From: "Michael S. Tsirkin" <mst@redhat.com>
To: virtio@lists.oasis-open.org, virtio-dev@lists.oasis-open.org
Cc: Cornelia Huck <cohuck@redhat.com>,
Halil Pasic <pasic@linux.vnet.ibm.com>,
Tiwei Bie <tiwei.bie@intel.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
"Dhanoa, Kully" <kully.dhanoa@intel.com>
Subject: [virtio] [PATCH v9 07/16] content: generalize rest of text
Date: Thu, 1 Mar 2018 01:31:32 +0200 [thread overview]
Message-ID: <1519860484-7936-8-git-send-email-mst@redhat.com> (raw)
In-Reply-To: <1519860484-7936-1-git-send-email-mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
---
content.tex | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/content.tex b/content.tex
index 9fc9673..5634c7d 100644
--- a/content.tex
+++ b/content.tex
@@ -1467,8 +1467,7 @@ All register values are organized as Little Endian.
}
\hline
\mmioreg{QueueNum}{Virtual queue size}{0x038}{W}{%
- Queue size is the number of elements in the queue, therefore in each
- of the Descriptor Table, the Available Ring and the Used Ring.
+ Queue size is the number of elements in the queue.
Writing to this register notifies the device what size of the
queue the driver will use. This applies to the queue selected by
writing to \field{QueueSel}.
@@ -1491,9 +1490,9 @@ All register values are organized as Little Endian.
caused the device interrupt to be asserted.
The following events are possible:
\begin{description}
- \item[Used Ring Update] - bit 0 - the interrupt was asserted
- because the device has updated the Used
- Ring in at least one of the active virtual queues.
+ \item[Used Buffer Update] - bit 0 - the interrupt was asserted
+ because the device has used a buffer
+ in at least one of the active virtual queues.
\item [Configuration Change] - bit 1 - the interrupt was
asserted because the configuration of the device has changed.
\end{description}
@@ -1642,9 +1641,8 @@ The driver will typically initialize the virtual queue in the following way:
\field{QueueNumMax}. If the returned value is zero (0x0) the
queue is not available.
-\item Allocate and zero the queue pages, making sure the memory
- is physically contiguous. It is recommended to align the
- Used Ring to an optimal boundary (usually the page size).
+\item Allocate and zero the queue memory, making sure the memory
+ is physically contiguous.
\item Notify the device about the queue size by writing the size to
\field{QueueNum}.
--
MST
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next prev parent reply other threads:[~2018-02-28 23:31 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-28 23:31 [virtio] [PATCH v9 00/16] packed ring layout spec Michael S. Tsirkin
2018-02-28 23:31 ` [virtio] [PATCH v9 01/16] introduction: document bitfield notation Michael S. Tsirkin
2018-02-28 23:31 ` [virtio] [PATCH v9 02/16] content: move 1.0 queue format out to a separate section Michael S. Tsirkin
2018-02-28 23:31 ` [virtio] [PATCH v9 03/16] content: move ring text out to a separate file Michael S. Tsirkin
2018-02-28 23:31 ` [virtio] [PATCH v9 04/16] content: move virtqueue operation description Michael S. Tsirkin
2018-02-28 23:31 ` [virtio] [PATCH v9 05/16] content: len -> used length, used ring -> vq Michael S. Tsirkin
2018-02-28 23:31 ` [virtio] [PATCH v9 06/16] content: generalize transport ring part naming Michael S. Tsirkin
2018-02-28 23:31 ` Michael S. Tsirkin [this message]
2018-02-28 23:31 ` [virtio] [PATCH v9 08/16] split-ring: generalize text Michael S. Tsirkin
2018-03-07 11:00 ` [virtio] " Cornelia Huck
2018-03-09 22:56 ` Michael S. Tsirkin
2018-02-28 23:31 ` [virtio] [PATCH v9 09/16] split-ring: typo: aligment Michael S. Tsirkin
2018-03-07 10:56 ` [virtio] " Cornelia Huck
2018-02-28 23:31 ` [virtio] [PATCH v9 10/16] packed virtqueues: more efficient virtqueue layout Michael S. Tsirkin
2018-03-07 13:47 ` [virtio] " Michael S. Tsirkin
2018-02-28 23:31 ` [virtio] [PATCH v9 11/16] content: in-order buffer use Michael S. Tsirkin
2018-02-28 23:31 ` [virtio] [PATCH v9 12/16] packed-ring: add in order support Michael S. Tsirkin
2018-02-28 23:31 ` [virtio] [PATCH v9 13/16] split-ring: in order feature Michael S. Tsirkin
2018-02-28 23:31 ` [virtio] [PATCH v9 14/16] VIRTIO_F_NOTIFICATION_DATA: extra data to devices Michael S. Tsirkin
2018-03-07 11:11 ` [virtio] " Cornelia Huck
2018-03-07 14:09 ` Michael S. Tsirkin
2018-03-07 14:49 ` Cornelia Huck
2018-03-07 15:10 ` Michael S. Tsirkin
2018-03-07 15:13 ` Cornelia Huck
2018-03-07 16:05 ` Halil Pasic
2018-03-07 16:14 ` Cornelia Huck
2018-03-07 19:53 ` Michael S. Tsirkin
2018-03-08 13:03 ` [virtio] Re: [virtio-dev] " Halil Pasic
2018-03-08 16:19 ` Michael S. Tsirkin
2018-03-09 8:16 ` Cornelia Huck
2018-03-09 12:25 ` Halil Pasic
2018-03-09 16:52 ` Michael S. Tsirkin
2018-03-07 19:27 ` Michael S. Tsirkin
2018-02-28 23:31 ` [virtio] [PATCH v9 15/16] makediff: update to show diff from master Michael S. Tsirkin
2018-02-28 23:31 ` [virtio] [PATCH dont commit v9 16/16] REVISION: set to 1.1 packed wd09 Michael S. Tsirkin
2018-03-09 17:06 ` [virtio] Re: [PATCH v9 00/16] packed ring layout spec Michael S. Tsirkin
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