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History log of /src/sys/dev/bi
RevisionDateAuthorComments
 1.27 07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.26 24-Apr-2021  thorpej branches: 1.26.8;
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?).
 1.25 15-Dec-2010  matt branches: 1.25.76;
Need to include <sys/device.h> since vax's <sys/cpu.h> doesn't.
 1.24 11-Mar-2008  matt branches: 1.24.26;
Rototill the vax code. Switch to devicet/PRIV_ALLOC. Cleanup vax autoconf
code. Move to prototype definitions. staticfy, constify, avoid casting.
Use device_* accessors.
 1.23 19-Oct-2007  ad branches: 1.23.12; 1.23.16;
machine/{bus,cpu,intr}.h -> sys/{bus,cpu,intr}.h
 1.22 04-Mar-2007  christos branches: 1.22.2; 1.22.14; 1.22.16; 1.22.20;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.21 11-Dec-2005  christos branches: 1.21.26;
merge ktrace-lwp.
 1.20 27-Feb-2005  perry branches: 1.20.4;
nuke trailing whitespace
 1.19 04-Feb-2005  perry de-__P
 1.18 01-Jan-2003  thorpej branches: 1.18.2; 1.18.10; 1.18.12;
Use aprint_normal() in cfprint routines.
 1.17 13-Nov-2001  lukem add RCSID
 1.16 26-Jul-2000  ragge branches: 1.16.2; 1.16.4;
More intelligent BI vector assignment.
 1.15 06-Jul-2000  ragge Rename NODESIZE to BI_NODESIZE.
 1.14 26-Mar-2000  ragge Bus_dma'ify the KDB50 driver, and make it work.
 1.13 04-Aug-1999  ragge branches: 1.13.2;
Converted to (mostly) MI code.
 1.12 12-Jul-1999  ragge Copied from ../../arch/vax/bi/bi.c,v
 1.11 02-Feb-1999  ragge Another giant change: Allocate register space dynamic instead of compiled-in.
This is done on a physical page size basis, instead of virtual (as the
(on vax yet non-existing) bus_* routines does). This is similar to the
way uba allocation is done.
 1.10 29-Nov-1998  ragge Wall fix.
 1.9 18-Oct-1998  ragge Support for DWBUA (BI to Unibus adapter) and KLESI-B (TMSCP tape ctlr) added.
 1.8 31-Aug-1998  ragge Support for all 4 console lines on KA820. Support for this written
by Sergey Svishchev (svs@ropnet.ru).
 1.7 13-Apr-1998  ragge Wall cleaning.
 1.6 24-Jan-1998  ragge Remove __BROKEN_INDIRECT_CONFIG and change all drivers to use
config_search instead.
 1.5 12-Jan-1998  thorpej Update for changes to config.
 1.4 13-Oct-1996  christos backout previous kprintf change
 1.3 11-Oct-1996  christos printf -> kprintf, sprintf -> ksprintf
 1.2 27-Aug-1996  cgd 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).
 1.1 19-Jul-1996  ragge Support for the VAXBI bus, and KDB50 device driver (MSCP disk).
Parts of this written by Chris Torek at the beginning of time.
 1.13.2.1 20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.
 1.16.4.1 10-Jan-2002  thorpej Sync kqueue branch with -current.
 1.16.2.2 03-Jan-2003  thorpej Sync with HEAD.
 1.16.2.1 14-Nov-2001  nathanw Catch up to -current.
 1.18.12.2 19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.18.12.1 12-Feb-2005  yamt sync with head.
 1.18.10.1 29-Apr-2005  kent sync with -current
 1.18.2.2 04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.18.2.1 04-Feb-2005  skrll Sync with HEAD.
 1.20.4.3 17-Mar-2008  yamt sync with head.
 1.20.4.2 27-Oct-2007  yamt sync with head.
 1.20.4.1 03-Sep-2007  yamt sync with head.
 1.21.26.1 12-Mar-2007  rmind Sync with HEAD.
 1.22.20.1 25-Oct-2007  bouyer Sync with HEAD.
 1.22.16.2 23-Mar-2008  matt sync with HEAD
 1.22.16.1 06-Nov-2007  matt sync with HEAD
 1.22.14.1 26-Oct-2007  joerg Sync with HEAD.

