Commit Graph

81 Commits

Author SHA1 Message Date
xiaoqiang zhao
494c271784 icc_bus: QOM'ify ICC
For consistency, QOM'ify APIC's parent bus.

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-12-24 18:02:18 +01:00
xiaoqiang zhao
ff6986ce61 apic: QOM'ify APIC
Convert 'init' function to QOM's 'realize' for apic, kvm/apic and
xen/xen_apic.

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-12-24 18:02:18 +01:00
xiaoqiang zhao
d3b0c9e90a apic: Cleanup for QOM'ification
Do some cleanup, including:
1. Remove DO_UPCAST() for APICCommonState
2. Change DeviceState pointers from 'd' to 'dev', better to understand
3. Rename 'register_types' to specifically 'apic_common_register_types'

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-12-24 18:02:18 +01:00
Markus Armbruster
1b111dc121 hw: cannot_instantiate_with_device_add_yet due to pointer props
Pointer properties can be set only by code, not by device_add.  A
device with a pointer property can work with device_add only when the
property may remain null.

This is the case for property "interrupt_vector" of device
"etraxfs,pic".  Add a comment there.

Set cannot_instantiate_with_device_add_yet for the other devices with
pointer properties, with a comment explaining why.

Juha Riihimäki and Peter Maydell deserve my thanks for making "pointer
property must not remain null" blatantly obvious in the OMAP devices.

Only device "smbus-eeprom" is actually changed.  The others are all
sysbus devices, which get cannot_instantiate_with_device_add_yet set
in their abstract base's class init function.  Setting it again in
their class init function is technically redundant, but serves as
insurance for when sysbus devices become available with device_add,
and as documentation.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> (for ETRAX)
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-12-24 17:27:17 +01:00
Markus Armbruster
f3b176402f isa: Clean up use of cannot_instantiate_with_device_add_yet
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>
2013-12-23 00:27:23 +01:00
Markus Armbruster
f37a4374ba apic: Document why cannot_instantiate_with_device_add_yet
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-12-23 00:27:23 +01:00
Markus Armbruster
837d37167d sysbus: Set cannot_instantiate_with_device_add_yet
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>
2013-12-23 00:27:22 +01:00
Markus Armbruster
efec3dd631 qdev: Replace no_user by cannot_instantiate_with_device_add_yet
In an ideal world, machines can be built by wiring devices together
with configuration, not code.  Unfortunately, that's not the world we
live in right now.  We still have quite a few devices that need to be
wired up by code.  If you try to device_add such a device, it'll fail
in sometimes mysterious ways.  If you're lucky, you get an
unmysterious immediate crash.

To protect users from such badness, DeviceClass member no_user used to
make device models unavailable with -device / device_add, but that
regressed in commit 18b6dad.  The device model is still omitted from
help, but is available anyway.

Attempts to fix the regression have been rejected with the argument
that the purpose of no_user isn't clear, and it's prone to misuse.

This commit clarifies no_user's purpose.  Anthony suggested to rename
it cannot_instantiate_with_device_add_yet_due_to_internal_bugs, which
I shorten somewhat to keep checkpatch happy.  While there, make it
bool.

Every use of cannot_instantiate_with_device_add_yet gets a FIXME
comment asking for rationale.  The next few commits will clean them
all up, either by providing a rationale, or by getting rid of the use.

With that done, the regression fix is hopefully acceptable.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-12-23 00:27:22 +01:00
Alexey Kardashevskiy
a64d325df1 spapr-rtas: replace return code constants with macros
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-12-20 01:57:59 +01:00
liguang
c3931ee8b4 hw/intc: add allwinner A10 interrupt controller
Signed-off-by: liguang <lig.fnst@cn.fujitsu.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1387159292-10436-4-git-send-email-lig.fnst@cn.fujitsu.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2013-12-17 20:12:51 +00:00
Andreas Färber
ce31825de6 realview_gic: Prepare for QOM embedding
Move state struct, type constant and cast macro to a new header.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-11-05 17:47:30 +01:00
Andreas Färber
612daf0628 realview_gic: Convert to QOM realize
Embed GICState and replace SysBus initfn with realizefn.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-11-05 17:47:30 +01:00
Andreas Färber
83728796ad arm_gic: Extract headers hw/intc/arm_gic{,_common}.h
Rename NCPU to GIC_NCPU and move GICState away from gic_internal.h.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-11-05 17:47:29 +01:00
Alexey Kardashevskiy
9554233c9b xics-kvm: enable irqfd for MSI
This enables IRQFD support for sPAPR. The feature decreases the latency
of interrupt handling.

To enable IRQFD for MSI, this sets kvm_gsi_direct_mapping to true which
enables direct MSI mapping.

