1 /* 2 * QLOGIC LINUX SOFTWARE 3 * 4 * QLogic ISP2x00 device driver for Linux 2.6.x 5 * Copyright (C) 2003-2005 QLogic Corporation 6 * (www.qlogic.com) 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2, or (at your option) any 11 * later version. 12 * 13 * This program is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 * 18 */ 19 #include "qla_def.h" 20 21 #include <linux/delay.h> 22 #include <linux/vmalloc.h> 23 #include <linux/firmware.h> 24 #include <scsi/scsi_transport_fc.h> 25 26 #include "qla_devtbl.h" 27 28 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */ 29 #ifndef EXT_IS_LUN_BIT_SET 30 #define EXT_IS_LUN_BIT_SET(P,L) \ 31 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0) 32 #define EXT_SET_LUN_BIT(P,L) \ 33 ((P)->mask[L/8] |= (0x80 >> (L%8))) 34 #endif 35 36 /* 37 * QLogic ISP2x00 Hardware Support Function Prototypes. 38 */ 39 static int qla2x00_isp_firmware(scsi_qla_host_t *); 40 static void qla2x00_resize_request_q(scsi_qla_host_t *); 41 static int qla2x00_setup_chip(scsi_qla_host_t *); 42 static void qla2x00_init_response_q_entries(scsi_qla_host_t *); 43 static int qla2x00_init_rings(scsi_qla_host_t *); 44 static int qla2x00_fw_ready(scsi_qla_host_t *); 45 static int qla2x00_configure_hba(scsi_qla_host_t *); 46 static int qla2x00_configure_loop(scsi_qla_host_t *); 47 static int qla2x00_configure_local_loop(scsi_qla_host_t *); 48 static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *); 49 static int qla2x00_configure_fabric(scsi_qla_host_t *); 50 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); 51 static int qla2x00_device_resync(scsi_qla_host_t *); 52 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, 53 uint16_t *); 54 55 static int qla2x00_restart_isp(scsi_qla_host_t *); 56 57 /****************************************************************************/ 58 /* QLogic ISP2x00 Hardware Support Functions. */ 59 /****************************************************************************/ 60 61 /* 62 * qla2x00_initialize_adapter 63 * Initialize board. 64 * 65 * Input: 66 * ha = adapter block pointer. 67 * 68 * Returns: 69 * 0 = success 70 */ 71 int 72 qla2x00_initialize_adapter(scsi_qla_host_t *ha) 73 { 74 int rval; 75 uint8_t restart_risc = 0; 76 uint8_t retry; 77 uint32_t wait_time; 78 79 /* Clear adapter flags. */ 80 ha->flags.online = 0; 81 ha->flags.reset_active = 0; 82 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 83 atomic_set(&ha->loop_state, LOOP_DOWN); 84 ha->device_flags = 0; 85 ha->dpc_flags = 0; 86 ha->flags.management_server_logged_in = 0; 87 ha->marker_needed = 0; 88 ha->mbx_flags = 0; 89 ha->isp_abort_cnt = 0; 90 ha->beacon_blink_led = 0; 91 92 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 93 rval = ha->isp_ops.pci_config(ha); 94 if (rval) { 95 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n", 96 ha->host_no)); 97 return (rval); 98 } 99 100 ha->isp_ops.reset_chip(ha); 101 102 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); 103 104 ha->isp_ops.nvram_config(ha); 105 106 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); 107 108 retry = 10; 109 /* 110 * Try to configure the loop. 111 */ 112 do { 113 restart_risc = 0; 114 115 /* If firmware needs to be loaded */ 116 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { 117 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) { 118 rval = qla2x00_setup_chip(ha); 119 } 120 } 121 122 if (rval == QLA_SUCCESS && 123 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) { 124 check_fw_ready_again: 125 /* 126 * Wait for a successful LIP up to a maximum 127 * of (in seconds): RISC login timeout value, 128 * RISC retry count value, and port down retry 129 * value OR a minimum of 4 seconds OR If no 130 * cable, only 5 seconds. 131 */ 132 rval = qla2x00_fw_ready(ha); 133 if (rval == QLA_SUCCESS) { 134 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 135 136 /* Issue a marker after FW becomes ready. */ 137 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 138 139 /* 140 * Wait at most MAX_TARGET RSCNs for a stable 141 * link. 142 */ 143 wait_time = 256; 144 do { 145 clear_bit(LOOP_RESYNC_NEEDED, 146 &ha->dpc_flags); 147 rval = qla2x00_configure_loop(ha); 148 149 if (test_and_clear_bit(ISP_ABORT_NEEDED, 150 &ha->dpc_flags)) { 151 restart_risc = 1; 152 break; 153 } 154 155 /* 156 * If loop state change while we were 157 * discoverying devices then wait for 158 * LIP to complete 159 */ 160 161 if (atomic_read(&ha->loop_state) == 162 LOOP_DOWN && retry--) { 163 goto check_fw_ready_again; 164 } 165 wait_time--; 166 } while (!atomic_read(&ha->loop_down_timer) && 167 retry && 168 wait_time && 169 (test_bit(LOOP_RESYNC_NEEDED, 170 &ha->dpc_flags))); 171 172 if (wait_time == 0) 173 rval = QLA_FUNCTION_FAILED; 174 } else if (ha->device_flags & DFLG_NO_CABLE) 175 /* If no cable, then all is good. */ 176 rval = QLA_SUCCESS; 177 } 178 } while (restart_risc && retry--); 179 180 if (rval == QLA_SUCCESS) { 181 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 182 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 183 ha->marker_needed = 0; 184 185 ha->flags.online = 1; 186 } else { 187 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 188 } 189 190 return (rval); 191 } 192 193 /** 194 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. 195 * @ha: HA context 196 * 197 * Returns 0 on success. 198 */ 199 int 200 qla2100_pci_config(scsi_qla_host_t *ha) 201 { 202 uint16_t w, mwi; 203 unsigned long flags; 204 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 205 206 pci_set_master(ha->pdev); 207 mwi = 0; 208 if (pci_set_mwi(ha->pdev)) 209 mwi = PCI_COMMAND_INVALIDATE; 210 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); 211 212 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 213 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 214 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 215 216 /* Reset expansion ROM address decode enable */ 217 pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w); 218 w &= ~PCI_ROM_ADDRESS_ENABLE; 219 pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w); 220 221 /* Get PCI bus information. */ 222 spin_lock_irqsave(&ha->hardware_lock, flags); 223 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 224 spin_unlock_irqrestore(&ha->hardware_lock, flags); 225 226 return QLA_SUCCESS; 227 } 228 229 /** 230 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. 231 * @ha: HA context 232 * 233 * Returns 0 on success. 234 */ 235 int 236 qla2300_pci_config(scsi_qla_host_t *ha) 237 { 238 uint16_t w, mwi; 239 unsigned long flags = 0; 240 uint32_t cnt; 241 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 242 243 pci_set_master(ha->pdev); 244 mwi = 0; 245 if (pci_set_mwi(ha->pdev)) 246 mwi = PCI_COMMAND_INVALIDATE; 247 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); 248 249 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 250 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 251 252 if (IS_QLA2322(ha) || IS_QLA6322(ha)) 253 w &= ~PCI_COMMAND_INTX_DISABLE; 254 255 /* 256 * If this is a 2300 card and not 2312, reset the 257 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, 258 * the 2310 also reports itself as a 2300 so we need to get the 259 * fb revision level -- a 6 indicates it really is a 2300 and 260 * not a 2310. 261 */ 262 if (IS_QLA2300(ha)) { 263 spin_lock_irqsave(&ha->hardware_lock, flags); 264 265 /* Pause RISC. */ 266 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 267 for (cnt = 0; cnt < 30000; cnt++) { 268 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) != 0) 269 break; 270 271 udelay(10); 272 } 273 274 /* Select FPM registers. */ 275 WRT_REG_WORD(®->ctrl_status, 0x20); 276 RD_REG_WORD(®->ctrl_status); 277 278 /* Get the fb rev level */ 279 ha->fb_rev = RD_FB_CMD_REG(ha, reg); 280 281 if (ha->fb_rev == FPM_2300) 282 w &= ~PCI_COMMAND_INVALIDATE; 283 284 /* Deselect FPM registers. */ 285 WRT_REG_WORD(®->ctrl_status, 0x0); 286 RD_REG_WORD(®->ctrl_status); 287 288 /* Release RISC module. */ 289 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 290 for (cnt = 0; cnt < 30000; cnt++) { 291 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0) 292 break; 293 294 udelay(10); 295 } 296 297 spin_unlock_irqrestore(&ha->hardware_lock, flags); 298 } 299 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 300 301 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 302 303 /* Reset expansion ROM address decode enable */ 304 pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w); 305 w &= ~PCI_ROM_ADDRESS_ENABLE; 306 pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w); 307 308 /* Get PCI bus information. */ 309 spin_lock_irqsave(&ha->hardware_lock, flags); 310 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 311 spin_unlock_irqrestore(&ha->hardware_lock, flags); 312 313 return QLA_SUCCESS; 314 } 315 316 /** 317 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers. 318 * @ha: HA context 319 * 320 * Returns 0 on success. 321 */ 322 int 323 qla24xx_pci_config(scsi_qla_host_t *ha) 324 { 325 uint16_t w, mwi; 326 unsigned long flags = 0; 327 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 328 int pcix_cmd_reg, pcie_dctl_reg; 329 330 pci_set_master(ha->pdev); 331 mwi = 0; 332 if (pci_set_mwi(ha->pdev)) 333 mwi = PCI_COMMAND_INVALIDATE; 334 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision); 335 336 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 337 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 338 w &= ~PCI_COMMAND_INTX_DISABLE; 339 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 340 341 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 342 343 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */ 344 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX); 345 if (pcix_cmd_reg) { 346 uint16_t pcix_cmd; 347 348 pcix_cmd_reg += PCI_X_CMD; 349 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd); 350 pcix_cmd &= ~PCI_X_CMD_MAX_READ; 351 pcix_cmd |= 0x0008; 352 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd); 353 } 354 355 /* PCIe -- adjust Maximum Read Request Size (2048). */ 356 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); 357 if (pcie_dctl_reg) { 358 uint16_t pcie_dctl; 359 360 pcie_dctl_reg += PCI_EXP_DEVCTL; 361 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl); 362 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ; 363 pcie_dctl |= 0x4000; 364 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl); 365 } 366 367 /* Reset expansion ROM address decode enable */ 368 pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w); 369 w &= ~PCI_ROM_ADDRESS_ENABLE; 370 pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w); 371 372 /* Get PCI bus information. */ 373 spin_lock_irqsave(&ha->hardware_lock, flags); 374 ha->pci_attr = RD_REG_DWORD(®->ctrl_status); 375 spin_unlock_irqrestore(&ha->hardware_lock, flags); 376 377 return QLA_SUCCESS; 378 } 379 380 /** 381 * qla2x00_isp_firmware() - Choose firmware image. 382 * @ha: HA context 383 * 384 * Returns 0 on success. 385 */ 386 static int 387 qla2x00_isp_firmware(scsi_qla_host_t *ha) 388 { 389 int rval; 390 391 /* Assume loading risc code */ 392 rval = QLA_FUNCTION_FAILED; 393 394 if (ha->flags.disable_risc_code_load) { 395 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", 396 ha->host_no)); 397 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); 398 399 /* Verify checksum of loaded RISC code. */ 400 rval = qla2x00_verify_checksum(ha, 401 IS_QLA24XX(ha) || IS_QLA25XX(ha) ? RISC_SADDRESS : 402 *ha->brd_info->fw_info[0].fwstart); 403 } 404 405 if (rval) { 406 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", 407 ha->host_no)); 408 } 409 410 return (rval); 411 } 412 413 /** 414 * qla2x00_reset_chip() - Reset ISP chip. 415 * @ha: HA context 416 * 417 * Returns 0 on success. 