Update copyright notice for Ludd (remove clause 3 & 4).

KNF. Remove extra spaces. No functional change.

return error

make more drivers use disk_ioctl, and add a dev parameter to it so that
we can merge the "easy" disklabel ioctls to it. Ultimately all this will
go do dk_ioctl once all the drivers have been converted.

branches: 1.50.4;
Add d_discard to all struct cdevsw instances I could find.

All have been set to "nodiscard"; some should get a real implementation.

Add d_discard to all struct bdevsw instances I could find.

I've set them all to nodiscard. Some of them (wd, dk, vnd, ld,
raidframe, maybe cgd) should be implemented for real.

branches: 1.48.18; 1.48.32;
Cleanup includes. Change <machine/XXX.h> to <sys/XXX.h> for bus, cpu, intr.
Remove unneeded includes.

branches: 1.47.6;
g/c BUFQ_FOO() macros and use bufq_foo() directly.

branches: 1.46.4; 1.46.12;
Rototill the vax code. Switch to devicet/PRIV_ALLOC. Cleanup vax autoconf
code. Move to prototype definitions. staticfy, constify, avoid casting.
Use device_* accessors.

branches: 1.45.12; 1.45.16;
Merge the ppcoea-renovation branch to HEAD.

This branch was a major cleanup and rototill of many of the various OEA
cpu based PPC ports that focused on sharing as much code as possible
between the various ports to eliminate near-identical copies of files in
every tree. Additionally there is a new PIC system that unifies the
interface to interrupt code for all different OEA ppc arches. The work
for this branch was done by a variety of people, too long to list here.

TODO:
bebox still needs work to complete the transition to -renovation.
ofppc still needs a bunch of work, which I will be looking at.
ev64260 still needs to be renovated
amigappc was not attempted.

NOTES:
pmppc was removed as an arch, and moved to a evbppc target.

Merge disk init changes from the vmlocking branch. These seperate init /
destroy of 'struct disk' from attach / detach.

branches: 1.43.2; 1.43.10; 1.43.18; 1.43.20; 1.43.22;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.

branches: 1.42.14;
Make this build again (replace indirection with field access).

Make i/o statistics collection more generic, include tape drives and
nfs mounts in the set of devices that statistics will be reported on.

Use device_unit().

branches: 1.39.4; 1.39.6; 1.39.8; 1.39.10; 1.39.12;
merge ktrace-lwp.

- change the way to specify a bufq strategy. (by string rather than by number)
- rather than embedding bufq_state in driver softc,
have a pointer to the former.
- move bufq related functions from kern/subr_disk.c to kern/subr_bufq.c.
- rename method to strategy for consistency.
- move some definitions which don't need to be exposed to the rest of kernel
from sys/bufq.h to sys/bufq_impl.h.
(is it better to move it to kern/ or somewhere?)
- fix some obvious breakage in dev/qbus/ts.c. (not tested)

branches: 1.37.12;
move buffer queue related stuffs from buf.h to their own header, bufq.h.

hpfinish: pass correct buffer to diskerr();

__KERNEL_RCSID()

branches: 1.34.2;
Change bounds_check_with_label() to take a pointer to the disk structure,
rather than the label itself. This paves the way for some future changes.

Change return type of readdisklabel() to const char *
I hope I've found all the correct places!

Nake return values from bounds_check_with_label() conform to the man
page: -1 for error, 0 for EOF, 1 otherwise. Inspired by an OpenBSD commit
message, pointed out by Miod Vallat in private mail.
vax/mba/hp.c: check return value <= 0, not < 0 to be concistent with how
other places handle return values from bounds_check_with_label().

implement separate read/write disk statistics:
- disk_unbusy() gets a new parameter to tell the IO direction.
- struct disk_sysctl gets 4 new members for read/write bytes/transfers.
when processing hw.diskstats, add the read&write bytes/transfers for
the old combined stats to attempt to keep backwards compatibility.

unfortunately, due to multiple bugs, this will cause new kernels and old
vmstat/iostat/systat programs to fail. however, the next time this is
change it will not fail again.

this is just the kernel portion.

merge kqueue branch into -current

kqueue provides a stateful and efficient event notification framework
currently supported events include socket, file, directory, fifo,
pipe, tty and device changes, and monitoring of processes and signals

kqueue is supported by all writable filesystems in NetBSD tree
(with exception of Coda) and all device drivers supporting poll(2)

based on work done by Jonathan Lemon for FreeBSD
initial NetBSD port done by Luke Mewburn and Jason Thorpe

Add trailing ; to CFATTACH_DECL.

