1 /* 2 * Adaptec AAC series RAID controller driver 3 * (c) Copyright 2001 Red Hat Inc. 4 * 5 * based on the old aacraid driver that is.. 6 * Adaptec aacraid device driver for Linux. 7 * 8 * Copyright (c) 2000-2010 Adaptec, Inc. 9 * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License as published by 13 * the Free Software Foundation; either version 2, or (at your option) 14 * any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; see the file COPYING. If not, write to 23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 24 * 25 * Module Name: 26 * src.c 27 * 28 * Abstract: Hardware Device Interface for PMC SRC based controllers 29 * 30 */ 31 32 #include <linux/kernel.h> 33 #include <linux/init.h> 34 #include <linux/types.h> 35 #include <linux/pci.h> 36 #include <linux/spinlock.h> 37 #include <linux/slab.h> 38 #include <linux/blkdev.h> 39 #include <linux/delay.h> 40 #include <linux/completion.h> 41 #include <linux/time.h> 42 #include <linux/interrupt.h> 43 #include <scsi/scsi_host.h> 44 45 #include "aacraid.h" 46 47 static irqreturn_t aac_src_intr_message(int irq, void *dev_id) 48 { 49 struct aac_dev *dev = dev_id; 50 unsigned long bellbits, bellbits_shifted; 51 int our_interrupt = 0; 52 int isFastResponse; 53 u32 index, handle; 54 55 bellbits = src_readl(dev, MUnit.ODR_R); 56 if (bellbits & PmDoorBellResponseSent) { 57 bellbits = PmDoorBellResponseSent; 58 /* handle async. status */ 59 src_writel(dev, MUnit.ODR_C, bellbits); 60 src_readl(dev, MUnit.ODR_C); 61 our_interrupt = 1; 62 index = dev->host_rrq_idx; 63 for (;;) { 64 isFastResponse = 0; 65 /* remove toggle bit (31) */ 66 handle = le32_to_cpu(dev->host_rrq[index]) & 0x7fffffff; 67 /* check fast response bit (30) */ 68 if (handle & 0x40000000) 69 isFastResponse = 1; 70 handle &= 0x0000ffff; 71 if (handle == 0) 72 break; 73 74 aac_intr_normal(dev, handle-1, 0, isFastResponse, NULL); 75 76 dev->host_rrq[index++] = 0; 77 if (index == dev->scsi_host_ptr->can_queue + 78 AAC_NUM_MGT_FIB) 79 index = 0; 80 dev->host_rrq_idx = index; 81 } 82 } else { 83 bellbits_shifted = (bellbits >> SRC_ODR_SHIFT); 84 if (bellbits_shifted & DoorBellAifPending) { 85 src_writel(dev, MUnit.ODR_C, bellbits); 86 src_readl(dev, MUnit.ODR_C); 87 our_interrupt = 1; 88 /* handle AIF */ 89 aac_intr_normal(dev, 0, 2, 0, NULL); 90 } else if (bellbits_shifted & OUTBOUNDDOORBELL_0) { 91 unsigned long sflags; 92 struct list_head *entry; 93 int send_it = 0; 94 extern int aac_sync_mode; 95 96 src_writel(dev, MUnit.ODR_C, bellbits); 97 src_readl(dev, MUnit.ODR_C); 98 99 if (!aac_sync_mode) { 100 src_writel(dev, MUnit.ODR_C, bellbits); 101 src_readl(dev, MUnit.ODR_C); 102 our_interrupt = 1; 103 } 104 105 if (dev->sync_fib) { 106 our_interrupt = 1; 107 if (dev->sync_fib->callback) 108 dev->sync_fib->callback(dev->sync_fib->callback_data, 109 dev->sync_fib); 110 spin_lock_irqsave(&dev->sync_fib->event_lock, sflags); 111 if (dev->sync_fib->flags & FIB_CONTEXT_FLAG_WAIT) { 112 dev->management_fib_count--; 113 up(&dev->sync_fib->event_wait); 114 } 115 spin_unlock_irqrestore(&dev->sync_fib->event_lock, sflags); 116 spin_lock_irqsave(&dev->sync_lock, sflags); 117 if (!list_empty(&dev->sync_fib_list)) { 118 entry = dev->sync_fib_list.next; 119 dev->sync_fib = list_entry(entry, struct