[Qemu-devel] Nya dokument från DokuMera

2010-09-07 Thread DokuMera Nyhetsbrev
Om du har problem med att läsa detta e-postmeddelande, klicka här (http://www.anp.se/newsletter/873386/444059437941455D4B7142445C43) för en webb-version. Vårt nyhetsbrev skickas automatiskt till våra kunder och intressenter. Vill du inte ha detta nyhetsbrev framöver, klicka här för att avprenu

Re: [Qemu-devel] Unmaintained QEMU builds

2010-09-07 Thread Tristan Gingold
On Sep 7, 2010, at 12:44 AM, Andreas Färber wrote: > Am 05.09.2010 um 17:57 schrieb Anthony Liguori: > >> On 09/05/2010 10:10 AM, Avi Kivity wrote: As a baby step, is there any chance of publishing an automatic nightly Windows (cross-)build as a .zip file on qemu.org? That might give

[Qemu-devel] Re: Unmaintained QEMU builds

2010-09-07 Thread Paolo Bonzini
On 09/07/2010 12:44 AM, Andreas Färber wrote: 1) We drop Windows support. No Windows user has so far participated in the discussion. When they cry, it'll be too late, cf. kqemu. That's different. kqemu was crippling qemu development much more than Win32. kqemu littered the code with #ifdefs

Re: [Qemu-devel] [PATCH v3 00/14] trace: Add static tracing to QEMU

2010-09-07 Thread Stefan Hajnoczi
On Mon, Sep 6, 2010 at 6:12 PM, Anthony Liguori wrote: > On 09/06/2010 11:51 AM, Daniel P. Berrange wrote: >> >> On Mon, Sep 06, 2010 at 04:13:57PM +0100, Stefan Hajnoczi wrote: >> >>> >>> This patch series adds static tracing to QEMU.  It can be used to >>> instrument >>> QEMU code by means of li

Re: [Qemu-devel] [PATCH 11/15] bitmap: add a generic bitmap and bitops library

2010-09-07 Thread Stefan Hajnoczi
On Wed, Aug 11, 2010 at 6:49 AM, Corentin Chary wrote: > Add most used bitmap and bitops functions into bitmap.c and bitops.c. > Theses functions are mostly copied from Linux kernel source. > > Some of these functions are already redefined in the VNC server. Some > of them could be used for some b

Re: [Qemu-devel] [PATCH] raw-posix: improve detection of scsi-generic devices

2010-09-07 Thread Bernhard Kohl
Am 07.09.2010 04:04, schrieb ext Christoph Hellwig: On Mon, Sep 06, 2010 at 05:39:00PM +0200, Alexander Graf wrote: On 06.09.2010, at 17:06, Bernhard Kohl wrote: From: Bernhard Kohl Allow symbolic links which point to /dev/sgX devices. Couldn't you send an SG_IO test ioctl

Re: [Qemu-devel] [PATCH] raw-posix: improve detection of scsi-generic devices

2010-09-07 Thread Alexander Graf
On 07.09.2010, at 11:40, Bernhard Kohl wrote: > Am 07.09.2010 04:04, schrieb ext Christoph Hellwig: >> On Mon, Sep 06, 2010 at 05:39:00PM +0200, Alexander Graf wrote: >> >>> On 06.09.2010, at 17:06, Bernhard Kohl wrote: >>> >>> From: Bernhard Kohl Allow symbolic links whi

Re: [Qemu-devel] [PATCH] raw-posix: improve detection of scsi-generic devices

2010-09-07 Thread Kevin Wolf
Am 07.09.2010 04:04, schrieb Christoph Hellwig: > On Mon, Sep 06, 2010 at 05:39:00PM +0200, Alexander Graf wrote: >> >> On 06.09.2010, at 17:06, Bernhard Kohl wrote: >> >>> From: Bernhard Kohl >>> >>> Allow symbolic links which point to /dev/sgX devices. >> >> Couldn't you send an SG_IO test ioctl

[Qemu-devel] Re: [PATCHv2] qemu: e1000 fix TOR math

2010-09-07 Thread Juan Quintela
"Michael S. Tsirkin" wrote: > Patch b0b900070c7cb29bbefb732ec00397abe5de6d73 made > TOR valuer incorrect: the spec says it should always > include the CRC field. > No one seems to use this field, but better to stick to spec. > > Signed-off-by: Michael S. Tsirkin Acked-by: Juan Quintela Thanks

[Qemu-devel] OMAP3/Beagle board status

2010-09-07 Thread Andrea Galeazzi
Hi guys, it seems that also maemo developers give up the beagleboard emulation, so does anybody know anything about the progress status of the emulation of it? Is still anyone working on it or does the community aim to include it in the qemu-system-arm platforms list? In your opinion which is

Re: [Qemu-devel] Unmaintained QEMU builds

2010-09-07 Thread Alexander Graf
On 07.09.2010, at 09:38, Tristan Gingold wrote: > > On Sep 7, 2010, at 12:44 AM, Andreas Färber wrote: > >> Am 05.09.2010 um 17:57 schrieb Anthony Liguori: >> >>> On 09/05/2010 10:10 AM, Avi Kivity wrote: > As a baby step, is there any chance of publishing an automatic nightly > Windo

