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author | Michael Brown | 2016-03-01 10:41:11 +0100 |
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committer | Michael Brown | 2016-03-08 13:08:58 +0100 |
commit | ff13eeb74711f1b775baf61d5836a322dffdf82c (patch) | |
tree | cd2710dd9dde6cda0bb63b9ec525a151add9b3c5 /src/net/infiniband | |
parent | [infiniband] Avoid multiple calls to ib_cmrc_shutdown() (diff) | |
download | ipxe-ff13eeb74711f1b775baf61d5836a322dffdf82c.tar.gz ipxe-ff13eeb74711f1b775baf61d5836a322dffdf82c.tar.xz ipxe-ff13eeb74711f1b775baf61d5836a322dffdf82c.zip |
[infiniband] Add support for performing service record lookups
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/net/infiniband')
-rw-r--r-- | src/net/infiniband/ib_service.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/net/infiniband/ib_service.c b/src/net/infiniband/ib_service.c new file mode 100644 index 00000000..f035382e --- /dev/null +++ b/src/net/infiniband/ib_service.c @@ -0,0 +1,67 @@ +/* + * 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 <byteswap.h> +#include <ipxe/infiniband.h> +#include <ipxe/ib_mi.h> +#include <ipxe/ib_service.h> + +/** @file + * + * Infiniband service records + * + */ + +/** + * Create service record management transaction + * + * @v ibdev Infiniband device + * @v mi Management interface + * @v name Service name + * @v op Management transaction operations + * @ret madx Management transaction, or NULL on error + */ +struct ib_mad_transaction * +ib_create_service_madx ( struct ib_device *ibdev, + struct ib_mad_interface *mi, const char *name, + struct ib_mad_transaction_operations *op ) { + union ib_mad mad; + struct ib_mad_sa *sa = &mad.sa; + struct ib_service_record *svc = &sa->sa_data.service_record; + + /* Construct service record request */ + memset ( sa, 0, sizeof ( *sa ) ); + sa->mad_hdr.mgmt_class = IB_MGMT_CLASS_SUBN_ADM; + sa->mad_hdr.class_version = IB_SA_CLASS_VERSION; + sa->mad_hdr.method = IB_MGMT_METHOD_GET; + sa->mad_hdr.attr_id = htons ( IB_SA_ATTR_SERVICE_REC ); + sa->sa_hdr.comp_mask[1] = htonl ( IB_SA_SERVICE_REC_NAME ); + snprintf ( svc->name, sizeof ( svc->name ), "%s", name ); + + /* Create management transaction */ + return ib_create_madx ( ibdev, mi, &mad, NULL, op ); +} |