Adaptec 1542CP - Storage Controller Fast SCSI 10 MBps Guia do Utilizador descarregar pdf (Página 142)

142 Enhanced OS-9 for X86 PCAT

Installing and Configuring Enhanced OS-9

• function_number

• vendor_id

• device_id

• rev_class

in the structure stat points to will reflect the proper values for the device

found. If no PCI next device is found, then _pci_next_device() will return

NO_DEVICE.

Header Files

MWOS/SRC/DEFS/HW/pcicnfg.h

Example

#include <const.h>

#include <pcicnfg.h>

#include <stdio.h>

#include <stdlib.h>

main()

{

pci_config_stat stat;

stat.bus_number = 0;

stat.device_number = 0;

if (_pci_next_device(&stat) == NO_DEVICE) {

printf("There are no more PCI devices on this machine.");

return EXIT_FAILURE;

} else {

printf("Next device at bus:%d device%d\n",

stat.bus_number, stat.device_number);

}

return EXIT_SUCCESS;

}

pci_get_config_data() - get PCI configuration data

Syntax

#include <pcicnfg.h>

error_code pci_get_config_data(u_int32 bus, u_int32 device, u_int32 func,

PCI_config_reg cnfg);

State

System

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Adaptec 1542CP - Storage Controller Fast SCSI 10 MBps Guia do Utilizador Página 142