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2011-07-19VMDK: move 'static' cid_update flag to bs fieldFam Zheng
Cid_update is the flag for updating CID on first write after opening the image. This should be per image open rather than per program life cycle, so change it from static var of vmdk_write to a field in BDRVVmdkState. Signed-off-by: Fam Zheng <famcool@gmail.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-19VMDK: flush multiple extentsFam Zheng
Flush all the file that referenced by the image. Signed-off-by: Fam Zheng <famcool@gmail.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-19VMDK: add field BDRVVmdkState.desc_offsetFam Zheng
There are several occurrence of magic number 0x200 as the descriptor offset within mono sparse image file. This is not the case for images with separate descriptor file. So a field is added to BDRVVmdkState to hold the correct value. Signed-off-by: Fam Zheng <famcool@gmail.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-19VMDK: separate vmdk_open by format versionFam Zheng
Separate vmdk_open by subformats to: * vmdk_open_vmdk3 * vmdk_open_vmdk4 Signed-off-by: Fam Zheng <famcool@gmail.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-19VMDK: probe for monolithicFlat imagesFam Zheng
Probe as the same behavior as VMware does. Recognize image as monolithicFlat descriptor file when the file is text and the first effective line (not '#' leaded comment or space line) is either 'version=1' or 'version=2'. No space or upper case charactors accepted. Signed-off-by: Fam Zheng <famcool@gmail.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-19VMDK: bugfix, align offset to cluster in get_whole_clusterFam Zheng
In get_whole_cluster, the offset is not aligned to cluster when reading from backing_hd. When the first write to child is not at the cluster boundary, wrong address data from parent is copied to child. Signed-off-by: Fam Zheng <famcool@gmail.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-19VMDK: introduce VmdkExtentFam Zheng
Introduced VmdkExtent array into BDRVVmdkState, enable holding multiple image extents for multiple file image support. Signed-off-by: Fam Zheng <famcool@gmail.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-19qemu-config: Document -drive optionsLuiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-19qemu-options.hx: Document missing -drive optionsLuiz Capitulino
They are 'werror', 'rerror' and 'readonly'. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-19scsi-disk: Mask out serial number EVPDHannes Reinecke
If the serial number is not set we should mask it out in the list of supported VPD pages and mark it as not supported. Signed-off-by: Hannes Reinecke <hare@suse.de> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-19scsi-disk: Fixup debugging statementHannes Reinecke
A debugging statement wasn't converted to the new interface. Signed-off-by: Hannes Reinecke <hare@suse.de> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-19scsi: Add 'hba_private' to SCSIRequestHannes Reinecke
'tag' is just an abstraction to identify the command from the driver. So we should make that explicit by replacing 'tag' with a driver-defined pointer 'hba_private'. This saves the lookup for driver handling several commands in parallel. 'tag' is still being kept for tracing purposes. Signed-off-by: Hannes Reinecke <hare@suse.de> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-19Merge remote-tracking branch 'agraf/xen-next' into stagingAnthony Liguori
2011-07-19Merge remote-tracking branch 'kraxel/usb.19' into stagingAnthony Liguori
2011-07-19Merge remote-tracking branch 'spice/spice.v38' into stagingAnthony Liguori
2011-07-19Merge remote-tracking branch 'mst/for_anthony' into stagingAnthony Liguori
2011-07-19Merge remote-tracking branch 'riku/linux-user-for-upstream' into stagingAnthony Liguori
2011-07-18iov: Update parameter usage in iov_(to|from)_buf()Hannes Reinecke
iov_to_buf() has an 'offset' parameter, iov_from_buf() hasn't. This patch adds the missing parameter to iov_from_buf(). It also renames the 'offset' parameter to 'iov_off' to emphasize it's the offset into the iovec and not the buffer. Signed-off-by: Hannes Reinecke <hare@suse.de> Acked-by: Alexander Graf <agraf@suse.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-18qemu-io: Fix if scoping bugDevin Nakamura
Fix a bug caused by lack of braces in if statement Lack of braces means that if(count & 0x1ff) is never reached Signed-off-by: Devin Nakamura <devin122@gmail.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-18qemu-io: Fix formattingDevin Nakamura
Replaced tabs with spaces, 8 space indentations with 4 space indentation, and other fixes to better adhere to CODING_STYLE Signed-off-by: Devin Nakamura <devin122@gmail.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-18sheepdog: add full data preallocation supportMORITA Kazutaka
This introduces qemu-img create option for sheepdog which allows the data to be fully preallocated (note that sheepdog always preallocates metadata). The option is disabled by default and you need to enable it like the following: qemu-img create sheepdog:test -o preallocation=full 1G Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-07-18virtio-console: Prevent abort()s in case of host chardev closeAmit Shah