Re: [Qemu-devel] Unmaintained QEMU builds

2010-09-07 Thread Tristan Gingold
On Sep 7, 2010, at 12:22 PM, Alexander Graf wrote: > > On 07.09.2010, at 09:38, Tristan Gingold wrote: > >> >> On Sep 7, 2010, at 12:44 AM, Andreas Färber wrote: >> >>> Am 05.09.2010 um 17:57 schrieb Anthony Liguori: >>> On 09/05/2010 10:10 AM, Avi Kivity wrote: >> As a baby step, i

Re: [Qemu-devel] OMAP3/Beagle board status

2010-09-07 Thread Riku Voipio
On Tue, Sep 07, 2010 at 12:17:16PM +0200, Andrea Galeazzi wrote: > it seems that also maemo developers give up the beagleboard emulation, > so does anybody know anything about the progress status of the emulation > of it? Is still anyone working on it or does the community aim to > include it

[Qemu-devel] [PATCH 2/3] qemu-kvm: Set cpuid definition to 0 before initializing it

2010-09-07 Thread Joerg Roedel
This patch cleans the (stack-allocated) cpuid definition to 0 before actually initializing it. Signed-off-by: Joerg Roedel --- target-i386/cpuid.c |2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/target-i386/cpuid.c b/target-i386/cpuid.c index 5fa0dd0..5735795 100644 ---

[Qemu-devel] [PATCH 0/3] Add svm cpuid features to qemu-kvm

2010-09-07 Thread Joerg Roedel
Hi, this patch-set adds the svm cpuid feature flags to qemu-kvm. With this patch-set the npt feature-flag can be presented to the guest so that it will use nested-paging when emulated by the host kvm. Please review, comment and/or apply these patches :-) Thanks, Joerg

[Qemu-devel] [PATCH 1/4] KVM: PPC: Add level based interrupt logic

2010-09-07 Thread Alexander Graf
KVM on PowerPC used to have completely broken interrupt logic. Usually, interrupts work by having a PIC that pulls a line up/down, so the CPU knows that an interrupt is active. This line stays active until some action is done to the PIC to release the line. On KVM for PPC, we just checked if there

[Qemu-devel] [PATCH 3/4] PPC: Make e500 pci byte swap config data

2010-09-07 Thread Alexander Graf
The config data field on the e500 pci controller is in little endian, so we need to enable byte swap there. Signed-off-by: Alexander Graf --- hw/ppce500_pci.c |2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/hw/ppce500_pci.c b/hw/ppce500_pci.c index 3fa42d2..629b242 1006

[Qemu-devel] [PATCH 3/3] qemu-kvm: Add svm cpuid features

2010-09-07 Thread Joerg Roedel
This patch adds the svm cpuid feature flags to the qemu intialization path. Signed-off-by: Joerg Roedel --- target-i386/cpu.h |1 + target-i386/cpuid.c | 50 +- target-i386/kvm.c |3 +++ 3 files changed, 45 insertions(+), 9 deletions(

[Qemu-devel] [PATCH 2/4] PPC: Qdev'ify e500 pci

2010-09-07 Thread Alexander Graf
The e500 PCI controller isn't qdev'ified yet. This leads to severe issues when running with -drive. To be able to use a virtio disk with an e500 VM, let's convert the PCI controller over to qdev. Signed-off-by: Alexander Graf --- hw/ppce500_pci.c | 106 +

[Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Joerg Roedel
This patch changes the setting logic for the svm bit in qemu-kvm. The bit is now explicitly set on -enable-nesting instead of masked out if the parameter is not supplied. Signed-off-by: Joerg Roedel --- target-i386/cpuid.c | 12 ++-- 1 files changed, 6 insertions(+), 6 deletions(-) di

[Qemu-devel] [PULL 0/4] PPC updates

2010-09-07 Thread Alexander Graf
I would really appriciate if these would also make it for 0.13. Should I create a separate pull tree for that? The following changes since commit ba5e7f82169f32ab8163c707d97c799ca09f8924: Izumi Tsutsui (1): vnc: use bswapNN() rather than bswap_NN() are available in the git repository at

[Qemu-devel] [PATCH 4/4] PPC: Change PPC maintainer

2010-09-07 Thread Alexander Graf
Since nobody else seems interested in maintaining PPC, let's change the maintainer to myself. I keep a staging tree anyways and am probably the person touching most of that code these days. This changes the maintainer entry for working ppc targets to myself. Signed-off-by: Alexander Graf --- MA

[Qemu-devel] [PATCH] raw: Fix image header protection

2010-09-07 Thread Kevin Wolf
Recenty a patch was committed to protect the first four bytes of an image to avoid "converting" a probed raw image to a different format when a malicious guest writes e.g. a qcow2 header to it. This check relies on the assumption that all qiov entries are multiples of 512, which isn't true in prac

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Alexander Graf
On 07.09.2010, at 13:27, Joerg Roedel wrote: > This patch changes the setting logic for the svm bit in > qemu-kvm. The bit is now explicitly set on -enable-nesting > instead of masked out if the parameter is not supplied. > > Signed-off-by: Joerg Roedel > --- > target-i386/cpuid.c | 12 ++

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Daniel P. Berrange
On Tue, Sep 07, 2010 at 02:23:55PM +0200, Alexander Graf wrote: > > On 07.09.2010, at 13:27, Joerg Roedel wrote: > > > This patch changes the setting logic for the svm bit in > > qemu-kvm. The bit is now explicitly set on -enable-nesting > > instead of masked out if the parameter is not supplied.

