From: Igor Kotrasinski <i.kotrasinsk@xxxxxxxxxxx>
Add header with definitions needed by vudc driver.
This commit is a result of cooperation between Samsung R&D Institute
Poland and Open Operating Systems Student Society at University
of Warsaw (O2S3@UW) consisting of:
Igor Kotrasinski <ikotrasinsk@xxxxxxxxx>
Karol Kosik <karo9@xxxxxxxxxx>
Ewelina Kosmider <3w3lfin@xxxxxxxxx>
Dawid Lazarczyk <lazarczyk.dawid@xxxxxxxxx>
Piotr Szulc <ps347277@xxxxxxxxxxxxxxxxxxxxx>
Tutor and project owner:
Krzysztof Opasiak <k.opasiak@xxxxxxxxxxx>
Signed-off-by: Igor Kotrasinski <i.kotrasinsk@xxxxxxxxxxx>
Signed-off-by: Karol Kosik <karo9@xxxxxxxxxx>
[Some small improvements]
Signed-off-by: Krzysztof Opasiak <k.opasiak@xxxxxxxxxxx>
---
drivers/usb/usbip/vudc.h | 190 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 190 insertions(+)
create mode 100644 drivers/usb/usbip/vudc.h
diff --git a/drivers/usb/usbip/vudc.h b/drivers/usb/usbip/vudc.h
new file mode 100644
index 0000000..8478923
--- /dev/null
+++ b/drivers/usb/usbip/vudc.h
@@ -0,0 +1,190 @@
+/*
+ * Copyright (C) 2015 Karol Kosik <karo9@xxxxxxxxxx>
+ * Copyright (C) 2015-2016 Samsung Electronics
+ * Igor Kotrasinski <i.kotrasinsk@xxxxxxxxxxx>
+ * Krzysztof Opasiak <k.opasiak@xxxxxxxxxxx>
+ *
+ * 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 *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 */
--
1.7.9.5
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
