include/rdma/ib_sa.h - arm/linux - Git at Google


            
            /*

            
             * Copyright (c) 2004 Topspin Communications.  All rights reserved.

            
             * Copyright (c) 2005 Voltaire, Inc.  All rights reserved.

            
             * Copyright (c) 2006 Intel Corporation.  All rights reserved.

            
             *

            
             * This software is available to you under a choice of one of two

            
             * licenses.  You may choose to be licensed under the terms of the GNU

            
             * General Public License (GPL) Version 2, available from the file

            
             * COPYING in the main directory of this source tree, or the

            
             * OpenIB.org BSD license below:

            
             *

            
             *     Redistribution and use in source and binary forms, with or

            
             *     without modification, are permitted provided that the following

            
             *     conditions are met:

            
             *

            
             *      - Redistributions of source code must retain the above

            
             *        copyright notice, this list of conditions and the following

            
             *        disclaimer.

            
             *

            
             *      - Redistributions in binary form must reproduce the above

            
             *        copyright notice, this list of conditions and the following

            
             *        disclaimer in the documentation and/or other materials

            
             *        provided with the distribution.

            
             *

            
             * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

            
             * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

            
             * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

            
             * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

            
             * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

            
             * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

            
             * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

            
             * SOFTWARE.

            
             *

            
             * $Id: ib_sa.h 2811 2005-07-06 18:11:43Z halr $

            
             */


            #ifndef IB_SA_H

            
            #define IB_SA_H


            #include <linux/completion.h>

            
            #include <linux/compiler.h>


            #include <asm/atomic.h>


            #include <rdma/ib_verbs.h>

            
            #include <rdma/ib_mad.h>


            enum {

            
            	IB_SA_CLASS_VERSION		= 2,	/* IB spec version 1.1/1.2 */


            	IB_SA_METHOD_GET_TABLE		= 0x12,

            
            	IB_SA_METHOD_GET_TABLE_RESP	= 0x92,

            
            	IB_SA_METHOD_DELETE		= 0x15,

            
            	IB_SA_METHOD_DELETE_RESP	= 0x95,

            
            	IB_SA_METHOD_GET_MULTI		= 0x14,

            
            	IB_SA_METHOD_GET_MULTI_RESP	= 0x94,

            
            	IB_SA_METHOD_GET_TRACE_TBL	= 0x13

            
            };


            enum {

            
            	IB_SA_ATTR_CLASS_PORTINFO    = 0x01,

            
            	IB_SA_ATTR_NOTICE	     = 0x02,

            
            	IB_SA_ATTR_INFORM_INFO	     = 0x03,

            
            	IB_SA_ATTR_NODE_REC	     = 0x11,

            
            	IB_SA_ATTR_PORT_INFO_REC     = 0x12,

            
            	IB_SA_ATTR_SL2VL_REC	     = 0x13,

            
            	IB_SA_ATTR_SWITCH_REC	     = 0x14,

            
            	IB_SA_ATTR_LINEAR_FDB_REC    = 0x15,

            
            	IB_SA_ATTR_RANDOM_FDB_REC    = 0x16,

            
            	IB_SA_ATTR_MCAST_FDB_REC     = 0x17,

            
            	IB_SA_ATTR_SM_INFO_REC	     = 0x18,

            
            	IB_SA_ATTR_LINK_REC	     = 0x20,

            
            	IB_SA_ATTR_GUID_INFO_REC     = 0x30,

            
            	IB_SA_ATTR_SERVICE_REC	     = 0x31,

            
            	IB_SA_ATTR_PARTITION_REC     = 0x33,

            
            	IB_SA_ATTR_PATH_REC	     = 0x35,

            
            	IB_SA_ATTR_VL_ARB_REC	     = 0x36,

            
            	IB_SA_ATTR_MC_MEMBER_REC     = 0x38,

            
            	IB_SA_ATTR_TRACE_REC	     = 0x39,

            
            	IB_SA_ATTR_MULTI_PATH_REC    = 0x3a,

            
            	IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b,

            
            	IB_SA_ATTR_INFORM_INFO_REC   = 0xf3

            
            };


            enum ib_sa_selector {

            
            	IB_SA_GT   = 0,

            
            	IB_SA_LT   = 1,

            
            	IB_SA_EQ   = 2,

            
            	/*

            
            	 * The meaning of "best" depends on the attribute: for

            
            	 * example, for MTU best will return the largest available

            
            	 * MTU, while for packet life time, best will return the

            
            	 * smallest available life time.

            
            	 */

            
            	IB_SA_BEST = 3

            
            };


            /*

            
             * Structures for SA records are named "struct ib_sa_xxx_rec."  No

            
             * attempt is made to pack structures to match the physical layout of

            
             * SA records in SA MADs; all packing and unpacking is handled by the

            
             * SA query code.

