mirror of
https://github.com/SCST-project/scst.git
synced 2026-05-14 09:11:27 +00:00
4c2d1b2a1d
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1954 d57e44dd-8a1f-0410-8b47-8ef2f437770f
544 lines
15 KiB
Bash
Executable File
544 lines
15 KiB
Bash
Executable File
#!/bin/bash
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############################################################################
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#
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# Script for converting the SCST source tree as it exists in the Subversion
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# repository to a Linux kernel patch.
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#
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# Copyright (C) 2008-2009 Bart Van Assche <bart.vanassche@gmail.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation, version 2
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# of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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############################################################################
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########################
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# Function definitions #
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########################
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function usage {
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echo "Usage: $0 [-h] [-m] [-n] [-p <dir>] [-u] <kernel version>, where: "
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echo " -h - show this text"
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echo " -m - add mpt target driver"
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echo " -n - do not delete code disabled via preprocessor statements"
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echo " -p - generate multiple patches instead of one big patch into"\
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"the specified directory."
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echo " -u - enables #define GENERATING_UPSTREAM_PATCH."
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}
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# Convert an existing patch.
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# $1: path of patch to be added.
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# $2: path in kernel tree of file to be patched.
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function add_patch {
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if [ ! -e "$1" ]; then
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echo "Error: could not find $1." >&2
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exit 1
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fi
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sed -e "s:^--- [^ ]*:--- orig/linux-${kernel_version}/$2:" \
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-e "s:^+++ [^ ]*:+++ linux-${kernel_version}/$2:" \
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< "$1"
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}
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# Generate a patch for a file to be added to the kernel source tree, and strip
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# trailing whitespace from C source files while converting the file to patch
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# format.
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# $1: path of file to be added.
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# $2: path in kernel tree where file should be added.
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function add_file {
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local a b
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if [ ! -e "$1" ]; then
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echo "Error: could not find $1." >&2
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exit 1
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fi
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# Only include files that were not generated by the build process
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# -- skip *.mod.c.
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if [ "$1" = "${1%.mod.c}" -a "$1" ]; then
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cat <<EOF
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diff -uprN orig/linux-${kernel_version}/$2 linux-${kernel_version}/$2
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--- orig/linux-${kernel_version}/$2
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+++ linux-${kernel_version}/$2
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@@ -0,0 +1,$(wc -l "$1" | { read a b; echo $a; }) @@
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EOF
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# Insert a '+'-sign at the start of each line.
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sed -e 's/^/+/' < "$1" | \
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if [ "${replace_sbug_by_bug}" = "true" ]; then
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sed -e 's/sBUG(\([^)]*\)/BUG(\1/g' -e 's/sBUG_ON(\([^)]*\)/BUG_ON(\1/g'
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else
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cat
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fi \
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| \
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if [ "${2%.[ch]}" != "$2" ]; then
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# Make sure that labels (goto-targets) are left-aligned.
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sed -e 's/^ \([^ ]*:\)$/\1/'
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else
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cat
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fi
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fi
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}
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function add_empty_file {
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local a b
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cat <<EOF
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diff -uprN orig/linux-${kernel_version}/$1 linux-${kernel_version}/$1
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--- orig/linux-${kernel_version}/$1
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+++ linux-${kernel_version}/$1
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@@ -0,0 +1,1 @@
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+
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EOF
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}
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# Run the script specialize_patch with appropriate options on the patch
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# passed via stdin and send the specialized patch to stdout.
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function specialize_patch {
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"$(dirname $0)/specialize-patch" \
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${specialize_patch_options} \
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-v kernel_version="${kernel_version}" \
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-v SCSI_EXEC_REQ_FIFO_DEFINED="${scsi_exec_req_fifo_defined}" \
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-v SCST_IO_CONTEXT="${scst_io_context}" \
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| if [ "${generating_upstream_patch}" = "true" ]; then
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scripts/filter-trace-entry-exit
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else
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cat
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fi
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}
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# Read a patch from stdin, specialize it for kernel version ${kernel_version}
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# and write the output either to stdout or to the file $1 (if not empty),
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# depending on the value of the variable ${multiple_patches}.
