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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [mlx4/] [qp.h] - Blame information for rev 62

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1 62 marcus.erl
/*
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 * Copyright (c) 2007 Cisco Systems, Inc.  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 MLX4_QP_H
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#define MLX4_QP_H
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#include <linux/types.h>
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#include <linux/mlx4/device.h>
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#define MLX4_INVALID_LKEY       0x100
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enum mlx4_qp_optpar {
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        MLX4_QP_OPTPAR_ALT_ADDR_PATH            = 1 << 0,
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        MLX4_QP_OPTPAR_RRE                      = 1 << 1,
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        MLX4_QP_OPTPAR_RAE                      = 1 << 2,
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        MLX4_QP_OPTPAR_RWE                      = 1 << 3,
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        MLX4_QP_OPTPAR_PKEY_INDEX               = 1 << 4,
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        MLX4_QP_OPTPAR_Q_KEY                    = 1 << 5,
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        MLX4_QP_OPTPAR_RNR_TIMEOUT              = 1 << 6,
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        MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH        = 1 << 7,
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        MLX4_QP_OPTPAR_SRA_MAX                  = 1 << 8,
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        MLX4_QP_OPTPAR_RRA_MAX                  = 1 << 9,
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        MLX4_QP_OPTPAR_PM_STATE                 = 1 << 10,
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        MLX4_QP_OPTPAR_RETRY_COUNT              = 1 << 12,
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        MLX4_QP_OPTPAR_RNR_RETRY                = 1 << 13,
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        MLX4_QP_OPTPAR_ACK_TIMEOUT              = 1 << 14,
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        MLX4_QP_OPTPAR_SCHED_QUEUE              = 1 << 16
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};
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enum mlx4_qp_state {
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        MLX4_QP_STATE_RST                       = 0,
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        MLX4_QP_STATE_INIT                      = 1,
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        MLX4_QP_STATE_RTR                       = 2,
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        MLX4_QP_STATE_RTS                       = 3,
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        MLX4_QP_STATE_SQER                      = 4,
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        MLX4_QP_STATE_SQD                       = 5,
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        MLX4_QP_STATE_ERR                       = 6,
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        MLX4_QP_STATE_SQ_DRAINING               = 7,
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        MLX4_QP_NUM_STATE
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};
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enum {
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        MLX4_QP_ST_RC                           = 0x0,
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        MLX4_QP_ST_UC                           = 0x1,
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        MLX4_QP_ST_RD                           = 0x2,
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        MLX4_QP_ST_UD                           = 0x3,
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        MLX4_QP_ST_MLX                          = 0x7
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};
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enum {
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        MLX4_QP_PM_MIGRATED                     = 0x3,
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        MLX4_QP_PM_ARMED                        = 0x0,
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        MLX4_QP_PM_REARM                        = 0x1
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};
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enum {
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        /* params1 */
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        MLX4_QP_BIT_SRE                         = 1 << 15,
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        MLX4_QP_BIT_SWE                         = 1 << 14,
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        MLX4_QP_BIT_SAE                         = 1 << 13,
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        /* params2 */
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        MLX4_QP_BIT_RRE                         = 1 << 15,
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        MLX4_QP_BIT_RWE                         = 1 << 14,
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        MLX4_QP_BIT_RAE                         = 1 << 13,
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        MLX4_QP_BIT_RIC                         = 1 <<  4,
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};
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struct mlx4_qp_path {
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        u8                      fl;
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        u8                      reserved1[2];
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        u8                      pkey_index;
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        u8                      reserved2;
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        u8                      grh_mylmc;
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        __be16                  rlid;
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        u8                      ackto;
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        u8                      mgid_index;
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        u8                      static_rate;
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        u8                      hop_limit;
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        __be32                  tclass_flowlabel;
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        u8                      rgid[16];
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        u8                      sched_queue;
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        u8                      snooper_flags;
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        u8                      reserved3[2];
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        u8                      counter_index;
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        u8                      reserved4[7];
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};
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struct mlx4_qp_context {
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        __be32                  flags;
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        __be32                  pd;
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        u8                      mtu_msgmax;
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        u8                      rq_size_stride;
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        u8                      sq_size_stride;
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        u8                      rlkey;
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        __be32                  usr_page;
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        __be32                  local_qpn;
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        __be32                  remote_qpn;
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        struct                  mlx4_qp_path pri_path;
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        struct                  mlx4_qp_path alt_path;
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        __be32                  params1;
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        u32                     reserved1;
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        __be32                  next_send_psn;
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        __be32                  cqn_send;
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        u32                     reserved2[2];
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        __be32                  last_acked_psn;
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        __be32                  ssn;
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        __be32                  params2;
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        __be32                  rnr_nextrecvpsn;
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        __be32                  srcd;
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        __be32                  cqn_recv;
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        __be64                  db_rec_addr;
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        __be32                  qkey;
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        __be32                  srqn;
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        __be32                  msn;
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        __be16                  rq_wqe_counter;
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        __be16                  sq_wqe_counter;
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        u32                     reserved3[2];
