/* * This source code is a part of coLinux source package. * * Dan Aloni <da-x@colinux.org>, 2003 (c) * * The code is licensed under the GPL. See the COPYING file at * the root directory. */#ifndef __COLINUX_KERNEL_TRANSFER_H__#define __COLINUX_KERNEL_TRANSFER_H__/* * Routines to copy data between coLinux space and host space. */#include "manager.h"struct co_monitor;typedef enum {	/* From Host OS to coLinux */	CO_MONITOR_TRANSFER_FROM_HOST,	/* From coLinux to Host OS */	CO_MONITOR_TRANSFER_FROM_LINUX,} co_monitor_transfer_dir_t;/* * This is lambda function that does the actual copying. In most * cases it will copy a maximum of PAGE_SIZE bytes per call, because  * coLinux memory is fragmented. * * host_data - User information regarding host address * para - coLinux-host mapped addrsss * size - Number of bytes to copy * dir - copy direction */typedef co_rc_t (*co_monitor_transfer_func_t)(	struct co_monitor *cmon, 	void *host_data, 	void *linuxvm, 	unsigned long size, 	co_monitor_transfer_dir_t dir	);extern co_rc_t co_monitor_host_linuxvm_transfer(	struct co_monitor *cmon, 	void *host_data, 	co_monitor_transfer_func_t host_func, 	vm_ptr_t para, 	unsigned long size, 	co_monitor_transfer_dir_t dir	);/* * memcpy-like transfer implementation: */extern co_rc_t co_monitor_host_to_linuxvm(struct co_monitor *cmon, void *from, 					  vm_ptr_t to, unsigned long size); extern co_rc_t co_monitor_linuxvm_to_host(struct co_monitor *cmon, vm_ptr_t from, 					  void *to, unsigned long size); #endif