2 * Copyright (c) 2004, 2005, Voltaire, Inc. All rights reserved.
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:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
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.
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
32 * $Id: mad_priv.h 1389 2004-12-27 22:56:47Z roland $
35 #ifndef __IB_MAD_PRIV_H__
36 #define __IB_MAD_PRIV_H__
38 #include <linux/pci.h>
39 #include <linux/kthread.h>
40 #include <linux/workqueue.h>
45 #define PFX "ib_mad: "
47 #define IB_MAD_QPS_CORE 2 /* Always QP0 and QP1 as a minimum */
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
55 #define IB_MAD_SEND_Q_PSN 0
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)
64 struct ib_mad_list_head {
65 struct list_head list;
66 struct ib_mad_queue *mad_queue;
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));
75 struct ib_mad_private {
76 struct ib_mad_private_header header;
80 struct ib_rmpp_mad rmpp_mad;
83 } __attribute__ ((packed));
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;
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;
102 wait_queue_head_t wait;
106 struct ib_mad_snoop_private {
107 struct ib_mad_agent agent;
108 struct ib_mad_qp_info *qp_info;
112 wait_queue_head_t wait;
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 */
123 unsigned long timeout;
126 enum ib_wc_status status;
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 */
139 struct ib_mad_mgmt_method_table {
140 struct ib_mad_agent_private *agent[IB_MGMT_MAX_METHODS];
143 struct ib_mad_mgmt_class_table {
144 struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_CLASS];
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];
152 struct ib_mad_mgmt_vendor_class_table {
153 struct ib_mad_mgmt_vendor_class *vendor_class[MAX_MGMT_VENDOR_RANGE2];
156 struct ib_mad_mgmt_version_table {
157 struct ib_mad_mgmt_class_table *class;
158 struct ib_mad_mgmt_vendor_class_table *vendor;
161 struct ib_mad_queue {
163 struct list_head list;
166 struct ib_mad_qp_info *qp_info;
169 struct ib_mad_qp_info {
170 struct ib_mad_port_private *port_priv;
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;
181 struct ib_mad_port_private {
182 struct list_head port_list;
183 struct ib_device *device;
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];
197 extern kmem_cache_t *ib_mad_cache;
199 #endif /* __IB_MAD_PRIV_H__ */