1/* 2 * Adaptec AIC79xx device driver for Linux. 3 * 4 * Copyright (c) 2000-2001 Adaptec Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer, 12 * without modification. 13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 14 * substantially similar to the "NO WARRANTY" disclaimer below 15 * ("Disclaimer") and any redistribution must be conditioned upon 16 * including a substantially similar Disclaimer requirement for further 17 * binary redistribution. 18 * 3. Neither the names of the above-listed copyright holders nor the names 19 * of any contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * Alternatively, this software may be distributed under the terms of the 23 * GNU General Public License ("GPL") version 2 as published by the Free 24 * Software Foundation. 25 * 26 * NO WARRANTY 27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 30 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 31 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 35 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 36 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGES. 38 * 39 * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic79xx_osm.h#166 $ 40 * 41 */ 42#ifndef _AIC79XX_LINUX_H_ 43#define _AIC79XX_LINUX_H_ 44 45#include <linux/types.h> 46#include <linux/blkdev.h> 47#include <linux/delay.h> 48#include <linux/ioport.h> 49#include <linux/pci.h> 50#include <linux/interrupt.h> 51#include <linux/module.h> 52#include <linux/slab.h> 53#include <asm/byteorder.h> 54#include <asm/io.h> 55 56#include <scsi/scsi.h> 57#include <scsi/scsi_cmnd.h> 58#include <scsi/scsi_eh.h> 59#include <scsi/scsi_device.h> 60#include <scsi/scsi_host.h> 61#include <scsi/scsi_tcq.h> 62#include <scsi/scsi_transport.h> 63#include <scsi/scsi_transport_spi.h> 64 65/* Core SCSI definitions */ 66#define AIC_LIB_PREFIX ahd 67 68#include "cam.h" 69#include "queue.h" 70#include "scsi_message.h" 71#include "scsi_iu.h" 72#include "aiclib.h" 73 74/*********************************** Debugging ********************************/ 75#ifdef CONFIG_AIC79XX_DEBUG_ENABLE 76#ifdef CONFIG_AIC79XX_DEBUG_MASK 77#define AHD_DEBUG 1 78#define AHD_DEBUG_OPTS CONFIG_AIC79XX_DEBUG_MASK 79#else 80/* 81 * Compile in debugging code, but do not enable any printfs. 82 */ 83#define AHD_DEBUG 1 84#define AHD_DEBUG_OPTS 0 85#endif 86/* No debugging code. */ 87#endif 88 89/********************************** Misc Macros *******************************/ 90#define powerof2(x) ((((x)-1)&(x))==0) 91 92/************************* Forward Declarations *******************************/ 93struct ahd_softc; 94typedef struct pci_dev *ahd_dev_softc_t; 95typedef struct scsi_cmnd *ahd_io_ctx_t; 96 97/******************************* Byte Order ***********************************/ 98#define ahd_htobe16(x) cpu_to_be16(x) 99#define ahd_htobe32(x) cpu_to_be32(x) 100#define ahd_htobe64(x) cpu_to_be64(x) 101#define ahd_htole16(x) cpu_to_le16(x) 102#define ahd_htole32(x) cpu_to_le32(x) 103#define ahd_htole64(x) cpu_to_le64(x) 104 105#define ahd_be16toh(x) be16_to_cpu(x) 106#define ahd_be32toh(x) be32_to_cpu(x) 107#define ahd_be64toh(x) be64_to_cpu(x) 108#define ahd_le16toh(x) le16_to_cpu(x) 109#define ahd_le32toh(x) le32_to_cpu(x) 110#define ahd_le64toh(x) le64_to_cpu(x) 111 112/************************* Configuration Data *********************************/ 113extern uint32_t aic79xx_allow_memio; 114extern struct scsi_host_template aic79xx_driver_template; 115 116/***************************** Bus Space/DMA **********************************/ 117 118typedef uint32_t bus_size_t; 119 120typedef enum { 121 BUS_SPACE_MEMIO, 122 BUS_SPACE_PIO 123} bus_space_tag_t; 124 125typedef union { 126 u_long ioport; 127 volatile uint8_t __iomem *maddr; 128} bus_space_handle_t; 129 130typedef struct bus_dma_segment 131{ 132 dma_addr_t ds_addr; 133 bus_size_t ds_len; 134} bus_dma_segment_t; 135 136struct ahd_linux_dma_tag 137{ 138 bus_size_t alignment; 139 bus_size_t boundary; 140 bus_size_t maxsize; 141}; 142typedef struct ahd_linux_dma_tag* bus_dma_tag_t; 143 144typedef dma_addr_t bus_dmamap_t; 145 146typedef int bus_dma_filter_t(void*, dma_addr_t); 147typedef void bus_dmamap_callback_t(void *, bus_dma_segment_t *, int, int); 148 149#define BUS_DMA_WAITOK 0x0 150#define BUS_DMA_NOWAIT 0x1 151#define BUS_DMA_ALLOCNOW 0x2 152#define BUS_DMA_LOAD_SEGS 0x4 /* 153 * Argument is an S/G list not 154 * a single buffer. 155 */ 156 157#define BUS_SPACE_MAXADDR 0xFFFFFFFF 158#define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF 159#define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF 160 161int ahd_dma_tag_create(struct ahd_softc *, bus_dma_tag_t /*parent*/, 162 bus_size_t /*alignment*/, bus_size_t /*boundary*/, 163 dma_addr_t /*lowaddr*/, dma_addr_t /*highaddr*/, 164 bus_dma_filter_t*/*filter*/, void */*filterarg*/, 165 bus_size_t /*maxsize*/, int /*nsegments*/, 166 bus_size_t /*maxsegsz*/, int /*flags*/, 167 bus_dma_tag_t */*dma_tagp*/); 168 169void ahd_dma_tag_destroy(struct ahd_softc *, bus_dma_tag_t /*tag*/); 170 171int ahd_dmamem_alloc(struct ahd_softc *, bus_dma_tag_t /*dmat*/, 172 void** /*vaddr*/, int /*flags*/, 173 bus_dmamap_t* /*mapp*/); 174 175void ahd_dmamem_free(struct ahd_softc *, bus_dma_tag_t /*dmat*/, 176 void* /*vaddr*/, bus_dmamap_t /*map*/); 177 178void ahd_dmamap_destroy(struct ahd_softc *, bus_dma_tag_t /*tag*/, 179 bus_dmamap_t /*map*/); 180 181int ahd_dmamap_load(struct ahd_softc *ahd, bus_dma_tag_t /*dmat*/, 182 bus_dmamap_t /*map*/, void * /*buf*/, 183 bus_size_t /*buflen*/, bus_dmamap_callback_t *, 184 void */*callback_arg*/, int /*flags*/); 185 186int ahd_dmamap_unload(struct ahd_softc *, bus_dma_tag_t, bus_dmamap_t); 187 188/* 189 * Operations performed by ahd_dmamap_sync(). 190 */ 191#define BUS_DMASYNC_PREREAD 0x01 /* pre-read synchronization */ 192#define BUS_DMASYNC_POSTREAD 0x02 /* post-read synchronization */ 193#define BUS_DMASYNC_PREWRITE 0x04 /* pre-write synchronization */ 194#define BUS_DMASYNC_POSTWRITE 0x08 /* post-write synchronization */ 195 196/* 197 * XXX 198 * ahd_dmamap_sync is only used on buffers allocated with 199 * the dma_alloc_coherent() API. Although I'm not sure how 200 * this works on architectures with a write buffer, Linux does 201 * not have an API to sync "coherent" memory. Perhaps we need 202 * to do an mb()? 