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(parent: cc827f8) | patch
net/virtio: support platform memory ordering
authorIlya Maximets <i.maximets@samsung.com>
Wed, 9 Jan 2019 14:50:15 +0000 (17:50 +0300)
committerFerruh Yigit <ferruh.yigit@intel.com>
Mon, 14 Jan 2019 16:44:29 +0000 (17:44 +0100)
commit9230ab8d791399179498d42dfd84981c5bba412a
tree952679c938a483c63641f4ca125e7ff1e8a5556dtree | snapshot
parentcc827f83595643da3b716712c2117d63752276f3commit | diff
net/virtio: support platform memory ordering

VIRTIO_F_ORDER_PLATFORM is required to use proper memory barriers
in case of HW vhost implementations like vDPA.

DMA barriers (rte_cio_*) are sufficent for that purpose.

Previously known as VIRTIO_F_IO_BARRIER.

Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
drivers/net/virtio/virtio_ethdev.c diff | blob | history
drivers/net/virtio/virtio_ethdev.h diff | blob | history
drivers/net/virtio/virtio_pci.h diff | blob | history
drivers/net/virtio/virtio_rxtx.c diff | blob | history
drivers/net/virtio/virtqueue.h diff | blob | history
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