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405 commits

Author SHA1 Message Date
Ben Gras
9b33056d2b make allocmem accept and return values in bytes, ramdisk expects this. 2008-11-19 15:40:17 +00:00
Ben Gras
51fdce1d36 minor fixes 2008-11-19 14:10:33 +00:00
Ben Gras
6c92081a5a paged mode is default. 2008-11-19 13:19:37 +00:00
Ben Gras
7b3d952a77 lingering file 2008-11-19 12:38:31 +00:00
Ben Gras
c078ec0331 Basic VM and other minor improvements. 
Not complete, probably not fully debugged or optimized.
 2008-11-19 12:26:10 +00:00
David van Moolenbroek
f73b541952 Backport of fix from asynchvfs branch for PM-LOG-VFS-PM deadlock that resulted in VFS panics. 2008-06-24 13:53:03 +00:00
Philip Homburg
4696d74480 Select support for eth by Erik van der Kouwe. 2008-03-12 14:10:21 +00:00
Philip Homburg
9d62f56ea1 SYS_MAPDMAx -> SYS_MAPDMA. 2008-02-25 14:36:28 +00:00
Philip Homburg
f82a1c4df7 Fixed include files. 2008-02-25 14:35:54 +00:00
Philip Homburg
bc7e3c02a3 Asynchronous select implementation. 2008-02-22 15:46:59 +00:00
Philip Homburg
ff7eae2ad8 Private copy of kputc to support asynch communication with log device. 2008-02-22 15:43:33 +00:00
Philip Homburg
2ec762c60c Asynchronous communication with character specials. 2008-02-22 15:41:07 +00:00
Philip Homburg
d9a9b727e2 Added dmap_async_driver and dmap_sel_filp fields. Support for asynch character 
drivers (needs cleaning up).
 2008-02-22 15:01:00 +00:00
Philip Homburg
9df94c5ee8 Use dev_t instead of Dev_t in structures. 2008-02-22 14:54:00 +00:00
Philip Homburg
097d8fee66 Use nonblocking send for reply. Support for asynchronous message passing 
(needs cleaning up).
 2008-02-22 14:53:02 +00:00
Philip Homburg
66c930ef8b Higher NCALLS requires bigger table. New calls are in PM. 2008-02-22 14:51:38 +00:00
Philip Homburg
93ff4c327f Added XDOPEN. 2008-02-22 14:50:41 +00:00
Philip Homburg
9388a27070 Support for O_REOPEN flag and pass the filp numbet to dev_open. 2008-02-22 14:49:02 +00:00
Philip Homburg
7387449b23 Support for suspending on character device open and on drivers that need to 
be restarted.
 2008-02-22 14:47:40 +00:00
Philip Homburg
ca91b3b5be New fp_flags. Currently used to signal that is process should be suspended 
a driver is restarted.
 2008-02-22 14:32:23 +00:00
Philip Homburg
6ef71b8198 Pass suspend_reopen flag to dev_io. 2008-02-22 14:26:41 +00:00
Philip Homburg
047cc090e4 Added filp_state for driver recovery and filp_select_flags to store select 
state for character specials that use asynch I/O.
 2008-02-22 14:19:23 +00:00
Philip Homburg
1d7d5aa629 dev_close needs the filp number for asynch I/O, dev_io gets suspend_reopen 
flag to suspend a process until the filedescriptor is re-opened. Added 
dev_reopen, asyn_io, suspended_ep, reopen_reply, asynsend, diag_repl, 
close_filp, close_reply, unpause, select_reply1, select_reply2.
 2008-02-22 14:03:14 +00:00
Philip Homburg
e5df351245 Support for blocking open on char specials (due to asynch message passing), 
asynch. close, added close_filp function.
 2008-02-22 13:57:11 +00:00
Philip Homburg
1cffa69d2c Support for I/O MMU: do not re-use a memory segment until the I/O MMU has 
removed it from its map.
