Commit Graph

29362 Commits

Author SHA1 Message Date
Noriaki Mitsunaga
5d31f4642d Add module directories and makefiles for ncv, nsp, stg and scsi_low
KLD modules.

Submitted-by: takawata
2001-12-15 12:37:36 +00:00
Noriaki Mitsunaga
499b1f4b70 o Add KLD support for scsi_low.
o Add KLD dependency of ncv, nsp and stg drivers to scsi_low.

Submitted by: takawata
2001-12-15 12:32:23 +00:00
Warner Losh
a432b68b87 Add support for suspending/resuming CardBus bridges.
We really should have and use power state information, but none exists
today.

Submitted by: YAMAMOTO Shigeru-san <shigeru@iij.ad.jp>
2001-12-15 05:58:28 +00:00
Peter Wemm
80c706c80e Patch up some existing style bugs and some that crept in with the
DEVICE_POLLING stuff.
2001-12-15 02:51:21 +00:00
Peter Wemm
6481f3012e Fix (again) some blatent style bugs in DEVICE_POLLING code. 2001-12-15 02:41:52 +00:00
Archie Cobbs
34fd23818a Add support for 56 bit MPPE encryption.
MFC after:	3 days
2001-12-15 02:07:32 +00:00
John Baldwin
201b0ea8fd Fix some nits in fork_exit() so it more properly duplicates the backend
of mi_switch:
- Set the oncpu value for the current thread.
- Always set switchticks, not just in the SMP case.
- Add a KTR entry for fork_exit that is the same as the "new proc"
  entry in mi_switch().
- Release sched_lock a bit later like we do with mi_switch().
2001-12-14 23:37:35 +00:00
Luigi Rizzo
c7c781634f Add description of DEVICE_POLLING option. 2001-12-14 23:35:33 +00:00
Luigi Rizzo
c578eeb389 Clarify the comments related to DUMMYNET and HZ
MFC after: 3 days
2001-12-14 23:25:58 +00:00
John Baldwin
e6ee5efdb8 Fix two typos, TR6() and ITR6() need to use CTR6(), not CTR5(). 2001-12-14 22:28:58 +00:00
John Polstra
81bda851db Make bpf's read timeout feature work more correctly with
select/poll, and therefore with pthreads.  I doubt there is any way
to make this 100% semantically identical to the way it behaves in
unthreaded programs with blocking reads, but the solution here
should do the right thing for all reasonable usage patterns.

The basic idea is to schedule a callout for the read timeout when a
select/poll is done.  When the callout fires, it ends the select if
it is still in progress, or marks the state as "timed out" if the
select has already ended for some other reason.  Additional logic in
bpfread then does the right thing in the case where the timeout has
fired.

Note, I co-opted the bd_state member of the bpf_d structure.  It has
been present in the structure since the initial import of 4.4-lite,
but as far as I can tell it has never been used.

PR:		kern/22063 and bin/31649
MFC after:	3 days
2001-12-14 22:17:54 +00:00
David Greenman
eb48892e1d Disabled input hardware checksum due to it being calculated incorrected
for some packets, in particular small (0 byte payload) packets. May also
be related to TCP options.

Approved by:	wpaul
MFC after:	3 days
2001-12-14 22:04:58 +00:00
Søren Schmidt
ae22ec847b Adjust the timings for the SiS chips a bit, also add the SiS 645.
Cosmetics on the Acer chips (print right modes)
2001-12-14 21:28:49 +00:00
Søren Schmidt
de56c1c5d8 Do be so anal on detach, properly free interrupt even if no devices. 2001-12-14 21:23:19 +00:00
Robert Watson
365979cdac o Add IPOPT_ESO for the 'Extended Security' IP option (RFC1108)
Obtained from:	TrustedBSD Project
2001-12-14 19:37:32 +00:00
Robert Watson
18e2b6a995 o Add definition for IPOPT_CIPSO, the commercial security IP option
number.