            
             *

            
             * For a record with structure ib_sa_xxx_rec, the naming convention

            
             * for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we

            
             * never use different abbreviations or otherwise change the spelling

            
             * of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).

            
             *

            
             * Reserved rows are indicated with comments to help maintainability.

            
             */


            /* reserved:								 0 */

            
            /* reserved:								 1 */

            
            #define IB_SA_PATH_REC_DGID				IB_SA_COMP_MASK( 2)

            
            #define IB_SA_PATH_REC_SGID				IB_SA_COMP_MASK( 3)

            
            #define IB_SA_PATH_REC_DLID				IB_SA_COMP_MASK( 4)

            
            #define IB_SA_PATH_REC_SLID				IB_SA_COMP_MASK( 5)

            
            #define IB_SA_PATH_REC_RAW_TRAFFIC			IB_SA_COMP_MASK( 6)

            
            /* reserved:								 7 */

            
            #define IB_SA_PATH_REC_FLOW_LABEL       		IB_SA_COMP_MASK( 8)

            
            #define IB_SA_PATH_REC_HOP_LIMIT			IB_SA_COMP_MASK( 9)

            
            #define IB_SA_PATH_REC_TRAFFIC_CLASS			IB_SA_COMP_MASK(10)

            
            #define IB_SA_PATH_REC_REVERSIBLE			IB_SA_COMP_MASK(11)

            
            #define IB_SA_PATH_REC_NUMB_PATH			IB_SA_COMP_MASK(12)

            
            #define IB_SA_PATH_REC_PKEY				IB_SA_COMP_MASK(13)

            
            /* reserved:								14 */

            
            #define IB_SA_PATH_REC_SL				IB_SA_COMP_MASK(15)

            
            #define IB_SA_PATH_REC_MTU_SELECTOR			IB_SA_COMP_MASK(16)

            
            #define IB_SA_PATH_REC_MTU				IB_SA_COMP_MASK(17)

            
            #define IB_SA_PATH_REC_RATE_SELECTOR			IB_SA_COMP_MASK(18)

            
            #define IB_SA_PATH_REC_RATE				IB_SA_COMP_MASK(19)

            
            #define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR	IB_SA_COMP_MASK(20)

            
            #define IB_SA_PATH_REC_PACKET_LIFE_TIME			IB_SA_COMP_MASK(21)

            
            #define IB_SA_PATH_REC_PREFERENCE			IB_SA_COMP_MASK(22)


            struct ib_sa_path_rec {

            
            	/* reserved */

            
            	/* reserved */

            
            	union ib_gid dgid;

            
            	union ib_gid sgid;

            
            	__be16       dlid;

            
            	__be16       slid;

            
            	int          raw_traffic;

            
            	/* reserved */

            
            	__be32       flow_label;

            
            	u8           hop_limit;

            
            	u8           traffic_class;

            
            	int          reversible;

            
            	u8           numb_path;

            
            	__be16       pkey;

            
            	/* reserved */

            
            	u8           sl;

            
            	u8           mtu_selector;

            
            	u8           mtu;

            
            	u8           rate_selector;

            
            	u8           rate;

            
            	u8           packet_life_time_selector;

            
            	u8           packet_life_time;

            
            	u8           preference;

            
            };


            #define IB_SA_MCMEMBER_REC_MGID				IB_SA_COMP_MASK( 0)

            
            #define IB_SA_MCMEMBER_REC_PORT_GID			IB_SA_COMP_MASK( 1)

            
            #define IB_SA_MCMEMBER_REC_QKEY				IB_SA_COMP_MASK( 2)

            
            #define IB_SA_MCMEMBER_REC_MLID				IB_SA_COMP_MASK( 3)

            
            #define IB_SA_MCMEMBER_REC_MTU_SELECTOR			IB_SA_COMP_MASK( 4)

            
            #define IB_SA_MCMEMBER_REC_MTU				IB_SA_COMP_MASK( 5)

            
            #define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS		IB_SA_COMP_MASK( 6)

            
            #define IB_SA_MCMEMBER_REC_PKEY				IB_SA_COMP_MASK( 7)

            
            #define IB_SA_MCMEMBER_REC_RATE_SELECTOR		IB_SA_COMP_MASK( 8)

            
            #define IB_SA_MCMEMBER_REC_RATE				IB_SA_COMP_MASK( 9)

            
            #define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR	IB_SA_COMP_MASK(10)

            
            #define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME		IB_SA_COMP_MASK(11)

            
            #define IB_SA_MCMEMBER_REC_SL				IB_SA_COMP_MASK(12)

            
            #define IB_SA_MCMEMBER_REC_FLOW_LABEL			IB_SA_COMP_MASK(13)

