1*4882a593Smuzhiyun /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2005 Topspin Communications. All rights reserved. 4*4882a593Smuzhiyun * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * This software is available to you under a choice of one of two 7*4882a593Smuzhiyun * licenses. You may choose to be licensed under the terms of the GNU 8*4882a593Smuzhiyun * General Public License (GPL) Version 2, available from the file 9*4882a593Smuzhiyun * COPYING in the main directory of this source tree, or the 10*4882a593Smuzhiyun * OpenIB.org BSD license below: 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * Redistribution and use in source and binary forms, with or 13*4882a593Smuzhiyun * without modification, are permitted provided that the following 14*4882a593Smuzhiyun * conditions are met: 15*4882a593Smuzhiyun * 16*4882a593Smuzhiyun * - Redistributions of source code must retain the above 17*4882a593Smuzhiyun * copyright notice, this list of conditions and the following 18*4882a593Smuzhiyun * disclaimer. 19*4882a593Smuzhiyun * 20*4882a593Smuzhiyun * - Redistributions in binary form must reproduce the above 21*4882a593Smuzhiyun * copyright notice, this list of conditions and the following 22*4882a593Smuzhiyun * disclaimer in the documentation and/or other materials 23*4882a593Smuzhiyun * provided with the distribution. 24*4882a593Smuzhiyun * 25*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26*4882a593Smuzhiyun * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27*4882a593Smuzhiyun * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28*4882a593Smuzhiyun * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29*4882a593Smuzhiyun * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30*4882a593Smuzhiyun * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31*4882a593Smuzhiyun * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32*4882a593Smuzhiyun * SOFTWARE. 33*4882a593Smuzhiyun */ 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun #ifndef MTHCA_ABI_USER_H 36*4882a593Smuzhiyun #define MTHCA_ABI_USER_H 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun #include <linux/types.h> 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun /* 41*4882a593Smuzhiyun * Increment this value if any changes that break userspace ABI 42*4882a593Smuzhiyun * compatibility are made. 43*4882a593Smuzhiyun */ 44*4882a593Smuzhiyun #define MTHCA_UVERBS_ABI_VERSION 1 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun /* 47*4882a593Smuzhiyun * Make sure that all structs defined in this file remain laid out so 48*4882a593Smuzhiyun * that they pack the same way on 32-bit and 64-bit architectures (to 49*4882a593Smuzhiyun * avoid incompatibility between 32-bit userspace and 64-bit kernels). 50*4882a593Smuzhiyun * In particular do not use pointer types -- pass pointers in __u64 51*4882a593Smuzhiyun * instead. 52*4882a593Smuzhiyun */ 53*4882a593Smuzhiyun struct mthca_alloc_ucontext_resp { 54*4882a593Smuzhiyun __u32 qp_tab_size; 55*4882a593Smuzhiyun __u32 uarc_size; 56*4882a593Smuzhiyun }; 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun struct mthca_alloc_pd_resp { 59*4882a593Smuzhiyun __u32 pdn; 60*4882a593Smuzhiyun __u32 reserved; 61*4882a593Smuzhiyun }; 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun /* 64*4882a593Smuzhiyun * Mark the memory region with a DMA attribute that causes 65*4882a593Smuzhiyun * in-flight DMA to be flushed when the region is written to: 66*4882a593Smuzhiyun */ 67*4882a593Smuzhiyun #define MTHCA_MR_DMASYNC 0x1 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun struct mthca_reg_mr { 70*4882a593Smuzhiyun __u32 mr_attrs; 71*4882a593Smuzhiyun __u32 reserved; 72*4882a593Smuzhiyun }; 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun struct mthca_create_cq { 75*4882a593Smuzhiyun __u32 lkey; 76*4882a593Smuzhiyun __u32 pdn; 77*4882a593Smuzhiyun __aligned_u64 arm_db_page; 78*4882a593Smuzhiyun __aligned_u64 set_db_page; 79*4882a593Smuzhiyun __u32 arm_db_index; 80*4882a593Smuzhiyun __u32 set_db_index; 81*4882a593Smuzhiyun }; 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun struct mthca_create_cq_resp { 84*4882a593Smuzhiyun __u32 cqn; 85*4882a593Smuzhiyun __u32 reserved; 86*4882a593Smuzhiyun }; 87*4882a593Smuzhiyun 88*4882a593Smuzhiyun struct mthca_resize_cq { 89*4882a593Smuzhiyun __u32 lkey; 90*4882a593Smuzhiyun __u32 reserved; 91*4882a593Smuzhiyun }; 92*4882a593Smuzhiyun 93*4882a593Smuzhiyun struct mthca_create_srq { 94*4882a593Smuzhiyun __u32 lkey; 95*4882a593Smuzhiyun __u32 db_index; 96*4882a593Smuzhiyun __aligned_u64 db_page; 97*4882a593Smuzhiyun }; 98*4882a593Smuzhiyun 99*4882a593Smuzhiyun struct mthca_create_srq_resp { 100*4882a593Smuzhiyun __u32 srqn; 101*4882a593Smuzhiyun __u32 reserved; 102*4882a593Smuzhiyun }; 103*4882a593Smuzhiyun 104*4882a593Smuzhiyun struct mthca_create_qp { 105*4882a593Smuzhiyun __u32 lkey; 106*4882a593Smuzhiyun __u32 reserved; 107*4882a593Smuzhiyun __aligned_u64 sq_db_page; 108*4882a593Smuzhiyun __aligned_u64 rq_db_page; 109*4882a593Smuzhiyun __u32 sq_db_index; 110*4882a593Smuzhiyun __u32 rq_db_index; 111*4882a593Smuzhiyun }; 112*4882a593Smuzhiyun #endif /* MTHCA_ABI_USER_H */ 113