Submitted by:	Ilmar S. Habibulin <ilmar@watson.org>
Obtained from:	TrustedBSD Project
2001-12-14 19:34:42 +00:00
Jonathan Lemon
aa1f5daa31 whitespace and style fixes recovered from -stable. 2001-12-14 19:34:11 +00:00
Jonathan Lemon
6f00486cfd minor style and whitespace fixes. 2001-12-14 19:33:29 +00:00
Jonathan Lemon
effa274e9e whitespace fixes. 2001-12-14 19:32:47 +00:00
Jonathan Lemon
f8b6a631a2 minor whitespace fixes. 2001-12-14 19:32:00 +00:00
Jonathan Lemon
64b15424e4 minor style fix. 2001-12-14 19:28:06 +00:00
Jonathan Lemon
2b846bd3a5 When removing kqueue descriptors from the descriptor table during a fork,
update fd_freefile and fd_lastfile as well, to keep things in sync.

Pointed out by: Debbie Chu <dchu@juniper.net>
2001-12-14 19:02:57 +00:00
Mike Silbersack
3260eb18f3 Reduce the local network slowstart flightsize from infinity to 4 packets.
Now that we've increased the size of our send / receive buffers, bursting
an entire window onto the network may cause congestion.  As a result,
we will slow start beginning with a flightsize of 4 packets.

Problem reported by: Thomas Zenker <thz@Lennartz-electronic.de>

MFC after:	3 days
2001-12-14 18:26:52 +00:00
Luigi Rizzo
e4fc250c15 Device Polling code for -current.
Non-SMP, i386-only, no polling in the idle loop at the moment.

To use this code you must compile a kernel with

        options DEVICE_POLLING

and at runtime enable polling with

        sysctl kern.polling.enable=1

The percentage of CPU reserved to userland can be set with

        sysctl kern.polling.user_frac=NN (default is 50)

while the remainder is used by polling device drivers and netisr's.
These are the only two variables that you should need to touch. There
are a few more parameters in kern.polling but the default values
are adequate for all purposes. See the code in kern_poll.c for
more details on them.

Polling in the idle loop will be implemented shortly by introducing
a kernel thread which does the job. Until then, the amount of CPU
dedicated to polling will never exceed (100-user_frac).
The equivalent (actually, better) code for -stable is at

	http://info.iet.unipi.it/~luigi/polling/

and also supports polling in the idle loop.

NOTE to Alpha developers:
There is really nothing in this code that is i386-specific.
If you move the 2 lines supporting the new option from
sys/conf/{files,options}.i386 to sys/conf/{files,options} I am
pretty sure that this should work on the Alpha as well, just that
I do not have a suitable test box to try it. If someone feels like
trying it, I would appreciate it.

NOTE to other developers:
sure some things could be done better, and as always I am open to
constructive criticism, which a few of you have already given and
I greatly appreciated.
However, before proposing radical architectural changes, please
take some time to possibly try out this code, or at the very least
read the comments in kern_poll.c, especially re. the reason why I
am using a soft netisr and cannot (I believe) replace it with a
simple timeout.

Quick description of files touched by this commit:

sys/conf/files.i386
        new file kern/kern_poll.c
sys/conf/options.i386
        new option
sys/i386/i386/trap.c
        poll in trap (disabled by default)
sys/kern/kern_clock.c
        initialization and hardclock hooks.
sys/kern/kern_intr.c
        minor swi_net changes
sys/kern/kern_poll.c
        the bulk of the code.
sys/net/if.h
        new flag
sys/net/if_var.h
        declaration for functions used in device drivers.
sys/net/netisr.h
        NETISR_POLL
sys/dev/fxp/if_fxp.c
sys/dev/fxp/if_fxpvar.h
sys/pci/if_dc.c
sys/pci/if_dcreg.h
sys/pci/if_sis.c
sys/pci/if_sisreg.h
        device driver modifications
2001-12-14 17:56:12 +00:00
Luigi Rizzo
99adc698c1 Let M_LEADINGSPACE write into non-shared mbufs.
A similar thing has been in -stable for weeks and is completely safe.

