Hi Linus, Please consider pulling from ssh://master.kernel.org/pub/scm/linux/kernel/git/penberg/linux.git kvm-tool-for-linus to merge the Native Linux KVM tool to Linux 3.1. [ The changes to 9p headers were already merged but show up in the pull request. ] The goal of this tool is to provide a clean, from-scratch, lightweight KVM host tool implementation that can boot Linux guest images with no BIOS dependencies and with only the minimal amount of legacy device emulation. The primary focus of the tool is to Linux but there are already people on working on supporting GRUB and other operating systems. We want the tool to be part of Linux kernel source tree because we believe that ‘perf’ clearly showed the benefits of a single repository for both kernel and userspace components. See Ingo Molnar’s email that started the project for details: http://thread.gmane.org/gmane.linux.kernel/962051/focus=962620 The tool has been in -tip for months and Ingo tells me they’ve been using it for testing and I use it for all kernel development I’ve do. I’ve asked Avi Kivity privately on his opinion and he doesn’t object to merging the tool. Features: - Zero-config userspace networking for guests that have DHCP enabled - SMP support - No external BIOS required - Experimental GUI support with SDL and VNC - Host filesystem access via 9P/virtio in guest OS - Raw image support - Experimental QCOW2 image support (writing is disabled for now, compressed or copy-on-write images are not supported) - Host block devices as in-memory copy-on-write guest images on 64-bit hosts 1. To try out the tool, clone the git repository: git clone git://github.com/penberg/linux-kvm.git or alternatively, if you already have a kernel source tree: git remote add kvm-tool git://github.com/penberg/linux-kvm.git git remote update git checkout -b kvm-tool kvm-tool/master 2. Compile the tool: cd tools/kvm && make 3. Download a raw userspace image: Minimal: wget http://wiki.qemu.org/download/linux-0.2.img.bz2 && bunzip2 linux-0.2.img.bz2 Debian Squeeze: wget http://people.debian.org/~aurel32/qemu/i386/debian_squeeze_i386_standard.qcow2 [ as we don’t support writes to QCOW images, you need to convert the image to raw image with ‘qemu-img’ as follows: ] qemu-img convert -O raw \ debian_squeeze_i386_standard.qcow2 \ debian_squeeze_i386_standard.raw 4. The guest kernel has to be built with the following configuration: - For the default console output: CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y - For running 32bit images on 64bit hosts: CONFIG_IA32_EMULATION=y - Proper FS options according to image FS (e.g. CONFIG_EXT2_FS, CONFIG_EXT4_FS). - For all virtio devices listed below: CONFIG_VIRTIO=y CONFIG_VIRTIO_RING=y CONFIG_VIRTIO_PCI=y - For virtio-blk devices (--disk, -d): CONFIG_VIRTIO_BLK=y - For virtio-net devices ([--network, -n] virtio): CONFIG_VIRTIO_NET=y - For virtio-9p devices (--virtio-9p): CONFIG_NET_9P=y CONFIG_NET_9P_VIRTIO=y CONFIG_9P_FS=y - For virtio-balloon device (--balloon): CONFIG_VIRTIO_BALLOON=y - For virtio-console device (--console virtio): CONFIG_VIRTIO_CONSOLE=y - For virtio-rng device (--rng): CONFIG_HW_RANDOM_VIRTIO=y 5. And finally, launch the hypervisor: ./kvm run -d linux-0.2.img or ./kvm run -p “root=/dev/vda1” -d debian_squeeze_i386_standard.raw [ keymap loading takes a while, use ctlr-c if you are inpatient. You can login with root/root to the guest and use ‘reboot’ to exit. ] Pekka The following changes since commit b6844e8f64920cdee620157252169ba63afb0c89: Linus Torvalds (1): Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm are available in the git repository at: ssh://master.kernel.org/pub/scm/linux/kernel/git/penberg/linux.git kvm-tool-for-linus Amerigo Wang (2): kvm tools: build rbtree.o from source kvm tools: implement "help xxx" command Amos Kong (4): kvm tools: Make virt_queue__available return false if queue is not initialized kvm tools: Add a script to setup private bridge kvm tools: Add a script to setup tap device kvm tools: Setup bridged network by a script Aneesh Kumar K.V (17): tools/kvm/9p: Add support for multiple 9p export dirs tools/kvm/9p: Always include system header before kernel headers tools/kvm/9p: Use the same #define as the kernel tools/kvm/virtio: Add new iov helper tools/kvm/9p: Don't follow symlink on server tools/kvm/9p: Fix the pdu len. tools/kvm/9p: Simplify the handler tools/kvm/9p: check the iov count with the read/write count tools/kvm/9p: Add error protocol reply tools/kvm/9p: Make the 9p handler void return tools/kvm/9p: Add error handling tools/kvm/9p: Add encode/decode routines for protocol data tools/kvm/9p: return EOPNOTSUPP if the handler is not implemented kvm tools, 9p: Add error handling to protocol handlers kvm tools, 9p: WSTAT don't use open fid net/9p: Remove