1 /* 2 * QLOGIC LINUX SOFTWARE 3 * 4 * QLogic ISP2x00 device driver for Linux 2.6.x 5 * Copyright (C) 2003-2005 QLogic Corporation 6 * (www.qlogic.com) 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2, or (at your option) any 11 * later version. 12 * 13 * This program is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 * 18 */ 19 #include "qla_def.h" 20 21 #include <linux/delay.h> 22 #include <linux/vmalloc.h> 23 #include <linux/firmware.h> 24 #include <scsi/scsi_transport_fc.h> 25 26 #include "qla_devtbl.h" 27 28 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */ 29 #ifndef EXT_IS_LUN_BIT_SET 30 #define EXT_IS_LUN_BIT_SET(P,L) \ 31 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0) 32 #define EXT_SET_LUN_BIT(P,L) \ 33 ((P)->mask[L/8] |= (0x80 >> (L%8))) 34 #endif 35 36 /* 37 * QLogic ISP2x00 Hardware Support Function Prototypes. 38 */ 39 static int qla2x00_isp_firmware(scsi_qla_host_t *); 40 static void qla2x00_resize_request_q(scsi_qla_host_t *); 41 static int qla2x00_setup_chip(scsi_qla_host_t *); 42 static void qla2x00_init_response_q_entries(scsi_qla_host_t *); 43 static int qla2x00_init_rings(scsi_qla_host_t *); 44 static int qla2x00_fw_ready(scsi_qla_host_t *); 45 static int qla2x00_configure_hba(scsi_qla_host_t *); 46 static int qla2x00_configure_loop(scsi_qla_host_t *); 47 static int qla2x00_configure_local_loop(scsi_qla_host_t *); 48 static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *); 49 static int qla2x00_configure_fabric(scsi_qla_host_t *); 50 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); 51 static int qla2x00_device_resync(scsi_qla_host_t *); 52 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, 53 uint16_t *); 54 55 static int qla2x00_restart_isp(scsi_qla_host_t *); 56 57 /****************************************************************************/ 58 /* QLogic ISP2x00 Hardware Support Functions. */ 59 /****************************************************************************/ 60 61 /* 62 * qla2x00_initialize_adapter 63 * Initialize board. 64 * 65 * Input: 66 * ha = adapter block pointer. 67 * 68 * Returns: 69 * 0 = success 70 */ 71 int 72 qla2x00_initialize_adapter(scsi_qla_host_t *ha) 73 { 74 int rval; 75 uint8_t restart_risc = 0; 76 uint8_t retry; 77 uint32_t wait_time; 78 79 /* Clear adapter flags. */ 80 ha->flags.online = 0; 81 ha->flags.reset_active = 0; 82 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 83 atomic_set(&ha->loop_state, LOOP_DOWN); 84 ha->device_flags = 0; 85 ha->dpc_flags = 0; 86 ha->flags.management_server_logged_in = 0; 87 ha->marker_needed = 0; 88 ha->mbx_flags = 0; 89 ha->isp_abort_cnt = 0; 90 ha->beacon_blink_led = 0; 91 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); 92 93 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 94 rval = ha->isp_ops.pci_config(ha); 95 if (rval) { 96 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n", 97 ha->host_no)); 98 return (rval); 99 } 100 101 ha->isp_ops.reset_chip(ha); 102 103 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); 104 105 ha->isp_ops.nvram_config(ha); 106 107 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); 108 109 retry = 10; 110 /* 111 * Try to configure the loop. 112 */ 113 do { 114 restart_risc = 0; 115 116 /* If firmware needs to be loaded */ 117 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { 118 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) { 119 rval = qla2x00_setup_chip(ha); 120 } 121 } 122 123 if (rval == QLA_SUCCESS && 124 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) { 125 check_fw_ready_again: 126 /* 127 * Wait for a successful LIP up to a maximum 128 * of (in seconds): RISC login timeout value, 129 * RISC retry count value, and port down retry 130 * value OR a minimum of 4 seconds OR If no 131 * cable, only 5 seconds. 132 */ 133 rval = qla2x00_fw_ready(ha); 134 if (rval == QLA_SUCCESS) { 135 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 136 137 /* Issue a marker after FW becomes ready. */ 138 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 139 140 /* 141 * Wait at most MAX_TARGET RSCNs for a stable 142 * link. 143 */ 144 wait_time = 256; 145 do { 146 clear_bit(LOOP_RESYNC_NEEDED, 147 &ha->dpc_flags); 148 rval = qla2x00_configure_loop(ha); 149 150 if (test_and_clear_bit(ISP_ABORT_NEEDED, 151 &ha->dpc_flags)) { 152 restart_risc = 1; 153 break; 154 } 155 156 /* 157 * If loop state change while we were 158 * discoverying devices then wait for 159 * LIP to complete 160 */ 161 162 if (atomic_read(&ha->loop_state) == 163 LOOP_DOWN && retry--) { 164 goto check_fw_ready_again; 165 } 166 wait_time--; 167 } while (!atomic_read(&ha->loop_down_timer) && 168 retry && 169 wait_time && 170 (test_bit(LOOP_RESYNC_NEEDED, 171 &ha->dpc_flags))); 172 173 if (wait_time == 0) 174 rval = QLA_FUNCTION_FAILED; 175 } else if (ha->device_flags & DFLG_NO_CABLE) 176 /* If no cable, then all is good. */ 177 rval = QLA_SUCCESS; 178 } 179 } while (restart_risc && retry--); 180 181 if (rval == QLA_SUCCESS) { 182 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 183 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 184 ha->marker_needed = 0; 185 186 ha->flags.online = 1; 187 } else { 188 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 189 } 190 191 return (rval); 192 } 193 194 /** 195 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. 196 * @ha: HA context 197 * 198 * Returns 0 on success. 199 */ 200 int 201 qla2100_pci_config(scsi_qla_host_t *ha) 202 { 203 uint16_t w, mwi; 204 uint32_t d; 205 unsigned long flags; 206 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 207 208 pci_set_master(ha->pdev); 209 mwi = 0; 210 if (pci_set_mwi(ha->pdev)) 211 mwi = PCI_COMMAND_INVALIDATE; 212 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); 213 214 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 215 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 216 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 217 218 /* Reset expansion ROM address decode enable */ 219 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 220 d &= ~PCI_ROM_ADDRESS_ENABLE; 221 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 222 223 /* Get PCI bus information. */ 224 spin_lock_irqsave(&ha->hardware_lock, flags); 225 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 226 spin_unlock_irqrestore(&ha->hardware_lock, flags); 227 228 return QLA_SUCCESS; 229 } 230 231 /** 232 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. 233 * @ha: HA context 234 * 235 * Returns 0 on success. 236 */ 237 int 238 qla2300_pci_config(scsi_qla_host_t *ha) 239 { 240 uint16_t w, mwi; 241 uint32_t d; 242 unsigned long flags = 0; 243 uint32_t cnt; 244 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 245 246 pci_set_master(ha->pdev); 247 mwi = 0; 248 if (pci_set_mwi(ha->pdev)) 249 mwi = PCI_COMMAND_INVALIDATE; 250 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); 251 252 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 253 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 254 255 if (IS_QLA2322(ha) || IS_QLA6322(ha)) 256 w &= ~PCI_COMMAND_INTX_DISABLE; 257 258 /* 259 * If this is a 2300 card and not 2312, reset the 260 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, 261 * the 2310 also reports itself as a 2300 so we need to get the 262 * fb revision level -- a 6 indicates it really is a 2300 and 263 * not a 2310. 264 */ 265 if (IS_QLA2300(ha)) { 266 spin_lock_irqsave(&ha->hardware_lock, flags); 267 268 /* Pause RISC. */ 269 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 270 for (cnt = 0; cnt < 30000; cnt++) { 271 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) != 0) 272 break; 273 274 udelay(10); 275 } 276 277 /* Select FPM registers. */ 278 WRT_REG_WORD(®->ctrl_status, 0x20); 279 RD_REG_WORD(®->ctrl_status); 280 281 /* Get the fb rev level */ 282 ha->fb_rev = RD_FB_CMD_REG(ha, reg); 283 284 if (ha->fb_rev == FPM_2300) 285 w &= ~PCI_COMMAND_INVALIDATE; 286 287 /* Deselect FPM registers. */ 288 WRT_REG_WORD(®->ctrl_status, 0x0); 289 RD_REG_WORD(®->ctrl_status); 290 291 /* Release RISC module. */ 292 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 293 for (cnt = 0; cnt < 30000; cnt++) { 294 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0) 295 break; 296 297 udelay(10); 298 } 299 300 spin_unlock_irqrestore(&ha->hardware_lock, flags); 301 } 302 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 303 304 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 305 306 /* Reset expansion ROM address decode enable */ 307 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 308 d &= ~PCI_ROM_ADDRESS_ENABLE; 309 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 310 311 /* Get PCI bus information. */ 312 spin_lock_irqsave(&ha->hardware_lock, flags); 313 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 314 spin_unlock_irqrestore(&ha->hardware_lock, flags); 315 316 return QLA_SUCCESS; 317 } 318 319 /** 320 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers. 321 * @ha: HA context 322 * 323 * Returns 0 on success. 324 */ 325 int 326 qla24xx_pci_config(scsi_qla_host_t *ha) 327 { 328 uint16_t w, mwi; 329 uint32_t d; 330 unsigned long flags = 0; 331 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 332 int pcix_cmd_reg, pcie_dctl_reg; 333 334 pci_set_master(ha->pdev); 335 mwi = 0; 336 if (pci_set_mwi(ha->pdev)) 337 mwi = PCI_COMMAND_INVALIDATE; 338 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); 339 340 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 341 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 342 w &= ~PCI_COMMAND_INTX_DISABLE; 343 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 344 345 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 346 347 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */ 348 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX); 349 if (pcix_cmd_reg) { 350 uint16_t pcix_cmd; 351 352 pcix_cmd_reg += PCI_X_CMD; 353 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd); 354 pcix_cmd &= ~PCI_X_CMD_MAX_READ; 355 pcix_cmd |= 0x0008; 356 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd); 357 } 358 359 /* PCIe -- adjust Maximum Read Request Size (2048). */ 360 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); 361 if (pcie_dctl_reg) { 362 uint16_t pcie_dctl; 363 364 pcie_dctl_reg += PCI_EXP_DEVCTL; 365 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl); 366 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ; 367 pcie_dctl |= 0x4000; 368 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl); 369 } 370 371 /* Reset expansion ROM address decode enable */ 372 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 373 d &= ~PCI_ROM_ADDRESS_ENABLE; 374 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 375 376 /* Get PCI bus information. */ 377 spin_lock_irqsave(&ha->hardware_lock, flags); 378 ha->pci_attr = RD_REG_DWORD(®->ctrl_status); 379 spin_unlock_irqrestore(&ha->hardware_lock, flags); 380 381 return QLA_SUCCESS; 382 } 383 384 /** 385 * qla2x00_isp_firmware() - Choose firmware image. 386 * @ha: HA context 387 * 388 * Returns 0 on success. 389 */ 390 static int 391 qla2x00_isp_firmware(scsi_qla_host_t *ha) 392 { 393 int rval; 394 395 /* Assume loading risc code */ 396 rval = QLA_FUNCTION_FAILED; 397 398 if (ha->flags.disable_risc_code_load) { 399 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", 400 ha->host_no)); 401 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); 402 403 /* Verify checksum of loaded RISC code. */ 404 rval = qla2x00_verify_checksum(ha, 405 IS_QLA24XX(ha) || IS_QLA25XX(ha) ? RISC_SADDRESS : 406 *ha->brd_info->fw_info[0].fwstart); 407 } 408 409 if (rval) { 410 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", 411 ha->host_no)); 412 } 413 414 return (rval); 415 } 416 417 /** 418 * qla2x00_reset_chip() - Reset ISP chip. 419 * @ha: HA context 420 * 421 * Returns 0 on success. 