minix/lib/libsys/pci_attr_r16.c

32 lines
655 B
C

/*
pci_attr_r16.c
*/
#include "pci.h"
#include "syslib.h"
#include <minix/sysutil.h>
/*===========================================================================*
* pci_attr_r16 *
*===========================================================================*/
PUBLIC u16_t pci_attr_r16(devind, port)
int devind;
int port;
{
int r;
message m;
m.m_type= BUSC_PCI_ATTR_R16;
m.m2_i1= devind;
m.m2_i2= port;
r= sendrec(pci_procnr, &m);
if (r != 0)
panic("syslib/" __FILE__, "pci_attr_r16: can't talk to PCI", r);
if (m.m_type != 0)
panic("syslib/" __FILE__, "pci_attr_r16: got bad reply from PCI", m.m_type);
return m.m2_l1;
}