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2013-07-26Merge remote-tracking branch 'afaerber/tags/qom-cpu-for-anthony' into stagingAnthony Liguori
QOM CPUState refactorings * Fix cpu_memory_rw_debug() breakage in s390x KVM * Replace final CPUArchState in sysemu/kvm.h * Introduce model subclasses for XtensaCPU * Introduce CPUClass::gdb_num[_core]_regs * Introduce CPUClass::gdb_core_xml_file * Introduce CPUClass::gdb_{read,write}_register() * Propagate CPUState further in gdbstub # gpg: Signature made Fri 26 Jul 2013 05:04:28 PM CDT using RSA key ID 3E7E013F # gpg: Can't check signature: public key not found # By Andreas Färber (23) and others # Via Andreas Färber * afaerber/tags/qom-cpu-for-anthony: (25 commits) cpu: Introduce CPUClass::gdb_core_xml_file for GDB_CORE_XML target-cris: Factor out CPUClass::gdb_read_register() hook for v10 cpu: Introduce CPUClass::gdb_{read,write}_register() gdbstub: Replace GET_REG*() macros with gdb_get_reg*() functions target-xtensa: Move cpu_gdb_{read,write}_register() target-lm32: Move cpu_gdb_{read,write}_register() target-s390x: Move cpu_gdb_{read,write}_register() target-alpha: Move cpu_gdb_{read,write}_register() target-cris: Move cpu_gdb_{read,write}_register() target-microblaze: Move cpu_gdb_{read,write}_register() target-sh4: Move cpu_gdb_{read,write}_register() target-openrisc: Move cpu_gdb_{read,write}_register() target-mips: Move cpu_gdb_{read,write}_register() target-m68k: Move cpu_gdb_{read,write}_register() target-arm: Move cpu_gdb_{read,write}_register() target-sparc: Move cpu_gdb_{read,write}_register() target-ppc: Move cpu_gdb_{read,write}_register() target-i386: Move cpu_gdb_{read,write}_register() cpu: Introduce CPUState::gdb_num_regs and CPUClass::gdb_num_core_regs gdbstub: Drop dead code in cpu_gdb_{read,write}_register() ...
2013-07-27cpu: Introduce CPUClass::gdb_core_xml_file for GDB_CORE_XMLAndreas Färber
Replace the GDB_CORE_XML define in gdbstub.c with a CPUClass field. Use first_cpu for qSupported and qXfer:features:read: for now. Add a stub for xml_builtin. Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-27target-cris: Factor out CPUClass::gdb_read_register() hook for v10Andreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-27cpu: Introduce CPUClass::gdb_{read,write}_register()Andreas Färber
Completes migration of target-specific code to new target-*/gdbstub.c. Acked-by: Michael Walle <michael@walle.cc> (for lm32) Acked-by: Max Filippov <jcmvbkbc@gmail.com> (for xtensa) Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-27gdbstub: Replace GET_REG*() macros with gdb_get_reg*() functionsAndreas Färber
This avoids polluting the global namespace with a non-prefixed macro and makes it obvious in the call sites that we return. Semi-automatic conversion using, e.g., sed -i 's/GET_REGL(/return gdb_get_regl(mem_buf, /g' target-*/gdbstub.c followed by manual tweaking for sparc's GET_REGA() and Coding Style. Acked-by: Michael Walle <michael@walle.cc> (for lm32) Acked-by: Max Filippov <jcmvbkbc@gmail.com> (for xtensa) Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-27target-xtensa: Move cpu_gdb_{read,write}_register()Andreas Färber
Acked-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-27target-lm32: Move cpu_gdb_{read,write}_register()Andreas Färber
Acked-by: Michael Walle <michael@walle.cc> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-27target-s390x: Move cpu_gdb_{read,write}_register()Andreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-27target-alpha: Move cpu_gdb_{read,write}_register()Andreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-27target-cris: Move cpu_gdb_{read,write}_register()Andreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-27target-microblaze: Move cpu_gdb_{read,write}_register()Andreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-27target-sh4: Move cpu_gdb_{read,write}_register()Andreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-27target-openrisc: Move cpu_gdb_{read,write}_register()Andreas Färber
Reviewed-by: Jia Liu <proljc@gmail.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-26sun4m: add display width and height to the firmware configurationMark Cave-Ayland
Currently the graphics resolution for TCX is fixed at 1024x768, however other framebuffers are capable of supporting additional resolutions. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> CC: Anthony Liguori <aliguori@us.ibm.com> CC: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-26Merge remote-tracking branch 'kwolf/for-anthony' into stagingAnthony Liguori
