Commit Graph

133 Commits

Author SHA1 Message Date
Laszlo Ersek
3cf0ecb3c4 hw/pci-bridge: add macro for "chassis_nr" property
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>
2015-06-23 22:57:47 +02:00
Laszlo Ersek
0034e56209 hw/pci-bridge: expose _test parameter in SHPC_VMSTATE()
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>
2015-06-23 22:57:47 +02:00
Gerd Hoffmann
eb6c6a6048 add pci-bridge-seat
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>
2015-06-23 17:08:22 +02:00
Peter Maydell
d8e3b729cf 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>
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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>
2015-06-11 15:33:38 +01:00
Gerd Hoffmann
ffaa050371 pci: add PCI_CLASS_INPUT_*
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>
2015-06-10 18:15:06 +02:00
Peter Maydell
d6688ba17b 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>
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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>
2015-06-04 18:33:24 +01:00
Peter Maydell
3b730f570c Patch queue for ppc - 2015-06-03
Highlights this time around:
 
   - sPAPR: endian fixes, speedups, bug fixes, hotplug basics
   - add default ram size capability for machines (sPAPR defaults to 512MB now)
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Merge remote-tracking branch 'remotes/agraf/tags/signed-ppc-for-upstream' into staging

Patch queue for ppc - 2015-06-03

Highlights this time around:

  - sPAPR: endian fixes, speedups, bug fixes, hotplug basics
  - add default ram size capability for machines (sPAPR defaults to 512MB now)

# gpg: Signature made Wed Jun  3 22:59:09 2015 BST using RSA key ID 03FEDC60
# gpg: Good signature from "Alexander Graf <agraf@suse.de>"
# gpg:                 aka "Alexander Graf <alex@csgraf.de>"

