TheeCSDump: PSD_IRQ

PSD_IRQ_EOI

PSD_IRQ_EOI keywords Optional, Default, Can't Block

Description Issue an EOI.

This function is used to issue an End-Of-Interrupt.

Mode Called in Kernel, and Interrupt mode.

Entry Pointer to PSD_IRQ structure.

Exit
NO_ERROR operation completed successfully.
-1 operation failed.

Structures

typedef struct psd_irq_s {
   ulong_t flags;    (Input)
   ulong_t data;     (Input/Output)
   ulong_t procnum;  (Input)
} PSD_IRQ;

data is the interrupt level to end.
flags is not used in this operation.
procnum is the processor number of where the operation should take place.

Notes If this function is omitted, OS/2 will perform all EOI operations for an 8259 Master/Slave based PIC system. The requests will be sent to CPU0 depending on the state of the INIT_GLOBAL_IRQ_ACCESS flag.

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PsdIrqEoi

PSD_IRQ_EOI