This has very good performance implications as it saves some data
copying, and sometimes avoids triggering performance bugs in devices
(such as the "dc" and other Tulip clones) which do not like scattered
data.
2001-12-14 17:31:58 +00:00
Ian Dowse
1cb4661d56 Enable UFS_DIRHASH in the GENERIC kernel.
Suggested by:	silby
Reviewed by:	dillon
MFC after:	5 days
2001-12-14 16:27:11 +00:00
Yoshihiro Takahashi
9cc62fb3d8 Fixed to draw mouse cursor. The syscons driver for PC98 uses different
attributes from i386.

Submitted by:	chi@bd.mbn.or.jp (Chiharu Shibata)
MFC after:	3 days
2001-12-14 15:27:15 +00:00
Sheldon Hearn
6e5c224e04 Bump __FreeBSD_version for userland smbfs import. 2001-12-14 12:41:56 +00:00
Robert Watson
0cbe2ad685 o Clarify the comments on AIO to note that yes, AIO really is unsuitable
for use on machines with untrusted local users, for security as well
  as stability reasons.
o Lack of clarity pointed out by: David Rufino <dr@soniq.net> via bugtraq.
2001-12-14 11:21:16 +00:00
Kirk McKusick
3ce63c45f7 Add disk I/O scheduling for positively niced processes.
When a positively niced process requests a disk I/O, make
it wait for its nice value of ticks before scheduling its
I/O request if there are any other processes with I/O
requests in the disk queue. For all the gory details, see
the ``Running fsck in the Background'' paper in the Usenix
BSDCon 2002 Conference Proceedings, pages 55-64.
2001-12-14 10:49:15 +00:00
Peter Wemm
f6916f666c Proper fix for old config setting maxusers to 8. 2001-12-14 09:39:29 +00:00
Ruslan Ermilov
34a5940b8c mdoc(7) police: remove hard sentence break which I didn't
submit to Jonathan Mini.
2001-12-14 09:06:11 +00:00
Matthew Dillon
873a490449 A slightly different version of the vlrureclaim fix.
Reported by: peter, ps
2001-12-14 07:18:31 +00:00
Luigi Rizzo
268cc03905 Remove printf's on mbuf/cluster allocation failures. There are now
equivalent and less dangerous (rate limited) messages in
the mbuf allocation code.

MFC after: 3 days
2001-12-14 05:56:35 +00:00
Kirk McKusick
d8bddaa85d Add disk I/O scheduling for positively niced processes.
When a positively niced process requests a disk I/O, make
it wait for its nice value of ticks before scheduling its
I/O request if there are any other processes with I/O
requests in the disk queue. For all the gory details, see
the ``Running fsck in the Background'' paper in the Usenix
BSDCon 2002 Conference Proceedings, pages 55-64.
2001-12-14 05:50:44 +00:00
David Greenman
05463bb58d Moved the updating of if_ibytes from ether_demux() to ether_input() to fix
a bug where the interface input bytes count wasn't updated when bridging
is enabled.

MFC after:	3 days
2001-12-14 04:41:07 +00:00
Matthew Dillon
7ca592e093 Too many people are compiling kernels with maxusers set to 0 without the new
config.  Hack the kernel to force auto-sizing if the old config is used.
2001-12-14 04:01:08 +00:00
Matthew Dillon
3ebeaf5984 This fixes a large number of bugs in our NFS client side code. A recent
commit by Kirk also fixed a softupdates bug that could easily be triggered
by server side NFS.

