1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2005 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 9 #include <linux/delay.h> 10 #include <linux/vmalloc.h> 11 12 #include "qla_devtbl.h" 13 14 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */ 15 #ifndef EXT_IS_LUN_BIT_SET 16 #define EXT_IS_LUN_BIT_SET(P,L) \ 17 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0) 18 #define EXT_SET_LUN_BIT(P,L) \ 19 ((P)->mask[L/8] |= (0x80 >> (L%8))) 20 #endif 21 22 /* 23 * QLogic ISP2x00 Hardware Support Function Prototypes. 24 */ 25 static int qla2x00_isp_firmware(scsi_qla_host_t *); 26 static void qla2x00_resize_request_q(scsi_qla_host_t *); 27 static int qla2x00_setup_chip(scsi_qla_host_t *); 28 static void qla2x00_init_response_q_entries(scsi_qla_host_t *); 29 static int qla2x00_init_rings(scsi_qla_host_t *); 30 static int qla2x00_fw_ready(scsi_qla_host_t *); 31 static int qla2x00_configure_hba(scsi_qla_host_t *); 32 static int qla2x00_configure_loop(scsi_qla_host_t *); 33 static int qla2x00_configure_local_loop(scsi_qla_host_t *); 34 static int qla2x00_configure_fabric(scsi_qla_host_t *); 35 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); 36 static int qla2x00_device_resync(scsi_qla_host_t *); 37 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, 38 uint16_t *); 39 40 static int qla2x00_restart_isp(scsi_qla_host_t *); 41 42 /****************************************************************************/ 43 /* QLogic ISP2x00 Hardware Support Functions. */ 44 /****************************************************************************/ 45 46 /* 47 * qla2x00_initialize_adapter 48 * Initialize board. 49 * 50 * Input: 51 * ha = adapter block pointer. 52 * 53 * Returns: 54 * 0 = success 55 */ 56 int 57 qla2x00_initialize_adapter(scsi_qla_host_t *ha) 58 { 59 int rval; 60 uint8_t restart_risc = 0; 61 uint8_t retry; 62 uint32_t wait_time; 63 64 /* Clear adapter flags. */ 65 ha->flags.online = 0; 66 ha->flags.reset_active = 0; 67 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 68 atomic_set(&ha->loop_state, LOOP_DOWN); 69 ha->device_flags = 0; 70 ha->dpc_flags = 0; 71 ha->flags.management_server_logged_in = 0; 72 ha->marker_needed = 0; 73 ha->mbx_flags = 0; 74 ha->isp_abort_cnt = 0; 75 ha->beacon_blink_led = 0; 76 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); 77 78 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 79 rval = ha->isp_ops.pci_config(ha); 80 if (rval) { 81 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n", 82 ha->host_no)); 83 return (rval); 84 } 85 86 ha->isp_ops.reset_chip(ha); 87 88 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); 89 90 ha->isp_ops.nvram_config(ha); 91 92 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); 93 94 retry = 10; 95 /* 96 * Try to configure the loop. 97 */ 98 do { 99 restart_risc = 0; 100 101 /* If firmware needs to be loaded */ 102 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { 103 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) { 104 rval = qla2x00_setup_chip(ha); 105 } 106 } 107 108 if (rval == QLA_SUCCESS && 109 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) { 110 check_fw_ready_again: 111 /* 112 * Wait for a successful LIP up to a maximum 113 * of (in seconds): RISC login timeout value, 114 * RISC retry count value, and port down retry 115 * value OR a minimum of 4 seconds OR If no 116 * cable, only 5 seconds. 117 */ 118 rval = qla2x00_fw_ready(ha); 119 if (rval == QLA_SUCCESS) { 120 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 121 122 /* Issue a marker after FW becomes ready. */ 123 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 124 125 /* 126 * Wait at most MAX_TARGET RSCNs for a stable 127 * link. 128 */ 129 wait_time = 256; 130 do { 131 clear_bit(LOOP_RESYNC_NEEDED, 132 &ha->dpc_flags); 133 rval = qla2x00_configure_loop(ha); 134 135 if (test_and_clear_bit(ISP_ABORT_NEEDED, 136 &ha->dpc_flags)) { 137 restart_risc = 1; 138 break; 139 } 140 141 /* 142 * If loop state change while we were 143 * discoverying devices then wait for 144 * LIP to complete 145 */ 146 147 if (atomic_read(&ha->loop_state) != 148 LOOP_READY && retry--) { 149 goto check_fw_ready_again; 150 } 151 wait_time--; 152 } while (!atomic_read(&ha->loop_down_timer) && 153 retry && 154 wait_time && 155 (test_bit(LOOP_RESYNC_NEEDED, 156 &ha->dpc_flags))); 157 158 if (wait_time == 0) 159 rval = QLA_FUNCTION_FAILED; 160 } else if (ha->device_flags & DFLG_NO_CABLE) 161 /* If no cable, then all is good. */ 162 rval = QLA_SUCCESS; 163 } 164 } while (restart_risc && retry--); 165 166 if (rval == QLA_SUCCESS) { 167 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 168 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 169 ha->marker_needed = 0; 170 171 ha->flags.online = 1; 172 } else { 173 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 174 } 175 176 return (rval); 177 } 178 179 /** 180 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. 181 * @ha: HA context 182 * 183 * Returns 0 on success. 184 */ 185 int 186 qla2100_pci_config(scsi_qla_host_t *ha) 187 { 188 uint16_t w, mwi; 189 uint32_t d; 190 unsigned long flags; 191 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 192 193 pci_set_master(ha->pdev); 194 mwi = 0; 195 if (pci_set_mwi(ha->pdev)) 196 mwi = PCI_COMMAND_INVALIDATE; 197 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); 198 199 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 200 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 201 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 202 203 /* Reset expansion ROM address decode enable */ 204 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 205 d &= ~PCI_ROM_ADDRESS_ENABLE; 206 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 207 208 /* Get PCI bus information. */ 209 spin_lock_irqsave(&ha->hardware_lock, flags); 210 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 211 spin_unlock_irqrestore(&ha->hardware_lock, flags); 212 213 return QLA_SUCCESS; 214 } 215 216 /** 217 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. 218 * @ha: HA context 219 * 220 * Returns 0 on success. 221 */ 222 int 223 qla2300_pci_config(scsi_qla_host_t *ha) 224 { 225 uint16_t w, mwi; 226 uint32_t d; 227 unsigned long flags = 0; 228 uint32_t cnt; 229 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 230 231 pci_set_master(ha->pdev); 232 mwi = 0; 233 if (pci_set_mwi(ha->pdev)) 234 mwi = PCI_COMMAND_INVALIDATE; 235 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); 236 237 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 238 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 239 240 if (IS_QLA2322(ha) || IS_QLA6322(ha)) 241 w &= ~PCI_COMMAND_INTX_DISABLE; 242 243 /* 244 * If this is a 2300 card and not 2312, reset the 245 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, 246 * the 2310 also reports itself as a 2300 so we need to get the 247 * fb revision level -- a 6 indicates it really is a 2300 and 248 * not a 2310. 249 */ 250 if (IS_QLA2300(ha)) { 251 spin_lock_irqsave(&ha->hardware_lock, flags); 252 253 /* Pause RISC. */ 254 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 255 for (cnt = 0; cnt < 30000; cnt++) { 256 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) != 0) 257 break; 258 259 udelay(10); 260 } 261 262 /* Select FPM registers. */ 263 WRT_REG_WORD(®->ctrl_status, 0x20); 264 RD_REG_WORD(®->ctrl_status); 265 266 /* Get the fb rev level */ 267 ha->fb_rev = RD_FB_CMD_REG(ha, reg); 268 269 if (ha->fb_rev == FPM_2300) 270 w &= ~PCI_COMMAND_INVALIDATE; 271 272 /* Deselect FPM registers. */ 273 WRT_REG_WORD(®->ctrl_status, 0x0); 274 RD_REG_WORD(®->ctrl_status); 275 276 /* Release RISC module. */ 277 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 278 for (cnt = 0; cnt < 30000; cnt++) { 279 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0) 280 break; 281 282 udelay(10); 283 } 284 285 spin_unlock_irqrestore(&ha->hardware_lock, flags); 286 } 287 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 288 289 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 290 291 /* Reset expansion ROM address decode enable */ 292 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 293 d &= ~PCI_ROM_ADDRESS_ENABLE; 294 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 295 296 /* Get PCI bus information. */ 297 spin_lock_irqsave(&ha->hardware_lock, flags); 298 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 299 spin_unlock_irqrestore(&ha->hardware_lock, flags); 300 301 return QLA_SUCCESS; 302 } 303 304 /** 305 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers. 306 * @ha: HA context 307 * 308 * Returns 0 on success. 309 */ 310 int 311 qla24xx_pci_config(scsi_qla_host_t *ha) 312 { 313 uint16_t w, mwi; 314 uint32_t d; 315 unsigned long flags = 0; 316 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 317 int pcix_cmd_reg, pcie_dctl_reg; 318 319 pci_set_master(ha->pdev); 320 mwi = 0; 321 if (pci_set_mwi(ha->pdev)) 322 mwi = PCI_COMMAND_INVALIDATE; 323 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); 324 325 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 326 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 327 w &= ~PCI_COMMAND_INTX_DISABLE; 328 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 329 330 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 331 332 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */ 333 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX); 334 if (pcix_cmd_reg) { 335 uint16_t pcix_cmd; 336 337 pcix_cmd_reg += PCI_X_CMD; 338 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd); 339 pcix_cmd &= ~PCI_X_CMD_MAX_READ; 340 pcix_cmd |= 0x0008; 341 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd); 342 } 343 344 /* PCIe -- adjust Maximum Read Request Size (2048). */ 345 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); 346 if (pcie_dctl_reg) { 347 uint16_t pcie_dctl; 348 349 pcie_dctl_reg += PCI_EXP_DEVCTL; 350 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl); 351 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ; 352 pcie_dctl |= 0x4000; 353 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl); 354 } 355 356 /* Reset expansion ROM address decode enable */ 357 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 358 d &= ~PCI_ROM_ADDRESS_ENABLE; 359 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 360 361 /* Get PCI bus information. */ 362 spin_lock_irqsave(&ha->hardware_lock, flags); 363 ha->pci_attr = RD_REG_DWORD(®->ctrl_status); 364 spin_unlock_irqrestore(&ha->hardware_lock, flags); 365 366 return QLA_SUCCESS; 367 } 368 369 /** 370 * qla2x00_isp_firmware() - Choose firmware image. 371 * @ha: HA context 372 * 373 * Returns 0 on success. 374 */ 375 static int 376 qla2x00_isp_firmware(scsi_qla_host_t *ha) 377 { 378 int rval; 379 380 /* Assume loading risc code */ 381 rval = QLA_FUNCTION_FAILED; 382 383 if (ha->flags.disable_risc_code_load) { 384 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", 385 ha->host_no)); 386 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); 387 388 /* Verify checksum of loaded RISC code. */ 389 rval = qla2x00_verify_checksum(ha, 390 IS_QLA24XX(ha) || IS_QLA54XX(ha) ? RISC_SADDRESS : 391 *ha->brd_info->fw_info[0].fwstart); 392 } 393 394 if (rval) { 395 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", 396 ha->host_no)); 397 } 398 399 return (rval); 400 } 401 402 /** 403 * qla2x00_reset_chip() - Reset ISP chip. 404 * @ha: HA context 405 * 406 * Returns 0 on success. 407 */ 408 void 409 qla2x00_reset_chip(scsi_qla_host_t *ha) 410 { 411 unsigned long flags = 0; 412 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 413 uint32_t cnt; 414 unsigned long mbx_flags = 0; 415 uint16_t cmd; 416 417 ha->isp_ops.disable_intrs(ha); 418 419 spin_lock_irqsave(&ha->hardware_lock, flags); 420 421 /* Turn off master enable */ 422 cmd = 0; 423 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); 424 cmd &= ~PCI_COMMAND_MASTER; 425 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 426 427 if (!IS_QLA2100(ha)) { 428 /* Pause RISC. */ 429 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 430 if (IS_QLA2200(ha) || IS_QLA2300(ha)) { 431 for (cnt = 0; cnt < 30000; cnt++) { 432 if ((RD_REG_WORD(®->hccr) & 433 HCCR_RISC_PAUSE) != 0) 434 break; 435 udelay(100); 436 } 437 } else { 438 RD_REG_WORD(®->hccr); /* PCI Posting. */ 439 udelay(10); 440 } 441 442 /* Select FPM registers. */ 443 WRT_REG_WORD(®->ctrl_status, 0x20); 444 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 445 446 /* FPM Soft Reset. */ 447 WRT_REG_WORD(®->fpm_diag_config, 0x100); 448 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 449 450 /* Toggle Fpm Reset. */ 451 if (!IS_QLA2200(ha)) { 452 WRT_REG_WORD(®->fpm_diag_config, 0x0); 453 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 454 } 455 456 /* Select frame buffer registers. */ 457 WRT_REG_WORD(®->ctrl_status, 0x10); 458 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 459 460 /* Reset frame buffer FIFOs. */ 461 if (IS_QLA2200(ha)) { 462 WRT_FB_CMD_REG(ha, reg, 0xa000); 463 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ 464 } else { 465 WRT_FB_CMD_REG(ha, reg, 0x00fc); 466 467 /* Read back fb_cmd until zero or 3 seconds max */ 468 for (cnt = 0; cnt < 3000; cnt++) { 469 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) 470 break; 471 udelay(100); 472 } 473 } 474 475 /* Select RISC module registers. */ 476 WRT_REG_WORD(®->ctrl_status, 0); 477 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 478 479 /* Reset RISC processor. */ 480 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 481 RD_REG_WORD(®->hccr); /* PCI Posting. */ 482 483 /* Release RISC processor. */ 484 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 485 RD_REG_WORD(®->hccr); /* PCI Posting. */ 486 } 487 488 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 489 WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); 490 491 /* Reset ISP chip. */ 492 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 493 494 /* Wait for RISC to recover from reset. */ 495 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 496 /* 497 * It is necessary to for a delay here since the card doesn't 498 * respond to PCI reads during a reset. On some architectures 499 * this will result in an MCA. 500 */ 501 udelay(20); 502 for (cnt = 30000; cnt; cnt--) { 503 if ((RD_REG_WORD(®->ctrl_status) & 504 CSR_ISP_SOFT_RESET) == 0) 505 break; 506 udelay(100); 507 } 508 } else 509 udelay(10); 510 511 /* Reset RISC processor. */ 512 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 513 514 WRT_REG_WORD(®->semaphore, 0); 515 516 /* Release RISC processor. */ 517 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 518 RD_REG_WORD(®->hccr); /* PCI Posting. */ 519 520 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 521 for (cnt = 0; cnt < 30000; cnt++) { 522 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) 523 spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags); 524 525 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) { 526 if (!