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Sorry folks, but it has to be. One more of these invasive qdev patches.
We have a serious design bug in the qdev interface: device init
callbacks can't signal failure because the init() callback has no
return value. This patch fixes it.
We have already one case in-tree where this is needed:
Try -device virtio-blk-pci (without drive= specified) and watch qemu
segfault. This patch fixes it.
With usb+scsi being converted to qdev we'll get more devices where the
init callback can fail for various reasons.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Also increase QDEV_MAX_IRQ.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Also increase QDEV_MAX_MMIO.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Rationale: move device information from code to data structures.
v2: Adapt the drivers missed in the first version.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Record device property types, and provide a list of properties at device
registration time.
Add a "device" property type that holds a reference to annother device.
Signed-off-by: Paul Brook <paul@codesourcery.com>
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Signed-off-by: Paul Brook <paul@codesourcery.com>
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