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Update to 1.3.0 Changelog: QMP The sendkey monitor command is now available via QMP. All targets QEMU can now use the Linux VFIO driver to assign PCI devices to a virtual machine. The bus master configuration bit for PCI devices is now emulated. PCI devices cannot anymore perform DMA without setting the bit before. This may break firmware that wasn't tested on real hardware. MIPS Loongson Multimedia Instructions are now implemented. MIPS32/64 ASE DSP Instructions are now implemented. x86 The TSC frequency can be larger than 2.147 GHz. Configuration files do not support anymore the cpudef section. TCG (emulation) supports the SMEP (Supervisor Mode Execution Prevention) and SMAP (Supervisor Mode Access Prevention) features of newer x86 processors. CPUID/models? The "cpudef" config file section is now deprecated and will be removed in v1.4. New CPU models: "Haswell" (new features: fma, pcid, movbe, fsgsbase, bmi1, hle, avx2, smep, bmi2, erms, invpcid, rtm) and "Opteron_G5" (new features: tbm, f16c, fma) Added Intel Q35 chipset as a new machine type, '--machine q35'. Adds PCIe support. Requires an updated SeaBIOS (bios.bin), and '-acpitable file=/seabios-path/q35-acpi-dsdt.aml' to run. Xtensa Single precision floating point instructions are now implemented. Device emulation Emulation of the MC146818 real-time clock (used on PC and several other boards) does not wake up QEMU anymore every second to update the clock. USB3 has been vastly improved, including support for USB mass storage devices and MSI/MSI-X support for the XHCI controller. USB redirection now supports live migration. Several bugs in the AHCI controller were fixed to support recent Windows versions. ivshmem now has a "use64" property which will make the ivshmem driver register a 64-bit memory BAR. New paravirtualized hardware random number generator device, VirtIORNG. Network devices Some problems were fixed leading to bad receive performance of E1000 and Xen network cards. Block devices qemu-img now can output information in JSON format using "qemu-img info --output=json". Glusterfs volumes can be accessed with "gluster://" URIs for "-drive" and similar options. Optionally the transport can also be specified, as in "gluster+tcp://" (other supported transports are "unix" and "rdma"). Options on the QMP streaming command direct the job to pause on encountering errors, or to ignore them altogether. A new block job is supported: live block commit (also known as "snapshot deletion") moves data from an image to another in the backing file chain. With the current implementation of QEMU 1.3, the "source" image may not be the active one. A new block job is supported: live disk mirroring (also known as "storage migration") moves data from an image to another. A new command "block-job-complete" is used to switch the VM to use the destination image exclusively. Block jobs can now be paused and resumed from the monitor. NBD block devices can now be specified using URI syntax. "nbd://" defaults to TCP transport, while "nbd+tcp://" and "nbd+unix://" can be used (similar to Gluster) to specify it. URI syntax simplifies access to named exports; the export name is simply the "path" component of the URI. NBD connections to Unix sockets support relative paths. QEMU embeds an NBD server, accessible via the monitor. The NBD server allows live access to the image seen by the VM. Note that the embedded server uses "named exports", which QEMU can access using the "nbd://host:port/name" syntax. Windows hosts support asynchronous disk I/O. Live Migration, Save/Restore The "stop" and "cont" commands have new semantics on the destination machine during migration. Previously, the outcome depended on whether the commands were issued before or after the source connected to the destination QEMU: in particular, "cont" would fail if issued before connection, and "undo" the effect of the -S command-line option if issued after. Starting from this version, the effect of "stop" and "cont" will always take place at the end of migration (overriding the presence or absence of the -S option) and "cont" will never fail. This change should be transparent, since the old behavior was usually subject to a race condition. The monitor now remains responsive during incoming migration. The new NBD server is also available during incoming migration. Spice QEMU will only send changed screen content to the Spice client when running in legacy VGA mode. Seamless migration support. Composite QXL commands (for linux guests). Multiple monitors on a single pci device. Arbitrary resolution support. Device based monitor configuration notification (for future drivers). various bug fixes and assertion removals in favor of a guest_bug mode. require spice-server >= 0.12.0 KVM QEMU now supports "old-style" PCI device assignment, which was the last missing feature from the qemu-kvm fork. Despite some remaining minor differences between qemu-kvm and QEMU, it is possible to switch from qemu-kvm to QEMU as soon as your guests can be rebooted. Live migration from qemu-kvm 1.2 to QEMU 1.3 is not supported, but can be enabled easily by downstream distributions who want to switch their packages from qemu-kvm to QEMU. Xen QEMU can now be used to live-migrate Xen domains. SLIRP SLIRP's TFTP server has improved performance, can transmit files bigger than 32 MB, and supports the block size option. Guest agent The guest agent will now store the state file in /var/run by default. Host support SPARCv7 and v8 support was removed. Build dependencies QEMU can now be built with Clang. QEMU now uses pixman. QEMU configure will detect and use a system pixman if the development headers are ailable (they should be available for most recent Linux distros). As a fallback, we provide an internal copy of the pixman sources which will be used if there is no set of system pixman libraries. Compiling these will require autoconf. Compiling QEMU ver 0.12 or better.