(test_bit(ABORT_ISP_ACTIVE, 527 &ha->dpc_flags))) 528 spin_unlock_irqrestore( 529 &ha->mbx_reg_lock, mbx_flags); 530 break; 531 } 532 533 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) 534 spin_unlock_irqrestore(&ha->mbx_reg_lock, 535 mbx_flags); 536 537 udelay(100); 538 } 539 } else 540 udelay(100); 541 542 /* Turn on master enable */ 543 cmd |= PCI_COMMAND_MASTER; 544 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 545 546 /* Disable RISC pause on FPM parity error. */ 547 if (!IS_QLA2100(ha)) { 548 WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); 549 RD_REG_WORD(®->hccr); /* PCI Posting. */ 550 } 551 552 spin_unlock_irqrestore(&ha->hardware_lock, flags); 553 } 554 555 /** 556 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC. 557 * @ha: HA context 558 * 559 * Returns 0 on success. 560 */ 561 static inline void 562 qla24xx_reset_risc(scsi_qla_host_t *ha) 563 { 564 unsigned long flags = 0; 565 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 566 uint32_t cnt, d2; 567 uint16_t wd; 568 569 spin_lock_irqsave(&ha->hardware_lock, flags); 570 571 /* Reset RISC. */ 572 WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 573 for (cnt = 0; cnt < 30000; cnt++) { 574 if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) 575 break; 576 577 udelay(10); 578 } 579 580 WRT_REG_DWORD(®->ctrl_status, 581 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 582 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd); 583 584 udelay(100); 585 /* Wait for firmware to complete NVRAM accesses. */ 586 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 587 for (cnt = 10000 ; cnt && d2; cnt--) { 588 udelay(5); 589 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 590 barrier(); 591 } 592 593 /* Wait for soft-reset to complete. */ 594 d2 = RD_REG_DWORD(®->ctrl_status); 595 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) { 596 udelay(5); 597 d2 = RD_REG_DWORD(®->ctrl_status); 598 barrier(); 599 } 600 601 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 602 RD_REG_DWORD(®->hccr); 603 604 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 605 RD_REG_DWORD(®->hccr); 606 607 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET); 608 RD_REG_DWORD(®->hccr); 609 610 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 611 for (cnt = 6000000 ; cnt && d2; cnt--) { 612 udelay(5); 613 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 614 barrier(); 615 } 616 617 spin_unlock_irqrestore(&ha->hardware_lock, flags); 618 } 619 620 /** 621 * qla24xx_reset_chip() - Reset ISP24xx chip. 622 * @ha: HA context 623 * 624 * Returns 0 on success. 625 */ 626 void 627 qla24xx_reset_chip(scsi_qla_host_t *ha) 628 { 629 ha->isp_ops.disable_intrs(ha); 630 631 /* Perform RISC reset. */ 632 qla24xx_reset_risc(ha); 633 } 634 635 /** 636 * qla2x00_chip_diag() - Test chip for proper operation. 637 * @ha: HA context 638 * 639 * Returns 0 on success. 640 */ 641 int 642 qla2x00_chip_diag(scsi_qla_host_t *ha) 643 { 644 int rval; 645 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 646 unsigned long flags = 0; 647 uint16_t data; 648 uint32_t cnt; 649 uint16_t mb[5]; 650 651 /* Assume a failed state */ 652 rval = QLA_FUNCTION_FAILED; 653 654 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", 655 ha->host_no, (u_long)®->flash_address)); 656 657 spin_lock_irqsave(&ha->hardware_lock, flags); 658 659 /* Reset ISP chip. */ 660 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 661 662 /* 663 * We need to have a delay here since the card will not respond while 664 * in reset causing an MCA on some architectures. 665 */ 666 udelay(20); 667 data = qla2x00_debounce_register(®->ctrl_status); 668 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { 669 udelay(5); 670 data = RD_REG_WORD(®->ctrl_status); 671 barrier(); 672 } 673 674 if (!cnt) 675 goto chip_diag_failed; 676 677 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", 678 ha->host_no)); 679 680 /* Reset RISC processor. */ 681 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 682 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 683 684 /* Workaround for QLA2312 PCI parity error */ 685 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 686 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); 687 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { 688 udelay(5); 689 data = RD_MAILBOX_REG(ha, reg, 0); 690 barrier(); 691 } 692 } else 693 udelay(10); 694 695 if (!cnt) 696 goto chip_diag_failed; 697 698 /* Check product ID of chip */ 699 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); 700 701 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 702 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 703 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 704 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); 705 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || 706 mb[3] != PROD_ID_3) { 707 qla_printk(KERN_WARNING, ha, 708 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); 709 710 goto chip_diag_failed; 711 } 712 ha->product_id[0] = mb[1]; 713 ha->product_id[1] = mb[2]; 714 ha->product_id[2] = mb[3]; 715 ha->product_id[3] = mb[4]; 716 717 /* Adjust fw RISC transfer size */ 718 if (ha->request_q_length > 1024) 719 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 720 else 721 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 722 ha->request_q_length; 723 724 if (IS_QLA2200(ha) && 725 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { 726 /* Limit firmware transfer size with a 2200A */ 727 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", 728 ha->host_no)); 729 730 ha->device_type |= DT_ISP2200A; 731 ha->fw_transfer_size = 128; 732 } 733 734 /* Wrap Incoming Mailboxes Test. */ 735 spin_unlock_irqrestore(&ha->hardware_lock, flags); 736 737 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); 738 rval = qla2x00_mbx_reg_test(ha); 739 if (rval) { 740 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 741 ha->host_no)); 742 qla_printk(KERN_WARNING, ha, 743 "Failed mailbox send register test\n"); 744 } 745 else { 746 /* Flag a successful rval */ 747 rval = QLA_SUCCESS; 748 } 749 spin_lock_irqsave(&ha->hardware_lock, flags); 750 751 chip_diag_failed: 752 if (rval) 753 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " 754 "****\n", ha->host_no)); 755 756 spin_unlock_irqrestore(&ha->hardware_lock, flags); 757 758 return (rval); 759 } 760 761 /** 762 * qla24xx_chip_diag() - Test ISP24xx for proper operation. 763 * @ha: HA context 764 * 765 * Returns 0 on success. 766 */ 767 int 768 qla24xx_chip_diag(scsi_qla_host_t *ha) 769 { 770 int rval; 771 772 /* Perform RISC reset. */ 773 qla24xx_reset_risc(ha); 774 775 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 776 777 rval = qla2x00_mbx_reg_test(ha); 778 if (rval) { 779 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 780 ha->host_no)); 781 qla_printk(KERN_WARNING, ha, 782 "Failed mailbox send register test\n"); 783 } else { 784 /* Flag a successful rval */ 785 rval = QLA_SUCCESS; 786 } 787 788 return rval; 789 } 790 791 static void 792 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) 793 { 794 ha->fw_dumped = 0; 795 ha->fw_dump24_len = sizeof(struct qla24xx_fw_dump); 796 ha->fw_dump24_len += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t); 797 ha->fw_dump24 = vmalloc(ha->fw_dump24_len); 798 if (ha->fw_dump24) 799 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware " 800 "dump...\n", ha->fw_dump24_len / 1024); 801 else 802 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for " 803 "firmware dump!!!\n", ha->fw_dump24_len / 1024); 804 } 805 806 /** 807 * qla2x00_resize_request_q() - Resize request queue given available ISP memory. 808 * @ha: HA context 809 * 810 * Returns 0 on success. 811 */ 812 static void 813 qla2x00_resize_request_q(scsi_qla_host_t *ha) 814 { 815 int rval; 816 uint16_t fw_iocb_cnt = 0; 817 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; 818 dma_addr_t request_dma; 819 request_t *request_ring; 820 821 /* Valid only on recent ISPs. */ 822 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 823 return; 824 825 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) 826 qla2x00_alloc_fw_dump(ha); 827 828 /* Retrieve IOCB counts available to the firmware. */ 829 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt); 830 if (rval) 831 return; 832 /* No point in continuing if current settings are sufficient. */ 833 if (fw_iocb_cnt < 1024) 834 return; 835 if (ha->request_q_length >= request_q_length) 836 return; 837 838 /* Attempt to claim larger area for request queue. */ 839 request_ring = dma_alloc_coherent(&ha->pdev->dev, 840 (request_q_length + 1) * sizeof(request_t), &request_dma, 841 GFP_KERNEL); 842 if (request_ring == NULL) 843 return; 844 845 /* Resize successful, report extensions. */ 846 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", 847 (ha->fw_memory_size + 1) / 1024); 848 qla_printk(KERN_INFO, ha, "Resizing request queue depth " 849 "(%d -> %d)...\n", ha->request_q_length, request_q_length); 850 851 /* Clear old allocations. */ 852 dma_free_coherent(&ha->pdev->dev, 853 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, 854 ha->request_dma); 855 856 /* Begin using larger queue. */ 857 ha->request_q_length = request_q_length; 858 ha->request_ring = request_ring; 859 ha->request_dma = request_dma; 860 } 861 862 /** 863 * qla2x00_setup_chip() - Load and start RISC firmware. 864 * @ha: HA context 865 * 866 * Returns 0 on success. 867 */ 868 static int 869 qla2x00_setup_chip(scsi_qla_host_t *ha) 870 { 871 int rval; 872 uint32_t srisc_address = 0; 873 874 /* Load firmware sequences */ 875 rval = ha->isp_ops.load_risc(ha, &srisc_address); 876 if (rval == QLA_SUCCESS) { 877 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " 878 "code.\n", ha->host_no)); 879 880 rval = qla2x00_verify_checksum(ha, srisc_address); 881 if (rval == QLA_SUCCESS) { 882 /* Start firmware execution. */ 883 DEBUG(printk("scsi(%ld): Checksum OK, start " 884 "firmware.\n", ha->host_no)); 885 886 rval = qla2x00_execute_fw(ha, srisc_address); 887 /* Retrieve firmware information. */ 888 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { 889 qla2x00_get_fw_version(ha, 890 &ha->fw_major_version, 891 &ha->fw_minor_version, 892 &ha->fw_subminor_version, 893 &ha->fw_attributes, &ha->fw_memory_size); 894 qla2x00_resize_request_q(ha); 895 } 896 } else { 897 DEBUG2(printk(KERN_INFO 898 "scsi(%ld): ISP Firmware failed checksum.\n", 899 ha->host_no)); 900 } 901 } 902 903 if (rval) { 904 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", 905 ha->host_no)); 906 } 907 908 return (rval); 909 } 910 911 /** 912 * qla2x00_init_response_q_entries() - Initializes response queue entries. 913 * @ha: HA context 914 * 915 * Beginning of request ring has initialization control block already built 916 * by nvram config routine. 917 * 918 * Returns 0 on success. 919 */ 920 static void 921 qla2x00_init_response_q_entries(scsi_qla_host_t *ha) 922 { 923 uint16_t cnt; 924 response_t *pkt; 925 926 pkt = ha->response_ring_ptr; 927 for (cnt = 0; cnt < ha->response_q_length; cnt++) { 928 pkt->signature = RESPONSE_PROCESSED; 929 pkt++; 930 } 931 932 } 933 934 /** 935 * qla2x00_update_fw_options() - Read and process firmware options. 936 * @ha: HA context 937 * 938 * Returns 0 on success. 939 */ 940 void 941 qla2x00_update_fw_options(scsi_qla_host_t *ha) 942 { 943 uint16_t swing, emphasis, tx_sens, rx_sens; 944 945 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 946 qla2x00_get_fw_options(ha, ha->fw_options); 947 948 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 949 return; 950 951 /* Serial Link options. */ 952 DEBUG3(printk("scsi(%ld): Serial link options:\n", 953 ha->host_no)); 954 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, 955 sizeof(ha->fw_seriallink_options))); 956 957 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 958 if (ha->fw_seriallink_options[3] & BIT_2) { 959 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 960 961 /* 1G settings */ 962 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 963 emphasis = (ha->fw_seriallink_options[2] & 964 (BIT_4 | BIT_3)) >> 3; 965 tx_sens = ha->fw_seriallink_options[0] & 966 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 967 rx_sens = (ha->fw_seriallink_options[0] & 968 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 969 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 970 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 971 if (rx_sens == 0x0) 972 rx_sens = 0x3; 973 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 974 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 975 ha->fw_options[10] |= BIT_5 | 976 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 977 (tx_sens & (BIT_1 | BIT_0)); 978 979 /* 2G settings */ 980 swing = (ha->fw_seriallink_options[2] & 981 (BIT_7 | BIT_6 | BIT_5)) >> 5; 982 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 983 tx_sens = ha->fw_seriallink_options[1] & 984 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 985 rx_sens = (ha->fw_seriallink_options[1] & 986 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 987 ha->fw_options[11] = (emphasis << 14) | (swing << 8); 988 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 989 if (rx_sens == 0x0) 990 rx_sens = 0x3; 991 ha->fw_options[11] |= (tx_sens << 4) | rx_sens; 992 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 993 ha->fw_options[11] |= BIT_5 | 994 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 995 (tx_sens & (BIT_1 | BIT_0)); 996 } 997 998 /* FCP2 options. */ 999 /* Return command IOCBs without waiting for an ABTS to complete. */ 1000 ha->fw_options[3] |= BIT_13; 1001 1002 /* LED scheme. */ 1003 if (ha->flags.enable_led_scheme) 1004 ha->fw_options[2] |= BIT_12; 1005 1006 /* Detect ISP6312. */ 1007 if (IS_QLA6312(ha)) 1008 ha->fw_options[2] |= BIT_13; 1009 1010 /* Update firmware options. */ 1011 qla2x00_set_fw_options(ha, ha->fw_options); 1012 } 1013 1014 void 1015 qla24xx_update_fw_options(scsi_qla_host_t *ha) 1016 { 1017 int rval; 1018 1019 /* Update Serial Link options. */ 1020 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0) 1021 return; 1022 1023 rval = qla2x00_set_serdes_params(ha, 1024 le16_to_cpu(ha->fw_seriallink_options24[1]), 1025 le16_to_cpu(ha->fw_seriallink_options24[2]), 1026 le16_to_cpu(ha->fw_seriallink_options24[3])); 1027 if (rval != QLA_SUCCESS) { 1028 qla_printk(KERN_WARNING, ha, 1029 "Unable to update Serial Link options (%x).