[Qemu-devel] [PATCH 1/4] cpu model corrections/updates: fix Intel "model" fields

2010-09-07 Thread john cooper
Correct archaic CPU model "model" field for Intel CPUs. The old "model" values caused two known problems: - Skype crashes on a winxp guest if model < 6, due to syscall vs. sysenter confusion. - 32 bit windows doesn't enable MSI support if model < 13. After consulting wi

[Qemu-devel] [PATCH 4/4] cpu model corrections/updates: add verbose config file handling

2010-09-07 Thread john cooper
Failure by qemu to open a default config file isn't cause to error exit -- it just quietly continues on. After puzzling issues with otherwise opaque config file locations and startup handling numerous times, some help from qemu seemed justified. In the case of a "?" pseudo filename arg to -readc

[Qemu-devel] [PATCH 2/4] cpu model corrections/updates: add kvm_early_init_vcpu()

2010-09-07 Thread john cooper
Allow an optional qemu_early_init_vcpu() such that kvm_arch_get_supported_cpuid() can be used from cpu_x86_register(). Without this minimal setup kvm_arch_get_supported_cpuid() gags kvm_ioctl() via passing a NULL initialized KVMState *. Signed-off-by: john cooper --- diff --git a/cpus.c b/cpus.

[Qemu-devel] [PATCH 3/4] cpu model corrections/updates: support kvm emulated flags

2010-09-07 Thread john cooper
Add kvm emulated x2apic flag to config defined cpu models and general support for such hypervisor emulated flags. In addition to checking user request flags against the host we also selectively check against kvm for emulated flags. Signed-off-by: john cooper --- diff --git a/hw/pc.c b/hw/pc.c i

[Qemu-devel] Device hotplug issues

2010-09-07 Thread pradeepkumar
Hi I tried to add a device to guest from upstream qemu monitor using "device_add". when i try to add VGA, vmware-svga..etc, from qemu monitor my qemu monitor is aborted, Since these devices already registered. I dont see a reason to kill monitor. I think abort() is a bit rough. we need a bette

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Alexander Graf
On 07.09.2010, at 14:30, Daniel P. Berrange wrote: > On Tue, Sep 07, 2010 at 02:23:55PM +0200, Alexander Graf wrote: >> >> On 07.09.2010, at 13:27, Joerg Roedel wrote: >> >>> This patch changes the setting logic for the svm bit in >>> qemu-kvm. The bit is now explicitly set on -enable-nesting >

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Avi Kivity
On 09/07/2010 03:33 PM, Alexander Graf wrote: I agree that its much nicer for mgmt tools if svm/vmx CPU flags can just be toggled in the normal manner. Might we also want to have a enable/disable nesting flag, so we can mirror the way real hardware lets you disable virt in the BIOS even when t

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Alexander Graf
On 07.09.2010, at 14:35, Avi Kivity wrote: > On 09/07/2010 03:33 PM, Alexander Graf wrote: >> >>> I agree that its much nicer for mgmt tools if svm/vmx CPU flags can just be >>> toggled in the normal manner. Might we also want to have a enable/disable >>> nesting flag, so we can mirror the way r

[Qemu-devel] [PATCH 0/4] cpu model corrections/updates

2010-09-07 Thread john cooper
This series is a synopsis of several patches correcting problems found during use and test of the cpu model config definitions, and usability in general. Please review and apply. -john -- john.coo...@redhat.com

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Avi Kivity
On 09/07/2010 03:37 PM, Alexander Graf wrote: Why do you lost migration? Is that part fixed already? Joerg worked so hard on so many things that I lost track of what works and what doesn't :). Was it broken? How? -- error compiling committee.c: too many arguments to function

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Alexander Graf
On 07.09.2010, at 14:43, Avi Kivity wrote: > On 09/07/2010 03:37 PM, Alexander Graf wrote: >> >>> Why do you lost migration? >> Is that part fixed already? Joerg worked so hard on so many things that I >> lost track of what works and what doesn't :). > > Was it broken? How? When migrating in

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Avi Kivity
On 09/07/2010 03:55 PM, Alexander Graf wrote: Was it broken? How? When migrating inside l2 context, we're missing information. My idea back then was to force the l1 guest out of l2 context every time we want to migrate, but I'm not sure this has happened. I thought that was implemented,

[Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Anthony Liguori
Hi, We've got copy-on-read and image streaming working in QED and before going much further, I wanted to bounce some interfaces off of the libvirt folks to make sure our final interface makes sense. Here's the basic idea: Today, you can create images based on base images that are copy on wr

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Avi Kivity
On 09/07/2010 03:23 PM, Alexander Graf wrote: I think we should get rid of kvm_nested and -enable-nesting. Instead, we should enable the SVM bit in the "host" and "qemu64" cpu types, but not in "kvm64". This way users are safe to not use nested svm, but can choose to do so if they like. Also

