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Re: [Qemu-devel] [PATCH RFC] scripts/update-linux-headers.sh: pull virti

From: Chen, Tiejun
Subject: Re: [Qemu-devel] [PATCH RFC] scripts/update-linux-headers.sh: pull virtio hdrs
Date: Wed, 11 Feb 2015 09:36:15 +0800
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0

On 2015/2/10 3:56, Michael S. Tsirkin wrote:
It doesn't make sense to copy values manually:
the only issue with getting headers from linux
seems to be dealing with linux/types, we
can easily fix that automatically while importing.

Signed-off-by: Michael S. Tsirkin <address@hidden>

FYI this is what I propose instead of the recently
     virtio: uniform virtio device IDs
we can then rework existing code to include these headers.

Will automatically bring in goodies as they arrive in linux.

This doesn't yet import virtio ccw header,
that won't be hard to add later.

  scripts/update-linux-headers.sh | 10 ++++++++++
  1 file changed, 10 insertions(+)

diff --git a/scripts/update-linux-headers.sh b/scripts/update-linux-headers.sh
index c8e026d..0bd8437 100755
--- a/scripts/update-linux-headers.sh
+++ b/scripts/update-linux-headers.sh
@@ -76,4 +76,14 @@ else
      cp "$linux/COPYING" "$output/linux-headers"

+rm -rf "$output/standard-headers/linux"
+mkdir -p "$output/standard-headers/linux"

Shouldn't we add something in configure file to execute this automatically?

Or instead of creating 'standard-headers/, why can't we go that existing linux-headers/?


+for f in $tmpdir/include/linux/virtio*h; do
+    header=$(expr "$f" : '.*/\(.*\)');
+    sed -e 's/__u\([0-9][0-9]*\)/uint\1_t/g' \
+        -e 's/linux\/types/inttypes/' \
+        -e 's/__bitwise__//' \
+        "$tmpdir/include/linux/$header" > \
+        "$output/standard-headers/linux/$header";
  rm -rf "$tmpdir"

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