices on Loop. */ 2947 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 2948 2949 qla2x00_configure_loop(ha); 2950 wait_time--; 2951 } while (!atomic_read(&ha->loop_down_timer) && 2952 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 2953 wait_time && 2954 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 2955 } 2956 } 2957 2958 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { 2959 return (QLA_FUNCTION_FAILED); 2960 } 2961 2962 if (rval) { 2963 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 2964 } 2965 2966 return (rval); 2967 } 2968 2969 void 2970 qla2x00_rescan_fcports(scsi_qla_host_t *ha) 2971 { 2972 int rescan_done; 2973 fc_port_t *fcport; 2974 2975 rescan_done = 0; 2976 list_for_each_entry(fcport, &ha->fcports, list) { 2977 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) 2978 continue; 2979 2980 qla2x00_update_fcport(ha, fcport); 2981 fcport->flags &= ~FCF_RESCAN_NEEDED; 2982 2983 rescan_done = 1; 2984 } 2985 qla2x00_probe_for_all_luns(ha); 2986 } 2987 2988 /* 2989 * qla2x00_abort_isp 2990 * Resets ISP and aborts all outstanding commands. 2991 * 2992 * Input: 2993 * ha = adapter block pointer. 2994 * 2995 * Returns: 2996 * 0 = success 2997 */ 2998 int 2999 qla2x00_abort_isp(scsi_qla_host_t *ha) 3000 { 3001 unsigned long flags = 0; 3002 uint16_t cnt; 3003 srb_t *sp; 3004 uint8_t status = 0; 3005 3006 if (ha->flags.online) { 3007 ha->flags.online = 0; 3008 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 3009 3010 qla_printk(KERN_INFO, ha, 3011 "Performing ISP error recovery - ha= %p.\n", ha); 3012 ha->isp_ops.reset_chip(ha); 3013 3014 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 3015 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 3016 atomic_set(&ha->loop_state, LOOP_DOWN); 3017 qla2x00_mark_all_devices_lost(ha); 3018 } else { 3019 if (!atomic_read(&ha->loop_down_timer)) 3020 atomic_set(&ha->loop_down_timer, 3021 LOOP_DOWN_TIME); 3022 } 3023 3024 spin_lock_irqsave(&ha->hardware_lock, flags); 3025 /* Requeue all commands in outstanding command list. */ 3026 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 3027 sp = ha->outstanding_cmds[cnt]; 3028 if (sp) { 3029 ha->outstanding_cmds[cnt] = NULL; 3030 sp->flags = 0; 3031 sp->cmd->result = DID_RESET << 16; 3032 sp->cmd->host_scribble = (unsigned char *)NULL; 3033 qla2x00_sp_compl(ha, sp); 3034 } 3035 } 3036 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3037 3038 ha->isp_ops.nvram_config(ha); 3039 3040 if (!qla2x00_restart_isp(ha)) { 3041 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3042 3043 if (!atomic_read(&ha->loop_down_timer)) { 3044 /* 3045 * Issue marker command only when we are going 3046 * to start the I/O . 3047 */ 3048 ha->marker_needed = 1; 3049 } 3050 3051 ha->flags.online = 1; 3052 3053 ha->isp_ops.enable_intrs(ha); 3054 3055 ha->isp_abort_cnt = 0; 3056 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3057 } else { /* failed the ISP abort */ 3058 ha->flags.online = 1; 3059 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { 3060 if (ha->isp_abort_cnt == 0) { 3061 qla_printk(KERN_WARNING, ha, 3062 "ISP error recovery failed - " 3063 "board disabled\n"); 3064 /* 3065 * The next call disables the board 3066 * completely. 