* remotes/agraf/tags/signed-ppc-for-upstream: (40 commits)
  softmmu: support up to 12 MMU modes
  tcg: add TCG_TARGET_TLB_DISPLACEMENT_BITS
  tci: do not use CPUArchState in tcg-target.h
  Add David Gibson for sPAPR in MAINTAINERS file
  pseries: Enable in-kernel H_LOGICAL_CI_{LOAD, STORE} implementations
  spapr: override default ram size to 512MB
  machine: add default_ram_size to machine class
  spapr_pci: emit hotplug add/remove events during hotplug
  spapr_pci: enable basic hotplug operations
  pci: make pci_bar useable outside pci.c
  spapr_pci: create DRConnectors for each PCI slot during PHB realize
  spapr_pci: add dynamic-reconfiguration option for spapr-pci-host-bridge
  spapr_drc: add spapr_drc_populate_dt()
  spapr_events: event-scan RTAS interface
  spapr_events: re-use EPOW event infrastructure for hotplug events
  spapr_rtas: add ibm, configure-connector RTAS interface
  spapr: add rtas_st_buffer_direct() helper
  spapr_rtas: add get-sensor-state RTAS interface
  spapr_rtas: add set-indicator RTAS interface
  spapr_rtas: add get/set-power-level RTAS interfaces
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-06-04 14:04:14 +01:00
Michael Roth
cf8c704d5a pci: make pci_bar useable outside pci.c
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>
2015-06-03 23:56:54 +02:00
Marcel Apfelbaum
6a3042b23b hw/pci: add support for NUMA nodes
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>
2015-06-03 18:19:18 +02:00
Marcel Apfelbaum
40d14bef80 hw/pci: introduce PCI Expander Bridge (PXB)
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>
2015-06-03 18:19:18 +02:00
Marcel Apfelbaum
602141d997 hw/pci: made pci_bus_num a PCIBusClass method
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>
2015-06-03 18:19:16 +02:00
Marcel Apfelbaum
ce6a28ee05 hw/pci: made pci_bus_is_root a PCIBusClass method
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>
2015-06-03 18:19:16 +02:00
Jan Beulich
7611dae8a6 xen: don't allow guest to control MSI mask register
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>
2015-06-02 15:07:00 +00:00
Pavel Fedin
38d40ff10f Add stream ID to MSI write
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>
2015-05-31 20:29:02 +02:00
Scott Feldman
dc407ae8a7 pci: add network device class 'other' for network switches
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>
2015-05-11 14:49:04 +01:00
Scott Feldman
5dcc26371d pci: add rocker device ID
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Message-id: 1426306173-24884-5-git-send-email-sfeldma@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-05-11 14:49:04 +01:00
Stefan Hajnoczi
786a4ea82e Convert (ffs(val) - 1) to ctz32(val)
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>
2015-04-28 15:36:08 +02:00
Chen Fan
98a2f30a1b pci: fix several trivial typos in comment
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>
2015-03-18 12:19:16 +01:00
Chen Fan
30b04f8711 pcie: correct mistaken register bit for End-End TLP Prefix Blocking
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>
2015-03-18 12:14:45 +01:00
Markus Armbruster
6dbcb81956 pci: Give a few helpers internal linkage
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>
2015-03-01 12:35:21 +01:00
Markus Armbruster
7ee6c1e182 pci: Permit incremental conversion of device models to realize
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>
2015-02-26 12:42:16 +01:00
Peter Maydell
73104fd399 - 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
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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>
2015-02-24 13:58:18 +00:00
Paolo Bonzini
5cd5e70159 pci: split shpc_cleanup and shpc_free
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>
2015-02-16 17:30:14 +01:00
Alexander Graf
bf439db499 pci: Allocate PCIe host bridge PCI ID
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>
2015-02-13 05:46:07 +00:00
Alexander Graf
27fb9688f9 pci: Split pcie_host_mmcfg_map()
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>
2015-01-26 20:25:52 +02:00
Scott Feldman
5aa8136020 pci: move REDHAT_SDHCI device ID to make room for Rocker
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>
2015-01-03 09:22:13 +01:00
Kevin O'Connor
ece5e5bfa1 sdhci: Define SDHCI PCI ids
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-15 17:34:44 +01:00
Hannes Reinecke
e23d04984a megasas: add MegaRAID SAS 2108 emulation
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>
2014-10-31 11:29:00 +01:00
Igor Mammedov
14d5a28fb6 qdev: HotplugHandler: Rename unplug callback to unplug_request
'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>
2014-10-15 05:03:13 +02:00
Knut Omang
821be9dbb2 pcie: Rename the pcie_cap_ari_* functions to pcie_cap_arifwd_*
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>
2014-08-25 00:16:06 +02:00
Marcel Apfelbaum
f23b6bdc3c hw/pcie: implement power controller functionality
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>
2014-06-23 17:48:42 +03:00
Andreas Färber
7c8b724826 pcie_host: Turn pcie_host_init() into an instance_init
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>
2014-05-21 15:47:50 +03:00
Laszlo Ersek
cd9aa33e2c pci: add Error-propagating pci_add_capability2()
... 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>
2014-05-08 14:19:59 -04:00
Igor Mammedov
5e95494380 hw/pci: switch to a generic hotplug handling for PCIDevice
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>
2014-02-10 10:27:00 +02:00
Igor Mammedov
a66e657e18 pci/pcie: convert PCIE hotplug to use hotplug-handler API
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>
2014-02-10 10:27:00 +02:00
Igor Mammedov
5d268704d7 pci/shpc: convert SHPC hotplug to use hotplug-handler API
Split shpc_device_hotplug() into hotplug/unplug callbacks
and register them as "hotplug-handler" interface implementation of
PCI_BRIDGE_DEV 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>
2014-02-10 10:27:00 +02:00
Igor Mammedov
2897ae0267 qdev:pci: refactor PCIDevice to use generic "hotpluggable" property
Get rid of PCIDevice specific PCIDeviceClass.no_hotplug and use
generic DeviceClass.hotpluggable field instead.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-02-10 10:26:56 +02:00
Michael S. Tsirkin
eb0acfdde6 pci: add pci_for_each_bus_depth_first
Useful for ACPI hotplug.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:06:49 +02:00
Paolo Bonzini
81e3e75b64 pci: do not export pci_bus_reset
qbus_reset_all can be used instead.  There is no semantic change
because pcibus_reset returns 1 and takes care of the device
tree traversal.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-12-23 13:12:35 +02:00
Paul Durrant
539891a85d xen-pvdevice: make device-id property compulsory
The intention of the Xen PV device is that it is used as a parent
device for PV drivers in Xen HVM guests and the set of PV drivers that
bind to the device is determined by its device ID (and possibly
vendor ID and revision). As such, the device should not have a default
device ID, it should always be supplied by the Xen toolstack.

Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2013-12-01 18:25:48 +00:00
Marcel Apfelbaum
0fbf50b6ec Revert "hw/pci: partially handle pci master abort"
This reverts commit a53ae8e934.

The patch being reverted introduced a low-priority memory region
covering all 64 bit pci address space.  This exposed the following bugs
elsewhere in the code:
 1. Some memory regions have INT64_MAX size, where the
    intent was all 64 bit address space.
    This results in a sub-page region, should be UINT64_MAX.
 2. page table rendering in exec.c ignores physical address bits
    above TARGET_PHYS_ADDR_SPACE_BITS.
    Access outside this range (e.g. from device DMA, or gdb stub)
    ends up with a wrong region.  Registering a region outside this
    range leads to page table corruption.
 3. Some regions overlap PCI hole and have same priority.
    This only works as long as no device uses the overlapping address.

It doesn't look like we can resolve all issues in time for 1.7.
Let's fix the bugs first and apply afterwards for 1.8.

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>
2013-11-10 14:30:00 +02:00
Peter Maydell
f567656a67 bswap.h: Remove le32_to_cpupu()
Replace the legacy le32_to_cpupu() with ldl_le_p().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-5-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-11-05 19:57:46 -08:00
Peter Maydell
c65e5de94d bswap.h: Remove le16_to_cpupu()
Replace the legacy le16_to_cpupu() with lduw_le_p().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-4-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-11-05 19:57:46 -08:00
Peter Maydell
6e931878c1 bswap.h: Remove cpu_to_le32wu()
Replace the legacy cpu_to_le32wu() with stl_le_p().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-3-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-11-05 19:57:45 -08:00
Peter Maydell
587ae22760 bswap.h: Remove cpu_to_le16wu()
Replace the legacy cpu_to_le16wu() with stw_le_p().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1383669517-25598-2-git-send-email-peter.maydell@linaro.org
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-11-05 19:57:45 -08:00
Anthony Liguori
b0eb759fb2 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>
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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>
2013-10-31 16:58:32 +01:00
Michael S. Tsirkin
cbcaf79e3c q35: expose mmcfg size as a property
Address is already exposed, expose size for symmetry.

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>
2013-10-14 17:48:51 +03:00
Michael S. Tsirkin
87f65245db q35: use macro for MCFG property name
Useful to make it accessible through QOM.

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>
2013-10-14 17:48:51 +03:00
Michael S. Tsirkin
6f6d282330 pcie_host: expose address format
Callers pass in the address so it's helpful for
them to be able to decode it.

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>
2013-10-14 17:48:51 +03:00
Michael S. Tsirkin
079e3e7012 pcie_host: expose UNMAPPED macro
Make it possible to test unmapped status through QMP.

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>
2013-10-14 17:48:51 +03:00
Marcel Apfelbaum
c31d04b516 hw/pci: removed irq field from PCIDevice
Instead of exposing the the irq field,
pci wrappers to qemu_set_irq or qemu_irq_*
can be used.

Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-10-14 17:11:45 +03:00
Marcel Apfelbaum
5a03e708f2 hw/pcie: AER and hot-plug events must use device's interrupt
The fields hpev_intx and aer_intx were removed because
both AER and hot-plug events must use device's interrupt.
Assert/deassert interrupts using pci irq wrappers instead.

Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-10-14 17:11:45 +03:00
Marcel Apfelbaum
d98f08f54e hw/pci: add pci wrappers for allocating and asserting irqs
Interrupt pin is selected and saved into PCI_INTERRUPT_PIN
register during device initialization. Devices should not call
directly qemu_set_irq and specify the INTx pin on each call.

Added pci_* wrappers to replace qemu_set_irq, qemu_irq_raise,
qemu_irq_lower and qemu_irq_pulse, setting the irq
based on PCI_INTERRUPT_PIN.

Added pci_allocate_irq wrapper to be used by devices that
still need PCIDevice infrastructure to assert irqs.

Renamed a static method which was named already pci_set_irq.

Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-10-14 17:11:44 +03:00
Marcel Apfelbaum
a53ae8e934 hw/pci: partially handle pci master abort
A MemoryRegion with negative priority was created and
it spans over all the pci address space.
It "intercepts" the accesses to unassigned pci
address space and will follow the pci spec:
 1. returns -1 on read
 2. does nothing on write

Note: setting the RECEIVED MASTER ABORT bit in the STATUS register
      of the device that initiated the transaction will be
      implemented in another series

Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-10-14 17:11:44 +03:00
Anthony Liguori
eb322b8155 pc,pci,virtio fixes and cleanups
This includes pc and pci cleanups and enhancements,
 and a virtio-net bugfix related to softmac programming.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging

pc,pci,virtio fixes and cleanups

This includes pc and pci cleanups and enhancements,
and a virtio-net bugfix related to softmac programming.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Sun 29 Sep 2013 01:51:16 AM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found

# By Michael S. Tsirkin (8) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
  smbios: Factor out smbios_maybe_add_str()
  smbios: Make multiple -smbios type= accumulate sanely
  smbios: Improve diagnostics for conflicting entries
  smbios: Convert to QemuOpts
  smbios: Normalize smbios_entry_add()'s error handling to exit(1)
  virtio-net: fix up HMP NIC info string on reset
  pci: remove explicit check to 64K ioport size
  piix4: disable io on reset
  piix: use 64 bit window programmed by guest
  q35: use 64 bit window programmed by guest
  pci: add helper to retrieve the 64-bit range
  range: add min/max operations on ranges
  range: add Range to typedefs
  q35: make pci window address/size match guest cfg

Message-id: 1380437951-21788-1-git-send-email-mst@redhat.com
2013-09-30 17:15:01 -05:00
Hervé Poussineau
ceae18bd74 lsi: add 53C810 variant
Currently, treat it exactly as a 53C895A.
53C895A is a 53C810 with more capabilities, so this should work.

However, this lets us test different code paths on Linux, which
don't use lastest features if it detect a 810, or on some OSes
which only support 810 and not 895A (like very old Windows NT
versions).

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-09-16 12:42:40 +02:00
Michael S. Tsirkin
4386406957 pci: add helper to retrieve the 64-bit range
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-09-15 11:49:50 +03:00
Anthony Liguori
9889e04ac1 pc,pci,virtio fixes and cleanups
This includes pc and pci cleanups and enhancements,
 and a virtio bugfix for level interrupts.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging

pc,pci,virtio fixes and cleanups

This includes pc and pci cleanups and enhancements,
and a virtio bugfix for level interrupts.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Sun 01 Sep 2013 03:15:36 AM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found

# By Michael S. Tsirkin (3) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
  virtio_pci: fix level interrupts with irqfd
  pc: reduce duplication, fix PIIX descriptions
  hw: Clean up bogus default boot order
  pci: add config space access traces
  pc: fix regression for 64 bit PCI memory
  pci: Introduce helper to retrieve a PCI device's DMA address space

Message-id: 1378023590-11109-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
2013-09-03 12:31:07 -05:00
Andreas Färber
dd301ca607 pci: Pass size to pci_bus_new_inplace()
To be passed to qbus_create_inplace().

Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2013-08-30 20:14:39 +02:00
Alexey Kardashevskiy
9eda7d373e pci: Introduce helper to retrieve a PCI device's DMA address space
A PCI device's DMA address space (possibly an IOMMU) is returned by a
method on the PCIBus.  At the moment that only has one caller, so the
method is simply open coded.  We'll need another caller for VFIO, so
this patch introduces a helper/wrapper function.

If IOMMU is not set, the pci_device_iommu_address_space() function
returns the parent's IOMMU skipping the "bus master" address space as
otherwise proper emulation would require more effort for no benefit.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[aik: added inheritance from parent if iommu is not set for the current bus]
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-08-27 08:30:48 +03:00
Andreas Färber
bcb7575068 pcie_port: Turn PCIEPort and PCIESlot into abstract QOM types
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>
2013-07-29 20:45:24 +02:00
Andreas Färber
f055e96bd4 pci-bridge: Turn PCIBridge into abstract QOM type
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>
2013-07-29 20:44:47 +02:00
Paul Durrant
8fbab3b62a Xen PV Device
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>
2013-07-29 11:13:44 +00:00
Anthony Liguori
e9acb8cea9 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>
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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>
2013-07-18 08:12:47 -05:00
Don Koch
4268b09627 pci: fix BRDIGE typo
Fix typo in macro name: PCI_CLASS_BRDIGE_PCI_INF_SUB.

Signed-off-by: Don Koch <dkoch@verizon.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2013-07-10 12:49:33 +03:00
Don Koch
e78e9ae4a9 pci-bridge: update mappings for migration/restore
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>
2013-07-10 12:49:26 +03:00
Anthony Liguori
dc11549ec2 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>
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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>
2013-07-08 08:00:23 -05:00
David Gibson
7588e2b055 pci: Fold host_buses list into PCIHostState functionality
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>
2013-07-07 23:10:57 +03:00
David Gibson
29b358f93a pci: Add root bus parameter to pci_nic_init()
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>
2013-07-07 23:10:57 +03:00
David Gibson
85c6e4fabb pci: Add root bus argument to pci_get_bus_devfn()
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>
2013-07-07 23:10:57 +03:00
David Gibson
568f0690fd pci: Replace pci_find_domain() with more general pci_root_bus_path()
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>
2013-07-07 23:10:57 +03:00
David Gibson
c473d18da1 pci: Use helper to find device's root bus in pci_find_domain()
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>
2013-07-07 23:10:57 +03:00
David Gibson
1ef7a2a2af pci: Abolish pci_find_root_bus()
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>
2013-07-07 23:10:07 +03:00
Paolo Bonzini
f487b677c2 dma: keep a device alive while it has SGLists
Reviewed-by: Anthony Liguori <aliguori@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-07-04 17:42:30 +02:00
David Gibson
6ac363b50c pci: Move pci_read_devaddr to pci-hotplug-old.c
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>
2013-07-04 10:45:31 +03:00
Paolo Bonzini
df32fd1c9f dma: eliminate DMAContext
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>
2013-06-20 16:39:52 +02:00
Avi Kivity
e00387d582 pci: use memory core for iommu support
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>
2013-06-20 16:32:47 +02:00
Keith Busch
f3c507adcd NVMe: Initial commit for new storage interface
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>
2013-06-17 17:47:59 +02:00
Gerd Hoffmann
340b50c759 pci: add VMSTATE_MSIX
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>
2013-06-03 11:37:44 +02:00
Anthony Liguori
6165daa4c8 Merge remote-tracking branch 'bonzini/scsi-next' into staging
# 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>
2013-04-22 08:05:05 -05:00
Dmitry Fleytman
881d588a98 scsi: VMWare PVSCSI paravirtual device implementation
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>
2013-04-19 10:44:17 +02:00
Michael S. Tsirkin
22773d6066 pci: add pci test device
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>
2013-04-16 01:41:53 +03:00
Paolo Bonzini
0d09e41a51 hw: move headers to include/
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>
2013-04-08 18:13:10 +02:00