structure not used in the code tools/kvm: Use kernel header version of net/9p/9p.h Anton Vorontsov (1): kvm tools: Fix broken terminal when kvm exits because of a signal Asias He (115): bios: No new line at EOF nit fix kvm: remove unneccessary iotcl parameter kvm__init: the kernel should support irq and pit kvm: reimplement kvm__setup_sregs kvm: kvm__setup_sregs initialize more registers early_printk.c: add rep/outsb support kvm__setup_sregs: fix indentation kvm, test: add PIT 8254 and PIC 8259 test code kvm, test: add a counter to tick test in ISR kvm: Check vmx capability using cpuid kvm__setup_cpuid: use KVM_GET_SUPPORTED_CPUID to simplify cpuid setup kvm, pci: fill up virtio device configuration header kvm: Add cscope target to Makefile virtio: capacity should be in 512-byte sectors kvm,virtio: move SECTOR_SHIFT and SECTOR_SIZE to disk-image.h kvm,virtio: do not publish read only feature to guest kvm: Add rw to default kernel command line parameters kvm,virtio: add scatter-gather support kvm,virtio: add scatter-gather support v2 kvm tools: add README kvm tools: remove KVM_EXIT_INTERNAL_ERROR kvm tools: Cleanup IO space and PCI magic numbers kvm tools: Add helper functions for virtqueue code kvm tools: Move terminal related code to a new file term.c kvm tools: Make 8250 serial use infrastructure provided by term.c kvm tools: Virtio console support kvm tools: Introduce --enable-virtio-console option kvm tools: Rename struct device to struct blk_device for block devices kvm tools: Introduce virtio.c and virtio.h kvm tools: Unify virtio code file names kvm tools: Drop virt_queue__get_used_elem virtio helper kvm tools: Use virt_queue__get_iov to simpify virtio blk IO handler kvm tools: Make virtio console device code thread-safe kvm tools: Remove unnecessary goto label out_unlock kvm tools: Exit KVM session on Ctrl+a and 'x' kvm tools: Replace option --enable-virtio-console with --console kvm tools: Fix virtio console PCI class number and device ID number kvm tools: Fix lock imbalance in virtio_console_pci_io_out() kvm tools: Use IRQ pin 2 for virtio console kvm tools: Implement virtio network device kvm tools: Fix virtio console input problem kvm tools: Implement virtio net TSO/UFO support kvm tools: Respect ISR status in virtio header kvm tools: Respect VRING_AVAIL_F_NO_INTERRUPT kvm tools: Use virt_queue__trigger_irq() to trigger IRQ for virtio console kvm tools: Use virt_queue__trigger_irq() to trigger IRQ for virtio blk kvm tools: Use virt_queue__trigger_irq() to trigger IRQ for virtio rng kvm tools: Fix virtio console hangs by removing IRQ injection for tx path kvm tools: Bring VIRTIO_BLK_F_SEG_MAX feature back to virtio blk kvm tools: Tune the command-line option kvm tools: Move disk image related code under disk directory kvm tools: Rename disk-image.c to core.c kvm tools: Split raw image and blk device code from disk/core.c kvm tools: Rename disk_image__{read, write}_sector_iov kvm tools: Remove dead coe disk_image__{read, write}_sector kvm tools: Consolidate disk_image__{new, new_readonly} kvm tools: Split blk device code from raw.c to blk.c kvm tools: Tune up ops in 'struct disk_image_operations' kvm tools: Rename struct disk_image_operations ops name for raw image kvm tools: Rename raw_image_ops to blk_dev_ops kvm tools: Remove unnecessary S_ISBLK check kvm tools: Do not use 'inline' for disk_image__flush kvm tools: Add debug info for disk_image__{read, write} kvm tools: Print debug info for qcow1_nowrite_sector kvm tools: Update README kvm tools: Introduce ethernet frame buffer system for uip kvm tools: Add ARP support for uip kvm tools: Add IPV4 support for uip kvm tools: Implement IP checksum for uip kvm tools: Add ICMP support for uip kvm tools: Introduce struct uip_udp to present UDP package kvm tools: Introduce struct uip_pseudo_hdr to present UDP pseudo header kvm tools: Introduce struct uip_udp_socket kvm tools: Add two helpers to return UDP {header, total} length kvm tools: Add helper to return ethernet header length kvm tools: Implement uip_csum_udp() to calculate UDP checksum kvm tools: Add UDP support for uip kvm tools: Introduce struct uip_tcp to present TCP package. kvm tools: Introduce struct uip_tcp_socket kvm tools: Add helpers to return TCP {header, total, payload} length kvm tools: Add helper to return start address of TCP payload kvm tools: Add helpers to test whether SYN or FIN bit is set. kvm tools: Add helper to allocate and get TCP initial sequence number kvm tools: Implement uip_csum_tcp() to calculate TCP checksum kvm tools: Add TCP support for uip kvm tools: Introduce uip_init() for uip kvm tools: Introduce uip_tx() for uip kvm tools: Introduce uip_rx() for uip kvm tools: Add MACRO for user and tap mode for virtio net kvm tools: Reanme net_device to net_dev