5eefd0fec2
- move primary I/O buffer into vtreefs; change read hook API; - add hooks for write, truncate, symlink, mknod, unlink, chmod/chown; - modernize message_hook; - change procfs, devman, gpio accordingly; Change-Id: I9f0669e41195efa3253032e95d93f0a78e9d68d6
109 lines
2.1 KiB
C
109 lines
2.1 KiB
C
#ifndef _SERVERS_DEVMAN_DEVMAN_H
|
|
#define _SERVERS_DEVMAN_DEVMAN_H
|
|
#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 <minix/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 BUF_SIZE 4097
|
|
|
|
#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 ssize_t (*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
|