JP2019509554A - ソリッドステート装置のための多重アドレスレジスタ用の装置および方法 - Google Patents
ソリッドステート装置のための多重アドレスレジスタ用の装置および方法 Download PDFInfo
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Abstract
【選択図】図1
Description
本開示は、ソリッドステート装置(SSD)のための多重アドレスレジスタに関する装置および方法を含む。例示的な装置は、各々が同じメモリリソース中のデータ格納用の同じアドレスを含む、複数のベースアドレスレジスタ(BAR)を含むコントローラ、および同じメモリリソースを含むSSDを含む。
Claims (25)
- 各々が同じメモリリソース中のデータ格納用の同じアドレスを含む、複数のベースアドレスレジスタ(BAR)を含むコントローラと、
前記同じメモリリソースを含むソリッドステート装置(SSD)
を含む装置。 - 前記コントローラは、複数のタイプの動作のうちのいずれの1つが要求されたかの判定によって、前記複数のBARの1つに動作を割り当てるように構成される
請求項1に記載の装置。 - 書き込み動作の性能のために選択された第1のキャッシュ属性を有する第1のBARに書き込み動作が割り当てられ、
読み出し動作の性能のために選択された第2のキャッシュ属性を有する第2のBARに読み出し動作が割り当てられる
請求項1に記載の装置。 - 前記複数のBARの各々は異なるキャッシュ属性を含み、
個々のBARの前記異なるキャッシュ属性は要求された動作のタイプに対応する
請求項1に記載の装置。 - 前記SSDは不揮発性メモリリソースとしてNANDフラッシュメモリを含む
請求項1に記載の装置。 - 前記SSDは揮発性メモリリソースとしてダイナミックランダムアクセスメモリ(DRAM)をさらに含む
請求項5に記載の装置。 - 前記SSDは不揮発性メモリリソースとして3Dクロスポイントメモリを含む
請求項1に記載の装置。 - 前記コントローラは、前記SSDに配置された複数のBARを含む
請求項1〜7のいずれか1項に記載の装置。 - ソリッドステート装置(SSD)ドライバと、
各々が同じメモリリソース中のデータ格納用の同じアドレスを含む、複数のベースアドレスレジスタ(BAR)を含むコントローラ
を含み、
前記コントローラは前記SSDドライバに選択的に結合される
装置。 - 前記SSDドライバは
動作の実行のための要求を受信し、
前記要求された動作は読み出し動作タイプと書き込み動作タイプのいずれであるかを判定し、
前記判定された動作タイプでの使用に適するようなBARを前記複数のBARから選択し、
前記判定された動作タイプの実行の際に前記選択されたBARによって使用されるキャッシュ属性を有効にする
ように構成される請求項9に記載の装置。 - 有効にされたキャッシュ属性が選択されたBARに割り当てられ、
前記有効にされたキャッシュ属性は選択されていないBARに割り当てられたキャッシュ属性とは異なる
請求項9〜10のいずれか1項に記載の装置。 - 前記装置は、1次メモリリソースを含むホストコンピューティング装置をさらに含む
請求項9〜10のいずれか1項に記載の装置。 - 前記複数のBARは、同じ2次メモリリソースに選択的に結合された2つのBARである
請求項12に記載の装置。 - 前記装置は、同じメモリリソースを含むSSDをさらに含み、
前記複数のBARは前記同じメモリリソースに選択的に結合される
請求項9〜10のいずれか1項に記載の装置。 - 2次メモリリソース中のデータ格納用のアドレスをマッピングし、当該マッピングは読み出し要求用のキャッシュ可能な属性としてライトプロテクトを設定し、
同じ2次メモリリソース中のデータ格納用のアドレスをマッピングし、当該マッピングは書き込み要求用のキャッシュ属性としてライトコンバイニングを設定する
方法。 - 前記方法は、
要求された動作が読み出し要求と書き込み要求のいずれであるかを、ソリッドステート装置(SSD)ドライバが判定すること
を含む請求項15に記載の方法。 - 前記SSDドライバは、前記キャッシュ属性としてライトプロテクトに設定されたマップされたアドレスを含む第1のベースアドレスレジスタ(BAR)に、要求された読み出し動作を割り当て、
前記SSDドライバは、前記キャッシュ属性としてライトコンバイニングに設定されたマップされたアドレスを含む第2のBARに、要求された書き込み動作を割り当てる
