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Annotation of kernel/bsd/dev/ppc/drvPPCATA/AtapiCntCmds.h, revision 1.1.1.1

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: // Copyright 1997 by Apple Computer, Inc., all rights reserved.
                     26: /*
                     27:  * Copyright (c) 1994-1997 NeXT Software, Inc.  All rights reserved. 
                     28:  *
                     29:  * AtapiCntCmds.h - ATAPI command interface for ATA. 
                     30:  *
                     31:  * HISTORY 
                     32:  * 1-Sep-1994   Rakesh Dubey at NeXT
                     33:  *     Created.
                     34:  */
                     35: 
                     36: #import "atapi_extern.h"
                     37: #import "IdeCnt.h"
                     38: #import <driverkit/kernelDriver.h>
                     39: #import <driverkit/interruptMsg.h>
                     40: #import <mach/mach_interface.h>
                     41: #import <driverkit/IODevice.h>
                     42: #import <driverkit/align.h>
                     43: #import <machkit/NXLock.h>
                     44: #import "io_inline.h"
                     45: #import <driverkit/scsiTypes.h>
                     46: #import <string.h>
                     47: 
                     48: #define MAX_ATAPI_CMD_LEN      16
                     49: 
                     50: typedef struct {
                     51:     unsigned char drive;
                     52:     unsigned char lun;                         /* dream on */
                     53:     unsigned char atapiCmd[MAX_ATAPI_CMD_LEN];
                     54:     unsigned char cmdLen;
                     55:     unsigned int maxTransfer;
                     56:     BOOL  read;
                     57:     esense_reply_t senseData;
                     58:     unsigned int bytesTransferred;
                     59:     unsigned char scsiStatus;
                     60: } atapiIoReq_t;
                     61: 
                     62: 
                     63: @interface IdeController(ATAPI)
                     64: 
                     65: -(unsigned char)atapiCommandPacketSize:(unsigned char)unit;
                     66: 
                     67: -(atapi_return_t)atapiWaitForNotBusy;
                     68: 
                     69: // only for ATAPI Identify Device
                     70: - (ide_return_t)atapiIdentifyDeviceWaitForDataReady;   
                     71: 
                     72: -(atapi_return_t)atapiSoftReset:(unsigned char)unit;
                     73: 
                     74: -(void) printAtapiInfo:(ideIdentifyInfo_t *)ideIdentifyInfo
                     75:                Device:(unsigned char)unit;
                     76: 
                     77: -(atapi_return_t)atapiIdentifyDevice:(struct vm_map *)client
                     78:                                addr:(caddr_t)xferAddr
                     79:                                unit:(unsigned char)unit;
                     80:                                
                     81: -(void)atapiInitParameters:(ideIdentifyInfo_t *)infoPtr 
                     82:                Device:(unsigned char)unit;
                     83:                
                     84: -(atapi_return_t)atapiPacketCommand;
                     85: 
                     86: - (void) sendAtapiCommand:(unsigned char *)atapiCmd
                     87:        cmdLen:(unsigned char)len;
                     88:        
                     89: - (void)dumpStatus:(atapiIoReq_t *)atapiIoReq;
                     90: 
                     91: - (sc_status_t) atapiExecuteCmd:(atapiIoReq_t *)atapiIoReq 
                     92:                    buffer : (void *)buffer 
                     93:                    client : (struct vm_map *)client;
                     94: 
                     95: - (sc_status_t) atapiXferPIO:(atapiIoReq_t *)atapiIoReq 
                     96:                    buffer : (void *)buffer 
                     97:                    client : (struct vm_map *)client;
                     98: 
                     99: - (sc_status_t) atapiXferDMA:(atapiIoReq_t *)atapiIoReq 
                    100:                    buffer : (void *)buffer 
                    101:                    client : (struct vm_map *)client;
                    102: 
                    103: - (BOOL) atapiDmaAllowed: (void *)buffer;
                    104: 
                    105: @end
                    106: 
                    107: /*
                    108:  * So that we can use ATAPI naming convention and still use the ATA
                    109:  * registers. 
                    110:  */
                    111: #define interruptReason                sectCnt
                    112: #define byteCountLow           cylLow
                    113: #define byteCountHigh          cylHigh
                    114: #define driveSelect            drHead

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