1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2005 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 9 #include <linux/delay.h> 10 #include <linux/vmalloc.h> 11 12 #include "qla_devtbl.h" 13 14 #ifdef CONFIG_SPARC 15 #include <asm/prom.h> 16 #endif 17 18 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */ 19 #ifndef EXT_IS_LUN_BIT_SET 20 #define EXT_IS_LUN_BIT_SET(P,L) \ 21 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0) 22 #define EXT_SET_LUN_BIT(P,L) \ 23 ((P)->mask[L/8] |= (0x80 >> (L%8))) 24 #endif 25 26 /* 27 * QLogic ISP2x00 Hardware Support Function Prototypes. 28 */ 29 static int qla2x00_isp_firmware(scsi_qla_host_t *); 30 static void qla2x00_resize_request_q(scsi_qla_host_t *); 31 static int qla2x00_setup_chip(scsi_qla_host_t *); 32 static void qla2x00_init_response_q_entries(scsi_qla_host_t *); 33 static int qla2x00_init_rings(scsi_qla_host_t *); 34 static int qla2x00_fw_ready(scsi_qla_host_t *); 35 static int qla2x00_configure_hba(scsi_qla_host_t *); 36 static int qla2x00_configure_loop(scsi_qla_host_t *); 37 static int qla2x00_configure_local_loop(scsi_qla_host_t *); 38 static int qla2x00_configure_fabric(scsi_qla_host_t *); 39 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); 40 static int qla2x00_device_resync(scsi_qla_host_t *); 41 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, 42 uint16_t *); 43 44 static int qla2x00_restart_isp(scsi_qla_host_t *); 45 46 static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev); 47 48 /****************************************************************************/ 49 /* QLogic ISP2x00 Hardware Support Functions. */ 50 /****************************************************************************/ 51 52 /* 53 * qla2x00_initialize_adapter 54 * Initialize board. 55 * 56 * Input: 57 * ha = adapter block pointer. 58 * 59 * Returns: 60 * 0 = success 61 */ 62 int 63 qla2x00_initialize_adapter(scsi_qla_host_t *ha) 64 { 65 int rval; 66 67 /* Clear adapter flags. */ 68 ha->flags.online = 0; 69 ha->flags.reset_active = 0; 70 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 71 atomic_set(&ha->loop_state, LOOP_DOWN); 72 ha->device_flags = DFLG_NO_CABLE; 73 ha->dpc_flags = 0; 74 ha->flags.management_server_logged_in = 0; 75 ha->marker_needed = 0; 76 ha->mbx_flags = 0; 77 ha->isp_abort_cnt = 0; 78 ha->beacon_blink_led = 0; 79 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags); 80 81 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n"); 82 rval = ha->isp_ops.pci_config(ha); 83 if (rval) { 84 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n", 85 ha->host_no)); 86 return (rval); 87 } 88 89 ha->isp_ops.reset_chip(ha); 90 91 ha->isp_ops.get_flash_version(ha, ha->request_ring); 92 93 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); 94 95 ha->isp_ops.nvram_config(ha); 96 97 if (ha->flags.disable_serdes) { 98 /* Mask HBA via NVRAM settings? */ 99 qla_printk(KERN_INFO, ha, "Masking HBA WWPN " 100 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n", 101 ha->port_name[0], ha->port_name[1], 102 ha->port_name[2], ha->port_name[3], 103 ha->port_name[4], ha->port_name[5], 104 ha->port_name[6], ha->port_name[7]); 105 return QLA_FUNCTION_FAILED; 106 } 107 108 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n"); 109 110 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) { 111 rval = ha->isp_ops.chip_diag(ha); 112 if (rval) 113 return (rval); 114 rval = qla2x00_setup_chip(ha); 115 if (rval) 116 return (rval); 117 } 118 rval = qla2x00_init_rings(ha); 119 120 return (rval); 121 } 122 123 /** 124 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. 125 * @ha: HA context 126 * 127 * Returns 0 on success. 128 */ 129 int 130 qla2100_pci_config(scsi_qla_host_t *ha) 131 { 132 int ret; 133 uint16_t w; 134 uint32_t d; 135 unsigned long flags; 136 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 137 138 pci_set_master(ha->pdev); 139 ret = pci_set_mwi(ha->pdev); 140 141 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 142 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 143 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 144 145 /* Reset expansion ROM address decode enable */ 146 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 147 d &= ~PCI_ROM_ADDRESS_ENABLE; 148 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 149 150 /* Get PCI bus information. */ 151 spin_lock_irqsave(&ha->hardware_lock, flags); 152 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 153 spin_unlock_irqrestore(&ha->hardware_lock, flags); 154 155 return QLA_SUCCESS; 156 } 157 158 /** 159 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. 160 * @ha: HA context 161 * 162 * Returns 0 on success. 163 */ 164 int 165 qla2300_pci_config(scsi_qla_host_t *ha) 166 { 167 int ret; 168 uint16_t w; 169 uint32_t d; 170 unsigned long flags = 0; 171 uint32_t cnt; 172 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 173 174 pci_set_master(ha->pdev); 175 ret = pci_set_mwi(ha->pdev); 176 177 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 178 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 179 180 if (IS_QLA2322(ha) || IS_QLA6322(ha)) 181 w &= ~PCI_COMMAND_INTX_DISABLE; 182 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 183 184 /* 185 * If this is a 2300 card and not 2312, reset the 186 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, 187 * the 2310 also reports itself as a 2300 so we need to get the 188 * fb revision level -- a 6 indicates it really is a 2300 and 189 * not a 2310. 190 */ 191 if (IS_QLA2300(ha)) { 192 spin_lock_irqsave(&ha->hardware_lock, flags); 193 194 /* Pause RISC. */ 195 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 196 for (cnt = 0; cnt < 30000; cnt++) { 197 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) != 0) 198 break; 199 200 udelay(10); 201 } 202 203 /* Select FPM registers. */ 204 WRT_REG_WORD(®->ctrl_status, 0x20); 205 RD_REG_WORD(®->ctrl_status); 206 207 /* Get the fb rev level */ 208 ha->fb_rev = RD_FB_CMD_REG(ha, reg); 209 210 if (ha->fb_rev == FPM_2300) 211 pci_clear_mwi(ha->pdev); 212 213 /* Deselect FPM registers. */ 214 WRT_REG_WORD(®->ctrl_status, 0x0); 215 RD_REG_WORD(®->ctrl_status); 216 217 /* Release RISC module. */ 218 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 219 for (cnt = 0; cnt < 30000; cnt++) { 220 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0) 221 break; 222 223 udelay(10); 224 } 225 226 spin_unlock_irqrestore(&ha->hardware_lock, flags); 227 } 228 229 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 230 231 /* Reset expansion ROM address decode enable */ 232 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 233 d &= ~PCI_ROM_ADDRESS_ENABLE; 234 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 235 236 /* Get PCI bus information. */ 237 spin_lock_irqsave(&ha->hardware_lock, flags); 238 ha->pci_attr = RD_REG_WORD(®->ctrl_status); 239 spin_unlock_irqrestore(&ha->hardware_lock, flags); 240 241 return QLA_SUCCESS; 242 } 243 244 /** 245 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers. 246 * @ha: HA context 247 * 248 * Returns 0 on success. 249 */ 250 int 251 qla24xx_pci_config(scsi_qla_host_t *ha) 252 { 253 int ret; 254 uint16_t w; 255 uint32_t d; 256 unsigned long flags = 0; 257 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 258 int pcix_cmd_reg, pcie_dctl_reg; 259 260 pci_set_master(ha->pdev); 261 ret = pci_set_mwi(ha->pdev); 262 263 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 264 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 265 w &= ~PCI_COMMAND_INTX_DISABLE; 266 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 267 268 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 269 270 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */ 271 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX); 272 if (pcix_cmd_reg) { 273 uint16_t pcix_cmd; 274 275 pcix_cmd_reg += PCI_X_CMD; 276 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd); 277 pcix_cmd &= ~PCI_X_CMD_MAX_READ; 278 pcix_cmd |= 0x0008; 279 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd); 280 } 281 282 /* PCIe -- adjust Maximum Read Request Size (2048). */ 283 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); 284 if (pcie_dctl_reg) { 285 uint16_t pcie_dctl; 286 287 pcie_dctl_reg += PCI_EXP_DEVCTL; 288 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl); 289 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ; 290 pcie_dctl |= 0x4000; 291 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl); 292 } 293 294 /* Reset expansion ROM address decode enable */ 295 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d); 296 d &= ~PCI_ROM_ADDRESS_ENABLE; 297 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d); 298 299 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->chip_revision); 300 301 /* Get PCI bus information. */ 302 spin_lock_irqsave(&ha->hardware_lock, flags); 303 ha->pci_attr = RD_REG_DWORD(®->ctrl_status); 304 spin_unlock_irqrestore(&ha->hardware_lock, flags); 305 306 return QLA_SUCCESS; 307 } 308 309 /** 310 * qla2x00_isp_firmware() - Choose firmware image. 311 * @ha: HA context 312 * 313 * Returns 0 on success. 314 */ 315 static int 316 qla2x00_isp_firmware(scsi_qla_host_t *ha) 317 { 318 int rval; 319 320 /* Assume loading risc code */ 321 rval = QLA_FUNCTION_FAILED; 322 323 if (ha->flags.disable_risc_code_load) { 324 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n", 325 ha->host_no)); 326 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n"); 327 328 /* Verify checksum of loaded RISC code. */ 329 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address); 330 } 331 332 if (rval) { 333 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n", 334 ha->host_no)); 335 } 336 337 return (rval); 338 } 339 340 /** 341 * qla2x00_reset_chip() - Reset ISP chip. 342 * @ha: HA context 343 * 344 * Returns 0 on success. 345 */ 346 void 347 qla2x00_reset_chip(scsi_qla_host_t *ha) 348 { 349 unsigned long flags = 0; 350 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 351 uint32_t cnt; 352 uint16_t cmd; 353 354 ha->isp_ops.disable_intrs(ha); 355 356 spin_lock_irqsave(&ha->hardware_lock, flags); 357 358 /* Turn off master enable */ 359 cmd = 0; 360 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); 361 cmd &= ~PCI_COMMAND_MASTER; 362 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 363 364 if (!IS_QLA2100(ha)) { 365 /* Pause RISC. */ 366 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC); 367 if (IS_QLA2200(ha) || IS_QLA2300(ha)) { 368 for (cnt = 0; cnt < 30000; cnt++) { 369 if ((RD_REG_WORD(®->hccr) & 370 HCCR_RISC_PAUSE) != 0) 371 break; 372 udelay(100); 373 } 374 } else { 375 RD_REG_WORD(®->hccr); /* PCI Posting. */ 376 udelay(10); 377 } 378 379 /* Select FPM registers. */ 380 WRT_REG_WORD(®->ctrl_status, 0x20); 381 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 382 383 /* FPM Soft Reset. */ 384 WRT_REG_WORD(®->fpm_diag_config, 0x100); 385 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 386 387 /* Toggle Fpm Reset. */ 388 if (!IS_QLA2200(ha)) { 389 WRT_REG_WORD(®->fpm_diag_config, 0x0); 390 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */ 391 } 392 393 /* Select frame buffer registers. */ 394 WRT_REG_WORD(®->ctrl_status, 0x10); 395 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 396 397 /* Reset frame buffer FIFOs. */ 398 if (IS_QLA2200(ha)) { 399 WRT_FB_CMD_REG(ha, reg, 0xa000); 400 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ 401 } else { 402 WRT_FB_CMD_REG(ha, reg, 0x00fc); 403 404 /* Read back fb_cmd until zero or 3 seconds max */ 405 for (cnt = 0; cnt < 3000; cnt++) { 406 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) 407 break; 408 udelay(100); 409 } 410 } 411 412 /* Select RISC module registers. */ 413 WRT_REG_WORD(®->ctrl_status, 0); 414 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */ 415 416 /* Reset RISC processor. */ 417 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 418 RD_REG_WORD(®->hccr); /* PCI Posting. */ 419 420 /* Release RISC processor. */ 421 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 422 RD_REG_WORD(®->hccr); /* PCI Posting. */ 423 } 424 425 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 426 WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT); 427 428 /* Reset ISP chip. */ 429 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 430 431 /* Wait for RISC to recover from reset. */ 432 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 433 /* 434 * It is necessary to for a delay here since the card doesn't 435 * respond to PCI reads during a reset. On some architectures 436 * this will result in an MCA. 437 */ 438 udelay(20); 439 for (cnt = 30000; cnt; cnt--) { 440 if ((RD_REG_WORD(®->ctrl_status) & 441 CSR_ISP_SOFT_RESET) == 0) 442 break; 443 udelay(100); 444 } 445 } else 446 udelay(10); 447 448 /* Reset RISC processor. */ 449 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 450 451 WRT_REG_WORD(®->semaphore, 0); 452 453 /* Release RISC processor. */ 454 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 455 RD_REG_WORD(®->hccr); /* PCI Posting. */ 456 457 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 458 for (cnt = 0; cnt < 30000; cnt++) { 459 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) 460 break; 461 462 udelay(100); 463 } 464 } else 465 udelay(100); 466 467 /* Turn on master enable */ 468 cmd |= PCI_COMMAND_MASTER; 469 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 470 471 /* Disable RISC pause on FPM parity error. */ 472 if (!IS_QLA2100(ha)) { 473 WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE); 474 RD_REG_WORD(®->hccr); /* PCI Posting. */ 475 } 476 477 spin_unlock_irqrestore(&ha->hardware_lock, flags); 478 } 479 480 /** 481 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC. 482 * @ha: HA context 483 * 484 * Returns 0 on success. 