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1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
124 lines
4.1 KiB
C
124 lines
4.1 KiB
C
/*
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* Copyright (c) 2004 Topspin Communications. 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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* $Id: ib_user_mad.h 1389 2004-12-27 22:56:47Z roland $
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*/
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#ifndef IB_USER_MAD_H
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#define IB_USER_MAD_H
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#include <linux/types.h>
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#include <linux/ioctl.h>
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/*
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* Increment this value if any changes that break userspace ABI
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* compatibility are made.
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*/
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#define IB_USER_MAD_ABI_VERSION 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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*/
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/**
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* ib_user_mad - MAD packet
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* @data - Contents of MAD
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* @id - ID of agent MAD received with/to be sent with
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* @status - 0 on successful receive, ETIMEDOUT if no response
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* received (transaction ID in data[] will be set to TID of original
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* request) (ignored on send)
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* @timeout_ms - Milliseconds to wait for response (unset on receive)
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* @qpn - Remote QP number received from/to be sent to
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* @qkey - Remote Q_Key to be sent with (unset on receive)
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* @lid - Remote lid received from/to be sent to
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* @sl - Service level received with/to be sent with
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* @path_bits - Local path bits received with/to be sent with
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* @grh_present - If set, GRH was received/should be sent
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* @gid_index - Local GID index to send with (unset on receive)
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* @hop_limit - Hop limit in GRH
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* @traffic_class - Traffic class in GRH
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* @gid - Remote GID in GRH
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* @flow_label - Flow label in GRH
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*
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* All multi-byte quantities are stored in network (big endian) byte order.
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*/
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struct ib_user_mad {
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__u8 data[256];
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__u32 id;
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__u32 status;
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__u32 timeout_ms;
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__u32 qpn;
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__u32 qkey;
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__u16 lid;
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__u8 sl;
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__u8 path_bits;
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__u8 grh_present;
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__u8 gid_index;
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__u8 hop_limit;
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__u8 traffic_class;
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__u8 gid[16];
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__u32 flow_label;
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};
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/**
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* ib_user_mad_reg_req - MAD registration request
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* @id - Set by the kernel; used to identify agent in future requests.
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* @qpn - Queue pair number; must be 0 or 1.
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* @method_mask - The caller will receive unsolicited MADs for any method
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* where @method_mask = 1.
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* @mgmt_class - Indicates which management class of MADs should be receive
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* by the caller. This field is only required if the user wishes to
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* receive unsolicited MADs, otherwise it should be 0.
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* @mgmt_class_version - Indicates which version of MADs for the given
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* management class to receive.
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* @oui: Indicates IEEE OUI when mgmt_class is a vendor class
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* in the range from 0x30 to 0x4f. Otherwise not used.
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*/
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struct ib_user_mad_reg_req {
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__u32 id;
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__u32 method_mask[4];
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__u8 qpn;
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__u8 mgmt_class;
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__u8 mgmt_class_version;
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__u8 oui[3];
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};
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#define IB_IOCTL_MAGIC 0x1b
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#define IB_USER_MAD_REGISTER_AGENT _IOWR(IB_IOCTL_MAGIC, 1, \
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struct ib_user_mad_reg_req)
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#define IB_USER_MAD_UNREGISTER_AGENT _IOW(IB_IOCTL_MAGIC, 2, __u32)
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#endif /* IB_USER_MAD_H */
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