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/*
* Mach device emulation definitions.
*
* Copyright (c) 1996 The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software is hereby
* granted provided that (1) source code retains these copyright, permission,
* and disclaimer notices, and (2) redistributions including binaries
* reproduce the notices in supporting documentation, and (3) all advertising
* materials mentioning features or use of this software display the following
* acknowledgement: ``This product includes software developed by the
* Computer Systems Laboratory at the University of Utah.''
*
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSL requests users of this software to return to csl-dist@cs.utah.edu any
* improvements that they make and grant CSL redistribution rights.
*
* Author: Shantanu Goel, University of Utah CSL
*/
#ifndef _MACHDEV_DEVICE_EMUL_H_
#define _MACHDEV_DEVICE_EMUL_H_
#include <mach.h>
#include <mach/notify.h>
#include <device/device_types.h>
#include <device/net_status.h>
#include <errno.h>
/* Each emulation layer provides these operations. */
struct machdev_device_emulation_ops
{
void (*init) (void);
void (*reference) (void *);
void (*dealloc) (void *);
mach_port_t (*dev_to_port) (void *);
io_return_t (*open) (mach_port_t, mach_msg_type_name_t,
dev_mode_t, char *, device_t *,
mach_msg_type_name_t *type);
io_return_t (*close) (void *);
io_return_t (*write) (void *, mach_port_t, mach_msg_type_name_t,
dev_mode_t, recnum_t, io_buf_ptr_t, unsigned, int *);
io_return_t (*write_inband) (void *, mach_port_t, mach_msg_type_name_t,
dev_mode_t, recnum_t, io_buf_ptr_inband_t,
unsigned, int *);
io_return_t (*read) (void *, mach_port_t, mach_msg_type_name_t,
dev_mode_t, recnum_t, int, io_buf_ptr_t *, unsigned *);
io_return_t (*read_inband) (void *, mach_port_t, mach_msg_type_name_t,
dev_mode_t, recnum_t, int, char *, unsigned *);
io_return_t (*set_status) (void *, dev_flavor_t, dev_status_t,
mach_msg_type_number_t);
io_return_t (*get_status) (void *, dev_flavor_t, dev_status_t,
mach_msg_type_number_t *);
io_return_t (*set_filter) (void *, mach_port_t, int, filter_t [], unsigned);
io_return_t (*map) (void *, vm_prot_t, vm_offset_t,
vm_size_t, mach_port_t *, boolean_t);
void (*no_senders) (mach_no_senders_notification_t *);
io_return_t (*write_trap) (void *, dev_mode_t,
recnum_t, vm_offset_t, vm_size_t);
io_return_t (*writev_trap) (void *, dev_mode_t,
recnum_t, io_buf_vec_t *, vm_size_t);
};
#endif /* _MACHDEV_DEVICE_EMUL_H_ */
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