kvm tools: Introduce -net {user, tap, none} options for virtio net kvm tools: Change default guest MAC address to 00:15:15:15:15:15 kvm tools: Make virtio net work with user mode network kvm tools: Make default network mode to user mode kvm tools: Make default host ip address to 192.168.33.1 kvm tools: Introduce struct net_dev_operations kvm tools: Make virtio net work on older kernels kvm tools: Move uip to net directory kvm tools: Introduce uip_udp_make_pkg() kvm tools: Introduce struct uip_dhcp kvm tools: Add helper to tell if a UDP package is a DHCP package kvm tools: Add helpers to tell the type of a DHCP message kvm tools: Get domain name and nameserver from host kvm tools: Fill DHCP options with domain name and DNS server IP kvm tools: Fill all DHCP options kvm tools: Introduce uip_dhcp_make_pkg() kvm tools: Introduce uip_tx_do_ipv4_udp_dhcp() kvm tools: Get DNS information from host in uip_init() kvm tools: Handle DHCP package in gernal UDP processing path kvm tools: Introduce --guest-ip option kvm tools: Introduce --host-mac option kvm tools: Rename --host-ip-addr to --host-ip kvm tools: Initialize MAC address for virtio net properly kvm tools: Initialize MAC and IP address for uip properly kvm tools: Add '-Wunused-result' to WARNINGS Cyrill Gorcunov (108): Add utility functions Don't die on old kernels without single-step debug support Makefile: Add CPPFLAGS handling Add info() helper kvm: load_bzimage: Proper check for number of setup sectors kvm: Use 64 bit names when showing registers kvm: Fixup boot selector kvm: Add --kernel parameter handling kvm: Add --params option kvm: Introduce IVT handling kvm: Setup fake IVT table kvm: Fill up fake IVT kvm: Rename ivt_ prefixed entities kvm: Put fake bios interrupt handlers into known memory area bios: Add simple bin2c converter interrupt: Add interrupt_table__set helper kvm: Introduce kvm__dump_mem helper interrupt: Move bios related constants to kvm/bios.h bios: Add bios stubs generated from assembly files kvm: Add copying of kernel command line into guest memory kvm: Update command line related enitites in boot parameters kvm: Reference to undefined variable kvm: Make command line to be placed at predefined address ioport: Make all PIT channels being dummy kvm: Add more default kernel command line parameters kvm: Kill the bin2c helper Makefile: Add cpu specific definition kvm: Command line update must honor ABI kvm: Set more fields in boot protocol kvm: Don't touch 64 bit specific MSR registers on 32 bit Change __x86_x__ to CONFIG_X86_X kvm: Print error code on unknown error kvm: Use PRIx qualificator for printf kvm: Use strlcat helper for copying cmdline params kvm: Check for required KVM extensions in one place kvm: Append missing ending space for built-in command line kvm: The command line storage should not be too short early_printk: Simplify the code tests/pit: Issue cli on ISR handling test/pit: Fill up IDT with noop handler kvm: Check for HTL extension granted tests/pit: Increase PIT frequency up to 1KHz kvm: Add force exit from tests kvm, tests: Use motherboard specific ports for testing kvm, cpuid: Fix XSTOR and VMX compatibility in cpuid kvm: KVM_CAP_EXT_CPUID is required kvm, cpuid: Fill up func 0 and 4 kvm, cpuid: Use logical AND on bit ops kvm: Check for SVM extension being supported for AMD cpus kvm, bios: Get rid of buggy int10 handler Exclude .cscope from .gitignore kvm, bios: Rework BIOS setup bios: Don't clobber 32bit registers bios: No need for sti at int15 irq exit kvm: Add --mem= option kvm, bios: BIOS code redesign kvm, bios: Make e820 map to look similar the real one bios: clean predefined bios area early pci: Use proper PCI port names pci: Fix typo in previous commit kvm, pci: Return "no device" by default kvm, pci: Add dummy virtio device for probing kvm, pci: Add bus forwarding register kvm, pci: Fix offset for pci CONFIG_DATA ioport kvm, pci: Claim virtio device ioport in pci header kvm: Support loading initrd image kvm: Add virtio_ring.h to tree kvm: Add virtio_blk.h to tree kvm: Don't forget to close initrd file bios: Get rid of redundant ops bios: Use proper grep syntax kvm: Setup disk geometry if needed virtio-blk: Leave disk geometry to compute in kernel make: Add TAGS, tags targets and tune cscope kvm: save/restore std ttys 8250-serial: Simplify is_readable function 8250-serial: Use linux/serial-reg.h with predefined constants 8250-serial: Make transmitter being always ready to send data 8250-serial: Emulate 8250 behaviour on autoprobing virtio, block: Rename IOPORT_VIRTIO to IOPORT_VIRTIO_BLK kvm tools: Setup BIOS for both bzImage and flat image kvm tools: Remove useless empty lines for a call series in kvm__reset_vcpu kvm tools: Separate BIOS specifics into own file kvm tools, bios: Introduce bioscall