Replace them with uint8/32/64.
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
* more A64 Neon instructions
* AArch32 VCVTB and VCVTT ARMv8 instructions
* fixes to inaccuracies in GIC emulation
* libvixl disassembler for A64
* Allwinner SoC ethernet controller
* zynq software system reset support
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20140208' into staging
target-arm queue:
* more A64 Neon instructions
* AArch32 VCVTB and VCVTT ARMv8 instructions
* fixes to inaccuracies in GIC emulation
* libvixl disassembler for A64
* Allwinner SoC ethernet controller
* zynq software system reset support
# gpg: Signature made Sat 08 Feb 2014 15:53:05 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
* remotes/pmaydell/tags/pull-target-arm-20140208: (29 commits)
arm/zynq: Add software system reset via SCLR
hw/arm/allwinner-a10: initialize EMAC
hw/net: add support for Allwinner EMAC Fast Ethernet controller
util/fifo8: clear fifo head upon reset
util/fifo8: implement push/pop of multiple bytes
disas: Implement disassembly output for A64
disas/libvixl: Fix upstream libvixl compilation issues
disas: Add subset of libvixl sources for A64 disassembler
rules.mak: Link with C++ if we have a C++ compiler
rules.mak: Support .cc as a C++ source file suffix
arm_gic: Add GICC_APRn state to the GICState
vmstate: Add uint32 2D-array support
arm_gic: Support setting/getting binary point reg
arm_gic: Keep track of SGI sources
arm_gic: Fix GIC pending behavior
target-arm: Add support for AArch32 64bit VCVTB and VCVTT
target-arm: A64: Add FNEG and FABS to the SIMD 2-reg-misc group
target-arm: A64: Add 2-reg-misc REV* instructions
target-arm: A64: Add narrowing 2-reg-misc instructions
target-arm: A64: Implement 2-reg-misc CNT, NOT and RBIT
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Support software-driven system reset via the register in the SCLR.
Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Change to DEBUG_VFIO in vfio_msi_interrupt() for debug
messages to get printed
Signed-off-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
AppleSMC (-device isa-applesmc) is required to boot OS X guests.
OS X expects a SMC node to be present in the ACPI DSDT. This patch
adds a SMC node to the DSDT, and dynamically patches the return value
of SMC._STA to either 0x0B if the chip is present, or otherwise to 0x00,
before booting the guest.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
VFIO virtualizes MSIX table for the guest but not mapping the part of
a BAR which contains an MSIX table. Since vfio_mmap_bar() mmaps chunks
before and after the MSIX table, they have to be aligned to the host
page size which may be TARGET_PAGE_MASK (4K) or 64K in case of PPC64.
This fixes boundaries calculations to use the real host page size.
Without the patch, the chunk before MSIX table may overlap with the MSIX
table and mmap will fail in the host kernel. The result will be serious
slowdown as the whole BAR will be emulated by QEMU.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
The vfio-pci initfn will currently succeed even if DMA mappings fail.
A typical reason for failure is if the user does not have sufficient
privilege to lock all the memory for the guest. In this case, the
device gets attached, but can only access a portion of guest memory
and is extremely unlikely to work.
DMA mappings are done via a MemoryListener, which provides no direct
error return path. We therefore stuff the errno into our container
structure and check for error after registration completes. We can
also test for mapping errors during runtime, but our only option for
resolution at that point is to kill the guest with a hw_error.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Since 57271d63 we now see spurious mappings with the upper bits set
if 64bit PCI BARs are sized while enabled. The guest writes a mask
of 0xffffffff to the lower BAR to size it, then restores it, then
writes the same mask to the upper BAR resulting in a spurious BAR
mapping into the last 4G of the 64bit address space. Most
architectures do not support or make use of the full 64bits address
space for PCI BARs, so we filter out mappings with the high bit set.
Long term, we probably need to think about vfio telling us the
address width limitations of the IOMMU.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
During lazy rom loading, if rom read fails, and the
guest attempts a read again, vfio will again attempt it.
Add a boolean to prevent this. There could be a case where
a failed rom read might succeed the next time because of
a device reset or such, but it's best to exclude unpredictable
behavior
Signed-off-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
If the device rom can't be read, report an error to the
user. This alerts the user that the device has a bad
state that is causing rom read failure or option rom
loading has been disabled from the device boot menu
(among other reasons).