Follow the merge of pmap.c on i386 and amd64 and move
pmap_init_tmp_pgtbl into arch/x86/x86/pmap.c. Modify the ACPI wakeup
code to restore CR4 before jumping back into kernel space as the large
page option might cover that.
 1.22.2.1 23-Oct-2007  ad Sync with head.
 1.23.16.1 03-Apr-2008  mjf Sync with HEAD.
 1.23.12.1 24-Mar-2008  keiichi sync with head.
 1.24.26.1 05-Mar-2011  rmind sync with head
 1.25.76.1 21-Mar-2021  thorpej Give config_found() the same variadic arguments treatment as
config_search(). This commit only adds the CFARG_EOL sentinel
to the existing config_found() calls. Conversion of config_found_sm_loc()
and config_found_ia() call sites will be in subsequent commits.
 1.26.8.1 04-Aug-2021  thorpej Adapt to CFARGS().
 1.10 11-Dec-2005  christos merge ktrace-lwp.
 1.9 13-Feb-2004  wiz Uppercase CPU, plural is CPUs.
 1.8 07-Aug-2003  agc Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.
 1.7 06-Jul-2000  ragge branches: 1.7.24;
Rename NODESIZE to BI_NODESIZE.
 1.6 04-Aug-1999  ragge branches: 1.6.2;
Converted to (mostly) MI code.
 1.5 12-Jul-1999  ragge Copied from ../../arch/vax/bi/bireg.h,v
 1.4 18-Oct-1998  ragge Support for DWBUA (BI to Unibus adapter) and KLESI-B (TMSCP tape ctlr) added.
 1.3 31-Aug-1998  ragge Support for all 4 console lines on KA820. Support for this written
by Sergey Svishchev (svs@ropnet.ru).
 1.2 13-Apr-1998  ragge Wall cleaning.
 1.1 19-Jul-1996  ragge Support for the VAXBI bus, and KDB50 device driver (MSCP disk).
Parts of this written by Chris Torek at the beginning of time.
 1.6.2.1 20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.
 1.7.24.3 21-Sep-2004  skrll Fix the sync with head I botched.
 1.7.24.2 18-Sep-2004  skrll Sync with HEAD.
 1.7.24.1 03-Aug-2004  skrll Sync with HEAD
 1.13 11-Mar-2008  matt Rototill the vax code. Switch to devicet/PRIV_ALLOC. Cleanup vax autoconf
code. Move to prototype definitions. staticfy, constify, avoid casting.
Use device_* accessors.
 1.12 11-Dec-2005  christos branches: 1.12.46; 1.12.66; 1.12.70;
merge ktrace-lwp.
 1.11 27-Jun-2005  ragge branches: 1.11.2;
Fixes due to cast-qual addition.
 1.10 27-Feb-2005  perry nuke trailing whitespace
 1.9 06-Jan-2003  matt branches: 1.9.2; 1.9.10; 1.9.12;
Add multiple inclusion protection.
 1.8 26-Jul-2000  ragge branches: 1.8.2;
More intelligent BI vector assignment.
 1.7 04-Jun-2000  matt More event counter stuff. Plus a little cruft cleanup while doing it.
 1.6 04-Jun-2000  matt Start counting interrupts.
 1.5 26-Mar-2000  ragge branches: 1.5.2;
Bus_dma'ify the KDB50 driver, and make it work.
 1.4 04-Aug-1999  ragge branches: 1.4.2;
Converted to (mostly) MI code.
 1.3 12-Jul-1999  ragge Copied from ../../arch/vax/bi/bivar.h,v
 1.2 18-Oct-1998  ragge Support for DWBUA (BI to Unibus adapter) and KLESI-B (TMSCP tape ctlr) added.
 1.1 19-Jul-1996  ragge Support for the VAXBI bus, and KDB50 device driver (MSCP disk).
Parts of this written by Chris Torek at the beginning of time.
 1.4.2.1 20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.
 1.5.2.1 22-Jun-2000  minoura Sync w/ netbsd-1-5-base.
 1.8.2.1 07-Jan-2003  thorpej Sync with HEAD.
 1.9.12.1 19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.9.10.1 29-Apr-2005  kent sync with -current
 1.9.2.2 10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.9.2.1 04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.11.2.1 17-Mar-2008  yamt sync with head.
 1.12.70.1 03-Apr-2008  mjf Sync with HEAD.
 1.12.66.1 24-Mar-2008  keiichi sync with head.
 1.12.46.1 23-Mar-2008  matt sync with HEAD
 1.3 11-Mar-2008  matt Rototill the vax code. Switch to devicet/PRIV_ALLOC. Cleanup vax autoconf
code. Move to prototype definitions. staticfy, constify, avoid casting.
Use device_* accessors.
 1.2 09-Apr-2000  ragge branches: 1.2.44; 1.2.102; 1.2.122; 1.2.126;
Device driver for the DEC DEBNA/DEBNT/DEBNK ethernet device.

This is for sure the most overkill hardware I've ever seen! For example,
it needs the VAX page tables so that it can access all data structures
and mbufs in virtual memory! It will be a real challenge to make this
device work on mips and Alpha systems :-)
 1.1 04-Aug-1999  ragge branches: 1.1.2;
"files" also needed.
 1.1.2.1 20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.
 1.2.126.1 03-Apr-2008  mjf Sync with HEAD.
 1.2.122.1 24-Mar-2008  keiichi sync with head.
 1.2.102.1 23-Mar-2008  matt sync with HEAD
 1.2.44.1 17-Mar-2008  yamt sync with head.
 1.50 18-Sep-2022  thorpej Eliminate use of IFF_OACTIVE.
 1.49 28-May-2019  msaitoh Use ETHER_LOCK()/ETHER_UNLOCK() for all ethernet drivers to protect ec_multi*.
 1.48 23-May-2019  msaitoh Whitespace fix (mainly tabify).
 1.47 23-May-2019  msaitoh - Use aprint_*().
- KNF
- u_int*_t -> uint*_t
 1.46 26-Jun-2018  msaitoh branches: 1.46.2;
Implement the BPF direction filter (BIOC[GS]DIRECTION). It provides backward
compatibility with BIOC[GS]SEESENT ioctl. The userland interface is the same
as FreeBSD.

This change also fixes a bug that the direction is misunderstand on some
environment by passing the direction to bpf_mtap*() instead of checking
m->m_pkthdr.rcvif.
 1.45 22-Jun-2018  msaitoh It's not required to include net/bpfdesc.h. Remove it.
 1.44 15-Dec-2016  ozaki-r branches: 1.44.8; 1.44.14;
Move bpf_mtap and if_ipackets++ on Rx of each driver to percpuq if_input

The benefits of the change are:
- We can reduce codes
- We can provide the same behavior between drivers
- Where/When if_ipackets is counted up
- Note that some drivers still update packet statistics in their own
way (periodical update)
- Moved bpf_mtap run in softint
- This makes it easy to MP-ify bpf

Proposed on tech-kern and tech-net
 1.43 10-Jun-2016  ozaki-r branches: 1.43.2;
Introduce m_set_rcvif and m_reset_rcvif

The API is used to set (or reset) a received interface of a mbuf.
They are counterpart of m_get_rcvif, which will come in another
commit, hide internal of rcvif operation, and reduce the diff of
the upcoming change.

No functional change.
 1.42 09-Feb-2016  ozaki-r Introduce softint-based if_input

This change intends to run the whole network stack in softint context
(or normal LWP), not hardware interrupt context. Note that the work is
still incomplete by this change; to that end, we also have to softint-ify
if_link_state_change (and bpf) which can still run in hardware interrupt.

This change softint-ifies at ifp->if_input that is called from
each device driver (and ieee80211_input) to ensure Layer 2 runs
in softint (e.g., ether_input and bridge_input). To this end,
we provide a framework (called percpuq) that utlizes softint(9)
and percpu ifqueues. With this patch, rxintr of most drivers just
queues received packets and schedules a softint, and the softint
dequeues packets and does rest packet processing.

