Commit Graph

362 Commits

Author SHA1 Message Date
Edgar E. Iglesias ab1da85791 exec: Make stl_*_phys input an AddressSpace
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11 22:57:18 +10:00
Edgar E. Iglesias fdfba1a298 exec: Make ldl_*_phys input an AddressSpace
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-11 22:56:54 +10:00
Beniamino Galvani db7dfd4c7e hw/arm/allwinner-a10: initialize EMAC
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>
2014-02-08 14:50:48 +00:00
Beniamino Galvani 22f90bcb2b hw/net: add support for Allwinner EMAC Fast Ethernet controller
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>
2014-02-08 14:50:48 +00:00
Christoffer Dall a9d477c4e3 arm_gic: Add GICC_APRn state to the GICState
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>
2014-02-08 14:50:48 +00:00
Christoffer Dall aa7d461ae9 arm_gic: Support setting/getting binary point reg
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>
2014-02-08 14:50:48 +00:00
Christoffer Dall 40d225009e arm_gic: Keep track of SGI sources
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>
2014-02-08 14:47:28 +00:00
Peter Maydell 3ea3bd6245 migration/next for 20140204
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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>
2014-02-08 13:12:50 +00:00
Peter Maydell 2b2449f7e4 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.
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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>
2014-02-04 18:46:33 +00:00
Peter Maydell 20bcf73fa8 vmstate: Make VMSTATE_STRUCT_POINTER take type, not ptr-to-type
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>
2014-02-04 15:51:45 +01:00
Edgar E. Iglesias ce603d8ef1 cris: Remove the CRIS PIC glue
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-03 14:04:00 +00:00
Christoffer Dall 41ab7b5510 arm_gic: Introduce define for GIC_NR_SGIS
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>
2014-01-31 14:47:38 +00:00
Matthew Rosato 234eef51a1 sclp-s390: Define new SCLP codes and structures
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>
2014-01-28 12:22:33 +01:00
Eduardo Habkost f30ee8a968 pc: Save size of RAM below 4GB
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>
2014-01-26 13:11:45 +02:00
Igor Mammedov e4cf8ed08a pc: ACPI: unify source of CPU hotplug IO base/len
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>
2014-01-26 13:11:44 +02:00
Igor Mammedov d6610bc2ad acpi: ich9: add CPU hotplug handling to Q35 machine
.. 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>
2014-01-26 13:11:44 +02:00
Igor Mammedov 81cea5e7f2 acpi: factor out common cpu hotplug code for PIIX4/Q35
.. 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>
2014-01-26 13:11:44 +02:00
Michael S. Tsirkin 9e047b9824 piix4: add acpi pci hotplug support
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>
2014-01-26 13:11:44 +02:00
Michael S. Tsirkin db4728e6fe pcihp: generalization of piix4 acpi
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>
2014-01-26 13:06:49 +02:00
Michael S. Tsirkin eb0acfdde6 pci: add pci_for_each_bus_depth_first
Useful for ACPI hotplug.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:06:49 +02:00
Gabriel L. Somlo 15bce1b7c5 Add DSDT node for AppleSMC
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>
2014-01-26 13:06:48 +02:00
Jason J. Herne 492044581c s390-sclp: SCLP Event integration
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>
2014-01-21 16:48:39 +01:00
Jason J. Herne 8cc3aecf84 s390-sclp: SCLP CPU Info
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>
2014-01-21 16:20:57 +01:00
Jason J. Herne 5f04c14a10 s390-sclp: Define New SCLP Codes
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>
2014-01-21 16:20:54 +01:00
Gerd Hoffmann 5319dc7b42 usb: add support for microsoft os descriptors
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>
2014-01-16 12:59:59 +01:00
Edgar E. Iglesias 133fe77437 Merge remote branch 'luiz/queue/qmp' into qmpq
* luiz/queue/qmp:
  migration: qmp_migrate(): keep working after syntax error
  qerror: Remove assert_no_error()
  qemu-option: Remove qemu_opts_create_nofail
  target-i386: Remove assert_no_error usage
  hw: Remove assert_no_error usages
  qdev: Delete dead code
  error: Add error_abort
  monitor: add object-add (QMP) and object_add (HMP) command
  monitor: add object-del (QMP) and object_del (HMP) command
  qom: catch errors in object_property_add_child
  qom: fix leak for objects created with -object
  rng: initialize file descriptor to -1
  qemu-monitor: HMP cpu-add wrapper
  vl: add missing transition debug->finish_migrate

