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mthca_wqe.h
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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
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7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
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10  * Redistribution and use in source and binary forms, with or
11  * without modification, are permitted provided that the following
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14  * - Redistributions of source code must retain the above
15  * copyright notice, this list of conditions and the following
16  * disclaimer.
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31  */
32 
33 #ifndef MTHCA_WQE_H
34 #define MTHCA_WQE_H
35 
36 #include <linux/types.h>
37 
38 enum {
39  MTHCA_NEXT_DBD = 1 << 7,
40  MTHCA_NEXT_FENCE = 1 << 6,
46 
47  MTHCA_MLX_VL15 = 1 << 17,
48  MTHCA_MLX_SLR = 1 << 16
49 };
50 
51 enum {
55 };
56 
58  __be32 nda_op; /* [31:6] next WQE [4:0] next opcode */
59  __be32 ee_nds; /* [31:8] next EE [7] DBD [6] F [5:0] next WQE size */
60  __be32 flags; /* [3] CQ [2] Event [1] Solicit */
61  __be32 imm; /* immediate data */
62 };
63 
72 };
73 
75  __be32 av[8];
79 };
80 
82  __be32 flags; /* [31] Atomic [30] rem write [29] rem read */
88 };
89 
94 };
95 
99 };
100 
105 };
106 
110  __be32 flags; /* [17] VL15 [16] SLR [14:12] static rate
111  [11:8] SL [3] C [2] E */
114 };
115 
116 static __always_inline void mthca_set_data_seg(struct mthca_data_seg *dseg,
117  struct ib_sge *sg)
118 {
119  dseg->byte_count = cpu_to_be32(sg->length);
120  dseg->lkey = cpu_to_be32(sg->lkey);
121  dseg->addr = cpu_to_be64(sg->addr);
122 }
123 
124 static __always_inline void mthca_set_data_seg_inval(struct mthca_data_seg *dseg)
125 {
126  dseg->byte_count = 0;
128  dseg->addr = 0;
129 }
130 
131 #endif /* MTHCA_WQE_H */