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47 lines
1.6 KiB
Markdown
47 lines
1.6 KiB
Markdown
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# KVM-related virtual machine monitors
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The Kernel-based Virtual Machine (KVM) module for Linux can be leveraged by many virtual machine monitors (VMMs) to achieve near native performance.
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### QEMU
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[QEMU](https://wiki.qemu.org/) is a very popular emulator which can be used alongside to KVM to leverage hardware-assisted acceleration as found in modern CPUs. In this mode, as used as a virtualizer in QEMU lingo, it can run guest code directly on the host CPU.
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### crosvm
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crosvm is the Chrome OS Virtual Machine Monitor. It is integrated with the Chromium Operating System
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### cloud-hypervisor
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### firecracker
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## Comparaison
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See Joplin note under Phyllome OS
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| | `QEMU` | `crosvm` | `cloud-hypervisor` |
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| :- | :-: | :-: | :-: |
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| *Firmware* | [SeaBIOS](/virt/vm/firmware#seabios) / [OVMF](/virt/vm/firmware#ovmf) | [SeaBIOS](/virt/vm/firmware#seabios) / [OVMF](/virt/vm/firmware#ovmf) | Modified [OVMF](/virt/vm/firmware#ovmf) / [RHF](/virt/vm/firmware#rust-hypervisor-firmware) |
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| *PS/2 devices* | **Yes** | **Yes** | No |
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| *USB Controller* | **Yes** | **Yes** | No |
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| *SATA Controller* | No | **Yes** | No |
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| *IDE Controller* | **Yes** | No | No |
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| *Floppy Controller* | **Yes** | No | No |
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| *TPM Support* | No | **Yes** | No? |
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| *PCI-Express Bus* | No | **Yes** | **Yes** |
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| *PCI Bus* | **Yes** | No? | No? |
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| *Virtual Function I/O* | No | **Yes** | **Yes** |
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## Resources
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QEMU documentation
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https://github.com/firecracker-microvm/firecracker/blob/main/docs/vsock.md
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https://github.com/firecracker-microvm/firecracker/blob/main/docs/design.md
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---
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*[**Go to parent page**](https://wiki.phyllo.me/)* |