Re: [Qemu-devel] [RFC] qed: Add QEMU Enhanced Disk format

2010-09-07 Thread Avi Kivity
On 09/06/2010 01:04 PM, Stefan Hajnoczi wrote: QEMU Enhanced Disk format is a disk image format that forgoes features found in qcow2 in favor of better levels of performance and data integrity. Due to its simpler on-disk layout, it is possible to safely perform metadata updates more efficiently

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Alexander Graf
On 07.09.2010, at 15:41, Anthony Liguori wrote: > Hi, > > We've got copy-on-read and image streaming working in QED and before going > much further, I wanted to bounce some interfaces off of the libvirt folks to > make sure our final interface makes sense. > > Here's the basic idea: > > Toda

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Roedel, Joerg
On Tue, Sep 07, 2010 at 08:59:52AM -0400, Avi Kivity wrote: > On 09/07/2010 03:55 PM, Alexander Graf wrote: > > > >> Was it broken? How? > > When migrating inside l2 context, we're missing information. My idea back > > then was to force the l1 guest out of l2 context every time we want to > >

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Alexander Graf
On 07.09.2010, at 16:12, Roedel, Joerg wrote: > On Tue, Sep 07, 2010 at 09:51:33AM -0400, Avi Kivity wrote: >> On 09/07/2010 03:23 PM, Alexander Graf wrote: >>> >>> I think we should get rid of kvm_nested and -enable-nesting. Instead, we >>> should enable the SVM bit in the "host" and "qemu64"

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Roedel, Joerg
On Tue, Sep 07, 2010 at 10:14:46AM -0400, Alexander Graf wrote: > > On 07.09.2010, at 16:12, Roedel, Joerg wrote: > > > On Tue, Sep 07, 2010 at 09:51:33AM -0400, Avi Kivity wrote: > >> On 09/07/2010 03:23 PM, Alexander Graf wrote: > >>> > >>> I think we should get rid of kvm_nested and -enable-

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Roedel, Joerg
On Tue, Sep 07, 2010 at 10:16:10AM -0400, Alexander Graf wrote: > Oh, because this is for qemu-kvm. Uh - how about a nice little patch > that makes things work in qemu.git, leave out the -enable-nesting > piece and just keep the -enable-nesting backwards compat patch in > qemu-kvm.git - or maybe ev

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Alexander Graf
On 07.09.2010, at 16:20, Roedel, Joerg wrote: > On Tue, Sep 07, 2010 at 10:16:10AM -0400, Alexander Graf wrote: >> Oh, because this is for qemu-kvm. Uh - how about a nice little patch >> that makes things work in qemu.git, leave out the -enable-nesting >> piece and just keep the -enable-nesting b

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Alexander Graf
On 07.09.2010, at 16:12, Roedel, Joerg wrote: > On Tue, Sep 07, 2010 at 09:51:33AM -0400, Avi Kivity wrote: >> On 09/07/2010 03:23 PM, Alexander Graf wrote: >>> >>> I think we should get rid of kvm_nested and -enable-nesting. Instead, we >>> should enable the SVM bit in the "host" and "qemu64"

[Qemu-devel] KVM call minutes for Sept 7

2010-09-07 Thread Chris Wright
0.13 schedule - RSN - rc1 uploaded, tagged in git (and tag should actually be there now) - announcement once it propagates - 0.13.0 should be 1 week after rc1 announcement - please check rc1 for any missing critical patches qed - concession that qcow2 is complicated and hard to get right - it's mu

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Anthony Liguori
On 09/07/2010 09:01 AM, Alexander Graf wrote: I'm torn here too. Why not expose both? Have a qemu internal daemon available that gets a sleep time as parameter and an external "pull sectors" command. We'll see which one is more useful, but I don't think it's too much code to justify only having

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Stefan Hajnoczi
On Tue, Sep 7, 2010 at 2:41 PM, Anthony Liguori wrote: > The interface for copy-on-read is just an option within qemu-img create. >  Streaming, on the other hand, requires a bit more thought.  Today, I have a > monitor command that does the following: > > stream > > Which will try to stream the

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Kevin Wolf
Am 07.09.2010 15:41, schrieb Anthony Liguori: > Hi, > > We've got copy-on-read and image streaming working in QED and before > going much further, I wanted to bounce some interfaces off of the > libvirt folks to make sure our final interface makes sense. > > Here's the basic idea: > > Today, y

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Roedel, Joerg
On Tue, Sep 07, 2010 at 10:22:21AM -0400, Alexander Graf wrote: > > On 07.09.2010, at 16:20, Roedel, Joerg wrote: > > > On Tue, Sep 07, 2010 at 10:16:10AM -0400, Alexander Graf wrote: > >> Oh, because this is for qemu-kvm. Uh - how about a nice little patch > >> that makes things work in qemu.git

