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# Date Author Comment
eab5fd59 06/22/2012 01:59 am Paolo Bonzini

qemu-ga: add guest-fstrim command

FITRIM is a mounted filesystem feature to discard (or "trim") blocks which
are not in use by the filesystem. This is useful for solid-state drives
(SSDs) and thinly-provisioned storage. Provide access to the feature
from the host so that filesystems can be trimmed periodically or before...
89268172 05/15/2012 05:15 pm Luiz Capitulino

qemu-ga: guest-shutdown: don't emit a success response

Today, qemu-ga may not be able to emit a success response when
guest-shutdown completes. This happens because the VM may vanish
before qemu-ga is able to emit a response.

This semantic is a bit confusing, as it's not clear for clients if...
c6fcc10a 05/15/2012 05:15 pm Luiz Capitulino

qemu-ga: guest-suspend-disk: don't emit a success response

Today, qemu-ga may not be able to emit a success response when
guest-suspend-disk completes. This happens because the VM may
vanish before qemu-ga is able to emit a response.

This semantic is a bit confusing, as it's not clear for clients if...
432d29db 05/15/2012 05:15 pm Luiz Capitulino

qemu-ga: guest-suspend-ram: don't emit a success response

Today, qemu-ga may not be able to emit a success response when
guest-suspend-ram completes. This happens because the VM may
suspend before qemu-ga is able to emit a response.

This semantic is a bit confusing, as it's not clear for clients if...
d9fcd2a1 05/15/2012 05:15 pm Luiz Capitulino

qemu-ga: guest-suspend-hybrid: don't emit a success response

Today, qemu-ga may not be able to emit a success response when
guest-suspend-hybrid completes. This happens because the VM may
suspend before qemu-ga is able to emit a response.

This semantic is a bit confusing, as it's not clear for clients if...
3674838c 05/15/2012 05:15 pm Luiz Capitulino

qemu-ga: guest-shutdown: use only async-signal-safe functions

POSIX mandates1 that a child process of a multi-thread program uses
only async-signal-safe functions before exec(). We consider qemu-ga
to be multi-thread, because it uses glib.

However, qmp_guest_shutdown() uses functions that are not...
a31f0531 05/14/2012 08:27 am Jim Meyering

fix some common typos

These were identified using: http://github.com/lyda/misspell-check
and run like this to create a bourne shell script using GNU sed's
-i option:

git ls-files|grep -vF .bin | misspellings -f - |grep -v '^ERROR:' |perl \
-pe 's/^(.*?)\[(\d+)\]: (\w+) -> "(.*?)"$/sed -i '\''${2}s!$3!$4!'\'' $1/'...
f789aa7b 04/30/2012 04:42 pm Michael Roth

qemu-ga: persist tracking of fsfreeze state via filesystem

Currently, qemu-ga may die/get killed/go away for whatever reason after
guest-fsfreeze-freeze has been issued, and before guest-fsfreeze-thaw
has been issued. This means the only way to unfreeze the guest is via...
9e8aded4 04/30/2012 04:41 pm Michael Roth

qemu-ga: improve recovery options for fsfreeze

guest-fsfreeze-thaw relies on state information obtained from
guest-fsfreeze-freeze to determine what filesystems to unfreeze.
This is unreliable due to the fact that that state does not account
for FIFREEZE being issued by other processes, or previous instances...
3cf0bed8 03/12/2012 10:09 pm Michael Roth

qemu-ga: add guest-sync-delimited

guest-sync leaves it as an exercise to the user as to how to reliably
obtain the response to guest-sync if the client had previously read in a
partial response (due qemu-ga previously being restarted mid-"sentence"
due to reboot, forced restart, etc)....
11d0f125 03/12/2012 10:09 pm Luiz Capitulino

qemu-ga: add guest-suspend-disk

As the command name implies, this command suspends the guest to disk.

The suspend operation is implemented by two functions: bios_supports_mode()
and guest_suspend(). Both functions are generic enough to be used by
other suspend modes (introduced by next commits)....
fbf42210 03/12/2012 10:09 pm Luiz Capitulino

qemu-ga: add guest-suspend-ram

Signed-off-by: Luiz Capitulino <>
95f4f404 03/12/2012 10:09 pm Luiz Capitulino

qemu-ga: add guest-suspend-hybrid

Signed-off-by: Luiz Capitulino <>
3424fc9f 03/12/2012 10:09 pm Michal Privoznik

qemu-ga: add guest-network-get-interfaces command

This command returns an array of:

[ifname, hwaddr, [ipaddr, ipaddr_family, prefix] ]

for each interface in the system.
Currently, only IPv4 and IPv6 are supported.

Signed-off-by: Michal Privoznik <>
54383726 02/23/2012 11:40 pm Michael Roth

qemu-ga: Add schema documentation for types

Document guest agent schema types in similar fashion to qmp schema
types.
9423a2e8 12/14/2011 03:59 pm Anthony Liguori

Merge remote-tracking branch 'stefanha/trivial-patches-next' into staging
e7d81004 12/14/2011 01:09 pm Stefan Weil

Fix spelling in comments, documentation and messages

accidently->accidentally
annother->another
choosen->chosen
consideres->considers
decriptor->descriptor
developement->development
paramter->parameter
preceed->precede
preceeding->preceding
priviledge->privilege...
bf95c0d5 12/13/2011 01:06 am Michael Roth

guest agent: add supported command list to guest-info RPC

Not that there is blacklisting functionality we can no longer infer
the agent's capabilities via version. This patch extends the current
guest-info RPC to also return a list of dictionaries containing the name...
e3d4d252 07/21/2011 10:48 pm Michael Roth

guest agent: add guest agent RPCs/commands

This adds the initial set of QMP/QAPI commands provided by the guest
agent:

guest-sync
guest-ping
guest-info
guest-shutdown
guest-file-open
guest-file-read
guest-file-write
guest-file-seek
guest-file-flush
guest-file-close...