From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Parav Pandit Subject: [PATCH 3/3] transport-mmio: Refer to the vq by its number Date: Thu, 23 Feb 2023 07:46:24 +0200 Message-ID: <20230223054624.168042-4-parav@nvidia.com> In-Reply-To: <20230223054624.168042-1-parav@nvidia.com> References: <20230223054624.168042-1-parav@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain To: mst@redhat.com, virtio-dev@lists.oasis-open.org, cohuck@redhat.com Cc: virtio-comment@lists.oasis-open.org, shahafs@nvidia.com, Parav Pandit List-ID: Currently specification uses virtqueue index and number interchangeably to refer to the virtqueue. Instead refer to it by its number. This patch is on top of [1]. [1] https://lists.oasis-open.org/archives/virtio-dev/202302/msg00527.html Fixes: https://github.com/oasis-tcs/virtio-spec/issues/163 Signed-off-by: Parav Pandit --- transport-mmio.tex | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/transport-mmio.tex b/transport-mmio.tex index c59975e..324cecf 100644 --- a/transport-mmio.tex +++ b/transport-mmio.tex @@ -96,7 +96,7 @@ \subsection{MMIO Device Register Layout}\label{sec:Virtio= Transport Options / Vi bits accessible by writing to \field{DriverFeatures}. } \hline - \mmioreg{QueueSel}{Virtual queue index}{0x030}{W}{% + \mmioreg{QueueSel}{Virtual queue number}{0x030}{W}{% Writing to this register selects the virtual queue that the following operations on \field{QueueNumMax}, \field{QueueNum}, \field{= QueueReady}, \field{QueueDescLow}, \field{QueueDescHigh}, \field{QueueDriverlLow}, = \field{QueueDriverHigh}, @@ -130,7 +130,7 @@ \subsection{MMIO Device Register Layout}\label{sec:Virt= io Transport Options / Vi there are new buffers to process in a queue. =20 When VIRTIO_F_NOTIFICATION_DATA has not been negotiated, - the value written is the queue index. + the value written is the queue number. =20 When VIRTIO_F_NOTIFICATION_DATA has been negotiated, the \field{Notification data} value has the following format: @@ -373,7 +373,7 @@ \subsubsection{Available Buffer Notifications}\label{se= c:Virtio Transport Option =20 When VIRTIO_F_NOTIFICATION_DATA has not been negotiated, the driver sends an available buffer notification to the device by writing -the 16-bit virtqueue index +the 16-bit virtqueue number of the queue to be notified to \field{QueueNotify}. =20 When VIRTIO_F_NOTIFICATION_DATA has been negotiated, @@ -451,7 +451,7 @@ \subsection{Legacy interface}\label{sec:Virtio Transpor= t Options / Virtio Over M (see QueuePFN). } \hline - \mmioreg{QueueSel}{Virtual queue index}{0x030}{W}{% + \mmioreg{QueueSel}{Virtual queue number}{0x030}{W}{% Writing to this register selects the virtual queue that the following operations on the \field{QueueNumMax}, \field{QueueNum}, \fi= eld{QueueAlign} and \field{QueuePFN} registers apply to. The index --=20 2.26.2