mirror of
https://github.com/projectacrn/acrn-hypervisor.git
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doc: fix all headings to use title case
While we hoped to make the headings consistent over time while doing other edits, we should instead just make the squirrels happy and do them all at once or they'll likely never be made consistent. A python script was used to find the headings, and then a call to https://pypi.org/project/titlecase to transform the title. A visual inspection was used to tweak a few unexpected resulting titles. Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
This commit is contained in:
David B. Kinder
David Kinder
parent
6e655d098b
commit
0bd384d41b
@ -28,8 +28,8 @@ and the `Graphics Execution Manager(GEM)`_ parts of `i915 driver`_.
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.. _i915 driver: https://01.org/linuxgraphics/gfx-docs/drm/gpu/i915.html
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Intel GVT-g Guest Support(vGPU)
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===============================
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Intel GVT-g Guest Support (vGPU)
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================================
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.. kernel-doc:: drivers/gpu/drm/i915/i915_vgpu.c
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:doc: Intel GVT-g guest support
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@ -37,8 +37,8 @@ Intel GVT-g Guest Support(vGPU)
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.. kernel-doc:: drivers/gpu/drm/i915/i915_vgpu.c
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:internal:
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Intel GVT-g Host Support(vGPU device model)
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===========================================
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Intel GVT-g Host Support (vGPU Device Model)
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============================================
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.. kernel-doc:: drivers/gpu/drm/i915/intel_gvt.c
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:doc: Intel GVT-g host support
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@ -47,7 +47,7 @@ Intel GVT-g Host Support(vGPU device model)
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:internal:
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VHM APIs called from AcrnGT
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VHM APIs Called From AcrnGT
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****************************
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The Virtio and Hypervisor Service Module (VHM) is a kernel module in the
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@ -83,7 +83,7 @@ responses to user space modules, notified by vIRQ injections.
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.. _MPT_interface:
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AcrnGT mediated passthrough (MPT) interface
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AcrnGT Mediated Passthrough (MPT) Interface
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*******************************************
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AcrnGT receives request from GVT module through MPT interface. Refer to the
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@ -145,7 +145,7 @@ This section describes the wrap functions:
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.. _intel_gvt_ops_interface:
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GVT-g intel_gvt_ops interface
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GVT-g Intel_gvt_ops Interface
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*****************************
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This section contains APIs for GVT-g intel_gvt_ops interface. Sources are found
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@ -186,23 +186,23 @@ in the `ACRN kernel GitHub repo`_
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.. _sysfs_interface:
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AcrnGT sysfs interface
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AcrnGT Sysfs Interface
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***********************
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This section contains APIs for the AcrnGT sysfs interface. Sources are found
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in the `ACRN kernel GitHub repo`_
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sysfs nodes
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Sysfs Nodes
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===========
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In below examples all accesses to these interfaces are via bash command
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``echo`` or ``cat``. This is a quick and easy way to get/control things. But
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when these operations fails, it is impossible to get respective error code by
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In the following examples, all accesses to these interfaces are via bash command
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``echo`` or ``cat``. This is a quick and easy way to get or control things. But
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when these operations fail, it is impossible to get respective error code by
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this way.
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When accessing sysfs entries, people should use library functions such as
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``read()`` or ``write()``.
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When accessing sysfs entries, use library functions such as
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``read()`` or ``write()`` instead.
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On **success**, the returned value of ``read()`` or ``write()`` indicates how
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many bytes have been transferred. On **error**, the returned value is ``-1``
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@ -210,33 +210,17 @@ and the global ``errno`` will be set appropriately. This is the only way to
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figure out what kind of error occurs.
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/sys/kernel/gvt/
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----------------
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- The ``/sys/kernel/gvt/`` class sub-directory belongs to AcrnGT and provides a
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centralized sysfs interface for configuring vGPU properties.
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The ``/sys/kernel/gvt/`` class sub-directory belongs to AcrnGT and provides a
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centralized sysfs interface for configuring vGPU properties.
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- The ``/sys/kernel/gvt/control/`` sub-directory contains all the necessary
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switches for different purposes.
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- The ``/sys/kernel/gvt/control/create_gvt_instance`` node is used by ACRN-DM to
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create/destroy a vGPU instance.
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/sys/kernel/gvt/control/
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------------------------
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- After a VM is created, a new sub-directory ``/sys/kernel/GVT/vmN`` ("N" is the VM id) will be
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created.
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The ``/sys/kernel/gvt/control/`` sub-directory contains all the necessary
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switches for different purposes.
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/sys/kernel/gvt/control/create_gvt_instance
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-------------------------------------------
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The ``/sys/kernel/gvt/control/create_gvt_instance`` node is used by ACRN-DM to
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create/destroy a vGPU instance.
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/sys/kernel/gvt/vmN/
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--------------------
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After a VM is created, a new sub-directory ``vmN`` ("N" is the VM id) will be
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created.
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/sys/kernel/gvt/vmN/vgpu_id
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---------------------------
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The ``/sys/kernel/gvt/vmN/vgpu_id`` node is to get vGPU id from VM which id is
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N.
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- The ``/sys/kernel/gvt/vmN/vgpu_id`` node is to get vGPU id from VM which id is
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N.
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20
doc/asa.rst
20
doc/asa.rst
@ -3,13 +3,13 @@
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Security Advisory
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#################
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Addressed in ACRN v2.3
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Addressed in ACRN V2.3
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************************
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We recommend that all developers upgrade to this v2.3 release (or later), which
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addresses the following security issue that was discovered in previous releases:
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------
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-----
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- NULL Pointer Dereference in ``devicemodel\hw\pci\virtio\virtio_mei.c``
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``vmei_proc_tx()`` function tries to find the ``iov_base`` by calling
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@ -19,13 +19,13 @@ addresses the following security issue that was discovered in previous releases:
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**Affected Release:** v2.2 and earlier.
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Addressed in ACRN v2.1
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Addressed in ACRN V2.1
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************************
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We recommend that all developers upgrade to this v2.1 release (or later), which
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addresses the following security issue that was discovered in previous releases:
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------
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-----
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- Missing access control restrictions in the Hypervisor component
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A malicious entity with root access in the Service VM
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@ -36,13 +36,13 @@ addresses the following security issue that was discovered in previous releases:
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**Affected Release:** v2.0 and v1.6.1.
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Addressed in ACRN v1.6.1
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Addressed in ACRN V1.6.1
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************************
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We recommend that all developers upgrade to this v1.6.1 release (or later), which
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addresses the following security issue that was discovered in previous releases:
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------
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-----
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- Service VM kernel Crashes When Fuzzing HC_ASSIGN_PCIDEV and HC_DEASSIGN_PCIDEV
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NULL pointer dereference due to invalid address of PCI device to be assigned or
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@ -52,13 +52,13 @@ addresses the following security issue that was discovered in previous releases:
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**Affected Release:** v1.6.
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Addressed in ACRN v1.6
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Addressed in ACRN V1.6
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**********************
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We recommend that all developers upgrade to this v1.6 release (or later), which
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addresses the following security issues that were discovered in previous releases:
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------
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-----
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- Hypervisor Crashes When Fuzzing HC_DESTROY_VM
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The input 'vdev->pdev' should be validated properly when handling
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@ -84,13 +84,13 @@ addresses the following security issues that were discovered in previous release
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**Affected Release:** v1.4 and earlier.
