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#ifndef CCISS_CMD_H
#define CCISS_CMD_H
//###########################################################################
//DEFINES
//###########################################################################
#define CISS_VERSION "1.00"
//general boundary definitions
#define SENSEINFOBYTES 32//note that this value may vary between host implementations
#define MAXSGENTRIES 32
#define CCISS_SG_CHAIN 0x80000000
#define MAXREPLYQS 256
//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
/* Unit Attentions ASC's as defined for the MSA2012sa */
#define POWER_OR_RESET 0x29
#define STATE_CHANGED 0x2a
#define UNIT_ATTENTION_CLEARED 0x2f
#define LUN_FAILED 0x3e
#define REPORT_LUNS_CHANGED 0x3f
/* Unit Attentions ASCQ's as defined for the MSA2012sa */
/* These ASCQ's defined for ASC = POWER_OR_RESET */
#define POWER_ON_RESET 0x00
#define POWER_ON_REBOOT 0x01
#define SCSI_BUS_RESET 0x02
#define MSA_TARGET_RESET 0x03
#define CONTROLLER_FAILOVER 0x04
#define TRANSCEIVER_SE 0x05
#define TRANSCEIVER_LVD 0x06
/* These ASCQ's defined for ASC = STATE_CHANGED */
#define RESERVATION_PREEMPTED 0x03
#define ASYM_ACCESS_CHANGED 0x06
#define LUN_CAPACITY_CHANGED 0x09
//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
//config space register offsets
#define CFG_VENDORID 0x00
#define CFG_DEVICEID 0x02
#define CFG_I2OBAR 0x10
#define CFG_MEM1BAR 0x14
//i2o space register offsets
#define I2O_IBDB_SET 0x20
#define I2O_IBDB_CLEAR 0x70
#define I2O_INT_STATUS 0x30
#define I2O_INT_MASK 0x34
#define I2O_IBPOST_Q 0x40
#define I2O_OBPOST_Q 0x44
#define I2O_DMA1_CFG 0x214
//Configuration Table
#define CFGTBL_ChangeReq 0x00000001l
#define CFGTBL_AccCmds 0x00000001l
#define CFGTBL_Trans_Simple 0x00000002l
#define CFGTBL_BusType_Ultra2 0x00000001l
#define CFGTBL_BusType_Ultra3 0x00000002l
#define CFGTBL_BusType_Fibre1G 0x00000100l
#define CFGTBL_BusType_Fibre2G 0x00000200l
typedef struct _vals32
{
__u32 lower;
__u32 upper;
} vals32;
typedef union _u64bit
{
vals32 val32;
__u64 val;
} u64bit;
// Type defs used in the following structs
#define BYTE __u8
#define WORD __u16
#define HWORD __u16
#define DWORD __u32
#define QWORD vals32
//###########################################################################
//STRUCTURES
//###########################################################################
#define CISS_MAX_LUN 1024
#define CISS_MAX_PHYS_LUN 1024
// SCSI-3 Cmmands
#pragma pack(1)
#define CISS_INQUIRY 0x12
//Date returned
typedef struct _InquiryData_struct
{
BYTE data_byte[36];
} InquiryData_struct;
#define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */
#define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */
// Data returned
typedef struct _ReportLUNdata_struct
{
BYTE LUNListLength[4];
DWORD reserved;
BYTE LUN[CISS_MAX_LUN][8];
} ReportLunData_struct;
#define CCISS_READ_CAPACITY 0x25 /* Read Capacity */
typedef struct _ReadCapdata_struct
{
BYTE total_size[4]; // Total size in blocks
BYTE block_size[4]; // Size of blocks in bytes
} ReadCapdata_struct;
#define CCISS_READ_CAPACITY_16 0x9e /* Read Capacity 16 */
/* service action to differentiate a 16 byte read capacity from
other commands that use the 0x9e SCSI op code */
#define CCISS_READ_CAPACITY_16_SERVICE_ACT 0x10
typedef struct _ReadCapdata_struct_16
{
BYTE total_size[8]; /* Total size in blocks */
BYTE block_size[4]; /* Size of blocks in bytes */
BYTE prot_en:1; /* protection enable bit */
BYTE rto_en:1; /* reference tag own enable bit */
BYTE reserved:6; /* reserved bits */
BYTE reserved2[18]; /* reserved bytes per spec */
} ReadCapdata_struct_16;
/* Define the supported read/write commands for cciss based controllers */
#define CCISS_READ_10 0x28 /* Read(10) */
#define CCISS_WRITE_10 0x2a /* Write(10) */
#define CCISS_READ_16 0x88 /* Read(16) */
#define CCISS_WRITE_16 0x8a /* Write(16) */
/* Define the CDB lengths supported by cciss based controllers */
#define CDB_LEN10 10
#define CDB_LEN16 16
// BMIC commands
#define BMIC_READ 0x26
#define BMIC_WRITE 0x27
#define BMIC_CACHE_FLUSH 0xc2
#define CCISS_CACHE_FLUSH 0x01 //C2 was already being used by CCISS
//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;
#define CTLR_LUNID "\0\0\0\0\0\0\0\0"
typedef struct _CommandListHeader_struct {
BYTE ReplyQueue;
BYTE SGList;
HWORD SGTotal;
QWORD Tag;
LUNAddr_struct LUN;
} CommandListHeader_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 struct _ErrDescriptor_struct {
QWORD Addr;
DWORD Len;
} ErrDescriptor_struct;
typedef struct _SGDescriptor_struct {
QWORD Addr;
DWORD Len;
DWORD Ext;
} SGDescriptor_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;
/* Command types */
#define CMD_RWREQ 0x00
#define CMD_IOCTL_PEND 0x01
#define CMD_SCSI 0x03
#define CMD_MSG_DONE 0x04
#define CMD_MSG_TIMEOUT 0x05
#define CMD_MSG_STALE 0xff
/* This structure needs to be divisible by 8 for new
* indexing method.
*/
#define PADSIZE (sizeof(long) - 4)
typedef struct _CommandList_struct {
CommandListHeader_struct Header;
RequestBlock_struct Request;
ErrDescriptor_struct ErrDesc;
SGDescriptor_struct SG[MAXSGENTRIES];
/* information associated with the command */
__u32 busaddr; /* physical address of this record */
ErrorInfo_struct * err_info; /* pointer to the allocated mem */
int ctlr;
int cmd_type;
long cmdindex;
struct hlist_node list;
struct request * rq;
struct completion *waiting;
int retry_count;
void * scsi_cmd;
char pad[PADSIZE];
} CommandList_struct;
//Configuration Table Structure
typedef struct _HostWrite_struct {
DWORD TransportRequest;
DWORD Reserved;
DWORD CoalIntDelay;
DWORD CoalIntCount;
} HostWrite_struct;
typedef struct _CfgTable_struct {
BYTE Signature[4];
DWORD SpecValence;
DWORD TransportSupport;
DWORD TransportActive;
HostWrite_struct HostWrite;
DWORD CmdsOutMax;
DWORD BusTypes;
DWORD Reserved;
BYTE ServerName[16];
DWORD HeartBeat;
DWORD SCSI_Prefetch;
DWORD MaxSGElements;
DWORD MaxLogicalUnits;
DWORD MaxPhysicalDrives;
DWORD MaxPhysicalDrivesPerLogicalUnit;
} CfgTable_struct;
#pragma pack()
#endif // CCISS_CMD_H
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