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| author | Amos Kong <akong@redhat.com> | 2012-09-28 10:06:01 +0800 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2012-10-08 13:59:40 +0200 |
| commit | e4b823644044de1b8070fde82d0aad8053dc3333 (patch) | |
| tree | 0549bedc3ed00150f85b9167ec128c0224252945 | |
| parent | 9e12c5aff2cfdd1574bf732c4bbf579d0c2e85c1 (diff) | |
| download | qemu-e4b823644044de1b8070fde82d0aad8053dc3333.tar.gz | |
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>
| -rw-r--r-- | hw/e1000.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/hw/e1000.c b/hw/e1000.c index ec3a7c4ecc..63fee10794 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 */ |