1219820Sjeff/* 2219820Sjeff * Copyright (c) 2004-2008 Voltaire, Inc. All rights reserved. 3219820Sjeff * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved. 4219820Sjeff * Copyright (c) 1996-2003 Intel Corporation. All rights reserved. 5219820Sjeff * 6219820Sjeff * This software is available to you under a choice of one of two 7219820Sjeff * licenses. You may choose to be licensed under the terms of the GNU 8219820Sjeff * General Public License (GPL) Version 2, available from the file 9219820Sjeff * COPYING in the main directory of this source tree, or the 10219820Sjeff * OpenIB.org BSD license below: 11219820Sjeff * 12219820Sjeff * Redistribution and use in source and binary forms, with or 13219820Sjeff * without modification, are permitted provided that the following 14219820Sjeff * conditions are met: 15219820Sjeff * 16219820Sjeff * - Redistributions of source code must retain the above 17219820Sjeff * copyright notice, this list of conditions and the following 18219820Sjeff * disclaimer. 19219820Sjeff * 20219820Sjeff * - Redistributions in binary form must reproduce the above 21219820Sjeff * copyright notice, this list of conditions and the following 22219820Sjeff * disclaimer in the documentation and/or other materials 23219820Sjeff * provided with the distribution. 24219820Sjeff * 25219820Sjeff * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26219820Sjeff * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27219820Sjeff * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28219820Sjeff * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29219820Sjeff * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30219820Sjeff * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31219820Sjeff * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32219820Sjeff * SOFTWARE. 33219820Sjeff * 34219820Sjeff */ 35219820Sjeff 36219820Sjeff/* 37219820Sjeff * Abstract: 38219820Sjeff * Implementation of osm_vla_rcv_t. 39219820Sjeff * This object represents the Vl Arbitration Receiver object. 40219820Sjeff * This object is part of the opensm family of objects. 41219820Sjeff */ 42219820Sjeff 43219820Sjeff#if HAVE_CONFIG_H 44219820Sjeff# include <config.h> 45219820Sjeff#endif /* HAVE_CONFIG_H */ 46219820Sjeff 47219820Sjeff#include <string.h> 48219820Sjeff#include <iba/ib_types.h> 49219820Sjeff#include <complib/cl_passivelock.h> 50219820Sjeff#include <complib/cl_debug.h> 51219820Sjeff#include <opensm/osm_madw.h> 52219820Sjeff#include <opensm/osm_log.h> 53219820Sjeff#include <opensm/osm_node.h> 54219820Sjeff#include <opensm/osm_subnet.h> 55219820Sjeff#include <opensm/osm_helper.h> 56219820Sjeff#include <opensm/osm_sm.h> 57219820Sjeff 58219820Sjeff/********************************************************************** 59219820Sjeff **********************************************************************/ 60219820Sjeff/* 61219820Sjeff * WE MIGHT ONLY RECEIVE GET or SET responses 62219820Sjeff */ 63219820Sjeffvoid osm_vla_rcv_process(IN void *context, IN void *data) 64219820Sjeff{ 65219820Sjeff osm_sm_t *sm = context; 66219820Sjeff osm_madw_t *p_madw = data; 67219820Sjeff ib_vl_arb_table_t *p_vla_tbl; 68219820Sjeff ib_smp_t *p_smp; 69219820Sjeff osm_port_t *p_port; 70219820Sjeff osm_physp_t *p_physp; 71219820Sjeff osm_node_t *p_node; 72219820Sjeff osm_vla_context_t *p_context; 73219820Sjeff ib_net64_t port_guid; 74219820Sjeff ib_net64_t node_guid; 75219820Sjeff uint8_t port_num, block_num; 76219820Sjeff 77219820Sjeff CL_ASSERT(sm); 78219820Sjeff 79219820Sjeff OSM_LOG_ENTER(sm->p_log); 80219820Sjeff 81219820Sjeff CL_ASSERT(p_madw); 82219820Sjeff 83219820Sjeff p_smp = osm_madw_get_smp_ptr(p_madw); 84219820Sjeff 85219820Sjeff p_context = osm_madw_get_vla_context_ptr(p_madw); 86219820Sjeff p_vla_tbl = (ib_vl_arb_table_t *) ib_smp_get_payload_ptr(p_smp); 87219820Sjeff 88219820Sjeff port_guid = p_context->port_guid; 89219820Sjeff node_guid = p_context->node_guid; 90219820Sjeff 91219820Sjeff CL_ASSERT(p_smp->attr_id == IB_MAD_ATTR_VL_ARBITRATION); 92219820Sjeff 93219820Sjeff cl_plock_excl_acquire(sm->p_lock); 94219820Sjeff p_port = osm_get_port_by_guid(sm->p_subn, port_guid); 95219820Sjeff if (!p_port) { 96219820Sjeff cl_plock_release(sm->p_lock); 97219820Sjeff OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 3F06: " 98219820Sjeff "No port object for port with GUID 0x%" PRIx64 99219820Sjeff "\n\t\t\t\tfor parent node GUID 0x%" PRIx64 100219820Sjeff ", TID 0x%" PRIx64 "\n", 101219820Sjeff cl_ntoh64(port_guid), 102219820Sjeff cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id)); 103219820Sjeff goto Exit; 104219820Sjeff } 105219820Sjeff 106219820Sjeff p_node = p_port->p_node; 107219820Sjeff CL_ASSERT(p_node); 108219820Sjeff 109219820Sjeff block_num = (uint8_t) (cl_ntoh32(p_smp->attr_mod) >> 16); 110219820Sjeff /* in case of a non switch node the attr modifier should be ignored */ 111219820Sjeff if (osm_node_get_type(p_node) == IB_NODE_TYPE_SWITCH) { 112219820Sjeff port_num = (uint8_t) (cl_ntoh32(p_smp->attr_mod) & 0x000000FF); 113219820Sjeff p_physp = osm_node_get_physp_ptr(p_node, port_num); 114219820Sjeff } else { 115219820Sjeff p_physp = p_port->p_physp; 116219820Sjeff port_num = p_physp->port_num; 117219820Sjeff } 118219820Sjeff 119219820Sjeff /* 120219820Sjeff We do not mind if this is a result of a set or get - all we want is to update 121219820Sjeff the subnet. 122219820Sjeff */ 123219820Sjeff OSM_LOG(sm->p_log, OSM_LOG_VERBOSE, 124219820Sjeff "Got GetResp(VLArb) block:%u port_num %u with GUID 0x%" 125219820Sjeff PRIx64 " for parent node GUID 0x%" PRIx64 ", TID 0x%" 126219820Sjeff PRIx64 "\n", block_num, port_num, cl_ntoh64(port_guid), 127219820Sjeff cl_ntoh64(node_guid), cl_ntoh64(p_smp->trans_id)); 128219820Sjeff 129219820Sjeff /* 130219820Sjeff Determine if we encountered a new Physical Port. 131219820Sjeff If so, Ignore it. 132219820Sjeff */ 133219820Sjeff if (!p_physp) { 134219820Sjeff OSM_LOG(sm->p_log, OSM_LOG_ERROR, 135219820Sjeff "Got invalid port number %u\n", port_num); 136219820Sjeff goto Exit; 137219820Sjeff } 138219820Sjeff 139219820Sjeff osm_dump_vl_arb_table(sm->p_log, 140219820Sjeff port_guid, block_num, 141219820Sjeff port_num, p_vla_tbl, OSM_LOG_DEBUG); 142219820Sjeff 143219820Sjeff if ((block_num < 1) || (block_num > 4)) { 144219820Sjeff OSM_LOG(sm->p_log, OSM_LOG_ERROR, 145219820Sjeff "Got invalid block number 0x%X\n", block_num); 146219820Sjeff goto Exit; 147219820Sjeff } 148219820Sjeff osm_physp_set_vla_tbl(p_physp, p_vla_tbl, block_num); 149219820Sjeff 150219820SjeffExit: 151219820Sjeff cl_plock_release(sm->p_lock); 152219820Sjeff 153219820Sjeff OSM_LOG_EXIT(sm->p_log); 154219820Sjeff} 155