Age | Commit message (Collapse) | Author |
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Signed-off-by: Li Qiang <liq3ea@gmail.com>
Message-id: 1539946236-18028-3-git-send-email-liq3ea@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Call it in device unrealize function.
Signed-off-by: Li Qiang <liq3ea@gmail.com>
Message-id: 1539946236-18028-2-git-send-email-liq3ea@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This can avoid setting OCHIState.num_ports to a negative num.
Signed-off-by: Li Qiang <liq3ea@gmail.com>
Message-id: 1540263618-18344-1-git-send-email-liq3ea@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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* RTC fixes (Artem)
* icount fixes (Artem)
* rr fixes (Pavel, myself)
* hotplug cleanup (Igor)
* SCSI fixes (myself)
* 4.20-rc1 KVM header update (myself)
* coalesced PIO support (Peng Hao)
* HVF fixes (Roman B.)
* Hyper-V refactoring (Roman K.)
* Support for Hyper-V IPI (Vitaly)
# gpg: Signature made Fri 19 Oct 2018 12:47:58 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: (47 commits)
replay: pass raw icount value to replay_save_clock
target/i386: kvm: just return after migrate_add_blocker failed
hyperv_testdev: add SynIC message and event testmodes
hyperv: process POST_MESSAGE hypercall
hyperv: add support for KVM_HYPERV_EVENTFD
hyperv: process SIGNAL_EVENT hypercall
hyperv: add synic event flag signaling
hyperv: add synic message delivery
hyperv: make overlay pages for SynIC
hyperv: only add SynIC in compatible configurations
hyperv: qom-ify SynIC
hyperv:synic: split capability testing and setting
i386: add hyperv-stub for CONFIG_HYPERV=n
default-configs: collect CONFIG_HYPERV* in hyperv.mak
hyperv: factor out arch-independent API into hw/hyperv
hyperv: make hyperv_vp_index inline
hyperv: split hyperv-proto.h into x86 and arch-independent parts
hyperv: rename kvm_hv_sint_route_set_sint
hyperv: make HvSintRoute reference-counted
hyperv: address HvSintRoute by X86CPU pointer
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Add testmodes for SynIC messages and events. The message or event
connection setup / teardown is initiated by the guest via new control
codes written to the test device port. Then the test connections bounce
the respective operations back to the guest, i.e. the incoming messages
are posted or the incoming events are signaled on the configured vCPUs.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Add handling of POST_MESSAGE hypercall. For that, add an interface to
regsiter a handler for the messages arrived from the guest on a
particular connection id (IOW set up a message connection in Hyper-V
speak).
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921082217.29481-10-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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When setting up a notifier for Hyper-V event connection, try to use the
KVM-assisted one first, and fall back to userspace handling of the
hypercall if the kernel doesn't provide the requested feature.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921082217.29481-9-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Add handling of SIGNAL_EVENT hypercall. For that, provide an interface
to associate an EventNotifier with an event connection number, so that
it's signaled when the SIGNAL_EVENT hypercall with the matching
connection ID is called by the guest.
Support for using KVM functionality for this will be added in a followup
patch.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921082217.29481-8-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Add infrastructure to signal SynIC event flags by atomically setting the
corresponding bit in the event flags page and firing a SINT if
necessary.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921082217.29481-7-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Add infrastructure to deliver SynIC messages to the SynIC message page.
Note that KVM may also want to deliver (SynIC timer) messages to the
same message slot.
The problem is that the access to a SynIC message slot is controlled by
the value of its .msg_type field which indicates if the slot is being
owned by the hypervisor (zero) or by the guest (non-zero).
This leaves no room for synchronizing multiple concurrent producers.
The simplest way to deal with this for both KVM and QEMU is to only
deliver messages in the vcpu thread. KVM already does this; this patch
makes it for QEMU, too.
Specifically,
- add a function for posting messages, which only copies the message
into the staging buffer if its free, and schedules a work on the
corresponding vcpu to actually deliver it to the guest slot;
- instead of a sint ack callback, set up the sint route with a message
status callback. This function is called in a bh whenever there are
updates to the message slot status: either the vcpu made definitive
progress delivering the message from the staging buffer (succeeded or
failed) or the guest issued EOM; the status is passed as an argument
to the callback.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921082217.29481-6-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Per Hyper-V spec, SynIC message and event flag pages are to be
implemented as so called overlay pages. That is, they are owned by the
hypervisor and, when mapped into the guest physical address space,
overlay the guest physical pages such that
1) the overlaid guest page becomes invisible to the guest CPUs until the
overlay page is turned off
2) the contents of the overlay page is preserved when it's turned off
and back on, even at a different address; it's only zeroed at vcpu
reset
This particular nature of SynIC message and event flag pages is ignored
in the current code, and guest physical pages are used directly instead.
