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When features for Hyper-V are enabled there's a another type of exit
that can be triggered. This change attempts to add support for those
types of exits.
BUG=b:150151095
TEST=ran build_test
Change-Id: I3131a2c8d9c610576ac177dbfe82f78e8d5dbfb1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2073254
Reviewed-by: Matt Delco <delco@chromium.org>
Tested-by: Matt Delco <delco@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: Matt Delco <delco@chromium.org>
Auto-Submit: Matt Delco <delco@chromium.org>
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This change primarily adds functionality to allow kvm features to be
enabled on a vcpu (most of the current infra only supporst the ioctl for
the vm fd).
BUG=b:144746965
TEST=ran 'build_test' and verified that the added tests passed.
Change-Id: I30c00b6f462377c21d477602ceba5853df953b37
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2055883
Tested-by: Matt Delco <delco@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Dmitry Torokhov <dtor@chromium.org>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
Commit-Queue: Matt Delco <delco@chromium.org>
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Kvm can emulate the hyper-v paravirt interface. Newer versions of kvm
can advertise the features they support via an ioctl() that reports the
cpuid leafs for this interface. This change adds some support for the
ioctl() and plumbs it through the plugin interface so that plugins can
determine the level of support available in kvm.
BUG=b:144746965
TEST=Ran build_test on kernel that supports the ioctl. Added temporary
code to print the cpuid leafs and verified that the output is as
expected. Instrumented failure as expected from older kernels and
verified that results still passed.
Change-Id: I6cd7dade1793e4edb52b331d5b960685541f7ba3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2037919
Tested-by: Matt Delco <delco@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Commit-Queue: Matt Delco <delco@chromium.org>
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A plugin might care to be immediately notified when a write
is made to a port, but it doesn't care to have the VM stopped
while the plugin calls back to resume the VM.
Unfortunately this means that multiple messages can be queued up in the
pipe and read() together by the plugin API. Protobuf's parsing function
doesn't report how many bytes it read, so I've resorted to having crosvm
prefix every message with a length and then have the plugin lib parse
this number. Impact on performance has not been measured.
BUG=b:143294496
TEST=Local build and run of build_test. Verified that new unit
test was executed, exercised the case where multiple msgs are
received together, and completed successfully.
Change-Id: If6ef463e7b4d2e688e649f832a764fa644bf2d36
Signed-off-by: Matt Delco <delco@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1896376
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Stephen Barber <smbarber@chromium.org>
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This change tries to improve the performance of a plugin-based VM
by adding a hint API that allows crosvm to proactively push cpu
state to the plugin when certain ports for hypercalls are accessed
by the VM.
BUG=None
TEST=build and run. See performance increase significantly.
Change-Id: I71af24ebc034095ffea42eedb9ffda0afc719cd6
Signed-off-by: Matt Delco <delco@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1873005
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Zach Reizner <zachr@chromium.org>
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If a plugin makes a set call on vcpu registers then we
can improve performance by deferring the IPC and instead
conbining the request with the next resume call.
BUG=None
TEST=build and run.
Change-Id: I4eb54a3f6eb30c98971aa2f099e3ea5899767eed
Signed-off-by: Matt Delco <delco@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1825262
Reviewed-by: Zach Reizner <zachr@chromium.org>
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The resume response was deleted in a earlier change. This change
removes the message type from the proto file and adjusts crosvm
so it can still build after this removal.
BUG=None
TEST=build and run.
Change-Id: I27d36a51b1e7eb59258d23da38199b86d7cb3659
Signed-off-by: Matt Delco <delco@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1825260
Reviewed-by: Zach Reizner <zachr@chromium.org>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
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This adds a new disk file type next to raw files and qcow images that
represent an indirection to further raw disk files. The disk file
itself is a proto file with references to file paths for other disks to
open and their virtual offsets and lengths.
The intention is to make it easy to assemble a single virtual hard disk
out of several distinct partition files. In the particular case of
Cuttlefish running Android in a VM, this is relevant as the Android
build system distributes partitions as separate raw files. While the
simple solution is to pass each partition as a separate raw disk, some
functionality (like the bootloader) assumes there is a partition table
with multiple distinct partitions on a single disk.
