JP5746770B2 - 仮想化によるスマートデバイスの直接的共有 - Google Patents
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- 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
- G06F9/4555—Para-virtualisation, i.e. guest operating system has to be modified
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- 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
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- 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
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Description
Claims (18)
- 仮想マシンモニタを実行する装置で行われる方法であって、
前記装置が、仮想マシンのワークロードをデバイスが直接的に実行できるようにする段階と、
前記装置が、複数の異なる仮想マシンからのワークロードを切り分けてスケジューリングする段階と、
前記装置が、前記装置に形成される割り込みステータスレジスタの位置を、デバイスに通知するとともに仮想マシンのメモリマップト入出力空間にマッピングする段階と、
デバイスが、仮想マシンへの割り込みを生成する前に、前記割り込みステータスレジスタを更新する段階と
を備える方法。 - 前記装置が、複数の異なる仮想マシンからのワークロードを切り分けてスケジューリングすることができるようにデバイスのソフトウェアおよび/またはファームウェアを変更することで、前記実行できるようにする段階を行う請求項1に記載の方法。
- 前記装置が、入出力仮想化を提供することで、前記実行できるようにする段階を行う請求項1または2に記載の方法。
- 前記装置が、複数の仮想マシンによるデバイスの共有を可能にすることで、前記実行できるようにする段階を行う請求項1から3のいずれか1項に記載の方法。
- 前記装置が、デバイス資源を仮想マシンに動的に割り当てることで、前記実行できるようにする段階を行う請求項1から4のいずれか1項に記載の方法。
- 前記装置が、予め定められた頻度よりも高い頻度でデバイス資源がアクセスされる場合、前記実行できるようにする段階の後に、前記スケジューリングする段階を行う代わりに、このデバイス資源に関して仮想化されているデバイスへの経路に仮想マシンを直接的にアクセスさせる段階をさらに備える請求項1から5のいずれか1項に記載の方法。
- 前記装置が、予め定められた頻度よりも高い頻度でデバイス資源がアクセスされない場合、このデバイス資源に対するワークロードの切り分けおよびスケジューリングを行うことで、前記スケジューリングする段階を行う請求項1から6のいずれか1項に記載の方法。
- 前記装置が、前記実行できるようにする段階と、前記スケジューリングする段階との間に、複数の異なる仮想マシンからのアクセス要求をトラップおよびエミュレートする段階をさらに備える請求項1から7のいずれか1項に記載の方法。
- 前記装置が、予め定められた頻度よりも高い頻度でデバイス資源がアクセスされない場合、前記スケジューリングする段階と前記通知する段階との間に、このデバイス資源に関する仮想マシンデバイスモデルを使用してデバイス資源にアクセスする段階をさらに備える請求項1から8のいずれか1項に記載の方法。
- 仮想マシンモニタを実行する装置であって、
デバイスが仮想マシンのワークロードを直接的に実行できるようにする手段と、
複数の異なる仮想マシンからのワークロードを切り分けてスケジューリングする手段と、
前記装置に形成される割り込みステータスレジスタの位置を、デバイスに通知するとともに仮想マシンのメモリマップト入出力空間にマッピングする手段と
を備え、
前記割り込みステータスレジスタは、デバイスが仮想マシンへの割り込みを生成する前に、このデバイスによって更新される装置。 - 複数の異なる仮想マシンからのワークロードを切り分けてスケジューリングできるようにデバイスのソフトウェアおよび/またはファームウェアを変更する手段を備える請求項10に記載の装置。
- 入出力仮想化を提供する手段を備える請求項10または11に記載の装置。
- 複数の仮想マシンによるデバイスの共有を可能にする手段を備える請求項10から12のいずれか1項に記載の装置。
- デバイス資源を仮想マシンに動的に割り当てる手段を備える請求項10から13のいずれか1項に記載の装置。
- 予め定められた頻度よりも高い頻度でデバイス資源がアクセスされる場合、前記スケジューリングする手段が切り分けおよびスケジューリングを行う代わりに、このデバイス資源に関して仮想化されているデバイスへの経路に仮想マシンを直接的にアクセスさせる手段を備える請求項10から14のいずれか1項に記載の装置。
- 前記スケジューリングする手段は、予め定められた頻度よりも高い頻度でデバイス資源がアクセスされない場合、このデバイス資源に対するワークロードの切り分けおよびスケジューリングを行う請求項10から15のいずれか1項に記載の装置。
- 複数の異なる仮想マシンからのアクセス要求を、トラップおよびエミュレートする手段を備える請求項10から16のいずれか1項に記載の装置。
- 予め定められた頻度よりも高い頻度でデバイス資源がアクセスされない場合、このデバイス資源に関する仮想マシンデバイスモデルを使用してデバイス資源にアクセスする手段を備える請求項10から17のいずれか1項に記載の装置。
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US12/977,490 | 2010-12-23 | ||
US12/977,490 US20120167082A1 (en) | 2010-12-23 | 2010-12-23 | Direct sharing of smart devices through virtualization |
PCT/US2011/065941 WO2012087984A2 (en) | 2010-12-23 | 2011-12-19 | Direct sharing of smart devices through virtualization |
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JP2013546111A JP2013546111A (ja) | 2013-12-26 |
JP5746770B2 true JP5746770B2 (ja) | 2015-07-08 |
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US (1) | US20120167082A1 (ja) |
JP (1) | JP5746770B2 (ja) |
KR (1) | KR101569731B1 (ja) |
CN (1) | CN103282881B (ja) |
TW (1) | TWI599955B (ja) |
WO (1) | WO2012087984A2 (ja) |
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2010
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CN103282881B (zh) | 2016-08-31 |
JP2013546111A (ja) | 2013-12-26 |
KR20130111593A (ko) | 2013-10-10 |
WO2012087984A3 (en) | 2012-11-01 |
US20120167082A1 (en) | 2012-06-28 |
CN103282881A (zh) | 2013-09-04 |
KR101569731B1 (ko) | 2015-11-17 |
WO2012087984A2 (en) | 2012-06-28 |
TWI599955B (zh) | 2017-09-21 |
TW201246072A (en) | 2012-11-16 |
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