Invention Application
- Patent Title: METHOD AND SYSTEM FOR MANAGING HOST MEMORY BUFFER OF HOST USING NON-VOLATILE MEMORY EXPRESS (NVME) CONTROLLER IN SOLID STATE STORAGE DEVICE
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Application No.: US15489853Application Date: 2017-04-18
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Publication No.: US20180136875A1Publication Date: 2018-05-17
- Inventor: Venkataratnam NIMMAGADDA , Vulligadla AMARESH
- Applicant: Samsung Electronics Co., Ltd.
- Applicant Address: KR Suwon-si
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si
- Priority: IN201641038916 20161115
- Main IPC: G06F3/06
- IPC: G06F3/06 ; G06F13/16

Abstract:
A solid state storage device including a non-volatile memory Express (NVMe) controller and configured to manage a Host Memory Buffer (HMB) in a host may be provided. The NVMe controller may be configured to fetch HMB descriptor entries as part of a feature command from the host, partition the HMB logically into a control buffer partition and a data buffer partition, store the HMB descriptor entries pointing to the control buffer partition within the solid state storage device as an HMB pointer list table, and write-back the HMB descriptor entries pointing to the data buffer partition into the control buffer partition of HMB.
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