2 * Copyright (c) 2004, 2005, Voltaire, Inc. All rights reserved.
3 * Copyright (c) 2005 Intel Corporation. All rights reserved.
4 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 * $Id: mad_priv.h 2730 2005-06-28 16:43:03Z sean.hefty $
37 #ifndef __IB_MAD_PRIV_H__
38 #define __IB_MAD_PRIV_H__
40 #include <linux/pci.h>
41 #include <linux/kthread.h>
42 #include <linux/workqueue.h>
43 #include <rdma/ib_mad.h>
44 #include <rdma/ib_smi.h>
47 #define PFX "ib_mad: "
49 #define IB_MAD_QPS_CORE 2 /* Always QP0 and QP1 as a minimum */
51 /* QP and CQ parameters */
52 #define IB_MAD_QP_SEND_SIZE 128
53 #define IB_MAD_QP_RECV_SIZE 512
54 #define IB_MAD_SEND_REQ_MAX_SG 2
55 #define IB_MAD_RECV_REQ_MAX_SG 1
57 #define IB_MAD_SEND_Q_PSN 0
59 /* Registration table sizes */
60 #define MAX_MGMT_CLASS 80
61 #define MAX_MGMT_VERSION 8
62 #define MAX_MGMT_OUI 8
63 #define MAX_MGMT_VENDOR_RANGE2 (IB_MGMT_CLASS_VENDOR_RANGE2_END - \
64 IB_MGMT_CLASS_VENDOR_RANGE2_START + 1)
66 struct ib_mad_list_head {
67 struct list_head list;
68 struct ib_mad_queue *mad_queue;
71 struct ib_mad_private_header {
72 struct ib_mad_list_head mad_list;
73 struct ib_mad_recv_wc recv_wc;
75 DECLARE_PCI_UNMAP_ADDR(mapping)
76 } __attribute__ ((packed));
78 struct ib_mad_private {
79 struct ib_mad_private_header header;
83 struct ib_rmpp_mad rmpp_mad;
86 } __attribute__ ((packed));
88 struct ib_mad_agent_private {
89 struct list_head agent_list;
90 struct ib_mad_agent agent;
91 struct ib_mad_reg_req *reg_req;
92 struct ib_mad_qp_info *qp_info;
95 struct list_head send_list;
96 struct list_head wait_list;
97 struct list_head done_list;
98 struct work_struct timed_work;
99 unsigned long timeout;
100 struct list_head local_list;
101 struct work_struct local_work;
102 struct list_head rmpp_list;
105 wait_queue_head_t wait;
108 struct ib_mad_snoop_private {
109 struct ib_mad_agent agent;
110 struct ib_mad_qp_info *qp_info;
114 wait_queue_head_t wait;
117 struct ib_mad_send_wr_private {
118 struct ib_mad_list_head mad_list;
119 struct list_head agent_list;
120 struct ib_mad_agent_private *mad_agent_priv;
121 struct ib_mad_send_buf send_buf;
122 DECLARE_PCI_UNMAP_ADDR(mapping)
123 struct ib_send_wr send_wr;
124 struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
126 unsigned long timeout;
130 enum ib_wc_status status;
141 struct ib_mad_local_private {
142 struct list_head completion_list;
143 struct ib_mad_private *mad_priv;
144 struct ib_mad_agent_private *recv_mad_agent;
145 struct ib_mad_send_wr_private *mad_send_wr;
148 struct ib_mad_mgmt_method_table {
149 struct ib_mad_agent_private *agent[IB_MGMT_MAX_METHODS];
152 struct ib_mad_mgmt_class_table {
153 struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_CLASS];
156 struct ib_mad_mgmt_vendor_class {
157 u8 oui[MAX_MGMT_OUI][3];
158 struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_OUI];
161 struct ib_mad_mgmt_vendor_class_table {
162 struct ib_mad_mgmt_vendor_class *vendor_class[MAX_MGMT_VENDOR_RANGE2];
165 struct ib_mad_mgmt_version_table {
166 struct ib_mad_mgmt_class_table *class;
167 struct ib_mad_mgmt_vendor_class_table *vendor;
170 struct ib_mad_queue {
172 struct list_head list;
175 struct ib_mad_qp_info *qp_info;
178 struct ib_mad_qp_info {
179 struct ib_mad_port_private *port_priv;
181 struct ib_mad_queue send_queue;
182 struct ib_mad_queue recv_queue;
183 struct list_head overflow_list;
184 spinlock_t snoop_lock;
185 struct ib_mad_snoop_private **snoop_table;
186 int snoop_table_size;
187 atomic_t snoop_count;
190 struct ib_mad_port_private {
191 struct list_head port_list;
192 struct ib_device *device;
199 struct ib_mad_mgmt_version_table version[MAX_MGMT_VERSION];
200 struct list_head agent_list;
201 struct workqueue_struct *wq;
202 struct work_struct work;
203 struct ib_mad_qp_info qp_info[IB_MAD_QPS_CORE];
206 extern kmem_cache_t *ib_mad_cache;
208 int ib_send_mad(struct ib_mad_send_wr_private *mad_send_wr);
210 struct ib_mad_send_wr_private *
211 ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv, __be64 tid);
213 void ib_mad_complete_send_wr(struct ib_mad_send_wr_private *mad_send_wr,
214 struct ib_mad_send_wc *mad_send_wc);
216 void ib_mark_mad_done(struct ib_mad_send_wr_private *mad_send_wr);
218 void ib_reset_mad_timeout(struct ib_mad_send_wr_private *mad_send_wr,
221 #endif /* __IB_MAD_PRIV_H__ */