CVS log for src/sys/compat/netbsd32/netbsd32_ioctl.c

Up to [cvs.NetBSD.org] / src / sys / compat / netbsd32

Request diff between arbitrary revisions

Keyword substitution: kv
Default branch: MAIN

Pull up following revision(s) (requested by riastradh in ticket #1921):

	sys/kern/kern_event.c: revision 1.106
	sys/kern/sys_select.c: revision 1.51
	sys/kern/subr_exec_fd.c: revision 1.10
	sys/kern/sys_aio.c: revision 1.46
	sys/kern/kern_descrip.c: revision 1.244
	sys/kern/kern_descrip.c: revision 1.245
	sys/ddb/db_xxx.c: revision 1.72
	sys/ddb/db_xxx.c: revision 1.73
	sys/miscfs/fdesc/fdesc_vnops.c: revision 1.132
	sys/kern/uipc_usrreq.c: revision 1.195
	sys/kern/sys_descrip.c: revision 1.36
	sys/kern/uipc_usrreq.c: revision 1.196
	sys/kern/uipc_socket2.c: revision 1.135
	sys/kern/uipc_socket2.c: revision 1.136
	sys/kern/kern_sig.c: revision 1.383
	sys/kern/kern_sig.c: revision 1.384
	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.107
	sys/miscfs/procfs/procfs_vnops.c: revision 1.208
	sys/kern/subr_exec_fd.c: revision 1.9
	sys/kern/kern_descrip.c: revision 1.252
	(all via patch)

Load struct filedesc::fd_dt with atomic_load_consume.

Exceptions: when fd_refcnt <= 1, or when holding fd_lock.

While here:
- Restore KASSERT(mutex_owned(&fdp->fd_lock)) in fd_unused.
  => This is used only in fd_close and fd_abort, where it holds.
- Move bounds check assertion in fd_putfile to where it matters.
- Store fd_dt with atomic_store_release.
- Move load of fd_dt under lock in knote_fdclose.
- Omit membar_consumer in fdesc_readdir.
  => atomic_load_consume serves the same purpose now.
  => Was needed only on alpha anyway.

Load struct fdfile::ff_file with atomic_load_consume.
Exceptions: when we're only testing whether it's there, not about to
dereference it.

Note: We do not use atomic_store_release to set it because the
preceding mutex_exit should be enough.

(That said, it's not clear the mutex_enter/exit is needed unless
refcnt > 0 already, in which case maybe it would be a win to switch
from the membar implied by mutex_enter to the membar implied by
atomic_store_release -- which I would generally expect to be much
cheaper.  And a little clearer without a long comment.)
kern_descrip.c: Fix membars around reference count decrement.

In general, the `last one out hit the lights' style of reference
counting (as opposed to the `whoever's destroying must wait for
pending users to finish' style) requires memory barriers like so:

        ... usage of resources associated with object ...
        membar_release();
        if (atomic_dec_uint_nv(&obj->refcnt) != 0)
                return;
        membar_acquire();
        ... freeing of resources associated with object ...

This way, all usage happens-before all freeing.  This fixes several
errors:
- fd_close failed to ensure whatever its caller did would
  happen-before the freeing, in the case where another thread is
  concurrently trying to close the fd (ff->ff_file == NULL).
  Fix: Add membar_release before atomic_dec_uint(&ff->ff_refcnt) in
  that branch.
- fd_close failed to ensure all loads its caller had issued will have
  happened-before the freeing, in the case where the fd is still in
  use by another thread (fdp->fd_refcnt > 1 and ff->ff_refcnt-- > 0).
  Fix: Change membar_producer to membar_release before
  atomic_dec_uint(&ff->ff_refcnt).
- fd_close failed to ensure that any usage of fp by other callers
  would happen-before any freeing it does.
  Fix: Add membar_acquire after atomic_dec_uint_nv(&ff->ff_refcnt).
- fd_free failed to ensure that any usage of fdp by other callers
  would happen-before any freeing it does.
  Fix: Add membar_acquire after atomic_dec_uint_nv(&fdp->fd_refcnt).

