From 1b94350c49c8f0425b32c2581e29787406e53034 Mon Sep 17 00:00:00 2001 From: mstsirkin Date: Sun, 15 Mar 2015 10:10:50 +0000 Subject: ccw: clarify basic channel commands "Basic channel commands" seems to be not as clear as it could, so let's spell out which channel commands we refer to. VIRTIO-118 Signed-off-by: Cornelia Huck Approved unanimously: https://www.oasis-open.org/apps/org/workgroup/virtio/ballot.php?id=2763 Signed-off-by: Michael S. Tsirkin git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@480 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652 --- content.tex | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'content.tex') diff --git a/content.tex b/content.tex index 1efe93a..ba5c63b 100644 --- a/content.tex +++ b/content.tex @@ -2381,8 +2381,14 @@ model corresponding to the attached virtio device's subsystem device ID, accessed via a virtual I/O subchannel and a virtual channel path of type 0x32. This proxy device is discoverable via normal channel subsystem device discovery (usually a STORE -SUBCHANNEL loop) and answers to the basic channel commands, most -importantly SENSE ID. +SUBCHANNEL loop) and answers to the basic channel commands: + +\begin{itemize} +\item NO-OPERATION (0x03) +\item BASIC SENSE (0x04) +\item TRANSFER IN CHANNEL (0x08) +\item SENSE ID (0xe4) +\end{itemize} For a virtio-ccw proxy device, SENSE ID will return the following information: -- cgit v1.2.3