78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
|
/****************************************************************************
|
||
|
|
*
|
||
|
|
* Copyright (c) 2014 - 2016 Samsung Electronics Co., Ltd. All rights reserved
|
||
|
|
*
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Maxwell mxlog transport (Interface)
|
||
|
|
*
|
||
|
|
* Provides communication between the firmware and the host.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef MXLOG_TRANSPORT_H__
|
||
|
|
#define MXLOG_TRANSPORT_H__
|
||
|
|
|
||
|
|
/** Uses */
|
||
|
|
#include <linux/kthread.h>
|
||
|
|
#include "mifstream.h"
|
||
|
|
|
||
|
|
struct mxlog_transport;
|
||
|
|
|
||
|
|
typedef int (*mxlog_header_handler)(u32 header, u8 *phase,
|
||
|
|
u8 *level, u32 *num_bytes);
|
||
|
|
/**
|
||
|
|
* Transport channel callback handler. This will be invoked each time a message on a channel is
|
||
|
|
* received. Handlers may perform work within their callback implementation, but should not block.
|
||
|
|
* The detected phase is passed as first parameter.
|
||
|
|
*
|
||
|
|
* Note that the message pointer passed is only valid for the duration of the function call.
|
||
|
|
*/
|
||
|
|
typedef void (*mxlog_channel_handler)(u8 phase, const void *message,
|
||
|
|
size_t length, u32 level, void *data);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Initialises the maxwell management transport and configures the necessary
|
||
|
|
* interrupt handlers.
|
||
|
|
*/
|
||
|
|
int mxlog_transport_init(struct mxlog_transport *mxlog_transport, struct scsc_mx *mx);
|
||
|
|
void mxlog_transport_release(struct mxlog_transport *mxlog_transport);
|
||
|
|
/*
|
||
|
|
* Initialises the configuration area incl. Maxwell Infrastructure Configuration,
|
||
|
|
* MIF Management Transport Configuration and MIF Management Stream Configuration.
|
||
|
|
*/
|
||
|
|
void mxlog_transport_config_serialise(struct mxlog_transport *mxlog_transport, struct mxlogconf *mxlogconf);
|
||
|
|
void mxlog_transport_register_channel_handler(struct mxlog_transport *mxlog_transport,
|
||
|
|
mxlog_header_handler parser,
|
||
|
|
mxlog_channel_handler handler,
|
||
|
|
void *data);
|
||
|
|
void mxlog_transport_set_error(struct mxlog_transport *mxlog_transport);
|
||
|
|
|
||
|
|
#define MXLOG_THREAD_NAME_MAX_LENGTH 32
|
||
|
|
struct mxlog_thread {
|
||
|
|
struct task_struct *task;
|
||
|
|
char name[MXLOG_THREAD_NAME_MAX_LENGTH];
|
||
|
|
int prio;
|
||
|
|
struct completion completion;
|
||
|
|
wait_queue_head_t wakeup_q;
|
||
|
|
unsigned int wakeup_flag;
|
||
|
|
/*
|
||
|
|
* Use it to block the I/O thread when
|
||
|
|
* an error occurs.
|
||
|
|
*/
|
||
|
|
int block_thread;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct mxlog_transport {
|
||
|
|
struct scsc_mx *mx;
|
||
|
|
struct mxlog_thread mxlog_thread;
|
||
|
|
struct mif_stream mif_stream;
|
||
|
|
mxlog_header_handler header_handler_fn;
|
||
|
|
mxlog_channel_handler channel_handler_fn;
|
||
|
|
void *channel_handler_data;
|
||
|
|
struct mutex lock;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* MXLOG_TRANSPORT_H__ */
|