	* An edge case with shared R+W mmap()'s and truncate whereby
	  the system would inappropriately clear the dirty bits on
	  still-dirty data.  (applicable to all filesystems)

	  THIS FIX TEMPORARILY DISABLED PENDING FURTHER TESTING.
	  see vm/vm_page.c line 1641

	* The straddle case for VM pages and buffer cache buffers when
	  truncating.  (applicable to NFS client side)

	* Possible SMP database corruption due to vm_pager_unmap_page()
	  not clearing the TLB for the other cpu's.  (applicable to NFS
	  client side but could effect all filesystems).  Note: not
	  considered serious since the corruption occurs beyond the file
	  EOF.

	* When flusing a dirty buffer due to B_CACHE getting cleared,
	  we were accidently setting B_CACHE again (that is, bwrite() sets
	  B_CACHE), when we really want it to stay clear after the write
	  is complete.  This resulted in a corrupt buffer.  (applicable
	  to all filesystems but probably only triggered by NFS)

	* We have to call vtruncbuf() when ftruncate()ing to remove
	  any buffer cache buffers.  This is still tentitive, I may
	  be able to remove it due to the second bug fix.  (applicable
	  to NFS client side)

	* vnode_pager_setsize() race against nfs_vinvalbuf()... we have
	  to set n_size before calling nfs_vinvalbuf or the NFS code
	  may recursively vnode_pager_setsize() to the original value
	  before the truncate.  This is what was causing the user mmap
	  bus faults in the nfs tester program.  (applicable to NFS
	  client side)

	* Fix to softupdates (see ufs/ffs/ffs_inode.c 1.73, commit made
	  by Kirk).

Testing program written by: Avadis Tevanian, Jr.
Testing program supplied by: jkh / Apple (see Dec2001 posting to freebsd-hackers with Subject 'NFS: How to make FreeBS fall on its face in one easy step')
MFC after:	1 week
2001-12-14 01:16:57 +00:00
Matthew Dillon
c8b4c292c0 Add maxusers auto-sizing description to NOTES file for -current 2001-12-14 01:01:20 +00:00
Robert Watson
48f1ba5b0d o Wording fix in comment.
Submitted by:	tanimura via p4
2001-12-14 00:38:01 +00:00
Kirk McKusick
cc5a92334f Minimize the time necessary to suspend operations on a filesystem
when taking a snapshot. The two time consuming operations are
scanning all the filesystem bitmaps to determine which blocks
are in use and scanning all the other snapshots so as to be able
to expunge their blocks from the view of the current snapshot.
The bitmap scanning is broken into two passes. Before suspending
the filesystem all bitmaps are scanned. After the suspension,
those bitmaps that changed after being scanned the first time
are rescanned. Typically there are few bitmaps that need to be
rescanned. The expunging of other snapshots is now done after
the suspension is released by observing that we can easily
identify any blocks that were allocated to them after the
suspension (they will be maked as `not needing to be copied'
in the just created snapshot). For all the gory details, see
the ``Running fsck in the Background'' paper in the Usenix
BSDCon 2002 Conference Proceedings, pages 55-64.
2001-12-14 00:15:06 +00:00
David E. O'Brien
f414f5dc5c Convert C++ style comments to proper C ones.
Clean up C comments just a tad.
Fix ID's.
2001-12-13 23:48:34 +00:00
Peter Wemm
9446b36bab If we were called to allocate a vnode that is not associated with a
mount point, do not dereference the NULL mp argument.
2001-12-13 23:46:01 +00:00
Brian Feldman
63b42c1943 Remove stale prototype for sonewconn3(). 2001-12-13 22:16:54 +00:00
Robert Watson
f8cf411e49 o Back out portions of 1.50 and 1.47, eliminating sonewconn3() and
always deriving the credential for a newly accepted connection from
  the listen socket.  Previously, the selection of the credential
  depended on the protocol: UNIX domain sockets would use the
  connecting process's credential, and protocols supporting a creation
  of the socket before the receiving end called accept() would use
  the listening socket.  After this change, it is always the listening
  credential.