While here, change membar_exit -> membar_release.  No semantic
change, just updating away from the legacy API.

Pull up following revision(s) (requested by 1922):

	tests/kernel/Makefile: revision 1.83
	sys/sys/filedesc.h: revision 1.71
	distrib/sets/lists/tests/mi: revision 1.1346
	tests/kernel/h_cloexec.c: revision 1.1
	tests/kernel/t_cloexec.c: revision 1.1
	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.122
	distrib/sets/lists/debug/mi: revision 1.454

tests/kernel/t_cloexec: New tests for close-on-exec.

Verified that the following tests fail on a netbsd-10 kernel:
- clonedev_posixspawn
- dup3_posixspawn
- fcntldupfd_posixspawn

PR kern/58822: close-on-exec is broken for dup3 and opening cloning
devices
sys/filedesc.h: Add a note about writing to ff_exclose.
No functional change intended -- just a reminder to avoid repeating a
class of bugs we've had.

PR kern/58822: close-on-exec is broken for dup3 and opening cloning
devices

netbsd32_ioctl: Use fd_set_exclose instead of open-coding it.
No functional change intended -- this just reduces unnecessary
copies of open-coded logic which, when copied incompletely, led to:

PR kern/58822: close-on-exec is broken for dup3 and opening cloning
devices

Pull up following revision(s) (requested by riastradh in ticket #1007):

	tests/kernel/Makefile: revision 1.83
	sys/sys/filedesc.h: revision 1.71
	distrib/sets/lists/tests/mi: revision 1.1346
	tests/kernel/h_cloexec.c: revision 1.1
	tests/kernel/t_cloexec.c: revision 1.1
	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.122
	distrib/sets/lists/debug/mi: revision 1.454

tests/kernel/t_cloexec: New tests for close-on-exec.
Verified that the following tests fail on a netbsd-10 kernel:
- clonedev_posixspawn
- dup3_posixspawn
- fcntldupfd_posixspawn
PR kern/58822: close-on-exec is broken for dup3 and opening cloning
devices


sys/filedesc.h: Add a note about writing to ff_exclose.
No functional change intended -- just a reminder to avoid repeating a
class of bugs we've had.
PR kern/58822: close-on-exec is broken for dup3 and opening cloning
devices


netbsd32_ioctl: Use fd_set_exclose instead of open-coding it.
No functional change intended -- this just reduces unnecessary
copies of open-coded logic which, when copied incompletely, led to:
PR kern/58822: close-on-exec is broken for dup3 and opening cloning
devices

netbsd32_ioctl: Use fd_set_exclose instead of open-coding it.

No functional change intended -- this just reduces unnecessary
copies of open-coded logic which, when copied incompletely, led to:

PR kern/58822: close-on-exec is broken for dup3 and opening cloning
devices

Pull up following revision(s) (requested by rin in ticket #988):

	sys/compat/netbsd32/netbsd32_ioctl.h: revision 1.80
	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.121

PR 58235: add support for SIOCGIFDATA and SIOCZIFDATA ioctls.

PR 58235: add support for SIOCGIFDATA and SIOCZIFDATA ioctls.

Handle the SIOCGNBRINFO ioctl for compat32.
arp -a works with compat32 now.

Credit to simonb@ for the ndp fix from which this is cribbed.

Sync with HEAD.

Add DIOCGDISKINFO compat.

Sync with HEAD.

Handle the SIOCGNBRINFO_IN6 ioctl for compat32.  ndp -a works with
compat32 now.

Remove some blank lines to group the VND and FSS ioctls together.

Handle the KFILTER_BYFILTER and KFILTER_BYNAME ioctls for compat32.
Passes "atf kernel/kqueue/t_ioctl".

Handle FSSIOCSET and FSSIOCGET; vndconfig(8) works with compat32 now.
XXX: FSSIOCSET50 and FSSIOCGET50 are not (yet) handled.

Add lockstat(1) ioctl handling.

mrg@: "looks ok."

