2 * Core definitions and data structures shareable across OS platforms.
4 * Copyright (c) 1994-2001 Justin T. Gibbs.
5 * Copyright (c) 2000-2001 Adaptec Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions, and the following disclaimer,
13 * without modification.
14 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
15 * substantially similar to the "NO WARRANTY" disclaimer below
16 * ("Disclaimer") and any redistribution must be conditioned upon
17 * including a substantially similar Disclaimer requirement for further
18 * binary redistribution.
19 * 3. Neither the names of the above-listed copyright holders nor the names
20 * of any contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
23 * Alternatively, this software may be distributed under the terms of the
24 * GNU General Public License ("GPL") version 2 as published by the Free
25 * Software Foundation.
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
37 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGES.
40 * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.h#85 $
42 * $FreeBSD: src/sys/dev/aic7xxx/aic7xxx.h,v 1.52 2004/08/18 16:31:56 gibbs Exp $
43 * $DragonFly: src/sys/dev/disk/aic7xxx/aic7xxx.h,v 1.4 2007/07/06 04:56:22 pavalos Exp $
49 /* Register Definitions */
50 #include "aic7xxx_reg.h"
52 /************************* Forward Declarations *******************************/
53 struct ahc_platform_data;
54 struct scb_platform_data;
55 struct seeprom_descriptor;
57 /****************************** Useful Macros *********************************/
59 #define MAX(a,b) (((a) > (b)) ? (a) : (b))
63 #define MIN(a,b) (((a) < (b)) ? (a) : (b))
73 #define NUM_ELEMENTS(array) (sizeof(array) / sizeof(*array))
75 #define ALL_CHANNELS '\0'
76 #define ALL_TARGETS_MASK 0xFFFF
77 #define INITIATOR_WILDCARD (~0)
79 #define SCSIID_TARGET(ahc, scsiid) \
80 (((scsiid) & ((((ahc)->features & AHC_TWIN) != 0) ? TWIN_TID : TID)) \
82 #define SCSIID_OUR_ID(scsiid) \
84 #define SCSIID_CHANNEL(ahc, scsiid) \
85 ((((ahc)->features & AHC_TWIN) != 0) \
86 ? ((((scsiid) & TWIN_CHNLB) != 0) ? 'B' : 'A') \
88 #define SCB_IS_SCSIBUS_B(ahc, scb) \
89 (SCSIID_CHANNEL(ahc, (scb)->hscb->scsiid) == 'B')
90 #define SCB_GET_OUR_ID(scb) \
91 SCSIID_OUR_ID((scb)->hscb->scsiid)
92 #define SCB_GET_TARGET(ahc, scb) \
93 SCSIID_TARGET((ahc), (scb)->hscb->scsiid)
94 #define SCB_GET_CHANNEL(ahc, scb) \
95 SCSIID_CHANNEL(ahc, (scb)->hscb->scsiid)
96 #define SCB_GET_LUN(scb) \
97 ((scb)->hscb->lun & LID)
98 #define SCB_GET_TARGET_OFFSET(ahc, scb) \
99 (SCB_GET_TARGET(ahc, scb) + (SCB_IS_SCSIBUS_B(ahc, scb) ? 8 : 0))
100 #define SCB_GET_TARGET_MASK(ahc, scb) \
101 (0x01 << (SCB_GET_TARGET_OFFSET(ahc, scb)))
103 #define SCB_IS_SILENT(scb) \
104 ((ahc_debug & AHC_SHOW_MASKED_ERRORS) == 0 \
105 && (((scb)->flags & SCB_SILENT) != 0))
107 #define SCB_IS_SILENT(scb) \
108 (((scb)->flags & SCB_SILENT) != 0)
110 #define TCL_TARGET_OFFSET(tcl) \
111 ((((tcl) >> 4) & TID) >> 4)
112 #define TCL_LUN(tcl) \
113 (tcl & (AHC_NUM_LUNS - 1))
114 #define BUILD_TCL(scsiid, lun) \
115 ((lun) | (((scsiid) & TID) << 4))
117 #ifndef AHC_TARGET_MODE
118 #undef AHC_TMODE_ENABLE
119 #define AHC_TMODE_ENABLE 0
122 /**************************** Driver Constants ********************************/
124 * The maximum number of supported targets.
126 #define AHC_NUM_TARGETS 16
129 * The maximum number of supported luns.
130 * The identify message only supports 64 luns in SPI3.
131 * You can have 2^64 luns when information unit transfers are enabled,
132 * but it is doubtful this driver will ever support IUTs.
134 #define AHC_NUM_LUNS 64
137 * The maximum transfer per S/G segment.
139 #define AHC_MAXTRANSFER_SIZE 0x00ffffff /* limited by 24bit counter */
142 * The maximum amount of SCB storage in hardware on a controller.
143 * This value represents an upper bound. Controllers vary in the number
144 * they actually support.
146 #define AHC_SCB_MAX 255
149 * The maximum number of concurrent transactions supported per driver instance.
150 * Sequencer Control Blocks (SCBs) store per-transaction information. Although
151 * the space for SCBs on the host adapter varies by model, the driver will
152 * page the SCBs between host and controller memory as needed. We are limited
154 * 1) The 8bit nature of the RISC engine holds us to an 8bit value.
155 * 2) We reserve one value, 255, to represent the invalid element.
156 * 3) Our input queue scheme requires one SCB to always be reserved
157 * in advance of queuing any SCBs. This takes us down to 254.
158 * 4) To handle our output queue correctly on machines that only
159 * support 32bit stores, we must clear the array 4 bytes at a
160 * time. To avoid colliding with a DMA write from the sequencer,
161 * we must be sure that 4 slots are empty when we write to clear
162 * the queue. This reduces us to 253 SCBs: 1 that just completed
163 * and the known three additional empty slots in the queue that
166 #define AHC_MAX_QUEUE 253
169 * The maximum amount of SCB storage we allocate in host memory. This
170 * number should reflect the 1 additional SCB we require to handle our
173 #define AHC_SCB_MAX_ALLOC (AHC_MAX_QUEUE+1)
176 * Ring Buffer of incoming target commands.
177 * We allocate 256 to simplify the logic in the sequencer
178 * by using the natural wrap point of an 8bit counter.
180 #define AHC_TMODE_CMDS 256
182 /* Reset line assertion time in us */
183 #define AHC_BUSRESET_DELAY 25
185 /******************* Chip Characteristics/Operating Settings *****************/
188 * The chip order is from least sophisticated to most sophisticated.
