X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Futils%2Flctl.c;h=7e7bb7ccc45ccbf27a541c0f0fffb2fa969ad6a4;hp=32473b58a6530eb7808b8929b0b6a797ed7d25c8;hb=b0efebdaef52d8ac9b02857166ceb00079612ebc;hpb=7a16f18ae1ef5d21812c916470022280617c4e91

diff --git a/lustre/utils/lctl.c b/lustre/utils/lctl.c
index 32473b5..7e7bb7c 100644
--- a/lustre/utils/lctl.c
+++ b/lustre/utils/lctl.c
@@ -23,11 +23,10 @@
  * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
- * Copyright (c) 2012, 2016, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
  *
  * lustre/utils/lctl.c
  *
@@ -49,11 +48,42 @@
 
 static int lctl_list_commands(int argc, char **argv);
 
-static int jt_opt_ignore_errors(int argc, char **argv) {
-        Parser_ignore_errors(1);
-        return 0;
+static int jt_opt_ignore_errors(int argc, char **argv)
+{
+	Parser_ignore_errors(1);
+	return 0;
 }
 
+static int jt_pcc_list_commands(int argc, char **argv);
+static int jt_pcc(int argc, char **argv);
+
+/**
+ * command_t pccdev_cmdlist - lctl pcc commands.
+ */
+command_t pccdev_cmdlist[] = {
+	{ .pc_name = "add", .pc_func = jt_pcc_add,
+	  .pc_help = "Add a PCC backend to a client.\n"
+		"usage: lctl pcc add <mntpath> <pccpath> [--param|-p <param>]\n"
+		"\tmntpath: Lustre mount point.\n"
+		"\tpccpath: Path of the PCC backend.\n"
+		"\tparam:   Setting parameters for PCC backend.\n" },
+	{ .pc_name = "del", .pc_func = jt_pcc_del,
+	  .pc_help = "Delete the specified PCC backend on a client.\n"
+		"usage: clt pcc del <mntpath> <pccpath>\n" },
+	{ .pc_name = "clear", .pc_func = jt_pcc_clear,
+	  .pc_help = "Remove all PCC backend on a client.\n"
+		"usage: lctl pcc clear <mntpath>\n" },
+	{ .pc_name = "list", .pc_func = jt_pcc_list,
+	  .pc_help = "List all PCC backends on a client.\n"
+		"usage: lctl pcc list <mntpath>\n" },
+	{ .pc_name = "list-commands", .pc_func = jt_pcc_list_commands,
+	  .pc_help = "list commands supported by lctl pcc"},
+	{ .pc_name = "help", .pc_func = Parser_help, .pc_help = "help" },
+	{ .pc_name = "exit", .pc_func = Parser_quit, .pc_help = "quit" },
+	{ .pc_name = "quit", .pc_func = Parser_quit, .pc_help = "quit" },
+	{ .pc_help = NULL }
+};
+
 command_t cmdlist[] = {
 	/* Metacommands */
 	{"===== metacommands =======", NULL, 0, "metacommands"},
@@ -84,17 +114,17 @@ command_t cmdlist[] = {
 	{"===== network config =====", NULL, 0, "network config"},
 	{"--net", jt_opt_net, 0, "run <command> after selecting network <net>\n"
 	 "usage: --net <tcp/o2ib/...> <command>"},
-	{"network", jt_ptl_network, 0, "configure LNET"
+	{"network", jt_ptl_network, 0, "configure LNET\n"
 	 "usage: network up|down"},
-	{"net", jt_ptl_network, 0, "configure LNET"
+	{"net", jt_ptl_network, 0, "configure LNET\n"
 	 "usage: net up|down"},
-	{"list_nids", jt_ptl_list_nids, 0, "list local NIDs"
+	{"list_nids", jt_ptl_list_nids, 0, "list local NIDs\n"
 	 "usage: list_nids [all]"},
-	{"which_nid", jt_ptl_which_nid, 0, "choose a NID"
+	{"which_nid", jt_ptl_which_nid, 0, "choose a NID\n"
 	 "usage: which_nid NID [NID...]"},
 	{"replace_nids", jt_replace_nids, 0,
 	 "replace primary NIDs for a device\n"
-	 "usage: replace_nids <device> <nid1>[,nid2,nid3]"},
+	 "usage: replace_nids <device> <nid1>[,nid2,nid3:nid4,nid5:nid6]"},
 	{"interface_list", jt_ptl_print_interfaces, 0,
 	 "print network interface entries\n"
 	 "usage: interface_list"},
@@ -104,10 +134,10 @@ command_t cmdlist[] = {
 	 "print all the remote LNet connections\n"
 	 "usage: conn_list"},
 	{"route_list", jt_ptl_print_routes, 0,
-	 "print the LNet routing table, same as show_route\n"
+	 "print the LNet routing table, same as 'show_route'\n"
 	 "usage: route_list"},
 	{"show_route", jt_ptl_print_routes, 0,
-	 "print the LNet routing table, same as route_list\n"
+	 "print the LNet routing table, same as 'route_list'\n"
 	 "usage: show_route"},
 	{"ping", jt_ptl_ping, 0, "Check LNET connectivity\n"
 	 "usage: ping nid [timeout] [pid]"},
@@ -115,9 +145,10 @@ command_t cmdlist[] = {
 	 "usage: net_drop_add <-s | --source NID>\n"
 	 "		      <-d | --dest NID>\n"
 	 "		      <<-r | --rate DROP_RATE> |\n"
-	 "		       <-i | --interval SECONDS>>\n"
+	 "		      <-i | --interval SECONDS>>\n"
 	 "		      [<-p | --portal> PORTAL...]\n"
-	 "		      [<-m | --message> <PUT|ACK|GET|REPLY>...]\n"},
+	 "		      [<-m | --message> <PUT|ACK|GET|REPLY>...]\n"
+	 "		      [< -e | --health_error]\n"},
 	{"net_drop_del", jt_ptl_drop_del, 0, "remove LNet drop rule\n"
 	 "usage: net_drop_del <[-a | --all] |\n"
 	 "		      <-s | --source NID>\n"
@@ -148,9 +179,12 @@ command_t cmdlist[] = {
 	{"device", jt_obd_device, 0,
 	 "set current device to <name|devno>\n"
 	 "usage: device <%name|$name|devno>"},
+	{"cfg_device", jt_obd_device, 0,
+	 "set current device to <name>, same as 'device'\n"
+	 "usage: cfg_device <name>"},
 	{"device_list", jt_obd_list, 0, "show all devices\n"
 	 "usage: device_list"},
-	{"dl", jt_obd_list, 0, "show all devices\n"
+	{"dl", jt_obd_list, 0, "show all devices, same as 'device_list'\n"
 	 "usage: dl [-t]"},
 
