OpenSolaris Launch

1 files changed, 194 insertions, 0 deletions

diff --git a/usr/src/cmd/mdb/common/modules/genunix/zone.c b/usr/src/cmd/mdb/common/modules/genunix/zone.c
new file mode 100644
index 0000000000..ce4ea86edc
--- /dev/null
+++ b/usr/src/cmd/mdb/common/modules/genunix/zone.c
@@ -0,0 +1,194 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <mdb/mdb_param.h>
+#include <mdb/mdb_modapi.h>
+#include <mdb/mdb_ks.h>
+
+#include "zone.h"
+
+#include <stddef.h>
+#include <sys/zone.h>
+
+#define	ZONE_NAMELEN	20
+#ifdef _LP64
+#define	ZONE_PATHLEN	32
+#else
+#define	ZONE_PATHLEN	40
+#endif
+
+int
+zoneprt(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	zone_t zn;
+	char name[ZONE_NAMELEN];
+	char path[ZONE_PATHLEN];
+	int len;
+
+	if (argc != 0)
+		return (DCMD_USAGE);
+
+	if (!(flags & DCMD_ADDRSPEC)) {
+		if (mdb_walk_dcmd("zone", "zone", argc, argv) == -1) {
+			mdb_warn("can't walk zones");
+			return (DCMD_ERR);
+		}
+		return (DCMD_OK);
+	}
+	if (DCMD_HDRSPEC(flags)) {
+		mdb_printf("%<u>%?s %6s %-20s %-s%</u>\n",
+		    "ADDR", "ID", "NAME", "PATH");
+	}
+	if (mdb_vread(&zn, sizeof (zone_t), addr) == -1) {
+		mdb_warn("can't read zone_t structure at %p", addr);
+		return (DCMD_ERR);
+	}
+	len = mdb_readstr(name, ZONE_NAMELEN, (uintptr_t)zn.zone_name);
+	if (len > 0) {
+		if (len == ZONE_NAMELEN)
+			(void) strcpy(&name[len - 4], "...");
+	} else {
+		(void) strcpy(name, "??");
+	}
+	len = mdb_readstr(path, ZONE_PATHLEN, (uintptr_t)zn.zone_rootpath);
+	if (len > 0) {
+		if (len == ZONE_PATHLEN)
+			(void) strcpy(&path[len - 4], "...");
+	} else {
+		(void) strcpy(path, "??");
+	}
+	mdb_printf("%0?p %6d %-20s %s\n", addr, zn.zone_id, name, path);
+	return (DCMD_OK);
+}
+
+int
+zone_walk_init(mdb_walk_state_t *wsp)
+{
+	GElf_Sym sym;
+
+	if (wsp->walk_addr == NULL) {
+		if (mdb_lookup_by_name("zone_active", &sym) == -1) {
+			mdb_warn("failed to find 'zone_active'");
+			return (WALK_ERR);
+		}
+		wsp->walk_addr = (uintptr_t)sym.st_value;
+	}
+	if (mdb_layered_walk("list", wsp) == -1) {
+		mdb_warn("couldn't walk 'list'");
+		return (WALK_ERR);
+	}
+	return (WALK_NEXT);
+}
+
+int
+zone_walk_step(mdb_walk_state_t *wsp)
+{
+	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
+		    wsp->walk_cbdata));
+}
+
+int
+zsd_walk_init(mdb_walk_state_t *wsp)
+{
+	if (wsp->walk_addr == NULL) {
+		mdb_warn("global walk not supported\n");
+		return (WALK_ERR);
+	}
+	wsp->walk_addr += offsetof(struct zone, zone_zsd);
+	if (mdb_layered_walk("list", wsp) == -1) {
+		mdb_warn("couldn't walk 'list'");
+		return (WALK_ERR);
+	}
+	return (WALK_NEXT);
+}
+
+int
+zsd_walk_step(mdb_walk_state_t *wsp)
+{
+	return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
+		    wsp->walk_cbdata));
+}
+
+struct zsd_cb_data {
+	zone_key_t	key;
+	int		found;
+};
+
+/* ARGSUSED */
+static int
+zsd_match(uintptr_t addr, const void *data, void *private)
+{
+	struct zsd_entry ze;
+	struct zsd_cb_data *cbdata = private;
+
+	if (mdb_vread(&ze, sizeof (struct zsd_entry), addr) == -1) {
+		mdb_warn("couldn't read zsd_entry at %p", addr);
+		return (WALK_ERR);
+	}
+	if (ze.zsd_key != cbdata->key)
+		return (WALK_NEXT);
+	cbdata->found = 1;
+	mdb_printf("%p\n", ze.zsd_data);
+	return (WALK_DONE);
+}
+
+int
+zsd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	zone_t zone;
+	const mdb_arg_t *argp = &argv[0];
+	zone_key_t key;
+	struct zsd_cb_data cbd;
+
+	if ((flags & DCMD_ADDRSPEC) == 0) {
+		mdb_warn("address of zone not specified\n");
+		return (DCMD_ERR);
+	}
+	if (argc != 1)
+		return (DCMD_USAGE);
+	if (argp->a_type == MDB_TYPE_IMMEDIATE)
+		key = argp->a_un.a_val;
+	else
+		key = mdb_strtoull(argp->a_un.a_str);
+	if (mdb_vread(&zone, sizeof (struct zone), addr) == -1) {
+		mdb_warn("couldn't read zone_t at %p", addr);
+		return (DCMD_ERR);
+	}
+	cbd.key = key;
+	cbd.found = 0;
+	if (mdb_pwalk("zsd", zsd_match, &cbd, addr) != 0) {
+		mdb_warn("failed to walk zsd\n");
+		return (DCMD_ERR);
+	}
+	if (cbd.found == 0) {
+		mdb_warn("no corresponding ZSD value found for key %d\n",
+		    key);
+		return (DCMD_ERR);
+	}
+	return (DCMD_OK);
+}