418 */ 419 void 420 qla2x00_reset_chip(scsi_qla_host_t *ha) 421 { 422 unsigned long flags = 0; 423 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 424 uint32_t cnt; 425 unsigned long mbx_flags = 0; 426 uint16_t cmd; 427 428 ha->isp_ops.disable_intrs(ha); 429 430 spin_lock_irqsave(&ha->hardware_lock, flags); 431 432 /* Turn off master enable */ 433 cmd = 0; 434 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); 435 cmd &= ~PCI_COMMAND_MASTER; 436 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 437 438 if (!IS_QLA2100(ha)) { 439 /* Pause RISC. */ 440 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 441 if (IS_QLA2200(ha) || IS_QLA2300(ha)) { 442 for (cnt = 0; cnt < 30000; cnt++) { 443 if ((RD_REG_WORD(®->hccr) & 444 HCCR_RISC_PAUSE) != 0) 445 break; 446 udelay(100); 447 } 448 } else { 449 RD_REG_WORD(®->hccr); /* PCI Posting. */ 450 udelay(10); 451 } 452 453 /* Select FPM registers. */ 454 WRT_REG_WORD(®->ctrl_status, 0x20); 455 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 456 457 /* FPM Soft Reset. */ 458 WRT_REG_WORD(®->fpm_diag_config, 0x100); 459 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 460 461 /* Toggle Fpm Reset. */ 462 if (!IS_QLA2200(ha)) { 463 WRT_REG_WORD(®->fpm_diag_config, 0x0); 464 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 465 } 466 467 /* Select frame buffer registers. */ 468 WRT_REG_WORD(®->ctrl_status, 0x10); 469 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 470 471 /* Reset frame buffer FIFOs. */ 472 if (IS_QLA2200(ha)) { 473 WRT_FB_CMD_REG(ha, reg, 0xa000); 474 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ 475 } else { 476 WRT_FB_CMD_REG(ha, reg, 0x00fc); 477 478 /* Read back fb_cmd until zero or 3 seconds max */ 479 for (cnt = 0; cnt < 3000; cnt++) { 480 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) 481 break; 482 udelay(100); 483 } 484 } 485 486 /* Select RISC module registers. */ 487 WRT_REG_WORD(®->ctrl_status, 0); 488 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 489 490 /* Reset RISC processor. */ 491 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 492 RD_REG_WORD(®->hccr); /* PCI Posting. */ 493 494 /* Release RISC processor. */ 495 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 496 RD_REG_WORD(®->hccr); /* PCI Posting. */ 497 } 498 499 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 500 WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); 501 502 /* Reset ISP chip. */ 503 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 504 505 /* Wait for RISC to recover from reset. */ 506 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 507 /* 508 * It is necessary to for a delay here since the card doesn't 509 * respond to PCI reads during a reset. On some architectures 510 * this will result in an MCA. 511 */ 512 udelay(20); 513 for (cnt = 30000; cnt; cnt--) { 514 if ((RD_REG_WORD(®->ctrl_status) & 515 CSR_ISP_SOFT_RESET) == 0) 516 break; 517 udelay(100); 518 } 519 } else 520 udelay(10); 521 522 /* Reset RISC processor. */ 523 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 524 525 WRT_REG_WORD(®->semaphore, 0); 526 527 /* Release RISC processor. */ 528 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 529 RD_REG_WORD(®->hccr); /* PCI Posting. */ 530 531 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 532 for (cnt = 0; cnt < 30000; cnt++) { 533 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) 534 spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags); 535 536 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) { 537 if (!(test_bit(ABORT_ISP_ACTIVE, 538 &ha->dpc_flags))) 539 spin_unlock_irqrestore( 540 &ha->mbx_reg_lock, mbx_flags); 541 break; 542 } 543 544 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) 545 spin_unlock_irqrestore(&ha->mbx_reg_lock, 546 mbx_flags); 547 548 udelay(100); 549 } 550 } else 551 udelay(100); 552 553 /* Turn on master enable */ 554 cmd |= PCI_COMMAND_MASTER; 555 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 556 557 /* Disable RISC pause on FPM parity error. */ 558 if (!IS_QLA2100(ha)) { 559 WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); 560 RD_REG_WORD(®->hccr); /* PCI Posting. */ 561 } 562 563 spin_unlock_irqrestore(&ha->hardware_lock, flags); 564 } 565 566 /** 567 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC. 568 * @ha: HA context 569 * 570 * Returns 0 on success. 571 */ 572 static inline void 573 qla24xx_reset_risc(scsi_qla_host_t *ha) 574 { 575 unsigned long flags = 0; 576 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 577 uint32_t cnt, d2; 578 579 spin_lock_irqsave(&ha->hardware_lock, flags); 580 581 /* Reset RISC. */ 582 WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 583 for (cnt = 0; cnt < 30000; cnt++) { 584 if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) 585 break; 586 587 udelay(10); 588 } 589 590 WRT_REG_DWORD(®->ctrl_status, 591 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 592 RD_REG_DWORD(®->ctrl_status); 593 594 /* Wait for firmware to complete NVRAM accesses. */ 595 udelay(5); 596 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 597 for (cnt = 10000 ; cnt && d2; cnt--) { 598 udelay(5); 599 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 600 barrier(); 601 } 602 603 udelay(20); 604 d2 = RD_REG_DWORD(®->ctrl_status); 605 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) { 606 udelay(5); 607 d2 = RD_REG_DWORD(®->ctrl_status); 608 barrier(); 609 } 610 611 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 612 RD_REG_DWORD(®->hccr); 613 614 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 615 RD_REG_DWORD(®->hccr); 616 617 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET); 618 RD_REG_DWORD(®->hccr); 619 620 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 621 for (cnt = 6000000 ; cnt && d2; cnt--) { 622 udelay(5); 623 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 624 barrier(); 625 } 626 627 spin_unlock_irqrestore(&ha->hardware_lock, flags); 628 } 629 630 /** 631 * qla24xx_reset_chip() - Reset ISP24xx chip. 632 * @ha: HA context 633 * 634 * Returns 0 on success. 635 */ 636 void 637 qla24xx_reset_chip(scsi_qla_host_t *ha) 638 { 639 ha->isp_ops.disable_intrs(ha); 640 641 /* Perform RISC reset. */ 642 qla24xx_reset_risc(ha); 643 } 644 645 /** 646 * qla2x00_chip_diag() - Test chip for proper operation. 647 * @ha: HA context 648 * 649 * Returns 0 on success. 650 */ 651 int 652 qla2x00_chip_diag(scsi_qla_host_t *ha) 653 { 654 int rval; 655 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 656 unsigned long flags = 0; 657 uint16_t data; 658 uint32_t cnt; 659 uint16_t mb[5]; 660 661 /* Assume a failed state */ 662 rval = QLA_FUNCTION_FAILED; 663 664 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", 665 ha->host_no, (u_long)®->flash_address)); 666 667 spin_lock_irqsave(&ha->hardware_lock, flags); 668 669 /* Reset ISP chip. */ 670 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 671 672 /* 673 * We need to have a delay here since the card will not respond while 674 * in reset causing an MCA on some architectures. 675 */ 676 udelay(20); 677 data = qla2x00_debounce_register(®->ctrl_status); 678 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { 679 udelay(5); 680 data = RD_REG_WORD(®->ctrl_status); 681 barrier(); 682 } 683 684 if (!cnt) 685 goto chip_diag_failed; 686 687 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", 688 ha->host_no)); 689 690 /* Reset RISC processor. */ 691 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 692 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 693 694 /* Workaround for QLA2312 PCI parity error */ 695 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 696 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); 697 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { 698 udelay(5); 699 data = RD_MAILBOX_REG(ha, reg, 0); 700 barrier(); 701 } 702 } else 703 udelay(10); 704 705 if (!cnt) 706 goto chip_diag_failed; 707 708 /* Check product ID of chip */ 709 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); 710 711 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 712 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 713 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 714 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); 715 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || 716 mb[3] != PROD_ID_3) { 717 qla_printk(KERN_WARNING, ha, 718 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); 719 720 goto chip_diag_failed; 721 } 722 ha->product_id[0] = mb[1]; 723 ha->product_id[1] = mb[2]; 724 ha->product_id[2] = mb[3]; 725 ha->product_id[3] = mb[4]; 726 727 /* Adjust fw RISC transfer size */ 728 if (ha->request_q_length > 1024) 729 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 730 else 731 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 732 ha->request_q_length; 733 734 if (IS_QLA2200(ha) && 735 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { 736 /* Limit firmware transfer size with a 2200A */ 737 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", 738 ha->host_no)); 739 740 ha->fw_transfer_size = 128; 741 } 742 743 /* Wrap Incoming Mailboxes Test. */ 744 spin_unlock_irqrestore(&ha->hardware_lock, flags); 745 746 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); 747 rval = qla2x00_mbx_reg_test(ha); 748 if (rval) { 749 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 750 ha->host_no)); 751 qla_printk(KERN_WARNING, ha, 752 "Failed mailbox send register test\n"); 753 } 754 else { 755 /* Flag a successful rval */ 756 rval = QLA_SUCCESS; 757 } 758 spin_lock_irqsave(&ha->hardware_lock, flags); 759 760 chip_diag_failed: 761 if (rval) 762 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " 763 "****\n", ha->host_no)); 764 765 spin_unlock_irqrestore(&ha->hardware_lock, flags); 766 767 return (rval); 768 } 769 770 /** 771 * qla24xx_chip_diag() - Test ISP24xx for proper operation. 772 * @ha: HA context 773 * 774 * Returns 0 on success. 775 */ 776 int 777 qla24xx_chip_diag(scsi_qla_host_t *ha) 778 { 779 int rval; 780 781 /* Perform RISC reset. */ 782 qla24xx_reset_risc(ha); 783 784 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 785 786 rval = qla2x00_mbx_reg_test(ha); 787 if (rval) { 788 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 789 ha->host_no)); 790 qla_printk(KERN_WARNING, ha, 791 "Failed mailbox send register test\n"); 792 } else { 793 /* Flag a successful rval */ 794 rval = QLA_SUCCESS; 795 } 796 797 return rval; 798 } 799 800 static void 801 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) 802 { 803 ha->fw_dumped = 0; 804 ha->fw_dump24_len = sizeof(struct qla24xx_fw_dump); 805 ha->fw_dump24_len += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t); 806 ha->fw_dump24 = vmalloc(ha->fw_dump24_len); 807 if (ha->fw_dump24) 808 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware " 809 "dump...\n", ha->fw_dump24_len / 1024); 810 else 811 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for " 812 "firmware dump!!!\n", ha->fw_dump24_len / 1024); 813 } 814 815 /** 816 * qla2x00_resize_request_q() - Resize request queue given available ISP memory. 817 * @ha: HA context 818 * 819 * Returns 0 on success. 820 */ 821 static void 822 qla2x00_resize_request_q(scsi_qla_host_t *ha) 823 { 824 int rval; 825 uint16_t fw_iocb_cnt = 0; 826 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; 827 dma_addr_t request_dma; 828 request_t *request_ring; 829 830 /* Valid only on recent ISPs. */ 831 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 832 return; 833 834 if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) 835 qla2x00_alloc_fw_dump(ha); 836 837 /* Retrieve IOCB counts available to the firmware. */ 838 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt); 839 if (rval) 840 return; 841 /* No point in continuing if current settings are sufficient. */ 842 if (fw_iocb_cnt < 1024) 843 return; 844 if (ha->request_q_length >= request_q_length) 845 return; 846 847 /* Attempt to claim larger area for request queue. */ 848 request_ring = dma_alloc_coherent(&ha->pdev->dev, 849 (request_q_length + 1) * sizeof(request_t), &request_dma, 850 GFP_KERNEL); 851 if (request_ring == NULL) 852 return; 853 854 /* Resize successful, report extensions. */ 855 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", 856 (ha->fw_memory_size + 1) / 1024); 857 qla_printk(KERN_INFO, ha, "Resizing request queue depth " 858 "(%d -> %d)...\n", ha->request_q_length, request_q_length); 859 860 /* Clear old allocations. */ 861 dma_free_coherent(&ha->pdev->dev, 862 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, 863 ha->request_dma); 864 865 /* Begin using larger queue. */ 866 ha->request_q_length = request_q_length; 867 ha->request_ring = request_ring; 868 ha->request_dma = request_dma; 869 } 870 871 /** 872 * qla2x00_setup_chip() - Load and start RISC firmware. 873 * @ha: HA context 874 * 875 * Returns 0 on success. 876 */ 877 static int 878 qla2x00_setup_chip(scsi_qla_host_t *ha) 879 { 880 int rval; 881 uint32_t srisc_address = 0; 882 883 /* Load firmware sequences */ 884 rval = ha->isp_ops.load_risc(ha, &srisc_address); 885 if (rval == QLA_SUCCESS) { 886 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " 887 "code.\n", ha->host_no)); 888 889 rval = qla2x00_verify_checksum(ha, srisc_address); 890 if (rval == QLA_SUCCESS) { 891 /* Start firmware execution. */ 892 DEBUG(printk("scsi(%ld): Checksum OK, start " 893 "firmware.\n", ha->host_no)); 894 895 rval = qla2x00_execute_fw(ha, srisc_address); 896 /* Retrieve firmware information. */ 897 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { 898 qla2x00_get_fw_version(ha, 899 &ha->fw_major_version, 900 &ha->fw_minor_version, 901 &ha->fw_subminor_version, 902 &ha->fw_attributes, &ha->fw_memory_size); 903 qla2x00_resize_request_q(ha); 904 } 905 } else { 906 DEBUG2(printk(KERN_INFO 907 "scsi(%ld): ISP Firmware failed checksum.\n", 908 ha->host_no)); 909 } 910 } 911 912 if (rval) { 913 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", 914 ha->host_no)); 915 } 916 917 return (rval); 918 } 919 920 /** 921 * qla2x00_init_response_q_entries() - Initializes response queue entries. 922 * @ha: HA context 923 * 924 * Beginning of request ring has initialization control block already built 925 * by nvram config routine. 926 * 927 * Returns 0 on success. 928 */ 929 static void 930 qla2x00_init_response_q_entries(scsi_qla_host_t *ha) 931 { 932 uint16_t cnt; 933 response_t *pkt; 934 935 pkt = ha->response_ring_ptr; 936 for (cnt = 0; cnt < ha->response_q_length; cnt++) { 937 pkt->signature = RESPONSE_PROCESSED; 938 pkt++; 939 } 940 941 } 942 943 /** 944 * qla2x00_update_fw_options() - Read and process firmware options. 945 * @ha: HA context 946 * 947 * Returns 0 on success. 