aic79xx.h revision 1da177e4c3f41524e886b7f1b8a0c1fc7321cac
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Core definitions and data structures shareable across OS platforms. 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 1994-2002 Justin T. Gibbs. 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 2000-2002 Adaptec Inc. 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * All rights reserved. 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Redistribution and use in source and binary forms, with or without 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * modification, are permitted provided that the following conditions 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * are met: 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1. Redistributions of source code must retain the above copyright 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * notice, this list of conditions, and the following disclaimer, 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * without modification. 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2. Redistributions in binary form must reproduce at minimum a disclaimer 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * substantially similar to the "NO WARRANTY" disclaimer below 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ("Disclaimer") and any redistribution must be conditioned upon 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * including a substantially similar Disclaimer requirement for further 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * binary redistribution. 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3. Neither the names of the above-listed copyright holders nor the names 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * of any contributors may be used to endorse or promote products derived 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * from this software without specific prior written permission. 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Alternatively, this software may be distributed under the terms of the 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * GNU General Public License ("GPL") version 2 as published by the Free 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Software Foundation. 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * NO WARRANTY 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * POSSIBILITY OF SUCH DAMAGES. 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * $Id: //depot/aic7xxx/aic7xxx/aic79xx.h#95 $ 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * $FreeBSD$ 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef _AIC79XX_H_ 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _AIC79XX_H_ 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Register Definitions */ 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "aic79xx_reg.h" 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************* Forward Declarations *******************************/ 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_platform_data; 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct scb_platform_data; 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/****************************** Useful Macros *********************************/ 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef MAX 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX(a,b) (((a) > (b)) ? (a) : (b)) 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef MIN 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MIN(a,b) (((a) < (b)) ? (a) : (b)) 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef TRUE 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TRUE 1 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef FALSE 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FALSE 0 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define NUM_ELEMENTS(array) (sizeof(array) / sizeof(*array)) 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ALL_CHANNELS '\0' 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ALL_TARGETS_MASK 0xFFFF 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define INITIATOR_WILDCARD (~0) 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCB_LIST_NULL 0xFF00 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCB_LIST_NULL_LE (ahd_htole16(SCB_LIST_NULL)) 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define QOUTFIFO_ENTRY_VALID 0x8000 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define QOUTFIFO_ENTRY_VALID_LE (ahd_htole16(0x8000)) 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCBID_IS_NULL(scbid) (((scbid) & 0xFF00 ) == SCB_LIST_NULL) 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCSIID_TARGET(ahd, scsiid) \ 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (((scsiid) & TID) >> TID_SHIFT) 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCSIID_OUR_ID(scsiid) \ 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((scsiid) & OID) 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCSIID_CHANNEL(ahd, scsiid) ('A') 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCB_IS_SCSIBUS_B(ahd, scb) (0) 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCB_GET_OUR_ID(scb) \ 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCSIID_OUR_ID((scb)->hscb->scsiid) 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCB_GET_TARGET(ahd, scb) \ 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCSIID_TARGET((ahd), (scb)->hscb->scsiid) 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCB_GET_CHANNEL(ahd, scb) \ 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCSIID_CHANNEL(ahd, (scb)->hscb->scsiid) 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCB_GET_LUN(scb) \ 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((scb)->hscb->lun) 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCB_GET_TARGET_OFFSET(ahd, scb) \ 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_GET_TARGET(ahd, scb) 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCB_GET_TARGET_MASK(ahd, scb) \ 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (0x01 << (SCB_GET_TARGET_OFFSET(ahd, scb))) 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef AHD_DEBUG 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCB_IS_SILENT(scb) \ 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((ahd_debug & AHD_SHOW_MASKED_ERRORS) == 0 \ 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && (((scb)->flags & SCB_SILENT) != 0)) 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCB_IS_SILENT(scb) \ 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (((scb)->flags & SCB_SILENT) != 0) 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * TCLs have the following format: TTTTLLLLLLLL 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TCL_TARGET_OFFSET(tcl) \ 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((((tcl) >> 4) & TID) >> 4) 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define TCL_LUN(tcl) \ 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (tcl & (AHD_NUM_LUNS - 1)) 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define BUILD_TCL(scsiid, lun) \ 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((lun) | (((scsiid) & TID) << 4)) 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define BUILD_TCL_RAW(target, channel, lun) \ 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((lun) | ((target) << 8)) 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SCB_GET_TAG(scb) \ 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_le16toh(scb->hscb->tag) 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef AHD_TARGET_MODE 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#undef AHD_TMODE_ENABLE 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_TMODE_ENABLE 0 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_BUILD_COL_IDX(target, lun) \ 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (((lun) << 4) | target) 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_GET_SCB_COL_IDX(ahd, scb) \ 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((SCB_GET_LUN(scb) << 4) | SCB_GET_TARGET(ahd, scb)) 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SET_SCB_COL_IDX(scb, col_idx) \ 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsdo { \ 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (scb)->hscb->scsiid = ((col_idx) << TID_SHIFT) & TID; \ 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (scb)->hscb->lun = ((col_idx) >> 4) & (AHD_NUM_LUNS_NONPKT-1); \ 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} while (0) 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_COPY_SCB_COL_IDX(dst, src) \ 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsdo { \ 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dst->hscb->scsiid = src->hscb->scsiid; \ 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dst->hscb->lun = src->hscb->lun; \ 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} while (0) 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_NEVER_COL_IDX 0xFFFF 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/**************************** Driver Constants ********************************/ 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The maximum number of supported targets. 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_NUM_TARGETS 16 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The maximum number of supported luns. 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The identify message only supports 64 luns in non-packetized transfers. 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * You can have 2^64 luns when information unit transfers are enabled, 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * but until we see a need to support that many, we support 256. 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_NUM_LUNS_NONPKT 64 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_NUM_LUNS 256 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The maximum transfer per S/G segment. 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_MAXTRANSFER_SIZE 0x00ffffff /* limited by 24bit counter */ 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The maximum amount of SCB storage in hardware on a controller. 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This value represents an upper bound. Due to software design, 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * we may not be able to use this number. 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SCB_MAX 512 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The maximum number of concurrent transactions supported per driver instance. 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Sequencer Control Blocks (SCBs) store per-transaction information. 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_MAX_QUEUE AHD_SCB_MAX 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Define the size of our QIN and QOUT FIFOs. They must be a power of 2 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * in size and accommodate as many transactions as can be queued concurrently. 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_QIN_SIZE AHD_MAX_QUEUE 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_QOUT_SIZE AHD_MAX_QUEUE 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_QIN_WRAP(x) ((x) & (AHD_QIN_SIZE-1)) 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The maximum amount of SCB storage we allocate in host memory. 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SCB_MAX_ALLOC AHD_MAX_QUEUE 1931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Ring Buffer of incoming target commands. 1961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * We allocate 256 to simplify the logic in the sequencer 1971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * by using the natural wrap point of an 8bit counter. 1981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_TMODE_CMDS 256 2001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Reset line assertion time in us */ 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_BUSRESET_DELAY 25 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************* Chip Characteristics/Operating Settings *****************/ 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Chip Type 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The chip order is from least sophisticated to most sophisticated. 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_NONE = 0x0000, 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_CHIPID_MASK = 0x00FF, 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_AIC7901 = 0x0001, 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_AIC7902 = 0x0002, 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_AIC7901A = 0x0003, 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_PCI = 0x0100, /* Bus type PCI */ 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_PCIX = 0x0200, /* Bus type PCIX */ 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_BUS_MASK = 0x0F00 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} ahd_chip; 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Features available in each chip type. 