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Addressed in ACRN v1.4
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Addressed in ACRN V1.4
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**********************
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We recommend that all developers upgrade to this v1.4 release (or later), which
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addresses the following security issues that were discovered in previous releases:
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------
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-----
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- Mitigation for Machine Check Error on Page Size Change
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Improper invalidation for page table updates by a virtual guest operating
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@ -24,7 +24,7 @@ For simplicity, in the rest of this document, the term GVT is used to
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refer to the core device model component of GVT-g, specifically
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corresponding to ``gvt.ko`` when build as a module.
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Purpose of this document
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Purpose of This Document
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************************
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This document explains the relationship between components of GVT-g in
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@ -94,11 +94,11 @@ VHM module
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GVT-g components and interfaces
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Core scenario interaction sequences
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Core Scenario Interaction Sequences
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***********************************
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vGPU creation scenario
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vGPU Creation Scenario
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======================
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In this scenario, AcrnGT receives a create request from ACRN-DM. It
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@ -111,14 +111,14 @@ configure space of the vGPU (virtual device 0:2:0) via VHM's APIs.
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Finally, the AcrnGT module launches an AcrnGT emulation thread to
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listen to I/O trap notifications from HVM and ACRN hypervisor.
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vGPU destroy scenario
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vGPU Destroy Scenario
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=====================
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In this scenario, AcrnGT receives a destroy request from ACRN-DM. It
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calls GVT's :ref:`intel_gvt_ops_interface` to inform GVT of the vGPU destroy
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request, and cleans up all vGPU resources.
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vGPU PCI configure space write scenario
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vGPU PCI Configure Space Write Scenario
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=======================================
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ACRN traps the vGPU's PCI config space write, notifies AcrnGT's
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@ -133,26 +133,26 @@ config space write:
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corresponding part in the host's aperture.
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#. Otherwise, write to the virtual PCI configuration space of the vGPU.
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PCI configure space read scenario
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PCI Configure Space Read Scenario
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=================================
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Call sequence is almost the same as the write scenario above,
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but instead it calls the GVT's :ref:`intel_gvt_ops_interface`
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``emulate_cfg_read`` to emulate the vGPU PCI config space read.
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GGTT read/write scenario
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GGTT Read/Write Scenario
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========================
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GGTT's trap is set up in the PCI configure space write
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scenario above.
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MMIO read/write scenario
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MMIO Read/Write Scenario
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========================
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MMIO's trap is set up in the PCI configure space write
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scenario above.
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PPGTT write-protection page set/unset scenario
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PPGTT Write-Protection Page Set/Unset Scenario
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==============================================
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PPGTT write-protection page is set by calling ``acrn_ioreq_add_iorange``
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@ -161,13 +161,13 @@ allowing read without trap.
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PPGTT write-protection page is unset by calling ``acrn_ioreq_del_range``.
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PPGTT write-protection page write
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PPGTT Write-Protection Page Write
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=================================
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In the VHM module, ioreq for PPGTT WP and MMIO trap is the same. It will
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also be trapped into the routine ``intel_vgpu_emulate_mmio_write()``.
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API details
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API Details
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***********
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APIs of each component interface can be found in the :ref:`GVT-g_api`
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@ -114,7 +114,7 @@ platforms such as GitHub.
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If you haven't already done so, you'll need to create a (free) GitHub account
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on https://github.com and have Git tools available on your development system.
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Repository layout
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Repository Layout
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*****************
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To clone the ACRN hypervisor repository (including the ``hypervisor``,
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@ -166,7 +166,7 @@ Contribution Tools and Git Setup
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.. _Git send-email documentation:
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https://git-scm.com/docs/git-send-email
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git-send-email
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Git-Send-Email
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==============
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If you'll be submitting code patches, you may need to install
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@ -178,7 +178,7 @@ for example use::
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and then configure Git` with your SMTP server information as
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described in the `Git send-email documentation`_.
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Signed-off-by
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Signed-Off-By
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=============
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The name in the commit message ``Signed-off-by:`` line and your email must
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@ -162,7 +162,7 @@ Would be rendered as:
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Remove all generated output, restoring the folders to a
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clean state.
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Multi-column lists
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Multi-Column Lists
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******************
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If you have a long bullet list of items, where each item is short, you
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@ -282,7 +282,7 @@ columns, you can specify ``:widths: 1 2 2``. If you'd like the browser
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to set the column widths automatically based on the column contents, you
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can use ``:widths: auto``.
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File names and Commands
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File Names and Commands
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***********************
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Sphinx extends reST by supporting additional inline markup elements (called
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@ -484,7 +484,7 @@ as needed, generally at least 500 px wide but no more than 1000 px, and
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no more than 250 KB unless a particularly large image is needed for
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clarity.
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Tabs, spaces, and indenting
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Tabs, Spaces, and Indenting
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***************************
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Indenting is significant in reST file content, and using spaces is
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@ -641,7 +641,7 @@ without this ``rst-class`` directive will not be numbered.) For example::
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.. rst-class:: numbered-step
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First instruction step
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First Instruction Step
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**********************
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This is the first instruction step material. You can do the usual paragraphs and
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@ -651,7 +651,7 @@ can move steps around easily if needed).
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.. rst-class:: numbered-step
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Second instruction step
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Second Instruction Step
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***********************
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This is the second instruction step.
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@ -1,6 +1,6 @@
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.. _graphviz-examples:
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Drawings using graphviz
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Drawings Using Graphviz
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#######################
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We support using the Sphinx `graphviz extension`_ for creating simple
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@ -35,7 +35,7 @@ and the generated output would appear as this:
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Let's look at some more examples and then we'll get into more details
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about the dot language and drawing options.
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Simple directed graph
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Simple Directed Graph
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*********************
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For simple drawings with shapes and lines, you can put the graphviz
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@ -77,7 +77,7 @@ colors, as shown.
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.. _standard HTML color names:
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https://www.w3schools.com/colors/colors_hex.asp
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Adding edge labels
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Adding Edge Labels
|
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******************
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Here's an example of a drawing with labels on the edges (arrows)
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@ -1,6 +1,6 @@
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.. _atkbdc_virt_hld:
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AT keyboard controller emulation
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AT Keyboard Controller Emulation
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################################
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This document describes the AT keyboard controller emulation implementation in the ACRN device model. The Atkbdc device emulates a PS2 keyboard and mouse.
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@ -16,7 +16,7 @@ The PS2 port is a 6-pin mini-Din connector used for connecting keyboards and mic
|
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AT keyboard controller emulation architecture
|
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|
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PS2 keyboard emulation
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PS2 Keyboard Emulation
|
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**********************
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ACRN supports AT keyboard controller for PS2 keyboard that can be accessed through I/O ports(0x60 and 0x64). 0x60 is used to access AT keyboard controller data register, 0x64 is used to access AT keyboard controller address register.