422 */ 423 void 424 qla2x00_reset_chip(scsi_qla_host_t *ha) 425 { 426 unsigned long flags = 0; 427 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 428 uint32_t cnt; 429 unsigned long mbx_flags = 0; 430 uint16_t cmd; 431 432 ha->isp_ops.disable_intrs(ha); 433 434 spin_lock_irqsave(&ha->hardware_lock, flags); 435 436 /* Turn off master enable */ 437 cmd = 0; 438 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); 439 cmd &= ~PCI_COMMAND_MASTER; 440 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 441 442 if (!IS_QLA2100(ha)) { 443 /* Pause RISC. */ 444 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 445 if (IS_QLA2200(ha) || IS_QLA2300(ha)) { 446 for (cnt = 0; cnt < 30000; cnt++) { 447 if ((RD_REG_WORD(®->hccr) & 448 HCCR_RISC_PAUSE) != 0) 449 break; 450 udelay(100); 451 } 452 } else { 453 RD_REG_WORD(®->hccr); /* PCI Posting. */ 454 udelay(10); 455 } 456 457 /* Select FPM registers. */ 458 WRT_REG_WORD(®->ctrl_status, 0x20); 459 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 460 461 /* FPM Soft Reset. */ 462 WRT_REG_WORD(®->fpm_diag_config, 0x100); 463 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 464 465 /* Toggle Fpm Reset. */ 466 if (!IS_QLA2200(ha)) { 467 WRT_REG_WORD(®->fpm_diag_config, 0x0); 468 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 469 } 470 471 /* Select frame buffer registers. */ 472 WRT_REG_WORD(®->ctrl_status, 0x10); 473 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 474 475 /* Reset frame buffer FIFOs. */ 476 if (IS_QLA2200(ha)) { 477 WRT_FB_CMD_REG(ha, reg, 0xa000); 478 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ 479 } else { 480 WRT_FB_CMD_REG(ha, reg, 0x00fc); 481 482 /* Read back fb_cmd until zero or 3 seconds max */ 483 for (cnt = 0; cnt < 3000; cnt++) { 484 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) 485 break; 486 udelay(100); 487 } 488 } 489 490 /* Select RISC module registers. */ 491 WRT_REG_WORD(®->ctrl_status, 0); 492 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 493 494 /* Reset RISC processor. */ 495 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 496 RD_REG_WORD(®->hccr); /* PCI Posting. */ 497 498 /* Release RISC processor. */ 499 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 500 RD_REG_WORD(®->hccr); /* PCI Posting. */ 501 } 502 503 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 504 WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); 505 506 /* Reset ISP chip. */ 507 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 508 509 /* Wait for RISC to recover from reset. */ 510 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 511 /* 512 * It is necessary to for a delay here since the card doesn't 513 * respond to PCI reads during a reset. On some architectures 514 * this will result in an MCA. 515 */ 516 udelay(20); 517 for (cnt = 30000; cnt; cnt--) { 518 if ((RD_REG_WORD(®->ctrl_status) & 519 CSR_ISP_SOFT_RESET) == 0) 520 break; 521 udelay(100); 522 } 523 } else 524 udelay(10); 525 526 /* Reset RISC processor. */ 527 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 528 529 WRT_REG_WORD(®->semaphore, 0); 530 531 /* Release RISC processor. */ 532 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 533 RD_REG_WORD(®->hccr); /* PCI Posting. */ 534 535 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 536 for (cnt = 0; cnt < 30000; cnt++) { 537 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) 538 spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags); 539 540 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) { 541 if (!(test_bit(ABORT_ISP_ACTIVE, 542 &ha->dpc_flags))) 543 spin_unlock_irqrestore( 544 &ha->mbx_reg_lock, mbx_flags); 545 break; 546 } 547 548 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) 549 spin_unlock_irqrestore(&ha->mbx_reg_lock, 550 mbx_flags); 551 552 udelay(100); 553 } 554 } else 555 udelay(100); 556 557 /* Turn on master enable */ 558 cmd |= PCI_COMMAND_MASTER; 559 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 560 561 /* Disable RISC pause on FPM parity error. */ 562 if (!IS_QLA2100(ha)) { 563 WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); 564 RD_REG_WORD(®->hccr); /* PCI Posting. */ 565 } 566 567 spin_unlock_irqrestore(&ha->hardware_lock, flags); 568 } 569 570 /** 571 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC. 572 * @ha: HA context 573 * 574 * Returns 0 on success. 575 */ 576 static inline void 577 qla24xx_reset_risc(scsi_qla_host_t *ha) 578 { 579 unsigned long flags = 0; 580 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 581 uint32_t cnt, d2; 582 583 spin_lock_irqsave(&ha->hardware_lock, flags); 584 585 /* Reset RISC. */ 586 WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 587 for (cnt = 0; cnt < 30000; cnt++) { 588 if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) 589 break; 590 591 udelay(10); 592 } 593 594 WRT_REG_DWORD(®->ctrl_status, 595 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 596 RD_REG_DWORD(®->ctrl_status); 597 598 /* Wait for firmware to complete NVRAM accesses. */ 599 udelay(5); 600 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 601 for (cnt = 10000 ; cnt && d2; cnt--) { 602 udelay(5); 603 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 604 barrier(); 605 } 606 607 udelay(20); 608 d2 = RD_REG_DWORD(®->ctrl_status); 609 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) { 610 udelay(5); 611 d2 = RD_REG_DWORD(®->ctrl_status); 612 barrier(); 613 } 614 615 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 616 RD_REG_DWORD(®->hccr); 617 618 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 619 RD_REG_DWORD(®->hccr); 620 621 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET); 622 RD_REG_DWORD(®->hccr); 623 624 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 625 for (cnt = 6000000 ; cnt && d2; cnt--) { 626 udelay(5); 627 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 628 barrier(); 629 } 630 631 spin_unlock_irqrestore(&ha->hardware_lock, flags); 632 } 633 634 /** 635 * qla24xx_reset_chip() - Reset ISP24xx chip. 636 * @ha: HA context 637 * 638 * Returns 0 on success. 639 */ 640 void 641 qla24xx_reset_chip(scsi_qla_host_t *ha) 642 { 643 ha->isp_ops.disable_intrs(ha); 644 645 /* Perform RISC reset. */ 646 qla24xx_reset_risc(ha); 647 } 648 649 /** 650 * qla2x00_chip_diag() - Test chip for proper operation. 651 * @ha: HA context 652 * 653 * Returns 0 on success. 654 */ 655 int 656 qla2x00_chip_diag(scsi_qla_host_t *ha) 657 { 658 int rval; 659 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 660 unsigned long flags = 0; 661 uint16_t data; 662 uint32_t cnt; 663 uint16_t mb[5]; 664 665 /* Assume a failed state */ 666 rval = QLA_FUNCTION_FAILED; 667 668 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", 669 ha->host_no, (u_long)®->flash_address)); 670 671 spin_lock_irqsave(&ha->hardware_lock, flags); 672 673 /* Reset ISP chip. */ 674 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 675 676 /* 677 * We need to have a delay here since the card will not respond while 678 * in reset causing an MCA on some architectures. 679 */ 680 udelay(20); 681 data = qla2x00_debounce_register(®->ctrl_status); 682 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { 683 udelay(5); 684 data = RD_REG_WORD(®->ctrl_status); 685 barrier(); 686 } 687 688 if (!cnt) 689 goto chip_diag_failed; 690 691 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", 692 ha->host_no)); 693 694 /* Reset RISC processor. */ 695 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 696 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 697 698 /* Workaround for QLA2312 PCI parity error */ 699 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 700 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); 701 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { 702 udelay(5); 703 data = RD_MAILBOX_REG(ha, reg, 0); 704 barrier(); 705 } 706 } else 707 udelay(10); 708 709 if (!cnt) 710 goto chip_diag_failed; 711 712 /* Check product ID of chip */ 713 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); 714 715 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 716 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 717 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 718 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); 719 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || 720 mb[3] != PROD_ID_3) { 721 qla_printk(KERN_WARNING, ha, 722 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); 723 724 goto chip_diag_failed; 725 } 726 ha->product_id[0] = mb[1]; 727 ha->product_id[1] = mb[2]; 728 ha->product_id[2] = mb[3]; 729 ha->product_id[3] = mb[4]; 730 731 /* Adjust fw RISC transfer size */ 732 if (ha->request_q_length > 1024) 733 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 734 else 735 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 736 ha->request_q_length; 737 738 if (IS_QLA2200(ha) && 739 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { 740 /* Limit firmware transfer size with a 2200A */ 741 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", 742 ha->host_no)); 743 744 ha->fw_transfer_size = 128; 745 } 746 747 /* Wrap Incoming Mailboxes Test. */ 748 spin_unlock_irqrestore(&ha->hardware_lock, flags); 749 750 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); 751 rval = qla2x00_mbx_reg_test(ha); 752 if (rval) { 753 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 754 ha->host_no)); 755 qla_printk(KERN_WARNING, ha, 756 "Failed mailbox send register test\n"); 757 } 758 else { 759 /* Flag a successful rval */ 760 rval = QLA_SUCCESS; 761 } 762 spin_lock_irqsave(&ha->hardware_lock, flags); 763 764 chip_diag_failed: 765 if (rval) 766 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " 767 "****\n", ha->host_no)); 768 769 spin_unlock_irqrestore(&ha->hardware_lock, flags); 770 771 return (rval); 772 } 773 774 /** 775 * qla24xx_chip_diag() - Test ISP24xx for proper operation. 776 * @ha: HA context 777 * 778 * Returns 0 on success. 779 */ 780 int 781 qla24xx_chip_diag(scsi_qla_host_t *ha) 782 { 783 int rval; 784 785 /* Perform RISC reset. */ 786 qla24xx_reset_risc(ha); 787 788 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 789 790 rval = qla2x00_mbx_reg_test(ha); 791 if (rval) { 792 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 793 ha->host_no)); 794 qla_printk(KERN_WARNING, ha, 795 "Failed mailbox send register test\n"); 796 } else { 797 /* Flag a successful rval */ 798 rval = QLA_SUCCESS; 799 } 800 801 return rval; 802 } 803 804 static void 805 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) 806 { 807 ha->fw_dumped = 0; 808 ha->fw_dump24_len = sizeof(struct qla24xx_fw_dump); 809 ha->fw_dump24_len += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t); 810 ha->fw_dump24 = vmalloc(ha->fw_dump24_len); 811 if (ha->fw_dump24) 812 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware " 813 "dump...\n", ha->fw_dump24_len / 1024); 814 else 815 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for " 816 "firmware dump!!!\n", ha->fw_dump24_len / 1024); 817 } 818 819 /** 820 * qla2x00_resize_request_q() - Resize request queue given available ISP memory. 821 * @ha: HA context 822 * 823 * Returns 0 on success. 824 */ 825 static void 826 qla2x00_resize_request_q(scsi_qla_host_t *ha) 827 { 828 int rval; 829 uint16_t fw_iocb_cnt = 0; 830 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; 831 dma_addr_t request_dma; 832 request_t *request_ring; 833 834 /* Valid only on recent ISPs. */ 835 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 836 return; 837 838 if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) 839 qla2x00_alloc_fw_dump(ha); 840 841 /* Retrieve IOCB counts available to the firmware. */ 842 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt); 843 if (rval) 844 return; 845 /* No point in continuing if current settings are sufficient. */ 846 if (fw_iocb_cnt < 1024) 847 return; 848 if (ha->request_q_length >= request_q_length) 849 return; 850 851 /* Attempt to claim larger area for request queue. */ 852 request_ring = dma_alloc_coherent(&ha->pdev->dev, 853 (request_q_length + 1) * sizeof(request_t), &request_dma, 854 GFP_KERNEL); 855 if (request_ring == NULL) 856 return; 857 858 /* Resize successful, report extensions. */ 859 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", 860 (ha->fw_memory_size + 1) / 1024); 861 qla_printk(KERN_INFO, ha, "Resizing request queue depth " 862 "(%d -> %d)...\n", ha->request_q_length, request_q_length); 863 864 /* Clear old allocations. */ 865 dma_free_coherent(&ha->pdev->dev, 866 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, 867 ha->request_dma); 868 869 /* Begin using larger queue. */ 870 ha->request_q_length = request_q_length; 871 ha->request_ring = request_ring; 872 ha->request_dma = request_dma; 873 } 874 875 /** 876 * qla2x00_setup_chip() - Load and start RISC firmware. 877 * @ha: HA context 878 * 879 * Returns 0 on success. 880 */ 881 static int 882 qla2x00_setup_chip(scsi_qla_host_t *ha) 883 { 884 int rval; 885 uint32_t srisc_address = 0; 886 887 /* Load firmware sequences */ 888 rval = ha->isp_ops.load_risc(ha, &srisc_address); 889 if (rval == QLA_SUCCESS) { 890 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " 891 "code.\n", ha->host_no)); 892 893 rval = qla2x00_verify_checksum(ha, srisc_address); 894 if (rval == QLA_SUCCESS) { 895 /* Start firmware execution. */ 896 DEBUG(printk("scsi(%ld): Checksum OK, start " 897 "firmware.\n", ha->host_no)); 898 899 rval = qla2x00_execute_fw(ha, srisc_address); 900 /* Retrieve firmware information. */ 901 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { 902 qla2x00_get_fw_version(ha, 903 &ha->fw_major_version, 904 &ha->fw_minor_version, 905 &ha->fw_subminor_version, 906 &ha->fw_attributes, &ha->fw_memory_size); 907 qla2x00_resize_request_q(ha); 908 } 909 } else { 910 DEBUG2(printk(KERN_INFO 911 "scsi(%ld): ISP Firmware failed checksum.\n", 912 ha->host_no)); 913 } 914 } 915 916 if (rval) { 917 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", 918 ha->host_no)); 919 } 920 921 return (rval); 922 } 923 924 /** 925 * qla2x00_init_response_q_entries() - Initializes response queue entries. 926 * @ha: HA context 927 * 928 * Beginning of request ring has initialization control block already built 929 * by nvram config routine. 930 * 931 * Returns 0 on success. 932 */ 933 static void 934 qla2x00_init_response_q_entries(scsi_qla_host_t *ha) 935 { 936 uint16_t cnt; 937 response_t *pkt; 938 939 pkt = ha->response_ring_ptr; 940 for (cnt = 0; cnt < ha->response_q_length; cnt++) { 941 pkt->signature = RESPONSE_PROCESSED; 942 pkt++; 943 } 944 945 } 946 947 /** 948 * qla2x00_update_fw_options() - Read and process firmware options. 949 * @ha: HA context 950 * 951 * Returns 0 on success. 