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131 lines
3.3 KiB
131 lines
3.3 KiB
/* |
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* Copyright (c) 2005 Cisco Systems. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* OpenIB.org BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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#ifndef MTHCA_WQE_H |
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#define MTHCA_WQE_H |
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#include <linux/types.h> |
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enum { |
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MTHCA_NEXT_DBD = 1 << 7, |
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MTHCA_NEXT_FENCE = 1 << 6, |
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MTHCA_NEXT_CQ_UPDATE = 1 << 3, |
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MTHCA_NEXT_EVENT_GEN = 1 << 2, |
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MTHCA_NEXT_SOLICIT = 1 << 1, |
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MTHCA_NEXT_IP_CSUM = 1 << 4, |
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MTHCA_NEXT_TCP_UDP_CSUM = 1 << 5, |
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MTHCA_MLX_VL15 = 1 << 17, |
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MTHCA_MLX_SLR = 1 << 16 |
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}; |
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enum { |
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MTHCA_INVAL_LKEY = 0x100, |
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MTHCA_TAVOR_MAX_WQES_PER_RECV_DB = 256, |
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MTHCA_ARBEL_MAX_WQES_PER_SEND_DB = 255 |
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}; |
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struct mthca_next_seg { |
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__be32 nda_op; /* [31:6] next WQE [4:0] next opcode */ |
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__be32 ee_nds; /* [31:8] next EE [7] DBD [6] F [5:0] next WQE size */ |
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__be32 flags; /* [3] CQ [2] Event [1] Solicit */ |
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__be32 imm; /* immediate data */ |
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}; |
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struct mthca_tavor_ud_seg { |
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u32 reserved1; |
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__be32 lkey; |
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__be64 av_addr; |
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u32 reserved2[4]; |
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__be32 dqpn; |
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__be32 qkey; |
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u32 reserved3[2]; |
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}; |
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struct mthca_arbel_ud_seg { |
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__be32 av[8]; |
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__be32 dqpn; |
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__be32 qkey; |
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u32 reserved[2]; |
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}; |
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struct mthca_bind_seg { |
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__be32 flags; /* [31] Atomic [30] rem write [29] rem read */ |
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u32 reserved; |
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__be32 new_rkey; |
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__be32 lkey; |
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__be64 addr; |
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__be64 length; |
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}; |
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struct mthca_raddr_seg { |
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__be64 raddr; |
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__be32 rkey; |
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u32 reserved; |
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}; |
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struct mthca_atomic_seg { |
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__be64 swap_add; |
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__be64 compare; |
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}; |
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struct mthca_data_seg { |
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__be32 byte_count; |
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__be32 lkey; |
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__be64 addr; |
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}; |
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struct mthca_mlx_seg { |
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__be32 nda_op; |
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__be32 nds; |
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__be32 flags; /* [17] VL15 [16] SLR [14:12] static rate |
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[11:8] SL [3] C [2] E */ |
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__be16 rlid; |
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__be16 vcrc; |
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}; |
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static __always_inline void mthca_set_data_seg(struct mthca_data_seg *dseg, |
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struct ib_sge *sg) |
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{ |
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dseg->byte_count = cpu_to_be32(sg->length); |
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dseg->lkey = cpu_to_be32(sg->lkey); |
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dseg->addr = cpu_to_be64(sg->addr); |
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} |
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static __always_inline void mthca_set_data_seg_inval(struct mthca_data_seg *dseg) |
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{ |
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dseg->byte_count = 0; |
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dseg->lkey = cpu_to_be32(MTHCA_INVAL_LKEY); |
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dseg->addr = 0; |
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} |
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#endif /* MTHCA_WQE_H */
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