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Implement a threaded VNC server using the producer-consumer model.
The main thread will push encoding jobs (a list a rectangles to update)
in a queue, and the VNC worker thread will consume that queue and send
framebuffer updates to the output buffer.
The threaded VNC server can be enabled with ./configure --enable-vnc-thread.
If you don't want it, just use ./configure --disable-vnc-thread and a syncrhonous
queue of job will be used (which as exactly the same behavior as the old queue).
If you disable the VNC thread, all thread related code will not be built and there will
be no overhead.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Profiling with callgrind seems to show that a lot of time is spent
in the palette code (mostly due to memory allocation and qdict to int
conversion).
This patch adds a VncPalette implementation. The palette is stored
in a hash table, like qdict, but which does way less memory allocations,
and doesn't suffer from the QObject overhead.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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For the same reason that we don't use vnc-authentication-sasl.c but
vnc-auth-sals.c. Because it's tooooo long.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Move sdl, vnc, curses and cocoa UI into ui/ to cleanup
the root directory. Also remove some unnecessary explicit
targets from Makefile.
aliguori: fix build when srcdir != objdir
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Sheepdog is a distributed storage system for QEMU. It provides highly
available block level storage volumes to VMs like Amazon EBS. This
patch adds a qemu block driver for Sheepdog.
Sheepdog features are:
- No node in the cluster is special (no metadata node, no control
node, etc)
- Linear scalability in performance and capacity
- No single point of failure
- Autonomous management (zero configuration)
- Useful volume management support such as snapshot and cloning
- Thin provisioning
- Autonomous load balancing
The more details are available at the project site:
http://www.osrg.net/sheepdog/
Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Compile piix4 in hwlib. Two compilations less for the full build.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Huacai Chen <zltjiangshi@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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This patch adds required infrastructure for the new security model.
- A new configure option for attr/xattr.
- if CONFIG_VIRTFS will be defined if both CONFIG_LINUX and CONFIG_ATTR defined.
- Defines routines related to both security models.
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Conflicts:
hw/pc.c
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OS specific files are not target dependent, so they can be compiled
once for all targets.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Introduce OS specific cmdline argument handling by calling
os_parse_cmd_args() at the end of switch() statement. Move option
enum to qemu-options.h and have it included from os-posix.c and
os-win32.c in addition to vl.c.
In addition move SMB argument to os-posix.c
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Acked-by: Juan Quintela <quintela@redhat.com>
Acked-by: Richard Henderson <rth@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Rename qemu-options.h to qemu-options.def as it is not a header file
for general use and this leaves space for a proper qemu-options.h
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Acked-by: Juan Quintela <quintela@redhat.com>
Acked-by: Richard Henderson <rth@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Introcuce os-posix.c and move posix specific signal handling
there.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Acked-by: Juan Quintela <quintela@redhat.com>
Acked-by: Richard Henderson <rth@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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This introduces os-win32.c. It is meant to carry win32 specific
functions thata are not relevant for all of QEMU as well as win32
versions of various pieces like signal handling etc.
Move win32 polling handler helper functions from vl.c to os-win32.c
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Acked-by: Juan Quintela <quintela@redhat.com>
Acked-by: Richard Henderson <rth@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Anything that moves hundreds of lines out of vl.c can't be all bad.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add support for tight encoding [1]. This patch only add support
for "basic" tight compression without any filter.
[1] http://tigervnc.org/cgi-bin/rfbproto#tight-encoding.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Add a new cursor type to console.h and a bunch of functions to
deal with cursors the (new) cursor.c file.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Use a qemu_irq to request CPU exit.
7 compilations less for the full build.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Use a qemu_irq to indicate A20 line changes. Move I/O port 92
to pckbd.c.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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12 compilations less for the full build.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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This patch creates a new command line option named -fsdev to hold any file
system specific information.
The option will currently hold the following attributes:
-fsdev fstype id=id,path=path_to_share
where
fstype: Type of the file system.
id: Identifier used to refer to this fsdev
path: The path on the host that is identified by this fsdev.
[aneesh.kumar@linux.vnet.ibm.com: Abstraction using FsContext]
Signed-off-by: Gautham R Shenoy <ego@in.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This will allow to implement new encodings (tight, zrle, ..)
in a cleaner way. This may hurt performances, because some
functions like vnc_convert_pixel are not static anymore, but
should not be a problem with gcc 4.5 and the new -flto.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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We're running into various problems because the "raw" file access, which
is used internally by the various image formats is entangled with the
"raw" image format, which maps the VM view 1:1 to a file system.
