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2017-06-13monitor: resurrect handle_qmp_command trace eventStefan Hajnoczi
Commit 104fc3027960dd2aa9d310936a6cb201c60e1088 ("qmp: Drop duplicated QMP command object checks") removed the call to trace_handle_qmp_command() while eliminating code duplication. This patch brings the trace event back so QEMU-internal trace events can be correlated with the QMP commands that caused them. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20170605104216.22429-3-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-06-13monitor: add handle_hmp_command trace eventStefan Hajnoczi
It is often useful to correlate QEMU-internal events with monitor commands that caused them. Trace the full HMP command being executed. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20170605104216.22429-2-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-06-05numa: make hmp 'info numa' fetch numa nodes from qmp_query_cpus() resultIgor Mammedov
HMP command 'info numa' is the last external user that access CPUState::numa_node field directly. In order to move it to CPU classes that actually use it, eliminate direct access and use an alternative approach by using result of qmp_query_cpus(), which provides topology properties CPU threads are associated with (including node-id). Signed-off-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <1496161442-96665-5-git-send-email-imammedo@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-06-02char: make chr_fe_deinit() optionaly delete backendMarc-André Lureau
This simplifies removing a backend for a frontend user (no need to retrieve the associated driver and separate delete call etc). NB: many frontends have questionable handling of ending a chardev. They should probably delete the backend to prevent broken reusage. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-06-02char: move CharBackend handling in char-fe unitMarc-André Lureau
Move all the frontend struct and methods to a seperate unit. This avoids accidentally mixing backend and frontend calls, and helps with readabilty. Make qemu_chr_replay() a macro shared by both char and char-fe. Export qemu_chr_write(), and use a macro for qemu_chr_write_all() (nb: yes, CharBackend is for char frontend :) Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-06-02chardev: move headers to include/chardevMarc-André Lureau
So they are all in one place. The following patch will move serial & parallel declarations to the respective headers. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2017-05-18migration: migration.h was not neededJuan Quintela
This files don't use any function from migration.h, so drop it. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
2017-05-17qdev: Replace cannot_instantiate_with_device_add_yet with !user_creatableEduardo Habkost
cannot_instantiate_with_device_add_yet was introduced by commit efec3dd631d94160288392721a5f9c39e50fb2bc to replace no_user. It was supposed to be a temporary measure. When it was introduced, we had 54 cannot_instantiate_with_device_add_yet=true lines in the code. Today (3 years later) this number has not shrunk: we now have 57 cannot_instantiate_with_device_add_yet=true lines. I think it is safe to say it is not a temporary measure, and we won't see the flag go away soon. Instead of a long field name that misleads people to believe it is temporary, replace it a shorter and less misleading field: user_creatable. Except for code comments, changes were generated using the following Coccinelle patch: @@ expression DC; @@ ( -DC->cannot_instantiate_with_device_add_yet = false; +DC->user_creatable = true; | -DC->cannot_instantiate_with_device_add_yet = true; +DC->user_creatable = false; ) @@ typedef ObjectClass; expression dc; identifier class, data; @@ static void device_class_init(ObjectClass *class, void *data) { ... dc->hotpluggable = true; +dc->user_creatable = true; ... } @@ @@ struct DeviceClass { ... -bool cannot_instantiate_with_device_add_yet; +bool user_creatable; ... } @@ expression DC; @@ ( -!DC->cannot_instantiate_with_device_add_yet +DC->user_creatable | -DC->cannot_instantiate_with_device_add_yet +!DC->user_creatable ) Cc: Alistair Francis <alistair.francis@xilinx.com> Cc: Laszlo Ersek <lersek@redhat.com> Cc: Marcel Apfelbaum <marcel@redhat.com> Cc: Markus Armbruster <armbru@redhat.com> Cc: Peter Maydell <peter.maydell@linaro.org> Cc: Thomas Huth <thuth@redhat.com> Acked-by: Alistair Francis <alistair.francis@xilinx.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Marcel Apfelbaum <marcel@redhat.com> Acked-by: Marcel Apfelbaum <marcel@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20170503203604.31462-2-ehabkost@redhat.com> [ehabkost: kept "TODO remove once we're there" comment] Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-05-09qobject: Use simpler QDict/QList scalar insertion macrosEric Blake
