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add Logical Block Provisioning VPD page (0xB2)

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This commit is contained in:
chessman
2019-05-30 17:41:10 +03:00
parent 12b06c21ef
commit c2184d789f
1 changed files with 41 additions and 2 deletions
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43
pkg/scsi/spc.go
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@@ -59,11 +59,10 @@ func InquiryPage0x00(host int, cmd *api.SCSICommand) (*bytes.Buffer, uint16) {
descBuf.WriteByte(0x80)
descBuf.WriteByte(0x83)
descBuf.WriteByte(0xB0)
descBuf.WriteByte(0xB2)
/*
TODO:
descBuf.WriteByte(0x86)
descBuf.WriteByte(0xB0)
descBuf.WriteByte(0xB2)
*/
data = descBuf.Bytes()
@@ -225,6 +224,44 @@ func InquiryPage0xB0(host int, cmd *api.SCSICommand) (*bytes.Buffer, uint16) {
return buf, pageLength
}
func InquiryPage0xB2(host int, cmd *api.SCSICommand) (*bytes.Buffer, uint16) {
var (
buf = &bytes.Buffer{}
pageLength uint16 = 0x4
)
//byte 0
if cmd.Device.Attrs.Online {
buf.WriteByte(PQ_DEVICE_CONNECTED | byte(cmd.Device.Attrs.DeviceType))
} else {
buf.WriteByte(PQ_DEVICE_NOT_CONNECT | byte(cmd.Device.Attrs.DeviceType))
}
//PAGE CODE
buf.WriteByte(0xB2)
//PAGE LENGTH
binary.Write(buf, binary.BigEndian, pageLength)
var lbpu byte
if cmd.Device.Attrs.Thinprovisioning {
lbpu = 1 << 7
}
// THRESHOLD EXPONENT
buf.WriteByte(0)
// LBPU | LBPWS | LBPWS10 | LBPRZ | ANC_SUP | DP
buf.WriteByte(lbpu)
// MINIMUM PERCENTAGE | PROVISIONING TYPE
buf.WriteByte(0)
// THRESHOLD PERCENTAGE
buf.WriteByte(0)
return buf, pageLength
}
/*
* SPCInquiry Implements SCSI INQUIRY command
* The INQUIRY command requests the device server to return information regarding the logical unit and SCSI target device.
@@ -270,6 +307,8 @@ func SPCInquiry(host int, cmd *api.SCSICommand) api.SAMStat {
buf, _ = InquiryPage0x83(host, cmd)
case 0xB0:
buf, _ = InquiryPage0xB0(host, cmd)
case 0xB2:
buf, _ = InquiryPage0xB2(host, cmd)
default:
goto sense
}