| Commit message (Collapse) | Author | Age | Files | Lines |
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Like -set and -readconfig, it would not really be too hard to
extend -writeconfig to parsing mechanisms other than QemuOpts.
However, the uses of -writeconfig are substantially more
limited, as it is generally easier to write the configuration
by hand in the first place. In addition, -writeconfig does
not even try to detect cases where it prints incorrect
syntax (for example if values have a quote in them, since
qemu_config_parse does not support any kind of escaping.
Just remove it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220414145721.326866-1-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Commit d8fb7d0969d5c32b3d1b9e20b63ec6c0abe80be4 ("vl: switch -M parsing
to keyval") stopped adding the "machine" QemuOptsList. This causes
"machine" options to not show up in QMP query-command-line-options
output. For example, libvirt cannot detect that kernel_irqchip support
is available.
Adjust the "machine" opts enumeration in
qmp_query_command_line_options() so that options are properly reported.
Fixes: d8fb7d0969d5 ("vl: switch -M parsing to keyval")
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20210721151055.424580-1-stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The leak is basically impossible to reach, since the only common way
to get ferror(fp) is by passing a directory to -readconfig. In that
case, the error occurs before qdict is set to anything non-NULL.
However, it's theoretically possible to get there after an EIO.
Cc: armbru@redhat.com
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Fixes: f7544edcd3 ("qemu-config: add error propagation to qemu_config_parse", 2021-03-06)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Ensure that the callback to qemu_config_foreach is never called upon
an error, by moving the invocation before the "out" label.
Cc: armbru@redhat.com
Fixes: 3770141139 ("qemu-config: parse configuration files to a QDict", 2021-06-04)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Using qemu_opts_absorb_qdict, and then checking for any leftover options,
is redundant because there is already a function that does the same,
qemu_opts_from_qdict. qemu_opts_from_qdict consumes the whole dictionary
and therefore can just return an error message if an option fails to validate.
This also fixes a bug, because the "id" entry was retrieved in
qemu_config_do_parse and then left there by qemu_opts_absorb_qdict.
As a result, it was reported as an unrecognized option.
Reported-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Fixes: 3770141139 ("qemu-config: parse configuration files to a QDict")
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Change the parser to put the values into a QDict and pass them
to a callback. qemu_config_parse's QemuOpts creation is
itself turned into a callback function.
This is useful for -readconfig to support keyval-based options;
getting a QDict from the parser removes a roundtrip from
QDict to QemuOpts and then back to QDict.
Unfortunately there is a disadvantage in that semantic errors will
point to the last line of the group, because the entries of the QDict
do not have a location attached.
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210524105752.3318299-2-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Right now the SPICE module is special cased to be loaded when processing
of the -spice command line option. However, the spice option group
can also be brought in via -readconfig, in which case the module is
not loaded.
Add a generic hook to load modules that provide a QemuOpts group,
and use it for the "spice" and "iscsi" groups.
Fixes: #194
Fixes: https://bugs.launchpad.net/qemu/+bug/1910696
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This enables some simplification of vl.c via error_fatal, and improves
error messages. Before:
$ ./qemu-system-x86_64 -readconfig .
qemu-system-x86_64: error reading file
qemu-system-x86_64: -readconfig .: read config .: Invalid argument
$ /usr/libexec/qemu-kvm -readconfig foo
qemu-kvm: -readconfig foo: read config foo: No such file or directory
After:
$ ./qemu-system-x86_64 -readconfig .
qemu-system-x86_64: -readconfig .: Cannot read config file: Is a directory
$ ./qemu-system-x86_64 -readconfig foo
qemu-system-x86_64: -readconfig foo: Could not open 'foo': No such file or directory
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210226170816.231173-1-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Anywhere we create a list of just one item or by prepending items
(typically because order doesn't matter), we can use
QAPI_LIST_PREPEND(). But places where we must keep the list in order
by appending remain open-coded until later patches.
Note that as a side effect, this also performs a cleanup of two minor
issues in qga/commands-posix.c: the old code was performing
new = g_malloc0(sizeof(*ret));
which 1) is confusing because you have to verify whether 'new' and
'ret' are variables with the same type, and 2) would conflict with C++
compilation (not an actual problem for this file, but makes
copy-and-paste harder).
