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Annotation of qemu/roms/ipxe/src/usr/fcmgmt.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (C) 2010 Michael Brown <[email protected]>.
        !             3:  *
        !             4:  * This program is free software; you can redistribute it and/or
        !             5:  * modify it under the terms of the GNU General Public License as
        !             6:  * published by the Free Software Foundation; either version 2 of the
        !             7:  * License, or any later version.
        !             8:  *
        !             9:  * This program is distributed in the hope that it will be useful, but
        !            10:  * WITHOUT ANY WARRANTY; without even the implied warranty of
        !            11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
        !            12:  * General Public License for more details.
        !            13:  *
        !            14:  * You should have received a copy of the GNU General Public License
        !            15:  * along with this program; if not, write to the Free Software
        !            16:  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
        !            17:  */
        !            18: 
        !            19: FILE_LICENCE ( GPL2_OR_LATER );
        !            20: 
        !            21: #include <string.h>
        !            22: #include <stdio.h>
        !            23: #include <errno.h>
        !            24: #include <ipxe/fc.h>
        !            25: #include <ipxe/fcels.h>
        !            26: #include <ipxe/monojob.h>
        !            27: #include <usr/fcmgmt.h>
        !            28: 
        !            29: /** @file
        !            30:  *
        !            31:  * Fibre Channel management
        !            32:  *
        !            33:  */
        !            34: 
        !            35: /**
        !            36:  * Print status of Fibre Channel port
        !            37:  *
        !            38:  * @v port             Fibre Channel port
        !            39:  */
        !            40: void fcportstat ( struct fc_port *port ) {
        !            41:        printf ( "%s: %s id %s", port->name, fc_ntoa ( &port->port_wwn ),
        !            42:                 fc_id_ntoa ( &port->port_id ) );
        !            43:        printf ( " node %s\n  [Link:", fc_ntoa ( &port->node_wwn ) );
        !            44:        if ( fc_link_ok ( &port->link ) ) {
        !            45:                printf ( " up, %s", fc_ntoa ( &port->link_port_wwn ) );
        !            46:                if ( ( port->flags & FC_PORT_HAS_FABRIC ) ) {
        !            47:                        printf ( " fabric" );
        !            48:                } else {
        !            49:                        printf ( " id %s",
        !            50:                                 fc_id_ntoa ( &port->ptp_link_port_id ) );
        !            51:                }
        !            52:                printf ( " node %s]\n", fc_ntoa ( &port->link_node_wwn ) );
        !            53:        } else {
        !            54:                printf ( " down: %s]\n", strerror ( port->link.rc ) );
        !            55:        }
        !            56: }
        !            57: 
        !            58: /**
        !            59:  * Print status of Fibre Channel peer
        !            60:  *
        !            61:  * @v peer             Fibre Channel peer
        !            62:  */
        !            63: void fcpeerstat ( struct fc_peer *peer ) {
        !            64:        struct fc_ulp *ulp;
        !            65:        uint8_t *param;
        !            66:        unsigned int i;
        !            67: 
        !            68:        printf ( "%s:\n  [Link:", fc_ntoa ( &peer->port_wwn ) );
        !            69:        if ( fc_link_ok ( &peer->link ) ) {
        !            70:                printf ( " up, port %s id %s]\n", peer->port->name,
        !            71:                         fc_id_ntoa ( &peer->port_id ) );
        !            72:        } else {
        !            73:                printf ( " down: %s]\n", strerror ( peer->link.rc ) );
        !            74:        }
        !            75: 
        !            76:        list_for_each_entry ( ulp, &peer->ulps, list ) {
        !            77:                printf ( "  [Type %02x usage %d link:",
        !            78:                         ulp->type, ulp->usage );
        !            79:                if ( fc_link_ok ( &ulp->link ) ) {
        !            80:                        printf ( " up, params" );
        !            81:                        param = ulp->param;
        !            82:                        for ( i = 0 ; i < ulp->param_len ; i++ ) {
        !            83:                                printf ( "%c%02x", ( ( i == 0 ) ? ' ' : ':' ),
        !            84:                                         param[i] );
        !            85:                        }
        !            86:                } else {
        !            87:                        printf ( " down: %s", strerror ( ulp->link.rc ) );
        !            88:                }
        !            89:                printf ( "]\n" );
        !            90:        }
        !            91: }
        !            92: 
        !            93: /**
        !            94:  * Issue Fibre Channel ELS
        !            95:  *
        !            96:  * @v port             Fibre Channel port
        !            97:  * @v peer_port_id     Peer port ID
        !            98:  * @v handler          ELS handler
        !            99:  * @ret rc             Return status code
        !           100:  */
        !           101: int fcels ( struct fc_port *port, struct fc_port_id *peer_port_id,
        !           102:            struct fc_els_handler *handler ) {
        !           103:        int rc;
        !           104: 
        !           105:        /* Initiate ELS */
        !           106:        printf ( "%s %s to %s...",
        !           107:                 port->name, handler->name, fc_id_ntoa ( peer_port_id ) );
        !           108:        if ( ( rc = fc_els_request ( &monojob, port, peer_port_id,
        !           109:                                     handler ) ) != 0 ) {
        !           110:                printf ( "%s\n", strerror ( rc ) );
        !           111:                return rc;
        !           112:        }
        !           113: 
        !           114:        /* Wait for ELS to complete */
        !           115:        return monojob_wait ( "" );
        !           116: }

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