Use CFATTACH_DECL().

Declare all cfattach structures const.

Merge the gehenna-devsw branch into the trunk.

This merge changes the device switch tables from static array to
dynamically generated by config(8).

- All device switches is defined as a constant structure in device drivers.

- The new grammer ``device-major'' is introduced to ``files''.

device-major <prefix> char <num> [block <num>] [<rules>]

- All device major numbers must be listed up in port dependent majors.<arch>
by using this grammer.

- Added the new naming convention.
The name of the device switch must be <prefix>_[bc]devsw for auto-generation
of device switch tables.

- The backward compatibility of loading block/character device
switch by LKM framework is broken. This is necessary to convert
from block/character device major to device name in runtime and vice versa.

- The restriction to assign device major by LKM is completely removed.
We don't need to reserve LKM entries for dynamic loading of device switch.

- In compile time, device major numbers list is packed into the kernel and
the LKM framework will refer it to assign device major number dynamically.

Convert to new device buffer queue interface.

Approved by: Anders Magnusson <ragge@netbsd.org>

branches: 1.24.4; 1.24.6; 1.24.10; 1.24.18;
Remove home-grown interrupt vector handler.
Bus_space'ify; needed to get RH11 working. Still much more to do, though.

branches: 1.23.2;
boot detection moved autoconf.c; remove it from here.

Nuke unused variable.

Fix a bug in disksort_*() which caused non-optimal ordering when multiple
active partitions were on a single spindle. Add a b_rawblkno member to
struct buf which contains the non-partition-relative block number to sort
by.

Update for sys/buf.h/disksort_*() changes.

branches: 1.19.2; 1.19.8;
Erroneous checking of return value from bounds_check_with_label().
Massbus disks should work now.

Remove __BROKEN_INDIRECT_CONFIG and change all drivers to use
config_search instead.

Update for changes to config.

use locator defines in "locators.h" to index cf_loc[]

foosize()'s return value is in DEV_BSIZE units; adjust the size obtained
from the disklabel accordingly.

Change the way boot device is figured out; now only using DEC numbers
and done when the device get attached.

Pass a struct device ** down to the functions that find the boot device.

branches: 1.12.2;
backout previous kprintf change

printf -> kprintf, sprintf -> ksprintf

Automatic changing of root device after boot now works.

Fixed all (proto)type errors. Fixes PR 2377.

Added prototypes to everything. Made all files compile with -Wall.

Convert all devices according to the changes to config.

Add routine to convert phys device number to kernel unit number.
Allow to set disklabel area writable.

Allow rewriting of disk label after newfs.

Device drivers for massbus adapters and massbus disks.
Works with RP04/05/06/07 disks.

Fix #includes.

Fix #includes.

Beginning ov Massbuss support.

Unneccessary.

Beginning ov Massbuss support.

Update copyright notice for Ludd (remove clause 3 & 4).

branches: 1.5.176; 1.5.196;
Remove home-grown interrupt vector handler.
Bus_space'ify; needed to get RH11 working. Still much more to do, though.

branches: 1.4.30; 1.4.38;
Device drivers for massbus adapters and massbus disks.
Works with RP04/05/06/07 disks.

branches: 1.3.2;
Additions to be able to write to massbuss disks standalone.

Some flags added to use in boot blocks.

Beginning ov Massbuss support.

Merge thorpej-cfargs2.

branches: 1.41.8;
Merge thorpej-cfargs branch:

Simplify and make extensible the config_search() / config_found() /
config_attach() interfaces: rather than having different variants for
which arguments you want pass along, just have a single call that
takes a variadic list of tag-value arguments.