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function process_patch {
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if [ "${multiple_patches}" = "true" ]; then
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if [ "$1" != "" ]; then
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if [ -e "${patchdir}/$1" ]; then
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echo "Warning: overwriting ${patchdir}/$1"
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fi
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(
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echo "Signed-off-by: ${SIGNED_OFF_BY}"
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echo ""
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specialize_patch
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) >"${patchdir}/$1"
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else
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# echo "Discarded $(wc -l) lines."
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true
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fi
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else
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specialize_patch
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fi
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}
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# Returns 0 (true) if SCST core file "$1" should be added in a separate patch,
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# and 1 (false) if not.
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function in_separate_patch {
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echo "${source_files_in_separate_patch}" | grep -qE "^$1 | $1 | $1\$|^$1\$"
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}
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#########################
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# Argument verification #
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#########################
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debug_specialize="false"
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generating_upstream_patch="false"
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mpt_scst="false"
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multiple_patches="false"
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patchdir=""
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qla2x00t="true"
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replace_sbug_by_bug="true"
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specialize_patch_options="-v delete_disabled_code=1"
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srpt="true"
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if [ ! -e scst -o ! -e iscsi-scst -o ! -e srpt -o ! -e scst_local ]; then
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echo "Please run this script from inside the SCST subversion source tree."
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exit 1
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fi
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set -- $(/usr/bin/getopt dhlmnp:u "$@")
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while [ "$1" != "${1#-}" ]
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do
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case "$1" in
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'-d') debug_specialize="true"; shift;;
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'-h') usage; exit 1;;
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'-l') shift;;
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'-m') mpt_scst="true"; shift;;
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'-n') specialize_patch_options="-v blank_deleted_code=1"
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shift
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;;
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'-p') multiple_patches="true"; patchdir="$2"; shift; shift;;
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'-u') generating_upstream_patch="true"; shift;;
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'--') shift;;
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*) usage; exit 1;;
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esac
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done
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if [ "${debug_specialize}" = "true" ]; then
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specialize_patch_options="${specialize_patch_options} -v debug=1"
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fi
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if [ "${generating_upstream_patch}" = "true" ]; then
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specialize_patch_options="${specialize_patch_options} -v generating_upstream_patch_defined=1 -v config_tcp_zero_copy_transfer_completion_notification_undefined=1 -v config_scst_proc_undefined=1"
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fi
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if [ $# != 1 ]; then
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usage
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exit 1
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fi
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if [ "${multiple_patches}" = "" ]; then
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if [ -e "${patchdir}" ]; then
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echo "Patch output directory ${patchdir} already exists."
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fi
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if [ ! -d "${patchdir}" ]; then
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echo "Error: ${patchdir} is not a directory."
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fi
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fi
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####################
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# Patch Generation #
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####################
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# Strip patch level from the kernel version number.
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if [ "${1#[0-9]*.[0-9]*.[0-9]*.[0-9]*}" != "$1" ]; then
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kernel_version="${1%.[0-9]*}"
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patch_level="${1#${kernel_version}.}"
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else
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kernel_version="$1"
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fi
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for f in fcst/linux-patches/series-${kernel_version}*
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do
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if [ -e "$f" ]; then
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fcst_patch_series="$f"
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fi
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done
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# Hack: make sure that for kernel 2.6.33 and later the line
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# "#define CONFIG_SCST_PROC" is removed from scst/include/scst.h.
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# This is done because of the following change in r1609:
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# Index: scst/kernel/in-tree/Makefile.scst-2.6.33
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# ===================================================================
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# -scst-y += scst_proc.o
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# +scst-y += scst_sysfs.o
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if [ ! "${kernel_version}" "<" "2.6.33" ]; then
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specialize_patch_options="${specialize_patch_options} -v config_scst_proc_undefined=1"
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fi
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if [ "${multiple_patches}" = "false" ]; then
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echo "Signed-off-by: ${SIGNED_OFF_BY}"
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echo ""
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fi
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# General kernel patches.