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20201113011340.463563-5-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
[Straightforward conflicts due to commit a8aa94b5f8 "qga: update
schema for guest-get-disks 'dependents' field" and commit a10b453a52
"target/mips: Move mips_cpu_add_definition() from helper.c to cpu.c"
resolved. Commit message tweaked.]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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We want to make it independent of QemuOpts.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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When all we do with an Error we receive into a local variable is
propagating to somewhere else, we can just as well receive it there
right away. Convert
if (!foo(..., &err)) {
...
error_propagate(errp, err);
...
return ...
}
to
if (!foo(..., errp)) {
...
...
return ...
}
where nothing else needs @err. Coccinelle script:
@rule1 forall@
identifier fun, err, errp, lbl;
expression list args, args2;
binary operator op;
constant c1, c2;
symbol false;
@@
if (
(
- fun(args, &err, args2)
+ fun(args, errp, args2)
|
- !fun(args, &err, args2)
+ !fun(args, errp, args2)
|
- fun(args, &err, args2) op c1
+ fun(args, errp, args2) op c1
)
)
{
... when != err
when != lbl:
when strict
- error_propagate(errp, err);
... when != err
(
return;
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return c2;
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return false;
)
}
@rule2 forall@
identifier fun, err, errp, lbl;
expression list args, args2;
expression var;
binary operator op;
constant c1, c2;
symbol false;
@@
- var = fun(args, &err, args2);
+ var = fun(args, errp, args2);
... when != err
if (
(
var
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!var
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var op c1
)
)
{
... when != err
when != lbl:
when strict
- error_propagate(errp, err);
... when != err
(
return;
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return c2;
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return false;
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return var;
)
}
@depends on rule1 || rule2@
identifier err;
@@
- Error *err = NULL;
... when != err
Not exactly elegant, I'm afraid.
The "when != lbl:" is necessary to avoid transforming
if (fun(args, &err)) {
goto out
}
...
out:
error_propagate(errp, err);
even though other paths to label out still need the error_propagate().
For an actual example, see sclp_realize().
Without the "when strict", Coccinelle transforms vfio_msix_setup(),
incorrectly. I don't know what exactly "when strict" does, only that
it helps here.
The match of return is narrower than what I want, but I can't figure
out how to express "return where the operand doesn't use @err". For
an example where it's too narrow, see vfio_intx_enable().
Silently fails to convert hw/arm/armsse.c, because Coccinelle gets
confused by ARMSSE being used both as typedef and function-like macro
there. Converted manually.
Line breaks tidied up manually. One nested declaration of @local_err
deleted manually. Preexisting unwanted blank line dropped in
hw/riscv/sifive_e.c.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200707160613.848843-35-armbru@redhat.com>
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The previous commit enables conversion of
foo(..., &err);
if (err) {
...
}
to
if (!foo(..., &err)) {
...
}
for QemuOpts functions that now return true / false on success /
error. Coccinelle script:
@@
identifier fun = {
opts_do_parse, parse_option_bool, parse_option_number,
parse_option_size, qemu_opt_parse, qemu_opt_rename, qemu_opt_set,
qemu_opt_set_bool, qemu_opt_set_number, qemu_opts_absorb_qdict,
qemu_opts_do_parse, qemu_opts_from_qdict_entry, qemu_opts_set,
qemu_opts_validate
};
expression list args, args2;
typedef Error;
Error *err;
@@
- fun(args, &err, args2);
- if (err)
+ if (!fun(args, &err, args2))
{
...
}
A few line breaks tidied up manually.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200707160613.848843-15-armbru@redhat.com>
[Conflict with commit 0b6786a9c1 "block/amend: refactor qcow2 amend
options" resolved by rerunning Coccinelle on master's version]
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Convert uses like
opts = qemu_opts_create(..., &err);
if (err) {
...
}
to
opts = qemu_opts_create(..., errp);
if (!opts) {
...
}
Eliminate error_propagate() that are now unnecessary. Delete @err
that are now unused.
