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* acpi: Add IPMI table entriesCorey Minyard2016-06-242-0/+15
| | | | | | | | | | | | | | | Use the ACPI table construction tools to create an ACPI entry for IPMI. This adds a function called build_acpi_ipmi_devices to add an DSDT entry for IPMI if IPMI is compiled in and an IPMI device exists. It also adds a dummy function if IPMI is not compiled in. This conforms to section "C3-2 Locating IPMI System Interfaces in ACPI Name Space" in the IPMI 2.0 specification. Signed-off-by: Corey Minyard <cminyard@mvista.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* ipmi: Add SMBIOS table entryCorey Minyard2016-06-242-0/+15
| | | | | | | | Add an IPMI table entry to the SMBIOS. Signed-off-by: Corey Minyard <cminyard@mvista.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* qemu-common: stop including qemu/host-utils.h from qemu-common.hPaolo Bonzini2016-05-191-0/+1
| | | | | | | Move it to the actual users. There are some inclusions of qemu/host-utils.h in headers, but they are all necessary. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* include: move CPU-related definitions out of qemu-common.hPaolo Bonzini2016-05-191-0/+1
| | | | | Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* event-notifier: Add "is_external" parameterFam Zheng2016-04-221-0/+10
| | | | | | | | | | All callers pass "false" keeping the old semantics. The windows implementation doesn't distinguish the flag yet. On posix, it is passed down to the underlying aio context. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* iohandler: Introduce iohandler_get_aio_contextFam Zheng2016-04-222-0/+9
| | | | | | Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* replay: introduce block devices record/replayPavel Dovgalyuk2016-03-301-0/+4
| | | | | | | | | | | | | | This patch introduces block driver that implement recording and replaying of block devices' operations. All block completion operations are added to the queue. Queue is flushed at checkpoints and information about processed requests is recorded to the log. In replay phase the queue is matched with events read from the log. Therefore block devices requests are processed deterministically. Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> [ kwolf: Rebased onto modified and already applied part of the series ] Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* Clean up includes some moreMarkus Armbruster2016-03-223-4/+0Star
| | | | | | | | | Manually drop redundant includes that scripts/clean-includes misses, e.g. because they're hidden in generator programs, or they use the wrong kind of delimiter. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Use scripts/clean-includes to drop redundant qemu/typedefs.hMarkus Armbruster2016-03-222-2/+0Star
| | | | | | | | | | | | Re-run scripts/clean-includes to apply the previous commit's corrections and updates. Besides redundant qemu/typedefs.h, this only finds a redundant config-host.h include in ui/egl-helpers.c. No idea how that escaped the previous runs. Some manual whitespace trimming around dropped includes squashed in. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* include/qemu/osdep.h: Don't include qapi/error.hMarkus Armbruster2016-03-221-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 57cb38b included qapi/error.h into qemu/osdep.h to get the Error typedef. Since then, we've moved to include qemu/osdep.h everywhere. Its file comment explains: "To avoid getting into possible circular include dependencies, this file should not include any other QEMU headers, with the exceptions of config-host.h, compiler.h, os-posix.h and os-win32.h, all of which are doing a similar job to this file and are under similar constraints." qapi/error.h doesn't do a similar job, and it doesn't adhere to similar constraints: it includes qapi-types.h. That's in excess of 100KiB of crap most .c files don't actually need. Add the typedef to qemu/typedefs.h, and include that instead of qapi/error.h. Include qapi/error.h in .c files that need it and don't get it now. Include qapi-types.h in qom/object.h for uint16List. Update scripts/clean-includes accordingly. Update it further to match reality: replace config.h by config-target.h, add sysemu/os-posix.h, sysemu/os-win32.h. Update the list of includes in the qemu/osdep.h comment quoted above similarly. This reduces the number of objects depending on qapi/error.h from "all of them" to less than a third. Unfortunately, the number depending on qapi-types.h shrinks only a little. More work is needed for that one. Signed-off-by: Markus Armbruster <armbru@redhat.com> [Fix compilation without the spice devel packages. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* block: Add bdrv_next_monitor_owned()Max Reitz2016-03-172-0/+9
| | | | | | | | Add a function for iterating over all monitor-owned BlockDriverStates so the generic block layer can do so. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: Move some bdrv_*_all() functions to BBMax Reitz2016-03-172-3/+3