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@ -45,7 +45,7 @@ The PS2 keyboard ACPI description as below::
|
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})
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}
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PS2 mouse emulation
|
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PS2 Mouse Emulation
|
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*******************
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|
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ACRN supports AT keyboard controller for PS2 mouse that can be accessed through I/O ports(0x60 and 0x64).
|
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|
||||
@ -1,12 +1,12 @@
|
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.. _APL_GVT-g-hld:
|
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|
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GVT-g high-level design
|
||||
GVT-g High-Level Design
|
||||
#######################
|
||||
|
||||
Introduction
|
||||
************
|
||||
|
||||
Purpose of this Document
|
||||
Purpose of This Document
|
||||
========================
|
||||
|
||||
This high-level design (HLD) document describes the usage requirements
|
||||
@ -919,7 +919,7 @@ OS and an Android Guest OS.
|
||||
|
||||
Full picture of the AcrnGT
|
||||
|
||||
AcrnGT in kernel
|
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AcrnGT in Kernel
|
||||
=================
|
||||
|
||||
The AcrnGT module in the Service VM kernel acts as an adaption layer to connect
|
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|
||||
@ -1,6 +1,6 @@
|
||||
.. _hld-devicemodel:
|
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|
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Device Model high-level design
|
||||
Device Model High-Level Design
|
||||
##############################
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|
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Hypervisor Device Model (DM) is a QEMU-like application in Service VM
|
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@ -279,7 +279,7 @@ DM Initialization
|
||||
VHM
|
||||
***
|
||||
|
||||
VHM overview
|
||||
VHM Overview
|
||||
============
|
||||
|
||||
Device Model manages User VM by accessing interfaces exported from VHM
|
||||
@ -302,7 +302,7 @@ hypercall to the hypervisor. There are two exceptions:
|
||||
|
||||
Architecture of ACRN VHM
|
||||
|
||||
VHM ioctl interfaces
|
||||
VHM Ioctl Interfaces
|
||||
====================
|
||||
|
||||
.. note:: Reference API documents for General interface, VM Management,
|
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@ -756,7 +756,7 @@ called from the PIO/MMIO handler.
|
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The PCI emulation device will make use of interrupt APIs as well for
|
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its interrupt injection.
|
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PCI Host Bridge and hierarchy
|
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PCI Host Bridge and Hierarchy
|
||||
=============================
|
||||
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||||
There is PCI host bridge emulation in DM. The bus hierarchy is
|
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@ -892,7 +892,7 @@ shows a typical ACPI table layout in an Intel APL platform:
|
||||
|
||||
Typical ACPI table layout on Intel APL platform
|
||||
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ACPI virtualization
|
||||
ACPI Virtualization
|
||||
===================
|
||||
|
||||
Most modern OSes requires ACPI, so we need ACPI virtualization to
|
||||
|
||||
@ -1,6 +1,6 @@
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||||
.. _hld-emulated-devices:
|
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Emulated devices high-level design
|
||||
Emulated Devices High-Level Design
|
||||
##################################
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|
||||
Full virtualization device models can typically
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _hld-hypervisor:
|
||||
|
||||
Hypervisor high-level design
|
||||
Hypervisor High-Level Design
|
||||
############################
|
||||
|
||||
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _hld-overview:
|
||||
|
||||
ACRN high-level design overview
|
||||
ACRN High-Level Design Overview
|
||||
###############################
|
||||
|
||||
ACRN is an open source reference hypervisor (HV) that runs on top of
|
||||
@ -28,7 +28,7 @@ The Instrument Control (IC) system manages graphic displays of:
|
||||
- alerts of low fuel or tire pressure
|
||||
- rear-view camera (RVC) and surround-camera view for driving assistance
|
||||
|
||||
In-vehicle Infotainment
|
||||
In-Vehicle Infotainment
|
||||
=======================
|
||||
|
||||
A typical In-vehicle Infotainment (IVI) system supports:
|
||||
@ -419,7 +419,7 @@ to complete the User VM's host-to-guest mapping using this pseudo code:
|
||||
host2guest_map_for_uos(x.hpa, x.uos_gpa, x.size)
|
||||
end
|
||||
|
||||
Virtual Slim bootloader
|
||||
Virtual Slim Bootloader
|
||||
=======================
|
||||
|
||||
The Virtual Slim bootloader (vSBL) is the virtual bootloader that supports
|
||||
@ -451,7 +451,7 @@ For an Android VM, the vSBL will load and verify trusty OS first, and
|
||||
trusty OS will then load and verify Android OS according to the Android
|
||||
OS verification mechanism.
|
||||
|
||||
OVMF bootloader
|
||||
OVMF Bootloader
|
||||
=======================
|
||||
|
||||
Open Virtual Machine Firmware (OVMF) is the virtual bootloader that supports
|
||||
@ -536,7 +536,7 @@ Boot Flow
|
||||
Power Management
|
||||
****************
|
||||
|
||||
CPU P-state & C-state
|
||||
CPU P-State & C-State
|
||||
=====================
|
||||
|
||||
In ACRN, CPU P-state and C-state (Px/Cx) are controlled by the guest OS.
|
||||
@ -562,7 +562,7 @@ This diagram shows CPU P/C-state management blocks:
|
||||
|
||||
CPU P/C-state management block diagram
|
||||
|
||||
System power state
|
||||
System Power State
|
||||
==================
|
||||
|
||||
ACRN supports ACPI standard defined power state: S3 and S5 in system
|
||||
|
||||
@ -1,12 +1,12 @@
|
||||
.. _hld-power-management:
|
||||
|
||||
Power Management high-level design
|
||||
Power Management High-Level Design
|
||||
##################################
|
||||
|
||||
P-state/C-state management
|
||||
P-State/C-State Management
|
||||
**************************
|
||||
|
||||
ACPI Px/Cx data
|
||||
ACPI Px/Cx Data
|
||||
===============
|
||||
|
||||
CPU P-state/C-state are controlled by the guest OS. The ACPI
|
||||
@ -54,7 +54,7 @@ Hypervisor module named CPU state table:
|
||||
With these Px/Cx data, the Hypervisor is able to intercept the guest's
|
||||
P/C-state requests with desired restrictions.
|
||||
|
||||
Virtual ACPI table build flow
|
||||
Virtual ACPI Table Build Flow
|
||||
=============================
|
||||
|
||||
:numref:`vACPItable` shows how to build the virtual ACPI table with the
|
||||
@ -127,7 +127,7 @@ could customize it according to their hardware/software requirements.
|
||||
ACRN System S3/S5 diagram
|
||||
|
||||
|
||||
System low power state entry process
|
||||
System Low Power State Entry Process
|
||||
====================================
|
||||
|
||||
Each time, when lifecycle manager of User VM starts power state transition,
|
||||
@ -171,7 +171,7 @@ For system power state entry:
|
||||
6. OSPM in ACRN hypervisor checks all guests are in S5 state and shuts down
|
||||
whole system.
|
||||
|
||||
System low power state exit process
|
||||
System Low Power State Exit Process
|
||||
===================================
|
||||
|
||||
The low power state exit process is in reverse order. The ACRN
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _hld-security:
|
||||
|
||||
Security high-level design
|
||||
Security High-Level Design
|
||||
##########################
|
||||
|
||||
.. primary author: Bing Zhu
|
||||
@ -131,7 +131,7 @@ Boot Flow
|
||||
---------
|
||||
ACRN supports two verified boot sequences.
|
||||
|
||||
1) Verified Boot Sequence with SBL
|
||||
1) Verified Boot Sequence With SBL
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
As shown in :numref:`security-bootflow-sbl`, the Converged Security Engine
|
||||
Firmware (CSE FW) behaves as the root of trust in this platform boot
|
||||
@ -148,7 +148,7 @@ before launching.
|
||||
|
||||
ACRN Boot Flow with SBL
|
||||
|
||||
2) Verified Boot Sequence with UEFI
|
||||
2) Verified Boot Sequence With UEFI
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
As shown in :numref:`security-bootflow-uefi`, in this boot sequence, UEFI
|
||||
authenticates and starts the ACRN hypervisor firstly,and hypervisor will return
|
||||
@ -193,7 +193,7 @@ partners are responsible for image signing, ensuring the key strength
|
||||
meets security requirements, and storing the secret RSA private key
|
||||
securely.
|
||||
|
||||
Guest Secure Boot with OVMF
|
||||
Guest Secure Boot With OVMF
|
||||
---------------------------
|
||||
Open Virtual Machine Firmware (OVMF) is an EDK II based project to enable UEFI
|
||||
support for virtual machines in a virtualized environment. In ACRN, OVMF is
|
||||
@ -677,7 +677,7 @@ virtual power life cycle management is out of scope in this document.