192 AHC_CHIPID_MASK = 0x00FF,
193 AHC_AIC7770 = 0x0001,
194 AHC_AIC7850 = 0x0002,
195 AHC_AIC7855 = 0x0003,
196 AHC_AIC7859 = 0x0004,
197 AHC_AIC7860 = 0x0005,
198 AHC_AIC7870 = 0x0006,
199 AHC_AIC7880 = 0x0007,
200 AHC_AIC7895 = 0x0008,
201 AHC_AIC7895C = 0x0009,
202 AHC_AIC7890 = 0x000a,
203 AHC_AIC7896 = 0x000b,
204 AHC_AIC7892 = 0x000c,
205 AHC_AIC7899 = 0x000d,
206 AHC_VL = 0x0100, /* Bus type VL */
207 AHC_EISA = 0x0200, /* Bus type EISA */
208 AHC_PCI = 0x0400, /* Bus type PCI */
209 AHC_BUS_MASK = 0x0F00
213 * Features available in each chip type.
216 AHC_FENONE = 0x00000,
217 AHC_ULTRA = 0x00001, /* Supports 20MHz Transfers */
218 AHC_ULTRA2 = 0x00002, /* Supports 40MHz Transfers */
219 AHC_WIDE = 0x00004, /* Wide Channel */
220 AHC_TWIN = 0x00008, /* Twin Channel */
221 AHC_MORE_SRAM = 0x00010, /* 80 bytes instead of 64 */
222 AHC_CMD_CHAN = 0x00020, /* Has a Command DMA Channel */
223 AHC_QUEUE_REGS = 0x00040, /* Has Queue management registers */
224 AHC_SG_PRELOAD = 0x00080, /* Can perform auto-SG preload */
225 AHC_SPIOCAP = 0x00100, /* Has a Serial Port I/O Cap Register */
226 AHC_MULTI_TID = 0x00200, /* Has bitmask of TIDs for select-in */
227 AHC_HS_MAILBOX = 0x00400, /* Has HS_MAILBOX register */
228 AHC_DT = 0x00800, /* Double Transition transfers */
229 AHC_NEW_TERMCTL = 0x01000, /* Newer termination scheme */
230 AHC_MULTI_FUNC = 0x02000, /* Multi-Function Twin Channel Device */
231 AHC_LARGE_SCBS = 0x04000, /* 64byte SCBs */
232 AHC_AUTORATE = 0x08000, /* Automatic update of SCSIRATE/OFFSET*/
233 AHC_AUTOPAUSE = 0x10000, /* Automatic pause on register access */
234 AHC_TARGETMODE = 0x20000, /* Has tested target mode support */
235 AHC_MULTIROLE = 0x40000, /* Space for two roles at a time */
236 AHC_REMOVABLE = 0x80000, /* Hot-Swap supported */
237 AHC_AIC7770_FE = AHC_FENONE,
239 * The real 7850 does not support Ultra modes, but there are
240 * several cards that use the generic 7850 PCI ID even though
241 * they are using an Ultra capable chip (7859/7860). We start
242 * out with the AHC_ULTRA feature set and then check the DEVSTATUS
243 * register to determine if the capability is really present.
245 AHC_AIC7850_FE = AHC_SPIOCAP|AHC_AUTOPAUSE|AHC_TARGETMODE|AHC_ULTRA,
246 AHC_AIC7860_FE = AHC_AIC7850_FE,
247 AHC_AIC7870_FE = AHC_TARGETMODE|AHC_AUTOPAUSE,
248 AHC_AIC7880_FE = AHC_AIC7870_FE|AHC_ULTRA,
250 * Although we have space for both the initiator and
251 * target roles on ULTRA2 chips, we currently disable
252 * the initiator role to allow multi-scsi-id target mode
253 * configurations. We can only respond on the same SCSI
254 * ID as our initiator role if we allow initiator operation.
255 * At some point, we should add a configuration knob to
256 * allow both roles to be loaded.
258 AHC_AIC7890_FE = AHC_MORE_SRAM|AHC_CMD_CHAN|AHC_ULTRA2
259 |AHC_QUEUE_REGS|AHC_SG_PRELOAD|AHC_MULTI_TID
260 |AHC_HS_MAILBOX|AHC_NEW_TERMCTL|AHC_LARGE_SCBS
262 AHC_AIC7892_FE = AHC_AIC7890_FE|AHC_DT|AHC_AUTORATE|AHC_AUTOPAUSE,
263 AHC_AIC7895_FE = AHC_AIC7880_FE|AHC_MORE_SRAM|AHC_AUTOPAUSE
264 |AHC_CMD_CHAN|AHC_MULTI_FUNC|AHC_LARGE_SCBS,
265 AHC_AIC7895C_FE = AHC_AIC7895_FE|AHC_MULTI_TID,
266 AHC_AIC7896_FE = AHC_AIC7890_FE|AHC_MULTI_FUNC,
267 AHC_AIC7899_FE = AHC_AIC7892_FE|AHC_MULTI_FUNC
271 * Bugs in the silicon that we work around in software.
276 * On all chips prior to the U2 product line,
277 * the WIDEODD S/G segment feature does not
278 * work during scsi->HostBus transfers.
280 AHC_TMODE_WIDEODD_BUG = 0x01,
282 * On the aic7890/91 Rev 0 chips, the autoflush
283 * feature does not work. A manual flush of
284 * the DMA FIFO is required.
286 AHC_AUTOFLUSH_BUG = 0x02,
288 * On many chips, cacheline streaming does not work.
290 AHC_CACHETHEN_BUG = 0x04,
292 * On the aic7896/97 chips, cacheline
293 * streaming must be enabled.
295 AHC_CACHETHEN_DIS_BUG = 0x08,
297 * PCI 2.1 Retry failure on non-empty data fifo.
299 AHC_PCI_2_1_RETRY_BUG = 0x10,
301 * Controller does not handle cacheline residuals
302 * properly on S/G segments if PCI MWI instructions
305 AHC_PCI_MWI_BUG = 0x20,
307 * An SCB upload using the SCB channel's
308 * auto array entry copy feature may
309 * corrupt data. This appears to only
310 * occur on 66MHz systems.
312 AHC_SCBCHAN_UPLOAD_BUG = 0x40
316 * Configuration specific settings.
