From: Pranavkumar Sawargaonkar <pranavku...@linaro.org>
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 <pranavku...@linaro.org>
Signed-off-by: Tushar Jagad <tushar.ja...@linaro.org>
Signed-off-by: Eric Auger <eric.au...@redhat.com>
Tested-by: Feng Kan <f...@apm.com>
Reviewed-by: Andrew Jones <drjo...@redhat.com>
Message-id: 1505296004-6798-2-git-send-email-eric.au...@redhat.com
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
include/hw/pci-host/gpex.h | 3 +++
hw/pci-host/gpex.c | 10 ++++++++++
2 files changed, 13 insertions(+)
diff --git a/include/hw/pci-host/gpex.h b/include/hw/pci-host/gpex.h
index 68c9348..aef38b8 100644
--- a/include/hw/pci-host/gpex.h
+++ b/include/hw/pci-host/gpex.h
@@ -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 */
diff --git a/hw/pci-host/gpex.c b/hw/pci-host/gpex.c
index 83084b9..41a884d 100644
--- a/hw/pci-host/gpex.c
+++ b/hw/pci-host/gpex.c
@@ -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);
--
2.7.4
