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)
19 June 2005
© 2005 The SCO Group, Inc. All rights reserved.
OpenServer 6 and UnixWare (SVR5) HDK - June 2005