Add BIOCSETWF32 (bpf)

Mostly merge changes from HEAD upto 20200411

Merge changes from current as of 20200406

Unfortunately all the clockctl ioctls contain pointers to structs instead
of the structs themselves, so they need special handling. Undo previous
and do the permissions checks explicitly. It would be better to fix the
clockctl ioctls to contain the structs themselves...

Don't open-code ioctls, pass back to the 64 bit ones (found by maxv@),

wrong size passed to copyout

Sync with head.

Pull up following revision(s) (requested by mlelstv in ticket #1504):

	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.108
	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.109

Don't use strlcpy to copy untrusted input, it may not be NUL-terminated.

Where did the +1 came from ?

Pull up following revision(s) (requested by mlelstv in ticket #706):

	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.108
	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.109

Don't use strlcpy to copy untrusted input, it may not be NUL-terminated.

Where did the +1 came from ?

Where did the +1 came from ?

Don't use strlcpy to copy untrusted input, it may not be NUL-terminated.

Load struct filedesc::fd_dt with atomic_load_consume.

Exceptions: when fd_refcnt <= 1, or when holding fd_lock.

While here:

- Restore KASSERT(mutex_owned(&fdp->fd_lock)) in fd_unused.
  => This is used only in fd_close and fd_abort, where it holds.
- Move bounds check assertion in fd_putfile to where it matters.
- Store fd_dt with atomic_store_release.
- Move load of fd_dt under lock in knote_fdclose.
- Omit membar_consumer in fdesc_readdir.
  => atomic_load_consume serves the same purpose now.
  => Was needed only on alpha anyway.

Sorry, revert unintentional parts of the previous commit:
http://mail-index.netbsd.org/source-changes/2019/11/18/msg110946.html

I was going to commit only netbsd32_signal.c.

Belatedly catch up with kern_sig.c rev 1.358:
http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/kern/kern_sig.c#rev1.358

Provide syscall information with SIGTRAP TRAP_SCE/TRAP_SCX so that
picotrace/truss, for example, works fine on COMPAT_NETBSD32.

With some minor changes:

- Centralize netbsd32_si{,32}_si{32,}() into netbsd32_ksi{,32}_ksi{32,}().
- Provide si_status with SIGCHLD.
- Remove the remaining of SA.

XXX
pullup to netbsd-9

compat32 drm ioctl support from Surya Shankar at GSoC 2019

Pull up following revision(s) (requested by rin in ticket #1054):

	sys/compat/netbsd32/netbsd32_ioctl.h: revision 1.65
	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.98
	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.99

PR/53666: Rin Okuyama: tcpdump for i386 does not work with COMPAT_NETBSD32
on amd64. Add BIOCSRTIMEOUT32.

 -

Correct misleading names of dummy variables. No binary changes intended.

Sync with HEAD

 The max subtype of the ifmedia word is 31. It's too small for Ethernet now.
We currently use use it up to 30. We should extend the limit to be able to use
more than 10Gbps speeds. Our ifmedia(4) is inconvenience and have some problem
so we should redesign the interface, but it's too late for netbsd-9 to do it.
So, we keep the data structure size and modify the structure a bit. The
strategy is almost the same as FreeBSD. Many bits of IFM_OMASK for Ethernet
have not used, so use some of them for Ethernet's subtype.

The differences against FreeBSD are:
 - We use NetBSD style compat code (i.e. no SIOCGIFXMEDIA).
 - FreeBSD's IFM_ETH_XTYPE's bit location is from 11 to "14" even though
   IFM_OMASK is from 8 to "15". We use _IFM_ETH_XTMASK from bit 13 to "15".
 - FreeBSD changed the meaning of IFM_TYPE_MATCH(). I think we should
   not do it. We keep it not changing and added new IFM_TYPE_SUBTYPE_MATCH()
   macro for matching both TYPE and SUBTYPE.
 - Added up to 400GBASE-SR16.