2013-01-24 18:52:01 +01:00
$NetBSD: distinfo,v 1.80 2013/01/24 17:52:01 ryoon Exp $
Initial import of qemu-0.6.0 from pkgsrc-wip, packaged by David Holland. QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed, QEMU has two operating modes: * Full system emulation. In this mode, QEMU emulates a full system (for example a PC), including a processor and various peripherals. It can be used to launch different Operating Systems without rebooting the PC or to debug system code. * User mode emulation (Linux host only). In this mode, QEMU can launch Linux processes compiled for one CPU on another CPU. It can be used to launch the Wine Windows API emulator or to ease cross-compilation and cross-debugging. -- It's nice to see NetBSD/x86 running perfectly with QEMU!
2004-11-09 14:05:33 +01:00
Update to 1.3.0 Changelog: QMP The sendkey monitor command is now available via QMP. All targets QEMU can now use the Linux VFIO driver to assign PCI devices to a virtual machine. The bus master configuration bit for PCI devices is now emulated. PCI devices cannot anymore perform DMA without setting the bit before. This may break firmware that wasn't tested on real hardware. MIPS Loongson Multimedia Instructions are now implemented. MIPS32/64 ASE DSP Instructions are now implemented. x86 The TSC frequency can be larger than 2.147 GHz. Configuration files do not support anymore the cpudef section. TCG (emulation) supports the SMEP (Supervisor Mode Execution Prevention) and SMAP (Supervisor Mode Access Prevention) features of newer x86 processors. CPUID/models? The "cpudef" config file section is now deprecated and will be removed in v1.4. New CPU models: "Haswell" (new features: fma, pcid, movbe, fsgsbase, bmi1, hle, avx2, smep, bmi2, erms, invpcid, rtm) and "Opteron_G5" (new features: tbm, f16c, fma) Added Intel Q35 chipset as a new machine type, '--machine q35'. Adds PCIe support. Requires an updated SeaBIOS (bios.bin), and '-acpitable file=/seabios-path/q35-acpi-dsdt.aml' to run. Xtensa Single precision floating point instructions are now implemented. Device emulation Emulation of the MC146818 real-time clock (used on PC and several other boards) does not wake up QEMU anymore every second to update the clock. USB3 has been vastly improved, including support for USB mass storage devices and MSI/MSI-X support for the XHCI controller. USB redirection now supports live migration. Several bugs in the AHCI controller were fixed to support recent Windows versions. ivshmem now has a "use64" property which will make the ivshmem driver register a 64-bit memory BAR. New paravirtualized hardware random number generator device, VirtIORNG. Network devices Some problems were fixed leading to bad receive performance of E1000 and Xen network cards. Block devices qemu-img now can output information in JSON format using "qemu-img info --output=json". Glusterfs volumes can be accessed with "gluster://" URIs for "-drive" and similar options. Optionally the transport can also be specified, as in "gluster+tcp://" (other supported transports are "unix" and "rdma"). Options on the QMP streaming command direct the job to pause on encountering errors, or to ignore them altogether. A new block job is supported: live block commit (also known as "snapshot deletion") moves data from an image to another in the backing file chain. With the current implementation of QEMU 1.3, the "source" image may not be the active one. A new block job is supported: live disk mirroring (also known as "storage migration") moves data from an image to another. A new command "block-job-complete" is used to switch the VM to use the destination image exclusively. Block jobs can now be paused and resumed from the monitor. NBD block devices can now be specified using URI syntax. "nbd://" defaults to TCP transport, while "nbd+tcp://" and "nbd+unix://" can be used (similar to Gluster) to specify it. URI syntax simplifies access to named exports; the export name is simply the "path" component of the URI. NBD connections to Unix sockets support relative paths. QEMU embeds an NBD server, accessible via the monitor. The NBD server allows live access to the image seen by the VM. Note that the embedded server uses "named exports", which QEMU can access using the "nbd://host:port/name" syntax. Windows hosts support