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64 Commits

Author SHA1 Message Date
aliguori
7c96d46ec2 Let snapshot work with protocols 
realpath will horribly mangle a protocol so avoid calling it if the backing
file is a protocol.



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5200 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-09-12 17:54:13 +00:00
aliguori
a3392f9b10 Only build compatfd when using AIO and make sure to always init AIO 
OpenBSD doesn't use AIO so don't try to build compatfd when not using AIO.

Also make sure to call qemu_aio_init() from bdrv_init.  Everything that uses
bdrv calls bdrv_init so it makes sense to init aio from there instead of
in every single tool.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5197 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-09-11 18:00:19 +00:00
aliguori
baf35cb902 Use signalfd() to work around signal/select race 
This patch introduces signalfd() to work around the signal/select race in
checking for AIO completions.  For platforms that don't support signalfd(), we
emulate it with threads.

There was a long discussion about this approach.  I don't believe there are any
fundamental problems with this approach and I believe eliminating the use of
signals is a good thing.

I've tested Windows and Linux using Windows and Linux guests.  I've also checked
for disk IO performance regressions.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5187 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-09-10 15:45:19 +00:00
blueswir1
79383c9c08 Fix some warnings that would be generated by gcc -Wredundant-decls 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5115 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-08-30 09:51:20 +00:00
aliguori
cd01b4a312 Fix windows build 
Right now, the Windows build is broken because of NBD.  Using a mingw32 cross
compiler is also badly broken.

This patch fixes the Windows build by stubbing out NBD support until someone
fixes it for Windows.  It also santizing the mingw32 cross compiler support
by replacing the --enable-mingw32 option with a compiler check to determine
if we're on windows or not.

Also remove the weird SDL pseudo-detection for mingw32 using a cross compiler.
The hardcoded sdl-config name is seemly arbitrary.  If you cross compiler SDL
correctly and modify your PATH variable appropriately, it will Just Work when
cross compiling.

The audio driver detection is also broken for cross compiling so you have to
specify the audio drivers explicitly for now.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>