fib, fiblink); 120 list_del(entry); 121 send_it = 1; 122 } else { 123 dev->sync_fib = NULL; 124 } 125 spin_unlock_irqrestore(&dev->sync_lock, sflags); 126 if (send_it) { 127 aac_adapter_sync_cmd(dev, SEND_SYNCHRONOUS_FIB, 128 (u32)dev->sync_fib->hw_fib_pa, 0, 0, 0, 0, 0, 129 NULL, NULL, NULL, NULL, NULL); 130 } 131 } 132 } 133 } 134 135 if (our_interrupt) { 136 return IRQ_HANDLED; 137 } 138 return IRQ_NONE; 139 } 140 141 /** 142 * aac_src_disable_interrupt - Disable interrupts 143 * @dev: Adapter 144 */ 145 146 static void aac_src_disable_interrupt(struct aac_dev *dev) 147 { 148 src_writel(dev, MUnit.OIMR, dev->OIMR = 0xffffffff); 149 } 150 151 /** 152 * aac_src_enable_interrupt_message - Enable interrupts 153 * @dev: Adapter 154 */ 155 156 static void aac_src_enable_interrupt_message(struct aac_dev *dev) 157 { 158 src_writel(dev, MUnit.OIMR, dev->OIMR = 0xfffffff8); 159 } 160 161 /** 162 * src_sync_cmd - send a command and wait 163 * @dev: Adapter 164 * @command: Command to execute 165 * @p1: first parameter 166 * @ret: adapter status 167 * 168 * This routine will send a synchronous command to the adapter and wait 169 * for its completion. 170 */ 171 172 static int src_sync_cmd(struct aac_dev *dev, u32 command, 173 u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6, 174 u32 *status, u32 * r1, u32 * r2, u32 * r3, u32 * r4) 175 { 176 unsigned long start; 177 int ok; 178 179 /* 180 * Write the command into Mailbox 0 181 */ 182 writel(command, &dev->IndexRegs->Mailbox[0]); 183 /* 184 * Write the parameters into Mailboxes 1 - 6 185 */ 186 writel(p1, &dev->IndexRegs->Mailbox[1]); 187 writel(p2, &dev->IndexRegs->Mailbox[2]); 188 writel(p3, &dev->IndexRegs->Mailbox[3]); 189 writel(p4, &dev->IndexRegs->Mailbox[4]); 190 191 /* 192 * Clear the synch command doorbell to start on a clean slate. 193 */ 194 src_writel(dev, MUnit.ODR_C, OUTBOUNDDOORBELL_0 << SRC_ODR_SHIFT); 195 196 /* 197 * Disable doorbell interrupts 198 */ 199 src_writel(dev, MUnit.OIMR, dev->OIMR = 0xffffffff); 200 201 /* 202 * Force the completion of the mask register write before issuing 203 * the interrupt. 204 */ 205 src_readl(dev, MUnit.OIMR); 206 207 /* 208 * Signal that there is a new synch command 209 */ 210 src_writel(dev, MUnit.IDR, INBOUNDDOORBELL_0 << SRC_IDR_SHIFT); 211 212 if (!dev->sync_mode || command != SEND_SYNCHRONOUS_FIB) { 213 ok = 0; 214 start = jiffies; 215 216 /* 217 * Wait up to 5 minutes 218 */ 219 while (time_before(jiffies, start+300*HZ)) { 220 udelay(5); /* Delay 5 microseconds to let Mon960 get info. */ 221 /* 222 * Mon960 will set doorbell0 bit when it has completed the command. 223 */ 224 if ((src_readl(dev, MUnit.ODR_R) >> SRC_ODR_SHIFT) & OUTBOUNDDOORBELL_0) { 225 /* 226 * Clear the doorbell. 227 */ 228 src_writel(dev, MUnit.ODR_C, OUTBOUNDDOORBELL_0 << SRC_ODR_SHIFT); 229 ok = 1; 230 break; 231 } 232 /* 233 * Yield the processor in case we are slow 234 */ 235 msleep(1); 236 } 237 if (unlikely(ok != 1)) { 238 /* 239 * Restore interrupt mask even though we timed out 240 */ 241 aac_adapter_enable_int(dev); 242 return -ETIMEDOUT; 243 } 244 /* 245 * Pull the synch status from Mailbox 0. 