M7350/kernel/arch/arm/mach-msm/rpc_server_dog_keepalive.c
2024-09-09 08:52:07 +00:00

78 lines
2.0 KiB
C

/* arch/arm/mach-msm/rpc_server_dog_keepalive.c
*
* Copyright (C) 2007 Google, Inc.
* Copyright (c) 2009, The Linux Foundation. All rights reserved.
* Author: Iliyan Malchev <ibm@android.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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 for more details.
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <mach/msm_rpcrouter.h>
/* dog_keepalive server definitions */
#define DOG_KEEPALIVE_PROG 0x30000015
#if CONFIG_MSM_AMSS_VERSION==6210
#define DOG_KEEPALIVE_VERS 0
#define RPC_DOG_KEEPALIVE_BEACON 1
#elif (CONFIG_MSM_AMSS_VERSION==6220) || (CONFIG_MSM_AMSS_VERSION==6225)
#define DOG_KEEPALIVE_VERS 0x731fa727
#define RPC_DOG_KEEPALIVE_BEACON 2
#else
#error "Unsupported AMSS version"
#endif
#define DOG_KEEPALIVE_VERS_COMP 0x00010001
#define RPC_DOG_KEEPALIVE_NULL 0
/* TODO: Remove server registration with _VERS when modem is upated with _COMP*/
static int handle_rpc_call(struct msm_rpc_server *server,
struct rpc_request_hdr *req, unsigned len)
{
switch (req->procedure) {
case RPC_DOG_KEEPALIVE_NULL:
return 0;
case RPC_DOG_KEEPALIVE_BEACON:
return 0;
default:
return -ENODEV;
}
}
static struct msm_rpc_server rpc_server[] = {
{
.prog = DOG_KEEPALIVE_PROG,
.vers = DOG_KEEPALIVE_VERS,
.rpc_call = handle_rpc_call,
},
{
.prog = DOG_KEEPALIVE_PROG,
.vers = DOG_KEEPALIVE_VERS_COMP,
.rpc_call = handle_rpc_call,
},
};
static int __init rpc_server_init(void)
{
/* Dual server registration to support backwards compatibility vers */
int ret;
ret = msm_rpc_create_server(&rpc_server[1]);
if (ret < 0)
return ret;
return msm_rpc_create_server(&rpc_server[0]);
}
module_init(rpc_server_init);