[Qemu-devel] Re: KVM call minutes for Sept 7

2010-09-07 Thread Anthony Liguori
On 09/07/2010 09:30 AM, Chris Wright wrote: 0.13 schedule - RSN - rc1 uploaded, tagged in git (and tag should actually be there now) - announcement once it propagates - 0.13.0 should be 1 week after rc1 announcement - please check rc1 for any missing critical patches qed - concession that qcow2

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Alexander Graf
On 07.09.2010, at 16:33, Roedel, Joerg wrote: > On Tue, Sep 07, 2010 at 10:22:21AM -0400, Alexander Graf wrote: >> >> On 07.09.2010, at 16:20, Roedel, Joerg wrote: >> >>> On Tue, Sep 07, 2010 at 10:16:10AM -0400, Alexander Graf wrote: Oh, because this is for qemu-kvm. Uh - how about a nice

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Stefan Hajnoczi
On Tue, Sep 7, 2010 at 3:34 PM, Kevin Wolf wrote: > Am 07.09.2010 15:41, schrieb Anthony Liguori: >> Hi, >> >> We've got copy-on-read and image streaming working in QED and before >> going much further, I wanted to bounce some interfaces off of the >> libvirt folks to make sure our final interface

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Anthony Liguori
On 09/07/2010 09:33 AM, Stefan Hajnoczi wrote: On Tue, Sep 7, 2010 at 2:41 PM, Anthony Liguori wrote: The interface for copy-on-read is just an option within qemu-img create. Streaming, on the other hand, requires a bit more thought. Today, I have a monitor command that does the followi

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Roedel, Joerg
On Tue, Sep 07, 2010 at 09:51:33AM -0400, Avi Kivity wrote: > On 09/07/2010 03:23 PM, Alexander Graf wrote: > > > > I think we should get rid of kvm_nested and -enable-nesting. Instead, we > > should enable the SVM bit in the "host" and "qemu64" cpu types, but not in > > "kvm64". This way users

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Anthony Liguori
On 09/07/2010 09:34 AM, Kevin Wolf wrote: Am 07.09.2010 15:41, schrieb Anthony Liguori: Hi, We've got copy-on-read and image streaming working in QED and before going much further, I wanted to bounce some interfaces off of the libvirt folks to make sure our final interface makes sense. Her

Re: [Qemu-devel] [RFC] qed: Add QEMU Enhanced Disk format

2010-09-07 Thread Avi Kivity
On 09/06/2010 04:06 PM, Anthony Liguori wrote: Another point worth mentioning is that our intention is to have a formal specification of the format before merging. A start of that is located at http://wiki.qemu.org/Features/QED =Specification= The file format looks like this: +--

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Stefan Hajnoczi
On Tue, Sep 7, 2010 at 3:51 PM, Anthony Liguori wrote: > On 09/07/2010 09:33 AM, Stefan Hajnoczi wrote: >> >> On Tue, Sep 7, 2010 at 2:41 PM, Anthony Liguori >>  wrote: >> >>> >>> The interface for copy-on-read is just an option within qemu-img create. >>>  Streaming, on the other hand, requires

Re: [Qemu-devel] [PATCH 1/3] qemu-kvm: Invert svm-flag setting logic

2010-09-07 Thread Avi Kivity
On 09/07/2010 05:36 PM, Alexander Graf wrote: Who are the maintainers to talk with? Anthony? Anybody else? Anthony, Avi, Marcelo. Post the patches against qemu.git, Marcelo or myself will apply them against a staging branch (uq/master, for "upstream queue for qemu.git master") and ask Ant

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Anthony Liguori
On 09/07/2010 09:49 AM, Stefan Hajnoczi wrote: On Tue, Sep 7, 2010 at 3:34 PM, Kevin Wolf wrote: Am 07.09.2010 15:41, schrieb Anthony Liguori: Hi, We've got copy-on-read and image streaming working in QED and before going much further, I wanted to bounce some interfaces off of the l

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Kevin Wolf
Am 07.09.2010 16:49, schrieb Anthony Liguori: >> Shouldn't it be a runtime option? You can use the very same image with >> copy-on-read or copy-on-write and it will behave the same (execpt for >> performance), so it's not an inherent feature of the image file. >> > > The way it's implemented i

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Anthony Liguori
On 09/07/2010 09:55 AM, Stefan Hajnoczi wrote: On Tue, Sep 7, 2010 at 3:51 PM, Anthony Liguori wrote: On 09/07/2010 09:33 AM, Stefan Hajnoczi wrote: On Tue, Sep 7, 2010 at 2:41 PM, Anthony Liguori wrote: The interface for copy-on-read is just an option within qemu-img

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Stefan Hajnoczi
On Tue, Sep 7, 2010 at 3:57 PM, Anthony Liguori wrote: > On 09/07/2010 09:49 AM, Stefan Hajnoczi wrote: >> >> On Tue, Sep 7, 2010 at 3:34 PM, Kevin Wolf  wrote: >> >>> >>> Am 07.09.2010 15:41, schrieb Anthony Liguori: >>> Hi, We've got copy-on-read and image streaming working i

[Qemu-devel] Re: QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Daniel P. Berrange
On Tue, Sep 07, 2010 at 08:41:44AM -0500, Anthony Liguori wrote: > Hi, > > We've got copy-on-read and image streaming working in QED and before > going much further, I wanted to bounce some interfaces off of the > libvirt folks to make sure our final interface makes sense. > > Here's the basic

