Western Digital Ultrastar DC HC310 - Table 43 NCQ NON-DATA Log (12 H) Data Structure Definition

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Western Digital Hard Disk Drive OEM Specification
9.17.4.3 READ LOG EXT Log Page 12h
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 43 defines the 512 bytes that make up the SATA NCQ NON-DATA log. The value of the
General Purpose Logging Version word is 0001h.
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
1
Supports Set Features(see 13.7.5.13)
6-127
31-0
Reserved
Table 43 NCQ NON-DATA Log (12h) data structure definition
9.17.4.3.1 Supports the Abort NCQ subcommand
If Supports the Abort NCQ subcommand is set to one, then the device supports the Abort NCQ Queue command
(11.15.1 Abort NCQ Queue Subcommand (0h)). If Supports the Abort NCQ subcommand is cleared to zero, then the
device does not support the Abort NCQ Queue command.
9.17.4.3.2 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.
9.17.4.3.3
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.
9.17.4.3.4 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.