519 lines
17 KiB
Go
519 lines
17 KiB
Go
/*
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Copyright 2015 The GoStor Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// SCSI block command processing
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package scsi
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import (
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"bytes"
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"encoding/binary"
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"fmt"
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"github.com/golang/glog"
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"github.com/gostor/gotgt/pkg/api"
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"github.com/gostor/gotgt/pkg/util"
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)
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const (
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PR_SPECIAL = (1 << 5)
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PR_WE_FA = (1 << 4)
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PR_EA_FA = (1 << 3)
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PR_RR_FR = (1 << 2)
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PR_WE_FN = (1 << 1)
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PR_EA_FN = (1 << 0)
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)
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type SBCSCSIDeviceProtocol struct {
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BaseSCSIDeviceProtocol
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}
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func (sbc SBCSCSIDeviceProtocol) PerformCommand(opcode int) interface{} {
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return sbc.SCSIDeviceOps[opcode]
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}
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func (sbc SBCSCSIDeviceProtocol) InitLu(lu *api.SCSILu) error {
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// init LU's phy attribute
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lu.Attrs.DeviceType = api.TYPE_DISK
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lu.Attrs.Qualifier = false
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lu.Attrs.Thinprovisioning = false
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lu.Attrs.Removable = false
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lu.Attrs.Readonly = false
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lu.Attrs.SWP = false
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lu.Attrs.SenseFormat = false
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lu.Attrs.VendorID = "GOSTOR"
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/*
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lu.Attrs.SCSIID = fmt.Sprintf("GOSTOR %x%d", tgt.TID, lu.Lun)
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lu.Attrs.SCSISN = fmt.Sprintf("beaf%d%d", tgt.TID, lu.Lun)
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*/
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lu.Attrs.SCSIID = fmt.Sprintf("GOSTOR%d", lu.Lun)
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lu.Attrs.SCSISN = fmt.Sprintf("beaf%d", lu.Lun)
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lu.Attrs.ProductID = "VIRTUAL-DISK"
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lu.Attrs.VersionDesction = []uint16{
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0x04C0, // SBC-3 no version claimed
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0x0960, // iSCSI
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0x0300, // SPC-3
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}
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if lu.BlockShift == 0 {
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lu.BlockShift = api.DefaultBlockShift
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}
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pages := []api.ModePage{}
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// Vendor uniq - However most apps seem to call for mode page 0
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pages = append(pages, api.ModePage{0, 0, []byte{}})
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// Disconnect page
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pages = append(pages, api.ModePage{2, 0, []byte{0x80, 0x80, 0, 0xa, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}})
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// Caching Page
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pages = append(pages, api.ModePage{8, 0, []byte{0x14, 0, 0xff, 0xff, 0, 0, 0xff, 0xff, 0xff, 0xff, 0x80, 0x14, 0, 0, 0, 0, 0, 0}})
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// Control page
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pages = append(pages, api.ModePage{0x0a, 0, []byte{2, 0x10, 0, 0, 0, 0, 0, 0, 2, 0}})
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// Control Extensions mode page: TCMOS:1
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pages = append(pages, api.ModePage{0x0a, 1, []byte{0x04, 0x00, 0x00}})
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// Informational Exceptions Control page
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pages = append(pages, api.ModePage{0x1c, 0, []byte{8, 0, 0, 0, 0, 0, 0, 0, 0, 0}})
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lu.ModePages = pages
