Commit Graph

19266 Commits

Author SHA1 Message Date
Peter Maydell 3dabde1128 HMP pull 2017-09-14
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Merge remote-tracking branch 'remotes/dgilbert/tags/pull-hmp-20170914' into staging

HMP pull 2017-09-14

# gpg: Signature made Thu 14 Sep 2017 15:57:30 BST
# gpg:                using RSA key 0x0516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A  9FA9 0516 331E BC5B FDE7

* remotes/dgilbert/tags/pull-hmp-20170914:
  hmp: introduce 'info memory_size_summary' command
  qmp: introduce query-memory-size-summary command
  hmp: extend "info numa" with hotplugged memory information
  tests/hmp: test "none" machine with memory
  dump: do not dump non-existent guest memory
  hmp: fix "dump-quest-memory" segfault (arm)
  hmp: fix "dump-quest-memory" segfault (ppc)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-14 16:33:02 +01:00
Vadim Galitsyn 9aa3397f19 qmp: introduce query-memory-size-summary command
Add a new query-memory-size-summary command which provides the
following memory information in bytes:

  * base-memory - size of "base" memory specified with command line option -m.

  * plugged-memory - amount of memory that was hot-plugged.
    If target does not have CONFIG_MEM_HOTPLUG enabled, no
    value is reported.

Signed-off-by: Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>
Signed-off-by: Mohammed Gamal <mohammed.gamal@profitbricks.com>
Signed-off-by: Eduardo Otubo <eduardo.otubo@profitbricks.com>
Signed-off-by: Vadim Galitsyn <vadim.galitsyn@profitbricks.com>
Reviewed-by: Eugene Crosser <evgenii.cherkashin@profitbricks.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Cc: qemu-devel@nongnu.org
Message-Id: <20170829153022.27004-3-vadim.galitsyn@profitbricks.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
  Fixup comments as per Igor's review
  Added 'of' from Vadim's reply
2017-09-14 15:52:10 +01:00
Peter Maydell dae288d7d8 usb: misc small fixes.
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Merge remote-tracking branch 'remotes/kraxel/tags/usb-20170913-pull-request' into staging

usb: misc small fixes.

# gpg: Signature made Wed 13 Sep 2017 10:28:25 BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/usb-20170913-pull-request:
  usb: only build usb-host with CONFIG_USB=y
  usb: drop HOST_USB
  MAINTAINERS: add missing USB entry
  xhci: Avoid DMA when ERSTBA is set to zero

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-14 15:49:30 +01:00
Peter Maydell bcf9e2c0a5 vga: bugfixes.
qxl: chunked cursor support.
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Merge remote-tracking branch 'remotes/kraxel/tags/vga-20170913-pull-request' into staging

vga: bugfixes.
qxl: chunked cursor support.

# gpg: Signature made Wed 13 Sep 2017 08:41:08 BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/vga-20170913-pull-request:
  virtio-gpu: don't clear QemuUIInfo information on reset
  vga/migration: Update memory map in post_load
  qxl: add support for chunked cursors.
  qxl: drop mono cursor support
  vga: stop passing pointers to vga_draw_line* functions
  vga: fix display update region calculation (split screen)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-14 12:58:13 +01:00
Gerd Hoffmann 2041649f0b usb: only build usb-host with CONFIG_USB=y
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-id: 20170908111217.21985-3-kraxel@redhat.com
2017-09-13 10:44:49 +02:00
Gerd Hoffmann 4e5ee5b21c usb: drop HOST_USB
Nowdays we use libusb for usb-host, so we don't have different code
for linux vs. bsd any more.  So there is little reason to have the
HOST_USB variable, we can just write things directly into the Makefile
and avoid a pointless indirection.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20170908111217.21985-2-kraxel@redhat.com
2017-09-13 10:44:49 +02:00
Alexey Kardashevskiy 6100dda70d xhci: Avoid DMA when ERSTBA is set to zero
The existing XHCI code reads the Event Ring Segment Table Base Address
Register (ERSTBA) every time when it is changed. However zero is its
default state so one would think that zero there means it is not in use.

This adds a check for ERSTBA in addition to the existing check for
the Event Ring Segment Table Size Register (ERSTSZ).

