diff options
Diffstat (limited to 'c/src/lib/include/rtems/libio.h')
-rw-r--r-- | c/src/lib/include/rtems/libio.h | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/c/src/lib/include/rtems/libio.h b/c/src/lib/include/rtems/libio.h deleted file mode 100644 index dcdda85aec..0000000000 --- a/c/src/lib/include/rtems/libio.h +++ /dev/null @@ -1,166 +0,0 @@ -/* - * General purpose communication channel for RTEMS to allow UNIX/POSIX - * system call behavior on top of RTEMS IO devices. - * - * TODO - * stat(2) - * unlink(2) - * rename(2) - * - * $Id$ - */ - -#ifndef _RTEMS_LIBIO_H -#define _RTEMS_LIBIO_H - -#include <sys/stat.h> - -typedef unsigned32 rtems_libio_offset_t; - -/* - * An open file data structure, indexed by 'fd' - * TODO: - * should really have a separate per/file data structure that this - * points to (eg: size, offset, driver, pathname should be in that) - */ - -typedef struct { - rtems_driver_name_t *driver; - rtems_libio_offset_t size; /* size of file */ - rtems_libio_offset_t offset; /* current offset into the file */ - unsigned32 flags; - char *pathname; /* opened pathname */ - Objects_Id sem; - unsigned32 data0; /* private to "driver" */ - void *data1; /* ... */ -} rtems_libio_t; - - -/* - * param block for read/write - * Note: it must include 'offset' instead of using iop's offset since - * we can have multiple outstanding i/o's on a device. - */ - -typedef struct { - rtems_libio_t *iop; - rtems_libio_offset_t offset; - unsigned8 *buffer; - unsigned32 count; - unsigned32 flags; - unsigned32 bytes_moved; -} rtems_libio_rw_args_t; - -/* - * param block for open/close - */ - -typedef struct { - rtems_libio_t *iop; - unsigned32 flags; - unsigned32 mode; -} rtems_libio_open_close_args_t; - -/* - * param block for ioctl - */ - -typedef struct { - rtems_libio_t *iop; - unsigned32 command; - void *buffer; - unsigned32 ioctl_return; -} rtems_libio_ioctl_args_t; - - -/* - * Values for 'flag' - */ - -#define LIBIO_FLAGS_NO_DELAY 0x0001 /* return immediately if no data */ -#define LIBIO_FLAGS_READ 0x0002 /* reading */ -#define LIBIO_FLAGS_WRITE 0x0004 /* writing */ -#define LIBIO_FLAGS_LINE_BUFFERED 0x0008 /* line buffered io (^h, ^u, etc) */ -#define LIBIO_FLAGS_OPEN 0x0100 /* device is open */ -#define LIBIO_FLAGS_APPEND 0x0200 /* all writes append */ -#define LIBIO_FLAGS_CREATE 0x0400 /* create file */ - -#define LIBIO_FLAGS_READ_WRITE (LIBIO_FLAGS_READ | LIBIO_FLAGS_WRITE) - -void rtems_libio_init(void); - -int __rtems_open(const char *pathname, unsigned32 flag, unsigned32 mode); -int __rtems_close(int fd); -int __rtems_read(int fd, void *buffer, unsigned32 count); -int __rtems_write(int fd, const void *buffer, unsigned32 count); -int __rtems_ioctl(int fd, unsigned32 command, void *buffer); -int __rtems_lseek(int fd, rtems_libio_offset_t offset, int whence); -int __rtems_fstat(int _fd, struct stat* _sbuf); - -/* - * External I/O handlers - */ -typedef struct { - int (*open)(const char *pathname, unsigned32 flag, unsigned32 mode); - int (*close)(int fd); - int (*read)(int fd, void *buffer, unsigned32 count); - int (*write)(int fd, const void *buffer, unsigned32 count); - int (*ioctl)(int fd, unsigned32 command, void *buffer); - int (*lseek)(int fd, rtems_libio_offset_t offset, int whence); -} rtems_libio_handler_t; - -void rtems_register_libio_handler(int handler_flag, - const rtems_libio_handler_t *handler); - -#define RTEMS_FILE_DESCRIPTOR_TYPE_FILE 0x0000 -#define RTEMS_FILE_DESCRIPTOR_TYPE_SOCKET 0x1000 -#define rtems_make_file_descriptor(fd,flags) ((fd)|(flags)) -#define rtems_file_descriptor_base(fd) ((fd) & 0x0FFF) -#define rtems_file_descriptor_type(fd) ((fd) & 0xF000) -#define rtems_file_descriptor_type_index(fd) ((((fd) & 0xF000) >> 12) - 1) - -/* - * IOCTL values - */ - -#define RTEMS_IO_GET_ATTRIBUTES 1 -#define RTEMS_IO_SET_ATTRIBUTES 2 -#define RTEMS_IO_TCDRAIN 3 - -/* - * Callbacks from TERMIOS routines to device-dependent code - */ -#include <termios.h> -typedef struct rtems_termios_callbacks { - int (*firstOpen)(int major, int minor, void *arg); - int (*lastClose)(int major, int minor, void *arg); - int (*pollRead)(int minor); - int (*write)(int minor, const char *buf, int len); - int (*setAttributes)(int minor, const struct termios *t); - int (*stopRemoteTx)(int minor); - int (*startRemoteTx)(int minor); - int outputUsesInterrupts; -} rtems_termios_callbacks; - -/* - * Device-independent TERMIOS routines - */ -void rtems_termios_initialize (void); -rtems_status_code rtems_termios_open ( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *arg, - const rtems_termios_callbacks *callbacks - ); -rtems_status_code rtems_termios_close (void *arg); -rtems_status_code rtems_termios_read (void *arg); -rtems_status_code rtems_termios_write (void *arg); -rtems_status_code rtems_termios_ioctl (void *arg); -int rtems_termios_enqueue_raw_characters (void *ttyp, char *buf, int len); -int rtems_termios_dequeue_characters (void *ttyp, int len); -void rtems_termios_reserve_resources( - rtems_configuration_table *configuration, - rtems_unsigned32 number_of_devices -); - -#endif /* _RTEMS_LIBIO_H */ |