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2013-03-28hw/tcx: Remove unused 'addr' field and the property that sets itPeter Maydell2-3/+0
Remove the 'addr' field from TCXState (since it is completely unused), also the qdev property which sets it. This seems to be a relic from many years past; devices don't need to know where they are mapped. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-28hw/i386/pc: format load_linux functionliguang1-53/+56
Signed-off-by: liguang <lig.fnst@cn.fujitsu.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-28configure: show debug-info option in --help outputDunrong Huang1-0/+2
"--enable-debug-info" and "--disable-debug-info" were not shown in --help output. Signed-off-by: Dunrong Huang <huangdr@cloud-times.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-03-27spice-qemu-char: Drop hackish vmc_register on spice_chr_writeHans de Goede1-1/+0
Now that the core takes care of fe_open tracking we no longer need this hack. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Message-id: 1364292483-16564-12-git-send-email-hdegoede@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-27virtio-serial: propagate guest_connected to the port on post_loadAlon Levy1-0/+5
When migrating a host with with a spice agent running the mouse becomes non operational after the migration due to the agent state being inconsistent between the guest and the client. After migration the spicevmc backend on the destination has never been notified of the (non 0) guest_connected state. Virtio-serial holds this state information and migrates it, this patch properly propagates this information to virtio-console and through that to interested chardev backends. rhbz #725965 Signed-off-by: Hans de Goede <hdegoede@redhat.com> Message-id: 1364292483-16564-11-git-send-email-hdegoede@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-27virtio-serial: Consolidate guest_open/guest_close into set_guest_connectedHans de Goede3-32/+12
Signed-off-by: Hans de Goede <hdegoede@redhat.com> Message-id: 1364292483-16564-10-git-send-email-hdegoede@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-27qemu-char: add_handlers: Don't re-send the be_open event on unregisterHans de Goede1-1/+1
Resending the be_open event only is useful when a frontend is registering, not when it is unregistering. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Message-id: 1364292483-16564-9-git-send-email-hdegoede@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-27qemu-char: Move incrementing of avail_connections to qdev-properties-systemHans de Goede2-4/+4
The decrement of avail_connections is done in qdev-properties-system move the increment there too for proper balancing of the calls. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Message-id: 1364292483-16564-8-git-send-email-hdegoede@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-27qemu-char: Consolidate guest_close/guest_open into a set_fe_open callbackHans de Goede3-19/+11
Signed-off-by: Hans de Goede <hdegoede@redhat.com> Message-id: 1364292483-16564-7-git-send-email-hdegoede@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-27qemu-char: Cleanup: consolidate fe_open/fe_close into fe_set_openHans de Goede3-33/+12
Signed-off-by: Hans de Goede <hdegoede@redhat.com> Message-id: 1364292483-16564-6-git-send-email-hdegoede@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-27qemu-char: Automatically do fe_open / fe_close on qemu_chr_add_handlersHans de Goede4-2/+15
Most frontends can't really determine if the guest actually has the frontend side open. So lets automatically generate fe_open / fe_close as soon as a frontend becomes ready (as signalled by calling qemu_chr_add_handlers) / becomes non ready (as signalled by setting all handlers to NULL). And allow frontends which can actually determine if the guest is listening to opt-out of this. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Message-id: 1364292483-16564-5-git-send-email-hdegoede@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-27qemu-char: Add fe_open trackingHans de Goede2-0/+9
Add tracking of the fe_open state to struct CharDriverState. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Message-id: 1364292483-16564-4-git-send-email-hdegoede@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-27qemu-char: Rename qemu_chr_generic_open to qemu_chr_be_generic_openHans de Goede5-16/+16
To better reflect that it is for handling a backend being opened. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Message-id: 1364292483-16564-3-git-send-email-hdegoede@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-27qemu-char: Rename opened to be_openHans de Goede5-8/+8
Rename the opened variable to be_open to reflect that it contains the opened state of the backend. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Message-id: 1364292483-16564-2-git-send-email-hdegoede@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-27compiler: fix warning with GCC 4.8.0Paolo Bonzini1-1/+1