asynchronous disk I/O. Live Migration, Save/Restore The "stop" and "cont" commands have new semantics on the destination machine during migration. Previously, the outcome depended on whether the commands were issued before or after the source connected to the destination QEMU: in particular, "cont" would fail if issued before connection, and "undo" the effect of the -S command-line option if issued after. Starting from this version, the effect of "stop" and "cont" will always take place at the end of migration (overriding the presence or absence of the -S option) and "cont" will never fail. This change should be transparent, since the old behavior was usually subject to a race condition. The monitor now remains responsive during incoming migration. The new NBD server is also available during incoming migration. Spice QEMU will only send changed screen content to the Spice client when running in legacy VGA mode. Seamless migration support. Composite QXL commands (for linux guests). Multiple monitors on a single pci device. Arbitrary resolution support. Device based monitor configuration notification (for future drivers). various bug fixes and assertion removals in favor of a guest_bug mode. require spice-server >= 0.12.0 KVM QEMU now supports "old-style" PCI device assignment, which was the last missing feature from the qemu-kvm fork. Despite some remaining minor differences between qemu-kvm and QEMU, it is possible to switch from qemu-kvm to QEMU as soon as your guests can be rebooted. Live migration from qemu-kvm 1.2 to QEMU 1.3 is not supported, but can be enabled easily by downstream distributions who want to switch their packages from qemu-kvm to QEMU. Xen QEMU can now be used to live-migrate Xen domains. SLIRP SLIRP's TFTP server has improved performance, can transmit files bigger than 32 MB, and supports the block size option. Guest agent The guest agent will now store the state file in /var/run by default. Host support SPARCv7 and v8 support was removed. Build dependencies QEMU can now be built with Clang. QEMU now uses pixman. QEMU configure will detect and use a system pixman if the development headers are ailable (they should be available for most recent Linux distros). As a fallback, we provide an internal copy of the pixman sources which will be used if there is no set of system pixman libraries. Compiling these will require autoconf. Compiling QEMU ver 0.12 or better.
2013-01-24 18:52:01 +01:00
SHA1 (qemu-1.3.0.tar.bz2) = ed56e8717308a56f51a6ed4c18a4335e5aacae83
RMD160 (qemu-1.3.0.tar.bz2) = 70bbc3856604fe434d246bec8cd45beb4ee52d5b
Size (qemu-1.3.0.tar.bz2) = 10286423 bytes
Update to QEMU 1.2.0 Changes since version 1.1.1: System emulation All targets * ... QMP error changes go here ... * File descriptors can be passed to qemu using the new add-fd/remove-fd QMP commands. It is intended that they can be used in any place where QEMU would expect a file name. This is ensured for disk images, support in other parts of QEMU may still be inconsistent. ARM * LPAE (large physical address extensions) are now supported for the Cortex-A15 CPU; you can now run a vexpress-a15 model with more than 4GB of RAM * The new monitor command "dump-guest-memory" creates an ELF dump of the guest memory. * New board model: i.MX31 PowerPC * The pSeries target correctly creates segment size device tree nodes (fixes odd bugs with HV vs PR KVM) * The pSeries target implements an IOMMU. * ... pSeries VGA, USB, etc.? ... * The E500 target generates its device tree dynamically * New mpc8544ds -machine option: dumpdtb. This allows to dump the dynamically generated device tree to a file. * Emulation for e5500 cores * PC87312 Super I/O chipset emulation for PReP, adding parallel port to prep machine x86 * Support for PCI passthrough is available for Xen fully-virtualized domains. * The new monitor command "dump-guest-memory" creates an ELF dump of the guest memory. * When using KVM, the in-kernel APIC supports MSI. * Also when using KVM, new PV EOI feature improves performance when both host and guest run linux 3.6-rc1 and up. To enable, add +kvm_pv_eoi to -cpu option, e.g. -cpu kvm64,+kvm_pv_eoi * The "cpudef" config file section is being deprecated and may be removed in v1.3. Device emulation * VGA and QXL cards (obtained with -vga std and -vga qxl) have 16 MB