ことをさらに含む請求項16に記載の方法 - ソリッドステート装置(SSD)ドライバが、マップされたアドレスを含む第1のベースアドレスレジスタ(BAR)と共に使用するために、読み出し動作タイプのために選択した第1のキャッシュ属性としてライトプロテクトを有効にすることと、
SSDドライバが、マップされたアドレスを含む第2のBARと共に使用するために、書き込み動作タイプのために選択した第2のキャッシュ属性としてライトコンバイニングを有効にすること、
をさらに含み、
前記第1のBARと共に使用するための前記第1のキャッシュ属性と、前記第2のBARと共に使用するための前記第2のキャッシュ属性は異なるキャッシュ属性タイプである
請求項15〜17のいずれか1項に記載の方法。 - 中央処理装置(CPU)および1次メモリリソースを含むホストコンピューティング装置と、
前記CPUに選択的に結合されたソリッドステート装置(SSD)ドライバと、
各々が同じ2次メモリリソース中へのデータ格納用の同じアドレスを含む、複数のベースアドレスレジスタ(BAR)を含むコントローラであって、前記SSDドライバに選択的に結合される前記コントローラと、
前記同じ2次メモリリソースを含むSSD
を含み、
前記複数のBARは前記同じ2次メモリリソースに選択的に結合される
装置。 - 揮発性メモリリソースが前記1次メモリリソースである
請求項19に記載の装置。 - 不揮発性3Dクロスポイントメモリが前記同じ2次メモリリソースである
請求項19に記載の装置。 - ペリフェラルコンポーネント・インターコネクト・エクスプレス(PCIe)回路を形成するために、前記ホストコンピューティング装置、前記SSDドライバ、前記同じ2次メモリリソースを含むペリフェラルSSD、および前記コントローラの間の通信インタフェースとして、PCIeバス
をさらに含む請求項19に記載の装置。 - 前記SSDドライバは前記ホストコンピューティング装置に配置される
請求項19に記載の装置。 - 前記ホストコンピューティング装置中のキャッシュは、読み出し動作タイプの実行での前記CPUによる使用のための前記同じ2次メモリリソースから転送されたデータ値の格納のために選択され、
前記キャッシュは有効にされたキャッシュ属性によって制御される
請求項19〜23のいずれか1項に記載の装置。 - 前記ホストコンピューティング装置中のバッファは、書き込み動作タイプの実行での前記CPUによる使用のための前記同じ2次メモリリソースに転送されるデータ値の格納のために選択され、
前記バッファは有効にされたライトコンバイニングキャッシュ属性によって制御される
請求項19〜23のいずれか1項に記載の装置。
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PCT/US2017/017170 WO2017142785A1 (en) | 2016-02-18 | 2017-02-09 | Apparatuses and methods for multiple address registers for a solid state device |
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US10705747B2 (en) * | 2018-03-21 | 2020-07-07 | Micron Technology, Inc. | Latency-based storage in a hybrid memory system |
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TWI631467B (zh) | 2018-08-01 |
US20170242623A1 (en) | 2017-08-24 |
CN108701085A (zh) | 2018-10-23 |
EP3417377A4 (en) | 2020-03-25 |
EP3417377B1 (en) | 2024-04-03 |
KR20180105265A (ko) | 2018-09-27 |
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JP6890131B2 (ja) | 2021-06-18 |
US20190065104A1 (en) | 2019-02-28 |
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