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2014-03-13cputlb: Change tlb_unprotect_code_phys() argument to CPUStateAndreas Färber1-1/+1
Note that the argument is unused. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu-exec: Change cpu_resume_from_signal() argument to CPUStateAndreas Färber1-1/+1
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13exec: Change cpu_breakpoint_{insert,remove{,_by_ref,_all}} argumentAndreas Färber2-15/+15
Use CPUState. Allows to clean up CPUArchState in gdbstub. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13exec: Change cpu_watchpoint_{insert,remove{,_by_ref,_all}} argumentAndreas Färber2-6/+7
Use CPUState. This lets us drop a few local env usages. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13translate-all: Change tb_flush_jmp_cache() argument to CPUStateAndreas Färber1-1/+1
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13translate-all: Change tb_gen_code() argument to CPUStateAndreas Färber1-1/+1
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13translate-all: Change cpu_io_recompile() argument to CPUStateAndreas Färber2-3/+3
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13translate-all: Change cpu_restore_state() argument to CPUStateAndreas Färber1-1/+1
This lets us drop some local variables in tlb_fill() functions. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu-exec: Change cpu_loop_exit() argument to CPUStateAndreas Färber1-1/+1
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13exec: Change tlb_fill() argument to CPUStateAndreas Färber2-5/+5
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move breakpoints field from CPU_COMMON to CPUStateAndreas Färber2-10/+9
Most targets were using offsetof(CPUFooState, breakpoints) to determine how much of CPUFooState to clear on reset. Use the next field after CPU_COMMON instead, if any, or sizeof(CPUFooState) otherwise. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move watchpoint fields from CPU_COMMON to CPUStateAndreas Färber2-10/+10
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move opaque field from CPU_COMMON to CPUStateAndreas Färber2-3/+3
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move exception_index field from CPU_COMMON to CPUStateAndreas Färber2-3/+1
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move jmp_env field from CPU_COMMON to CPUStateAndreas Färber2-2/+2
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move tb_jmp_cache field from CPU_COMMON to CPUStateAndreas Färber2-4/+4
Clear it on reset. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move icount_decr field from CPU_COMMON to CPUStateAndreas Färber3-22/+23
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move icount_extra field from CPU_COMMON to CPUStateAndreas Färber2-1/+2
Reset it. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move can_do_io field from CPU_COMMON to CPUStateAndreas Färber5-13/+19
Rename can_do_io() to cpu_can_do_io() and change argument to CPUState. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move mem_io_{pc,vaddr} fields from CPU_COMMON to CPUStateAndreas Färber3-11/+12
Reset them. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Turn cpu_handle_mmu_fault() into a CPUClass hookAndreas Färber1-0/+3
Note that while such functions may exist both for *-user and softmmu, only *-user uses the CPUState hook, while softmmu reuses the prototype for calling it directly. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Factor out cpu_generic_init()Andreas Färber1-0/+11
All targets using it gain the ability to set -cpu name,key=value,... options via the default TYPE_CPU CPUClass::parse_features() implementation. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Introduce CPUClass::parse_features() hookAndreas Färber1-0/+2
Adapt the X86CPU implementation to suit the generic hook. This involves a cleanup of error handling to cope with NULL errp. Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Turn cpu_has_work() into a CPUClass hookAndreas Färber1-2/+10
Default to false. Tidy variable naming and inline cast uses while at it. Tested-by: Jia Liu <proljc@gmail.com> (or32) Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into ↵Peter Maydell9-15/+125