To enable IRQFD for LSI (level triggered INTx interrupts), a PCI host bus
callback is required. The patch for that is coming next.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-10-25 23:25:47 +02:00
Benjamin Herrenschmidt
5d87e4b74a xics: Implement H_XIRR_X
This implements H_XIRR_X hypercall in addition to H_XIRR as
it is mandatory for PAPR+ and there is no way for the guest to
detect whether it is supported or not so just add it.

As the Partition Adjunct Option is not supported at the moment,
the CPPR parameter of the hypercall is ignored.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-10-25 23:25:47 +02:00
Benjamin Herrenschmidt
075edbe3ba xics: Implement H_IPOLL
This adds support for the H_IPOLL hypercall which the guest
uses to poll for a pending interrupt. This hypercall is
mandatory for PAPR+ and there is no way for the guest to
detect whether it is supported or not so just add it.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-10-25 23:25:47 +02:00
David Gibson
11ad93f681 xics-kvm: Support for in-kernel XICS interrupt controller
Recent (host) kernels support emulating the PAPR defined "XICS" interrupt
controller system within KVM.  This patch allows qemu to initialize and
configure the in-kernel XICS, and keep its state in sync with qemu's XICS
state as necessary.

This should give considerable performance improvements.  e.g. on a simple
IPI ping-pong test between hardware threads, using qemu XICS gives us
around 5,000 irqs/second, whereas the in-kernel XICS gives us around
70,000 irqs/s on the same hardware configuration.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[Mike Qiu <qiudayu@linux.vnet.ibm.com>: fixed mistype which caused ics_set_kvm_state() to fail]
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-10-25 23:25:47 +02:00
Alexey Kardashevskiy
5eb92ccc3f xics: add cpu_setup callback
This adds a cpu_setup callback to the XICS device class (as XICS-KVM
will do it different), xics_cpu_setup() will call it if it is set.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-10-25 23:25:47 +02:00
Alexey Kardashevskiy
5a3d7b23ba xics: split to xics and xics-common
The upcoming XICS-KVM support will use bits of emulated XICS code.
So this introduces new level of hierarchy - "xics-common" class. Both
emulated XICS and XICS-KVM will inherit from it and override class
callbacks when required.

The new "xics-common" class implements:
1. replaces static "nr_irqs" and "nr_servers" properties with
the dynamic ones and adds callbacks to be executed when properties
are set.
2. xics_cpu_setup() callback renamed to xics_common_cpu_setup() as
it is a common part for both XICS'es
3. xics_reset() renamed to xics_common_reset() for the same reason.

The emulated XICS changes:
1. the part of xics_realize() which creates ICPs is moved to
the "nr_servers" property callback as realize() is too late to
create/initialize devices and instance_init() is too early to create
devices as the number of child devices comes via the "nr_servers"
property.
2. added ics_initfn() which does a little part of what xics_realize() did.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-10-25 23:25:47 +02:00
Alexey Kardashevskiy
456df19cf7 xics: add missing const specifiers to TypeInfo
This adds missing const specifiers to ICS and ICP TypeInfo's.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-10-25 23:25:47 +02:00
Alexey Kardashevskiy
b45ff2d942 xics: convert init() to realize()
This fixes XICS according new QOM rules.

This converts ICS's init() callbacks to realize().

This converts legacy qdev_init_nofail() to property_set(realized).

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-10-25 23:25:47 +02:00
Alexey Kardashevskiy
d1b5682d88 xics: add pre_save/post_load dispatchers
The upcoming support of in-kernel XICS will redefine migration callbacks
for both ICS and ICP so classes and callback pointers are added.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-10-25 23:25:46 +02:00
Alexey Kardashevskiy
9ccff2a4d6 xics: replace fprintf with error_report
This replaces old-style fprintf with new style error_report.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-10-25 23:25:46 +02:00
Alexey Kardashevskiy
8ffe04ed2e xics: move reset and cpu_setup
This simple change makes following patches nicer.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-10-25 23:25:46 +02:00
Anthony Liguori
5cff81f098 QOM device refactorings
* Fix QOM and ISA documentation errors
 * Extend object_initialize() et al. to check the instance size
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Merge remote-tracking branch 'afaerber/tags/qom-devices-for-anthony' into staging

QOM device refactorings

* Fix QOM and ISA documentation errors
* Extend object_initialize() et al. to check the instance size

# gpg: Signature made Fri 30 Aug 2013 02:19:48 PM CDT using RSA key ID 3E7E013F
# gpg: Can't check signature: public key not found

