#ifndef CCISS_CMD_H #define CCISS_CMD_H #include <linux/cciss_defs.h> /* DEFINES */ #define CISS_VERSION "1.00" /* general boundary definitions */ #define MAXSGENTRIES 32 #define CCISS_SG_CHAIN 0x80000000 #define MAXREPLYQS 256 /* 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 /* 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_Trans_Performant 0x00000004l #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 QWORD vals32 /* STRUCTURES */ #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 */ #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 _ErrDescriptor_struct { QWORD Addr; DWORD Len; } ErrDescriptor_struct; typedef struct _SGDescriptor_struct { QWORD Addr; DWORD Len; DWORD Ext; } SGDescriptor_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 COMMANDLIST_ALIGNMENT * because low bits of the address are used to to indicate that * whether the tag contains an index or an address. PAD_32 and * PAD_64 can be adjusted independently as needed for 32-bit * and 64-bits systems. */ #define COMMANDLIST_ALIGNMENT (32) #define IS_64_BIT ((sizeof(long) - 4)/4) #define IS_32_BIT (!IS_64_BIT) #define PAD_32 (0) #define PAD_64 (4) #define PADSIZE (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64) #define DIRECT_LOOKUP_BIT 0x10 #define DIRECT_LOOKUP_SHIFT 5 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; #define SIMPLE_MODE 0x02 #define PERFORMANT_MODE 0x04 #define MEMQ_MODE 0x08 DWORD TransportSupport; DWORD TransportActive; HostWrite_struct HostWrite; DWORD CmdsOutMax; DWORD BusTypes; DWORD TransMethodOffset; BYTE ServerName[16]; DWORD HeartBeat; DWORD SCSI_Prefetch; DWORD MaxSGElements; DWORD MaxLogicalUnits; DWORD MaxPhysicalDrives; DWORD MaxPhysicalDrivesPerLogicalUnit; DWORD MaxPerformantModeCommands; } CfgTable_struct; struct TransTable_struct { u32 BlockFetch0; u32 BlockFetch1; u32 BlockFetch2; u32 BlockFetch3; u32 BlockFetch4; u32 BlockFetch5; u32 BlockFetch6; u32 BlockFetch7; u32 RepQSize; u32 RepQCount; u32 RepQCtrAddrLow32; u32 RepQCtrAddrHigh32; u32 RepQAddr0Low32; u32 RepQAddr0High32; }; #pragma pack() #endif /* CCISS_CMD_H */