staging Block pull request # gpg: Signature made Thu 13 Mar 2014 13:50:49 GMT using RSA key ID 81AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" # 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: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/block-pull-request: (24 commits) block/raw-win32: bdrv_parse_filename() for hdev block/raw-posix: Strip protocol prefix on creation block/raw-posix: bdrv_parse_filename() for cdrom block/raw-posix: bdrv_parse_filename() for floppy block/raw-posix: bdrv_parse_filename() for hdev qemu-io: Fix warnings from static code analysis block: Unlink temporary file qcow2: Don't write with BDRV_O_INCOMING qcow2: Keep option in qcow2_invalidate_cache() qmp: add query-iothreads command iothread: stash thread ID away dataplane: replace internal thread with IOThread iothread: add "iothread" qdev property type qdev: make get_pointer() handle temporary strings iothread: add I/O thread object aio: add aio_context_acquire() and aio_context_release() rfifolock: add recursive FIFO lock object: add object_get_canonical_path_component() block: Rewrite the snapshot authorization mechanism for block filters. iotests: Test corruption during COW request ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-13qemu-io: Fix warnings from static code analysisStefan Weil1-0/+2
Smatch complains about several global symbols which should be local. Add the missing 'static' attributes and move the 'extern' declaration of variable qemuio_misalign to qemu-io.h. This variable also changes the type from 'int' to 'bool' which better fits documents its use. Signed-off-by: Stefan Weil <sw@weilnetz.de> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13dataplane: replace internal thread with IOThreadStefan Hajnoczi1-2/+6
Today virtio-blk dataplane uses a 1:1 device-per-thread model. Now that IOThreads have been introduced we can generalize this to N:M devices per threads. This patch drops thread code from dataplane in favor of running inside an IOThread AioContext. As a bonus we solve the case where a guest keeps submitting I/O requests while dataplane is trying to stop. Previously the dataplane thread would continue to process requests until the request gave it a break. Now we can shut down in bounded time thanks to aio_context_acquire/release. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13iothread: add "iothread" qdev property typeStefan Hajnoczi1-0/+3
Add a "iothread" qdev property type so devices can be hooked up to an IOThread from the comand-line: qemu -object iothread,id=iothread0 \ -device some-device,x-iothread=iothread0 Note that Paolo Bonzini <pbonzini@redhat.com> has suggested using QOM links instead. This way the relationship between the objects is reflected in QOM. There are currently shortcomings of object_property_add_link() which prevent this use case. I will attempt to fix them and move to QOM links in a separate series. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13iothread: add I/O thread objectStefan Hajnoczi1-0/+30
This is a stand-in for Michael Roth's QContext. I expect this to be replaced once QContext is completed. The IOThread object is an AioContext event loop thread. This patch adds the concept of multiple event loop threads, allowing users to define them. When SMP guests run on SMP hosts it makes sense to instantiate multiple IOThreads. This spreads event loop processing across multiple cores. Note that additional patches are required to actually bind a device to an IOThread. [Andreas Färber <afaerber@suse.de> pointed out that the embedded parent object instance should be called "parent_obj" and have a newline afterwards. This patch has been changed to reflect this. -- Stefan] Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13aio: add aio_context_acquire() and aio_context_release()Stefan Hajnoczi1-0/+18
It can be useful to run an AioContext from a thread which normally does not "own" the AioContext. For example, request draining can be implemented by acquiring the AioContext and looping aio_poll() until all requests have been completed. The following pattern should work: /* Event loop thread */ while (running) { aio_context_acquire(ctx); aio_poll(ctx, true); aio_context_release(ctx); } /* Another thread */ aio_context_acquire(ctx); bdrv_read(bs, 0x1000, buf, 1); aio_context_release(ctx); This patch implements aio_context_acquire() and aio_context_release(). Note that existing aio_poll() callers do not need to worry about acquiring and releasing - it is only needed when multiple threads will call aio_poll() on the same AioContext. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13rfifolock: add recursive FIFO lockStefan Hajnoczi1-0/+54