Note that we can't drop parallels_open()'s error_propagate() here. We
continue to execute it even in the converted case. It's a no-op then:
local_err is null.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <20200707160613.848843-8-armbru@redhat.com>
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No header includes qemu-common.h after this commit, as prescribed by
qemu-common.h's file comment.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-5-armbru@redhat.com>
[Rebased with conflicts resolved automatically, except for
include/hw/arm/xlnx-zynqmp.h hw/arm/nrf51_soc.c hw/arm/msf2-soc.c
block/qcow2-refcount.c block/qcow2-cluster.c block/qcow2-cache.c
target/arm/cpu.h target/lm32/cpu.h target/m68k/cpu.h target/mips/cpu.h
target/moxie/cpu.h target/nios2/cpu.h target/openrisc/cpu.h
target/riscv/cpu.h target/tilegx/cpu.h target/tricore/cpu.h
target/unicore32/cpu.h target/xtensa/cpu.h; bsd-user/main.c and
net/tap-bsd.c fixed up]
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There are numerous QDict functions that have been introduced for and are
used only by the block layer. Move their declarations into an own
header file to reflect that.
While qdict_extract_subqdict() is in fact used outside of the block
layer (in util/qemu-config.c), it is still a function related very
closely to how the block layer works with nested QDicts, namely by
sometimes flattening them. Therefore, its declaration is put into this
header as well and util/qemu-config.c includes it with a comment stating
exactly which function it needs.
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20180509165530.29561-7-mreitz@redhat.com>
[Copyright note tweaked, superfluous includes dropped]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Now that we can safely call QOBJECT() on QObject * as well as its
subtypes, we can have macros qobject_ref() / qobject_unref() that work
everywhere instead of having to use QINCREF() / QDECREF() for QObject
and qobject_incref() / qobject_decref() for its subtypes.
The replacement is mechanical, except I broke a long line, and added a
cast in monitor_qmp_cleanup_req_queue_locked(). Unlike
qobject_decref(), qobject_unref() doesn't accept void *.
Note that the new macros evaluate their argument exactly once, thus no
need to shout them.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180419150145.24795-4-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Rebased, semantic conflict resolved, commit message improved]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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This patch was generated using the following Coccinelle script:
@@
expression Obj;
@@
(
- qobject_to_qnum(Obj)
+ qobject_to(QNum, Obj)
|
- qobject_to_qstring(Obj)
+ qobject_to(QString, Obj)
|
- qobject_to_qdict(Obj)
+ qobject_to(QDict, Obj)
|
- qobject_to_qlist(Obj)
+ qobject_to(QList, Obj)
|
- qobject_to_qbool(Obj)
+ qobject_to(QBool, Obj)
)
and a bit of manual fix-up for overly long lines and three places in
tests/check-qjson.c that Coccinelle did not find.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-Id: <20180224154033.29559-4-mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: swap order from qobject_to(o, X), rebase to master, also a fix
to latent false-positive compiler complaint about hw/i386/acpi-build.c]
Signed-off-by: Eric Blake <eblake@redhat.com>
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The previous commit improved compile time by including less of the
generated QAPI headers. This is impossible for stuff defined directly
in qapi-schema.json, because that ends up in headers that that pull in
everything.
Move everything but include directives from qapi-schema.json to new
sub-module qapi/misc.json, then include just the "misc" shard where
possible.
It's possible everywhere, except:
* monitor.c needs qmp-command.h to get qmp_init_marshal()
* monitor.c, ui/vnc.c and the generated qapi-event-FOO.c need
qapi-event.h to get enum QAPIEvent
Perhaps we'll get rid of those some other day.
Adding a type to qapi/migration.json now recompiles some 120 instead
of 2300 out of 5100 objects.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180211093607.27351-25-armbru@redhat.com>
[eblake: rebase to master]
Signed-off-by: Eric Blake <eblake@redhat.com>
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This cleanup makes the number of objects depending on qapi/qmp/qdict.h
drop from 4550 (out of 4743) to 368 in my "build everything" tree.
For qapi/qmp/qobject.h, the number drops from 4552 to 390.
While there, separate #include from file comment with a blank line.
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180201111846.21846-13-armbru@redhat.com>
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This cleanup makes the number of objects depending on qapi/qmp/qlist.h
drop from 4551 (out of 4743) to 16 in my "build everything" tree.
While there, separate #include from file comment with a blank line.