485 */ 486 static inline void 487 qla24xx_reset_risc(scsi_qla_host_t *ha) 488 { 489 unsigned long flags = 0; 490 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 491 uint32_t cnt, d2; 492 uint16_t wd; 493 494 spin_lock_irqsave(&ha->hardware_lock, flags); 495 496 /* Reset RISC. */ 497 WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 498 for (cnt = 0; cnt < 30000; cnt++) { 499 if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) 500 break; 501 502 udelay(10); 503 } 504 505 WRT_REG_DWORD(®->ctrl_status, 506 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 507 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd); 508 509 udelay(100); 510 /* Wait for firmware to complete NVRAM accesses. */ 511 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 512 for (cnt = 10000 ; cnt && d2; cnt--) { 513 udelay(5); 514 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 515 barrier(); 516 } 517 518 /* Wait for soft-reset to complete. */ 519 d2 = RD_REG_DWORD(®->ctrl_status); 520 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) { 521 udelay(5); 522 d2 = RD_REG_DWORD(®->ctrl_status); 523 barrier(); 524 } 525 526 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 527 RD_REG_DWORD(®->hccr); 528 529 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 530 RD_REG_DWORD(®->hccr); 531 532 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET); 533 RD_REG_DWORD(®->hccr); 534 535 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 536 for (cnt = 6000000 ; cnt && d2; cnt--) { 537 udelay(5); 538 d2 = (uint32_t) RD_REG_WORD(®->mailbox0); 539 barrier(); 540 } 541 542 spin_unlock_irqrestore(&ha->hardware_lock, flags); 543 } 544 545 /** 546 * qla24xx_reset_chip() - Reset ISP24xx chip. 547 * @ha: HA context 548 * 549 * Returns 0 on success. 550 */ 551 void 552 qla24xx_reset_chip(scsi_qla_host_t *ha) 553 { 554 ha->isp_ops.disable_intrs(ha); 555 556 /* Perform RISC reset. */ 557 qla24xx_reset_risc(ha); 558 } 559 560 /** 561 * qla2x00_chip_diag() - Test chip for proper operation. 562 * @ha: HA context 563 * 564 * Returns 0 on success. 565 */ 566 int 567 qla2x00_chip_diag(scsi_qla_host_t *ha) 568 { 569 int rval; 570 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 571 unsigned long flags = 0; 572 uint16_t data; 573 uint32_t cnt; 574 uint16_t mb[5]; 575 576 /* Assume a failed state */ 577 rval = QLA_FUNCTION_FAILED; 578 579 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n", 580 ha->host_no, (u_long)®->flash_address)); 581 582 spin_lock_irqsave(&ha->hardware_lock, flags); 583 584 /* Reset ISP chip. */ 585 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET); 586 587 /* 588 * We need to have a delay here since the card will not respond while 589 * in reset causing an MCA on some architectures. 590 */ 591 udelay(20); 592 data = qla2x00_debounce_register(®->ctrl_status); 593 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { 594 udelay(5); 595 data = RD_REG_WORD(®->ctrl_status); 596 barrier(); 597 } 598 599 if (!cnt) 600 goto chip_diag_failed; 601 602 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n", 603 ha->host_no)); 604 605 /* Reset RISC processor. */ 606 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 607 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 608 609 /* Workaround for QLA2312 PCI parity error */ 610 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 611 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); 612 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { 613 udelay(5); 614 data = RD_MAILBOX_REG(ha, reg, 0); 615 barrier(); 616 } 617 } else 618 udelay(10); 619 620 if (!cnt) 621 goto chip_diag_failed; 622 623 /* Check product ID of chip */ 624 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no)); 625 626 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 627 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 628 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 629 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); 630 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || 631 mb[3] != PROD_ID_3) { 632 qla_printk(KERN_WARNING, ha, 633 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]); 634 635 goto chip_diag_failed; 636 } 637 ha->product_id[0] = mb[1]; 638 ha->product_id[1] = mb[2]; 639 ha->product_id[2] = mb[3]; 640 ha->product_id[3] = mb[4]; 641 642 /* Adjust fw RISC transfer size */ 643 if (ha->request_q_length > 1024) 644 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 645 else 646 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 647 ha->request_q_length; 648 649 if (IS_QLA2200(ha) && 650 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { 651 /* Limit firmware transfer size with a 2200A */ 652 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n", 653 ha->host_no)); 654 655 ha->device_type |= DT_ISP2200A; 656 ha->fw_transfer_size = 128; 657 } 658 659 /* Wrap Incoming Mailboxes Test. */ 660 spin_unlock_irqrestore(&ha->hardware_lock, flags); 661 662 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no)); 663 rval = qla2x00_mbx_reg_test(ha); 664 if (rval) { 665 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 666 ha->host_no)); 667 qla_printk(KERN_WARNING, ha, 668 "Failed mailbox send register test\n"); 669 } 670 else { 671 /* Flag a successful rval */ 672 rval = QLA_SUCCESS; 673 } 674 spin_lock_irqsave(&ha->hardware_lock, flags); 675 676 chip_diag_failed: 677 if (rval) 678 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED " 679 "****\n", ha->host_no)); 680 681 spin_unlock_irqrestore(&ha->hardware_lock, flags); 682 683 return (rval); 684 } 685 686 /** 687 * qla24xx_chip_diag() - Test ISP24xx for proper operation. 688 * @ha: HA context 689 * 690 * Returns 0 on success. 691 */ 692 int 693 qla24xx_chip_diag(scsi_qla_host_t *ha) 694 { 695 int rval; 696 697 /* Perform RISC reset. */ 698 qla24xx_reset_risc(ha); 699 700 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 701 702 rval = qla2x00_mbx_reg_test(ha); 703 if (rval) { 704 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n", 705 ha->host_no)); 706 qla_printk(KERN_WARNING, ha, 707 "Failed mailbox send register test\n"); 708 } else { 709 /* Flag a successful rval */ 710 rval = QLA_SUCCESS; 711 } 712 713 return rval; 714 } 715 716 void 717 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha) 718 { 719 int rval; 720 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size, 721 eft_size; 722 dma_addr_t eft_dma; 723 void *eft; 724 725 if (ha->fw_dump) { 726 qla_printk(KERN_WARNING, ha, 727 "Firmware dump previously allocated.\n"); 728 return; 729 } 730 731 ha->fw_dumped = 0; 732 fixed_size = mem_size = eft_size = 0; 733 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 734 fixed_size = sizeof(struct qla2100_fw_dump); 735 } else if (IS_QLA23XX(ha)) { 736 fixed_size = offsetof(struct qla2300_fw_dump, data_ram); 737 mem_size = (ha->fw_memory_size - 0x11000 + 1) * 738 sizeof(uint16_t); 739 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { 740 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem); 741 mem_size = (ha->fw_memory_size - 0x100000 + 1) * 742 sizeof(uint32_t); 743 744 /* Allocate memory for Extended Trace Buffer. */ 745 eft = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &eft_dma, 746 GFP_KERNEL); 747 if (!eft) { 748 qla_printk(KERN_WARNING, ha, "Unable to allocate " 749 "(%d KB) for EFT.\n", EFT_SIZE / 1024); 750 goto cont_alloc; 751 } 752 753 rval = qla2x00_trace_control(ha, TC_ENABLE, eft_dma, 754 EFT_NUM_BUFFERS); 755 if (rval) { 756 qla_printk(KERN_WARNING, ha, "Unable to initialize " 757 "EFT (%d).\n", rval); 758 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, eft, 759 eft_dma); 760 goto cont_alloc; 761 } 762 763 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n", 764 EFT_SIZE / 1024); 765 766 eft_size = EFT_SIZE; 767 memset(eft, 0, eft_size); 768 ha->eft_dma = eft_dma; 769 ha->eft = eft; 770 } 771 cont_alloc: 772 req_q_size = ha->request_q_length * sizeof(request_t); 773 rsp_q_size = ha->response_q_length * sizeof(response_t); 774 775 dump_size = offsetof(struct qla2xxx_fw_dump, isp); 776 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + 777 eft_size; 778 779 ha->fw_dump = vmalloc(dump_size); 780 if (!ha->fw_dump) { 781 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for " 782 "firmware dump!!!\n", dump_size / 1024); 783 784 if (ha->eft) { 785 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft, 786 ha->eft_dma); 787 ha->eft = NULL; 788 ha->eft_dma = 0; 789 } 790 return; 791 } 792 793 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n", 794 dump_size / 1024); 795 796 ha->fw_dump_len = dump_size; 797 ha->fw_dump->signature[0] = 'Q'; 798 ha->fw_dump->signature[1] = 'L'; 799 ha->fw_dump->signature[2] = 'G'; 800 ha->fw_dump->signature[3] = 'C'; 801 ha->fw_dump->version = __constant_htonl(1); 802 803 ha->fw_dump->fixed_size = htonl(fixed_size); 804 ha->fw_dump->mem_size = htonl(mem_size); 805 ha->fw_dump->req_q_size = htonl(req_q_size); 806 ha->fw_dump->rsp_q_size = htonl(rsp_q_size); 807 808 ha->fw_dump->eft_size = htonl(eft_size); 809 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma)); 810 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma)); 811 812 ha->fw_dump->header_size = 813 htonl(offsetof(struct qla2xxx_fw_dump, isp)); 814 } 815 816 /** 817 * qla2x00_resize_request_q() - Resize request queue given available ISP memory. 818 * @ha: HA context 819 * 820 * Returns 0 on success. 821 */ 822 static void 823 qla2x00_resize_request_q(scsi_qla_host_t *ha) 824 { 825 int rval; 826 uint16_t fw_iocb_cnt = 0; 827 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM; 828 dma_addr_t request_dma; 829 request_t *request_ring; 830 831 /* Valid only on recent ISPs. */ 832 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 833 return; 834 835 /* Retrieve IOCB counts available to the firmware. */ 836 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt); 837 if (rval) 838 return; 839 /* No point in continuing if current settings are sufficient. */ 840 if (fw_iocb_cnt < 1024) 841 return; 842 if (ha->request_q_length >= request_q_length) 843 return; 844 845 /* Attempt to claim larger area for request queue. */ 846 request_ring = dma_alloc_coherent(&ha->pdev->dev, 847 (request_q_length + 1) * sizeof(request_t), &request_dma, 848 GFP_KERNEL); 849 if (request_ring == NULL) 850 return; 851 852 /* Resize successful, report extensions. */ 853 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n", 854 (ha->fw_memory_size + 1) / 1024); 855 qla_printk(KERN_INFO, ha, "Resizing request queue depth " 856 "(%d -> %d)...\n", ha->request_q_length, request_q_length); 857 858 /* Clear old allocations. */ 859 dma_free_coherent(&ha->pdev->dev, 860 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring, 861 ha->request_dma); 862 863 /* Begin using larger queue. */ 864 ha->request_q_length = request_q_length; 865 ha->request_ring = request_ring; 866 ha->request_dma = request_dma; 867 } 868 869 /** 870 * qla2x00_setup_chip() - Load and start RISC firmware. 871 * @ha: HA context 872 * 873 * Returns 0 on success. 874 */ 875 static int 876 qla2x00_setup_chip(scsi_qla_host_t *ha) 877 { 878 int rval; 879 uint32_t srisc_address = 0; 880 881 /* Load firmware sequences */ 882 rval = ha->isp_ops.load_risc(ha, &srisc_address); 883 if (rval == QLA_SUCCESS) { 884 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC " 885 "code.\n", ha->host_no)); 886 887 rval = qla2x00_verify_checksum(ha, srisc_address); 888 if (rval == QLA_SUCCESS) { 889 /* Start firmware execution. */ 890 DEBUG(printk("scsi(%ld): Checksum OK, start " 891 "firmware.\n", ha->host_no)); 892 893 rval = qla2x00_execute_fw(ha, srisc_address); 894 /* Retrieve firmware information. */ 895 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) { 896 qla2x00_get_fw_version(ha, 897 &ha->fw_major_version, 898 &ha->fw_minor_version, 899 &ha->fw_subminor_version, 900 &ha->fw_attributes, &ha->fw_memory_size); 901 qla2x00_resize_request_q(ha); 902 903 if (ql2xallocfwdump) 904 qla2x00_alloc_fw_dump(ha); 905 } 906 } else { 907 DEBUG2(printk(KERN_INFO 908 "scsi(%ld): ISP Firmware failed checksum.\n", 909 ha->host_no)); 910 } 911 } 912 913 if (rval) { 914 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n", 915 ha->host_no)); 916 } 917 918 return (rval); 919 } 920 921 /** 922 * qla2x00_init_response_q_entries() - Initializes response queue entries. 923 * @ha: HA context 924 * 925 * Beginning of request ring has initialization control block already built 926 * by nvram config routine. 927 * 928 * Returns 0 on success. 929 */ 930 static void 931 qla2x00_init_response_q_entries(scsi_qla_host_t *ha) 932 { 933 uint16_t cnt; 934 response_t *pkt; 935 936 pkt = ha->response_ring_ptr; 937 for (cnt = 0; cnt < ha->response_q_length; cnt++) { 938 pkt->signature = RESPONSE_PROCESSED; 939 pkt++; 940 } 941 942 } 943 944 /** 945 * qla2x00_update_fw_options() - Read and process firmware options. 946 * @ha: HA context 947 * 948 * Returns 0 on success. 949 */ 950 void 951 qla2x00_update_fw_options(scsi_qla_host_t *ha) 952 { 953 uint16_t swing, emphasis, tx_sens, rx_sens; 954 955 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 956 qla2x00_get_fw_options(ha, ha->fw_options); 957 958 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 959 return; 960 961 /* Serial Link options. */ 962 DEBUG3(printk("scsi(%ld): Serial link options:\n", 963 ha->host_no)); 964 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options, 965 sizeof(ha->fw_seriallink_options))); 966 967 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 968 if (ha->fw_seriallink_options[3] & BIT_2) { 969 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 970 971 /* 1G settings */ 972 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 973 emphasis = (ha->fw_seriallink_options[2] & 974 (BIT_4 | BIT_3)) >> 3; 975 tx_sens = ha->fw_seriallink_options[0] & 976 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 977 rx_sens = (ha->fw_seriallink_options[0] & 978 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 979 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 980 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 981 if (rx_sens == 0x0) 982 rx_sens = 0x3; 983 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 984 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 985 ha->fw_options[10] |= BIT_5 | 986 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 987 (tx_sens & (BIT_1 | BIT_0)); 988 989 /* 2G settings */ 990 swing = (ha->fw_seriallink_options[2] & 991 (BIT_7 | BIT_6 | BIT_5)) >> 5; 992 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 993 tx_sens = ha->fw_seriallink_options[1] & 994 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 995 rx_sens = (ha->fw_seriallink_options[1] & 996 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 997 ha->fw_options[11] = (emphasis << 14) | (swing << 8); 998 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 999 if (rx_sens == 0x0) 1000 rx_sens = 0x3; 1001 ha->fw_options[11] |= (tx_sens << 4) | rx_sens; 1002 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 1003 ha->fw_options[11] |= BIT_5 | 1004 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 1005 (tx_sens & (BIT_1 | BIT_0)); 1006 } 1007 1008 /* FCP2 options. */ 1009 /* Return command IOCBs without waiting for an ABTS to complete. */ 1010 ha->fw_options[3] |= BIT_13; 1011 1012 /* LED scheme. */ 1013 if (ha->flags.enable_led_scheme) 1014 ha->fw_options[2] |= BIT_12; 1015 1016 /* Detect ISP6312. */ 1017 if (IS_QLA6312(ha)) 1018 ha->fw_options[2] |= BIT_13; 1019 1020 /* Update firmware options. */ 1021 qla2x00_set_fw_options(ha, ha->fw_options); 1022 } 1023 1024 void 1025 qla24xx_update_fw_options(scsi_qla_host_t *ha) 1026 { 1027 int rval; 1028 1029 /* Update Serial Link options. */ 1030 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0) 1031 return; 1032 1033 rval = qla2x00_set_serdes_params(ha, 1034 le16_to_cpu(ha->fw_seriallink_options24[1]), 1035 le16_to_cpu(ha->fw_seriallink_options24[2]), 1036 le16_to_cpu(ha->fw_seriallink_options24[3])); 1037 if (rval != QLA_SUCCESS) { 1038 qla_printk(KERN_WARNING, ha, 1039 "Unable to update Serial Link options (%x).