 	/* Device operations */
@@ -160,10 +194,16 @@ command_t cmdlist[] = {
 	 "This command should be used on failed OSC devices in an MDT LOV.\n"},
 	{"abort_recovery", jt_obd_abort_recovery, 0,
 	 "abort recovery on a restarting MDT or OST device\n"},
+	{"abort_recovery_mdt", jt_obd_abort_recovery_mdt, 0,
+	 "abort recovery between MDTs\n"},
+	{"recover", jt_obd_recover, 0,
+	 "try to restore a lost connection immediately\n"
+	 "usage: recover [MDC/OSC device]"},
 	{"set_timeout", jt_lcfg_set_timeout, 0,
 	 "usage: conf_param obd_timeout=<secs>\n"},
 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
-	{"conf_param", jt_lcfg_mgsparam, 0,"set a permanent config parameter.\n"
+	{"conf_param", jt_lcfg_confparam, 0,
+	 "set a permanent config parameter.\n"
 	 "This command must be run on the MGS node\n"
 	 "usage: conf_param [-d] <target.keyword=val>\n"
 	 "  -d  Delete the permanent setting from the configuration."},
@@ -181,12 +221,13 @@ command_t cmdlist[] = {
 	 "      (Especially useful when using patterns.)\n"
 	 "  -R  Get parameters recursively from the specified entry.\n"},
 	{"set_param", jt_lcfg_setparam, 0, "set the Lustre or LNET parameter\n"
-	 "usage: set_param [-n] [-P] [-d]"
+	 "usage: set_param [-n] [-P] [-d] [-F]"
 	 "<param_path1=value1 param_path2=value2 ...>\n"
 	 "Set the value of the Lustre or LNET parameter at the specified path.\n"
 	 "  -n  Disable printing of the key name when printing values.\n"
 	 "  -P  Set the parameter permanently, filesystem-wide.\n"
-	 "  -d  Remove the permanent setting (only with -P option).\n"},
+	 "  -d  Remove the permanent setting (only with -P option).\n"
+	 "  -F  Read permanent configuration from a YAML file.\n"},
 	{"list_param", jt_lcfg_listparam, 0,
 	 "list the Lustre or LNET parameter name\n"
 	 "usage: list_param [-F|-R|-D] <param_path1 param_path2 ...>\n"
@@ -202,16 +243,16 @@ command_t cmdlist[] = {
 	 "debug daemon control and dump to a file\n"
 	 "usage: debug_daemon {start file [#MB]|stop}"},
 	{"debug_kernel", jt_dbg_debug_kernel, 0,
-	 "get debug buffer and dump to a file, same as dk\n"
+	 "get debug buffer and dump to a file, same as 'dk'\n"
 	 "usage: debug_kernel [file] [raw]"},
 	{"dk", jt_dbg_debug_kernel, 0,
-	 "get debug buffer and dump to a file, same as debug_kernel\n"
+	 "get debug buffer and dump to a file, same as 'debug_kernel'\n"
 	 "usage: dk [file] [raw]"},
 	{"debug_file", jt_dbg_debug_file, 0,
 	 "convert a binary debug file dumped by the kernel to ASCII text\n"
 	 "usage: debug_file <input> [output]"},
 	{"df", jt_dbg_debug_file, 0,
-	 "read debug buffer from input and dump to output, same as debug_file\n"
+	 "read debug log from input convert to ASCII, same as 'debug_file'\n"
 	 "usage: df <input> [output]"},
 	{"clear", jt_dbg_clear_debug_buf, 0, "clear kernel debug buffer\n"
 	 "usage: clear"},
@@ -299,6 +340,12 @@ command_t cmdlist[] = {
 	 "usage: snapshot_umount <-F | --fsname fsname> [-h | --help]\n"
 	 "			 <-n | --name ssname>\n"
 	 "			 [-r | --rsh remote_shell]"},
+	{"fork_lcfg", jt_lcfg_fork, 0,
+	 "copy configuration files for named filesystem with given name\n"
+	 "usage: fork_lcfg <fsname> <newname>"},
+	{"erase_lcfg", jt_lcfg_erase, 0,
+	 "permanently erase configuration for the named filesystem\n"
+	 "usage: erase_lcfg <fsname>"},
 #endif /* HAVE_SERVER_SUPPORT */
 	/* Nodemap commands */
 	{"=== Nodemap ===", NULL, 0, "nodemap management"},
@@ -318,7 +365,7 @@ command_t cmdlist[] = {
 	 "add a range to a nodemap\n"
 	 "usage: nodemap_del_range <nid_range>"},
 	{"nodemap_modify", jt_nodemap_modify, 0,
-	 "modify a nodemap parameters"
+	 "modify a nodemap parameters\n"
 	 "usage: nodemap_modify nodemap_name param value"},
 	{"nodemap_add_idmap", jt_nodemap_add_idmap, 0,
 	 "add a UID or GID mapping to a nodemap"},
@@ -327,6 +374,9 @@ command_t cmdlist[] = {
 	{"nodemap_set_fileset", jt_nodemap_set_fileset, 0,
 	 "set a fileset on a nodemap\n"
 	 "usage: nodemap_set_fileset <fileset>"},
+	{"nodemap_set_sepol", jt_nodemap_set_sepol, 0,
+	 "set SELinux policy info on a nodemap\n"
+	 "usage: nodemap_set_sepol <SELinux policy info>"},
 	{"nodemap_test_nid", jt_nodemap_test_nid, 0,
 	 "usage: nodemap_test_nid <nid>"},
 	{"nodemap_test_id", jt_nodemap_test_id, 0,
@@ -343,6 +393,15 @@ command_t cmdlist[] = {
 	 "deregister an existing changelog user\n"
 	 "usage: --device <mdtname> changelog_deregister <id>"},
 
