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 DECLARE_PCI_UNMAP_ADDR(mapping) 73 } __attribute__ ((packed)); 74 75 struct ib_mad_private { 76 struct ib_mad_private_header header; 77 struct ib_grh grh; 78 union { 79 struct ib_mad mad; 80 struct ib_rmpp_mad rmpp_mad; 81 struct ib_smp smp; 82 } mad; 83 } __attribute__ ((packed)); 84 85 struct ib_mad_agent_private { 86 struct list_head agent_list; 87 struct ib_mad_agent agent; 88 struct ib_mad_reg_req *reg_req; 89 struct ib_mad_qp_info *qp_info; 90 91 spinlock_t lock; 92 struct list_head send_list; 93 struct list_head wait_list; 94 struct work_struct timed_work; 95 unsigned long timeout; 96 struct list_head local_list; 97 struct work_struct local_work; 98 struct list_head canceled_list; 99 struct work_struct canceled_work; 100 101 atomic_t refcount; 102 wait_queue_head_t wait; 103 u8 rmpp_version; 104 }; 105 106 struct ib_mad_snoop_private { 107 struct ib_mad_agent agent; 108 struct ib_mad_qp_info *qp_info; 109 int snoop_index; 110 int mad_snoop_flags; 111 atomic_t refcount; 112 wait_queue_head_t wait; 113 }; 114 115 struct ib_mad_send_wr_private { 116 struct ib_mad_list_head mad_list; 117 struct list_head agent_list; 118 struct ib_mad_agent *agent; 119 struct ib_send_wr send_wr; 120 struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG]; 121 u64 wr_id; /* client WR ID */ 122 u64 tid; 123 unsigned long timeout; 124 int retry; 125 int refcount; 126 enum ib_wc_status status; 127 }; 128 129 struct ib_mad_local_private { 130 struct list_head completion_list; 131 struct ib_mad_private *mad_priv; 132 struct ib_mad_agent_private *recv_mad_agent; 133 struct ib_send_wr send_wr; 134 struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG]; 135 u64 wr_id; /* client WR ID */ 136 u64 tid; 137 }; 138 139 struct ib_mad_mgmt_method_table { 140 struct ib_mad_agent_private *agent[IB_MGMT_MAX_METHODS]; 141 }; 142 143 struct ib_mad_mgmt_class_table { 144 struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_CLASS]; 145 }; 146 147 struct ib_mad_mgmt_vendor_class { 148 u8 oui[MAX_MGMT_OUI][3]; 149 struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_OUI]; 150 }; 151 152 struct ib_mad_mgmt_vendor_class_table { 153 struct ib_mad_mgmt_vendor_class *vendor_class[MAX_MGMT_VENDOR_RANGE2]; 154 }; 155 156 struct ib_mad_mgmt_version_table { 157 struct ib_mad_mgmt_class_table *class; 158 struct ib_mad_mgmt_vendor_class_table *vendor; 159 }; 160 161 struct ib_mad_queue { 162 spinlock_t lock; 163 struct list_head list; 164 int count; 165 int max_active; 166 struct ib_mad_qp_info *qp_info; 167 }; 168 169 struct ib_mad_qp_info { 170 struct ib_mad_port_private *port_priv; 171 struct ib_qp *qp; 172 struct ib_mad_queue send_queue; 173 struct ib_mad_queue recv_queue; 174 struct list_head overflow_list; 175 spinlock_t snoop_lock; 176 struct ib_mad_snoop_private **snoop_table; 177 int snoop_table_size; 178 atomic_t snoop_count; 179 }; 180 181 struct ib_mad_port_private { 182 struct list_head port_list; 183 struct ib_device *device; 184 int port_num; 185 struct ib_cq *cq; 186 struct ib_pd *pd; 187 struct ib_mr *mr; 188 189 spinlock_t reg_lock; 190 struct ib_mad_mgmt_version_table version[MAX_MGMT_VERSION]; 191 struct list_head agent_list; 192 struct workqueue_struct *wq; 193 struct work_struct work; 194 struct ib_mad_qp_info qp_info[IB_MAD_QPS_CORE]; 195 }; 196 197 extern kmem_cache_t *ib_mad_cache; 198 199 #endif /* __IB_MAD_PRIV_H__ */ 200