\n", rval); 1040 } 1041 } 1042 1043 void 1044 qla2x00_config_rings(struct scsi_qla_host *ha) 1045 { 1046 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1047 1048 /* Setup ring parameters in initialization control block. */ 1049 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0); 1050 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0); 1051 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length); 1052 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length); 1053 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1054 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1055 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1056 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1057 1058 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0); 1059 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0); 1060 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0); 1061 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0); 1062 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 1063 } 1064 1065 void 1066 qla24xx_config_rings(struct scsi_qla_host *ha) 1067 { 1068 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 1069 struct init_cb_24xx *icb; 1070 1071 /* Setup ring parameters in initialization control block. */ 1072 icb = (struct init_cb_24xx *)ha->init_cb; 1073 icb->request_q_outpointer = __constant_cpu_to_le16(0); 1074 icb->response_q_inpointer = __constant_cpu_to_le16(0); 1075 icb->request_q_length = cpu_to_le16(ha->request_q_length); 1076 icb->response_q_length = cpu_to_le16(ha->response_q_length); 1077 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma)); 1078 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma)); 1079 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma)); 1080 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma)); 1081 1082 WRT_REG_DWORD(®->req_q_in, 0); 1083 WRT_REG_DWORD(®->req_q_out, 0); 1084 WRT_REG_DWORD(®->rsp_q_in, 0); 1085 WRT_REG_DWORD(®->rsp_q_out, 0); 1086 RD_REG_DWORD(®->rsp_q_out); 1087 } 1088 1089 /** 1090 * qla2x00_init_rings() - Initializes firmware. 1091 * @ha: HA context 1092 * 1093 * Beginning of request ring has initialization control block already built 1094 * by nvram config routine. 1095 * 1096 * Returns 0 on success. 1097 */ 1098 static int 1099 qla2x00_init_rings(scsi_qla_host_t *ha) 1100 { 1101 int rval; 1102 unsigned long flags = 0; 1103 int cnt; 1104 1105 spin_lock_irqsave(&ha->hardware_lock, flags); 1106 1107 /* Clear outstanding commands array. */ 1108 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) 1109 ha->outstanding_cmds[cnt] = NULL; 1110 1111 ha->current_outstanding_cmd = 0; 1112 1113 /* Clear RSCN queue. */ 1114 ha->rscn_in_ptr = 0; 1115 ha->rscn_out_ptr = 0; 1116 1117 /* Initialize firmware. */ 1118 ha->request_ring_ptr = ha->request_ring; 1119 ha->req_ring_index = 0; 1120 ha->req_q_cnt = ha->request_q_length; 1121 ha->response_ring_ptr = ha->response_ring; 1122 ha->rsp_ring_index = 0; 1123 1124 /* Initialize response queue entries */ 1125 qla2x00_init_response_q_entries(ha); 1126 1127 ha->isp_ops.config_rings(ha); 1128 1129 spin_unlock_irqrestore(&ha->hardware_lock, flags); 1130 1131 /* Update any ISP specific firmware options before initialization. */ 1132 ha->isp_ops.update_fw_options(ha); 1133 1134 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no)); 1135 rval = qla2x00_init_firmware(ha, ha->init_cb_size); 1136 if (rval) { 1137 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n", 1138 ha->host_no)); 1139 } else { 1140 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n", 1141 ha->host_no)); 1142 } 1143 1144 return (rval); 1145 } 1146 1147 /** 1148 * qla2x00_fw_ready() - Waits for firmware ready. 1149 * @ha: HA context 1150 * 1151 * Returns 0 on success. 1152 */ 1153 static int 1154 qla2x00_fw_ready(scsi_qla_host_t *ha) 1155 { 1156 int rval; 1157 unsigned long wtime, mtime; 1158 uint16_t min_wait; /* Minimum wait time if loop is down */ 1159 uint16_t wait_time; /* Wait time if loop is coming ready */ 1160 uint16_t fw_state; 1161 1162 rval = QLA_SUCCESS; 1163 1164 /* 20 seconds for loop down. */ 1165 min_wait = 20; 1166 1167 /* 1168 * Firmware should take at most one RATOV to login, plus 5 seconds for 1169 * our own processing. 1170 */ 1171 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 1172 wait_time = min_wait; 1173 } 1174 1175 /* Min wait time if loop down */ 1176 mtime = jiffies + (min_wait * HZ); 1177 1178 /* wait time before firmware ready */ 1179 wtime = jiffies + (wait_time * HZ); 1180 1181 /* Wait for ISP to finish LIP */ 1182 if (!ha->flags.init_done) 1183 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n"); 1184 1185 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n", 1186 ha->host_no)); 1187 1188 do { 1189 rval = qla2x00_get_firmware_state(ha, &fw_state); 1190 if (rval == QLA_SUCCESS) { 1191 if (fw_state < FSTATE_LOSS_OF_SYNC) { 1192 ha->device_flags &= ~DFLG_NO_CABLE; 1193 } 1194 if (fw_state == FSTATE_READY) { 1195 DEBUG(printk("scsi(%ld): F/W Ready - OK \n", 1196 ha->host_no)); 1197 1198 qla2x00_get_retry_cnt(ha, &ha->retry_count, 1199 &ha->login_timeout, &ha->r_a_tov); 1200 1201 rval = QLA_SUCCESS; 1202 break; 1203 } 1204 1205 rval = QLA_FUNCTION_FAILED; 1206 1207 if (atomic_read(&ha->loop_down_timer) && 1208 fw_state != FSTATE_READY) { 1209 /* Loop down. Timeout on min_wait for states 1210 * other than Wait for Login. 1211 */ 1212 if (time_after_eq(jiffies, mtime)) { 1213 qla_printk(KERN_INFO, ha, 1214 "Cable is unplugged...\n"); 1215 1216 ha->device_flags |= DFLG_NO_CABLE; 1217 break; 1218 } 1219 } 1220 } else { 1221 /* Mailbox cmd failed. Timeout on min_wait. */ 1222 if (time_after_eq(jiffies, mtime)) 1223 break; 1224 } 1225 1226 if (time_after_eq(jiffies, wtime)) 1227 break; 1228 1229 /* Delay for a while */ 1230 msleep(500); 1231 1232 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1233 ha->host_no, fw_state, jiffies)); 1234 } while (1); 1235 1236 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n", 1237 ha->host_no, fw_state, jiffies)); 1238 1239 if (rval) { 1240 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n", 1241 ha->host_no)); 1242 } 1243 1244 return (rval); 1245 } 1246 1247 /* 1248 * qla2x00_configure_hba 1249 * Setup adapter context. 1250 * 1251 * Input: 1252 * ha = adapter state pointer. 1253 * 1254 * Returns: 1255 * 0 = success 1256 * 1257 * Context: 1258 * Kernel context. 1259 */ 1260 static int 1261 qla2x00_configure_hba(scsi_qla_host_t *ha) 1262 { 1263 int rval; 1264 uint16_t loop_id; 1265 uint16_t topo; 1266 uint8_t al_pa; 1267 uint8_t area; 1268 uint8_t domain; 1269 char connect_type[22]; 1270 1271 /* Get host addresses. */ 1272 rval = qla2x00_get_adapter_id(ha, 1273 &loop_id, &al_pa, &area, &domain, &topo); 1274 if (rval != QLA_SUCCESS) { 1275 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) || 1276 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { 1277 DEBUG2(printk("%s(%ld) Loop is in a transition state\n", 1278 __func__, ha->host_no)); 1279 } else { 1280 qla_printk(KERN_WARNING, ha, 1281 "ERROR -- Unable to get host loop ID.\n"); 1282 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 1283 } 1284 return (rval); 1285 } 1286 1287 if (topo == 4) { 1288 qla_printk(KERN_INFO, ha, 1289 "Cannot get topology - retrying.\n"); 1290 return (QLA_FUNCTION_FAILED); 1291 } 1292 1293 ha->loop_id = loop_id; 1294 1295 /* initialize */ 1296 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 1297 ha->operating_mode = LOOP; 1298 1299 switch (topo) { 1300 case 0: 1301 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n", 1302 ha->host_no)); 1303 ha->current_topology = ISP_CFG_NL; 1304 strcpy(connect_type, "(Loop)"); 1305 break; 1306 1307 case 1: 1308 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n", 1309 ha->host_no)); 1310 ha->current_topology = ISP_CFG_FL; 1311 strcpy(connect_type, "(FL_Port)"); 1312 break; 1313 1314 case 2: 1315 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n", 1316 ha->host_no)); 1317 ha->operating_mode = P2P; 1318 ha->current_topology = ISP_CFG_N; 1319 strcpy(connect_type, "(N_Port-to-N_Port)"); 1320 break; 1321 1322 case 3: 1323 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n", 1324 ha->host_no)); 1325 ha->operating_mode = P2P; 1326 ha->current_topology = ISP_CFG_F; 1327 strcpy(connect_type, "(F_Port)"); 1328 break; 1329 1330 default: 1331 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. " 1332 "Using NL.\n", 1333 ha->host_no, topo)); 1334 ha->current_topology = ISP_CFG_NL; 1335 strcpy(connect_type, "(Loop)"); 1336 break; 1337 } 1338 1339 /* Save Host port and loop ID. */ 1340 /* byte order - Big Endian */ 1341 ha->d_id.b.domain = domain; 1342 ha->d_id.b.area = area; 1343 ha->d_id.b.al_pa = al_pa; 1344 1345 if (!ha->flags.init_done) 1346 qla_printk(KERN_INFO, ha, 1347 "Topology - %s, Host Loop address 0x%x\n", 1348 connect_type, ha->loop_id); 1349 1350 if (rval) { 1351 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no)); 1352 } else { 1353 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no)); 1354 } 1355 1356 return(rval); 1357 } 1358 1359 static inline void 1360 qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def) 1361 { 1362 char *st, *en; 1363 uint16_t index; 1364 1365 if (memcmp(model, BINZERO, len) != 0) { 1366 strncpy(ha->model_number, model, len); 1367 st = en = ha->model_number; 1368 en += len - 1; 1369 while (en > st) { 1370 if (*en != 0x20 && *en != 0x00) 1371 break; 1372 *en-- = '\0'; 1373 } 1374 1375 index = (ha->pdev->subsystem_device & 0xff); 1376 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 1377 index < QLA_MODEL_NAMES) 1378 ha->model_desc = qla2x00_model_name[index * 2 + 1]; 1379 } else { 1380 index = (ha->pdev->subsystem_device & 0xff); 1381 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 1382 index < QLA_MODEL_NAMES) { 1383 strcpy(ha->model_number, 1384 qla2x00_model_name[index * 2]); 1385 ha->model_desc = qla2x00_model_name[index * 2 + 1]; 1386 } else { 1387 strcpy(ha->model_number, def); 1388 } 1389 } 1390 } 1391 1392 /* On sparc systems, obtain port and node WWN from firmware 1393 * properties. 1394 */ 1395 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv) 1396 { 1397 #ifdef CONFIG_SPARC 1398 struct pci_dev *pdev = ha->pdev; 1399 struct device_node *dp = pci_device_to_OF_node(pdev); 1400 const u8 *val; 1401 int len; 1402 1403 val = of_get_property(dp, "port-wwn", &len); 1404 if (val && len >= WWN_SIZE) 1405 memcpy(nv->port_name, val, WWN_SIZE); 1406 1407 val = of_get_property(dp, "node-wwn", &len); 1408 if (val && len >= WWN_SIZE) 1409 memcpy(nv->node_name, val, WWN_SIZE); 1410 #endif 1411 } 1412 1413 /* 1414 * NVRAM configuration for ISP 2xxx 1415 * 1416 * Input: 1417 * ha = adapter block pointer. 1418 * 1419 * Output: 1420 * initialization control block in response_ring 1421 * host adapters parameters in host adapter block 1422 * 1423 * Returns: 1424 * 0 = success. 1425 */ 1426 int 1427 qla2x00_nvram_config(scsi_qla_host_t *ha) 1428 { 1429 int rval; 1430 uint8_t chksum = 0; 1431 uint16_t cnt; 1432 uint8_t *dptr1, *dptr2; 1433 init_cb_t *icb = ha->init_cb; 1434 nvram_t *nv = (nvram_t *)ha->request_ring; 1435 uint8_t *ptr = (uint8_t *)ha->request_ring; 1436 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1437 1438 rval = QLA_SUCCESS; 1439 1440 /* Determine NVRAM starting address. */ 1441 ha->nvram_size = sizeof(nvram_t); 1442 ha->nvram_base = 0; 1443 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 1444 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1) 1445 ha->nvram_base = 0x80; 1446 1447 /* Get NVRAM data and calculate checksum. */ 1448 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size); 1449 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 1450 chksum += *ptr++; 1451 1452 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 1453 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, 1454 ha->nvram_size)); 1455 1456 /* Bad NVRAM data, set defaults parameters. */ 1457 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || 1458 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) { 1459 /* Reset NVRAM data. */ 1460 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 1461 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 1462 nv->nvram_version); 1463 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 1464 "invalid -- WWPN) defaults.\n"); 1465 1466 /* 1467 * Set default initialization control block. 