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98a8b52442
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Alexey Kardashevskiy 98a8b52442 spapr: Add support for time base offset migration 
This allows guests to have a different timebase origin from the host.

This is needed for migration, where a guest can migrate from one host
to another and the two hosts might have a different timebase origin.
However, the timebase seen by the guest must not go backwards, and
should go forwards only by a small amount corresponding to the time
taken for the migration.

This is only supported for recent POWER hardware which has the TBU40
(timebase upper 40 bits) register. That includes POWER6, 7, 8 but not
970.

This adds kvm_access_one_reg() to access a special register which is not
in env->spr. This requires kvm_set_one_reg/kvm_get_one_reg patch.

The feature must be present in the host kernel.

This bumps vmstate_spapr::version_id and enables new vmstate_ppc_timebase
only for it. Since the vmstate_spapr::minimum_version_id remains
unchanged, migration from older QEMU is supported but without
vmstate_ppc_timebase.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2014-06-16 13:24:35 +02:00
audio audio: Drop superfluous conditionals around g_free() 2014-06-13 12:34:54 +02:00
backends build: convert some obj-specific CFLAGS to use new foo.o-cflags syntax 2014-05-08 15:27:49 +02:00
block vdi: remove double conversion 2014-06-10 19:39:34 +04:00
bsd-user bsd-user: Fix syscall format, add strace support for more syscalls 2014-06-11 00:25:06 +01:00
default-configs target-ppc: Enable Building of libdecnumber 2014-06-16 13:24:29 +02:00
disas disas/libvixl: Update to libvixl 1.4 2014-05-13 16:09:35 +01:00
docs libcacard: improve documentation 2014-06-10 07:44:01 +02:00
dtc@bc895d6d09 dtc: add submodule 2013-04-18 13:50:53 +02:00
fpu softfloat: Introduce float32_to_uint64_round_to_zero 2014-04-08 11:20:00 +02:00
fsdev virtfs-proxy-helper: fix call to accept 2014-04-28 08:55:32 +04:00
gdb-xml target-arm: Support fp registers in gdb stub 2013-12-17 19:42:32 +00:00
hw spapr: Add support for time base offset migration 2014-06-16 13:24:35 +02:00
include spapr: Add support for time base offset migration 2014-06-16 13:24:35 +02:00
libcacard Merge remote-tracking branch 'remotes/bonzini/configure' into staging 2014-06-11 15:36:48 +01:00
libdecnumber libdecnumber: Fix decNumberSetBCD 2014-06-16 13:24:29 +02:00
linux-headers linux-headers: update 2014-05-20 13:05:58 +02:00
linux-user target-arm: A64: Implement two-register SHA instructions 2014-06-09 16:06:12 +01:00
net net: Export valid host network devices list 2014-06-11 10:10:29 -04:00
pc-bios PPC: Add u-boot firmware for e500 2014-06-16 13:24:35 +02:00
pixman@97336fad32 qapi: move include files to include/qobject/ 2012-12-19 08:31:31 +01:00
po po: add proper Language: tags to .po files 2014-04-28 08:55:32 +04:00
qapi qapi: Extract qapi/block.json definitions 2014-06-06 16:25:48 +02:00
qga qga: Fix handle fd leak in acquire_privilege() 2014-06-03 15:07:59 -05:00
qobject json-parser: drop superfluous assignment for token variable 2014-06-11 10:10:29 -04:00
qom qerror.h: Remove QERR defines that are only used once 2014-04-25 09:19:59 -04:00
roms PPC: Add u-boot firmware for e500 2014-06-16 13:24:35 +02:00
scripts trace: Multi-backend tracing 2014-06-09 15:43:40 +02:00
slirp slirp: Remove unused zero_ethaddr[] variable 2014-06-10 19:39:34 +04:00
stubs qerror.h: Replace QERR_NOT_SUPPORTED with QERR_UNSUPPORTED 2014-04-25 09:19:59 -04:00
sysconfigs/target Eliminate cpus-x86_64.conf file 2012-09-21 15:12:58 +02:00
target-alpha softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
target-arm target-arm: Use Common Tables in AES Instructions 2014-06-16 13:24:33 +02:00
