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2017-09-26hw/display/xenfb.c: Add trace_xenfb_key_eventLiang Yan
It may be better to add a trace event to monitor the last moment of a key event from QEMU to guest VM Signed-off-by: Liang Yan <lyan@suse.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26aux-to-i2c-bridge: don't allow user to create oneKONRAD Frederic
This device is private and is created once per aux-bus. So don't allow the user to create one from command-line. Reported-by: Thomas Huth <thuth@redhat.com> Signed-off-by: KONRAD Frederic <frederic.konrad@adacore.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26util/qemu-thread-posix.c: Replace OS ifdefs with CONFIG_HAVE_SEM_TIMEDWAITPeter Maydell
In qemu-thread-posix.c we have two implementations of the various qemu_sem_* functions, one of which uses native POSIX sem_* and the other of which emulates them with pthread conditions. This is necessary because not all our host OSes support sem_timedwait(). Instead of a hard-coded list of OSes which don't implement sem_timedwait(), which gets out of date, make configure test for the presence of the function and set a new CONFIG_HAVE_SEM_TIMEDWAIT appropriately. In particular, newer NetBSDs have sem_timedwait(), so this commit will switch them over to using it. OSX still does not have an implementation. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Kamil Rytarowski <n54@gmx.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26MAINTAINERS: update docs/interop/ entriesPhilippe Mathieu-Daudé
moved in commit 7746cf8aab68 Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Fam Zheng <famz@redhat.com> Acked-by: John Snow <jsnow@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26MAINTAINERS: update docs/devel/ entriesPhilippe Mathieu-Daudé
moved in commit ac06724a7158 Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26MAINTAINERS: add missing Cryptography entryPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26MAINTAINERS: add missing entry for Generic LoaderPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26MAINTAINERS: add missing AIO entryPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26MAINTAINERS: add missing entries for throttling infraPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26MAINTAINERS: add missing SSI entriesPhilippe Mathieu-Daudé
Alistair Francis volunteered :) Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Alistair Francis <alistair.francis@xilinx.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26MAINTAINERS: add missing PCI entriesPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Marcel Apfelbaum <marcel@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26MAINTAINERS: add missing qcow2 entryPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26MAINTAINERS: add missing Guest Agent entriesPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26MAINTAINERS: add missing VMWare entryPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Dmitry Fleytman <dmitry@daynix.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26MAINTAINERS: add missing entry for vhostPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26MAINTAINERS: add missing STM32 entryPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Alistair Francis <alistair@alistair23.me> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26MAINTAINERS: add missing ARM entriesPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26Replace round_page() with TARGET_PAGE_ALIGN()Kamil Rytarowski
This change fixes conflict with the DragonFly BSD headers. Signed-off-by: Kamil Rytarowski <n54@gmx.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-26configure: Remove unused code (found by shellcheck)Stefan Weil
smartcard_cflags is no longer needed since commit 0b22ef0f57a8910d849602bef0940edcd0553d2c. Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-09-25Merge remote-tracking branch 'remotes/thibault/tags/samuel-thibault' into ↵Peter Maydell
staging slirp updates # gpg: Signature made Sun 24 Sep 2017 19:07:51 BST # gpg: using RSA key 0x9E511E01C737F075 # gpg: Good signature from "Samuel Thibault <samuel.thibault@aquilenet.fr>" # gpg: aka "Samuel Thibault <sthibault@debian.org>" # gpg: aka "Samuel Thibault <samuel.thibault@gnu.org>" # gpg: aka "Samuel Thibault <samuel.thibault@inria.fr>" # gpg: aka "Samuel Thibault <samuel.thibault@labri.fr>" # gpg: aka "Samuel Thibault <samuel.thibault@ens-lyon.org>" # gpg: aka "Samuel Thibault <samuel.thibault@u-bordeaux.fr>" # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # Primary key fingerprint: 900C B024 B679 31D4 0F82 304B D017 8C76 7D06 9EE6 # Subkey fingerprint: 9A37 3D36 64A8 DC62 DA0A 34FD 9E51 1E01 C737 F075 * remotes/thibault/tags/samuel-thibault: slirp: Add a special case for the NULL socket slirp: Fix intermittent send queue hangs on a socket slirp: Add explanation for hostfwd parsing failure Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-24slirp: Add a special case for the NULL socketKevin Cernekee
