qlnxr_user.h

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    1 /*
    2  * Copyright (c) 2018-2019 Cavium, Inc.
    3  * All rights reserved.
    4  *
    5  *  Redistribution and use in source and binary forms, with or without
    6  *  modification, are permitted provided that the following conditions
    7  *  are met:
    8  *
    9  *  1. Redistributions of source code must retain the above copyright
   10  *     notice, this list of conditions and the following disclaimer.
   11  *  2. Redistributions in binary form must reproduce the above copyright
   12  *     notice, this list of conditions and the following disclaimer in the
   13  *     documentation and/or other materials provided with the distribution.
   14  *
   15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   16  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   25  *  POSSIBILITY OF SUCH DAMAGE.
   26  *
   27  * $FreeBSD$
   28  *
   29  */
   30 
   31 #ifndef __QLNXR_USER_H__
   32 #define __QLNXR_USER_H__
   33 
   34 #define QLNXR_ABI_VERSION               (7)
   35 #define QLNXR_BE_ROCE_ABI_VERSION       (1)
   36 
   37 /* user kernel communication data structures. */
   38 
   39 struct qlnxr_alloc_ucontext_resp {
   40         u64 db_pa;
   41         u32 db_size;
   42 
   43         uint32_t max_send_wr;
   44         uint32_t max_recv_wr;
   45         uint32_t max_srq_wr;
   46         uint32_t sges_per_send_wr;
   47         uint32_t sges_per_recv_wr;
   48         uint32_t sges_per_srq_wr;
   49         int max_cqes;
   50         uint8_t dpm_enabled;
   51         uint8_t wids_enabled;
   52         uint16_t wid_count;
   53 };
   54 
   55 struct qlnxr_alloc_pd_ureq {
   56         u64 rsvd1;
   57 };
   58 
   59 struct qlnxr_alloc_pd_uresp {
   60         u32 pd_id;
   61 };
   62 
   63 struct qlnxr_create_cq_ureq {
   64         uint64_t addr;          /* user space virtual address of CQ buffer */
   65         size_t len;             /* size of CQ buffer */
   66 };
   67 
   68 struct qlnxr_create_cq_uresp {
   69         u32 db_offset;
   70         u16 icid;
   71 };
   72 
   73 struct qlnxr_create_qp_ureq {
   74         u32 qp_handle_hi;
   75         u32 qp_handle_lo;
   76 
   77         /* SQ */
   78         uint64_t sq_addr;       /* user space virtual address of SQ buffer */
   79         size_t sq_len;          /* length of SQ buffer */
   80 
   81         /* RQ */
   82         uint64_t rq_addr;       /* user space virtual address of RQ buffer */
   83         size_t rq_len;          /* length of RQ buffer */
   84 };
   85 
   86 struct qlnxr_create_qp_uresp {
   87         u32 qp_id;
   88         int atomic_supported;
   89 
   90         /* SQ*/
   91         u32 sq_db_offset;
   92         u16 sq_icid;
   93 
   94         /* RQ */
   95         u32 rq_db_offset;
   96         u16 rq_icid;
   97 
   98         u32 rq_db2_offset;
   99 };
  100 
  101 struct qlnxr_create_srq_ureq {
  102         /* user space virtual address of producer pair */
  103         uint64_t prod_pair_addr;
  104         uint64_t srq_addr;      /* user space virtual address of SQ buffer */
  105         size_t srq_len;         /* length of SQ buffer */
  106 };
  107 
  108 struct qlnxr_create_srq_uresp {
  109         u16 srq_id;
  110 };
  111 
  112 #endif  /* #ifndef __QLNXR_USER_H__ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/qlnx/qlnxr/qlnxr_user.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/qlnx/qlnxr/qlnxr_user.h