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_FENONE = 0x00000, 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_WIDE = 0x00001,/* Wide Channel */ 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_MULTI_FUNC = 0x00100,/* Multi-Function/Channel Device */ 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_TARGETMODE = 0x01000,/* Has tested target mode support */ 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_MULTIROLE = 0x02000,/* Space for two roles at a time */ 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_RTI = 0x04000,/* Retained Training Support */ 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_NEW_IOCELL_OPTS = 0x08000,/* More Signal knobs in the IOCELL */ 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_NEW_DFCNTRL_OPTS = 0x10000,/* SCSIENWRDIS bit */ 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_FAST_CDB_DELIVERY = 0x20000,/* CDB acks released to Output Sync */ 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_REMOVABLE = 0x00000,/* Hot-Swap supported - None so far*/ 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_AIC7901_FE = AHD_FENONE, 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_AIC7901A_FE = AHD_FENONE, 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_AIC7902_FE = AHD_MULTI_FUNC 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} ahd_feature; 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Bugs in the silicon that we work around in software. 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_BUGNONE = 0x0000, 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Rev A hardware fails to update LAST/CURR/NEXTSCB 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * correctly in certain packetized selection cases. 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_SENT_SCB_UPDATE_BUG = 0x0001, 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* The wrong SCB is accessed to check the abort pending bit. */ 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_ABORT_LQI_BUG = 0x0002, 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Packetized bitbucket crosses packet boundaries. */ 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_PKT_BITBUCKET_BUG = 0x0004, 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* The selection timer runs twice as long as its setting. */ 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_LONG_SETIMO_BUG = 0x0008, 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* The Non-LQ CRC error status is delayed until phase change. */ 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_NLQICRC_DELAYED_BUG = 0x0010, 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* The chip must be reset for all outgoing bus resets. */ 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_SCSIRST_BUG = 0x0020, 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Some PCIX fields must be saved and restored across chip reset. */ 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_PCIX_CHIPRST_BUG = 0x0040, 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* MMAPIO is not functional in PCI-X mode. */ 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_PCIX_MMAPIO_BUG = 0x0080, 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Reads to SCBRAM fail to reset the discard timer. */ 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_PCIX_SCBRAM_RD_BUG = 0x0100, 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Bug workarounds that can be disabled on non-PCIX busses. */ 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_PCIX_BUG_MASK = AHD_PCIX_CHIPRST_BUG 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | AHD_PCIX_MMAPIO_BUG 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds | AHD_PCIX_SCBRAM_RD_BUG, 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * LQOSTOP0 status set even for forced selections with ATN 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to perform non-packetized message delivery. 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_LQO_ATNO_BUG = 0x0200, 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* FIFO auto-flush does not always trigger. */ 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_AUTOFLUSH_BUG = 0x0400, 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* The CLRLQO registers are not self-clearing. */ 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_CLRLQO_AUTOCLR_BUG = 0x0800, 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* The PACKETIZED status bit refers to the previous connection. */ 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_PKTIZED_STATUS_BUG = 0x1000, 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* "Short Luns" are not placed into outgoing LQ packets correctly. */ 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_PKT_LUN_BUG = 0x2000, 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Only the FIFO allocated to the non-packetized connection may 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * be in use during a non-packetzied connection. 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_NONPACKFIFO_BUG = 0x4000, 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Writing to a DFF SCBPTR register may fail if concurent with 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * a hardware write to the other DFF SCBPTR register. This is 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * not currently a concern in our sequencer since all chips with 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * this bug have the AHD_NONPACKFIFO_BUG and all writes of concern 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * occur in non-packetized connections. 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_MDFF_WSCBPTR_BUG = 0x8000, 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* SGHADDR updates are slow. */ 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_REG_SLOW_SETTLE_BUG = 0x10000, 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Changing the MODE_PTR coincident with an interrupt that 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * switches to a different mode will cause the interrupt to 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * be in the mode written outside of interrupt context. 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_SET_MODE_BUG = 0x20000, 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Non-packetized busfree revision does not work. */ 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_BUSFREEREV_BUG = 0x40000, 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Paced transfers are indicated with a non-standard PPR 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * option bit in the neg table, 160MHz is indicated by 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * sync factor 0x7, and the offset if off by a factor of 2. 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_PACED_NEGTABLE_BUG = 0x80000, 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* LQOOVERRUN false positives. */ 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_LQOOVERRUN_BUG = 0x100000, 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Controller write to INTSTAT will lose to a host 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * write to CLRINT. 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_INTCOLLISION_BUG = 0x200000, 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The GEM318 violates the SCSI spec by not waiting 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the mandated bus settle delay between phase changes 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * in some situations. Some aic79xx chip revs. are more 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * strict in this regard and will treat REQ assertions 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * that fall within the bus settle delay window as 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * glitches. This flag tells the firmware to tolerate 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * early REQ assertions. 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_EARLY_REQ_BUG = 0x400000, 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The LED does not stay on long enough in packetized modes. 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_FAINT_LED_BUG = 0x800000 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} ahd_bug; 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Configuration specific settings. 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The driver determines these settings by probing the 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * chip/controller's configuration. 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_FNONE = 0x00000, 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_BOOT_CHANNEL = 0x00001,/* We were set as the boot channel. */ 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_USEDEFAULTS = 0x00004,/* 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * For cards without an seeprom 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * or a BIOS to initialize the chip's 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SRAM, we use the default target 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * settings. 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_SEQUENCER_DEBUG = 0x00008, 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_RESET_BUS_A = 0x00010, 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_EXTENDED_TRANS_A = 0x00020, 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_TERM_ENB_A = 0x00040, 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_SPCHK_ENB_A = 0x00080, 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_STPWLEVEL_A = 0x00100, 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_INITIATORROLE = 0x00200,/* 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Allow initiator operations on 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * this controller. 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_TARGETROLE = 0x00400,/* 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Allow target operations on this 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * controller. 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_RESOURCE_SHORTAGE = 0x00800, 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_TQINFIFO_BLOCKED = 0x01000,/* Blocked waiting for ATIOs */ 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_INT50_SPEEDFLEX = 0x02000,/* 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Internal 50pin connector 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * sits behind an aic3860 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_BIOS_ENABLED = 0x04000, 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_ALL_INTERRUPTS = 0x08000, 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_39BIT_ADDRESSING = 0x10000,/* Use 39 bit addressing scheme. */ 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_64BIT_ADDRESSING = 0x20000,/* Use 64 bit addressing scheme. */ 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_CURRENT_SENSING = 0x40000, 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_SCB_CONFIG_USED = 0x80000,/* No SEEPROM but SCB had info. */ 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_HP_BOARD = 0x100000, 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_RESET_POLL_ACTIVE = 0x200000, 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_UPDATE_PEND_CMDS = 0x400000, 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_RUNNING_QOUTFIFO = 0x800000, 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_HAD_FIRST_SEL = 0x1000000 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} ahd_flag; 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************* Hardware SCB Definition ***************************/ 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The driver keeps up to MAX_SCB scb structures per card in memory. The SCB 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * consists of a "hardware SCB" mirroring the fields available on the card 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * and additional information the kernel stores for each transaction. 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * To minimize space utilization, a portion of the hardware scb stores 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * different data during different portions of a SCSI transaction. 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * As initialized by the host driver for the initiator role, this area 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * contains the SCSI cdb (or a pointer to the cdb) to be executed. After 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the cdb has been presented to the target, this area serves to store 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * residual transfer information and the SCSI status byte. 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * For the target role, the contents of this area do not change, but 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * still serve a different purpose than for the initiator role. See 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * struct target_data for details. 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Status information embedded in the shared poriton of 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * an SCB after passing the cdb to the target. The kernel 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * driver will only read this data for transactions that 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * complete abnormally. 