To minimize changes to each driver, percpuq is allocated in struct
ifnet for now and that is initialized by default (in if_attach).
We probably have to move percpuq to softc of each driver, but it's
future work. At this point, only wm(4) has percpuq in its softc
as a reference implementation.

Additional information including performance numbers can be found
in the thread at tech-kern@ and tech-net@:
http://mail-index.netbsd.org/tech-kern/2016/01/14/msg019997.html

Acknowledgment: riastradh@ greatly helped this work.
Thank you very much!
 1.41 25-Oct-2013  martin branches: 1.41.6;
Eliminate unused variable
 1.40 13-Nov-2010  uebayasi branches: 1.40.8; 1.40.18; 1.40.22;
Don't pull in the whole uvm(9) API to access only PAGE_SIZE and
some other constants. These are provided by sys/param.h now.
 1.39 05-Apr-2010  joerg Push the bpf_ops usage back into bpf.h. Push the common ifp->if_bpf
check into the inline functions as well the fourth argument for
bpf_attach.
 1.38 19-Jan-2010  pooka branches: 1.38.2; 1.38.4;
Redefine bpf linkage through an always present op vector, i.e.
#if NBPFILTER is no longer required in the client. This change
doesn't yet add support for loading bpf as a module, since drivers
can register before bpf is attached. However, callers of bpf can
now be modularized.

Dynamically loadable bpf could probably be done fairly easily with
coordination from the stub driver and the real driver by registering
attachments in the stub before the real driver is loaded and doing
a handoff. ... and I'm not going to ponder the depths of unload
here.

Tested with i386/MONOLITHIC, modified MONOLITHIC without bpf and rump.
 1.37 07-Nov-2008  dyoung *** Summary ***

When a link-layer address changes (e.g., ifconfig ex0 link
02:de:ad:be:ef:02 active), send a gratuitous ARP and/or a Neighbor
Advertisement to update the network-/link-layer address bindings
on our LAN peers.

Refuse a change of ethernet address to the address 00:00:00:00:00:00
or to any multicast/broadcast address. (Thanks matt@.)

Reorder ifnet ioctl operations so that driver ioctls may inherit
the functions of their "class"---ether_ioctl(), fddi_ioctl(), et
cetera---and the class ioctls may inherit from the generic ioctl,
ifioctl_common(), but both driver- and class-ioctls may override
the generic behavior. Make network drivers share more code.

Distinguish a "factory" link-layer address from others for the
purposes of both protecting that address from deletion and computing
EUI64.

Return consistent, appropriate error codes from network drivers.

Improve readability. KNF.

*** Details ***

In if_attach(), always initialize the interface ioctl routine,
ifnet->if_ioctl, if the driver has not already initialized it.
Delete if_ioctl == NULL tests everywhere else, because it cannot
happen.

In the ioctl routines of network interfaces, inherit common ioctl
behaviors by calling either ifioctl_common() or whichever ioctl
routine is appropriate for the class of interface---e.g., ether_ioctl()
for ethernets.

Stop (ab)using SIOCSIFADDR and start to use SIOCINITIFADDR. In
the user->kernel interface, SIOCSIFADDR's argument was an ifreq,
but on the protocol->ifnet interface, SIOCSIFADDR's argument was
an ifaddr. That was confusing, and it would work against me as I
make it possible for a network interface to overload most ioctls.
On the protocol->ifnet interface, replace SIOCSIFADDR with
SIOCINITIFADDR. In ifioctl(), return EPERM if userland tries to
invoke SIOCINITIFADDR.

In ifioctl(), give the interface the first shot at handling most
interface ioctls, and give the protocol the second shot, instead
of the other way around. Finally, let compatibility code (COMPAT_OSOCK)
take a shot.

Pull device initialization out of switch statements under
SIOCINITIFADDR. For example, pull ..._init() out of any switch
statement that looks like this:

switch (...->sa_family) {
case ...:
..._init();
...
break;
...
default:
..._init();
...
break;
}

Rewrite many if-else clauses that handle all permutations of IFF_UP
and IFF_RUNNING to use a switch statement,

switch (x & (IFF_UP|IFF_RUNNING)) {
case 0:
...
break;
case IFF_RUNNING:
...
break;
case IFF_UP:
...
break;
case IFF_UP|IFF_RUNNING:
...
break;
}

unifdef lots of code containing #ifdef FreeBSD, #ifdef NetBSD, and
#ifdef SIOCSIFMTU, especially in fwip(4) and in ndis(4).

In ipw(4), remove an if_set_sadl() call that is out of place.

In nfe(4), reuse the jumbo MTU logic in ether_ioctl().

Let ethernets register a callback for setting h/w state such as
promiscuous mode and the multicast filter in accord with a change
in the if_flags: ether_set_ifflags_cb() registers a callback that
returns ENETRESET if the caller should reset the ethernet by calling
if_init(), 0 on success, != 0 on failure. Pull common code from
ex(4), gem(4), nfe(4), sip(4), tlp(4), vge(4) into ether_ioctl(),
and register if_flags callbacks for those drivers.

Return ENOTTY instead of EINVAL for inappropriate ioctls. In
zyd(4), use ENXIO instead of ENOTTY to indicate that the device is
not any longer attached.

Add to if_set_sadl() a boolean 'factory' argument that indicates
whether a link-layer address was assigned by the factory or some
other source. In a comment, recommend using the factory address
for generating an EUI64, and update in6_get_hw_ifid() to prefer a
factory address to any other link-layer address.

Add a routing message, RTM_LLINFO_UPD, that tells protocols to
update the binding of network-layer addresses to link-layer addresses.
Implement this message in IPv4 and IPv6 by sending a gratuitous
ARP or a neighbor advertisement, respectively. Generate RTM_LLINFO_UPD
messages on a change of an interface's link-layer address.

In ether_ioctl(), do not let SIOCALIFADDR set a link-layer address
that is broadcast/multicast or equal to 00:00:00:00:00:00.

Make ether_ioctl() call ifioctl_common() to handle ioctls that it
does not understand.

In gif(4), initialize if_softc and use it, instead of assuming that
the gif_softc and ifp overlap.

Let ifioctl_common() handle SIOCGIFADDR.