+	/* Persistent Client Cache (PCC) commands */
+	{"=== Persistent Client Cache ===", NULL, 0, "PCC user management"},
+	{"pcc", jt_pcc, pccdev_cmdlist,
+	 "lctl commands used to interact with PCC features:\n"
+	 "lctl pcc add    - add a PCC backend to a client\n"
+	 "lctl pcc del    - delete a PCC backend on a client\n"
+	 "lctl pcc clear  - remove all PCC backends on a client\n"
+	 "lctl pcc list   - list all PCC backends on a client\n"},
+
 	/* Device configuration commands */
 	{"== device setup (these are not normally used post 1.4) ==",
 		NULL, 0, "device config"},
@@ -357,6 +416,9 @@ command_t cmdlist[] = {
 	 "usage: setup <args...>"},
 	{"cleanup", jt_obd_cleanup, 0, "cleanup previously setup device\n"
 	 "usage: cleanup [force | failover]"},
+	{"clear_conf", jt_lcfg_clear, 0,
+	 "drop unused config logs for a device or filesystem\n"
+	 "usage: clear_conf <device|fsname>"},
 	{"fork_lcfg", jt_lcfg_fork, 0,
 	 "copy configuration files for named filesystem with given name\n"
 	 "usage: fork_lcfg <fsname> <newname>"},
@@ -364,6 +426,68 @@ command_t cmdlist[] = {
 	 "permanently erase configuration for the named filesystem\n"
 	 "usage: erase_lcfg <fsname>"},
 
