Commit Graph

46751 Commits

Author SHA1 Message Date
xiaoqiang zhao 5367766742 hw/gpio: QOM'ify zaurus.c
Drop the old SysBus init function and use instance_init

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465815255-21776-8-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 15:59:13 +01:00
xiaoqiang zhao 09e6fb3e36 hw/gpio: QOM'ify pl061.c
* Merge the pl061_initfn into pl061_init
* Drop the old SysBus init function and use instance_init

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465815255-21776-7-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 15:59:13 +01:00
xiaoqiang zhao ebc116f8c3 hw/gpio: QOM'ify omap_gpio.c
* Split the old SysBus init into an instance_init and
  DeviceClass::realize function
* Drop the SysBus init function

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465815255-21776-6-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 15:59:13 +01:00
xiaoqiang zhao 8ce26fcd29 hw/i2c: QOM'ify versatile_i2c.c
Drop the old SysBus init function and use instance_init

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465815255-21776-5-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 15:59:13 +01:00
xiaoqiang zhao 758aba7d73 hw/i2c: QOM'ify omap_i2c.c
* Split the omap_i2c_init into an instance_init and realize function
* Drop the old SysBus init function and use instance_init

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465815255-21776-4-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 15:59:13 +01:00
xiaoqiang zhao 93d6599f46 hw/i2c: QOM'ify exynos4210_i2c.c
* Rename the exynos4210_i2c_realize to exynos4210_i2c_init
* Drop the old SysBus init function and use instance_init

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465815255-21776-3-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 15:59:13 +01:00
xiaoqiang zhao 00b2f75870 hw/i2c: QOM'ify bitbang_i2c.c
Drop the old SysBus init function and use instance_init

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465815255-21776-2-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 15:59:13 +01:00
Andrew Jones 1287f2b340 hw/arm/virt: create the 2.7 machine type
Signed-off-by: Andrew Jones <drjones@redhat.com>
Message-id: 1465746713-30414-5-git-send-email-drjones@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 15:59:13 +01:00
Andrew Jones 3356ebce9e hw/arm/virt: introduce DEFINE_VIRT_MACHINE_AS_LATEST
Create two variants of DEFINE_VIRT_MACHINE. One, just called
DEFINE_VIRT_MACHINE, that does not set properties that only
the latest machine type should have, and another that does.
This will hopefully reduce potential for errors when adding
new versions.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Message-id: 1465746713-30414-4-git-send-email-drjones@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 15:59:12 +01:00
Andrew Jones ab093c3c55 hw/arm/virt: introduce DEFINE_VIRT_MACHINE
Use DEFINE_VIRT_MACHINE to generate versioned machine type info.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1465746713-30414-3-git-send-email-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 15:59:12 +01:00
Andrew Jones 7a2ecd95d9 hw/arm/virt: separate versioned type-init code
Rename machvirt_info (which is specifically for 2.6 TypeInfo)
to machvirt_2_6_info, and separate the type registration of the
abstract machine type from the versioned type.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1465746713-30414-2-git-send-email-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 15:59:12 +01:00
Peter Maydell 811595a2d4 target-arm: Fix reset and migration of TTBCR(S)
Commit 6459b94c26 broke reset and migration of the AArch32
TTBCR(S) register if the guest used non-LPAE page tables. This is
because the AArch32 TTBCR register definition is marked as ARM_CP_ALIAS,
meaning that the AArch64 variant has to handle migration and reset.
Although AArch64 TCR_EL3 doesn't need to care about the mask and
base_mask fields, AArch32 may do so, and so we must use the special
TTBCR reset and raw write functions to ensure they are set correctly.

This doesn't affect TCR_EL2, because the AArch32 equivalent of that
is HTCR, which never uses the non-LPAE page table variant.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reported-by: Pranith Kumar <bobby.prani+qemu@gmail.com>
Reviewed-by: Sergey Fedorov <sergey.fedorov@linaro.org>
Message-id: 1465488181-31977-1-git-send-email-peter.maydell@linaro.org
2016-06-14 15:59:12 +01:00
Shannon Zhao 8433dee027 hw/arm/virt-acpi-build: Add PMU IRQ number in ACPI table
Add PMU IRQ number in ACPI table, then we can use PMU in guest through
ACPI.

