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History log of /src/sys/arch/hp300/dev/rd.c
RevisionDateAuthorComments
 1.126  21-Apr-2023  tsutsui Remove ancient /* ARGSUSED */ lint comments.
 1.125  12-Feb-2023  andvar fix various typos in comments.
 1.124  03-Dec-2022  tsutsui Explicitly include <sys/kernel.h> for hz(9) as man pages says.

XXX: it looks sys/param.h r1.615 and later also has extern int hz
 1.123  03-Dec-2022  tsutsui Add empty DIOCCACHESYNC ioctl(2) for rd(4).

Without this raid(4) always complains on various raidctl(8) ops:
> raid0: cache flush[0] to component 0 failed (22)

RAID1 configured by raid(4) just works HP-IB disks on hp300.
 1.122  01-Dec-2022  tsutsui Misc KNF and cosmetics.
 1.121  30-Nov-2022  tsutsui Remove more duplicated static function declarations.
 1.120  30-Nov-2022  tsutsui Use proper RAW_PART macro rather than a magic number.
 1.119  30-Nov-2022  tsutsui Set disk_geom parameters required by DIOCGPARTINFO in disk_ioctl().

With this change raid(4) no longer complains before mountroot:
> RAIDframe: can't get disk size for dev rd0 (22)

Should be pulled up to netbsd-9.
 1.118  30-Nov-2022  tsutsui Remove a duplicated static function declaration.
 1.117  30-Nov-2022  tsutsui Pass a correct dev_t arg to disk_ioctl().

Probably harmless.
 1.116  30-Nov-2022  tsutsui Check bounds of each partition by MI bounds_check_with_label(9).

The previous implementation was committed in rev 1.26 about 26 years ago
and it looks there is no quirk to use the old MD one.
 1.115  30-Nov-2022  tsutsui Check bounds of RAW_PART by bounds_check_with_mediasize() as other drivers.

With this check, dd(1) without a count value against a raw partition
is terminated properly at the end of media. Tested on 425t and HPDisk.

Should be pulled up to netbsd-9.
 1.114  25-Nov-2022  tsutsui Remove unnecessary declarations.
 1.113  25-Nov-2022  tsutsui Use proper integer types for HP-IB xfer parameters.

No visible regression on 425t and HPDisk.
 1.112  23-Nov-2022  tsutsui Fix "rd(4) at punits not configured on HPDisk are misprobed" problem.

- check not only stat value returned by C_QSTAT command against
each punit but also desc.d_name returned by C_DESC command
because it looks HPDisk responds to commands against punits supported
but not-configured punits at 1-3
- prepare rdreset_unit() function to manage reset punit ops during
probe without valid softc

The stragety is taken from OpenBSD with several modification.
Tested on 425t with real 9122D and HPDisk emulating two 7937H drives.

Should be pulled up to netbsd-9.
 1.111  21-Nov-2022  tsutsui Use common macro for numbers of cylinders and blocks for HP-IB disks.

No binary changes.
 1.110  31-Jul-2021  andvar s/threshhold/threshold
 1.109  11-Jul-2021  tsutsui Add Device and drive info of 2202A, 7908A, 7911A, and 7941A.

Geometries and description info are taken from hpdrive.ini.sample
in HPDrive. Briefly tested on HPDisk.
 1.108  09-Jul-2021  tsutsui Add support of multiple rd(4) disks on all punits for HPDisk.

Special thanks to Anders Gustafsson, the author of "HPDisk"
(GPIB disk emulator) http://www.dalton.ax/hpdisk/
for providing bare boards and improving firmwares for NetBSD/hp300.
 1.107  05-Jul-2021  tsutsui Cleanup duplicated CS/80 indentify structures. From OpenBSD.

https://marc.info/?l=openbsd-cvs&m=113227249626888&w=2
> Define the CS/80 identify structure only once and correctly, instead of
> duplicating it in every CS/80 driver and using an hardcoded number for
> its size.
> No functional change.

https://marc.info/?l=openbsd-cvs&m=113273001020159&w=2
> Pick HP-IB describe structures changes from main kernel code here as well.
 1.106  05-Jul-2021  tsutsui Move attach messages from common rdident() to explicit rdattach().
 1.105  05-Jul-2021  tsutsui Pull HP-IB probe fixes from OpenBSD/hp300.

https://marc.info/?l=openbsd-cvs&m=113217630426615&w=2
> Overhaul the way HP-IB devices are probed. We will now do an exhaustive
> probe of the (slave, punit) tuple space, since this is the only way we
> can get a dual disk or dual tape enclosure to attach two devices of the
> same kind.