3067 */ 3068 ha->isp_ops.reset_adapter(ha); 3069 ha->flags.online = 0; 3070 clear_bit(ISP_ABORT_RETRY, 3071 &ha->dpc_flags); 3072 status = 0; 3073 } else { /* schedule another ISP abort */ 3074 ha->isp_abort_cnt--; 3075 DEBUG(printk("qla%ld: ISP abort - " 3076 "retry remaining %d\n", 3077 ha->host_no, ha->isp_abort_cnt);) 3078 status = 1; 3079 } 3080 } else { 3081 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3082 DEBUG(printk("qla2x00(%ld): ISP error recovery " 3083 "- retrying (%d) more times\n", 3084 ha->host_no, ha->isp_abort_cnt);) 3085 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3086 status = 1; 3087 } 3088 } 3089 3090 } 3091 3092 if (status) { 3093 qla_printk(KERN_INFO, ha, 3094 "qla2x00_abort_isp: **** FAILED ****\n"); 3095 } else { 3096 DEBUG(printk(KERN_INFO 3097 "qla2x00_abort_isp(%ld): exiting.\n", 3098 ha->host_no);) 3099 } 3100 3101 return(status); 3102 } 3103 3104 /* 3105 * qla2x00_restart_isp 3106 * restarts the ISP after a reset 3107 * 3108 * Input: 3109 * ha = adapter block pointer. 3110 * 3111 * Returns: 3112 * 0 = success 3113 */ 3114 static int 3115 qla2x00_restart_isp(scsi_qla_host_t *ha) 3116 { 3117 uint8_t status = 0; 3118 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3119 unsigned long flags = 0; 3120 uint32_t wait_time; 3121 3122 /* If firmware needs to be loaded */ 3123 if (qla2x00_isp_firmware(ha)) { 3124 ha->flags.online = 0; 3125 if (!(status = ha->isp_ops.chip_diag(ha))) { 3126 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 3127 status = qla2x00_setup_chip(ha); 3128 goto done; 3129 } 3130 3131 spin_lock_irqsave(&ha->hardware_lock, flags); 3132 3133 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) { 3134 /* 3135 * Disable SRAM, Instruction RAM and GP RAM 3136 * parity. 3137 */ 3138 WRT_REG_WORD(®->hccr, 3139 (HCCR_ENABLE_PARITY + 0x0)); 3140 RD_REG_WORD(®->hccr); 3141 } 3142 3143 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3144 3145 status = qla2x00_setup_chip(ha); 3146 3147 spin_lock_irqsave(&ha->hardware_lock, flags); 3148 3149 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) { 3150 /* Enable proper parity */ 3151 if (IS_QLA2300(ha)) 3152 /* SRAM parity */ 3153 WRT_REG_WORD(®->hccr, 3154 (HCCR_ENABLE_PARITY + 0x1)); 3155 else 3156 /* 3157 * SRAM, Instruction RAM and GP RAM 3158 * parity. 3159 */ 3160 WRT_REG_WORD(®->hccr, 3161 (HCCR_ENABLE_PARITY + 0x7)); 3162 RD_REG_WORD(®->hccr); 3163 } 3164 3165 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3166 } 3167 } 3168 3169 done: 3170 if (!status && !(status = qla2x00_init_rings(ha))) { 3171 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3172 if (!(status = qla2x00_fw_ready(ha))) { 3173 DEBUG(printk("%s(): Start configure loop, " 3174 "status = %d\n", __func__, status);) 3175 3176 /* Issue a marker after FW becomes ready. */ 3177 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3178 3179 ha->flags.online = 1; 3180 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3181 wait_time = 256; 3182 do { 3183 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3184 qla2x00_configure_loop(ha); 3185 wait_time--; 3186 } while (!atomic_read(&ha->loop_down_timer) && 3187 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3188 wait_time && 3189 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3190 } 3191 3192 /* if no cable then assume it's good */ 3193 if ((ha->device_flags & DFLG_NO_CABLE)) 3194 status = 0; 3195 3196 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", 3197 __func__, 3198 status);) 3199 } 3200 return (status); 3201 } 3202 3203 /* 3204 * qla2x00_reset_adapter 3205 * Reset adapter. 