run the basic process with iscsi driver
This commit is contained in:
Lei Xue
307
pkg/api/types.go
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307
pkg/api/types.go
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@@ -0,0 +1,307 @@
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package api
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import (
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"bytes"
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"errors"
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)
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type SCSICommandType byte
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var (
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TEST_UNIT_READY SCSICommandType = 0x00
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REZERO_UNIT SCSICommandType = 0x01
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REQUEST_SENSE SCSICommandType = 0x03
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FORMAT_UNIT SCSICommandType = 0x04
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READ_BLOCK_LIMITS SCSICommandType = 0x05
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REASSIGN_BLOCKS SCSICommandType = 0x07
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INITIALIZE_ELEMENT_STATUS SCSICommandType = 0x07
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READ_6 SCSICommandType = 0x08
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WRITE_6 SCSICommandType = 0x0a
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SEEK_6 SCSICommandType = 0x0b
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READ_REVERSE SCSICommandType = 0x0f
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WRITE_FILEMARKS SCSICommandType = 0x10
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SPACE SCSICommandType = 0x11
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INQUIRY SCSICommandType = 0x12
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RECOVER_BUFFERED_DATA SCSICommandType = 0x14
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MODE_SELECT SCSICommandType = 0x15
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RESERVE SCSICommandType = 0x16
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RELEASE SCSICommandType = 0x17
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COPY SCSICommandType = 0x18
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ERASE SCSICommandType = 0x19
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MODE_SENSE SCSICommandType = 0x1a
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START_STOP SCSICommandType = 0x1b
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RECEIVE_DIAGNOSTIC SCSICommandType = 0x1c
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SEND_DIAGNOSTIC SCSICommandType = 0x1d
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ALLOW_MEDIUM_REMOVAL SCSICommandType = 0x1e
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SET_WINDOW SCSICommandType = 0x24
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READ_CAPACITY SCSICommandType = 0x25
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READ_10 SCSICommandType = 0x28
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WRITE_10 SCSICommandType = 0x2a
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SEEK_10 SCSICommandType = 0x2b
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POSITION_TO_ELEMENT SCSICommandType = 0x2b
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WRITE_VERIFY SCSICommandType = 0x2e
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VERIFY_10 SCSICommandType = 0x2f
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SEARCH_HIGH SCSICommandType = 0x30
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SEARCH_EQUAL SCSICommandType = 0x31
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SEARCH_LOW SCSICommandType = 0x32
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SET_LIMITS SCSICommandType = 0x33
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PRE_FETCH_10 SCSICommandType = 0x34
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READ_POSITION SCSICommandType = 0x34
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SYNCHRONIZE_CACHE SCSICommandType = 0x35
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LOCK_UNLOCK_CACHE SCSICommandType = 0x36
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READ_DEFECT_DATA SCSICommandType = 0x37
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INITIALIZE_ELEMENT_STATUS_WITH_RANGE SCSICommandType = 0x37
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MEDIUM_SCAN SCSICommandType = 0x38
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COMPARE SCSICommandType = 0x39
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COPY_VERIFY SCSICommandType = 0x3a
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WRITE_BUFFER SCSICommandType = 0x3b
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READ_BUFFER SCSICommandType = 0x3c
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UPDATE_BLOCK SCSICommandType = 0x3d
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READ_LONG SCSICommandType = 0x3e
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WRITE_LONG SCSICommandType = 0x3f
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CHANGE_DEFINITION SCSICommandType = 0x40
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WRITE_SAME SCSICommandType = 0x41
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UNMAP SCSICommandType = 0x42
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READ_TOC SCSICommandType = 0x43
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GET_CONFIGURATION SCSICommandType = 0x46
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LOG_SELECT SCSICommandType = 0x4c
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LOG_SENSE SCSICommandType = 0x4d
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READ_DISK_INFO SCSICommandType = 0x51
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READ_TRACK_INFO SCSICommandType = 0x52
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MODE_SELECT_10 SCSICommandType = 0x55
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RESERVE_10 SCSICommandType = 0x56
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RELEASE_10 SCSICommandType = 0x57
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MODE_SENSE_10 SCSICommandType = 0x5a
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CLOSE_TRACK SCSICommandType = 0x5b
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READ_BUFFER_CAP SCSICommandType = 0x5c
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PERSISTENT_RESERVE_IN SCSICommandType = 0x5e
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PERSISTENT_RESERVE_OUT SCSICommandType = 0x5f
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VARLEN_CDB SCSICommandType = 0x7f
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READ_16 SCSICommandType = 0x88
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COMPARE_AND_WRITE SCSICommandType = 0x89
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WRITE_16 SCSICommandType = 0x8a
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ORWRITE_16 SCSICommandType = 0x8b
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WRITE_VERIFY_16 SCSICommandType = 0x8e
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VERIFY_16 SCSICommandType = 0x8f
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PRE_FETCH_16 SCSICommandType = 0x90
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SYNCHRONIZE_CACHE_16 SCSICommandType = 0x91
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WRITE_SAME_16 SCSICommandType = 0x93