This allows using multiple rd(4) disk images on the same slave emulated
by HPDisk (and probably the real 9122D with dual floppy disk drives).

Thanks to Miod Vallat for suggesting this fix.
 1.104  30-Jun-2021  tsutsui No need to bother to use aprint_debug(9) inside #ifdef DEBUG block.
 1.103  10-Jan-2021  tsutsui branches: 1.103.4;
Print rd(4) capacity and geometry info as sd(4) and wd(4) do.

Before:
rd0 at hpibbus1 slave 0 punit 0: 7937H
rd0: 698 cylinders, 13 heads, 1116102 blocks, 512 bytes/block

After:
rd0 at hpibbus1 slave 0 punit 0: 7937H
rd0: 544 MB, 698 cyl, 13 head, 123 sec, 512 bytes/block x 1116102 blocks
 1.102  29-Sep-2020  msaitoh branches: 1.102.2;
s/parition/partition/
 1.101  13-Apr-2015  riastradh branches: 1.101.22;
MD rnd.h cleanups. Please let me know if I broke anything!
 1.100  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.
 1.99  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.
 1.98  10-Aug-2014  tls branches: 1.98.4;
Merge tls-earlyentropy branch into HEAD.
 1.97  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.
 1.96  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.
 1.95  24-Mar-2014  christos branches: 1.95.2;
- remove unused
- use cpu_{g,s}etmodel
 1.94  16-Mar-2014  dholland 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.
 1.93  13-Oct-2012  tsutsui branches: 1.93.2;
struct device * -> device_t, struct cfdata * -> cfdata_t
use device_xname() (from chs@)
 1.92  02-Feb-2012  tls branches: 1.92.6;
Entropy-pool implementation move and cleanup.

1) Move core entropy-pool code and source/sink/sample management code
to sys/kern from sys/dev.

2) Remove use of NRND as test for presence of entropy-pool code throughout
source tree.

3) Remove use of RND_ENABLED in device drivers as microoptimization to
avoid expensive operations on disabled entropy sources; make the
rnd_add calls do this directly so all callers benefit.

4) Fix bug in recent rnd_add_data()/rnd_add_uint32() changes that might
have lead to slight entropy overestimation for some sources.

5) Add new source types for environmental sensors, power sensors, VM
system events, and skew between clocks, with a sample implementation
for each.

ok releng to go in before the branch due to the difficulty of later
pullup (widespread #ifdef removal and moved files). Tested with release
builds on amd64 and evbarm and live testing on amd64.
 1.91  28-Jul-2011  uebayasi branches: 1.91.2; 1.91.6;
dev_t is uint64_t; use PRIx64 to print it. Fix DEBUG build.
 1.90  08-Feb-2011  rmind Remove clause 3 (UCB advertising clause) from the University of Utah
copyright. Confirmed by Mike Hibler, mike at cs.utah.edu - thanks!
Also, merge UCB and Utah copyright texts back into one, as they
originally were.

