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virtio dataplane: adapt dataplane for virtio Version 1
Let dataplane allocate different region for the desc/avail/used ring regions. Take VIRTIO_RING_F_EVENT_IDX into account to increase the used/avail rings accordingly. [Fix 32-bit builds by changing 16lx format specifier to HWADDR_PRIx. --Stefan] Signed-off-by: Pierre Morel <pmorel@linux.vnet.ibm.com> Tested-by: Greg Kurz <gkurz@linux.vnet.ibm.com> Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com> Message-id: 1441625636-23773-1-git-send-email-pmorel@linux.vnet.ibm.com (changed __virtio16 into uint16_t, map descriptor table and available ring read-only) Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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