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e2be04c7 | 1 | /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ |
7df20f2d SD |
2 | /* |
3 | * Intel MIC Platform Software Stack (MPSS) | |
4 | * | |
5 | * This file is provided under a dual BSD/GPLv2 license. When using or | |
6 | * redistributing this file, you may do so under either license. | |
7 | * | |
8 | * GPL LICENSE SUMMARY | |
9 | * | |
10 | * Copyright(c) 2014 Intel Corporation. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of version 2 of the GNU General Public License as | |
14 | * published by the Free Software Foundation. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, but | |
17 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | * General Public License for more details. | |
20 | * | |
21 | * BSD LICENSE | |
22 | * | |
23 | * Copyright(c) 2014 Intel Corporation. | |
24 | * | |
25 | * Redistribution and use in source and binary forms, with or without | |
26 | * modification, are permitted provided that the following conditions | |
27 | * are met: | |
28 | * | |
29 | * * Redistributions of source code must retain the above copyright | |
30 | * notice, this list of conditions and the following disclaimer. | |
31 | * * Redistributions in binary form must reproduce the above copyright | |
32 | * notice, this list of conditions and the following disclaimer in | |
33 | * the documentation and/or other materials provided with the | |
34 | * distribution. | |
35 | * * Neither the name of Intel Corporation nor the names of its | |
36 | * contributors may be used to endorse or promote products derived | |
37 | * from this software without specific prior written permission. | |
38 | * | |
39 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
40 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
41 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
42 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
43 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
45 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
46 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
47 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
48 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
49 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
50 | * | |
51 | * Intel SCIF driver. | |
52 | * | |
53 | */ | |
54 | /* | |
55 | * ----------------------------------------- | |
56 | * SCIF IOCTL interface information | |
57 | * ----------------------------------------- | |
58 | */ | |
59 | #ifndef SCIF_IOCTL_H | |
60 | #define SCIF_IOCTL_H | |
61 | ||
62 | #include <linux/types.h> | |
63 | ||
64 | /** | |
65 | * struct scif_port_id - SCIF port information | |
66 | * @node: node on which port resides | |
67 | * @port: local port number | |
68 | */ | |
69 | struct scif_port_id { | |
70 | __u16 node; | |
71 | __u16 port; | |
72 | }; | |
73 | ||
74 | /** | |
75 | * struct scifioctl_connect - used for SCIF_CONNECT IOCTL | |
76 | * @self: used to read back the assigned port_id | |
77 | * @peer: destination node and port to connect to | |
78 | */ | |
79 | struct scifioctl_connect { | |
80 | struct scif_port_id self; | |
81 | struct scif_port_id peer; | |
82 | }; | |
83 | ||
84 | /** | |
85 | * struct scifioctl_accept - used for SCIF_ACCEPTREQ IOCTL | |
86 | * @flags: flags | |
87 | * @peer: global id of peer endpoint | |
88 | * @endpt: new connected endpoint descriptor | |
89 | */ | |
90 | struct scifioctl_accept { | |
91 | __s32 flags; | |
92 | struct scif_port_id peer; | |
93 | __u64 endpt; | |
94 | }; | |
95 | ||
96 | /** | |
97 | * struct scifioctl_msg - used for SCIF_SEND/SCIF_RECV IOCTL | |
98 | * @msg: message buffer address | |
99 | * @len: message length | |
100 | * @flags: flags | |
101 | * @out_len: number of bytes sent/received | |
102 | */ | |
103 | struct scifioctl_msg { | |
104 | __u64 msg; | |
105 | __s32 len; | |
106 | __s32 flags; | |
107 | __s32 out_len; | |
