Move PCIEPort's "port" property to the new type, same for "aer_log_max".
Move PCIESlot's "chassis" and "slot" properties to the new type.
Reviewed-by: Don Koch <dkoch@verizon.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Introduce TYPE_PCI_BRIDGE as base type and use PCI_BRIDGE() casts.
Reviewed-by: Don Koch <dkoch@verizon.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
[AF: Updated pbm-bridge parent to TYPE_PCI_BRIDGE]
Signed-off-by: Andreas Färber <afaerber@suse.de>
# By Stefan Hajnoczi (4) and others
# Via Stefan Hajnoczi
* stefanha/block:
dataplane: refuse to start if device is already in use
dataplane: enable virtio-blk x-data-plane=on live migration
migration: fix spice migration
migration: notify migration state before starting thread
block: Repair the throttling code.
gluster: Add image resize support
Message-id: 1375112172-24863-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Categorize devices that appear as output to "-device ?" command
by logical functionality. Sort the devices by logical categories
before showing them to user.
The sort is done by functionality rather than alphabetical.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Message-id: 1375107465-25767-3-git-send-email-marcel.a@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Made small tweaks in code to prevent compilation issues
when importing qemu/bitmap.h in qdev-core
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Message-id: 1375107465-25767-2-git-send-email-marcel.a@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Basically, in HW the layout of the interrupt network is:
- One ICP per processor thread (the "presenter"). This contains the
registers to fetch a pending interrupt (ack), EOI, and control the
processor priority.
- One ICS per logical source of interrupts (ie, one per PCI host
bridge, and a few others here or there). This contains the per-interrupt
source configuration (target processor(s), priority, mask) and the
per-interrupt internal state.
Under PAPR, there is a single "virtual" ICS ... somewhat (it's a bit
oddball what pHyp does here, arguably there are two but we can ignore
that distinction). There is no register level access. A pair of firmware
(RTAS) calls is used to configure each virtual interrupt.
So our model here is somewhat the same. We have one ICS in the emulated
XICS which arguably *is* the emulated XICS, there's no point making it a
separate "device", that would just be gross, and each VCPU has an
associated ICP.
Yet we call the "XICS" struct icp_state and then the ICPs
'struct icp_server_state'. It's particularly confusing when all of the
functions have xics_prefixes yet take *icp arguments.
Rename:
struct icp_state -> XICSState
struct icp_server_state -> ICPState
struct ics_state -> ICSState
struct ics_irq_state -> ICSIRQState
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-id: 1374175984-8930-12-git-send-email-aliguori@us.ibm.com
[aik: added ics_resend() on post_load]
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
At present, the savevm / migration support for the pseries machine will not
work when KVM is enabled. That's because KVM manages the guest's hash page
table in the host kernel, so qemu has no visibility of it. This patch
fixes this by using new kernel interfaces to extract and reinsert the
guest's hash table during the migration process.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Message-id: 1374175984-8930-11-git-send-email-aliguori@us.ibm.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This adds the necessary support for saving the state of the PAPR virtual
PCI host bridge (or host bridges).
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1374175984-8930-10-git-send-email-aliguori@us.ibm.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This adds the necessary pieces to implement savevm / migration for the
pseries machine. The most complex part here is migrating the hash
table - for the paravirtualized pseries machine the guest's hash page
table is not stored within guest memory, but externally and the guest
accesses it via hypercalls.
This patch uses a hypervisor reserved bit of the HPTE as a dirty bit
(tracking changes to the HPTE itself, not the page it references).
This is used to implement a live migration style incremental save and
restore of the hash table contents.
Normally a hash table is 16MB but it can get bigger depending on how
much RAM the guest has. Due to its nature, updates to it are random so
the live migration style is used for it.
In addition it adds VMStateDescription information to save and restore
the (few) remaining pieces of state information needed by the pseries
machine.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1374175984-8930-9-git-send-email-aliguori@us.ibm.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Model TCE tables as a device that's hooked up as a child object to
the owner. Besides the code cleanup, we get a few nice benefits:
1) free actually works now (it was dead code before)
2) the TCE information is visible in the device tree
3) we can expose table information as properties such that if we
change the window_size, we can use globals to keep migration
working.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-id: 1374175984-8930-6-git-send-email-aliguori@us.ibm.com
[dwg: pseries: savevm support for PAPR TCE tables]
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
[alexey: ppc kvm: fix to compile]
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This patch adds helpers to allow PAPR VIO devices to save state common
to all VIO devices during savevm.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1374175984-8930-3-git-send-email-aliguori@us.ibm.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Although the dataplane thread does not cooperate with dirty memory
logging yet it's fairly easy to temporarily disable dataplane during
live migration. This way virtio-blk can live migrate when
x-data-plane=on.
The dataplane thread will restart after migration is cancelled or if the
guest resuming virtio-blk operation after migration completes.
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Bug description: QEMU currently gets all bits from GET_SUPPORTED_CPUID
for CPUID leaf 0xA and passes them directly to the guest. This makes
the guest ABI depend on host kernel and host CPU capabilities, and
breaks live migration if we migrate between hosts with different
capabilities (e.g., different number of PMU counters).
Add a "pmu" property to X86CPU, and set it to true only on "-cpu host",
or on pc-*-1.5 and older machine-types.
For now, setting pmu=on will enable the current passthrough mode that
doesn't have any ABI stability guarantees, but in the future we may
implement a mode where the PMU CPUID bits are stable and configurable.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Introduces a new Xen PV PCI device which will act as a binding point for
PV drivers for Xen.
The device has parameterized vendor-id, device-id and revision to allow to
be configured as a binding point for any vendor's PV drivers.
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
The Linux kernel can be configured to use 64KB pages, but it also
requires initrd to be page aligned. Therefore, to be safe, align the
initrd to 64KB using a new INITRD_PAGE_MASK rather than
TARGET_PAGE_MASK.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
It is not used anymore.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1374501278-31549-15-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Let scsi_bus_legacy_add_drive() and scsi_bus_legacy_handle_cmdline()
return an Error**. Prepare qdev initfns for QOM realize error model.
Signed-off-by: Andreas Färber <afaerber@suse.de>
And remove variables if possible.
