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History log of /src/sys/arch/amiga/dev/siopvar.h
RevisionDateAuthorComments
 1.29  07-Apr-2022  andvar fix various typos in comments.
 1.28  01-Jan-2022  andvar fix typos in comments, mainly basicly -> basically.
 1.27  27-Oct-2012  chs split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.
 1.26  19-May-2009  phx branches: 1.26.12; 1.26.22;
Removed old Amiga-specific "sicallback" software interrupts and replaced
them by MI softints. Approved by "is".
 1.25  11-Dec-2005  christos branches: 1.25.78;
merge ktrace-lwp.
 1.24  07-Dec-2004  thorpej Use "struct scsipi_command" in internal command structures so that
we have enough space for 16-byte CDBs.
 1.23  07-Aug-2003  agc Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.
 1.22  09-Apr-2003  thorpej branches: 1.22.2;
Use PAGE_SIZE rather than NBPG.
 1.21  14-May-2002  matt Eliminate commons. (including a few unused or mismatched ones).
 1.20  26-Jan-2002  aymeric - ANSIfy
- remove some trailing spaces/tabs
- minor style nits
 1.19  25-Apr-2001  bouyer branches: 1.19.2; 1.19.8;
Pull up the thorpej_scsipi branch to main branch.
This is a completely rewritten scsipi_xfer execution engine, and the
associated changes to HBA drivers. Overview of changes & features:
- All xfers are queued in the mid-layer, rather than doing so in an
ad-hoc fashion in individual adapter drivers.
- Adapter/channel resource management in the mid-layer, avoids even trying
to start running an xfer if the adapter/channel doesn't have the resources.
- Better communication between the mid-layer and the adapters.
- Asynchronous event notification mechanism from adapter to mid-layer and
peripherals.
- Better peripheral queue management: freeze/thaw, sorted requeueing during
recovery, etc.
- Clean separation of peripherals, adapters, and adapter channels (no more
scsipi_link).
- Kernel thread for each scsipi_channel makes error recovery much easier
(no more dealing with interrupt context when recovering from an error).
- Mid-layer support for tagged queueing: commands can have the tag type
set explicitly, tag IDs are allocated in the mid-layer (thus eliminating
the need to use buggy tag ID allocation schemes in many adapter drivers).
- support for QUEUE FULL and CHECK CONDITION status in mid-layer; the command
will be requeued, or a REQUEST SENSE will be sent as appropriate.

Just before the merge syssrc has been tagged with thorpej_scsipi_beforemerge
 1.18  26-Mar-1999  mhitch branches: 1.18.8; 1.18.20;
More 53c770 stuff: update 53c720/770 register defines and use them in
siop2.c. Add wide negotiation and Ultra support. Modify siop.c to match
the siop2.c sync negotiation changes. The CyberStorm MKIII driver now
supports 15 targets. Remove some old table-driven sync rate stuff from
the original Zeus driver.
 1.17  09-Mar-1999  is Missing part of CS Mk. III changes
 1.16  19-Nov-1998  thorpej Adapt to the new scsipi_adapter interface.
 1.15  27-Aug-1997  bouyer Merge scsipi branch in the mainline. This add support for ATAPI devices
(currently only CD-ROM drives on i386). The sys/dev/scsipi system provides 2
busses to which devices can attach (scsibus and atapibus). This needed to
change some include files and structure names in the low level scsi drivers.
 1.14  21-Apr-1996  veego branches: 1.14.10; 1.14.12;
- Cleanup for -Wall and -Wstrict-prototypes
- Added support for multiple floppy drives
- CyberVision64:
- has now a real console mode
- another bugfix for boards with the new S3 chip
- Ariadne:
- fixed crashes with aeput (mbuf failure)
 1.13  03-Feb-1996  chuck Ensure siop_acb alignment via malloc rather than let alignment depend
on the size of MI data structures that come before it in the softc.
Chip will not function properly if alignment is wrong. (as per OpenBSD)
Detected and fixed by: Chuck Cranor <chuck@ccrc.wustl.edu>
and Michael L Hitch <osymh@gemini.oscs.montana.edu>
 1.12  16-Sep-1995  chopps Add minimal dumpfile support.
Fix a bug in pt_enter_ptpage which caused MMU faults on low-mem conditions.
Change siop drivers to better handle sync.
Remove diag. done for ide -- its redundant as the ROM does similar.
fixed ite_filter to not panic if typing before the device is fully setup
All thanks to osymh@gemini.oscs.montana.edu (Michael L. Hitch)
 1.11  18-Aug-1995  chopps SCSI disconnects: siop from osymh@gemini.oscs.montana.edu (Michael L. Hitch)
and sbic from "Eduardo E. Horvath eeh@btr.com" <eeh@btr.btr.com>