QemuMutex does not guarantee fairness and cannot be acquired recursively: Fairness means each locker gets a turn and the scheduler cannot cause starvation. Recursive locking is useful for composition, it allows a sequence of locking operations to be invoked atomically by acquiring the lock around them. This patch adds RFifoLock, a recursive lock that guarantees FIFO order. Its first user is added in the next patch. RFifoLock has one additional feature: it can be initialized with an optional contention callback. The callback is invoked whenever a thread must wait for the lock. For example, it can be used to poke the current owner so that they release the lock soon. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13object: add object_get_canonical_path_component()Stefan Hajnoczi1-0/+8
It is often useful to find an object's child property name. Also use this new function to simplify the implementation of object_get_canonical_path(). Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13block: Rewrite the snapshot authorization mechanism for block filters.Benoît Canet2-13/+4
This patch keep the recursive way of doing things but simplify it by giving two responsabilities to all block filters implementors. They will need to do two things: -Set the is_filter field of their block driver to true. -Implement the bdrv_recurse_is_first_non_filter method of their block driver like it is done on the Quorum block driver. (block/quorum.c) [Paolo Bonzini <pbonzini@redhat.com> pointed out that this patch changes the semantics of blkverify, which now recurses down both bs->file and s->test_file. -- Stefan] Reported-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13Merge remote-tracking branch 'remotes/afaerber/tags/ppc-for-2.0' into stagingPeter Maydell6-20/+1
PowerPC queue for 2.0-rc0 * QEMUMachine include cleanup * SLOF update * XICS reset fix * sPAPR PCI host bridge refactorings # gpg: Signature made Thu 13 Mar 2014 02:50:51 GMT using RSA key ID 3E7E013F # gpg: Good signature from "Andreas Färber <afaerber@suse.de>" # gpg: aka "Andreas Färber <afaerber@suse.com>" * remotes/afaerber/tags/ppc-for-2.0: spapr-pci: Convert fprintf() to error_report() spapr-pci: Convert to QOM realize xics-kvm: Fix reset function pseries: Update SLOF firmware image to qemu-slof-20140304 Move QEMUMachine typedef to qemu/typedefs.h Revert "KVM: Split QEMUMachine typedef into separate header" Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-13Move QEMUMachine typedef to qemu/typedefs.hAndreas Färber2-2/+1
As reported in commit 9c06a1f79f959fffd09bfb7efc3d76051a6cd2da, xen.h is not self-contained with regards to its use of QEMUMachine. Fix this. Reported-by: Alexander Graf <agraf@suse.de> Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13Revert "KVM: Split QEMUMachine typedef into separate header"Andreas Färber5-20/+2
This reverts commit 9c06a1f79f959fffd09bfb7efc3d76051a6cd2da. The new header sysemu/qemumachine.h is undesired. Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13qdev: Prepare realize/unrealize hooks for BusStateBandan Das1-0/+6
Add a "realized" property calling realize/unrealize hooks as for devices. Signed-off-by: Bandan Das <bsd@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13virtio-serial-port: Convert to QOM realize/unrealizeAndreas Färber1-4/+4
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-12hw/boards: Convert current_machine to MachineStateMarcel Apfelbaum1-3/+3
In order to allow attaching machine options to a machine instance, current_machine is converted into MachineState. As a first step of deprecating QEMUMachine, some of the functions were modified to return MachineClass. Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-12vl: Use MachineClass instead of global QEMUMachine listMarcel Apfelbaum1-0/+1
The machine registration flow is refactored to use the QOM functionality. Instead of linking the machines into a list, each machine has a type and the types can be traversed in the QOM way. Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-12hw/core: Introduce QEMU machine as QOM objectMarcel Apfelbaum1-0/+50
The main functional change is to convert QEMUMachine into MachineClass and QEMUMachineInitArgs into MachineState, instance of MachineClass. As a first step, in order to make possible an incremental development, both QEMUMachine and QEMUMachineInitArgs are being embedded into the new types. Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-12ssi: Remove SSI_SLAVE_FROM_QDEV() macroPeter Crosthwaite1-2/+1
There are no usages left of this legacy cast. Delete. Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> [AF: Rename SSISlave parent field] Signed-off-by: Andreas Färber <afaerber@suse.de> ssi: Rename parent field
2014-03-12Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into stagingPeter Maydell1-1/+1
