Most changes here are hotplug related:
This merges hotplug infrastructure changes by Igor,
some acpi related fixes, and PC fixes.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
acpi,pc,pci fixes and enhancements
Most changes here are hotplug related:
This merges hotplug infrastructure changes by Igor,
some acpi related fixes, and PC fixes.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Mon 10 Feb 2014 09:13:26 GMT using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.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: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream:
ACPI: Remove commented-out code from HPET._CRS
hw/pci: switch to a generic hotplug handling for PCIDevice
pci/pcie: convert PCIE hotplug to use hotplug-handler API
pci/shpc: convert SHPC hotplug to use hotplug-handler API
acpi/piix4pm: convert ACPI PCI hotplug to use hotplug-handler API
qdev:pci: refactor PCIDevice to use generic "hotpluggable" property
hw/acpi: move typeinfo to the file end
qdev: add "hotpluggable" property to Device
qdev: add to BusState "hotplug-handler" link
define hotplug interface
loader: document that errno is set
pc.c: better error message on initrd sizing failure
pc_piix: enable legacy hotplug for Xen
qtest: don't report signals if qtest driver enabled
hw:piix4:acpi: reuse pcihp code for legacy PCI hotplug
pcihp: remove unused AcpiPciHpPciStatus.device_present field
pcihp: make pci_read() mmio calback compatible with legacy ACPI hotplug
pcihp: make PCI hotplug mmio handlers indifferent to PCI_HOTPLUG_ADDR
pcihp: replace enable|disable_device() with oneliners
pcihp: reduce number of device check events
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
make qdev_unplug()/device_set_realized() to call hotplug handler's
plug/unplug methods if available and remove not needed anymore
hot(un)plug handling from PCIDevice.
In case if hotplug handler is not available, revert to the legacy
hotplug method for compatibility with not yet converted buses.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Split pcie_cap_slot_hotplug() into hotplug/unplug callbacks
and register them as "hotplug-handler" interface implementation of
PCIE_SLOT device.
Replace pci_bus_hotplug() wiring with setting link on PCI BUS
"hotplug-handler" property to PCI_BRIDGE_DEV device.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Split shpc_device_hotplug() into hotplug/unplug callbacks
and register them as "hotplug-handler" interface implementation of
PCI_BRIDGE_DEV device.
Replace pci_bus_hotplug() wiring with setting link on PCI BUS
"hotplug-handler" property to PCI_BRIDGE_DEV device.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Split piix4_device_hotplug() into hotplug/unplug callbacks
and register them as "hotplug-handler" interface implementation of
PIIX4_PM device.
Replace pci_bus_hotplug() wiring with setting link on
PCI BUS "hotplug-handler" property to PIIX4_PM device.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Get rid of PCIDevice specific PCIDeviceClass.no_hotplug and use
generic DeviceClass.hotpluggable field instead.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Currently it's possible to make PCIDevice not hotpluggable
by using no_hotplug field of PCIDeviceClass. However it
limits this only to PCI devices and prevents from
generalizing hotplug code.
So add similar field to DeviceClass so it could be reused
with other Devices and would allow to replace PCI specific
hotplug callbacks with generic implementation. Following
patches will replace PCIDeviceClass.no_hotplug with this
new property.
In addition expose field as "hotpluggable" readonly property,
to make it possible to read its value via QOM interface.
Make DeviceClass hotpluggable by default as it was assumed
before.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
It will allow to reuse field with different BUSes,
reducing code duplication. Field is intended for
replacing 'hotplug_qdev' field in PCIBus and also
will allow to avoid adding equivalent field to
DimmBus with possiblitity to refactor other BUSes
to use it instead of custom field.
In addition once all users of allow_hotplug field
are converted to new API, link could replace
allow_hotplug field in qdev hotplug code.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Provide a generic hotplug interface for hotplug handlers.
Intended for replacing hotplug mechanism used by
PCI/PCIE/SHPC code and will be used for memory hotplug.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Document that get_image_size sets errno
on failure.
