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path: root/drivers/block/cciss_cmd.h
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Diffstat (limited to 'drivers/block/cciss_cmd.h')
-rw-r--r--drivers/block/cciss_cmd.h271
1 files changed, 271 insertions, 0 deletions
diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h
new file mode 100644
index 00000000000..a88a8881762
--- /dev/null
+++ b/drivers/block/cciss_cmd.h
@@ -0,0 +1,271 @@
+#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
+
+//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
+
+//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 16
+#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;
+
+// 12 byte commands not implemented in firmware yet.
+// #define CCISS_READ 0xa8 // Read(12)
+// #define CCISS_WRITE 0xaa // Write(12)
+ #define CCISS_READ 0x28 // Read(10)
+ #define CCISS_WRITE 0x2a // Write(10)
+
+// 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;
+
+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
+
+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;
+ struct _CommandList_struct *prev;
+ struct _CommandList_struct *next;
+ struct request * rq;
+ struct completion *waiting;
+ int retry_count;
+#ifdef CONFIG_CISS_SCSI_TAPE
+ void * scsi_cmd;
+#endif
+} 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