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct initiator_status { 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint32_t residual_datacnt; /* Residual in the current S/G seg */ 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint32_t residual_sgptr; /* The next S/G for this transfer */ 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t scsi_status; /* Standard SCSI status byte */ 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct target_status { 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint32_t residual_datacnt; /* Residual in the current S/G seg */ 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint32_t residual_sgptr; /* The next S/G for this transfer */ 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t scsi_status; /* SCSI status to give to initiator */ 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t target_phases; /* Bitmap of phases to execute */ 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t data_phase; /* Data-In or Data-Out */ 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t initiator_tag; /* Initiator's transaction tag */ 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Initiator mode SCB shared data area. 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * If the embedded CDB is 12 bytes or less, we embed 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the sense buffer address in the SCB. This allows 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * us to retrieve sense information without interrupting 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the host in packetized mode. 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef uint32_t sense_addr_t; 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX_CDB_LEN 16 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX_CDB_LEN_WITH_SENSE_ADDR (MAX_CDB_LEN - sizeof(sense_addr_t)) 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsunion initiator_data { 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct { 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint64_t cdbptr; 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t cdblen; 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } cdb_from_host; 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t cdb[MAX_CDB_LEN]; 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct { 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t cdb[MAX_CDB_LEN_WITH_SENSE_ADDR]; 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sense_addr_t sense_addr; 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } cdb_plus_saddr; 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Target mode version of the shared data SCB segment. 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct target_data { 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint32_t spare[2]; 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t scsi_status; /* SCSI status to give to initiator */ 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t target_phases; /* Bitmap of phases to execute */ 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t data_phase; /* Data-In or Data-Out */ 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t initiator_tag; /* Initiator's transaction tag */ 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct hardware_scb { 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*0*/ union { 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds union initiator_data idata; 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct target_data tdata; 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct initiator_status istatus; 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct target_status tstatus; 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } shared_data; 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * A word about residuals. 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The scb is presented to the sequencer with the dataptr and datacnt 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * fields initialized to the contents of the first S/G element to 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * transfer. The sgptr field is initialized to the bus address for 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the S/G element that follows the first in the in core S/G array 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * or'ed with the SG_FULL_RESID flag. Sgptr may point to an invalid 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * S/G entry for this transfer (single S/G element transfer with the 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * first elements address and length preloaded in the dataptr/datacnt 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * fields). If no transfer is to occur, sgptr is set to SG_LIST_NULL. 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The SG_FULL_RESID flag ensures that the residual will be correctly 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * noted even if no data transfers occur. Once the data phase is entered, 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the residual sgptr and datacnt are loaded from the sgptr and the 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * datacnt fields. After each S/G element's dataptr and length are 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * loaded into the hardware, the residual sgptr is advanced. After 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * each S/G element is expired, its datacnt field is checked to see 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * if the LAST_SEG flag is set. If so, SG_LIST_NULL is set in the 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * residual sg ptr and the transfer is considered complete. If the 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * sequencer determines that there is a residual in the tranfer, or 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * there is non-zero status, it will set the SG_STATUS_VALID flag in 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * sgptr and dma the scb back into host memory. To sumarize: 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Sequencer: 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * o A residual has occurred if SG_FULL_RESID is set in sgptr, 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * or residual_sgptr does not have SG_LIST_NULL set. 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * o We are transfering the last segment if residual_datacnt has 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the SG_LAST_SEG flag set. 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Host: 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * o A residual can only have occurred if a completed scb has the 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SG_STATUS_VALID flag set. Inspection of the SCSI status field, 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the residual_datacnt, and the residual_sgptr field will tell 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * for sure. 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * o residual_sgptr and sgptr refer to the "next" sg entry 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * and so may point beyond the last valid sg entry for the 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * transfer. 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define SG_PTR_MASK 0xFFFFFFF8 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*16*/ uint16_t tag; /* Reused by Sequencer. */ 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*18*/ uint8_t control; /* See SCB_CONTROL in aic79xx.reg for details */ 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*19*/ uint8_t scsiid; /* 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Selection out Id 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Our Id (bits 0-3) Their ID (bits 4-7) 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*20*/ uint8_t lun; 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*21*/ uint8_t task_attribute; 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*22*/ uint8_t cdb_len; 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*23*/ uint8_t task_management; 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*24*/ uint64_t dataptr; 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*32*/ uint32_t datacnt; /* Byte 3 is spare. */ 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*36*/ uint32_t sgptr; 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*40*/ uint32_t hscb_busaddr; 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*44*/ uint32_t next_hscb_busaddr; 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/********** Long lun field only downloaded for full 8 byte lun support ********/ 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*48*/ uint8_t pkt_long_lun[8]; 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******* Fields below are not Downloaded (Sequencer may use for scratch) ******/ 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*56*/ uint8_t spare[8]; 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ Kernel SCB Definitions ******************************/ 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Some fields of the SCB are OS dependent. Here we collect the 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * definitions for elements that all OS platforms need to include 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * in there SCB definition. 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Definition of a scatter/gather element as transfered to the controller. 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The aic7xxx chips only support a 24bit length. We use the top byte of 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the length to store additional address bits and a flag to indicate 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * that a given segment terminates the transfer. This gives us an 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * addressable range of 512GB on machines with 64bit PCI or with chips 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * that can support dual address cycles on 32bit PCI busses. 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_dma_seg { 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint32_t addr; 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint32_t len; 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_DMA_LAST_SEG 0x80000000 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SG_HIGH_ADDR_MASK 0x7F000000 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SG_LEN_MASK 0x00FFFFFF 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_dma64_seg { 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint64_t addr; 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint32_t len; 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint32_t pad; 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct map_node { 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bus_dmamap_t dmamap; 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_addr_t physaddr; 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t *vaddr; 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SLIST_ENTRY(map_node) links; 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The current state of this SCB. 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_FLAG_NONE = 0x00000, 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_TRANSMISSION_ERROR = 0x00001,/* 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * We detected a parity or CRC 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * error that has effected the 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * payload of the command. This 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * flag is checked when normal 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * status is returned to catch 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the case of a target not 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * responding to our attempt 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to report the error. 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_OTHERTCL_TIMEOUT = 0x00002,/* 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Another device was active 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * during the first timeout for 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * this SCB so we gave ourselves 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * an additional timeout period 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * in case it was hogging the 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * bus. 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_DEVICE_RESET = 0x00004, 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_SENSE = 0x00008, 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_CDB32_PTR = 0x00010, 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_RECOVERY_SCB = 0x00020, 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_AUTO_NEGOTIATE = 0x00040,/* Negotiate to achieve goal. */ 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_NEGOTIATE = 0x00080,/* Negotiation forced for command. */ 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_ABORT = 0x00100, 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_ACTIVE = 0x00200, 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_TARGET_IMMEDIATE = 0x00400, 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_PACKETIZED = 0x00800, 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_EXPECT_PPR_BUSFREE = 0x01000, 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_PKT_SENSE = 0x02000, 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_CMDPHASE_ABORT = 0x04000, 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_ON_COL_LIST = 0x08000, 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SCB_SILENT = 0x10000 /* 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Be quiet about transmission type 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * errors. They are expected and we 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * don't want to upset the user. This 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * flag is typically used during DV. 