1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
  2/* QLogic qedr NIC Driver
  3 * Copyright (c) 2015-2016  QLogic Corporation
  4 *
  5 * This software is available to you under a choice of one of two
  6 * licenses.  You may choose to be licensed under the terms of the GNU
  7 * General Public License (GPL) Version 2, available from the file
  8 * COPYING in the main directory of this source tree, or the
  9 * OpenIB.org BSD license below:
 10 *
 11 *     Redistribution and use in source and binary forms, with or
 12 *     without modification, are permitted provided that the following
 13 *     conditions are met:
 14 *
 15 *      - Redistributions of source code must retain the above
 16 *        copyright notice, this list of conditions and the following
 17 *        disclaimer.
 18 *
 19 *      - Redistributions in binary form must reproduce the above
 20 *        copyright notice, this list of conditions and the following
 21 *        disclaimer in the documentation and /or other materials
 22 *        provided with the distribution.
 23 *
 24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 31 * SOFTWARE.
 32 */
 33#ifndef __QEDR_USER_H__
 34#define __QEDR_USER_H__
 35
 36#include <linux/types.h>
 37
 38#define QEDR_ABI_VERSION		(8)
 39
 40/* user kernel communication data structures. */
 41
 42struct qedr_alloc_ucontext_resp {
 43	__aligned_u64 db_pa;
 44	__u32 db_size;
 45
 46	__u32 max_send_wr;
 47	__u32 max_recv_wr;
 48	__u32 max_srq_wr;
 49	__u32 sges_per_send_wr;
 50	__u32 sges_per_recv_wr;
 51	__u32 sges_per_srq_wr;
 52	__u32 max_cqes;
 53	__u8 dpm_enabled;
 54	__u8 wids_enabled;
 55	__u16 wid_count;
 56	__u32 reserved;
 57};
 58
 59struct qedr_alloc_pd_ureq {
 60	__aligned_u64 rsvd1;
 61};
 62
 63struct qedr_alloc_pd_uresp {
 64	__u32 pd_id;
 65	__u32 reserved;
 66};
 67
 68struct qedr_create_cq_ureq {
 69	__aligned_u64 addr;
 70	__aligned_u64 len;
 71};
 72
 73struct qedr_create_cq_uresp {
 74	__u32 db_offset;
 75	__u16 icid;
 76	__u16 reserved;
 77};
 78
 79struct qedr_create_qp_ureq {
 80	__u32 qp_handle_hi;
 81	__u32 qp_handle_lo;
 82
 83	/* SQ */
 84	/* user space virtual address of SQ buffer */
 85	__aligned_u64 sq_addr;
 86
 87	/* length of SQ buffer */
 88	__aligned_u64 sq_len;
 89
 90	/* RQ */
 91	/* user space virtual address of RQ buffer */
 92	__aligned_u64 rq_addr;
 93
 94	/* length of RQ buffer */
 95	__aligned_u64 rq_len;
 96};
 97
 98struct qedr_create_qp_uresp {
 99	__u32 qp_id;
100	__u32 atomic_supported;
101
102	/* SQ */
103	__u32 sq_db_offset;
104	__u16 sq_icid;
105
106	/* RQ */
107	__u32 rq_db_offset;
108	__u16 rq_icid;
109
110	__u32 rq_db2_offset;
111	__u32 reserved;
112};
113
114#endif /* __QEDR_USER_H__ */