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History log of /src/sys/dev/qbus/qd.c
RevisionDateAuthorComments
 1.63  07-Oct-2025  andvar Fix few typos in comments.
 1.62  01-Aug-2023  andvar fix various typos in comments.
 1.61  16-Apr-2022  andvar fix various typos in comments and log messages.
 1.60  12-Dec-2021  andvar fix various typos in comments.
 1.59  26-Sep-2021  thorpej Change the kqueue filterops::f_isfd field to filterops::f_flags, and
define a flag FILTEROP_ISFD that has the meaning of the prior f_isfd.
Field and flag name aligned with OpenBSD.

This does not constitute a functional or ABI change, as the field location
and size, and the value placed in that field, are the same as the previous
code, but we're bumping __NetBSD_Version__ so 3rd-party module source code
can adapt, as needed.

NetBSD 9.99.89
 1.58  18-Dec-2020  thorpej Use sel{record,remove}_knote().
 1.57  25-Oct-2017  maya branches: 1.57.18;
Use C99 initializer for filterops

Mostly done with spatch with touchups for indentation

@@
expression a;
identifier b,c,d;
identifier p;
@@
const struct filterops p =
- { a, b, c, d
+ {
+ .f_isfd = a,
+ .f_attach = b,
+ .f_detach = c,
+ .f_event = d,
};
 1.56  18-Oct-2014  snj src is too big these days to tolerate superfluous apostrophes. It's
"its", people!
 1.55  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.
 1.54  16-Mar-2014  dholland branches: 1.54.2;
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.
 1.53  27-Oct-2012  chs branches: 1.53.2;
split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.
 1.52  24-Apr-2011  rmind branches: 1.52.4; 1.52.14;
Rename ttymalloc() to tty_alloc(), and ttyfree() to tty_free() for
consistency. Remove some unnecessary malloc.h inclusions as well.
 1.51  13-Nov-2010  uebayasi branches: 1.51.2;
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.
 1.50  18-May-2009  ad branches: 1.50.4;
Don't pass a buffer to physio(), let it be allocated dynamically.

This leaves only scsipi and atapi doing the same.
 1.49  18-Apr-2009  tsutsui Remove extra whitespace added by a stupid tool.
XXX: more in src/sys/arch
 1.48  18-Mar-2009  cegger bcopy -> memcpy
 1.47  18-Mar-2009  cegger Ansify function definitions w/o arguments. Generated with sed.
 1.46  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.
 1.45  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.)
 1.44  12-Jun-2008  cegger branches: 1.44.4; 1.44.10;
use device_lookup_private to get softc
 1.43  11-Mar-2008  matt branches: 1.43.2; 1.43.4; 1.43.6; 1.43.8;
Rototill the vax code. Switch to devicet/PRIV_ALLOC. Cleanup vax autoconf
code. Move to prototype definitions. staticfy, constify, avoid casting.
Use device_* accessors.
 1.42  01-Mar-2008  rmind Welcome to 4.99.55:

- Add a lot of missing selinit() and seldestroy() calls.

- Merge selwakeup() and selnotify() calls into a single selnotify().

- Add an additional 'events' argument to selnotify() call. It will
indicate which event (POLL_IN, POLL_OUT, etc) happen. If unknown,
zero may be used.

Note: please pass appropriate value of 'events' where possible.
Proposed on: <tech-kern>
 1.41  05-Dec-2007  pooka branches: 1.41.8; 1.41.12;
Do not "return 1" from kqfilter for errors. That value is passed
directly to the userland caller and results in a mysterious EPERM.
Instead, return EINVAL or something else sensible depending on the
case.
 1.40  19-Nov-2007  ad branches: 1.40.2;
- Factor out too many copies of the same bit of tty code.
- Fix another tty signalling/wakeup problem.
 1.39  19-Oct-2007  ad branches: 1.39.2;
machine/{bus,cpu,intr}.h -> sys/{bus,cpu,intr}.h
 1.38  29-Jul-2007  ad branches: 1.38.4; 1.38.6; 1.38.10; 1.38.12;
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.
 1.37  04-Mar-2007  christos branches: 1.37.2; 1.37.10;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.36  28-Mar-2006  thorpej branches: 1.36.14;
Use device_unit().
 1.35  25-Mar-2006  thorpej Use device_parent().
 1.34  11-Dec-2005  christos branches: 1.34.4; 1.34.6; 1.34.8; 1.34.10; 1.34.12;
merge ktrace-lwp.
 1.33  26-Feb-2005  simonb branches: 1.33.4;
White space nits.
 1.32  04-Feb-2005  perry de-__P
 1.31  07-Aug-2003  agc branches: 1.31.8; 1.31.10;
Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.
 1.30  26-Nov-2002  christos branches: 1.30.6;
si_ -> sel_
 1.29  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
 1.28  02-Oct-2002  thorpej Add trailing ; to CFATTACH_DECL.
 1.27  30-Sep-2002  thorpej Use CFATTACH_DECL().
 1.26  27-Sep-2002  thorpej Declare all cfattach structures const.
 1.25  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.
 1.24  17-Mar-2002  atatat branches: 1.24.4;
Convert ioctl code to use EPASSTHROUGH instead of -1 or ENOTTY for
indicating an unhandled "command". ERESTART is -1, which can lead to
confusion. ERESTART has been moved to -3 and EPASSTHROUGH has been
placed at -4. No ioctl code should now return -1 anywhere. The
ioctl() system call is now properly restartable.
 1.23  13-Nov-2001  lukem add RCSIDs
 1.22  02-May-2001  scw branches: 1.22.2; 1.22.4;
Add `l_poll' to `struct linesw' and provide an xxxpoll() entry point
in each tty driver to indirect through it.

