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1 /*******************************************************************************
2 *
3 * Copyright (c) 2015-2016 Intel Corporation. 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 * OpenFabrics.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
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22 * provided with the distribution.
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25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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33 *******************************************************************************/
34
35 #ifndef I40IW_VERBS_H
36 #define I40IW_VERBS_H
37
38 struct i40iw_ucontext {
39 struct ib_ucontext ibucontext;
40 struct i40iw_device *iwdev;
41 struct list_head cq_reg_mem_list;
42 spinlock_t cq_reg_mem_list_lock; /* memory list for cq's */
43 struct list_head qp_reg_mem_list;
44 spinlock_t qp_reg_mem_list_lock; /* memory list for qp's */
45 int abi_ver;
46 };
47
48 struct i40iw_pd {
49 struct ib_pd ibpd;
50 struct i40iw_sc_pd sc_pd;
51 atomic_t usecount;
52 };
53
54 struct i40iw_hmc_pble {
55 union {
56 u32 idx;
57 dma_addr_t addr;
58 };
59 };
60
61 struct i40iw_cq_mr {
62 struct i40iw_hmc_pble cq_pbl;
63 dma_addr_t shadow;
64 };
65
66 struct i40iw_qp_mr {
67 struct i40iw_hmc_pble sq_pbl;
68 struct i40iw_hmc_pble rq_pbl;
69 dma_addr_t shadow;
70 struct page *sq_page;
71 };
72
73 struct i40iw_pbl {
74 struct list_head list;
75 union {
76 struct i40iw_qp_mr qp_mr;
77 struct i40iw_cq_mr cq_mr;
78 };
79
80 bool pbl_allocated;
81 u64 user_base;
82 struct i40iw_pble_alloc pble_alloc;
83 struct i40iw_mr *iwmr;
84 };
85
86 #define MAX_SAVE_PAGE_ADDRS 4
87 struct i40iw_mr {
88 union {
89 struct ib_mr ibmr;
90 struct ib_mw ibmw;
91 struct ib_fmr ibfmr;
92 };
93 struct ib_umem *region;
94 u16 type;
95 u32 page_cnt;
96 u32 page_size;
97 u64 page_msk;
98 u32 npages;
99 u32 stag;
100 u64 length;
101 u64 pgaddrmem[MAX_SAVE_PAGE_ADDRS];
102 struct i40iw_pbl iwpbl;
103 };
104
105 struct i40iw_cq {
106 struct ib_cq ibcq;
107 struct i40iw_sc_cq sc_cq;
108 u16 cq_head;
109 u16 cq_size;
110 u16 cq_number;
111 bool user_mode;
112 u32 polled_completions;
113 u32 cq_mem_size;
114 struct i40iw_dma_mem kmem;
115 spinlock_t lock; /* for poll cq */
116 struct i40iw_pbl *iwpbl;
117 };
118
119 struct disconn_work {
120 struct work_struct work;
121 struct i40iw_qp *iwqp;
122 };
123
124 struct iw_cm_id;
125 struct ietf_mpa_frame;
126 struct i40iw_ud_file;
127
128 struct i40iw_qp_kmode {
129 struct i40iw_dma_mem dma_mem;
130 u64 *wrid_mem;
131 };
132
133 struct i40iw_qp {
134 struct ib_qp ibqp;
135 struct i40iw_sc_qp sc_qp;
136 struct i40iw_device *iwdev;
137 struct i40iw_cq *iwscq;
138 struct i40iw_cq *iwrcq;
139 struct i40iw_pd *iwpd;
140 struct i40iw_qp_host_ctx_info ctx_info;
141 struct i40iwarp_offload_info iwarp_info;
142 void *allocated_buffer;
143 atomic_t refcount;
144 struct iw_cm_id *cm_id;
145 void *cm_node;
146 struct ib_mr *lsmm_mr;
147 struct work_struct work;
148 enum ib_qp_state ibqp_state;
149 u32 iwarp_state;
150 u32 qp_mem_size;
151 u32 last_aeq;
152 atomic_t close_timer_started;
153 spinlock_t lock; /* for post work requests */
154 struct i40iw_qp_context *iwqp_context;
155 void *pbl_vbase;
156 dma_addr_t pbl_pbase;
157 struct page *page;
158 u8 active_conn:1;
159 u8 user_mode:1;
160 u8 hte_added:1;
161 u8 flush_issued:1;
162 u8 destroyed:1;
163 u8 sig_all:1;
164 u8 pau_mode:1;
165 u8 rsvd:1;
166 u16 term_sq_flush_code;
167 u16 term_rq_flush_code;
168 u8 hw_iwarp_state;
169 u8 hw_tcp_state;
170 struct i40iw_qp_kmode kqp;
171 struct i40iw_dma_mem host_ctx;
172 struct timer_list terminate_timer;
173 struct i40iw_pbl iwpbl;
174 struct i40iw_dma_mem q2_ctx_mem;
175 struct i40iw_dma_mem ietf_mem;
176 struct completion sq_drained;
177 struct completion rq_drained;
178 };
179 #endif