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include vpicd.inc mov eax, IRQHand ; IRQ handle VxDcall VPICD_Set_Auto_Masking |
The VPICD_Set_Auto_Masking enables automatic masking for the specified IRQ. When automatic masking is enabled, the system automatically masks the physical IRQ if all virtual machines have masked the corresponding virtual IRQs. However, if at least one virtual machine has the IRQ unmasked, the physical IRQ remains unmasked.
IRQHand
Specifies the handle identifying the IRQ.
This service has no return value.
Automatic masking is the default for every IRQ. It can be overridden by the VPICD_Physically_Mask and VPICD_Physically_Unmask services.
Flags