Commit 70bfdce6 authored by Pranavkumar Sawargaonkar's avatar Pranavkumar Sawargaonkar Committed by Peter Maydell
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hw/pci-host/gpex: Set INTx index/gsi mapping 



To implement INTx to gsi routing we need to pass the gpex host
bridge the gsi associated to each INTx index. Let's introduce
irq_num array and gpex_set_irq_num setter function.

Signed-off-by: default avatarPranavkumar Sawargaonkar <pranavkumar@linaro.org>
Signed-off-by: default avatarTushar Jagad <tushar.jagad@linaro.org>
Signed-off-by: default avatarEric Auger <eric.auger@redhat.com>
Tested-by: default avatarFeng Kan <fkan@apm.com>
Reviewed-by: default avatarAndrew Jones <drjones@redhat.com>
Message-id: 1505296004-6798-2-git-send-email-eric.auger@redhat.com
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent 37e29a64

hw/pci-host/gpex.c

+10 −0
Original line number Diff line number Diff line
@@ -43,6 +43,16 @@ static void gpex_set_irq(void *opaque, int irq_num, int level) 
    qemu_set_irq(s->irq[irq_num], level);

}



int gpex_set_irq_num(GPEXHost *s, int index, int gsi)

{

    if (index >= GPEX_NUM_IRQS) {

        return -EINVAL;

    }



    s->irq_num[index] = gsi;

    return 0;

}



static void gpex_host_realize(DeviceState *dev, Error **errp)

{

    PCIHostState *pci = PCI_HOST_BRIDGE(dev);

include/hw/pci-host/gpex.h

+3 −0
Original line number Diff line number Diff line
@@ -51,6 +51,9 @@ typedef struct GPEXHost { 
    MemoryRegion io_ioport;

    MemoryRegion io_mmio;

    qemu_irq irq[GPEX_NUM_IRQS];

    int irq_num[GPEX_NUM_IRQS];

} GPEXHost;



int gpex_set_irq_num(GPEXHost *s, int index, int gsi);



#endif /* HW_GPEX_H */