3206 * 3207 * Input: 3208 * ha = adapter block pointer. 3209 */ 3210 void 3211 qla2x00_reset_adapter(scsi_qla_host_t *ha) 3212 { 3213 unsigned long flags = 0; 3214 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3215 3216 ha->flags.online = 0; 3217 ha->isp_ops.disable_intrs(ha); 3218 3219 spin_lock_irqsave(&ha->hardware_lock, flags); 3220 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 3221 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3222 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 3223 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3224 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3225 } 3226 3227 void 3228 qla24xx_reset_adapter(scsi_qla_host_t *ha) 3229 { 3230 unsigned long flags = 0; 3231 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3232 3233 ha->flags.online = 0; 3234 ha->isp_ops.disable_intrs(ha); 3235 3236 spin_lock_irqsave(&ha->hardware_lock, flags); 3237 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 3238 RD_REG_DWORD(®->hccr); 3239 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 3240 RD_REG_DWORD(®->hccr); 3241 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3242 } 3243 3244 int 3245 qla24xx_nvram_config(scsi_qla_host_t *ha) 3246 { 3247 int rval; 3248 struct init_cb_24xx *icb; 3249 struct nvram_24xx *nv; 3250 uint32_t *dptr; 3251 uint8_t *dptr1, *dptr2; 3252 uint32_t chksum; 3253 uint16_t cnt; 3254 3255 rval = QLA_SUCCESS; 3256 icb = (struct init_cb_24xx *)ha->init_cb; 3257 nv = (struct nvram_24xx *)ha->request_ring; 3258 3259 /* Determine NVRAM starting address. */ 3260 ha->nvram_size = sizeof(struct nvram_24xx); 3261 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 3262 if (PCI_FUNC(ha->pdev->devfn)) 3263 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 3264 3265 /* Get NVRAM data and calculate checksum. */ 3266 dptr = (uint32_t *)nv; 3267 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, 3268 ha->nvram_size); 3269 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) 3270 chksum += le32_to_cpu(*dptr++); 3271 3272 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 3273 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, 3274 ha->nvram_size)); 3275 3276 /* Bad NVRAM data, set defaults parameters. */ 3277 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' 3278 || nv->id[3] != ' ' || 3279 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { 3280 /* Reset NVRAM data. */ 3281 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 3282 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 3283 le16_to_cpu(nv->nvram_version)); 3284 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 3285 "invalid -- WWPN) defaults.\n"); 3286 3287 /* 3288 * Set default initialization control block. 3289 */ 3290 memset(nv, 0, ha->nvram_size); 3291 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); 3292 nv->version = __constant_cpu_to_le16(ICB_VERSION); 3293 nv->frame_payload_size = __constant_cpu_to_le16(2048); 3294 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3295 nv->exchange_count = __constant_cpu_to_le16(0); 3296 nv->hard_address = __constant_cpu_to_le16(124); 3297 nv->port_name[0] = 0x21; 3298 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); 3299 nv->port_name[2] = 0x00; 3300 nv->port_name[3] = 0xe0; 3301 nv->port_name[4] = 0x8b; 3302 nv->port_name[5] = 0x1c; 3303 nv->port_name[6] = 0x55; 3304 nv->port_name[7] = 0x86; 3305 nv->node_name[0] = 0x20; 3306 nv->node_name[1] = 0x00; 3307 