GCC 4.8.0 introduces a new warning: block/qcow2-snapshot.c: In function 'qcow2_write_snapshots’: block/qcow2-snapshot.c:252:18: error: typedef 'qemu_build_bug_on__253' locally defined but not used [-Werror=unused-local-typedefs] QEMU_BUILD_BUG_ON(offsetof(QCowHeader, snapshots_offset) != ^ cc1: all warnings being treated as errors (Caret diagnostics aren't perfect yet with macros... :)) Work around it with __attribute__((unused)). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1364391272-1128-1-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-26Merge remote-tracking branch 'mst/tags/for_anthony' into stagingAnthony Liguori39-131/+348
virtio,pci,qom Work by Alex to support VGA assignment, pci and virtio fixes by Stefan, Jason and myself, and a new qmp event for hotplug support by myself. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Tue 26 Mar 2013 02:02:24 PM CDT using RSA key ID D28D5469 # gpg: Can't check signature: public key not found # By Alex Williamson (13) and others # Via Michael S. Tsirkin * mst/tags/for_anthony: (23 commits) pcie: Add endpoint capability initialization wrapper roms: switch oldnoconfig to olddefconfig pcie: Mangle types to match topology pci: Create and use API to determine root buses pci: Create pci_bus_is_express helper pci: Q35, Root Ports, and Switches create PCI Express buses pci: Allow PCI bus creation interfaces to specify the type of bus pci: Move PCI and PCIE type defines pci: Create and register a new PCI Express TypeInfo exec: assert that RAMBlock size is non-zero pci: refuse empty ROM files pci_bridge: Remove duplicate IRQ swizzle function pci_bridge: Use a default map_irq function pci: Fix INTx routing notifier recursion pci_bridge: drop formatting from source pci_bridge: factor out common code pci: Teach PCI Bridges about VGA routing pci: Add PCI VGA helpers virtio-pci: guest notifier mask without non-irqfd virtio-net: remove layout assumptions for mq ctrl ...
2013-03-26pcie: Add endpoint capability initialization wrapperAlex Williamson3-14/+18
Fix the awkward API of mangling the caller specified PCIe type and just provide an interface to initialize an endpoint device. This will pick either a regular endpoint or integrated endpoint based on the bus and return pcie_cap_init to doing exactly what is asked. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26roms: switch oldnoconfig to olddefconfigMichael S. Tsirkin1-1/+1
When a new option is added that qemu does not know about, the prudent thing is to use the default not force it to "no". Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pcie: Mangle types to match topologyAlex Williamson1-0/+13
Windows will fail to start drivers for devices with an Endpoint type PCIe capability attached to a Root Complex (code 10 - Device cannot start). The proper type for such a device is Root Complex Integrated Endpoint. Devices don't care which they are, so do this conversion automatically. This allows the Windows driver to load for nec-usb-xhci when attached to pcie.0 of a q35 machine. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pci: Create and use API to determine root busesAlex Williamson2-4/+10
Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pci: Create pci_bus_is_express helperAlex Williamson2-0/+6
For testing the bus type. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pci: Q35, Root Ports, and Switches create PCI Express busesAlex Williamson4-4/+4
Convert q35, ioh3420, xio3130_upstream, and xio3130_downstream to use the new TYPE_PCIE_BUS. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pci: Allow PCI bus creation interfaces to specify the type of busAlex Williamson24-35/+40
No change to any types. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pci: Move PCI and PCIE type definesAlex Williamson2-4/+5
Move these so that we can reference them from a more common header instead of including pci_bus.h everywhere. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pci: Create and register a new PCI Express TypeInfoAlex Williamson2-0/+7
This will allow us to differentiate Express and Legacy buses. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26exec: assert that RAMBlock size is non-zeroStefan Hajnoczi1-0/+2
find_ram_offset() does not handle size=0 gracefully. It hands out the same RAMBlock offset multiple times, leading to obscure failures later on. Add an assert to warn early if something is incorrectly allocating a zero size RAMBlock. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pci: refuse empty ROM filesStefan Hajnoczi1-1/+6
A zero size ROM file is invalid and should produce a warning. Attempting to use a zero size file ends up hitting an assertion qemu_ram_set_idstr() because RAMBlocks with duplicate addresses are allocated - due to zero size the allocator doesn't increment the next available RAMBlock offset. Also convert __FUNCTION__ to __func__ while we're touching this code. There are no other __FUNCTION__ instances in pci.c anymore. Reported-by: Milos Ivanovic <milosivanovic@orcon.net.nz> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pci_bridge: Remove duplicate IRQ swizzle functionAlex Williamson1-9/+0