target-cris target-cris/translate.c: Remove _t_gen_mov_TN_env and _t_gen_mov_env_TN 2014-06-09 01:04:44 +02:00
target-i386 target-i386: Use Common ShiftRows and InvShiftRows Tables 2014-06-16 13:24:33 +02:00
target-lm32 softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
target-m68k softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
target-microblaze target-microblaze: Delete unused sign_extend() function 2014-06-10 19:39:34 +04:00
target-mips softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
target-moxie softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
target-openrisc softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
target-ppc spapr: Add support for time base offset migration 2014-06-16 13:24:35 +02:00
target-s390x s390x/kvm: inject via flic 2014-06-10 09:50:27 +02:00
target-sh4 softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
target-sparc softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
target-unicore32 softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
target-xtensa softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
tcg Merge remote-tracking branch 'remotes/bonzini/softmmu-smap' into staging 2014-06-05 21:06:14 +01:00
tests vmstate: Refactor opening of files 2014-06-16 04:55:27 +02:00
trace glib-compat.h: add new thread API emulation on top of pre-2.31 API 2014-06-10 07:44:01 +02:00
ui spice: add mouse cursor support 2014-06-13 12:34:57 +02:00
util util: Add InvMixColumns 2014-06-16 13:24:33 +02:00
.exrc
.gitignore configure: Put tempfiles in a subdir of the build directory 2014-05-24 00:34:38 +04:00
.gitmodules PPC: Add u-boot firmware for e500 2014-06-16 13:24:35 +02:00
.mailmap Update mailmap 2013-09-05 09:40:31 -05:00
.travis.yml trace: Multi-backend tracing 2014-06-09 15:43:40 +02:00
aio-posix.c aio: make aio_poll(ctx, true) block with no fds 2013-12-06 16:53:51 +01:00
aio-win32.c aio: make aio_poll(ctx, true) block with no fds 2013-12-06 16:53:51 +01:00
arch_init.c migration: catch unknown flags in ram_load 2014-06-16 04:55:27 +02:00
async.c aio: fix qemu_bh_schedule() bh->ctx race condition 2014-06-04 09:56:06 +02:00
balloon.c softmmu: move include files to include/sysemu/ 2012-12-19 08:32:45 +01:00
block-migration.c block: fix wrong order in live block migration setup 2014-06-04 11:22:39 +02:00
block.c throttle: add throttle_detach/attach_aio_context() 2014-06-04 09:56:12 +02:00
blockdev-nbd.c nbd: Close socket on negotiation failure. 2014-05-24 00:07:29 +04:00
blockdev.c blockdev: acquire AioContext in block_set_io_throttle 2014-06-04 09:56:12 +02:00
blockjob.c block: Move op_blocker check from block_job_create to its caller 2014-05-28 14:28:46 +02:00
bt-host.c sysemu: avoid proliferation of include/ subdirectories 2013-04-15 18:19:25 +02:00
bt-vhci.c sysemu: avoid proliferation of include/ subdirectories 2013-04-15 18:19:25 +02:00
Changelog Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
CODING_STYLE CODING_STYLE: Section about mixed declarations 2014-03-27 19:22:49 +04:00
configure PPC: Add u-boot firmware for e500 2014-06-16 13:24:35 +02:00
COPYING
COPYING.LIB
coroutine-gthread.c glib-compat.h: add new thread API emulation on top of pre-2.31 API 2014-06-10 07:44:01 +02:00
coroutine-sigaltstack.c Merge remote-tracking branch 'kwolf/for-anthony' into staging 2013-02-26 07:44:39 -06:00
coroutine-ucontext.c Fix warnings suppressors to honor --disable-werror 2013-04-17 10:28:04 -05:00
coroutine-win32.c block: move include files to include/block/ 2012-12-19 08:31:31 +01:00
cpu-exec.c cpu: make CPU_INTERRUPT_RESET available on all targets 2014-05-13 13:21:51 +02:00
cpus.c savevm: Remove all the unneeded version_minimum_id_old (rest) 2014-05-14 15:24:51 +02:00
cputlb.c softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
