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1626 |
jcastillo |
/**************************************************************************
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* Initio 9100 device driver for Linux.
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*
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* Copyright (c) 1994-1998 Initio Corporation
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* Copyright (c) 1998 Bas Vermeulen <bvermeul@blackstar.xs4all.nl>
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* --------------------------------------------------------------------------
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* Where this Software is combined with software released under the terms of
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* the GNU Public License ("GPL") and the terms of the GPL would require the
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* combined work to also be released under the terms of the GPL, the terms
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* and conditions of this License will apply in addition to those of the
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* GPL with the exception of any terms or conditions of this License that
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* conflict with, or are expressly prohibited by, the GPL.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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************************************************************************
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Module: i91uscsi.c
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Description: PCI I/F for INI-910 SCSI Bus Master Controller
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Revision History:
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11/09/94 Tim Chen, Initiali Version 0.90A
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01/17/95 TC, release ver 1.01
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02/09/95 TC modify ReadPCIConfig, try both mechanisms;
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02/15/95 TC add support for INI-9100W
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06/04/96 HC, Change to fit LINUX from jaspci.c
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11/18/96 HC, Port for tulip
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07/08/98 hc, Support 0002134A
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07/23/98 wh, Change the abort_srb routine.
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09/16/98 hl, Support ALPHA, Rewrite the returnNumberAdapters <01>
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12/09/98 bv, Removed unused code, changed tul_se2_wait to
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use udelay(30) and tul_do_pause to enable
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interrupts for >= 2.1.95
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12/13/98 bv, Use spinlocks instead of cli() for serialized
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access to HCS_Semaph, HCS_FirstAvail and HCS_LastAvail
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members of the HCS structure.
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01/09/98 bv, Fix a deadlock on SMP system.
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**********************************************************************/
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#define DEBUG_INTERRUPT 0
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#define DEBUG_QUEUE 0
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#define DEBUG_STATE 0
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#define INT_DISC 0
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#ifndef CVT_LINUX_VERSION
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#define CVT_LINUX_VERSION(V,P,S) (V * 65536 + P * 256 + S)
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#endif
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#ifndef LINUX_VERSION_CODE
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#include <linux/version.h>
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#endif
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#include <linux/sched.h>
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#include <linux/delay.h>
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#include <linux/blk.h>
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#include <asm/io.h>
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#include "i91uscsi.h"
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/*--- external functions --*/
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static void tul_se2_wait(void);
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/*--- forward refrence ---*/
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static SCB *tul_find_busy_scb(HCS * pCurHcb, WORD tarlun);
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static SCB *tul_find_done_scb(HCS * pCurHcb);
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static int tulip_main(HCS * pCurHcb);
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static int tul_next_state(HCS * pCurHcb);
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static int tul_state_1(HCS * pCurHcb);
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static int tul_state_2(HCS * pCurHcb);
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static int tul_state_3(HCS * pCurHcb);
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static int tul_state_4(HCS * pCurHcb);
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static int tul_state_5(HCS * pCurHcb);
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static int tul_state_6(HCS * pCurHcb);
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static int tul_state_7(HCS * pCurHcb);
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static int tul_xfer_data_in(HCS * pCurHcb);
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static int tul_xfer_data_out(HCS * pCurHcb);
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static int tul_xpad_in(HCS * pCurHcb);
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static int tul_xpad_out(HCS * pCurHcb);
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static int tul_status_msg(HCS * pCurHcb);
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static int tul_msgin(HCS * pCurHcb);
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static int tul_msgin_sync(HCS * pCurHcb);
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static int tul_msgin_accept(HCS * pCurHcb);
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static int tul_msgout_reject(HCS * pCurHcb);
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static int tul_msgin_extend(HCS * pCurHcb);
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static int tul_msgout_ide(HCS * pCurHcb);
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static int tul_msgout_abort_targ(HCS * pCurHcb);
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static int tul_msgout_abort_tag(HCS * pCurHcb);
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static int tul_bus_device_reset(HCS * pCurHcb);
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static void tul_select_atn(HCS * pCurHcb, SCB * pCurScb);
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static void tul_select_atn3(HCS * pCurHcb, SCB * pCurScb);
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static void tul_select_atn_stop(HCS * pCurHcb, SCB * pCurScb);
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static int int_tul_busfree(HCS * pCurHcb);
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int int_tul_scsi_rst(HCS * pCurHcb);
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static int int_tul_bad_seq(HCS * pCurHcb);
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static int int_tul_resel(HCS * pCurHcb);
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static int tul_sync_done(HCS * pCurHcb);
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static int wdtr_done(HCS * pCurHcb);
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static int wait_tulip(HCS * pCurHcb);
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static int tul_wait_done_disc(HCS * pCurHcb);
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static int tul_wait_disc(HCS * pCurHcb);
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static void tulip_scsi(HCS * pCurHcb);
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static int tul_post_scsi_rst(HCS * pCurHcb);
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static void tul_se2_ew_en(WORD CurBase);
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static void tul_se2_ew_ds(WORD CurBase);
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static int tul_se2_rd_all(WORD CurBase);
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static void tul_se2_update_all(WORD CurBase); /* setup default pattern */
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static void tul_read_eeprom(WORD CurBase);
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/* ---- EXTERNAL VARIABLES ---- */
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HCS tul_hcs[MAX_SUPPORTED_ADAPTERS];
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/* ---- INTERNAL VARIABLES ---- */
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static INI_ADPT_STRUCT i91u_adpt[MAX_SUPPORTED_ADAPTERS];
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/*NVRAM nvram, *nvramp = &nvram; */
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static NVRAM i91unvram;
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static NVRAM *i91unvramp;
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static UCHAR i91udftNvRam[64] =
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{
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/*----------- header -----------*/
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0x25, 0xc9, /* Signature */
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0x40, /* Size */
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0x01, /* Revision */
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/* -- Host Adapter Structure -- */
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0x95, /* ModelByte0 */
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0x00, /* ModelByte1 */
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0x00, /* ModelInfo */
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0x01, /* NumOfCh */
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NBC1_DEFAULT, /* BIOSConfig1 */
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0, /* BIOSConfig2 */
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0, /* HAConfig1 */
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0, /* HAConfig2 */
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/* SCSI channel 0 and target Structure */
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7, /* SCSIid */
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NCC1_DEFAULT, /* SCSIconfig1 */
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0, /* SCSIconfig2 */
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0x10, /* NumSCSItarget */
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NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
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NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
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NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
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NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
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/* SCSI channel 1 and target Structure */
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7, /* SCSIid */
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NCC1_DEFAULT, /* SCSIconfig1 */
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0, /* SCSIconfig2 */
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0x10, /* NumSCSItarget */
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NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
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NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
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NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
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NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT, NTC_DEFAULT,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0}; /* - CheckSum - */
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static UCHAR tul_rate_tbl[8] = /* fast 20 */
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{
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/* nanosecond devide by 4 */
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12, /* 50ns, 20M */
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18, /* 75ns, 13.3M */
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25, /* 100ns, 10M */
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31, /* 125ns, 8M */
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37, /* 150ns, 6.6M */
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43, /* 175ns, 5.7M */
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50, /* 200ns, 5M */
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62 /* 250ns, 4M */
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};
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extern int tul_num_ch;
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static void tul_do_pause(unsigned amount)
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{ /* Pause for amount*10 milliseconds */
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unsigned long the_time = jiffies + amount; /* 0.01 seconds per jiffy */
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#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
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while (time_before_eq(jiffies, the_time));
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#else
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while (jiffies < the_time);
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#endif
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}
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/*-- forward reference --*/
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/*******************************************************************
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Use memeory refresh time ~ 15us * 2
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********************************************************************/
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void tul_se2_wait()
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{
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#if 1
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udelay(30);
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#else
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UCHAR readByte;
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readByte = TUL_RD(0, 0x61);
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if ((readByte & 0x10) == 0x10) {
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for (;;) {
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readByte = TUL_RD(0, 0x61);
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if ((readByte & 0x10) == 0x10)
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break;
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}
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for (;;) {
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readByte = TUL_RD(0, 0x61);
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if ((readByte & 0x10) != 0x10)
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break;
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}
