Loading...
1/*
2 * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved.
3 * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 *
33 */
34
35#ifndef NES_VERBS_H
36#define NES_VERBS_H
37
38struct nes_device;
39
40#define NES_MAX_USER_DB_REGIONS 4096
41#define NES_MAX_USER_WQ_REGIONS 4096
42
43#define NES_TERM_SENT 0x01
44#define NES_TERM_RCVD 0x02
45#define NES_TERM_DONE 0x04
46
47struct nes_ucontext {
48 struct ib_ucontext ibucontext;
49 struct nes_device *nesdev;
50 unsigned long mmap_wq_offset;
51 unsigned long mmap_cq_offset; /* to be removed */
52 int index; /* rnic index (minor) */
53 unsigned long allocated_doorbells[BITS_TO_LONGS(NES_MAX_USER_DB_REGIONS)];
54 u16 mmap_db_index[NES_MAX_USER_DB_REGIONS];
55 u16 first_free_db;
56 unsigned long allocated_wqs[BITS_TO_LONGS(NES_MAX_USER_WQ_REGIONS)];
57 struct nes_qp *mmap_nesqp[NES_MAX_USER_WQ_REGIONS];
58 u16 first_free_wq;
59 struct list_head cq_reg_mem_list;
60 struct list_head qp_reg_mem_list;
61 u32 mcrqf;
62 atomic_t usecnt;
63};
64
65struct nes_pd {
66 struct ib_pd ibpd;
67 u16 pd_id;
68 atomic_t sqp_count;
69 u16 mmap_db_index;
70};
71
72struct nes_mr {
73 union {
74 struct ib_mr ibmr;
75 struct ib_mw ibmw;
76 struct ib_fmr ibfmr;
77 };
78 struct ib_umem *region;
79 u16 pbls_used;
80 u8 mode;
81 u8 pbl_4k;
82};
83
84struct nes_hw_pb {
85 __le32 pa_low;
86 __le32 pa_high;
87};
88
89struct nes_vpbl {
90 dma_addr_t pbl_pbase;
91 struct nes_hw_pb *pbl_vbase;
92};
93
94struct nes_root_vpbl {
95 dma_addr_t pbl_pbase;
96 struct nes_hw_pb *pbl_vbase;
97 struct nes_vpbl *leaf_vpbl;
98};
99
100struct nes_fmr {
101 struct nes_mr nesmr;
102 u32 leaf_pbl_cnt;
103 struct nes_root_vpbl root_vpbl;
104 struct ib_qp *ib_qp;
105 int access_rights;
106 struct ib_fmr_attr attr;
107};
108
109struct nes_av;
110
111struct nes_cq {
112 struct ib_cq ibcq;
113 struct nes_hw_cq hw_cq;
114 u32 polled_completions;
115 u32 cq_mem_size;
116 spinlock_t lock;
117 u8 virtual_cq;
118 u8 pad[3];
119 u32 mcrqf;
120};
121
122struct nes_wq {
123 spinlock_t lock;
124};
125
126struct disconn_work {
127 struct work_struct work;
128 struct nes_qp *nesqp;
129};
130
131struct iw_cm_id;
132struct ietf_mpa_frame;
133
134struct nes_qp {
135 struct ib_qp ibqp;
136 void *allocated_buffer;
137 struct iw_cm_id *cm_id;
138 struct nes_cq *nesscq;
139 struct nes_cq *nesrcq;
140 struct nes_pd *nespd;
141 void *cm_node; /* handle of the node this QP is associated with */
142 void *ietf_frame;
143 u8 ietf_frame_size;
144 dma_addr_t ietf_frame_pbase;
145 struct ib_mr *lsmm_mr;
146 struct nes_hw_qp hwqp;
147 struct work_struct work;
148 enum ib_qp_state ibqp_state;
149 u32 iwarp_state;
150 u32 hte_index;
151 u32 last_aeq;
152 u32 qp_mem_size;
153 atomic_t refcount;
154 atomic_t close_timer_started;
155 u32 mmap_sq_db_index;
156 u32 mmap_rq_db_index;
157 spinlock_t lock;
158 spinlock_t pau_lock;
159 struct nes_qp_context *nesqp_context;
160 dma_addr_t nesqp_context_pbase;
161 void *pbl_vbase;
162 dma_addr_t pbl_pbase;
163 struct page *page;
164 struct timer_list terminate_timer;
165 enum ib_event_type terminate_eventtype;
166 struct sk_buff_head pau_list;
167 u32 pau_rcv_nxt;
168 u16 active_conn:1;
169 u16 skip_lsmm:1;
170 u16 user_mode:1;
171 u16 hte_added:1;
172 u16 flush_issued:1;
173 u16 destroyed:1;
174 u16 sig_all:1;
175 u16 pau_mode:1;
176 u16 rsvd:8;
177 u16 private_data_len;
178 u16 term_sq_flush_code;
179 u16 term_rq_flush_code;
180 u8 hw_iwarp_state;
181 u8 hw_tcp_state;
182 u8 term_flags;
183 u8 sq_kmapped;
184 u8 pau_busy;
185 u8 pau_pending;
186 u8 pau_state;
187};
188#endif /* NES_VERBS_H */