/* * Copyright (C) 2003-2008 Takahiro Hirofuchi * Copyright (C) 2015 Nobuo Iwata * * This is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * */ #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 { struct usb_device *udev; /* * devid specifies a remote usb device uniquely instead * of combination of busnum and devnum. */ __u32 devid; /* speed of a remote device */ enum usb_device_speed speed; /* vhci root-hub port to which this device is attached */ __u32 rhport; struct usbip_device ud; /* lock for the below link lists */ spinlock_t priv_lock; /* vhci_priv is linked to one of them. */ struct list_head priv_tx; struct list_head priv_rx; /* vhci_unlink is linked to one of them */ struct list_head unlink_tx; struct list_head unlink_rx; /* vhci_tx thread sleeps for this queue */ wait_queue_head_t waitq_tx; }; /* urb->hcpriv, use container_of() */ struct vhci_priv { unsigned long seqnum; struct list_head list; struct vhci_device *vdev; struct urb *urb; }; struct vhci_unlink { /* seqnum of this request */ unsigned long seqnum; struct list_head list; /* seqnum of the unlink target */ unsigned long unlink_seqnum; }; /* Number of supported ports. Value has an upperbound of USB_MAXCHILDREN */ #ifdef CONFIG_USBIP_VHCI_HC_PORTS #define VHCI_HC_PORTS CONFIG_USBIP_VHCI_HC_PORTS #else #define VHCI_HC_PORTS 8 #endif #ifdef CONFIG_USBIP_VHCI_NR_HCS #define VHCI_NR_HCS CONFIG_USBIP_VHCI_NR_HCS #else #define VHCI_NR_HCS 1 #endif #define MAX_STATUS_NAME 16 /* for usb_bus.hcpriv */ struct vhci_hcd { spinlock_t lock; u32 port_status[VHCI_HC_PORTS]; unsigned resuming:1; unsigned long re_timeout; atomic_t seqnum; /* * NOTE: * wIndex shows the port number and begins from 1. * But, the index of this array begins from 0. */ struct vhci_device vdev[VHCI_HC_PORTS]; }; extern int vhci_num_controllers; extern struct platform_device **vhci_pdevs; 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) { return port % VHCI_HC_PORTS; }Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Takahiro Hirofuchi | 9 | 60.00% | 1 | 50.00% |
| Nobuo Iwata | 6 | 40.00% | 1 | 50.00% |
| Total | 15 | 100.00% | 2 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Nobuo Iwata | 13 | 86.67% | 1 | 50.00% |
| Takahiro Hirofuchi | 2 | 13.33% | 1 | 50.00% |
| Total | 15 | 100.00% | 2 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Takahiro Hirofuchi | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Nobuo Iwata | 23 | 100.00% | 1 | 100.00% |
| Total | 23 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Nobuo Iwata | 23 | 100.00% | 1 | 100.00% |
| Total | 23 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Takahiro Hirofuchi | 29 | 100.00% | 1 | 100.00% |
| Total | 29 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Nobuo Iwata | 21 | 60.00% | 1 | 50.00% |
| Takahiro Hirofuchi | 14 | 40.00% | 1 | 50.00% |
| Total | 35 | 100.00% | 2 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Takahiro Hirofuchi | 241 | 54.65% | 1 | 10.00% |
| Nobuo Iwata | 145 | 32.88% | 1 | 10.00% |
| Matt Mooney | 37 | 8.39% | 3 | 30.00% |
| Tobias Klauser | 9 | 2.04% | 1 | 10.00% |
| Max Vozeler | 4 | 0.91% | 1 | 10.00% |
| Arnd Bergmann | 3 | 0.68% | 1 | 10.00% |
| Bart Westgeest | 1 | 0.23% | 1 | 10.00% |
| Eric Lescouet | 1 | 0.23% | 1 | 10.00% |
| Total | 441 | 100.00% | 10 | 100.00% |