nv->node_name[2] = 0x00; 3308 nv->node_name[3] = 0xe0; 3309 nv->node_name[4] = 0x8b; 3310 nv->node_name[5] = 0x1c; 3311 nv->node_name[6] = 0x55; 3312 nv->node_name[7] = 0x86; 3313 nv->login_retry_count = __constant_cpu_to_le16(8); 3314 nv->link_down_timeout = __constant_cpu_to_le16(200); 3315 nv->interrupt_delay_timer = __constant_cpu_to_le16(0); 3316 nv->login_timeout = __constant_cpu_to_le16(0); 3317 nv->firmware_options_1 = 3318 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 3319 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); 3320 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); 3321 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); 3322 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); 3323 nv->efi_parameters = __constant_cpu_to_le32(0); 3324 nv->reset_delay = 5; 3325 nv->max_luns_per_target = __constant_cpu_to_le16(128); 3326 nv->port_down_retry_count = __constant_cpu_to_le16(30); 3327 nv->link_down_timeout = __constant_cpu_to_le16(30); 3328 3329 rval = 1; 3330 } 3331 3332 /* Reset Initialization control block */ 3333 memset(icb, 0, sizeof(struct init_cb_24xx)); 3334 3335 /* Copy 1st segment. */ 3336 dptr1 = (uint8_t *)icb; 3337 dptr2 = (uint8_t *)&nv->version; 3338 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 3339 while (cnt--) 3340 *dptr1++ = *dptr2++; 3341 3342 icb->login_retry_count = nv->login_retry_count; 3343 icb->link_down_timeout = nv->link_down_timeout; 3344 3345 /* Copy 2nd segment. */ 3346 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 3347 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 3348 cnt = (uint8_t *)&icb->reserved_3 - 3349 (uint8_t *)&icb->interrupt_delay_timer; 3350 while (cnt--) 3351 *dptr1++ = *dptr2++; 3352 3353 /* 3354 * Setup driver NVRAM options. 3355 */ 3356 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) { 3357 char *st, *en; 3358 uint16_t index; 3359 3360 strncpy(ha->model_number, nv->model_name, 3361 sizeof(nv->model_name)); 3362 st = en = ha->model_number; 3363 en += sizeof(nv->model_name) - 1; 3364 while (en > st) { 3365 if (*en != 0x20 && *en != 0x00) 3366 break; 3367 *en-- = '\0'; 3368 } 3369 3370 index = (ha->pdev->subsystem_device & 0xff); 3371 if (index < QLA_MODEL_NAMES) 3372 ha->model_desc = qla2x00_model_desc[index]; 3373 } else 3374 strcpy(ha->model_number, "QLA2462"); 3375 3376 /* Prepare nodename */ 3377 if ((icb->firmware_options_1 & BIT_14) == 0) { 3378 /* 3379 * Firmware will apply the following mask if the nodename was 3380 * not provided. 3381 */ 3382 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 3383 icb->node_name[0] &= 0xF0; 3384 } 3385 3386 /* Set host adapter parameters. */ 3387 ha->flags.disable_risc_code_load = 0; 3388 ha->flags.enable_lip_reset = 1; 3389 ha->flags.enable_lip_full_login = 1; 3390 ha->flags.enable_target_reset = 1; 3391 ha->flags.enable_led_scheme = 0; 3392 3393 ha->operating_mode = 3394 (icb->firmware_options_2 & (BIT_6 | BIT_5 | BIT_4)) >> 4; 3395 3396 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 3397 sizeof(ha->fw_seriallink_options24)); 3398 3399 /* save HBA serial number */ 3400 ha->serial0 = icb->port_name[5]; 3401 ha->serial1 = icb->port_name[6]; 3402 ha->serial2 = icb->port_name[7]; 3403 ha->node_name = icb->node_name; 3404 ha->port_name = icb->port_name; 3405 3406 ha->retry_count = le16_to_cpu(nv->login_retry_count); 3407 3408 /* Set minimum login_timeout to 4 seconds. */ 3409 