We now have macros in place to make it less verbose to add a scalar to QDict and QList, so use them. Patch created mechanically via: spatch --sp-file scripts/coccinelle/qobject.cocci \ --macro-file scripts/cocci-macro-file.h --dir . --in-place then touched up manually to fix a couple of '?:' back to original spacing, as well as avoiding a long line in monitor.c. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20170427215821.19397-7-eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-05-04monitor: Move hmp_loadvm from monitor.c to hmp.cJuan Quintela
We are going to move the rest of hmp snapshots functions there instead of monitor.c. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-28replication: Make --disable-replication compile againMarkus Armbruster
Broken in commit daa33c5. Cc: qemu-stable@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com> Message-id: 1493298053-17140-1-git-send-email-armbru@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-04-26monitor: Check whether TCG is enabled before running the "info jit" codeThomas Huth
The "info jit" command currently aborts on Mac OS X with the message "qemu_mutex_lock: Invalid argument" when running with "-M accel=qtest". We should only call into the TCG code here if TCG has really been enabled and initialized. Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <1493179907-22516-1-git-send-email-thuth@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Tested-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-04-26hmp: gpa2hva and gpa2hpa hostaddr commandPaolo Bonzini
These commands are useful when testing machine-check passthrough. gpa2hva is useful to inject a MADV_HWPOISON madvise from gdb, while gpa2hpa is useful to inject an error with the mce-inject kernel module. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <1490021158-4469-1-git-send-email-pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20170420133058.12911-1-pbonzini@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-03-14qemu-timer: do not include sysemu/cpus.h from util/qemu-timer.hPaolo Bonzini
This dependency is the wrong way, and we will need util/qemu-timer.h from sysemu/cpus.h in the next patch. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-07monitor: Assert qmp_schema_json[] is saneMarkus Armbruster
qmp_query_qmp_schema() parses qmp_schema_json[] with qobject_from_json(). This must not fail, so pass &error_abort. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <1488317230-26248-17-git-send-email-armbru@redhat.com>
2017-03-07qobject: Propagate parse errors through qobject_from_json()Markus Armbruster
The next few commits will put the errors to use where appropriate. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <1488317230-26248-13-git-send-email-armbru@redhat.com>
2017-03-05qmp: Drop duplicated QMP command object checksMarkus Armbruster
qmp_check_input_obj() duplicates qmp_dispatch_check_obj(), except the latter screws up an error message. handle_qmp_command() runs first the former, then the latter via qmp_dispatch(), masking the screwup. qemu-ga also masks the screwup, because it also duplicates checks, just differently. qmp_check_input_obj() exists because handle_qmp_command() needs to examine the command before dispatching it. The previous commit got rid of this need, except for a tracepoint, and a bit of "id" code that relies on qdict not being null. Fix up the error message in qmp_dispatch_check_obj(), drop qmp_check_input_obj() and the tracepoint. Protect the "id" code with a conditional. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <1488544368-30622-9-git-send-email-armbru@redhat.com>
2017-03-05qmp: Clean up how we enforce capability negotiationMarkus Armbruster
To enforce capability negotiation before normal operation, handle_qmp_command() inspects every command before it's handed off to qmp_dispatch(). This is a bit of a layering violation, and results in duplicated code. Before capability negotiation (!cur_mon->in_command_mode), we fail commands other than "qmp_capabilities". This is what enforces capability negotiation. Afterwards, we fail command "qmp_capabilities". Clean this up as follows. The obvious place to fail a command is the command itself, so move the "afterwards" check to qmp_qmp_capabilities(). We do the "before" check in every other command, but that would be bothersome. Instead, start with an alternate list of commands that contains only "qmp_capabilities". Switch to the full list in qmp_qmp_capabilities(). Additionally, replace the generic human-readable error message for CommandNotFound by one that reminds the user to run qmp_capabilities. Without that, we'd regress commit 2d5a834. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1488544368-30622-8-git-send-email-armbru@redhat.com> [Mirco-optimization squashed in, commit message typo fixed] Reviewed-by: Eric Blake <eblake@redhat.com>
2017-03-05qapi: Support multiple command registries per programMarkus Armbruster
The command registry encapsulates a single command list. Give the functions using it a parameter instead. Define suitable command lists in monitor, guest agent and test-qmp-commands. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1488544368-30622-6-git-send-email-armbru@redhat.com> [Debugging turds buried] Reviewed-by: Eric Blake <eblake@redhat.com>
2017-03-05qmp: Dumb down how we run QMP command registrationMarkus Armbruster