NULL sockets are used for NDP, BOOTP, and other critical operations. If the topmost mbuf in a NULL session is blocked pending resolution, it may cause problems if it blocks other packets with a NULL socket. So do not add mbufs with a NULL socket field to the same session. Signed-off-by: Kevin Cernekee <cernekee@chromium.org> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-09-24slirp: Fix intermittent send queue hangs on a socketKevin Cernekee
if_output() originally sent one mbuf per call and used the slirp->next_m variable to keep track of where it left off. But nowadays it tries to send all of the mbufs from the fastq, and one mbuf from each session on the batchq. The next_m variable is both redundant and harmful: there is a case[0] involving delayed packets in which next_m ends up pointing to &slirp->if_batchq when an active session still exists, and this blocks all traffic for that session until qemu is restarted. The test case was created to reproduce a problem that was seen on long-running Chromium OS VM tests[1] which rapidly create and destroy ssh connections through hostfwd. [0] https://pastebin.com/NNy6LreF [1] https://bugs.chromium.org/p/chromium/issues/detail?id=766323 Signed-off-by: Kevin Cernekee <cernekee@chromium.org> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-09-24slirp: Add explanation for hostfwd parsing failureDr. David Alan Gilbert
e.g. ./x86_64-softmmu/qemu-system-x86_64 -nographic -netdev 'user,id=vnet,hostfwd=:555.0.0.0:0-:22' qemu-system-x86_64: -netdev user,id=vnet,hostfwd=:555.0.0.0:0-:22: Invalid host forwarding rule ':555.0.0.0:0-:22' (Bad host address) Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-09-23Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
* Speed up AddressSpaceDispatch creation (Alexey) * Fix kvm.c assert (David) * Memory fixes and further speedup (me) * Persistent reservation manager infrastructure (me) * virtio-serial: add enable_backend callback (Pavel) * chardev GMainContext fixes (Peter) # gpg: Signature made Fri 22 Sep 2017 20:07:33 BST # gpg: using RSA key 0xBFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (32 commits) chardev: remove context in chr_update_read_handler chardev: use per-dev context for io_add_watch_poll chardev: add Chardev.gcontext field chardev: new qemu_chr_be_update_read_handlers() scsi: add persistent reservation manager using qemu-pr-helper scsi: add multipath support to qemu-pr-helper scsi: build qemu-pr-helper scsi, file-posix: add support for persistent reservation management memory: Share special empty FlatView memory: seek FlatView sharing candidates among children subregions memory: trace FlatView creation and destruction memory: Create FlatView directly memory: Get rid of address_space_init_shareable memory: Rework "info mtree" to print flat views and dispatch trees memory: Do not allocate FlatView in address_space_init memory: Share FlatView's and dispatch trees between address spaces memory: Move address_space_update_ioeventfds memory: Alloc dispatch tree where topology is generared memory: Store physical root MR in FlatView memory: Rename mem_begin/mem_commit/mem_add helpers ... # Conflicts: # configure
2017-09-22chardev: remove context in chr_update_read_handlerPeter Xu
We had a per-chardev cache for context, then we don't need this parameter to be passed in every time when chr_update_read_handler() called. As long as we are calling chr_update_read_handler() using qemu_chr_be_update_read_handlers() we'll be fine. Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <1505975754-21555-5-git-send-email-peterx@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-22chardev: use per-dev context for io_add_watch_pollPeter Xu
It was only passed in by chr_update_read_handlers(). However when reconnect, we'll lose that context information. So if a chardev was running on another context (rather than the default context, the NULL pointer), it'll switch back to the default context if reconnection happens. But, it should really stick to the old context. Convert all the callers of io_add_watch_poll() to use the internally cached gcontext. Then the context should be able to survive even after reconnections. Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <1505975754-21555-4-git-send-email-peterx@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-22chardev: add Chardev.gcontext fieldPeter Xu
It caches the gcontext that is used to poll the chardev IO. Before this patch, we only passed it in via chr_update_read_handlers(). However that may not be enough if the char backend is disconnected and reconnected afterward. There are chardev codes that still assumed the context be NULL (which is the main context). Will fix that up in following up patches. Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <1505975754-21555-3-git-send-email-peterx@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-22chardev: new qemu_chr_be_update_read_handlers()Peter Xu
