NVMe: Difference between revisions
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NVMe is a non-volatile memory(NVM) controller you access over [[PCI_Express]]. |
NVMe is a non-volatile memory(NVM) controller you access over [[PCI_Express]]. |
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NVMe has queues that are used to issue |
NVMe has queues that are used to issue Administration-Commands and NVM-Commands(storage related). |
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Commands generally complete in any order, and operate simultaneously. |
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The NVMe specification allows for up to, of 64K(65536) submission queues, completion queues, queue sizes, and simultaneous outstanding commands. |
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Real world hardware often has limitations that allow far less, but that needs to be queried from the controller. |
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== Submission Queue == |
== Submission Queue == |