952 */ 953 void 954 qla2x00_update_fw_options(scsi_qla_host_t *ha) 955 { 956 uint16_t swing, emphasis, tx_sens, rx_sens; 957 958 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 959 qla2x00_get_fw_options(ha, ha->fw_options); 960 961 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 962 return; 963 964 /* Serial Link options. */ 965 DEBUG3(printk("scsi(%ld): Serial link options:\n", 966 ha->host_no)); 967 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, 968 sizeof(ha->fw_seriallink_options))); 969 970 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 971 if (ha->fw_seriallink_options[3] & BIT_2) { 972 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 973 974 /* 1G settings */ 975 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 976 emphasis = (ha->fw_seriallink_options[2] & 977 (BIT_4 | BIT_3)) >> 3; 978 tx_sens = ha->fw_seriallink_options[0] & 979 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 980 rx_sens = (ha->fw_seriallink_options[0] & 981 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 982 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 983 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 984 if (rx_sens == 0x0) 985 rx_sens = 0x3; 986 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 987 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 988 ha->fw_options[10] |= BIT_5 | 989 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 990 (tx_sens & (BIT_1 | BIT_0)); 991 992 /* 2G settings */ 993 swing = (ha->fw_seriallink_options[2] & 994 (BIT_7 | BIT_6 | BIT_5)) >> 5; 995 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 996 tx_sens = ha->fw_seriallink_options[1] & 997 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 998 rx_sens = (ha->fw_seriallink_options[1] & 999 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 1000 ha->fw_options[11] = (emphasis << 14) | (swing << 8); 1001 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 1002 if (rx_sens == 0x0) 1003 rx_sens = 0x3; 1004 ha->fw_options[11] |= (tx_sens << 4) | rx_sens; 1005 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1006 ha->fw_options[11] |= BIT_5 | 1007 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1008 (tx_sens & (BIT_1 | BIT_0)); 1009 } 1010 1011 /* FCP2 options. */ 1012 /* Return command IOCBs without waiting for an ABTS to complete. */ 1013 ha->fw_options[3] |= BIT_13; 1014 1015 /* LED scheme. */ 1016 if (ha->flags.enable_led_scheme) 1017 ha->fw_options[2] |= BIT_12; 1018 1019 /* Update firmware options. */ 1020 qla2x00_set_fw_options(ha, ha->fw_options); 1021 } 1022 1023 void 1024 qla24xx_update_fw_options(scsi_qla_host_t *ha) 1025 { 1026 int rval; 1027 1028 /* Update Serial Link options. */ 1029 if ((ha->fw_seriallink_options24[0] & BIT_0) == 0) 1030 return; 1031 1032 rval = qla2x00_set_serdes_params(ha, ha->fw_seriallink_options24[1], 1033 ha->fw_seriallink_options24[2], ha->fw_seriallink_options24[3]); 1034 if (rval != QLA_SUCCESS) { 1035 qla_printk(KERN_WARNING, ha, 1036 "Unable to update Serial Link options (%x).\n", rval); 1037 } 1038 } 1039 1040 void 1041 qla2x00_config_rings(struct scsi_qla_host *ha) 1042 { 1043 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1044 1045 /* Setup ring parameters in initialization control block. */ 1046 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); 1047 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); 1048 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); 1049 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); 1050 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1051 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1052 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1053 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1054 1055 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); 1056 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); 1057 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); 1058 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); 1059 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 1060 } 1061 1062 void 1063 qla24xx_config_rings(struct scsi_qla_host *ha) 1064 { 1065 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1066 struct init_cb_24xx *icb; 1067 1068 /* Setup ring parameters in initialization control block. */ 1069 icb = (struct init_cb_24xx *)ha->init_cb; 1070 icb->request_q_outpointer = __constant_cpu_to_le16(0); 1071 icb->response_q_inpointer = __constant_cpu_to_le16(0); 1072 icb->request_q_length = cpu_to_le16(ha->request_q_length); 1073 icb->response_q_length = cpu_to_le16(ha->response_q_length); 1074 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1075 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1076 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1077 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1078 1079 WRT_REG_DWORD(®->req_q_in, 0); 1080 WRT_REG_DWORD(®->req_q_out, 0); 1081 WRT_REG_DWORD(®->rsp_q_in, 0); 1082 WRT_REG_DWORD(®->rsp_q_out, 0); 1083 RD_REG_DWORD(®->rsp_q_out); 1084 } 1085 1086 /** 1087 * qla2x00_init_rings() - Initializes firmware. 1088 * @ha: HA context 1089 * 1090 * Beginning of request ring has initialization control block already built 1091 * by nvram config routine. 1092 * 1093 * Returns 0 on success. 1094 */ 1095 static int 1096 qla2x00_init_rings(scsi_qla_host_t *ha) 1097 { 1098 int rval; 1099 unsigned long flags = 0; 1100 int cnt; 1101 1102 spin_lock_irqsave(&ha->hardware_lock, flags); 1103 1104 /* Clear outstanding commands array. */ 1105 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) 1106 ha->outstanding_cmds[cnt] = NULL; 1107 1108 ha->current_outstanding_cmd = 0; 1109 1110 /* Clear RSCN queue. */ 1111 ha->rscn_in_ptr = 0; 1112 ha->rscn_out_ptr = 0; 1113 1114 /* Initialize firmware. */ 1115 ha->request_ring_ptr = ha->request_ring; 1116 ha->req_ring_index = 0; 1117 ha->req_q_cnt = ha->request_q_length; 1118 ha->response_ring_ptr = ha->response_ring; 1119 ha->rsp_ring_index = 0; 1120 1121 /* Initialize response queue entries */ 1122 qla2x00_init_response_q_entries(ha); 1123 1124 ha->isp_ops.config_rings(ha); 1125 1126 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1127 1128 /* Update any ISP specific firmware options before initialization. */ 1129 ha->isp_ops.update_fw_options(ha); 1130 1131 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); 1132 rval = qla2x00_init_firmware(ha, ha->init_cb_size); 1133 if (rval) { 1134 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", 1135 ha->host_no)); 1136 } else { 1137 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", 1138 ha->host_no)); 1139 } 1140 1141 return (rval); 1142 } 1143 1144 /** 1145 * qla2x00_fw_ready() - Waits for firmware ready. 1146 * @ha: HA context 1147 * 1148 * Returns 0 on success. 1149 */ 1150 static int 1151 qla2x00_fw_ready(scsi_qla_host_t *ha) 1152 { 1153 int rval; 1154 unsigned long wtime, mtime; 1155 uint16_t min_wait; /* Minimum wait time if loop is down */ 1156 uint16_t wait_time; /* Wait time if loop is coming ready */ 1157 uint16_t fw_state; 1158 1159 rval = QLA_SUCCESS; 1160 1161 /* 20 seconds for loop down. */ 1162 min_wait = 20; 1163 1164 /* 1165 * Firmware should take at most one RATOV to login, plus 5 seconds for 1166 * our own processing. 1167 */ 1168 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 1169 wait_time = min_wait; 1170 } 1171 1172 /* Min wait time if loop down */ 1173 mtime = jiffies + (min_wait * HZ); 1174 1175 /* wait time before firmware ready */ 1176 wtime = jiffies + (wait_time * HZ); 1177 1178 /* Wait for ISP to finish LIP */ 1179 if (!ha->flags.init_done) 1180 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); 1181 1182 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", 1183 ha->host_no)); 1184 1185 do { 1186 rval = qla2x00_get_firmware_state(ha, &fw_state); 1187 if (rval == QLA_SUCCESS) { 1188 if (fw_state < FSTATE_LOSS_OF_SYNC) { 1189 ha->device_flags &= ~DFLG_NO_CABLE; 1190 } 1191 if (fw_state == FSTATE_READY) { 1192 DEBUG(printk("scsi(%ld): F/W Ready - OK \n", 1193 ha->host_no)); 1194 1195 qla2x00_get_retry_cnt(ha, &ha->retry_count, 1196 &ha->login_timeout, &ha->r_a_tov); 1197 1198 rval = QLA_SUCCESS; 1199 break; 1200 } 1201 1202 rval = QLA_FUNCTION_FAILED; 1203 1204 if (atomic_read(&ha->loop_down_timer) && 1205 (fw_state >= FSTATE_LOSS_OF_SYNC || 1206 fw_state == FSTATE_WAIT_AL_PA)) { 1207 /* Loop down. Timeout on min_wait for states 1208 * other than Wait for Login. 1209 */ 1210 if (time_after_eq(jiffies, mtime)) { 1211 qla_printk(KERN_INFO, ha, 1212 "Cable is unplugged...\n"); 1213 1214 ha->device_flags |= DFLG_NO_CABLE; 1215 break; 1216 } 1217 } 1218 } else { 1219 /* Mailbox cmd failed. Timeout on min_wait. */ 1220 if (time_after_eq(jiffies, mtime)) 1221 break; 1222 } 1223 1224 if (time_after_eq(jiffies, wtime)) 1225 break; 1226 1227 /* Delay for a while */ 1228 msleep(500); 1229 1230 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1231 ha->host_no, fw_state, jiffies)); 1232 } while (1); 1233 1234 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1235 ha->host_no, fw_state, jiffies)); 1236 1237 if (rval) { 1238 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", 1239 ha->host_no)); 1240 } 1241 1242 return (rval); 1243 } 1244 1245 /* 1246 * qla2x00_configure_hba 1247 * Setup adapter context. 1248 * 1249 * Input: 1250 * ha = adapter state pointer. 1251 * 1252 * Returns: 1253 * 0 = success 1254 * 1255 * Context: 1256 * Kernel context. 1257 */ 1258 static int 1259 qla2x00_configure_hba(scsi_qla_host_t *ha) 1260 { 1261 int rval; 1262 uint16_t loop_id; 1263 uint16_t topo; 1264 uint8_t al_pa; 1265 uint8_t area; 1266 uint8_t domain; 1267 char connect_type[22]; 1268 1269 /* Get host addresses. */ 1270 rval = qla2x00_get_adapter_id(ha, 1271 &loop_id, &al_pa, &area, &domain, &topo); 1272 if (rval != QLA_SUCCESS) { 1273 qla_printk(KERN_WARNING, ha, 1274 "ERROR -- Unable to get host loop ID.\n"); 1275 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 1276 return (rval); 1277 } 1278 1279 if (topo == 4) { 1280 qla_printk(KERN_INFO, ha, 1281 "Cannot get topology - retrying.\n"); 1282 return (QLA_FUNCTION_FAILED); 1283 } 1284 1285 ha->loop_id = loop_id; 1286 1287 /* initialize */ 1288 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 1289 ha->operating_mode = LOOP; 1290 1291 switch (topo) { 1292 case 0: 1293 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", 1294 ha->host_no)); 1295 ha->current_topology = ISP_CFG_NL; 1296 strcpy(connect_type, "(Loop)"); 1297 break; 1298 1299 case 1: 1300 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", 1301 ha->host_no)); 1302 ha->current_topology = ISP_CFG_FL; 1303 strcpy(connect_type, "(FL_Port)"); 1304 break; 1305 1306 case 2: 1307 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", 1308 ha->host_no)); 1309 ha->operating_mode = P2P; 1310 ha->current_topology = ISP_CFG_N; 1311 strcpy(connect_type, "(N_Port-to-N_Port)"); 1312 break; 1313 1314 case 3: 1315 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", 1316 ha->host_no)); 1317 ha->operating_mode = P2P; 1318 ha->current_topology = ISP_CFG_F; 1319 strcpy(connect_type, "(F_Port)"); 1320 break; 1321 1322 default: 1323 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " 1324 "Using NL.\n", 1325 ha->host_no, topo)); 1326 ha->current_topology = ISP_CFG_NL; 1327 strcpy(connect_type, "(Loop)"); 1328 break; 1329 } 1330 1331 /* Save Host port and loop ID. */ 1332 /* byte order - Big Endian */ 1333 ha->d_id.b.domain = domain; 1334 ha->d_id.b.area = area; 1335 ha->d_id.b.al_pa = al_pa; 1336 1337 if (!ha->flags.init_done) 1338 qla_printk(KERN_INFO, ha, 1339 "Topology - %s, Host Loop address 0x%x\n", 1340 connect_type, ha->loop_id); 1341 1342 if (rval) { 1343 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); 1344 } else { 1345 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); 1346 } 1347 1348 return(rval); 1349 } 1350 1351 /* 1352 * NVRAM configuration for ISP 2xxx 1353 * 1354 * Input: 1355 * ha = adapter block pointer. 1356 * 1357 * Output: 1358 * initialization control block in response_ring 1359 * host adapters parameters in host adapter block 1360 * 1361 * Returns: 1362 * 0 = success. 1363 */ 1364 int 1365 qla2x00_nvram_config(scsi_qla_host_t *ha) 1366 { 1367 int rval; 1368 uint8_t chksum = 0; 1369 uint16_t cnt; 1370 uint8_t *dptr1, *dptr2; 1371 init_cb_t *icb = ha->init_cb; 1372 nvram_t *nv = (nvram_t *)ha->request_ring; 1373 uint8_t *ptr = (uint8_t *)ha->request_ring; 1374 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1375 uint8_t timer_mode; 1376 1377 rval = QLA_SUCCESS; 1378 1379 /* Determine NVRAM starting address. */ 1380 ha->nvram_size = sizeof(nvram_t); 1381 ha->nvram_base = 0; 1382 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 1383 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) 1384 ha->nvram_base = 0x80; 1385 1386 /* Get NVRAM data and calculate checksum. */ 1387 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size); 1388 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 1389 chksum += *ptr++; 1390 1391 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 1392 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, 1393 ha->nvram_size)); 1394 1395 /* Bad NVRAM data, set defaults parameters. */ 1396 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || 1397 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { 1398 /* Reset NVRAM data. */ 1399 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 1400 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 1401 nv->nvram_version); 1402 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 1403 "invalid -- WWPN) defaults.