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History log of /src/sys/dev/qbus/dhu.c
RevisionDateAuthorComments
 1.58  26-Oct-2022  riastradh vax/dhu(4): Convert to ttylock/ttyunlock.
 1.57  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.
 1.56  24-Apr-2011  rmind branches: 1.56.14; 1.56.28;
Rename ttymalloc() to tty_alloc(), and ttyfree() to tty_free() for
consistency. Remove some unnecessary malloc.h inclusions as well.
 1.55  11-Jun-2008  drochner branches: 1.55.18; 1.55.24;
fix some missing pieces of device/softc split
 1.54  27-May-2008  ad branches: 1.54.2;
PR kern/38763 "hanging in tty" bugfix breaks the build for vax (and
probably others)
 1.53  25-May-2008  ad Properly fix the "hanging in tty" bug that was worked around with cv_wakeup()
some time again.
 1.52  11-Mar-2008  matt branches: 1.52.2; 1.52.4; 1.52.6;
Rototill the vax code. Switch to devicet/PRIV_ALLOC. Cleanup vax autoconf
code. Move to prototype definitions. staticfy, constify, avoid casting.
Use device_* accessors.
 1.51  03-Dec-2007  ad branches: 1.51.10; 1.51.14;
Interrupt handling changes, in discussion since February:

- Reduce available SPL levels for hardware devices to none, vm, sched, high.
- Acquire kernel_lock only for interrupts at IPL_VM.
- Implement threaded soft interrupts.
 1.50  19-Nov-2007  ad - Factor out too many copies of the same bit of tty code.
- Fix another tty signalling/wakeup problem.
 1.49  07-Nov-2007  ad Merge tty changes from the vmlocking branch.
 1.48  19-Oct-2007  ad branches: 1.48.2;
machine/{bus,cpu,intr}.h -> sys/{bus,cpu,intr}.h
 1.47  04-Mar-2007  christos branches: 1.47.2; 1.47.14; 1.47.16; 1.47.20;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.46  01-Oct-2006  elad branches: 1.46.4;
Adapt MD code to KAUTH_DEVICE_TTY_OPEN, batch #2 from Matt Fleming, thanks!

Also, add forgotten splx() calls in some places.
 1.45  21-Jul-2006  ad branches: 1.45.4; 1.45.6;
- Use the LWP cached credentials where sane.
- Minor cosmetic changes.
 1.44  15-May-2006  yamt - include kauth.h for kauth_authorize_generic.
- wrap a long line.
 1.43  14-May-2006  elad integrate kauth.
 1.42  29-Mar-2006  thorpej Use device_private().
 1.41  11-Dec-2005  christos branches: 1.41.4; 1.41.6; 1.41.8; 1.41.10; 1.41.12;
make this compile again (from Johnny Billquist)
 1.40  11-Dec-2005  christos merge ktrace-lwp.
 1.39  06-Sep-2005  kleink Change the driver open function's conditional for overriding exclusive tty
use from checking the proc's uid to suser(9), and account for the use of
privileges. Noted by David Holland in PR kern/31126.

