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Commit Graph

129 Commits

Author SHA1 Message Date
Poul-Henning Kamp
2dd527b3ac Move generic disk ioctls from <sys/disklabel.h> to <sys/disk.h>.
Sponsored by:	DARPA & NAI Labs
2002-04-08 09:20:07 +00:00
Poul-Henning Kamp
1265c0ce2b In reverence of the 3rd X11 development rule:
3.The only thing worse than generalizing from one example
	is generalizing from no examples at all.

Remove the fwcylinders attribute before anybody gets the idea that we
alone have squared the circle.

Sponsored by:	DARPA & NAI Labs.
2002-04-08 08:00:40 +00:00
John Baldwin
6008862bc2 Change callers of mtx_init() to pass in an appropriate lock type name. In
most cases NULL is passed, but in some cases such as network driver locks
(which use the MTX_NETWORK_LOCK macro) and UMA zone locks, a name is used.

Tested on:	i386, alpha, sparc64
2002-04-04 21:03:38 +00:00
Poul-Henning Kamp
2fccec19e9 Centralize EOF handling and improve access controls for bio scheduling.
Sponsored by:	DARPA & NAI Labs
2002-04-04 09:58:20 +00:00
Poul-Henning Kamp
07d77fc610 Move access and orphan member functions from class to geom.
Sponsored by: DARPA & NAI Labs
2002-04-04 09:54:13 +00:00
Poul-Henning Kamp
2654e1fc4e s/classs/classes/ to fixup grammer after the previous global renaming.
Sponsored by: DARPA & NAI Labs
2002-04-04 09:41:47 +00:00
Poul-Henning Kamp
408ab1b875 Retire the bogus ioctl DIOCGPART in toto.
Once again we can notice that badly thought out hacks ferment and infect
far more code than initially expected.

Sponsored by:	DARPA and NAI Labs.
2002-04-02 11:52:13 +00:00
Poul-Henning Kamp
ffee6e99f6 One less user of the bogus DIOCGPART ioctl. 2002-04-02 11:17:37 +00:00
Poul-Henning Kamp
05660ba819 Initialize a field to cater for ata-raid 2002-04-02 10:09:16 +00:00
Poul-Henning Kamp
81661c94b6 Here follows the new kernel dumping infrastructure.
Caveats:

The new savecore program is not complete in the sense that it emulates
enough of the old savecores features to do the job, but implements none
of the options yet.

I would appreciate if a userland hacker could help me out getting savecore
to do what we want it to do from a users point of view, compression,
email-notification, space reservation etc etc.  (send me email if
you are interested).

Currently, savecore will scan all devices marked as "swap" or "dump" in
/etc/fstab _or_ any devices specified on the command-line.

All architectures but i386 lack an implementation of dumpsys(), but
looking at the i386 version it should be trivial for anybody familiar
with the platform(s) to provide this function.

Documentation is quite sparse at this time, more to come.

Details:

ATA and SCSI drivers should work as the dump formatting code has been
removed.  The IDA, TWE and AAC have not yet been converted.

Dumpon now opens the device and uses ioctl(DIOCGKERNELDUMP) to set
the device as dumpdev.  To implement the "off" argument, /dev/null
is used as the device.

Savecore will fail if handed any options since they are not (yet)
implemented.  All devices marked "dump" or "swap" in /etc/fstab
will be scanned and dumps found will be saved to diskfiles
named from the MD5 hash of the header record.  The header record
is dumped in readable format in the .info file.  The kernel
is not saved.  Only complete dumps will be saved.

All maintainer rights for this code are disclaimed: feel free to
improve and extend.

Sponsored by:   DARPA, NAI Labs
2002-03-31 22:37:00 +00:00
Poul-Henning Kamp
6ede0acccc Remove bogus ccddump() function in favour of the standard nodump. 2002-03-29 21:12:11 +00:00
Poul-Henning Kamp
fd503e698c Complete an incomplete cut&paste operation. 2002-03-28 22:00:24 +00:00
Poul-Henning Kamp
d93b7c5dcd Add preliminary PC98 class to GEOM.
I have not been able to find very much information about the PC98
extended partition layout so this is gleaned from the source in
our pc98 architecture.  Corrections and patched very welcome.

