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Annotation of kernel/bsd/dev/voldev.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*     @(#)voldev.h    2.0     03/19/90        (c) 1990 NeXT   */
        !            26: 
        !            27: /* 
        !            28:  * HISTORY
        !            29:  * 19-Sep-90   Doug Mitchell
        !            30:  *     Added prototype for vol_notify_cancel.
        !            31:  * 03-20-90    Doug Mitchell at NeXT
        !            32:  *     Created.
        !            33:  */ 
        !            34: 
        !            35: #ifdef DRIVER_PRIVATE
        !            36: 
        !            37: #ifndef        _VOLDEV_
        !            38: #define _VOLDEV_
        !            39: 
        !            40: #import <sys/types.h>
        !            41: #import <mach/kern_return.h>
        !            42: #import <kernserv/insertmsg.h>
        !            43: #if    KERNEL_PRIVATE
        !            44: #import <kern/kern_port.h>
        !            45: #endif /* KERNEL_PRIVATE */
        !            46: 
        !            47: typedef        void (*vpt_func)(void *param, int tag, int response_value);
        !            48: 
        !            49: /*
        !            50:  * Public Functions
        !            51:  */
        !            52: kern_return_t vol_notify_dev(dev_t block_dev, 
        !            53:        dev_t raw_dev,
        !            54:        const char *form_type,
        !            55:        int vol_state,                          /* IND_VS_LABEL, etc. */
        !            56:        const char *dev_str,
        !            57:        int flags);
        !            58: void vol_notify_cancel(dev_t device);
        !            59: kern_return_t vol_panel_request(vpt_func fnc,
        !            60:        int panel_type,                         /* PR_PT_DISK_NUM, etc. */
        !            61:        int response_type,                      /* PR_RT_ACK, atc. */
        !            62:        int p1,
        !            63:        int p2,
        !            64:        int p3,
        !            65:        int p4,
        !            66:        char *string1,
        !            67:        char *string2,
        !            68:        void *param,
        !            69:        int *tag);                              /* RETURNED */
        !            70: kern_return_t vol_panel_disk_num(vpt_func fnc,
        !            71:        int volume_num,
        !            72:        int drive_type,                         /* PR_DRIVE_FLOPPY, etc. */
        !            73:        int drive_num,
        !            74:        void *param,
        !            75:        boolean_t wrong_disk,
        !            76:        int *tag);                              /* RETURNED */
        !            77: kern_return_t vol_panel_disk_label(vpt_func fnc,
        !            78:        char *label,
        !            79:        int drive_type,                         /* PR_DRIVE_FLOPPY, etc. */
        !            80:        int drive_num,
        !            81:        void *param,
        !            82:        boolean_t wrong_disk,
        !            83:        int *tag);                              /* RETURNED */
        !            84: kern_return_t vol_panel_remove(int tag);
        !            85: 
        !            86: #ifndef        NULL
        !            87: #define NULL 0
        !            88: #endif  /* NULL */
        !            89: 
        !            90: #ifdef KERNEL_PRIVATE
        !            91: /*
        !            92:  * Not used by driverkit-style drivers.
        !            93:  */
        !            94: extern kern_port_t panel_req_port;             /* PORT_NULL if no port to 
        !            95:                                                 * which to send panel requests
        !            96:                                                 * has been registered */
        !            97: #endif /* KERNEL_PRIVATE */
        !            98: 
        !            99: #if    SUPPORT_PORT_DEVICE
        !           100: 
        !           101: kern_return_t vol_notify_port(kern_port_t dev_port, 
        !           102:        char *form_type,
        !           103:        int vol_state,                          /* IND_VS_LABEL, etc. */
        !           104:        int flags);
        !           105: 
        !           106: #endif /* SUPPORT_PORT_DEVICE */
        !           107: 
        !           108: 
        !           109: #endif /* _VOLDEV_ */
        !           110: 
        !           111: /*
        !           112:  * Support for manual "disk present" polling. Normally drives are polled
        !           113:  * by the volCheck module once per second, but if the driver returns YES
        !           114:  * for the needsManualPolling method, its drive will only be polled once 
        !           115:  * for each time the DKIOCCHECKINSERT ioctl is executed on the vol 
        !           116:  * driver. 
        !           117:  */
        !           118: 
        !           119: /* 
        !           120:  * Returns 1 if DKIOCCHECKINSERT has been executed since the last call,
        !           121:  * else returns 0.
        !           122:  */
        !           123: int vol_check_manual_poll();
        !           124: 
        !           125: /*
        !           126:  * Internal version of ioctl(DKIOCCHECKINSERT).
        !           127:  */
        !           128: void vol_check_set_poll();
        !           129: 
        !           130: #endif /* DRIVER_PRIVATE */

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