SVR5 and SCO OpenServer 5

RelReqIRQ(D4pccard)

RelReqIRQ -- describe IRQ used by PC Card device

Syntax

   #include <sys/lcs.h>
   #include <sys/lss.h>

Description

The RelReqIRQ structure is used to request or release IRQs. Only the CardService database of resources is adjusted by this service.

Structure definition

   unsigned short  	usSocket;
   unsigned short  	usAttributes;
   unsigned char   	ucAssignedIRQ;
   unsigned char   	ucIRQInfo1;
   unsigned short  	usIRQInfo2;

Structure members

The members are defined as:

usSocket

Logical socket.

usAttributes

Valid values are:

REQ_IRQ_TYPE_MASK
REQ_IRQ_TYPE_EXCLUSIVE
REQ_IRQ_TYPE_TIME_MUX
REQ_IRQ_TYPE_DYNAMIC_SHARING
REQ_IRQ_FORCED_PULSE
REQ_IRQ_FIRST_SHARED
REQ_IRQ_PULSE_ALLOCATED

ucAssignedIRQ

IRQ number assigned by CS.

ucIRQInfo1

Valid values are:

REQ_IRQ_INFO1_MASK
REQ_IRQ_INFO1_NMI
REQ_IRQ_INFO1_IOCK
REQ_IRQ_INFO1_BERR
REQ_IRQ_INFO1_VEND
REQ_IRQ_INFO2_VALID
REQ_IRQ_INFO1_LEVEL
REQ_IRQ_INFO1_PULSE
REQ_IRQ_OMFO1_SHARE

usIRQInfo2

Optional TPCE=IR IRQ bytes.

Usage

Hardware applicability

All

Version applicability

pccard: 1, 2, 3

References

ReleaseIRQ(D3pccard), RequestIRQ(D3pccard)