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131 lines
4.9 KiB
Plaintext
131 lines
4.9 KiB
Plaintext
This file contains a list of changes and additions to the API/ABI that
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might affect cross-OS compatibility or otherwise impact OS
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implementations, in particular any changes to hypervisor interfaces and
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the inter-domain protocols. When making such a change you are expected
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to add it here (bonus points for a link to fuller documentation). New
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entries should be part of the patch making the change (so the history of
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this file will give the relevant changeset), added to the top of the
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file, and in a format like:
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2008-01-08 Add ChangeLog file
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Add a ChangeLog file indicating changes to the API/ABI, as discussed
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here:
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http://lists.xensource.com/archives/html/xen-devel/2008-01/msg00010.html
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Xen 3.3 release
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---------------
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17974: PHYSDEVOP_manage_pci_add/PHYSDEVOP_manage_pci_remove
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http://xenbits.xensource.com/xen-unstable.hg?rev/183ca809e1d7
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17903: Add greater than 16 xvd device availability
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http://xenbits.xensource.com/xen-unstable.hg?rev/0728459b3c8d
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The tools can now attach a disk of the form:
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(1<<28) | (device<<8) | partition
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to support many more xvd disks and up to 256 partitions.
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The linux guest frontend has been expanded to support
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this new construct, while legacy guests should just ignore it.
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17538: Add XENPF_set_processor_pminfo
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http://xenbits.xensource.com/xen-unstable.hg?rev/5bb9093eb0e9
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17537: Add MSI support
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http://xenbits.xensource.com/xen-unstable.hg?rev/ad55c06c9bbc
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17524: Add DOMCTL_set_cpuid to configure guest CPUID on x86 systems.
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http://xenbits.xensource.com/xen-unstable.hg?rev/18727843db60
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17336: Add platform capabilities field to XEN_SYSCTL_physinfo
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http://xenbits.xensource.com/xen-unstable.hg?rev/250606290439
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17289: PV framebuffer dynamic resolution facility
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http://xenbits.xensource.com/xen-unstable.hg?rev/d97e61001d81
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Guest may send XENFB_TYPE_RESIZE if feature-resize=1 in
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xenstore of the backend VNC server. VNC server code sets
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feature-resize if it can handle the resize request.
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16857: XS_SET_TARGET
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http://xenbits.xensource.com/xen-unstable.hg?rev/26fc953a89bb
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New xenstore command to allow an arbitrary domain to inherit the
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privileges of another (in addition to its own).
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16856: XEN_DOMCTL_set_target
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http://xenbits.xensource.com/xen-unstable.hg?rev/cff4c8a1aa28
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New domctl command to give an arbitrary domain dom0-magnitude privileges
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over an arbitrary other.
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16725: XENFEAT_mmu_pt_update_reserve_ad
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http://xenbits.xensource.com/xen-unstable.hg?rev/847bc9b19c48
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New feature flag available via the version hypercall indicates whether the
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Xen host supports MMU_PT_UPDATE_PRESERVE_AD for this guest.
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16724: CPUID feature flag for MMU_PT_UPDATE_PRESERVE_AD hypercall
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http://xenbits.xensource.com/xen-unstable.hg?rev/a66bdc82d8fa
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The x86 CPUID_4000_0002_ECX[0] flag indicates whether the Xen host
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supports MMU_PT_UPDATE_PRESERVE_AD for this guest.
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16718: MMU_PT_UPDATE_PRESERVE_AD
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http://xenbits.xensource.com/xen-unstable.hg?rev/fba4e7357744
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A subcommand of the x86-only mmu_update() hypercall to allow batched
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updates of pagetable entries, while atomically preserving the current
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status of accessed and dirty bits in each entry.
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Xen 3.2 release
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---------------
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16592: XEN_DOMCTL_test_assign_device
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http://xenbits.xensource.com/xen-unstable.hg?rev/ef83b50fc4a4
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Test VT-d device assignability in xend. If VT-d is not enabled, or the
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device is not exist, or the device has already been assigned to other
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domain, it fails and quits the domain creation.
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16549: GNTST_address_too_big
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http://xenbits.xensource.com/xen-unstable.hg?rev/baf90ee3c1da
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32-on-64 related additional error return.
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16512: XEN_DOMCTL_set_opt_feature
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http://xenbits.xensource.com/xen-unstable.hg?rev/1de4e5056394
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Allows the domain builder to set optimization features for a guest. This
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is currently only used by the IA64 domain builder to identify identity
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mapped regions based on the guest_os_type specified in the domain config
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file. Other architectures may extend this domctl to enable features
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specific to their architecture.
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16504: flush cache disk op
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http://xenbits.xensource.com/xen-unstable.hg?rev/ebfb3b26010d
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Adds a BLKIF_OP_FLUSH_DISKCACHE request. The backend is expected to ask
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underlying storage to flush its cache upon receiving this request.
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Backend advertises availability via 'feature-flush-cache' xenstore node.
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Needed for correct behaviour of disk-cache-aware filesystems such as
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ZFS.
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16425: multicast notifications
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http://xenbits.xensource.com/xen-unstable.hg?rev/d3041196ae69
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Adds XEN_NETIF_EXTRA_TYPE_MCAST_ADD and XEN_NETIF_EXTRA_TYPE_MCAST_DEL
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operations to the networking driver, which it uses to request multicast
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addresses it's interested in. Available if the backend has
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'feature-multicast-control', requested by the frontend with
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'request-multicast-control'. Used by Solaris: this avoids having to
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always put the backend's underlying networking device into promiscuous
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mode.
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16402: gnttab page attributes
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http://xenbits.xensource.com/xen-unstable.hg?rev/2e5d922b7ee3
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Adds new grant tab flags for table entries.
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Older changes are not recorded further.
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