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object_initialize() leaves the object with a refcount of 1.
object_property_add_child() adds its own reference which is
dropped again when the property is deleted.
The upshot of this is that we always have a refcount >= 1. Upon
unplug the virtio-9p child is not finalized!
Drop our reference after the child property has been added to the
parent.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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virtio-9p-pci all duplicate the qdev properties of their
V9fsState child. This approach does not work well with
string or pointer properties since we must be careful
about leaking or double-freeing them.
Use the QOM alias property to forward property accesses to the
V9fsState child. This way no duplication is necessary.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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object_initialize() leaves the object with a refcount of 1.
object_property_add_child() adds its own reference which is dropped
again when the property is deleted.
The upshot of this is that we always have a refcount >= 1. Upon hot
unplug the virtio-balloon child is not finalized!
Drop our reference after the child property has been added to the
parent.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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object_initialize() leaves the object with a refcount of 1.
object_property_add_child() adds its own reference which is dropped
again when the property is deleted.
The upshot of this is that we always have a refcount >= 1. Upon hot
unplug the virtio-rng child is not finalized!
Drop our reference after the child property has been added to the
parent.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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virtio-rng-{pci, s390, ccw} all duplicate the
qdev properties of their VirtIORNG child.
This approach does not work well with string or pointer
properties since we must be careful about leaking or
double-freeing them.
Use the QOM alias property to forward property accesses to the
VirtIORNG child. This way no duplication is necessary.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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object_initialize() leaves the object with a refcount of 1.
object_property_add_child() adds its own reference which is dropped
again when the property is deleted.
The upshot of this is that we always have a refcount >= 1. Upon hot
unplug the virtio-serial child is not finalized!
Drop our reference after the child property has been added to the
parent.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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virtio-serial-{pci, s390, ccw} all duplicate the
qdev properties of their VirtIOSerial child.
This approach does not work well with string or pointer
properties since we must be careful about leaking or
double-freeing them.
Use the QOM alias property to forward property accesses to the
VirtIOSerial child. This way no duplication is necessary.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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object_initialize() leaves the object with a refcount of 1.
object_property_add_child() adds its own reference which is dropped
again when the property is deleted.
The upshot of this is that we always have a refcount >= 1. Upon hot
unplug the virtio-scsi/vhost-scsi child is not finalized!
Drop our reference after the child property has been added to the
parent.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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{virtio, vhost}-scsi-{pci, s390, ccw} all duplicate the
qdev properties of their VirtIOSCSI/VHostSCSI child.
This approach does not work well with string or pointer
properties since we must be careful about leaking or
double-freeing them.
Use the QOM alias property to forward property accesses to the
VirtIOSCSI/VHostSCSI child. This way no duplication is necessary.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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object_initialize() leaves the object with a refcount of 1.
object_property_add_child() adds its own reference which is dropped
again when the property is deleted.
The upshot of this is that we always have a refcount >= 1. Upon hot
unplug the virtio-net child is not finalized!
Drop our reference after the child property has been added to the
parent.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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virtio-net-pci, virtio-net-s390, and virtio-net-ccw all duplicate the
qdev properties of their VirtIONet child. This approach does not work
well with string or pointer properties since we must be careful about
leaking or double-freeing them.
Use the QOM alias property to forward property accesses to the
VirtIONet child. This way no duplication is necessary.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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staging
add and use graphic_console_set_hwops
# gpg: Signature made Mon 29 Sep 2014 11:18:37 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/spice/tags/pull-spice-20140929-1:
qxl: use graphic_console_set_hwops
console: add graphic_console_set_hwops
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The array tsc2101_rates[] is unused (and we don't implement
the TSC2101 anyway, only the 2102); delete it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410723223-17711-5-git-send-email-peter.maydell@linaro.org
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The function pxa2xx_dma_rdst_set() is unused; delete it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410723223-17711-4-git-send-email-peter.maydell@linaro.org
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The function imx_avic_set_prio() is unused; delete it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410723223-17711-3-git-send-email-peter.maydell@linaro.org
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The function blizzard_rgb2yuv() is unused; delete it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410723223-17711-2-git-send-email-peter.maydell@linaro.org
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It should not break memory hotplug feature if there is non-NUMA option.
This patch would also allow to use pc-dimm as replacement for initial memory
for non-NUMA configs.
Note: After this patch, the memory hotplug can work normally for Linux guest OS
when there is non-NUMA option and NUMA option. But not support Windows guest OS
to hotplug memory with no-NUMA config, actully, it's Windows limitation.
