Petaio Inc.

Yimin Chen

Fan Yang

A PCIe architecture is disclosed incorporating a controller memory buffer (CMB). Write data is written to the CMB and is not read out for processing upon receiving a write command for the write data. The data is read out of the CMB and processed to obtain processed data upon receiving feedback from a NAND channel controller. The processed data may be written directly to the NAND channel controller or may be written to a light write buffer that is read by the NAND channel controller. The processed data may be written to a light write buffer functioning as a cut through buffer.

High bandwidth controller memory buffer (CMB) for peer to peer data transfer

Read latency for a read operation to a host implementing a PRP/SGL buffer is reduced by generating an address table representing the linked-list structure defining the PRP/SGL buffer. The address table may be generated concurrently with reading of data referenced by the read command from a NAND storage device. A block table for tracking status of LBAs referenced by IO commands may include a reference to the address table which is used to transfer LBAs to host memory as soon as the address table is complete and a block of data referenced by an LBA has been read from the NAND storage device.

Growing community of inventors

San Diego, CA, United States of America

Yimin Chen