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 1465267577-1808-4-git-send-email-zhaoshenglong@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 15:59:12 +01:00
Shannon Zhao 01fe6b6076 hw/arm/virt: Add PMU node for virt machine
Add a virtual PMU device for virt machine while use PPI 7 for PMU
overflow interrupt number.

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 1465267577-1808-3-git-send-email-zhaoshenglong@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 15:59:12 +01:00
Shannon Zhao 5c0a3819f0 target-arm: kvm64: set guest PMUv3 feature bit if supported
Check if kvm supports guest PMUv3. If so, set the corresponding feature
bit for vcpu.

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 1465267577-1808-2-git-send-email-zhaoshenglong@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 15:59:12 +01:00
Peter Maydell b1b23e5bbf xen: Clean up includes
Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.

This commit was created with scripts/clean-includes.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
2016-06-14 15:37:43 +01:00
Peter Maydell 7474f1be70 qdev_try_create(): Assert that devices we put onto the system bus are SysBusDevices
If qdev_try_create() is passed NULL for the bus, it will automatically
put the newly created device onto the default system bus. However
if the device is not actually a SysBusDevice then this will result
in later crashes (for instance when running the monitor "info qtree"
command) because code reasonably assumes that all devices on the system
bus are system bus devices.

Generally the mistake is that the calling code should create the
object with object_new(TYPE_FOO) rather than qdev_create(NULL, TYPE_FOO);
see commit 6749695eaa for an example of fixing this bug.

Assert in qdev_try_create() if the device isn't suitable to put on
the system bus, so that this mistake results in failure earlier
and more reliably.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
2016-06-14 15:07:43 +01:00
Peter Maydell d32490ca74 More s390x patches, this time mostly dealing with channel I/O:
Bugfixes and cleanups, and dequeue pending interrupts after
 machine checks.
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20160614' into staging

More s390x patches, this time mostly dealing with channel I/O:
Bugfixes and cleanups, and dequeue pending interrupts after
machine checks.

# gpg: Signature made Tue 14 Jun 2016 13:09:43 BST
# gpg:                using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20160614:
  s390x/kvm: Fixup interrupt type for non-adapter I/O interrupts
  s390x: Limit s390-ccw machines to 248 CPUs
  virtio-ccw: Provide traces for indicator changes
  s390x/css: introduce property type for device ids
  s390x/css: clear IO irqs when generating IPI CRW
  s390x/kvm: add interface for clearing IO irqs
  linux-headers: update

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 13:14:55 +01:00
Christian Borntraeger 393ad2a4a1 s390x/kvm: Fixup interrupt type for non-adapter I/O interrupts
The current algorithm for I/O interrupts would result in a wrong
interrupt type for subchannel numbers fffe and ffff. In addition
a non adapter interrupt might look like an adapter interrupt for
any subchannel number that has the 0x0400 bit set.

No kernel has ever used the type outside logging - and the logging
was wrong all the time. For everything else the kernel used the
interrupt parameters.

Let's use the KVM_S390_INT_IO macro as for adapter interrupts.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-06-14 14:00:05 +02:00
Christian Borntraeger dcddc75e47 s390x: Limit s390-ccw machines to 248 CPUs
The sclp scp read info call fills in a buffer with information about the
system. With more than 248 CPUs we overflow the 4k buffer of the SCCB,
leading to random data corruption. Basically ALL guest operating systems
call scp read info, so let's limit the machines to 248 CPUs to make it
obvious that >=249 does not work.

