minix/lib/libsys/pci_reserve.c

41 lines
944 B
C
Raw Normal View History

2005-12-02 15:41:46 +01:00
/*
pci_reserve.c
*/
2006-02-15 15:21:56 +01:00
#include "pci.h"
2005-12-02 15:41:46 +01:00
#include "syslib.h"
#include <minix/sysutil.h>
/*===========================================================================*
* pci_reserve *
*===========================================================================*/
2012-03-25 20:25:53 +02:00
void pci_reserve(devind)
2005-12-02 15:41:46 +01:00
int devind;
{
int r;
message m;
m.m_type= BUSC_PCI_RESERVE;
m.m1_i1= devind;
r= ipc_sendrec(pci_procnr, &m);
2005-12-02 15:41:46 +01:00
if (r != 0)
panic("pci_reserve: can't talk to PCI: %d", r);
2005-12-02 15:41:46 +01:00
if (m.m_type != 0)
panic("pci_reserve: got bad reply from PCI: %d", m.m_type);
2005-12-02 15:41:46 +01:00
}
/*===========================================================================*
* pci_reserve_ok *
*===========================================================================*/
2012-03-25 20:25:53 +02:00
int pci_reserve_ok(int devind)
{
message m;
m.m1_i1= devind;
return(_taskcall(pci_procnr, BUSC_PCI_RESERVE, &m));
}