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
[AF: Converted remaining access and renamed to parent_obj]
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Merge remote-tracking branch 'pmaydell/tags/pull-arm-devs-20130722' into staging
arm-devs queue
# gpg: Signature made Mon 22 Jul 2013 06:38:52 AM CDT using RSA key ID 14360CDE
# gpg: Can't check signature: public key not found
# By Peter Maydell (8) and Soren Brinkmann (2)
# Via Peter Maydell
* pmaydell/tags/pull-arm-devs-20130722:
hw/arm: Use 'load_ramdisk()' for loading ramdisks w/ U-Boot header
hw/loader: Support ramdisk with u-boot header
vexpress: Add virtio-mmio transports
vexpress: Make VEDBoardInfo extend arm_boot_info
arm/boot: Allow boards to modify the FDT blob
virtio: Implement MMIO based virtio transport
virtio: Support transports which can specify the vring alignment
virtio: Add support for guest setting of queue size
arm/boot: Use qemu_devtree_setprop_sized_cells()
device_tree: Add qemu_devtree_setprop_sized_cells() utility functions
Message-id: 1374493427-3254-1-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Introduce 'load_ramdisk()' which can load "normal" ramdisks and ramdisks
with a u-boot header.
To enable this and leverage synergies 'load_uimage()' is refactored to
accomodate this additional use case.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1373323202-17083-2-git-send-email-soren.brinkmann@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add a callback hook in arm_boot_info to allow board models to
modify the device tree blob if they need to. (The major expected
use case is to add virtio-mmio nodes for virtio-mmio transports
that exist in QEMU but not in the hardware.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1373977512-28932-7-git-send-email-peter.maydell@linaro.org
Support virtio transports which can specify the vring alignment
(ie where the guest communicates this to the host) by providing
a new virtio_queue_set_align() function. (The default alignment
remains as before.)
Transports which wish to make use of this must set the
has_variable_vring_alignment field in their VirtioBusClass
struct to true; they can then change the alignment via
virtio_queue_set_align().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1373977512-28932-5-git-send-email-peter.maydell@linaro.org
The MMIO virtio transport spec allows the guest to tell the host how
large the queue size is. Add virtio_queue_set_num() function which
implements this in the QEMU common virtio support code.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1373977512-28932-4-git-send-email-peter.maydell@linaro.org
Load the virtio.c state into vring.c when we start dataplane mode and
vice versa when stopping dataplane mode. This patch makes it possible
to start and stop dataplane any time while the guest is running.
This will eventually allow us to go back to QEMU main loop for
bdrv_drain_all() and live migration. In the meantime, this patch makes
the dataplane lifecycle more robust but should make no visible
difference. It may be useful in the virtio-net dataplane effort.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This includes some fixes and enhancements that accumulated in my tree:
pci fixes by dkoch, virtio-net enhancements by akong and mst,
and a fix for xen pc by mst.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
pci,net,pc enhancements
This includes some fixes and enhancements that accumulated in my tree:
pci fixes by dkoch, virtio-net enhancements by akong and mst,
and a fix for xen pc by mst.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Wed 17 Jul 2013 04:44:45 AM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Don Koch (2) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
pc: don't access fw cfg if NULL
virtio-net: add feature bit for any header s/g
net: add support of mac-programming over macvtap in QEMU side
pci: fix BRDIGE typo
pci-bridge: update mappings for migration/restore
Message-id: 1374054430-21966-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Old qemu versions required that 1st s/g entry is the header.
Since QEMU 1.5, patchset titled "virtio-net: iovec handling cleanup"
removed this limitation but a feature bit is needed so guests know it's
safe to lay out header differently.
This patch applies on top and adds such a feature bit to QEMU.
It is set by default for virtio-net.
virtio net header inline with the data is beneficial
for latency and small packet bandwidth - guest driver
code utilizing this feature has been acked but missed 3.11
by a narrow margin, it's pending for 3.12.
This feature bit is cleared by default when compatibility with old
machine types is requested.
Other performance-sensitive devices (blk and scsi)
don't yet support arbitrary s/g layouts, so
we only set this bit for virtio-net for now.
There are plans to allow arbitrary layouts there, but
no code has been posted yet.
Cc: Rusty Russell <rusty@rustcorp.com.au>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The DBDMA engine really just reads bytes from a producing device (IDE
in our case) and shoves these bytes into memory. It doesn't care whether
any alignment takes place or not.
Our code today however assumes that block accesses always happen on
sector (512 byte) boundaries. This is a fair assumption for most cases.
However, Mac OS X really likes to do unaligned, incomplete accesses
that it finishes with the next DMA request.
So we need to read / write the unaligned bits independent of the actual
asynchronous request, because that one can only handle 512-byte-aligned
data. We also need to cache these unaligned sectors until the next DMA
request, at which point the data might be successfully flushed from the
pipe.
Signed-off-by: Alexander Graf <agraf@suse.de>
Soon we will introduce intermediate processing pauses which will
allow the bottom half to restart a DMA request that couldn't be
fulfilled yet.
For that to work, move the processing variable into the io struct
which is what DMA providers work with.
While touching it, also change it into a bool
Signed-off-by: Alexander Graf <agraf@suse.de>
The DBDMA controller has a bottom half to asynchronously process DMA
request queues.
This bh was stored as a gross static variable. Move it into the device
struct instead.
While at it, move all users of it to the new generic kick function.
Signed-off-by: Alexander Graf <agraf@suse.de>
The DBDMA engine really is running all the time, waiting for input. However
we don't want to waste cycles constantly polling.
So introduce a kick function that data providers can call to notify the
DBDMA controller of new input.
Signed-off-by: Alexander Graf <agraf@suse.de>
We usually keep struct and constant definitions in header files. Move
them there to stay consistent and to make access to fields easier.
Signed-off-by: Alexander Graf <agraf@suse.de>
Fix for LP#1187529: Devices on PCI bridge stop working when
live-migrated. Update bridge mappings for all PCI bridge
devices in get_pci_config_device().
Signed-off-by: Don Koch <dkoch@verizon.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Since current_cpu is CPUState it no longer depends on CPUPPCState.