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180201111846.21846-12-armbru@redhat.com>
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This cleanup makes the number of objects depending on qapi/error.h
drop from 1910 (out of 4743) to 1612 in my "build everything" tree.
While there, separate #include from file comment with a blank line,
and drop a useless comment on why qemu/osdep.h is included first.
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180201111846.21846-5-armbru@redhat.com>
[Semantic conflict with commit 34e304e975 resolved, OSX breakage fixed]
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Direct leak of 160 byte(s) in 4 object(s) allocated from:
#0 0x55ed7678cda8 in calloc (/home/elmarco/src/qq/build/x86_64-softmmu/qemu-system-x86_64+0x797da8)
#1 0x7f3f5e725f75 in g_malloc0 /home/elmarco/src/gnome/glib/builddir/../glib/gmem.c:124
#2 0x55ed778aa3a7 in query_option_descs /home/elmarco/src/qq/util/qemu-config.c:60:16
#3 0x55ed778aa307 in get_drive_infolist /home/elmarco/src/qq/util/qemu-config.c:140:19
#4 0x55ed778a9f40 in qmp_query_command_line_options /home/elmarco/src/qq/util/qemu-config.c:254:36
#5 0x55ed76d4868c in qmp_marshal_query_command_line_options /home/elmarco/src/qq/build/qmp-marshal.c:3078:14
#6 0x55ed77855dd5 in do_qmp_dispatch /home/elmarco/src/qq/qapi/qmp-dispatch.c:104:5
#7 0x55ed778558cc in qmp_dispatch /home/elmarco/src/qq/qapi/qmp-dispatch.c:131:11
#8 0x55ed768b592f in handle_qmp_command /home/elmarco/src/qq/monitor.c:3840:11
#9 0x55ed7786ccfe in json_message_process_token /home/elmarco/src/qq/qobject/json-streamer.c:105:5
#10 0x55ed778fe37c in json_lexer_feed_char /home/elmarco/src/qq/qobject/json-lexer.c:323:13
#11 0x55ed778fdde6 in json_lexer_feed /home/elmarco/src/qq/qobject/json-lexer.c:373:15
#12 0x55ed7786cd83 in json_message_parser_feed /home/elmarco/src/qq/qobject/json-streamer.c:124:12
#13 0x55ed768b559e in monitor_qmp_read /home/elmarco/src/qq/monitor.c:3882:5
#14 0x55ed77714f29 in qemu_chr_be_write_impl /home/elmarco/src/qq/chardev/char.c:167:9
#15 0x55ed77714fde in qemu_chr_be_write /home/elmarco/src/qq/chardev/char.c:179:9
#16 0x55ed7772ffad in tcp_chr_read /home/elmarco/src/qq/chardev/char-socket.c:440:13
#17 0x55ed7777113b in qio_channel_fd_source_dispatch /home/elmarco/src/qq/io/channel-watch.c:84:12
#18 0x7f3f5e71d90b in g_main_dispatch /home/elmarco/src/gnome/glib/builddir/../glib/gmain.c:3182
#19 0x7f3f5e71e7ac in g_main_context_dispatch /home/elmarco/src/gnome/glib/builddir/../glib/gmain.c:3847
#20 0x55ed77886ffc in glib_pollfds_poll /home/elmarco/src/qq/util/main-loop.c:214:9
#21 0x55ed778865fd in os_host_main_loop_wait /home/elmarco/src/qq/util/main-loop.c:261:5
#22 0x55ed77886222 in main_loop_wait /home/elmarco/src/qq/util/main-loop.c:515:11
#23 0x55ed76d2a4df in main_loop /home/elmarco/src/qq/vl.c:1995:9
#24 0x55ed76d1cb4a in main /home/elmarco/src/qq/vl.c:4914:5
#25 0x7f3f555f6039 in __libc_start_main (/lib64/libc.so.6+0x21039)
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180104160523.22995-14-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Change qemu_config_parse() to return the number of config groups
in success and -EINVAL on error. This will allow callers of
qemu_config_parse() to check if something was really loaded from
the config file.
All existing callers of qemu_config_parse() and
qemu_read_config_file() only check if the return value was
negative, so the change shouldn't affect them.
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20171004025043.3788-2-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Add S390CcwMachineState machine parameter "loadparm" to qemu machine_opts so
libvirt can query for it.
