IN2015DN01637A - - Google Patents

Info

Publication number
IN2015DN01637A
IN2015DN01637A IN1637DEN2015A IN2015DN01637A IN 2015DN01637 A IN2015DN01637 A IN 2015DN01637A IN 1637DEN2015 A IN1637DEN2015 A IN 1637DEN2015A IN 2015DN01637 A IN2015DN01637 A IN 2015DN01637A
Authority
IN
India
Prior art keywords
virtual
iommu
page table
gcr3
input
Prior art date
Application number
Other languages
English (en)
Inventor
Andrew G Kegel
Mark D Hummel
Original Assignee
Advanced Micro Devices Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Publication of IN2015DN01637A publication Critical patent/IN2015DN01637A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/1009—Address translation using page tables, e.g. page table structures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/1027—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB]
    • G06F12/1036—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB] for multiple virtual address spaces, e.g. segmentation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/1081—Address translation for peripheral access to main memory, e.g. direct memory access [DMA]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/10—Address translation
    • G06F12/109—Address translation for multiple virtual address spaces, e.g. segmentation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Storage Device Security (AREA)
IN1637DEN2015 2012-08-29 2013-08-27 IN2015DN01637A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/597,575 US9424199B2 (en) 2012-08-29 2012-08-29 Virtual input/output memory management unit within a guest virtual machine
PCT/US2013/056856 WO2014036004A1 (en) 2012-08-29 2013-08-27 Virtual input/output memory management unit wihtin a guest virtual machine

Publications (1)

Publication Number Publication Date
IN2015DN01637A true IN2015DN01637A (ja) 2015-07-03

Family

ID=49213080

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1637DEN2015 IN2015DN01637A (ja) 2012-08-29 2013-08-27

Country Status (7)

