For vfio device, we need to propagate the aer error to
Guest OS. we use the pcie_aer_msg() to send aer error
to guest.
Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
pcie_aer_init was used to emulate an aer capability for pcie device,
but for vfio device, the aer config space size is mutable and is not
always equal to PCI_ERR_SIZEOF(0x48). it depends on where the TLP Prefix
register required, so here we add a size argument.
Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Since it can`t fail. Also modify the callers.
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
This adds the SAS1068 device, a SAS disk controller used in VMware that
is oldish but widely supported and has decent performance. Unlike
megasas, it presents itself as a SAS controller and not as a RAID
controller. The device corresponds to the mptsas kernel driver in
Linux.
A few small things in the device setup are based on Don Slutz's old
patch, but the device emulation was written from scratch based on Don's
SeaBIOS patch and on the FreeBSD and Linux drivers. It is 2400 lines
shorter than Don's patch (and roughly the same size as MegaSAS---also
because it doesn't support the similar SPI controller), implements SCSI
task management functions (with asynchronous cancellation), supports
big-endian hosts, has complete support for migration and follows the
QEMU coding standards much more closely.
To write the driver, I first split Don's patch in two parts, with
the configuration bits in one file and the rest in a separate file.
I first left mptconfig.c in place and rewrote the rest, then deleted
mptconfig.c as well. The configuration pages are still based mostly on
VirtualBox's, though not exactly the same. However, the implementation
is completely different. The contents of the pages themselves should
not be copyrightable.
Signed-off-by: Don Slutz <Don@CloudSwitch.com>
Message-Id: <1347382813-5662-1-git-send-email-Don@CloudSwitch.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The pxb-pcie is the counterpart of pxb for PCI express machines.
The new device re-uses the pxb code, but appears to the guests
as a different device. The pxb-pcie device does not have an internal
pci-pci bridge and exposes a PCIe root bus instead of a PCI one.
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Enable PCIe device multi-function hot-add, just ensure function 0 is added
last, then driver will get the notification to scan the slot.
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
ivshmem is going to use MSIX state conditionally.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
For GICv3 ITS implementation we are going to use requester IDs in KVM IRQ
routing code. This patch introduces reusable convenient way to obtain this
ID from the device pointer. The new function is now used in some places,
where the same calculation was used.
MemTxAttrs.stream_id also renamed to requester_id in order to better
reflect semantics of the field.
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <5814bcb03a297f198e796b13ed9c35059c52f89b.1444916432.git.p.fedin@samsung.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We will try to reuse assign_dev_load_option_rom in xen side, and
especially its a good beginning to unify pci assign codes both on
kvm and xen in the future.
[Fix build for Windows]
Signed-off-by: Tiejun Chen <tiejun.chen@intel.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Most notably, this includes the TCO support for ICH: the last feature for 2.4
as we are entering the hard freeze.
Bugfixes only from now on.
virtio pci also gained cfg access capability - arguably a bugfix
since virtio spec makes it mandatory, but it's a big patch.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc,virtio,pci: fixes and updates
Most notably, this includes the TCO support for ICH: the last feature for 2.4
as we are entering the hard freeze.
Bugfixes only from now on.
virtio pci also gained cfg access capability - arguably a bugfix
since virtio spec makes it mandatory, but it's a big patch.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Wed Jul 8 10:40:07 2015 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
* remotes/mst/tags/for_upstream:
tco-test: fix up config accesses and re-enable
virtio fix cfg endian-ness for BE targets
virtio-pci: implement cfg capability
virtio: define virtio_pci_cfg_cap in header.
pcie: Set the "link active" in the link status register
pci_regs.h: import from linux
virtio_net: reuse constants from linux
hw/i386/pc: don't carry FDC from pc_basic_device_init() to pc_cmos_init()
hw/i386/pc: reflect any FDC @ ioport 0x3f0 in the CMOS
hw/i386/pc: factor out pc_cmos_init_floppy()
ich9: implement strap SPKR pin logic
tests: add testcase for TCO watchdog emulation
ich9: add TCO interface emulation
acpi: split out ICH ACPI support
Revert "dataplane: allow virtio-1 devices"
dataplane: fix cross-endian issues
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
It seems to make sense to import pci_regs.h from linux:
why maintain our own?
