minix/lib/libsys/pci_rescan_bus.c

   1 /*
   2 pci_rescan_bus.c
   3 */
   4
   5 #include "pci.h"
   6 #include "syslib.h"
   7 #include <minix/sysutil.h>
   8
   9 /*===========================================================================*
  10  *                              pci_rescan_bus                               *
  11  *===========================================================================*/
  12 void pci_rescan_bus(u8_t busnr)
  13 {
  14         int r;
  15         message m;
  16
  17         m.m_type= BUSC_PCI_RESCAN;
  18         m.m1_i1= busnr;
  19
  20         r= ipc_sendrec(pci_procnr, &m);
  21         if (r != 0)
  22                 panic("pci_rescan_bus: can't talk to PCI: %d", r);
  23
  24         if (m.m_type != 0)
  25         {
  26                 panic("pci_rescan_bus: got bad reply from PCI: %d", m.m_type);
  27         }
  28 }
  29