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scsi_exec_req_fifo_defined=0
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scst_io_context=0
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for p in scst/kernel/*-${kernel_version}.patch \
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iscsi-scst/kernel/patches/*-${kernel_version}.patch
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do
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# Exclude the put_page_callback patch when command-line option -u has been
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# specified since the current approach is not considered acceptable for
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# upstream kernel inclusion. See also http://lkml.org/lkml/2008/12/11/213.
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if [ "${generating_upstream_patch}" = "false" \
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-o "${p#iscsi-scst/kernel/patches/put_page_callback}" = "$p" ]
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then
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if grep -q '^\+#define SCSI_EXEC_REQ_FIFO_DEFINED$' "${p}"; then
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scsi_exec_req_fifo_defined=1
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fi
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if grep -q '^\+#define SCST_IO_CONTEXT$' "${p}"; then
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scst_io_context=1
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fi
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diffname="${p#scst/kernel/}"
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diffname="${p%-${kernel_version}.patch}.diff"
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process_patch < "$p" "${diffname}"
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fi
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done
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scst_debug="scst/include/scst_debug.h scst/src/scst_debug.c"
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scst_proc="scst/src/scst_proc.c"
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scst_sgv="scst/include/scst_sgv.h scst/src/scst_mem.h scst/src/scst_mem.c doc/sgv_cache.txt"
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scst_user="scst/include/scst_user.h scst/src/dev_handlers/scst_user.c"
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scst_vdisk="scst/src/dev_handlers/scst_vdisk.c"
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separate_patches="scst_debug scst_proc scst_sgv scst_user scst_vdisk"
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source_files_in_separate_patch="${scst_debug} ${scst_proc} ${scst_sgv} ${scst_user} ${scst_vdisk}"
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# Directory include/scst/
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for f in $(ls scst/include/*h 2>/dev/null)
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do
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if ! in_separate_patch "${f}"; then
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add_file "${f}" "include/scst/${f#scst/include/}"
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fi
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done \
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| process_patch "scst_public_headers.diff"
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# Directory drivers/
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(
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add_patch "scst/kernel/in-tree/Kconfig.drivers.Linux-${kernel_version}.patch" \
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"drivers/Kconfig"
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add_patch "scst/kernel/in-tree/Makefile.drivers.Linux-${kernel_version}.patch"\
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"drivers/Makefile"
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) \
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| process_patch "misc.diff"
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# Directory drivers/scst/
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(
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tmpdir="/tmp/scst-$$"
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mkdir -p "${tmpdir}"
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tmp_Kconfig="${tmpdir}/Kconfig.scst-${kernel_version}"
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cat "scst/kernel/in-tree/Kconfig.scst" | \
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if [ -e "${fcst_patch_series}" ]; then
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cat
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else
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grep -v '^source "drivers/scst/fcst/Kconfig"$'
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fi >"${tmp_Kconfig}"
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add_file "${tmp_Kconfig}" "drivers/scst/Kconfig"
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tmp_Makefile="${tmpdir}/Makefile.scst-${kernel_version}"
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cat "scst/kernel/in-tree/Makefile.scst-${kernel_version}" | \
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if [ -e "${fcst_patch_series}" ]; then
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cat
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else
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sed -e 's: fcst/* : :'
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fi >"$tmp_Makefile"
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add_file "$tmp_Makefile" "drivers/scst/Makefile"
