mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-18 17:54:13 +08:00
0255cf9e52
As find_endpoint() is a global funcion rename it to vudc_find_endpoint() to clearly mark where does it come from. Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
191 lines
4.2 KiB
C
191 lines
4.2 KiB
C
/*
|
|
* Copyright (C) 2015 Karol Kosik <karo9@interia.eu>
|
|
* Copyright (C) 2015-2016 Samsung Electronics
|
|
* Igor Kotrasinski <i.kotrasinsk@samsung.com>
|
|
* Krzysztof Opasiak <k.opasiak@samsung.com>
|
|
*
|
|
* This program 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef __USBIP_VUDC_H
|
|
#define __USBIP_VUDC_H
|
|
|
|
#include <linux/platform_device.h>
|
|
#include <linux/usb.h>
|
|
#include <linux/usb/gadget.h>
|
|
#include <linux/usb/ch9.h>
|
|
#include <linux/list.h>
|
|
#include <linux/timer.h>
|
|
#include <linux/time.h>
|
|
#include <linux/sysfs.h>
|
|
|
|
#include "usbip_common.h"
|
|
|
|
#define GADGET_NAME "usbip-vudc"
|
|
|
|
struct vep {
|
|
struct usb_ep ep;
|
|
unsigned type:2; /* type, as USB_ENDPOINT_XFER_* */
|
|
char name[8]; /* space for ep name */
|
|
|
|
const struct usb_endpoint_descriptor *desc;
|
|
struct usb_gadget *gadget;
|
|
struct list_head req_queue; /* Request queue */
|
|
unsigned halted:1;
|
|
unsigned wedged:1;
|
|
unsigned already_seen:1;
|
|
unsigned setup_stage:1;
|
|
};
|
|
|
|
struct vrequest {
|
|
struct usb_request req;
|
|
struct vudc *udc;
|
|
struct list_head req_entry; /* Request queue */
|
|
};
|
|
|
|
struct urbp {
|
|
struct urb *urb;
|
|
struct vep *ep;
|
|
struct list_head urb_entry; /* urb queue */
|
|
unsigned long seqnum;
|
|
unsigned type:2; /* for tx, since ep type can change after */
|
|
unsigned new:1;
|
|
};
|
|
|
|
struct v_unlink {
|
|
unsigned long seqnum;
|
|
__u32 status;
|
|
};
|
|
|
|
enum tx_type {
|
|
TX_UNLINK,
|
|
TX_SUBMIT,
|
|
};
|
|
|
|
struct tx_item {
|
|
struct list_head tx_entry;
|
|
enum tx_type type;
|
|
union {
|
|
struct urbp *s;
|
|
struct v_unlink *u;
|
|
};
|
|
};
|
|
|
|
enum tr_state {
|
|
VUDC_TR_RUNNING,
|
|
VUDC_TR_IDLE,
|
|
VUDC_TR_STOPPED,
|
|
};
|
|
|
|
struct transfer_timer {
|
|
struct timer_list timer;
|
|
enum tr_state state;
|
|
unsigned long frame_start;
|
|
int frame_limit;
|
|
};
|
|
|
|
struct vudc {
|
|
struct usb_gadget gadget;
|
|
struct usb_gadget_driver *driver;
|
|
struct platform_device *pdev;
|
|
|
|
struct usb_device_descriptor dev_desc;
|
|
|
|
struct usbip_device ud;
|
|
struct transfer_timer tr_timer;
|
|
struct timeval start_time;
|
|
|
|
struct list_head urb_queue;
|
|
|
|
spinlock_t lock_tx;
|
|
struct list_head tx_queue;
|
|
wait_queue_head_t tx_waitq;
|
|
|
|
spinlock_t lock;
|
|
struct vep *ep;
|
|
int address;
|
|
u16 devstatus;
|
|
|
|
unsigned pullup:1;
|
|
unsigned connected:1;
|
|
unsigned desc_cached:1;
|
|
};
|
|
|
|
struct vudc_device {
|
|
struct platform_device *pdev;
|
|
struct list_head dev_entry;
|
|
};
|
|
|
|
extern const struct attribute_group vudc_attr_group;
|
|
|
|
/* visible everywhere */
|
|
|
|
static inline struct vep *to_vep(struct usb_ep *_ep)
|
|
{
|
|
return container_of(_ep, struct vep, ep);
|
|
}
|
|
|
|
static inline struct vrequest *to_vrequest(
|
|
struct usb_request *_req)
|
|
{
|
|
return container_of(_req, struct vrequest, req);
|
|
}
|
|
|
|
static inline struct vudc *usb_gadget_to_vudc(
|
|
struct usb_gadget *_gadget)
|
|
{
|
|
return container_of(_gadget, struct vudc, gadget);
|
|
}
|
|
|
|
static inline struct vudc *ep_to_vudc(struct vep *ep)
|
|
{
|
|
return container_of(ep->gadget, struct vudc, gadget);
|
|
}
|
|
|
|
/* vudc_sysfs.c */
|
|
|
|
int get_gadget_descs(struct vudc *udc);
|
|
|
|
/* vudc_tx.c */
|
|
|
|
int v_tx_loop(void *data);
|
|
void v_enqueue_ret_unlink(struct vudc *udc, __u32 seqnum, __u32 status);
|
|
void v_enqueue_ret_submit(struct vudc *udc, struct urbp *urb_p);
|
|
|
|
/* vudc_rx.c */
|
|
|
|
int v_rx_loop(void *data);
|
|
|
|
/* vudc_transfer.c */
|
|
|
|
void v_init_timer(struct vudc *udc);
|
|
void v_start_timer(struct vudc *udc);
|
|
void v_kick_timer(struct vudc *udc, unsigned long time);
|
|
void v_stop_timer(struct vudc *udc);
|
|
|
|
/* vudc_dev.c */
|
|
|
|
struct urbp *alloc_urbp(void);
|
|
void free_urbp_and_urb(struct urbp *urb_p);
|
|
|
|
struct vep *vudc_find_endpoint(struct vudc *udc, u8 address);
|
|
|
|
struct vudc_device *alloc_vudc_device(int devid);
|
|
void put_vudc_device(struct vudc_device *udc_dev);
|
|
|
|
int vudc_probe(struct platform_device *pdev);
|
|
int vudc_remove(struct platform_device *pdev);
|
|
|
|
#endif /* __USBIP_VUDC_H */
|