After all the previous patches, spliting the bitmap gets direct.
Note: For some reason, I have to move DIRTY_MEMORY_* definitions to
the beginning of memory.h to make compilation work.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
For historical reasons it was bit 3. Once there, create a constant to
know the number of clients.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Document it
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
So remove the flag argument and do it directly. After this change,
there is nothing else using cpu_physical_memory_set_dirty_flags() so
remove it.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
So cpu_physical_memory_get_dirty_flags is not needed anymore
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
So return void.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Move index and size fields from int to long. We need that for
migration. long is 64 bits on sane architectures, and 32bits should
be enough on all the 32bits architectures.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
The VMState code will be moved to vmstate.c and it uses some of the
QEMU_VM_* constants, so move it to a header.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
The QEMUFile code will be moved to qemu-file.c. This will require making
the following functions non-static because they are used by the savevm.c
code:
* qemu_peek_byte()
* qemu_peek_buffer()
* qemu_file_skip()
* qemu_file_set_error()
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
* stefanha/block:
commit: Remove unused check
qemu-iotests: Update test cases for commit active
commit: Support commit active layer
block: Add commit_active_start()
mirror: Move base to MirrorBlockJob
mirror: Don't close target
qemu-iotests: drop duplicate virtio-blk initialization failure
vmdk: Allow vmdk_create to work with protocol
vmdk: Check VMFS extent line field number
docs: updated qemu-img man page and qemu-doc to reflect VHDX support.
block: vhdx - improve error message, and .bdrv_check implementation
block/iscsi: Fix compilation for libiscsi 1.4.0 (API change)
qapi-schema: fix QEMU 1.8 references
dataplane: replace hostmem with memory_region_find
dataplane: change vring API to use VirtQueueElement
vring: factor common code for error exits
vring: create a common function to parse descriptors
sheepdog: fix dynamic grow for running qcow2 format
Message-id: 1387554416-5837-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
This includes some Preparatory patches for cpu hotplug for q25 and memory
hotplug by Igor, tests and memory mapping change
by Laszlo and pci reset cleanup by Paolo.
There are also some fixes for fedora and virtio:
included here since they are test blockers for me.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
acpi,pci,pc,fedora,virtio fixes and enhancements
This includes some Preparatory patches for cpu hotplug for q25 and memory
hotplug by Igor, tests and memory mapping change
by Laszlo and pci reset cleanup by Paolo.
There are also some fixes for fedora and virtio:
included here since they are test blockers for me.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Mon 23 Dec 2013 08:07:18 AM PST using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
* mst/tags/for_anthony:
target-arm: fix build with gcc 4.8.2
virtio: add back call to virtio_bus_device_unplugged
piix: fix 32bit pci hole
qdev: switch reset to post-order
qdev: allow both pre- and post-order vists in qdev walking functions
pci: clean up resetting of IRQs
pci: do not export pci_bus_reset
ACPI/DSDT-CPU: cleanup bogus comment
ACPI: Q35 DSDT: fix CPU hotplug GPE0.2 handler
acpi: ich9: allow guest to clear SCI rised by GPE
acpi: factor out common pm_update_sci() into acpi core
acpi: piix4: remove not needed GPE0 mask
i440fx-test: verify firmware under 4G and 1M, both -bios and -pflash
i440fx-test: generate temporary firmware blob
i440fx-test: give each GTest case its own qtest
i440fx-test: qtest_start() should be paired with qtest_end()
hw/i386/pc_sysfw: support two flash drives
pc_piix: document gigabyte_align
piix: gigabyte alignment for ram
Message-id: 1387815007-1272-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
* QOM interface fixes and unit test
* Device no_user sanitization and documentation
* Device error reporting improvement
* Conversion of APIC, ICC, IOAPIC to QOM realization model
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Merge remote-tracking branch 'afaerber/tags/qom-devices-for-anthony' into staging
QOM infrastructure fixes and device conversions
* QOM interface fixes and unit test
* Device no_user sanitization and documentation
* Device error reporting improvement
* Conversion of APIC, ICC, IOAPIC to QOM realization model
# gpg: Signature made Tue 24 Dec 2013 09:04:05 AM PST using RSA key ID 3E7E013F
# gpg: Good signature from "Andreas Färber <afaerber@suse.de>"
# gpg: aka "Andreas Färber <afaerber@suse.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: 174F 0347 1BCC 221A 6175 6F96 FA2E D12D 3E7E 013F
* afaerber/tags/qom-devices-for-anthony: (24 commits)
qdev-monitor: Improve error message for -device nonexistant
ioapic: QOM'ify ioapic
ioapic: Cleanup for QOM'ification
icc_bus: QOM'ify ICC
apic: QOM'ify APIC
apic: Cleanup for QOM'ification
qdev: Drop misleading qbus_free() function
qom: Detect bad reentrance during object_class_foreach()
tests: Test QOM interface casting
qom: Do not register interface "types" in the type table and fix names
qom: Split out object and class caches
qdev: Document that pointer properties kill device_add
hw: cannot_instantiate_with_device_add_yet due to pointer props
qdev-monitor: Avoid device_add crashing on non-device driver name
qdev: Do not let the user try to device_add when it cannot work
isa: Clean up use of cannot_instantiate_with_device_add_yet
vt82c686: Clean up use of cannot_instantiate_with_device_add_yet
piix3 piix4: Clean up use of cannot_instantiate_with_device_add_yet
ich9: Document why cannot_instantiate_with_device_add_yet
pci-host: Consistently set cannot_instantiate_with_device_add_yet
...
