Sasha Levin [Tue, 25 Oct 2011 11:46:47 +0000 (13:46 +0200)]
kvm tools: Fix SDL exit on window close
We've changed IPC to use sockets instead of signals, but the process of
closing the SDL window was still trigerring an exit signal causing
an ugly message and not cleaning up after itself.
This patch switches that to use the proper method of cleaning up.
Reported-by: Osier Yang <jyang@redhat.com> Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Sasha Levin [Mon, 24 Oct 2011 08:23:34 +0000 (11:23 +0300)]
kvm tools: Simplify msi message handling
This patch simplifies passing around msi messages by using
'struct kvm_irq_routing_msi' for storing of msi messages instead
of passing all msi parameters around.
Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Pekka Enberg [Sun, 23 Oct 2011 07:03:19 +0000 (10:03 +0300)]
kvm tools, bios: Don't include glibc headers
We should not include glibc headers from BIOS code which can't rely on glibc at
runtime.
This patch fixes the following build breakage on 64-bit:
CC bios/e820.o
In file included from /usr/include/features.h:387:0,
from /usr/include/unistd.h:26,
from include/kvm/util.h:12,
from bios/e820.c:5:
/usr/include/gnu/stubs.h:7:27: fatal error: gnu/stubs-32.h: No such file or directory compilation terminated.
make: *** [bios/bios.bin.elf] Error 1
when built without the 'glibc-devel.i686' package on Fedora, for example.
Cc: Asias He <asias.hejun@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Sasha Levin <levinsasha928@gmail.com> Acked-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Sasha Levin [Fri, 21 Oct 2011 10:24:58 +0000 (12:24 +0200)]
kvm tools: Allow piping debug output to file descriptor
This patch makes debug output go to a 'debug_fd' instead of stdout.
Doing so allows us to send the output to a different console when
required.
This patch also changes the behaviour of 'kvm debug' to show the debug
output in the console that executed the debug command instead of in the
console of the guest.
Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Pekka Enberg [Tue, 18 Oct 2011 16:52:29 +0000 (19:52 +0300)]
kvm tools: Disable stack protector for BIOS code
This pach fixes the following build breakage on Ubuntu Linux, for example,
which enables GCC stack protector by default:
CC bios/int10.o
bios/int10.o: In function `vbe_get_info':
/home/penberg/linux-2.6/tools/kvm/bios/int10.c:120: undefined reference to `__stack_chk_fail'
Suggested-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Pekka Enberg [Fri, 30 Sep 2011 15:53:48 +0000 (18:53 +0300)]
kvm tools, bios: Fix BIOS to kernel memory copy
This patch implements memcpy16() function that copies memory areas in 16-bit
real mode and converts bios/int10.c to use it instead of relying on GCC struct
memcpy to do the right thing.
Acked-by: Cyrill Gorcunov <gorcunov@gmail.com> Cc: Asias He <asias.hejun@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Lan Tianyu [Wed, 12 Oct 2011 13:00:03 +0000 (21:00 +0800)]
kvm tools: Add support for the read operation of qcow and qcow2 compressed image
This patch adds the decompression operation when confirming the qcow or
qcow2 image is compressed. This patch also divides the read cluster
fucntion into two which are respective for qcow and qcow2 in order to be
convenient to support these two kind images. Add some macros for qcow.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
[ penberg@kernel.org: make zlib optional ] Signed-off-by: Pekka Enberg <penberg@kernel.org>
kvm tools: Set active console before running /bin/sh
This patch sets active console to the serial console before running the
shell. Doing so fixes two issues:
* Fix job control.
* Set all env vars.
The user visible issues are less warnings (no more of this:
sh: cannot set terminal process group (-1): Inappropriate ioctl for device
sh: no job control in this shell)
A working 'top', and a working ctrl-c.
Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Add some missing keys to the SDL ui. This needed a bit of rework of
keyboard event handling since some of the new codes are multi-byte,
so I had to introduce a struct that keeps that information alongside
the code itself. Peculiar cases like PAUSE or PRNT SCRN are special
cased, however they aren't wired yet since I couldn't test them (I think
input grabbing is required to make them work).
Since we didn't raise the ISR INTx interrupts were sometimes ignored by
the guest. This caused hangs on boot when starting a guest without MSIX
support.
kvm tools: Use host's resolv.conf within the guest
Since kernel IP autoconfiguration doesn't set up /etc/resolv.conf, we'll
use the one located within the host, since this was anyway what we simulated
within the DHCP offer packets.
Network autoconfiguration was moved to the kernel, but the setup code still
tried to copy the script over to the rootfs. This prevented from /virt/ to
be properly created.
kvm tools: Use kernel dhcp for network autoconfiguration
This patch removes the manual/usermode dhcp client configuration and instead
uses the DHCP client built within the kernel.
Since this client is tightly integrated with NFS (if NFS config is set), we
will add a specific NFS root addr in our DHCP offer to point it to a non
existent address so that we won't hang trying to poke it for our root.
Acked-by: Asias He <asias.hejun@gmail.com> Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Sasha Levin [Mon, 29 Aug 2011 12:25:00 +0000 (15:25 +0300)]
kvm tools: Add ivshmem device
The patch adds an ivshmem device which can be used to share memory between
guests on the same host.
