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[Qemu-devel] [PATCH 2/3]: Add -uuid option to Qemu
From: |
Chris Lalancette |
Subject: |
[Qemu-devel] [PATCH 2/3]: Add -uuid option to Qemu |
Date: |
Mon, 28 Jul 2008 15:25:17 +0200 |
User-agent: |
Thunderbird 2.0.0.14 (X11/20080501) |
As suggested by Anthony, this patch and the next one were split apart. This
patch just adds the basic plumbing to qemu to be able to set the uuid on the
command-line, and retrieve the information via "info uuid".
Signed-off-by: Chris Lalancette <address@hidden>
Cc: Gleb Natapov <address@hidden>
Cc: Anthony Liguori <address@hidden>
diff -urp qemu.patch1/configure qemu.patch2/configure
--- qemu.patch1/configure 2008-07-28 14:14:32.000000000 +0200
+++ qemu.patch2/configure 2008-07-28 14:18:47.000000000 +0200
@@ -108,6 +108,7 @@ uname_release=""
curses="yes"
nptl="yes"
mixemu="no"
+uuid="yes"
# OS specific
targetos=`uname -s`
@@ -271,6 +272,8 @@ for opt do
;;
--fmod-inc=*) fmod_inc="$optarg"
;;
+ --disable-uuid) uuid="no"
+ ;;
--audio-card-list=*) audio_card_list="$optarg"
;;
--audio-drv-list=*) audio_drv_list="$optarg"
@@ -433,6 +436,7 @@ echo " --enable-darwin-user enable
echo " --disable-darwin-user disable all darwin usermode emulation targets"
echo " --fmod-lib path to FMOD library"
echo " --fmod-inc path to FMOD includes"
+echo " --disable-uuid disable UUID support"
echo " --enable-uname-release=R Return R for uname -r in usermode emulation"
echo " --sparc_cpu=V Build qemu for Sparc architecture v7, v8,
v8plus, v8plusa, v9"
echo " --disable-vde disable support for vde network"
@@ -851,6 +855,19 @@ EOF
fi
fi # test "$curses"
+##########################################
+# uuid library
+if test "$uuid" = "yes" ; then
+ uuid=no
+ cat > $TMPC << EOF
+#include <uuid/uuid.h>
+int main(void) { uuid_t u; return 0; }
+EOF
+ if $cc $ARCH_CFLAGS -o $TMPE $TMPC -luuid 2> /dev/null ; then
+ uuid=yes
+ fi
+fi # test "$uuid"
+
# Check if tools are available to build documentation.
if [ -x "`which texi2html 2>/dev/null`" ] && \
[ -x "`which pod2man 2>/dev/null`" ]; then
@@ -922,6 +939,7 @@ echo "Documentation $build_docs"
echo "uname -r $uname_release"
echo "NPTL support $nptl"
echo "vde support $vde"
+echo "UUID Support $uuid"
if test $sdl_too_old = "yes"; then
echo "-> Your SDL version is too old - please upgrade to have SDL support"
@@ -1122,6 +1140,10 @@ if test "$vnc_tls" = "yes" ; then
echo "CONFIG_VNC_TLS_LIBS=$vnc_tls_libs" >> $config_mak
echo "#define CONFIG_VNC_TLS 1" >> $config_h
fi
+if test "$uuid" = "yes" ; then
+ echo "CONFIG_UUID=yes" >> $config_mak
+ echo "#define CONFIG_UUID 1" >> $config_h
+fi
qemu_version=`head $source_path/VERSION`
echo "VERSION=$qemu_version" >>$config_mak
echo "#define QEMU_VERSION \"$qemu_version\"" >> $config_h
diff -urp qemu.patch1/Makefile.target qemu.patch2/Makefile.target
--- qemu.patch1/Makefile.target 2008-07-28 14:14:32.000000000 +0200
+++ qemu.patch2/Makefile.target 2008-07-28 14:18:47.000000000 +0200
@@ -515,6 +515,10 @@ CPPFLAGS += $(CONFIG_VNC_TLS_CFLAGS)
LIBS += $(CONFIG_VNC_TLS_LIBS)
endif
+ifdef CONFIG_UUID
+LIBS += -luuid
+endif
+
# SCSI layer
OBJS+= lsi53c895a.o esp.o
diff -urp qemu.patch1/monitor.c qemu.patch2/monitor.c
--- qemu.patch1/monitor.c 2008-07-28 12:11:23.000000000 +0200
+++ qemu.patch2/monitor.c 2008-07-28 15:08:56.000000000 +0200
@@ -1363,6 +1363,20 @@ static void do_inject_nmi(int cpu_index)
}
#endif
+static void do_info_uuid(void)
+{
+ extern char *qemu_uuid;
+#ifdef CONFIG_UUID
+ term_printf("uuid: ");
+ if (qemu_uuid == NULL)
+ term_printf("Not set\n");
+ else
+ term_printf("%s\n", qemu_uuid);
+#else
+ term_printf("uuid support: not compiled\n");
+#endif
+}
+
static term_cmd_t term_cmds[] = {
{ "help|?", "s?", do_help,
"[cmd]", "show the help" },
@@ -1502,6 +1516,7 @@ static term_cmd_t info_cmds[] = {
{ "slirp", "", do_info_slirp,
"", "show SLIRP statistics", },
#endif
+ { "uuid", "", do_info_uuid, "", "show UUID information" },
{ NULL, NULL, },
};
diff -urp qemu.patch1/vl.c qemu.patch2/vl.c
--- qemu.patch1/vl.c 2008-07-28 14:14:32.000000000 +0200
+++ qemu.patch2/vl.c 2008-07-28 14:18:47.000000000 +0200
@@ -252,6 +252,8 @@ static int64_t qemu_icount_bias;
QEMUTimer *icount_rt_timer;
QEMUTimer *icount_vm_timer;
+const char *qemu_uuid;
+
#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
/***********************************************************/
@@ -7574,6 +7576,10 @@ static void help(int exitcode)
"-no-shutdown stop before shutdown\n"
"-loadvm [tag|id] start right away with a saved state (loadvm in
monitor)\n"
"-vnc display start a VNC server on display\n"
+#ifdef CONFIG_UUID
+ "-uuid %%08x-%%04x-%%04x-%%012x\n"
+ " specify machine UUID\n"
+#endif
#ifndef _WIN32
"-daemonize daemonize QEMU after initializing\n"
#endif
@@ -7690,6 +7696,7 @@ enum {
QEMU_OPTION_clock,
QEMU_OPTION_startdate,
QEMU_OPTION_tb_size,
+ QEMU_OPTION_uuid,
QEMU_OPTION_icount,
};
@@ -7779,6 +7786,9 @@ const QEMUOption qemu_options[] = {
#ifdef CONFIG_CURSES
{ "curses", 0, QEMU_OPTION_curses },
#endif
+#ifdef CONFIG_UUID
+ { "uuid", HAS_ARG, QEMU_OPTION_uuid },
+#endif
/* temporary options */
{ "usb", 0, QEMU_OPTION_usb },
@@ -8553,6 +8563,11 @@ int main(int argc, char **argv)
case QEMU_OPTION_daemonize:
daemonize = 1;
break;
+#ifdef CONFIG_UUID
+ case QEMU_OPTION_uuid:
+ qemu_uuid = optarg;
+ break;
+#endif
case QEMU_OPTION_option_rom:
if (nb_option_roms >= MAX_OPTION_ROMS) {
fprintf(stderr, "Too many option ROMs\n");
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