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>
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hw/e1000.c
12
hw/e1000.c
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@ -1079,11 +1079,23 @@ static bool is_version_1(void *opaque, int version_id)
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return version_id == 1;
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}
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static int e1000_post_load(void *opaque, int version_id)
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{
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E1000State *s = opaque;
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/* nc.link_down can't be migrated, so infer link_down according
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* to link status bit in mac_reg[STATUS] */
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s->nic->nc.link_down = (s->mac_reg[STATUS] & E1000_STATUS_LU) == 0;
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return 0;
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}
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static const VMStateDescription vmstate_e1000 = {
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.name = "e1000",
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.version_id = 2,
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.minimum_version_id = 1,
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.minimum_version_id_old = 1,
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.post_load = e1000_post_load,
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.fields = (VMStateField []) {
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VMSTATE_PCI_DEVICE(dev, E1000State),
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VMSTATE_UNUSED_TEST(is_version_1, 4), /* was instance id */
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