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ahci: Don't allow creating slave drives

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An IDE bus provided by AHCI can only take a single IDE drive. If you add
a drive as slave, qemu used to accept the command line but the device
wouldn't be actually usable. Catch the situation instead and error out.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2013-05-06 15:58:04 +02:00
parent 15d23fb966
commit 0ee20e6658
9 changed files with 18 additions and 9 deletions
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2
hw/ide/cmd646.c
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@ -281,7 +281,7 @@ static int pci_cmd646_ide_initfn(PCIDevice *dev)
irq = qemu_allocate_irqs(cmd646_set_irq, d, 2);
for (i = 0; i < 2; i++) {
ide_bus_new(&d->bus[i], &d->dev.qdev, i);
ide_bus_new(&d->bus[i], &d->dev.qdev, i, 2);
ide_init2(&d->bus[i], irq[i]);
bmdma_init(&d->bus[i], &d->bmdma[i], d);