|
|
微软官方文档。
# _ y9 A- u+ y5 |5 o Kernel-mode device drivers are able to evaluate ACPI control methods via I/O control codes (IOCTLs). Typically, a driver evaluates ACPI control methods to initiate or configure platform-specific functionality.2 @" U B* R5 E$ B
An ACPI control method is a definition of how to interrogate or adjust system hardware. Control methods are written in the ACPI Machine Language (AML) and are interpreted by the ACPI driver in Microsoft® Windows®. These objects are loaded from the system definition in firmware into the ACPI namespace.
5 Y7 F1 V, x& U3 e Drivers can evaluate ACPI control methods within the namespace of the device object on which they are loaded. This also includes control methods in the namespace of child objects. A driver must meet the following requirements when evaluating ACPI control methods:
+ C y& M9 w7 J, |• Only WDF or WDM drivers are supported.
, r- N+ [+ A* _; F; g/ B• Drivers may evaluate control methods only within the namespace of the device object on which they are loaded. This includes the namespace of child device objects. |
|
IP卡
狗仔卡
发表于 2007-11-16 19:19:40
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡
发表于 2011-1-30 13:54:51
多谢楼主的资料too！