Extra verification by snj@.
 1.89  13-Jan-2009  yamt branches: 1.89.6; 1.89.8; 1.89.10;
g/c BUFQ_FOO() macros and use bufq_foo() directly.
 1.88  17-Jun-2008  he branches: 1.88.4;
Add some missing parenthesis to restore this to a buildable state.
 1.87  13-Jun-2008  cegger use device_lookup_private to get softc
 1.86  28-Apr-2008  martin branches: 1.86.2; 1.86.4;
Remove clause 3 and 4 from TNF licenses
 1.85  29-Mar-2008  tsutsui branches: 1.85.2; 1.85.4;
Split device_t/softc, and misc cosmetic changes.
 1.84  17-Oct-2007  garbled branches: 1.84.16;
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.
 1.83  08-Oct-2007  ad Merge disk init changes from the vmlocking branch. These seperate init /
destroy of 'struct disk' from attach / detach.
 1.82  29-Jul-2007  ad branches: 1.82.4; 1.82.6; 1.82.8;
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.
 1.81  12-Jul-2007  he branches: 1.81.2; 1.81.4;
Adapt to the new signature of callout_init().
 1.80  04-Mar-2007  tsutsui branches: 1.80.2; 1.80.10;
Use (char *) cast on pointer arith.
 1.79  04-Mar-2007  christos Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.78  21-Jul-2006  tsutsui branches: 1.78.10;
Some KNF.
 1.77  16-Jun-2006  tsutsui - strncpy -> strlcpy
- 16 -> sizeof(foo)
 1.76  10-Jun-2006  tsutsui branches: 1.76.2;
space nits.
 1.75  14-May-2006  elad branches: 1.75.2;
integrate kauth.
 1.74  14-Apr-2006  blymn Make i/o statistics collection more generic, include tape drives and
nfs mounts in the set of devices that statistics will be reported on.
 1.73  29-Mar-2006  tsutsui Add a missing parenthesis.
 1.72  28-Mar-2006  thorpej Use device_unit().
 1.71  25-Feb-2006  wiz branches: 1.71.2; 1.71.4; 1.71.6;
Fix some typos.
 1.70  23-Feb-2006  thorpej Use device_parent().
 1.69  11-Dec-2005  christos branches: 1.69.2; 1.69.4; 1.69.6;
merge ktrace-lwp.
 1.68  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)
 1.67  19-Feb-2005  tsutsui branches: 1.67.6;
Include "ioconf.h" for struct cfdriver *_cd decls.
 1.66  05-Feb-2005  chs make this compile with DEBUG.
 1.65  28-Oct-2004  yamt branches: 1.65.4; 1.65.6;
move buffer queue related stuffs from buf.h to their own header, bufq.h.
 1.64  28-Aug-2004  thorpej Remove the last vestiges of COMPAT_NOLABEL. It's been 10 years; label
your disks already.
 1.63  28-Aug-2004  thorpej Use ANSI function decls, static, and const.
 1.62  17-Nov-2003  tsutsui TAB/space cleanup.
 1.61  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.
 1.60  29-Jun-2003  fvdl branches: 1.60.2;
Back out the lwp/ktrace changes. They contained a lot of colateral damage,
and need to be examined and discussed more.
 1.59  29-Jun-2003  thorpej Adapt to ktrace/lwp changes.
 1.58  03-May-2003  wiz DMA, not dma nor Dma.
 1.57  02-May-2003  dsl Change return type of readdisklabel() to const char *
I hope I've found all the correct places!
 1.56  14-Feb-2003  gmcgarry Handle 64-bit daddr_t.
 1.55  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.
 1.54  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
 1.53  02-Oct-2002  thorpej Use CFATTACH_DECL().
 1.52  27-Sep-2002  thorpej Declare all cfattach structures const.
 1.51  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.
 1.50  26-Jul-2002  hannken Convert to new device buffer queue interface.