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} scb_flag; 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct scb { 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct hardware_scb *hscb; 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds union { 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SLIST_ENTRY(scb) sle; 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LIST_ENTRY(scb) le; 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds TAILQ_ENTRY(scb) tqe; 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } links; 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds union { 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SLIST_ENTRY(scb) sle; 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LIST_ENTRY(scb) le; 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds TAILQ_ENTRY(scb) tqe; 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } links2; 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define pending_links links2.le 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define collision_links links2.le 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct scb *col_scb; 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_io_ctx_t io_ctx; 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_softc *ahd_softc; 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds scb_flag flags; 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef __linux__ 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bus_dmamap_t dmamap; 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct scb_platform_data *platform_data; 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct map_node *hscb_map; 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct map_node *sg_map; 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct map_node *sense_map; 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void *sg_list; 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t *sense_data; 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_addr_t sg_list_busaddr; 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_addr_t sense_busaddr; 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int sg_count;/* How full ahd_dma_seg is */ 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_MAX_LQ_CRC_ERRORS 5 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int crc_retry_count; 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsTAILQ_HEAD(scb_tailq, scb); 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsLIST_HEAD(scb_list, scb); 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct scb_data { 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * TAILQ of lists of free SCBs grouped by device 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * collision domains. 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct scb_tailq free_scbs; 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Per-device lists of SCBs whose tag ID would collide 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * with an already active tag on the device. 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct scb_list free_scb_lists[AHD_NUM_TARGETS * AHD_NUM_LUNS_NONPKT]; 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SCBs that will not collide with any active device. 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct scb_list any_dev_free_scb_list; 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Mapping from tag to SCB. 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct scb *scbindex[AHD_SCB_MAX]; 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * "Bus" addresses of our data structures. 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bus_dma_tag_t hscb_dmat; /* dmat for our hardware SCB array */ 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bus_dma_tag_t sg_dmat; /* dmat for our sg segments */ 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bus_dma_tag_t sense_dmat; /* dmat for our sense buffers */ 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SLIST_HEAD(, map_node) hscb_maps; 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SLIST_HEAD(, map_node) sg_maps; 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SLIST_HEAD(, map_node) sense_maps; 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int scbs_left; /* unallocated scbs in head map_node */ 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int sgs_left; /* unallocated sgs in head map_node */ 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int sense_left; /* unallocated sense in head map_node */ 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t numscbs; 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t maxhscbs; /* Number of SCBs on the card */ 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t init_level; /* 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * How far we've initialized 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * this structure. 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ Target Mode Definitions *****************************/ 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Connection desciptor for select-in requests in target mode. 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct target_cmd { 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t scsiid; /* Our ID and the initiator's ID */ 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t identify; /* Identify message */ 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t bytes[22]; /* 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Bytes contains any additional message 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * bytes terminated by 0xFF. The remainder 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * is the cdb to execute. 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t cmd_valid; /* 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * When a command is complete, the firmware 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * will set cmd_valid to all bits set. 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * After the host has seen the command, 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the bits are cleared. This allows us 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to just peek at host memory to determine 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * if more work is complete. cmd_valid is on 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * an 8 byte boundary to simplify setting 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it on aic7880 hardware which only has 7041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * limited direct access to the DMA FIFO. 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t pad[7]; 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Number of events we can buffer up if we run out 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * of immediate notify ccbs. 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_TMODE_EVENT_BUFFER_SIZE 8 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_tmode_event { 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t initiator_id; 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t event_type; /* MSG type or EVENT_TYPE_BUS_RESET */ 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define EVENT_TYPE_BUS_RESET 0xFF 7181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t event_arg; 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Per enabled lun target mode state. 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * As this state is directly influenced by the host OS'es target mode 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * environment, we let the OS module define it. Forward declare the 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * structure here so we can store arrays of them, etc. in OS neutral 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * data structures. 7271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef AHD_TARGET_MODE 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_tmode_lstate { 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct cam_path *path; 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ccb_hdr_slist accept_tios; 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ccb_hdr_slist immed_notifies; 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_tmode_event event_buffer[AHD_TMODE_EVENT_BUFFER_SIZE]; 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t event_r_idx; 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t event_w_idx; 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_tmode_lstate; 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************** Transfer Negotiation Datastructures *********************/ 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_TRANS_CUR 0x01 /* Modify current neogtiation status */ 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_TRANS_ACTIVE 0x03 /* Assume this target is on the bus */ 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_TRANS_GOAL 0x04 /* Modify negotiation goal */ 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_TRANS_USER 0x08 /* Modify user negotiation settings */ 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_PERIOD_10MHz 0x19 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_WIDTH_UNKNOWN 0xFF 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_PERIOD_UNKNOWN 0xFF 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_OFFSET_UNKNOWN 0xFF 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_PPR_OPTS_UNKNOWN 0xFF 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Transfer Negotiation Information. 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_transinfo { 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t protocol_version; /* SCSI Revision level */ 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t transport_version; /* SPI Revision level */ 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t width; /* Bus width */ 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t period; /* Sync rate factor */ 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t offset; /* Sync offset */ 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t ppr_options; /* Parallel Protocol Request options */ 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Per-initiator current, goal and user transfer negotiation information. */ 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_initiator_tinfo { 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_transinfo curr; 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_transinfo goal; 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_transinfo user; 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Per enabled target ID state. 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Pointers to lun target state as well as sync/wide negotiation information 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * for each initiator<->target mapping. For the initiator role we pretend 7771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * that we are the target and the targets are the initiators since the 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * negotiation is the same regardless of role. 7791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 7801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_tmode_tstate { 7811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_tmode_lstate* enabled_luns[AHD_NUM_LUNS]; 7821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_initiator_tinfo transinfo[AHD_NUM_TARGETS]; 7831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Per initiator state bitmasks. 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t auto_negotiate;/* Auto Negotiation Required */ 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t discenable; /* Disconnection allowed */ 7891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t tagenable; /* Tagged Queuing allowed */ 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 7931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Points of interest along the negotiated transfer scale. 