New layout of the media word is as follows (from ifmedia_h):

 * if_media Options word:
 *	Bits	Use
 *	----	-------
 *	0-4	Media subtype	MAX SUBTYPE == 255 for ETH and 31 for others
 *	5-7	Media type
 *	8-15	Type specific options
 *	16-18	Mode (for multi-mode devices)
 *	19	(Reserved for Future Use)
 *	20-27	Shared (global) options
 *	28-31	Instance
 *
 *   3                     2                   1
 *   1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 *  +-------+---------------+-+-----+---------------+-----+---------+
 *  |       |               |R|     |               |     |         |
 *  | IMASK |     GMASK     |F|MMASK+-----+ OMASK   |NMASK|  TMASK  |
 *  |       |               |U|     |XTMSK|         |     |         |
 *  +-------+---------------+-+-----+-----+---------+-----+---------+
 *   <----->                   <--->                 <--->
 *  IFM_INST()               IFM_MODE()            IFM_TYPE()
 *
 *                              IFM_SUBTYPE(other than ETH)<------->
 *
 *                                   <---> IFM_SUBTYPE(ETH)<------->
 *
 *
 *           <------------->         <------------->
 *                        IFM_OPTIONS()

 KNF. No functional change.

Merge the [pgoyette-compat] branch

Sync with HEAD, resolve a couple of conflicts

Restore netbsd32 compat code for new NPF ABI.

Sync with head

PR kern/53666
Correct misleading names of dummy variables. No binary changes intended.

PR/53666: Rin Okuyama: tcpdump for i386 does not work with COMPAT_NETBSD32
on amd64. Add BIOCSRTIMEOUT32.

comment out unused

Ssync with HEAD

NPF: Major rework -- migrate NPF to the libnv library.
- This conversion significantly simplifies the code and moves NPF to
  a binary serialisation format (replacing the XML-like format).
- Fix some memory/reference leaks and possibly use-after-free bugs.
- Bump NPF_VERSION as this change makes libnpf incompatible with the
  previous versions.  Also, different serialisation format means NPF
  connection/config saving and loading is not compatible with the
  previous versions either.

Thanks to christos@ for extra testing.

Additional use of NTP function pointers, since the NTP code might not
exist in the kernel.  (NTP is not (yet) a module, so we don't need to
use the MP-safe mechanism.)

fix DIOCLWEDGES to at least not fail with ENOTTY due to struct size difference,
but probably more needs to be done to work if any actual wedges are configured

add support for DIOCGSTRATEGY and DIOCSSTRATEGY

Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)

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!)

Synch with HEAD

Add DIOCLWEDGES

add conversion goop for WSDISPLAYIO_LDFONT and _SFONT
tested on mips64

update from HEAD

Pull up following revision(s) (requested by jmcneill in ticket #396):
	sys/compat/netbsd32/netbsd32_ioctl.h: revision 1.57
	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.90
Add support for SIOCGIFGENERIC and SIOCSIFGENERIC ioctls.

Add support for SIOCGIFGENERIC and SIOCSIFGENERIC ioctls.

Sync with HEAD

Sync with HEAD

appease coverity by using strlcpy instead of strncpy

ok riastradh

Sync with HEAD.  (Note that most of these changes are simply $NetBSD$
tag issues.)

Sync NPF with the version on github: backport standalone NPF changes,
which allow us to create and run separate NPF instances. Minor fixes.
(from rmind@)

Sync with HEAD

Handle CLOCKCTL_NTP_ADJTIME32 even when compiled with !NTP;
just return ENOTTY in order to avoid possible failure when
main kernel and compat_netbsd32 module are compiled with
different NTP options in future.

Suggested and approved by mlelstv

Protect NPT stuff by "#ifdef NTP". Fix non-NTP kernel.
Approved by martin.

Fix netbsd32 emulation for clockctl_ntp_adjtime.

The ioctl args reference a timex structure that needs to be
transformed to 64bit layout and back.

The 32bit ioctl definition was wrong for mips, as register_t is 64bit
for N32 abi.

Sync with HEAD

Add netbsd32 support for drvctl(4)

Sync with HEAD (as of 26th Dec)

Replace DIOCGPART -> DIOCGPARTINFO which returns the data needed instead of
pointers.