Country Link
US (1) US9424199B2 (ja)
EP (1) EP2891067B1 (ja)
JP (1) JP6110946B2 (ja)
KR (1) KR101950000B1 (ja)
CN (1) CN104685479B (ja)
IN (1) IN2015DN01637A (ja)
WO (1) WO2014036004A1 (ja)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104182349A (zh) * 2013-05-27 2014-12-03 联想(北京)有限公司 一种信息处理方法及电子设备
US9547603B2 (en) * 2013-08-28 2017-01-17 Wisconsin Alumni Research Foundation I/O memory management unit providing self invalidated mapping
US9983893B2 (en) 2013-10-01 2018-05-29 Red Hat Israel, Ltd. Handling memory-mapped input-output (MMIO) based instructions using fast access addresses
US9916173B2 (en) * 2013-11-25 2018-03-13 Red Hat Israel, Ltd. Facilitating execution of MMIO based instructions
US9135437B1 (en) * 2014-03-24 2015-09-15 Amazon Technologies, Inc. Hypervisor enforcement of cryptographic policy
US9632953B2 (en) 2014-06-03 2017-04-25 Qualcomm Incorporated Providing input/output virtualization (IOV) by mapping transfer requests to shared transfer requests lists by IOV host controllers
US9690720B2 (en) 2014-06-03 2017-06-27 Qualcomm Incorporated Providing command trapping using a request filter circuit in an input/output virtualization (IOV) host controller (HC) (IOV-HC) of a flash-memory-based storage device
US9703726B2 (en) * 2014-06-24 2017-07-11 Bitdefender IPR Management Ltd. Systems and methods for dynamically protecting a stack from below the operating system
US20160077981A1 (en) * 2014-09-12 2016-03-17 Advanced Micro Devices, Inc. Method and Apparatus for Efficient User-Level IO in a Virtualized System
CA2964628A1 (en) 2014-10-20 2016-04-28 Pharmaceutical Manufacturing Research Services, Inc. Extended release abuse deterrent liquid fill dosage form
US9772962B2 (en) 2015-05-28 2017-09-26 Red Hat Israel, Ltd. Memory sharing for direct memory access by a device assigned to a guest operating system
US9720846B2 (en) 2015-05-28 2017-08-01 Red Hat Israel, Ltd. Memory swap for direct memory access by a device assigned to a guest operating system
US10152612B2 (en) * 2015-09-25 2018-12-11 Intel Corporation Cryptographic operations for secure page mapping in a virtual machine environment
US10216533B2 (en) 2015-10-01 2019-02-26 Altera Corporation Efficient virtual I/O address translation
US9959214B1 (en) * 2015-12-29 2018-05-01 Amazon Technologies, Inc. Emulated translation unit using a management processor
US10509729B2 (en) * 2016-01-13 2019-12-17 Intel Corporation Address translation for scalable virtualization of input/output devices
US9846610B2 (en) 2016-02-08 2017-12-19 Red Hat Israel, Ltd. Page fault-based fast memory-mapped I/O for virtual machines
US10073710B2 (en) 2016-02-25 2018-09-11 Red Hat Israel, Ltd. Host-driven application memory protection for virtual machines
US10671419B2 (en) 2016-02-29 2020-06-02 Red Hat Israel, Ltd. Multiple input-output memory management units with fine grained device scopes for virtual machines
US11379385B2 (en) * 2016-04-16 2022-07-05 Vmware, Inc. Techniques for protecting memory pages of a virtual computing instance
US11150928B2 (en) * 2016-06-08 2021-10-19 Red Hat Israel, Ltd. Hypervisor translation bypass
CN114217902A (zh) 2016-06-15 2022-03-22 华为技术有限公司 一种数据传输方法及装置
US10176006B2 (en) 2016-07-18 2019-01-08 International Business Machines Corporation Delaying purging of structures associated with address translation
US10176110B2 (en) 2016-07-18 2019-01-08 International Business Machines Corporation Marking storage keys to indicate memory used to back address translation structures
US10223281B2 (en) 2016-07-18 2019-03-05 International Business Machines Corporation Increasing the scope of local purges of structures associated with address translation
US10241924B2 (en) 2016-07-18 2019-03-26 International Business Machines Corporation Reducing over-purging of structures associated with address translation using an array of tags
US10180909B2 (en) 2016-07-18 2019-01-15 International Business Machines Corporation Host-based resetting of active use of guest page table indicators
US10248573B2 (en) 2016-07-18 2019-04-02 International Business Machines Corporation Managing memory used to back address translation structures
US10168902B2 (en) 2016-07-18 2019-01-01 International Business Machines Corporation Reducing purging of structures associated with address translation
US10169243B2 (en) 2016-07-18 2019-01-01 International Business Machines Corporation Reducing over-purging of structures associated with address translation
US10282305B2 (en) 2016-07-18 2019-05-07 International Business Machines Corporation Selective purging of entries of structures associated with address translation in a virtualized environment
US10162764B2 (en) 2016-07-18 2018-12-25 International Business Machines Corporation Marking page table/page status table entries to indicate memory used to back address translation structures
US10802986B2 (en) 2016-07-18 2020-10-13 International Business Machines Corporation Marking to indicate memory used to back address translation structures
