The C and C++ Include Header Files

/usr/include/linux/usbip.h


$ cat -n /usr/include/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 _LINUX_USBIP_H
     9	#define _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 /* _LINUX_USBIP_H */