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 3410 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 3411 if (le16_to_cpu(nv->login_timeout) < 4) 3412 nv->login_timeout = __constant_cpu_to_le16(4); 3413 ha->login_timeout = le16_to_cpu(nv->login_timeout); 3414 icb->login_timeout = cpu_to_le16(nv->login_timeout); 3415 3416 /* Set minimum RATOV to 200 tenths of a second. */ 3417 ha->r_a_tov = 200; 3418 3419 ha->loop_reset_delay = nv->reset_delay; 3420 3421 /* Link Down Timeout = 0: 3422 * 3423 * When Port Down timer expires we will start returning 3424 * I/O's to OS with "DID_NO_CONNECT". 3425 * 3426 * Link Down Timeout != 0: 3427 * 3428 * The driver waits for the link to come up after link down 3429 * before returning I/Os to OS with "DID_NO_CONNECT". 3430 */ 3431 if (le16_to_cpu(nv->link_down_timeout) == 0) { 3432 ha->loop_down_abort_time = 3433 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 3434 } else { 3435 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 3436 ha->loop_down_abort_time = 3437 (LOOP_DOWN_TIME - ha->link_down_timeout); 3438 } 3439 3440 /* Need enough time to try and get the port back. */ 3441 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 3442 if (qlport_down_retry) 3443 ha->port_down_retry_count = qlport_down_retry; 3444 3445 /* Set login_retry_count */ 3446 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 3447 if (ha->port_down_retry_count == 3448 le16_to_cpu(nv->port_down_retry_count) && 3449 ha->port_down_retry_count > 3) 3450 ha->login_retry_count = ha->port_down_retry_count; 3451 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 3452 ha->login_retry_count = ha->port_down_retry_count; 3453 if (ql2xloginretrycount) 3454 ha->login_retry_count = ql2xloginretrycount; 3455 3456 /* Enable ZIO. */ 3457 if (!ha->flags.init_done) { 3458 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 3459 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 3460 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 3461 le16_to_cpu(icb->interrupt_delay_timer): 2; 3462 } 3463 icb->firmware_options_2 &= __constant_cpu_to_le32( 3464 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 3465 ha->flags.process_response_queue = 0; 3466 if (ha->zio_mode != QLA_ZIO_DISABLED) { 3467 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay " 3468 "(%d us).\n", ha->host_no, ha->zio_mode, 3469 ha->zio_timer * 100)); 3470 qla_printk(KERN_INFO, ha, 3471 "ZIO mode %d enabled; timer delay (%d us).\n", 3472 ha->zio_mode, ha->zio_timer * 100); 3473 3474 icb->firmware_options_2 |= cpu_to_le32( 3475 (uint32_t)ha->zio_mode); 3476 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 3477 ha->flags.process_response_queue = 1; 3478 } 3479 3480 if (rval) { 3481 DEBUG2_3(printk(KERN_WARNING 3482 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 3483 } 3484 return (rval); 3485 } 3486 3487 int 3488 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3489 { 3490 int rval; 3491 uint16_t cnt; 3492 uint16_t *risc_code; 3493 unsigned long risc_address; 3494 unsigned long risc_code_size; 3495 int num; 3496 int i; 3497 uint16_t *req_ring; 3498 struct qla_fw_info *fw_iter; 3499 3500 rval = QLA_SUCCESS; 3501 3502 /* Load firmware sequences */ 3503 fw_iter = ha->brd_info->fw_info; 3504 *srisc_addr = *ha->brd_info->fw_info->fwstart; 3505 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) { 3506 risc_code = fw_iter->fwcode; 3507 risc_code_size = *fw_iter->fwlen; 3508 3509 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { 3510 risc_address = *fw_iter->fwstart; 3511 } else { 3512 /* Extended address */ 3513 risc_address = *fw_iter->lfwstart; 3514 } 3515 3516 num = 0; 3517 rval = 0; 3518 while (risc_code_size > 0 && !rval) { 3519 cnt = (uint16_t)(ha->fw_transfer_size >> 1); 3520 if (cnt > risc_code_size) 3521 cnt = risc_code_size; 3522 3523 DEBUG7(printk("scsi(%ld): Loading risc segment@ " 3524 "addr %p, number of bytes 0x%x, offset 0x%lx.