Approved by: Jason R. Thorpe <thorpej@netbsd.org>
 1.49  08-Apr-2002  gmcgarry branches: 1.49.2;
Create default disklabel correctly.
 1.48  15-Mar-2002  gmcgarry Add RCSIDs.
 1.47  10-Feb-2002  gmcgarry Implement DIOCGDEFLABEL ioctl.
 1.46  08-Dec-2001  gmcgarry bcopy -> memcpy
bzero -> memset
bcmp -> memcmp
 1.45  16-Sep-2001  wiz branches: 1.45.4;
Spell 'occurred' with two 'r's.
 1.44  10-Oct-2000  he branches: 1.44.2; 1.44.4;
Add randomness sampling from hil, sd and rd devices.
 1.43  27-May-2000  thorpej branches: 1.43.4;
sleep() -> tsleep()
 1.42  19-May-2000  thorpej 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.
 1.41  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.
 1.40  11-Feb-2000  kleink printf format mismatch in DEBUG code (related to already fixed PR hp300/9388).
 1.39  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.
 1.38  31-Jan-2000  kleink Make these build again after buf.h/disksort changes.
 1.37  21-Jan-2000  thorpej Update for sys/buf.h/disksort_*() changes.
 1.36  12-Jan-1998  thorpej branches: 1.36.8; 1.36.14; 1.36.20;
Update for changes to config.
 1.35  04-Oct-1997  thorpej Copyright assigned to The NetBSD Foundation.
 1.34  22-Jul-1997  kleink branches: 1.34.2;
Remove old *_UNK style default defines, use standard names from locators.h.
Missed in "locators.h" cleanup; reported by Thorsten Frueauf in PR 3906.
 1.33  10-Jul-1997  kleink Remove misplaced/unnecessary VM #include cruft; from Thorsten Frueauf
<frueauf@ira.uka.de> in PR port-hp300/3851.
 1.32  24-Jun-1997  thorpej foosize()'s return value is in DEV_BSIZE units; adjust the size obtained
from the disklabel accordingly.
 1.31  05-May-1997  thorpej Update for USELEDS changes.
 1.30  09-Apr-1997  thorpej Use the %x printf format where appropriate
 1.29  02-Apr-1997  scottr Fix printf() and other warnings when compiled with DEBUG defined.
 1.28  31-Mar-1997  scottr Add prototypes, and make this compile with -Wall. Remove register
modifier from all declarations.
 1.27  30-Jan-1997  thorpej Convert to new-style autoconfiguration; old-style config is no longer
supported.
 1.26  07-Jan-1997  thorpej Bring some sanity into my frazzled existence:
- Always ensure that RAW_PART ("c") can be opened.
- Disallow unused or non-existent partitions from being opened.
- Don't do bounds checking or partition translation on RAW_PART.
This is consistent with other disk drivers in the NetBSD source tree,
and fixes a condition where the user could not fix a corrupted disklabel
due to a bogus offset for partition "c".
 1.25  14-Oct-1996  thorpej Set the device class on non-dull devices. This is a transitional thing.
 1.24  13-Oct-1996  christos backout previous kprintf changes
 1.23  11-Oct-1996  christos printf -> kprintf, sprintf -> ksprintf
 1.22  06-Oct-1996  thorpej Fix kernel crash dumps. Still uses the old format for now.
 1.21  06-Jun-1996  thorpej Remove the old-style disk instrumentation support. Nothing uses it
anymore.
 1.20  14-Feb-1996  thorpej branches: 1.20.4;
All interrupt routines (except the HIL; don't ask) now take a pointer
to a softc, rather than a unit number. Add a "dq_softc" member
to struct devqueue; this is a temporary measure until the
dma/controller/device callback spaghetti is untangled.

YAY! No more need for dcafastservice!

HIL: squish instances of "(void) splhil()" and "(void) spl0();".
 1.19  03-Feb-1996  thorpej Remove bogus "return (0);" in rdmatch() that wiggled its way in uninvited.
 1.18  10-Jan-1996  thorpej Kludge around a case where a flaky HP-IB disk might be slow to respond
to the identification request in rdmatch(). Similar in spirit to a
patch from Jason Downs (written eons ago), but limited to the broken
device we're trying to reach. My patch tested (and fixed :-) by
Herb Peyerl.
 1.17  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.
 1.16  09-Dec-1995  thorpej Pass the correct number of arguments to readdisklabel().
 1.15  02-Dec-1995  thorpej Use a "match/attach" rather than "init" scheme for probing devices.
This is a step towards getting the drivers ready for new config.
 1.14  19-Nov-1995  thorpej Re-arrange things such that we can print out disk geometry regardless of
COMPAT_NOLABEL.

XXX One day when the world doesn't assume DEV_BSIZE bytes/sector, we'll be
able to actually use the stuff sensed from the drive, rather than a table.
 1.13  09-Oct-1995  thorpej Pass correct number of arguments to hpibgo().
 1.12  04-Aug-1995  thorpej Update for conf.h changes.
 1.11  10-Apr-1995  mycroft kernel_pmap --> pmap_kernel()
 1.10  26-Oct-1994  cgd new RCS ID format.
 1.9  27-May-1994  mycroft Bug fixes from Mike Hibler.
 1.8  23-May-1994  mycroft Merge with 4.4-Lite.
 1.7  11-May-1994  mycroft Get rid of private *read() and *write() functions.
 1.6  05-May-1994  mycroft Most of the changes needed to make this continue to run.
 1.5  10-Feb-1994  mycroft Add arg to ioctl functions. Clean up #includes.
 1.4  11-Jan-1994  mycroft *strategy functions return void.
 1.3  01-Aug-1993  mycroft Add RCS identifiers (this time on the correct side of the branch), and
incorporate recent changes in netbsd-0-9 branch.
 1.2  22-May-1993  cgd add rcsids to everything and clean up headers
 1.1  13-May-1993  cgd branches: 1.1.1;
Initial revision
 1.1.1.1  13-May-1993  cgd add hp300 kernel files. generic kernel files might need some help...
 1.20.4.1  06-Jun-1996  thorpej Update from trunk:

