kvm: introduce kvm_arch_msi_data_to_gsi

On ARM the MSI data corresponds to the shared peripheral interrupt (SPI)
ID. This latter equals to the SPI index + 32. to retrieve the SPI index,
matching the gsi, an architecture specific function is introduced.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/kvm-all.c b/kvm-all.c
index 17a3771..b2b1bc3 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1228,7 +1228,7 @@ int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg)
     int virq;
 
     if (kvm_gsi_direct_mapping()) {
-        return msg.data & 0xffff;
+        return kvm_arch_msi_data_to_gsi(msg.data);
     }
 
     if (!kvm_gsi_routing_enabled()) {