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} else {
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for (;;) {
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readByte = TUL_RD(0, 0x61);
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if ((readByte & 0x10) == 0x10)
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break;
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}
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| 261 |
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for (;;) {
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| 262 |
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readByte = TUL_RD(0, 0x61);
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if ((readByte & 0x10) != 0x10)
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break;
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| 265 |
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}
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| 266 |
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}
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| 267 |
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#endif
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| 268 |
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}
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| 270 |
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| 271 |
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/******************************************************************
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| 272 |
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Input: instruction for Serial E2PROM
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| 273 |
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| 274 |
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EX: se2_rd(0 call se2_instr() to send address and read command
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| 275 |
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| 276 |
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StartBit OP_Code Address Data
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| 277 |
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--------- -------- ------------------ -------
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| 278 |
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1 1 , 0 A5,A4,A3,A2,A1,A0 D15-D0
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| 279 |
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| 280 |
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+-----------------------------------------------------
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| 281 |
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| 282 |
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CS -----+
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| 283 |
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+--+ +--+ +--+ +--+ +--+
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| 284 |
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^ | ^ | ^ | ^ | ^ |
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| 285 |
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| | | | | | | | | |
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| 286 |
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CLK -------+ +--+ +--+ +--+ +--+ +--
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| 287 |
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(leading edge trigger)
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| 288 |
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| 289 |
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+--1-----1--+
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| 290 |
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| SB OP | OP A5 A4
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| 291 |
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DI ----+ +--0------------------
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| 292 |
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(address and cmd sent to nvram)
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| 293 |
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| 294 |
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-------------------------------------------+
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| 295 |
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| 296 |
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DO +---
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| 297 |
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(data sent from nvram)
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| 298 |
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| 299 |
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| 300 |
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******************************************************************/
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| 301 |
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void tul_se2_instr(WORD CurBase, UCHAR instr)
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| 302 |
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{
|
| 303 |
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int i;
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| 304 |
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UCHAR b;
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| 305 |
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|
| 306 |
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TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2DO); /* cs+start bit */
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| 307 |
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tul_se2_wait();
|
| 308 |
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TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK | SE2DO); /* +CLK */
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| 309 |
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tul_se2_wait();
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| 310 |
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|
| 311 |
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for (i = 0; i < 8; i++) {
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| 312 |
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if (instr & 0x80)
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| 313 |
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b = SE2CS | SE2DO; /* -CLK+dataBit */
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| 314 |
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else
|
| 315 |
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b = SE2CS; /* -CLK */
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| 316 |
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TUL_WR(CurBase + TUL_NVRAM, b);
|
| 317 |
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tul_se2_wait();
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| 318 |
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TUL_WR(CurBase + TUL_NVRAM, b | SE2CLK); /* +CLK */
|
| 319 |
|
|
tul_se2_wait();
|
| 320 |
|
|
instr <<= 1;
|
| 321 |
|
|
}
|
| 322 |
|
|
TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */
|
| 323 |
|
|
tul_se2_wait();
|
| 324 |
|
|
return;
|
| 325 |
|
|
}
|
| 326 |
|
|
|
| 327 |
|
|
|
| 328 |
|
|
/******************************************************************
|
| 329 |
|
|
Function name : tul_se2_ew_en
|
| 330 |
|
|
Description : Enable erase/write state of serial EEPROM
|
| 331 |
|
|
******************************************************************/
|
| 332 |
|
|
void tul_se2_ew_en(WORD CurBase)
|
| 333 |
|
|
{
|
| 334 |
|
|
tul_se2_instr(CurBase, 0x30); /* EWEN */
|
| 335 |
|
|
TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */
|
| 336 |
|
|
tul_se2_wait();
|
| 337 |
|
|
return;
|
| 338 |
|
|
}
|
| 339 |
|
|
|
| 340 |
|
|
|
| 341 |
|
|
/************************************************************************
|
| 342 |
|
|
Disable erase/write state of serial EEPROM
|
| 343 |
|
|
*************************************************************************/
|
| 344 |
|
|
void tul_se2_ew_ds(WORD CurBase)
|
| 345 |
|
|
{
|
| 346 |
|
|
tul_se2_instr(CurBase, 0); /* EWDS */
|
| 347 |
|
|
TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */
|
| 348 |
|
|
tul_se2_wait();
|
| 349 |
|
|
return;
|
| 350 |
|
|
}
|
| 351 |
|
|
|
| 352 |
|
|
|
| 353 |
|
|
/******************************************************************
|
| 354 |
|
|
Input :address of Serial E2PROM
|
| 355 |
|
|
Output :value stored in Serial E2PROM
|
| 356 |
|
|
*******************************************************************/
|
| 357 |
|
|
USHORT tul_se2_rd(WORD CurBase, ULONG adr)
|
| 358 |
|
|
{
|
| 359 |
|
|
UCHAR instr, readByte;
|
| 360 |
|
|
USHORT readWord;
|
| 361 |
|
|
int i;
|
| 362 |
|
|
|
| 363 |
|
|
instr = (UCHAR) (adr | 0x80);
|
| 364 |
|
|
tul_se2_instr(CurBase, instr); /* READ INSTR */
|
| 365 |
|
|
readWord = 0;
|
| 366 |
|
|
|
| 367 |
|
|
for (i = 15; i >= 0; i--) {
|
| 368 |
|
|
TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK); /* +CLK */
|
| 369 |
|
|
tul_se2_wait();
|
| 370 |
|
|
TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */
|
| 371 |
|
|
|
| 372 |
|
|
/* sample data after the following edge of clock */
|
| 373 |
|
|
readByte = TUL_RD(CurBase, TUL_NVRAM);
|
| 374 |
|
|
readByte &= SE2DI;
|
| 375 |
|
|
readWord += (readByte << i);
|
| 376 |
|
|
tul_se2_wait(); /* 6/20/95 */
|
| 377 |
|
|
}
|
| 378 |
|
|
|
| 379 |
|
|
TUL_WR(CurBase + TUL_NVRAM, 0); /* no chip select */
|
| 380 |
|
|
tul_se2_wait();
|
| 381 |
|
|
return readWord;
|
| 382 |
|
|
}
|
| 383 |
|
|
|
| 384 |
|
|
|
| 385 |
|
|
/******************************************************************
|
| 386 |
|
|
Input: new value in Serial E2PROM, address of Serial E2PROM
|
| 387 |
|
|
*******************************************************************/
|
| 388 |
|
|
void tul_se2_wr(WORD CurBase, UCHAR adr, USHORT writeWord)
|
| 389 |
|
|
{
|
| 390 |
|
|
UCHAR readByte;
|
| 391 |
|
|
UCHAR instr;
|
| 392 |
|
|
int i;
|
| 393 |
|
|
|
| 394 |
|
|
instr = (UCHAR) (adr | 0x40);
|
| 395 |
|
|
tul_se2_instr(CurBase, instr); /* WRITE INSTR */
|
| 396 |
|
|
for (i = 15; i >= 0; i--) {
|
| 397 |
|
|
if (writeWord & 0x8000)
|
| 398 |
|
|
TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2DO); /* -CLK+dataBit 1 */
|
| 399 |
|
|
else
|
| 400 |
|
|
TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK+dataBit 0 */
|
| 401 |
|
|
tul_se2_wait();
|
| 402 |
|
|
TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK); /* +CLK */
|
| 403 |
|
|
tul_se2_wait();
|
| 404 |
|
|
writeWord <<= 1;
|
| 405 |
|
|
}
|
| 406 |
|
|
TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */
|
| 407 |
|
|
tul_se2_wait();
|
| 408 |
|
|
TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */
|
| 409 |
|
|
tul_se2_wait();
|
| 410 |
|
|
|
| 411 |
|
|
TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* +CS */
|
| 412 |
|
|
tul_se2_wait();
|
| 413 |
|
|
|
| 414 |
|
|
for (;;) {
|
| 415 |
|
|
TUL_WR(CurBase + TUL_NVRAM, SE2CS | SE2CLK); /* +CLK */
|
| 416 |
|
|
tul_se2_wait();
|
| 417 |
|
|
TUL_WR(CurBase + TUL_NVRAM, SE2CS); /* -CLK */
|
| 418 |
|
|
tul_se2_wait();
|
| 419 |
|
|
if ((readByte = TUL_RD(CurBase, TUL_NVRAM)) & SE2DI)
|
| 420 |
|
|
break; /* write complete */
|
| 421 |
|
|
}
|
| 422 |
|
|
TUL_WR(CurBase + TUL_NVRAM, 0); /* -CS */
|
| 423 |
|
|
return;
|
| 424 |
|
|
}
|
| 425 |
|
|
|
| 426 |
|
|
|
| 427 |
|
|
/***********************************************************************
|
| 428 |
|
|
Read SCSI H/A configuration parameters from serial EEPROM
|
| 429 |
|
|
************************************************************************/
|
| 430 |
|
|
int tul_se2_rd_all(WORD CurBase)
|
| 431 |
|
|
{
|
| 432 |
|
|
int i;
|
| 433 |
|
|
ULONG chksum = 0;
|
| 434 |
|
|
USHORT *np;
|
| 435 |
|
|
|
| 436 |
|
|
i91unvramp = &i91unvram;
|
| 437 |
|
|
np = (USHORT *) i91unvramp;
|
| 438 |
|
|
for (i = 0; i < 32; i++) {
|
| 439 |
|
|
*np++ = tul_se2_rd(CurBase, i);
|
| 440 |
|
|
}
|
| 441 |
|
|
|
| 442 |
|
|
/*--------------------Is signature "ini" ok ? ----------------*/
|
| 443 |
|
|
if (i91unvramp->NVM_Signature != INI_SIGNATURE)
|
| 444 |
|
|
return -1;
|
| 445 |
|
|
/*---------------------- Is ckecksum ok ? ----------------------*/
|
| 446 |
|
|
np = (USHORT *) i91unvramp;
|
| 447 |
|
|
for (i = 0; i < 31; i++)
|
| 448 |
|
|
chksum += *np++;
|
| 449 |
|
|
if (i91unvramp->NVM_CheckSum != (USHORT) chksum)
|
| 450 |
|
|
return -1;
|
| 451 |
|
|
return 1;
|
| 452 |
|
|
}
|
| 453 |
|
|
|
| 454 |
|
|
|
| 455 |
|
|
/***********************************************************************
|
| 456 |
|
|
Update SCSI H/A configuration parameters from serial EEPROM
|
| 457 |
|
|
************************************************************************/
|
| 458 |
|
|
void tul_se2_update_all(WORD CurBase)
|
| 459 |
|
|
{ /* setup default pattern */
|
| 460 |
|
|
int i;
|
| 461 |
|
|
ULONG chksum = 0;
|
| 462 |
|
|
USHORT *np, *np1;
|
| 463 |
|
|
|
| 464 |
|
|
i91unvramp = &i91unvram;
|
| 465 |
|
|
/* Calculate checksum first */
|
| 466 |
|
|
np = (USHORT *) i91udftNvRam;
|
| 467 |
|
|
for (i = 0; i < 31; i++)
|
| 468 |
|
|
chksum += *np++;
|
| 469 |
|
|
*np = (USHORT) chksum;
|
| 470 |
|
|
tul_se2_ew_en(CurBase); /* Enable write */
|
| 471 |
|
|
|
| 472 |
|
|
np = (USHORT *) i91udftNvRam;
|
| 473 |
|
|
np1 = (USHORT *) i91unvramp;
|
| 474 |
|
|
for (i = 0; i < 32; i++, np++, np1++) {
|
| 475 |
|
|
if (*np != *np1) {
|
| 476 |
|
|
tul_se2_wr(CurBase, i, *np);
|
| 477 |
|
|
}
|
| 478 |
|
|
}
|
| 479 |
|
|
|
| 480 |
|
|
tul_se2_ew_ds(CurBase); /* Disable write */
|
| 481 |
|
|
return;
|
| 482 |
|
|
}
|
| 483 |
|
|
|
| 484 |
|
|
/*************************************************************************
|
| 485 |
|
|
Function name : read_eeprom
|
| 486 |
|
|
**************************************************************************/
|
| 487 |
|
|
void tul_read_eeprom(WORD CurBase)
|
| 488 |
|
|
{
|
| 489 |
|
|
UCHAR gctrl;
|
| 490 |
|
|
|
| 491 |
|
|
i91unvramp = &i91unvram;
|
| 492 |
|
|
/*------Enable EEProm programming ---*/
|
| 493 |
|
|
gctrl = TUL_RD(CurBase, TUL_GCTRL);
|
| 494 |
|
|
TUL_WR(CurBase + TUL_GCTRL, gctrl | TUL_GCTRL_EEPROM_BIT);
|
| 495 |
|
|
if (tul_se2_rd_all(CurBase) != 1) {
|
| 496 |
|
|
tul_se2_update_all(CurBase); /* setup default pattern */
|
| 497 |
|
|
tul_se2_rd_all(CurBase); /* load again */
|
| 498 |
|
|
}
|
| 499 |
|
|
/*------ Disable EEProm programming ---*/
|
| 500 |
|
|
gctrl = TUL_RD(CurBase, TUL_GCTRL);
|
| 501 |
|
|
TUL_WR(CurBase + TUL_GCTRL, gctrl & ~TUL_GCTRL_EEPROM_BIT);
|
| 502 |
|
|
} /* read_eeprom */
|
| 503 |
|
|
|
| 504 |
|
|
int Addi91u_into_Adapter_table(WORD wBIOS, WORD wBASE, BYTE bInterrupt,
|
| 505 |
|
|
BYTE bBus, BYTE bDevice)
|
| 506 |
|
|
{
|
| 507 |
|
|
int i, j;
|
| 508 |
|
|
|
| 509 |
|
|
for (i = 0; i < MAX_SUPPORTED_ADAPTERS; i++) {
|
| 510 |
|
|
if (i91u_adpt[i].ADPT_BIOS < wBIOS)
|
| 511 |
|
|
continue;
|
| 512 |
|
|
if (i91u_adpt[i].ADPT_BIOS == wBIOS) {
|
| 513 |
|
|
if (i91u_adpt[i].ADPT_BASE == wBASE) {
|
| 514 |
|
|
if (i91u_adpt[i].ADPT_Bus != 0xFF)
|
| 515 |
|
|
return (FAILURE);
|
| 516 |
|
|
} else if (i91u_adpt[i].ADPT_BASE < wBASE)
|
| 517 |
|
|
continue;
|
| 518 |
|
|
}
|
| 519 |
|
|
for (j = MAX_SUPPORTED_ADAPTERS - 1; j > i; j--) {
|
| 520 |
|
|
i91u_adpt[j].ADPT_BASE = i91u_adpt[j - 1].ADPT_BASE;
|
| 521 |
|
|
i91u_adpt[j].ADPT_INTR = i91u_adpt[j - 1].ADPT_INTR;
|
| 522 |
|
|
i91u_adpt[j].ADPT_BIOS = i91u_adpt[j - 1].ADPT_BIOS;
|
| 523 |
|
|
i91u_adpt[j].ADPT_Bus = i91u_adpt[j - 1].ADPT_Bus;
|
| 524 |
|
|
i91u_adpt[j].ADPT_Device = i91u_adpt[j - 1].ADPT_Device;
|
| 525 |
|
|
}
|
| 526 |
|
|
i91u_adpt[i].ADPT_BASE = wBASE;
|
| 527 |
|
|
i91u_adpt[i].ADPT_INTR = bInterrupt;
|
| 528 |
|
|
i91u_adpt[i].ADPT_BIOS = wBIOS;
|
| 529 |
|
|
i91u_adpt[i].ADPT_Bus = bBus;
|
| 530 |
|
|
