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Signed-off-by: Josh Soref <jsoref@users.noreply.github.com>
The missing syscall rt_sigprocmask(2) was triggered for the musl build
upon rebooting the VM, and was causing the VM to be killed.
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit gives the possibility to create a virtio-mem device with
some memory already plugged into it. This is preliminary work to be
able to reboot a VM with the virtio-mem region being already resized.
Signed-off-by: Hui Zhu <teawater@antfin.com>
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
The virtio-mem driver is generating some warnings regarding both size
and alignment of the virtio-mem region if not based on 128MiB:
The alignment of the physical start address can make some memory
unusable.
The alignment of the physical end address can make some memory
unusable.
For these reasons, the current patch enforces virtio-mem regions to be
128MiB aligned and checks the size provided by the user is a multiple of
128MiB.
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
Implement support for associating a virtio-mem device with a specific
guest NUMA node, based on the ACPI proximity domain identifier.
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
By testing manually the memory resizing through virtio-mem, several
missing syscalls have been identified.
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
The Windows virtio block driver puts multiple data descriptors between
the header and the status footer. To handle this when parsing iterate
over the descriptor chain until the end is reached accumulating the
address and length pairs in a vector. For execution iterate over the
vector and make sequential reads from the disk for each data descriptor.
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
We observed CI instability for the past couple of days. This
instability is confirmed to be a result of incomplete seccomp
filters. Given the filter on 'virtio_vsock' is recently added and
is missing 'brk', it is likely to be the root cause of the
instability.
Signed-off-by: Bo Chen <chen.bo@intel.com>
This removes the dependency of the pci crate on the devices crate which
now only contains the device implementations themselves.
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
Split the block device implementation into code that be used in common
between multiple different virtio device implementations.
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
In order to simplify the transition to VirtioCommon and to avoid needing
to set empty fields derive Default for VirtioCommon.
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
Rearrange the code to match other devices which makes it easier to prep
for sharing this between other devices.
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
Move the if-let for the taps later which makes the earlier activation
code identical to other devices.
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
Introduce VirtioCommon to help remove duplicated functionality and state
between implementations of VirtioDevice. Initially it is only handling
feature acknowledgement and testing.
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
There will be some cases where the implementation of the snapshot()
function from the Snapshottable trait will require to modify some
internal data, therefore we make this possible by updating the trait
definition with snapshot(&mut self).
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
"debug!" marco is used in virtio-devices/src/epoll_helper.rs. When"-vvv"
and "--log-file" option was specified, the missing "SYS_write" rule
caused a "bad system call" crash.
Signed-off-by: Michael Zhao <michael.zhao@arm.com>