Sponsored by: DARPA and NAI Labs.
2002-03-28 21:38:38 +00:00
Poul-Henning Kamp
4c0a424c67 In the absense of any smarter way to do this, cast various printf
arguments to silence printf format warnings.
2002-03-28 10:09:24 +00:00
Poul-Henning Kamp
b7cb368d31 Calculate the checksum the right place for alpha. The fact that this
worked for the beast disklabel only goes to show how weak a simple
parity really is.
2002-03-27 21:16:49 +00:00
Poul-Henning Kamp
b1876192f0 Eliminate some thread pointers which do not make sense anymore.
Split private parts of geom.h into geom_int.h.  The latter should
never be included in class implemtations.
2002-03-26 22:07:38 +00:00
Poul-Henning Kamp
e805e8f0e8 Cave in to tradition and rename "methods" to "classes". 2002-03-26 21:40:06 +00:00
Poul-Henning Kamp
d306122d60 Push BIO_FORMAT into a local hack inside the floppy drivers where
it belongs.
2002-03-26 19:16:37 +00:00
Poul-Henning Kamp
7f7563188c Make the BSD method width/endian agnostic and support alpha
architecture labels as well.

Sponsored by: DARPA, NAI Labs.
2002-03-24 14:27:31 +00:00
Poul-Henning Kamp
3773a65c0b Be more systematic about conversion of on-disk formats in a endian/width
agnostic way.

Collapse the MBR and MBREXT methods into one file and make them endian/width
agnostic.

Sponsored by:	DARPA & NAI Labs.
2002-03-24 11:21:41 +00:00
Alfred Perlstein
be1673823f Fix bio->bio_blkno format warning. 2002-03-19 20:12:08 +00:00
Poul-Henning Kamp
00dcdc8d67 Add five GEOM oriented ioctls to get basic information about a geom device. 2002-03-19 13:54:15 +00:00
Poul-Henning Kamp
117bae1fd3 Need a different #include for the userland regression test. 2002-03-17 19:15:28 +00:00
Poul-Henning Kamp
a6de455253 Make this compile in the userland-regression testsuite again. 2002-03-17 18:57:49 +00:00
Poul-Henning Kamp
b14d84e24b Change the giant-dropping method a fair bit to keep WITNESS more
happy.
2002-03-17 07:42:54 +00:00
Poul-Henning Kamp
c4269c63a2 Forgot to remove the old g_malloc() call when I split it.
Spotted by:	dima
2002-03-17 07:00:39 +00:00
Poul-Henning Kamp
14e4cefcf8 Hmm, talk about optimizer-fodder. Make the DIOCGDVIRGIN hack work again. 2002-03-16 13:47:57 +00:00
Poul-Henning Kamp
a5b2e75d32 Add a generic and general ioctl pass-through mechanism.
It should now be posible to issue ioctls to SCSI CD drives.
2002-03-16 09:24:19 +00:00
Poul-Henning Kamp
132f08d017 Teach GEOM about Sun disklabel formats.
The detection code in this method is written so that it should work on
all architectures which means that you can plug a Sun disk into a i386
now and access the partitions.

We still need an endian-agnostic ufs/ffs before this is really
interresting, but the main focus was to get sparc64 onto the GEOM
trail.
2002-03-15 21:44:08 +00:00
Poul-Henning Kamp
19f1d16d37 Try to get used to architectures which are picky about alignment. 2002-03-15 21:41:41 +00:00
Kirk McKusick
0d2af52141 Introduce the new 64-bit size disk block, daddr64_t. Change
the bio and buffer structures to have daddr64_t bio_pblkno,
b_blkno, and b_lblkno fields which allows access to disks
larger than a Terabyte in size. This change also requires
that the VOP_BMAP vnode operation accept and return daddr64_t
blocks. This delta should not affect system operation in
any way. It merely sets up the necessary interfaces to allow
the development of disk drivers that work with these larger
disk block addresses. It also allows for the development of
UFS2 which will use 64-bit block addresses.
2002-03-15 18:49:47 +00:00
Poul-Henning Kamp
dd84a43c1d First commit of the GEOM subsystem to make it easier for people to
test and play with this.

This is not yet production quality and should be run only on dedicated
test boxes.

For people who want to develop transformations for GEOM there exist a
set of shims to run geom in userland (ask phk@freebsd.org).

Reports of all kinds to: phk@freebsd.org
Please include in report:
        dmesg
        sysctl debug.geomdot
        sysctl debug.geomconf

Known significant limitations:
        no kernel dump facility.
        ioctls severely restricted.

