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phoenix |
/* aha152x.c -- Adaptec AHA-152x driver
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* Author: Jürgen E. Fischer, fischer@norbit.de
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* Copyright 1993-2000 Jürgen E. Fischer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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*
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* $Id: aha152x.c,v 1.1.1.1 2004-04-15 02:09:45 phoenix Exp $
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*
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* $Log: not supported by cvs2svn $
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* Revision 2.5 2002/04/14 11:24:53 fischer
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* - isapnp support
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* - abort fixed
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* - 2.5 support
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*
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* Revision 2.4 2000/12/16 12:53:56 fischer
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* - allow REQUEST SENSE to be queued
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* - handle shared PCI interrupts
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*
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* Revision 2.3 2000/11/04 16:40:26 fischer
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* - handle data overruns
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* - extend timeout for data phases
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*
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* Revision 2.2 2000/08/08 19:54:53 fischer
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* - minor changes
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*
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* Revision 2.1 2000/05/17 16:23:17 fischer
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* - signature update
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* - fix for data out w/o scatter gather
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*
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* Revision 2.0 1999/12/25 15:07:32 fischer
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* - interrupt routine completly reworked
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* - basic support for new eh code
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*
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* Revision 1.21 1999/11/10 23:46:36 fischer
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* - default to synchronous operation
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* - synchronous negotiation fixed
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* - added timeout to loops
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* - debugging output can be controlled through procfs
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*
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* Revision 1.20 1999/11/07 18:37:31 fischer
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* - synchronous operation works
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* - resid support for sg driver
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*
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* Revision 1.19 1999/11/02 22:39:59 fischer
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* - moved leading comments to README.aha152x
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* - new additional module parameters
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* - updates for 2.3
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* - support for the Tripace TC1550 controller
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* - interrupt handling changed
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*
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* Revision 1.18 1996/09/07 20:10:40 fischer
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* - fixed can_queue handling (multiple outstanding commands working again)
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*
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* Revision 1.17 1996/08/17 16:05:14 fischer
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* - biosparam improved
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* - interrupt verification
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* - updated documentation
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* - cleanups
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*
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* Revision 1.16 1996/06/09 00:04:56 root
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* - added configuration symbols for insmod (aha152x/aha152x1)
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*
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* Revision 1.15 1996/04/30 14:52:06 fischer
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* - proc info fixed
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* - support for extended translation for >1GB disks
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*
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* Revision 1.14 1996/01/17 15:11:20 fischer
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* - fixed lockup in MESSAGE IN phase after reconnection
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*
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* Revision 1.13 1996/01/09 02:15:53 fischer
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* - some cleanups
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* - moved request_irq behind controller initialization
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* (to avoid spurious interrupts)
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*
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* Revision 1.12 1995/12/16 12:26:07 fischer
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* - barrier()s added
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* - configurable RESET delay added
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*
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* Revision 1.11 1995/12/06 21:18:35 fischer
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* - some minor updates
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*
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* Revision 1.10 1995/07/22 19:18:45 fischer
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* - support for 2 controllers
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* - started synchronous data transfers (not working yet)
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*
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* Revision 1.9 1995/03/18 09:20:24 root
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* - patches for PCMCIA and modules
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*
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* Revision 1.8 1995/01/21 22:07:19 root
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* - snarf_region => request_region
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* - aha152x_intr interface change
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*
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* Revision 1.7 1995/01/02 23:19:36 root
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* - updated COMMAND_SIZE to cmd_len
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* - changed sti() to restore_flags()
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* - fixed some #ifdef which generated warnings
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*
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* Revision 1.6 1994/11/24 20:35:27 root
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* - problem with odd number of bytes in fifo fixed
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*
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* Revision 1.5 1994/10/30 14:39:56 root
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* - abort code fixed
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* - debugging improved
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*
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* Revision 1.4 1994/09/12 11:33:01 root
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* - irqaction to request_irq
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* - abortion updated
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*
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* Revision 1.3 1994/08/04 13:53:05 root
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* - updates for mid-level-driver changes
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* - accept unexpected BUSFREE phase as error condition
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* - parity check now configurable
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*
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* Revision 1.2 1994/07/03 12:56:36 root
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* - cleaned up debugging code
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* - more tweaking on reset delays
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* - updated abort/reset code (pretty untested...)
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*
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* Revision 1.1 1994/05/28 21:18:49 root
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* - update for mid-level interface change (abort-reset)
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* - delays after resets adjusted for some slow devices
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*
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* Revision 1.0 1994/03/25 12:52:00 root
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* - Fixed "more data than expected" problem
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* - added new BIOS signatures
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*
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* Revision 0.102 1994/01/31 20:44:12 root
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* - minor changes in insw/outsw handling
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*
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* Revision 0.101 1993/12/13 01:16:27 root
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* - fixed STATUS phase (non-GOOD stati were dropped sometimes;
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* fixes problems with CD-ROM sector size detection & media change)
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*
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* Revision 0.100 1993/12/10 16:58:47 root
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* - fix for unsuccessful selections in case of non-continuous id assignments
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* on the scsi bus.
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*
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* Revision 0.99 1993/10/24 16:19:59 root
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* - fixed DATA IN (rare read errors gone)
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*
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* Revision 0.98 1993/10/17 12:54:44 root
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* - fixed some recent fixes (shame on me)
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* - moved initialization of scratch area to aha152x_queue
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*
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* Revision 0.97 1993/10/09 18:53:53 root
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* - DATA IN fixed. Rarely left data in the fifo.
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*
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* Revision 0.96 1993/10/03 00:53:59 root
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* - minor changes on DATA IN
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*
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* Revision 0.95 1993/09/24 10:36:01 root
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* - change handling of MSGI after reselection
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* - fixed sti/cli
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* - minor changes
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*
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* Revision 0.94 1993/09/18 14:08:22 root
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* - fixed bug in multiple outstanding command code
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* - changed detection
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* - support for kernel command line configuration
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* - reset corrected
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* - changed message handling
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*
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* Revision 0.93 1993/09/15 20:41:19 root
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* - fixed bugs with multiple outstanding commands
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*
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* Revision 0.92 1993/09/13 02:46:33 root
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* - multiple outstanding commands work (no problems with IBM drive)
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*
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* Revision 0.91 1993/09/12 20:51:46 root
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* added multiple outstanding commands
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* (some problem with this $%&? IBM device remain)
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*
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* Revision 0.9 1993/09/12 11:11:22 root
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* - corrected auto-configuration
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* - changed the auto-configuration (added some '#define's)
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* - added support for dis-/reconnection
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*
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* Revision 0.8 1993/09/06 23:09:39 root
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* - added support for the drive activity light
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* - minor changes
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*
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* Revision 0.7 1993/09/05 14:30:15 root
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* - improved phase detection
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* - now using the new snarf_region code of 0.99pl13
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*
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* Revision 0.6 1993/09/02 11:01:38 root
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* first public release; added some signatures and biosparam()
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*
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* Revision 0.5 1993/08/30 10:23:30 root
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* fixed timing problems with my IBM drive
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*
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* Revision 0.4 1993/08/29 14:06:52 root
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* fixed some problems with timeouts due incomplete commands
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*
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* Revision 0.3 1993/08/28 15:55:03 root
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* writing data works too. mounted and worked on a dos partition
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*
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* Revision 0.2 1993/08/27 22:42:07 root
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* reading data works. Mounted a msdos partition.
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*
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* Revision 0.1 1993/08/25 13:38:30 root
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* first "damn thing doesn't work" version
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*
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* Revision 0.0 1993/08/14 19:54:25 root
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* empty function bodies; detect() works.
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*
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*
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**************************************************************************
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see README.aha152x for configuration details
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**************************************************************************/
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#include <linux/module.h>
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#include <linux/sched.h>
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#include <asm/irq.h>
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#include <asm/io.h>
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#include <linux/version.h>
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#include <linux/blk.h>
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#include "scsi.h"
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#include "sd.h"
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#include "hosts.h"
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#include "constants.h"
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#include <asm/system.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <linux/wait.h>
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#include <linux/ioport.h>
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#include <linux/delay.h>
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#include <linux/proc_fs.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/isapnp.h>
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#include <asm/semaphore.h>
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#include <linux/spinlock.h>
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#include "aha152x.h"
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#include <linux/stat.h>
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#include <scsi/scsicam.h>
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#if defined(PCMCIA)
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#undef MODULE
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#endif
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/* DEFINES */
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/* For PCMCIA cards, always use AUTOCONF */
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#if defined(PCMCIA) || defined(MODULE)
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#if !defined(AUTOCONF)
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#define AUTOCONF
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#endif
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#endif
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#if !defined(AUTOCONF) && !defined(SETUP0)
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#error define AUTOCONF or SETUP0
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#endif
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#if defined(AHA152X_DEBUG)
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#define DEBUG_DEFAULT debug_eh
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#define DPRINTK(when,msgs...) \
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do { if(HOSTDATA(shpnt)->debug & (when)) printk(msgs); } while(0)
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#define DO_LOCK(flags) \
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do { \
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if(spin_is_locked(&QLOCK)) { \
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DPRINTK(debug_intr, DEBUG_LEAD "(%s:%d) already locked at %s:%d\n", CMDINFO(CURRENT_SC), __FUNCTION__, __LINE__, QLOCKER, QLOCKERL); \
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} \
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DPRINTK(debug_locks, DEBUG_LEAD "(%s:%d) locking\n", CMDINFO(CURRENT_SC), __FUNCTION__, __LINE__); \
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spin_lock_irqsave(&QLOCK,flags); \
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DPRINTK(debug_locks, DEBUG_LEAD "(%s:%d) locked\n", CMDINFO(CURRENT_SC), __FUNCTION__, __LINE__); \
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QLOCKER=__FUNCTION__; \
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QLOCKERL=__LINE__; \
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} while(0)
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#define DO_UNLOCK(flags) \
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do { \
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DPRINTK(debug_locks, DEBUG_LEAD "(%s:%d) unlocking (locked at %s:%d)\n", CMDINFO(CURRENT_SC), __FUNCTION__, __LINE__, QLOCKER, QLOCKERL); \
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spin_unlock_irqrestore(&QLOCK,flags); \
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DPRINTK(debug_locks, DEBUG_LEAD "(%s:%d) unlocked\n", CMDINFO(CURRENT_SC), __FUNCTION__, __LINE__); \
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QLOCKER="(not locked)"; \
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QLOCKERL=0; \
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} while(0)
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#else
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#define DPRINTK(when,msgs...)
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#define DO_LOCK(flags) spin_lock_irqsave(&QLOCK,flags)
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#define DO_UNLOCK(flags) spin_unlock_irqrestore(&QLOCK,flags)
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#endif
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#define LEAD "(scsi%d:%d:%d) "
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#define WARN_LEAD KERN_WARNING LEAD
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#define INFO_LEAD KERN_INFO LEAD
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#define NOTE_LEAD KERN_NOTICE LEAD
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#define ERR_LEAD KERN_ERR LEAD
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#define DEBUG_LEAD KERN_DEBUG LEAD
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#define CMDINFO(cmd) \
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(cmd) ? ((cmd)->host->host_no) : -1, \
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(cmd) ? ((cmd)->target & 0x0f) : -1, \
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(cmd) ? ((cmd)->lun & 0x07) : -1
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#define DELAY_DEFAULT 1000
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#if defined(PCMCIA)
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#define IRQ_MIN 0
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#define IRQ_MAX 16
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#else
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#define IRQ_MIN 9
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#if defined(__PPC)
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#define IRQ_MAX (NR_IRQS-1)
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#else
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#define IRQ_MAX 12
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#endif
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#endif
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enum {
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|
|
not_issued = 0x0001, /* command not yet issued */
|
| 330 |
|
|
selecting = 0x0002, /* target is beeing selected */
|
| 331 |
|
|
identified = 0x0004, /* IDENTIFY was sent */
|
| 332 |
|
|
disconnected = 0x0008, /* target disconnected */
|
| 333 |
|
|
completed = 0x0010, /* target sent COMMAND COMPLETE */
|
| 334 |
|
|
aborted = 0x0020, /* ABORT was sent */
|
| 335 |
|
|
resetted = 0x0040, /* BUS DEVICE RESET was sent */
|
| 336 |
|
|
spiordy = 0x0080, /* waiting for SPIORDY to raise */
|
| 337 |
|
|
syncneg = 0x0100, /* synchronous negotiation in progress */
|
| 338 |
|
|
aborting = 0x0200, /* ABORT is pending */
|
| 339 |
|
|
resetting = 0x0400, /* BUS DEVICE RESET is pending */
|
| 340 |
|
|
};
|
| 341 |
|
|
|
| 342 |
|
|
#if defined(MODULE)
|
| 343 |
|
|
MODULE_AUTHOR("Jürgen Fischer");
|
| 344 |
|
|
MODULE_DESCRIPTION(AHA152X_REVID);
|
| 345 |
|
|
MODULE_LICENSE("GPL");
|
| 346 |
|
|
|
| 347 |
|
|
MODULE_PARM(io, "1-2i");
|
| 348 |
|
|
MODULE_PARM_DESC(io,"base io address of controller");
|
| 349 |
|
|
static int io[] = {0, 0};
|
| 350 |
|
|
|
| 351 |
|
|
MODULE_PARM(irq, "1-2i");
|
| 352 |
|
|
MODULE_PARM_DESC(irq,"interrupt for controller");
|
| 353 |
|
|
static int irq[] = {0, 0};
|
| 354 |
|
|
|
| 355 |
|
|
MODULE_PARM(scsiid, "1-2i");
|
| 356 |
|
|
MODULE_PARM_DESC(scsiid,"scsi id of controller");
|
| 357 |
|
|
static int scsiid[] = {7, 7};
|
| 358 |
|
|
|
| 359 |
|
|
MODULE_PARM(reconnect, "1-2i");
|
| 360 |
|
|
MODULE_PARM_DESC(reconnect,"allow targets to disconnect");
|
| 361 |
|
|
static int reconnect[] = {1, 1};
|
| 362 |
|
|
|
| 363 |
|
|
MODULE_PARM(parity, "1-2i");
|
| 364 |
|
|
MODULE_PARM_DESC(parity,"use scsi parity");
|
| 365 |
|
|
static int parity[] = {1, 1};
|
| 366 |
|
|
|
| 367 |
|
|
MODULE_PARM(sync, "1-2i");
|
| 368 |
|
|
MODULE_PARM_DESC(sync,"use synchronous transfers");
|
| 369 |
|
|
static int sync[] = {1, 1};
|
| 370 |
|
|
|
| 371 |
|
|
MODULE_PARM(delay, "1-2i");
|
| 372 |
|
|
MODULE_PARM_DESC(delay,"scsi reset delay");
|
| 373 |
|
|
static int delay[] = {DELAY_DEFAULT, DELAY_DEFAULT};
|
| 374 |
|
|
|
| 375 |
|
|
MODULE_PARM(exttrans, "1-2i");
|
| 376 |
|
|
MODULE_PARM_DESC(exttrans,"use extended translation");
|
| 377 |
|
|
static int exttrans[] = {0, 0};
|
| 378 |
|
|
|
| 379 |
|
|
#if !defined(AHA152X_DEBUG)
|
| 380 |
|
|
MODULE_PARM(aha152x, "1-8i");
|
| 381 |
|
|
MODULE_PARM_DESC(aha152x, "parameters for first controller");
|
| 382 |
|
|
static int aha152x[] = {0, 11, 7, 1, 1, 0, DELAY_DEFAULT, 0};
|
| 383 |
|
|
|
| 384 |
|
|
MODULE_PARM(aha152x1, "1-8i");
|
| 385 |
|
|
MODULE_PARM_DESC(aha152x1, "parameters for second controller");
|
| 386 |
|
|
static int aha152x1[] = {0, 11, 7, 1, 1, 0, DELAY_DEFAULT, 0};
|
| 387 |
|
|
#else
|
| 388 |
|
|
MODULE_PARM(debug, "1-2i");
|
| 389 |
|
|
MODULE_PARM_DESC(debug, "flags for driver debugging");
|
| 390 |
|
|
static int debug[] = {DEBUG_DEFAULT, DEBUG_DEFAULT};
|
| 391 |
|
|
|
| 392 |
|
|
MODULE_PARM(aha152x, "1-9i");
|
| 393 |
|
|
MODULE_PARM_DESC(aha152x, "parameters for first controller");
|
| 394 |
|
|
static int aha152x[] = {0, 11, 7, 1, 1, 1, DELAY_DEFAULT, 0, DEBUG_DEFAULT};
|
| 395 |
|
|
|
| 396 |
|
|
MODULE_PARM(aha152x1, "1-9i");
|
| 397 |
|
|
MODULE_PARM_DESC(aha152x1, "parameters for second controller");
|
| 398 |
|
|
static int aha152x1[] = {0, 11, 7, 1, 1, 1, DELAY_DEFAULT, 0, DEBUG_DEFAULT};
|
| 399 |
|
|
#endif /* !defined(AHA152X_DEBUG) */
|
| 400 |
|
|
|
| 401 |
|
|
#ifdef __ISAPNP__
|
| 402 |
|
|
static struct isapnp_device_id id_table[] __devinitdata = {
|
| 403 |
|
|
{ ISAPNP_DEVICE_SINGLE('A','D','P',0x1505, 'A','D','P',0x1505), },
|
| 404 |
|
|
{ ISAPNP_DEVICE_SINGLE_END, }
|
| 405 |
|
|
};
|
| 406 |
|
|
MODULE_DEVICE_TABLE(isapnp, id_table);
|
| 407 |
|
|
#endif /* ISAPNP */
|
| 408 |
|
|
#endif /* MODULE */
|
| 409 |
|
|
|
| 410 |
|
|
/* set by aha152x_setup according to the command line */
|
| 411 |
|
|
static int setup_count = 0;
|
| 412 |
|
|
static int registered_count = 0;
|
| 413 |
|
|
static struct aha152x_setup {
|
| 414 |
|
|
int io_port;
|
| 415 |
|
|
int irq;
|
| 416 |
|
|
int scsiid;
|
| 417 |
|
|
int reconnect;
|
| 418 |
|
|
int parity;
|
| 419 |
|
|
int synchronous;
|
| 420 |
|
|
int delay;
|
| 421 |
|
|
int ext_trans;
|
| 422 |
|
|
int tc1550;
|
| 423 |
|
|
#if defined(AHA152X_DEBUG)
|
| 424 |
|
|
int debug;
|
| 425 |
|
|
#endif
|
| 426 |
|
|
char *conf;
|
| 427 |
|
|
} setup[2];
|
| 428 |
|
|
|
| 429 |
|
|
static struct Scsi_Host *aha152x_host[2];
|
| 430 |
|
|
|
| 431 |
|
|
/*
|
| 432 |
|
|
* internal states of the host
|
| 433 |
|
|
*
|
| 434 |
|
|
*/
|
| 435 |
|
|
enum aha152x_state {
|
| 436 |
|
|
idle=0,
|
| 437 |
|
|
unknown,
|
| 438 |
|
|
seldo,
|
| 439 |
|
|
seldi,
|
| 440 |
|
|
selto,
|
| 441 |
|
|
busfree,
|
| 442 |
|
|
msgo,
|
| 443 |
|
|
cmd,
|
| 444 |
|
|
msgi,
|
| 445 |
|
|
status,
|
| 446 |
|
|
datai,
|
| 447 |
|
|
datao,
|
| 448 |
|
|
parerr,
|
| 449 |
|
|
rsti,
|
| 450 |
|
|
maxstate
|
| 451 |
|
|
};
|
| 452 |
|
|
|
| 453 |
|
|
/*
|
| 454 |
|
|
* current state information of the host
|
| 455 |
|
|
*
|
| 456 |
|
|
*/
|
| 457 |
|
|
struct aha152x_hostdata {
|
| 458 |
|
|
Scsi_Cmnd *issue_SC;
|
| 459 |
|
|
/* pending commands to issue */
|
| 460 |
|
|
|
| 461 |
|
|
Scsi_Cmnd *current_SC;
|
| 462 |
|
|
/* current command on the bus */
|
| 463 |
|
|
|
| 464 |
|
|
Scsi_Cmnd *disconnected_SC;
|
| 465 |
|
|
/* commands that disconnected */
|
| 466 |
|
|
|
| 467 |
|
|
Scsi_Cmnd *done_SC;
|
| 468 |
|
|
/* command that was completed */
|
| 469 |
|
|
|
| 470 |
|
|
spinlock_t lock;
|
| 471 |
|
|
/* host lock */
|
| 472 |
|
|
|
| 473 |
|
|
#if defined(AHA152X_DEBUG)
|
| 474 |
|
|
char *locker; /* which function has the lock */
|
| 475 |
|
|
int lockerl; /* where did it get it */
|
| 476 |
|
|
|
| 477 |
|
|
int debug; /* current debugging setting */
|
| 478 |
|
|
#endif
|
| 479 |
|
|
|
| 480 |
|
|
#if defined(AHA152X_STAT)
|
| 481 |
|
|
int total_commands;
|
| 482 |
|
|
int disconnections;
|
| 483 |
|
|
int busfree_without_any_action;
|
| 484 |
|
|
int busfree_without_old_command;
|
| 485 |
|
|
int busfree_without_new_command;
|
| 486 |
|
|
int busfree_without_done_command;
|
| 487 |
|
|
int busfree_with_check_condition;
|
| 488 |
|
|
int count[maxstate];
|
| 489 |
|
|
int count_trans[maxstate];
|
| 490 |
|
|
unsigned long time[maxstate];
|
| 491 |
|
|
#endif
|
| 492 |
|
|
|
| 493 |
|
|
int commands; /* current number of commands */
|
| 494 |
|
|
|
| 495 |
|
|
int reconnect; /* disconnection allowed */
|
| 496 |
|
|
int parity; /* parity checking enabled */
|
| 497 |
|
|
int synchronous; /* synchronous transferes enabled */
|
| 498 |
|
|
int delay; /* reset out delay */
|
| 499 |
|
|
int ext_trans; /* extended translation enabled */
|
| 500 |
|
|
|
| 501 |
|
|
int swint; /* software-interrupt was fired during detect() */
|
| 502 |
|
|
int service; /* bh needs to be run */
|
| 503 |
|
|
int in_intr; /* bh is running */
|
| 504 |
|
|
|
| 505 |
|
|
/* current state,
|
| 506 |
|
|
previous state,
|
| 507 |
|
|
last state different from current state */
|
| 508 |
|
|
enum aha152x_state state, prevstate, laststate;
|
| 509 |
|
|
|
| 510 |
|
|
int target;
|
| 511 |
|
|
/* reconnecting target */
|
| 512 |
|
|
|
| 513 |
|
|
unsigned char syncrate[8];
|
| 514 |
|
|
/* current synchronous transfer agreements */
|
| 515 |
|
|
|
| 516 |
|
|
unsigned char syncneg[8];
|
| 517 |
|
|
/* 0: no negotiation;
|
| 518 |
|
|
* 1: negotiation in progress;
|
| 519 |
|
|
* 2: negotiation completed
|
| 520 |
|
|
*/
|
| 521 |
|
|
|
| 522 |
|
|
int cmd_i;
|
| 523 |
|
|
/* number of sent bytes of current command */
|
| 524 |
|
|
|
| 525 |
|
|
int msgi_len;
|
| 526 |
|
|
/* number of received message bytes */
|
| 527 |
|
|
unsigned char msgi[256];
|
| 528 |
|
|
/* received message bytes */
|
| 529 |
|
|
|
| 530 |
|
|
int msgo_i, msgo_len;
|
| 531 |
|
|
/* number of sent bytes and length of current messages */
|
| 532 |
|
|
unsigned char msgo[256];
|
| 533 |
|
|
/* pending messages */
|
| 534 |
|
|
|
| 535 |
|
|
int data_len;
|
| 536 |
|
|
/* number of sent/received bytes in dataphase */
|
| 537 |
|
|
|
| 538 |
|
|
unsigned long io_port0;
|
| 539 |
|
|
unsigned long io_port1;
|
| 540 |
|
|
};
|
| 541 |
|
|
|
| 542 |
|
|
|
| 543 |
|
|
/*
|
| 544 |
|
|
* host specific command extension
|
| 545 |
|
|
*
|
| 546 |
|
|
*/
|
| 547 |
|
|
struct aha152x_scdata {
|
| 548 |
|
|
Scsi_Cmnd *next; /* next sc in queue */
|
| 549 |
|
|
Scsi_Cmnd *done; /* done command */
|
| 550 |
|
|
struct semaphore *sem; /* semaphore to block on */
|
| 551 |
|
|
};
|
| 552 |
|
|
|
| 553 |
|
|
|
| 554 |
|
|
/* access macros for hostdata */
|
| 555 |
|
|
|
| 556 |
|
|
#define HOSTDATA(shpnt) ((struct aha152x_hostdata *) &shpnt->hostdata)
|
| 557 |
|
|
|
| 558 |
|
|
#define HOSTNO ((shpnt)->host_no)
|
| 559 |
|
|
|
| 560 |
|
|
#define CURRENT_SC (HOSTDATA(shpnt)->current_SC)
|
| 561 |
|
|
#define DONE_SC (HOSTDATA(shpnt)->done_SC)
|
| 562 |
|
|
#define ISSUE_SC (HOSTDATA(shpnt)->issue_SC)
|
| 563 |
|
|
#define DISCONNECTED_SC (HOSTDATA(shpnt)->disconnected_SC)
|
| 564 |
|
|
#define QLOCK (HOSTDATA(shpnt)->lock)
|
| 565 |
|
|
#define QLOCKER (HOSTDATA(shpnt)->locker)
|
| 566 |
|
|
#define QLOCKERL (HOSTDATA(shpnt)->lockerl)
|
| 567 |
|
|
|
| 568 |
|
|
#define STATE (HOSTDATA(shpnt)->state)
|
| 569 |
|
|
#define PREVSTATE (HOSTDATA(shpnt)->prevstate)
|
| 570 |
|
|
#define LASTSTATE (HOSTDATA(shpnt)->laststate)
|
| 571 |
|
|
|
| 572 |
|
|
#define RECONN_TARGET (HOSTDATA(shpnt)->target)
|
| 573 |
|
|
|
| 574 |
|
|
#define CMD_I (HOSTDATA(shpnt)->cmd_i)
|
| 575 |
|
|
|
| 576 |
|
|
#define MSGO(i) (HOSTDATA(shpnt)->msgo[i])
|
| 577 |
|
|
#define MSGO_I (HOSTDATA(shpnt)->msgo_i)
|
| 578 |
|
|
#define MSGOLEN (HOSTDATA(shpnt)->msgo_len)
|
| 579 |
|
|
#define ADDMSGO(x) (MSGOLEN<256 ? MSGO(MSGOLEN++)=x : aha152x_error(shpnt,"MSGO overflow"))
|
| 580 |
|
|
|
| 581 |
|
|
#define MSGI(i) (HOSTDATA(shpnt)->msgi[i])
|
| 582 |
|
|
#define MSGILEN (HOSTDATA(shpnt)->msgi_len)
|
| 583 |
|
|
#define ADDMSGI(x) (MSGILEN<256 ? MSGI(MSGILEN++)=x : aha152x_error(shpnt,"MSGI overflow"))
|
| 584 |
|
|
|
| 585 |
|
|
#define DATA_LEN (HOSTDATA(shpnt)->data_len)
|
| 586 |
|
|
|
| 587 |
|
|
#define SYNCRATE (HOSTDATA(shpnt)->syncrate[CURRENT_SC->target])
|
| 588 |
|
|
#define SYNCNEG (HOSTDATA(shpnt)->syncneg[CURRENT_SC->target])
|
| 589 |
|
|
|
| 590 |
|
|
#define DELAY (HOSTDATA(shpnt)->delay)
|
| 591 |
|
|
#define EXT_TRANS (HOSTDATA(shpnt)->ext_trans)
|
| 592 |
|
|
#define TC1550 (HOSTDATA(shpnt)->tc1550)
|
| 593 |
|
|
#define RECONNECT (HOSTDATA(shpnt)->reconnect)
|
| 594 |
|
|
#define PARITY (HOSTDATA(shpnt)->parity)
|
| 595 |
|
|
#define SYNCHRONOUS (HOSTDATA(shpnt)->synchronous)
|
| 596 |
|
|
|
| 597 |
|
|
#define HOSTIOPORT0 (HOSTDATA(shpnt)->io_port0)
|
| 598 |
|
|
#define HOSTIOPORT1 (HOSTDATA(shpnt)->io_port1)
|
| 599 |
|
|
|
| 600 |
|
|
#define SCDATA(SCpnt) ((struct aha152x_scdata *) (SCpnt)->host_scribble)
|
| 601 |
|
|
#define SCNEXT(SCpnt) SCDATA(SCpnt)->next
|
| 602 |
|
|
#define SCDONE(SCpnt) SCDATA(SCpnt)->done
|
| 603 |
|
|
#define SCSEM(SCpnt) SCDATA(SCpnt)->sem
|
| 604 |
|
|
|
| 605 |
|
|
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
|
| 606 |
|
|
#define SG_ADDRESS(buffer) ((buffer)->address)
|
| 607 |
|
|
#else
|
| 608 |
|
|
#define SG_ADDRESS(buffer) ((char *) (page_address((buffer)->page)+(buffer)->offset))
|
| 609 |
|
|
#endif
|
| 610 |
|
|
|
| 611 |
|
|
/* state handling */
|
| 612 |
|
|
static void seldi_run(struct Scsi_Host *shpnt);
|
| 613 |
|
|
static void seldo_run(struct Scsi_Host *shpnt);
|
| 614 |
|
|
static void selto_run(struct Scsi_Host *shpnt);
|
| 615 |
|
|
static void busfree_run(struct Scsi_Host *shpnt);
|
| 616 |
|
|
|
| 617 |
|
|
static void msgo_init(struct Scsi_Host *shpnt);
|
| 618 |
|
|
static void msgo_run(struct Scsi_Host *shpnt);
|
| 619 |
|
|
static void msgo_end(struct Scsi_Host *shpnt);
|
| 620 |
|
|
|
| 621 |
|
|
static void cmd_init(struct Scsi_Host *shpnt);
|
| 622 |
|
|
static void cmd_run(struct Scsi_Host *shpnt);
|
| 623 |
|
|
static void cmd_end(struct Scsi_Host *shpnt);
|
| 624 |
|
|
|
| 625 |
|
|
static void datai_init(struct Scsi_Host *shpnt);
|
| 626 |
|
|
static void datai_run(struct Scsi_Host *shpnt);
|
| 627 |
|
|
static void datai_end(struct Scsi_Host *shpnt);
|
| 628 |
|
|
|
| 629 |
|
|
static void datao_init(struct Scsi_Host *shpnt);
|
| 630 |
|
|
static void datao_run(struct Scsi_Host *shpnt);
|
| 631 |
|
|
static void datao_end(struct Scsi_Host *shpnt);
|
| 632 |
|
|
|
| 633 |
|
|
static void status_run(struct Scsi_Host *shpnt);
|
| 634 |
|
|
|
| 635 |
|
|
static void msgi_run(struct Scsi_Host *shpnt);
|
| 636 |
|
|
static void msgi_end(struct Scsi_Host *shpnt);
|
| 637 |
|
|
|
| 638 |
|
|
static void parerr_run(struct Scsi_Host *shpnt);
|
| 639 |
|
|
static void rsti_run(struct Scsi_Host *shpnt);
|
| 640 |
|
|
|
| 641 |
|
|
static void is_complete(struct Scsi_Host *shpnt);
|
| 642 |
|
|
|
| 643 |
|
|
/*
|
| 644 |
|
|
* driver states
|
| 645 |
|
|
*
|
| 646 |
|
|
*/
|
| 647 |
|
|
static struct {
|
| 648 |
|
|
char *name;
|
| 649 |
|
|
void (*init)(struct Scsi_Host *);
|
| 650 |
|
|
void (*run)(struct Scsi_Host *);
|
| 651 |
|
|
void (*end)(struct Scsi_Host *);
|
| 652 |
|
|
int spio;
|
| 653 |
|
|
} states[] = {
|
| 654 |
|
|
{ "idle", 0, 0, 0, 0},
|
| 655 |
|
|
{ "unknown", 0, 0, 0, 0},
|
| 656 |
|
|
{ "seldo", 0, seldo_run, 0, 0},
|
| 657 |
|
|
{ "seldi", 0, seldi_run, 0, 0},
|
| 658 |
|
|
{ "selto", 0, selto_run, 0, 0},
|
| 659 |
|
|
{ "busfree", 0, busfree_run, 0, 0},
|
| 660 |
|
|
{ "msgo", msgo_init, msgo_run, msgo_end, 1},
|
| 661 |
|
|
{ "cmd", cmd_init, cmd_run, cmd_end, 1},
|
| 662 |
|
|
{ "msgi", 0, msgi_run, msgi_end, 1},
|
| 663 |
|
|
{ "status", 0, status_run, 0, 1},
|
| 664 |
|
|
{ "datai", datai_init, datai_run, datai_end, 0},
|
| 665 |
|
|
{ "datao", datao_init, datao_run, datao_end, 0},
|
| 666 |
|
|
{ "parerr", 0, parerr_run, 0, 0},
|
| 667 |
|
|
{ "rsti", 0, rsti_run, 0, 0},
|
| 668 |
|
|
};
|
| 669 |
|
|
|
| 670 |
|
|
/* setup & interrupt */
|
| 671 |
|
|
static void intr(int irq, void *dev_id, struct pt_regs *);
|
| 672 |
|
|
static void reset_ports(struct Scsi_Host *shpnt);
|
| 673 |
|
|
static void aha152x_error(struct Scsi_Host *shpnt, char *msg);
|
| 674 |
|
|
static void done(struct Scsi_Host *shpnt, int error);
|
| 675 |
|
|
static int checksetup(struct aha152x_setup *setup);
|
| 676 |
|
|
|
| 677 |
|
|
/* diagnostics */
|
| 678 |
|
|
static void disp_ports(struct Scsi_Host *shpnt);
|
| 679 |
|
|
static void show_command(Scsi_Cmnd * ptr);
|
| 680 |
|
|
static void show_queues(struct Scsi_Host *shpnt);
|
| 681 |
|
|
static void disp_enintr(struct Scsi_Host *shpnt);
|
| 682 |
|
|
|
| 683 |
|
|
/* possible i/o addresses for the AIC-6260; default first */
|
| 684 |
|
|
static unsigned short ports[] = { 0x340, 0x140 };
|
| 685 |
|
|
|
| 686 |
|
|
#if !defined(SKIP_BIOSTEST)
|
| 687 |
|
|
/* possible locations for the Adaptec BIOS; defaults first */
|
| 688 |
|
|
static unsigned int addresses[] =
|
| 689 |
|
|
{
|
| 690 |
|
|
0xdc000, /* default first */
|
| 691 |
|
|
0xc8000,
|
| 692 |
|
|
0xcc000,
|
| 693 |
|
|
0xd0000,
|
| 694 |
|
|
0xd4000,
|
| 695 |
|
|
0xd8000,
|
| 696 |
|
|
0xe0000,
|
| 697 |
|
|
0xeb800, /* VTech Platinum SMP */
|
| 698 |
|
|
0xf0000,
|
| 699 |
|
|
};
|
| 700 |
|
|
|
| 701 |
|
|
/* signatures for various AIC-6[23]60 based controllers.
