Commit 1850b6b7 authored by Eric Auger's avatar Eric Auger Committed by Peter Maydell
Browse files

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: default avatarEric Auger <eric.auger@linaro.org>
Acked-by: default avatarChristoffer Dall <christoffer.dall@linaro.org>
Acked-by: default avatarCornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 0b2ff2ce

include/sysemu/kvm.h

+2 −0
Original line number Diff line number Diff line
@@ -287,6 +287,8 @@ void kvm_arch_init_irq_routing(KVMState *s); 
int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route,

                             uint64_t address, uint32_t data);



int kvm_arch_msi_data_to_gsi(uint32_t data);



int kvm_set_irq(KVMState *s, int irq, int level);

int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg);

kvm-all.c

+1 −1
Original line number Diff line number Diff line
@@ -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()) {

target-arm/kvm.c

+5 −0
Original line number Diff line number Diff line
@@ -600,3 +600,8 @@ 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 - 32) & 0xffff;

}

target-i386/kvm.c

+5 −0
Original line number Diff line number Diff line
@@ -2766,3 +2766,8 @@ int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, 
{

    return 0;

}



int kvm_arch_msi_data_to_gsi(uint32_t data)

{

    abort();

}

target-mips/kvm.c

+5 −0
Original line number Diff line number Diff line
@@ -696,3 +696,8 @@ int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, 
{

    return 0;

}



int kvm_arch_msi_data_to_gsi(uint32_t data)

{

    abort();

}