7941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 7951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SYNCRATE_160 0x8 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SYNCRATE_PACED 0x8 7971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SYNCRATE_DT 0x9 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SYNCRATE_ULTRA2 0xa 7991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SYNCRATE_ULTRA 0xc 8001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SYNCRATE_FAST 0x19 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SYNCRATE_MIN_DT AHD_SYNCRATE_FAST 8021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SYNCRATE_SYNC 0x32 8031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SYNCRATE_MIN 0x60 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SYNCRATE_ASYNC 0xFF 8051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SYNCRATE_MAX AHD_SYNCRATE_160 8061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Safe and valid period for async negotiations. */ 8081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_ASYNC_XFER_PERIOD 0x44 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * In RevA, the synctable uses a 120MHz rate for the period 8121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * factor 8 and 160MHz for the period factor 7. The 120MHz 8131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * rate never made it into the official SCSI spec, so we must 8141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * compensate when setting the negotiation table for Rev A 8151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * parts. 8161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SYNCRATE_REVA_120 0x8 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SYNCRATE_REVA_160 0x7 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/***************************** Lookup Tables **********************************/ 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Phase -> name and message out response 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to parity errors in each phase table. 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_phase_table_entry { 8261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t phase; 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t mesg_out; /* Message response to parity errors */ 8281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *phasemsg; 8291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************** Serial EEPROM Format ******************************/ 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct seeprom_config { 8341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 8351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Per SCSI ID Configuration Flags 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t device_flags[16]; /* words 0-15 */ 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFXFER 0x003F /* synchronous transfer rate */ 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFXFER_ASYNC 0x3F 8401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFQAS 0x0040 /* Negotiate QAS */ 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFPACKETIZED 0x0080 /* Negotiate Packetized Transfers */ 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFSTART 0x0100 /* send start unit SCSI command */ 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFINCBIOS 0x0200 /* include in BIOS scan */ 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFDISC 0x0400 /* enable disconnection */ 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFMULTILUNDEV 0x0800 /* Probe multiple luns in BIOS scan */ 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFWIDEB 0x1000 /* wide bus device */ 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFHOSTMANAGED 0x8000 /* Managed by a RAID controller */ 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * BIOS Control Bits 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t bios_control; /* word 16 */ 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFSUPREM 0x0001 /* support all removeable drives */ 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFSUPREMB 0x0002 /* support removeable boot drives */ 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFBIOSSTATE 0x000C /* BIOS Action State */ 8561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFBS_DISABLED 0x00 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFBS_ENABLED 0x04 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFBS_DISABLED_SCAN 0x08 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFENABLEDV 0x0010 /* Perform Domain Validation */ 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFCTRL_A 0x0020 /* BIOS displays Ctrl-A message */ 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFSPARITY 0x0040 /* SCSI parity */ 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFEXTEND 0x0080 /* extended translation enabled */ 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFBOOTCD 0x0100 /* Support Bootable CD-ROM */ 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFMSG_LEVEL 0x0600 /* BIOS Message Level */ 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFMSG_VERBOSE 0x0000 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFMSG_SILENT 0x0200 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFMSG_DIAG 0x0400 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFRESETB 0x0800 /* reset SCSI bus at boot */ 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* UNUSED 0xf000 */ 8701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Host Adapter Control Bits 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t adapter_control; /* word 17 */ 8751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFAUTOTERM 0x0001 /* Perform Auto termination */ 8761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFSTERM 0x0002 /* SCSI low byte termination */ 8771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFWSTERM 0x0004 /* SCSI high byte termination */ 8781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFSEAUTOTERM 0x0008 /* Ultra2 Perform secondary Auto Term*/ 8791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFSELOWTERM 0x0010 /* Ultra2 secondary low term */ 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFSEHIGHTERM 0x0020 /* Ultra2 secondary high term */ 8811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFSTPWLEVEL 0x0040 /* Termination level control */ 8821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFBIOSAUTOTERM 0x0080 /* Perform Auto termination */ 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFTERM_MENU 0x0100 /* BIOS displays termination menu */ 8841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFCLUSTERENB 0x8000 /* Cluster Enable */ 8851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 8871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Bus Release Time, Host Adapter ID 8881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t brtime_id; /* word 18 */ 8901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFSCSIID 0x000f /* host adapter SCSI ID */ 8911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* UNUSED 0x00f0 */ 8921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFBRTIME 0xff00 /* bus release time/PCI Latency Time */ 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Maximum targets 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t max_targets; /* word 19 */ 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFMAXTARG 0x00ff /* maximum targets */ 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFBOOTLUN 0x0f00 /* Lun to boot from */ 9001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFBOOTID 0xf000 /* Target to boot from */ 9011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t res_1[10]; /* words 20-29 */ 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t signature; /* BIOS Signature */ 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CFSIGNATURE 0x400 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t checksum; /* word 31 */ 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 9061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 9081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Vital Product Data used during POST and by the BIOS. 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct vpd_config { 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t bios_flags; 9121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VPDMASTERBIOS 0x0001 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define VPDBOOTHOST 0x0002 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t reserved_1[21]; 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t resource_type; 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t resource_len[2]; 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t resource_data[8]; 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t vpd_tag; 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t vpd_len; 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t vpd_keyword[2]; 9211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t length; 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t revision; 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t device_flags; 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t termnation_menus[2]; 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t fifo_threshold; 9261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t end_tag; 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t vpd_checksum; 9281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t default_target_flags; 9291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t default_bios_flags; 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t default_ctrl_flags; 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t default_irq; 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t pci_lattime; 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t max_target; 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t boot_lun; 9351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t signature; 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t reserved_2; 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t checksum; 9381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t reserved_3[4]; 9391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/****************************** Flexport Logic ********************************/ 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLXADDR_TERMCTL 0x0 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_TERMCTL_ENSECHIGH 0x8 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_TERMCTL_ENSECLOW 0x4 9451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_TERMCTL_ENPRIHIGH 0x2 9461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_TERMCTL_ENPRILOW 0x1 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLXADDR_ROMSTAT_CURSENSECTL 0x1 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_ROMSTAT_SEECFG 0xF0 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_ROMSTAT_EECFG 0x0F 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_ROMSTAT_SEE_93C66 0x00 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_ROMSTAT_SEE_NONE 0xF0 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_ROMSTAT_EE_512x8 0x0 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_ROMSTAT_EE_1MBx8 0x1 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_ROMSTAT_EE_2MBx8 0x2 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_ROMSTAT_EE_4MBx8 0x3 9561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_ROMSTAT_EE_16MBx8 0x4 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define CURSENSE_ENB 0x1 9581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLXADDR_FLEXSTAT 0x2 9591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_FSTAT_BUSY 0x1 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLXADDR_CURRENT_STAT 0x4 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_CSTAT_SEC_HIGH 0xC0 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_CSTAT_SEC_LOW 0x30 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_CSTAT_PRI_HIGH 0x0C 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_CSTAT_PRI_LOW 0x03 9651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_CSTAT_MASK 0x03 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_CSTAT_SHIFT 2 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_CSTAT_OKAY 0x0 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_CSTAT_OVER 0x1 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_CSTAT_UNDER 0x2 9701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define FLX_CSTAT_INVALID 0x3 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_read_seeprom(struct ahd_softc *ahd, uint16_t *buf, 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int start_addr, u_int count, int bstream); 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_write_seeprom(struct ahd_softc *ahd, uint16_t *buf, 9761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int start_addr, u_int count); 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_wait_seeprom(struct ahd_softc *ahd); 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_verify_vpd_cksum(struct vpd_config *vpd); 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_verify_cksum(struct seeprom_config *sc); 9801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_acquire_seeprom(struct ahd_softc *ahd); 9811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_release_seeprom(struct ahd_softc *ahd); 9821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/**************************** Message Buffer *********************************/ 9841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 9851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MSG_FLAG_NONE = 0x00, 9861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MSG_FLAG_EXPECT_PPR_BUSFREE = 0x01, 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MSG_FLAG_IU_REQ_CHANGED = 0x02, 9881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MSG_FLAG_EXPECT_IDE_BUSFREE = 0x04, 9891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MSG_FLAG_EXPECT_QASREJ_BUSFREE = 0x08, 9901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MSG_FLAG_PACKETIZED = 0x10 9911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} ahd_msg_flags; 9921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 