|
||||
This subsection is intended to describe the security issues for those
|
||||
power cycles.
|
||||
|
||||
User VM Power On and Shutdown
|
||||
User VM Power on and Shutdown
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
The memory of the User VM is allocated dynamically by the DM
|
||||
@ -744,7 +744,7 @@ for secure-world is preserved too. The physical memory region of
|
||||
secure world is removed from EPT paging tables of any guest VM,
|
||||
even including the Service VM.
|
||||
|
||||
Third-party libraries
|
||||
Third-Party Libraries
|
||||
---------------------
|
||||
|
||||
All the third-party libraries must be examined before use to verify
|
||||
@ -754,7 +754,7 @@ can be used to search for known vulnerabilities.
|
||||
|
||||
.. _platform_root_of_trust:
|
||||
|
||||
Platform Root of Trust Key/SEED Derivation
|
||||
Platform Root of Trust Key/Seed Derivation
|
||||
==========================================
|
||||
|
||||
For security reason, each guest VM requires a root key, which is used to
|
||||
@ -880,7 +880,7 @@ memory (>=511G) are valid for Trusty World's EPT only.
|
||||
|
||||
Memory View for User VM non-secure World and Secure World
|
||||
|
||||
Trusty/TEE Hypercalls
|
||||
Trusty/Tee Hypercalls
|
||||
---------------------
|
||||
|
||||
Two hypercalls are introduced to assist in secure world (Trusty/TEE)
|
||||
@ -1039,7 +1039,7 @@ SEED Derivation
|
||||
|
||||
Refer to the previous section: :ref:`platform_root_of_trust`.
|
||||
|
||||
Trusty/TEE S3 (Suspend To RAM)
|
||||
Trusty/Tee S3 (Suspend to RAM)
|
||||
------------------------------
|
||||
|
||||
Secure world S3 design is not yet finalized. However, there is a
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _hld_splitlock:
|
||||
|
||||
Handling Split-locked Access in ACRN
|
||||
Handling Split-Locked Access in ACRN
|
||||
####################################
|
||||
|
||||
A split lock is any atomic operation whose operand crosses two cache
|
||||
@ -12,7 +12,7 @@ system performance.
|
||||
This document explains Split-locked Access, how to detect it, and how
|
||||
ACRN handles it.
|
||||
|
||||
Split-locked Access Introduction
|
||||
Split-Locked Access Introduction
|
||||
********************************
|
||||
Intel-64 and IA32 multiple-processor systems support locked atomic
|
||||
operations on locations in system memory. For example, The LOCK instruction
|
||||
@ -38,7 +38,7 @@ Split-locked Access can cause unexpected long latency to ordinary memory
|
||||
operations by other CPUs while the bus is locked. This degraded system
|
||||
performance can be hard to investigate.
|
||||
|
||||
Split-locked Access Detection
|
||||
Split-Locked Access Detection
|
||||
*****************************
|
||||
The `Intel Tremont Microarchitecture
|
||||
<https://newsroom.intel.com/news/intel-introduces-tremont-microarchitecture>`_
|
||||
@ -70,7 +70,7 @@ MSR registers.
|
||||
- The 29th bit of TEST_CTL MSR(0x33) controls enabling and disabling #AC for Split-locked
|
||||
Access.
|
||||
|
||||
ACRN Handling Split-locked Access
|
||||
ACRN Handling Split-Locked Access
|
||||
*********************************
|
||||
Split-locked Access is not expected in the ACRN hypervisor itself, and
|
||||
should never happen. However, such access could happen inside a VM. ACRN
|
||||
@ -92,7 +92,7 @@ support for handling split-locked access follows these design principles:
|
||||
native OS). The real-time (RT) guest must avoid a Split-locked Access
|
||||
and consider it a software bug.
|
||||
|
||||
Enable Split-Locked Access handling early
|
||||
Enable Split-Locked Access Handling Early
|
||||
==========================================
|
||||
This feature is enumerated at the Physical CPU (pCPU) pre-initialization
|
||||
stage, where ACRN detects CPU capabilities. If the pCPU supports this
|
||||
@ -128,7 +128,7 @@ problem by reporting a warning message that the VM tried writing to
|
||||
TEST_CTRL MSR.
|
||||
|
||||
|
||||
Disable Split-locked Access Detection
|
||||
Disable Split-Locked Access Detection
|
||||
=====================================
|
||||
If the CPU supports Split-locked Access detection, the ACRN hypervisor
|
||||
uses it to prevent any VM running with potential system performance
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _hld-trace-log:
|
||||
|
||||
Tracing and Logging high-level design
|
||||
Tracing and Logging High-Level Design
|
||||
#####################################
|
||||
|
||||
Both Trace and Log are built on top of a mechanism named shared
|
||||
@ -30,7 +30,7 @@ is allowed to put data into that sbuf in HV, and a single consumer is
|
||||
allowed to get data from sbuf in Service VM. Therefore, no lock is required to
|
||||
synchronize access by the producer and consumer.
|
||||
|
||||
sbuf APIs
|
||||
Sbuf APIs
|
||||
=========
|
||||
|
||||
The sbuf APIs are defined in ``hypervisor/include/debug/sbuf.h``.
|
||||
@ -128,7 +128,7 @@ kinds of logs:
|
||||
- Current runtime logs;
|
||||
- Logs remaining in the buffer, from the last crashed run.
|
||||
|
||||
Architectural diagram
|
||||
Architectural Diagram
|
||||
=====================
|
||||
|
||||
Similar to the design of ACRN Trace, ACRN Log is built on top of
|
||||
@ -149,7 +149,7 @@ up:
|
||||
Architectural diagram of ACRN Log
|
||||
|
||||
|
||||
ACRN log support in Hypervisor
|
||||
ACRN Log Support in Hypervisor
|
||||
==============================
|
||||
|
||||
To support ``acrnlog``, the following adaption was made to hypervisor log
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
.. _hld-virtio-devices:
|
||||
.. _virtio-hld:
|
||||
|
||||
Virtio devices high-level design
|
||||
Virtio Devices High-Level Design
|
||||
################################
|
||||
|
||||
The ACRN Hypervisor follows the `Virtual I/O Device (virtio)
|
||||
@ -47,7 +47,7 @@ ACRN's virtio architectures, and elaborates on ACRN virtio APIs. Finally
|
||||
this section will introduce all the virtio devices currently supported
|
||||
by ACRN.
|
||||
|
||||
Virtio introduction
|
||||
Virtio Introduction
|
||||
*******************
|
||||
|
||||
Virtio is an abstraction layer over devices in a para-virtualized
|
||||
@ -268,7 +268,7 @@ Kernel-Land Virtio Framework
|
||||
ACRN supports two kernel-land virtio frameworks: VBS-K, designed from
|
||||
scratch for ACRN, the other called Vhost, compatible with Linux Vhost.
|
||||
|
||||
VBS-K framework
|
||||
VBS-K Framework
|
||||
---------------
|
||||
|
||||
The architecture of ACRN VBS-K is shown in
|
||||
@ -301,7 +301,7 @@ driver development.
|
||||
|
||||
ACRN Kernel Land Virtio Framework
|
||||
|
||||
Vhost framework
|
||||
Vhost Framework
|
||||
---------------
|
||||
|
||||
Vhost is similar to VBS-K. Vhost is a common solution upstreamed in the
|
||||
@ -346,7 +346,7 @@ can be described as:
|
||||
virtqueue, which results a event_signal on kick fd by VHM ioeventfd.
|
||||
5. vhost device in kernel signals on the irqfd to notify the guest.
