Various clean-ups, additions

Refactoring of the home page. Adding a page for virtual machine monitors.

virt/host/vmm.md

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+
+# KVM-related virtual machine monitors
+
+The Kernel-based Virtual Machine (KVM) module for Linux can be leveraged by many virtual machine monitors (VMMs) to achieve near native performance.
+
+### QEMU
+
+[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. 
+
+### crosvm
+
+crosvm is the Chrome OS Virtual Machine Monitor. It is integrated with the Chromium Operating System
+
+### cloud-hypervisor
+
+### firecracker
+
+## Comparaison
+
+See Joplin note under Phyllome OS
+
+|  | `QEMU` | `crosvm` | `cloud-hypervisor` | 
+| :- | :-: | :-: | :-: |
+| *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)  |
+| *PS/2 devices* | **Yes** | **Yes** | No | 
+| *USB Controller* | **Yes** | **Yes** | No | 
+| *SATA Controller* | No | **Yes** | No |
+| *IDE Controller* | **Yes** | No | No |
+| *Floppy Controller* | **Yes** | No | No |
+| *TPM Support* | No | **Yes** | No? |
+| *PCI-Express Bus* | No | **Yes** | **Yes** |
+| *PCI Bus* | **Yes** | No? | No? |
+| *Virtual Function I/O* | No | **Yes** | **Yes** |
+
+
+## Resources
+
+QEMU documentation
+
+https://github.com/firecracker-microvm/firecracker/blob/main/docs/vsock.md
+
+
+https://github.com/firecracker-microvm/firecracker/blob/main/docs/design.md
+
+---
+
+*[**Go to parent page**](https://wiki.phyllo.me/)*