43 lines
1009 B
C
43 lines
1009 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("syslib/" __FILE__, "pci_reserve: can't talk to PCI", r);
|
|
|
|
if (m.m_type != 0)
|
|
panic("syslib/" __FILE__, "pci_reserve: got bad reply from PCI", m.m_type);
|
|
}
|
|
|
|
/*===========================================================================*
|
|
* pci_reserve_ok *
|
|
*===========================================================================*/
|
|
PUBLIC int pci_reserve_ok(devind)
|
|
int devind;
|
|
{
|
|
int r;
|
|
message m;
|
|
|
|
m.m1_i1= devind;
|
|
|
|
return(_taskcall(pci_procnr, BUSC_PCI_RESERVE, &m));
|
|
}
|
|
|