The way we get QMP commands registered is high tech: * qapi-commands.py generates qmp_init_marshal() that does the actual work * it also generates the magic to register it as a MODULE_INIT_QAPI function, so it runs when someone calls module_call_init(MODULE_INIT_QAPI) * main() calls module_call_init() QEMU needs to register a few non-qapified commands. Same high tech works: monitor.c has its own qmp_init_marshal() along with the magic to make it run in module_call_init(MODULE_INIT_QAPI). QEMU also needs to unregister commands that are not wanted in this build's configuration (commit 5032a16). Simple enough: qmp_unregister_commands_hack(). The difficulty is to make it run after the generated qmp_init_marshal(). We can't simply run it in monitor.c's qmp_init_marshal(), because the order in which the registered functions run is indeterminate. So qmp_init_marshal() registers qmp_unregister_commands_hack() separately. Since registering *appends* to the list of registered functions, this will make it run after all the functions that have been registered already. I suspect it takes a long and expensive computer science education to not find this silly. Dumb it down as follows: * Drop MODULE_INIT_QAPI entirely * Give the generated qmp_init_marshal() external linkage. * Call it instead of module_call_init(MODULE_INIT_QAPI) * Except in QEMU proper, call new monitor_init_qmp_commands() that in turn calls the generated qmp_init_marshal(), registers the additional commands and unregisters the unwanted ones. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <1488544368-30622-5-git-send-email-armbru@redhat.com>
2017-02-27i386: Implement query-cpu-model-expansion QMP commandEduardo Habkost
Implement query-cpu-model-expansion for target-i386. This should meet all the requirements while being simple. In the case of static expansion, it will use the new "base" CPU model, and in the case of full expansion, it will keep the original CPU model name+props, and append extra properties. A future follow-up should improve the implementation of type=full, so that it returns more detailed data, including every writable QOM property in the CPU object. Cc: libvir-list@redhat.com Cc: Jiri Denemark <jdenemar@redhat.com> Message-Id: <20170222190029.17243-3-ehabkost@redhat.com> Tested-by: Jiri Denemark <jdenemar@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-02-24Merge remote-tracking branch 'remotes/armbru/tags/pull-util-2017-02-23' into ↵Peter Maydell
staging option cutils: Fix and clean up number conversions # gpg: Signature made Thu 23 Feb 2017 19:41:17 GMT # gpg: using RSA key 0x3870B400EB918653 # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-util-2017-02-23: (24 commits) option: Fix checking of sizes for overflow and trailing crap util/cutils: Change qemu_strtosz*() from int64_t to uint64_t util/cutils: Return qemu_strtosz*() error and value separately util/cutils: Let qemu_strtosz*() optionally reject trailing crap qemu-img: Wrap cvtnum() around qemu_strtosz() test-cutils: Drop suffix from test_qemu_strtosz_simple() test-cutils: Use qemu_strtosz() more often util/cutils: Drop QEMU_STRTOSZ_DEFSUFFIX_* macros util/cutils: New qemu_strtosz() util/cutils: Rename qemu_strtosz() to qemu_strtosz_MiB() util/cutils: New qemu_strtosz_metric() test-cutils: Cover qemu_strtosz() around range limits test-cutils: Cover qemu_strtosz() with trailing crap test-cutils: Cover qemu_strtosz() invalid input test-cutils: Add missing qemu_strtosz()... endptr checks option: Fix to reject invalid and overflowing numbers util/cutils: Clean up control flow around qemu_strtol() a bit util/cutils: Clean up variable names around qemu_strtol() util/cutils: Rename qemu_strtoll(), qemu_strtoull() util/cutils: Rewrite documentation of qemu_strtol() & friends ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-24Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2017-02-22' into ↵Peter Maydell
staging QAPI patches for 2017-02-22 # gpg: Signature made Wed 22 Feb 2017 19:12:27 GMT # gpg: using RSA key 0x3870B400EB918653 # gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" # gpg: aka "Markus Armbruster <armbru@pond.sub.org>" # Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653 * remotes/armbru/tags/pull-qapi-2017-02-22: block: Don't bother asserting type of output visitor's output monitor: Clean up handle_hmp_command() a bit tests: Don't check qobject_type() before qobject_to_qbool() tests: Don't check qobject_type() before qobject_to_qfloat() tests: Don't check qobject_type() before qobject_to_qint() tests: Don't check qobject_type() before qobject_to_qstring() tests: Don't check qobject_type() before qobject_to_qlist() Don't check qobject_type() before qobject_to_qdict() test-qmp-event: Simplify and tighten event_test_emit() libqtest: Clean up qmp_response() a bit check-qjson: Simplify around compare_litqobj_to_qobj() check-qdict: Tighten qdict_crumple_test_recursive() some check-qdict: Simplify qdict_crumple_test_recursive() qdict: Make qdict_get_qlist() safe like qdict_get_qdict() net: Flatten simple union NetLegacyOptions numa: Flatten simple union NumaOptions Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-24Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.9-20170222' ↵Peter Maydell