            
            #define IB_SA_MCMEMBER_REC_HOP_LIMIT			IB_SA_COMP_MASK(14)

            
            #define IB_SA_MCMEMBER_REC_SCOPE			IB_SA_COMP_MASK(15)

            
            #define IB_SA_MCMEMBER_REC_JOIN_STATE			IB_SA_COMP_MASK(16)

            
            #define IB_SA_MCMEMBER_REC_PROXY_JOIN			IB_SA_COMP_MASK(17)


            struct ib_sa_mcmember_rec {

            
            	union ib_gid mgid;

            
            	union ib_gid port_gid;

            
            	__be32       qkey;

            
            	__be16       mlid;

            
            	u8           mtu_selector;

            
            	u8           mtu;

            
            	u8           traffic_class;

            
            	__be16       pkey;

            
            	u8 	     rate_selector;

            
            	u8 	     rate;

            
            	u8 	     packet_life_time_selector;

            
            	u8 	     packet_life_time;

            
            	u8           sl;

            
            	__be32       flow_label;

            
            	u8           hop_limit;

            
            	u8           scope;

            
            	u8           join_state;

            
            	int          proxy_join;

            
            };


            /* Service Record Component Mask Sec 15.2.5.14 Ver 1.1	*/

            
            #define IB_SA_SERVICE_REC_SERVICE_ID			IB_SA_COMP_MASK( 0)

            
            #define IB_SA_SERVICE_REC_SERVICE_GID			IB_SA_COMP_MASK( 1)

            
            #define IB_SA_SERVICE_REC_SERVICE_PKEY			IB_SA_COMP_MASK( 2)

            
            /* reserved:								 3 */

            
            #define IB_SA_SERVICE_REC_SERVICE_LEASE			IB_SA_COMP_MASK( 4)

            
            #define IB_SA_SERVICE_REC_SERVICE_KEY			IB_SA_COMP_MASK( 5)

            
            #define IB_SA_SERVICE_REC_SERVICE_NAME			IB_SA_COMP_MASK( 6)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_0		IB_SA_COMP_MASK( 7)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_1		IB_SA_COMP_MASK( 8)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_2		IB_SA_COMP_MASK( 9)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_3		IB_SA_COMP_MASK(10)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_4		IB_SA_COMP_MASK(11)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_5		IB_SA_COMP_MASK(12)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_6		IB_SA_COMP_MASK(13)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_7		IB_SA_COMP_MASK(14)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_8		IB_SA_COMP_MASK(15)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_9		IB_SA_COMP_MASK(16)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_10		IB_SA_COMP_MASK(17)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_11		IB_SA_COMP_MASK(18)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_12		IB_SA_COMP_MASK(19)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_13		IB_SA_COMP_MASK(20)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_14		IB_SA_COMP_MASK(21)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA8_15		IB_SA_COMP_MASK(22)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA16_0		IB_SA_COMP_MASK(23)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA16_1		IB_SA_COMP_MASK(24)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA16_2		IB_SA_COMP_MASK(25)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA16_3		IB_SA_COMP_MASK(26)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA16_4		IB_SA_COMP_MASK(27)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA16_5		IB_SA_COMP_MASK(28)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA16_6		IB_SA_COMP_MASK(29)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA16_7		IB_SA_COMP_MASK(30)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA32_0		IB_SA_COMP_MASK(31)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA32_1		IB_SA_COMP_MASK(32)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA32_2		IB_SA_COMP_MASK(33)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA32_3		IB_SA_COMP_MASK(34)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA64_0		IB_SA_COMP_MASK(35)

            
            #define IB_SA_SERVICE_REC_SERVICE_DATA64_1		IB_SA_COMP_MASK(36)


            #define IB_DEFAULT_SERVICE_LEASE 	0xFFFFFFFF


            struct ib_sa_service_rec {

            
            	u64		id;

            
            	union ib_gid	gid;

            
            	__be16 		pkey;

            
            	/* reserved */

            
            	u32		lease;

            
            	u8		key[16];

            
            	u8		name[64];

            
            	u8		data8[16];

            
            	u16		data16[8];

            
            	u32		data32[4];

            
            	u64		data64[2];

            
            };


            struct ib_sa_client {

            
            	atomic_t users;

            
            	struct completion comp;

            
            };


            /**

            
             * ib_sa_register_client - Register an SA client.

            
             */

            
            void ib_sa_register_client(struct ib_sa_client *client);


            /**

            
             * ib_sa_unregister_client - Deregister an SA client.

            
             * @client: Client object to deregister.