i91u_adpt[i].ADPT_Device = bDevice;
|
| 531 |
|
|
return (SUCCESSFUL);
|
| 532 |
|
|
}
|
| 533 |
|
|
return (FAILURE);
|
| 534 |
|
|
}
|
| 535 |
|
|
|
| 536 |
|
|
void init_i91uAdapter_table(void)
|
| 537 |
|
|
{
|
| 538 |
|
|
int i;
|
| 539 |
|
|
|
| 540 |
|
|
for (i = 0; i < MAX_SUPPORTED_ADAPTERS; i++) { /* Initialize adapter structure */
|
| 541 |
|
|
i91u_adpt[i].ADPT_BIOS = 0xffff;
|
| 542 |
|
|
i91u_adpt[i].ADPT_BASE = 0xffff;
|
| 543 |
|
|
i91u_adpt[i].ADPT_INTR = 0xff;
|
| 544 |
|
|
i91u_adpt[i].ADPT_Bus = 0xff;
|
| 545 |
|
|
i91u_adpt[i].ADPT_Device = 0xff;
|
| 546 |
|
|
}
|
| 547 |
|
|
return;
|
| 548 |
|
|
}
|
| 549 |
|
|
|
| 550 |
|
|
void tul_stop_bm(HCS * pCurHcb)
|
| 551 |
|
|
{
|
| 552 |
|
|
|
| 553 |
|
|
if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) { /* if DMA xfer is pending, abort DMA xfer */
|
| 554 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT | TAX_X_CLR_FIFO);
|
| 555 |
|
|
/* wait Abort DMA xfer done */
|
| 556 |
|
|
while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & XABT) == 0);
|
| 557 |
|
|
}
|
| 558 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
|
| 559 |
|
|
}
|
| 560 |
|
|
|
| 561 |
|
|
/***************************************************************************/
|
| 562 |
|
|
void get_tulipPCIConfig(HCS * pCurHcb, int ch_idx)
|
| 563 |
|
|
{
|
| 564 |
|
|
pCurHcb->HCS_Base = i91u_adpt[ch_idx].ADPT_BASE; /* Supply base address */
|
| 565 |
|
|
pCurHcb->HCS_BIOS = i91u_adpt[ch_idx].ADPT_BIOS; /* Supply BIOS address */
|
| 566 |
|
|
pCurHcb->HCS_Intr = i91u_adpt[ch_idx].ADPT_INTR; /* Supply interrupt line */
|
| 567 |
|
|
return;
|
| 568 |
|
|
}
|
| 569 |
|
|
|
| 570 |
|
|
/***************************************************************************/
|
| 571 |
|
|
int tul_reset_scsi(HCS * pCurHcb, int seconds)
|
| 572 |
|
|
{
|
| 573 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_RST_BUS);
|
| 574 |
|
|
|
| 575 |
|
|
while (!((pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt)) & TSS_SCSIRST_INT));
|
| 576 |
|
|
/* reset tulip chip */
|
| 577 |
|
|
|
| 578 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, 0);
|
| 579 |
|
|
|
| 580 |
|
|
/* Stall for a while, wait for target's firmware ready,make it 2 sec ! */
|
| 581 |
|
|
/* SONY 5200 tape drive won't work if only stall for 1 sec */
|
| 582 |
|
|
tul_do_pause(seconds * 100);
|
| 583 |
|
|
|
| 584 |
|
|
TUL_RD(pCurHcb->HCS_Base, TUL_SInt);
|
| 585 |
|
|
|
| 586 |
|
|
return (SCSI_RESET_SUCCESS);
|
| 587 |
|
|
}
|
| 588 |
|
|
|
| 589 |
|
|
/***************************************************************************/
|
| 590 |
|
|
int init_tulip(HCS * pCurHcb, SCB * scbp, int tul_num_scb, BYTE * pbBiosAdr, int seconds)
|
| 591 |
|
|
{
|
| 592 |
|
|
int i;
|
| 593 |
|
|
WORD *pwFlags;
|
| 594 |
|
|
BYTE *pbHeads;
|
| 595 |
|
|
SCB *pTmpScb, *pPrevScb = NULL;
|
| 596 |
|
|
|
| 597 |
|
|
pCurHcb->HCS_NumScbs = tul_num_scb;
|
| 598 |
|
|
pCurHcb->HCS_Semaph = 1;
|
| 599 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 600 |
|
|
pCurHcb->HCS_SemaphLock = SPIN_LOCK_UNLOCKED;
|
| 601 |
|
|
#endif
|
| 602 |
|
|
pCurHcb->HCS_JSStatus0 = 0;
|
| 603 |
|
|
pCurHcb->HCS_Scb = scbp;
|
| 604 |
|
|
pCurHcb->HCS_NxtPend = scbp;
|
| 605 |
|
|
pCurHcb->HCS_NxtAvail = scbp;
|
| 606 |
|
|
for (i = 0, pTmpScb = scbp; i < tul_num_scb; i++, pTmpScb++) {
|
| 607 |
|
|
pTmpScb->SCB_TagId = i;
|
| 608 |
|
|
if (i != 0)
|
| 609 |
|
|
pPrevScb->SCB_NxtScb = pTmpScb;
|
| 610 |
|
|
pPrevScb = pTmpScb;
|
| 611 |
|
|
}
|
| 612 |
|
|
pPrevScb->SCB_NxtScb = NULL;
|
| 613 |
|
|
pCurHcb->HCS_ScbEnd = pTmpScb;
|
| 614 |
|
|
pCurHcb->HCS_FirstAvail = scbp;
|
| 615 |
|
|
pCurHcb->HCS_LastAvail = pPrevScb;
|
| 616 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 617 |
|
|
pCurHcb->HCS_AvailLock = SPIN_LOCK_UNLOCKED;
|
| 618 |
|
|
#endif
|
| 619 |
|
|
pCurHcb->HCS_FirstPend = NULL;
|
| 620 |
|
|
pCurHcb->HCS_LastPend = NULL;
|
| 621 |
|
|
pCurHcb->HCS_FirstBusy = NULL;
|
| 622 |
|
|
pCurHcb->HCS_LastBusy = NULL;
|
| 623 |
|
|
pCurHcb->HCS_FirstDone = NULL;
|
| 624 |
|
|
pCurHcb->HCS_LastDone = NULL;
|
| 625 |
|
|
pCurHcb->HCS_ActScb = NULL;
|
| 626 |
|
|
pCurHcb->HCS_ActTcs = NULL;
|
| 627 |
|
|
|
| 628 |
|
|
tul_read_eeprom(pCurHcb->HCS_Base);
|
| 629 |
|
|
/*---------- get H/A configuration -------------*/
|
| 630 |
|
|
if (i91unvramp->NVM_SCSIInfo[0].NVM_NumOfTarg == 8)
|
| 631 |
|
|
pCurHcb->HCS_MaxTar = 8;
|
| 632 |
|
|
else
|
| 633 |
|
|
pCurHcb->HCS_MaxTar = 16;
|
| 634 |
|
|
|
| 635 |
|
|
pCurHcb->HCS_Config = i91unvramp->NVM_SCSIInfo[0].NVM_ChConfig1;
|
| 636 |
|
|
|
| 637 |
|
|
pCurHcb->HCS_SCSI_ID = i91unvramp->NVM_SCSIInfo[0].NVM_ChSCSIID;
|
| 638 |
|
|
pCurHcb->HCS_IdMask = ~(1 << pCurHcb->HCS_SCSI_ID);
|
| 639 |
|
|
|
| 640 |
|
|
#if CHK_PARITY
|
| 641 |
|
|
/* Enable parity error response */
|
| 642 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_PCMD, TUL_RD(pCurHcb->HCS_Base, TUL_PCMD) | 0x40);
|
| 643 |
|
|
#endif
|
| 644 |
|
|
|
| 645 |
|
|
/* Mask all the interrupt */
|
| 646 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
|
| 647 |
|
|
|
| 648 |
|
|
tul_stop_bm(pCurHcb);
|
| 649 |
|
|
/* --- Initialize the tulip --- */
|
| 650 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_RST_CHIP);
|
| 651 |
|
|
|
| 652 |
|
|
/* program HBA's SCSI ID */
|
| 653 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SScsiId, pCurHcb->HCS_SCSI_ID << 4);
|
| 654 |
|
|
|
| 655 |
|
|
/* Enable Initiator Mode ,phase latch,alternate sync period mode,
|
| 656 |
|
|
disable SCSI reset */
|
| 657 |
|
|
if (pCurHcb->HCS_Config & HCC_EN_PAR)
|
| 658 |
|
|
pCurHcb->HCS_SConf1 = (TSC_INITDEFAULT | TSC_EN_SCSI_PAR);
|
| 659 |
|
|
else
|
| 660 |
|
|
pCurHcb->HCS_SConf1 = (TSC_INITDEFAULT);
|
| 661 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_SConf1);
|
| 662 |
|
|
|
| 663 |
|
|
/* Enable HW reselect */
|
| 664 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT);
|
| 665 |
|
|
|
| 666 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, 0);
|
| 667 |
|
|
|
| 668 |
|
|
/* selection time out = 250 ms */
|
| 669 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_STimeOut, 153);
|
| 670 |
|
|
|
| 671 |
|
|
/*--------- Enable SCSI terminator -----*/
|
| 672 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_XCtrl, (pCurHcb->HCS_Config & (HCC_ACT_TERM1 | HCC_ACT_TERM2)));
|
| 673 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_GCTRL1,
|
| 674 |
|
|
((pCurHcb->HCS_Config & HCC_AUTO_TERM) >> 4) | (TUL_RD(pCurHcb->HCS_Base, TUL_GCTRL1) & 0xFE));
|
| 675 |
|
|
|
| 676 |
|
|
for (i = 0,
|
| 677 |
|
|
pwFlags = (WORD *) & (i91unvramp->NVM_SCSIInfo[0].NVM_Targ0Config),
|
| 678 |
|
|
pbHeads = pbBiosAdr + 0x180;
|
| 679 |
|
|
i < pCurHcb->HCS_MaxTar;
|
| 680 |
|
|
i++, pwFlags++) {
|
| 681 |
|
|
pCurHcb->HCS_Tcs[i].TCS_Flags = *pwFlags & ~(TCF_SYNC_DONE | TCF_WDTR_DONE);
|
| 682 |
|
|
if (pCurHcb->HCS_Tcs[i].TCS_Flags & TCF_EN_255)
|
| 683 |
|
|
pCurHcb->HCS_Tcs[i].TCS_DrvFlags = TCF_DRV_255_63;
|
| 684 |
|
|
else
|
| 685 |
|
|
pCurHcb->HCS_Tcs[i].TCS_DrvFlags = 0;
|
| 686 |
|
|
pCurHcb->HCS_Tcs[i].TCS_JS_Period = 0;
|
| 687 |
|
|
pCurHcb->HCS_Tcs[i].TCS_SConfig0 = pCurHcb->HCS_SConf1;
|
| 688 |
|
|
pCurHcb->HCS_Tcs[i].TCS_DrvHead = *pbHeads++;
|
| 689 |
|
|
if (pCurHcb->HCS_Tcs[i].TCS_DrvHead == 255)
|
| 690 |
|
|
pCurHcb->HCS_Tcs[i].TCS_DrvFlags = TCF_DRV_255_63;
|
| 691 |
|
|
else
|
| 692 |
|
|
pCurHcb->HCS_Tcs[i].TCS_DrvFlags = 0;
|
| 693 |
|
|
pCurHcb->HCS_Tcs[i].TCS_DrvSector = *pbHeads++;
|
| 694 |
|
|
pCurHcb->HCS_Tcs[i].TCS_Flags &= ~TCF_BUSY;
|
| 695 |
|
|
pCurHcb->HCS_ActTags[i] = 0;
|
| 696 |
|
|
pCurHcb->HCS_MaxTags[i] = 0xFF;
|
| 697 |
|
|
} /* for */
|
| 698 |
|
|
printk("i91u: PCI Base=0x%04X, IRQ=%d, BIOS=0x%04X0, SCSI ID=%d\n",
|
| 699 |
|
|
pCurHcb->HCS_Base, pCurHcb->HCS_Intr,
|
| 700 |
|
|
pCurHcb->HCS_BIOS, pCurHcb->HCS_SCSI_ID);
|
| 701 |
|
|
/*------------------- reset SCSI Bus ---------------------------*/
|
| 702 |
|
|
if (pCurHcb->HCS_Config & HCC_SCSI_RESET) {
|
| 703 |
|
|
printk("i91u: Reset SCSI Bus ... \n");
|
| 704 |
|
|
tul_reset_scsi(pCurHcb, seconds);
|
| 705 |
|
|
}
|
| 706 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCFG1, 0x17);
|
| 707 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SIntEnable, 0xE9);
|
| 708 |
|
|
return (0);
|
| 709 |
|
|
}
|
| 710 |
|
|
|
| 711 |
|
|
/***************************************************************************/
|
| 712 |
|
|
SCB *tul_alloc_scb(HCS * hcsp)
|
| 713 |
|
|
{
|
| 714 |
|
|
SCB *pTmpScb;
|
| 715 |
|
|
ULONG flags;
|
| 716 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 717 |
|
|
spin_lock_irqsave(&(hcsp->HCS_AvailLock), flags);
|
| 718 |
|
|
#else
|
| 719 |
|
|
save_flags(flags);
|
| 720 |
|
|
cli();
|
| 721 |
|
|
#endif
|
| 722 |
|
|
if ((pTmpScb = hcsp->HCS_FirstAvail) != NULL) {
|
| 723 |
|
|
#if DEBUG_QUEUE
|
| 724 |
|
|
printk("find scb at %08lx\n", (ULONG) pTmpScb);
|
| 725 |
|
|
#endif
|
| 726 |
|
|
if ((hcsp->HCS_FirstAvail = pTmpScb->SCB_NxtScb) == NULL)
|
| 727 |
|
|
hcsp->HCS_LastAvail = NULL;
|
| 728 |
|
|
pTmpScb->SCB_NxtScb = NULL;
|
| 729 |
|
|
pTmpScb->SCB_Status = SCB_RENT;
|
| 730 |
|
|
}
|
| 731 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 732 |
|
|
spin_unlock_irqrestore(&(hcsp->HCS_AvailLock), flags);
|
| 733 |
|
|
#else
|
| 734 |
|
|
restore_flags(flags);
|
| 735 |
|
|
#endif
|
| 736 |
|
|
return (pTmpScb);
|
| 737 |
|
|
}
|
| 738 |
|
|
|
| 739 |
|
|
/***************************************************************************/
|
| 740 |
|
|
void tul_release_scb(HCS * hcsp, SCB * scbp)
|
| 741 |
|
|
{
|
| 742 |
|
|
ULONG flags;
|
| 743 |
|
|
|
| 744 |
|
|
#if DEBUG_QUEUE
|
| 745 |
|
|
printk("Release SCB %lx; ", (ULONG) scbp);
|
| 746 |
|
|
#endif
|
| 747 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 748 |
|
|
spin_lock_irqsave(&(hcsp->HCS_AvailLock), flags);
|
| 749 |
|
|
#else
|
| 750 |
|
|
save_flags(flags);
|
| 751 |
|
|
cli();
|
| 752 |
|
|
#endif
|
| 753 |
|
|
scbp->SCB_Srb = 0;
|
| 754 |
|
|
scbp->SCB_Status = 0;
|
| 755 |
|
|
scbp->SCB_NxtScb = NULL;
|
| 756 |
|
|
if (hcsp->HCS_LastAvail != NULL) {
|
| 757 |
|
|
hcsp->HCS_LastAvail->SCB_NxtScb = scbp;
|
| 758 |
|
|
hcsp->HCS_LastAvail = scbp;
|
| 759 |
|
|
} else {
|
| 760 |
|
|
hcsp->HCS_FirstAvail = scbp;
|
| 761 |
|
|
hcsp->HCS_LastAvail = scbp;
|
| 762 |
|
|
}
|
| 763 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 764 |
|
|
spin_unlock_irqrestore(&(hcsp->HCS_AvailLock), flags);
|
| 765 |
|
|
#else
|
| 766 |
|
|
restore_flags(flags);
|
| 767 |
|
|
#endif
|
| 768 |
|
|
}
|
| 769 |
|
|
|
| 770 |
|
|
/***************************************************************************/
|
| 771 |
|
|
void tul_append_pend_scb(HCS * pCurHcb, SCB * scbp)
|
| 772 |
|
|
{
|
| 773 |
|
|
|
| 774 |
|
|
#if DEBUG_QUEUE
|
| 775 |
|
|
printk("Append pend SCB %lx; ", (ULONG) scbp);
|
| 776 |
|
|
#endif
|
| 777 |
|
|
scbp->SCB_Status = SCB_PEND;
|
| 778 |
|
|
scbp->SCB_NxtScb = NULL;
|
| 779 |
|
|
if (pCurHcb->HCS_LastPend != NULL) {
|
| 780 |
|
|
pCurHcb->HCS_LastPend->SCB_NxtScb = scbp;
|
| 781 |
|
|
pCurHcb->HCS_LastPend = scbp;
|
| 782 |
|
|
} else {
|
| 783 |
|
|
pCurHcb->HCS_FirstPend = scbp;
|
| 784 |
|
|
pCurHcb->HCS_LastPend = scbp;
|
| 785 |
|
|
}
|
| 786 |
|
|
}
|
| 787 |
|
|
|
| 788 |
|
|
/***************************************************************************/
|
| 789 |
|
|
void tul_push_pend_scb(HCS * pCurHcb, SCB * scbp)
|
| 790 |
|
|
{
|
| 791 |
|
|
|
| 792 |
|
|
#if DEBUG_QUEUE
|
| 793 |
|
|
printk("Push pend SCB %lx; ", (ULONG) scbp);
|
| 794 |
|
|
#endif
|
| 795 |
|
|
scbp->SCB_Status = SCB_PEND;
|
| 796 |
|
|
if ((scbp->SCB_NxtScb = pCurHcb->HCS_FirstPend) != NULL) {
|
| 797 |
|
|
pCurHcb->HCS_FirstPend = scbp;
|
| 798 |
|
|
} else {
|
| 799 |
|
|
pCurHcb->HCS_FirstPend = scbp;
|
| 800 |
|
|
pCurHcb->HCS_LastPend = scbp;
|
| 801 |
|
|
}
|
| 802 |
|
|
}
|
| 803 |
|
|
|
| 804 |
|
|
/***************************************************************************/
|
| 805 |
|
|
SCB *tul_find_first_pend_scb(HCS * pCurHcb)
|
| 806 |
|
|
{
|
| 807 |
|
|
SCB *pFirstPend;
|
| 808 |
|
|
|
| 809 |
|
|
|
| 810 |
|
|
pFirstPend = pCurHcb->HCS_FirstPend;
|
| 811 |
|
|
while (pFirstPend != NULL) {
|
| 812 |
|
|
if (pFirstPend->SCB_Opcode != ExecSCSI) {
|
| 813 |
|
|
return (pFirstPend);
|
| 814 |
|
|
}
|
| 815 |
|
|
if (pFirstPend->SCB_TagMsg == 0) {
|
| 816 |
|
|
if ((pCurHcb->HCS_ActTags[pFirstPend->SCB_Target] == 0) &&
|
| 817 |
|
|
!(pCurHcb->HCS_Tcs[pFirstPend->SCB_Target].TCS_Flags & TCF_BUSY)) {
|
| 818 |
|
|
return (pFirstPend);
|
| 819 |
|
|
}
|
| 820 |
|
|
} else {
|
| 821 |
|
|
if ((pCurHcb->HCS_ActTags[pFirstPend->SCB_Target] >=
|
| 822 |
|
|
pCurHcb->HCS_MaxTags[pFirstPend->SCB_Target]) |
|
| 823 |
|
|
(pCurHcb->HCS_Tcs[pFirstPend->SCB_Target].TCS_Flags & TCF_BUSY)) {
|
| 824 |
|
|
pFirstPend = pFirstPend->SCB_NxtScb;
|
| 825 |
|
|
continue;
|
| 826 |
|
|
}
|
| 827 |
|
|
return (pFirstPend);
|
| 828 |
|
|
}
|
| 829 |
|
|
pFirstPend = pFirstPend->SCB_NxtScb;
|
| 830 |
|
|
}
|
| 831 |
|
|
|
| 832 |
|
|
|
| 833 |
|
|
return (pFirstPend);
|
| 834 |
|
|
}
|
| 835 |
|
|
/***************************************************************************/
|
| 836 |
|
|
SCB *tul_pop_pend_scb(HCS * pCurHcb)
|
| 837 |
|
|
{
|
| 838 |
|
|
SCB *pTmpScb;
|
| 839 |
|
|
|
| 840 |
|
|
if ((pTmpScb = pCurHcb->HCS_FirstPend) != NULL) {
|
| 841 |
|
|
if ((pCurHcb->HCS_FirstPend = pTmpScb->SCB_NxtScb) == NULL)
|
| 842 |
|
|
pCurHcb->HCS_LastPend = NULL;
|
| 843 |
|
|
pTmpScb->SCB_NxtScb = NULL;
|
| 844 |
|
|
}
|
| 845 |
|
|
#if DEBUG_QUEUE
|
| 846 |
|
|
printk("Pop pend SCB %lx; ", (ULONG) pTmpScb);
|
| 847 |
|
|
#endif
|
| 848 |
|
|
return (pTmpScb);
|
| 849 |
|
|
}
|
| 850 |
|
|
|
| 851 |
|
|
|
| 852 |
|
|
/***************************************************************************/
|
| 853 |
|
|
void tul_unlink_pend_scb(HCS * pCurHcb, SCB * pCurScb)
|
| 854 |
|
|
{
|
| 855 |
|
|
SCB *pTmpScb, *pPrevScb;
|
| 856 |
|
|
|
| 857 |
|
|
#if DEBUG_QUEUE
|
| 858 |
|
|
printk("unlink pend SCB %lx; ", (ULONG) pCurScb);
|
| 859 |
|
|
#endif
|
| 860 |
|
|
|
| 861 |
|
|
pPrevScb = pTmpScb = pCurHcb->HCS_FirstPend;
|
| 862 |
|
|
while (pTmpScb != NULL) {
|
| 863 |
|
|
if (pCurScb == pTmpScb) { /* Unlink this SCB */
|
| 864 |
|
|
if (pTmpScb == pCurHcb->HCS_FirstPend) {
|
| 865 |
|
|
if ((pCurHcb->HCS_FirstPend = pTmpScb->SCB_NxtScb) == NULL)
|
| 866 |
|
|
pCurHcb->HCS_LastPend = NULL;
|
| 867 |
|
|
} else {
|
| 868 |
|
|
pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb;
|
| 869 |
|
|
if (pTmpScb == pCurHcb->HCS_LastPend)
|
| 870 |
|
|
pCurHcb->HCS_LastPend = pPrevScb;
|
| 871 |
|
|
}
|
| 872 |
|
|
pTmpScb->SCB_NxtScb = NULL;
|
| 873 |
|
|
break;
|
| 874 |
|
|
}
|
| 875 |
|
|
pPrevScb = pTmpScb;
|
| 876 |
|
|
pTmpScb = pTmpScb->SCB_NxtScb;
|
| 877 |
|
|
}
|
| 878 |
|
|
return;
|
| 879 |
|
|
}
|
| 880 |
|
|
/***************************************************************************/
|
| 881 |
|
|
void tul_append_busy_scb(HCS * pCurHcb, SCB * scbp)
|
| 882 |
|
|
{
|
| 883 |
|
|
|
| 884 |
|
|
#if DEBUG_QUEUE
|
| 885 |
|
|
printk("append busy SCB %lx; ", (ULONG) scbp);
|
| 886 |
|
|
#endif
|
| 887 |
|
|
if (scbp->SCB_TagMsg)
|
| 888 |
|
|
pCurHcb->HCS_ActTags[scbp->SCB_Target]++;
|
| 889 |
|
|
else
|
| 890 |
|
|
pCurHcb->HCS_Tcs[scbp->SCB_Target].TCS_Flags |= TCF_BUSY;
|
| 891 |
|
|
scbp->SCB_Status = SCB_BUSY;
|
| 892 |
|
|
scbp->SCB_NxtScb = NULL;
|
| 893 |
|
|
if (pCurHcb->HCS_LastBusy != NULL) {
|
| 894 |
|
|
pCurHcb->HCS_LastBusy->SCB_NxtScb = scbp;
|
| 895 |
|
|
pCurHcb->HCS_LastBusy = scbp;
|
| 896 |
|
|
} else {
|
| 897 |
|
|
pCurHcb->HCS_FirstBusy = scbp;
|
| 898 |
|
|
pCurHcb->HCS_LastBusy = scbp;
|
| 899 |
|
|
}
|
| 900 |
|
|
}
|
| 901 |
|
|
|
| 902 |
|
|
/***************************************************************************/
|
| 903 |
|
|
SCB *tul_pop_busy_scb(HCS * pCurHcb)
|
| 904 |
|
|
{
|
| 905 |
|
|
SCB *pTmpScb;
|
| 906 |
|
|
|
| 907 |
|
|
|
| 908 |
|
|
if ((pTmpScb = pCurHcb->HCS_FirstBusy) != NULL) {
|
| 909 |
|
|
if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL)
|
| 910 |
|
|
pCurHcb->HCS_LastBusy = NULL;
|
| 911 |
