diff options
Diffstat (limited to 'roms/ipxe/src/hci/commands/fcmgmt_cmd.c')
| -rw-r--r-- | roms/ipxe/src/hci/commands/fcmgmt_cmd.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/roms/ipxe/src/hci/commands/fcmgmt_cmd.c b/roms/ipxe/src/hci/commands/fcmgmt_cmd.c new file mode 100644 index 000000000..97f10f4dd --- /dev/null +++ b/roms/ipxe/src/hci/commands/fcmgmt_cmd.c @@ -0,0 +1,219 @@ +/* + * Copyright (C) 2010 Michael Brown <mbrown@fensystems.co.uk>. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + * + * You can also choose to distribute this program under the terms of + * the Unmodified Binary Distribution Licence (as given in the file + * COPYING.UBDL), provided that you have satisfied its requirements. + */ + +FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); + +#include <stdio.h> +#include <errno.h> +#include <getopt.h> +#include <strings.h> +#include <ipxe/fc.h> +#include <ipxe/fcels.h> +#include <ipxe/command.h> +#include <ipxe/parseopt.h> +#include <ipxe/tables.h> +#include <usr/fcmgmt.h> + +/** @file + * + * Fibre Channel management commands + * + */ + +/** + * Parse Fibre Channel port name + * + * @v text Text + * @ret port Fibre Channel port + * @ret rc Return status code + */ +static int parse_fc_port ( char *text, struct fc_port **port ) { + + /* Sanity check */ + assert ( text != NULL ); + + /* Find Fibre Channel port */ + *port = fc_port_find ( text ); + if ( ! *port ) { + printf ( "\"%s\": no such port\n", text ); + return -ENODEV; + } + + return 0; +} + +/** + * Parse Fibre Channel port ID + * + * @v text Text + * @ret port_id Fibre Channel port ID + * @ret rc Return status code + */ +static int parse_fc_port_id ( char *text, struct fc_port_id *port_id ) { + int rc; + + /* Sanity check */ + assert ( text != NULL ); + + /* Parse port ID */ + if ( ( rc = fc_id_aton ( text, port_id ) ) != 0 ) { + printf ( "\"%s\": invalid port ID\n", text ); + return -EINVAL; + } + + return 0; +} + +/** + * Parse Fibre Channel ELS handler name + * + * @v text Text + * @ret handler Fibre Channel ELS handler + * @ret rc Return status code + */ +static int parse_fc_els_handler ( char *text, struct fc_els_handler **handler ){ + + for_each_table_entry ( (*handler), FC_ELS_HANDLERS ) { + if ( strcasecmp ( (*handler)->name, text ) == 0 ) + return 0; + } + + printf ( "\"%s\": unrecognised ELS\n", text ); + return -ENOENT; +} + +/** "fcstat" options */ +struct fcstat_options {}; + +/** "fcstat" option list */ +static struct option_descriptor fcstat_opts[] = {}; + +/** "fcstat" command descriptor */ +static struct command_descriptor fcstat_cmd = + COMMAND_DESC ( struct fcstat_options, fcstat_opts, 0, 0, NULL ); + +/** + * The "fcstat" command + * + * @v argc Argument count + * @v argv Argument list + * @ret rc Return status code + */ +static int fcstat_exec ( int argc, char **argv ) { + struct fcstat_options opts; + struct fc_port *port; + struct fc_peer *peer; + int rc; + + /* Parse options */ + if ( ( rc = parse_options ( argc, argv, &fcstat_cmd, &opts ) ) != 0 ) + return rc; + + list_for_each_entry ( port, &fc_ports, list ) + fcportstat ( port ); + list_for_each_entry ( peer, &fc_peers, list ) + fcpeerstat ( peer ); + + return 0; +} + +/** "fcels" options */ +struct fcels_options { + /** Fibre Channel port */ + struct fc_port *port; + /** Fibre Channel peer port ID */ + struct fc_port_id peer_port_id; +}; + +/** "fcels" option list */ +static struct option_descriptor fcels_opts[] = { + OPTION_DESC ( "port", 'p', required_argument, + struct fcels_options, port, parse_fc_port ), + OPTION_DESC ( "id", 'i', required_argument, + struct fcels_options, peer_port_id, parse_fc_port_id ), +}; + +/** "fcels" command descriptor */ +static struct command_descriptor fcels_cmd = + COMMAND_DESC ( struct fcels_options, fcels_opts, 1, 1, "<request>" ); + +/** + * The "fcels" command + * + * @v argc Argument count + * @v argv Argument list + * @ret rc Return status code + */ +static int fcels_exec ( int argc, char **argv ) { + struct fcels_options opts; + struct fc_els_handler *handler; + struct fc_port_id *id; + int rc; + + /* Parse options */ + if ( ( rc = parse_options ( argc, argv, &fcels_cmd, &opts ) ) != 0 ) + return rc; + + /* Parse ELS handler */ + if ( ( rc = parse_fc_els_handler ( argv[optind], &handler ) ) != 0 ) + return rc; + + /* Use first port if no port specified */ + if ( ! opts.port ) { + opts.port = list_first_entry ( &fc_ports, struct fc_port, + list ); + if ( ! opts.port ) { + printf ( "No ports\n" ); + return -ENODEV; + } + } + + /* Use link peer port ID if no peer port ID specified */ + id = &opts.peer_port_id; + if ( memcmp ( id, &fc_empty_port_id, sizeof ( *id ) ) == 0 ) { + if ( fc_link_ok ( &opts.port->link ) && + ! ( opts.port->flags & FC_PORT_HAS_FABRIC ) ) { + id = &opts.port->ptp_link_port_id; + } else { + id = &fc_f_port_id; + } + } + + /** Issue ELS */ + if ( ( rc = fcels ( opts.port, id, handler ) ) != 0 ) + return rc; + + return 0; +} + +/** Fibre Channel management commands */ +struct command fcmgmt_commands[] __command = { + { + .name = "fcstat", + .exec = fcstat_exec, + }, + { + .name = "fcels", + .exec = fcels_exec, + }, +}; |