\n", rval); 1030 } 1031 } 1032 1033 void 1034 qla2x00_config_rings(struct scsi_qla_host *ha) 1035 { 1036 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1037 1038 /* Setup ring parameters in initialization control block. */ 1039 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); 1040 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); 1041 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); 1042 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); 1043 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1044 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1045 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1046 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1047 1048 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); 1049 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); 1050 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); 1051 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); 1052 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 1053 } 1054 1055 void 1056 qla24xx_config_rings(struct scsi_qla_host *ha) 1057 { 1058 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1059 struct init_cb_24xx *icb; 1060 1061 /* Setup ring parameters in initialization control block. */ 1062 icb = (struct init_cb_24xx *)ha->init_cb; 1063 icb->request_q_outpointer = __constant_cpu_to_le16(0); 1064 icb->response_q_inpointer = __constant_cpu_to_le16(0); 1065 icb->request_q_length = cpu_to_le16(ha->request_q_length); 1066 icb->response_q_length = cpu_to_le16(ha->response_q_length); 1067 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1068 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1069 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1070 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1071 1072 WRT_REG_DWORD(®->req_q_in, 0); 1073 WRT_REG_DWORD(®->req_q_out, 0); 1074 WRT_REG_DWORD(®->rsp_q_in, 0); 1075 WRT_REG_DWORD(®->rsp_q_out, 0); 1076 RD_REG_DWORD(®->rsp_q_out); 1077 } 1078 1079 /** 1080 * qla2x00_init_rings() - Initializes firmware. 1081 * @ha: HA context 1082 * 1083 * Beginning of request ring has initialization control block already built 1084 * by nvram config routine. 1085 * 1086 * Returns 0 on success. 1087 */ 1088 static int 1089 qla2x00_init_rings(scsi_qla_host_t *ha) 1090 { 1091 int rval; 1092 unsigned long flags = 0; 1093 int cnt; 1094 1095 spin_lock_irqsave(&ha->hardware_lock, flags); 1096 1097 /* Clear outstanding commands array. */ 1098 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) 1099 ha->outstanding_cmds[cnt] = NULL; 1100 1101 ha->current_outstanding_cmd = 0; 1102 1103 /* Clear RSCN queue. */ 1104 ha->rscn_in_ptr = 0; 1105 ha->rscn_out_ptr = 0; 1106 1107 /* Initialize firmware. */ 1108 ha->request_ring_ptr = ha->request_ring; 1109 ha->req_ring_index = 0; 1110 ha->req_q_cnt = ha->request_q_length; 1111 ha->response_ring_ptr = ha->response_ring; 1112 ha->rsp_ring_index = 0; 1113 1114 /* Initialize response queue entries */ 1115 qla2x00_init_response_q_entries(ha); 1116 1117 ha->isp_ops.config_rings(ha); 1118 1119 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1120 1121 /* Update any ISP specific firmware options before initialization. */ 1122 ha->isp_ops.update_fw_options(ha); 1123 1124 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); 1125 rval = qla2x00_init_firmware(ha, ha->init_cb_size); 1126 if (rval) { 1127 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", 1128 ha->host_no)); 1129 } else { 1130 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", 1131 ha->host_no)); 1132 } 1133 1134 return (rval); 1135 } 1136 1137 /** 1138 * qla2x00_fw_ready() - Waits for firmware ready. 1139 * @ha: HA context 1140 * 1141 * Returns 0 on success. 1142 */ 1143 static int 1144 qla2x00_fw_ready(scsi_qla_host_t *ha) 1145 { 1146 int rval; 1147 unsigned long wtime, mtime; 1148 uint16_t min_wait; /* Minimum wait time if loop is down */ 1149 uint16_t wait_time; /* Wait time if loop is coming ready */ 1150 uint16_t fw_state; 1151 1152 rval = QLA_SUCCESS; 1153 1154 /* 20 seconds for loop down. */ 1155 min_wait = 20; 1156 1157 /* 1158 * Firmware should take at most one RATOV to login, plus 5 seconds for 1159 * our own processing. 1160 */ 1161 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 1162 wait_time = min_wait; 1163 } 1164 1165 /* Min wait time if loop down */ 1166 mtime = jiffies + (min_wait * HZ); 1167 1168 /* wait time before firmware ready */ 1169 wtime = jiffies + (wait_time * HZ); 1170 1171 /* Wait for ISP to finish LIP */ 1172 if (!ha->flags.init_done) 1173 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); 1174 1175 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", 1176 ha->host_no)); 1177 1178 do { 1179 rval = qla2x00_get_firmware_state(ha, &fw_state); 1180 if (rval == QLA_SUCCESS) { 1181 if (fw_state < FSTATE_LOSS_OF_SYNC) { 1182 ha->device_flags &= ~DFLG_NO_CABLE; 1183 } 1184 if (fw_state == FSTATE_READY) { 1185 DEBUG(printk("scsi(%ld): F/W Ready - OK \n", 1186 ha->host_no)); 1187 1188 qla2x00_get_retry_cnt(ha, &ha->retry_count, 1189 &ha->login_timeout, &ha->r_a_tov); 1190 1191 rval = QLA_SUCCESS; 1192 break; 1193 } 1194 1195 rval = QLA_FUNCTION_FAILED; 1196 1197 if (atomic_read(&ha->loop_down_timer) && 1198 (fw_state >= FSTATE_LOSS_OF_SYNC || 1199 fw_state == FSTATE_WAIT_AL_PA)) { 1200 /* Loop down. Timeout on min_wait for states 1201 * other than Wait for Login. 1202 */ 1203 if (time_after_eq(jiffies, mtime)) { 1204 qla_printk(KERN_INFO, ha, 1205 "Cable is unplugged...\n"); 1206 1207 ha->device_flags |= DFLG_NO_CABLE; 1208 break; 1209 } 1210 } 1211 } else { 1212 /* Mailbox cmd failed. Timeout on min_wait. */ 1213 if (time_after_eq(jiffies, mtime)) 1214 break; 1215 } 1216 1217 if (time_after_eq(jiffies, wtime)) 1218 break; 1219 1220 /* Delay for a while */ 1221 msleep(500); 1222 1223 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1224 ha->host_no, fw_state, jiffies)); 1225 } while (1); 1226 1227 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1228 ha->host_no, fw_state, jiffies)); 1229 1230 if (rval) { 1231 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", 1232 ha->host_no)); 1233 } 1234 1235 return (rval); 1236 } 1237 1238 /* 1239 * qla2x00_configure_hba 1240 * Setup adapter context. 1241 * 1242 * Input: 1243 * ha = adapter state pointer. 1244 * 1245 * Returns: 1246 * 0 = success 1247 * 1248 * Context: 1249 * Kernel context. 1250 */ 1251 static int 1252 qla2x00_configure_hba(scsi_qla_host_t *ha) 1253 { 1254 int rval; 1255 uint16_t loop_id; 1256 uint16_t topo; 1257 uint8_t al_pa; 1258 uint8_t area; 1259 uint8_t domain; 1260 char connect_type[22]; 1261 1262 /* Get host addresses. */ 1263 rval = qla2x00_get_adapter_id(ha, 1264 &loop_id, &al_pa, &area, &domain, &topo); 1265 if (rval != QLA_SUCCESS) { 1266 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) || 1267 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { 1268 DEBUG2(printk("%s(%ld) Loop is in a transition state\n", 1269 __func__, ha->host_no)); 1270 } else { 1271 qla_printk(KERN_WARNING, ha, 1272 "ERROR -- Unable to get host loop ID.\n"); 1273 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 1274 } 1275 return (rval); 1276 } 1277 1278 if (topo == 4) { 1279 qla_printk(KERN_INFO, ha, 1280 "Cannot get topology - retrying.\n"); 1281 return (QLA_FUNCTION_FAILED); 1282 } 1283 1284 ha->loop_id = loop_id; 1285 1286 /* initialize */ 1287 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 1288 ha->operating_mode = LOOP; 1289 1290 switch (topo) { 1291 case 0: 1292 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", 1293 ha->host_no)); 1294 ha->current_topology = ISP_CFG_NL; 1295 strcpy(connect_type, "(Loop)"); 1296 break; 1297 1298 case 1: 1299 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", 1300 ha->host_no)); 1301 ha->current_topology = ISP_CFG_FL; 1302 strcpy(connect_type, "(FL_Port)"); 1303 break; 1304 1305 case 2: 1306 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", 1307 ha->host_no)); 1308 ha->operating_mode = P2P; 1309 ha->current_topology = ISP_CFG_N; 1310 strcpy(connect_type, "(N_Port-to-N_Port)"); 1311 break; 1312 1313 case 3: 1314 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", 1315 ha->host_no)); 1316 ha->operating_mode = P2P; 1317 ha->current_topology = ISP_CFG_F; 1318 strcpy(connect_type, "(F_Port)"); 1319 break; 1320 1321 default: 1322 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " 1323 "Using NL.\n", 1324 ha->host_no, topo)); 1325 ha->current_topology = ISP_CFG_NL; 1326 strcpy(connect_type, "(Loop)"); 1327 break; 1328 } 1329 1330 /* Save Host port and loop ID. */ 1331 /* byte order - Big Endian */ 1332 ha->d_id.b.domain = domain; 1333 ha->d_id.b.area = area; 1334 ha->d_id.b.al_pa = al_pa; 1335 1336 if (!ha->flags.init_done) 1337 qla_printk(KERN_INFO, ha, 1338 "Topology - %s, Host Loop address 0x%x\n", 1339 connect_type, ha->loop_id); 1340 1341 if (rval) { 1342 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); 1343 } else { 1344 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); 1345 } 1346 1347 return(rval); 1348 } 1349 1350 /* 1351 * NVRAM configuration for ISP 2xxx 1352 * 1353 * Input: 1354 * ha = adapter block pointer. 1355 * 1356 * Output: 1357 * initialization control block in response_ring 1358 * host adapters parameters in host adapter block 1359 * 1360 * Returns: 1361 * 0 = success. 1362 */ 1363 int 1364 qla2x00_nvram_config(scsi_qla_host_t *ha) 1365 { 1366 int rval; 1367 uint8_t chksum = 0; 1368 uint16_t cnt; 1369 uint8_t *dptr1, *dptr2; 1370 init_cb_t *icb = ha->init_cb; 1371 nvram_t *nv = (nvram_t *)ha->request_ring; 1372 uint8_t *ptr = (uint8_t *)ha->request_ring; 1373 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1374 1375 rval = QLA_SUCCESS; 1376 1377 /* Determine NVRAM starting address. */ 1378 ha->nvram_size = sizeof(nvram_t); 1379 ha->nvram_base = 0; 1380 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 1381 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) 1382 ha->nvram_base = 0x80; 1383 1384 /* Get NVRAM data and calculate checksum. */ 1385 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size); 1386 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 1387 chksum += *ptr++; 1388 1389 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 1390 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, 1391 ha->nvram_size)); 1392 1393 /* Bad NVRAM data, set defaults parameters. */ 1394 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || 1395 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { 1396 /* Reset NVRAM data. */ 1397 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 1398 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 1399 nv->nvram_version); 1400 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 1401 "invalid -- WWPN) defaults.\n"); 1402 1403 /* 1404 * Set default initialization control block. 1405 */ 1406 memset(nv, 0, ha->nvram_size); 1407 nv->parameter_block_version = ICB_VERSION; 1408 1409 if (IS_QLA23XX(ha)) { 1410 nv->firmware_options[0] = BIT_2 | BIT_1; 1411 nv->firmware_options[1] = BIT_7 | BIT_5; 1412 nv->add_firmware_options[0] = BIT_5; 1413 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1414 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1415 nv->special_options[1] = BIT_7; 1416 } else if (IS_QLA2200(ha)) { 1417 nv->firmware_options[0] = BIT_2 | BIT_1; 1418 nv->firmware_options[1] = BIT_7 | BIT_5; 1419 nv->add_firmware_options[0] = BIT_5; 1420 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1421 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1422 } else if (IS_QLA2100(ha)) { 1423 nv->firmware_options[0] = BIT_3 | BIT_1; 1424 nv->firmware_options[1] = BIT_5; 1425 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1426 } 1427 1428 nv->max_iocb_allocation = __constant_cpu_to_le16(256); 1429 nv->execution_throttle = __constant_cpu_to_le16(16); 1430 nv->retry_count = 8; 1431 nv->retry_delay = 1; 1432 1433 nv->port_name[0] = 33; 1434 nv->port_name[3] = 224; 1435 nv->port_name[4] = 139; 1436 1437 nv->login_timeout = 4; 1438 1439 /* 1440 * Set default host adapter parameters 1441 */ 1442 nv->host_p[1] = BIT_2; 1443 nv->reset_delay = 5; 1444 nv->port_down_retry_count = 8; 1445 nv->max_luns_per_target = __constant_cpu_to_le16(8); 1446 nv->link_down_timeout = 60; 1447 1448 rval = 1; 1449 } 1450 1451 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) 1452 /* 1453 * The SN2 does not provide BIOS emulation which means you can't change 1454 * potentially bogus BIOS settings. Force the use of default settings 1455 * for link rate and frame size. Hope that the rest of the settings 1456 * are valid. 1457 */ 1458 if (ia64_platform_is("sn2")) { 1459 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1460 if (IS_QLA23XX(ha)) 1461 nv->special_options[1] = BIT_7; 1462 } 1463 #endif 1464 1465 /* Reset Initialization control block */ 1466 memset(icb, 0, ha->init_cb_size); 1467 1468 /* 1469 * Setup driver NVRAM options. 