vxworks下PCI设备驱动开发的相关函数

对于vxworks下PCI设备调试来说，pciConfigShow库函数可以帮助显示一些PCI设备的信息。

VxWorks API Reference : Driver Libraries

pciConfigShow

NAME

pciConfigShow - Show routines of PCI bus(IO mapped) library

ROUTINES

pciDeviceShow( ) - print information about PCI devices

pciHeaderShow( ) - print a header of the specified PCI device

pciFindDeviceShow( ) - find a device by deviceId, then print an information.

pciFindClassShow( ) - find a device by 24-bit class code

pciConfigStatusWordShow( ) - show the decoded value of the status word

pciConfigCmdWordShow( ) - show the decoded value of the command word

pciConfigFuncShow( ) - show configuration details about a function

pciConfigTopoShow( ) - show PCI topology

STATUS pciDeviceShow

(

int busNo /* bus number */

)

STATUS pciHeaderShow

(

int busNo, /* bus number */

int deviceNo, /* device number */

int funcNo /* function number */

)

STATUS pciFindDeviceShow

(

int vendorId, /* vendor ID */

int deviceId, /* device ID */

int index /* desired instance of device */

)

STATUS pciFindClassShow

(

int classCode, /* 24-bit class code */

int index /* desired instance of device */

)

STATUS pciConfigStatusWordShow

(

int bus, /* bus */

int device, /* device */

int function, /* function */

void * pArg /* ignored */

)

STATUS pciConfigCmdWordShow

(

int bus, /* bus */

int device, /* device */

int function, /* function */

void * pArg /* ignored */

)

STATUS pciConfigFuncShow

(

int bus, /* bus */

int device, /* device */

int function, /* function */

void * pArg /* ignored */

)

void pciConfigTopoShow ()