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 */
12enum 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 */
54