Implement panic command.

2 files changed, 38 insertions, 4 deletions

diff --git a/usr.sbin/ldomctl/ldomctl.8 b/usr.sbin/ldomctl/ldomctl.8
index 58048d2c34d..610f758d0ad 100644
--- a/usr.sbin/ldomctl/ldomctl.8
+++ b/usr.sbin/ldomctl/ldomctl.8
@@ -1,4 +1,4 @@
-.\"     $OpenBSD: ldomctl.8,v 1.3 2012/11/29 22:15:49 kettenis Exp $
+.\"     $OpenBSD: ldomctl.8,v 1.4 2012/12/09 20:24:53 kettenis Exp $
 .\"
 .\" Copyright (c) 2012 Mark Kettenis <kettenis@openbsd.org>
 .\"
@@ -14,7 +14,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: November 29 2012 $
+.Dd $Mdocdate: December 9 2012 $
 .Dt LDOMCTL 8 sparc64
 .Os
 .Sh NAME
@@ -37,12 +37,18 @@ The following commands are available:
 Start a domain.
 .It Cm stop Ar domain
 Stop a domain.
+.It Cm panic Ar domain
+Panic a domain.
+The exact behaviour of this command depends on the OS running in the domain.
+For OpenBSD the default behaviour is to enter
+.Xr ddb 4 .
 .It Cm status Op Ar domain
 Display status information for
 .Ar domain ,
 or for all domains running on the system.
 .El
 .Sh SEE ALSO
+.Xr ddb 4 ,
 .Xr ldomd 8
 .Sh HISTORY
 The
diff --git a/usr.sbin/ldomctl/ldomctl.c b/usr.sbin/ldomctl/ldomctl.c
index d6cbf172d30..27ee1a0d61f 100644
--- a/usr.sbin/ldomctl/ldomctl.c
+++ b/usr.sbin/ldomctl/ldomctl.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ldomctl.c,v 1.18 2012/11/28 11:17:23 kettenis Exp $	*/
+/*	$OpenBSD: ldomctl.c,v 1.19 2012/12/09 20:24:53 kettenis Exp $	*/
 
 /*
  * Copyright (c) 2012 Mark Kettenis
@@ -54,6 +54,7 @@ void xselect(int argc, char **argv);
 void delete(int argc, char **argv);
 void guest_start(int argc, char **argv);
 void guest_stop(int argc, char **argv);
+void guest_panic(int argc, char **argv);
 void guest_status(int argc, char **argv);
 void init_system(int argc, char **argv);
 
@@ -65,6 +66,7 @@ struct command commands[] = {
 	{ "delete",	delete },
 	{ "start",	guest_start },
 	{ "stop",	guest_stop },
+	{ "panic",	guest_panic },
 	{ "status",	guest_status },
 	{ "init-system", init_system },
 	{ NULL,		NULL }
@@ -157,7 +159,7 @@ usage(void)
 {
 	extern char *__progname;
 
-	fprintf(stderr, "usage: %s start|stop domain\n", __progname);
+	fprintf(stderr, "usage: %s start|stop|panic domain\n", __progname);
 	fprintf(stderr, "       %s status [domain]\n", __progname);
 	exit(EXIT_FAILURE);
 }
@@ -399,6 +401,32 @@ guest_stop(int argc, char **argv)
 }
 
 void
+guest_panic(int argc, char **argv)
+{
+	struct hvctl_msg msg;
+	ssize_t nbytes;
+
+	if (argc < 2)
+		usage();
+
+	/*
+	 * Stop guest domain.
+	 */
+	bzero(&msg, sizeof(msg));
+	msg.hdr.op = HVCTL_OP_GUEST_PANIC;
+	msg.hdr.seq = hvctl_seq++;
+	msg.msg.guestop.guestid = find_guest(argv[1]);
+	nbytes = write(hvctl_fd, &msg, sizeof(msg));
+	if (nbytes != sizeof(msg))
+		err(1, "write");
+
+	bzero(&msg, sizeof(msg));
+	nbytes = read(hvctl_fd, &msg, sizeof(msg));
+	if (nbytes != sizeof(msg))
+		err(1, "read");
+}
+
+void
 guest_status(int argc, char **argv)
 {
 	struct hvctl_msg msg;