\n"); 1404 1405 /* 1406 * Set default initialization control block. 1407 */ 1408 memset(nv, 0, ha->nvram_size); 1409 nv->parameter_block_version = ICB_VERSION; 1410 1411 if (IS_QLA23XX(ha)) { 1412 nv->firmware_options[0] = BIT_2 | BIT_1; 1413 nv->firmware_options[1] = BIT_7 | BIT_5; 1414 nv->add_firmware_options[0] = BIT_5; 1415 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1416 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1417 nv->special_options[1] = BIT_7; 1418 } else if (IS_QLA2200(ha)) { 1419 nv->firmware_options[0] = BIT_2 | BIT_1; 1420 nv->firmware_options[1] = BIT_7 | BIT_5; 1421 nv->add_firmware_options[0] = BIT_5; 1422 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1423 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1424 } else if (IS_QLA2100(ha)) { 1425 nv->firmware_options[0] = BIT_3 | BIT_1; 1426 nv->firmware_options[1] = BIT_5; 1427 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1428 } 1429 1430 nv->max_iocb_allocation = __constant_cpu_to_le16(256); 1431 nv->execution_throttle = __constant_cpu_to_le16(16); 1432 nv->retry_count = 8; 1433 nv->retry_delay = 1; 1434 1435 nv->port_name[0] = 33; 1436 nv->port_name[3] = 224; 1437 nv->port_name[4] = 139; 1438 1439 nv->login_timeout = 4; 1440 1441 /* 1442 * Set default host adapter parameters 1443 */ 1444 nv->host_p[1] = BIT_2; 1445 nv->reset_delay = 5; 1446 nv->port_down_retry_count = 8; 1447 nv->max_luns_per_target = __constant_cpu_to_le16(8); 1448 nv->link_down_timeout = 60; 1449 1450 rval = 1; 1451 } 1452 1453 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) 1454 /* 1455 * The SN2 does not provide BIOS emulation which means you can't change 1456 * potentially bogus BIOS settings. Force the use of default settings 1457 * for link rate and frame size. Hope that the rest of the settings 1458 * are valid. 1459 */ 1460 if (ia64_platform_is("sn2")) { 1461 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1462 if (IS_QLA23XX(ha)) 1463 nv->special_options[1] = BIT_7; 1464 } 1465 #endif 1466 1467 /* Reset Initialization control block */ 1468 memset(icb, 0, ha->init_cb_size); 1469 1470 /* 1471 * Setup driver NVRAM options. 1472 */ 1473 nv->firmware_options[0] |= (BIT_6 | BIT_1); 1474 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 1475 nv->firmware_options[1] |= (BIT_5 | BIT_0); 1476 nv->firmware_options[1] &= ~BIT_4; 1477 1478 if (IS_QLA23XX(ha)) { 1479 nv->firmware_options[0] |= BIT_2; 1480 nv->firmware_options[0] &= ~BIT_3; 1481 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 1482 1483 if (IS_QLA2300(ha)) { 1484 if (ha->fb_rev == FPM_2310) { 1485 strcpy(ha->model_number, "QLA2310"); 1486 } else { 1487 strcpy(ha->model_number, "QLA2300"); 1488 } 1489 } else { 1490 if (rval == 0 && 1491 memcmp(nv->model_number, BINZERO, 1492 sizeof(nv->model_number)) != 0) { 1493 char *st, *en; 1494 1495 strncpy(ha->model_number, nv->model_number, 1496 sizeof(nv->model_number)); 1497 st = en = ha->model_number; 1498 en += sizeof(nv->model_number) - 1; 1499 while (en > st) { 1500 if (*en != 0x20 && *en != 0x00) 1501 break; 1502 *en-- = '\0'; 1503 } 1504 } else { 1505 uint16_t index; 1506 1507 index = (ha->pdev->subsystem_device & 0xff); 1508 if (index < QLA_MODEL_NAMES) { 1509 strcpy(ha->model_number, 1510 qla2x00_model_name[index]); 1511 ha->model_desc = 1512 qla2x00_model_desc[index]; 1513 } else { 1514 strcpy(ha->model_number, "QLA23xx"); 1515 } 1516 } 1517 } 1518 } else if (IS_QLA2200(ha)) { 1519 nv->firmware_options[0] |= BIT_2; 1520 /* 1521 * 'Point-to-point preferred, else loop' is not a safe 1522 * connection mode setting. 1523 */ 1524 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 1525 (BIT_5 | BIT_4)) { 1526 /* Force 'loop preferred, else point-to-point'. */ 1527 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 1528 nv->add_firmware_options[0] |= BIT_5; 1529 } 1530 strcpy(ha->model_number, "QLA22xx"); 1531 } else /*if (IS_QLA2100(ha))*/ { 1532 strcpy(ha->model_number, "QLA2100"); 1533 } 1534 1535 /* 1536 * Copy over NVRAM RISC parameter block to initialization control block. 1537 */ 1538 dptr1 = (uint8_t *)icb; 1539 dptr2 = (uint8_t *)&nv->parameter_block_version; 1540 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 1541 while (cnt--) 1542 *dptr1++ = *dptr2++; 1543 1544 /* Copy 2nd half. */ 1545 dptr1 = (uint8_t *)icb->add_firmware_options; 1546 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 1547 while (cnt--) 1548 *dptr1++ = *dptr2++; 1549 1550 /* Prepare nodename */ 1551 if ((icb->firmware_options[1] & BIT_6) == 0) { 1552 /* 1553 * Firmware will apply the following mask if the nodename was 1554 * not provided. 1555 */ 1556 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 1557 icb->node_name[0] &= 0xF0; 1558 } 1559 1560 /* 1561 * Set host adapter parameters. 1562 */ 1563 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 1564 /* Always load RISC code on non ISP2[12]00 chips. */ 1565 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 1566 ha->flags.disable_risc_code_load = 0; 1567 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 1568 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 1569 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 1570 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; 1571 1572 ha->operating_mode = 1573 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 1574 1575 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 1576 sizeof(ha->fw_seriallink_options)); 1577 1578 /* save HBA serial number */ 1579 ha->serial0 = icb->port_name[5]; 1580 ha->serial1 = icb->port_name[6]; 1581 ha->serial2 = icb->port_name[7]; 1582 ha->node_name = icb->node_name; 1583 ha->port_name = icb->port_name; 1584 1585 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 1586 1587 ha->retry_count = nv->retry_count; 1588 1589 /* Set minimum login_timeout to 4 seconds. */ 1590 if (nv->login_timeout < ql2xlogintimeout) 1591 nv->login_timeout = ql2xlogintimeout; 1592 if (nv->login_timeout < 4) 1593 nv->login_timeout = 4; 1594 ha->login_timeout = nv->login_timeout; 1595 icb->login_timeout = nv->login_timeout; 1596 1597 /* Set minimum RATOV to 200 tenths of a second. */ 1598 ha->r_a_tov = 200; 1599 1600 ha->loop_reset_delay = nv->reset_delay; 1601 1602 /* Link Down Timeout = 0: 1603 * 1604 * When Port Down timer expires we will start returning 1605 * I/O's to OS with "DID_NO_CONNECT". 1606 * 1607 * Link Down Timeout != 0: 1608 * 1609 * The driver waits for the link to come up after link down 1610 * before returning I/Os to OS with "DID_NO_CONNECT". 1611 */ 1612 if (nv->link_down_timeout == 0) { 1613 ha->loop_down_abort_time = 1614 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 1615 } else { 1616 ha->link_down_timeout = nv->link_down_timeout; 1617 ha->loop_down_abort_time = 1618 (LOOP_DOWN_TIME - ha->link_down_timeout); 1619 } 1620 1621 /* 1622 * Need enough time to try and get the port back. 1623 */ 1624 ha->port_down_retry_count = nv->port_down_retry_count; 1625 if (qlport_down_retry) 1626 ha->port_down_retry_count = qlport_down_retry; 1627 /* Set login_retry_count */ 1628 ha->login_retry_count = nv->retry_count; 1629 if (ha->port_down_retry_count == nv->port_down_retry_count && 1630 ha->port_down_retry_count > 3) 1631 ha->login_retry_count = ha->port_down_retry_count; 1632 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 1633 ha->login_retry_count = ha->port_down_retry_count; 1634 if (ql2xloginretrycount) 1635 ha->login_retry_count = ql2xloginretrycount; 1636 1637 icb->lun_enables = __constant_cpu_to_le16(0); 1638 icb->command_resource_count = 0; 1639 icb->immediate_notify_resource_count = 0; 1640 icb->timeout = __constant_cpu_to_le16(0); 1641 1642 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 1643 /* Enable RIO */ 1644 icb->firmware_options[0] &= ~BIT_3; 1645 icb->add_firmware_options[0] &= 1646 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1647 icb->add_firmware_options[0] |= BIT_2; 1648 icb->response_accumulation_timer = 3; 1649 icb->interrupt_delay_timer = 5; 1650 1651 ha->flags.process_response_queue = 1; 1652 } else { 1653 /* Enable ZIO -- Support mode 5 only. */ 1654 timer_mode = icb->add_firmware_options[0] & 1655 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1656 icb->add_firmware_options[0] &= 1657 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1658 if (ql2xenablezio) 1659 timer_mode = BIT_2 | BIT_0; 1660 if (timer_mode == (BIT_2 | BIT_0)) { 1661 DEBUG2(printk("scsi(%ld): ZIO enabled; timer delay " 1662 "(%d).\n", ha->host_no, ql2xintrdelaytimer)); 1663 qla_printk(KERN_INFO, ha, 1664 "ZIO enabled; timer delay (%d).\n", 1665 ql2xintrdelaytimer); 1666 1667 icb->add_firmware_options[0] |= timer_mode; 1668 icb->interrupt_delay_timer = ql2xintrdelaytimer; 1669 ha->flags.process_response_queue = 1; 1670 } 1671 } 1672 1673 if (rval) { 1674 DEBUG2_3(printk(KERN_WARNING 1675 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 1676 } 1677 return (rval); 1678 } 1679 1680 /** 1681 * qla2x00_alloc_fcport() - Allocate a generic fcport. 1682 * @ha: HA context 1683 * @flags: allocation flags 1684 * 1685 * Returns a pointer to the allocated fcport, or NULL, if none available. 1686 */ 1687 fc_port_t * 1688 qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags) 1689 { 1690 fc_port_t *fcport; 1691 1692 fcport = kmalloc(sizeof(fc_port_t), flags); 1693 if (fcport == NULL) 1694 return (fcport); 1695 1696 /* Setup fcport template structure. */ 1697 memset(fcport, 0, sizeof (fc_port_t)); 1698 fcport->ha = ha; 1699 fcport->port_type = FCT_UNKNOWN; 1700 fcport->loop_id = FC_NO_LOOP_ID; 1701 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX; 1702 atomic_set(&fcport->state, FCS_UNCONFIGURED); 1703 fcport->flags = FCF_RLC_SUPPORT; 1704 fcport->supported_classes = FC_COS_UNSPECIFIED; 1705 1706 return (fcport); 1707 } 1708 1709 /* 1710 * qla2x00_configure_loop 1711 * Updates Fibre Channel Device Database with what is actually on loop. 1712 * 1713 * Input: 1714 * ha = adapter block pointer. 1715 * 1716 * Returns: 1717 * 0 = success. 1718 * 1 = error. 1719 * 2 = database was full and device was not configured. 1720 */ 1721 static int 1722 qla2x00_configure_loop(scsi_qla_host_t *ha) 1723 { 1724 int rval; 1725 unsigned long flags, save_flags; 1726 1727 rval = QLA_SUCCESS; 1728 1729 /* Get Initiator ID */ 1730 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { 1731 rval = qla2x00_configure_hba(ha); 1732 if (rval != QLA_SUCCESS) { 1733 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", 1734 ha->host_no)); 1735 return (rval); 1736 } 1737 } 1738 1739 save_flags = flags = ha->dpc_flags; 1740 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", 1741 ha->host_no, flags)); 1742 1743 /* 1744 * If we have both an RSCN and PORT UPDATE pending then handle them 1745 * both at the same time. 1746 */ 1747 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1748 clear_bit(RSCN_UPDATE, &ha->dpc_flags); 1749 1750 /* Determine what we need to do */ 1751 if (ha->current_topology == ISP_CFG_FL && 1752 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1753 1754 ha->flags.rscn_queue_overflow = 1; 1755 set_bit(RSCN_UPDATE, &flags); 1756 1757 } else if (ha->current_topology == ISP_CFG_F && 1758 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1759 1760 ha->flags.rscn_queue_overflow = 1; 1761 set_bit(RSCN_UPDATE, &flags); 1762 clear_bit(LOCAL_LOOP_UPDATE, &flags); 1763 1764 } else if (!ha->flags.online || 1765 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 1766 1767 ha->flags.rscn_queue_overflow = 1; 1768 set_bit(RSCN_UPDATE, &flags); 1769 set_bit(LOCAL_LOOP_UPDATE, &flags); 1770 } 1771 1772 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 1773 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1774 rval = QLA_FUNCTION_FAILED; 1775 } else { 1776 rval = qla2x00_configure_local_loop(ha); 1777 } 1778 } 1779 1780 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 1781 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1782 rval = QLA_FUNCTION_FAILED; 1783 } else { 1784 rval = qla2x00_configure_fabric(ha); 1785 } 1786 } 1787 1788 if (rval == QLA_SUCCESS) { 1789 if (atomic_read(&ha->loop_down_timer) || 1790 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1791 rval = QLA_FUNCTION_FAILED; 1792 } else { 1793 atomic_set(&ha->loop_state, LOOP_READY); 1794 1795 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); 1796 } 1797 } 1798 1799 if (rval) { 1800 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", 1801 __func__, ha->host_no)); 1802 } else { 1803 DEBUG3(printk("%s: exiting normally\n", __func__)); 1804 } 1805 1806 /* Restore state if a resync event occured during processing */ 1807 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1808 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 1809 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1810 if (test_bit(RSCN_UPDATE, &save_flags)) 1811 set_bit(RSCN_UPDATE, &ha->dpc_flags); 1812 } 1813 1814 return (rval); 1815 } 1816 1817 1818 1819 /* 1820 * qla2x00_configure_local_loop 1821 * Updates Fibre Channel Device Database with local loop devices. 1822 * 1823 * Input: 1824 * ha = adapter block pointer. 1825 * 1826 * Returns: 1827 * 0 = success. 