9941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MSG_TYPE_NONE = 0x00, 9951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MSG_TYPE_INITIATOR_MSGOUT = 0x01, 9961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MSG_TYPE_INITIATOR_MSGIN = 0x02, 9971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MSG_TYPE_TARGET_MSGOUT = 0x03, 9981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MSG_TYPE_TARGET_MSGIN = 0x04 9991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} ahd_msg_type; 10001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 10021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MSGLOOP_IN_PROG, 10031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MSGLOOP_MSGCOMPLETE, 10041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds MSGLOOP_TERMINATED 10051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} msg_loop_stat; 10061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*********************** Software Configuration Structure *********************/ 10081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_suspend_channel_state { 10091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t scsiseq; 10101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t sxfrctl0; 10111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t sxfrctl1; 10121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t simode0; 10131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t simode1; 10141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t seltimer; 10151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t seqctl; 10161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 10171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_suspend_state { 10191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_suspend_channel_state channel[2]; 10201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t optionmode; 10211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t dscommand0; 10221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t dspcistatus; 10231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* hsmailbox */ 10241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t crccontrol1; 10251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t scbbaddr; 10261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Host and sequencer SCB counts */ 10271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t dff_thrsh; 10281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t *scratch_ram; 10291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t *btt; 10301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 10311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef void (*ahd_bus_intr_t)(struct ahd_softc *); 10331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 10351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_MODE_DFF0, 10361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_MODE_DFF1, 10371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_MODE_CCHAN, 10381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_MODE_SCSI, 10391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_MODE_CFG, 10401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_MODE_UNKNOWN 10411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} ahd_mode; 10421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_MK_MSK(x) (0x01 << (x)) 10441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_MODE_DFF0_MSK AHD_MK_MSK(AHD_MODE_DFF0) 10451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_MODE_DFF1_MSK AHD_MK_MSK(AHD_MODE_DFF1) 10461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_MODE_CCHAN_MSK AHD_MK_MSK(AHD_MODE_CCHAN) 10471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_MODE_SCSI_MSK AHD_MK_MSK(AHD_MODE_SCSI) 10481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_MODE_CFG_MSK AHD_MK_MSK(AHD_MODE_CFG) 10491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_MODE_UNKNOWN_MSK AHD_MK_MSK(AHD_MODE_UNKNOWN) 10501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_MODE_ANY_MSK (~0) 10511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef uint8_t ahd_mode_state; 10531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef void ahd_callback_t (void *); 10551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_softc { 10571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bus_space_tag_t tags[2]; 10581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bus_space_handle_t bshs[2]; 10591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef __linux__ 10601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bus_dma_tag_t buffer_dmat; /* dmat for buffer I/O */ 10611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 10621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct scb_data scb_data; 10631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct hardware_scb *next_queued_hscb; 10651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 10671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SCBs that have been sent to the controller 10681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 10691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds LIST_HEAD(, scb) pending_scbs; 10701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 10721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Current register window mode information. 10731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 10741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_mode dst_mode; 10751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_mode src_mode; 10761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 10781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Saved register window mode information 10791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * used for restore on next unpause. 10801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 10811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_mode saved_dst_mode; 10821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_mode saved_src_mode; 10831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 10851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Platform specific data. 10861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 10871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_platform_data *platform_data; 10881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 10901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Platform specific device information. 10911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 10921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_dev_softc_t dev_softc; 10931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 10951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Bus specific device information. 10961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 10971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_bus_intr_t bus_intr; 10981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 11001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Target mode related state kept on a per enabled lun basis. 11011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Targets that are not enabled will have null entries. 11021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * As an initiator, we keep one target entry for our initiator 11031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ID to store our sync/wide transfer settings. 11041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_tmode_tstate *enabled_targets[AHD_NUM_TARGETS]; 11061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 11081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The black hole device responsible for handling requests for 11091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * disabled luns on enabled targets. 11101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_tmode_lstate *black_hole; 11121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 11141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Device instance currently on the bus awaiting a continue TIO 11151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * for a command that was not given the disconnect priveledge. 11161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_tmode_lstate *pending_device; 11181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 11201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Timer handles for timer driven callbacks. 11211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_timer_t reset_timer; 11231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_timer_t stat_timer; 11241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 11261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Statistics. 11271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_STAT_UPDATE_US 250000 /* 250ms */ 11291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_STAT_BUCKETS 4 11301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int cmdcmplt_bucket; 11311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint32_t cmdcmplt_counts[AHD_STAT_BUCKETS]; 11321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint32_t cmdcmplt_total; 11331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 11351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Card characteristics 11361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_chip chip; 11381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_feature features; 11391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_bug bugs; 11401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_flag flags; 11411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct seeprom_config *seep_config; 11421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Values to store in the SEQCTL register for pause and unpause */ 11441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t unpause; 11451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t pause; 11461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Command Queues */ 11481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t qoutfifonext; 11491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t qoutfifonext_valid_tag; 11501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t qinfifonext; 11511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t qinfifo[AHD_SCB_MAX]; 11521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t *qoutfifo; 11531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Critical Section Data */ 11551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct cs *critical_sections; 11561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int num_critical_sections; 11571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Buffer for handling packetized bitbucket. */ 11591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t *overrun_buf; 11601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Links for chaining softcs */ 11621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds TAILQ_ENTRY(ahd_softc) links; 11631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Channel Names ('A', 'B', etc.) */ 11651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char channel; 11661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Initiator Bus ID */ 11681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t our_id; 11691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 11711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Target incoming command FIFO. 11721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct target_cmd *targetcmds; 11741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t tqinfifonext; 11751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 11771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Cached verson of the hs_mailbox so we can avoid 11781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * pausing the sequencer during mailbox updates. 11791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t hs_mailbox; 11811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 11831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Incoming and outgoing message handling. 11841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t send_msg_perror; 11861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_msg_flags msg_flags; 11871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_msg_type msg_type; 11881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t msgout_buf[12];/* Message we are sending */ 11891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t msgin_buf[12];/* Message we are receiving */ 11901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int msgout_len; /* Length of message to send */ 11911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int msgout_index; /* Current index in msgout */ 11921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int msgin_index; /* Current index in msgin */ 11931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 11951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Mapping information for data structures shared 11961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * between the sequencer and kernel. 