公开(公告)号：US12271605B2

公开(公告)日：2025-04-08

申请号：US17944613

申请日：2022-09-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ranhee Lee ,  Byungchul Ko

IPC: G06F21/79 ,  G06F3/06

Abstract: A storage device and an operation method of a storage device is provided. An operation method of a storage device includes: detecting an abnormal operation of a host memory buffer (HMB) positioned outside a storage device during data processing; and when the abnormal operation is detected, updating, by the storage device, a security policy applied when writing data to or reading data from the HMB.

公开(公告)号：US12299321B2

公开(公告)日：2025-05-13

申请号：US17958593

申请日：2022-10-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ranhee Lee ,  Byungchul Ko

IPC: G06F3/06

Abstract: Disclosed is an operation method of a storage device, which includes a plurality of data processing engines includes setting a first region among a plurality of regions of a host memory buffer allocated from an external host with a first data processing policy and setting a second region among the plurality of regions with a second data processing policy, performing an encoding operation on data to be stored in the first region, based on a first data processing engine corresponding to the first data processing policy, performing an encoding operation on data to be stored in the second region, based on a second data processing engine corresponding to the second data processing policy, and changing the first data processing policy of the first region to a third data processing policy based on a changed characteristic of the first region.