* mjt/trivial-patches:
acpi unit-test: Remove temporary disk after test
mainstone: Fix duplicate array values for key 'space'
pxa27x: Add 'const' attribute to keyboard maps
pxa27x: Reduce size of keyboard matrix mapping
doc: Mention chardev:id in available devices for -serial
configure: Python tests must be done before help message
configure: Rewrite code for help message
fix -boot strict regressed in commit 6ef4716
vl: make boot_strict variable static (not used outside vl.c)
x86: only allow real mode to access 32bit without LMA
linux-user: Use macro TARGET_NSIG_WORDS where possible
exynos4210: Use macro ARRAY_SIZE where possible
ui/cocoa: Use macro ARRAY_SIZE where possible
misc: Use macro ARRAY_SIZE where possible
openrisc: Fix spelling in comment (transaltion -> translation)
hw/arm/highbank: Simplify code (memory region in device state)
Message-id: 1388182050-10270-1-git-send-email-mjt@msgid.tls.msk.ru
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
IEEE754-2008 specifies a new rounding mode:
"roundTiesToAway: the floating-point number nearest to the infinitely
precise result shall be delivered; if the two nearest floating-point
numbers bracketing an unrepresentable infinitely precise result are
equally near, the one with larger magnitude shall be delivered."
Implement this new mode (it is needed for ARM). The general principle
is that the required code is exactly like the ties-to-even code,
except that we do not need to do the "in case of exact tie clear LSB
to round-to-even", because the rounding operation naturally causes
the exact tie to round up in magnitude.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Add the conversion functions float16_to_float64() and
float64_to_float16(), which will be needed for the ARM
A64 instruction set.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Tidy up the get/set accessors for the fp state to add missing ones
and make them all inline in softfloat.h rather than some inline and
some not.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
This patch adds the float32_to_uint64() routine, which converts a
32-bit floating point number to an unsigned 64 bit number.
This contribution can be licensed under either the softfloat-2a or -2b
license.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: removed harmless but silly int64_t casts]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Currently the int-to-float functions take types which are specified
as "at least X bits wide", rather than "exactly X bits wide". This is
confusing and unhelpful since it means that the callers have to include
an explicit cast to [u]intXX_t to ensure the correct behaviour. Fix
them all to take the exactly-X-bits-wide types instead.
Note that this doesn't change behaviour at all since at the moment
we happen to define the 'int32' and 'uint32' types as exactly 32 bits
wide, and the 'int64' and 'uint64' types as exactly 64 bits wide.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Add the float to 16 bit integer conversion routines. These can be
trivially implemented in terms of the int32_to_float* routines, but
providing them makes our API more symmetrical and can simplify callers.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
ARMv8 requires support for converting 32 and 64bit floating point
values to signed and unsigned 16bit integers.
Signed-off-by: Will Newton <will.newton@linaro.org>
[PMM: updated not to incorrectly set Inexact for Invalid inputs]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
TRIGGER can really mean mean anything (e.g. was it triggered, is it
level-triggered, is it edge-triggered, etc.). Rename to EDGE_TRIGGER to
make the code comprehensible without looking up the data structure.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Message-id: 1387606179-22709-2-git-send-email-christoffer.dall@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This is no longer needed, and is obsoleted by error_abort. Remove.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This is a boiler-plate _nofail variant of qemu_opts_create. Remove and
use error_abort in call sites.
null/0 arguments needs to be added for the id and fail_if_exists fields
in affected callsites due to argument inconsistency between the normal and
no_fail variants.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Replace assert_no_error() usages with the error_abort system.
&error_abort is passed into API calls to signal to the Error sub-system
that any errors are fatal. Removes need for caller assertions.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Add a special Error * that can be passed to error handling APIs to
signal that any errors are fatal and should abort QEMU. There are two
advantages to this:
- allows for brevity when wishing to assert success of Error **
accepting APIs. No need for this pattern:
Error * local_err = NULL;
api_call(foo, bar, &local_err);
assert_no_error(local_err);
This also removes the need for _nofail variants of APIs with
asserting call sites now reduced to 1LOC.
- SIGABRT happens from within the offending API. When a fatal error
occurs in an API call (when the caller is asserting sucess) failure
often means the API itself is broken. With the abort happening in the
API call now, the stack frames into the call are available at debug
time. In the assert_no_error scheme the abort happens after the fact.
The exact semantic is that when an error is raised, if the argument
Error ** matches &error_abort, then the abort occurs immediately. The
error messaged is reported.
For error_propagate, if the destination error is &error_abort, then
the abort happens at propagation time.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Add two commands that are the monitor counterparts of -object. The commands
have the same Visitor-based implementation, but use different kinds of
visitors so that the HMP command has a DWIM string-based syntax, while
the QMP variant accepts a stricter JSON-based properties dictionary.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
The mapping is a hardware feature, so it is relatively constant.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
The row and column values use only a very limited range (-1 ... 7),
so a byte value is sufficient.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Convert 'init' function to QOM's 'realize' for ioapic and kvm-ioapic.
