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Curretly, the memory region of backed memory is all directly
mapped to guest's address space, however, it will be not true
for nvdimm device if we introduce nvdimm label which only can
be indirectly accessed by ACPI DSM method
Also it improves the comments a bit to reflect this fact
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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It should help to make clear that bios_linker works in terms
of offsets within a file. Also it should prevent mistakes
where user passes as arguments pointers to unrelated to file blobs.
While at it, considering that it's a ACPI checksum and
it's initial value must be 0, move checksum field zeroing
into bios_linker_loader_add_checksum() instead of doing it
at every call site manually before bios_linker_loader_add_checksum()
is called.
In addition add extra boundary checks.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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cleanup bios_linker_loader_add_pointer() API by switching
arguments to taking offsets relative to corresponding files
instead of doing pointer arithmetic on behalf of user which
were confusing.
Also make offset inside of source file explicit in API
so that user won't have to manually set it in
destination file blob and while at it add additional
boundary checks.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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bios_linker_loader_cleanup() is called only from one place
and returned value is immediately freed wich makes returning
pointer from bios_linker_loader_cleanup() useless.
Cleanup bios_linker_loader_cleanup() by freeing
data there so that caller won't have to free it.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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'table' argument in bios_linker_add_foo() commands is
a data blob of one of files also passed to the same API.
So instead of passing blob in every API call, add and keep
file name association with related blob at bios_linker_loader_alloc()
time.
And find blob by name looking up allocated file entries
inside of bios_linker_add_foo() commands.
It will:
- make API less confusing,
- enforce calling bios_linker_loader_alloc() before
calling any bios_linker_add_foo()
- make sure that blob is the correct one, i.e.
associated with the right file name
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Patch just changes type of of linker variables to
a structure, there aren't any functional changes.
Converting linker to a structure will allow to extend
it functionality in follow up patch adding sanity blob
checks.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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it reduces number of args passed in handlers by 1 and
a number of used proxy wrappers saving ~20LOC.
Also it allows to make cpu/mem hotplug code more
universal as it would allow ARM to reuse it without
rewrite by providing its own send_event callback
to trigger events usiong GPIO instead of GPE
as fixed hadrware ACPI model doen't have GPE at all.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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send_event() hook will allow to send ACPI event in
a target specific way (GPE or GPIO based impl.)
it will also simplify proxy wrappers in piix4pm/ich9
that access ACPI regs and SCI which are part of
piix4pm/lcp_ich9 devices and call acpi_foo() API directly.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
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Instead of scanning IPMI devices from a fwinfo list, allow
the fwinfo to be fetched from the IPMI interface class.
Then the code looking for IPMI fwinfo can scan devices on a
bus and look for ones that implement the IPMI class.
This will let the ACPI scope be defined by the calling
code so the IPMI code doesn't have to know the scope.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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since IO block used by CPU hotplug is fixed size and
initialized it the same file as build_legacy_cpu_hotplug_aml()
just use ACPI_GPE_PROC_LEN directly instead of passing
it around in several files.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
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Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
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cpu_hotplug_acpi_table.c
now as those defines are used only locally inside of
cpu_hotplug_acpi_table.c, move them out of header file.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
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move the former SSDT part of CPU hoplug close to DSDT part.
AML is only moved but there isn't any functional change.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
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Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
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This will be later used by the "ibm,reset-pe-dma-window" RTAS handler
which resets the DMA configuration to the defaults.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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We are going to have multiple DMA windows at different offsets on
a PCI bus. For the sake of migration, we will have as many TCE table
objects pre-created as many windows supported.
So we need a way to map windows dynamically onto a PCI bus
when migration of a table is completed but at this stage a TCE table
object does not have access to a PHB to ask it to map a DMA window
backed by just migrated TCE table.
This adds a "root" memory region (UINT64_MAX long) to the TCE object.
This new region is mapped on a PCI bus with enabled overlapping as
there will be one root MR per TCE table, each of them mapped at 0.
The actual IOMMU memory region is a subregion of the root region and
a TCE table enables/disables this subregion and maps it at
the specific offset inside the root MR which is 1:1 mapping of
a PCI address space.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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The source guest could have reallocated the default TCE table and
migrate bigger/smaller table. This adds reallocation in post_load()
if the default table size is different on source and destination.