Move ppce500_set_mpic_proxy() to a new hw/ppc/ppc_e500.h because
hw/ppc/ppc.h is too heavily using CPUPPCState and PowerPCCPU.
Signed-off-by: Andreas Färber <afaerber@suse.de>
This includes some pci enhancements:
Better support for systems with multiple PCI root buses
FW cfg interface for more robust pci programming in BIOS
Minor fixes/cleanups for fw cfg and cross-version migration -
because of dependencies with other patches
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
pci,misc enhancements
This includes some pci enhancements:
Better support for systems with multiple PCI root buses
FW cfg interface for more robust pci programming in BIOS
Minor fixes/cleanups for fw cfg and cross-version migration -
because of dependencies with other patches
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 07 Jul 2013 03:11:18 PM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By David Gibson (10) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
pci: Fold host_buses list into PCIHostState functionality
pci: Remove domain from PCIHostBus
pci: Simpler implementation of primary PCI bus
pci: Add root bus parameter to pci_nic_init()
pci: Add root bus argument to pci_get_bus_devfn()
pci: Replace pci_find_domain() with more general pci_root_bus_path()
pci: Use helper to find device's root bus in pci_find_domain()
pci: Abolish pci_find_root_bus()
pci: Move pci_read_devaddr to pci-hotplug-old.c
pci: Cleanup configuration for pci-hotplug.c
pvpanic: fix fwcfg for big endian hosts
pvpanic: initialization cleanup
MAINTAINERS: s/Marcelo/Paolo/
e1000: cleanup process_tx_desc
pc_piix: cleanup init compat handling
pc: pass PCI hole ranges to Guests
pci: store PCI hole ranges in guestinfo structure
range: add Range structure
Message-id: 1373228271-31223-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The host_buses list is an odd structure - a list of pointers to PCI root
buses existing in parallel to the normal qdev tree structure. This patch
removes it, instead putting the link pointers into the PCIHostState
structure, which have a 1:1 relationship to PCIHostBus structures anyway.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
At present, pci_nic_init() and pci_nic_init_nofail() assume that they will
only create a NIC under the primary PCI root. As we add support for
multiple PCI roots, that may no longer be the case. This patch adds a root
bus parameter to pci_nic_init() (and updates callers accordingly) to allow
the machine init code using it to specify the right PCI root for NICs
created by old-style -net nic parameters. NICs created new-style, with
-device can of course be put anywhere.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
pci_get_bus_devfn() interprets a full PCI address string to give a PCIBus *
and device/function number within that bus. Currently it assumes it is
working on an address under the primary PCI root bus. This patch extends
it to allow the caller to specify a root bus. This might seem a little odd
since the supplied address can (theoretically) include a PCI domain number.
However, attempting to use a non-zero domain number there is currently an
error, so that shouldn't really cause problems.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
pci_find_domain() is used in a number of places where we want an id for a
whole PCI domain (i.e. the subtree under a PCI root bus). The trouble is
that many platforms may support multiple independent host bridges with no
hardware supplied notion of domain number.
This patch, therefore, replaces calls to pci_find_domain() with calls to
a new pci_root_bus_path() returning a string. The new call is implemented
in terms of a new callback in the host bridge class, so it can be defined
in some way that's well defined for the platform. When no callback is
available we fall back on the qbus name.
Most current uses of pci_find_domain() are for error or informational
messages, so the change in identifiers should be harmless. The exception
is pci_get_dev_path(), whose results form part of migration streams. To
maintain compatibility with old migration streams, the PIIX PCI host is
altered to always supply "0000" for this path, which matches the old domain
number (since the code didn't actually support domains other than 0).
For the pseries (spapr) PCI bridge we use a different platform-unique
identifier (pseries machines can routinely have dozens of PCI host
bridges). Theoretically that breaks migration streams, but given that we
don't yet have migration support for pseries, it doesn't matter.
Any other machines that have working migration support including PCI
devices will need to be updated to maintain migration stream compatibility.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Currently pci_find_domain() performs two functions - it locates the PCI
root bus above the given bus, then looks up that root bus's domain number.
This patch adds a helper function to perform the first task, finding the
root bus for a given PCI device. This is then used in pci_find_domain().
This changes pci_find_domain()'s signature slightly, taking a PCIDevice
instead of a PCIBus - since all callers passed something of the form
dev->bus, this simplifies things slightly.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
pci_find_root_bus() takes a domain parameter. Currently PCI root buses
with domain other than 0 can't be created, so this is more or less a long
winded way of retrieving the main PCI root bus. Numbered domains don't
actually properly cover the (non x86) possibilities for multiple PCI root
buses, so this patch for now enforces the domain == 0 restriction in other
places to replace pci_find_root_bus() with an explicit
pci_find_primary_bus().
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add ref/unref calls at the following places:
- places where memory regions are stashed by a listener and
used outside the BQL (including in Xen or KVM).
- memory_region_find callsites
- creation of aliases and containers (only the aliased/contained
region gets a reference to avoid loops)
- around calls to del_subregion/add_subregion, where the region
could disappear after the first call
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In case the latter may vanish one day, make sure the vmport read handler
type will remain unaffected. This is also conceptually cleaner.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
pci_read_devaddr() is only used by the legacy functions for the old PCI
hotplug interface in pci-hotplug-old.c. So we move the function there,
and make it static.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Avoid use of static variables: PC systems
initialize pvpanic device through pvpanic_init,
so we can simply create the fw_cfg file at that point.
This also makes it possible to skip device
creation completely if fw_cfg is not there, e.g. for xen -
so the ports it reserves are not discoverable by guests.
Also, make pvpanic_init void since callers ignore return
status anyway.
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Paul Durrant <Paul.Durrant@citrix.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Guest currently has to jump through lots of hoops to guess the PCI hole
ranges. It's fragile, and makes us change BIOS each time we add a new
chipset. Let's report the window in a ROM file, to make BIOS do exactly
what QEMU intends.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Support in fwcfg has been around for exposure of the clock-frequency
CPU property. OpenBIOS reads it, we just never exposed it.
Since Mac OS X is very picky about its clock frequency values, let's
just take a known good value and always expose that.
Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Alexander Graf <agraf@suse.de>
RTAS is a hypervisor provided binary blob that a guest loads and
calls into to execute certain functions. It's similar to the
vsyscall page in Linux or the short lived VMCI paravirt interface
from VMware.
The QEMU implementation of the RTAS blob is simply a passthrough
that proxies all RTAS calls to the hypervisor via an hypercall.
While we pass a CPU argument for hypercall handling in QEMU, we
don't pass it for RTAS calls. Since some RTAs calls require
making hypercalls (normally RTAS is implemented as guest code) we
have nasty hacks to allow that.
Add a CPU argument to RTAS call handling so we can more easily
invoke hypercalls just as guest code would.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Introduce type constant and cast macro.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Enables support for the in-kernel MPIC that thas been merged into the
KVM next branch. This includes irqfd/KVM_IRQ_LINE support from Alex
Graf (along with some other improvements).
Note from Alex regarding kvm_irqchip_create():
On x86, one would call kvm_irqchip_create() to initialize an
in-kernel interrupt controller. That function then goes ahead and
initializes global capability variables as well as the default irq
routing table.
On ppc, we can't call kvm_irqchip_create() because we can have
different types of interrupt controllers. So we want to do all the
things that function would do for us in the in-kernel device init
handler.
Signed-off-by: Scott Wood <scottwood@freescale.com>
[agraf: squash in kvm_irqchip_commit_routes patch, fix non-kvm build,
fix ppcemb]
Signed-off-by: Alexander Graf <agraf@suse.de>
This reverts commit 9f24a8030a.
The start of the PCI hole is actually set to 0xf0000000 by hvmloader.
In order to retain ABI compatibility with Xen we leave the start of the
PCI hole at 0xf0000000 in QEMU (for Xen) too.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
This patch adds a serial property for all usb devices, which can be
used to set the serial number of a usb device (as listed by lsusb -v)
to a specific value. Applies to emulated devices only.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The DMAContext is a simple pointer to an AddressSpace that is now always
already available. Make everyone hold the address space directly,
and clean up the DMA API to use the AddressSpace directly.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Fetch the root region from the sPAPRTCETable, and use it to build
an AddressSpace and DMAContext.
Now, everywhere we have a DMAContext we also have access to the
corresponding AddressSpace (either because we create it just before
the DMAContext, or because dma_context_memory's AddressSpace is
trivially address_space_memory).
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Use the new iommu support in the memory core for iommu support. The only
user, spapr, is also converted, but it still provides a DMAContext
interface until the non-PCI bits switch to AddressSpace.
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Avi Kivity <avi.kivity@gmail.com>
[ Do not calls memory_region_del_subregion() on the device's
bus_master_enable_region, it is an alias; return an AddressSpace
from the IOMMU hook and remove the destructor hook. - David Gibson ]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Now we can stop using a "translating" DMAContext, but we do not yet modify
the sPAPRTCETable users to get an AddressSpace; they keep using the table
via a DMAContext.
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The TCE table is currently returned as a DMAContext, and non-type-safe
APIs are called later passing back the DMAContext. Since we want to move
away from DMAContext, use an opaque type instead, and add an accessor
to retrieve the DMAContext from it.
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1371208516-7857-5-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Initial commit for emulated Non-Volatile-Memory Express (NVMe) pci
storage device.
NVMe is an open, industry driven storage specification defining
an optimized register and command set designed to deliver the full
capabilities of non-volatile memory on PCIe SSDs. Further information
may be found on the organizations website at:
http://www.nvmexpress.org/
This commit implements the minimum from the specification to work with
existing drivers.
Cc: Keith Busch <keith.busch@gmail.com>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* 'realize-isa.v2' of git://github.com/afaerber/qemu-cpu:
qdev: Drop FROM_QBUS() macro
isa: QOM'ify ISADevice
isa: QOM'ify ISABus
i8259: Convert PICCommonState to use QOM realizefn
kvm/i8259: QOM'ify some more
i8259: QOM'ify some more
i8254: Convert PITCommonState to QOM realizefn
kvm/i8254: QOM'ify some more
i8254: QOM'ify some more
isa: Use realizefn for ISADevice
cs4231a: QOM'ify some more
gus: QOM'ify some more
Having size precede the associated pointer is odd. Swap them, and fix
up the types.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Laszlo "ever the optimist" Ersek <lersek@redhat.com>
Message-id: 1370610036-10577-5-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
# By Michael Tokarev (4) and others
# Via Michael Tokarev
* mjt/trivial-patches-next: (26 commits)
piix: fix some printf errors when debug is enabled
cputlb: fix debug logs
create qemu_openpty_raw() helper function and move it to a separate file
main-loop: do not include slirp/slirp.h, use libslirp.h instead
libcacard/vscclient: fix leakage of socket on error paths
linux-headers: Update to v3.10-rc5
KVM: PPC: Add dummy kvm_arch_init_irq_routing()
KVM: S390: Add dummy kvm_arch_init_irq_routing()
KVM: ARM: Add dummy kvm_arch_init_irq_routing()
ivshmem: add missing error exit(2)
hw/xen: Use g_free instead of free and fix potential memory leaks
target-sparc: Replace free by g_free
hw/scsi: Don't increment a boolean value
device tree: Fix cppcheck warning
Makefile: Install qemu-img and qemu-nbd man pages only if built
Unbreak -no-quit for GTK, validate SDL options
gtk: implement -full-screen
char/serial: serial_ioport_write: Factor out common code
char/serial: Use generic Fifo8
char/serial: cosmetic fixes.
...
Message-id: 1371207042-17980-1-git-send-email-mjt@msgid.tls.msk.ru
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Use the generic Fifo8 helper provided by QEMU, rather than re-implement
privately.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
The CPUID level value on Conroe, Penryn, and Nehalem are too low. This
causes at least one known problem: the -smp "threads" option doesn't
work as expect if level is < 4, because thread count information is
provided to the guest on CPUID[EAX=4,ECX=2].EAX
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
The CPUID model values on Conroe, Penryn, and Nehalem are too
conservative and don't reflect the values found on real Conroe, Penryn,
and Nehalem CPUs.
This causes at least one known problems: Windows XP disables sysenter
when (family == 6 && model <= 2), but Skype tries to use the sysenter
instruction anyway because it is reported as available on CPUID, making
it crash.