|
| 702 |
|
|
The point in detecting signatures is to avoid useless and maybe
|
| 703 |
|
|
harmful probes on ports. I'm not sure that all listed boards pass
|
| 704 |
|
|
auto-configuration. For those which fail the BIOS signature is
|
| 705 |
|
|
obsolete, because user intervention to supply the configuration is
|
| 706 |
|
|
needed anyway. May be an information whether or not the BIOS supports
|
| 707 |
|
|
extended translation could be also useful here. */
|
| 708 |
|
|
static struct signature {
|
| 709 |
|
|
unsigned char *signature;
|
| 710 |
|
|
int sig_offset;
|
| 711 |
|
|
int sig_length;
|
| 712 |
|
|
} signatures[] =
|
| 713 |
|
|
{
|
| 714 |
|
|
{ "Adaptec AHA-1520 BIOS", 0x102e, 21 },
|
| 715 |
|
|
/* Adaptec 152x */
|
| 716 |
|
|
{ "Adaptec AHA-1520B", 0x000b, 17 },
|
| 717 |
|
|
/* Adaptec 152x rev B */
|
| 718 |
|
|
{ "Adaptec AHA-1520B", 0x0026, 17 },
|
| 719 |
|
|
/* Iomega Jaz Jet ISA (AIC6370Q) */
|
| 720 |
|
|
{ "Adaptec ASW-B626 BIOS", 0x1029, 21 },
|
| 721 |
|
|
/* on-board controller */
|
| 722 |
|
|
{ "Adaptec BIOS: ASW-B626", 0x000f, 22 },
|
| 723 |
|
|
/* on-board controller */
|
| 724 |
|
|
{ "Adaptec ASW-B626 S2", 0x2e6c, 19 },
|
| 725 |
|
|
/* on-board controller */
|
| 726 |
|
|
{ "Adaptec BIOS:AIC-6360", 0x000c, 21 },
|
| 727 |
|
|
/* on-board controller */
|
| 728 |
|
|
{ "ScsiPro SP-360 BIOS", 0x2873, 19 },
|
| 729 |
|
|
/* ScsiPro-Controller */
|
| 730 |
|
|
{ "GA-400 LOCAL BUS SCSI BIOS", 0x102e, 26 },
|
| 731 |
|
|
/* Gigabyte Local-Bus-SCSI */
|
| 732 |
|
|
{ "Adaptec BIOS:AVA-282X", 0x000c, 21 },
|
| 733 |
|
|
/* Adaptec 282x */
|
| 734 |
|
|
{ "Adaptec IBM Dock II SCSI", 0x2edd, 24 },
|
| 735 |
|
|
/* IBM Thinkpad Dock II */
|
| 736 |
|
|
{ "Adaptec BIOS:AHA-1532P", 0x001c, 22 },
|
| 737 |
|
|
/* IBM Thinkpad Dock II SCSI */
|
| 738 |
|
|
{ "DTC3520A Host Adapter BIOS", 0x318a, 26 },
|
| 739 |
|
|
/* DTC 3520A ISA SCSI */
|
| 740 |
|
|
};
|
| 741 |
|
|
#endif
|
| 742 |
|
|
|
| 743 |
|
|
|
| 744 |
|
|
/*
|
| 745 |
|
|
* queue services:
|
| 746 |
|
|
*
|
| 747 |
|
|
*/
|
| 748 |
|
|
static inline void append_SC(Scsi_Cmnd **SC, Scsi_Cmnd *new_SC)
|
| 749 |
|
|
{
|
| 750 |
|
|
Scsi_Cmnd *end;
|
| 751 |
|
|
|
| 752 |
|
|
SCNEXT(new_SC) = NULL;
|
| 753 |
|
|
if (!*SC)
|
| 754 |
|
|
*SC = new_SC;
|
| 755 |
|
|
else {
|
| 756 |
|
|
for (end = *SC; SCNEXT(end); end = SCNEXT(end))
|
| 757 |
|
|
;
|
| 758 |
|
|
SCNEXT(end) = new_SC;
|
| 759 |
|
|
}
|
| 760 |
|
|
}
|
| 761 |
|
|
|
| 762 |
|
|
static inline Scsi_Cmnd *remove_first_SC(Scsi_Cmnd ** SC)
|
| 763 |
|
|
{
|
| 764 |
|
|
Scsi_Cmnd *ptr;
|
| 765 |
|
|
|
| 766 |
|
|
ptr = *SC;
|
| 767 |
|
|
if (ptr) {
|
| 768 |
|
|
*SC = SCNEXT(*SC);
|
| 769 |
|
|
SCNEXT(ptr)=NULL;
|
| 770 |
|
|
}
|
| 771 |
|
|
return ptr;
|
| 772 |
|
|
}
|
| 773 |
|
|
|
| 774 |
|
|
static inline Scsi_Cmnd *remove_lun_SC(Scsi_Cmnd ** SC, int target, int lun)
|
| 775 |
|
|
{
|
| 776 |
|
|
Scsi_Cmnd *ptr, *prev;
|
| 777 |
|
|
|
| 778 |
|
|
for (ptr = *SC, prev = NULL;
|
| 779 |
|
|
ptr && ((ptr->target != target) || (ptr->lun != lun));
|
| 780 |
|
|
prev = ptr, ptr = SCNEXT(ptr))
|
| 781 |
|
|
;
|
| 782 |
|
|
|
| 783 |
|
|
if (ptr) {
|
| 784 |
|
|
if (prev)
|
| 785 |
|
|
SCNEXT(prev) = SCNEXT(ptr);
|
| 786 |
|
|
else
|
| 787 |
|
|
*SC = SCNEXT(ptr);
|
| 788 |
|
|
|
| 789 |
|
|
SCNEXT(ptr)=NULL;
|
| 790 |
|
|
}
|
| 791 |
|
|
|
| 792 |
|
|
return ptr;
|
| 793 |
|
|
}
|
| 794 |
|
|
|
| 795 |
|
|
static inline Scsi_Cmnd *remove_SC(Scsi_Cmnd **SC, Scsi_Cmnd *SCp)
|
| 796 |
|
|
{
|
| 797 |
|
|
Scsi_Cmnd *ptr, *prev;
|
| 798 |
|
|
|
| 799 |
|
|
for (ptr = *SC, prev = NULL;
|
| 800 |
|
|
ptr && SCp!=ptr;
|
| 801 |
|
|
prev = ptr, ptr = SCNEXT(ptr))
|
| 802 |
|
|
;
|
| 803 |
|
|
|
| 804 |
|
|
if (ptr) {
|
| 805 |
|
|
if (prev)
|
| 806 |
|
|
SCNEXT(prev) = SCNEXT(ptr);
|
| 807 |
|
|
else
|
| 808 |
|
|
*SC = SCNEXT(ptr);
|
| 809 |
|
|
|
| 810 |
|
|
SCNEXT(ptr)=NULL;
|
| 811 |
|
|
}
|
| 812 |
|
|
|
| 813 |
|
|
return ptr;
|
| 814 |
|
|
}
|
| 815 |
|
|
|
| 816 |
|
|
#if defined(PCMCIA) || !defined(MODULE)
|
| 817 |
|
|
void aha152x_setup(char *str, int *ints)
|
| 818 |
|
|
{
|
| 819 |
|
|
if(setup_count>=ARRAY_SIZE(setup)) {
|
| 820 |
|
|
printk(KERN_ERR "aha152x: you can only configure up to two controllers\n");
|
| 821 |
|
|
return;
|
| 822 |
|
|
}
|
| 823 |
|
|
|
| 824 |
|
|
setup[setup_count].conf = str;
|
| 825 |
|
|
setup[setup_count].io_port = ints[0] >= 1 ? ints[1] : 0x340;
|
| 826 |
|
|
setup[setup_count].irq = ints[0] >= 2 ? ints[2] : 11;
|
| 827 |
|
|
setup[setup_count].scsiid = ints[0] >= 3 ? ints[3] : 7;
|
| 828 |
|
|
setup[setup_count].reconnect = ints[0] >= 4 ? ints[4] : 1;
|
| 829 |
|
|
setup[setup_count].parity = ints[0] >= 5 ? ints[5] : 1;
|
| 830 |
|
|
setup[setup_count].synchronous = ints[0] >= 6 ? ints[6] : 1;
|
| 831 |
|
|
setup[setup_count].delay = ints[0] >= 7 ? ints[7] : DELAY_DEFAULT;
|
| 832 |
|
|
setup[setup_count].ext_trans = ints[0] >= 8 ? ints[8] : 0;
|
| 833 |
|
|
#if defined(AHA152X_DEBUG)
|
| 834 |
|
|
setup[setup_count].debug = ints[0] >= 9 ? ints[9] : DEBUG_DEFAULT;
|
| 835 |
|
|
if (ints[0] > 9) {
|
| 836 |
|
|
printk(KERN_NOTICE "aha152x: usage: aha152x=<IOBASE>[,<IRQ>[,<SCSI ID>"
|
| 837 |
|
|
"[,<RECONNECT>[,<PARITY>[,<SYNCHRONOUS>[,<DELAY>[,<EXT_TRANS>[,<DEBUG>]]]]]]]]\n");
|
| 838 |
|
|
#else
|
| 839 |
|
|
if (ints[0] > 8) { /*}*/
|
| 840 |
|
|
printk(KERN_NOTICE "aha152x: usage: aha152x=<IOBASE>[,<IRQ>[,<SCSI ID>"
|
| 841 |
|
|
"[,<RECONNECT>[,<PARITY>[,<SYNCHRONOUS>[,<DELAY>[,<EXT_TRANS>]]]]]]]\n");
|
| 842 |
|
|
#endif
|
| 843 |
|
|
return;
|
| 844 |
|
|
} else {
|
| 845 |
|
|
setup_count++;
|
| 846 |
|
|
return;
|
| 847 |
|
|
}
|
| 848 |
|
|
}
|
| 849 |
|
|
#endif
|
| 850 |
|
|
|
| 851 |
|
|
#if !defined(MODULE)
|
| 852 |
|
|
static int __init do_setup(char *str)
|
| 853 |
|
|
{
|
| 854 |
|
|
|
| 855 |
|
|
#if defined(AHA152X_DEBUG)
|
| 856 |
|
|
int ints[11];
|
| 857 |
|
|
#else
|
| 858 |
|
|
int ints[10];
|
| 859 |
|
|
#endif
|
| 860 |
|
|
int count=setup_count;
|
| 861 |
|
|
|
| 862 |
|
|
get_options(str, ARRAY_SIZE(ints), ints);
|
| 863 |
|
|
aha152x_setup(str,ints);
|
| 864 |
|
|
|
| 865 |
|
|
return count<setup_count;
|
| 866 |
|
|
}
|
| 867 |
|
|
|
| 868 |
|
|
__setup("aha152x=", do_setup);
|
| 869 |
|
|
#endif
|
| 870 |
|
|
|
| 871 |
|
|
/*
|
| 872 |
|
|
* Test, if port_base is valid.
|
| 873 |
|
|
*
|
| 874 |
|
|
*/
|
| 875 |
|
|
static int aha152x_porttest(int io_port)
|
| 876 |
|
|
{
|
| 877 |
|
|
int i;
|
| 878 |
|
|
|
| 879 |
|
|
if (check_region(io_port, IO_RANGE))
|
| 880 |
|
|
return 0;
|
| 881 |
|
|
|
| 882 |
|
|
SETPORT(io_port + O_DMACNTRL1, 0); /* reset stack pointer */
|
| 883 |
|
|
for (i = 0; i < 16; i++)
|
| 884 |
|
|
SETPORT(io_port + O_STACK, i);
|
| 885 |
|
|
|
| 886 |
|
|
SETPORT(io_port + O_DMACNTRL1, 0); /* reset stack pointer */
|
| 887 |
|
|
for (i = 0; i < 16 && GETPORT(io_port + O_STACK) == i; i++)
|
| 888 |
|
|
;
|
| 889 |
|
|
|
| 890 |
|
|
return (i == 16);
|
| 891 |
|
|
}
|
| 892 |
|
|
|
| 893 |
|
|
static int tc1550_porttest(int io_port)
|
| 894 |
|
|
{
|
| 895 |
|
|
int i;
|
| 896 |
|
|
|
| 897 |
|
|
if (check_region(io_port, IO_RANGE))
|
| 898 |
|
|
return 0;
|
| 899 |
|
|
|
| 900 |
|
|
SETPORT(io_port + O_TC_DMACNTRL1, 0); /* reset stack pointer */
|
| 901 |
|
|
for (i = 0; i < 16; i++)
|
| 902 |
|
|
SETPORT(io_port + O_STACK, i);
|
| 903 |
|
|
|
| 904 |
|
|
SETPORT(io_port + O_TC_DMACNTRL1, 0); /* reset stack pointer */
|
| 905 |
|
|
for (i = 0; i < 16 && GETPORT(io_port + O_TC_STACK) == i; i++)
|
| 906 |
|
|
;
|
| 907 |
|
|
|
| 908 |
|
|
return (i == 16);
|
| 909 |
|
|
}
|
| 910 |
|
|
|
| 911 |
|
|
static int checksetup(struct aha152x_setup *setup)
|
| 912 |
|
|
{
|
| 913 |
|
|
|
| 914 |
|
|
#if !defined(PCMCIA)
|
| 915 |
|
|
int i;
|
| 916 |
|
|
for (i = 0; i < ARRAY_SIZE(ports) && (setup->io_port != ports[i]); i++)
|
| 917 |
|
|
;
|
| 918 |
|
|
|
| 919 |
|
|
if (i == ARRAY_SIZE(ports))
|
| 920 |
|
|
return 0;
|
| 921 |
|
|
#endif
|
| 922 |
|
|
|
| 923 |
|
|
if(aha152x_porttest(setup->io_port)) {
|
| 924 |
|
|
setup->tc1550=0;
|
| 925 |
|
|
} else if(tc1550_porttest(setup->io_port)) {
|
| 926 |
|
|
setup->tc1550=1;
|
| 927 |
|
|
} else
|
| 928 |
|
|
return 0;
|
| 929 |
|
|
|
| 930 |
|
|
if ((setup->irq < IRQ_MIN) || (setup->irq > IRQ_MAX))
|
| 931 |
|
|
return 0;
|
| 932 |
|
|
|
| 933 |
|
|
if ((setup->scsiid < 0) || (setup->scsiid > 7))
|
| 934 |
|
|
return 0;
|
| 935 |
|
|
|
| 936 |
|
|
if ((setup->reconnect < 0) || (setup->reconnect > 1))
|
| 937 |
|
|
return 0;
|
| 938 |
|
|
|
| 939 |
|
|
if ((setup->parity < 0) || (setup->parity > 1))
|
| 940 |
|
|
return 0;
|
| 941 |
|
|
|
| 942 |
|
|
if ((setup->synchronous < 0) || (setup->synchronous > 1))
|
| 943 |
|
|
return 0;
|
| 944 |
|
|
|
| 945 |
|
|
if ((setup->ext_trans < 0) || (setup->ext_trans > 1))
|
| 946 |
|
|
return 0;
|
| 947 |
|
|
|
| 948 |
|
|
|
| 949 |
|
|
return 1;
|
| 950 |
|
|
}
|
| 951 |
|
|
|
| 952 |
|
|
static inline struct Scsi_Host *lookup_irq(int irqno)
|
| 953 |
|
|
{
|
| 954 |
|
|
int i;
|
| 955 |
|
|
|
| 956 |
|
|
for(i=0; i<ARRAY_SIZE(aha152x_host); i++)
|
| 957 |
|
|
if(aha152x_host[i] && aha152x_host[i]->irq==irqno)
|
| 958 |
|
|
return aha152x_host[i];
|
| 959 |
|
|
|
| 960 |
|
|
return 0;
|
| 961 |
|
|
}
|
| 962 |
|
|
|
| 963 |
|
|
static void swintr(int irqno, void *dev_id, struct pt_regs *regs)
|
| 964 |
|
|
{
|
| 965 |
|
|
struct Scsi_Host *shpnt = lookup_irq(irqno);
|
| 966 |
|
|
|
| 967 |
|
|
if (!shpnt) {
|
| 968 |
|
|
printk(KERN_ERR "aha152x%d: catched software interrupt %d for unknown controller.\n", HOSTNO, irqno);
|
| 969 |
|
|
return;
|
| 970 |
|
|
}
|
| 971 |
|
|
|
| 972 |
|
|
HOSTDATA(shpnt)->swint++;
|
| 973 |
|
|
|
| 974 |
|
|
SETPORT(DMACNTRL0, INTEN);
|
| 975 |
|
|
}
|
| 976 |
|
|
|
| 977 |
|
|
#ifdef __ISAPNP__
|
| 978 |
|
|
static struct pci_dev *pnpdev[2];
|
| 979 |
|
|
static int num_pnpdevs;
|
| 980 |
|
|
#endif
|
| 981 |
|
|
int aha152x_detect(Scsi_Host_Template * tpnt)
|
| 982 |
|
|
{
|
| 983 |
|
|
int i, j, ok;
|
| 984 |
|
|
#if defined(AUTOCONF)
|
| 985 |
|
|
aha152x_config conf;
|
| 986 |
|
|
#ifdef __ISAPNP__
|
| 987 |
|
|
struct pci_dev *dev = NULL;
|
| 988 |
|
|
#endif
|
| 989 |
|
|
#endif
|
| 990 |
|
|
tpnt->proc_name = "aha152x";
|
| 991 |
|
|
|
| 992 |
|
|
for (i = 0; i < ARRAY_SIZE(aha152x_host); i++)
|
| 993 |
|
|
aha152x_host[i] = (struct Scsi_Host *) NULL;
|
| 994 |
|
|
|
| 995 |
|
|
if (setup_count) {
|
| 996 |
|
|
printk(KERN_INFO "aha152x: processing commandline: ");
|
| 997 |
|
|
|
| 998 |
|
|
for (i = 0; i < setup_count; i++)
|
| 999 |
|
|
if (!checksetup(&setup[i])) {
|
| 1000 |
|
|
printk(KERN_ERR "\naha152x: %s\n", setup[i].conf);
|
| 1001 |
|
|
printk(KERN_ERR "aha152x: invalid line\n");
|
| 1002 |
|
|
}
|
| 1003 |
|
|
printk("ok\n");
|
| 1004 |
|
|
}
|
| 1005 |
|
|
|
| 1006 |
|
|
#if defined(SETUP0)
|
| 1007 |
|
|
if (setup_count < ARRAY_SIZE(setup)) {
|
| 1008 |
|
|
struct aha152x_setup override = SETUP0;
|
| 1009 |
|
|
|
| 1010 |
|
|
if (setup_count == 0 || (override.io_port != setup[0].io_port)) {
|
| 1011 |
|
|
if (!checksetup(&override)) {
|
| 1012 |
|
|
printk(KERN_ERR "\naha152x: invalid override SETUP0={0x%x,%d,%d,%d,%d,%d,%d,%d}\n",
|
| 1013 |
|
|
override.io_port,
|
| 1014 |
|
|
override.irq,
|
| 1015 |
|
|
override.scsiid,
|
| 1016 |
|
|
override.reconnect,
|
| 1017 |
|
|
override.parity,
|
| 1018 |
|
|
override.synchronous,
|
| 1019 |
|
|
override.delay,
|
| 1020 |
|
|
override.ext_trans);
|
| 1021 |
|
|
} else
|
| 1022 |
|
|
setup[setup_count++] = override;
|
| 1023 |
|
|
}
|
| 1024 |
|
|
}
|
| 1025 |
|
|
#endif
|
| 1026 |
|
|
|
| 1027 |
|
|
#if defined(SETUP1)
|
| 1028 |
|
|
if (setup_count < ARRAY_SIZE(setup)) {
|
| 1029 |
|
|
struct aha152x_setup override = SETUP1;
|
| 1030 |
|
|
|
| 1031 |
|
|
if (setup_count == 0 || (override.io_port != setup[0].io_port)) {
|
| 1032 |
|
|
if (!checksetup(&override)) {
|
| 1033 |
|
|
printk(KERN_ERR "\naha152x: invalid override SETUP1={0x%x,%d,%d,%d,%d,%d,%d,%d}\n",
|
| 1034 |
|
|
override.io_port,
|
| 1035 |
|
|
override.irq,
|
| 1036 |
|
|
override.scsiid,
|
| 1037 |
|
|
override.reconnect,
|
| 1038 |
|
|
override.parity,
|
| 1039 |
|
|
override.synchronous,
|
| 1040 |
|
|
override.delay,
|
| 1041 |
|
|
override.ext_trans);
|
| 1042 |
|
|
} else
|
| 1043 |
|
|
setup[setup_count++] = override;
|
| 1044 |
|
|
}
|
| 1045 |
|
|
}
|
| 1046 |
|
|
#endif
|
| 1047 |
|
|
|
| 1048 |
|
|
#if defined(MODULE)
|
| 1049 |
|
|
if (setup_count<ARRAY_SIZE(setup) && (aha152x[0]!=0 || io[0]!=0 || irq[0]!=0)) {
|
| 1050 |
|
|
if(aha152x[0]!=0) {
|
| 1051 |
|
|
setup[setup_count].conf = "";
|
| 1052 |
|
|
setup[setup_count].io_port = aha152x[0];
|
| 1053 |
|
|
setup[setup_count].irq = aha152x[1];
|
| 1054 |
|
|
setup[setup_count].scsiid = aha152x[2];
|
| 1055 |
|
|
setup[setup_count].reconnect = aha152x[3];
|
| 1056 |
|
|
setup[setup_count].parity = aha152x[4];
|
| 1057 |
|
|
setup[setup_count].synchronous = aha152x[5];
|
| 1058 |
|
|
setup[setup_count].delay = aha152x[6];
|
| 1059 |
|
|
setup[setup_count].ext_trans = aha152x[7];
|
| 1060 |
|
|
#if defined(AHA152X_DEBUG)
|
| 1061 |
|
|
setup[setup_count].debug = aha152x[8];
|
| 1062 |
|
|
#endif
|
| 1063 |
|
|
} else if(io[0]!=0 || irq[0]!=0) {
|
| 1064 |
|
|
if(io[0]!=0) setup[setup_count].io_port = io[0];
|
| 1065 |
|
|
if(irq[0]!=0) setup[setup_count].irq = irq[0];
|
| 1066 |
|
|
|
| 1067 |
|
|
setup[setup_count].scsiid = scsiid[0];
|
| 1068 |
|
|
setup[setup_count].reconnect = reconnect[0];
|
| 1069 |
|
|
setup[setup_count].parity = parity[0];
|
| 1070 |
|
|
setup[setup_count].synchronous = sync[0];
|
| 1071 |
|
|
setup[setup_count].delay = delay[0];
|
| 1072 |
|
|
setup[setup_count].ext_trans = exttrans[0];
|
| 1073 |
|
|
#if defined(AHA152X_DEBUG)
|
| 1074 |
|
|
setup[setup_count].debug = debug[0];
|
| 1075 |
|
|
#endif
|
| 1076 |
|
|
}
|
| 1077 |
|
|
|
| 1078 |
|
|
if (checksetup(&setup[setup_count]))
|
| 1079 |
|
|
setup_count++;
|
| 1080 |
|
|
else
|
| 1081 |
|
|
printk(KERN_ERR "aha152x: invalid module params io=0x%x, irq=%d,scsiid=%d,reconnect=%d,parity=%d,sync=%d,delay=%d,exttrans=%d\n",
|
| 1082 |
|
|
setup[setup_count].io_port,
|
| 1083 |
|
|
setup[setup_count].irq,
|
| 1084 |
|
|
setup[setup_count].scsiid,
|
| 1085 |
|
|
setup[setup_count].reconnect,
|
| 1086 |
|
|
setup[setup_count].parity,
|
| 1087 |
|
|
setup[setup_count].synchronous,
|
| 1088 |
|
|
setup[setup_count].delay,
|
| 1089 |
|
|
setup[setup_count].ext_trans);
|
| 1090 |
|
|
}
|
| 1091 |
|
|
|
| 1092 |
|
|
if (setup_count<ARRAY_SIZE(setup) && (aha152x1[0]!=0 || io[1]!=0 || irq[1]!=0)) {
|
| 1093 |
|
|
if(aha152x1[0]!=0) {
|
| 1094 |
|
|
setup[setup_count].conf = "";
|
| 1095 |
|
|
setup[setup_count].io_port = aha152x1[0];
|
| 1096 |
|
|
setup[setup_count].irq = aha152x1[1];
|
| 1097 |
|
|
setup[setup_count].scsiid = aha152x1[2];
|
| 1098 |
|
|
setup[setup_count].reconnect = aha152x1[3];
|
| 1099 |
|
|
setup[setup_count].parity = aha152x1[4];
|
| 1100 |
|
|
setup[setup_count].synchronous = aha152x1[5];
|
| 1101 |
|
|
setup[setup_count].delay = aha152x1[6];
|
| 1102 |
|
|
setup[setup_count].ext_trans = aha152x1[7];
|
| 1103 |
|
|
#if defined(AHA152X_DEBUG)
|
| 1104 |
|
|
setup[setup_count].debug = aha152x1[8];
|
| 1105 |
|
|
#endif
|
| 1106 |
|
|
} else if(io[1]!=0 || irq[1]!=0) {
|
| 1107 |
|
|
if(io[1]!=0) setup[setup_count].io_port = io[1];
|
| 1108 |
|
|
if(irq[1]!=0) setup[setup_count].irq = irq[1];
|
| 1109 |
|
|
|
| 1110 |
|
|
setup[setup_count].scsiid = scsiid[1];
|
| 1111 |
|
|
setup[setup_count].reconnect = reconnect[1];
|
| 1112 |
|
|
setup[setup_count].parity = parity[1];
|
| 1113 |
|
|
setup[setup_count].synchronous = sync[1];
|
| 1114 |
|
|
setup[setup_count].delay = delay[1];
|
| 1115 |
|
|
setup[setup_count].ext_trans = exttrans[1];
|
| 1116 |
|
|
#if defined(AHA152X_DEBUG)
|
| 1117 |
|
|
setup[setup_count].debug = debug[1];
|
| 1118 |
|
|
#endif
|
| 1119 |
|
|
}
|
| 1120 |
|
|
if (checksetup(&setup[setup_count]))
|
| 1121 |
|
|
setup_count++;
|
| 1122 |
|
|
else
|
| 1123 |
|
|
printk(KERN_ERR "aha152x: invalid module params io=0x%x, irq=%d,scsiid=%d,reconnect=%d,parity=%d,sync=%d,delay=%d,exttrans=%d\n",
|
| 1124 |
|
|
setup[setup_count].io_port,
|
| 1125 |
|
|
setup[setup_count].irq,
|
| 1126 |
|
|
setup[setup_count].scsiid,
|
| 1127 |
|
|
setup[setup_count].reconnect,
|
| 1128 |
|
|
setup[setup_count].parity,
|
| 1129 |
|
|
setup[setup_count].synchronous,
|
| 1130 |
|
|
setup[setup_count].delay,
|
| 1131 |
|
|
setup[setup_count].ext_trans);
|
| 1132 |
|
|
}
|
| 1133 |
|
|
#endif
|
| 1134 |
|
|
|
| 1135 |
|
|
#ifdef __ISAPNP__
|
| 1136 |
|
|
while ( setup_count<ARRAY_SIZE(setup) && (dev=isapnp_find_dev(NULL, ISAPNP_VENDOR('A','D','P'), ISAPNP_FUNCTION(0x1505), dev)) ) {
|
| 1137 |
|
|
if (dev->prepare(dev) < 0)
|
| 1138 |
|
|
continue;
|
| 1139 |
|
|
if (dev->active)
|
| 1140 |
|
|
continue;
|
| 1141 |
|
|
if (!(dev->resource[0].flags & IORESOURCE_IO))
|
| 1142 |
|
|
continue;
|
| 1143 |
|
|
dev->resource[0].flags |= IORESOURCE_AUTO;
|
| 1144 |
|
|
if (dev->activate(dev) < 0)
|
| 1145 |
|
|
continue;
|
| 1146 |
|
|
if ( setup_count==1 && dev->resource[0].start==setup[0].io_port) {
|
| 1147 |
|
|
dev->deactivate(dev);
|
| 1148 |
|
|
continue;
|
| 1149 |
|
|
}
|
| 1150 |
|
|
setup[setup_count].io_port = dev->resource[0].start;
|
| 1151 |
|
|
setup[setup_count].irq = dev->irq_resource[0].start;
|
| 1152 |
|
|
setup[setup_count].scsiid = 7;
|
| 1153 |
|
|
setup[setup_count].reconnect = 1;
|
| 1154 |
|
|
setup[setup_count].parity = 1;
|
| 1155 |
|
|
setup[setup_count].synchronous = 1;
|
| 1156 |
|
|
setup[setup_count].delay = DELAY_DEFAULT;
|
| 1157 |
|
|
setup[setup_count].ext_trans = 0;
|
| 1158 |
|
|
#if defined(AHA152X_DEBUG)
|
| 1159 |
|
|
setup[setup_count].debug = DEBUG_DEFAULT;
|
| 1160 |
|
|
#endif
|
| 1161 |
|
|
pnpdev[num_pnpdevs++] = dev;
|
| 1162 |
|
|
printk (KERN_INFO
|
| 1163 |
|
|
"aha152x: found ISAPnP AVA-1505A at io=0x%03x, irq=%d\n",
|
| 1164 |
|
|
setup[setup_count].io_port, setup[setup_count].irq);
|
| 1165 |
|
|
setup_count++;
|
| 1166 |
|
|
}
|
| 1167 |
|
|
#endif
|
| 1168 |
|
|
|
| 1169 |
|
|
|
| 1170 |
|
|
#if defined(AUTOCONF)
|
| 1171 |
|
|
if (setup_count<ARRAY_SIZE(setup)) {
|
| 1172 |
|