Remove old-style disk instrumentation support. Nothing uses it
anymore.
 1.34.2.1  14-Oct-1997  thorpej Update marc-pcmcia branch from trunk.
 1.36.20.1  21-Dec-1999  wrstuden Initial commit of recent changes to make DEV_BSIZE go away.

Runs on i386, needs work on other arch's. Main kernel routines should be
fine, but a number of the stand programs need help.

cd, fd, ccd, wd, and sd have been updated. sd has been tested with non-512
byte block devices. vnd, raidframe, and lfs need work.

Non 2**n block support is automatic for LKM's and conditional for kernels
on "options NON_PO2_BLOCKS".
 1.36.14.1  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.
 1.36.8.1  12-Oct-2000  he Pull up revision 1.44 (requested by he):
Add randomness sampling for hil, sd and rd on the hp300 port.
 1.43.4.1  18-Oct-2000  tv Pullup 1.44 [he]:
Add randomness sampling from hil, sd and rd devices.
 1.44.4.5  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
 1.44.4.4  06-Sep-2002  jdolecek sync kqueue branch with HEAD
 1.44.4.3  23-Jun-2002  jdolecek catch up with -current on kqueue branch
 1.44.4.2  16-Mar-2002  jdolecek Catch up with -current.
 1.44.4.1  10-Jan-2002  thorpej Sync kqueue branch with -current.
 1.44.2.2  10-Oct-2001  fvdl Convert all remaining devices.
 1.44.2.1  01-Oct-2001  fvdl Catch up with -current.
 1.45.4.9  11-Nov-2002  nathanw Catch up to -current
 1.45.4.8  18-Oct-2002  nathanw Catch up to -current.
 1.45.4.7  17-Sep-2002  nathanw Catch up to -current.
 1.45.4.6  01-Aug-2002  nathanw Catch up to -current.
 1.45.4.5  17-Apr-2002  nathanw Catch up to -current.
 1.45.4.4  01-Apr-2002  nathanw Catch up to -current.
(CVS: It's not just a program. It's an adventure!)
 1.45.4.3  28-Feb-2002  nathanw Catch up to -current.
 1.45.4.2  08-Jan-2002  nathanw Catch up to -current.
 1.45.4.1  16-Sep-2001  nathanw file rd.c was added on branch nathanw_sa on 2002-01-08 00:24:36 +0000
 1.49.2.2  30-Aug-2002  gehenna catch up with -current.
 1.49.2.1  17-May-2002  gehenna Add device switch.
 1.60.2.9  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.60.2.8  04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.60.2.7  06-Feb-2005  skrll Sync with HEAD.
 1.60.2.6  24-Jan-2005  skrll Adapt to branch.
 1.60.2.5  02-Nov-2004  skrll Sync with HEAD.
 1.60.2.4  21-Sep-2004  skrll Fix the sync with head I botched.
 1.60.2.3  18-Sep-2004  skrll Sync with HEAD.
 1.60.2.2  03-Sep-2004  skrll Sync with HEAD
 1.60.2.1  03-Aug-2004  skrll Sync with HEAD
 1.65.6.2  19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.65.6.1  12-Feb-2005  yamt sync with head.
 1.65.4.1  29-Apr-2005  kent sync with -current
 1.67.6.4  27-Oct-2007  yamt sync with head.
 1.67.6.3  03-Sep-2007  yamt sync with head.
 1.67.6.2  30-Dec-2006  yamt sync with head.
 1.67.6.1  21-Jun-2006  yamt sync with head.
 1.69.6.1  22-Apr-2006  simonb Sync with head.
 1.69.4.1  09-Sep-2006  rpaulo sync with head
 1.69.2.1  01-Mar-2006  yamt sync with head.
