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1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2004, 2005, Voltaire, Inc. All rights reserved. | |
fa619a77 HR |
3 | * Copyright (c) 2005 Intel Corporation. All rights reserved. |
4 | * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. | |
1da177e4 LT |
5 | * |
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: | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or | |
13 | * without modification, are permitted provided that the following | |
14 | * conditions are met: | |
15 | * | |
16 | * - Redistributions of source code must retain the above | |
17 | * copyright notice, this list of conditions and the following | |
18 | * disclaimer. | |
19 | * | |
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. | |
24 | * | |
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 | |
32 | * SOFTWARE. | |
33 | * | |
fa619a77 | 34 | * $Id: mad_priv.h 2730 2005-06-28 16:43:03Z sean.hefty $ |
1da177e4 LT |
35 | */ |
36 | ||
37 | #ifndef __IB_MAD_PRIV_H__ | |
38 | #define __IB_MAD_PRIV_H__ | |
39 | ||
40 | #include <linux/pci.h> | |
41 | #include <linux/kthread.h> | |
42 | #include <linux/workqueue.h> | |
a4d61e84 RD |
43 | #include <rdma/ib_mad.h> |
44 | #include <rdma/ib_smi.h> | |
1da177e4 LT |
45 | |
46 | ||
47 | #define PFX "ib_mad: " | |
48 | ||
49 | #define IB_MAD_QPS_CORE 2 /* Always QP0 and QP1 as a minimum */ | |
50 | ||
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 | |
56 | ||
57 | #define IB_MAD_SEND_Q_PSN 0 | |
58 | ||
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) | |
65 | ||
66 | struct ib_mad_list_head { | |
67 | struct list_head list; | |
68 | struct ib_mad_queue *mad_queue; | |
69 | }; | |
70 | ||
71 | struct ib_mad_private_header { | |
72 | struct ib_mad_list_head mad_list; | |
73 | struct ib_mad_recv_wc recv_wc; | |
24239aff | 74 | struct ib_wc wc; |
1da177e4 LT |
75 | DECLARE_PCI_UNMAP_ADDR(mapping) |
76 | } __attribute__ ((packed)); | |
77 | ||
78 | struct ib_mad_private { | |
79 | struct ib_mad_private_header header; | |
80 | struct ib_grh grh; | |
81 | union { | |
82 | struct ib_mad mad; | |
83 | struct ib_rmpp_mad rmpp_mad; | |
84 | struct ib_smp smp; | |
85 | } mad; | |
86 | } __attribute__ ((packed)); | |
87 | ||
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; | |
93 | ||
94 | spinlock_t lock; | |
95 | struct list_head send_list; | |
96 | struct list_head wait_list; | |
6a0c435e | 97 | struct list_head done_list; |
1da177e4 LT |
98 | struct work_struct timed_work; |
99 | unsigned long timeout; | |
100 | struct list_head local_list; | |
101 | struct work_struct local_work; | |
fa619a77 | 102 | struct list_head rmpp_list; |
1da177e4 LT |
103 | |
104 | atomic_t refcount; | |
105 | wait_queue_head_t wait; | |
1da177e4 LT |
106 | }; |
107 | ||
108 | struct ib_mad_snoop_private { | |
109 | struct ib_mad_agent agent; | |
110 | struct ib_mad_qp_info *qp_info; | |
111 | int snoop_index; | |
112 | int mad_snoop_flags; | |
113 | atomic_t refcount; | |
114 | wait_queue_head_t wait; | |
115 | }; | |
116 | ||
117 | struct ib_mad_send_wr_private { | |
118 | struct ib_mad_list_head mad_list; | |
119 | struct list_head agent_list; | |
d760ce8f | 120 | struct ib_mad_agent_private *mad_agent_priv; |
34816ad9 SH |
121 | struct ib_mad_send_buf send_buf; |
122 | DECLARE_PCI_UNMAP_ADDR(mapping) | |
1da177e4 LT |
123 | struct ib_send_wr send_wr; |
124 | struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG]; | |
97f52eb4 | 125 | __be64 tid; |
1da177e4 | 126 | unsigned long timeout; |
f75b7a52 | 127 | int retries; |
1da177e4 LT |
128 | int retry; |
129 | int refcount; | |
130 | enum ib_wc_status status; | |
fa619a77 HR |
131 | |
132 | /* RMPP control */ | |
133 | int last_ack; | |
134 | int seg_num; | |
135 | int newwin; | |
136 | int total_seg; | |
137 | int data_offset; | |
138 | int pad; | |
1da177e4 LT |
139 | }; |
140 | ||
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; | |
34816ad9 | 145 | struct ib_mad_send_wr_private *mad_send_wr; |
1da177e4 LT |
146 | }; |
147 | ||
148 | struct ib_mad_mgmt_method_table { | |
149 | struct ib_mad_agent_private *agent[IB_MGMT_MAX_METHODS]; | |
150 | }; | |
151 | ||
152 | struct ib_mad_mgmt_class_table { | |
153 | struct ib_mad_mgmt_method_table *method_table[MAX_MGMT_CLASS]; | |
154 | }; | |
155 | ||
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]; | |
159 | }; | |
160 | ||
161 | struct ib_mad_mgmt_vendor_class_table { | |
162 | struct ib_mad_mgmt_vendor_class *vendor_class[MAX_MGMT_VENDOR_RANGE2]; | |
163 | }; | |
164 | ||
165 | struct ib_mad_mgmt_version_table { | |
166 | struct ib_mad_mgmt_class_table *class; | |
167 | struct ib_mad_mgmt_vendor_class_table *vendor; | |
168 | }; | |
169 | ||
170 | struct ib_mad_queue { | |
171 | spinlock_t lock; | |
172 | struct list_head list; | |
173 | int count; | |
174 | int max_active; | |
175 | struct ib_mad_qp_info *qp_info; | |
176 | }; | |
177 | ||
178 | struct ib_mad_qp_info { | |
179 | struct ib_mad_port_private *port_priv; | |
180 | struct ib_qp *qp; | |
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; | |
188 | }; | |
189 | ||
190 | struct ib_mad_port_private { | |
191 | struct list_head port_list; | |
192 | struct ib_device *device; | |
193 | int port_num; | |
194 | struct ib_cq *cq; | |
195 | struct ib_pd *pd; | |
196 | struct ib_mr *mr; | |
197 | ||
198 | spinlock_t reg_lock; | |
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]; | |
204 | }; | |
205 | ||
206 | extern kmem_cache_t *ib_mad_cache; | |
207 | ||
fa619a77 HR |
208 | int ib_send_mad(struct ib_mad_send_wr_private *mad_send_wr); |
209 | ||
210 | struct ib_mad_send_wr_private * | |
97f52eb4 | 211 | ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv, __be64 tid); |
fa619a77 HR |
212 | |
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); | |
215 | ||
216 | void ib_mark_mad_done(struct ib_mad_send_wr_private *mad_send_wr); | |
217 | ||
218 | void ib_reset_mad_timeout(struct ib_mad_send_wr_private *mad_send_wr, | |
219 | int timeout_ms); | |
220 | ||
1da177e4 | 221 | #endif /* __IB_MAD_PRIV_H__ */ |