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4775 Commits

Author SHA1 Message Date
Jordan K. Hubbard
10fd4c5933 Add an entry for my HP Model 4020i CDR drive. 1996-01-31 07:32:11 +00:00
John Dyson
4ab7a1a6c7 Fix another problem with the new pipe code, pointed out by Bruce Evans. 
This one fixes a problem with interactions with signals.
 1996-01-31 06:00:45 +00:00
Satoshi Asami
3bc746be91 Mirror support. When CCDF_MIRROR is set: 
(1) The reads are always done from the first n/2 disks.

(2) Each write is done twice, to the "data" disk (in the first half) and
    the "mirror" disk (in the second half).

ccdbuffer() now takes an extra argument (struct ccdbuf **) and stores
the pointer to ccdbuf in there.  In case of a mirrored write, it
allocates and stores two pointers.  The "residual" is also doubled
for mirrored writes so that ccdiodone() can correctly tell when all
the writes are done.
 1996-01-31 03:28:21 +00:00
John Dyson
56363b79a9 Fix some problems with return codes on the new pipe stuff. Bruce Evans 
found the problems, and this commit will fix the "first batch" :-).
 1996-01-31 02:05:12 +00:00
Mike Pritchard
71d9c7815e Fix a bunch of spelling errors in the comment fields 
of a bunch of system include files.
 1996-01-30 23:33:04 +00:00
Andrey A. Chernov
dff88dc420 Audio part: various improvements from NetBSD driver 
Convert LBA to network order now
 1996-01-30 23:27:20 +00:00
Andrey A. Chernov
42f5e5cdbe Bugfix: don't convert LBA to host order, they must stay in network order. 1996-01-30 23:11:45 +00:00
Andrey A. Chernov
5d33645207 Don't convert LBA to host order, they must stay in network order 
as old code does.
 1996-01-30 23:11:06 +00:00
Mike Pritchard
6c5e9bbdf5 Fix a bunch of spelling errors in the comment fields of 
a bunch of system include files.
 1996-01-30 23:02:38 +00:00
Satoshi Asami
09b5920411 Prepare for adding mirroring. Check for flags (mirror forces uniform), 
reduce the size to half, etc.  Right now it only uses the first n/2 disks
for both read and write.
 1996-01-30 22:34:53 +00:00
Satoshi Asami
52aa774abe Add mirror flag. 1996-01-30 22:33:31 +00:00
Garrett Wollman
8ca67119ca Fix a logic error in determining whether something is page-aligned 
that became evident while I was thinking about something else.
(No, I am not working on the wd driver itself.)
 1996-01-30 19:04:09 +00:00
Garrett Wollman
3addba4f55 No longer use the cyclecounter to attempt to correct for late or missed 
clock interrupts.

Keep a 1-in-16 smoothed average of the length of each tick.  If the
CPU speed is correctly diagnosed, this should give experienced users
enough information to figure out a more suitable value for `tick'.
 1996-01-30 18:56:47 +00:00
Andrey A. Chernov
ba6d026ac8 OOPS, forget to adjust starting track to not physically read 
leadout entry
 1996-01-30 16:38:30 +00:00
Andrey A. Chernov
62bdf2b7c6 Use ntohs/ntohl when reading TOC instead of hardcoded byte swapping. 
Put fake entry len for MSF format too.
 1996-01-30 16:12:18 +00:00
Andrey A. Chernov
48ce3c2cee Calculate leadout entry instead of honor ATAPI request 
(it can be wrong for some devices)
 1996-01-30 15:25:12 +00:00
Andrey A. Chernov
b7d2756067 READTOCENTRYS: make fake leadout entry 1996-01-30 14:30:43 +00:00
Andrey A. Chernov
e407db3cbc READTOCENTRYS: protect against stack overflow when incorrect data 
stored in CD's TOC
 1996-01-30 13:15:28 +00:00
Andrey A. Chernov
e9a22c0c14 READTOCENTRYS: handle 0 and lead out requests, add argument checking 1996-01-30 12:59:00 +00:00
David Greenman
b09fb6432d savectx() strikes again: the saved stack pointer wasn't properly adjusted 
to remove the return address. It's only the frame pointer and luck that
allowed the code to work at all.
 1996-01-30 12:54:21 +00:00
Peter Wemm
8cbf6e5894 Call pipe_stat() when presented with a DTYPE_PIPE file in the linux 
fstat() syscall, rather than panic("linux newfstat").