This patch sets appropriate model values that correspond to real Conroe,
Penryn, and Nehalem CPUs.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Instead of having the parent provide PICCommonClass::init,
let the children override DeviceClass::realize themselves.
This pushes the responsibility of saving and calling the parent's
realizefn to the children.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Instead of having the parent provide PITCommonClass::init,
let the children override DeviceClass::realize themselves.
This pushes the responsibility for saving and calling the parent's
realizefn to the children.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Drop ISADeviceClass::init and the resulting no-op initfn and let
children implement their own realizefn. Adapt error handling.
Split off an instance_init where sensible.
Signed-off-by: Andreas Färber <afaerber@suse.de>
* sstabellini/xen_fixes_20130603:
xen: use pc_init_pci instead of pc_init_pci_no_kvmclock
xen: remove xen_vcpu_init
xen: start PCI hole at 0xe0000000 (same as pc_init1 and qemu-xen-traditional)
xen_machine_pv: do not create a dummy CPU in machine->init
main_loop: do not set nonblocking if xen_enabled()
xen: simplify xen_enabled
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This includes some pci-related cleanups,
and fw cfg cleanups which will be useful for on-going
pci related work.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
pci: misc cleanups
This includes some pci-related cleanups,
and fw cfg cleanups which will be useful for on-going
pci related work.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 02 Jun 2013 02:46:52 PM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Michael S. Tsirkin (8) and Laszlo Ersek (1)
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
pvpanic: use FWCfgState explicitly
fw_cfg: fw_cfg is a singleton
fw_cfg: add API to find FW cfg object
fw_cfg: move typedef to qemu/typedefs.h
refer to FWCfgState explicitly
apic: rename apic specific bitopts
firmware_abi: move to include/hw/nvram/
dec.c - move to pci-bridge
q35: set fw_name
Message-id: 1370202787-3712-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
No need for xen_vcpu_init anymore:
- the RTC emulator doesn't have any periodic timers continuously running
even in absence of guest interactions anymore;
- qemu_dummy_start_vcpu takes care of disabling TCG for us, so we don't
need to do it manually here.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
We are currently setting the PCI hole to start at HVM_BELOW_4G_RAM_END,
that is 0xf0000000.
Start the PCI hole at 0xe0000000 instead, that is the same value used by
pc_init1 and qemu-xen-traditional.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
CC: qemu-stable@nongnu.org
No need for preprocessor conditionals in xen_enabled: xen_allowed is
always defined.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
CC: qemu-stable@nongnu.org
# By Gerd Hoffmann (5) and others
# Via Gerd Hoffmann
* kraxel/usb.83:
xhci: add live migration support
xhci: add xhci_init_epctx
xhci: add xhci_alloc_epctx
xhci: add XHCISlot->addressed
pci: add VMSTATE_MSIX
host-libusb: Correct test for USB packet state
Fix usage of USB_DEV_FLAG_IS_HOST flag.
Message-id: 1370253951-12323-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Using a trick cut+pasted from vmstate_scsi_device
to wind up msix_save and msix_load.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Remove some code duplication by adding a
function to look up the fw cfg file.
This way, we don't need to duplicate same strings everywhere.
Use by both fw cfg and pvpanic device.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Currently some places use pointer-to-void even though they mean
pointer-to-FWCfgState. Clean them up.
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
firmware_abi.h with structs for OpenBIOS landed in hw/sparc/ by mistake
- move it to hw/nvram/ alongside fw_cfg.h. In addition to sparc it's
included from ppc mac_nvram.c and will need to include it from prep.c in
the future.
Acked-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Since it's not defined and used anywhere.
Cc: qemu-trivial@nongnu.org
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
# By Christophe Lyon (1) and others
# Via Michael Tokarev
* mjt/trivial-patches:
target-moxie: replace target_phys_addr_t with hwaddr
Rename hexdump to avoid FreeBSD libutil conflict
remove some double-includes
translate: remove redundantly included qemu/timer.h
Remove twice include of qemu-common.h
fix /proc/self/maps output
Message-id: 51977B44.1000302@msgid.tls.msk.ru
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Virtio-net driver currently negotiates network offloads
on startup via features mechanism and have no ability to
disable and re-enable offloads later.
This patch introduced a new control command that allows
to configure device network offloads state dynamically.
The patch also introduces a new feature flag
VIRTIO_NET_F_CTRL_GUEST_OFFLOADS.
Signed-off-by: Dmitry Fleytman <dfleytma@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20130520081814.GA8162@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Some source files #include the same header more than
once for no good reason. Remove second #includes in
such cases.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This adds virtio_net_set_netclient_name, which is used to set the
name and type shown in "info network" command.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1368619970-23892-2-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This reverts commit 9953f8822c.
While Markus's analysis is entirely correct, there are 1.6 patches
that fix the bug for real and without requiring machine type hacks.
Let's think of the children who will have to read this code, and
avoid a complicated mess of semantics that differ between <1.5,
1.5, and >1.5.
Conflicts:
hw/i386/pc_piix.c
hw/i386/pc_q35.c
include/hw/i386/pc.h
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1368189483-7915-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This changes the model number of 486 to 8 (DX4) which matches the
feature set presented, and actually has the CPUID instruction.
This adds a compatibility property, to keep model=0 on pc-*-1.4 and older.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
[AF: Add compat_props entry]
Tested-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reuse it in qdev_prop_set_globals().
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
[AF: Renamed from qdev_prop_set_custom_globals()]
Signed-off-by: Andreas Färber <afaerber@suse.de>
The bus name is wrong since the refactoring.
This keeps the behaviour of the command line.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1367330931-12994-6-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This adds the possibility to create a scsi-bus with a specified name.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1367330931-12994-4-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Add virtio_device_set_child_bus_name function.
