automatically generate hfi structs from dwarf info

kernel/script/regenerate_hfi1_header.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+# usage:
+# /path/to/regenerate_hfi1_header.sh [hfi1.ko]
+
+SCRIPT_PATH="${BASH_SOURCE[0]}"
+ROOTDIR=$(readlink -m "$SCRIPT_PATH")
+ROOTDIR=$(dirname "$ROOTDIR")
+set -e
+
+# static configuration-ish
+declare -r DES_BIN="${ROOTDIR}/dwarf-extract-struct"
+declare -r DES_SRC="${DES_BIN}.c"
+declare -r HDR="${ROOTDIR}/../include/hfi1/hfi1_generated_structs.h"
+
+error() {
+	echo "$@" >&2
+	exit 1
+}
+
+HFI1_KO="${1-$(modprobe -n hfi1)}" || \
+	error "Could not find hfi1 module and no argument given. Usage: $0 [hfi1.ko]"
+
+
+[[ "$DES_BIN" -nt "$DES_SRC" ]]			|| \
+	gcc -o "$DES_BIN" -g -ldwarf "$DES_SRC"	|| \
+	error "Could not compile, install libdwarf-devel ?"
+
+"$DES_BIN" "$HFI1_KO" hfi1_pportdata vls_operational > "$HDR"
+
+"$DES_BIN" "$HFI1_KO" hfi1_ctxtdata					\
+	ctxt rcv_array_groups eager_base expected_count expected_base	\
+	tid_group_list tid_used_list tid_full_list dd >> "$HDR"
+
+"$DES_BIN" "$HFI1_KO" hfi1_devdata					\
+	per_sdma sdma_pad_phys sdma_map pport chip_rcv_array_count	\
+	kregbase1 piobase physaddr rcvarray_wc default_desc1 flags	\
+	sc2vl >> "$HDR"