[OASIS Issue Tracker] Created: (VIRTIO-27) Allow chaining of indirects

Allow chaining of indirects
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                 Key: VIRTIO-27
                 URL: http://tools.oasis-open.org/issues/browse/VIRTIO-27
             Project: OASIS Virtual I/O Device (VIRTIO) TC
          Issue Type: Bug
            Reporter: Rusty Russell


Virtio-15 removed the ability to have consecutive indirect descriptors (which no OS implemented, but devices had to support).

If we want really large descriptor chains, we should allow VIRTIO_F_INDIRECT flag to chain inside an indirect table to chain them.  This is simpler than the "return to main chain" to implement.  But we can always add it later, wiht a new feature bit...

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