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This is an autogenerated patch using scripts/switch-timer-api.
Switch the entire code base to using the new timer API.
Note this patch may introduce some line length issues.
Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Analogously to other NICs, we have to inform the network layer when
the can_receive handler will no longer report 0. Without this, we may
get stuck waiting on queued incoming packets.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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'dprintf' is the name of a POSIX standard function so we should not be
stealing it for our debug macro. Rename to 'DPRINTF' (in line with
a number of other source files.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Acked-by: Richard Henderson <rth@twiddle.net>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 1375100199-13934-5-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
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Introduce type constant and use QOM casts and typedef consistently.
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Drop freeing stellaris_enet_state - that is done by QOM later on unref.
Both MemoryRegion init and savevm registration happen in SysBusDevice
initfn currently, so move them into an unrealizefn for now.
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
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Also add a typedef.
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
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The category will be used to sort the devices displayed in
the command line help.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Message-id: 1375107465-25767-4-git-send-email-marcel.a@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Made small tweaks in code to prevent compilation issues
when importing qemu/bitmap.h in qdev-core
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Message-id: 1375107465-25767-2-git-send-email-marcel.a@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This patch adds the necessary VMStateDescription information to support
savevm/loadvm for the spapr_llan (PAPR logical lan) device.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1374175984-8930-4-git-send-email-aliguori@us.ibm.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The macro g_assert_not_reached is a better self documenting replacement
for assert(0) or assert(false).
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Define and use standard QOM cast macro. Remove usages of DO_UPCAST()
and direct -> style upcasting.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
[AF: Renamed parent field, renamed from PC_NET to PCNET]
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Replace direct uses of RTL8139State::dev with QOM casts and rename it to
parent_obj.
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Define and use standard QOM cast macro. Remove usages of DO_UPCAST()
and direct -> style upcasting.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Replace direct uses of E1000State::dev field with QOM casts and rename
it to parent_obj.
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Define and use standard QOM cast macro. Remove usages of DO_UPCAST()
and direct -> style upcasting.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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# By Markus Armbruster
# Via Stefan Hajnoczi
* stefanha/tracing:
trace-events: Fix up source file comments
trace-events: Drop unused events
milkymist-minimac2: Fix minimac2_read/_write tracepoints
slavio_misc: Fix slavio_led_mem_readw/_writew tracepoints
cleanup-trace-events.pl: New
Message-id: 1374119369-26496-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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pci,net,pc enhancements
This includes some fixes and enhancements that accumulated in my tree:
pci fixes by dkoch, virtio-net enhancements by akong and mst,
and a fix for xen pc by mst.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Wed 17 Jul 2013 04:44:45 AM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Don Koch (2) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
pc: don't access fw cfg if NULL
virtio-net: add feature bit for any header s/g
net: add support of mac-programming over macvtap in QEMU side
pci: fix BRDIGE typo
pci-bridge: update mappings for migration/restore
Message-id: 1374054430-21966-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Broken in milkymist-minimac.c from the start (commit 0742454),
faithfully moved to milkymist-minimac2.c (commit 57aa265).
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Currently macvtap based macvlan device is working in promiscuous
mode, we want to implement mac-programming over macvtap through
Libvirt for better performance.
Design:
QEMU notifies Libvirt when rx-filter config is changed in guest,
then Libvirt query the rx-filter information by a monitor command,
and sync the change to macvtap device. Related rx-filter config
of the nic contains main mac, rx-mode items and vlan table.
This patch adds a QMP event to notify management of rx-filter change,
and adds a monitor command for management to query rx-filter
information.
Test:
If we repeatedly add/remove vlan, and change macaddr of vlan
interfaces in guest by a loop script.
Result:
The events will flood the QMP client(management), management takes
too much resource to process the events.
Event_throttle API (set rate to 1 ms) can avoid the events to flood
QMP client, but it could cause an unexpected delay (~1ms), guests
guests normally expect rx-filter updates immediately.