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This patch adds support for the Fast Ethernet MAC found on Allwinner
SoCs, together with a basic emulation of Realtek RTL8201CP PHY.
Since there is no public documentation of the Allwinner controller, the
implementation is based on Linux kernel driver.
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Reviewed-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 GICC_APRn registers are not currently supported by the ARM GIC v2.0
emulation. This patch adds the missing state.
Note that we also change the number of APRs to use a define GIC_NR_APRS
based on the maximum number of preemption levels. This patch also adds
RAZ/WI accessors for the four registers on the emulated CPU interface.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add a binary_point field to the gic emulation structure and support
setting/getting this register now when we have it. We don't actually
support interrupt grouping yet, oh well.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Right now the arm gic emulation doesn't keep track of the source of an
SGI (which apparently Linux guests don't use, or they're fine with
assuming CPU 0 always).
Add the necessary matrix on the GICState structure and maintain the data
when setting and clearing the pending state of an IRQ and make the state
visible to the guest.
Note that we always choose to present the source as the lowest-numbered
CPU in case multiple cores have signalled the same SGI number to a core
on the system.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20140204-1' into staging
migration/next for 20140204
# gpg: Signature made Tue 04 Feb 2014 15:52:00 GMT using RSA key ID 5872D723
# gpg: Can't check signature: public key not found
* remotes/juanquintela/tags/migration/20140204-1:
Don't abort on memory allocation error
Don't abort on out of memory when creating page cache
XBZRLE cache size should not be larger than guest memory size
migration:fix free XBZRLE decoded_buf wrong
Add check for cache size smaller than page size
Set xbzrle buffers to NULL after freeing them to avoid double free errors
exec: fix ram_list dirty map optimization
vmstate: Make VMSTATE_STRUCT_POINTER take type, not ptr-to-type
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
reduces acpi PCI hotplug code duplication by ~200LOC
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Remove now unused 'device_present' field wich was obsoleted by
patch "pcihp: reduce number of device check events"
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
due to recent change introduced by:
"pcihp: reduce number of device check events"
'up' field is cleared right after it's read.
This is incompatible with legacy BIOS ACPI code
where PCNF ACPI method reads this field 32 times.
To make pci_read mmio callback compatible with legacy
'up' behavior, pcihp code will need to know in which
mode it runs add 'legacy_piix' field to AcpiPciHpState
structure and alter register behavior accordingly.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
PIIX created a made-up value for the UP register since it was read by
guest 32 times for each interrupt.
There's no reason to do this for the new PCIHP: register is only read
once for each interrupt, so clean up code by making read act as an
interrupt acknowledgement: the new UP register clear on read.
In this way we cut down the number of bus rescans
by a factor of 32, and drop a bunch of code that's
now unused.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
the initial sclp defines (without code yet) for standby memory (some
sort of memory hotplug) as well as a cleanup of the kvm register
synchronization.
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Merge remote-tracking branch 'remotes/borntraeger/tags/kvm-s390-20140131' into staging
This patch set contains the sclp defines and events for cpu hotplug,
the initial sclp defines (without code yet) for standby memory (some
sort of memory hotplug) as well as a cleanup of the kvm register
synchronization.
# gpg: Signature made Fri 31 Jan 2014 08:54:29 GMT using RSA key ID B5A61C7C
# gpg: Can't check signature: public key not found
* remotes/borntraeger/tags/kvm-s390-20140131:
s390x/kvm: cleanup partial register handling
sclp-s390: Define new SCLP codes and structures
s390-sclp: SCLP Event integration
s390-sclp: SCLP CPU Info
s390-sclp: Define New SCLP Codes
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The VMSTATE_STRUCT_POINTER macros are a bit odd in that they
must be passed an argument "FooType *" rather than just taking
the FooType. They're only used in one place, so it's easy to
tidy this up. This also lets us use the macro to replace the
hand-rolled VMSTATE_PTIMER.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Instead of hardcoding 16 various places in the code, use a define to
make it more clear what is going on.
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Define new SCLP codes and structures that will be needed for
s390 memory hotplug.
