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authorrusty <rusty@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652>2013-10-04 04:41:45 +0000
committerrusty <rusty@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652>2013-10-04 04:41:45 +0000
commit305bbaed001e6fd99d3de1dbe26a230a435abb7d (patch)
treec0293fc7b045e1eac6fd24f730454e721a3508ff /virtio-v1.0-wd01-part1-specification.txt
parent6df98f70033813e7fbedf08b572869e9e0e6c9c2 (diff)
2.3.1.2.5: emphasize that PCI device-specific config byte-accessible legacy only
This clarification taken from a larger patch by MST: http://markmail.org/search/?q=subject%3A%22[PATCH]%20configuration%20space%20endian-ness%22+list%3A%22org.oasis-open.lists.virtio%22#query:subject%3A%22[PATCH]%20configuration%20space%20endian-ness%22%20list%3A%22org.oasis-open.lists.virtio%22+page:1+mid:6k3im4t3csdukbzm+state:results Signed-off-by: Rusty Russell <rusty@au1.ibm.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@53 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
Diffstat (limited to 'virtio-v1.0-wd01-part1-specification.txt')
-rw-r--r--virtio-v1.0-wd01-part1-specification.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/virtio-v1.0-wd01-part1-specification.txt b/virtio-v1.0-wd01-part1-specification.txt
index b5a5835..75557aa 100644
--- a/virtio-v1.0-wd01-part1-specification.txt
+++ b/virtio-v1.0-wd01-part1-specification.txt
@@ -882,7 +882,8 @@ region of the PCI device, as documented below.
There may be different widths of accesses to the I/O region; the
“natural” access method for each field in the virtio header must be
-used (i.e. 32-bit accesses for 32-bit fields, etc), but the
+used (i.e. 32-bit accesses for 32-bit fields, etc), but
+when accessed through the legacy interface the
device-specific region can be accessed using any width accesses, and
should obtain the same results.