So we use a flag for each nic to avoid events flooding, the event
is emitted once until the query command is executed. The flag
implementation could not introduce unexpected delay.
There maybe exist an uncontrollable delay if we let Libvirt do the
real change, guests normally expect rx-filter updates immediately.
But it's another separate issue, we can investigate it when the
work in Libvirt side is done.
Michael S. Tsirkin: tweaked to enable events on start
Michael S. Tsirkin: fixed not to crash when no id
Michael S. Tsirkin: fold in patch:
"additional fixes for mac-programming feature"
Amos Kong: always notify QMP client if mactable is changed
Amos Kong: return NULL list if no net client supports rx-filter query
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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pci,misc enhancements
This includes some pci enhancements:
Better support for systems with multiple PCI root buses
FW cfg interface for more robust pci programming in BIOS
Minor fixes/cleanups for fw cfg and cross-version migration -
because of dependencies with other patches
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 07 Jul 2013 03:11:18 PM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By David Gibson (10) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
pci: Fold host_buses list into PCIHostState functionality
pci: Remove domain from PCIHostBus
pci: Simpler implementation of primary PCI bus
pci: Add root bus parameter to pci_nic_init()
pci: Add root bus argument to pci_get_bus_devfn()
pci: Replace pci_find_domain() with more general pci_root_bus_path()
pci: Use helper to find device's root bus in pci_find_domain()
pci: Abolish pci_find_root_bus()
pci: Move pci_read_devaddr to pci-hotplug-old.c
pci: Cleanup configuration for pci-hotplug.c
pvpanic: fix fwcfg for big endian hosts
pvpanic: initialization cleanup
MAINTAINERS: s/Marcelo/Paolo/
e1000: cleanup process_tx_desc
pc_piix: cleanup init compat handling
pc: pass PCI hole ranges to Guests
pci: store PCI hole ranges in guestinfo structure
range: add Range structure
Message-id: 1373228271-31223-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Coverity complains about two overruns in process_tx_desc(). The
complaints are false positives, but we might as well eliminate
them. The problem is that "hdr" is defined as an unsigned int,
but then used to offset an array of size 65536, and another of
size 256 bytes. hdr will actually never be greater than 255
though, as it's assigned only once and to the value of
tp->hdr_len, which is an uint8_t. This patch simply gets rid of
hdr, replacing it with tp->hdr_len, which makes it consistent
with all other tp member use in the function.
v2:
- also cleanup coding style issues in the touched lines
Signed-off-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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* 'realize-isa.v2' of git://github.com/afaerber/qemu-cpu:
qdev: Drop FROM_QBUS() macro
isa: QOM'ify ISADevice
isa: QOM'ify ISABus
i8259: Convert PICCommonState to use QOM realizefn
kvm/i8259: QOM'ify some more
i8259: QOM'ify some more
i8254: Convert PITCommonState to QOM realizefn
kvm/i8254: QOM'ify some more
i8254: QOM'ify some more
isa: Use realizefn for ISADevice
cs4231a: QOM'ify some more
gus: QOM'ify some more
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# By Jason Wang (1) and Stefan Hajnoczi (1)
# Via Stefan Hajnoczi
* stefanha/net:
tap: fix NULL dereference when passing invalid parameters to tap
vmxnet3: fix NICState cleanup
Message-id: 1370613288-14933-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Obviously the code wanted to mask the lower bits but failed to do so
because of a missing "<".
cppcheck detected a conditional expression which was always true (1 < 7).
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
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Drop ISADeviceClass::init and the resulting no-op initfn and let
children implement their own realizefn. Adapt error handling.
Split off an instance_init where sensible.
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Use qemu_del_nic() instead of qemu_del_net_client() to correctly free
the entire NICState.
Cc: qemu-stable@nongnu.org
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Net queues support efficient "receive disable". For example, tap's file
descriptor will not be polled while its peer has receive disabled. This
saves CPU cycles for needlessly copying and then dropping packets which
the peer cannot receive.
rtl8139 is missing the qemu_flush_queued_packets() call that wakes the
queue up when receive becomes possible again.
