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