git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5046 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-08-21 19:25:45 +00:00
ths
75818250ba Allow QEMU to connect directly to an NBD server, by Laurent Vivier. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4838 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-07-03 13:41:03 +00:00
ths
f58c7b3545 New qemu-img convert -B option, by Marc Bevand. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4672 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-06-05 21:53:49 +00:00
aurel32
34c6f05032 unlink the bs from bdrv-list upon bdrv_delete(bs) 
(Uri Lublin)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4179 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-04-08 19:51:21 +00:00
aurel32
b5eff35546 Revert fix for CVE-2008-0928. Will be fixed in a different way later. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4041 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-03-11 23:30:22 +00:00
aurel32
902b27d0b8 Fix CVE-2008-0928 - insufficient block device address range checking 
Qemu 0.9.1 and earlier does not perform range checks for block device
read or write requests, which allows guest host users with root
privileges to access arbitrary memory and escape the virtual machine.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4037 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-03-11 17:17:59 +00:00
aurel32
0badc1ee0e Honor TMPDIR environment variable 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4033 c046a42c-6fe2-441c-8c8c-71466251a162
 2008-03-10 00:05:34 +00:00
ths
985a03b0ce Real SCSI device passthrough (v4), by Laurent Vivier. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3851 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-12-24 16:10:43 +00:00
balrog
33f002714b Add "cache" parameter to "-drive" (Laurent Vivier). 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3848 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-12-24 14:33:24 +00:00
ths
96b8f136f5 Fix bdrv_get_geometry to return uint64_t, by Andre Przywara. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3825 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-12-17 01:35:20 +00:00
ths
a36e69ddfe Collecting block device statistics, by Richard W.M. Jones. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3760 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-12-02 05:18:19 +00:00
pbrook
9596ebb701 Add statics and missing #includes for prototypes. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3683 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-11-18 01:44:38 +00:00
pbrook
87ecb68bdf Break up vl.h. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3674 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-11-17 17:14:51 +00:00
pbrook
faf07963cb Split block API from vl.h. 
Remove QEMU_TOOL. Replace with QEMU_IMG and NEED_CPU_H.
Avoid linking qemu-img against whole system emulatior.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3578 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-11-11 02:51:17 +00:00
ths
3b46e62427 find -type f | xargs sed -i 's/[\t ]*$//g' # Yes, again. Note the star in the regex. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3177 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-09-17 08:09:54 +00:00
ths
5fafdf24ef find -type f | xargs sed -i 's/[\t ]$//g' # on most files 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-09-16 21:08:06 +00:00
ths
6ada7453aa Parallels disk image support, by Alex Beregszaszi. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3102 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-07-31 23:28:53 +00:00
ths
eb5c851f2d Use PATH_MAX for name lengths, by Sergey Vlasov. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2419 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-02-11 15:06:09 +00:00
ths
71c2fd5cdf Define ENOMEDIUM to match ENODEV if it isn't available. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2357 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-01-26 15:37:46 +00:00
ths
7f1c9da998 Darwin build fix, by Pierre d'Herbemont. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2334 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-01-18 22:43:16 +00:00
bellard
21664424ed path_is_absolute() fix for win32 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2307 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-01-07 18:22:37 +00:00
bellard
3b9f94e1a8 win32 block device fixes (initial patch by kazu) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2305 c046a42c-6fe2-441c-8c8c-71466251a162
 2007-01-07 17:27:07 +00:00
ths
fef3074347 Escape filname printout properly, by Anthony Liguori and Julian Seward. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2263 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-12-22 14:11:32 +00:00
bellard
a817d93656 fixed handling of relative filenames with -snapshot 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2136 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-08-24 19:53:37 +00:00
bellard
f45512feac win32 compilation fixes 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2134 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-08-23 21:40:13 +00:00
bellard
6b21b973ab fixed error handling 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2133 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-08-23 21:14:37 +00:00
bellard
19cb37389f better support of host drives 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2124 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-08-19 11:45:59 +00:00
bellard
90765429aa fixed aio emulation 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2099 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-08-07 19:10:16 +00:00
pbrook
ce1a14dc0d Dynamically allocate AIO Completion Blocks. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2098 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-08-07 02:38:06 +00:00
bellard
d15a771da1 qcow2 is now used for '-snapshot' - keep BlockDriverState.total_sectors 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2094 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-08-06 13:35:09 +00:00
bellard
faea38e786 multiple snapshot support 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2086 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-08-05 21:31:00 +00:00
bellard
83f6409109 async file I/O API 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2075 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-08-01 16:21:11 +00:00
bellard
beac80cd43 Windows sparse file support (Frediano Ziglio) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2027 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-06-26 20:08:57 +00:00
pbrook
7a6cba611d Disk cache flush support. 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1949 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-06-04 11:39:07 +00:00
bellard
ec530c81ef Solaris port (Ben Taylor) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1855 c046a42c-6fe2-441c-8c8c-71466251a162
 2006-04-25 22:36:06 +00:00
bellard
95389c8681 qcow_make_empty() support (Johannes Schindelin) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1716 c046a42c-6fe2-441c-8c8c-71466251a162
 2005-12-18 18:28:15 +00:00
bellard
79639d423f update boot sector when using -kernel (Magnus Damm) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1664 c046a42c-6fe2-441c-8c8c-71466251a162
 2005-11-26 10:58:41 +00:00
bellard
3b0d4f61c9 OS X: support for the built in CD-ROM drive (Mike Kronenberg) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1583 c046a42c-6fe2-441c-8c8c-71466251a162
 2005-10-30 18:30:10 +00:00
bellard
712e78744e probing fixes 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1425 c046a42c-6fe2-441c-8c8c-71466251a162
 2005-04-28 21:09:32 +00:00
bellard
6a0f9e82c5 Virtual PC read-only disk image support (Alex Beregszaszi) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1417 c046a42c-6fe2-441c-8c8c-71466251a162
 2005-04-27 20:17:58 +00:00
bellard
e5484d3391 BSD fix 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1413 c046a42c-6fe2-441c-8c8c-71466251a162
 2005-04-27 19:55:01 +00:00
bellard
7674e7bf08 BSD cdrom device access fix 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1412 c046a42c-6fe2-441c-8c8c-71466251a162
 2005-04-26 21:59:26 +00:00
bellard
c747cd1fa2 raw CDROM access for windows (Filip Navara) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1411 c046a42c-6fe2-441c-8c8c-71466251a162
 2005-04-26 21:47:02 +00:00
bellard
a8753c3466 Bochs disk image support (Alex Beregszaszi) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1409 c046a42c-6fe2-441c-8c8c-71466251a162
 2005-04-26 21:34:00 +00:00
bellard
585d0ed98b .dmg disk image format support (Johannes Schindelin) 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1171 c046a42c-6fe2-441c-8c8c-71466251a162
 2004-12-12 11:24:44 +00:00
bellard
46d4767d93 better BIOS ATA translation support 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1153 c046a42c-6fe2-441c-8c8c-71466251a162
 2004-11-16 01:45:27 +00:00