Signed-off-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Somehow this has been lurking for a while; we remove our subregions
from the base BAR and VGA region mappings, but we don't destroy them,
creating a leak and more serious problems when we try to migrate after
removing these devices. Add the trivial bit of final cleanup to
remove these entirely.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
* QOM interface fixes and unit test
* Device no_user sanitization and documentation
* Device error reporting improvement
* Conversion of APIC, ICC, IOAPIC to QOM realization model
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Merge remote-tracking branch 'afaerber/tags/qom-devices-for-anthony' into staging
QOM infrastructure fixes and device conversions
* QOM interface fixes and unit test
* Device no_user sanitization and documentation
* Device error reporting improvement
* Conversion of APIC, ICC, IOAPIC to QOM realization model
# gpg: Signature made Tue 24 Dec 2013 09:04:05 AM PST using RSA key ID 3E7E013F
# gpg: Good signature from "Andreas Färber <afaerber@suse.de>"
# gpg: aka "Andreas Färber <afaerber@suse.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 174F 0347 1BCC 221A 6175 6F96 FA2E D12D 3E7E 013F
* afaerber/tags/qom-devices-for-anthony: (24 commits)
qdev-monitor: Improve error message for -device nonexistant
ioapic: QOM'ify ioapic
ioapic: Cleanup for QOM'ification
icc_bus: QOM'ify ICC
apic: QOM'ify APIC
apic: Cleanup for QOM'ification
qdev: Drop misleading qbus_free() function
qom: Detect bad reentrance during object_class_foreach()
tests: Test QOM interface casting
qom: Do not register interface "types" in the type table and fix names
qom: Split out object and class caches
qdev: Document that pointer properties kill device_add
hw: cannot_instantiate_with_device_add_yet due to pointer props
qdev-monitor: Avoid device_add crashing on non-device driver name
qdev: Do not let the user try to device_add when it cannot work
isa: Clean up use of cannot_instantiate_with_device_add_yet
vt82c686: Clean up use of cannot_instantiate_with_device_add_yet
piix3 piix4: Clean up use of cannot_instantiate_with_device_add_yet
ich9: Document why cannot_instantiate_with_device_add_yet
pci-host: Consistently set cannot_instantiate_with_device_add_yet
...
This improves readability and simplifies the code.
Cc: Dmitry Solodkiy <d.solodkiy@samsung.com>
Cc: Evgeny Voevodin <e.voevodin@samsung.com>
Cc: Igor Mitsyanko <i.mitsyanko@gmail.com>
Cc: Maksim Kozlov <m.kozlov@samsung.com>
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>
Drop it when there's no obvious reason why device_add could not work.
Else keep and document why.
* isa-fdc: drop
* i8042: drop, even though its I/O base is hardcoded (because you
could conceivably still add one to a board that has none), and even
though PC board code wires up the A20 line (because that wiring is
optional)
* port92: keep because it needs additional wiring by port92_init()
* mc146818rtc: keep because it needs to be wired up by rtc_init()
* m48t59_isa: keep because needs to be wired up by m48t59_init_isa()
* isa-pit, kvm-pit: keep (in their abstract base pic-common) because
the PIT needs additional wiring by board code, depending on HPET
presence
* pcspk: keep because of pointer property pit, and because realize
sets global pcspk_state
* vmmouse: keep because of pointer property ps2_mouse
* vmport: keep because realize sets global port_state
* isa-i8259, kvm-i8259: keep (in their abstract base pic-common),
because the PICs' IRQ input lines are set up by board code, and the
wiring of the slave to the master is hard-coded in device model code
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
device_add plugs devices into suitable bus. For "real" buses, that
actually connects the device. For sysbus, the connections need to be
made separately, and device_add can't do that. The device would be
left unconnected, and could not possibly work.
Quite a few, but not all sysbus devices already set
cannot_instantiate_with_device_add_yet in their class init function.
