lib/syslib/pci_attr_w16.c

   1 /*
   2 pci_attr_w16.c
   3 */
   4
   5 #include "pci.h"
   6 #include "syslib.h"
   7 #include <minix/sysutil.h>
   8
   9 /*===========================================================================*
  10  *                              pci_attr_w16                                 *
  11  *===========================================================================*/
  12 PUBLIC void pci_attr_w16(devind, port, value)
  13 int devind;
  14 int port;
  15 u16_t value;
  16 {
  17         int r;
  18         message m;
  19
  20         m.m_type= BUSC_PCI_ATTR_W16;
  21         m.m2_i1= devind;
  22         m.m2_i2= port;
  23         m.m2_l1= value;
  24
  25         r= sendrec(pci_procnr, &m);
  26         if (r != 0)
  27                 panic("pci", "pci_attr_w16: can't talk to PCI", r);
  28
  29         if (m.m_type != 0)
  30                 panic("pci", "pci_attr_w16: got bad reply from PCI", m.m_type);
  31 }
  32