Signed-off-by: Farhan Ali <alifm@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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Recently we moved a few options from QemuOptsLists in blockdev.c to
bdrv_runtime_opts in block.c in order to make them accissble using
blockdev-add. However, this has the side effect that these options are
missing from query-command-line-options now, and libvirt consequently
disables the corresponding feature.
This problem was reported as a regression for the 'discard' option,
introduced in commit 818584a4. However, it is more general than that.
Fix it by adding bdrv_runtime_opts to the list of QemuOptsLists that are
returned in query-command-line-options. For the future, libvirt is
advised to use QMP schema introspection for block device options.
Reported-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Tested-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
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Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.
This commit was created with scripts/clean-includes.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1454089805-5470-6-git-send-email-peter.maydell@linaro.org
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Commit 0a7cf217 ("util/qemu-config: fix regression of
qmp_query_command_line_options") aimed to restore parsing of global
machine options, but missed two: "aes-key-wrap" and
"dea-key-wrap" (which were present in the initial version of that
patch). Let's add them to the machine_opts again.
Fixes: 0a7cf217 ("util/qemu-config: fix regression of
qmp_query_command_line_options")
CC: Marcel Apfelbaum <marcel@redhat.com>
CC: qemu-stable@nongnu.org
Signed-off-by: Tony Krowiak <akrowiak@linux.vnet.ibm.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <1444664181-28023-1-git-send-email-akrowiak@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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In particular, don't include it into headers.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
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Adding the fw_cfg cmd line support patch by
Gabriel L. Somlo hits the limit.
Fix this by making the array larger.
Cc: Gabriel L. Somlo <somlo@cmu.edu>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Retain the function value for now, to permit selective conversion of
its callers.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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When the argument is non-zero, qemu_opt_foreach() stops on callback
returning non-zero, and returns that value.
When the argument is zero, it doesn't stop, and returns the callback's
value from the last iteration.
The two callers that pass zero could just as well pass one:
* qemu_spice_init()'s callback add_channel() either returns zero or
exit()s.
* config_write_opts()'s callback config_write_opt() always returns
zero.
Drop the parameter, and always stop.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Retain the function value for now, to permit selective conversion of
its callers.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
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When the argument is non-zero, qemu_opts_foreach() stops on callback
returning non-zero, and returns that value.
When the argument is zero, it doesn't stop, and returns the bit-wise
inclusive or of all the return values. Funky :)
The callers that pass zero could just as well pass one, because their
callbacks can't return anything but zero:
* qemu_add_globals()'s callback qdev_add_one_global()
* qemu_config_write()'s callback config_write_opts()
* main()'s callbacks default_driver_check(), drive_enable_snapshot(),
vnc_init_func()
Drop the parameter, and always stop.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Currently it is impossible to set an option in a config file to an empty
string, because the parser matches only lines containing non-empty
strings between double-quotes.
As sscanf() "[" conversion specifier only matches non-empty strings, add
a special case for empty strings.
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Commit 49d2e64 (machine: remove qemu_machine_opts global list)
made machine options specific to machine sub-type, leaving
the qemu_machine_opts desc array empty. Sadly this is the place
qmp_query_command_line_options is looking for supported options.
As a fix for for 2.3 the machine_qemu_opts (the generic ones)
are restored only for qemu-config scope.
We need to find a better fix for 2.4.
Reported-by: Tony Krowiak <akrowiak@linux.vnet.ibm.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Message-Id: <1427906841-1576-1-git-send-email-marcel@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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qemu_opt_set() is a wrapper around qemu_opt_set() that reports the
error with qerror_report_err().
Most of its users assume the function can't fail. Make them use
qemu_opt_set_err() with &error_abort, so that should the assumption
ever break, it'll break noisily.