As a result, the Windows 7 guest driver reaches a state where the
rtl8139 cannot receive packets. The driver has actually refilled the
receive buffer but we never resume reception.
The bug can be reproduced by running a large FTP 'get' inside a Windows
7 guest:
$ qemu -netdev tap,id=tap0,...
-device rtl8139,netdev=tap0
The Linux guest driver does not trigger the bug, probably due to a
different buffer management strategy.
Reported-by: Oliver Francke <oliver.francke@filoo.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Virtio-net driver currently negotiates network offloads
on startup via features mechanism and have no ability to
disable and re-enable offloads later.
This patch introduced a new control command that allows
to configure device network offloads state dynamically.
The patch also introduces a new feature flag
VIRTIO_NET_F_CTRL_GUEST_OFFLOADS.
Signed-off-by: Dmitry Fleytman <dfleytma@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20130520081814.GA8162@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This adds virtio_net_set_netclient_name, which is used to set the
name and type shown in "info network" command.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1368619970-23892-2-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Commit 32993698 (vhost: disable on tap link down) tries to disable the vhost
also when the peer's link is down. But the check was not done properly, the
vhost were only started when:
1) peer's link is not down
2) virtio-net has already been started.
Since == have a higher precedence than &&, place a brace to make sure both the
conditions were met then does the check. This fixes the crash when doing a savem
after set the link off which let qemu crash and complains:
virtio_net_save: Assertion `!n->vhost_started' failed.
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-id: 1366972060-21606-1-git-send-email-jasowang@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Normally, the "tap" device is polled by QEMU if a guest NIC can
receive packets. If a guest NIC is stopped during transfer (rmmod or
ifdown), it may still have packets in a queue which have to be send
to the guest before QEMU enables polling of a "tap" interface via
tap_update_fd_handler().
However the spapr_llan device was missing the qemu_flush_queued_packets()
call so the tap_send_completed() callback was never called and therefore
"tap" interface polling was not enabled ever.
The patch fixes this problem.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Commit 14f9b664 (hw/virtio-net.c: set config size using host features) tries to
calculate config size based on the host features. But it forgets the
VIRTIO_NET_F_MAC were always set for qemu later. This will lead a zero config
len for virtio-net device when both VIRTIO_NET_F_STATUS and VIRTIO_NET_F_MQ were
disabled form command line. Then qemu will crash when user tries to read the
config of virtio-net.
Fix this by counting VIRTIO_NET_F_MAC and make sure the config at least contains
the mac address.
Cc: Jesse Larrew <jlarrew@linux.vnet.ibm.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1366874814-2658-1-git-send-email-jasowang@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Introduce type constant and cast macro to obsolete DO_UPCAST().
Prepares for ISA realizefn.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-10-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Multiqueue patchset conditionally add control vq only when guest negotiate the
feature. Though the spec is not clear on this but it breaks the minix guest
since it will identify the ctrl vq even if it does not support it. Though this
behavior seems a violation on the spec "If the VIRTIO_NET_F_CTRL_VQ feature bit
is negotiated, identify the control virtqueue.", to keep the backward
compatibility, always add the ctrl vq at end of the queues.
Reported-by: Aurelien Jarno <aurelien@aurel32.net>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-id: 1366874663-2566-1-git-send-email-jasowang@redhat.com
Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Curerntly the pseries VIO device code contains quite a few explicit
uses of DO_UPCAST and plain C casts. This is (obviously) type unsafe,
and not the conventional way of doing things in the QOM model. This
patch converts the code to use the QOM convention of per-type macros
to do verified casts with OBJECT_CHECK().
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
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This clean the init and the exit functions and rename virtio_common_cleanup
to virtio_cleanup.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1366791683-5350-7-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This remove virtio-bindings, and use class instead.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1366791683-5350-6-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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