            
             */

            
            void ib_sa_unregister_client(struct ib_sa_client *client);


            struct ib_sa_query;


            void ib_sa_cancel_query(int id, struct ib_sa_query *query);


            int ib_sa_path_rec_get(struct ib_sa_client *client,

            
            		       struct ib_device *device, u8 port_num,

            
            		       struct ib_sa_path_rec *rec,

            
            		       ib_sa_comp_mask comp_mask,

            
            		       int timeout_ms, gfp_t gfp_mask,

            
            		       void (*callback)(int status,

            
            					struct ib_sa_path_rec *resp,

            
            					void *context),

            
            		       void *context,

            
            		       struct ib_sa_query **query);


            int ib_sa_mcmember_rec_query(struct ib_sa_client *client,

            
            			     struct ib_device *device, u8 port_num,

            
            			     u8 method,

            
            			     struct ib_sa_mcmember_rec *rec,

            
            			     ib_sa_comp_mask comp_mask,

            
            			     int timeout_ms, gfp_t gfp_mask,

            
            			     void (*callback)(int status,

            
            					      struct ib_sa_mcmember_rec *resp,

            
            					      void *context),

            
            			     void *context,

            
            			     struct ib_sa_query **query);


            int ib_sa_service_rec_query(struct ib_sa_client *client,

            
            			 struct ib_device *device, u8 port_num,

            
            			 u8 method,

            
            			 struct ib_sa_service_rec *rec,

            
            			 ib_sa_comp_mask comp_mask,

            
            			 int timeout_ms, gfp_t gfp_mask,

            
            			 void (*callback)(int status,

            
            					  struct ib_sa_service_rec *resp,

            
            					  void *context),

            
            			 void *context,

            
            			 struct ib_sa_query **sa_query);


            /**

            
             * ib_sa_mcmember_rec_set - Start an MCMember set query

            
             * @client:SA client

            
             * @device:device to send query on

            
             * @port_num: port number to send query on

            
             * @rec:MCMember Record to send in query

            
             * @comp_mask:component mask to send in query

            
             * @timeout_ms:time to wait for response

            
             * @gfp_mask:GFP mask to use for internal allocations

            
             * @callback:function called when query completes, times out or is

            
             * canceled

            
             * @context:opaque user context passed to callback

            
             * @sa_query:query context, used to cancel query

            
             *

            
             * Send an MCMember Set query to the SA (eg to join a multicast

            
             * group).  The callback function will be called when the query

            
             * completes (or fails); status is 0 for a successful response, -EINTR

            
             * if the query is canceled, -ETIMEDOUT is the query timed out, or

            
             * -EIO if an error occurred sending the query.  The resp parameter of

            
             * the callback is only valid if status is 0.

            
             *

            
             * If the return value of ib_sa_mcmember_rec_set() is negative, it is

            
             * an error code.  Otherwise it is a query ID that can be used to

            
             * cancel the query.

            
             */

            
            static inline int

            
            ib_sa_mcmember_rec_set(struct ib_sa_client *client,

            
            		       struct ib_device *device, u8 port_num,

            
            		       struct ib_sa_mcmember_rec *rec,

            
            		       ib_sa_comp_mask comp_mask,

            
            		       int timeout_ms, gfp_t gfp_mask,

            
            		       void (*callback)(int status,

            
            					struct ib_sa_mcmember_rec *resp,

            
            					void *context),

            
            		       void *context,

            
            		       struct ib_sa_query **query)

            
            {

            
            	return ib_sa_mcmember_rec_query(client, device, port_num,

            
            					IB_MGMT_METHOD_SET,

            
            					rec, comp_mask,

            
            					timeout_ms, gfp_mask, callback,

            
            					context, query);

            
            }


            /**

            
             * ib_sa_mcmember_rec_delete - Start an MCMember delete query

            
             * @client:SA client

            
             * @device:device to send query on

            
             * @port_num: port number to send query on

            
             * @rec:MCMember Record to send in query

            
             * @comp_mask:component mask to send in query

            
             * @timeout_ms:time to wait for response

            
             * @gfp_mask:GFP mask to use for internal allocations

            
             * @callback:function called when query completes, times out or is

            
             * canceled

            
             * @context:opaque user context passed to callback

            
             * @sa_query:query context, used to cancel query

            
             *

            
             * Send an MCMember Delete query to the SA (eg to leave a multicast

            
             * group).  The callback function will be called when the query

            
             * completes (or fails); status is 0 for a successful response, -EINTR

            
             * if the query is canceled, -ETIMEDOUT is the query timed out, or

            
             * -EIO if an error occurred sending the query.  The resp parameter of

            
             * the callback is only valid if status is 0.

            
             *

            
             * If the return value of ib_sa_mcmember_rec_delete() is negative, it

            
             * is an error code.  Otherwise it is a query ID that can be used to

            
             * cancel the query.