This happens to (mostly) work because the actual guests seem not to
depend on the features listed above.
This patch implements those pages as the spec mandates.
Since the extra RAM regions, which introduce migration incompatibility,
are only added at SynIC object creation which only happens when
hyperv_synic_kvm_only == false, no extra compat logic is necessary.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921082217.29481-5-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Make Hyper-V SynIC a device which is attached as a child to a CPU. For
now it only makes SynIC visibile in the qom hierarchy, and maintains its
internal fields in sync with the respecitve msrs of the parent cpu (the
fields will be used in followup patches).
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921082217.29481-3-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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A significant part of hyperv.c is not actually tied to x86, and can
be moved to hw/.
This will allow to maintain most of Hyper-V and VMBus
target-independent, and to avoid conflicts with inclusion of
arch-specific headers down the road in VMBus implementation.
Also this stuff can now be opt-out with CONFIG_HYPERV.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921082041.29380-4-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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There's nothing kvm-specific in it so follow the suite and replace
"kvm_hv" prefix with "hyperv".
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921081836.29230-9-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Multiple entities (e.g. VMBus devices) can use the same SINT route. To
make their lives easier in maintaining SINT route ownership, make it
reference-counted. Adjust the respective API names accordingly.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921081836.29230-8-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Make sint ack callback accept an opaque pointer, that is stored on
sint_route at creation time.
This allows for more convenient interaction with the callback.
Besides, nothing outside hyperv.c should need to know the layout of
HvSintRoute fields any more so its declaration can be removed from the
header.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921081836.29230-6-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921081836.29230-3-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Make hyperv_testdev slightly easier to follow and enhance in future.
For that, put the hyperv sint routes (wrapped in a helper structure) on
a linked list rather than a fixed-size array. Besides, this way
HvSintRoute can be treated as an opaque structure, allowing for easier
refactoring of the core Hyper-V SynIC code in followup pathches.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20180921081836.29230-2-rkagan@virtuozzo.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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rerror=ignore was returning true from scsi_handle_rw_error but the callers were not
calling scsi_req_complete when rerror=ignore returns true (this is the correct thing
to do when true is returned after executing a passthrough command). Fix this by
calling it in scsi_handle_rw_error.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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If a command fails with a sense that scsi_sense_buf_to_errno converts to
ECANCELED/EAGAIN/ENOTCONN or with a unit attention, scsi_req_complete is
called twice. This caused a crash.
Reported-by: Wangguang <wang.guangA@h3c.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Li Qiang <liq3ea@163.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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When [2] was fixed it was agreed that adding and calling post_plug()
callback after device_reset() was low risk approach to hotfix issue
right before release. So it was merged instead of moving already
existing plug() callback after device_reset() is called which would
be more risky and require all plug() callbacks audit.
Looking at the current plug() callbacks, it doesn't seem that moving
plug() callback after device_reset() is breaking anything, so here
goes agreed upon [3] proper fix which essentially reverts [1][2]
and moves plug() callback after device_reset().
This way devices always comes to plug() stage, after it's been fully
initialized (including being reset), which fixes race condition [2]
without need for an extra post_plug() callback.
1. (25e897881 "qdev: add HotplugHandler->post_plug() callback")
2. (8449bcf94 "virtio-scsi: fix hotplug ->reset() vs event race")
3. https://www.mail-archive.com/qemu-devel@nongnu.org/msg549915.html
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1539696820-273275-1-git-send-email-imammedo@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Pierre Morel<pmorel@linux.ibm.com>
Acked-by: Pierre Morel<pmorel@linux.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
Message-Id: <1539795177-21038-6-git-send-email-peng.hao2@zte.com.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
Message-Id: <1539795177-21038-5-git-send-email-peng.hao2@zte.com.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
Message-Id: <1539890353-30273-1-git-send-email-peng.hao2@zte.com.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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They are not consecutive with DAC1_FRAME* and DAC2_FRAME*; Coverity
still complains about es1370_read, while es1370_write was fixed in
commit cf9270e5220671f49cc238deaf6136669cc07ae1.
Fixes: 154c1d1f960c5147a3f8ef00907504112f271cd8
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The e1000 emulation silently discards RX packets if there's
insufficient space in the ring buffer. This leads to errors
on higher-level protocols in the guest, with no indication
about the error cause.
This patch increments the "Missed Packets Count" (MPC) and
"Receive No Buffers Count" (RNBC) HW counters in this case.
