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KVM: PPC: Book3S HV: Native usage of the XIVE interrupt controller

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This patch makes KVM capable of using the XIVE interrupt controller
to provide the standard PAPR "XICS" style hypercalls. It is necessary
for proper operations when the host uses XIVE natively.

This has been lightly tested on an actual system, including PCI
pass-through with a TG3 device.

Signed-off-by: Benjamin Herrenschmidt <[email protected]>
[mpe: Cleanup pr_xxx(), unsplit pr_xxx() strings, etc., fix build
 failures by adding KVM_XIVE which depends on KVM_XICS and XIVE, and
 adding empty stubs for the kvm_xive_xxx() routines, fixup subject,
 integrate fixes from Paul for building PR=y HV=n]
Signed-off-by: Michael Ellerman <[email protected]>
This commit is contained in:
Benjamin Herrenschmidt 2017-04-05 17:54:56 +10:00 • committed by Michael Ellerman
commit 5af5099385
26 changed files with 3358 additions and 89 deletions
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4
virt/kvm/kvm_main.c
View file

@ -2839,10 +2839,6 @@ static struct kvm_device_ops *kvm_device_ops_table[KVM_DEV_TYPE_MAX] = {
[KVM_DEV_TYPE_FSL_MPIC_20] = &kvm_mpic_ops,
[KVM_DEV_TYPE_FSL_MPIC_42] = &kvm_mpic_ops,
#endif
#ifdef CONFIG_KVM_XICS
[KVM_DEV_TYPE_XICS] = &kvm_xics_ops,
#endif
};
int kvm_register_device_ops(struct kvm_device_ops *ops, u32 type)