203 */ 204#define ahd_dmamap_sync(ahd, dma_tag, dmamap, offset, len, op) 205 206/********************************** Includes **********************************/ 207#ifdef CONFIG_AIC79XX_REG_PRETTY_PRINT 208#define AIC_DEBUG_REGISTERS 1 209#else 210#define AIC_DEBUG_REGISTERS 0 211#endif 212#include "aic79xx.h" 213 214/***************************** SMP support ************************************/ 215#include <linux/spinlock.h> 216 217#define AIC79XX_DRIVER_VERSION "3.0" 218 219/*************************** Device Data Structures ***************************/ 220/* 221 * A per probed device structure used to deal with some error recovery 222 * scenarios that the Linux mid-layer code just doesn't know how to 223 * handle. The structure allocated for a device only becomes persistent 224 * after a successfully completed inquiry command to the target when 225 * that inquiry data indicates a lun is present. 226 */ 227 228typedef enum { 229 AHD_DEV_FREEZE_TIL_EMPTY = 0x02, /* Freeze queue until active == 0 */ 230 AHD_DEV_Q_BASIC = 0x10, /* Allow basic device queuing */ 231 AHD_DEV_Q_TAGGED = 0x20, /* Allow full SCSI2 command queueing */ 232 AHD_DEV_PERIODIC_OTAG = 0x40, /* Send OTAG to prevent starvation */ 233} ahd_linux_dev_flags; 234 235struct ahd_linux_device { 236 TAILQ_ENTRY(ahd_linux_device) links; 237 238 /* 239 * The number of transactions currently 240 * queued to the device. 241 */ 242 int active; 243 244 /* 245 * The currently allowed number of 246 * transactions that can be queued to 247 * the device. Must be signed for 248 * conversion from tagged to untagged 249 * mode where the device may have more 250 * than one outstanding active transaction. 251 */ 252 int openings; 253 254 /* 255 * A positive count indicates that this 256 * device's queue is halted. 257 */ 258 u_int qfrozen; 259 260 /* 261 * Cumulative command counter. 262 */ 263 u_long commands_issued; 264 265 /* 266 * The number of tagged transactions when 267 * running at our current opening level 268 * that have been successfully received by 269 * this device since the last QUEUE FULL. 270 */ 271 u_int tag_success_count; 272#define AHD_TAG_SUCCESS_INTERVAL 50 273 274 ahd_linux_dev_flags flags; 275 276 /* 277 * Per device timer. 278 */ 279 struct timer_list timer; 280 281 /* 282 * The high limit for the tags variable. 283 */ 284 u_int maxtags; 285 286 /* 287 * The computed number of tags outstanding 288 * at the time of the last QUEUE FULL event. 289 */ 290 u_int tags_on_last_queuefull; 291 292 /* 293 * How many times we have seen a queue full 294 * with the same number of tags. This is used 295 * to stop our adaptive queue depth algorithm 296 * on devices with a fixed number of tags. 297 */ 298 u_int last_queuefull_same_count; 299#define AHD_LOCK_TAGS_COUNT 50 300 301 /* 302 * How many transactions have been queued 303 * without the device going idle. We use 304 * this statistic to determine when to issue 305 * an ordered tag to prevent transaction 306 * starvation. This statistic is only updated 307 * if the AHD_DEV_PERIODIC_OTAG flag is set 308 * on this device. 309 */ 310 u_int commands_since_idle_or_otag; 311#define AHD_OTAG_THRESH 500 312}; 313 314/********************* Definitions Required by the Core ***********************/ 315/* 316 * Number of SG segments we require. So long as the S/G segments for 317 * a particular transaction are allocated in a physically contiguous 318 * manner and are allocated below 4GB, the number of S/G segments is 319 * unrestricted. 320 */ 321#define AHD_NSEG 128 322 323/* 324 * Per-SCB OSM storage. 