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virtio,pc,pci: features, cleanups, fixes
more memslots support in libvhost-user support PCIe Gen5/Gen6 link speeds in pcie more traces in vdpa network simulation devices support in vdpa SMBIOS type 9 descriptor implementation Bump max_cpus to 4096 vcpus in q35 aw-bits and granule options in VIRTIO-IOMMU Support report NUMA nodes for device memory using GI in acpi Beginning of shutdown event support in pvpanic fixes, cleanups all over the place. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmXw0TMPHG1zdEByZWRo YXQuY29tAAoJECgfDbjSjVRp8x4H+gLMoGwaGAX7gDGPgn2Ix4j/3kO77ZJ9X9k/ 1KqZu/9eMS1j2Ei+vZqf05w7qRjxxhwDq3ilEXF/+UFqgAehLqpRRB8j5inqvzYt +jv0DbL11PBp/oFjWcytm5CbiVsvq8KlqCF29VNzc162XdtcduUOWagL96y8lJfZ uPrOoyeR7SMH9lp3LLLHWgu+9W4nOS03RroZ6Umj40y5B7yR0Rrppz8lMw5AoQtr 0gMRnFhYXeiW6CXdz+Tzcr7XfvkkYDi/j7ibiNSURLBfOpZa6Y8+kJGKxz5H1K1G 6ZY4PBcOpQzl+NMrktPHogczgJgOK10t+1i/R3bGZYw2Qn/93Eg= =C0UU -----END PGP SIGNATURE----- Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging virtio,pc,pci: features, cleanups, fixes more memslots support in libvhost-user support PCIe Gen5/Gen6 link speeds in pcie more traces in vdpa network simulation devices support in vdpa SMBIOS type 9 descriptor implementation Bump max_cpus to 4096 vcpus in q35 aw-bits and granule options in VIRTIO-IOMMU Support report NUMA nodes for device memory using GI in acpi Beginning of shutdown event support in pvpanic fixes, cleanups all over the place. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # -----BEGIN PGP SIGNATURE----- # # iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmXw0TMPHG1zdEByZWRo # YXQuY29tAAoJECgfDbjSjVRp8x4H+gLMoGwaGAX7gDGPgn2Ix4j/3kO77ZJ9X9k/ # 1KqZu/9eMS1j2Ei+vZqf05w7qRjxxhwDq3ilEXF/+UFqgAehLqpRRB8j5inqvzYt # +jv0DbL11PBp/oFjWcytm5CbiVsvq8KlqCF29VNzc162XdtcduUOWagL96y8lJfZ # uPrOoyeR7SMH9lp3LLLHWgu+9W4nOS03RroZ6Umj40y5B7yR0Rrppz8lMw5AoQtr # 0gMRnFhYXeiW6CXdz+Tzcr7XfvkkYDi/j7ibiNSURLBfOpZa6Y8+kJGKxz5H1K1G # 6ZY4PBcOpQzl+NMrktPHogczgJgOK10t+1i/R3bGZYw2Qn/93Eg= # =C0UU # -----END PGP SIGNATURE----- # gpg: Signature made Tue 12 Mar 2024 22:03:31 GMT # gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469 # gpg: issuer "mst@redhat.com" # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full] # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full] # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (68 commits) docs/specs/pvpanic: document shutdown event hw/cxl: Fix missing reserved data in CXL Device DVSEC hmat acpi: Fix out of bounds access due to missing use of indirection hmat acpi: Do not add Memory Proximity Domain Attributes Structure targetting non existent memory. qemu-options.hx: Document the virtio-iommu-pci aw-bits option hw/arm/virt: Set virtio-iommu aw-bits default value to 48 hw/i386/q35: Set virtio-iommu aw-bits default value to 39 virtio-iommu: Add an option to define the input range width virtio-iommu: Trace domain range limits as unsigned int qemu-options.hx: Document the virtio-iommu-pci granule option virtio-iommu: Change the default granule to the host page size virtio-iommu: Add a granule property hw/i386/acpi-build: Add support for SRAT Generic Initiator structures hw/acpi: Implement the SRAT GI affinity structure qom: new object to associate device to NUMA node hw/i386/pc: Inline pc_cmos_init() into pc_cmos_init_late() and remove it hw/i386/pc: Set "normal" boot device order in pc_basic_device_init() hw/i386/pc: Avoid one use of the current_machine global hw/i386/pc: Remove "rtc_state" link again Revert "hw/i386/pc: Confine system flash handling to pc_sysfw" ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # hw/core/machine.c
This commit is contained in:
Peter Maydell
commit
6fc6931231
56 changed files with 1428 additions and 384 deletions
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@ -1839,7 +1839,9 @@ is sent by the front-end.
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When the ``VHOST_USER_PROTOCOL_F_SHARED_OBJECT`` protocol
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feature has been successfully negotiated, this message can be submitted
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by the backend to remove themselves from to the virtio-dmabuf shared
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table API. The shared table will remove the back-end device associated with
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table API. Only the back-end owning the entry (i.e., the one that first added
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it) will have permission to remove it. Otherwise, the message is ignored.
