
258 The Essential Guide to Serial ATA and SATA Express
NCQ Queue Management Inputs
Register 76543210
Features 7:0 Subcommand Specifi c Subcommand
Features 15:8 Reserved
Count 7:0 TAG Reserved
Count 15:8 PRIO(1:0) Reserved
LBA Low (7:0) Subcommand Specifi c (TTAG) Reserved
LBA Low (31:24) Reserved
LBA Mid (15:8) Reserved
LBA Mid (39:32) Reserved
LBA High (23:16) Reserved
LBA High (47:40) Reserved
Device R 1 R 0 Reserved
Command 63h
Subcommand
0h Abort NCQ queue
1h Deadline handling
2h-Fh Reserved
4.4.1 ABORT NCQ QUEUE Subcommand (0h)
A Subcommand set to 0h specifies the ABORT NCQ QUEUE subcommand .
The ABORT NCQ QUEUE subcommand is an immediate NCQ comm ...