Also change this to use the proc argument instead of curproc.
 1.38  26-Feb-2005  simonb branches: 1.38.4;
White space nits.
 1.37  04-Feb-2005  perry de-__P
 1.36  12-May-2004  wiz branches: 1.36.4; 1.36.6;
Remove UCB ad clause in Hugh Graham's license.
Ok'd by Hugh Graham and board.
 1.35  25-Apr-2004  matt Constify the speedtab arrays
 1.34  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.
 1.33  06-Apr-2003  ragge branches: 1.33.2;
A bunch of fixes to make the DHU driver much more efficient,
from Hugh Graham (hugh@openbsd.org).
 1.32  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
 1.31  02-Oct-2002  thorpej Add trailing ; to CFATTACH_DECL.
 1.30  30-Sep-2002  thorpej Use CFATTACH_DECL().
 1.29  27-Sep-2002  thorpej Declare all cfattach structures const.
 1.28  25-Sep-2002  thorpej Don't include <sys/map.h>.
 1.27  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.
 1.26  17-Mar-2002  atatat branches: 1.26.4;
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.
 1.25  13-Nov-2001  lukem add RCSIDs
 1.24  26-May-2001  ragge branches: 1.24.2; 1.24.4;
Use cdev_decl() instead of local prototyping.
 1.23  02-May-2001  scw 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.
 1.22  31-Mar-2001  enami Remove unnecessary test of tp->t_linesw against NULL; they are results
of confusion while correcting compilation error after t_line is
replaced with t_linesw.
 1.21  02-Nov-2000  eeh branches: 1.21.2;
Adapt to the new line discipline scheme.
 1.20  05-Jun-2000  matt Adjust to new evcnt stuff.
 1.19  04-Jun-2000  matt More event counter stuff. Plus a little cruft cleanup while doing it.
 1.18  30-Mar-2000  augustss branches: 1.18.2;
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  06-Jun-1999  ragge branches: 1.16.2; 1.16.4;
Fix map register/DMA wait queues.
Still to do:
BDP handling. Currently missing.
Ubareset's won't work at all.
 1.15  28-May-1999  ragge The DHU code changed to use bus_space.
XXX - still need to use bus_dma.
 1.14  28-May-1999  ragge Copied from ../../arch/vax/uba/dhu.c,v
 1.13  19-Jan-1999  ragge Allocate (almost) all interrupt vectors dynamically. Simplifies much
work when adding support for new machines and devices.
 1.12  13-Apr-1998  ragge t_wopen fixes.
 1.11  24-Jan-1998  ragge Remove __BROKEN_INDIRECT_CONFIG and change all drivers to use
config_search instead.
 1.10  12-Jan-1998  thorpej Update for changes to config.
 1.9  11-Jan-1997  ragge Update due to changes to uba/mscp functions.
 1.8  13-Oct-1996  christos backout previous kprintf change
 1.7  11-Oct-1996  christos printf -> kprintf, sprintf -> ksprintf
 1.6  02-Sep-1996  mycroft tty stop functions really should return void, not int, and certainly not both.
 1.5  19-May-1996  ragge Update from Ken Wellsch.
 1.4  08-Apr-1996  ragge Added prototypes to everything. Made all files compile with -Wall.
 1.3  18-Mar-1996  ragge Ubareset are now possible, devices that wants it now set it up
during autoconfig. ifubareset (if_reset) no longer used, actually
it's just a normal ubareset and is now handled like that.
 1.2  17-Mar-1996  ragge Update from Ken Wellsch: The DHU driver can now handle DMA transfers.
 1.1  02-Mar-1996  ragge Unibus/Q22 bus device driver for DHU-11 serial card.
Written by Ken Wellsch. (kcwellsc@math.uwaterloo.ca)
 1.16.4.3  21-Apr-2001  bouyer Sync with HEAD
 1.16.4.2  22-Nov-2000  bouyer Sync with HEAD.
 1.16.4.1  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.
 1.16.2.1  21-Jun-1999  thorpej Sync w/ -current.
 1.18.2.1  22-Jun-2000  minoura Sync w/ netbsd-1-5-base.
 1.21.2.11  11-Nov-2002  nathanw Catch up to -current
 1.21.2.10  18-Oct-2002  nathanw Catch up to -current.
 1.21.2.9  17-Sep-2002  nathanw Catch up to -current.
 1.21.2.8  12-Jul-2002  nathanw No longer need to pull in lwp.h; proc.h pulls it in for us.
 1.21.2.7  10-Jul-2002  nathanw Whitespace.
 1.21.2.6  24-Jun-2002  nathanw Curproc->curlwp renaming.

Change uses of "curproc->l_proc" back to "curproc", which is more like the
original use. Bare uses of "curproc" are now "curlwp".

"curproc" is now #defined in proc.h as ((curlwp) ? (curlwp)->l_proc) : NULL)
so that it is always safe to reference curproc (*de*referencing curproc
is another story, but that's always been true).
 1.21.2.5  01-Apr-2002  nathanw Catch up to -current.
(CVS: It's not just a program. It's an adventure!)
 1.21.2.4  28-Mar-2002  ragge curproc-> => curproc->l_proc->
 1.21.2.3  14-Nov-2001  nathanw Catch up to -current.
 1.21.2.2  21-Jun-2001  nathanw Catch up to -current.
 1.21.2.1  09-Apr-2001  nathanw Catch up with -current.
 1.24.4.2  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.
 1.24.4.1  10-Oct-2001  fvdl Convert all remaining devices.
 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  23-Jun-2002  jdolecek catch up with -current on kqueue branch
 1.24.2.1  10-Jan-2002  thorpej Sync kqueue branch with -current.
 1.26.4.1  16-May-2002  gehenna Add the character device switch.
Fix type of arguments.
 1.33.2.7  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.33.2.6  04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.33.2.5  04-Feb-2005  skrll Sync with HEAD.
 1.33.2.4  21-Sep-2004  skrll Fix the sync with head I botched.
 1.33.2.3  18-Sep-2004  skrll Sync with HEAD.
 1.33.2.2  12-Aug-2004  skrll Adapt to new world order.