This adds @bus_offset, @page_shift to the migration stream as
a subsection so when DDW is added, migration to older machines will
still be possible. As @bus_offset and @page_shift are not used yet,
this makes no change in behavior.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Currently TCE tables are created once at start and their sizes never
change. We are going to change that by introducing a Dynamic DMA windows
support where DMA configuration may change during the guest execution.
This changes spapr_tce_new_table() to create an empty zero-size IOMMU
memory region (IOMMU MR). Only LIOBN is assigned by the time of creation.
It still will be called once at the owner object (VIO or PHB) creation.
This introduces an "enabled" state for TCE table objects, some
helper functions are added:
- spapr_tce_table_enable() receives TCE table parameters, stores in
sPAPRTCETable and allocates a guest view of the TCE table
(in the user space or KVM) and sets the correct size on the IOMMU MR;
- spapr_tce_table_disable() disposes the table and resets the IOMMU MR
size; it is made public as the following DDW code will be using it.
This changes the PHB reset handler to do the default DMA initialization
instead of spapr_phb_realize(). This does not make differenct now but
later with more than just one DMA window, we will have to remove them all
and create the default one on a system reset.
No visible change in behaviour is expected except the actual table
will be reallocated every reset. We might optimize this later.
The other way to implement this would be dynamically create/remove
the TCE table QOM objects but this would make migration impossible
as the migration code expects all QOM objects to exist at the receiver
so we have to have TCE table objects created when migration begins.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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* drop qemu_char_get_next_serial and use chardev prop
* create xilinx_uartlite_create wrapper function to create
xilinx_uartlite device
* change affected board code to use the new way
Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465028065-5855-6-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>
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* drop qemu_char_get_next_serial and use chardev prop
* create cadence_uart_create wrapper function to create
cadence_uart_device
* change affected board code to use the new way
Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465028065-5855-3-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>
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* drop qemu_char_get_next_serial and use chardev prop
* add pl011_create wrapper function to create pl011 uart device
* change affected board code to use the new way
Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465028065-5855-2-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>
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Currently ptimer users are used to store copy of the limit value, because
ptimer doesn't provide facility to retrieve the limit. Let's provide it.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-id: 8f1fa9f90d8dbf8086fb02f3b4835eaeb4089cf6.1464367869.git.digetx@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The way we currently model the RPU subsystem is of quite
limited use. In addition to that, it causes problems for
KVM and for GDB debugging.
Make the RPU optional by adding a has_rpu property and
default to having it disabled.
This changes the default setup from having the RPU to not
longer having it.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 1464173555-12800-3-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Add a secure prop to en/disable ARM Security Extensions.
This is particularly useful for KVM runs.
Default to disabled to match the behavior of KVM.
This changes the default setup from having the ARM Security
Extensions to not longer having them.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 1464173555-12800-2-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The Aspeed AST2400 integrates a set of 14 I2C/SMBus bus controllers
directly connected to the APB bus. They can be programmed as master or
slave but the propopsed model only supports the master mode.
On the TODO list, we also have :
- improve and harden the state machine.
- bus recovery support (used by the Linux driver).
- transfer mode state machine bits. this is not strictly necessary as
it is mostly used for debug. The bus busy bit is deducted from the
I2C core engine of qemu.
- support of the pool buffer: 2048 bytes of internal SRAM (not used
by the Linux driver).
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Message-id: 1464704307-25178-1-git-send-email-clg@kaod.org
[PMM: removed unused functions aspeed_i2c_bus_get_state() and
aspeed_i2c_bus_set_state()]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Store some additional state for cursor and resource backing storage,
so we can write out and reload things. Implement vmsave+vmload for
2d mode. Continue blocking live migration in 3d/virgl mode.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1464009727-7753-1-git-send-email-kraxel@redhat.com
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staging
# gpg: Signature made Thu 02 Jun 2016 07:23:18 BST using RSA key ID 398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211
* remotes/jasowang/tags/net-pull-request: (31 commits)
Add ENET device to i.MX6 SOC.