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return nil
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}
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func (sbc SBCSCSIDeviceProtocol) ConfigLu(lu *api.SCSILu) error {
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return nil
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}
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func (sbc SBCSCSIDeviceProtocol) OnlineLu(lu *api.SCSILu) error {
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return nil
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}
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func (sbc SBCSCSIDeviceProtocol) OfflineLu(lu *api.SCSILu) error {
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return nil
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}
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func (sbc SBCSCSIDeviceProtocol) ExitLu(lu *api.SCSILu) error {
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return nil
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}
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func NewSBCDevice() api.SCSIDeviceProtocol {
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var sbc = SBCSCSIDeviceProtocol{
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BaseSCSIDeviceProtocol{
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Type: api.TYPE_DISK,
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SCSIDeviceOps: []SCSIDeviceOperation{},
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},
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}
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for i := 0; i < 256; i++ {
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sbc.SCSIDeviceOps = append(sbc.SCSIDeviceOps, NewSCSIDeviceOperation(SPCIllegalOp, nil, 0))
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}
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sbc.SCSIDeviceOps[api.TEST_UNIT_READY] = NewSCSIDeviceOperation(SPCTestUnit, nil, 0)
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sbc.SCSIDeviceOps[api.REQUEST_SENSE] = NewSCSIDeviceOperation(SPCRequestSense, nil, 0)
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sbc.SCSIDeviceOps[api.FORMAT_UNIT] = NewSCSIDeviceOperation(SBCFormatUnit, nil, 0)
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sbc.SCSIDeviceOps[api.READ_6] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN)
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sbc.SCSIDeviceOps[api.WRITE_6] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN|PR_WE_FA|PR_WE_FN)
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sbc.SCSIDeviceOps[api.INQUIRY] = NewSCSIDeviceOperation(SPCInquiry, nil, 0)
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sbc.SCSIDeviceOps[api.MODE_SELECT] = NewSCSIDeviceOperation(SBCModeSelect, nil, PR_WE_FA|PR_EA_FA|PR_WE_FN|PR_EA_FN)
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sbc.SCSIDeviceOps[api.RESERVE] = NewSCSIDeviceOperation(SBCReserve, nil, 0)
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sbc.SCSIDeviceOps[api.RELEASE] = NewSCSIDeviceOperation(SBCRelease, nil, 0)
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sbc.SCSIDeviceOps[api.MODE_SENSE] = NewSCSIDeviceOperation(SBCModeSense, nil, PR_WE_FA|PR_EA_FA|PR_EA_FN|PR_WE_FN)
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sbc.SCSIDeviceOps[api.START_STOP] = NewSCSIDeviceOperation(SPCStartStop, nil, PR_SPECIAL)
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sbc.SCSIDeviceOps[api.SEND_DIAGNOSTIC] = NewSCSIDeviceOperation(SPCSendDiagnostics, nil, 0)
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sbc.SCSIDeviceOps[api.ALLOW_MEDIUM_REMOVAL] = NewSCSIDeviceOperation(SPCPreventAllowMediaRemoval, nil, 0)
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sbc.SCSIDeviceOps[api.READ_CAPACITY] = NewSCSIDeviceOperation(SBCReadCapacity, nil, 0)
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sbc.SCSIDeviceOps[api.READ_10] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN)
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sbc.SCSIDeviceOps[api.WRITE_10] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_WE_FA|PR_EA_FA|PR_EA_FN|PR_WE_FN)
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sbc.SCSIDeviceOps[api.WRITE_VERIFY] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN)
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sbc.SCSIDeviceOps[api.VERIFY_10] = NewSCSIDeviceOperation(SBCVerify, nil, PR_EA_FA|PR_EA_FN)
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sbc.SCSIDeviceOps[api.PRE_FETCH_10] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN)
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sbc.SCSIDeviceOps[api.SYNCHRONIZE_CACHE] = NewSCSIDeviceOperation(SBCSyncCache, nil, PR_WE_FA|PR_EA_FA|PR_WE_FN|PR_EA_FN)
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sbc.SCSIDeviceOps[api.WRITE_SAME] = NewSCSIDeviceOperation(SBCReadWrite, nil, 0)
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sbc.SCSIDeviceOps[api.UNMAP] = NewSCSIDeviceOperation(SBCUnmap, nil, 0)
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sbc.SCSIDeviceOps[api.MODE_SELECT_10] = NewSCSIDeviceOperation(SBCModeSelect, nil, PR_WE_FA|PR_EA_FA|PR_EA_FN|PR_WE_FN)
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sbc.SCSIDeviceOps[api.MODE_SENSE_10] = NewSCSIDeviceOperation(SBCModeSense, nil, PR_WE_FA|PR_WE_FN|PR_EA_FA|PR_EA_FN)
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sbc.SCSIDeviceOps[api.PERSISTENT_RESERVE_IN] = NewSCSIDeviceOperation(SPCServiceAction, nil, 0)