# By Kevin Wolf (16) and Ian Main (2) # Via Kevin Wolf * kwolf/for-anthony: Add tests for sync modes 'TOP' and 'NONE' Implement sync modes for drive-backup. Implement qdict_flatten() blockdev: Split up 'cache' option blockdev: Rename 'readonly' option to 'read-only' qcow2: Use dashes instead of underscores in options blockdev: Rename I/O throttling options for QMP QemuOpts: Add qemu_opt_unset() block: Allow "driver" option on the top level qapi: Anonymous unions qapi.py: Maintain a list of union types qapi: Add consume argument to qmp_input_get_object() qapi: Flat unions with arbitrary discriminator qapi: Add visitor for implicit structs docs: Document QAPI union types qapi-visit.py: Implement 'base' for unions qapi-visit.py: Split off generate_visit_struct_fields() qapi-types.py: Implement 'base' for unions Message-id: 1374870032-31672-1-git-send-email-kwolf@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-26seccomp: removing unused syscalls gtom whitelistEduardo Otubo
v3 update: - reincluding getrlimit(), it is used by Xen. v2 update: - reincluding setrlimit(), it is used by Xen. Signed-off-by: Eduardo Otubo <otubo@linux.vnet.ibm.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1374518017-10424-3-git-send-email-otubo@linux.vnet.ibm.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-26seccomp: no need to check arch in syscall whitelistEduardo Otubo
v2 update: - set libseccomp 2.1.0 as requirement on configure script. Since libseccomp 2.0 there's no need to check the architecture type anymore. Signed-off-by: Eduardo Otubo <otubo@linux.vnet.ibm.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1374518017-10424-2-git-send-email-otubo@linux.vnet.ibm.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-26target-mips: Move cpu_gdb_{read,write}_register()Andreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-26target-m68k: Move cpu_gdb_{read,write}_register()Andreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-26target-arm: Move cpu_gdb_{read,write}_register()Andreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-26target-sparc: Move cpu_gdb_{read,write}_register()Andreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-26target-ppc: Move cpu_gdb_{read,write}_register()Andreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-26target-i386: Move cpu_gdb_{read,write}_register()Andreas Färber
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-26cpu: Introduce CPUState::gdb_num_regs and CPUClass::gdb_num_core_regsAndreas Färber
CPUState::gdb_num_regs replaces num_g_regs. CPUClass::gdb_num_core_regs replaces NUM_CORE_REGS. Allows building gdb_register_coprocessor() for xtensa, too. As a side effect this should fix coprocessor register numbering for SMP. Acked-by: Michael Walle <michael@walle.cc> (for lm32) Acked-by: Max Filippov <jcmvbkbc@gmail.com> (for xtensa) Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-26gdbstub: Drop dead code in cpu_gdb_{read,write}_register()Andreas Färber
GET_REG*() macros include a return statement, thus no need for break. Acked-by: Michael Walle <michael@walle.cc> (for lm32) Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-26gdbstub: Fix cpu_gdb_{read,write}_register() Coding StyleAndreas Färber
Add braces, replace tabs, remove trailing whitespace, drop space before parenthesis and place break etc. below case statements. Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-26target-xtensa: Introduce XtensaCPU subclassesAndreas Färber
Register a CPU type per core registered. Save the XtensaConfig in XtensaCPUClass and copy it from there to CPUXtensaState, to avoid touching every env->config access for now. Prepares for storing per-class GDB register count. Acked-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-26target-s390x: Fix CPUState rework falloutChristian Borntraeger
Commit f17ec444c3d39f76bcd8b71c2c05d5754bfe333e exec: Change cpu_memory_rw_debug() argument to CPUState missed to update s390x KVM code, breaking the build. Let's fix it up. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-26kvm: Change prototype of kvm_update_guest_debug()Stefan Weil
