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History log of /src/sys/arch/atari/dev/fd.c
RevisionDateAuthorComments
 1.99  20-Jul-2024  andvar fix typos in comments, mainly s/harware/hardware/.
 1.98  20-Dec-2023  thorpej branches: 1.98.2;
Remove unnecessary <sys/malloc.h> include.
 1.97  30-Aug-2023  andvar atari/fdc(4): fix printf format specifiers for FLP_DEBUG build.
 1.96  24-Jun-2023  msaitoh Fix typo in comment.
 1.95  06-Jan-2023  tsutsui TAB/spaces/indents cleanup.
 1.94  26-Jun-2022  tsutsui Use aprint_*(9) for device attach messages.
 1.93  26-Jun-2022  tsutsui Make local devsw functions static.

No visible regression on TT030.
 1.92  15-May-2022  andvar s/wich/which in comments.
 1.91  03-May-2022  andvar fix various typos, mainly s/trasfering/transferring/ and s/theese/these/.
 1.90  11-Apr-2022  andvar s/simular/similar/
 1.89  07-Aug-2021  thorpej Merge thorpej-cfargs2.
 1.88  24-Apr-2021  thorpej branches: 1.88.8;
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?).
 1.87  03-Sep-2018  riastradh branches: 1.87.14;
Rename min/max -> uimin/uimax for better honesty.

These functions are defined on unsigned int. The generic name
min/max should not silently truncate to 32 bits on 64-bit systems.
This is purely a name change -- no functional change intended.

HOWEVER! Some subsystems have

#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a, b) ((a) > (b) ? (a) : (b))

even though our standard name for that is MIN/MAX. Although these
may invite multiple evaluation bugs, these do _not_ cause integer
truncation.

To avoid `fixing' these cases, I first changed the name in libkern,
and then compile-tested every file where min/max occurred in order to
confirm that it failed -- and thus confirm that nothing shadowed
min/max -- before changing it.

I have left a handful of bootloaders that are too annoying to
compile-test, and some dead code:

cobalt ews4800mips hp300 hppa ia64 luna68k vax
acorn32/if_ie.c (not included in any kernels)
macppc/if_gm.c (superseded by gem(4))

It should be easy to fix the fallout once identified -- this way of
doing things fails safe, and the goal here, after all, is to _avoid_
silent integer truncations, not introduce them.

Maybe one day we can reintroduce min/max as type-generic things that
never silently truncate. But we should avoid doing that for a while,
so that existing code has a chance to be detected by the compiler for
conversion to uimin/uimax without changing the semantics until we can
properly audit it all. (Who knows, maybe in some cases integer
truncation is actually intended!)
 1.86  08-Feb-2018  dholland branches: 1.86.2; 1.86.4;
Typos.
 1.85  07-Oct-2017  jdolecek Merge support for SATA NCQ (Native Command Queueing) from jdolecek-ncq branch

ATA subsystem was changed to support several outstanding commands, and use
NCQ xfers if supported by both the controller and the disk, including NCQ
error recovery. Set NCQ high priority for BPRIO_TIMECRITICAL xfers
if supported. Added FUA support.

Done some work towards MP-safe, all ATA code tsleep()/wakeup() replaced
by condvars, and switched most code from spl* to mutexes (separate
wd(4) and ata channel lock).

Introduced new option WD_CHAOS_MONKEY to facilitate testing of error
handling, fixed several uncovered issues. Also fixed several problems
with kernel dump to wd(4) disk.

Tested with ahcisata(4), mvsata(4), siisata(4), piixide(4) on amd64,
with and without port multiplier, both disk and ATAPI devices; other
drivers and archs mechanically adjusted and compile-tested. NCQ is
supported for ahcisata(4) and siisata(4) for any controller, for
mvsata(4) only Gen IIe ones for now. Also enabled ATAPI support in
mvsata(4).

Thanks to Matt Thomas for initial ATA infrastructure patch, and
Jonathan A.Kollasch for siisata(4) NCQ changes and general testing.