Reviewed-By: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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When scsi_bus_legacy_add_drive() produces an error,
we will lose the error message. Using error_report
to report it.
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This reverts commit 4d43d3f3c8147ade184df9a1e9e82826edd39e19.
Reported to break PPC guests.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Simply switch function pointers when entering/leaving vga mode.
Allows to remove wrapper functions which do nothing but dispatch
calls depending on the current qxl mode.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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So it gets properly unregistered on hot-unplug.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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When a QMP client changes the polling interval time by setting
the guest-stats-polling-interval property, the interval value
is stored and manipulated as an int64_t variable.
However, the balloon_stats_change_timer() function, which is
used to set the actual timer with the interval value, takes
an int instead, causing an overflow for big interval values.
This commit fix this bug by changing balloon_stats_change_timer()
to take an int64_t and also it limits the polling interval value
to UINT_MAX to avoid other kinds of overflow.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
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Usual mix of patches, the most important being Alex and Marcelo's
kvmclock fix. This was reverted last minute for 2.1, but it is now back
with the problematic case fixed.
Note: I will soon switch to a subkey for signing purposes. To verify
future signed pull requests from me, please update my key with
"gpg --recv-keys 9B4D86F2". You should see 3 new subkeys---the
one for signing will be a 2048-bit RSA key, 4E6B09D7.
# gpg: Signature made Fri 26 Sep 2014 15:34:44 BST using RSA key ID 9B4D86F2
# gpg: Good signature from "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: aka "Paolo Bonzini <bonzini@gnu.org>"
* remotes/bonzini/tags/for-upstream:
kvm/valgrind: don't mark memory as initialized
po: fix conflict with %.mo rule in rules.mak
kvmvapic: fix migration when VM paused and when not running Windows
serial: check if backed by a physical serial port at realize time
serial: reset state at startup
target-i386: update fp status fix
hw/dma/i8257: Silence phony error message
kvmclock: Ensure time in migration never goes backward
kvmclock: Ensure proper env->tsc value for kvmclock_current_nsec calculation
Introduce cpu_clean_all_dirty
pit: fix pit interrupt can't inject into vm after migration
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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This patch fixes migration by extending do_vapic_enable function. This function
called vapic_enable which read cpu number from the guest memory. When cpu
number could not be read, vapic was not enabled while loading the VM state.
This patch adds required code for cpu_number=0 to do_vapic_enable function,
because it is called only when cpu_number=0.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This exceeded the trace argument limit for LTTNG UST and wasn't really
needed as the flags value is stored anyway. Dropping this fixes the
compile failure for UST. It can probably be merged with the previous
trace shortening patch.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Recent traces rework introduced 2 tracepoints with 13 and 20
arguments. When dtrace backend is selected
(--enable-trace-backend=dtrace), compile fails as
sys/sdt.h defines DTRACE_PROBE up to DTRACE_PROBE12 only.
This splits long tracepoints.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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staging
tcx: Implement hardware acceleration
# gpg: Signature made Tue 23 Sep 2014 22:52:34 BST using RSA key ID AE0F321F
# gpg: Can't check signature: public key not found
* remotes/mcayland/tags/qemu-sparc-signed:
tcx: Implement hardware acceleration
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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'remotes/awilliam/tags/vfio-pci-for-qemu-20140923.0' into staging
Endian updates to re-fix cross endian host and guest and
enable the same for ROM loading (Alexey)
# gpg: Signature made Tue 23 Sep 2014 18:03:03 BST using RSA key ID 3BB08B22
# gpg: Can't check signature: public key not found
* remotes/awilliam/tags/vfio-pci-for-qemu-20140923.0:
vfio: make rom read endian sensitive
Revert "vfio: Make BARs native endian"
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The S24/TCX framebuffer is a mildly accelerated video card with
blitter, stippler and hardware cursor.
* Solaris and NetBSD 6.x use all the hardware acceleration features
* The Xorg driver (used by Linux) can use the hardware cursor only
This patch implements hardware acceleration in both 8 bit and 24 bit
modes. It is based on the NetBSD driver sources and from tests with
Solaris.
Signed-off-by: Olivier Danet <odanet@caramail.com>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
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staging
usb: enable hotplug, switch to realize, ohci tracing, misc fixes.
