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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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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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Now with isa-bus maintaining the isa irqs we can move the
isa_connect_irq() calls into isa_create_simple().
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Introduce isa_reserve_irq() which marks an irq reserved and returns
the appropriate qemu_irq entry from the i8259 table.
isa_reserve_irq() is a temporary interface to be used to allocate ISA
IRQs for devices which have not yet been converted to qdev, and for
special cases which are not suited for qdev conversions, such as the
'ferr'.
This patch goes on top of Gerd Hoffmann's which makes isa-bus.c own
the ISA irq table.
[ added isa-bus.o to some targets to fix build failures -- kraxel ]
Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Changes:
(1) make isa-bus maintain isa irqs, complain when allocating
already taken irqs.
(2) note that (1) works only for isa devices converted to qdev
already (floppy and ps2/kbd/mouse right now), so more work
is needed to make this really useful.
(3) split floppy init into isa and sysbus versions.
(4) add sysbus->isa bridge & fix -M isapc breakage.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Pretty simple and straigt forward.
IRQs modeled simliar to sysbus.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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