Also fixes PR kern/43169 (wd(4)); and PR kern/11811, PR kern/47041,
PR kern/51979 (kernel dump)
 1.84  26-Apr-2015  mlelstv branches: 1.84.6;
Use C99-style initializers for struct dkdriver.
 1.83  02-Jan-2015  christos We have three sets of DTYPE_ constants in the kernel:
altq Drop Type
disklabel Disk Type
file Descriptor Type
(not to mention constants that contain the string DTYPE).
Let's make them two, by changing the disklabel one to be DisK TYPE since the
other disklabel constants seem to do that. Not many userland programs use
these constants (and the ones that they do are mostly in ifdefs). They will
be fixed shortly.
 1.82  01-Jan-2015  christos declare error
 1.81  31-Dec-2014  christos 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.
 1.80  18-Oct-2014  snj branches: 1.80.2;
src is too big these days to tolerate superfluous apostrophes. It's
"its", people!
 1.79  25-Jul-2014  dholland Add d_discard to all struct cdevsw instances I could find.

All have been set to "nodiscard"; some should get a real implementation.
 1.78  25-Jul-2014  dholland 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.
 1.77  16-Mar-2014  dholland branches: 1.77.2;
Change (mostly mechanically) every cdevsw/bdevsw I can find to use
designated initializers.

I have not built every extant kernel so I have probably broken at
least one build; however I've also found and fixed some wrong
cdevsw/bdevsw entries so even if so I think we come out ahead.
 1.76  13-Apr-2010  tsutsui branches: 1.76.8; 1.76.18; 1.76.22;
Misc KNF.
 1.75  07-Apr-2010  tsutsui Misc KNF.
 1.74  07-Apr-2010  tsutsui - split device_t/softc
- use device_lookup_private() directly rather than via local macro
 1.73  07-Apr-2010  tsutsui extern inline -> static inline
 1.72  20-Oct-2009  snj branches: 1.72.2; 1.72.4;
Remove 3rd and 4th clause on Leo Weppelman's license. OK leo@.
 1.71  31-Jul-2009  tsutsui Read AD_CFG_SWITCH via volatile pointer so that
the default density is detected correctly.
 1.70  19-Jul-2009  tsutsui Remove extra whitespace added by a dumb tool which replaced bcopy with memcpy.
 1.69  18-Mar-2009  cegger bcopy -> memcpy
 1.68  18-Mar-2009  cegger bzero -> memset
 1.67  18-Mar-2009  cegger Ansify function definitions w/o arguments. Generated with sed.
 1.66  14-Mar-2009  dsl ANSIfy another 1261 function definitions.
The only ones left in sys are beyond by sed script!
(or in sys/dist or sys/external)
Mostly they have function pointer parameters.
 1.65  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.)
 1.64  14-Mar-2009  dsl Remove all the __P() from sys (excluding sys/dist)
Diff checked with grep and MK1 eyeball.
i386 and amd64 GENERIC and sys still build.
 1.63  13-Jan-2009  yamt branches: 1.63.2;
g/c BUFQ_FOO() macros and use bufq_foo() directly.
 1.62  11-Jun-2008  tsutsui branches: 1.62.4; 1.62.6; 1.62.12;
Use device_private() and device_lookup_privat() to get softc.
 1.61  17-Oct-2007  garbled branches: 1.61.16; 1.61.18; 1.61.20; 1.61.22; 1.61.24;
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.
 1.60  17-Oct-2007  he Fix typo: in disk_init() call: fd -> sc.
 1.59  08-Oct-2007  ad branches: 1.59.2;
Merge disk init changes from the vmlocking branch. These seperate init /
destroy of 'struct disk' from attach / detach.
 1.58  29-Jul-2007  ad branches: 1.58.4; 1.58.6; 1.58.8;
It's not a good idea for device drivers to modify b_flags, as they don't
need to understand the locking around that field. Instead of setting
B_ERROR, set b_error instead. b_error is 'owned' by whoever completes
the I/O request.
 1.57  09-Jul-2007  ad branches: 1.57.2; 1.57.4;
Merge some of the less invasive changes from the vmlocking branch:

