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2014-06-23qapi event: clean upWenchao Xia1-40/+0
Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-06-23qmp: convert ACPI_DEVICE_OST eventIgor Mammedov1-1/+0
... using new QAPI event infrastructure Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-06-19qmp: add ACPI_DEVICE_OST event handlingIgor Mammedov1-0/+1
emits event when ACPI OSPM evaluates _OST method of ACPI device. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-05-08monitor: add Error-propagating monitor_handle_fd_param2()Laszlo Ersek1-0/+1
and rebase monitor_handle_fd_param() to it. (Note that this will slightly change the behavior when the qemu_parse_fd() branch is selected and it fails: we now report (and in case of QMP, set) the error immediately, rather than allowing the caller to set its own error message (if any)). Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-04-25monitor: Remove unused monitor_print_filenameCole Robinson1-1/+0
Cc: Luiz Capitulino <lcapitulino@redhat.com> Cc: Markus Armbruster <armbru@redhat.com> Signed-off-by: Cole Robinson <crobinso@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-02-21quorum: Add quorum mechanism.Benoît Canet1-0/+2
This patchset enables the core of the quorum mechanism. The num_children reads are compared to get the majority version and if this version exists more than threshold times the guest won't see the error at all. If a block is corrupted or if an error occurs during an IO or if the quorum cannot be established QMP events are used to report to the management. Use gnutls's SHA-256 to compare versions. --enable-quorum must be used to enable the feature. Signed-off-by: Benoit Canet <benoit@irqsave.net> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-01-22readline: move readline to a generic locationStefan Hajnoczi2-63/+1
Now that the monitor and readline are decoupled, readline.h no longer belongs in include/monitor/. Put the header into include/qemu/. Move the source file into util/ so it can be linked as part of libqemuutil.a. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-01-22readline: decouple readline from the monitorStefan Hajnoczi1-7/+13
Make the readline.c functionality reusable. Instead of calling monitor_printf() and monitor_flush() directly, invoke function pointers provided by the user. This way readline.c does not know about Monitor and other users will be able to make use of readline.c. Note that there is already an "opaque" argument to the ReadLineFunc callback. Consistently call it "readline_opaque" from now on to distinguish from the ReadLinePrintfFunc/ReadLineFlushFunc "opaque" argument. I also dropped the printf macro trickery since it's now highly unlikely that anyone modifying readline.c would call printf(3) directly. We no longer need this protection. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-01-06monitor: add object-add (QMP) and object_add (HMP) commandPaolo Bonzini1-0/+3
Add two commands that are the monitor counterparts of -object. The commands have the same Visitor-based implementation, but use different kinds of visitors so that the HMP command has a DWIM string-based syntax, while the QMP variant accepts a stricter JSON-based properties dictionary. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Tested-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-09-03Merge remote-tracking branch 'kwolf/for-anthony' into stagingAnthony Liguori1-0/+1
# By Max Reitz (11) and others # Via Kevin Wolf * kwolf/for-anthony: (26 commits) qemu-iotests: Overlapping cluster allocations qcow2_check: Mark image consistent qcow2-refcount: Repair shared refcount blocks qcow2-refcount: Repair OFLAG_COPIED errors qcow2-refcount: Move OFLAG_COPIED checks qcow2: Employ metadata overlap checks qcow2: Metadata overlap checks qcow2: Add corrupt bit qemu-iotests: Snapshotting zero clusters qcow2-refcount: Snapshot update for zero clusters option: Add assigned flag to QEMUOptionParameter gluster: Abort on AIO completion failure block: Remove old raw driver switch raw block driver from "raw.o" to "raw_bsd.o" raw_bsd: register bdrv_raw raw_bsd: add raw_create_options raw_bsd: introduce "special members" raw_bsd: add raw_create() raw_bsd: emit debug events in bdrv_co_readv() and bdrv_co_writev() add skeleton for BSD licensed "raw" BlockDriver ... Message-id: 1378111792-20436-1-git-send-email-kwolf@redhat.com Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
2013-08-30qcow2: Metadata overlap checksMax Reitz1-0/+1
Two new functions are added; the first one checks a given range in the image file for overlaps with metadata (main header, L1 tables, L2 tables, refcount table and blocks). The second one should be used immediately before writing to the image file as it calls the first function and, upon collision, marks the image as corrupt and makes the BDS unusable, thereby preventing further access. Both functions take a bitmask argument specifying the structures which should be checked for overlaps, making it possible to also check metadata writes against colliding with other structures. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-08-30monitor: avoid use of global *cur_mon in monitor_find_completion()Wenchao Xia1-1/+2
Parameter *mon is added, and local variable *mon added in previous patch is removed. The caller readline_completion(), pass rs->mon as value, which should be initialized in readline_init() called by monitor_init(). Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-07-15net: add support of mac-programming over macvtap in QEMU sideAmos Kong1-0/+1
Currently macvtap based macvlan device is working in promiscuous mode, we want to implement mac-programming over macvtap through Libvirt for better performance. Design: QEMU notifies Libvirt when rx-filter config is changed in guest, then Libvirt query the rx-filter information by a monitor command, and sync the change to macvtap device. Related rx-filter config of the nic contains main mac, rx-mode items and vlan table. This patch adds a QMP event to notify management of rx-filter change, and adds a monitor command for management to query rx-filter information. Test: If we repeatedly add/remove vlan, and change macaddr of vlan interfaces in guest by a loop script. Result: The events will flood the QMP client(management), management takes too much resource to process the events. Event_throttle API (set rate to 1 ms) can avoid the events to flood QMP client, but it could cause an unexpected delay (~1ms), guests guests normally expect rx-filter updates immediately. So we use a flag for each nic to avoid events flooding, the event is emitted once until the query command is executed. The flag implementation could not introduce unexpected delay. There maybe exist an uncontrollable delay if we let Libvirt do the real change, guests normally expect rx-filter updates immediately. But it's another separate issue, we can investigate it when the work in Libvirt side is done. Michael S. Tsirkin: tweaked to enable events on start Michael S. Tsirkin: fixed not to crash when no id Michael S. Tsirkin: fold in patch: "additional fixes for mac-programming feature" Amos Kong: always notify QMP client if mactable is changed Amos Kong: return NULL list if no net client supports rx-filter query Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Amos Kong <akong@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-04-30add a new qevent: QEVENT_GUEST_PANICKEDHu Tao1-0/+1
This event will be emited when qemu detects guest panic. Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: cf0bc45ecf9ecd3699bc72dc39f8cbab8ed79d8c.1366945969.git.hutao@cn.fujitsu.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-03-17qdev: DEVICE_DELETED eventMichael S. Tsirkin1-0/+1
libvirt has a long-standing bug: when removing the device, it can request removal but does not know when the removal completes. Add an event so we can fix this in a robust way. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-03-01hw: move qdev-monitor.o to toplevel directoryPaolo Bonzini1-0/+15
qdev-monitor.c is the only "core qdev" file that is not used in user-mode emulation, and it does not define anything that is used by hardware models. Remove it from the hw/ directory and remove hw/qdev-monitor.h from hw/qdev.h too; this requires some files to have some new explicitly includes. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-12-19monitor: move include files to include/monitor/Paolo Bonzini2-0/+156
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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