1470 */ 1471 nv->firmware_options[0] |= (BIT_6 | BIT_1); 1472 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 1473 nv->firmware_options[1] |= (BIT_5 | BIT_0); 1474 nv->firmware_options[1] &= ~BIT_4; 1475 1476 if (IS_QLA23XX(ha)) { 1477 nv->firmware_options[0] |= BIT_2; 1478 nv->firmware_options[0] &= ~BIT_3; 1479 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 1480 1481 if (IS_QLA2300(ha)) { 1482 if (ha->fb_rev == FPM_2310) { 1483 strcpy(ha->model_number, "QLA2310"); 1484 } else { 1485 strcpy(ha->model_number, "QLA2300"); 1486 } 1487 } else { 1488 if (rval == 0 && 1489 memcmp(nv->model_number, BINZERO, 1490 sizeof(nv->model_number)) != 0) { 1491 char *st, *en; 1492 1493 strncpy(ha->model_number, nv->model_number, 1494 sizeof(nv->model_number)); 1495 st = en = ha->model_number; 1496 en += sizeof(nv->model_number) - 1; 1497 while (en > st) { 1498 if (*en != 0x20 && *en != 0x00) 1499 break; 1500 *en-- = '\0'; 1501 } 1502 } else { 1503 uint16_t index; 1504 1505 index = (ha->pdev->subsystem_device & 0xff); 1506 if (index < QLA_MODEL_NAMES) { 1507 strcpy(ha->model_number, 1508 qla2x00_model_name[index * 2]); 1509 ha->model_desc = 1510 qla2x00_model_name[index * 2 + 1]; 1511 } else { 1512 strcpy(ha->model_number, "QLA23xx"); 1513 } 1514 } 1515 } 1516 } else if (IS_QLA2200(ha)) { 1517 nv->firmware_options[0] |= BIT_2; 1518 /* 1519 * 'Point-to-point preferred, else loop' is not a safe 1520 * connection mode setting. 1521 */ 1522 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 1523 (BIT_5 | BIT_4)) { 1524 /* Force 'loop preferred, else point-to-point'. */ 1525 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 1526 nv->add_firmware_options[0] |= BIT_5; 1527 } 1528 strcpy(ha->model_number, "QLA22xx"); 1529 } else /*if (IS_QLA2100(ha))*/ { 1530 strcpy(ha->model_number, "QLA2100"); 1531 } 1532 1533 /* 1534 * Copy over NVRAM RISC parameter block to initialization control block. 1535 */ 1536 dptr1 = (uint8_t *)icb; 1537 dptr2 = (uint8_t *)&nv->parameter_block_version; 1538 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 1539 while (cnt--) 1540 *dptr1++ = *dptr2++; 1541 1542 /* Copy 2nd half. */ 1543 dptr1 = (uint8_t *)icb->add_firmware_options; 1544 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 1545 while (cnt--) 1546 *dptr1++ = *dptr2++; 1547 1548 /* Prepare nodename */ 1549 if ((icb->firmware_options[1] & BIT_6) == 0) { 1550 /* 1551 * Firmware will apply the following mask if the nodename was 1552 * not provided. 1553 */ 1554 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 1555 icb->node_name[0] &= 0xF0; 1556 } 1557 1558 /* 1559 * Set host adapter parameters. 1560 */ 1561 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 1562 /* Always load RISC code on non ISP2[12]00 chips. */ 1563 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 1564 ha->flags.disable_risc_code_load = 0; 1565 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 1566 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 1567 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 1568 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; 1569 1570 ha->operating_mode = 1571 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 1572 1573 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 1574 sizeof(ha->fw_seriallink_options)); 1575 1576 /* save HBA serial number */ 1577 ha->serial0 = icb->port_name[5]; 1578 ha->serial1 = icb->port_name[6]; 1579 ha->serial2 = icb->port_name[7]; 1580 ha->node_name = icb->node_name; 1581 ha->port_name = icb->port_name; 1582 1583 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 1584 1585 ha->retry_count = nv->retry_count; 1586 1587 /* Set minimum login_timeout to 4 seconds. */ 1588 if (nv->login_timeout < ql2xlogintimeout) 1589 nv->login_timeout = ql2xlogintimeout; 1590 if (nv->login_timeout < 4) 1591 nv->login_timeout = 4; 1592 ha->login_timeout = nv->login_timeout; 1593 icb->login_timeout = nv->login_timeout; 1594 1595 /* Set minimum RATOV to 200 tenths of a second. */ 1596 ha->r_a_tov = 200; 1597 1598 ha->loop_reset_delay = nv->reset_delay; 1599 1600 /* Link Down Timeout = 0: 1601 * 1602 * When Port Down timer expires we will start returning 1603 * I/O's to OS with "DID_NO_CONNECT". 1604 * 1605 * Link Down Timeout != 0: 1606 * 1607 * The driver waits for the link to come up after link down 1608 * before returning I/Os to OS with "DID_NO_CONNECT". 1609 */ 1610 if (nv->link_down_timeout == 0) { 1611 ha->loop_down_abort_time = 1612 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 1613 } else { 1614 ha->link_down_timeout = nv->link_down_timeout; 1615 ha->loop_down_abort_time = 1616 (LOOP_DOWN_TIME - ha->link_down_timeout); 1617 } 1618 1619 /* 1620 * Need enough time to try and get the port back. 1621 */ 1622 ha->port_down_retry_count = nv->port_down_retry_count; 1623 if (qlport_down_retry) 1624 ha->port_down_retry_count = qlport_down_retry; 1625 /* Set login_retry_count */ 1626 ha->login_retry_count = nv->retry_count; 1627 if (ha->port_down_retry_count == nv->port_down_retry_count && 1628 ha->port_down_retry_count > 3) 1629 ha->login_retry_count = ha->port_down_retry_count; 1630 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 1631 ha->login_retry_count = ha->port_down_retry_count; 1632 if (ql2xloginretrycount) 1633 ha->login_retry_count = ql2xloginretrycount; 1634 1635 icb->lun_enables = __constant_cpu_to_le16(0); 1636 icb->command_resource_count = 0; 1637 icb->immediate_notify_resource_count = 0; 1638 icb->timeout = __constant_cpu_to_le16(0); 1639 1640 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 1641 /* Enable RIO */ 1642 icb->firmware_options[0] &= ~BIT_3; 1643 icb->add_firmware_options[0] &= 1644 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1645 icb->add_firmware_options[0] |= BIT_2; 1646 icb->response_accumulation_timer = 3; 1647 icb->interrupt_delay_timer = 5; 1648 1649 ha->flags.process_response_queue = 1; 1650 } else { 1651 /* Enable ZIO. */ 1652 if (!ha->flags.init_done) { 1653 ha->zio_mode = icb->add_firmware_options[0] & 1654 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1655 ha->zio_timer = icb->interrupt_delay_timer ? 1656 icb->interrupt_delay_timer: 2; 1657 } 1658 icb->add_firmware_options[0] &= 1659 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1660 ha->flags.process_response_queue = 0; 1661 if (ha->zio_mode != QLA_ZIO_DISABLED) { 1662 ha->zio_mode = QLA_ZIO_MODE_6; 1663 1664 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer " 1665 "delay (%d us).\n", ha->host_no, ha->zio_mode, 1666 ha->zio_timer * 100)); 1667 qla_printk(KERN_INFO, ha, 1668 "ZIO mode %d enabled; timer delay (%d us).\n", 1669 ha->zio_mode, ha->zio_timer * 100); 1670 1671 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; 1672 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; 1673 ha->flags.process_response_queue = 1; 1674 } 1675 } 1676 1677 if (rval) { 1678 DEBUG2_3(printk(KERN_WARNING 1679 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 1680 } 1681 return (rval); 1682 } 1683 1684 static void 1685 qla2x00_rport_add(void *data) 1686 { 1687 fc_port_t *fcport = data; 1688 1689 qla2x00_reg_remote_port(fcport->ha, fcport); 1690 } 1691 1692 static void 1693 qla2x00_rport_del(void *data) 1694 { 1695 fc_port_t *fcport = data; 1696 struct fc_rport *rport; 1697 unsigned long flags; 1698 1699 spin_lock_irqsave(&fcport->rport_lock, flags); 1700 rport = fcport->drport; 1701 fcport->drport = NULL; 1702 spin_unlock_irqrestore(&fcport->rport_lock, flags); 1703 if (rport) 1704 fc_remote_port_delete(rport); 1705 1706 } 1707 1708 /** 1709 * qla2x00_alloc_fcport() - Allocate a generic fcport. 1710 * @ha: HA context 1711 * @flags: allocation flags 1712 * 1713 * Returns a pointer to the allocated fcport, or NULL, if none available. 1714 */ 1715 fc_port_t * 1716 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags) 1717 { 1718 fc_port_t *fcport; 1719 1720 fcport = kmalloc(sizeof(fc_port_t), flags); 1721 if (fcport == NULL) 1722 return (fcport); 1723 1724 /* Setup fcport template structure. */ 1725 memset(fcport, 0, sizeof (fc_port_t)); 1726 fcport->ha = ha; 1727 fcport->port_type = FCT_UNKNOWN; 1728 fcport->loop_id = FC_NO_LOOP_ID; 1729 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX; 1730 atomic_set(&fcport->state, FCS_UNCONFIGURED); 1731 fcport->flags = FCF_RLC_SUPPORT; 1732 fcport->supported_classes = FC_COS_UNSPECIFIED; 1733 spin_lock_init(&fcport->rport_lock); 1734 INIT_WORK(&fcport->rport_add_work, qla2x00_rport_add, fcport); 1735 INIT_WORK(&fcport->rport_del_work, qla2x00_rport_del, fcport); 1736 1737 return (fcport); 1738 } 1739 1740 /* 1741 * qla2x00_configure_loop 1742 * Updates Fibre Channel Device Database with what is actually on loop. 1743 * 1744 * Input: 1745 * ha = adapter block pointer. 1746 * 1747 * Returns: 1748 * 0 = success. 1749 * 1 = error. 1750 * 2 = database was full and device was not configured. 1751 */ 1752 static int 1753 qla2x00_configure_loop(scsi_qla_host_t *ha) 1754 { 1755 int rval; 1756 unsigned long flags, save_flags; 1757 1758 rval = QLA_SUCCESS; 1759 1760 /* Get Initiator ID */ 1761 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { 1762 rval = qla2x00_configure_hba(ha); 1763 if (rval != QLA_SUCCESS) { 1764 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", 1765 ha->host_no)); 1766 return (rval); 1767 } 1768 } 1769 1770 save_flags = flags = ha->dpc_flags; 1771 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", 1772 ha->host_no, flags)); 1773 1774 /* 1775 * If we have both an RSCN and PORT UPDATE pending then handle them 1776 * both at the same time. 1777 */ 1778 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1779 clear_bit(RSCN_UPDATE, &ha->dpc_flags); 1780 1781 /* Determine what we need to do */ 1782 if (ha->current_topology == ISP_CFG_FL && 1783 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1784 1785 ha->flags.rscn_queue_overflow = 1; 1786 set_bit(RSCN_UPDATE, &flags); 1787 1788 } else if (ha->current_topology == ISP_CFG_F && 1789 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1790 1791 ha->flags.rscn_queue_overflow = 1; 1792 set_bit(RSCN_UPDATE, &flags); 1793 clear_bit(LOCAL_LOOP_UPDATE, &flags); 1794 1795 } else if (!ha->flags.online || 1796 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 1797 1798 ha->flags.rscn_queue_overflow = 1; 1799 set_bit(RSCN_UPDATE, &flags); 1800 set_bit(LOCAL_LOOP_UPDATE, &flags); 1801 } 1802 1803 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 1804 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1805 rval = QLA_FUNCTION_FAILED; 1806 } else { 1807 rval = qla2x00_configure_local_loop(ha); 1808 } 1809 } 1810 1811 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 1812 if (LOOP_TRANSITION(ha)) { 1813 rval = QLA_FUNCTION_FAILED; 1814 } else { 1815 rval = qla2x00_configure_fabric(ha); 1816 } 1817 } 1818 1819 if (rval == QLA_SUCCESS) { 1820 if (atomic_read(&ha->loop_down_timer) || 1821 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1822 rval = QLA_FUNCTION_FAILED; 1823 } else { 1824 atomic_set(&ha->loop_state, LOOP_READY); 1825 1826 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); 1827 } 1828 } 1829 1830 if (rval) { 1831 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", 1832 __func__, ha->host_no)); 1833 } else { 1834 DEBUG3(printk("%s: exiting normally\n", __func__)); 1835 } 1836 1837 /* Restore state if a resync event occured during processing */ 1838 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1839 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 1840 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1841 if (test_bit(RSCN_UPDATE, &save_flags)) 1842 set_bit(RSCN_UPDATE, &ha->dpc_flags); 1843 } 1844 1845 return (rval); 1846 } 1847 1848 1849 1850 /* 1851 * qla2x00_configure_local_loop 1852 * Updates Fibre Channel Device Database with local loop devices. 1853 * 1854 * Input: 1855 * ha = adapter block pointer. 1856 * 1857 * Returns: 1858 * 0 = success. 1859 */ 1860 static int 1861 qla2x00_configure_local_loop(scsi_qla_host_t *ha) 1862 { 1863 int rval, rval2; 1864 int found_devs; 1865 int found; 1866 fc_port_t *fcport, *new_fcport; 1867 1868 uint16_t index; 1869 uint16_t entries; 1870 char *id_iter; 1871 uint16_t loop_id; 1872 uint8_t domain, area, al_pa; 1873 1874 found_devs = 0; 1875 new_fcport = NULL; 1876 entries = MAX_FIBRE_DEVICES; 1877 1878 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); 1879 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); 1880 1881 /* Get list of logged in devices. */ 1882 memset(ha->gid_list, 0, GID_LIST_SIZE); 1883 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, 1884 &entries); 1885 if (rval != QLA_SUCCESS) 1886 goto cleanup_allocation; 1887 1888 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", 1889 ha->host_no, entries)); 1890 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, 1891 entries * sizeof(struct gid_list_info))); 1892 1893 /* Allocate temporary fcport for any new fcports discovered. */ 1894 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 1895 if (new_fcport == NULL) { 1896 rval = QLA_MEMORY_ALLOC_FAILED; 1897 goto cleanup_allocation; 1898 } 1899 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 1900 1901 /* 1902 * Mark local devices that were present with FCF_DEVICE_LOST for now. 1903 */ 1904 list_for_each_entry(fcport, &ha->fcports, list) { 1905 if (atomic_read(&fcport->state) == FCS_ONLINE && 1906 fcport->port_type != FCT_BROADCAST && 1907 (fcport->flags & FCF_FABRIC_DEVICE) == 0) { 1908 1909 DEBUG(printk("scsi(%ld): Marking port lost, " 1910 "loop_id=0x%04x\n", 1911 ha->host_no, fcport->loop_id)); 1912 1913 atomic_set(&fcport->state, FCS_DEVICE_LOST); 1914 fcport->flags &= ~FCF_FARP_DONE; 1915 } 1916 } 1917 1918 /* Add devices to port list. */ 1919 id_iter = (char *)ha->gid_list; 1920 for (index = 0; index < entries; index++) { 1921 domain = ((struct gid_list_info *)id_iter)->domain; 1922 area = ((struct gid_list_info *)id_iter)->area; 1923 al_pa = ((struct gid_list_info *)id_iter)->al_pa; 1924 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1925 loop_id = (uint16_t) 1926 ((struct gid_list_info *)id_iter)->loop_id_2100; 1927 else 1928 loop_id = le16_to_cpu( 1929 ((struct gid_list_info *)id_iter)->loop_id); 1930 id_iter += ha->gid_list_info_size; 1931 1932 /* Bypass reserved domain fields. */ 1933 if ((domain & 0xf0) == 0xf0) 1934 continue; 1935 1936 /* Bypass if not same domain and area of adapter. */ 1937 if (area && domain && 1938 (area != ha->d_id.b.area || domain != ha->d_id.b.domain)) 1939 continue; 1940 1941 /* Bypass invalid local loop ID. */ 1942 if (loop_id > LAST_LOCAL_LOOP_ID) 1943 continue; 1944 1945 /* Fill in member data. */ 1946 new_fcport->d_id.b.domain = domain; 1947 new_fcport->d_id.b.area = area; 1948 new_fcport->d_id.b.al_pa = al_pa; 1949 new_fcport->loop_id = loop_id; 1950 rval2 = qla2x00_get_port_database(ha, new_fcport, 0); 1951 if (rval2 != QLA_SUCCESS) { 1952 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " 1953 "information -- get_port_database=%x, " 1954 "loop_id=0x%04x\n", 1955 ha->host_no, rval2, new_fcport->loop_id)); 1956 DEBUG2(printk("scsi(%ld): Scheduling resync...