[PATCH v13 01/11] content: Add vq index text

[Parav Pandit <parav@nvidia.com>]

Introduce vq index and its range so that subsequent patches can refer
to it.

Fixes: https://github.com/oasis-tcs/virtio-spec/issues/163
Signed-off-by: Parav Pandit <parav@nvidia.com>
---
changelog:
v12->v13:
- avoid virtqueue -> vq abbreviation
- removed Cornelia's reviewed-by due to vq abbreviation change
v11->v12:
- renamed 'number' to 'index'
v9->v10:
- added braces around vq number wording
- added vqn as another term for vq number
v8->v9:
- added inclusive when describing the vq number range
- skipped comment to put virtqueue number wording first because we
  prefer to use shorter vq number as much as possible
v5->v6:
- moved description close to introduction, it was in middle of
  queue data transfer description
v2->v3:
- new patch
---
 content.tex | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/content.tex b/content.tex
index cff548a..43be58b 100644
--- a/content.tex
+++ b/content.tex
@@ -298,6 +298,9 @@ \section{Virtqueues}\label{sec:Basic Facilities of a Virtio Device / Virtqueues}
 virtqueues\footnote{For example, the simplest network device has one virtqueue for
 transmit and one for receive.}.
 
+Each virtqueue is identified by a virtqueue index; virtqueue index range is
+from 0 to 65535 inclusive.
+
 Driver makes requests available to device by adding
 an available buffer to the queue, i.e., adding a buffer
 describing the request to a virtqueue, and optionally triggering
-- 
2.26.2