iokit/IOKit/ata/ata-standard/ATAStandardController.h

   1 /*
   2  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  *      ATAParallelController.h
  24  *
  25  */
  26
  27 #ifndef _ATASTANDARDCONTROLLER_H
  28 #define _ATASTANDARDCONTROLLER_H
  29
  30 class IOSyncer;
  31
  32 typedef struct ATAControllerInfo
  33 {
  34     UInt32      maxDevicesSupported;
  35
  36     UInt32      devicePrivateDataSize;
  37     UInt32      commandPrivateDataSize;
  38
  39     bool        disableCancelCommands;
  40
  41     UInt32      reserved[64];
  42
  43 } ATAControllerInfo;
  44
  45 /*
  46  * Private for IOATAClass
  47  */
  48 enum WorkLoopReqType
  49 {
  50     kWorkLoopInitDevice                 = 1,
  51     kWorkLoopReleaseDevice,
  52 };
  53
  54 enum DispatchAction
  55 {
  56     kDispatchNextCommand        = 1,
  57     kDispatchNextDevice,
  58     kDispatchStop,
  59 };
  60
  61 typedef struct WorkLoopRequest
  62 {
  63     WorkLoopReqType     type;
  64     IOSyncer *          sync;
  65     bool                rc;
  66 } WorkLoopRequest;
  67
  68 #endif
  69