+#ifdef HAVE_SERVER_SUPPORT
+	/* LFSCK commands */
+	{"==== LFSCK ====", NULL, 0, "LFSCK"},
+	{"lfsck_start", jt_lfsck_start, 0, "start LFSCK\n"
+	 "usage: lfsck_start [--device|-M [MDT,OST]_device]\n"
+	 "		     [--all|-A] [--create-ostobj|-c [on | off]]\n"
+	 "		     [--create-mdtobj|-C [on | off]]\n"
+	 "		     [--delay-create-ostobj|-d [on | off]]\n"
+	 "		     [--error|-e {continue | abort}] [--help|-h]\n"
+	 "		     [--dryrun|-n [on | off]] [--orphan|-o]\n"
+	 "		     [--reset|-r] [--speed|-s speed_limit]\n"
+	 "		     [--type|-t lfsck_type[,lfsck_type...]]\n"
+	 "		     [--window-size|-w size]"},
+	{"lfsck_stop", jt_lfsck_stop, 0, "stop lfsck(s)\n"
+	 "usage: lfsck_stop [--device|-M [MDT,OST]_device]\n"
+	 "		    [--all|-A] [--help|-h]"},
+	{"lfsck_query", jt_lfsck_query, 0, "check lfsck(s) status\n"
+	 "usage: lfsck_query [--device|-M MDT_device] [--help|-h]\n"
+	 "		     [--type|-t lfsck_type[,lfsck_type...]]\n"
+	 "		     [--wait|-w]"},
+#endif /* HAVE_SERVER_SUPPORT */
+
+	/* Llog operations */
+	{"==== LLOG ====", NULL, 0, "LLOG"},
+	{"llog_catlist", jt_llog_catlist, 0,
+	 "list all catalog files on current device. If current device is not\n"
+	 "set, MGS device is used by default.\n"
+	 "usage: llog_catlist"},
+	{"llog_info", jt_llog_info, 0,
+	 "print log header information.\n"
+	 "usage: llog_info <logname|FID>\n"},
+	{"llog_print", jt_llog_print, 0,
+	 "print log content information.\n"
+	 "usage: llog_print <logname|FID> [--start <index>] [--end <index>j]\n"
+	 "       print all records by default, or within given index range."},
+	{"llog_cancel", jt_llog_cancel, 0,
+	 "cancel one record in specified log.\n"
+	 "usage:llog_cancel <logname|FID> --log_idx <idx>\n"},
+	{"llog_check", jt_llog_check, 0,
+	 "verify that log content is valid.\n"
+	 "usage: llog_check <logname|FID> [--start <index>] [--end <index>j]\n"
+	 "       check all records from index 1 by default."},
+	{"llog_remove", jt_llog_remove, 0,
+	 "remove one log from catalog or plain log, erase it from disk.\n"
+	 "usage: llog_remove <logname|FID> [--log_id <id>]"},
+
+	{"==== obsolete (DANGEROUS) ====", NULL, 0, "obsolete (DANGEROUS)"},
+	/* network operations */
+	{"add_interface", jt_ptl_add_interface, 0, "add interface entry\n"
+	 "usage: add_interface ip [netmask]"},
+	{"del_interface", jt_ptl_del_interface, 0, "del interface entry\n"
+	 "usage: del_interface [ip]"},
+	{"add_route", jt_ptl_add_route, 0,
+	 "add an entry to the LNet routing table\n"
+	 "usage: add_route <gateway> [<hops> [<priority>]]"},
+	{"del_route", jt_ptl_del_route, 0,
+	 "delete route via gateway to targets from the LNet routing table\n"
+	 "usage: del_route <gateway> [<target>] [<target>]"},
+	{"set_route", jt_ptl_notify_router, 0,
+	 "enable/disable routes via gateway in the LNet routing table\n"
+	 "usage: set_route <gateway> <up/down> [<time>]"},
+
 	/* Test only commands */
 	{"==== testing (DANGEROUS) ====", NULL, 0, "testing (DANGEROUS)"},
 	{"--threads", jt_opt_threads, 0,
@@ -373,8 +497,10 @@ command_t cmdlist[] = {
 	 "usage: lookup <directory> <file>"},
 	{"readonly", jt_obd_set_readonly, 0,
 	 "disable writes to the underlying device\n"},
+#ifdef HAVE_SERVER_SUPPORT
 	{"notransno", jt_obd_no_transno, 0,
 	 "disable sending of committed-transno updates\n"},
+#endif
 	{"add_uuid", jt_lcfg_add_uuid, 0, "associate a UUID with a NID\n"
 	 "usage: add_uuid <uuid> <nid>"},
 	{"del_uuid", jt_lcfg_del_uuid, 0, "delete a UUID association\n"
@@ -399,7 +525,7 @@ command_t cmdlist[] = {
 	 "otherwise fail 'count' messages.\n"
 	 "usage: fail nid|_all_ [count]"},
 