pci_bridge_dev_map_irq_fn() is identical to pci_swizzle_map_irq_fn(), which is now the default for all PCI bridges. We can therefore remove this function and the pci_bridge_map_irq() call that used it. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pci_bridge: Use a default map_irq functionAlex Williamson1-1/+1
The PCI bridge spec defines a default swizzle for translating INTx IRQs from secondary bus to primary. Use this by default for any bridge that doesn't set a function. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pci: Fix INTx routing notifier recursionAlex Williamson1-3/+4
For some reason we recurse to fire the INTx routing notifier for each child of a bus, for each possible device of a bus. That means that if we add a root port, the notifier gets called for that bridge 256 times. If we add an upstream switch behind that root port, 256^2. But of course we need a downstream switch, 256^3. This starts to be noticeable. Stop the insanity. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pci_bridge: drop formatting from sourceMichael S. Tsirkin1-8/+0
We use the same formatting for all files, it doesn't make sense to have formatting directives only in pci bridge header. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pci_bridge: factor out common codeMichael S. Tsirkin3-19/+22
Reuse common code in pcie_port, override the hardwired-to-0 bits per PCI Express spec. No functional change but makes the code easier to follow. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pci: Teach PCI Bridges about VGA routingAlex Williamson4-2/+55
Each PCI Bridge has a set of implied VGA regions that are enabled when the VGA bit is set in the bridge control register. This allows VGA devices behind bridges. Unfortunately with VGA Enable, which we formerly allowed but didn't back, comes along some required VGA baggage. VGA Palette Snooping is required, along with VGA 16-bit decoding. We don't yet have support for palette snooping. We also don't have support for 10-bit VGA aliases, the default mode, but we enable the register, even on root ports, to avoid confusing guests. Fortunately there's likely nothing from this century that requires these features, so the missing bits are noted with TODOs. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26pci: Add PCI VGA helpersAlex Williamson2-0/+82
Allow devices to register VGA memory regions for handling PCI spec defined VGA I/O port and MMIO areas. PCI will attach these to the bus address spaces and enable them according to the device command register value. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26virtio-pci: guest notifier mask without non-irqfdMichael S. Tsirkin1-35/+44
non-irqfd setups are currently broken with vhost: we start up masked and nothing unmasks the interrupts. Fix by using mask notifiers, same as the irqfd path. Sharing irqchip/non irqchip code is always a good thing, in this case it will help non irqchip benefit from backend masking optimization. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26virtio-net: remove layout assumptions for mq ctrlJason Wang1-11/+12
Following commit 921ac5d0f3a0df869db5ce4edf752f51d8b1596a (virtio-net: remove layout assumptions for ctrl vq), this patch makes multiqueue ctrl handling not rely on the layout of descriptors. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26qmp: add path to device_deleted eventMichael S. Tsirkin2-3/+8
Add QOM path to device deleted event. It now becomes useful to report it for devices which don't have an ID assigned. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26qom: call class destructor before unparentMichael S. Tsirkin1-3/+3
It seems more logical to have destruction flow start with the subclass and move up to the base class. This ensures object has a valid canonical path when destructor is called. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-26Merge remote-tracking branch 'quintela/migration.next' into stagingAnthony Liguori13-87/+375
# By Peter Lieven (9) and others # Via Juan Quintela * quintela/migration.next: (22 commits) Use qemu_put_buffer_async for guest memory pages Add qemu_put_buffer_async Use writev ops if available Store the data to send also in iovec Update bytes_xfer in qemu_put_byte Add socket_writev_buffer function Add QemuFileWritevBuffer QemuFileOps migration: use XBZRLE only after bulk stage migration: do not search dirty pages in bulk stage migration: do not sent zero pages in bulk stage migration: add an indicator for bulk state of ram migration migration: search for zero instead of dup pages bitops: unroll while loop in find_next_bit() buffer_is_zero: use vector optimizations if possible cutils: add a function to find non-zero content in a buffer move vector definitions to qemu-common.h savevm: Fix bugs in the VMSTATE_VBUFFER_MULTIPLY definition savevm: Add VMSTATE_STRUCT_VARRAY_POINTER_UINT32 savevm: Add VMSTATE_FLOAT64 helpers savevm: Add VMSTATE_UINTTL_EQUAL helper ...
