Commit Graph

3228 Commits

Author SHA1 Message Date
Juan Quintela
c0b5be5247 check: Only test pvpanic when it is compiled in
It was not possible to compile out pvpanic.  Use the same trick
than applesmc.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2018-08-21 19:52:16 +02:00
Cédric Le Goater
ef01ed9d19 spapr: introduce a IRQ controller backend to the machine
This proposal moves all the related IRQ routines of the sPAPR machine
behind a sPAPR IRQ backend interface 'spapr_irq' to prepare for future
changes. First of which will be to increase the size of the IRQ number
space, then, will follow a new backend for the POWER9 XIVE IRQ controller.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-08-21 14:28:45 +10:00
Cédric Le Goater
82cffa2eb2 spapr: introduce a fixed IRQ number space
This proposal introduces a new IRQ number space layout using static
numbers for all devices, depending on a device index, and a bitmap
allocator for the MSI IRQ numbers which are negotiated by the guest at
runtime.

As the VIO device model does not have a device index but a "reg"
property, we introduce a formula to compute an IRQ number from a "reg"
value. It should minimize most of the collisions.

The previous layout is kept in pre-3.1 machines raising the
'legacy_irq_allocation' machine class flag.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-08-21 14:28:45 +10:00
Greg Kurz
71c55a1eef xics: don't include "target/ppc/cpu-qom.h" in "hw/ppc/xics.h"
The last user of the PowerPCCPU typedef in "hw/ppc/xics.h" vanished with
commit b1fd36c363. It isn't necessary to
include "target/ppc/cpu-qom.h" there anymore.

Signed-off-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-08-21 14:28:45 +10:00
Alexey Kardashevskiy
c26bc185b7 vfio/spapr: Allow backing bigger guest IOMMU pages with smaller physical pages
At the moment the PPC64/pseries guest only supports 4K/64K/16M IOMMU
pages and POWER8 CPU supports the exact same set of page size so
so far things worked fine.

However POWER9 supports different set of sizes - 4K/64K/2M/1G and
the last two - 2M and 1G - are not even allowed in the paravirt interface
(RTAS DDW) so we always end up using 64K IOMMU pages, although we could
back guest's 16MB IOMMU pages with 2MB pages on the host.

This stores the supported host IOMMU page sizes in VFIOContainer and uses
this later when creating a new DMA window. This uses the system page size
(64k normally, 2M/16M/1G if hugepages used) as the upper limit of
the IOMMU pagesize.

This changes the type of @pagesize to uint64_t as this is what
memory_region_iommu_get_min_page_size() returns and clz64() takes.

There should be no behavioral changes on platforms other than pseries.
The guest will keep using the IOMMU page size selected by the PHB pagesize
property as this only changes the underlying hardware TCE table
granularity.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-08-21 14:28:45 +10:00
Peter Maydell
d0092d90eb First round of s390x patches for 3.1:
- add compat machine for 3.1
 - remove deprecated 's390-squash-mcss' option
 - cpu models: add "max" cpu model, enhance feature group code
 - kvm: add support for etoken facility and huge page backing
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20180820' into staging

First round of s390x patches for 3.1:
- add compat machine for 3.1
- remove deprecated 's390-squash-mcss' option
- cpu models: add "max" cpu model, enhance feature group code
- kvm: add support for etoken facility and huge page backing

# gpg: Signature made Mon 20 Aug 2018 13:47:38 BST
# gpg:                using RSA key DECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>"
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>"
# gpg:                 aka "Cornelia Huck <cohuck@redhat.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20180820:
  s390x: Enable KVM huge page backing support
  s390x/kvm: add etoken facility
  linux-headers: update
  s390x/cpumodel: Add "-cpu max" support
  s390x: remove 's390-squash-mcss' option
  s390x/cpumodel: enum type S390FeatGroup now gets generated
  s390x: introduce 3.1 compat machine

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-20 17:41:18 +01:00
Cornelia Huck
36699ab480 s390x: remove 's390-squash-mcss' option
This option has been deprecated for two releases; remove it.

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-08-20 14:18:49 +02:00
Cornelia Huck
9ca056d68f s390x: introduce 3.1 compat machine
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-08-20 14:18:49 +02:00
Peter Maydell
112a829f8f hw/dma/pl080: Don't use CPU address space for DMA accesses
Currently our PL080/PL081 model uses a combination of the CPU's
address space (via cpu_physical_memory_{read,write}()) and the
system address space for performing DMA accesses.

For the PL081s in the MPS FPGA images, their DMA accesses
must go via Master Security Controllers. Switch the
PL080/PL081 model to take a MemoryRegion property which
defines its downstream for making DMA accesses.

Since the PL08x are only used in two board models, we
make provision of the 'downstream' link mandatory and convert
both users at once, rather than having it be optional with
a default to the system address space.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2018-08-20 11:24:33 +01:00
Peter Maydell
6d0ed6ba6c hw/dma/pl080: Support all three interrupt lines
The PL080 and PL081 have three outgoing interrupt lines:
 * DMACINTERR signals DMA errors
 * DMACINTTC is the DMA count interrupt
 * DMACINTR is a combined interrupt, the logical OR of the other two

We currently only implement DMACINTR, because that's all the
realview and versatile boards needed, but the instances of the
PL081 in the MPS2 firmware images use all three interrupt lines.
Implement the missing DMACINTERR and DMACINTTC.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2018-08-20 11:24:33 +01:00
Peter Maydell
aa74e355f1 hw/dma/pl080: Allow use as embedded-struct device
Create a new include file for the pl081's device struct,
type macros, etc, so that it can be instantiated using
the "embedded struct" coding style.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2018-08-20 11:24:33 +01:00
Peter Maydell
050c2ea07b hw/watchdog/cmsdk_apb_watchdog: Implement CMSDK APB watchdog module
The Arm Cortex-M System Design Kit includes a simple watchdog module
based on a 32-bit down-counter. Implement this.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-20 11:24:33 +01:00
Peter Maydell
3eff40dbf4 hw/misc: Remove mmio_interface device
The mmio_interface device was a purely internal artifact
of the implementation of the memory subsystem's request_ptr
APIs. Now that we have removed those APIs, we can remove
the mmio_interface device too.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: KONRAD Frederic <frederic.konrad@adacore.com>
Message-id: 20180817114619.22354-4-peter.maydell@linaro.org
2018-08-20 11:24:32 +01:00
Hans-Erik Floryd
3c54cf7705 imx_serial: Generate interrupt on receive data ready if enabled
Generate an interrupt if USR2_RDR and UCR4_DREN are both set.

Signed-off-by: Hans-Erik Floryd <hans-erik.floryd@rt-labs.com>
Message-id: 1534341354-11956-1-git-send-email-hans-erik.floryd@rt-labs.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-20 11:24:31 +01:00
Peter Maydell
adaec191bf Machine queue, 2018-08-17
* Allow machine classes to specify if boot device suffixes should
   be ignored by get_boot_devices_list()
 * Tiny coding style fixup
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Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging

Machine queue, 2018-08-17

* Allow machine classes to specify if boot device suffixes should
  be ignored by get_boot_devices_list()
* Tiny coding style fixup

# gpg: Signature made Fri 17 Aug 2018 19:29:22 BST
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/machine-next-pull-request:
  fw_cfg: ignore suffixes in the bootdevice list dependent on machine class
  sysbus: always allow explicit_ofw_unit_address() to override address generation
  machine: Fix coding style at machine_run_board_init()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-20 09:48:03 +01:00
Alex Williamson
238e917285 vfio/ccw/pci: Allow devices to opt-in for ballooning
If a vfio assigned device makes use of a physical IOMMU, then memory
ballooning is necessarily inhibited due to the page pinning, lack of
page level granularity at the IOMMU, and sufficient notifiers to both
remove the page on balloon inflation and add it back on deflation.
However, not all devices are backed by a physical IOMMU.  In the case
of mediated devices, if a vendor driver is well synchronized with the
guest driver, such that only pages actively used by the guest driver
are pinned by the host mdev vendor driver, then there should be no
overlap between pages available for the balloon driver and pages
actively in use by the device.  Under these conditions, ballooning
should be safe.

vfio-ccw devices are always mediated devices and always operate under
the constraints above.  Therefore we can consider all vfio-ccw devices
as balloon compatible.