 2008-02-21 16:33:34 +00:00
Philip Homburg
3f23bca404 Removed defines not needed by mfs (XPIPE, XLOCK, XPOPEN, XSELECT, DUP_MASK). 2008-02-21 16:22:36 +00:00
Philip Homburg
ca8291c815 Support for restricting limiting IPC to a set of endpoints. Not enabled by 
default, pass -i to service. Do not reply to bogus request types. Reply using
sendnb.
 2008-02-21 16:20:22 +00:00
Philip Homburg
d9858cfabf Removed some debug output. 2008-02-21 16:08:08 +00:00
Ben Gras
2876d5c4ba Optimization in searching for new zones to allocate contributed 
by Jens de Smit.
 2008-02-06 15:05:57 +00:00
Ben Gras
67d1b67805 exit prototype 2007-10-23 14:19:16 +00:00
Ben Gras
e8aec69c7b tweak to panic functions of mfs and vfs. 
. print newline
  . when recursive panic detected, don't simply return, confusing
    the caller, but print a diagnostic and exit
  . don't call sys_exit as this may confuse PM; it should be OK
    to call PM exit() nowadays.
 2007-10-23 14:17:51 +00:00
Ben Gras
21ae963cf1 Fixes two wrong grant return checks and one 'grant leak'. 2007-10-17 10:46:20 +00:00
Ben Gras
b6e07e1835 close device if mount fails after device opened. 2007-09-26 15:06:41 +00:00
Ben Gras
38604e4e3a Don't truncate read requests based on v_size; v_size can be stale in the 
case of directories extended by subfilesystem. Rely on subfilesystem to
do read size truncating and return actual i/o size. This fixes bug 81 in
gforge, and unbreaks test 23.
 2007-09-11 15:52:22 +00:00
Philip Homburg
ab3062c8c0 REQ_FSTATFS now operates on the root inode (the inode parameter has been 
removed)
 2007-08-17 11:20:59 +00:00
Philip Homburg
9c3f85d14f Better interface for sys_times. 2007-08-16 13:16:26 +00:00
Philip Homburg
4b1cd8c0ec Return EIO if a filedescriptor cannot be re-opened after a driver restart. 
Select now returns such a filedescriptor as ready (instead of EBADF). 
Reply before dev_up in FSSIGNON to avoid the problem that a DEV_OPEN
request is received by a driver that expects a reply from the FSSIGNON.
 2007-08-15 12:53:52 +00:00
Philip Homburg
90fde6e97d cleanup 2007-08-10 13:02:39 +00:00
Philip Homburg
06e1f0da61 Better recovery when req_readsuper fails. 2007-08-10 13:01:38 +00:00
Philip Homburg
57c6f099f2 Removed old debug code. 2007-08-08 15:27:07 +00:00
Philip Homburg
e2f06e7c89 Directory check before access check. 2007-08-08 15:26:47 +00:00
Philip Homburg
a116b3aa55 To return the right error, check first is an object is a directory (for 
mkdir, rmdir/unlink, mknod), simply pipe code by using v_pipe_rd_pos and
v_pipe_wr_pos directly. Some cleanup work in open.c
 2007-08-08 14:01:36 +00:00
Philip Homburg
c2bf536a55 Disable POSIX-required behavior wrt trailing slashes. 2007-08-08 11:40:47 +00:00
Philip Homburg
d232b2ef42 Removed invalid consistency check. 2007-08-07 14:27:19 +00:00
Philip Homburg
9c51f0b92a O_EXCL check went missing. 2007-08-07 14:26:56 +00:00
Philip Homburg
d01d630727 include "../vfs/dmap.h". 2007-08-07 13:26:25 +00:00
Philip Homburg
1b883a3613 Removed references to stacktrace. 2007-08-07 13:21:55 +00:00
Philip Homburg
a318cd291f Somehow request.c got garbled. 2007-08-07 13:12:27 +00:00
Philip Homburg
f46319037b New VFS interface 2007-08-07 12:52:47 +00:00
Philip Homburg
2ca2b86a3a Added new interface to VFS. 2007-08-07 12:38:35 +00:00