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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/uapi/rdma/cxgb4-abi.h
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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */

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/*

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 * Copyright (c) 2009-2010 Chelsio, 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 CXGB4_ABI_USER_H

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#define CXGB4_ABI_USER_H

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#include <linux/types.h>

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#define C4IW_UVERBS_ABI_VERSION	3

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/*

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 * Make sure that all structs defined in this file remain laid out so

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 * that they pack the same way on 32-bit and 64-bit architectures (to

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 * avoid incompatibility between 32-bit userspace and 64-bit kernels).

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 * In particular do not use pointer types -- pass pointers in __aligned_u64

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 * instead.

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 */

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enum {

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	C4IW_64B_CQE = (1 << 0)

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};

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struct c4iw_create_cq {

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	__u32 flags;

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	__u32 reserved;

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};

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struct c4iw_create_cq_resp {

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	__aligned_u64 key;

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	__aligned_u64 gts_key;

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	__aligned_u64 memsize;

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	__u32 cqid;

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	__u32 size;

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	__u32 qid_mask;

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	__u32 flags;

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};

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enum {

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	C4IW_QPF_ONCHIP	= (1 << 0),

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	C4IW_QPF_WRITE_W_IMM = (1 << 1)

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};

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struct c4iw_create_qp_resp {

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	__aligned_u64 ma_sync_key;

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	__aligned_u64 sq_key;

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	__aligned_u64 rq_key;

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	__aligned_u64 sq_db_gts_key;

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	__aligned_u64 rq_db_gts_key;

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	__aligned_u64 sq_memsize;

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	__aligned_u64 rq_memsize;

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	__u32 sqid;

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	__u32 rqid;

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	__u32 sq_size;

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	__u32 rq_size;

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	__u32 qid_mask;

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	__u32 flags;

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};

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struct c4iw_create_srq_resp {

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	__aligned_u64 srq_key;

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	__aligned_u64 srq_db_gts_key;

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	__aligned_u64 srq_memsize;

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	__u32 srqid;

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	__u32 srq_size;

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	__u32 rqt_abs_idx;

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	__u32 qid_mask;

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	__u32 flags;

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	__u32 reserved; /* explicit padding */

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};

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enum {

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	/* HW supports SRQ_LIMIT_REACHED event */

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	T4_SRQ_LIMIT_SUPPORT = 1 << 0,

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};

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struct c4iw_alloc_ucontext_resp {

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	__aligned_u64 status_page_key;

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	__u32 status_page_size;

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	__u32 reserved; /* explicit padding (optional for i386) */

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};

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struct c4iw_alloc_pd_resp {

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	__u32 pdid;

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};

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#endif /* CXGB4_ABI_USER_H */

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