1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
  2/*
  3 * Copyright (c) 2009-2010 Chelsio, Inc. All rights reserved.
  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 CXGB4_ABI_USER_H
 34#define CXGB4_ABI_USER_H
 35
 36#include <linux/types.h>
 37
 38#define C4IW_UVERBS_ABI_VERSION	3
 39
 40/*
 41 * Make sure that all structs defined in this file remain laid out so
 42 * that they pack the same way on 32-bit and 64-bit architectures (to
 43 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
 44 * In particular do not use pointer types -- pass pointers in __aligned_u64
 45 * instead.
 46 */
 47
 48enum {
 49	C4IW_64B_CQE = (1 << 0)
 50};
 51
 52struct c4iw_create_cq {
 53	__u32 flags;
 54	__u32 reserved;
 55};
 56
 57struct c4iw_create_cq_resp {
 58	__aligned_u64 key;
 59	__aligned_u64 gts_key;
 60	__aligned_u64 memsize;
 61	__u32 cqid;
 62	__u32 size;
 63	__u32 qid_mask;
 64	__u32 flags;
 65};
 66
 67enum {
 68	C4IW_QPF_ONCHIP	= (1 << 0),
 69	C4IW_QPF_WRITE_W_IMM = (1 << 1)
 70};
 71
 72struct c4iw_create_qp_resp {
 73	__aligned_u64 ma_sync_key;
 74	__aligned_u64 sq_key;
 75	__aligned_u64 rq_key;
 76	__aligned_u64 sq_db_gts_key;
 77	__aligned_u64 rq_db_gts_key;
 78	__aligned_u64 sq_memsize;
 79	__aligned_u64 rq_memsize;
 80	__u32 sqid;
 81	__u32 rqid;
 82	__u32 sq_size;
 83	__u32 rq_size;
 84	__u32 qid_mask;
 85	__u32 flags;
 86};
 87
 88struct c4iw_create_srq_resp {
 89	__aligned_u64 srq_key;
 90	__aligned_u64 srq_db_gts_key;
 91	__aligned_u64 srq_memsize;
 92	__u32 srqid;
 93	__u32 srq_size;
 94	__u32 rqt_abs_idx;
 95	__u32 qid_mask;
 96	__u32 flags;
 97	__u32 reserved; /* explicit padding */
 98};
 99
100enum {
101	/* HW supports SRQ_LIMIT_REACHED event */
102	T4_SRQ_LIMIT_SUPPORT = 1 << 0,
103};
104
105struct c4iw_alloc_ucontext_resp {
106	__aligned_u64 status_page_key;
107	__u32 status_page_size;
108	__u32 reserved; /* explicit padding (optional for i386) */
109};
110
111struct c4iw_alloc_pd_resp {
112	__u32 pdid;
113};
114
115#endif /* CXGB4_ABI_USER_H */