|
|
pTmpScb->SCB_NxtScb = NULL;
|
| 912 |
|
|
if (pTmpScb->SCB_TagMsg)
|
| 913 |
|
|
pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--;
|
| 914 |
|
|
else
|
| 915 |
|
|
pCurHcb->HCS_Tcs[pTmpScb->SCB_Target].TCS_Flags &= ~TCF_BUSY;
|
| 916 |
|
|
}
|
| 917 |
|
|
#if DEBUG_QUEUE
|
| 918 |
|
|
printk("Pop busy SCB %lx; ", (ULONG) pTmpScb);
|
| 919 |
|
|
#endif
|
| 920 |
|
|
return (pTmpScb);
|
| 921 |
|
|
}
|
| 922 |
|
|
|
| 923 |
|
|
/***************************************************************************/
|
| 924 |
|
|
void tul_unlink_busy_scb(HCS * pCurHcb, SCB * pCurScb)
|
| 925 |
|
|
{
|
| 926 |
|
|
SCB *pTmpScb, *pPrevScb;
|
| 927 |
|
|
|
| 928 |
|
|
#if DEBUG_QUEUE
|
| 929 |
|
|
printk("unlink busy SCB %lx; ", (ULONG) pCurScb);
|
| 930 |
|
|
#endif
|
| 931 |
|
|
|
| 932 |
|
|
pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy;
|
| 933 |
|
|
while (pTmpScb != NULL) {
|
| 934 |
|
|
if (pCurScb == pTmpScb) { /* Unlink this SCB */
|
| 935 |
|
|
if (pTmpScb == pCurHcb->HCS_FirstBusy) {
|
| 936 |
|
|
if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL)
|
| 937 |
|
|
pCurHcb->HCS_LastBusy = NULL;
|
| 938 |
|
|
} else {
|
| 939 |
|
|
pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb;
|
| 940 |
|
|
if (pTmpScb == pCurHcb->HCS_LastBusy)
|
| 941 |
|
|
pCurHcb->HCS_LastBusy = pPrevScb;
|
| 942 |
|
|
}
|
| 943 |
|
|
pTmpScb->SCB_NxtScb = NULL;
|
| 944 |
|
|
if (pTmpScb->SCB_TagMsg)
|
| 945 |
|
|
pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--;
|
| 946 |
|
|
else
|
| 947 |
|
|
pCurHcb->HCS_Tcs[pTmpScb->SCB_Target].TCS_Flags &= ~TCF_BUSY;
|
| 948 |
|
|
break;
|
| 949 |
|
|
}
|
| 950 |
|
|
pPrevScb = pTmpScb;
|
| 951 |
|
|
pTmpScb = pTmpScb->SCB_NxtScb;
|
| 952 |
|
|
}
|
| 953 |
|
|
return;
|
| 954 |
|
|
}
|
| 955 |
|
|
|
| 956 |
|
|
/***************************************************************************/
|
| 957 |
|
|
SCB *tul_find_busy_scb(HCS * pCurHcb, WORD tarlun)
|
| 958 |
|
|
{
|
| 959 |
|
|
SCB *pTmpScb, *pPrevScb;
|
| 960 |
|
|
WORD scbp_tarlun;
|
| 961 |
|
|
|
| 962 |
|
|
|
| 963 |
|
|
pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy;
|
| 964 |
|
|
while (pTmpScb != NULL) {
|
| 965 |
|
|
scbp_tarlun = (pTmpScb->SCB_Lun << 8) | (pTmpScb->SCB_Target);
|
| 966 |
|
|
if (scbp_tarlun == tarlun) { /* Unlink this SCB */
|
| 967 |
|
|
break;
|
| 968 |
|
|
}
|
| 969 |
|
|
pPrevScb = pTmpScb;
|
| 970 |
|
|
pTmpScb = pTmpScb->SCB_NxtScb;
|
| 971 |
|
|
}
|
| 972 |
|
|
#if DEBUG_QUEUE
|
| 973 |
|
|
printk("find busy SCB %lx; ", (ULONG) pTmpScb);
|
| 974 |
|
|
#endif
|
| 975 |
|
|
return (pTmpScb);
|
| 976 |
|
|
}
|
| 977 |
|
|
|
| 978 |
|
|
/***************************************************************************/
|
| 979 |
|
|
void tul_append_done_scb(HCS * pCurHcb, SCB * scbp)
|
| 980 |
|
|
{
|
| 981 |
|
|
|
| 982 |
|
|
#if DEBUG_QUEUE
|
| 983 |
|
|
printk("append done SCB %lx; ", (ULONG) scbp);
|
| 984 |
|
|
#endif
|
| 985 |
|
|
|
| 986 |
|
|
scbp->SCB_Status = SCB_DONE;
|
| 987 |
|
|
scbp->SCB_NxtScb = NULL;
|
| 988 |
|
|
if (pCurHcb->HCS_LastDone != NULL) {
|
| 989 |
|
|
pCurHcb->HCS_LastDone->SCB_NxtScb = scbp;
|
| 990 |
|
|
pCurHcb->HCS_LastDone = scbp;
|
| 991 |
|
|
} else {
|
| 992 |
|
|
pCurHcb->HCS_FirstDone = scbp;
|
| 993 |
|
|
pCurHcb->HCS_LastDone = scbp;
|
| 994 |
|
|
}
|
| 995 |
|
|
}
|
| 996 |
|
|
|
| 997 |
|
|
/***************************************************************************/
|
| 998 |
|
|
SCB *tul_find_done_scb(HCS * pCurHcb)
|
| 999 |
|
|
{
|
| 1000 |
|
|
SCB *pTmpScb;
|
| 1001 |
|
|
|
| 1002 |
|
|
|
| 1003 |
|
|
if ((pTmpScb = pCurHcb->HCS_FirstDone) != NULL) {
|
| 1004 |
|
|
if ((pCurHcb->HCS_FirstDone = pTmpScb->SCB_NxtScb) == NULL)
|
| 1005 |
|
|
pCurHcb->HCS_LastDone = NULL;
|
| 1006 |
|
|
pTmpScb->SCB_NxtScb = NULL;
|
| 1007 |
|
|
}
|
| 1008 |
|
|
#if DEBUG_QUEUE
|
| 1009 |
|
|
printk("find done SCB %lx; ", (ULONG) pTmpScb);
|
| 1010 |
|
|
#endif
|
| 1011 |
|
|
return (pTmpScb);
|
| 1012 |
|
|
}
|
| 1013 |
|
|
|
| 1014 |
|
|
/***************************************************************************/
|
| 1015 |
|
|
int tul_abort_srb(HCS * pCurHcb, ULONG srbp)
|
| 1016 |
|
|
{
|
| 1017 |
|
|
ULONG flags;
|
| 1018 |
|
|
SCB *pTmpScb, *pPrevScb;
|
| 1019 |
|
|
|
| 1020 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1021 |
|
|
spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1022 |
|
|
#else
|
| 1023 |
|
|
save_flags(flags);
|
| 1024 |
|
|
cli();
|
| 1025 |
|
|
#endif
|
| 1026 |
|
|
|
| 1027 |
|
|
if ((pCurHcb->HCS_Semaph == 0) && (pCurHcb->HCS_ActScb == NULL)) {
|
| 1028 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
|
| 1029 |
|
|
/* disable Jasmin SCSI Int */
|
| 1030 |
|
|
|
| 1031 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1032 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1033 |
|
|
#endif
|
| 1034 |
|
|
|
| 1035 |
|
|
tulip_main(pCurHcb);
|
| 1036 |
|
|
|
| 1037 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1038 |
|
|
spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1039 |
|
|
#endif
|
| 1040 |
|
|
|
| 1041 |
|
|
pCurHcb->HCS_Semaph = 1;
|
| 1042 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F);
|
| 1043 |
|
|
|
| 1044 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1045 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1046 |
|
|
#else
|
| 1047 |
|
|
restore_flags(flags);
|
| 1048 |
|
|
#endif
|
| 1049 |
|
|
|
| 1050 |
|
|
return SCSI_ABORT_SNOOZE;
|
| 1051 |
|
|
}
|
| 1052 |
|
|
pPrevScb = pTmpScb = pCurHcb->HCS_FirstPend; /* Check Pend queue */
|
| 1053 |
|
|
while (pTmpScb != NULL) {
|
| 1054 |
|
|
/* 07/27/98 */
|
| 1055 |
|
|
if (pTmpScb->SCB_Srb == (unsigned char *) srbp) {
|
| 1056 |
|
|
if (pTmpScb == pCurHcb->HCS_ActScb) {
|
| 1057 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1058 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1059 |
|
|
#else
|
| 1060 |
|
|
restore_flags(flags);
|
| 1061 |
|
|
#endif
|
| 1062 |
|
|
return SCSI_ABORT_BUSY;
|
| 1063 |
|
|
} else if (pTmpScb == pCurHcb->HCS_FirstPend) {
|
| 1064 |
|
|
if ((pCurHcb->HCS_FirstPend = pTmpScb->SCB_NxtScb) == NULL)
|
| 1065 |
|
|
pCurHcb->HCS_LastPend = NULL;
|
| 1066 |
|
|
} else {
|
| 1067 |
|
|
pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb;
|
| 1068 |
|
|
if (pTmpScb == pCurHcb->HCS_LastPend)
|
| 1069 |
|
|
pCurHcb->HCS_LastPend = pPrevScb;
|
| 1070 |
|
|
}
|
| 1071 |
|
|
pTmpScb->SCB_HaStat = HOST_ABORTED;
|
| 1072 |
|
|
pTmpScb->SCB_Flags |= SCF_DONE;
|
| 1073 |
|
|
if (pTmpScb->SCB_Flags & SCF_POST)
|
| 1074 |
|
|
(*pTmpScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pTmpScb);
|
| 1075 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1076 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1077 |
|
|
#else
|
| 1078 |
|
|
restore_flags(flags);
|
| 1079 |
|
|
#endif
|
| 1080 |
|
|
return SCSI_ABORT_SUCCESS;
|
| 1081 |
|
|
}
|
| 1082 |
|
|
pPrevScb = pTmpScb;
|
| 1083 |
|
|
pTmpScb = pTmpScb->SCB_NxtScb;
|
| 1084 |
|
|
}
|
| 1085 |
|
|
|
| 1086 |
|
|
pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy; /* Check Busy queue */
|
| 1087 |
|
|
while (pTmpScb != NULL) {
|
| 1088 |
|
|
|
| 1089 |
|
|
if (pTmpScb->SCB_Srb == (unsigned char *) srbp) {
|
| 1090 |
|
|
|
| 1091 |
|
|
if (pTmpScb == pCurHcb->HCS_ActScb) {
|
| 1092 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1093 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1094 |
|
|
#else
|
| 1095 |
|
|
restore_flags(flags);
|
| 1096 |
|
|
#endif
|
| 1097 |
|
|
return SCSI_ABORT_BUSY;
|
| 1098 |
|
|
} else if (pTmpScb->SCB_TagMsg == 0) {
|
| 1099 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1100 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1101 |
|
|
#else
|
| 1102 |
|
|
restore_flags(flags);
|
| 1103 |
|
|
#endif
|
| 1104 |
|
|
return SCSI_ABORT_BUSY;
|
| 1105 |
|
|
} else {
|
| 1106 |
|
|
pCurHcb->HCS_ActTags[pTmpScb->SCB_Target]--;
|
| 1107 |
|
|
if (pTmpScb == pCurHcb->HCS_FirstBusy) {
|
| 1108 |
|
|
if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL)
|
| 1109 |
|
|
pCurHcb->HCS_LastBusy = NULL;
|
| 1110 |
|
|
} else {
|
| 1111 |
|
|
pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb;
|
| 1112 |
|
|
if (pTmpScb == pCurHcb->HCS_LastBusy)
|
| 1113 |
|
|
pCurHcb->HCS_LastBusy = pPrevScb;
|
| 1114 |
|
|
}
|
| 1115 |
|
|
pTmpScb->SCB_NxtScb = NULL;
|
| 1116 |
|
|
|
| 1117 |
|
|
|
| 1118 |
|
|
pTmpScb->SCB_HaStat = HOST_ABORTED;
|
| 1119 |
|
|
pTmpScb->SCB_Flags |= SCF_DONE;
|
| 1120 |
|
|
if (pTmpScb->SCB_Flags & SCF_POST)
|
| 1121 |
|
|
(*pTmpScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pTmpScb);
|
| 1122 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1123 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1124 |
|
|
#else
|
| 1125 |
|
|
restore_flags(flags);
|
| 1126 |
|
|
#endif
|
| 1127 |
|
|
return SCSI_ABORT_SUCCESS;
|
| 1128 |
|
|
}
|
| 1129 |
|
|
}
|
| 1130 |
|
|
pPrevScb = pTmpScb;
|
| 1131 |
|
|
pTmpScb = pTmpScb->SCB_NxtScb;
|
| 1132 |
|
|
}
|
| 1133 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1134 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1135 |
|
|
#else
|
| 1136 |
|
|
restore_flags(flags);
|
| 1137 |
|
|
#endif
|
| 1138 |
|
|
return (SCSI_ABORT_NOT_RUNNING);
|
| 1139 |
|
|
}
|
| 1140 |
|
|
|
| 1141 |
|
|
/***************************************************************************/
|
| 1142 |
|
|
int tul_bad_seq(HCS * pCurHcb)
|
| 1143 |
|
|
{
|
| 1144 |
|
|
SCB *pCurScb;
|
| 1145 |
|
|
|
| 1146 |
|
|
printk("tul_bad_seg c=%d\n", pCurHcb->HCS_Index);
|
| 1147 |
|
|
|
| 1148 |
|
|
if ((pCurScb = pCurHcb->HCS_ActScb) != NULL) {
|
| 1149 |
|
|
tul_unlink_busy_scb(pCurHcb, pCurScb);
|
| 1150 |
|
|
pCurScb->SCB_HaStat = HOST_BAD_PHAS;
|
| 1151 |
|
|
pCurScb->SCB_TaStat = 0;
|
| 1152 |
|
|
tul_append_done_scb(pCurHcb, pCurScb);
|
| 1153 |
|
|
}
|
| 1154 |
|
|
tul_stop_bm(pCurHcb);
|
| 1155 |
|
|
|
| 1156 |
|
|
tul_reset_scsi(pCurHcb, 8); /* 7/29/98 */
|
| 1157 |
|
|
|
| 1158 |
|
|
return (tul_post_scsi_rst(pCurHcb));
|
| 1159 |
|
|
}
|
| 1160 |
|
|
|
| 1161 |
|
|
/************************************************************************/
|
| 1162 |
|
|
int tul_device_reset(HCS * pCurHcb, ULONG pSrb, unsigned int target, unsigned int ResetFlags)
|
| 1163 |
|
|
{
|
| 1164 |
|
|
ULONG flags;
|
| 1165 |
|
|
SCB *pScb;
|
| 1166 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1167 |
|
|
spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1168 |
|
|
#else
|
| 1169 |
|
|
save_flags(flags);
|
| 1170 |
|
|
cli();
|
| 1171 |
|
|
#endif
|
| 1172 |
|
|
|
| 1173 |
|
|
if (ResetFlags & SCSI_RESET_ASYNCHRONOUS) {
|
| 1174 |
|
|
|
| 1175 |
|
|
if ((pCurHcb->HCS_Semaph == 0) && (pCurHcb->HCS_ActScb == NULL)) {
|
| 1176 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
|
| 1177 |
|
|
/* disable Jasmin SCSI Int */
|
| 1178 |
|
|
|
| 1179 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1180 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1181 |
|
|
#endif
|
| 1182 |
|
|
|
| 1183 |
|
|
tulip_main(pCurHcb);
|
| 1184 |
|
|
|
| 1185 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1186 |
|
|
spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1187 |
|
|
#endif
|
| 1188 |
|
|
|
| 1189 |
|
|
pCurHcb->HCS_Semaph = 1;
|
| 1190 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F);
|
| 1191 |
|
|
|
| 1192 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1193 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1194 |
|
|
#else
|
| 1195 |
|
|
restore_flags(flags);
|
| 1196 |
|
|
#endif
|
| 1197 |
|
|
|
| 1198 |
|
|
return SCSI_RESET_SNOOZE;
|
| 1199 |
|
|
}
|
| 1200 |
|
|
pScb = pCurHcb->HCS_FirstBusy; /* Check Busy queue */
|
| 1201 |
|
|
while (pScb != NULL) {
|
| 1202 |
|
|
if (pScb->SCB_Srb == (unsigned char *) pSrb)
|
| 1203 |
|
|
break;
|
| 1204 |
|
|
pScb = pScb->SCB_NxtScb;
|
| 1205 |
|
|
}
|
| 1206 |
|
|
if (pScb == NULL) {
|
| 1207 |
|
|
printk("Unable to Reset - No SCB Found\n");
|
| 1208 |
|
|
|
| 1209 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1210 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1211 |
|
|
#else
|
| 1212 |
|
|
restore_flags(flags);
|
| 1213 |
|
|
#endif
|
| 1214 |
|
|
return SCSI_RESET_NOT_RUNNING;
|
| 1215 |
|
|
}
|
| 1216 |
|
|
}
|
| 1217 |
|
|
if ((pScb = tul_alloc_scb(pCurHcb)) == NULL) {
|
| 1218 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1219 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1220 |
|
|
#else
|
| 1221 |
|
|
restore_flags(flags);
|
| 1222 |
|
|
#endif
|
| 1223 |
|
|
return SCSI_RESET_NOT_RUNNING;
|
| 1224 |
|
|
}
|
| 1225 |
|
|
pScb->SCB_Opcode = BusDevRst;
|
| 1226 |
|
|
pScb->SCB_Flags = SCF_POST;
|
| 1227 |
|
|
pScb->SCB_Target = target;
|
| 1228 |
|
|
pScb->SCB_Mode = 0;
|
| 1229 |
|
|
|
| 1230 |
|
|
pScb->SCB_Srb = 0;
|
| 1231 |
|
|
if (ResetFlags & SCSI_RESET_SYNCHRONOUS) {
|
| 1232 |
|
|
pScb->SCB_Srb = (unsigned char *) pSrb;
|
| 1233 |
|
|
}
|
| 1234 |
|
|
tul_push_pend_scb(pCurHcb, pScb); /* push this SCB to Pending queue */
|
| 1235 |
|
|
|
| 1236 |
|
|
if (pCurHcb->HCS_Semaph == 1) {
|
| 1237 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
|
| 1238 |
|
|
/* disable Jasmin SCSI Int */
|
| 1239 |
|
|
pCurHcb->HCS_Semaph = 0;
|
| 1240 |
|
|
|
| 1241 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1242 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1243 |
|
|
#endif
|
| 1244 |
|
|
|
| 1245 |
|
|
tulip_main(pCurHcb);
|
| 1246 |
|
|
|
| 1247 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1248 |
|
|
spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1249 |
|
|
#endif
|
| 1250 |
|
|
|
| 1251 |
|
|
pCurHcb->HCS_Semaph = 1;
|
| 1252 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F);
|
| 1253 |
|
|
}
|
| 1254 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1255 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1256 |
|
|
#else
|
| 1257 |
|
|
restore_flags(flags);
|
| 1258 |
|
|
#endif
|
| 1259 |
|
|
return SCSI_RESET_PENDING;
|
| 1260 |
|
|
}
|
| 1261 |
|
|
|
| 1262 |
|
|
int tul_reset_scsi_bus(HCS * pCurHcb)
|
| 1263 |
|
|
{
|
| 1264 |
|
|
ULONG flags;
|
| 1265 |
|
|
|
| 1266 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1267 |
|
|
spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1268 |
|
|
#else
|
| 1269 |
|
|
save_flags(flags);
|
| 1270 |
|
|
cli();
|
| 1271 |
|
|
#endif
|
| 1272 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
|
| 1273 |
|
|
pCurHcb->HCS_Semaph = 0;
|
| 1274 |
|
|
|
| 1275 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1276 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1277 |
|
|
#else
|
| 1278 |
|
|
restore_flags(flags);
|
| 1279 |
|
|
#endif
|
| 1280 |
|
|
|
| 1281 |
|
|
tul_stop_bm(pCurHcb);
|
| 1282 |
|
|
|
| 1283 |
|
|
tul_reset_scsi(pCurHcb, 2); /* 7/29/98 */
|
| 1284 |
|
|
|
| 1285 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1286 |
|
|
spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1287 |
|
|
#else
|
| 1288 |
|
|
save_flags(flags);
|
| 1289 |
|
|
cli();
|
| 1290 |
|
|
#endif
|
| 1291 |
|
|
tul_post_scsi_rst(pCurHcb);
|
| 1292 |
|
|
|
| 1293 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1294 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1295 |
|
|
#endif
|
| 1296 |
|
|
|
| 1297 |
|
|
tulip_main(pCurHcb);
|
| 1298 |
|
|
|
| 1299 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1300 |
|
|
spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1301 |
|
|
#endif
|
| 1302 |
|
|
|
| 1303 |
|
|
pCurHcb->HCS_Semaph = 1;
|
| 1304 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F);
|
| 1305 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1306 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1307 |
|
|
#else
|
| 1308 |
|
|
restore_flags(flags);
|
| 1309 |
|
|
#endif
|
| 1310 |
|
|
return (SCSI_RESET_SUCCESS | SCSI_RESET_HOST_RESET);
|
| 1311 |
|
|
}
|
| 1312 |
|
|
|
| 1313 |
|
|
/************************************************************************/
|
| 1314 |
|
|
void tul_exec_scb(HCS * pCurHcb, SCB * pCurScb)
|
| 1315 |
|
|
{
|
| 1316 |
|
|
ULONG flags;
|
| 1317 |
|
|
|
| 1318 |
|
|
pCurScb->SCB_Mode = 0;
|
| 1319 |
|
|
|
| 1320 |
|
|
pCurScb->SCB_SGIdx = 0;
|
| 1321 |
|
|
pCurScb->SCB_SGMax = pCurScb->SCB_SGLen;
|
| 1322 |
|
|
|