US10176111B2 (en) 2016-07-18 2019-01-08 International Business Machines Corporation Host page management using active guest page table indicators
US20180024938A1 (en) * 2016-07-21 2018-01-25 Advanced Micro Devices, Inc. Allocating physical pages to sparse data sets in virtual memory without page faulting
US10140214B2 (en) 2016-08-29 2018-11-27 Red Hat Israel, Ltd. Hypervisor translation bypass by host IOMMU with virtual machine migration support
US10176122B2 (en) * 2016-10-19 2019-01-08 Advanced Micro Devices, Inc. Direct memory access authorization in a processing system
US10013199B2 (en) 2016-11-15 2018-07-03 Red Hat Israel, Ltd. Translation bypass by host IOMMU for systems with virtual IOMMU
US10013388B1 (en) * 2016-12-19 2018-07-03 Amazon Technologies, Inc. Dynamic peer-to-peer configuration
US10635479B2 (en) * 2016-12-19 2020-04-28 Bitdefender IPR Management Ltd. Event filtering for virtual machine security applications
KR101716715B1 (ko) * 2016-12-27 2017-03-15 주식회사 티맥스클라우드 가상 머신 환경의 네트워크 입출력 장치 가상화 방법 및 장치
CN106991057B (zh) * 2017-04-11 2020-09-11 深信服科技股份有限公司 一种共享显卡虚拟化中内存的调用方法及虚拟化平台
CN107193759A (zh) * 2017-04-18 2017-09-22 上海交通大学 设备内存管理单元的虚拟化方法
US10228981B2 (en) 2017-05-02 2019-03-12 Intel Corporation High-performance input-output devices supporting scalable virtualization
US10628202B2 (en) * 2017-09-19 2020-04-21 Microsoft Technology Licensing, Llc Hypervisor direct memory access
US11469953B2 (en) 2017-09-27 2022-10-11 Intel Corporation Interworking of legacy appliances in virtualized networks
US11750533B2 (en) * 2017-10-24 2023-09-05 Intel Corporation Hardware assisted virtual switch
US11698866B2 (en) * 2017-12-29 2023-07-11 Intel Corporation Unified address translation for virtualization of input/output devices
US11036645B2 (en) * 2018-06-26 2021-06-15 Red Hat, Inc. Secure userspace networking for guests
US10853271B2 (en) * 2018-08-03 2020-12-01 Arm Limited System architecture with query based address translation for access validation
US10983926B2 (en) 2018-08-29 2021-04-20 Red Hat, Inc. Efficient userspace driver isolation for virtual machines
US10754796B2 (en) 2018-08-29 2020-08-25 Red Hat, Inc. Efficient user space driver isolation by CPU page table switching
US11481241B2 (en) * 2018-08-30 2022-10-25 Micron Technology, Inc. Virtual machine register in a computer processor
US10809929B2 (en) 2018-11-30 2020-10-20 International Business Machines Corporation Combined hardware/software-enforced segmentation of multi-tenant memory/storage systems
KR102634986B1 (ko) * 2019-01-08 2024-02-07 한국전자통신연구원 가상화 환경에서의 프로그램 전송 장치 및 방법 그리고 이를 포함하는 시스템
WO2020154924A1 (zh) * 2019-01-29 2020-08-06 华为技术有限公司 电子设备和地址访问方法
US11023397B2 (en) * 2019-03-25 2021-06-01 Alibaba Group Holding Limited System and method for monitoring per virtual machine I/O
US11036649B2 (en) 2019-04-04 2021-06-15 Cisco Technology, Inc. Network interface card resource partitioning
US11494211B2 (en) * 2019-04-22 2022-11-08 Advanced Micro Devices, Inc. Domain identifier and device identifier translation by an input-output memory management unit
US10909053B2 (en) * 2019-05-27 2021-02-02 Advanced Micro Devices, Inc. Providing copies of input-output memory management unit registers to guest operating systems
US20200387326A1 (en) * 2019-06-10 2020-12-10 Advanced Micro Devices, Inc. Guest Operating System Buffer and Log Accesses by an Input-Output Memory Management Unit
US11176056B2 (en) 2019-06-28 2021-11-16 International Business Machines Corporation Private space control within a common address space
US10970224B2 (en) 2019-06-28 2021-04-06 International Business Machines Corporation Operational context subspaces
US10891238B1 (en) * 2019-06-28 2021-01-12 International Business Machines Corporation Dynamically joining and splitting dynamic address translation (DAT) tables based on operational context
US11074195B2 (en) 2019-06-28 2021-07-27 International Business Machines Corporation Access to dynamic address translation across multiple spaces for operational context subspaces
US11042495B2 (en) * 2019-09-20 2021-06-22 Advanced Micro Devices, Inc. Providing interrupts from an input-output memory management unit to guest operating systems
US11301402B2 (en) * 2020-04-30 2022-04-12 Red Hat, Inc. Non-interrupting portable page request interface
CN111737176B (zh) * 2020-05-11 2022-07-15 瑞芯微电子股份有限公司 一种基于pcie数据的同步装置及驱动方法
CN112612574B (zh) * 2020-12-18 2023-09-26 海光信息技术股份有限公司 输入输出设备的内存访问管理单元、系统及地址转换方法
EP4268085A4 (en) * 2020-12-22 2024-04-10 Intel Corp PROCESSOR CIRCUITRY TO EXECUTE AN INPUT-OUTPUT TRANSLATION VIRTUAL ADDRESS INSTRUCTION
US11860792B2 (en) 2021-05-04 2024-01-02 Red Hat, Inc. Memory access handling for peripheral component interconnect devices
US11900142B2 (en) 2021-06-16 2024-02-13 Red Hat, Inc. Improving memory access handling for nested virtual machines
CN113868174B (zh) * 2021-10-11 2024-02-06 摩尔线程智能科技(北京)有限责任公司 验证平台搭建方法、装置及存储介质
CN115460172B (zh) * 2022-08-22 2023-12-05 曙光信息产业股份有限公司 设备地址分配方法、装置、计算机设备、介质及程序产品

