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Hardware assisted Virtualization in Embedded
Hardware assisted Virtualization in Embedded
Hardware assisted Virtualization in Embedded
Hardware assisted Virtualization in Embedded
Hardware assisted Virtualization in Embedded
Hardware assisted Virtualization in Embedded
Hardware assisted Virtualization in Embedded
Hardware assisted Virtualization in Embedded
Hardware assisted Virtualization in Embedded
Hardware assisted Virtualization in Embedded
Hardware assisted Virtualization in Embedded
Hardware assisted Virtualization in Embedded
Hardware assisted Virtualization in Embedded
Hardware assisted Virtualization in Embedded
Hardware assisted Virtualization in Embedded
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Hardware assisted Virtualization in Embedded

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  • 1. Hardware assisted Virtualization in Embedded Tanveer Alam Platform Architect – Embedded VirtualizationSponsored by: &
  • 2. Agenda Embedded Virtualization  What is embedded?  Embedded specific requirements  Key Embedded Use Cases  Hardware Virtualization Features Review Embedded Virtualization and Retail/Digital Signage– OS Soft Failover Proof-of-Concept Example Embedded Virtualization and Medical – Critical OS Isolation Proof-of-Concept Example Call to Action Other names and brands may be claimed as the property of others. Copyright © 2010, Intel Corporation Intelligence Where You Need It 2
  • 3. Embedded Virtualization Medical Industrial Energy Retail Automotive Other names and brands may be claimed as the property of others. Copyright © 2010, Intel Corporation Intelligence Where You Need It 3
  • 4. Technical requirements for Embedded Virtualization Smaller code base – lesser points of failure Highly robust and reliable Remote management Certification Legacy code Consolidation + Critical function isolation/partitioning Real time Easy and fast to implement – “turnkey” Other names and brands may be claimed as the property of others. Copyright © 2010, Intel Corporation Intelligence Where You Need It 4
  • 5. Embedded Virtualization Usage Models Legacy OS Consolidation Trusted/Open Application Integration Legacy OS Legacy OS Embedded OS with Media GUI, calendar, (Single threaded: (Single threaded: Guest OS (Phone, Video) RTOS e.g. VxWorks) RTOS e.g VxWorks) Application voice mail, games etc. Thin Hypervisor Thin Hypervisor CPU 0 CPU 1 VT-x & VT-d enabled Antenna VT-x & VT-d enabled Multi-Core Intel® Architecture Multi-Core Intel Architecture RTOS & GPOS Consolidation Performance-Critical Application Separation Linux* X-windows User Space Real Time Kernel Modified NetBSD* MS Windows* SMP kernel Standard API Real Time Process IP Stack Changes NetBSD Hypervisor Hypervisor CPU 0 CPU 1 CPU 0 CPU 1 NIC Chipset NIC Chipset VT-x & VT-d enabled Multi-Core Intel Architecture VT-x & VT-d enabled Multi-Core Intel Architecture VT-x: Intel® Virtualization Technology (Intel® VT) for IA-32, Intel® 64 and Intel® Architecture VT-d: Intel® Virtualization Technology (Intel® VT) for Directed I/O * Other names and brands may bebrands may beproperty of others. Other names and claimed as the claimed as the property of others. Copyright © 2010, Intel Corporation Intelligence Where You Need It 5
  • 6. Intel® Virtualization Technology Review - HW Virtualization Extended Page Tables Virtual Processor ID (VPID) (EPT) VPID [0:15] Guest 0 VPID [0:15] Guest 1 Preemption Timer / Pause VT-d I/O Virtualization Loop Exit  DMA remap  PCIe pass-through Guest 0  Interrupt remap Guest 1 Other names and brands may be claimed as the property of others. Copyright © 2010, Intel Corporation Intelligence Where You Need It 6
  • 7. Virtualization in Embedded : Soft Failover Proof-of-Concept Other names and brands may be claimed as the property of others. Copyright © 2010, Intel Corporation Intelligence Where You Need It 7
  • 8. Virtualization in Embedded : Soft Failover Automatic System Recovery Real-time task Preserve Critical pointer tracking Data and State and resume Requires No Network Connectivity Other names and brands may be claimed as the property of others. Copyright © 2010, Intel Corporation Intelligence Where You Need It 8
  • 9. Virtualization in Embedded : Soft Failover Xen DomU (P) Xen DomU (B) Ryarc Player Samba Heartbeat Mon Samba Xen Dom0 Host OS daemon Other names and brands may be claimed as the property of others. Copyright © 2010, Intel Corporation Intelligence Where You Need It 9
  • 10. Virtualization in Embedded : Soft Failover Specifications: Software Rev/Version Linux Kernel 2.6.32.26 Fedora 14 (64 bits) Xen pvops 4.1 Video Player Ryarc File Share Samba Other names and brands may be claimed as the property of others. Copyright © 2010, Intel Corporation Intelligence Where You Need It 10
  • 11. Virtualization in Embedded: Medical Proof-of-Concept Other names and brands may be claimed as the property of others. Copyright © 2010, Intel Corporation Intelligence Where You Need It 11
  • 12. Virtualization in Embedded : Critical Path Isolation (Medical) PoC RHEL* VGA Windows* XP RHEL* Display HDD SQL Database BT Driver Waveform Display VNC* terminal Windows *HDD Bare Metal Hypervisor (e. g. Xen or Commercial VMM) USB Drive (VMM/Hypervisor) VT-x : VMX & HW assist VT-d : DMA & Interrupt Remapping RHEL* Windows* Bluetooth Ethernet Ethernet Other names and brands may be claimed as the property of others. Copyright © 2010, Intel Corporation Intelligence Where You Need It 12
  • 13. Virtualization in Embedded : Critical Path Isolation (Medical) 100 90 80 70 CPU Utilization 60 50 Windows Linux/RTOS 40 30 20 10 0 1 2 3 4 5 6 7 8 9 10 11 Running Processes Other names and brands may be claimed as the property of others. Copyright © 2010, Intel Corporation Intelligence Where You Need It 13
  • 14. Virtualization in EmbeddedCall to Action  Few Embedded Challenges: real-time, simpler Dom0, fast path interVM comms  Open to developing similar creative ideas using Xen and open source in the embedded domains.  Explore Xen community collaboration possibilities to enable better embedded practical solutions. Other names and brands may be claimed as the property of others. Copyright © 2010, Intel Corporation Intelligence Where You Need It 14
  • 15. References Resource Link Intel® HD Graphics Driver http://support.intel.com Xen how-to guide http://wiki.xensource.com Xen VGA pass-though (using Intel® VT-d) http://wiki.xensource.com/xenwiki/XenPCIpassthrou gh Xen PCI pass-through (using Intel® VT-d) http://wiki.xensource.com/xenwiki/XenVGAPassthro ugh Intel Embedded Developer Site http://edc.intel.com Other names and brands may be claimed as the property of others. Copyright © 2010, Intel Corporation Intelligence Where You Need It 15

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