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thorpej 8068d9eeb2 Handle cases like the following: 
- controller calls scsi_done() with error XS_TIMEOUT
	- scsi_done() calls sddone()
	- sddone() calls disk_unbusy()
	- scsi_done() calls controller to retry command (missing the
	  call to disk_busy())
	- controller calls scsi_done()
	- scsi_done() calls sddone()
	- sddone() calls disk_busy(), which panics because of the imbalance.
Bug noticed by Leo Weppleman, who also suggested this fix; pass an additional
boolean argument ("complete") to the device's "done" routine, with a
value of `0' passed from the previous call to "done", and add an additional
call to "done" when the xfer resources are freed.
 		1996-01-12 22:43:26 +00:00
..
README Remove a bunch of stuff which is outdated and/or doesn't belong here. 1995-06-02 14:04:36 +00:00
cd.c Handle cases like the following: 1996-01-12 22:43:26 +00:00
ch.c Remove unused macros. 1995-01-16 21:31:34 +00:00
files.scsi config.new description of SCSI mi files. 1995-04-17 07:15:40 +00:00
scsi_all.h
…
scsi_base.c Handle cases like the following: 1996-01-12 22:43:26 +00:00
scsi_cd.h
…
scsi_changer.h
…
scsi_debug.h
…
scsi_disk.h Add missing spindle synch control, rotational offset, and RPM members 1995-10-15 23:32:02 +00:00
scsi_ioctl.c Don't declare Debugger(). It's handled in <sys/systm.h>. 1995-09-26 19:26:48 +00:00
scsi_message.h
…
scsi_tape.h Honor cache request and implement erase command, and add the SCSI tape 1996-01-11 03:36:34 +00:00
scsiconf.c LUN deficient device: Tandberg 3600 (Ken Raeburn; PR#1933). 1996-01-12 11:32:37 +00:00
scsiconf.h Handle cases like the following: 1996-01-12 22:43:26 +00:00
sd.c Handle cases like the following: 1996-01-12 22:43:26 +00:00
st.c Honor cache request and implement erase command, and add the SCSI tape 1996-01-11 03:36:34 +00:00
su.c
…
uk.c fix syntax error. Andreas Gustafsson <gson@clinet.fi> 1995-03-24 20:17:15 +00:00

README 

/*	$NetBSD: README,v 1.6 1995/06/02 14:04:36 mycroft Exp $	*/

This release consists of the following files 

share/man/man4/scsi.4 <-useful general info
share/man/man4/uk.4
share/man/man4/su.4
share/man/man4/ch.4
share/man/man4/cd.4
share/man/man4/sd.4
share/man/man4/st.4 <--READ THIS IF YOU USE TAPES!
sbin/scsi/procargs.c
sbin/scsi/scsi.c
sbin/scsi/scsi.1
sbin/scsi/Makefile
sbin/st/Makefile
sbin/st/st.1
sbin/st/st.c


################## Using the scsi system ##################
--------------making devices------------
see st(1) and st(4) for info on tape devices.

---------ioctl definitions-------------
User accessable structures (e.g. ioctl definitions) have been
placed in sys/cdio, sys/sgio and sys/chio (based after sys/mtio for
the ioctls for mag tapes (including st).
General scsi ioctls are found in sys/scsiio.h.

-----------cd-rom-----------------
Cdrom audio is only suported at all for cdroms that use SCSI2 audio
definitions.

-------------media changer---------------
Once again courtesy of grefen@convex.com (in germany)
I have not tested this but he assures me it's ready for testing.
If anyone has an exabyte tape changer or similar, 
contact the author for information regarding the control interface
and program.

WARNING: This has not been tested for a LONG TIME!