Change variable 'ioapic_no' from static to global. Then we can drop
the 'instance_no' function argument.
Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Convert 'init' function to QOM's 'realize' for apic, kvm/apic and
xen/xen_apic.
Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Same reasoning as commit 02a5c4c974
("qdev: Drop misleading qdev_free() function"). The qbus_free()
function removes the child from the namespace and decrements the
reference count. It does not, however, guarantee to free the child
since the refcount may still be held.
Just call object_unparent() directly.
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
There should be no need to look up nor enumerate the interface "types",
whose "classes" are really just vtables. Just create the types and
add them to the interface list of the parent type.
Interfaces not registering their type anymore means that accessing
superclass::interface by type name will fail when initializing
subclass::interface. Thus, we need to pre-initialize the subclass's
parent_type field before calling type_initialize. Apart from this, the
interface "types" should never be used and thus it is harmless to leave
them out of the hashtable.
Further, the interface types had a bug with interfaces that are
inherited from a superclass: The implementation type name was wrong
(for example it was subclass::superclass::interface rather than
just subclass::interface). This patch fixes this as well.
Reported-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
The object-cast and class-cast caches cannot be shared because class
caching is conditional on the target type not being an interface and
object caching is unconditional. Leads to a bug when a class cast
to an interface follows an object cast to the same interface type:
FooObject = FOO(obj);
FooClass = FOO_GET_CLASS(obj);
Where TYPE_FOO is an interface. The first (object) cast will be
successful and cache the casting result (i.e. TYPE_FOO will be cached).
The second (class) cast will then check the shared cast cache
and register a hit. The issue is, when a class cast hits in the cache
it just returns a pointer cast of the input class (i.e. the concrete
class).
When casting to an interface, the cast itself must return the
interface class, not the concrete class. The implementation of class
cast caching already ensures that the returned cast result is only
a pointer cast before caching. The object cast logic however does
not have this check.
Resolve by just splitting the object and class caches.
Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Nathan Rossi <nathan.rossi@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Ask users of DEFINE_PROP_PTR() to set
cannot_instantiate_with_device_add_yet, or explain why it's not
needed.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Make the 32bit pci hole start at end of ram, so all possible address
space is covered.
We used to try and make addresses aligned so they are easier to cover
with MTRRs, but since they are cosmetic on KVM, this is probably not
worth worrying about.
Of course the firmware can use less than that. Leaving space unused is
no problem, mapping pci bars outside the hole causes problems though.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Post-order is the only sensible direction for the reset signals.
For example, suppose pre-order is used and the parent has some data
structures that cache children state (for example a list of active
requests). When the reset method is invoked on the parent, these caches
could be in any state.
If post-order is used, on the other hand, these will be in a known state
when the reset method is invoked on the parent.
This change means that it is no longer possible to block the visit of
the devices, so the callback is changed to return void. This is not
a problem, because PCI was returning 1 exactly in order to achieve the
same ordering that this patch implements.
PCI can then rely on the qdev core having sent a "reset signal" (whatever
that means) to the device, and only do the PCI-specific initialization
with pci_do_device_reset.
MST: fixed up virtio-ccw
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Resetting should be done in post-order, not pre-order. However,
qdev_walk_children and qbus_walk_children do not allow this. Fix
it by adding two extra arguments to the functions.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
qbus_reset_all can be used instead. There is no semantic change
because pcibus_reset returns 1 and takes care of the device
tree traversal.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
... and rename it into acpi_update_sci() since it changes
SCI on only on PM registers status.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
In an ideal world, machines can be built by wiring devices together
with configuration, not code. Unfortunately, that's not the world we
live in right now. We still have quite a few devices that need to be
wired up by code. If you try to device_add such a device, it'll fail
in sometimes mysterious ways. If you're lucky, you get an
unmysterious immediate crash.
To protect users from such badness, DeviceClass member no_user used to
make device models unavailable with -device / device_add, but that
regressed in commit 18b6dad. The device model is still omitted from
help, but is available anyway.
Attempts to fix the regression have been rejected with the argument
that the purpose of no_user isn't clear, and it's prone to misuse.
This commit clarifies no_user's purpose. Anthony suggested to rename
it cannot_instantiate_with_device_add_yet_due_to_internal_bugs, which
I shorten somewhat to keep checkpatch happy. While there, make it
bool.
Every use of cannot_instantiate_with_device_add_yet gets a FIXME
comment asking for rationale. The next few commits will clean them
all up, either by providing a rationale, or by getting rid of the use.
With that done, the regression fix is hopefully acceptable.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
commit_active_start is implemented in block/mirror.c, It will create a
job with "commit" type and designated base in block-commit command. This
will be used for committing active layer of device.
Sync mode is removed from MirrorBlockJob because there's no proper type
for commit. The used information is is_none_mode.
The common part of mirror_start and commit_active_start is moved to
mirror_start_job().
