1 /* 2 * Copyright (c) 2004, 2005, Voltaire, Inc. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 * 32 * $Id: mad_priv.h 1389 2004-12-27 22:56:47Z roland $ 33 */ 34 35 #ifndef __IB_MAD_PRIV_H__ 36 #define __IB_MAD_PRIV_H__ 37 38 #include <linux/pci.h> 39 #include <linux/kthread.h> 40 #include <linux/workqueue.h> 41 #include <ib_mad.h> 42 #include <ib_smi.h> 43 44 45 #define PFX "ib_mad: " 46 47 #define IB_MAD_QPS_CORE 2 /* Always QP0 and QP1 as a minimum */ 48 49 /* QP and CQ parameters */ 50 #define IB_MAD_QP_SEND_SIZE 128 51 #define IB_MAD_QP_RECV_SIZE 512 52 #define IB_MAD_SEND_REQ_MAX_SG 2 53 #define IB_MAD_RECV_REQ_MAX_SG 1 54 55 #define IB_MAD_SEND_Q_PSN 0 56 57 /* Registration table sizes */ 58 #define MAX_MGMT_CLASS 80 59 #define MAX_MGMT_VERSION 8 60 #define MAX_MGMT_OUI 8 61 #define MAX_MGMT_VENDOR_RANGE2 (IB_MGMT_CLASS_VENDOR_RANGE2_END - \ 62 IB_MGMT_CLASS_VENDOR_RANGE2_START + 1) 63 64 struct ib_mad_list_head { 65 struct list_head list; 66 struct ib_mad_queue *mad_queue; 67 }; 68 69 struct ib_mad_private_header { 70 struct ib_mad_list_head mad_list; 71 struct ib_mad_recv_wc recv_wc; 72 struct ib_wc wc; 73 DECLARE_PCI_UNMAP_ADDR(mapping) 74 } __attribute__ ((packed)); 75 76 struct ib_mad_private { 77 struct ib_mad_private_header header; 78 struct ib_grh grh; 79 union { 80 struct ib_mad mad; 81 struct ib_rmpp_mad rmpp_mad; 82 struct ib_smp smp; 83 } mad; 84 } __attribute__ ((packed)); 85 86 struct ib_mad_agent_private { 87 struct list_head agent_list; 88 struct ib_mad_agent agent; 89 struct ib_mad_reg_req *reg_req; 90 struct ib_mad_qp_info *qp_info; 91 92 spinlock_t lock; 93 struct list_head send_list; 94 struct list_head wait_list; 95 struct work_struct timed_work; 96 unsigned long timeout; 97 struct list_head local_list; 98 struct work_struct local_work; 99 struct list_head canceled_list; 100 struct work_struct canceled_work; 101 102 atomic_t refcount; 103 wait_queue_head_t wait; 104 u8 rmpp_version; 105 }; 106 107 struct ib_mad_snoop_private { 108 struct ib_mad_agent agent; 109 struct ib_mad_qp_info *qp_info; 110 int snoop_index; 111 int mad_snoop_flags; 112 atomic_t refcount; 113 wait_queue_head_t wait; 114 }; 115 116 struct ib_mad_send_wr_private { 117 struct ib_mad_list_head mad_list; 118 struct list_head agent_list; 119 struct ib_mad_agent *agent; 120 struct ib_send_wr send_wr; 121 struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG]; 122 u64 wr_id; /* client WR ID */ 123 u64 tid; 124 unsigned long timeout; 125 int retry; 126 int refcount; 127 enum ib_wc_status status; 128 }; 129 130 struct ib_mad_local_private { 131 struct list_head completion_list; 132 struct ib_mad_private *mad_priv; 133 struct ib_mad_agent_private *recv_mad_agent; 134 struct ib_send_wr send_wr; 135 struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG]; 136 u64 wr_id; /* client WR ID */ 137 u64 tid; 138 }; 139 140 struct ib_mad_mgmt_method_table { 141 struct ib_mad_agent_private *agent[IB_MGMT_MAX_METHODS]; 142 }; 143 144 struct ib_mad_mgmt_class_table { 145 struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_CLASS]; 146 }; 147 148 struct ib_mad_mgmt_vendor_class { 149 u8 oui[MAX_MGMT_OUI][3]; 150 struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_OUI]; 151 }; 152 153 struct ib_mad_mgmt_vendor_class_table { 154 struct ib_mad_mgmt_vendor_class *vendor_class[MAX_MGMT_VENDOR_RANGE2]; 155 }; 156 157 struct ib_mad_mgmt_version_table { 158 struct ib_mad_mgmt_class_table *class; 159 struct ib_mad_mgmt_vendor_class_table *vendor; 160 }; 161 162 struct ib_mad_queue { 163 spinlock_t lock; 164 struct list_head list; 165 int count; 166 int max_active; 167 struct ib_mad_qp_info *qp_info; 168 }; 169 170 struct ib_mad_qp_info { 171 struct ib_mad_port_private *port_priv; 172 struct ib_qp *qp; 173 struct ib_mad_queue send_queue; 174 struct ib_mad_queue recv_queue; 175 struct list_head overflow_list; 176 spinlock_t snoop_lock; 177 struct ib_mad_snoop_private **snoop_table; 178 int snoop_table_size; 179 atomic_t snoop_count; 180 }; 181 182 struct ib_mad_port_private { 183 struct list_head port_list; 184 struct ib_device *device; 185 int port_num; 186 struct ib_cq *cq; 187 struct ib_pd *pd; 188 struct ib_mr *mr; 189 190 spinlock_t reg_lock; 191 struct ib_mad_mgmt_version_table version[MAX_MGMT_VERSION]; 192 struct list_head agent_list; 193 struct workqueue_struct *wq; 194 struct work_struct work; 195 struct ib_mad_qp_info qp_info[IB_MAD_QPS_CORE]; 196 }; 197 198 extern kmem_cache_t *ib_mad_cache; 199 200 #endif /* __IB_MAD_PRIV_H__ */ 201