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116 lines
3.4 KiB
C
116 lines
3.4 KiB
C
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
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/*
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* Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved.
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* Copyright (c) 2005 Topspin Communications. All rights reserved.
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* Copyright (c) 2005 Cisco Systems. All rights reserved.
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* Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifndef NES_ABI_USER_H
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#define NES_ABI_USER_H
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#include <linux/types.h>
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#define NES_ABI_USERSPACE_VER 2
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#define NES_ABI_KERNEL_VER 2
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/*
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* Make sure that all structs defined in this file remain laid out so
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* that they pack the same way on 32-bit and 64-bit architectures (to
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* avoid incompatibility between 32-bit userspace and 64-bit kernels).
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* In particular do not use pointer types -- pass pointers in __u64
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* instead.
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*/
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struct nes_alloc_ucontext_req {
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__u32 reserved32;
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__u8 userspace_ver;
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__u8 reserved8[3];
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};
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struct nes_alloc_ucontext_resp {
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__u32 max_pds; /* maximum pds allowed for this user process */
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__u32 max_qps; /* maximum qps allowed for this user process */
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__u32 wq_size; /* size of the WQs (sq+rq) allocated to the mmaped area */
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__u8 virtwq; /* flag to indicate if virtual WQ are to be used or not */
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__u8 kernel_ver;
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__u8 reserved[2];
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};
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struct nes_alloc_pd_resp {
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__u32 pd_id;
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__u32 mmap_db_index;
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};
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struct nes_create_cq_req {
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__aligned_u64 user_cq_buffer;
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__u32 mcrqf;
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__u8 reserved[4];
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};
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struct nes_create_qp_req {
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__aligned_u64 user_wqe_buffers;
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__aligned_u64 user_qp_buffer;
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};
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enum iwnes_memreg_type {
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IWNES_MEMREG_TYPE_MEM = 0x0000,
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IWNES_MEMREG_TYPE_QP = 0x0001,
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IWNES_MEMREG_TYPE_CQ = 0x0002,
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IWNES_MEMREG_TYPE_MW = 0x0003,
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IWNES_MEMREG_TYPE_FMR = 0x0004,
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IWNES_MEMREG_TYPE_FMEM = 0x0005,
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};
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struct nes_mem_reg_req {
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__u32 reg_type; /* indicates if id is memory, QP or CQ */
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__u32 reserved;
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};
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struct nes_create_cq_resp {
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__u32 cq_id;
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__u32 cq_size;
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__u32 mmap_db_index;
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__u32 reserved;
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};
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struct nes_create_qp_resp {
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__u32 qp_id;
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__u32 actual_sq_size;
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__u32 actual_rq_size;
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__u32 mmap_sq_db_index;
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__u32 mmap_rq_db_index;
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__u32 nes_drv_opt;
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};
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#endif /* NES_ABI_USER_H */
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