1468 */ 1469 memset(nv, 0, ha->nvram_size); 1470 nv->parameter_block_version = ICB_VERSION; 1471 1472 if (IS_QLA23XX(ha)) { 1473 nv->firmware_options[0] = BIT_2 | BIT_1; 1474 nv->firmware_options[1] = BIT_7 | BIT_5; 1475 nv->add_firmware_options[0] = BIT_5; 1476 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1477 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1478 nv->special_options[1] = BIT_7; 1479 } else if (IS_QLA2200(ha)) { 1480 nv->firmware_options[0] = BIT_2 | BIT_1; 1481 nv->firmware_options[1] = BIT_7 | BIT_5; 1482 nv->add_firmware_options[0] = BIT_5; 1483 nv->add_firmware_options[1] = BIT_5 | BIT_4; 1484 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1485 } else if (IS_QLA2100(ha)) { 1486 nv->firmware_options[0] = BIT_3 | BIT_1; 1487 nv->firmware_options[1] = BIT_5; 1488 nv->frame_payload_size = __constant_cpu_to_le16(1024); 1489 } 1490 1491 nv->max_iocb_allocation = __constant_cpu_to_le16(256); 1492 nv->execution_throttle = __constant_cpu_to_le16(16); 1493 nv->retry_count = 8; 1494 nv->retry_delay = 1; 1495 1496 nv->port_name[0] = 33; 1497 nv->port_name[3] = 224; 1498 nv->port_name[4] = 139; 1499 1500 qla2xxx_nvram_wwn_from_ofw(ha, nv); 1501 1502 nv->login_timeout = 4; 1503 1504 /* 1505 * Set default host adapter parameters 1506 */ 1507 nv->host_p[1] = BIT_2; 1508 nv->reset_delay = 5; 1509 nv->port_down_retry_count = 8; 1510 nv->max_luns_per_target = __constant_cpu_to_le16(8); 1511 nv->link_down_timeout = 60; 1512 1513 rval = 1; 1514 } 1515 1516 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2) 1517 /* 1518 * The SN2 does not provide BIOS emulation which means you can't change 1519 * potentially bogus BIOS settings. Force the use of default settings 1520 * for link rate and frame size. Hope that the rest of the settings 1521 * are valid. 1522 */ 1523 if (ia64_platform_is("sn2")) { 1524 nv->frame_payload_size = __constant_cpu_to_le16(2048); 1525 if (IS_QLA23XX(ha)) 1526 nv->special_options[1] = BIT_7; 1527 } 1528 #endif 1529 1530 /* Reset Initialization control block */ 1531 memset(icb, 0, ha->init_cb_size); 1532 1533 /* 1534 * Setup driver NVRAM options. 1535 */ 1536 nv->firmware_options[0] |= (BIT_6 | BIT_1); 1537 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 1538 nv->firmware_options[1] |= (BIT_5 | BIT_0); 1539 nv->firmware_options[1] &= ~BIT_4; 1540 1541 if (IS_QLA23XX(ha)) { 1542 nv->firmware_options[0] |= BIT_2; 1543 nv->firmware_options[0] &= ~BIT_3; 1544 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 1545 1546 if (IS_QLA2300(ha)) { 1547 if (ha->fb_rev == FPM_2310) { 1548 strcpy(ha->model_number, "QLA2310"); 1549 } else { 1550 strcpy(ha->model_number, "QLA2300"); 1551 } 1552 } else { 1553 qla2x00_set_model_info(ha, nv->model_number, 1554 sizeof(nv->model_number), "QLA23xx"); 1555 } 1556 } else if (IS_QLA2200(ha)) { 1557 nv->firmware_options[0] |= BIT_2; 1558 /* 1559 * 'Point-to-point preferred, else loop' is not a safe 1560 * connection mode setting. 1561 */ 1562 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 1563 (BIT_5 | BIT_4)) { 1564 /* Force 'loop preferred, else point-to-point'. */ 1565 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 1566 nv->add_firmware_options[0] |= BIT_5; 1567 } 1568 strcpy(ha->model_number, "QLA22xx"); 1569 } else /*if (IS_QLA2100(ha))*/ { 1570 strcpy(ha->model_number, "QLA2100"); 1571 } 1572 1573 /* 1574 * Copy over NVRAM RISC parameter block to initialization control block. 1575 */ 1576 dptr1 = (uint8_t *)icb; 1577 dptr2 = (uint8_t *)&nv->parameter_block_version; 1578 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 1579 while (cnt--) 1580 *dptr1++ = *dptr2++; 1581 1582 /* Copy 2nd half. */ 1583 dptr1 = (uint8_t *)icb->add_firmware_options; 1584 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 1585 while (cnt--) 1586 *dptr1++ = *dptr2++; 1587 1588 /* Use alternate WWN? */ 1589 if (nv->host_p[1] & BIT_7) { 1590 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 1591 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 1592 } 1593 1594 /* Prepare nodename */ 1595 if ((icb->firmware_options[1] & BIT_6) == 0) { 1596 /* 1597 * Firmware will apply the following mask if the nodename was 1598 * not provided. 1599 */ 1600 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 1601 icb->node_name[0] &= 0xF0; 1602 } 1603 1604 /* 1605 * Set host adapter parameters. 1606 */ 1607 if (nv->host_p[0] & BIT_7) 1608 ql2xextended_error_logging = 1; 1609 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 1610 /* Always load RISC code on non ISP2[12]00 chips. */ 1611 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 1612 ha->flags.disable_risc_code_load = 0; 1613 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 1614 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 1615 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 1616 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; 1617 ha->flags.disable_serdes = 0; 1618 1619 ha->operating_mode = 1620 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 1621 1622 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 1623 sizeof(ha->fw_seriallink_options)); 1624 1625 /* save HBA serial number */ 1626 ha->serial0 = icb->port_name[5]; 1627 ha->serial1 = icb->port_name[6]; 1628 ha->serial2 = icb->port_name[7]; 1629 ha->node_name = icb->node_name; 1630 ha->port_name = icb->port_name; 1631 1632 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 1633 1634 ha->retry_count = nv->retry_count; 1635 1636 /* Set minimum login_timeout to 4 seconds. */ 1637 if (nv->login_timeout < ql2xlogintimeout) 1638 nv->login_timeout = ql2xlogintimeout; 1639 if (nv->login_timeout < 4) 1640 nv->login_timeout = 4; 1641 ha->login_timeout = nv->login_timeout; 1642 icb->login_timeout = nv->login_timeout; 1643 1644 /* Set minimum RATOV to 200 tenths of a second. */ 1645 ha->r_a_tov = 200; 1646 1647 ha->loop_reset_delay = nv->reset_delay; 1648 1649 /* Link Down Timeout = 0: 1650 * 1651 * When Port Down timer expires we will start returning 1652 * I/O's to OS with "DID_NO_CONNECT". 1653 * 1654 * Link Down Timeout != 0: 1655 * 1656 * The driver waits for the link to come up after link down 1657 * before returning I/Os to OS with "DID_NO_CONNECT". 1658 */ 1659 if (nv->link_down_timeout == 0) { 1660 ha->loop_down_abort_time = 1661 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 1662 } else { 1663 ha->link_down_timeout = nv->link_down_timeout; 1664 ha->loop_down_abort_time = 1665 (LOOP_DOWN_TIME - ha->link_down_timeout); 1666 } 1667 1668 /* 1669 * Need enough time to try and get the port back. 1670 */ 1671 ha->port_down_retry_count = nv->port_down_retry_count; 1672 if (qlport_down_retry) 1673 ha->port_down_retry_count = qlport_down_retry; 1674 /* Set login_retry_count */ 1675 ha->login_retry_count = nv->retry_count; 1676 if (ha->port_down_retry_count == nv->port_down_retry_count && 1677 ha->port_down_retry_count > 3) 1678 ha->login_retry_count = ha->port_down_retry_count; 1679 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 1680 ha->login_retry_count = ha->port_down_retry_count; 1681 if (ql2xloginretrycount) 1682 ha->login_retry_count = ql2xloginretrycount; 1683 1684 icb->lun_enables = __constant_cpu_to_le16(0); 1685 icb->command_resource_count = 0; 1686 icb->immediate_notify_resource_count = 0; 1687 icb->timeout = __constant_cpu_to_le16(0); 1688 1689 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 1690 /* Enable RIO */ 1691 icb->firmware_options[0] &= ~BIT_3; 1692 icb->add_firmware_options[0] &= 1693 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1694 icb->add_firmware_options[0] |= BIT_2; 1695 icb->response_accumulation_timer = 3; 1696 icb->interrupt_delay_timer = 5; 1697 1698 ha->flags.process_response_queue = 1; 1699 } else { 1700 /* Enable ZIO. */ 1701 if (!ha->flags.init_done) { 1702 ha->zio_mode = icb->add_firmware_options[0] & 1703 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 1704 ha->zio_timer = icb->interrupt_delay_timer ? 1705 icb->interrupt_delay_timer: 2; 1706 } 1707 icb->add_firmware_options[0] &= 1708 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 1709 ha->flags.process_response_queue = 0; 1710 if (ha->zio_mode != QLA_ZIO_DISABLED) { 1711 ha->zio_mode = QLA_ZIO_MODE_6; 1712 1713 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer " 1714 "delay (%d us).\n", ha->host_no, ha->zio_mode, 1715 ha->zio_timer * 100)); 1716 qla_printk(KERN_INFO, ha, 1717 "ZIO mode %d enabled; timer delay (%d us).\n", 1718 ha->zio_mode, ha->zio_timer * 100); 1719 1720 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; 1721 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; 1722 ha->flags.process_response_queue = 1; 1723 } 1724 } 1725 1726 if (rval) { 1727 DEBUG2_3(printk(KERN_WARNING 1728 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 1729 } 1730 return (rval); 1731 } 1732 1733 static void 1734 qla2x00_rport_del(void *data) 1735 { 1736 fc_port_t *fcport = data; 1737 struct fc_rport *rport; 1738 unsigned long flags; 1739 1740 spin_lock_irqsave(&fcport->rport_lock, flags); 1741 rport = fcport->drport; 1742 fcport->drport = NULL; 1743 spin_unlock_irqrestore(&fcport->rport_lock, flags); 1744 if (rport) 1745 fc_remote_port_delete(rport); 1746 1747 } 1748 1749 /** 1750 * qla2x00_alloc_fcport() - Allocate a generic fcport. 1751 * @ha: HA context 1752 * @flags: allocation flags 1753 * 1754 * Returns a pointer to the allocated fcport, or NULL, if none available. 1755 */ 1756 static fc_port_t * 1757 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags) 1758 { 1759 fc_port_t *fcport; 1760 1761 fcport = kmalloc(sizeof(fc_port_t), flags); 1762 if (fcport == NULL) 1763 return (fcport); 1764 1765 /* Setup fcport template structure. */ 1766 memset(fcport, 0, sizeof (fc_port_t)); 1767 fcport->ha = ha; 1768 fcport->port_type = FCT_UNKNOWN; 1769 fcport->loop_id = FC_NO_LOOP_ID; 1770 atomic_set(&fcport->state, FCS_UNCONFIGURED); 1771 fcport->flags = FCF_RLC_SUPPORT; 1772 fcport->supported_classes = FC_COS_UNSPECIFIED; 1773 spin_lock_init(&fcport->rport_lock); 1774 1775 return (fcport); 1776 } 1777 1778 /* 1779 * qla2x00_configure_loop 1780 * Updates Fibre Channel Device Database with what is actually on loop. 1781 * 1782 * Input: 1783 * ha = adapter block pointer. 1784 * 1785 * Returns: 1786 * 0 = success. 1787 * 1 = error. 1788 * 2 = database was full and device was not configured. 1789 */ 1790 static int 1791 qla2x00_configure_loop(scsi_qla_host_t *ha) 1792 { 1793 int rval; 1794 unsigned long flags, save_flags; 1795 1796 rval = QLA_SUCCESS; 1797 1798 /* Get Initiator ID */ 1799 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) { 1800 rval = qla2x00_configure_hba(ha); 1801 if (rval != QLA_SUCCESS) { 1802 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n", 1803 ha->host_no)); 1804 return (rval); 1805 } 1806 } 1807 1808 save_flags = flags = ha->dpc_flags; 1809 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n", 1810 ha->host_no, flags)); 1811 1812 /* 1813 * If we have both an RSCN and PORT UPDATE pending then handle them 1814 * both at the same time. 1815 */ 1816 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1817 clear_bit(RSCN_UPDATE, &ha->dpc_flags); 1818 1819 /* Determine what we need to do */ 1820 if (ha->current_topology == ISP_CFG_FL && 1821 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1822 1823 ha->flags.rscn_queue_overflow = 1; 1824 set_bit(RSCN_UPDATE, &flags); 1825 1826 } else if (ha->current_topology == ISP_CFG_F && 1827 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 1828 1829 ha->flags.rscn_queue_overflow = 1; 1830 set_bit(RSCN_UPDATE, &flags); 1831 clear_bit(LOCAL_LOOP_UPDATE, &flags); 1832 1833 } else if (ha->current_topology == ISP_CFG_N) { 1834 clear_bit(RSCN_UPDATE, &flags); 1835 1836 } else if (!ha->flags.online || 1837 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 1838 1839 ha->flags.rscn_queue_overflow = 1; 1840 set_bit(RSCN_UPDATE, &flags); 1841 set_bit(LOCAL_LOOP_UPDATE, &flags); 1842 } 1843 1844 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 1845 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1846 rval = QLA_FUNCTION_FAILED; 1847 } else { 1848 rval = qla2x00_configure_local_loop(ha); 1849 } 1850 } 1851 1852 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 1853 if (LOOP_TRANSITION(ha)) { 1854 rval = QLA_FUNCTION_FAILED; 1855 } else { 1856 rval = qla2x00_configure_fabric(ha); 1857 } 1858 } 1859 1860 if (rval == QLA_SUCCESS) { 1861 if (atomic_read(&ha->loop_down_timer) || 1862 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1863 rval = QLA_FUNCTION_FAILED; 1864 } else { 1865 atomic_set(&ha->loop_state, LOOP_READY); 1866 1867 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no)); 1868 } 1869 } 1870 1871 if (rval) { 1872 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n", 1873 __func__, ha->host_no)); 1874 } else { 1875 DEBUG3(printk("%s: exiting normally\n", __func__)); 1876 } 1877 1878 /* Restore state if a resync event occured during processing */ 1879 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 1880 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 1881 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1882 if (test_bit(RSCN_UPDATE, &save_flags)) 1883 set_bit(RSCN_UPDATE, &ha->dpc_flags); 1884 } 1885 1886 return (rval); 1887 } 1888 1889 1890 1891 /* 1892 * qla2x00_configure_local_loop 1893 * Updates Fibre Channel Device Database with local loop devices. 1894 * 1895 * Input: 1896 * ha = adapter block pointer. 1897 * 1898 * Returns: 1899 * 0 = success. 1900 */ 1901 static int 1902 qla2x00_configure_local_loop(scsi_qla_host_t *ha) 1903 { 1904 int rval, rval2; 1905 int found_devs; 1906 int found; 1907 fc_port_t *fcport, *new_fcport; 1908 1909 uint16_t index; 1910 uint16_t entries; 1911 char *id_iter; 1912 uint16_t loop_id; 1913 uint8_t domain, area, al_pa; 1914 1915 found_devs = 0; 1916 new_fcport = NULL; 1917 entries = MAX_FIBRE_DEVICES; 1918 1919 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no)); 1920 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL)); 1921 1922 /* Get list of logged in devices. */ 1923 memset(ha->gid_list, 0, GID_LIST_SIZE); 1924 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma, 1925 &entries); 1926 if (rval != QLA_SUCCESS) 1927 goto cleanup_allocation; 1928 1929 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n", 1930 ha->host_no, entries)); 1931 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list, 1932 entries * sizeof(struct gid_list_info))); 1933 1934 /* Allocate temporary fcport for any new fcports discovered. */ 1935 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 1936 if (new_fcport == NULL) { 1937 rval = QLA_MEMORY_ALLOC_FAILED; 1938 goto cleanup_allocation; 1939 } 1940 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 1941 1942 /* 1943 * Mark local devices that were present with FCF_DEVICE_LOST for now. 1944 */ 1945 list_for_each_entry(fcport, &ha->fcports, list) { 1946 if (atomic_read(&fcport->state) == FCS_ONLINE && 1947 fcport->port_type != FCT_BROADCAST && 1948 (fcport->flags & FCF_FABRIC_DEVICE) == 0) { 1949 1950 DEBUG(printk("scsi(%ld): Marking port lost, " 1951 "loop_id=0x%04x\n", 1952 ha->host_no, fcport->loop_id)); 1953 1954 atomic_set(&fcport->state, FCS_DEVICE_LOST); 1955 fcport->flags &= ~FCF_FARP_DONE; 1956 } 1957 } 1958 1959 /* Add devices to port list. */ 1960 id_iter = (char *)ha->gid_list; 1961 for (index = 0; index < entries; index++) { 1962 domain = ((struct gid_list_info *)id_iter)->domain; 1963 area = ((struct gid_list_info *)id_iter)->area; 1964 al_pa = ((struct gid_list_info *)id_iter)->al_pa; 1965 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 1966 loop_id = (uint16_t) 1967 ((struct gid_list_info *)id_iter)->loop_id_2100; 1968 else 1969 loop_id = le16_to_cpu( 1970 ((struct gid_list_info *)id_iter)->loop_id); 1971 id_iter += ha->gid_list_info_size; 1972 1973 /* Bypass reserved domain fields. */ 1974 if ((domain & 0xf0) == 0xf0) 1975 continue; 1976 1977 /* Bypass if not same domain and area of adapter. */ 1978 if (area && domain && 1979 (area != ha->d_id.b.area || domain != ha->d_id.b.domain)) 1980 continue; 1981 1982 /* Bypass invalid local loop ID. */ 1983 if (loop_id > LAST_LOCAL_LOOP_ID) 1984 continue; 1985 1986 /* Fill in member data. */ 1987 new_fcport->d_id.b.domain = domain; 1988 new_fcport->d_id.b.area = area; 1989 new_fcport->d_id.b.al_pa = al_pa; 1990 new_fcport->loop_id = loop_id; 1991 rval2 = qla2x00_get_port_database(ha, new_fcport, 0); 1992 if (rval2 != QLA_SUCCESS) { 1993 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport " 1994 "information -- get_port_database=%x, " 1995 "loop_id=0x%04x\n", 1996 ha->host_no, rval2, new_fcport->loop_id)); 1997 DEBUG2(printk("scsi(%ld): Scheduling resync...