1828 */ 1829 static int 1830 qla2x00_configure_local_loop(scsi_qla_host_t *ha) 1831 { 1832 int rval, rval2; 1833 int found_devs; 1834 int found; 1835 fc_port_t *fcport, *new_fcport; 1836 1837 uint16_t index; 1838 uint16_t entries; 1839 char *id_iter; 1840 uint16_t loop_id; 1841 uint8_t domain, area, al_pa; 1842 1843 found_devs = 0; 1844 new_fcport = NULL; 1845 entries = MAX_FIBRE_DEVICES; 1846 1847 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); 1848 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); 1849 1850 /* Get list of logged in devices. */ 1851 memset(ha->gid_list, 0, GID_LIST_SIZE); 1852 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, 1853 &entries); 1854 if (rval != QLA_SUCCESS) 1855 goto cleanup_allocation; 1856 1857 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", 1858 ha->host_no, entries)); 1859 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, 1860 entries * sizeof(struct gid_list_info))); 1861 1862 /* Allocate temporary fcport for any new fcports discovered. */ 1863 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 1864 if (new_fcport == NULL) { 1865 rval = QLA_MEMORY_ALLOC_FAILED; 1866 goto cleanup_allocation; 1867 } 1868 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 1869 1870 /* 1871 * Mark local devices that were present with FCF_DEVICE_LOST for now. 1872 */ 1873 list_for_each_entry(fcport, &ha->fcports, list) { 1874 if (atomic_read(&fcport->state) == FCS_ONLINE && 1875 fcport->port_type != FCT_BROADCAST && 1876 (fcport->flags & FCF_FABRIC_DEVICE) == 0) { 1877 1878 DEBUG(printk("scsi(%ld): Marking port lost, " 1879 "loop_id=0x%04x\n", 1880 ha->host_no, fcport->loop_id)); 1881 1882 atomic_set(&fcport->state, FCS_DEVICE_LOST); 1883 fcport->flags &= ~FCF_FARP_DONE; 1884 } 1885 } 1886 1887 /* Add devices to port list. */ 1888 id_iter = (char *)ha->gid_list; 1889 for (index = 0; index < entries; index++) { 1890 domain = ((struct gid_list_info *)id_iter)->domain; 1891 area = ((struct gid_list_info *)id_iter)->area; 1892 al_pa = ((struct gid_list_info *)id_iter)->al_pa; 1893 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1894 loop_id = (uint16_t) 1895 ((struct gid_list_info *)id_iter)->loop_id_2100; 1896 else 1897 loop_id = le16_to_cpu( 1898 ((struct gid_list_info *)id_iter)->loop_id); 1899 id_iter += ha->gid_list_info_size; 1900 1901 /* Bypass reserved domain fields. */ 1902 if ((domain & 0xf0) == 0xf0) 1903 continue; 1904 1905 /* Bypass if not same domain and area of adapter. */ 1906 if (area && domain && 1907 (area != ha->d_id.b.area || domain != ha->d_id.b.domain)) 1908 continue; 1909 1910 /* Bypass invalid local loop ID. */ 1911 if (loop_id > LAST_LOCAL_LOOP_ID) 1912 continue; 1913 1914 /* Fill in member data. */ 1915 new_fcport->d_id.b.domain = domain; 1916 new_fcport->d_id.b.area = area; 1917 new_fcport->d_id.b.al_pa = al_pa; 1918 new_fcport->loop_id = loop_id; 1919 rval2 = qla2x00_get_port_database(ha, new_fcport, 0); 1920 if (rval2 != QLA_SUCCESS) { 1921 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " 1922 "information -- get_port_database=%x, " 1923 "loop_id=0x%04x\n", 1924 ha->host_no, rval2, new_fcport->loop_id)); 1925 continue; 1926 } 1927 1928 /* Check for matching device in port list. */ 1929 found = 0; 1930 fcport = NULL; 1931 list_for_each_entry(fcport, &ha->fcports, list) { 1932 if (memcmp(new_fcport->port_name, fcport->port_name, 1933 WWN_SIZE)) 1934 continue; 1935 1936 fcport->flags &= ~(FCF_FABRIC_DEVICE | 1937 FCF_PERSISTENT_BOUND); 1938 fcport->loop_id = new_fcport->loop_id; 1939 fcport->port_type = new_fcport->port_type; 1940 fcport->d_id.b24 = new_fcport->d_id.b24; 1941 memcpy(fcport->node_name, new_fcport->node_name, 1942 WWN_SIZE); 1943 1944 found++; 1945 break; 1946 } 1947 1948 if (!found) { 1949 /* New device, add to fcports list. */ 1950 new_fcport->flags &= ~FCF_PERSISTENT_BOUND; 1951 list_add_tail(&new_fcport->list, &ha->fcports); 1952 1953 /* Allocate a new replacement fcport. */ 1954 fcport = new_fcport; 1955 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 1956 if (new_fcport == NULL) { 1957 rval = QLA_MEMORY_ALLOC_FAILED; 1958 goto cleanup_allocation; 1959 } 1960 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 1961 } 1962 1963 qla2x00_update_fcport(ha, fcport); 1964 1965 found_devs++; 1966 } 1967 1968 cleanup_allocation: 1969 if (new_fcport) 1970 kfree(new_fcport); 1971 1972 if (rval != QLA_SUCCESS) { 1973 DEBUG2(printk("scsi(%ld): Configure local loop error exit: " 1974 "rval=%x\n", ha->host_no, rval)); 1975 } 1976 1977 if (found_devs) { 1978 ha->device_flags |= DFLG_LOCAL_DEVICES; 1979 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; 1980 } 1981 1982 return (rval); 1983 } 1984 1985 static void 1986 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) 1987 { 1988 fc_port_t *fcport; 1989 1990 qla2x00_mark_all_devices_lost(ha); 1991 list_for_each_entry(fcport, &ha->fcports, list) { 1992 if (fcport->port_type != FCT_TARGET) 1993 continue; 1994 1995 qla2x00_update_fcport(ha, fcport); 1996 } 1997 } 1998 1999 /* 2000 * qla2x00_update_fcport 2001 * Updates device on list. 2002 * 2003 * Input: 2004 * ha = adapter block pointer. 2005 * fcport = port structure pointer. 2006 * 2007 * Return: 2008 * 0 - Success 2009 * BIT_0 - error 2010 * 2011 * Context: 2012 * Kernel context. 2013 */ 2014 static void 2015 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2016 { 2017 uint16_t index; 2018 unsigned long flags; 2019 srb_t *sp; 2020 2021 fcport->ha = ha; 2022 fcport->login_retry = 0; 2023 fcport->port_login_retry_count = ha->port_down_retry_count * 2024 PORT_RETRY_TIME; 2025 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count * 2026 PORT_RETRY_TIME); 2027 fcport->flags &= ~FCF_LOGIN_NEEDED; 2028 2029 /* 2030 * Check for outstanding cmd on tape Bypass LUN discovery if active 2031 * command on tape. 2032 */ 2033 if (fcport->flags & FCF_TAPE_PRESENT) { 2034 spin_lock_irqsave(&ha->hardware_lock, flags); 2035 for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { 2036 fc_port_t *sfcp; 2037 2038 if ((sp = ha->outstanding_cmds[index]) != 0) { 2039 sfcp = sp->fcport; 2040 if (sfcp == fcport) { 2041 atomic_set(&fcport->state, FCS_ONLINE); 2042 spin_unlock_irqrestore( 2043 &ha->hardware_lock, flags); 2044 return; 2045 } 2046 } 2047 } 2048 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2049 } 2050 2051 if (fcport->port_type == FCT_INITIATOR || 2052 fcport->port_type == FCT_BROADCAST) 2053 fcport->device_type = TYPE_PROCESSOR; 2054 2055 atomic_set(&fcport->state, FCS_ONLINE); 2056 2057 if (ha->flags.init_done) 2058 qla2x00_reg_remote_port(ha, fcport); 2059 } 2060 2061 void 2062 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 2063 { 2064 struct fc_rport_identifiers rport_ids; 2065 struct fc_rport *rport; 2066 2067 if (fcport->rport) { 2068 fc_remote_port_unblock(fcport->rport); 2069 return; 2070 } 2071 2072 rport_ids.node_name = wwn_to_u64(fcport->node_name); 2073 rport_ids.port_name = wwn_to_u64(fcport->port_name); 2074 rport_ids.port_id = fcport->d_id.b.domain << 16 | 2075 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 2076 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2077 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids); 2078 if (!rport) { 2079 qla_printk(KERN_WARNING, ha, 2080 "Unable to allocate fc remote port!\n"); 2081 return; 2082 } 2083 rport->dd_data = fcport; 2084 rport->supported_classes = fcport->supported_classes; 2085 2086 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2087 if (fcport->port_type == FCT_INITIATOR) 2088 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; 2089 if (fcport->port_type == FCT_TARGET) 2090 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 2091 fc_remote_port_rolechg(rport, rport_ids.roles); 2092 2093 if (rport->scsi_target_id != -1 && 2094 rport->scsi_target_id < ha->host->max_id) 2095 fcport->os_target_id = rport->scsi_target_id; 2096 } 2097 2098 /* 2099 * qla2x00_configure_fabric 2100 * Setup SNS devices with loop ID's. 2101 * 2102 * Input: 2103 * ha = adapter block pointer. 2104 * 2105 * Returns: 2106 * 0 = success. 2107 * BIT_0 = error 2108 */ 2109 static int 2110 qla2x00_configure_fabric(scsi_qla_host_t *ha) 2111 { 2112 int rval, rval2; 2113 fc_port_t *fcport, *fcptemp; 2114 uint16_t next_loopid; 2115 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2116 uint16_t loop_id; 2117 LIST_HEAD(new_fcports); 2118 2119 /* If FL port exists, then SNS is present */ 2120 if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) 2121 loop_id = NPH_F_PORT; 2122 else 2123 loop_id = SNS_FL_PORT; 2124 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0); 2125 if (rval != QLA_SUCCESS) { 2126 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " 2127 "Port\n", ha->host_no)); 2128 2129 ha->device_flags &= ~SWITCH_FOUND; 2130 return (QLA_SUCCESS); 2131 } 2132 2133 /* Mark devices that need re-synchronization. */ 2134 rval2 = qla2x00_device_resync(ha); 2135 if (rval2 == QLA_RSCNS_HANDLED) { 2136 /* No point doing the scan, just continue. */ 2137 return (QLA_SUCCESS); 2138 } 2139 do { 2140 /* FDMI support. */ 2141 if (ql2xfdmienable && 2142 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags)) 2143 qla2x00_fdmi_register(ha); 2144 2145 /* Ensure we are logged into the SNS. */ 2146 if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) 2147 loop_id = NPH_SNS; 2148 else 2149 loop_id = SIMPLE_NAME_SERVER; 2150 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff, 2151 0xfc, mb, BIT_1 | BIT_0); 2152 if (mb[0] != MBS_COMMAND_COMPLETE) { 2153 DEBUG2(qla_printk(KERN_INFO, ha, 2154 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 2155 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, 2156 mb[0], mb[1], mb[2], mb[6], mb[7])); 2157 return (QLA_SUCCESS); 2158 } 2159 2160 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { 2161 if (qla2x00_rft_id(ha)) { 2162 /* EMPTY */ 2163 DEBUG2(printk("scsi(%ld): Register FC-4 " 2164 "TYPE failed.\n", ha->host_no)); 2165 } 2166 if (qla2x00_rff_id(ha)) { 2167 /* EMPTY */ 2168 DEBUG2(printk("scsi(%ld): Register FC-4 " 2169 "Features failed.\n", ha->host_no)); 2170 } 2171 if (qla2x00_rnn_id(ha)) { 2172 /* EMPTY */ 2173 DEBUG2(printk("scsi(%ld): Register Node Name " 2174 "failed.\n", ha->host_no)); 2175 } else if (qla2x00_rsnn_nn(ha)) { 2176 /* EMPTY */ 2177 DEBUG2(printk("scsi(%ld): Register Symbolic " 2178 "Node Name failed.\n", ha->host_no)); 2179 } 2180 } 2181 2182 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); 2183 if (rval != QLA_SUCCESS) 2184 break; 2185 2186 /* 2187 * Logout all previous fabric devices marked lost, except 2188 * tape devices. 2189 */ 2190 list_for_each_entry(fcport, &ha->fcports, list) { 2191 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2192 break; 2193 2194 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 2195 continue; 2196 2197 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 2198 qla2x00_mark_device_lost(ha, fcport, 2199 ql2xplogiabsentdevice); 2200 if (fcport->loop_id != FC_NO_LOOP_ID && 2201 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2202 fcport->port_type != FCT_INITIATOR && 2203 fcport->port_type != FCT_BROADCAST) { 2204 2205 ha->isp_ops.fabric_logout(ha, 2206 fcport->loop_id, 2207 fcport->d_id.b.domain, 2208 fcport->d_id.b.area, 2209 fcport->d_id.b.al_pa); 2210 fcport->loop_id = FC_NO_LOOP_ID; 2211 } 2212 } 2213 } 2214 2215 /* Starting free loop ID. */ 2216 next_loopid = ha->min_external_loopid; 2217 2218 /* 2219 * Scan through our port list and login entries that need to be 2220 * logged in. 2221 */ 2222 list_for_each_entry(fcport, &ha->fcports, list) { 2223 if (atomic_read(&ha->loop_down_timer) || 2224 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2225 break; 2226 2227 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2228 (fcport->flags & FCF_LOGIN_NEEDED) == 0) 2229 continue; 2230 2231 if (fcport->loop_id == FC_NO_LOOP_ID) { 2232 fcport->loop_id = next_loopid; 2233 rval = qla2x00_find_new_loop_id(ha, fcport); 2234 if (rval != QLA_SUCCESS) { 2235 /* Ran out of IDs to use */ 2236 break; 2237 } 2238 } 2239 /* Login and update database */ 2240 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2241 } 2242 2243 /* Exit if out of loop IDs. */ 2244 if (rval != QLA_SUCCESS) { 2245 break; 2246 } 2247 2248 /* 2249 * Login and add the new devices to our port list. 2250 */ 2251 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2252 if (atomic_read(&ha->loop_down_timer) || 2253 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2254 break; 2255 2256 /* Find a new loop ID to use. */ 2257 fcport->loop_id = next_loopid; 2258 rval = qla2x00_find_new_loop_id(ha, fcport); 2259 if (rval != QLA_SUCCESS) { 2260 /* Ran out of IDs to use */ 2261 break; 2262 } 2263 2264 /* Remove device from the new list and add it to DB */ 2265 list_del(&fcport->list); 2266 list_add_tail(&fcport->list, &ha->fcports); 2267 2268 /* Login and update database */ 2269 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2270 } 2271 } while (0); 2272 2273 /* Free all new device structures not processed. */ 2274 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2275 list_del(&fcport->list); 2276 kfree(fcport); 2277 } 2278 2279 if (rval) { 2280 DEBUG2(printk("scsi(%ld): Configure fabric error exit: " 2281 "rval=%d\n", ha->host_no, rval)); 2282 } 2283 2284 return (rval); 2285 } 2286 2287 2288 /* 2289 * qla2x00_find_all_fabric_devs 2290 * 2291 * Input: 2292 * ha = adapter block pointer. 2293 * dev = database device entry pointer. 