[infiniband] Add "ibstat" command

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

src/config/config_infiniband.c

@@ -37,3 +37,10 @@ PROVIDE_REQUIRING_SYMBOL();
 #ifdef SANBOOT_PROTO_IB_SRP
 REQUIRE_OBJECT ( ib_srp );
 #endif
+
+/*
+ * Drag in Infiniband-specific commands
+ */
+#ifdef IBMGMT_CMD
+REQUIRE_OBJECT ( ibmgmt_cmd );
+#endif

src/config/general.h

@@ -120,6 +120,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 #define	CONFIG_CMD		/* Option configuration console */
 #define	IFMGMT_CMD		/* Interface management commands */
 #define	IWMGMT_CMD		/* Wireless interface management commands */
+#define IBMGMT_CMD		/* Infiniband management commands */
 #define FCMGMT_CMD		/* Fibre Channel management commands */
 #define	ROUTE_CMD		/* Routing table management commands */
 #define IMAGE_CMD		/* Image management commands */

src/hci/commands/ibmgmt_cmd.c

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2016 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 <ipxe/command.h>
+#include <ipxe/parseopt.h>
+#include <ipxe/infiniband.h>
+#include <usr/ibmgmt.h>
+
+/** @file
+ *
+ * Infiniband device management commands
+ *
+ */
+
+/** "ibstat" options */
+struct ibstat_options {};
+
+/** "ibstat" option list */
+static struct option_descriptor ibstat_opts[] = {};
+
+/** "ibstat" command descriptor */
+static struct command_descriptor ibstat_cmd =
+	COMMAND_DESC ( struct ibstat_options, ibstat_opts, 0, 0, "" );
+
+/**
+ * The "ibstat" command
+ *
+ * @v argc		Argument count
+ * @v argv		Argument list
+ * @ret rc		Return status code
+ */
+static int ibstat_exec ( int argc, char **argv ) {
+	struct ibstat_options opts;
+	struct ib_device *ibdev;
+	int rc;
+
+	/* Parse options */
+	if ( ( rc = parse_options ( argc, argv, &ibstat_cmd, &opts ) ) != 0 )
+		return rc;
+
+	/* Show all Infiniband devices */
+	for_each_ibdev ( ibdev )
+		ibstat ( ibdev );
+
+	return 0;
+}
+
+/** Infiniband commands */
+struct command ibmgmt_commands[] __command = {
+	{
+		.name = "ibstat",
+		.exec = ibstat_exec,
+	},
+};

src/include/usr/ibmgmt.h

@@ -0,0 +1,16 @@
+#ifndef _USR_IBMGMT_H
+#define _USR_IBMGMT_H
+
+/** @file
+ *
+ * Infiniband device management
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+struct ib_device;
+
+extern void ibstat ( struct ib_device *ibdev );
+
+#endif /* _USR_IBMGMT_H */

src/usr/ibmgmt.c

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2016 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 <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <byteswap.h>
+#include <ipxe/infiniband.h>
+#include <usr/ibmgmt.h>
+
+/** @file
+ *
+ * Infiniband device management
+ *
+ */
+
+/**
+ * Print status of Infiniband device
+ *
+ * @v ibdev		Infiniband device
+ */
+void ibstat ( struct ib_device *ibdev ) {
+	struct ib_queue_pair *qp;
+
+	printf ( "%s: " IB_GUID_FMT " using %s on %s port %d (%s)\n",
+		 ibdev->name, IB_GUID_ARGS ( &ibdev->gid.s.guid ),
+		 ibdev->dev->driver_name, ibdev->dev->name, ibdev->port,
+		 ( ib_is_open ( ibdev ) ? "open" : "closed" ) );
+	if ( ib_link_ok ( ibdev ) ) {
+		printf ( "  [Link:up LID %d prefix " IB_GUID_FMT "]\n",
+			 ibdev->lid, IB_GUID_ARGS ( &ibdev->gid.s.prefix ) );
+	} else {
+		printf ( "  [Link:down, port state %d]\n", ibdev->port_state );
+	}
+	list_for_each_entry ( qp, &ibdev->qps, list ) {
+		printf ( "  QPN %#lx send %d/%d recv %d/%d %s\n",
+			 qp->qpn, qp->send.fill, qp->send.num_wqes,
+			 qp->recv.fill, qp->recv.num_wqes, qp->name );
+	}
+}