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The shared table will remove the back-end device associated with
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the UUID. If ``VHOST_USER_PROTOCOL_F_REPLY_ACK`` is negotiated, and the
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back-end sets the ``VHOST_USER_NEED_REPLY`` flag, the front-end must respond
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with zero when operation is successfully completed, or non-zero otherwise.
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@ -29,6 +29,8 @@ bit 1
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a guest panic has happened and will be handled by the guest;
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the host should record it or report it, but should not affect
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the execution of the guest.
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bit 2
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a regular guest shutdown has happened and should be processed by the host
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PCI Interface
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-------------
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@ -99,3 +99,4 @@ Emulated Devices
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devices/canokey.rst
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devices/usb-u2f.rst
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devices/igb.rst
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devices/vdpa-net.rst
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121
docs/system/devices/vdpa-net.rst
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121
docs/system/devices/vdpa-net.rst
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@ -0,0 +1,121 @@
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vdpa net
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============
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This document explains the setup and usage of the vdpa network device.
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The vdpa network device is a paravirtualized vdpa emulate device.
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Description
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-----------
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VDPA net devices support dirty page bitmap mark and vring state saving and recovery.
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Users can use this VDPA device for live migration simulation testing in a nested virtualization environment.
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Registers layout
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----------------
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The vdpa device add live migrate registers layout as follow::
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Offset Register Name Bitwidth Associated vq
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0x0 LM_LOGGING_CTRL 4bits
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0x10 LM_BASE_ADDR_LOW 32bits
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0x14 LM_BASE_ADDR_HIGH 32bits
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0x18 LM_END_ADDR_LOW 32bits
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0x1c LM_END_ADDR_HIGH 32bits
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0x20 LM_RING_STATE_OFFSET 32bits vq0
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0x24 LM_RING_STATE_OFFSET 32bits vq1
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0x28 LM_RING_STATE_OFFSET 32bits vq2
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......
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0x20+1023*4 LM_RING_STATE_OFFSET 32bits vq1023
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These registers are extended at the end of the notify bar space.
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Architecture diagram
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--------------------
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::
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|------------------------------------------------------------------------|
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| guest-L1-user-space |
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| |
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| |----------------------------------------|
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| | [virtio-net driver] |
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| | ^ guest-L2-src(iommu=on) |
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| |--------------|-------------------------|
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| | | qemu-L2-src(viommu) |
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| [dpdk-vdpa]<->[vhost socket]<-+->[vhost-user backend(iommu=on)] |
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--------------------------------------------------------------------------
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--------------------------------------------------------------------------
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| ^ guest-L1-kernel-space |
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| | |
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| [VFIO] |
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| ^ |
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| | guest-L1-src(iommu=on) |
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--------|-----------------------------------------------------------------
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--------|-----------------------------------------------------------------
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| [vdpa net device(iommu=on)] [manager nic device] |
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| | | |
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| [tap device] qemu-L1-src(viommu) | |
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------------------------------------------------+-------------------------
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--------------------- |
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| kernel net bridge |<-----
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| virbr0 |<----------------------------------
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--------------------- |
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-------------------------------------------------------------------------- |
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| guest-L1-user-space | |
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| | |
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| |----------------------------------------| |
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| | [virtio-net driver] | |
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| | ^ guest-L2-dst(iommu=on) | |
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| |--------------|-------------------------| |
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| | | qemu-L2-dst(viommu) | |
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| [dpdk-vdpa]<->[vhost socket]<-+->[vhost-user backend(iommu=on)] | |
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-------------------------------------------------------------------------- |
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-------------------------------------------------------------------------- |
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| ^ guest-L1-kernel-space | |
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| [VFIO] | |
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| ^ | |
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| | guest-L1-dst(iommu=on) | |
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--------|----------------------------------------------------------------- |
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--------|----------------------------------------------------------------- |
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| [vdpa net device(iommu=on)] [manager nic device]----------------+----
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| | |
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| [tap device] qemu-L1-dst(viommu) |
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--------------------------------------------------------------------------
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Device properties
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-----------------
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The Virtio vdpa device can be configured with the following properties:
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* ``vdpa=on`` open vdpa device emulated.
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Usages
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--------
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This patch add virtio sriov support and vdpa live migrate support.
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You can open vdpa by set xml file as follow::
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<qemu:commandline xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
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<qemu:arg value='-device'/>
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<qemu:arg value='intel-iommu,intremap=on,device-iotlb=on,aw-bits=48'/>
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<qemu:arg value='-netdev'/>
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<qemu:arg value='tap,id=hostnet1,script=no,downscript=no,vhost=off'/>
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<qemu:arg value='-device'/>
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<qemu:arg value='virtio-net-pci,netdev=hostnet1,id=net1,mac=56:4a:b7:4f:4d:a9,bus=pci.6,addr=0x0,iommu_platform=on,ats=on,vdpa=on'/>
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</qemu:commandline>
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Limitations
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-----------
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1. Dependent on tap device with param ``vhost=off``.
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2. Nested virtualization environment only supports ``q35`` machines.
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3. Current only support split vring live migrate.
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