Classic Input/Output Manager API. More...
#include <rtems/rtems/status.h>
Include dependency graph for io.h:
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Data Structures | |
| struct | rtems_driver_address_table |
| struct | rtems_driver_name_t |
Macros | |
| #define | SAPI_IO_EXTERN extern |
Typedefs | |
| typedef uint32_t | rtems_device_major_number |
| typedef uint32_t | rtems_device_minor_number |
| typedef rtems_status_code | rtems_device_driver |
| typedef rtems_device_driver(* | rtems_device_driver_entry) (rtems_device_major_number, rtems_device_minor_number, void *) |
Functions | |
| rtems_status_code | rtems_io_initialize (rtems_device_major_number major, rtems_device_minor_number minor, void *argument) |
| IO driver initialization. More... | |
| rtems_status_code | rtems_io_open (rtems_device_major_number major, rtems_device_minor_number minor, void *argument) |
| Opening for the IO manager. More... | |
| rtems_status_code | rtems_io_close (rtems_device_major_number major, rtems_device_minor_number minor, void *argument) |
| Closing for the IO manager. More... | |
| rtems_status_code | rtems_io_read (rtems_device_major_number major, rtems_device_minor_number minor, void *argument) |
| Reading for the IO manager. More... | |
| rtems_status_code | rtems_io_write (rtems_device_major_number major, rtems_device_minor_number minor, void *argument) |
| Writing for the IO manager. More... | |
| rtems_status_code | rtems_io_control (rtems_device_major_number major, rtems_device_minor_number minor, void *argument) |
| Control for the IO manager. More... | |
| rtems_status_code | rtems_io_lookup_name (const char *name, rtems_driver_name_t *device_info) |
| void | _IO_Initialize_all_drivers (void) |
| Initialization of all device drivers. More... | |
Device Driver Maintainance | |
| rtems_status_code | rtems_io_driver_io_error (rtems_device_major_number major, rtems_device_minor_number minor, void *arg) |
Returns RTEMS_IO_ERROR. More... | |
| rtems_status_code | rtems_io_register_driver (rtems_device_major_number major, const rtems_driver_address_table *driver_table, rtems_device_major_number *registered_major) |
| Registers and initializes the device with the device driver table driver_table and major number major. More... | |
| rtems_status_code | rtems_io_unregister_driver (rtems_device_major_number major) |
| Unregister a driver from the device driver table. More... | |
| rtems_status_code | rtems_io_register_name (const char *device_name, rtems_device_major_number major, rtems_device_minor_number minor) |
| Registers the name device_name in the file system for the device with number tuple major and minor. More... | |
Variables | |
| const size_t | _IO_Number_of_drivers |
| rtems_driver_address_table | _IO_Driver_address_table [] |
| bool | _IO_All_drivers_initialized |
Detailed Description
Classic Input/Output Manager API.
This file emulates the old Classic RTEMS IO manager directives which register and lookup names using the in-memory filesystem.
Function Documentation
◆ _IO_Initialize_all_drivers()
| void _IO_Initialize_all_drivers | ( | void | ) |
Initialization of all device drivers.
Initializes all device drivers.
Referenced by rtems_initialize_device_drivers().
◆ rtems_io_lookup_name()
| rtems_status_code rtems_io_lookup_name | ( | const char * | name, |
| rtems_driver_name_t * | device_info | ||
| ) |
- Deprecated:
- Use stat() instead.
References RTEMS_SUCCESSFUL.
