minix/lib/libsys/pci_reserve.c
2010-03-10 13:19:27 +00:00

40 lines
954 B
C

/*
pci_reserve.c
*/
#include "pci.h"
#include "syslib.h"
#include <minix/sysutil.h>
/*===========================================================================*
* pci_reserve *
*===========================================================================*/
PUBLIC void pci_reserve(devind)
int devind;
{
int r;
message m;
m.m_type= BUSC_PCI_RESERVE;
m.m1_i1= devind;
r= sendrec(pci_procnr, &m);
if (r != 0)
panic("pci_reserve: can't talk to PCI: %d", r);
if (m.m_type != 0)
panic("pci_reserve: got bad reply from PCI: %d", m.m_type);
}
/*===========================================================================*
* pci_reserve_ok *
*===========================================================================*/
PUBLIC int pci_reserve_ok(int devind)
{
message m;
m.m1_i1= devind;
return(_taskcall(pci_procnr, BUSC_PCI_RESERVE, &m));
}