summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/hw/nes/nes_verbs.h
blob: 5e48f67fbe8dcd458018243084989648d2bfd778 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
/*
 * Copyright (c) 2006 - 2009 Intel-NE, Inc.  All rights reserved.
 * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#ifndef NES_VERBS_H
#define NES_VERBS_H

struct nes_device;

#define NES_MAX_USER_DB_REGIONS  4096
#define NES_MAX_USER_WQ_REGIONS  4096

struct nes_ucontext {
	struct ib_ucontext ibucontext;
	struct nes_device  *nesdev;
	unsigned long      mmap_wq_offset;
	unsigned long      mmap_cq_offset; /* to be removed */
	int                index;		/* rnic index (minor) */
	unsigned long      allocated_doorbells[BITS_TO_LONGS(NES_MAX_USER_DB_REGIONS)];
	u16                mmap_db_index[NES_MAX_USER_DB_REGIONS];
	u16                first_free_db;
	unsigned long      allocated_wqs[BITS_TO_LONGS(NES_MAX_USER_WQ_REGIONS)];
	struct nes_qp      *mmap_nesqp[NES_MAX_USER_WQ_REGIONS];
	u16                first_free_wq;
	struct list_head   cq_reg_mem_list;
	struct list_head   qp_reg_mem_list;
	u32                mcrqf;
	atomic_t	   usecnt;
};

struct nes_pd {
	struct ib_pd ibpd;
	u16          pd_id;
	atomic_t     sqp_count;
	u16          mmap_db_index;
};

struct nes_mr {
	union {
		struct ib_mr  ibmr;
		struct ib_mw  ibmw;
		struct ib_fmr ibfmr;
	};
	struct ib_umem    *region;
	u16               pbls_used;
	u8                mode;
	u8                pbl_4k;
};

struct nes_hw_pb {
	__le32 pa_low;
	__le32 pa_high;
};

struct nes_vpbl {
	dma_addr_t       pbl_pbase;
	struct nes_hw_pb *pbl_vbase;
};

struct nes_root_vpbl {
	dma_addr_t       pbl_pbase;
	struct nes_hw_pb *pbl_vbase;
	struct nes_vpbl  *leaf_vpbl;
};

struct nes_fmr {
	struct nes_mr        nesmr;
	u32                  leaf_pbl_cnt;
	struct nes_root_vpbl root_vpbl;
	struct ib_qp         *ib_qp;
	int                  access_rights;
	struct ib_fmr_attr   attr;
};

struct nes_av;

struct nes_cq {
	struct ib_cq     ibcq;
	struct nes_hw_cq hw_cq;
	u32              polled_completions;
	u32              cq_mem_size;
	spinlock_t       lock;
	u8               virtual_cq;
	u8               pad[3];
};

struct nes_wq {
	spinlock_t lock;
};

struct iw_cm_id;
struct ietf_mpa_frame;

struct nes_qp {
	struct ib_qp          ibqp;
	void                  *allocated_buffer;
	struct iw_cm_id       *cm_id;
	struct workqueue_struct *wq;
	struct work_struct    disconn_work;
	struct nes_cq         *nesscq;
	struct nes_cq         *nesrcq;
	struct nes_pd         *nespd;
	void *cm_node; /* handle of the node this QP is associated with */
	struct ietf_mpa_frame *ietf_frame;
	dma_addr_t            ietf_frame_pbase;
	wait_queue_head_t     state_waitq;
	struct ib_mr          *lsmm_mr;
	unsigned long         socket;
	struct nes_hw_qp      hwqp;
	struct work_struct    work;
	struct work_struct    ae_work;
	enum ib_qp_state      ibqp_state;
	u32                   iwarp_state;
	u32                   hte_index;
	u32                   last_aeq;
	u32                   qp_mem_size;
	atomic_t              refcount;
	atomic_t              close_timer_started;
	u32                   mmap_sq_db_index;
	u32                   mmap_rq_db_index;
	spinlock_t            lock;
	struct nes_qp_context *nesqp_context;
	dma_addr_t            nesqp_context_pbase;
	void	              *pbl_vbase;
	dma_addr_t            pbl_pbase;
	struct page           *page;
	wait_queue_head_t     kick_waitq;
	u16                   in_disconnect;
	u16                   private_data_len;
	u8                    active_conn;
	u8                    skip_lsmm;
	u8                    user_mode;
	u8                    hte_added;
	u8                    hw_iwarp_state;
	u8                    flush_issued;
	u8                    hw_tcp_state;
	u8                    disconn_pending;
	u8                    destroyed;
};
#endif			/* NES_VERBS_H */
OpenPOWER on IntegriCloud