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sbc.SCSIDeviceOps[api.PERSISTENT_RESERVE_OUT] = NewSCSIDeviceOperation(SPCServiceAction, nil, 0)
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sbc.SCSIDeviceOps[api.READ_16] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN)
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sbc.SCSIDeviceOps[api.WRITE_16] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN|PR_WE_FA|PR_WE_FN)
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sbc.SCSIDeviceOps[api.ORWRITE_16] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN)
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sbc.SCSIDeviceOps[api.WRITE_VERIFY_16] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN)
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sbc.SCSIDeviceOps[api.VERIFY_16] = NewSCSIDeviceOperation(SBCVerify, nil, PR_EA_FA|PR_EA_FN)
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sbc.SCSIDeviceOps[api.PRE_FETCH_16] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN)
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sbc.SCSIDeviceOps[api.SYNCHRONIZE_CACHE_16] = NewSCSIDeviceOperation(SBCSyncCache, nil, PR_EA_FA|PR_EA_FN|PR_WE_FA|PR_WE_FN)
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sbc.SCSIDeviceOps[api.WRITE_SAME_16] = NewSCSIDeviceOperation(SBCReadWrite, nil, 0)
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sbc.SCSIDeviceOps[api.SERVICE_ACTION_IN] = NewSCSIDeviceOperation(SBCServiceAction, nil, 0)
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sbc.SCSIDeviceOps[api.REPORT_LUNS] = NewSCSIDeviceOperation(SPCReportLuns, nil, 0)
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sbc.SCSIDeviceOps[api.MAINT_PROTOCOL_IN] = NewSCSIDeviceOperation(SPCServiceAction, nil, 0)
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sbc.SCSIDeviceOps[api.EXCHANGE_MEDIUM] = NewSCSIDeviceOperation(SPCServiceAction, nil, 0)
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sbc.SCSIDeviceOps[api.READ_12] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN)
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sbc.SCSIDeviceOps[api.WRITE_12] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_WE_FA|PR_EA_FA|PR_WE_FA|PR_WE_FN)
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sbc.SCSIDeviceOps[api.WRITE_VERIFY_12] = NewSCSIDeviceOperation(SBCReadWrite, nil, PR_EA_FA|PR_EA_FN)
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sbc.SCSIDeviceOps[api.VERIFY_12] = NewSCSIDeviceOperation(SBCVerify, nil, PR_EA_FA|PR_EA_FN)
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return sbc
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}
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func SBCModeSelect(host int, cmd *api.SCSICommand) api.SAMStat {
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return api.SAMStatGood
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}
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func SBCModeSense(host int, cmd *api.SCSICommand) api.SAMStat {
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// DPOFUA = 0x10
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var deviceSpecific uint8 = 0x10
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if err := SPCModeSense(host, cmd); err.Err != nil {
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return err
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}
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// If this is a read-only lun, we must set the write protect bit
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if cmd.Device.Attrs.Readonly || cmd.Device.Attrs.SWP {
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deviceSpecific |= 0x80
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}
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buf := cmd.InSDBBuffer.Buffer
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data := []byte{0x00, 0x00, 0x00, 0x00}
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if buf != nil {
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data = buf.Bytes()
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}
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if cmd.SCB.Bytes()[0] == 0x1a {
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data[2] = deviceSpecific
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} else {
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data[3] = deviceSpecific
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}
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cmd.InSDBBuffer.Buffer = bytes.NewBuffer(data)
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return api.SAMStatGood
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}
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// The FORMAT UNIT command requests that the device server format the medium into application client
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// accessible logical blocks as specified in the number of blocks and block length values received
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// in the last mode parameter block descriptor in a MODE SELECT command (see SPC-3). In addition,
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// the device server may certify the medium and create control structures for the management of the medium and defects.
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// The degree that the medium is altered by this command is vendor-specific.
