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| Current File : //usr/include/rdma/mthca-abi.h |
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
/*
* Copyright (c) 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef MTHCA_ABI_USER_H
#define MTHCA_ABI_USER_H
#include <linux/types.h>
/*
* Increment this value if any changes that break userspace ABI
* compatibility are made.
*/
#define MTHCA_UVERBS_ABI_VERSION 1
/*
* Make sure that all structs defined in this file remain laid out so
* that they pack the same way on 32-bit and 64-bit architectures (to
* avoid incompatibility between 32-bit userspace and 64-bit kernels).
* In particular do not use pointer types -- pass pointers in __u64
* instead.
*/
struct mthca_alloc_ucontext_resp {
__u32 qp_tab_size;
__u32 uarc_size;
};
struct mthca_alloc_pd_resp {
__u32 pdn;
__u32 reserved;
};
/*
* Mark the memory region with a DMA attribute that causes
* in-flight DMA to be flushed when the region is written to:
*/
#define MTHCA_MR_DMASYNC 0x1
struct mthca_reg_mr {
__u32 mr_attrs;
__u32 reserved;
};
struct mthca_create_cq {
__u32 lkey;
__u32 pdn;
__aligned_u64 arm_db_page;
__aligned_u64 set_db_page;
__u32 arm_db_index;
__u32 set_db_index;
};
struct mthca_create_cq_resp {
__u32 cqn;
__u32 reserved;
};
struct mthca_resize_cq {
__u32 lkey;
__u32 reserved;
};
struct mthca_create_srq {
__u32 lkey;
__u32 db_index;
__aligned_u64 db_page;
};
struct mthca_create_srq_resp {
__u32 srqn;
__u32 reserved;
};
struct mthca_create_qp {
__u32 lkey;
__u32 reserved;
__aligned_u64 sq_db_page;
__aligned_u64 rq_db_page;
__u32 sq_db_index;
__u32 rq_db_index;
};
#endif /* MTHCA_ABI_USER_H */