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-id: 20170911065606.40600-1-aik@ozlabs.ru
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-09-13 10:41:39 +02:00
Gerd Hoffmann 79d16c21a5 virtio-gpu: don't clear QemuUIInfo information on reset
Don't reset window layout information (passed via virtio_gpu_ui_info) on
device reset, so the user interface window layout will be kept intact
over reboots.  The head size and position was commented out already, so
this patch just drops the dead code.  Additionally the enabled head mask
must be kept so multihead setups work properly too.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1460595
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170906142058.2460-1-kraxel@redhat.com
2017-09-13 09:39:32 +02:00
Peter Maydell fcea73709b pc, pci, virtio: patches queued before 2.10
A bunch of stuff that was posted before the 2.10 timeframe,
 mostly fixes/cleanups.  New PCI bridges.
 
 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, pci, virtio: patches queued before 2.10

A bunch of stuff that was posted before the 2.10 timeframe,
mostly fixes/cleanups.  New PCI bridges.

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

# gpg: Signature made Fri 08 Sep 2017 14:15:34 BST
# gpg:                using RSA key 0x281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream:
  fw_cfg: rename read callback
  pci: add reserved slot check to do_pci_register_device()
  pci: move check for existing devfn into new pci_bus_devfn_available() helper
  vmgenid: replace x-write-pointer-available hack
  vhost-user-bridge: fix resume regression (since 2.9)
  libvhost-user: support resuming vq->last_avail_idx based on used_idx
  acpi/vmgenid: change device category to misc
  intel_iommu: fix missing BQL in pt fast path
  docs: update documentation considering PCIE-PCI bridge
  hw/pci: add QEMU-specific PCI capability to the Generic PCI Express Root Port
  hw/pci: introduce bridge-only vendor-specific capability to provide some hints to firmware
  hw/pci: introduce pcie-pci-bridge device
  Revert "ACPI: don't call acpi_pcihp_device_plug_cb on xen"
  hw/acpi: Move acpi_set_pci_info to pcihp
  hw/acpi: Limit hotplug to root bus on legacy mode
  pc: add 2.11 machine types
  vhost: Release memory references on cleanup

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-08 16:04:42 +01:00
Peter Maydell a1ae46d1b4 ppc patch queue 2017-09-08
This is the first batch of ppc related patches for qemu-2.11, and it's
 accumulated quite a few things.  Includes:
 
   * A cleanup to handling of ppc cpu models from Igor
   * First parts of fixes to handling of guest vs. host SMT modes from
     Sam Bobroff
   * Preliminary patches towards supporting the Sam460 board from
     Balaton Zoltan
   * Several fixes for hotplug logic
   * Assorted other fixes and cleanups
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.11-20170908' into staging

ppc patch queue 2017-09-08

This is the first batch of ppc related patches for qemu-2.11, and it's
accumulated quite a few things.  Includes:

  * A cleanup to handling of ppc cpu models from Igor
  * First parts of fixes to handling of guest vs. host SMT modes from
    Sam Bobroff
  * Preliminary patches towards supporting the Sam460 board from
    Balaton Zoltan
  * Several fixes for hotplug logic
  * Assorted other fixes and cleanups

# gpg: Signature made Fri 08 Sep 2017 06:28:42 BST
# gpg:                using RSA key 0x6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-2.11-20170908: (40 commits)
  ppc: spapr: Move VCPU ID calculation into sPAPR
  ppc: remove non implemented cpu models
  ppc: drop caching ObjectClass from PowerPCCPUAlias
  ppc: simplify cpu model lookup by PVR
  ppc: replace inter-function cyclic dependency/recurssion with 2 simple lookups
  ppc: make cpu alias point only to real cpu models
  ppc: make cpu_model translation to type consistent
  ppc: use macros to make cpu type name from string literal
  target/ppc: Remove old STATUS file
  PPC: KVM: Support machine option to set VSMT mode
  spapr: fallback to raw mode if best compat mode cannot be set during CAS
  hw/nvram/spapr_nvram: Device can not be created by the users
  hw/ppc/spapr_cpu_core: Add a proper check for spapr machine
  ppc4xx: Export ECB and PLB emulation
  ppc4xx_i2c: Move to hw/i2c
  ppc4xx_i2c: QOMify
  ppc4xx: Split off 4xx I2C emulation from ppc405_uc to its own file
  ppc4xx: Make MAL emulation more generic
  ppc4xx: Move MAL from ppc405_uc to ppc4xx_devs
  spapr_iommu: Realloc guest visible TCE table when hot(un)plugging vfio-pci
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-09-08 14:44:44 +01:00
Marc-André Lureau 6f6f4aec74 fw_cfg: rename read callback
The callback is called on select.