It will be used with virtio-serial-x and virtio-scsi-x to set the
child bus name before calling virtio-x-device's init.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1367330931-12994-3-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
# By Igor Mammedov (21) and others
# Via Andreas Färber
* afaerber/qom-cpu: (29 commits)
Drop redundant resume_all_vcpus() from main()
cpus: Fix pausing TCG CPUs while in vCPU thread
target-i386: Replace cpuid_*features fields with a feature word array
target-i386: Break CPUID feature definition lines
target-i386/kvm.c: Code formatting changes
target-i386: Group together level, xlevel, xlevel2 fields
pc: Implement QEMUMachine::hot_add_cpu hook
QMP: Add cpu-add command
Add hot_add_cpu hook to QEMUMachine
target-i386: Move APIC to ICC bus
target-i386: Attach ICC bus to CPU on its creation
target-i386: Introduce ICC bus/device/bridge
cpu: Move cpu_write_elfXX_note() functions to CPUState
kvmvapic: Make dependency on sysbus.h explicit
target-i386: Replace MSI_SPACE_SIZE with APIC_SPACE_SIZE
target-i386: Do not allow to set apic-id once CPU is realized
target-i386: Introduce apic-id CPU property
target-i386: Introduce feat2prop() for CPU properties
acpi_piix4: Add infrastructure to send CPU hot-plug GPE to guest
cpu: Add helper cpu_exists(), to check if CPU with specified id exists
...
similiar -> similar
recieve -> receive
transfered -> transferred
preperation -> preparation
Most changes are in comments, one modifies a parameter name in a function
prototype.
The spelling fixes were made using codespell.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Hook should be set by machines that implement CPU hot-add
via cpu-add QMP command.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
It allows APIC to be hotplugged.
* map APIC's mmio at board level if it is present
* do not register mmio region for each APIC, since
only one is used/mapped
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
X86CPU should have parent bus so it could provide bus for child APIC.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Provides a hotpluggable bus for APIC and CPU.
* icc-bridge will serve as a parent for icc-bus and provide
mmio mapping services to child icc-devices.
* icc-device will replace SysBusDevice as a parent of APIC
and IOAPIC devices.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Put APIC_SPACE_SIZE in a public header so that it can be
reused elsewhere later.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
It provides updated currently available CPUs count to BIOS on reboot.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
If fw_cfg.h is included alone, gcc gives error messages like these:
error: unknown type name ‘uint32_t’
error: unknown type name ‘size_t’
error: unknown type name ‘hwaddr’
...
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: d63f8bcdbfbec8135b1b57f9247c513a3e25762c.1366945969.git.hutao@cn.fujitsu.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Introduce type constant and cast macro to obsolete DO_UPCAST().
Prepares for ISA realizefn.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-16-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Introduce type constant and cast macro to obsolete DO_UPCAST().
Prepares for ISA realizefn.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-14-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Introduce type constant and cast macro to obsolete DO_UPCAST().
Prepares for ISA realizefn.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-9-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Eliminate DO_UPCAST() for PICCommonState. Prepares for ISA realizefn.
Also give the i8259_common type registration functions unique names
while at it.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-6-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Introduce type constant and cast macro to obsolete DO_UPCAST().
Reuse type constant for PC machine compatibility settings.
Prepares for ISA realizefn.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-4-git-send-email-afaerber@suse.de
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Use of a flash memory device for the BIOS was added in series "[PATCH
v10 0/8] PC system flash support", commit 4732dca..1b89faf, v1.1.
Flash vs. ROM is a guest-visible difference. Thus, flash use had to
be suppressed for machine types pc-1.0 and older. This was
accomplished by adding a dummy device "pc-sysfw" with property
"rom_only":
* Non-zero rom_only means "use ROM". Default for pc-1.0 and older.
* Zero rom_only means "maybe use flash". Default for newer machines.
Not only is the dummy device ugly, it was also retroactively added to
the older machine types! Fortunately, it's not guest-visible (thus no
immediate guest ABI breakage), and has no vmstate (thus no immediate
migration breakage). Breakage occurs only if the user unwisely
enables flash by setting rom_only to zero. Patch review FAIL #1.
Why "maybe use flash"? Flash didn't (and still doesn't) work with
KVM. Therefore, rom_only=0 really means "use flash, except when KVM
is enabled, use ROM". This is a Bad Idea, because it makes enabling/
disabling KVM guest-visible. Patch review FAIL #2.
Aside: it also precludes migrating between KVM on and off, but that's
not possible for other reasons anyway.
Fix as follows:
1. Change the meaning of rom_only=0 to mean "use flash, no ifs, buts,
or maybes" for pc-i440fx-1.5 and pc-q35-1.5. Don't change anything
for older machines (to remain bug-compatible).
2. Change the default value from 0 to 1 for these machines.
Necessary, because 0 doesn't work with KVM. Once it does, we can flip
the default back to 0.
3. Don't revert the retroactive addition of device "pc-sysfw" to older
machine types. Seems not worth the trouble.
4. Add a TODO comment asking for device "pc-sysfw" to be dropped once
flash works with KVM.
Net effect is that you get a BIOS ROM again even when KVM is disabled,
just like for machines predating the introduction of flash.
To get flash instead, use "--global pc-sysfw.rom_only=0".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1365780303-26398-4-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This clean the init and the exit functions and rename virtio_common_cleanup
to virtio_cleanup.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1366791683-5350-7-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This remove virtio-bindings, and use class instead.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1366791683-5350-6-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This remove the function pointer in VirtIODevice, and use only
VirtioDeviceClass function pointer.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1366791683-5350-5-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This add two functions:
* virtio_bus_set_vdev_config.
* virtio_bus_set_vdev_feature.
Needed by virtio-ccw.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1366791683-5350-2-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
As the virtio-rng-pci, virtio-rng-s390 and virtio-rng-ccw are
switched to the new API, we can use QOM casts.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-9-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The qdev field is no longer needed, just drop it.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-8-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This remove old init and exit function as they are no longer needed.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-7-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Create virtio-rng-device which extends virtio-device, so it can be connected on
virtio-bus.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-3-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The configuration field must not be a pointer as it will be used for
virtio-rng properties. So *conf is replaced by conf.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-2-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Add a linked list of keyboard handlers. Added handlers will go
to the head of the list. Removed handlers will be zapped from
the list. The head of the list will be used for events.
This fixes the keyboard-dead-after-usb-kbd-unplug issue, key events
will be re-routed to the ps/2 kbd instead of being discarded.
