132 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef CCISS_DEFS_H
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#define CCISS_DEFS_H
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#include <linux/types.h>
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/* general boundary definitions */
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#define SENSEINFOBYTES          32 /* note that this value may vary
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				      between host implementations */
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/* Command Status value */
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#define CMD_SUCCESS             0x0000
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#define CMD_TARGET_STATUS       0x0001
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#define CMD_DATA_UNDERRUN       0x0002
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#define CMD_DATA_OVERRUN        0x0003
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#define CMD_INVALID             0x0004
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#define CMD_PROTOCOL_ERR        0x0005
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#define CMD_HARDWARE_ERR        0x0006
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#define CMD_CONNECTION_LOST     0x0007
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#define CMD_ABORTED             0x0008
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#define CMD_ABORT_FAILED        0x0009
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#define CMD_UNSOLICITED_ABORT   0x000A
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#define CMD_TIMEOUT             0x000B
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#define CMD_UNABORTABLE		0x000C
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/* transfer direction */
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#define XFER_NONE               0x00
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#define XFER_WRITE              0x01
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#define XFER_READ               0x02
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#define XFER_RSVD               0x03
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/* task attribute */
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#define ATTR_UNTAGGED           0x00
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#define ATTR_SIMPLE             0x04
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#define ATTR_HEADOFQUEUE        0x05
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#define ATTR_ORDERED            0x06
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#define ATTR_ACA                0x07
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/* cdb type */
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#define TYPE_CMD				0x00
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#define TYPE_MSG				0x01
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/* Type defs used in the following structs */
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#define BYTE __u8
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#define WORD __u16
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#define HWORD __u16
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#define DWORD __u32
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#define CISS_MAX_LUN	1024
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#define LEVEL2LUN   1 /* index into Target(x) structure, due to byte swapping */
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#define LEVEL3LUN   0
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#pragma pack(1)
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/* Command List Structure */
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typedef union _SCSI3Addr_struct {
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   struct {
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    BYTE Dev;
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    BYTE Bus:6;
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    BYTE Mode:2;        /* b00 */
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  } PeripDev;
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   struct {
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    BYTE DevLSB;
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    BYTE DevMSB:6;
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    BYTE Mode:2;        /* b01 */
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  } LogDev;
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   struct {
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    BYTE Dev:5;
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    BYTE Bus:3;
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    BYTE Targ:6;
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    BYTE Mode:2;        /* b10 */
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  } LogUnit;
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} SCSI3Addr_struct;
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typedef struct _PhysDevAddr_struct {
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  DWORD             TargetId:24;
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  DWORD             Bus:6;
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  DWORD             Mode:2;
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  SCSI3Addr_struct  Target[2]; /* 2 level target device addr */
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} PhysDevAddr_struct;
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typedef struct _LogDevAddr_struct {
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  DWORD            VolId:30;
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  DWORD            Mode:2;
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  BYTE             reserved[4];
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} LogDevAddr_struct;
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typedef union _LUNAddr_struct {
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  BYTE               LunAddrBytes[8];
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  SCSI3Addr_struct   SCSI3Lun[4];
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  PhysDevAddr_struct PhysDev;
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  LogDevAddr_struct  LogDev;
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} LUNAddr_struct;
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typedef struct _RequestBlock_struct {
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  BYTE   CDBLen;
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  struct {
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    BYTE Type:3;
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    BYTE Attribute:3;
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    BYTE Direction:2;
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  } Type;
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  HWORD  Timeout;
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  BYTE   CDB[16];
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} RequestBlock_struct;
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typedef union _MoreErrInfo_struct{
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  struct {
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    BYTE  Reserved[3];
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    BYTE  Type;
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    DWORD ErrorInfo;
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  } Common_Info;
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  struct{
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    BYTE  Reserved[2];
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    BYTE  offense_size; /* size of offending entry */
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    BYTE  offense_num;  /* byte # of offense 0-base */
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    DWORD offense_value;
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  } Invalid_Cmd;
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} MoreErrInfo_struct;
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typedef struct _ErrorInfo_struct {
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  BYTE               ScsiStatus;
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  BYTE               SenseLen;
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  HWORD              CommandStatus;
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  DWORD              ResidualCnt;
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  MoreErrInfo_struct MoreErrInfo;
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  BYTE               SenseInfo[SENSEINFOBYTES];
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} ErrorInfo_struct;
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#pragma pack()
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#endif /* CCISS_DEFS_H */
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