linux/drivers/usb/usbip/vhci.h

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2003-2008 Takahiro Hirofuchi
 * Copyright (C) 2015 Nobuo Iwata
 */

#ifndef __USBIP_VHCI_H
#define __USBIP_VHCI_H

#include <linux/device.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/sysfs.h>
#include <linux/types.h>
#include <linux/usb.h>
#include <linux/usb/hcd.h>
#include <linux/wait.h>

struct vhci_device { … };

/* urb->hcpriv, use container_of() */
struct vhci_priv { … };

struct vhci_unlink { … };

enum hub_speed { … };

/* Number of supported ports. Value has an upperbound of USB_MAXCHILDREN */
#ifdef CONFIG_USBIP_VHCI_HC_PORTS
#define VHCI_HC_PORTS …
#else
#define VHCI_HC_PORTS …
#endif

/* Each VHCI has 2 hubs (USB2 and USB3), each has VHCI_HC_PORTS ports */
#define VHCI_PORTS …

#ifdef CONFIG_USBIP_VHCI_NR_HCS
#define VHCI_NR_HCS …
#else
#define VHCI_NR_HCS …
#endif

#define MAX_STATUS_NAME …

struct vhci { … };

/* for usb_hcd.hcd_priv[0] */
struct vhci_hcd { … };

extern int vhci_num_controllers;
extern struct vhci *vhcis;
extern struct attribute_group vhci_attr_group;

/* vhci_hcd.c */
void rh_port_connect(struct vhci_device *vdev, enum usb_device_speed speed);

/* vhci_sysfs.c */
int vhci_init_attr_group(void);
void vhci_finish_attr_group(void);

/* vhci_rx.c */
struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev, __u32 seqnum);
int vhci_rx_loop(void *data);

/* vhci_tx.c */
int vhci_tx_loop(void *data);

static inline __u32 port_to_rhport(__u32 port)
{ … }

static inline int port_to_pdev_nr(__u32 port)
{ … }

static inline struct vhci_hcd *hcd_to_vhci_hcd(struct usb_hcd *hcd)
{ … }

static inline struct device *hcd_dev(struct usb_hcd *hcd)
{ … }

static inline const char *hcd_name(struct usb_hcd *hcd)
{ … }

static inline struct usb_hcd *vhci_hcd_to_hcd(struct vhci_hcd *vhci_hcd)
{ … }

static inline struct vhci_hcd *vdev_to_vhci_hcd(struct vhci_device *vdev)
{ … }

#endif /* __USBIP_VHCI_H */