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do_device_add() and do_netdev_add() call qerror_report_err() to maintain
their QError semantics.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-By: Laszlo Ersek <lersek@redhat.com>
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This is like qemu_opt_set(), except that it takes an Error argument.
This new function allows for a incremental conversion of code using
qemu_opt_set().
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-By: Laszlo Ersek <lersek@redhat.com>
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The functions qemu_opt_set() and opts_do_parse() both call opt_set(),
but their callers expect QError semantics. Thus, both functions call
qerro_report_err() to keep the expected semantics.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-By: Laszlo Ersek <lersek@redhat.com>
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net_client_init() propagates the error up by calling qerror_report_err(),
because its users expect QError semantics.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-By: Laszlo Ersek <lersek@redhat.com>
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The functions opt_set() and qemu_opts_validate() both call qemu_opt_parse(),
but their callers expect QError semantics. Thus, both functions call
qerro_report_err() to keep the expected semantics.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-By: Laszlo Ersek <lersek@redhat.com>
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Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-By: Laszlo Ersek <lersek@redhat.com>
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Note that set_option_parameter() callers still expect automatic error
reporting with QError, so set_option_parameter() calls
qerror_report_err() to keep the same semantics.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-By: Laszlo Ersek <lersek@redhat.com>
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Note that qemu_opt_parse() callers still expect automatic error reporting
with QError, so qemu_opts_parse() calls qerror_report_err() to keep the
same semantics.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-By: Laszlo Ersek <lersek@redhat.com>
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This commit converts qemu_opts_create() from qerror_report() to
error_set().
Currently, most calls to qemu_opts_create() can't fail, so most
callers don't need any changes.
The two cases where code checks for qemu_opts_create() erros are:
1. Initialization code in vl.c. All of them print their own
error messages directly to stderr, no need to pass the Error
object
2. The functions opts_parse(), qemu_opts_from_qdict() and
qemu_chr_parse_compat() make use of the error information and
they can be called from HMP or QMP. In this case, to allow for
incremental conversion, we propagate the error up using
qerror_report_err(), which keeps the QError semantics
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-By: Laszlo Ersek <lersek@redhat.com>
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Add support for option lists which are merged together, so that
"-listname foo=bar -listname bar=baz" is equivalent to "-listname
foo=bar,bar=baz" rather than generating two separate lists of options.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
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This adds qemu_opts_set_defaults, an interface provide default values
for a QemuOpts set. Default options are parsed from a string and then
prepended to the list of existing options, or they serve as the sole
QemuOpts set.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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These comments are used by static code analysis tools and in code reviews
to avoid false warnings because of missing break statements.
The case statements handled here were reported by coverity.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
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qemu_malloc/qemu_free no longer exist after this commit.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Yoda said, "list is the templace is". Fix this.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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parse_option_parameters() may need to create a new option parameter list
from a template list. Use append_option_parameters() instead of
duplicating the code.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Needed for decent error locations when complaining about options
outside of qemu_opts_foreach(). That one sets the location
already.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Restrict IDs to letters, digits, '-', '.', '_', starting with a
letter.
This takes care of '/' in qdev IDs breaking qbus_find().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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When dest is NULL, i.e. a new copy of the list is created, we don't get a
properly terminated list after the realloc. Initialize it as an empty list.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This patch enables protocol drivers to use their create options which
are not supported by the format. For example, protcol drivers can use
a backing_file option with raw format.
Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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qemu_opts_create duplicates the id we pass in case it shall be stored in
the opts. So we do not need to dup it in qemu_opts_parse, leaking a few
bytes this way.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Fixes device_add to report duplicate ID properly in QMP, as
DuplicateId instead of UndefinedError.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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qemu-option.o(.text+0x20f8): In function `qemu_opts_from_qdict_1':
/src/qemu/qemu-option.c:813: warning: strcpy() is almost always misused, please use strlcpy()
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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We sometimes permit omitting the first option name, for example
-device foo is short for -device driver=foo. The name to use
("driver" in the example) is passed as argument to qemu_opts_parse().
For each QemuOptsList, we use at most one such name.
Move the name into QemuOptsList, and pass whether to permit the
abbreviation. This ensures continued consistency, and simplifies the
commit after next in this series.
