PCI(3) | Library Functions Manual | PCI(3) |
pci
, pcibus_conf_read
,
pcibus_conf_write
,
pcidev_conf_read
,
pcidev_conf_write
,
pci_findvendor
, pci_devinfo
,
pci_conf_print
, pci_drvname
,
pci_drvnameonbus
—
#include <pci.h>
int
pcibus_conf_read
(int
pcifd, unsigned int
bus, unsigned int
dev, unsigned int
func, unsigned int
reg, pcireg_t
*valp);
int
pcibus_conf_write
(int
pcifd, unsigned int
bus, unsigned int
dev, unsigned int
func, unsigned int
reg, pcireg_t
val);
int
pcidev_conf_read
(int
devfd, unsigned int
reg, pcireg_t
*valp);
int
pcidev_conf_write
(int
devfd, unsigned int
reg, pcireg_t
val);
char *
pci_findvendor
(pcireg_t
id_reg);
void
pci_devinfo
(pcireg_t
id_reg, pcireg_t
class_reg, int
showclass, char
*devinfo, size_t
len);
void
pci_conf_print
(int
pcifd, unsigned int
bus, unsigned int
dev, unsigned int
func);
int
pci_drvname
(int
pcifd, unsigned int
dev, unsigned int
func, char
*drvname, size_t
len);
int
pci_drvnameonbus
(int
pcifd, u_int bus,
u_int dev,
u_int func,
char *drvname,
size_t len);
pci
library provides support for accessing the PCI
bus by user programs.
These functions are available in the
libpci
library. Programs should be linked with
-lpci
.
pcibus_conf_read
()pcibus_conf_write
()pcidev_conf_read
()pcidev_conf_write
()pci_findvendor
()pci_devinfo
()pci_conf_print
()pci_drvname
()pci_drvnameonbus
()pci_drvname
() but also allows looking up
via PCI bus number.pcibus_conf_read
(),
pcibus_conf_write
(),
pcidev_conf_read
(),
pcidev_conf_write
(),
pci_devinfo
(), and
pci_drvname
() functions return 0 on success and -1 on
failure.
The pci_findvendor
() function returns
NULL
if the PCI vendor description cannot be
found.
pcibus_conf_read
(),
pcibus_conf_write
(),
pcidev_conf_read
(),
pcidev_conf_write
(),
pci_findvendor
(),
pci_devinfo
(), and
pci_conf_print
() functions first appeared in
NetBSD 1.6. The pci_drvname
()
function first appeared in NetBSD 7.0.
September 23, 2016 | NetBSD 9.2 |