Message-Id: 1389045795-18706-1-git-send-email-lcapitulino@redhat.com
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-01-14 12:10:08 +10:00
Anthony Liguori debe40fbc5 Merge remote-tracking branch 'stefanha/block' into staging
* 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>
2014-01-10 11:05:05 -08:00
Anthony Liguori d1819762fc 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>
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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>
2014-01-10 11:04:48 -08:00
Anthony Liguori c06f13c6da 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
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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
  ...
2014-01-09 11:24:48 -08:00
Anthony Liguori 666eb032d3 Merge remote-tracking branch 'mjt/trivial-patches' into staging
* 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>
2014-01-09 11:24:12 -08:00
Christoffer Dall 04050c5c6a arm_gic: Rename GIC_X_TRIGGER to GIC_X_EDGE_TRIGGER
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>
2014-01-08 19:07:22 +00:00
Peter Crosthwaite 5433a0a89e hw: Remove assert_no_error usages
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>
2014-01-06 15:02:30 -05:00
Stefan Weil 52975c313e pxa27x: Add 'const' attribute to keyboard maps
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>
2014-01-01 18:03:55 +04:00
Stefan Weil f57d6693e1 pxa27x: Reduce size of keyboard matrix mapping
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>
2014-01-01 18:03:55 +04:00
xiaoqiang zhao db0f888848 ioapic: QOM'ify ioapic
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>
2013-12-24 18:02:18 +01:00
xiaoqiang zhao 494c271784 icc_bus: QOM'ify ICC
For consistency, QOM'ify APIC's parent bus.

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-12-24 18:02:18 +01:00
xiaoqiang zhao ff6986ce61 apic: QOM'ify APIC
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>
2013-12-24 18:02:18 +01:00
Stefan Hajnoczi 6780a22cc7 qdev: Drop misleading qbus_free() function
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>
2013-12-24 18:02:18 +01:00
Markus Armbruster c272758f93 qdev: Document that pointer properties kill device_add
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>
2013-12-24 17:27:17 +01:00
Gerd Hoffmann ddaaefb4dd piix: fix 32bit pci hole
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>
2013-12-23 18:02:23 +02:00
Paolo Bonzini dcc209314a qdev: switch reset to post-order
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>
2013-12-23 13:12:35 +02:00
Paolo Bonzini 0293214b8c qdev: allow both pre- and post-order vists in qdev walking functions
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>
2013-12-23 13:12:35 +02:00
Paolo Bonzini 81e3e75b64 pci: do not export pci_bus_reset
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>
2013-12-23 13:12:35 +02:00
Igor Mammedov 0631350328 acpi: factor out common pm_update_sci() into acpi core
... 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>
2013-12-23 13:12:34 +02:00
Markus Armbruster efec3dd631 qdev: Replace no_user by cannot_instantiate_with_device_add_yet
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>
2013-12-23 00:27:22 +01:00
Paolo Bonzini 87b7f2f8c8 dataplane: replace hostmem with memory_region_find
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-12-20 09:11:57 +01:00
Paolo Bonzini 8c1b566fd1 dataplane: change vring API to use VirtQueueElement
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-12-20 09:11:57 +01:00
Alexey Kardashevskiy 3ada6b1137 spapr-rtas: add ibm, (get|set)-system-parameter
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>
2013-12-20 01:57:59 +01:00
Alexey Kardashevskiy a64d325df1 spapr-rtas: replace return code constants with macros
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-12-20 01:57:59 +01:00
liguang 9158fa5451 hw/arm: add allwinner a10 SoC support
Signed-off-by: liguang <lig.fnst@cn.fujitsu.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 1387159292-10436-5-git-send-email-lig.fnst@cn.fujitsu.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-12-17 20:12:51 +00:00