into staging ppc patch queue for 2017-02-22 This pull request has: * Yet more POWER9 instruction implementations * Some extensions to the softfloat code which are necesssary for some of those instructions * Some preliminary patches in preparation for POWER9 softmmu implementation * Igor Mammedov's cleanups to unify hotplug cpu handling across architectures * Assorted bugfixes The softfloat and cpu hotplug changes aren't entirely ppc specific (in fact the hotplug stuff contains some pc specific patches). However they're included here because ppc is one of the main beneficiaries, and the series depend on some ppc specific patches. # gpg: Signature made Wed 22 Feb 2017 06:29:47 GMT # gpg: using RSA key 0x6C38CACA20D9B392 # gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" # gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" # gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" # gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" # Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392 * remotes/dgibson/tags/ppc-for-2.9-20170222: (43 commits) hw/ppc/ppc405_uc.c: Avoid integer overflows hw/ppc/spapr: Check for valid page size when hot plugging memory target-ppc: fix Book-E TLB matching hw/net/spapr_llan: 6 byte mac address device tree entry machine: replace query_hotpluggable_cpus() callback with has_hotpluggable_cpus flag machine: unify [pc_|spapr_]query_hotpluggable_cpus() callbacks spapr: reuse machine->possible_cpus instead of cores[] change CPUArchId.cpu type to Object* pc: pass apic_id to pc_find_cpu_slot() directly so lookup could be done without CPU object pc: calculate topology only once when possible_cpus is initialised pc: move pcms->possible_cpus init out of pc_cpus_init() machine: move possible_cpus to MachineState hw/pci-host/prep: Do not use hw_error() in realize function target/ppc/POWER9: Direct all instr and data storage interrupts to the hypv target/ppc/POWER9: Adapt LPCR handling for POWER9 target/ppc/POWER9: Add ISAv3.00 MMU definition target/ppc: Fix LPCR DPFD mask define target-ppc: Add xscvqpudz and xscvqpuwz instructions target-ppc: Implement round to odd variants of quad FP instructions softfloat: Add float128_to_uint32_round_to_zero() ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-23util/cutils: Change qemu_strtosz*() from int64_t to uint64_tMarkus Armbruster
This will permit its use in parse_option_size(). Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> (maintainer:X86) Cc: Kevin Wolf <kwolf@redhat.com> (supporter:Block layer core) Cc: Max Reitz <mreitz@redhat.com> (supporter:Block layer core) Cc: qemu-block@nongnu.org (open list:Block layer core) Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <1487708048-2131-24-git-send-email-armbru@redhat.com>
2017-02-23util/cutils: Return qemu_strtosz*() error and value separatelyMarkus Armbruster
This makes qemu_strtosz(), qemu_strtosz_mebi() and qemu_strtosz_metric() similar to qemu_strtoi64(), except negative values are rejected. Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> (maintainer:X86) Cc: Kevin Wolf <kwolf@redhat.com> (supporter:Block layer core) Cc: Max Reitz <mreitz@redhat.com> (supporter:Block layer core) Cc: qemu-block@nongnu.org (open list:Block layer core) Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <1487708048-2131-23-git-send-email-armbru@redhat.com>
2017-02-23util/cutils: Rename qemu_strtosz() to qemu_strtosz_MiB()Markus Armbruster
With qemu_strtosz(), no suffix means mebibytes. It's used rarely. I'm going to add a similar function where no suffix means bytes. Rename qemu_strtosz() to qemu_strtosz_MiB() to make the name qemu_strtosz() available for the new function. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <1487708048-2131-16-git-send-email-armbru@redhat.com>
2017-02-22monitor: Clean up handle_hmp_command() a bitMarkus Armbruster
Leave checking qobject_type(req) to qmp_check_input_obj(). Rework handling of json_parser_parse_err() failing without setting an error. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1487363905-9480-14-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2017-02-22Don't check qobject_type() before qobject_to_qdict()Markus Armbruster
qobject_to_qdict(obj) returns NULL when obj isn't a QDict. Check that instead of qobject_type(obj) == QTYPE_QDICT. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1487363905-9480-8-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2017-02-22machine: replace query_hotpluggable_cpus() callback with ↵Igor Mammedov
has_hotpluggable_cpus flag Generic helper machine_query_hotpluggable_cpus() replaced target specific query_hotpluggable_cpus() callbacks so there is no need in it anymore. However inon NULL callback value is used to detect/report hotpluggable cpus support, therefore it can be removed completely. Replace it with MachineClass.has_hotpluggable_cpus boolean which is sufficient for the task. Suggested-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-02-21monitor: Fix crashes when using HMP commands without CPUThomas Huth
