[PATCH v2 2/4] vfio/pci: Add an architecture specific error handler

[Farhan Ali <alifm@linux.ibm.com>]

Provide a architecture specific error handling callback, that can be used
by platforms to handle PCI errors for passthrough devices.

Signed-off-by: Farhan Ali <alifm@linux.ibm.com>
---
 hw/vfio/pci.c | 5 +++++
 hw/vfio/pci.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 07257d0fa0..3c71d19306 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -3026,6 +3026,11 @@ static void vfio_err_notifier_handler(void *opaque)
         return;
     }
 
+    if (vdev->arch_err_handler) {
+        vdev->arch_err_handler(vdev);
+        return;
+    }
+
     /*
      * TBD. Retrieve the error details and decide what action
      * needs to be taken. One of the actions could be to pass
diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h
index 810a842f4a..45d4405e47 100644
--- a/hw/vfio/pci.h
+++ b/hw/vfio/pci.h
@@ -145,6 +145,7 @@ struct VFIOPCIDevice {
     EventNotifier err_notifier;
     EventNotifier req_notifier;
     int (*resetfn)(struct VFIOPCIDevice *);
+    void (*arch_err_handler)(struct VFIOPCIDevice *);
     uint32_t vendor_id;
     uint32_t device_id;
     uint32_t sub_vendor_id;
-- 
2.43.0