Sync with HEAD

Pull up following revision(s) (requested by maxv in ticket #1318):
	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.82
Wrong logic. Here, userland can control the size and the data copied, which
basically means it can overflow kernel memory.
ok martin@ christos@

Pull up following revision(s) (requested by maxv in ticket #1318):
	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.82
Wrong logic. Here, userland can control the size and the data copied, which
basically means it can overflow kernel memory.
ok martin@ christos@

Pull up following revision(s) (requested by maxv in ticket #1318):
	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.82
Wrong logic. Here, userland can control the size and the data copied, which
basically means it can overflow kernel memory.
ok martin@ christos@

Pull up following revision(s) (requested by maxv in ticket #930):
	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.82
Wrong logic. Here, userland can control the size and the data copied, which
basically means it can overflow kernel memory.
ok martin@ christos@

Wrong logic. Here, userland can control the size and the data copied, which
basically means it can overflow kernel memory.

ok martin@ christos@

Sync with HEAD

Add support for NPF ioctls.

Back out prior

gimpy1@ we don't #include driver .h in netbsd32

Revert prior change, optionally include PPPOE and SPPP support again.
Fix compat_netbsd32 module building by enforcing both.

It seems we cannot depend on kernel config in modules, so always compile
in PPP(,oE) support.

Add support for PPPOEGETPARMS and PPPOESETPARMS.

Support SPPPGETAUTHCFG and SPPPSETAUTHCFG.

Fixup ifdrv parameter order.

Fix netbsd32 ifdrv copy routines to not use memcpy.

Add missing SIOCGDRVSPEC32
Fix SIOCGETSGCNT32

Rework ksym defines and includes.

Change the ksyms ioctls to more compat_netbsd32 friendly.  Use _IOWR ioctls
to avoid extra copyouts.  With these changes, netstat and vmstat work on
mips64eb with the normal N32 userland and a N64 kernel.

Implement SIOCIFGCLONERS for netbsd32, so ifconfig -C works.

Rebase to HEAD as of a few days ago.

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")

sync with head

Pull up following revision(s) (requested by manu in ticket #1022):
	sys/compat/netbsd32/netbsd32_ioctl.h: revision 1.44
	sys/compat/netbsd32/netbsd32_ioctl.c: revision 1.68
Add ATAIOCCOMMAND ioctl form COMPAT_NETBSD32
This enables SMART monitoring by a netbsd32 binary.

Support WSDISPLAYIO_GETCMAP/WSDISPLAYIO_PUTCMAP. Tested on evbmips/loongson

Add ATAIOCCOMMAND ioctl form COMPAT_NETBSD32

This enables SMART monitoring by a netbsd32 binary.

sync with head

Ensure correct alignment for stack buffers when long != 64-bit, e.g.
arm.

sync to latest -current.

compat for 80211 ioctls from jmcneill

sync with head.

provide clockctl ioctl emulation

fix pasto, now SIOCS80211NWKEY and SIOCG80211NWKEY actually work

forgot SIOCG80211NWKEY32 when adding SIOCS80211NWKEY32

support WSDISPLAYIO_GCURSOR and WSDISPLAYIO_SCURSOR

support ioctl(POWER_EVENT_RECVDICT) - now powerd turns my gdium's backlight
off when the lid is closed

Provide netbsd32 compat for bpf. Beside the ioctls, the structure
returned to userland by read(2) also needs to be converted.
For this, the bpf descriptor is flagged as compat32 (or not) in the
open and ioctl functions (where the user process's pid is also updated
in the descriptor). When the bpf buffer is filled in, the 32bits or native
header is used depending on the information stored in the descriptor.

This won't work if a 64bit binary does the open and ioctls, and then
exec a 32bit program which will do the read. But this is very
unlikely to happen in real life ...