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Anthony Liguori
On 09/07/2010 10:02 AM, Kevin Wolf wrote: Am 07.09.2010 16:49, schrieb Anthony Liguori: Shouldn't it be a runtime option? You can use the very same image with copy-on-read or copy-on-write and it will behave the same (execpt for performance), so it's not an inherent feature of the image file

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Stefan Hajnoczi
On Tue, Sep 7, 2010 at 4:00 PM, Anthony Liguori wrote: > On 09/07/2010 09:55 AM, Stefan Hajnoczi wrote: >> >> On Tue, Sep 7, 2010 at 3:51 PM, Anthony Liguori >>  wrote: >> >>> >>> On 09/07/2010 09:33 AM, Stefan Hajnoczi wrote: >>> On Tue, Sep 7, 2010 at 2:41 PM, Anthony Liguori  

[Qemu-devel] Re: QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Anthony Liguori
On 09/07/2010 10:03 AM, Daniel P. Berrange wrote: On Tue, Sep 07, 2010 at 08:41:44AM -0500, Anthony Liguori wrote: Hi, We've got copy-on-read and image streaming working in QED and before going much further, I wanted to bounce some interfaces off of the libvirt folks to make sure our final

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Kevin Wolf
Am 07.09.2010 17:11, schrieb Anthony Liguori: > On 09/07/2010 10:02 AM, Kevin Wolf wrote: >> Am 07.09.2010 16:49, schrieb Anthony Liguori: >> Shouldn't it be a runtime option? You can use the very same image with copy-on-read or copy-on-write and it will behave the same (execpt for >>

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Anthony Liguori
On 09/07/2010 10:05 AM, Stefan Hajnoczi wrote: On Tue, Sep 7, 2010 at 3:57 PM, Anthony Liguori wrote: On 09/07/2010 09:49 AM, Stefan Hajnoczi wrote: On Tue, Sep 7, 2010 at 3:34 PM, Kevin Wolfwrote: Am 07.09.2010 15:41, schrieb Anthony Liguori: Hi, We've go

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Anthony Liguori
On 09/07/2010 10:09 AM, Stefan Hajnoczi wrote: Right, so that argues for an incremental interface like I started with :-) BTW, this whole discussion is also relevant for other background tasks like online defragmentation so keep that use-case in mind too. Right, I'm a little hesitant to g

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Anthony Liguori
On 09/07/2010 10:20 AM, Kevin Wolf wrote: Am 07.09.2010 17:11, schrieb Anthony Liguori: On 09/07/2010 10:02 AM, Kevin Wolf wrote: Am 07.09.2010 16:49, schrieb Anthony Liguori: Shouldn't it be a runtime option? You can use the very same image with copy-on-read or copy-on-writ

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Kevin Wolf
Am 07.09.2010 17:30, schrieb Anthony Liguori: > On 09/07/2010 10:20 AM, Kevin Wolf wrote: >> Am 07.09.2010 17:11, schrieb Anthony Liguori: >>> Copy-on-read is, in many cases, a property of the backing file because >>> it suggests that the backing file is either very slow or potentially >>> volatile

Re: [Qemu-devel] [RFC] qed: Add QEMU Enhanced Disk format

2010-09-07 Thread Anthony Liguori
On 09/07/2010 09:51 AM, Avi Kivity wrote: I'll let Stefan address most of this. uint32_t first_cluster; /* in clusters */ First cluster of what? This should probably be header_size /* in clusters */ because that's what it really means. Need a checksum for the header. Is th

Re: [Qemu-devel] QEMU interfaces for image streaming and post-copy block migration

2010-09-07 Thread Anthony Liguori
On 09/07/2010 10:39 AM, Kevin Wolf wrote: Am 07.09.2010 17:30, schrieb Anthony Liguori: On 09/07/2010 10:20 AM, Kevin Wolf wrote: Am 07.09.2010 17:11, schrieb Anthony Liguori: Copy-on-read is, in many cases, a property of the backing file because it suggests that the backing

Re: [Qemu-devel] [RFC] qed: Add QEMU Enhanced Disk format

2010-09-07 Thread Avi Kivity
On 09/07/2010 06:40 PM, Anthony Liguori wrote: Need a checksum for the header. Is that not a bit overkill for what we're doing? What's the benefit? Make sure we're not looking at a header write interrupted by a crash. The L2 link '''should''' be made after the data is in place on stora

Re: [Qemu-devel] OMAP3/Beagle board status

2010-09-07 Thread Andrea Galeazzi
On 07/09/2010 13:10, Riku Voipio wrote: On Tue, Sep 07, 2010 at 12:17:16PM +0200, Andrea Galeazzi wrote: it seems that also maemo developers give up the beagleboard emulation, so does anybody know anything about the progress status of the emulation of it? Is still anyone working on it or doe

Re: [Qemu-devel] [RFC] qed: Add QEMU Enhanced Disk format

2010-09-07 Thread Anthony Liguori
On 09/07/2010 09:51 AM, Avi Kivity wrote: /* if (features & QED_F_BACKING_FILE) */ uint32_t backing_file_offset; /* in bytes from start of header */ uint32_t backing_file_size; /* in bytes */ It's really the filename size, not the file size. Also, make a note that it is not z

Re: [Qemu-devel] [RFC] qed: Add QEMU Enhanced Disk format

2010-09-07 Thread Anthony Liguori
On 09/07/2010 11:09 AM, Avi Kivity wrote: On 09/07/2010 06:40 PM, Anthony Liguori wrote: Need a checksum for the header. Is that not a bit overkill for what we're doing? What's the benefit? Make sure we're not looking at a header write interrupted by a crash. Couldn't hurt I guess. I d

[Qemu-devel] QEMU emulate Shared-ISA multi-core architecture.