Sponsored by:   DARPA, NAI Labs
2002-03-11 21:42:35 +00:00
John Baldwin
a854ed9893 Simple p_ucred -> td_ucred changes to start using the per-thread ucred
reference.
2002-02-27 18:32:23 +00:00
Poul-Henning Kamp
e3f4d3b5e8 Reduce kernel stack usage of ccdinit() by MAXPATHLEN by using MALLOC(9).
Submitted by:	Maxim Konovalov <maxim@macomnet.ru>
MFC after:	1 week
2001-12-30 17:34:19 +00:00
Ian Dowse
55a13f7dd0 Return EOPNOTSUPP for unknown module events.
PR:		kern/18473
Submitted by:	"Jeroen C. van Gelderen" <gelderen@systemics.com>
2001-11-17 00:46:08 +00:00
Julian Elischer
b40ce4165d KSE Milestone 2
Note ALL MODULES MUST BE RECOMPILED
make the kernel aware that there are smaller units of scheduling than the
process. (but only allow one thread per process at this time).
This is functionally equivalent to teh previousl -current except
that there is a thread associated with each process.

Sorry john! (your next MFC will be a doosie!)

Reviewed by: peter@freebsd.org, dillon@freebsd.org

X-MFC after:    ha ha ha ha
2001-09-12 08:38:13 +00:00
Kris Kennaway
bf61e26696 Fix some signed/unsigned integer confusion, and add bounds checking of
arguments to some functions.

Obtained from:	NetBSD
Reviewed by:	peter
MFC after:	2 weeks
2001-09-10 11:28:07 +00:00
Poul-Henning Kamp
01706d206f Kill the NCCD constant by modernizing the ccd driver.
Submitted by:	sobomax
Reviewed by:	phk
2001-09-04 08:33:30 +00:00
Poul-Henning Kamp
724682d233 Polish error handling with biofinish(). 2001-05-08 09:10:27 +00:00
Poul-Henning Kamp
a468031ce8 Actually biofinish(struct bio *, struct devstat *, int error) is more general
than the bioerror().

Most of this patch is generated by scripts.
2001-05-06 20:00:03 +00:00
Andrew Gallatin
6a5a4d0a80 fix a number of printf format string warnings inside DEBUG ifdefs 2001-03-29 15:05:08 +00:00
Poul-Henning Kamp
f83880518b Send the remains (such as I have located) of "block major numbers" to
the bit-bucket.
2001-03-26 12:41:29 +00:00
Poul-Henning Kamp
896dba5a0c Fix a braino in ccd's clone routine.
Submitted by:	tegge
2001-01-29 06:18:14 +00:00
John Baldwin
ba88dfc733 Back out proc locking to protect p_ucred for obtaining additional
references along with the actual obtaining of additional references.
2001-01-27 00:01:31 +00:00
John Baldwin
14c3599a2d Proc locking in the form of using the proc lock to protect p_ucred while
we obtain another reference to it for vnode operations.
2001-01-23 21:58:44 +00:00
David Malone
7cc0979fd6 Convert more malloc+bzero to malloc+M_ZERO.
Submitted by:	josh@zipperup.org
Submitted by:	Robert Drehmel <robd@gmx.net>
2000-12-08 21:51:06 +00:00
Poul-Henning Kamp
db90128160 Avoid the modules madness I inadvertently introduced by making the
cloning infrastructure standard in kern_conf.  Modules are now
the same with or without devfs support.

If you need to detect if devfs is present, in modules or elsewhere,
check the integer variable "devfs_present".

This happily removes an ugly hack from kern/vfs_conf.c.

This forces a rename of the eventhandler and the standard clone
helper function.

Include <sys/eventhandler.h> in <sys/conf.h>: it's a helper #include
like <sys/queue.h>

Remove all #includes of opt_devfs.h they no longer matter.
2000-09-02 19:17:34 +00:00
Poul-Henning Kamp
a6b1634eb2 Give ccd a cloning function. 2000-08-29 16:29:02 +00:00
Kirk McKusick
e6796b67d9 Move the truncation code out of vn_open and into the open system call
after the acquisition of any advisory locks. This fix corrects a case
in which a process tries to open a file with a non-blocking exclusive
lock. Even if it fails to get the lock it would still truncate the
file even though its open failed. With this change, the truncation
is done only after the lock is successfully acquired.

Obtained from:	 BSD/OS
2000-07-04 03:34:11 +00:00
Poul-Henning Kamp
9626b608de Separate the struct bio related stuff out of <sys/buf.h> into
<sys/bio.h>.

<sys/bio.h> is now a prerequisite for <sys/buf.h> but it shall
not be made a nested include according to bdes teachings on the
subject of nested includes.

Diskdrivers and similar stuff below specfs::strategy() should no
longer need to include <sys/buf.> unless they need caching of data.

Still a few bogus uses of struct buf to track down.

Repocopy by:    peter
2000-05-05 09:59:14 +00:00