device_tree.c device_tree: qemu_fdt_setprop: Rename val_array arg 2013-12-20 01:58:12 +01:00
device-hotplug.c machine: Remove QEMUMachine indirection from MachineClass 2014-05-05 19:08:49 +02:00
disas.c monitor: QEMU Monitor Instruction Disassembly Incorrect for PowerPC LE Mode 2014-06-16 13:24:26 +02:00
dma-helpers.c dma-helpers: avoid calling dma_bdrv_unmap() twice 2014-05-24 00:28:43 +04:00
dump.c dump: simplify get_len_buf_out() 2014-06-11 10:10:28 -04:00
exec.c savevm: Remove all the unneeded version_minimum_id_old (rest) 2014-05-14 15:24:51 +02:00
gdbstub.c exec: Change cpu_breakpoint_{insert,remove{,_by_ref,_all}} argument 2014-03-13 19:20:48 +01:00
HACKING HACKING: Document vaddr type usage 2013-07-23 02:41:31 +02:00
hmp-commands.hx monitor: Add delvm and loadvm argument completion 2014-06-11 10:10:29 -04:00
hmp.c Block patches 2014-05-20 11:57:52 +01:00
hmp.h monitor: Add delvm and loadvm argument completion 2014-06-11 10:10:29 -04:00
iohandler.c iohandler.c: Properly initialize sigaction struct 2014-05-24 00:07:29 +04:00
ioport.c portio: Allow to mark portio lists as coalesced MMIO flushing 2013-10-17 17:24:15 +02:00
iothread.c iothread: make IOThread struct definition public 2014-04-04 20:48:02 +02:00
kvm-all.c Merge remote-tracking branch 'remotes/kvm/uq/master' into staging 2014-06-05 19:16:28 +01:00
kvm-stub.c s390x/virtio-ccw: wire up irq routing and irqfds 2014-05-20 13:05:58 +02:00
LICENSE LICENSE: clarify 2013-08-12 09:15:12 -05:00
main-loop.c main-loop: Suppress "I/O thread spun" warnings for qtest 2014-03-13 21:36:50 +01:00
MAINTAINERS MAINTAINERS: update Calxeda Highbank maintainer and status 2014-05-27 17:09:49 +01:00
Makefile trace: Multi-backend tracing 2014-06-09 15:43:40 +02:00
Makefile.objs libcacard: remove libcacard-specific CFLAGS and LIBS from global vars 2014-05-09 22:59:40 +02:00
Makefile.target target-ppc: Enable Building of libdecnumber 2014-06-16 13:24:29 +02:00
memory_mapping.c cpu: Use QTAILQ for CPU list 2013-09-03 12:25:55 +02:00
memory.c memory: Sanity check that no listeners remain on a destroyed AddressSpace 2014-05-30 12:59:00 -06:00
migration-exec.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
migration-fd.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
migration-rdma.c rdma: Fix block during rdma migration 2014-06-16 04:55:27 +02:00
migration-tcp.c Coverity: Fix failure path for qemu_accept in migration 2014-05-05 22:15:03 +02:00
migration-unix.c Coverity: Fix failure path for qemu_accept in migration 2014-05-05 22:15:03 +02:00
migration.c migration: catch unknown flags in ram_load 2014-06-16 04:55:27 +02:00
module-common.c module: implement module loading 2014-02-20 13:14:18 +01:00
monitor.c monitor: QEMU Monitor Instruction Disassembly Incorrect for PowerPC LE Mode 2014-06-16 13:24:26 +02:00
nbd.c nbd: Miscellaneous typo fixes. 2014-05-24 00:07:29 +04:00
os-posix.c oslib-posix: Fix build on FreeBSD 2014-03-13 14:34:16 +00:00
os-win32.c util: Split out exec_dir from os_find_datadir 2014-02-20 13:12:54 +01:00
page_cache.c migration: Plug memory leak in migrate-set-cache-size command 2014-06-10 19:54:43 +04:00
qapi-schema.json qapi: Extract qapi/block.json definitions 2014-06-06 16:25:48 +02:00
qdev-monitor.c qdev: Implement named GPIOs 2014-05-28 17:36:21 +02:00
qdict-test-data.txt
qemu-bridge-helper.c qemu-bridge-helper: force usage of a very high MAC address for the bridge 2013-03-28 12:58:52 -05:00
qemu-char.c char: fix avail_connections init in qemu_chr_open_eventfd() 2014-06-13 12:34:55 +02:00
qemu-coroutine-io.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
qemu-coroutine-lock.c coroutine: remove qemu_co_queue_wait_insert_head 2013-12-02 17:11:49 +01:00
qemu-coroutine-sleep.c coroutine: add co_aio_sleep_ns() to allow sleep in block drivers 2013-10-30 12:22:09 +01:00