This patch renames the raw file backends to the file protocol which
is treated like other protocols (e.g. nbd and http) and adds a new
"raw" image format which is just a wrapper around calls to the underlying
protocol.
The patch is surprisingly simple, besides changing the probing logical
in block.c to only look for image formats when using bdrv_open and
renaming of the old raw protocols to file there's almost nothing in there.
For creating images, a new bdrv_create_file is introduced which guesses the
protocol to use. This allows using qemu-img create -f raw (or just using the
default) for both files and host devices. Converting the other format drivers
to use this function to create their images is left for later patches.
The only issues still open are in the handling of the host devices.
Firstly in current qemu we can specifiy the host* format names
on various command line acceping images, but the new code can't
do that without adding some translation. Second the layering breaks
the no_zero_init flag in the BlockDriver used by qemu-img. I'm not
happy how this is done per-driver instead of per-state so I'll
prepare a separate patch to clean this up.
There's some more cleanup opportunity after this patch, e.g. using
separate lists and registration functions for image formats vs
protocols and maybe even host drivers, but this can be done at a
later stage.
Also there's a check for protocol in bdrv_open for the BDRV_O_SNAPSHOT
case that I don't quite understand, but which I fear won't work as
expected - possibly even before this patch.
Note that this patch requires various recent block patches from Kevin
and me, which should all be in his block queue.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The virtio-net code uses iov_fill() which fills an iov from a linear
buffer. The virtio-serial-bus code does something similar in an
open-coded function.
Create a new iov.c file that has iov_from_buf().
Convert virtio-net and virtio-serial-bus over to use this functionality.
virtio-net used ints to hold sizes, the new function is going to use
size_t types.
Later commits will add the opposite functionality -- going from an iov
to a linear buffer.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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To be able to use config files for blkdebug, we need to make these functions
available in the tools. This involves moving two functions that can only be
built in the context of the emulator.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This isn't doing anything interesting. It creates the blkdebug block driver as
a protocol which just passes everything through to raw.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Since kvm.h can be used in files compiled once,
we can partially revert
b33612d03540fda7fa67485f1c20395beb7a2bf0.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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use empty_slot device for the RAM which is not installed
Models without ECC don't trap when missing ram is accessed.
v0->v1 compile only once and fix indentation
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Convert remaining OHCI devices to QDEV interface.
Signed-off-by: Paul Brook <paul@codesourcery.com>
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This reverts commit f1698408f1dcb7548a21828a0b1e2b530fae3af3.
PCI is always little-endian. Having a user-visible "be" property is just
plain wrong.
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Taken from binutils SVN, using last GPLv2 version.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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With vhost, virtio-pci needs to include kvm.h and kvm.h needs to be built
per-target.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Make vl.o compiled per target and fix a thinko in hw/acpi.c. It's not trivial
to make kvm.h consumable by compiled-once files.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Make byte swapping unconditional since PPC is big endian.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Make byte swapping unconditional since PPC is big endian.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Arrange various declarations so that also non-CPU code can access
them, adjust users.
Move CPU specific code to cpus.c.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Replace TARGET_PAGE_SIZE with 4096. Make byte swapping unconditional
since PPC is big endian.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Replace TARGET_PAGE_SIZE with 4096. Make byte swapping unconditional
since PPC is big endian.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Push TARGET_WORDS_BIGENDIAN dependency to board level.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Push TARGET_WORDS_BIGENDIAN dependency to board level.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Use qemu_irqs to trigger CMOS S3 and SMI events.
Avoid using kvm.h, which uses CPUState.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Move target specific functions and RAM handling to arch_init.c.
Add a flag to QEMUOptions structure to indicate for which
architectures the option is allowed, check the flag
in run time and remove conditional code in option handling.
Now that no target dependencies remain, compile vl.c only once
for all targets.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Move CPU specific declarations to a separate file.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Make win2k install hack unconditional as it is still restricted to
x86 only in vl.c.
Replace TARGET_PAGE_SIZE and 4096 with PAGE_SIZE.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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As soon as virtio-pci.c gets compiled and used on S390 the internal qdev magic
gets confused and tries to give us PCI devices instead of S390 virtio devices.
Since we don't have PCI on S390, we can safely not compile virtio-pci at all.
In order to do this I added a new config option "CONFIG_VIRTIO_PCI" that I
enabled for every platform except S390. Thanks to this the change should be a
complete nop for every other platform.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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