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      1 /* QLogic qedr NIC Driver
      2  * Copyright (c) 2015-2016  QLogic Corporation
      3  *
      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
      7  * COPYING in the main directory of this source tree, or the
      8  * OpenIB.org BSD license below:
      9  *
     10  *     Redistribution and use in source and binary forms, with or
     11  *     without modification, are permitted provided that the following
     12  *     conditions are met:
     13  *
     14  *      - Redistributions of source code must retain the above
     15  *        copyright notice, this list of conditions and the following
     16  *        disclaimer.
     17  *
     18  *      - Redistributions in binary form must reproduce the above
     19  *        copyright notice, this list of conditions and the following
     20  *        disclaimer in the documentation and /or other materials
     21  *        provided with the distribution.
     22  *
     23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     30  * SOFTWARE.
     31  */
     32 #ifndef __QEDR_USER_H__
     33 #define __QEDR_USER_H__
     34 
     35 #include <linux/types.h>
     36 
     37 #define QEDR_ABI_VERSION		(8)
     38 
     39 /* user kernel communication data structures. */
     40 
     41 struct qedr_alloc_ucontext_resp {
     42 	__u64 db_pa;
     43 	__u32 db_size;
     44 
     45 	__u32 max_send_wr;
     46 	__u32 max_recv_wr;
     47 	__u32 max_srq_wr;
     48 	__u32 sges_per_send_wr;
     49 	__u32 sges_per_recv_wr;
     50 	__u32 sges_per_srq_wr;
     51 	__u32 max_cqes;
     52 };
     53 
     54 struct qedr_alloc_pd_ureq {
     55 	__u64 rsvd1;
     56 };
     57 
     58 struct qedr_alloc_pd_uresp {
     59 	__u32 pd_id;
     60 };
     61 
     62 struct qedr_create_cq_ureq {
     63 	__u64 addr;
     64 	__u64 len;
     65 };
     66 
     67 struct qedr_create_cq_uresp {
     68 	__u32 db_offset;
     69 	__u16 icid;
     70 };
     71 
     72 struct qedr_create_qp_ureq {
     73 	__u32 qp_handle_hi;
     74 	__u32 qp_handle_lo;
     75 
     76 	/* SQ */
     77 	/* user space virtual address of SQ buffer */
     78 	__u64 sq_addr;
     79 
     80 	/* length of SQ buffer */
     81 	__u64 sq_len;
     82 
     83 	/* RQ */
     84 	/* user space virtual address of RQ buffer */
     85 	__u64 rq_addr;
     86 
     87 	/* length of RQ buffer */
     88 	__u64 rq_len;
     89 };
     90 
     91 struct qedr_create_qp_uresp {
     92 	__u32 qp_id;
     93 	__u32 atomic_supported;
     94 
     95 	/* SQ */
     96 	__u32 sq_db_offset;
     97 	__u16 sq_icid;
     98 
     99 	/* RQ */
    100 	__u32 rq_db_offset;
    101 	__u16 rq_icid;
    102 
    103 	__u32 rq_db2_offset;
    104 };
    105 
    106 #endif /* __QEDR_USER_H__ */
    107