xref: /linux/drivers/infiniband/hw/mthca/mthca_wqe.h (revision 16dab54b8cbac39bd3f639db5d7d0fd8300a6cb0)
1 /*
2  * Copyright (c) 2005 Cisco Systems. All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  *
32  * $Id: mthca_wqe.h 3047 2005-08-10 03:59:35Z roland $
33  */
34 
35 #ifndef MTHCA_WQE_H
36 #define MTHCA_WQE_H
37 
38 #include <linux/types.h>
39 
40 enum {
41 	MTHCA_NEXT_DBD       = 1 << 7,
42 	MTHCA_NEXT_FENCE     = 1 << 6,
43 	MTHCA_NEXT_CQ_UPDATE = 1 << 3,
44 	MTHCA_NEXT_EVENT_GEN = 1 << 2,
45 	MTHCA_NEXT_SOLICIT   = 1 << 1,
46 
47 	MTHCA_MLX_VL15       = 1 << 17,
48 	MTHCA_MLX_SLR        = 1 << 16
49 };
50 
51 enum {
52 	MTHCA_INVAL_LKEY = 0x100
53 };
54 
55 struct mthca_next_seg {
56 	__be32 nda_op;		/* [31:6] next WQE [4:0] next opcode */
57 	__be32 ee_nds;		/* [31:8] next EE  [7] DBD [6] F [5:0] next WQE size */
58 	__be32 flags;		/* [3] CQ [2] Event [1] Solicit */
59 	__be32 imm;		/* immediate data */
60 };
61 
62 struct mthca_tavor_ud_seg {
63 	u32    reserved1;
64 	__be32 lkey;
65 	__be64 av_addr;
66 	u32    reserved2[4];
67 	__be32 dqpn;
68 	__be32 qkey;
69 	u32    reserved3[2];
70 };
71 
72 struct mthca_arbel_ud_seg {
73 	__be32 av[8];
74 	__be32 dqpn;
75 	__be32 qkey;
76 	u32    reserved[2];
77 };
78 
79 struct mthca_bind_seg {
80 	__be32 flags;		/* [31] Atomic [30] rem write [29] rem read */
81 	u32    reserved;
82 	__be32 new_rkey;
83 	__be32 lkey;
84 	__be64 addr;
85 	__be64 length;
86 };
87 
88 struct mthca_raddr_seg {
89 	__be64 raddr;
90 	__be32 rkey;
91 	u32    reserved;
92 };
93 
94 struct mthca_atomic_seg {
95 	__be64 swap_add;
96 	__be64 compare;
97 };
98 
99 struct mthca_data_seg {
100 	__be32 byte_count;
101 	__be32 lkey;
102 	__be64 addr;
103 };
104 
105 struct mthca_mlx_seg {
106 	__be32 nda_op;
107 	__be32 nds;
108 	__be32 flags;		/* [17] VL15 [16] SLR [14:12] static rate
109 				   [11:8] SL [3] C [2] E */
110 	__be16 rlid;
111 	__be16 vcrc;
112 };
113 
114 #endif /* MTHCA_WQE_H */
115