The situation is far from straightforward with vfio-pci.  These
devices can be physical devices with physical IOMMU backing or
mediated devices where it is unknown whether a physical IOMMU is in
use or whether the vendor driver is well synchronized to the working
set of the guest driver.  The safest approach is therefore to assume
all vfio-pci devices are incompatible with ballooning, but allow user
opt-in should they have further insight into mediated devices.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2018-08-17 09:27:16 -06:00
Mark Cave-Ayland
907aac2f6a fw_cfg: ignore suffixes in the bootdevice list dependent on machine class
For the older machines (such as Mac and SPARC) the DT nodes representing
bootdevices for disk nodes are irregular for mainly historical reasons.

Since the majority of bootdevice nodes for these machines either do not have a
separate disk node or require different (custom) names then it is much easier
for processing to just disable all suffixes for a particular machine.

Introduce a new ignore_boot_device_suffixes MachineClass property to control
bootdevice suffix generation, defaulting to false in order to preserve
compatibility.

Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20180810124027.10698-1-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-08-16 22:27:43 -03:00
Cédric Le Goater
ebe31c0a8e aspeed: add a max_ram_size property to the memory controller
This will be used to construct a memory region beyond the RAM region
to let firmwares scan the address space with load/store to guess how
much RAM the SoC has.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Tested-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20180807075757.7242-7-joel@jms.id.au
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-16 14:29:58 +01:00
Joel Stanley
d131bc28a6 aspeed_sdmc: Fix saved values
This fixes the intended protection of read-only values in the
configuration register. They were being always set to zero by mistake.

The read-only fields depend on the configured memory size of the system,
so they cannot be fixed at compile time. The most straight forward
option was to store them in the state structure.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Tested-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20180807075757.7242-3-joel@jms.id.au
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-16 14:29:58 +01:00
Joel Stanley
a40085d2ee aspeed_sdmc: Extend number of valid registers
The SDMC on the ast2500 has 170 registers.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Tested-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20180807075757.7242-2-joel@jms.id.au
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-16 14:29:58 +01:00
Su Hang
e4a25ed919 loader: Implement .hex file loader
This patch adds Intel Hexadecimal Object File format support to the
generic loader device.  The file format specification is available here:
http://www.piclist.com/techref/fileext/hex/intel.htm

This file format is often used with microcontrollers such as the
micro:bit, Arduino, STM32, etc.  Users expect to be able to run .hex
files directly with without first converting them to ELF.  Most
micro:bit code is developed in web-based IDEs without direct user access
to binutils so it is important for QEMU to handle this file format
natively.

Signed-off-by: Su Hang <suhang16@mails.ucas.ac.cn>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20180814162739.11814-6-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-16 14:05:28 +01:00
Stefan Hajnoczi
e2336043cc loader: add rom transaction API
Image file loaders may add a series of roms.  If an error occurs partway
through loading there is no easy way to drop previously added roms.

This patch adds a transaction mechanism that works like this:

  rom_transaction_begin();
  ...call rom_add_*()...
  rom_transaction_end(ok);

If ok is false then roms added in this transaction are dropped.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20180814162739.11814-5-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-16 14:05:28 +01:00
Stefan Hajnoczi
a1c5a06224 hw/arm: make bitbanded IO optional on ARMv7-M
Some ARM CPUs have bitbanded IO, a memory region that allows convenient
bit access via 32-bit memory loads/stores.  This eliminates the need for
read-modify-update instruction sequences.

This patch makes this optional feature an ARMv7MState qdev property,
allowing boards to choose whether they want bitbanding or not.

Status of boards:
 * iotkit (Cortex M33), no bitband
 * mps2 (Cortex M3), bitband
 * msf2 (Cortex M3), bitband
 * stellaris (Cortex M3), bitband
 * stm32f205 (Cortex M3), bitband

As a side-effect of this patch, Peter Maydell noted that the Ethernet
controller on mps2 board is now accessible.  Previously they were hidden
by the bitband region (which does not exist on the real board).

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180814162739.11814-2-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-16 14:05:28 +01:00
Jean-Christophe Dubois
31cbf933f0 i.MX6UL: Add i.MX6UL SOC
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Message-id: 3853ec555d68e7e25d726170833b775796151a07.1532984236.git.jcd@tribudubois.net
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-16 14:05:28 +01:00
Jean-Christophe Dubois
781182e10f i.MX6UL: Add i.MX6UL specific CCM device
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Message-id: 34b6704ceb81b49e35ce1ad162bf758e5141ff87.1532984236.git.jcd@tribudubois.net
[PMM: fixed some comment typos etc]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-16 14:05:28 +01:00
Peter Maydell
d3bd57d9f6 Block layer patches:
- Remove deprecated -drive options for geometry/serial/addr
 - luks: Allow shared writers if the parents allow them (share-rw=on)
 - qemu-img: Fix error when trying to convert to encrypted target image
 - mirror: Fail gracefully for source == target
 - I/O throttling: Fix behaviour during drain (always ignore the limits)
 - bdrv_reopen() related fixes for bs->options/explicit_options content
 - Documentation improvements
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches:

- Remove deprecated -drive options for geometry/serial/addr
- luks: Allow shared writers if the parents allow them (share-rw=on)
- qemu-img: Fix error when trying to convert to encrypted target image
- mirror: Fail gracefully for source == target
- I/O throttling: Fix behaviour during drain (always ignore the limits)
- bdrv_reopen() related fixes for bs->options/explicit_options content
- Documentation improvements

# gpg: Signature made Wed 15 Aug 2018 12:11:43 BST
# gpg:                using RSA key 7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream: (21 commits)
  qapi: block: Remove mentions of error types which were removed
  block: Simplify append_open_options()
  block: Update bs->options if bdrv_reopen() succeeds
  block: Simplify bdrv_reopen_abort()
  block: Remove children options from bs->{options,explicit_options}
  qdict: Make qdict_extract_subqdict() accept dst = NULL
  block: drop empty .bdrv_close handlers
  block: make .bdrv_close optional
  qemu-img: fix regression copying secrets during convert
  mirror: Fail gracefully for source == target
  qapi/block: Document restrictions for node names
  block: Remove dead deprecation warning code
  block: Remove deprecated -drive option serial
  block: Remove deprecated -drive option addr
  block: Remove deprecated -drive geometry options
  luks: Allow share-rw=on
  throttle-groups: Don't allow timers without throttled requests
  qemu-iotests: Update 093 to improve the draining test
  throttle-groups: Skip the round-robin if a member is being drained
  qemu-iotests: Test removing a throttle group member with a pending timer
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-15 22:11:08 +01:00
Kevin Wolf
572023f7b2 block: Remove deprecated -drive option serial
This reinstates commit b008326744,
which was temporarily reverted for the 3.0 release so that libvirt gets
some extra time to update their command lines.

The -drive option serial was deprecated in QEMU 2.10. It's time to
remove it.

Tests need to be updated to set the serial number with -global instead
of using the -drive option.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
2018-08-15 12:50:39 +02:00
Luc Michel
55ef323358 arm/virt: Add support for GICv2 virtualization extensions
Add support for GICv2 virtualization extensions by mapping the necessary
I/O regions and connecting the maintenance IRQ lines.

Declare those additions in the device tree and in the ACPI tables.

Signed-off-by: Luc Michel <luc.michel@greensocs.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20180727095421.386-21-luc.michel@greensocs.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-14 17:17:21 +01:00
Luc Michel
75b749af0c xlnx-zynqmp: Improve GIC wiring and MMIO mapping
This commit improve the way the GIC is realized and connected in the
ZynqMP SoC. The security extensions are enabled only if requested in the
machine state. The same goes for the virtualization extensions.

All the GIC to APU CPU(s) IRQ lines are now connected, including FIQ,
vIRQ and vFIQ. The missing CPU to GIC timers IRQ connections are also
added (HYP and SEC timers).

The GIC maintenance IRQs are back-wired to the correct GIC PPIs.

