#ifndef CCISS_H
#define CCISS_H
#include <linux/types.h>
#include <linux/ioctl.h>
#define CCISS_IOC_MAGIC 'B'
/*
* 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
#define SENSEINFOBYTES 32
/*
* Type defs used in the following structs
*/
#define BYTE __u8
#define WORD __u16
#define HWORD __u16
#define DWORD __u32
#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()
typedef struct _IOCTL_Command_struct {
LUNAddr_struct LUN_info;
RequestBlock_struct Request;
ErrorInfo_struct error_info;
WORD buf_size; /* size in bytes of the buf */
BYTE *buf;
} IOCTL_Command_struct;
typedef struct _LogvolInfo_struct{
__u32 LunID;
int num_opens; /* number of opens on the logical volume */
int num_parts; /* number of partitions configured on logvol */
} LogvolInfo_struct;
#define CCISS_PASSTHRU _IOWR(CCISS_IOC_MAGIC, 11, IOCTL_Command_struct)
#define CCISS_GETLUNINFO _IOR(CCISS_IOC_MAGIC, 17, LogvolInfo_struct)
int cciss_init( struct checker *);
void cciss_free (struct checker * c);
int cciss_tur( struct checker *);
#endif