This allows tty line-disciplines to handle poll(2) system calls.
 1.21  02-Nov-2000  eeh branches: 1.21.2;
Adapt to the new line discipline scheme.
 1.20  28-Jun-2000  mrg remove include of <vm/vm.h>
 1.19  27-May-2000  thorpej sleep() -> tsleep()
 1.18  30-Mar-2000  augustss Remove register declarations.
 1.17  24-Jan-2000  matt Revamp the VAX interrupt handling code. Make it compatible with all the
other ports. Clean up some things.
 1.16  18-Jan-2000  thorpej iodone() -> biodone()
 1.15  20-Jun-1999  ragge branches: 1.15.2; 1.15.4;
QDSS should now work as console.
XXX - still vax-specific.
 1.14  20-Jun-1999  ragge Copied from ../../arch/vax/uba/qd.c,v
 1.13  17-Apr-1999  ragge Only allocate QDSS memory if there is a QDSS as console.
QDSS should also work on KA650 now. (untested)
 1.12  19-Jan-1999  ragge Allocate (almost) all interrupt vectors dynamically. Simplifies much
work when adding support for new machines and devices.
 1.11  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.
 1.10  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.
 1.9  05-Nov-1998  ragge EGCS fixes.
 1.8  04-Jul-1998  jonathan defopt DDB.
 1.7  20-Jun-1998  ragge Don't try to configure QDSS console on KA650 until it's fixed.
 1.6  13-Apr-1998  ragge Wall cleaning.
 1.5  21-Mar-1998  ragge Add support for QDSS graphic console. Code originated from 4.4BSD,
ported to NetBSD by Boris Gjenero <bgjenero@undergrad.math.uwaterloo.ca>
 1.4  13-Oct-1996  christos backout previous kprintf change
 1.3  11-Oct-1996  christos printf -> kprintf, sprintf -> ksprintf
 1.2  02-Sep-1996  mycroft tty stop functions really should return void, not int, and certainly not both.
 1.1  18-Aug-1996  jonathan Import framebuffer drivers from 4.4-Lite2 as the root for NetBSD drivers.
Only change from Lite (or lite2, qv.c and qd.c do not change) is adding
NetBSD RCS ids.
 1.15.4.2  22-Nov-2000  bouyer Sync with HEAD.
 1.15.4.1  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.
 1.15.2.2  01-Jul-1999  thorpej Sync w/ -current.
 1.15.2.1  20-Jun-1999  thorpej file qd.c was added on branch chs-ubc2 on 1999-07-01 23:35:33 +0000
 1.21.2.7  11-Dec-2002  thorpej Sync with HEAD.
 1.21.2.6  11-Nov-2002  nathanw Catch up to -current
 1.21.2.5  18-Oct-2002  nathanw Catch up to -current.
 1.21.2.4  17-Sep-2002  nathanw Catch up to -current.
 1.21.2.3  01-Apr-2002  nathanw Catch up to -current.
(CVS: It's not just a program. It's an adventure!)
 1.21.2.2  14-Nov-2001  nathanw Catch up to -current.
 1.21.2.1  21-Jun-2001  nathanw Catch up to -current.
 1.22.4.2  13-Oct-2001  fvdl Revert the t_dev -> t_devvp change in struct tty. The way that tty
structs are currently used (especially by console ttys) aren't
ready for it, and this will require quite a few changes.
 1.22.4.1  10-Oct-2001  fvdl Convert all remaining devices.
 1.22.2.6  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
 1.22.2.5  02-Oct-2002  jdolecek use (intptr_t) rathern than (u_long) to cast kn_hook pointer to dev_t
use (void *)(intptr_t) to cast dev_t to kn_hook pointer
 1.22.2.4  23-Jun-2002  jdolecek catch up with -current on kqueue branch
 1.22.2.3  10-Jan-2002  thorpej Sync kqueue branch with -current.
 1.22.2.2  12-Sep-2001  thorpej More coffee for me, please. selwakeup -> selnotify