948 */ 949 void 950 qla2x00_update_fw_options(scsi_qla_host_t *ha) 951 { 952 uint16_t swing, emphasis, tx_sens, rx_sens; 953 954 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 955 qla2x00_get_fw_options(ha, ha->fw_options); 956 957 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 958 return; 959 960 /* Serial Link options. */ 961 DEBUG3(printk("scsi(%ld): Serial link options:\n", 962 ha->host_no)); 963 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, 964 sizeof(ha->fw_seriallink_options))); 965 966 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 967 if (ha->fw_seriallink_options[3] & BIT_2) { 968 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 969 970 /* 1G settings */ 971 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 972 emphasis = (ha->fw_seriallink_options[2] & 973 (BIT_4 | BIT_3)) >> 3; 974 tx_sens = ha->fw_seriallink_options[0] & 975 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 976 rx_sens = (ha->fw_seriallink_options[0] & 977 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 978 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 979 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 980 if (rx_sens == 0x0) 981 rx_sens = 0x3; 982 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 983 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 984 ha->fw_options[10] |= BIT_5 | 985 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 986 (tx_sens & (BIT_1 | BIT_0)); 987 988 /* 2G settings */ 989 swing = (ha->fw_seriallink_options[2] & 990 (BIT_7 | BIT_6 | BIT_5)) >> 5; 991 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 992 tx_sens = ha->fw_seriallink_options[1] & 993 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 994 rx_sens = (ha->fw_seriallink_options[1] & 995 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 996 ha->fw_options[11] = (emphasis << 14) | (swing << 8); 997 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 998 if (rx_sens == 0x0) 999 rx_sens = 0x3; 1000 ha->fw_options[11] |= (tx_sens << 4) | rx_sens; 1001 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1002 ha->fw_options[11] |= BIT_5 | 1003 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1004 (tx_sens & (BIT_1 | BIT_0)); 1005 } 1006 1007 /* FCP2 options. */ 1008 /* Return command IOCBs without waiting for an ABTS to complete. */ 1009 ha->fw_options[3] |= BIT_13; 1010 1011 /* LED scheme. */ 1012 if (ha->flags.enable_led_scheme) 1013 ha->fw_options[2] |= BIT_12; 1014 1015 /* Update firmware options. */ 1016 qla2x00_set_fw_options(ha, ha->fw_options); 1017 } 1018 1019 void 1020 qla24xx_update_fw_options(scsi_qla_host_t *ha) 1021 { 1022 int rval; 1023 1024 /* Update Serial Link options. */ 1025 if ((ha->fw_seriallink_options24[0] & BIT_0) == 0) 1026 return; 1027 1028 rval = qla2x00_set_serdes_params(ha, ha->fw_seriallink_options24[1], 1029 ha->fw_seriallink_options24[2], ha->fw_seriallink_options24[3]); 1030 if (rval != QLA_SUCCESS) { 1031 qla_printk(KERN_WARNING, ha, 1032 "Unable to update Serial Link options (%x).\n", rval); 1033 } 1034 } 1035 1036 void 1037 qla2x00_config_rings(struct scsi_qla_host *ha) 1038 { 1039 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1040 1041 /* Setup ring parameters in initialization control block. */ 1042 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); 1043 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); 1044 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); 1045 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); 1046 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1047 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1048 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1049 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1050 1051 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); 1052 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); 1053 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); 1054 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); 1055 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 1056 } 1057 1058 void 1059 qla24xx_config_rings(struct scsi_qla_host *ha) 1060 { 1061 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1062 struct init_cb_24xx *icb; 1063 1064 /* Setup ring parameters in initialization control block. */ 1065 icb = (struct init_cb_24xx *)ha->init_cb; 1066 icb->request_q_outpointer = __constant_cpu_to_le16(0); 1067 icb->response_q_inpointer = __constant_cpu_to_le16(0); 1068 icb->request_q_length = cpu_to_le16(ha->request_q_length); 1069 icb->response_q_length = cpu_to_le16(ha->response_q_length); 1070 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1071 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1072 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1073 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1074 1075 WRT_REG_DWORD(®->req_q_in, 0); 1076 WRT_REG_DWORD(®->req_q_out, 0); 1077 WRT_REG_DWORD(®->rsp_q_in, 0); 1078 WRT_REG_DWORD(®->rsp_q_out, 0); 1079 RD_REG_DWORD(®->rsp_q_out); 1080 } 1081 1082 /** 1083 * qla2x00_init_rings() - Initializes firmware. 1084 * @ha: HA context 1085 * 1086 * Beginning of request ring has initialization control block already built 1087 * by nvram config routine. 1088 * 1089 * Returns 0 on success. 1090 */ 1091 static int 1092 qla2x00_init_rings(scsi_qla_host_t *ha) 1093 { 1094 int rval; 1095 unsigned long flags = 0; 1096 int cnt; 1097 1098 spin_lock_irqsave(&ha->hardware_lock, flags); 1099 1100 /* Clear outstanding commands array. */ 1101 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) 1102 ha->outstanding_cmds[cnt] = NULL; 1103 1104 ha->current_outstanding_cmd = 0; 1105 1106 /* Clear RSCN queue. */ 1107 ha->rscn_in_ptr = 0; 1108 ha->rscn_out_ptr = 0; 1109 1110 /* Initialize firmware. */ 1111 ha->request_ring_ptr = ha->request_ring; 1112 ha->req_ring_index = 0; 1113 ha->req_q_cnt = ha->request_q_length; 1114 ha->response_ring_ptr = ha->response_ring; 1115 ha->rsp_ring_index = 0; 1116 1117 /* Initialize response queue entries */ 1118 qla2x00_init_response_q_entries(ha); 1119 1120 ha->isp_ops.config_rings(ha); 1121 1122 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1123 1124 /* Update any ISP specific firmware options before initialization. */ 1125 ha->isp_ops.update_fw_options(ha); 1126 1127 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); 1128 rval = qla2x00_init_firmware(ha, ha->init_cb_size); 1129 if (rval) { 1130 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", 1131 ha->host_no)); 1132 } else { 1133 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", 1134 ha->host_no)); 1135 } 1136 1137 return (rval); 1138 } 1139 1140 /** 1141 * qla2x00_fw_ready() - Waits for firmware ready. 1142 * @ha: HA context 1143 * 1144 * Returns 0 on success. 1145 */ 1146 static int 1147 qla2x00_fw_ready(scsi_qla_host_t *ha) 1148 { 1149 int rval; 1150 unsigned long wtime, mtime; 1151 uint16_t min_wait; /* Minimum wait time if loop is down */ 1152 uint16_t wait_time; /* Wait time if loop is coming ready */ 1153 uint16_t fw_state; 1154 1155 rval = QLA_SUCCESS; 1156 1157 /* 20 seconds for loop down. */ 1158 min_wait = 20; 1159 1160 /* 1161 * Firmware should take at most one RATOV to login, plus 5 seconds for 1162 * our own processing. 1163 */ 1164 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 1165 wait_time = min_wait; 1166 } 1167 1168 /* Min wait time if loop down */ 1169 mtime = jiffies + (min_wait * HZ); 1170 1171 /* wait time before firmware ready */ 1172 wtime = jiffies + (wait_time * HZ); 1173 1174 /* Wait for ISP to finish LIP */ 1175 if (!ha->flags.init_done) 1176 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); 1177 1178 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", 1179 ha->host_no)); 1180 1181 do { 1182 rval = qla2x00_get_firmware_state(ha, &fw_state); 1183 if (rval == QLA_SUCCESS) { 1184 if (fw_state < FSTATE_LOSS_OF_SYNC) { 1185 ha->device_flags &= ~DFLG_NO_CABLE; 1186 } 1187 if (fw_state == FSTATE_READY) { 1188 DEBUG(printk("scsi(%ld): F/W Ready - OK \n", 1189 ha->host_no)); 1190 1191 qla2x00_get_retry_cnt(ha, &ha->retry_count, 1192 &ha->login_timeout, &ha->r_a_tov); 1193 1194 rval = QLA_SUCCESS; 1195 break; 1196 } 1197 1198 rval = QLA_FUNCTION_FAILED; 1199 1200 if (atomic_read(&ha->loop_down_timer) && 1201 (fw_state >= FSTATE_LOSS_OF_SYNC || 1202 fw_state == FSTATE_WAIT_AL_PA)) { 1203 /* Loop down. Timeout on min_wait for states 1204 * other than Wait for Login. 1205 */ 1206 if (time_after_eq(jiffies, mtime)) { 1207 qla_printk(KERN_INFO, ha, 1208 "Cable is unplugged...\n"); 1209 1210 ha->device_flags |= DFLG_NO_CABLE; 1211 break; 1212 } 1213 } 1214 } else { 1215 /* Mailbox cmd failed. Timeout on min_wait. */ 1216 if (time_after_eq(jiffies, mtime)) 1217 break; 1218 } 1219 1220 if (time_after_eq(jiffies, wtime)) 1221 break; 1222 1223 /* Delay for a while */ 1224 msleep(500); 1225 1226 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1227 ha->host_no, fw_state, jiffies)); 1228 } while (1); 1229 1230 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1231 ha->host_no, fw_state, jiffies)); 1232 1233 if (rval) { 1234 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", 1235 ha->host_no)); 1236 } 1237 1238 return (rval); 1239 } 1240 1241 /* 1242 * qla2x00_configure_hba 1243 * Setup adapter context. 1244 * 1245 * Input: 1246 * ha = adapter state pointer. 1247 * 1248 * Returns: 1249 * 0 = success 1250 * 1251 * Context: 1252 * Kernel context. 1253 */ 1254 static int 1255 qla2x00_configure_hba(scsi_qla_host_t *ha) 1256 { 1257 int rval; 1258 uint16_t loop_id; 1259 uint16_t topo; 1260 uint8_t al_pa; 1261 uint8_t area; 1262 uint8_t domain; 1263 char connect_type[22]; 1264 1265 /* Get host addresses. */ 1266 rval = qla2x00_get_adapter_id(ha, 1267 &loop_id, &al_pa, &area, &domain, &topo); 1268 if (rval != QLA_SUCCESS) { 1269 qla_printk(KERN_WARNING, ha, 1270 "ERROR -- Unable to get host loop ID.\n"); 1271 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 1272 return (rval); 1273 } 1274 1275 if (topo == 4) { 1276 qla_printk(KERN_INFO, ha, 1277 "Cannot get topology - retrying.\n"); 1278 return (QLA_FUNCTION_FAILED); 1279 } 1280 1281 ha->loop_id = loop_id; 1282 1283 /* initialize */ 1284 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 1285 ha->operating_mode = LOOP; 1286 1287 switch (topo) { 1288 case 0: 1289 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", 1290 ha->host_no)); 1291 ha->current_topology = ISP_CFG_NL; 1292 strcpy(connect_type, "(Loop)"); 1293 break; 1294 1295 case 1: 1296 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", 1297 ha->host_no)); 1298 ha->current_topology = ISP_CFG_FL; 1299 strcpy(connect_type, "(FL_Port)"); 1300 break; 1301 1302 case 2: 1303 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", 1304 ha->host_no)); 1305 ha->operating_mode = P2P; 1306 ha->current_topology = ISP_CFG_N; 1307 strcpy(connect_type, "(N_Port-to-N_Port)"); 1308 break; 1309 1310 case 3: 1311 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", 1312 ha->host_no)); 1313 ha->operating_mode = P2P; 1314 ha->current_topology = ISP_CFG_F; 1315 strcpy(connect_type, "(F_Port)"); 1316 break; 1317 1318 default: 1319 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " 1320 "Using NL.\n", 1321 ha->host_no, topo)); 1322 ha->current_topology = ISP_CFG_NL; 1323 strcpy(connect_type, "(Loop)"); 1324 break; 1325 } 1326 1327 /* Save Host port and loop ID. */ 1328 /* byte order - Big Endian */ 1329 ha->d_id.b.domain = domain; 1330 ha->d_id.b.area = area; 1331 ha->d_id.b.al_pa = al_pa; 1332 1333 if (!ha->flags.init_done) 1334 qla_printk(KERN_INFO, ha, 1335 "Topology - %s, Host Loop address 0x%x\n", 1336 connect_type, ha->loop_id); 1337 1338 if (rval) { 1339 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); 1340 } else { 1341 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); 1342 } 1343 1344 return(rval); 1345 } 1346 1347 /* 1348 * NVRAM configuration for ISP 2xxx 1349 * 1350 * Input: 1351 * ha = adapter block pointer. 1352 * 1353 * Output: 1354 * initialization control block in response_ring 1355 * host adapters parameters in host adapter block 1356 * 1357 * Returns: 1358 * 0 = success. 1359 */ 1360 int 1361 qla2x00_nvram_config(scsi_qla_host_t *ha) 1362 { 1363 int rval; 1364 uint8_t chksum = 0; 1365 uint16_t cnt; 1366 uint8_t *dptr1, *dptr2; 1367 init_cb_t *icb = ha->init_cb; 1368 nvram_t *nv = (nvram_t *)ha->request_ring; 1369 uint8_t *ptr = (uint8_t *)ha->request_ring; 1370 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1371 uint8_t timer_mode; 1372 1373 rval = QLA_SUCCESS; 1374 1375 /* Determine NVRAM starting address. */ 1376 ha->nvram_size = sizeof(nvram_t); 1377 ha->nvram_base = 0; 1378 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 1379 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) 1380 ha->nvram_base = 0x80; 1381 1382 /* Get NVRAM data and calculate checksum. */ 1383 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size); 1384 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 1385 chksum += *ptr++; 1386 1387 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 1388 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, 1389 ha->nvram_size)); 1390 1391 /* Bad NVRAM data, set defaults parameters. */ 1392 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || 1393 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { 1394 /* Reset NVRAM data. */ 1395 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 1396 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 1397 nv->nvram_version); 1398 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 1399 "invalid -- WWPN) defaults.