Tested on i386 and loongson; with these changes my loongson can run
dhclient and tcpdump with a n32 userland.

support SIOCG80211NWKEY

add WSDISPLAYIO_ADDSCREEN

translate WDOGIOC_GWDOGS

Sync with HEAD.

sync with head

remove FLASH_GET_INFO compat as it is no longer using size_t

compat/netbsd32 ioctl support for FLASH_GET_INFO

sync with head

Sync with HEAD

Define 32bit version of SIOC[GS]IFADDRPREF32.  We wouldn't need this to
if i386 actually aligned a uint64_t on a 64bit boundary but it doesn't.
So all that work in sockaddr_storage goes for naught.

Fix c&p error.

Make struct disklabel 8 byte aligned.  This increases its size by 4 bytes
on IPL32 platforms so add code in sys_ioctl (and netbsd32_ioctl) to deal
with the older/smaller diskabel size.  This change makes disklabel the
same for both IPL32 and LP64 platforms.

Sync with HEAD (-D20101022).

sync with head

Add support for envsys(4) version 2 ioctls.

add (runtime untested) support for AUDIO_WSEEK.

add support for the netbsd 5.0 versions of the VND* ioctls.

support VND* ioctls.

sync with head.

sync with head

Sync with HEAD.

Replace M_IOV and some malloc(9)s with kmem(9), and while there:
- Fix invalid free (M_TEMP vs M_IOV) in do_sys_recvmsg(), spotted by jakllsch@.
  Also, same fix in osf1_sys_sendmsg_xopen().
- Fix attempt to free non-allocated memory in error path in netbsd32___getfh30().
- Plug a memory leak in compat_43_netbsd32_orecvmsg().

sync with head

In netbsd32_from_{ifreq,oifreq}(), use the compat structure size for
memcpy.

From mrg.

Kill debug printf.

Make netbsd32_from_{ifreq,oifreq}() copy the whole structure, not only
the interface name. Finally fix my own PR/39424.

ok by christos.

Add netbsd32_oifreq and fix issue in copying the interface name. With this
patch OSIOC{G,S}IFFLAGS is supposed to work, but unfortunately getifaddrs
seems to be the next problem getting the 4.99.x i386 ifconfig working on an
amd64 current machine.

Sync with HEAD.

sync with head

More changes to improve kern_descrip.c.

- Avoid atomics in more places.
- Remove the per-descriptor mutex, and just use filedesc_t::fd_lock.
  It was only being used to synchronize close, and in any case we needed
  to take fd_lock to free the descriptor slot.
- Optimize certain paths for the <NDFDFILE case.
- Sprinkle more comments and assertions.
- Cache more stuff in filedesc_t.
- Fix numerous minor bugs spotted along the way.
- Restructure how the open files array is maintained, for clarity and so
  that we can eliminate the membar_consumer() call in fd_getfile().  This is
  mostly syntactic sugar; the main functional change is that fd_nfiles now
  lives alongside the open file array.

Some measurements with libmicro:

- simple file syscalls are like close() are between 1 to 10% faster.
- some nice improvements, e.g. poll(1000) which is ~50% faster.

sync with head.

Sync with wrstuden-revivesa-base-2.

Sync with head.

Sync with HEAD.

Change {ff,fd}_exclose and ff_allocated to bool.  Change exclose arg to
fd_dup to bool.  Switch assignments from 1/0 to true/false.

This make alpha kernels compile.  Bump kern to 4.99.69 since structure
changed.

file netbsd32_ioctl.c was added on branch christos-time_t on 2008-07-02 16:45:21 +0000

Change {ff,fd}_exclose and ff_allocated to bool.  Change exclose arg to
fd_dup to bool.  Switch assignments from 1/0 to true/false.

This make alpha kernels compile.  Bump kern to 4.99.69 since structure
changed.

Sync with HEAD.

Sync with head.

Update compat netbsd32 SIOCGIFCONF ioctls definitions to follow native
ones.

Sync w/ -current. 34 merge conflicts to follow.

sync with head

Sync with HEAD.

remove clause #3 from my license where there are no other
copyright holders involved.

Per discussion with ad, remove most of the #include <sys/sa.h> lines
as they were including sa.h just for the type(s) needed for syscallargs.h.

