39 lines
791 B
C
39 lines
791 B
C
/*
|
|
pci_get_bar.c
|
|
*/
|
|
|
|
#include "pci.h"
|
|
#include "syslib.h"
|
|
#include <minix/sysutil.h>
|
|
|
|
/*===========================================================================*
|
|
* pci_get_bar *
|
|
*===========================================================================*/
|
|
int pci_get_bar(devind, port, base, size, ioflag)
|
|
int devind;
|
|
int port;
|
|
u32_t *base;
|
|
u32_t *size;
|
|
int *ioflag;
|
|
{
|
|
int r;
|
|
message m;
|
|
|
|
m.m_type= BUSC_PCI_GET_BAR;
|
|
m.m_lsys_pci_busc_get_bar.devind = devind;
|
|
m.m_lsys_pci_busc_get_bar.port = port;
|
|
|
|
r= ipc_sendrec(pci_procnr, &m);
|
|
if (r != 0)
|
|
panic("pci_get_bar: can't talk to PCI: %d", r);
|
|
|
|
if (m.m_type == 0)
|
|
{
|
|
*base= m.m_pci_lsys_busc_get_bar.base;
|
|
*size= m.m_pci_lsys_busc_get_bar.size;
|
|
*ioflag= m.m_pci_lsys_busc_get_bar.flags;
|
|
}
|
|
return m.m_type;
|
|
}
|
|
|