\n"); 1400 1401 /* 1402 * Set default initialization control block. 1403 */ 1404 memset(nv, 0, ha->nvram_size); 1405 nv->parameter_block_version = ICB_VERSION; 1406 1407 if (IS_QLA23XX(ha)) { 1408 nv->firmware_options[0] = BIT_2 | BIT_1; 1409 nv->firmware_options[1] = BIT_7 | BIT_5; 1410 nv->add_firmware_options[0] = BIT_5; 1411 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1412 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1413 nv->special_options[1] = BIT_7; 1414 } else if (IS_QLA2200(ha)) { 1415 nv->firmware_options[0] = BIT_2 | BIT_1; 1416 nv->firmware_options[1] = BIT_7 | BIT_5; 1417 nv->add_firmware_options[0] = BIT_5; 1418 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1419 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1420 } else if (IS_QLA2100(ha)) { 1421 nv->firmware_options[0] = BIT_3 | BIT_1; 1422 nv->firmware_options[1] = BIT_5; 1423 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1424 } 1425 1426 nv->max_iocb_allocation = __constant_cpu_to_le16(256); 1427 nv->execution_throttle = __constant_cpu_to_le16(16); 1428 nv->retry_count = 8; 1429 nv->retry_delay = 1; 1430 1431 nv->port_name[0] = 33; 1432 nv->port_name[3] = 224; 1433 nv->port_name[4] = 139; 1434 1435 nv->login_timeout = 4; 1436 1437 /* 1438 * Set default host adapter parameters 1439 */ 1440 nv->host_p[1] = BIT_2; 1441 nv->reset_delay = 5; 1442 nv->port_down_retry_count = 8; 1443 nv->max_luns_per_target = __constant_cpu_to_le16(8); 1444 nv->link_down_timeout = 60; 1445 1446 rval = 1; 1447 } 1448 1449 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) 1450 /* 1451 * The SN2 does not provide BIOS emulation which means you can't change 1452 * potentially bogus BIOS settings. Force the use of default settings 1453 * for link rate and frame size. Hope that the rest of the settings 1454 * are valid. 1455 */ 1456 if (ia64_platform_is("sn2")) { 1457 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1458 if (IS_QLA23XX(ha)) 1459 nv->special_options[1] = BIT_7; 1460 } 1461 #endif 1462 1463 /* Reset Initialization control block */ 1464 memset(icb, 0, ha->init_cb_size); 1465 1466 /* 1467 * Setup driver NVRAM options. 1468 */ 1469 nv->firmware_options[0] |= (BIT_6 | BIT_1); 1470 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 1471 nv->firmware_options[1] |= (BIT_5 | BIT_0); 1472 nv->firmware_options[1] &= ~BIT_4; 1473 1474 if (IS_QLA23XX(ha)) { 1475 nv->firmware_options[0] |= BIT_2; 1476 nv->firmware_options[0] &= ~BIT_3; 1477 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 1478 1479 if (IS_QLA2300(ha)) { 1480 if (ha->fb_rev == FPM_2310) { 1481 strcpy(ha->model_number, "QLA2310"); 1482 } else { 1483 strcpy(ha->model_number, "QLA2300"); 1484 } 1485 } else { 1486 if (rval == 0 && 1487 memcmp(nv->model_number, BINZERO, 1488 sizeof(nv->model_number)) != 0) { 1489 char *st, *en; 1490 1491 strncpy(ha->model_number, nv->model_number, 1492 sizeof(nv->model_number)); 1493 st = en = ha->model_number; 1494 en += sizeof(nv->model_number) - 1; 1495 while (en > st) { 1496 if (*en != 0x20 && *en != 0x00) 1497 break; 1498 *en-- = '\0'; 1499 } 1500 } else { 1501 uint16_t index; 1502 1503 index = (ha->pdev->subsystem_device & 0xff); 1504 if (index < QLA_MODEL_NAMES) { 1505 strcpy(ha->model_number, 1506 qla2x00_model_name[index]); 1507 ha->model_desc = 1508 qla2x00_model_desc[index]; 1509 } else { 1510 strcpy(ha->model_number, "QLA23xx"); 1511 } 1512 } 1513 } 1514 } else if (IS_QLA2200(ha)) { 1515 nv->firmware_options[0] |= BIT_2; 1516 /* 1517 * 'Point-to-point preferred, else loop' is not a safe 1518 * connection mode setting. 1519 */ 1520 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 1521 (BIT_5 | BIT_4)) { 1522 /* Force 'loop preferred, else point-to-point'. */ 1523 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 1524 nv->add_firmware_options[0] |= BIT_5; 1525 } 1526 strcpy(ha->model_number, "QLA22xx"); 1527 } else /*if (IS_QLA2100(ha))*/ { 1528 strcpy(ha->model_number, "QLA2100"); 1529 } 1530 1531 /* 1532 * Copy over NVRAM RISC parameter block to initialization control block. 1533 */ 1534 dptr1 = (uint8_t *)icb; 1535 dptr2 = (uint8_t *)&nv->parameter_block_version; 1536 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 1537 while (cnt--) 1538 *dptr1++ = *dptr2++; 1539 1540 /* Copy 2nd half. */ 1541 dptr1 = (uint8_t *)icb->add_firmware_options; 1542 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 1543 while (cnt--) 1544 *dptr1++ = *dptr2++; 1545 1546 /* Prepare nodename */ 1547 if ((icb->firmware_options[1] & BIT_6) == 0) { 1548 /* 1549 * Firmware will apply the following mask if the nodename was 1550 * not provided. 1551 */ 1552 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 1553 icb->node_name[0] &= 0xF0; 1554 } 1555 1556 /* 1557 * Set host adapter parameters. 1558 */ 1559 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 1560 /* Always load RISC code on non ISP2[12]00 chips. */ 1561 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 1562 ha->flags.disable_risc_code_load = 0; 1563 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 1564 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 1565 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 1566 ha->flags.enable_led_scheme = ((nv->efi_parameters & BIT_3) ? 1 : 0); 1567 1568 ha->operating_mode = 1569 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 1570 1571 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 1572 sizeof(ha->fw_seriallink_options)); 1573 1574 /* save HBA serial number */ 1575 ha->serial0 = icb->port_name[5]; 1576 ha->serial1 = icb->port_name[6]; 1577 ha->serial2 = icb->port_name[7]; 1578 ha->node_name = icb->node_name; 1579 ha->port_name = icb->port_name; 1580 1581 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 1582 1583 ha->retry_count = nv->retry_count; 1584 1585 /* Set minimum login_timeout to 4 seconds. */ 1586 if (nv->login_timeout < ql2xlogintimeout) 1587 nv->login_timeout = ql2xlogintimeout; 1588 if (nv->login_timeout < 4) 1589 nv->login_timeout = 4; 1590 ha->login_timeout = nv->login_timeout; 1591 icb->login_timeout = nv->login_timeout; 1592 1593 /* Set minimum RATOV to 200 tenths of a second. */ 1594 ha->r_a_tov = 200; 1595 1596 ha->loop_reset_delay = nv->reset_delay; 1597 1598 /* Link Down Timeout = 0: 1599 * 1600 * When Port Down timer expires we will start returning 1601 * I/O's to OS with "DID_NO_CONNECT". 1602 * 1603 * Link Down Timeout != 0: 1604 * 1605 * The driver waits for the link to come up after link down 1606 * before returning I/Os to OS with "DID_NO_CONNECT". 1607 */ 1608 if (nv->link_down_timeout == 0) { 1609 ha->loop_down_abort_time = 1610 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 1611 } else { 1612 ha->link_down_timeout = nv->link_down_timeout; 1613 ha->loop_down_abort_time = 1614 (LOOP_DOWN_TIME - ha->link_down_timeout); 1615 } 1616 1617 /* 1618 * Need enough time to try and get the port back. 1619 */ 1620 ha->port_down_retry_count = nv->port_down_retry_count; 1621 if (qlport_down_retry) 1622 ha->port_down_retry_count = qlport_down_retry; 1623 /* Set login_retry_count */ 1624 ha->login_retry_count = nv->retry_count; 1625 if (ha->port_down_retry_count == nv->port_down_retry_count && 1626 ha->port_down_retry_count > 3) 1627 ha->login_retry_count = ha->port_down_retry_count; 1628 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 1629 ha->login_retry_count = ha->port_down_retry_count; 1630 if (ql2xloginretrycount) 1631 ha->login_retry_count = ql2xloginretrycount; 1632 1633 icb->lun_enables = __constant_cpu_to_le16(0); 1634 icb->command_resource_count = 0; 1635 icb->immediate_notify_resource_count = 0; 1636 icb->timeout = __constant_cpu_to_le16(0); 1637 1638 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 1639 /* Enable RIO */ 1640 icb->firmware_options[0] &= ~BIT_3; 1641 icb->add_firmware_options[0] &= 1642 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1643 icb->add_firmware_options[0] |= BIT_2; 1644 icb->response_accumulation_timer = 3; 1645 icb->interrupt_delay_timer = 5; 1646 1647 ha->flags.process_response_queue = 1; 1648 } else { 1649 /* Enable ZIO -- Support mode 5 only. */ 1650 timer_mode = icb->add_firmware_options[0] & 1651 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1652 icb->add_firmware_options[0] &= 1653 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1654 if (ql2xenablezio) 1655 timer_mode = BIT_2 | BIT_0; 1656 if (timer_mode == (BIT_2 | BIT_0)) { 1657 DEBUG2(printk("scsi(%ld): ZIO enabled; timer delay " 1658 "(%d).\n", ha->host_no, ql2xintrdelaytimer)); 1659 qla_printk(KERN_INFO, ha, 1660 "ZIO enabled; timer delay (%d).\n", 1661 ql2xintrdelaytimer); 1662 1663 icb->add_firmware_options[0] |= timer_mode; 1664 icb->interrupt_delay_timer = ql2xintrdelaytimer; 1665 ha->flags.process_response_queue = 1; 1666 } 1667 } 1668 1669 if (rval) { 1670 DEBUG2_3(printk(KERN_WARNING 1671 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 1672 } 1673 return (rval); 1674 } 1675 1676 /** 1677 * qla2x00_alloc_fcport() - Allocate a generic fcport. 1678 * @ha: HA context 1679 * @flags: allocation flags 1680 * 1681 * Returns a pointer to the allocated fcport, or NULL, if none available. 1682 */ 1683 fc_port_t * 1684 qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags) 1685 { 1686 fc_port_t *fcport; 1687 1688 fcport = kmalloc(sizeof(fc_port_t), flags); 1689 if (fcport == NULL) 1690 return (fcport); 1691 1692 /* Setup fcport template structure. */ 1693 memset(fcport, 0, sizeof (fc_port_t)); 1694 fcport->ha = ha; 1695 fcport->port_type = FCT_UNKNOWN; 1696 fcport->loop_id = FC_NO_LOOP_ID; 1697 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX; 1698 atomic_set(&fcport->state, FCS_UNCONFIGURED); 1699 fcport->flags = FCF_RLC_SUPPORT; 1700 1701 return (fcport); 1702 } 1703 1704 /* 1705 * qla2x00_configure_loop 1706 * Updates Fibre Channel Device Database with what is actually on loop. 1707 * 1708 * Input: 1709 * ha = adapter block pointer. 1710 * 1711 * Returns: 1712 * 0 = success. 1713 * 1 = error. 1714 * 2 = database was full and device was not configured. 1715 */ 1716 static int 1717 qla2x00_configure_loop(scsi_qla_host_t *ha) 1718 { 1719 int rval; 1720 unsigned long flags, save_flags; 1721 1722 rval = QLA_SUCCESS; 1723 1724 /* Get Initiator ID */ 1725 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { 1726 rval = qla2x00_configure_hba(ha); 1727 if (rval != QLA_SUCCESS) { 1728 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", 1729 ha->host_no)); 1730 return (rval); 1731 } 1732 } 1733 1734 save_flags = flags = ha->dpc_flags; 1735 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", 1736 ha->host_no, flags)); 1737 1738 /* 1739 * If we have both an RSCN and PORT UPDATE pending then handle them 1740 * both at the same time. 1741 */ 1742 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1743 clear_bit(RSCN_UPDATE, &ha->dpc_flags); 1744 1745 /* Determine what we need to do */ 1746 if (ha->current_topology == ISP_CFG_FL && 1747 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1748 1749 ha->flags.rscn_queue_overflow = 1; 1750 set_bit(RSCN_UPDATE, &flags); 1751 1752 } else if (ha->current_topology == ISP_CFG_F && 1753 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1754 1755 ha->flags.rscn_queue_overflow = 1; 1756 set_bit(RSCN_UPDATE, &flags); 1757 clear_bit(LOCAL_LOOP_UPDATE, &flags); 1758 1759 } else if (!ha->flags.online || 1760 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 1761 1762 ha->flags.rscn_queue_overflow = 1; 1763 set_bit(RSCN_UPDATE, &flags); 1764 set_bit(LOCAL_LOOP_UPDATE, &flags); 1765 } 1766 1767 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 1768 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1769 rval = QLA_FUNCTION_FAILED; 1770 } else { 1771 rval = qla2x00_configure_local_loop(ha); 1772 } 1773 } 1774 1775 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 1776 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1777 rval = QLA_FUNCTION_FAILED; 1778 } else { 1779 rval = qla2x00_configure_fabric(ha); 1780 } 1781 } 1782 1783 if (rval == QLA_SUCCESS) { 1784 if (atomic_read(&ha->loop_down_timer) || 1785 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1786 rval = QLA_FUNCTION_FAILED; 1787 } else { 1788 atomic_set(&ha->loop_state, LOOP_READY); 1789 1790 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); 1791 } 1792 } 1793 1794 if (rval) { 1795 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", 1796 __func__, ha->host_no)); 1797 } else { 1798 DEBUG3(printk("%s: exiting normally\n", __func__)); 1799 } 1800 1801 /* Restore state if a resync event occured during processing */ 1802 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1803 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 1804 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1805 if (test_bit(RSCN_UPDATE, &save_flags)) 1806 set_bit(RSCN_UPDATE, &ha->dpc_flags); 1807 } 1808 1809 return (rval); 1810 } 1811 1812 1813 1814 /* 1815 * qla2x00_configure_local_loop 1816 * Updates Fibre Channel Device Database with local loop devices. 