[mirror_ubuntu-zesty-kernel.git] / drivers / staging / rdma / hfi1 / user_exp_rcv.h

#ifndef _HFI1_USER_EXP_RCV_H
#define _HFI1_USER_EXP_RCV_H
/*
 * Copyright(c) 2015, 2016 Intel Corporation.
 *
 * This file is provided under a dual BSD/GPLv2 license.  When using or
 * redistributing this file, you may do so under either license.
 *
 * GPL LICENSE SUMMARY
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * BSD LICENSE
 *
 * 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.
 *  - Neither the name of Intel Corporation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include "hfi.h"

#define EXP_TID_TIDLEN_MASK   0x7FFULL
#define EXP_TID_TIDLEN_SHIFT  0
#define EXP_TID_TIDCTRL_MASK  0x3ULL
#define EXP_TID_TIDCTRL_SHIFT 20
#define EXP_TID_TIDIDX_MASK   0x3FFULL
#define EXP_TID_TIDIDX_SHIFT  22
#define EXP_TID_GET(tid, field)	\
	(((tid) >> EXP_TID_TID##field##_SHIFT) & EXP_TID_TID##field##_MASK)

#define EXP_TID_SET(field, value)			\
	(((value) & EXP_TID_TID##field##_MASK) <<	\
	 EXP_TID_TID##field##_SHIFT)
#define EXP_TID_CLEAR(tid, field) ({					\
		(tid) &= ~(EXP_TID_TID##field##_MASK <<			\
			   EXP_TID_TID##field##_SHIFT);			\
		})
#define EXP_TID_RESET(tid, field, value) do {				\
		EXP_TID_CLEAR(tid, field);				\
		(tid) |= EXP_TID_SET(field, (value));			\
	} while (0)

int hfi1_user_exp_rcv_init(struct file *);
int hfi1_user_exp_rcv_free(struct hfi1_filedata *);
int hfi1_user_exp_rcv_setup(struct file *, struct hfi1_tid_info *);
int hfi1_user_exp_rcv_clear(struct file *, struct hfi1_tid_info *);
int hfi1_user_exp_rcv_invalid(struct file *, struct hfi1_tid_info *);

#endif /* _HFI1_USER_EXP_RCV_H */
Commit	Line	Data
701e441d MH	1	#ifndef _HFI1_USER_EXP_RCV_H
	2	#define _HFI1_USER_EXP_RCV_H
	3	/*
05d6ac1d	4	* Copyright(c) 2015, 2016 Intel Corporation.
701e441d MH	5	*
	6	* This file is provided under a dual BSD/GPLv2 license. When using or
	7	* redistributing this file, you may do so under either license.
	8	*
	9	* GPL LICENSE SUMMARY
	10	*
701e441d MH	11	* This program is free software; you can redistribute it and/or modify
	12	* it under the terms of version 2 of the GNU General Public License as
	13	* published by the Free Software Foundation.
	14	*
	15	* This program is distributed in the hope that it will be useful, but
	16	* WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	18	* General Public License for more details.
	19	*
	20	* BSD LICENSE
	21	*
701e441d MH	22	* Redistribution and use in source and binary forms, with or without
	23	* modification, are permitted provided that the following conditions
	24	* are met:
	25	*
	26	* - Redistributions of source code must retain the above copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* - Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in
	30	* the documentation and/or other materials provided with the
	31	* distribution.
	32	* - Neither the name of Intel Corporation nor the names of its
	33	* contributors may be used to endorse or promote products derived
	34	* from this software without specific prior written permission.
	35	*
	36	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	37	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	38	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	39	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	40	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	41	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	42	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	43	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	44	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	45	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	46	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	47	*
	48	*/
	49
f727a0c3 MH	50	#include "hfi.h"
f727a0c3 MH	51
701e441d MH	52	#define EXP_TID_TIDLEN_MASK 0x7FFULL
	53	#define EXP_TID_TIDLEN_SHIFT 0
	54	#define EXP_TID_TIDCTRL_MASK 0x3ULL
	55	#define EXP_TID_TIDCTRL_SHIFT 20
	56	#define EXP_TID_TIDIDX_MASK 0x3FFULL
	57	#define EXP_TID_TIDIDX_SHIFT 22
	58	#define EXP_TID_GET(tid, field) \
	59	(((tid) >> EXP_TID_TID##field##_SHIFT) & EXP_TID_TID##field##_MASK)
	60
	61	#define EXP_TID_SET(field, value) \
	62	(((value) & EXP_TID_TID##field##_MASK) << \
	63	EXP_TID_TID##field##_SHIFT)
	64	#define EXP_TID_CLEAR(tid, field) ({ \
	65	(tid) &= ~(EXP_TID_TID##field##_MASK << \
	66	EXP_TID_TID##field##_SHIFT); \
	67	})
	68	#define EXP_TID_RESET(tid, field, value) do { \
	69	EXP_TID_CLEAR(tid, field); \
	70	(tid) \|= EXP_TID_SET(field, (value)); \
	71	} while (0)
	72
f727a0c3 MH	73	int hfi1_user_exp_rcv_init(struct file *);
	74	int hfi1_user_exp_rcv_free(struct hfi1_filedata *);
	75	int hfi1_user_exp_rcv_setup(struct file , struct hfi1_tid_info );
	76	int hfi1_user_exp_rcv_clear(struct file , struct hfi1_tid_info );
	77	int hfi1_user_exp_rcv_invalid(struct file , struct hfi1_tid_info );
	78
701e441d	79	#endif /* _HFI1_USER_EXP_RCV_H */