Signed-off-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
The ram_below_4g value will be useful in other places, such as the ACPI
table code, and other code that currently requires passing
below_4g_mem_size around in function arguments.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
use C headers defines as source of IO base/len for respective
values in ASL code.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
.. use IO port 0cd8-0xcf7 range for CPU present bitmap
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
.. so it could be used for adding CPU hotplug to Q35 machine
Add an additional header with that will be shared between
C and ASL code: include/hw/acpi/cpu_hotplug_defs.h
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add support for acpi pci hotplug using the
new infrastructure.
PIIX4 legacy interface is maintained as is for
machine types 1.7 and older.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add ACPI based PCI hotplug library with bridge hotplug
support.
Design
- each bus gets assigned "bsel" property.
- ACPI code writes this number
to a new BNUM register, then uses existing
UP/DOWN registers to probe slot status;
to eject, write number to BNUM register,
then slot into existing EJ.
The interface is actually backwards-compatible with
existing PIIX4 ACPI (though not migration compatible).
This is split out from PIIX4 codebase so we can
reuse it for Q35 as well.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
AppleSMC (-device isa-applesmc) is required to boot OS X guests.
OS X expects a SMC node to be present in the ACPI DSDT. This patch
adds a SMC node to the DSDT, and dynamically patches the return value
of SMC._STA to either 0x0B if the chip is present, or otherwise to 0x00,
before booting the guest.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add an sclp event for "cpu was hot plugged". This allows Qemu to deliver an
SCLP interrupt to the guest stating that the requested cpu hotplug was
completed.
Signed-off-by: Jason J. Herne <jjherne@us.ibm.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Implement the CPU data in SCLP "Read SCP Info". And implement "Read CPU Info"
SCLP command. This data will be used by the guest to get information about hot
plugged cpus.
Signed-off-by: Jason J. Herne <jjherne@us.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Define new SCLP codes to improve code readability.
Signed-off-by: Jason J. Herne <jjherne@us.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This patch adds support for special usb descriptors used by microsoft
windows. They allow more fine-grained control over driver binding and
adding entries to the registry for configuration.
As this is a guest-visible change the "msos-desc" compat property
has been added to turn this off for 1.7 + older
Signed-off-by: Gerd Hoffmann <kraxel@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>
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>
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>
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>
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>
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>
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>
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>
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 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>
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>
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>
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>
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 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>
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>
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>
Rename NCPU to GIC_NCPU and move GICState away from gic_internal.h.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
* agraf/ppc-for-upstream: (29 commits)
spapr: Use DeviceClass::fw_name for device tree CPU node
target-ppc: Fill in OpenFirmware names for some PowerPCCPU families
target-ppc: dump-guest-memory support
dump-guest-memory: Check for the correct return value
target-ppc: Use #define for max slb entries
target-ppc: Check for error on address translation in memsave command
target-ppc: Update slb array with correct index values.
spapr-pci: enable irqfd for INTx
xics-kvm: enable irqfd for MSI
xics: Implement H_XIRR_X
xics: Implement H_IPOLL
xics-kvm: Support for in-kernel XICS interrupt controller
xics: add cpu_setup callback
xics: split to xics and xics-common
xics: add missing const specifiers to TypeInfo
xics: convert init() to realize()
xics: add pre_save/post_load dispatchers
xics: replace fprintf with error_report
spapr: move cpu_setup after kvmppc_set_papr
xics: move reset and cpu_setup
...
Message-id: 1382736474-32128-1-git-send-email-agraf@suse.de
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
This includes some pretty big changes:
- pci master abort support by Marcel
- pci IRQ API rework by Marcel
- acpi generation support by myself
Everything has gone through several revisions, latest versions have been on
list for a while without any more comments, tested by several
people.
Please pull for 1.7.
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, acpi fixes, enhancements
This includes some pretty big changes:
- pci master abort support by Marcel
- pci IRQ API rework by Marcel
- acpi generation support by myself
Everything has gone through several revisions, latest versions have been on
list for a while without any more comments, tested by several
people.
