minix/lib/syslib/pci_init1.c

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/*
pci_init1.c
*/
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#include "pci.h"
#include "syslib.h"
#include <string.h>
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#include <unistd.h>
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#include <minix/ds.h>
#include <minix/sysutil.h>
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int pci_procnr= ANY;
/*===========================================================================*
* pci_init1 *
*===========================================================================*/
PUBLIC void pci_init1(name)
char *name;
{
int r;
u32_t u32;
size_t len;
message m;
r= ds_retrieve_u32("pci", &u32);
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if (r != 0)
panic("syslib/" __FILE__, "pci_init1: ds_retrieve_u32 failed for 'pci'", r);
pci_procnr= u32;
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m.m_type= BUSC_PCI_INIT;
len= strlen(name);
if (len+1 <= sizeof(m.m3_ca1))
strcpy(m.m3_ca1, name);
else
{
len= sizeof(m.m3_ca1)-1;
memcpy(m.m3_ca1, name, len);
m.m3_ca1[len]= '\0';
}
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r= sendrec(pci_procnr, &m);
if (r != 0)
panic("syslib/" __FILE__, "pci_init1: can't talk to PCI", r);
if (m.m_type != 0)
panic("syslib/" __FILE__, "pci_init1: got bad reply from PCI", m.m_type);
}