As a first step, move the header to standard-headers,
and add it to the update script.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Fix pba_offset initialization value for Chelsio T5 Virtual Function
device. The T5 hardware has a bug in it where it reports a Pending Interrupt
Bit Array Offset of 0x8000 for its SR-IOV Virtual Functions instead
of the 0x1000 that the hardware actually uses internally. As the hardware
doesn't return the correct pba_offset value, add a quirk to instead
return a hardcoded value of 0x1000 when a Chelsio T5 VF device is
detected.
This bug has been fixed in the Chelsio's next chip series T6 but there are
no plans to respin the T5 ASIC for this bug. It is just documented in the
T5 Errata and left it at that.
Signed-off-by: Gabriel Laupre <glaupre@chelsio.com>
Reviewed-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
In the PCI expander bridge, we will want to disable those features of
pci-bridge that relate to SHPC (standard hotplug controller):
- SHPC bar and underlying MemoryRegion
- interrupt (INTx or MSI)
- effective hotplug callbacks
- other SHPC hooks (initialization, cleanup, migration etc)
Introduce a new feature request bit in the PCIBridgeDev.flags field, and
turn off the above if the bit is explicitly cleared.
Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
It follows msi_present() in "include/hw/pci/msi.h".
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This should help catch property name typos at compile time.
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This should help catch property name typos at compile time.
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Change the signature of the function-like macro SHPC_VMSTATE(), so that we
can produce and expect this field conditionally in the migration stream,
starting with an upcoming patch.
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel@redhat.com>
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Simplifies multiseat configuration, see
docs/multiseat.txt update for details.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Most notably this includes virtio 1 patches
Still not all devices converted, and not fully spec compliant,
so disabled by default.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc, acpi, virtio
Most notably this includes virtio 1 patches
Still not all devices converted, and not fully spec compliant,
so disabled by default.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Thu Jun 11 12:53:08 2015 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
* remotes/mst/tags/for_upstream: (42 commits)
i386/acpi-build: fix PXB workarounds for unsupported BIOSes
i386/acpi-build: more traditional _UID and _HID for PXB root buses
vhost-scsi: move qdev properties into vhost-scsi.c
virtio-9p-device: move qdev properties into virtio-9p-device.c
virtio-serial-bus: move qdev properties into virtio-serial-bus.c
virtio-rng: move qdev properties into virtio-rng.c
virtio-scsi: move qdev properties into virtio-scsi.c
virtio-net.h: Remove unsed DEFINE_VIRTIO_NET_PROPERTIES
virtio-net: move qdev properties into virtio-net.c
virtio-input: emulated devices [pci]
virtio-input: core code & base class [pci]
pci: add PCI_CLASS_INPUT_*
virtio-pci: fill VirtIOPCIRegions early.
virtio-pci: drop identical virtio_pci_cap
virtio-pci: move cap type to VirtIOPCIRegion
virtio-pci: move virtio_pci_add_mem_cap call to virtio_pci_modern_region_map
virtio-pci: add virtio_pci_modern_region_map()
virtio-pci: add virtio_pci_modern_regions_init()
virtio-pci: add struct VirtIOPCIRegion for virtio-1 regions
virtio-balloon: switch to virtio_add_feature
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This includes pxb support by Marcel, as well as multiple enhancements all over
the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc, acpi, virtio, tpm
This includes pxb support by Marcel, as well as multiple enhancements all over
the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Thu Jun 4 11:51:02 2015 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
* remotes/mst/tags/for_upstream: (28 commits)
vhost: logs sharing
hw/acpi: piix4_pm_init(): take fw_cfg object no more
hw/acpi: move "etc/system-states" fw_cfg file from PIIX4 to core
hw/acpi: acpi_pm1_cnt_init(): take "disable_s3" and "disable_s4"
pc-dimm: don't assert if pc-dimm alignment != hotpluggable mem range size
docs: Add PXB documentation
apci: fix PXB behaviour if used with unsupported BIOS
hw/pxb: add numa_node parameter
hw/pci: add support for NUMA nodes
hw/pxb: add map_irq func
hw/pci: inform bios if the system has extra pci root buses
hw/pci: introduce PCI Expander Bridge (PXB)
hw/pci: removed 'rootbus nr is 0' assumption from qmp_pci_query
hw/acpi: remove from root bus 0 the crs resources used by other buses.
