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Annotation of Gnu-Mach/device/device_emul.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Mach device emulation definitions (i386at version).
                      3:  *
                      4:  * Copyright (c) 1996 The University of Utah and
                      5:  * the Computer Systems Laboratory at the University of Utah (CSL).
                      6:  * All rights reserved.
                      7:  *
                      8:  * Permission to use, copy, modify and distribute this software is hereby
                      9:  * granted provided that (1) source code retains these copyright, permission,
                     10:  * and disclaimer notices, and (2) redistributions including binaries
                     11:  * reproduce the notices in supporting documentation, and (3) all advertising
                     12:  * materials mentioning features or use of this software display the following
                     13:  * acknowledgement: ``This product includes software developed by the
                     14:  * Computer Systems Laboratory at the University of Utah.''
                     15:  *
                     16:  * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
                     17:  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
                     18:  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     19:  *
                     20:  * CSL requests users of this software to return to [email protected] any
                     21:  * improvements that they make and grant CSL redistribution rights.
                     22:  *
                     23:  *      Author: Shantanu Goel, University of Utah CSL
                     24:  */
                     25: 
                     26: #ifndef _I386AT_DEVICE_EMUL_H_
                     27: #define _I386AT_DEVICE_EMUL_H_
                     28: 
                     29: #include <mach/notify.h>
                     30: #include <device/net_status.h>
                     31: 
                     32: /* Each emulation layer provides these operations.  */
                     33: struct device_emulation_ops
                     34: {
                     35:   void (*reference) (void *);
                     36:   void (*dealloc) (void *);
                     37:   ipc_port_t (*dev_to_port) (void *);
                     38:   io_return_t (*open) (ipc_port_t, mach_msg_type_name_t,
                     39:                       dev_mode_t, char *, device_t *);
                     40:   io_return_t (*close) (void *);
                     41:   io_return_t (*write) (void *, ipc_port_t, mach_msg_type_name_t,
                     42:                        dev_mode_t, recnum_t, io_buf_ptr_t, unsigned, int *);
                     43:   io_return_t (*write_inband) (void *, ipc_port_t, mach_msg_type_name_t,
                     44:                               dev_mode_t, recnum_t, io_buf_ptr_inband_t,
                     45:                               unsigned, int *);
                     46:   io_return_t (*read) (void *, ipc_port_t, mach_msg_type_name_t,
                     47:                       dev_mode_t, recnum_t, int, io_buf_ptr_t *, unsigned *);
                     48:   io_return_t (*read_inband) (void *, ipc_port_t, mach_msg_type_name_t,
                     49:                              dev_mode_t, recnum_t, int, char *, unsigned *);
                     50:   io_return_t (*set_status) (void *, dev_flavor_t, dev_status_t,
                     51:                             mach_msg_type_number_t);
                     52:   io_return_t (*get_status) (void *, dev_flavor_t, dev_status_t,
                     53:                             mach_msg_type_number_t *);
                     54:   io_return_t (*set_filter) (void *, ipc_port_t, int, filter_t [], unsigned);
                     55:   io_return_t (*map) (void *, vm_prot_t, vm_offset_t,
                     56:                      vm_size_t, ipc_port_t *, boolean_t);
                     57:   void (*no_senders) (mach_no_senders_notification_t *);
                     58:   io_return_t (*write_trap) (void *, dev_mode_t,
                     59:                             recnum_t, vm_offset_t, vm_size_t);
                     60:   io_return_t (*writev_trap) (void *, dev_mode_t,
                     61:                              recnum_t, io_buf_vec_t *, vm_size_t);
                     62: };
                     63: 
                     64: #endif /* _I386AT_DEVICE_EMUL_H_ */

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