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12.21.9 NCQ Non-Data log (log page 12h)
See Section 10.16.4 for a description of the NCQ Non-Data feature
To determine the supported NCQ Non-Data subcommands and their respective features, host software reads log
address 12h. This log is supported if the NCQ Non-Data command is supported (i.e., IDENTIFY DEVICE Word 77 bit
5 is set to one). Table 147 defines the 512 bytes that make up the SATA NCQ Non-Data log. The value of the General
Purpose Logging Version word is 0001h.
Table 147 NCQ Non-Data Log (12h) data structure definition
Dword
Bits
Description
0
Subcommand 0h
31-5
Reserved
4
Supports Abort Selected TTAG
3
Supports Abort Non-Streaming
2
Supports Abort Streaming
1
Supports Abort All
0
Supports Abort NCQ
1
Subcommand 1h
31-3
Reserved
2
Supports Read Data Not Continue
1
Supports Write Data Not Continue
0
Supports DEADLINE HANDLING
2-4
31-0
Reserved
5
Subcommand 5h
31-1
Reserved
0
Supports Set Features
6-127
31-0
Reserved
12.21.9.1 Supports the Abort NCQ subcommand
If Supports the Abort NCQ subcommand is set to one, then the device supports the Abort NCQ Queue command
(See Section 12.15.1). If Supports the Abort NCQ subcommand is cleared to zero, then the device does not support
the Abort NCQ Queue command.
12.21.9.2 Supports Abort All
If Supports Abort All is set to one, then the device supports the value of Abort All for the Abort Type parameter of the
Abort NCQ Queue command. If Supports Abort All is cleared to zero, then the device does not support the value of
Abort All for the Abort Type parameter of the Abort NCQ Queue command.
12.21.9.3 Supports Abort Streaming
If Supports Abort Streaming is set to one, then the device supports the value of Abort Streaming for the Abort Type
parameter of the Abort NCQ Queue command. If Supports Abort Streaming is cleared to zero, then the device does
not support the value of Abort Streaming for the Abort Type parameter of the Abort NCQ Queue command.
12.21.9.4 Supports Abort Non-Streaming
If Supports Abort Non-Streaming is set to one, then the device supports the value of Abort Non-Streaming for the
Abort Type parameter of the Abort NCQ Queue command. If Supports Abort Non-Streaming is cleared to zero, then
the device does not support the value of Abort Non-Streaming for the Abort Type parameter of the Abort NCQ Queue
command.
12.21.9.5 Supports the Abort Selected TTAG
If Supports Abort Selected TTAG is set to one, then the device supports the value of Abort Selected for the Abort
Type parameter of the Abort NCQ Queue command. If Supports Abort Selected TTAG is cleared to zero, then the
device does not support the value of Abort Selected for the Abort Type parameter of the Abort NCQ Queue command.
214
Hard Disk Drive Specification