As the emulation has no FIFO for buffering packets that can't
immediately be pushed to the guest, these two registers are
practically equivalent (see 10.2.7.4, 10.2.7.33 in
https://www.intel.com/content/www/us/en/embedded/products/networking/82574l-gbe-controller-datasheet.html).
On a Linux guest, the register content will be reflected in
the "rx_missed_errors" and "rx_no_buffer_count" stats from
"ethtool -S", and in the "missed" stat from "ip -s -s link show",
giving at least some hint about the error cause inside the guest.
If the cause is known, problems like this can often be avoided
easily, by increasing the number of RX descriptors in the guest
e1000 driver (e.g under Linux, "e1000.RxDescriptors=1024").
The patch also adds a qemu trace message for this condition.
Signed-off-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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In pcnet_receive(), we try to assign size_ to size which converts from
size_t to integer. This will cause troubles when size_ is greater
INT_MAX, this will lead a negative value in size and it can then pass
the check of size < MIN_BUF_SIZE which may lead out of bound access
for both buf and buf1.
Fixing by converting the type of size to size_t.
CC: qemu-stable@nongnu.org
Reported-by: Daniel Shapira <daniel@twistlock.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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In rtl8139_do_receive(), we try to assign size_ to size which converts
from size_t to integer. This will cause troubles when size_ is greater
INT_MAX, this will lead a negative value in size and it can then pass
the check of size < MIN_BUF_SIZE which may lead out of bound access of
for both buf and buf1.
Fixing by converting the type of size to size_t.
CC: qemu-stable@nongnu.org
Reported-by: Daniel Shapira <daniel@twistlock.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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In ne2000_receive(), we try to assign size_ to size which converts
from size_t to integer. This will cause troubles when size_ is greater
INT_MAX, this will lead a negative value in size and it can then pass
the check of size < MIN_BUF_SIZE which may lead out of bound access of
for both buf and buf1.
Fixing by converting the type of size to size_t.
CC: qemu-stable@nongnu.org
Reported-by: Daniel Shapira <daniel@twistlock.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Before, we did not clear callback like handle_output when delete
the virtqueue which may result be segmentfault.
The scene is as follows:
1. Start a vm with multiqueue vhost-net,
2. then we write VIRTIO_PCI_GUEST_FEATURES in PCI configuration to
triger multiqueue disable in this vm which will delete the virtqueue.
In this step, the tx_bh is deleted but the callback virtio_net_handle_tx_bh
still exist.
3. Finally, we write VIRTIO_PCI_QUEUE_NOTIFY in PCI configuration to
notify the deleted virtqueue. In this way, virtio_net_handle_tx_bh
will be called and qemu will be crashed.
Although the way described above is uncommon, we had better reinforce it.
CC: qemu-stable@nongnu.org
Signed-off-by: liujunjie <liujunjie23@huawei.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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'remotes/huth-gitlab/tags/pull-request-2018-10-17' into staging
- Updates for qtest entries in test/Makefile.include
- Simple updates for some shell scripts
- Misc simple patches for files without regular subsystem pull requests
# gpg: Signature made Wed 17 Oct 2018 08:20:35 BST
# gpg: using RSA key 2ED9D774FE702DB5
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>"
# gpg: aka "Thomas Huth <thuth@redhat.com>"
# gpg: aka "Thomas Huth <huth@tuxfamily.org>"
# gpg: aka "Thomas Huth <th.huth@posteo.de>"
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* remotes/huth-gitlab/tags/pull-request-2018-10-17:
configure: remove glib_subprocess check
hw/core/generic-loader: Compile only once, not for each target
cpu: Provide a proper prototype for target_words_bigendian() in a header
hw/core/generic-loader: Set a category for the generic-loader device
qemu/compiler: Wrap __attribute__((flatten)) in a macro
mailmap: Fix Reimar Döffinger name
show-fixed-bugs.sh: Modern shell scripting (use $() instead of ``)
git-submodule.sh: Modern shell scripting (use $() instead of ``)
archive-source.sh: Modern shell scripting (use $() instead of ``)
MAINTAINERS: update block/sheepdog maintainers
gdbstub: Remove unused include
tests: remove gcov-files- variables
tests: Prevent more accidental test disabling
target/cris/translate: Get rid of qemu_log_separate()
qemu-common.h: update copyright date to 2018
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The generic-loader is currently compiled target specific due to one
single "#ifdef TARGET_WORDS_BIGENDIAN" in the file. We have already a
function called target_words_bigendian() for this instead, so we can
put the generic-loader into common-obj to save some compilation time.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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We've got three places already that provide a prototype for this
function in a .c file - that's ugly. Let's provide a proper prototype
in a header instead, with a proper description why this function should
not be used in most cases.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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Each device that is instantiatable by the users should be marked with
a category. Since the generic-loader does not fit anywhere else, put
it into the MISC category.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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Implement support for 64bit descriptor addresses.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20181011021931.4249-8-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Add support for selecting the Memory Region that the GEM
will do DMA to.
