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vmxnet3: Introduce 'x-disable-pcie' back-compat property

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Following the previous patch which changed vmxnet3 to be a pci express
device, this patch introduces a boolean property 'x-disable-pcie' whose
default is false.

Setting 'x-disable-pcie' to 'on' preserves the old 'pci device' (non
express) behavior. This allows migration to older versions.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Shmulik Ladkani 2015-12-24 09:17:40 +02:00 • committed by Jason Wang
parent 3509866ab3
commit 7d6d347d06
2 changed files with 6 additions and 0 deletions
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2
hw/net/vmxnet3.c
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@ -2663,6 +2663,8 @@ static Property vmxnet3_properties[] = {
DEFINE_NIC_PROPERTIES(VMXNET3State, conf),
DEFINE_PROP_BIT("x-old-msi-offsets", VMXNET3State, compat_flags,
VMXNET3_COMPAT_FLAG_OLD_MSI_OFFSETS_BIT, false),
DEFINE_PROP_BIT("x-disable-pcie", VMXNET3State, compat_flags,
VMXNET3_COMPAT_FLAG_DISABLE_PCIE_BIT, false),
DEFINE_PROP_END_OF_LIST(),
};