Please pull for 1.7.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Tue 15 Oct 2013 07:33:48 AM CEST using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
* mst/tags/for_anthony: (39 commits)
ssdt-proc: update generated file
ssdt: fix PBLK length
i386: ACPI table generation code from seabios
pc: use new api to add builtin tables
acpi: add interface to access user-installed tables
hpet: add API to find it
pvpanic: add API to access io port
ich9: APIs for pc guest info
piix: APIs for pc guest info
acpi/piix: add macros for acpi property names
i386: define pc guest info
loader: allow adding ROMs in done callbacks
i386: add bios linker/loader
loader: use file path size from fw_cfg.h
acpi: ssdt pcihp: updat generated file
acpi: pre-compiled ASL files
acpi: add rules to compile ASL source
i386: add ACPI table files from seabios
q35: expose mmcfg size as a property
q35: use macro for MCFG property name
...
Message-id: 1381818560-18367-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
Commit 9b8c69243 (since reverted) broke the ability to boot the kernel
as the value returned by unassigned_mem_read returned non-zero and left
the kernel looping forever waiting for it to change (see
integrator_led_set in the kernel code).
Relying on a varying implementation detail is incorrect anyway so this
introduces a basic stub of a memory region for the debug/LED section
on the integrator board.
Signed-off-by: Alex Bennée <alex@bennee.com>
Message-id: 1382451366-9539-1-git-send-email-alex.bennee@linaro.org
[PMM: removed three unused fields from struct IntegratorDebugState]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Instead of relying on cpu_model, obtain the device tree node label
per CPU. Use DeviceClass::fw_name as source.
Whenever DeviceClass::fw_name is unknown, default to "PowerPC,UNKNOWN".
As a consequence, spapr_fixup_cpu_dt() can operate on each CPU's fw_name,
obsoleting sPAPREnvironment::cpu_model, and spapr_create_fdt_skel() can
drop its cpu_model argument.
Signed-off-by: Prerna Saxena <prerna@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This implements H_XIRR_X hypercall in addition to H_XIRR as
it is mandatory for PAPR+ and there is no way for the guest to
detect whether it is supported or not so just add it.
As the Partition Adjunct Option is not supported at the moment,
the CPPR parameter of the hypercall is ignored.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
Recent (host) kernels support emulating the PAPR defined "XICS" interrupt
controller system within KVM. This patch allows qemu to initialize and
configure the in-kernel XICS, and keep its state in sync with qemu's XICS
state as necessary.
This should give considerable performance improvements. e.g. on a simple
IPI ping-pong test between hardware threads, using qemu XICS gives us
around 5,000 irqs/second, whereas the in-kernel XICS gives us around
70,000 irqs/s on the same hardware configuration.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[Mike Qiu <qiudayu@linux.vnet.ibm.com>: fixed mistype which caused ics_set_kvm_state() to fail]
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This adds a cpu_setup callback to the XICS device class (as XICS-KVM
will do it different), xics_cpu_setup() will call it if it is set.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
The upcoming XICS-KVM support will use bits of emulated XICS code.
So this introduces new level of hierarchy - "xics-common" class. Both
emulated XICS and XICS-KVM will inherit from it and override class
callbacks when required.
The new "xics-common" class implements:
1. replaces static "nr_irqs" and "nr_servers" properties with
the dynamic ones and adds callbacks to be executed when properties
are set.
2. xics_cpu_setup() callback renamed to xics_common_cpu_setup() as
it is a common part for both XICS'es
3. xics_reset() renamed to xics_common_reset() for the same reason.
The emulated XICS changes:
1. the part of xics_realize() which creates ICPs is moved to
the "nr_servers" property callback as realize() is too late to
create/initialize devices and instance_init() is too early to create
devices as the number of child devices comes via the "nr_servers"
property.
2. added ics_initfn() which does a little part of what xics_realize() did.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The upcoming support of in-kernel XICS will redefine migration callbacks
for both ICS and ICP so classes and callback pointers are added.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
On the real hardware, RTAS is called in real mode and therefore
top 4 bits of the address passed in the call are ignored.
So does the patch.
