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Diffstat (limited to 'drivers/staging/usbip/stub.h')
-rw-r--r--drivers/staging/usbip/stub.h95
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/staging/usbip/stub.h b/drivers/staging/usbip/stub.h
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index 000000000000..f541a3a83bd3
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+++ b/drivers/staging/usbip/stub.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2003-2008 Takahiro Hirofuchi
+ *
+ * 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.
+ *
+ * This 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/module.h>
+#include <linux/net.h>
+
+struct stub_device {
+ struct usb_interface *interface;
+ struct list_head list;
+
+ struct usbip_device ud;
+ __u32 devid;
+
+ /*
+ * stub_priv preserves private data of each urb.
+ * It is allocated as stub_priv_cache and assigned to urb->context.
+ *
+ * stub_priv is always linked to any one of 3 lists;
+ * priv_init: linked to this until the comletion of a urb.
+ * priv_tx : linked to this after the completion of a urb.
+ * priv_free: linked to this after the sending of the result.
+ *
+ * Any of these list operations should be locked by priv_lock.
+ */
+ spinlock_t priv_lock;
+ struct list_head priv_init;
+ struct list_head priv_tx;
+ struct list_head priv_free;
+
+ /* see comments for unlinking in stub_rx.c */
+ struct list_head unlink_tx;
+ struct list_head unlink_free;
+
+
+ wait_queue_head_t tx_waitq;
+};
+
+/* private data into urb->priv */
+struct stub_priv {
+ unsigned long seqnum;
+ struct list_head list;
+ struct stub_device *sdev;
+ struct urb *urb;
+
+ int unlinking;
+};
+
+struct stub_unlink {
+ unsigned long seqnum;
+ struct list_head list;
+ __u32 status;
+};
+
+
+extern struct kmem_cache *stub_priv_cache;
+
+
+/*-------------------------------------------------------------------------*/
+/* prototype declarations */
+
+/* stub_tx.c */
+void stub_complete(struct urb *);
+void stub_tx_loop(struct usbip_task *);
+
+/* stub_dev.c */
+extern struct usb_driver stub_driver;
+
+/* stub_rx.c */
+void stub_rx_loop(struct usbip_task *);
+void stub_enqueue_ret_unlink(struct stub_device *, __u32, __u32);
+
+/* stub_main.c */
+int match_busid(char *busid);
+void stub_device_cleanup_urbs(struct stub_device *sdev);