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2011-12-20sysbus: add sysbus_address_space()Avi Kivity
Given a bus device, retrieves the memory address space for its bus. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-12-19sysbus: remove sysbus_init_mmio_cb2Benoît Canet
This function is not longer in use so remove it. Signed-off-by: Benoît Canet <benoit.canet@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-19ppce500_pci: remove sysbus_init_mmio_cb2 usageBenoît Canet
Expose only one container MemoryRegion to sysbus. (Peter Maydell's idea) Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Benoît Canet <benoit.canet@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-19sh_pci: remove sysbus_init_mmio_cb2 usageBenoît Canet
The isa region is not exposed as a sysbus region because the iobr register contains its address and use it to remap dynamically the region. (Peter Maydell's idea) Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Benoît Canet <benoit.canet@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-19qom: register qdev properties also as non-legacy propertiesPaolo Bonzini
Push legacy properties into a "legacy-..." namespace, and make them available with correct types too. For now, all properties come in both variants. This need not be the case for string properties. We will revisit this after -device is changed to actually use the legacy properties. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-19qom: distinguish "legacy" property type name from QOM type namePaolo Bonzini
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-19qom: introduce get/set methods for PropertyPaolo Bonzini
This patch adds a visitor interface to Property. This way, QOM will be able to expose Properties that access a fixed field in a struct without exposing also the everything-is-a-string "feature" of qdev properties. Whenever the printed representation in both QOM and qdev (which is typically the case for device backends), parse/print code can be reused via get_generic/set_generic. Dually, whenever multiple PropertyInfos have the same representation in both the struct and the visitors the code can be reused (for example among all of int32/uint32/hex32). Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-19qom: interpret the return value when setting legacy propertiesPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-19qom: push permission checks up into qdev_property_add_legacyPaolo Bonzini
qdev_property_get and qdev_property_set can generate permission denied errors themselves. Do not duplicate this functionality in qdev_get/set_legacy_property, and clean up excessive indentation. Reviewed-by: Anthony Liguori <anthony@codemonkey.ws> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-19qom: fix swapped parametersPaolo Bonzini
Reviewed-by: Anthony Liguori <anthony@codemonkey.ws> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-19Merge remote-tracking branch 'qemu-kvm/memory/exec-obsolete' into stagingAnthony Liguori
2011-12-19Merge remote-tracking branch 'qemu-kvm/memory/xen' into stagingAnthony Liguori
2011-12-19etraxfs_eth: drop bogus cpu_unregister_io_memory()Avi Kivity
Leftover call to cpu_unregister_io_memory() can segfault on cleanup. Remove. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-12-19memory, xen: pass MemoryRegion to xen_ram_alloc()Avi Kivity
Currently xen_ram_alloc() relies on ram_addr, which is going away. Give it something else to use as a cookie. Signed-off-by: Avi Kivity <avi@redhat.com>
2011-12-19Merge remote-tracking branch 'qemu-kvm/memory/mutators' into stagingAnthony Liguori
Conflicts: memory.h
2011-12-19Merge remote-tracking branch 'stefanha/trivial-patches' into stagingAnthony Liguori
2011-12-19Merge remote-tracking branch 'kwolf/for-anthony' into stagingAnthony Liguori
2011-12-19pc: fix event_idx compatibility for virtio devicesAnthony Liguori
event_idx was introduced in 0.15 and must be disabled for all virtio-pci devices (including virtio-balloon-pci). Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-19Also create piix3 property when Xen is enabledJulian Pidancet
This recently added line in hw/pc_piix.c is causing a SEGV on a Xen setup because the piix3 property is never created: qdev_property_add_child(qdev_resolve_path("/i440fx/piix3", NULL), "rtc", (DeviceState *)rtc_state, NULL); Signed-off-by: Julian Pidancet <julian.pidancet@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-18pc: add pc-0.15Anthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-16stellaris: Calculate system clock period on resetPeter Maydell
Calculate the system clock period on reset; otherwise it remains set to the default value of zero and attempting to use it provokes a hang. This is one of the issues noted in LP:696094. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-16ide: drop argument to dma_buf_commitPaolo Bonzini
The argument is unused and even wrong when the function is called by ide_handle_rw_error. Drop it. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-15usb: fix usb_qdev_init() error handling againStefan Hajnoczi
Commit f462141f18ffdd75847f6459ef83d90b831d12c0 introduced clean up code when usb_qdev_init() fails. Unfortunately it calls .handle_destroy() when .init() was never invoked or failed. This can lead to crashes when .handle_destroy() tries to clean up things that were never initialized. This patch is careful to undo only those steps that completed along the usb_qdev_init() code path. It's not as pretty as the unified error handling in f462141f18ffdd75847f6459ef83d90b831d12c0 but it's necessary. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qdev: add a qdev_get_type() function and expose as a 'type' propertyAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: add string property typeAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: add vga node to the pc composition treeAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: optimize qdev_get_canonical_path using a parent linkAnthony Liguori
The full tree search was a bit unreasonable. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15rtc: add a dynamic property for retrieving the dateAnthony Liguori
This really shows the power of dynamic object properties compared to qdev static properties. This property represents a complex structure who's format is preserved over the wire. This is enabled by visitors. It also shows an entirely synthetic property that is not tied to device state. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15rtc: make piix3 set the rtc as a child (v2)Anthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15dev: add an anonymous peripheral containerAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qdev: add explicitly named devices to the root complexAnthony Liguori
We first add a 'peripheral' container to the root device that we add user created devices to. This provides all user created devices with a unique and isolated namespace. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: add link properties (v2)Anthony Liguori