-	/*Test commands for echo client*/
+	/* Test commands for echo client */
 	{"test_create", jt_obd_test_create, 0,
 	 "create files on MDT by echo client\n"
 	 "usage: test_create [-d parent_basedir] <-D parent_count> "
@@ -453,109 +579,83 @@ command_t cmdlist[] = {
 	 "get the version of an object on servers\n"
 	 "usage: getobjversion <fid>\n"
 	 "	 getobjversion -i <id> -g <group>"},
-#ifdef HAVE_SERVER_SUPPORT
-	/* LFSCK commands */
-	{"==== LFSCK ====", NULL, 0, "LFSCK"},
-	{"lfsck_start", jt_lfsck_start, 0, "start LFSCK\n"
-	 "usage: lfsck_start [-M | --device [MDT,OST]_device]\n"
-	 "		     [-A | --all] [-c | --create-ostobj [on | off]]\n"
-	 "		     [-C | --create-mdtobj [on | off]]\n"
-	 "		     [-d | --delay-create-ostobj [on | off]]\n"
-	 "		     [-e | --error {continue | abort}] [-h | --help]\n"
-	 "		     [-n | --dryrun [on | off]] [-o | --orphan]\n"
-	 "		     [-r | --reset] [-s | --speed speed_limit]\n"
-	 "		     [-t | --type lfsck_type[,lfsck_type...]]\n"
-	 "		     [-w | --window-size size]"},
-	{"lfsck_stop", jt_lfsck_stop, 0, "stop lfsck(s)\n"
-	 "usage: lfsck_stop [-M | --device [MDT,OST]_device]\n"
-	 "		    [-A | --all] [-h | --help]"},
-	{"lfsck_query", jt_lfsck_query, 0, "check lfsck(s) status\n"
-	 "usage: lfsck_query [-M | --device MDT_device] [-h | --help]\n"
-	 "		     [-t | --type lfsck_type[,lfsck_type...]]\n"
-	 "		     [-w | --wait]"},
-#endif /* HAVE_SERVER_SUPPORT */
-	{"==== obsolete (DANGEROUS) ====", NULL, 0, "obsolete (DANGEROUS)"},
-	/* some test scripts still use these */
-	{"cfg_device", jt_obd_device, 0,
-	 "set current device to <name>\n"
-	 "usage: device <name>"},
-	{"recover", jt_obd_recover, 0,
-	 "try to restore a lost connection immediately\n"
-	 "usage: recover [MDC/OSC device]"},
-	/* saving for sanity 44a */
-	{"lov_getconfig", jt_obd_lov_getconfig, 0,
-	 "read lov configuration from an mds device\n"
-	 "usage: lov_getconfig <mountpoint>"},
-	/* Llog operations */
-	{"llog_catlist", jt_llog_catlist, 0,
-	 "list all catalog logs on current device.\n"
-	 "usage: llog_catlist"},
-	{"llog_info", jt_llog_info, 0,
-	 "print log header information.\n"
-	 "usage: llog_info <logname|[FID]>\n"
-	 "       oid, ogr and ogen are hexadecimal."},
-	{"llog_print", jt_llog_print, 0,
-	 "print log content information.\n"
-	 "usage: llog_print <logname|[FID]> [start_index [end_index]]\n"
-	 "       print all records from index 1 by default."},
-	{"llog_check", jt_llog_check, 0,
-	 "print log content information.\n"
-	 "usage: llog_check <logname|[FID]> [start_index] [end_index]\n"
-	 "       check all records from index 1 by default."},
-	{"llog_cancel", jt_llog_cancel, 0,
-	 "cancel one record in log.\n"
-	 "This command supports both positional and optional arguments\n"
-	 "usage (positional args): "
-	 "llog_cancel <catalog name|[FID]> [log id] <index>\n"
-	 "usage (optional args): "
-	 "llog_cancel --catalog <catalog id|catalog name> --log_id <log_id> "
-	 "--log_idx <index>"},
-	{"llog_remove", jt_llog_remove, 0,
-	 "remove one log from catalog or plain log, erase it from disk.\n"
-	 "usage: llog_remove <catalog name|[FID]> <log id>"},
-	/* network operations */
-	{"add_interface", jt_ptl_add_interface, 0, "add interface entry\n"
-	 "usage: add_interface ip [netmask]"},
-	{"del_interface", jt_ptl_del_interface, 0, "del interface entry\n"
-	 "usage: del_interface [ip]"},
-	{"add_route", jt_ptl_add_route, 0,
-	 "add an entry to the LNet routing table\n"
-	 "usage: add_route <gateway> [<hops> [<priority>]]"},
-	{"del_route", jt_ptl_del_route, 0,
-	 "delete route via gateway to targets from the LNet routing table\n"
-	 "usage: del_route <gateway> [<target>] [<target>]"},
-	{"set_route", jt_ptl_notify_router, 0,
-	 "enable/disable routes via gateway in the LNet routing table\n"
-	 "usage: set_route <gateway> <up/down> [<time>]"},
-
 	{ 0, 0, 0, NULL }
 };
 