 1.71.6.2  24-May-2006  tron Merge 2006-05-24 NetBSD-current into the "peter-altq" branch.
 1.71.6.1  31-Mar-2006  tron Merge 2006-03-31 NetBSD-current into the "peter-altq" branch.
 1.71.4.1  19-Apr-2006  elad sync with head - hopefully this will work
 1.71.2.4  11-Aug-2006  yamt sync with head
 1.71.2.3  26-Jun-2006  yamt sync with head.
 1.71.2.2  24-May-2006  yamt sync with head.
 1.71.2.1  01-Apr-2006  yamt sync with head.
 1.75.2.1  19-Jun-2006  chap Sync with head.
 1.76.2.1  13-Jul-2006  gdamore Merge from HEAD.
 1.78.10.1  12-Mar-2007  rmind Sync with HEAD.
 1.80.10.2  16-Oct-2007  garbled Sync with HEAD
 1.80.10.1  03-Oct-2007  garbled Sync with HEAD
 1.80.2.3  20-Aug-2007  ad - Alter disk attach/detach to fix a panic when closing a vnd device.
- Sync with HEAD.
 1.80.2.2  19-Aug-2007  ad - Back out the biodone() changes.
- Eliminate B_ERROR (from HEAD).
 1.80.2.1  15-Jul-2007  ad Sync with head.
 1.81.4.1  15-Aug-2007  skrll Sync with HEAD.
 1.81.2.1  07-Aug-2007  matt Sync with HEAD.
 1.82.8.1  14-Oct-2007  yamt sync with head.
 1.82.6.1  06-Nov-2007  matt sync with HEAD
 1.82.4.1  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.
 1.84.16.4  17-Jan-2009  mjf Sync with HEAD.
 1.84.16.3  29-Jun-2008  mjf Sync with HEAD.
 1.84.16.2  02-Jun-2008  mjf Sync with HEAD.
 1.84.16.1  03-Apr-2008  mjf Sync with HEAD.
 1.85.4.2  04-May-2009  yamt sync with head.
 1.85.4.1  16-May-2008  yamt sync with head.
 1.85.2.2  17-Jun-2008  yamt sync with head.
 1.85.2.1  18-May-2008  yamt sync with head.
 1.86.4.1  18-Jun-2008  simonb Sync with head.
 1.86.2.1  23-Jun-2008  wrstuden Sync w/ -current. 34 merge conflicts to follow.
 1.88.4.1  19-Jan-2009  skrll Sync with HEAD.
 1.89.10.1  17-Feb-2011  bouyer Sync with HEAD
 1.89.8.1  06-Jun-2011  jruoho Sync with HEAD.
 1.89.6.1  05-Mar-2011  rmind sync with head
 1.91.6.1  18-Feb-2012  mrg merge to -current.
 1.91.2.3  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")
 1.91.2.2  30-Oct-2012  yamt sync with head
 1.91.2.1  17-Apr-2012  yamt sync with head
 1.92.6.4  03-Dec-2017  jdolecek update from HEAD
 1.92.6.3  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.92.6.2  02-Dec-2012  tls Don't pass NULL struct dkdriver to disk_init. That's seriously bogus.
 1.92.6.1  20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.93.2.1  18-May-2014  rmind sync with head
 1.95.2.2  10-Aug-2014  tls Rebase.
 1.95.2.1  07-Apr-2014  tls Be a little more clear and consistent about harvesting entropy from devices:

1) deprecate RND_FLAG_NO_ESTIMATE

2) define RND_FLAG_COLLECT_TIME, RND_FLAG_COLLECT_VALUE

3) define RND_FLAG_ESTIMATE_TIME, RND_FLAG_ESTIMATE_VALUE

4) define RND_FLAG_DEFAULT: RND_FLAG_COLLECT_TIME|
RND_FLAG_COLLECT_VALUE|RND_FLAG_ESTIMATE_TIME

5) Make entropy harvesting from environmental sensors a little more generic
and remove it from individual sensor drivers.

6) Remove individual open-coded delta-estimators for values from a few
places in the tree (uvm, environmental drivers).