| 1323 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1324 |
|
|
spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1325 |
|
|
#else
|
| 1326 |
|
|
save_flags(flags);
|
| 1327 |
|
|
cli();
|
| 1328 |
|
|
#endif
|
| 1329 |
|
|
|
| 1330 |
|
|
tul_append_pend_scb(pCurHcb, pCurScb); /* Append this SCB to Pending queue */
|
| 1331 |
|
|
|
| 1332 |
|
|
/* VVVVV 07/21/98 */
|
| 1333 |
|
|
if (pCurHcb->HCS_Semaph == 1) {
|
| 1334 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
|
| 1335 |
|
|
/* disable Jasmin SCSI Int */
|
| 1336 |
|
|
pCurHcb->HCS_Semaph = 0;
|
| 1337 |
|
|
|
| 1338 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1339 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1340 |
|
|
#endif
|
| 1341 |
|
|
|
| 1342 |
|
|
tulip_main(pCurHcb);
|
| 1343 |
|
|
|
| 1344 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1345 |
|
|
spin_lock_irqsave(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1346 |
|
|
#endif
|
| 1347 |
|
|
|
| 1348 |
|
|
pCurHcb->HCS_Semaph = 1;
|
| 1349 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F);
|
| 1350 |
|
|
}
|
| 1351 |
|
|
#if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
|
| 1352 |
|
|
spin_unlock_irqrestore(&(pCurHcb->HCS_SemaphLock), flags);
|
| 1353 |
|
|
#else
|
| 1354 |
|
|
restore_flags(flags);
|
| 1355 |
|
|
#endif
|
| 1356 |
|
|
return;
|
| 1357 |
|
|
}
|
| 1358 |
|
|
|
| 1359 |
|
|
/***************************************************************************/
|
| 1360 |
|
|
int tul_isr(HCS * pCurHcb)
|
| 1361 |
|
|
{
|
| 1362 |
|
|
/* Enter critical section */
|
| 1363 |
|
|
|
| 1364 |
|
|
if (TUL_RD(pCurHcb->HCS_Base, TUL_Int) & TSS_INT_PENDING) {
|
| 1365 |
|
|
if (pCurHcb->HCS_Semaph == 1) {
|
| 1366 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x1F);
|
| 1367 |
|
|
/* Disable Tulip SCSI Int */
|
| 1368 |
|
|
pCurHcb->HCS_Semaph = 0;
|
| 1369 |
|
|
|
| 1370 |
|
|
tulip_main(pCurHcb);
|
| 1371 |
|
|
|
| 1372 |
|
|
pCurHcb->HCS_Semaph = 1;
|
| 1373 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_Mask, 0x0F);
|
| 1374 |
|
|
return (1);
|
| 1375 |
|
|
}
|
| 1376 |
|
|
}
|
| 1377 |
|
|
return (0);
|
| 1378 |
|
|
}
|
| 1379 |
|
|
|
| 1380 |
|
|
/***************************************************************************/
|
| 1381 |
|
|
int tulip_main(HCS * pCurHcb)
|
| 1382 |
|
|
{
|
| 1383 |
|
|
SCB *pCurScb;
|
| 1384 |
|
|
|
| 1385 |
|
|
for (;;) {
|
| 1386 |
|
|
|
| 1387 |
|
|
tulip_scsi(pCurHcb); /* Call tulip_scsi */
|
| 1388 |
|
|
|
| 1389 |
|
|
while ((pCurScb = tul_find_done_scb(pCurHcb)) != NULL) { /* find done entry */
|
| 1390 |
|
|
if (pCurScb->SCB_TaStat == QUEUE_FULL) {
|
| 1391 |
|
|
pCurHcb->HCS_MaxTags[pCurScb->SCB_Target] =
|
| 1392 |
|
|
pCurHcb->HCS_ActTags[pCurScb->SCB_Target] - 1;
|
| 1393 |
|
|
pCurScb->SCB_TaStat = 0;
|
| 1394 |
|
|
tul_append_pend_scb(pCurHcb, pCurScb);
|
| 1395 |
|
|
continue;
|
| 1396 |
|
|
}
|
| 1397 |
|
|
if (!(pCurScb->SCB_Mode & SCM_RSENS)) { /* not in auto req. sense mode */
|
| 1398 |
|
|
if (pCurScb->SCB_TaStat == 2) {
|
| 1399 |
|
|
|
| 1400 |
|
|
/* clr sync. nego flag */
|
| 1401 |
|
|
|
| 1402 |
|
|
if (pCurScb->SCB_Flags & SCF_SENSE) {
|
| 1403 |
|
|
BYTE len;
|
| 1404 |
|
|
len = pCurScb->SCB_SenseLen;
|
| 1405 |
|
|
if (len == 0)
|
| 1406 |
|
|
len = 1;
|
| 1407 |
|
|
pCurScb->SCB_BufLen = pCurScb->SCB_SenseLen;
|
| 1408 |
|
|
pCurScb->SCB_BufPtr = pCurScb->SCB_SensePtr;
|
| 1409 |
|
|
pCurScb->SCB_Flags &= ~(SCF_SG | SCF_DIR); /* for xfer_data_in */
|
| 1410 |
|
|
/* pCurScb->SCB_Flags |= SCF_NO_DCHK; */
|
| 1411 |
|
|
/* so, we won't report worng direction in xfer_data_in,
|
| 1412 |
|
|
and won't report HOST_DO_DU in state_6 */
|
| 1413 |
|
|
pCurScb->SCB_Mode = SCM_RSENS;
|
| 1414 |
|
|
pCurScb->SCB_Ident &= 0xBF; /* Disable Disconnect */
|
| 1415 |
|
|
pCurScb->SCB_TagMsg = 0;
|
| 1416 |
|
|
pCurScb->SCB_TaStat = 0;
|
| 1417 |
|
|
pCurScb->SCB_CDBLen = 6;
|
| 1418 |
|
|
pCurScb->SCB_CDB[0] = SCSICMD_RequestSense;
|
| 1419 |
|
|
pCurScb->SCB_CDB[1] = 0;
|
| 1420 |
|
|
pCurScb->SCB_CDB[2] = 0;
|
| 1421 |
|
|
pCurScb->SCB_CDB[3] = 0;
|
| 1422 |
|
|
pCurScb->SCB_CDB[4] = len;
|
| 1423 |
|
|
pCurScb->SCB_CDB[5] = 0;
|
| 1424 |
|
|
tul_push_pend_scb(pCurHcb, pCurScb);
|
| 1425 |
|
|
break;
|
| 1426 |
|
|
}
|
| 1427 |
|
|
}
|
| 1428 |
|
|
} else { /* in request sense mode */
|
| 1429 |
|
|
|
| 1430 |
|
|
if (pCurScb->SCB_TaStat == 2) { /* check contition status again after sending
|
| 1431 |
|
|
requset sense cmd 0x3 */
|
| 1432 |
|
|
pCurScb->SCB_HaStat = HOST_BAD_PHAS;
|
| 1433 |
|
|
}
|
| 1434 |
|
|
pCurScb->SCB_TaStat = 2;
|
| 1435 |
|
|
}
|
| 1436 |
|
|
pCurScb->SCB_Flags |= SCF_DONE;
|
| 1437 |
|
|
if (pCurScb->SCB_Flags & SCF_POST) {
|
| 1438 |
|
|
(*pCurScb->SCB_Post) ((BYTE *) pCurHcb, (BYTE *) pCurScb);
|
| 1439 |
|
|
}
|
| 1440 |
|
|
} /* while */
|
| 1441 |
|
|
|
| 1442 |
|
|
/* find_active: */
|
| 1443 |
|
|
if (TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0) & TSS_INT_PENDING)
|
| 1444 |
|
|
continue;
|
| 1445 |
|
|
|
| 1446 |
|
|
if (pCurHcb->HCS_ActScb) { /* return to OS and wait for xfer_done_ISR/Selected_ISR */
|
| 1447 |
|
|
return 1; /* return to OS, enable interrupt */
|
| 1448 |
|
|
}
|
| 1449 |
|
|
/* Check pending SCB */
|
| 1450 |
|
|
if (tul_find_first_pend_scb(pCurHcb) == NULL) {
|
| 1451 |
|
|
return 1; /* return to OS, enable interrupt */
|
| 1452 |
|
|
}
|
| 1453 |
|
|
} /* End of for loop */
|
| 1454 |
|
|
/* statement won't reach here */
|
| 1455 |
|
|
}
|
| 1456 |
|
|
|
| 1457 |
|
|
|
| 1458 |
|
|
|
| 1459 |
|
|
|
| 1460 |
|
|
/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
|
| 1461 |
|
|
/***************************************************************************/
|
| 1462 |
|
|
/***************************************************************************/
|
| 1463 |
|
|
/***************************************************************************/
|
| 1464 |
|
|
/***************************************************************************/
|
| 1465 |
|
|
|
| 1466 |
|
|
/***************************************************************************/
|
| 1467 |
|
|
void tulip_scsi(HCS * pCurHcb)
|
| 1468 |
|
|
{
|
| 1469 |
|
|
SCB *pCurScb;
|
| 1470 |
|
|
TCS *pCurTcb;
|
| 1471 |
|
|
|
| 1472 |
|
|
/* make sure to service interrupt asap */
|
| 1473 |
|
|
|
| 1474 |
|
|
if ((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0)) & TSS_INT_PENDING) {
|
| 1475 |
|
|
|
| 1476 |
|
|
pCurHcb->HCS_Phase = pCurHcb->HCS_JSStatus0 & TSS_PH_MASK;
|
| 1477 |
|
|
pCurHcb->HCS_JSStatus1 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1);
|
| 1478 |
|
|
pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt);
|
| 1479 |
|
|
if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* SCSI bus reset detected */
|
| 1480 |
|
|
int_tul_scsi_rst(pCurHcb);
|
| 1481 |
|
|
return;
|
| 1482 |
|
|
}
|
| 1483 |
|
|
if (pCurHcb->HCS_JSInt & TSS_RESEL_INT) { /* if selected/reselected interrupt */
|
| 1484 |
|
|
if (int_tul_resel(pCurHcb) == 0)
|
| 1485 |
|
|
tul_next_state(pCurHcb);
|
| 1486 |
|
|
return;
|
| 1487 |
|
|
}
|
| 1488 |
|
|
if (pCurHcb->HCS_JSInt & TSS_SEL_TIMEOUT) {
|
| 1489 |
|
|
int_tul_busfree(pCurHcb);
|
| 1490 |
|
|
return;
|
| 1491 |
|
|
}
|
| 1492 |
|
|
if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */
|
| 1493 |
|
|
int_tul_busfree(pCurHcb); /* unexpected bus free or sel timeout */
|
| 1494 |
|
|
return;
|
| 1495 |
|
|
}
|
| 1496 |
|
|
if (pCurHcb->HCS_JSInt & (TSS_FUNC_COMP | TSS_BUS_SERV)) { /* func complete or Bus service */
|
| 1497 |
|
|
if ((pCurScb = pCurHcb->HCS_ActScb) != NULL)
|
| 1498 |
|
|
tul_next_state(pCurHcb);
|
| 1499 |
|
|
return;
|
| 1500 |
|
|
}
|
| 1501 |
|
|
}
|
| 1502 |
|
|
if (pCurHcb->HCS_ActScb != NULL)
|
| 1503 |
|
|
return;
|
| 1504 |
|
|
|
| 1505 |
|
|
if ((pCurScb = tul_find_first_pend_scb(pCurHcb)) == NULL)
|
| 1506 |
|
|
return;
|
| 1507 |
|
|
|
| 1508 |
|
|
/* program HBA's SCSI ID & target SCSI ID */
|
| 1509 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SScsiId,
|
| 1510 |
|
|
(pCurHcb->HCS_SCSI_ID << 4) | (pCurScb->SCB_Target & 0x0F));
|
| 1511 |
|
|
if (pCurScb->SCB_Opcode == ExecSCSI) {
|
| 1512 |
|
|
pCurTcb = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target];
|
| 1513 |
|
|
|
| 1514 |
|
|
if (pCurScb->SCB_TagMsg)
|
| 1515 |
|
|
pCurTcb->TCS_DrvFlags |= TCF_DRV_EN_TAG;
|
| 1516 |
|
|
else
|
| 1517 |
|
|
pCurTcb->TCS_DrvFlags &= ~TCF_DRV_EN_TAG;
|
| 1518 |
|
|
|
| 1519 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurTcb->TCS_JS_Period);
|
| 1520 |
|
|
if ((pCurTcb->TCS_Flags & (TCF_WDTR_DONE | TCF_NO_WDTR)) == 0) { /* do wdtr negotiation */
|
| 1521 |
|
|
tul_select_atn_stop(pCurHcb, pCurScb);
|
| 1522 |
|
|
} else {
|
| 1523 |
|
|
if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { /* do sync negotiation */
|
| 1524 |
|
|
tul_select_atn_stop(pCurHcb, pCurScb);
|
| 1525 |
|
|
} else {
|
| 1526 |
|
|
if (pCurScb->SCB_TagMsg)
|
| 1527 |
|
|
tul_select_atn3(pCurHcb, pCurScb);
|
| 1528 |
|
|
else
|
| 1529 |
|
|
tul_select_atn(pCurHcb, pCurScb);
|
| 1530 |
|
|
}
|
| 1531 |
|
|
}
|
| 1532 |
|
|
if (pCurScb->SCB_Flags & SCF_POLL) {
|
| 1533 |
|
|
while (wait_tulip(pCurHcb) != -1) {
|
| 1534 |
|
|
if (tul_next_state(pCurHcb) == -1)
|
| 1535 |
|
|
break;
|
| 1536 |
|
|
}
|
| 1537 |
|
|
}
|
| 1538 |
|
|
} else if (pCurScb->SCB_Opcode == BusDevRst) {
|
| 1539 |
|
|
tul_select_atn_stop(pCurHcb, pCurScb);
|
| 1540 |
|
|
pCurScb->SCB_NxtStat = 8;
|
| 1541 |
|
|
if (pCurScb->SCB_Flags & SCF_POLL) {
|
| 1542 |
|
|
while (wait_tulip(pCurHcb) != -1) {
|
| 1543 |
|
|
if (tul_next_state(pCurHcb) == -1)
|
| 1544 |
|
|
break;
|
| 1545 |
|
|
}
|
| 1546 |
|
|
}
|
| 1547 |
|
|
} else if (pCurScb->SCB_Opcode == AbortCmd) {
|
| 1548 |
|
|
ULONG srbp;
|
| 1549 |
|
|
|
| 1550 |
|
|
srbp = (ULONG) pCurScb->SCB_Srb;
|
| 1551 |
|
|
/* 08/03/98 */
|
| 1552 |
|
|
if (tul_abort_srb(pCurHcb, srbp) != 0) {
|
| 1553 |
|
|
|
| 1554 |
|
|
|
| 1555 |
|
|
tul_unlink_pend_scb(pCurHcb, pCurScb);
|
| 1556 |
|
|
|
| 1557 |
|
|
tul_release_scb(pCurHcb, pCurScb);
|
| 1558 |
|
|
} else {
|
| 1559 |
|
|
pCurScb->SCB_Opcode = BusDevRst;
|
| 1560 |
|
|
tul_select_atn_stop(pCurHcb, pCurScb);
|
| 1561 |
|
|
pCurScb->SCB_NxtStat = 8;
|
| 1562 |
|
|
}
|
| 1563 |
|
|
|
| 1564 |
|
|
/* 08/03/98 */
|
| 1565 |
|
|
} else {
|
| 1566 |
|
|
tul_unlink_pend_scb(pCurHcb, pCurScb);
|
| 1567 |
|
|
pCurScb->SCB_HaStat = 0x16; /* bad command */
|
| 1568 |
|
|
tul_append_done_scb(pCurHcb, pCurScb);
|
| 1569 |
|
|
}
|
| 1570 |
|
|
return;
|
| 1571 |
|
|
}
|
| 1572 |
|
|
|
| 1573 |
|
|
|
| 1574 |
|
|
/***************************************************************************/
|
| 1575 |
|
|
int tul_next_state(HCS * pCurHcb)
|
| 1576 |
|
|
{
|
| 1577 |
|
|
int next;
|
| 1578 |
|
|
|
| 1579 |
|
|
next = pCurHcb->HCS_ActScb->SCB_NxtStat;
|
| 1580 |
|
|
for (;;) {
|
| 1581 |
|
|
switch (next) {
|
| 1582 |
|
|
case 1:
|
| 1583 |
|
|
next = tul_state_1(pCurHcb);
|
| 1584 |
|
|
break;
|
| 1585 |
|
|
case 2:
|
| 1586 |
|
|
next = tul_state_2(pCurHcb);
|
| 1587 |
|
|
break;
|
| 1588 |
|
|
case 3:
|
| 1589 |
|
|
next = tul_state_3(pCurHcb);
|
| 1590 |
|
|
break;
|
| 1591 |
|
|
case 4:
|
| 1592 |
|
|
next = tul_state_4(pCurHcb);
|
| 1593 |
|
|
break;
|
| 1594 |
|
|
case 5:
|
| 1595 |
|
|
next = tul_state_5(pCurHcb);
|
| 1596 |
|
|
break;
|
| 1597 |
|
|
case 6:
|
| 1598 |
|
|
next = tul_state_6(pCurHcb);
|
| 1599 |
|
|
break;
|
| 1600 |
|
|
case 7:
|
| 1601 |
|
|
next = tul_state_7(pCurHcb);
|
| 1602 |
|
|
break;
|
| 1603 |
|
|
case 8:
|
| 1604 |
|
|
return (tul_bus_device_reset(pCurHcb));
|
| 1605 |
|
|
default:
|
| 1606 |
|
|
return (tul_bad_seq(pCurHcb));
|
| 1607 |
|
|
}
|
| 1608 |
|
|
if (next <= 0)
|
| 1609 |
|
|
return next;
|
| 1610 |
|
|
}
|
| 1611 |
|
|
}
|
| 1612 |
|
|
|
| 1613 |
|
|
|
| 1614 |
|
|
/***************************************************************************/
|
| 1615 |
|
|
/* sTate after selection with attention & stop */
|
| 1616 |
|
|
int tul_state_1(HCS * pCurHcb)
|
| 1617 |
|
|
{
|
| 1618 |
|
|
SCB *pCurScb = pCurHcb->HCS_ActScb;
|
| 1619 |
|
|
TCS *pCurTcb = pCurHcb->HCS_ActTcs;
|
| 1620 |
|
|
#if DEBUG_STATE
|
| 1621 |
|
|
printk("-s1-");
|
| 1622 |
|
|
#endif
|
| 1623 |
|
|
|
| 1624 |
|
|
tul_unlink_pend_scb(pCurHcb, pCurScb);
|
| 1625 |
|
|
tul_append_busy_scb(pCurHcb, pCurScb);
|
| 1626 |
|
|
|
| 1627 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0);
|
| 1628 |
|
|
/* ATN on */
|
| 1629 |
|
|
if (pCurHcb->HCS_Phase == MSG_OUT) {
|
| 1630 |
|
|
|
| 1631 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, (TSC_EN_BUS_IN | TSC_HW_RESELECT));
|
| 1632 |
|
|
|
| 1633 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident);
|
| 1634 |
|
|
|
| 1635 |
|
|
if (pCurScb->SCB_TagMsg) {
|
| 1636 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagMsg);
|
| 1637 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagId);
|
| 1638 |
|
|
}
|
| 1639 |
|
|
if ((pCurTcb->TCS_Flags & (TCF_WDTR_DONE | TCF_NO_WDTR)) == 0) {
|
| 1640 |
|
|
|
| 1641 |
|
|
pCurTcb->TCS_Flags |= TCF_WDTR_DONE;
|
| 1642 |
|
|
|
| 1643 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND);
|
| 1644 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 2); /* Extended msg length */
|
| 1645 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); /* Sync request */
|
| 1646 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); /* Start from 16 bits */
|
| 1647 |
|
|
} else if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) {
|
| 1648 |
|
|
|
| 1649 |
|
|
pCurTcb->TCS_Flags |= TCF_SYNC_DONE;
|
| 1650 |
|
|
|
| 1651 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND);
|
| 1652 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); /* extended msg length */
|
| 1653 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); /* sync request */
|
| 1654 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, tul_rate_tbl[pCurTcb->TCS_Flags & TCF_SCSI_RATE]);
|
| 1655 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MAX_OFFSET); /* REQ/ACK offset */
|
| 1656 |
|
|
}
|
| 1657 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 1658 |
|
|
if (wait_tulip(pCurHcb) == -1)
|
| 1659 |
|
|
return (-1);
|
| 1660 |
|
|
}
|
| 1661 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
|
| 1662 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, (TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)));
|
| 1663 |
|
|
return (3);
|
| 1664 |
|
|
}
|
| 1665 |
|
|
|
| 1666 |
|
|
|
| 1667 |
|
|
/***************************************************************************/
|
| 1668 |
|
|
/* state after selection with attention */
|
| 1669 |
|
|
/* state after selection with attention3 */
|
| 1670 |
|
|
int tul_state_2(HCS * pCurHcb)
|
| 1671 |
|
|
{
|
| 1672 |
|
|
SCB *pCurScb = pCurHcb->HCS_ActScb;
|
| 1673 |
|
|
TCS *pCurTcb = pCurHcb->HCS_ActTcs;
|
| 1674 |
|
|
#if DEBUG_STATE
|
| 1675 |
|
|
printk("-s2-");
|
| 1676 |
|
|
#endif
|
| 1677 |
|
|
|
| 1678 |
|
|
tul_unlink_pend_scb(pCurHcb, pCurScb);
|
| 1679 |
|
|
tul_append_busy_scb(pCurHcb, pCurScb);
|
| 1680 |
|
|
|
| 1681 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0);
|
| 1682 |
|
|
|
| 1683 |
|
|
if (pCurHcb->HCS_JSStatus1 & TSS_CMD_PH_CMP) {
|
| 1684 |
|
|
return (4);
|
| 1685 |
|
|
}
|
| 1686 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
|
| 1687 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, (TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)));
|
| 1688 |
|
|
return (3);
|
| 1689 |
|
|
}
|
| 1690 |
|
|
|
| 1691 |
|
|
/***************************************************************************/
|
| 1692 |
|
|
/* state before CDB xfer is done */
|
| 1693 |
|
|
int tul_state_3(HCS * pCurHcb)
|
| 1694 |
|
|
{
|
| 1695 |
|
|
SCB *pCurScb = pCurHcb->HCS_ActScb;
|
| 1696 |
|
|
TCS *pCurTcb = pCurHcb->HCS_ActTcs;
|
| 1697 |
|
|
int i;
|
| 1698 |
|
|
|
| 1699 |
|
|
#if DEBUG_STATE
|
| 1700 |
|
|
printk("-s3-");
|
| 1701 |
|
|
#endif
|
| 1702 |
|
|
for (;;) {
|
| 1703 |
|
|
switch (pCurHcb->HCS_Phase) {
|
| 1704 |
|
|
case CMD_OUT: /* Command out phase */
|
| 1705 |
|
|
for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++)
|
