on ARM, a devid field is populated in kvm_msi struct in case the
flag is set to KVM_MSI_VALID_DEVID. Let's populate the corresponding
kvm_kernel_irq_routing_entry devid field and set the msi type to
KVM_IRQ_ROUTING_EXTENDED_MSI.
Signed-off-by: Eric Auger <eric.auger@xxxxxxxxxx>
---
virt/kvm/irqchip.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/virt/kvm/irqchip.c b/virt/kvm/irqchip.c
index 21c1424..e678f8a 100644
--- a/virt/kvm/irqchip.c
+++ b/virt/kvm/irqchip.c
@@ -72,9 +72,17 @@ int kvm_send_userspace_msi(struct kvm *kvm, struct kvm_msi *msi)
{
struct kvm_kernel_irq_routing_entry route;
- if (!irqchip_in_kernel(kvm) || msi->flags != 0)
+ if (!irqchip_in_kernel(kvm))
return -EINVAL;
+ if (msi->flags & KVM_MSI_VALID_DEVID) {
+ route.devid = msi->devid;
+ route.type = KVM_IRQ_ROUTING_EXTENDED_MSI;
+ } else if (!msi->flags)
+ return -EINVAL;
+
+ /* historically the route.type was not set */
+
route.msi.address_lo = msi->address_lo;
route.msi.address_hi = msi->address_hi;
route.msi.data = msi->data;
--
1.9.1
--
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