|
||||
|
||||
Ioeventfd implementation
|
||||
Ioeventfd Implementation
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
Ioeventfd module is implemented in VHM, and can enhance a registered
|
||||
@ -372,7 +372,7 @@ The workflow can be summarized as:
|
||||
corresponding eventfd.
|
||||
7. trigger the signal to related eventfd.
|
||||
|
||||
Irqfd implementation
|
||||
Irqfd Implementation
|
||||
~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
The irqfd module is implemented in VHM, and can enhance a registered
|
||||
@ -584,7 +584,7 @@ VBS-K APIs
|
||||
The VBS-K APIs are exported by VBS-K related modules. Users could use
|
||||
the following APIs to implement their VBS-K modules.
|
||||
|
||||
APIs provided by DM
|
||||
APIs Provided by DM
|
||||
~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
.. doxygenfunction:: vbs_kernel_reset
|
||||
@ -596,7 +596,7 @@ APIs provided by DM
|
||||
.. doxygenfunction:: vbs_kernel_stop
|
||||
:project: Project ACRN
|
||||
|
||||
APIs provided by VBS-K modules in service OS
|
||||
APIs Provided by VBS-K Modules in Service OS
|
||||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||||
|
||||
.. kernel-doc:: include/linux/vbs/vbs.h
|
||||
@ -611,7 +611,7 @@ APIs provided by VBS-K modules in service OS
|
||||
VHOST APIS
|
||||
==========
|
||||
|
||||
APIs provided by DM
|
||||
APIs Provided by DM
|
||||
-------------------
|
||||
|
||||
.. doxygenfunction:: vhost_dev_init
|
||||
@ -626,7 +626,7 @@ APIs provided by DM
|
||||
.. doxygenfunction:: vhost_dev_stop
|
||||
:project: Project ACRN
|
||||
|
||||
Linux vhost IOCTLs
|
||||
Linux Vhost IOCTLs
|
||||
------------------
|
||||
|
||||
``#define VHOST_GET_FEATURES _IOR(VHOST_VIRTIO, 0x00, __u64)``
|
||||
@ -658,7 +658,7 @@ Linux vhost IOCTLs
|
||||
This IOCTL is used to set the eventfd which is used by vhost do inject
|
||||
virtual interrupt.
|
||||
|
||||
VHM eventfd IOCTLs
|
||||
VHM Eventfd IOCTLs
|
||||
------------------
|
||||
|
||||
.. doxygenstruct:: acrn_ioeventfd
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
.. _hld-vsbl:
|
||||
|
||||
Virtual Slim-Bootloader high-level design
|
||||
Virtual Slim-Bootloader High-Level Design
|
||||
#########################################
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _hostbridge_virt_hld:
|
||||
|
||||
Hostbridge emulation
|
||||
Hostbridge Emulation
|
||||
####################
|
||||
|
||||
Overview
|
||||
@ -8,7 +8,7 @@ Overview
|
||||
|
||||
Hostbridge emulation is based on PCI emulation; however, the hostbridge emulation only sets the PCI configuration space. The device model sets the PCI configuration space for hostbridge in the Service VM and then exposes it to the User VM to detect the PCI hostbridge.
|
||||
|
||||
PCI Host Bridge and hierarchy
|
||||
PCI Host Bridge and Hierarchy
|
||||
*****************************
|
||||
|
||||
There is PCI host bridge emulation in DM. The bus hierarchy is determined by ``acrn-dm`` command line input. Using this command line, as an example::
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _hv-config:
|
||||
|
||||
Compile-time Configuration
|
||||
Compile-Time Configuration
|
||||
##########################
|
||||
|
||||
.. note:: With ACRN release 2.4, ACRN configuration has changed
|
||||
|
||||
@ -1,11 +1,11 @@
|
||||
.. _hv-console-shell-uart:
|
||||
|
||||
Hypervisor console, hypervisor shell, and virtual UART
|
||||
Hypervisor Console, Hypervisor Shell, and Virtual UART
|
||||
######################################################
|
||||
|
||||
.. _hv-console:
|
||||
|
||||
Hypervisor console
|
||||
Hypervisor Console
|
||||
******************
|
||||
|
||||
The hypervisor console is a text-based terminal accessible from UART.
|
||||
@ -32,7 +32,7 @@ is active:
|
||||
configured at compile time. In the release version, the console is
|
||||
disabled and the physical UART is not used by the hypervisor or Service VM.
|
||||
|
||||
Hypervisor shell
|
||||
Hypervisor Shell
|
||||
****************
|
||||
|
||||
For debugging, the hypervisor shell provides commands to list some
|
||||
|
||||
@ -31,7 +31,7 @@ Based on Intel VT-x virtualization technology, ACRN emulates a virtual CPU
|
||||
- **simple schedule**: a well-designed scheduler framework that allows ACRN
|
||||
to adopt different scheduling policies, such as the **noop** and **round-robin**:
|
||||
|
||||
- **noop scheduler**: only two thread loops are maintained for a CPU: a
|
||||
- **noop scheduler**: only two thread loops are maintained for a CPU: a
|
||||
vCPU thread and a default idle thread. A CPU runs most of the time in
|
||||
the vCPU thread for emulating a guest CPU, switching between VMX root
|
||||
mode and non-root mode. A CPU schedules out to default idle when an
|
||||
@ -45,7 +45,7 @@ Based on Intel VT-x virtualization technology, ACRN emulates a virtual CPU
|
||||
itself as well, such as when it executes "PAUSE" instruction.
|
||||
|
||||
|
||||
Static CPU partitioning
|
||||
Static CPU Partitioning
|
||||
***********************
|
||||
|
||||
CPU partitioning is a policy for mapping a virtual
|
||||
@ -75,7 +75,7 @@ VM.
|
||||
|
||||
See :ref:`cpu_sharing` for more information.
|
||||
|
||||
CPU management in the Service VM under static CPU partitioning
|
||||
CPU Management in the Service VM Under Static CPU Partitioning
|
||||
==============================================================
|
||||
|
||||
With ACRN, all ACPI table entries are passthrough to the Service VM, including
|
||||
@ -96,7 +96,7 @@ Here is an example flow of CPU allocation on a multi-core platform.
|
||||
|
||||
CPU allocation on a multi-core platform
|
||||
|
||||
CPU management in the Service VM under flexible CPU sharing
|
||||
CPU Management in the Service VM Under Flexible CPU Sharing
|
||||
===========================================================
|
||||
|
||||
As all Service VM CPUs could share with different User VMs, ACRN can still passthrough
|
||||
@ -105,7 +105,7 @@ MADT to Service VM, and the Service VM is still able to see all physical CPUs.
|
||||
But as under CPU sharing, the Service VM does not need offline/release the physical
|
||||
CPUs intended for User VM use.
|
||||
|
||||
CPU management in the User VM
|
||||
CPU Management in the User VM
|
||||
=============================
|
||||
|
||||
``cpu_affinity`` in ``vm config`` defines a set of pCPUs that a User VM
|
||||
@ -113,7 +113,7 @@ is allowed to run on. acrn-dm could choose to launch on only a subset of the pCP
|
||||
or on all pCPUs listed in cpu_affinity, but it can't assign
|
||||
any pCPU that is not included in it.