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SERVICE_ACTION_IN SCSICommandType = 0x9e
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SAI_READ_CAPACITY_16 SCSICommandType = 0x10
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SAI_GET_LBA_STATUS SCSICommandType = 0x12
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REPORT_LUNS SCSICommandType = 0xa0
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MAINT_PROTOCOL_IN SCSICommandType = 0xa3
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MOVE_MEDIUM SCSICommandType = 0xa5
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EXCHANGE_MEDIUM SCSICommandType = 0xa6
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READ_12 SCSICommandType = 0xa8
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WRITE_12 SCSICommandType = 0xaa
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GET_PERFORMACE SCSICommandType = 0xac
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READ_DVD_STRUCTURE SCSICommandType = 0xad
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WRITE_VERIFY_12 SCSICommandType = 0xae
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VERIFY_12 SCSICommandType = 0xaf
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SEARCH_HIGH_12 SCSICommandType = 0xb0
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SEARCH_EQUAL_12 SCSICommandType = 0xb1
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SEARCH_LOW_12 SCSICommandType = 0xb2
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READ_ELEMENT_STATUS SCSICommandType = 0xb8
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SEND_VOLUME_TAG SCSICommandType = 0xb6
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SET_STREAMING SCSICommandType = 0xb6
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SET_CD_SPEED SCSICommandType = 0xbb
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WRITE_LONG_2 SCSICommandType = 0xea
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)
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type SCSITargetState int
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var (
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TargetOnline SCSITargetState = 1
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TargetReady SCSITargetState = 2
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)
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type SCSIDataDirection int
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const (
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SCSIDataNone = iota
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SCSIDataWrite
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SCSIDataRead
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SCSIDataBidirection
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)
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type SCSIDataBuffer struct {
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Buffer *bytes.Buffer
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Length uint32
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TransferLength uint32
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Resid int32
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}
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type SCSICommand struct {
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Target *SCSITarget
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DeviceID uint64
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Device *SCSILu
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State uint64
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Direction SCSIDataDirection
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InSDBBuffer SCSIDataBuffer
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OutSDBBuffer SCSIDataBuffer
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// Command ITN ID
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CommandITNID uint64
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Offset uint64
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TL uint32
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SCB *bytes.Buffer
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SCBLength int
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Lun []uint8
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Attribute int
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Tag uint64
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Result byte
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SenseBuffer *bytes.Buffer
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SenseLength uint32
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ITNexus *ITNexus
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ITNexusLuInfo *ITNexusLuInfo
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}
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type ITNexus struct {
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ID uint64
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Ctime uint64
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Commands []SCSICommand
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Target *SCSITarget
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Host int
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Info string
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}
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type ITNexusLuInfo struct {
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Lu *SCSILu
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ID uint64
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Prevent int
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}
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type SCSITarget struct {
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Name string
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TID int
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LID int
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State SCSITargetState
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Devices []SCSILu
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ITNexus []ITNexus
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SCSITargetDriver interface{}
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}
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type SCSITargetDriverState int
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const (
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// just registered
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SCSI_DRIVER_REGD = iota
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// initialized ok
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SCSI_DRIVER_INIT
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// failed to initialize
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SCSI_DRIVER_ERR
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// exited
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SCSI_DRIVER_EXIT
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)
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type SCSITargetDriverCommon struct {
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Name string
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State SCSITargetDriverState
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DefaultBST string
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}
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type SCSILuPhyAttribute struct {
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SCSIID string
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SCSISN string
