If the ITS modality is not available, let's simply support MSI injection by transforming the MSI.data into an SPI ID. This becomes possible to use KVM_SIGNAL_MSI ioctl for arm too. Signed-off-by: Eric Auger <eric.auger@xxxxxxxxxx> --- arch/arm/kvm/Kconfig | 1 + virt/kvm/arm/vgic.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig index 151e710..0f58baf 100644 --- a/arch/arm/kvm/Kconfig +++ b/arch/arm/kvm/Kconfig @@ -31,6 +31,7 @@ config KVM select KVM_VFIO select HAVE_KVM_EVENTFD select HAVE_KVM_IRQFD + select HAVE_KVM_MSI select HAVE_KVM_IRQCHIP select HAVE_KVM_IRQ_ROUTING depends on ARM_VIRT_EXT && ARM_LPAE && ARM_ARCH_TIMER diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c index 16d232f..40e96f9 100644 --- a/virt/kvm/arm/vgic.c +++ b/virt/kvm/arm/vgic.c @@ -2293,6 +2293,11 @@ int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e, return kvm->arch.vgic.vm_ops.inject_msi(kvm, &msi); else return -ENODEV; + case KVM_IRQ_ROUTING_MSI: + if (kvm->arch.vgic.vm_ops.inject_msi) + return -EINVAL; + else + return kvm_vgic_inject_irq(kvm, 0, e->msi.data, level); default: return -EINVAL; } -- 1.9.1 _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