\n", 1998 ha->host_no)); 1999 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 2000 continue; 2001 } 2002 2003 /* Check for matching device in port list. */ 2004 found = 0; 2005 fcport = NULL; 2006 list_for_each_entry(fcport, &ha->fcports, list) { 2007 if (memcmp(new_fcport->port_name, fcport->port_name, 2008 WWN_SIZE)) 2009 continue; 2010 2011 fcport->flags &= ~(FCF_FABRIC_DEVICE | 2012 FCF_PERSISTENT_BOUND); 2013 fcport->loop_id = new_fcport->loop_id; 2014 fcport->port_type = new_fcport->port_type; 2015 fcport->d_id.b24 = new_fcport->d_id.b24; 2016 memcpy(fcport->node_name, new_fcport->node_name, 2017 WWN_SIZE); 2018 2019 found++; 2020 break; 2021 } 2022 2023 if (!found) { 2024 /* New device, add to fcports list. */ 2025 new_fcport->flags &= ~FCF_PERSISTENT_BOUND; 2026 list_add_tail(&new_fcport->list, &ha->fcports); 2027 2028 /* Allocate a new replacement fcport. */ 2029 fcport = new_fcport; 2030 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2031 if (new_fcport == NULL) { 2032 rval = QLA_MEMORY_ALLOC_FAILED; 2033 goto cleanup_allocation; 2034 } 2035 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 2036 } 2037 2038 /* Base iIDMA settings on HBA port speed. */ 2039 switch (ha->link_data_rate) { 2040 case PORT_SPEED_1GB: 2041 fcport->fp_speed = cpu_to_be16(BIT_15); 2042 break; 2043 case PORT_SPEED_2GB: 2044 fcport->fp_speed = cpu_to_be16(BIT_14); 2045 break; 2046 case PORT_SPEED_4GB: 2047 fcport->fp_speed = cpu_to_be16(BIT_13); 2048 break; 2049 } 2050 2051 qla2x00_update_fcport(ha, fcport); 2052 2053 found_devs++; 2054 } 2055 2056 cleanup_allocation: 2057 kfree(new_fcport); 2058 2059 if (rval != QLA_SUCCESS) { 2060 DEBUG2(printk("scsi(%ld): Configure local loop error exit: " 2061 "rval=%x\n", ha->host_no, rval)); 2062 } 2063 2064 if (found_devs) { 2065 ha->device_flags |= DFLG_LOCAL_DEVICES; 2066 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES; 2067 } 2068 2069 return (rval); 2070 } 2071 2072 static void 2073 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha) 2074 { 2075 fc_port_t *fcport; 2076 2077 qla2x00_mark_all_devices_lost(ha, 0); 2078 list_for_each_entry(fcport, &ha->fcports, list) { 2079 if (fcport->port_type != FCT_TARGET) 2080 continue; 2081 2082 qla2x00_update_fcport(ha, fcport); 2083 } 2084 } 2085 2086 static void 2087 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2088 { 2089 #define LS_UNKNOWN 2 2090 static char *link_speeds[5] = { "1", "2", "?", "4" }; 2091 int rval; 2092 uint16_t port_speed, mb[6]; 2093 2094 if (!IS_QLA24XX(ha)) 2095 return; 2096 2097 switch (be16_to_cpu(fcport->fp_speed)) { 2098 case BIT_15: 2099 port_speed = PORT_SPEED_1GB; 2100 break; 2101 case BIT_14: 2102 port_speed = PORT_SPEED_2GB; 2103 break; 2104 case BIT_13: 2105 port_speed = PORT_SPEED_4GB; 2106 break; 2107 default: 2108 DEBUG2(printk("scsi(%ld): %02x%02x%02x%02x%02x%02x%02x%02x -- " 2109 "unsupported FM port operating speed (%04x).\n", 2110 ha->host_no, fcport->port_name[0], fcport->port_name[1], 2111 fcport->port_name[2], fcport->port_name[3], 2112 fcport->port_name[4], fcport->port_name[5], 2113 fcport->port_name[6], fcport->port_name[7], 2114 be16_to_cpu(fcport->fp_speed))); 2115 port_speed = PORT_SPEED_UNKNOWN; 2116 break; 2117 } 2118 if (port_speed == PORT_SPEED_UNKNOWN) 2119 return; 2120 2121 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, port_speed, mb); 2122 if (rval != QLA_SUCCESS) { 2123 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA " 2124 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n", 2125 ha->host_no, fcport->port_name[0], fcport->port_name[1], 2126 fcport->port_name[2], fcport->port_name[3], 2127 fcport->port_name[4], fcport->port_name[5], 2128 fcport->port_name[6], fcport->port_name[7], rval, 2129 port_speed, mb[0], mb[1])); 2130 } else { 2131 DEBUG2(qla_printk(KERN_INFO, ha, 2132 "iIDMA adjusted to %s GB/s on " 2133 "%02x%02x%02x%02x%02x%02x%02x%02x.\n", 2134 link_speeds[port_speed], fcport->port_name[0], 2135 fcport->port_name[1], fcport->port_name[2], 2136 fcport->port_name[3], fcport->port_name[4], 2137 fcport->port_name[5], fcport->port_name[6], 2138 fcport->port_name[7])); 2139 } 2140 } 2141 2142 static void 2143 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport) 2144 { 2145 struct fc_rport_identifiers rport_ids; 2146 struct fc_rport *rport; 2147 unsigned long flags; 2148 2149 if (fcport->drport) 2150 qla2x00_rport_del(fcport); 2151 if (fcport->rport) 2152 return; 2153 2154 rport_ids.node_name = wwn_to_u64(fcport->node_name); 2155 rport_ids.port_name = wwn_to_u64(fcport->port_name); 2156 rport_ids.port_id = fcport->d_id.b.domain << 16 | 2157 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 2158 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2159 rport = fc_remote_port_add(ha->host, 0, &rport_ids); 2160 if (!rport) { 2161 qla_printk(KERN_WARNING, ha, 2162 "Unable to allocate fc remote port!\n"); 2163 return; 2164 } 2165 spin_lock_irqsave(&fcport->rport_lock, flags); 2166 fcport->rport = rport; 2167 *((fc_port_t **)rport->dd_data) = fcport; 2168 spin_unlock_irqrestore(&fcport->rport_lock, flags); 2169 2170 rport->supported_classes = fcport->supported_classes; 2171 2172 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 2173 if (fcport->port_type == FCT_INITIATOR) 2174 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR; 2175 if (fcport->port_type == FCT_TARGET) 2176 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET; 2177 fc_remote_port_rolechg(rport, rport_ids.roles); 2178 2179 if (rport->scsi_target_id != -1 && 2180 rport->scsi_target_id < ha->host->max_id) 2181 fcport->os_target_id = rport->scsi_target_id; 2182 } 2183 2184 /* 2185 * qla2x00_update_fcport 2186 * Updates device on list. 2187 * 2188 * Input: 2189 * ha = adapter block pointer. 2190 * fcport = port structure pointer. 2191 * 2192 * Return: 2193 * 0 - Success 2194 * BIT_0 - error 2195 * 2196 * Context: 2197 * Kernel context. 2198 */ 2199 void 2200 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport) 2201 { 2202 fcport->ha = ha; 2203 fcport->login_retry = 0; 2204 fcport->port_login_retry_count = ha->port_down_retry_count * 2205 PORT_RETRY_TIME; 2206 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count * 2207 PORT_RETRY_TIME); 2208 fcport->flags &= ~FCF_LOGIN_NEEDED; 2209 2210 qla2x00_iidma_fcport(ha, fcport); 2211 2212 atomic_set(&fcport->state, FCS_ONLINE); 2213 2214 qla2x00_reg_remote_port(ha, fcport); 2215 } 2216 2217 /* 2218 * qla2x00_configure_fabric 2219 * Setup SNS devices with loop ID's. 2220 * 2221 * Input: 2222 * ha = adapter block pointer. 2223 * 2224 * Returns: 2225 * 0 = success. 2226 * BIT_0 = error 2227 */ 2228 static int 2229 qla2x00_configure_fabric(scsi_qla_host_t *ha) 2230 { 2231 int rval, rval2; 2232 fc_port_t *fcport, *fcptemp; 2233 uint16_t next_loopid; 2234 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2235 uint16_t loop_id; 2236 LIST_HEAD(new_fcports); 2237 2238 /* If FL port exists, then SNS is present */ 2239 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) 2240 loop_id = NPH_F_PORT; 2241 else 2242 loop_id = SNS_FL_PORT; 2243 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1); 2244 if (rval != QLA_SUCCESS) { 2245 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL " 2246 "Port\n", ha->host_no)); 2247 2248 ha->device_flags &= ~SWITCH_FOUND; 2249 return (QLA_SUCCESS); 2250 } 2251 ha->device_flags |= SWITCH_FOUND; 2252 2253 /* Mark devices that need re-synchronization. */ 2254 rval2 = qla2x00_device_resync(ha); 2255 if (rval2 == QLA_RSCNS_HANDLED) { 2256 /* No point doing the scan, just continue. */ 2257 return (QLA_SUCCESS); 2258 } 2259 do { 2260 /* FDMI support. */ 2261 if (ql2xfdmienable && 2262 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags)) 2263 qla2x00_fdmi_register(ha); 2264 2265 /* Ensure we are logged into the SNS. */ 2266 if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) 2267 loop_id = NPH_SNS; 2268 else 2269 loop_id = SIMPLE_NAME_SERVER; 2270 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff, 2271 0xfc, mb, BIT_1 | BIT_0); 2272 if (mb[0] != MBS_COMMAND_COMPLETE) { 2273 DEBUG2(qla_printk(KERN_INFO, ha, 2274 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 2275 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id, 2276 mb[0], mb[1], mb[2], mb[6], mb[7])); 2277 return (QLA_SUCCESS); 2278 } 2279 2280 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) { 2281 if (qla2x00_rft_id(ha)) { 2282 /* EMPTY */ 2283 DEBUG2(printk("scsi(%ld): Register FC-4 " 2284 "TYPE failed.\n", ha->host_no)); 2285 } 2286 if (qla2x00_rff_id(ha)) { 2287 /* EMPTY */ 2288 DEBUG2(printk("scsi(%ld): Register FC-4 " 2289 "Features failed.\n", ha->host_no)); 2290 } 2291 if (qla2x00_rnn_id(ha)) { 2292 /* EMPTY */ 2293 DEBUG2(printk("scsi(%ld): Register Node Name " 2294 "failed.\n", ha->host_no)); 2295 } else if (qla2x00_rsnn_nn(ha)) { 2296 /* EMPTY */ 2297 DEBUG2(printk("scsi(%ld): Register Symbolic " 2298 "Node Name failed.\n", ha->host_no)); 2299 } 2300 } 2301 2302 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports); 2303 if (rval != QLA_SUCCESS) 2304 break; 2305 2306 /* 2307 * Logout all previous fabric devices marked lost, except 2308 * tape devices. 2309 */ 2310 list_for_each_entry(fcport, &ha->fcports, list) { 2311 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2312 break; 2313 2314 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 2315 continue; 2316 2317 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 2318 qla2x00_mark_device_lost(ha, fcport, 2319 ql2xplogiabsentdevice, 0); 2320 if (fcport->loop_id != FC_NO_LOOP_ID && 2321 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2322 fcport->port_type != FCT_INITIATOR && 2323 fcport->port_type != FCT_BROADCAST) { 2324 ha->isp_ops.fabric_logout(ha, 2325 fcport->loop_id, 2326 fcport->d_id.b.domain, 2327 fcport->d_id.b.area, 2328 fcport->d_id.b.al_pa); 2329 fcport->loop_id = FC_NO_LOOP_ID; 2330 } 2331 } 2332 } 2333 2334 /* Starting free loop ID. */ 2335 next_loopid = ha->min_external_loopid; 2336 2337 /* 2338 * Scan through our port list and login entries that need to be 2339 * logged in. 2340 */ 2341 list_for_each_entry(fcport, &ha->fcports, list) { 2342 if (atomic_read(&ha->loop_down_timer) || 2343 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2344 break; 2345 2346 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2347 (fcport->flags & FCF_LOGIN_NEEDED) == 0) 2348 continue; 2349 2350 if (fcport->loop_id == FC_NO_LOOP_ID) { 2351 fcport->loop_id = next_loopid; 2352 rval = qla2x00_find_new_loop_id(ha, fcport); 2353 if (rval != QLA_SUCCESS) { 2354 /* Ran out of IDs to use */ 2355 break; 2356 } 2357 } 2358 /* Login and update database */ 2359 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2360 } 2361 2362 /* Exit if out of loop IDs. */ 2363 if (rval != QLA_SUCCESS) { 2364 break; 2365 } 2366 2367 /* 2368 * Login and add the new devices to our port list. 2369 */ 2370 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2371 if (atomic_read(&ha->loop_down_timer) || 2372 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) 2373 break; 2374 2375 /* Find a new loop ID to use. */ 2376 fcport->loop_id = next_loopid; 2377 rval = qla2x00_find_new_loop_id(ha, fcport); 2378 if (rval != QLA_SUCCESS) { 2379 /* Ran out of IDs to use */ 2380 break; 2381 } 2382 2383 /* Remove device from the new list and add it to DB */ 2384 list_move_tail(&fcport->list, &ha->fcports); 2385 2386 /* Login and update database */ 2387 qla2x00_fabric_dev_login(ha, fcport, &next_loopid); 2388 } 2389 } while (0); 2390 2391 /* Free all new device structures not processed. */ 2392 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) { 2393 list_del(&fcport->list); 2394 kfree(fcport); 2395 } 2396 2397 if (rval) { 2398 DEBUG2(printk("scsi(%ld): Configure fabric error exit: " 2399 "rval=%d\n", ha->host_no, rval)); 2400 } 2401 2402 return (rval); 2403 } 2404 2405 2406 /* 2407 * qla2x00_find_all_fabric_devs 2408 * 2409 * Input: 2410 * ha = adapter block pointer. 2411 * dev = database device entry pointer. 2412 * 2413 * Returns: 2414 * 0 = success. 2415 * 2416 * Context: 2417 * Kernel context. 