reactos/drivers/storage/inc/rbc.h

180 lines
3.7 KiB
C

/*++
Copyright (C) Microsoft Corporation, 1998 - 1999
Module Name:
rbc.h
Abstract:
These are the structures and defines used in the Reduced Block Command set
Authors:
George Chrysanthakopoulos(georgioc) - April 1998
Revision History:
Dan Knudson (DanKn), 23 Sep 1999 - updated per rev 10 of RBC spec
--*/
#ifndef _NTRBC_
#define _NTRBC_
#include "scsi.h"
//
// Command Descriptor Block. encapsulated under the bus/protocol specific request block
//
typedef union _CDB_RBC {
//
// format unit
//
struct _FORMAT_RBC {
UCHAR OperationCode;
UCHAR VendorSpecific;
UCHAR Increment : 1;
UCHAR Percent_Time : 1;
UCHAR Reserved1 : 1;
UCHAR VendorSpecific1 : 5;
UCHAR Reserved2[2];
UCHAR Control;
} FORMAT_RBC, *PFORMAT_RBC;
//
// prevent/allow medium removal
//
struct _MEDIA_REMOVAL_RBC {
UCHAR OperationCode;
UCHAR Reserved[3];
UCHAR Prevent : 1;
UCHAR Persistent : 1;
UCHAR Reserved3 : 6;
UCHAR Control;
} MEDIA_REMOVAL_RBC, *PMEDIA_REMOVAL_RBC;
//
// START_STOP_UNIT
//
struct _START_STOP_RBC {
UCHAR OperationCode;
UCHAR Immediate: 1;
UCHAR Reserved1 : 7;
UCHAR Reserved2[2];
UCHAR Start : 1;
UCHAR LoadEject : 1;
UCHAR Reserved3 : 2;
UCHAR PowerConditions : 4;
UCHAR Control;
} START_STOP_RBC, *PSTART_STOP_RBC;
struct _SYNCHRONIZE_CACHE_RBC {
UCHAR OperationCode; // 0x35
UCHAR Reserved[8];
UCHAR Control;
} SYNCHRONIZE_CACHE_RBC, *PSYNCHRONIZE_CACHE_RBC;
} CDB_RBC, *PCDB_RBC;
//
// START_STOP_UNIT Power Condition descriptions
//
#define START_STOP_RBC_POWER_CND_NO_CHANGE 0
#define START_STOP_RBC_POWER_CND_ACTIVE 1
#define START_STOP_RBC_POWER_CND_IDLE 2
#define START_STOP_RBC_POWER_CND_STANDBY 3
#define START_STOP_RBC_POWER_CND_SLEEP 5
#define START_STOP_RBC_POWER_CND_DEVICE_CTRL 7
//
// Mode Sense/Select page constants.
//
#define MODE_PAGE_RBC_DEVICE_PARAMETERS 0x06
//
// DeviceType field in inquiry Data
//
#define RBC_DEVICE 0x0E
//
// Define Device Capabilities page.
//
typedef struct _MODE_RBC_DEVICE_PARAMETERS_PAGE {
UCHAR PageCode : 6;
UCHAR Reserved : 1;
UCHAR PageSavable : 1;
UCHAR PageLength;
UCHAR WriteCacheDisable : 1;
UCHAR Reserved1 : 7;
UCHAR LogicalBlockSize[2];
UCHAR NumberOfLogicalBlocks[5];
UCHAR PowerPerformance;
UCHAR LockDisabled : 1;
UCHAR FormatDisabled : 1;
UCHAR WriteDisabled : 1;
UCHAR ReadDisabled : 1;
UCHAR Reserved2 : 4;
UCHAR Reserved3;
}MODE_RBC_DEVICE_PARAMETERS_PAGE, *PMODE_RBC_DEVICE_PARAMETERS_PAGE;
typedef struct _MODE_RBC_DEVICE_PARAMETERS_HEADER_AND_PAGE {
MODE_PARAMETER_HEADER Header;
MODE_RBC_DEVICE_PARAMETERS_PAGE Page;
}MODE_RBC_DEVICE_PARAMETERS_HEADER_AND_PAGE,
*PMODE_RBC_DEVICE_PARAMETERS_HEADER_AND_PAGE;
//
// unsolicited status sense code qualifier values
//
#define RBC_UNSOLICITED_STATUS 0x02
#define RBC_UNSOLICITED_SENSE_KEY 0x06
#define RBC_UNSOLICITED_SC_PWR_STATE_CHNG 0xFF
#define RBC_UNSOLICITED_SC_EVENT_STATUS 0xFE
#define RBC_UNSOLICITED_CLASS_ASQ_DEVICE 0x06
#define RBC_UNSOLICITED_CLASS_ASQ_MEDIA 0x04
#define RBC_UNSOLICITED_CLASS_ASQ_POWER 0x02
//
// Translation routine used to convert SCSI requests that differ from RBC
//
NTSTATUS
Rbc_Scsi_Conversion(
IN PSCSI_REQUEST_BLOCK Srb,
IN PSCSI_REQUEST_BLOCK *OriginalSrb,
IN PMODE_RBC_DEVICE_PARAMETERS_HEADER_AND_PAGE RbcHeaderAndPage,
IN BOOLEAN OutgoingRequest,
IN BOOLEAN RemovableMedia
);
#endif