When running certain HMP commands ("info registers", "info cpustats", "info tlb", "nmi", "memsave" or dumping virtual memory) with the "none" machine, QEMU crashes with a segmentation fault. This happens because the "none" machine does not have any CPUs by default, but these HMP commands did not check for a valid CPU pointer yet. Add such checks now, so we get an error message about the missing CPU instead. Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <1484309555-1935-1-git-send-email-thuth@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-02-02Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' ↵Peter Maydell
into staging # gpg: Signature made Wed 01 Feb 2017 13:44:32 GMT # gpg: using RSA key 0x9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/tracing-pull-request: trace: clean up trace-events files qapi: add missing trace_visit_type_enum() call trace: improve error reporting when parsing simpletrace header trace: update docs to reflect new code generation approach trace: switch to modular code generation for sub-directories trace: move setting of group name into Makefiles trace: move hw/i386/xen events to correct subdir trace: move hw/xen events to correct subdir trace: move hw/block/dataplane events to correct subdir make: move top level dir to end of include search path # Conflicts: # Makefile Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-01-31char: headers clean-upMarc-André Lureau
Those could probably be squashed with earlier patches, however I couldn't easily identify them, test them or check if there are still necessary on various platforms. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2017-01-31trace: switch to modular code generation for sub-directoriesDaniel P. Berrange
Introduce rules in the top level Makefile that are able to generate trace.[ch] files in every subdirectory which has a trace-events file. The top level directory is handled specially, so instead of creating trace.h, it creates trace-root.h. This allows sub-directories to include the top level trace-root.h file, without ambiguity wrt to the trace.g file in the current sub-dir. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170125161417.31949-7-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-01-27chardev: qom-ifyMarc-André Lureau
Turn Chardev into Object. qemu_chr_alloc() is replaced by the qemu_chardev_new() constructor. It will call qemu_char_open() to open/intialize the chardev with the ChardevCommon *backend settings. The CharDriver::create() callback is turned into a ChardevClass::open() which is called from the newly introduced qemu_chardev_open(). "chardev-gdb" and "chardev-hci" are internal chardev and aren't creatable directly with -chardev. Use a new internal flag to disable them. We may want to use TYPE_USER_CREATABLE interface instead, or perhaps allow -chardev usage. Although in general we keep typename and macros private, unless the type is being used by some other file, in this patch, all types and common helper macros for qemu-char.c are in char.h. This is to help transition now (some types must be declared early, while some aren't shared) and when splitting in several units. This is to be improved later. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-27char: rename CharDriverState ChardevMarc-André Lureau
Pick a uniform chardev type name. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-27char: introduce generic qemu_chr_get_kind()Marc-André Lureau
This allows to remove the "is_mux" field from CharDriverState. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-27memory: hmp: add "-f" for "info mtree"Peter Xu
Adding one more option "-f" for "info mtree" to dump the flat views of all the address spaces. This will be useful to debug the memory rendering logic, also it'll be much easier with it to know what memory region is handling what address range. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <1484556005-29701-3-git-send-email-peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-20Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
* QOM interface fix (Eduardo) * RTC fixes (Gaohuai, Igor) * Memory leak fixes (Li Qiang, me) * Ctrl-a b regression (Marc-André) * Stubs cleanups and fixes (Leif, me) * hxtool tweak (me) * HAX support (Vincent) * QemuThread, exec.c and SCSI fixes (Roman, Xinhua, me) * PC_COMPAT_2_8 fix (Marcelo) * stronger bitmap assertions (Peter) # gpg: Signature made Fri 20 Jan 2017 12:49:01 GMT # 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: (35 commits) pc.h: move x-mach-use-reliable-get-clock compat entry to PC_COMPAT_2_8 bitmap: assert that start and nr are non negative Revert "win32: don't run subprocess tests on Mingw32 platform" hax: add Darwin support Plumb the HAXM-based hardware acceleration support target/i386: Add Intel HAX files kvm: move cpu synchronization code KVM: PPC: eliminate unnecessary duplicate constants ramblock-notifier: new char: fix ctrl-a b not working exec: Add missing rcu_read_unlock x86: ioapic: fix fail migration when irqchip=split x86: ioapic: dump version for "info ioapic" x86: ioapic: add traces for ioapic hxtool: emit Texinfo headings as @subsection qemu-thread: fix qemu_thread_set_name() race in qemu_thread_create() serial: fix memory leak in serial exit scsi-block: fix direction of BYTCHK test for VERIFY commands pc: fix crash in rtc_set_memory() if initial cpu is marked as hotplugged acpi: filter based on CONFIG_ACPI_X86 rather than TARGET ... # Conflicts: # include/hw/i386/pc.h
