/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * Copyright (c) 2005 SilverStorm Technologies, Inc. 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. * */ /* * Sun elects to include this software in Sun product * under the OpenIB BSD license. * * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _RDSIB_IB_H #define _RDSIB_IB_H #ifdef __cplusplus extern "C" { #endif #include <sys/types.h> #include <sys/ib/ibtl/ibti.h> #include "rdsib_debug.h" #include "rdsib_protocol.h" /* * Global Configuration Variables * As defined in RDS proposal */ extern uint_t MaxNodes; extern uint_t UserBufferSize; extern uint_t RdsPktSize; extern uint_t NDataRX; extern uint_t MaxDataSendBuffers; extern uint_t MaxDataRecvBuffers; extern uint_t MaxCtrlSendBuffers; extern uint_t MaxCtrlRecvBuffers; extern uint_t DataRecvBufferLWM; extern uint_t CtrlRecvBufferLWM; extern uint_t PendingRxPktsHWM; extern uint_t MinRnrRetry; extern uint8_t IBPathRetryCount; extern uint8_t IBPktLifeTime; #ifdef DEBUG extern uint32_t rdsdbglvl; #else extern uint32_t rdsdbglvl; #endif /* performance tunables */ extern uint_t rds_no_interrupts; extern uint_t rds_poll_percent_full; extern uint_t rds_wc_signal; extern uint_t rds_waittime_ms; /* loopback port map */ #define RDS_PORT_MAP_SIZE 8192 extern krwlock_t rds_loopback_portmap_lock; extern uint8_t rds_loopback_portmap[RDS_PORT_MAP_SIZE]; extern ddi_taskq_t *rds_taskq; extern uint_t rds_rx_pkts_pending_hwm; /* readonly */ /* Number of WCs to poll in a single call */ #define RDS_NUM_DATA_SEND_WCS 10 #define RDS_RDMAW_WRID 0xdabadaba #define RDS_NUM_ACKS 4 /* only 1 is used */ typedef enum rds_hca_state_s { RDS_HCA_STATE_ADDED = 0, RDS_HCA_STATE_OPEN = 1, RDS_HCA_STATE_MEM_REGISTERED = 2, RDS_HCA_STATE_STOPPING = 3, RDS_HCA_STATE_REMOVED = 4 } rds_hca_state_t; /* * There is one of this structure for each HCA in the system. * This holds all the information about the HCA. * * hca_nextp - Points to the next hca in the system. * hca_state - State of the hca (only modified on HCA attach/detach) * hca_guid - HCA Guid * hca_nports - Number of ports on the HCA * hca_hdl - HCA hdl obtained after opening the HCA * hca_pdhdl - PD hdl * hca_lkey - LKey for the registered global receive buffer pool memory * hca_rkey - Rkey for the registered global receive buffer pool memory * hca_attrp - HCA attributes * hca_pinfop - ptr to portinfo data, allocated by ibtf * hca_pinfo_sz - Sizeof of portinfo data */ typedef struct rds_hca_s { struct rds_hca_s *hca_nextp; rds_hca_state_t hca_state; ib_guid_t hca_guid; uint_t hca_nports; ibt_hca_hdl_t hca_hdl; ibt_pd_hdl_t hca_pdhdl; ibt_mr_hdl_t hca_mrhdl; ibt_lkey_t hca_lkey; ibt_rkey_t hca_rkey; ibt_sbind_hdl_t hca_bindhdl[4]; ibt_hca_attr_t hca_attr; ibt_hca_portinfo_t *hca_pinfop; uint_t hca_pinfo_sz; } rds_hca_t; /* * RDS Soft State * NOTE: Only one soft state per driver and NOT per instance. * * sessionlock - protects the rds_session_t:session_nextp, this lock has * to be taken for read/write acess of the sessions list. * nsessions - Number of sessions in sessionlist * sessionlistp - Pointer to the first session. * ibhdl - Clnt handle acquired after registering with IBTF * nhcas - Number of HCAs initialized. This is also the number of rds_hca_t * structures in the rds_hcalistp. * hcalistp - list of rds_hca_t. * srvhdl - RDS service handle */ typedef struct rds_state_s { krwlock_t rds_sessionlock; uint_t rds_nsessions; struct rds_session_s *rds_sessionlistp; ibt_clnt_hdl_t rds_ibhdl; krwlock_t rds_hca_lock; uint_t rds_nhcas; rds_hca_t *rds_hcalistp; ibt_srv_hdl_t rds_srvhdl; ib_svc_id_t rds_service_id; } rds_state_t; extern rds_state_t *rdsib_statep; /* global */ /* defined in rds_cm.c */ ibt_srv_hdl_t rds_register_service(ibt_clnt_hdl_t rds_ibhdl); int rds_bind_service(struct rds_state_s *statep); /* defined in rds_ib.c */ void rds_recvcq_handler(ibt_cq_hdl_t cq, void *); rds_hca_t *rds_gid_to_hcap(rds_state_t *statep, ib_gid_t gid); rds_hca_t *rds_get_hcap(rds_state_t *statep, ib_guid_t guid); int rdsib_initialize_ib(); void rdsib_deinitialize_ib(); /* defined in rds_debug.c */ void rds_logging_initialization(); void rds_logging_destroy(); #ifdef __cplusplus } #endif #endif /* _RDSIB_IB_H */
