lib/syslib/pci_init1.c

   1 /*
   2 pci_init1.c
   3 */
   4
   5 #include "pci.h"
   6 #include "syslib.h"
   7 #include <string.h>
   8 #include <unistd.h>
   9 #include <minix/sysutil.h>
  10
  11 int pci_procnr= ANY;
  12
  13 /*===========================================================================*
  14  *                              pci_init1                                    *
  15  *===========================================================================*/
  16 PUBLIC void pci_init1(name)
  17 char *name;
  18 {
  19         int r;
  20         size_t len;
  21         message m;
  22
  23         r= _pm_findproc("pci", &pci_procnr);
  24         if (r != 0)
  25                 panic("pci", "pci_init1: _pm_findproc failed for 'pci'", r);
  26
  27         m.m_type= BUSC_PCI_INIT;
  28         len= strlen(name);
  29         if (len+1 <= sizeof(m.m3_ca1))
  30                 strcpy(m.m3_ca1, name);
  31         else
  32         {
  33                 len= sizeof(m.m3_ca1)-1;
  34                 memcpy(m.m3_ca1, name, len);
  35                 m.m3_ca1[len]= '\0';
  36         }
  37         r= sendrec(pci_procnr, &m);
  38         if (r != 0)
  39                 panic("pci", "pci_init1: can't talk to PCI", r);
  40         if (m.m_type != 0)
  41                 panic("pci", "pci_init1: got bad reply from PCI", m.m_type);
  42 }
  43