/**
* SET_INTERFACE.
*
* @returns success indicator.
*/
static DECLCALLBACK(int) usbProxyFreeBSDSetInterface(PUSBPROXYDEV pProxyDev, int iIf, int iAlt)
{
PUSBPROXYDEVFBSD pDevFBSD = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVFBSD);
struct usb_alt_interface UsbIntAlt;
int rc;
LogFlow(("usbProxyFreeBSDSetInterface: pProxyDev=%p iIf=%x iAlt=%x\n",
pProxyDev, iIf, iAlt));
/* We need to release kernel ressources first. */
rc = usbProxyFreeBSDFsUnInit(pProxyDev);
if (RT_FAILURE(rc))
{
LogFlow(("usbProxyFreeBSDSetInterface: Freeing kernel resources "
"failed failed rc=%d\n", rc));
return rc;
}
memset(&UsbIntAlt, 0, sizeof(UsbIntAlt));
UsbIntAlt.uai_interface_index = iIf;
UsbIntAlt.uai_alt_index = iAlt;
rc = usbProxyFreeBSDDoIoCtl(pProxyDev, USB_SET_ALTINTERFACE, &UsbIntAlt, true);
if (RT_FAILURE(rc))
{
LogFlow(("usbProxyFreeBSDSetInterface: Setting interface %d %d "
"failed rc=%d\n", iIf, iAlt, rc));
return rc;
}
return usbProxyFreeBSDFsInit(pProxyDev);
}
/**
* SET_CONFIGURATION.
*
* The caller makes sure that it's not called first time after open or reset
* with the active interface.
*
* @returns success indicator.
* @param pProxyDev The device instance data.
* @param iCfg The configuration to set.
*/
static int usbProxyFreeBSDSetConfig(PUSBPROXYDEV pProxyDev, int iCfg)
{
PUSBPROXYDEVFBSD pDevFBSD = (PUSBPROXYDEVFBSD) pProxyDev->Backend.pv;
int iCfgIndex;
int rc;
LogFlow(("usbProxyFreeBSDSetConfig: pProxyDev=%s cfg=%x\n",
pProxyDev->pUsbIns->pszName, iCfg));
/* We need to release kernel ressources first. */
rc = usbProxyFreeBSDFsUnInit(pProxyDev);
if (RT_FAILURE(rc))
{
LogFlow(("usbProxyFreeBSDSetInterface: Freeing kernel resources "
"failed failed rc=%d\n", rc));
return false;
}
if (iCfg == 0)
{
/* Unconfigure */
iCfgIndex = 255;
}
else
{
/* Get the configuration index matching the value. */
for (iCfgIndex = 0; iCfgIndex < pProxyDev->DevDesc.bNumConfigurations; iCfgIndex++)
{
if (pProxyDev->paCfgDescs[iCfgIndex].Core.bConfigurationValue == iCfg)
break;
}
if (iCfgIndex == pProxyDev->DevDesc.bNumConfigurations)
{
LogFlow(("usbProxyFreeBSDSetConfig: configuration "
"%d not found\n", iCfg));
return false;
}
}
/* Set the config */
rc = usbProxyFreeBSDDoIoCtl(pProxyDev, USB_SET_CONFIG, &iCfgIndex, true);
if (RT_FAILURE(rc))
return false;
/* Allocate kernel ressources again. */
rc = usbProxyFreeBSDFsInit(pProxyDev);
if (RT_FAILURE(rc))
return false;
return true;
}
/**
* Opens the device file.
*
* @returns VBox status code.
* @param pProxyDev The device instance.
* @param pszAddress If we are using usbfs, this is the path to the
* device. If we are using sysfs, this is a string of
* the form "sysfs:<sysfs path>//device:<device node>".
* In the second case, the two paths are guaranteed
* not to contain the substring "//".
* @param pvBackend Backend specific pointer, unused for the linux backend.
*/
static int usbProxyFreeBSDOpen(PUSBPROXYDEV pProxyDev, const char *pszAddress,
void *pvBackend)
{
int rc;
LogFlow(("usbProxyFreeBSDOpen: pProxyDev=%p pszAddress=%s\n", pProxyDev, pszAddress));
/*
* Try open the device node.
*/
RTFILE hFile;
rc = RTFileOpen(&hFile, pszAddress, RTFILE_O_READWRITE | RTFILE_O_OPEN | RTFILE_O_DENY_NONE);
if (RT_SUCCESS(rc))
{
/*
* Allocate and initialize the linux backend data.
