Esempio n. 1
0
static void
uhid_close(struct usb_fifo *fifo, int fflags)
{
	if (fflags & (FREAD | FWRITE)) {
		usb_fifo_free_buffer(fifo);
	}
}
int
ugen_fs_uninit(struct usb_fifo *f)
{
	if (f->fs_xfer == NULL) {
		return (EINVAL);
	}
	usbd_transfer_unsetup(f->fs_xfer, f->fs_ep_max);
	free(f->fs_xfer, M_USB);
	f->fs_xfer = NULL;
	f->fs_ep_max = 0;
	f->fs_ep_ptr = NULL;
	f->flag_iscomplete = 0;
	usb_fifo_free_buffer(f);
	return (0);
}
static void
ugen_close(struct usb_fifo *f, int fflags)
{
	DPRINTFN(6, "flag=0x%x\n", fflags);

	/* cleanup */

	mtx_lock(f->priv_mtx);
	usbd_transfer_stop(f->xfer[0]);
	usbd_transfer_stop(f->xfer[1]);
	mtx_unlock(f->priv_mtx);

	usbd_transfer_unsetup(f->xfer, 2);
	usb_fifo_free_buffer(f);

	if (ugen_fs_uninit(f)) {
		/* ignore any errors - we are closing */
		DPRINTFN(6, "no FIFOs\n");
	}
}
static int
ugen_ioctl_post(struct usb_fifo *f, u_long cmd, void *addr, int fflags)
{
	union {
		struct usb_interface_descriptor *idesc;
		struct usb_alt_interface *ai;
		struct usb_device_descriptor *ddesc;
		struct usb_config_descriptor *cdesc;
		struct usb_device_stats *stat;
		struct usb_fs_init *pinit;
		struct usb_fs_uninit *puninit;
		uint32_t *ptime;
		void   *addr;
		int    *pint;
	}     u;
	struct usb_device_descriptor *dtemp;
	struct usb_config_descriptor *ctemp;
	struct usb_interface *iface;
	int error = 0;
	uint8_t n;

	u.addr = addr;

	DPRINTFN(6, "cmd=0x%08lx\n", cmd);

	switch (cmd) {
	case USB_DISCOVER:
		usb_needs_explore_all();
		break;

	case USB_SETDEBUG:
		if (!(fflags & FWRITE)) {
			error = EPERM;
			break;
		}
		usb_debug = *(int *)addr;
		break;

	case USB_GET_CONFIG:
		*(int *)addr = f->udev->curr_config_index;
		break;

	case USB_SET_CONFIG:
		if (!(fflags & FWRITE)) {
			error = EPERM;
			break;
		}
		error = ugen_set_config(f, *(int *)addr);
		break;

	case USB_GET_ALTINTERFACE:
		iface = usbd_get_iface(f->udev,
		    u.ai->uai_interface_index);
		if (iface && iface->idesc) {
			u.ai->uai_alt_index = iface->alt_index;
		} else {
			error = EINVAL;
		}
		break;

	case USB_SET_ALTINTERFACE:
		if (!(fflags & FWRITE)) {
			error = EPERM;
			break;
		}
		error = ugen_set_interface(f,
		    u.ai->uai_interface_index, u.ai->uai_alt_index);
		break;

	case USB_GET_DEVICE_DESC:
		dtemp = usbd_get_device_descriptor(f->udev);
		if (!dtemp) {
			error = EIO;
			break;
		}
		*u.ddesc = *dtemp;
		break;

	case USB_GET_CONFIG_DESC:
		ctemp = usbd_get_config_descriptor(f->udev);
		if (!ctemp) {
			error = EIO;
			break;
		}
		*u.cdesc = *ctemp;
		break;

	case USB_GET_FULL_DESC:
		error = ugen_get_cdesc(f, addr);
		break;

	case USB_GET_STRING_DESC:
		error = ugen_get_sdesc(f, addr);
		break;

	case USB_GET_IFACE_DRIVER:
		error = ugen_get_iface_driver(f, addr);
		break;

	case USB_REQUEST:
	case USB_DO_REQUEST:
		if (!(fflags & FWRITE)) {
			error = EPERM;
			break;
		}
		error = ugen_do_request(f, addr);
		break;

	case USB_DEVICEINFO:
	case USB_GET_DEVICEINFO:
		error = usb_gen_fill_deviceinfo(f, addr);
		break;

	case USB_DEVICESTATS:
		for (n = 0; n != 4; n++) {

			u.stat->uds_requests_fail[n] =
			    f->udev->bus->stats_err.uds_requests[n];

			u.stat->uds_requests_ok[n] =
			    f->udev->bus->stats_ok.uds_requests[n];
		}
		break;

	case USB_DEVICEENUMERATE:
		error = ugen_re_enumerate(f);
		break;

	case USB_GET_PLUGTIME:
		*u.ptime = f->udev->plugtime;
		break;

	case USB_CLAIM_INTERFACE:
	case USB_RELEASE_INTERFACE:
		/* TODO */
		break;

	case USB_IFACE_DRIVER_ACTIVE:
		/* TODO */
		*u.pint = 0;
		break;

	case USB_IFACE_DRIVER_DETACH:
		/* TODO */
		error = priv_check(curthread, PRIV_DRIVER);
		if (error) {
			break;
		}
		error = EINVAL;
		break;

	case USB_SET_POWER_MODE:
		error = ugen_set_power_mode(f, *u.pint);
		break;

	case USB_GET_POWER_MODE:
		*u.pint = ugen_get_power_mode(f);
		break;

	case USB_SET_PORT_ENABLE:
		error = ugen_do_port_feature(f,
		    *u.pint, 1, UHF_PORT_ENABLE);
		break;

	case USB_SET_PORT_DISABLE:
		error = ugen_do_port_feature(f,
		    *u.pint, 0, UHF_PORT_ENABLE);
		break;

	case USB_FS_INIT:
		/* verify input parameters */
		if (u.pinit->pEndpoints == NULL) {
			error = EINVAL;
			break;
		}
		if (u.pinit->ep_index_max > 127) {
			error = EINVAL;
			break;
		}
		if (u.pinit->ep_index_max == 0) {
			error = EINVAL;
			break;
		}
		if (f->fs_xfer != NULL) {
			error = EBUSY;
			break;
		}
		if (f->dev_ep_index != 0) {
			error = EINVAL;
			break;
		}
		if (ugen_fifo_in_use(f, fflags)) {
			error = EBUSY;
			break;
		}
		error = usb_fifo_alloc_buffer(f, 1, u.pinit->ep_index_max);
		if (error) {
			break;
		}
		f->fs_xfer = malloc(sizeof(f->fs_xfer[0]) *
		    u.pinit->ep_index_max, M_USB, M_WAITOK | M_ZERO);
		if (f->fs_xfer == NULL) {
			usb_fifo_free_buffer(f);
			error = ENOMEM;
			break;
		}
		f->fs_ep_max = u.pinit->ep_index_max;
		f->fs_ep_ptr = u.pinit->pEndpoints;
		break;

	case USB_FS_UNINIT:
		if (u.puninit->dummy != 0) {
			error = EINVAL;
			break;
		}
		error = ugen_fs_uninit(f);
		break;

	default:
		mtx_lock(f->priv_mtx);
		error = ugen_iface_ioctl(f, cmd, addr, fflags);
		mtx_unlock(f->priv_mtx);
		break;
	}
	DPRINTFN(6, "error=%d\n", error);
	return (error);
}