7) 0 -> RND_FLAG_DEFAULT, actually gather entropy from various drivers
that had stubbed out code, other minor cleanups.
 1.98.4.2  06-Jun-2015  skrll Sync with HEAD
 1.98.4.1  06-Apr-2015  skrll Sync with HEAD
 1.101.22.2  06-Dec-2022  martin Pull up following revision(s) (requested by tsutsui in ticket #1552):

sys/arch/hp300/dev/rd.c: revision 1.120
sys/arch/hp300/dev/rd.c: revision 1.121
sys/arch/hp300/dev/rd.c: revision 1.122
sys/arch/hp300/dev/rd.c: revision 1.123
sys/arch/hp300/dev/rd.c: revision 1.124
sys/arch/hp300/dev/rdreg.h: revision 1.19
sys/arch/hp300/dev/rd.c: revision 1.111
sys/arch/hp300/dev/rd.c: revision 1.112
sys/arch/hp300/dev/rd.c: revision 1.113
sys/arch/hp300/stand/common/rd.c: revision 1.12
sys/arch/hp300/dev/rd.c: revision 1.114
sys/arch/hp300/stand/common/rd.c: revision 1.13
sys/arch/hp300/dev/rd.c: revision 1.115
sys/arch/hp300/stand/common/rd.c: revision 1.14
sys/arch/hp300/dev/rd.c: revision 1.116
sys/arch/hp300/stand/common/rd.c: revision 1.15
sys/arch/hp300/dev/rd.c: revision 1.117
sys/arch/hp300/dev/rd.c: revision 1.118
sys/arch/hp300/dev/rd.c: revision 1.119
sys/arch/hp300/dev/rdvar.h: revision 1.27
sys/arch/hp300/dev/rdreg.h: revision 1.20

Sync a list of HP-IB disk IDs with kernel's one.
Now bootloader can boot from 2202A, 7908A, 7911A, and 7941A.
Tested on 425t and HPDisk.

Make local variables static and read only ones const.

Use common macro for numbers of cylinders and blocks for HP-IB disks.
No binary changes.

Fix "rd(4) at punits not configured on HPDisk are misprobed" problem.
- check not only stat value returned by C_QSTAT command against
each punit but also desc.d_name returned by C_DESC command
because it looks HPDisk responds to commands against punits supported
but not-configured punits at 1-3
- prepare rdreset_unit() function to manage reset punit ops during
probe without valid softc

The stragety is taken from OpenBSD with several modification.
Tested on 425t with real 9122D and HPDisk emulating two 7937H drives.
Should be pulled up to netbsd-9.

Remove now unused buffer members from softc prepared only for rdreset().

Use proper integer types for HP-IB xfer parameters.
No visible regression on 425t and HPDisk.

Sync with rdreg.h integer type changes.

Remove unnecessary declarations.

Check bounds of RAW_PART by bounds_check_with_mediasize() as other drivers.
With this check, dd(1) without a count value against a raw partition
is terminated properly at the end of media. Tested on 425t and HPDisk.
Should be pulled up to netbsd-9.

Check bounds of each partition by MI bounds_check_with_label(9).
The previous implementation was committed in rev 1.26 about 26 years ago
and it looks there is no quirk to use the old MD one.

Pass a correct dev_t arg to disk_ioctl().
Probably harmless.

Remove a duplicated static function declaration.

Set disk_geom parameters required by DIOCGPARTINFO in disk_ioctl().
With this change raid(4) no longer complains before mountroot:
RAIDframe: can't get disk size for dev rd0 (22)
Should be pulled up to netbsd-9.

Use proper RAW_PART macro rather than a magic number.

Remove more duplicated static function declarations.

Misc KNF and cosmetics.

Add empty DIOCCACHESYNC ioctl(2) for rd(4).
Without this raid(4) always complains on various raidctl(8) ops:
raid0: cache flush[0] to component 0 failed (22)
RAID1 configured by raid(4) just works HP-IB disks on hp300.