of VRAM rather than 8 MB. * Three new SCSI host bus adapter devices are available: am53c974 and dc390 emulate respectively an AMD PCI PCscsi and a Tekram DC-390 device, both of which are supported on older operating systems including MS DOS 6.2, MS Windows 3.11, 98 SE, NT 3.1 and NT 4.0. megasas emulated an LSI SAS1078 RAID controller. The next version of SeaBIOS will support booting from am53c974 and dc390 disks. * An USB-attached SCSI controller is now available. Audio devices * The PC speaker audio card is now available by default. Network devices * The guestfwd argument to slirp now supports running an arbitrary command on every TCP connection (as in inetd). This is invoked by specifying a target that starts with "cmd:". Block devices * Emulated IDE and SCSI as well as virtio-blk devices can now switch the cache mode between writethrough and writeback. virtio-blk automatically switches to writethrough if the guest driver doesn't support flushes. * The default cache mode for images is now writeback. * Emulated SCSI devices can be given a custom vendor name, product name and WWN. * Improved support for passthrough of SCSI tapes and media changers. * libiscsi can be used together with scsi-generic to pass iSCSI tapes and media changers to the guest. * When raw files are streamed, parts of the files that are holes in the underlying filesystem are treated as unallocated (as long as the OS supports either the FIEMAP ioctl or the SEEK_HOLE/SEEK_DATA modes) * CD-ROM drives can now be used with AHCI qcow2 * qcow2 images support a new option, lazy_refcounts. If on, the speed of cache=writethrough mode will be improved, at the cost of requiring an fsck-like pass (and thus QEMU 1.2) to use the image again after a power loss. * qemu-img check can now repair qcow2 and QED images with the new -r option. VMDK * Support for images in the streamOptimized subformat has been fixed. This is a VMDK subformat commonly used with OVF appliances. rbd * rbd no longer ignores the cache setting Live Migration, Save/Restore * Migration works much better with guests with large memory. * USB mass storage and passthrough devices support live migration. VNC * The threaded VNC server is now enabled by default. Guest agent * A new command "fstrim" was added to the guest agent. New targets * OpenRISC is now supported for both user-mode and system emulation.
2012-09-11 19:13:44 +02:00
SHA1 (patch-configure) = 34ae5e65bc5beb45637303a02c42e9ede33564b6
SHA1 (patch-ef) = fd9f0ca22b1f3c3950a0ea69ba32252265d2285a
SHA1 (patch-eg) = 4be8e74d134e0736fa65977d885a9dd3b12e653b
SHA1 (patch-eh) = 02ada323ac9ba0acf8e4d0746bc7d58abb24b288
SHA1 (patch-en) = a2fdf12d46cb25004f5f0f6b3e187c59863e3b20
Update to 1.3.0 Changelog: QMP The sendkey monitor command is now available via QMP. All targets QEMU can now use the Linux VFIO driver to assign PCI devices to a virtual machine. The bus master configuration bit for PCI devices is now emulated. PCI devices cannot anymore perform DMA without setting the bit before. This may break firmware that wasn't tested on real hardware. MIPS Loongson Multimedia Instructions are now implemented. MIPS32/64 ASE DSP Instructions are now implemented. x86 The TSC frequency can be larger than 2.147 GHz. Configuration files do not support anymore the cpudef section. TCG (emulation) supports the SMEP (Supervisor Mode Execution Prevention) and SMAP (Supervisor Mode Access Prevention) features of newer x86 processors. CPUID/models? The "cpudef" config file section is now deprecated and will be removed in v1.4. New CPU models: "Haswell" (new features: fma, pcid, movbe, fsgsbase, bmi1, hle, avx2, smep, bmi2, erms, invpcid, rtm) and "Opteron_G5" (new features: tbm, f16c, fma) Added Intel Q35 chipset as a new machine type, '--machine q35'. Adds PCIe support. Requires an updated SeaBIOS (bios.bin), and '-acpitable file=/seabios-path/q35-acpi-dsdt.aml' to run. Xtensa Single precision floating point instructions are now implemented. Device emulation Emulation of the MC146818 real-time clock (used on PC and several other boards) does not wake up QEMU anymore every second to update the clock. USB3 has been vastly improved, including support for USB mass storage devices and MSI/MSI-X support for the XHCI controller. USB redirection now supports live migration. Several bugs in