[ v2: fix cut+paste bug found my Markus ]
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1366798118-3248-3-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
# By Paolo Bonzini (5) and others
# Via Paolo Bonzini
* bonzini/scsi-next:
vhost-scsi-s390: new device supporting the tcm_vhost Linux kernel module
vhost-scsi-ccw: new device supporting the tcm_vhost Linux kernel module
vhost-scsi-pci: new device supporting the tcm_vhost Linux kernel module
vhost-scsi: new device supporting the tcm_vhost Linux kernel module
virtio: simplify Makefile conditionals
virtio-scsi: create VirtIOSCSICommon
vhost: Add vhost_commit callback for SeaBIOS ROM region re-mapping
scsi: VMWare PVSCSI paravirtual device implementation
scsi: avoid assertion failure on VERIFY command
Message-id: 1366381460-6041-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Drop all the infrastructure for taddr properties (ie ones which
are 'hwaddr' sized). These are now unused, and any further desired
use would be rather questionable since device properties shouldn't
generally depend on a type that is conceptually variable based on
the target CPU. 32 or 64 bit integer properties should be used instead
as appropriate for the specific device.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
The WWPN specified in configfs is passed to "-device vhost-scsi-pci".
The tgpt field of the SET_ENDPOINT ioctl is obsolete now, so it is not
available from the QEMU command-line. Instead, I hardcode it to zero.
Changes in Patch-v2:
- Add vhost_scsi_get_features() in order to determine feature bits
supports by host kernel (mst + nab)
- Re-enable usage of DEFINE_VIRTIO_COMMON_FEATURES, and allow
EVENT_IDX to be disabled by host in vhost_scsi_get_features()
- Drop unused hotplug bit in DEFINE_VHOST_SCSI_PROPERTIES
Changes in Patch-v1:
- Set event_idx=off by default (nab, thanks asias)
- Disable hotplug feature bit for v3.9 tcm_vhost kernel code, need to
re-enable in v3.10 (nab)
- Update to latest qemu.git/master HEAD
Changes in WIP-V3:
- Drop ioeventfd vhost_scsi_properties (asias, thanks stefanha)
- Add CONFIG_VHOST_SCSI (asias, thanks stefanha)
- Add hotplug feature bit
Changes in WIP-V2:
- Add backend guest masking support (nab)
- Bump ABI_VERSION to 1 (nab)
- Set up set_guest_notifiers (asias)
- Set up vs->dev.vq_index (asias)
- Drop vs->vs.vdev.{set,clear}_vhost_endpoint (asias)
- Drop VIRTIO_CONFIG_S_DRIVER check in vhost_scsi_set_status (asias)
Howto:
Use the latest seabios, at least commit b44a7be17b
git clone git://git.seabios.org/seabios.git
make
cp out/bios.bin /usr/share/qemu/bios.bin
qemu -device vhost-scsi-pci,wwpn=naa.6001405bd4e8476d,event_idx=off
...
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Asias He <asias@redhat.com>
[ Rebase on top of VirtIOSCSICommon patch, fix bugs in feature
negotiation and irqfd masking - Paolo ]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch refactors existing virtio-scsi code into VirtIOSCSICommon
in order to allow virtio_scsi_init_common() to be used by both internal
virtio_scsi_init() and external vhost-scsi-pci code.
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Asias He <asias@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
# By Stefan Weil (3) and others
# Via Stefan Hajnoczi
* stefanha/trivial-patches:
m25p80: Remove bogus include of devices.h
ssh: Remove unnecessary use of strlen function.
block/ssh: Add missing gcc format attributes
linux-user: change do_semop to return target errno when unsuccessful
w64: Fix compiler warnings (wrong format specifier)
Remove unneeded type casts
virtio.h: drop unused function prototypes
bswap: fix compiler warning
Message-id: 1366371241-23430-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This adds a new device that we can use for testing PCI PIO and MMIO, with and
without ioeventfd in different configurations. FAST_MMIO will be added if/when
kvm supports it. Also included are minor cleanups in kvm APIs that it needs.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
pci: add pci test device
This adds a new device that we can use for testing PCI PIO and MMIO, with and
without ioeventfd in different configurations. FAST_MMIO will be added if/when
kvm supports it. Also included are minor cleanups in kvm APIs that it needs.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Mon 15 Apr 2013 05:42:24 PM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Michael S. Tsirkin
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
pci: add pci test device
kvm: support non datamatch ioeventfd
kvm: support any size for pio eventfd
kvm: remove unused APIs
Message-id: cover.1366272004.git.mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This patch follows MST's recommendation to move checks for
vhost_verify_ring_mappings() -> cpu_physical_memory_map() operations
from MemoryListener->region_[add,del]() -> vhost_set_memory() into
final MemoryListener->commit() -> vhost_commit() callback.
It addresses the case where virtio-scsi vq ioport RAM re-mapping
to read-only SeaBIOS ROM triggers a cpu_physical_memory_map()
NIL MemoryRegionSection pointer failure.
Also save vhost_dev->mem_changed_[start,end]_addr values in
vhost_set_memory() for final ranges_overlap checks. (Thanks Paolo!)
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Asias He <asias@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Yan Vugenfirer <yan@daynix.com>
[ Rename files to vmw_pvscsi, fix setting of hostStatus in
pvscsi_request_cancelled - Paolo ]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We already define it in Makefile.target. But we need to avoid a
curious double negation in order to eliminate it.
