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Annotation of OSKit-Mach/kern/ipc_kobject.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1991,1990,1989 Carnegie Mellon University.
        !             4:  * Copyright (c) 1993,1994 The University of Utah and
        !             5:  * the Computer Systems Laboratory (CSL).
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Permission to use, copy, modify and distribute this software and its
        !             9:  * documentation is hereby granted, provided that both the copyright
        !            10:  * notice and this permission notice appear in all copies of the
        !            11:  * software, derivative works or modified versions, and any portions
        !            12:  * thereof, and that both notices appear in supporting documentation.
        !            13:  *
        !            14:  * CARNEGIE MELLON, THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF
        !            15:  * THIS SOFTWARE IN ITS "AS IS" CONDITION, AND DISCLAIM ANY LIABILITY
        !            16:  * OF ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF
        !            17:  * THIS SOFTWARE.
        !            18:  *
        !            19:  * Carnegie Mellon requests users of this software to return to
        !            20:  *
        !            21:  *  Software Distribution Coordinator  or  [email protected]
        !            22:  *  School of Computer Science
        !            23:  *  Carnegie Mellon University
        !            24:  *  Pittsburgh PA 15213-3890
        !            25:  *
        !            26:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            27:  * the rights to redistribute these changes.
        !            28:  */
        !            29: /*
        !            30:  */
        !            31: /*
        !            32:  *     File:   kern/ipc_kobject.h
        !            33:  *     Author: Rich Draves
        !            34:  *     Date:   1989
        !            35:  *
        !            36:  *     Declarations for letting a port represent a kernel object.
        !            37:  */
        !            38: 
        !            39: #include <ipc/ipc_kmsg.h>
        !            40: #include <ipc/ipc_types.h>
        !            41: 
        !            42: #ifndef        _KERN_IPC_KOBJECT_H_
        !            43: #define _KERN_IPC_KOBJECT_H_
        !            44: 
        !            45: #include <mach/machine/vm_types.h>
        !            46: 
        !            47: typedef vm_offset_t ipc_kobject_t;
        !            48: 
        !            49: #define        IKO_NULL        ((ipc_kobject_t) 0)
        !            50: 
        !            51: typedef unsigned int ipc_kobject_type_t;
        !            52: 
        !            53: #define        IKOT_NONE               0
        !            54: #define IKOT_THREAD            1
        !            55: #define        IKOT_TASK               2
        !            56: #define        IKOT_HOST               3
        !            57: #define        IKOT_HOST_PRIV          4
        !            58: #define        IKOT_PROCESSOR          5
        !            59: #define        IKOT_PSET               6
        !            60: #define        IKOT_PSET_NAME          7
        !            61: #define        IKOT_PAGER              8
        !            62: #define        IKOT_PAGING_REQUEST     9
        !            63: #define        IKOT_DEVICE             10
        !            64: #define        IKOT_XMM_OBJECT         11
        !            65: #define        IKOT_XMM_PAGER          12
        !            66: #define        IKOT_XMM_KERNEL         13
        !            67: #define        IKOT_XMM_REPLY          14
        !            68: #define        IKOT_PAGER_TERMINATING  15
        !            69: #define IKOT_PAGING_NAME       16
        !            70: #define IKOT_HOST_SECURITY     17
        !            71: #define        IKOT_LEDGER             18
        !            72: #define IKOT_MASTER_DEVICE     19
        !            73: #define IKOT_ACT               20
        !            74: #define IKOT_SUBSYSTEM         21
        !            75: #define IKOT_IO_DONE_QUEUE     22
        !            76: #define IKOT_SEMAPHORE         23
        !            77: #define IKOT_LOCK_SET          24
        !            78: #define IKOT_CLOCK             25
        !            79: #define IKOT_CLOCK_CTRL                26
        !            80:                                        /* << new entries here  */
        !            81: #define        IKOT_UNKNOWN            27      /* magic catchall       */
        !            82: #define        IKOT_MAX_TYPE           28      /* # of IKOT_ types     */
        !            83:  /* Please keep ipc/ipc_object.c:ikot_print_array up to date   */
        !            84: 
        !            85: #define is_ipc_kobject(ikot)   (ikot != IKOT_NONE)
        !            86: 
        !            87: /*
        !            88:  *     Define types of kernel objects that use page lists instead
        !            89:  *     of entry lists for copyin of out of line memory.
        !            90:  */
        !            91: 
        !            92: #define ipc_kobject_vm_page_list(ikot)                         \
        !            93:        ((ikot == IKOT_PAGING_REQUEST) || (ikot == IKOT_DEVICE))
        !            94: 
        !            95: #define ipc_kobject_vm_page_steal(ikot)        (ikot == IKOT_PAGING_REQUEST)
        !            96: 
        !            97: /* Initialize kernel server dispatch table */
        !            98: /* XXX
        !            99: extern void mig_init(void);
        !           100: */
        !           101: 
        !           102: /* Dispatch a kernel server function */
        !           103: extern ipc_kmsg_t ipc_kobject_server(
        !           104:        ipc_kmsg_t      request);
        !           105: 
        !           106: /* Make a port represent a kernel object of the given type */
        !           107: extern void ipc_kobject_set(
        !           108:        ipc_port_t              port,
        !           109:        ipc_kobject_t           kobject,
        !           110:        ipc_kobject_type_t      type);
        !           111: 
        !           112: /* Release any kernel object resources associated with a port */
        !           113: extern void ipc_kobject_destroy(
        !           114:        ipc_port_t              port);
        !           115: 
        !           116: #define        null_conversion(port)   (port)
        !           117: 
        !           118: #endif /* _KERN_IPC_KOBJECT_H_ */

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