the AHCI controller were fixed to support recent Windows versions. ivshmem now has a "use64" property which will make the ivshmem driver register a 64-bit memory BAR. New paravirtualized hardware random number generator device, VirtIORNG. Network devices Some problems were fixed leading to bad receive performance of E1000 and Xen network cards. Block devices qemu-img now can output information in JSON format using "qemu-img info --output=json". Glusterfs volumes can be accessed with "gluster://" URIs for "-drive" and similar options. Optionally the transport can also be specified, as in "gluster+tcp://" (other supported transports are "unix" and "rdma"). Options on the QMP streaming command direct the job to pause on encountering errors, or to ignore them altogether. A new block job is supported: live block commit (also known as "snapshot deletion") moves data from an image to another in the backing file chain. With the current implementation of QEMU 1.3, the "source" image may not be the active one. A new block job is supported: live disk mirroring (also known as "storage migration") moves data from an image to another. A new command "block-job-complete" is used to switch the VM to use the destination image exclusively. Block jobs can now be paused and resumed from the monitor. NBD block devices can now be specified using URI syntax. "nbd://" defaults to TCP transport, while "nbd+tcp://" and "nbd+unix://" can be used (similar to Gluster) to specify it. URI syntax simplifies access to named exports; the export name is simply the "path" component of the URI. NBD connections to Unix sockets support relative paths. QEMU embeds an NBD server, accessible via the monitor. The NBD server allows live access to the image seen by the VM. Note that the embedded server uses "named exports", which QEMU can access using the "nbd://host:port/name" syntax. Windows hosts support asynchronous disk I/O. Live Migration, Save/Restore The "stop" and "cont" commands have new semantics on the destination machine during migration. Previously, the outcome depended on whether the commands were issued before or after the source connected to the destination QEMU: in particular, "cont" would fail if issued before connection, and "undo" the effect of the -S command-line option if issued after. Starting from this version, the effect of "stop" and "cont" will always take place at the end of migration (overriding the presence or absence of the -S option) and "cont" will never fail. This change should be transparent, since the old behavior was usually subject to a race condition. The monitor now remains responsive during incoming migration. The new NBD server is also available during incoming migration. Spice QEMU will only send changed screen content to the Spice client when running in legacy VGA mode. Seamless migration support. Composite QXL commands (for linux guests). Multiple monitors on a single pci device. Arbitrary resolution support. Device based monitor configuration notification (for future drivers). various bug fixes and assertion removals in favor of a guest_bug mode. require spice-server >= 0.12.0 KVM QEMU now supports "old-style" PCI device assignment, which was the last missing feature from the qemu-kvm fork. Despite some remaining minor differences between qemu-kvm and QEMU, it is possible to switch from qemu-kvm to QEMU as soon as your guests can be rebooted. Live migration from qemu-kvm 1.2 to QEMU 1.3 is not supported, but can be enabled easily by downstream distributions who want to switch their packages from qemu-kvm to QEMU. Xen QEMU can now be used to live-migrate Xen domains. SLIRP SLIRP's TFTP server has improved performance, can transmit files bigger than 32 MB, and supports the block size option. Guest agent The guest agent will now store the state file in /var/run by default. Host support SPARCv7 and v8 support was removed. Build dependencies QEMU can now be built with Clang. QEMU now uses pixman. QEMU configure will detect and use a system pixman if the development headers are ailable (they should be available for most recent Linux distros). As a fallback, we provide an internal copy of the pixman sources which will be used if there is no set of system pixman libraries. Compiling these will require autoconf. Compiling QEMU ver 0.12 or better.