Just two users remain, in util/qemu-config.c. Switch them to
qemu_opt_set_err() as well, then rename qemu_opt_set_err() to
qemu_opt_set().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Coccinelle semantic patch:
@@
expression E;
@@
- error_report("%s", error_get_pretty(E));
- error_free(E);
+ error_report_err(E);
@@
expression E, S;
@@
- error_report("%s", error_get_pretty(E));
+ error_report_err(E);
(
exit(S);
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abort();
)
Trivial manual touch-ups in block/sheepdog.c.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Change qapi interfaces to output the newly added def_value_str when querying
command line options.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Leandro Dorileo <l@dorileo.org>
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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into staging
trivial patches for 2014-04-28
# gpg: Signature made Mon 28 Apr 2014 05:56:01 BST using RSA key ID A4C3D7DB
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg: aka "Michael Tokarev <mjt@corpit.ru>"
# gpg: aka "Michael Tokarev <mjt@debian.org>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D 4324 457C E0A0 8044 65C5
# Subkey fingerprint: 6F67 E18E 7C91 C5B1 5514 66A7 BEE5 9D74 A4C3 D7DB
* remotes/mjt/tags/trivial-patches-2014-04-28:
slirp/smb: Move ncalrpc directory to tmp
po: add proper Language: tags to .po files
po/Makefile: fix $SRC_PATH reference
init_paths: fix minor memory leak
virtfs-proxy-helper: fix call to accept
net/net.c: remove unnecessary semicolon
Add QEMU logo (SVG file)
vl: avoid closing stdout with 'writeconfig'
xilinx: Fix typo in comment (Marvel -> Marvell)
vl: Eliminate a superfluous local variable
vl: Remove useless 'continue'
gitignore: cleanups #2
tests/.gitignore: Ignore test-rfifolock
move test-* from .gitignore to tests/.gitignore
configure: Improve help behavior
vl: convert -m to QemuOpts
qemu-option: introduce qemu_find_opts_singleton
misc: Use cpu_physical_memory_read and cpu_physical_memory_write
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Just hardcode them in the callers
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>
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In config_parse_qdict_section(), the QList returned by
qdict_array_split() is assumed to only contain QDicts. Currently, this
is true but it may (and will) change in the future. Therefore, check
whether the assumption actually holds.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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error_is_set(&var) is the same as var != NULL, but it takes
whole-program analysis to figure that out. Unnecessarily hard for
optimizers, static checkers, and human readers. Dumb it down to
obvious.
Gets rid of several dozen Coverity false positives.
Note that the obvious form is already used in many places.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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This function basically parses command-line options given as a QDict
replacing a config file.
For instance, the QDict {"section.opt1": 42, "section.opt2": 23}
corresponds to the config file:
[section]
opt1 = 42
opt2 = 23
It is possible to specify multiple sections and also multiple sections
of the same type. On the command line, this looks like the following:
inject-error.0.event=reftable_load,\
inject-error.1.event=l2_load,\
set-state.event=l1_update
This would correspond to the following config file:
[inject-error "inject-error.0"]
event = reftable_load
[inject-error "inject-error.1"]
event = l2_load
[set-state]
event = l1_update
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This is a boiler-plate _nofail variant of qemu_opts_create. Remove and
use error_abort in call sites.
null/0 arguments needs to be added for the id and fail_if_exists fields
in affected callsites due to argument inconsistency between the normal and
no_fail variants.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Currently we have three QemuOptsList (qemu_common_drive_opts,
qemu_legacy_drive_opts, and qemu_drive_opts), only qemu_drive_opts
is added to vm_config_groups[].
This patch changes query-command-line-options to access three local
QemuOptsLists for drive option, and merge the description items
together.
Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Libvirt has no way to probe if an option or property is supported,
This patch introduces a new qmp command to query command line
option information. hmp command isn't added because it's not needed.
Signed-off-by: Amos Kong <akong@redhat.com>
CC: Luiz Capitulino <lcapitulino@redhat.com>
CC: Osier Yang <jyang@redhat.com>
CC: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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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>
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Commit 6daf194d and be62a2eb got rid of a bunch, but they keep coming
back. Tracked down with this Coccinelle semantic patch:
@r@
expression err, eno, cls, fmt;
position p;
@@
(
error_report(fmt, ...)@p
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error_set(err, cls, fmt, ...)@p
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error_set_errno(err, eno, cls, fmt, ...)@p
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error_setg(err, fmt, ...)@p
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error_setg_errno(err, eno, fmt, ...)@p
)
@script:python@
fmt << r.fmt;
p << r.p;
@@
if "\\n" in str(fmt):
print "%s:%s:%s:%s" % (p[0].file, p[0].line, p[0].column, fmt)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1360354939-10994-4-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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