Reviewed by:	green
2001-12-13 22:09:37 +00:00
Mike Silbersack
ebacce5e99 Limit maxprocperuid to 9/10 maxproc, and limit maxfilesperproc to 9/10
maxfiles.  This should make local resource exhaustion attacks easier
to handle with a non-tweaked setup.

MFC after:	3 days
2001-12-13 20:00:45 +00:00
John Baldwin
7118b0c4c3 Use C comments instead of C++ comments.
Reported by:	gcc30
2001-12-13 19:54:12 +00:00
Jonathan Lemon
001cfa9228 Tone down and remove some obnoxious warnings that are slightly overkill. 2001-12-13 16:13:31 +00:00
Sheldon Hearn
53f09e7248 Add module dependency on libmchain.
With this change, mounting an smb share (using mount_smb, which is not
yet included in the tree) without any of smbfs, libiconv or libmchain
compiled into the kernel or loaded works.
2001-12-13 13:08:34 +00:00
John Baldwin
40ec4d938e Use ANSI C string contatenation instead of a multi-line string literal.
Reported by:	gcc30
2001-12-13 11:14:28 +00:00
John Baldwin
19f0fedd94 Comment tokens after #undef <macroname> and #endif.
Reported by:	gcc30
2001-12-13 11:12:30 +00:00
John Baldwin
69e9495750 Use a per-thread variable for keeping state when a thread is processing
a KTR log entry.  Any KTR requests made while working on an entry are
ignored/discarded to prevent recursion.  This is a better fix for the
hack to futz with the CPU mask and call getnanotime() if KTR_LOCK or
KTR_WITNESS was on.  It also covers the actual formatting of the log entry
including dumping it to the display which the earlier hacks did not.
2001-12-13 10:33:20 +00:00
Kirk McKusick
9db12e5108 When a file is partially truncated, we first check to see if the
new file end will land in the middle of a file hole. Since the last
block of a file must always be allocated, the hole is filled by
allocating a block at that location. If the hole being filled is
a direct block, then the truncation may eventually reduce the
full sized block down to a fragment. When running with soft
updates, it is necessary to FSYNC the file after allocating the
block and before creating the fragment to avoid triggering a
soft updates inconsistency when the block unexpectedly shrinks.

Found by:	Matthew Dillon <dillon@apollo.backplane.com>
MFC after:	1 week
2001-12-13 05:07:48 +00:00
Jonathan Lemon
04cad5adb1 Undo one of my last minute changes; move sc_iss up earlier so it
is initialized in case we take the T/TCP path.
2001-12-13 04:05:26 +00:00
Jonathan Lemon
7c183182bf Fix up tabs from cut&n&paste. 2001-12-13 04:02:31 +00:00
Jonathan Lemon
0ef3206bf5 Fix up tabs in comments. 2001-12-13 04:02:09 +00:00
Jonathan Lemon
eaa6d8efe5 Minor style fixes. 2001-12-13 04:01:23 +00:00
Jonathan Lemon
c448c89c59 Minor style fix. 2001-12-13 04:01:01 +00:00
Matt Jacob
5b7cc8d153 Roll firmware to latest offerings... Fixes a number of f/w related
bugs.