246 */ 247 if (status) 248 *status = readl(&dev->IndexRegs->Mailbox[0]); 249 if (r1) 250 *r1 = readl(&dev->IndexRegs->Mailbox[1]); 251 if (r2) 252 *r2 = readl(&dev->IndexRegs->Mailbox[2]); 253 if (r3) 254 *r3 = readl(&dev->IndexRegs->Mailbox[3]); 255 if (r4) 256 *r4 = readl(&dev->IndexRegs->Mailbox[4]); 257 258 /* 259 * Clear the synch command doorbell. 260 */ 261 src_writel(dev, MUnit.ODR_C, OUTBOUNDDOORBELL_0 << SRC_ODR_SHIFT); 262 } 263 264 /* 265 * Restore interrupt mask 266 */ 267 aac_adapter_enable_int(dev); 268 return 0; 269 } 270 271 /** 272 * aac_src_interrupt_adapter - interrupt adapter 273 * @dev: Adapter 274 * 275 * Send an interrupt to the i960 and breakpoint it. 276 */ 277 278 static void aac_src_interrupt_adapter(struct aac_dev *dev) 279 { 280 src_sync_cmd(dev, BREAKPOINT_REQUEST, 281 0, 0, 0, 0, 0, 0, 282 NULL, NULL, NULL, NULL, NULL); 283 } 284 285 /** 286 * aac_src_notify_adapter - send an event to the adapter 287 * @dev: Adapter 288 * @event: Event to send 289 * 290 * Notify the i960 that something it probably cares about has 291 * happened. 292 */ 293 294 static void aac_src_notify_adapter(struct aac_dev *dev, u32 event) 295 { 296 switch (event) { 297 298 case AdapNormCmdQue: 299 src_writel(dev, MUnit.ODR_C, 300 INBOUNDDOORBELL_1 << SRC_ODR_SHIFT); 301 break; 302 case HostNormRespNotFull: 303 src_writel(dev, MUnit.ODR_C, 304 INBOUNDDOORBELL_4 << SRC_ODR_SHIFT); 305 break; 306 case AdapNormRespQue: 307 src_writel(dev, MUnit.ODR_C, 308 INBOUNDDOORBELL_2 << SRC_ODR_SHIFT); 309 break; 310 case HostNormCmdNotFull: 311 src_writel(dev, MUnit.ODR_C, 312 INBOUNDDOORBELL_3 << SRC_ODR_SHIFT); 313 break; 314 case FastIo: 315 src_writel(dev, MUnit.ODR_C, 316 INBOUNDDOORBELL_6 << SRC_ODR_SHIFT); 317 break; 318 case AdapPrintfDone: 319 src_writel(dev, MUnit.ODR_C, 320 INBOUNDDOORBELL_5 << SRC_ODR_SHIFT); 321 break; 322 default: 323 BUG(); 324 break; 325 } 326 } 327 328 /** 329 * aac_src_start_adapter - activate adapter 330 * @dev: Adapter 331 * 332 * Start up processing on an i960 based AAC adapter 333 */ 334 335 static void aac_src_start_adapter(struct aac_dev *dev) 336 { 337 struct aac_init *init; 338 339 /* reset host_rrq_idx first */ 340 dev->host_rrq_idx = 0; 341 342 init = dev->init; 343 init->HostElapsedSeconds = cpu_to_le32(get_seconds()); 344 345 /* We can only use a 32 bit address here */ 346 src_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa, 347 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL); 348 } 349 350 /** 351 * aac_src_check_health 352 * @dev: device to check if healthy 353 * 354 * Will attempt to determine if the specified adapter is alive and 355 * capable of handling requests, returning 0 if alive. 356 */ 357 static int aac_src_check_health(struct aac_dev *dev) 358 { 359 u32 status = src_readl(dev, MUnit.OMR); 360 361 /* 362 * Check to see if the board failed any self tests. 363 */ 364 if (unlikely(status & SELF_TEST_FAILED)) 365 return -1; 366 367 /* 368 * Check to see if the board panic'd. 369 */ 370 if (unlikely(status & KERNEL_PANIC)) 371 return (status >> 16) & 0xFF; 372 /* 373 * Wait for the adapter to be up and running. 374 */ 375 if (unlikely(!(status & KERNEL_UP_AND_RUNNING))) 376 return -3; 377 /* 378 * Everything is OK 379 */ 380 return 0; 381 } 382 383 /** 384 * aac_src_deliver_message 385 * @fib: fib to issue 386 * 387 * Will send a fib, returning 0 if successful. 