2418 */ 2419 static int 2420 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports) 2421 { 2422 int rval; 2423 uint16_t loop_id; 2424 fc_port_t *fcport, *new_fcport, *fcptemp; 2425 int found; 2426 2427 sw_info_t *swl; 2428 int swl_idx; 2429 int first_dev, last_dev; 2430 port_id_t wrap, nxt_d_id; 2431 2432 rval = QLA_SUCCESS; 2433 2434 /* Try GID_PT to get device list, else GAN. */ 2435 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC); 2436 if (swl == NULL) { 2437 /*EMPTY*/ 2438 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2439 "on GA_NXT\n", ha->host_no)); 2440 } else { 2441 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES); 2442 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) { 2443 kfree(swl); 2444 swl = NULL; 2445 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) { 2446 kfree(swl); 2447 swl = NULL; 2448 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) { 2449 kfree(swl); 2450 swl = NULL; 2451 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) { 2452 qla2x00_gpsc(ha, swl); 2453 } 2454 } 2455 swl_idx = 0; 2456 2457 /* Allocate temporary fcport for any new fcports discovered. */ 2458 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2459 if (new_fcport == NULL) { 2460 kfree(swl); 2461 return (QLA_MEMORY_ALLOC_FAILED); 2462 } 2463 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2464 2465 /* Set start port ID scan at adapter ID. */ 2466 first_dev = 1; 2467 last_dev = 0; 2468 2469 /* Starting free loop ID. */ 2470 loop_id = ha->min_external_loopid; 2471 for (; loop_id <= ha->last_loop_id; loop_id++) { 2472 if (qla2x00_is_reserved_id(ha, loop_id)) 2473 continue; 2474 2475 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha)) 2476 break; 2477 2478 if (swl != NULL) { 2479 if (last_dev) { 2480 wrap.b24 = new_fcport->d_id.b24; 2481 } else { 2482 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 2483 memcpy(new_fcport->node_name, 2484 swl[swl_idx].node_name, WWN_SIZE); 2485 memcpy(new_fcport->port_name, 2486 swl[swl_idx].port_name, WWN_SIZE); 2487 memcpy(new_fcport->fabric_port_name, 2488 swl[swl_idx].fabric_port_name, WWN_SIZE); 2489 new_fcport->fp_speed = swl[swl_idx].fp_speed; 2490 2491 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 2492 last_dev = 1; 2493 } 2494 swl_idx++; 2495 } 2496 } else { 2497 /* Send GA_NXT to the switch */ 2498 rval = qla2x00_ga_nxt(ha, new_fcport); 2499 if (rval != QLA_SUCCESS) { 2500 qla_printk(KERN_WARNING, ha, 2501 "SNS scan failed -- assuming zero-entry " 2502 "result...\n"); 2503 list_for_each_entry_safe(fcport, fcptemp, 2504 new_fcports, list) { 2505 list_del(&fcport->list); 2506 kfree(fcport); 2507 } 2508 rval = QLA_SUCCESS; 2509 break; 2510 } 2511 } 2512 2513 /* If wrap on switch device list, exit. */ 2514 if (first_dev) { 2515 wrap.b24 = new_fcport->d_id.b24; 2516 first_dev = 0; 2517 } else if (new_fcport->d_id.b24 == wrap.b24) { 2518 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n", 2519 ha->host_no, new_fcport->d_id.b.domain, 2520 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa)); 2521 break; 2522 } 2523 2524 /* Bypass if host adapter. */ 2525 if (new_fcport->d_id.b24 == ha->d_id.b24) 2526 continue; 2527 2528 /* Bypass if same domain and area of adapter. */ 2529 if (((new_fcport->d_id.b24 & 0xffff00) == 2530 (ha->d_id.b24 & 0xffff00)) && ha->current_topology == 2531 ISP_CFG_FL) 2532 continue; 2533 2534 /* Bypass reserved domain fields. */ 2535 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 2536 continue; 2537 2538 /* Locate matching device in database. */ 2539 found = 0; 2540 list_for_each_entry(fcport, &ha->fcports, list) { 2541 if (memcmp(new_fcport->port_name, fcport->port_name, 2542 WWN_SIZE)) 2543 continue; 2544 2545 found++; 2546 2547 /* Update port state. */ 2548 memcpy(fcport->fabric_port_name, 2549 new_fcport->fabric_port_name, WWN_SIZE); 2550 fcport->fp_speed = new_fcport->fp_speed; 2551 2552 /* 2553 * If address the same and state FCS_ONLINE, nothing 2554 * changed. 2555 */ 2556 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 2557 atomic_read(&fcport->state) == FCS_ONLINE) { 2558 break; 2559 } 2560 2561 /* 2562 * If device was not a fabric device before. 2563 */ 2564 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 2565 fcport->d_id.b24 = new_fcport->d_id.b24; 2566 fcport->loop_id = FC_NO_LOOP_ID; 2567 fcport->flags |= (FCF_FABRIC_DEVICE | 2568 FCF_LOGIN_NEEDED); 2569 fcport->flags &= ~FCF_PERSISTENT_BOUND; 2570 break; 2571 } 2572 2573 /* 2574 * Port ID changed or device was marked to be updated; 2575 * Log it out if still logged in and mark it for 2576 * relogin later. 2577 */ 2578 fcport->d_id.b24 = new_fcport->d_id.b24; 2579 fcport->flags |= FCF_LOGIN_NEEDED; 2580 if (fcport->loop_id != FC_NO_LOOP_ID && 2581 (fcport->flags & FCF_TAPE_PRESENT) == 0 && 2582 fcport->port_type != FCT_INITIATOR && 2583 fcport->port_type != FCT_BROADCAST) { 2584 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2585 fcport->d_id.b.domain, fcport->d_id.b.area, 2586 fcport->d_id.b.al_pa); 2587 fcport->loop_id = FC_NO_LOOP_ID; 2588 } 2589 2590 break; 2591 } 2592 2593 if (found) 2594 continue; 2595 2596 /* If device was not in our fcports list, then add it. */ 2597 list_add_tail(&new_fcport->list, new_fcports); 2598 2599 /* Allocate a new replacement fcport. */ 2600 nxt_d_id.b24 = new_fcport->d_id.b24; 2601 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL); 2602 if (new_fcport == NULL) { 2603 kfree(swl); 2604 return (QLA_MEMORY_ALLOC_FAILED); 2605 } 2606 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 2607 new_fcport->d_id.b24 = nxt_d_id.b24; 2608 } 2609 2610 kfree(swl); 2611 kfree(new_fcport); 2612 2613 if (!list_empty(new_fcports)) 2614 ha->device_flags |= DFLG_FABRIC_DEVICES; 2615 2616 return (rval); 2617 } 2618 2619 /* 2620 * qla2x00_find_new_loop_id 2621 * Scan through our port list and find a new usable loop ID. 2622 * 2623 * Input: 2624 * ha: adapter state pointer. 2625 * dev: port structure pointer. 2626 * 2627 * Returns: 2628 * qla2x00 local function return status code. 2629 * 2630 * Context: 2631 * Kernel context. 2632 */ 2633 static int 2634 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev) 2635 { 2636 int rval; 2637 int found; 2638 fc_port_t *fcport; 2639 uint16_t first_loop_id; 2640 2641 rval = QLA_SUCCESS; 2642 2643 /* Save starting loop ID. */ 2644 first_loop_id = dev->loop_id; 2645 2646 for (;;) { 2647 /* Skip loop ID if already used by adapter. */ 2648 if (dev->loop_id == ha->loop_id) { 2649 dev->loop_id++; 2650 } 2651 2652 /* Skip reserved loop IDs. */ 2653 while (qla2x00_is_reserved_id(ha, dev->loop_id)) { 2654 dev->loop_id++; 2655 } 2656 2657 /* Reset loop ID if passed the end. */ 2658 if (dev->loop_id > ha->last_loop_id) { 2659 /* first loop ID. */ 2660 dev->loop_id = ha->min_external_loopid; 2661 } 2662 2663 /* Check for loop ID being already in use. */ 2664 found = 0; 2665 fcport = NULL; 2666 list_for_each_entry(fcport, &ha->fcports, list) { 2667 if (fcport->loop_id == dev->loop_id && fcport != dev) { 2668 /* ID possibly in use */ 2669 found++; 2670 break; 2671 } 2672 } 2673 2674 /* If not in use then it is free to use. */ 2675 if (!found) { 2676 break; 2677 } 2678 2679 /* ID in use. Try next value. */ 2680 dev->loop_id++; 2681 2682 /* If wrap around. No free ID to use. */ 2683 if (dev->loop_id == first_loop_id) { 2684 dev->loop_id = FC_NO_LOOP_ID; 2685 rval = QLA_FUNCTION_FAILED; 2686 break; 2687 } 2688 } 2689 2690 return (rval); 2691 } 2692 2693 /* 2694 * qla2x00_device_resync 2695 * Marks devices in the database that needs resynchronization. 2696 * 2697 * Input: 2698 * ha = adapter block pointer. 2699 * 2700 * Context: 2701 * Kernel context. 2702 */ 2703 static int 2704 qla2x00_device_resync(scsi_qla_host_t *ha) 2705 { 2706 int rval; 2707 uint32_t mask; 2708 fc_port_t *fcport; 2709 uint32_t rscn_entry; 2710 uint8_t rscn_out_iter; 2711 uint8_t format; 2712 port_id_t d_id; 2713 2714 rval = QLA_RSCNS_HANDLED; 2715 2716 while (ha->rscn_out_ptr != ha->rscn_in_ptr || 2717 ha->flags.rscn_queue_overflow) { 2718 2719 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr]; 2720 format = MSB(MSW(rscn_entry)); 2721 d_id.b.domain = LSB(MSW(rscn_entry)); 2722 d_id.b.area = MSB(LSW(rscn_entry)); 2723 d_id.b.al_pa = LSB(LSW(rscn_entry)); 2724 2725 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = " 2726 "[%02x/%02x%02x%02x].\n", 2727 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain, 2728 d_id.b.area, d_id.b.al_pa)); 2729 2730 ha->rscn_out_ptr++; 2731 if (ha->rscn_out_ptr == MAX_RSCN_COUNT) 2732 ha->rscn_out_ptr = 0; 2733 2734 /* Skip duplicate entries. */ 2735 for (rscn_out_iter = ha->rscn_out_ptr; 2736 !ha->flags.rscn_queue_overflow && 2737 rscn_out_iter != ha->rscn_in_ptr; 2738 rscn_out_iter = (rscn_out_iter == 2739 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { 2740 2741 if (rscn_entry != ha->rscn_queue[rscn_out_iter]) 2742 break; 2743 2744 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue " 2745 "entry found at [%d].\n", ha->host_no, 2746 rscn_out_iter)); 2747 2748 ha->rscn_out_ptr = rscn_out_iter; 2749 } 2750 2751 /* Queue overflow, set switch default case. */ 2752 if (ha->flags.rscn_queue_overflow) { 2753 DEBUG(printk("scsi(%ld): device_resync: rscn " 2754 "overflow.\n", ha->host_no)); 2755 2756 format = 3; 2757 ha->flags.rscn_queue_overflow = 0; 2758 } 2759 2760 switch (format) { 2761 case 0: 2762 mask = 0xffffff; 2763 break; 2764 case 1: 2765 mask = 0xffff00; 2766 break; 2767 case 2: 2768 mask = 0xff0000; 2769 break; 2770 default: 2771 mask = 0x0; 2772 d_id.b24 = 0; 2773 ha->rscn_out_ptr = ha->rscn_in_ptr; 2774 break; 2775 } 2776 2777 rval = QLA_SUCCESS; 2778 2779 list_for_each_entry(fcport, &ha->fcports, list) { 2780 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || 2781 (fcport->d_id.b24 & mask) != d_id.b24 || 2782 fcport->port_type == FCT_BROADCAST) 2783 continue; 2784 2785 if (atomic_read(&fcport->state) == FCS_ONLINE) { 2786 if (format != 3 || 2787 fcport->port_type != FCT_INITIATOR) { 2788 qla2x00_mark_device_lost(ha, fcport, 2789 0, 0); 2790 } 2791 } 2792 fcport->flags &= ~FCF_FARP_DONE; 2793 } 2794 } 2795 return (rval); 2796 } 2797 2798 /* 2799 * qla2x00_fabric_dev_login 2800 * Login fabric target device and update FC port database. 2801 * 2802 * Input: 2803 * ha: adapter state pointer. 2804 * fcport: port structure list pointer. 2805 * next_loopid: contains value of a new loop ID that can be used 2806 * by the next login attempt. 2807 * 2808 * Returns: 2809 * qla2x00 local function return status code. 2810 * 2811 * Context: 2812 * Kernel context. 2813 */ 2814 static int 2815 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2816 uint16_t *next_loopid) 2817 { 2818 int rval; 2819 int retry; 2820 uint8_t opts; 2821 2822 rval = QLA_SUCCESS; 2823 retry = 0; 2824 2825 rval = qla2x00_fabric_login(ha, fcport, next_loopid); 2826 if (rval == QLA_SUCCESS) { 2827 /* Send an ADISC to tape devices.*/ 2828 opts = 0; 2829 if (fcport->flags & FCF_TAPE_PRESENT) 2830 opts |= BIT_1; 2831 rval = qla2x00_get_port_database(ha, fcport, opts); 2832 if (rval != QLA_SUCCESS) { 2833 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2834 fcport->d_id.b.domain, fcport->d_id.b.area, 2835 fcport->d_id.b.al_pa); 2836 qla2x00_mark_device_lost(ha, fcport, 1, 0); 2837 } else { 2838 qla2x00_update_fcport(ha, fcport); 2839 } 2840 } 2841 2842 return (rval); 2843 } 2844 2845 /* 2846 * qla2x00_fabric_login 2847 * Issue fabric login command. 2848 * 2849 * Input: 2850 * ha = adapter block pointer. 2851 * device = pointer to FC device type structure. 2852 * 2853 * Returns: 2854 * 0 - Login successfully 2855 * 1 - Login failed 2856 * 2 - Initiator device 2857 * 3 - Fatal error 2858 */ 2859 int 2860 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport, 2861 uint16_t *next_loopid) 2862 { 2863 int rval; 2864 int retry; 2865 uint16_t tmp_loopid; 2866 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2867 2868 retry = 0; 2869 tmp_loopid = 0; 2870 2871 for (;;) { 2872 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x " 2873 "for port %02x%02x%02x.\n", 2874 ha->host_no, fcport->loop_id, fcport->d_id.b.domain, 2875 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2876 2877 /* Login fcport on switch. */ 2878 ha->isp_ops.fabric_login(ha, fcport->loop_id, 2879 fcport->d_id.b.domain, fcport->d_id.b.area, 2880 fcport->d_id.b.al_pa, mb, BIT_0); 2881 if (mb[0] == MBS_PORT_ID_USED) { 2882 /* 2883 * Device has another loop ID. The firmware team 2884 * recommends the driver perform an implicit login with 2885 * the specified ID again. The ID we just used is save 2886 * here so we return with an ID that can be tried by 2887 * the next login. 2888 */ 2889 retry++; 2890 tmp_loopid = fcport->loop_id; 2891 fcport->loop_id = mb[1]; 2892 2893 DEBUG(printk("Fabric Login: port in use - next " 2894 "loop id=0x%04x, port Id=%02x%02x%02x.\n", 2895 fcport->loop_id, fcport->d_id.b.domain, 2896 fcport->d_id.b.area, fcport->d_id.b.al_pa)); 2897 2898 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 2899 /* 2900 * Login succeeded. 2901 */ 2902 if (retry) { 2903 /* A retry occurred before. */ 2904 *next_loopid = tmp_loopid; 2905 } else { 2906 /* 2907 * No retry occurred before. Just increment the 2908 * ID value for next login. 2909 */ 2910 *next_loopid = (fcport->loop_id + 1); 2911 } 2912 2913 if (mb[1] & BIT_0) { 2914 fcport->port_type = FCT_INITIATOR; 2915 } else { 2916 fcport->port_type = FCT_TARGET; 2917 if (mb[1] & BIT_1) { 2918 fcport->flags |= FCF_TAPE_PRESENT; 2919 } 2920 } 2921 2922 if (mb[10] & BIT_0) 2923 fcport->supported_classes |= FC_COS_CLASS2; 2924 if (mb[10] & BIT_1) 2925 fcport->supported_classes |= FC_COS_CLASS3; 2926 2927 rval = QLA_SUCCESS; 2928 break; 2929 } else if (mb[0] == MBS_LOOP_ID_USED) { 2930 /* 2931 * Loop ID already used, try next loop ID. 2932 */ 2933 fcport->loop_id++; 2934 rval = qla2x00_find_new_loop_id(ha, fcport); 2935 if (rval != QLA_SUCCESS) { 2936 /* Ran out of loop IDs to use */ 2937 break; 2938 } 2939 } else if (mb[0] == MBS_COMMAND_ERROR) { 2940 /* 2941 * Firmware possibly timed out during login. If NO 2942 * retries are left to do then the device is declared 2943 * dead. 2944 */ 2945 *next_loopid = fcport->loop_id; 2946 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2947 fcport->d_id.b.domain, fcport->d_id.b.area, 2948 fcport->d_id.b.al_pa); 2949 qla2x00_mark_device_lost(ha, fcport, 1, 0); 2950 2951 rval = 1; 2952 break; 2953 } else { 2954 /* 2955 * unrecoverable / not handled error 2956 */ 2957 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x " 2958 "loop_id=%x jiffies=%lx.\n", 2959 __func__, ha->host_no, mb[0], 2960 fcport->d_id.b.domain, fcport->d_id.b.area, 2961 fcport->d_id.b.al_pa, fcport->loop_id, jiffies)); 2962 2963 *next_loopid = fcport->loop_id; 2964 ha->isp_ops.fabric_logout(ha, fcport->loop_id, 2965 fcport->d_id.b.domain, fcport->d_id.b.area, 2966 fcport->d_id.b.al_pa); 2967 fcport->loop_id = FC_NO_LOOP_ID; 2968 fcport->login_retry = 0; 2969 2970 rval = 3; 2971 break; 2972 } 2973 } 2974 2975 return (rval); 2976 } 2977 2978 /* 2979 * qla2x00_local_device_login 2980 * Issue local device login command. 