hw/acpi: add _CRS method for extra root busses
hw/apci: add _PRT method for extra PCI root busses
hw/acpi: add support for i440fx 'snooping' root busses
hw/pci: extend PCI config access to support devices behind PXB
hw/i386: query only for q35/pc when looking for pci host bridge
hw/pci: made pci_bus_num a PCIBusClass method
...
Conflicts:
hw/i386/pc_piix.c
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We need to work with PCI BARs to generate OF properties
during PCI hotplug for sPAPR guests.
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
PCI root buses can be attached to a specific NUMA node.
PCI buses are not attached by default to a NUMA node.
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
PXB is a "light-weight" host bridge whose purpose is to enable
the main host bridge to support multiple PCI root buses
for pc machines.
As oposed to PCI-2-PCI bridge's secondary bus, PXB's bus
is a primary bus and can be associated with a NUMA node
(different from the main host bridge) allowing the guest OS
to recognize the proximity of a pass-through device to
other resources as RAM and CPUs.
The PXB is composed from:
- A primary PCI bus (can be associated with a NUMA node)
Acts like a normal pci bus and from the functionality point
of view is an "expansion" of the bus behind the
main host bridge.
- A pci-2-pci bridge behind the primary PCI bus where the actual
devices will be attached.
- A host-bridge PCI device
Situated on the bus behind the main host bridge, allows
the BIOS to configure the bus number and IO/mem resources.
It does not have its own config/data register for configuration
cycles, this being handled by the main host bridge.
- A host-bridge sysbus to comply with QEMU current design.
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Refactoring it as a method of PCIBusClass will allow
different implementations for subclasses.
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Refactoring it as a method of PCIBusClass will allow
different implementations for subclasses.
Removed the assumption that the root bus does not
have a parent device because is specific only
to the default class implementation.
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
It's being used by the hypervisor. For now simply mimic a device not
capable of masking, and fully emulate any accesses a guest may issue
nevertheless as simple reads/writes without side effects.
This is XSA-129.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
GICv3 ITS distinguishes between devices by using hardwired device IDs passed on the bus.
This patch implements passing these IDs in qemu.
SMMU is also known to use stream IDs, therefore this addition can also be useful for
implementing platforms with SMMU.
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Changes from v1:
- Added bus number to the stream ID
- Added stream ID not only to MSI-X, but also to plain MSI. Some common code was made into
msi_send_message() function.
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Rocker is an ethernet switch device, so add 'other' network device class as
defined by PCI to cover these types of devices.
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Message-id: 1426306173-24884-6-git-send-email-sfeldma@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit was generated mechanically by coccinelle from the following
semantic patch:
@@
expression val;
@@
- (ffs(val) - 1)
+ ctz32(val)
The call sites have been audited to ensure the ffs(0) - 1 == -1 case
never occurs (due to input validation, asserts, etc). Therefore we
don't need to worry about the fact that ctz32(0) == 32.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1427124571-28598-5-git-send-email-stefanha@redhat.com
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
from pcie spec 7.8.17, the End-End TLP Prefix Blocking bit local
is 15(e.g. 0x8000) in device control 2 register.
Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
None of them should be used in new code.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Call the new PCIDeviceClass method realize(). Default it to
pci_default_realize(), which calls old method init().
