Invention Grant
US09128699B2 Method and system for queuing transfers of multiple non-contiguous address ranges with a single command 有权
使用单个命令排队多个不连续地址范围的方法和系统

Method and system for queuing transfers of multiple non-contiguous address ranges with a single command
Abstract:
Methods and systems for queuing transfers of multiple non-contiguous address ranges within a single command are disclosed. Embodiments of systems include system processors, memory to store data and executable software, and storage devices to receive transfer commands stored in system memory. A host controller interface driver is executed by one or more system processors and collects multiple non-continuous address ranges from storage-device transfer requests and records starting addresses and quantities of data to transfer for each non-continuous range in a tagged command list. It records the number of address ranges in the tagged command list, and a tagged-transfer opcode in a command, and stores the command and the tagged command list in a command table for the storage device. It records a base address for the command table in memory and an offset for the tagged command list into a command header, which is stored in a command queue.
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