Sprinkle rtcache_invariants(), which checks on DIAGNOSTIC kernels
that certain invariants on a struct route are satisfied.

In agr(4), rewrite agr_ioctl_filter() to be a bit more explicit
about the ioctls that we do not allow on an agr(4) member interface.

bzero -> memset. Delete unnecessary casts to void *. Use
sockaddr_in_init() and sockaddr_in6_init(). Compare pointers with
NULL instead of "testing truth". Replace some instances of (type
*)0 with NULL. Change some K&R prototypes to ANSI C, and join
lines.
 1.36 09-Jul-2008  joerg branches: 1.36.2;
- device/softc split
 1.35 06-Apr-2008  cegger branches: 1.35.4; 1.35.6; 1.35.8; 1.35.10;
use aprint_*_dev and device_xname
 1.34 11-Mar-2008  matt Rototill the vax code. Switch to devicet/PRIV_ALLOC. Cleanup vax autoconf
code. Move to prototype definitions. staticfy, constify, avoid casting.
Use device_* accessors.
 1.33 19-Oct-2007  ad branches: 1.33.12; 1.33.16;
machine/{bus,cpu,intr}.h -> sys/{bus,cpu,intr}.h
 1.32 06-Sep-2007  he branches: 1.32.4;
Remove a now-unused local variable.
 1.31 01-Sep-2007  dyoung Change a bazillion occurrences of code resembling this,

error = (cmd == SIOCADDMULTI) ?
ether_addmulti(ifr, &sc->sc_ec) :
ether_delmulti(ifr, &sc->sc_ec);

if (error == ENETRESET) {

to this,

if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) {

which does the same thing.

(A bazillion is a very large number. This seems to make the i386
ALL kernel smaller by 3kB to 4kB.)

Use ifreq_getaddr() twice in es(4).

Whitespace nits.
 1.30 08-Mar-2007  he branches: 1.30.2; 1.30.10; 1.30.14; 1.30.16;
Cast to char* before doing pointer arithmetic.
 1.29 04-Mar-2007  christos Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.28 16-Feb-2007  ad branches: 1.28.2;
More vax changes.
 1.27 11-Dec-2005  christos merge ktrace-lwp.
 1.26 27-Jun-2005  ragge branches: 1.26.2;
Fixes due to cast-qual addition.
 1.25 27-Feb-2005  perry nuke trailing whitespace
 1.24 04-Feb-2005  perry de-__P
 1.23 30-Oct-2004  thorpej branches: 1.23.4; 1.23.6;
When adding/deleting multicast addresses, only whack the address
filter if the interface is marked RUNNING.

Fixes kern/27678.
 1.22 06-Nov-2003  he branches: 1.22.4;
Work around gcc 2.95.3's inability to detect that "ret" is initialized.
Will be documented in doc/HACKS, and should be looked at again when
gcc 3.3.2 for vax is ready.
 1.21 01-Apr-2003  thorpej branches: 1.21.2;
Use PAGE_SIZE rather than NBPG.
XXX Except in one place which will require more work.
 1.20 15-Jan-2003  bouyer ragge said this chip should autopad, so just remove the check for len.
 1.19 15-Jan-2003  bouyer Use a properly zeroed buffer to pad the packet to ETHER_MIN_LEN
XXX should it be ETHER_MIN_LEN - ETHER_CRC_LEN ?
 1.18 02-Oct-2002  thorpej Add trailing ; to CFATTACH_DECL.
 1.17 30-Sep-2002  thorpej Use CFATTACH_DECL().
 1.16 27-Sep-2002  thorpej Declare all cfattach structures const.
 1.15 22-May-2002  wiz bcmp -> memcmp.
 1.14 13-Nov-2001  lukem branches: 1.14.8; 1.14.10;
add RCSID
 1.13 18-Jul-2001  thorpej bcopy -> memcpy
 1.12 18-Jul-2001  thorpej bzero -> memset
 1.11 03-Jun-2001  ragge branches: 1.11.2;
Need to get the kernel lock when entering by interrupts.
 1.10 27-May-2001  ragge Remove ethernet CRC on received packets.
 1.9 12-Apr-2001  thorpej splimp -> splvm.

This, like all other uses of spl*() in VAX code, needs to be
scrutinized.
 1.8 14-Dec-2000  thorpej branches: 1.8.2;
ALTQ'ify.
 1.7 15-Nov-2000  thorpej branches: 1.7.2;
Move bpfattach()/bpfdetach() calls into ether_ifattach()/ether_ifdetach().
 1.6 01-Oct-2000  thorpej Move the check for "promisc + unicast + not for us" into ether_input(),
and change Ethernet drivers to always pass all received frames to
ether_input() (with a few exceptions, which are documented in the
code).
 1.5 05-Jun-2000  matt Adjust to new evcnt stuff.
 1.4 04-Jun-2000  matt More event counter stuff. Plus a little cruft cleanup while doing it.
 1.3 04-Jun-2000  matt Start counting interrupts.
 1.2 16-Apr-2000  ragge branches: 1.2.2;
Reset the device before starting the init sequence.
Add shutdown hook.
 1.1 09-Apr-2000  ragge Device driver for the DEC DEBNA/DEBNT/DEBNK ethernet device.