This converts h_rtas() to use existing rtas_ld() handlers.
This fixed rtas_ld()/rtas_st() to ignore top 4 bits.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
This adds C code for generating ACPI tables at runtime,
imported from seabios git tree
commit 51684b7ced75fb76776e8ee84833fcfb6ecf12dd
Although ACPI tables come from a system BIOS on real hw,
it makes sense that the ACPI tables are coupled with the
virtual machine, since they have to abstract the x86 machine to
the OS's.
This is widely desired as a way to avoid the churn
and proliferation of QEMU-specific interfaces
associated with ACPI tables in bios code.
Notes:
As BIOS can reprogram devices prior to loading
ACPI tables, we pre-format ACPI tables but defer loading
hardware configuration there until tables are loaded.
The code structure was intentionally kept as close
to the seabios original as possible, to simplify
comparison and making sure we didn't lose anything
in translation.
Minor code duplication results, to help ensure there are no functional
regressions, I think it's better to merge it like this and do more code
changes in follow-up patches.
Cross-version compatibility concerns have been addressed:
ACPI tables are exposed to guest as FW_CFG entries.
When running with -M 1.5 and older, this patch disables ACPI
table generation, and doesn't expose ACPI
tables to guest.
As table content is likely to change over time,
the following measures are taken to simplify
cross-version migration:
- All tables besides the RSDP are packed in a single FW CFG entry.
This entry size is currently 23K. We round it up to 64K
to avoid too much churn there.
- Tables are placed in special ROM blob (not mapped into guest memory)
which is automatically migrated together with the guest, same
as BIOS code.
- Offsets where hardware configuration is loaded in ACPI tables
are also migrated, this is in case future ACPI changes make us
rearrange the tables in memory.
This patch reuses some code from SeaBIOS, which was originally under
LGPLv2 and then relicensed to GPLv3 or LGPLv3, in QEMU under GPLv2+. This
relicensing has been acked by all contributors that had contributed to the
code since the v2->v3 relicense. ACKs approving the v2+ relicensing are
listed below. The list might include ACKs from people not holding
copyright on any parts of the reused code, but it's better to err on the
side of caution and include them.
Affected SeaBIOS files (GPLv2+ license headers added)
<http://thread.gmane.org/gmane.comp.bios.coreboot.seabios/5949>:
src/acpi-dsdt-cpu-hotplug.dsl
src/acpi-dsdt-dbug.dsl
src/acpi-dsdt-hpet.dsl
src/acpi-dsdt-isa.dsl
src/acpi-dsdt-pci-crs.dsl
src/acpi.c
src/acpi.h
src/ssdt-misc.dsl
src/ssdt-pcihp.dsl
src/ssdt-proc.dsl
tools/acpi_extract.py
tools/acpi_extract_preprocess.py
Each one of the listed people agreed to the following:
> If you allow the use of your contribution in QEMU under the
> terms of GPLv2 or later as proposed by this patch,
> please respond to this mail including the line:
>
> Acked-by: Name <email address>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Jason Baron <jbaron@akamai.com>
Acked-by: David Woodhouse <David.Woodhouse@intel.com>
Acked-by: Gleb Natapov <gleb@redhat.com>
Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
Acked-by: Dave Frodin <dave.frodin@se-eng.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Kevin O'Connor <kevin@koconnor.net>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Acked-by: Isaku Yamahata <yamahata@valinux.co.jp>
Acked-by: Magnus Christensson <magnus.christensson@intel.com>
Acked-by: Hu Tao <hutao@cn.fujitsu.com>
Acked-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add API to find HPET using QOM.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add API to find pvpanic device and get its io port.
Will be used to fill in guest info structure.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This adds APIs that will be used to fill in
acpi tables, implemented using QOM,
to various ich9 components.
Some information is still missing in QOM,
so we fall back on lookups by type instead.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This adds APIs that will be used to fill in guest acpi tables.
Some required information is still lacking in QOM, so we
fall back on lookups by type and returning explicit types.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This defines a structure that will be used to fill in acpi tables
where relevant properties are not yet available using QOM.
