[fc] Add Fibre Channel management commands

Signed-off-by: Michael Brown <mcb30@ipxe.org>

1 files changed, 117 insertions, 0 deletions

diff --git a/src/usr/fcmgmt.c b/src/usr/fcmgmt.c
new file mode 100644
index 00000000..5a4d8117
--- /dev/null
+++ b/src/usr/fcmgmt.c
@@ -0,0 +1,117 @@
+/*
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <ipxe/fc.h>
+#include <ipxe/fcels.h>
+#include <ipxe/monojob.h>
+#include <usr/fcmgmt.h>
+
+/** @file
+ *
+ * Fibre Channel management
+ *
+ */
+
+/**
+ * Print status of Fibre Channel port
+ *
+ * @v port		Fibre Channel port
+ */
+void fcportstat ( struct fc_port *port ) {
+	printf ( "%s: %s", port->name, fc_ntoa ( &port->node_wwn ) );
+	printf ( " port %s id %s\n  [Link:", fc_ntoa ( &port->port_wwn ),
+		 fc_id_ntoa ( &port->port_id ) );
+	if ( fc_link_ok ( &port->link ) ) {
+		printf ( " up, %s", fc_ntoa ( &port->link_node_wwn ) );
+		printf ( " port %s", fc_ntoa ( &port->link_port_wwn ) );
+		if ( ( port->flags & FC_PORT_HAS_FABRIC ) ) {
+			printf ( " fabric" );
+		} else {
+			printf ( " id %s",
+				 fc_id_ntoa ( &port->ptp_link_port_id ) );
+		}
+		printf ( "]\n" );
+	} else {
+		printf ( " down: %s]\n", strerror ( port->link.rc ) );
+	}
+}
+
+/**
+ * Print status of Fibre Channel peer
+ *
+ * @v peer		Fibre Channel peer
+ */
+void fcpeerstat ( struct fc_peer *peer ) {
+	struct fc_ulp *ulp;
+	uint8_t *param;
+	unsigned int i;
+
+	printf ( "%s:\n  [Link:", fc_ntoa ( &peer->node_wwn ) );
+	if ( fc_link_ok ( &peer->link ) ) {
+		printf ( " up, port %s id %s]\n", peer->port->name,
+			 fc_id_ntoa ( &peer->port_id ) );
+	} else {
+		printf ( " down: %s]\n", strerror ( peer->link.rc ) );
+	}
+
+	list_for_each_entry ( ulp, &peer->ulps, list ) {
+		printf ( "  [Type %02x usage %d link:",
+			 ulp->type, ulp->usage );
+		if ( fc_link_ok ( &ulp->link ) ) {
+			printf ( " up, params" );
+			param = ulp->param;
+			for ( i = 0 ; i < ulp->param_len ; i++ ) {
+				printf ( "%c%02x", ( ( i == 0 ) ? ' ' : ':' ),
+					 param[i] );
+			}
+		} else {
+			printf ( " down: %s", strerror ( ulp->link.rc ) );
+		}
+		printf ( "]\n" );
+	}
+}
+
+/**
+ * Issue Fibre Channel ELS
+ *
+ * @v port		Fibre Channel port
+ * @v peer_port_id	Peer port ID
+ * @v handler		ELS handler
+ * @ret rc		Return status code
+ */
+int fcels ( struct fc_port *port, struct fc_port_id *peer_port_id,
+	    struct fc_els_handler *handler ) {
+	int rc;
+
+	/* Initiate ELS */
+	printf ( "%s %s to %s...",
+		 port->name, handler->name, fc_id_ntoa ( peer_port_id ) );
+	if ( ( rc = fc_els_request ( &monojob, port, peer_port_id,
+				     handler ) ) != 0 ) {
+		printf ( "%s\n", strerror ( rc ) );
+		return rc;
+	}
+
+	/* Wait for ELS to complete */
+	return monojob_wait ( "" );
+}