This is for sure the most overkill hardware I've ever seen! For example,
it needs the VAX page tables so that it can access all data structures
and mbufs in virtual memory! It will be a real challenge to make this
device work on mips and Alpha systems :-)
 1.2.2.1 22-Jun-2000  minoura Sync w/ netbsd-1-5-base.
 1.7.2.5 21-Apr-2001  bouyer Sync with HEAD
 1.7.2.4 05-Jan-2001  bouyer Sync with HEAD
 1.7.2.3 22-Nov-2000  bouyer Sync with HEAD.
 1.7.2.2 20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.
 1.7.2.1 15-Nov-2000  bouyer file if_ni.c was added on branch thorpej_scsipi on 2000-11-20 11:39:51 +0000
 1.8.2.6 17-Jan-2003  thorpej Sync with HEAD.
 1.8.2.5 18-Oct-2002  nathanw Catch up to -current.
 1.8.2.4 20-Jun-2002  nathanw Catch up to -current.
 1.8.2.3 14-Nov-2001  nathanw Catch up to -current.
 1.8.2.2 24-Aug-2001  nathanw Catch up with -current.
 1.8.2.1 21-Jun-2001  nathanw Catch up to -current.
 1.11.2.4 10-Oct-2002  jdolecek sync kqueue with -current; this includes merge of gehenna-devsw branch,
merge of i386 MP branch, and part of autoconf rototil work
 1.11.2.3 23-Jun-2002  jdolecek catch up with -current on kqueue branch
 1.11.2.2 10-Jan-2002  thorpej Sync kqueue branch with -current.
 1.11.2.1 03-Aug-2001  lukem update to -current
 1.14.10.1 27-Jan-2003  jmc Pullup revisions 1.18-1.20 (requested by bouyer in ticket #1098)
This chip should autopad, so just remove the check for len.
 1.14.8.1 30-May-2002  gehenna Catch up with -current.
 1.21.2.7 10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.21.2.6 04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.21.2.5 04-Feb-2005  skrll Sync with HEAD.
 1.21.2.4 02-Nov-2004  skrll Sync with HEAD.
 1.21.2.3 21-Sep-2004  skrll Fix the sync with head I botched.
 1.21.2.2 18-Sep-2004  skrll Sync with HEAD.
 1.21.2.1 03-Aug-2004  skrll Sync with HEAD
 1.22.4.1 24-Jan-2005  he Pull up revision 1.23 (requested by thorpej in ticket #939):
When adding or deleting multicast addresses, only change
the address filter if the interface is marked RUNNING.
Fixes PR#27678.
 1.23.6.2 19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.23.6.1 12-Feb-2005  yamt sync with head.
 1.23.4.1 29-Apr-2005  kent sync with -current
 1.26.2.4 17-Mar-2008  yamt sync with head.
 1.26.2.3 27-Oct-2007  yamt sync with head.
 1.26.2.2 03-Sep-2007  yamt sync with head.
 1.26.2.1 26-Feb-2007  yamt sync with head.
 1.28.2.1 12-Mar-2007  rmind Sync with HEAD.
 1.30.16.2 23-Mar-2008  matt sync with HEAD
 1.30.16.1 06-Nov-2007  matt sync with HEAD
 1.30.14.3 26-Oct-2007  joerg Sync with HEAD.