Fix the comment wording for commit_start.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Looking at the implementation, this doesn't really have a lot to do
with arrays. Its just a pointer to a buffer and is passed through
to the wrapped fn (qemu_fdt_setprop) unchanged. So rename to make it
consistent with libfdt, which in the wrapped function just calls it
"val".
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
The qemu_devtree API is a wrapper around the fdt_ set of APIs.
Rename accordingly.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
[agraf: also convert hw/arm/virt.c]
Signed-off-by: Alexander Graf <agraf@suse.de>
We use the rom infrastructure to write firmware and/or initial kernel
blobs into guest address space. So we're basically emulating the cache
off phase on very early system bootup.
That phase is usually responsible for clearing the instruction cache for
anything it writes into cachable memory, to ensure that after reboot we
don't happen to execute stale bits from the instruction cache.
So we need to invalidate the icache every time we write a rom into guest
address space. We do not need to do this for every DMA since the guest
expects it has to flush the icache manually in that case.
This fixes random reboot issues on e5500 (booke ppc) for me.
Signed-off-by: Alexander Graf <agraf@suse.de>
This adds very basic handlers for ibm,get-system-parameter and
ibm,set-system-parameter RTAS calls.
The only parameter handled at the moment is
"platform-processor-diagnostics-run-mode" which is always disabled and
does not support changing. This is expected to make
"ppc64_cpu --run-mode=1" happy.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
[agraf: s/papameter/parameter/g]
Signed-off-by: Alexander Graf <agraf@suse.de>
Add support for defining a vmstate field which is an array
of pointers to structures, and use this to define a
VMSTATE_PTIMER_ARRAY() which allows an array of ptimer_state*
to be used by devices.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1387159292-10436-2-git-send-email-lig.fnst@cn.fujitsu.com
DIGIC is Canon Inc.'s name for a family of SoC
for digital cameras and camcorders.
There is no publicly available specification for
DIGIC chips. All information about DIGIC chip
internals is based on reverse engineering efforts
made by CHDK (http://chdk.wikia.com) and
Magic Lantern (http://www.magiclantern.fm) projects
contributors.
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 1387188908-754-2-git-send-email-antonynpavlov@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
this patch introduces wrappers for the clrsb builtins,
which count the leading redundant sign bits.
Signed-off-by: Claudio Fontana <claudio.fontana@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Teach the chardev frontend to send event. This is used by the Spice port
chardev currently.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Most notably this includes changes to exec to support
full 64 bit addresses.
This also flushes out patches that got queued during 1.7 freeze.
There are new tests, and a bunch of bug fixes all over the place.
There are also some changes mostly useful for downstreams.
I'm also listing myself as pc co-maintainer. I'm doing this reluctantly,
but this seems to be necessary to make sure patches are not lost or delayed too
much, and posting the MAINTAINERS patch did not seem to make anyone else
volunteer.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
acpi.pci,pc,memory core fixes
Most notably this includes changes to exec to support
full 64 bit addresses.
This also flushes out patches that got queued during 1.7 freeze.
There are new tests, and a bunch of bug fixes all over the place.
There are also some changes mostly useful for downstreams.
I'm also listing myself as pc co-maintainer. I'm doing this reluctantly,
but this seems to be necessary to make sure patches are not lost or delayed too
much, and posting the MAINTAINERS patch did not seem to make anyone else
volunteer.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Wed 11 Dec 2013 10:21:51 AM PST using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Michael S. Tsirkin (14) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony: (28 commits)
pc: use macro for HPET type
hpet: fix build with CONFIG_HPET off
acpi unit-test: adjust the test data structure for better handling
acpi unit-test: load and check facs table
exec: separate sections and nodes per address space
memory.c: bugfix - ref counting mismatch in memory_region_find
hpet: enable to entitle more irq pins for hpet
hpet: inverse polarity when pin above ISA_NUM_IRQS
pci: fix pci bridge fw path
ACPI DSDT: Make control method `IQCR` serialized
acpi: strip compiler info in built-in DSDT
acpi unit-test: verify signature and checksum
smbios: Set system manufacturer, product & version by default
exec: reduce L2_PAGE_SIZE
exec: make address spaces 64-bit wide
exec: memory radix tree page level compression
exec: pass hw address to phys_page_find
exec: extend skip field to 6 bit, page entry to 32 bit
exec: replace leaf with skip
split definitions for exec.c and translate-all.c radix trees
...
Message-id: cover.1386786228.git.mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
make hpet_find inline so we don't need
to build hpet.c to check if hpet is enabled.
Fixes link error with CONFIG_HPET off.
Cc: qemu-stable@nongnu.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Owning to some different hardware design, piix and q35 need
different compat. So making them diverge.
On q35, IRQ2/8 can be reserved for hpet timer 0/1. And pin 16~23
can be assigned to hpet as guest chooses. So we introduce intcap
property to do that.
Consider the compat and piix/q35, we finally have the following
value for intcap: For piix, hpet's intcap is hard coded as IRQ2.
For pc-q35-1.7 and earlier, we use IRQ2 for compat reason. Otherwise
IRQ2, IRQ8, and IRQ16~23 are allowed.