To convert a device model, make it implement realize() rather than
init().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
- RCU: fix MemoryRegion lifetime issues in PCI; document the rules;
convert of AddressSpaceDispatch and RAMList
- KVM: add kvm_exit reasons for aarch64
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
- vhost-scsi: add bootindex property
- RCU: fix MemoryRegion lifetime issues in PCI; document the rules;
convert of AddressSpaceDispatch and RAMList
- KVM: add kvm_exit reasons for aarch64
# gpg: Signature made Mon Feb 16 16:32:32 2015 GMT using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream: (21 commits)
Convert ram_list to RCU
exec: convert ram_list to QLIST
cosmetic changes preparing for the following patches
exec: protect mru_block with RCU
rcu: add g_free_rcu
rcu: introduce RCU-enabled QLIST
exec: RCUify AddressSpaceDispatch
exec: make iotlb RCU-friendly
exec: introduce cpu_reload_memory_map
docs: clarify memory region lifecycle
pci: split shpc_cleanup and shpc_free
pcie: remove mmconfig memory leak and wrap mmconfig update with transaction
memory: keep the owner of the AddressSpace alive until do_address_space_destroy
rcu: run RCU callbacks under the BQL
rcu: do not let RCU callbacks pile up indefinitely
vhost-scsi: set the bootable value of channel/target/lun
vhost-scsi: add a property for booting
vhost-scsi: expose the TYPE_FW_PATH_PROVIDER interface
vhost-scsi: add bootindex property
qdev: support to get a device firmware path directly
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
object_unparent should not be called until the parent device is going to be
destroyed. Only remove the capability and do memory_region_del_subregion
at unrealize time. Freeing the data structures is left in shpc_free, to
be called from the instance_finalize callback.
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We are going to introduce a PCIe host controller that doesn't exist that
way in real hardware, but still needs to expose some PCIe root device which
has PCI IDs.
Allocate a PCI ID in the Red Hat space that we use for other devices of this
kind.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The mmcfg space is a memory region that allows access to PCI config space
in the PCIe world. To maintain abstraction layers, I would like to expose
the mmcfg space as a sysbus mmio region rather than have it mapped straight
into the system's memory address space though.
So this patch splits the initialization of the mmcfg space from the actual
mapping, allowing us to only have an mmfg memory region without the map.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>
The rocker device uses same PCI device ID as sdhci. Since rocker device driver
has already been accepted into Linux 3.18, and REDHAT_SDHCI device ID isn't
used by any drivers, it's safe to move REDHAT_SDHCI device ID, avoiding
conflict with rocker.
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The 2108 chip supports MSI and MSI-X, so update the emulation
to support both chips.
Signed-off-by: Hannes Reinecke <hare@suse.de>
[Make VMStateDescription const. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
'HotplugHandler.unplug' callback is currently used as async
call to issue unplug request for device that implements it.
Renaming 'unplug' callback to 'unplug_request' should help to
avoid confusion about what callback does and would allow to
introduce 'unplug' callback that would perform actual device
removal when guest is ready for it.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Rename helper functions to make a clearer distinction between
the PCIe capability/control register feature ARI forwarding and a
device that supports the ARI feature via an ARI extended PCIe capability.
Signed-off-by: Knut Omang <knut.omang@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
It is needed by hot-unplug in order to get an indication
from the OS when the device can be physically detached.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This assures the trivial field initialization is applied for any derived
type - currently only Q35PCIHost.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
... and rebase pci_add_capability() to it.
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
make qdev_unplug()/device_set_realized() to call hotplug handler's
plug/unplug methods if available and remove not needed anymore
hot(un)plug handling from PCIDevice.
In case if hotplug handler is not available, revert to the legacy
hotplug method for compatibility with not yet converted buses.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Split pcie_cap_slot_hotplug() into hotplug/unplug callbacks
and register them as "hotplug-handler" interface implementation of
PCIE_SLOT device.
Replace pci_bus_hotplug() wiring with setting link on PCI BUS
"hotplug-handler" property to PCI_BRIDGE_DEV device.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