317 * The driver determines these settings by probing the
318 * chip/controller's configuration.
322 AHC_PRIMARY_CHANNEL = 0x003, /*
323 * The channel that should
326 AHC_USEDEFAULTS = 0x004, /*
327 * For cards without an seeprom
328 * or a BIOS to initialize the chip's
329 * SRAM, we use the default target
332 AHC_SEQUENCER_DEBUG = 0x008,
333 AHC_SHARED_SRAM = 0x010,
334 AHC_LARGE_SEEPROM = 0x020, /* Uses C56_66 not C46 */
335 AHC_RESET_BUS_A = 0x040,
336 AHC_RESET_BUS_B = 0x080,
337 AHC_EXTENDED_TRANS_A = 0x100,
338 AHC_EXTENDED_TRANS_B = 0x200,
339 AHC_TERM_ENB_A = 0x400,
340 AHC_TERM_ENB_B = 0x800,
341 AHC_INITIATORROLE = 0x1000, /*
342 * Allow initiator operations on
345 AHC_TARGETROLE = 0x2000, /*
346 * Allow target operations on this
349 AHC_NEWEEPROM_FMT = 0x4000,
350 AHC_RESOURCE_SHORTAGE = 0x8000,
351 AHC_TQINFIFO_BLOCKED = 0x10000, /* Blocked waiting for ATIOs */
352 AHC_INT50_SPEEDFLEX = 0x20000, /*
353 * Internal 50pin connector
354 * sits behind an aic3860
356 AHC_SCB_BTT = 0x40000, /*
357 * The busy targets table is
358 * stored in SCB space rather
361 AHC_BIOS_ENABLED = 0x80000,
362 AHC_ALL_INTERRUPTS = 0x100000,
363 AHC_PAGESCBS = 0x400000, /* Enable SCB paging */
364 AHC_EDGE_INTERRUPT = 0x800000, /* Device uses edge triggered ints */
365 AHC_39BIT_ADDRESSING = 0x1000000, /* Use 39 bit addressing scheme. */
366 AHC_LSCBS_ENABLED = 0x2000000, /* 64Byte SCBs enabled */
367 AHC_SCB_CONFIG_USED = 0x4000000, /* No SEEPROM but SCB2 had info. */
368 AHC_NO_BIOS_INIT = 0x8000000, /* No BIOS left over settings. */
369 AHC_DISABLE_PCI_PERR = 0x10000000,
370 AHC_HAS_TERM_LOGIC = 0x20000000,
371 AHC_SHUTDOWN_RECOVERY = 0x40000000 /* Terminate recovery thread. */
374 /************************* Hardware SCB Definition ***************************/
377 * The driver keeps up to MAX_SCB scb structures per card in memory. The SCB
378 * consists of a "hardware SCB" mirroring the fields available on the card
379 * and additional information the kernel stores for each transaction.
381 * To minimize space utilization, a portion of the hardware scb stores
382 * different data during different portions of a SCSI transaction.
383 * As initialized by the host driver for the initiator role, this area
384 * contains the SCSI cdb (or a pointer to the cdb) to be executed. After
385 * the cdb has been presented to the target, this area serves to store
386 * residual transfer information and the SCSI status byte.
387 * For the target role, the contents of this area do not change, but
388 * still serve a different purpose than for the initiator role. See
389 * struct target_data for details.
393 * Status information embedded in the shared poriton of
394 * an SCB after passing the cdb to the target. The kernel
395 * driver will only read this data for transactions that
396 * complete abnormally (non-zero status byte).
399 uint32_t residual_datacnt; /* Residual in the current S/G seg */
400 uint32_t residual_sg_ptr; /* The next S/G for this transfer */
401 uint8_t scsi_status; /* Standard SCSI status byte */
405 * Target mode version of the shared data SCB segment.
408 uint32_t residual_datacnt; /* Residual in the current S/G seg */
409 uint32_t residual_sg_ptr; /* The next S/G for this transfer */
410 uint8_t scsi_status; /* SCSI status to give to initiator */
411 uint8_t target_phases; /* Bitmap of phases to execute */
412 uint8_t data_phase; /* Data-In or Data-Out */
413 uint8_t initiator_tag; /* Initiator's transaction tag */
416 #define MAX_CDB_LEN 16
417 struct hardware_scb {
420 * If the cdb is 12 bytes or less, we embed it directly
421 * in the SCB. For longer cdbs, we embed the address
422 * of the cdb payload as seen by the chip and a DMA
423 * is used to pull it in.
427 struct status_pkt status;
428 struct target_data tdata;
431 * A word about residuals.
432 * The scb is presented to the sequencer with the dataptr and datacnt
433 * fields initialized to the contents of the first S/G element to
434 * transfer. The sgptr field is initialized to the bus address for
435 * the S/G element that follows the first in the in core S/G array
436 * or'ed with the SG_FULL_RESID flag. Sgptr may point to an invalid
437 * S/G entry for this transfer (single S/G element transfer with the
438 * first elements address and length preloaded in the dataptr/datacnt
439 * fields). If no transfer is to occur, sgptr is set to SG_LIST_NULL.
440 * The SG_FULL_RESID flag ensures that the residual will be correctly
441 * noted even if no data transfers occur. Once the data phase is entered,
442 * the residual sgptr and datacnt are loaded from the sgptr and the
443 * datacnt fields. After each S/G element's dataptr and length are
444 * loaded into the hardware, the residual sgptr is advanced. After
445 * each S/G element is expired, its datacnt field is checked to see
446 * if the LAST_SEG flag is set. If so, SG_LIST_NULL is set in the
447 * residual sg ptr and the transfer is considered complete. If the
448 * sequencer determines that there is a residual in the tranfer, it
449 * will set the SG_RESID_VALID flag in sgptr and dma the scb back into
450 * host memory. To sumarize:
453 * o A residual has occurred if SG_FULL_RESID is set in sgptr,
454 * or residual_sgptr does not have SG_LIST_NULL set.
456 * o We are transfering the last segment if residual_datacnt has
457 * the SG_LAST_SEG flag set.
460 * o A residual has occurred if a completed scb has the
461 * SG_RESID_VALID flag set.
463 * o residual_sgptr and sgptr refer to the "next" sg entry
464 * and so may point beyond the last valid sg entry for the
467 /*12*/ uint32_t dataptr;
468 /*16*/ uint32_t datacnt; /*
469 * Byte 3 (numbered from 0) of
470 * the datacnt is really the
471 * 4th byte in that data address.