Signed-off-by: Liu Ping Fan <pingfank@linux.vnet.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add floatnn_minnum() and floatnn_maxnum() functions which are equivalent
to the minNum() and maxNum() functions from IEEE 754-2008. They are
similar to min() and max() but differ in the handling of QNaN arguments.
Signed-off-by: Will Newton <will.newton@linaro.org>
Message-id: 1386158099-9239-5-git-send-email-will.newton@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
If no fdt is provided on command line and the new field
get_dtb in struct arm_boot_info is set then call it to
get a device tree blob.
Signed-off-by: John Rigby <john.rigby@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Message-id: 1385140638-10444-4-git-send-email-peter.maydell@linaro.org
[PMM: minor tweaks and cleanup]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add the global timer to A9 MPCore.
Signed-off-by: François LEGAL <devel@thom.fr.eu.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: ff92f35f438ac671b57d99d823723dd3e62d2c49.1385969450.git.peter.crosthwaite@xilinx.com
[PC Changes:
* new commit message
* split off original version as a separate patch
* Rebased against new mpcore implementation (with struct embedding)
]
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The ARM A9 MPCore has a timer that is global to all cores in the cluster.
The timer is shared but each core has a private independent comparator
and interrupt.
Based on version contributed by Francois LEGAL.
Signed-off-by: François LEGAL <devel@thom.fr.eu.org>
Message-id: 4918e89476b8da916be2964ec41578b50d569a37.1385969450.git.peter.crosthwaite@xilinx.com
[PC changes:
* New commit message
* Re-implemented as single timer model
* Fixed backwards counting issue in polled mode
* completed VMSD fields
* macroified magic numbers (and headerified reg definitions)
* split of as device-model-only patch
* use bitops for 64 bit register access
* Fixed auto increment mode to check condition properly
* general cleanup (names/style etc).
]
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
[PMM:
* minor typo fixes
* added missing return after error_setg()
* dropped setting dc->no_user = 1
]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
To make it consistent for easier code reading. The order in which
variables are defined and functions are called is set to match the
address map ordering.
The new consistent order of doing stuff is:
SCU -> GIC -> MPTimer -> WDT.
0 functional change.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 8f31398e6d9a93f57291399f269039da1a77a2b5.1385969450.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Currently, we get SeaBIOS defaults: manufacturer Bochs, product Bochs,
no version. Best SeaBIOS can do, but we can provide better defaults:
manufacturer QEMU, product & version taken from QEMUMachine desc and
name.
Take care to do this only for new machine types, of course.
Note: Michael Tsirkin doesn't trust us to keep values of QEMUMachine member
product stable in the future. Use copies instead, and in a way that
makes it obvious that they're guest ABI.
Note that we can be trusted to keep values of member name, because
that has always been ABI.
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
qtest uses the icount infrastructure to implement a test-driven vm_clock. This
however is not necessary when using -qtest as a "probe" together with a normal
TCG-, KVM- or Xen-based virtual machine. Hence, split out the call to
configure_icount into a new function that is called only for "-machine
accel=qtest"; and disable those commands when running with an accelerator
other than qtest.
This also fixes an assertion failure with "qemu-system-x86_64 -machine
accel=qtest" but no -qtest option. This is a valid case, albeit somewhat
weird; nothing will happen in the VM but you'll still be able to
interact with the monitor or the GUI.
Now that qtest_init is not limited to an int(void) function, change
global variables that are not used outside qtest_init to arguments.
And finally, cleanup useless parts of include/sysemu/qtest.h. The file
is not used at all for user-only emulation, and qtest is not available
on Win32 due to its usage of sigwait.
Reported-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
With a help of negative memory region priority PCI address space
is mapped underneath RAM regions effectively catching every access
to addresses not mapped by any other region.
It simplifies PCI address space mapping into system address space.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Put it in QEMUMachineInitArgs, so I don't have to touch every board.
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Temporarily allow either VirtioDeviceClass::init or
VirtioDeviceClass::realize.
Introduce VirtioDeviceClass::unrealize for symmetry.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This ensures hot-unplug is handled properly by the proxy, and avoids
leaking bus_name which is freed by virtio_device_exit.
Cc: qemu-stable@nongnu.org
Acked-by: Andreas Faerber <afaerber@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Right now we have these pairs:
- virtio_bus_plug_device/virtio_bus_destroy_device. The first
takes a VirtIODevice, the second takes a VirtioBusState
- device_plugged/device_unplug callbacks in the VirtioBusClass
(here it's just the naming that is inconsistent)
- virtio_bus_destroy_device is not called by anyone (and since
it calls qdev_free, it would be called by the proxies---but
then the callback is useless since the proxies can do whatever
they want before calling virtio_bus_destroy_device)
And there is a k->init but no k->exit, hence virtio_device_exit is
overwritten by subclasses (except virtio-9p). This cleans it up by:
- renaming the device_unplug callback to device_unplugged
- renaming virtio_bus_plug_device to virtio_bus_device_plugged,
matching the callback name
- renaming virtio_bus_destroy_device to virtio_bus_device_unplugged,
removing the qdev_free, making it take a VirtIODevice and calling it
from virtio_device_exit
- adding a k->exit callback
virtio_device_exit is still overwritten, the next patches will fix that.