388 */ 389 static int aac_src_deliver_message(struct fib *fib) 390 { 391 struct aac_dev *dev = fib->dev; 392 struct aac_queue *q = &dev->queues->queue[AdapNormCmdQueue]; 393 unsigned long qflags; 394 u32 fibsize; 395 dma_addr_t address; 396 struct aac_fib_xporthdr *pFibX; 397 u16 hdr_size = le16_to_cpu(fib->hw_fib_va->header.Size); 398 399 spin_lock_irqsave(q->lock, qflags); 400 q->numpending++; 401 spin_unlock_irqrestore(q->lock, qflags); 402 403 if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2) { 404 /* Calculate the amount to the fibsize bits */ 405 fibsize = (hdr_size + 127) / 128 - 1; 406 if (fibsize > (ALIGN32 - 1)) 407 return -EMSGSIZE; 408 /* New FIB header, 32-bit */ 409 address = fib->hw_fib_pa; 410 fib->hw_fib_va->header.StructType = FIB_MAGIC2; 411 fib->hw_fib_va->header.SenderFibAddress = (u32)address; 412 fib->hw_fib_va->header.u.TimeStamp = 0; 413 BUG_ON(upper_32_bits(address) != 0L); 414 address |= fibsize; 415 } else { 416 /* Calculate the amount to the fibsize bits */ 417 fibsize = (sizeof(struct aac_fib_xporthdr) + hdr_size + 127) / 128 - 1; 418 if (fibsize > (ALIGN32 - 1)) 419 return -EMSGSIZE; 420 421 /* Fill XPORT header */ 422 pFibX = (void *)fib->hw_fib_va - sizeof(struct aac_fib_xporthdr); 423 pFibX->Handle = cpu_to_le32(fib->hw_fib_va->header.Handle); 424 pFibX->HostAddress = cpu_to_le64(fib->hw_fib_pa); 425 pFibX->Size = cpu_to_le32(hdr_size); 426 427 /* 428 * The xport header has been 32-byte aligned for us so that fibsize 429 * can be masked out of this address by hardware. -- BenC 430 */ 431 address = fib->hw_fib_pa - sizeof(struct aac_fib_xporthdr); 432 if (address & (ALIGN32 - 1)) 433 return -EINVAL; 434 address |= fibsize; 435 } 436 437 src_writel(dev, MUnit.IQ_H, upper_32_bits(address) & 0xffffffff); 438 src_writel(dev, MUnit.IQ_L, address & 0xffffffff); 439 440 return 0; 441 } 442 443 /** 444 * aac_src_ioremap 445 * @size: mapping resize request 446 * 447 */ 448 static int aac_src_ioremap(struct aac_dev *dev, u32 size) 449 { 450 if (!size) { 451 iounmap(dev->regs.src.bar1); 452 dev->regs.src.bar1 = NULL; 453 iounmap(dev->regs.src.bar0); 454 dev->base = dev->regs.src.bar0 = NULL; 455 return 0; 456 } 457 dev->regs.src.bar1 = ioremap(pci_resource_start(dev->pdev, 2), 458 AAC_MIN_SRC_BAR1_SIZE); 459 dev->base = NULL; 460 if (dev->regs.src.bar1 == NULL) 461 return -1; 462 dev->base = dev->regs.src.bar0 = ioremap(dev->base_start, size); 463 if (dev->base == NULL) { 464 iounmap(dev->regs.src.bar1); 465 dev->regs.src.bar1 = NULL; 466 return -1; 467 } 468 dev->IndexRegs = &((struct src_registers __iomem *) 469 dev->base)->u.tupelo.IndexRegs; 470 return 0; 471 } 472 473 /** 474 * aac_srcv_ioremap 475 * @size: mapping resize request 476 * 477 */ 478 static int aac_srcv_ioremap(struct aac_dev *dev, u32 size) 479 { 480 if (!size) { 481 iounmap(dev->regs.src.bar0); 482 dev->base = dev->regs.src.bar0 = NULL; 483 return 0; 484 } 485 dev->base = dev->regs.src.bar0 = ioremap(dev->base_start, size); 486 if (dev->base == NULL) 487 return -1; 488 dev->IndexRegs = &((struct src_registers __iomem *) 489 dev->base)->u.denali.IndexRegs; 490 return 0; 491 } 492 493 static int aac_src_restart_adapter(struct aac_dev *dev, int bled) 494 { 495 u32 var, reset_mask; 496 497 if (bled >= 0) { 498 if (bled) 499 printk(KERN_ERR "%s%d: adapter kernel panic'd %x.