            
             */

            
            static inline int

            
            ib_sa_mcmember_rec_delete(struct ib_sa_client *client,

            
            			  struct ib_device *device, u8 port_num,

            
            			  struct ib_sa_mcmember_rec *rec,

            
            			  ib_sa_comp_mask comp_mask,

            
            			  int timeout_ms, gfp_t gfp_mask,

            
            			  void (*callback)(int status,

            
            					   struct ib_sa_mcmember_rec *resp,

            
            					   void *context),

            
            			  void *context,

            
            			  struct ib_sa_query **query)

            
            {

            
            	return ib_sa_mcmember_rec_query(client, device, port_num,

            
            					IB_SA_METHOD_DELETE,

            
            					rec, comp_mask,

            
            					timeout_ms, gfp_mask, callback,

            
            					context, query);

            
            }


            /**

            
             * ib_init_ah_from_path - Initialize address handle attributes based on an SA

            
             *   path record.

            
             */

            
            int ib_init_ah_from_path(struct ib_device *device, u8 port_num,

            
            			 struct ib_sa_path_rec *rec,

            
            			 struct ib_ah_attr *ah_attr);


            #endif /* IB_SA_H */
	/*
	* Copyright (c) 2004 Topspin Communications. All rights reserved.
	* Copyright (c) 2005 Voltaire, Inc. All rights reserved.
	* Copyright (c) 2006 Intel Corporation. All rights reserved.
	*
	* This software is available to you under a choice of one of two
	* licenses. You may choose to be licensed under the terms of the GNU
	* General Public License (GPL) Version 2, available from the file
	* COPYING in the main directory of this source tree, or the
	* OpenIB.org BSD license below:
	*
	* Redistribution and use in source and binary forms, with or
	* without modification, are permitted provided that the following
	* conditions are met:
	*
	* - Redistributions of source code must retain the above
	* copyright notice, this list of conditions and the following
	* disclaimer.
	*
	* - Redistributions in binary form must reproduce the above
	* copyright notice, this list of conditions and the following
	* disclaimer in the documentation and/or other materials
	* provided with the distribution.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	* SOFTWARE.
	*
	* $Id: ib_sa.h 2811 2005-07-06 18:11:43Z halr $
	*/

	#ifndef IB_SA_H
	#define IB_SA_H

	#include <linux/completion.h>
	#include <linux/compiler.h>

	#include <asm/atomic.h>

	#include <rdma/ib_verbs.h>
	#include <rdma/ib_mad.h>

	enum {
	IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */

	IB_SA_METHOD_GET_TABLE = 0x12,
	IB_SA_METHOD_GET_TABLE_RESP = 0x92,
	IB_SA_METHOD_DELETE = 0x15,
	IB_SA_METHOD_DELETE_RESP = 0x95,
	IB_SA_METHOD_GET_MULTI = 0x14,
	IB_SA_METHOD_GET_MULTI_RESP = 0x94,
	IB_SA_METHOD_GET_TRACE_TBL = 0x13
	};

	enum {
	IB_SA_ATTR_CLASS_PORTINFO = 0x01,
	IB_SA_ATTR_NOTICE = 0x02,
	IB_SA_ATTR_INFORM_INFO = 0x03,
	IB_SA_ATTR_NODE_REC = 0x11,
	IB_SA_ATTR_PORT_INFO_REC = 0x12,
	IB_SA_ATTR_SL2VL_REC = 0x13,
	IB_SA_ATTR_SWITCH_REC = 0x14,
	IB_SA_ATTR_LINEAR_FDB_REC = 0x15,
	IB_SA_ATTR_RANDOM_FDB_REC = 0x16,
	IB_SA_ATTR_MCAST_FDB_REC = 0x17,
	IB_SA_ATTR_SM_INFO_REC = 0x18,
	IB_SA_ATTR_LINK_REC = 0x20,
	IB_SA_ATTR_GUID_INFO_REC = 0x30,
	IB_SA_ATTR_SERVICE_REC = 0x31,
	IB_SA_ATTR_PARTITION_REC = 0x33,
	IB_SA_ATTR_PATH_REC = 0x35,
	IB_SA_ATTR_VL_ARB_REC = 0x36,
	IB_SA_ATTR_MC_MEMBER_REC = 0x38,
	IB_SA_ATTR_TRACE_REC = 0x39,
	IB_SA_ATTR_MULTI_PATH_REC = 0x3a,
	IB_SA_ATTR_SERVICE_ASSOC_REC = 0x3b,
	IB_SA_ATTR_INFORM_INFO_REC = 0xf3
	};

	enum ib_sa_selector {
	IB_SA_GT = 0,
	IB_SA_LT = 1,
	IB_SA_EQ = 2,
	/*
	* The meaning of "best" depends on the attribute: for
	* example, for MTU best will return the largest available
	* MTU, while for packet life time, best will return the
	* smallest available life time.
	*/
	IB_SA_BEST = 3
	};

