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\chapter{Introduction}
-This document describes the specifications of the “virtio” family of
-devices. These are devices are found in virtual environments, yet by
-design they are not all that different from physical devices, and this
-document treats them as such. This allows the guest to use standard
-drivers and discovery mechanisms.
-
-The purpose of virtio and this specification is that virtual
-environments and guests should have a straightforward, efficient,
-standard and extensible mechanism for virtual devices, rather
-than boutique per-environment or per-OS mechanisms.
+\input{abstract.tex}
Straightforward: Virtio devices use normal bus mechanisms of
interrupts and DMA which should be familiar to any device driver