patch-2.4.11-dontuse linux/drivers/ieee1394/ieee1394_hotplug.h

• Lines: 95
• Date: Mon Oct 1 21:24:24 2001
• Orig file: v2.4.10/linux/drivers/ieee1394/ieee1394_hotplug.h
• Orig date: Mon Aug 27 12:41:41 2001

diff -u --recursive --new-file v2.4.10/linux/drivers/ieee1394/ieee1394_hotplug.h linux/drivers/ieee1394/ieee1394_hotplug.h
@@ -2,32 +2,75 @@
 #define _IEEE1394_HOTPLUG_H
 
 #include "ieee1394_core.h"
+#include "nodemgr.h"
 
-#define IEEE1394_DEVICE_ID_MATCH_VENDOR_ID		0x0001
-#define IEEE1394_DEVICE_ID_MATCH_MODEL_ID		0x0002
-#define IEEE1394_DEVICE_ID_MATCH_SW_SPECIFIER_ID	0x0004
-#define IEEE1394_DEVICE_ID_MATCH_SW_SPECIFIER_VERSION	0x0008
+#define IEEE1394_MATCH_VENDOR_ID	0x0001
+#define IEEE1394_MATCH_MODEL_ID		0x0002
+#define IEEE1394_MATCH_SPECIFIER_ID	0x0004
+#define IEEE1394_MATCH_VERSION		0x0008
 
 struct ieee1394_device_id {
 	u32 match_flags;
 	u32 vendor_id;
 	u32 model_id;
-	u32 sw_specifier_id;
-	u32 sw_specifier_version;
+	u32 specifier_id;
+	u32 version;
+	void *driver_data;
 };
 
-#define IEEE1394_PROTOCOL(id, version) {				       \
-	match_flags:		IEEE1394_DEVICE_ID_MATCH_SW_SPECIFIER_ID |     \
-				IEEE1394_DEVICE_ID_MATCH_SW_SPECIFIER_VERSION, \
-	sw_specifier_id:	id,					       \
-	sw_specifier_version:	version					       \
-}
-
-#define IEEE1394_DEVICE(vendor_id, model_id) {			\
-	match_flags: 	IEEE1394_DEVICE_ID_MATCH_VENDOR_ID |	\
-			IEEE1394_DEVICE_ID_MATCH_MODEL_ID,	\
-	vendor_id:	vendor_id,				\
-	model_id:	vendor_id,				\
-}
+struct hpsb_protocol_driver {
+	/* The name of the driver, e.g. SBP2 or IP1394 */
+	const char *name;
+
+	/* 
+	 * The device id table describing the protocols and/or devices
+	 * supported by this driver.  This is used by the nodemgr to
+	 * decide if a driver could support a given node, but the
+	 * probe function below can implement further protocol
+	 * dependent or vendor dependent checking.
+	 */
+	struct ieee1394_device_id *id_table;
+
+	/* 
+	 * The probe function is called when a device is added to the
+	 * bus and the nodemgr finds a matching entry in the drivers
+	 * device id table or when registering this driver and a
+	 * previously unhandled device can be handled.  The driver may
+	 * decline to handle the device based on further investigation
+	 * of the device (or whatever reason) in which case a negative
+	 * error code should be returned, otherwise 0 should be
+	 * returned. The driver may use the driver_data field in the
+	 * unit directory to store per device driver specific data.
+	 */
+	int (*probe)(struct unit_directory *ud);
+
+	/* 
+	 * The disconnect function is called when a device is removed
+	 * from the bus or if it wasn't possible to read the guid
+	 * after the last bus reset.
+	 */
+	void (*disconnect)(struct unit_directory *ud);
+
+	/* 
+	 * The update function is called when the node has just
+	 * survived a bus reset, i.e. it is still present on the bus.
+	 * However, it may be necessary to reestablish the connection
+	 * or login into the node again, depending on the protocol.
+	 */
+	void (*update)(struct unit_directory *ud);
+
+	/* Driver in list of all registered drivers */
+	struct list_head list;
+
+	/* The list of unit directories managed by this driver */
+	struct list_head unit_directories;
+};
+
+int hpsb_register_protocol(struct hpsb_protocol_driver *driver);
+void hpsb_unregister_protocol(struct hpsb_protocol_driver *driver);
+
+int hpsb_claim_unit_directory(struct unit_directory *ud,
+			      struct hpsb_protocol_driver *driver);
+void hpsb_release_unit_directory(struct unit_directory *ud);
 
 #endif /* _IEEE1394_HOTPLUG_H */