2017-01-19kvm: move cpu synchronization codeVincent Palatin
Move the generic cpu_synchronize_ functions to the common hw_accel.h header, in order to prepare for the addition of a second hardware accelerator. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Vincent Palatin <vpalatin@chromium.org> Message-Id: <f5c3cffe8d520011df1c2e5437bb814989b48332.1484045952.git.vpalatin@chromium.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-19error: Report certain hints on stderr when no monitorMarc-André Lureau
Hints printed with error_printf_unless_qmp() are suppressed outside monitor context. Reproducer: $ qemu-system-x86_64 -m 1Z qemu-system-x86_64: -m 1Z: Parameter 'size' expects a size Print to stderr instead. The reproducer now additionally prints: You may use k, M, G or T suffixes for kilobytes, megabytes, gigabytes and terabytes. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20170105135957.12003-1-marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Commit message tweaked] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-11-01qemu-error: remove dependency of stubs on monitorPaolo Bonzini
Leave the implementation of error_vprintf and error_vprintf_unless_qmp (the latter now trivially wrapped by error_printf_unless_qmp) to libqemustub.a and monitor.c. This has two advantages: it lets us remove the monitor_printf and monitor_vprintf stubs, and it lets tests provide a different implementation of the functions that uses g_test_message. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <1477326663-67817-2-git-send-email-pbonzini@redhat.com>
2016-10-28clean-up: removed duplicate #includesAnand J
Some files contain multiple #includes of the same header file. Removed most of those unnecessary duplicate entries using scripts/clean-includes. Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Anand J <anand.indukala@gmail.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-10-28monitor: deprecate 'default' optionMarc-André Lureau
This option does nothing since commit 06ac27f. Deprecate it. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-10-25qapi: rename *qmp-*-visitor* to *qobject-*-visitor*Daniel P. Berrange
The QMP visitors have no direct dependency on QMP. It is valid to use them anywhere that one has a QObject. Rename them to better reflect their functionality as a generic QObject to QAPI converter. This is the first of three parts: rename the files. The next two parts will rename C identifiers. The split is necessary to make git rename detection work. Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Split into file and identifier rename, two comments touched up] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2016-10-24char: remove explicit_fe_open, use a set_handlers argumentMarc-André Lureau
No need to keep explicit_fe_open around if it affects only a qemu_chr_fe_set_handlers(). Use an additional argument instead. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20161022095318.17775-24-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-10-24char: replace qemu_chr_claim/release with qemu_chr_fe_init/deinitMarc-André Lureau
Now that all front end use qemu_chr_fe_init(), we can move chardev claiming in init(), and add a function deinit() to release the chardev and cleanup handlers. The qemu_chr_fe_claim_no_fail() for property are gone, since the property will raise an error instead. In other cases, where there is already an error path, an error is raised instead. Finally, other cases are handled by &error_abort in qemu_chr_fe_init(). Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20161022095318.17775-19-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-10-24char: use qemu_chr_fe* functions with CharBackend argumentMarc-André Lureau
This also switches from qemu_chr_add_handlers() to qemu_chr_fe_set_handlers(). Note that qemu_chr_fe_set_handlers() now takes the focus when fe_open (qemu_chr_add_handlers() did take the focus) Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20161022095318.17775-16-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-10-24char: remaining switch to CharBackend in frontendMarc-André Lureau
Similar to previous change, for the remaining CharDriverState front ends users. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20161022095318.17775-13-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-10-12trace: convert code to use event iteratorsDaniel P. Berrange
This converts the HMP/QMP monitor API implementations and some internal trace control methods to use the new trace event iterator APIs. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Lluís Vilanova <vilanova@ac.upc.edu> Message-id: 1475588159-30598-5-git-send-email-berrange@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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