Virtual Devices (3.1) (vdag31qh.hlp) (Table of Contents; Topic list)
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VPICD_Physically_Unmask
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include vpicd.inc
 
mov     eax, IRQHand        ; IRQ handle
VxDcall VPICD_Physically_Unmask
 
The VPICD_Physically_Unmask service unmasks the specified IRQ on the
hardware PIC.
 
Parameter  Description
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IRQHand    Specifies the handle identifying the IRQ.
 
Return Value
 
This service has no return value.
 
Comments
 
This service unmasks the physical IRQ without regard to mask state of the
virtual machines. Even if every VM has masked the virtual IRQ, this service
unmasks the physical IRQ.
 
Uses
 
Flags
 
See Also
 
VPICD_Physically_Mask, VPICD_Set_Auto_Masking