Follow the merge of pmap.c on i386 and amd64 and move
pmap_init_tmp_pgtbl into arch/x86/x86/pmap.c. Modify the ACPI wakeup
code to restore CR4 before jumping back into kernel space as the large
page option might cover that.
 1.30.14.2 02-Oct-2007  joerg Sync with HEAD.
 1.30.14.1 03-Sep-2007  jmcneill Sync with HEAD.
 1.30.10.2 10-Sep-2007  skrll Sync with HEAD.
 1.30.10.1 03-Sep-2007  skrll Sync with HEAD.
 1.30.2.2 23-Oct-2007  ad Sync with head.
 1.30.2.1 09-Oct-2007  ad Sync with head.
 1.32.4.1 25-Oct-2007  bouyer Sync with HEAD.
 1.33.16.4 17-Jan-2009  mjf Sync with HEAD.
 1.33.16.3 28-Sep-2008  mjf Sync with HEAD.
 1.33.16.2 02-Jun-2008  mjf Sync with HEAD.
 1.33.16.1 03-Apr-2008  mjf Sync with HEAD.
 1.33.12.1 24-Mar-2008  keiichi sync with head.
 1.35.10.2 13-Dec-2008  haad Update haad-dm branch to haad-dm-base2.
 1.35.10.1 19-Oct-2008  haad Sync with HEAD.
 1.35.8.1 18-Jul-2008  simonb Sync with head.
 1.35.6.1 18-Sep-2008  wrstuden Sync with wrstuden-revivesa-base-2.
 1.35.4.3 11-Aug-2010  yamt sync with head.
 1.35.4.2 11-Mar-2010  yamt sync with head
 1.35.4.1 04-May-2009  yamt sync with head.
 1.36.2.1 19-Jan-2009  skrll Sync with HEAD.
 1.38.4.2 05-Mar-2011  rmind sync with head
 1.38.4.1 30-May-2010  rmind sync with head
 1.38.2.1 30-Apr-2010  uebayasi Sync with HEAD.
 1.40.22.1 18-May-2014  rmind sync with head
 1.40.18.2 03-Dec-2017  jdolecek update from HEAD
 1.40.18.1 20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.40.8.1 22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
 1.41.6.3 05-Feb-2017  skrll Sync with HEAD
 1.41.6.2 09-Jul-2016  skrll Sync with HEAD
 1.41.6.1 19-Mar-2016  skrll Sync with HEAD
 1.43.2.1 07-Jan-2017  pgoyette Sync with HEAD. (Note that most of these changes are simply $NetBSD$
tag issues.)
 1.44.14.2 28-Jul-2018  pgoyette Sync with HEAD
 1.44.14.1 25-Jun-2018  pgoyette Sync with HEAD
 1.44.8.1 26-Jul-2018  snj Pull up following revision(s) (requested by msaitoh in ticket #938):
sys/arch/acorn32/podulebus/if_ie.c: revision 1.41
sys/arch/amiga/dev/if_es.c: revision 1.58
sys/arch/amiga/dev/if_qn.c: revision 1.45
sys/arch/arm/at91/at91emac.c: revision 1.20
sys/arch/arm/ep93xx/epe.c: revision 1.37
sys/arch/emips/ebus/if_le_ebus.c: revision 1.14
sys/arch/emips/ebus/if_le_ebus.c: revision 1.15
sys/arch/mac68k/dev/if_mc.c: revision 1.46
sys/arch/macppc/dev/am79c950.c: revision 1.39
sys/arch/newsmips/apbus/if_sn.c: revision 1.40
sys/arch/next68k/dev/mb8795.c: revision 1.59
sys/arch/playstation2/dev/if_smap.c: revision 1.25
sys/arch/playstation2/dev/if_smap.c: revision 1.26
sys/arch/sun2/dev/if_ec.c: revision 1.28
sys/arch/sun3/dev/if_ie.c: revision 1.63
sys/arch/x68k/dev/if_ne_intio.c: revision 1.19
sys/arch/xen/xen/if_xennet_xenbus.c: revision 1.75
sys/arch/xen/xen/xennetback_xenbus.c: revision 1.63
sys/dev/bi/if_ni.c: revision 1.45
sys/dev/cadence/if_cemac.c: revision 1.12
sys/dev/ic/am7990.c: revision 1.78
sys/dev/ic/am79900.c: revision 1.27
sys/dev/ic/an.c: revision 1.67
sys/dev/ic/cs89x0.c: revision 1.40
sys/dev/ic/dm9000.c: revision 1.13
sys/dev/ic/dm9000.c: revision 1.14
sys/dev/ic/dp8390.c: revision 1.88
sys/dev/ic/elink3.c: revision 1.141
sys/dev/ic/elinkxl.c: revision 1.122
sys/dev/ic/hme.c: revision 1.98
sys/dev/ic/i82586.c: revision 1.77
sys/dev/ic/lance.c: revision 1.53
sys/dev/ic/mb86950.c: revision 1.27
sys/dev/ic/mb86960.c: revision 1.86
sys/dev/ic/mtd803.c: revision 1.34
sys/dev/ic/pdq_ifsubr.c: revision 1.59
sys/dev/ic/rrunner.c: revision 1.86
sys/dev/ic/seeq8005.c: revision 1.58
sys/dev/ic/sgec.c: revision 1.47
sys/dev/ic/smc90cx6.c: revision 1.72
sys/dev/ic/smc91cxx.c: revision 1.96
sys/dev/ic/tropic.c: revision 1.49
sys/dev/ic/wi.c: revision 1.245
sys/dev/isa/if_eg.c: revision 1.93
sys/dev/isa/if_el.c: revision 1.95
sys/dev/isa/if_iy.c: revision 1.101
sys/dev/ofw/ofnet.c: revision 1.58
sys/dev/pci/if_alc.c: revision 1.27
sys/dev/pci/if_de.c: revision 1.152
sys/dev/pci/if_fpa.c: revision 1.61
sys/dev/pci/if_jme.c: revision 1.34
sys/dev/pci/if_tl.c: revision 1.108
sys/dev/pci/if_vte.c: revision 1.19
sys/dev/pci/ixgbe/ixgbe.h: revision 1.50
sys/dev/pcmcia/if_cnw.c: revision 1.62
sys/dev/pcmcia/if_malo_pcmcia.c: revision 1.17
sys/dev/pcmcia/if_ray.c: revision 1.89
sys/dev/pcmcia/if_xi.c: revision 1.81
sys/dev/pcmcia/mhzc.c: revision 1.51
sys/dev/pcmcia/xirc.c: revision 1.34
sys/dev/qbus/if_de.c: revision 1.33
sys/dev/qbus/if_qe.c: revision 1.78
sys/dev/qbus/if_qt.c: revision 1.22
sys/dev/sbus/be.c: revision 1.87
sys/dev/sbus/qe.c: revision 1.68
sys/dev/scsipi/if_se.c: revision 1.96
sys/dev/usb/if_atu.c: revision 1.59
sys/net/if_l2tp.c: revision 1.28 via patch
sys/net/if_ppp.c: revision 1.160
It's not required to include net/bpfdesc.h. Remove it.
--
Simplify like other drivers. NULL check of ifp->if_bpf is done in
bpf_mtap(), so it's not required to do it here.
--
Remove duplicated inclusion of net/bpf.h.
--
Remove duplicated inclusion of net/bpf.h.
--
Simplify bpf_mtap() call. No functional change.
 1.46.2.1 10-Jun-2019  christos Sync with HEAD
 1.6 11-Dec-2005  christos merge ktrace-lwp.
 1.5 27-Feb-2005  perry nuke trailing whitespace
 1.4 07-Aug-2003  agc branches: 1.4.8; 1.4.10;
Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.
 1.3 20-Aug-2001  wiz branches: 1.3.20;
"wierd" is weird.
 1.2 16-Apr-2000  ragge branches: 1.2.6; 1.2.8; 1.2.10;
Reset the device before starting the init sequence.
Add shutdown hook.
 1.1 09-Apr-2000  ragge Device driver for the DEC DEBNA/DEBNT/DEBNK ethernet device.