| 1706 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]);
|
| 1707 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 1708 |
|
|
if (wait_tulip(pCurHcb) == -1)
|
| 1709 |
|
|
return (-1);
|
| 1710 |
|
|
if (pCurHcb->HCS_Phase == CMD_OUT) {
|
| 1711 |
|
|
return (tul_bad_seq(pCurHcb));
|
| 1712 |
|
|
}
|
| 1713 |
|
|
return (4);
|
| 1714 |
|
|
|
| 1715 |
|
|
case MSG_IN: /* Message in phase */
|
| 1716 |
|
|
pCurScb->SCB_NxtStat = 3;
|
| 1717 |
|
|
if (tul_msgin(pCurHcb) == -1)
|
| 1718 |
|
|
return (-1);
|
| 1719 |
|
|
break;
|
| 1720 |
|
|
|
| 1721 |
|
|
case STATUS_IN: /* Status phase */
|
| 1722 |
|
|
if (tul_status_msg(pCurHcb) == -1)
|
| 1723 |
|
|
return (-1);
|
| 1724 |
|
|
break;
|
| 1725 |
|
|
|
| 1726 |
|
|
case MSG_OUT: /* Message out phase */
|
| 1727 |
|
|
if (pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) {
|
| 1728 |
|
|
|
| 1729 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); /* msg nop */
|
| 1730 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 1731 |
|
|
if (wait_tulip(pCurHcb) == -1)
|
| 1732 |
|
|
return (-1);
|
| 1733 |
|
|
|
| 1734 |
|
|
} else {
|
| 1735 |
|
|
pCurTcb->TCS_Flags |= TCF_SYNC_DONE;
|
| 1736 |
|
|
|
| 1737 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND);
|
| 1738 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3); /* ext. msg len */
|
| 1739 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1); /* sync request */
|
| 1740 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, tul_rate_tbl[pCurTcb->TCS_Flags & TCF_SCSI_RATE]);
|
| 1741 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MAX_OFFSET); /* REQ/ACK offset */
|
| 1742 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 1743 |
|
|
if (wait_tulip(pCurHcb) == -1)
|
| 1744 |
|
|
return (-1);
|
| 1745 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
|
| 1746 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7));
|
| 1747 |
|
|
|
| 1748 |
|
|
}
|
| 1749 |
|
|
break;
|
| 1750 |
|
|
|
| 1751 |
|
|
default:
|
| 1752 |
|
|
return (tul_bad_seq(pCurHcb));
|
| 1753 |
|
|
}
|
| 1754 |
|
|
}
|
| 1755 |
|
|
}
|
| 1756 |
|
|
|
| 1757 |
|
|
|
| 1758 |
|
|
/***************************************************************************/
|
| 1759 |
|
|
int tul_state_4(HCS * pCurHcb)
|
| 1760 |
|
|
{
|
| 1761 |
|
|
SCB *pCurScb = pCurHcb->HCS_ActScb;
|
| 1762 |
|
|
|
| 1763 |
|
|
#if DEBUG_STATE
|
| 1764 |
|
|
printk("-s4-");
|
| 1765 |
|
|
#endif
|
| 1766 |
|
|
if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_NO_XF) {
|
| 1767 |
|
|
return (6); /* Go to state 6 */
|
| 1768 |
|
|
}
|
| 1769 |
|
|
for (;;) {
|
| 1770 |
|
|
if (pCurScb->SCB_BufLen == 0)
|
| 1771 |
|
|
return (6); /* Go to state 6 */
|
| 1772 |
|
|
|
| 1773 |
|
|
switch (pCurHcb->HCS_Phase) {
|
| 1774 |
|
|
|
| 1775 |
|
|
case STATUS_IN: /* Status phase */
|
| 1776 |
|
|
if ((pCurScb->SCB_Flags & SCF_DIR) != 0) { /* if direction bit set then report data underrun */
|
| 1777 |
|
|
pCurScb->SCB_HaStat = HOST_DO_DU;
|
| 1778 |
|
|
}
|
| 1779 |
|
|
if ((tul_status_msg(pCurHcb)) == -1)
|
| 1780 |
|
|
return (-1);
|
| 1781 |
|
|
break;
|
| 1782 |
|
|
|
| 1783 |
|
|
case MSG_IN: /* Message in phase */
|
| 1784 |
|
|
pCurScb->SCB_NxtStat = 0x4;
|
| 1785 |
|
|
if (tul_msgin(pCurHcb) == -1)
|
| 1786 |
|
|
return (-1);
|
| 1787 |
|
|
break;
|
| 1788 |
|
|
|
| 1789 |
|
|
case MSG_OUT: /* Message out phase */
|
| 1790 |
|
|
if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) {
|
| 1791 |
|
|
pCurScb->SCB_BufLen = 0;
|
| 1792 |
|
|
pCurScb->SCB_HaStat = HOST_DO_DU;
|
| 1793 |
|
|
if (tul_msgout_ide(pCurHcb) == -1)
|
| 1794 |
|
|
return (-1);
|
| 1795 |
|
|
return (6); /* Go to state 6 */
|
| 1796 |
|
|
} else {
|
| 1797 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); /* msg nop */
|
| 1798 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 1799 |
|
|
if (wait_tulip(pCurHcb) == -1)
|
| 1800 |
|
|
return (-1);
|
| 1801 |
|
|
}
|
| 1802 |
|
|
break;
|
| 1803 |
|
|
|
| 1804 |
|
|
case DATA_IN: /* Data in phase */
|
| 1805 |
|
|
return (tul_xfer_data_in(pCurHcb));
|
| 1806 |
|
|
|
| 1807 |
|
|
case DATA_OUT: /* Data out phase */
|
| 1808 |
|
|
return (tul_xfer_data_out(pCurHcb));
|
| 1809 |
|
|
|
| 1810 |
|
|
default:
|
| 1811 |
|
|
return (tul_bad_seq(pCurHcb));
|
| 1812 |
|
|
}
|
| 1813 |
|
|
}
|
| 1814 |
|
|
}
|
| 1815 |
|
|
|
| 1816 |
|
|
|
| 1817 |
|
|
/***************************************************************************/
|
| 1818 |
|
|
/* state after dma xfer done or phase change before xfer done */
|
| 1819 |
|
|
int tul_state_5(HCS * pCurHcb)
|
| 1820 |
|
|
{
|
| 1821 |
|
|
SCB *pCurScb = pCurHcb->HCS_ActScb;
|
| 1822 |
|
|
long cnt, xcnt; /* cannot use unsigned !! code: if (xcnt < 0) */
|
| 1823 |
|
|
|
| 1824 |
|
|
#if DEBUG_STATE
|
| 1825 |
|
|
printk("-s5-");
|
| 1826 |
|
|
#endif
|
| 1827 |
|
|
/*------ get remaining count -------*/
|
| 1828 |
|
|
|
| 1829 |
|
|
cnt = TUL_RDLONG(pCurHcb->HCS_Base, TUL_SCnt0) & 0x0FFFFFF;
|
| 1830 |
|
|
|
| 1831 |
|
|
if (TUL_RD(pCurHcb->HCS_Base, TUL_XCmd) & 0x20) {
|
| 1832 |
|
|
/* ----------------------- DATA_IN ----------------------------- */
|
| 1833 |
|
|
/* check scsi parity error */
|
| 1834 |
|
|
if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) {
|
| 1835 |
|
|
pCurScb->SCB_HaStat = HOST_DO_DU;
|
| 1836 |
|
|
}
|
| 1837 |
|
|
if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) { /* DMA xfer pending, Send STOP */
|
| 1838 |
|
|
/* tell Hardware scsi xfer has been terminated */
|
| 1839 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_XCtrl, TUL_RD(pCurHcb->HCS_Base, TUL_XCtrl) | 0x80);
|
| 1840 |
|
|
/* wait until DMA xfer not pending */
|
| 1841 |
|
|
while (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND);
|
| 1842 |
|
|
}
|
| 1843 |
|
|
} else {
|
| 1844 |
|
|
/*-------- DATA OUT -----------*/
|
| 1845 |
|
|
if ((TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1) & TSS_XFER_CMP) == 0) {
|
| 1846 |
|
|
if (pCurHcb->HCS_ActTcs->TCS_JS_Period & TSC_WIDE_SCSI)
|
| 1847 |
|
|
cnt += (TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F) << 1;
|
| 1848 |
|
|
else
|
| 1849 |
|
|
cnt += (TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F);
|
| 1850 |
|
|
}
|
| 1851 |
|
|
if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & XPEND) { /* if DMA xfer is pending, abort DMA xfer */
|
| 1852 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT);
|
| 1853 |
|
|
/* wait Abort DMA xfer done */
|
| 1854 |
|
|
while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & XABT) == 0);
|
| 1855 |
|
|
}
|
| 1856 |
|
|
if ((cnt == 1) && (pCurHcb->HCS_Phase == DATA_OUT)) {
|
| 1857 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 1858 |
|
|
if (wait_tulip(pCurHcb) == -1) {
|
| 1859 |
|
|
return (-1);
|
| 1860 |
|
|
}
|
| 1861 |
|
|
cnt = 0;
|
| 1862 |
|
|
} else {
|
| 1863 |
|
|
if ((TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1) & TSS_XFER_CMP) == 0)
|
| 1864 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
|
| 1865 |
|
|
}
|
| 1866 |
|
|
}
|
| 1867 |
|
|
|
| 1868 |
|
|
if (cnt == 0) {
|
| 1869 |
|
|
pCurScb->SCB_BufLen = 0;
|
| 1870 |
|
|
return (6); /* Go to state 6 */
|
| 1871 |
|
|
}
|
| 1872 |
|
|
/* Update active data pointer */
|
| 1873 |
|
|
xcnt = (long) pCurScb->SCB_BufLen - cnt; /* xcnt== bytes already xferred */
|
| 1874 |
|
|
pCurScb->SCB_BufLen = (U32) cnt; /* cnt == bytes left to be xferred */
|
| 1875 |
|
|
if (pCurScb->SCB_Flags & SCF_SG) {
|
| 1876 |
|
|
register SG *sgp;
|
| 1877 |
|
|
ULONG i;
|
| 1878 |
|
|
|
| 1879 |
|
|
sgp = &pCurScb->SCB_SGList[pCurScb->SCB_SGIdx];
|
| 1880 |
|
|
for (i = pCurScb->SCB_SGIdx; i < pCurScb->SCB_SGMax; sgp++, i++) {
|
| 1881 |
|
|
xcnt -= (long) sgp->SG_Len;
|
| 1882 |
|
|
if (xcnt < 0) { /* this sgp xfer half done */
|
| 1883 |
|
|
xcnt += (long) sgp->SG_Len; /* xcnt == bytes xferred in this sgp */
|
| 1884 |
|
|
sgp->SG_Ptr += (U32) xcnt; /* new ptr to be xfer */
|
| 1885 |
|
|
sgp->SG_Len -= (U32) xcnt; /* new len to be xfer */
|
| 1886 |
|
|
pCurScb->SCB_BufPtr += ((U32) (i - pCurScb->SCB_SGIdx) << 3);
|
| 1887 |
|
|
/* new SG table ptr */
|
| 1888 |
|
|
pCurScb->SCB_SGLen = (BYTE) (pCurScb->SCB_SGMax - i);
|
| 1889 |
|
|
/* new SG table len */
|
| 1890 |
|
|
pCurScb->SCB_SGIdx = (WORD) i;
|
| 1891 |
|
|
/* for next disc and come in this loop */
|
| 1892 |
|
|
return (4); /* Go to state 4 */
|
| 1893 |
|
|
}
|
| 1894 |
|
|
/* else (xcnt >= 0 , i.e. this sgp already xferred */
|
| 1895 |
|
|
} /* for */
|
| 1896 |
|
|
return (6); /* Go to state 6 */
|
| 1897 |
|
|
} else {
|
| 1898 |
|
|
pCurScb->SCB_BufPtr += (U32) xcnt;
|
| 1899 |
|
|
}
|
| 1900 |
|
|
return (4); /* Go to state 4 */
|
| 1901 |
|
|
}
|
| 1902 |
|
|
|
| 1903 |
|
|
/***************************************************************************/
|
| 1904 |
|
|
/* state after Data phase */
|
| 1905 |
|
|
int tul_state_6(HCS * pCurHcb)
|
| 1906 |
|
|
{
|
| 1907 |
|
|
SCB *pCurScb = pCurHcb->HCS_ActScb;
|
| 1908 |
|
|
|
| 1909 |
|
|
#if DEBUG_STATE
|
| 1910 |
|
|
printk("-s6-");
|
| 1911 |
|
|
#endif
|
| 1912 |
|
|
for (;;) {
|
| 1913 |
|
|
switch (pCurHcb->HCS_Phase) {
|
| 1914 |
|
|
case STATUS_IN: /* Status phase */
|
| 1915 |
|
|
if ((tul_status_msg(pCurHcb)) == -1)
|
| 1916 |
|
|
return (-1);
|
| 1917 |
|
|
break;
|
| 1918 |
|
|
|
| 1919 |
|
|
case MSG_IN: /* Message in phase */
|
| 1920 |
|
|
pCurScb->SCB_NxtStat = 6;
|
| 1921 |
|
|
if ((tul_msgin(pCurHcb)) == -1)
|
| 1922 |
|
|
return (-1);
|
| 1923 |
|
|
break;
|
| 1924 |
|
|
|
| 1925 |
|
|
case MSG_OUT: /* Message out phase */
|
| 1926 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP); /* msg nop */
|
| 1927 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 1928 |
|
|
if (wait_tulip(pCurHcb) == -1)
|
| 1929 |
|
|
return (-1);
|
| 1930 |
|
|
break;
|
| 1931 |
|
|
|
| 1932 |
|
|
case DATA_IN: /* Data in phase */
|
| 1933 |
|
|
return (tul_xpad_in(pCurHcb));
|
| 1934 |
|
|
|
| 1935 |
|
|
case DATA_OUT: /* Data out phase */
|
| 1936 |
|
|
return (tul_xpad_out(pCurHcb));
|
| 1937 |
|
|
|
| 1938 |
|
|
default:
|
| 1939 |
|
|
return (tul_bad_seq(pCurHcb));
|
| 1940 |
|
|
}
|
| 1941 |
|
|
}
|
| 1942 |
|
|
}
|
| 1943 |
|
|
|
| 1944 |
|
|
/***************************************************************************/
|
| 1945 |
|
|
int tul_state_7(HCS * pCurHcb)
|
| 1946 |
|
|
{
|
| 1947 |
|
|
int cnt, i;
|
| 1948 |
|
|
|
| 1949 |
|
|
#if DEBUG_STATE
|
| 1950 |
|
|
printk("-s7-");
|
| 1951 |
|
|
#endif
|
| 1952 |
|
|
/* flush SCSI FIFO */
|
| 1953 |
|
|
cnt = TUL_RD(pCurHcb->HCS_Base, TUL_SFifoCnt) & 0x1F;
|
| 1954 |
|
|
if (cnt) {
|
| 1955 |
|
|
for (i = 0; i < cnt; i++)
|
| 1956 |
|
|
TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);
|
| 1957 |
|
|
}
|
| 1958 |
|
|
switch (pCurHcb->HCS_Phase) {
|
| 1959 |
|
|
case DATA_IN: /* Data in phase */
|
| 1960 |
|
|
case DATA_OUT: /* Data out phase */
|
| 1961 |
|
|
return (tul_bad_seq(pCurHcb));
|
| 1962 |
|
|
default:
|
| 1963 |
|
|
return (6); /* Go to state 6 */
|
| 1964 |
|
|
}
|
| 1965 |
|
|
}
|
| 1966 |
|
|
|
| 1967 |
|
|
/***************************************************************************/
|
| 1968 |
|
|
int tul_xfer_data_in(HCS * pCurHcb)
|
| 1969 |
|
|
{
|
| 1970 |
|
|
SCB *pCurScb = pCurHcb->HCS_ActScb;
|
| 1971 |
|
|
|
| 1972 |
|
|
if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_DOUT) {
|
| 1973 |
|
|
return (6); /* wrong direction */
|
| 1974 |
|
|
}
|
| 1975 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, pCurScb->SCB_BufLen);
|
| 1976 |
|
|
|
| 1977 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_DMA_IN); /* 7/25/95 */
|
| 1978 |
|
|
|
| 1979 |
|
|
if (pCurScb->SCB_Flags & SCF_SG) { /* S/G xfer */
|
| 1980 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, ((ULONG) pCurScb->SCB_SGLen) << 3);
|
| 1981 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr);
|
| 1982 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_SG_IN);
|
| 1983 |
|
|
} else {
|
| 1984 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, pCurScb->SCB_BufLen);
|
| 1985 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr);
|
| 1986 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_IN);
|
| 1987 |
|
|
}
|
| 1988 |
|
|
pCurScb->SCB_NxtStat = 0x5;
|
| 1989 |
|
|
return (0); /* return to OS, wait xfer done , let jas_isr come in */
|
| 1990 |
|
|
}
|
| 1991 |
|
|
|
| 1992 |
|
|
|
| 1993 |
|
|
/***************************************************************************/
|
| 1994 |
|
|
int tul_xfer_data_out(HCS * pCurHcb)
|
| 1995 |
|
|
{
|
| 1996 |
|
|
SCB *pCurScb = pCurHcb->HCS_ActScb;
|
| 1997 |
|
|
|
| 1998 |
|
|
if ((pCurScb->SCB_Flags & SCF_DIR) == SCF_DIN) {
|
| 1999 |
|
|
return (6); /* wrong direction */
|
| 2000 |
|
|
}
|
| 2001 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, pCurScb->SCB_BufLen);
|
| 2002 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_DMA_OUT);
|
| 2003 |
|
|
|
| 2004 |
|
|
if (pCurScb->SCB_Flags & SCF_SG) { /* S/G xfer */
|
| 2005 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, ((ULONG) pCurScb->SCB_SGLen) << 3);
|
| 2006 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr);
|
| 2007 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_SG_OUT);
|
| 2008 |
|
|
} else {
|
| 2009 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_XCntH, pCurScb->SCB_BufLen);
|
| 2010 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_XAddH, pCurScb->SCB_BufPtr);
|
| 2011 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_OUT);
|
| 2012 |
|
|
}
|
| 2013 |
|
|
|
| 2014 |
|
|
pCurScb->SCB_NxtStat = 0x5;
|
| 2015 |
|
|
return (0); /* return to OS, wait xfer done , let jas_isr come in */
|
| 2016 |
|
|
}
|
| 2017 |
|
|
|
| 2018 |
|
|
|
| 2019 |
|
|
/***************************************************************************/
|
| 2020 |
|
|
int tul_xpad_in(HCS * pCurHcb)
|
| 2021 |
|
|
{
|
| 2022 |
|
|
SCB *pCurScb = pCurHcb->HCS_ActScb;
|
| 2023 |
|
|
TCS *pCurTcb = pCurHcb->HCS_ActTcs;
|
| 2024 |
|
|
|
| 2025 |
|
|
if ((pCurScb->SCB_Flags & SCF_DIR) != SCF_NO_DCHK) {
|
| 2026 |
|
|
pCurScb->SCB_HaStat = HOST_DO_DU; /* over run */
|
| 2027 |
|
|
}
|
| 2028 |
|
|
for (;;) {
|
| 2029 |
|
|
if (pCurTcb->TCS_JS_Period & TSC_WIDE_SCSI)
|
| 2030 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 2);
|
| 2031 |
|
|
else
|
| 2032 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1);
|
| 2033 |
|
|
|
| 2034 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN);
|
| 2035 |
|
|
if ((wait_tulip(pCurHcb)) == -1) {
|
| 2036 |
|
|
return (-1);
|
| 2037 |
|
|
}
|
| 2038 |
|
|
if (pCurHcb->HCS_Phase != DATA_IN) {
|
| 2039 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
|
| 2040 |
|
|
return (6);
|
| 2041 |
|
|
}
|
| 2042 |
|
|
TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);
|
| 2043 |
|
|
}
|
| 2044 |
|
|
}
|
| 2045 |
|
|
|
| 2046 |
|
|
int tul_xpad_out(HCS * pCurHcb)
|
| 2047 |
|
|
{
|
| 2048 |
|
|
SCB *pCurScb = pCurHcb->HCS_ActScb;
|
| 2049 |
|
|
TCS *pCurTcb = pCurHcb->HCS_ActTcs;
|
| 2050 |
|
|
|
| 2051 |
|
|
if ((pCurScb->SCB_Flags & SCF_DIR) != SCF_NO_DCHK) {
|
| 2052 |
|
|
pCurScb->SCB_HaStat = HOST_DO_DU; /* over run */
|
| 2053 |
|
|
}
|
| 2054 |
|
|
for (;;) {
|
| 2055 |
|
|
if (pCurTcb->TCS_JS_Period & TSC_WIDE_SCSI)
|
| 2056 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 2);
|
| 2057 |
|
|
else
|
| 2058 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1);
|
| 2059 |
|
|
|
| 2060 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 0);
|
| 2061 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 2062 |
|
|
if ((wait_tulip(pCurHcb)) == -1) {
|
| 2063 |
|
|
return (-1);
|
| 2064 |
|
|
}
|
| 2065 |
|
|
if (pCurHcb->HCS_Phase != DATA_OUT) { /* Disable wide CPU to allow read 16 bits */
|
| 2066 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT);
|
| 2067 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
|
| 2068 |
|
|
return (6);
|
| 2069 |
|
|
}
|
| 2070 |
|
|
}
|
| 2071 |
|
|
}
|
| 2072 |
|
|
|
| 2073 |
|
|
|
| 2074 |
|
|
/***************************************************************************/
|
| 2075 |
|
|
int tul_status_msg(HCS * pCurHcb)
|
| 2076 |
|
|
{ /* status & MSG_IN */
|
| 2077 |
|
|
SCB *pCurScb = pCurHcb->HCS_ActScb;
|
