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#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 DOORBELL_CTLR_RESET 0x00000004l
#define DOORBELL_CTLR_RESET2 0x00000020l
#define CFGTBL_Trans_Simple 0x00000002l
#define CFGTBL_Trans_Performant 0x00000004l
#define CFGTBL_Trans_use_short_tags 0x20000000l
#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 */
#define CCISS_ABORT_MSG 0x00
#define CCISS_RESET_MSG 0x01
#define CCISS_RESET_TYPE_CONTROLLER 0x00
#define CCISS_RESET_TYPE_BUS 0x01
#define CCISS_RESET_TYPE_TARGET 0x03
#define CCISS_RESET_TYPE_LUN 0x04
#define CCISS_NOOP_MSG 0x03
/* 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 list_head 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;
u8 reserved[0x78 - 0x58];
u32 misc_fw_support; /* offset 0x78 */
#define MISC_FW_DOORBELL_RESET (0x02)
#define MISC_FW_DOORBELL_RESET2 (0x10)
u8 driver_version[32];
} 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 */
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