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kvm: introduce kvm_arch_msi_data_to_gsi

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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>
This commit is contained in:
Eric Auger 2015-06-02 14:56:23 +01:00 • committed by Peter Maydell
parent 0b2ff2ceb8
commit 1850b6b7d0
7 changed files with 28 additions and 1 deletions
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2
kvm-all.c
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@ -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()) {