US 12,443,344 B2
Submission queue entry age tracking
Vasili Viktorovich Zhdankin, Prior Lake, MN (US); Kiran Kumar Muralidharan, Karnataka (IN); Vipin Kumar Agrawal, San Jose, CA (US); Sumanth Jannyavula Venkata, Pleasanton, CA (US); and Chun-Chu Chen-Jhy Archie Wu, San Carlos, CA (US)
Assigned to SAMSUNG ELECTRONICS CO., LTD., (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Oct. 24, 2022, as Appl. No. 17/972,574.
Claims priority of provisional application 63/399,578, filed on Aug. 19, 2022.
Prior Publication US 2024/0061580 A1, Feb. 22, 2024
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/061 (2013.01) [G06F 3/0644 (2013.01); G06F 3/0683 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A storage device, comprising:
a first storage for a data;
an interface to access a command from a host, the command applicable to the data;
a submission queue descriptor;
a controller to execute the command; and
a second storage for an entry, the entry including a first data field for a timestamp and a second data field for an indication of a location of the command,
wherein the controller is configured to copy the timestamp and a reference from the entry to the submission queue descriptor and to return the entry to a pool of entries based at least in part on the controller executing the command.