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Subject: [PATCH] IPR: disclosures by Red Hat
I scanned a bunch of pending patent applications, included please find info on those that I found and that seem relevant to the spec. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- IPR.md | 202 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 202 insertions(+) diff --git a/IPR.md b/IPR.md index 01b424d..79be42b 100644 --- a/IPR.md +++ b/IPR.md @@ -8,6 +8,108 @@ made to the TC, as defined in and required by the OASIS IPR Policy. ### IPR disclosures made by Red Hat + +#### Statement regarding IPR, submitted by Red Hat, April 6, 2022 + +Red Hat has filed several United States patent applications that might become +essential to an OASIS Standards Final Deliverable. + +US Publication No. 20210303324 titled "HYPERVISOR TASK EXECUTION MANAGEMENT FOR VIRTUAL MACHINES" +as well as an unpublished application titled +"BINARY EXECUCTION BY A VIRTUAL DEVICE" +are relevant to section "Device Types" of the Virtual I/O Device (VIRTIO) specification. + +Should one of these patent applications be issued as a patent, and be +identified as essential to the compliant implementation of an OASIS Standards +Final Deliverable produced by the VIRTIO TC, Red Hat will operate, as specified +by the VIRTIO TC, under the Non-Assertion Mode TC Requirements described in +section 10.3 of the OASIS IPR Policy (as of the date of this disclosure). + +#### Statement regarding IPR, submitted by Red Hat, April 6, 2022 + +Red Hat has filed several United States patent applications that might become +essential to an OASIS Standards Final Deliverable. + +US Publication No. 20210019267 titled "SAFE VIRTUAL MACHINE PHYSICAL DEVICE ACCESS FOR NETWORK FUNCTION VIRTUALIZATION" +as well as an unpublished applications titled +"IMPROVING MEMORY ACCESS HANDLING FOR NESTED VIRTUAL MACHINES" +and +"IMPROVING VIRTUAL DEVICE TRANSLATION FOR NESTED VIRTUAL MACHINES" +are relevant to section "IOMMU Device" of the Virtual I/O Device (VIRTIO) +specification. + +Should one of these patent applications be issued as a patent, and be +identified as essential to the compliant implementation of an OASIS Standards +Final Deliverable produced by the VIRTIO TC, Red Hat will operate, as specified +by the VIRTIO TC, under the Non-Assertion Mode TC Requirements described in +section 10.3 of the OASIS IPR Policy (as of the date of this disclosure). + +#### Statement regarding IPR, submitted by Red Hat, April 6, 2022 + +Red Hat has filed several United States patent applications that might become +essential to an OASIS Standards Final Deliverable. + +US Publication No. 20210064443 titled "HARDWARE OFFLOAD SUPPORT FOR AN OPERATING SYSTEM OFFLOAD INTERFACE USING OPERATION CODE VERIFICATION", +US Publication No. 20210144177 titled "IMPLEMENTING A SERVICE MESH IN THE HYPERVISOR", +US Publication No. 20210149701 titled "NETWORK UPDATES FOR VIRTUAL MACHINE MIGRATION", +US Publication No. 20210149702 titled "VIRTUAL MACHINE MIGRATION DOWNTIME REDUCTION USING A MULTICAST ADDRESS", +US Publication No. 20210152642 titled "ZERO-COPY FORWARDING FOR NETWORK FUNCTION VIRTUALIZATION", +US Publication No. 20210240645 titled "REMOTE DIRECT MEMORY ACCESS BASED NETWORKING GATEWAY", +US Publication No. 20210306258 titled "LOCATION CHANGE NOTIFICATION HANDLING", +US Publication No. 20210349746 titled "EFFICIENT HANDLING OF NETWORK TOPOLOGY CHANGE NOTIFICATION FOR VIRTUAL MACHINES", +US Publication No. 20220050700 titled "VIRTUAL BOND FOR EFFICIENT NETWORKING OF VIRTUAL MACHINES" +as well as unpublished patent applications titled +"MALICIOUS PACKET FILTERING IN A VIRTUALIZATION SYSTEM", +"REVERSE VIRTUAL ETHERNET PORT AGGREGATOR BRIDGING FOR SINGLE ROOT I/O VIRTUALIZATION", +"SECURE CONTROL OF PACKET FILTER PROGRAMS BY USER SPACE PROCESSES IN VIRTUAL MACHINES" +and +"VIRTUAL NETWORKING FOR SPECIAL TYPES OF NESTED VIRTUAL MACHINES" +are relevant to section "Network Device" of the Virtual I/O Device (VIRTIO) +specification. + +Should one of these patent applications be issued as a patent, and be +identified as essential to the compliant implementation of an OASIS Standards +Final Deliverable produced by the VIRTIO TC, Red Hat will operate, as specified +by the VIRTIO TC, under the Non-Assertion Mode TC Requirements described in +section 10.3 of the OASIS IPR Policy (as of the date of this disclosure). + +#### Statement regarding IPR, submitted by Red Hat, April 6, 2022 +Red Hat has filed a United States patent application that might become +essential to an OASIS Standards Final Deliverable. + +US Publication No. 20200379791 titled "ZERO COPY MESSAGE RECEPTION FOR APPLICATIONS" +is relevant to section "Socket Device" of the Virtual I/O Device (VIRTIO) +specification. + +Should this patent application be issued as a patent, and be +identified as essential to the compliant implementation of an OASIS Standards +Final Deliverable produced by the VIRTIO TC, Red Hat will operate, as specified +by the VIRTIO TC, under the Non-Assertion Mode TC Requirements described in +section 10.3 of the OASIS IPR Policy (as of the date of this disclosure). + +#### Statement regarding IPR, submitted by Red Hat, April 6, 2022 + +Red Hat has filed several United States patent applications that might become +essential to an OASIS Standards Final Deliverable. + +US Publication No. 20190243677 titled "MEMORY DEDUPLICATION BASED ON GUEST PAGE HINTS", +US Publication No. 20200278878 titled "RESETTING PERSISTENT BALLOON MEMORY FOR FRAGMENTATION REDUCTION", +US Publication No. 20210182191 titled "FREE MEMORY PAGE HINTING BY VIRTUAL MACHINES", +US Publication No. 20210303356 titled "FLEXIBLE REVERSE BALLOONING FOR NESTED VIRTUAL MACHINES", +US Publication No. 20210342260 titled "INDIRECT INTERFACE FOR VIRTUAL MACHINE FREE PAGE HINTING" +as well as unpublished patent applications titled +"MEMORY BALLOONING RELATED MEMORY ALLOCATION TECHNIQUES FOR VIRTUAL MACHINES" +and +"NON FRAGMENTING MEMORY BALLOONING" +are relevant to section "Traditional Memory Balloon Device" of the Virtual I/O +Device (VIRTIO) specification. + +Should one of these patent applications be issued as a patent, and be +identified as essential to the compliant implementation of an OASIS Standards +Final Deliverable produced by the VIRTIO TC, Red Hat will operate, as specified +by the VIRTIO TC, under the Non-Assertion Mode TC Requirements described in +section 10.3 of the OASIS IPR Policy (as of the date of this disclosure). + #### Statement regarding IPR, submitted by Red Hat, Jan 29, 2019 Red Hat has filed several United States patent applications that might become @@ -30,6 +132,106 @@ Final Deliverable produced by the VIRTIO TC, Red Hat will operate, as specified by the VIRTIO TC, under the Non-Assertion Mode TC Requirements described in section 10.3 of the OASIS IPR Policy (as of the date of this disclosure). +#### Statement regarding IPR, submitted by Red Hat, April 6, 2022 + +Red Hat has filed several United States patent applications that might become +essential to an OASIS Standards Final Deliverable. + +US Publication No. 20190243677 titled "MEMORY DEDUPLICATION BASED ON GUEST PAGE HINTS", +US Publication No. 20200278878 titled "RESETTING PERSISTENT BALLOON MEMORY FOR FRAGMENTATION REDUCTION", +US Publication No. 20210182191 titled "FREE MEMORY PAGE HINTING BY VIRTUAL MACHINES", +US Publication No. 20210303356 titled "FLEXIBLE REVERSE BALLOONING FOR NESTED VIRTUAL MACHINES", +US Publication No. 20210342260 titled "INDIRECT INTERFACE FOR VIRTUAL MACHINE FREE PAGE HINTING" +as well as unpublished patent applications titled +"MEMORY BALLOONING RELATED MEMORY ALLOCATION TECHNIQUES FOR VIRTUAL MACHINES" +and +"NON FRAGMENTING MEMORY BALLOONING" +are relevant to section "Traditional Memory Balloon Device" of the Virtual I/O +Device (VIRTIO) specification. + +Should one of these patent applications be issued as a patent, and be +identified as essential to the compliant implementation of an OASIS Standards +Final Deliverable produced by the VIRTIO TC, Red Hat will operate, as specified +by the VIRTIO TC, under the Non-Assertion Mode TC Requirements described in +section 10.3 of the OASIS IPR Policy (as of the date of this disclosure). + +#### Statement regarding IPR, submitted by Red Hat, April 6, 2022 + +Red Hat has filed