/*
* Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
* Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
* Copyright (c) 1996-2003 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.
*
*/
/*
* Abstract:
* Declaration of osm_sa_t.
* This object represents an IBA subnet.
* This object is part of the OpenSM family of objects.
*/
#ifndef _OSM_SA_H_
#define _OSM_SA_H_
#include <iba/ib_types.h>
#include <complib/cl_passivelock.h>
#include <complib/cl_event.h>
#include <complib/cl_thread.h>
#include <complib/cl_timer.h>
#include <complib/cl_dispatcher.h>
#include <opensm/osm_stats.h>
#include <opensm/osm_subnet.h>
#include <vendor/osm_vendor_api.h>
#include <opensm/osm_mad_pool.h>
#include <opensm/osm_log.h>
#include <opensm/osm_sa_mad_ctrl.h>
#include <opensm/osm_sm.h>
#include <opensm/osm_multicast.h>
#ifdef __cplusplus
# define BEGIN_C_DECLS extern "C" {
# define END_C_DECLS }
#else /* !__cplusplus */
# define BEGIN_C_DECLS
# define END_C_DECLS
#endif /* __cplusplus */
BEGIN_C_DECLS
/****h* OpenSM/SA
* NAME
* SA
*
* DESCRIPTION
* The SA object encapsulates the information needed by the
* OpenSM to instantiate subnet administration. The OpenSM
* allocates one SA object per subnet manager.
*
* The SA object is thread safe.
*
* This object should be treated as opaque and should
* be manipulated only through the provided functions.
*
* AUTHOR
* Ranjit Pandit, Intel
* Anil Keshavamurthy, Intel
*
*********/
/****d* OpenSM: SA/osm_sa_state_t
* NAME
* osm_sa_state_t
*
* DESCRIPTION
* Enumerates the possible states of SA object.
*
* SYNOPSIS
*/
typedef enum _osm_sa_state {
OSM_SA_STATE_INIT = 0,
OSM_SA_STATE_READY
} osm_sa_state_t;
/***********/
/****d* OpenSM: SA/osm_mpr_rec_t
* NAME
* osm_mpr_rec_t
*
* DESCRIPTION
* SA MultiPathRecord response.
*
* SYNOPSIS
*/
typedef struct osm_mpr_rec {
ib_path_rec_t path_rec;
const osm_port_t *p_src_port;
const osm_port_t *p_dest_port;
int hops;
} osm_mpr_rec_t;
/***********/
/****d* OpenSM: SA/osm_sa_item_t
* NAME
* osm_sa_item_t
*
* DESCRIPTION
* SA response item.
*
* SYNOPSIS
*/
typedef struct osm_sa_item {
cl_list_item_t list_item;
union {
char data[0];
ib_guidinfo_record_t guid_rec;
ib_inform_info_t inform;
ib_inform_info_record_t inform_rec;
ib_lft_record_t lft_rec;
ib_link_record_t link_rec;
ib_member_rec_t mc_rec;
ib_mft_record_t mft_rec;
osm_mpr_rec_t mpr_rec;
ib_node_record_t node_rec;
ib_path_rec_t path_rec;
ib_pkey_table_record_t pkey_rec;
ib_portinfo_record_t port_rec;
ib_service_record_t service_rec;
ib_slvl_table_record_t slvl_rec;
ib_sminfo_record_t sminfo_rec;
ib_switch_info_record_t swinfo_rec;
ib_vl_arb_table_record_t vlarb_rec;
} resp;
} osm_sa_item_t;
/*
* NOTES
* Actual structure allocated is based on SA attribute
* type. As such, it is variable sized. The allocation
* occurs in the SA attribute handling code.
* Note also that the size is specified external
* to this structure (It's passed as a parameter to
* osm_sa_respond). The SA_ITEM_RESP_SIZE macro
* facilitates determining the size required.
*
***********/
#define SA_ITEM_RESP_SIZE(_m) offsetof(osm_sa_item_t, resp._m) + \
sizeof(((osm_sa_item_t *)NULL)->resp._m)
/****s* OpenSM: SM/osm_sa_t
* NAME
* osm_sa_t
*
* DESCRIPTION
* Subnet Administration structure.
*
* This object should be treated as opaque and should
* be manipulated only through the provided functions.
