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All conditional deallocation can now be done with object_delete.
Remove the @qom_allocated and @glib_allocated fields; replace the latter
with a direct assignment of the @free function pointer.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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target_phys_addr_t is unwieldly, violates the C standard (_t suffixes are
reserved) and its purpose doesn't match the name (most target_phys_addr_t
addresses are not target specific). Replace it with a finger-friendly,
standards conformant hwaddr.
Outstanding patchsets can be fixed up with the command
git rebase -i --exec 'find -name "*.[ch]"
| xargs s/target_phys_addr_t/hwaddr/g' origin
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Use g_strdup rather than strdup, because the sole caller
(qdev_get_fw_dev_path_helper) assumes it gets non-NULL, and dereferences
it. Besides, in that caller, the allocated buffer is already freed with
g_free, so it's better to allocate with a matching g_strdup.
In one case, (scsi-bus.c) it was trivial, so I replaced an snprintf+
g_strdup combination with an equivalent g_strdup_printf use.
Signed-off-by: Jim Meyering <meyering@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This makes SysBus part of the root hierarchy and all busses children of
their respective parent DeviceState.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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This is far less interesting than it sounds. We simply add an Object to each
BusState and then register the types appropriately. Most of the interesting
refactoring will follow in the next patches.
Since we're changing fundamental type names (BusInfo -> BusClass), it all needs
to convert at once. Fortunately, not a lot of code is affected.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[AF: Made all new bus TypeInfos static const.]
[AF: Made qbus_free() call object_delete(), required {qom,glib}_allocated]
Signed-off-by: Andreas Färber <afaerber@suse.de>
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TYPE_SYSTEM_BUS will be local to hw/sysbus.c, so move existing references
to main_system_bus and system_bus_info there.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Replace device_init() with generalized type_init().
While at it, unify naming convention: type_init([$prefix_]register_types)
Also, type_init() is a function, so add preceding blank line where
necessary and don't put a semicolon after the closing brace.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Cc: Anthony Liguori <anthony@codemonkey.ws>
Cc: malc <av1474@comtv.ru>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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It is no longer used in the tree since everything is done natively through
QEMU Object Model.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This was done in a mostly automated fashion. I did it in three steps and then
rebased it into a single step which avoids repeatedly touching every file in
the tree.
The first step was a sed-based addition of the parent type to the subclass
registration functions.
The second step was another sed-based removal of subclass registration functions
while also adding virtual functions from the base class into a class_init
function as appropriate.
Finally, a python script was used to convert the DeviceInfo structures and
qdev_register_subclass functions to TypeInfo structures, class_init functions,
and type_register_static calls.
We are almost fully converted to QOM after this commit.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This converts three devices because apic and ioapic are subclasses of sysbus.
Converting subclasses independently of their base class is prohibitively hard.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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* qemu-kvm/memory/page_desc: (22 commits)
Remove cpu_get_physical_page_desc()
sparc: avoid cpu_get_physical_page_desc()
virtio-balloon: avoid cpu_get_physical_page_desc()
vhost: avoid cpu_get_physical_page_desc()
kvm: avoid cpu_get_physical_page_desc()
memory: remove CPUPhysMemoryClient
xen: convert to MemoryListener API
memory: temporarily add memory_region_get_ram_addr()
xen, vga: add API for registering the framebuffer
vhost: convert to MemoryListener API
kvm: convert to MemoryListener API
kvm: switch kvm slots to use host virtual address instead of ram_addr_t
memory: add API for observing updates to the physical memory map
memory: replace cpu_physical_sync_dirty_bitmap() with a memory API
framebuffer: drop use of cpu_physical_sync_dirty_bitmap()
loader: remove calls to cpu_get_physical_page_desc()
framebuffer: drop use of cpu_get_physical_page_desc()
memory: introduce memory_region_find()
memory: add memory_region_is_logging()
memory: add memory_region_is_rom()
...
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Now that all sysbus MMIO regions are MemoryRegions, mmio[n].memory
is never NULL, and we can remove some unnecessary conditionals.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Given a bus device, retrieves the memory address space for its bus.
Signed-off-by: Avi Kivity <avi@redhat.com>
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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>
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Signed-off-by: Avi Kivity <avi@redhat.com>
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No longer used - replaced by sysbus_init_mmio_region().