MFC after:	1 week
2001-12-13 00:09:06 +00:00
Warner Losh
ebc7a029f4 Sync to pccarddevs 1.25 2001-12-12 20:06:29 +00:00
Warner Losh
a7958b9d73 Move LINKSYS2 to its correct numerical location.
Add BONDWELL B236 Game Card Joystick.  A PC Card joystick card.
2001-12-12 20:05:48 +00:00
Maxim Sobolev
1f891ff9ef Add DIVA USB mp3 player.
Submitted by:	Olexander Kunytsa <kunia@x-telecom.net>
MFC after:	3 days
2001-12-12 15:58:23 +00:00
Yoshihiro Takahashi
c47b0cd2c6 MFi386: revision 1.35 (Add support for writing to BIOS disks) 2001-12-12 13:47:04 +00:00
Yoshihiro Takahashi
f169825e02 MFi386: revision 1.485 (the previous commit is not completely) 2001-12-12 12:27:59 +00:00
Sheldon Hearn
0e3b6d50d4 Connect libiconv to the build.
Recent work by fjoe and bp has fixed smbfs.  The smbfs module
can now be loaded once libiconv and libmchain have been loaded,
and works!
2001-12-12 10:11:16 +00:00
Alfred Perlstein
118fdf009f Fix select on named pipes without a reader.
PR: kern/19871
MFC after: 1 month
2001-12-12 09:35:33 +00:00
John Baldwin
341260fb20 Axe an unneeded PCPU_SET(spinlocks, NULL) that I missed earlier. 2001-12-12 08:07:41 +00:00
Andrew R. Reiter
83aee5a8d5 - Move _jail sysctl node underneath _kern_security in order to standardize
where our security related sysctl tuneables are located.  Also, this
  will help if/when we move _security node out from under _kern as to help
  make _kern less cluttered.

Approved by:	rwatson
Review by:	rwatson
2001-12-12 05:23:20 +00:00
John Baldwin
0bbc882680 Overhaul the per-CPU support a bit:
- The MI portions of struct globaldata have been consolidated into a MI
  struct pcpu.  The MD per-CPU data are specified via a macro defined in
  machine/pcpu.h.  A macro was chosen over a struct mdpcpu so that the
  interface would be cleaner (PCPU_GET(my_md_field) vs.
  PCPU_GET(md.md_my_md_field)).
- All references to globaldata are changed to pcpu instead.  In a UP kernel,
  this data was stored as global variables which is where the original name
  came from.  In an SMP world this data is per-CPU and ideally private to each
  CPU outside of the context of debuggers.  This also included combining
  machine/globaldata.h and machine/globals.h into machine/pcpu.h.
- The pointer to the thread using the FPU on i386 was renamed from
  npxthread to fpcurthread to be identical with other architectures.
- Make the show pcpu ddb command MI with a MD callout to display MD
  fields.
- The globaldata_register() function was renamed to pcpu_init() and now
  init's MI fields of a struct pcpu in addition to registering it with
  the internal array and list.
- A pcpu_destroy() function was added to remove a struct pcpu from the
  internal array and list.

Tested on:	alpha, i386
Reviewed by:	peter, jake
2001-12-11 23:33:44 +00:00
Matt Jacob
c748b5e634 Explicitly decode GetAllNext SNS Response back *as*
a GetAllNext response. Otherwise, we won't unswizzle
it correctly. This was found on linux/PPC.

This mandated creating another inline: isp_get_gan_response.
2001-12-11 21:58:04 +00:00
Brian Feldman
41a35633ba Add VOP_GETEXTATTR(9) passthrough support to pseudofs.
Obtained from:	TrustedBSD Project
Sponsored by:	DARPA, NAI Labs
2001-12-11 20:48:20 +00:00
Dag-Erling Smørgrav
40e7a740c9 Remove an obsolete prototype for procfs_kmemaccess().
Submitted by:	rwatson
2001-12-11 19:07:10 +00:00
Sheldon Hearn
9144eed401 Correct a comment that should have been updated in rev 1.43, when
CIRCLEQ was removed.

PR:		kern/32688
Submitted by:	Jordan DeLong <fracture@allusion.net>
2001-12-11 11:49:58 +00:00
Guido van Rooij
f4029c1446 Fix boot -p for DDBless kernels
Pointed out by: John Hay <jhay@icomtek.csir.co.za>
2001-12-11 10:21:26 +00:00
Peter Wemm
b21d3f5c61 Wrap Dangerously Dedicated printf under if (bootverbose) 2001-12-11 05:35:43 +00:00
Luigi Rizzo
2dfc960a5b Avoid an unnecessary copy of a packet if it is already in a single mbuf.
Introduce an additional device flag for those NICs which require the
transmit buffers to be aligned to 32-bit boundaries.

