This patch also sets virtio_dev->modern for vhost-user
devices.
A word of explanation of what's happening now:
For virtio_pci, dev->modern is set when reading config,
as legacy devices have no Virtio PCI Capability in their
capability list. For virtio_user, the dev->modern should
be set if VIRTIO_F_VERSION_1 feature has been negotiated.
Change-Id: I056b1dcf65a5a6a87cda6499771399befdc59cb5
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Reviewed-on: https://review.gerrithub.io/377090
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
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