specificator kvm tools: Use static assignment for default RAM size kvm tools: Add --cpus parameter kvm tools: Update documentation kvm tools: Add missing space before root= option kvm tools: Use non shared pin/irqs for virtio devices kvm tools: Add MP tables support kvm tools: Use system wide msr-index.h instead of own definitions kvm tools: Add NR_CPUS definition in case of non-configured kernel sources kvm tools: Gather Virtio-PCI constants into one place kvm tools: Fix up PCI pin assignment to conform specification kvm tools: Fix up mtable srcbusirq assignment for PCI devices kvm tools: Add debug() helper kvm tools: Prefix error() and friends helpers with pr_ kvm tools: Add conditional compilation of symbol resolving kvm tools: Fix alignment for mpf_intel table kvm tools, 9p: Test for tuncation result kvm tools: Print out a warning on io-port re-registration kvm tools: Drop unused vars from int10.c code kvm tools: Options parser to handle hex numbers kvm tools: Introduce vidmode parmeter kvm tools: Delete dangling cursor from int10 kvm tools: Get rid of spaces in ld script kvm tools: Reform bios make rules kvm tools, bios: Make sure IRQ handlers segment is properly set David Ahern (1): kvm tools: do not append root=/dev/vda if passed via command line Emil Renner Berthing (1): kvm tools: Update README with instructions for Arch Linux Giuseppe Calderaro (2): kvm tools: Fix compilation issue in virtio-blk.c kvm tools: Remove unused handle_sigint() function Ingo Molnar (11): kvm tools: Emit a more informative error message when /dev/kvm does not open kvm tools: Fix segfault when running 'kvm' without a disk image kvm tools: Indicate the end of a KVM session kvm tools: Fix 64-bit assumptions and type uglinesses kvm tools: Fix 32-bit build of the asm/system.h include kvm tools: Enable earlyprintk=serial by default kvm tools: Fix and improve the CPU register dump debug output code kvm tools: Dump vCPUs in order kvm tools: Use standardized style for the virtio/net.c driver kvm tools: Fix type mismatches on GCC 4.4 on 32-bit systems kvm tools: Fix virtio net build breakage on 32-bit John Floren (6): kvm tools: Add BIOS INT10 handler kvm tools: Add video mode to kernel initialization kvm tools: Add VESA device kvm tools: Update makefile and feature tests kvm tools: Initialize and use VESA and VNC kvm tools: Add support for PS/2 keyboard system Konstantin Khlebnikov (1): kvm tools: fix instances enumeration Paul Bolle (1): kvm tools: Fix compilation on x86_64 Pekka Enberg (309): Initial commit Check for KVM_API_VERSION at init Add .gitignore file Create a VM using ioctl(KVM_CREATE_VM) Move KVM fds into 'struct kvm' Check for KVM_CAP_USER_MEMORY Clean up KVM initialization Initialize KVM some more Set up TSS address to make vcpu creation work Clean up struct kvm file descriptor names Mmap the kvm_run structure Move CPU emulation code to cpu.c Load kernel image to the VM Initial version of kernel image loading Initialize guest memory region properly Load bzImage to guest RAM Update .gitignore to include object files Dump registers after KVM_RUN returns Initialize RIP before starting to run the guest Print out constant names for KVM exit reasons Show dump of executed code at KVM exit Fix guest code printout Setup rflags properly to fix EXIT_UNKNOWN Fix up rflags printing Dump KVM_EXIT_IO details Move KVM_SET_REGS to kvm__reset_vcpu() Enable KVM guest single-stepping Separate KVM code from the main loop Setup segmentation for the guest Fix LDT descriptor type for KVM_SET_SREG Improve KVM register dump output Fix up 'ip' in kvm__reset_vcpu() to take real mode into account Print 'avl' bits of a segment Add a simple "kernel" binary that can be used for testing Add support for loading flat binaries kvm: Load bzImage real-mode boot sector and setup code kvm: Fix bzImage setup sector default count kvm: Read the whole bzImage to memory kvm: Hardcode a "reset vector" at f000:fff0 kvm: Add some single-step debugging and don't stop running kvm: Clean up reset vector setup code kvm: Document the 'reset vector' hack kvm: Enable 'interrupt request window' Revert "kvm: Enable 'interrupt request window'" kvm: Fix setup size calculation kvm: Remove 'reset vector' hack kvm: Fix kernel boot IP kvm: Load kernel at 0x1000 kvm: Setup stack for the kernel kvm: Introduce host_real_to_guest() helper function kvm: Rename interrupt emulation source files kvm: Clean up kvm/interrupt.h a bit kvm: Remove unnecessary includes from interrupt.c kvm: Move interrupt table to struct kvm kvm: Clean up interrupt_table__setup() kvm: Move util.h to include/kvm directory kvm: Introduce --single-step command line option kvm: Setup CPUID for the guest kvm: Enable GCC debugging information kvm: Extract CPUID code into its own file kvm: Extract ioport