	/*
	* Structures for SA records are named "struct ib_sa_xxx_rec." No
	* attempt is made to pack structures to match the physical layout of
	* SA records in SA MADs; all packing and unpacking is handled by the
	* SA query code.
	*
	* For a record with structure ib_sa_xxx_rec, the naming convention
	* for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we
	* never use different abbreviations or otherwise change the spelling
	* of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).
	*
	* Reserved rows are indicated with comments to help maintainability.
	*/

	/* reserved: 0 */
	/* reserved: 1 */
	#define IB_SA_PATH_REC_DGID IB_SA_COMP_MASK( 2)
	#define IB_SA_PATH_REC_SGID IB_SA_COMP_MASK( 3)
	#define IB_SA_PATH_REC_DLID IB_SA_COMP_MASK( 4)
	#define IB_SA_PATH_REC_SLID IB_SA_COMP_MASK( 5)
	#define IB_SA_PATH_REC_RAW_TRAFFIC IB_SA_COMP_MASK( 6)
	/* reserved: 7 */
	#define IB_SA_PATH_REC_FLOW_LABEL IB_SA_COMP_MASK( 8)
	#define IB_SA_PATH_REC_HOP_LIMIT IB_SA_COMP_MASK( 9)
	#define IB_SA_PATH_REC_TRAFFIC_CLASS IB_SA_COMP_MASK(10)
	#define IB_SA_PATH_REC_REVERSIBLE IB_SA_COMP_MASK(11)
	#define IB_SA_PATH_REC_NUMB_PATH IB_SA_COMP_MASK(12)
	#define IB_SA_PATH_REC_PKEY IB_SA_COMP_MASK(13)
	/* reserved: 14 */
	#define IB_SA_PATH_REC_SL IB_SA_COMP_MASK(15)
	#define IB_SA_PATH_REC_MTU_SELECTOR IB_SA_COMP_MASK(16)
	#define IB_SA_PATH_REC_MTU IB_SA_COMP_MASK(17)
	#define IB_SA_PATH_REC_RATE_SELECTOR IB_SA_COMP_MASK(18)
	#define IB_SA_PATH_REC_RATE IB_SA_COMP_MASK(19)
	#define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(20)
	#define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21)
	#define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22)

	struct ib_sa_path_rec {
	/* reserved */
	/* reserved */
	union ib_gid dgid;
	union ib_gid sgid;
	__be16 dlid;
	__be16 slid;
	int raw_traffic;
	/* reserved */
	__be32 flow_label;
	u8 hop_limit;
	u8 traffic_class;
	int reversible;
	u8 numb_path;
	__be16 pkey;
	/* reserved */
	u8 sl;
	u8 mtu_selector;
	u8 mtu;
	u8 rate_selector;
	u8 rate;
	u8 packet_life_time_selector;
	u8 packet_life_time;
	u8 preference;
	};

	#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)
	#define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1)
	#define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2)
	#define IB_SA_MCMEMBER_REC_MLID IB_SA_COMP_MASK( 3)
	#define IB_SA_MCMEMBER_REC_MTU_SELECTOR IB_SA_COMP_MASK( 4)
	#define IB_SA_MCMEMBER_REC_MTU IB_SA_COMP_MASK( 5)
	#define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS IB_SA_COMP_MASK( 6)
	#define IB_SA_MCMEMBER_REC_PKEY IB_SA_COMP_MASK( 7)
	#define IB_SA_MCMEMBER_REC_RATE_SELECTOR IB_SA_COMP_MASK( 8)
	#define IB_SA_MCMEMBER_REC_RATE IB_SA_COMP_MASK( 9)
	#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR IB_SA_COMP_MASK(10)
	#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(11)
	#define IB_SA_MCMEMBER_REC_SL IB_SA_COMP_MASK(12)
	#define IB_SA_MCMEMBER_REC_FLOW_LABEL IB_SA_COMP_MASK(13)
	#define IB_SA_MCMEMBER_REC_HOP_LIMIT IB_SA_COMP_MASK(14)
	#define IB_SA_MCMEMBER_REC_SCOPE IB_SA_COMP_MASK(15)
	#define IB_SA_MCMEMBER_REC_JOIN_STATE IB_SA_COMP_MASK(16)
	#define IB_SA_MCMEMBER_REC_PROXY_JOIN IB_SA_COMP_MASK(17)

	struct ib_sa_mcmember_rec {
	union ib_gid mgid;
	union ib_gid port_gid;
	__be32 qkey;
	__be16 mlid;
	u8 mtu_selector;
	u8 mtu;
	u8 traffic_class;
	__be16 pkey;
	u8 rate_selector;
	u8 rate;
	u8 packet_life_time_selector;
	u8 packet_life_time;
	u8 sl;
	__be32 flow_label;
	u8 hop_limit;
	u8 scope;
	u8 join_state;
	int proxy_join;
	};

