/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License (the "License").

 * You may not use this file except in compliance with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.

 */

#ifndef	_WR_LIBUSB_H

#define	_WR_LIBUSB_H

#ifdef	__cplusplus

extern "C" {

#endif

/* debug levels */

#define	DEBUG_NONE		0

#define	DEBUG_ERRORS		1

#define	DEBUG_RECOVERABLE	2

#define	DEBUG_FUNCTIONS		3

#define	DEBUG_DETAILED		4

#define	DEBUG_DATA_DUMP		5

#define	MOD_SUFFIX	".so"

/* consistent with the Makefile VER and mapfiles */

#define	LIBUSB_WRAPPER_VERSION	"1.1"

#define	PLUGIN_EXCLUSIVE 2

#define	MAX_PLUGINS 10

#define	MAX_VERSION_LEN	512

#define	SUCCESS 0

#define	FAILURE -1

#define	DSYM (dlsym((handle), (symbol)))

/* default plugin dir */

#define	PLUGIN_DIR	"/usr/lib/libusb_plugins"

#define	USB_OPEN			0

#define	USB_CLOSE			1

#define	USB_GET_STRING			2

#define	USB_GET_STRING_SIMPLE		3

#define	USB_GET_DESCRIPTOR_BY_ENDPOINT	4

#define	USB_GET_DESCRIPTOR		5

#define	USB_BULK_WRITE			6

#define	USB_BULK_READ			7

#define	USB_INTERRUPT_WRITE		8

#define	USB_INTERRUPT_READ		9

#define	USB_CONTROL_MSG			10

#define	USB_SET_CONFIGURATION		11

#define	USB_CLAIM_INTERFACE		12

#define	USB_RELEASE_INTERFACE		13

#define	USB_SET_ALTINTERFACE		14

#define	USB_RESETEP			15

#define	USB_CLEAR_HALT			16

#define	USB_RESET			17

#define	USB_INIT			18

#define	USB_SET_DEBUG			19

#define	USB_FIND_BUSSES			20

#define	USB_FIND_DEVICES		21

#define	USB_DEVICE			22

#define	USB_GET_BUSSES			23

#define	USB_STRERROR			24

#define	USB_BUSSES			25

#define	LIBUSB_INIT			26

#define	LIBUSB_FINI			27

#define	LIBUSB_VERSION			28

char *sym_names[] = {

	"usb_open",				/* 0 */

	"usb_close",				/* 1 */

	"usb_get_string",			/* 2 */

	"usb_get_string_simple",		/* 3 */

	"usb_get_descriptor_by_endpoint",	/* 4 */

	"usb_get_descriptor",			/* 5 */

	"usb_bulk_write",			/* 6 */

	"usb_bulk_read",			/* 7 */

	"usb_interrupt_write",			/* 8 */

	"usb_interrupt_read",			/* 9 */

	"usb_control_msg",			/* 10 */

	"usb_set_configuration",  		/* 11 */

	"usb_claim_interface",			/* 12 */

	"usb_release_interface",		/* 13 */

	"usb_set_altinterface",			/* 14 */

	"usb_resetep",				/* 15 */

	"usb_clear_halt",			/* 16 */

	"usb_reset",				/* 17 */

	"usb_init",				/* 18 */

	"usb_set_debug",			/* 19 */

	"usb_find_busses",			/* 20 */

	"usb_find_devices",			/* 21 */

	"usb_device",				/* 22 */

	"usb_get_busses",			/* 23 */

	"usb_strerror",				/* 24 */

	"usb_busses", 				/* 25 */

	"libusb_init", 				/* 26 */

	"libusb_fini", 				/* 27 */

	"libusb_version" 			/* 28 */

};

#define	USB_OPEN_CAST			(struct usb_dev_handle *(*) \

					    (struct usb_device *))

#define	USB_CLOSE_CAST			(int (*)(usb_dev_handle *))

#define	USB_GET_STRING_CAST		(int (*) (usb_dev_handle *, int, \

					    int, char *, size_t))

#define	USB_GET_STRING_SIMPLE_CAST	(int (*) (usb_dev_handle *, int, \

					    char *, size_t))