2010-09-07 Thread Shiao-Hui Chiu
hello, all I am trying to configure a Shared-ISA multi-core architecture, and I just configure the cpu_model with two different types, one is core2duo, the other one is pentium3. ( some instruction set is not supporting in pentium3 ) then I verify this architecture with a simple program that I exp

[Qemu-devel] Re: virtio-9p error

2010-09-07 Thread Venkateswararao Jujjuri (JV)
Bruno Cesar Ribas wrote: > On Thu, Aug 26, 2010 at 09:44:32AM -0700, Venkateswararao Jujjuri (JV) wrote: >> Bruno Cesar Ribas wrote: >>> Hi, >>> >> [snip] >> This quick test is with QEMU patches that are on mailing lists but not merged >> into mainline. >> Being said that, I don't think they really

[Qemu-devel] Re: [PATCH 00/14] pcie port switch emulators

2010-09-07 Thread Michael S. Tsirkin
On Mon, Sep 06, 2010 at 04:46:14PM +0900, Isaku Yamahata wrote: > This patch series implements pcie port switch emulators > which is basic part for pcie/q35 support. > This is for mst/pci tree. > > some random comments > - pci bus reset > As Anthony is cleaning up qdev reset stuff, so pci bus re

[Qemu-devel] Re: [PATCH 1/4] PCI: define PCIBUS_MAX_DEVICES and PCI_FUNCTIONS_PER_DEVICE in pci.h

2010-09-07 Thread Michael S. Tsirkin
On Tue, Aug 24, 2010 at 09:25:26PM +0800, Ken CC wrote: > And update the max function number used in struct PCIBus{} to > PCIBUS_MAX_FUNCTIONS = PCI_FUNCTIONS_PER_DEVICE * PCIBUS_MAX_DEVICES > > TODO: > according to Avi Kivity, PCIBus.devices[] should be renamed to functions[] > > Signed-off-

[Qemu-devel] Re: [PATCH 4/4] Rename PCI_FUNC_MAX to PCI_FUNCTIONS_PER_DEVICES in pci.[ch]

2010-09-07 Thread Michael S. Tsirkin
On Tue, Aug 24, 2010 at 09:28:11PM +0800, Ken CC wrote: > PCI_FUNC_MAX is introduced by > 6eab3de16d36c48a983366b09d0a0029a5260bc3 > and > 6fa84913eccec4266a27c81ae88465f6790742b9 > which should be safe to rename to PCI_FUNCTIONS_PER_DEVICES. > > Signed-off-by: Ken CC I liked the shorter name be

[Qemu-devel] Re: [PATCH 2/4] pci init: fail qemu if devfn exceeding the max function number supported on bus

2010-09-07 Thread Michael S. Tsirkin
On Tue, Aug 24, 2010 at 09:27:10PM +0800, Ken CC wrote: > Check if devfn < PCIBUS_MAX_DEVICES * PCI_FUNCTIONS_PER_DEVICE > > Signed-off-by: Ken CC > --- > hw/pci.c |1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > diff --git a/hw/pci.c b/hw/pci.c > index 9234fe3..fc4becd 100644 >

[Qemu-devel] -stable patch (was Re: [PATCHv2] qemu: e1000 fix TOR math)

2010-09-07 Thread Michael S. Tsirkin
On Tue, Sep 07, 2010 at 11:50:38AM +0200, Juan Quintela wrote: > "Michael S. Tsirkin" wrote: > > Patch b0b900070c7cb29bbefb732ec00397abe5de6d73 made > > TOR valuer incorrect: the spec says it should always > > include the CRC field. > > No one seems to use this field, but better to stick to spec.

[Qemu-devel] Re: [PATCH 3/4] Check pci slot number against PCIBUS_MAX_DEVICES in parse_pci_devfn

2010-09-07 Thread Michael S. Tsirkin
On Tue, Aug 24, 2010 at 09:27:41PM +0800, Ken CC wrote: > If pci addr provided from command line is bigger than 32, > PCIBUS_MAX_DEVICES, return error -EINVAL. > > 32 << 3 | 7 == 256 (PCIBUS_MAX_FUNCTIONS) > PCIBUS_MAX_FUNCTIONS = PCIBUS_MAX_DEVICES * PCI_FUNCTIONS_PER_DEVICE Not really sure what

[Qemu-devel] [PULL] virtio, e1000

2010-09-07 Thread Michael S. Tsirkin
Hi Anthony, The tx timer patches seem to be very stable, and generally a good cleanup, and there's a fallback flag to get the old behaviour, so if there are regressions it will be easy for people to diagnose. Mergeable buffer support has been out for a long while with no comments. e1000 patch is ve

Re: [Qemu-devel] Fwd: Guest hangs when I do general operation.