As KVM also limits itself to 248 and TCG on s390 does not support
SMP, this should cause no regression for any user as no VMs with more
than 248 VCPUs were ever possible.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-06-14 14:00:05 +02:00
Christian Borntraeger 06409bd91b virtio-ccw: Provide traces for indicator changes
This allows to trace changes in the summary and queue indicators
for the non-irqfd case. For irqfd, kernel traces are needed instead.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-06-14 14:00:05 +02:00
Cornelia Huck 06e686eaab s390x/css: introduce property type for device ids
Let's introduce a CssDevId to handle device ids of the xx.x.xxxx
type used for channel devices. This has some benefits:

- We can use them in virtio-ccw and split the validity checks for
  a channel device id in general from the constraint checking
  within the virtio-ccw scope.
- We can reuse the device id type for future non-virtio channel
  devices.

While we're at it, improve the validity checks and disallow e.g.
trailing characters.

Suggested-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Acked-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-06-14 13:34:50 +02:00
Halil Pasic c1755b14fa s390x/css: clear IO irqs when generating IPI CRW
According to the Principles of Operation (more precisely the subsection
'Channel-Report Word'), a subchannel put into the installed parameters
initialized state is in the same state as after an I/O system reset (just
parameters possibly changed). This implies that any I/O interrupts for that
subchannel are no longer pending (as I/O system resets clear I/O
interrupts). Therefore, we need an interface to clear pending I/O
interrupts. Make css_generate_sch_crws clear the pending IO interrupts for
the subchannel.

Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-06-14 13:34:50 +02:00
Halil Pasic 9eccb8622c s390x/kvm: add interface for clearing IO irqs
According to the platform specification, under certain conditions,
pending IO interruptions have to be cleared. Let's add an interface
for that.

Signed-off-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-06-14 13:34:50 +02:00
Cornelia Huck ff804f15a1 linux-headers: update
Update to 4.7-rc2.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2016-06-14 13:34:50 +02:00
Peter Maydell a28aae041a ppc patch queue for 2016-06-14
Latest patch queue for ppc.
     * Allow qemu to support a generic architecture 2.07 (POWER8-era)
       compatibility mode.  This is useful for guests which are POWER8
       aware, but don't know about the specific POWER8 variant that
       qemu (and/or KVM) is emulating. (Thomas Huth)
     * Fix a bug where macio wasn't removing DMA mappings (Mark Cave-Ayland)
     * Add a workaround for Linux guest's miscalculation of maximum
       memory address (including hotplugged memory), which could break
       when hotplug memory was combined with VFIO.  The previous
       approach was technically correct by spec, but differed from
       PowerVM's behaviour enough to trip a guest kernel bug.  This
       works around the bug, while remaining correct-to-spec. (Bharata Rao)
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.7-20160614' into staging

ppc patch queue for 2016-06-14

Latest patch queue for ppc.
    * Allow qemu to support a generic architecture 2.07 (POWER8-era)
      compatibility mode.  This is useful for guests which are POWER8
      aware, but don't know about the specific POWER8 variant that
      qemu (and/or KVM) is emulating. (Thomas Huth)
    * Fix a bug where macio wasn't removing DMA mappings (Mark Cave-Ayland)
    * Add a workaround for Linux guest's miscalculation of maximum
      memory address (including hotplugged memory), which could break
      when hotplug memory was combined with VFIO.  The previous
      approach was technically correct by spec, but differed from
      PowerVM's behaviour enough to trip a guest kernel bug.  This
      works around the bug, while remaining correct-to-spec. (Bharata Rao)

# gpg: Signature made Tue 14 Jun 2016 06:53:58 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: 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: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-2.7-20160614:
  spapr: Ensure all LMBs are represented in ibm,dynamic-memory
  macio: call dma_memory_unmap() at the end of each DMA transfer
  Add PowerPC AT_HWCAP2 definitions
  ppc: Add PowerISA 2.07 compatibility mode
  ppc: Improve PCR bit selection in ppc_set_compat()
  ppc: Provide function to get CPU class of the host CPU
  ppc: Split pcr_mask settings into supported bits and the register mask
  ppc/spapr: Refactor h_client_architecture_support() CPU parsing code