A host chardev could close just before the guest sends some data to be written. This will cause an -EPIPE error. This shouldn't be propagated to virtio-serial-bus. Ideally we should close the port once -EPIPE is received, but since the chardev interface doesn't return such meaningful values to its users, all we get is -1 for any kind of error. Just return 0 for now and wait for chardevs to return better error messages to act better on the return messages. Signed-off-by: Amit Shah <amit.shah@redhat.com>
2011-07-18virtio-serial-bus: Fix trailing \n in error_report stringAmit Shah
Markus fixed offenders in the file but one instance sneaked in via another patch. Fix it. Signed-off-by: Amit Shah <amit.shah@redhat.com>
2011-07-18virtio-console: Add some trace eventsAmit Shah
Add some trace events for messages passed between the char layer and the virtio-serial bus. Signed-off-by: Amit Shah <amit.shah@redhat.com>
2011-07-18virtio-serial-bus: Add trace eventsAmit Shah
Add some trace events for messages passed between the guest and host. Signed-off-by: Amit Shah <amit.shah@redhat.com>
2011-07-17virtio: fix indirect descriptor buffer overflowMichael S. Tsirkin
We were previously allowing arbitrarily-long indirect descriptors, which could lead to a buffer overflow in qemu-kvm process. CVE-2011-2212 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-07-17xen: move to new pci initializersMichael S. Tsirkin
move ids to pci info structure Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-07-17hw/piix_pci.c: Fix PIIX3-xen to initialize idsAnthony PERARD
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-07-17pci_ids: tweak names to match linux/pci_ids.hMichael S. Tsirkin
Sync xen names to ones used by linux. Add xen platform device id as well. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-07-17vhost: fix double free on device stopMichael S. Tsirkin
vhost dev stop failed to clear the log field. Typically not an issue as dev start overwrites this field, but if logging gets disabled before the following start, it doesn't so this causes a double free. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-07-17xen_console: fall back to qemu serial deviceAlexander Graf
The new xen_console protocol changed the default xen_console output device from whatever Qemu chose to whatever xenstore choses and "pty" as fallback. This is not how Qemu works. It has its own serial redirection semantics. So it xenstore doesn't contain information on what to do, Qemu is the place to ask. Signed-off-by: Alexander Graf <agraf@suse.de>
2011-07-17xen_console: support the new extended xenstore protocolStefano Stabellini
Since CS 21994 on xen-unstable.hg and CS 466608f3a32e1f9808acdf832a5843af37e5fcec on qemu-xen-unstable.git, few changes have been introduced to the PV console xenstore protocol, as described by the document docs/misc/console.txt under xen-unstable.hg. From the Qemu point of view, very few modifications are needed to correctly support the protocol: read from xenstore the "output" node that tell us what the output of the PV console is going to be. In case the output is a tty, write to xenstore the device name. Changes in v2: - fix error paths: free malloc'ed strings and close the xenstore connection before returning; - remove useless snprintf in xenstore_store_pv_console_info if i == 0. Changes in v3: - replace xs_daemon_open/xs_daemon_close with xs_open/xs_close. Changes in v4: - add a compatibility implementation of xs_open/xs_close. Changes in v5: - fix code style. [agraf] fix build error due to missing stub Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-07-17checkpatch: don't error out on },{ linesAlexander Graf
When having code like this: static PCIDeviceInfo piix_ide_info[] = { { .qdev.name = "piix3-ide", .qdev.size = sizeof(PCIIDEState), .qdev.no_user = 1, .no_hotplug = 1, .init = pci_piix_ide_initfn, .vendor_id = PCI_VENDOR_ID_INTEL, .device_id = PCI_DEVICE_ID_INTEL_82371SB_1, .class_id = PCI_CLASS_STORAGE_IDE, },{ .qdev.name = "piix4-ide", .qdev.size = sizeof(PCIIDEState), .qdev.no_user = 1, .no_hotplug = 1, .init = pci_piix_ide_initfn, .vendor_id = PCI_VENDOR_ID_INTEL, .device_id = PCI_DEVICE_ID_INTEL_82371AB, .class_id = PCI_CLASS_STORAGE_IDE, },{ /* end of list */ } }; checkpatch currently errors out, claiming that spaces need to follow commas. However, this particular style of defining structs is pretty common in qemu code and very readable. So let's declare it as supported for the above case. Reported-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-07-17xen_disk: treat "aio" as "raw"Stefano Stabellini
Sometimes the toolstack uses "aio" without an additional format identifier, in such cases use "raw". Updated in v2: - fix code style. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-07-17qemu_ram_ptr_length: take ram_addr_t as argumentsStefano Stabellini