2010-09-07 Thread Blue Swirl
On Tue, Sep 7, 2010 at 2:43 AM, Amos Kong wrote: > -- Forwarded message -- > From: Amos Kong > Date: Tue, Sep 7, 2010 at 7:49 AM > Subject: Guest hangs when I do general operation. > To: 王箫 > > > kvm upstream: 43e413f7db1a4a90671dda0b1d6c1f8cb30673ed KVM: Whitespace > changes to

Re: [Qemu-devel] [PATCH 2/4] PPC: Qdev'ify e500 pci

2010-09-07 Thread Blue Swirl
On Tue, Sep 7, 2010 at 11:53 AM, Alexander Graf wrote: > The e500 PCI controller isn't qdev'ified yet. This leads to severe issues > when running with -drive. > > To be able to use a virtio disk with an e500 VM, let's convert the PCI > controller over to qdev. > > Signed-off-by: Alexander Graf >

[Qemu-devel] Stable patch tracking

2010-09-07 Thread Anthony Liguori
A lot of folks tend to reply to patches and suggest them for stable which is certainly appreciated but is very difficult for me to track reliably. So here's another way to nominate a patch for inclusion in -stable: http://wiki.qemu.org/Releases/0.13.0 Just copy/paste the template and fill out

Re: [Qemu-devel] [PATCH 4/4] cpu model corrections/updates: add verbose config file handling

2010-09-07 Thread Blue Swirl
On Tue, Sep 7, 2010 at 12:31 PM, john cooper wrote: > Failure by qemu to open a default config file isn't cause to > error exit -- it just quietly continues on.   After puzzling > issues with otherwise opaque config file locations and > startup handling numerous times, some help from qemu seemed >

Re: [Qemu-devel] [RFC] qed: Add QEMU Enhanced Disk format

2010-09-07 Thread Blue Swirl
On Mon, Sep 6, 2010 at 10:04 AM, Stefan Hajnoczi wrote: > QEMU Enhanced Disk format is a disk image format that forgoes features > found in qcow2 in favor of better levels of performance and data > integrity.  Due to its simpler on-disk layout, it is possible to safely > perform metadata updates m

Re: [Qemu-devel] [RFC] qed: Add QEMU Enhanced Disk format

2010-09-07 Thread Anthony Liguori
On 09/07/2010 02:25 PM, Blue Swirl wrote: On Mon, Sep 6, 2010 at 10:04 AM, Stefan Hajnoczi wrote: QEMU Enhanced Disk format is a disk image format that forgoes features found in qcow2 in favor of better levels of performance and data integrity. Due to its simpler on-disk layout, it is pos

Re: [Qemu-devel] [PATCH 4/4] PPC: Change PPC maintainer

2010-09-07 Thread Andreas Färber
Am 07.09.2010 um 13:53 schrieb Alexander Graf: Since nobody else seems interested in maintaining PPC, let's change the maintainer to myself. I keep a staging tree anyways and am probably the person touching most of that code these days. This changes the maintainer entry for working ppc targ

Re: [Qemu-devel] [PATCH 2/4] PPC: Qdev'ify e500 pci

2010-09-07 Thread Alexander Graf
On 07.09.2010, at 20:21, Blue Swirl wrote: > On Tue, Sep 7, 2010 at 11:53 AM, Alexander Graf wrote: >> The e500 PCI controller isn't qdev'ified yet. This leads to severe issues >> when running with -drive. >> >> To be able to use a virtio disk with an e500 VM, let's convert the PCI >> controlle

Re: [Qemu-devel] [RFC] qed: Add QEMU Enhanced Disk format

2010-09-07 Thread Christoph Hellwig
On Tue, Sep 07, 2010 at 11:12:15AM -0500, Anthony Liguori wrote: > IOW, what are valid values for backing_fmt? "raw" and "qed" are obvious > but what does it mean from a formal specification perspective to have > "vmdk"? Is that VMDK v3 or v4, what if there's a v5? It might be better to just u

Re: [Qemu-devel] [PATCH 4/4] PPC: Change PPC maintainer

2010-09-07 Thread Alexander Graf
On 07.09.2010, at 23:17, Andreas Färber wrote: > Am 07.09.2010 um 13:53 schrieb Alexander Graf: > >> Since nobody else seems interested in maintaining PPC, let's change the >> maintainer to myself. I keep a staging tree anyways and am probably the >> person touching most of that code these days.

Re: [Qemu-devel] [PATCH 4/4] PPC: Change PPC maintainer

2010-09-07 Thread Andreas Färber
Am 07.09.2010 um 23:36 schrieb Alexander Graf: On 07.09.2010, at 23:17, Andreas Färber wrote: Am 07.09.2010 um 13:53 schrieb Alexander Graf: Since nobody else seems interested in maintaining PPC, let's change the maintainer to myself. I keep a staging tree anyways and am probably the per

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