\n", 3525 ha->host_no, risc_code, cnt, risc_address)); 3526 3527 req_ring = (uint16_t *)ha->request_ring; 3528 for (i = 0; i < cnt; i++) 3529 req_ring[i] = cpu_to_le16(risc_code[i]); 3530 3531 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { 3532 rval = qla2x00_load_ram(ha, ha->request_dma, 3533 risc_address, cnt); 3534 } else { 3535 rval = qla2x00_load_ram_ext(ha, 3536 ha->request_dma, risc_address, cnt); 3537 } 3538 if (rval) { 3539 DEBUG(printk("scsi(%ld): [ERROR] Failed to " 3540 "load segment %d of firmware\n", 3541 ha->host_no, num)); 3542 qla_printk(KERN_WARNING, ha, 3543 "[ERROR] Failed to load segment %d of " 3544 "firmware\n", num); 3545 3546 qla2x00_dump_regs(ha); 3547 break; 3548 } 3549 3550 risc_code += cnt; 3551 risc_address += cnt; 3552 risc_code_size -= cnt; 3553 num++; 3554 } 3555 3556 /* Next firmware sequence */ 3557 fw_iter++; 3558 } 3559 3560 return (rval); 3561 } 3562 3563 int 3564 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3565 { 3566 int rval; 3567 int segments, fragment; 3568 uint32_t faddr; 3569 uint32_t *dcode, dlen; 3570 uint32_t risc_addr; 3571 uint32_t risc_size; 3572 uint32_t i; 3573 3574 rval = QLA_SUCCESS; 3575 3576 segments = FA_RISC_CODE_SEGMENTS; 3577 faddr = FA_RISC_CODE_ADDR; 3578 dcode = (uint32_t *)ha->request_ring; 3579 *srisc_addr = 0; 3580 3581 /* Validate firmware image by checking version. */ 3582 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); 3583 for (i = 0; i < 4; i++) 3584 dcode[i] = be32_to_cpu(dcode[i]); 3585 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3586 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3587 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3588 dcode[3] == 0)) { 3589 qla_printk(KERN_WARNING, ha, 3590 "Unable to verify integrity of flash firmware image!\n"); 3591 qla_printk(KERN_WARNING, ha, 3592 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3593 dcode[1], dcode[2], dcode[3]); 3594 3595 return QLA_FUNCTION_FAILED; 3596 } 3597 3598 while (segments && rval == QLA_SUCCESS) { 3599 /* Read segment's load information. */ 3600 qla24xx_read_flash_data(ha, dcode, faddr, 4); 3601 3602 risc_addr = be32_to_cpu(dcode[2]); 3603 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3604 risc_size = be32_to_cpu(dcode[3]); 3605 3606 fragment = 0; 3607 while (risc_size > 0 && rval == QLA_SUCCESS) { 3608 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3609 if (dlen > risc_size) 3610 dlen = risc_size; 3611 3612 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3613 "addr %x, number of dwords 0x%x, offset 0x%x.