Set it in their abstract base's class init function
sysbus_device_class_init(), and remove the now redundant assignments
from device class init functions.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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>
We were relying on msix_unset_vector_notifiers() to release all the
vectors when we disable MSI-X, but this only happens when MSI-X is
still enabled on the device. Perform further cleanup by releasing
any remaining vectors listed as in-use after this call. This caused
a leak of IRQ routes on hotplug depending on how the guest OS prepared
the device for removal.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Cc: qemu-stable@nongnu.org
When MSI is enabled on Nvidia GeForce cards the driver seems to
acknowledge the interrupt by writing a 0xff byte to the MSI capability
ID register using the PCI config space mirror at offset 0x88000 from
BAR0. Without this, the device will only fire a single interrupt.
VFIO handles the PCI capability ID/next registers as virtual w/o write
support, so any write through config space is currently dropped. Add
a check for this and allow the write through the BAR window. The
registers are read-only anyway.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Add and remove groups from the KVM virtual VFIO device as we make
use of them. This allows KVM to optimize for performance and
correctness based on properties of the group.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
When an assigned device is initialized it copies the device config
space into the emulated config space. Unfortunately multifunction is
setup prior to the device initfn and gets clobbered. We need to
restore it just like pci-assign does.
Cc: qemu-stable@nongnu.org
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This causes two slight backwards-incompatibilities between "-M pc-1.5"
and 1.5's "-M pc":
(1) a fw_cfg file is removed with this patch. This is only a problem
if migration stops the virtual machine exactly during fw_cfg enumeration.
(2) after migration, a VM created without an explicit "-device pvpanic"
will stop reporting panics to management.
The first problem only occurs if migration is done at a very, very
early point (and I'm not sure it can happen in practice for reasonable-size
VMs, since it will likely take more time to send the RAM to destination,
than it will take for BIOS to scan fw_cfg).
The second problem only occurs if the guest panics _and_ has a guest
driver _and_ management knows to look at the crash event, so it is
mostly theoretical at this point in time.
Thus keep the code simple, and pretend it was never broken.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Turn PCMCIACardState into a device.
Move callbacks to new PCMCIACardClass.
Derive TYPE_MICRODRIVE from TYPE_PCMCIA_CARD.
Replace ide_init2_with_non_qdev_drives().
Signed-off-by: Othmar Pasteka <pasteka@kabsi.at>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Rename A9SCUState::busdev field to parent_obj and turn realizefn into an
instance_init function to allow early MMIO mapping.
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
This includes some pretty big changes:
- pci master abort support by Marcel
- pci IRQ API rework by Marcel
- acpi generation support by myself
Everything has gone through several revisions, latest versions have been on
list for a while without any more comments, tested by several
people.
Please pull for 1.7.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
pci, pc, acpi fixes, enhancements
This includes some pretty big changes:
- pci master abort support by Marcel
- pci IRQ API rework by Marcel
- acpi generation support by myself
Everything has gone through several revisions, latest versions have been on
list for a while without any more comments, tested by several
people.
Please pull for 1.7.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Tue 15 Oct 2013 07:33:48 AM CEST using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
* mst/tags/for_anthony: (39 commits)
ssdt-proc: update generated file
ssdt: fix PBLK length
i386: ACPI table generation code from seabios
pc: use new api to add builtin tables
acpi: add interface to access user-installed tables
hpet: add API to find it
pvpanic: add API to access io port
ich9: APIs for pc guest info
piix: APIs for pc guest info
acpi/piix: add macros for acpi property names
i386: define pc guest info
loader: allow adding ROMs in done callbacks
i386: add bios linker/loader
loader: use file path size from fw_cfg.h
acpi: ssdt pcihp: updat generated file
acpi: pre-compiled ASL files
acpi: add rules to compile ASL source
i386: add ACPI table files from seabios
q35: expose mmcfg size as a property
q35: use macro for MCFG property name
...
Message-id: 1381818560-18367-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
Commit 9b8c69243 (since reverted) broke the ability to boot the kernel
as the value returned by unassigned_mem_read returned non-zero and left
the kernel looping forever waiting for it to change (see
integrator_led_set in the kernel code).
Relying on a varying implementation detail is incorrect anyway so this
introduces a basic stub of a memory region for the debug/LED section
on the integrator board.
Signed-off-by: Alex Bennée <alex@bennee.com>
Message-id: 1382451366-9539-1-git-send-email-alex.bennee@linaro.org
[PMM: removed three unused fields from struct IntegratorDebugState]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add API to find pvpanic device and get its io port.