| 2078 |
|
|
BYTE msg;
|
| 2079 |
|
|
|
| 2080 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_CMD_COMP);
|
| 2081 |
|
|
if ((wait_tulip(pCurHcb)) == -1) {
|
| 2082 |
|
|
return (-1);
|
| 2083 |
|
|
}
|
| 2084 |
|
|
/* get status */
|
| 2085 |
|
|
pCurScb->SCB_TaStat = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);
|
| 2086 |
|
|
|
| 2087 |
|
|
if (pCurHcb->HCS_Phase == MSG_OUT) {
|
| 2088 |
|
|
if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) {
|
| 2089 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_PARITY);
|
| 2090 |
|
|
} else {
|
| 2091 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_NOP);
|
| 2092 |
|
|
}
|
| 2093 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 2094 |
|
|
return (wait_tulip(pCurHcb));
|
| 2095 |
|
|
}
|
| 2096 |
|
|
if (pCurHcb->HCS_Phase == MSG_IN) {
|
| 2097 |
|
|
msg = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);
|
| 2098 |
|
|
if (pCurHcb->HCS_JSStatus0 & TSS_PAR_ERROR) { /* Parity error */
|
| 2099 |
|
|
if ((tul_msgin_accept(pCurHcb)) == -1)
|
| 2100 |
|
|
return (-1);
|
| 2101 |
|
|
if (pCurHcb->HCS_Phase != MSG_OUT)
|
| 2102 |
|
|
return (tul_bad_seq(pCurHcb));
|
| 2103 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_PARITY);
|
| 2104 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 2105 |
|
|
return (wait_tulip(pCurHcb));
|
| 2106 |
|
|
}
|
| 2107 |
|
|
if (msg == 0) { /* Command complete */
|
| 2108 |
|
|
|
| 2109 |
|
|
if ((pCurScb->SCB_TaStat & 0x18) == 0x10) { /* No link support */
|
| 2110 |
|
|
return (tul_bad_seq(pCurHcb));
|
| 2111 |
|
|
}
|
| 2112 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
|
| 2113 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT);
|
| 2114 |
|
|
return tul_wait_done_disc(pCurHcb);
|
| 2115 |
|
|
|
| 2116 |
|
|
}
|
| 2117 |
|
|
if ((msg == MSG_LINK_COMP) || (msg == MSG_LINK_FLAG)) {
|
| 2118 |
|
|
if ((pCurScb->SCB_TaStat & 0x18) == 0x10)
|
| 2119 |
|
|
return (tul_msgin_accept(pCurHcb));
|
| 2120 |
|
|
}
|
| 2121 |
|
|
}
|
| 2122 |
|
|
return (tul_bad_seq(pCurHcb));
|
| 2123 |
|
|
}
|
| 2124 |
|
|
|
| 2125 |
|
|
|
| 2126 |
|
|
/***************************************************************************/
|
| 2127 |
|
|
/* scsi bus free */
|
| 2128 |
|
|
int int_tul_busfree(HCS * pCurHcb)
|
| 2129 |
|
|
{
|
| 2130 |
|
|
SCB *pCurScb = pCurHcb->HCS_ActScb;
|
| 2131 |
|
|
|
| 2132 |
|
|
if (pCurScb != NULL) {
|
| 2133 |
|
|
if (pCurScb->SCB_Status & SCB_SELECT) { /* selection timeout */
|
| 2134 |
|
|
tul_unlink_pend_scb(pCurHcb, pCurScb);
|
| 2135 |
|
|
pCurScb->SCB_HaStat = HOST_SEL_TOUT;
|
| 2136 |
|
|
tul_append_done_scb(pCurHcb, pCurScb);
|
| 2137 |
|
|
} else { /* Unexpected bus free */
|
| 2138 |
|
|
tul_unlink_busy_scb(pCurHcb, pCurScb);
|
| 2139 |
|
|
pCurScb->SCB_HaStat = HOST_BUS_FREE;
|
| 2140 |
|
|
tul_append_done_scb(pCurHcb, pCurScb);
|
| 2141 |
|
|
}
|
| 2142 |
|
|
pCurHcb->HCS_ActScb = NULL;
|
| 2143 |
|
|
pCurHcb->HCS_ActTcs = NULL;
|
| 2144 |
|
|
}
|
| 2145 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */
|
| 2146 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT);
|
| 2147 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */
|
| 2148 |
|
|
return (-1);
|
| 2149 |
|
|
}
|
| 2150 |
|
|
|
| 2151 |
|
|
|
| 2152 |
|
|
/***************************************************************************/
|
| 2153 |
|
|
/* scsi bus reset */
|
| 2154 |
|
|
int int_tul_scsi_rst(HCS * pCurHcb)
|
| 2155 |
|
|
{
|
| 2156 |
|
|
SCB *pCurScb;
|
| 2157 |
|
|
int i;
|
| 2158 |
|
|
|
| 2159 |
|
|
/* if DMA xfer is pending, abort DMA xfer */
|
| 2160 |
|
|
if (TUL_RD(pCurHcb->HCS_Base, TUL_XStatus) & 0x01) {
|
| 2161 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_XCmd, TAX_X_ABT | TAX_X_CLR_FIFO);
|
| 2162 |
|
|
/* wait Abort DMA xfer done */
|
| 2163 |
|
|
while ((TUL_RD(pCurHcb->HCS_Base, TUL_Int) & 0x04) == 0);
|
| 2164 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
|
| 2165 |
|
|
}
|
| 2166 |
|
|
/* Abort all active & disconnected scb */
|
| 2167 |
|
|
while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) {
|
| 2168 |
|
|
pCurScb->SCB_HaStat = HOST_BAD_PHAS;
|
| 2169 |
|
|
tul_append_done_scb(pCurHcb, pCurScb);
|
| 2170 |
|
|
}
|
| 2171 |
|
|
pCurHcb->HCS_ActScb = NULL;
|
| 2172 |
|
|
pCurHcb->HCS_ActTcs = NULL;
|
| 2173 |
|
|
|
| 2174 |
|
|
/* clr sync nego. done flag */
|
| 2175 |
|
|
for (i = 0; i < pCurHcb->HCS_MaxTar; i++) {
|
| 2176 |
|
|
pCurHcb->HCS_Tcs[i].TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE);
|
| 2177 |
|
|
}
|
| 2178 |
|
|
return (-1);
|
| 2179 |
|
|
}
|
| 2180 |
|
|
|
| 2181 |
|
|
|
| 2182 |
|
|
/***************************************************************************/
|
| 2183 |
|
|
/* scsi reselection */
|
| 2184 |
|
|
int int_tul_resel(HCS * pCurHcb)
|
| 2185 |
|
|
{
|
| 2186 |
|
|
SCB *pCurScb;
|
| 2187 |
|
|
TCS *pCurTcb;
|
| 2188 |
|
|
BYTE tag, msg = 0;
|
| 2189 |
|
|
BYTE tar, lun;
|
| 2190 |
|
|
|
| 2191 |
|
|
if ((pCurScb = pCurHcb->HCS_ActScb) != NULL) {
|
| 2192 |
|
|
if (pCurScb->SCB_Status & SCB_SELECT) { /* if waiting for selection complete */
|
| 2193 |
|
|
pCurScb->SCB_Status &= ~SCB_SELECT;
|
| 2194 |
|
|
}
|
| 2195 |
|
|
pCurHcb->HCS_ActScb = NULL;
|
| 2196 |
|
|
}
|
| 2197 |
|
|
/* --------- get target id---------------------- */
|
| 2198 |
|
|
tar = TUL_RD(pCurHcb->HCS_Base, TUL_SBusId);
|
| 2199 |
|
|
/* ------ get LUN from Identify message----------- */
|
| 2200 |
|
|
lun = TUL_RD(pCurHcb->HCS_Base, TUL_SIdent) & 0x0F;
|
| 2201 |
|
|
/* 07/22/98 from 0x1F -> 0x0F */
|
| 2202 |
|
|
pCurTcb = &pCurHcb->HCS_Tcs[tar];
|
| 2203 |
|
|
pCurHcb->HCS_ActTcs = pCurTcb;
|
| 2204 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurTcb->TCS_SConfig0);
|
| 2205 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurTcb->TCS_JS_Period);
|
| 2206 |
|
|
|
| 2207 |
|
|
|
| 2208 |
|
|
/* ------------- tag queueing ? ------------------- */
|
| 2209 |
|
|
if (pCurTcb->TCS_DrvFlags & TCF_DRV_EN_TAG) {
|
| 2210 |
|
|
if ((tul_msgin_accept(pCurHcb)) == -1)
|
| 2211 |
|
|
return (-1);
|
| 2212 |
|
|
if (pCurHcb->HCS_Phase != MSG_IN)
|
| 2213 |
|
|
goto no_tag;
|
| 2214 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1);
|
| 2215 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN);
|
| 2216 |
|
|
if ((wait_tulip(pCurHcb)) == -1)
|
| 2217 |
|
|
return (-1);
|
| 2218 |
|
|
msg = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* Read Tag Message */
|
| 2219 |
|
|
|
| 2220 |
|
|
if ((msg < MSG_STAG) || (msg > MSG_OTAG)) /* Is simple Tag */
|
| 2221 |
|
|
goto no_tag;
|
| 2222 |
|
|
|
| 2223 |
|
|
if ((tul_msgin_accept(pCurHcb)) == -1)
|
| 2224 |
|
|
return (-1);
|
| 2225 |
|
|
|
| 2226 |
|
|
if (pCurHcb->HCS_Phase != MSG_IN)
|
| 2227 |
|
|
goto no_tag;
|
| 2228 |
|
|
|
| 2229 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1);
|
| 2230 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN);
|
| 2231 |
|
|
if ((wait_tulip(pCurHcb)) == -1)
|
| 2232 |
|
|
return (-1);
|
| 2233 |
|
|
tag = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* Read Tag ID */
|
| 2234 |
|
|
pCurScb = pCurHcb->HCS_Scb + tag;
|
| 2235 |
|
|
if ((pCurScb->SCB_Target != tar) || (pCurScb->SCB_Lun != lun)) {
|
| 2236 |
|
|
return tul_msgout_abort_tag(pCurHcb);
|
| 2237 |
|
|
}
|
| 2238 |
|
|
if (pCurScb->SCB_Status != SCB_BUSY) { /* 03/24/95 */
|
| 2239 |
|
|
return tul_msgout_abort_tag(pCurHcb);
|
| 2240 |
|
|
}
|
| 2241 |
|
|
pCurHcb->HCS_ActScb = pCurScb;
|
| 2242 |
|
|
if ((tul_msgin_accept(pCurHcb)) == -1)
|
| 2243 |
|
|
return (-1);
|
| 2244 |
|
|
} else { /* No tag */
|
| 2245 |
|
|
no_tag:
|
| 2246 |
|
|
if ((pCurScb = tul_find_busy_scb(pCurHcb, tar | (lun << 8))) == NULL) {
|
| 2247 |
|
|
return tul_msgout_abort_targ(pCurHcb);
|
| 2248 |
|
|
}
|
| 2249 |
|
|
pCurHcb->HCS_ActScb = pCurScb;
|
| 2250 |
|
|
if (!(pCurTcb->TCS_DrvFlags & TCF_DRV_EN_TAG)) {
|
| 2251 |
|
|
if ((tul_msgin_accept(pCurHcb)) == -1)
|
| 2252 |
|
|
return (-1);
|
| 2253 |
|
|
}
|
| 2254 |
|
|
}
|
| 2255 |
|
|
return 0;
|
| 2256 |
|
|
}
|
| 2257 |
|
|
|
| 2258 |
|
|
|
| 2259 |
|
|
/***************************************************************************/
|
| 2260 |
|
|
int int_tul_bad_seq(HCS * pCurHcb)
|
| 2261 |
|
|
{ /* target wrong phase */
|
| 2262 |
|
|
SCB *pCurScb;
|
| 2263 |
|
|
int i;
|
| 2264 |
|
|
|
| 2265 |
|
|
tul_reset_scsi(pCurHcb, 10);
|
| 2266 |
|
|
|
| 2267 |
|
|
while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) {
|
| 2268 |
|
|
pCurScb->SCB_HaStat = HOST_BAD_PHAS;
|
| 2269 |
|
|
tul_append_done_scb(pCurHcb, pCurScb);
|
| 2270 |
|
|
}
|
| 2271 |
|
|
for (i = 0; i < pCurHcb->HCS_MaxTar; i++) {
|
| 2272 |
|
|
pCurHcb->HCS_Tcs[i].TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE);;
|
| 2273 |
|
|
}
|
| 2274 |
|
|
return (-1);
|
| 2275 |
|
|
}
|
| 2276 |
|
|
|
| 2277 |
|
|
|
| 2278 |
|
|
/***************************************************************************/
|
| 2279 |
|
|
int tul_msgout_abort_targ(HCS * pCurHcb)
|
| 2280 |
|
|
{
|
| 2281 |
|
|
|
| 2282 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN));
|
| 2283 |
|
|
if (tul_msgin_accept(pCurHcb) == -1)
|
| 2284 |
|
|
return (-1);
|
| 2285 |
|
|
if (pCurHcb->HCS_Phase != MSG_OUT)
|
| 2286 |
|
|
return (tul_bad_seq(pCurHcb));
|
| 2287 |
|
|
|
| 2288 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_ABORT);
|
| 2289 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 2290 |
|
|
|
| 2291 |
|
|
return tul_wait_disc(pCurHcb);
|
| 2292 |
|
|
}
|
| 2293 |
|
|
|
| 2294 |
|
|
/***************************************************************************/
|
| 2295 |
|
|
int tul_msgout_abort_tag(HCS * pCurHcb)
|
| 2296 |
|
|
{
|
| 2297 |
|
|
|
| 2298 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN));
|
| 2299 |
|
|
if (tul_msgin_accept(pCurHcb) == -1)
|
| 2300 |
|
|
return (-1);
|
| 2301 |
|
|
if (pCurHcb->HCS_Phase != MSG_OUT)
|
| 2302 |
|
|
return (tul_bad_seq(pCurHcb));
|
| 2303 |
|
|
|
| 2304 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_ABORT_TAG);
|
| 2305 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 2306 |
|
|
|
| 2307 |
|
|
return tul_wait_disc(pCurHcb);
|
| 2308 |
|
|
|
| 2309 |
|
|
}
|
| 2310 |
|
|
|
| 2311 |
|
|
/***************************************************************************/
|
| 2312 |
|
|
int tul_msgin(HCS * pCurHcb)
|
| 2313 |
|
|
{
|
| 2314 |
|
|
TCS *pCurTcb;
|
| 2315 |
|
|
|
| 2316 |
|
|
for (;;) {
|
| 2317 |
|
|
|
| 2318 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
|
| 2319 |
|
|
|
| 2320 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1);
|
| 2321 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN);
|
| 2322 |
|
|
if ((wait_tulip(pCurHcb)) == -1)
|
| 2323 |
|
|
return (-1);
|
| 2324 |
|
|
|
| 2325 |
|
|
switch (TUL_RD(pCurHcb->HCS_Base, TUL_SFifo)) {
|
| 2326 |
|
|
case MSG_DISC: /* Disconnect msg */
|
| 2327 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT);
|
| 2328 |
|
|
|
| 2329 |
|
|
return tul_wait_disc(pCurHcb);
|
| 2330 |
|
|
|
| 2331 |
|
|
case MSG_SDP:
|
| 2332 |
|
|
case MSG_RESTORE:
|
| 2333 |
|
|
case MSG_NOP:
|
| 2334 |
|
|
tul_msgin_accept(pCurHcb);
|
| 2335 |
|
|
break;
|
| 2336 |
|
|
|
| 2337 |
|
|
case MSG_REJ: /* Clear ATN first */
|
| 2338 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SSignal,
|
| 2339 |
|
|
(TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)));
|
| 2340 |
|
|
pCurTcb = pCurHcb->HCS_ActTcs;
|
| 2341 |
|
|
if ((pCurTcb->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0) { /* do sync nego */
|
| 2342 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN));
|
| 2343 |
|
|
}
|
| 2344 |
|
|
tul_msgin_accept(pCurHcb);
|
| 2345 |
|
|
break;
|
| 2346 |
|
|
|
| 2347 |
|
|
case MSG_EXTEND: /* extended msg */
|
| 2348 |
|
|
tul_msgin_extend(pCurHcb);
|
| 2349 |
|
|
break;
|
| 2350 |
|
|
|
| 2351 |
|
|
case MSG_IGNOREWIDE:
|
| 2352 |
|
|
tul_msgin_accept(pCurHcb);
|
| 2353 |
|
|
break;
|
| 2354 |
|
|
|
| 2355 |
|
|
/* get */
|
| 2356 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN);
|
| 2357 |
|
|
if (wait_tulip(pCurHcb) == -1)
|
| 2358 |
|
|
return -1;
|
| 2359 |
|
|
|
| 2360 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 0); /* put pad */
|
| 2361 |
|
|
TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* get IGNORE field */
|
| 2362 |
|
|
TUL_RD(pCurHcb->HCS_Base, TUL_SFifo); /* get pad */
|
| 2363 |
|
|
|
| 2364 |
|
|
tul_msgin_accept(pCurHcb);
|
| 2365 |
|
|
break;
|
| 2366 |
|
|
|
| 2367 |
|
|
case MSG_COMP:
|
| 2368 |
|
|
{
|
| 2369 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
|
| 2370 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT);
|
| 2371 |
|
|
return tul_wait_done_disc(pCurHcb);
|
| 2372 |
|
|
}
|
| 2373 |
|
|
default:
|
| 2374 |
|
|
tul_msgout_reject(pCurHcb);
|
| 2375 |
|
|
break;
|
| 2376 |
|
|
}
|
| 2377 |
|
|
if (pCurHcb->HCS_Phase != MSG_IN)
|
| 2378 |
|
|
return (pCurHcb->HCS_Phase);
|
| 2379 |
|
|
}
|
| 2380 |
|
|
/* statement won't reach here */
|
| 2381 |
|
|
}
|
| 2382 |
|
|
|
| 2383 |
|
|
|
| 2384 |
|
|
|
| 2385 |
|
|
|
| 2386 |
|
|
/***************************************************************************/
|
| 2387 |
|
|
int tul_msgout_reject(HCS * pCurHcb)
|
| 2388 |
|
|
{
|
| 2389 |
|
|
|
| 2390 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN));
|
| 2391 |
|
|
|
| 2392 |
|
|
if ((tul_msgin_accept(pCurHcb)) == -1)
|
| 2393 |
|
|
return (-1);
|
| 2394 |
|
|
|
| 2395 |
|
|
if (pCurHcb->HCS_Phase == MSG_OUT) {
|
| 2396 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_REJ); /* Msg reject */
|
| 2397 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 2398 |
|
|
return (wait_tulip(pCurHcb));
|
| 2399 |
|
|
}
|
| 2400 |
|
|
return (pCurHcb->HCS_Phase);
|
| 2401 |
|
|
}
|
| 2402 |
|
|
|
| 2403 |
|
|
|
| 2404 |
|
|
|
| 2405 |
|
|
/***************************************************************************/
|
| 2406 |
|
|
int tul_msgout_ide(HCS * pCurHcb)
|
| 2407 |
|
|
{
|
| 2408 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_IDE); /* Initiator Detected Error */
|
| 2409 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 2410 |
|
|
return (wait_tulip(pCurHcb));
|
| 2411 |
|
|
}
|
| 2412 |
|
|
|
| 2413 |
|
|
|
| 2414 |
|
|
/***************************************************************************/
|
| 2415 |
|
|
int tul_msgin_extend(HCS * pCurHcb)
|
| 2416 |
|
|
{
|
| 2417 |
|
|
BYTE len, idx;
|
| 2418 |
|
|
|
| 2419 |
|
|
if (tul_msgin_accept(pCurHcb) != MSG_IN)
|
| 2420 |
|
|
return (pCurHcb->HCS_Phase);
|
| 2421 |
|
|
|
| 2422 |
|
|
/* Get extended msg length */
|
| 2423 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1);
|
| 2424 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN);
|
| 2425 |
|
|
if (wait_tulip(pCurHcb) == -1)
|
| 2426 |
|
|
return (-1);
|
| 2427 |
|
|
|
| 2428 |
|
|
len = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);
|
| 2429 |
|
|
pCurHcb->HCS_Msg[0] = len;
|
| 2430 |
|
|
for (idx = 1; len != 0; len--) {
|
| 2431 |
|
|
|
| 2432 |
|
|
if ((tul_msgin_accept(pCurHcb)) != MSG_IN)
|
| 2433 |
|
|
return (pCurHcb->HCS_Phase);
|
| 2434 |
|
|
TUL_WRLONG(pCurHcb->HCS_Base + TUL_SCnt0, 1);
|
| 2435 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_IN);
|
| 2436 |
|
|
if (wait_tulip(pCurHcb) == -1)
|
| 2437 |
|
|
return (-1);
|
| 2438 |
|
|
pCurHcb->HCS_Msg[idx++] = TUL_RD(pCurHcb->HCS_Base, TUL_SFifo);
|
| 2439 |
|
|
}
|
| 2440 |
|
|
if (pCurHcb->HCS_Msg[1] == 1) { /* if it's synchronous data transfer request */
|
| 2441 |
|
|
if (pCurHcb->HCS_Msg[0] != 3) /* if length is not right */
|
| 2442 |
|
|
return (tul_msgout_reject(pCurHcb));
|
| 2443 |
|
|
if (pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_SYNC_NEGO) { /* Set OFFSET=0 to do async, nego back */
|
| 2444 |
|
|
pCurHcb->HCS_Msg[3] = 0;
|
| 2445 |
|
|
} else {
|
| 2446 |
|
|
if ((tul_msgin_sync(pCurHcb) == 0) &&
|
| 2447 |
|
|
(pCurHcb->HCS_ActTcs->TCS_Flags & TCF_SYNC_DONE)) {
|
| 2448 |
|
|
tul_sync_done(pCurHcb);
|
| 2449 |
|
|
return (tul_msgin_accept(pCurHcb));
|
| 2450 |
|
|
}
|
| 2451 |
|
|
}
|
| 2452 |
|
|
|
| 2453 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN));
|
| 2454 |
|
|
if ((tul_msgin_accept(pCurHcb)) != MSG_OUT)
|
| 2455 |
|
|
return (pCurHcb->HCS_Phase);