Add ENET/Gbps Ethernet support to FEC device
i.MX: move FEC device to a register array structure.
i.MX: Rename i.MX FEC defines to ENET_XXX
i.MX: reset TX/RX descriptors when FEC is disabled.
i.MX: Fix FEC code for ECR register reset value.
i.MX: Fix FEC code for MDIO address selection
i.MX: Fix FEC code for MDIO operation selection
net: handle optional VLAN header in checksum computation.
net: improve UDP/TCP checksum computation.
e1000e: Introduce qtest for e1000e device
net: Introduce e1000e device emulation
e1000: Move out code that will be reused in e1000e
e1000_regs: Add definitions for Intel 82574-specific bits
vmxnet3: Use pci_dma_* API instead of cpu_physical_memory_*
net_pkt: Extend packet abstraction as required by e1000e functionality
rtl8139: Move more TCP definitions to common header
net_pkt: Name vmxnet3 packet abstractions more generic
vmxnet3: Use common MAC address tracing macros
net: Add macros for MAC address tracing
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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This adds the ENET device to the i.MX6 SOC.
This was tested by booting Linux on an Qemu i.MX6 instance and accessing
the internet from the linux guest.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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The ENET device (present in i.MX6) is "derived" from FEC and backward
compatible with it.
This patch adds the necessary support of the added feature in the ENET
device to allow Linux to use it (on supported processors).
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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This is to prepare for the ENET Gb device of the i.MX6.
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Signed-off-by: Dmitry Fleytman <dmitry.fleytman@ravellosystems.com>
Signed-off-by: Leonid Bloch <leonid.bloch@ravellosystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Added support for PCIe CAP v1, while reusing some of the existing v2
infrastructure.
Signed-off-by: Dmitry Fleytman <dmitry.fleytman@ravellosystems.com>
Signed-off-by: Leonid Bloch <leonid.bloch@ravellosystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Signed-off-by: Dmitry Fleytman <dmitry.fleytman@ravellosystems.com>
Signed-off-by: Leonid Bloch <leonid.bloch@ravellosystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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This function will be used by e1000e device code.
Signed-off-by: Dmitry Fleytman <dmitry.fleytman@ravellosystems.com>
Signed-off-by: Leonid Bloch <leonid.bloch@ravellosystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Replace legacy cpu_to_le64w()/le64_to_cpup()
calls with stq_le_p()/ldq_le_p().
Motivation for this modification is that
follow up patches add utility function
pcie_dev_ser_num_init() for PCIe DSN
capability creation which uses
pci_set_quad() with a misaligned offset.
Signed-off-by: Dmitry Fleytman <dmitry.fleytman@ravellosystems.com>
Signed-off-by: Leonid Bloch <leonid.bloch@ravellosystems.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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* Drop the old SysBus init function and use instance_init
* Call qemu_chr_add_handlers in the realize callback
* Use qdev chardev prop instead of qemu_char_get_next_serial
* Add etraxfs_ser_create function to create etraxfs serial device
Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-Id: <1464158344-12266-3-git-send-email-zxq_yx_007@163.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Since a788f227 "memory: Allow replay of IOMMU mapping notifications"
when new VFIO listener is added, all existing IOMMU mappings are
replayed. However there is a problem that the base address of
an IOMMU memory region (IOMMU MR) is ignored which is not a problem
for the existing user (which is pseries) with its default 32bit DMA
window starting at 0 but it is if there is another DMA window.
This stores the IOMMU's offset_within_address_space and adjusts
the IOVA before calling vfio_dma_map/vfio_dma_unmap.
As the IOMMU notifier expects IOVA offset rather than the absolute
address, this also adjusts IOVA in sPAPR H_PUT_TCE handler before
calling notifier(s).
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Given a device specific region type and sub-type, find it. Also
cleanup return point on error in vfio_get_region_info() so that we
always return 0 with a valid pointer or -errno and NULL.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
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staging
X86 queue, 2016-05-23
# gpg: Signature made Mon 23 May 2016 23:48:27 BST using RSA key ID 984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
* remotes/ehabkost/tags/x86-pull-request:
target-i386: kvm: Eliminate kvm_msr_entry_set()
target-i386: kvm: Simplify MSR setting functions
target-i386: kvm: Simplify MSR array construction
target-i386: kvm: Increase MSR_BUF_SIZE
target-i386: kvm: Allocate kvm_msrs struct once per VCPU
target-i386: Call cpu_exec_init() on realize
target-i386: Move TCG initialization to realize time
target-i386: Move TCG initialization check to tcg_x86_init()
cpu: Eliminate cpudef_init(), cpudef_setup()
target-i386: Set constant model_id for qemu64/qemu32/athlon
pc: Set CPU model-id on compat_props for pc <= 2.4
osdep: Move default qemu_hw_version() value to a macro
target-i386: kvm: Use X86XSaveArea struct for xsave save/load
target-i386: Use xsave structs for ext_save_area
target-i386: Define structs for layout of xsave area
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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staging
rng: rename RndRandom to RndRandom
# gpg: Signature made Mon 23 May 2016 16:44:58 BST using RSA key ID 657EF670
# gpg: Good signature from "Amit Shah <amit@amitshah.net>"
# gpg: aka "Amit Shah <amit@kernel.org>"
# gpg: aka "Amit Shah <amitshah@gmx.net>"
* remotes/amit-virtio-rng/tags/rng-2.7-1:
rng-random: rename RndRandom to RngRandom
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Instead of relying on x86_cpudef_setup() calling
qemu_hw_version(), just make old machines set model-id explicitly
on compat_props for qemu64, qemu32, and athlon. This will allow
us to eliminate x86_cpudef_setup() later.
