| #ifndef CCISS_CMD_H |
| #define CCISS_CMD_H |
| //########################################################################### |
| //DEFINES |
| //########################################################################### |
| #define CISS_VERSION "1.00" |
| |
| //general boundary defintions |
| #define SENSEINFOBYTES 32//note that this value may vary between host implementations |
| #define MAXSGENTRIES 31 |
| #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; |
| } CfgTable_struct; |
| #pragma pack() |
| #endif // CCISS_CMD_H |
