int main(int argc, char **argv)
{
    RTTEST hTest;
    RTEXITCODE rcExit = RTTestInitAndCreate("numa-1", &hTest);
    if (rcExit != RTEXITCODE_SUCCESS)
        return rcExit;
    RTTestBanner(hTest);

#if defined(RT_ARCH_X86) || defined(RT_ARCH_AMD64)
    /** @todo figure basic topology. */
#endif
    if (argc == 2)
        g_cThreadsToSkip = RTStrToUInt8(argv[1]);

    doTest(hTest);

    return RTTestSummaryAndDestroy(hTest);
}
static int solarisWalkDeviceNode(di_node_t Node, void *pvArg)
{
    PUSBDEVICELIST pList = (PUSBDEVICELIST)pvArg;
    AssertPtrReturn(pList, DI_WALK_TERMINATE);

    /*
     * Check if it's a USB device in the first place.
     */
    bool fUSBDevice = false;
    char *pszCompatNames = NULL;
    int cCompatNames = di_compatible_names(Node, &pszCompatNames);
    for (int i = 0; i < cCompatNames; i++, pszCompatNames += strlen(pszCompatNames) + 1)
        if (!strncmp(pszCompatNames, "usb", 3))
        {
            fUSBDevice = true;
            break;
        }

    if (!fUSBDevice)
        return DI_WALK_CONTINUE;

    /*
     * Check if it's a device node or interface.
     */
    int *pInt = NULL;
    char *pStr = NULL;
    int rc = DI_WALK_CONTINUE;
    if (di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "interface", &pInt) < 0)
    {
        /* It's a device node. */
        char *pszDevicePath = di_devfs_path(Node);
        PUSBDEVICE pCur = (PUSBDEVICE)RTMemAllocZ(sizeof(*pCur));
        if (!pCur)
        {
            LogRel(("USBService: failed to allocate %d bytes for PUSBDEVICE.\n", sizeof(*pCur)));
            return DI_WALK_TERMINATE;
        }

        bool fValidDevice = false;
        do
        {
            AssertBreak(pszDevicePath);

            char *pszDriverName = di_driver_name(Node);

            /*
             * Skip hubs
             */
            if (   pszDriverName
                && !strcmp(pszDriverName, "hubd"))
            {
                break;
            }

            /*
             * Mandatory.
             * snv_85 and above have usb-dev-descriptor node properties, but older one's do not.
             * So if we cannot obtain the entire device descriptor, we try falling back to the
             * individual properties (those must not fail, if it does we drop the device).
             */
            uchar_t *pDevData = NULL;
            int cbProp = di_prop_lookup_bytes(DDI_DEV_T_ANY, Node, "usb-dev-descriptor", &pDevData);
            if (   cbProp > 0
                && pDevData)
            {
                usb_dev_descr_t *pDeviceDescriptor = (usb_dev_descr_t *)pDevData;
                pCur->bDeviceClass = pDeviceDescriptor->bDeviceClass;
                pCur->bDeviceSubClass = pDeviceDescriptor->bDeviceSubClass;
                pCur->bDeviceProtocol = pDeviceDescriptor->bDeviceProtocol;
                pCur->idVendor = pDeviceDescriptor->idVendor;
                pCur->idProduct = pDeviceDescriptor->idProduct;
                pCur->bcdDevice = pDeviceDescriptor->bcdDevice;
                pCur->bcdUSB = pDeviceDescriptor->bcdUSB;
                pCur->bNumConfigurations = pDeviceDescriptor->bNumConfigurations;
                pCur->fPartialDescriptor = false;
            }
            else
            {
                AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-vendor-id", &pInt) > 0);
                pCur->idVendor = (uint16_t)*pInt;

                AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-product-id", &pInt) > 0);
                pCur->idProduct = (uint16_t)*pInt;

                AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-revision-id", &pInt) > 0);
                pCur->bcdDevice = (uint16_t)*pInt;

                AssertBreak(di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "usb-release", &pInt) > 0);
                pCur->bcdUSB = (uint16_t)*pInt;

                pCur->fPartialDescriptor = true;
            }

            char *pszPortAddr = di_bus_addr(Node);
            if (pszPortAddr)
                pCur->bPort = RTStrToUInt8(pszPortAddr);     /* Bus & Port are mixed up (kernel driver/userland) */
            else
                pCur->bPort = 0;

            char pathBuf[PATH_MAX];
            RTStrPrintf(pathBuf, sizeof(pathBuf), "%s", pszDevicePath);
            RTPathStripFilename(pathBuf);

            char szBuf[PATH_MAX + 48];
            RTStrPrintf(szBuf, sizeof(szBuf), "%#x:%#x:%d:%s", pCur->idVendor, pCur->idProduct, pCur->bcdDevice, pathBuf);
            pCur->pszAddress = RTStrDup(szBuf);

            pCur->pszDevicePath = RTStrDup(pszDevicePath);
            AssertBreak(pCur->pszDevicePath);

            /*
             * Optional (some devices don't have all these)
             */
            if (di_prop_lookup_strings(DDI_DEV_T_ANY, Node, "usb-product-name", &pStr) > 0)
                pCur->pszProduct = RTStrDup(pStr);

            if (di_prop_lookup_strings(DDI_DEV_T_ANY, Node, "usb-vendor-name", &pStr) > 0)
                pCur->pszManufacturer = RTStrDup(pStr);

            if (di_prop_lookup_strings(DDI_DEV_T_ANY, Node, "usb-serialno", &pStr) > 0)
                pCur->pszSerialNumber = RTStrDup(pStr);

            if (di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "low-speed", &pInt) >= 0)
                pCur->enmSpeed = USBDEVICESPEED_LOW;
            else if (di_prop_lookup_ints(DDI_DEV_T_ANY, Node, "high-speed", &pInt) >= 0)
                pCur->enmSpeed = USBDEVICESPEED_HIGH;
            else
                pCur->enmSpeed = USBDEVICESPEED_FULL;

            /* Determine state of the USB device. */
            pCur->enmState = solarisDetermineUSBDeviceState(pCur, Node);

            /*
             * Valid device, add it to the list.
             */
            fValidDevice = true;
            pCur->pPrev = pList->pTail;
            if (pList->pTail)
                pList->pTail = pList->pTail->pNext = pCur;
            else
                pList->pTail = pList->pHead = pCur;

            rc = DI_WALK_CONTINUE;
        } while(0);

        di_devfs_path_free(pszDevicePath);
        if (!fValidDevice)
            solarisFreeUSBDevice(pCur);
    }
    return rc;
}