This implementation is lacking inter-guest communication which should be
implemented later once information regarding the client-server protocol is
gathered, though infrastructure used to add and remove clients already exists
in the patch (but isn't used anywhere).
Patch is based on David Evansky's shmem device.
Original-patch-by: David Evensky <evensky@sandia.gov> Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Pekka Enberg [Wed, 24 Aug 2011 13:23:38 +0000 (16:23 +0300)]
kvm tools: Introduce 'kvm setup' command
This patch implements 'kvm setup' command that can be used to setup a guest
filesystem that shares system libraries and binaries from host filesystem in
read-only mode.
You can setup a new shared rootfs guest with:
./kvm setup -n default
and launch it with:
./kvm run --9p /,hostfs -p "init=virt/init" -d ~/.kvm-tools/default/
We want to teach 'kvm run' to be able to launch guest filesystems by name in
the future. Furthermore, 'kvm run' should setup a 'default' filesystem and use
it by default unless the user specifies otherwise.
Cc: Asias He <asias.hejun@gmail.com> Cc: Cyrill Gorcunov <gorcunov@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Sasha Levin [Tue, 23 Aug 2011 19:28:53 +0000 (22:28 +0300)]
kvm tools: MSI-X fixes
Several fixes in this patch:
* Don't ignore function level and per-vector masking. We're not
supposed to signal when masked and not doing so will improve
performance a bit (in addition to behaving correctly).
* Implement the missing PBA array. 'lspci -vv' will now show the correct
output:
Capabilities: [40] MSI-X: Enable+ Count=5 Masked-
Vector table: BAR=1 offset=00000000
PBA: BAR=3 offset=00000000
* Checking whether MSI-X is enabled or not is done by probing the
corresponding bit within the PCI header instead of trying to track
the status ourselves.
* Fallback to INTx if MSI-X isn't enabled.
* Use correct max size for MSI-X table.
Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Sasha Levin [Mon, 22 Aug 2011 12:58:13 +0000 (15:58 +0300)]
kvm tools: Separate virtio-pci layer
This patch builds a virtio-pci layer which can be used by virtio
devices as a layer to interact with virtio-pci. The purpose of the
patch is to separate the common virtio-pci layer from being replicated
in all virtio devices.
The new layer provides a callback interface to receive information about
virtio events.
This allows us to share the entire functionality of virtio-pci throughout all
virtio devices, for example - we don't need to implement MSI-X for each device
and can just do it once for virtio-pci.
Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Sasha Levin [Thu, 18 Aug 2011 12:18:31 +0000 (15:18 +0300)]
kvm tools: Guest kernel compatability
The problem of users running kernel which wasn't built for kvm tools is
somewhat common. Usualy the result is a panic during boot and a user whos'
stuck and doesn't know what to do next.
Compatability checks try to solve this issue by giving the user a meaningfull
error message which can explain whats going on and how he can fix it.
The idea is to register the device during device init and unregister the
device when the device has been 'used'. In case the kernel didn't access
the device before the guest is shut down, the host will notify the user that
something is wrong.
Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Sasha Levin [Sat, 13 Aug 2011 10:22:13 +0000 (13:22 +0300)]
kvm tools: Fix wrong kill() PID in commands
There was a mixup in the balloon usage string and some of the commands were
retrieving the instance name from the wrong place. This will cause the commands
to issue kill() with negative PIDs (which sends the signal to every process in
the system). Without this patch, 'kvm command instance' will do crazy things
like restart whole Gnome session.
Tested-by: Asias He <asias.hejun@gmail.com> Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Pekka Enberg [Sat, 13 Aug 2011 09:38:13 +0000 (12:38 +0300)]
kvm tool, sdl: Set window caption
Fix empty window caption for the tool. We should also display the guest name
but unfortunately the SDL code doesn't know about "struct kvm" so that requires
code reorganization.
Liming Wang [Fri, 12 Aug 2011 14:59:29 +0000 (22:59 +0800)]
kvm tools: unify all serials' registers with the first serial
To make all serials work well, unify value of the last three
serials' registers with the first serial. Otherwise, using ttyS1,
ttyS2, ttyS3 as console will slow the output.
Signed-off-by: Liming Wang <walimisdev@gmail.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
Pekka Enberg [Fri, 12 Aug 2011 11:23:06 +0000 (14:23 +0300)]
kvm tools, bios: Rename bios.S to entry.S
This patch renames bios.S to entry.S to make it more obvious what the file
contains. There's already too much source files with the word "bios" in their
names.
Pekka Enberg [Fri, 12 Aug 2011 07:51:17 +0000 (10:51 +0300)]
kvm tools, bios: Setup CF after returning from interrupt handler
While reading the code, I noticed that we don't set CF in our interrupt handler
stubs. The guest kernel may think the interrupt handler succeeded depending on
whether or not it has set CF by itself (or whether BIOS code set it by chance).
While at it, fix INT 10h handler to clear CF to make sure the guest kernel
knows the interrupt handler succeeded.
projects / karo-tx-linux.git / log