\n", 3614 ha->host_no, risc_addr, dlen, faddr)); 3615 3616 qla24xx_read_flash_data(ha, dcode, faddr, dlen); 3617 for (i = 0; i < dlen; i++) 3618 dcode[i] = swab32(dcode[i]); 3619 3620 rval = qla2x00_load_ram_ext(ha, ha->request_dma, 3621 risc_addr, dlen); 3622 if (rval) { 3623 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3624 "segment %d of firmware\n", ha->host_no, 3625 fragment)); 3626 qla_printk(KERN_WARNING, ha, 3627 "[ERROR] Failed to load segment %d of " 3628 "firmware\n", fragment); 3629 break; 3630 } 3631 3632 faddr += dlen; 3633 risc_addr += dlen; 3634 risc_size -= dlen; 3635 fragment++; 3636 } 3637 3638 /* Next segment. */ 3639 segments--; 3640 } 3641 3642 return rval; 3643 } 3644 3645 int 3646 qla24xx_load_risc_hotplug(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3647 { 3648 int rval; 3649 int segments, fragment; 3650 uint32_t *dcode, dlen; 3651 uint32_t risc_addr; 3652 uint32_t risc_size; 3653 uint32_t i; 3654 const struct firmware *fw_entry; 3655 uint32_t *fwcode, fwclen; 3656 3657 if (request_firmware(&fw_entry, ha->brd_info->fw_fname, 3658 &ha->pdev->dev)) { 3659 qla_printk(KERN_ERR, ha, 3660 "Firmware image file not available: '%s'\n", 3661 ha->brd_info->fw_fname); 3662 return QLA_FUNCTION_FAILED; 3663 } 3664 3665 rval = QLA_SUCCESS; 3666 3667 segments = FA_RISC_CODE_SEGMENTS; 3668 dcode = (uint32_t *)ha->request_ring; 3669 *srisc_addr = 0; 3670 fwcode = (uint32_t *)fw_entry->data; 3671 fwclen = 0; 3672 3673 /* Validate firmware image by checking version. */ 3674 if (fw_entry->size < 8 * sizeof(uint32_t)) { 3675 qla_printk(KERN_WARNING, ha, 3676 "Unable to verify integrity of flash firmware image " 3677 "(%Zd)!\n", fw_entry->size); 3678 goto fail_fw_integrity; 3679 } 3680 for (i = 0; i < 4; i++) 3681 dcode[i] = be32_to_cpu(fwcode[i + 4]); 3682 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3683 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3684 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3685 dcode[3] == 0)) { 3686 qla_printk(KERN_WARNING, ha, 3687 "Unable to verify integrity of flash firmware image!\n"); 3688 qla_printk(KERN_WARNING, ha, 3689 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3690 dcode[1], dcode[2], dcode[3]); 3691 goto fail_fw_integrity; 3692 } 3693 3694 while (segments && rval == QLA_SUCCESS) { 3695 risc_addr = be32_to_cpu(fwcode[2]); 3696 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3697 risc_size = be32_to_cpu(fwcode[3]); 3698 3699 /* Validate firmware image size. */ 3700 fwclen += risc_size * sizeof(uint32_t); 3701 if (fw_entry->size < fwclen) { 3702 qla_printk(KERN_WARNING, ha, 3703 "Unable to verify integrity of flash firmware " 3704 "image (%Zd)!\n", fw_entry->size); 3705 goto fail_fw_integrity; 3706 } 3707 3708 fragment = 0; 3709 while (risc_size > 0 && rval == QLA_SUCCESS) { 3710 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3711 if (dlen > risc_size) 3712 dlen = risc_size; 3713 3714 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3715 "addr %x, number of dwords 0x%x.\n", ha->host_no, 3716 risc_addr, dlen)); 3717 3718 for (i = 0; i < dlen; i++) 3719 dcode[i] = swab32(fwcode[i]); 3720 3721 rval = qla2x00_load_ram_ext(ha, ha->request_dma, 3722 risc_addr, dlen); 3723 if (rval) { 3724 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3725 "segment %d of firmware\n", ha->host_no, 3726 fragment)); 3727 qla_printk(KERN_WARNING, ha, 3728 "[ERROR] Failed to load segment %d of " 3729 "firmware\n", fragment); 3730 break; 3731 } 3732 3733 fwcode += dlen; 3734 risc_addr += dlen; 3735 risc_size -= dlen; 3736 fragment++; 3737 } 3738 3739 /* Next segment. */ 3740 segments--; 3741 } 3742 3743 release_firmware(fw_entry); 3744 return rval; 3745 3746 fail_fw_integrity: 3747 3748 release_firmware(fw_entry); 3749 return QLA_FUNCTION_FAILED; 3750 3751 } 3752