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