Furthermore, the next patch introduced a new callback, so rename the
function type with a generic name.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-09-08 16:15:17 +03:00
Mark Cave-Ayland 8b8849844f pci: add reserved slot check to do_pci_register_device()
Add a new slot_reserved_mask bitmask to PCIBus indicating whether or not each
PCI slot on the bus is reserved. Ensure that it is initialised to zero to
maintain the existing behaviour that all slots are available by default, and
add the additional check with appropriate error reporting to
do_pci_register_device().

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-09-08 16:15:17 +03:00
Mark Cave-Ayland 9b717a3a13 pci: move check for existing devfn into new pci_bus_devfn_available() helper
Also touch up the logic in do_pci_register_device() accordingly.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-09-08 16:15:17 +03:00
Marc-André Lureau c8389550de vmgenid: replace x-write-pointer-available hack
This compat property sole function is to prevent the device from being
instantiated. Instead of requiring an extra compat property, check if
fw_cfg has DMA enabled.

fw_cfg is a built-in device that is initialized very early by the
machine init code.  We have at least one other device that also
assumes fw_cfg_find() can be safely used on realize: pvpanic.

This has the additional benefit of handling other cases properly, like:

  $ qemu-system-x86_64 -device vmgenid -machine none
  qemu-system-x86_64: -device vmgenid: vmgenid requires DMA write support in fw_cfg, which this machine type does not provide
  $ qemu-system-x86_64 -device vmgenid -machine pc-i440fx-2.9 -global fw_cfg.dma_enabled=off
  qemu-system-x86_64: -device vmgenid: vmgenid requires DMA write support in fw_cfg, which this machine type does not provide
  $ qemu-system-x86_64 -device vmgenid -machine pc-i440fx-2.6 -global fw_cfg.dma_enabled=on
  [boots normally]

Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Ben Warren <ben@skyportsystems.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-09-08 16:15:17 +03:00
Yoni Bettan 0b4a775188 acpi/vmgenid: change device category to misc
Moved vmgenid from uncategorized to misc category in QEMU help menu

Signed-off-by: Yoni Bettan <ybettan@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-09-08 16:15:17 +03:00
Peter Xu 66a4a0318e intel_iommu: fix missing BQL in pt fast path
In vtd_switch_address_space() we did the memory region switch, however
it's possible that the caller of it has not taken the BQL at all. Make
sure we have it.

CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Jason Wang <jasowang@redhat.com>
CC: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-09-08 16:15:17 +03:00
Aleksandr Bezzubikov 226263fb5c hw/pci: add QEMU-specific PCI capability to the Generic PCI Express Root Port
To enable hotplugging of a newly created pcie-pci-bridge,
we need to tell firmware (e.g. SeaBIOS) to reserve
additional buses or IO/MEM/PREF space for pcie-root-port.
Additional bus reservation allows us to hotplug pcie-pci-bridge into this root port.
The number of buses and IO/MEM/PREF space to reserve are provided to the device via
a corresponding property, and to the firmware via new PCI capability.
The properties' default values are -1 to keep default behavior unchanged.

Signed-off-by: Aleksandr Bezzubikov <zuban32s@gmail.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Tested-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-09-08 16:15:17 +03:00
Aleksandr Bezzubikov 70e1ee59bb hw/pci: introduce bridge-only vendor-specific capability to provide some hints to firmware
On PCI init PCI bridges may need some extra info about bus number,
IO, memory and prefetchable memory to reserve. QEMU can provide this
with a special vendor-specific PCI capability.

Signed-off-by: Aleksandr Bezzubikov <zuban32s@gmail.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Tested-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-09-08 16:15:17 +03:00
Aleksandr Bezzubikov a35fe22655 hw/pci: introduce pcie-pci-bridge device
Introduce a new PCIExpress-to-PCI Bridge device,
which is a hot-pluggable PCI Express device and
supports devices hot-plug with SHPC.

This device is intended to replace the DMI-to-PCI Bridge.

Signed-off-by: Aleksandr Bezzubikov <zuban32s@gmail.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Tested-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-09-08 16:15:17 +03:00
Anthony PERARD 2bed1ba77f Revert "ACPI: don't call acpi_pcihp_device_plug_cb on xen"
This reverts commit 153eba4726.

This patch prevents PCI passthrough hotplug on Xen. Even if the Xen tool
stack prepares its own ACPI tables, we still rely on QEMU for hotplug
ACPI notifications.