#define	USB_GET_DESCRIPTOR_BY_ENDPOINT_CAST (int (*) (usb_dev_handle *, int, \

					    unsigned char, unsigned char, \

					    void *, int))

#define	USB_GET_DESCRIPTOR_CAST		(int (*)(usb_dev_handle *, unsigned \

					    char, unsigned char, void *, int))

#define	USB_BULK_WRITE_CAST 		(int (*) (usb_dev_handle *, int, \

					    char *, int, int))

#define	USB_BULK_READ_CAST		(int (*) (usb_dev_handle *, int, \

					    char *, int, int))

#define	USB_INTERRUPT_READ_CAST		(int (*) (usb_dev_handle *, \

					    int, char *, int, int))

#define	USB_INTERRUPT_WRITE_CAST	(int (*) (usb_dev_handle *, int, \

					    char *, int, int))

#define	USB_CONTROL_MSG_CAST		(int (*)(usb_dev_handle *, int, int, \

					    int, int, char *, int, int))

#define	USB_SET_CONFIGURATION_CAST	(int (*)(usb_dev_handle *, int))

#define	USB_CLAIM_INTERFACE_CAST	(int (*)(usb_dev_handle *, int))

#define	USB_RELEASE_INTERFACE_CAST	(int (*)(usb_dev_handle *, int))

#define	USB_SET_ALTINTERFACE_CAST	(int (*)(usb_dev_handle *, int))

#define	USB_RESETEP_CAST		(int (*)(usb_dev_handle *, \

					    unsigned int))

#define	USB_CLEAR_HALT_CAST		(int (*)(usb_dev_handle *, \

					    unsigned int))

#define	USB_RESET_CAST			(int (*)(usb_dev_handle *))

#define	USB_INIT_CAST			(void (*)(void))

#define	USB_SET_DEBUG_CAST		(void (*)(int))

#define	USB_FIND_BUSSES_CAST		(int (*)(void))

#define	USB_FIND_DEVICES_CAST		(int (*) (void))

#define	USB_DEVICE_CAST			(struct usb_device *(*) \

					    (usb_dev_handle *))

#define	USB_STRERROR_CAST		(char *(*)(void))

#define	USB_BUSSES_CAST			(struct usb_bus **)

#define	LIBUSB_INIT_CAST		(int (*)(void))

#define	LIBUSB_FINI_CAST		(int (*)(void))

#define	NUM_SYMS			(unsigned int)(sizeof (sym_names) / \

					sizeof (char *))

/*

 * wrapper info structure - maintains wrapper state

 * and plugins data

 */

typedef struct wrapper_info {

	int 	ploaded;		/* highest plugin index */

	int 	last_pindex;		/* last plugin index used by app */

	int 	active_index;		/* used to indicate single plugin */

	int 	exclusive_index;	/* if set then this plugin is excl */

	struct 	usb_bus *head_busp;	/* wrapper combined usb_busses ptr */

} wrapper_info_t;

/*

 * this is the dev_handles struct that each plugin

 * maintains a linked list of

 */

typedef struct dev_handles {

	struct usb_dev_handle 	*dev; 		/* usb.h dev handle */

	struct usb_device 	*device;	/* usb.h device pointer */

	struct dev_handles 	*next;		/* for linked list */

	struct dev_handles 	*prev;

} dev_handles_t;

/*

 * plugin state info

 */

typedef struct plugin_info {

	char 		*p_name;		/* module name */

	char 		*p_path;		/* module path */

	void 		*p_handle;		/* handle to plugin */

	int 		exclusive_flag;		/* plugin exclusivity */

	int 		active_flag;		/* is plugin single */

	char 		*prefix;		/* libusb_prefix symbol val */

	dev_handles_t	*dev_handles;		/* list of open dev hdls */

	struct usb_bus 	*busp;			/* plugin bus pointer */

	void 		*sym_hdl[NUM_SYMS];	/* plugin symbols */

} plugin_info_t;

#ifdef	__cplusplus

}

#endif

#endif /* _WR_LIBUSB_H */