473 /*20*/ uint32_t sgptr;
474 #define SG_PTR_MASK 0xFFFFFFF8
475 /*24*/ uint8_t control; /* See SCB_CONTROL in aic7xxx.reg for details */
476 /*25*/ uint8_t scsiid; /* what to load in the SCSIID register */
478 /*27*/ uint8_t tag; /*
479 * Index into our kernel SCB array.
480 * Also used as the tag for tagged I/O
482 /*28*/ uint8_t cdb_len;
483 /*29*/ uint8_t scsirate; /* Value for SCSIRATE register */
484 /*30*/ uint8_t scsioffset; /* Value for SCSIOFFSET register */
485 /*31*/ uint8_t next; /*
486 * Used for threading SCBs in the
487 * "Waiting for Selection" and
488 * "Disconnected SCB" lists down
491 /*32*/ uint8_t cdb32[32]; /*
492 * CDB storage for cdbs of size
493 * 13->32. We store them here
494 * because hardware scbs are
495 * allocated from DMA safe
496 * memory so we are guaranteed
497 * the controller can access
502 /************************ Kernel SCB Definitions ******************************/
504 * Some fields of the SCB are OS dependent. Here we collect the
505 * definitions for elements that all OS platforms need to include
506 * in there SCB definition.
510 * Definition of a scatter/gather element as transfered to the controller.
511 * The aic7xxx chips only support a 24bit length. We use the top byte of
512 * the length to store additional address bits and a flag to indicate
513 * that a given segment terminates the transfer. This gives us an
514 * addressable range of 512GB on machines with 64bit PCI or with chips
515 * that can support dual address cycles on 32bit PCI busses.
520 #define AHC_DMA_LAST_SEG 0x80000000
521 #define AHC_SG_HIGH_ADDR_MASK 0x7F000000
522 #define AHC_SG_LEN_MASK 0x00FFFFFF
526 bus_dmamap_t sg_dmamap;
527 bus_addr_t sg_physaddr;
528 struct ahc_dma_seg* sg_vaddr;
529 SLIST_ENTRY(sg_map_node) links;
533 * The current state of this SCB.
536 SCB_FLAG_NONE = 0x0000,
537 SCB_OTHERTCL_TIMEOUT = 0x0002,/*
538 * Another device was active
539 * during the first timeout for
540 * this SCB so we gave ourselves
541 * an additional timeout period
542 * in case it was hogging the
545 SCB_DEVICE_RESET = 0x0004,
547 SCB_CDB32_PTR = 0x0010,
548 SCB_RECOVERY_SCB = 0x0020,
549 SCB_AUTO_NEGOTIATE = 0x0040,/* Negotiate to achieve goal. */
550 SCB_NEGOTIATE = 0x0080,/* Negotiation forced for command. */
552 SCB_UNTAGGEDQ = 0x0200,
554 SCB_TARGET_IMMEDIATE = 0x0800,
555 SCB_TRANSMISSION_ERROR = 0x1000,/*
556 * We detected a parity or CRC
557 * error that has effected the
558 * payload of the command. This
559 * flag is checked when normal
560 * status is returned to catch
561 * the case of a target not
562 * responding to our attempt
563 * to report the error.
565 SCB_TARGET_SCB = 0x2000,
566 SCB_SILENT = 0x4000,/*
567 * Be quiet about transmission type
568 * errors. They are expected and we
569 * don't want to upset the user. This
570 * flag is typically used during DV.
572 SCB_TIMEDOUT = 0x8000 /*
573 * SCB has timed out and is on the
579 struct hardware_scb *hscb;
581 SLIST_ENTRY(scb) sle;
582 TAILQ_ENTRY(scb) tqe;
584 LIST_ENTRY(scb) pending_links;
585 LIST_ENTRY(scb) timedout_links;
587 struct ahc_softc *ahc_softc;
592 struct scb_platform_data *platform_data;
593 struct sg_map_node *sg_map;
594 struct ahc_dma_seg *sg_list;
595 bus_addr_t sg_list_phys;
596 u_int sg_count;/* How full ahc_dma_seg is */
600 SLIST_HEAD(, scb) free_scbs; /*
601 * Pool of SCBs ready to be assigned
602 * commands to execute.
604 struct scb *scbindex[256]; /*
605 * Mapping from tag to SCB.
606 * As tag identifiers are an
607 * 8bit value, we provide space
608 * for all possible tag values.
609 * Any lookups to entries at or
610 * above AHC_SCB_MAX_ALLOC will
613 struct hardware_scb *hscbs; /* Array of hardware SCBs */
614 struct scb *scbarray; /* Array of kernel SCBs */
615 struct scsi_sense_data *sense; /* Per SCB sense data */
617 u_int recovery_scbs; /* Transactions currently in recovery */
620 * "Bus" addresses of our data structures.
622 bus_dma_tag_t hscb_dmat; /* dmat for our hardware SCB array */
623 bus_dmamap_t hscb_dmamap;
624 bus_addr_t hscb_busaddr;
625 bus_dma_tag_t sense_dmat;
626 bus_dmamap_t sense_dmamap;
627 bus_addr_t sense_busaddr;
628 bus_dma_tag_t sg_dmat; /* dmat for our sg segments */
629 SLIST_HEAD(, sg_map_node) sg_maps;
631 uint8_t maxhscbs; /* Number of SCBs on the card */
632 uint8_t init_level; /*
633 * How far we've initialized
638 /************************ Target Mode Definitions *****************************/
641 * Connection desciptor for select-in requests in target mode.
644 uint8_t scsiid; /* Our ID and the initiator's ID */
645 uint8_t identify; /* Identify message */
646 uint8_t bytes[22]; /*
647 * Bytes contains any additional message
648 * bytes terminated by 0xFF. The remainder
649 * is the cdb to execute.
651 uint8_t cmd_valid; /*
652 * When a command is complete, the firmware
653 * will set cmd_valid to all bits set.
654 * After the host has seen the command,
655 * the bits are cleared. This allows us
656 * to just peek at host memory to determine
657 * if more work is complete. cmd_valid is on
658 * an 8 byte boundary to simplify setting
659 * it on aic7880 hardware which only has
660 * limited direct access to the DMA FIFO.