|
#if !defined(SKIP_BIOSTEST)
|
| 1173 |
|
|
ok = 0;
|
| 1174 |
|
|
for (i = 0; i < ARRAY_SIZE(addresses) && !ok; i++)
|
| 1175 |
|
|
for (j = 0; j<ARRAY_SIZE(signatures) && !ok; j++)
|
| 1176 |
|
|
ok = isa_check_signature(addresses[i] + signatures[j].sig_offset,
|
| 1177 |
|
|
signatures[j].signature, signatures[j].sig_length);
|
| 1178 |
|
|
|
| 1179 |
|
|
if (!ok && setup_count == 0)
|
| 1180 |
|
|
return 0;
|
| 1181 |
|
|
|
| 1182 |
|
|
printk(KERN_INFO "aha152x: BIOS test: passed, ");
|
| 1183 |
|
|
#else
|
| 1184 |
|
|
printk(KERN_INFO "aha152x: ");
|
| 1185 |
|
|
#endif /* !SKIP_BIOSTEST */
|
| 1186 |
|
|
|
| 1187 |
|
|
ok = 0;
|
| 1188 |
|
|
for (i = 0; i < ARRAY_SIZE(ports) && setup_count < 2; i++) {
|
| 1189 |
|
|
if ((setup_count == 1) && (setup[0].io_port == ports[i]))
|
| 1190 |
|
|
continue;
|
| 1191 |
|
|
|
| 1192 |
|
|
if (aha152x_porttest(ports[i])) {
|
| 1193 |
|
|
ok++;
|
| 1194 |
|
|
setup[setup_count].io_port = ports[i];
|
| 1195 |
|
|
setup[setup_count].tc1550 = 0;
|
| 1196 |
|
|
|
| 1197 |
|
|
conf.cf_port =
|
| 1198 |
|
|
(GETPORT(ports[i] + O_PORTA) << 8) + GETPORT(ports[i] + O_PORTB);
|
| 1199 |
|
|
|
| 1200 |
|
|
setup[setup_count].irq = IRQ_MIN + conf.cf_irq;
|
| 1201 |
|
|
setup[setup_count].scsiid = conf.cf_id;
|
| 1202 |
|
|
setup[setup_count].reconnect = conf.cf_tardisc;
|
| 1203 |
|
|
setup[setup_count].parity = !conf.cf_parity;
|
| 1204 |
|
|
setup[setup_count].synchronous = conf.cf_syncneg;
|
| 1205 |
|
|
setup[setup_count].delay = DELAY_DEFAULT;
|
| 1206 |
|
|
setup[setup_count].ext_trans = 0;
|
| 1207 |
|
|
#if defined(AHA152X_DEBUG)
|
| 1208 |
|
|
setup[setup_count].debug = DEBUG_DEFAULT;
|
| 1209 |
|
|
#endif
|
| 1210 |
|
|
setup_count++;
|
| 1211 |
|
|
} else if (tc1550_porttest(ports[i])) {
|
| 1212 |
|
|
ok++;
|
| 1213 |
|
|
setup[setup_count].io_port = ports[i];
|
| 1214 |
|
|
setup[setup_count].tc1550 = 1;
|
| 1215 |
|
|
|
| 1216 |
|
|
conf.cf_port =
|
| 1217 |
|
|
(GETPORT(ports[i] + O_PORTA) << 8) + GETPORT(ports[i] + O_PORTB);
|
| 1218 |
|
|
|
| 1219 |
|
|
setup[setup_count].irq = IRQ_MIN + conf.cf_irq;
|
| 1220 |
|
|
setup[setup_count].scsiid = conf.cf_id;
|
| 1221 |
|
|
setup[setup_count].reconnect = conf.cf_tardisc;
|
| 1222 |
|
|
setup[setup_count].parity = !conf.cf_parity;
|
| 1223 |
|
|
setup[setup_count].synchronous = conf.cf_syncneg;
|
| 1224 |
|
|
setup[setup_count].delay = DELAY_DEFAULT;
|
| 1225 |
|
|
setup[setup_count].ext_trans = 0;
|
| 1226 |
|
|
#if defined(AHA152X_DEBUG)
|
| 1227 |
|
|
setup[setup_count].debug = DEBUG_DEFAULT;
|
| 1228 |
|
|
#endif
|
| 1229 |
|
|
setup_count++;
|
| 1230 |
|
|
}
|
| 1231 |
|
|
}
|
| 1232 |
|
|
|
| 1233 |
|
|
if (ok)
|
| 1234 |
|
|
printk("auto configuration: ok, ");
|
| 1235 |
|
|
}
|
| 1236 |
|
|
#endif
|
| 1237 |
|
|
|
| 1238 |
|
|
printk("detected %d controller(s)\n", setup_count);
|
| 1239 |
|
|
|
| 1240 |
|
|
for (i=0; i<setup_count; i++) {
|
| 1241 |
|
|
struct Scsi_Host *shpnt;
|
| 1242 |
|
|
|
| 1243 |
|
|
aha152x_host[registered_count] = shpnt =
|
| 1244 |
|
|
scsi_register(tpnt, sizeof(struct aha152x_hostdata));
|
| 1245 |
|
|
|
| 1246 |
|
|
if(!shpnt) {
|
| 1247 |
|
|
printk(KERN_ERR "aha152x: scsi_register failed\n");
|
| 1248 |
|
|
continue;
|
| 1249 |
|
|
}
|
| 1250 |
|
|
|
| 1251 |
|
|
registered_count++;
|
| 1252 |
|
|
|
| 1253 |
|
|
shpnt->io_port = setup[i].io_port;
|
| 1254 |
|
|
shpnt->n_io_port = IO_RANGE;
|
| 1255 |
|
|
shpnt->irq = setup[i].irq;
|
| 1256 |
|
|
|
| 1257 |
|
|
if(!setup[i].tc1550) {
|
| 1258 |
|
|
HOSTIOPORT0 = setup[i].io_port;
|
| 1259 |
|
|
HOSTIOPORT1 = setup[i].io_port;
|
| 1260 |
|
|
} else {
|
| 1261 |
|
|
HOSTIOPORT0 = setup[i].io_port+0x10;
|
| 1262 |
|
|
HOSTIOPORT1 = setup[i].io_port-0x10;
|
| 1263 |
|
|
}
|
| 1264 |
|
|
|
| 1265 |
|
|
ISSUE_SC = 0;
|
| 1266 |
|
|
CURRENT_SC = 0;
|
| 1267 |
|
|
DONE_SC = 0;
|
| 1268 |
|
|
DISCONNECTED_SC = 0;
|
| 1269 |
|
|
|
| 1270 |
|
|
QLOCK = SPIN_LOCK_UNLOCKED;
|
| 1271 |
|
|
|
| 1272 |
|
|
STATE = 0;
|
| 1273 |
|
|
PREVSTATE = 0;
|
| 1274 |
|
|
LASTSTATE = 0;
|
| 1275 |
|
|
|
| 1276 |
|
|
MSGILEN = 0;
|
| 1277 |
|
|
MSGOLEN = 0;
|
| 1278 |
|
|
|
| 1279 |
|
|
RECONNECT = setup[i].reconnect;
|
| 1280 |
|
|
SYNCHRONOUS = setup[i].synchronous;
|
| 1281 |
|
|
PARITY = setup[i].parity;
|
| 1282 |
|
|
DELAY = setup[i].delay;
|
| 1283 |
|
|
EXT_TRANS = setup[i].ext_trans;
|
| 1284 |
|
|
#if defined(AHA152X_DEBUG)
|
| 1285 |
|
|
HOSTDATA(shpnt)->debug = setup[i].debug;
|
| 1286 |
|
|
#endif
|
| 1287 |
|
|
HOSTDATA(shpnt)->in_intr = 0;
|
| 1288 |
|
|
HOSTDATA(shpnt)->commands = 0;
|
| 1289 |
|
|
|
| 1290 |
|
|
#if defined(AHA152X_STAT)
|
| 1291 |
|
|
HOSTDATA(shpnt)->total_commands=0;
|
| 1292 |
|
|
HOSTDATA(shpnt)->disconnections=0;
|
| 1293 |
|
|
HOSTDATA(shpnt)->busfree_without_any_action=0;
|
| 1294 |
|
|
HOSTDATA(shpnt)->busfree_without_old_command=0;
|
| 1295 |
|
|
HOSTDATA(shpnt)->busfree_without_new_command=0;
|
| 1296 |
|
|
HOSTDATA(shpnt)->busfree_without_done_command=0;
|
| 1297 |
|
|
HOSTDATA(shpnt)->busfree_with_check_condition=0;
|
| 1298 |
|
|
for (j = idle; j<maxstate; j++) {
|
| 1299 |
|
|
HOSTDATA(shpnt)->count[j]=0;
|
| 1300 |
|
|
HOSTDATA(shpnt)->count_trans[j]=0;
|
| 1301 |
|
|
HOSTDATA(shpnt)->time[j]=0;
|
| 1302 |
|
|
}
|
| 1303 |
|
|
#endif
|
| 1304 |
|
|
|
| 1305 |
|
|
for (j = 0; j < 8; j++) {
|
| 1306 |
|
|
HOSTDATA(shpnt)->syncrate[j] = 0;
|
| 1307 |
|
|
HOSTDATA(shpnt)->syncneg[j] = 0;
|
| 1308 |
|
|
}
|
| 1309 |
|
|
|
| 1310 |
|
|
SETPORT(SCSIID, setup[i].scsiid << 4);
|
| 1311 |
|
|
shpnt->this_id = setup[i].scsiid;
|
| 1312 |
|
|
|
| 1313 |
|
|
if (setup[i].reconnect)
|
| 1314 |
|
|
shpnt->can_queue = AHA152X_MAXQUEUE;
|
| 1315 |
|
|
|
| 1316 |
|
|
/* RESET OUT */
|
| 1317 |
|
|
printk("aha152x: resetting bus...\n");
|
| 1318 |
|
|
SETPORT(SCSISEQ, SCSIRSTO);
|
| 1319 |
|
|
mdelay(256);
|
| 1320 |
|
|
SETPORT(SCSISEQ, 0);
|
| 1321 |
|
|
mdelay(DELAY);
|
| 1322 |
|
|
|
| 1323 |
|
|
reset_ports(shpnt);
|
| 1324 |
|
|
|
| 1325 |
|
|
printk(KERN_INFO
|
| 1326 |
|
|
"aha152x%d%s: "
|
| 1327 |
|
|
"vital data: rev=%x, "
|
| 1328 |
|
|
"io=0x%03lx (0x%03lx/0x%03lx), "
|
| 1329 |
|
|
"irq=%d, "
|
| 1330 |
|
|
"scsiid=%d, "
|
| 1331 |
|
|
"reconnect=%s, "
|
| 1332 |
|
|
"parity=%s, "
|
| 1333 |
|
|
"synchronous=%s, "
|
| 1334 |
|
|
"delay=%d, "
|
| 1335 |
|
|
"extended translation=%s\n",
|
| 1336 |
|
|
HOSTNO, setup[i].tc1550 ? " (tc1550 mode)" : "",
|
| 1337 |
|
|
GETPORT(REV) & 0x7,
|
| 1338 |
|
|
shpnt->io_port, HOSTIOPORT0, HOSTIOPORT1,
|
| 1339 |
|
|
shpnt->irq,
|
| 1340 |
|
|
shpnt->this_id,
|
| 1341 |
|
|
RECONNECT ? "enabled" : "disabled",
|
| 1342 |
|
|
PARITY ? "enabled" : "disabled",
|
| 1343 |
|
|
SYNCHRONOUS ? "enabled" : "disabled",
|
| 1344 |
|
|
DELAY,
|
| 1345 |
|
|
EXT_TRANS ? "enabled" : "disabled");
|
| 1346 |
|
|
|
| 1347 |
|
|
request_region(shpnt->io_port, IO_RANGE, "aha152x");
|
| 1348 |
|
|
|
| 1349 |
|
|
/* not expecting any interrupts */
|
| 1350 |
|
|
SETPORT(SIMODE0, 0);
|
| 1351 |
|
|
SETPORT(SIMODE1, 0);
|
| 1352 |
|
|
|
| 1353 |
|
|
ok = request_irq(shpnt->irq, swintr, SA_INTERRUPT|SA_SHIRQ, "aha152x", shpnt);
|
| 1354 |
|
|
if (ok < 0) {
|
| 1355 |
|
|
if (ok==-EINVAL)
|
| 1356 |
|
|
printk(KERN_ERR "aha152x%d: bad IRQ %d.\n", HOSTNO, shpnt->irq);
|
| 1357 |
|
|
else if(ok==-EBUSY)
|
| 1358 |
|
|
printk(KERN_ERR "aha152x%d: IRQ %d already in use.\n", HOSTNO, shpnt->irq);
|
| 1359 |
|
|
else
|
| 1360 |
|
|
printk(KERN_ERR "aha152x%d: Unexpected error code %d on requesting IRQ %d.\n", HOSTNO, ok, shpnt->irq);
|
| 1361 |
|
|
|
| 1362 |
|
|
printk(KERN_ERR "aha152x%d: driver needs an IRQ.\n", HOSTNO);
|
| 1363 |
|
|
|
| 1364 |
|
|
scsi_unregister(shpnt);
|
| 1365 |
|
|
registered_count--;
|
| 1366 |
|
|
release_region(shpnt->io_port, IO_RANGE);
|
| 1367 |
|
|
aha152x_host[registered_count] = 0;
|
| 1368 |
|
|
shpnt = 0;
|
| 1369 |
|
|
continue;
|
| 1370 |
|
|
}
|
| 1371 |
|
|
HOSTDATA(shpnt)->swint = 0;
|
| 1372 |
|
|
|
| 1373 |
|
|
printk(KERN_INFO "aha152x%d: trying software interrupt, ", HOSTNO);
|
| 1374 |
|
|
SETPORT(DMACNTRL0, SWINT|INTEN);
|
| 1375 |
|
|
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
|
| 1376 |
|
|
spin_unlock_irq(&io_request_lock);
|
| 1377 |
|
|
#endif
|
| 1378 |
|
|
mdelay(1000);
|
| 1379 |
|
|
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
|
| 1380 |
|
|
spin_lock_irq(&io_request_lock);
|
| 1381 |
|
|
#endif
|
| 1382 |
|
|
free_irq(shpnt->irq, shpnt);
|
| 1383 |
|
|
|
| 1384 |
|
|
if (!HOSTDATA(shpnt)->swint) {
|
| 1385 |
|
|
if (TESTHI(DMASTAT, INTSTAT)) {
|
| 1386 |
|
|
printk("lost.\n");
|
| 1387 |
|
|
} else {
|
| 1388 |
|
|
printk("failed.\n");
|
| 1389 |
|
|
}
|
| 1390 |
|
|
|
| 1391 |
|
|
SETPORT(DMACNTRL0, INTEN);
|
| 1392 |
|
|
|
| 1393 |
|
|
printk(KERN_ERR "aha152x%d: IRQ %d possibly wrong. Please verify.\n", HOSTNO, shpnt->irq);
|
| 1394 |
|
|
|
| 1395 |
|
|
registered_count--;
|
| 1396 |
|
|
release_region(shpnt->io_port, IO_RANGE);
|
| 1397 |
|
|
aha152x_host[registered_count] = 0;
|
| 1398 |
|
|
scsi_unregister(shpnt);
|
| 1399 |
|
|
shpnt=NULL;
|
| 1400 |
|
|
continue;
|
| 1401 |
|
|
}
|
| 1402 |
|
|
printk("ok.\n");
|
| 1403 |
|
|
|
| 1404 |
|
|
|
| 1405 |
|
|
/* clear interrupts */
|
| 1406 |
|
|
SETPORT(SSTAT0, 0x7f);
|
| 1407 |
|
|
SETPORT(SSTAT1, 0xef);
|
| 1408 |
|
|
|
| 1409 |
|
|
if (request_irq(shpnt->irq, intr, SA_INTERRUPT|SA_SHIRQ, "aha152x", shpnt) < 0) {
|
| 1410 |
|
|
printk(KERN_ERR "aha152x%d: failed to reassign interrupt.\n", HOSTNO);
|
| 1411 |
|
|
|
| 1412 |
|
|
registered_count--;
|
| 1413 |
|
|
release_region(shpnt->io_port, IO_RANGE);
|
| 1414 |
|
|
aha152x_host[registered_count] = 0;
|
| 1415 |
|
|
scsi_unregister(shpnt);
|
| 1416 |
|
|
shpnt=NULL;
|
| 1417 |
|
|
continue;
|
| 1418 |
|
|
}
|
| 1419 |
|
|
}
|
| 1420 |
|
|
|
| 1421 |
|
|
return registered_count>0;
|
| 1422 |
|
|
}
|
| 1423 |
|
|
|
| 1424 |
|
|
|
| 1425 |
|
|
int aha152x_release(struct Scsi_Host *shpnt)
|
| 1426 |
|
|
{
|
| 1427 |
|
|
if (shpnt->irq)
|
| 1428 |
|
|
free_irq(shpnt->irq, shpnt);
|
| 1429 |
|
|
|
| 1430 |
|
|
if (shpnt->io_port)
|
| 1431 |
|
|
release_region(shpnt->io_port, IO_RANGE);
|
| 1432 |
|
|
|
| 1433 |
|
|
#ifdef __ISAPNP__
|
| 1434 |
|
|
while (num_pnpdevs--)
|
| 1435 |
|
|
pnpdev[num_pnpdevs]->deactivate(pnpdev[num_pnpdevs]);
|
| 1436 |
|
|
#endif
|
| 1437 |
|
|
scsi_unregister(shpnt);
|
| 1438 |
|
|
|
| 1439 |
|
|
return 0;
|
| 1440 |
|
|
}
|
| 1441 |
|
|
|
| 1442 |
|
|
/*
|
| 1443 |
|
|
* setup controller to generate interrupts depending
|
| 1444 |
|
|
* on current state (lock has to be acquired)
|
| 1445 |
|
|
*
|
| 1446 |
|
|
*/
|
| 1447 |
|
|
static int setup_expected_interrupts(struct Scsi_Host *shpnt)
|
| 1448 |
|
|
{
|
| 1449 |
|
|
ASSERT_LOCK(&QLOCK,1);
|
| 1450 |
|
|
|
| 1451 |
|
|
if(CURRENT_SC) {
|
| 1452 |
|
|
CURRENT_SC->SCp.phase |= 1 << 16;
|
| 1453 |
|
|
|
| 1454 |
|
|
if(CURRENT_SC->SCp.phase & selecting) {
|
| 1455 |
|
|
DPRINTK(debug_intr, DEBUG_LEAD "expecting: (seldo) (seltimo) (seldi)\n", CMDINFO(CURRENT_SC));
|
| 1456 |
|
|
SETPORT(SSTAT1, SELTO);
|
| 1457 |
|
|
SETPORT(SIMODE0, ENSELDO | (DISCONNECTED_SC ? ENSELDI : 0));
|
| 1458 |
|
|
SETPORT(SIMODE1, ENSELTIMO);
|
| 1459 |
|
|
} else {
|
| 1460 |
|
|
DPRINTK(debug_intr, DEBUG_LEAD "expecting: (phase change) (busfree) %s\n", CMDINFO(CURRENT_SC), CURRENT_SC->SCp.phase & spiordy ? "(spiordy)" : "");
|
| 1461 |
|
|
SETPORT(SIMODE0, (CURRENT_SC->SCp.phase & spiordy) ? ENSPIORDY : 0);
|
| 1462 |
|
|
SETPORT(SIMODE1, ENPHASEMIS | ENSCSIRST | ENSCSIPERR | ENBUSFREE);
|
| 1463 |
|
|
}
|
| 1464 |
|
|
} else if(STATE==seldi) {
|
| 1465 |
|
|
DPRINTK(debug_intr, DEBUG_LEAD "expecting: (phase change) (identify)\n", CMDINFO(CURRENT_SC));
|
| 1466 |
|
|
SETPORT(SIMODE0, 0);
|
| 1467 |
|
|
SETPORT(SIMODE1, ENPHASEMIS | ENSCSIRST | ENSCSIPERR | ENBUSFREE);
|
| 1468 |
|
|
} else {
|
| 1469 |
|
|
DPRINTK(debug_intr, DEBUG_LEAD "expecting: %s %s\n",
|
| 1470 |
|
|
CMDINFO(CURRENT_SC),
|
| 1471 |
|
|
DISCONNECTED_SC ? "(reselection)" : "",
|
| 1472 |
|
|
ISSUE_SC ? "(busfree)" : "");
|
| 1473 |
|
|
SETPORT(SIMODE0, DISCONNECTED_SC ? ENSELDI : 0);
|
| 1474 |
|
|
SETPORT(SIMODE1, ENSCSIRST | ( (ISSUE_SC||DONE_SC) ? ENBUSFREE : 0));
|
| 1475 |
|
|
}
|
| 1476 |
|
|
|
| 1477 |
|
|
if(!HOSTDATA(shpnt)->in_intr)
|
| 1478 |
|
|
SETBITS(DMACNTRL0, INTEN);
|
| 1479 |
|
|
|
| 1480 |
|
|
return TESTHI(DMASTAT, INTSTAT);
|
| 1481 |
|
|
}
|
| 1482 |
|
|
|
| 1483 |
|
|
|
| 1484 |
|
|
/*
|
| 1485 |
|
|
* Queue a command and setup interrupts for a free bus.
|
| 1486 |
|
|
*/
|
| 1487 |
|
|
int aha152x_internal_queue(Scsi_Cmnd *SCpnt, struct semaphore *sem, int phase, Scsi_Cmnd *done_SC, void (*done)(Scsi_Cmnd *))
|
| 1488 |
|
|
{
|
| 1489 |
|
|
struct Scsi_Host *shpnt = SCpnt->host;
|
| 1490 |
|
|
unsigned long flags;
|
| 1491 |
|
|
|
| 1492 |
|
|
#if defined(AHA152X_DEBUG)
|
| 1493 |
|
|
if (HOSTDATA(shpnt)->debug & debug_queue) {
|
| 1494 |
|
|
printk(INFO_LEAD "queue: cmd_len=%d pieces=%d size=%u cmnd=",
|
| 1495 |
|
|
CMDINFO(SCpnt), SCpnt->cmd_len, SCpnt->use_sg, SCpnt->request_bufflen);
|
| 1496 |
|
|
print_command(SCpnt->cmnd);
|
| 1497 |
|
|
}
|
| 1498 |
|
|
#endif
|
| 1499 |
|
|
|
| 1500 |
|
|
SCpnt->scsi_done = done;
|
| 1501 |
|
|
SCpnt->resid = SCpnt->request_bufflen;
|
| 1502 |
|
|
SCpnt->SCp.phase = not_issued | phase;
|
| 1503 |
|
|
SCpnt->SCp.Status = CHECK_CONDITION;
|
| 1504 |
|
|
SCpnt->SCp.Message = 0;
|
| 1505 |
|
|
SCpnt->SCp.have_data_in = 0;
|
| 1506 |
|
|
SCpnt->SCp.sent_command = 0;
|
| 1507 |
|
|
SCpnt->host_scribble = kmalloc(sizeof(struct aha152x_scdata), GFP_ATOMIC);
|
| 1508 |
|
|
if(!SCpnt->host_scribble) {
|
| 1509 |
|
|
printk(ERR_LEAD "allocation failed\n", CMDINFO(SCpnt));
|
| 1510 |
|
|
return FAILED;
|
| 1511 |
|
|
}
|
| 1512 |
|
|
|
| 1513 |
|
|
SCNEXT(SCpnt) = 0;
|
| 1514 |
|
|
SCDONE(SCpnt) = done_SC;
|
| 1515 |
|
|
SCSEM(SCpnt) = sem;
|
| 1516 |
|
|
|
| 1517 |
|
|
/* setup scratch area
|
| 1518 |
|
|
SCp.ptr : buffer pointer
|
| 1519 |
|
|
SCp.this_residual : buffer length
|
| 1520 |
|
|
SCp.buffer : next buffer
|
| 1521 |
|
|
SCp.buffers_residual : left buffers in list
|
| 1522 |
|
|
SCp.phase : current state of the command */
|
| 1523 |
|
|
if (SCpnt->use_sg) {
|
| 1524 |
|
|
SCpnt->SCp.buffer = (struct scatterlist *) SCpnt->request_buffer;
|
| 1525 |
|
|
SCpnt->SCp.ptr = SG_ADDRESS(SCpnt->SCp.buffer);
|
| 1526 |
|
|
SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
|
| 1527 |
|
|
SCpnt->SCp.buffers_residual = SCpnt->use_sg - 1;
|
| 1528 |
|
|
} else {
|
| 1529 |
|
|
SCpnt->SCp.ptr = (char *) SCpnt->request_buffer;
|
| 1530 |
|
|
SCpnt->SCp.this_residual = SCpnt->request_bufflen;
|
| 1531 |
|
|
SCpnt->SCp.buffer = NULL;
|
| 1532 |
|
|
SCpnt->SCp.buffers_residual = 0;
|
| 1533 |
|
|
}
|
| 1534 |
|
|
|
| 1535 |
|
|
DO_LOCK(flags);
|
| 1536 |
|
|
|
| 1537 |
|
|
#if defined(AHA152X_STAT)
|
| 1538 |
|
|
HOSTDATA(shpnt)->total_commands++;
|
| 1539 |
|
|
#endif
|
| 1540 |
|
|
|
| 1541 |
|
|
/* Turn led on, when this is the first command. */
|
| 1542 |
|
|
HOSTDATA(shpnt)->commands++;
|
| 1543 |
|
|
if (HOSTDATA(shpnt)->commands==1)
|
| 1544 |
|
|
SETPORT(PORTA, 1);
|
| 1545 |
|
|
|
| 1546 |
|
|
append_SC(&ISSUE_SC, SCpnt);
|
| 1547 |
|
|
|
| 1548 |
|
|
if(!HOSTDATA(shpnt)->in_intr)
|
| 1549 |
|
|
setup_expected_interrupts(shpnt);
|
| 1550 |
|
|
|
| 1551 |
|
|
DO_UNLOCK(flags);
|
| 1552 |
|
|
|
| 1553 |
|
|
return 0;
|
| 1554 |
|
|
}
|
| 1555 |
|
|
|
| 1556 |
|
|
int aha152x_queue(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *))
|
| 1557 |
|
|
{
|
| 1558 |
|
|
#if 0
|
| 1559 |
|
|
if(*SCpnt->cmnd == REQUEST_SENSE) {
|
| 1560 |
|
|
SCpnt->result = 0;
|
| 1561 |
|
|
done(SCpnt);
|
| 1562 |
|
|
|
| 1563 |
|
|
return 0;
|
| 1564 |
|
|
}
|
| 1565 |
|
|
#endif
|
| 1566 |
|
|
|
| 1567 |
|
|
return aha152x_internal_queue(SCpnt, 0, 0, 0, done);
|
| 1568 |
|
|
}
|
| 1569 |
|
|
|
| 1570 |
|
|
|
| 1571 |
|
|
/*
|
| 1572 |
|
|
* run a command
|
| 1573 |
|
|
*
|
| 1574 |
|
|
*/
|
| 1575 |
|
|
void internal_done(Scsi_Cmnd *SCpnt)
|
| 1576 |
|
|
{
|
| 1577 |
|
|
#if 0
|
| 1578 |
|
|
struct Scsi_Host *shpnt = SCpnt->host;
|
| 1579 |
|
|
|
| 1580 |
|
|
DPRINTK(debug_eh, INFO_LEAD "internal_done called\n", CMDINFO(SCpnt));
|
| 1581 |
|
|
#endif
|
| 1582 |
|
|
if(SCSEM(SCpnt))
|
| 1583 |
|
|
up(SCSEM(SCpnt));
|
| 1584 |
|
|
}
|
| 1585 |
|
|
|
| 1586 |
|
|
int aha152x_command(Scsi_Cmnd * SCpnt)
|
| 1587 |
|
|
{
|
| 1588 |
|
|
DECLARE_MUTEX_LOCKED(sem);
|
| 1589 |
|
|
|
| 1590 |
|
|
aha152x_internal_queue(SCpnt, &sem, 0, 0, internal_done);
|
| 1591 |
|
|
down(&sem);
|
| 1592 |
|
|
|
| 1593 |
|
|
return SUCCESS;
|
| 1594 |
|
|
}
|
| 1595 |
|
|
|
| 1596 |
|
|
/*
|
| 1597 |
|
|
* Abort a command
|
| 1598 |
|
|
*
|
| 1599 |
|
|
*/
|
| 1600 |
|
|
int aha152x_abort(Scsi_Cmnd *SCpnt)
|
| 1601 |
|
|
{
|
| 1602 |
|
|
struct Scsi_Host *shpnt = SCpnt->host;
|
| 1603 |
|
|
Scsi_Cmnd *ptr;
|
| 1604 |
|
|
unsigned long flags;
|
| 1605 |
|
|
|
| 1606 |
|
|
if(!shpnt) {
|
| 1607 |
|
|
printk(ERR_LEAD "abort(%p): no host structure\n", CMDINFO(SCpnt), SCpnt);
|
| 1608 |
|
|
return FAILED;
|
| 1609 |
|
|
}
|
| 1610 |
|
|
|
| 1611 |
|
|
#if defined(AHA152X_DEBUG)
|
| 1612 |
|
|
if(HOSTDATA(shpnt)->debug & debug_eh) {
|
| 1613 |
|
|
printk(DEBUG_LEAD "abort(%p)", CMDINFO(SCpnt), SCpnt);
|
| 1614 |
|
|
show_queues(shpnt);
|
| 1615 |
|
|
}
|
| 1616 |
|
|
#endif
|
| 1617 |
|
|
|
| 1618 |
|
|
DO_LOCK(flags);
|
| 1619 |
|
|
|
| 1620 |
|
|
ptr=remove_SC(&ISSUE_SC, SCpnt);
|
| 1621 |
|
|
|
| 1622 |
|
|
if(ptr) {
|
| 1623 |
|
|
DPRINTK(debug_eh, DEBUG_LEAD "not yet issued - SUCCESS\n", CMDINFO(SCpnt));
|
| 1624 |
|
|
|
| 1625 |
|
|
HOSTDATA(shpnt)->commands--;
|
| 1626 |
|
|
if (!HOSTDATA(shpnt)->commands)
|
| 1627 |
|
|
SETPORT(PORTA, 0);
|
| 1628 |
|
|
DO_UNLOCK(flags);
|
| 1629 |
|
|
|
| 1630 |
|
|
kfree(SCpnt->host_scribble);
|
| 1631 |
|
|
SCpnt->host_scribble=0;
|
| 1632 |
|
|
|
| 1633 |
|
|
return SUCCESS;
|
| 1634 |
|
|
}
|
| 1635 |
|
|
|
| 1636 |
|
|
DO_UNLOCK(flags);
|
| 1637 |
|
|
|
| 1638 |
|
|
/*
|
| 1639 |
|
|
* FIXME:
|
| 1640 |
|
|
* for current command: queue ABORT for message out and raise ATN
|
| 1641 |
|
|
* for disconnected command: pseudo SC with ABORT message or ABORT on reselection?