+/**
+ * jt_pcc_list_commands() - List lctl pcc commands.
+ * @argc: The count of command line arguments.
+ * @argv: Array of strings for command line arguments.
+ *
+ * This function lists lctl pcc commands defined in pccdev_cmdlist[].
+ *
+ * Return: 0 on success.
+ */
+static int jt_pcc_list_commands(int argc, char **argv)
+{
+	char buffer[81] = "";
+
+	Parser_list_commands(pccdev_cmdlist, buffer, sizeof(buffer),
+			     NULL, 0, 4);
+
+	return 0;
+}
+
+/**
+ * jt_pcc() - Parse and execute lctl pcc commands.
+ * @argc: The count of lctl pcc command line arguments.
+ * @argv: Array of strings for lctl pcc command line arguments.
+ *
+ * This function parses lfs pcc commands and performs the
+ * corresponding functions specified in pccdev_cmdlist[].
+ *
+ * Return: 0 on success or an error code on failure.
+ */
+static int jt_pcc(int argc, char **argv)
+{
+	char cmd[PATH_MAX];
+	int rc = 0;
+
+	setlinebuf(stdout);
+
+	Parser_init("lctl-pcc > ", pccdev_cmdlist);
+
+	snprintf(cmd, sizeof(cmd), "%s %s", program_invocation_short_name,
+		 argv[0]);
+	program_invocation_short_name = cmd;
+	if (argc > 1)
+		rc = Parser_execarg(argc - 1, argv + 1, pccdev_cmdlist);
+	else
+		rc = Parser_commands();
+
+	return rc < 0 ? -rc : rc;
+}
+
 int lctl_main(int argc, char **argv)
 {
-        int rc;
+	int rc;
 
-        setlinebuf(stdout);
+	setlinebuf(stdout);
 
 	if (ptl_initialize(argc, argv) < 0)
 		exit(1);
-        if (obd_initialize(argc, argv) < 0)
-                exit(2);
-        if (dbg_initialize(argc, argv) < 0)
-                exit(3);
+	if (obd_initialize(argc, argv) < 0)
+		exit(2);
+	if (dbg_initialize(argc, argv) < 0)
+		exit(3);
 
 	Parser_init("lctl > ", cmdlist);
 
-        if (argc > 1) {
+	if (argc > 1) {
 		llapi_set_command_name(argv[1]);
-                rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
+		rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
 		llapi_clear_command_name();
-        } else {
-                rc = Parser_commands();
-        }
+	} else {
+		rc = Parser_commands();
+	}
 
-        obd_finalize(argc, argv);
-        return rc < 0 ? -rc : rc;
+	obd_finalize(argc, argv);
+	return rc < 0 ? -rc : rc;
 }
 
 static int lctl_list_commands(int argc, char **argv)