From e1c5f1f04a0857bd030a8917050ac5a61f42e5ab Mon Sep 17 00:00:00 2001
From: Marcel Apfelbaum <marcel@redhat.com>
Date: Wed, 14 Feb 2018 19:35:27 +0200
Subject: scripts/update-linux-headers: import pvrdma headers

Modify the script to import the headers used by the pvrdma device.
Part of them are interfaces between the guest driver and the device,
import them under include/standart-headers/drivers/infiniband/... .

Remove the unused functions from pvrdma_verbs.h avoiding the
unnecessary import of several infiniband/networking/other headers.

Reviewed-by: Gal Hammer <ghammer@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
---
 scripts/update-linux-headers.sh | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/scripts/update-linux-headers.sh b/scripts/update-linux-headers.sh
index 135a10d96a..be065704df 100755
--- a/scripts/update-linux-headers.sh
+++ b/scripts/update-linux-headers.sh
@@ -38,6 +38,7 @@ cp_portable() {
                                      -e 'linux/if_ether' \
                                      -e 'input-event-codes' \
                                      -e 'sys/' \
+                                     -e 'pvrdma_verbs' \
                                      > /dev/null
     then
         echo "Unexpected #include in input file $f".
@@ -46,6 +47,7 @@ cp_portable() {
 
     header=$(basename "$f");
     sed -e 's/__u\([0-9][0-9]*\)/uint\1_t/g' \
+        -e 's/u\([0-9][0-9]*\)/uint\1_t/g' \
         -e 's/__s\([0-9][0-9]*\)/int\1_t/g' \
         -e 's/__le\([0-9][0-9]*\)/uint\1_t/g' \
         -e 's/__be\([0-9][0-9]*\)/uint\1_t/g' \
@@ -56,6 +58,7 @@ cp_portable() {
         -e 's/__inline__/inline/' \
         -e '/sys\/ioctl.h/d' \
         -e 's/SW_MAX/SW_MAX_/' \
+        -e 's/atomic_t/int/' \
         "$f" > "$to/$header";
 }
 
@@ -147,6 +150,33 @@ for i in "$tmpdir"/include/linux/*virtio*.h "$tmpdir/include/linux/input.h" \
     cp_portable "$i" "$output/include/standard-headers/linux"
 done
 
+rm -rf "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma"
+mkdir -p "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma"
+
+# Remove the unused functions from pvrdma_verbs.h avoiding the unnecessary
+# import of several infiniband/networking/other headers
+tmp_pvrdma_verbs="$tmpdir/pvrdma_verbs.h"
+# Parse the entire file instead of single lines to match
+# function declarations expanding over multiple lines
+# and strip the declarations starting with pvrdma prefix.
+sed  -e '1h;2,$H;$!d;g'  -e 's/[^};]*pvrdma[^(| ]*([^)]*);//g' \
+    "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h" > \
+    "$tmp_pvrdma_verbs";
+
+for i in "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_ring.h" \
+         "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h" \
+         "$tmp_pvrdma_verbs"; do \
+    cp_portable "$i" \
+         "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma/"
+done
+
+rm -rf "$output/include/standard-headers/rdma/"
+mkdir -p "$output/include/standard-headers/rdma/"
+for i in "$tmpdir/include/rdma/vmw_pvrdma-abi.h"; do
+    cp_portable "$i" \
+         "$output/include/standard-headers/rdma/"
+done
+
 cat <<EOF >$output/include/standard-headers/linux/types.h
 /* For QEMU all types are already defined via osdep.h, so this
  * header does not need to do anything.
-- 
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