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