(the equivalen fix for STABLE is slightly simpler because there are
no supported chips which require this alignment there.)
2001-12-11 02:47:53 +00:00
Peter Wemm
eaef715000 Delete some leftover code from a bygone age. We dont have an array of
IdlePTDS anymore and dont to the PTD[MPPTDI] swapping etc.
2001-12-11 01:17:40 +00:00
John Baldwin
0889b9be41 - Add 'fwrite' and 'fseek' words for writing to and seeking on files.
- Change the 'fopen' keyword to accept a mode parameter.  Note that this
  will break existing 4th scripts that use fopen.  Thus, the loader
  version has been bumped and loader.4th has been changed to check for a
  sufficient version on i386 and alpha.  Be sure that you either do a full
  world build or install or full build and install of sys/boot after this
  since loader.old won't work with the new 4th files and vice versa.

PR:		kern/32389
Submitted by:	Jonathan Mini <mini@haikugeek.com>
Sponsored by:	ClickArray, Inc.
2001-12-11 00:49:34 +00:00
Matt Jacob
4fd13c1ba2 Major restructuring for swizzling to the request queue and unswizzling from
the response queue. Instead of the ad hoc ISP_SWIZZLE_REQUEST, we now have
a complete set of inline functions in isp_inline.h. Each platform is
responsible for providing just one of a set of ISP_IOX_{GET,PUT}{8,16,32}
macros.

The reason this needs to be done is that we need to have a single set of
functions that will work correctly on multiple architectures for both little
and big endian machines. It also needs to work correctly in the case that
we have the request or response queues in memory that has to be treated
specially (e.g., have ddi_dma_sync called on it for Solaris after we update
it or before we read from it). It also has to handle the SBus cards (for
platforms that have them) which, while on a Big Endian machine, do *not*
require *most* of the request/response queue entry fields to be swizzled
or unswizzled.

One thing that falls out of this is that we no longer build requests in the
request queue itself. Instead, we build the request locally (e.g., on the
stack) and then as part of the swizzling operation, copy it to the request
queue entry we've allocated. I thought long and hard about whether this was
too expensive a change to make as it in a lot of cases requires an extra
copy. On balance, the flexbility is worth it. With any luck, the entry that
we build locally stays in a processor writeback cache (after all, it's only
64 bytes) so that the cost of actually flushing it to the memory area that is
the shared queue with the PCI device is not all that expensive. We may examine
this again and try to get clever in the future to try and avoid copies.

Another change that falls out of this is that MEMORYBARRIER should be taken
a lot more seriously. The macro ISP_ADD_REQUEST does a MEMORYBARRIER on the
entry being added. But there had been many other places this had been missing.
It's now very important that it be done.

Additional changes:

Fix a longstanding buglet of sorts. When we get an entry via isp_getrqentry,
the iptr value that gets returned is the value we intend to eventually plug
into the ISP registers as the entry *one past* the last one we've written-
*not* the current entry we're updating. All along we've been calling sync
functions on the wrong index value. Argh. The 'fix' here is to rename all
'iptr' variables as 'nxti' to remember that this is the 'next' pointer-
not the current pointer.

Devote a single bit to mboxbsy- and set aside bits for output mbox registers
that we need to pick up- we can have at least one command which does not
have any defined output registers (MBOX_EXECUTE_FIRMWARE).

MFC after:	2 weeks
2001-12-11 00:18:45 +00:00
John Baldwin
4543c86ece Add support for writing blocks to the loader's disk cache.
PR:		kern/32389
Submitted by:	Jonathan Mini <mini@haikugeek.com>
Sponsored by:	ClickArray, Inc.
2001-12-11 00:10:00 +00:00
John Baldwin
3c3a6fe0e0 Add support for writing to BIOS disks.
PR:		kern/32389
Submitted by:	Jonathan Mini <mini@haikugeek.com>
Sponsored by:	ClickArray, Inc.
2001-12-11 00:08:10 +00:00
David E. O'Brien
071087f3d7 Missed an assignment of arg6 in previous commit. 2001-12-10 20:58:39 +00:00
Guido van Rooij
b60e55dbd0 Get rid of irritating (bogus) message:
pcm0: ac97 codec failed to reset extended mode (0, got 80)
This was due to not masking off the correct extended function bits
in the read value from the extended status reg.