|
||||
|
||||
CPU assignment management in HV
|
||||
CPU Assignment Management in HV
|
||||
===============================
|
||||
|
||||
The physical CPU assignment is pre-defined by ``cpu_affinity`` in
|
||||
@ -169,7 +169,7 @@ lifecycle:
|
||||
:project: Project ACRN
|
||||
|
||||
|
||||
vCPU Scheduling under static CPU partitioning
|
||||
vCPU Scheduling Under Static CPU Partitioning
|
||||
*********************************************
|
||||
|
||||
.. figure:: images/hld-image35.png
|
||||
@ -225,7 +225,7 @@ Some example scenario flows are shown here:
|
||||
*hcall_notify_ioreq_finish->resume_vcpu* and makes the vCPU
|
||||
schedule back to *vcpu_thread* to continue its guest execution.
|
||||
|
||||
vCPU Scheduling under flexible CPU sharing
|
||||
vCPU Scheduling Under Flexible CPU Sharing
|
||||
******************************************
|
||||
|
||||
To be added.
|
||||
|
||||
@ -53,7 +53,7 @@ for post-launched VM:
|
||||
|
||||
Passthrough devices initialization control flow
|
||||
|
||||
Passthrough Device status
|
||||
Passthrough Device Status
|
||||
*************************
|
||||
|
||||
Most common devices on supported platforms are enabled for
|
||||
@ -129,7 +129,7 @@ a passthrough device to/from a post-launched VM is shown in the following figure
|
||||
.. _vtd-posted-interrupt:
|
||||
|
||||
|
||||
VT-d Interrupt-remapping
|
||||
VT-d Interrupt-Remapping
|
||||
************************
|
||||
|
||||
The VT-d interrupt-remapping architecture enables system software to
|
||||
@ -252,7 +252,7 @@ There is one exception, MSI-X table is also in a MMIO BAR. Hypervisor needs to t
|
||||
accesses to MSI-X table. So the page(s) having MSI-X table should not be accessed by guest
|
||||
directly. EPT mapping is not built for these pages having MSI-X table.
|
||||
|
||||
Device configuration emulation
|
||||
Device Configuration Emulation
|
||||
******************************
|
||||
|
||||
The PCI configuration space can be accessed by a PCI-compatible
|
||||
@ -260,7 +260,7 @@ Configuration Mechanism (IO port 0xCF8/CFC) and the PCI Express Enhanced
|
||||
Configuration Access Mechanism (PCI MMCONFIG). The ACRN hypervisor traps
|
||||
this PCI configuration space access and emulate it. Refer to :ref:`split-device-model` for details.
|
||||
|
||||
MSI-X table emulation
|
||||
MSI-X Table Emulation
|
||||
*********************
|
||||
|
||||
VM accesses to MSI-X table should be trapped so that hypervisor has the
|
||||
@ -386,7 +386,7 @@ The platform GSI information is in devicemodel/hw/pci/platform_gsi_info.c
|
||||
for limited platform (currently, only APL MRB). For other platforms, the platform
|
||||
specific GSI information should be added to activate the checking of GSI sharing violation.
|
||||
|
||||
Data structures and interfaces
|
||||
Data Structures and Interfaces
|
||||
******************************
|
||||
|
||||
The following APIs are common APIs provided to initialize interrupt remapping for
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _hv-hypercall:
|
||||
|
||||
Hypercall / VHM upcall
|
||||
Hypercall / VHM Upcall
|
||||
######################
|
||||
|
||||
The hypercall/upcall is used to request services between the Guest VM and the hypervisor.
|
||||
@ -28,7 +28,7 @@ injected to Service VM vCPU0. The Service VM will register the IRQ handler for v
|
||||
module in the Service VM once the IRQ is triggered.
|
||||
View the detailed upcall process at :ref:`ipi-management`
|
||||
|
||||
Hypercall APIs reference:
|
||||
Hypercall APIs Reference:
|
||||
*************************
|
||||
|
||||
:ref:`hypercall_apis` for the Service VM
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _interrupt-hld:
|
||||
|
||||
Physical Interrupt high-level design
|
||||
Physical Interrupt High-Level Design
|
||||
####################################
|
||||
|
||||
Overview
|
||||
@ -374,7 +374,7 @@ IPI vector 0xF3 upcall. The virtual interrupt injection uses IPI vector 0xF0.
|
||||
|
||||
.. _hv_interrupt-data-api:
|
||||
|
||||
Data structures and interfaces
|
||||
Data Structures and Interfaces
|
||||
******************************
|
||||
|
||||
IOAPIC
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _hld-io-emulation:
|
||||
|
||||
I/O Emulation high-level design
|
||||
I/O Emulation High-Level Design
|
||||
###############################
|
||||
|
||||
As discussed in :ref:`intro-io-emulation`, there are multiple ways and
|
||||
@ -215,7 +215,7 @@ Note that there is no state to represent a 'failed' I/O request. Service VM
|
||||
should return all 1's for reads and ignore writes whenever it cannot
|
||||
handle the I/O request, and change the state of the request to COMPLETE.
|
||||
|
||||
Post-work
|
||||
Post-Work
|
||||
=========
|
||||
|
||||
After an I/O request is completed, some more work needs to be done for
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _IOC_virtualization_hld:
|
||||
|
||||
IOC Virtualization high-level design
|
||||
IOC Virtualization High-Level Design
|
||||
####################################
|
||||
|
||||
|
||||
@ -31,7 +31,7 @@ IOC Mediator Design
|
||||
Architecture Diagrams
|
||||
=====================
|
||||
|
||||
IOC introduction
|
||||
IOC Introduction
|
||||
----------------
|
||||
|
||||
.. figure:: images/ioc-image12.png
|
||||
@ -57,7 +57,7 @@ IOC introduction
|
||||
IOC for storing persistent data. The IOC is in charge of accessing NVM
|
||||
following the SoC's requirements.
|
||||
|
||||
CBC protocol introduction
|
||||
CBC Protocol Introduction
|
||||
-------------------------
|
||||
|
||||
The Carrier Board Communication (CBC) protocol multiplexes and
|
||||
@ -85,7 +85,7 @@ The CBC protocol is based on a four-layer system:
|
||||
and contains Multiplexer (MUX) and Priority fields.
|
||||
- The **Service Layer** contains the payload data.
|
||||
|
||||
Native architecture
|
||||
Native Architecture
|
||||
-------------------
|
||||
|
||||
In the native architecture, the IOC controller connects to UART
|
||||
@ -102,7 +102,7 @@ devices.
|
||||
|
||||
IOC Native - Software architecture
|
||||
|
||||
Virtualization architecture
|
||||
Virtualization Architecture
|
||||
---------------------------
|
||||
|
||||
In the virtualization architecture, the IOC Device Model (DM) is
|
||||
@ -163,7 +163,7 @@ char devices and UART DM immediately.
|
||||
- Currently, IOC mediator only cares about lifecycle, signal, and raw data.
|
||||
Others, e.g. diagnosis, are not used by the IOC mediator.
|
||||
|
||||
State transfer
|
||||
State Transfer
|
||||
--------------
|
||||
|
||||
IOC mediator has four states and five events for state transfer.
|
||||
@ -190,7 +190,7 @@ IOC mediator has four states and five events for state transfer.
|
||||
sleep until a RESUME event is triggered to re-open the closed native
|
||||
CBC char devices and transition to the INIT state.
|
||||
|
||||
CBC protocol
|
||||
CBC Protocol
|
||||
------------
|
||||
|
||||
IOC mediator needs to pack/unpack the CBC link frame for IOC
|
||||
@ -221,7 +221,7 @@ priority. Currently, priority is not supported by IOC firmware; the
|
||||
priority setting by the IOC mediator is based on the priority setting of
|
||||
the CBC driver. The Service VM and User VM use the same CBC driver.
|
||||
|
||||
Power management virtualization
|
||||
Power Management Virtualization
|
||||
-------------------------------
|
||||
|
||||
In acrn-dm, the IOC power management architecture involves PM DM, IOC
|
||||
@ -232,7 +232,7 @@ and wakeup reason flow is used to indicate IOC power state to the OS.