666 * Number of events we can buffer up if we run out
667 * of immediate notify ccbs.
669 #define AHC_TMODE_EVENT_BUFFER_SIZE 8
670 struct ahc_tmode_event {
671 uint8_t initiator_id;
672 uint8_t event_type; /* MSG type or EVENT_TYPE_BUS_RESET */
673 #define EVENT_TYPE_BUS_RESET 0xFF
678 * Per enabled lun target mode state.
679 * As this state is directly influenced by the host OS'es target mode
680 * environment, we let the OS module define it. Forward declare the
681 * structure here so we can store arrays of them, etc. in OS neutral
684 #ifdef AHC_TARGET_MODE
685 struct ahc_tmode_lstate {
686 struct cam_path *path;
687 struct ccb_hdr_slist accept_tios;
688 struct ccb_hdr_slist immed_notifies;
689 struct ahc_tmode_event event_buffer[AHC_TMODE_EVENT_BUFFER_SIZE];
694 struct ahc_tmode_lstate;
697 /******************** Transfer Negotiation Datastructures *********************/
698 #define AHC_TRANS_CUR 0x01 /* Modify current neogtiation status */
699 #define AHC_TRANS_ACTIVE 0x03 /* Assume this target is on the bus */
700 #define AHC_TRANS_GOAL 0x04 /* Modify negotiation goal */
701 #define AHC_TRANS_USER 0x08 /* Modify user negotiation settings */
703 #define AHC_WIDTH_UNKNOWN 0xFF
704 #define AHC_PERIOD_UNKNOWN 0xFF
705 #define AHC_OFFSET_UNKNOWN 0xFF
706 #define AHC_PPR_OPTS_UNKNOWN 0xFF
709 * Transfer Negotiation Information.
711 struct ahc_transinfo {
712 uint8_t protocol_version; /* SCSI Revision level */
713 uint8_t transport_version; /* SPI Revision level */
714 uint8_t width; /* Bus width */
715 uint8_t period; /* Sync rate factor */
716 uint8_t offset; /* Sync offset */
717 uint8_t ppr_options; /* Parallel Protocol Request options */
721 * Per-initiator current, goal and user transfer negotiation information. */
722 struct ahc_initiator_tinfo {
723 uint8_t scsirate; /* Computed value for SCSIRATE reg */
724 struct ahc_transinfo curr;
725 struct ahc_transinfo goal;
726 struct ahc_transinfo user;
730 * Per enabled target ID state.
731 * Pointers to lun target state as well as sync/wide negotiation information
732 * for each initiator<->target mapping. For the initiator role we pretend
733 * that we are the target and the targets are the initiators since the
734 * negotiation is the same regardless of role.
736 struct ahc_tmode_tstate {
737 struct ahc_tmode_lstate* enabled_luns[AHC_NUM_LUNS];
738 struct ahc_initiator_tinfo transinfo[AHC_NUM_TARGETS];
741 * Per initiator state bitmasks.
743 uint16_t auto_negotiate;/* Auto Negotiation Required */
744 uint16_t ultraenb; /* Using ultra sync rate */
745 uint16_t discenable; /* Disconnection allowed */
746 uint16_t tagenable; /* Tagged Queuing allowed */
750 * Data structure for our table of allowed synchronous transfer rates.
752 struct ahc_syncrate {
753 u_int sxfr_u2; /* Value of the SXFR parameter for Ultra2+ Chips */
754 u_int sxfr; /* Value of the SXFR parameter for <= Ultra Chips */
755 #define ULTRA_SXFR 0x100 /* Rate Requires Ultra Mode set */
756 #define ST_SXFR 0x010 /* Rate Single Transition Only */
757 #define DT_SXFR 0x040 /* Rate Double Transition Only */
758 uint8_t period; /* Period to send to SCSI target */
762 /* Safe and valid period for async negotiations. */
763 #define AHC_ASYNC_XFER_PERIOD 0x45
764 #define AHC_ULTRA2_XFER_PERIOD 0x0a
767 * Indexes into our table of syncronous transfer rates.
769 #define AHC_SYNCRATE_DT 0
770 #define AHC_SYNCRATE_ULTRA2 1
771 #define AHC_SYNCRATE_ULTRA 3
772 #define AHC_SYNCRATE_FAST 6
773 #define AHC_SYNCRATE_MAX AHC_SYNCRATE_DT
774 #define AHC_SYNCRATE_MIN 13
776 /***************************** Lookup Tables **********************************/
778 * Phase -> name and message out response
779 * to parity errors in each phase table.
781 struct ahc_phase_table_entry {
783 uint8_t mesg_out; /* Message response to parity errors */
787 /************************** Serial EEPROM Format ******************************/
789 struct seeprom_config {
791 * Per SCSI ID Configuration Flags
793 uint16_t device_flags[16]; /* words 0-15 */
794 #define CFXFER 0x0007 /* synchronous transfer rate */
795 #define CFSYNCH 0x0008 /* enable synchronous transfer */
796 #define CFDISC 0x0010 /* enable disconnection */
797 #define CFWIDEB 0x0020 /* wide bus device */
798 #define CFSYNCHISULTRA 0x0040 /* CFSYNCH is an ultra offset (2940AU)*/
799 #define CFSYNCSINGLE 0x0080 /* Single-Transition signalling */
800 #define CFSTART 0x0100 /* send start unit SCSI command */
801 #define CFINCBIOS 0x0200 /* include in BIOS scan */
802 #define CFRNFOUND 0x0400 /* report even if not found */
803 #define CFMULTILUNDEV 0x0800 /* Probe multiple luns in BIOS scan */
804 #define CFWBCACHEENB 0x4000 /* Enable W-Behind Cache on disks */
805 #define CFWBCACHENOP 0xc000 /* Don't touch W-Behind Cache */
810 uint16_t bios_control; /* word 16 */
811 #define CFSUPREM 0x0001 /* support all removeable drives */
812 #define CFSUPREMB 0x0002 /* support removeable boot drives */
813 #define CFBIOSEN 0x0004 /* BIOS enabled */
814 #define CFBIOS_BUSSCAN 0x0008 /* Have the BIOS Scan the Bus */
815 #define CFSM2DRV 0x0010 /* support more than two drives */
816 #define CFSTPWLEVEL 0x0010 /* Termination level control */
