Adaptec 1542CP - Storage Controller Fast SCSI 10 MBps Guide de l'utilisateur télécharger pdf (Page 153)

Installing and Configuring Enhanced OS-9

Enhanced OS-9 for X86 PCAT 153

Description

pci_get_irq_line() returns the status of the IRQ line on a given PCI

device at ’bus’ bus number, ’dev’ device number, ’func’ function number.

Header File

MWOS/SRC/DEFS/HW/pcicnfg.h

Example

#include <const.h>

#include <pcicnfg.h>

#include <stdio.h>

#include <stdlib.h>

main()

{

u_int8 bus, dev, func;

u_int8 irqline;

bus = 0; /* device on bus zero */

device = 11; /* device ID = 11 */

func = 0; /* function number = 0 */

irqline = pci_get_irq_line(bus, device, func);

printf("IRQ LINE = %d\n", irqline);

return EXIT_SUCCESS;

}

pci_set_irq_line() - set PCI IRQ line

Syntax

#include <pcicnfg.h>

error_code pci_set_irq_line(u_int8 bus, u_int8 dev,

u_int8 func, u_int8 irqvect);

State

System

Description

pci_set_irq_line() sets the IRQ line on a given PCI device at ’bus’ bus

number, ’dev’ device number, ’func’ function number.

Header File

MWOS/SRC/DEFS/HW/pcicnfg.h

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Adaptec 1542CP - Storage Controller Fast SCSI 10 MBps Guide de l'utilisateur Page 153