Finally, the MMIO mappings are reworked to take into account the ZynqMP
specifics. The GIC (v)CPU interface is aliased 16 times:
  * for the first 0x1000 bytes from 0xf9010000 to 0xf901f000
  * for the second 0x1000 bytes from 0xf9020000 to 0xf902f000
Mappings of the virtual interface and virtual CPU interface are mapped
only when virtualization extensions are requested. The
XlnxZynqMPGICRegion struct has been enhanced to be able to catch all
this information.

Signed-off-by: Luc Michel <luc.michel@greensocs.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20180727095421.386-20-luc.michel@greensocs.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-14 17:17:21 +01:00
Luc Michel
5773c0494a intc/arm_gic: Add the virtualization extensions to the GIC state
Add the necessary parts of the virtualization extensions state to the
GIC state. We choose to increase the size of the CPU interfaces state to
add space for the vCPU interfaces (the GIC_NCPU_VCPU macro). This way,
we'll be able to reuse most of the CPU interface code for the vCPUs.

The only exception is the APR value, which is stored in h_apr in the
virtual interface state for vCPUs. This is due to some complications
with the GIC VMState, for which we don't want to break backward
compatibility. APRs being stored in 2D arrays, increasing the second
dimension would lead to some ugly VMState description. To avoid
that, we keep it in h_apr for vCPUs.

The vCPUs are numbered from GIC_NCPU to (GIC_NCPU * 2) - 1. The
`gic_is_vcpu` function help to determine if a given CPU id correspond to
a physical CPU or a virtual one.

For the in-kernel KVM VGIC, since the exposed VGIC does not implement
the virtualization extensions, we report an error if the corresponding
property is set to true.

Signed-off-by: Luc Michel <luc.michel@greensocs.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20180727095421.386-6-luc.michel@greensocs.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-14 17:17:20 +01:00
Julia Suvorova
c4379b4874 nvic: Change NVIC to support ARMv6-M
The differences from ARMv7-M NVIC are:
  * ARMv6-M only supports up to 32 external interrupts
   (configurable feature already). The ICTR is reserved.
  * Active Bit Register is reserved.
  * ARMv6-M supports 4 priority levels against 256 in ARMv7-M.

Signed-off-by: Julia Suvorova <jusual@mail.ru>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-14 17:17:19 +01:00
Marc-André Lureau
93f874fe9d virtio-gpu: fix crashes upon warm reboot with vga mode
With vga=775 on the Linux command line a first boot of the VM running
Linux works fine. After a warm reboot it crashes during Linux boot.

Before that, valgrind points out bad memory write to console
surface. The VGA code is not aware that virtio-gpu got a message
surface scanout when the display is disabled. Let's reset VGA graphic
mode when it is the case, so that a new display surface is created
when doing further VGA operations.

https://bugs.launchpad.net/qemu/+bug/1784900/

Reported-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Message-id: 20180803153235.4134-1-marcandre.lureau@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-08-07 15:03:58 +01:00
Paolo Bonzini
990e0be260 i386: do not migrate MSR_SMI_COUNT on machine types <2.12
MSR_SMI_COUNT started being migrated in QEMU 2.12.  Do not migrate it
on older machine types, or the subsection causes a load failure for
guests that use SMM.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-30 14:00:11 +02:00
Peter Maydell
59b5552f02 Bug fixes.
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

Bug fixes.

# gpg: Signature made Tue 17 Jul 2018 16:06:07 BST
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# 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:
  Document command line options with single dash
  opts: remove redundant check for NULL parameter
  i386: only parse the initrd_filename once for multiboot modules
  i386: fix regression parsing multiboot initrd modules
  virtio-scsi: fix hotplug ->reset() vs event race
  qdev: add HotplugHandler->post_plug() callback
  hw/char/serial: retry write if EAGAIN
  PC Chipset: Improve serial divisor calculation
  vhost-user-test: added proper TestServer *dest initialization in test_migrate()
  hyperv: ensure VP index equal to QEMU cpu_index
  hyperv: rename vcpu_id to vp_index
  accel: Fix typo and grammar in comment
  dump: add kernel_gs_base to QEMU CPU state

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-17 17:06:32 +01:00
Paolo Bonzini
fe04f0b4a1 hw/display/xlnx_dp: Move problematic code from instance_init to realize
aux_create_slave() calls qdev_init_nofail() which in turn "realizes"
the corresponding object. This is unlike qdev_create(), and it is wrong
because qdev_init_nofail() must not be called from an instance_init
function.  Move qdev_init_nofail() and the subsequent aux_map_slave into
the caller's realize function.

There are two more bugs that needs to be fixed here, too, where the
objects are created but not added as children.  Therefore when
you call object_unparent on them, nothing happens.

In particular dpcd and edid give you an infinite loop in bus_unparent,
because device_unparent is not called and does not remove them from
the list of devices on the bus.

Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 1531745974-17187-17-git-send-email-thuth@redhat.com
[thuth: Added Paolo's fixup for the dpcd and edid unparenting]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-17 13:12:49 +01:00
Thomas Huth
046f370fb4 hw/core/sysbus: Add a function for creating and attaching an object
A lot of functions are initializing an object and attach it immediately
afterwards to the system bus. Provide a common function for this, which
also uses object_initialize_child() to make sure that the reference
counter is correctly initialized to 1 afterwards.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 1531745974-17187-3-git-send-email-thuth@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-17 13:12:49 +01:00
Andrew Jeffery
333b9c8a68 aspeed: Implement write-1-{set, clear} for AST2500 strapping
The AST2500 SoC family changes the runtime behaviour of the hardware
strapping register (SCU70) to write-1-set/write-1-clear, with
write-1-clear implemented on the "read-only" SoC revision register
(SCU7C). For the the AST2400, the hardware strapping is
runtime-configured with read-modify-write semantics.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Message-id: 20180709143524.17480-1-andrew@aj.id.au
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-16 17:18:41 +01:00
Stefan Hajnoczi
25e8978817 qdev: add HotplugHandler->post_plug() callback
The ->pre_plug() callback is invoked before the device is realized.  The
->plug() callback is invoked when the device is being realized but
before it is reset.

This patch adds a ->post_plug() callback which is invoked after the
device has been reset.  This callback is needed by HotplugHandlers that
need to wait until after ->reset().

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20180716083732.3347-2-stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-16 16:58:16 +02:00
Cornelia Huck
44e8b4689c Revert "block: Remove deprecated -drive option serial"
This reverts commit b008326744.

Hold off removing this for one more QEMU release (current libvirt
release still uses it.)

Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-07-10 14:36:11 +02:00
Peter Maydell
3379c6cce7 x86 fix for -rc0
* Fix EPYC-IBPB compat code
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-next-pull-request' into staging

x86 fix for -rc0

* Fix EPYC-IBPB compat code

# gpg: Signature made Mon 09 Jul 2018 18:21:27 BST
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/x86-next-pull-request:
  pc: Fix typo on PC_COMPAT_2_12

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-09 18:29:00 +01:00
Eduardo Habkost
97e50dd013 pc: Fix typo on PC_COMPAT_2_12
I forgot a hyphen when amending the compat code on commit
e0051647 ("i386: Enable TOPOEXT feature on AMD EPYC CPU").

Fixes: e00516475c
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20180703011026.18650-1-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-07-09 14:20:57 -03:00
Peter Maydell
5bd366b467 boards.h: Remove doc comment reference to nonexistent function
commit b08199c6fb accidentally added a reference to a doc
comment to a nonexistent memory_region_allocate_aux_memory().
This was a leftover from a previous version of the patchset
which defined memory_region_allocate_aux_memory() for
"allocate RAM MemoryRegion and register it for migration"
and left "memory_region_init_ram()" with its original semantics
of "allocate RAM MR but do not register for migration". In
the end we decided on the approach of "memory_region_init_ram()
registers the MR for migration, and memory_region_init_ram_nomigrate()
is a new function which does not", but this comment change
got left in by mistake. Revert that part of the commit.