# By Andreas Färber (14) and others
# Via Andreas Färber
* afaerber/tags/qom-devices-for-anthony:
  isa: Fix documentation of isa_register_portio_list()
  qom: Assert instance size in object_initialize_with_type()
  qom: Pass available size to object_initialize()
  qdev: Pass size to qbus_create_inplace()
  virtio-mmio: Pass size to virtio_mmio_bus_new()
  virtio-ccw: Pass size to virtio_ccw_bus_new()
  s390-virtio-bus: Pass size to virtio_s390_bus_new()
  virtio-pci: Pass size to virtio_pci_bus_new()
  usb: Pass size to usb_bus_new()
  scsi: Pass size to scsi_bus_new()
  pci: Pass size to pci_bus_new_inplace()
  ide: Pass size to ide_bus_new()
  ipack: Pass size to ipack_bus_new_inplace()
  intel-hda: Pass size to hda_codec_bus_init()
  qom: Fix object_initialize_with_type() argument name in documentation
  virtio: Remove unnecessary OBJECT() casts
  object: Fix typo in qom/object.h
2013-09-03 12:30:51 -05:00
Alexey Kardashevskiy
33a0e5d8c5 xics: move registration of global state to realize()
Registration of global state belongs into realize so move it there.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-09-02 10:06:42 +02:00
Andreas Färber
213f0c4f61 qom: Pass available size to object_initialize()
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>
2013-08-30 21:15:44 +02:00
Alex Bligh
bc72ad6754 aio / timers: Switch entire codebase to the new timer API
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>
2013-08-22 19:14:24 +02:00
Andreas Färber
f54d31575d ioapic: QOM cast cleanup
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:07:02 +02:00
Andreas Färber
cc3e064ee9 xilinx_intc: QOM cast cleanup
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:58 +02:00
Andreas Färber
7abad863d7 slavio_intctl: QOM cast cleanup
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:58 +02:00
Andreas Färber
b09a6f7b30 realview_gic: QOM cast cleanup
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:58 +02:00
Andreas Färber
1ecdf4022a puv3_intc: QOM cast cleanup
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:58 +02:00
Andreas Färber
7fc3266f76 pl190: QOM cast cleanup
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:58 +02:00
Andreas Färber
aefbc25695 pl190: Rename pl190_state to PL190State
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:58 +02:00
Andreas Färber
47edc5a479 omap_intc: QOM'ify omap-intc and omap2-intc
Create a new abstract base type and let omap-intc and omap2-intc inherit
from it. Introduce a type constant and use QOM casts.

Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:58 +02:00
Andreas Färber
1f8a9eac51 lm32_pic: QOM cast cleanup
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:57 +02:00
Andreas Färber
730bf9323d grlib_irqmp: QOM cast cleanup
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:57 +02:00
Andreas Färber
c5e22ae346 exynos4210_gic: QOM cast cleanup for exynos4210.irq_gate
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:57 +02:00
Andreas Färber
78c6abbd83 exynos4210_gic: QOM cast cleanup for exynos4210.gic
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:57 +02:00
Andreas Färber
c03c6b9cca exynos4210_combiner: QOM cast cleanup
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:57 +02:00
Andreas Färber
9062143f9e etraxfs_pic: QOM cast cleanup
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:57 +02:00
Andreas Färber
285b4432da arm_gic: QOM cast cleanup
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:57 +02:00
Andreas Färber
5ff94a61c4 imx_avic: QOM cast cleanup
Introduce type constant, use QOM casts and prepare SysBus initfn for QOM
realize by resolving SysBusDevice vs. DeviceState "dev" name conflict.

Acked-by: Peter Chubb <peter.chubb@nicta.com.au>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-29 21:06:05 +02:00
Anthony Liguori
c04d6cfa3f xics: rename types to be sane and follow coding style
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>
2013-07-29 10:37:09 -05:00
Hu Tao
f5ba752371 ioapic: Use QOM realize for ioapic
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
[AF: Tweaked error message]
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-23 00:37:35 +02:00
Alexey Kardashevskiy
42e5b4c988 pseries: move interrupt controllers to hw/intc/
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
2013-07-11 18:51:23 +02:00
Andreas Färber
2b927571cc intc/openpic: Build openpic only once
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>
2013-07-09 21:33:02 +02:00
Andreas Färber
dfc080791d intc/arm_gic: Build arm_gic only once
Since current_cpu is CPUState it no longer needs CPUArchState.

Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-09 21:33:02 +02:00
Andreas Färber
182735efaf cpu: Make first_cpu and next_cpu CPUState
Move next_cpu from CPU_COMMON to CPUState.
Move first_cpu variable to qom/cpu.h.

gdbstub needs to use CPUState::env_ptr for now.
cpu_copy() no longer needs to save and restore cpu_next.

Acked-by: Paolo Bonzini <pbonzini@redhat.com>
[AF: Rebased, simplified cpu_copy()]
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-07-09 21:32:54 +02:00