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        __be32                  param3;
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        __be32                  nummmcpeers_basemkey;
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        u8                      log_page_size;
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        u8                      reserved4[2];
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        u8                      mtt_base_addr_h;
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        __be32                  mtt_base_addr_l;
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        u32                     reserved5[10];
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};
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enum {
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        MLX4_WQE_CTRL_FENCE     = 1 << 6,
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        MLX4_WQE_CTRL_CQ_UPDATE = 3 << 2,
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        MLX4_WQE_CTRL_SOLICITED = 1 << 1,
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};
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struct mlx4_wqe_ctrl_seg {
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        __be32                  owner_opcode;
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        u8                      reserved2[3];
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        u8                      fence_size;
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        /*
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         * High 24 bits are SRC remote buffer; low 8 bits are flags:
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         * [7]   SO (strong ordering)
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         * [5]   TCP/UDP checksum
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         * [4]   IP checksum
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         * [3:2] C (generate completion queue entry)
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         * [1]   SE (solicited event)
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         */
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        __be32                  srcrb_flags;
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        /*
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         * imm is immediate data for send/RDMA write w/ immediate;
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         * also invalidation key for send with invalidate; input
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         * modifier for WQEs on CCQs.
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         */
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        __be32                  imm;
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};
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enum {
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        MLX4_WQE_MLX_VL15       = 1 << 17,
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        MLX4_WQE_MLX_SLR        = 1 << 16
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};
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struct mlx4_wqe_mlx_seg {
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        u8                      owner;
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        u8                      reserved1[2];
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        u8                      opcode;
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        u8                      reserved2[3];
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        u8                      size;
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        /*
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         * [17]    VL15
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         * [16]    SLR
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         * [15:12] static rate
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         * [11:8]  SL
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         * [4]     ICRC
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         * [3:2]   C
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         * [0]     FL (force loopback)
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         */
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        __be32                  flags;
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        __be16                  rlid;
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        u16                     reserved3;
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};
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struct mlx4_wqe_datagram_seg {
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        __be32                  av[8];
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        __be32                  dqpn;
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        __be32                  qkey;
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        __be32                  reservd[2];
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};
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struct mlx4_wqe_bind_seg {
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        __be32                  flags1;
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        __be32                  flags2;
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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 mlx4_wqe_fmr_seg {
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        __be32                  flags;
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        __be32                  mem_key;
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        __be64                  buf_list;
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        __be64                  start_addr;
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        __be64                  reg_len;
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        __be32                  offset;
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        __be32                  page_size;
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        u32                     reserved[2];
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};
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struct mlx4_wqe_fmr_ext_seg {
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        u8                      flags;
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        u8                      reserved;
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        __be16                  app_mask;
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        __be16                  wire_app_tag;
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        __be16                  mem_app_tag;
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        __be32                  wire_ref_tag_base;
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        __be32                  mem_ref_tag_base;
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};
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struct mlx4_wqe_local_inval_seg {
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        u8                      flags;
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        u8                      reserved1[3];
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        __be32                  mem_key;
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        u8                      reserved2[3];
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        u8                      guest_id;
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        __be64                  pa;
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};
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struct mlx4_wqe_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 mlx4_wqe_atomic_seg {
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        __be64                  swap_add;
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        __be64                  compare;
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};
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struct mlx4_wqe_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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enum {
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        MLX4_INLINE_ALIGN       = 64,
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};
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struct mlx4_wqe_inline_seg {
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        __be32                  byte_count;
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};
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int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
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                   enum mlx4_qp_state cur_state, enum mlx4_qp_state new_state,
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                   struct mlx4_qp_context *context, enum mlx4_qp_optpar optpar,
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                   int sqd_event, struct mlx4_qp *qp);
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int mlx4_qp_query(struct mlx4_dev *dev, struct mlx4_qp *qp,
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                  struct mlx4_qp_context *context);
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static inline struct mlx4_qp *__mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn)
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{
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        return radix_tree_lookup(&dev->qp_table_tree, qpn & (dev->caps.num_qps - 1));
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}
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void mlx4_qp_remove(struct mlx4_dev *dev, struct mlx4_qp *qp);
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#endif /* MLX4_QP_H */

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