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func SBCFormatUnit(host int, cmd *api.SCSICommand) api.SAMStat {
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var (
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key = ILLEGAL_REQUEST
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asc = ASC_INVALID_FIELD_IN_CDB
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)
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if err := deviceReserve(cmd); err != nil {
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return api.SAMStatReservationConflict
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}
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if !cmd.Device.Attrs.Online {
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key = NOT_READY
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asc = ASC_MEDIUM_NOT_PRESENT
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goto sense
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}
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if cmd.Device.Attrs.Readonly || cmd.Device.Attrs.SWP {
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key = DATA_PROTECT
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asc = ASC_WRITE_PROTECT
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goto sense
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}
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if cmd.SCB.Bytes()[1]&0x80 != 0 {
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// we dont support format protection information
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goto sense
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}
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if cmd.SCB.Bytes()[1]&0x10 != 0 {
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// we dont support format data
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goto sense
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}
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if cmd.SCB.Bytes()[1]&0x07 != 0 {
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// defect list format must be 0
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goto sense
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}
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return api.SAMStatGood
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sense:
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BuildSenseData(cmd, key, asc)
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return api.SAMStatCheckCondition
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}
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func SBCUnmap(host int, cmd *api.SCSICommand) api.SAMStat {
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return api.SAMStatGood
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}
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func SBCReadWrite(host int, cmd *api.SCSICommand) api.SAMStat {
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var (
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key = ILLEGAL_REQUEST
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asc = ASC_INVALID_FIELD_IN_CDB
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dev = cmd.Device
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scb = cmd.SCB.Bytes()
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opcode = api.SCSICommandType(scb[0])
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lba uint64
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tl uint32
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err error
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)
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if dev.Attrs.Removable && !dev.Attrs.Online {
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key = NOT_READY
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asc = ASC_MEDIUM_NOT_PRESENT
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glog.Warningf("sense")
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goto sense
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}
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switch opcode {
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case api.READ_10, api.READ_12, api.READ_16, api.WRITE_10, api.WRITE_12, api.WRITE_16, api.ORWRITE_16,
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api.WRITE_VERIFY, api.WRITE_VERIFY_12, api.WRITE_VERIFY_16, api.COMPARE_AND_WRITE:
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// We only support protection information type 0
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/*
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if scb[1]&0xe0 != 0 {
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key = ILLEGAL_REQUEST
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asc = ASC_INVALID_FIELD_IN_CDB
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glog.Warningf("sense")
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goto sense
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}
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*/
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if cmd.OutSDBBuffer.Buffer == nil {
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cmd.OutSDBBuffer.Buffer = &bytes.Buffer{}
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}
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case api.WRITE_SAME, api.WRITE_SAME_16:
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// We dont support resource-provisioning so ANCHOR bit == 1 is an error.
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if scb[1]&0x10 != 0 {
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key = ILLEGAL_REQUEST
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asc = ASC_INVALID_FIELD_IN_CDB
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goto sense
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}
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// We only support unmap for thin provisioned LUNS
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if (scb[1]&0x08 != 0) && !dev.Attrs.Thinprovisioning {
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key = ILLEGAL_REQUEST
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asc = ASC_INVALID_FIELD_IN_CDB
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goto sense
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}
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// We only support protection information type 0
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if scb[1]&0xe0 != 0 {
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key = ILLEGAL_REQUEST
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asc = ASC_INVALID_FIELD_IN_CDB
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goto sense
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}
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// LBDATA and PBDATA can not both be set
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if (scb[1] & 0x06) == 0x06 {
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key = ILLEGAL_REQUEST
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asc = ASC_INVALID_FIELD_IN_CDB
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goto sense
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}
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}
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if dev.Attrs.Readonly || dev.Attrs.SWP {
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switch opcode {
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case api.WRITE_6, api.WRITE_10, api.WRITE_12, api.WRITE_16, api.ORWRITE_16,
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api.WRITE_VERIFY, api.WRITE_VERIFY_12, api.WRITE_VERIFY_16, api.WRITE_SAME, api.WRITE_SAME_16,
