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Subject: [PATCH 3/3] 2.3.3.2 virtio-ccw clarifications.
Ported from draft commit 67843fe9745e96c10e148f00ba0aa64397c64f06. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> --- 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 108509c..0ad5d27 100644 --- a/virtio-v1.0-wd01-part1-specification.txt +++ b/virtio-v1.0-wd01-part1-specification.txt @@ -1158,7 +1158,8 @@ 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: @@ -1200,8 +1201,9 @@ 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 -- 1.7.9.5
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