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2014-03-13cpu-exec: Change cpu_loop_exit() argument to CPUStateAndreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13exec: Change tlb_fill() argument to CPUStateAndreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move breakpoints field from CPU_COMMON to CPUStateAndreas Färber
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 Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move opaque field from CPU_COMMON to CPUStateAndreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move exception_index field from CPU_COMMON to CPUStateAndreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move jmp_env field from CPU_COMMON to CPUStateAndreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move tb_jmp_cache field from CPU_COMMON to CPUStateAndreas Färber
Clear it on reset. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move icount_decr field from CPU_COMMON to CPUStateAndreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move icount_extra field from CPU_COMMON to CPUStateAndreas Färber
Reset it. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Move can_do_io field from CPU_COMMON to CPUStateAndreas Färber
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 Färber
Reset them. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Turn cpu_handle_mmu_fault() into a CPUClass hookAndreas Färber
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>
2014-03-13target-m68k: Remove custom qemu_assert() functionPeter Maydell
Remove the custom qemu_assert() function defined by target-m68k/translate.c in favour of either using glib g_assert_not_reached() (for the genuinely can't-happen cases) or cpu_abort() (for the "this isn't implemented", in line with other unimplemented cases in the target). This has the benefit of silencing some clang warnings about variables used while uninitialized (which are emitted because clang can't figure out that qemu_assert(0, something) never returns. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Factor out cpu_generic_init()Andreas Färber
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: Implement CPUClass::parse_features() for the rest of CPUsAndreas Färber
CPUs who do not provide their own implementation of feature parsing will treat each option as a QOM property and set it to the supplied value. Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-sparc: Defer SPARCCPU feature inference to QOM realizeAndreas Färber
Gets it out of cpu_sparc_register() and aligns with target-arm. Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-sparc: Implement CPUClass::parse_features() for SPARCCPUAndreas Färber
Factor cpu_model parsing out of cpu_sparc_find_by_name() by passing cpu_sparc_find_by_name() the name portion only and calling CPUClass::parse_features() from cpu_sparc_register() afterwards. Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-sparc: Use error_report() for CPU error reportingAndreas Färber
Replace non-debug fprintf() with error_report(). Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Introduce CPUClass::parse_features() hookAndreas Färber
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>
2014-03-13target-i386: X86CPU model subclassesEduardo Habkost
Register separate QOM types for each x86 CPU model. This will allow management code to more easily probe what each CPU model provides, by simply creating objects using the appropriate class name, without having to restart QEMU. This also allows us to eliminate the qdev_prop_set_globals_for_type() hack to set CPU-model-specific global properties. Instead of creating separate class_init functions for each class, I just used class_data to store a pointer to the X86CPUDefinition struct for each CPU model. This should make the patch shorter and easier to review. Later we can gradually convert each X86CPUDefinition field to lists of per-class property defaults. The "host" CPU model is special, as the feature flags depend on KVM being initialized. So it has its own class_init and instance_init function, and feature flags are set on instance_init instead of class_init. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Tested-by: Eduardo Habkost <ehabkost@redhat.com> [AF: Limit the host CPU type to CONFIG_KVM as build fix] Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-i386: Prepare CPUClass::class_by_name for X86CPUAndreas Färber
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Tested-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-i386: Enable x2apic by default on KVMEduardo Habkost
When on KVM mode, enable x2apic by default on all CPU models. Normally we try to keep the CPU model definitions as close as the real CPUs as possible, but x2apic can be emulated by KVM without host CPU support for x2apic, and it improves performance by reducing APIC access overhead. x2apic emulation is available on KVM since 2009 (Linux 2.6.32-rc1), there's no reason for not enabling x2apic by default when running KVM. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-i386: Introduce x86_cpu_compat_disable_kvm_features()Eduardo Habkost
Instead of the feature-specific disable_kvm_pv_eoi() function, create a more general function that can be used to disable other feature bits in machine-type compat code. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-i386: Make kvm_default_features an arrayEduardo Habkost
We will later make the KVM-specific code affect other feature words, too. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-i386: Don't declare variables in the middle of blocksEduardo Habkost
Some of my recent changes introduced variable declarations in the middle of code blocks. Fix the code so that it compiles without warnings when using -Wdeclaration-after-statement. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-i386: Rename x86_def_t to X86CPUDefinitionEduardo Habkost
As the new X86CPU subclass code is going to change lots of the code invoving x86_def_t, let's rename the struct to match coding style first. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-i386: Call x86_cpu_load_def() earlierEduardo Habkost
As we will initialize the X86CPU fields on instance_init eventually, move the code that initializes the X86CPU data based on the CPU model name closer to the object_new() call. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-i386: Rename cpu_x86_register() to x86_cpu_load_def()Eduardo Habkost
There isn't any kind of "registration" involved in cpu_x86_register() anymore: it is simply looking up a CPU model name and loading the model definition data into the X86CPU object. Rename it to x86_cpu_load_def() to reflect what it does. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Turn cpu_has_work() into a CPUClass hookAndreas Färber