 1.22.2.1  12-Sep-2001  thorpej Add kqueue support (not compiled yet).
 1.24.4.1  16-May-2002  gehenna Add the character device switch.
Replace the direct-access to devsw table with calling devsw API.
Fix type of arguments.
 1.30.6.5  04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.30.6.4  04-Feb-2005  skrll Sync with HEAD.
 1.30.6.3  21-Sep-2004  skrll Fix the sync with head I botched.
 1.30.6.2  18-Sep-2004  skrll Sync with HEAD.
 1.30.6.1  03-Aug-2004  skrll Sync with HEAD
 1.31.10.2  19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.31.10.1  12-Feb-2005  yamt sync with head.
 1.31.8.1  29-Apr-2005  kent sync with -current
 1.33.4.5  17-Mar-2008  yamt sync with head.
 1.33.4.4  07-Dec-2007  yamt sync with head
 1.33.4.3  27-Oct-2007  yamt sync with head.
 1.33.4.2  03-Sep-2007  yamt sync with head.
 1.33.4.1  21-Jun-2006  yamt sync with head.
 1.34.12.2  31-Mar-2006  tron Merge 2006-03-31 NetBSD-current into the "peter-altq" branch.
 1.34.12.1  28-Mar-2006  tron Merge 2006-03-28 NetBSD-current into the "peter-altq" branch.
 1.34.10.1  19-Apr-2006  elad sync with head.
 1.34.8.1  01-Apr-2006  yamt sync with head.
 1.34.6.1  22-Apr-2006  simonb Sync with head.
 1.34.4.1  09-Sep-2006  rpaulo sync with head
 1.36.14.1  12-Mar-2007  rmind Sync with HEAD.
 1.37.10.1  15-Aug-2007  skrll Sync with HEAD.
 1.37.2.2  23-Oct-2007  ad Sync with head.
 1.37.2.1  19-Aug-2007  ad - Back out the biodone() changes.
- Eliminate B_ERROR (from HEAD).
 1.38.12.2  29-Jul-2007  ad 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.
 1.38.12.1  29-Jul-2007  ad file qd.c was added on branch matt-mips64 on 2007-07-29 12:15:45 +0000
 1.38.10.2  21-Nov-2007  bouyer Sync with HEAD
 1.38.10.1  25-Oct-2007  bouyer Sync with HEAD.
 1.38.6.3  23-Mar-2008  matt sync with HEAD
 1.38.6.2  09-Jan-2008  matt sync with HEAD
 1.38.6.1  06-Nov-2007  matt sync with HEAD
 1.38.4.3  09-Dec-2007  jmcneill Sync with HEAD.
 1.38.4.2  21-Nov-2007  joerg Sync with HEAD.
 1.38.4.1  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.
 1.39.2.1  08-Dec-2007  mjf Sync with HEAD.
 1.40.2.1  08-Dec-2007  ad Sync with head.
 1.41.12.2  29-Jun-2008  mjf Sync with HEAD.
 1.41.12.1  03-Apr-2008  mjf Sync with HEAD.
 1.41.8.1  24-Mar-2008  keiichi sync with head.
 1.43.8.1  18-Jun-2008  simonb Sync with head.
 1.43.6.1  23-Jun-2008  wrstuden Sync w/ -current. 34 merge conflicts to follow.
 1.43.4.2  20-Jun-2009  yamt sync with head
 1.43.4.1  04-May-2009  yamt sync with head.
 1.43.2.1  17-Jun-2008  yamt sync with head.
 1.44.10.2  23-Jul-2009  jym Sync with HEAD.
 1.44.10.1  13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.44.4.1  28-Apr-2009  skrll Sync with HEAD.
 1.50.4.2  31-May-2011  rmind sync with head
 1.50.4.1  05-Mar-2011  rmind sync with head
 1.51.2.1  06-Jun-2011  jruoho Sync with HEAD.
 1.52.14.3  03-Dec-2017  jdolecek update from HEAD
 1.52.14.2  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.52.14.1  20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.52.4.2  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")
 1.52.4.1  30-Oct-2012  yamt sync with head
 1.53.2.1  18-May-2014  rmind sync with head
 1.54.2.1  10-Aug-2014  tls Rebase.
 1.57.18.1  03-Jan-2021  thorpej Sync w/ HEAD.

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