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Xen 4.22-unstable

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  • DOMCTL Hypercalls
    • claim_memory
  • MEMCTL Hypercalls
    • claim_pages
  • x86
    • Hypercall ABI
    • PV Traps and Entrypoints
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  • DOMCTL Hypercalls

DOMCTL Hypercalls#

Through DOMCTL hypercalls, toolstacks in privileged domains can perform operations related to domain management. This includes operations such as creating, destroying, and modifying domains, as well as querying domain information.

  • claim_memory
    • XEN_DOMCTL_claim_memory
    • Hypercall API
    • C API by libxenctrl
    • Using the Xenctrl OCaml bindings
    • Call sequence diagram
    • Claim workflow
    • Used functions & data structures

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