Cc: qemu-stable@nongnu.org
Acked-by: Andreas Faerber <afaerber@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The vdev field is complicated to synchronize. Just access the
BusState's list of children.
Cc: qemu-stable@nongnu.org
Acked-by: Andreas Faerber <afaerber@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
# By Paolo Bonzini (17) and others
# Via Stefan Hajnoczi
* stefanha/block: (48 commits)
qemu-iotests: filter QEMU monitor \r\n
aio: make aio_poll(ctx, true) block with no fds
block: clean up bdrv_drain_all() throttling comments
qcow2: use start_of_cluster() and offset_into_cluster() everywhere
qemu-img: decrease progress update interval on convert
qemu-img: round down request length to an aligned sector
qemu-img: dynamically adjust iobuffer size during convert
block/iscsi: set bs->bl.opt_transfer_length
block: add opt_transfer_length to BlockLimits
block/iscsi: set bdi->cluster_size
qemu-img: fix usage instruction for qemu-img convert
qemu-img: add support for skipping zeroes in input during convert
qemu-nbd: add doc for option -f
qemu-iotests: add test for snapshot in qemu-img convert
qemu-img: add -l for snapshot in convert
qemu-iotests: add 058 internal snapshot export with qemu-nbd case
qemu-nbd: support internal snapshot export
snapshot: distinguish id and name in load_tmp
qemu-iotests: Split qcow2 only cases in 048
qemu-iotests: Clean up spaces in usage output
...
Message-id: 1386347807-27359-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
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Merge remote-tracking branch 'kwolf/tags/for-anthony' into staging
Block patches for 2.0 (flushing block-next)
# gpg: Signature made Fri 29 Nov 2013 08:43:18 AM PST using RSA key ID C88F2FD6
# gpg: Can't check signature: public key not found
# By Peter Lieven (17) and others
# Via Kevin Wolf
* kwolf/tags/for-anthony: (41 commits)
qemu-iotests: Add sample image and test for VMDK version 3
vmdk: Allow read only open of VMDK version 3
qemu-iotests: Filter out 'qemu-io> ' prompt
qemu-iotests: Filter qemu-io output in 025
block: Use BDRV_O_NO_BACKING where appropriate
qemu-iotests: Test snapshot mode
block: Enable BDRV_O_SNAPSHOT with driver-specific options
qemu-iotests: Make test case 030, 040 and 055 deterministic
qemu-iotest: Add pause_drive and resume_drive methods
blkdebug: add "remove_break" command
qemu-iotests: Drop local version of cancel_and_wait from 040
sheepdog: support user-defined redundancy option
sheepdog: refactor do_sd_create()
qdict: Optimise qdict_do_flatten()
qdict: Fix memory leak in qdict_do_flatten()
MAINTAINERS: add sheepdog development mailing list
COW: Extend checking allocated bits to beyond one sector
COW: Speed up writes
qapi: Change BlockDirtyInfo to list
block: per caller dirty bitmap
...
Message-id: 1385743555-27888-1-git-send-email-kwolf@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
# By Paul Durrant (1) and Wei Liu (1)
# Via Stefano Stabellini
* sstabellini/xen-2013-12-01:
xen-pvdevice: make device-id property compulsory
xen: fix two errors when debug is enabled
Message-id: alpine.DEB.2.02.1312011829000.3198@kaball.uk.xensource.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
# By Richard Henderson
# Via Richard Henderson
* rth/auxv-2:
linux-user: Use qemu_getauxval for AT_EXECFD
util: Use qemu_getauxval in linux qemu_cache_utils_init
tcg-s390: Use qemu_getauxval in query_facilities
tcg-arm: Use qemu_getauxval
tcg-ppc64: Use qemu_getauxval
osdep: Create qemu_getauxval and qemu_init_auxval
Message-id: 1385757754-10702-1-git-send-email-rth@twiddle.net
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Bugfixes for uas emulation.
Add remote wakeup support for ehci.
Add suspend support for xhci.
Misc minor tweaks and fixes.
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Merge remote-tracking branch 'kraxel/tags/pull-usb-1' into staging
Improvements for usb3 bulk stream (usb core, xhci).
Bugfixes for uas emulation.
Add remote wakeup support for ehci.
Add suspend support for xhci.
Misc minor tweaks and fixes.
# gpg: Signature made Thu 28 Nov 2013 11:44:49 PM PST using RSA key ID D3E87138
# gpg: Can't check signature: public key not found
# By Hans de Goede (11) and others
# Via Gerd Hoffmann
* kraxel/tags/pull-usb-1:
usb: move usb_{hi,lo} helpers to header file.
usb: add vendor request defines
trace-events: Clean up after removal of old usb-host code
Revert "usb-tablet: Don't claim wakeup capability for USB-2 version"
ehci: implement port wakeup
xhci: Call usb_device_alloc/free_streams
usb: Add usb_device_alloc/free_streams
usb: Add max_streams attribute to endpoint info
uas: s/ui/iu/
uas: Fix response iu struct definition
uas: Bounds check tags when using streams
uas: Streams are numbered 1-y, rather then 0-x
uas: Fix / cleanup usb_uas_task error handling
uas: Only use report iu-s for task_mgmt status reporting
scsi: Add 2 new sense codes needed by uas
xhci: add support for suspend/resume
xhci: Add a few missing checks for disconnected devices
Message-id: 1385712381-30918-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Now it is possible to directly export an internal snapshot, which
can be used to probe the snapshot's contents without qemu-img
convert.
