gtl_config_pci_slave.c shows the GTL configuration for a Slave mode device controled over PCI

/*============================================================================
 *      COPYRIGHT(c) 2008 Mindspeed Technologies.
 *  File Purpose : GTL CSME configuration for a Master mode device
 *  Module       : GTL
============================================================================*/
/*this configuration described a single slave setup.
The host controls the slave MSP from the PCI interface" */

#include "gtl_config.h"

/* Structure to define the default values for the device configuration  */
#define DEVICE_MAC                      {0x00,0x11,0x22,0x33,0x44,0x55}

#define HOST_CONTROL_INTERFACE          "/dev/comcerto0"

#define MAX_STRING_INTERFACE_NAME       20

/* Structure to define the default values for the device configuration  */
static SPCIUsrData gtl_device_configuration_1 = {
        NULL,                   /* pointer to next device (no other device in this example)*/
        ePCI_ITF,               /* control interface type to use */
        0,                      /* device ID */
        0,                      /* Version information (not used) */
        eSLAVE,                 /* Slave / Master mode */
        DEV_TYPE_M827XX,        /* Other Slave Device type DEV_TYPE_M823XX, DEV_TYPE_M825XX, DEV_TYPE_M826XX, DEV_TYPE_M829XX */
        True,                   /* Default or custom max channels */
        0,                      /* Max Channels if above flag is custom */
        (char *)HOST_CONTROL_INTERFACE, /* host interface used to control the device */
};


void set_gtl_config(void)
{
        SPCIUsrData *this_device;

        /* chain devices configuration (if any) */
        gtl_device_configuration_1.pvNext = NULL;

        /* print the configuation of the device(s) */
        this_device = &gtl_device_configuration_1;
        do
        {
                printf("======================================================\n");
                printf("CONTROL_INTERFACE_TYPE  = %d\n", this_device->usControlInterface);
                printf("DEVICE_ID    = %d\n", this_device->uiDevId);
                printf("DEVICE_MODE  = %d\n", this_device->eDevMode);
                printf("DEVICE_TYPE  = %d\n", this_device->ucDevType);
                printf("USE_DEFAULT_MAX_CHANNEL = %d\n", this_device->bUseDefaultMaxChnls);
                printf("CUSTOM_MAX_CHANNEL = %d\n", this_device->usMaxChannels);
                printf("HOST_CONTROL_INTERFACE, %s\n", this_device->pucPCIDevName);
                this_device = this_device->pvNext;
        } while (this_device != NULL);

}

....
        VAPI_Init(&gtl_device_configuration_1)
....