2981 * 2982 * Input: 2983 * ha = adapter block pointer. 2984 * loop_id = loop id of device to login to. 2985 * 2986 * Returns (Where's the #define!!!!): 2987 * 0 - Login successfully 2988 * 1 - Login failed 2989 * 3 - Fatal error 2990 */ 2991 int 2992 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport) 2993 { 2994 int rval; 2995 uint16_t mb[MAILBOX_REGISTER_COUNT]; 2996 2997 memset(mb, 0, sizeof(mb)); 2998 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0); 2999 if (rval == QLA_SUCCESS) { 3000 /* Interrogate mailbox registers for any errors */ 3001 if (mb[0] == MBS_COMMAND_ERROR) 3002 rval = 1; 3003 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 3004 /* device not in PCB table */ 3005 rval = 3; 3006 } 3007 3008 return (rval); 3009 } 3010 3011 /* 3012 * qla2x00_loop_resync 3013 * Resync with fibre channel devices. 3014 * 3015 * Input: 3016 * ha = adapter block pointer. 3017 * 3018 * Returns: 3019 * 0 = success 3020 */ 3021 int 3022 qla2x00_loop_resync(scsi_qla_host_t *ha) 3023 { 3024 int rval; 3025 uint32_t wait_time; 3026 3027 rval = QLA_SUCCESS; 3028 3029 atomic_set(&ha->loop_state, LOOP_UPDATE); 3030 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3031 if (ha->flags.online) { 3032 if (!(rval = qla2x00_fw_ready(ha))) { 3033 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3034 wait_time = 256; 3035 do { 3036 atomic_set(&ha->loop_state, LOOP_UPDATE); 3037 3038 /* Issue a marker after FW becomes ready. */ 3039 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3040 ha->marker_needed = 0; 3041 3042 /* Remap devices on Loop. */ 3043 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3044 3045 qla2x00_configure_loop(ha); 3046 wait_time--; 3047 } while (!atomic_read(&ha->loop_down_timer) && 3048 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3049 wait_time && 3050 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3051 } 3052 } 3053 3054 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { 3055 return (QLA_FUNCTION_FAILED); 3056 } 3057 3058 if (rval) { 3059 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__)); 3060 } 3061 3062 return (rval); 3063 } 3064 3065 void 3066 qla2x00_rescan_fcports(scsi_qla_host_t *ha) 3067 { 3068 int rescan_done; 3069 fc_port_t *fcport; 3070 3071 rescan_done = 0; 3072 list_for_each_entry(fcport, &ha->fcports, list) { 3073 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0) 3074 continue; 3075 3076 qla2x00_update_fcport(ha, fcport); 3077 fcport->flags &= ~FCF_RESCAN_NEEDED; 3078 3079 rescan_done = 1; 3080 } 3081 qla2x00_probe_for_all_luns(ha); 3082 } 3083 3084 void 3085 qla2x00_update_fcports(scsi_qla_host_t *ha) 3086 { 3087 fc_port_t *fcport; 3088 3089 /* Go with deferred removal of rport references. */ 3090 list_for_each_entry(fcport, &ha->fcports, list) 3091 if (fcport->drport) 3092 qla2x00_rport_del(fcport); 3093 } 3094 3095 /* 3096 * qla2x00_abort_isp 3097 * Resets ISP and aborts all outstanding commands. 3098 * 3099 * Input: 3100 * ha = adapter block pointer. 3101 * 3102 * Returns: 3103 * 0 = success 3104 */ 3105 int 3106 qla2x00_abort_isp(scsi_qla_host_t *ha) 3107 { 3108 int rval; 3109 unsigned long flags = 0; 3110 uint16_t cnt; 3111 srb_t *sp; 3112 uint8_t status = 0; 3113 3114 if (ha->flags.online) { 3115 ha->flags.online = 0; 3116 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 3117 3118 qla_printk(KERN_INFO, ha, 3119 "Performing ISP error recovery - ha= %p.\n", ha); 3120 ha->isp_ops.reset_chip(ha); 3121 3122 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 3123 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 3124 atomic_set(&ha->loop_state, LOOP_DOWN); 3125 qla2x00_mark_all_devices_lost(ha, 0); 3126 } else { 3127 if (!atomic_read(&ha->loop_down_timer)) 3128 atomic_set(&ha->loop_down_timer, 3129 LOOP_DOWN_TIME); 3130 } 3131 3132 spin_lock_irqsave(&ha->hardware_lock, flags); 3133 /* Requeue all commands in outstanding command list. */ 3134 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 3135 sp = ha->outstanding_cmds[cnt]; 3136 if (sp) { 3137 ha->outstanding_cmds[cnt] = NULL; 3138 sp->flags = 0; 3139 sp->cmd->result = DID_RESET << 16; 3140 sp->cmd->host_scribble = (unsigned char *)NULL; 3141 qla2x00_sp_compl(ha, sp); 3142 } 3143 } 3144 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3145 3146 ha->isp_ops.get_flash_version(ha, ha->request_ring); 3147 3148 ha->isp_ops.nvram_config(ha); 3149 3150 if (!qla2x00_restart_isp(ha)) { 3151 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3152 3153 if (!atomic_read(&ha->loop_down_timer)) { 3154 /* 3155 * Issue marker command only when we are going 3156 * to start the I/O . 3157 */ 3158 ha->marker_needed = 1; 3159 } 3160 3161 ha->flags.online = 1; 3162 3163 ha->isp_ops.enable_intrs(ha); 3164 3165 ha->isp_abort_cnt = 0; 3166 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3167 3168 if (ha->eft) { 3169 rval = qla2x00_trace_control(ha, TC_ENABLE, 3170 ha->eft_dma, EFT_NUM_BUFFERS); 3171 if (rval) { 3172 qla_printk(KERN_WARNING, ha, 3173 "Unable to reinitialize EFT " 3174 "(%d).\n", rval); 3175 } 3176 } 3177 } else { /* failed the ISP abort */ 3178 ha->flags.online = 1; 3179 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) { 3180 if (ha->isp_abort_cnt == 0) { 3181 qla_printk(KERN_WARNING, ha, 3182 "ISP error recovery failed - " 3183 "board disabled\n"); 3184 /* 3185 * The next call disables the board 3186 * completely. 3187 */ 3188 ha->isp_ops.reset_adapter(ha); 3189 ha->flags.online = 0; 3190 clear_bit(ISP_ABORT_RETRY, 3191 &ha->dpc_flags); 3192 status = 0; 3193 } else { /* schedule another ISP abort */ 3194 ha->isp_abort_cnt--; 3195 DEBUG(printk("qla%ld: ISP abort - " 3196 "retry remaining %d\n", 3197 ha->host_no, ha->isp_abort_cnt)); 3198 status = 1; 3199 } 3200 } else { 3201 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3202 DEBUG(printk("qla2x00(%ld): ISP error recovery " 3203 "- retrying (%d) more times\n", 3204 ha->host_no, ha->isp_abort_cnt)); 3205 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags); 3206 status = 1; 3207 } 3208 } 3209 3210 } 3211 3212 if (status) { 3213 qla_printk(KERN_INFO, ha, 3214 "qla2x00_abort_isp: **** FAILED ****\n"); 3215 } else { 3216 DEBUG(printk(KERN_INFO 3217 "qla2x00_abort_isp(%ld): exiting.\n", 3218 ha->host_no)); 3219 } 3220 3221 return(status); 3222 } 3223 3224 /* 3225 * qla2x00_restart_isp 3226 * restarts the ISP after a reset 3227 * 3228 * Input: 3229 * ha = adapter block pointer. 3230 * 3231 * Returns: 3232 * 0 = success 3233 */ 3234 static int 3235 qla2x00_restart_isp(scsi_qla_host_t *ha) 3236 { 3237 uint8_t status = 0; 3238 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3239 unsigned long flags = 0; 3240 uint32_t wait_time; 3241 3242 /* If firmware needs to be loaded */ 3243 if (qla2x00_isp_firmware(ha)) { 3244 ha->flags.online = 0; 3245 if (!(status = ha->isp_ops.chip_diag(ha))) { 3246 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 3247 status = qla2x00_setup_chip(ha); 3248 goto done; 3249 } 3250 3251 spin_lock_irqsave(&ha->hardware_lock, flags); 3252 3253 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) { 3254 /* 3255 * Disable SRAM, Instruction RAM and GP RAM 3256 * parity. 3257 */ 3258 WRT_REG_WORD(®->hccr, 3259 (HCCR_ENABLE_PARITY + 0x0)); 3260 RD_REG_WORD(®->hccr); 3261 } 3262 3263 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3264 3265 status = qla2x00_setup_chip(ha); 3266 3267 spin_lock_irqsave(&ha->hardware_lock, flags); 3268 3269 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) { 3270 /* Enable proper parity */ 3271 if (IS_QLA2300(ha)) 3272 /* SRAM parity */ 3273 WRT_REG_WORD(®->hccr, 3274 (HCCR_ENABLE_PARITY + 0x1)); 3275 else 3276 /* 3277 * SRAM, Instruction RAM and GP RAM 3278 * parity. 3279 */ 3280 WRT_REG_WORD(®->hccr, 3281 (HCCR_ENABLE_PARITY + 0x7)); 3282 RD_REG_WORD(®->hccr); 3283 } 3284 3285 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3286 } 3287 } 3288 3289 done: 3290 if (!status && !(status = qla2x00_init_rings(ha))) { 3291 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); 3292 if (!(status = qla2x00_fw_ready(ha))) { 3293 DEBUG(printk("%s(): Start configure loop, " 3294 "status = %d\n", __func__, status)); 3295 3296 /* Issue a marker after FW becomes ready. */ 3297 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL); 3298 3299 ha->flags.online = 1; 3300 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 3301 wait_time = 256; 3302 do { 3303 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 3304 qla2x00_configure_loop(ha); 3305 wait_time--; 3306 } while (!atomic_read(&ha->loop_down_timer) && 3307 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) && 3308 wait_time && 3309 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))); 3310 } 3311 3312 /* if no cable then assume it's good */ 3313 if ((ha->device_flags & DFLG_NO_CABLE)) 3314 status = 0; 3315 3316 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n", 3317 __func__, 3318 status)); 3319 } 3320 return (status); 3321 } 3322 3323 /* 3324 * qla2x00_reset_adapter 3325 * Reset adapter. 3326 * 3327 * Input: 3328 * ha = adapter block pointer. 3329 */ 3330 void 3331 qla2x00_reset_adapter(scsi_qla_host_t *ha) 3332 { 3333 unsigned long flags = 0; 3334 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3335 3336 ha->flags.online = 0; 3337 ha->isp_ops.disable_intrs(ha); 3338 3339 spin_lock_irqsave(&ha->hardware_lock, flags); 3340 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 3341 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3342 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC); 3343 RD_REG_WORD(®->hccr); /* PCI Posting. */ 3344 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3345 } 3346 3347 void 3348 qla24xx_reset_adapter(scsi_qla_host_t *ha) 3349 { 3350 unsigned long flags = 0; 3351 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3352 3353 ha->flags.online = 0; 3354 ha->isp_ops.disable_intrs(ha); 3355 3356 spin_lock_irqsave(&ha->hardware_lock, flags); 3357 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); 3358 RD_REG_DWORD(®->hccr); 3359 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); 3360 RD_REG_DWORD(®->hccr); 3361 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3362 } 3363 3364 /* On sparc systems, obtain port and node WWN from firmware 3365 * properties. 3366 */ 3367 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv) 3368 { 3369 #ifdef CONFIG_SPARC 3370 struct pci_dev *pdev = ha->pdev; 3371 struct device_node *dp = pci_device_to_OF_node(pdev); 3372 const u8 *val; 3373 int len; 3374 3375 val = of_get_property(dp, "port-wwn", &len); 3376 if (val && len >= WWN_SIZE) 3377 memcpy(nv->port_name, val, WWN_SIZE); 3378 3379 val = of_get_property(dp, "node-wwn", &len); 3380 if (val && len >= WWN_SIZE) 3381 memcpy(nv->node_name, val, WWN_SIZE); 3382 #endif 3383 } 3384 3385 int 3386 qla24xx_nvram_config(scsi_qla_host_t *ha) 3387 { 3388 int rval; 3389 struct init_cb_24xx *icb; 3390 struct nvram_24xx *nv; 3391 uint32_t *dptr; 3392 uint8_t *dptr1, *dptr2; 3393 uint32_t chksum; 3394 uint16_t cnt; 3395 3396 rval = QLA_SUCCESS; 3397 icb = (struct init_cb_24xx *)ha->init_cb; 3398 nv = (struct nvram_24xx *)ha->request_ring; 3399 3400 /* Determine NVRAM starting address. */ 3401 ha->nvram_size = sizeof(struct nvram_24xx); 3402 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 3403 ha->vpd_size = FA_NVRAM_VPD_SIZE; 3404 ha->vpd_base = FA_NVRAM_VPD0_ADDR; 3405 if (PCI_FUNC(ha->pdev->devfn)) { 3406 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 3407 ha->vpd_base = FA_NVRAM_VPD1_ADDR; 3408 } 3409 3410 /* Get NVRAM data and calculate checksum. */ 3411 dptr = (uint32_t *)nv; 3412 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base, 3413 ha->nvram_size); 3414 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++) 3415 chksum += le32_to_cpu(*dptr++); 3416 3417 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no)); 3418 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring, 3419 ha->nvram_size)); 3420 3421 /* Bad NVRAM data, set defaults parameters. */ 3422 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P' 3423 || nv->id[3] != ' ' || 3424 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) { 3425 /* Reset NVRAM data. */ 3426 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: " 3427 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0], 3428 le16_to_cpu(nv->nvram_version)); 3429 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet " 3430 "invalid -- WWPN) defaults.\n"); 3431 3432 /* 3433 * Set default initialization control block. 3434 */ 3435 memset(nv, 0, ha->nvram_size); 3436 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION); 3437 nv->version = __constant_cpu_to_le16(ICB_VERSION); 3438 nv->frame_payload_size = __constant_cpu_to_le16(2048); 3439 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3440 nv->exchange_count = __constant_cpu_to_le16(0); 3441 nv->hard_address = __constant_cpu_to_le16(124); 3442 nv->port_name[0] = 0x21; 3443 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn); 3444 nv->port_name[2] = 0x00; 3445 nv->port_name[3] = 0xe0; 3446 nv->port_name[4] = 0x8b; 3447 nv->port_name[5] = 0x1c; 3448 nv->port_name[6] = 0x55; 3449 nv->port_name[7] = 0x86; 3450 nv->node_name[0] = 0x20; 3451 nv->node_name[1] = 0x00; 3452 nv->node_name[2] = 0x00; 3453 nv->node_name[3] = 0xe0; 3454 nv->node_name[4] = 0x8b; 3455 nv->node_name[5] = 0x1c; 3456 nv->node_name[6] = 0x55; 3457 nv->node_name[7] = 0x86; 3458 qla24xx_nvram_wwn_from_ofw(ha, nv); 3459 nv->login_retry_count = __constant_cpu_to_le16(8); 3460 nv->interrupt_delay_timer = __constant_cpu_to_le16(0); 3461 nv->login_timeout = __constant_cpu_to_le16(0); 3462 nv->firmware_options_1 = 3463 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 3464 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4); 3465 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12); 3466 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13); 3467 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10); 3468 nv->efi_parameters = __constant_cpu_to_le32(0); 3469 nv->reset_delay = 5; 3470 nv->max_luns_per_target = __constant_cpu_to_le16(128); 3471 nv->port_down_retry_count = __constant_cpu_to_le16(30); 3472 nv->link_down_timeout = __constant_cpu_to_le16(30); 3473 3474 rval = 1; 3475 } 3476 3477 /* Reset Initialization control block */ 3478 memset(icb, 0, sizeof(struct init_cb_24xx)); 3479 3480 /* Copy 1st segment. */ 3481 dptr1 = (uint8_t *)icb; 3482 dptr2 = (uint8_t *)&nv->version; 3483 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 3484 while (cnt--) 3485 *dptr1++ = *dptr2++; 3486 3487 icb->login_retry_count = nv->login_retry_count; 3488 icb->link_down_on_nos = nv->link_down_on_nos; 3489 3490 /* Copy 2nd segment. */ 3491 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 3492 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 3493 cnt = (uint8_t *)&icb->reserved_3 - 3494 (uint8_t *)&icb->interrupt_delay_timer; 3495 while (cnt--) 3496 *dptr1++ = *dptr2++; 3497 3498 /* 3499 * Setup driver NVRAM options. 