Tested-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
As the virtio-net-pci and virtio-net-s390 are switched to the new API,
we can use QOM casts.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1365690602-22729-7-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Create virtio-net-device which extends virtio-device, so it can be connected on
virtio-bus.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1365690602-22729-3-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Recent changes need two functions to VirtioDevice. This just add them
into VirtioDeviceClass.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 1365690602-22729-2-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
# By Hans de Goede (5) and others
# Via Gerd Hoffmann
* spice/spice.v69:
spice-qemu-char: vmc_write: Don't write more bytes then we're asked too
spice-qemu-char: Remove intermediate buffer
spice-qemu-char: Add watch support
spice-qemu-char: Remove #ifdef-ed code for old spice-server compat
virtio-console: Remove any pending watches on close
virtio-console: Also throttle when less was written then requested
spice: (32 bit only) fix surface cmd tracking destruction
qxl: add 2000x2000 and 2048x2048 video modes
qxl: add 4k + 8k resolutions
Message-id: 1366106194-28826-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
# By Igor Mammedov (8) and others
# Via Andreas Färber
* afaerber/qom-cpu:
target-cris: Override do_interrupt for pre-v32 CPU cores
qdev: Set device's parent before calling realize() down inheritance chain
cpu: Pass CPUState to *cpu_synchronize_post*()
target-i386: Split out CPU creation and features parsing
target-i386/cpu.c: Coding style fixes
ioapic: Replace FROM_SYSBUS() with QOM type cast
kvmvapic: Replace FROM_SYSBUS() with QOM type cast
target-i386: Split APIC creation from initialization in x86_cpu_realizefn()
target-i386: Consolidate error propagation in x86_cpu_realizefn()
qdev: Add qdev property for bool type
target-i386: Improve -cpu ? features output
target-i386: Fix including "host" in -cpu ? output
This is necessary so that we get properly woken up to write the rest.
This patch also changes the len argument to the have_data callback, to
avoid doing an unsigned signed comparison.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The uint32_t *app argument doesn't exist in real hardware. It was a hack in
xilinx_axidma/enet to fake the (secondary) control stream connection. Removed
the argument and added the second stream to axienet/dma.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Add basic flow control to stream. A stream slave may return short, indicating
that it is not capable of accepting any more data at the present time. Polling
or a callback can be used via the can_push() function to determine when the
slave can receive again.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This device is used for kvm unit tests,
currently it supports testing performance of ioeventfd.
Using updated kvm unittest, here's an example output:
mmio-no-eventfd:pci-mem 8796
mmio-wildcard-eventfd:pci-mem 3609
mmio-datamatch-eventfd:pci-mem 3685
portio-no-eventfd:pci-io 5287
portio-wildcard-eventfd:pci-io 1762
portio-datamatch-eventfd:pci-io 1777
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* bonzini/hw-dirs:
exec: remove useless declarations from memory-internal.h
memory: move core typedefs to qemu/typedefs.h
include: avoid useless includes of exec/ headers
sysemu: avoid proliferation of include/ subdirectories
tpm: reorganize headers and split hardware part
configure: fix TPM logic
acpi.h: make it self contained
acpi: move declarations from pc.h to acpi.h
hw: Add lost ARM core again
Fix failure to create q35 machine
Add linux-headers to QEMU_INCLUDES
arm: fix location of some include files
Conflicts:
configure
aliguori: trivial conflict in configure output
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Since commit 249d41720b (qdev: Prepare
"realized" property) setting realized = true would register the device's
VMStateDescription, but realized = false would not unregister it. Fix that.
Moving the code from unparenting also revealed that we were calling
DeviceClass::init through DeviceClass::realize as interim solution but
DeviceClass::exit still at unparenting time with a realized check.
Make this symmetrical by implementing DeviceClass::unrealize to call it,
while we're setting realized = false in the unparenting path.
The only other unrealize user is mac_nvram, which can safely override it.
Thus, mark DeviceClass::exit as obsolete, new devices should implement
DeviceClass::unrealize instead.
Cc: qemu-stable@nongnu.org
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1366043650-9719-1-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The qdev field is no longer needed, just drop it.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1365512016-21944-8-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
As the virtio-serial-pci and virtio-serial-s390 are switched to the new
API, we can use QOM casts.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1365512016-21944-7-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Create virtio-serial which extends virtio-device, so it can be connected
on virtio-bus.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1365512016-21944-2-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This fix the broken aliases, by renaming the devices.
So: * virtio-blk => virtio-blk-device.
* virtio-balloon => virtio-balloon-device.
* virtio-scsi => virtio-scsi-device.
All virtio-*-pci, virtio-*-s390, virtio-*-ccw didn't change.
Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Message-id: 1365501888-14602-1-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Headers shouldn't assume another header is included,
pull in everything necessary.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20130415081250.GA7374@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Headers shouldn't assume another header is included,
pull in everything necessary.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Functions defined in acpi/ should be declared in
acpi.h
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The recent rearrangement of include files had some minor errors:
devices.h is not ARM specific and should not be in arm/
arm.h should be in arm/
Move these two headers to correct this.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This brings us a step closer to QOM'ified SH7750 SoC and
fixes b350ab75 (target-sh4: Move PVR/PRR/CVR into SuperHCPUClass)
assuming SuperHCPU type for SUPERH_CPU_GET_CLASS().
Fix Coding Style issues while at it (indentation, braces).
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
# By Paolo Bonzini
# Via Paolo Bonzini
* bonzini/hw-dirs: (35 commits)
hw: move private headers to hw/ subdirectories.
MAINTAINERS: update for source code movement
hw: move last file to hw/arm/
hw: move hw/kvm/ to hw/i386/kvm
hw: move ARM CPU cores to hw/cpu/, configure with default-configs/
hw: move other devices to hw/misc/, configure with default-configs/
hw: move NVRAM interfaces to hw/nvram/, configure with default-configs/
hw: move GPIO interfaces to hw/gpio/, configure with default-configs/
hw: move interrupt controllers to hw/intc/, configure with default-configs/
hw: move DMA controllers to hw/dma/, configure with default-configs/
hw: move VFIO and ivshmem to hw/misc/
hw: move PCI bridges to hw/pci-* or hw/ARCH
hw: move SD/MMC devices to hw/sd/, configure with default-configs/
hw: move timer devices to hw/timer/, configure with default-configs/
hw: move ISA bridges and devices to hw/isa/, configure with default-configs/
hw: move char devices to hw/char/, configure via default-configs/
hw: move more files to hw/xen/
hw: move SCSI controllers to hw/scsi/, configure via default-configs/
hw: move SSI controllers to hw/ssi/, configure via default-configs/
hw: move I2C controllers to hw/i2c/, configure via default-configs/
...
Message-id: 1365442249-18259-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Many of these should be cleaned up with proper qdev-/QOM-ification.
Right now there are many catch-all headers in include/hw/ARCH depending
on cpu.h, and this makes it necessary to compile these files per-target.
However, fixing this does not belong in these patches.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Andreas Färber