* remotes/qmp-unstable/queue/qmp: tests: test-qmp-commands: Fix double free qapi script: do not add "_" for every capitalized char in enum qapi script: do not allow string discriminator qapi: convert BlockdevOptions to use enum discriminator qapi script: support enum type as discriminator in union qapi script: use same function to generate enum string qapi script: code move for generate_enum_name() qapi script: check correctness of union qapi script: remember line number in schema parsing qapi script: add check for duplicated key qapi script: remember explicitly defined enum values Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-11Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell3-16/+18
acpi,pc,test bug fixes More small fixes: the issues annoy developers so I thought they are worth fixing quickly. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Tue 11 Mar 2014 11:27:44 GMT using RSA key ID D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" # 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: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: acpi-test: update expected SSDT files acpi-build: don't access unaligned addresses q35: Correct typo BRDIGE -> BRIDGE configure: don't modify .status on error pc: avoid duplicate names for ROM MRs loader: rename in_ram/has_mr Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-11Merge remote-tracking branch ↵Peter Maydell1-0/+1
'remotes/pmaydell/tags/pull-target-arm-20140310' into staging target-arm queue: * implement WFE as yield (improves performance with emulated SMP) * fixes to avoid undefined behaviour shifting left into sign bit * libvixl format string fixes for 32 bit hosts * fix build error when intptr_t and tcg_target_long are different sizes (eg x32) * implement PMCCNTR register * fix incorrect setting of E bit in CPSR (broke booting under KVM on ARM) # gpg: Signature made Mon 10 Mar 2014 15:05:25 GMT using RSA key ID 14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" * remotes/pmaydell/tags/pull-target-arm-20140310: target-arm: Implement WFE as a yield operation hw/arm/musicpal: Avoid shifting left into sign bit hw/ssi/xilinx_spips.c: Avoid shifting left into sign bit hw/arm/omap1.c: Avoid shifting left into sign bit pxa2xx: Don't shift into sign bit libvixl: Fix format strings for several int64_t values target-arm: Fix intptr_t vs tcg_target_long target-arm: Implements the ARM PMCCNTR register target-arm: Fix incorrect setting of E bit in CPSR Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-11qapi script: do not add "_" for every capitalized char in enumWenchao Xia1-1/+1
Now "enum AIOContext" will generate AIO_CONTEXT instead of A_I_O_CONTEXT, "X86CPU" will generate X86_CPU instead of X86_C_P_U. Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-03-11q35: Correct typo BRDIGE -> BRIDGEBALATON Zoltan2-13/+13
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-03-11pc: avoid duplicate names for ROM MRsMichael S. Tsirkin1-2/+4
Since commit 04920fc0faa4760f9c4fc0e73b992b768099be70 loader: store FW CFG ROM files in RAM RAM MRs including ROM files in FW CFGs are created and named using the file basename. This becomes problematic if these names are supplied by user, since the basename might not be unique. There are two cases we care about: - option-rom flag. - option ROM for devices. This triggers e.g. when using rombar=0. At the moment we get an assert. E.g qemu -option-rom /usr/share/ipxe/8086100e.rom -option-rom /usr/share/ipxe.efi/8086100e.rom RAMBlock "/rom@genroms/8086100e.rom" already registered, abort! This is a regression from 1.6. For now let's keep it simple and just avoid creating the MRs in case of option ROMs. when using 1.7 machine types, enable option ROMs in RAM to match that version. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-03-10target-arm: Implement WFE as a yield operationPeter Maydell1-0/+1
Implement WFE to yield our timeslice to the next CPU. This avoids slowdowns in multicore configurations caused by one core busy-waiting on a spinlock which can't possibly be unlocked until the other core has an opportunity to run. This speeds up my test case A15 dual-core boot by a factor of three (though it is still four or five times slower than a single-core boot). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393339545-22111-1-git-send-email-peter.maydell@linaro.org Reviewed-by: Richard Henderson <rth@twiddle.net> Tested-by: Rob Herring <rob.herring@linaro.org>
2014-03-09loader: rename in_ram/has_mrMichael S. Tsirkin1-1/+1
we put copy of ROMs in MR for migration. but the name rom_in_ram makes one think we load it in guest RAM. Rename has_mr to make intent clearer. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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