1817 * 1818 * Input: 1819 * ha = adapter block pointer. 1820 * 1821 * Returns: 1822 * 0 = success. 1823 */ 1824 static int 1825 qla2x00_configure_local_loop(scsi_qla_host_t *ha) 1826 { 1827 int rval, rval2; 1828 int found_devs; 1829 int found; 1830 fc_port_t *fcport, *new_fcport; 1831 1832 uint16_t index; 1833 uint16_t entries; 1834 char *id_iter; 1835 uint16_t loop_id; 1836 uint8_t domain, area, al_pa; 1837 1838 found_devs = 0; 1839 new_fcport = NULL; 1840 entries = MAX_FIBRE_DEVICES; 1841 1842 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); 1843 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); 1844 1845 /* Get list of logged in devices. */ 1846 memset(ha->gid_list, 0, GID_LIST_SIZE); 1847 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, 1848 &entries); 1849 if (rval != QLA_SUCCESS) 1850 goto cleanup_allocation; 1851 1852 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", 1853 ha->host_no, entries)); 1854 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, 1855 entries * sizeof(struct gid_list_info))); 1856 1857 /* Allocate temporary fcport for any new fcports discovered. */ 1858 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 1859 if (new_fcport == NULL) { 1860 rval = QLA_MEMORY_ALLOC_FAILED; 1861 goto cleanup_allocation; 1862 } 1863 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 1864 1865 /* 1866 * Mark local devices that were present with FCF_DEVICE_LOST for now. 1867 */ 1868 list_for_each_entry(fcport, &ha->fcports, list) { 1869 if (atomic_read(&fcport->state) == FCS_ONLINE && 1870 fcport->port_type != FCT_BROADCAST && 1871 (fcport->flags & FCF_FABRIC_DEVICE) == 0) { 1872 1873 DEBUG(printk("scsi(%ld): Marking port lost, " 1874 "loop_id=0x%04x\n", 1875 ha->host_no, fcport->loop_id)); 1876 1877 atomic_set(&fcport->state, FCS_DEVICE_LOST); 1878 fcport->flags &= ~FCF_FARP_DONE; 1879 } 1880 } 1881 1882 /* Add devices to port list. */ 1883 id_iter = (char *)ha->gid_list; 1884 for (index = 0; index < entries; index++) { 1885 domain = ((struct gid_list_info *)id_iter)->domain; 1886 area = ((struct gid_list_info *)id_iter)->area; 1887 al_pa = ((struct gid_list_info *)id_iter)->al_pa; 1888 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1889 loop_id = (uint16_t) 1890 ((struct gid_list_info *)id_iter)->loop_id_2100; 1891 else 1892 loop_id = le16_to_cpu( 1893 ((struct gid_list_info *)id_iter)->loop_id); 1894 id_iter += ha->gid_list_info_size; 1895 1896 /* Bypass reserved domain fields. */ 1897 if ((domain & 0xf0) == 0xf0) 1898 continue; 1899 1900 /* Bypass if not same domain and area of adapter. */ 1901 if (area != ha->d_id.b.area || domain != ha->d_id.b.domain) 1902 continue; 1903 1904 /* Bypass invalid local loop ID. */ 1905 if (loop_id > LAST_LOCAL_LOOP_ID) 1906 continue; 1907 1908 /* Fill in member data. */ 1909 new_fcport->d_id.b.domain = domain; 1910 new_fcport->d_id.b.area = area; 1911 new_fcport->d_id.b.al_pa = al_pa; 1912 new_fcport->loop_id = loop_id; 1913 rval2 = qla2x00_get_port_database(ha, new_fcport, 0); 1914 if (rval2 != QLA_SUCCESS) { 1915 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " 1916 "information -- get_port_database=%x, " 1917 "loop_id=0x%04x\n", 1918 ha->host_no, rval2, new_fcport->loop_id)); 1919 continue; 1920 } 1921 1922 /* Check for matching device in port list. */ 1923 found = 0; 1924 fcport = NULL; 1925 list_for_each_entry(fcport, &ha->fcports, list) { 1926 if (memcmp(new_fcport->port_name, fcport->port_name, 1927 WWN_SIZE)) 1928 continue; 1929 1930 fcport->flags &= ~(FCF_FABRIC_DEVICE | 1931 FCF_PERSISTENT_BOUND); 1932 fcport->loop_id = new_fcport->loop_id; 1933 fcport->port_type = new_fcport->port_type; 1934 fcport->d_id.b24 = new_fcport->d_id.b24; 1935 memcpy(fcport->node_name, new_fcport->node_name, 1936 WWN_SIZE); 1937 1938 found++; 1939 break; 1940 } 1941 1942 if (!found) { 1943 /* New device, add to fcports list. */ 1944 new_fcport->flags &= ~FCF_PERSISTENT_BOUND; 1945 list_add_tail(&new_fcport->list, &ha->fcports); 1946 1947 /* Allocate a new replacement fcport. */ 1948 fcport = new_fcport; 1949 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 1950 if (new_fcport == NULL) { 1951 rval = QLA_MEMORY_ALLOC_FAILED; 1952 goto cleanup_allocation; 1953 } 1954 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 1955 } 1956 1957 qla2x00_update_fcport(ha, fcport); 1958 1959 found_devs++; 1960 } 1961 1962 cleanup_allocation: 1963 if (new_fcport) 1964 kfree(new_fcport); 1965 1966 if (rval != QLA_SUCCESS) { 1967 DEBUG2(printk("scsi(%ld): Configure local loop error exit: " 1968 "rval=%x\n", ha->host_no, rval)); 1969 } 1970 1971 if (found_devs) { 1972 ha->device_flags |= DFLG_LOCAL_DEVICES; 1973 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; 1974 } 1975 1976 return (rval); 1977 } 1978 1979 static void 1980 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) 1981 { 1982 fc_port_t *fcport; 1983 1984 qla2x00_mark_all_devices_lost(ha); 1985 list_for_each_entry(fcport, &ha->fcports, list) { 1986 if (fcport->port_type != FCT_TARGET) 1987 continue; 1988 1989 qla2x00_update_fcport(ha, fcport); 1990 } 1991 } 1992 1993 /* 1994 * qla2x00_update_fcport 1995 * Updates device on list. 1996 * 1997 * Input: 1998 * ha = adapter block pointer. 1999 * fcport = port structure pointer. 2000 * 2001 * Return: 2002 * 0 - Success 2003 * BIT_0 - error 2004 * 2005 * Context: 2006 * Kernel context. 2007 */ 2008 static void 2009 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2010 { 2011 uint16_t index; 2012 unsigned long flags; 2013 srb_t *sp; 2014 2015 fcport->ha = ha; 2016 fcport->login_retry = 0; 2017 fcport->port_login_retry_count = ha->port_down_retry_count * 2018 PORT_RETRY_TIME; 2019 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count * 2020 PORT_RETRY_TIME); 2021 fcport->flags &= ~FCF_LOGIN_NEEDED; 2022 2023 /* 2024 * Check for outstanding cmd on tape Bypass LUN discovery if active 2025 * command on tape. 2026 */ 2027 if (fcport->flags & FCF_TAPE_PRESENT) { 2028 spin_lock_irqsave(&ha->hardware_lock, flags); 2029 for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { 2030 fc_port_t *sfcp; 2031 2032 if ((sp = ha->outstanding_cmds[index]) != 0) { 2033 sfcp = sp->fcport; 2034 if (sfcp == fcport) { 2035 atomic_set(&fcport->state, FCS_ONLINE); 2036 spin_unlock_irqrestore( 2037 &ha->hardware_lock, flags); 2038 return; 2039 } 2040 } 2041 } 2042 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2043 } 2044 2045 if (fcport->port_type == FCT_INITIATOR || 2046 fcport->port_type == FCT_BROADCAST) 2047 fcport->device_type = TYPE_PROCESSOR; 2048 2049 atomic_set(&fcport->state, FCS_ONLINE); 2050 2051 if (ha->flags.init_done) 2052 qla2x00_reg_remote_port(ha, fcport); 2053 } 2054 2055 void 2056 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 2057 { 2058 struct fc_rport_identifiers rport_ids; 2059 struct fc_rport *rport; 2060 2061 if (fcport->rport) { 2062 fc_remote_port_unblock(fcport->rport); 2063 return; 2064 } 2065 2066 rport_ids.node_name = be64_to_cpu(*(uint64_t *)fcport->node_name); 2067 rport_ids.port_name = be64_to_cpu(*(uint64_t *)fcport->port_name); 2068 rport_ids.port_id = fcport->d_id.b.domain << 16 | 2069 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 2070 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2071 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids); 2072 if (!rport) { 2073 qla_printk(KERN_WARNING, ha, 2074 "Unable to allocate fc remote port!\n"); 2075 return; 2076 } 2077 rport->dd_data = fcport; 2078 2079 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2080 if (fcport->port_type == FCT_INITIATOR) 2081 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; 2082 if (fcport->port_type == FCT_TARGET) 2083 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 2084 fc_remote_port_rolechg(rport, rport_ids.roles); 2085 2086 if (rport->scsi_target_id != -1 && 2087 rport->scsi_target_id < ha->host->max_id) 2088 fcport->os_target_id = rport->scsi_target_id; 2089 } 2090 2091 /* 2092 * qla2x00_configure_fabric 2093 * Setup SNS devices with loop ID's. 2094 * 2095 * Input: 2096 * ha = adapter block pointer. 2097 * 2098 * Returns: 2099 * 0 = success. 2100 * BIT_0 = error 2101 */ 2102 static int 2103 qla2x00_configure_fabric(scsi_qla_host_t *ha) 2104 { 2105 int rval, rval2; 2106 fc_port_t *fcport, *fcptemp; 2107 uint16_t next_loopid; 2108 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2109 uint16_t loop_id; 2110 LIST_HEAD(new_fcports); 2111 2112 /* If FL port exists, then SNS is present */ 2113 if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) 2114 loop_id = NPH_F_PORT; 2115 else 2116 loop_id = SNS_FL_PORT; 2117 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0); 2118 if (rval != QLA_SUCCESS) { 2119 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " 2120 "Port\n", ha->host_no)); 2121 2122 ha->device_flags &= ~SWITCH_FOUND; 2123 return (QLA_SUCCESS); 2124 } 2125 2126 /* Mark devices that need re-synchronization. */ 2127 rval2 = qla2x00_device_resync(ha); 2128 if (rval2 == QLA_RSCNS_HANDLED) { 2129 /* No point doing the scan, just continue. */ 2130 return (QLA_SUCCESS); 2131 } 2132 do { 2133 /* Ensure we are logged into the SNS. */ 2134 if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) 2135 loop_id = NPH_SNS; 2136 else 2137 loop_id = SIMPLE_NAME_SERVER; 2138 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff, 2139 0xfc, mb, BIT_1 | BIT_0); 2140 if (mb[0] != MBS_COMMAND_COMPLETE) { 2141 DEBUG2(qla_printk(KERN_INFO, ha, 2142 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 2143 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, 2144 mb[0], mb[1], mb[2], mb[6], mb[7])); 2145 return (QLA_SUCCESS); 2146 } 2147 2148 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { 2149 if (qla2x00_rft_id(ha)) { 2150 /* EMPTY */ 2151 DEBUG2(printk("scsi(%ld): Register FC-4 " 2152 "TYPE failed.\n", ha->host_no)); 2153 } 2154 if (qla2x00_rff_id(ha)) { 2155 /* EMPTY */ 2156 DEBUG2(printk("scsi(%ld): Register FC-4 " 2157 "Features failed.\n", ha->host_no)); 2158 } 2159 if (qla2x00_rnn_id(ha)) { 2160 /* EMPTY */ 2161 DEBUG2(printk("scsi(%ld): Register Node Name " 2162 "failed.\n", ha->host_no)); 2163 } else if (qla2x00_rsnn_nn(ha)) { 2164 /* EMPTY */ 2165 DEBUG2(printk("scsi(%ld): Register Symbolic " 2166 "Node Name failed.\n", ha->host_no)); 2167 } 2168 } 2169 2170 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); 2171 if (rval != QLA_SUCCESS) 2172 break; 2173 2174 /* 2175 * Logout all previous fabric devices marked lost, except 2176 * tape devices. 2177 */ 2178 list_for_each_entry(fcport, &ha->fcports, list) { 2179 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2180 break; 2181 2182 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 2183 continue; 2184 2185 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 2186 qla2x00_mark_device_lost(ha, fcport, 2187 ql2xplogiabsentdevice); 2188 if (fcport->loop_id != FC_NO_LOOP_ID && 2189 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2190 fcport->port_type != FCT_INITIATOR && 2191 fcport->port_type != FCT_BROADCAST) { 2192 2193 ha->isp_ops.fabric_logout(ha, 2194 fcport->loop_id, 2195 fcport->d_id.b.domain, 2196 fcport->d_id.b.area, 2197 fcport->d_id.b.al_pa); 2198 fcport->loop_id = FC_NO_LOOP_ID; 2199 } 2200 } 2201 } 2202 2203 /* Starting free loop ID. */ 2204 next_loopid = ha->min_external_loopid; 2205 2206 /* 2207 * Scan through our port list and login entries that need to be 2208 * logged in. 2209 */ 2210 list_for_each_entry(fcport, &ha->fcports, list) { 2211 if (atomic_read(&ha->loop_down_timer) || 2212 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2213 break; 2214 2215 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2216 (fcport->flags & FCF_LOGIN_NEEDED) == 0) 2217 continue; 2218 2219 if (fcport->loop_id == FC_NO_LOOP_ID) { 2220 fcport->loop_id = next_loopid; 2221 rval = qla2x00_find_new_loop_id(ha, fcport); 2222 if (rval != QLA_SUCCESS) { 2223 /* Ran out of IDs to use */ 2224 break; 2225 } 2226 } 2227 /* Login and update database */ 2228 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2229 } 2230 2231 /* Exit if out of loop IDs. */ 2232 if (rval != QLA_SUCCESS) { 2233 break; 2234 } 2235 2236 /* 2237 * Login and add the new devices to our port list. 2238 */ 2239 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2240 if (atomic_read(&ha->loop_down_timer) || 2241 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2242 break; 2243 2244 /* Find a new loop ID to use. */ 2245 fcport->loop_id = next_loopid; 2246 rval = qla2x00_find_new_loop_id(ha, fcport); 2247 if (rval != QLA_SUCCESS) { 2248 /* Ran out of IDs to use */ 2249 break; 2250 } 2251 2252 /* Remove device from the new list and add it to DB */ 2253 list_del(&fcport->list); 2254 list_add_tail(&fcport->list, &ha->fcports); 2255 2256 /* Login and update database */ 2257 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2258 } 2259 } while (0); 2260 2261 /* Free all new device structures not processed. */ 2262 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2263 list_del(&fcport->list); 2264 kfree(fcport); 2265 } 2266 2267 if (rval) { 2268 DEBUG2(printk("scsi(%ld): Configure fabric error exit: " 2269 "rval=%d\n", ha->host_no, rval)); 2270 } 2271 2272 return (rval); 2273 } 2274 2275 2276 /* 2277 * qla2x00_find_all_fabric_devs 2278 * 2279 * Input: 2280 * ha = adapter block pointer. 