*
* SYNOPSIS
*/
typedef struct osm_sa {
osm_sa_state_t state;
osm_sm_t *sm;
osm_subn_t *p_subn;
osm_vendor_t *p_vendor;
osm_log_t *p_log;
osm_mad_pool_t *p_mad_pool;
cl_dispatcher_t *p_disp;
cl_dispatcher_t *p_set_disp;
cl_plock_t *p_lock;
atomic32_t sa_trans_id;
osm_sa_mad_ctrl_t mad_ctrl;
cl_timer_t sr_timer;
boolean_t dirty;
cl_disp_reg_handle_t cpi_disp_h;
cl_disp_reg_handle_t nr_disp_h;
cl_disp_reg_handle_t pir_disp_h;
cl_disp_reg_handle_t gir_disp_h;
cl_disp_reg_handle_t lr_disp_h;
cl_disp_reg_handle_t pr_disp_h;
cl_disp_reg_handle_t smir_disp_h;
cl_disp_reg_handle_t mcmr_disp_h;
cl_disp_reg_handle_t sr_disp_h;
#if defined (VENDOR_RMPP_SUPPORT) && defined (DUAL_SIDED_RMPP)
cl_disp_reg_handle_t mpr_disp_h;
#endif
cl_disp_reg_handle_t infr_disp_h;
cl_disp_reg_handle_t infir_disp_h;
cl_disp_reg_handle_t vlarb_disp_h;
cl_disp_reg_handle_t slvl_disp_h;
cl_disp_reg_handle_t pkey_disp_h;
cl_disp_reg_handle_t lft_disp_h;
cl_disp_reg_handle_t sir_disp_h;
cl_disp_reg_handle_t mft_disp_h;
cl_disp_reg_handle_t infr_set_disp_h;
cl_disp_reg_handle_t gir_set_disp_h;
cl_disp_reg_handle_t mcmr_set_disp_h;
cl_disp_reg_handle_t sr_set_disp_h;
} osm_sa_t;
/*
* FIELDS
* state
* State of this SA object
*
* sm
* Pointer to the Subnet Manager object.
*
* p_subn
* Pointer to the Subnet object for this subnet.
*
* p_vendor
* Pointer to the vendor specific interfaces object.
*
* p_log
* Pointer to the log object.
*
* p_mad_pool
* Pointer to the MAD pool.
*
* p_disp
* Pointer to dispatcher
*
* p_set_disp
* Pointer to dispatcher for Set requests.
*
* p_lock
* Pointer to Lock for serialization
*
* sa_trans_id
* Transaction ID
*
* mad_ctrl
* Mad Controller
*
* dirty
* A flag that denotes that SA DB is dirty and needs
* to be written to the dump file (if dumping is enabled)
*
* SEE ALSO
* SM object
*********/
/****f* OpenSM: SA/osm_sa_construct
* NAME
* osm_sa_construct
*
* DESCRIPTION
* This function constructs an SA object.
*
* SYNOPSIS
*/
void osm_sa_construct(IN osm_sa_t * p_sa);
/*
* PARAMETERS
* p_sa
* [in] Pointer to a SA object to construct.
*
* RETURN VALUE
* This function does not return a value.
*
* NOTES
* Allows calling osm_sa_destroy.
*
* Calling osm_sa_construct is a prerequisite to calling any other
* method except osm_sa_init.
*
* SEE ALSO
* SA object, osm_sa_init, osm_sa_destroy
*********/
/****f* OpenSM: SA/osm_sa_shutdown
* NAME
* osm_sa_shutdown
*
* DESCRIPTION
* The osm_sa_shutdown function shutdowns an SA, unregistering from all
* dispatcher messages and unbinding the QP1 mad service
*
* SYNOPSIS
*/
void osm_sa_shutdown(IN osm_sa_t * p_sa);
/*
* PARAMETERS
* p_sa
* [in] Pointer to a SA object to shutdown.
*
* RETURN VALUE
* This function does not return a value.
*
* SEE ALSO
* SA object, osm_sa_construct, osm_sa_init
*********/
/****f* OpenSM: SA/osm_sa_destroy
* NAME
* osm_sa_destroy
*
* DESCRIPTION
* The osm_sa_destroy function destroys an SA, releasing
* all resources.
