2 * Copyright (c) 2005 Cisco Systems. All rights reserved.
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
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8 * OpenIB.org BSD license below:
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23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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36 #include <linux/types.h>
39 MTHCA_NEXT_DBD = 1 << 7,
40 MTHCA_NEXT_FENCE = 1 << 6,
41 MTHCA_NEXT_CQ_UPDATE = 1 << 3,
42 MTHCA_NEXT_EVENT_GEN = 1 << 2,
43 MTHCA_NEXT_SOLICIT = 1 << 1,
44 MTHCA_NEXT_IP_CSUM = 1 << 4,
45 MTHCA_NEXT_TCP_UDP_CSUM = 1 << 5,
47 MTHCA_MLX_VL15 = 1 << 17,
48 MTHCA_MLX_SLR = 1 << 16
52 MTHCA_INVAL_LKEY = 0x100,
53 MTHCA_TAVOR_MAX_WQES_PER_RECV_DB = 256,
54 MTHCA_ARBEL_MAX_WQES_PER_SEND_DB = 255
57 struct mthca_next_seg {
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 */
64 struct mthca_tavor_ud_seg {
74 struct mthca_arbel_ud_seg {
81 struct mthca_bind_seg {
82 __be32 flags; /* [31] Atomic [30] rem write [29] rem read */
90 struct mthca_raddr_seg {
96 struct mthca_atomic_seg {
101 struct mthca_data_seg {
107 struct mthca_mlx_seg {
110 __be32 flags; /* [17] VL15 [16] SLR [14:12] static rate
111 [11:8] SL [3] C [2] E */
116 static __always_inline void mthca_set_data_seg(struct mthca_data_seg *dseg,
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);
124 static __always_inline void mthca_set_data_seg_inval(struct mthca_data_seg *dseg)
126 dseg->byte_count = 0;
127 dseg->lkey = cpu_to_be32(MTHCA_INVAL_LKEY);
131 #endif /* MTHCA_WQE_H */