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__ */