Implementing composite disk support in the VMM bridges this gap through
supporting the general-purpose case of a disk built out of multiple
component files.
If desired, this can be extended to support qcow files to support
unusual configurations like a mixed qcow/raw disk.
Enabled with the "composite-disk" feature.
Bug: b/133432409
Change-Id: I2b0c47d92fab13b5dc0ca5a960c7cfd2b7145b87
Signed-off-by: Cody Schuffelen <schuffelen@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1667767
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Commit-Queue: Daniel Verkamp <dverkamp@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
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A few files were missing license blurbs at the top, so update them all
to include them.
BUG=none
TEST=none
Change-Id: Ida101be2e5c255b8cffeb15f5b93f63bfd1b130b
Reviewed-on: https://chromium-review.googlesource.com/1577900
Commit-Ready: Stephen Barber <smbarber@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
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Pipes have better performance than sockets, so switch the vcpu
communication over to pipes. The vm communication channels will
continue to use sockets since that communication isn't performance
critical (and those messages sometimes exchange file descriptors, and
that functionality requires sockets).
TEST=local compile and confirmed that my diagnostic plugin is still
happy. The time it takes to run my benchmark plugin has decreased by
20%. This combined with my prior commit results in a net wall-clock
time reduction of 32%.
BUG=None
Change-Id: I44c198d62a3bbe3b539ff6ac79707d02488876e3
Signed-off-by: Matt Delco <delco@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1572873
Commit-Ready: Matt Delco <delco@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Zach Reizner <zachr@chromium.org>
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Protoc_rust emits this into every file it generates:
#![cfg_attr(feature = "cargo-clippy", allow(clippy))]
which is the old style of tool attribute. It is deprecated in favor of
actual tool attributes that stabilized in rust 1.31.
#![allow(clippy::all)]
Without this PR, the warning when running bin/clippy looks like:
warning: lint name `clippy` is deprecated and may not have an effect in the future.
--> /chromiumos/src/platform/crosvm/target/debug/build/protos/out/trunks/interface.rs:6:10
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6 | #![cfg_attr(feature = "cargo-clippy", allow(clippy))]
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= note: #[warn(renamed_and_removed_lints)] on by default
TEST=bin/clippy
Change-Id: I1a484379a8f53d76d3667590cd8458588492d2b1
Reviewed-on: https://chromium-review.googlesource.com/1567849
Commit-Ready: David Tolnay <dtolnay@chromium.org>
Tested-by: David Tolnay <dtolnay@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
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This de-duplicates the two separate build.rs files dealing with proto
compilation. The trunks interface.proto will be exposed under
protos::trunks and the plugin proto will be exposed under protos::plugin.
BUG=none
TEST=cargo check
TEST=cargo check --features tpm
TEST=cargo check --features plugin
TEST=cargo check --features tpm,plugin
TEST=FEATURES=test emerge-nami crosvm
TEST=FEATURES=test USE=crosvm-tpm emerge-nami crosvm
TEST=FEATURES=test USE=crosvm-plugin emerge-nami crosvm
TEST=FEATURES=test USE='crosvm-tpm crosvm-plugin' emerge-nami crosvm
TEST=local kokoro
CQ-DEPEND=CL:1553971
Change-Id: I203b654a38e9d671a508156ae06dfb6f70047c4f
Reviewed-on: https://chromium-review.googlesource.com/1556417
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: David Tolnay <dtolnay@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
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The TPM device will need these protos to communicate TPM commands to the
Trunks daemon and receive TPM responses.
BUG=chromium:911799
TEST=cargo check
TEST=cargo check --features tpm
TEST=FEATURES=test emerge-nami crosvm
TEST=FEATURES=test USE=crosvm-tpm emerge-nami crosvm
TEST=local kokoro
CQ-DEPEND=CL:1553610
CQ-DEPEND=CL:1553971
Change-Id: I1a67a7b4a3714236b20a790068ca19129446f71c
Reviewed-on: https://chromium-review.googlesource.com/1554982
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: David Tolnay <dtolnay@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: David Tolnay <dtolnay@chromium.org>
Reviewed-by: Zach Reizner <zachr@chromium.org>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
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