|
| 2456 |
|
|
/* sync msg out */
|
| 2457 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO);
|
| 2458 |
|
|
|
| 2459 |
|
|
tul_sync_done(pCurHcb);
|
| 2460 |
|
|
|
| 2461 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND);
|
| 2462 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3);
|
| 2463 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 1);
|
| 2464 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[2]);
|
| 2465 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[3]);
|
| 2466 |
|
|
|
| 2467 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 2468 |
|
|
return (wait_tulip(pCurHcb));
|
| 2469 |
|
|
}
|
| 2470 |
|
|
if ((pCurHcb->HCS_Msg[0] != 2) || (pCurHcb->HCS_Msg[1] != 3))
|
| 2471 |
|
|
return (tul_msgout_reject(pCurHcb));
|
| 2472 |
|
|
/* if it's WIDE DATA XFER REQ */
|
| 2473 |
|
|
if (pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_WDTR) {
|
| 2474 |
|
|
pCurHcb->HCS_Msg[2] = 0;
|
| 2475 |
|
|
} else {
|
| 2476 |
|
|
if (pCurHcb->HCS_Msg[2] > 2) /* > 32 bits */
|
| 2477 |
|
|
return (tul_msgout_reject(pCurHcb));
|
| 2478 |
|
|
if (pCurHcb->HCS_Msg[2] == 2) { /* == 32 */
|
| 2479 |
|
|
pCurHcb->HCS_Msg[2] = 1;
|
| 2480 |
|
|
} else {
|
| 2481 |
|
|
if ((pCurHcb->HCS_ActTcs->TCS_Flags & TCF_NO_WDTR) == 0) {
|
| 2482 |
|
|
wdtr_done(pCurHcb);
|
| 2483 |
|
|
if ((pCurHcb->HCS_ActTcs->TCS_Flags & (TCF_SYNC_DONE | TCF_NO_SYNC_NEGO)) == 0)
|
| 2484 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN));
|
| 2485 |
|
|
return (tul_msgin_accept(pCurHcb));
|
| 2486 |
|
|
}
|
| 2487 |
|
|
}
|
| 2488 |
|
|
}
|
| 2489 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SSignal, ((TUL_RD(pCurHcb->HCS_Base, TUL_SSignal) & (TSC_SET_ACK | 7)) | TSC_SET_ATN));
|
| 2490 |
|
|
|
| 2491 |
|
|
if (tul_msgin_accept(pCurHcb) != MSG_OUT)
|
| 2492 |
|
|
return (pCurHcb->HCS_Phase);
|
| 2493 |
|
|
/* WDTR msg out */
|
| 2494 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_EXTEND);
|
| 2495 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 2);
|
| 2496 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, 3);
|
| 2497 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurHcb->HCS_Msg[2]);
|
| 2498 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 2499 |
|
|
return (wait_tulip(pCurHcb));
|
| 2500 |
|
|
}
|
| 2501 |
|
|
|
| 2502 |
|
|
/***************************************************************************/
|
| 2503 |
|
|
int tul_msgin_sync(HCS * pCurHcb)
|
| 2504 |
|
|
{
|
| 2505 |
|
|
char default_period;
|
| 2506 |
|
|
|
| 2507 |
|
|
default_period = tul_rate_tbl[pCurHcb->HCS_ActTcs->TCS_Flags & TCF_SCSI_RATE];
|
| 2508 |
|
|
if (pCurHcb->HCS_Msg[3] > MAX_OFFSET) {
|
| 2509 |
|
|
pCurHcb->HCS_Msg[3] = MAX_OFFSET;
|
| 2510 |
|
|
if (pCurHcb->HCS_Msg[2] < default_period) {
|
| 2511 |
|
|
pCurHcb->HCS_Msg[2] = default_period;
|
| 2512 |
|
|
return 1;
|
| 2513 |
|
|
}
|
| 2514 |
|
|
if (pCurHcb->HCS_Msg[2] >= 59) { /* Change to async */
|
| 2515 |
|
|
pCurHcb->HCS_Msg[3] = 0;
|
| 2516 |
|
|
}
|
| 2517 |
|
|
return 1;
|
| 2518 |
|
|
}
|
| 2519 |
|
|
/* offset requests asynchronous transfers ? */
|
| 2520 |
|
|
if (pCurHcb->HCS_Msg[3] == 0) {
|
| 2521 |
|
|
return 0;
|
| 2522 |
|
|
}
|
| 2523 |
|
|
if (pCurHcb->HCS_Msg[2] < default_period) {
|
| 2524 |
|
|
pCurHcb->HCS_Msg[2] = default_period;
|
| 2525 |
|
|
return 1;
|
| 2526 |
|
|
}
|
| 2527 |
|
|
if (pCurHcb->HCS_Msg[2] >= 59) {
|
| 2528 |
|
|
pCurHcb->HCS_Msg[3] = 0;
|
| 2529 |
|
|
return 1;
|
| 2530 |
|
|
}
|
| 2531 |
|
|
return 0;
|
| 2532 |
|
|
}
|
| 2533 |
|
|
|
| 2534 |
|
|
|
| 2535 |
|
|
/***************************************************************************/
|
| 2536 |
|
|
int wdtr_done(HCS * pCurHcb)
|
| 2537 |
|
|
{
|
| 2538 |
|
|
pCurHcb->HCS_ActTcs->TCS_Flags &= ~TCF_SYNC_DONE;
|
| 2539 |
|
|
pCurHcb->HCS_ActTcs->TCS_Flags |= TCF_WDTR_DONE;
|
| 2540 |
|
|
|
| 2541 |
|
|
pCurHcb->HCS_ActTcs->TCS_JS_Period = 0;
|
| 2542 |
|
|
if (pCurHcb->HCS_Msg[2]) { /* if 16 bit */
|
| 2543 |
|
|
pCurHcb->HCS_ActTcs->TCS_JS_Period |= TSC_WIDE_SCSI;
|
| 2544 |
|
|
}
|
| 2545 |
|
|
pCurHcb->HCS_ActTcs->TCS_SConfig0 &= ~TSC_ALT_PERIOD;
|
| 2546 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_ActTcs->TCS_SConfig0);
|
| 2547 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurHcb->HCS_ActTcs->TCS_JS_Period);
|
| 2548 |
|
|
|
| 2549 |
|
|
return 1;
|
| 2550 |
|
|
}
|
| 2551 |
|
|
|
| 2552 |
|
|
/***************************************************************************/
|
| 2553 |
|
|
int tul_sync_done(HCS * pCurHcb)
|
| 2554 |
|
|
{
|
| 2555 |
|
|
int i;
|
| 2556 |
|
|
|
| 2557 |
|
|
pCurHcb->HCS_ActTcs->TCS_Flags |= TCF_SYNC_DONE;
|
| 2558 |
|
|
|
| 2559 |
|
|
if (pCurHcb->HCS_Msg[3]) {
|
| 2560 |
|
|
pCurHcb->HCS_ActTcs->TCS_JS_Period |= pCurHcb->HCS_Msg[3];
|
| 2561 |
|
|
for (i = 0; i < 8; i++) {
|
| 2562 |
|
|
if (tul_rate_tbl[i] >= pCurHcb->HCS_Msg[2]) /* pick the big one */
|
| 2563 |
|
|
break;
|
| 2564 |
|
|
}
|
| 2565 |
|
|
pCurHcb->HCS_ActTcs->TCS_JS_Period |= (i << 4);
|
| 2566 |
|
|
pCurHcb->HCS_ActTcs->TCS_SConfig0 |= TSC_ALT_PERIOD;
|
| 2567 |
|
|
}
|
| 2568 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, pCurHcb->HCS_ActTcs->TCS_SConfig0);
|
| 2569 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SPeriod, pCurHcb->HCS_ActTcs->TCS_JS_Period);
|
| 2570 |
|
|
|
| 2571 |
|
|
return (-1);
|
| 2572 |
|
|
}
|
| 2573 |
|
|
|
| 2574 |
|
|
|
| 2575 |
|
|
int tul_post_scsi_rst(HCS * pCurHcb)
|
| 2576 |
|
|
{
|
| 2577 |
|
|
SCB *pCurScb;
|
| 2578 |
|
|
TCS *pCurTcb;
|
| 2579 |
|
|
int i;
|
| 2580 |
|
|
|
| 2581 |
|
|
pCurHcb->HCS_ActScb = 0;
|
| 2582 |
|
|
pCurHcb->HCS_ActTcs = 0;
|
| 2583 |
|
|
pCurHcb->HCS_Flags = 0;
|
| 2584 |
|
|
|
| 2585 |
|
|
while ((pCurScb = tul_pop_busy_scb(pCurHcb)) != NULL) {
|
| 2586 |
|
|
pCurScb->SCB_HaStat = HOST_BAD_PHAS;
|
| 2587 |
|
|
tul_append_done_scb(pCurHcb, pCurScb);
|
| 2588 |
|
|
}
|
| 2589 |
|
|
/* clear sync done flag */
|
| 2590 |
|
|
pCurTcb = &pCurHcb->HCS_Tcs[0];
|
| 2591 |
|
|
for (i = 0; i < pCurHcb->HCS_MaxTar; pCurTcb++, i++) {
|
| 2592 |
|
|
pCurTcb->TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE);
|
| 2593 |
|
|
/* Initialize the sync. xfer register values to an asyn xfer */
|
| 2594 |
|
|
pCurTcb->TCS_JS_Period = 0;
|
| 2595 |
|
|
pCurTcb->TCS_SConfig0 = pCurHcb->HCS_SConf1;
|
| 2596 |
|
|
pCurHcb->HCS_ActTags[0] = 0; /* 07/22/98 */
|
| 2597 |
|
|
pCurHcb->HCS_Tcs[i].TCS_Flags &= ~TCF_BUSY; /* 07/22/98 */
|
| 2598 |
|
|
} /* for */
|
| 2599 |
|
|
|
| 2600 |
|
|
return (-1);
|
| 2601 |
|
|
}
|
| 2602 |
|
|
|
| 2603 |
|
|
/***************************************************************************/
|
| 2604 |
|
|
void tul_select_atn_stop(HCS * pCurHcb, SCB * pCurScb)
|
| 2605 |
|
|
{
|
| 2606 |
|
|
pCurScb->SCB_Status |= SCB_SELECT;
|
| 2607 |
|
|
pCurScb->SCB_NxtStat = 0x1;
|
| 2608 |
|
|
pCurHcb->HCS_ActScb = pCurScb;
|
| 2609 |
|
|
pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target];
|
| 2610 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SELATNSTOP);
|
| 2611 |
|
|
return;
|
| 2612 |
|
|
}
|
| 2613 |
|
|
|
| 2614 |
|
|
|
| 2615 |
|
|
/***************************************************************************/
|
| 2616 |
|
|
void tul_select_atn(HCS * pCurHcb, SCB * pCurScb)
|
| 2617 |
|
|
{
|
| 2618 |
|
|
int i;
|
| 2619 |
|
|
|
| 2620 |
|
|
pCurScb->SCB_Status |= SCB_SELECT;
|
| 2621 |
|
|
pCurScb->SCB_NxtStat = 0x2;
|
| 2622 |
|
|
|
| 2623 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident);
|
| 2624 |
|
|
for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++)
|
| 2625 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]);
|
| 2626 |
|
|
pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target];
|
| 2627 |
|
|
pCurHcb->HCS_ActScb = pCurScb;
|
| 2628 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SEL_ATN);
|
| 2629 |
|
|
return;
|
| 2630 |
|
|
}
|
| 2631 |
|
|
|
| 2632 |
|
|
/***************************************************************************/
|
| 2633 |
|
|
void tul_select_atn3(HCS * pCurHcb, SCB * pCurScb)
|
| 2634 |
|
|
{
|
| 2635 |
|
|
int i;
|
| 2636 |
|
|
|
| 2637 |
|
|
pCurScb->SCB_Status |= SCB_SELECT;
|
| 2638 |
|
|
pCurScb->SCB_NxtStat = 0x2;
|
| 2639 |
|
|
|
| 2640 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_Ident);
|
| 2641 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagMsg);
|
| 2642 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_TagId);
|
| 2643 |
|
|
for (i = 0; i < (int) pCurScb->SCB_CDBLen; i++)
|
| 2644 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, pCurScb->SCB_CDB[i]);
|
| 2645 |
|
|
pCurHcb->HCS_ActTcs = &pCurHcb->HCS_Tcs[pCurScb->SCB_Target];
|
| 2646 |
|
|
pCurHcb->HCS_ActScb = pCurScb;
|
| 2647 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_SEL_ATN3);
|
| 2648 |
|
|
return;
|
| 2649 |
|
|
}
|
| 2650 |
|
|
|
| 2651 |
|
|
/***************************************************************************/
|
| 2652 |
|
|
/* SCSI Bus Device Reset */
|
| 2653 |
|
|
int tul_bus_device_reset(HCS * pCurHcb)
|
| 2654 |
|
|
{
|
| 2655 |
|
|
SCB *pCurScb = pCurHcb->HCS_ActScb;
|
| 2656 |
|
|
TCS *pCurTcb = pCurHcb->HCS_ActTcs;
|
| 2657 |
|
|
SCB *pTmpScb, *pPrevScb;
|
| 2658 |
|
|
BYTE tar;
|
| 2659 |
|
|
|
| 2660 |
|
|
if (pCurHcb->HCS_Phase != MSG_OUT) {
|
| 2661 |
|
|
return (int_tul_bad_seq(pCurHcb)); /* Unexpected phase */
|
| 2662 |
|
|
}
|
| 2663 |
|
|
tul_unlink_pend_scb(pCurHcb, pCurScb);
|
| 2664 |
|
|
tul_release_scb(pCurHcb, pCurScb);
|
| 2665 |
|
|
|
| 2666 |
|
|
|
| 2667 |
|
|
tar = pCurScb->SCB_Target; /* target */
|
| 2668 |
|
|
pCurTcb->TCS_Flags &= ~(TCF_SYNC_DONE | TCF_WDTR_DONE | TCF_BUSY);
|
| 2669 |
|
|
/* clr sync. nego & WDTR flags 07/22/98 */
|
| 2670 |
|
|
|
| 2671 |
|
|
/* abort all SCB with same target */
|
| 2672 |
|
|
pPrevScb = pTmpScb = pCurHcb->HCS_FirstBusy; /* Check Busy queue */
|
| 2673 |
|
|
while (pTmpScb != NULL) {
|
| 2674 |
|
|
|
| 2675 |
|
|
if (pTmpScb->SCB_Target == tar) {
|
| 2676 |
|
|
/* unlink it */
|
| 2677 |
|
|
if (pTmpScb == pCurHcb->HCS_FirstBusy) {
|
| 2678 |
|
|
if ((pCurHcb->HCS_FirstBusy = pTmpScb->SCB_NxtScb) == NULL)
|
| 2679 |
|
|
pCurHcb->HCS_LastBusy = NULL;
|
| 2680 |
|
|
} else {
|
| 2681 |
|
|
pPrevScb->SCB_NxtScb = pTmpScb->SCB_NxtScb;
|
| 2682 |
|
|
if (pTmpScb == pCurHcb->HCS_LastBusy)
|
| 2683 |
|
|
pCurHcb->HCS_LastBusy = pPrevScb;
|
| 2684 |
|
|
}
|
| 2685 |
|
|
pTmpScb->SCB_HaStat = HOST_ABORTED;
|
| 2686 |
|
|
tul_append_done_scb(pCurHcb, pTmpScb);
|
| 2687 |
|
|
}
|
| 2688 |
|
|
/* Previous haven't change */
|
| 2689 |
|
|
else {
|
| 2690 |
|
|
pPrevScb = pTmpScb;
|
| 2691 |
|
|
}
|
| 2692 |
|
|
pTmpScb = pTmpScb->SCB_NxtScb;
|
| 2693 |
|
|
}
|
| 2694 |
|
|
|
| 2695 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SFifo, MSG_DEVRST);
|
| 2696 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_XF_FIFO_OUT);
|
| 2697 |
|
|
|
| 2698 |
|
|
return tul_wait_disc(pCurHcb);
|
| 2699 |
|
|
|
| 2700 |
|
|
}
|
| 2701 |
|
|
|
| 2702 |
|
|
/***************************************************************************/
|
| 2703 |
|
|
int tul_msgin_accept(HCS * pCurHcb)
|
| 2704 |
|
|
{
|
| 2705 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCmd, TSC_MSG_ACCEPT);
|
| 2706 |
|
|
return (wait_tulip(pCurHcb));
|
| 2707 |
|
|
}
|
| 2708 |
|
|
|
| 2709 |
|
|
/***************************************************************************/
|
| 2710 |
|
|
int wait_tulip(HCS * pCurHcb)
|
| 2711 |
|
|
{
|
| 2712 |
|
|
|
| 2713 |
|
|
while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0))
|
| 2714 |
|
|
& TSS_INT_PENDING));
|
| 2715 |
|
|
|
| 2716 |
|
|
pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt);
|
| 2717 |
|
|
pCurHcb->HCS_Phase = pCurHcb->HCS_JSStatus0 & TSS_PH_MASK;
|
| 2718 |
|
|
pCurHcb->HCS_JSStatus1 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus1);
|
| 2719 |
|
|
|
| 2720 |
|
|
if (pCurHcb->HCS_JSInt & TSS_RESEL_INT) { /* if SCSI bus reset detected */
|
| 2721 |
|
|
return (int_tul_resel(pCurHcb));
|
| 2722 |
|
|
}
|
| 2723 |
|
|
if (pCurHcb->HCS_JSInt & TSS_SEL_TIMEOUT) { /* if selected/reselected timeout interrupt */
|
| 2724 |
|
|
return (int_tul_busfree(pCurHcb));
|
| 2725 |
|
|
}
|
| 2726 |
|
|
if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* if SCSI bus reset detected */
|
| 2727 |
|
|
return (int_tul_scsi_rst(pCurHcb));
|
| 2728 |
|
|
}
|
| 2729 |
|
|
if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */
|
| 2730 |
|
|
if (pCurHcb->HCS_Flags & HCF_EXPECT_DONE_DISC) {
|
| 2731 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */
|
| 2732 |
|
|
tul_unlink_busy_scb(pCurHcb, pCurHcb->HCS_ActScb);
|
| 2733 |
|
|
pCurHcb->HCS_ActScb->SCB_HaStat = 0;
|
| 2734 |
|
|
tul_append_done_scb(pCurHcb, pCurHcb->HCS_ActScb);
|
| 2735 |
|
|
pCurHcb->HCS_ActScb = NULL;
|
| 2736 |
|
|
pCurHcb->HCS_ActTcs = NULL;
|
| 2737 |
|
|
pCurHcb->HCS_Flags &= ~HCF_EXPECT_DONE_DISC;
|
| 2738 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT);
|
| 2739 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */
|
| 2740 |
|
|
return (-1);
|
| 2741 |
|
|
}
|
| 2742 |
|
|
if (pCurHcb->HCS_Flags & HCF_EXPECT_DISC) {
|
| 2743 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */
|
| 2744 |
|
|
pCurHcb->HCS_ActScb = NULL;
|
| 2745 |
|
|
pCurHcb->HCS_ActTcs = NULL;
|
| 2746 |
|
|
pCurHcb->HCS_Flags &= ~HCF_EXPECT_DISC;
|
| 2747 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT);
|
| 2748 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */
|
| 2749 |
|
|
return (-1);
|
| 2750 |
|
|
}
|
| 2751 |
|
|
return (int_tul_busfree(pCurHcb));
|
| 2752 |
|
|
}
|
| 2753 |
|
|
if (pCurHcb->HCS_JSInt & (TSS_FUNC_COMP | TSS_BUS_SERV)) {
|
| 2754 |
|
|
return (pCurHcb->HCS_Phase);
|
| 2755 |
|
|
}
|
| 2756 |
|
|
return (pCurHcb->HCS_Phase);
|
| 2757 |
|
|
}
|
| 2758 |
|
|
/***************************************************************************/
|
| 2759 |
|
|
int tul_wait_disc(HCS * pCurHcb)
|
| 2760 |
|
|
{
|
| 2761 |
|
|
|
| 2762 |
|
|
while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0))
|
| 2763 |
|
|
& TSS_INT_PENDING));
|
| 2764 |
|
|
|
| 2765 |
|
|
|
| 2766 |
|
|
pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt);
|
| 2767 |
|
|
|
| 2768 |
|
|
if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* if SCSI bus reset detected */
|
| 2769 |
|
|
return (int_tul_scsi_rst(pCurHcb));
|
| 2770 |
|
|
}
|
| 2771 |
|
|
if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */
|
| 2772 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */
|
| 2773 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT);
|
| 2774 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */
|
| 2775 |
|
|
pCurHcb->HCS_ActScb = NULL;
|
| 2776 |
|
|
return (-1);
|
| 2777 |
|
|
}
|
| 2778 |
|
|
return (tul_bad_seq(pCurHcb));
|
| 2779 |
|
|
}
|
| 2780 |
|
|
|
| 2781 |
|
|
/***************************************************************************/
|
| 2782 |
|
|
int tul_wait_done_disc(HCS * pCurHcb)
|
| 2783 |
|
|
{
|
| 2784 |
|
|
|
| 2785 |
|
|
|
| 2786 |
|
|
while (!((pCurHcb->HCS_JSStatus0 = TUL_RD(pCurHcb->HCS_Base, TUL_SStatus0))
|
| 2787 |
|
|
& TSS_INT_PENDING));
|
| 2788 |
|
|
|
| 2789 |
|
|
pCurHcb->HCS_JSInt = TUL_RD(pCurHcb->HCS_Base, TUL_SInt);
|
| 2790 |
|
|
|
| 2791 |
|
|
|
| 2792 |
|
|
if (pCurHcb->HCS_JSInt & TSS_SCSIRST_INT) { /* if SCSI bus reset detected */
|
| 2793 |
|
|
return (int_tul_scsi_rst(pCurHcb));
|
| 2794 |
|
|
}
|
| 2795 |
|
|
if (pCurHcb->HCS_JSInt & TSS_DISC_INT) { /* BUS disconnection */
|
| 2796 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl0, TSC_FLUSH_FIFO); /* Flush SCSI FIFO */
|
| 2797 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SConfig, TSC_INITDEFAULT);
|
| 2798 |
|
|
TUL_WR(pCurHcb->HCS_Base + TUL_SCtrl1, TSC_HW_RESELECT); /* Enable HW reselect */
|
| 2799 |
|
|
tul_unlink_busy_scb(pCurHcb, pCurHcb->HCS_ActScb);
|
| 2800 |
|
|
|
| 2801 |
|
|
tul_append_done_scb(pCurHcb, pCurHcb->HCS_ActScb);
|
| 2802 |
|
|
pCurHcb->HCS_ActScb = NULL;
|
| 2803 |
|
|
return (-1);
|
| 2804 |
|
|
}
|
| 2805 |
|
|
return (tul_bad_seq(pCurHcb));
|
| 2806 |
|
|
}
|
| 2807 |
|
|
|
| 2808 |
|
|
/**************************** EOF *********************************/
|
