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run the basic process with iscsi driver

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This commit is contained in:
Lei Xue
2016-05-02 22:11:33 +08:00
parent d770eb33ac
commit c5d68b38b2
17 changed files with 948 additions and 633 deletions
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99
pkg/scsi/spc.go
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@@ -22,6 +22,7 @@ import (
"encoding/binary"
"fmt"
"github.com/gostor/gotgt/pkg/api"
"github.com/gostor/gotgt/pkg/util"
)
@@ -108,16 +109,16 @@ const (
DESG_SCSI
)
func SPCIllegalOp(host int, cmd *SCSICommand) SAMStat {
return SAMStatGood
func SPCIllegalOp(host int, cmd *api.SCSICommand) api.SAMStat {
return api.SAMStatGood
}
func SPCLuOffline(lu *SCSILu) error {
func SPCLuOffline(lu *api.SCSILu) error {
lu.Attrs.Online = true
return nil
}
func SPCLuOnline(lu *SCSILu) error {
func SPCLuOnline(lu *api.SCSILu) error {
if luPreventRemoval(lu) {
return fmt.Errorf("lu(%s) prevent removal", lu.Lun)
}
@@ -126,11 +127,11 @@ func SPCLuOnline(lu *SCSILu) error {
return nil
}
func SPCInquiry(host int, cmd *SCSICommand) SAMStat {
return SAMStatGood
func SPCInquiry(host int, cmd *api.SCSICommand) api.SAMStat {
return api.SAMStatGood
}
func SPCReportLuns(host int, cmd *SCSICommand) SAMStat {
func SPCReportLuns(host int, cmd *api.SCSICommand) api.SAMStat {
var (
remainLength uint32
actualLength uint32 = 8
@@ -171,26 +172,26 @@ func SPCReportLuns(host int, cmd *SCSICommand) SAMStat {
remainLength -= 8
}
}
return SAMStatGood
return api.SAMStatGood
sense:
cmd.InSDBBuffer.Resid = 0
BuildSenseData(cmd, ILLEGAL_REQUEST, ASC_INVALID_FIELD_IN_CDB)
return SAMStatCheckCondition
return api.SAMStatCheckCondition
}
func SPCStartStop(host int, cmd *SCSICommand) SAMStat {
func SPCStartStop(host int, cmd *api.SCSICommand) api.SAMStat {
var (
pwrcnd, loej, start byte
)
if err := deviceReserve(cmd); err != nil {
return SAMStatReservationConflict
return api.SAMStatReservationConflict
}
cmd.InSDBBuffer.Resid = 0
scb := cmd.SCB.Bytes()
pwrcnd = scb[4] & 0xf0
if pwrcnd != 0 {
return SAMStatGood
return api.SAMStatGood
}
loej = scb[4] & 0x02
@@ -205,7 +206,7 @@ func SPCStartStop(host int, cmd *SCSICommand) SAMStat {
// !online == media is not present
BuildSenseData(cmd, NOT_READY, ASC_MEDIUM_REMOVAL_PREVENTED)
}
return SAMStatCheckCondition
return api.SAMStatCheckCondition
}
SPCLuOffline(cmd.Device)
}
@@ -213,15 +214,15 @@ func SPCStartStop(host int, cmd *SCSICommand) SAMStat {
SPCLuOnline(cmd.Device)
}
return SAMStatGood
return api.SAMStatGood
}
func SPCTestUnit(host int, cmd *SCSICommand) SAMStat {
func SPCTestUnit(host int, cmd *api.SCSICommand) api.SAMStat {
if err := deviceReserve(cmd); err != nil {
return SAMStatReservationConflict
return api.SAMStatReservationConflict
}
if cmd.Device.Attrs.Online {
return SAMStatGood
return api.SAMStatGood
}
if cmd.Device.Attrs.Removable {
BuildSenseData(cmd, NOT_READY, ASC_MEDIUM_NOT_PRESENT)
@@ -229,46 +230,46 @@ func SPCTestUnit(host int, cmd *SCSICommand) SAMStat {
BuildSenseData(cmd, NOT_READY, ASC_BECOMING_READY)
}
return SAMStatCheckCondition
return api.SAMStatCheckCondition
}
func SPCPreventAllowMediaRemoval(host int, cmd *SCSICommand) SAMStat {
func SPCPreventAllowMediaRemoval(host int, cmd *api.SCSICommand) api.SAMStat {
if err := deviceReserve(cmd); err != nil {
return SAMStatReservationConflict
return api.SAMStatReservationConflict
}
// PREVENT_MASK = 0x03
cmd.ITNexusLuInfo.Prevent = int(cmd.SCB.Bytes()[4] & 0x03)
return SAMStatGood
return api.SAMStatGood
}
// SPCModeSense Implement SCSI op MODE SENSE(6) and MODE SENSE(10)
// Reference : SPC4r11
// 6.11 - MODE SENSE(6)
// 6.12 - MODE SENSE(10)
func SPCModeSense(host int, cmd *SCSICommand) SAMStat {
return SAMStatGood
func SPCModeSense(host int, cmd *api.SCSICommand) api.SAMStat {
return api.SAMStatGood
}
func SPCSendDiagnostics(host int, cmd *SCSICommand) SAMStat {
func SPCSendDiagnostics(host int, cmd *api.SCSICommand) api.SAMStat {
// we only support SELF-TEST==1
if cmd.SCB.Bytes()[1]&0x04 == 0 {
goto sense
}
return SAMStatGood
return api.SAMStatGood
sense:
cmd.InSDBBuffer.Resid = 0
BuildSenseData(cmd, ILLEGAL_REQUEST, ASC_INVALID_FIELD_IN_CDB)
return SAMStatCheckCondition
return api.SAMStatCheckCondition
}
// This is useful for the various commands using the SERVICE ACTION format.