2294 * 2295 * Returns: 2296 * 0 = success. 2297 * 2298 * Context: 2299 * Kernel context. 2300 */ 2301 static int 2302 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) 2303 { 2304 int rval; 2305 uint16_t loop_id; 2306 fc_port_t *fcport, *new_fcport, *fcptemp; 2307 int found; 2308 2309 sw_info_t *swl; 2310 int swl_idx; 2311 int first_dev, last_dev; 2312 port_id_t wrap, nxt_d_id; 2313 2314 rval = QLA_SUCCESS; 2315 2316 /* Try GID_PT to get device list, else GAN. */ 2317 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC); 2318 if (swl == NULL) { 2319 /*EMPTY*/ 2320 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2321 "on GA_NXT\n", ha->host_no)); 2322 } else { 2323 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES); 2324 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { 2325 kfree(swl); 2326 swl = NULL; 2327 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { 2328 kfree(swl); 2329 swl = NULL; 2330 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { 2331 kfree(swl); 2332 swl = NULL; 2333 } 2334 } 2335 swl_idx = 0; 2336 2337 /* Allocate temporary fcport for any new fcports discovered. */ 2338 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2339 if (new_fcport == NULL) { 2340 if (swl) 2341 kfree(swl); 2342 return (QLA_MEMORY_ALLOC_FAILED); 2343 } 2344 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2345 2346 /* Set start port ID scan at adapter ID. */ 2347 first_dev = 1; 2348 last_dev = 0; 2349 2350 /* Starting free loop ID. */ 2351 loop_id = ha->min_external_loopid; 2352 for (; loop_id <= ha->last_loop_id; loop_id++) { 2353 if (qla2x00_is_reserved_id(ha, loop_id)) 2354 continue; 2355 2356 if (atomic_read(&ha->loop_down_timer) || 2357 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2358 break; 2359 2360 if (swl != NULL) { 2361 if (last_dev) { 2362 wrap.b24 = new_fcport->d_id.b24; 2363 } else { 2364 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 2365 memcpy(new_fcport->node_name, 2366 swl[swl_idx].node_name, WWN_SIZE); 2367 memcpy(new_fcport->port_name, 2368 swl[swl_idx].port_name, WWN_SIZE); 2369 2370 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 2371 last_dev = 1; 2372 } 2373 swl_idx++; 2374 } 2375 } else { 2376 /* Send GA_NXT to the switch */ 2377 rval = qla2x00_ga_nxt(ha, new_fcport); 2378 if (rval != QLA_SUCCESS) { 2379 qla_printk(KERN_WARNING, ha, 2380 "SNS scan failed -- assuming zero-entry " 2381 "result...\n"); 2382 list_for_each_entry_safe(fcport, fcptemp, 2383 new_fcports, list) { 2384 list_del(&fcport->list); 2385 kfree(fcport); 2386 } 2387 rval = QLA_SUCCESS; 2388 break; 2389 } 2390 } 2391 2392 /* If wrap on switch device list, exit. */ 2393 if (first_dev) { 2394 wrap.b24 = new_fcport->d_id.b24; 2395 first_dev = 0; 2396 } else if (new_fcport->d_id.b24 == wrap.b24) { 2397 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", 2398 ha->host_no, new_fcport->d_id.b.domain, 2399 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); 2400 break; 2401 } 2402 2403 /* Bypass if host adapter. */ 2404 if (new_fcport->d_id.b24 == ha->d_id.b24) 2405 continue; 2406 2407 /* Bypass if same domain and area of adapter. */ 2408 if (((new_fcport->d_id.b24 & 0xffff00) == 2409 (ha->d_id.b24 & 0xffff00)) && ha->current_topology == 2410 ISP_CFG_FL) 2411 continue; 2412 2413 /* Bypass reserved domain fields. */ 2414 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 2415 continue; 2416 2417 /* Locate matching device in database. */ 2418 found = 0; 2419 list_for_each_entry(fcport, &ha->fcports, list) { 2420 if (memcmp(new_fcport->port_name, fcport->port_name, 2421 WWN_SIZE)) 2422 continue; 2423 2424 found++; 2425 2426 /* 2427 * If address the same and state FCS_ONLINE, nothing 2428 * changed. 2429 */ 2430 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 2431 atomic_read(&fcport->state) == FCS_ONLINE) { 2432 break; 2433 } 2434 2435 /* 2436 * If device was not a fabric device before. 2437 */ 2438 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2439 fcport->d_id.b24 = new_fcport->d_id.b24; 2440 fcport->loop_id = FC_NO_LOOP_ID; 2441 fcport->flags |= (FCF_FABRIC_DEVICE | 2442 FCF_LOGIN_NEEDED); 2443 fcport->flags &= ~FCF_PERSISTENT_BOUND; 2444 break; 2445 } 2446 2447 /* 2448 * Port ID changed or device was marked to be updated; 2449 * Log it out if still logged in and mark it for 2450 * relogin later. 2451 */ 2452 fcport->d_id.b24 = new_fcport->d_id.b24; 2453 fcport->flags |= FCF_LOGIN_NEEDED; 2454 if (fcport->loop_id != FC_NO_LOOP_ID && 2455 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2456 fcport->port_type != FCT_INITIATOR && 2457 fcport->port_type != FCT_BROADCAST) { 2458 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2459 fcport->d_id.b.domain, fcport->d_id.b.area, 2460 fcport->d_id.b.al_pa); 2461 fcport->loop_id = FC_NO_LOOP_ID; 2462 } 2463 2464 break; 2465 } 2466 2467 if (found) 2468 continue; 2469 2470 /* If device was not in our fcports list, then add it. */ 2471 list_add_tail(&new_fcport->list, new_fcports); 2472 2473 /* Allocate a new replacement fcport. */ 2474 nxt_d_id.b24 = new_fcport->d_id.b24; 2475 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2476 if (new_fcport == NULL) { 2477 if (swl) 2478 kfree(swl); 2479 return (QLA_MEMORY_ALLOC_FAILED); 2480 } 2481 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2482 new_fcport->d_id.b24 = nxt_d_id.b24; 2483 } 2484 2485 if (swl) 2486 kfree(swl); 2487 2488 if (new_fcport) 2489 kfree(new_fcport); 2490 2491 if (!list_empty(new_fcports)) 2492 ha->device_flags |= DFLG_FABRIC_DEVICES; 2493 2494 return (rval); 2495 } 2496 2497 /* 2498 * qla2x00_find_new_loop_id 2499 * Scan through our port list and find a new usable loop ID. 2500 * 2501 * Input: 2502 * ha: adapter state pointer. 2503 * dev: port structure pointer. 2504 * 2505 * Returns: 2506 * qla2x00 local function return status code. 2507 * 2508 * Context: 2509 * Kernel context. 2510 */ 2511 int 2512 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) 2513 { 2514 int rval; 2515 int found; 2516 fc_port_t *fcport; 2517 uint16_t first_loop_id; 2518 2519 rval = QLA_SUCCESS; 2520 2521 /* Save starting loop ID. */ 2522 first_loop_id = dev->loop_id; 2523 2524 for (;;) { 2525 /* Skip loop ID if already used by adapter. */ 2526 if (dev->loop_id == ha->loop_id) { 2527 dev->loop_id++; 2528 } 2529 2530 /* Skip reserved loop IDs. */ 2531 while (qla2x00_is_reserved_id(ha, dev->loop_id)) { 2532 dev->loop_id++; 2533 } 2534 2535 /* Reset loop ID if passed the end. */ 2536 if (dev->loop_id > ha->last_loop_id) { 2537 /* first loop ID. */ 2538 dev->loop_id = ha->min_external_loopid; 2539 } 2540 2541 /* Check for loop ID being already in use. */ 2542 found = 0; 2543 fcport = NULL; 2544 list_for_each_entry(fcport, &ha->fcports, list) { 2545 if (fcport->loop_id == dev->loop_id && fcport != dev) { 2546 /* ID possibly in use */ 2547 found++; 2548 break; 2549 } 2550 } 2551 2552 /* If not in use then it is free to use. */ 2553 if (!found) { 2554 break; 2555 } 2556 2557 /* ID in use. Try next value. */ 2558 dev->loop_id++; 2559 2560 /* If wrap around. No free ID to use. */ 2561 if (dev->loop_id == first_loop_id) { 2562 dev->loop_id = FC_NO_LOOP_ID; 2563 rval = QLA_FUNCTION_FAILED; 2564 break; 2565 } 2566 } 2567 2568 return (rval); 2569 } 2570 2571 /* 2572 * qla2x00_device_resync 2573 * Marks devices in the database that needs resynchronization. 2574 * 2575 * Input: 2576 * ha = adapter block pointer. 2577 * 2578 * Context: 2579 * Kernel context. 2580 */ 2581 static int 2582 qla2x00_device_resync(scsi_qla_host_t *ha) 2583 { 2584 int rval; 2585 int rval2; 2586 uint32_t mask; 2587 fc_port_t *fcport; 2588 uint32_t rscn_entry; 2589 uint8_t rscn_out_iter; 2590 uint8_t format; 2591 port_id_t d_id; 2592 2593 rval = QLA_RSCNS_HANDLED; 2594 2595 while (ha->rscn_out_ptr != ha->rscn_in_ptr || 2596 ha->flags.rscn_queue_overflow) { 2597 2598 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; 2599 format = MSB(MSW(rscn_entry)); 2600 d_id.b.domain = LSB(MSW(rscn_entry)); 2601 d_id.b.area = MSB(LSW(rscn_entry)); 2602 d_id.b.al_pa = LSB(LSW(rscn_entry)); 2603 2604 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " 2605 "[%02x/%02x%02x%02x].\n", 2606 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, 2607 d_id.b.area, d_id.b.al_pa)); 2608 2609 ha->rscn_out_ptr++; 2610 if (ha->rscn_out_ptr == MAX_RSCN_COUNT) 2611 ha->rscn_out_ptr = 0; 2612 2613 /* Skip duplicate entries. */ 2614 for (rscn_out_iter = ha->rscn_out_ptr; 2615 !ha->flags.rscn_queue_overflow && 2616 rscn_out_iter != ha->rscn_in_ptr; 2617 rscn_out_iter = (rscn_out_iter == 2618 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { 2619 2620 if (rscn_entry != ha->rscn_queue[rscn_out_iter]) 2621 break; 2622 2623 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " 2624 "entry found at [%d].\n", ha->host_no, 2625 rscn_out_iter)); 2626 2627 ha->rscn_out_ptr = rscn_out_iter; 2628 } 2629 2630 /* Queue overflow, set switch default case. */ 2631 if (ha->flags.rscn_queue_overflow) { 2632 DEBUG(printk("scsi(%ld): device_resync: rscn " 2633 "overflow.\n", ha->host_no)); 2634 2635 format = 3; 2636 ha->flags.rscn_queue_overflow = 0; 2637 } 2638 2639 switch (format) { 2640 case 0: 2641 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && 2642 !IS_QLA6312(ha) && !IS_QLA6322(ha) && 2643 !IS_QLA24XX(ha) && !IS_QLA25XX(ha) && 2644 ha->flags.init_done) { 2645 /* Handle port RSCN via asyncronous IOCBs */ 2646 rval2 = qla2x00_handle_port_rscn(ha, rscn_entry, 2647 NULL, 0); 2648 if (rval2 == QLA_SUCCESS) 2649 continue; 2650 } 2651 mask = 0xffffff; 2652 break; 2653 case 1: 2654 mask = 0xffff00; 2655 break; 2656 case 2: 2657 mask = 0xff0000; 2658 break; 2659 default: 2660 mask = 0x0; 2661 d_id.b24 = 0; 2662 ha->rscn_out_ptr = ha->rscn_in_ptr; 2663 break; 2664 } 2665 2666 rval = QLA_SUCCESS; 2667 2668 /* Abort any outstanding IO descriptors. */ 2669 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 2670 qla2x00_cancel_io_descriptors(ha); 2671 2672 list_for_each_entry(fcport, &ha->fcports, list) { 2673 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2674 (fcport->d_id.b24 & mask) != d_id.b24 || 2675 fcport->port_type == FCT_BROADCAST) 2676 continue; 2677 2678 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2679 if (format != 3 || 2680 fcport->port_type != FCT_INITIATOR) { 2681 qla2x00_mark_device_lost(ha, fcport, 0); 2682 } 2683 } 2684 fcport->flags &= ~FCF_FARP_DONE; 2685 } 2686 } 2687 return (rval); 2688 } 2689 2690 /* 2691 * qla2x00_fabric_dev_login 2692 * Login fabric target device and update FC port database. 2693 * 2694 * Input: 2695 * ha: adapter state pointer. 2696 * fcport: port structure list pointer. 2697 * next_loopid: contains value of a new loop ID that can be used 2698 * by the next login attempt. 2699 * 2700 * Returns: 2701 * qla2x00 local function return status code. 2702 * 2703 * Context: 2704 * Kernel context. 2705 */ 2706 static int 2707 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2708 uint16_t *next_loopid) 2709 { 2710 int rval; 2711 int retry; 2712 uint8_t opts; 2713 2714 rval = QLA_SUCCESS; 2715 retry = 0; 2716 2717 rval = qla2x00_fabric_login(ha, fcport, next_loopid); 2718 if (rval == QLA_SUCCESS) { 2719 /* Send an ADISC to tape devices.*/ 2720 opts = 0; 2721 if (fcport->flags & FCF_TAPE_PRESENT) 2722 opts |= BIT_1; 2723 rval = qla2x00_get_port_database(ha, fcport, opts); 2724 if (rval != QLA_SUCCESS) { 2725 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2726 fcport->d_id.b.domain, fcport->d_id.b.area, 2727 fcport->d_id.b.al_pa); 2728 qla2x00_mark_device_lost(ha, fcport, 1); 2729 2730 } else { 2731 qla2x00_update_fcport(ha, fcport); 2732 } 2733 } 2734 2735 return (rval); 2736 } 2737 2738 /* 2739 * qla2x00_fabric_login 2740 * Issue fabric login command. 2741 * 2742 * Input: 2743 * ha = adapter block pointer. 2744 * device = pointer to FC device type structure. 2745 * 2746 * Returns: 2747 * 0 - Login successfully 2748 * 1 - Login failed 2749 * 2 - Initiator device 2750 * 3 - Fatal error 2751 */ 2752 int 2753 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2754 uint16_t *next_loopid) 2755 { 2756 int rval; 2757 int retry; 2758 uint16_t tmp_loopid; 2759 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2760 2761 retry = 0; 2762 tmp_loopid = 0; 2763 2764 for (;;) { 2765 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " 2766 "for port %02x%02x%02x.\n", 2767 ha->host_no, fcport->loop_id, fcport->d_id.b.domain, 2768 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2769 2770 /* Login fcport on switch. */ 2771 ha->isp_ops.fabric_login(ha, fcport->loop_id, 2772 fcport->d_id.b.domain, fcport->d_id.b.area, 2773 fcport->d_id.b.al_pa, mb, BIT_0); 2774 if (mb[0] == MBS_PORT_ID_USED) { 2775 /* 2776 * Device has another loop ID. The firmware team 2777 * recommends the driver perform an implicit login with 2778 * the specified ID again. The ID we just used is save 2779 * here so we return with an ID that can be tried by 2780 * the next login. 2781 */ 2782 retry++; 2783 tmp_loopid = fcport->loop_id; 2784 fcport->loop_id = mb[1]; 2785 2786 DEBUG(printk("Fabric Login: port in use - next " 2787 "loop id=0x%04x, port Id=%02x%02x%02x.\n", 2788 fcport->loop_id, fcport->d_id.b.domain, 2789 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2790 2791 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 2792 /* 2793 * Login succeeded. 