|
| 1642 |
|
|
*
|
| 1643 |
|
|
*/
|
| 1644 |
|
|
|
| 1645 |
|
|
printk(ERR_LEAD "cannot abort running or disconnected command\n", CMDINFO(SCpnt));
|
| 1646 |
|
|
|
| 1647 |
|
|
return FAILED;
|
| 1648 |
|
|
}
|
| 1649 |
|
|
|
| 1650 |
|
|
static void timer_expired(unsigned long p)
|
| 1651 |
|
|
{
|
| 1652 |
|
|
Scsi_Cmnd *SCp = (Scsi_Cmnd *)p;
|
| 1653 |
|
|
struct semaphore *sem = SCSEM(SCp);
|
| 1654 |
|
|
struct Scsi_Host *shpnt = SCp->host;
|
| 1655 |
|
|
|
| 1656 |
|
|
/* remove command from issue queue */
|
| 1657 |
|
|
if(remove_SC(&ISSUE_SC, SCp)) {
|
| 1658 |
|
|
printk(KERN_INFO "aha152x: ABORT timed out - removed from issue queue\n");
|
| 1659 |
|
|
kfree(SCp->host_scribble);
|
| 1660 |
|
|
SCp->host_scribble=0;
|
| 1661 |
|
|
} else {
|
| 1662 |
|
|
printk(KERN_INFO "aha152x: ABORT timed out - not on issue queue\n");
|
| 1663 |
|
|
}
|
| 1664 |
|
|
|
| 1665 |
|
|
up(sem);
|
| 1666 |
|
|
}
|
| 1667 |
|
|
|
| 1668 |
|
|
/*
|
| 1669 |
|
|
* Reset a device
|
| 1670 |
|
|
*
|
| 1671 |
|
|
* FIXME: never seen this live. might lockup...
|
| 1672 |
|
|
*
|
| 1673 |
|
|
*/
|
| 1674 |
|
|
int aha152x_device_reset(Scsi_Cmnd * SCpnt)
|
| 1675 |
|
|
{
|
| 1676 |
|
|
struct Scsi_Host *shpnt = SCpnt->host;
|
| 1677 |
|
|
DECLARE_MUTEX_LOCKED(sem);
|
| 1678 |
|
|
struct timer_list timer;
|
| 1679 |
|
|
Scsi_Cmnd cmnd;
|
| 1680 |
|
|
|
| 1681 |
|
|
#if defined(AHA152X_DEBUG)
|
| 1682 |
|
|
if(HOSTDATA(shpnt)->debug & debug_eh) {
|
| 1683 |
|
|
printk(INFO_LEAD "aha152x_device_reset(%p)", CMDINFO(SCpnt), SCpnt);
|
| 1684 |
|
|
show_queues(shpnt);
|
| 1685 |
|
|
}
|
| 1686 |
|
|
#endif
|
| 1687 |
|
|
|
| 1688 |
|
|
if(CURRENT_SC==SCpnt) {
|
| 1689 |
|
|
printk(ERR_LEAD "cannot reset current device\n", CMDINFO(SCpnt));
|
| 1690 |
|
|
return FAILED;
|
| 1691 |
|
|
}
|
| 1692 |
|
|
|
| 1693 |
|
|
cmnd.cmd_len = 0;
|
| 1694 |
|
|
cmnd.host = SCpnt->host;
|
| 1695 |
|
|
cmnd.target = SCpnt->target;
|
| 1696 |
|
|
cmnd.lun = SCpnt->lun;
|
| 1697 |
|
|
cmnd.use_sg = 0;
|
| 1698 |
|
|
cmnd.request_buffer = 0;
|
| 1699 |
|
|
cmnd.request_bufflen = 0;
|
| 1700 |
|
|
|
| 1701 |
|
|
init_timer(&timer);
|
| 1702 |
|
|
timer.data = (unsigned long) &cmnd;
|
| 1703 |
|
|
timer.expires = jiffies + 100*HZ; /* 10s */
|
| 1704 |
|
|
timer.function = (void (*)(unsigned long)) timer_expired;
|
| 1705 |
|
|
|
| 1706 |
|
|
aha152x_internal_queue(&cmnd, &sem, resetting, 0, internal_done);
|
| 1707 |
|
|
|
| 1708 |
|
|
add_timer(&timer);
|
| 1709 |
|
|
down(&sem);
|
| 1710 |
|
|
|
| 1711 |
|
|
del_timer(&timer);
|
| 1712 |
|
|
|
| 1713 |
|
|
if(cmnd.SCp.phase & resetted) {
|
| 1714 |
|
|
return SUCCESS;
|
| 1715 |
|
|
} else {
|
| 1716 |
|
|
return FAILED;
|
| 1717 |
|
|
}
|
| 1718 |
|
|
}
|
| 1719 |
|
|
|
| 1720 |
|
|
void free_hard_reset_SCs(struct Scsi_Host *shpnt, Scsi_Cmnd **SCs)
|
| 1721 |
|
|
{
|
| 1722 |
|
|
Scsi_Cmnd *ptr;
|
| 1723 |
|
|
unsigned long flags;
|
| 1724 |
|
|
|
| 1725 |
|
|
DO_LOCK(flags);
|
| 1726 |
|
|
|
| 1727 |
|
|
ptr=*SCs;
|
| 1728 |
|
|
while(ptr) {
|
| 1729 |
|
|
Scsi_Cmnd *next = SCNEXT(ptr);
|
| 1730 |
|
|
|
| 1731 |
|
|
if (!ptr->device->soft_reset) {
|
| 1732 |
|
|
DPRINTK(debug_eh, DEBUG_LEAD "disconnected command %p removed\n", CMDINFO(ptr), ptr);
|
| 1733 |
|
|
remove_SC(SCs, ptr);
|
| 1734 |
|
|
HOSTDATA(shpnt)->commands--;
|
| 1735 |
|
|
kfree(ptr->host_scribble);
|
| 1736 |
|
|
ptr->host_scribble=0;
|
| 1737 |
|
|
}
|
| 1738 |
|
|
|
| 1739 |
|
|
ptr = next;
|
| 1740 |
|
|
}
|
| 1741 |
|
|
|
| 1742 |
|
|
DO_UNLOCK(flags);
|
| 1743 |
|
|
}
|
| 1744 |
|
|
|
| 1745 |
|
|
/*
|
| 1746 |
|
|
* Reset the bus
|
| 1747 |
|
|
*
|
| 1748 |
|
|
*/
|
| 1749 |
|
|
int aha152x_bus_reset(Scsi_Cmnd *SCpnt)
|
| 1750 |
|
|
{
|
| 1751 |
|
|
struct Scsi_Host *shpnt = SCpnt->host;
|
| 1752 |
|
|
unsigned long flags;
|
| 1753 |
|
|
|
| 1754 |
|
|
#if defined(AHA152X_DEBUG)
|
| 1755 |
|
|
if(HOSTDATA(shpnt)->debug & debug_eh) {
|
| 1756 |
|
|
printk(DEBUG_LEAD "aha152x_bus_reset(%p)", CMDINFO(SCpnt), SCpnt);
|
| 1757 |
|
|
show_queues(shpnt);
|
| 1758 |
|
|
}
|
| 1759 |
|
|
#endif
|
| 1760 |
|
|
|
| 1761 |
|
|
free_hard_reset_SCs(shpnt, &ISSUE_SC);
|
| 1762 |
|
|
free_hard_reset_SCs(shpnt, &DISCONNECTED_SC);
|
| 1763 |
|
|
|
| 1764 |
|
|
DPRINTK(debug_eh, DEBUG_LEAD "resetting bus\n", CMDINFO(SCpnt));
|
| 1765 |
|
|
|
| 1766 |
|
|
SETPORT(SCSISEQ, SCSIRSTO);
|
| 1767 |
|
|
mdelay(256);
|
| 1768 |
|
|
SETPORT(SCSISEQ, 0);
|
| 1769 |
|
|
mdelay(DELAY);
|
| 1770 |
|
|
|
| 1771 |
|
|
DPRINTK(debug_eh, DEBUG_LEAD "bus reset returns\n", CMDINFO(SCpnt));
|
| 1772 |
|
|
|
| 1773 |
|
|
DO_LOCK(flags);
|
| 1774 |
|
|
setup_expected_interrupts(shpnt);
|
| 1775 |
|
|
if(HOSTDATA(shpnt)->commands==0)
|
| 1776 |
|
|
SETPORT(PORTA, 0);
|
| 1777 |
|
|
DO_UNLOCK(flags);
|
| 1778 |
|
|
|
| 1779 |
|
|
return SUCCESS;
|
| 1780 |
|
|
}
|
| 1781 |
|
|
|
| 1782 |
|
|
|
| 1783 |
|
|
/*
|
| 1784 |
|
|
* Restore default values to the AIC-6260 registers and reset the fifos
|
| 1785 |
|
|
*
|
| 1786 |
|
|
*/
|
| 1787 |
|
|
static void reset_ports(struct Scsi_Host *shpnt)
|
| 1788 |
|
|
{
|
| 1789 |
|
|
unsigned long flags;
|
| 1790 |
|
|
|
| 1791 |
|
|
/* disable interrupts */
|
| 1792 |
|
|
SETPORT(DMACNTRL0, RSTFIFO);
|
| 1793 |
|
|
|
| 1794 |
|
|
SETPORT(SCSISEQ, 0);
|
| 1795 |
|
|
|
| 1796 |
|
|
SETPORT(SXFRCTL1, 0);
|
| 1797 |
|
|
SETPORT(SCSISIG, 0);
|
| 1798 |
|
|
SETRATE(0);
|
| 1799 |
|
|
|
| 1800 |
|
|
/* clear all interrupt conditions */
|
| 1801 |
|
|
SETPORT(SSTAT0, 0x7f);
|
| 1802 |
|
|
SETPORT(SSTAT1, 0xef);
|
| 1803 |
|
|
|
| 1804 |
|
|
SETPORT(SSTAT4, SYNCERR | FWERR | FRERR);
|
| 1805 |
|
|
|
| 1806 |
|
|
SETPORT(DMACNTRL0, 0);
|
| 1807 |
|
|
SETPORT(DMACNTRL1, 0);
|
| 1808 |
|
|
|
| 1809 |
|
|
SETPORT(BRSTCNTRL, 0xf1);
|
| 1810 |
|
|
|
| 1811 |
|
|
/* clear SCSI fifos and transfer count */
|
| 1812 |
|
|
SETPORT(SXFRCTL0, CH1|CLRCH1|CLRSTCNT);
|
| 1813 |
|
|
SETPORT(SXFRCTL0, CH1);
|
| 1814 |
|
|
|
| 1815 |
|
|
DO_LOCK(flags);
|
| 1816 |
|
|
setup_expected_interrupts(shpnt);
|
| 1817 |
|
|
DO_UNLOCK(flags);
|
| 1818 |
|
|
}
|
| 1819 |
|
|
|
| 1820 |
|
|
/*
|
| 1821 |
|
|
* Reset the host (bus and controller)
|
| 1822 |
|
|
*
|
| 1823 |
|
|
*/
|
| 1824 |
|
|
int aha152x_host_reset(Scsi_Cmnd * SCpnt)
|
| 1825 |
|
|
{
|
| 1826 |
|
|
#if defined(AHA152X_DEBUG)
|
| 1827 |
|
|
struct Scsi_Host *shpnt = SCpnt->host;
|
| 1828 |
|
|
#endif
|
| 1829 |
|
|
|
| 1830 |
|
|
DPRINTK(debug_eh, DEBUG_LEAD "aha152x_host_reset(%p)\n", CMDINFO(SCpnt), SCpnt);
|
| 1831 |
|
|
|
| 1832 |
|
|
aha152x_bus_reset(SCpnt);
|
| 1833 |
|
|
|
| 1834 |
|
|
DPRINTK(debug_eh, DEBUG_LEAD "resetting ports\n", CMDINFO(SCpnt));
|
| 1835 |
|
|
reset_ports(SCpnt->host);
|
| 1836 |
|
|
|
| 1837 |
|
|
return SUCCESS;
|
| 1838 |
|
|
}
|
| 1839 |
|
|
|
| 1840 |
|
|
/*
|
| 1841 |
|
|
* Return the "logical geometry"
|
| 1842 |
|
|
*
|
| 1843 |
|
|
*/
|
| 1844 |
|
|
int aha152x_biosparam(Scsi_Disk * disk, kdev_t dev, int *info_array)
|
| 1845 |
|
|
{
|
| 1846 |
|
|
struct Scsi_Host *shpnt = disk->device->host;
|
| 1847 |
|
|
|
| 1848 |
|
|
/* try default translation */
|
| 1849 |
|
|
info_array[0] = 64;
|
| 1850 |
|
|
info_array[1] = 32;
|
| 1851 |
|
|
info_array[2] = disk->capacity / (64 * 32);
|
| 1852 |
|
|
|
| 1853 |
|
|
/* for disks >1GB do some guessing */
|
| 1854 |
|
|
if (info_array[2] >= 1024) {
|
| 1855 |
|
|
int info[3];
|
| 1856 |
|
|
|
| 1857 |
|
|
/* try to figure out the geometry from the partition table */
|
| 1858 |
|
|
if (scsicam_bios_param(disk, dev, info) < 0 ||
|
| 1859 |
|
|
!((info[0] == 64 && info[1] == 32) || (info[0] == 255 && info[1] == 63))) {
|
| 1860 |
|
|
if (EXT_TRANS) {
|
| 1861 |
|
|
printk(KERN_NOTICE
|
| 1862 |
|
|
"aha152x: unable to verify geometry for disk with >1GB.\n"
|
| 1863 |
|
|
" using extended translation.\n");
|
| 1864 |
|
|
info_array[0] = 255;
|
| 1865 |
|
|
info_array[1] = 63;
|
| 1866 |
|
|
info_array[2] = disk->capacity / (255 * 63);
|
| 1867 |
|
|
} else {
|
| 1868 |
|
|
printk(KERN_NOTICE
|
| 1869 |
|
|
"aha152x: unable to verify geometry for disk with >1GB.\n"
|
| 1870 |
|
|
" Using default translation. Please verify yourself.\n"
|
| 1871 |
|
|
" Perhaps you need to enable extended translation in the driver.\n"
|
| 1872 |
|
|
" See /usr/src/linux/drivers/scsi/README.aha152x for details.\n");
|
| 1873 |
|
|
}
|
| 1874 |
|
|
} else {
|
| 1875 |
|
|
info_array[0] = info[0];
|
| 1876 |
|
|
info_array[1] = info[1];
|
| 1877 |
|
|
info_array[2] = info[2];
|
| 1878 |
|
|
|
| 1879 |
|
|
if (info[0] == 255 && !EXT_TRANS) {
|
| 1880 |
|
|
printk(KERN_NOTICE
|
| 1881 |
|
|
"aha152x: current partition table is using extended translation.\n"
|
| 1882 |
|
|
" using it also, although it's not explicitly enabled.\n");
|
| 1883 |
|
|
}
|
| 1884 |
|
|
}
|
| 1885 |
|
|
}
|
| 1886 |
|
|
|
| 1887 |
|
|
return 0;
|
| 1888 |
|
|
}
|
| 1889 |
|
|
|
| 1890 |
|
|
/*
|
| 1891 |
|
|
* Internal done function
|
| 1892 |
|
|
*
|
| 1893 |
|
|
*/
|
| 1894 |
|
|
static void done(struct Scsi_Host *shpnt, int error)
|
| 1895 |
|
|
{
|
| 1896 |
|
|
if (CURRENT_SC) {
|
| 1897 |
|
|
if(DONE_SC)
|
| 1898 |
|
|
printk(ERR_LEAD "there's already a completed command %p - will cause abort\n", CMDINFO(CURRENT_SC), DONE_SC);
|
| 1899 |
|
|
|
| 1900 |
|
|
DONE_SC = CURRENT_SC;
|
| 1901 |
|
|
CURRENT_SC = 0;
|
| 1902 |
|
|
DONE_SC->result = error;
|
| 1903 |
|
|
} else
|
| 1904 |
|
|
printk(KERN_ERR "aha152x: done() called outside of command\n");
|
| 1905 |
|
|
}
|
| 1906 |
|
|
|
| 1907 |
|
|
static struct tq_struct aha152x_tq;
|
| 1908 |
|
|
|
| 1909 |
|
|
/*
|
| 1910 |
|
|
* Run service completions on the card with interrupts enabled.
|
| 1911 |
|
|
*
|
| 1912 |
|
|
*/
|
| 1913 |
|
|
static void run(void)
|
| 1914 |
|
|
{
|
| 1915 |
|
|
int i;
|
| 1916 |
|
|
for (i = 0; i<ARRAY_SIZE(aha152x_host); i++) {
|
| 1917 |
|
|
struct Scsi_Host *shpnt = aha152x_host[i];
|
| 1918 |
|
|
if (shpnt && HOSTDATA(shpnt)->service) {
|
| 1919 |
|
|
HOSTDATA(shpnt)->service=0;
|
| 1920 |
|
|
is_complete(shpnt);
|
| 1921 |
|
|
}
|
| 1922 |
|
|
}
|
| 1923 |
|
|
}
|
| 1924 |
|
|
|
| 1925 |
|
|
/*
|
| 1926 |
|
|
* Interrupts handler
|
| 1927 |
|
|
*
|
| 1928 |
|
|
*/
|
| 1929 |
|
|
|
| 1930 |
|
|
static void intr(int irqno, void *dev_id, struct pt_regs *regs)
|
| 1931 |
|
|
{
|
| 1932 |
|
|
struct Scsi_Host *shpnt = lookup_irq(irqno);
|
| 1933 |
|
|
unsigned char rev, dmacntrl0;
|
| 1934 |
|
|
|
| 1935 |
|
|
if (!shpnt) {
|
| 1936 |
|
|
printk(KERN_ERR "aha152x: catched interrupt %d for unknown controller.\n", irqno);
|
| 1937 |
|
|
return;
|
| 1938 |
|
|
}
|
| 1939 |
|
|
|
| 1940 |
|
|
/*
|
| 1941 |
|
|
* Read a couple of registers that are known to not be all 1's. If
|
| 1942 |
|
|
* we read all 1's (-1), that means that either:
|
| 1943 |
|
|
* a. The host adapter chip has gone bad, and we cannot control it,
|
| 1944 |
|
|
* OR
|
| 1945 |
|
|
* b. The host adapter is a PCMCIA card that has been ejected
|
| 1946 |
|
|
* In either case, we cannot do anything with the host adapter at
|
| 1947 |
|
|
* this point in time. So just ignore the interrupt and return.
|
| 1948 |
|
|
* In the latter case, the interrupt might actually be meant for
|
| 1949 |
|
|
* someone else sharing this IRQ, and that driver will handle it
|
| 1950 |
|
|
*/
|
| 1951 |
|
|
rev = GETPORT(REV);
|
| 1952 |
|
|
dmacntrl0 = GETPORT(DMACNTRL0);
|
| 1953 |
|
|
if ((rev == 0xFF) && (dmacntrl0 == 0xFF)) {
|
| 1954 |
|
|
return;
|
| 1955 |
|
|
}
|
| 1956 |
|
|
|
| 1957 |
|
|
/* no more interrupts from the controller, while we're busy.