325 */ 326struct scb_platform_data { 327 struct ahd_linux_device *dev; 328 dma_addr_t buf_busaddr; 329 uint32_t xfer_len; 330 uint32_t sense_resid; /* Auto-Sense residual */ 331}; 332 333/* 334 * Define a structure used for each host adapter. All members are 335 * aligned on a boundary >= the size of the member to honor the 336 * alignment restrictions of the various platforms supported by 337 * this driver. 338 */ 339struct ahd_platform_data { 340 /* 341 * Fields accessed from interrupt context. 342 */ 343 struct scsi_target *starget[AHD_NUM_TARGETS]; 344 345 spinlock_t spin_lock; 346 struct completion *eh_done; 347 struct Scsi_Host *host; /* pointer to scsi host */ 348#define AHD_LINUX_NOIRQ ((uint32_t)~0) 349 uint32_t irq; /* IRQ for this adapter */ 350 uint32_t bios_address; 351 resource_size_t mem_busaddr; /* Mem Base Addr */ 352}; 353 354void ahd_delay(long); 355 356/***************************** Low Level I/O **********************************/ 357uint8_t ahd_inb(struct ahd_softc * ahd, long port); 358void ahd_outb(struct ahd_softc * ahd, long port, uint8_t val); 359void ahd_outw_atomic(struct ahd_softc * ahd, 360 long port, uint16_t val); 361void ahd_outsb(struct ahd_softc * ahd, long port, 362 uint8_t *, int count); 363void ahd_insb(struct ahd_softc * ahd, long port, 364 uint8_t *, int count); 365 366/**************************** Initialization **********************************/ 367int ahd_linux_register_host(struct ahd_softc *, 368 struct scsi_host_template *); 369 370/******************************** Locking *************************************/ 371static inline void 372ahd_lockinit(struct ahd_softc *ahd) 373{ 374 spin_lock_init(&ahd->platform_data->spin_lock); 375} 376 377static inline void 378ahd_lock(struct ahd_softc *ahd, unsigned long *flags) 379{ 380 spin_lock_irqsave(&ahd->platform_data->spin_lock, *flags); 381} 382 383static inline void 384ahd_unlock(struct ahd_softc *ahd, unsigned long *flags) 385{ 386 spin_unlock_irqrestore(&ahd->platform_data->spin_lock, *flags); 387} 388 389/******************************* PCI Definitions ******************************/ 390/* 391 * PCIM_xxx: mask to locate subfield in register 392 * PCIR_xxx: config register offset 393 * PCIC_xxx: device class 394 * PCIS_xxx: device subclass 395 * PCIP_xxx: device programming interface 396 * PCIV_xxx: PCI vendor ID (only required to fixup ancient devices) 397 * PCID_xxx: device ID 398 */ 399#define PCIR_DEVVENDOR 0x00 400#define PCIR_VENDOR 0x00 401#define PCIR_DEVICE 0x02 402#define PCIR_COMMAND 0x04 403#define PCIM_CMD_PORTEN 0x0001 404#define PCIM_CMD_MEMEN 0x0002 405#define PCIM_CMD_BUSMASTEREN 0x0004 406#define PCIM_CMD_MWRICEN 0x0010 407#define PCIM_CMD_PERRESPEN 0x0040 408#define PCIM_CMD_SERRESPEN 0x0100 409#define PCIR_STATUS 0x06 410#define PCIR_REVID 0x08 411#define PCIR_PROGIF 0x09 412#define PCIR_SUBCLASS 0x0a 413#define PCIR_CLASS 0x0b 414#define PCIR_CACHELNSZ 0x0c 415#define PCIR_LATTIMER 0x0d 416#define PCIR_HEADERTYPE 0x0e 417#define PCIM_MFDEV 0x80 418#define PCIR_BIST 0x0f 419#define PCIR_CAP_PTR 0x34 420 421/* config registers for header type 0 devices */ 422#define PCIR_MAPS 0x10 423 424/****************************** PCI-X definitions *****************************/ 425#define PCIXR_COMMAND 0x96 426#define PCIXR_DEVADDR 0x98 427#define PCIXM_DEVADDR_FNUM 0x0003 /* Function