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kvm: Introduce kvm_arch_irqchip_create

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Introduce kvm_arch_irqchip_create an arch-specific hook in preparation
for architecture-specific use of the device control API to create IRQ
chips.

Following patches will implement the ARM irqchip create method to prefer
the device control API over the older KVM_CREATE_IRQCHIP API.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Message-id: 1392687720-26806-3-git-send-email-christoffer.dall@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Christoffer Dall 2014-02-26 17:20:00 +00:00 • committed by Peter Maydell
parent 876074c228
commit d6032e06d1
4 changed files with 29 additions and 2 deletions
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11
kvm-all.c
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@ -1298,10 +1298,17 @@ static int kvm_irqchip_create(KVMState *s)
return 0;
}
ret = kvm_vm_ioctl(s, KVM_CREATE_IRQCHIP);
/* First probe and see if there's a arch-specific hook to create the
* in-kernel irqchip for us */
ret = kvm_arch_irqchip_create(s);
if (ret < 0) {
fprintf(stderr, "Create kernel irqchip failed\n");
return ret;
} else if (ret == 0) {
ret = kvm_vm_ioctl(s, KVM_CREATE_IRQCHIP);
if (ret < 0) {
fprintf(stderr, "Create kernel irqchip failed\n");
return ret;
}
}
kvm_kernel_irqchip = true;