2281 * dev = database device entry pointer. 2282 * 2283 * Returns: 2284 * 0 = success. 2285 * 2286 * Context: 2287 * Kernel context. 2288 */ 2289 static int 2290 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) 2291 { 2292 int rval; 2293 uint16_t loop_id; 2294 fc_port_t *fcport, *new_fcport, *fcptemp; 2295 int found; 2296 2297 sw_info_t *swl; 2298 int swl_idx; 2299 int first_dev, last_dev; 2300 port_id_t wrap, nxt_d_id; 2301 2302 rval = QLA_SUCCESS; 2303 2304 /* Try GID_PT to get device list, else GAN. */ 2305 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC); 2306 if (swl == NULL) { 2307 /*EMPTY*/ 2308 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2309 "on GA_NXT\n", ha->host_no)); 2310 } else { 2311 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES); 2312 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { 2313 kfree(swl); 2314 swl = NULL; 2315 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { 2316 kfree(swl); 2317 swl = NULL; 2318 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { 2319 kfree(swl); 2320 swl = NULL; 2321 } 2322 } 2323 swl_idx = 0; 2324 2325 /* Allocate temporary fcport for any new fcports discovered. */ 2326 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2327 if (new_fcport == NULL) { 2328 if (swl) 2329 kfree(swl); 2330 return (QLA_MEMORY_ALLOC_FAILED); 2331 } 2332 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2333 2334 /* Set start port ID scan at adapter ID. */ 2335 first_dev = 1; 2336 last_dev = 0; 2337 2338 /* Starting free loop ID. */ 2339 loop_id = ha->min_external_loopid; 2340 for (; loop_id <= ha->last_loop_id; loop_id++) { 2341 if (qla2x00_is_reserved_id(ha, loop_id)) 2342 continue; 2343 2344 if (atomic_read(&ha->loop_down_timer) || 2345 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2346 break; 2347 2348 if (swl != NULL) { 2349 if (last_dev) { 2350 wrap.b24 = new_fcport->d_id.b24; 2351 } else { 2352 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 2353 memcpy(new_fcport->node_name, 2354 swl[swl_idx].node_name, WWN_SIZE); 2355 memcpy(new_fcport->port_name, 2356 swl[swl_idx].port_name, WWN_SIZE); 2357 2358 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 2359 last_dev = 1; 2360 } 2361 swl_idx++; 2362 } 2363 } else { 2364 /* Send GA_NXT to the switch */ 2365 rval = qla2x00_ga_nxt(ha, new_fcport); 2366 if (rval != QLA_SUCCESS) { 2367 qla_printk(KERN_WARNING, ha, 2368 "SNS scan failed -- assuming zero-entry " 2369 "result...\n"); 2370 list_for_each_entry_safe(fcport, fcptemp, 2371 new_fcports, list) { 2372 list_del(&fcport->list); 2373 kfree(fcport); 2374 } 2375 rval = QLA_SUCCESS; 2376 break; 2377 } 2378 } 2379 2380 /* If wrap on switch device list, exit. */ 2381 if (first_dev) { 2382 wrap.b24 = new_fcport->d_id.b24; 2383 first_dev = 0; 2384 } else if (new_fcport->d_id.b24 == wrap.b24) { 2385 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", 2386 ha->host_no, new_fcport->d_id.b.domain, 2387 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); 2388 break; 2389 } 2390 2391 /* Bypass if host adapter. */ 2392 if (new_fcport->d_id.b24 == ha->d_id.b24) 2393 continue; 2394 2395 /* Bypass reserved domain fields. */ 2396 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 2397 continue; 2398 2399 /* Locate matching device in database. */ 2400 found = 0; 2401 list_for_each_entry(fcport, &ha->fcports, list) { 2402 if (memcmp(new_fcport->port_name, fcport->port_name, 2403 WWN_SIZE)) 2404 continue; 2405 2406 found++; 2407 2408 /* 2409 * If address the same and state FCS_ONLINE, nothing 2410 * changed. 2411 */ 2412 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 2413 atomic_read(&fcport->state) == FCS_ONLINE) { 2414 break; 2415 } 2416 2417 /* 2418 * If device was not a fabric device before. 2419 */ 2420 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2421 fcport->d_id.b24 = new_fcport->d_id.b24; 2422 fcport->loop_id = FC_NO_LOOP_ID; 2423 fcport->flags |= (FCF_FABRIC_DEVICE | 2424 FCF_LOGIN_NEEDED); 2425 fcport->flags &= ~FCF_PERSISTENT_BOUND; 2426 break; 2427 } 2428 2429 /* 2430 * Port ID changed or device was marked to be updated; 2431 * Log it out if still logged in and mark it for 2432 * relogin later. 2433 */ 2434 fcport->d_id.b24 = new_fcport->d_id.b24; 2435 fcport->flags |= FCF_LOGIN_NEEDED; 2436 if (fcport->loop_id != FC_NO_LOOP_ID && 2437 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2438 fcport->port_type != FCT_INITIATOR && 2439 fcport->port_type != FCT_BROADCAST) { 2440 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2441 fcport->d_id.b.domain, fcport->d_id.b.area, 2442 fcport->d_id.b.al_pa); 2443 fcport->loop_id = FC_NO_LOOP_ID; 2444 } 2445 2446 break; 2447 } 2448 2449 if (found) 2450 continue; 2451 2452 /* If device was not in our fcports list, then add it. */ 2453 list_add_tail(&new_fcport->list, new_fcports); 2454 2455 /* Allocate a new replacement fcport. */ 2456 nxt_d_id.b24 = new_fcport->d_id.b24; 2457 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2458 if (new_fcport == NULL) { 2459 if (swl) 2460 kfree(swl); 2461 return (QLA_MEMORY_ALLOC_FAILED); 2462 } 2463 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2464 new_fcport->d_id.b24 = nxt_d_id.b24; 2465 } 2466 2467 if (swl) 2468 kfree(swl); 2469 2470 if (new_fcport) 2471 kfree(new_fcport); 2472 2473 if (!list_empty(new_fcports)) 2474 ha->device_flags |= DFLG_FABRIC_DEVICES; 2475 2476 return (rval); 2477 } 2478 2479 /* 2480 * qla2x00_find_new_loop_id 2481 * Scan through our port list and find a new usable loop ID. 2482 * 2483 * Input: 2484 * ha: adapter state pointer. 2485 * dev: port structure pointer. 2486 * 2487 * Returns: 2488 * qla2x00 local function return status code. 2489 * 2490 * Context: 2491 * Kernel context. 2492 */ 2493 int 2494 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) 2495 { 2496 int rval; 2497 int found; 2498 fc_port_t *fcport; 2499 uint16_t first_loop_id; 2500 2501 rval = QLA_SUCCESS; 2502 2503 /* Save starting loop ID. */ 2504 first_loop_id = dev->loop_id; 2505 2506 for (;;) { 2507 /* Skip loop ID if already used by adapter. */ 2508 if (dev->loop_id == ha->loop_id) { 2509 dev->loop_id++; 2510 } 2511 2512 /* Skip reserved loop IDs. */ 2513 while (qla2x00_is_reserved_id(ha, dev->loop_id)) { 2514 dev->loop_id++; 2515 } 2516 2517 /* Reset loop ID if passed the end. */ 2518 if (dev->loop_id > ha->last_loop_id) { 2519 /* first loop ID. */ 2520 dev->loop_id = ha->min_external_loopid; 2521 } 2522 2523 /* Check for loop ID being already in use. */ 2524 found = 0; 2525 fcport = NULL; 2526 list_for_each_entry(fcport, &ha->fcports, list) { 2527 if (fcport->loop_id == dev->loop_id && fcport != dev) { 2528 /* ID possibly in use */ 2529 found++; 2530 break; 2531 } 2532 } 2533 2534 /* If not in use then it is free to use. */ 2535 if (!found) { 2536 break; 2537 } 2538 2539 /* ID in use. Try next value. */ 2540 dev->loop_id++; 2541 2542 /* If wrap around. No free ID to use. */ 2543 if (dev->loop_id == first_loop_id) { 2544 dev->loop_id = FC_NO_LOOP_ID; 2545 rval = QLA_FUNCTION_FAILED; 2546 break; 2547 } 2548 } 2549 2550 return (rval); 2551 } 2552 2553 /* 2554 * qla2x00_device_resync 2555 * Marks devices in the database that needs resynchronization. 2556 * 2557 * Input: 2558 * ha = adapter block pointer. 2559 * 2560 * Context: 2561 * Kernel context. 2562 */ 2563 static int 2564 qla2x00_device_resync(scsi_qla_host_t *ha) 2565 { 2566 int rval; 2567 int rval2; 2568 uint32_t mask; 2569 fc_port_t *fcport; 2570 uint32_t rscn_entry; 2571 uint8_t rscn_out_iter; 2572 uint8_t format; 2573 port_id_t d_id; 2574 2575 rval = QLA_RSCNS_HANDLED; 2576 2577 while (ha->rscn_out_ptr != ha->rscn_in_ptr || 2578 ha->flags.rscn_queue_overflow) { 2579 2580 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; 2581 format = MSB(MSW(rscn_entry)); 2582 d_id.b.domain = LSB(MSW(rscn_entry)); 2583 d_id.b.area = MSB(LSW(rscn_entry)); 2584 d_id.b.al_pa = LSB(LSW(rscn_entry)); 2585 2586 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " 2587 "[%02x/%02x%02x%02x].\n", 2588 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, 2589 d_id.b.area, d_id.b.al_pa)); 2590 2591 ha->rscn_out_ptr++; 2592 if (ha->rscn_out_ptr == MAX_RSCN_COUNT) 2593 ha->rscn_out_ptr = 0; 2594 2595 /* Skip duplicate entries. */ 2596 for (rscn_out_iter = ha->rscn_out_ptr; 2597 !ha->flags.rscn_queue_overflow && 2598 rscn_out_iter != ha->rscn_in_ptr; 2599 rscn_out_iter = (rscn_out_iter == 2600 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { 2601 2602 if (rscn_entry != ha->rscn_queue[rscn_out_iter]) 2603 break; 2604 2605 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " 2606 "entry found at [%d].\n", ha->host_no, 2607 rscn_out_iter)); 2608 2609 ha->rscn_out_ptr = rscn_out_iter; 2610 } 2611 2612 /* Queue overflow, set switch default case. */ 2613 if (ha->flags.rscn_queue_overflow) { 2614 DEBUG(printk("scsi(%ld): device_resync: rscn " 2615 "overflow.\n", ha->host_no)); 2616 2617 format = 3; 2618 ha->flags.rscn_queue_overflow = 0; 2619 } 2620 2621 switch (format) { 2622 case 0: 2623 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && 2624 !IS_QLA6312(ha) && !IS_QLA6322(ha) && 2625 !IS_QLA24XX(ha) && !IS_QLA25XX(ha) && 2626 ha->flags.init_done) { 2627 /* Handle port RSCN via asyncronous IOCBs */ 2628 rval2 = qla2x00_handle_port_rscn(ha, rscn_entry, 2629 NULL, 0); 2630 if (rval2 == QLA_SUCCESS) 2631 continue; 2632 } 2633 mask = 0xffffff; 2634 break; 2635 case 1: 2636 mask = 0xffff00; 2637 break; 2638 case 2: 2639 mask = 0xff0000; 2640 break; 2641 default: 2642 mask = 0x0; 2643 d_id.b24 = 0; 2644 ha->rscn_out_ptr = ha->rscn_in_ptr; 2645 break; 2646 } 2647 2648 rval = QLA_SUCCESS; 2649 2650 /* Abort any outstanding IO descriptors. */ 2651 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 2652 qla2x00_cancel_io_descriptors(ha); 2653 2654 list_for_each_entry(fcport, &ha->fcports, list) { 2655 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2656 (fcport->d_id.b24 & mask) != d_id.b24 || 2657 fcport->port_type == FCT_BROADCAST) 2658 continue; 2659 2660 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2661 if (format != 3 || 2662 fcport->port_type != FCT_INITIATOR) { 2663 qla2x00_mark_device_lost(ha, fcport, 0); 2664 } 2665 } 2666 fcport->flags &= ~FCF_FARP_DONE; 2667 } 2668 } 2669 return (rval); 2670 } 2671 2672 /* 2673 * qla2x00_fabric_dev_login 2674 * Login fabric target device and update FC port database. 2675 * 2676 * Input: 2677 * ha: adapter state pointer. 2678 * fcport: port structure list pointer. 2679 * next_loopid: contains value of a new loop ID that can be used 2680 * by the next login attempt. 2681 * 2682 * Returns: 2683 * qla2x00 local function return status code. 2684 * 2685 * Context: 2686 * Kernel context. 2687 */ 2688 static int 2689 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2690 uint16_t *next_loopid) 2691 { 2692 int rval; 2693 int retry; 2694 uint8_t opts; 2695 2696 rval = QLA_SUCCESS; 2697 retry = 0; 2698 2699 rval = qla2x00_fabric_login(ha, fcport, next_loopid); 2700 if (rval == QLA_SUCCESS) { 2701 /* Send an ADISC to tape devices.*/ 2702 opts = 0; 2703 if (fcport->flags & FCF_TAPE_PRESENT) 2704 opts |= BIT_1; 2705 rval = qla2x00_get_port_database(ha, fcport, opts); 2706 if (rval != QLA_SUCCESS) { 2707 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2708 fcport->d_id.b.domain, fcport->d_id.b.area, 2709 fcport->d_id.b.al_pa); 2710 qla2x00_mark_device_lost(ha, fcport, 1); 2711 2712 } else { 2713 qla2x00_update_fcport(ha, fcport); 2714 } 2715 } 2716 2717 return (rval); 2718 } 2719 2720 /* 2721 * qla2x00_fabric_login 2722 * Issue fabric login command. 2723 * 2724 * Input: 2725 * ha = adapter block pointer. 2726 * device = pointer to FC device type structure. 2727 * 2728 * Returns: 2729 * 0 - Login successfully 2730 * 1 - Login failed 2731 * 2 - Initiator device 2732 * 3 - Fatal error 2733 */ 2734 int 2735 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2736 uint16_t *next_loopid) 2737 { 2738 int rval; 2739 int retry; 2740 uint16_t tmp_loopid; 2741 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2742 2743 retry = 0; 2744 tmp_loopid = 0; 2745 2746 for (;;) { 2747 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " 2748 "for port %02x%02x%02x.\n", 2749 ha->host_no, fcport->loop_id, fcport->d_id.b.domain, 2750 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2751 2752 /* Login fcport on switch. */ 2753 ha->isp_ops.fabric_login(ha, fcport->loop_id, 2754 fcport->d_id.b.domain, fcport->d_id.b.area, 2755 fcport->d_id.b.al_pa, mb, BIT_0); 2756 if (mb[0] == MBS_PORT_ID_USED) { 2757 /* 2758 * Device has another loop ID. The firmware team 2759 * recommends the driver perform an implicit login with 2760 * the specified ID again. The ID we just used is save 2761 * here so we return with an ID that can be tried by 2762 * the next login. 2763 */ 2764 retry++; 2765 tmp_loopid = fcport->loop_id; 2766 fcport->loop_id = mb[1]; 2767 2768 DEBUG(printk("Fabric Login: port in use - next " 2769 "loop id=0x%04x, port Id=%02x%02x%02x.\n", 2770 fcport->loop_id, fcport->d_id.b.domain, 2771 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2772 2773 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 2774 /* 2775 * Login succeeded. 