817 #define CF284XEXTEND 0x0020 /* extended translation (284x cards) */
818 #define CFCTRL_A 0x0020 /* BIOS displays Ctrl-A message */
819 #define CFTERM_MENU 0x0040 /* BIOS displays termination menu */
820 #define CFEXTEND 0x0080 /* extended translation enabled */
821 #define CFSCAMEN 0x0100 /* SCAM enable */
822 #define CFMSG_LEVEL 0x0600 /* BIOS Message Level */
823 #define CFMSG_VERBOSE 0x0000
824 #define CFMSG_SILENT 0x0200
825 #define CFMSG_DIAG 0x0400
826 #define CFBOOTCD 0x0800 /* Support Bootable CD-ROM */
830 * Host Adapter Control Bits
832 uint16_t adapter_control; /* word 17 */
833 #define CFAUTOTERM 0x0001 /* Perform Auto termination */
834 #define CFULTRAEN 0x0002 /* Ultra SCSI speed enable */
835 #define CF284XSELTO 0x0003 /* Selection timeout (284x cards) */
836 #define CF284XFIFO 0x000C /* FIFO Threshold (284x cards) */
837 #define CFSTERM 0x0004 /* SCSI low byte termination */
838 #define CFWSTERM 0x0008 /* SCSI high byte termination */
839 #define CFSPARITY 0x0010 /* SCSI parity */
840 #define CF284XSTERM 0x0020 /* SCSI low byte term (284x cards) */
841 #define CFMULTILUN 0x0020
842 #define CFRESETB 0x0040 /* reset SCSI bus at boot */
843 #define CFCLUSTERENB 0x0080 /* Cluster Enable */
844 #define CFBOOTCHAN 0x0300 /* probe this channel first */
845 #define CFBOOTCHANSHIFT 8
846 #define CFSEAUTOTERM 0x0400 /* Ultra2 Perform secondary Auto Term*/
847 #define CFSELOWTERM 0x0800 /* Ultra2 secondary low term */
848 #define CFSEHIGHTERM 0x1000 /* Ultra2 secondary high term */
849 #define CFENABLEDV 0x4000 /* Perform Domain Validation*/
852 * Bus Release Time, Host Adapter ID
854 uint16_t brtime_id; /* word 18 */
855 #define CFSCSIID 0x000f /* host adapter SCSI ID */
857 #define CFBRTIME 0xff00 /* bus release time */
862 uint16_t max_targets; /* word 19 */
863 #define CFMAXTARG 0x00ff /* maximum targets */
864 #define CFBOOTLUN 0x0f00 /* Lun to boot from */
865 #define CFBOOTID 0xf000 /* Target to boot from */
866 uint16_t res_1[10]; /* words 20-29 */
867 uint16_t signature; /* Signature == 0x250 */
868 #define CFSIGNATURE 0x250
869 #define CFSIGNATURE2 0x300
870 uint16_t checksum; /* word 31 */
873 /**************************** Message Buffer *********************************/
875 MSG_TYPE_NONE = 0x00,
876 MSG_TYPE_INITIATOR_MSGOUT = 0x01,
877 MSG_TYPE_INITIATOR_MSGIN = 0x02,
878 MSG_TYPE_TARGET_MSGOUT = 0x03,
879 MSG_TYPE_TARGET_MSGIN = 0x04
888 /*********************** Software Configuration Structure *********************/
889 TAILQ_HEAD(scb_tailq, scb);
891 struct ahc_aic7770_softc {
893 * Saved register state used for chip_init().
899 struct ahc_pci_softc {
901 * Saved register state used for chip_init().
906 uint8_t csize_lattime;
915 union ahc_bus_softc {
916 struct ahc_aic7770_softc aic7770_softc;
917 struct ahc_pci_softc pci_softc;
920 typedef void (*ahc_bus_intr_t)(struct ahc_softc *);
921 typedef int (*ahc_bus_chip_init_t)(struct ahc_softc *);
922 typedef int (*ahc_bus_suspend_t)(struct ahc_softc *);
923 typedef int (*ahc_bus_resume_t)(struct ahc_softc *);
924 typedef void ahc_callback_t (void *);
926 #define AIC_SCB_DATA(softc) ((softc)->scb_data)
930 bus_space_handle_t bsh;
932 bus_dma_tag_t buffer_dmat; /* dmat for buffer I/O */
934 struct scb_data *scb_data;
936 struct scb *next_queued_scb;
939 * SCBs that have been sent to the controller
941 LIST_HEAD(, scb) pending_scbs;
944 * SCBs whose timeout routine has been called.
946 LIST_HEAD(, scb) timedout_scbs;
949 * Counting lock for deferring the release of additional
950 * untagged transactions from the untagged_queues. When
951 * the lock is decremented to 0, all queues in the
952 * untagged_queues array are run.
954 u_int untagged_queue_lock;
957 * Per-target queue of untagged-transactions. The
958 * transaction at the head of the queue is the
959 * currently pending untagged transaction for the
960 * target. The driver only allows a single untagged
961 * transaction per target.
963 struct scb_tailq untagged_queues[AHC_NUM_TARGETS];
966 * Bus attachment specific data.
968 union ahc_bus_softc bus_softc;
971 * Platform specific data.
973 struct ahc_platform_data *platform_data;
976 * Platform specific device information.
978 aic_dev_softc_t dev_softc;
981 * Bus specific device information.
983 ahc_bus_intr_t bus_intr;
986 * Bus specific initialization required
987 * after a chip reset.
989 ahc_bus_chip_init_t bus_chip_init;
992 * Bus specific suspend routine.
994 ahc_bus_suspend_t bus_suspend;
997 * Bus specific resume routine.
999 ahc_bus_resume_t bus_resume;
1002 * Target mode related state kept on a per enabled lun basis.
1003 * Targets that are not enabled will have null entries.
1004 * As an initiator, we keep one target entry for our initiator
1005 * ID to store our sync/wide transfer settings.
1007 struct ahc_tmode_tstate *enabled_targets[AHC_NUM_TARGETS];
1010 * The black hole device responsible for handling requests for
1011 * disabled luns on enabled targets.
1013 struct ahc_tmode_lstate *black_hole;
1016 * Device instance currently on the bus awaiting a continue TIO
1017 * for a command that was not given the disconnect priveledge.