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api.PRE_FETCH_10, api.PRE_FETCH_16, api.COMPARE_AND_WRITE:
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key = DATA_PROTECT
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asc = ASC_WRITE_PROTECT
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glog.Warningf("sense")
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goto sense
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}
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}
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lba = getSCSIReadWriteOffset(scb)
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tl = getSCSIReadWriteCount(scb)
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// Verify that we are not doing i/o beyond the end-of-lun
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if tl != 0 {
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if lba+uint64(tl) < lba || lba+uint64(tl) > dev.Size>>dev.BlockShift {
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key = ILLEGAL_REQUEST
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asc = ASC_LBA_OUT_OF_RANGE
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glog.Warningf("sense: lba: %d, tl: %d, size: %d", lba, tl, dev.Size>>dev.BlockShift)
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goto sense
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}
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} else {
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if lba >= dev.Size>>dev.BlockShift {
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key = ILLEGAL_REQUEST
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asc = ASC_LBA_OUT_OF_RANGE
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glog.Warningf("sense")
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goto sense
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}
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}
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cmd.Offset = lba << dev.BlockShift
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cmd.TL = tl << dev.BlockShift
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// Handle residuals
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switch opcode {
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case api.READ_6, api.READ_10, api.READ_12, api.READ_16:
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/*
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if (cmd->tl != scsi_get_in_length(cmd))
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scsi_set_in_resid_by_actual(cmd, cmd->tl);
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*/
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case api.WRITE_6, api.WRITE_10, api.WRITE_12, api.WRITE_16, api.WRITE_VERIFY, api.WRITE_VERIFY_12, api.WRITE_VERIFY_16:
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/*
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if (cmd->tl != scsi_get_out_length(cmd)) {
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scsi_set_out_resid_by_actual(cmd, cmd->tl);
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/* We need to clamp the size of the in-buffer
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* so that we dont try to write > cmd->tl in the
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* backend store.
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*
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if (cmd->tl < scsi_get_out_length(cmd)) {
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scsi_set_out_length(cmd, cmd->tl);
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}
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}
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*/
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}
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err = dev.Storage.CommandSubmit(cmd)
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if err != nil {
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glog.Error(err)
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key = HARDWARE_ERROR
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asc = ASC_INTERNAL_TGT_FAILURE
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} else {
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return api.SAMStatGood
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}
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sense:
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BuildSenseData(cmd, key, asc)
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return api.SAMStatCheckCondition
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}
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func SBCReserve(host int, cmd *api.SCSICommand) api.SAMStat {
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if err := deviceReserve(cmd); err != nil {
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return api.SAMStatReservationConflict
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}
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return api.SAMStatGood
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}
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func SBCRelease(host int, cmd *api.SCSICommand) api.SAMStat {
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if err := deviceRelease(cmd.Target.TID, cmd.CommandITNID, cmd.Device.Lun, false); err != nil {
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return api.SAMStatReservationConflict
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}
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return api.SAMStatGood
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}
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// The READ CAPACITY (10) command requests that the device server transfer 8 bytes of parameter data
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// describing the capacity and medium format of the direct-access block device to the data-in buffer.
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// This command may be processed as if it has a HEAD OF QUEUE task attribute. If the logical unit supports
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// protection information, the application client should use the READ CAPACITY (16) command instead of
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// the READ CAPACITY (10) command.
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func SBCReadCapacity(host int, cmd *api.SCSICommand) api.SAMStat {
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var (
|
|
scb = cmd.SCB.Bytes()
|
|
key = ILLEGAL_REQUEST
|
|
asc = ASC_LUN_NOT_SUPPORTED
|
|
data = &bytes.Buffer{}
|
|
bshift = cmd.Device.BlockShift
|
|
size = cmd.Device.Size >> bshift
|
|
)
|
|
|
|
if cmd.Device.Attrs.Removable && !cmd.Device.Attrs.Online {
|
|
key = NOT_READY
|
|
asc = ASC_MEDIUM_NOT_PRESENT
|
|
goto sense
|
|
}
|
|
|
|
if (scb[8]&0x1 == 0) && (scb[2]|scb[3]|scb[4]|scb[5]) != 0 {
|
|
asc = ASC_INVALID_FIELD_IN_CDB
|
|
goto sense
|
|
}
|
|
|
|
/*
|
|
if cmd.InSDBBuffer.Length < 8 {
|
|
goto overflow
|
|
}
|
|
*/
|
|
|
|
// data[0] = (size >> 32) ? __cpu_to_be32(0xffffffff) : __cpu_to_be32(size - 1);
|
|
if size>>32 != 0 {
|
|
binary.Write(data, binary.BigEndian, uint32(0xffffffff))
|
|
} else {
|
|
binary.Write(data, binary.BigEndian, uint32(size-1))
|
|
}
|
|
|
|
// data[1] = __cpu_to_be32(1U << bshift);
|
|
binary.Write(data, binary.BigEndian, uint32(1<<bshift))
|
|
//overflow:
|
|
cmd.InSDBBuffer.Resid = 8
|
|
cmd.InSDBBuffer.Buffer = data
|
|
return api.SAMStatGood
|
|
sense:
|
|
cmd.InSDBBuffer.Resid = 0
|
|
BuildSenseData(cmd, key, asc)
|
|
return api.SAMStatCheckCondition
|
|
}
|
|
|
|
// The VERIFY (10) command requests that the device server verify the specified logical block(s) on the medium.
