minix3/lib/libsys/pci_attr_w16.c

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2020-02-21 00:59:27 +05:30
/*
pci_attr_w16.c
*/
#include "pci.h"
#include "syslib.h"
#include <minix/sysutil.h>
/*===========================================================================*
* pci_attr_w16 *
*===========================================================================*/
void pci_attr_w16(int devind, int port, u16_t value)
{
int r;
message m;
m.m_type= BUSC_PCI_ATTR_W16;
m.m2_i1= devind;
m.m2_i2= port;
m.m2_l1= value;
r= ipc_sendrec(pci_procnr, &m);
if (r != 0)
panic("pci_attr_w16: can't talk to PCI: %d", r);
if (m.m_type != 0)
panic("pci_attr_w16: got bad reply from PCI: %d", m.m_type);
}