2013-01-24 18:52:01 +01:00
SHA1 (patch-et) = 019de3390becbf629f4158f6ea0326ccdb9bc28f
SHA1 (patch-hw_ppc__newworld.c) = 9f8f337e7619444ceaf80a2bccf5a9545f6bc991
SHA1 (patch-hw_ppc__oldworld.c) = a77c01a03afb9e5d4aef4d85a7585bb77d8fdd6a
Update to QEMU 1.2.0 Changes since version 1.1.1: System emulation All targets * ... QMP error changes go here ... * File descriptors can be passed to qemu using the new add-fd/remove-fd QMP commands. It is intended that they can be used in any place where QEMU would expect a file name. This is ensured for disk images, support in other parts of QEMU may still be inconsistent. ARM * LPAE (large physical address extensions) are now supported for the Cortex-A15 CPU; you can now run a vexpress-a15 model with more than 4GB of RAM * The new monitor command "dump-guest-memory" creates an ELF dump of the guest memory. * New board model: i.MX31 PowerPC * The pSeries target correctly creates segment size device tree nodes (fixes odd bugs with HV vs PR KVM) * The pSeries target implements an IOMMU. * ... pSeries VGA, USB, etc.? ... * The E500 target generates its device tree dynamically * New mpc8544ds -machine option: dumpdtb. This allows to dump the dynamically generated device tree to a file. * Emulation for e5500 cores * PC87312 Super I/O chipset emulation for PReP, adding parallel port to prep machine x86 * Support for PCI passthrough is available for Xen fully-virtualized domains. * The new monitor command "dump-guest-memory" creates an ELF dump of the guest memory. * When using KVM, the in-kernel APIC supports MSI. * Also when using KVM, new PV EOI feature improves performance when both host and guest run linux 3.6-rc1 and up. To enable, add +kvm_pv_eoi to -cpu option, e.g. -cpu kvm64,+kvm_pv_eoi * The "cpudef" config file section is being deprecated and may be removed in v1.3. Device emulation * VGA and QXL cards (obtained with -vga std and -vga qxl) have 16 MB of VRAM rather than 8 MB. * Three new SCSI host bus adapter devices are available: am53c974 and dc390 emulate respectively an AMD PCI PCscsi and a Tekram DC-390 device, both of which are supported on older operating systems including MS DOS 6.2, MS Windows 3.11, 98 SE, NT 3.1 and NT 4.0. megasas emulated an LSI SAS1078 RAID controller. The next version of SeaBIOS will support booting from am53c974 and dc390 disks. * An USB-attached SCSI controller is now available. Audio devices * The PC speaker audio card is now available by default. Network devices * The guestfwd argument to slirp now supports running an arbitrary command on every TCP connection (as in inetd). This is invoked by specifying a target that starts with "cmd:". Block devices * Emulated IDE and SCSI as well as virtio-blk devices can now switch the cache mode between writethrough and writeback. virtio-blk automatically switches to writethrough if the guest driver doesn't support flushes. * The default cache mode for images is now writeback. * Emulated SCSI devices can be given a custom vendor name, product name and WWN. * Improved support for passthrough of SCSI tapes and media changers. * libiscsi can be used together with scsi-generic to pass iSCSI tapes and media changers to the guest. * When raw files are streamed, parts of the files that are holes in the underlying filesystem are treated as unallocated (as long as the OS supports either the FIEMAP ioctl or the SEEK_HOLE/SEEK_DATA modes) * CD-ROM drives can now be used with AHCI qcow2 * qcow2 images support a new option, lazy_refcounts. If on, the speed of cache=writethrough mode will be improved, at the cost of requiring an fsck-like pass (and thus QEMU 1.2) to use the image again after a power loss. * qemu-img check can now repair qcow2 and QED images with the new -r option. VMDK * Support for images in the streamOptimized subformat has been fixed. This is a VMDK subformat commonly used with OVF appliances. rbd * rbd no longer ignores the cache setting Live Migration, Save/Restore * Migration works much better with guests with large memory. * USB mass storage and passthrough devices support live migration. VNC * The threaded VNC server is now enabled by default. Guest agent * A new command "fstrim" was added to the guest agent. New targets * OpenRISC is now supported for both user-mode and system emulation.