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rm -rf "${tmpdir}"
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for f in $(ls scst/src/*.[ch] 2>/dev/null)
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do
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if [ "${generating_upstream_patch}" = "true" \
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-a "${f}" = "scst/src/scst_proc.c" ]; then
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continue
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fi
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if ! in_separate_patch "${f}"; then
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add_file "${f}" "drivers/scst/${f#scst/src/}"
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fi
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done
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) \
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| process_patch "scst_core.diff"
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for s in ${separate_patches}
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do
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fileset=$s
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for f in $(set | grep "^$s=" | sed -e "s/^$s='\(.*\)'\$/\1/" -e "s/^$s=\(.*\)\$/\1/")
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do
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if [ "${generating_upstream_patch}" = "true" \
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-a "${f}" = "scst/src/scst_proc.c" ]; then
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continue
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fi
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if [ "${f#scst/include}" != "${f}" ]; then
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add_file "${f}" "include/scst/${f#scst/include/}"
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elif [ "${f#doc}" != "${f}" ]; then
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add_file "${f}" "Documentation/scst/${f#doc/}"
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else
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add_file "${f}" "drivers/scst/${f#scst/src/}"
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fi
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done \
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| process_patch "${s}.diff"
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done
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{
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add_file "scst/README_in-tree" "Documentation/scst/README.scst"
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add_file "scst/SysfsRules" "Documentation/scst/SysfsRules"
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} | process_patch "scst_core_doc.diff"
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# Directory drivers/scst/dev_handlers/
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(
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add_file "scst/kernel/in-tree/Makefile.dev_handlers-${kernel_version}" \
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"drivers/scst/dev_handlers/Makefile" \
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| process_patch "dev_handlers_makefile.diff"
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for f in $(ls scst/src/dev_handlers/*.[ch] 2>/dev/null)
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do
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if ! in_separate_patch "${f}"; then
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add_file "${f}" "drivers/scst/dev_handlers/${f#scst/src/dev_handlers/}"
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fi
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done
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) \
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| process_patch "scst_passthrough.diff"
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# Directory drivers/scst/fcst/
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{
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if [ -e "${fcst_patch_series}" ]; then
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for f in $(grep -v '^#' "${fcst_patch_series}")
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do
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cat "fcst/linux-patches/${f}"
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done
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fi
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add_file "fcst/Makefile_in-tree" \
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"drivers/scst/fcst/Makefile"
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add_file "fcst/Kconfig" "drivers/scst/fcst/Kconfig"
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for f in $(ls fcst/*.[ch] 2>/dev/null)
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do
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add_file "${f}" "drivers/scst/fcst/${f#fcst/}"
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done
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} \
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| process_patch "fcst.diff"
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add_file "fcst/README" "Documentation/scst/README.fcst" \
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| process_patch "fcst-doc.diff"
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# Directory drivers/scst/iscsi-scst/
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# Make sure the file iscsi-scst/iscsi_scst_itf_ver.h is up to date.
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make -s -C iscsi-scst include/iscsi_scst_itf_ver.h
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(