Will be used to fill in guest info structure.
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
pci_set_irq and the other pci irq wrappers use
PCI_INTERRUPT_PIN config register to compute device
INTx pin to assert/deassert.
An irq is allocated using pci_allocate_irq wrapper
only if is needed by non pci devices.
Removed irq related fields from state if not used anymore.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
pci_set_irq and the other pci irq wrappers use
PCI_INTERRUPT_PIN config register to compute device
INTx pin to assert/deassert.
save INTX pin into the config register before calling
pci_set_irq
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
VFIO is always little endian so do byte swapping of our mask on the
way in and byte swapping of the size on the way out.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Just to be sure we don't jump off any NULL pointer cliffs.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Memory regions can easily be 2^64 byte long and therefore overflow
for just a bit but that is enough for int128_get64() to assert.
This takes care of debug printing of huge section sizes.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Now that VFIO has a PCI hot reset interface, take advantage of it.
There are two modes that we need to consider. The first is when only
one device within the set of devices affected is actually assigned to
the guest. In this case the other devices are are just held by VFIO
for isolation and we can pretend they're not there, doing an entire
bus reset whenever the device reset callback is triggered. Supporting
this case separately allows us to do the best reset we can do of the
device even if the device is hotplugged.
The second mode is when multiple affected devices are all exposed to
the guest. In this case we can only do a hot reset when the entire
system is being reset. However, this also allows us to track which
individual devices are affected by a reset and only do them once.
We split our reset function into pre- and post-reset helper functions
prioritize the types of device resets available to us, and create
separate _one vs _multi reset interfaces to handle the distinct cases
above.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
During vfio-pci initfn, the device is not always in a state where the
option ROM can be read. In the case of graphics cards, there's often
no per function reset, which means we have host driver state affecting
whether the option ROM is usable. Ideally we want to move reading the
option ROM past any co-assigned device resets to the point where the
guest first tries to read the ROM itself.
To accomplish this, we switch the memory region for the option rom to
an I/O region rather than a memory mapped region. This has the side
benefit that we don't waste KVM memory slots for a BAR where we don't
care about performance. This also allows us to delay loading the ROM
from the device until the first read by the guest. We then use the
PCI config space size of the ROM BAR when setting up the BAR through
QEMU PCI.
Another benefit of this approach is that previously when a user set
the ROM to a file using the romfile= option, we still probed VFIO for
the parameters of the ROM, which can result in dmesg errors about an
invalid ROM. We now only probe VFIO to get the ROM contents if the
guest actually tries to read the ROM.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Not all resets are created equal. PM reset is not very reliable,
especially for GPUs, so we might want to opt for a bus reset if a
standard reset will only do a D3hot->D0 transition. We can also
use this to tell if the standard reset will do a bus reset (if
neither has_pm_reset or has_flr is probed, but the device still
supports reset).
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
When MSI is accelerated through KVM the vectors are only programmed
when the guest first enables MSI support. Subsequent writes to the
vector address or data fields are ignored. Unfortunately that means
we're ignore updates done to adjust SMP affinity of the vectors.
MSI SMP affinity already works in non-KVM mode because the address
and data fields are read from their backing store on each interrupt.
This patch stores the MSIMessage programmed into KVM so that we can
determine when changes are made and update the routes.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
To be passed on to object_initialize_with_type().
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> (virtio-ccw)
Signed-off-by: Andreas Färber <afaerber@suse.de>
To be passed to object_initialize().
Since commit 39355c3826 the argument is
void*, so drop some superfluous (BusState *) casts or direct parent
field usages.
Signed-off-by: Andreas Färber <afaerber@suse.de>
* qemu-kvm/uq/master:
kvm-stub: fix compilation
kvm: shorten the parameter list for get_real_device()
kvm: i386: fix LAPIC TSC deadline timer save/restore
kvm-all.c: max_cpus should not exceed KVM vcpu limit
kvm: Simplify kvm_handle_io
kvm: x86: fix setting IA32_FEATURE_CONTROL with nested VMX disabled
kvm: add KVM_IRQFD_FLAG_RESAMPLE support
kvm: migrate vPMU state
target-i386: remove tabs from target-i386/cpu.h
Initialize IA32_FEATURE_CONTROL MSR in reset and migration
Conflicts:
target-i386/cpu.h
target-i386/kvm.c
aliguori: fixup trivial conflicts due to whitespace and added cpu
argument
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
This is an autogenerated patch using scripts/switch-timer-api.
