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Commit 9a901072 authored by Chris Lew's avatar Chris Lew
Browse files

mailbox: Add snapshot of MSM QMP driver 



This snapshot is taken as of msm-4.14 'commit <67942dbf2187>
("Merge "net: netfilter: IRC DCC for private clients"")'.

In addition change copyrights to SPDX format.

Change-Id: I93381a6515263d1df949d93c9e158fd373a1d003
Signed-off-by: default avatarChris Lew <clew@codeaurora.org>
parent 6465a40b

drivers/mailbox/Kconfig

+8 −0
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@@ -205,4 +205,12 @@ config MTK_CMDQ_MBOX 
	  mailbox driver. The CMDQ is used to help read/write registers with

	  critical time limitation, such as updating display configuration

	  during the vblank.



config MSM_QMP

	bool "QTI Mailbox Protocol(QMP)"

	help

	  Say yes to add support for the QTI Mailbox Protocol mailbox driver.

	  QMP is a lightweight communication protocol for sending messages to

	  a remote processor. This protocol fits into the Generic Mailbox

	  Framework. QMP uses a mailbox located in shared memory.

endif

drivers/mailbox/Makefile

+2 −0
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@@ -44,3 +44,5 @@ obj-$(CONFIG_TEGRA_HSP_MBOX) += tegra-hsp.o 
obj-$(CONFIG_STM32_IPCC) 	+= stm32-ipcc.o



obj-$(CONFIG_MTK_CMDQ_MBOX)	+= mtk-cmdq-mailbox.o



obj-$(CONFIG_MSM_QMP)   += msm_qmp.o

drivers/mailbox/msm_qmp.c

0 → 100644
+984 −0

File added.

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include/linux/mailbox/qmp.h

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/* SPDX-License-Identifier: GPL-2.0 */

/*

 * Copyright (c) 2017, The Linux Foundation. All rights reserved.

 */



#ifndef _QMP_H_

#define _QMP_H_



#include <linux/types.h>



/**

 * struct qmp_pkt - Packet structure to be used for TX and RX with QMP

 * @size	size of data

 * @data	Buffer holding data of this packet

 */

struct qmp_pkt {

	u32 size;

	void *data;

};



#endif /* _QMP_H_ */