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The functions are somewhat restricted. Good enough for the job at
hand. We'll extend them when we need more.
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New struct Location holds a location. So far, the only location is
LOC_NONE, so this doesn't do anything useful yet.
Passing the current location all over the place would be too
cumbersome. Hide it away in static cur_loc instead, and provide
accessors. Print it in error_report().
Store it in QError, and print it in qerror_print().
Store it in QemuOpt, for use by qemu_opts_foreach(). This makes
error_report() do the right thing when it runs within
qemu_opts_foreach().
We may still have to store it in other data structures holding user
input for better error messages. Left for another day.
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Return the bitwise inclusive or of all return values instead of the
last call's value. This lets you find out whether any of the calls
returned a non-zero value.
No functional change, as existing users either don't care for the
value, or pass non-zero abort_on_failure, which breaks the loop on the
first non-zero return value.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Use case: loooooooooooooooooong file names for -drive file=...
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The opts id is always allocated via qemu_strdup, so it need not be
const, but it has to be released on opts deletion.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Rather than overwriting a QemuOpt, just add a new one to the tail and
always do a reverse search for parameters to preserve the same
behaviour. We use this order so that foreach() iterates over the opts
in their original order.
This will allow us handle options where multiple values for the same
parameter is allowed - e.g. -net user,hostfwd=
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Several qemu command line options have a parameter whose value affects
what other parameters are accepted for the option.
In these cases, we can have an empty description table in the
QemuOptsList and once the option has been parsed we can use a suitable
description table to validate the other parameters based on the value of
that parameter.
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Rather than making callers explicitly handle empty strings by using
qemu_opts_create(), we can easily have qemu_opts_parse() handle
empty parameter strings.
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The only way qemu_opts_create() can fail is if a QemuOpts with that id
already exists and fail_if_exists=1. In that case, we already print
an error which makes more sense than the one in qemu_opts_set().
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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We need this to allow the use of <stdbool.h>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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Replace:
if (-1 == foo())
with:
if (foo() == -1)
While this coding style is not in direct contravention of our currently
ratified CODING_STYLE treaty, it could be argued that the Article 3 of
the European Convention on Human Rights (prohibiting torture and "inhuman
or degrading treatment") reads on the matter.
[This commit message was brought to you without humour, as is evidenced
by the absence of any emoticons]
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Cc: Avi Kivity <avi@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Problem: Our file sys-queue.h is a copy of the BSD file, but there are
some additions and it's not entirely compatible. Because of that, there have
been conflicts with system headers on BSD systems. Some hacks have been
introduced in the commits 15cc9235840a22c289edbe064a9b3c19c5f49896,
f40d753718c72693c5f520f0d9899f6e50395e94,
96555a96d724016e13190b28cffa3bc929ac60dc and
3990d09adf4463eca200ad964cc55643c33feb50 but the fixes were fragile.
Solution: Avoid the conflict entirely by renaming the functions and the
file. Revert the previous hacks.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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looking for id= and creating a new QemuOpts instance is splitted from
the actual option parser code now, so the parser can be called from
other contexts too.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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one place is using strdup() instead of qemu_strdup
Fix it
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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We can't use get_param_value(), it can't handle parameters without
'=' in there. Examples not working because of that:
-device foo,id=bar
-device file=/path/image,format=qcow2,snapshot,id=disk0
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Message-Id:
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qemu_opt_foreach: loop over all QemuOpts entries.
qemu_opts_id: return QemuOpts id.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Message-Id:
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It works much better when parse_option_number actually
returns the number parsed ...
Common breakage resulting from this bug is that
'qemu -hda foo.img -cdrom bar.iso' stops working
(cdrom isn't there).
Cc: Avi Kivity <avi@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This stores device parameters in a better way than unparsed strings.
New types:
QemuOpt - one key-value pair.
QemuOpts - group of key-value pairs, belonging to one
device, i.e. one drive.
QemuOptsList - list of some kind of devices, i.e. all drives.
Functions are provided to work with these types. The plan is that some
day we will pass around QemuOpts pointers instead of strings filled with
"key1=value1,key2=value2".
Check out the next patch to see all this in action ;)
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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