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[infiniband] Add support for performing service record lookups

Signed-off-by: Michael Brown <mcb30@ipxe.org>
tags/v1.20.1
Michael Brown 8 years ago
parent
commit
ff13eeb747
3 changed files with 106 additions and 1 deletions
  1. 19
    1
      src/include/ipxe/ib_mad.h
  2. 20
    0
      src/include/ipxe/ib_service.h
  3. 67
    0
      src/net/infiniband/ib_service.c

+ 19
- 1
src/include/ipxe/ib_mad.h View File

@@ -219,8 +219,25 @@ struct ib_sa_hdr {
219 219
 	uint32_t comp_mask[2];
220 220
 } __attribute__ (( packed ));
221 221
 
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-#define IB_SA_ATTR_MC_MEMBER_REC		0x38
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+#define IB_SA_ATTR_SERVICE_REC			0x31
223 223
 #define IB_SA_ATTR_PATH_REC			0x35
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+#define IB_SA_ATTR_MC_MEMBER_REC		0x38
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+
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+struct ib_service_record {
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+	uint64_t id;
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+	union ib_gid gid;
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+	uint16_t pkey;
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+	uint16_t reserved;
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+	uint32_t lease;
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+	uint8_t key[16];
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+	char name[64];
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+	uint8_t data8[16];
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+	uint16_t data16[8];
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+	uint32_t data32[4];
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+	uint64_t data64[2];
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+} __attribute__ (( packed ));
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+
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+#define IB_SA_SERVICE_REC_NAME			(1<<6)
224 241
 
225 242
 struct ib_path_record {
226 243
 	uint32_t reserved0[2];
@@ -278,6 +295,7 @@ struct ib_mc_member_record {
278 295
 #define IB_SA_MCMEMBER_REC_PROXY_JOIN		(1<<17)
279 296
 
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 union ib_sa_data {
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+	struct ib_service_record service_record;
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 	struct ib_path_record path_record;
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 	struct ib_mc_member_record mc_member_record;
283 301
 } __attribute__ (( packed ));

+ 20
- 0
src/include/ipxe/ib_service.h View File

@@ -0,0 +1,20 @@
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+#ifndef _IPXE_IB_SERVICE_H
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+#define _IPXE_IB_SERVICE_H
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+
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+/** @file
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+ *
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+ * Infiniband service records
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+ *
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+ */
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+
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+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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+
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+#include <ipxe/infiniband.h>
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+#include <ipxe/ib_mi.h>
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+
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+extern struct ib_mad_transaction *
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+ib_create_service_madx ( struct ib_device *ibdev,
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+			 struct ib_mad_interface *mi, const char *name,
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+			 struct ib_mad_transaction_operations *op );
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+
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+#endif /* _IPXE_IB_SERVICE_H */

+ 67
- 0
src/net/infiniband/ib_service.c View File

@@ -0,0 +1,67 @@
1
+/*
2
+ * Copyright (C) 2016 Michael Brown <mbrown@fensystems.co.uk>.
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License as
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+ * published by the Free Software Foundation; either version 2 of the
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+ * License, or any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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+ * General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software
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+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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+ * 02110-1301, USA.
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+ *
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+ * You can also choose to distribute this program under the terms of
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+ * the Unmodified Binary Distribution Licence (as given in the file
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+ * COPYING.UBDL), provided that you have satisfied its requirements.
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+ */
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+
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+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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+
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+#include <string.h>
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+#include <stdio.h>
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+#include <byteswap.h>
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+#include <ipxe/infiniband.h>
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+#include <ipxe/ib_mi.h>
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+#include <ipxe/ib_service.h>
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+
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+/** @file
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+ *
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+ * Infiniband service records
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+ *
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+ */
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+
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+/**
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+ * Create service record management transaction
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+ *
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+ * @v ibdev		Infiniband device
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+ * @v mi		Management interface
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+ * @v name		Service name
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+ * @v op		Management transaction operations
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+ * @ret madx		Management transaction, or NULL on error
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+ */
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+struct ib_mad_transaction *
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+ib_create_service_madx ( struct ib_device *ibdev,
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+			 struct ib_mad_interface *mi, const char *name,
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+			 struct ib_mad_transaction_operations *op ) {
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+	union ib_mad mad;
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+	struct ib_mad_sa *sa = &mad.sa;
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+	struct ib_service_record *svc = &sa->sa_data.service_record;
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+
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+	/* Construct service record request */
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+	memset ( sa, 0, sizeof ( *sa ) );
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+	sa->mad_hdr.mgmt_class = IB_MGMT_CLASS_SUBN_ADM;
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+	sa->mad_hdr.class_version = IB_SA_CLASS_VERSION;
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+	sa->mad_hdr.method = IB_MGMT_METHOD_GET;
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+	sa->mad_hdr.attr_id = htons ( IB_SA_ATTR_SERVICE_REC );
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+	sa->sa_hdr.comp_mask[1] = htonl ( IB_SA_SERVICE_REC_NAME );
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+	snprintf ( svc->name, sizeof ( svc->name ), "%s", name );
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+
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+	/* Create management transaction */
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+	return ib_create_madx ( ibdev, mi, &mad, NULL, op );
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+}

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