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Since later this function will be used so improve it. The only caller of it
now is qemu-img, and it is not impacted by introduce function
bdrv_snapshot_load_tmp_by_id_or_name() that call bdrv_snapshot_load_tmp()
twice to keep old search logic. bdrv_snapshot_load_tmp_by_id_or_name() return
int to let caller know the errno, and errno will be used later.
Also fix a typo in comments of bdrv_snapshot_delete().
Signed-off-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This will be used by the SCSI layer.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This lets bdrv_co_do_rw receive flags, so that it can be used for
zero writes.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Most code already used QEMUTimer without the redundant 'struct' keyword.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This reduces the dependencies on trace.h.
Only two source files which need console.h also need trace.h.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
The AioContext ctx field is apparently unused in qemu codebase since
02ffb50448.
Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
qemu_co_queue_wait_insert_head() is unused in qemu code base now.
Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The intention of the Xen PV device is that it is used as a parent
device for PV drivers in Xen HVM guests and the set of PV drivers that
bind to the device is determined by its device ID (and possibly
vendor ID and revision). As such, the device should not have a default
device ID, it should always be supplied by the Xen toolstack.
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
With this we no longer pass down envp, and thus all systems can have
the same void prototype. So also eliminate a useless thunk.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
No need to set up a SIGILL signal handler for detection anymore.
Remove a ton of sanity checks that must be true, given that we're
requiring a 64-bit build (the note about 31-bit KVM is satisfied
by configuring with TCI).
Signed-off-by: Richard Henderson <rth@twiddle.net>
Allow host detection on linux systems without glibc 2.16 or later.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Allow host detection on linux systems without glibc 2.16 or later.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This adds "remove_break" command which is the reverse of blkdebug
command "break": it removes all breakpoints with given tag and resumes
all the requests.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Sheepdog support two kinds of redundancy, full replication and erasure coding.
# create a fully replicated vdi with x copies
-o redundancy=x (1 <= x <= SD_MAX_COPIES)
# create a erasure coded vdi with x data strips and y parity strips
-o redundancy=x:y (x must be one of {2,4,8,16} and 1 <= y < SD_EC_MAX_STRIP)
E.g, to convert a vdi into sheepdog vdi 'test' with 8:3 erasure coding scheme
$ qemu-img convert -o redundancy=8:3 linux-0.2.img sheepdog:test
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Liu Yuan <namei.unix@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
We have multiple dirty bitmaps in BDS now, switch QAPI to allow query
it (BlockInfo.dirty_bitmaps), and also drop old BlockInfo.dirty.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Previously a BlockDriverState has only one dirty bitmap, so only one
caller (e.g. a block job) can keep track of writing. This changes the
dirty bitmap to a list and creates a BdrvDirtyBitmap for each caller, the
lifecycle is managed with these new functions:
bdrv_create_dirty_bitmap
bdrv_release_dirty_bitmap
Where BdrvDirtyBitmap is a linked list wrapper structure of HBitmap.
In place of bdrv_set_dirty_tracking, a BdrvDirtyBitmap pointer argument
is added to these functions, since each caller has its own dirty bitmap:
bdrv_get_dirty
bdrv_dirty_iter_init
bdrv_get_dirty_count
bdrv_set_dirty and bdrv_reset_dirty prototypes are unchanged but will
internally walk the list of all dirty bitmaps and set them one by one.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Add defines for vendor specific usb control requests.
Group defines by Device / Interface / Endpoint while
being at it.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
this patch adds a call to completely zero out a block device.
the operation is sped up by checking the block status and
only writing zeroes to the device if they currently do not
return zeroes. optionally the zero writing can be sped up
by setting the flag BDRV_REQ_MAY_UNMAP to emulate the zero
write by unmapping if the driver supports it.
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
this patch adds BlockLimits which introduces discard and write_zeroes
limits and alignment information to the BlockDriverState.
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This adds 2 wrappers to read the unallocated_blocks_are_zero and
can_write_zeroes_with_unmap info from the BDI. The wrappers are
required to check for the existence of a backing_hd and
if the devices are opened with the correct flags.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
clang defines __ATOMIC_SEQ_CST but its implementation of the
__atomic_exchange() builtin differs from that of gcc. Move the
__clang__ branch of the ifdef ladder to the top and fix its
implementation (there is no such builtin as __sync_exchange),
so we can compile with clang again.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This causes two slight backwards-incompatibilities between "-M pc-1.5"
and 1.5's "-M pc":
(1) a fw_cfg file is removed with this patch. This is only a problem
if migration stops the virtual machine exactly during fw_cfg enumeration.
(2) after migration, a VM created without an explicit "-device pvpanic"
will stop reporting panics to management.
The first problem only occurs if migration is done at a very, very
early point (and I'm not sure it can happen in practice for reasonable-size
VMs, since it will likely take more time to send the RAM to destination,
than it will take for BIOS to scan fw_cfg).
