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1/*
2 * Remote processor messaging
3 *
4 * Copyright (C) 2011 Texas Instruments, Inc.
5 * Copyright (C) 2011 Google, Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * * Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 * * Neither the name Texas Instruments nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35#ifndef _OMAP_RPMSG_H
36#define _OMAP_RPMSG_H
37
38/*
39 * enum - Predefined Mailbox Messages
40 *
41 * @RP_MBOX_READY: informs the M3's that we're up and running. this is
42 * part of the init sequence sent that the M3 expects to see immediately
43 * after it is booted.
44 *
45 * @RP_MBOX_PENDING_MSG: informs the receiver that there is an inbound
46 * message waiting in its own receive-side vring. please note that currently
47 * this message is optional: alternatively, one can explicitly send the index
48 * of the triggered virtqueue itself. the preferred approach will be decided
49 * as we progress and experiment with those two different approaches.
50 *
51 * @RP_MBOX_CRASH: this message is sent if BIOS crashes
52 *
53 * @RP_MBOX_ECHO_REQUEST: a mailbox-level "ping" message.
54 *
55 * @RP_MBOX_ECHO_REPLY: a mailbox-level reply to a "ping"
56 *
57 * @RP_MBOX_ABORT_REQUEST: a "please crash" request, used for testing the
58 * recovery mechanism (to some extent).
59 */
60enum omap_rp_mbox_messages {
61 RP_MBOX_READY = 0xFFFFFF00,
62 RP_MBOX_PENDING_MSG = 0xFFFFFF01,
63 RP_MBOX_CRASH = 0xFFFFFF02,
64 RP_MBOX_ECHO_REQUEST = 0xFFFFFF03,
65 RP_MBOX_ECHO_REPLY = 0xFFFFFF04,
66 RP_MBOX_ABORT_REQUEST = 0xFFFFFF05,
67};
68
69#endif /* _OMAP_RPMSG_H */
70

Warning: That file was not part of the compilation database. It may have many parsing errors.