3500 */ 3501 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name), 3502 "QLA2462"); 3503 3504 /* Use alternate WWN? */ 3505 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) { 3506 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 3507 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 3508 } 3509 3510 /* Prepare nodename */ 3511 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) { 3512 /* 3513 * Firmware will apply the following mask if the nodename was 3514 * not provided. 3515 */ 3516 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 3517 icb->node_name[0] &= 0xF0; 3518 } 3519 3520 /* Set host adapter parameters. */ 3521 ha->flags.disable_risc_code_load = 0; 3522 ha->flags.enable_lip_reset = 0; 3523 ha->flags.enable_lip_full_login = 3524 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0; 3525 ha->flags.enable_target_reset = 3526 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0; 3527 ha->flags.enable_led_scheme = 0; 3528 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0; 3529 3530 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & 3531 (BIT_6 | BIT_5 | BIT_4)) >> 4; 3532 3533 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 3534 sizeof(ha->fw_seriallink_options24)); 3535 3536 /* save HBA serial number */ 3537 ha->serial0 = icb->port_name[5]; 3538 ha->serial1 = icb->port_name[6]; 3539 ha->serial2 = icb->port_name[7]; 3540 ha->node_name = icb->node_name; 3541 ha->port_name = icb->port_name; 3542 3543 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF); 3544 3545 ha->retry_count = le16_to_cpu(nv->login_retry_count); 3546 3547 /* Set minimum login_timeout to 4 seconds. */ 3548 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 3549 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 3550 if (le16_to_cpu(nv->login_timeout) < 4) 3551 nv->login_timeout = __constant_cpu_to_le16(4); 3552 ha->login_timeout = le16_to_cpu(nv->login_timeout); 3553 icb->login_timeout = cpu_to_le16(nv->login_timeout); 3554 3555 /* Set minimum RATOV to 200 tenths of a second. */ 3556 ha->r_a_tov = 200; 3557 3558 ha->loop_reset_delay = nv->reset_delay; 3559 3560 /* Link Down Timeout = 0: 3561 * 3562 * When Port Down timer expires we will start returning 3563 * I/O's to OS with "DID_NO_CONNECT". 3564 * 3565 * Link Down Timeout != 0: 3566 * 3567 * The driver waits for the link to come up after link down 3568 * before returning I/Os to OS with "DID_NO_CONNECT". 3569 */ 3570 if (le16_to_cpu(nv->link_down_timeout) == 0) { 3571 ha->loop_down_abort_time = 3572 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 3573 } else { 3574 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 3575 ha->loop_down_abort_time = 3576 (LOOP_DOWN_TIME - ha->link_down_timeout); 3577 } 3578 3579 /* Need enough time to try and get the port back. */ 3580 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 3581 if (qlport_down_retry) 3582 ha->port_down_retry_count = qlport_down_retry; 3583 3584 /* Set login_retry_count */ 3585 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 3586 if (ha->port_down_retry_count == 3587 le16_to_cpu(nv->port_down_retry_count) && 3588 ha->port_down_retry_count > 3) 3589 ha->login_retry_count = ha->port_down_retry_count; 3590 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 3591 ha->login_retry_count = ha->port_down_retry_count; 3592 if (ql2xloginretrycount) 3593 ha->login_retry_count = ql2xloginretrycount; 3594 3595 /* Enable ZIO. */ 3596 if (!ha->flags.init_done) { 3597 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 3598 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 3599 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 3600 le16_to_cpu(icb->interrupt_delay_timer): 2; 3601 } 3602 icb->firmware_options_2 &= __constant_cpu_to_le32( 3603 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 3604 ha->flags.process_response_queue = 0; 3605 if (ha->zio_mode != QLA_ZIO_DISABLED) { 3606 ha->zio_mode = QLA_ZIO_MODE_6; 3607 3608 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay " 3609 "(%d us).\n", ha->host_no, ha->zio_mode, 3610 ha->zio_timer * 100)); 3611 qla_printk(KERN_INFO, ha, 3612 "ZIO mode %d enabled; timer delay (%d us).\n", 3613 ha->zio_mode, ha->zio_timer * 100); 3614 3615 icb->firmware_options_2 |= cpu_to_le32( 3616 (uint32_t)ha->zio_mode); 3617 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 3618 ha->flags.process_response_queue = 1; 3619 } 3620 3621 if (rval) { 3622 DEBUG2_3(printk(KERN_WARNING 3623 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no)); 3624 } 3625 return (rval); 3626 } 3627 3628 static int 3629 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3630 { 3631 int rval; 3632 int segments, fragment; 3633 uint32_t faddr; 3634 uint32_t *dcode, dlen; 3635 uint32_t risc_addr; 3636 uint32_t risc_size; 3637 uint32_t i; 3638 3639 rval = QLA_SUCCESS; 3640 3641 segments = FA_RISC_CODE_SEGMENTS; 3642 faddr = FA_RISC_CODE_ADDR; 3643 dcode = (uint32_t *)ha->request_ring; 3644 *srisc_addr = 0; 3645 3646 /* Validate firmware image by checking version. */ 3647 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4); 3648 for (i = 0; i < 4; i++) 3649 dcode[i] = be32_to_cpu(dcode[i]); 3650 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3651 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3652 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3653 dcode[3] == 0)) { 3654 qla_printk(KERN_WARNING, ha, 3655 "Unable to verify integrity of flash firmware image!\n"); 3656 qla_printk(KERN_WARNING, ha, 3657 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3658 dcode[1], dcode[2], dcode[3]); 3659 3660 return QLA_FUNCTION_FAILED; 3661 } 3662 3663 while (segments && rval == QLA_SUCCESS) { 3664 /* Read segment's load information. */ 3665 qla24xx_read_flash_data(ha, dcode, faddr, 4); 3666 3667 risc_addr = be32_to_cpu(dcode[2]); 3668 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3669 risc_size = be32_to_cpu(dcode[3]); 3670 3671 fragment = 0; 3672 while (risc_size > 0 && rval == QLA_SUCCESS) { 3673 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3674 if (dlen > risc_size) 3675 dlen = risc_size; 3676 3677 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3678 "addr %x, number of dwords 0x%x, offset 0x%x.\n", 3679 ha->host_no, risc_addr, dlen, faddr)); 3680 3681 qla24xx_read_flash_data(ha, dcode, faddr, dlen); 3682 for (i = 0; i < dlen; i++) 3683 dcode[i] = swab32(dcode[i]); 3684 3685 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3686 dlen); 3687 if (rval) { 3688 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3689 "segment %d of firmware\n", ha->host_no, 3690 fragment)); 3691 qla_printk(KERN_WARNING, ha, 3692 "[ERROR] Failed to load segment %d of " 3693 "firmware\n", fragment); 3694 break; 3695 } 3696 3697 faddr += dlen; 3698 risc_addr += dlen; 3699 risc_size -= dlen; 3700 fragment++; 3701 } 3702 3703 /* Next segment. */ 3704 segments--; 3705 } 3706 3707 return rval; 3708 } 3709 3710 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/" 3711 3712 int 3713 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3714 { 3715 int rval; 3716 int i, fragment; 3717 uint16_t *wcode, *fwcode; 3718 uint32_t risc_addr, risc_size, fwclen, wlen, *seg; 3719 struct fw_blob *blob; 3720 3721 /* Load firmware blob. */ 3722 blob = qla2x00_request_firmware(ha); 3723 if (!blob) { 3724 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3725 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3726 "from: " QLA_FW_URL ".\n"); 3727 return QLA_FUNCTION_FAILED; 3728 } 3729 3730 rval = QLA_SUCCESS; 3731 3732 wcode = (uint16_t *)ha->request_ring; 3733 *srisc_addr = 0; 3734 fwcode = (uint16_t *)blob->fw->data; 3735 fwclen = 0; 3736 3737 /* Validate firmware image by checking version. */ 3738 if (blob->fw->size < 8 * sizeof(uint16_t)) { 3739 qla_printk(KERN_WARNING, ha, 3740 "Unable to verify integrity of firmware image (%Zd)!\n", 3741 blob->fw->size); 3742 goto fail_fw_integrity; 3743 } 3744 for (i = 0; i < 4; i++) 3745 wcode[i] = be16_to_cpu(fwcode[i + 4]); 3746 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && 3747 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && 3748 wcode[2] == 0 && wcode[3] == 0)) { 3749 qla_printk(KERN_WARNING, ha, 3750 "Unable to verify integrity of firmware image!\n"); 3751 qla_printk(KERN_WARNING, ha, 3752 "Firmware data: %04x %04x %04x %04x!\n", wcode[0], 3753 wcode[1], wcode[2], wcode[3]); 3754 goto fail_fw_integrity; 3755 } 3756 3757 seg = blob->segs; 3758 while (*seg && rval == QLA_SUCCESS) { 3759 risc_addr = *seg; 3760 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; 3761 risc_size = be16_to_cpu(fwcode[3]); 3762 3763 /* Validate firmware image size. */ 3764 fwclen += risc_size * sizeof(uint16_t); 3765 if (blob->fw->size < fwclen) { 3766 qla_printk(KERN_WARNING, ha, 3767 "Unable to verify integrity of firmware image " 3768 "(%Zd)!\n", blob->fw->size); 3769 goto fail_fw_integrity; 3770 } 3771 3772 fragment = 0; 3773 while (risc_size > 0 && rval == QLA_SUCCESS) { 3774 wlen = (uint16_t)(ha->fw_transfer_size >> 1); 3775 if (wlen > risc_size) 3776 wlen = risc_size; 3777 3778 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3779 "addr %x, number of words 0x%x.\n", ha->host_no, 3780 risc_addr, wlen)); 3781 3782 for (i = 0; i < wlen; i++) 3783 wcode[i] = swab16(fwcode[i]); 3784 3785 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3786 wlen); 3787 if (rval) { 3788 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3789 "segment %d of firmware\n", ha->host_no, 3790 fragment)); 3791 qla_printk(KERN_WARNING, ha, 3792 "[ERROR] Failed to load segment %d of " 3793 "firmware\n", fragment); 3794 break; 3795 } 3796 3797 fwcode += wlen; 3798 risc_addr += wlen; 3799 risc_size -= wlen; 3800 fragment++; 3801 } 3802 3803 /* Next segment. */ 3804 seg++; 3805 } 3806 return rval; 3807 3808 fail_fw_integrity: 3809 return QLA_FUNCTION_FAILED; 3810 } 3811 3812 int 3813 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr) 3814 { 3815 int rval; 3816 int segments, fragment; 3817 uint32_t *dcode, dlen; 3818 uint32_t risc_addr; 3819 uint32_t risc_size; 3820 uint32_t i; 3821 struct fw_blob *blob; 3822 uint32_t *fwcode, fwclen; 3823 3824 /* Load firmware blob. */ 3825 blob = qla2x00_request_firmware(ha); 3826 if (!blob) { 3827 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n"); 3828 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " 3829 "from: " QLA_FW_URL ".\n"); 3830 3831 /* Try to load RISC code from flash. */ 3832 qla_printk(KERN_ERR, ha, "Attempting to load (potentially " 3833 "outdated) firmware from flash.\n"); 3834 return qla24xx_load_risc_flash(ha, srisc_addr); 3835 } 3836 3837 rval = QLA_SUCCESS; 3838 3839 segments = FA_RISC_CODE_SEGMENTS; 3840 dcode = (uint32_t *)ha->request_ring; 3841 *srisc_addr = 0; 3842 fwcode = (uint32_t *)blob->fw->data; 3843 fwclen = 0; 3844 3845 /* Validate firmware image by checking version. */ 3846 if (blob->fw->size < 8 * sizeof(uint32_t)) { 3847 qla_printk(KERN_WARNING, ha, 3848 "Unable to verify integrity of firmware image (%Zd)!\n", 3849 blob->fw->size); 3850 goto fail_fw_integrity; 3851 } 3852 for (i = 0; i < 4; i++) 3853 dcode[i] = be32_to_cpu(fwcode[i + 4]); 3854 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff && 3855 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) || 3856 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 3857 dcode[3] == 0)) { 3858 qla_printk(KERN_WARNING, ha, 3859 "Unable to verify integrity of firmware image!\n"); 3860 qla_printk(KERN_WARNING, ha, 3861 "Firmware data: %08x %08x %08x %08x!\n", dcode[0], 3862 dcode[1], dcode[2], dcode[3]); 3863 goto fail_fw_integrity; 3864 } 3865 3866 while (segments && rval == QLA_SUCCESS) { 3867 risc_addr = be32_to_cpu(fwcode[2]); 3868 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr; 3869 risc_size = be32_to_cpu(fwcode[3]); 3870 3871 /* Validate firmware image size. */ 3872 fwclen += risc_size * sizeof(uint32_t); 3873 if (blob->fw->size < fwclen) { 3874 qla_printk(KERN_WARNING, ha, 3875 "Unable to verify integrity of firmware image " 3876 "(%Zd)!\n", blob->fw->size); 3877 3878 goto fail_fw_integrity; 3879 } 3880 3881 fragment = 0; 3882 while (risc_size > 0 && rval == QLA_SUCCESS) { 3883 dlen = (uint32_t)(ha->fw_transfer_size >> 2); 3884 if (dlen > risc_size) 3885 dlen = risc_size; 3886 3887 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc " 3888 "addr %x, number of dwords 0x%x.\n", ha->host_no, 3889 risc_addr, dlen)); 3890 3891 for (i = 0; i < dlen; i++) 3892 dcode[i] = swab32(fwcode[i]); 3893 3894 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr, 3895 dlen); 3896 if (rval) { 3897 DEBUG(printk("scsi(%ld):[ERROR] Failed to load " 3898 "segment %d of firmware\n", ha->host_no, 3899 fragment)); 3900 qla_printk(KERN_WARNING, ha, 3901 "[ERROR] Failed to load segment %d of " 3902 "firmware\n", fragment); 3903 break; 3904 } 3905 3906 fwcode += dlen; 3907 risc_addr += dlen; 3908 risc_size -= dlen; 3909 fragment++; 3910 } 3911 3912 /* Next segment. */ 3913 segments--; 3914 } 3915 return rval; 3916 3917 fail_fw_integrity: 3918 return QLA_FUNCTION_FAILED; 3919 } 3920 3921 void 3922 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha) 3923 { 3924 int ret, retries; 3925 3926 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) 3927 return; 3928 if (!ha->fw_major_version) 3929 return; 3930 3931 ret = qla2x00_stop_firmware(ha); 3932 for (retries = 5; ret != QLA_SUCCESS && retries ; retries--) { 3933 qla2x00_reset_chip(ha); 3934 if (qla2x00_chip_diag(ha) != QLA_SUCCESS) 3935 continue; 3936 if (qla2x00_setup_chip(ha) != QLA_SUCCESS) 3937 continue; 3938 qla_printk(KERN_INFO, ha, 3939 "Attempting retry of stop-firmware command...\n"); 3940 ret = qla2x00_stop_firmware(ha); 3941 } 3942 } 3943