Reported-by: Thomas Huth <huth@tuxfamily.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20180702130605.13611-1-peter.maydell@linaro.org
2018-07-09 14:51:34 +01:00
Peter Maydell
086ede32af ptimer: Add TRIGGER_ONLY_ON_DECREMENT policy option
The CMSDK timer behaviour is that an interrupt is triggered when the
counter counts down from 1 to 0; however one is not triggered if the
counter is manually set to 0 by a guest write to the counter register.
Currently ptimer can't handle this; add a policy option to allow
a ptimer user to request this behaviour.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20180703171044.9503-2-peter.maydell@linaro.org
2018-07-09 14:51:34 +01:00
Eric Auger
b78aae9bb6 hw/arm/smmu-common: Fix devfn computation in smmu_iommu_mr
smmu_iommu_mr() aims at returning the IOMMUMemoryRegion corresponding
to a given sid. The function extracts both the PCIe bus number and
the devfn to return this data. Current computation of devfn is wrong
as it only returns the PCIe function instead of slot | function.

Fixes 32cfd7f39e ("hw/arm/smmuv3: Cache/invalidate config data")

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1530775623-32399-1-git-send-email-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-09 14:51:34 +01:00
Alistair Francis
5a7f76a3d4 hw/riscv/sifive_u: Connect the Cadence GEM Ethernet device
Connect the Cadence GEM ethernet device. This also requires us to
expose the plic interrupt lines.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Michael Clark <mjc@sifive.com>
2018-07-05 15:24:25 -07:00
Alistair Francis
647a70a10f hw/riscv/sifive_plic: Use gpios instead of irqs
Instead of creating the interrupt in lines with qemu_allocate_irq() use
qdev_init_gpio_in() as this gives us the ability to use the qdev*gpio*()
helpers later on.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Suggested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Michael Clark <mjc@sifive.com>
2018-07-05 15:24:25 -07:00
Alistair Francis
651cd8b7e1 hw/riscv/sifive_e: Create a SiFive E SoC object
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Michael Clark <mjc@sifive.com>
2018-07-05 15:24:25 -07:00
Alistair Francis
2308092b2b hw/riscv/sifive_u: Create a SiFive U SoC object
Create a SiFive Unleashed U54 SoC and use that in the sifive_u machine.

We leave the SoC, RAM, device tree and reset/fdt loading as part of the
machine. All the other device creation has been moved to the SoC.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Michael Clark <mjc@sifive.com>
2018-07-05 15:24:25 -07:00
Peter Maydell
79c2b203a9 vga: disable global_vmstate, virtio-gpu scanout tracking fixes.
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Merge remote-tracking branch 'remotes/kraxel/tags/vga-20180703-pull-request' into staging

vga: disable global_vmstate, virtio-gpu scanout tracking fixes.

# gpg: Signature made Tue 03 Jul 2018 10:44:56 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# 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-20180703-pull-request:
  vga: disable global_vmstate for 3.0+ machine types
  virtio-gpu: disable scanout when backing resource is destroyed
  virtio-gpu: update old resource too.
  virtio-gpu: tweak scanout disable.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	hw/display/qxl.c
#	hw/display/vga-isa-mm.c
2018-07-03 21:09:27 +01:00
Peter Maydell
b07cd3e748 ppc patch queue 2018-07-03
Here's a last minue pull request before today's soft freeze.  Ideally
 I would have sent this earlier, but I was waiting for a couple of
 extra fixes I knew were close.  And the freeze crept up on me, like
 always.
 
 Most of the changes here are bugfixes in any case.  There are some
 cleanups as well, which have been in my staging tree for a little
 while.  There are a couple of truly new features (some extensions to
 the sam460ex platform), but these are low risk, since they only affect
 a new and not really stabilized machine type anyway.
 
 Higlights are:
   * Mac platform improvements from Mark Cave-Ayland
   * Sam460ex improvements from BALATON Zoltan et al.
   * XICS interrupt handler cleanups from Cédric Le Goater
   * TCG improvements for atomic loads and stores from Richard
     Henderson
   * Assorted other bugfixes
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 =AHrx
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-3.0-20180703' into staging

ppc patch queue 2018-07-03

Here's a last minue pull request before today's soft freeze.  Ideally
I would have sent this earlier, but I was waiting for a couple of
extra fixes I knew were close.  And the freeze crept up on me, like
always.

Most of the changes here are bugfixes in any case.  There are some
cleanups as well, which have been in my staging tree for a little
while.  There are a couple of truly new features (some extensions to
the sam460ex platform), but these are low risk, since they only affect
a new and not really stabilized machine type anyway.

Higlights are:
  * Mac platform improvements from Mark Cave-Ayland
  * Sam460ex improvements from BALATON Zoltan et al.
  * XICS interrupt handler cleanups from Cédric Le Goater
  * TCG improvements for atomic loads and stores from Richard
    Henderson
  * Assorted other bugfixes

# gpg: Signature made Tue 03 Jul 2018 06:55:22 BST
# gpg:                using RSA key 6C38CACA20D9B392
# 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-3.0-20180703: (35 commits)
  ppc: Include vga cirrus card into the compiling process
  target/ppc: Relax reserved bitmask of indexed store instructions
  target/ppc: set is_jmp on ppc_tr_breakpoint_check
  spapr: compute default value of "hpt-max-page-size" later
  target/ppc/kvm: don't pass cpu to kvm_get_smmu_info()
  target/ppc/kvm: get rid of kvm_get_fallback_smmu_info()
  ppc440_uc: Basic emulation of PPC440 DMA controller
  sam460ex: Add RTC device
  hw/timer: Add basic M41T80 emulation
  ppc4xx_i2c: Rewrite to model hardware more closely
  hw/ppc: Give sam46ex its own config option
  fpu_helper.c: fix setting FPSCR[FI] bit
  target/ppc: Implement the rest of gen_st_atomic
  target/ppc: Implement the rest of gen_ld_atomic
  target/ppc: Use atomic min/max helpers
  target/ppc: Use MO_ALIGN for EXIWX and ECOWX
  target/ppc: Split out gen_st_atomic
  target/ppc: Split out gen_ld_atomic
  target/ppc: Split out gen_load_locked
  target/ppc: Tidy gen_conditional_store
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	hw/ppc/spapr.c
2018-07-03 14:59:27 +01:00
Gerd Hoffmann
1fcfdc435a vga: disable global_vmstate for 3.0+ machine types
Move global_vmstate from vga_common_init() parameter to VGACommonState
field.  Set global_vmstate to true for isa vga devices, so nothing
changes here.  virtio-vga and secondary-vga already set global_vmstate
to false so no change here either.  All other pci vga devices get a new
global-vmstate property, defaulting to false.  A compat property flips
it to true for older machine types.

With this in place you don't get a vmstate section naming conflict any
more when adding multiple pci vga devices to your vm.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20180702163345.17892-1-kraxel@redhat.com>
2018-07-03 11:19:49 +02:00
BALATON Zoltan
afb6e20429 ppc4xx_i2c: Rewrite to model hardware more closely
Rewrite to make it closer to how real device works so that guest OS
drivers can access I2C devices. Previously this was only a hack to
allow U-Boot to get past accessing SPD EEPROMs but to support other
I2C devices and allow guests to access them we need to model real
device more properly.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-03 09:56:52 +10:00
Cédric Le Goater
eeefd43b3c ppx/xics: introduce a parent_reset in ICSStateClass
Just like for the realize handlers, this makes possible to move the
common ICSState code of the reset handlers in the ics-base class.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-03 09:56:51 +10:00
Cédric Le Goater
0a647b76db ppc/xics: introduce a parent_realize in ICSStateClass
This makes possible to move the common ICSState code of the realize
handlers in the ics-base class.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-03 09:56:51 +10:00
Cédric Le Goater
a028dd423e ppc/xics: introduce ICP DeviceRealize and DeviceReset handlers
This changes the ICP realize and reset handlers in DeviceRealize and
DeviceReset handlers. parent handlers are now called from the
inheriting classes which is a cleaner object pattern.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-07-03 09:56:51 +10:00
Peter Maydell
e8c858944e * IEC units series (Philippe)
* Hyper-V PV TLB flush (Vitaly)
 * git archive detection (Daniel)
 * host serial passthrough fix (David)
 * NPT support for SVM emulation (Jan)
 * x86 "info mem" and "info tlb" fix (Doug)
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
 iQEcBAABAgAGBQJbOkI9AAoJEL/70l94x66DaA0IAIzJD+3hUdwDCqitlW65x/yX
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* IEC units series (Philippe)
* Hyper-V PV TLB flush (Vitaly)
* git archive detection (Daniel)
* host serial passthrough fix (David)
* NPT support for SVM emulation (Jan)
* x86 "info mem" and "info tlb" fix (Doug)