\n", 1957 ha->host_no)); 1958 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 1959 continue; 1960 } 1961 1962 /* Check for matching device in port list. */ 1963 found = 0; 1964 fcport = NULL; 1965 list_for_each_entry(fcport, &ha->fcports, list) { 1966 if (memcmp(new_fcport->port_name, fcport->port_name, 1967 WWN_SIZE)) 1968 continue; 1969 1970 fcport->flags &= ~(FCF_FABRIC_DEVICE | 1971 FCF_PERSISTENT_BOUND); 1972 fcport->loop_id = new_fcport->loop_id; 1973 fcport->port_type = new_fcport->port_type; 1974 fcport->d_id.b24 = new_fcport->d_id.b24; 1975 memcpy(fcport->node_name, new_fcport->node_name, 1976 WWN_SIZE); 1977 1978 found++; 1979 break; 1980 } 1981 1982 if (!found) { 1983 /* New device, add to fcports list. */ 1984 new_fcport->flags &= ~FCF_PERSISTENT_BOUND; 1985 list_add_tail(&new_fcport->list, &ha->fcports); 1986 1987 /* Allocate a new replacement fcport. */ 1988 fcport = new_fcport; 1989 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 1990 if (new_fcport == NULL) { 1991 rval = QLA_MEMORY_ALLOC_FAILED; 1992 goto cleanup_allocation; 1993 } 1994 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 1995 } 1996 1997 qla2x00_update_fcport(ha, fcport); 1998 1999 found_devs++; 2000 } 2001 2002 cleanup_allocation: 2003 kfree(new_fcport); 2004 2005 if (rval != QLA_SUCCESS) { 2006 DEBUG2(printk("scsi(%ld): Configure local loop error exit: " 2007 "rval=%x\n", ha->host_no, rval)); 2008 } 2009 2010 if (found_devs) { 2011 ha->device_flags |= DFLG_LOCAL_DEVICES; 2012 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; 2013 } 2014 2015 return (rval); 2016 } 2017 2018 static void 2019 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) 2020 { 2021 fc_port_t *fcport; 2022 2023 qla2x00_mark_all_devices_lost(ha, 0); 2024 list_for_each_entry(fcport, &ha->fcports, list) { 2025 if (fcport->port_type != FCT_TARGET) 2026 continue; 2027 2028 qla2x00_update_fcport(ha, fcport); 2029 } 2030 } 2031 2032 /* 2033 * qla2x00_update_fcport 2034 * Updates device on list. 2035 * 2036 * Input: 2037 * ha = adapter block pointer. 2038 * fcport = port structure pointer. 2039 * 2040 * Return: 2041 * 0 - Success 2042 * BIT_0 - error 2043 * 2044 * Context: 2045 * Kernel context. 2046 */ 2047 void 2048 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2049 { 2050 fcport->ha = ha; 2051 fcport->login_retry = 0; 2052 fcport->port_login_retry_count = ha->port_down_retry_count * 2053 PORT_RETRY_TIME; 2054 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count * 2055 PORT_RETRY_TIME); 2056 fcport->flags &= ~FCF_LOGIN_NEEDED; 2057 2058 if (fcport->port_type == FCT_INITIATOR || 2059 fcport->port_type == FCT_BROADCAST) 2060 fcport->device_type = TYPE_PROCESSOR; 2061 2062 atomic_set(&fcport->state, FCS_ONLINE); 2063 2064 if (ha->flags.init_done) 2065 qla2x00_reg_remote_port(ha, fcport); 2066 } 2067 2068 void 2069 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 2070 { 2071 struct fc_rport_identifiers rport_ids; 2072 struct fc_rport *rport; 2073 unsigned long flags; 2074 2075 if (fcport->drport) 2076 qla2x00_rport_del(fcport); 2077 if (fcport->rport) 2078 return; 2079 2080 rport_ids.node_name = wwn_to_u64(fcport->node_name); 2081 rport_ids.port_name = wwn_to_u64(fcport->port_name); 2082 rport_ids.port_id = fcport->d_id.b.domain << 16 | 2083 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 2084 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2085 rport = fc_remote_port_add(ha->host, 0, &rport_ids); 2086 if (!rport) { 2087 qla_printk(KERN_WARNING, ha, 2088 "Unable to allocate fc remote port!\n"); 2089 return; 2090 } 2091 spin_lock_irqsave(&fcport->rport_lock, flags); 2092 fcport->rport = rport; 2093 *((fc_port_t **)rport->dd_data) = fcport; 2094 spin_unlock_irqrestore(&fcport->rport_lock, flags); 2095 2096 rport->supported_classes = fcport->supported_classes; 2097 2098 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2099 if (fcport->port_type == FCT_INITIATOR) 2100 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; 2101 if (fcport->port_type == FCT_TARGET) 2102 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 2103 fc_remote_port_rolechg(rport, rport_ids.roles); 2104 2105 if (rport->scsi_target_id != -1 && 2106 rport->scsi_target_id < ha->host->max_id) 2107 fcport->os_target_id = rport->scsi_target_id; 2108 } 2109 2110 /* 2111 * qla2x00_configure_fabric 2112 * Setup SNS devices with loop ID's. 2113 * 2114 * Input: 2115 * ha = adapter block pointer. 2116 * 2117 * Returns: 2118 * 0 = success. 2119 * BIT_0 = error 2120 */ 2121 static int 2122 qla2x00_configure_fabric(scsi_qla_host_t *ha) 2123 { 2124 int rval, rval2; 2125 fc_port_t *fcport, *fcptemp; 2126 uint16_t next_loopid; 2127 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2128 uint16_t loop_id; 2129 LIST_HEAD(new_fcports); 2130 2131 /* If FL port exists, then SNS is present */ 2132 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) 2133 loop_id = NPH_F_PORT; 2134 else 2135 loop_id = SNS_FL_PORT; 2136 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0); 2137 if (rval != QLA_SUCCESS) { 2138 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " 2139 "Port\n", ha->host_no)); 2140 2141 ha->device_flags &= ~SWITCH_FOUND; 2142 return (QLA_SUCCESS); 2143 } 2144 2145 /* Mark devices that need re-synchronization. */ 2146 rval2 = qla2x00_device_resync(ha); 2147 if (rval2 == QLA_RSCNS_HANDLED) { 2148 /* No point doing the scan, just continue. */ 2149 return (QLA_SUCCESS); 2150 } 2151 do { 2152 /* FDMI support. */ 2153 if (ql2xfdmienable && 2154 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags)) 2155 qla2x00_fdmi_register(ha); 2156 2157 /* Ensure we are logged into the SNS. */ 2158 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) 2159 loop_id = NPH_SNS; 2160 else 2161 loop_id = SIMPLE_NAME_SERVER; 2162 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff, 2163 0xfc, mb, BIT_1 | BIT_0); 2164 if (mb[0] != MBS_COMMAND_COMPLETE) { 2165 DEBUG2(qla_printk(KERN_INFO, ha, 2166 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 2167 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, 2168 mb[0], mb[1], mb[2], mb[6], mb[7])); 2169 return (QLA_SUCCESS); 2170 } 2171 2172 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { 2173 if (qla2x00_rft_id(ha)) { 2174 /* EMPTY */ 2175 DEBUG2(printk("scsi(%ld): Register FC-4 " 2176 "TYPE failed.\n", ha->host_no)); 2177 } 2178 if (qla2x00_rff_id(ha)) { 2179 /* EMPTY */ 2180 DEBUG2(printk("scsi(%ld): Register FC-4 " 2181 "Features failed.\n", ha->host_no)); 2182 } 2183 if (qla2x00_rnn_id(ha)) { 2184 /* EMPTY */ 2185 DEBUG2(printk("scsi(%ld): Register Node Name " 2186 "failed.\n", ha->host_no)); 2187 } else if (qla2x00_rsnn_nn(ha)) { 2188 /* EMPTY */ 2189 DEBUG2(printk("scsi(%ld): Register Symbolic " 2190 "Node Name failed.\n", ha->host_no)); 2191 } 2192 } 2193 2194 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); 2195 if (rval != QLA_SUCCESS) 2196 break; 2197 2198 /* 2199 * Logout all previous fabric devices marked lost, except 2200 * tape devices. 2201 */ 2202 list_for_each_entry(fcport, &ha->fcports, list) { 2203 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2204 break; 2205 2206 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 2207 continue; 2208 2209 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 2210 qla2x00_mark_device_lost(ha, fcport, 2211 ql2xplogiabsentdevice, 0); 2212 if (fcport->loop_id != FC_NO_LOOP_ID && 2213 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2214 fcport->port_type != FCT_INITIATOR && 2215 fcport->port_type != FCT_BROADCAST) { 2216 ha->isp_ops.fabric_logout(ha, 2217 fcport->loop_id, 2218 fcport->d_id.b.domain, 2219 fcport->d_id.b.area, 2220 fcport->d_id.b.al_pa); 2221 fcport->loop_id = FC_NO_LOOP_ID; 2222 } 2223 } 2224 } 2225 2226 /* Starting free loop ID. */ 2227 next_loopid = ha->min_external_loopid; 2228 2229 /* 2230 * Scan through our port list and login entries that need to be 2231 * logged in. 2232 */ 2233 list_for_each_entry(fcport, &ha->fcports, list) { 2234 if (atomic_read(&ha->loop_down_timer) || 2235 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2236 break; 2237 2238 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2239 (fcport->flags & FCF_LOGIN_NEEDED) == 0) 2240 continue; 2241 2242 if (fcport->loop_id == FC_NO_LOOP_ID) { 2243 fcport->loop_id = next_loopid; 2244 rval = qla2x00_find_new_loop_id(ha, fcport); 2245 if (rval != QLA_SUCCESS) { 2246 /* Ran out of IDs to use */ 2247 break; 2248 } 2249 } 2250 /* Login and update database */ 2251 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2252 } 2253 2254 /* Exit if out of loop IDs. */ 2255 if (rval != QLA_SUCCESS) { 2256 break; 2257 } 2258 2259 /* 2260 * Login and add the new devices to our port list. 2261 */ 2262 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2263 if (atomic_read(&ha->loop_down_timer) || 2264 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2265 break; 2266 2267 /* Find a new loop ID to use. */ 2268 fcport->loop_id = next_loopid; 2269 rval = qla2x00_find_new_loop_id(ha, fcport); 2270 if (rval != QLA_SUCCESS) { 2271 /* Ran out of IDs to use */ 2272 break; 2273 } 2274 2275 /* Remove device from the new list and add it to DB */ 2276 list_del(&fcport->list); 2277 list_add_tail(&fcport->list, &ha->fcports); 2278 2279 /* Login and update database */ 2280 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2281 } 2282 } while (0); 2283 2284 /* Free all new device structures not processed. */ 2285 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2286 list_del(&fcport->list); 2287 kfree(fcport); 2288 } 2289 2290 if (rval) { 2291 DEBUG2(printk("scsi(%ld): Configure fabric error exit: " 2292 "rval=%d\n", ha->host_no, rval)); 2293 } 2294 2295 return (rval); 2296 } 2297 2298 2299 /* 2300 * qla2x00_find_all_fabric_devs 2301 * 2302 * Input: 2303 * ha = adapter block pointer. 2304 * dev = database device entry pointer. 2305 * 2306 * Returns: 2307 * 0 = success. 2308 * 2309 * Context: 2310 * Kernel context. 2311 */ 2312 static int 2313 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) 2314 { 2315 int rval; 2316 uint16_t loop_id; 2317 fc_port_t *fcport, *new_fcport, *fcptemp; 2318 int found; 2319 2320 sw_info_t *swl; 2321 int swl_idx; 2322 int first_dev, last_dev; 2323 port_id_t wrap, nxt_d_id; 2324 2325 rval = QLA_SUCCESS; 2326 2327 /* Try GID_PT to get device list, else GAN. */ 2328 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC); 2329 if (swl == NULL) { 2330 /*EMPTY*/ 2331 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2332 "on GA_NXT\n", ha->host_no)); 2333 } else { 2334 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES); 2335 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { 2336 kfree(swl); 2337 swl = NULL; 2338 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { 2339 kfree(swl); 2340 swl = NULL; 2341 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { 2342 kfree(swl); 2343 swl = NULL; 2344 } 2345 } 2346 swl_idx = 0; 2347 2348 /* Allocate temporary fcport for any new fcports discovered. */ 2349 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2350 if (new_fcport == NULL) { 2351 kfree(swl); 2352 return (QLA_MEMORY_ALLOC_FAILED); 2353 } 2354 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2355 2356 /* Set start port ID scan at adapter ID. */ 2357 first_dev = 1; 2358 last_dev = 0; 2359 2360 /* Starting free loop ID. */ 2361 loop_id = ha->min_external_loopid; 2362 for (; loop_id <= ha->last_loop_id; loop_id++) { 2363 if (qla2x00_is_reserved_id(ha, loop_id)) 2364 continue; 2365 2366 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) 2367 break; 2368 2369 if (swl != NULL) { 2370 if (last_dev) { 2371 wrap.b24 = new_fcport->d_id.b24; 2372 } else { 2373 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 2374 memcpy(new_fcport->node_name, 2375 swl[swl_idx].node_name, WWN_SIZE); 2376 memcpy(new_fcport->port_name, 2377 swl[swl_idx].port_name, WWN_SIZE); 2378 2379 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 2380 last_dev = 1; 2381 } 2382 swl_idx++; 2383 } 2384 } else { 2385 /* Send GA_NXT to the switch */ 2386 rval = qla2x00_ga_nxt(ha, new_fcport); 2387 if (rval != QLA_SUCCESS) { 2388 qla_printk(KERN_WARNING, ha, 2389 "SNS scan failed -- assuming zero-entry " 2390 "result...\n"); 2391 list_for_each_entry_safe(fcport, fcptemp, 2392 new_fcports, list) { 2393 list_del(&fcport->list); 2394 kfree(fcport); 2395 } 2396 rval = QLA_SUCCESS; 2397 break; 2398 } 2399 } 2400 2401 /* If wrap on switch device list, exit. */ 2402 if (first_dev) { 2403 wrap.b24 = new_fcport->d_id.b24; 2404 first_dev = 0; 2405 } else if (new_fcport->d_id.b24 == wrap.b24) { 2406 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", 2407 ha->host_no, new_fcport->d_id.b.domain, 2408 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); 2409 break; 2410 } 2411 2412 /* Bypass if host adapter. */ 2413 if (new_fcport->d_id.b24 == ha->d_id.b24) 2414 continue; 2415 2416 /* Bypass if same domain and area of adapter. */ 2417 if (((new_fcport->d_id.b24 & 0xffff00) == 2418 (ha->d_id.b24 & 0xffff00)) && ha->current_topology == 2419 ISP_CFG_FL) 2420 continue; 2421 2422 /* Bypass reserved domain fields. */ 2423 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 2424 continue; 2425 2426 /* Locate matching device in database. */ 2427 found = 0; 2428 list_for_each_entry(fcport, &ha->fcports, list) { 2429 if (memcmp(new_fcport->port_name, fcport->port_name, 2430 WWN_SIZE)) 2431 continue; 2432 2433 found++; 2434 2435 /* 2436 * If address the same and state FCS_ONLINE, nothing 2437 * changed. 