Links represent an ephemeral relationship between devices. They are meant to replace the qdev concept of busses by allowing more informal relationships between devices. Links are fairly limited in their usefulness without implementing QOM-style subclassing and interfaces. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: add child properties (composition) (v3)Anthony Liguori
Child properties express a relationship of composition. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qdev: provide a path resolution (v2)Anthony Liguori
There are two types of supported paths--absolute paths and partial paths. Absolute paths are derived from the root device and can follow child<> or link<> properties. Since they can follow link<> properties, they can be arbitrarily long. Absolute paths look like absolute filenames and are prefixed with a leading slash. Partial paths are look like relative filenames. They do not begin with a prefix. The matching rules for partial paths are subtle but designed to make specifying devices easy. At each level of the composition tree, the partial path is matched as an absolute path. The first match is not returned. At least two matches are searched for. A successful result is only returned if only one match is founded. If more than one match is found, a flag is returned to indicate that the match was ambiguous. At the end of the day, partial path support means that if you create a device called 'ide0', you can just say 'ide0' as the path name and it will Just Work. If we internally create a device called 'i440fx', you can just say 'i440fx' and it will Just Work and long as you don't do anything silly. A management tool should probably always use absolute paths since then they don't have to deal with the possibility of ambiguity. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qdev: provide an interface to return canonical path from root (v2)Anthony Liguori
The canonical path is the path in the composition tree from the root to the device. This is effectively the name of the device. This is an incredibly unefficient implementation that will be optimized in a future patch. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: introduce root deviceAnthony Liguori
This is based on Jan's suggestion for how to do unique naming. The root device is the root of composition. All devices are reachable via child<> links from this device. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: register legacy properties as new style properties (v2)Anthony Liguori
Expose all legacy properties through the new QOM property mechanism. The qdev property types are exposed through the 'legacy<>' namespace. They are always visited as strings since they do their own string parsing. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: add new dynamic property infrastructure based on Visitors (v2)Anthony Liguori
qdev properties are settable only during construction and static to classes. This isn't flexible enough for QOM. This patch introduces a property interface for qdev that provides dynamic properties that are tied to objects, instead of classes. These properties are Visitor based instead of string based too. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15qom: add a reference count to qdev objectsAnthony Liguori
To ensure that a device isn't removed from the graph until all of its links are broken. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-15block: dma_bdrv_* does not return NULLPaolo Bonzini
Initially attempted with the following semantic patch: @ rule1 @ expression E; statement S; @@ E = ( dma_bdrv_io | dma_bdrv_read | dma_bdrv_write ) (...); ( - if (E == NULL) { ... } | - if (E) { <... S ...> } ) which however did not match anything. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-12-15block: bdrv_aio_* do not return NULLPaolo Bonzini
Initially done with the following semantic patch: @ rule1 @ expression E; statement S; @@ E = ( bdrv_aio_readv | bdrv_aio_writev | bdrv_aio_flush | bdrv_aio_discard | bdrv_aio_ioctl ) (...); ( - if (E == NULL) { ... } | - if (E) { <... S ...> } ) which however missed the occurrence in block/blkverify.c (as it should have done), and left behind some unused variables. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-12-14Merge remote-tracking branch 'stefanha/trivial-patches-next' into stagingAnthony Liguori
2011-12-14hw: Fix spelling in comments and codeStefan Weil
compatiblity->compatibility transfered->transferred transfering->transferring Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-14hw: Fix spelling in commentsStefan Weil
adress->address advertisment->advertisement begining->beginning bondary->boundary controler->controller controll->control convertion->conversion doesnt->doesn't existant->existent instuction->instruction loosing->losing managment->management multipled->multiplied negotation->negotiation runing->running teh->the unchangable->unchangeable writen->written yeild->yield Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-14hw: Fix spelling (licenced->licensed)Stefan Weil
New code introduced old misspellings. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-14fmopl: Fix spelling in code and commentsStefan Weil
algorythm->algorithm rythm->rhythm I did not try to fix the coding standard, so checkpatch.pl reports lots of violations. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-12-12ccid: make threads joinablePaolo Bonzini
Destroying a mutex that another thread might have just unlocked is racy. It usually works, but you cannot do that in general and can lead to deadlocks or segfaults. Change ccid to use joinable threads instead. (Also, qemu_mutex_init/qemu_cond_init were missing). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-12qemu-thread: add API for joinable threadsJan Kiszka
Split from Jan's original qemu-thread-posix.c patch. No semantic change, just introduce the new API that POSIX and Win32 implementations will conform to. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-12syborg: drop support for Symbian Virtual PlatformStefan Hajnoczi
The Symbian Virtual Platform was an ARM-based development and debugging board. Since Symbian has been disbanded and the code is no longer being used it can now be removed. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-12-12QEMUFileCloseFunc: add return value documentation (v2)Eduardo Habkost
qemu_fclose() and QEMUFile->close will return -errno on error, and any positive value on success. We need the positive non-zero success values because migration-exec.c:exec_close() relies on non-zero return values to get the process exit code. Changes v1 -> v2: - Cosmetic spelling change on comment text Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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