1 #ifndef _HFI1_USER_EXP_RCV_H
2 #define _HFI1_USER_EXP_RCV_H
3 /*
4  * Copyright(c) 2015, 2016 Intel Corporation.
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  *
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  *
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 
50 #include "hfi.h"
51 
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 
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 
79 #endif /* _HFI1_USER_EXP_RCV_H */
80