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57 lines
2.3 KiB
Plaintext
57 lines
2.3 KiB
Plaintext
libvirt library code README
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===========================
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The directory provides the bulk of the libvirt codebase. Everything
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except for the libvirtd daemon and client tools. The build uses a
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large number of libtool convenience libraries - one for each child
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directory, and then links them together for the final libvirt.so,
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although some bits get linked directly to libvirtd daemon instead.
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The files directly in this directory are supporting the public API
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entry points & data structures.
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There are two core shared modules to be aware of:
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* util/ - a collection of shared APIs that can be used by any
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code. This directory is always in the include path
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for all things built
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* conf/ - APIs for parsing / manipulating all the official XML
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files used by the public API. This directory is only
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in the include path for driver implementation modules
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Then there are the hypervisor implementations:
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* esx/ - VMware ESX and GSX support using vSphere API over SOAP
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* lxc/ - Linux Native Containers
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* opennebula/ - Open Nebula using XMLRPC
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* openvz/ - OpenVZ containers using cli tools
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* phyp/ - IBM Power Hypervisor using CLI tools over SSH
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* qemu/ - QEMU / KVM using qemu CLI/monitor
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* remote/ - Generic libvirt native RPC client
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* test/ - A "mock" driver for testing
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* uml/ - User Mode Linux
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* vbox/ - Virtual Box using native API
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* xen/ - Xen using hypercalls, XenD SEXPR & XenStore
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Finally some secondary drivers that are shared for several HVs.
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Currently these are used by LXC, OpenVZ, QEMU, UML and Xen drivers.
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The ESX, OpenNebula, Power Hypervisor, Remote, Test & VirtualBox
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drivers all implement the secondary drivers directly
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* interface/ - Host network interface management
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* network/ - Virtual NAT networking
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* node_device/ - Host device enumeration
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* secret/ - Secret management
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* security/ - Mandatory access control drivers
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* storage/ - Storage management drivers
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Since both the hypervisor and secondary drivers can be built as
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dlopen()able modules, it is *FORBIDDEN* to have build dependencies
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between these directories. Drivers are only allowed to depend on
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the public API, and the internal APIs in the util/ and conf/
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directories
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