This is for sure the most overkill hardware I've ever seen! For example,
it needs the VAX page tables so that it can access all data structures
and mbufs in virtual memory! It will be a real challenge to make this
device work on mips and Alpha systems :-)
 1.2.10.1 25-Aug-2001  thorpej Merge Aug 24 -current into the kqueue branch.
 1.2.8.1 24-Aug-2001  nathanw Catch up with -current.
 1.2.6.2 20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.
 1.2.6.1 16-Apr-2000  bouyer file if_nireg.h was added on branch thorpej_scsipi on 2000-11-20 11:39:52 +0000
 1.3.20.4 04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.3.20.3 21-Sep-2004  skrll Fix the sync with head I botched.
 1.3.20.2 18-Sep-2004  skrll Sync with HEAD.
 1.3.20.1 03-Aug-2004  skrll Sync with HEAD
 1.4.10.1 19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.4.8.1 29-Apr-2005  kent sync with -current
 1.49 07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.48 24-Apr-2021  thorpej branches: 1.48.8;
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?).
 1.47 16-Jan-2010  dyoung branches: 1.47.80;
Delete some dead (#ifdef notyet) code.
 1.46 23-Nov-2009  rmind Remove some unecessary includes sys/user.h header.
 1.45 12-May-2009  cegger KNF
 1.44 09-Jul-2008  joerg branches: 1.44.8;
Fix device/softc split.
 1.43 12-Jun-2008  cegger branches: 1.43.2;
use device_lookup_private to get softc
 1.42 11-Mar-2008  matt branches: 1.42.2; 1.42.4; 1.42.6; 1.42.8;
Rototill the vax code. Switch to devicet/PRIV_ALLOC. Cleanup vax autoconf
code. Move to prototype definitions. staticfy, constify, avoid casting.
Use device_* accessors.
 1.41 19-Oct-2007  ad branches: 1.41.12; 1.41.16;
machine/{bus,cpu,intr}.h -> sys/{bus,cpu,intr}.h
 1.40 04-Mar-2007  christos branches: 1.40.2; 1.40.14; 1.40.16; 1.40.20;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.39 16-Feb-2007  ad branches: 1.39.2;
More vax changes.
 1.38 11-Dec-2005  christos merge ktrace-lwp.
 1.37 27-Feb-2005  perry branches: 1.37.4;
nuke trailing whitespace
 1.36 04-Feb-2005  perry de-__P
 1.35 31-Oct-2004  he branches: 1.35.4; 1.35.6;
Include the <sys/bufq.h> header to allow these to compile again.
 1.34 04-Nov-2003  he Make this compile, at least.
 1.33 04-Nov-2003  christos Try to make this work. Havard will test it.
 1.32 01-Apr-2003  thorpej branches: 1.32.2;
Use PAGE_SIZE rather than NBPG.
 1.31 19-Jan-2003  thorpej Merge the nathanw_sa branch.
 1.30 01-Jan-2003  thorpej Use aprint_normal() in cfprint routines.
 1.29 02-Oct-2002  thorpej Add trailing ; to CFATTACH_DECL.
 1.28 30-Sep-2002  thorpej Use CFATTACH_DECL().
 1.27 27-Sep-2002  thorpej Declare all cfattach structures const.
 1.26 13-Nov-2001  lukem add RCSID
 1.25 18-Jul-2001  thorpej bzero -> memset
 1.24 04-Jun-2001  ragge branches: 1.24.2;
Lock the kernel lock at interrupt enter.
 1.23 28-Jun-2000  mrg branches: 1.23.2;
remove include of <vm/vm.h>
 1.22 26-Jun-2000  mrg 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.
 1.21 05-Jun-2000  matt Adjust to new evcnt stuff.
 1.20 04-Jun-2000  matt More event counter stuff. Plus a little cruft cleanup while doing it.
 1.19 04-Jun-2000  matt Start counting interrupts.
 1.18 19-May-2000  thorpej branches: 1.18.2;
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.
 1.17 26-Mar-2000  ragge Bus_dma'ify the KDB50 driver, and make it work.
 1.16 12-Jul-1999  ragge branches: 1.16.2;
Copied from ../../arch/vax/bi/kdb.c,v
 1.15 24-Mar-1999  mrg completely remove Mach VM support. all that is left is the all the
header files as UVM still uses (most of) these.
 1.14 01-Jan-1999  ragge 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.
 1.13 29-Nov-1998  ragge the btoc/ctob/btop macros must use CLBYTES, not NBPG. How this should
work in the long run is an open issue; some parts must be reworked
in a MI way.
 1.12 02-Mar-1998  ragge Support for UVM on VAXen.
 1.11 24-Jan-1998  ragge Remove __BROKEN_INDIRECT_CONFIG and change all drivers to use
config_search instead.
 1.10 18-Jan-1998  ragge Make kernel compile & run again after latest config changes.
 1.9 12-Jan-1998  thorpej Update for changes to config.
 1.8 03-Jan-1998  thorpej Grab the PCB directly from the u-area, not by indirecting through VM
structures.
 1.7 17-Jul-1997  jtk use locator defines in "locators.h" to index cf_loc[]
 1.6 06-Jul-1997  ragge Remove __VM_PMAP_HACK.
 1.5 11-Jan-1997  ragge Update due to changes to uba/mscp functions.
 1.4 13-Oct-1996  christos backout previous kprintf change
 1.3 11-Oct-1996  christos printf -> kprintf, sprintf -> ksprintf
 1.2 27-Aug-1996  cgd 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).
 1.1 19-Jul-1996  ragge Support for the VAXBI bus, and KDB50 device driver (MSCP disk).
Parts of this written by Chris Torek at the beginning of time.
 1.16.2.1 20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.
 1.18.2.1 22-Jun-2000  minoura Sync w/ netbsd-1-5-base.
 1.23.2.6 03-Jan-2003  thorpej Sync with HEAD.
 1.23.2.5 18-Oct-2002  nathanw Catch up to -current.
 1.23.2.4 28-Mar-2002  ragge Extract user pte's in another way.
 1.23.2.3 14-Nov-2001  nathanw Catch up to -current.
 1.23.2.2 24-Aug-2001  nathanw Catch up with -current.
 1.23.2.1 21-Jun-2001  nathanw Catch up to -current.
 1.24.2.3 10-Oct-2002  jdolecek sync kqueue with -current; this includes merge of gehenna-devsw branch,
merge of i386 MP branch, and part of autoconf rototil work
 1.24.2.2 10-Jan-2002  thorpej Sync kqueue branch with -current.
 1.24.2.1 03-Aug-2001  lukem update to -current
 1.32.2.6 04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.32.2.5 04-Feb-2005  skrll Sync with HEAD.
 1.32.2.4 02-Nov-2004  skrll Sync with HEAD.
 1.32.2.3 21-Sep-2004  skrll Fix the sync with head I botched.
 1.32.2.2 18-Sep-2004  skrll Sync with HEAD.
 1.32.2.1 03-Aug-2004  skrll Sync with HEAD
 1.35.6.2 19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.35.6.1 12-Feb-2005  yamt sync with head.
 1.35.4.1 29-Apr-2005  kent sync with -current
 1.37.4.4 17-Mar-2008  yamt sync with head.
 1.37.4.3 27-Oct-2007  yamt sync with head.
 1.37.4.2 03-Sep-2007  yamt sync with head.
 1.37.4.1 26-Feb-2007  yamt sync with head.
 1.39.2.1 12-Mar-2007  rmind Sync with HEAD.
 1.40.20.1 25-Oct-2007  bouyer Sync with HEAD.
 1.40.16.2 23-Mar-2008  matt sync with HEAD
 1.40.16.1 06-Nov-2007  matt sync with HEAD
 1.40.14.1 26-Oct-2007  joerg Sync with HEAD.

