virtio — archive

[Paul Mundt]

Add some clarification to the head of the virtqueue section outlining how the vring/virtio_ring terminology is used throughout the specification. Reported-by: Holm Rauchfuss <holm.rauchfuss@huawei.com> Signed-off-by: Paul Mundt <paul.mundt@huawei.com> --- diff --git a/content.tex b/content.tex index c804c53..da30993 100644 --- a/content.tex +++ b/content.tex @@ -195,11 +195,12 @@ result. section{Virtqueues}label{sec:Basic Facilities of a Virtio Device / Virtqueues} The mechanism for bulk data transport on virtio devices is -pretentiously called a virtqueue. Each device can have zero or more -virtqueues: for example, the simplest network device has one for -transmit and one for receive. Each queue has a 16-bit queue size -parameter, which sets the number of entries and implies the total size -of the queue. +pretentiously called a virtqueue; the terms vring and virtio_ring +are also used interchangeably to refer to the in-memory format of the +virtqueue itself. Each device can have zero or more virtqueues: for example, +the simplest network device has one for transmit and one for receive. +Each queue has a 16-bit queue size parameter, which sets the number of +entries and implies the total size of the queue. Each virtqueue consists of three parts: