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iSCSI/SCSI multi port/ALUA support

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fix ALUA flag issue
fix NNA flag issue
fix fixed format sense data builder issue
This commit is contained in:
Le Zhang
2016-10-14 16:46:34 +08:00
parent b9b9508817
commit 547faf684d
17 changed files with 333 additions and 107 deletions
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12
pkg/scsi/scsi.go
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@@ -124,6 +124,7 @@ func NewSCSIDeviceOperation(fn api.CommandFunc, sa *SCSIServiceAction, pr uint8)
func BuildSenseData(cmd *api.SCSICommand, key byte, asc SCSISubError) {
senseBuffer := &bytes.Buffer{}
inBufLen, ok := SCSICDBBufXLength(cmd.SCB.Bytes())
if cmd.Device.Attrs.SenseFormat {
// descriptor format
@@ -149,8 +150,19 @@ func BuildSenseData(cmd *api.SCSICommand, key byte, asc SCSISubError) {
}
senseBuffer.WriteByte((byte(asc) >> 8) & 0xff)
senseBuffer.WriteByte(byte(asc) & 0xff)
senseBuffer.WriteByte(0x00)
senseBuffer.WriteByte(0x00)
senseBuffer.WriteByte(0x00)
senseBuffer.WriteByte(0x00)
cmd.SenseLength = length + 8
}
if ok {
if int64(len(senseBuffer.Bytes())) > inBufLen {
senseBuffer.Truncate(int(inBufLen))
}
} else {
glog.V(2).Infof("cannot calc cbd alloc length. truncate failed")
}
cmd.Result = key
cmd.SenseBuffer = senseBuffer
}