\n", 500 dev->name, dev->id, bled); 501 bled = aac_adapter_sync_cmd(dev, IOP_RESET_ALWAYS, 502 0, 0, 0, 0, 0, 0, &var, &reset_mask, NULL, NULL, NULL); 503 if (bled || (var != 0x00000001)) 504 return -EINVAL; 505 if (dev->supplement_adapter_info.SupportedOptions2 & 506 AAC_OPTION_DOORBELL_RESET) { 507 src_writel(dev, MUnit.IDR, reset_mask); 508 msleep(5000); /* Delay 5 seconds */ 509 } 510 } 511 512 if (src_readl(dev, MUnit.OMR) & KERNEL_PANIC) 513 return -ENODEV; 514 515 if (startup_timeout < 300) 516 startup_timeout = 300; 517 518 return 0; 519 } 520 521 /** 522 * aac_src_select_comm - Select communications method 523 * @dev: Adapter 524 * @comm: communications method 525 */ 526 int aac_src_select_comm(struct aac_dev *dev, int comm) 527 { 528 switch (comm) { 529 case AAC_COMM_MESSAGE: 530 dev->a_ops.adapter_enable_int = aac_src_enable_interrupt_message; 531 dev->a_ops.adapter_intr = aac_src_intr_message; 532 dev->a_ops.adapter_deliver = aac_src_deliver_message; 533 break; 534 default: 535 return 1; 536 } 537 return 0; 538 } 539 540 /** 541 * aac_src_init - initialize an Cardinal Frey Bar card 542 * @dev: device to configure 543 * 544 */ 545 546 int aac_src_init(struct aac_dev *dev) 547 { 548 unsigned long start; 549 unsigned long status; 550 int restart = 0; 551 int instance = dev->id; 552 const char *name = dev->name; 553 554 dev->a_ops.adapter_ioremap = aac_src_ioremap; 555 dev->a_ops.adapter_comm = aac_src_select_comm; 556 557 dev->base_size = AAC_MIN_SRC_BAR0_SIZE; 558 if (aac_adapter_ioremap(dev, dev->base_size)) { 559 printk(KERN_WARNING "%s: unable to map adapter.\n", name); 560 goto error_iounmap; 561 } 562 563 /* Failure to reset here is an option ... */ 564 dev->a_ops.adapter_sync_cmd = src_sync_cmd; 565 dev->a_ops.adapter_enable_int = aac_src_disable_interrupt; 566 if ((aac_reset_devices || reset_devices) && 567 !aac_src_restart_adapter(dev, 0)) 568 ++restart; 569 /* 570 * Check to see if the board panic'd while booting. 571 */ 572 status = src_readl(dev, MUnit.OMR); 573 if (status & KERNEL_PANIC) { 574 if (aac_src_restart_adapter(dev, aac_src_check_health(dev))) 575 goto error_iounmap; 576 ++restart; 577 } 578 /* 579 * Check to see if the board failed any self tests. 580 */ 581 status = src_readl(dev, MUnit.OMR); 582 if (status & SELF_TEST_FAILED) { 583 printk(KERN_ERR "%s%d: adapter self-test failed.\n", 584 dev->name, instance); 585 goto error_iounmap; 586 } 587 /* 588 * Check to see if the monitor panic'd while booting. 589 */ 590 if (status & MONITOR_PANIC) { 591 printk(KERN_ERR "%s%d: adapter monitor panic.\n", 592 dev->name, instance); 593 goto error_iounmap; 594 } 595 start = jiffies; 596 /* 597 * Wait for the adapter to be up and running. Wait up to 3 minutes 598 */ 599 while (!((status = src_readl(dev, MUnit.OMR)) & 600 KERNEL_UP_AND_RUNNING)) { 601 if ((restart && 602 (status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC))) || 603 time_after(jiffies, start+HZ*startup_timeout)) { 604 printk(KERN_ERR "%s%d: adapter kernel failed to start, init status = %lx.