This change slipped through hidden in a CVS conflict. Logically belongs
to the previous commit (fix resource deallocation).

First stab at fixing resource deallocation, and implementing fdc(4) as
a KLD. Still doesn't work well except in the PCMCIA case (now if only
pccardd(8) could load and unload drivers dynamically...).

First stab at fixing resource deallocation, and implementing fdc(4) as
a KLD. Still doesn't work well except in the PCMCIA case (now if only
pccardd(8) could load and unload drivers dynamically...). Mainly, it
tries to find fdc0 on the PCI bus for whatever obscure reasons, but i
need someone who understands driver(9) to fix this. However, it's at least
already better than before, and i'm tired of maintaining too many private
changes in my tree, given the large patches bde submitted. :)

Idea of a KLD triggered by: Michael Reifenberger <root@nihil.plaut.de>

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Merge in parts of a larger patchset i received from Bruce. Untested
by now (except of a compile test), but i believe this to contain no
actual functional changes.

. Fix the copyright of the Regents

Merge in parts of a larger patchset i received from Bruce. Untested
by now (except of a compile test), but i believe this to contain no
actual functional changes.

. Fix the copyright of the Regents i accidentally broke in rev 1.197
(although only a very small part of the original driver survived
at all...).

. Bump MAX_CYLINDER since some obscure formats really use more than 80
cylinders.

. Correctly handle BIO_FORMAT which used to be a bitmask but is now a BIO
command of its own.

. Numerous stylistic fixes.

Submitted by: bde

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Implement a new ioctl command for floppies: FD_READID

Reads one sector ID field from a given track. Useful for analyzing
floppies.

Some more cosmetics: kill another couple of K&R function definitions
that survived from old days, fix style of return type in fdcpio(),
kill old Emacs hints that are no longer working that way anyway.

Cosmetics:

. staticize out_fdc(), there's no longer an ft(4) driver sharing its use
. remove in_fdc(), has been used by ft(4) last time, long since obsoleted
by fd_in()
. move the declaration of f

Cosmetics:

. staticize out_fdc(), there's no longer an ft(4) driver sharing its use
. remove in_fdc(), has been used by ft(4) last time, long since obsoleted
by fd_in()
. move the declaration of fd_clone() to where most of the other function
declarations are
. de-__P()ify fd_clone(), it's been the only _P()ed function in the
entire file

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Hints overhaul:
- Replace some very poorly thought out API hacks that should have been
fixed a long while ago.
- Provide some much more flexible search functions (resource_find_*())
- Use strings f

Hints overhaul:
- Replace some very poorly thought out API hacks that should have been
fixed a long while ago.
- Provide some much more flexible search functions (resource_find_*())
- Use strings for storage instead of an outgrowth of the rather
inconvenient temporary ioconf table from config(). We already had a
fallback to using strings before malloc/vm was running anyway.

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Cosmetics:

. remove stale comments and a stale #define (from the old days of ft(4))
. make MAX_SEC_SIZE (used in isa_dmainit()) a #define

. fix a typo in a string
. use 0 as the blocksize in devsta

Cosmetics:

. remove stale comments and a stale #define (from the old days of ft(4))
. make MAX_SEC_SIZE (used in isa_dmainit()) a #define

. fix a typo in a string
. use 0 as the blocksize in devstat_add_entry(), since the actual blocksize
is unknown (devstat(9) suggests to use 0 in that case)

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Nuke the various poorly maintained copies of ioctl_fd.h. The file is
not machine-dependant, thus it has been moved out (repo-copied) into
<sys/fdcio.h>.

Make the FDC (state machine) state an enum, as opposed to an int
abusing a bunch of #defines, for clarity and better debugging support.

Fix my email address. I accidentally cut'npasted the wrong (old)
hostname laste time.

Don't lie to diskerr() now that it listens to us.

Implement a few more floppy ioctl commands and IO options, namely:

. FD_CLRERR clears the error counter, thus re-enables kernel error
printf()s,

. FD_GSTAT obtains the last FDC operation state, i

Implement a few more floppy ioctl commands and IO options, namely:

. FD_CLRERR clears the error counter, thus re-enables kernel error
printf()s,

. FD_GSTAT obtains the last FDC operation state, if any,

. FDOPT_NOERRLOG (temporarily) turns off kernel printf() floppy
error logging,

. FDOPT_NOERROR makes the kernel ignore an FDC error, thus can
enable the transfer of an erroneous sector to the user application

All options are being cleared on (last) close.

Prime consumer of the last features will be fdread(1), to be committed
shortly.

(FD_CLRERR should be wired into fdcontrol(8), but then fdcontrol(8)
needs a major rewrite anyway.)

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Actually biofinish(struct bio *, struct devstat *, int error) is more general
than the bioerror().

Most of this patch is generated by scripts.

Undo part of the tangle of having sys/lock.h and sys/mutex.h included in
other "system" header files.

Also help the deprecation of lockmgr.h by making it a sub-include of
sys/lock.h and removing sys

Undo part of the tangle of having sys/lock.h and sys/mutex.h included in
other "system" header files.

Also help the deprecation of lockmgr.h by making it a sub-include of
sys/lock.h and removing sys/lockmgr.h form kernel .c files.

Sort sys/*.h includes where possible in affected files.

OK'ed by: bde (with reservations)

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Send the remains (such as I have located) of "block major numbers" to
the bit-bucket.

Harvest interrupt entropy off the floppy disk controller.

Convert more malloc+bzero to malloc+M_ZERO.

Submitted by: josh@zipperup.org
Submitted by: Robert Drehmel <robd@gmx.net>

Make diskerr() always log with printf.

Untangle some resource matching loops that were getting on my nerves
and seemed to be getting cut/pasted to places they shouldn't be.

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 dev

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.

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Remove all traces of Julians DEVFS (incl from kern/subr_diskslice.c)

Remove old DEVFS support fields from dev_t.

Make uid, gid & mode members of dev_t and set them in make_dev().

Use correct

Remove all traces of Julians DEVFS (incl from kern/subr_diskslice.c)

Remove old DEVFS support fields from dev_t.

Make uid, gid & mode members of dev_t and set them in make_dev().

Use correct uid, gid & mode in make_dev in disk minilayer.

Add support for registering alias names for a dev_t using the
new function make_dev_alias(). These will show up as symlinks
in DEVFS.

Use makedev() rather than make_dev() for MFSs magic devices to prevent
DEVFS from noticing this abuse.

Add a field for DEVFS inode number in dev_t.

Add new DEVFS in fs/devfs.

Add devfs cloning to:
disk minilayer (ie: ad(4), sd(4), cd(4) etc etc)
md(4), tun(4), bpf(4), fd(4)

If DEVFS add -d flag to /sbin/inits args to make it mount devfs.

Add commented out DEVFS to GENERIC

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Avoid a '"fd" is usurping ...' message.

PR: 20348
Submitted by: Andre Albsmeier <andre.albsmeier@mchp.siemens.de>

Fix a warning re: a potentially unused pccard helper function

Step down a level and issue format requests with a struct bio instead
of a struct buf.