# gpg: Signature made Mon 02 Jul 2018 16:18:21 BST
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# 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: (50 commits)
  tcg: simplify !CONFIG_TCG handling of tb_invalidate_*
  i386/monitor.c: make addresses canonical for "info mem" and "info tlb"
  target-i386: Add NPT support
  serial: Open non-block
  bsd-user: Use the IEC binary prefix definitions
  linux-user: Use the IEC binary prefix definitions
  tests/crypto: Use the IEC binary prefix definitions
  vl: Use the IEC binary prefix definitions
  monitor: Use the IEC binary prefix definitions
  cutils: Do not include "qemu/units.h" directly
  hw/rdma: Use the IEC binary prefix definitions
  hw/virtio: Use the IEC binary prefix definitions
  hw/vfio: Use the IEC binary prefix definitions
  hw/sd: Use the IEC binary prefix definitions
  hw/usb: Use the IEC binary prefix definitions
  hw/net: Use the IEC binary prefix definitions
  hw/i386: Use the IEC binary prefix definitions
  hw/ppc: Use the IEC binary prefix definitions
  hw/mips: Use the IEC binary prefix definitions
  hw/mips/r4k: Constify params_size
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-07-02 19:07:19 +01:00
Philippe Mathieu-Daudé
c9ad15d71e hw/virtio: Use the IEC binary prefix definitions
It eases code review, unit is explicit.

Patch generated using:

  $ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/

and modified manually.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180625124238.25339-39-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-02 15:41:17 +02:00
Philippe Mathieu-Daudé
872a2b7c4d hw/net: Use the IEC binary prefix definitions
It eases code review, unit is explicit.

Patch generated using:

  $ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/

and modified manually.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <20180625124238.25339-35-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-02 15:41:16 +02:00
Philippe Mathieu-Daudé
ab3dd74924 hw/ppc: Use the IEC binary prefix definitions
It eases code review, unit is explicit.

Patch generated using:

  $ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/

and modified manually.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20180625124238.25339-33-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-02 15:41:16 +02:00
Philippe Mathieu-Daudé
be01029e5d hw/mips: Use the IEC binary prefix definitions
It eases code review, unit is explicit.

Patch generated using:

  $ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/
  $ git grep -n '[<>][<>]= ?[1-5]0'

and modified manually.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20180625124238.25339-31-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-02 15:41:16 +02:00
Philippe Mathieu-Daudé
f0353b0d10 hw/display: Use the IEC binary prefix definitions
It eases code review, unit is explicit.

Patch generated using:

  $ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/

and modified manually.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20180625124238.25339-15-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-02 15:41:13 +02:00
Philippe Mathieu-Daudé
3d779b93e0 hw/tpm: Use the IEC binary prefix definitions
It eases code review, unit is explicit.

Patch generated using:

  $ git grep -E '(1024|2048|4096|8192|(<<|>>).?(10|20|30))' hw/ include/hw/

and modified manually.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180625124238.25339-13-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-07-02 15:41:13 +02:00
David Hildenbrand
7de3b1cdc6 s390x/tcg: properly implement the TOD
Right now, each CPU has its own TOD. Especially, the TOD will differ
based on creation time of a CPU - e.g. when hotplugging a CPU the times
will differ quite a lot, resulting in stall warnings in the guest.

Let's use a single TOD by implementing our new TOD device. Prepare it
for TOD-clock epoch extension.

Most importantly, whenever we set the TOD, we have to update the CKC
timer.

Introduce "tcg_s390x.h" just like "kvm_s390x.h" for tcg specific
function declarations that should not go into cpu.h.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180627134410.4901-6-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-07-02 10:37:38 +02:00
David Hildenbrand
8046f374a6 s390x/tod: factor out TOD into separate device
Let's treat this like a separate device. TCG will have to store the
actual state/time later on.

Include cpu-qom.h in kvm_s390x.h (due to S390CPU) to compile tod-kvm.c.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180627134410.4901-4-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-07-02 10:37:38 +02:00
Thomas Huth
0f0f8b611e loader: Check access size when calling rom_ptr() to avoid crashes
The rom_ptr() function allows direct access to the ROM blobs that we
load during startup. However, there are currently no checks for the
size of the accesses, so it's currently possible to crash QEMU for
example with:

$ echo "Insane in the mainframe" > /tmp/test.txt
$ s390x-softmmu/qemu-system-s390x -kernel /tmp/test.txt -append xyz
Segmentation fault (core dumped)
$ s390x-softmmu/qemu-system-s390x -kernel /tmp/test.txt -initrd /tmp/test.txt
Segmentation fault (core dumped)
$ echo -n HdrS > /tmp/hdr.txt
$ sparc64-softmmu/qemu-system-sparc64 -kernel /tmp/hdr.txt -initrd /tmp/hdr.txt
Segmentation fault (core dumped)

We need a possibility to check the size of the ROM area that we want
to access, thus let's add a size parameter to the rom_ptr() function
to avoid these problems.

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1530005740-25254-1-git-send-email-thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2018-07-02 10:37:38 +02:00
Peter Maydell
ce59ecc411 Block layer patches:
- Make truncate operations asynchronous (so that preallocation in
   blockdev-create doesn't block the main loop any more)
 - usb-storage: Add rerror/werror properties
 - nvme: Add num_queues property
 - qemu-img convert: Copy offloading fixes (including data corruption fix)
 - qcow2: Fix cluster leak on temporary write error
 - Use byte-based functions instead of bdrv_co_readv/writev()
 - Various small fixes and cleanups
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches:

- Make truncate operations asynchronous (so that preallocation in
  blockdev-create doesn't block the main loop any more)
- usb-storage: Add rerror/werror properties
- nvme: Add num_queues property
- qemu-img convert: Copy offloading fixes (including data corruption fix)
- qcow2: Fix cluster leak on temporary write error
- Use byte-based functions instead of bdrv_co_readv/writev()
- Various small fixes and cleanups

# gpg: Signature made Fri 29 Jun 2018 15:08:34 BST
# gpg:                using RSA key 7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream: (29 commits)
  block: Remove unused sector-based vectored I/O
  vhdx: Switch to byte-based calls
  replication: Switch to byte-based calls
  qcow: Switch to a byte-based driver
  qcow: Switch qcow_co_writev to byte-based calls
  qcow: Switch qcow_co_readv to byte-based calls
  qcow: Switch get_cluster_offset to be byte-based
  parallels: Switch to byte-based calls
  file-posix: Fix EINTR handling
  iscsi: Don't blindly use designator length in response for memcpy
  qcow2: Fix src_offset in copy offloading
  file-posix: Implement co versions of discard/flush
  qemu-iotests: Test qcow2 not leaking clusters on write error
  qcow2: Free allocated clusters on write error
  qemu-iotests: Update 026.out.nocache reference output
  block/crypto: Simplify block_crypto_{open,create}_opts_init()
  block: Move request tracking to children in copy offloading
  qcow2: Remove dead check on !ret
  file-posix: Make .bdrv_co_truncate asynchronous
  block: Use tracked request for truncate
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-29 18:29:15 +01:00
Kevin Wolf
b8efb36b9e usb-storage: Add rerror/werror properties
The error handling policy was traditionally set with -drive, but with
-blockdev it is no longer possible to set frontend options. scsi-disk
(and other block devices) have long supported qdev properties to
configure the error handling policy, so let's add these options to
usb-storage as well and just forward them to the internal scsi-disk
instance.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
2018-06-29 14:20:56 +02:00
Peter Maydell
109b25045b * "info mtree" improvements (Alexey)
* fake VPD block limits for SCSI passthrough (Daniel Barboza)
 * chardev and main loop fixes (Daniel Berrangé, Sergio, Stefan)
 * help fixes (Eduardo)
 * pc-dimm refactoring (David)
 * tests improvements and fixes (Emilio, Thomas)
 * SVM emulation fixes (Jan)
 * MemoryRegionCache fix (Eric)
 * WHPX improvements (Justin)
 * ESP cleanup (Mark)
 * -overcommit option (Michael)
 * qemu-pr-helper fixes (me)
 * "info pic" improvements for x86 (Peter)
 * x86 TCG emulation fixes (Richard)
 * KVM slot handling fix (Shannon)
 * Next round of deprecation (Thomas)
 * Windows dump format support (Viktor)
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
 iQEcBAABAgAGBQJbNhHpAAoJEL/70l94x66D4ZoH/22cAWj2SOEVbHt1id1noVpI
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* "info mtree" improvements (Alexey)
* fake VPD block limits for SCSI passthrough (Daniel Barboza)
* chardev and main loop fixes (Daniel Berrangé, Sergio, Stefan)
* help fixes (Eduardo)
* pc-dimm refactoring (David)
* tests improvements and fixes (Emilio, Thomas)
* SVM emulation fixes (Jan)
* MemoryRegionCache fix (Eric)
* WHPX improvements (Justin)
* ESP cleanup (Mark)
* -overcommit option (Michael)
* qemu-pr-helper fixes (me)
* "info pic" improvements for x86 (Peter)
* x86 TCG emulation fixes (Richard)
* KVM slot handling fix (Shannon)
* Next round of deprecation (Thomas)
* Windows dump format support (Viktor)

