kernel_liteos_a/kernel/common/console.h

148 lines
5.3 KiB
C

/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., 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:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the copyright holder 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 THE COPYRIGHT HOLDER OR
* CONTRIBUTORS 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 _CONSOLE_H
#define _CONSOLE_H
#include "sys/ioctl.h"
#include "los_config.h"
#ifdef LOSCFG_FS_VFS
#include "termios.h"
#ifdef LOSCFG_NET_TELNET
#include "telnet_dev.h"
#endif
#include "virtual_serial.h"
#include "los_cir_buf_pri.h"
#endif
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#ifdef LOSCFG_FS_VFS
/* Define two fixed console id for Console ID. */
#define CONSOLE_SERIAL 1
#define CONSOLE_TELNET 2
#define LOSCFG_PLATFORM_CONSOLE
#define STDIN 0
#define STDOUT 1
#define STDERR 2
#define CONSOLE "/dev/console"
#define CONSOLE_NAMELEN 16
#define CONSOLE_RD_BLOCK 1
#define CONSOLE_RD_NONBLOCK 0
#define CONSOLE_SHELL_KEY_EVENT 0x112
#define CONSOLE_SHELL_EXITED 0x400
#define CONSOLE_FIFO_SIZE 0x400
#define CONSOLE_NUM 2
#define CONSOLE_CIRCBUF_SIZE 0x400
typedef struct {
CirBuf cirBufCB; /* Circular buffer CB */
EVENT_CB_S sendEvent; /* Inform telnet send task */
} CirBufSendCB;
typedef struct {
UINT32 consoleID;
UINT32 consoleType;
UINT32 consoleSem;
UINT32 consoleMask;
struct Vnode *devVnode;
CHAR *name;
INT32 fd;
UINT32 refCount;
UINT32 shellEntryId;
INT32 pgrpId;
BOOL isNonBlock;
#ifdef LOSCFG_SHELL
VOID *shellHandle;
#endif
UINT32 sendTaskID;
CirBufSendCB *cirBufSendCB;
UINT8 fifo[CONSOLE_FIFO_SIZE];
UINT32 fifoOut;
UINT32 fifoIn;
UINT32 currentLen;
struct termios consoleTermios;
} CONSOLE_CB;
extern INT32 system_console_init(const CHAR *deviceName);
extern INT32 system_console_deinit(const CHAR *deviceName);
extern BOOL SetSerialNonBlock(const CONSOLE_CB *consoleCB);
extern BOOL SetSerialBlock(const CONSOLE_CB *consoleCB);
extern BOOL SetTelnetNonBlock(const CONSOLE_CB *consoleCB);
extern BOOL SetTelnetBlock(const CONSOLE_CB *consoleCB);
extern CONSOLE_CB *OsGetConsoleByID(INT32 consoleID);
extern CONSOLE_CB *OsGetConsoleByTaskID(UINT32 taskID);
extern INT32 ConsoleTaskReg(INT32 consoleID, UINT32 taskID);
extern INT32 ConsoleUpdateFd(VOID);
extern BOOL ConsoleEnable(VOID);
extern BOOL is_nonblock(const CONSOLE_CB *consoleCB);
extern BOOL IsConsoleOccupied(const CONSOLE_CB *consoleCB);
extern INT32 FilepOpen(struct file *filep, const struct file_operations_vfs *fops);
extern INT32 FilepClose(struct file *filep, const struct file_operations_vfs *fops);
extern INT32 FilepRead(struct file *filep, const struct file_operations_vfs *fops, CHAR *buffer, size_t bufLen);
extern INT32 FilepWrite(struct file *filep, const struct file_operations_vfs *fops, const CHAR *buffer, size_t bufLen);
extern INT32 FilepPoll(struct file *filep, const struct file_operations_vfs *fops, poll_table *fds);
extern INT32 FilepIoctl(struct file *filep, const struct file_operations_vfs *fops, INT32 cmd, unsigned long arg);
extern INT32 GetFilepOps(const struct file *filep, struct file **privFilep, const struct file_operations_vfs **fops);
#if (LOSCFG_KERNEL_SMP == YES)
extern VOID OsWaitConsoleSendTaskPend(UINT32 taskID);
extern VOID OsWakeConsoleSendTask(VOID);
#endif
extern VOID KillPgrp(VOID);
/* console ioctl */
#define CONSOLE_IOC_MAGIC 'c'
#define CONSOLE_CMD_RD_BLOCK_SERIAL _IO(CONSOLE_IOC_MAGIC, 1)
#define CONSOLE_CMD_RD_BLOCK_TELNET _IO(CONSOLE_IOC_MAGIC, 2)
#define CONSOLE_CONTROL_RIGHTS_CAPTURE _IO(CONSOLE_IOC_MAGIC, 3)
#define CONSOLE_CONTROL_RIGHTS_RELEASE _IO(CONSOLE_IOC_MAGIC, 4)
#define CONSOLE_CONTROL_CAPTURE_LINE _IO(CONSOLE_IOC_MAGIC, 5)
#define CONSOLE_CONTROL_CAPTURE_CHAR _IO(CONSOLE_IOC_MAGIC, 6)
#define CONSOLE_CONTROL_REG_USERTASK _IO(CONSOLE_IOC_MAGIC, 7)
#endif
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _CONSOLE_H */