Signed-off-by: Avi Kivity <avi@redhat.com>
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C99 7.15.1: Each invocation of the va_start and va_copy macros shall
be matched by a corresponding invocation of the va_end macro in the
same function.
Spotted by Coverity. Harmless on the (common) systems where va_end()
does nothing.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Signed-off-by: Avi Kivity <avi@redhat.com>
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Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
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Add a sysbus_mmio_get_region() which allows users of sysbus
devices to turn a (SysBusDevice*, mmioidx) tuple into a
MemoryRegion*. This enables some useful simplifications of
devices which pass through another device's mmio region
(either directly or by implementing some kind of memory
controller device).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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This reverts commit 8ef9ea85a2cc1007eaefa53e6871f1f83bcef22d, reversing
changes made to 444dc48298c480e42e15a8fe676be737d8a6b2a1.
From Avi:
Please revert the entire pull (git revert 8ef9ea85a2cc1) while I work this
out - it isn't trivial.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Avi Kivity <avi@redhat.com>
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Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
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This problem with this function is that it is not reversible - it is
impossible to know where things are registered and unregister them
exactly. As there are no more users, we can remove it.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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sysbus_init_mmio_cb() uses the destructive IO_MEM_UNASSIGNED to remove a
region. Provide an alternative that calls an unmap callback, so the removal
may be done non-destructively.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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qemu_malloc/qemu_free no longer exist after this commit.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Allow registering sysbus device memory using a MemoryRegion. Once all users
are converted, sysbus_init_mmio() and sysbus_init_mmio_cb() will be removed.
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Remove unused sysemu.h include directives to speed up build
with the following patches.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
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Prints out mmio or pio used to access child device.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Fix address truncation in sysbus by using a wider type.
Reported-by: Artyom Tarasenko <atar4qemu@googlemail.com>
Tested-by: Andreas Färber <andreas.faerber@web.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Like qdev_init(), but terminate program via hw_error() instead of
returning an error value.
Use it instead of qdev_init() where terminating the program on failure
is okay, either because it's during machine construction, or because
we know that failure can't happen.
Because relying in the latter is somewhat unclean, and the former is
not always obvious, it would be nice to go back to qdev_init() in the
not-so-obvious cases, only with proper error handling. I'm leaving
that for another day, because it involves making sure that error
values are properly checked by all callers.
Patchworks-ID: 35168
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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In the very least, a change like this requires discussion on the list.
The naming convention is goofy and it causes a massive merge problem. Something
like this _must_ be presented on the list first so people can provide input
and cope with it.
This reverts commit 99a0949b720a0936da2052cb9a46db04ffc6db29.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Some not so obvious bits, slirp and Xen were left alone for the time
being.
Signed-off-by: malc <av1474@comtv.ru>
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Sorry folks, but it has to be. One more of these invasive qdev patches.
We have a serious design bug in the qdev interface: device init
callbacks can't signal failure because the init() callback has no
return value. This patch fixes it.
We have already one case in-tree where this is needed:
Try -device virtio-blk-pci (without drive= specified) and watch qemu
segfault. This patch fixes it.
With usb+scsi being converted to qdev we'll get more devices where the
init callback can fail for various reasons.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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BusInfo is filled with name and size (pretty much like I did for
DeviceInfo as well). There is also a function pointer to print
bus-specific device information to the monitor. sysbus is hooked
up there, I've also added a print function for PCI.
Device creation is slightly modified as well: The device type search
loop now also checks the bus type while scanning the list instead of
complaining thereafter in case of a mismatch. This effectively gives
each bus a private namespace for device names.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Paul Brook <paul@codesourcery.com>
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Rationale: move device information from code to data structures.
v2: Adapt the drivers missed in the first version.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Paul Brook <paul@codesourcery.com>
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Record device property types, and provide a list of properties at device
registration time.
Add a "device" property type that holds a reference to annother device.
Signed-off-by: Paul Brook <paul@codesourcery.com>
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Implement and use a common device bus state. The main side-effect is
that creating a bus and attaching it to a parent device are no longer
separate operations. For legacy code we allow a NULL parent, but that
should go away eventually.
Also tweak creation code to veriry theat a device in on the right bus.
Signed-off-by: Paul Brook <paul@codesourcery.com>
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Signed-off-by: Paul Brook <paul@codesourcery.com>
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