|
| 1958 |
|
|
INTEN is restored by the BH handler */
|
| 1959 |
|
|
CLRBITS(DMACNTRL0, INTEN);
|
| 1960 |
|
|
|
| 1961 |
|
|
#if 0
|
| 1962 |
|
|
/* check if there is already something to be
|
| 1963 |
|
|
serviced; should not happen */
|
| 1964 |
|
|
if(HOSTDATA(shpnt)->service) {
|
| 1965 |
|
|
printk(KERN_ERR "aha152x%d: lost interrupt (%d)\n", HOSTNO, HOSTDATA(shpnt)->service);
|
| 1966 |
|
|
show_queues(shpnt);
|
| 1967 |
|
|
}
|
| 1968 |
|
|
#endif
|
| 1969 |
|
|
|
| 1970 |
|
|
/* Poke the BH handler */
|
| 1971 |
|
|
HOSTDATA(shpnt)->service++;
|
| 1972 |
|
|
aha152x_tq.routine = (void *) run;
|
| 1973 |
|
|
queue_task(&aha152x_tq, &tq_immediate);
|
| 1974 |
|
|
mark_bh(IMMEDIATE_BH);
|
| 1975 |
|
|
}
|
| 1976 |
|
|
|
| 1977 |
|
|
/*
|
| 1978 |
|
|
* busfree phase
|
| 1979 |
|
|
* - handle completition/disconnection/error of current command
|
| 1980 |
|
|
* - start selection for next command (if any)
|
| 1981 |
|
|
*/
|
| 1982 |
|
|
static void busfree_run(struct Scsi_Host *shpnt)
|
| 1983 |
|
|
{
|
| 1984 |
|
|
unsigned long flags;
|
| 1985 |
|
|
#if defined(AHA152X_STAT)
|
| 1986 |
|
|
int action=0;
|
| 1987 |
|
|
#endif
|
| 1988 |
|
|
|
| 1989 |
|
|
SETPORT(SXFRCTL0, CH1|CLRCH1|CLRSTCNT);
|
| 1990 |
|
|
SETPORT(SXFRCTL0, CH1);
|
| 1991 |
|
|
|
| 1992 |
|
|
SETPORT(SSTAT1, CLRBUSFREE);
|
| 1993 |
|
|
|
| 1994 |
|
|
if(CURRENT_SC) {
|
| 1995 |
|
|
#if defined(AHA152X_STAT)
|
| 1996 |
|
|
action++;
|
| 1997 |
|
|
#endif
|
| 1998 |
|
|
CURRENT_SC->SCp.phase &= ~syncneg;
|
| 1999 |
|
|
|
| 2000 |
|
|
if(CURRENT_SC->SCp.phase & completed) {
|
| 2001 |
|
|
/* target sent COMMAND COMPLETE */
|
| 2002 |
|
|
done(shpnt, (CURRENT_SC->SCp.Status & 0xff) | ((CURRENT_SC->SCp.Message & 0xff) << 8) | (DID_OK << 16));
|
| 2003 |
|
|
|
| 2004 |
|
|
} else if(CURRENT_SC->SCp.phase & aborted) {
|
| 2005 |
|
|
DPRINTK(debug_eh, DEBUG_LEAD "ABORT sent\n", CMDINFO(CURRENT_SC));
|
| 2006 |
|
|
done(shpnt, (CURRENT_SC->SCp.Status & 0xff) | ((CURRENT_SC->SCp.Message & 0xff) << 8) | (DID_ABORT << 16));
|
| 2007 |
|
|
|
| 2008 |
|
|
} else if(CURRENT_SC->SCp.phase & resetted) {
|
| 2009 |
|
|
DPRINTK(debug_eh, DEBUG_LEAD "BUS DEVICE RESET sent\n", CMDINFO(CURRENT_SC));
|
| 2010 |
|
|
done(shpnt, (CURRENT_SC->SCp.Status & 0xff) | ((CURRENT_SC->SCp.Message & 0xff) << 8) | (DID_RESET << 16));
|
| 2011 |
|
|
|
| 2012 |
|
|
} else if(CURRENT_SC->SCp.phase & disconnected) {
|
| 2013 |
|
|
/* target sent DISCONNECT */
|
| 2014 |
|
|
DPRINTK(debug_selection, DEBUG_LEAD "target disconnected at %d/%d\n",
|
| 2015 |
|
|
CMDINFO(CURRENT_SC),
|
| 2016 |
|
|
CURRENT_SC->resid,
|
| 2017 |
|
|
CURRENT_SC->request_bufflen);
|
| 2018 |
|
|
#if defined(AHA152X_STAT)
|
| 2019 |
|
|
HOSTDATA(shpnt)->disconnections++;
|
| 2020 |
|
|
#endif
|
| 2021 |
|
|
append_SC(&DISCONNECTED_SC, CURRENT_SC);
|
| 2022 |
|
|
CURRENT_SC->SCp.phase |= 1 << 16;
|
| 2023 |
|
|
CURRENT_SC = 0;
|
| 2024 |
|
|
|
| 2025 |
|
|
} else {
|
| 2026 |
|
|
done(shpnt, DID_ERROR << 16);
|
| 2027 |
|
|
}
|
| 2028 |
|
|
#if defined(AHA152X_STAT)
|
| 2029 |
|
|
} else {
|
| 2030 |
|
|
HOSTDATA(shpnt)->busfree_without_old_command++;
|
| 2031 |
|
|
#endif
|
| 2032 |
|
|
}
|
| 2033 |
|
|
|
| 2034 |
|
|
DO_LOCK(flags);
|
| 2035 |
|
|
|
| 2036 |
|
|
if(DONE_SC) {
|
| 2037 |
|
|
#if defined(AHA152X_STAT)
|
| 2038 |
|
|
action++;
|
| 2039 |
|
|
#endif
|
| 2040 |
|
|
if(SCDONE(DONE_SC)) {
|
| 2041 |
|
|
Scsi_Cmnd *ptr=DONE_SC;
|
| 2042 |
|
|
DONE_SC=SCDONE(DONE_SC);
|
| 2043 |
|
|
|
| 2044 |
|
|
#if 0
|
| 2045 |
|
|
if(HOSTDATA(shpnt)->debug & debug_eh) {
|
| 2046 |
|
|
printk(ERR_LEAD "received sense: ", CMDINFO(ptr));
|
| 2047 |
|
|
print_sense("bh", DONE_SC);
|
| 2048 |
|
|
}
|
| 2049 |
|
|
#endif
|
| 2050 |
|
|
|
| 2051 |
|
|
HOSTDATA(shpnt)->commands--;
|
| 2052 |
|
|
if (!HOSTDATA(shpnt)->commands)
|
| 2053 |
|
|
SETPORT(PORTA, 0); /* turn led off */
|
| 2054 |
|
|
|
| 2055 |
|
|
kfree(ptr->host_scribble);
|
| 2056 |
|
|
kfree(ptr);
|
| 2057 |
|
|
} else if(DONE_SC->SCp.Status==0x02) {
|
| 2058 |
|
|
#if defined(AHA152X_STAT)
|
| 2059 |
|
|
HOSTDATA(shpnt)->busfree_with_check_condition++;
|
| 2060 |
|
|
#endif
|
| 2061 |
|
|
#if 0
|
| 2062 |
|
|
DPRINTK(debug_eh, ERR_LEAD "CHECK CONDITION found\n", CMDINFO(DONE_SC));
|
| 2063 |
|
|
#endif
|
| 2064 |
|
|
|
| 2065 |
|
|
if(!(DONE_SC->SCp.Status & not_issued)) {
|
| 2066 |
|
|
Scsi_Cmnd *cmnd = kmalloc(sizeof(Scsi_Cmnd), GFP_ATOMIC);
|
| 2067 |
|
|
|
| 2068 |
|
|
if(cmnd) {
|
| 2069 |
|
|
Scsi_Cmnd *ptr=DONE_SC;
|
| 2070 |
|
|
DONE_SC=0;
|
| 2071 |
|
|
|
| 2072 |
|
|
#if 0
|
| 2073 |
|
|
DPRINTK(debug_eh, ERR_LEAD "requesting sense\n", CMDINFO(ptr));
|
| 2074 |
|
|
#endif
|
| 2075 |
|
|
|
| 2076 |
|
|
cmnd->cmnd[0] = REQUEST_SENSE;
|
| 2077 |
|
|
cmnd->cmnd[1] = 0;
|
| 2078 |
|
|
cmnd->cmnd[2] = 0;
|
| 2079 |
|
|
cmnd->cmnd[3] = 0;
|
| 2080 |
|
|
cmnd->cmnd[4] = sizeof(ptr->sense_buffer);
|
| 2081 |
|
|
cmnd->cmnd[5] = 0;
|
| 2082 |
|
|
cmnd->cmd_len = 6;
|
| 2083 |
|
|
cmnd->host = ptr->host;
|
| 2084 |
|
|
cmnd->target = ptr->target;
|
| 2085 |
|
|
cmnd->lun = ptr->lun;
|
| 2086 |
|
|
cmnd->use_sg = 0;
|
| 2087 |
|
|
cmnd->request_buffer = ptr->sense_buffer;
|
| 2088 |
|
|
cmnd->request_bufflen = sizeof(ptr->sense_buffer);
|
| 2089 |
|
|
|
| 2090 |
|
|
DO_UNLOCK(flags);
|
| 2091 |
|
|
aha152x_internal_queue(cmnd, 0, 0, ptr, internal_done);
|
| 2092 |
|
|
DO_LOCK(flags);
|
| 2093 |
|
|
} else {
|
| 2094 |
|
|
printk(ERR_LEAD "allocation failed\n", CMDINFO(CURRENT_SC));
|
| 2095 |
|
|
if(cmnd)
|
| 2096 |
|
|
kfree(cmnd);
|
| 2097 |
|
|
}
|
| 2098 |
|
|
} else {
|
| 2099 |
|
|
#if 0
|
| 2100 |
|
|
DPRINTK(debug_eh, ERR_LEAD "command not issued - CHECK CONDITION ignored\n", CMDINFO(DONE_SC));
|
| 2101 |
|
|
#endif
|
| 2102 |
|
|
}
|
| 2103 |
|
|
}
|
| 2104 |
|
|
|
| 2105 |
|
|
if(DONE_SC && DONE_SC->scsi_done) {
|
| 2106 |
|
|
/* turn led off, when no commands are in the driver */
|
| 2107 |
|
|
HOSTDATA(shpnt)->commands--;
|
| 2108 |
|
|
if (!HOSTDATA(shpnt)->commands)
|
| 2109 |
|
|
SETPORT(PORTA, 0); /* turn led off */
|
| 2110 |
|
|
|
| 2111 |
|
|
DO_UNLOCK(flags);
|
| 2112 |
|
|
DPRINTK(debug_done, DEBUG_LEAD "calling scsi_done(%p)\n", CMDINFO(DONE_SC), DONE_SC);
|
| 2113 |
|
|
DONE_SC->scsi_done(DONE_SC);
|
| 2114 |
|
|
DPRINTK(debug_done, DEBUG_LEAD "scsi_done(%p) returned\n", CMDINFO(DONE_SC), DONE_SC);
|
| 2115 |
|
|
DO_LOCK(flags);
|
| 2116 |
|
|
|
| 2117 |
|
|
kfree(DONE_SC->host_scribble);
|
| 2118 |
|
|
DONE_SC->host_scribble=0;
|
| 2119 |
|
|
}
|
| 2120 |
|
|
|
| 2121 |
|
|
DONE_SC=0;
|
| 2122 |
|
|
#if defined(AHA152X_STAT)
|
| 2123 |
|
|
} else {
|
| 2124 |
|
|
HOSTDATA(shpnt)->busfree_without_done_command++;
|
| 2125 |
|
|
#endif
|
| 2126 |
|
|
}
|
| 2127 |
|
|
|
| 2128 |
|
|
if(ISSUE_SC)
|
| 2129 |
|
|
CURRENT_SC = remove_first_SC(&ISSUE_SC);
|
| 2130 |
|
|
|
| 2131 |
|
|
DO_UNLOCK(flags);
|
| 2132 |
|
|
|
| 2133 |
|
|
if(CURRENT_SC) {
|
| 2134 |
|
|
#if defined(AHA152X_STAT)
|
| 2135 |
|
|
action++;
|
| 2136 |
|
|
#endif
|
| 2137 |
|
|
CURRENT_SC->SCp.phase |= selecting;
|
| 2138 |
|
|
|
| 2139 |
|
|
DPRINTK(debug_selection, DEBUG_LEAD "selecting target\n", CMDINFO(CURRENT_SC));
|
| 2140 |
|
|
|
| 2141 |
|
|
/* clear selection timeout */
|
| 2142 |
|
|
SETPORT(SSTAT1, SELTO);
|
| 2143 |
|
|
|
| 2144 |
|
|
SETPORT(SCSIID, (shpnt->this_id << OID_) | CURRENT_SC->target);
|
| 2145 |
|
|
SETPORT(SXFRCTL1, (PARITY ? ENSPCHK : 0 ) | ENSTIMER);
|
| 2146 |
|
|
SETPORT(SCSISEQ, ENSELO | ENAUTOATNO | (DISCONNECTED_SC ? ENRESELI : 0));
|
| 2147 |
|
|
} else {
|
| 2148 |
|
|
#if defined(AHA152X_STAT)
|
| 2149 |
|
|
HOSTDATA(shpnt)->busfree_without_new_command++;
|
| 2150 |
|
|
#endif
|
| 2151 |
|
|
SETPORT(SCSISEQ, DISCONNECTED_SC ? ENRESELI : 0);
|
| 2152 |
|
|
}
|
| 2153 |
|
|
|
| 2154 |
|
|
#if defined(AHA152X_STAT)
|
| 2155 |
|
|
if(!action)
|
| 2156 |
|
|
HOSTDATA(shpnt)->busfree_without_any_action++;
|
| 2157 |
|
|
#endif
|
| 2158 |
|
|
}
|
| 2159 |
|
|
|
| 2160 |
|
|
/*
|
| 2161 |
|
|
* Selection done (OUT)
|
| 2162 |
|
|
* - queue IDENTIFY message and SDTR to selected target for message out
|
| 2163 |
|
|
* (ATN asserted automagically via ENAUTOATNO in busfree())
|
| 2164 |
|
|
*/
|
| 2165 |
|
|
static void seldo_run(struct Scsi_Host *shpnt)
|
| 2166 |
|
|
{
|
| 2167 |
|
|
SETPORT(SCSISIG, 0);
|
| 2168 |
|
|
SETPORT(SSTAT1, CLRBUSFREE);
|
| 2169 |
|
|
SETPORT(SSTAT1, CLRPHASECHG);
|
| 2170 |
|
|
|
| 2171 |
|
|
CURRENT_SC->SCp.phase &= ~(selecting|not_issued);
|
| 2172 |
|
|
|
| 2173 |
|
|
SETPORT(SCSISEQ, 0);
|
| 2174 |
|
|
|
| 2175 |
|
|
if (TESTLO(SSTAT0, SELDO)) {
|
| 2176 |
|
|
printk(ERR_LEAD "aha152x: passing bus free condition\n", CMDINFO(CURRENT_SC));
|
| 2177 |
|
|
done(shpnt, DID_NO_CONNECT << 16);
|
| 2178 |
|
|
return;
|
| 2179 |
|
|
}
|
| 2180 |
|
|
|
| 2181 |
|
|
SETPORT(SSTAT0, CLRSELDO);
|
| 2182 |
|
|
|
| 2183 |
|
|
ADDMSGO(IDENTIFY(RECONNECT, CURRENT_SC->lun));
|
| 2184 |
|
|
|
| 2185 |
|
|
if (CURRENT_SC->SCp.phase & aborting) {
|
| 2186 |
|
|
ADDMSGO(ABORT);
|
| 2187 |
|
|
} else if (CURRENT_SC->SCp.phase & resetting) {
|
| 2188 |
|
|
ADDMSGO(BUS_DEVICE_RESET);
|
| 2189 |
|
|
} else if (SYNCNEG==0 && SYNCHRONOUS) {
|
| 2190 |
|
|
CURRENT_SC->SCp.phase |= syncneg;
|
| 2191 |
|
|
ADDMSGO(EXTENDED_MESSAGE);
|
| 2192 |
|
|
ADDMSGO(3);
|
| 2193 |
|
|
ADDMSGO(EXTENDED_SDTR);
|
| 2194 |
|
|
ADDMSGO(50); /* 200ns */
|
| 2195 |
|
|
ADDMSGO(8); /* 8 byte req/ack offset */
|
| 2196 |
|
|
|
| 2197 |
|
|
SYNCNEG=1; /* negotiation in progress */
|
| 2198 |
|
|
}
|
| 2199 |
|
|
|
| 2200 |
|
|
SETRATE(SYNCRATE);
|
| 2201 |
|
|
}
|
| 2202 |
|
|
|
| 2203 |
|
|
/*
|
| 2204 |
|
|
* Selection timeout
|
| 2205 |
|
|
* - return command to mid-level with failure cause
|
| 2206 |
|
|
*
|
| 2207 |
|
|
*/
|
| 2208 |
|
|
static void selto_run(struct Scsi_Host *shpnt)
|
| 2209 |
|
|
{
|
| 2210 |
|
|
SETPORT(SCSISEQ, 0);
|
| 2211 |
|
|
SETPORT(SSTAT1, CLRSELTIMO);
|
| 2212 |
|
|
|
| 2213 |
|
|
DPRINTK(debug_selection, DEBUG_LEAD "selection timeout\n", CMDINFO(CURRENT_SC));
|
| 2214 |
|
|
|
| 2215 |
|
|
if(!CURRENT_SC) {
|
| 2216 |
|
|
DPRINTK(debug_selection, DEBUG_LEAD "!CURRENT_SC\n", CMDINFO(CURRENT_SC));
|
| 2217 |
|
|
return;
|
| 2218 |
|
|
}
|
| 2219 |
|
|
|
| 2220 |
|
|
CURRENT_SC->SCp.phase &= ~selecting;
|
| 2221 |
|
|
|
| 2222 |
|
|
if (CURRENT_SC->SCp.phase & aborted) {
|
| 2223 |
|
|
DPRINTK(debug_selection, DEBUG_LEAD "aborted\n", CMDINFO(CURRENT_SC));
|
| 2224 |
|
|
done(shpnt, DID_ABORT << 16);
|
| 2225 |
|
|
} else if (TESTLO(SSTAT0, SELINGO)) {
|
| 2226 |
|
|
DPRINTK(debug_selection, DEBUG_LEAD "arbitration not won\n", CMDINFO(CURRENT_SC));
|
| 2227 |
|
|
done(shpnt, DID_BUS_BUSY << 16);
|
| 2228 |
|
|
} else {
|
| 2229 |
|
|
/* ARBITRATION won, but SELECTION failed */
|
| 2230 |
|
|
DPRINTK(debug_selection, DEBUG_LEAD "selection failed\n", CMDINFO(CURRENT_SC));
|
| 2231 |
|
|
done(shpnt, DID_NO_CONNECT << 16);
|
| 2232 |
|
|
}
|
| 2233 |
|
|
}
|
| 2234 |
|
|
|
| 2235 |
|
|
/*
|
| 2236 |
|
|
* Selection in done
|
| 2237 |
|
|
* - put current command back to issue queue
|
| 2238 |
|
|
* (reconnection of a disconnected nexus instead
|
| 2239 |
|
|
* of successful selection out)
|
| 2240 |
|
|
*
|
| 2241 |
|
|
*/
|
| 2242 |
|
|
static void seldi_run(struct Scsi_Host *shpnt)
|
| 2243 |
|
|
{
|
| 2244 |
|
|
int selid;
|
| 2245 |
|
|
int target;
|
| 2246 |
|
|
unsigned long flags;
|
| 2247 |
|
|
|
| 2248 |
|
|
SETPORT(SCSISIG, 0);
|
| 2249 |
|
|
SETPORT(SSTAT0, CLRSELDI);
|
| 2250 |
|
|
SETPORT(SSTAT1, CLRBUSFREE);
|
| 2251 |
|
|
SETPORT(SSTAT1, CLRPHASECHG);
|
| 2252 |
|
|
|
| 2253 |
|
|
if(CURRENT_SC) {
|
| 2254 |
|
|
if(!(CURRENT_SC->SCp.phase & not_issued))
|
| 2255 |
|
|
printk(ERR_LEAD "command should not have been issued yet\n", CMDINFO(CURRENT_SC));
|
| 2256 |
|
|
|
| 2257 |
|
|
DPRINTK(debug_selection, ERR_LEAD "command requeued - reselection\n", CMDINFO(CURRENT_SC));
|
| 2258 |
|
|
|
| 2259 |
|
|
DO_LOCK(flags);
|
| 2260 |
|
|
append_SC(&ISSUE_SC, CURRENT_SC);
|
| 2261 |
|
|
DO_UNLOCK(flags);
|
| 2262 |
|
|
|
| 2263 |
|
|
CURRENT_SC = 0;
|
| 2264 |
|
|
}
|
| 2265 |
|
|
|
| 2266 |
|
|
if(!DISCONNECTED_SC) {
|
| 2267 |
|
|
DPRINTK(debug_selection, DEBUG_LEAD "unexpected SELDI ", CMDINFO(CURRENT_SC));
|
| 2268 |
|
|
return;
|
| 2269 |
|
|
}
|
| 2270 |
|
|
|
| 2271 |
|
|
RECONN_TARGET=-1;
|
| 2272 |
|
|
|
| 2273 |
|
|
selid = GETPORT(SELID) & ~(1 << shpnt->this_id);
|
| 2274 |
|
|
|
| 2275 |
|
|
if (selid==0) {
|
| 2276 |
|
|
printk("aha152x%d: target id unknown (%02x)\n", HOSTNO, selid);
|
| 2277 |
|
|
return;
|
| 2278 |
|
|
}
|
| 2279 |
|
|
|
| 2280 |
|
|
for(target=7; !(selid & (1 << target)); target--)
|
| 2281 |
|
|
;
|
| 2282 |
|
|
|
| 2283 |
|
|
if(selid & ~(1 << target)) {
|
| 2284 |
|
|
printk("aha152x%d: multiple targets reconnected (%02x)\n",
|
| 2285 |
|
|
HOSTNO, selid);
|
| 2286 |
|
|
}
|
| 2287 |
|
|
|
| 2288 |
|
|
|
| 2289 |
|
|
SETPORT(SCSIID, (shpnt->this_id << OID_) | target);
|
| 2290 |
|
|
SETPORT(SCSISEQ, 0);
|
| 2291 |
|
|
|
| 2292 |
|
|
SETRATE(HOSTDATA(shpnt)->syncrate[target]);
|
| 2293 |
|
|
|
| 2294 |
|
|
RECONN_TARGET=target;
|
| 2295 |
|
|
DPRINTK(debug_selection, DEBUG_LEAD "target %d reselected (%02x).\n", CMDINFO(CURRENT_SC), target, selid);
|
| 2296 |
|
|
}
|
| 2297 |
|
|
|
| 2298 |
|
|
/*
|
| 2299 |
|
|
* message in phase
|
| 2300 |
|
|
* - handle initial message after reconnection to identify
|
| 2301 |
|
|
* reconnecting nexus
|
| 2302 |
|
|
* - queue command on DISCONNECTED_SC on DISCONNECT message
|
| 2303 |
|
|
* - set completed flag on COMMAND COMPLETE
|
| 2304 |
|
|
* (other completition code moved to busfree_run)
|
| 2305 |
|
|
* - handle response to SDTR
|
| 2306 |
|
|
* - clear synchronous transfer agreements on BUS RESET
|
| 2307 |
|
|
*
|
| 2308 |
|
|
* FIXME: what about SAVE POINTERS, RESTORE POINTERS?
|
| 2309 |
|
|
*
|
| 2310 |
|
|
*/
|
| 2311 |
|
|
static void msgi_run(struct Scsi_Host *shpnt)
|
| 2312 |
|
|
{
|
| 2313 |
|
|
for(;;) {
|
| 2314 |
|
|
int sstat1 = GETPORT(SSTAT1);
|
| 2315 |
|
|
|
| 2316 |
|
|
if(sstat1 & (PHASECHG|PHASEMIS|BUSFREE) || !(sstat1 & REQINIT))
|
| 2317 |
|
|
return;
|
| 2318 |
|
|
|
| 2319 |
|
|
if(TESTLO(SSTAT0,SPIORDY)) {
|
| 2320 |
|
|
DPRINTK(debug_msgi, DEBUG_LEAD "!SPIORDY\n", CMDINFO(CURRENT_SC));
|
| 2321 |
|
|
return;
|
| 2322 |
|
|
}
|
| 2323 |
|
|
|
| 2324 |
|
|
ADDMSGI(GETPORT(SCSIDAT));
|
| 2325 |
|
|
|
| 2326 |
|
|
#if defined(AHA152X_DEBUG)
|
| 2327 |
|
|
if (HOSTDATA(shpnt)->debug & debug_msgi) {
|
| 2328 |
|
|
printk(INFO_LEAD "inbound message %02x ", CMDINFO(CURRENT_SC), MSGI(0));
|
| 2329 |
|
|
print_msg(&MSGI(0));
|
| 2330 |
|
|
printk("\n");
|
| 2331 |
|
|
}
|
| 2332 |
|
|
#endif
|
| 2333 |
|
|
|
| 2334 |
|
|
if(!CURRENT_SC) {
|
| 2335 |
|
|
if(LASTSTATE!=seldi) {
|
| 2336 |
|
|
printk(KERN_ERR "aha152x%d: message in w/o current command not after reselection\n", HOSTNO);
|
| 2337 |
|
|
}
|
| 2338 |
|
|
|
| 2339 |
|
|
/*
|
| 2340 |
|
|
* Handle reselection
|
| 2341 |
|
|
*/
|
| 2342 |
|
|
if(!(MSGI(0) & IDENTIFY_BASE)) {
|
| 2343 |
|
|
printk(KERN_ERR "aha152x%d: target didn't identify after reselection\n", HOSTNO);
|
| 2344 |
|
|
continue;
|
| 2345 |
|
|
}
|
| 2346 |
|
|
|
| 2347 |
|
|
CURRENT_SC = remove_lun_SC(&DISCONNECTED_SC, RECONN_TARGET, MSGI(0) & 0x3f);
|
| 2348 |
|
|
|
| 2349 |
|
|
if (!CURRENT_SC) {
|
| 2350 |
|
|
show_queues(shpnt);
|
| 2351 |
|
|
printk(KERN_ERR "aha152x%d: no disconnected command for target %d/%d\n", HOSTNO, RECONN_TARGET, MSGI(0) & 0x3f);
|
| 2352 |
|
|
continue;
|
| 2353 |
|
|
}
|
| 2354 |
|
|
|
| 2355 |
|
|
DPRINTK(debug_msgi, DEBUG_LEAD "target reconnected\n", CMDINFO(CURRENT_SC));
|
| 2356 |
|
|
|
| 2357 |
|
|
CURRENT_SC->SCp.Message = MSGI(0);
|
| 2358 |
|
|
CURRENT_SC->SCp.phase &= ~disconnected;
|
| 2359 |
|
|
|
| 2360 |
|
|
MSGILEN=0;
|
| 2361 |
|
|
|
| 2362 |
|
|
/* next message if any */
|
| 2363 |
|
|
continue;
|
| 2364 |
|
|
}
|
| 2365 |
|
|
|
| 2366 |
|
|
CURRENT_SC->SCp.Message = MSGI(0);
|
| 2367 |
|
|
|
| 2368 |
|
|
switch (MSGI(0)) {
|
| 2369 |
|
|
case DISCONNECT:
|
| 2370 |
|
|
if (!RECONNECT)
|
| 2371 |
|
|
printk(WARN_LEAD "target was not allowed to disconnect\n", CMDINFO(CURRENT_SC));
|
| 2372 |
|
|
|
| 2373 |
|
|
CURRENT_SC->SCp.phase |= disconnected;
|
| 2374 |
|
|
break;
|
| 2375 |
|
|
|
| 2376 |
|
|
case COMMAND_COMPLETE:
|
| 2377 |
|
|
if(CURRENT_SC->SCp.phase & completed)
|
| 2378 |
|
|
DPRINTK(debug_msgi, DEBUG_LEAD "again COMMAND COMPLETE\n", CMDINFO(CURRENT_SC));
|
| 2379 |
|
|
|
| 2380 |
|
|
CURRENT_SC->SCp.phase |= completed;
|
| 2381 |
|
|
break;
|
| 2382 |
|
|
|
| 2383 |
|
|
case MESSAGE_REJECT:
|
| 2384 |
|
|
if (SYNCNEG==1) {
|
| 2385 |
|
|
printk(INFO_LEAD "Synchronous Data Transfer Request was rejected\n", CMDINFO(CURRENT_SC));
|
| 2386 |
|
|
SYNCNEG=2; /* negotiation completed */
|
| 2387 |
|
|
} else
|
| 2388 |
|
|
printk(INFO_LEAD "inbound message (MESSAGE REJECT)\n", CMDINFO(CURRENT_SC));
|
| 2389 |
|
|
break;
|
| 2390 |
|
|
|
| 2391 |
|
|
case SAVE_POINTERS:
|
| 2392 |
|
|
break;
|
| 2393 |
|
|
|
| 2394 |
|
|
case RESTORE_POINTERS:
|
| 2395 |
|
|
break;
|
| 2396 |
|
|
|
| 2397 |
|
|
case EXTENDED_MESSAGE:
|
| 2398 |
|
|
if(MSGILEN<2 || MSGILEN<MSGI(1)+2) {
|
| 2399 |
|
|
/* not yet completed */
|
| 2400 |
|
|
continue;
|
| 2401 |
|
|
}
|
| 2402 |
|
|
|
| 2403 |
|
|
switch (MSGI(2)) {
|
| 2404 |
|
|
case EXTENDED_SDTR:
|
| 2405 |
|
|
{
|
| 2406 |
|
|
long ticks;
|
| 2407 |
|
|
|
| 2408 |
|
|
if (MSGI(1) != 3) {
|
| 2409 |
|
|
printk(ERR_LEAD "SDTR message length!=3\n", CMDINFO(CURRENT_SC));
|
| 2410 |
|
|
break;
|
| 2411 |
|
|
}
|
| 2412 |
|
|
|
| 2413 |
|
|
if (!HOSTDATA(shpnt)->synchronous)
|
| 2414 |
|
|
break;
|
| 2415 |
|
|
|
| 2416 |
|
|
printk(INFO_LEAD, CMDINFO(CURRENT_SC));
|
| 2417 |
|
|
print_msg(&MSGI(0));
|
| 2418 |
|
|
printk("\n");
|
| 2419 |
|
|
|
| 2420 |
|
|
ticks = (MSGI(3) * 4 + 49) / 50;
|
| 2421 |
|
|
|
| 2422 |
|
|
if (syncneg) {
|
| 2423 |
|
|
/* negotiation in progress */
|
| 2424 |
|
|
if (ticks > 9 || MSGI(4) < 1 || MSGI(4) > 8) {
|
| 2425 |
|
|
ADDMSGO(MESSAGE_REJECT);
|
| 2426 |
|
|
printk(INFO_LEAD "received Synchronous Data Transfer Request invalid - rejected\n", CMDINFO(CURRENT_SC));
|
| 2427 |
|
|
break;
|
| 2428 |
|
|
}
|
| 2429 |
|
|
|
| 2430 |
|
|
SYNCRATE |= ((ticks - 2) << 4) + MSGI(4);
|
| 2431 |
|
|
} else if (ticks <= 9 && MSGI(4) >= 1) {
|
| 2432 |
|
|
ADDMSGO(EXTENDED_MESSAGE);
|
| 2433 |
|
|
ADDMSGO(3);
|
| 2434 |
|
|
ADDMSGO(EXTENDED_SDTR);
|
| 2435 |
|
|
if (ticks < 4) {
|
| 2436 |
|
|
ticks = 4;
|
| 2437 |
|
|
ADDMSGO(50);
|
| 2438 |
|
|
} else
|
| 2439 |
|
|
ADDMSGO(MSGI(3));
|
| 2440 |
|
|
|
| 2441 |
|
|
if (MSGI(4) > 8)
|
| 2442 |
|
|
MSGI(4) = 8;
|
| 2443 |
|
|
|
| 2444 |
|
|
ADDMSGO(MSGI(4));
|
| 2445 |
|
|
|
| 2446 |
|
|
SYNCRATE |= ((ticks - 2) << 4) + MSGI(4);
|
| 2447 |
|
|
} else {
|
| 2448 |
|
|
/* requested SDTR is too slow, do it asynchronously */
|
| 2449 |
|
|
printk(INFO_LEAD "Synchronous Data Transfer Request too slow - Rejecting\n", CMDINFO(CURRENT_SC));
|
| 2450 |
|
|
ADDMSGO(MESSAGE_REJECT);
|
| 2451 |
|
|
}
|
| 2452 |
|
|
|
| 2453 |
|
|
SYNCNEG=2; /* negotiation completed */
|
| 2454 |
|
|
SETRATE(SYNCRATE);
|
| 2455 |
|
|
}
|
| 2456 |
|
|
break;
|
| 2457 |
|
|
|
| 2458 |
|
|
case BUS_DEVICE_RESET:
|
| 2459 |
|
|
{
|
| 2460 |
|
|
