pci_bios_present(D3hpci)

pci_bios_present -- determine details of the PCI system platform

Synopsis

   #include <sys/types.h>
   #include <sys/hpci.h>
   #include <sys/hpci_bios.h>
   #include <sys/ddi.h>
   
   int pci_bios_present(rm_key_t hpci, uchar_t *maxbus,
                ushort_t *bus_rev, uchar_t * conf_cycle_type);

Description

pci_bios_present( )

Arguments

hpci: resource manager key for this instance of the hot plug controller.
maxbus: outarg corresponding to the maximum PCI bus number on the system.
bus_rev: bus version. valid values are PCI_REV_2_0 and PCI_REV_2_1.
conf_cycle_type: Values in this field are as defined in the PCI BIOS Specification, Revision 2.1, August 26, 1994.

Return values

This function returns values as per corresponding 2.1 PCI BIOS calls.

Usage

Context and synchronization

Blockable context

Hardware applicability

All

Version applicability

hpci: 1

References

``Hotplug devices'' in HDK Technical Reference
``PCI'' in HDK Technical Reference

PCI Special Interest Group, PCI BIOS Specification, Revision 2.1, August 26, 1994.