The second problem only occurs if the guest panics _and_ has a guest
driver _and_ management knows to look at the crash event, so it is
mostly theoretical at this point in time.
Thus keep the code simple, and pretend it was never broken.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Currently we have three QemuOptsList (qemu_common_drive_opts,
qemu_legacy_drive_opts, and qemu_drive_opts), only qemu_drive_opts
is added to vm_config_groups[].
This patch changes query-command-line-options to access three local
QemuOptsLists for drive option, and merge the description items
together.
Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This reverts PCI master abort support - we'll want it
eventually but it exposes too many core bugs to be safe for 1.7.
This also reverts a recent exec.c change that was an
attempt to work-around some of these core bugs.
Also included are small fixes in pc and virtio,
and a core loader fix for PPC bamboo.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
pci, pc, virtio bug fixes
This reverts PCI master abort support - we'll want it
eventually but it exposes too many core bugs to be safe for 1.7.
This also reverts a recent exec.c change that was an
attempt to work-around some of these core bugs.
Also included are small fixes in pc and virtio,
and a core loader fix for PPC bamboo.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 10 Nov 2013 05:13:22 AM PST using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Michael S. Tsirkin (3) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
Revert "exec: limit system memory size"
Revert "hw/pci: partially handle pci master abort"
loader: drop return value for rom_add_blob_fixed
acpi-build: disable with -no-acpi
virtio-net: only delete bh that existed
Fix pc migration from qemu <= 1.5
Message-id: 1384159176-31662-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
This reverts commit a53ae8e934.
The patch being reverted introduced a low-priority memory region
covering all 64 bit pci address space. This exposed the following bugs
elsewhere in the code:
1. Some memory regions have INT64_MAX size, where the
intent was all 64 bit address space.
This results in a sub-page region, should be UINT64_MAX.
2. page table rendering in exec.c ignores physical address bits
above TARGET_PHYS_ADDR_SPACE_BITS.
Access outside this range (e.g. from device DMA, or gdb stub)
ends up with a wrong region. Registering a region outside this
range leads to page table corruption.
3. Some regions overlap PCI hole and have same priority.
This only works as long as no device uses the overlapping address.
It doesn't look like we can resolve all issues in time for 1.7.
Let's fix the bugs first and apply afterwards for 1.8.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
rom_add_blob never fails, and neither does rom_add_blob_fixed,
so there's no need to return value from it.
In fact, rom_add_blob_fixed was erroneously returning -1 unconditionally
which made the only system that checked the return value -M bamboo fail
to start.
Drop the return value and drop checks from ppc440_bamboo to
fix this failure.
Reported-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The following commit introduced a migration incompatibility:
commit 568f0690fd
Author: David Gibson <david@gibson.dropbear.id.au>
Date: Thu Jun 6 18:48:49 2013 +1000
pci: Replace pci_find_domain() with more general pci_root_bus_path()
The issue is that i440fx savevm idstr went from 0000:00:00.0/I440FX to
0000:00.0/I440FX. Unfortunately we are stuck with the breakage for
1.6 machine types.
Add a compat property to maintain the busted idstr for the 1.6 machine
types, but revert to the old style format for 1.7+, and <= 1.5.
Tested with migration from qemu 1.5, qemu 1.6, and qemu.git.
Cc: qemu-stable@nongnu.org
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
[Assigning a multicast MAC address to a NIC leads to confusing behavior.
Reject multicast MAC addresses so users are alerted to their error
straight away.
The "net/eth.h" in6_addr rename prevents a name collision with
<netinet/in.h> on Linux.
-- Stefan]
Signed-off-by: Dmitry V. Krivenok <krivenok.dmitry@gmail.com>
Reviewed-by: Amos Kong <kongjianjun@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Replace the legacy cpu_to_32wu() with stl_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-10-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy cpu_to_be64wu() with stq_be_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-9-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy cpu_to_be32wu() with stl_be_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-8-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy cpu_to_be16wu() with stw_be_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-7-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy be32_to_cpupu() with ldl_be_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-6-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy le32_to_cpupu() with ldl_le_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-5-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy le16_to_cpupu() with lduw_le_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-4-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy cpu_to_le32wu() with stl_le_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-3-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Replace the legacy cpu_to_le16wu() with stw_le_p().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-2-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Turn PCMCIACardState into a device.
Move callbacks to new PCMCIACardClass.
Derive TYPE_MICRODRIVE from TYPE_PCMCIA_CARD.
Replace ide_init2_with_non_qdev_drives().
Signed-off-by: Othmar Pasteka <pasteka@kabsi.at>
Signed-off-by: Andreas Färber <afaerber@suse.de>
The qdev_free() function name is misleading since all the function does
is unlink the device from its parent. The device is not necessarily
freed.
The device will be freed when its QObject refcount reaches zero. It is
usual for the parent (bus) to hold the final reference but there are
cases where something else holds a reference so "free" is a misleading
name.
Call object_unparent(obj) directly instead of having a qdev wrapper
function.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Move state struct, type constant and cast macro to a new header.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Move state struct, type constant and cast macro to a new header.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