Passing a CPUState pointer instead of a CPUArchState pointer eliminates the last target dependent data type in sysemu/kvm.h. It also simplifies the code. Signed-off-by: Stefan Weil <sw@weilnetz.de> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-26linux-user: Avoid redundant ENV_GET_CPU()Andreas Färber
This fixes a mismerge in 874ec3c5b3821bb964f9f37b2f930f2a9ce51652. Acked-by: Riku Voipio <riku.voipio@iki.fi> Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-26Add tests for sync modes 'TOP' and 'NONE'Ian Main
This patch adds tests for sync modes top and none. Test for 'TOP' is separated out as it requires a backing file. Also added a test for invalid format. Signed-off-by: Ian Main <imain@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-07-26Implement sync modes for drive-backup.Ian Main
This patch adds sync-modes to the drive-backup interface and implements the FULL, NONE and TOP modes of synchronization. FULL performs as before copying the entire contents of the drive while preserving the point-in-time using CoW. NONE only copies new writes to the target drive. TOP copies changes to the topmost drive image and preserves the point-in-time using CoW. For sync mode TOP are creating a new target image using the same backing file as the original disk image. Then any new data that has been laid on top of it since creation is copied in the main backup_run() loop. There is an extra check in the 'TOP' case so that we don't bother to copy all the data of the backing file as it already exists in the target. This is where the bdrv_co_is_allocated() is used to determine if the data exists in the topmost layer or below. Also any new data being written is intercepted via the write_notifier hook which ends up calling backup_do_cow() to copy old data out before it gets overwritten. For mode 'NONE' we create the new target image and only copy in the original data from the disk image starting from the time the call was made. This preserves the point in time data by only copying the parts that are *going to change* to the target image. This way we can reconstruct the final image by checking to see if the given block exists in the new target image first, and if it does not, you can get it from the original image. This is basically an optimization allowing you to do point-in-time snapshots with low overhead vs the 'FULL' version. Since there is no old data to copy out the loop in backup_run() for the NONE case just calls qemu_coroutine_yield() which only wakes up after an event (usually cancel in this case). The rest is handled by the before_write notifier which again calls backup_do_cow() to write out the old data so it can be preserved. Signed-off-by: Ian Main <imain@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2013-07-26Implement qdict_flatten()Kevin Wolf
qdict_flatten(): For each nested QDict with key x, all fields with key y are moved to this QDict and their key is renamed to "x.y". This operation is applied recursively for nested QDicts. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26blockdev: Split up 'cache' optionKevin Wolf
The old 'cache' option really encodes three different boolean flags into a cache mode name, without providing all combinations. Make them three separate options instead and translate the old option to the new ones for drive_init(). The specific boolean options take precedence if the old cache option is specified as well, so the following options are equivalent: -drive file=x,cache=none,cache.no-flush=true -drive file=x,cache.writeback=true,cache.direct=true,cache.no-flush=true Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26blockdev: Rename 'readonly' option to 'read-only'Kevin Wolf
Option name cleanup before it becomes a QMP API. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26qcow2: Use dashes instead of underscores in optionsKevin Wolf
This is what QMP wants to use. The options haven't been enabled in any release yet, so we're still free to change them. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26blockdev: Rename I/O throttling options for QMPKevin Wolf
In QMP, we want to use dashes instead of underscores in QMP argument names, and use nested options for throttling. The new option names affect the command line as well, but for compatibility drive_init() will convert the old option names before calling into the code that will be shared between -drive and blockdev-add. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26QemuOpts: Add qemu_opt_unset()Kevin Wolf