\n", 605 dev->name, instance, status); 606 goto error_iounmap; 607 } 608 if (!restart && 609 ((status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC)) || 610 time_after(jiffies, start + HZ * 611 ((startup_timeout > 60) 612 ? (startup_timeout - 60) 613 : (startup_timeout / 2))))) { 614 if (likely(!aac_src_restart_adapter(dev, 615 aac_src_check_health(dev)))) 616 start = jiffies; 617 ++restart; 618 } 619 msleep(1); 620 } 621 if (restart && aac_commit) 622 aac_commit = 1; 623 /* 624 * Fill in the common function dispatch table. 625 */ 626 dev->a_ops.adapter_interrupt = aac_src_interrupt_adapter; 627 dev->a_ops.adapter_disable_int = aac_src_disable_interrupt; 628 dev->a_ops.adapter_notify = aac_src_notify_adapter; 629 dev->a_ops.adapter_sync_cmd = src_sync_cmd; 630 dev->a_ops.adapter_check_health = aac_src_check_health; 631 dev->a_ops.adapter_restart = aac_src_restart_adapter; 632 633 /* 634 * First clear out all interrupts. Then enable the one's that we 635 * can handle. 636 */ 637 aac_adapter_comm(dev, AAC_COMM_MESSAGE); 638 aac_adapter_disable_int(dev); 639 src_writel(dev, MUnit.ODR_C, 0xffffffff); 640 aac_adapter_enable_int(dev); 641 642 if (aac_init_adapter(dev) == NULL) 643 goto error_iounmap; 644 if (dev->comm_interface != AAC_COMM_MESSAGE_TYPE1) 645 goto error_iounmap; 646 647 dev->msi = aac_msi && !pci_enable_msi(dev->pdev); 648 649 if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr, 650 IRQF_SHARED, "aacraid", dev) < 0) { 651 652 if (dev->msi) 653 pci_disable_msi(dev->pdev); 654 655 printk(KERN_ERR "%s%d: Interrupt unavailable.\n", 656 name, instance); 657 goto error_iounmap; 658 } 659 dev->dbg_base = pci_resource_start(dev->pdev, 2); 660 dev->dbg_base_mapped = dev->regs.src.bar1; 661 dev->dbg_size = AAC_MIN_SRC_BAR1_SIZE; 662 663 aac_adapter_enable_int(dev); 664 665 if (!dev->sync_mode) { 666 /* 667 * Tell the adapter that all is configured, and it can 668 * start accepting requests 669 */ 670 aac_src_start_adapter(dev); 671 } 672 return 0; 673 674 error_iounmap: 675 676 return -1; 677 } 678 679 /** 680 * aac_srcv_init - initialize an SRCv card 681 * @dev: device to configure 682 * 683 */ 684 685 int aac_srcv_init(struct aac_dev *dev) 686 { 687 unsigned long start; 688 unsigned long status; 689 int restart = 0; 690 int instance = dev->id; 691 const char *name = dev->name; 692 693 dev->a_ops.adapter_ioremap = aac_srcv_ioremap; 694 dev->a_ops.adapter_comm = aac_src_select_comm; 695 696 dev->base_size = AAC_MIN_SRCV_BAR0_SIZE; 697 if (aac_adapter_ioremap(dev, dev->base_size)) { 698 printk(KERN_WARNING "%s: unable to map adapter.\n", name); 699 goto error_iounmap; 700 } 701 702 /* Failure to reset here is an option ... */ 703 dev->a_ops.adapter_sync_cmd = src_sync_cmd; 704 dev->a_ops.adapter_enable_int = aac_src_disable_interrupt; 705 if ((aac_reset_devices || reset_devices) && 706 !aac_src_restart_adapter(dev, 0)) 707 ++restart; 708 /* 709 * Check to see if flash update is running. 710 * Wait for the adapter to be up and running. Wait up to 5 minutes 711 */ 712 status = src_readl(dev, MUnit.OMR); 713 if (status & FLASH_UPD_PENDING) { 714 start = jiffies; 715 do { 716 status = src_readl(dev, MUnit.OMR); 717 if (time_after(jiffies, start+HZ*FWUPD_TIMEOUT)) { 718 printk(KERN_ERR "%s%d: adapter flash update failed.\n", 719 dev->name, instance); 720 goto error_iounmap; 721 } 722 } while (!(status & FLASH_UPD_SUCCESS) && 723 !(status & FLASH_UPD_FAILED)); 724 /* Delay 10 seconds. 