2438 */ 2439 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 2440 atomic_read(&fcport->state) == FCS_ONLINE) { 2441 break; 2442 } 2443 2444 /* 2445 * If device was not a fabric device before. 2446 */ 2447 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2448 fcport->d_id.b24 = new_fcport->d_id.b24; 2449 fcport->loop_id = FC_NO_LOOP_ID; 2450 fcport->flags |= (FCF_FABRIC_DEVICE | 2451 FCF_LOGIN_NEEDED); 2452 fcport->flags &= ~FCF_PERSISTENT_BOUND; 2453 break; 2454 } 2455 2456 /* 2457 * Port ID changed or device was marked to be updated; 2458 * Log it out if still logged in and mark it for 2459 * relogin later. 2460 */ 2461 fcport->d_id.b24 = new_fcport->d_id.b24; 2462 fcport->flags |= FCF_LOGIN_NEEDED; 2463 if (fcport->loop_id != FC_NO_LOOP_ID && 2464 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2465 fcport->port_type != FCT_INITIATOR && 2466 fcport->port_type != FCT_BROADCAST) { 2467 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2468 fcport->d_id.b.domain, fcport->d_id.b.area, 2469 fcport->d_id.b.al_pa); 2470 fcport->loop_id = FC_NO_LOOP_ID; 2471 } 2472 2473 break; 2474 } 2475 2476 if (found) 2477 continue; 2478 2479 /* If device was not in our fcports list, then add it. */ 2480 list_add_tail(&new_fcport->list, new_fcports); 2481 2482 /* Allocate a new replacement fcport. */ 2483 nxt_d_id.b24 = new_fcport->d_id.b24; 2484 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2485 if (new_fcport == NULL) { 2486 kfree(swl); 2487 return (QLA_MEMORY_ALLOC_FAILED); 2488 } 2489 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2490 new_fcport->d_id.b24 = nxt_d_id.b24; 2491 } 2492 2493 kfree(swl); 2494 kfree(new_fcport); 2495 2496 if (!list_empty(new_fcports)) 2497 ha->device_flags |= DFLG_FABRIC_DEVICES; 2498 2499 return (rval); 2500 } 2501 2502 /* 2503 * qla2x00_find_new_loop_id 2504 * Scan through our port list and find a new usable loop ID. 2505 * 2506 * Input: 2507 * ha: adapter state pointer. 2508 * dev: port structure pointer. 2509 * 2510 * Returns: 2511 * qla2x00 local function return status code. 2512 * 2513 * Context: 2514 * Kernel context. 2515 */ 2516 int 2517 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) 2518 { 2519 int rval; 2520 int found; 2521 fc_port_t *fcport; 2522 uint16_t first_loop_id; 2523 2524 rval = QLA_SUCCESS; 2525 2526 /* Save starting loop ID. */ 2527 first_loop_id = dev->loop_id; 2528 2529 for (;;) { 2530 /* Skip loop ID if already used by adapter. */ 2531 if (dev->loop_id == ha->loop_id) { 2532 dev->loop_id++; 2533 } 2534 2535 /* Skip reserved loop IDs. */ 2536 while (qla2x00_is_reserved_id(ha, dev->loop_id)) { 2537 dev->loop_id++; 2538 } 2539 2540 /* Reset loop ID if passed the end. */ 2541 if (dev->loop_id > ha->last_loop_id) { 2542 /* first loop ID. */ 2543 dev->loop_id = ha->min_external_loopid; 2544 } 2545 2546 /* Check for loop ID being already in use. */ 2547 found = 0; 2548 fcport = NULL; 2549 list_for_each_entry(fcport, &ha->fcports, list) { 2550 if (fcport->loop_id == dev->loop_id && fcport != dev) { 2551 /* ID possibly in use */ 2552 found++; 2553 break; 2554 } 2555 } 2556 2557 /* If not in use then it is free to use. */ 2558 if (!found) { 2559 break; 2560 } 2561 2562 /* ID in use. Try next value. */ 2563 dev->loop_id++; 2564 2565 /* If wrap around. No free ID to use. */ 2566 if (dev->loop_id == first_loop_id) { 2567 dev->loop_id = FC_NO_LOOP_ID; 2568 rval = QLA_FUNCTION_FAILED; 2569 break; 2570 } 2571 } 2572 2573 return (rval); 2574 } 2575 2576 /* 2577 * qla2x00_device_resync 2578 * Marks devices in the database that needs resynchronization. 2579 * 2580 * Input: 2581 * ha = adapter block pointer. 2582 * 2583 * Context: 2584 * Kernel context. 2585 */ 2586 static int 2587 qla2x00_device_resync(scsi_qla_host_t *ha) 2588 { 2589 int rval; 2590 int rval2; 2591 uint32_t mask; 2592 fc_port_t *fcport; 2593 uint32_t rscn_entry; 2594 uint8_t rscn_out_iter; 2595 uint8_t format; 2596 port_id_t d_id; 2597 2598 rval = QLA_RSCNS_HANDLED; 2599 2600 while (ha->rscn_out_ptr != ha->rscn_in_ptr || 2601 ha->flags.rscn_queue_overflow) { 2602 2603 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; 2604 format = MSB(MSW(rscn_entry)); 2605 d_id.b.domain = LSB(MSW(rscn_entry)); 2606 d_id.b.area = MSB(LSW(rscn_entry)); 2607 d_id.b.al_pa = LSB(LSW(rscn_entry)); 2608 2609 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " 2610 "[%02x/%02x%02x%02x].\n", 2611 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, 2612 d_id.b.area, d_id.b.al_pa)); 2613 2614 ha->rscn_out_ptr++; 2615 if (ha->rscn_out_ptr == MAX_RSCN_COUNT) 2616 ha->rscn_out_ptr = 0; 2617 2618 /* Skip duplicate entries. */ 2619 for (rscn_out_iter = ha->rscn_out_ptr; 2620 !ha->flags.rscn_queue_overflow && 2621 rscn_out_iter != ha->rscn_in_ptr; 2622 rscn_out_iter = (rscn_out_iter == 2623 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { 2624 2625 if (rscn_entry != ha->rscn_queue[rscn_out_iter]) 2626 break; 2627 2628 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " 2629 "entry found at [%d].\n", ha->host_no, 2630 rscn_out_iter)); 2631 2632 ha->rscn_out_ptr = rscn_out_iter; 2633 } 2634 2635 /* Queue overflow, set switch default case. */ 2636 if (ha->flags.rscn_queue_overflow) { 2637 DEBUG(printk("scsi(%ld): device_resync: rscn " 2638 "overflow.\n", ha->host_no)); 2639 2640 format = 3; 2641 ha->flags.rscn_queue_overflow = 0; 2642 } 2643 2644 switch (format) { 2645 case 0: 2646 if (ql2xprocessrscn && 2647 !IS_QLA2100(ha) && !IS_QLA2200(ha) && 2648 !IS_QLA6312(ha) && !IS_QLA6322(ha) && 2649 !IS_QLA24XX(ha) && !IS_QLA54XX(ha) && 2650 ha->flags.init_done) { 2651 /* Handle port RSCN via asyncronous IOCBs */ 2652 rval2 = qla2x00_handle_port_rscn(ha, rscn_entry, 2653 NULL, 0); 2654 if (rval2 == QLA_SUCCESS) 2655 continue; 2656 } 2657 mask = 0xffffff; 2658 break; 2659 case 1: 2660 mask = 0xffff00; 2661 break; 2662 case 2: 2663 mask = 0xff0000; 2664 break; 2665 default: 2666 mask = 0x0; 2667 d_id.b24 = 0; 2668 ha->rscn_out_ptr = ha->rscn_in_ptr; 2669 break; 2670 } 2671 2672 rval = QLA_SUCCESS; 2673 2674 /* Abort any outstanding IO descriptors. */ 2675 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 2676 qla2x00_cancel_io_descriptors(ha); 2677 2678 list_for_each_entry(fcport, &ha->fcports, list) { 2679 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2680 (fcport->d_id.b24 & mask) != d_id.b24 || 2681 fcport->port_type == FCT_BROADCAST) 2682 continue; 2683 2684 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2685 if (format != 3 || 2686 fcport->port_type != FCT_INITIATOR) { 2687 qla2x00_mark_device_lost(ha, fcport, 2688 0, 0); 2689 } 2690 } 2691 fcport->flags &= ~FCF_FARP_DONE; 2692 } 2693 } 2694 return (rval); 2695 } 2696 2697 /* 2698 * qla2x00_fabric_dev_login 2699 * Login fabric target device and update FC port database. 2700 * 2701 * Input: 2702 * ha: adapter state pointer. 2703 * fcport: port structure list pointer. 2704 * next_loopid: contains value of a new loop ID that can be used 2705 * by the next login attempt. 2706 * 2707 * Returns: 2708 * qla2x00 local function return status code. 2709 * 2710 * Context: 2711 * Kernel context. 2712 */ 2713 static int 2714 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2715 uint16_t *next_loopid) 2716 { 2717 int rval; 2718 int retry; 2719 uint8_t opts; 2720 2721 rval = QLA_SUCCESS; 2722 retry = 0; 2723 2724 rval = qla2x00_fabric_login(ha, fcport, next_loopid); 2725 if (rval == QLA_SUCCESS) { 2726 /* Send an ADISC to tape devices.*/ 2727 opts = 0; 2728 if (fcport->flags & FCF_TAPE_PRESENT) 2729 opts |= BIT_1; 2730 rval = qla2x00_get_port_database(ha, fcport, opts); 2731 if (rval != QLA_SUCCESS) { 2732 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2733 fcport->d_id.b.domain, fcport->d_id.b.area, 2734 fcport->d_id.b.al_pa); 2735 qla2x00_mark_device_lost(ha, fcport, 1, 0); 2736 } else { 2737 qla2x00_update_fcport(ha, fcport); 2738 } 2739 } 2740 2741 return (rval); 2742 } 2743 2744 /* 2745 * qla2x00_fabric_login 2746 * Issue fabric login command. 2747 * 2748 * Input: 2749 * ha = adapter block pointer. 2750 * device = pointer to FC device type structure. 2751 * 2752 * Returns: 2753 * 0 - Login successfully 2754 * 1 - Login failed 2755 * 2 - Initiator device 2756 * 3 - Fatal error 2757 */ 2758 int 2759 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2760 uint16_t *next_loopid) 2761 { 2762 int rval; 2763 int retry; 2764 uint16_t tmp_loopid; 2765 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2766 2767 retry = 0; 2768 tmp_loopid = 0; 2769 2770 for (;;) { 2771 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " 2772 "for port %02x%02x%02x.\n", 2773 ha->host_no, fcport->loop_id, fcport->d_id.b.domain, 2774 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2775 2776 /* Login fcport on switch. */ 2777 ha->isp_ops.fabric_login(ha, fcport->loop_id, 2778 fcport->d_id.b.domain, fcport->d_id.b.area, 2779 fcport->d_id.b.al_pa, mb, BIT_0); 2780 if (mb[0] == MBS_PORT_ID_USED) { 2781 /* 2782 * Device has another loop ID. The firmware team 2783 * recommends the driver perform an implicit login with 2784 * the specified ID again. The ID we just used is save 2785 * here so we return with an ID that can be tried by 2786 * the next login. 2787 */ 2788 retry++; 2789 tmp_loopid = fcport->loop_id; 2790 fcport->loop_id = mb[1]; 2791 2792 DEBUG(printk("Fabric Login: port in use - next " 2793 "loop id=0x%04x, port Id=%02x%02x%02x.\n", 2794 fcport->loop_id, fcport->d_id.b.domain, 2795 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2796 2797 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 2798 /* 2799 * Login succeeded. 2800 */ 2801 if (retry) { 2802 /* A retry occurred before. */ 2803 *next_loopid = tmp_loopid; 2804 } else { 2805 /* 2806 * No retry occurred before. Just increment the 2807 * ID value for next login. 2808 */ 2809 *next_loopid = (fcport->loop_id + 1); 2810 } 2811 2812 if (mb[1] & BIT_0) { 2813 fcport->port_type = FCT_INITIATOR; 2814 } else { 2815 fcport->port_type = FCT_TARGET; 2816 if (mb[1] & BIT_1) { 2817 fcport->flags |= FCF_TAPE_PRESENT; 2818 } 2819 } 2820 2821 if (mb[10] & BIT_0) 2822 fcport->supported_classes |= FC_COS_CLASS2; 2823 if (mb[10] & BIT_1) 2824 fcport->supported_classes |= FC_COS_CLASS3; 2825 2826 rval = QLA_SUCCESS; 2827 break; 2828 } else if (mb[0] == MBS_LOOP_ID_USED) { 2829 /* 2830 * Loop ID already used, try next loop ID. 2831 */ 2832 fcport->loop_id++; 2833 rval = qla2x00_find_new_loop_id(ha, fcport); 2834 if (rval != QLA_SUCCESS) { 2835 /* Ran out of loop IDs to use */ 2836 break; 2837 } 2838 } else if (mb[0] == MBS_COMMAND_ERROR) { 2839 /* 2840 * Firmware possibly timed out during login. If NO 2841 * retries are left to do then the device is declared 2842 * dead. 2843 */ 2844 *next_loopid = fcport->loop_id; 2845 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2846 fcport->d_id.b.domain, fcport->d_id.b.area, 2847 fcport->d_id.b.al_pa); 2848 qla2x00_mark_device_lost(ha, fcport, 1, 0); 2849 2850 rval = 1; 2851 break; 2852 } else { 2853 /* 2854 * unrecoverable / not handled error 2855 */ 2856 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " 2857 "loop_id=%x jiffies=%lx.\n", 2858 __func__, ha->host_no, mb[0], 2859 fcport->d_id.b.domain, fcport->d_id.b.area, 2860 fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); 2861 2862 *next_loopid = fcport->loop_id; 2863 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2864 fcport->d_id.b.domain, fcport->d_id.b.area, 2865 fcport->d_id.b.al_pa); 2866 fcport->loop_id = FC_NO_LOOP_ID; 2867 fcport->login_retry = 0; 2868 2869 rval = 3; 2870 break; 2871 } 2872 } 2873 2874 return (rval); 2875 } 2876 2877 /* 2878 * qla2x00_local_device_login 2879 * Issue local device login command. 2880 * 2881 * Input: 2882 * ha = adapter block pointer. 2883 * loop_id = loop id of device to login to. 2884 * 2885 * Returns (Where's the #define!!!!): 2886 * 0 - Login successfully 2887 * 1 - Login failed 2888 * 3 - Fatal error 2889 */ 2890 int 2891 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport) 2892 { 2893 int rval; 2894 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2895 2896 memset(mb, 0, sizeof(mb)); 2897 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0); 2898 if (rval == QLA_SUCCESS) { 2899 /* Interrogate mailbox registers for any errors */ 2900 if (mb[0] == MBS_COMMAND_ERROR) 2901 rval = 1; 2902 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 2903 /* device not in PCB table */ 2904 rval = 3; 2905 } 2906 2907 return (rval); 2908 } 2909 2910 /* 2911 * qla2x00_loop_resync 2912 * Resync with fibre channel devices. 2913 * 2914 * Input: 2915 * ha = adapter block pointer. 2916 * 2917 * Returns: 2918 * 0 = success 2919 */ 2920 int 2921 qla2x00_loop_resync(scsi_qla_host_t *ha) 2922 { 2923 int rval; 2924 uint32_t wait_time; 2925 2926 rval = QLA_SUCCESS; 2927 2928 atomic_set(&ha->loop_state, LOOP_UPDATE); 2929 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 2930 if (ha->flags.online) { 2931 if (!