diff mbox

[v3,1/3] hw/pci-host/gpex: Set INTx index/gsi mapping

Message ID 1497360677-4780-2-git-send-email-eric.auger@redhat.com
State New
Headers show

Commit Message

Eric Auger June 13, 2017, 1:31 p.m. UTC 
From: Pranavkumar Sawargaonkar <pranavkumar@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 <pranavkumar@linaro.org>
Signed-off-by: Tushar Jagad <tushar.jagad@linaro.org>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
---
 hw/pci-host/gpex.c         | 10 ++++++++++
 include/hw/pci-host/gpex.h |  3 +++
 2 files changed, 13 insertions(+)
diff mbox

Patch

diff --git a/hw/pci-host/gpex.c b/hw/pci-host/gpex.c
index e2629ce..22367aa4 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, uint32_t 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);
diff --git a/include/hw/pci-host/gpex.h b/include/hw/pci-host/gpex.h
index 68c9348..db26b3e 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];
+    uint32_t irq_num[GPEX_NUM_IRQS];
 } GPEXHost;
 
+int gpex_set_irq_num(GPEXHost *s, int index, uint32_t gsi);
+
 #endif /* HW_GPEX_H */