Switch the entire code base to using the new timer API.
Note this patch may introduce some line length issues.
Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Added an EventNotifier* parameter to
kvm-all.c:kvm_irqchip_add_irqfd_notifier(), in order to give KVM
another eventfd to be used as "resamplefd". See the documentation
in the linux kernel sources in Documentation/virtual/kvm/api.txt
(section 4.75) for more details.
When the added parameter is passed NULL, the behaviour of the
function is unchanged with respect to the previous versions.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Vincenzo Maffione <v.maffione@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The category will be used to sort the devices displayed in
the command line help.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Message-id: 1375107465-25767-4-git-send-email-marcel.a@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The ports at 0xe8..0xeb have impl.min/max_access_size == 1, so
that memory accesses are split and combined by the memory core.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1374501278-31549-29-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
So far the device was only used on little-endian machines.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1374501278-31549-18-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This will let us use the testdev to test endianness.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1374501278-31549-17-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Replace direct uses of IVShmemState::dev with QOM casts and rename it to
parent_obj.
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Define and use standard QOM cast macro. Remove usages of DO_UPCAST()
and direct -> style upcasting.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
[AF: Simplified casts and converted two more DO_UPCAST()s]
Signed-off-by: Andreas Färber <afaerber@suse.de>
Replace direct uses of PCITestDevState::dev with QOM casts and rename it
to parent_obj.
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Define and use standard QOM cast macro. Remove usages of DO_UPCAST()
and direct -> style upcasting.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
[AF: Replaced another DO_UPCAST()]
Signed-off-by: Andreas Färber <afaerber@suse.de>
# By Markus Armbruster
# Via Stefan Hajnoczi
* stefanha/tracing:
trace-events: Fix up source file comments
trace-events: Drop unused events
milkymist-minimac2: Fix minimac2_read/_write tracepoints
slavio_misc: Fix slavio_led_mem_readw/_writew tracepoints
cleanup-trace-events.pl: New
Message-id: 1374119369-26496-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Broken since they got added in commit 97bf485.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Add support for error containment when a VFIO device assigned to a KVM
guest encounters an error. This is for PCIe devices/drivers that support AER
functionality. When the host OS is notified of an error in a device either
through the firmware first approach or through an interrupt handled by the AER
root port driver, the error handler registered by the vfio-pci driver gets
invoked. The qemu process is signaled through an eventfd registered per
VFIO device by the qemu process. In the eventfd handler, qemu decides on
what action to take. In this implementation, guest is brought down to
contain the error.
The kernel patches for the above functionality has been already accepted.
This is a refresh of the QEMU patch which was reviewed earlier.
http://marc.info/?l=linux-kernel&m=136281557608087&w=2
This patch has the same contents and has been built after refreshing
to latest upstream and after the linux headers have been updated in qemu.
- Create eventfd per vfio device assigned to a guest and register an
event handler
- This fd is passed to the vfio_pci driver through the SET_IRQ ioctl
- When the device encounters an error, the eventfd is signalled
and the qemu eventfd handler gets invoked.
- In the handler decide what action to take. Current action taken
is to stop the guest.
Signed-off-by: Vijay Mohan Pandarathil <vijaymohan.pandarathil@hp.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Turns out all the suspicions for AMD devices were correct, everywhere
we read a BAR address that the address matches the config space offset,
there's full access to PCI config space. Attempt to generalize some
helpers to allow quirks to easily be added for mirrors and windows.
Also fill in complete config space for AMD.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Mac OS X accesses fancy timer registers inside of the mac-io on bootup.
These really should be ticking at the mac-io bus frequency, but I don't
see anyone upset when we just make them as fast as we want to.
With this patch on top of my previous patch queue and latest OpenBIOS
I am able to boot Mac OS X 10.4 with -M mac99.
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>
The DBDMA controller can not change its command stream while it's
actively streaming data, true. But the fact that it's in RUN state
doesn't actually indicate anything. It could just as well be in
WAIT while in RUN. And then it's legal to change commands.