Number */ 428#define PCIXM_DEVADDR_DNUM 0x00F8 /* Device Number */ 429#define PCIXM_DEVADDR_BNUM 0xFF00 /* Bus Number */ 430#define PCIXR_STATUS 0x9A 431#define PCIXM_STATUS_64BIT 0x0001 /* Active 64bit connection to device. */ 432#define PCIXM_STATUS_133CAP 0x0002 /* Device is 133MHz capable */ 433#define PCIXM_STATUS_SCDISC 0x0004 /* Split Completion Discarded */ 434#define PCIXM_STATUS_UNEXPSC 0x0008 /* Unexpected Split Completion */ 435#define PCIXM_STATUS_CMPLEXDEV 0x0010 /* Device Complexity (set == bridge) */ 436#define PCIXM_STATUS_MAXMRDBC 0x0060 /* Maximum Burst Read Count */ 437#define PCIXM_STATUS_MAXSPLITS 0x0380 /* Maximum Split Transactions */ 438#define PCIXM_STATUS_MAXCRDS 0x1C00 /* Maximum Cumulative Read Size */ 439#define PCIXM_STATUS_RCVDSCEM 0x2000 /* Received a Split Comp w/Error msg */ 440 441typedef enum 442{ 443 AHD_POWER_STATE_D0, 444 AHD_POWER_STATE_D1, 445 AHD_POWER_STATE_D2, 446 AHD_POWER_STATE_D3 447} ahd_power_state; 448 449void ahd_power_state_change(struct ahd_softc *ahd, 450 ahd_power_state new_state); 451 452/******************************* PCI Routines *********************************/ 453int ahd_linux_pci_init(void); 454void ahd_linux_pci_exit(void); 455int ahd_pci_map_registers(struct ahd_softc *ahd); 456int ahd_pci_map_int(struct ahd_softc *ahd); 457 458uint32_t ahd_pci_read_config(ahd_dev_softc_t pci, 459 int reg, int width); 460void ahd_pci_write_config(ahd_dev_softc_t pci, 461 int reg, uint32_t value, 462 int width); 463 464static inline int ahd_get_pci_function(ahd_dev_softc_t); 465static inline int 466ahd_get_pci_function(ahd_dev_softc_t pci) 467{ 468 return (PCI_FUNC(pci->devfn)); 469} 470 471static inline int ahd_get_pci_slot(ahd_dev_softc_t); 472static inline int 473ahd_get_pci_slot(ahd_dev_softc_t pci) 474{ 475 return (PCI_SLOT(pci->devfn)); 476} 477 478static inline int ahd_get_pci_bus(ahd_dev_softc_t); 479static inline int 480ahd_get_pci_bus(ahd_dev_softc_t pci) 481{ 482 return (pci->bus->number); 483} 484 485static inline void ahd_flush_device_writes(struct ahd_softc *); 486static inline void 487ahd_flush_device_writes(struct ahd_softc *ahd) 488{ 489 /* XXX Is this sufficient for all architectures??? */ 490 ahd_inb(ahd, INTSTAT); 491} 492 493/**************************** Proc FS Support *********************************/ 494int ahd_proc_write_seeprom(struct Scsi_Host *, char *, int); 495int ahd_linux_show_info(struct seq_file *,struct Scsi_Host *); 496 497/*********************** Transaction Access Wrappers **************************/ 498 499static inline 500void ahd_cmd_set_transaction_status(struct scsi_cmnd *cmd, uint32_t status) 501{ 502 cmd->result &= ~(CAM_STATUS_MASK << 16); 503 cmd->result |= status << 16; 504} 505 506static inline 507void ahd_set_transaction_status(struct scb *scb, uint32_t status) 508{ 509 ahd_cmd_set_transaction_status(scb->io_ctx,status); 510} 511 512static inline 513void ahd_cmd_set_scsi_status(struct scsi_cmnd *cmd, uint32_t status) 514{ 515 cmd->result &= ~0xFFFF; 516 cmd->result |= status; 517} 518 519static inline 520void ahd_set_scsi_status(struct scb *scb, uint32_t status) 521{ 522 ahd_cmd_set_scsi_status(scb->io_ctx, status); 523} 524 525static inline 526uint32_t ahd_cmd_get_transaction_status(struct scsi_cmnd *cmd) 527{ 528 return ((cmd->result >> 