minix/include/minix/chardriver.h
Ben Gras 6a73e85ad1 retire _PROTOTYPE
. only good for obsolete K&R support
	. also remove a stray ansi.h and the proto cmd
2012-03-25 16:17:10 +02:00

41 lines
1.3 KiB
C

#ifndef _MINIX_CHARDRIVER_H
#define _MINIX_CHARDRIVER_H
#include <minix/driver.h>
/* Entry points into the device dependent code of character drivers. */
struct chardriver {
int(*cdr_open) (message *m_ptr);
int(*cdr_close) (message *m_ptr);
int(*cdr_ioctl) (message *m_ptr);
struct device *(*cdr_prepare)(dev_t device);
int(*cdr_transfer) (endpoint_t endpt, int opcode, u64_t position,
iovec_t *iov, unsigned int nr_req, endpoint_t user_endpt, unsigned int
flags);
void(*cdr_cleanup) (void);
void(*cdr_alarm) (message *m_ptr);
int(*cdr_cancel) (message *m_ptr);
int(*cdr_select) (message *m_ptr);
int(*cdr_other) (message *m_ptr);
};
#define CHARDRIVER_SYNC 0 /* use the synchronous protocol */
#define CHARDRIVER_ASYNC 1 /* use the asynchronous protocol */
#define IS_CDEV_MINOR_RQ(type) (IS_DEV_RQ(type) && (type) != DEV_STATUS)
/* Functions defined by libchardriver. */
void chardriver_announce(void);
void chardriver_process(struct chardriver *cdp, int driver_type, message
*m_ptr, int ipc_status);
void chardriver_terminate(void);
void chardriver_task(struct chardriver *cdp, int driver_type);
int do_nop(message *m_ptr);
void nop_cleanup(void);
void nop_alarm(message *m_ptr);
int nop_cancel(message *m_ptr);
int nop_select(message *m_ptr);
int nop_ioctl(message *m_ptr);
#endif /* _MINIX_CHARDRIVER_H */