1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ 2 /* 3 * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. 4 * Copyright (c) 2005 Topspin Communications. All rights reserved. 5 * Copyright (c) 2005 Cisco Systems. All rights reserved. 6 * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. 7 * 8 * This software is available to you under a choice of one of two 9 * licenses. You may choose to be licensed under the terms of the GNU 10 * General Public License (GPL) Version 2, available from the file 11 * COPYING in the main directory of this source tree, or the 12 * OpenIB.org BSD license below: 13 * 14 * Redistribution and use in source and binary forms, with or 15 * without modification, are permitted provided that the following 16 * conditions are met: 17 * 18 * - Redistributions of source code must retain the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer. 21 * 22 * - Redistributions in binary form must reproduce the above 23 * copyright notice, this list of conditions and the following 24 * disclaimer in the documentation and/or other materials 25 * provided with the distribution. 26 * 27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 34 * SOFTWARE. 35 * 36 */ 37 38 #ifndef NES_ABI_USER_H 39 #define NES_ABI_USER_H 40 41 #include <linux/types.h> 42 43 #define NES_ABI_USERSPACE_VER 2 44 #define NES_ABI_KERNEL_VER 2 45 46 /* 47 * Make sure that all structs defined in this file remain laid out so 48 * that they pack the same way on 32-bit and 64-bit architectures (to 49 * avoid incompatibility between 32-bit userspace and 64-bit kernels). 50 * In particular do not use pointer types -- pass pointers in __u64 51 * instead. 52 */ 53 54 struct nes_alloc_ucontext_req { 55 __u32 reserved32; 56 __u8 userspace_ver; 57 __u8 reserved8[3]; 58 }; 59 60 struct nes_alloc_ucontext_resp { 61 __u32 max_pds; /* maximum pds allowed for this user process */ 62 __u32 max_qps; /* maximum qps allowed for this user process */ 63 __u32 wq_size; /* size of the WQs (sq+rq) allocated to the mmaped area */ 64 __u8 virtwq; /* flag to indicate if virtual WQ are to be used or not */ 65 __u8 kernel_ver; 66 __u8 reserved[2]; 67 }; 68 69 struct nes_alloc_pd_resp { 70 __u32 pd_id; 71 __u32 mmap_db_index; 72 }; 73 74 struct nes_create_cq_req { 75 __aligned_u64 user_cq_buffer; 76 __u32 mcrqf; 77 __u8 reserved[4]; 78 }; 79 80 struct nes_create_qp_req { 81 __aligned_u64 user_wqe_buffers; 82 __aligned_u64 user_qp_buffer; 83 }; 84 85 enum iwnes_memreg_type { 86 IWNES_MEMREG_TYPE_MEM = 0x0000, 87 IWNES_MEMREG_TYPE_QP = 0x0001, 88 IWNES_MEMREG_TYPE_CQ = 0x0002, 89 IWNES_MEMREG_TYPE_MW = 0x0003, 90 IWNES_MEMREG_TYPE_FMR = 0x0004, 91 IWNES_MEMREG_TYPE_FMEM = 0x0005, 92 }; 93 94 struct nes_mem_reg_req { 95 __u32 reg_type; /* indicates if id is memory, QP or CQ */ 96 __u32 reserved; 97 }; 98 99 struct nes_create_cq_resp { 100 __u32 cq_id; 101 __u32 cq_size; 102 __u32 mmap_db_index; 103 __u32 reserved; 104 }; 105 106 struct nes_create_qp_resp { 107 __u32 qp_id; 108 __u32 actual_sq_size; 109 __u32 actual_rq_size; 110 __u32 mmap_sq_db_index; 111 __u32 mmap_rq_db_index; 112 __u32 nes_drv_opt; 113 }; 114 115 #endif /* NES_ABI_USER_H */ 116
