greybus: arpc: move arpc definitions to their own header
Move the ARPC definitions to their own header. ARPC is not part of greybus, but is rather an implementation-specific means of communicating with a certain class of host-device hardware. Note that the same is true for the APBA USB vendor requests, but we keep them in the greybus header for the time being. Signed-off-by: Johan Hovold <johan@hovoldconsulting.com> Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>hifive-unleashed-5.1
Johan Hovold
Greg Kroah-Hartman
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83d474f7aa
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@ -0,0 +1,85 @@
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/*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2014-2016 Google Inc. All rights reserved.
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* Copyright(c) 2014-2016 Linaro Ltd. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License version 2 for more details.
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*
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* BSD LICENSE
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*
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* Copyright(c) 2014-2016 Google Inc. All rights reserved.
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* Copyright(c) 2014-2016 Linaro Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. or Linaro Ltd. nor the names of
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* its contributors may be used to endorse or promote products
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* derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR
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* LINARO LTD. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __ARPC_H
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#define __ARPC_H
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/* APBridgeA RPC (ARPC) */
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enum arpc_result {
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ARPC_SUCCESS = 0x00,
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ARPC_NO_MEMORY = 0x01,
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ARPC_INVALID = 0x02,
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ARPC_TIMEOUT = 0x03,
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ARPC_UNKNOWN_ERROR = 0xff,
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};
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struct arpc_request_message {
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__le16 id; /* RPC unique id */
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__le16 size; /* Size in bytes of header + payload */
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__u8 type; /* RPC type */
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__u8 data[0]; /* ARPC data */
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} __packed;
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struct arpc_response_message {
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__le16 id; /* RPC unique id */
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__u8 result; /* Result of RPC */
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} __packed;
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/* ARPC requests */
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#define ARPC_TYPE_CPORT_RESET 0x00
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struct arpc_cport_reset_req {
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__le16 cport_id;
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} __packed;
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#endif /* __ARPC_H */
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@ -14,6 +14,7 @@
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#include <linux/list.h>
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#include <asm/unaligned.h>
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#include "arpc.h"
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#include "greybus.h"
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#include "greybus_trace.h"
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#include "kernel_ver.h"
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@ -268,35 +268,6 @@ struct gb_apb_request_cport_flags {
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#define GB_APB_CPORT_FLAG_HIGH_PRIO 0x02
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} __packed;
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/* APBridgeA RPC (ARPC) */
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enum arpc_result {
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ARPC_SUCCESS = 0x00,
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ARPC_NO_MEMORY = 0x01,
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ARPC_INVALID = 0x02,
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ARPC_TIMEOUT = 0x03,
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ARPC_UNKNOWN_ERROR = 0xff,
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};
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/* ARPC request */
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struct arpc_request_message {
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__le16 id; /* RPC unique id */
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__le16 size; /* Size in bytes of header + payload */
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__u8 type; /* RPC type */
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__u8 data[0]; /* ARPC data */
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} __packed;
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/* ARPC response */
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struct arpc_response_message {
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__le16 id; /* RPC unique id */
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__u8 result; /* Result of RPC */
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} __packed;
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#define ARPC_TYPE_CPORT_RESET 0x00
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struct arpc_cport_reset_req {
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__le16 cport_id;
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} __packed;
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/* Firmware Download Protocol */
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