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33 Commits

Author SHA1 Message Date
thorpej 49c5d29ee0 Fix bogus return value in ccdopen(); it failed to indicate an error 
condition if:
	- ccd was not initialized
	- partition did not exist
 1996-05-05 04:21:14 +00:00
christos cee6ac0ce3 remove sys/cpu.h 1996-04-22 01:26:39 +00:00
christos e1930da21b Remove dependencies to dev_conf.h and the file itself. 1996-03-30 23:05:46 +00:00
mrg 2c329c900b %d -> %ld in a few places... 1996-03-24 01:26:57 +00:00
christos d318abdbc4 prototypes for ccd audio and ncr5380 1996-03-07 15:00:07 +00:00
thorpej ee8a2c002f Copyright assigned to The NetBSD Foundation. 1996-02-28 01:01:17 +00:00
thorpej 91bd533c48 Avoid deref'ing a bad pointer in ccdopen(). This could happen if 
any partition other than RAW_PART is opened before configuring the
ccd.  Bug pointed out by Matthew Green.
 1996-02-11 18:04:01 +00:00
hpeyerl fb81581990 detatch this spelling mistake from this source file. 1996-02-10 22:27:22 +00:00
thorpej b686e830b8 Fix typo, from Thorsten Frueauf <frueauf@ira.uka.de>. 1996-02-06 18:15:19 +00:00
thorpej 732dd94a83 Add experimental data mirroring support, derived from code written by 
Satoshi Asami and Nisha Talagala.  For details on using data mirroring,
see the ccd(4) manual page.
 1996-02-01 20:47:13 +00:00
thorpej 5b39541e48 New generic disk framework. Highlights: 
- New metrics handling.  Metrics are now kept in the new
	  `struct disk'.  Busy time is now stored as a timeval, and
	  transfer count in bytes.

	- Storage for disklabels is now dynamically allocated, so that
	  the size of the disk structure is not machine-dependent.

	- Several new functions for attaching and detaching disks, and
	  handling metrics calculation.

Old-style instrumentation is still supported in drivers that did it before.
However, old-style instrumentation is being deprecated, and will go away
once the userland utilities are updated for the new framework.

For usage and architectural details, see the forthcoming disk(9) manual
page.
 1996-01-07 22:01:38 +00:00
thorpej 7268bf552d When unconfiguring a ccd, only free as many interleave indices as 
were allocated, which may not be the same as the number of components
in the ccd.  From Don Lewis <gdonl@gv.ssi1.com>.  Fixes PR #1820.
 1995-12-08 19:13:26 +00:00
thorpej 664cb04670 Fix a race condition where if a process is asleep waiting on an 
exclusive lock of a ccd device while another process is unconfiguring
that same device, the first process would never awaken (unless interrupted).
 1995-11-06 19:58:01 +00:00
thorpej f85819bc44 In ccdstart(), only translate the block number from partition-relative 
to absolute if part != RAW_PART.
 1995-11-03 02:35:54 +00:00
thorpej 89d4987e5d Fix bad pointer deref, memory leak, and geometry calculation, pointed 
out by Jochen Pohl in PR #1588.  Change the interleave index to an
array of ints rather than an array of chars to avoid losing in the event
one has more than 127 components.
 1995-10-12 21:28:32 +00:00
thorpej a1bc374083 Batting 1.000: fix a potential panic situation in ccdioctl() that can occur 
if ccdinit() fails.
 1995-10-09 05:37:57 +00:00
thorpej ab0109ad89 Fix up a couple of comments. 1995-10-09 05:21:09 +00:00
thorpej 4e3112d39b Add the partition offset to the block number in ccdstart() as opposed 
to ccdstrategy(), and do it in a way that doesn't corrupt the block number
for residuals.  (What was I _thinking_?!)
 1995-10-09 01:45:34 +00:00
thorpej b8dcfbd303 Implement a simple locking mechanism and use it, for sanity's sake. 
In ccdopen(), don't update the disklabel if any partition is already open.
Prevents race bewteen ccdstrategy() and ccdgetdisklabel().
 1995-10-09 00:46:45 +00:00
thorpej 7e85a5a412 Fix misplaced #ifdef. 1995-09-06 04:15:59 +00:00
thorpej 0696b30519 Wrap dk stats stuff in `#ifdef WORKING_DISK_STATISTICS'. Takes care 
of PR #1388 until such time as dk stats works on all ports.  XXX !!
 1995-08-29 23:13:44 +00:00
thorpej a2db2c1899 Fix typo, pointed out by cross@va.pubnix.com (Chris P. Ross). 1995-08-21 18:25:52 +00:00
thorpej 77d85de272 New version of ccd. Allows dynamic run-time configuration and 
unconfiguration and supports disklabels.
 1995-08-17 16:31:30 +00:00
mycroft 7263209ce6 Make each disk and tape driver define its own read and write functions. 
Deprecate rawread() and rawwrite() completely.  Remove d_strategy from cdevsw to
force the abstraction barrier.
 1995-07-04 07:15:28 +00:00
cgd bc9de32349 make dump stubs consistent 1995-06-26 05:34:44 +00:00
cgd f6589edbc7 spaces -> tab 1995-03-09 02:20:34 +00:00
cgd a44a276543 from jason thorpe: add ccdclose(), make it work with the MI scsi code, 
and add knowledge of i386 disk device names (XXX).
 1995-03-02 06:40:38 +00:00
cgd f694af6712 don't overload buffer structs; allocate and use a 'super-struct' instead. 1995-03-02 06:38:11 +00:00
cgd 6ac2bbfc35 be more careful with types, also pull in headers where necessary. 1994-10-30 21:43:03 +00:00
mycroft 06476a4e53 ccdevsw --> cdevsw 1994-08-14 07:41:08 +00:00
hpeyerl 3214723fcf These should have been the 4.4Lite versions. duh. 1994-07-02 06:03:47 +00:00
cgd cf92afd66e New RCS ID's, take two. they're more aesthecially pleasant, and use 'NetBSD' 1994-06-29 06:29:24 +00:00
hpeyerl 6f9db1ee2d Concat disk driver moved from hp300/dev to here. 1994-06-24 14:11:02 +00:00