MFC after:	2 days
2001-12-10 20:27:18 +00:00
David E. O'Brien
b45df7b4ae Adjust for the addition of CTR6. 2001-12-10 20:18:17 +00:00
David E. O'Brien
54d07f7672 Complete the CTR6 addition (and TR6 and ITR6...) 2001-12-10 20:09:49 +00:00
Guido van Rooij
28703190c5 Add new boot flag to i386 boot: -p.
This flag adds a pausing utility. When ran with -p, during the kernel
probing phase, the kernel will pause after each line of output.
This pausing can be ended with the '.' key, and is automatically
suspended when entering ddb.

This flag comes in handy at systems without a serial port that either hang
during booting or reser.
Reviewed by:	(partly by jlemon)
MFC after:	1 week
2001-12-10 20:02:22 +00:00
Sheldon Hearn
06aa84ddfe Regen from usbdevs rev 1.70: added some AGFA scanners 2001-12-10 11:46:23 +00:00
Sheldon Hearn
56429b663c Add some AGFA scanners:
SnapScan 1236U	SnapScan e20
	SnapScan e25	SnapScan e26
	SnapScan e40	SnapScan e50
	SnapScan e52

PR:	kern/32649
Submitted by:	"Erik H. Bakke" <ebakke@trolltech.com>
2001-12-10 11:40:38 +00:00
David E. O'Brien
956d569b10 I missed a string concatenation. 2001-12-10 09:34:47 +00:00
Murray Stokely
b0ae3ab3fe Add identification string for AMD-761 host to PCI bridge.
PR:	kern/32255
2001-12-10 09:27:00 +00:00
David E. O'Brien
6e551fb628 Update to C99, s/__FUNCTION__/__func__/,
also don't use ANSI string concatenation.
2001-12-10 08:09:49 +00:00
David E. O'Brien
36048c2e3d Update to C99, s/__FUNCTION__/__func__/. 2001-12-10 05:58:28 +00:00
David E. O'Brien
a48740b6c5 Update to C99, s/__FUNCTION__/__func__/. 2001-12-10 05:51:45 +00:00
David E. O'Brien
91f9161737 Repeat after me -- "Use of ANSI string concatenation can be bad."
In this case, C99's __func__ is properly defined as:

	static const char __func__[] = "function-name";

and GCC 3.1 will not allow it to be used in bogus string concatenation.
2001-12-10 05:40:12 +00:00
David E. O'Brien
c94659ae01 Add a CTR6, we need it now. 2001-12-10 05:38:23 +00:00
Alan Cox
604035c5f2 o Eliminate compilation warnings on 64-bit architectures. 2001-12-10 03:34:06 +00:00
Noriaki Mitsunaga
14f81be9aa Remove PAO3 dependent part where I missed to remove at last commit. 2001-12-10 02:07:34 +00:00
Ian Dowse
b7fee4d50b Add a NO_6_BYTE quirk for the D-series olympus digital cameras.
PR:		kern/31250
Submitted by:	Bryan Liesner <bleez@bellatlantic.net>
2001-12-09 21:38:33 +00:00
David E. O'Brien
0aecb59b53 We need machine/{signal,ucontext}.h to build a cross GCC compiler.
So craft the proper versions of these and commit em.
2001-12-09 19:39:49 +00:00
David E. O'Brien
e45ee973f9 Following sys/i386/include/ansi.h rev 1.33, add additional integer types
in <machine/ansi.h> and that are required by <sys/stdint.h>.
2001-12-09 19:38:21 +00:00