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269 lines
7.3 KiB
269 lines
7.3 KiB
#ifndef CCISS_CMD_H |
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#define CCISS_CMD_H |
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#include <linux/cciss_defs.h> |
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/* DEFINES */ |
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#define CISS_VERSION "1.00" |
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/* general boundary definitions */ |
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#define MAXSGENTRIES 32 |
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#define CCISS_SG_CHAIN 0x80000000 |
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#define MAXREPLYQS 256 |
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/* Unit Attentions ASC's as defined for the MSA2012sa */ |
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#define POWER_OR_RESET 0x29 |
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#define STATE_CHANGED 0x2a |
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#define UNIT_ATTENTION_CLEARED 0x2f |
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#define LUN_FAILED 0x3e |
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#define REPORT_LUNS_CHANGED 0x3f |
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/* Unit Attentions ASCQ's as defined for the MSA2012sa */ |
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/* These ASCQ's defined for ASC = POWER_OR_RESET */ |
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#define POWER_ON_RESET 0x00 |
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#define POWER_ON_REBOOT 0x01 |
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#define SCSI_BUS_RESET 0x02 |
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#define MSA_TARGET_RESET 0x03 |
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#define CONTROLLER_FAILOVER 0x04 |
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#define TRANSCEIVER_SE 0x05 |
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#define TRANSCEIVER_LVD 0x06 |
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/* These ASCQ's defined for ASC = STATE_CHANGED */ |
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#define RESERVATION_PREEMPTED 0x03 |
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#define ASYM_ACCESS_CHANGED 0x06 |
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#define LUN_CAPACITY_CHANGED 0x09 |
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/* config space register offsets */ |
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#define CFG_VENDORID 0x00 |
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#define CFG_DEVICEID 0x02 |
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#define CFG_I2OBAR 0x10 |
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#define CFG_MEM1BAR 0x14 |
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/* i2o space register offsets */ |
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#define I2O_IBDB_SET 0x20 |
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#define I2O_IBDB_CLEAR 0x70 |
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#define I2O_INT_STATUS 0x30 |
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#define I2O_INT_MASK 0x34 |
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#define I2O_IBPOST_Q 0x40 |
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#define I2O_OBPOST_Q 0x44 |
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#define I2O_DMA1_CFG 0x214 |
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/* Configuration Table */ |
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#define CFGTBL_ChangeReq 0x00000001l |
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#define CFGTBL_AccCmds 0x00000001l |
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#define DOORBELL_CTLR_RESET 0x00000004l |
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#define DOORBELL_CTLR_RESET2 0x00000020l |
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#define CFGTBL_Trans_Simple 0x00000002l |
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#define CFGTBL_Trans_Performant 0x00000004l |
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#define CFGTBL_Trans_use_short_tags 0x20000000l |
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#define CFGTBL_BusType_Ultra2 0x00000001l |
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#define CFGTBL_BusType_Ultra3 0x00000002l |
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#define CFGTBL_BusType_Fibre1G 0x00000100l |
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#define CFGTBL_BusType_Fibre2G 0x00000200l |
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typedef struct _vals32 |
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{ |
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__u32 lower; |
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__u32 upper; |
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} vals32; |
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typedef union _u64bit |
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{ |
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vals32 val32; |
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__u64 val; |
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} u64bit; |
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/* Type defs used in the following structs */ |
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#define QWORD vals32 |
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/* STRUCTURES */ |
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#define CISS_MAX_PHYS_LUN 1024 |
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/* SCSI-3 Cmmands */ |
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#pragma pack(1) |
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#define CISS_INQUIRY 0x12 |
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/* Date returned */ |
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typedef struct _InquiryData_struct |
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{ |
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BYTE data_byte[36]; |
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} InquiryData_struct; |
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#define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */ |
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#define CISS_REPORT_PHYS 0xc3 /* Report Physical LUNs */ |
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/* Data returned */ |
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typedef struct _ReportLUNdata_struct |
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{ |
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BYTE LUNListLength[4]; |
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DWORD reserved; |
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BYTE LUN[CISS_MAX_LUN][8]; |
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} ReportLunData_struct; |
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#define CCISS_READ_CAPACITY 0x25 /* Read Capacity */ |
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typedef struct _ReadCapdata_struct |
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{ |
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BYTE total_size[4]; /* Total size in blocks */ |
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BYTE block_size[4]; /* Size of blocks in bytes */ |
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} ReadCapdata_struct; |
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#define CCISS_READ_CAPACITY_16 0x9e /* Read Capacity 16 */ |
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/* service action to differentiate a 16 byte read capacity from |
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other commands that use the 0x9e SCSI op code */ |
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#define CCISS_READ_CAPACITY_16_SERVICE_ACT 0x10 |
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typedef struct _ReadCapdata_struct_16 |
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{ |
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BYTE total_size[8]; /* Total size in blocks */ |
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BYTE block_size[4]; /* Size of blocks in bytes */ |
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BYTE prot_en:1; /* protection enable bit */ |
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BYTE rto_en:1; /* reference tag own enable bit */ |
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BYTE reserved:6; /* reserved bits */ |
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BYTE reserved2[18]; /* reserved bytes per spec */ |
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} ReadCapdata_struct_16; |
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/* Define the supported read/write commands for cciss based controllers */ |
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#define CCISS_READ_10 0x28 /* Read(10) */ |
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#define CCISS_WRITE_10 0x2a /* Write(10) */ |
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#define CCISS_READ_16 0x88 /* Read(16) */ |
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#define CCISS_WRITE_16 0x8a /* Write(16) */ |
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/* Define the CDB lengths supported by cciss based controllers */ |
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#define CDB_LEN10 10 |
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#define CDB_LEN16 16 |
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/* BMIC commands */ |
