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/*
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This file is provided under a dual BSD/GPLv2 license. When using or
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redistributing this file, you may do so under either license.
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GPL LICENSE SUMMARY
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Copyright(c) 2015 Intel Corporation.
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation.
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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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Contact Information:
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Intel Corporation, www.intel.com
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BSD LICENSE
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Copyright(c) 2015 Intel Corporation.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* Copyright (c) 2009-2014 Intel Corporation. All rights reserved. */
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#ifndef _IPS_PATH_REC_H_
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#define _IPS_PATH_REC_H_
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#include <search.h>
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/* Default size of path record hash table */
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#define DF_PATH_REC_HASH_SIZE 2047
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/* Default size of path group hash table */
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#define DF_PATH_GRP_HASH_SIZE 255
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/* Default size of CCT table. Must be multiple of 64 */
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#define DF_CCT_TABLE_SIZE 128
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/* CCT max IPD delay. */
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#define DF_CCT_MAX_IPD_DELAY_US 21
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/* CCA divisor shift */
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#define CCA_DIVISOR_SHIFT 14
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/* CCA ipd mask */
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#define CCA_IPD_MASK 0x3FFF
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/* A lot of these are IBTA specific defines that are available in other header
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* files. To minimize dependencies with PSM build process they are listed
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* here. Most of this is used to implement IBTA compliance features with PSM
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* like path record query etc.
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*/
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enum opa_mtu {
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IBTA_MTU_256 = 1,
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IBTA_MTU_512 = 2,
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IBTA_MTU_1024 = 3,
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IBTA_MTU_2048 = 4,
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IBTA_MTU_4096 = 5,
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OPA_MTU_8192 = 6,
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OPA_MTU_10240 = 7,
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IBTA_MTU_MIN = IBTA_MTU_256,
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OPA_MTU_MIN = IBTA_MTU_256,
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OPA_MTU_MAX = OPA_MTU_10240,
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};
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typedef enum {
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IBV_RATE_MAX = 0,
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IBV_RATE_2_5_GBPS = 2,
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IBV_RATE_5_GBPS = 5,
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IBV_RATE_10_GBPS = 3,
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IBV_RATE_20_GBPS = 6,
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IBV_RATE_30_GBPS = 4,
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IBV_RATE_40_GBPS = 7,
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IBV_RATE_60_GBPS = 8,
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IBV_RATE_80_GBPS = 9,
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IBV_RATE_120_GBPS = 10,
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IBV_RATE_14_GBPS = 11,
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IBV_RATE_56_GBPS = 12,
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IBV_RATE_112_GBPS = 13,
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IBV_RATE_168_GBPS = 14,
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IBV_RATE_25_GBPS = 15,
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IBV_RATE_100_GBPS = 16,
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IBV_RATE_200_GBPS = 17,
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IBV_RATE_300_GBPS = 18
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} opa_rate;
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static inline int opa_mtu_enum_to_int(enum opa_mtu mtu)
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{
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switch (mtu) {
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case IBTA_MTU_256:
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return 256;
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case IBTA_MTU_512:
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return 512;
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case IBTA_MTU_1024:
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return 1024;
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case IBTA_MTU_2048:
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return 2048;
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case IBTA_MTU_4096:
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return 4096;
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case OPA_MTU_8192:
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return 8192;
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case OPA_MTU_10240:
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return 10240;
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default:
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return -1;
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}
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}
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/* This is same as ob_path_rec from ib_types.h. Listed here to be self
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* contained to minimize dependencies during build etc.
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*/
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typedef struct _ibta_path_rec {
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uint64_t service_id; /* net order */
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uint8_t dgid[16];
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uint8_t sgid[16];
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uint16_t dlid; /* net order */
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uint16_t slid; /* net order */
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uint32_t hop_flow_raw; /* net order */
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uint8_t tclass;
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uint8_t num_path;
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uint16_t pkey; /* net order */
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uint16_t qos_class_sl; /* net order */
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uint8_t mtu; /* IBTA encoded */
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uint8_t rate; /* IBTA encoded */
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uint8_t pkt_life; /* IBTA encoded */
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uint8_t preference;
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uint8_t resv2[6];
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} ibta_path_rec_t;
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/*
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* PSM IPS path record components for endpoint.
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*
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* For Torus/non-zero LMC fabrics, pr_slid and pr_dlid may be different from
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* the "base lid" values for this connection.
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*/
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struct ips_proto;
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typedef struct ips_path_rec {
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uint16_t pr_slid;
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uint16_t pr_dlid;
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uint16_t pr_mtu; /* < Path's MTU */
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uint16_t pr_pkey;
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uint16_t pr_static_ipd; /* Static rate IPD from path record */
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uint8_t pr_sl;
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/* IBTA CCA parameters per path */
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uint8_t pr_cca_divisor; /* CCA divisor [14:15] in CCT entry */
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uint16_t pr_active_ipd; /* The current active IPD. max(static,cct) */
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uint16_t pr_ccti; /* CCA table index */
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/* Congestion timer for epr_ccti increment. */
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psmi_timer *pr_timer_cca;
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struct ips_proto *proto; /* for global info */
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} ips_path_rec_t;
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psm2_error_t ips_opp_init(struct ips_proto *proto);
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#endif
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