2776 */ 2777 if (retry) { 2778 /* A retry occurred before. */ 2779 *next_loopid = tmp_loopid; 2780 } else { 2781 /* 2782 * No retry occurred before. Just increment the 2783 * ID value for next login. 2784 */ 2785 *next_loopid = (fcport->loop_id + 1); 2786 } 2787 2788 if (mb[1] & BIT_0) { 2789 fcport->port_type = FCT_INITIATOR; 2790 } else { 2791 fcport->port_type = FCT_TARGET; 2792 if (mb[1] & BIT_1) { 2793 fcport->flags |= FCF_TAPE_PRESENT; 2794 } 2795 } 2796 2797 rval = QLA_SUCCESS; 2798 break; 2799 } else if (mb[0] == MBS_LOOP_ID_USED) { 2800 /* 2801 * Loop ID already used, try next loop ID. 2802 */ 2803 fcport->loop_id++; 2804 rval = qla2x00_find_new_loop_id(ha, fcport); 2805 if (rval != QLA_SUCCESS) { 2806 /* Ran out of loop IDs to use */ 2807 break; 2808 } 2809 } else if (mb[0] == MBS_COMMAND_ERROR) { 2810 /* 2811 * Firmware possibly timed out during login. If NO 2812 * retries are left to do then the device is declared 2813 * dead. 2814 */ 2815 *next_loopid = fcport->loop_id; 2816 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2817 fcport->d_id.b.domain, fcport->d_id.b.area, 2818 fcport->d_id.b.al_pa); 2819 qla2x00_mark_device_lost(ha, fcport, 1); 2820 2821 rval = 1; 2822 break; 2823 } else { 2824 /* 2825 * unrecoverable / not handled error 2826 */ 2827 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " 2828 "loop_id=%x jiffies=%lx.\n", 2829 __func__, ha->host_no, mb[0], 2830 fcport->d_id.b.domain, fcport->d_id.b.area, 2831 fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); 2832 2833 *next_loopid = fcport->loop_id; 2834 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2835 fcport->d_id.b.domain, fcport->d_id.b.area, 2836 fcport->d_id.b.al_pa); 2837 fcport->loop_id = FC_NO_LOOP_ID; 2838 atomic_set(&fcport->state, FCS_DEVICE_DEAD); 2839 2840 rval = 3; 2841 break; 2842 } 2843 } 2844 2845 return (rval); 2846 } 2847 2848 /* 2849 * qla2x00_local_device_login 2850 * Issue local device login command. 2851 * 2852 * Input: 2853 * ha = adapter block pointer. 2854 * loop_id = loop id of device to login to. 2855 * 2856 * Returns (Where's the #define!!!!): 2857 * 0 - Login successfully 2858 * 1 - Login failed 2859 * 3 - Fatal error 2860 */ 2861 int 2862 qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id) 2863 { 2864 int rval; 2865 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2866 2867 memset(mb, 0, sizeof(mb)); 2868 rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0); 2869 if (rval == QLA_SUCCESS) { 2870 /* Interrogate mailbox registers for any errors */ 2871 if (mb[0] == MBS_COMMAND_ERROR) 2872 rval = 1; 2873 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 2874 /* device not in PCB table */ 2875 rval = 3; 2876 } 2877 2878 return (rval); 2879 } 2880 2881 /* 2882 * qla2x00_loop_resync 2883 * Resync with fibre channel devices. 2884 * 2885 * Input: 2886 * ha = adapter block pointer. 2887 * 2888 * Returns: 2889 * 0 = success 2890 */ 2891 int 2892 qla2x00_loop_resync(scsi_qla_host_t *ha) 2893 { 2894 int rval; 2895 uint32_t wait_time; 2896 2897 rval = QLA_SUCCESS; 2898 2899 atomic_set(&ha->loop_state, LOOP_UPDATE); 2900 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 2901 if (ha->flags.online) { 2902 if (!(rval = qla2x00_fw_ready(ha))) { 2903 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 2904 wait_time = 256; 2905 do { 2906 atomic_set(&ha->loop_state, LOOP_UPDATE); 2907 2908 /* Issue a marker after FW becomes ready. */ 2909 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 2910 ha->marker_needed = 0; 2911 2912 /* Remap devices on Loop. */ 2913 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 2914 2915 qla2x00_configure_loop(ha); 2916 wait_time--; 2917 } while (!atomic_read(&ha->loop_down_timer) && 2918 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 2919 wait_time && 2920 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 2921 } 2922 } 2923 2924 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { 2925 return (QLA_FUNCTION_FAILED); 2926 } 2927 2928 if (rval) { 2929 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 2930 } 2931 2932 return (rval); 2933 } 2934 2935 void 2936 qla2x00_rescan_fcports(scsi_qla_host_t *ha) 2937 { 2938 int rescan_done; 2939 fc_port_t *fcport; 2940 2941 rescan_done = 0; 2942 list_for_each_entry(fcport, &ha->fcports, list) { 2943 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) 2944 continue; 2945 2946 qla2x00_update_fcport(ha, fcport); 2947 fcport->flags &= ~FCF_RESCAN_NEEDED; 2948 2949 rescan_done = 1; 2950 } 2951 qla2x00_probe_for_all_luns(ha); 2952 } 2953 2954 /* 2955 * qla2x00_abort_isp 2956 * Resets ISP and aborts all outstanding commands. 2957 * 2958 * Input: 2959 * ha = adapter block pointer. 2960 * 2961 * Returns: 2962 * 0 = success 2963 */ 2964 int 2965 qla2x00_abort_isp(scsi_qla_host_t *ha) 2966 { 2967 unsigned long flags = 0; 2968 uint16_t cnt; 2969 srb_t *sp; 2970 uint8_t status = 0; 2971 2972 if (ha->flags.online) { 2973 ha->flags.online = 0; 2974 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 2975 2976 qla_printk(KERN_INFO, ha, 2977 "Performing ISP error recovery - ha= %p.\n", ha); 2978 ha->isp_ops.reset_chip(ha); 2979 2980 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 2981 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 2982 atomic_set(&ha->loop_state, LOOP_DOWN); 2983 qla2x00_mark_all_devices_lost(ha); 2984 } else { 2985 if (!atomic_read(&ha->loop_down_timer)) 2986 atomic_set(&ha->loop_down_timer, 2987 LOOP_DOWN_TIME); 2988 } 2989 2990 spin_lock_irqsave(&ha->hardware_lock, flags); 2991 /* Requeue all commands in outstanding command list. */ 2992 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 2993 sp = ha->outstanding_cmds[cnt]; 2994 if (sp) { 2995 ha->outstanding_cmds[cnt] = NULL; 2996 sp->flags = 0; 2997 sp->cmd->result = DID_RESET << 16; 2998 sp->cmd->host_scribble = (unsigned char *)NULL; 2999 qla2x00_sp_compl(ha, sp); 3000 } 3001 } 3002 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3003 3004 ha->isp_ops.nvram_config(ha); 3005 3006 if (!qla2x00_restart_isp(ha)) { 3007 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3008 3009 if (!atomic_read(&ha->loop_down_timer)) { 3010 /* 3011 * Issue marker command only when we are going 3012 * to start the I/O . 3013 */ 3014 ha->marker_needed = 1; 3015 } 3016 3017 ha->flags.online = 1; 3018 3019 ha->isp_ops.enable_intrs(ha); 3020 3021 ha->isp_abort_cnt = 0; 3022 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3023 } else { /* failed the ISP abort */ 3024 ha->flags.online = 1; 3025 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { 3026 if (ha->isp_abort_cnt == 0) { 3027 qla_printk(KERN_WARNING, ha, 3028 "ISP error recovery failed - " 3029 "board disabled\n"); 3030 /* 3031 * The next call disables the board 3032 * completely. 3033 */ 3034 ha->isp_ops.reset_adapter(ha); 3035 ha->flags.online = 0; 3036 clear_bit(ISP_ABORT_RETRY, 3037 &ha->dpc_flags); 3038 status = 0; 3039 } else { /* schedule another ISP abort */ 3040 ha->isp_abort_cnt--; 3041 DEBUG(printk("qla%ld: ISP abort - " 3042 "retry remaining %d\n", 3043 ha->host_no, ha->isp_abort_cnt);) 3044 status = 1; 3045 } 3046 } else { 3047 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3048 DEBUG(printk("qla2x00(%ld): ISP error recovery " 3049 "- retrying (%d) more times\n", 3050 ha->host_no, ha->isp_abort_cnt);) 3051 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3052 status = 1; 3053 } 3054 } 3055 3056 } 3057 3058 if (status) { 3059 qla_printk(KERN_INFO, ha, 3060 "qla2x00_abort_isp: **** FAILED ****\n"); 3061 } else { 3062 DEBUG(printk(KERN_INFO 3063 "qla2x00_abort_isp(%ld): exiting.\n", 3064 ha->host_no);) 3065 } 3066 3067 return(status); 3068 } 3069 3070 /* 3071 * qla2x00_restart_isp 3072 * restarts the ISP after a reset 3073 * 3074 * Input: 3075 * ha = adapter block pointer. 3076 * 3077 * Returns: 3078 * 0 = success 3079 */ 3080 static int 3081 qla2x00_restart_isp(scsi_qla_host_t *ha) 3082 { 3083 uint8_t status = 0; 3084 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3085 unsigned long flags = 0; 3086 uint32_t wait_time; 3087 3088 /* If firmware needs to be loaded */ 3089 if (qla2x00_isp_firmware(ha)) { 3090 ha->flags.online = 0; 3091 if (!(status = ha->isp_ops.chip_diag(ha))) { 3092 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 3093 status = qla2x00_setup_chip(ha); 3094 goto done; 3095 } 3096 3097 spin_lock_irqsave(&ha->hardware_lock, flags); 3098 3099 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) { 3100 /* 3101 * Disable SRAM, Instruction RAM and GP RAM 3102 * parity. 3103 */ 3104 WRT_REG_WORD(®->hccr, 3105 (HCCR_ENABLE_PARITY + 0x0)); 3106 RD_REG_WORD(®->hccr); 3107 } 3108 3109 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3110 3111 status = qla2x00_setup_chip(ha); 3112 3113 spin_lock_irqsave(&ha->hardware_lock, flags); 3114 3115 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) { 3116 /* Enable proper parity */ 3117 if (IS_QLA2300(ha)) 3118 /* SRAM parity */ 3119 WRT_REG_WORD(®->hccr, 3120 (HCCR_ENABLE_PARITY + 0x1)); 3121 else 3122 /* 3123 * SRAM, Instruction RAM and GP RAM 3124 * parity. 3125 */ 3126 WRT_REG_WORD(®->hccr, 3127 (HCCR_ENABLE_PARITY + 0x7)); 3128 RD_REG_WORD(®->hccr); 3129 } 3130 3131 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3132 } 3133 } 3134 3135 done: 3136 if (!status && !(status = qla2x00_init_rings(ha))) { 3137 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3138 if (!(status = qla2x00_fw_ready(ha))) { 3139 DEBUG(printk("%s(): Start configure loop, " 3140 "status = %d\n", __func__, status);) 3141 3142 /* Issue a marker after FW becomes ready. */ 3143 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3144 3145 ha->flags.online = 1; 3146 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3147 wait_time = 256; 3148 do { 3149 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3150 qla2x00_configure_loop(ha); 3151 wait_time--; 3152 } while (!atomic_read(&ha->loop_down_timer) && 3153 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3154 wait_time && 3155 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3156 } 3157 3158 /* if no cable then assume it's good */ 3159 if ((ha->device_flags & DFLG_NO_CABLE)) 3160 status = 0; 3161 3162 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", 3163 __func__, 3164 status);) 3165 } 3166 return (status); 3167 } 3168 3169 /* 3170 * qla2x00_reset_adapter 3171 * Reset adapter. 3172 * 3173 * Input: 3174 * ha = adapter block pointer. 3175 */ 3176 void 3177 qla2x00_reset_adapter(scsi_qla_host_t *ha) 3178 { 3179 unsigned long flags = 0; 3180 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3181 3182 ha->flags.online = 0; 3183 ha->isp_ops.disable_intrs(ha); 3184 3185 spin_lock_irqsave(&ha->hardware_lock, flags); 3186 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 3187 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3188 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 3189 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3190 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3191 } 3192 3193 void 3194 qla24xx_reset_adapter(scsi_qla_host_t *ha) 3195 { 3196 unsigned long flags = 0; 3197 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3198 3199 ha->flags.online = 0; 3200 ha->isp_ops.disable_intrs(ha); 3201 3202 spin_lock_irqsave(&ha->hardware_lock, flags); 3203 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 3204 RD_REG_DWORD(®->hccr); 3205 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 3206 RD_REG_DWORD(®->hccr); 3207 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3208 } 3209 3210 int 3211 qla24xx_nvram_config(scsi_qla_host_t *ha) 3212 { 3213 int rval; 3214 struct init_cb_24xx *icb; 3215 struct nvram_24xx *nv; 3216 uint32_t *dptr; 3217 uint8_t *dptr1, *dptr2; 3218 uint32_t chksum; 3219 uint16_t cnt; 3220 3221 rval = QLA_SUCCESS; 3222 icb = (struct init_cb_24xx *)ha->init_cb; 3223 nv = (struct nvram_24xx *)ha->request_ring; 3224 3225 /* Determine NVRAM starting address. */ 3226 ha->nvram_size = sizeof(struct nvram_24xx); 3227 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 3228 if (PCI_FUNC(ha->pdev->devfn)) 3229 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 3230 3231 /* Get NVRAM data and calculate checksum. */ 3232 dptr = (uint32_t *)nv; 3233 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, 3234 ha->nvram_size); 3235 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) 3236 chksum += le32_to_cpu(*dptr++); 3237 3238 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 3239 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, 3240 ha->nvram_size)); 3241 3242 /* Bad NVRAM data, set defaults parameters. */ 3243 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' 3244 || nv->id[3] != ' ' || 3245 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { 3246 /* Reset NVRAM data. */ 3247 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 3248 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 3249 le16_to_cpu(nv->nvram_version)); 3250 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 3251 "invalid -- WWPN) defaults.\n"); 3252 3253 /* 3254 * Set default initialization control block. 