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: Pranavkumar Sawargaonkar <pranavkumar@linaro.org> Signed-off-by: Tushar Jagad <tushar.jagad@linaro.org> Signed-off-by: Eric Auger <eric.auger@redhat.com> Tested-by: Feng Kan <fkan@apm.com> Reviewed-by: Andrew Jones <drjones@redhat.com> Message-id: 1505296004-6798-2-git-send-email-eric.auger@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -43,6 +43,16 @@ static void gpex_set_irq(void *opaque, int irq_num, int level)
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qemu_set_irq(s->irq[irq_num], level);
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}
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int gpex_set_irq_num(GPEXHost *s, int index, int gsi)
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{
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if (index >= GPEX_NUM_IRQS) {
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return -EINVAL;
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}
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s->irq_num[index] = gsi;
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return 0;
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}
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static void gpex_host_realize(DeviceState *dev, Error **errp)
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{
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PCIHostState *pci = PCI_HOST_BRIDGE(dev);
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@ -51,6 +51,9 @@ typedef struct GPEXHost {
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MemoryRegion io_ioport;
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MemoryRegion io_mmio;
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qemu_irq irq[GPEX_NUM_IRQS];
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int irq_num[GPEX_NUM_IRQS];
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} GPEXHost;
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int gpex_set_irq_num(GPEXHost *s, int index, int gsi);
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#endif /* HW_GPEX_H */
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