*/
PUSBPROXYDEVFBSD pDevFBSD = (PUSBPROXYDEVFBSD)RTMemAllocZ(sizeof(USBPROXYDEVFBSD));
if (pDevFBSD)
{
pDevFBSD->hFile = hFile;
pProxyDev->Backend.pv = pDevFBSD;
rc = usbProxyFreeBSDFsInit(pProxyDev);
if (RT_SUCCESS(rc))
{
LogFlow(("usbProxyFreeBSDOpen(%p, %s): returns successfully hFile=%RTfile iActiveCfg=%d\n",
pProxyDev, pszAddress, pDevFBSD->hFile, pProxyDev->iActiveCfg));
return VINF_SUCCESS;
}
RTMemFree(pDevFBSD);
}
else
rc = VERR_NO_MEMORY;
RTFileClose(hFile);
}
else if (rc == VERR_ACCESS_DENIED)
rc = VERR_VUSB_USBFS_PERMISSION;
Log(("usbProxyFreeBSDOpen(%p, %s) failed, rc=%d!\n",
pProxyDev, pszAddress, rc));
pProxyDev->Backend.pv = NULL;
NOREF(pvBackend);
return rc;
}
/**
* Opens the device file.
*
* @returns VBox status code.
* @param pProxyDev The device instance.
* @param pszAddress If we are using usbfs, this is the path to the
* device. If we are using sysfs, this is a string of
* the form "sysfs:<sysfs path>//device:<device node>".
* In the second case, the two paths are guaranteed
* not to contain the substring "//".
* @param pvBackend Backend specific pointer, unused for the linux backend.
*/
static DECLCALLBACK(int) usbProxyFreeBSDOpen(PUSBPROXYDEV pProxyDev, const char *pszAddress,
void *pvBackend)
{
PUSBPROXYDEVFBSD pDevFBSD = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVFBSD);
int rc;
LogFlow(("usbProxyFreeBSDOpen: pProxyDev=%p pszAddress=%s\n", pProxyDev, pszAddress));
NOREF(pvBackend);
/*
* Try open the device node.
*/
RTFILE hFile;
rc = RTFileOpen(&hFile, pszAddress, RTFILE_O_READWRITE | RTFILE_O_OPEN | RTFILE_O_DENY_NONE);
if (RT_SUCCESS(rc))
{
/*
* Initialize the FreeBSD backend data.
*/
pDevFBSD->hFile = hFile;
rc = usbProxyFreeBSDFsInit(pProxyDev);
if (RT_SUCCESS(rc))
{
/*
* Create wakeup pipe.
*/
rc = RTPipeCreate(&pDevFBSD->hPipeWakeupR, &pDevFBSD->hPipeWakeupW, 0);
if (RT_SUCCESS(rc))
{
LogFlow(("usbProxyFreeBSDOpen(%p, %s): returns successfully hFile=%RTfile iActiveCfg=%d\n",
pProxyDev, pszAddress, pDevFBSD->hFile, pProxyDev->iActiveCfg));
return VINF_SUCCESS;
}
}
RTFileClose(hFile);
}
else if (rc == VERR_ACCESS_DENIED)
rc = VERR_VUSB_USBFS_PERMISSION;
Log(("usbProxyFreeBSDOpen(%p, %s) failed, rc=%d!\n",
pProxyDev, pszAddress, rc));
return rc;
}
/**
* Reset a device.
*
* @returns VBox status code.
* @param pDev The device to reset.
*/
static DECLCALLBACK(int) usbProxyFreeBSDReset(PUSBPROXYDEV pProxyDev, bool fResetOnFreeBSD)
{
PUSBPROXYDEVFBSD pDevFBSD = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVFBSD);
int iParm;
int rc = VINF_SUCCESS;
LogFlow(("usbProxyFreeBSDReset: pProxyDev=%s\n",
pProxyDev->pUsbIns->pszName));
if (!fResetOnFreeBSD)
goto done;
/* We need to release kernel ressources first. */
rc = usbProxyFreeBSDFsUnInit(pProxyDev);
if (RT_FAILURE(rc))
goto done;
/* Resetting is only possible as super-user, ignore any failures: */
iParm = 0;
rc = usbProxyFreeBSDDoIoCtl(pProxyDev, USB_DEVICEENUMERATE, &iParm, true);
if (RT_FAILURE(rc))
{
/* Set the config instead of bus reset */
iParm = 255;
rc = usbProxyFreeBSDDoIoCtl(pProxyDev, USB_SET_CONFIG, &iParm, true);
if (RT_SUCCESS(rc))
{
iParm = 0;
rc = usbProxyFreeBSDDoIoCtl(pProxyDev, USB_SET_CONFIG, &iParm, true);
}
}
usleep(10000); /* nice it! */
/* Allocate kernel ressources again. */
rc = usbProxyFreeBSDFsInit(pProxyDev);
if (RT_FAILURE(rc))
goto done;
/* Retrieve current active configuration. */
rc = usbProxyFreeBSDInit(pProxyDev);
done:
pProxyDev->cIgnoreSetConfigs = 2;
return rc;
}