Vax GENERIC compiles.
 1.33.2.1  03-Aug-2004  skrll Sync with HEAD
 1.36.6.2  19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.36.6.1  12-Feb-2005  yamt sync with head.
 1.36.4.1  29-Apr-2005  kent sync with -current
 1.38.4.7  17-Mar-2008  yamt sync with head.
 1.38.4.6  07-Dec-2007  yamt sync with head
 1.38.4.5  15-Nov-2007  yamt sync with head.
 1.38.4.4  27-Oct-2007  yamt sync with head.
 1.38.4.3  03-Sep-2007  yamt sync with head.
 1.38.4.2  30-Dec-2006  yamt sync with head.
 1.38.4.1  21-Jun-2006  yamt sync with head.
 1.41.12.2  24-May-2006  tron Merge 2006-05-24 NetBSD-current into the "peter-altq" branch.
 1.41.12.1  31-Mar-2006  tron Merge 2006-03-31 NetBSD-current into the "peter-altq" branch.
 1.41.10.3  19-Apr-2006  elad sync with head.
 1.41.10.2  10-Mar-2006  elad generic_authorize() -> kauth_authorize_generic().
 1.41.10.1  08-Mar-2006  elad Adapt to kernel authorization KPI.
 1.41.8.3  11-Aug-2006  yamt sync with head
 1.41.8.2  24-May-2006  yamt sync with head.
 1.41.8.1  01-Apr-2006  yamt sync with head.
 1.41.6.2  01-Jun-2006  kardel Sync with head.
 1.41.6.1  22-Apr-2006  simonb Sync with head.
 1.41.4.1  09-Sep-2006  rpaulo sync with head
 1.45.6.1  22-Oct-2006  yamt sync with head
 1.45.4.1  18-Nov-2006  ad Sync with head.
 1.46.4.1  12-Mar-2007  rmind Sync with HEAD.
 1.47.20.3  21-Nov-2007  bouyer Sync with HEAD
 1.47.20.2  13-Nov-2007  bouyer Sync with HEAD
 1.47.20.1  25-Oct-2007  bouyer Sync with HEAD.
 1.47.16.4  23-Mar-2008  matt sync with HEAD
 1.47.16.3  09-Jan-2008  matt sync with HEAD
 1.47.16.2  08-Nov-2007  matt sync with -HEAD
 1.47.16.1  06-Nov-2007  matt sync with HEAD
 1.47.14.4  09-Dec-2007  jmcneill Sync with HEAD.
 1.47.14.3  21-Nov-2007  joerg Sync with HEAD.
 1.47.14.2  11-Nov-2007  joerg Sync with HEAD.
 1.47.14.1  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.
 1.47.2.1  23-Oct-2007  ad Sync with head.
 1.48.2.2  08-Dec-2007  mjf Sync with HEAD.
 1.48.2.1  19-Nov-2007  mjf Sync with HEAD.
 1.51.14.3  29-Jun-2008  mjf Sync with HEAD.
 1.51.14.2  02-Jun-2008  mjf Sync with HEAD.
 1.51.14.1  03-Apr-2008  mjf Sync with HEAD.
 1.51.10.1  24-Mar-2008  keiichi sync with head.
 1.52.6.1  23-Jun-2008  wrstuden Sync w/ -current. 34 merge conflicts to follow.
 1.52.4.1  04-May-2009  yamt sync with head.
 1.52.2.2  17-Jun-2008  yamt sync with head.
 1.52.2.1  04-Jun-2008  yamt sync with head
 1.54.2.1  18-Jun-2008  simonb Sync with head.
 1.55.24.1  06-Jun-2011  jruoho Sync with HEAD.
 1.55.18.1  31-May-2011  rmind sync with head
 1.56.28.1  10-Aug-2014  tls Rebase.
 1.56.14.1  20-Aug-2014  tls Rebase to HEAD as of a few days ago.

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