qemu_ram_ptr_length should take ram_addr_t as argument rather than target_phys_addr_t because is doing comparisons with RAMBlock addresses. cpu_physical_memory_map should create a ram_addr_t address to pass to qemu_ram_ptr_length from PhysPageDesc phys_offset. Remove code after abort() in qemu_ram_ptr_length. Changes in v2: - handle 0 size in qemu_ram_ptr_length; - rename addr1 to raddr; - initialize raddr to ULONG_MAX. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-07-17xen_disk: cope with missing xenstore "params" nodeStefano Stabellini
When disk is a cdrom and the drive is empty the "params" node in xenstore might be missing completely: cope with it instead of segfaulting. Updated in v2: - actually removed the strchr(blkdev->params, ':') that caused the segfault; - free all the allocated strings from xenstore before returning; Updated in v3: - set blkdev fields to NULL after free'ing them. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-07-17xen: add vkbd support for PV on HVM guestsStefano Stabellini
Register the vkbd backend even when running as device emulator for HVM guests: it is useful because it doesn't need a frequent timer like usb. Check whether the XenInput DisplayState has been set in the initialise state, rather than the input state. In case the DisplayState hasn't been set and there is no vfb for this domain, then set the XenInput DisplayState to the default one. Changed in v2: - use qemu_free instead of free; Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-07-17xen_console: fix memory leakStefano Stabellini
con_init leaks the string "type", fix it. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-07-17xen: enable console and disk backend in HVM modeStefano Stabellini
Initialize the Xen console backend and the Xen disk backend even when running in HVM mode so that PV on HVM drivers can connect to them. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-07-17xen: Fold CONFIG_XEN_MAPCACHE into CONFIG_XENJan Kiszka
Xen won't be enabled if there is no backend support available for the host. And that also means the map cache will work. So drop the separate config switch and move the required stubs over to xen-stub.c. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-07-17xen: Clean up map cache API namingJan Kiszka
The map cache is a Xen thing, so its API should make this clear. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-07-17xen: Clean up build systemJan Kiszka
Introduce CONFIG_XEN_BACKEND so that this new config solely controls the target-independent backend build and CONFIG_XEN can focus on per-target building. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2011-07-16Fix signal handling of SIG_IPI when io-thread is enabledAlexandre Raymond
Both the signal thread (via sigwait()) and the cpu thread (via a normal signal handler) were attempting to catch SIG_IPI. This resulted in random freezes under Darwin. This patch separates SIG_IPI from the rest of the signals handled by the signal thread, because it is independently caught by the cpu thread. Signed-off-by: Alexandre Raymond <cerbere@gmail.com> Acked-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-07-16Fix signal handling when io-thread is disabledAlexandre Raymond
Changes since v1: - take pthread_sigmask() out of the ifdef as it is now common to both parts. This fix effectively blocks, in the main thread, the signals handled by signalfd or the compatibility signal thread. This way, such signals are received synchronously in the main thread through sigfd_handler() instead of triggering the signal handler directly, asynchronously. Signed-off-by: Alexandre Raymond <cerbere@gmail.com> Acked-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-07-16tcg/README: Expand advice on number of TCG ops per target insnPeter Maydell
Expand the note on the number of TCG ops generated per target insn, to be clearer about the range of applicability of the 20 op rule of thumb. Also add a note about the hard MAX_OP_PER_INSTR limit. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-07-14set ELF_HWCAP for SPARC and SPARC64Artyom Tarasenko
setting ELF_HWCAP fixes dynamic library loading for Linux/sparc64 This patch allows loading busybox from Debian 6 initrd Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-07-14Sparc: fix FPU and AM enable checks for translationBlue Swirl
Translation used incorrectly CPUState fields directly to check for FPU enable state and 32 bit address masking on Sparc64. Fix by using TB flags instead. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-07-14SPARC64: C99 comment fix for block-transfer ASIsTsuneo Saito
Fixed C99 comments on block-tranfer ASIs. Signed-off-by: Tsuneo Saito <tsnsaito@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-07-14SPARC64: Add JPS1 ASI_BLK_AIU[PS]L ASIs for ldfa and stfaTsuneo Saito
Support JPS1 little endian block transfer ASIs. Signed-off-by: Tsuneo Saito <tsnsaito@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-07-14SPARC64: Add UA2007 ASI_BLK_AIU[PS]L? ASIs for stfaTsuneo Saito
Support UA2007 block store ASIs for stfa instructions. Signed-off-by: Tsuneo Saito <tsnsaito@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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