|
||||
UART DM transfers all IOC data between the Service VM and User VM. These modules
|
||||
complete boot/suspend/resume/shutdown functions.
|
||||
|
||||
Boot flow
|
||||
Boot Flow
|
||||
+++++++++
|
||||
|
||||
.. figure:: images/ioc-image19.png
|
||||
@ -251,7 +251,7 @@ Boot flow
|
||||
#. PM DM starts User VM.
|
||||
#. User VM lifecycle gets a "booting" wakeup reason.
|
||||
|
||||
Suspend & Shutdown flow
|
||||
Suspend & Shutdown Flow
|
||||
+++++++++++++++++++++++
|
||||
|
||||
.. figure:: images/ioc-image21.png
|
||||
@ -281,7 +281,7 @@ Suspend & Shutdown flow
|
||||
suspend/shutdown SUS_STAT, based on the Service VM's own lifecycle service
|
||||
policy.
|
||||
|
||||
Resume flow
|
||||
Resume Flow
|
||||
+++++++++++
|
||||
|
||||
.. figure:: images/ioc-image22.png
|
||||
@ -326,7 +326,7 @@ For RTC resume flow
|
||||
initial or active heartbeat. The User VM gets wakeup reason 0x800200
|
||||
after resuming..
|
||||
|
||||
System control data
|
||||
System Control Data
|
||||
-------------------
|
||||
|
||||
IOC mediator has several emulated CBC commands, including wakeup reason,
|
||||
@ -385,7 +385,7 @@ table:
|
||||
disable any watchdog on the CBC heartbeat messages during this period
|
||||
of time.
|
||||
|
||||
Wakeup reason
|
||||
Wakeup Reason
|
||||
+++++++++++++
|
||||
|
||||
The wakeup reasons command contains a bit mask of all reasons, which is
|
||||
@ -532,7 +532,7 @@ definition is as below.
|
||||
|
||||
IOC Mediator - RTC flow
|
||||
|
||||
Signal data
|
||||
Signal Data
|
||||
-----------
|
||||
|
||||
Signal channel is an API between the SOC and IOC for
|
||||
@ -579,7 +579,7 @@ new multi signal, which contains the signals in the passlist.
|
||||
|
||||
IOC Mediator - Multi-Signal passlist
|
||||
|
||||
Raw data
|
||||
Raw Data
|
||||
--------
|
||||
|
||||
OEM raw channel only assigns to a specific User VM following that OEM
|
||||
@ -613,7 +613,7 @@ for TTY line discipline in User VM::
|
||||
-l com2,/run/acrn/ioc_$vm_name
|
||||
|
||||
|
||||
Porting and adaptation to different platforms
|
||||
Porting and Adaptation to Different Platforms
|
||||
*********************************************
|
||||
|
||||
TBD
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _memmgt-hld:
|
||||
|
||||
Memory Management high-level design
|
||||
Memory Management High-Level Design
|
||||
###################################
|
||||
|
||||
This document describes memory management for the ACRN hypervisor.
|
||||
@ -233,7 +233,7 @@ checking service and an EPT hugepage supporting checking service. Before the HV
|
||||
enables memory virtualization and uses the EPT hugepage, these services need
|
||||
to be invoked by other units.
|
||||
|
||||
Data Transfer between Different Address Spaces
|
||||
Data Transfer Between Different Address Spaces
|
||||
==============================================
|
||||
|
||||
In ACRN, different memory space management is used in the hypervisor,
|
||||
@ -244,7 +244,7 @@ transferring, or when the hypervisor does instruction emulation: the HV
|
||||
needs to access the guest instruction pointer register to fetch guest
|
||||
instruction data.
|
||||
|
||||
Access GPA from Hypervisor
|
||||
Access GPA From Hypervisor
|
||||
--------------------------
|
||||
|
||||
When the hypervisor needs to access the GPA for data transfer, the caller from guest
|
||||
@ -255,7 +255,7 @@ different 2M huge host-physical pages. The ACRN hypervisor must take
|
||||
care of this kind of data transfer by doing EPT page walking based on
|
||||
its HPA.
|
||||
|
||||
Access GVA from Hypervisor
|
||||
Access GVA From Hypervisor
|
||||
--------------------------
|
||||
|
||||
When the hypervisor needs to access GVA for data transfer, it's likely both
|
||||
@ -312,7 +312,7 @@ PAT entry in the PAT MSR (which is determined by PAT, PCD, and PWT bits
|
||||
from the guest paging structures) to determine the effective memory
|
||||
type.
|
||||
|
||||
VPID operations
|
||||
VPID Operations
|
||||
===============
|
||||
|
||||
Virtual-processor identifier (VPID) is a hardware feature to optimize
|
||||
@ -376,7 +376,7 @@ Interfaces Design
|
||||
The memory virtualization unit interacts with external units through VM
|
||||
exit and APIs.
|
||||
|
||||
VM Exit about EPT
|
||||
VM Exit About EPT
|
||||
=================
|
||||
|
||||
There are two VM exit handlers for EPT violation and EPT
|
||||
@ -395,7 +395,7 @@ Here is a list of major memory related APIs in the HV:
|
||||
EPT/VPID Capability Checking
|
||||
----------------------------
|
||||
|
||||
Data Transferring between hypervisor and VM
|
||||
Data Transferring Between Hypervisor and VM
|
||||
-------------------------------------------
|
||||
|
||||
.. doxygenfunction:: copy_from_gpa
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _partition-mode-hld:
|
||||
|
||||
Partition mode
|
||||
Partition Mode
|
||||
##############
|
||||
|
||||
ACRN is a type-1 hypervisor that supports running multiple guest operating
|
||||
@ -44,7 +44,7 @@ example of two VMs with exclusive access to physical resources.
|
||||
|
||||
Partition Mode example with two VMs
|
||||
|
||||
Guest info
|
||||
Guest Info
|
||||
**********
|
||||
|
||||
ACRN uses multi-boot info passed from the platform bootloader to know
|
||||
@ -57,7 +57,7 @@ configuration and copies them to the corresponding guest memory.
|
||||
.. figure:: images/partition-image18.png
|
||||
:align: center
|
||||
|
||||
ACRN setup for guests
|
||||
ACRN Setup for Guests
|
||||
*********************
|
||||
|
||||
Cores
|
||||
@ -96,7 +96,7 @@ for assigning host memory to the guests:
|
||||
ACRN creates EPT mapping for the guest between GPA (0, memory size) and
|
||||
HPA (starting address in guest configuration, memory size).
|
||||
|
||||
E820 and zero page info
|
||||
E820 and Zero Page Info
|
||||
=======================
|
||||
|
||||
A default E820 is used for all the guests in partition mode. This table
|
||||
@ -123,7 +123,7 @@ e820 info for all the guests.
|
||||
| RESERVED |
|
||||
+------------------------+
|
||||
|
||||
Platform info - mptable
|
||||
Platform Info - Mptable
|
||||
=======================
|
||||
|
||||
ACRN, in partition mode, uses mptable to convey platform info to each
|
||||
@ -132,7 +132,7 @@ guest, and whether the guest needs devices with INTX, ACRN builds
|
||||
mptable and copies it to the guest memory. In partition mode, ACRN uses
|
||||
physical APIC IDs to pass to the guests.