func SPCServiceAction(host int, cmd *SCSICommand) SAMStat {
func SPCServiceAction(host int, cmd *api.SCSICommand) api.SAMStat {
// TODO
return SAMStatGood
return api.SAMStatGood
}
func SPCPRReadKeys(host int, cmd *SCSICommand) SAMStat {
func SPCPRReadKeys(host int, cmd *api.SCSICommand) api.SAMStat {
allocationLength := util.GetUnalignedUint32(cmd.SCB.Bytes()[7:9])
if allocationLength < 8 {
goto sense
@@ -280,14 +281,14 @@ func SPCPRReadKeys(host int, cmd *SCSICommand) SAMStat {
sense:
cmd.InSDBBuffer.Resid = 0
BuildSenseData(cmd, ILLEGAL_REQUEST, ASC_INVALID_FIELD_IN_CDB)
return SAMStatCheckCondition
return api.SAMStatCheckCondition
}
func SPCPRReadReservation(host int, cmd *SCSICommand) SAMStat {
return SAMStatGood
func SPCPRReadReservation(host int, cmd *api.SCSICommand) api.SAMStat {
return api.SAMStatGood
}
func SPCPRReportCapabilities(host int, cmd *SCSICommand) SAMStat {
func SPCPRReportCapabilities(host int, cmd *api.SCSICommand) api.SAMStat {
var (
buf []byte = make([]byte, 8)
availLength uint32 = 8
@@ -324,38 +325,38 @@ func SPCPRReportCapabilities(host int, cmd *SCSICommand) SAMStat {
actualLength = availLength
}
cmd.InSDBBuffer.Resid = int32(actualLength)
return SAMStatGood
return api.SAMStatGood
sense:
cmd.InSDBBuffer.Resid = 0
BuildSenseData(cmd, ILLEGAL_REQUEST, ASC_INVALID_FIELD_IN_CDB)
return SAMStatCheckCondition
return api.SAMStatCheckCondition
}
func SPCPRRegister(host int, cmd *SCSICommand) SAMStat {
return SAMStatGood
func SPCPRRegister(host int, cmd *api.SCSICommand) api.SAMStat {
return api.SAMStatGood
}
func SPCPRReserve(host int, cmd *SCSICommand) SAMStat {
return SAMStatGood
func SPCPRReserve(host int, cmd *api.SCSICommand) api.SAMStat {
return api.SAMStatGood
}
func SPCPRRelease(host int, cmd *SCSICommand) SAMStat {
return SAMStatGood
func SPCPRRelease(host int, cmd *api.SCSICommand) api.SAMStat {
return api.SAMStatGood
}
func SPCPRClear(host int, cmd *SCSICommand) SAMStat {
return SAMStatGood
func SPCPRClear(host int, cmd *api.SCSICommand) api.SAMStat {
return api.SAMStatGood
}
func SPCPRPreempt(host int, cmd *SCSICommand) SAMStat {
return SAMStatGood
func SPCPRPreempt(host int, cmd *api.SCSICommand) api.SAMStat {
return api.SAMStatGood
}
func SPCPRRegisterAndMove(host int, cmd *SCSICommand) SAMStat {
return SAMStatGood
func SPCPRRegisterAndMove(host int, cmd *api.SCSICommand) api.SAMStat {
return api.SAMStatGood
}
func SPCRequestSense(host int, cmd *SCSICommand) SAMStat {
func SPCRequestSense(host int, cmd *api.SCSICommand) api.SAMStat {
var (
allocationLength uint32
actualLength uint32
@@ -378,5 +379,5 @@ func SPCRequestSense(host int, cmd *SCSICommand) SAMStat {
cmd.SenseBuffer = &bytes.Buffer{}
cmd.SenseLength = 0
return SAMStatGood
return api.SAMStatGood
}