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20181011021931.4249-7-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Add support for extended descriptors with optional 64bit
addressing and timestamping. QEMU will not yet provide
timestamps (always leaving the valid timestamp bit as zero).
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20181011021931.4249-6-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Add macro with max number of DMA descriptor words.
No functional change.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20181011021931.4249-5-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Use uint32_t instead of unsigned to describe 32bit descriptor words.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20181011021931.4249-4-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Disable the Timestamping Unit feature bit since QEMU does not
yet support it. This allows guest SW to correctly probe for
its existance.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20181011021931.4249-2-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Bindings for /secure-chosen and /secure-chosen/stdout-path have been
proposed 1.5 years ago [1] and implemented in OP-TEE at the same time [2].
They've now been officially agreed on, so we can implement them
in QEMU.
This patch creates the property when the machine is secure.
[1] https://patchwork.kernel.org/patch/9602401/
[2] https://github.com/OP-TEE/optee_os/commit/4dc31c52544a
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Message-id: 20181005080729.6480-1-jerome.forissier@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: commit message tweak]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Define a TYPE_VFIO_PCI and drop DO_UPCAST.
Signed-off-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Allow the instantation of generic dynamic vfio-platform devices again,
without the need to create a new device-specific vfio type.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Up to now we have relied on the device type to identify a device tree
node creation function. Since we would like the vfio-platform device to
be instantiable with different compatible strings we introduce the
capability to specialize the node creation depending on actual
compatible value.
NodeCreationPair is renamed into BindingEntry. The struct is enhanced
with compat and match_fn() fields. We introduce a new matching function
adapted to the vfio-platform generic device.
Soon, the AMD XGBE can be instantiated with either manner, i.e.:
-device vfio-amd-xgbe,host=e0900000.xgmac
or using the new option line:
-device vfio-platform,host=e0900000.xgmac
Signed-off-by: Eric Auger <eric.auger@redhat.com>
[geert: Match using compatible values in sysfs instead of user-supplied
manufacturer/model options, reword]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Up to now the vfio-platform device has been abstract and could not be
instantiated. The integration of a new vfio platform device required
creating a dummy derived device which only set the compatible string.
Following the few vfio-platform device integrations we have seen the
actual requested adaptation happens on device tree node creation
(sysbus-fdt).
Hence remove the abstract setting, and read the list of compatible
values from sysfs if not set by a derived device.
Update the amd-xgbe and calxeda-xgmac drivers to fill in the number of
compatible values, as there can now be more than one.
Note that sysbus-fdt does not support the instantiation of the
vfio-platform device yet.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
[geert: Rebase, set user_creatable=true, use compatible values in sysfs
instead of user-supplied manufacturer/model options, reword]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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So we have a boot display when using a vgpu as primary display.
ramfb depends on a fw_cfg file. fw_cfg files can not be added and
removed at runtime, therefore a ramfb-enabled vfio device can't be
hotplugged.
Add a nohotplug variant of the vfio-pci device (as child class). Add
the ramfb property to the nohotplug variant only. So to enable the vgpu
display with boot support use this:
-device vfio-pci-nohotplug,display=on,ramfb=on,sysfsdev=...
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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In downstream distros like RHEL we'd like to disable some of the "legacy"
devices of QEMU. The ISA version of the Cirrus VGA device is one of these
legacy devices. So let's make the build process a little bit more flexible
here by putting the Cirrus ISA code into a separate file which is only
included if both, CONFIG_VGA_CIRRUS and CONFIG_VGA_ISA are set.
Note that this disables "isa-cirrus-vga" for the ppc-softmmu and the
alpha-softmmu target since CONFIG_VGA_ISA is not set there. But I think
this is OK since these targets are only interested in the PCI variant
anyway.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 1539339106-32427-1-git-send-email-thuth@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This also makes the default display resolution configurable,
via xres and yres properties. The default is 1024x768.
The old code had a hard-coded resolution of 1600x1200.
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20181005110837.28209-1-kraxel@redhat.com
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Fixes: CID 1395986
Fixes: 979f7ef8966bc4495a710ed9e4af42098f92ee79
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181005134608.1251-1-kraxel@redhat.com
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