108 | }; | |
109 | ||
a44f2630 SD |
110 | /** |
111 | * struct scifioctl_reg - used for SCIF_REG IOCTL | |
112 | * @addr: starting virtual address | |
113 | * @len: length of range | |
114 | * @offset: offset of window | |
115 | * @prot: read/write protection | |
116 | * @flags: flags | |
117 | * @out_offset: offset returned | |
118 | */ | |
119 | struct scifioctl_reg { | |
120 | __u64 addr; | |
121 | __u64 len; | |
122 | __s64 offset; | |
123 | __s32 prot; | |
124 | __s32 flags; | |
125 | __s64 out_offset; | |
126 | }; | |
127 | ||
128 | /** | |
129 | * struct scifioctl_unreg - used for SCIF_UNREG IOCTL | |
130 | * @offset: start of range to unregister | |
131 | * @len: length of range to unregister | |
132 | */ | |
133 | struct scifioctl_unreg { | |
134 | __s64 offset; | |
135 | __u64 len; | |
136 | }; | |
137 | ||
138 | /** | |
139 | * struct scifioctl_copy - used for SCIF DMA copy IOCTLs | |
140 | * | |
141 | * @loffset: offset in local registered address space to/from | |
142 | * which to copy | |
143 | * @len: length of range to copy | |
144 | * @roffset: offset in remote registered address space to/from | |
145 | * which to copy | |
146 | * @addr: user virtual address to/from which to copy | |
147 | * @flags: flags | |
148 | * | |
149 | * This structure is used for SCIF_READFROM, SCIF_WRITETO, SCIF_VREADFROM | |
150 | * and SCIF_VREADFROM IOCTL's. | |
151 | */ | |
152 | struct scifioctl_copy { | |
153 | __s64 loffset; | |
154 | __u64 len; | |
155 | __s64 roffset; | |
156 | __u64 addr; | |
157 | __s32 flags; | |
158 | }; | |
159 | ||
160 | /** | |
161 | * struct scifioctl_fence_mark - used for SCIF_FENCE_MARK IOCTL | |
162 | * @flags: flags | |
163 | * @mark: fence handle which is a pointer to a __s32 | |
164 | */ | |
165 | struct scifioctl_fence_mark { | |
166 | __s32 flags; | |
167 | __u64 mark; | |
168 | }; | |
169 | ||
170 | /** | |
171 | * struct scifioctl_fence_signal - used for SCIF_FENCE_SIGNAL IOCTL | |
172 | * @loff: local offset | |
173 | * @lval: value to write to loffset | |
174 | * @roff: remote offset | |
175 | * @rval: value to write to roffset | |
176 | * @flags: flags | |
177 | */ | |
178 | struct scifioctl_fence_signal { | |
179 | __s64 loff; | |
180 | __u64 lval; | |
181 | __s64 roff; | |
182 | __u64 rval; | |
183 | __s32 flags; | |
184 | }; | |
185 | ||
7df20f2d SD |
186 | /** |
187 | * struct scifioctl_node_ids - used for SCIF_GET_NODEIDS IOCTL | |
188 | * @nodes: pointer to an array of node_ids | |
189 | * @self: ID of the current node | |
190 | * @len: length of array | |
191 | */ | |
192 | struct scifioctl_node_ids { | |
193 | __u64 nodes; | |
194 | __u64 self; | |
195 | __s32 len; | |
196 | }; | |
197 | ||
198 | #define SCIF_BIND _IOWR('s', 1, __u64) | |
199 | #define SCIF_LISTEN _IOW('s', 2, __s32) | |
200 | #define SCIF_CONNECT _IOWR('s', 3, struct scifioctl_connect) | |
201 | #define SCIF_ACCEPTREQ _IOWR('s', 4, struct scifioctl_accept) | |
202 | #define SCIF_ACCEPTREG _IOWR('s', 5, __u64) | |
203 | #define SCIF_SEND _IOWR('s', 6, struct scifioctl_msg) | |
204 | #define SCIF_RECV _IOWR('s', 7, struct scifioctl_msg) | |
a44f2630 SD |
205 | #define SCIF_REG _IOWR('s', 8, struct scifioctl_reg) |
206 | #define SCIF_UNREG _IOWR('s', 9, struct scifioctl_unreg) | |
207 | #define SCIF_READFROM _IOWR('s', 10, struct scifioctl_copy) | |
208 | #define SCIF_WRITETO _IOWR('s', 11, struct scifioctl_copy) | |
209 | #define SCIF_VREADFROM _IOWR('s', 12, struct scifioctl_copy) | |
210 | #define SCIF_VWRITETO _IOWR('s', 13, struct scifioctl_copy) | |
7df20f2d | 211 | #define SCIF_GET_NODEIDS _IOWR('s', 14, struct scifioctl_node_ids) |
a44f2630 SD |
212 | #define SCIF_FENCE_MARK _IOWR('s', 15, struct scifioctl_fence_mark) |
213 | #define SCIF_FENCE_WAIT _IOWR('s', 16, __s32) | |
214 | #define SCIF_FENCE_SIGNAL _IOWR('s', 17, struct scifioctl_fence_signal) | |
7df20f2d SD |
215 | |
216 | #endif /* SCIF_IOCTL_H */ |