mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 12:25:08 +07:00
70 lines
2.8 KiB
C
70 lines
2.8 KiB
C
|
/*
|
||
|
|
* Remote processor messaging
|
||
|
|
*
|
||
|
|
* Copyright (C) 2011 Texas Instruments, Inc.
|
||
|
|
* Copyright (C) 2011 Google, Inc.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* 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 Texas Instruments 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _OMAP_RPMSG_H
|
||
|
|
#define _OMAP_RPMSG_H
|
||
|
|
|
||
|
|
/*
|
||
|
|
* enum - Predefined Mailbox Messages
|
||
|
|
*
|
||
|
|
* @RP_MBOX_READY: informs the M3's that we're up and running. this is
|
||
|
|
* part of the init sequence sent that the M3 expects to see immediately
|
||
|
|
* after it is booted.
|
||
|
|
*
|
||
|
|
* @RP_MBOX_PENDING_MSG: informs the receiver that there is an inbound
|
||
|
|
* message waiting in its own receive-side vring. please note that currently
|
||
|
|
* this message is optional: alternatively, one can explicitly send the index
|
||
|
|
* of the triggered virtqueue itself. the preferred approach will be decided
|
||
|
|
* as we progress and experiment with those two different approaches.
|
||
|
|
*
|
||
|
|
* @RP_MBOX_CRASH: this message is sent if BIOS crashes
|
||
|
|
*
|
||
|
|
* @RP_MBOX_ECHO_REQUEST: a mailbox-level "ping" message.
|
||
|
|
*
|
||
|
|
* @RP_MBOX_ECHO_REPLY: a mailbox-level reply to a "ping"
|
||
|
|
*
|
||
|
|
* @RP_MBOX_ABORT_REQUEST: a "please crash" request, used for testing the
|
||
|
|
* recovery mechanism (to some extent).
|
||
|
|
*/
|
||
|
|
enum omap_rp_mbox_messages {
|
||
|
|
RP_MBOX_READY = 0xFFFFFF00,
|
||
|
|
RP_MBOX_PENDING_MSG = 0xFFFFFF01,
|
||
|
|
RP_MBOX_CRASH = 0xFFFFFF02,
|
||
|
|
RP_MBOX_ECHO_REQUEST = 0xFFFFFF03,
|
||
|
|
RP_MBOX_ECHO_REPLY = 0xFFFFFF04,
|
||
|
|
RP_MBOX_ABORT_REQUEST = 0xFFFFFF05,
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* _OMAP_RPMSG_H */
|