11971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bus_dma_tag_t parent_dmat; 11991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bus_dma_tag_t shared_data_dmat; 12001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bus_dmamap_t shared_data_dmamap; 12011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_addr_t shared_data_busaddr; 12021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Information saved through suspend/resume cycles */ 12041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_suspend_state suspend_state; 12051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Number of enabled target mode device on this card */ 12071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int enabled_luns; 12081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Initialization level of this data structure */ 12101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int init_level; 12111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* PCI cacheline size. */ 12131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int pci_cachesize; 12141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* IO Cell Parameters */ 12161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t iocell_opts[AHD_NUM_PER_DEV_ANNEXCOLS]; 12171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int stack_size; 12191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t *saved_stack; 12201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Per-Unit descriptive information */ 12221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *description; 12231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *bus_description; 12241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *name; 12251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int unit; 12261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Selection Timer settings */ 12281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int seltime; 12291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 12311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Interrupt coalescing settings. 12321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 12331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_INT_COALESCING_TIMER_DEFAULT 250 /*us*/ 12341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_INT_COALESCING_MAXCMDS_DEFAULT 10 12351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_INT_COALESCING_MAXCMDS_MAX 127 12361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_INT_COALESCING_MINCMDS_DEFAULT 5 12371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_INT_COALESCING_MINCMDS_MAX 127 12381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_INT_COALESCING_THRESHOLD_DEFAULT 2000 12391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_INT_COALESCING_STOP_THRESHOLD_DEFAULT 1000 12401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int int_coalescing_timer; 12411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int int_coalescing_maxcmds; 12421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int int_coalescing_mincmds; 12431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int int_coalescing_threshold; 12441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int int_coalescing_stop_threshold; 12451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t user_discenable;/* Disconnection allowed */ 12471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t user_tagenable;/* Tagged Queuing allowed */ 12481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 12491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsTAILQ_HEAD(ahd_softc_tailq, ahd_softc); 12511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern struct ahd_softc_tailq ahd_tailq; 12521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*************************** IO Cell Configuration ****************************/ 12541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_PRECOMP_SLEW_INDEX \ 12551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (AHD_ANNEXCOL_PRECOMP_SLEW - AHD_ANNEXCOL_PER_DEV0) 12561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_AMPLITUDE_INDEX \ 12581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (AHD_ANNEXCOL_AMPLITUDE - AHD_ANNEXCOL_PER_DEV0) 12591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SET_SLEWRATE(ahd, new_slew) \ 12611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsdo { \ 12621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (ahd)->iocell_opts[AHD_PRECOMP_SLEW_INDEX] &= ~AHD_SLEWRATE_MASK; \ 12631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (ahd)->iocell_opts[AHD_PRECOMP_SLEW_INDEX] |= \ 12641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (((new_slew) << AHD_SLEWRATE_SHIFT) & AHD_SLEWRATE_MASK); \ 12651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} while (0) 12661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SET_PRECOMP(ahd, new_pcomp) \ 12681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsdo { \ 12691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (ahd)->iocell_opts[AHD_PRECOMP_SLEW_INDEX] &= ~AHD_PRECOMP_MASK; \ 12701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (ahd)->iocell_opts[AHD_PRECOMP_SLEW_INDEX] |= \ 12711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (((new_pcomp) << AHD_PRECOMP_SHIFT) & AHD_PRECOMP_MASK); \ 12721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} while (0) 12731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SET_AMPLITUDE(ahd, new_amp) \ 12751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsdo { \ 12761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (ahd)->iocell_opts[AHD_AMPLITUDE_INDEX] &= ~AHD_AMPLITUDE_MASK; \ 12771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (ahd)->iocell_opts[AHD_AMPLITUDE_INDEX] |= \ 12781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (((new_amp) << AHD_AMPLITUDE_SHIFT) & AHD_AMPLITUDE_MASK); \ 12791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} while (0) 12801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************ Active Device Information ***************************/ 12821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 12831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ROLE_UNKNOWN, 12841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ROLE_INITIATOR, 12851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ROLE_TARGET 12861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} role_t; 12871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_devinfo { 12891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int our_scsiid; 12901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int target_offset; 12911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint16_t target_mask; 12921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int target; 12931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int lun; 12941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char channel; 12951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds role_t role; /* 12961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Only guaranteed to be correct if not 12971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * in the busfree state. 12981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 12991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 13001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/****************************** PCI Structures ********************************/ 13021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_PCI_IOADDR0 PCIR_MAPS /* I/O BAR*/ 13031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_PCI_MEMADDR (PCIR_MAPS + 4) /* Memory BAR */ 13041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_PCI_IOADDR1 (PCIR_MAPS + 12)/* Second I/O BAR */ 13051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef int (ahd_device_setup_t)(struct ahd_softc *); 13071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_pci_identity { 13091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint64_t full_id; 13101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint64_t id_mask; 13111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *name; 13121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_device_setup_t *setup; 13131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 13141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern struct ahd_pci_identity ahd_pci_ident_table []; 13151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern const u_int ahd_num_pci_devs; 13161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/***************************** VL/EISA Declarations ***************************/ 13181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct aic7770_identity { 13191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint32_t full_id; 13201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint32_t id_mask; 13211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *name; 13221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_device_setup_t *setup; 13231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 13241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern struct aic7770_identity aic7770_ident_table []; 13251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern const int ahd_num_aic7770_devs; 13261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_EISA_SLOT_OFFSET 0xc00 13281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_EISA_IOSIZE 0x100 13291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*************************** Function Declarations ****************************/ 13311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************************************************************/ 13321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_reset_cmds_pending(struct ahd_softc *ahd); 13331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsu_int ahd_find_busy_tcl(struct ahd_softc *ahd, u_int tcl); 13341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_busy_tcl(struct ahd_softc *ahd, 13351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int tcl, u_int busyid); 13361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic __inline void ahd_unbusy_tcl(struct ahd_softc *ahd, u_int tcl); 13371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic __inline void 13381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsahd_unbusy_tcl(struct ahd_softc *ahd, u_int tcl) 13391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 13401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_busy_tcl(ahd, tcl, SCB_LIST_NULL); 13411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 13421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/***************************** PCI Front End *********************************/ 13441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_pci_identity *ahd_find_pci_device(ahd_dev_softc_t); 13451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_pci_config(struct ahd_softc *, 13461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_pci_identity *); 13471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_pci_test_register_access(struct ahd_softc *); 13481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************** SCB and SCB queue management **********************/ 13501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_probe_scbs(struct ahd_softc *); 13511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_qinfifo_requeue_tail(struct ahd_softc *ahd, 13521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct scb *scb); 13531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_match_scb(struct ahd_softc *ahd, struct scb *scb, 13541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int target, char channel, int lun, 13551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int tag, role_t role); 13561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/****************************** Initialization ********************************/ 13581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_softc *ahd_alloc(void *platform_arg, char *name); 13591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_softc_init(struct ahd_softc *); 13601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_controller_info(struct ahd_softc *ahd, char *buf); 13611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_init(struct ahd_softc *ahd); 13621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_default_config(struct ahd_softc *ahd); 13631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_parse_vpddata(struct ahd_softc *ahd, 13641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct vpd_config *vpd); 13651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_parse_cfgdata(struct ahd_softc *ahd, 13661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct seeprom_config *sc); 13671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_intr_enable(struct ahd_softc *ahd, int enable); 13681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_update_coalescing_values(struct ahd_softc *ahd, 13691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int timer, 13701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int maxcmds, 13711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int mincmds); 13721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_enable_coalescing(struct ahd_softc *ahd, 13731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int enable); 13741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_pause_and_flushwork(struct ahd_softc *ahd); 13751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_suspend(struct ahd_softc *ahd); 13761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_resume(struct ahd_softc *ahd); 13771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_softc_insert(struct ahd_softc *); 13781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_softc *ahd_find_softc(struct ahd_softc *ahd); 13791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_set_unit(struct ahd_softc *, int); 13801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_set_name(struct ahd_softc *, char *); 13811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct scb *ahd_get_scb(struct ahd_softc *ahd, u_int col_idx); 13821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_free_scb(struct ahd_softc *ahd, struct scb *scb); 13831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_alloc_scbs(struct ahd_softc *ahd); 13841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_free(struct ahd_softc *ahd); 13851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_reset(struct ahd_softc *ahd, int reinit); 13861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_shutdown(void *arg); 13871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_write_flexport(struct ahd_softc *ahd, 13881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int addr, u_int value); 13891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_read_flexport(struct ahd_softc *ahd, u_int addr, 13901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uint8_t *value); 13911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_wait_flexport(struct ahd_softc *ahd); 13921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*************************** Interrupt Services *******************************/ 13941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_pci_intr(struct ahd_softc *ahd); 13951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_clear_intstat(struct ahd_softc *ahd); 13961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_flush_qoutfifo(struct ahd_softc *ahd); 13971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_run_qoutfifo(struct ahd_softc *ahd); 13981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef AHD_TARGET_MODE 13991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_run_tqinfifo(struct ahd_softc *ahd, int paused); 14001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 14011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_handle_hwerrint(struct ahd_softc *ahd); 14021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_handle_seqint(struct ahd_softc *ahd, u_int intstat); 14031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_handle_scsiint(struct ahd_softc *ahd, 14041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int intstat); 14051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_clear_critical_section(struct ahd_softc *ahd); 14061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/***************************** Error Recovery *********************************/ 14081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 14091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SEARCH_COMPLETE, 14101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SEARCH_COUNT, 14111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SEARCH_REMOVE, 14121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds SEARCH_PRINT 14131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} ahd_search_action; 14141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_search_qinfifo(struct ahd_softc *ahd, int target, 14151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char channel, int lun, u_int tag, 14161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds role_t role, uint32_t status, 14171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_search_action action); 14181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_search_disc_list(struct ahd_softc *ahd, int target, 14191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char channel, int lun, u_int tag, 14201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int stop_on_first, int remove, 14211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int save_state); 14221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_freeze_devq(struct ahd_softc *ahd, struct scb *scb); 14231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_reset_channel(struct ahd_softc *ahd, char channel, 14241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int initiate_reset); 14251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_abort_scbs(struct ahd_softc *ahd, int target, 14261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char channel, int lun, u_int tag, 14271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds role_t role, uint32_t status); 14281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_restart(struct ahd_softc *ahd); 14291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_clear_fifo(struct ahd_softc *ahd, u_int fifo); 14301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_handle_scb_status(struct ahd_softc *ahd, 14311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct scb *scb); 14321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_handle_scsi_status(struct ahd_softc *ahd, 14331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct scb *scb); 14341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_calc_residual(struct ahd_softc *ahd, 14351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct scb *scb); 14361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/*************************** Utility Functions ********************************/ 14371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct ahd_phase_table_entry* 14381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_lookup_phase_entry(int phase); 14391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_compile_devinfo(struct ahd_devinfo *devinfo, 14401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int our_id, u_int target, 14411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int lun, char channel, 14421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds role_t role); 14431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/************************** Transfer Negotiation ******************************/ 14441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_find_syncrate(struct ahd_softc *ahd, u_int *period, 14451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int *ppr_options, u_int maxsync); 14461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_validate_offset(struct ahd_softc *ahd, 14471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_initiator_tinfo *tinfo, 14481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int period, u_int *offset, 14491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int wide, role_t role); 14501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_validate_width(struct ahd_softc *ahd, 14511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_initiator_tinfo *tinfo, 14521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int *bus_width, 14531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds role_t role); 14541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 14551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Negotiation types. These are used to qualify if we should renegotiate 14561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * even if our goal and current transport parameters are identical. 14571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 14581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 14591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_NEG_TO_GOAL, /* Renegotiate only if goal and curr differ. */ 14601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_NEG_IF_NON_ASYNC, /* Renegotiate so long as goal is non-async. */ 14611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_NEG_ALWAYS /* Renegotiat even if goal is async. */ 14621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} ahd_neg_type; 14631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_update_neg_request(struct ahd_softc*, 14641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_devinfo*, 14651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_tmode_tstate*, 14661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_initiator_tinfo*, 14671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_neg_type); 14681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_set_width(struct ahd_softc *ahd, 14691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_devinfo *devinfo, 14701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int width, u_int type, int paused); 14711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_set_syncrate(struct ahd_softc *ahd, 14721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_devinfo *devinfo, 14731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int period, u_int offset, 14741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int ppr_options, 14751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int type, int paused); 14761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldstypedef enum { 14771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_QUEUE_NONE, 14781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_QUEUE_BASIC, 14791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds AHD_QUEUE_TAGGED 14801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} ahd_queue_alg; 14811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_set_tags(struct ahd_softc *ahd, 14831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_devinfo *devinfo, 14841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ahd_queue_alg alg); 14851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/**************************** Target Mode *************************************/ 14871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef AHD_TARGET_MODE 14881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_send_lstate_events(struct ahd_softc *, 14891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_tmode_lstate *); 14901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_handle_en_lun(struct ahd_softc *ahd, 14911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct cam_sim *sim, union ccb *ccb); 14921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldscam_status ahd_find_tmode_devs(struct ahd_softc *ahd, 14931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct cam_sim *sim, union ccb *ccb, 14941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_tmode_tstate **tstate, 14951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_tmode_lstate **lstate, 14961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int notfound_failure); 14971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef AHD_TMODE_ENABLE 14981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_TMODE_ENABLE 0 14991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/******************************* Debug ***************************************/ 15021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef AHD_DEBUG 15031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsextern uint32_t ahd_debug; 15041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_MISC 0x00001 15051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_SENSE 0x00002 15061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_RECOVERY 0x00004 15071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_DUMP_SEEPROM 0x00008 15081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_TERMCTL 0x00010 15091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_MEMORY 0x00020 15101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_MESSAGES 0x00040 15111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_MODEPTR 0x00080 15121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_SELTO 0x00100 15131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_FIFOS 0x00200 15141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_QFULL 0x00400 15151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_DV 0x00800 15161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_MASKED_ERRORS 0x01000 15171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_QUEUE 0x02000 15181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_TQIN 0x04000 15191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_SG 0x08000 15201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_SHOW_INT_COALESCING 0x10000 15211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define AHD_DEBUG_SEQUENCER 0x20000 15221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_print_scb(struct scb *scb); 15241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_print_devinfo(struct ahd_softc *ahd, 15251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct ahd_devinfo *devinfo); 15261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_dump_sglist(struct scb *scb); 15271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_dump_all_cards_state(void); 15281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_dump_card_state(struct ahd_softc *ahd); 15291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint ahd_print_register(ahd_reg_parse_entry_t *table, 15301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int num_entries, 15311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *name, 15321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int address, 15331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int value, 15341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int *cur_column, 15351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u_int wrap_point); 15361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ahd_dump_scbs(struct ahd_softc *ahd); 15371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* _AIC79XX_H_ */ 1538