emulation code to its own file kvm: Don't abort guest on KVM_EXIT_IO kvm: Add simple NMI enable/disable support kvm: Remove unused cpu.c file kvm: Setup guest FPU state kvm: Ignore math co-processor reset I/O writes kvm: Ignore PIC init during boot kvm: Fix protected mode code dump kvm: Free memory on exit kvm: Clean up Makefile output kvm: Add test binaries to .gitignore kvm: Clean up kvm__reset_vcpu() function kvm: Setup VCPU MSRs kvm: Add .gitignore for bios build files kvm: Show gdt and idt registers kvm: Dump stack on KVM oops kvm: Dump page tables at exit kvm: Set up MAXPHYADDR guest CPUID kvm: Don't crash debug dump if address isn't in guest memory kvm: Ignore PCI config space accesses kvm: Ignore MMIO accesses kvm: Ignore PIC accesses kvm: Ignore CMOS RAM/RTC ioports kvm: Ignore CRT control ioports kvm: Ignore dummy delay ioport kvm: Ignore PIT ioports kvm: Ignore keyboard controller ioports kvm: Fix off-by-one bugs in kvm__setup_cpuid() kvm: Fix minor formatting glitch in cpuid.c kvm: Add support for early serial printk kvm: Force 'notsc' and 'earlyprintk' kernel parameters kvm: Clean up early serial code Merge branch 'master' of git://github.com/cyrillos/vm kvm: Dump state on SIGQUIT kvm: Flush stdout for early printk kvm: Fix .gitignore patterns kvm, test: Move PIT tests to separate directory kvm: Add Makefile for compiling all test cases kvm: Add .gitignore for tests kvm, test: Improve PIT test output kvm: Add 'check' target to Makefile kvm: Use 'nopci pci=off' kernel parameters by default kvm: Cleanup command line parsing kvm: Cleanup ioport_ops table kvm: Add proper 00E0 ioport handling kvm: Add '--params' to usage kvm: Don't stop on ioport errors by default kvm: Fix compilation warning kvm: Introduce 'make devices' target kvm: Introduce '--kvm-dev' command line option kvm: Cleanup kvm__cpu_supports_vm() kvm: Cleanup struct boot_params setup kvm: BIOS E820 memory map emulation kvm: Use -Os optimization for GCC kvm: Fix VM support check for unrecognized CPUs kvm: Check for read() return value in load_bzimage() kvm: Fix usage command line format kvm: Fix load_bzimage for flat binaries kvm: Use 32-bit operand size prefix for rdfs8() kvm: Use -Werror for building the thing kvm: Remove unused outb() function from e820.c kvm: Cleanup BIOS setup code kvm: Use sizeof instead of magic number kvm: Clear performance monitoring CPUID flags kvm: Update bios .gitignore list kvm: Fix Makefile header dependencies kvm: Clean header dependency files kvm: Exclude BIOS object files from header deps kvm: Use proper segment + offset in e820 bios kvm: Add some more ioport emulation kvm: Enable Linux kernel PCI probing kvm: Force PCI Configuration Mechanism 1 kvm: Initial PCI probe emulation kvm: Add PCI CONFIG_ADDRESS register layout kvm, pci: Fix device probe accesses kvm: Fix PCI config space emulation kvm, pci: Don't calculate offset twice kvm, pci: Fix unaligned PCI accesses kvm: Kill virtio debugging code kvm: Add KVM ABI headers Merge branch 'master' of git://github.com/cyrillos/vm kvm: Fix unaligned PCI_CONFIG_ADDRESS accesses kvm: Extract virtio-blk driver to separate file kvm: Update .gitignore to ignore tags kvm: Add port range to ioport__register() kvm: Add virtio PCI ioport handler stubs kvm: Fail virtio blk ioports by default kvm: Virtio block device emulation kvm: Fix kernel loading error messages kvm: Fix virtio block PCI device IRQ configuration kvm: Implement "host features" for virtio blk device kvm: Cleanup virtio block device I/O functions kvm: Don't use VIRTIO_BLK_F_SEG_MAX in the hypervisor kvm: Remove bogus #include directive Revert "kvm: Fix virtio block PCI device IRQ configuration" kvm: Implement virtio blk device config space kvm: Make virtio block device read-only kvm: Add ->queue_selector and ->queue_pfn to struct device kvm: Implement virtqueues for virtio block device kvm: Implement virtio blk device vring lookup kvm: Kill stale interrupt configuration comment kvm: Add support for disk images kvm: Use disk image API from virtio block device kvm: Cleanup disk geometry setup code kvm: Introduce a list of known BUGS Merge branch 'master' of git://github.com/cyrillos/vm kvm: Enable virtio block device if disk image specified kvm: Improve kvm__init() error message kvm: Fail if user specifies a QCOW disk image kvm: Fix virtqueue ring index check kvm: Fix virtio block device support some more kvm: Support MSR register for serial console kvm: Kill debug logging from blk-virtio.c kvm: Implement virtio block device write support kvm: Redirect serial console to stdout, not stderr kvm: Improve 8250 serial console support kvm: Fix magic numbers in 8250 support kvm,serial: Enable THRI bit in IIR register kvm: Implement support interrupt injection kvm: Rename early_printk.c to 8250-serial.c