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authorAmos Kong <akong@redhat.com>2012-09-28 10:06:01 +0800
committerStefan Hajnoczi <stefanha@redhat.com>2012-10-08 13:59:40 +0200
commite4b823644044de1b8070fde82d0aad8053dc3333 (patch)
tree0549bedc3ed00150f85b9167ec128c0224252945 /hw/e1000.c
parent9e12c5aff2cfdd1574bf732c4bbf579d0c2e85c1 (diff)
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e1000: update nc.link_down in e1000_post_load()
This patch introduced e1000_post_load(), it will be called in the end of migration. nc.link_down could not be migrated, this patch updates link_down in e1000_post_load() to keep it coincident with real link status. Signed-off-by: Amos Kong <akong@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
Diffstat (limited to 'hw/e1000.c')
-rw-r--r--hw/e1000.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/hw/e1000.c b/hw/e1000.c
index ec3a7c4..63fee10 100644
--- a/hw/e1000.c
+++ b/hw/e1000.c
@@ -1079,11 +1079,23 @@ static bool is_version_1(void *opaque, int version_id)
return version_id == 1;
}
+static int e1000_post_load(void *opaque, int version_id)
+{
+ E1000State *s = opaque;
+
+ /* nc.link_down can't be migrated, so infer link_down according
+ * to link status bit in mac_reg[STATUS] */
+ s->nic->nc.link_down = (s->mac_reg[STATUS] & E1000_STATUS_LU) == 0;
+
+ return 0;
+}
+
static const VMStateDescription vmstate_e1000 = {
.name = "e1000",
.version_id = 2,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
+ .post_load = e1000_post_load,
.fields = (VMStateField []) {
VMSTATE_PCI_DEVICE(dev, E1000State),
VMSTATE_UNUSED_TEST(is_version_1, 4), /* was instance id */