[PATCH v12 2/9] usbip: exporting devices: modifications to host side libraries

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usbip_get_device() method in usbip_host_driver_ops was not used. It is 
modified as a function to find an exported device for new operations 
'connect' and 'disconnect'.

bind and unbind function are exported for the new operations.

Signed-off-by: Nobuo Iwata <nobuo.iwata@xxxxxxxxxxxxxxx>
---
 tools/usb/usbip/libsrc/usbip_host_common.c | 6 ++----
 tools/usb/usbip/libsrc/usbip_host_common.h | 8 ++++----
 tools/usb/usbip/src/usbip.h                | 3 +++
 tools/usb/usbip/src/usbip_bind.c           | 7 ++++---
 tools/usb/usbip/src/usbip_unbind.c         | 7 ++++---
 5 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/tools/usb/usbip/libsrc/usbip_host_common.c b/tools/usb/usbip/libsrc/usbip_host_common.c
index 9d41522..6a98d6c 100644
--- a/tools/usb/usbip/libsrc/usbip_host_common.c
+++ b/tools/usb/usbip/libsrc/usbip_host_common.c
@@ -256,17 +256,15 @@ int usbip_export_device(struct usbip_exported_device *edev, int sockfd)
 }
 
 struct usbip_exported_device *usbip_generic_get_device(
-		struct usbip_host_driver *hdriver, int num)
+		struct usbip_host_driver *hdriver, char *busid)
 {
 	struct list_head *i;
 	struct usbip_exported_device *edev;
-	int cnt = 0;
 
 	list_for_each(i, &hdriver->edev_list) {
 		edev = list_entry(i, struct usbip_exported_device, node);
-		if (num == cnt)
+		if (!strncmp(busid, edev->udev.busid, SYSFS_BUS_ID_SIZE))
 			return edev;
-		cnt++;
 	}
 
 	return NULL;
diff --git a/tools/usb/usbip/libsrc/usbip_host_common.h b/tools/usb/usbip/libsrc/usbip_host_common.h
index a64b803..f9a9def 100644
--- a/tools/usb/usbip/libsrc/usbip_host_common.h
+++ b/tools/usb/usbip/libsrc/usbip_host_common.h
@@ -38,7 +38,7 @@ struct usbip_host_driver_ops {
 	void (*close)(struct usbip_host_driver *hdriver);
 	int (*refresh_device_list)(struct usbip_host_driver *hdriver);
 	struct usbip_exported_device * (*get_device)(
-		struct usbip_host_driver *hdriver, int num);
+		struct usbip_host_driver *hdriver, char *busid);
 
 	int (*read_device)(struct udev_device *sdev,
 			   struct usbip_usb_device *dev);
@@ -86,11 +86,11 @@ static inline int usbip_refresh_device_list(struct usbip_host_driver *hdriver)
 }
 
 static inline struct usbip_exported_device *
-usbip_get_device(struct usbip_host_driver *hdriver, int num)
+usbip_get_device(struct usbip_host_driver *hdriver, char *busid)
 {
 	if (!hdriver->ops.get_device)
 		return NULL;
-	return hdriver->ops.get_device(hdriver, num);
+	return hdriver->ops.get_device(hdriver, busid);
 }
 
 /* Helper functions for implementing driver backend */
@@ -99,6 +99,6 @@ void usbip_generic_driver_close(struct usbip_host_driver *hdriver);
 int usbip_generic_refresh_device_list(struct usbip_host_driver *hdriver);
 int usbip_export_device(struct usbip_exported_device *edev, int sockfd);
 struct usbip_exported_device *usbip_generic_get_device(
-		struct usbip_host_driver *hdriver, int num);
+		struct usbip_host_driver *hdriver, char *busid);
 
 #endif /* __USBIP_HOST_COMMON_H */
diff --git a/tools/usb/usbip/src/usbip.h b/tools/usb/usbip/src/usbip.h
index 84fe66a..c296910 100644
--- a/tools/usb/usbip/src/usbip.h
+++ b/tools/usb/usbip/src/usbip.h
@@ -37,4 +37,7 @@ void usbip_list_usage(void);
 void usbip_bind_usage(void);
 void usbip_unbind_usage(void);
 
+int usbip_bind_device(char *busid);
+int usbip_unbind_device(char *busid);
+
 #endif /* __USBIP_H */
diff --git a/tools/usb/usbip/src/usbip_bind.c b/tools/usb/usbip/src/usbip_bind.c
index fa46141..1c09338 100644
--- a/tools/usb/usbip/src/usbip_bind.c
+++ b/tools/usb/usbip/src/usbip_bind.c
@@ -1,5 +1,6 @@
 /*
- * Copyright (C) 2011 matt mooney <mfm@xxxxxxxxxxxxx>
+ * Copyright (C) 2015 Nobuo Iwata
+ *               2011 matt mooney <mfm@xxxxxxxxxxxxx>
  *               2005-2007 Takahiro Hirofuchi
  *
  * This program is free software: you can redistribute it and/or modify
@@ -139,7 +140,7 @@ static int unbind_other(char *busid)
 	return status;
 }
 
-static int bind_device(char *busid)
+int usbip_bind_device(char *busid)
 {
 	int rc;
 	struct udev *udev;
@@ -200,7 +201,7 @@ int usbip_bind(int argc, char *argv[])
 
 		switch (opt) {
 		case 'b':
-			ret = bind_device(optarg);
+			ret = usbip_bind_device(optarg);
 			goto out;
 		default:
 			goto err_out;
diff --git a/tools/usb/usbip/src/usbip_unbind.c b/tools/usb/usbip/src/usbip_unbind.c
index a4a496c..cc1ff26 100644
--- a/tools/usb/usbip/src/usbip_unbind.c
+++ b/tools/usb/usbip/src/usbip_unbind.c
@@ -1,5 +1,6 @@
 /*
- * Copyright (C) 2011 matt mooney <mfm@xxxxxxxxxxxxx>
+ * Copyright (C) 2015 Nobuo Iwata
+ *               2011 matt mooney <mfm@xxxxxxxxxxxxx>
  *               2005-2007 Takahiro Hirofuchi
  *
  * This program is free software: you can redistribute it and/or modify
@@ -39,7 +40,7 @@ void usbip_unbind_usage(void)
 	printf("usage: %s", usbip_unbind_usage_string);
 }
 
-static int unbind_device(char *busid)
+int usbip_unbind_device(char *busid)
 {
 	char bus_type[] = "usb";
 	int rc, ret = -1;
@@ -127,7 +128,7 @@ int usbip_unbind(int argc, char *argv[])
 
 		switch (opt) {
 		case 'b':
-			ret = unbind_device(optarg);
+			ret = usbip_unbind_device(optarg);
 			goto out;
 		default:
 			goto err_out;
-- 
2.1.0

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