From 1850b6b7d027bb4b45010a7d1da919267fff2cd4 Mon Sep 17 00:00:00 2001
From: Eric Auger <eric.auger@linaro.org>
Date: Tue, 2 Jun 2015 14:56:23 +0100
Subject: 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>
---
 target-ppc/kvm.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'target-ppc')

diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 1da9ea81e5..8f7cee5ec1 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -2410,3 +2410,8 @@ int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,
 {
     return 0;
 }
+
+int kvm_arch_msi_data_to_gsi(uint32_t data)
+{
+    return data & 0xffff;
+}
-- 
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