Edit File: nes-abi.h
/* * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. * Copyright (c) 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005 Cisco Systems. All rights reserved. * Copyright (c) 2005 Open Grid Computing, Inc. 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 NES_ABI_USER_H #define NES_ABI_USER_H #include <linux/types.h> #define NES_ABI_USERSPACE_VER 2 #define NES_ABI_KERNEL_VER 2 /* * 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 nes_alloc_ucontext_req { __u32 reserved32; __u8 userspace_ver; __u8 reserved8[3]; }; struct nes_alloc_ucontext_resp { __u32 max_pds; /* maximum pds allowed for this user process */ __u32 max_qps; /* maximum qps allowed for this user process */ __u32 wq_size; /* size of the WQs (sq+rq) allocated to the mmaped area */ __u8 virtwq; /* flag to indicate if virtual WQ are to be used or not */ __u8 kernel_ver; __u8 reserved[2]; }; struct nes_alloc_pd_resp { __u32 pd_id; __u32 mmap_db_index; }; struct nes_create_cq_req { __aligned_u64 user_cq_buffer; __u32 mcrqf; __u8 reserved[4]; }; struct nes_create_qp_req { __aligned_u64 user_wqe_buffers; __aligned_u64 user_qp_buffer; }; enum iwnes_memreg_type { IWNES_MEMREG_TYPE_MEM = 0x0000, IWNES_MEMREG_TYPE_QP = 0x0001, IWNES_MEMREG_TYPE_CQ = 0x0002, IWNES_MEMREG_TYPE_MW = 0x0003, IWNES_MEMREG_TYPE_FMR = 0x0004, IWNES_MEMREG_TYPE_FMEM = 0x0005, }; struct nes_mem_reg_req { __u32 reg_type; /* indicates if id is memory, QP or CQ */ __u32 reserved; }; struct nes_create_cq_resp { __u32 cq_id; __u32 cq_size; __u32 mmap_db_index; __u32 reserved; }; struct nes_create_qp_resp { __u32 qp_id; __u32 actual_sq_size; __u32 actual_rq_size; __u32 mmap_sq_db_index; __u32 mmap_rq_db_index; __u32 nes_drv_opt; }; #endif /* NES_ABI_USER_H */