JP5122597B2 - 仮想プロセッサへの直接的なインタラプトの送信 - Google Patents
仮想プロセッサへの直接的なインタラプトの送信 Download PDFInfo
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- JP5122597B2 JP5122597B2 JP2010061343A JP2010061343A JP5122597B2 JP 5122597 B2 JP5122597 B2 JP 5122597B2 JP 2010061343 A JP2010061343 A JP 2010061343A JP 2010061343 A JP2010061343 A JP 2010061343A JP 5122597 B2 JP5122597 B2 JP 5122597B2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
- G06F13/24—Handling requests for interconnection or transfer for access to input/output bus using interrupt
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/48—Program initiating; Program switching, e.g. by interrupt
- G06F9/4806—Task transfer initiation or dispatching
- G06F9/4812—Task transfer initiation or dispatching by interrupt, e.g. masked
Description
110 ベアプラットフォームハードウェア
120 プロセッサ
130 メモリ
160 VMM(バーチャルマシーンモニタ)
150 VM(バーチャルマシーン)
Claims (15)
- ゲストが仮想プロセッサ上で実行されている間に、インタラプトリクエストを受け付けるインタフェースと、
前記インタラプトリクエストのトリガーモードがエッジ又はレベルであるかに基づき、前記インタラプトリクエストが前記仮想プロセッサに送信されるべきか判断する送信ロジックと、
前記インタラプトリクエストが前記仮想プロセッサに送信されるべきでないと前記送信ロジックが判断した場合、前記ゲストからホストに当該装置の制御を移行するイグジットロジックと、
から構成されることを特徴とする装置。 - 請求項1記載の装置であって、
前記送信ロジックはさらに、前記インタラプトリクエストが前記仮想プロセッサに送信されるべきであると前記送信ロジックが判断した場合、前記インタラプトリクエストを前記仮想プロセッサに送信することを特徴とする装置。 - 請求項1記載の装置であって、
前記インタフェースはさらに、物理インタラプトベクトルを受け付けることを特徴とする装置。 - 請求項3記載の装置であって、さらに、
前記物理インタラプトベクトルの送信を実行させるため、前記インタラプトリクエストをアクノリッジするアクノリッジロジックを有することを特徴とする装置。 - 請求項3記載の装置であって、さらに、
前記物理インタラプトベクトルを仮想インタラプトベクトルに変換するリダイレクトロジックを有することを特徴とする装置。 - 請求項5記載の装置であって、
前記リダイレクトロジックは、インタラプトリダイレクトデータ構造のエントリに基づき、前記物理インタラプトベクトルを仮想インタラプトベクトルに変換することを特徴とする装置。 - ゲストが仮想プロセッサ上で実行されている間に、インタフェースがインタラプトリクエストを受け付けるステップと、
前記インタラプトリクエストのトリガーモードがエッジ又はレベルであるかに基づき、送信ロジックが前記インタラプトリクエストが前記仮想プロセッサに送信されるべきか判断するステップと、
前記インタラプトリクエストが前記仮想プロセッサに送信されるべきでない場合、イグジットロジックが前記ゲストからホストに制御を移行するステップと、
から構成されることを特徴とする方法。 - 請求項7記載の方法であって、
前記インタフェースが物理インタラプトベクトルを受け付けるステップをさらに有することを特徴とする方法。 - 請求項8記載の方法であって、さらに、
前記物理インタラプトベクトルの送信を実行させるため、アクノリッジロジックが前記インタラプトリクエストをアクノリッジするステップを有することを特徴とする方法。 - 請求項8記載の方法であって、さらに、
リダイレクトロジックが前記物理インタラプトベクトルを仮想インタラプトベクトルに変換するステップを有することを特徴とする方法。 - 請求項10記載の方法であって、
前記リダイレクトロジックが変換するステップは、インタラプトリダイレクトデータ構造のエントリに基づくことを特徴とする方法。 - 仮想プロセッサを有するバーチャルマシーンを制御するデータ構造を格納するメモリと、
インタラプトリクエストを受け付けるインタフェースと、前記インタラプトリクエストのトリガーモードがエッジ又はレベルであるかに基づき、前記インタラプトリクエストが前記仮想プロセッサに送信されるべきか判断する送信ロジックと、前記インタラプトリクエストが前記仮想プロセッサに送信されるべきでないと前記送信ロジックが判断した場合、ゲストからホストに当該プロセッサの制御を移行するイグジットロジックとを有する物理プロセッサと、
から構成されることを特徴とするシステム。 - 請求項12記載のシステムであって、
前記インタフェースはさらに、物理インタラプトベクトルを受け付けることを特徴とするシステム。 - 請求項13記載のシステムであって、さらに、
前記物理プロセッサはさらに、前記物理インタラプトベクトルを仮想インタラプトベクトルに変換するリダイレクトロジックを有することを特徴とするシステム。 - 請求項14記載のシステムであって、
前記リダイレクトロジックは、前記データ構造におけるインタラプトリダイレクトマップに基づき、前記物理インタラプトベクトルを仮想インタラプトベクトルに変換することを特徴とするシステム。
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US11/323,114 US8286162B2 (en) | 2005-12-30 | 2005-12-30 | Delivering interrupts directly to a virtual processor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI733745B (zh) * | 2017-01-23 | 2021-07-21 | 香港商阿里巴巴集團服務有限公司 | 核心模式的虛擬機器(kvm)虛擬化下處理i/o請求的方法和裝置 |
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TWI375913B (en) | 2012-11-01 |
US20120331467A1 (en) | 2012-12-27 |
EP1804164A1 (en) | 2007-07-04 |
US8938737B2 (en) | 2015-01-20 |
US8286162B2 (en) | 2012-10-09 |
TW200818019A (en) | 2008-04-16 |
JP2007183951A (ja) | 2007-07-19 |
US20070157197A1 (en) | 2007-07-05 |
JP2010176693A (ja) | 2010-08-12 |
US9442868B2 (en) | 2016-09-13 |
US20150205736A1 (en) | 2015-07-23 |
CN101004726A (zh) | 2007-07-25 |
CN102945186A (zh) | 2013-02-27 |
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