int i;
|
| 2461 |
|
|
|
| 2462 |
|
|
for(i=0; i<8; i++) {
|
| 2463 |
|
|
HOSTDATA(shpnt)->syncrate[i]=0;
|
| 2464 |
|
|
HOSTDATA(shpnt)->syncneg[i]=0;
|
| 2465 |
|
|
}
|
| 2466 |
|
|
|
| 2467 |
|
|
}
|
| 2468 |
|
|
break;
|
| 2469 |
|
|
|
| 2470 |
|
|
case EXTENDED_MODIFY_DATA_POINTER:
|
| 2471 |
|
|
case EXTENDED_EXTENDED_IDENTIFY:
|
| 2472 |
|
|
case EXTENDED_WDTR:
|
| 2473 |
|
|
default:
|
| 2474 |
|
|
ADDMSGO(MESSAGE_REJECT);
|
| 2475 |
|
|
break;
|
| 2476 |
|
|
}
|
| 2477 |
|
|
break;
|
| 2478 |
|
|
}
|
| 2479 |
|
|
|
| 2480 |
|
|
MSGILEN=0;
|
| 2481 |
|
|
}
|
| 2482 |
|
|
}
|
| 2483 |
|
|
|
| 2484 |
|
|
static void msgi_end(struct Scsi_Host *shpnt)
|
| 2485 |
|
|
{
|
| 2486 |
|
|
if(MSGILEN>0)
|
| 2487 |
|
|
printk(WARN_LEAD "target left before message completed (%d)\n", CMDINFO(CURRENT_SC), MSGILEN);
|
| 2488 |
|
|
|
| 2489 |
|
|
if (MSGOLEN > 0 && !(GETPORT(SSTAT1) & BUSFREE)) {
|
| 2490 |
|
|
DPRINTK(debug_msgi, DEBUG_LEAD "msgo pending\n", CMDINFO(CURRENT_SC));
|
| 2491 |
|
|
SETPORT(SCSISIG, P_MSGI | SIG_ATNO);
|
| 2492 |
|
|
}
|
| 2493 |
|
|
}
|
| 2494 |
|
|
|
| 2495 |
|
|
/*
|
| 2496 |
|
|
* message out phase
|
| 2497 |
|
|
*
|
| 2498 |
|
|
*/
|
| 2499 |
|
|
static void msgo_init(struct Scsi_Host *shpnt)
|
| 2500 |
|
|
{
|
| 2501 |
|
|
if(MSGOLEN==0) {
|
| 2502 |
|
|
if((CURRENT_SC->SCp.phase & syncneg) && SYNCNEG==2 && SYNCRATE==0) {
|
| 2503 |
|
|
ADDMSGO(IDENTIFY(RECONNECT, CURRENT_SC->lun));
|
| 2504 |
|
|
} else {
|
| 2505 |
|
|
printk(INFO_LEAD "unexpected MESSAGE OUT phase; rejecting\n", CMDINFO(CURRENT_SC));
|
| 2506 |
|
|
ADDMSGO(MESSAGE_REJECT);
|
| 2507 |
|
|
}
|
| 2508 |
|
|
}
|
| 2509 |
|
|
|
| 2510 |
|
|
#if defined(AHA152X_DEBUG)
|
| 2511 |
|
|
if(HOSTDATA(shpnt)->debug & debug_msgo) {
|
| 2512 |
|
|
int i;
|
| 2513 |
|
|
|
| 2514 |
|
|
printk(DEBUG_LEAD "messages( ", CMDINFO(CURRENT_SC));
|
| 2515 |
|
|
for (i=0; i<MSGOLEN; i+=print_msg(&MSGO(i)), printk(" "))
|
| 2516 |
|
|
;
|
| 2517 |
|
|
printk(")\n");
|
| 2518 |
|
|
}
|
| 2519 |
|
|
#endif
|
| 2520 |
|
|
}
|
| 2521 |
|
|
|
| 2522 |
|
|
/*
|
| 2523 |
|
|
* message out phase
|
| 2524 |
|
|
*
|
| 2525 |
|
|
*/
|
| 2526 |
|
|
static void msgo_run(struct Scsi_Host *shpnt)
|
| 2527 |
|
|
{
|
| 2528 |
|
|
if(MSGO_I==MSGOLEN)
|
| 2529 |
|
|
DPRINTK(debug_msgo, DEBUG_LEAD "messages all sent (%d/%d)\n", CMDINFO(CURRENT_SC), MSGO_I, MSGOLEN);
|
| 2530 |
|
|
|
| 2531 |
|
|
while(MSGO_I<MSGOLEN) {
|
| 2532 |
|
|
DPRINTK(debug_msgo, DEBUG_LEAD "message byte %02x (%d/%d)\n", CMDINFO(CURRENT_SC), MSGO(MSGO_I), MSGO_I, MSGOLEN);
|
| 2533 |
|
|
|
| 2534 |
|
|
if(TESTLO(SSTAT0, SPIORDY)) {
|
| 2535 |
|
|
DPRINTK(debug_msgo, DEBUG_LEAD "!SPIORDY\n", CMDINFO(CURRENT_SC));
|
| 2536 |
|
|
return;
|
| 2537 |
|
|
}
|
| 2538 |
|
|
|
| 2539 |
|
|
if (MSGO_I==MSGOLEN-1) {
|
| 2540 |
|
|
/* Leave MESSAGE OUT after transfer */
|
| 2541 |
|
|
SETPORT(SSTAT1, CLRATNO);
|
| 2542 |
|
|
}
|
| 2543 |
|
|
|
| 2544 |
|
|
|
| 2545 |
|
|
if (MSGO(MSGO_I) & IDENTIFY_BASE)
|
| 2546 |
|
|
CURRENT_SC->SCp.phase |= identified;
|
| 2547 |
|
|
|
| 2548 |
|
|
if (MSGO(MSGO_I)==ABORT)
|
| 2549 |
|
|
CURRENT_SC->SCp.phase |= aborted;
|
| 2550 |
|
|
|
| 2551 |
|
|
if (MSGO(MSGO_I)==BUS_DEVICE_RESET)
|
| 2552 |
|
|
CURRENT_SC->SCp.phase |= resetted;
|
| 2553 |
|
|
|
| 2554 |
|
|
SETPORT(SCSIDAT, MSGO(MSGO_I++));
|
| 2555 |
|
|
}
|
| 2556 |
|
|
}
|
| 2557 |
|
|
|
| 2558 |
|
|
static void msgo_end(struct Scsi_Host *shpnt)
|
| 2559 |
|
|
{
|
| 2560 |
|
|
if(MSGO_I<MSGOLEN) {
|
| 2561 |
|
|
printk(ERR_LEAD "message sent incompletely (%d/%d)\n", CMDINFO(CURRENT_SC), MSGO_I, MSGOLEN);
|
| 2562 |
|
|
if(SYNCNEG==1) {
|
| 2563 |
|
|
printk(INFO_LEAD "Synchronous Data Transfer Request was rejected\n", CMDINFO(CURRENT_SC));
|
| 2564 |
|
|
SYNCNEG=2;
|
| 2565 |
|
|
}
|
| 2566 |
|
|
}
|
| 2567 |
|
|
|
| 2568 |
|
|
MSGO_I = 0;
|
| 2569 |
|
|
MSGOLEN = 0;
|
| 2570 |
|
|
}
|
| 2571 |
|
|
|
| 2572 |
|
|
/*
|
| 2573 |
|
|
* command phase
|
| 2574 |
|
|
*
|
| 2575 |
|
|
*/
|
| 2576 |
|
|
static void cmd_init(struct Scsi_Host *shpnt)
|
| 2577 |
|
|
{
|
| 2578 |
|
|
if (CURRENT_SC->SCp.sent_command) {
|
| 2579 |
|
|
printk(ERR_LEAD "command already sent\n", CMDINFO(CURRENT_SC));
|
| 2580 |
|
|
done(shpnt, DID_ERROR << 16);
|
| 2581 |
|
|
return;
|
| 2582 |
|
|
}
|
| 2583 |
|
|
|
| 2584 |
|
|
#if defined(AHA152X_DEBUG)
|
| 2585 |
|
|
if (HOSTDATA(shpnt)->debug & debug_cmd) {
|
| 2586 |
|
|
printk(DEBUG_LEAD "cmd_init: ", CMDINFO(CURRENT_SC));
|
| 2587 |
|
|
print_command(CURRENT_SC->cmnd);
|
| 2588 |
|
|
}
|
| 2589 |
|
|
#endif
|
| 2590 |
|
|
|
| 2591 |
|
|
CMD_I=0;
|
| 2592 |
|
|
}
|
| 2593 |
|
|
|
| 2594 |
|
|
/*
|
| 2595 |
|
|
* command phase
|
| 2596 |
|
|
*
|
| 2597 |
|
|
*/
|
| 2598 |
|
|
static void cmd_run(struct Scsi_Host *shpnt)
|
| 2599 |
|
|
{
|
| 2600 |
|
|
if(CMD_I==CURRENT_SC->cmd_len) {
|
| 2601 |
|
|
DPRINTK(debug_cmd, DEBUG_LEAD "command already completely sent (%d/%d)", CMDINFO(CURRENT_SC), CMD_I, CURRENT_SC->cmd_len);
|
| 2602 |
|
|
disp_ports(shpnt);
|
| 2603 |
|
|
}
|
| 2604 |
|
|
|
| 2605 |
|
|
while(CMD_I<CURRENT_SC->cmd_len) {
|
| 2606 |
|
|
DPRINTK(debug_cmd, DEBUG_LEAD "command byte %02x (%d/%d)\n", CMDINFO(CURRENT_SC), CURRENT_SC->cmnd[CMD_I], CMD_I, CURRENT_SC->cmd_len);
|
| 2607 |
|
|
|
| 2608 |
|
|
if(TESTLO(SSTAT0, SPIORDY)) {
|
| 2609 |
|
|
DPRINTK(debug_cmd, DEBUG_LEAD "!SPIORDY\n", CMDINFO(CURRENT_SC));
|
| 2610 |
|
|
return;
|
| 2611 |
|
|
}
|
| 2612 |
|
|
|
| 2613 |
|
|
SETPORT(SCSIDAT, CURRENT_SC->cmnd[CMD_I++]);
|
| 2614 |
|
|
}
|
| 2615 |
|
|
}
|
| 2616 |
|
|
|
| 2617 |
|
|
static void cmd_end(struct Scsi_Host *shpnt)
|
| 2618 |
|
|
{
|
| 2619 |
|
|
if(CMD_I<CURRENT_SC->cmd_len)
|
| 2620 |
|
|
printk(ERR_LEAD "command sent incompletely (%d/%d)\n", CMDINFO(CURRENT_SC), CMD_I, CURRENT_SC->cmd_len);
|
| 2621 |
|
|
else
|
| 2622 |
|
|
CURRENT_SC->SCp.sent_command++;
|
| 2623 |
|
|
}
|
| 2624 |
|
|
|
| 2625 |
|
|
/*
|
| 2626 |
|
|
* status phase
|
| 2627 |
|
|
*
|
| 2628 |
|
|
*/
|
| 2629 |
|
|
static void status_run(struct Scsi_Host *shpnt)
|
| 2630 |
|
|
{
|
| 2631 |
|
|
if(TESTLO(SSTAT0,SPIORDY)) {
|
| 2632 |
|
|
DPRINTK(debug_status, DEBUG_LEAD "!SPIORDY\n", CMDINFO(CURRENT_SC));
|
| 2633 |
|
|
return;
|
| 2634 |
|
|
}
|
| 2635 |
|
|
|
| 2636 |
|
|
CURRENT_SC->SCp.Status = GETPORT(SCSIDAT);
|
| 2637 |
|
|
|
| 2638 |
|
|
#if defined(AHA152X_DEBUG)
|
| 2639 |
|
|
if (HOSTDATA(shpnt)->debug & debug_status) {
|
| 2640 |
|
|
printk(DEBUG_LEAD "inbound status %02x ", CMDINFO(CURRENT_SC), CURRENT_SC->SCp.Status);
|
| 2641 |
|
|
print_status(CURRENT_SC->SCp.Status);
|
| 2642 |
|
|
printk("\n");
|
| 2643 |
|
|
}
|
| 2644 |
|
|
#endif
|
| 2645 |
|
|
}
|
| 2646 |
|
|
|
| 2647 |
|
|
/*
|
| 2648 |
|
|
* data in phase
|
| 2649 |
|
|
*
|
| 2650 |
|
|
*/
|
| 2651 |
|
|
static void datai_init(struct Scsi_Host *shpnt)
|
| 2652 |
|
|
{
|
| 2653 |
|
|
SETPORT(DMACNTRL0, RSTFIFO);
|
| 2654 |
|
|
SETPORT(DMACNTRL0, RSTFIFO|ENDMA);
|
| 2655 |
|
|
|
| 2656 |
|
|
SETPORT(SXFRCTL0, CH1|CLRSTCNT);
|
| 2657 |
|
|
SETPORT(SXFRCTL0, CH1|SCSIEN|DMAEN);
|
| 2658 |
|
|
|
| 2659 |
|
|
SETPORT(SIMODE0, 0);
|
| 2660 |
|
|
SETPORT(SIMODE1, ENSCSIPERR | ENSCSIRST | ENPHASEMIS | ENBUSFREE);
|
| 2661 |
|
|
|
| 2662 |
|
|
DATA_LEN=0;
|
| 2663 |
|
|
DPRINTK(debug_datai,
|
| 2664 |
|
|
DEBUG_LEAD "datai_init: request_bufflen=%d resid=%d\n",
|
| 2665 |
|
|
CMDINFO(CURRENT_SC), CURRENT_SC->request_bufflen, CURRENT_SC->resid);
|
| 2666 |
|
|
}
|
| 2667 |
|
|
|
| 2668 |
|
|
static void datai_run(struct Scsi_Host *shpnt)
|
| 2669 |
|
|
{
|
| 2670 |
|
|
unsigned long the_time;
|
| 2671 |
|
|
int fifodata, data_count;
|
| 2672 |
|
|
|
| 2673 |
|
|
/*
|
| 2674 |
|
|
* loop while the phase persists or the fifos are not empty
|
| 2675 |
|
|
*
|
| 2676 |
|
|
*/
|
| 2677 |
|
|
while(TESTLO(DMASTAT, INTSTAT) || TESTLO(DMASTAT, DFIFOEMP) || TESTLO(SSTAT2, SEMPTY)) {
|
| 2678 |
|
|
/* FIXME: maybe this should be done by setting up
|
| 2679 |
|
|
* STCNT to trigger ENSWRAP interrupt, instead of
|
| 2680 |
|
|
* polling for DFIFOFULL
|
| 2681 |
|
|
*/
|
| 2682 |
|
|
the_time=jiffies + 100*HZ;
|
| 2683 |
|
|
while(TESTLO(DMASTAT, DFIFOFULL|INTSTAT) && time_before(jiffies,the_time))
|
| 2684 |
|
|
barrier();
|
| 2685 |
|
|
|
| 2686 |
|
|
if(TESTLO(DMASTAT, DFIFOFULL|INTSTAT)) {
|
| 2687 |
|
|
printk(ERR_LEAD "datai timeout", CMDINFO(CURRENT_SC));
|
| 2688 |
|
|
disp_ports(shpnt);
|
| 2689 |
|
|
break;
|
| 2690 |
|
|
}
|
| 2691 |
|
|
|
| 2692 |
|
|
if(TESTHI(DMASTAT, DFIFOFULL)) {
|
| 2693 |
|
|
fifodata = 128;
|
| 2694 |
|
|
} else {
|
| 2695 |
|
|
the_time=jiffies + 100*HZ;
|
| 2696 |
|
|
while(TESTLO(SSTAT2, SEMPTY) && time_before(jiffies,the_time))
|
| 2697 |
|
|
barrier();
|
| 2698 |
|
|
|
| 2699 |
|
|
if(TESTLO(SSTAT2, SEMPTY)) {
|
| 2700 |
|
|
printk(ERR_LEAD "datai sempty timeout", CMDINFO(CURRENT_SC));
|
| 2701 |
|
|
disp_ports(shpnt);
|
| 2702 |
|
|
break;
|
| 2703 |
|
|
}
|
| 2704 |
|
|
|
| 2705 |
|
|
fifodata = GETPORT(FIFOSTAT);
|
| 2706 |
|
|
}
|
| 2707 |
|
|
|
| 2708 |
|
|
if(CURRENT_SC->SCp.this_residual>0) {
|
| 2709 |
|
|
while(fifodata>0 && CURRENT_SC->SCp.this_residual>0) {
|
| 2710 |
|
|
data_count = fifodata>CURRENT_SC->SCp.this_residual ?
|
| 2711 |
|
|
CURRENT_SC->SCp.this_residual :
|
| 2712 |
|
|
fifodata;
|
| 2713 |
|
|
fifodata -= data_count;
|
| 2714 |
|
|
|
| 2715 |
|
|
if(data_count & 1) {
|
| 2716 |
|
|
DPRINTK(debug_datai, DEBUG_LEAD "8bit\n", CMDINFO(CURRENT_SC));
|
| 2717 |
|
|
SETPORT(DMACNTRL0, ENDMA|_8BIT);
|
| 2718 |
|
|
*CURRENT_SC->SCp.ptr++ = GETPORT(DATAPORT);
|
| 2719 |
|
|
CURRENT_SC->SCp.this_residual--;
|
| 2720 |
|
|
DATA_LEN++;
|
| 2721 |
|
|
SETPORT(DMACNTRL0, ENDMA);
|
| 2722 |
|
|
}
|
| 2723 |
|
|
|
| 2724 |
|
|
if(data_count > 1) {
|
| 2725 |
|
|
DPRINTK(debug_datai, DEBUG_LEAD "16bit(%d)\n", CMDINFO(CURRENT_SC), data_count);
|
| 2726 |
|
|
data_count >>= 1;
|
| 2727 |
|
|
insw(DATAPORT, CURRENT_SC->SCp.ptr, data_count);
|
| 2728 |
|
|
CURRENT_SC->SCp.ptr += 2 * data_count;
|
| 2729 |
|
|
CURRENT_SC->SCp.this_residual -= 2 * data_count;
|
| 2730 |
|
|
DATA_LEN += 2 * data_count;
|
| 2731 |
|
|
}
|
| 2732 |
|
|
|
| 2733 |
|
|
if(CURRENT_SC->SCp.this_residual==0 && CURRENT_SC->SCp.buffers_residual>0) {
|
| 2734 |
|
|
/* advance to next buffer */
|
| 2735 |
|
|
CURRENT_SC->SCp.buffers_residual--;
|
| 2736 |
|
|
CURRENT_SC->SCp.buffer++;
|
| 2737 |
|
|
CURRENT_SC->SCp.ptr = SG_ADDRESS(CURRENT_SC->SCp.buffer);
|
| 2738 |
|
|
CURRENT_SC->SCp.this_residual = CURRENT_SC->SCp.buffer->length;
|
| 2739 |
|
|
}
|
| 2740 |
|
|
}
|
| 2741 |
|
|
} else if(fifodata>0) {
|
| 2742 |
|
|
printk(ERR_LEAD "no buffers left for %d(%d) bytes (data overrun!?)\n", CMDINFO(CURRENT_SC), fifodata, GETPORT(FIFOSTAT));
|
| 2743 |
|
|
SETPORT(DMACNTRL0, ENDMA|_8BIT);
|
| 2744 |
|
|
while(fifodata>0) {
|
| 2745 |
|
|
int data;
|
| 2746 |
|
|
data=GETPORT(DATAPORT);
|
| 2747 |
|
|
DPRINTK(debug_datai, DEBUG_LEAD "data=%02x\n", CMDINFO(CURRENT_SC), data);
|
| 2748 |
|
|
fifodata--;
|
| 2749 |
|
|
DATA_LEN++;
|
| 2750 |
|
|
}
|
| 2751 |
|
|
SETPORT(DMACNTRL0, ENDMA|_8BIT);
|
| 2752 |
|
|
}
|
| 2753 |
|
|
}
|
| 2754 |
|
|
|
| 2755 |
|
|
if(TESTLO(DMASTAT, INTSTAT) ||
|
| 2756 |
|
|
TESTLO(DMASTAT, DFIFOEMP) ||
|
| 2757 |
|
|
TESTLO(SSTAT2, SEMPTY) ||
|
| 2758 |
|
|
GETPORT(FIFOSTAT)>0) {
|
| 2759 |
|
|
/*
|
| 2760 |
|
|
* something went wrong, if there's something left in the fifos
|
| 2761 |
|
|
* or the phase didn't change
|
| 2762 |
|
|
*/
|
| 2763 |
|
|
printk(ERR_LEAD "fifos should be empty and phase should have changed\n", CMDINFO(CURRENT_SC));
|
| 2764 |
|
|
disp_ports(shpnt);
|
| 2765 |
|
|
}
|
| 2766 |
|
|
|
| 2767 |
|
|
if(DATA_LEN!=GETSTCNT()) {
|
| 2768 |
|
|
printk(ERR_LEAD
|
| 2769 |
|
|
"manual transfer count differs from automatic (count=%d;stcnt=%d;diff=%d;fifostat=%d)",
|
| 2770 |
|
|
CMDINFO(CURRENT_SC), DATA_LEN, GETSTCNT(), GETSTCNT()-DATA_LEN, GETPORT(FIFOSTAT));
|
| 2771 |
|
|
disp_ports(shpnt);
|
| 2772 |
|
|
mdelay(10000);
|
| 2773 |
|
|
}
|
| 2774 |
|
|
}
|
| 2775 |
|
|
|
| 2776 |
|
|
static void datai_end(struct Scsi_Host *shpnt)
|
| 2777 |
|
|
{
|
| 2778 |
|
|
CURRENT_SC->resid -= GETSTCNT();
|
| 2779 |
|
|
|
| 2780 |
|
|
DPRINTK(debug_datai,
|
| 2781 |
|
|
DEBUG_LEAD "datai_end: request_bufflen=%d resid=%d stcnt=%d\n",
|
| 2782 |
|
|
CMDINFO(CURRENT_SC), CURRENT_SC->request_bufflen, CURRENT_SC->resid, GETSTCNT());
|
| 2783 |
|
|
|
| 2784 |
|
|
SETPORT(SXFRCTL0, CH1|CLRSTCNT);
|
| 2785 |
|
|
SETPORT(DMACNTRL0, 0);
|
| 2786 |
|
|
}
|
| 2787 |
|
|
|
| 2788 |
|
|
/*
|
| 2789 |
|
|
* data out phase
|
| 2790 |
|
|
*
|
| 2791 |
|
|
*/
|
| 2792 |
|
|
static void datao_init(struct Scsi_Host *shpnt)
|
| 2793 |
|
|
{
|
| 2794 |
|
|
SETPORT(DMACNTRL0, WRITE_READ | RSTFIFO);
|
| 2795 |
|
|
SETPORT(DMACNTRL0, WRITE_READ | ENDMA);
|
| 2796 |
|
|
|
| 2797 |
|
|
SETPORT(SXFRCTL0, CH1|CLRSTCNT);
|
| 2798 |
|
|
SETPORT(SXFRCTL0, CH1|SCSIEN|DMAEN);
|
| 2799 |
|
|
|
| 2800 |
|
|
SETPORT(SIMODE0, 0);
|
| 2801 |
|
|
SETPORT(SIMODE1, ENSCSIPERR | ENSCSIRST | ENPHASEMIS | ENBUSFREE );
|
| 2802 |
|
|
|
| 2803 |
|
|
DATA_LEN = CURRENT_SC->resid;
|
| 2804 |
|
|
|
| 2805 |
|
|
DPRINTK(debug_datao,
|
| 2806 |
|
|
DEBUG_LEAD "datao_init: request_bufflen=%d; resid=%d\n",
|
| 2807 |
|
|
CMDINFO(CURRENT_SC), CURRENT_SC->request_bufflen, CURRENT_SC->resid);
|
| 2808 |
|
|
}
|
| 2809 |
|
|
|
| 2810 |
|
|
static void datao_run(struct Scsi_Host *shpnt)
|
| 2811 |
|
|
{
|
| 2812 |
|
|
unsigned long the_time;
|
| 2813 |
|
|
int data_count;
|
| 2814 |
|
|
|
| 2815 |
|
|
/* until phase changes or all data sent */
|
| 2816 |
|
|
while(TESTLO(DMASTAT, INTSTAT) && CURRENT_SC->SCp.this_residual>0) {
|
| 2817 |
|
|
data_count = 128;
|
| 2818 |
|
|
if(data_count > CURRENT_SC->SCp.this_residual)
|
| 2819 |
|
|
data_count=CURRENT_SC->SCp.this_residual;
|
| 2820 |
|
|
|
| 2821 |
|
|
if(TESTLO(DMASTAT, DFIFOEMP)) {
|
| 2822 |
|
|
printk(ERR_LEAD "datao fifo not empty (%d)", CMDINFO(CURRENT_SC), GETPORT(FIFOSTAT));
|
| 2823 |
|
|
disp_ports(shpnt);
|
| 2824 |
|
|
break;
|
| 2825 |
|
|
}
|
| 2826 |
|
|
|
| 2827 |
|
|
if(data_count & 1) {
|
| 2828 |
|
|
SETPORT(DMACNTRL0,WRITE_READ|ENDMA|_8BIT);
|
| 2829 |
|
|
SETPORT(DATAPORT, *CURRENT_SC->SCp.ptr++);
|
| 2830 |
|
|
CURRENT_SC->SCp.this_residual--;
|
| 2831 |
|
|
CURRENT_SC->resid--;
|
| 2832 |
|
|
SETPORT(DMACNTRL0,WRITE_READ|ENDMA);
|
| 2833 |
|
|
}
|
| 2834 |
|
|
|
| 2835 |
|
|
if(data_count > 1) {
|
| 2836 |
|
|
data_count >>= 1;
|
| 2837 |
|
|
outsw(DATAPORT, CURRENT_SC->SCp.ptr, data_count);
|
| 2838 |
|
|
CURRENT_SC->SCp.ptr += 2 * data_count;
|
| 2839 |
|
|
CURRENT_SC->SCp.this_residual -= 2 * data_count;
|
| 2840 |
|
|
CURRENT_SC->resid -= 2 * data_count;
|
| 2841 |
|
|
}
|
| 2842 |
|
|
|
| 2843 |
|
|
if(CURRENT_SC->SCp.this_residual==0 && CURRENT_SC->SCp.buffers_residual>0) {
|
| 2844 |
|
|
/* advance to next buffer */
|
| 2845 |
|
|
CURRENT_SC->SCp.buffers_residual--;
|
| 2846 |
|
|
CURRENT_SC->SCp.buffer++;
|
| 2847 |
|
|
CURRENT_SC->SCp.ptr = SG_ADDRESS(CURRENT_SC->SCp.buffer);
|
| 2848 |
|
|
CURRENT_SC->SCp.this_residual = CURRENT_SC->SCp.buffer->length;
|
| 2849 |
|
|
}
|
| 2850 |
|
|
|
| 2851 |
|
|
the_time=jiffies + 100*HZ;
|
| 2852 |
|
|
while(TESTLO(DMASTAT, DFIFOEMP|INTSTAT) && time_before(jiffies,the_time))
|
| 2853 |
|
|
barrier();
|
| 2854 |
|
|
|
| 2855 |
|
|
if(TESTLO(DMASTAT, DFIFOEMP|INTSTAT)) {
|
| 2856 |
|
|
printk(ERR_LEAD "dataout timeout", CMDINFO(CURRENT_SC));
|
| 2857 |
|
|
disp_ports(shpnt);
|
| 2858 |
|
|
break;
|
| 2859 |
|
|
}
|
| 2860 |
|
|
}
|
| 2861 |
|
|
}
|
| 2862 |
|
|
|
| 2863 |
|
|
static void datao_end(struct Scsi_Host *shpnt)
|
| 2864 |
|
|
{
|
| 2865 |
|
|
if(TESTLO(DMASTAT, DFIFOEMP)) {
|
| 2866 |
|
|
int data_count = (DATA_LEN - CURRENT_SC->resid) - GETSTCNT();
|
| 2867 |
|
|
|
| 2868 |
|
|
DPRINTK(debug_datao, DEBUG_LEAD "datao: %d bytes to resend (%d written, %d transferred)\n",
|
| 2869 |
|
|
CMDINFO(CURRENT_SC),
|
| 2870 |
|
|
data_count,
|
| 2871 |
|
|
DATA_LEN-CURRENT_SC->resid,
|
| 2872 |
|
|
GETSTCNT());
|
| 2873 |
|
|
|
| 2874 |
|
|
CURRENT_SC->resid += data_count;
|
| 2875 |
|
|
|
| 2876 |
|
|
if(CURRENT_SC->use_sg) {
|
| 2877 |
|
|
data_count -= CURRENT_SC->SCp.ptr - SG_ADDRESS(CURRENT_SC->SCp.buffer);
|
| 2878 |
|
|
while(data_count>0) {
|
| 2879 |
|
|
CURRENT_SC->SCp.buffer--;
|
| 2880 |
|
|
CURRENT_SC->SCp.buffers_residual++;
|
| 2881 |
|
|
data_count -= CURRENT_SC->SCp.buffer->length;
|
| 2882 |
|
|
}
|
| 2883 |
|
|
CURRENT_SC->SCp.ptr = SG_ADDRESS(CURRENT_SC->SCp.buffer) - data_count;
|
| 2884 |
|
|
CURRENT_SC->SCp.this_residual = CURRENT_SC->SCp.buffer->length + data_count;
|
| 2885 |
|
|
} else {
|
| 2886 |
|
|
CURRENT_SC->SCp.ptr -= data_count;
|
| 2887 |
|
|
CURRENT_SC->SCp.this_residual += data_count;
|
| 2888 |
|
|
}
|
| 2889 |
|
|
}
|
| 2890 |
|
|
|
| 2891 |
|
|
DPRINTK(debug_datao, DEBUG_LEAD "datao_end: request_bufflen=%d; resid=%d; stcnt=%d\n",
|
| 2892 |
|
|
CMDINFO(CURRENT_SC),
|
| 2893 |
|
|
CURRENT_SC->request_bufflen,
|
| 2894 |
|
|
CURRENT_SC->resid,
|
| 2895 |
|
|
GETSTCNT());
|
| 2896 |
|
|
|
| 2897 |
|
|
SETPORT(SXFRCTL0, CH1|CLRCH1|CLRSTCNT);
|
| 2898 |
|
|
SETPORT(SXFRCTL0, CH1);
|
| 2899 |
|
|
|
| 2900 |
|
|
SETPORT(DMACNTRL0, 0);
|
| 2901 |
|
|
}
|
| 2902 |
|
|
|
| 2903 |
|
|
/*
|
| 2904 |
|
|
* figure out what state we're in
|
| 2905 |
|
|
*
|
| 2906 |
|
|
*/
|
| 2907 |
|
|
static int update_state(struct Scsi_Host *shpnt)
|
| 2908 |
|
|
{
|
| 2909 |
|
|
int dataphase=0;
|
| 2910 |
|
|
unsigned int stat0 = GETPORT(SSTAT0);
|
| 2911 |
|
|
unsigned int stat1 = GETPORT(SSTAT1);
|
| 2912 |
|
|
|
| 2913 |
|
|
PREVSTATE = STATE;
|
| 2914 |
|
|
STATE=unknown;
|
| 2915 |
|
|
|
| 2916 |
|
|
if(stat1 & SCSIRSTI) {
|
| 2917 |
|
|
STATE=rsti;
|
| 2918 |
|
|
SETPORT(SCSISEQ,0);
|
| 2919 |
|
|
SETPORT(SSTAT1,SCSIRSTI);
|
| 2920 |
|
|
} else if(stat0 & SELDI && PREVSTATE==busfree) {
|
| 2921 |
|
|
STATE=seldi;
|
| 2922 |
|
|
} else if(stat0 & SELDO && CURRENT_SC && (CURRENT_SC->SCp.phase & selecting)) {
|
| 2923 |
|
|
STATE=seldo;
|
| 2924 |
|
|
} else if(stat1 & SELTO) {
|
| 2925 |
|
|
STATE=selto;
|
| 2926 |
|
|
} else if(stat1 & BUSFREE) {
|
| 2927 |
|
|
STATE=busfree;
|
| 2928 |
|
|
SETPORT(SSTAT1,BUSFREE);
|
| 2929 |
|
|
} else if(stat1 & SCSIPERR) {
|
| 2930 |
|
|
STATE=parerr;
|
| 2931 |
|
|
SETPORT(SSTAT1,SCSIPERR);
|
| 2932 |
|
|
} else if(stat1 & REQINIT) {
|
| 2933 |
|
|
switch(GETPORT(SCSISIG) & P_MASK) {
|
| 2934 |
|
|
case P_MSGI: STATE=msgi; break;
|
| 2935 |
|
|
case P_MSGO: STATE=msgo; break;
|
| 2936 |
|
|
case P_DATAO: STATE=datao; break;
|
| 2937 |
|
|
case P_DATAI: STATE=datai; break;
|
| 2938 |
|
|
case P_STATUS: STATE=status; break;
|
| 2939 |
|
|
case P_CMD: STATE=cmd; break;
|
| 2940 |
|
|
}
|
| 2941 |
|
|
dataphase=1;
|
| 2942 |
|
|
}
|
| 2943 |
|
|
|
| 2944 |
|
|
if((stat0 & SELDI) && STATE!=seldi && !dataphase) {
|
| 2945 |
|
|
printk(INFO_LEAD "reselection missed?", CMDINFO(CURRENT_SC));
|
| 2946 |
|
|
disp_ports(shpnt);
|
| 2947 |
|
|
}
|
| 2948 |
|
|
|
| 2949 |
|
|
if(STATE!=PREVSTATE) {
|
| 2950 |
|
|
LASTSTATE=PREVSTATE;
|
| 2951 |
|
|
}
|
| 2952 |
|
|
|
| 2953 |
|
|
return dataphase;
|
| 2954 |
|
|
}
|
| 2955 |
|
|
|
| 2956 |
|
|
/*
|
| 2957 |
|
|
* handle parity error
|
| 2958 |
|
|
*
|
| 2959 |
|
|
* FIXME: in which phase?