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26block: Allow "driver" option on the top levelKevin Wolf
This is traditionally -drive format=..., which is now translated into the new driver option. This gives us a more consistent way to select the driver of BlockDriverStates that can be used in QMP context, too. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26qapi: Anonymous unionsKevin Wolf
The discriminator for anonymous unions is the data type. This allows to have a union type that allows both of these: { 'file': 'my_existing_block_device_id' } { 'file': { 'filename': '/tmp/mydisk.qcow2', 'read-only': true } } Unions like this are specified in the schema with an empty dict as discriminator. For this example you could take: { 'union': 'BlockRef', 'discriminator': {}, 'data': { 'definition': 'BlockOptions', 'reference': 'str' } } { 'type': 'ExampleObject', 'data: { 'file': 'BlockRef' } } Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26qapi.py: Maintain a list of union typesKevin Wolf
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26qapi: Add consume argument to qmp_input_get_object()Kevin Wolf
This allows to just look at the next element without actually consuming it. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26qapi: Flat unions with arbitrary discriminatorKevin Wolf
Instead of the rather verbose syntax that distinguishes base and subclass fields... { "type": "file", "read-only": true, "data": { "filename": "test" } } ...we can now have both in the same namespace, allowing a more direct mapping of the command line, and moving fields between the common base and subclasses without breaking the API: { "driver": "file", "read-only": true, "filename": "test" } Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26qapi: Add visitor for implicit structsKevin Wolf
These can be used when an embedded struct is parsed and members not belonging to the struct may be present in the input (e.g. parsing a flat namespace QMP union, where fields from both the base and one of the alternative types are mixed in the JSON object) Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26docs: Document QAPI union typesKevin Wolf
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26qapi-visit.py: Implement 'base' for unionsKevin Wolf
This implements the visitor part of base types for unions. Parsed into QMP, this example schema definition... { 'type': 'BlockOptionsBase', 'data': { 'read-only': 'bool' } } { 'type': 'BlockOptionsQcow2, 'data': { 'lazy-refcounts': 'bool' } } { 'union': 'BlockOptions', 'base': 'BlockOptionsBase', 'data': { 'raw': 'BlockOptionsRaw' 'qcow2': 'BlockOptionsQcow2' } } ...would describe the following JSON object: { "type": "qcow2", "read-only": true, "data": { "lazy-refcounts": false } } Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26qapi-visit.py: Split off generate_visit_struct_fields()Kevin Wolf
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26qapi-types.py: Implement 'base' for unionsKevin Wolf
The new 'base' key in a union definition refers to a struct type, which is inlined into the union definition and can represent fields common to all kinds. For example the following schema definition... { 'type': 'BlockOptionsBase', 'data': { 'read-only': 'bool' } } { 'union': 'BlockOptions', 'base': 'BlockOptionsBase', 'data': { 'raw': 'BlockOptionsRaw' 'qcow2': 'BlockOptionsQcow2' } } ...would result in this generated C struct: struct BlockOptions { BlockOptionsKind kind; union { void *data; BlockOptionsRaw * raw; BlockOptionsQcow2 * qcow2; }; bool read_only; }; Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26Merge remote-tracking branch 'rth/tcg-next' into stagingAnthony Liguori
# By Claudio Fontana (1) and others # Via Richard Henderson * rth/tcg-next: tcg: Remove temp_buf tcg/aarch64: Implement tlb lookup fast path tcg/aarch64: implement ldst 12bit scaled uimm offset Message-id: 1373919944-8521-1-git-send-email-rth@twiddle.net Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-26Merge remote-tracking branch 'jliu/or32' into stagingAnthony Liguori
# By Jia Liu # Via Jia Liu * jliu/or32: target-openrisc: Free typename in openrisc_cpu_class_by_name hw/openrisc: Use stderr output instead of qemu_log hw/openrisc: Indent typo Message-id: 1374576458-22808-1-git-send-email-proljc@gmail.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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