58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/*
|
|
* Copyright 2004-2005, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
|
|
* Distributed under the terms of the MIT License.
|
|
*/
|
|
#ifndef _KERNEL_DEVICE_MANAGER_H
|
|
#define _KERNEL_DEVICE_MANAGER_H
|
|
|
|
|
|
#include <SupportDefs.h>
|
|
#include <device_manager.h>
|
|
|
|
#include <util/list.h>
|
|
|
|
|
|
typedef struct device_node_info device_node_info;
|
|
|
|
// info about a device node
|
|
struct device_node_info {
|
|
struct list_link siblings;
|
|
device_node_info *parent;
|
|
struct list children;
|
|
int32 ref_count;
|
|
|
|
driver_module_info *driver;
|
|
void *cookie;
|
|
|
|
bool registered; // true, if device is officially existent
|
|
bool blocked_by_rescan; // true, if device is blocked because of rescan
|
|
int32 num_waiting_hooks; // number of waiting hook calls
|
|
sem_id hook_sem; // sem for waiting hook calls
|
|
int32 load_block_count; // load-block nest count
|
|
int32 num_blocked_loads; // number of waiting load calls
|
|
sem_id load_block_sem; // sem for waiting load calls
|
|
int32 load_count; // # of finished load_driver() calls
|
|
int32 loading; // # of active (un)load_driver() calls
|
|
uint32 rescan_depth; // > 0 if scanning is active
|
|
struct device_attr_info *attributes; // list of attributes
|
|
uint32 num_io_resources; // number of I/O resources
|
|
io_resource_handle *io_resources; // array of I/O resource (NULL-terminated)
|
|
bool automatically_loaded; // loaded automatically because PNP_DRIVER_ALWAYS_LOADED
|
|
};
|
|
|
|
|
|
struct kernel_args;
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
extern status_t probe_for_device_type(const char *type);
|
|
extern status_t device_manager_init(struct kernel_args *args);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _KRENEL_DEVICE_MANAGER_H */
|