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-14 09:30:05 +01:00
Bharata B Rao d0e5a8f293 spapr: Ensure all LMBs are represented in ibm,dynamic-memory
Memory hotplug can fail for some combinations of RAM and maxmem when
DDW is enabled in the presence of devices like nec-usb-xhci. DDW depends
on maximum addressable memory returned by guest and this value is currently
being calculated wrongly by the guest kernel routine memory_hotplug_max().
While there is an attempt to fix the guest kernel, this patch works
around the problem within QEMU itself.

memory_hotplug_max() routine in the guest kernel arrives at max
addressable memory by multiplying lmb-size with the lmb-count obtained
from ibm,dynamic-memory property. There are two assumptions here:

- All LMBs are part of ibm,dynamic memory: This is not true for PowerKVM
  where only hot-pluggable LMBs are present in this property.
- The memory area comprising of RAM and hotplug region is contiguous: This
  needn't be true always for PowerKVM as there can be gap between
  boot time RAM and hotplug region.

To work around this guest kernel bug, ensure that ibm,dynamic-memory
has information about all the LMBs (RMA, boot-time LMBs, future
hotpluggable LMBs, and dummy LMBs to cover the gap between RAM and
hotpluggable region).

RMA is represented separately by memory@0 node. Hence mark RMA LMBs
and also the LMBs for the gap b/n RAM and hotpluggable region as
reserved and as having no valid DRC so that these LMBs are not considered
by the guest.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-06-14 13:20:01 +10:00
Mark Cave-Ayland bc9ca5958d macio: call dma_memory_unmap() at the end of each DMA transfer
This ensures that the underlying memory is marked dirty once the transfer
is complete and resolves cache coherency problems under MacOS 9.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-06-14 10:43:24 +10:00
Anton Blanchard 42bff4772e Add PowerPC AT_HWCAP2 definitions
We need the PPC_FEATURE2_HAS_HTM bit in a subsequent patch, so
add the PowerPC AT_HWCAP2 definitions.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-06-14 10:41:38 +10:00
Thomas Huth b30ff227c2 ppc: Add PowerISA 2.07 compatibility mode
Make sure that guests can use the PowerISA 2.07 CPU sPAPR
compatibility mode when they request it and the target CPU
supports it.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-06-14 10:41:38 +10:00
Thomas Huth eac4fba965 ppc: Improve PCR bit selection in ppc_set_compat()
When using an olderr PowerISA level, all the upper compatibility
bits have to be enabled, too. For example when we want to run
something in PowerISA 2.05 compatibility mode on POWER8, the bit
for 2.06 has to be set beside the bit for 2.05.
Additionally, to make sure that we do not set bits that are not
supported by the host, we apply a mask with the known-to-be-good
bits here, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
[dwg: Added some #ifs to fix compile on 32-bit targets]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-06-14 10:41:38 +10:00
Thomas Huth 52b2519c4e ppc: Provide function to get CPU class of the host CPU
When running with KVM, we might be interested in some details
of the host CPU class, too, so provide a function to get the
corresponding CPU class.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-06-14 10:41:38 +10:00
Thomas Huth 8cd2ce7aaa ppc: Split pcr_mask settings into supported bits and the register mask
The current pcr_mask values are ambiguous: Should these be the mask
that defines valid bits in the PCR register? Or should these rather
indicate which compatibility levels are possible? Anyway, POWER6 and
POWER7 should certainly not use the same values here. So let's
introduce an additional variable "pcr_supported" here which is
used to indicate the valid compatibility levels, and use pcr_mask
to signal the valid bits in the PCR register.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-06-14 10:41:38 +10:00
Thomas Huth 7386ae6372 ppc/spapr: Refactor h_client_architecture_support() CPU parsing code
The h_client_architecture_support() function has become quite big
and nested already. So factor out the code that takes care of the
sPAPR compatibility PVRs (which will be modified by the following
patches).

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-06-14 10:41:37 +10:00
Peter Maydell 2c96c379ac usb: misc fixes.
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-usb-20160613-1' into staging

usb: misc fixes.