1019 struct ahc_tmode_lstate *pending_device;
1022 * Card characteristics
1025 ahc_feature features;
1028 struct seeprom_config *seep_config;
1030 /* Values to store in the SEQCTL register for pause and unpause */
1034 /* Command Queues */
1035 uint8_t qoutfifonext;
1036 uint8_t qinfifonext;
1040 /* Critical Section Data */
1041 struct cs *critical_sections;
1042 u_int num_critical_sections;
1044 /* Links for chaining softcs */
1045 TAILQ_ENTRY(ahc_softc) links;
1047 /* Channel Names ('A', 'B', etc.) */
1051 /* Initiator Bus ID */
1056 * PCI error detection.
1058 int unsolicited_ints;
1061 * Target incoming command FIFO.
1063 struct target_cmd *targetcmds;
1064 uint8_t tqinfifonext;
1067 * Cached copy of the sequencer control register.
1072 * Incoming and outgoing message handling.
1074 uint8_t send_msg_perror;
1075 ahc_msg_type msg_type;
1076 uint8_t msgout_buf[12];/* Message we are sending */
1077 uint8_t msgin_buf[12];/* Message we are receiving */
1078 u_int msgout_len; /* Length of message to send */
1079 u_int msgout_index; /* Current index in msgout */
1080 u_int msgin_index; /* Current index in msgin */
1083 * Mapping information for data structures shared
1084 * between the sequencer and kernel.
1086 bus_dma_tag_t parent_dmat;
1087 bus_dma_tag_t shared_data_dmat;
1088 bus_dmamap_t shared_data_dmamap;
1089 bus_addr_t shared_data_busaddr;
1092 * Bus address of the one byte buffer used to
1093 * work-around a DMA bug for chips <= aic7880
1096 bus_addr_t dma_bug_buf;
1098 /* Number of enabled target mode device on this card */
1101 /* Initialization level of this data structure */
1104 /* PCI cacheline size. */
1105 u_int pci_cachesize;
1108 * Count of parity errors we have seen as a target.
1109 * We auto-disable parity error checking after seeing
1110 * AHC_PCI_TARGET_PERR_THRESH number of errors.
1112 u_int pci_target_perr_count;
1113 #define AHC_PCI_TARGET_PERR_THRESH 10
1115 /* Maximum number of sequencer instructions supported. */
1116 u_int instruction_ram_size;
1118 /* Per-Unit descriptive information */
1119 const char *description;
1123 /* Selection Timer settings */
1127 uint16_t user_discenable;/* Disconnection allowed */
1128 uint16_t user_tagenable;/* Tagged Queuing allowed */
1131 TAILQ_HEAD(ahc_softc_tailq, ahc_softc);
1132 extern struct ahc_softc_tailq ahc_tailq;
1134 /************************ Active Device Information ***************************/
1141 struct ahc_devinfo {
1144 uint16_t target_mask;
1149 * Only guaranteed to be correct if not
1150 * in the busfree state.
1154 /****************************** PCI Structures ********************************/
1155 #define AHC_PCI_IOADDR PCIR_BAR(0) /* I/O Address */
1156 #define AHC_PCI_MEMADDR PCIR_BAR(1) /* Mem I/O Address */
1158 typedef int (ahc_device_setup_t)(struct ahc_softc *);
1160 struct ahc_pci_identity {
1164 ahc_device_setup_t *setup;
1166 extern struct ahc_pci_identity ahc_pci_ident_table[];
1167 extern const u_int ahc_num_pci_devs;
1169 /***************************** VL/EISA Declarations ***************************/
1170 struct aic7770_identity {
1174 ahc_device_setup_t *setup;
1176 extern struct aic7770_identity aic7770_ident_table[];
1177 extern const int ahc_num_aic7770_devs;
1179 #define AHC_EISA_SLOT_SIZE 0x1000
1180 #define AHC_EISA_SLOT_OFFSET 0xc00
1181 #define AHC_EISA_IOSIZE 0x100
1183 /*************************** Function Declarations ****************************/
1184 /******************************************************************************/
1185 u_int ahc_index_busy_tcl(struct ahc_softc *ahc, u_int tcl);
1186 void ahc_unbusy_tcl(struct ahc_softc *ahc, u_int tcl);
1187 void ahc_busy_tcl(struct ahc_softc *ahc,
1188 u_int tcl, u_int busyid);
1190 /***************************** PCI Front End *********************************/
1191 struct ahc_pci_identity *ahc_find_pci_device(aic_dev_softc_t);
1192 int ahc_pci_config(struct ahc_softc *,
1193 struct ahc_pci_identity *);
1194 int ahc_pci_test_register_access(struct ahc_softc *);
1196 /*************************** EISA/VL Front End ********************************/
1197 struct aic7770_identity *aic7770_find_device(uint32_t);
1198 int aic7770_config(struct ahc_softc *ahc,
1199 struct aic7770_identity *,
1202 /************************** SCB and SCB queue management **********************/
1203 int ahc_probe_scbs(struct ahc_softc *);
1204 void ahc_run_untagged_queues(struct ahc_softc *ahc);
1205 void ahc_run_untagged_queue(struct ahc_softc *ahc,
1206 struct scb_tailq *queue);
1207 void ahc_qinfifo_requeue_tail(struct ahc_softc *ahc,
1209 int ahc_match_scb(struct ahc_softc *ahc, struct scb *scb,
1210 int target, char channel, int lun,
1211 u_int tag, role_t role);
1213 /****************************** Initialization ********************************/
1214 struct ahc_softc *ahc_alloc(void *platform_arg, char *name);
1215 int ahc_softc_init(struct ahc_softc *);
1216 void ahc_controller_info(struct ahc_softc *ahc, char *buf);
1217 int ahc_chip_init(struct ahc_softc *ahc);
1218 int ahc_init(struct ahc_softc *ahc);
1219 void ahc_intr_enable(struct ahc_softc *ahc, int enable);
1220 void ahc_pause_and_flushwork(struct ahc_softc *ahc);
1221 int ahc_suspend(struct ahc_softc *ahc);
1222 int ahc_resume(struct ahc_softc *ahc);
1223 void ahc_softc_insert(struct ahc_softc *);
