minix/servers/devman/devman.h
2011-02-23 13:48:03 +00:00

108 lines
2.2 KiB
C

#ifndef _SERVERS_DEVMAN_DEVMAN_H
#define _SERVERS_DEVMAN_DEVMAN_H
#define _POSIX_SOURCE 1 /* tell headers to include POSIX stuff */
#define _MINIX 1 /* tell headers to include MINIX stuff */
#define _SYSTEM 1 /* tell headers that this is the kernel */
#define DEVMAN_SERVER 1
#include <minix/config.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <lib.h>
#include <timers.h>
#include <minix/callnr.h>
#include <minix/type.h>
#include <minix/const.h>
#include <minix/com.h>
#include <minix/syslib.h>
#include <minix/sysutil.h>
#include <minix/vfsif.h>
#include <minix/endpoint.h>
#include <minix/sysinfo.h>
#include <minix/u64.h>
#include <minix/sysinfo.h>
#include <minix/type.h>
#include <minix/ipc.h>
#include <sys/time.h>
#include <sys/times.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <minix/vtreefs.h>
#include <minix/devman.h>
#include <sys/queue.h>
#define DEVMAN_DEFAULT_MODE (S_IRUSR | S_IRGRP | S_IROTH)
#define DEVMAN_STRING_LEN 128
#define ADD_STRING "ADD "
#define REMOVE_STRING "REMOVE "
enum devman_inode_type {
DEVMAN_DEVINFO_STATIC,
DEVMAN_DEVINFO_DYNAMIC,
DEVMAN_DEVICE
};
typedef int (*devman_read_fn)
(char **ptr, size_t *len, off_t offset, void *data);
struct devman_device_file {
int minor;
int type;
};
struct devman_static_info_inode {
struct devman_device *dev;
char data[DEVMAN_STRING_LEN];
};
struct devman_event {
char data[DEVMAN_STRING_LEN];
TAILQ_ENTRY(devman_event) events;
};
struct devman_event_inode {
TAILQ_HEAD(event_head, devman_event) event_queue;
};
struct devman_inode {
struct inode *inode;
devman_read_fn read_fn;
void *data;
TAILQ_ENTRY(devman_inode) inode_list;
};
struct devman_device {
int dev_id;
char * name;
int ref_count;
int major;
#define DEVMAN_DEVICE_ZOMBIE 2
#define DEVMAN_DEVICE_BOUND 1
#define DEVMAN_DEVICE_UNBOUND 0
int state;
endpoint_t owner;
struct devman_inode inode;
struct devman_device *parent;
/* the serialized information on this device */
struct devman_device_info *info;
TAILQ_ENTRY(devman_device) siblings;
/* devices attached to the this device */
TAILQ_HEAD(children_head, devman_device) children;
TAILQ_HEAD(info_head, devman_inode) infos;
};
#endif