/* 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 */