*
* SYNOPSIS
*/
void osm_sa_destroy(IN osm_sa_t * p_sa);
/*
* PARAMETERS
* p_sa
* [in] Pointer to a SA object to destroy.
*
* RETURN VALUE
* This function does not return a value.
*
* NOTES
* Performs any necessary cleanup of the specified SA object.
* Further operations should not be attempted on the destroyed object.
* This function should only be called after a call to osm_sa_construct or
* osm_sa_init.
*
* SEE ALSO
* SA object, osm_sa_construct, osm_sa_init
*********/
/****f* OpenSM: SA/osm_sa_init
* NAME
* osm_sa_init
*
* DESCRIPTION
* The osm_sa_init function initializes a SA object for use.
*
* SYNOPSIS
*/
ib_api_status_t osm_sa_init(IN osm_sm_t * p_sm, IN osm_sa_t * p_sa,
IN osm_subn_t * p_subn, IN osm_vendor_t * p_vendor,
IN osm_mad_pool_t * p_mad_pool,
IN osm_log_t * p_log, IN osm_stats_t * p_stats,
IN cl_dispatcher_t * p_disp,
IN cl_dispatcher_t * p_set_disp,
IN cl_plock_t * p_lock);
/*
* PARAMETERS
* p_sa
* [in] Pointer to an osm_sa_t object to initialize.
*
* p_subn
* [in] Pointer to the Subnet object for this subnet.
*
* p_vendor
* [in] Pointer to the vendor specific interfaces object.
*
* p_mad_pool
* [in] Pointer to the MAD pool.
*
* p_log
* [in] Pointer to the log object.
*
* p_stats
* [in] Pointer to the statistics object.
*
* p_disp
* [in] Pointer to the OpenSM central Dispatcher.
*
* p_set_disp
* [in] Pointer to the OpenSM Dispatcher for Set requests.
*
* p_lock
* [in] Pointer to the OpenSM serializing lock.
*
* RETURN VALUES
* CL_SUCCESS if the SA object was initialized successfully.
*
* NOTES
* Allows calling other SA methods.
*
* SEE ALSO
* SA object, osm_sa_construct, osm_sa_destroy
*********/
/****f* OpenSM: SA/osm_sa_bind
* NAME
* osm_sa_bind
*
* DESCRIPTION
* Binds the SA object to a port guid.
*
* SYNOPSIS
*/
ib_api_status_t osm_sa_bind(IN osm_sa_t * p_sa, IN ib_net64_t port_guid);
/*
* PARAMETERS
* p_sa
* [in] Pointer to an osm_sa_t object to bind.
*
* port_guid
* [in] Local port GUID with which to bind.
*
*
* RETURN VALUES
* None
*
* NOTES
* A given SA object can only be bound to one port at a time.
*
* SEE ALSO
*********/
/****f* OpenSM: SA/osm_sa_send
* NAME
* osm_sa_send
*
* DESCRIPTION
* Sends SA MAD via osm_vendor_send and maintains the QP1 sent statistic
*
* SYNOPSIS
*/
ib_api_status_t osm_sa_send(osm_sa_t *sa, IN osm_madw_t * p_madw,
IN boolean_t resp_expected);
/****f* IBA Base: Types/osm_sa_send_error
* NAME
* osm_sa_send_error
*
* DESCRIPTION
* Sends a generic SA response with the specified error status.
* The payload is simply replicated from the request MAD.
*
* SYNOPSIS
*/
void osm_sa_send_error(IN osm_sa_t * sa, IN const osm_madw_t * p_madw,
IN ib_net16_t sa_status);
/*
* PARAMETERS
* sa
* [in] Pointer to an osm_sa_t object.
*
* p_madw
* [in] Original MAD to which the response must be sent.
*
* sa_status
* [in] Status to send in the response.
*
* RETURN VALUES
* None.
*
* SEE ALSO
* SA object
*********/
/****f* OpenSM: SA/osm_sa_respond
* NAME
* osm_sa_respond
*
* DESCRIPTION
* Sends SA MAD response
*/
void osm_sa_respond(osm_sa_t *sa, osm_madw_t *madw, size_t attr_size,
cl_qlist_t *list);
/*
* PARAMETERS
* sa
* [in] Pointer to an osm_sa_t object.