The original issue is fixed by the two previous patch:
  hw/acpi: Limit hotplug to root bus on legacy mode
  hw/acpi: Move acpi_set_pci_info to pcihp

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-09-08 16:15:17 +03:00
Anthony PERARD ab938ae43f hw/acpi: Move acpi_set_pci_info to pcihp
HW part of ACPI PCI hotplug in QEMU depends on ACPI_PCIHP_PROP_BSEL
being set on a PCI bus that supports ACPI hotplug. It should work
regardless of the source of ACPI tables (QEMU generator/legacy SeaBIOS/Xen).
So move ACPI_PCIHP_PROP_BSEL initialization into HW ACPI implementation
part from QEMU's ACPI table generator.

To do PCI passthrough with Xen, the property ACPI_PCIHP_PROP_BSEL needs
to be set, but this was done only when ACPI tables are built which is
not needed for a Xen guest. The need for the property starts with commit
"pc: pcihp: avoid adding ACPI_PCIHP_PROP_BSEL twice"
(f0c9d64a68).

Adding find_i440fx into stubs so that mips-softmmu target can be built.

Reported-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-09-08 16:15:17 +03:00
Anthony PERARD f5855994fe hw/acpi: Limit hotplug to root bus on legacy mode
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-09-08 16:15:17 +03:00
Marcel Apfelbaum a6fd5b0e05 pc: add 2.11 machine types
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>
2017-09-08 16:15:17 +03:00
Alex Williamson ee4c112846 vhost: Release memory references on cleanup
vhost registers a MemoryListener where it adds and removes references
to MemoryRegions as the MemoryRegionSections pass through.  The
region_add callback is invoked for each existing section when the
MemoryListener is registered, but unregistering the MemoryListener
performs no reciprocal region_del callback.  It's therefore the
owner of the MemoryListener's responsibility to cleanup any persistent
changes, such as these memory references, after unregistering.

The consequence of this bug is that if we have both a vhost device
and a vfio device, the vhost device will reference any mmap'd MMIO of
the vfio device via this MemoryListener.  If the vhost device is then
removed, those references remain outstanding.  If we then attempt to
remove the vfio device, it never gets finalized and the only way to
release the kernel file descriptors is to terminate the QEMU process.

Fixes: dfde4e6e1a ("memory: add ref/unref calls")
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-stable@nongnu.org # v1.6.0+
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-09-08 16:15:17 +03:00
Kamil Rytarowski 757704f1b7 e1000: Rename the SEC symbol to SEQEC
SunOS defines SEC in <sys/time.h> as 1 (commonly used time symbols).

This fixes build on SmartOS (Joyent).

Patch cherry-picked from pkgsrc by jperkin (Joyent).

Signed-off-by: Kamil Rytarowski <n54@gmx.com>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2017-09-08 08:17:37 +08:00
Matt Parker 726ec828bd net: rtl8139: do not use old_mmio accesses
Both io and memory use the same mmio functions in the rtl8139 device.
This patch removes the separate MemoryRegionOps and old_mmio accessors
for memory, and replaces it with an alias to the io memory region.

Signed-off-by: Matt Parker <mtparkr@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2017-09-08 08:17:37 +08:00
Mao Zhongyi ac7bc03140 net/rocker: Fix the unusual macro name
Cc: jasowang@redhat.com
Cc: jiri@resnulli.us
Cc: armbru@redhat.com
Cc: f4bug@amsat.org
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2017-09-08 08:17:37 +08:00
Mao Zhongyi 0c8f86ea98 net/rocker: Convert to realize()
The rocker device still implements the old PCIDeviceClass .init()
instead of the new .realize(). All devices need to be converted to
.realize().

.init() reports errors with fprintf() and return 0 on success, negative
number on failure. Meanwhile, when -device rocker fails, it first report
a specific error, then a generic one, like this:

    $ x86_64-softmmu/qemu-system-x86_64 -device rocker,name=qemu-rocker
    rocker: name too long; please shorten to at most 9 chars
    qemu-system-x86_64: -device rocker,name=qemu-rocker: Device initialization failed

Now, convert it to .realize() that passes errors to its callers via its
errp argument. Also avoid the superfluous second error message. After
the patch, effect like this:

    $ x86_64-softmmu/qemu-system-x86_64 -device rocker,name=qemu-rocker
    qemu-system-x86_64: -device rocker,name=qemu-rocker: name too long; please shorten to at most 9 chars

Cc: jasowang@redhat.com
Cc: jiri@resnulli.us
Cc: armbru@redhat.com
Cc: f4bug@amsat.org
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2017-09-08 08:17:37 +08:00
Mao Zhongyi 1343a107e4 net/rocker: Plug memory leak in pci_rocker_init()
pci_rocker_init() leaks a World when the name more than 9 chars,
then return a negative value directly, doesn't make a correct
cleanup. So add a new goto label to fix it.