kvm,8250: Inject interrupts to guest kvm: Use serial console by default kvm,8250: Implement serial input support kvm: Put terminal in canonical mode Merge branch 'master' of /home/penberg/kvm into kvm/core kvm: Use disk name for mounting root kvm: Improve 8250 serial console interrupt handling kvm: Support for more than one serial ttys kvm,8250: Make ttyS1 and ttyS2 disabled kvm,8250: Fix "too much work for irq4" problems kvm,8250: Fix ->counter clearing kvm,8250: Cleanup receive emulation kvm,8250: Implement missing register emulation kvm,serial: Implement 16550A FIFO support kvm: Cleanup interrupt timer logic Revert "kvm,virtio: add scatter-gather support" kvm: Remove duplicate headers kvm tools: Cleanup termios handling kvm,8250: Fix device initial state kvm tools: Cleanup virtqueue handling tools/kvm: Exit gracefully upon KVM_EXIT_SHUTDOWN kvm tools, 8250: Don't set the UART_LSR_OE bit kvm tools: Fix large disk images on 32-bit kvm tools: Fix E820 map on x86-64 kvm tools: Fix required boot protocol version tools kvm: Fix missing ARCH define on 32-bit in Makefile kvm tools: Cleanup strstr() in expression kvm tools: Cleanup virtio block device configuration kvm tools: Cleanup disk image code kvm tools: Drop hard-coded 'nosmp' kernel parameter kvm tools: Use STDIN_FILENO instead of fileno(stdin) kvm tools: Use pread() and pwrite() in disk-image.c kvm tools: Don't exit() on SIGQUIT kvm tools: Send SysRq-P to guest kernel on SIGQUIT Merge branch 'kvm/gitish' into kvm/core kvm tools: Fix .gitignore after Gitification merge kvm tools: Cleanup virtio_blk_do_io_request I/O error handling kvm tools: Make code mostly checkpatch clean kvm tools: Introduce KVM VCPU data structure kvm tools: Make 8250 code thread-safe kvm tools: Make virtio block device code thread-safe kvm tools: Extract kvm_cpu__start() function kvm tools: Move CPU initialization to kvm_cpu__start() kvm tools: Fix pthread mutex error checks kvm tools: Use per-VCPU threads for execution kvm tools: Fix 'kill -3' to send SysRq-P to the guest kvm tools: Use mutex_lock() and mutex_unlock() wrappers kvm tools: Remove the BUGS file kvm tools: Use ioport__register() for legacy devices Revert "kvm tools: Use mmap by default for disk images" kvm tools: Use host kernel image by default kvm tools: Don't override kernel image passed by user kvm tools: Add read-only support for block devices kvm tools: Cleanup qcow1_read_sector() function kvm tools: Untangle qcow1_read_sector() function kvm tools: Kill redundant assignment in qcow1_read_cluster() kvm tools: Fix qcow1_read_cluster() return value on error kvm tools: Add read-only support for QCOW2 images kvm tools: Show KVM state on SIGQUIT kvm tools: Fix disk image double-free on KVM panic kvm tools: Emulate RTC to fix system time in guests Revert "kvm tools: Use threadpool for virtio-net" kvm tools: Fix virtio rng build breakage kvm tools: Move virtio drivers under virtio directory kvm tools: Cleanup virtio code some more kvm tools: Scale guest RAM size by CPU count kvm tools: Limit CPU count by KVM_CAP_NR_VCPUS kvm tools: Don't use all of host RAM for guests by default kvm tools: Warn if guest RAM size exceeds host RAM size kvm tools: Fix 'kill -3' hangs kvm tools: QCOW code cleanups kvm tools: Use '-c' for '--cpus', not '--console' kvm tools: Print out important command line options at startup kvm tools: Fix read-only support in QCOW kvm tools: Fix typo in converting bytes to MBs kvm tools: Lookup symbol based on RIP for 'kill -3' kvm tools: Fix includes for preadv/pwritev kvm tools: Make host_ram_size() more robust kvm tools: Fail if passed initrd is not really an initrd kvm tools: Move hardware drivers to hw directory kvm tools, serial: Register 0x2e8 ioport kvm tools: Don't register dummy ops for serial ports kvm tools: Drop dummy PCI ioport registrations kvm tools: Code cleanups to hw/vesa.c kvm tools: Use more readable name for ioport mutex kvm tools: Fix up common QCOW function names kvm tools: Add 'kvm debug' command kvm tools: Use constants for i8042 register numbers kvm tools, i8042: Sort status register bits kmv tools, i8042: Use kernel status register bit names kvm tools, i8042: Use kernel command names kvm tools, i8042: Fix device init failure kvm tools, ui: Add framebuffer infrastructure kvm tools, ui: Move VNC specific framebuffer code to ui/vnc.c kvm tools, ui: Add support for SDL framebuffer output target kvm tools, vesa: Cleanup code in bios/int10.c kvm tools, vesa: Fix 'ah' access in int10_vesa() kvm tools, vesa: Use guest-mapped memory for framebuffer kvm tools: Kill libvnc dependency from hw/i8042.c kvm tools, ui: Add simple keyboard support to SDL UI kvm, ui: Kill fb_write() function kvm tools: Makefile cleanups kvm tools: Add WERROR to Makefile for disabling -Werror kvm tools: Fix 