From 3e6f11baefbf36cbe10c5ae0a2b47c2794238406 Mon Sep 17 00:00:00 2001 From: rusty Date: Wed, 25 Sep 2013 04:43:39 +0000 Subject: 2.3.3.2 virtio-ccw clarifications. Ported from draft commit 67843fe9745e96c10e148f00ba0aa64397c64f06. Issue VIRTIO-29, approved OASIS meeting 2013-09-24. Signed-off-by: Cornelia Huck git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@43 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652 --- virtio-v1.0-wd01-part1-specification.txt | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/virtio-v1.0-wd01-part1-specification.txt b/virtio-v1.0-wd01-part1-specification.txt index 73bef98..a4e4223 100644 --- a/virtio-v1.0-wd01-part1-specification.txt +++ b/virtio-v1.0-wd01-part1-specification.txt @@ -1218,7 +1218,8 @@ value. ----------------------------------- Feature bits are arranged in an array of 32 bit values, making -for a total of 8192 feature bits. +for a total of 8192 feature bits. Feature bits are in +little-endian byte order. The CCW commands dealing with features use the following communication block: @@ -1260,8 +1261,9 @@ In both cases, the complete configuration space is transmitted. -------------------------------- To communicate the location of the indicator bits for host->guest -notification, the guest uses the CCW_CMD_SET_IND command which -sends the guest address of the indicators in a 64 bit value. +notification, the guest uses the CCW_CMD_SET_IND command, +pointing to a location containing the guest address of the +indicators in a 64 bit value. For the indicator bits used in the configuration change host->guest notification, the CCW_CMD_SET_CONF_IND command is -- cgit v1.2.3