2794 */ 2795 if (retry) { 2796 /* A retry occurred before. */ 2797 *next_loopid = tmp_loopid; 2798 } else { 2799 /* 2800 * No retry occurred before. Just increment the 2801 * ID value for next login. 2802 */ 2803 *next_loopid = (fcport->loop_id + 1); 2804 } 2805 2806 if (mb[1] & BIT_0) { 2807 fcport->port_type = FCT_INITIATOR; 2808 } else { 2809 fcport->port_type = FCT_TARGET; 2810 if (mb[1] & BIT_1) { 2811 fcport->flags |= FCF_TAPE_PRESENT; 2812 } 2813 } 2814 2815 if (mb[10] & BIT_0) 2816 fcport->supported_classes |= FC_COS_CLASS2; 2817 if (mb[10] & BIT_1) 2818 fcport->supported_classes |= FC_COS_CLASS3; 2819 2820 rval = QLA_SUCCESS; 2821 break; 2822 } else if (mb[0] == MBS_LOOP_ID_USED) { 2823 /* 2824 * Loop ID already used, try next loop ID. 2825 */ 2826 fcport->loop_id++; 2827 rval = qla2x00_find_new_loop_id(ha, fcport); 2828 if (rval != QLA_SUCCESS) { 2829 /* Ran out of loop IDs to use */ 2830 break; 2831 } 2832 } else if (mb[0] == MBS_COMMAND_ERROR) { 2833 /* 2834 * Firmware possibly timed out during login. If NO 2835 * retries are left to do then the device is declared 2836 * dead. 2837 */ 2838 *next_loopid = fcport->loop_id; 2839 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2840 fcport->d_id.b.domain, fcport->d_id.b.area, 2841 fcport->d_id.b.al_pa); 2842 qla2x00_mark_device_lost(ha, fcport, 1); 2843 2844 rval = 1; 2845 break; 2846 } else { 2847 /* 2848 * unrecoverable / not handled error 2849 */ 2850 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " 2851 "loop_id=%x jiffies=%lx.\n", 2852 __func__, ha->host_no, mb[0], 2853 fcport->d_id.b.domain, fcport->d_id.b.area, 2854 fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); 2855 2856 *next_loopid = fcport->loop_id; 2857 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2858 fcport->d_id.b.domain, fcport->d_id.b.area, 2859 fcport->d_id.b.al_pa); 2860 fcport->loop_id = FC_NO_LOOP_ID; 2861 atomic_set(&fcport->state, FCS_DEVICE_DEAD); 2862 2863 rval = 3; 2864 break; 2865 } 2866 } 2867 2868 return (rval); 2869 } 2870 2871 /* 2872 * qla2x00_local_device_login 2873 * Issue local device login command. 2874 * 2875 * Input: 2876 * ha = adapter block pointer. 2877 * loop_id = loop id of device to login to. 2878 * 2879 * Returns (Where's the #define!!!!): 2880 * 0 - Login successfully 2881 * 1 - Login failed 2882 * 3 - Fatal error 2883 */ 2884 int 2885 qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id) 2886 { 2887 int rval; 2888 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2889 2890 memset(mb, 0, sizeof(mb)); 2891 rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0); 2892 if (rval == QLA_SUCCESS) { 2893 /* Interrogate mailbox registers for any errors */ 2894 if (mb[0] == MBS_COMMAND_ERROR) 2895 rval = 1; 2896 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 2897 /* device not in PCB table */ 2898 rval = 3; 2899 } 2900 2901 return (rval); 2902 } 2903 2904 /* 2905 * qla2x00_loop_resync 2906 * Resync with fibre channel devices. 2907 * 2908 * Input: 2909 * ha = adapter block pointer. 2910 * 2911 * Returns: 2912 * 0 = success 2913 */ 2914 int 2915 qla2x00_loop_resync(scsi_qla_host_t *ha) 2916 { 2917 int rval; 2918 uint32_t wait_time; 2919 2920 rval = QLA_SUCCESS; 2921 2922 atomic_set(&ha->loop_state, LOOP_UPDATE); 2923 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 2924 if (ha->flags.online) { 2925 if (!(rval = qla2x00_fw_ready(ha))) { 2926 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 2927 wait_time = 256; 2928 do { 2929 atomic_set(&ha->loop_state, LOOP_UPDATE); 2930 2931 /* Issue a marker after FW becomes ready. */ 2932 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 2933 ha->marker_needed = 0; 2934 2935 /* Remap devices on Loop. */ 2936 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 2937 2938 qla2x00_configure_loop(ha); 2939 wait_time--; 2940 } while (!atomic_read(&ha->loop_down_timer) && 2941 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 2942 wait_time && 2943 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 2944 } 2945 } 2946 2947 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { 2948 return (QLA_FUNCTION_FAILED); 2949 } 2950 2951 if (rval) { 2952 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 2953 } 2954 2955 return (rval); 2956 } 2957 2958 void 2959 qla2x00_rescan_fcports(scsi_qla_host_t *ha) 2960 { 2961 int rescan_done; 2962 fc_port_t *fcport; 2963 2964 rescan_done = 0; 2965 list_for_each_entry(fcport, &ha->fcports, list) { 2966 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) 2967 continue; 2968 2969 qla2x00_update_fcport(ha, fcport); 2970 fcport->flags &= ~FCF_RESCAN_NEEDED; 2971 2972 rescan_done = 1; 2973 } 2974 qla2x00_probe_for_all_luns(ha); 2975 } 2976 2977 /* 2978 * qla2x00_abort_isp 2979 * Resets ISP and aborts all outstanding commands. 2980 * 2981 * Input: 2982 * ha = adapter block pointer. 2983 * 2984 * Returns: 2985 * 0 = success 2986 */ 2987 int 2988 qla2x00_abort_isp(scsi_qla_host_t *ha) 2989 { 2990 unsigned long flags = 0; 2991 uint16_t cnt; 2992 srb_t *sp; 2993 uint8_t status = 0; 2994 2995 if (ha->flags.online) { 2996 ha->flags.online = 0; 2997 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 2998 2999 qla_printk(KERN_INFO, ha, 3000 "Performing ISP error recovery - ha= %p.\n", ha); 3001 ha->isp_ops.reset_chip(ha); 3002 3003 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 3004 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 3005 atomic_set(&ha->loop_state, LOOP_DOWN); 3006 qla2x00_mark_all_devices_lost(ha); 3007 } else { 3008 if (!atomic_read(&ha->loop_down_timer)) 3009 atomic_set(&ha->loop_down_timer, 3010 LOOP_DOWN_TIME); 3011 } 3012 3013 spin_lock_irqsave(&ha->hardware_lock, flags); 3014 /* Requeue all commands in outstanding command list. */ 3015 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 3016 sp = ha->outstanding_cmds[cnt]; 3017 if (sp) { 3018 ha->outstanding_cmds[cnt] = NULL; 3019 sp->flags = 0; 3020 sp->cmd->result = DID_RESET << 16; 3021 sp->cmd->host_scribble = (unsigned char *)NULL; 3022 qla2x00_sp_compl(ha, sp); 3023 } 3024 } 3025 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3026 3027 ha->isp_ops.nvram_config(ha); 3028 3029 if (!qla2x00_restart_isp(ha)) { 3030 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3031 3032 if (!atomic_read(&ha->loop_down_timer)) { 3033 /* 3034 * Issue marker command only when we are going 3035 * to start the I/O . 3036 */ 3037 ha->marker_needed = 1; 3038 } 3039 3040 ha->flags.online = 1; 3041 3042 ha->isp_ops.enable_intrs(ha); 3043 3044 ha->isp_abort_cnt = 0; 3045 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3046 } else { /* failed the ISP abort */ 3047 ha->flags.online = 1; 3048 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { 3049 if (ha->isp_abort_cnt == 0) { 3050 qla_printk(KERN_WARNING, ha, 3051 "ISP error recovery failed - " 3052 "board disabled\n"); 3053 /* 3054 * The next call disables the board 3055 * completely. 3056 */ 3057 ha->isp_ops.reset_adapter(ha); 3058 ha->flags.online = 0; 3059 clear_bit(ISP_ABORT_RETRY, 3060 &ha->dpc_flags); 3061 status = 0; 3062 } else { /* schedule another ISP abort */ 3063 ha->isp_abort_cnt--; 3064 DEBUG(printk("qla%ld: ISP abort - " 3065 "retry remaining %d\n", 3066 ha->host_no, ha->isp_abort_cnt);) 3067 status = 1; 3068 } 3069 } else { 3070 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3071 DEBUG(printk("qla2x00(%ld): ISP error recovery " 3072 "- retrying (%d) more times\n", 3073 ha->host_no, ha->isp_abort_cnt);) 3074 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3075 status = 1; 3076 } 3077 } 3078 3079 } 3080 3081 if (status) { 3082 qla_printk(KERN_INFO, ha, 3083 "qla2x00_abort_isp: **** FAILED ****\n"); 3084 } else { 3085 DEBUG(printk(KERN_INFO 3086 "qla2x00_abort_isp(%ld): exiting.\n", 3087 ha->host_no);) 3088 } 3089 3090 return(status); 3091 } 3092 3093 /* 3094 * qla2x00_restart_isp 3095 * restarts the ISP after a reset 3096 * 3097 * Input: 3098 * ha = adapter block pointer. 3099 * 3100 * Returns: 3101 * 0 = success 3102 */ 3103 static int 3104 qla2x00_restart_isp(scsi_qla_host_t *ha) 3105 { 3106 uint8_t status = 0; 3107 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3108 unsigned long flags = 0; 3109 uint32_t wait_time; 3110 3111 /* If firmware needs to be loaded */ 3112 if (qla2x00_isp_firmware(ha)) { 3113 ha->flags.online = 0; 3114 if (!(status = ha->isp_ops.chip_diag(ha))) { 3115 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 3116 status = qla2x00_setup_chip(ha); 3117 goto done; 3118 } 3119 3120 spin_lock_irqsave(&ha->hardware_lock, flags); 3121 3122 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) { 3123 /* 3124 * Disable SRAM, Instruction RAM and GP RAM 3125 * parity. 3126 */ 3127 WRT_REG_WORD(®->hccr, 3128 (HCCR_ENABLE_PARITY + 0x0)); 3129 RD_REG_WORD(®->hccr); 3130 } 3131 3132 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3133 3134 status = qla2x00_setup_chip(ha); 3135 3136 spin_lock_irqsave(&ha->hardware_lock, flags); 3137 3138 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) { 3139 /* Enable proper parity */ 3140 if (IS_QLA2300(ha)) 3141 /* SRAM parity */ 3142 WRT_REG_WORD(®->hccr, 3143 (HCCR_ENABLE_PARITY + 0x1)); 3144 else 3145 /* 3146 * SRAM, Instruction RAM and GP RAM 3147 * parity. 3148 */ 3149 WRT_REG_WORD(®->hccr, 3150 (HCCR_ENABLE_PARITY + 0x7)); 3151 RD_REG_WORD(®->hccr); 3152 } 3153 3154 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3155 } 3156 } 3157 3158 done: 3159 if (!status && !(status = qla2x00_init_rings(ha))) { 3160 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3161 if (!(status = qla2x00_fw_ready(ha))) { 3162 DEBUG(printk("%s(): Start configure loop, " 3163 "status = %d\n", __func__, status);) 3164 3165 /* Issue a marker after FW becomes ready. */ 3166 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3167 3168 ha->flags.online = 1; 3169 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3170 wait_time = 256; 3171 do { 3172 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3173 qla2x00_configure_loop(ha); 3174 wait_time--; 3175 } while (!atomic_read(&ha->loop_down_timer) && 3176 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3177 wait_time && 3178 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3179 } 3180 3181 /* if no cable then assume it's good */ 3182 if ((ha->device_flags & DFLG_NO_CABLE)) 3183 status = 0; 3184 3185 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", 3186 __func__, 3187 status);) 3188 } 3189 return (status); 3190 } 3191 3192 /* 3193 * qla2x00_reset_adapter 3194 * Reset adapter. 3195 * 3196 * Input: 3197 * ha = adapter block pointer. 3198 */ 3199 void 3200 qla2x00_reset_adapter(scsi_qla_host_t *ha) 3201 { 3202 unsigned long flags = 0; 3203 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3204 3205 ha->flags.online = 0; 3206 ha->isp_ops.disable_intrs(ha); 3207 3208 spin_lock_irqsave(&ha->hardware_lock, flags); 3209 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 3210 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3211 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 3212 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3213 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3214 } 3215 3216 void 3217 qla24xx_reset_adapter(scsi_qla_host_t *ha) 3218 { 3219 unsigned long flags = 0; 3220 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3221 3222 ha->flags.online = 0; 3223 ha->isp_ops.disable_intrs(ha); 3224 3225 spin_lock_irqsave(&ha->hardware_lock, flags); 3226 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 3227 RD_REG_DWORD(®->hccr); 3228 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 3229 RD_REG_DWORD(®->hccr); 3230 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3231 } 3232 3233 int 3234 qla24xx_nvram_config(scsi_qla_host_t *ha) 3235 { 3236 int rval; 3237 struct init_cb_24xx *icb; 3238 struct nvram_24xx *nv; 3239 uint32_t *dptr; 3240 uint8_t *dptr1, *dptr2; 3241 uint32_t chksum; 3242 uint16_t cnt; 3243 3244 rval = QLA_SUCCESS; 3245 icb = (struct init_cb_24xx *)ha->init_cb; 3246 nv = (struct nvram_24xx *)ha->request_ring; 3247 3248 /* Determine NVRAM starting address. */ 3249 ha->nvram_size = sizeof(struct nvram_24xx); 3250 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 3251 if (PCI_FUNC(ha->pdev->devfn)) 3252 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 3253 3254 /* Get NVRAM data and calculate checksum. */ 3255 dptr = (uint32_t *)nv; 3256 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, 3257 ha->nvram_size); 3258 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) 3259 chksum += le32_to_cpu(*dptr++); 3260 3261 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 3262 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, 3263 ha->nvram_size)); 3264 3265 /* Bad NVRAM data, set defaults parameters. */ 3266 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' 3267 || nv->id[3] != ' ' || 3268 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { 3269 /* Reset NVRAM data. */ 3270 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 3271 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 3272 le16_to_cpu(nv->nvram_version)); 3273 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 3274 "invalid -- WWPN) defaults.\n"); 3275 3276 /* 3277 * Set default initialization control block. 