qemu-coroutine.c coroutine: add ./configure --disable-coroutine-pool 2013-09-12 10:12:48 +02:00
qemu-doc.texi doc: grammify "allows to" 2014-04-18 10:33:36 +04:00
qemu-file.c Make qemu_peek_buffer loop until it gets it's data 2014-05-05 22:15:03 +02:00
qemu-img-cmds.hx qemu-img: add -l for snapshot in convert 2013-12-04 15:19:00 +01:00
qemu-img.c qemu-img: Document check exit codes 2014-06-04 11:30:32 +02:00
qemu-img.texi qemu-img: Document check exit codes 2014-06-04 11:30:32 +02:00
qemu-io-cmds.c qemu-io-cmds: Fixed typo in example for writev. 2014-03-19 09:39:41 +01:00
qemu-io.c trace: Multi-backend tracing 2014-06-09 15:43:40 +02:00
qemu-log.c qemu-log: default to stderr for logging output 2013-02-26 13:31:47 -06:00
qemu-nbd.c qemu-nbd: Don't use qerror_report() 2014-05-28 14:28:46 +02:00
qemu-nbd.texi nbd: Miscellaneous typo fixes. 2014-05-24 00:07:29 +04:00
qemu-options-wrapper.h
qemu-options.h
qemu-options.hx pc,pci,virtio,qdev fixes, tests 2014-06-05 21:52:37 +01:00
qemu-seccomp.c seccomp: add shmctl(), mlock(), and munlock() to the syscall whitelist 2014-04-25 14:52:03 -03:00
qemu-tech.texi qemu-tech.texi: update implemented xtensa features list 2012-11-29 13:00:52 -06:00
qemu-timer.c vl.c: remove init_clocks call from main 2014-05-09 20:57:32 +02:00
qemu.nsi nsis: Improved support for parallel installation of 32 and 64 bit code 2013-11-07 07:02:44 +01:00
qemu.sasl sasl: Avoid 'Could not find keytab file' in syslog 2014-03-15 13:54:18 +04:00
qmp-commands.hx Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into staging 2014-05-22 19:04:49 +01:00
qmp.c qmp: Don't use error_is_set() to suppress additional errors 2014-05-09 09:11:32 -04:00
qtest.c qtest: fix hex2nib for capital characters 2014-06-10 19:39:34 +04:00
README Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
rules.mak rules.mak: Rewrite unnest-vars 2014-06-10 13:59:02 +02:00
savevm.c qerror.h: Remove QERR defines that are only used once 2014-04-25 09:19:59 -04:00
softmmu_template.h softmmu: move softmmu_template.h out of include/ 2014-06-05 16:10:33 +02:00
spice-qemu-char.c spice: hook qemu_chr_fe_set_open() event to ports 2014-02-03 11:05:15 +01:00
tcg-runtime.c tcg: Push tcg-runtime routines into exec/helper-* 2014-05-28 09:33:54 -07:00
tci.c Merge remote-tracking branch 'remotes/bonzini/softmmu-smap' into staging 2014-06-05 21:06:14 +01:00
thread-pool.c aio: Fix use-after-free in cancellation path 2014-05-28 14:28:46 +02:00
thunk.c exec: move include files to include/exec/ 2012-12-19 08:31:31 +01:00
tpm.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
trace-events spapr: Add support for time base offset migration 2014-06-16 13:24:35 +02:00
translate-all.c tcg-mips: Constrain the code_gen_buffer to be within one 256mb segment 2014-05-24 08:45:00 -07:00
translate-all.h translate-all: Change tb_check_watchpoint() argument to CPUState 2014-03-13 19:20:48 +01:00
user-exec.c softmmu: introduce cpu_ldst.h 2014-06-05 16:10:33 +02:00
VERSION Open 2.1 development tree 2014-04-17 20:39:32 +01:00
version.rc Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
vl.c trace: Multi-backend tracing 2014-06-09 15:43:40 +02:00
vmstate.c savevm: Ignore minimum_version_id_old if there is no load_state_old 2014-05-05 22:15:03 +02:00
xbzrle.c xbzrle.c: Avoid undefined behaviour with signed arithmetic 2014-04-18 10:33:36 +04:00
xen-common-stub.c xen: factor out common functions 2014-05-07 16:16:43 +00:00
xen-common.c xen: factor out common functions 2014-05-07 16:16:43 +00:00
xen-hvm-stub.c xen: factor out common functions 2014-05-07 16:16:43 +00:00
xen-hvm.c xen: replace ffsl with ctzl 2014-06-11 00:25:06 +01:00
xen-mapcache.c hw: move headers to include/ 2013-04-08 18:13:10 +02:00

README 

Read the documentation in qemu-doc.html or on http://wiki.qemu-project.org

- QEMU team