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for f in $(ls iscsi-scst/include/*h 2>/dev/null)
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do
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if [ "${f}" != "iscsi-scst/include/iscsi_scst_itf_ver.h" ]; then
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add_file "${f}" "include/scst/${f#iscsi-scst/include/}"
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fi
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done
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add_file "iscsi-scst/include/iscsi_scst_itf_ver.h" "include/scst/iscsi_scst_itf_ver.h"
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add_file "iscsi-scst/kernel/Makefile.in-kernel" \
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"drivers/scst/iscsi-scst/Makefile"
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add_file "iscsi-scst/kernel/Kconfig" "drivers/scst/iscsi-scst/Kconfig"
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for f in $(ls iscsi-scst/kernel/*.[ch] 2>/dev/null)
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do
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add_file "${f}" "drivers/scst/iscsi-scst/${f#iscsi-scst/kernel/}"
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done
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) \
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| process_patch "iscsi-scst.diff"
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add_file "iscsi-scst/README_in-tree" "Documentation/scst/README.iscsi" \
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| process_patch "iscsi-scst-doc.diff"
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# Directory drivers/scst/qla2x00-target/
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if [ "${qla2x00t}" = "true" ]; then
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( cd qla2x00t && ./generate-in-tree-patches "$1" )
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for f in $(ls qla2x00t/in-tree-patches/"$1"/*.patch 2>/dev/null)
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do
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g="${f#qla2x00t/in-tree-patches/$1/}"
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g="${g%.patch}"
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add_patch "${f}" "drivers/scsi/qla2xxx/${g}"
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done
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add_file "qla2x00t/qla2x_tgt.h" \
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"drivers/scsi/qla2xxx/qla2x_tgt.h"
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add_file "qla2x00t/qla2x_tgt_def.h" \
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"drivers/scsi/qla2xxx/qla2x_tgt_def.h"
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add_file "qla2x00t/qla2x00-target/Makefile_in-tree-${kernel_version}" \
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"drivers/scst/qla2xxx-target/Makefile"
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add_file "qla2x00t/qla2x00-target/Kconfig" \
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"drivers/scst/qla2xxx-target/Kconfig"
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for f in $(ls qla2x00t/qla2x00-target/*.[ch] 2>/dev/null)
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do
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add_file "${f}" "drivers/scst/qla2xxx-target/${f#qla2x00t/qla2x00-target/}"
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done
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add_file "qla2x00t/qla2x00-target/README" \
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"Documentation/scst/README.qla2x00t" \
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| process_patch "qla2x00t-doc.diff"
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else
|
|
|
|
add_empty_file "drivers/scst/qla2xxx-target/Makefile"
|
|
|
|
add_empty_file "drivers/scst/qla2xxx-target/Kconfig"
|
|
|
|
fi \
|
|
| process_patch "qla2x00t.diff"
|
|
|
|
|
|
# Directory drivers/scst/srpt
|
|
|
|
if [ "$srpt" = "true" ]; then
|
|
|
|
add_file "srpt/src/Kconfig" "drivers/scst/srpt/Kconfig"
|
|
|
|
add_file "srpt/src/Makefile.in_kernel" "drivers/scst/srpt/Makefile"
|
|
|
|
for f in $(ls srpt/src/*.[ch] 2>/dev/null)
|
|
do
|
|
add_file "${f}" "drivers/scst/srpt/${f#srpt/src/}"
|
|
done
|
|
|
|
else
|
|
|
|
add_empty_file "drivers/scst/srpt/Kconfig"
|
|
|
|
add_empty_file "drivers/scst/srpt/Makefile"
|
|
|
|
fi \
|
|
| process_patch "srpt.diff"
|
|
|
|
add_file "srpt/README_in-tree" "Documentation/scst/README.srpt" \
|
|
| process_patch "srpt-doc.diff"
|
|
|
|
|
|
# Directory drivers/message/fusion/mpt_scst
|
|
|
|
if [ "$mpt_scst" = "true" ]; then
|
|
|
|
(
|
|
add_patch "mpt/in-tree/Kconfig-2.6.24.diff" "drivers/message/fusion/Kconfig"
|
|
|
|
add_patch "mpt/in-tree/Makefile.diff" "drivers/message/fusion/Makefile"
|
|
|
|
add_file "mpt/in-tree/Makefile" "drivers/message/fusion/mpt_scst/Makefile"
|
|
|
|
add_file "mpt/in-tree/Kconfig" "drivers/message/fusion/mpt_scst/Kconfig"
|
|
|
|
for f in $(ls mpt/*.[ch] 2>/dev/null)
|
|
do
|
|
add_file "${f}" "drivers/message/fusion/mpt_scst/${f#mpt/}"
|
|
done
|
|
) \
|
|
| process_patch "mpt_scst.diff"
|
|
|
|
fi
|
|
|
|
|
|
# Directory drivers/scst/scst_local
|
|
|
|
(
|
|
add_file "scst_local/in-tree/Kconfig" "drivers/scst/scst_local/Kconfig"
|
|
|
|
add_file "scst_local/in-tree/Makefile-${kernel_version}" "drivers/scst/scst_local/Makefile"
|
|
|
|
add_file "scst_local/scst_local.c" "drivers/scst/scst_local/scst_local.c"
|
|
) \
|
|
| process_patch "scst_local.diff"
|
|
|
|
add_file "scst_local/README" "Documentation/scst/README.scst_local" \
|
|
| process_patch "scst_local-doc.diff"
|