1224 struct ahc_softc *ahc_find_softc(struct ahc_softc *ahc);
1225 void ahc_set_unit(struct ahc_softc *, int);
1226 void ahc_set_name(struct ahc_softc *, char *);
1227 void ahc_alloc_scbs(struct ahc_softc *ahc);
1228 void ahc_free(struct ahc_softc *ahc);
1229 int ahc_reset(struct ahc_softc *ahc, int reinit);
1230 void ahc_shutdown(void *arg);
1232 /*************************** Interrupt Services *******************************/
1233 void ahc_clear_intstat(struct ahc_softc *ahc);
1234 void ahc_run_qoutfifo(struct ahc_softc *ahc);
1235 #ifdef AHC_TARGET_MODE
1236 void ahc_run_tqinfifo(struct ahc_softc *ahc, int paused);
1238 void ahc_handle_brkadrint(struct ahc_softc *ahc);
1239 void ahc_handle_seqint(struct ahc_softc *ahc, u_int intstat);
1240 void ahc_handle_scsiint(struct ahc_softc *ahc,
1242 void ahc_clear_critical_section(struct ahc_softc *ahc);
1244 /***************************** Error Recovery *********************************/
1249 } ahc_search_action;
1250 int ahc_search_qinfifo(struct ahc_softc *ahc, int target,
1251 char channel, int lun, u_int tag,
1252 role_t role, uint32_t status,
1253 ahc_search_action action);
1254 int ahc_search_untagged_queues(struct ahc_softc *ahc,
1256 int target, char channel,
1257 int lun, uint32_t status,
1258 ahc_search_action action);
1259 int ahc_search_disc_list(struct ahc_softc *ahc, int target,
1260 char channel, int lun, u_int tag,
1261 int stop_on_first, int remove,
1263 void ahc_freeze_devq(struct ahc_softc *ahc, struct scb *scb);
1264 int ahc_reset_channel(struct ahc_softc *ahc, char channel,
1265 int initiate_reset);
1266 int ahc_abort_scbs(struct ahc_softc *ahc, int target,
1267 char channel, int lun, u_int tag,
1268 role_t role, uint32_t status);
1269 void ahc_restart(struct ahc_softc *ahc);
1270 void ahc_calc_residual(struct ahc_softc *ahc,
1272 void ahc_timeout(struct scb *scb);
1273 void ahc_recover_commands(struct ahc_softc *ahc);
1274 /*************************** Utility Functions ********************************/
1275 struct ahc_phase_table_entry*
1276 ahc_lookup_phase_entry(int phase);
1277 void ahc_compile_devinfo(struct ahc_devinfo *devinfo,
1278 u_int our_id, u_int target,
1279 u_int lun, char channel,
1281 /************************** Transfer Negotiation ******************************/
1282 struct ahc_syncrate* ahc_find_syncrate(struct ahc_softc *ahc, u_int *period,
1283 u_int *ppr_options, u_int maxsync);
1284 u_int ahc_find_period(struct ahc_softc *ahc,
1285 u_int scsirate, u_int maxsync);
1286 void ahc_validate_offset(struct ahc_softc *ahc,
1287 struct ahc_initiator_tinfo *tinfo,
1288 struct ahc_syncrate *syncrate,
1289 u_int *offset, int wide,
1291 void ahc_validate_width(struct ahc_softc *ahc,
1292 struct ahc_initiator_tinfo *tinfo,
1296 * Negotiation types. These are used to qualify if we should renegotiate
1297 * even if our goal and current transport parameters are identical.
1300 AHC_NEG_TO_GOAL, /* Renegotiate only if goal and curr differ. */
1301 AHC_NEG_IF_NON_ASYNC, /* Renegotiate so long as goal is non-async. */
1302 AHC_NEG_ALWAYS /* Renegotiat even if goal is async. */
1304 int ahc_update_neg_request(struct ahc_softc*,
1305 struct ahc_devinfo*,
1306 struct ahc_tmode_tstate*,
1307 struct ahc_initiator_tinfo*,
1309 void ahc_set_width(struct ahc_softc *ahc,
1310 struct ahc_devinfo *devinfo,
1311 u_int width, u_int type, int paused);
1312 void ahc_set_syncrate(struct ahc_softc *ahc,
1313 struct ahc_devinfo *devinfo,
1314 struct ahc_syncrate *syncrate,
1315 u_int period, u_int offset,
1317 u_int type, int paused);
1324 void ahc_set_tags(struct ahc_softc *ahc,
1325 struct ahc_devinfo *devinfo,
1328 /**************************** Target Mode *************************************/
1329 #ifdef AHC_TARGET_MODE
1330 void ahc_send_lstate_events(struct ahc_softc *,
1331 struct ahc_tmode_lstate *);
1332 void ahc_handle_en_lun(struct ahc_softc *ahc,
1333 struct cam_sim *sim, union ccb *ccb);
1334 cam_status ahc_find_tmode_devs(struct ahc_softc *ahc,
1335 struct cam_sim *sim, union ccb *ccb,
1336 struct ahc_tmode_tstate **tstate,
1337 struct ahc_tmode_lstate **lstate,
1338 int notfound_failure);
1339 #ifndef AHC_TMODE_ENABLE
1340 #define AHC_TMODE_ENABLE 0
1343 /******************************* Debug ***************************************/
1345 extern uint32_t ahc_debug;
1346 #define AHC_SHOW_MISC 0x0001
1347 #define AHC_SHOW_SENSE 0x0002
1348 #define AHC_DUMP_SEEPROM 0x0004
1349 #define AHC_SHOW_TERMCTL 0x0008
1350 #define AHC_SHOW_MEMORY 0x0010
1351 #define AHC_SHOW_MESSAGES 0x0020
1352 #define AHC_SHOW_DV 0x0040
1353 #define AHC_SHOW_SELTO 0x0080
1354 #define AHC_SHOW_QFULL 0x0200
1355 #define AHC_SHOW_QUEUE 0x0400
1356 #define AHC_SHOW_TQIN 0x0800
1357 #define AHC_SHOW_MASKED_ERRORS 0x1000
1358 #define AHC_DEBUG_SEQUENCER 0x2000
1360 void ahc_print_scb(struct scb *scb);
1361 void ahc_print_devinfo(struct ahc_softc *ahc,
1362 struct ahc_devinfo *dev);
1363 void ahc_dump_card_state(struct ahc_softc *ahc);
1364 int ahc_print_register(ahc_reg_parse_entry_t *table,
1371 /******************************* SEEPROM *************************************/
1372 int ahc_acquire_seeprom(struct ahc_softc *ahc,
1373 struct seeprom_descriptor *sd);
1374 void ahc_release_seeprom(struct seeprom_descriptor *sd);
1375 #endif /* _AIC7XXX_H_ */