Patent ID: 11914879
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 16:
17. A host device comprising:
a host memory storing first tenant data;
a host security manager configured to set a first device security zone in the host memory to allow a first tenant to access the first tenant data; and
a host controller configured to control access of the first tenant to the host memory,
wherein the host security manager is further configured to send access information to a storage device, the access information includes
a first host memory address in which the first tenant data is stored in the host memory,
a first namespace identifier for identifying the first tenant data stored in a non-volatile memory included in the storage device, and
a first logic block address corresponding to the first namespace identifier, and

the host controller is further configured to receive an access acknowledgement from the storage device in response to sending an access request corresponding to the access information to the storage device.