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2012-02-09block: add .bdrv_co_write_zeroes() interfaceStefan Hajnoczi
The ability to zero regions of an image file is a useful primitive for higher-level features such as image streaming or zero write detection. Image formats may support an optimized metadata representation instead of writing zeroes into the image file. This allows zero writes to be potentially faster than regular write operations and also preserve sparseness of the image file. The .bdrv_co_write_zeroes() interface should be implemented by block drivers that wish to provide efficient zeroing. Note that this operation is different from the discard operation, which may leave the contents of the region indeterminate. That means discarded blocks are not guaranteed to contain zeroes and may contain junk data instead. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-02-09cutils: extract buffer_is_zero() from qemu-img.cStefan Hajnoczi
The qemu-img.c:is_not_zero() function checks if a buffer contains all zeroes. This function will come in handy for zero-detection in the block layer, so clean it up and move it to cutils.c. Note that the function now returns true if the buffer is all zeroes. This avoids the double-negatives (i.e. !is_not_zero()) that the old function can cause in callers. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-02-09ARM devboards: Set arm_sysctl properties before init, not afterPeter Maydell
The ARM devboard models (vexpress-a9, realview, versatilepb, etc) were accidentally trying to set one of the arm_sysctl properties after device init. This has now become a fatal error; set the property before device init where it should be done instead. Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2012-02-08Merge remote-tracking branch 'bonzini/qdev-props-for-anthony' into stagingAnthony Liguori
* bonzini/qdev-props-for-anthony: (25 commits) qdev: remove unused fields from PropertyInfo qdev: initialize properties via QOM qdev: inline qdev_prop_set into qdev_prop_set_ptr qdev: access properties via QOM qdev: fix off-by-one qdev: let QOM free properties qdev: remove parse/print methods for pointer properties qdev: make the non-legacy pci address property accept an integer qdev: remove parse/print methods for mac properties qdev: remove print/parse methods from LostTickPolicy properties qdev: remove parse method for string properties qdev: allow reusing get/set for legacy property qdev: remove direct calls to print/parse qom: add property get/set wrappers for links qom: fix canonical paths vs. interfaces qom: use object_resolve_path_type for links qom: add object_resolve_path_type qom: fix off-by-one qom: add property get/set wrappers for C types qom: add QObject-based property get/set wrappers ...
2012-02-08Merge remote-tracking branch 'aneesh/for-upstream' into stagingAnthony Liguori
* aneesh/for-upstream: hw/9pfs: Remove O_NOATIME flag from 9pfs open() calls in readonly mode hw/9pfs: Update MAINTAINERS file fsdev: Fix parameter parsing for proxy helper hw/9pfs: Fix crash when mounting with synthfs hw/9pfs: Preserve S_ISGID hw/9pfs: Add new security model mapped-file.
2012-02-08Merge remote-tracking branch 'sweil/w32' into stagingAnthony Liguori
* sweil/w32: w32: Initialise critical section before starting thread (fix #922131) w32: Build windows and console executables
2012-02-07Restore consistent formattingmalc
Signed-off-by: malc <av1474@comtv.ru>
2012-02-07w32: Initialise critical section before starting thread (fix #922131)Stefan Weil
This patch was contributed by Bogdan Harjoc. I added some assertions. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Weil <sw@weilnetz.de>
2012-02-07w32: Build windows and console executablesStefan Weil
System emulation executables with SDL are typically windows executables. Sometimes console executables are more useful, so create both variants if linker option -mwindows was detected. v2: This version uses QEMU_PROGW / QEMU_PROG instead of QEMU_PROG / QEMU_PROGC. Signed-off-by: Stefan Weil <sw@weilnetz.de>
2012-02-07qdev: remove unused fields from PropertyInfoPaolo Bonzini
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qdev: initialize properties via QOMPaolo Bonzini
Similarly, use the object properties also to set the default values of the qdev properties. This requires reordering registration and initialization. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qdev: inline qdev_prop_set into qdev_prop_set_ptrPaolo Bonzini
qdev_prop_set is not needed anymore except for hacks, simplify it and inline it. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qdev: access properties via QOMPaolo Bonzini
Do not poke anymore in the struct when accessing qdev properties. Instead, ask the object to set the right value. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qdev: fix off-by-onePaolo Bonzini
Integer properties did not work. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qdev: let QOM free propertiesPaolo Bonzini
Drop the special free callback. Instead, register a "regular" release method in the non-legacy property. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qdev: remove parse/print methods for pointer propertiesPaolo Bonzini
Pointer properties (except for PROP_PTR of course) should not need a legacy counterpart. In the future, relative paths will ensure that QEMU will support the same syntax as now for drives etc.. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qdev: make the non-legacy pci address property accept an integerPaolo Bonzini
PCI addresses are set with qdev_prop_uint32. Thus we make the QOM property accept a device and function encoded in an 8-bit integer, instead of the magic dd.f hex string. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qdev: remove parse/print methods for mac propertiesPaolo Bonzini
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qdev: remove print/parse methods from LostTickPolicy propertiesPaolo Bonzini
Also generalize the code so that we can have more enum properties in the future. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qdev: remove parse method for string propertiesPaolo Bonzini
We need the print method to put double quotes, but parsing is not special. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qdev: allow reusing get/set for legacy propertyPaolo Bonzini
In some cases, a legacy property does need a special print method but not a special parse method. In this case, we can reuse the get/set from the static (non-legacy) property. If neither parse nor print is needed, though, do not register the legacy property at all. The previous patch ensures that the right fallback will be used. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qdev: remove direct calls to print/parsePaolo Bonzini