Explicitly include <sys/kernel.h> for hz(9) as man pages says.
XXX: it looks sys/param.h r1.615 and later also has extern int hz
 1.101.22.1  14-Jul-2021  martin Pull up following revision(s) (requested by tsutsui in ticket #1323):

sys/arch/hp300/dev/rd.c: revision 1.109
sys/arch/hp300/stand/Makefile.buildboot: revision 1.37
sys/arch/hp300/stand/common/ct.c: revision 1.8
sys/arch/hp300/dev/hpibvar.h: revision 1.22
sys/arch/hp300/dev/ct.c: revision 1.62
sys/arch/hp300/dev/hpibvar.h: revision 1.23
sys/arch/hp300/dev/ct.c: revision 1.63
sys/arch/hp300/dev/hpibvar.h: revision 1.24
sys/arch/hp300/dev/mt.c: revision 1.55
sys/arch/hp300/dev/rdreg.h: revision 1.14
sys/arch/hp300/dev/hpib.c: revision 1.43 (via patch)
sys/arch/hp300/dev/rdreg.h: revision 1.15
sys/arch/hp300/dev/rdreg.h: revision 1.16
sys/arch/hp300/dev/rdreg.h: revision 1.17
etc/etc.hp300/MAKEDEV.conf: revision 1.15
sys/arch/hp300/stand/common/hpibvar.h: revision 1.6
sys/arch/hp300/stand/common/rd.c: revision 1.11
sys/arch/hp300/dev/ctreg.h: revision 1.11
sys/arch/hp300/dev/rdvar.h: revision 1.24
sys/arch/hp300/dev/rdvar.h: revision 1.25
sys/arch/hp300/dev/rdvar.h: revision 1.26
sys/arch/hp300/dev/rd.c: revision 1.103
sys/arch/hp300/dev/rd.c: revision 1.104
sys/arch/hp300/dev/rd.c: revision 1.105
sys/arch/hp300/dev/rd.c: revision 1.106
sys/arch/hp300/dev/rd.c: revision 1.107
sys/arch/hp300/dev/rd.c: revision 1.108

Consistently use #define<tab> here.

Consistently use #define<tab> as rdreg.h.

No need to bother to use aprint_debug(9) inside #ifdef DEBUG block.

Pull HP-IB probe fixes from OpenBSD/hp300.
https://marc.info/?l=openbsd-cvs&m=113217630426615&w=2

Overhaul the way HP-IB devices are probed. We will now do an exhaustive
probe of the (slave, punit) tuple space, since this is the only way we
can get a dual disk or dual tape enclosure to attach two devices of the
same kind.

This allows using multiple rd(4) disk images on the same slave emulated
by HPDisk (and probably the real 9122D with dual floppy disk drives).

Thanks to Miod Vallat for suggesting this fix.

Move attach messages from common rdident() to explicit rdattach().

Cleanup duplicated CS/80 indentify structures. From OpenBSD.
https://marc.info/?l=openbsd-cvs&m=113227249626888&w=2

Define the CS/80 identify structure only once and correctly, instead of
duplicating it in every CS/80 driver and using an hardcoded number for
its size.
No functional change.
https://marc.info/?l=openbsd-cvs&m=113273001020159&w=2

Pick HP-IB describe structures changes from main kernel code here as well.

Add support of multiple rd(4) disks on all punits for HPDisk.

Special thanks to Anders Gustafsson, the author of "HPDisk"
(GPIB disk emulator) http://www.dalton.ax/hpdisk/
for providing bare boards and improving firmwares for NetBSD/hp300.

Specify -fno-unwind-tables to shrink binaries.

Before:
text data bss dec hex filename
77902 4328 137120 219350 358d6 uboot

After:
text data bss dec hex filename
64186 4328 137120 205634 32342 uboot

Create rd3 device nodes, for HPDisk.

Add Device and drive info of 2202A, 7908A, 7911A, and 7941A.

Geometries and description info are taken from hpdrive.ini.sample
in HPDrive. Briefly tested on HPDisk.

Print rd(4) capacity and geometry info as sd(4) and wd(4) do.

Before:
rd0 at hpibbus1 slave 0 punit 0: 7937H
rd0: 698 cylinders, 13 heads, 1116102 blocks, 512 bytes/block

After:
rd0 at hpibbus1 slave 0 punit 0: 7937H
rd0: 544 MB, 698 cyl, 13 head, 123 sec, 512 bytes/block x 1116102 blocks
 1.102.2.1  03-Apr-2021  thorpej Sync with HEAD.
 1.103.4.1  01-Aug-2021  thorpej Sync with HEAD.

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