2013-03-26Merge remote-tracking branch 'cohuck/virtio-ccw-upstr' into stagingAnthony Liguori1-0/+3
# By Cornelia Huck # Via Cornelia Huck * cohuck/virtio-ccw-upstr: virtio-ccw: Queue sanity check for notify hypercall.
2013-03-26virtio-ccw: Queue sanity check for notify hypercall.Cornelia Huck1-0/+3
Verify that the virtio-ccw notify hypercall passed a reasonable value for queue. Cc: qemu-stable@nongnu.org Reported-by: Alexander Graf <agraf@suse.de> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2013-03-26qtest: use synchronous I/O for char deviceAnthony Liguori1-1/+1
Peter reported that rtc-test would periodically hang. It turns out this was due to an EAGAIN occurring on qemu_chr_fe_write. Instead of heavily refactoring qtest, just use a synchronous version of the write operation for qemu_chr_fe_write to address this problem. Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-26char: introduce a blocking version of qemu_chr_fe_writeAnthony Liguori2-0/+42
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-26hw/qdev: Abort rather than ignoring errors adding device propertiesPeter Maydell1-3/+7
Instead of ignoring any errors that occur when adding properties to a new device in device_initfn(), check for them and abort if any occur. The most likely cause is accidentally adding a duplicate property, which is a programming error by the device author. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1364217314-7400-3-git-send-email-peter.maydell@linaro.org Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-26qom: Detect attempts to add a property that already existsPeter Maydell1-1/+12
Detect attempts to add a property to an object if one of that name already exists, and report them as errors. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1364217314-7400-2-git-send-email-peter.maydell@linaro.org Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-26hw/qdev-properties.c: Improve diagnostic for setting property after realizePeter Maydell5-17/+43
Now we have error_setg() we can improve the error message emitted if you attempt to set a property of a device after the device is realized (the previous message was "permission denied" which was not very informative). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1364218844-7509-1-git-send-email-peter.maydell@linaro.org Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-26virtio-scsi: cleanup: remove qdev field.KONRAD Frederic2-3/+0
The qdev field is no longer needed. Just drop it. Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com> Message-id: 1363875320-7985-11-git-send-email-fred.konrad@greensocs.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-26virtio-scsi: cleanup: init and exit functions.KONRAD Frederic1-50/+10
This remove old init and exit function as they are no longer needed. Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com> Message-id: 1363875320-7985-10-git-send-email-fred.konrad@greensocs.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-26virtio-scsi: cleanup: use QOM casts.KONRAD Frederic2-21/+27
As the virtio-scsi-pci and virtio-scsi-s390 are switched to the new API, we can use QOM casts. Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com> Message-id: 1363875320-7985-9-git-send-email-fred.konrad@greensocs.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-26virtio-scsi-ccw: switch to new APIKONRAD Frederic2-13/+26
Here the virtio-scsi-ccw is modified for the new API. The device virtio-scsi-ccw extends virtio-ccw-device as before. It creates and connects a virtio-scsi during the init. The properties are not modified. Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com> Message-id: 1363875320-7985-8-git-send-email-fred.konrad@greensocs.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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