(rval = qla2x00_fw_ready(ha))) { 2932 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 2933 wait_time = 256; 2934 do { 2935 atomic_set(&ha->loop_state, LOOP_UPDATE); 2936 2937 /* Issue a marker after FW becomes ready. */ 2938 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 2939 ha->marker_needed = 0; 2940 2941 /* Remap devices on Loop. */ 2942 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 2943 2944 qla2x00_configure_loop(ha); 2945 wait_time--; 2946 } while (!atomic_read(&ha->loop_down_timer) && 2947 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 2948 wait_time && 2949 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 2950 } 2951 } 2952 2953 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { 2954 return (QLA_FUNCTION_FAILED); 2955 } 2956 2957 if (rval) { 2958 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 2959 } 2960 2961 return (rval); 2962 } 2963 2964 void 2965 qla2x00_rescan_fcports(scsi_qla_host_t *ha) 2966 { 2967 int rescan_done; 2968 fc_port_t *fcport; 2969 2970 rescan_done = 0; 2971 list_for_each_entry(fcport, &ha->fcports, list) { 2972 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) 2973 continue; 2974 2975 qla2x00_update_fcport(ha, fcport); 2976 fcport->flags &= ~FCF_RESCAN_NEEDED; 2977 2978 rescan_done = 1; 2979 } 2980 qla2x00_probe_for_all_luns(ha); 2981 } 2982 2983 void 2984 qla2x00_update_fcports(scsi_qla_host_t *ha) 2985 { 2986 fc_port_t *fcport; 2987 2988 /* Go with deferred removal of rport references. */ 2989 list_for_each_entry(fcport, &ha->fcports, list) 2990 if (fcport->drport) 2991 qla2x00_rport_del(fcport); 2992 } 2993 2994 /* 2995 * qla2x00_abort_isp 2996 * Resets ISP and aborts all outstanding commands. 2997 * 2998 * Input: 2999 * ha = adapter block pointer. 3000 * 3001 * Returns: 3002 * 0 = success 3003 */ 3004 int 3005 qla2x00_abort_isp(scsi_qla_host_t *ha) 3006 { 3007 unsigned long flags = 0; 3008 uint16_t cnt; 3009 srb_t *sp; 3010 uint8_t status = 0; 3011 3012 if (ha->flags.online) { 3013 ha->flags.online = 0; 3014 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 3015 3016 qla_printk(KERN_INFO, ha, 3017 "Performing ISP error recovery - ha= %p.\n", ha); 3018 ha->isp_ops.reset_chip(ha); 3019 3020 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 3021 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 3022 atomic_set(&ha->loop_state, LOOP_DOWN); 3023 qla2x00_mark_all_devices_lost(ha, 0); 3024 } else { 3025 if (!atomic_read(&ha->loop_down_timer)) 3026 atomic_set(&ha->loop_down_timer, 3027 LOOP_DOWN_TIME); 3028 } 3029 3030 spin_lock_irqsave(&ha->hardware_lock, flags); 3031 /* Requeue all commands in outstanding command list. */ 3032 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 3033 sp = ha->outstanding_cmds[cnt]; 3034 if (sp) { 3035 ha->outstanding_cmds[cnt] = NULL; 3036 sp->flags = 0; 3037 sp->cmd->result = DID_RESET << 16; 3038 sp->cmd->host_scribble = (unsigned char *)NULL; 3039 qla2x00_sp_compl(ha, sp); 3040 } 3041 } 3042 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3043 3044 ha->isp_ops.nvram_config(ha); 3045 3046 if (!qla2x00_restart_isp(ha)) { 3047 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3048 3049 if (!atomic_read(&ha->loop_down_timer)) { 3050 /* 3051 * Issue marker command only when we are going 3052 * to start the I/O . 3053 */ 3054 ha->marker_needed = 1; 3055 } 3056 3057 ha->flags.online = 1; 3058 3059 ha->isp_ops.enable_intrs(ha); 3060 3061 ha->isp_abort_cnt = 0; 3062 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3063 } else { /* failed the ISP abort */ 3064 ha->flags.online = 1; 3065 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { 3066 if (ha->isp_abort_cnt == 0) { 3067 qla_printk(KERN_WARNING, ha, 3068 "ISP error recovery failed - " 3069 "board disabled\n"); 3070 /* 3071 * The next call disables the board 3072 * completely. 3073 */ 3074 ha->isp_ops.reset_adapter(ha); 3075 ha->flags.online = 0; 3076 clear_bit(ISP_ABORT_RETRY, 3077 &ha->dpc_flags); 3078 status = 0; 3079 } else { /* schedule another ISP abort */ 3080 ha->isp_abort_cnt--; 3081 DEBUG(printk("qla%ld: ISP abort - " 3082 "retry remaining %d\n", 3083 ha->host_no, ha->isp_abort_cnt);) 3084 status = 1; 3085 } 3086 } else { 3087 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3088 DEBUG(printk("qla2x00(%ld): ISP error recovery " 3089 "- retrying (%d) more times\n", 3090 ha->host_no, ha->isp_abort_cnt);) 3091 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3092 status = 1; 3093 } 3094 } 3095 3096 } 3097 3098 if (status) { 3099 qla_printk(KERN_INFO, ha, 3100 "qla2x00_abort_isp: **** FAILED ****\n"); 3101 } else { 3102 DEBUG(printk(KERN_INFO 3103 "qla2x00_abort_isp(%ld): exiting.\n", 3104 ha->host_no);) 3105 } 3106 3107 return(status); 3108 } 3109 3110 /* 3111 * qla2x00_restart_isp 3112 * restarts the ISP after a reset 3113 * 3114 * Input: 3115 * ha = adapter block pointer. 3116 * 3117 * Returns: 3118 * 0 = success 3119 */ 3120 static int 3121 qla2x00_restart_isp(scsi_qla_host_t *ha) 3122 { 3123 uint8_t status = 0; 3124 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3125 unsigned long flags = 0; 3126 uint32_t wait_time; 3127 3128 /* If firmware needs to be loaded */ 3129 if (qla2x00_isp_firmware(ha)) { 3130 ha->flags.online = 0; 3131 if (!(status = ha->isp_ops.chip_diag(ha))) { 3132 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 3133 status = qla2x00_setup_chip(ha); 3134 goto done; 3135 } 3136 3137 spin_lock_irqsave(&ha->hardware_lock, flags); 3138 3139 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) { 3140 /* 3141 * Disable SRAM, Instruction RAM and GP RAM 3142 * parity. 3143 */ 3144 WRT_REG_WORD(®->hccr, 3145 (HCCR_ENABLE_PARITY + 0x0)); 3146 RD_REG_WORD(®->hccr); 3147 } 3148 3149 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3150 3151 status = qla2x00_setup_chip(ha); 3152 3153 spin_lock_irqsave(&ha->hardware_lock, flags); 3154 3155 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) { 3156 /* Enable proper parity */ 3157 if (IS_QLA2300(ha)) 3158 /* SRAM parity */ 3159 WRT_REG_WORD(®->hccr, 3160 (HCCR_ENABLE_PARITY + 0x1)); 3161 else 3162 /* 3163 * SRAM, Instruction RAM and GP RAM 3164 * parity. 3165 */ 3166 WRT_REG_WORD(®->hccr, 3167 (HCCR_ENABLE_PARITY + 0x7)); 3168 RD_REG_WORD(®->hccr); 3169 } 3170 3171 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3172 } 3173 } 3174 3175 done: 3176 if (!status && !(status = qla2x00_init_rings(ha))) { 3177 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3178 if (!(status = qla2x00_fw_ready(ha))) { 3179 DEBUG(printk("%s(): Start configure loop, " 3180 "status = %d\n", __func__, status);) 3181 3182 /* Issue a marker after FW becomes ready. */ 3183 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3184 3185 ha->flags.online = 1; 3186 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3187 wait_time = 256; 3188 do { 3189 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3190 qla2x00_configure_loop(ha); 3191 wait_time--; 3192 } while (!atomic_read(&ha->loop_down_timer) && 3193 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3194 wait_time && 3195 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3196 } 3197 3198 /* if no cable then assume it's good */ 3199 if ((ha->device_flags & DFLG_NO_CABLE)) 3200 status = 0; 3201 3202 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", 3203 __func__, 3204 status);) 3205 } 3206 return (status); 3207 } 3208 3209 /* 3210 * qla2x00_reset_adapter 3211 * Reset adapter. 3212 * 3213 * Input: 3214 * ha = adapter block pointer. 3215 */ 3216 void 3217 qla2x00_reset_adapter(scsi_qla_host_t *ha) 3218 { 3219 unsigned long flags = 0; 3220 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 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_WORD(®->hccr, HCCR_RESET_RISC); 3227 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3228 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 3229 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3230 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3231 } 3232 3233 void 3234 qla24xx_reset_adapter(scsi_qla_host_t *ha) 3235 { 3236 unsigned long flags = 0; 3237 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3238 3239 ha->flags.online = 0; 3240 ha->isp_ops.disable_intrs(ha); 3241 3242 spin_lock_irqsave(&ha->hardware_lock, flags); 3243 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 3244 RD_REG_DWORD(®->hccr); 3245 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 3246 RD_REG_DWORD(®->hccr); 3247 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3248 } 3249 3250 int 3251 qla24xx_nvram_config(scsi_qla_host_t *ha) 3252 { 3253 int rval; 3254 struct init_cb_24xx *icb; 3255 struct nvram_24xx *nv; 3256 uint32_t *dptr; 3257 uint8_t *dptr1, *dptr2; 3258 uint32_t chksum; 3259 uint16_t cnt; 3260 3261 rval = QLA_SUCCESS; 3262 icb = (struct init_cb_24xx *)ha->init_cb; 3263 nv = (struct nvram_24xx *)ha->request_ring; 3264 3265 /* Determine NVRAM starting address. */ 3266 ha->nvram_size = sizeof(struct nvram_24xx); 3267 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 3268 ha->vpd_size = FA_NVRAM_VPD_SIZE; 3269 ha->vpd_base = FA_NVRAM_VPD0_ADDR; 3270 if (PCI_FUNC(ha->pdev->devfn)) { 3271 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 3272 ha->vpd_base = FA_NVRAM_VPD1_ADDR; 3273 } 3274 3275 /* Get NVRAM data and calculate checksum. */ 3276 dptr = (uint32_t *)nv; 3277 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, 3278 ha->nvram_size); 3279 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) 3280 chksum += le32_to_cpu(*dptr++); 3281 3282 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 3283 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, 3284 ha->nvram_size)); 3285 3286 /* Bad NVRAM data, set defaults parameters. */ 3287 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' 3288 || nv->id[3] != ' ' || 3289 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { 3290 /* Reset NVRAM data. */ 3291 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 3292 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 3293 le16_to_cpu(nv->nvram_version)); 3294 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 3295 "invalid -- WWPN) defaults.\n"); 3296 3297 /* 3298 * Set default initialization control block. 3299 */ 3300 memset(nv, 0, ha->nvram_size); 3301 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); 3302 nv->version = __constant_cpu_to_le16(ICB_VERSION); 3303 nv->frame_payload_size = __constant_cpu_to_le16(2048); 3304 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3305 nv->exchange_count = __constant_cpu_to_le16(0); 3306 nv->hard_address = __constant_cpu_to_le16(124); 3307 nv->port_name[0] = 0x21; 3308 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); 3309 nv->port_name[2] = 0x00; 3310 nv->port_name[3] = 0xe0; 3311 nv->port_name[4] = 0x8b; 3312 nv->port_name[5] = 0x1c; 3313 nv->port_name[6] = 0x55; 3314 nv->port_name[7] = 0x86; 3315 nv->node_name[0] = 0x20; 3316 nv->node_name[1] = 0x00; 3317 nv->node_name[2] = 0x00; 3318 nv->node_name[3] = 0xe0; 3319 nv->node_name[4] = 0x8b; 3320 nv->node_name[5] = 0x1c; 3321 nv->node_name[6] = 0x55; 3322 nv->node_name[7] = 0x86; 3323 nv->login_retry_count = __constant_cpu_to_le16(8); 3324 nv->link_down_timeout = __constant_cpu_to_le16(200); 3325 nv->interrupt_delay_timer = __constant_cpu_to_le16(0); 3326 nv->login_timeout = __constant_cpu_to_le16(0); 3327 nv->firmware_options_1 = 3328 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 3329 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); 3330 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); 3331 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); 3332 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); 3333 nv->efi_parameters = __constant_cpu_to_le32(0); 3334 nv->reset_delay = 5; 3335 nv->max_luns_per_target = __constant_cpu_to_le16(128); 3336 nv->port_down_retry_count = __constant_cpu_to_le16(30); 3337 nv->link_down_timeout = __constant_cpu_to_le16(30); 3338 3339 rval = 1; 3340 } 3341 3342 /* Reset Initialization control block */ 3343 memset(icb, 0, sizeof(struct init_cb_24xx)); 3344 3345 /* Copy 1st segment. */ 3346 dptr1 = (uint8_t *)icb; 3347 dptr2 = (uint8_t *)&nv->version; 3348 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 3349 while (cnt--) 3350 *dptr1++ = *dptr2++; 3351 3352 icb->login_retry_count = nv->login_retry_count; 3353 icb->link_down_timeout = nv->link_down_timeout; 3354 3355 /* Copy 2nd segment. */ 3356 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 3357 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 3358 cnt = (uint8_t *)&icb->reserved_3 - 3359 (uint8_t *)&icb->interrupt_delay_timer; 3360 while (cnt--) 3361 *dptr1++ = *dptr2++; 3362 3363 /* 3364 * Setup driver NVRAM options. 3365 */ 3366 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) { 3367 char *st, *en; 3368 uint16_t index; 3369 3370 strncpy(ha->model_number, nv->model_name, 3371 sizeof(nv->model_name)); 3372 st = en = ha->model_number; 3373 en += sizeof(nv->model_name) - 1; 3374 while (en > st) { 3375 if (*en != 0x20 && *en != 0x00) 3376 break; 3377 *en-- = '\0'; 3378 } 3379 3380 index = (ha->pdev->subsystem_device & 0xff); 3381 if (index < QLA_MODEL_NAMES) 3382 ha->model_desc = qla2x00_model_name[index * 2 + 1]; 3383 } else 3384 strcpy(ha->model_number, "QLA2462"); 3385 3386 /* Prepare nodename */ 3387 if ((icb->firmware_options_1 & BIT_14) == 0) { 3388 /* 3389 * Firmware will apply the following mask if the nodename was 3390 * not provided. 3391 */ 3392 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 3393 icb->node_name[0] &= 0xF0; 3394 } 3395 3396 /* Set host adapter parameters. */ 3397 ha->flags.disable_risc_code_load = 0; 3398 ha->flags.enable_lip_reset = 1; 3399 ha->flags.enable_lip_full_login = 1; 3400 ha->flags.enable_target_reset = 1; 3401 ha->flags.enable_led_scheme = 0; 3402 3403 ha->operating_mode = 3404 (icb->firmware_options_2 & (BIT_6 | BIT_5 | BIT_4)) >> 4; 3405 3406 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 3407 sizeof(ha->fw_seriallink_options24)); 3408 3409 /* save HBA serial number */ 3410 ha->serial0 = icb->port_name[5]; 3411 ha->serial1 = icb->port_name[6]; 3412 ha->serial2 = icb->port_name[7]; 3413 ha->node_name = icb->node_name; 3414 ha->port_name = icb->port_name; 3415 3416 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3417 3418 ha->retry_count = le16_to_cpu(nv->login_retry_count); 3419 3420 /* Set minimum login_timeout to 4 seconds. */ 3421 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 3422 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 3423 if (le16_to_cpu(nv->login_timeout) < 4) 3424 nv->login_timeout = __constant_cpu_to_le16(4); 3425 ha->login_timeout = le16_to_cpu(nv->login_timeout); 3426 icb->login_timeout = cpu_to_le16(nv->login_timeout); 3427 3428 /* Set minimum RATOV to 200 tenths of a second. */ 3429 ha->r_a_tov = 200; 3430 3431 ha->loop_reset_delay = nv->reset_delay; 3432 3433 /* Link Down Timeout = 0: 3434 * 3435 * When Port Down timer expires we will start returning 3436 * I/O's to OS with "DID_NO_CONNECT". 