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* Copyright (C) Jan 2013 Mellanox Technologies Ltd. All rights reserved.
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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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* 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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* - 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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* - 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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* 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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* mwrite.c - CR Space write access
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void usage(const char *n)
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printf("%s <device> <addr> <value>\n", n);
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int main(int ac, char *av[])
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unsigned int addr, val;
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addr = strtoul(av[2], &endp, 0);
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val = strtoul(av[3], &endp, 0);
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if ((rc = mwrite4(mf, addr, val)) < 0)
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printf("Write only %d bytes\n", rc);