|
| 2960 |
|
|
*
|
| 2961 |
|
|
*/
|
| 2962 |
|
|
static void parerr_run(struct Scsi_Host *shpnt)
|
| 2963 |
|
|
{
|
| 2964 |
|
|
printk(ERR_LEAD "parity error\n", CMDINFO(CURRENT_SC));
|
| 2965 |
|
|
done(shpnt, DID_PARITY << 16);
|
| 2966 |
|
|
}
|
| 2967 |
|
|
|
| 2968 |
|
|
/*
|
| 2969 |
|
|
* handle reset in
|
| 2970 |
|
|
*
|
| 2971 |
|
|
*/
|
| 2972 |
|
|
static void rsti_run(struct Scsi_Host *shpnt)
|
| 2973 |
|
|
{
|
| 2974 |
|
|
Scsi_Cmnd *ptr;
|
| 2975 |
|
|
|
| 2976 |
|
|
printk(KERN_NOTICE "aha152x%d: scsi reset in\n", HOSTNO);
|
| 2977 |
|
|
|
| 2978 |
|
|
ptr=DISCONNECTED_SC;
|
| 2979 |
|
|
while(ptr) {
|
| 2980 |
|
|
Scsi_Cmnd *next = SCNEXT(ptr);
|
| 2981 |
|
|
|
| 2982 |
|
|
if (!ptr->device->soft_reset) {
|
| 2983 |
|
|
remove_SC(&DISCONNECTED_SC, ptr);
|
| 2984 |
|
|
|
| 2985 |
|
|
ptr->result = DID_RESET << 16;
|
| 2986 |
|
|
ptr->scsi_done(ptr);
|
| 2987 |
|
|
|
| 2988 |
|
|
kfree(ptr->host_scribble);
|
| 2989 |
|
|
ptr->host_scribble=0;
|
| 2990 |
|
|
}
|
| 2991 |
|
|
|
| 2992 |
|
|
ptr = next;
|
| 2993 |
|
|
}
|
| 2994 |
|
|
|
| 2995 |
|
|
if(CURRENT_SC && !CURRENT_SC->device->soft_reset)
|
| 2996 |
|
|
done(shpnt, DID_RESET << 16 );
|
| 2997 |
|
|
}
|
| 2998 |
|
|
|
| 2999 |
|
|
|
| 3000 |
|
|
/*
|
| 3001 |
|
|
* bottom-half handler
|
| 3002 |
|
|
*
|
| 3003 |
|
|
*/
|
| 3004 |
|
|
static void is_complete(struct Scsi_Host *shpnt)
|
| 3005 |
|
|
{
|
| 3006 |
|
|
int dataphase;
|
| 3007 |
|
|
unsigned long flags;
|
| 3008 |
|
|
int pending;
|
| 3009 |
|
|
|
| 3010 |
|
|
DO_LOCK(flags);
|
| 3011 |
|
|
if(HOSTDATA(shpnt)->in_intr!=0) {
|
| 3012 |
|
|
DO_UNLOCK(flags);
|
| 3013 |
|
|
/* aha152x_error never returns.. */
|
| 3014 |
|
|
aha152x_error(shpnt, "bottom-half already running!?");
|
| 3015 |
|
|
}
|
| 3016 |
|
|
HOSTDATA(shpnt)->in_intr++;
|
| 3017 |
|
|
DO_UNLOCK(flags);
|
| 3018 |
|
|
|
| 3019 |
|
|
/*
|
| 3020 |
|
|
* loop while there are interrupt conditions pending
|
| 3021 |
|
|
*
|
| 3022 |
|
|
*/
|
| 3023 |
|
|
do {
|
| 3024 |
|
|
unsigned long start = jiffies;
|
| 3025 |
|
|
dataphase=update_state(shpnt);
|
| 3026 |
|
|
|
| 3027 |
|
|
DPRINTK(debug_phases, LEAD "start %s %s(%s)\n", CMDINFO(CURRENT_SC), states[STATE].name, states[PREVSTATE].name, states[LASTSTATE].name);
|
| 3028 |
|
|
|
| 3029 |
|
|
/*
|
| 3030 |
|
|
* end previous state
|
| 3031 |
|
|
*
|
| 3032 |
|
|
*/
|
| 3033 |
|
|
if(PREVSTATE!=STATE && states[PREVSTATE].end)
|
| 3034 |
|
|
states[PREVSTATE].end(shpnt);
|
| 3035 |
|
|
|
| 3036 |
|
|
/*
|
| 3037 |
|
|
* disable SPIO mode if previous phase used it
|
| 3038 |
|
|
* and this one doesn't
|
| 3039 |
|
|
*
|
| 3040 |
|
|
*/
|
| 3041 |
|
|
if(states[PREVSTATE].spio && !states[STATE].spio) {
|
| 3042 |
|
|
SETPORT(SXFRCTL0, CH1);
|
| 3043 |
|
|
SETPORT(DMACNTRL0, 0);
|
| 3044 |
|
|
if(CURRENT_SC)
|
| 3045 |
|
|
CURRENT_SC->SCp.phase &= ~spiordy;
|
| 3046 |
|
|
}
|
| 3047 |
|
|
|
| 3048 |
|
|
/*
|
| 3049 |
|
|
* accept current dataphase phase
|
| 3050 |
|
|
*
|
| 3051 |
|
|
*/
|
| 3052 |
|
|
if(dataphase) {
|
| 3053 |
|
|
SETPORT(SSTAT0, REQINIT);
|
| 3054 |
|
|
SETPORT(SCSISIG, GETPORT(SCSISIG) & P_MASK);
|
| 3055 |
|
|
SETPORT(SSTAT1, PHASECHG);
|
| 3056 |
|
|
}
|
| 3057 |
|
|
|
| 3058 |
|
|
/*
|
| 3059 |
|
|
* enable SPIO mode if previous didn't use it
|
| 3060 |
|
|
* and this one does
|
| 3061 |
|
|
*
|
| 3062 |
|
|
*/
|
| 3063 |
|
|
if(!states[PREVSTATE].spio && states[STATE].spio) {
|
| 3064 |
|
|
SETPORT(DMACNTRL0, 0);
|
| 3065 |
|
|
SETPORT(SXFRCTL0, CH1|SPIOEN);
|
| 3066 |
|
|
if(CURRENT_SC)
|
| 3067 |
|
|
CURRENT_SC->SCp.phase |= spiordy;
|
| 3068 |
|
|
}
|
| 3069 |
|
|
|
| 3070 |
|
|
/*
|
| 3071 |
|
|
* initialize for new state
|
| 3072 |
|
|
*
|
| 3073 |
|
|
*/
|
| 3074 |
|
|
if(PREVSTATE!=STATE && states[STATE].init)
|
| 3075 |
|
|
states[STATE].init(shpnt);
|
| 3076 |
|
|
|
| 3077 |
|
|
/*
|
| 3078 |
|
|
* handle current state
|
| 3079 |
|
|
*
|
| 3080 |
|
|
*/
|
| 3081 |
|
|
if(states[STATE].run)
|
| 3082 |
|
|
states[STATE].run(shpnt);
|
| 3083 |
|
|
else
|
| 3084 |
|
|
printk(ERR_LEAD "unexpected state (%x)\n", CMDINFO(CURRENT_SC), STATE);
|
| 3085 |
|
|
|
| 3086 |
|
|
/*
|
| 3087 |
|
|
* setup controller to interrupt on
|
| 3088 |
|
|
* the next expected condition and
|
| 3089 |
|
|
* loop if it's already there
|
| 3090 |
|
|
*
|
| 3091 |
|
|
*/
|
| 3092 |
|
|
DO_LOCK(flags);
|
| 3093 |
|
|
pending=setup_expected_interrupts(shpnt);
|
| 3094 |
|
|
#if defined(AHA152X_STAT)
|
| 3095 |
|
|
HOSTDATA(shpnt)->count[STATE]++;
|
| 3096 |
|
|
if(PREVSTATE!=STATE)
|
| 3097 |
|
|
HOSTDATA(shpnt)->count_trans[STATE]++;
|
| 3098 |
|
|
HOSTDATA(shpnt)->time[STATE] += jiffies-start;
|
| 3099 |
|
|
#endif
|
| 3100 |
|
|
DO_UNLOCK(flags);
|
| 3101 |
|
|
|
| 3102 |
|
|
DPRINTK(debug_phases, LEAD "end %s %s(%s)\n", CMDINFO(CURRENT_SC), states[STATE].name, states[PREVSTATE].name, states[LASTSTATE].name);
|
| 3103 |
|
|
} while(pending);
|
| 3104 |
|
|
|
| 3105 |
|
|
/*
|
| 3106 |
|
|
* enable interrupts and leave bottom-half
|
| 3107 |
|
|
*
|
| 3108 |
|
|
*/
|
| 3109 |
|
|
DO_LOCK(flags);
|
| 3110 |
|
|
HOSTDATA(shpnt)->in_intr--;
|
| 3111 |
|
|
SETBITS(DMACNTRL0, INTEN);
|
| 3112 |
|
|
DO_UNLOCK(flags);
|
| 3113 |
|
|
}
|
| 3114 |
|
|
|
| 3115 |
|
|
|
| 3116 |
|
|
/*
|
| 3117 |
|
|
* Dump the current driver status and panic
|
| 3118 |
|
|
*/
|
| 3119 |
|
|
static void aha152x_error(struct Scsi_Host *shpnt, char *msg)
|
| 3120 |
|
|
{
|
| 3121 |
|
|
printk(KERN_EMERG "\naha152x%d: %s\n", HOSTNO, msg);
|
| 3122 |
|
|
show_queues(shpnt);
|
| 3123 |
|
|
panic("aha152x panic\n");
|
| 3124 |
|
|
}
|
| 3125 |
|
|
|
| 3126 |
|
|
/*
|
| 3127 |
|
|
* Display registers of AIC-6260
|
| 3128 |
|
|
*/
|
| 3129 |
|
|
static void disp_ports(struct Scsi_Host *shpnt)
|
| 3130 |
|
|
{
|
| 3131 |
|
|
#if defined(AHA152X_DEBUG)
|
| 3132 |
|
|
int s;
|
| 3133 |
|
|
|
| 3134 |
|
|
printk("\n%s: %s(%s) ",
|
| 3135 |
|
|
CURRENT_SC ? "busy" : "waiting",
|
| 3136 |
|
|
states[STATE].name,
|
| 3137 |
|
|
states[PREVSTATE].name);
|
| 3138 |
|
|
|
| 3139 |
|
|
s = GETPORT(SCSISEQ);
|
| 3140 |
|
|
printk("SCSISEQ( ");
|
| 3141 |
|
|
if (s & TEMODEO)
|
| 3142 |
|
|
printk("TARGET MODE ");
|
| 3143 |
|
|
if (s & ENSELO)
|
| 3144 |
|
|
printk("SELO ");
|
| 3145 |
|
|
if (s & ENSELI)
|
| 3146 |
|
|
printk("SELI ");
|
| 3147 |
|
|
if (s & ENRESELI)
|
| 3148 |
|
|
printk("RESELI ");
|
| 3149 |
|
|
if (s & ENAUTOATNO)
|
| 3150 |
|
|
printk("AUTOATNO ");
|
| 3151 |
|
|
if (s & ENAUTOATNI)
|
| 3152 |
|
|
printk("AUTOATNI ");
|
| 3153 |
|
|
if (s & ENAUTOATNP)
|
| 3154 |
|
|
printk("AUTOATNP ");
|
| 3155 |
|
|
if (s & SCSIRSTO)
|
| 3156 |
|
|
printk("SCSIRSTO ");
|
| 3157 |
|
|
printk(");");
|
| 3158 |
|
|
|
| 3159 |
|
|
printk(" SCSISIG(");
|
| 3160 |
|
|
s = GETPORT(SCSISIG);
|
| 3161 |
|
|
switch (s & P_MASK) {
|
| 3162 |
|
|
case P_DATAO:
|
| 3163 |
|
|
printk("DATA OUT");
|
| 3164 |
|
|
break;
|
| 3165 |
|
|
case P_DATAI:
|
| 3166 |
|
|
printk("DATA IN");
|
| 3167 |
|
|
break;
|
| 3168 |
|
|
case P_CMD:
|
| 3169 |
|
|
printk("COMMAND");
|
| 3170 |
|
|
break;
|
| 3171 |
|
|
case P_STATUS:
|
| 3172 |
|
|
printk("STATUS");
|
| 3173 |
|
|
break;
|
| 3174 |
|
|
case P_MSGO:
|
| 3175 |
|
|
printk("MESSAGE OUT");
|
| 3176 |
|
|
break;
|
| 3177 |
|
|
case P_MSGI:
|
| 3178 |
|
|
printk("MESSAGE IN");
|
| 3179 |
|
|
break;
|
| 3180 |
|
|
default:
|
| 3181 |
|
|
printk("*illegal*");
|
| 3182 |
|
|
break;
|
| 3183 |
|
|
}
|
| 3184 |
|
|
|
| 3185 |
|
|
printk("); ");
|
| 3186 |
|
|
|
| 3187 |
|
|
printk("INTSTAT (%s); ", TESTHI(DMASTAT, INTSTAT) ? "hi" : "lo");
|
| 3188 |
|
|
|
| 3189 |
|
|
printk("SSTAT( ");
|
| 3190 |
|
|
s = GETPORT(SSTAT0);
|
| 3191 |
|
|
if (s & TARGET)
|
| 3192 |
|
|
printk("TARGET ");
|
| 3193 |
|
|
if (s & SELDO)
|
| 3194 |
|
|
printk("SELDO ");
|
| 3195 |
|
|
if (s & SELDI)
|
| 3196 |
|
|
printk("SELDI ");
|
| 3197 |
|
|
if (s & SELINGO)
|
| 3198 |
|
|
printk("SELINGO ");
|
| 3199 |
|
|
if (s & SWRAP)
|
| 3200 |
|
|
printk("SWRAP ");
|
| 3201 |
|
|
if (s & SDONE)
|
| 3202 |
|
|
printk("SDONE ");
|
| 3203 |
|
|
if (s & SPIORDY)
|
| 3204 |
|
|
printk("SPIORDY ");
|
| 3205 |
|
|
if (s & DMADONE)
|
| 3206 |
|
|
printk("DMADONE ");
|
| 3207 |
|
|
|
| 3208 |
|
|
s = GETPORT(SSTAT1);
|
| 3209 |
|
|
if (s & SELTO)
|
| 3210 |
|
|
printk("SELTO ");
|
| 3211 |
|
|
if (s & ATNTARG)
|
| 3212 |
|
|
printk("ATNTARG ");
|
| 3213 |
|
|
if (s & SCSIRSTI)
|
| 3214 |
|
|
printk("SCSIRSTI ");
|
| 3215 |
|
|
if (s & PHASEMIS)
|
| 3216 |
|
|
printk("PHASEMIS ");
|
| 3217 |
|
|
if (s & BUSFREE)
|
| 3218 |
|
|
printk("BUSFREE ");
|
| 3219 |
|
|
if (s & SCSIPERR)
|
| 3220 |
|
|
printk("SCSIPERR ");
|
| 3221 |
|
|
if (s & PHASECHG)
|
| 3222 |
|
|
printk("PHASECHG ");
|
| 3223 |
|
|
if (s & REQINIT)
|
| 3224 |
|
|
printk("REQINIT ");
|
| 3225 |
|
|
printk("); ");
|
| 3226 |
|
|
|
| 3227 |
|
|
|
| 3228 |
|
|
printk("SSTAT( ");
|
| 3229 |
|
|
|
| 3230 |
|
|
s = GETPORT(SSTAT0) & GETPORT(SIMODE0);
|
| 3231 |
|
|
|
| 3232 |
|
|
if (s & TARGET)
|
| 3233 |
|
|
printk("TARGET ");
|
| 3234 |
|
|
if (s & SELDO)
|
| 3235 |
|
|
printk("SELDO ");
|
| 3236 |
|
|
if (s & SELDI)
|
| 3237 |
|
|
printk("SELDI ");
|
| 3238 |
|
|
if (s & SELINGO)
|
| 3239 |
|
|
printk("SELINGO ");
|
| 3240 |
|
|
if (s & SWRAP)
|
| 3241 |
|
|
printk("SWRAP ");
|
| 3242 |
|
|
if (s & SDONE)
|
| 3243 |
|
|
printk("SDONE ");
|
| 3244 |
|
|
if (s & SPIORDY)
|
| 3245 |
|
|
printk("SPIORDY ");
|
| 3246 |
|
|
if (s & DMADONE)
|
| 3247 |
|
|
printk("DMADONE ");
|
| 3248 |
|
|
|
| 3249 |
|
|
s = GETPORT(SSTAT1) & GETPORT(SIMODE1);
|
| 3250 |
|
|
|
| 3251 |
|
|
if (s & SELTO)
|
| 3252 |
|
|
printk("SELTO ");
|
| 3253 |
|
|
if (s & ATNTARG)
|
| 3254 |
|
|
printk("ATNTARG ");
|
| 3255 |
|
|
if (s & SCSIRSTI)
|
| 3256 |
|
|
printk("SCSIRSTI ");
|
| 3257 |
|
|
if (s & PHASEMIS)
|
| 3258 |
|
|
printk("PHASEMIS ");
|
| 3259 |
|
|
if (s & BUSFREE)
|
| 3260 |
|
|
printk("BUSFREE ");
|
| 3261 |
|
|
if (s & SCSIPERR)
|
| 3262 |
|
|
printk("SCSIPERR ");
|
| 3263 |
|
|
if (s & PHASECHG)
|
| 3264 |
|
|
printk("PHASECHG ");
|
| 3265 |
|
|
if (s & REQINIT)
|
| 3266 |
|
|
printk("REQINIT ");
|
| 3267 |
|
|
printk("); ");
|
| 3268 |
|
|
|
| 3269 |
|
|
printk("SXFRCTL0( ");
|
| 3270 |
|
|
|
| 3271 |
|
|
s = GETPORT(SXFRCTL0);
|
| 3272 |
|
|
if (s & SCSIEN)
|
| 3273 |
|
|
printk("SCSIEN ");
|
| 3274 |
|
|
if (s & DMAEN)
|
| 3275 |
|
|
printk("DMAEN ");
|
| 3276 |
|
|
if (s & CH1)
|
| 3277 |
|
|
printk("CH1 ");
|
| 3278 |
|
|
if (s & CLRSTCNT)
|
| 3279 |
|
|
printk("CLRSTCNT ");
|
| 3280 |
|
|
if (s & SPIOEN)
|
| 3281 |
|
|
printk("SPIOEN ");
|
| 3282 |
|
|
if (s & CLRCH1)
|
| 3283 |
|
|
printk("CLRCH1 ");
|
| 3284 |
|
|
printk("); ");
|
| 3285 |
|
|
|
| 3286 |
|
|
printk("SIGNAL( ");
|
| 3287 |
|
|
|
| 3288 |
|
|
s = GETPORT(SCSISIG);
|
| 3289 |
|
|
if (s & SIG_ATNI)
|
| 3290 |
|
|
printk("ATNI ");
|
| 3291 |
|
|
if (s & SIG_SELI)
|
| 3292 |
|
|
printk("SELI ");
|
| 3293 |
|
|
if (s & SIG_BSYI)
|
| 3294 |
|
|
printk("BSYI ");
|
| 3295 |
|
|
if (s & SIG_REQI)
|
| 3296 |
|
|
printk("REQI ");
|
| 3297 |
|
|
if (s & SIG_ACKI)
|
| 3298 |
|
|
printk("ACKI ");
|
| 3299 |
|
|
printk("); ");
|
| 3300 |
|
|
|
| 3301 |
|
|
printk("SELID (%02x), ", GETPORT(SELID));
|
| 3302 |
|
|
|
| 3303 |
|
|
printk("STCNT (%d), ", GETSTCNT());
|
| 3304 |
|
|
|
| 3305 |
|
|
printk("SSTAT2( ");
|
| 3306 |
|
|
|
| 3307 |
|
|
s = GETPORT(SSTAT2);
|
| 3308 |
|
|
if (s & SOFFSET)
|
| 3309 |
|
|
printk("SOFFSET ");
|
| 3310 |
|
|
if (s & SEMPTY)
|
| 3311 |
|
|
printk("SEMPTY ");
|
| 3312 |
|
|
if (s & SFULL)
|
| 3313 |
|
|
printk("SFULL ");
|
| 3314 |
|
|
printk("); SFCNT (%d); ", s & (SFULL | SFCNT));
|
| 3315 |
|
|
|
| 3316 |
|
|
s = GETPORT(SSTAT3);
|
| 3317 |
|
|
printk("SCSICNT (%d), OFFCNT(%d), ", (s & 0xf0) >> 4, s & 0x0f);
|
| 3318 |
|
|
|
| 3319 |
|
|
printk("SSTAT4( ");
|
| 3320 |
|
|
s = GETPORT(SSTAT4);
|
| 3321 |
|
|
if (s & SYNCERR)
|
| 3322 |
|
|
printk("SYNCERR ");
|
| 3323 |
|
|
if (s & FWERR)
|
| 3324 |
|
|
printk("FWERR ");
|
| 3325 |
|
|
if (s & FRERR)
|
| 3326 |
|
|
printk("FRERR ");
|
| 3327 |
|
|
printk("); ");
|
| 3328 |
|
|
|
| 3329 |
|
|
printk("DMACNTRL0( ");
|
| 3330 |
|
|
s = GETPORT(DMACNTRL0);
|
| 3331 |
|
|
printk("%s ", s & _8BIT ? "8BIT" : "16BIT");
|
| 3332 |
|
|
printk("%s ", s & DMA ? "DMA" : "PIO");
|
| 3333 |
|
|
printk("%s ", s & WRITE_READ ? "WRITE" : "READ");
|
| 3334 |
|
|
if (s & ENDMA)
|
| 3335 |
|
|
printk("ENDMA ");
|
| 3336 |
|
|
if (s & INTEN)
|
| 3337 |
|
|
printk("INTEN ");
|
| 3338 |
|
|
if (s & RSTFIFO)
|
| 3339 |
|
|
printk("RSTFIFO ");
|
| 3340 |
|
|
if (s & SWINT)
|
| 3341 |
|
|
printk("SWINT ");
|
| 3342 |
|
|
printk("); ");
|
| 3343 |
|
|
|
| 3344 |
|
|
printk("DMASTAT( ");
|
| 3345 |
|
|
s = GETPORT(DMASTAT);
|
| 3346 |
|
|
if (s & ATDONE)
|
| 3347 |
|
|
printk("ATDONE ");
|
| 3348 |
|
|
if (s & WORDRDY)
|
| 3349 |
|
|
printk("WORDRDY ");
|
| 3350 |
|
|
if (s & DFIFOFULL)
|
| 3351 |
|
|
printk("DFIFOFULL ");
|
| 3352 |
|
|
if (s & DFIFOEMP)
|
| 3353 |
|
|
printk("DFIFOEMP ");
|
| 3354 |
|
|
printk(")\n");
|
| 3355 |
|
|
#endif
|
| 3356 |
|
|
}
|
| 3357 |
|
|
|
| 3358 |
|
|
/*
|
| 3359 |
|
|
* display enabled interrupts
|
| 3360 |
|
|
*/
|
| 3361 |
|
|
static void disp_enintr(struct Scsi_Host *shpnt)
|
| 3362 |
|
|
{
|
| 3363 |
|
|
int s;
|
| 3364 |
|
|
|
| 3365 |
|
|
printk(KERN_DEBUG "enabled interrupts ( ");
|
| 3366 |
|
|
|
| 3367 |
|
|
s = GETPORT(SIMODE0);
|
| 3368 |
|
|
if (s & ENSELDO)
|
| 3369 |
|
|
printk("ENSELDO ");
|
| 3370 |
|
|
if (s & ENSELDI)
|
| 3371 |
|
|
printk("ENSELDI ");
|
| 3372 |
|
|
if (s & ENSELINGO)
|
| 3373 |
|
|
printk("ENSELINGO ");
|
| 3374 |
|
|
if (s & ENSWRAP)
|
| 3375 |
|
|
printk("ENSWRAP ");
|
| 3376 |
|
|
if (s & ENSDONE)
|
| 3377 |
|
|
printk("ENSDONE ");
|
| 3378 |
|
|
if (s & ENSPIORDY)
|
| 3379 |
|
|
printk("ENSPIORDY ");
|
| 3380 |
|
|
if (s & ENDMADONE)
|
| 3381 |
|
|
printk("ENDMADONE ");
|
| 3382 |
|
|
|
| 3383 |
|
|
s = GETPORT(SIMODE1);
|
| 3384 |
|
|
if (s & ENSELTIMO)
|
| 3385 |
|
|
printk("ENSELTIMO ");
|
| 3386 |
|
|
if (s & ENATNTARG)
|
| 3387 |
|
|
printk("ENATNTARG ");
|
| 3388 |
|
|
if (s & ENPHASEMIS)
|
| 3389 |
|
|
printk("ENPHASEMIS ");
|
| 3390 |
|
|
if (s & ENBUSFREE)
|
| 3391 |
|
|
printk("ENBUSFREE ");
|
| 3392 |
|
|
if (s & ENSCSIPERR)
|
| 3393 |
|
|
printk("ENSCSIPERR ");
|
| 3394 |
|
|
if (s & ENPHASECHG)
|
| 3395 |
|
|
printk("ENPHASECHG ");
|
| 3396 |
|
|
if (s & ENREQINIT)
|
| 3397 |
|
|
printk("ENREQINIT ");
|
| 3398 |
|
|
printk(")\n");
|
| 3399 |
|
|
}
|
| 3400 |
|
|
|
| 3401 |
|
|
/*
|
| 3402 |
|
|
* Show the command data of a command
|
| 3403 |
|
|
*/
|
| 3404 |
|
|
static void show_command(Scsi_Cmnd *ptr)
|
| 3405 |
|
|
{
|
| 3406 |
|
|
printk(KERN_DEBUG "0x%08x: target=%d; lun=%d; cmnd=(",
|
| 3407 |
|
|
(unsigned int) ptr, ptr->target, ptr->lun);
|
| 3408 |
|
|
|
| 3409 |
|
|
print_command(ptr->cmnd);
|
| 3410 |
|
|
|
| 3411 |
|
|
printk(KERN_DEBUG "); request_bufflen=%d; resid=%d; phase |",
|
| 3412 |
|
|
ptr->request_bufflen, ptr->resid);
|
| 3413 |
|
|
|
| 3414 |
|
|
if (ptr->SCp.phase & not_issued)
|
| 3415 |
|
|
printk("not issued|");
|
| 3416 |
|
|
if (ptr->SCp.phase & selecting)
|
| 3417 |
|
|
printk("selecting|");
|
| 3418 |
|
|
if (ptr->SCp.phase & identified)
|
| 3419 |
|
|
printk("identified|");
|
| 3420 |
|
|
if (ptr->SCp.phase & disconnected)
|
| 3421 |
|
|
printk("disconnected|");
|
| 3422 |
|
|
if (ptr->SCp.phase & completed)
|
| 3423 |
|
|
printk("completed|");
|
| 3424 |
|
|
if (ptr->SCp.phase & spiordy)
|
| 3425 |
|
|
printk("spiordy|");
|
| 3426 |
|
|
if (ptr->SCp.phase & syncneg)
|
| 3427 |
|
|
printk("syncneg|");
|
| 3428 |
|
|
if (ptr->SCp.phase & aborted)
|
| 3429 |
|
|
printk("aborted|");
|
| 3430 |
|
|
if (ptr->SCp.phase & resetted)
|
| 3431 |
|
|
printk("resetted|");
|
| 3432 |
|
|
printk("; next=0x%p\n", SCNEXT(ptr));
|
| 3433 |
|
|
}
|
| 3434 |
|
|
|
| 3435 |
|
|
/*
|
| 3436 |
|
|
* Dump the queued data
|
| 3437 |
|
|
*/
|
| 3438 |
|
|
static void show_queues(struct Scsi_Host *shpnt)
|
| 3439 |
|
|
{
|
| 3440 |
|
|
Scsi_Cmnd *ptr;
|
| 3441 |
|
|
unsigned long flags;
|
| 3442 |
|
|
|
| 3443 |
|
|
DO_LOCK(flags);
|
| 3444 |
|
|
printk(KERN_DEBUG "\nqueue status:\nissue_SC:\n");
|
| 3445 |
|
|
for (ptr = ISSUE_SC; ptr; ptr = SCNEXT(ptr))
|
| 3446 |
|
|
show_command(ptr);
|
| 3447 |
|
|
DO_UNLOCK(flags);
|
| 3448 |
|
|
|
| 3449 |
|
|
printk(KERN_DEBUG "current_SC:\n");
|
| 3450 |
|
|
if (CURRENT_SC)
|
| 3451 |
|
|
show_command(CURRENT_SC);
|
| 3452 |
|
|
else
|
| 3453 |
|
|
printk(KERN_DEBUG "none\n");
|
| 3454 |
|
|
|
| 3455 |
|
|
printk(KERN_DEBUG "disconnected_SC:\n");
|
| 3456 |
|
|
for (ptr = DISCONNECTED_SC; ptr; ptr = SCNEXT(ptr))
|
| 3457 |
|
|
show_command(ptr);
|
| 3458 |
|
|
|
| 3459 |
|
|
disp_ports(shpnt);
|
| 3460 |
|
|
disp_enintr(shpnt);
|
| 3461 |
|
|
}
|
| 3462 |
|
|
|
| 3463 |
|
|
#undef SPRINTF
|
| 3464 |
|
|
#define SPRINTF(args...) pos += sprintf(pos, ## args)
|
| 3465 |
|
|
|
| 3466 |
|
|
static int get_command(char *pos, Scsi_Cmnd * ptr)
|
| 3467 |
|
|
{
|
| 3468 |
|
|
char *start = pos;
|
| 3469 |
|
|
int i;
|
| 3470 |
|
|
|
| 3471 |
|
|
SPRINTF("0x%08x: target=%d; lun=%d; cmnd=( ",
|
| 3472 |
|
|
(unsigned int) ptr, ptr->target, ptr->lun);
|
| 3473 |
|
|
|
| 3474 |
|
|
for (i = 0; i < COMMAND_SIZE(ptr->cmnd[0]); i++)
|
| 3475 |
|
|
SPRINTF("0x%02x ", ptr->cmnd[i]);
|
| 3476 |
|
|
|
| 3477 |
|
|
SPRINTF("); resid=%d; residual=%d; buffers=%d; phase |",
|
| 3478 |
|
|
ptr->resid, ptr->SCp.this_residual, ptr->SCp.buffers_residual);
|
| 3479 |
|
|
|
| 3480 |
|
|
if (ptr->SCp.phase & not_issued)
|
| 3481 |
|
|
SPRINTF("not issued|");
|
| 3482 |
|
|
if (ptr->SCp.phase & selecting)
|
| 3483 |
|
|
SPRINTF("selecting|");
|