Follow the merge of pmap.c on i386 and amd64 and move
pmap_init_tmp_pgtbl into arch/x86/x86/pmap.c. Modify the ACPI wakeup
code to restore CR4 before jumping back into kernel space as the large
page option might cover that.
 1.40.2.1 23-Oct-2007  ad Sync with head.
 1.41.16.3 28-Sep-2008  mjf Sync with HEAD.
 1.41.16.2 29-Jun-2008  mjf Sync with HEAD.
 1.41.16.1 03-Apr-2008  mjf Sync with HEAD.
 1.41.12.1 24-Mar-2008  keiichi sync with head.
 1.42.8.2 18-Jul-2008  simonb Sync with head.
 1.42.8.1 18-Jun-2008  simonb Sync with head.
 1.42.6.2 18-Sep-2008  wrstuden Sync with wrstuden-revivesa-base-2.
 1.42.6.1 23-Jun-2008  wrstuden Sync w/ -current. 34 merge conflicts to follow.
 1.42.4.3 11-Mar-2010  yamt sync with head
 1.42.4.2 16-May-2009  yamt sync with head
 1.42.4.1 04-May-2009  yamt sync with head.
 1.42.2.1 17-Jun-2008  yamt sync with head.
 1.43.2.1 19-Oct-2008  haad Sync with HEAD.
 1.44.8.1 13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.47.80.1 21-Mar-2021  thorpej Give config_found() the same variadic arguments treatment as
config_search(). This commit only adds the CFARG_EOL sentinel
to the existing config_found() calls. Conversion of config_found_sm_loc()
and config_found_ia() call sites will be in subsequent commits.
 1.48.8.1 04-Aug-2021  thorpej Adapt to CFARGS().
 1.6 24-Jul-2021  andvar Fix all remaining typos, mainly in comments but also in few definitions and log messages, reported by me in PR kern/54889.
Also fixed some additional typos in comments, found on review of same files or typos.
 1.5 11-Dec-2005  christos branches: 1.5.182;
merge ktrace-lwp.
 1.4 07-Aug-2003  agc Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.
 1.3 03-Nov-1999  ragge branches: 1.3.28;
Don't use structs for BI space definitions, use offsets.
 1.2 12-Jul-1999  ragge branches: 1.2.2; 1.2.4; 1.2.8;
Copied from ../../arch/vax/bi/kdbreg.h,v
 1.1 19-Jul-1996  ragge Support for the VAXBI bus, and KDB50 device driver (MSCP disk).
Parts of this written by Chris Torek at the beginning of time.
 1.2.8.1 27-Dec-1999  wrstuden Pull up to last week's -current.
 1.2.4.1 15-Nov-1999  fvdl Sync with -current
 1.2.2.1 20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.
 1.3.28.3 21-Sep-2004  skrll Fix the sync with head I botched.
 1.3.28.2 18-Sep-2004  skrll Sync with HEAD.
 1.3.28.1 03-Aug-2004  skrll Sync with HEAD
 1.5.182.1 01-Aug-2021  thorpej Sync with HEAD.
 1.16 04-Feb-2024  andvar fix tripple/quadruple "r" letter typos in comments and log messages.
 1.15 23-Nov-2009  rmind Remove some unecessary includes sys/user.h header.
 1.14 14-Mar-2009  dsl Change about 4500 of the K&R function definitions to ANSI ones.
There are still about 1600 left, but they have ',' or /* ... */
in the actual variable definitions - which my awk script doesn't handle.
There are also many that need () -> (void).
(The script does handle misordered arguments.)
 1.13 06-Apr-2008  cegger branches: 1.13.4; 1.13.12; 1.13.18;
use aprint_*_dev and device_xname
 1.12 11-Mar-2008  matt Rototill the vax code. Switch to devicet/PRIV_ALLOC. Cleanup vax autoconf
code. Move to prototype definitions. staticfy, constify, avoid casting.
Use device_* accessors.
 1.11 11-Dec-2005  christos branches: 1.11.46; 1.11.66; 1.11.70;
merge ktrace-lwp.
 1.10 27-Feb-2005  perry branches: 1.10.4;
nuke trailing whitespace
 1.9 04-Feb-2005  perry de-__P
 1.8 02-Oct-2002  thorpej branches: 1.8.6; 1.8.14; 1.8.16;
Add trailing ; to CFATTACH_DECL.
 1.7 30-Sep-2002  thorpej Use CFATTACH_DECL().
 1.6 27-Sep-2002  thorpej Declare all cfattach structures const.
 1.5 13-Nov-2001  lukem add RCSID
 1.4 12-Jul-1999  ragge branches: 1.4.14; 1.4.16;
Copied from ../../arch/vax/bi/uba_bi.c,v
 1.3 19-Jan-1999  ragge Allocate (almost) all interrupt vectors dynamically. Simplifies much
work when adding support for new machines and devices.
 1.2 01-Jan-1999  ragge 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.
 1.1 18-Oct-1998  ragge Support for DWBUA (BI to Unibus adapter) and KLESI-B (TMSCP tape ctlr) added.
 1.4.16.2 10-Oct-2002  jdolecek sync kqueue with -current; this includes merge of gehenna-devsw branch,
merge of i386 MP branch, and part of autoconf rototil work
 1.4.16.1 10-Jan-2002  thorpej Sync kqueue branch with -current.
 1.4.14.2 18-Oct-2002  nathanw Catch up to -current.
 1.4.14.1 14-Nov-2001  nathanw Catch up to -current.
 1.8.16.2 19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.8.16.1 12-Feb-2005  yamt sync with head.
 1.8.14.1 29-Apr-2005  kent sync with -current
 1.8.6.2 04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.8.6.1 04-Feb-2005  skrll Sync with HEAD.
 1.10.4.1 17-Mar-2008  yamt sync with head.
 1.11.70.2 02-Jun-2008  mjf Sync with HEAD.
 1.11.70.1 03-Apr-2008  mjf Sync with HEAD.
 1.11.66.1 24-Mar-2008  keiichi sync with head.
 1.11.46.1 23-Mar-2008  matt sync with HEAD
 1.13.18.1 13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.13.12.1 28-Apr-2009  skrll Sync with HEAD.
 1.13.4.2 11-Mar-2010  yamt sync with head
 1.13.4.1 04-May-2009  yamt sync with head.

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