# gpg: Signature made Fri 29 Jun 2018 12:03:05 BST
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# 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: (60 commits)
  tests/boot-serial: Do not delete the output file in case of errors
  hw/scsi: add VPD Block Limits emulation
  hw/scsi: centralize SG_IO calls into single function
  hw/scsi: cleanups before VPD BL emulation
  dump: add Windows live system dump
  dump: add fallback KDBG using in Windows dump
  dump: use system context in Windows dump
  dump: add Windows dump format to dump-guest-memory
  i386/cpu: make -cpu host support monitor/mwait
  kvm: support -overcommit cpu-pm=on|off
  hmp: obsolete "info ioapic"
  ioapic: support "info irq"
  ioapic: some proper indents when dump info
  ioapic: support "info pic"
  doc: another fix to "info pic"
  target-i386: Mark cpu_vmexit noreturn
  target-i386: Allow interrupt injection after STGI
  target-i386: Add NMI interception to SVM
  memory/hmp: Print owners/parents in "info mtree"
  WHPX: register for unrecognized MSR exits
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-29 12:30:29 +01:00
Daniel Henrique Barboza
a71c775b24 hw/scsi: add VPD Block Limits emulation
The VPD Block Limits Inquiry page is optional, allowing SCSI devices
to not implement it. This is the case for devices like the MegaRAID
SAS 9361-8i and Microsemi PM8069.

In case of SCSI passthrough, the response of this request is used by
the QEMU SCSI layer to set the max_io_sectors that the guest
device will support, based on the value of the max_sectors_kb that
the device has set in the host at that time. Without this response,
the guest kernel is free to assume any value of max_io_sectors
for the SCSI device. If this value is greater than the value from
the host, SCSI Sense errors will occur because the guest will send
read/write requests that are larger than the underlying host device
is configured to support. An example of this behavior can be seen
in [1].

A workaround is to set the max_sectors_kb host value back in the guest
kernel (a process that can be automated using rc.local startup scripts
and the like), but this has several drawbacks:

- it can be troublesome if the guest has many passthrough devices that
needs this tuning;

- if a change in max_sectors_kb is made in the host side, manual change
in the guests will also be required;

- during an OS install it is difficult, and sometimes not possible, to
go to a terminal and change the max_sectors_kb prior to the installation.
This means that the disk can't be used during the install process. The
easiest alternative here is to roll back to scsi-hd, install the guest
and then go back to SCSI passthrough when the installation is done and
max_sectors_kb can be set.

An easier way would be to QEMU handle the absence of the Block Limits
VPD device response, setting max_io_sectors accordingly and allowing
the guest to use the device without the hassle.

This patch adds emulation of the Block Limits VPD response for
SCSI passthrough devices of type TYPE_DISK that doesn't support
it. The following changes were made:

- scsi_handle_inquiry_reply will now check the available VPD
pages from the Inquiry EVPD reply. In case the device does not

- a new function called scsi_generic_set_vpd_bl_emulation,
that is called during device realize,  was created to set a
new flag 'needs_vpd_bl_emulation' of the device. This function
retrieves the Inquiry EVPD response of the device to check for
VPD BL support.

- scsi_handle_inquiry_reply will now check the available VPD
pages from the Inquiry EVPD reply in case the device needs
VPD BL emulation, adding the Block Limits page (0xb0) to
the list. This will make the guest kernel aware of the
support that we're now providing by emulation.

- a new function scsi_emulate_block_limits creates the
emulated Block Limits response. This function is called
inside scsi_read_complete in case the device requires
Block Limits VPD emulation and we detected a SCSI Sense
error in the VPD Block Limits reply that was issued
from the guest kernel to the device. This error is
expected: we're reporting support from our side, but
the device isn't aware of it.

With this patch, the guest now queries the Block Limits
page during the device configuration because it is being
advertised in the Supported Pages response. It will either
receive the Block Limits page from the hardware, if it supports
it, or will receive an emulated response from QEMU. At any rate,
the guest now has the information to set the max_sectors_kb
parameter accordingly, sparing the user of SCSI sense errors
that would happen without the emulated response and in the
absence of Block Limits support from the hardware.

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1566195

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1566195
Reported-by: Dac Nguyen <dacng@us.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20180627172432.11120-4-danielhb413@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-29 13:02:50 +02:00
Daniel Henrique Barboza
a0c7e35b17 hw/scsi: centralize SG_IO calls into single function
For the VPD Block Limits emulation with SCSI passthrough,
we'll issue an Inquiry request with EVPD set to retrieve
the available VPD pages of the device. This would be done in
a way similar of what scsi_generic_read_device_identification
does: create a SCSI command and a reply buffer, fill in the
sg_io_hdr_t structure, call blk_ioctl, check if an error
occurred, process the response.

This same process is done in other 2 functions, get_device_type
and get_stream_blocksize. They differ in the command/reply
buffer and post-processing, everything else is almost a
copy/paste.

Instead of adding a forth copy/pasted-ish code when adding
the passthrough VPD BL emulation, this patch extirpates
this repetition of those 3 functions and put it into
a new one called scsi_SG_IO_FROM_DEV. Any future code that
wants to execute an SG_DXFER_FROM_DEV to the device can
use it, avoiding filling sg_io_hdr_t again and et cetera.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20180627172432.11120-3-danielhb413@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-29 13:02:50 +02:00
Daniel Henrique Barboza
0a96ca2437 hw/scsi: cleanups before VPD BL emulation
To add support for the emulation of Block Limits VPD page
for passthrough devices, a few adjustments in the current code
base is required to avoid repetition and improve clarity.

In scsi-generic.c, detach the Inquiry handling from
scsi_read_complete and put it into a new function called
scsi_handle_inquiry_reply. This change aims to avoid
cluttering of scsi_read_complete when we more logic in the
Inquiry response handling is added in the next patches,
centralizing the changes in the new function.

In scsi-disk.c, take the build of all emulated VPD pages
from scsi_disk_emulate_inquiry and make it available to
other files into a non-static function called
scsi_disk_emulate_vpd_page. Making it public will allow
the future VPD BL emulation code for passthrough devices
to use it from scsi-generic.c, avoiding copy/pasting this
code solely for that purpose. It also has the advantage of
providing emulation of all VPD pages in case we need to
emulate other pages in other scenarios. As a bonus,
scsi_disk_emulate_inquiry got tidier.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20180627172432.11120-2-danielhb413@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-29 13:02:50 +02:00
Peter Xu
0c8465440d hmp: obsolete "info ioapic"
Let's start to use "info pic" just like other platforms.  For now we
keep the command for a while so that old users can know what is the new
command to use.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20171229073104.3810-6-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-28 19:05:37 +02:00
Peter Xu
cce5405e0e ioapic: support "info irq"
This include both userspace and in-kernel ioapic.  Note that the numbers
can be inaccurate for kvm-ioapic.  One reason is the same with
kvm-i8259, that when irqfd is used, irqs can be delivered all inside
kernel without our notice.  Meanwhile, kvm-ioapic is specially treated
when irq numbers <ISA_NUM_IRQS, those irqs will be delivered in kernel
too via kvm-i8259 (please refer to kvm_pc_gsi_handler).