# gpg: Signature made Mon 13 Jun 2016 14:09:15 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/pull-usb-20160613-1:
  vl: Eliminate usb_enabled()
  pxa2xx: Unconditionally enable USB controller
  hw/usb/dev-network.c: Use ldl_le_p() and stl_le_p()
  usb-host: add special case for bus+addr

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-13 15:15:03 +01:00
Jan Beulich 4837a1a516 xen/blkif: avoid double access to any shared ring request fields
Commit f9e98e5d7a ("xen/blkif: Avoid double access to
src->nr_segments") didn't go far enough: src->operation is also being
used twice. And nothing was done to prevent the compiler from using the
source side of the copy done by blk_get_request() (granted that's very
unlikely).

Move the barrier()s up, and add another one to blk_get_request().

Note that for completing XSA-155, the barrier() getting added to
blk_get_request() would suffice, and hence the changes to xen_blkif.h
are more like just cleanup. And since, as said, the unpatched code
getting compiled to something vulnerable is very unlikely (and not
observed in practice), this isn't being viewed as a new security issue.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
2016-06-13 14:32:28 +01:00
Peter Maydell 55e5c3a2d2 Merge qcrypto-next 2016/06/13 v1
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Merge remote-tracking branch 'remotes/berrange/tags/qcrypto-next-2016-06-13-v1' into staging

Merge qcrypto-next 2016/06/13 v1

# gpg: Signature made Mon 13 Jun 2016 12:43:22 BST
# gpg:                using RSA key 0xBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>"
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>"
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E  8E3F BE86 EBB4 1510 4FDF

* remotes/berrange/tags/qcrypto-next-2016-06-13-v1:
  crypto: aes: always rename internal symbols
  crypto: assert that qcrypto_hash_digest_len is in range
  crypto: remove temp files on completion of secrets test
  TLS: provide slightly more information when TLS certificate loading fails

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-13 13:05:02 +01:00
Mike Frysinger c8d70e5973 crypto: aes: always rename internal symbols
OpenSSL's libcrypto always defines AES symbols with the same names as
qemu's local aes code.  This is problematic when enabling at least curl
as that frequently also uses libcrypto.  It might not be noticed when
running, but if you try to statically link, everything falls down.

An example snippet:
  LINK  qemu-nbd
.../libcrypto.a(aes-x86_64.o): In function 'AES_encrypt':
(.text+0x460): multiple definition of 'AES_encrypt'
crypto/aes.o:aes.c:(.text+0x670): first defined here
.../libcrypto.a(aes-x86_64.o): In function 'AES_decrypt':
(.text+0x9f0): multiple definition of 'AES_decrypt'
crypto/aes.o:aes.c:(.text+0xb30): first defined here
.../libcrypto.a(aes-x86_64.o): In function 'AES_cbc_encrypt':
(.text+0xf90): multiple definition of 'AES_cbc_encrypt'
crypto/aes.o:aes.c:(.text+0xff0): first defined here
collect2: error: ld returned 1 exit status
.../qemu-2.6.0/rules.mak:105: recipe for target 'qemu-nbd' failed
make: *** [qemu-nbd] Error 1

The aes.h header has redefines already for FreeBSD, but go ahead and
enable that for everyone since there's no real good reason to not use
a namespace all the time.

Signed-off-by: Mike Frysinger <vapier@chromium.org>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-06-13 12:41:17 +01:00
Paolo Bonzini b35c1f3361 crypto: assert that qcrypto_hash_digest_len is in range
Otherwise unintended results could happen.  For example,
Coverity reports a division by zero in qcrypto_afsplit_hash.
While this cannot really happen, it shows that the contract
of qcrypto_hash_digest_len can be improved.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-06-13 12:41:17 +01:00
Daniel P. Berrange e7ed11f083 crypto: remove temp files on completion of secrets test
The secret object tests left some temporary files on disk
when completing. Ensure they are unlink, and rename them
to make it more obvious where they come from.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-06-13 12:41:17 +01:00
Alex Bligh b7b68166dc TLS: provide slightly more information when TLS certificate loading fails
Give slightly more information when certification loading fails.
Rather than have no information, you now get gnutls's only slightly
less unhelpful error messages.

Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-06-13 12:41:17 +01:00
Eduardo Habkost 4bcbe0b636 vl: Eliminate usb_enabled()
This wrapper for machine_usb(current_machine) is not necessary,
replace all usages of usb_enabled() with machine_usb().

Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: qemu-arm@nongnu.org
Cc: qemu-ppc@nongnu.org
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 1465419025-21519-3-git-send-email-ehabkost@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-06-13 13:24:41 +02:00
Eduardo Habkost c92cfba822 pxa2xx: Unconditionally enable USB controller
Simplify initialization logic by removing the usb_enabled()
check. The USB controller is part of the SoC, so it doesn't make
sense to create a system where it is not present.

Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Andrzej Zaborowski <balrogg@gmail.com>
Cc: qemu-arm@nongnu.org,
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1465419025-21519-2-git-send-email-ehabkost@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-06-13 13:24:41 +02:00
Peter Maydell ec9125bc0e hw/usb/dev-network.c: Use ldl_le_p() and stl_le_p()
Use stl_le_p() and ldl_le_p() to read and write data from
buffers, rather than using pointer casts and cpu_to_le32()
for writes and le32_to_cpup() for reads. This:
 * avoids lots of casts
 * works even if the buffer isn't as aligned as the host would like
 * avoids using the *_to_cpup() functions which we want to get rid of

Note that there may still be some places where a pointer from the
guest is cast to a pointer to a host structure; these would also
have to be changed for the device to work on a host CPU which
enforces alignment restrictions.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1465573077-29221-1-git-send-email-peter.maydell@linaro.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-06-13 13:18:51 +02:00
Peter Maydell 8fdf038722 Xen 2016/06/13
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Merge remote-tracking branch 'remotes/sstabellini/tags/xen-20160613-tag' into staging

Xen 2016/06/13

# gpg: Signature made Mon 13 Jun 2016 11:53:18 BST
# gpg:                using RSA key 0x894F8F4870E1AE90
# gpg: Good signature from "Stefano Stabellini <stefano.stabellini@eu.citrix.com>"
# Primary key fingerprint: D04E 33AB A51F 67BA 07D3  0AEA 894F 8F48 70E1 AE90

* remotes/sstabellini/tags/xen-20160613-tag:
  Introduce "xen-load-devices-state"
  exec: Fix qemu_ram_block_from_host for Xen

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-13 12:18:17 +01:00
Gerd Hoffmann e058fa2dd5 usb-host: add special case for bus+addr
This patch changes usb-host behavior in case we hostbus= and hostaddr=
properties are used to identify the usb device in question.  Instead of
adding the device to the hotplug watchlist we try to open directly using
the given bus number and device address.

Putting a device specified by hostaddr to the hotplug watchlist isn't
a great idea as the address isn't a fixed property.  It changes every
time the device is plugged in.  So considering this case as "use the
device at bus:addr _now_" is more sane.  Also usb-host will throw errors
in case it can't initialize the host device.

Note: For devices on the hotplug watchlist (hostport or vendorid or
productid specified) qemu continues to ignore errors and keeps
monitoring the usb bus to see if the device eventually shows up.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1464945175-28939-1-git-send-email-kraxel@redhat.com
2016-06-13 13:17:06 +02:00
Wen Congyang 88c16567d2 Introduce "xen-load-devices-state"
Introduce a "xen-load-devices-state" QAPI command that can be used to
load the state of all devices, but not the RAM or the block devices of
the VM.

We only have hmp commands savevm/loadvm, and qmp commands
xen-save-devices-state.

We use this new command for COLO:
1. suspend both primary vm and secondary vm
2. sync the state
3. resume both primary vm and secondary vm

In such case, we need to update all devices' state in any time.

Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
2016-06-13 11:50:53 +01:00
Anthony PERARD d6b6aec409 exec: Fix qemu_ram_block_from_host for Xen
Since f615f39 (exec: remove ram_addr argument from
qemu_ram_block_from_host), migration under Xen is likely to fail, with a
SEGV of QEMU. But the commit only reveal a bug with the calculation of
the offset value in qemu_ram_block_from_host().

This patch calculates the offset from the ram_addr as
qemu_ram_addr_from_host() will later calculate the ram_addr from the
offset.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
2016-06-13 11:50:20 +01:00
Peter Maydell da2fdd0bd1 TB hashing improvements
-----BEGIN PGP SIGNATURE-----
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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20160611' into staging

TB hashing improvements

# gpg: Signature made Sun 12 Jun 2016 01:12:50 BST
# gpg:                using RSA key 0xAD1270CC4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg:                 aka "Richard Henderson <rth@redhat.com>"
# gpg:                 aka "Richard Henderson <rth@twiddle.net>"
# Primary key fingerprint: 9CB1 8DDA F8E8 49AD 2AFC  16A4 AD12 70CC 4DD0 279B

* remotes/rth/tags/pull-tcg-20160611:
  translate-all: add tb hash bucket info to 'info jit' dump
  tb hash: track translated blocks with qht
  qht: add test-qht-par to invoke qht-bench from 'check' target
  qht: add qht-bench, a performance benchmark
  qht: add test program
  qht: QEMU's fast, resizable and scalable Hash Table
  qdist: add test program
  qdist: add module to represent frequency distributions of data
  tb hash: hash phys_pc, pc, and flags with xxhash
  exec: add tb_hash_func5, derived from xxhash
  qemu-thread: add simple test-and-set spinlock
  include/processor.h: define cpu_relax()
  seqlock: rename write_lock/unlock to write_begin/end
  seqlock: remove optional mutex
  compiler.h: add QEMU_ALIGNED() to enforce struct alignment

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-13 10:12:44 +01:00
Emilio G. Cota 329844d4bc translate-all: add tb hash bucket info to 'info jit' dump
Examples:

- Good hashing, i.e. tb_hash_func5(phys_pc, pc, flags):
TB count            715135/2684354
[...]
TB hash buckets     388775/524288 (74.15% head buckets used)
TB hash occupancy   33.04% avg chain occ. Histogram: [0,10)%|▆ █  ▅▁▃▁▁|[90,100]%
TB hash avg chain   1.017 buckets. Histogram: 1|█▁▁|3

- Not-so-good hashing, i.e. tb_hash_func5(phys_pc, pc, 0):
TB count            712636/2684354
[...]
TB hash buckets     344924/524288 (65.79% head buckets used)
TB hash occupancy   31.64% avg chain occ. Histogram: [0,10)%|█ ▆  ▅▁▃▁▂|[90,100]%
TB hash avg chain   1.047 buckets. Histogram: 1|█▁▁▁|4

- Bad hashing, i.e. tb_hash_func5(phys_pc, 0, 0):
TB count            702818/2684354
[...]
TB hash buckets     112741/524288 (21.50% head buckets used)
TB hash occupancy   10.15% avg chain occ. Histogram: [0,10)%|█ ▁  ▁▁▁▁▁|[90,100]%
TB hash avg chain   2.107 buckets. Histogram: [1.0,10.2)|█▁▁▁▁▁▁▁▁▁|[83.8,93.0]

- Good hashing, but no auto-resize:
TB count            715634/2684354
TB hash buckets     8192/8192 (100.00% head buckets used)
TB hash occupancy   98.30% avg chain occ. Histogram: [95.3,95.8)%|▁▁▃▄▃▄▁▇▁█|[99.5,100.0]%
TB hash avg chain   22.070 buckets. Histogram: [15.0,16.7)|▁▂▅▄█▅▁▁▁▁|[30.3,32.0]

Acked-by: Sergey Fedorov <sergey.fedorov@linaro.org>
Suggested-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <1465412133-3029-16-git-send-email-cota@braap.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-06-11 17:11:16 -07:00