3255 */ 3256 memset(nv, 0, ha->nvram_size); 3257 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); 3258 nv->version = __constant_cpu_to_le16(ICB_VERSION); 3259 nv->frame_payload_size = __constant_cpu_to_le16(2048); 3260 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3261 nv->exchange_count = __constant_cpu_to_le16(0); 3262 nv->hard_address = __constant_cpu_to_le16(124); 3263 nv->port_name[0] = 0x21; 3264 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); 3265 nv->port_name[2] = 0x00; 3266 nv->port_name[3] = 0xe0; 3267 nv->port_name[4] = 0x8b; 3268 nv->port_name[5] = 0x1c; 3269 nv->port_name[6] = 0x55; 3270 nv->port_name[7] = 0x86; 3271 nv->node_name[0] = 0x20; 3272 nv->node_name[1] = 0x00; 3273 nv->node_name[2] = 0x00; 3274 nv->node_name[3] = 0xe0; 3275 nv->node_name[4] = 0x8b; 3276 nv->node_name[5] = 0x1c; 3277 nv->node_name[6] = 0x55; 3278 nv->node_name[7] = 0x86; 3279 nv->login_retry_count = __constant_cpu_to_le16(8); 3280 nv->link_down_timeout = __constant_cpu_to_le16(200); 3281 nv->interrupt_delay_timer = __constant_cpu_to_le16(0); 3282 nv->login_timeout = __constant_cpu_to_le16(0); 3283 nv->firmware_options_1 = 3284 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 3285 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); 3286 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); 3287 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); 3288 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); 3289 nv->efi_parameters = __constant_cpu_to_le32(0); 3290 nv->reset_delay = 5; 3291 nv->max_luns_per_target = __constant_cpu_to_le16(128); 3292 nv->port_down_retry_count = __constant_cpu_to_le16(30); 3293 nv->link_down_timeout = __constant_cpu_to_le16(30); 3294 3295 rval = 1; 3296 } 3297 3298 /* Reset Initialization control block */ 3299 memset(icb, 0, sizeof(struct init_cb_24xx)); 3300 3301 /* Copy 1st segment. */ 3302 dptr1 = (uint8_t *)icb; 3303 dptr2 = (uint8_t *)&nv->version; 3304 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 3305 while (cnt--) 3306 *dptr1++ = *dptr2++; 3307 3308 icb->login_retry_count = nv->login_retry_count; 3309 icb->link_down_timeout = nv->link_down_timeout; 3310 3311 /* Copy 2nd segment. */ 3312 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 3313 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 3314 cnt = (uint8_t *)&icb->reserved_3 - 3315 (uint8_t *)&icb->interrupt_delay_timer; 3316 while (cnt--) 3317 *dptr1++ = *dptr2++; 3318 3319 /* 3320 * Setup driver NVRAM options. 3321 */ 3322 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) { 3323 char *st, *en; 3324 uint16_t index; 3325 3326 strncpy(ha->model_number, nv->model_name, 3327 sizeof(nv->model_name)); 3328 st = en = ha->model_number; 3329 en += sizeof(nv->model_name) - 1; 3330 while (en > st) { 3331 if (*en != 0x20 && *en != 0x00) 3332 break; 3333 *en-- = '\0'; 3334 } 3335 3336 index = (ha->pdev->subsystem_device & 0xff); 3337 if (index < QLA_MODEL_NAMES) 3338 ha->model_desc = qla2x00_model_desc[index]; 3339 } else 3340 strcpy(ha->model_number, "QLA2462"); 3341 3342 /* Prepare nodename */ 3343 if ((icb->firmware_options_1 & BIT_14) == 0) { 3344 /* 3345 * Firmware will apply the following mask if the nodename was 3346 * not provided. 3347 */ 3348 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 3349 icb->node_name[0] &= 0xF0; 3350 } 3351 3352 /* Set host adapter parameters. */ 3353 ha->flags.disable_risc_code_load = 0; 3354 ha->flags.enable_lip_reset = 1; 3355 ha->flags.enable_lip_full_login = 1; 3356 ha->flags.enable_target_reset = 1; 3357 ha->flags.enable_led_scheme = 0; 3358 3359 ha->operating_mode = 3360 (icb->firmware_options_2 & (BIT_6 | BIT_5 | BIT_4)) >> 4; 3361 3362 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 3363 sizeof(ha->fw_seriallink_options24)); 3364 3365 /* save HBA serial number */ 3366 ha->serial0 = icb->port_name[5]; 3367 ha->serial1 = icb->port_name[6]; 3368 ha->serial2 = icb->port_name[7]; 3369 ha->node_name = icb->node_name; 3370 ha->port_name = icb->port_name; 3371 3372 ha->retry_count = le16_to_cpu(nv->login_retry_count); 3373 3374 /* Set minimum login_timeout to 4 seconds. */ 3375 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 3376 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 3377 if (le16_to_cpu(nv->login_timeout) < 4) 3378 nv->login_timeout = __constant_cpu_to_le16(4); 3379 ha->login_timeout = le16_to_cpu(nv->login_timeout); 3380 icb->login_timeout = cpu_to_le16(nv->login_timeout); 3381 3382 /* Set minimum RATOV to 200 tenths of a second. */ 3383 ha->r_a_tov = 200; 3384 3385 ha->loop_reset_delay = nv->reset_delay; 3386 3387 /* Link Down Timeout = 0: 3388 * 3389 * When Port Down timer expires we will start returning 3390 * I/O's to OS with "DID_NO_CONNECT". 3391 * 3392 * Link Down Timeout != 0: 3393 * 3394 * The driver waits for the link to come up after link down 3395 * before returning I/Os to OS with "DID_NO_CONNECT". 3396 */ 3397 if (le16_to_cpu(nv->link_down_timeout) == 0) { 3398 ha->loop_down_abort_time = 3399 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 3400 } else { 3401 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 3402 ha->loop_down_abort_time = 3403 (LOOP_DOWN_TIME - ha->link_down_timeout); 3404 } 3405 3406 /* Need enough time to try and get the port back. */ 3407 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 3408 if (qlport_down_retry) 3409 ha->port_down_retry_count = qlport_down_retry; 3410 3411 /* Set login_retry_count */ 3412 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 3413 if (ha->port_down_retry_count == 3414 le16_to_cpu(nv->port_down_retry_count) && 3415 ha->port_down_retry_count > 3) 3416 ha->login_retry_count = ha->port_down_retry_count; 3417 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 3418 ha->login_retry_count = ha->port_down_retry_count; 3419 if (ql2xloginretrycount) 3420 ha->login_retry_count = ql2xloginretrycount; 3421 3422 if (rval) { 3423 DEBUG2_3(printk(KERN_WARNING 3424 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 3425 } 3426 return (rval); 3427 } 3428 3429 int 3430 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3431 { 3432 int rval; 3433 uint16_t cnt; 3434 uint16_t *risc_code; 3435 unsigned long risc_address; 3436 unsigned long risc_code_size; 3437 int num; 3438 int i; 3439 uint16_t *req_ring; 3440 struct qla_fw_info *fw_iter; 3441 3442 rval = QLA_SUCCESS; 3443 3444 /* Load firmware sequences */ 3445 fw_iter = ha->brd_info->fw_info; 3446 *srisc_addr = *ha->brd_info->fw_info->fwstart; 3447 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) { 3448 risc_code = fw_iter->fwcode; 3449 risc_code_size = *fw_iter->fwlen; 3450 3451 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { 3452 risc_address = *fw_iter->fwstart; 3453 } else { 3454 /* Extended address */ 3455 risc_address = *fw_iter->lfwstart; 3456 } 3457 3458 num = 0; 3459 rval = 0; 3460 while (risc_code_size > 0 && !rval) { 3461 cnt = (uint16_t)(ha->fw_transfer_size >> 1); 3462 if (cnt > risc_code_size) 3463 cnt = risc_code_size; 3464 3465 DEBUG7(printk("scsi(%ld): Loading risc segment@ " 3466 "addr %p, number of bytes 0x%x, offset 0x%lx.\n", 3467 ha->host_no, risc_code, cnt, risc_address)); 3468 3469 req_ring = (uint16_t *)ha->request_ring; 3470 for (i = 0; i < cnt; i++) 3471 req_ring[i] = cpu_to_le16(risc_code[i]); 3472 3473 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) { 3474 rval = qla2x00_load_ram(ha, ha->request_dma, 3475 risc_address, cnt); 3476 } else { 3477 rval = qla2x00_load_ram_ext(ha, 3478 ha->request_dma, risc_address, cnt); 3479 } 3480 if (rval) { 3481 DEBUG(printk("scsi(%ld): [ERROR] Failed to " 3482 "load segment %d of firmware\n", 3483 ha->host_no, num)); 3484 qla_printk(KERN_WARNING, ha, 3485 "[ERROR] Failed to load segment %d of " 3486 "firmware\n", num); 3487 3488 qla2x00_dump_regs(ha); 3489 break; 3490 } 3491 3492 risc_code += cnt; 3493 risc_address += cnt; 3494 risc_code_size -= cnt; 3495 num++; 3496 } 3497 3498 /* Next firmware sequence */ 3499 fw_iter++; 3500 } 3501 3502 return (rval); 3503 } 3504 3505 int 3506 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3507 { 3508 int rval; 3509 int segments, fragment; 3510 uint32_t faddr; 3511 uint32_t *dcode, dlen; 3512 uint32_t risc_addr; 3513 uint32_t risc_size; 3514 uint32_t i; 3515 3516 rval = QLA_SUCCESS; 3517 3518 segments = FA_RISC_CODE_SEGMENTS; 3519 faddr = FA_RISC_CODE_ADDR; 3520 dcode = (uint32_t *)ha->request_ring; 3521 *srisc_addr = 0; 3522 3523 /* Validate firmware image by checking version. */ 3524 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); 3525 for (i = 0; i < 4; i++) 3526 dcode[i] = be32_to_cpu(dcode[i]); 3527 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3528 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3529 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3530 dcode[3] == 0)) { 3531 qla_printk(KERN_WARNING, ha, 3532 "Unable to verify integrity of flash firmware image!\n"); 3533 qla_printk(KERN_WARNING, ha, 3534 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3535 dcode[1], dcode[2], dcode[3]); 3536 3537 return QLA_FUNCTION_FAILED; 3538 } 3539 3540 while (segments && rval == QLA_SUCCESS) { 3541 /* Read segment's load information. */ 3542 qla24xx_read_flash_data(ha, dcode, faddr, 4); 3543 3544 risc_addr = be32_to_cpu(dcode[2]); 3545 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3546 risc_size = be32_to_cpu(dcode[3]); 3547 3548 fragment = 0; 3549 while (risc_size > 0 && rval == QLA_SUCCESS) { 3550 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3551 if (dlen > risc_size) 3552 dlen = risc_size; 3553 3554 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3555 "addr %x, number of dwords 0x%x, offset 0x%x.\n", 3556 ha->host_no, risc_addr, dlen, faddr)); 3557 3558 qla24xx_read_flash_data(ha, dcode, faddr, dlen); 3559 for (i = 0; i < dlen; i++) 3560 dcode[i] = swab32(dcode[i]); 3561 3562 rval = qla2x00_load_ram_ext(ha, ha->request_dma, 3563 risc_addr, dlen); 3564 if (rval) { 3565 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3566 "segment %d of firmware\n", ha->host_no, 3567 fragment)); 3568 qla_printk(KERN_WARNING, ha, 3569 "[ERROR] Failed to load segment %d of " 3570 "firmware\n", fragment); 3571 break; 3572 } 3573 3574 faddr += dlen; 3575 risc_addr += dlen; 3576 risc_size -= dlen; 3577 fragment++; 3578 } 3579 3580 /* Next segment. */ 3581 segments--; 3582 } 3583 3584 return rval; 3585 } 3586 3587 int 3588 qla24xx_load_risc_hotplug(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3589 { 3590 int rval; 3591 int segments, fragment; 3592 uint32_t *dcode, dlen; 3593 uint32_t risc_addr; 3594 uint32_t risc_size; 3595 uint32_t i; 3596 const struct firmware *fw_entry; 3597 uint32_t *fwcode, fwclen; 3598 3599 if (request_firmware(&fw_entry, ha->brd_info->fw_fname, 3600 &ha->pdev->dev)) { 3601 qla_printk(KERN_ERR, ha, 3602 "Firmware image file not available: '%s'\n", 3603 ha->brd_info->fw_fname); 3604 return QLA_FUNCTION_FAILED; 3605 } 3606 3607 rval = QLA_SUCCESS; 3608 3609 segments = FA_RISC_CODE_SEGMENTS; 3610 dcode = (uint32_t *)ha->request_ring; 3611 *srisc_addr = 0; 3612 fwcode = (uint32_t *)fw_entry->data; 3613 fwclen = 0; 3614 3615 /* Validate firmware image by checking version. */ 3616 if (fw_entry->size < 8 * sizeof(uint32_t)) { 3617 qla_printk(KERN_WARNING, ha, 3618 "Unable to verify integrity of flash firmware image " 3619 "(%Zd)!\n", fw_entry->size); 3620 goto fail_fw_integrity; 3621 } 3622 for (i = 0; i < 4; i++) 3623 dcode[i] = be32_to_cpu(fwcode[i + 4]); 3624 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3625 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3626 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3627 dcode[3] == 0)) { 3628 qla_printk(KERN_WARNING, ha, 3629 "Unable to verify integrity of flash firmware image!\n"); 3630 qla_printk(KERN_WARNING, ha, 3631 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3632 dcode[1], dcode[2], dcode[3]); 3633 goto fail_fw_integrity; 3634 } 3635 3636 while (segments && rval == QLA_SUCCESS) { 3637 risc_addr = be32_to_cpu(fwcode[2]); 3638 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3639 risc_size = be32_to_cpu(fwcode[3]); 3640 3641 /* Validate firmware image size. */ 3642 fwclen += risc_size * sizeof(uint32_t); 3643 if (fw_entry->size < fwclen) { 3644 qla_printk(KERN_WARNING, ha, 3645 "Unable to verify integrity of flash firmware " 3646 "image (%Zd)!\n", fw_entry->size); 3647 goto fail_fw_integrity; 3648 } 3649 3650 fragment = 0; 3651 while (risc_size > 0 && rval == QLA_SUCCESS) { 3652 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3653 if (dlen > risc_size) 3654 dlen = risc_size; 3655 3656 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3657 "addr %x, number of dwords 0x%x.\n", ha->host_no, 3658 risc_addr, dlen)); 3659 3660 for (i = 0; i < dlen; i++) 3661 dcode[i] = swab32(fwcode[i]); 3662 3663 rval = qla2x00_load_ram_ext(ha, ha->request_dma, 3664 risc_addr, dlen); 3665 if (rval) { 3666 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3667 "segment %d of firmware\n", ha->host_no, 3668 fragment)); 3669 qla_printk(KERN_WARNING, ha, 3670 "[ERROR] Failed to load segment %d of " 3671 "firmware\n", fragment); 3672 break; 3673 } 3674 3675 fwcode += dlen; 3676 risc_addr += dlen; 3677 risc_size -= dlen; 3678 fragment++; 3679 } 3680 3681 /* Next segment. */ 3682 segments--; 3683 } 3684 3685 release_firmware(fw_entry); 3686 return rval; 3687 3688 fail_fw_integrity: 3689 3690 release_firmware(fw_entry); 3691 return QLA_FUNCTION_FAILED; 3692 3693 } 3694