This fixes a real world issue I've encountered with Mac OS X.
Signed-off-by: Alexander Graf <agraf@suse.de>
There was a debug print that didn't compile for me because the format
and the arguments weren't in sync. Fix it up.
Signed-off-by: Alexander Graf <agraf@suse.de>
The macio code is basically undebuggable as it stands today, with no
debug prints anywhere whatsoever. DBDMA was better, but I needed a
few more to create reasonable logs that tell me where breakage is.
Add a DPRINTF macro in the macio source file and add a bunch of debug
prints that are all disabled by default of course.
Signed-off-by: Alexander Graf <agraf@suse.de>
On a real G3 Beige the secondary IDE bus lives on the mac-io chip, not
on some random PCI device. Move it there to become more compatible.
While at it, also clean up the IDE channel connection logic.
Signed-off-by: Alexander Graf <agraf@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>
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>
Convert over to memory regions to obsolete register_ioport*.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@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>
Mac OS X's debugging serial driver accesses the ESCC through a different
register layout, called "escc-legacy". This layout differs from the normal
escc register layout purely by the location of the respective registers.
This patch adds a memory alias region that takes normal escc registers and
maps them into the escc-legacy register space.
With this patch applied, a Mac OS X guest successfully emits debug output
on the serial port when run with debug parameters set, for example by running:
$ qemu-system-ppc -prom-env -'boot-args=-v debug=0x8 io=0xff serial=0x3' \
-cdrom 10.4.iso -boot d
Signed-off-by: Alexander Graf <agraf@suse.de>
Change Monitor::mon_cpu to CPUState as well.
Reviewed-by: liguang <lig.fnst@cn.fujitsu.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
cppcheck detected a condition which was always false.
According to the MCIMX31 Reference Manual, the PRCS bits have to be 01
to select the Frequency Pre-Multiplier (FPM). PRCS uses bits 1 and 2,
so we have to test for 2.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Peter Chubb <peter.chubb@nicta.com.au>
Message-id: 1370810662-32320-1-git-send-email-sw@weilnetz.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
vfio doesn't support guest iommus yet, indicate it to the user
by gently depositing a core on their disk.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Avi Kivity <avi.kivity@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
So far, the size of all regions passed to listeners could fit in 64 bits,
because artificial regions (containers and aliases) are eliminated by
the memory core, leaving only device regions which have reasonable sizes
An IOMMU however cannot be eliminated by the memory core, and may have
an artificial size, hence we may need 65 bits to represent its size.
Signed-off-by: Paolo Bonzini <pbonzini@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
If the user fails to specify 'chardev' or 'shm' then we cannot continue.
Exit right away so that we don't invoke shm_open(3) with a NULL pointer.
It would be nice to replace exit(1) with error returns in the PCI device
.init() function, but leave that for another patch since exit(1) is
currently used elsewhere.
Spotted by Coverity.
Cc: Cam Macdonell <cam@cs.ualberta.ca>
Cc: qemu-stable@nongnu.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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>
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>
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 lets seabios patch the corresponding SSDT entry.
Also add fw_cfg object to /machine/fw_cfg so we can reference
it elsewhere.
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 60c65d95fe2b23b12bea67099126566010a11a1a.1366945969.git.hutao@cn.fujitsu.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
pvpanic device is used to send guest panic event from guest to qemu.
When guest panic happens, pvpanic device driver will write a event
number to IO port 0x505(which is the IO port occupied by pvpanic device,
by default). On receiving the event, pvpanic device will pause guest
cpu(s), and send a qmp event QEVENT_GUEST_PANICKED.
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: b66077a40235b3531632a05a6ff373850afc7d2e.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.
Drop reserved underscore from struct name while at it.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-20-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Introduce type constant and cast macro.
Prepares for ISA realizefn.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1367093935-29091-17-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Add a typedef for the state struct and rename from Status to State.
Add 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: 1367093935-29091-2-git-send-email-afaerber@suse.de
Signed-off-by: Anthony Liguori <aliguori@us.ibm.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>
cpu_physical_memory_read, cpu_physical_memory_write take any pointer
as 2nd argument without needing a type cast.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.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>
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>