2012-09-11 19:13:44 +02:00
SHA1 (patch-hw_xilinx__axienet.c) = 9a4c73c8dcf745d31661e0c88d683530d153feaf
SHA1 (patch-ioport.c) = 3a9fc61cbf72a8cea29d1d168113b48c2f4968a9
Update to 1.3.0 Changelog: QMP The sendkey monitor command is now available via QMP. All targets QEMU can now use the Linux VFIO driver to assign PCI devices to a virtual machine. The bus master configuration bit for PCI devices is now emulated. PCI devices cannot anymore perform DMA without setting the bit before. This may break firmware that wasn't tested on real hardware. MIPS Loongson Multimedia Instructions are now implemented. MIPS32/64 ASE DSP Instructions are now implemented. x86 The TSC frequency can be larger than 2.147 GHz. Configuration files do not support anymore the cpudef section. TCG (emulation) supports the SMEP (Supervisor Mode Execution Prevention) and SMAP (Supervisor Mode Access Prevention) features of newer x86 processors. CPUID/models? The "cpudef" config file section is now deprecated and will be removed in v1.4. New CPU models: "Haswell" (new features: fma, pcid, movbe, fsgsbase, bmi1, hle, avx2, smep, bmi2, erms, invpcid, rtm) and "Opteron_G5" (new features: tbm, f16c, fma) Added Intel Q35 chipset as a new machine type, '--machine q35'. Adds PCIe support. Requires an updated SeaBIOS (bios.bin), and '-acpitable file=/seabios-path/q35-acpi-dsdt.aml' to run. Xtensa Single precision floating point instructions are now implemented. Device emulation Emulation of the MC146818 real-time clock (used on PC and several other boards) does not wake up QEMU anymore every second to update the clock. USB3 has been vastly improved, including support for USB mass storage devices and MSI/MSI-X support for the XHCI controller. USB redirection now supports live migration. Several bugs in the AHCI controller were fixed to support recent Windows versions. ivshmem now has a "use64" property which will make the ivshmem driver register a 64-bit memory BAR. New paravirtualized hardware random number generator device, VirtIORNG. Network devices Some problems were fixed leading to bad receive performance of E1000 and Xen network cards. Block devices qemu-img now can output information in JSON format using "qemu-img info --output=json". Glusterfs volumes can be accessed with "gluster://" URIs for "-drive" and similar options. Optionally the transport can also be specified, as in "gluster+tcp://" (other supported transports are "unix" and "rdma"). Options on the QMP streaming command direct the job to pause on encountering errors, or to ignore them altogether. A new block job is supported: live block commit (also known as "snapshot deletion") moves data from an image to another in the backing file chain. With the current implementation of QEMU 1.3, the "source" image may not be the active one. A new block job is supported: live disk mirroring (also known as "storage migration") moves data from an image to another. A new command "block-job-complete" is used to switch the VM to use the destination image exclusively. Block jobs can now be paused and resumed from the monitor. NBD block devices can now be specified using URI syntax. "nbd://" defaults to TCP transport, while "nbd+tcp://" and "nbd+unix://" can be used (similar to Gluster) to specify it. URI syntax simplifies access to named exports; the export name is simply the "path" component of the URI. NBD connections to Unix sockets support relative paths. QEMU embeds an NBD server, accessible via the monitor. The NBD server allows live access to the image seen by the VM. Note that the embedded server uses "named exports", which QEMU can access using the "nbd://host:port/name" syntax. Windows hosts support asynchronous disk I/O. Live Migration, Save/Restore The "stop" and "cont" commands have new semantics on the destination machine during migration. Previously, the outcome depended on whether the commands were issued before or after the source connected to the destination QEMU: in particular, "cont" would fail if issued before connection, and "undo" the effect of the -S command-line option if issued after. Starting from this version, the effect of "stop" and "cont" will always take place at the end of migration (overriding the presence or absence of the -S option) and "cont" will never fail. This change should be transparent, since the old behavior was usually subject to a race condition. The monitor now remains responsive during incoming migration. The new NBD server is also available during incoming migration. Spice QEMU will only send changed screen content to the Spice client when running in legacy VGA mode. Seamless migration support. Composite QXL commands (for linux guests). Multiple monitors on a single pci device. Arbitrary resolution support. Device based monitor configuration notification (for future drivers). various bug fixes and assertion removals in favor of a guest_bug mode. require spice-server >= 0.12.0 KVM QEMU now supports "old-style" PCI device assignment, which was the last missing feature from the qemu-kvm fork. Despite some remaining minor differences between qemu-kvm and QEMU, it is possible to switch from qemu-kvm to QEMU as soon as your guests can be rebooted. Live migration from qemu-kvm 1.2 to QEMU 1.3 is not supported, but can be enabled easily by downstream distributions who want to switch their packages from qemu-kvm to QEMU. Xen QEMU can now be used to live-migrate Xen domains. SLIRP SLIRP's TFTP server has improved performance, can transmit files bigger than 32 MB, and supports the block size option. Guest agent The guest agent will now store the state file in /var/run by default. Host support SPARCv7 and v8 support was removed. Build dependencies QEMU can now be built with Clang. QEMU now uses pixman. QEMU configure will detect and use a system pixman if the development headers are ailable (they should be available for most recent Linux distros). As a fallback, we provide an internal copy of the pixman sources which will be used if there is no set of system pixman libraries. Compiling these will require autoconf. Compiling QEMU ver 0.12 or better.