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7428626B2 (en) 2005-03-08 2008-09-23 Microsoft Corporation Method and system for a second level address translation in a virtual machine environment
JP4756603B2 (ja) * 2006-10-10 2011-08-24 ルネサスエレクトロニクス株式会社 データプロセッサ
US7873770B2 (en) 2006-11-13 2011-01-18 Globalfoundries Inc. Filtering and remapping interrupts
US8078827B2 (en) 2007-07-05 2011-12-13 International Business Machines Corporation Method and apparatus for caching of page translations for virtual machines
GB0823162D0 (en) * 2008-12-18 2009-01-28 Solarflare Communications Inc Virtualised Interface Functions
US8443156B2 (en) * 2009-03-27 2013-05-14 Vmware, Inc. Virtualization system using hardware assistance for shadow page table coherence
JP5476764B2 (ja) * 2009-03-30 2014-04-23 富士通株式会社 サーバ装置、計算機システム、プログラム及び仮想計算機移動方法
US9535849B2 (en) * 2009-07-24 2017-01-03 Advanced Micro Devices, Inc. IOMMU using two-level address translation for I/O and computation offload devices on a peripheral interconnect
US8386745B2 (en) * 2009-07-24 2013-02-26 Advanced Micro Devices, Inc. I/O memory management unit including multilevel address translation for I/O and computation offload
US8271450B2 (en) * 2009-10-01 2012-09-18 Vmware, Inc. Monitoring a data structure in a virtual machine and determining if memory pages containing the data structure are swapped into or out of guest physical memory
US20110197004A1 (en) * 2010-02-05 2011-08-11 Serebrin Benjamin C Processor Configured to Virtualize Guest Local Interrupt Controller
JP5601516B2 (ja) * 2010-10-06 2014-10-08 日本電気株式会社 コンピュータ装置及びメモリリソース割当て方法
US20120110575A1 (en) 2010-10-29 2012-05-03 Unisys Corp. Secure partitioning with shared input/output
US20120246381A1 (en) 2010-12-14 2012-09-27 Andy Kegel Input Output Memory Management Unit (IOMMU) Two-Layer Addressing

Also Published As

Publication number Publication date
KR20150048173A (ko) 2015-05-06
EP2891067B1 (en) 2019-02-27
KR101950000B1 (ko) 2019-02-19
EP2891067A1 (en) 2015-07-08
JP2015526829A (ja) 2015-09-10
US9424199B2 (en) 2016-08-23
CN104685479B (zh) 2018-04-17
JP6110946B2 (ja) 2017-04-05
CN104685479A (zh) 2015-06-03
WO2014036004A1 (en) 2014-03-06
US20140068137A1 (en) 2014-03-06

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