3278 */ 3279 memset(nv, 0, ha->nvram_size); 3280 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); 3281 nv->version = __constant_cpu_to_le16(ICB_VERSION); 3282 nv->frame_payload_size = __constant_cpu_to_le16(2048); 3283 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3284 nv->exchange_count = __constant_cpu_to_le16(0); 3285 nv->hard_address = __constant_cpu_to_le16(124); 3286 nv->port_name[0] = 0x21; 3287 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); 3288 nv->port_name[2] = 0x00; 3289 nv->port_name[3] = 0xe0; 3290 nv->port_name[4] = 0x8b; 3291 nv->port_name[5] = 0x1c; 3292 nv->port_name[6] = 0x55; 3293 nv->port_name[7] = 0x86; 3294 nv->node_name[0] = 0x20; 3295 nv->node_name[1] = 0x00; 3296 nv->node_name[2] = 0x00; 3297 nv->node_name[3] = 0xe0; 3298 nv->node_name[4] = 0x8b; 3299 nv->node_name[5] = 0x1c; 3300 nv->node_name[6] = 0x55; 3301 nv->node_name[7] = 0x86; 3302 nv->login_retry_count = __constant_cpu_to_le16(8); 3303 nv->link_down_timeout = __constant_cpu_to_le16(200); 3304 nv->interrupt_delay_timer = __constant_cpu_to_le16(0); 3305 nv->login_timeout = __constant_cpu_to_le16(0); 3306 nv->firmware_options_1 = 3307 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 3308 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); 3309 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); 3310 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); 3311 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); 3312 nv->efi_parameters = __constant_cpu_to_le32(0); 3313 nv->reset_delay = 5; 3314 nv->max_luns_per_target = __constant_cpu_to_le16(128); 3315 nv->port_down_retry_count = __constant_cpu_to_le16(30); 3316 nv->link_down_timeout = __constant_cpu_to_le16(30); 3317 3318 rval = 1; 3319 } 3320 3321 /* Reset Initialization control block */ 3322 memset(icb, 0, sizeof(struct init_cb_24xx)); 3323 3324 /* Copy 1st segment. */ 3325 dptr1 = (uint8_t *)icb; 3326 dptr2 = (uint8_t *)&nv->version; 3327 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 3328 while (cnt--) 3329 *dptr1++ = *dptr2++; 3330 3331 icb->login_retry_count = nv->login_retry_count; 3332 icb->link_down_timeout = nv->link_down_timeout; 3333 3334 /* Copy 2nd segment. */ 3335 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 3336 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 3337 cnt = (uint8_t *)&icb->reserved_3 - 3338 (uint8_t *)&icb->interrupt_delay_timer; 3339 while (cnt--) 3340 *dptr1++ = *dptr2++; 3341 3342 /* 3343 * Setup driver NVRAM options. 3344 */ 3345 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) { 3346 char *st, *en; 3347 uint16_t index; 3348 3349 strncpy(ha->model_number, nv->model_name, 3350 sizeof(nv->model_name)); 3351 st = en = ha->model_number; 3352 en += sizeof(nv->model_name) - 1; 3353 while (en > st) { 3354 if (*en != 0x20 && *en != 0x00) 3355 break; 3356 *en-- = '\0'; 3357 } 3358 3359 index = (ha->pdev->subsystem_device & 0xff); 3360 if (index < QLA_MODEL_NAMES) 3361 ha->model_desc = qla2x00_model_desc[index]; 3362 } else 3363 strcpy(ha->model_number, "QLA2462"); 3364 3365 /* Prepare nodename */ 3366 if ((icb->firmware_options_1 & BIT_14) == 0) { 3367 /* 3368 * Firmware will apply the following mask if the nodename was 3369 * not provided. 3370 */ 3371 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 3372 icb->node_name[0] &= 0xF0; 3373 } 3374 3375 /* Set host adapter parameters. */ 3376 ha->flags.disable_risc_code_load = 0; 3377 ha->flags.enable_lip_reset = 1; 3378 ha->flags.enable_lip_full_login = 1; 3379 ha->flags.enable_target_reset = 1; 3380 ha->flags.enable_led_scheme = 0; 3381 3382 ha->operating_mode = 3383 (icb->firmware_options_2 & (BIT_6 | BIT_5 | BIT_4)) >> 4; 3384 3385 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 3386 sizeof(ha->fw_seriallink_options24)); 3387 3388 /* save HBA serial number */ 3389 ha->serial0 = icb->port_name[5]; 3390 ha->serial1 = icb->port_name[6]; 3391 ha->serial2 = icb->port_name[7]; 3392 ha->node_name = icb->node_name; 3393 ha->port_name = icb->port_name; 3394 3395 ha->retry_count = le16_to_cpu(nv->login_retry_count); 3396 3397 /* Set minimum login_timeout to 4 seconds. */ 3398 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 3399 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 3400 if (le16_to_cpu(nv->login_timeout) < 4) 3401 nv->login_timeout = __constant_cpu_to_le16(4); 3402 ha->login_timeout = le16_to_cpu(nv->login_timeout); 3403 icb->login_timeout = cpu_to_le16(nv->login_timeout); 3404 3405 /* Set minimum RATOV to 200 tenths of a second. */ 3406 ha->r_a_tov = 200; 3407 3408 ha->loop_reset_delay = nv->reset_delay; 3409 3410 /* Link Down Timeout = 0: 3411 * 3412 * When Port Down timer expires we will start returning 3413 * I/O's to OS with "DID_NO_CONNECT". 3414 * 3415 * Link Down Timeout != 0: 3416 * 3417 * The driver waits for the link to come up after link down 3418 * before returning I/Os to OS with "DID_NO_CONNECT". 3419 */ 3420 if (le16_to_cpu(nv->link_down_timeout) == 0) { 3421 ha->loop_down_abort_time = 3422 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 3423 } else { 3424 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 3425 ha->loop_down_abort_time = 3426 (LOOP_DOWN_TIME - ha->link_down_timeout); 3427 } 3428 3429 /* Need enough time to try and get the port back. */ 3430 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 3431 if (qlport_down_retry) 3432 ha->port_down_retry_count = qlport_down_retry; 3433 3434 /* Set login_retry_count */ 3435 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 3436 if (ha->port_down_retry_count == 3437 le16_to_cpu(nv->port_down_retry_count) && 3438 ha->port_down_retry_count > 3) 3439 ha->login_retry_count = ha->port_down_retry_count; 3440 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 3441 ha->login_retry_count = ha->port_down_retry_count; 3442 if (ql2xloginretrycount) 3443 ha->login_retry_count = ql2xloginretrycount; 3444 3445 if (rval) { 3446 DEBUG2_3(printk(KERN_WARNING 3447 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 3448 } 3449 return (rval); 3450 } 3451 3452 int 3453 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3454 { 3455 int rval; 3456 uint16_t cnt; 3457 uint16_t *risc_code; 3458 unsigned long risc_address; 3459 unsigned long risc_code_size; 3460 int num; 3461 int i; 3462 uint16_t *req_ring; 3463 struct qla_fw_info *fw_iter; 3464 3465 rval = QLA_SUCCESS; 3466 3467 /* Load firmware sequences */ 3468 fw_iter = ha->brd_info->fw_info; 3469 *srisc_addr = *ha->brd_info->fw_info->fwstart; 3470 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) { 3471 risc_code = fw_iter->fwcode; 3472 risc_code_size = *fw_iter->fwlen; 3473 3474 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { 3475 risc_address = *fw_iter->fwstart; 3476 } else { 3477 /* Extended address */ 3478 risc_address = *fw_iter->lfwstart; 3479 } 3480 3481 num = 0; 3482 rval = 0; 3483 while (risc_code_size > 0 && !rval) { 3484 cnt = (uint16_t)(ha->fw_transfer_size >> 1); 3485 if (cnt > risc_code_size) 3486 cnt = risc_code_size; 3487 3488 DEBUG7(printk("scsi(%ld): Loading risc segment@ " 3489 "addr %p, number of bytes 0x%x, offset 0x%lx.\n", 3490 ha->host_no, risc_code, cnt, risc_address)); 3491 3492 req_ring = (uint16_t *)ha->request_ring; 3493 for (i = 0; i < cnt; i++) 3494 req_ring[i] = cpu_to_le16(risc_code[i]); 3495 3496 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { 3497 rval = qla2x00_load_ram(ha, ha->request_dma, 3498 risc_address, cnt); 3499 } else { 3500 rval = qla2x00_load_ram_ext(ha, 3501 ha->request_dma, risc_address, cnt); 3502 } 3503 if (rval) { 3504 DEBUG(printk("scsi(%ld): [ERROR] Failed to " 3505 "load segment %d of firmware\n", 3506 ha->host_no, num)); 3507 qla_printk(KERN_WARNING, ha, 3508 "[ERROR] Failed to load segment %d of " 3509 "firmware\n", num); 3510 3511 qla2x00_dump_regs(ha); 3512 break; 3513 } 3514 3515 risc_code += cnt; 3516 risc_address += cnt; 3517 risc_code_size -= cnt; 3518 num++; 3519 } 3520 3521 /* Next firmware sequence */ 3522 fw_iter++; 3523 } 3524 3525 return (rval); 3526 } 3527 3528 int 3529 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3530 { 3531 int rval; 3532 int segments, fragment; 3533 uint32_t faddr; 3534 uint32_t *dcode, dlen; 3535 uint32_t risc_addr; 3536 uint32_t risc_size; 3537 uint32_t i; 3538 3539 rval = QLA_SUCCESS; 3540 3541 segments = FA_RISC_CODE_SEGMENTS; 3542 faddr = FA_RISC_CODE_ADDR; 3543 dcode = (uint32_t *)ha->request_ring; 3544 *srisc_addr = 0; 3545 3546 /* Validate firmware image by checking version. */ 3547 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); 3548 for (i = 0; i < 4; i++) 3549 dcode[i] = be32_to_cpu(dcode[i]); 3550 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3551 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3552 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3553 dcode[3] == 0)) { 3554 qla_printk(KERN_WARNING, ha, 3555 "Unable to verify integrity of flash firmware image!\n"); 3556 qla_printk(KERN_WARNING, ha, 3557 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3558 dcode[1], dcode[2], dcode[3]); 3559 3560 return QLA_FUNCTION_FAILED; 3561 } 3562 3563 while (segments && rval == QLA_SUCCESS) { 3564 /* Read segment's load information. */ 3565 qla24xx_read_flash_data(ha, dcode, faddr, 4); 3566 3567 risc_addr = be32_to_cpu(dcode[2]); 3568 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3569 risc_size = be32_to_cpu(dcode[3]); 3570 3571 fragment = 0; 3572 while (risc_size > 0 && rval == QLA_SUCCESS) { 3573 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3574 if (dlen > risc_size) 3575 dlen = risc_size; 3576 3577 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3578 "addr %x, number of dwords 0x%x, offset 0x%x.\n", 3579 ha->host_no, risc_addr, dlen, faddr)); 3580 3581 qla24xx_read_flash_data(ha, dcode, faddr, dlen); 3582 for (i = 0; i < dlen; i++) 3583 dcode[i] = swab32(dcode[i]); 3584 3585 rval = qla2x00_load_ram_ext(ha, ha->request_dma, 3586 risc_addr, dlen); 3587 if (rval) { 3588 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3589 "segment %d of firmware\n", ha->host_no, 3590 fragment)); 3591 qla_printk(KERN_WARNING, ha, 3592 "[ERROR] Failed to load segment %d of " 3593 "firmware\n", fragment); 3594 break; 3595 } 3596 3597 faddr += dlen; 3598 risc_addr += dlen; 3599 risc_size -= dlen; 3600 fragment++; 3601 } 3602 3603 /* Next segment. */ 3604 segments--; 3605 } 3606 3607 return rval; 3608 } 3609 3610 int 3611 qla24xx_load_risc_hotplug(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3612 { 3613 int rval; 3614 int segments, fragment; 3615 uint32_t *dcode, dlen; 3616 uint32_t risc_addr; 3617 uint32_t risc_size; 3618 uint32_t i; 3619 const struct firmware *fw_entry; 3620 uint32_t *fwcode, fwclen; 3621 3622 if (request_firmware(&fw_entry, ha->brd_info->fw_fname, 3623 &ha->pdev->dev)) { 3624 qla_printk(KERN_ERR, ha, 3625 "Firmware image file not available: '%s'\n", 3626 ha->brd_info->fw_fname); 3627 return QLA_FUNCTION_FAILED; 3628 } 3629 3630 rval = QLA_SUCCESS; 3631 3632 segments = FA_RISC_CODE_SEGMENTS; 3633 dcode = (uint32_t *)ha->request_ring; 3634 *srisc_addr = 0; 3635 fwcode = (uint32_t *)fw_entry->data; 3636 fwclen = 0; 3637 3638 /* Validate firmware image by checking version. */ 3639 if (fw_entry->size < 8 * sizeof(uint32_t)) { 3640 qla_printk(KERN_WARNING, ha, 3641 "Unable to verify integrity of flash firmware image " 3642 "(%Zd)!\n", fw_entry->size); 3643 goto fail_fw_integrity; 3644 } 3645 for (i = 0; i < 4; i++) 3646 dcode[i] = be32_to_cpu(fwcode[i + 4]); 3647 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3648 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3649 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3650 dcode[3] == 0)) { 3651 qla_printk(KERN_WARNING, ha, 3652 "Unable to verify integrity of flash firmware image!\n"); 3653 qla_printk(KERN_WARNING, ha, 3654 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3655 dcode[1], dcode[2], dcode[3]); 3656 goto fail_fw_integrity; 3657 } 3658 3659 while (segments && rval == QLA_SUCCESS) { 3660 risc_addr = be32_to_cpu(fwcode[2]); 3661 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3662 risc_size = be32_to_cpu(fwcode[3]); 3663 3664 /* Validate firmware image size. */ 3665 fwclen += risc_size * sizeof(uint32_t); 3666 if (fw_entry->size < fwclen) { 3667 qla_printk(KERN_WARNING, ha, 3668 "Unable to verify integrity of flash firmware " 3669 "image (%Zd)!\n", fw_entry->size); 3670 goto fail_fw_integrity; 3671 } 3672 3673 fragment = 0; 3674 while (risc_size > 0 && rval == QLA_SUCCESS) { 3675 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3676 if (dlen > risc_size) 3677 dlen = risc_size; 3678 3679 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3680 "addr %x, number of dwords 0x%x.\n", ha->host_no, 3681 risc_addr, dlen)); 3682 3683 for (i = 0; i < dlen; i++) 3684 dcode[i] = swab32(fwcode[i]); 3685 3686 rval = qla2x00_load_ram_ext(ha, ha->request_dma, 3687 risc_addr, dlen); 3688 if (rval) { 3689 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3690 "segment %d of firmware\n", ha->host_no, 3691 fragment)); 3692 qla_printk(KERN_WARNING, ha, 3693 "[ERROR] Failed to load segment %d of " 3694 "firmware\n", fragment); 3695 break; 3696 } 3697 3698 fwcode += dlen; 3699 risc_addr += dlen; 3700 risc_size -= dlen; 3701 fragment++; 3702 } 3703 3704 /* Next segment. */ 3705 segments--; 3706 } 3707 3708 release_firmware(fw_entry); 3709 return rval; 3710 3711 fail_fw_integrity: 3712 3713 release_firmware(fw_entry); 3714 return QLA_FUNCTION_FAILED; 3715 3716 } 3717