	/* Service Record Component Mask Sec 15.2.5.14 Ver 1.1 */
	#define IB_SA_SERVICE_REC_SERVICE_ID IB_SA_COMP_MASK( 0)
	#define IB_SA_SERVICE_REC_SERVICE_GID IB_SA_COMP_MASK( 1)
	#define IB_SA_SERVICE_REC_SERVICE_PKEY IB_SA_COMP_MASK( 2)
	/* reserved: 3 */
	#define IB_SA_SERVICE_REC_SERVICE_LEASE IB_SA_COMP_MASK( 4)
	#define IB_SA_SERVICE_REC_SERVICE_KEY IB_SA_COMP_MASK( 5)
	#define IB_SA_SERVICE_REC_SERVICE_NAME IB_SA_COMP_MASK( 6)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_0 IB_SA_COMP_MASK( 7)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_1 IB_SA_COMP_MASK( 8)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_2 IB_SA_COMP_MASK( 9)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_3 IB_SA_COMP_MASK(10)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_4 IB_SA_COMP_MASK(11)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_5 IB_SA_COMP_MASK(12)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_6 IB_SA_COMP_MASK(13)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_7 IB_SA_COMP_MASK(14)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_8 IB_SA_COMP_MASK(15)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_9 IB_SA_COMP_MASK(16)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_10 IB_SA_COMP_MASK(17)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_11 IB_SA_COMP_MASK(18)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_12 IB_SA_COMP_MASK(19)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_13 IB_SA_COMP_MASK(20)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_14 IB_SA_COMP_MASK(21)
	#define IB_SA_SERVICE_REC_SERVICE_DATA8_15 IB_SA_COMP_MASK(22)
	#define IB_SA_SERVICE_REC_SERVICE_DATA16_0 IB_SA_COMP_MASK(23)
	#define IB_SA_SERVICE_REC_SERVICE_DATA16_1 IB_SA_COMP_MASK(24)
	#define IB_SA_SERVICE_REC_SERVICE_DATA16_2 IB_SA_COMP_MASK(25)
	#define IB_SA_SERVICE_REC_SERVICE_DATA16_3 IB_SA_COMP_MASK(26)
	#define IB_SA_SERVICE_REC_SERVICE_DATA16_4 IB_SA_COMP_MASK(27)
	#define IB_SA_SERVICE_REC_SERVICE_DATA16_5 IB_SA_COMP_MASK(28)
	#define IB_SA_SERVICE_REC_SERVICE_DATA16_6 IB_SA_COMP_MASK(29)
	#define IB_SA_SERVICE_REC_SERVICE_DATA16_7 IB_SA_COMP_MASK(30)
	#define IB_SA_SERVICE_REC_SERVICE_DATA32_0 IB_SA_COMP_MASK(31)
	#define IB_SA_SERVICE_REC_SERVICE_DATA32_1 IB_SA_COMP_MASK(32)
	#define IB_SA_SERVICE_REC_SERVICE_DATA32_2 IB_SA_COMP_MASK(33)
	#define IB_SA_SERVICE_REC_SERVICE_DATA32_3 IB_SA_COMP_MASK(34)
	#define IB_SA_SERVICE_REC_SERVICE_DATA64_0 IB_SA_COMP_MASK(35)
	#define IB_SA_SERVICE_REC_SERVICE_DATA64_1 IB_SA_COMP_MASK(36)

	#define IB_DEFAULT_SERVICE_LEASE 0xFFFFFFFF

	struct ib_sa_service_rec {
	u64 id;
	union ib_gid gid;
	__be16 pkey;
	/* reserved */
	u32 lease;
	u8 key[16];
	u8 name[64];
	u8 data8[16];
	u16 data16[8];
	u32 data32[4];
	u64 data64[2];
	};

	struct ib_sa_client {
	atomic_t users;
	struct completion comp;
	};

	/**
	* ib_sa_register_client - Register an SA client.
	*/
	void ib_sa_register_client(struct ib_sa_client *client);