|
|
func SBCVerify(host int, cmd *api.SCSICommand) api.SAMStat {
|
|
var (
|
|
key = ILLEGAL_REQUEST
|
|
asc = ASC_INVALID_FIELD_IN_CDB
|
|
)
|
|
if cmd.Device.Attrs.Removable && !cmd.Device.Attrs.Online {
|
|
key = NOT_READY
|
|
asc = ASC_MEDIUM_NOT_PRESENT
|
|
goto sense
|
|
}
|
|
|
|
if cmd.SCB.Bytes()[1]&0xe0 != 0 {
|
|
// We only support protection information type 0
|
|
key = ILLEGAL_REQUEST
|
|
asc = ASC_INVALID_FIELD_IN_CDB
|
|
goto sense
|
|
}
|
|
|
|
if cmd.SCB.Bytes()[1]&0x02 == 0 {
|
|
// no data compare with the media
|
|
return api.SAMStatGood
|
|
}
|
|
// TODO
|
|
sense:
|
|
cmd.InSDBBuffer.Resid = 0
|
|
BuildSenseData(cmd, key, asc)
|
|
return api.SAMStatCheckCondition
|
|
}
|
|
|
|
func SBCReadCapacity16(host int, cmd *api.SCSICommand) api.SAMStat {
|
|
var (
|
|
data = &bytes.Buffer{}
|
|
bshift = cmd.Device.BlockShift
|
|
size = cmd.Device.Size >> bshift
|
|
)
|
|
data.Write(util.MarshalUint64(uint64(size - 1)))
|
|
binary.Write(data, binary.BigEndian, uint32(1<<bshift))
|
|
val := (cmd.Device.Attrs.Lbppbe << 16) | cmd.Device.Attrs.LowestAlignedLBA
|
|
data.Write(util.MarshalUint32(uint32(val)))
|
|
binary.Write(data, binary.BigEndian, uint64(0))
|
|
binary.Write(data, binary.BigEndian, uint64(0))
|
|
cmd.InSDBBuffer.Buffer = data
|
|
return api.SAMStatGood
|
|
}
|
|
|
|
func SBCGetLbaStatus(host int, cmd *api.SCSICommand) api.SAMStat {
|
|
return api.SAMStatGood
|
|
}
|
|
|
|
func SBCServiceAction(host int, cmd *api.SCSICommand) api.SAMStat {
|
|
opcode := api.SCSICommandType(cmd.SCB.Bytes()[1] & 0x1f)
|
|
switch opcode {
|
|
case api.READ_CAPACITY:
|
|
return SBCReadCapacity(host, cmd)
|
|
case api.SAI_READ_CAPACITY_16:
|
|
return SBCReadCapacity16(host, cmd)
|
|
}
|
|
return api.SAMStatGood
|
|
}
|
|
|
|
// The SYNCHRONIZE CACHE (10) command requests that the device server ensure that
|
|
// the specified logical blocks have their most recent data values recorded in
|
|
// non-volatile cache and/or on the medium, based on the SYNC_NV bit.
|
|
func SBCSyncCache(host int, cmd *api.SCSICommand) api.SAMStat {
|
|
return api.SAMStatGood
|
|
}
|