- kthread, callout, devsw API changes
- select()/poll() improvements
- miscellaneous MT safety improvements
 1.56  06-Mar-2007  tsutsui branches: 1.56.2; 1.56.4; 1.56.10;
Make io_data (char *) rather than adding an extra cast
since it's used only in this file to calculate buffer address.
 1.55  06-Mar-2007  he More fixes after the caddr_t removal.
Mostly cast to char* for pointer arithmetic,
but also one missing indirection, and one "void *v, x;" fix.
 1.54  04-Mar-2007  christos Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.53  24-Dec-2005  perry branches: 1.53.26;
__asm__ -> __asm
__const__ -> const
__inline__ -> inline
__volatile__ -> volatile
 1.52  11-Dec-2005  christos merge ktrace-lwp.
 1.51  15-Oct-2005  yamt - 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)
 1.50  04-Jun-2005  he branches: 1.50.2;
Adapt to compiling with -Wshadow and -Wcast-qual, by adding const
qualification in places and renaming a few local variables.
Also adds a couple uses of __UNVOLATILE() to allow passing volatile
variables to functions wanting e.g. caddr_t.
 1.49  28-Oct-2004  yamt move buffer queue related stuffs from buf.h to their own header, bufq.h.
 1.48  04-Jan-2004  wiz Spell controller with two ls. Inspired by miod@openbsd.
 1.47  15-Jul-2003  lukem __KERNEL_RCSID()
 1.46  03-May-2003  wiz branches: 1.46.2;
DMA, not dma nor Dma.
 1.45  01-Jan-2003  thorpej Use aprint_normal() for cfprint routines.
 1.44  01-Nov-2002  mrg 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.
 1.43  23-Oct-2002  jdolecek 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
 1.42  02-Oct-2002  thorpej Use CFATTACH_DECL().
 1.41  27-Sep-2002  thorpej Declare all cfattach structures const.
 1.40  27-Sep-2002  provos remove trailing \n in panic(). approved perry.
 1.39  06-Sep-2002  gehenna 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.
 1.38  10-Aug-2002  hannken Convert to new device buffer queue interface.

Approved by: Leo Weppelman <leo@netbsd.org>
 1.37  26-Jul-2001  wiz branches: 1.37.2; 1.37.6; 1.37.14;
issueing -> issuing
 1.36  29-Mar-2000  leo branches: 1.36.8;
Nuke a bunch of cf_unit abuses.
 1.35  23-Mar-2000  thorpej New callout mechanism with two major improvements over the old
timeout()/untimeout() API:
- Clients supply callout handle storage, thus eliminating problems of
resource allocation.
- Insertion and removal of callouts is constant time, important as
this facility is used quite a lot in the kernel.

The old timeout()/untimeout() API has been removed from the kernel.
 1.34  13-Mar-2000  soren Fix doubled 'the's in comments.
 1.33  15-Feb-2000  leo Grabage collect a 'struct buf *' left over from recent disksort changes.
 1.32  07-Feb-2000  thorpej 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.
 1.31  21-Jan-2000  thorpej Update for sys/buf.h/disksort_*() changes.
 1.30  06-Jan-2000  leo Determine the default floppy type on the TT/Falcon by reading the config
switches. (Thanks to Michael Schwingen for the missing bits of information!).
 1.29  06-Aug-1999  leo branches: 1.29.2;
Change the way that bit's are cleared in the InterruptPending register of
the 68901. Do this now by _assigning_ ~<bit_to_clear> instead of the
previously used 'andb ~<bit_to_clear>'. The latter caused a rwm-cycle that
caused a race condition to happen when an interrupt arrived between the
Read and Modify-Write.
Anyway, this solved my hanging keyboard problem.
 1.28  24-Feb-1998  leo branches: 1.28.8;
Declare 'fd_cd'.
 1.27  12-Jan-1998  thorpej Update for changes to config.
 1.26  08-Oct-1997  thorpej Implement DIOCGDEFLABEL.
 1.25  28-Dec-1996  leo branches: 1.25.10;
Oops, this one was missed in the BROKEN_INDIRECT_CONFIG cruisade.
 1.24  06-Nov-1996  leo - Make it's behaviour on minor numbers identical to that of the Hades
floppy driver.
- Fixup format types in the debug-printf's
- Don't print empty lines on unconfigured drives.
- When a drive is detected, show it's default format.