(Note: I've extracted this from a larger set of diffs, I'm confident I've
 not missed any dependencies but can't modload it to test it on my system)
 1996-01-30 12:23:17 +00:00
Andrey A. Chernov
685a5a0b51 Don't generate EINVAL for data_len too big in READTOCENTRYS, it 
reduces automatically to reasonable value in the code below
 1996-01-30 12:07:15 +00:00
Andrey A. Chernov
71517d7ccf Fix READTOCENTRYS partialy based on kientzle@netcom.com patch partialy on 
my own ideas
 1996-01-30 11:32:20 +00:00
Andrey A. Chernov
bc7805ece3 Fix audio part, especially READTOCENTRYS inspired by NetBSD driver 
and my own ideas
 1996-01-30 10:31:12 +00:00
David Greenman
3dd78b2bcd Increase tmpstk size to 8K and make certain it is longword aligned. 1996-01-30 07:59:02 +00:00
David Greenman
ab11bf854a Restore my change to the watchdog params that Paul spammed in rev 1.18. 1996-01-30 07:25:44 +00:00
Mike Pritchard
fcf6d7e758 Fix a typo in a comment. 1996-01-30 02:56:08 +00:00
Stefan Eßer
dcf289cdb5 Add heuristic to detect multi-function devices that don't announce this 
feature in the header type register, though it is required by the PCI spec.
This should correctly probe both functions of the Intel 82371FB chip,
without the need for a special case based on the device ID.
 1996-01-30 01:14:29 +00:00
Joerg Wunsch
5044d1ff0b Remove redundant declaration for worminit(). Dunno why my config(8) 
didn't generate it, but it's supposed to.
 1996-01-29 19:46:26 +00:00
David Greenman
2c68345ab4 Added a check/panic for vm_map_find failing to find space for the page 
tables/u-pages when forking. This is a "can't happen" case. :-)
 1996-01-29 12:10:30 +00:00
David Greenman
07bbd7f1bb Implement what I mentioned in rev 1.18: limit per-bucket allocations to 
60% of physical memory or 60% of malloc area size, whichever is smaller.
 1996-01-29 11:12:37 +00:00
David Greenman
54e7152c15 Fixed two bugs in the calculation of the malloc area (kmem_map) size: 
1) The calculation didn't account for NMBCLUSTERS, so if a large number of
   clusters was specified, it would leave little or no space for kernel
   malloc.
2) It was bogusly restricted to v_page_count. This doesn't take into
   account the sparseness of the malloc area and would have caused
   problems on machines with small amounts of memory. It should probably
   instead be changed to set the malloc limit to be constrained by
   the amount of memory, but I didn't do this.
 1996-01-29 09:58:34 +00:00
Justin T. Gibbs
7db797deb6 Add LIST_INSERT_BEFORE and TAILQ_INSERT_BEFORE. These are used by the 
new eisaconf code.
 1996-01-29 03:20:44 +00:00
Justin T. Gibbs
299bb9dbd6 Prevent media eject on first open and re-enable ejection on last close. 
The previous behavior was based on the lifetime of a "mount session"
which isn't very obvious.
 1996-01-29 03:19:23 +00:00
Justin T. Gibbs
0fed413e64 Update copyright. 1996-01-29 03:18:20 +00:00
Justin T. Gibbs
65ed8cbd4e Kernel printf now returns int. 1996-01-29 03:18:05 +00:00
Justin T. Gibbs
4697fd511e Changes to support Performance enhancements in the sequencer. 
Bring back the polling code (for dumps mostly), but protect it
with splbio() to make it safe for reprobes.
 1996-01-29 03:17:39 +00:00
Justin T. Gibbs
4a1e5d799a Finally commit Serge's multicast and "misc other changes" patch. I 
don't have a network to test it on here, but it does probe my card okay.

Submitted by: "Serge A. Babkin" <babkin@hq.icb.chel.su>
 1996-01-29 03:16:14 +00:00
Justin T. Gibbs
b18d8f49f2 Another pass through eisaconf. Ioaddrs and Maddrs are link lists now. 
The Bt driver is the only one that actually registers multiple addresses.

Probe output is formatted to 80 columns.
 1996-01-29 03:13:23 +00:00
Justin T. Gibbs
5327d59536 Performance optimizations. Unroll all bcopies. Use PIO to transfer SCBs 
since setting up the DMA is too costly.  Restructure for efficiency.

Pause the sequencer when a parity error occurs so that the kernel driver
knows during which phase the error was encountered.
 1996-01-29 03:12:06 +00:00
John Dyson
4fd00d508b Fixed an uninitialized variable (argument to vm_map_find) -- problem 
that DG detected, and promptly found a fix.
Submitted by:	davidg
 1996-01-29 02:57:33 +00:00
John Dyson
89d1440458 Added sys_pipe into files. 1996-01-28 23:43:06 +00:00
John Dyson
f982721359 Enable the new fast pipe code. The old pipes can be used with the 
"OLD_PIPE" config option.
 1996-01-28 23:41:40 +00:00
John Dyson
10c5615c1d Added new files to support the new fast pipes. After the follow-on 
commits, pipe performance should increase significantly.  The pipe(2)
system call is currently supported, while fifofs will be added later.
 1996-01-28 23:38:26 +00:00
Joerg Wunsch
adb2fd2d93 Make worm.c compile with -Wall -Werror again. 
. remove some unused variables
. declare worminit() right this time, it's actually extern (?)
. use wormminphys(), now that it's already there (hope i've got this right)
 1996-01-28 23:33:23 +00:00
Julian Elischer
1c07bf3556 Submitted by: rich (which one?) 
Another special case for probing multi-CD cdrom drives.

2nd try at this patch.
 1996-01-28 22:41:44 +00:00
Garrett Wollman
5dec5a0060 Implement a prototype interface to bus-master IDE DMA on the Triton 
chipset.  This does not attempt to do anything special with the timing
on the hope that the BIOS will have done the right thing already.  The
actual interface from the wd driver to the new facility is not
implemented yet (this commit being an attempt at prodding someone else
to do it because looking at the wd driver always confuses the h*** out of me).
 1996-01-28 22:16:20 +00:00
Jordan K. Hubbard
93f4df92ad Back out the previous change. It's not correct for -current. 1996-01-28 21:51:57 +00:00
Jordan K. Hubbard
b73daed8ca Add an entry for the "MBR-7", whatever that is. 
Submitted by:	rich
 1996-01-28 20:43:49 +00:00
Jordan K. Hubbard
e2c0b0985f 3c590 driver for FreeBSD 
Submitted by:	Frederick Earl Gray <fgray@owlnet.rice.edu>
 1996-01-28 20:31:11 +00:00