3437 * 3438 * Link Down Timeout != 0: 3439 * 3440 * The driver waits for the link to come up after link down 3441 * before returning I/Os to OS with "DID_NO_CONNECT". 3442 */ 3443 if (le16_to_cpu(nv->link_down_timeout) == 0) { 3444 ha->loop_down_abort_time = 3445 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 3446 } else { 3447 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 3448 ha->loop_down_abort_time = 3449 (LOOP_DOWN_TIME - ha->link_down_timeout); 3450 } 3451 3452 /* Need enough time to try and get the port back. */ 3453 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 3454 if (qlport_down_retry) 3455 ha->port_down_retry_count = qlport_down_retry; 3456 3457 /* Set login_retry_count */ 3458 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 3459 if (ha->port_down_retry_count == 3460 le16_to_cpu(nv->port_down_retry_count) && 3461 ha->port_down_retry_count > 3) 3462 ha->login_retry_count = ha->port_down_retry_count; 3463 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 3464 ha->login_retry_count = ha->port_down_retry_count; 3465 if (ql2xloginretrycount) 3466 ha->login_retry_count = ql2xloginretrycount; 3467 3468 /* Enable ZIO. */ 3469 if (!ha->flags.init_done) { 3470 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 3471 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 3472 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 3473 le16_to_cpu(icb->interrupt_delay_timer): 2; 3474 } 3475 icb->firmware_options_2 &= __constant_cpu_to_le32( 3476 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 3477 ha->flags.process_response_queue = 0; 3478 if (ha->zio_mode != QLA_ZIO_DISABLED) { 3479 ha->zio_mode = QLA_ZIO_MODE_6; 3480 3481 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay " 3482 "(%d us).\n", ha->host_no, ha->zio_mode, 3483 ha->zio_timer * 100)); 3484 qla_printk(KERN_INFO, ha, 3485 "ZIO mode %d enabled; timer delay (%d us).\n", 3486 ha->zio_mode, ha->zio_timer * 100); 3487 3488 icb->firmware_options_2 |= cpu_to_le32( 3489 (uint32_t)ha->zio_mode); 3490 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 3491 ha->flags.process_response_queue = 1; 3492 } 3493 3494 if (rval) { 3495 DEBUG2_3(printk(KERN_WARNING 3496 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 3497 } 3498 return (rval); 3499 } 3500 3501 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) 3502 3503 int 3504 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3505 { 3506 int rval, num, i; 3507 uint32_t cnt; 3508 uint16_t *risc_code; 3509 uint32_t risc_addr, risc_size; 3510 uint16_t *req_ring; 3511 struct qla_fw_info *fw_iter; 3512 3513 rval = QLA_SUCCESS; 3514 3515 /* Load firmware sequences */ 3516 fw_iter = ha->brd_info->fw_info; 3517 *srisc_addr = *ha->brd_info->fw_info->fwstart; 3518 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) { 3519 risc_code = fw_iter->fwcode; 3520 risc_size = *fw_iter->fwlen; 3521 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) 3522 risc_addr = *fw_iter->fwstart; 3523 else 3524 risc_addr = *fw_iter->lfwstart; 3525 3526 num = 0; 3527 rval = 0; 3528 while (risc_size > 0 && !rval) { 3529 cnt = (uint16_t)(ha->fw_transfer_size >> 1); 3530 if (cnt > risc_size) 3531 cnt = risc_size; 3532 3533 DEBUG7(printk("scsi(%ld): Loading risc segment@ " 3534 "addr %p, number of bytes 0x%x, offset 0x%lx.\n", 3535 ha->host_no, risc_code, cnt, risc_addr)); 3536 3537 req_ring = (uint16_t *)ha->request_ring; 3538 for (i = 0; i < cnt; i++) 3539 req_ring[i] = cpu_to_le16(risc_code[i]); 3540 3541 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3542 cnt); 3543 if (rval) { 3544 DEBUG(printk("scsi(%ld): [ERROR] Failed to " 3545 "load segment %d of firmware\n", 3546 ha->host_no, num)); 3547 qla_printk(KERN_WARNING, ha, 3548 "[ERROR] Failed to load segment %d of " 3549 "firmware\n", num); 3550 3551 qla2x00_dump_regs(ha); 3552 break; 3553 } 3554 3555 risc_code += cnt; 3556 risc_addr += cnt; 3557 risc_size -= cnt; 3558 num++; 3559 } 3560 3561 /* Next firmware sequence */ 3562 fw_iter++; 3563 } 3564 return rval; 3565 } 3566 3567 int 3568 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3569 { 3570 int rval, num, i; 3571 uint32_t cnt; 3572 uint32_t *risc_code; 3573 uint32_t risc_addr, risc_size; 3574 uint32_t *req_ring; 3575 struct qla_fw_info *fw_iter; 3576 3577 rval = QLA_SUCCESS; 3578 3579 /* Load firmware sequences */ 3580 fw_iter = ha->brd_info->fw_info; 3581 *srisc_addr = *((uint32_t *)fw_iter->lfwstart); 3582 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) { 3583 risc_code = (uint32_t *)fw_iter->fwcode; 3584 risc_size = *((uint32_t *)fw_iter->fwlen); 3585 risc_addr = *((uint32_t *)fw_iter->lfwstart); 3586 3587 num = 0; 3588 rval = 0; 3589 while (risc_size > 0 && !rval) { 3590 cnt = (uint32_t)(ha->fw_transfer_size >> 2); 3591 if (cnt > risc_size) 3592 cnt = risc_size; 3593 3594 DEBUG7(printk("scsi(%ld): Loading risc segment@ " 3595 "addr %p, number of bytes 0x%x, offset 0x%lx.\n", 3596 ha->host_no, risc_code, cnt, risc_addr)); 3597 3598 req_ring = (uint32_t *)ha->request_ring; 3599 for (i = 0; i < cnt; i++) 3600 req_ring[i] = cpu_to_le32(risc_code[i]); 3601 3602 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3603 cnt); 3604 if (rval) { 3605 DEBUG(printk("scsi(%ld): [ERROR] Failed to " 3606 "load segment %d of firmware\n", 3607 ha->host_no, num)); 3608 qla_printk(KERN_WARNING, ha, 3609 "[ERROR] Failed to load segment %d of " 3610 "firmware\n", num); 3611 3612 qla2x00_dump_regs(ha); 3613 break; 3614 } 3615 3616 risc_code += cnt; 3617 risc_addr += cnt; 3618 risc_size -= cnt; 3619 num++; 3620 } 3621 3622 /* Next firmware sequence */ 3623 fw_iter++; 3624 } 3625 return rval; 3626 } 3627 3628 int 3629 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3630 { 3631 int rval; 3632 int segments, fragment; 3633 uint32_t faddr; 3634 uint32_t *dcode, dlen; 3635 uint32_t risc_addr; 3636 uint32_t risc_size; 3637 uint32_t i; 3638 3639 rval = QLA_SUCCESS; 3640 3641 segments = FA_RISC_CODE_SEGMENTS; 3642 faddr = FA_RISC_CODE_ADDR; 3643 dcode = (uint32_t *)ha->request_ring; 3644 *srisc_addr = 0; 3645 3646 /* Validate firmware image by checking version. */ 3647 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); 3648 for (i = 0; i < 4; i++) 3649 dcode[i] = be32_to_cpu(dcode[i]); 3650 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3651 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3652 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3653 dcode[3] == 0)) { 3654 qla_printk(KERN_WARNING, ha, 3655 "Unable to verify integrity of flash firmware image!\n"); 3656 qla_printk(KERN_WARNING, ha, 3657 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3658 dcode[1], dcode[2], dcode[3]); 3659 3660 return QLA_FUNCTION_FAILED; 3661 } 3662 3663 while (segments && rval == QLA_SUCCESS) { 3664 /* Read segment's load information. */ 3665 qla24xx_read_flash_data(ha, dcode, faddr, 4); 3666 3667 risc_addr = be32_to_cpu(dcode[2]); 3668 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3669 risc_size = be32_to_cpu(dcode[3]); 3670 3671 fragment = 0; 3672 while (risc_size > 0 && rval == QLA_SUCCESS) { 3673 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3674 if (dlen > risc_size) 3675 dlen = risc_size; 3676 3677 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3678 "addr %x, number of dwords 0x%x, offset 0x%x.\n", 3679 ha->host_no, risc_addr, dlen, faddr)); 3680 3681 qla24xx_read_flash_data(ha, dcode, faddr, dlen); 3682 for (i = 0; i < dlen; i++) 3683 dcode[i] = swab32(dcode[i]); 3684 3685 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3686 dlen); 3687 if (rval) { 3688 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3689 "segment %d of firmware\n", ha->host_no, 3690 fragment)); 3691 qla_printk(KERN_WARNING, ha, 3692 "[ERROR] Failed to load segment %d of " 3693 "firmware\n", fragment); 3694 break; 3695 } 3696 3697 faddr += dlen; 3698 risc_addr += dlen; 3699 risc_size -= dlen; 3700 fragment++; 3701 } 3702 3703 /* Next segment. */ 3704 segments--; 3705 } 3706 3707 return rval; 3708 } 3709 3710 #else /* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */ 3711 3712 int 3713 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3714 { 3715 int rval; 3716 int i, fragment; 3717 uint16_t *wcode, *fwcode; 3718 uint32_t risc_addr, risc_size, fwclen, wlen, *seg; 3719 struct fw_blob *blob; 3720 3721 /* Load firmware blob. */ 3722 blob = qla2x00_request_firmware(ha); 3723 if (!blob) { 3724 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3725 return QLA_FUNCTION_FAILED; 3726 } 3727 3728 rval = QLA_SUCCESS; 3729 3730 wcode = (uint16_t *)ha->request_ring; 3731 *srisc_addr = 0; 3732 fwcode = (uint16_t *)blob->fw->data; 3733 fwclen = 0; 3734 3735 /* Validate firmware image by checking version. */ 3736 if (blob->fw->size < 8 * sizeof(uint16_t)) { 3737 qla_printk(KERN_WARNING, ha, 3738 "Unable to verify integrity of firmware image (%Zd)!\n", 3739 blob->fw->size); 3740 goto fail_fw_integrity; 3741 } 3742 for (i = 0; i < 4; i++) 3743 wcode[i] = be16_to_cpu(fwcode[i + 4]); 3744 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && 3745 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && 3746 wcode[2] == 0 && wcode[3] == 0)) { 3747 qla_printk(KERN_WARNING, ha, 3748 "Unable to verify integrity of firmware image!\n"); 3749 qla_printk(KERN_WARNING, ha, 3750 "Firmware data: %04x %04x %04x %04x!\n", wcode[0], 3751 wcode[1], wcode[2], wcode[3]); 3752 goto fail_fw_integrity; 3753 } 3754 3755 seg = blob->segs; 3756 while (*seg && rval == QLA_SUCCESS) { 3757 risc_addr = *seg; 3758 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; 3759 risc_size = be16_to_cpu(fwcode[3]); 3760 3761 /* Validate firmware image size. */ 3762 fwclen += risc_size * sizeof(uint16_t); 3763 if (blob->fw->size < fwclen) { 3764 qla_printk(KERN_WARNING, ha, 3765 "Unable to verify integrity of firmware image " 3766 "(%Zd)!\n", blob->fw->size); 3767 goto fail_fw_integrity; 3768 } 3769 3770 fragment = 0; 3771 while (risc_size > 0 && rval == QLA_SUCCESS) { 3772 wlen = (uint16_t)(ha->fw_transfer_size >> 1); 3773 if (wlen > risc_size) 3774 wlen = risc_size; 3775 3776 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3777 "addr %x, number of words 0x%x.\n", ha->host_no, 3778 risc_addr, wlen)); 3779 3780 for (i = 0; i < wlen; i++) 3781 wcode[i] = swab16(fwcode[i]); 3782 3783 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3784 wlen); 3785 if (rval) { 3786 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3787 "segment %d of firmware\n", ha->host_no, 3788 fragment)); 3789 qla_printk(KERN_WARNING, ha, 3790 "[ERROR] Failed to load segment %d of " 3791 "firmware\n", fragment); 3792 break; 3793 } 3794 3795 fwcode += wlen; 3796 risc_addr += wlen; 3797 risc_size -= wlen; 3798 fragment++; 3799 } 3800 3801 /* Next segment. */ 3802 seg++; 3803 } 3804 return rval; 3805 3806 fail_fw_integrity: 3807 return QLA_FUNCTION_FAILED; 3808 } 3809 3810 int 3811 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3812 { 3813 int rval; 3814 int segments, fragment; 3815 uint32_t *dcode, dlen; 3816 uint32_t risc_addr; 3817 uint32_t risc_size; 3818 uint32_t i; 3819 struct fw_blob *blob; 3820 uint32_t *fwcode, fwclen; 3821 3822 /* Load firmware blob. */ 3823 blob = qla2x00_request_firmware(ha); 3824 if (!blob) { 3825 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3826 return QLA_FUNCTION_FAILED; 3827 } 3828 3829 rval = QLA_SUCCESS; 3830 3831 segments = FA_RISC_CODE_SEGMENTS; 3832 dcode = (uint32_t *)ha->request_ring; 3833 *srisc_addr = 0; 3834 fwcode = (uint32_t *)blob->fw->data; 3835 fwclen = 0; 3836 3837 /* Validate firmware image by checking version. */ 3838 if (blob->fw->size < 8 * sizeof(uint32_t)) { 3839 qla_printk(KERN_WARNING, ha, 3840 "Unable to verify integrity of firmware image (%Zd)!\n", 3841 blob->fw->size); 3842 goto fail_fw_integrity; 3843 } 3844 for (i = 0; i < 4; i++) 3845 dcode[i] = be32_to_cpu(fwcode[i + 4]); 3846 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3847 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3848 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3849 dcode[3] == 0)) { 3850 qla_printk(KERN_WARNING, ha, 3851 "Unable to verify integrity of firmware image!\n"); 3852 qla_printk(KERN_WARNING, ha, 3853 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3854 dcode[1], dcode[2], dcode[3]); 3855 goto fail_fw_integrity; 3856 } 3857 3858 while (segments && rval == QLA_SUCCESS) { 3859 risc_addr = be32_to_cpu(fwcode[2]); 3860 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3861 risc_size = be32_to_cpu(fwcode[3]); 3862 3863 /* Validate firmware image size. */ 3864 fwclen += risc_size * sizeof(uint32_t); 3865 if (blob->fw->size < fwclen) { 3866 qla_printk(KERN_WARNING, ha, 3867 "Unable to verify integrity of firmware image " 3868 "(%Zd)!\n", blob->fw->size); 3869 3870 goto fail_fw_integrity; 3871 } 3872 3873 fragment = 0; 3874 while (risc_size > 0 && rval == QLA_SUCCESS) { 3875 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3876 if (dlen > risc_size) 3877 dlen = risc_size; 3878 3879 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3880 "addr %x, number of dwords 0x%x.\n", ha->host_no, 3881 risc_addr, dlen)); 3882 3883 for (i = 0; i < dlen; i++) 3884 dcode[i] = swab32(fwcode[i]); 3885 3886 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3887 dlen); 3888 if (rval) { 3889 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3890 "segment %d of firmware\n", ha->host_no, 3891 fragment)); 3892 qla_printk(KERN_WARNING, ha, 3893 "[ERROR] Failed to load segment %d of " 3894 "firmware\n", fragment); 3895 break; 3896 } 3897 3898 fwcode += dlen; 3899 risc_addr += dlen; 3900 risc_size -= dlen; 3901 fragment++; 3902 } 3903 3904 /* Next segment. */ 3905 segments--; 3906 } 3907 return rval; 3908 3909 fail_fw_integrity: 3910 return QLA_FUNCTION_FAILED; 3911 } 3912 #endif 3913