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| and Play activity and interfaces with the HAL, Executive, and device drivers. User- | |
$5&+,7(&785( | mode functionality cooperates with | |
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| configuration and interfaces with other components that need to participate in Plug |
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| and Play, such as Setup and Control Panel. |
Class
Installers
Control Panel
Applets
Spooler
(other)
Plug and Play Manager
Enumeration | Hardware | |
event | ||
control | ||
management | ||
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Setup
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| control, |
| Hardware |
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| and so on |
| event |
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User mode |
| notification |
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Kernel mode |
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| PnP |
| I/O |
| Power |
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| Manager |
| Manager |
| Manager |
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| Executive I/O Interface Plug and Play Interface | Power Management Interface |
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WDM Interface
WDM lug and Play Bus Drivers
AC I ![](/images/new-backgrounds/1270151/27015119xi2.webp)
PC Card ![](/images/new-backgrounds/1270151/27015119xi4.webp)
USB ![](/images/new-backgrounds/1270151/27015119xi6.webp)
PCI
WDM Device Drivers
More Windows Interfaces
Windows Plug and Play Drivers
Hardware Abstraction Layer ( AL)
Figure 1. Windows 2000 Plug and Play architecture
Plug and lay modules shown in igure 1 are described at length in the following
.sectionsHUQHO. PRGH3OXJDQG3OD\0DQDJHU
The
For example, the Plug and Play Manager can send requests to determine whether a device can be safely paused or removed and to give the device driver a chance to synchronize outstanding I/O requests to the incoming request. The Plug and Play Manager coordinates with the
The Power Manager is the
Windows 2000 White Paper | 6 |