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>
2014-03-13target-xtensa: Clean up ENV_GET_CPU() usageAndreas Färber
Commits a00817cc4c18b7872e92765a4736fb2227cc237b and fdfba1a298ae26dd44bcfdb0429314139a0bc55a added usages of ENV_GET_CPU() macro in target-specific code. Use xtensa_env_get_cpu() instead. Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-unicore32: Clean up ENV_GET_CPU() usageAndreas Färber
Commit fdfba1a298ae26dd44bcfdb0429314139a0bc55a added a usage of ENV_GET_CPU() macro in target-specific code. Use uc32_env_get_cpu() instead. Cc: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-sparc: Clean up ENV_GET_CPU() usageAndreas Färber
Commits fdfba1a298ae26dd44bcfdb0429314139a0bc55a, 2c17449b3022ca9623c4a7e2a504a4150ac4ad30 and f606604f1c10b60ef294f1b9b229426521a365e3 added usages of ENV_GET_CPU() macro in target-specific code. Use sparc_env_get_cpu() instead and reuse the variables. Cc: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-s390x: Clean up ENV_GET_CPU() usageAndreas Färber
Commits f606604f1c10b60ef294f1b9b229426521a365e3, 2c17449b3022ca9623c4a7e2a504a4150ac4ad30 and 5ce5944dc0ffdc43c11b5cad11e526f699aabe4c added usages of ENV_GET_CPU() macro in target-specific code. Use s390_env_get_cpu() instead. Cc: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-ppc: Clean up ENV_GET_CPU() usageAndreas Färber
Commits fdfba1a298ae26dd44bcfdb0429314139a0bc55a, ab1da85791340e504d10487e1add81b9988afa98, f606604f1c10b60ef294f1b9b229426521a365e3 and 2c17449b3022ca9623c4a7e2a504a4150ac4ad30 added usages of ENV_GET_CPU() macro in target-specific code. Use ppc_env_get_cpu() instead. Cc: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-i386: Clean up ENV_GET_CPU() usageAndreas Färber
Commits fdfba1a298ae26dd44bcfdb0429314139a0bc55a, f606604f1c10b60ef294f1b9b229426521a365e3 and 2c17449b3022ca9623c4a7e2a504a4150ac4ad30 added usages of ENV_GET_CPU() macro in target-specific code. Use x86_env_get_cpu() or reuse existing X86CPU variable instead. Cc: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-arm: Clean up ENV_GET_CPU() usageAndreas Färber
Commits ab1da85791340e504d10487e1add81b9988afa98, fdfba1a298ae26dd44bcfdb0429314139a0bc55a, 2c17449b3022ca9623c4a7e2a504a4150ac4ad30 added usages of ENV_GET_CPU() macro to target-specific code. Use arm_env_get_cpu() instead and enforce separating variable declarations. Cc: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13target-alpha: Clean up ENV_GET_CPU() usageAndreas Färber
Commits 2c17449b3022ca9623c4a7e2a504a4150ac4ad30, fdfba1a298ae26dd44bcfdb0429314139a0bc55a, ab1da85791340e504d10487e1add81b9988afa98 and f606604f1c10b60ef294f1b9b229426521a365e3 added usages of ENV_GET_CPU() macro in target-specific code. Use alpha_env_get_cpu() instead. Cc: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Cc: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13cpu: Don't clear cpu->exit_request on resetEdgar E. Iglesias
cpu->exit_request is part of the execution environment and should not be cleared when a CPU resets. Otherwise, we might deadlock QEMU if a CPU resets while there is I/O going on. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-03-13Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into ↵Peter Maydell
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>
2014-03-13oslib-posix: Fix build on FreeBSDAndreas Färber
Commit 10f5bff622cad71645e22c027b77ac31e51008ef (util: Split out exec_dir from os_find_datadir) moved code from os-posix.c to util/oslib-posix.c but forgot to move a FreeBSD #include alongside, needed for CTL_KERN among others. Cc: Fam Zheng <famz@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <andreas.faerber@web.de> Message-id: 1394717279-23406-1-git-send-email-andreas.faerber@web.de Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-13block/raw-win32: bdrv_parse_filename() for hdevMax Reitz
The "host_device" protocol driver should strip the "host_device:" prefix from filenames if present. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13block/raw-posix: Strip protocol prefix on creationMax Reitz
The hdev_create() implementation in block/raw-posix.c is used by the "host_device", "host_cdrom" and "host_floppy" protocol block drivers together. Thus, any of the associated prefixes may occur and exactly one should should be stripped, if it does (thus, "host_device:host_cdrom:/dev/cdrom" is not shortened to "/dev/cdrom"). Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13block/raw-posix: bdrv_parse_filename() for cdromMax Reitz
The "host_cdrom" protocol drivers should strip the "host_cdrom:" prefix from filenames if present. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13block/raw-posix: bdrv_parse_filename() for floppyMax Reitz
The "host_floppy" protocol driver should strip the "host_floppy:" prefix from filenames if present. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13block/raw-posix: bdrv_parse_filename() for hdevMax Reitz
The "host_device" protocol driver should strip the "host_device:" prefix from filenames if present. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13qemu-io: Fix warnings from static code analysisStefan Weil
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>
2014-03-13block: Unlink temporary fileMax Reitz
If the image file cannot be opened and was created as a temporary file, it should be deleted; thus, in this case, we should jump to the "unlink_and_fail" label and not just to "fail". Reported-by: Benoît Canet <benoit@irqsave.net> Signed-off-by: Max Reitz <mreitz@redhat.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13qcow2: Don't write with BDRV_O_INCOMINGKevin Wolf
qcow2_open() causes writes when repairing an image with the dirty flag set and when clearing autoclear flags. It shouldn't do this when another qemu instance is still actively working on this image file. One effect of the bug is that images may have a cleared dirty flag while the migration source host still has it in use with lazy refcounts enabled, so refcounts are not accurate and the dirty flag must remain set. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-03-13qcow2: Keep option in qcow2_invalidate_cache()Kevin Wolf
Instead of manually building a list of all options from BDRVQcowState values just reuse the options that were used to open the image. qcow2_open() won't fully use all of the options in the QDict, but that's okay. This fixes all of the driver-specific options in qcow2, except for lazy-refcounts, which was special cased before. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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