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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* NMI cleanups (Bandan)
* RAMBlock/Memory cleanups and fixes (Dominik, Gonglei, Fam, me)
* first part of linuxboot support for fw_cfg DMA (Richard)
* IOAPIC fix (Peter Xu)
* iSCSI SG_IO fix (Vadim)
* Various infrastructure bug fixes (Zhijian, Peter M., Stefan)
* CVE fixes (Prasad)
# gpg: Signature made Mon 23 May 2016 16:06:18 BST using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
* remotes/bonzini/tags/for-upstream: (24 commits)
cpus: call the core nmi injection function
nmi: remove x86 specific nmi handling
target-i386: add a generic x86 nmi handler
coccinelle: add g_assert_cmp* to macro file
iscsi: pass SCSI status back for SG_IO
esp: check dma length before reading scsi command(CVE-2016-4441)
esp: check command buffer length before write(CVE-2016-4439)
scripts/signrom.py: Check for magic in option ROMs.
scripts/signrom.py: Allow option ROM checksum script to write the size header.
Remove config-devices.mak on 'make clean'
cpus.c: Use pthread_sigmask() rather than sigprocmask()
memory: remove unnecessary masking of MemoryRegion ram_addr
memory: Drop FlatRange.romd_mode
memory: Remove code for mr->may_overlap
exec: adjust rcu_read_lock requirement
memory: drop find_ram_block()
vl: change runstate only if new state is different from current state
ioapic: clear remote irr bit for edge-triggered interrupts
ioapic: keep RO bits for IOAPIC entry
target-i386: key sfence availability on CPUID_SSE, not CPUID_SSE2
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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nmi_monitor_handle is wired to call the x86 nmi
handler. So, we can directly use it at call sites.
Signed-off-by: Bandan Das <bsd@redhat.com>
Message-Id: <1463761717-26558-3-git-send-email-bsd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Currently IOAPIC RO bits can be written. To be better aligned with
hardware, we should let them read-only.
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <1462875682-1349-2-git-send-email-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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staging
usb: add xen pvUSB backend, add num-ports check to ohci.
# gpg: Signature made Mon 23 May 2016 14:02:25 BST using RSA key ID D3E87138
# 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>"
* remotes/kraxel/tags/pull-usb-20160523-1:
usb/ohci: Fix crash with when specifying too many num-ports
xen: add pvUSB backend
xen: write information about supported backends
xen: introduce dummy system device
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Add a backend for para-virtualized USB devices for xen domains.
The backend is using host-libusb to forward USB requests from a
domain via libusb to the real device(s) passed through.
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Message-id: 1463062421-613-4-git-send-email-jgross@suse.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Add a Xenstore directory for each supported pv backend. This will allow
Xen tools to decide which backend type to use in case there are
multiple possibilities.
The information is added under
/local/domain/<backend-domid>/device-model/<domid>/backends
before the "running" state is written to Xenstore. Using a directory
for each backend enables us to add parameters for specific backends
in the future.
This interface is documented in the Xen source repository in the file
docs/misc/qemu-backends.txt
In order to reuse the Xenstore directory creation already present in
hw/xen/xen_devconfig.c move the related functions to
hw/xen/xen_backend.c where they fit better.
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
Message-id: 1463062421-613-3-git-send-email-jgross@suse.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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The value is defined in virtio_gpu.h already (changing from 4 to 16).
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1463653560-26958-6-git-send-email-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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