Adjust all call sites:
- Simplify wherever possible; don't pass along arguments that aren't
actually needed.
- Don't be explicit about what interface attribute is attaching if
the device only has one. (More simplification.)
- Add a config_probe() function to be used in indirect configuiration
situations, making is visibly easier to see when indirect config is
in play, and allowing for future change in semantics. (As of now,
this is just a wrapper around config_match(), but that is an
implementation detail.)

Remove unnecessary or redundant interface attributes where they're not
needed.

There are currently 5 "cfargs" defined:
- CFARG_SUBMATCH (submatch function for direct config)
- CFARG_SEARCH (search function for indirect config)
- CFARG_IATTR (interface attribte)
- CFARG_LOCATORS (locators array)
- CFARG_DEVHANDLE (devhandle_t - wraps OFW, ACPI, etc. handles)

...and a sentinel value CFARG_EOL.

Add some extra sanity checking to ensure that interface attributes
aren't ambiguous.

Use CFARG_DEVHANDLE in MI FDT, OFW, and ACPI code, and macppc and shark
ports to associate those device handles with device_t instance. This
will trickle trough to more places over time (need back-end for pre-OFW
Sun OBP; any others?).

branches: 1.40.24;
Update copyright notice for Ludd (remove clause 3 & 4).

branches: 1.39.18; 1.39.36;
Cleanup includes. Change <machine/XXX.h> to <sys/XXX.h> for bus, cpu, intr.
Remove unneeded includes.

branches: 1.38.6;
g/c BUFQ_FOO() macros and use bufq_foo() directly.

branches: 1.37.2;
fix detection of unknown massbus devices, ok by matt

branches: 1.36.4; 1.36.10;
Rototill the vax code. Switch to devicet/PRIV_ALLOC. Cleanup vax autoconf
code. Move to prototype definitions. staticfy, constify, avoid casting.
Use device_* accessors.

branches: 1.35.50; 1.35.70; 1.35.74;
merge ktrace-lwp.

- change the way to specify a bufq strategy. (by string rather than by number)
- rather than embedding bufq_state in driver softc,
have a pointer to the former.
- move bufq related functions from kern/subr_disk.c to kern/subr_bufq.c.
- rename method to strategy for consistency.
- move some definitions which don't need to be exposed to the rest of kernel
from sys/bufq.h to sys/bufq_impl.h.
(is it better to move it to kern/ or somewhere?)
- fix some obvious breakage in dev/qbus/ts.c. (not tested)

branches: 1.33.12;
Include the <sys/bufq.h> header to allow these to compile again.

__KERNEL_RCSID()

branches: 1.31.2;
DMA, not dma nor Dma.

Use aprint_normal() in cfprint routines.

Add trailing ; to CFATTACH_DECL.

Use CFATTACH_DECL().

Declare all cfattach structures const.

Convert to new device buffer queue interface.

Approved by: Anders Magnusson <ragge@netbsd.org>

branches: 1.25.4; 1.25.8; 1.25.16;
Nexus vector number is 0x14-0x17, not 14-17! Fortunately, 3 wrong did
one right. Pointed out by Kenn Humborg (kenn@linux.ie).

remove include of <vm/vm.h>. <vm/vm.h> -> <uvm/uvm_extern.h>

remove/move more mach vm header files:

<vm/pglist.h> -> <uvm/uvm_pglist.h>
<vm/vm_inherit.h> -> <uvm/uvm_inherit.h>
<vm/vm_kern.h> -> into <uvm/uvm_extern.h>
<vm/vm_object.h> -> nothing
<vm/vm_pager.h> -> into <uvm/uvm_pager.h>

also includes a bunch of <vm/vm_page.h> include removals (due to redudancy
with <vm/vm.h>), and a scattering of other similar headers.

branches: 1.22.2;
Adjust to new evcnt stuff.

Remove home-grown interrupt vector handler.
Bus_space'ify; needed to get RH11 working. Still much more to do, though.