Cc: jasowang@redhat.com
Cc: jiri@resnulli.us
Cc: armbru@redhat.com
Cc: f4bug@amsat.org
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2017-09-08 08:17:37 +08:00
Mao Zhongyi 107e4b352c net/rocker: Remove the dead error handling
Memory allocation functions like world_alloc, desc_ring_alloc etc,
they are all wrappers around g_malloc, g_new etc. But g_malloc and
similar functions doesn't return null. Because they ignore the fact
that g_malloc() of 0 bytes returns null. So error checks for these
allocation failure are superfluous. Now, remove them entirely.

Cc: jasowang@redhat.com
Cc: jiri@resnulli.us
Cc: armbru@redhat.com
Cc: f4bug@amsat.org
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2017-09-08 08:17:37 +08:00
Sam Bobroff 7cca3e466e ppc: spapr: Move VCPU ID calculation into sPAPR
Move the calculation of a CPU's VCPU ID out of the generic PPC code
(ppc_cpu_realizefn()) and into sPAPR specific code
(spapr_cpu_core_realize()) where it belongs.

Unfortunately, due to the way things are ordered, we still need to
default the VCPU ID in ppc_cpu_realizfn() but at least doing that
doesn't require any interaction with sPAPR.

Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
Igor Mammedov c5354f54aa ppc: make cpu_model translation to type consistent
PPC handles -cpu FOO rather incosistently,
i.e. it does case-insensitive matching of FOO to
a CPU type (see: ppc_cpu_compare_class_name) but
handles alias names as case-sensitive, as result:

 # qemu-system-ppc64 -M mac99 -cpu g3
 qemu-system-ppc64: unable to find CPU model ' kN�U'

 # qemu-system-ppc64 -cpu 970MP_V1.1
 qemu-system-ppc64: Unable to find sPAPR CPU Core definition

while

 # qemu-system-ppc64 -M mac99 -cpu G3
 # qemu-system-ppc64 -cpu 970MP_v1.1

start up just fine.

Considering we can't take case-insensitive matching away,
make it case-insensitive for  all alias/type/core_type
lookups.

As side effect it allows to remove duplicate core types
which are the same except of using different cased letters in name.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
Sam Bobroff fa98fbfcdf PPC: KVM: Support machine option to set VSMT mode
KVM now allows writing to KVM_CAP_PPC_SMT which has previously been
read only. Doing so causes KVM to act, for that VM, as if the host's
SMT mode was the given value. This is particularly important on Power
9 systems because their default value is 1, but they are able to
support values up to 8.

This patch introduces a way to control this capability via a new
machine property called VSMT ("Virtual SMT"). If the value is not set
on the command line a default is chosen that is, when possible,
compatible with legacy systems.

Note that the intialization of KVM_CAP_PPC_SMT has changed slightly
because it has changed (in KVM) from a global capability to a
VM-specific one. This won't cause a problem on older KVMs because VM
capabilities fall back to global ones.

Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
Greg Kurz cc7b35b169 spapr: fallback to raw mode if best compat mode cannot be set during CAS
KVM PR doesn't allow to set a compat mode. This causes ppc_set_compat_all()
to fail and we return H_HARDWARE to the guest right away.

This is excessive: even if we favor compat mode since commit 152ef803ce,
we should at least fallback to raw mode if the guest supports it.

This patch modifies cas_check_pvr() so that it also reports that the real
PVR was found in the table supplied by the guest. Note that this is only
makes sense if raw mode isn't explicitely disabled (ie, the user didn't
set the machine "max-cpu-compat" property). If this is the case, we can
simply ignore ppc_set_compat_all() failures, and let the guest run in raw
mode.

Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
Thomas Huth 280503ee9d hw/nvram/spapr_nvram: Device can not be created by the users
Trying to add a spapr-nvram device currently aborts QEMU like this:

$ ppc64-softmmu/qemu-system-ppc64  -device spapr-nvram
qemu-system-ppc64: hw/ppc/spapr_rtas.c:407: spapr_rtas_register:
 Assertion `!rtas_table[token].name' failed.
Aborted (core dumped)

This NVRAM device registers RTAS calls during its realize function
and thus can only be used once - and that's internally from spapr.c.
So let's mark the device with user_creatable = false to avoid that
the users can crash their QEMU this way.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
Thomas Huth 2363d5ee23 hw/ppc/spapr_cpu_core: Add a proper check for spapr machine
QEMU currently crashes when the user tries to add a spapr-cpu-core
on a non-pseries machine:

$ qemu-system-ppc64 -S -machine ppce500,accel=tcg \
                    -device POWER5+_v2.1-spapr-cpu-core
hw/ppc/spapr_cpu_core.c:178:spapr_cpu_core_realize_child:
Object 0x55cee1f55160 is not an instance of type spapr-machine
Aborted (core dumped)

So let's add a proper check for the correct machine time with
a more friendly error message here.

Reported-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
BALATON Zoltan 97c2acb550 ppc4xx: Export ECB and PLB emulation
Make these device models available outside ppc405_uc.c for reuse in
460EX emulation. They are left in their current place for now because
they are used mostly unchanged and I'm not sure these correctly model
the components in 440 SoCs (but they seem to be good enough). These
functions could be moved in a subsequent clean up series when this is
confirmed.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
BALATON Zoltan 44a935d8c3 ppc4xx_i2c: Move to hw/i2c
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
BALATON Zoltan 3b09bb0fb9 ppc4xx_i2c: QOMify
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
BALATON Zoltan 65ca801bf4 ppc4xx: Split off 4xx I2C emulation from ppc405_uc to its own file
This device appears in other SoCs as well not just in 405 ones and
subsequent patches will modify it, so move it out of ppc405_uc.c in
preparation

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
BALATON Zoltan 0453428047 ppc4xx: Make MAL emulation more generic
Allow MAL with more RX and TX channels as found in newer versions.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
BALATON Zoltan 517284a771 ppc4xx: Move MAL from ppc405_uc to ppc4xx_devs
This device appears in other SoCs as well not just in 405 ones

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
Alexey Kardashevskiy f5509b6beb spapr_iommu: Realloc guest visible TCE table when hot(un)plugging vfio-pci
This replaces g_malloc() with spapr_tce_alloc_table() as this is
the standard way of allocating tables and this allows moving the table
back to KVM when unplugging a VFIO PCI device and VFIO TCE acceleration
support is not present in the KVM.

Although spapr_tce_alloc_table() is expected to fail with EBUSY
if called when previous fd is not closed yet, in practice we will not
see it because cap_spapr_vfio is false at the moment.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
Sam Bobroff 2e886fb391 ppc: spapr: Make VCPU ID handling private to SPAPR
The concept of a VCPU ID that differs from the CPU's index
(cpu->cpu_index) exists only within SPAPR machines so, move the
functions ppc_get_vcpu_id() and ppc_get_cpu_by_vcpu_id() into spapr.c
and rename them appropriately.

Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
Sam Bobroff 81210c2009 ppc: spapr: Rename cpu_dt_id to vcpu_id
This field actually records the VCPU ID used by KVM and, although the
value is also used in the device tree it is primarily the VCPU ID so
rename it as such.

Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
[dwg: Updated comment missed in cpu.h]
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
Sam Bobroff 6d53657019 e500: Use cpu_index instead of vcpu_dt_id
The e500 platform code uses the function ppc_get_vcpu_dt_id() to get
an id to put in its device tree.  Which seems like it makes sense, but
ppc_get_vcpu_dt_id() is actually badly named - it only differs from
cpu_index in cases where you're running on KVM HV and the host's
number of threads differs from the guests.  Since KVM HV only supports
PAPR, not e500, it doesn't make sense to use it here.

Simply use the cpu_index instead (which is 'i' in this context
because qemu_get_cpu(i) returns the cpu with cpu_index == i).

Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
[dwg: Rewrote commit message]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
Greg Kurz e2676b1697 spapr: add pseries-2.11 machine type
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:55 +10:00
Greg Kurz ea359d20e6 spapr_iommu: unregister vmstate at unrealize time
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:54 +10:00
Michael Roth 8dc9785ca0 spapr_iommu: pass object ownership to parent/owner
TCE table objects attach themselves to an owner as a child
property. unref afterward to allow them to be finalized
when their owner is finalized.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:54 +10:00
Michael Roth f3f4103034 spapr_drc: pass object ownership to parent/owner
DRC objects attach themselves to an owner as a child
property. unref afterward to allow them to be finalized
when their owner is finalized.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-09-08 09:30:54 +10:00