include/uapi/linux/usbip.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /*
   3  *      usbip.h
   4  *
   5  *      USBIP uapi defines and function prototypes etc.
   6 */
   7
   8 #ifndef _UAPI_LINUX_USBIP_H
   9 #define _UAPI_LINUX_USBIP_H
  10
  11 /* usbip device status - exported in usbip device sysfs status */
  12 enum usbip_device_status {
  13         /* sdev is available. */
  14         SDEV_ST_AVAILABLE = 0x01,
  15         /* sdev is now used. */
  16         SDEV_ST_USED,
  17         /* sdev is unusable because of a fatal error. */
  18         SDEV_ST_ERROR,
  19
  20         /* vdev does not connect a remote device. */
  21         VDEV_ST_NULL,
  22         /* vdev is used, but the USB address is not assigned yet */
  23         VDEV_ST_NOTASSIGNED,
  24         VDEV_ST_USED,
  25         VDEV_ST_ERROR
  26 };
  27
  28 /* USB URB Transfer flags:
  29  *
  30  * USBIP server and client (vchi) pack URBs in TCP packets. The following
  31  * are the transfer type defines used in USBIP protocol.
  32  */
  33
  34 #define USBIP_URB_SHORT_NOT_OK          0x0001
  35 #define USBIP_URB_ISO_ASAP              0x0002
  36 #define USBIP_URB_NO_TRANSFER_DMA_MAP   0x0004
  37 #define USBIP_URB_ZERO_PACKET           0x0040
  38 #define USBIP_URB_NO_INTERRUPT          0x0080
  39 #define USBIP_URB_FREE_BUFFER           0x0100
  40 #define USBIP_URB_DIR_IN                0x0200
  41 #define USBIP_URB_DIR_OUT               0
  42 #define USBIP_URB_DIR_MASK              USBIP_URB_DIR_IN
  43
  44 #define USBIP_URB_DMA_MAP_SINGLE        0x00010000
  45 #define USBIP_URB_DMA_MAP_PAGE          0x00020000
  46 #define USBIP_URB_DMA_MAP_SG            0x00040000
  47 #define USBIP_URB_MAP_LOCAL             0x00080000
  48 #define USBIP_URB_SETUP_MAP_SINGLE      0x00100000
  49 #define USBIP_URB_SETUP_MAP_LOCAL       0x00200000
  50 #define USBIP_URB_DMA_SG_COMBINED       0x00400000
  51 #define USBIP_URB_ALIGNED_TEMP_BUFFER   0x00800000
  52
  53 #endif /* _UAPI_LINUX_USBIP_H */