Release 4.7 include/uapi/linux/cciss_defs.h

#ifndef CCISS_DEFS_H

#define CCISS_DEFS_H

#include <linux/types.h>

/* general boundary definitions */

#define SENSEINFOBYTES          32 
/* note that this value may vary
                                      between host implementations */

/* Command Status value */

#define CMD_SUCCESS             0x0000

#define CMD_TARGET_STATUS       0x0001

#define CMD_DATA_UNDERRUN       0x0002

#define CMD_DATA_OVERRUN        0x0003

#define CMD_INVALID             0x0004

#define CMD_PROTOCOL_ERR        0x0005

#define CMD_HARDWARE_ERR        0x0006

#define CMD_CONNECTION_LOST     0x0007

#define CMD_ABORTED             0x0008

#define CMD_ABORT_FAILED        0x0009

#define CMD_UNSOLICITED_ABORT   0x000A

#define CMD_TIMEOUT             0x000B

#define CMD_UNABORTABLE		0x000C

/* transfer direction */

#define XFER_NONE               0x00

#define XFER_WRITE              0x01

#define XFER_READ               0x02

#define XFER_RSVD               0x03

/* task attribute */

#define ATTR_UNTAGGED           0x00

#define ATTR_SIMPLE             0x04

#define ATTR_HEADOFQUEUE        0x05

#define ATTR_ORDERED            0x06

#define ATTR_ACA                0x07

/* cdb type */

#define TYPE_CMD				0x00

#define TYPE_MSG				0x01

/* Type defs used in the following structs */

#define BYTE __u8

#define WORD __u16

#define HWORD __u16

#define DWORD __u32


#define CISS_MAX_LUN	1024


#define LEVEL2LUN   1 
/* index into Target(x) structure, due to byte swapping */

#define LEVEL3LUN   0

#pragma pack(1)

/* Command List Structure */

typedef union _SCSI3Addr_struct {
   struct {
    
BYTE Dev;
    
BYTE Bus:6;
    
BYTE Mode:2;        /* b00 */
  } 
PeripDev;
   struct {
    
BYTE DevLSB;
    
BYTE DevMSB:6;
    
BYTE Mode:2;        /* b01 */
  } 
LogDev;
   struct {
    
BYTE Dev:5;
    
BYTE Bus:3;
    
BYTE Targ:6;
    
BYTE Mode:2;        /* b10 */
  } 
LogUnit;
} 
SCSI3Addr_struct;


typedef struct _PhysDevAddr_struct {
  
DWORD             TargetId:24;
  
DWORD             Bus:6;
  
DWORD             Mode:2;
  
SCSI3Addr_struct  Target[2]; /* 2 level target device addr */
} 
PhysDevAddr_struct;


typedef struct _LogDevAddr_struct {
  
DWORD            VolId:30;
  
DWORD            Mode:2;
  
BYTE             reserved[4];
} 
LogDevAddr_struct;


typedef union _LUNAddr_struct {
  
BYTE               LunAddrBytes[8];
  
SCSI3Addr_struct   SCSI3Lun[4];
  
PhysDevAddr_struct PhysDev;
  
LogDevAddr_struct  LogDev;
} 
LUNAddr_struct;


typedef struct _RequestBlock_struct {
  
BYTE   CDBLen;
  struct {
    
BYTE Type:3;
    
BYTE Attribute:3;
    
BYTE Direction:2;
  } 
Type;
  
HWORD  Timeout;
  
BYTE   CDB[16];
} 
RequestBlock_struct;


typedef union _MoreErrInfo_struct{
  struct {
    
BYTE  Reserved[3];
    
BYTE  Type;
    
DWORD ErrorInfo;
  } 
Common_Info;
  struct{
    
BYTE  Reserved[2];
    
BYTE  offense_size; /* size of offending entry */
    
BYTE  offense_num;  /* byte # of offense 0-base */
    
DWORD offense_value;
  } 
Invalid_Cmd;
} 
MoreErrInfo_struct;

typedef struct _ErrorInfo_struct {
  
BYTE               ScsiStatus;
  
BYTE               SenseLen;
  
HWORD              CommandStatus;
  
DWORD              ResidualCnt;
  
MoreErrInfo_struct MoreErrInfo;
  
BYTE               SenseInfo[SENSEINFOBYTES];
} 
ErrorInfo_struct;

#pragma pack()

#endif /* CCISS_DEFS_H */
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