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17 Commits

Author SHA1 Message Date
phk
411db1de5a Improve some on the naming. 
Submitted by:	iedowse
 2002-06-09 10:57:34 +00:00
phk
7f7b291518 Change the registration of magic spaces so it does its own memory management. 
Sponsored by: DARPA & NAI Labs.
 2002-06-05 20:30:36 +00:00
phk
476ca0197f Introduce the concept of "magic spaces", and implement them in most of 
the relevant classes.

Some methods may implement various "magic spaces", this is reserved
or magic areas on the disk, set a side for various and sundry purposes.
A good example is the BSD disklabel and boot code on i386 which occupies
a total of four magic spaces: boot1, the disklabel, the padding behind
the disklabel and boot2.  The reason we don't simply tell people to
write the appropriate stuff on the underlying device is that (some of)
the magic spaces might be real-time modifiable.  It is for instance
possible to change a disklabel while partitions are open, provided
the open partitions do not get trampled in the process.

Sponsored by:	DARPA & NAI Labs.
 2002-05-21 20:33:49 +00:00
phk
8623a7bc17 Remove the "-class" suffix from classes, they will not be ambiguous. 
Sponsored by:	DARPA & NAI Labs.
 2002-05-21 19:50:04 +00:00
phk
c9901ea470 Generalize a bit: we don't need separate functions to find the i386 and 
alpha disklabels, just one function which is told where to look.

Sponsored by: DARPA & NAI Labs.
 2002-05-19 19:00:25 +00:00
phk
4ca7562a61 Implement the GEOMGETCONF ioctl which returns vital stats for the 
current device in XML in an sbuf.

Sponsored by:	DARPA & NAI Labs
 2002-04-23 19:54:02 +00:00
phk
a90e28ebbb Implement DIOCGFRONTSTUFF ioctl which reports how many bytes from the start 
of the device magic stuff might occupy.

Sponsored by: DARPA & NAI Labs.
 2002-04-09 15:43:32 +00:00
phk
fd177bc959 Move access and orphan member functions from class to geom. 
Sponsored by: DARPA & NAI Labs
 2002-04-04 09:54:13 +00:00
phk
4d586060a3 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
phk
e11a1be17e 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
phk
d3fb224518 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
phk
aeded84143 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
phk
1af8cfb2f2 Cave in to tradition and rename "methods" to "classes". 2002-03-26 21:40:06 +00:00
phk
7f990ca62c 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
phk
963527831a Make this compile in the userland-regression testsuite again. 2002-03-17 18:57:49 +00:00
phk
688687434f 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
phk
3e53a43775 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