16) & CAM_STATUS_MASK); 529} 530 531static inline 532uint32_t ahd_get_transaction_status(struct scb *scb) 533{ 534 return (ahd_cmd_get_transaction_status(scb->io_ctx)); 535} 536 537static inline 538uint32_t ahd_cmd_get_scsi_status(struct scsi_cmnd *cmd) 539{ 540 return (cmd->result & 0xFFFF); 541} 542 543static inline 544uint32_t ahd_get_scsi_status(struct scb *scb) 545{ 546 return (ahd_cmd_get_scsi_status(scb->io_ctx)); 547} 548 549static inline 550void ahd_set_transaction_tag(struct scb *scb, int enabled, u_int type) 551{ 552 /* 553 * Nothing to do for linux as the incoming transaction 554 * has no concept of tag/non tagged, etc. 555 */ 556} 557 558static inline 559u_long ahd_get_transfer_length(struct scb *scb) 560{ 561 return (scb->platform_data->xfer_len); 562} 563 564static inline 565int ahd_get_transfer_dir(struct scb *scb) 566{ 567 return (scb->io_ctx->sc_data_direction); 568} 569 570static inline 571void ahd_set_residual(struct scb *scb, u_long resid) 572{ 573 scsi_set_resid(scb->io_ctx, resid); 574} 575 576static inline 577void ahd_set_sense_residual(struct scb *scb, u_long resid) 578{ 579 scb->platform_data->sense_resid = resid; 580} 581 582static inline 583u_long ahd_get_residual(struct scb *scb) 584{ 585 return scsi_get_resid(scb->io_ctx); 586} 587 588static inline 589u_long ahd_get_sense_residual(struct scb *scb) 590{ 591 return (scb->platform_data->sense_resid); 592} 593 594static inline 595int ahd_perform_autosense(struct scb *scb) 596{ 597 /* 598 * We always perform autosense in Linux. 599 * On other platforms this is set on a 600 * per-transaction basis. 601 */ 602 return (1); 603} 604 605static inline uint32_t 606ahd_get_sense_bufsize(struct ahd_softc *ahd, struct scb *scb) 607{ 608 return (sizeof(struct scsi_sense_data)); 609} 610 611static inline void 612ahd_notify_xfer_settings_change(struct ahd_softc *ahd, 613 struct ahd_devinfo *devinfo) 614{ 615 /* Nothing to do here for linux */ 616} 617 618static inline void 619ahd_platform_scb_free(struct ahd_softc *ahd, struct scb *scb) 620{ 621 ahd->flags &= ~AHD_RESOURCE_SHORTAGE; 622} 623 624int ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg); 625void ahd_platform_free(struct ahd_softc *ahd); 626void ahd_platform_init(struct ahd_softc *ahd); 627void ahd_platform_freeze_devq(struct ahd_softc *ahd, struct scb *scb); 628 629static inline void 630ahd_freeze_scb(struct scb *scb) 631{ 632 if ((scb->io_ctx->result & (CAM_DEV_QFRZN << 16)) == 0) { 633 scb->io_ctx->result |= CAM_DEV_QFRZN << 16; 634 scb->platform_data->dev->qfrozen++; 635 } 636} 637 638void ahd_platform_set_tags(struct ahd_softc *ahd, struct scsi_device *sdev, 639 struct ahd_devinfo *devinfo, ahd_queue_alg); 640int ahd_platform_abort_scbs(struct ahd_softc *ahd, int target, 641 char channel, int lun, u_int tag, 642 role_t role, uint32_t status); 643irqreturn_t 644 ahd_linux_isr(int irq, void *dev_id); 645void ahd_done(struct ahd_softc*, struct scb*); 646void ahd_send_async(struct ahd_softc *, char channel, 647 u_int target, u_int lun, ac_code); 648void ahd_print_path(struct ahd_softc *, struct scb *); 649 650#ifdef CONFIG_PCI 651#define AHD_PCI_CONFIG 1 652#else 653#define AHD_PCI_CONFIG 0 654#endif 655#define bootverbose aic79xx_verbose 656extern uint32_t aic79xx_verbose; 657 658#endif /* _AIC79XX_LINUX_H_ */ 659