---- Warning: minor numbers are shifted! ---
 1.23  13-Oct-1996  christos backout previous kprintf changes
 1.22  11-Oct-1996  christos printf -> kprintf, sprintf -> ksprintf
 1.21  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).
 1.20  18-Apr-1996  leo Yet more prototyping and -Wall fixes.
 1.19  12-Apr-1996  leo Prototyping.
 1.18  27-Mar-1996  leo Take out direct access to the YM2149. The chip definitions are moved
from video.h to ym2149reg.h.
 1.17  20-Mar-1996  leo Another bit of prototyping...
 1.16  17-Mar-1996  thorpej New device attachment scheme:

- split softc size and match/attach out from cfdriver into
a new struct cfattach.

- new "attach" directive for files.*. May specify the name of
the cfattach structure, so that devices may be easily attached
to parents with different autoconfiguration semantics.
 1.15  22-Feb-1996  leo First bunch of changes due to stricter prototype checking.
 1.14  02-Feb-1996  mycroft Fix #includes.
 1.13  07-Jan-1996  thorpej New generic disk framework. Highlights:

- New metrics handling. Metrics are now kept in the new
`struct disk'. Busy time is now stored as a timeval, and
transfer count in bytes.

- Storage for disklabels is now dynamically allocated, so that
the size of the disk structure is not machine-dependent.

- Several new functions for attaching and detaching disks, and
handling metrics calculation.

Old-style instrumentation is still supported in drivers that did it before.
However, old-style instrumentation is being deprecated, and will go away
once the userland utilities are updated for the new framework.