Add a wrapper for the chr_update_read_handler(). Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <1505975754-21555-2-git-send-email-peterx@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-22scsi: add persistent reservation manager using qemu-pr-helperPaolo Bonzini
This adds a concrete subclass of pr-manager that talks to qemu-pr-helper. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-22scsi: add multipath support to qemu-pr-helperPaolo Bonzini
Proper support of persistent reservation for multipath devices requires communication with the multipath daemon, so that the reservation is registered and applied when a path comes up. The device mapper utilities provide a library to do so; this patch makes qemu-pr-helper.c detect multipath devices and, when one is found, delegate the operation to libmpathpersist. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-22scsi: build qemu-pr-helperPaolo Bonzini
Introduce a privileged helper to run persistent reservation commands. This lets virtual machines send persistent reservations without using CAP_SYS_RAWIO or out-of-tree patches. The helper uses Unix permissions and SCM_RIGHTS to restrict access to processes that can access its socket and prove that they have an open file descriptor for a raw SCSI device. The next patch will also correct the usage of persistent reservations with multipath devices. It would also be possible to support for Linux's IOC_PR_* ioctls in the future, to support NVMe devices. For now, however, only SCSI is supported. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-09-22Merge remote-tracking branch ↵Peter Maydell
'remotes/ehabkost/tags/python-next-pull-request' into staging Python queue, 2017-09-22 * MAINTAINERS update * Fix logging issue on test scripts using qemu.py # gpg: Signature made Fri 22 Sep 2017 15:41:43 BST # gpg: using RSA key 0x2807936F984DC5A6 # gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" # Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6 * remotes/ehabkost/tags/python-next-pull-request: MAINTAINERS: Add Python scripts qemu.py: Call logging.basicConfig() automatically Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-22MAINTAINERS: Add Python scriptsEduardo Habkost
Cleber and I are volunteering to review and queue patches for the Python scripts and modules in scripts/. I'm setting "M: Odd fixes" because not all scripts are actively maintained. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20170915230744.22942-1-ehabkost@redhat.com> [ehabkost: add tests/*.py too] Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-22qemu.py: Call logging.basicConfig() automaticallyEduardo Habkost
Not all scripts using qemu.py configure the Python logging module, and end up generating a "No handlers could be found for logger" message instead of actual log messages. To avoid requiring every script using qemu.py to configure logging manually, call basicConfig() when creating a QEMUMachine object. This won't affect scripts that already set up logging, but will ensure that scripts that don't configure logging keep working. Reported-by: Kevin Wolf <kwolf@redhat.com> Fixes: 4738b0a85a0c2031fddc71b51cccebce0c4ba6b1 Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20170921162234.847-1-ehabkost@redhat.com> Reviewed-by: Cleber Rosa <crosa@redhat.com> Acked-by: Lukáš Doktor <ldoktor@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-09-22Merge remote-tracking branch ↵Peter Maydell
'remotes/juanquintela/tags/migration/20170922-1' into staging migration/next for 20170922 # gpg: Signature made Fri 22 Sep 2017 13:15:06 BST # gpg: using RSA key 0xF487EF185872D723 # gpg: Good signature from "Juan Quintela <quintela@redhat.com>" # gpg: aka "Juan Quintela <quintela@trasno.org>" # Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723 * remotes/juanquintela/tags/migration/20170922-1: migration: split ufd_version_check onto receive/request features part migration: fix hardcoded function name in error report migration: pass MigrationIncomingState* into migration check functions migration: split common postcopy out of ram postcopy migration: fix ram_save_pending migration: add has_postcopy savevm handler bitmap: provide to_le/from_le helpers bitmap: introduce bitmap_count_one() bitmap: remove BITOP_WORD() migration: Split migration_fd_process_incoming migration: Create multifd migration threads migration: Create x-multifd-page-count parameter migration: Create x-multifd-channels parameter migration: Add multifd capability migration: Create migration_has_all_channels migration: Add comments to channel functions migration: Teach it about G_SOURCE_REMOVE migration: Create migration_ioc_process_incoming() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-22ide: fix enum comparison for gcc 4.7John Snow