Other cleanup (remove cpu040) and enabling IVS A500 support
from osymh@gemini.oscs.montana.edu (Michael L. Hitch)
 1.10  12-Aug-1995  mycroft minphys() functions really should return void.
 1.9  26-Jul-1995  chopps fix minphys routine to match others
 1.8  12-Feb-1995  chopps Many changes from osymh@gemini.oscs.montana.edu (Michael L. Hitch)
Now use amiga HW for soft interrupts, non-contig options (2 or many chunks),
interrupt handler lists, 4066 ethernet, 1291 scsi, option to defer level 6
interrupts to level 4 (deal with icky built-in serial port)
 1.7  05-Jan-1995  chopps catchup with scsi changes from osymh@gemini.oscs.montana.edu (Michael L. Hitch)
 1.6  28-Dec-1994  chopps consolidate the zbusses. le support for multiple tx buffs and full use of 32k
RAM. AGA dbl PAL mode added for console. Many changes to siop--most not
yet done. All from osymh@gemini.oscs.montana.edu (Michael L. Hitch)
 1.5  26-Oct-1994  cgd new RCS ID format.
 1.4  14-Jun-1994  chopps don't flush cache on context switches for 040's, reduce flushing
on dma operations. code from me and Michael Hitch
 1.3  12-May-1994  chopps update from osymh@gemini.oscs.montana.edu (Michael L. Hitch) add support
for zthreebus siop scsi drivers and better machine recocgnition.
 1.2  11-Feb-1994  chopps Add missing Id's
 1.1  26-Jan-1994  mw Integrate recent changes done to the amiga branch. Includes support
for the '40.
Support for more scsi controllers (zeus, magnum)
Support for more tapes (in st.c)
New custom chip console code integrated.
 1.14.12.1  27-Aug-1997  thorpej Update marc-pcmcia branch from trunk.
 1.14.10.1  01-Jul-1997  bouyer Updates for new scsipi subsystem. Actally known to work on i386 and sparc.
 1.18.20.1  21-Jun-2001  nathanw Catch up to -current.
 1.18.8.2  29-Mar-2001  bouyer Port to thorpej_scsipi.
 1.18.8.1  20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.

I updated the amiga SCSI drivers, but completely untested yet (may not even
compile)
 1.19.8.3  20-Jun-2002  nathanw Catch up to -current.
 1.19.8.2  28-Feb-2002  nathanw Catch up to -current.
 1.19.8.1  25-Apr-2001  nathanw file siopvar.h was added on branch nathanw_sa on 2002-02-28 04:07:01 +0000
 1.19.2.2  23-Jun-2002  jdolecek catch up with -current on kqueue branch
 1.19.2.1  11-Feb-2002  jdolecek Sync w/ -current.
 1.22.2.4  18-Dec-2004  skrll Sync with HEAD.
 1.22.2.3  21-Sep-2004  skrll Fix the sync with head I botched.
 1.22.2.2  18-Sep-2004  skrll Sync with HEAD.
 1.22.2.1  03-Aug-2004  skrll Sync with HEAD
 1.25.78.1  20-Jun-2009  yamt sync with head
 1.26.22.1  20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.26.12.1  30-Oct-2012  yamt sync with head

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