More event counter stuff. Plus a little cruft cleanup while doing it.

branches: 1.19.2;
A foolish consistency; most parts of the kernel use bp->b_data, so
change these from bp->b_un.b_addr to bp->b_data, as well. This also
allows us more flexibility to experiment with other data buffer types
hung off of struct buf.

Revamp the VAX interrupt handling code. Make it compatible with all the
other ports. Clean up some things.

Update for sys/buf.h/disksort_*() changes.

defopt VAX750 side effect.

branches: 1.15.8;
Giant change: NBPG now set to 4k and CLSIZE == 1 for vax. This change
made a whole bunch of annoying bugs disappear; mostly depending on
bad use of NBPG in non-MD code. The VAX port was the only port that
used this historical "feature".

The CL* macros should probably go away totally, there is no reason
at all to keep them.

Wall fix.

Remove __BROKEN_INDIRECT_CONFIG and change all drivers to use
config_search instead.

Make kernel compile & run again after latest config changes.

Update for changes to config.

backout previous kprintf change

printf -> kprintf, sprintf -> ksprintf

change cfprint_t type definition to take a const char *, rather than
a char *, because that's what was really intended, and because
if the print function modifies the string, various things could become
unhappy (so the string should _not_ be modified).

Use common routine to map in pages before DMA'ing.

Added prototypes to everything. Made all files compile with -Wall.

Convert all devices according to the changes to config.

Add routine to convert phys device number to kernel unit number.
Allow to set disklabel area writable.

Device drivers for massbus adapters and massbus disks.
Works with RP04/05/06/07 disks.

Fix #includes.

Beginning ov Massbuss support.

Update copyright notice for Ludd (remove clause 3 & 4).

branches: 1.5.38; 1.5.58;
fix detection of unknown massbus devices, ok by matt

branches: 1.4.128; 1.4.132; 1.4.138;
Remove home-grown interrupt vector handler.
Bus_space'ify; needed to get RH11 working. Still much more to do, though.

branches: 1.3.30; 1.3.38;
Device drivers for massbus adapters and massbus disks.
Works with RP04/05/06/07 disks.

branches: 1.2.2;
Additions to be able to write to massbuss disks standalone.

Beginning ov Massbuss support.

Update copyright notice for Ludd (remove clause 3 & 4).

branches: 1.13.38; 1.13.58;
fix detection of unknown massbus devices, ok by matt

branches: 1.12.4; 1.12.10;
Rototill the vax code. Switch to devicet/PRIV_ALLOC. Cleanup vax autoconf
code. Move to prototype definitions. staticfy, constify, avoid casting.
Use device_* accessors.

branches: 1.11.50; 1.11.70; 1.11.74;
merge ktrace-lwp.

- change the way to specify a bufq strategy. (by string rather than by number)
- rather than embedding bufq_state in driver softc,
have a pointer to the former.
- move bufq related functions from kern/subr_disk.c to kern/subr_bufq.c.
- rename method to strategy for consistency.
- move some definitions which don't need to be exposed to the rest of kernel
from sys/bufq.h to sys/bufq_impl.h.
(is it better to move it to kern/ or somewhere?)
- fix some obvious breakage in dev/qbus/ts.c. (not tested)

branches: 1.9.2;
Declare string pointers const.

branches: 1.8.6;
Convert to new device buffer queue interface.

Approved by: Anders Magnusson <ragge@netbsd.org>

branches: 1.7.6; 1.7.10; 1.7.18;
Remove home-grown interrupt vector handler.
Bus_space'ify; needed to get RH11 working. Still much more to do, though.

More event counter stuff. Plus a little cruft cleanup while doing it.

branches: 1.5.2;
Update for sys/buf.h/disksort_*() changes.

branches: 1.4.30;
Added prototypes to everything. Made all files compile with -Wall.

Add routine to convert phys device number to kernel unit number.
Allow to set disklabel area writable.

Device drivers for massbus adapters and massbus disks.
Works with RP04/05/06/07 disks.

Beginning ov Massbuss support.