'kvm run' on 32-bit machines with >2 GB of RAM kvm tools, qcow: Use fdatasync() instead of sync_file_range() kvm run: Add 'panic=1' to default kernel options Merge commit 'v3.0-rc5' into kvm/core kvm tools: Fix guest single-stepping setup kvm tools: Don't sort command-list.txt for help text kvm tools: Add KVMTOOLS-VERSION-FILE to .gitignore kvm tools, qcow: Rename struct qcow_l2_cache to struct qcow_l2_table kvm tools, qcow: Use 'struct qcow_l2_table' instead of untyped array kvm tools, qcow: Fix locking issues kvm tools, qcow: Introduce qcow_disk_flush() kvm tools, qcow: Delayed L1 table writeout kvm tools, qcow: Don't fdatasync() L2 table writeout kvm tools, qcow: Use big endian order for L2 table entries kvm tools, qcow: Delayed L2 table writeout kvm tools, qcow: Flush only dirty L2 tables kvm tools, qcow: I/O error on compressed sectors kvm tools: Use writev() in xwritev() kvm tools, qcow: Fix copy-on-write image corruption kvm tools: Rename 'struct qcow_table' to 'struct qcow_l1_table' kvm tools, qcow: Unify L1 and L2 variable names kvm tools: Fix formatting in include/kvm/qcow.h kvm tools, qcow: Move L2 cache to 'struct qcow_l1_table' kvm tools, qcow: Rename L2 table lookup functions kvm tools, qcow: Force read-only mode for QCOW images Merge branch 'kvm/core' into kvm-tool-for-linus Prasad Joshi (29): kvm tools: Fix KVM problem on SuSe 2.6.37 kernel kvm tools: Generate list of common kvm tool commands kvm tools: Use code from perf for argument processing kvm tools: Provide the basic Gitish framework kvm tools: Use the Gitish freamwork to run the virtual machine kvm tools: Fix a possible segfault if raw_image__probe returns NULL kvm tools: Avoid using disk_image->priv member in disk_image__new() kvm tools: add a close method for raw_image_ro_mmap_ops kvm tools: Add QCOW version 1 read-only support kvm tools: Use the readily built kernel with 'kvm run' if not specified explicitly kvm tools: Fix function names in qcow.c kvm tools: Avoid byte-order conversion during each read operation kvm tools: Free l1_table in qcow1_disk_close() and in error path of qcow1_probe() kvm tool: Remove the __stringify*() definition from util.h kvm tool: Change the type of QCOW table index and offset variables to u64 kvm tools: check the cluster boundary in the qcow read code kvm tools: Correct a variable naming spelling mistake kvm tools: Use the root partition of the host to boot the guest machine kvm tools: check read permission before using the root partition of the host to boot VM kvm tools: display appropriate error message when default kernel image could not be found kvm tools: fix a memory leak in qcow2_read_header kvm tools: Add QCOW write support kvm tools: Add VIRTIO_BLK_T_FLUSH feature to handle flush operation from VM kvm tools: Add a wrapper function to open disk images kvm tools: Close the disk images after the guest shuts down kvm tools: Add a wrapper function to initialize all virtio block devices kvm tools: Release memory allocated during virtio block initialization kvm tools: Add QCOW level2 caching support kvm tools: Add IO delay option Sasha Levin (127): kvm tools: Free memory and FDs on exit kvm tools: Fix input hang when compiling without optimization kvm tools: Close kernel FD after loading it into memory kvm tools: Use mmap by default for disk images kvm tools: Add option to load disk image read only kvm tools: Add OPT_GROUP to cmdline parser kvm tools: Arrange cmdline help menu kvm tools: Set up tun interface using ioctls kvm tools: Make host side IP configurable kvm tools: Organize net parameters into struct kvm tools: Enable network by default kvm tools: Add option to specify guest MAC kvm tools: Rename raw_image__close_sector_ro_mmap kvm tools: Fix leak in QCOW kvm tools: Add scatter-gather variants of IO functions kvm tools: Add scatter-gather support for disk images kvm tools: Rename _sg to _iov and remove dead code kvm tools: Fix iov shifting kvm tools: Fix possible leak in disk_image kvm tools: Use threading for virtio block devices kvm tools: Use mmap to allocate guest RAM kvm tools: Fix possible leak in qcow kvm tools: Prevent duplicate definitions of ALIGN kvm tools: Add kernel headers required for using list kvm tools: Introduce generic I/O thread pool kvm tools: Use threadpool for virtio-blk kvm tools: Use threadpool for virtio-console kvm tools: Use threadpool for virtio-net kvm tools: Modify thread pool API kvm tools: Lock job_mutex before signalling kvm tools: Introduce virtio-rng kvm tools: Add cmdline switch to enable virtio-rng kvm tools: Drop ALIGN from bios.h kvm tools: Fix virt_queue__set_used_elem kvm tools: Move disk_image into virtio-blk kvm tools: Add support for multiple virtio-blk kvm tools: Add cmdline options for loading multiple images kvm tools: Abolishment of