Instead, create a new file, sys/satypes.h, which contains just the
types needed for syscallargs.h. Yes, there's only one now, but that
may change and it's probably more likely to change if it'd be difficult
to handle. :-)

Per discussion with matt at n dot o, add an include of satypes.h to
sigtypes.h. Upcall handlers are kinda signal handlers, and signalling
is the header file that's already included for syscallargs.h that
closest matches SA.

This shaves about 3000 lines off of the diff of the branch relative
to the base. That also represents about 18% of the total before this
checkin.

I think this reduction is very good thing.

Initial checkin of re-adding SA. Everything except kern_sa.c
compiles in GENERIC for i386. This is still a work-in-progress, but
this checkin covers most of the mechanical work (changing signalling
to be able to accomidate SA's process-wide signalling and re-adding
includes of sys/sa.h and savar.h). Subsequent changes will be much
more interesting.

Also, kern_sa.c has received partial cleanup. There's still more
to do, though.

Sync with HEAD.

sync with head.

Catch up with descriptor handling changes. See kern_descrip.c revision
1.173 for details.

sync with head

sync with HEAD

Sync with HEAD

Sync with head.

Convert all the system call entry points from:
    int foo(struct lwp *l, void *v, register_t *retval)
to:
    int foo(struct lwp *l, const struct foo_args *uap, register_t *retval)
Fixup compat code to not write into 'uap' and (in some cases) to actually
pass a correctly formatted 'uap' structure with the right name to the
next routine.
A few 'compat' routines that just call standard ones have been deleted.
All the 'compat' code compiles (along with the kernels required to test
build it).
98% done by automated scripts.

Sync with HEAD.

ANSIfy most of the function definitions in sys/compat (but not ndis).
All by the magic of sed ...

sync with head.

Sync with HEAD.

Sync with HEAD.

Sync with HEAD.

Changes to make ktrace LKM friendly and reduce ifdef KTRACE. Proposed
on tech-kern.

Sync with head.

Sync with head.

make this compile again
XXX: The ioctls will need to be fixed.

Sync with head.

Pullup to -current

sync with head.

Add ktrace I/O support to netbsd32_ioctl() syscall.
Reviewed by cube.

Change all the NETBSD32PTR64(SCARG(uap, xxx))) to SCARG_P32(uap, xxx).

First attempt to bring branch in sync with HEAD

remove all the double (and triple) casts used to convert 32bit userspace
pointers to and from 64bit kernel pointers.  Instead use the defines
NETBSD32PTR64(p32) to read a 32bit pointer and (the new) NETBSD32PTR32(p32,p64)
to write a 32bit pointer throughout.
The 32bit pointer is now a struct to enforce the above.
amd64 (with linux emul) and sparc64 will both compile (when the arch stuff
goes in soon), and amd64 still runs some i386 binaries.

Sync with HEAD.

fix fallout from caddr_t changes.

Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.

sync with head.

Merge newlock2 to head.

Sync with head.

Remove support for SA. Ok core@.

Remove more duplicate headers.
Patch by Slava Semushin <slava.semushin@gmail.com>

Again, this was tested by comparing obj files from a pristine and a patched
source tree against an i386/ALL kernel, and also for src/sbin/fsck_ffs,
src/sbin/fsdb and src/usr.sbin/makefs. Only changes in assert() line numbers
were detected in 'objdump -d' output.

sync with head.

Sync with head.

sync with head

EPASSTHROUGH from lower layers is returned as ENOTTY to the (system) caller.
Make it so.

sync with head.

Remove leading __ from __(const|inline|signed|volatile) -- it is obsolete.

merge ktrace-lwp.

sync with -current

sync with head.  xen and whitespace.  xen part is not finished.

Sync with HEAD.

Hi Perry!

nuke trailing whitespace

Fix the sync with head I botched.

Sync with HEAD.

Adapt to branch.

sparc64 GENERIC compiles.

