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
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 I40IW_VERBS_H
36#define I40IW_VERBS_H
37
38struct 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
48struct i40iw_pd {
49	struct ib_pd ibpd;
50	struct i40iw_sc_pd sc_pd;
51	atomic_t usecount;
52};
53
54struct i40iw_hmc_pble {
55	union {
56		u32 idx;
57		dma_addr_t addr;
58	};
59};
60
61struct i40iw_cq_mr {
62	struct i40iw_hmc_pble cq_pbl;
63	dma_addr_t shadow;
64};
65
66struct 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
73struct 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	bool on_list;
82	u64 user_base;
83	struct i40iw_pble_alloc pble_alloc;
84	struct i40iw_mr *iwmr;
85};
86
87#define MAX_SAVE_PAGE_ADDRS     4
88struct i40iw_mr {
89	union {
90		struct ib_mr ibmr;
91		struct ib_mw ibmw;
92	};
93	struct ib_umem *region;
94	u16 type;
95	u32 page_cnt;
96	u64 page_size;
97	u32 npages;
98	u32 stag;
99	u64 length;
100	u64 pgaddrmem[MAX_SAVE_PAGE_ADDRS];
101	struct i40iw_pbl iwpbl;
102};
103
104struct i40iw_cq {
105	struct ib_cq ibcq;
106	struct i40iw_sc_cq sc_cq;
107	u16 cq_head;
108	u16 cq_size;
109	u16 cq_number;
110	bool user_mode;
111	u32 polled_completions;
112	u32 cq_mem_size;
113	struct i40iw_dma_mem kmem;
114	spinlock_t lock; /* for poll cq */
115	struct i40iw_pbl *iwpbl;
116};
117
118struct disconn_work {
119	struct work_struct work;
120	struct i40iw_qp *iwqp;
121};
122
123struct iw_cm_id;
124struct ietf_mpa_frame;
125struct i40iw_ud_file;
126
127struct i40iw_qp_kmode {
128	struct i40iw_dma_mem dma_mem;
129	u64 *wrid_mem;
130};
131
132struct i40iw_qp {
133	struct ib_qp ibqp;
134	struct i40iw_sc_qp sc_qp;
135	struct i40iw_device *iwdev;
136	struct i40iw_cq *iwscq;
137	struct i40iw_cq *iwrcq;
138	struct i40iw_pd *iwpd;
139	struct i40iw_qp_host_ctx_info ctx_info;
140	struct i40iwarp_offload_info iwarp_info;
141	void *allocated_buffer;
142	refcount_t refcount;
143	struct iw_cm_id *cm_id;
144	void *cm_node;
145	struct ib_mr *lsmm_mr;
146	struct work_struct work;
147	enum ib_qp_state ibqp_state;
148	u32 iwarp_state;
149	u32 qp_mem_size;
150	u32 last_aeq;
151	atomic_t close_timer_started;
152	spinlock_t lock; /* for post work requests */
153	struct i40iw_qp_context *iwqp_context;
154	void *pbl_vbase;
155	dma_addr_t pbl_pbase;
156	struct page *page;
157	u8 active_conn:1;
158	u8 user_mode:1;
159	u8 hte_added:1;
160	u8 flush_issued:1;
161	u8 destroyed:1;
162	u8 sig_all:1;
163	u8 pau_mode:1;
164	u8 rsvd:1;
165	u16 term_sq_flush_code;
166	u16 term_rq_flush_code;
167	u8 hw_iwarp_state;
168	u8 hw_tcp_state;
169	struct i40iw_qp_kmode kqp;
170	struct i40iw_dma_mem host_ctx;
171	struct timer_list terminate_timer;
172	struct i40iw_pbl iwpbl;
173	struct i40iw_dma_mem q2_ctx_mem;
174	struct i40iw_dma_mem ietf_mem;
175	struct completion sq_drained;
176	struct completion rq_drained;
177	struct completion free_qp;
178};
179#endif
180