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Commit 7d0e76d6 authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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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: default avatarJohan Hovold <johan@hovoldconsulting.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
parent 83d474f7

drivers/staging/greybus/arpc.h

0 → 100644
+85 −0
Original line number Diff line number Diff line 
/*

 * This file is provided under a dual BSD/GPLv2 license.  When using or

 * redistributing this file, you may do so under either license.

 *

 * GPL LICENSE SUMMARY

 *

 * Copyright(c) 2014-2016 Google Inc. All rights reserved.

 * Copyright(c) 2014-2016 Linaro Ltd. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of version 2 of the GNU General Public License as

 * published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * General Public License version 2 for more details.

 *

 * BSD LICENSE

 *

 * Copyright(c) 2014-2016 Google Inc. All rights reserved.

 * Copyright(c) 2014-2016 Linaro Ltd. 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 of Google Inc. or Linaro Ltd. 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 GOOGLE INC. OR

 * LINARO LTD. 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 __ARPC_H

#define __ARPC_H



/* APBridgeA RPC (ARPC) */



enum arpc_result {

	ARPC_SUCCESS		= 0x00,

	ARPC_NO_MEMORY		= 0x01,

	ARPC_INVALID		= 0x02,

	ARPC_TIMEOUT		= 0x03,

	ARPC_UNKNOWN_ERROR	= 0xff,

};



struct arpc_request_message {

	__le16	id;		/* RPC unique id */

	__le16	size;		/* Size in bytes of header + payload */

	__u8	type;		/* RPC type */

	__u8	data[0];	/* ARPC data */

} __packed;



struct arpc_response_message {

	__le16	id;		/* RPC unique id */

	__u8	result;		/* Result of RPC */

} __packed;





/* ARPC requests */

#define ARPC_TYPE_CPORT_RESET			0x00



struct arpc_cport_reset_req {

	__le16 cport_id;

} __packed;



#endif	/* __ARPC_H */

drivers/staging/greybus/es2.c

+1 −0
Original line number Diff line number Diff line
@@ -14,6 +14,7 @@ 
#include <linux/list.h>

#include <asm/unaligned.h>



#include "arpc.h"

#include "greybus.h"

#include "greybus_trace.h"

#include "kernel_ver.h"

drivers/staging/greybus/greybus_protocols.h

+0 −29
Original line number Diff line number Diff line
@@ -268,35 +268,6 @@ struct gb_apb_request_cport_flags { 
#define GB_APB_CPORT_FLAG_HIGH_PRIO		0x02

} __packed;



/* APBridgeA RPC (ARPC) */



enum arpc_result {

	ARPC_SUCCESS		= 0x00,

	ARPC_NO_MEMORY		= 0x01,

	ARPC_INVALID		= 0x02,

	ARPC_TIMEOUT		= 0x03,

	ARPC_UNKNOWN_ERROR	= 0xff,

};



/* ARPC request */

struct arpc_request_message {

	__le16	id;		/* RPC unique id */

	__le16	size;		/* Size in bytes of header + payload */

	__u8	type;		/* RPC type */

	__u8	data[0];	/* ARPC data */

} __packed;



/* ARPC response */

struct arpc_response_message {

	__le16	id;		/* RPC unique id */

	__u8	result;		/* Result of RPC */

} __packed;



#define ARPC_TYPE_CPORT_RESET			0x00



struct arpc_cport_reset_req {

	__le16 cport_id;

} __packed;



/* Firmware Download Protocol */