| 3484 |
|
|
if (ptr->SCp.phase & disconnected)
|
| 3485 |
|
|
SPRINTF("disconnected|");
|
| 3486 |
|
|
if (ptr->SCp.phase & aborted)
|
| 3487 |
|
|
SPRINTF("aborted|");
|
| 3488 |
|
|
if (ptr->SCp.phase & identified)
|
| 3489 |
|
|
SPRINTF("identified|");
|
| 3490 |
|
|
if (ptr->SCp.phase & completed)
|
| 3491 |
|
|
SPRINTF("completed|");
|
| 3492 |
|
|
if (ptr->SCp.phase & spiordy)
|
| 3493 |
|
|
SPRINTF("spiordy|");
|
| 3494 |
|
|
if (ptr->SCp.phase & syncneg)
|
| 3495 |
|
|
SPRINTF("syncneg|");
|
| 3496 |
|
|
SPRINTF("; next=0x%p\n", SCNEXT(ptr));
|
| 3497 |
|
|
|
| 3498 |
|
|
return (pos - start);
|
| 3499 |
|
|
}
|
| 3500 |
|
|
|
| 3501 |
|
|
static int get_ports(struct Scsi_Host *shpnt, char *pos)
|
| 3502 |
|
|
{
|
| 3503 |
|
|
char *start = pos;
|
| 3504 |
|
|
int s;
|
| 3505 |
|
|
|
| 3506 |
|
|
SPRINTF("\n%s: %s(%s) ", CURRENT_SC ? "on bus" : "waiting", states[STATE].name, states[PREVSTATE].name);
|
| 3507 |
|
|
|
| 3508 |
|
|
s = GETPORT(SCSISEQ);
|
| 3509 |
|
|
SPRINTF("SCSISEQ( ");
|
| 3510 |
|
|
if (s & TEMODEO)
|
| 3511 |
|
|
SPRINTF("TARGET MODE ");
|
| 3512 |
|
|
if (s & ENSELO)
|
| 3513 |
|
|
SPRINTF("SELO ");
|
| 3514 |
|
|
if (s & ENSELI)
|
| 3515 |
|
|
SPRINTF("SELI ");
|
| 3516 |
|
|
if (s & ENRESELI)
|
| 3517 |
|
|
SPRINTF("RESELI ");
|
| 3518 |
|
|
if (s & ENAUTOATNO)
|
| 3519 |
|
|
SPRINTF("AUTOATNO ");
|
| 3520 |
|
|
if (s & ENAUTOATNI)
|
| 3521 |
|
|
SPRINTF("AUTOATNI ");
|
| 3522 |
|
|
if (s & ENAUTOATNP)
|
| 3523 |
|
|
SPRINTF("AUTOATNP ");
|
| 3524 |
|
|
if (s & SCSIRSTO)
|
| 3525 |
|
|
SPRINTF("SCSIRSTO ");
|
| 3526 |
|
|
SPRINTF(");");
|
| 3527 |
|
|
|
| 3528 |
|
|
SPRINTF(" SCSISIG(");
|
| 3529 |
|
|
s = GETPORT(SCSISIG);
|
| 3530 |
|
|
switch (s & P_MASK) {
|
| 3531 |
|
|
case P_DATAO:
|
| 3532 |
|
|
SPRINTF("DATA OUT");
|
| 3533 |
|
|
break;
|
| 3534 |
|
|
case P_DATAI:
|
| 3535 |
|
|
SPRINTF("DATA IN");
|
| 3536 |
|
|
break;
|
| 3537 |
|
|
case P_CMD:
|
| 3538 |
|
|
SPRINTF("COMMAND");
|
| 3539 |
|
|
break;
|
| 3540 |
|
|
case P_STATUS:
|
| 3541 |
|
|
SPRINTF("STATUS");
|
| 3542 |
|
|
break;
|
| 3543 |
|
|
case P_MSGO:
|
| 3544 |
|
|
SPRINTF("MESSAGE OUT");
|
| 3545 |
|
|
break;
|
| 3546 |
|
|
case P_MSGI:
|
| 3547 |
|
|
SPRINTF("MESSAGE IN");
|
| 3548 |
|
|
break;
|
| 3549 |
|
|
default:
|
| 3550 |
|
|
SPRINTF("*illegal*");
|
| 3551 |
|
|
break;
|
| 3552 |
|
|
}
|
| 3553 |
|
|
|
| 3554 |
|
|
SPRINTF("); ");
|
| 3555 |
|
|
|
| 3556 |
|
|
SPRINTF("INTSTAT (%s); ", TESTHI(DMASTAT, INTSTAT) ? "hi" : "lo");
|
| 3557 |
|
|
|
| 3558 |
|
|
SPRINTF("SSTAT( ");
|
| 3559 |
|
|
s = GETPORT(SSTAT0);
|
| 3560 |
|
|
if (s & TARGET)
|
| 3561 |
|
|
SPRINTF("TARGET ");
|
| 3562 |
|
|
if (s & SELDO)
|
| 3563 |
|
|
SPRINTF("SELDO ");
|
| 3564 |
|
|
if (s & SELDI)
|
| 3565 |
|
|
SPRINTF("SELDI ");
|
| 3566 |
|
|
if (s & SELINGO)
|
| 3567 |
|
|
SPRINTF("SELINGO ");
|
| 3568 |
|
|
if (s & SWRAP)
|
| 3569 |
|
|
SPRINTF("SWRAP ");
|
| 3570 |
|
|
if (s & SDONE)
|
| 3571 |
|
|
SPRINTF("SDONE ");
|
| 3572 |
|
|
if (s & SPIORDY)
|
| 3573 |
|
|
SPRINTF("SPIORDY ");
|
| 3574 |
|
|
if (s & DMADONE)
|
| 3575 |
|
|
SPRINTF("DMADONE ");
|
| 3576 |
|
|
|
| 3577 |
|
|
s = GETPORT(SSTAT1);
|
| 3578 |
|
|
if (s & SELTO)
|
| 3579 |
|
|
SPRINTF("SELTO ");
|
| 3580 |
|
|
if (s & ATNTARG)
|
| 3581 |
|
|
SPRINTF("ATNTARG ");
|
| 3582 |
|
|
if (s & SCSIRSTI)
|
| 3583 |
|
|
SPRINTF("SCSIRSTI ");
|
| 3584 |
|
|
if (s & PHASEMIS)
|
| 3585 |
|
|
SPRINTF("PHASEMIS ");
|
| 3586 |
|
|
if (s & BUSFREE)
|
| 3587 |
|
|
SPRINTF("BUSFREE ");
|
| 3588 |
|
|
if (s & SCSIPERR)
|
| 3589 |
|
|
SPRINTF("SCSIPERR ");
|
| 3590 |
|
|
if (s & PHASECHG)
|
| 3591 |
|
|
SPRINTF("PHASECHG ");
|
| 3592 |
|
|
if (s & REQINIT)
|
| 3593 |
|
|
SPRINTF("REQINIT ");
|
| 3594 |
|
|
SPRINTF("); ");
|
| 3595 |
|
|
|
| 3596 |
|
|
|
| 3597 |
|
|
SPRINTF("SSTAT( ");
|
| 3598 |
|
|
|
| 3599 |
|
|
s = GETPORT(SSTAT0) & GETPORT(SIMODE0);
|
| 3600 |
|
|
|
| 3601 |
|
|
if (s & TARGET)
|
| 3602 |
|
|
SPRINTF("TARGET ");
|
| 3603 |
|
|
if (s & SELDO)
|
| 3604 |
|
|
SPRINTF("SELDO ");
|
| 3605 |
|
|
if (s & SELDI)
|
| 3606 |
|
|
SPRINTF("SELDI ");
|
| 3607 |
|
|
if (s & SELINGO)
|
| 3608 |
|
|
SPRINTF("SELINGO ");
|
| 3609 |
|
|
if (s & SWRAP)
|
| 3610 |
|
|
SPRINTF("SWRAP ");
|
| 3611 |
|
|
if (s & SDONE)
|
| 3612 |
|
|
SPRINTF("SDONE ");
|
| 3613 |
|
|
if (s & SPIORDY)
|
| 3614 |
|
|
SPRINTF("SPIORDY ");
|
| 3615 |
|
|
if (s & DMADONE)
|
| 3616 |
|
|
SPRINTF("DMADONE ");
|
| 3617 |
|
|
|
| 3618 |
|
|
s = GETPORT(SSTAT1) & GETPORT(SIMODE1);
|
| 3619 |
|
|
|
| 3620 |
|
|
if (s & SELTO)
|
| 3621 |
|
|
SPRINTF("SELTO ");
|
| 3622 |
|
|
if (s & ATNTARG)
|
| 3623 |
|
|
SPRINTF("ATNTARG ");
|
| 3624 |
|
|
if (s & SCSIRSTI)
|
| 3625 |
|
|
SPRINTF("SCSIRSTI ");
|
| 3626 |
|
|
if (s & PHASEMIS)
|
| 3627 |
|
|
SPRINTF("PHASEMIS ");
|
| 3628 |
|
|
if (s & BUSFREE)
|
| 3629 |
|
|
SPRINTF("BUSFREE ");
|
| 3630 |
|
|
if (s & SCSIPERR)
|
| 3631 |
|
|
SPRINTF("SCSIPERR ");
|
| 3632 |
|
|
if (s & PHASECHG)
|
| 3633 |
|
|
SPRINTF("PHASECHG ");
|
| 3634 |
|
|
if (s & REQINIT)
|
| 3635 |
|
|
SPRINTF("REQINIT ");
|
| 3636 |
|
|
SPRINTF("); ");
|
| 3637 |
|
|
|
| 3638 |
|
|
SPRINTF("SXFRCTL0( ");
|
| 3639 |
|
|
|
| 3640 |
|
|
s = GETPORT(SXFRCTL0);
|
| 3641 |
|
|
if (s & SCSIEN)
|
| 3642 |
|
|
SPRINTF("SCSIEN ");
|
| 3643 |
|
|
if (s & DMAEN)
|
| 3644 |
|
|
SPRINTF("DMAEN ");
|
| 3645 |
|
|
if (s & CH1)
|
| 3646 |
|
|
SPRINTF("CH1 ");
|
| 3647 |
|
|
if (s & CLRSTCNT)
|
| 3648 |
|
|
SPRINTF("CLRSTCNT ");
|
| 3649 |
|
|
if (s & SPIOEN)
|
| 3650 |
|
|
SPRINTF("SPIOEN ");
|
| 3651 |
|
|
if (s & CLRCH1)
|
| 3652 |
|
|
SPRINTF("CLRCH1 ");
|
| 3653 |
|
|
SPRINTF("); ");
|
| 3654 |
|
|
|
| 3655 |
|
|
SPRINTF("SIGNAL( ");
|
| 3656 |
|
|
|
| 3657 |
|
|
s = GETPORT(SCSISIG);
|
| 3658 |
|
|
if (s & SIG_ATNI)
|
| 3659 |
|
|
SPRINTF("ATNI ");
|
| 3660 |
|
|
if (s & SIG_SELI)
|
| 3661 |
|
|
SPRINTF("SELI ");
|
| 3662 |
|
|
if (s & SIG_BSYI)
|
| 3663 |
|
|
SPRINTF("BSYI ");
|
| 3664 |
|
|
if (s & SIG_REQI)
|
| 3665 |
|
|
SPRINTF("REQI ");
|
| 3666 |
|
|
if (s & SIG_ACKI)
|
| 3667 |
|
|
SPRINTF("ACKI ");
|
| 3668 |
|
|
SPRINTF("); ");
|
| 3669 |
|
|
|
| 3670 |
|
|
SPRINTF("SELID(%02x), ", GETPORT(SELID));
|
| 3671 |
|
|
|
| 3672 |
|
|
SPRINTF("STCNT(%d), ", GETSTCNT());
|
| 3673 |
|
|
|
| 3674 |
|
|
SPRINTF("SSTAT2( ");
|
| 3675 |
|
|
|
| 3676 |
|
|
s = GETPORT(SSTAT2);
|
| 3677 |
|
|
if (s & SOFFSET)
|
| 3678 |
|
|
SPRINTF("SOFFSET ");
|
| 3679 |
|
|
if (s & SEMPTY)
|
| 3680 |
|
|
SPRINTF("SEMPTY ");
|
| 3681 |
|
|
if (s & SFULL)
|
| 3682 |
|
|
SPRINTF("SFULL ");
|
| 3683 |
|
|
SPRINTF("); SFCNT (%d); ", s & (SFULL | SFCNT));
|
| 3684 |
|
|
|
| 3685 |
|
|
s = GETPORT(SSTAT3);
|
| 3686 |
|
|
SPRINTF("SCSICNT (%d), OFFCNT(%d), ", (s & 0xf0) >> 4, s & 0x0f);
|
| 3687 |
|
|
|
| 3688 |
|
|
SPRINTF("SSTAT4( ");
|
| 3689 |
|
|
s = GETPORT(SSTAT4);
|
| 3690 |
|
|
if (s & SYNCERR)
|
| 3691 |
|
|
SPRINTF("SYNCERR ");
|
| 3692 |
|
|
if (s & FWERR)
|
| 3693 |
|
|
SPRINTF("FWERR ");
|
| 3694 |
|
|
if (s & FRERR)
|
| 3695 |
|
|
SPRINTF("FRERR ");
|
| 3696 |
|
|
SPRINTF("); ");
|
| 3697 |
|
|
|
| 3698 |
|
|
SPRINTF("DMACNTRL0( ");
|
| 3699 |
|
|
s = GETPORT(DMACNTRL0);
|
| 3700 |
|
|
SPRINTF("%s ", s & _8BIT ? "8BIT" : "16BIT");
|
| 3701 |
|
|
SPRINTF("%s ", s & DMA ? "DMA" : "PIO");
|
| 3702 |
|
|
SPRINTF("%s ", s & WRITE_READ ? "WRITE" : "READ");
|
| 3703 |
|
|
if (s & ENDMA)
|
| 3704 |
|
|
SPRINTF("ENDMA ");
|
| 3705 |
|
|
if (s & INTEN)
|
| 3706 |
|
|
SPRINTF("INTEN ");
|
| 3707 |
|
|
if (s & RSTFIFO)
|
| 3708 |
|
|
SPRINTF("RSTFIFO ");
|
| 3709 |
|
|
if (s & SWINT)
|
| 3710 |
|
|
SPRINTF("SWINT ");
|
| 3711 |
|
|
SPRINTF("); ");
|
| 3712 |
|
|
|
| 3713 |
|
|
SPRINTF("DMASTAT( ");
|
| 3714 |
|
|
s = GETPORT(DMASTAT);
|
| 3715 |
|
|
if (s & ATDONE)
|
| 3716 |
|
|
SPRINTF("ATDONE ");
|
| 3717 |
|
|
if (s & WORDRDY)
|
| 3718 |
|
|
SPRINTF("WORDRDY ");
|
| 3719 |
|
|
if (s & DFIFOFULL)
|
| 3720 |
|
|
SPRINTF("DFIFOFULL ");
|
| 3721 |
|
|
if (s & DFIFOEMP)
|
| 3722 |
|
|
SPRINTF("DFIFOEMP ");
|
| 3723 |
|
|
SPRINTF(")\n");
|
| 3724 |
|
|
|
| 3725 |
|
|
SPRINTF("enabled interrupts( ");
|
| 3726 |
|
|
|
| 3727 |
|
|
s = GETPORT(SIMODE0);
|
| 3728 |
|
|
if (s & ENSELDO)
|
| 3729 |
|
|
SPRINTF("ENSELDO ");
|
| 3730 |
|
|
if (s & ENSELDI)
|
| 3731 |
|
|
SPRINTF("ENSELDI ");
|
| 3732 |
|
|
if (s & ENSELINGO)
|
| 3733 |
|
|
SPRINTF("ENSELINGO ");
|
| 3734 |
|
|
if (s & ENSWRAP)
|
| 3735 |
|
|
SPRINTF("ENSWRAP ");
|
| 3736 |
|
|
if (s & ENSDONE)
|
| 3737 |
|
|
SPRINTF("ENSDONE ");
|
| 3738 |
|
|
if (s & ENSPIORDY)
|
| 3739 |
|
|
SPRINTF("ENSPIORDY ");
|
| 3740 |
|
|
if (s & ENDMADONE)
|
| 3741 |
|
|
SPRINTF("ENDMADONE ");
|
| 3742 |
|
|
|
| 3743 |
|
|
s = GETPORT(SIMODE1);
|
| 3744 |
|
|
if (s & ENSELTIMO)
|
| 3745 |
|
|
SPRINTF("ENSELTIMO ");
|
| 3746 |
|
|
if (s & ENATNTARG)
|
| 3747 |
|
|
SPRINTF("ENATNTARG ");
|
| 3748 |
|
|
if (s & ENPHASEMIS)
|
| 3749 |
|
|
SPRINTF("ENPHASEMIS ");
|
| 3750 |
|
|
if (s & ENBUSFREE)
|
| 3751 |
|
|
SPRINTF("ENBUSFREE ");
|
| 3752 |
|
|
if (s & ENSCSIPERR)
|
| 3753 |
|
|
SPRINTF("ENSCSIPERR ");
|
| 3754 |
|
|
if (s & ENPHASECHG)
|
| 3755 |
|
|
SPRINTF("ENPHASECHG ");
|
| 3756 |
|
|
if (s & ENREQINIT)
|
| 3757 |
|
|
SPRINTF("ENREQINIT ");
|
| 3758 |
|
|
SPRINTF(")\n");
|
| 3759 |
|
|
|
| 3760 |
|
|
return (pos - start);
|
| 3761 |
|
|
}
|
| 3762 |
|
|
|
| 3763 |
|
|
int aha152x_set_info(char *buffer, int length, struct Scsi_Host *shpnt)
|
| 3764 |
|
|
{
|
| 3765 |
|
|
if(!shpnt || !buffer || length<8 || strncmp("aha152x ", buffer, 8)!=0)
|
| 3766 |
|
|
return -EINVAL;
|
| 3767 |
|
|
|
| 3768 |
|
|
#if defined(AHA152X_DEBUG)
|
| 3769 |
|
|
if(length>14 && strncmp("debug ", buffer+8, 6)==0) {
|
| 3770 |
|
|
int debug = HOSTDATA(shpnt)->debug;
|
| 3771 |
|
|
|
| 3772 |
|
|
HOSTDATA(shpnt)->debug = simple_strtoul(buffer+14, NULL, 0);
|
| 3773 |
|
|
|
| 3774 |
|
|
printk(KERN_INFO "aha152x%d: debugging options set to 0x%04x (were 0x%04x)\n", HOSTNO, HOSTDATA(shpnt)->debug, debug);
|
| 3775 |
|
|
} else
|
| 3776 |
|
|
#endif
|
| 3777 |
|
|
#if defined(AHA152X_STAT)
|
| 3778 |
|
|
if(length>13 && strncmp("reset", buffer+8, 5)==0) {
|
| 3779 |
|
|
int i;
|
| 3780 |
|
|
|
| 3781 |
|
|
HOSTDATA(shpnt)->total_commands=0;
|
| 3782 |
|
|
HOSTDATA(shpnt)->disconnections=0;
|
| 3783 |
|
|
HOSTDATA(shpnt)->busfree_without_any_action=0;
|
| 3784 |
|
|
HOSTDATA(shpnt)->busfree_without_old_command=0;
|
| 3785 |
|
|
HOSTDATA(shpnt)->busfree_without_new_command=0;
|
| 3786 |
|
|
HOSTDATA(shpnt)->busfree_without_done_command=0;
|
| 3787 |
|
|
HOSTDATA(shpnt)->busfree_with_check_condition=0;
|
| 3788 |
|
|
for (i = idle; i<maxstate; i++) {
|
| 3789 |
|
|
HOSTDATA(shpnt)->count[i]=0;
|
| 3790 |
|
|
HOSTDATA(shpnt)->count_trans[i]=0;
|
| 3791 |
|
|
HOSTDATA(shpnt)->time[i]=0;
|
| 3792 |
|
|
}
|
| 3793 |
|
|
|
| 3794 |
|
|
printk(KERN_INFO "aha152x%d: stats reseted.\n", HOSTNO);
|
| 3795 |
|
|
|
| 3796 |
|
|
} else
|
| 3797 |
|
|
#endif
|
| 3798 |
|
|
{
|
| 3799 |
|
|
return -EINVAL;
|
| 3800 |
|
|
}
|
| 3801 |
|
|
|
| 3802 |
|
|
|
| 3803 |
|
|
return length;
|
| 3804 |
|
|
}
|
| 3805 |
|
|
|
| 3806 |
|
|
#undef SPRINTF
|
| 3807 |
|
|
#define SPRINTF(args...) \
|
| 3808 |
|
|
do { if(pos < buffer + length) pos += sprintf(pos, ## args); } while(0)
|
| 3809 |
|
|
|
| 3810 |
|
|
int aha152x_proc_info(char *buffer, char **start,
|
| 3811 |
|
|
off_t offset, int length, int hostno, int inout)
|
| 3812 |
|
|
{
|
| 3813 |
|
|
int i;
|
| 3814 |
|
|
char *pos = buffer;
|
| 3815 |
|
|
struct Scsi_Host *shpnt;
|
| 3816 |
|
|
Scsi_Cmnd *ptr;
|
| 3817 |
|
|
unsigned long flags;
|
| 3818 |
|
|
int thislength;
|
| 3819 |
|
|
|
| 3820 |
|
|
for (i = 0, shpnt = (struct Scsi_Host *) NULL; i<ARRAY_SIZE(aha152x_host); i++)
|
| 3821 |
|
|
if (aha152x_host[i] && aha152x_host[i]->host_no == hostno)
|
| 3822 |
|
|
shpnt = aha152x_host[i];
|
| 3823 |
|
|
|
| 3824 |
|
|
if (!shpnt)
|
| 3825 |
|
|
return -ESRCH;
|
| 3826 |
|
|
|
| 3827 |
|
|
DPRINTK(debug_procinfo,
|
| 3828 |
|
|
KERN_DEBUG "aha152x_proc_info: buffer=%p offset=%ld length=%d hostno=%d inout=%d\n",
|
| 3829 |
|
|
buffer, offset, length, hostno, inout);
|
| 3830 |
|
|
|
| 3831 |
|
|
|
| 3832 |
|
|
if (inout)
|
| 3833 |
|
|
return aha152x_set_info(buffer, length, shpnt);
|
| 3834 |
|
|
|
| 3835 |
|
|
SPRINTF(AHA152X_REVID "\n");
|
| 3836 |
|
|
|
| 3837 |
|
|
SPRINTF("ioports 0x%04lx to 0x%04lx\n",
|
| 3838 |
|
|
shpnt->io_port, shpnt->io_port + shpnt->n_io_port - 1);
|
| 3839 |
|
|
SPRINTF("interrupt 0x%02x\n", shpnt->irq);
|
| 3840 |
|
|
SPRINTF("disconnection/reconnection %s\n",
|
| 3841 |
|
|
RECONNECT ? "enabled" : "disabled");
|
| 3842 |
|
|
SPRINTF("parity checking %s\n",
|
| 3843 |
|
|
PARITY ? "enabled" : "disabled");
|
| 3844 |
|
|
SPRINTF("synchronous transfers %s\n",
|
| 3845 |
|
|
SYNCHRONOUS ? "enabled" : "disabled");
|
| 3846 |
|
|
SPRINTF("%d commands currently queued\n", HOSTDATA(shpnt)->commands);
|
| 3847 |
|
|
|
| 3848 |
|
|
if(SYNCHRONOUS) {
|
| 3849 |
|
|
SPRINTF("synchronously operating targets (tick=50 ns):\n");
|
| 3850 |
|
|
for (i = 0; i < 8; i++)
|
| 3851 |
|
|
if (HOSTDATA(shpnt)->syncrate[i] & 0x7f)
|
| 3852 |
|
|
SPRINTF("target %d: period %dT/%dns; req/ack offset %d\n",
|
| 3853 |
|
|
i,
|
| 3854 |
|
|
(((HOSTDATA(shpnt)->syncrate[i] & 0x70) >> 4) + 2),
|
| 3855 |
|
|
(((HOSTDATA(shpnt)->syncrate[i] & 0x70) >> 4) + 2) * 50,
|
| 3856 |
|
|
HOSTDATA(shpnt)->syncrate[i] & 0x0f);
|
| 3857 |
|
|
}
|
| 3858 |
|
|
#if defined(AHA152X_DEBUG)
|
| 3859 |
|
|
#define PDEBUG(flags,txt) \
|
| 3860 |
|
|
if(HOSTDATA(shpnt)->debug & flags) SPRINTF("(%s) ", txt);
|
| 3861 |
|
|
|
| 3862 |
|
|
SPRINTF("enabled debugging options: ");
|
| 3863 |
|
|
|
| 3864 |
|
|
PDEBUG(debug_procinfo, "procinfo");
|
| 3865 |
|
|
PDEBUG(debug_queue, "queue");
|
| 3866 |
|
|
PDEBUG(debug_intr, "interrupt");
|
| 3867 |
|
|
PDEBUG(debug_selection, "selection");
|
| 3868 |
|
|
PDEBUG(debug_msgo, "message out");
|
| 3869 |
|
|
PDEBUG(debug_msgi, "message in");
|
| 3870 |
|
|
PDEBUG(debug_status, "status");
|
| 3871 |
|
|
PDEBUG(debug_cmd, "command");
|
| 3872 |
|
|
PDEBUG(debug_datai, "data in");
|
| 3873 |
|
|
PDEBUG(debug_datao, "data out");
|
| 3874 |
|
|
PDEBUG(debug_eh, "eh");
|
| 3875 |
|
|
PDEBUG(debug_locks, "locks");
|
| 3876 |
|
|
PDEBUG(debug_phases, "phases");
|
| 3877 |
|
|
|
| 3878 |
|
|
SPRINTF("\n");
|
| 3879 |
|
|
#endif
|
| 3880 |
|
|
|
| 3881 |
|
|
SPRINTF("\nqueue status:\n");
|
| 3882 |
|
|
DO_LOCK(flags);
|
| 3883 |
|
|
if (ISSUE_SC) {
|
| 3884 |
|
|
SPRINTF("not yet issued commands:\n");
|
| 3885 |
|
|
for (ptr = ISSUE_SC; ptr; ptr = SCNEXT(ptr))
|
| 3886 |
|
|
pos += get_command(pos, ptr);
|
| 3887 |
|
|
} else
|
| 3888 |
|
|
SPRINTF("no not yet issued commands\n");
|
| 3889 |
|
|
DO_UNLOCK(flags);
|
| 3890 |
|
|
|
| 3891 |
|
|
if (CURRENT_SC) {
|
| 3892 |
|
|
SPRINTF("current command:\n");
|
| 3893 |
|
|
pos += get_command(pos, CURRENT_SC);
|
| 3894 |
|
|
} else
|
| 3895 |
|
|
SPRINTF("no current command\n");
|
| 3896 |
|
|
|
| 3897 |
|
|
if (DISCONNECTED_SC) {
|
| 3898 |
|
|
SPRINTF("disconnected commands:\n");
|
| 3899 |
|
|
for (ptr = DISCONNECTED_SC; ptr; ptr = SCNEXT(ptr))
|
| 3900 |
|
|
pos += get_command(pos, ptr);
|
| 3901 |
|
|
} else
|
| 3902 |
|
|
SPRINTF("no disconnected commands\n");
|
| 3903 |
|
|
|
| 3904 |
|
|
pos += get_ports(shpnt, pos);
|
| 3905 |
|
|
|
| 3906 |
|
|
#if defined(AHA152X_STAT)
|
| 3907 |
|
|
SPRINTF("statistics:\n"
|
| 3908 |
|
|
"total commands: %d\n"
|
| 3909 |
|
|
"disconnections: %d\n"
|
| 3910 |
|
|
"busfree with check condition: %d\n"
|
| 3911 |
|
|
"busfree without old command: %d\n"
|
| 3912 |
|
|
"busfree without new command: %d\n"
|
| 3913 |
|
|
"busfree without done command: %d\n"
|
| 3914 |
|
|
"busfree without any action: %d\n"
|
| 3915 |
|
|
"state "
|
| 3916 |
|
|
"transitions "
|
| 3917 |
|
|
"count "
|
| 3918 |
|
|
"time\n",
|
| 3919 |
|
|
HOSTDATA(shpnt)->total_commands,
|
| 3920 |
|
|
HOSTDATA(shpnt)->disconnections,
|
| 3921 |
|
|
HOSTDATA(shpnt)->busfree_with_check_condition,
|
| 3922 |
|
|
HOSTDATA(shpnt)->busfree_without_old_command,
|
| 3923 |
|
|
HOSTDATA(shpnt)->busfree_without_new_command,
|
| 3924 |
|
|
HOSTDATA(shpnt)->busfree_without_done_command,
|
| 3925 |
|
|
HOSTDATA(shpnt)->busfree_without_any_action);
|
| 3926 |
|
|
for(i=0; i<maxstate; i++) {
|
| 3927 |
|
|
SPRINTF("%-10s %-12d %-12d %-12ld\n",
|
| 3928 |
|
|
states[i].name,
|
| 3929 |
|
|
HOSTDATA(shpnt)->count_trans[i],
|
| 3930 |
|
|
HOSTDATA(shpnt)->count[i],
|
| 3931 |
|
|
HOSTDATA(shpnt)->time[i]);
|
| 3932 |
|
|
}
|
| 3933 |
|
|
#endif
|
| 3934 |
|
|
|
| 3935 |
|
|
DPRINTK(debug_procinfo, KERN_DEBUG "aha152x_proc_info: pos=%p\n", pos);
|
| 3936 |
|
|
|
| 3937 |
|
|
thislength = pos - (buffer + offset);
|
| 3938 |
|
|
DPRINTK(debug_procinfo, KERN_DEBUG "aha152x_proc_info: length=%d thislength=%d\n", length, thislength);
|
| 3939 |
|
|
|
| 3940 |
|
|
if(thislength<0) {
|
| 3941 |
|
|
DPRINTK(debug_procinfo, KERN_DEBUG "aha152x_proc_info: output too short\n");
|
| 3942 |
|
|
*start = 0;
|
| 3943 |
|
|
return 0;
|
| 3944 |
|
|
}
|
| 3945 |
|
|
|
| 3946 |
|
|
thislength = thislength<length ? thislength : length;
|
| 3947 |
|
|
|
| 3948 |
|
|
DPRINTK(debug_procinfo, KERN_DEBUG "aha152x_proc_info: return %d\n", thislength);
|
| 3949 |
|
|
|
| 3950 |
|
|
*start = buffer + offset;
|
| 3951 |
|
|
return thislength < length ? thislength : length;
|
| 3952 |
|
|
}
|
| 3953 |
|
|
|
| 3954 |
|
|
#ifndef PCMCIA
|
| 3955 |
|
|
/* Eventually this will go into an include file, but this will be later */
|
| 3956 |
|
|
static Scsi_Host_Template driver_template = AHA152X;
|
| 3957 |
|
|
|
| 3958 |
|
|
#include "scsi_module.c"
|
| 3959 |
|
|
#endif
|