| | | | | | | Move bdrv_commit_all() and bdrv_flush_all() to the BlockBackend level. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* icount: decouple warp callsPavel Dovgalyuk2016-03-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | qemu_clock_warp function is called to update virtual clock when CPU is sleeping. This function includes replay checkpoint to make execution deterministic in icount mode. Record/replay module flushes async event queue at checkpoints. Some of the events (e.g., block devices operations) include interaction with hardware. E.g., APIC polled by block devices sets one of IRQ flags. Flag to be set depends on currently executed thread (CPU or iothread). Therefore in replay mode we have to process the checkpoints in the same thread as they were recorded. qemu_clock_warp function (and its checkpoint) may be called from different thread. This patch decouples two different execution cases of this function: call when CPU is sleeping from iothread and call from cpu thread to update virtual clock. First task is performed by qemu_start_warp_timer function. It sets warp timer event to the moment of nearest pending virtual timer. Second function (qemu_account_warp_timer) is called from cpu thread before execution of the code. It advances virtual clock by adding the length of period while CPU was sleeping. Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20160310115609.4812.44986.stgit@PASHA-ISP> [Update docs. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* replay: character devicesPavel Dovgalyuk2016-03-151-0/+34
| | | | | | | | | | | | | | | | | | | This patch implements record and replay of character devices. It records chardevs communication in replay mode. Recorded information include data read from backend and counter of bytes written from frontend to backend to preserve frontend internal state. If character device was configured through the command line in record mode, then in replay mode it should be also added to command line. Backend of the character device could be changed in replay mode. Replaying of devices that perform ioctl and get_msgfd operations is not supported. gdbstub which also acts as a backend is not recorded to allow controlling the replaying through gdb. Monitor backends are also not recorded. Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20160314074436.4980.83856.stgit@PASHA-ISP> [Add stubs. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* typedefs: Add CPUStateLluís Vilanova2016-03-011-2/+1Star
| | | | | | Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Message-id: 145641861239.30295.8564457138934628740.stgit@localhost Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* move get_current_ram_size to virtio-balloon.cVladimir Sementsov-Ogievskiy2016-02-231-5/+0Star
| | | | | | | | | | | | get_current_ram_size() is used only in virtio-balloon.c This patch moves it into virtio-balloon and make it static, to allow some balloon-specific tuning. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* all: Clean up includesPeter Maydell2016-02-161-0/+1
| | | | | | | | | | 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> Reviewed-by: Eric Blake <eblake@redhat.com>
* stubs: Clean up includesPeter Maydell2016-02-0440-1/+40
| | | | | | | | | | 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: 1454089805-5470-3-git-send-email-peter.maydell@linaro.org
* blockdev: Keep track of monitor-owned BDSMax Reitz2016-02-022-0/+6
| | | | | | | | As a side effect, we can now make x-blockdev-del's check whether a BDS is actually owned by the monitor explicit. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* kvm: x86: add support for KVM_CAP_SPLIT_IRQCHIPPaolo Bonzini2015-12-171-1/+1
| | | | | | | | | | | | | | | | | | | | This patch adds support for split IRQ chip mode. When KVM_CAP_SPLIT_IRQCHIP is enabled: 1.) The PIC, PIT, and IOAPIC are implemented in userspace while the LAPIC is implemented by KVM. 2.) The software IOAPIC delivers interrupts to the KVM LAPIC via kvm_set_irq. Interrupt delivery is configured via the MSI routing table, for which routes are reserved in target-i386/kvm.c then configured in hw/intc/ioapic.c 3.) KVM delivers IOAPIC EOIs via a new exit KVM_EXIT_IOAPIC_EOI, which is handled in target-i386/kvm.c and relayed to the software IOAPIC via ioapic_eoi_broadcast. Signed-off-by: Matt Gingell <gingell@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* main-loop: suppress warnings under qtestMichael S. Tsirkin2015-12-021-0/+5
| | | | | | | | | | | | | | commit 01c22f2cdd4fcf02276ea10f48253850a5fd7259 ("main-loop: Suppress "I/O thread spun" warnings for qtest") doesn't actually disable the warning for everyone since some tests don't run under the qtest accelerator. Check qtest_driver instead. Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Message-Id: <1448882964-22433-1-git-send-email-mst@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* monitor/target-ppc: Define target_get_monitor_defAlexey Kardashevskiy2015-11-122-0/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At the moment get_monitor_def() returns only registers from statically defined monitor_defs array. However there is a lot of BOOK3S SPRs which are not in the list and cannot be printed from the monitor. This adds a new target platform hook - target_get_monitor_def(). The hook is called if a register was not found in the static array returned by the target_monitor_defs() hook. The hook is only defined for POWERPC, it returns registered SPRs and fails on unregistered ones providing the user with information on what is actually supported on the running CPU. The register value is saved as uint64_t as it is the biggest supported register size; target_ulong cannot be used because of the stub - it is in a "common" code and cannot include "cpu.h", etc; this is also why the hook prototype is redefined in the stub instead of being included from some header. This replaces static descriptors for GPRs, FPRs, SRs with a helper which looks for a value in a corresponding array in the CPUPPCState. The immediate effect is that all 32 SRs can be printed now (instead of 16); later this can be reused for VSX or TM registers. This replaces callbacks for MSR and XER with static descriptors in monitor_defs as they are stored in CPUPPCState. While we are here, this adds "cr" as a synonym of "ccr". Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
* replay: initialization and deinitializationPavel Dovgalyuk2015-11-061-0/+9
| | | | | | | | | | | | This patch introduces the functions for enabling the record/replay and for freeing the resources when simulator closes. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20150917162507.8676.90232.stgit@PASHA-ISP.def.inno> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
* replay: checkpointsPavel Dovgalyuk2015-11-061-0/+6
| | | | | | | | | | | This patch introduces checkpoints that synchronize cpu thread and iothread. When checkpoint is met in the code all asynchronous events from the queue are executed. Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20150917162444.8676.52916.stgit@PASHA-ISP.def.inno> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
* replay: recording and replaying clock ticksPavel Dovgalyuk2015-11-061-0/+13
| | | | | | | | | | | | | | | | Clock ticks are considered as the sources of non-deterministic data for virtual machine. This patch implements saving the clock values when they are acquired (virtual, host clock). When replaying the execution corresponding values are read from log and transfered to the module, which wants to read the values. Such a design required the clock polling to be synchronized. Sometimes it is not true - e.g. when timeouts for timer lists are checked. In this case we use a cached value of the clock, passing it to the client code. Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20150917162427.8676.36558.stgit@PASHA-ISP.def.inno> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
* replay: interrupts and exceptionsPavel Dovgalyuk2015-11-061-0/+20
| | | | | | | | | | | This patch includes modifications of common cpu files. All interrupts and exceptions occured during recording are written into the replay log. These events allow correct replaying the execution by kicking cpu thread when one of these events is found in the log. Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20150917162416.8676.57647.stgit@PASHA-ISP.def.inno> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* replay: global variables and function stubsPavel Dovgalyuk2015-11-053-0/+17
| | | | | | | | | | | | This patch adds global variables, defines, function declarations, and function stubs for deterministic VM replay used by external modules. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru> Message-Id: <20150917162337.8676.41538.stgit@PASHA-ISP.def.inno> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell2015-10-222-0/+7
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | vhost, pc, virtio features, fixes, cleanups New features: VT-d support for devices behind a bridge vhost-user migration support Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Thu 22 Oct 2015 12:39:19 BST using RSA key ID D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" * remotes/mst/tags/for_upstream: (37 commits) hw/isa/lpc_ich9: inject the SMI on the VCPU that is writing to APM_CNT i386: keep cpu_model field in MachineState uptodate vhost: set the correct queue index in case of migration with multiqueue piix: fix resource leak reported by Coverity seccomp: add memfd_create to whitelist vhost-user-test: check ownership during migration vhost-user-test: add live-migration test vhost-user-test: learn to tweak various qemu arguments vhost-user-test: wrap server in TestServer struct vhost-user-test: remove useless static check vhost-user-test: move wait_for_fds() out vhost: add migration block if memfd failed vhost-user: use an enum helper for features mask vhost user: add rarp sending after live migration for legacy guest vhost user: add support of live migration net: add trace_vhost_user_event vhost-user: document migration log vhost: use a function for each call vhost-user: add a migration blocker vhost-user: send log shm fd along with log_base ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * vhost: add vhost_has_free_slot() interfaceIgor Mammedov2015-10-222-0/+7
| | | | | | | | | | | | | | | | | | | | | | it will allow for other parts of QEMU check if it's safe to map memory region during hotplug/runtime. That way hotplug path will have a chance to cancel hotplug operation instead of crashing in vhost_commit(). Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* | qemu-char: convert vc backend to data-driven creationPaolo Bonzini2015-10-192-8/+0Star
| | | | | | | | | | Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* | qemu-char: convert spice backend to data-driven creationPaolo Bonzini2015-10-192-15/+0Star
| | | | | | | | | | Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* | qemu-char: convert testdev backend to data-driven creationPaolo Bonzini2015-10-192-8/+0Star
| | | | | | | | | | Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* | qemu-char: convert braille backend to data-driven creationPaolo Bonzini2015-10-192-8/+0Star
| | | | | | | | | | Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* | qemu-char: convert msmouse backend to data-driven creationPaolo Bonzini2015-10-192-8/+0Star
|/ | | | | Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* monitor: remove target-specific code from monitor.cPavel Butsykin2015-09-162-0/+10
| | | | | | | | | | | | | | Move target-specific code out of /monitor.c to /target-*/monitor.c, this will avoid code cluttering and using random ifdeffery. The solution is quite simple, but solves the issue of the separation of target-specific code from monitor. Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com> Signed-off-by: Denis V. Lunev <den@openvz.org> CC: Paolo Bonzini <pbonzini@redhat.com> CC: Peter Maydell <peter.maydell@linaro.org> Message-Id: <1441899541-1856-3-git-send-email-den@openvz.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* main-loop: introduce qemu_mutex_iothread_lockedPaolo Bonzini2015-07-011-0/+5
| | | | | | | | | | | | | | | | | | | | | | This function will be used to avoid recursive locking of the iothread lock whenever address_space_rw/ld*/st* are called with the BQL held, which is almost always the case. Tracking whether the iothread is owned is very cheap (just use a TLS variable) but requires some care because now the lock must always be taken with qemu_mutex_lock_iothread(). Previously this wasn't the case. Outside TCG mode this is not a problem. In TCG mode, we need to be careful and avoid the "prod out of compiled code" step if already in a VCPU thread. This is easily done with a check on current_cpu, i.e. qemu_in_vcpu_thread(). Hopefully, multithreaded TCG will get rid of the whole logic to kick VCPUs whenever an I/O event occurs! Cc: Frederic Konrad <fred.konrad@greensocs.com> Message-Id: <1434646046-27150-3-git-send-email-pbonzini@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Include qapi/qmp/qerror.h exactly where neededMarkus Armbruster2015-06-221-1/+0Star
| | | | | | | | | 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>
* qerror: Finally unused, clean upMarkus Armbruster2015-06-223-9/+2Star
| | | | | | | | | | | | | Remove it except for two things in qerror.h: * Two #include to be cleaned up separately to avoid cluttering this patch. * The QERR_ macros. Mark as obsolete. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
* qerror: Clean up QERR_ macros to expand into a single stringMarkus Armbruster2015-06-221-1/+1
| | | | | | | | | | | | | | | | | | | | | These macros expand into error class enumeration constant, comma, string. Unclean. Has been that way since commit 13f59ae. The error class is always ERROR_CLASS_GENERIC_ERROR since the previous commit. Clean up as follows: * Prepend every use of a QERR_ macro by ERROR_CLASS_GENERIC_ERROR, and delete it from the QERR_ macro. No change after preprocessing. * Rewrite error_set(ERROR_CLASS_GENERIC_ERROR, ...) into error_setg(...). Again, no change after preprocessing. 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>
* iohandler: Change return type of qemu_set_fd_handler to "void"Fam Zheng2015-06-121-4/+4
| | | | | | Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1433400324-7358-14-git-send-email-famz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* main-loop: Drop qemu_set_fd_handler2Fam Zheng2015-06-121-9/+0Star
| | | | | | | | | All users are converted to qemu_set_fd_handler now, drop qemu_set_fd_handler2 and IOHandlerRecord.fd_read_poll. Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1433400324-7358-9-git-send-email-famz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* stubs: Add qemu_set_fd_handlerFam Zheng2015-06-121-0/+8
| | | | | | | | | | Some qemu_set_fd_handler2 stub callers will be converted to call qemu_set_fd_handler, add this stub for them before making the change. Signed-off-by: Fam Zheng <famz@redhat.com> Message-id: 1433400324-7358-2-git-send-email-famz@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* monitor: Change return type of monitor_cur_is_qmp() to boolMarkus Armbruster2015-06-021-2/+2
| | | | | | Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
* Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell2015-03-092-11/+0Star
