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Annotation of kernel/machdep/i386/xpr.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: /* 
        !            26:  * Copyright (c) 1987, 1988, 1989 NeXT, Inc.
        !            27:  *
        !            28:  * HISTORY
        !            29:  * 16-Mar-93    Curtis Galloway at NeXT
        !            30:  *      Removed obsolete eventc.h.
        !            31:  *
        !            32:  * 02-Mar-89   Doug Mitchell at NeXT
        !            33:  *     Added XPR_SCCMD.
        !            34:  *
        !            35:  * 25-Feb-88  Gregg Kellogg (gk) at NeXT
        !            36:  *     Changed timestamp to use event counter
        !            37:  */ 
        !            38: 
        !            39: /*
        !            40:  *     File:   i386/xpr.h
        !            41:  *
        !            42:  *     Machine dependent module for the XPR tracing facility.
        !            43:  */
        !            44: 
        !            45: #ifdef KERNEL_BUILD
        !            46: #import "uxpr.h"
        !            47: #import "xpr_debug.h"
        !            48: #else  /* KERNEL_BUILD */
        !            49: #import <mach/features.h>
        !            50: #endif /* KERNEL_BUILD */
        !            51: 
        !            52: #ifndef        DDM_DEBUG
        !            53: #define DDM_DEBUG      XPR_DEBUG
        !            54: #endif /* DDM_DEBUG */
        !            55: 
        !            56: #import <driverkit/debugging.h>
        !            57: #import <driverkit/ddmPrivate.h>
        !            58: #import <driverkit/Device_ddm.h>
        !            59: #import <driverkit/xpr_mi.h>
        !            60: 
        !            61: /* 
        !            62:  * This stuff is old, probably should be deleted.
        !            63:  */
        !            64: #define XPR_TIMESTAMP  event_get()
        !            65: 
        !            66: #define        XPR_OD          (1 << 21)
        !            67: #define        XPR_PRINTER     (1 << 22)
        !            68: #define XPR_SOUND      (1 << 23)
        !            69: #define XPR_DSP                (1 << 24)
        !            70: #define XPR_MIDI       (1 << 25)
        !            71: #define XPR_DMA                (1 << 26)
        !            72: #define XPR_EVENT      (1 << 27)
        !            73: #define        XPR_SCSI        (1 << 28)
        !            74: #define XPR_SCC                (1 << 29)
        !            75: #define XPR_FD         (1 << 30)
        !            76: #define        XPR_KM          (1 << 31)
        !            77: 
        !            78: /*
        !            79:  * Real driverkit style DDM defines.
        !            80:  */
        !            81:  
        !            82: /*
        !            83:  * Compile-time flags:
        !            84:  *
        !            85:  * UXPR - this enables driverkit-style xpr functionality. The module which
        !            86:  *       implements this, machdep/nrw/ddm.c, is compiled into the kernel 
        !            87:  *       when this flag is true. Currently this is true in all nrw builds.
        !            88:  * DDM_DEBUG - enables actual uxpr() macros. Currrently this is true only
        !            89:  *       in nrw DEBUG builds. 
        !            90:  *
        !            91:  * RELEASE kernels compile in ddm.c to allow loadable servers to use the 
        !            92:  *       uxpr mechanism.
        !            93:  */
        !            94:  
        !            95: #define XPR_DMABUF     0x00000100      // IOEISADirectDevice dma buffers
        !            96: 
        !            97: #define xpr_dmabuf(x, a, b, c, d, e)                                   \
        !            98:        IODEBUG(XPR_IODEVICE_INDEX, XPR_DMABUF, x, a, b, c, d, e)
        !            99: 

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