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20171229073104.3810-5-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-28 19:05:37 +02:00
Mark Cave-Ayland
e7d99825f0 esp: remove legacy esp_init() function
Remove the legacy esp_init() function now that there are no more remaining
users.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20180613094727.11326-3-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Hervé Poussineau <hpoussin@reactos.org>
2018-06-28 19:05:36 +02:00
David Hildenbrand
f0b7bca64d pc-dimm: get_memory_region() will not fail after realize
Let's try to reduce error handling a bit. In the plug/unplug case, the
device was realized and therefore we can assume that getting access to
the memory region will not fail.

For get_vmstate_memory_region() this is already handled that way.
Document both cases.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180619134141.29478-13-david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-28 19:05:34 +02:00
David Hildenbrand
eb7fd4d0f6 nvdimm: convert nvdimm_mr into a pointer
This way we can easily check if the region has already been inititalized
without having to rely on the size of an uninitialized region being 0.

Free the region in nvdimm_finalize() and not in unrealize() as we will
allow to create the region before realization in following patches.

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180619134141.29478-11-david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-28 19:05:34 +02:00
David Hildenbrand
a57d191122 pc-dimm: merge get_(vmstate_)memory_region()
Importantly, get_vmstate_memory_region() should also fail with a proper
error if called before the device is realized. For a PCDIMM, both functions
are to return the same thing, so share the implementation.

All current users are called after the device has been realized, so we
can expect the calls to succeed.

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180619134141.29478-9-david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-28 19:05:33 +02:00
David Hildenbrand
9995c75951 pc-dimm: remove pc_dimm_get_free_slot() from header
Not used outside of pc-dimm.c and there shouldn't be other users. If
other devices (e.g. memory devices) ever have to also use slots, then we
will have to factor this out.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180619134141.29478-5-david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-28 19:05:33 +02:00
David Hildenbrand
284878ee98 pc-dimm: rename pc_dimm_memory_* to pc_dimm_*
Let's rename it to make it look more consistent.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180619134141.29478-4-david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-06-28 19:05:33 +02:00
Stefan Hajnoczi
f18793b096 compiler: add a sizeof_field() macro
Determining the size of a field is useful when you don't have a struct
variable handy.  Open-coding this is ugly.

This patch adds the sizeof_field() macro, which is similar to
typeof_field().  Existing instances are updated to use the macro.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20180614164431.29305-1-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2018-06-27 13:01:40 +01:00
Peter Maydell
00928a421d target-arm queue:
* aspeed: set APB clocks correctly (fixes slowdown on palmetto)
  * smmuv3: cache config data and TLB entries
  * v7m/v8m: support read/write from MPU regions smaller than 1K
  * various: clean up logging/debug messages
  * xilinx_spips: Make dma transactions as per dma_burst_size
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20180626' into staging

target-arm queue:
 * aspeed: set APB clocks correctly (fixes slowdown on palmetto)
 * smmuv3: cache config data and TLB entries
 * v7m/v8m: support read/write from MPU regions smaller than 1K
 * various: clean up logging/debug messages
 * xilinx_spips: Make dma transactions as per dma_burst_size

# gpg: Signature made Tue 26 Jun 2018 17:55:46 BST
# gpg:                using RSA key 3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>"
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20180626: (32 commits)
  aspeed/timer: use the APB frequency from the SCU
  aspeed: initialize the SCU controller first
  aspeed/scu: introduce clock frequencies
  hw/arm/smmuv3: Add notifications on invalidation
  hw/arm/smmuv3: IOTLB emulation
  hw/arm/smmuv3: Cache/invalidate config data
  hw/arm/smmuv3: Fix translate error handling
  target/arm: Handle small regions in get_phys_addr_pmsav8()
  target/arm: Set page (region) size in get_phys_addr_pmsav7()
  tcg: Support MMU protection regions smaller than TARGET_PAGE_SIZE
  hw/arm/stellaris: Use HWADDR_PRIx to display register address
  hw/arm/stellaris: Fix gptm_write() error message
  hw/net/smc91c111: Use qemu_log_mask(UNIMP) instead of fprintf
  hw/net/smc91c111: Use qemu_log_mask(GUEST_ERROR) instead of hw_error
  hw/net/stellaris_enet: Use qemu_log_mask(GUEST_ERROR) instead of hw_error
  hw/net/stellaris_enet: Fix a typo
  hw/arm/stellaris: Use qemu_log_mask(UNIMP) instead of fprintf
  hw/arm/omap: Use qemu_log_mask(GUEST_ERROR) instead of fprintf
  hw/arm/omap1: Use qemu_log_mask(GUEST_ERROR) instead of fprintf
  hw/i2c/omap_i2c: Use qemu_log_mask(UNIMP) instead of fprintf
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-26 18:23:49 +01:00
Cédric Le Goater
9b945a9ee3 aspeed/timer: use the APB frequency from the SCU
The timer controller can be driven by either an external 1MHz clock or
by the APB clock. Today, the model makes the assumption that the APB
frequency is always set to 24MHz but this is incorrect.

The AST2400 SoC on the palmetto machines uses a 48MHz input clock
source and the APB can be set to 48MHz. The consequence is a general
system slowdown. The QEMU machines using the AST2500 SoC do not seem
impacted today because the APB frequency is still set to 24MHz.

We fix the timer frequency for all SoCs by linking the Timer model to
the SCU model. The APB frequency driving the timers is now the one
configured for the SoC.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Message-id: 20180622075700.5923-4-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-26 17:50:42 +01:00
Cédric Le Goater
fda9aaa60e aspeed/scu: introduce clock frequencies
All Aspeed SoC clocks are driven by an input source clock which can
have different frequencies : 24MHz or 25MHz, and also, on the Aspeed
AST2400 SoC, 48MHz. The H-PLL (CPU) clock is defined from a
calculation using parameters in the H-PLL Parameter register or from a
predefined set of frequencies if the setting is strapped by hardware
(Aspeed AST2400 SoC). The other clocks of the SoC are then defined
from the H-PLL using dividers.

We introduce first the APB clock because it should be used to drive
the Aspeed timer model.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Message-id: 20180622075700.5923-2-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-26 17:50:42 +01:00
Eric Auger
832e4222c8 hw/arm/smmuv3: Add notifications on invalidation
On TLB invalidation commands, let's call registered
IOMMU notifiers. Those can only be UNMAP notifiers.
SMMUv3 does not support notification on MAP (VFIO).

This patch allows vhost use case where IOTLB API is notified
on each guest IOTLB invalidation.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1529653501-15358-5-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-26 17:50:42 +01:00
Eric Auger
cc27ed81cf hw/arm/smmuv3: IOTLB emulation
We emulate a TLB cache of size SMMU_IOTLB_MAX_SIZE=256.
It is implemented as a hash table whose key is a combination
of the 16b asid and 48b IOVA (Jenkins hash).

Entries are invalidated on TLB invalidation commands, either
globally, or per asid, or per asid/iova.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1529653501-15358-4-git-send-email-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-26 17:50:42 +01:00
Eric Auger
32cfd7f39e hw/arm/smmuv3: Cache/invalidate config data
Let's cache config data to avoid fetching and parsing STE/CD
structures on each translation. We invalidate them on data structure
invalidation commands.

We put in place a per-smmu mutex to protect the config cache. This
will be useful too to protect the IOTLB cache. The caches can be
accessed without BQL, ie. in IO dataplane. The same kind of mutex was
put in place in the intel viommu.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1529653501-15358-3-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-26 17:50:42 +01:00
Philippe Mathieu-Daudé
84b335c6d0 hw/arm/omap: Use qemu_log_mask(GUEST_ERROR) instead of fprintf
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20180624040609.17572-10-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-26 17:50:40 +01:00
Philippe Mathieu-Daudé
415202d4c9 hw/arm/omap1: Use qemu_log_mask(GUEST_ERROR) instead of fprintf
TCMI_VERBOSE is no more used, drop the OMAP_8/16/32B_REG macros.

Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20180624040609.17572-9-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-26 17:50:40 +01:00
Sai Pavan Boddu
21d887cde9 xilinx_spips: Make dma transactions as per dma_burst_size
Qspi dma has a burst length of 64 bytes, So limit the transactions w.r.t
dma-burst-size property.

Signed-off-by: Sai Pavan Boddu <saipava@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1529660880-30376-1-git-send-email-sai.pavan.boddu@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-26 17:50:39 +01:00
Peter Maydell
7e2d08863b vga: bugfix collection.
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Merge remote-tracking branch 'remotes/kraxel/tags/vga-20180626-pull-request' into staging

vga: bugfix collection.

# gpg: Signature made Tue 26 Jun 2018 17:27:23 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# 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-20180626-pull-request:
  virtio-gpu-3d: Drop workaround for VIRTIO_GPU_CAPSET_VIRGL2 define
  ramfb: fix overflow
  vga: set owner for mmio regions

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-26 17:37:56 +01:00
Peter Maydell
fd1cfb875b virtio-gpu-3d: Drop workaround for VIRTIO_GPU_CAPSET_VIRGL2 define
In commit a8bff79e9f we added a definition to hw/virtio/virtio-gpu.h
for VIRTIO_GPU_CAPSET_VIRGL2, as a workaround for it not yet being
in the Linux kernel headers. In commit 77d361b13c we updated our
kernel headers to a version which does define the macro, so we can
now remove our workaround.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20180622173249.29963-1-peter.maydell@linaro.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2018-06-26 16:04:17 +02:00
Peter Maydell
bd4e4a387a Machine queue, 2018-06-25
* Don't support --daemonize and --preconfig together
 * Deprecate machine types pc-0.10 and pc-0.11
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Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging

Machine queue, 2018-06-25

* Don't support --daemonize and --preconfig together
* Deprecate machine types pc-0.10 and pc-0.11

# gpg: Signature made Mon 25 Jun 2018 23:37:59 BST
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/machine-next-pull-request:
  hw/i386: Deprecate the machine types pc-0.10 and pc-0.11
  vl.c: do not allow --daemonize in combination with --preconfig CLI option

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-26 12:49:24 +01:00
Eduardo Habkost
0b6e9aa89e Merge branch 'master' of git://git.qemu.org/qemu into x86-next 2018-06-25 14:10:56 -03:00
Thomas Huth
08fe68244e hw/i386: Deprecate the machine types pc-0.10 and pc-0.11
The oldest machine type which is still used in a still maintained distro
is a pc-0.12 based machine type in RHEL6, so everything that is older
than pc-0.12 should not be used anymore. Thus let's deprecate pc-0.10
and pc-0.11 so that we can finally remove them in a future release.

Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1529917512-10528-1-git-send-email-thuth@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-06-25 14:10:01 -03:00
Peter Maydell
35e238c933 audio: new timer code for hda codec, fix audio_get_conf_int
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Merge remote-tracking branch 'remotes/kraxel/tags/audio-20180625-pull-request' into staging

audio: new timer code for hda codec, fix audio_get_conf_int

# gpg: Signature made Mon 25 Jun 2018 14:12:41 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# 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/audio-20180625-pull-request:
  audio: Convert use of atoi to qemu_strtoi
  audio/hda: enable new timer code by default.
  audio/hda: detect output buffer overruns
  audio/hda: tweak timer adjust logic
  audio/hda: turn some dprintfs into trace points
  audio/hda: create millisecond timers that handle IO

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-25 15:25:26 +01:00
Gerd Hoffmann
bc753dc09f audio/hda: enable new timer code by default.
Also add a compat property to disable it for old machine types,
needed for live migration compatibility.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20180622111200.30561-6-kraxel@redhat.com
2018-06-25 13:57:57 +02:00
Babu Moger
e00516475c i386: Enable TOPOEXT feature on AMD EPYC CPU
Enable TOPOEXT feature on EPYC CPU. This is required to support
hyperthreading on VM guests. Also extend xlevel to 0x8000001E.

Disable topoext on PC_COMPAT_2_12 and keep xlevel 0x8000000a.

Signed-off-by: Babu Moger <babu.moger@amd.com>
Message-Id: <1529443919-67509-3-git-send-email-babu.moger@amd.com>
[ehabkost: Added EPYC-IBPB.xlevel to PC_COMPAT_2_12]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-06-22 15:01:15 -03:00
Peter Maydell
5fce312200 target-arm queue:
* hw/intc/arm_gicv3: fix wrong values when reading IPRIORITYR
  * target/arm: fix read of freed memory in kvm_arm_machine_init_done()
  * virt: support up to 512 CPUs
  * virt: support 256MB ECAM PCI region (for more PCI devices)
  * xlnx-zynqmp: Use Cortex-R5F, not Cortex-R5
  * mps2-tz: Implement and use the TrustZone Memory Protection Controller
  * target/arm: enforce alignment checking for v6M cores
  * xen: Don't use memory_region_init_ram_nomigrate() in pci_assign_dev_load_option_rom()
  * vl.c: Don't zero-initialize statics for serial_hds
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 Version: GnuPG v1
 
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20180622' into staging

target-arm queue:
 * hw/intc/arm_gicv3: fix wrong values when reading IPRIORITYR
 * target/arm: fix read of freed memory in kvm_arm_machine_init_done()
 * virt: support up to 512 CPUs
 * virt: support 256MB ECAM PCI region (for more PCI devices)
 * xlnx-zynqmp: Use Cortex-R5F, not Cortex-R5
 * mps2-tz: Implement and use the TrustZone Memory Protection Controller
 * target/arm: enforce alignment checking for v6M cores
 * xen: Don't use memory_region_init_ram_nomigrate() in pci_assign_dev_load_option_rom()
 * vl.c: Don't zero-initialize statics for serial_hds

# gpg: Signature made Fri 22 Jun 2018 13:56:00 BST
# gpg:                using RSA key 3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>"
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20180622: (28 commits)
  xen: Don't use memory_region_init_ram_nomigrate() in pci_assign_dev_load_option_rom()
  vl.c: Don't zero-initialize statics for serial_hds
  target/arm: Strict alignment for ARMv6-M and ARMv8-M Baseline
  target/arm: Introduce ARM_FEATURE_M_MAIN
  hw/arm/mps2-tz.c: Instantiate MPCs
  hw/arm/iotkit: Wire up MPC interrupt lines
  hw/arm/iotkit: Instantiate MPC
  hw/misc/iotkit-secctl.c: Implement SECMPCINTSTATUS
  hw/misc/tz_mpc.c: Honour the BLK_LUT settings in translate
  hw/misc/tz-mpc.c: Implement correct blocked-access behaviour
  hw/misc/tz-mpc.c: Implement registers
  hw/misc/tz-mpc.c: Implement the Arm TrustZone Memory Protection Controller
  xlnx-zynqmp: Swap Cortex-R5 for Cortex-R5F
  target-arm: Add the Cortex-R5F
  hw/arm/virt: Increase max_cpus to 512
  hw/arm/virt: Use 256MB ECAM region by default
  hw/arm/virt: Add virt-3.0 machine type
  hw/arm/virt: Add a new 256MB ECAM region
  hw/arm/virt: Register two redistributor regions when necessary
  hw/arm/virt-acpi-build: Advertise one or two GICR structures
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-06-22 16:03:31 +01:00
Peter Maydell
bb75e16d5e hw/arm/iotkit: Wire up MPC interrupt lines
The interrupt outputs from the MPC in the IoTKit and the expansion
MPCs in the board must be wired up to the security controller, and
also all ORed together to produce a single line to the NVIC.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20180620132032.28865-8-peter.maydell@linaro.org
2018-06-22 13:28:40 +01:00
Peter Maydell
af60b29183 hw/arm/iotkit: Instantiate MPC
Wire up the one MPC that is part of the IoTKit itself. For the
moment we don't wire up its interrupt line.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20180620132032.28865-7-peter.maydell@linaro.org
2018-06-22 13:28:40 +01:00