Sync with HEAD

begin to implement some ifreq ioctls... long long way to go.

cleanup & uniform descriptor owner handling:
* introduce fsetown(), fgetown(), fownsignal() - this sets/retrieves/signals
  the owner of descriptor, according to appropriate sematics
  of TIOCSPGRP/FIOSETOWN/SIOCSPGRP/TIOCGPGRP/FIOGETOWN/SIOCGPGRP ioctl; use
  these routines instead of custom code where appropriate
* make every place handling TIOCSPGRP/TIOCGPGRP handle also FIOSETOWN/FIOGETOWN
  properly, and remove the translation of FIO[SG]OWN to TIOC[SG]PGRP
  in sys_ioctl() & sys_fcntl()
* also remove the socket-specific hack in sys_ioctl()/sys_fcntl() and
  pass the ioctls down to soo_ioctl() as any other ioctl

change discussed on tech-kern@

Back out the lwp/ktrace changes. They contained a lot of colateral damage,
and need to be examined and discussed more.

struct proc * -> struct lwp *

get rid of the ASYNCMAP ioctls

Bump daddr_t to 64 bits. Replace it with int32_t in all places where
it was used on-disk, so that on-disk formats remain the same.
Remove ufs_daddr_t and ufs_lbn_t for the time being.

Merge the nathanw_sa branch.

Catch up to -current

In preparation for COMPAT_NETBSD32 on SH-5:

 - The MD netbsd32_machdep.h header now defines the 32-bit pointer type
   instead of using u_int32_t everywhere,
 - The MD netbsd32_machdep.h header now defines a macro (at least on
   current implementations) which converts a 32-bit pointer to its 64-bit
   equivalent,
 - Change the MI code to utilise the above two items in all the right places,
 - Implement netbsd32___sigaction_sigtramp().

Tested on Sparc64 by Matt Green.

lwpification.

#include <sys/sa.h> before <sys/syscallargs.h>, to provide sa_upcall_t
now that <sys/param.h> doesn't include <sys/sa.h>.

(Behold the Power of Ed)

Catch up to -current.

More catchup.

Sync kqueue branch with -current.

move sparc specific ioctl handling (fb & openprom) into arch/sparc64.

Catch up to -current.

add RCSIDs (including regeneration of files as appropriate)

Catch up with -current.

Catch up to -current.

machine/fbio.h -> dev/sun/fbio.h

Update the kqueue branch to HEAD.

update copyright notices.

Catch up to -current.

Some of this was sparc-specific, so ifdef __sparc__ it (XXX). Also,
change the alignment of one structure with an MD ifdef. Should
be moved into the netbsd32_machdep parts.

Fix a partial construction problem that can cause race conditions
between creation of a file descriptor and close(2) when using kernel
assisted threads.  What we do is stick descriptors in the table, but
mark them as "larval".  This causes essentially everything to treat
it as a non-existent descriptor, except for fdalloc(), which sees a
filled slot so that it won't (incorrectly) allocate it again.  When
a descriptor is fully constructed, the code that has constructed it
marks it as "mature" (which actually clears the "larval" flag), and
things continue to work as normal.

While here, gather all the code that gets a descriptor from the table
into a fd_getfile() function, and call it, rather than having the
same (sometimes incorrect) code copied all over the place.

Sync with HEAD.

Fix uninitialized pointer bug.

Update thorpej_scsipi to -current as of a month ago

pull up 1.7.  approved by thorpej:
>Fix netbsd32_ioctls.

Fix netbsd32_ioctls.

- massive warning fix fest.
- fix pread/pwrite return values (plus some other syscalls that looked
  similarly broken).
- prototypes and clean up for netbsd32_ioctl.c

now getpw*() works under compat32!

Update to 32-bit compatibility routines.

Pull up to last week's -current.

Add netbsd32_compat_14.c

Rename everything from compat_netbsd32 -> netbsd32 so we don't have silly
names like compat_14_compat_netbsd32_sys_shmctl().

SPARC32->NETBSD32

move sparc32 to netbsd32; split out MD part (signal handling) (mostly via repository copy, rename and perl -pi :-)

add a 32-bit compatibility module for the sparc64 port, so it can run NetBSD/sparc binaries with a LP64 kernel.