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pci, pc, virtio fixes and cleanups A bunch of fixes all over the place. All of ACPI refactoring has been merged. Legacy pci commands have been dropped. virtio header cleanup initial patches from virtio-1.0 branch Signed-off-by: Michael S. Tsirkin <mst@redhat.com> * remotes/mst/tags/for_upstream: (130 commits) acpi: drop unused code aml-build: comment fix acpi-build: fix typo in comment acpi: update generated files vhost user:support vhost user nic for non msi guests aml-build: fix build for glib < 2.22 acpi: update generated files Makefile.target: binary depends on config-devices acpi-test-data: update after pci rewrite acpi, mem-hotplug: use PC_DIMM_SLOT_PROP in acpi_memory_plug_cb(). pci-hotplug-old: Has been dead for five major releases, bury pci: Give a few helpers internal linkage acpi: make build_*() routines static to aml-build.c pc: acpi: remove not used anymore ssdt-[misc|pcihp].hex.generated blobs pc: acpi-build: drop template patching and create PCI bus tree dynamically tests: ACPI: update pc/SSDT.bridge due to new alg of PCI tree creation pc: acpi-build: simplify PCI bus tree generation tests: add ACPI blobs for qemu with bridge cases tests: bios-tables-test: add support for testing bridges tests: ACPI test blobs update due to PCI0._CRS changes ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Conflicts: hw/pci/pci-hotplug-old.c
| * pci-hotplug-old: Has been dead for five major releases, buryMarkus Armbruster2015-03-012-11/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 79ca616 (v1.6.0) accidentally disabled legacy x86-only HMP commands pci_add, pci_del: it defined CONFIG_PCI_HOTPLUG only as make variable, not as preprocessor macro, killing the code conditional on defined(CONFIG_PCI_HOTPLUG_OLD). In all this time, nobody reported the loss. I only noticed it when I tried to test some error reporting change that forced me to touch this old crap again. Fun: git-log hw/pci/pci-hotplug-old.c shows our faith in the backward compatibility god has been strong enough to sacrifice at its altar about a dozen times, but not strong enough to even once verify the legacy feature's still there, let alone works. Remove the commands along with the code backing them. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* | pc-dimm: add a function to calculate VM's current RAM sizezhanghailiang2015-03-041-0/+5
|/ | | | | | | | | | | | | | The global parameter 'ram_size' does not take into account the hotplugged memory. In some codes, we use 'ram_size' as current VM's real RAM size, which is not correct. Add function 'get_current_ram_size' to calculate VM's current RAM size, it will enumerate present memory devices and also plus ram_size. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* stubs: Fix warning caused by missing include statementStefan Weil2015-02-101-1/+1
| | | | | | | | | | | | Warning from the Sparse static analysis tool: stubs/qtest.c:14:6: warning: symbol 'qtest_allowed' was not declared. Should it be static? Add the missing include statement which declares qtest_allowed. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
* block: Code motion to get rid of stubs/blockdev.cMarkus Armbruster2014-10-202-13/+0Star
| | | | | | | | Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Benoît Canet <benoit.canet@nodalink.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: Keep DriveInfo alive until BlockDriverState diesMarkus Armbruster2014-09-252-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the BDS's refcnt > 0, drive_del() destroys the DriveInfo, but not the BDS. This can happen in three places: * Device model destruction during unplug: blockdev_auto_del() * Xen IDE unplug: pci_piix3_xen_ide_unplug() * drive_del command when no device model is attached: do_drive_del() The other callers of drive_del are on error paths where refcnt == 1. If the user somehow manages to plug in a device model using a BDS that has gone through drive_del(), the legacy configuration passed in DriveInfo doesn't reach the device model, and automatic deletion on unplug doesn't work. Worse, some device models such as scsi-disk crash when DriveInfo doesn't exist. This is theoretical; I didn't research an actual reproducer. The problem was introduced when we replaced DriveInfo reference counting by BDS reference counting in commit a94a3fa..fa510eb. Fix by keeping DriveInfo alive until its BDS dies. This affects qemu_drive_opts: now you can't reuse the same ID for new drive options until the BDS dies. Before, you could, but since the code always attempts to create a BDS with the same ID next, the enclosing operation "create a new drive" failed anyway. Different error path, same result. Unfortunately, the fix involves use of blockdev.c stuff from block.c, which is a layering violation. Fortunately, my forthcoming BlockBackend work will get rid of it again. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Benoît Canet <benoit.canet@nodalink.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* monitor: fix use after freeMichael S. Tsirkin2014-08-181-2/+1Star
| | | | | | | | | | | | | The function monitor_fdset_dup_fd_find_remove() references member of 'mon_fdset' which - when remove flag is set - may be freed in function monitor_fdset_cleanup(). remove is set by monitor_fdset_dup_fd_remove which in practice does not need the returned value, so make it void, and return -1 from monitor_fdset_dup_fd_find_remove. Reported-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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