35 lines
981 B
C
35 lines
981 B
C
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#ifndef __DRIVER_H__
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#define __DRIVER_H__
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#include <stdarg.h>
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struct driver;
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typedef int (*fp_open_t)(const struct driver *);
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typedef int (*fp_close_t)(const struct driver *);
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typedef int (*fp_read_t)(const struct driver *, char *, unsigned int);
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typedef int (*fp_write_t)(const struct driver *, const char *, unsigned int);
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typedef int (*fp_ioctl_t)(const struct driver *, unsigned int, unsigned int argc, va_list);
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struct driver_fp {
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fp_open_t open;
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fp_close_t close;
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fp_read_t read;
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fp_write_t write;
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fp_ioctl_t ioctl;
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};
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struct driver {
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const char *name;
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const struct driver_fp *fp;
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const void *dev;
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};
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int drv_open(const struct driver *drv);
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int drv_close(const struct driver *drv);
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int drv_read(const struct driver *drv, char *buffer, unsigned int length);
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int drv_write(const struct driver *drv, const char *buffer, unsigned int length);
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int drv_ioctl(const struct driver *drv, unsigned int cmd, unsigned int argc, ...);
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#endif
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