725 * Because right now FW is doing a soft reset, 726 * do not read scratch pad register at this time 727 */ 728 ssleep(10); 729 } 730 /* 731 * Check to see if the board panic'd while booting. 732 */ 733 status = src_readl(dev, MUnit.OMR); 734 if (status & KERNEL_PANIC) { 735 if (aac_src_restart_adapter(dev, aac_src_check_health(dev))) 736 goto error_iounmap; 737 ++restart; 738 } 739 /* 740 * Check to see if the board failed any self tests. 741 */ 742 status = src_readl(dev, MUnit.OMR); 743 if (status & SELF_TEST_FAILED) { 744 printk(KERN_ERR "%s%d: adapter self-test failed.\n", dev->name, instance); 745 goto error_iounmap; 746 } 747 /* 748 * Check to see if the monitor panic'd while booting. 749 */ 750 if (status & MONITOR_PANIC) { 751 printk(KERN_ERR "%s%d: adapter monitor panic.\n", dev->name, instance); 752 goto error_iounmap; 753 } 754 start = jiffies; 755 /* 756 * Wait for the adapter to be up and running. Wait up to 3 minutes 757 */ 758 while (!((status = src_readl(dev, MUnit.OMR)) & 759 KERNEL_UP_AND_RUNNING) || 760 status == 0xffffffff) { 761 if ((restart && 762 (status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC))) || 763 time_after(jiffies, start+HZ*startup_timeout)) { 764 printk(KERN_ERR "%s%d: adapter kernel failed to start, init status = %lx.\n", 765 dev->name, instance, status); 766 goto error_iounmap; 767 } 768 if (!restart && 769 ((status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC)) || 770 time_after(jiffies, start + HZ * 771 ((startup_timeout > 60) 772 ? (startup_timeout - 60) 773 : (startup_timeout / 2))))) { 774 if (likely(!aac_src_restart_adapter(dev, aac_src_check_health(dev)))) 775 start = jiffies; 776 ++restart; 777 } 778 msleep(1); 779 } 780 if (restart && aac_commit) 781 aac_commit = 1; 782 /* 783 * Fill in the common function dispatch table. 784 */ 785 dev->a_ops.adapter_interrupt = aac_src_interrupt_adapter; 786 dev->a_ops.adapter_disable_int = aac_src_disable_interrupt; 787 dev->a_ops.adapter_notify = aac_src_notify_adapter; 788 dev->a_ops.adapter_sync_cmd = src_sync_cmd; 789 dev->a_ops.adapter_check_health = aac_src_check_health; 790 dev->a_ops.adapter_restart = aac_src_restart_adapter; 791 792 /* 793 * First clear out all interrupts. Then enable the one's that we 794 * can handle. 795 */ 796 aac_adapter_comm(dev, AAC_COMM_MESSAGE); 797 aac_adapter_disable_int(dev); 798 src_writel(dev, MUnit.ODR_C, 0xffffffff); 799 aac_adapter_enable_int(dev); 800 801 if (aac_init_adapter(dev) == NULL) 802 goto error_iounmap; 803 if (dev->comm_interface != AAC_COMM_MESSAGE_TYPE2) 804 goto error_iounmap; 805 dev->msi = aac_msi && !pci_enable_msi(dev->pdev); 806 if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr, 807 IRQF_SHARED, "aacraid", dev) < 0) { 808 if (dev->msi) 809 pci_disable_msi(dev->pdev); 810 printk(KERN_ERR "%s%d: Interrupt unavailable.\n", 811 name, instance); 812 goto error_iounmap; 813 } 814 dev->dbg_base = dev->base_start; 815 dev->dbg_base_mapped = dev->base; 816 dev->dbg_size = dev->base_size; 817 818 aac_adapter_enable_int(dev); 819 820 if (!dev->sync_mode) { 821 /* 822 * Tell the adapter that all is configured, and it can 823 * start accepting requests 824 */ 825 aac_src_start_adapter(dev); 826 } 827 return 0; 828 829 error_iounmap: 830 831 return -1; 832 } 833 834