There's no need to call into ->parse and ->print manually. The QOM legacy properties do that for us. Furthermore, in some cases legacy and static properties have exactly the same behavior, and we could drop the legacy properties right away. Add an appropriate fallback to prepare for this. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qom: add property get/set wrappers for linksPaolo Bonzini
These can set a link to any object, as long as it is included in the composition tree. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qom: fix canonical paths vs. interfacesPaolo Bonzini
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qom: use object_resolve_path_type for linksPaolo Bonzini
This allows to restrict partial matches to objects of the expected type. It will let people use bare names to reference drives even though their name might be the same as a device's (e.g. -drive id=hd0,if=none,... -device ...,drive=hd0,id=hd0). As a useful byproduct, this fixes a problem with links of interface type. When a link property's type is an interface, the code expects the implementation object (not the parent object) to be stored in the variable. The parent object does not contain the right vtable. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qom: add object_resolve_path_typePaolo Bonzini
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qom: fix off-by-onePaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qom: add property get/set wrappers for C typesPaolo Bonzini
Add wrappers that let you get/set properties using normal C data types. Reviewed-by: Anthony Liguori <anthony@aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qom: add QObject-based property get/set wrappersPaolo Bonzini
Move the creation of QmpInputVisitor and QmpOutputVisitor from qmp.c to qom/object.c, since it's the only practical way to access object properties. Keep this isolated such that it's easy to remove. At some point, we need to remove all usage of QObject in the tree and replace it with GVariant. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qom: do not include qdev header filePaolo Bonzini
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qom: avoid useless conversions from string to typePaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qom: clean up/optimize object_dynamic_castPaolo Bonzini
The interface loop can be performed only on the parent object. It does not need to be done on each interface. Similarly, we can simplify the code by switching early from the implementation object to the parent object. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qom: more documentation on subclassingPaolo Bonzini
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-07qom: clean up cast macrosPaolo Bonzini
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-06s390x: fix qom-ification fall-outAnthony Liguori
Tested-by: Andreas Faerber <afaerber@suse.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-02-06KVM: Fix breakages of QOM conversionJan Kiszka
KVM APIC and PIC require instance sizes. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-02-06usb-redir: convert to QOMAnthony Liguori
This was missed due to the fact that it's in the top level and it uses 'struct DeviceInfo' instead of 'DeviceInfo' for some strange reason. Tested-by: Benoît Canet <benoit.canet@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-02-04Fix previous commitBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-02-04usb-bsd: convert to QOMAnthony Liguori
Simple enough. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-02-04vga: improve documentationBlue Swirl
Add links to chipset docs and FreeVGA site. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-02-04vga: use constants from vga.hBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-02-04vga.h: remove unused stuff and reformatBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-02-04Add vga.h unmodified from LinuxBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-02-04vga: move Cirrus VGA template to its own fileBlue Swirl
Standard VGA does not use vga_draw_cursor_line_* functions. Move the template to cirrus_vga_template.h. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-02-04memory: change dirty getting API to take a sizeBlue Swirl
Instead of each device knowing or guessing the guest page size, just pass the desired size of dirtied memory area. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-02-04Merge branch 'linux-user-for-upstream' of ↵Blue Swirl
git://git.linaro.org/people/rikuvoipio/qemu * 'linux-user-for-upstream' of git://git.linaro.org/people/rikuvoipio/qemu: linux-user: Fix sa_flags byte swaps for mips linux-user: Define TARGET_QEMU_ESIGRETURN for mips64 linux-user: Define TARGET_QEMU_ESIGRETURN for mipsn32 linux-user: Add default configs for mips64[el] linux-user: Add default-configs for mipsn32[el] linux-user: Implement *listxattr syscalls linux-user/syscall.c: Implement f and l versions of set/get/removexattr linux-user: Allow NULL value pointer in setxattr and getxattr linux-user: fix wait* syscall status returns linux-user/strace.c: Correct errno printing for mmap etc linux-user: fix QEMU_STRACE=1 segfault linux-user: add SO_PEERCRED support for getsockopt linux-user/main.c: Add option to user-mode emulation so that user can specify log file name linux-user: fake /proc/self/auxv linux-user: fake /proc/self/stat linux-user: fake /proc/self/maps linux-user: add open() hijack infrastructure linux-user: save auxv length linux-user: stack_base is now mandatory on all targets
2012-02-04w32: Fix build with new net bridge codeStefan Weil
Commit a7c36ee4920ea3acc227a0248dd161693f207357 added code for a net bridge and explicitly said that "this is very Linux centric". Indeed, compilation failed for w32, so the bridge code is now conditional. Hosts which don't support it can simply remove the definition of CONFIG_NET_BRIDGE. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-02-04Merge branch 'for-upstream' of git://repo.or.cz/qemu/agrafBlue Swirl
* 'for-upstream' of git://repo.or.cz/qemu/agraf: (21 commits) PPC: E500: Populate L1CFG0 SPR PPC: e500mc: Enable processor control PPC: E500: Implement msgsnd PPC: E500: Implement msgclr PPC: Enable doorbell excp handlers PPC: Add CPU feature for processor control PPC: E500: Add doorbell defines PPC: E500: Add some more excp vectors KVM: Fix compilation on non-x86 PPC: booke206: move avail check to tlbwe PPC: booke206: Check for TLB overrun PPC: booke206: Implement tlbilx PPC: booke206: Check for min/max TLB entry size PPC: booke: add tlbnps handling PPC: booke206: allow NULL raddr in ppcmas_tlb_check PPC: rename msync to msync_4xx PPC: e500: msync is 440 only, e500 has real sync PPC: e500mc: add missing IVORs to bitmap PPC: Add IVOR 38-42 PPC: KVM: Update HIOR code to new interface ...
2012-02-03Fix build breakage from last commit.Anthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-02-03s390x: fix -drive in the absence of aliasesAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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