From: Liu Ping Fan <pingf...@linux.vnet.ibm.com>
With this, e1000 show to memory core that it can be protected by
refcnt.
Signed-off-by: Liu Ping Fan <pingf...@linux.vnet.ibm.com>
---
hw/e1000.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/hw/e1000.c b/hw/e1000.c
index ae8a6c5..df3a349 100644
--- a/hw/e1000.c
+++ b/hw/e1000.c
@@ -1037,9 +1037,26 @@ e1000_mmio_read(void *opaque, target_phys_addr_t addr,
unsigned size)
return 0;
}
+static int e1000_mmio_ref(MemoryRegion *mr)
+{
+ E1000State *e1000 = container_of(mr, E1000State, mmio);
+
+ object_ref(OBJECT(e1000));
+ return 1;
+}
+
+static void e1000_mmio_unref(MemoryRegion *mr)
+{
+ E1000State *e1000 = container_of(mr, E1000State, mmio);
+
+ object_unref(OBJECT(e1000));
+}
+
static const MemoryRegionOps e1000_mmio_ops = {
.read = e1000_mmio_read,
.write = e1000_mmio_write,
+ .ref = e1000_mmio_ref,
+ .unref = e1000_mmio_unref,
.endianness = DEVICE_LITTLE_ENDIAN,
.impl = {
.min_access_size = 4,
--
1.7.4.4