uint*_t types kvm tools: virtio-blk code cleanup kvm tools: virtio-console code cleanup kvm tools: virtio-net code cleanup kvm tools: virtio-rng code cleanup kvm tools: Fix loading root device as image kvm tools: Enable SMP support kvm tools: Simplify search for root device kvm tools: Introduce IRQ registry kvm tools: Dynamically add devices when creating mptable kvm tools: Convert virtio devices to use IRQ registry kvm tools: Rename pci_device to pci_hdr for clarity kvm tools: Add missing space after kernel params kvm tools: Add memory gap for larger RAM sizes kvm tools: Prevent PFN wraparound kvm tools: Use definitions from kernel headers kvm tools: Rename 'self' variables kvm tools: Use constants for commonly used mmap flags kvm tools: Add boot test to checks kvm tools: Return correct values from disk IOV functions kvm tools: Add interval red-black tree helper kvm tools: Add MMIO address mapper kvm tools: Use virtio IDs from <linux/virtio_ids.h> kvm tools: Exit properly on SMP guests kvm tools: Default guest cpu count to host cpu count kvm tools: Copy net/9p/9p.h kvm tools: Add virtio-9p kvm tools: Cleanup e820 code kvm tools: Fix rbtree-interval balancing kvm tools: Modify ioport to use interval rbtree kvm tools: Add optional parameter used in ioport callbacks kvm tools: Add basic ioport dynamic allocation kvm tools: Use ioport context to control blk devices kvm tools: Add support for multiple virtio-rng devices kvm tools: Use dynamic IO port allocation in vesa driver kvm tools: Use dynamic IO port allocation in 9p driver kvm tools: Use dynamic IO port allocation in virtio-console kvm tools: Use dynamic IO port allocation in virtio-net kvm tools: Prevent double assignment of guest memory info kvm tools: Exit VCPU thread only when SIGKVMEXIT is received kvm tools: Add ioeventfd support kvm tools: Use ioeventfd in virtio-blk kvm tools: Use ioeventfd in virtio-net kvm tools: Use ioeventfd in virtio-rng kvm tools: Use correct value for user signal base kvm tools: Remove wrong global definition of kvm kvm tools: Add APIs to allow pausing guests kvm tools: Pause/resume guest using SIGUSR2 kvm tools: Add a brlock kvm tools: Add rwlock wrapper kvm tools: Add debug mode to brlock kvm tools: Use brlock in MMIO and IOPORT kvm tools: Use vesa reserved space for strings and modes kvm tools: Add MMIO coalescing support kvm tools: Fix some SDL keyboard translations kvm tools: Use double buffering with SDL kvm tools: Add 'kvm pause' command kvm tools: Signal only one thread when injecting console interrupts kvm tools: Fix attempt to free mmaped memory kvm tools: Implement keyboard reset method kvm tools: Use ioeventfd in virtio-9p kvm tools: Don't dynamically allocate threadpool jobs kvm tools: Process virtio-blk requests in parallel kvm tools: Allow giving instance names kvm tools: Provide instance name when running 'kvm debug' kvm tools: Provide instance name when running 'kvm pause' kvm tools: Add virtio-balloon device kvm tools: Advise memory allocated for guest RAM as KSM mergable kvm tools: Add 'kvm balloon' command kvm tools: Stop VCPUs before freeing struct kvm kvm tools: Fix home dir resolution kvm tools: Give guest instances default name kvm tools: Add instance enumerator kvm tools: Add 'kvm list' command kvm tools: Allow pausing and debugging all running instances kvm tools: Export kvm__remove_pidfile kvm tools: Clean ghost pid files in 'kvm list' kvm tools: Add 'kvm version' command kvm tools: Properly add 'kvm list' to command list kvm tools: Properly add 'kvm debug' to command list kvm tools: Update 'kvm pause' documentation kvm tools: Properly add 'kvm balloon' to command list kvm tools: Rename command source files kvm tools: Rename debug options under 'kvm run' kvm tools: Fix leaked descriptors kvm tools: Update README kvm tools: Implement VIRTIO_BLK_T_GET_ID kvm tools: Update max VCPU limit kvm tools: Fix warning on 32bit kvm tools: Set hardcoded MAC to local administered tools/kvm/.gitignore | 9 + tools/kvm/CREDITS-Git | 30 ++ tools/kvm/Documentation/kvm-balloon.txt | 24 + tools/kvm/Documentation/kvm-debug.txt | 16 + tools/kvm/Documentation/kvm-list.txt | 16 + tools/kvm/Documentation/kvm-pause.txt | 16 + tools/kvm/Documentation/kvm-run.txt | 63 +++ tools/kvm/Documentation/kvm-version.txt | 21 + tools/kvm/Makefile | 269 ++++++++++ tools/kvm/README | 109 ++++ tools/kvm/bios.c | 157 ++++++ tools/kvm/bios/.gitignore | 3 + tools/kvm/bios/bios-rom.S | 12 + tools/kvm/bios/bios.S | 89 ++++ tools/kvm/bios/e820.c | 69 +++ tools/kvm/bios/gen-offsets.sh | 14 + tools/kvm/bios/int10.c | 163 ++++++ tools/kvm/bios/local.S | 7 + tools/kvm/bios/macro.S | 25 + tools/kvm/bios/rom.ld.S | 17 + tools/kvm/builtin-balloon.c | 34 ++ tools/kvm/builtin-debug.c | 32 ++ 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