*
* p_madw
* [in] Original MAD to which the response must be sent.
*
* attr_size
* [in] Size of this SA attribute.
*
* list
* [in] List of attribute to respond - it will be freed after
* sending.
*
* RETURN VALUES
* None.
*
* SEE ALSO
* SA object
*********/
struct osm_opensm;
/****f* OpenSM: SA/osm_sa_db_file_dump
* NAME
* osm_sa_db_file_dump
*
* DESCRIPTION
* Dumps the SA DB to the dump file.
*
* SYNOPSIS
*/
int osm_sa_db_file_dump(struct osm_opensm *p_osm);
/*
* PARAMETERS
* p_osm
* [in] Pointer to an osm_opensm_t object.
*
* RETURN VALUES
* 0 if the SA DB was actually dumped
* >0 if there was no need to dump the SA DB
* <0 if some error occurred.
*
*********/
/****f* OpenSM: SA/osm_sa_db_file_load
* NAME
* osm_sa_db_file_load
*
* DESCRIPTION
* Loads SA DB from the file.
*
* SYNOPSIS
*/
int osm_sa_db_file_load(struct osm_opensm *p_osm);
/*
* PARAMETERS
* p_osm
* [in] Pointer to an osm_opensm_t object.
*
* RETURN VALUES
* 0 on success, other value on failure.
*
*********/
/****f* OpenSM: MC Member Record Receiver/osm_mcmr_rcv_find_or_create_new_mgrp
* NAME
* osm_mcmr_rcv_find_or_create_new_mgrp
*
* DESCRIPTION
* Create new Multicast group
*
* SYNOPSIS
*/
osm_mgrp_t *osm_mcmr_rcv_find_or_create_new_mgrp(IN osm_sa_t * sa,
IN ib_net64_t comp_mask,
IN ib_member_rec_t *
p_recvd_mcmember_rec);
/*
* PARAMETERS
* p_sa
* [in] Pointer to an osm_sa_t object.
* comp_mask
* [in] SA query component mask
* p_recvd_mcmember_rec
* [in] Received Multicast member record
*
* RETURN VALUES
* The pointer to MC group object found or created, NULL in case of errors
*
*********/
/**
* The following expose functionality of osm_sa_path_record.c for internal use
* by sub managers
*/
typedef struct osm_path_parms {
ib_net16_t pkey;
uint8_t mtu;
uint8_t rate;
uint8_t sl;
uint8_t pkt_life;
boolean_t reversible;
int hops;
} osm_path_parms_t;
ib_api_status_t osm_get_path_params(IN osm_sa_t * sa,
IN const osm_port_t * p_src_port,
IN const uint16_t slid_ho,
IN const osm_port_t * p_dest_port,
IN const uint16_t dlid_ho,
OUT osm_path_parms_t * p_parms);
ib_net16_t osm_pr_get_end_points(IN osm_sa_t * sa,
IN const ib_sa_mad_t *sa_mad,
OUT const osm_alias_guid_t ** pp_src_alias_guid,
OUT const osm_alias_guid_t ** pp_dest_alias_guid,
OUT const osm_port_t ** pp_src_port,
OUT const osm_port_t ** pp_dest_port,
OUT const ib_gid_t ** pp_sgid,
OUT const ib_gid_t ** pp_dgid);
void osm_pr_process_pair(IN osm_sa_t * sa, IN const ib_sa_mad_t * sa_mad,
IN const osm_port_t * requester_port,
IN const osm_alias_guid_t * p_src_alias_guid,
IN const osm_alias_guid_t * p_dest_alias_guid,
IN const ib_gid_t * p_sgid,
IN const ib_gid_t * p_dgid,
IN cl_qlist_t * p_list);
void osm_pr_process_half(IN osm_sa_t * sa, IN const ib_sa_mad_t * sa_mad,
IN const osm_port_t * requester_port,
IN const osm_alias_guid_t * p_src_alias_guid,
IN const osm_alias_guid_t * p_dest_alias_guid,
IN const ib_gid_t * p_sgid,
IN const ib_gid_t * p_dgid,
IN cl_qlist_t * p_list);
END_C_DECLS
#endif /* _OSM_SA_H_ */