{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8521941","patent":{"patent_number":"US-8521941","title":"Multi-root sharing of single-root input/output virtualization","assignee":null,"inventors":[],"filing_date":"2010-12-28T00:00:00.000Z","publication_date":"2013-08-27T00:00:00.000Z","cpc_codes":["G06F"],"num_claims":17,"abstract":"In a first embodiment of the present invention, a method for multi-root sharing of a plurality of single root input/output virtualization (SR-IOV) endpoints is provided, the method comprising: CSR redirection to a management processor which either acts as a proxy to execute the CSR request on behalf of the host or filters it and performs an alternate action, downstream routing of memory mapped I/O request packets through the switch in the host's address space and address translation with VF BAR granularity, upstream routing of requests originated by I/O devices by table lookup indexed by Requester ID, and requester ID translation using a fixed local-global RID offset."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Multi-root sharing of single-root input/output virtualization","description":"In a first embodiment of the present invention, a method for multi-root sharing of a plurality of single root input/output virtualization (SR-IOV) endpoints is provided, the method comprising: CSR red","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8521941","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-8521941","citation_suggestion":"Patentable. \"Multi-root sharing of single-root input/output virtualization\" (US-8521941). https://patentable.app/patents/US-8521941","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8521941","json":"https://patentable.app/api/llm-context/US-8521941","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:32:49.305Z"}