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NumID uint64
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VendorID string
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ProductID string
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ProductRev string
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VersionDesction []uint16
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// Peripheral device type
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DeviceType uint
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// Peripheral Qualifier
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Qualifier bool
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// Removable media
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Removable bool
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// Read Only media
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Readonly bool
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// Software Write Protect
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SWP bool
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// Use thin-provisioning for this LUN
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Thinprovisioning bool
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// Logical Unit online
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Online bool
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// Descrptor format sense data supported
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SenseFormat bool
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// Logical blocks per physical block exponent
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Lbppbe int
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// Do not update it automatically when the backing file changes
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NoLbppbe int
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// Lowest aligned LBA
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LowestAlignedLBA int
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}
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var (
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DefaultBlockShift int = 9
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DefaultSenseBufferSize int = 252
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)
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var (
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SAM_STAT_GOOD byte = 0x00
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SAM_STAT_CHECK_CONDITION byte = 0x02
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SAM_STAT_CONDITION_MET byte = 0x04
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SAM_STAT_BUSY byte = 0x08
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SAM_STAT_INTERMEDIATE byte = 0x10
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SAM_STAT_INTERMEDIATE_CONDITION_MET byte = 0x14
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SAM_STAT_RESERVATION_CONFLICT byte = 0x18
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SAM_STAT_COMMAND_TERMINATED byte = 0x22
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SAM_STAT_TASK_SET_FULL byte = 0x28
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SAM_STAT_ACA_ACTIVE byte = 0x30
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SAM_STAT_TASK_ABORTED byte = 0x40
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)
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type SAMStat struct {
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Stat byte
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Err error
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}
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var (
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SAMStatGood = SAMStat{SAM_STAT_GOOD, nil}
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SAMStatCheckCondition = SAMStat{SAM_STAT_CHECK_CONDITION, errors.New("check condition")}
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SAMStatConditionMet = SAMStat{SAM_STAT_CONDITION_MET, errors.New("condition met")}
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SAMStatBusy = SAMStat{SAM_STAT_BUSY, errors.New("busy")}
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SAMStatIntermediate = SAMStat{SAM_STAT_INTERMEDIATE, errors.New("intermediate")}
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SAMStatIntermediateConditionMet = SAMStat{SAM_STAT_INTERMEDIATE_CONDITION_MET, errors.New("intermediate condition met")}
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SAMStatReservationConflict = SAMStat{SAM_STAT_RESERVATION_CONFLICT, errors.New("reservation conflict")}
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SAMStatCommandTerminated = SAMStat{SAM_STAT_COMMAND_TERMINATED, errors.New("command terminated")}
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SAMStatTaskSetFull = SAMStat{SAM_STAT_TASK_SET_FULL, errors.New("task set full")}
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SAMStatAcaActive = SAMStat{SAM_STAT_ACA_ACTIVE, errors.New("aca active")}
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SAMStatTaskAborted = SAMStat{SAM_STAT_TASK_ABORTED, errors.New("task aborted")}
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)
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type SCSIDeviceType byte
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var (
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TYPE_DISK SCSIDeviceType = 0x00
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TYPE_TAPE SCSIDeviceType = 0x01
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TYPE_PRINTER SCSIDeviceType = 0x02
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TYPE_PROCESSOR SCSIDeviceType = 0x03
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TYPE_WORM SCSIDeviceType = 0x04
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TYPE_MMC SCSIDeviceType = 0x05
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TYPE_SCANNER SCSIDeviceType = 0x06
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TYPE_MOD SCSIDeviceType = 0x07
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TYPE_MEDIUM_CHANGER SCSIDeviceType = 0x08
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TYPE_COMM SCSIDeviceType = 0x09
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TYPE_RAID SCSIDeviceType = 0x0c
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TYPE_ENCLOSURE SCSIDeviceType = 0x0d
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TYPE_RBC SCSIDeviceType = 0x0e
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TYPE_OSD SCSIDeviceType = 0x11
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TYPE_NO_LUN SCSIDeviceType = 0x7f
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TYPE_PT SCSIDeviceType = 0xff
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)
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type SCSILu struct {
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FD int
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Address uint64
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Size uint64
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Lun uint64
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Path string
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BsoFlags int
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BlockShift uint
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ReserveID uint64
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Attrs SCSILuPhyAttribute
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}
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