Current File : //usr/src/kernels/3.10.0-1160.83.1.el7.centos.plus.x86_64/include/uapi/rdma/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 */
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