The pnp_node_info structure is now a bit more public and accessible

within the kernel.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8845 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2004-09-04 17:19:41 +00:00
parent 1b4746c270
commit 77ca57637e
1 changed files with 39 additions and 1 deletions

View File

@ -1,12 +1,50 @@
/*
** Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the OpenBeOS License.
** Distributed under the terms of the Haiku License.
*/
#ifndef _KERNEL_DEVICE_MANAGER_H
#define _KERNEL_DEVICE_MANAGER_H
#include <SupportDefs.h>
#include <device_manager.h>
// info about a PnP node
typedef struct pnp_node_info {
struct pnp_node_info *prev, *next;
struct pnp_node_info *children_prev, *children_next;
struct pnp_node_info *notify_prev, *notify_next;
struct pnp_node_info *parent;
struct pnp_node_info *children;
int ref_count; // reference count; see registration.c
pnp_driver_info *driver;
void *cookie;
bool registered; // true, if device is officially existent
bool init_finished; // true, if publish_device has been completed
// (sync with loader_lock)
bool blocked_by_rescan; // true, if device is blocked because of rescan
bool verifying; // true, if driver is being verified by rescan
bool redetected; // true, if driver was redetected during rescan
int num_waiting_hooks; // number of waiting hook calls
sem_id hook_sem; // sem for waiting hook calls
int load_block_count; // load-block nest count
int num_blocked_loads; // number of waiting load calls
sem_id load_block_sem; // sem for waiting load calls
int load_count; // # of finished load_driver() calls
int loading; // # of active (un)load_driver() calls
uint rescan_depth; // > 0 if scanning is active
struct pnp_node_attr_info *attributes; // list of attributes
uint num_io_resources; // number of I/O resources
io_resource_handle *io_resources; // array of I/O resource (NULL-terminated)
int defer_probing; // > 0 defer probing for consumers of children
bool automatically_loaded; // loaded automatically because PNP_DRIVER_ALWAYS_LOADED
struct pnp_node_info *unprobed_children; // list of un-probed children
struct pnp_node_info *unprobed_prev, *unprobed_next; // link for unprobed_children
} pnp_node_info;
struct kernel_args;
#ifdef __cplusplus
extern "C" {