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#define BMIC_READ 0x26 |
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#define BMIC_WRITE 0x27 |
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#define BMIC_CACHE_FLUSH 0xc2 |
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#define CCISS_CACHE_FLUSH 0x01 /* C2 was already being used by CCISS */ |
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#define CCISS_ABORT_MSG 0x00 |
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#define CCISS_RESET_MSG 0x01 |
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#define CCISS_RESET_TYPE_CONTROLLER 0x00 |
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#define CCISS_RESET_TYPE_BUS 0x01 |
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#define CCISS_RESET_TYPE_TARGET 0x03 |
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#define CCISS_RESET_TYPE_LUN 0x04 |
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#define CCISS_NOOP_MSG 0x03 |
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/* Command List Structure */ |
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#define CTLR_LUNID "\0\0\0\0\0\0\0\0" |
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typedef struct _CommandListHeader_struct { |
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BYTE ReplyQueue; |
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BYTE SGList; |
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HWORD SGTotal; |
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QWORD Tag; |
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LUNAddr_struct LUN; |
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} CommandListHeader_struct; |
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typedef struct _ErrDescriptor_struct { |
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QWORD Addr; |
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DWORD Len; |
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} ErrDescriptor_struct; |
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typedef struct _SGDescriptor_struct { |
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QWORD Addr; |
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DWORD Len; |
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DWORD Ext; |
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} SGDescriptor_struct; |
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/* Command types */ |
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#define CMD_RWREQ 0x00 |
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#define CMD_IOCTL_PEND 0x01 |
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#define CMD_SCSI 0x03 |
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#define CMD_MSG_DONE 0x04 |
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#define CMD_MSG_TIMEOUT 0x05 |
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#define CMD_MSG_STALE 0xff |
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/* This structure needs to be divisible by COMMANDLIST_ALIGNMENT |
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* because low bits of the address are used to to indicate that |
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* whether the tag contains an index or an address. PAD_32 and |
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* PAD_64 can be adjusted independently as needed for 32-bit |
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* and 64-bits systems. |
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*/ |
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#define COMMANDLIST_ALIGNMENT (32) |
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#define IS_64_BIT ((sizeof(long) - 4)/4) |
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#define IS_32_BIT (!IS_64_BIT) |
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#define PAD_32 (0) |
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#define PAD_64 (4) |
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#define PADSIZE (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64) |
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#define DIRECT_LOOKUP_BIT 0x10 |
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#define DIRECT_LOOKUP_SHIFT 5 |
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typedef struct _CommandList_struct { |
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CommandListHeader_struct Header; |
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RequestBlock_struct Request; |
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ErrDescriptor_struct ErrDesc; |
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SGDescriptor_struct SG[MAXSGENTRIES]; |
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/* information associated with the command */ |
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__u32 busaddr; /* physical address of this record */ |
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ErrorInfo_struct * err_info; /* pointer to the allocated mem */ |
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int ctlr; |
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int cmd_type; |
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long cmdindex; |
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struct list_head list; |
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struct request * rq; |
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struct completion *waiting; |
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int retry_count; |
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void * scsi_cmd; |
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char pad[PADSIZE]; |
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} CommandList_struct; |
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/* Configuration Table Structure */ |
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typedef struct _HostWrite_struct { |
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DWORD TransportRequest; |
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DWORD Reserved; |
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DWORD CoalIntDelay; |
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DWORD CoalIntCount; |
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} HostWrite_struct; |
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typedef struct _CfgTable_struct { |
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BYTE Signature[4]; |
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DWORD SpecValence; |
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#define SIMPLE_MODE 0x02 |
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#define PERFORMANT_MODE 0x04 |
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#define MEMQ_MODE 0x08 |
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DWORD TransportSupport; |
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DWORD TransportActive; |
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HostWrite_struct HostWrite; |
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DWORD CmdsOutMax; |
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DWORD BusTypes; |
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DWORD TransMethodOffset; |
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BYTE ServerName[16]; |
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DWORD HeartBeat; |
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DWORD SCSI_Prefetch; |
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DWORD MaxSGElements; |
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DWORD MaxLogicalUnits; |
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DWORD MaxPhysicalDrives; |
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DWORD MaxPhysicalDrivesPerLogicalUnit; |
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DWORD MaxPerformantModeCommands; |
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u8 reserved[0x78 - 0x58]; |
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u32 misc_fw_support; /* offset 0x78 */ |
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#define MISC_FW_DOORBELL_RESET (0x02) |
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#define MISC_FW_DOORBELL_RESET2 (0x10) |
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u8 driver_version[32]; |
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} CfgTable_struct; |
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struct TransTable_struct { |
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u32 BlockFetch0; |
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u32 BlockFetch1; |
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u32 BlockFetch2; |
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u32 BlockFetch3; |
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u32 BlockFetch4; |
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u32 BlockFetch5; |
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u32 BlockFetch6; |
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u32 BlockFetch7; |
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u32 RepQSize; |
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u32 RepQCount; |
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u32 RepQCtrAddrLow32; |
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u32 RepQCtrAddrHigh32; |
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u32 RepQAddr0Low32; |
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u32 RepQAddr0High32; |
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}; |
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#pragma pack() |
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#endif /* CCISS_CMD_H */
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