several United States patent applications that might become +essential to an OASIS Standards Final Deliverable. + + +US Publication No. 20210342279 titled "NON-INTERRUPTING PORTABLE PAGE REQUEST INTERFACE" +and an unpublished patent application titled +"IMPROVING MEMORY ACCESS HANDLING FOR PERIPHERAL COMPONENT INTERCONNECT DEVICES" +are relevant to section "Virtio Over PCI Bus" of the Virtual I/O +Device (VIRTIO) specification. + +Should one of these patent applications be issued as a patent, and be +identified as essential to the compliant implementation of an OASIS Standards +Final Deliverable produced by the VIRTIO TC, Red Hat will operate, as specified +by the VIRTIO TC, under the Non-Assertion Mode TC Requirements described in +section 10.3 of the OASIS IPR Policy (as of the date of this disclosure). + +#### Statement regarding IPR, submitted by Red Hat, April 6, 2022 + +Red Hat has filed several United States patent applications that might become +essential to an OASIS Standards Final Deliverable. + + +US Publication No. 20210294686 titled "FAST MEMORY MAPPED IO SUPPORT BY REGISTER SWITCH", +US Publication No. 20210342176 titled "HYPERCALL ACCELERATION FOR NESTED VIRTUAL MACHINES", +US Publication No. 20210342466 titled "SECURE MODULAR DEVICES" +and +US Publication No. 20210357339 titled "EFFICIENT MANAGEMENT OF BUS BANDWIDTH FOR MULTIPLE DRIVERS" +are relevant to section "Virtio Transport Options" of the Virtual I/O +Device (VIRTIO) specification. + +Should one of these patent applications be issued as a patent, and be +identified as essential to the compliant implementation of an OASIS Standards +Final Deliverable produced by the VIRTIO TC, Red Hat will operate, as specified +by the VIRTIO TC, under the Non-Assertion Mode TC Requirements described in +section 10.3 of the OASIS IPR Policy (as of the date of this disclosure). + +#### Statement regarding IPR, submitted by Red Hat, April 6, 2022 + +Red Hat has filed several United States patent applications that might become +essential to an OASIS Standards Final Deliverable. + +US Publication No. 20210342272 titled "MEMORY PAGE FAULT HANDLING FOR NETWORK INTERFACE DEVICES IN A VIRTUALIZED ENVIRONMENT" +as well as an unpublished patent application titled +"PAGE FAULT SUPPORT FOR VIRTUAL MACHINE NETWORK ACCELERATORS" +are relevant to sections "Virtqueues" and "Network Device" of the Virtual I/O +Device (VIRTIO) specification. + +Should one of these patent applications be issued as a patent, and be +identified as essential to the compliant implementation of an OASIS Standards +Final Deliverable produced by the VIRTIO TC, Red Hat will operate, as specified +by the VIRTIO TC, under the Non-Assertion Mode TC Requirements described in +section 10.3 of the OASIS IPR Policy (as of the date of this disclosure). + +#### Statement regarding IPR, submitted by Red Hat, April 6, 2022 + +Red Hat has filed several United States patent applications that might become +essential to an OASIS Standards Final Deliverable. + +US Publication No. 20210019261 titled "MEMORY CACHE-LINE BOUNCE REDUCTION FOR POINTER RING STRUCTURES", +US Publication No. 20210089307 titled "FAST DESCRIPTOR ACCESS FOR VIRTUAL NETWORK DEVICES" +as well as unpublished patent applications titled +"A SYSTEM TO USE DESCRIPTOR RINGS FOR I/O COMMUNICATION", +"EFFICIENT OUT OF ORDER REQUEST COMPLETION", +"MEMORY EFFICIENT VIRTUAL ADDRESS MANAGEMENT FOR SYSTEM CALLS" +and +"REVERSE ORDER QUEUE UPDATES BY VIRTUAL DEVICES" +are relevant to section "Virtqueues" of the Virtual I/O Device (VIRTIO) +specification. + +Should one of these patent applications be issued as a patent, and be +identified as essential to the compliant implementation of an OASIS Standards +Final Deliverable produced by the VIRTIO TC, Red Hat will operate, as specified +by the VIRTIO TC, under the Non-Assertion Mode TC Requirements described in +section 10.3 of the OASIS IPR Policy (as of the date of this disclosure). + #### Statement regarding IPR, submitted by Red Hat, Jan 29, 2019 Red Hat has filed several United States patent applications that might become -- MST
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