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Avoid a bit of code duplication, make
max file path constant reusable.
Suggested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Address is already exposed, expose size for symmetry.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Useful to make it accessible through QOM.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Callers pass in the address so it's helpful for
them to be able to decode it.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Make it possible to test unmapped status through QMP.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Support ROM blobs not mapped into guest memory:
same as ROM files really but use caller's buffer.
Support invoking callback on access and
return memory pointer making it easier
for caller to update memory if necessary.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Instead of exposing the the irq field,
pci wrappers to qemu_set_irq or qemu_irq_*
can be used.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The fields hpev_intx and aer_intx were removed because
both AER and hot-plug events must use device's interrupt.
Assert/deassert interrupts using pci irq wrappers instead.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Interrupt pin is selected and saved into PCI_INTERRUPT_PIN
register during device initialization. Devices should not call
directly qemu_set_irq and specify the INTx pin on each call.
Added pci_* wrappers to replace qemu_set_irq, qemu_irq_raise,
qemu_irq_lower and qemu_irq_pulse, setting the irq
based on PCI_INTERRUPT_PIN.
Added pci_allocate_irq wrapper to be used by devices that
still need PCIDevice infrastructure to assert irqs.
Renamed a static method which was named already pci_set_irq.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
qemu_allocate_irq returns a single qemu_irq.
The interface allows to specify an interrupt number.
qemu_free_irq frees it.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
A MemoryRegion with negative priority was created and
it spans over all the pci address space.
It "intercepts" the accesses to unassigned pci
address space and will follow the pci spec:
1. returns -1 on read
2. does nothing on write
Note: setting the RECEIVED MASTER ABORT bit in the STATUS register
of the device that initiated the transaction will be
implemented in another series
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
When memory regions overlap, priority can be used to specify
which of them takes priority. By making the priority values signed
rather than unsigned, we make it more convenient to implement
a situation where one "background" region should appear only
where no other region exists: rather than having to explicitly
specify a high priority for all the other regions, we can let them take
the default (zero) priority and specify a negative priority for the
background region.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This reverts most of commit 3d1237fb2a.
The commit claims to sort the output of "-device help" "by
functionality rather than alphabetical". Issues:
* The output was unsorted before, not alphabetically sorted.
Misleading, but harmless enough.
* The commit doesn't just sort the output of "-device help" as it
claims, it adds categories to each line of "-device help", and it
prints devices once per category. In particular, devices without a
category aren't shown anymore. Maybe such devices should not exist,
but they do. Regression.
* Categories are also added to the output of "info qdm". Silent
change, not nice. Output remains unsorted, unlike "-device help".
I'm going to reimplement the feature we actually want, without the
warts. Reverting the flawed commit first should make it easier to
review. However, I can't revert it completely, since DeviceClass
member categories has been put to use. So leave that part in.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel.a@redhat.com>
Message-id: 1381410021-1538-2-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
* Fix for X86CPU model field of qemu32/qemu64 CPU models
* Bug fix for longjmp on FreeBSD
* Removal of unused function
* Confinement of clone syscall infrastructure to linux-user
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Merge remote-tracking branch 'afaerber/tags/qom-cpu-for-anthony' into staging
QOM CPUState refactorings / X86CPU
* Fix for X86CPU model field of qemu32/qemu64 CPU models
* Bug fix for longjmp on FreeBSD
* Removal of unused function
* Confinement of clone syscall infrastructure to linux-user
# gpg: Signature made Wed 09 Oct 2013 03:40:51 AM PDT using RSA key ID 3E7E013F
# gpg: Can't check signature: public key not found
# By Andreas Färber (2) and others
# Via Andreas Färber
* afaerber/tags/qom-cpu-for-anthony:
cpu: Drop cpu_model_str from CPU_COMMON
cpu: Move cpu_copy() into linux-user
cputlb: Remove dead function tlb_update_dirty()
cpu-exec: Also reload CPUClass *cc after longjmp return in cpu_exec()
target-i386: Set model=6 on qemu64 & qemu32 CPU models