# gpg: Signature made Tue 23 Sep 2014 12:42:29 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/kraxel/tags/pull-usb-20140923-1: (26 commits)
usb: tag standalone ehci as hotpluggable
usb: tag standalone uhci as hotpluggable
usb: tag xhci as hotpluggable
usb-serial: only check speed once at realize time
usb-bus: introduce a wrapper function to check speed
usb-bus: remove "init" from USBDeviceClass struct
usb-mtp: convert init to realize
usb-redir: convert init to realize
usb-audio: convert init to realize
dev-wacom: convert init to realize
dev-hid: convert init to realize
usb-ccid: convert init to realize
dev-serial: convert init to realize
dev-bluetooth: convert init to realize
dev-uas: using error_report instead of fprintf
dev-uas: convert init to realize
dev-storage: usring error_report instead of fprintf/printf
dev-storage: convert init to realize
usb-hub: convert init to realize
libusb: using error_report instead of fprintf
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Later this will be called by dataplane code.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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To share with dataplane code later.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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To share with datplane code later.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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To share with dataplane code.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This is the "common part" to handle one cmd request. Refactor out for
later usage of dataplane iothread code.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The command direction according to the guest-passed buffers
is already stored in the VirtIOSCSIReq. We can use it instead
of computing it again from req->elem.
Cc: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This helps for cross-endian configurations.
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The VirtQueueElement is a very big structure (>48k!), since it will be
initialzed by virtqueue_pop, we can save the expensive zeroing here.
This saves a few microseconds per request in my test:
[fio-test] rw bs iodepth jobs bw iops latency
--------------------------------------------------------------------------------------------
Before read 4k 1 1 110 28269 34
After read 4k 1 1 131 33745 28
Whereas,
virtio-blk read 4k 1 1 217 55673 16
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Zeroing sense buffer for each scsi request is not efficient, we can just
leave it uninitialized because sense_len is set to 0.
Move the implicitly zeroed fields to the end of the structure and use a
partial memset.
The explicitly initialized fields (by scsi_req_alloc or scsi_req_new)
are moved to the beginning of the structure, before sense buffer, to
skip the memset.
Also change g_malloc0 to g_slice_alloc.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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staging
s390x/kvm: some fixes and cleanups
1. sclp: get of of duplicate defines
2. ccw: implement and fix handling of some special cases
# gpg: Signature made Tue 23 Sep 2014 13:10:47 BST using RSA key ID B5A61C7C
# gpg: Can't check signature: public key not found
* remotes/borntraeger/tags/s390x-20140923:
s390x/css: catch ccw sequence errors
s390x/css: support format-0 ccws
s390x: remove duplicate defines in SCLP code
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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We must not allow chains of more than 255 ccws without data transfer.
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Add support for format-0 ccws in channel programs. As a format-1 ccw
contains the same information as format-0 ccws, only supporting larger
addresses, simply convert every ccw to format-1 as we walk the chain.
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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staging
# gpg: Signature made Mon 22 Sep 2014 12:41:59 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
* remotes/stefanha/tags/block-pull-request: (59 commits)
block: Always compile virtio-blk dataplane
vring: Better error handling if num is too large
virtio: Import virtio_vring.h
async: aio_context_new(): Handle event_notifier_init failure
block: vhdx - fix reading beyond pointer during image creation
block: delete cow block driver
block/archipelago: Fix typo in qemu_archipelago_truncate()
ahci: Add test_identify case to ahci-test.
ahci: Add test_hba_enable to ahci-test.
ahci: Add test_hba_spec to ahci-test.
ahci: properly shadow the TFD register
ahci: add test_pci_enable to ahci-test.
ahci: Add test_pci_spec to ahci-test.
ahci: MSI capability should be at 0x80, not 0x50.
ahci: Adding basic functionality qtest.
layout: Add generators for refcount table and blocks
fuzz: Add fuzzing functions for entries of refcount table and blocks
docs: List all image elements currently supported by the fuzzer
qapi/block-core: Add "new" qcow2 options
qcow2: Add overlap-check.template option
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Add a flag to EHCIPCIInfo saying whenever the controller supports
companions or not. Make sure we only allow registering companions for
ehci versions supporting that. Enable pci hotplug for the ehci
variants not supporting companions.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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uhci hostadapters in companion setups can't be hotplugged. So leave
hotplug disabled for all ich9 variants (which are already tagged with
unplug = true in the info struct). For the other variants we'll enable
hotplug and remove the companion setup properties.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Whatever the chardev is open or not, we should assure
the speed is matched each other. So, call usb_check_attach()
check speed. And then pass &error_abort at all calls to
usb_device_attach().
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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In this way, we can check speed directly, don't need
call usb_device_attach(), which has other conditions,
such as checking the chardev is open.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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All usb-bus devices are realized by realize(),
remove init callback function from USBDeviceClass struct.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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