For usage and architectural details, see the forthcoming disk(9) manual
page.
 1.12  10-Dec-1995  leo Make sure that the motor will be turned off when a floppy is inserted.
 1.11  14-Oct-1995  leo Use general bound-check function.
 1.10  12-Aug-1995  mycroft branches: 1.10.2;
minphys() functions really should return void.
 1.9  24-Jul-1995  cgd fix minphys so that it actually works properly
 1.8  11-Jul-1995  leo - Change character interface as suggested by Charles
- HD floppies really have 2 sides ;-)
- Cleanup drive/density selection
 1.7  14-May-1995  leo Change of function params for Falcon SCSI.
 1.6  05-May-1995  leo Fix bug on handling HD-floppy's.
 1.5  30-Apr-1995  leo Small changes in dma locking code.
 1.4  22-Apr-1995  leo - Remove register access functions from dma.c -> fd.c and inline them
- Add write protect checking (mistereously disapeared during port)
- Make fdclose() return a sensible value
- Prefix 'dma-defines' with DMA_
 1.3  16-Apr-1995  leo Make it consistent with conf.c .
 1.2  10-Apr-1995  mycroft Fdclose --> fdclose
 1.1  26-Mar-1995  leo branches: 1.1.1;
Initial revision
 1.1.1.1  26-Mar-1995  leo NetBSD/Atari, port by Leo Weppelman.
 1.10.2.1  14-Oct-1995  leo Use general bound-check function.
 1.25.10.1  14-Oct-1997  thorpej Update marc-pcmcia branch from trunk.
 1.28.8.1  16-Dec-1999  he Pull up revision 1.29 (requested by leo):
Change the way that bits are cleared in the InterruptPending
register of the 68901, avoiding a read-modify-write cycle.
Solves a "hanging keyboard" problem.
 1.29.2.1  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.
 1.36.8.3  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
 1.36.8.2  06-Sep-2002  jdolecek sync kqueue branch with HEAD
 1.36.8.1  03-Aug-2001  lukem update to -current
 1.37.14.2  30-Aug-2002  gehenna catch up with -current.
 1.37.14.1  17-May-2002  gehenna Add device switch.
 1.37.6.6  03-Jan-2003  thorpej Sync with HEAD.
 1.37.6.5  11-Nov-2002  nathanw Catch up to -current
 1.37.6.4  18-Oct-2002  nathanw Catch up to -current.
 1.37.6.3  17-Sep-2002  nathanw Catch up to -current.
 1.37.6.2  13-Aug-2002  nathanw Catch up to -current.
 1.37.6.1  26-Jul-2001  nathanw file fd.c was added on branch nathanw_sa on 2002-08-13 02:18:01 +0000
 1.37.2.1  10-Oct-2001  fvdl Convert all remaining devices.
 1.46.2.6  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.46.2.5  17-Jan-2005  skrll Adapt to branch.
 1.46.2.4  02-Nov-2004  skrll Sync with HEAD.
 1.46.2.3  21-Sep-2004  skrll Fix the sync with head I botched.
 1.46.2.2  18-Sep-2004  skrll Sync with HEAD.
 1.46.2.1  03-Aug-2004  skrll Sync with HEAD
 1.50.2.3  27-Oct-2007  yamt sync with head.
 1.50.2.2  03-Sep-2007  yamt sync with head.
 1.50.2.1  21-Jun-2006  yamt sync with head.
 1.53.26.1  12-Mar-2007  rmind Sync with HEAD.
 1.56.10.3  17-Oct-2007  garbled Sync with HEAD
 1.56.10.2  16-Oct-2007  garbled Sync with HEAD
 1.56.10.1  03-Oct-2007  garbled Sync with HEAD
 1.56.4.1  11-Jul-2007  mjf Sync with head.
 1.56.2.4  23-Oct-2007  ad Sync with head.
 1.56.2.3  20-Aug-2007  ad - Alter disk attach/detach to fix a panic when closing a vnd device.
- Sync with HEAD.
 1.56.2.2  19-Aug-2007  ad - Back out the biodone() changes.
- Eliminate B_ERROR (from HEAD).
 1.56.2.1  15-Jul-2007  ad Sync with head.
 1.57.4.1  15-Aug-2007  skrll Sync with HEAD.
 1.57.2.1  07-Aug-2007  matt Sync with HEAD.
 1.58.8.2  18-Oct-2007  yamt sync with head.
 1.58.8.1  14-Oct-2007  yamt sync with head.
 1.58.6.1  06-Nov-2007  matt sync with HEAD
 1.58.4.1  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.
 1.59.2.1  25-Oct-2007  bouyer Sync with HEAD.
 1.61.24.1  18-Jun-2008  simonb Sync with head.
 1.61.22.1  23-Jun-2008  wrstuden Sync w/ -current. 34 merge conflicts to follow.
 1.61.20.4  11-Aug-2010  yamt sync with head.
 1.61.20.3  11-Mar-2010  yamt sync with head
 1.61.20.2  19-Aug-2009  yamt sync with head.
 1.61.20.1  04-May-2009  yamt sync with head.
 1.61.18.1  17-Jun-2008  yamt sync with head.
 1.61.16.2  17-Jan-2009  mjf Sync with HEAD.
 1.61.16.1  29-Jun-2008  mjf Sync with HEAD.
 1.62.12.1  21-Apr-2010  matt sync to netbsd-5
 1.62.6.1  04-Oct-2009  snj Pull up following revision(s) (requested by tsutsui in ticket #1058):
sys/arch/atari/dev/fd.c: revision 1.71
Read AD_CFG_SWITCH via volatile pointer so that
the default density is detected correctly.
 1.62.4.2  28-Apr-2009  skrll Sync with HEAD.
 1.62.4.1  19-Jan-2009  skrll Sync with HEAD.
 1.63.2.1  13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.72.4.1  30-May-2010  rmind sync with head
 1.72.2.1  30-Apr-2010  uebayasi Sync with HEAD.
 1.76.22.1  18-May-2014  rmind sync with head
 1.76.18.2  03-Dec-2017  jdolecek update from HEAD
 1.76.18.1  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.76.8.1  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")
 1.77.2.1  10-Aug-2014  tls Rebase.
 1.80.2.2  06-Jun-2015  skrll Sync with HEAD
 1.80.2.1  06-Apr-2015  skrll Sync with HEAD
 1.84.6.1  27-Sep-2017  jdolecek pass ata channel interlock to st_dmagrab() so that it can release
and reacquire it if it sleeps
 1.86.4.1  10-Jun-2019  christos Sync with HEAD
 1.86.2.1  06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.87.14.1  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.
 1.88.8.1  03-Aug-2021  thorpej Adapt to CFARGS().
 1.98.2.1  02-Aug-2025  perseant Sync with HEAD

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