	/**
	* ib_sa_unregister_client - Deregister an SA client.
	* @client: Client object to deregister.
	*/
	void ib_sa_unregister_client(struct ib_sa_client *client);

	struct ib_sa_query;

	void ib_sa_cancel_query(int id, struct ib_sa_query *query);

	int ib_sa_path_rec_get(struct ib_sa_client *client,
	struct ib_device *device, u8 port_num,
	struct ib_sa_path_rec *rec,
	ib_sa_comp_mask comp_mask,
	int timeout_ms, gfp_t gfp_mask,
	void (*callback)(int status,
	struct ib_sa_path_rec *resp,
	void *context),
	void *context,
	struct ib_sa_query **query);

	int ib_sa_mcmember_rec_query(struct ib_sa_client *client,
	struct ib_device *device, u8 port_num,
	u8 method,
	struct ib_sa_mcmember_rec *rec,
	ib_sa_comp_mask comp_mask,
	int timeout_ms, gfp_t gfp_mask,
	void (*callback)(int status,
	struct ib_sa_mcmember_rec *resp,
	void *context),
	void *context,
	struct ib_sa_query **query);

	int ib_sa_service_rec_query(struct ib_sa_client *client,
	struct ib_device *device, u8 port_num,
	u8 method,
	struct ib_sa_service_rec *rec,
	ib_sa_comp_mask comp_mask,
	int timeout_ms, gfp_t gfp_mask,
	void (*callback)(int status,
	struct ib_sa_service_rec *resp,
	void *context),
	void *context,
	struct ib_sa_query **sa_query);

	/**
	* ib_sa_mcmember_rec_set - Start an MCMember set query
	* @client:SA client
	* @device:device to send query on
	* @port_num: port number to send query on
	* @rec:MCMember Record to send in query
	* @comp_mask:component mask to send in query
	* @timeout_ms:time to wait for response
	* @gfp_mask:GFP mask to use for internal allocations
	* @callback:function called when query completes, times out or is
	* canceled
	* @context:opaque user context passed to callback
	* @sa_query:query context, used to cancel query
	*
	* Send an MCMember Set query to the SA (eg to join a multicast
	* group). The callback function will be called when the query
	* completes (or fails); status is 0 for a successful response, -EINTR
	* if the query is canceled, -ETIMEDOUT is the query timed out, or
	* -EIO if an error occurred sending the query. The resp parameter of
	* the callback is only valid if status is 0.
	*
	* If the return value of ib_sa_mcmember_rec_set() is negative, it is
	* an error code. Otherwise it is a query ID that can be used to
	* cancel the query.
	*/
	static inline int
	ib_sa_mcmember_rec_set(struct ib_sa_client *client,
	struct ib_device *device, u8 port_num,
	struct ib_sa_mcmember_rec *rec,
	ib_sa_comp_mask comp_mask,
	int timeout_ms, gfp_t gfp_mask,
	void (*callback)(int status,
	struct ib_sa_mcmember_rec *resp,
	void *context),
	void *context,
	struct ib_sa_query **query)
	{
	return ib_sa_mcmember_rec_query(client, device, port_num,
	IB_MGMT_METHOD_SET,
	rec, comp_mask,
	timeout_ms, gfp_mask, callback,
	context, query);
	}

	/**
	* ib_sa_mcmember_rec_delete - Start an MCMember delete query
	* @client:SA client
	* @device:device to send query on
	* @port_num: port number to send query on
	* @rec:MCMember Record to send in query
	* @comp_mask:component mask to send in query
	* @timeout_ms:time to wait for response
	* @gfp_mask:GFP mask to use for internal allocations
	* @callback:function called when query completes, times out or is
	* canceled
	* @context:opaque user context passed to callback
	* @sa_query:query context, used to cancel query
	*
	* Send an MCMember Delete query to the SA (eg to leave a multicast
	* group). The callback function will be called when the query
	* completes (or fails); status is 0 for a successful response, -EINTR
	* if the query is canceled, -ETIMEDOUT is the query timed out, or
	* -EIO if an error occurred sending the query. The resp parameter of
	* the callback is only valid if status is 0.
	*
	* If the return value of ib_sa_mcmember_rec_delete() is negative, it
	* is an error code. Otherwise it is a query ID that can be used to
	* cancel the query.
	*/
	static inline int
	ib_sa_mcmember_rec_delete(struct ib_sa_client *client,
	struct ib_device *device, u8 port_num,
	struct ib_sa_mcmember_rec *rec,
	ib_sa_comp_mask comp_mask,
	int timeout_ms, gfp_t gfp_mask,
	void (*callback)(int status,
	struct ib_sa_mcmember_rec *resp,
	void *context),
	void *context,
	struct ib_sa_query **query)
	{
	return ib_sa_mcmember_rec_query(client, device, port_num,
	IB_SA_METHOD_DELETE,
	rec, comp_mask,
	timeout_ms, gfp_mask, callback,
	context, query);
	}

	/**
	* ib_init_ah_from_path - Initialize address handle attributes based on an SA
	* path record.
	*/
	int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
	struct ib_sa_path_rec *rec,
	struct ib_ah_attr *ah_attr);

	#endif /* IB_SA_H */