2013-01-24 18:52:01 +01:00
SHA1 (patch-memory.c) = cb67615b7632ec0006507a0270d841955bcb7e8b
Update to QEMU 1.2.0 Changes since version 1.1.1: System emulation All targets * ... QMP error changes go here ... * File descriptors can be passed to qemu using the new add-fd/remove-fd QMP commands. It is intended that they can be used in any place where QEMU would expect a file name. This is ensured for disk images, support in other parts of QEMU may still be inconsistent. ARM * LPAE (large physical address extensions) are now supported for the Cortex-A15 CPU; you can now run a vexpress-a15 model with more than 4GB of RAM * The new monitor command "dump-guest-memory" creates an ELF dump of the guest memory. * New board model: i.MX31 PowerPC * The pSeries target correctly creates segment size device tree nodes (fixes odd bugs with HV vs PR KVM) * The pSeries target implements an IOMMU. * ... pSeries VGA, USB, etc.? ... * The E500 target generates its device tree dynamically * New mpc8544ds -machine option: dumpdtb. This allows to dump the dynamically generated device tree to a file. * Emulation for e5500 cores * PC87312 Super I/O chipset emulation for PReP, adding parallel port to prep machine x86 * Support for PCI passthrough is available for Xen fully-virtualized domains. * The new monitor command "dump-guest-memory" creates an ELF dump of the guest memory. * When using KVM, the in-kernel APIC supports MSI. * Also when using KVM, new PV EOI feature improves performance when both host and guest run linux 3.6-rc1 and up. To enable, add +kvm_pv_eoi to -cpu option, e.g. -cpu kvm64,+kvm_pv_eoi * The "cpudef" config file section is being deprecated and may be removed in v1.3. Device emulation * VGA and QXL cards (obtained with -vga std and -vga qxl) have 16 MB of VRAM rather than 8 MB. * Three new SCSI host bus adapter devices are available: am53c974 and dc390 emulate respectively an AMD PCI PCscsi and a Tekram DC-390 device, both of which are supported on older operating systems including MS DOS 6.2, MS Windows 3.11, 98 SE, NT 3.1 and NT 4.0. megasas emulated an LSI SAS1078 RAID controller. The next version of SeaBIOS will support booting from am53c974 and dc390 disks. * An USB-attached SCSI controller is now available. Audio devices * The PC speaker audio card is now available by default. Network devices * The guestfwd argument to slirp now supports running an arbitrary command on every TCP connection (as in inetd). This is invoked by specifying a target that starts with "cmd:". Block devices * Emulated IDE and SCSI as well as virtio-blk devices can now switch the cache mode between writethrough and writeback. virtio-blk automatically switches to writethrough if the guest driver doesn't support flushes. * The default cache mode for images is now writeback. * Emulated SCSI devices can be given a custom vendor name, product name and WWN. * Improved support for passthrough of SCSI tapes and media changers. * libiscsi can be used together with scsi-generic to pass iSCSI tapes and media changers to the guest. * When raw files are streamed, parts of the files that are holes in the underlying filesystem are treated as unallocated (as long as the OS supports either the FIEMAP ioctl or the SEEK_HOLE/SEEK_DATA modes) * CD-ROM drives can now be used with AHCI qcow2 * qcow2 images support a new option, lazy_refcounts. If on, the speed of cache=writethrough mode will be improved, at the cost of requiring an fsck-like pass (and thus QEMU 1.2) to use the image again after a power loss. * qemu-img check can now repair qcow2 and QED images with the new -r option. VMDK * Support for images in the streamOptimized subformat has been fixed. This is a VMDK subformat commonly used with OVF appliances. rbd * rbd no longer ignores the cache setting Live Migration, Save/Restore * Migration works much better with guests with large memory. * USB mass storage and passthrough devices support live migration. VNC * The threaded VNC server is now enabled by default. Guest agent * A new command "fstrim" was added to the guest agent. New targets * OpenRISC is now supported for both user-mode and system emulation.
2012-09-11 19:13:44 +02:00
SHA1 (patch-net_tap-bsd.c) = eb5e994a57c6f4291e34af9198ea007dbc21b191
SHA1 (patch-slirp_tcp__subr.c) = 51ae78f3f04eae9a22568afdbf6e3b2bc3d34187
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