Apparently GCC gets bent over comparing enum values against zero. Replace the conditional with something less readable. Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20170921013821.1673-1-jsnow@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-22migration: split ufd_version_check onto receive/request features partAlexey Perevalov
This modification is necessary for userfault fd features which are required to be requested from userspace. UFFD_FEATURE_THREAD_ID is a one of such "on demand" feature, which will be introduced in the next patch. QEMU have to use separate userfault file descriptor, due to userfault context has internal state, and after first call of ioctl UFFD_API it changes its state to UFFD_STATE_RUNNING (in case of success), but kernel while handling ioctl UFFD_API expects UFFD_STATE_WAIT_API. So only one ioctl with UFFD_API is possible per ufd. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Alexey Perevalov <a.perevalov@samsung.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-09-22migration: fix hardcoded function name in error reportAlexey Perevalov
Reviewed-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Alexey Perevalov <a.perevalov@samsung.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-09-22migration: pass MigrationIncomingState* into migration check functionsAlexey Perevalov
That tiny refactoring is necessary to be able to set UFFD_FEATURE_THREAD_ID while requesting features, and then to create downtime context in case when kernel supports it. Signed-off-by: Alexey Perevalov <a.perevalov@samsung.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-09-22migration: split common postcopy out of ram postcopyVladimir Sementsov-Ogievskiy
Split common postcopy staff from ram postcopy staff. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-09-22migration: fix ram_save_pendingVladimir Sementsov-Ogievskiy
Fill postcopy-able pending only if ram postcopy is enabled. It is necessary because of there will be other postcopy-able states and when ram postcopy is disabled, it should not spoil common postcopy related pending. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-09-22migration: add has_postcopy savevm handlerVladimir Sementsov-Ogievskiy
Now postcopy-able states are recognized by not NULL save_live_complete_postcopy handler. But when we have several different postcopy-able states, it is not convenient. Ram postcopy may be disabled, while some other postcopy enabled, in this case Ram state should behave as it is not postcopy-able. This patch add separate has_postcopy handler to specify behaviour of savevm state. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-09-22bitmap: provide to_le/from_le helpersPeter Xu
Provide helpers to convert bitmaps to little endian format. It can be used when we want to send one bitmap via network to some other hosts. One thing to mention is that, these helpers only solve the problem of endianess, but it does not solve the problem of different word size on machines (the bitmaps managing same count of bits may contains different size when malloced). So we need to take care of the size alignment issue on the callers for now. Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-09-22bitmap: introduce bitmap_count_one()Peter Xu
Count how many bits set in the bitmap. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-09-22bitmap: remove BITOP_WORD()Peter Xu
We have BIT_WORD(). It's the same. Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2017-09-22migration: Split migration_fd_process_incomingJuan Quintela
We need that on later patches. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
2017-09-22migration: Create multifd migration threadsJuan Quintela
Creation of the threads, nothing inside yet. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> -- Use pointers instead of long array names Move to use semaphores instead of conditions as paolo suggestion Put all the state inside one struct. Use a counter for the number of threads created. Needed during cancellation. Add error return to thread creation Add id field Rename functions to multifd_save/load_setup/cleanup Change recv parameters to a pointer to struct Change back to a struct Use Error * for _cleanup
2017-09-22migration: Create x-multifd-page-count parameterJuan Quintela
Indicates how many pages we are going to send in each batch to a multifd thread. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> -- Be consistent with defaults and documentation Use new DEFINE_PROP_* Rename x-multifd-group to x-multifd-page-count
2017-09-22migration: Create x-multifd-channels parameterJuan Quintela
Indicates the number of channels that we will create. By default we create 2 channels. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> -- Catch inconsistent defaults (eric). Improve comment stating that number of threads is the same than number of sockets Use new DEFIN_PROP_* Rename x-multifd-threads to x-multifd-threads
2017-09-22migration: Add multifd capabilityJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> -- Use new DEFINE_PROP
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