|
||||
|
||||
I/O - Virtual devices
|
||||
I/O - Virtual Devices
|
||||
=====================
|
||||
|
||||
Port I/O is supported for PCI device config space 0xcfc and 0xcf8, vUART
|
||||
@ -141,7 +141,7 @@ Port I/O is supported for PCI device config space 0xcfc and 0xcf8, vUART
|
||||
host-bridge at BDF (Bus Device Function) 0.0:0 to each guest. Access to
|
||||
256 bytes of config space for virtual host bridge is emulated.
|
||||
|
||||
I/O - Passthrough devices
|
||||
I/O - Passthrough Devices
|
||||
=========================
|
||||
|
||||
ACRN, in partition mode, supports passing thru PCI devices on the
|
||||
@ -153,7 +153,7 @@ expects the developer to provide the virtual BDF to BDF of the
|
||||
physical device mapping for all the passthrough devices as part of each guest
|
||||
configuration.
|
||||
|
||||
Runtime ACRN support for guests
|
||||
Runtime ACRN Support for Guests
|
||||
*******************************
|
||||
|
||||
ACRN, in partition mode, supports an option to passthrough LAPIC of the
|
||||
@ -170,7 +170,7 @@ will be discussed in detail in the corresponding sections.
|
||||
:align: center
|
||||
|
||||
|
||||
Guest SMP boot flow
|
||||
Guest SMP Boot Flow
|
||||
===================
|
||||
|
||||
The core APIC IDs are reported to the guest using mptable info. SMP boot
|
||||
@ -178,17 +178,17 @@ flow is similar to sharing mode. Refer to :ref:`vm-startup`
|
||||
for guest SMP boot flow in ACRN. Partition mode guests startup is same as
|
||||
the Service VM startup in sharing mode.
|
||||
|
||||
Inter-processor Interrupt (IPI) Handling
|
||||
Inter-Processor Interrupt (IPI) Handling
|
||||
========================================
|
||||
|
||||
Guests w/o LAPIC passthrough
|
||||
Guests W/O LAPIC Passthrough
|
||||
----------------------------
|
||||
|
||||
For guests without LAPIC passthrough, IPIs between guest CPUs are handled in
|
||||
the same way as sharing mode in ACRN. Refer to :ref:`virtual-interrupt-hld`
|
||||
for more details.
|
||||
|
||||
Guests w/ LAPIC passthrough
|
||||
Guests W/ LAPIC Passthrough
|
||||
---------------------------
|
||||
|
||||
ACRN supports passthrough if and only if the guest is using x2APIC mode
|
||||
@ -204,10 +204,10 @@ corresponding to the destination processor info in the ICR.
|
||||
:align: center
|
||||
|
||||
|
||||
Passthrough device support
|
||||
Passthrough Device Support
|
||||
==========================
|
||||
|
||||
Configuration space access
|
||||
Configuration Space Access
|
||||
--------------------------
|
||||
|
||||
ACRN emulates Configuration Space Address (0xcf8) I/O port and
|
||||
@ -258,7 +258,7 @@ Interrupt Configuration
|
||||
ACRN supports both legacy (INTx) and MSI interrupts for passthrough
|
||||
devices.
|
||||
|
||||
INTx support
|
||||
INTx Support
|
||||
~~~~~~~~~~~~
|
||||
|
||||
ACRN expects developers to identify the interrupt line info (0x3CH) from
|
||||
@ -271,7 +271,7 @@ IOAPIC. When guest masks the RTE in vIOAPIC, ACRN masks the interrupt
|
||||
RTE in the physical IOAPIC. Level triggered interrupts are not
|
||||
supported.
|
||||
|
||||
MSI support
|
||||
MSI Support
|
||||
~~~~~~~~~~~
|
||||
|
||||
Guest reads/writes to PCI configuration space for configuring MSI
|
||||
@ -279,7 +279,7 @@ interrupts using an address. Data and control registers are passthrough to
|
||||
the physical BAR of the passthrough device. Refer to `Configuration
|
||||
space access`_ for details on how the PCI configuration space is emulated.
|
||||
|
||||
Virtual device support
|
||||
Virtual Device Support
|
||||
======================
|
||||
|
||||
ACRN provides read-only vRTC support for partition mode guests. Writes
|
||||
@ -288,10 +288,10 @@ to the data port are discarded.
|
||||
For port I/O to ports other than vPIC, vRTC, or vUART, reads return 0xFF and
|
||||
writes are discarded.
|
||||
|
||||
Interrupt delivery
|
||||
Interrupt Delivery
|
||||
==================
|
||||
|
||||
Guests w/o LAPIC passthrough
|
||||
Guests W/O LAPIC Passthrough
|
||||
----------------------------
|
||||
|
||||
In partition mode of ACRN, interrupts stay disabled after a vmexit. The
|
||||
@ -307,25 +307,25 @@ for device interrupts.
|
||||
:align: center
|
||||
|
||||
|
||||
Guests w/ LAPIC passthrough
|
||||
Guests W/ LAPIC Passthrough
|
||||
---------------------------
|
||||
|
||||
For guests with LAPIC passthrough, ACRN does not configure vmexit upon
|
||||
external interrupts. There is no vmexit upon device interrupts and they are
|
||||
handled by the guest IDT.
|
||||
|
||||
Hypervisor IPI service
|
||||
Hypervisor IPI Service
|
||||
======================
|
||||
|
||||
ACRN needs IPIs for events such as flushing TLBs across CPUs, sending virtual
|
||||
device interrupts (e.g. vUART to vCPUs), and others.
|
||||
|
||||
Guests w/o LAPIC passthrough
|
||||
Guests W/O LAPIC Passthrough
|
||||
----------------------------
|
||||
|
||||
Hypervisor IPIs work the same way as in sharing mode.
|
||||
|
||||
Guests w/ LAPIC passthrough
|
||||
Guests W/ LAPIC Passthrough
|
||||
---------------------------
|
||||
|
||||
Since external interrupts are passthrough to the guest IDT, IPIs do not
|
||||
@ -344,7 +344,7 @@ For a guest console in partition mode, ACRN provides an option to pass
|
||||
``vmid`` as an argument to ``vm_console``. vmid is the same as the one
|
||||
developers use in the guest configuration.
|
||||
|
||||
Guests w/o LAPIC passthrough
|
||||
Guests W/O LAPIC Passthrough
|
||||
----------------------------
|
||||
|
||||
Works the same way as sharing mode.
|
||||
|
||||
@ -3,7 +3,7 @@
|
||||
Power Management
|
||||
################
|
||||
|
||||
System PM module
|
||||
System PM Module
|
||||
****************
|
||||
|
||||
The PM module in the hypervisor does three things:
|
||||
|
||||
@ -38,7 +38,7 @@ IA32_PQR_ASSOC MSR to CLOS 0. (Note that CLOS, or Class of Service, is a
|
||||
resource allocator.) The user can check the cache capabilities such as cache
|
||||
mask and max supported CLOS as described in :ref:`rdt_detection_capabilities`
|
||||
and then program the IA32_type_MASK_n and IA32_PQR_ASSOC MSR with a
|
||||
CLOS ID, to select a cache mask to take effect. These configurations can be
|
||||
CLOS ID, to select a cache mask to take effect. These configurations can be
|
||||
done in scenario XML file under ``FEATURES`` section as shown in the below example.
|
||||
ACRN uses VMCS MSR loads on every VM Entry/VM Exit for non-root and root modes
|
||||
to enforce the settings.
|
||||
@ -137,17 +137,17 @@ needs to be set in the scenario XML file under ``VM`` section.
|
||||
misconfiguration errors.
|
||||
|
||||
|
||||
CAT and MBA high-level design in ACRN
|
||||
CAT and MBA High-Level Design in ACRN
|
||||
*************************************
|
||||
|
||||
Data structures
|
||||
Data Structures
|
||||
===============
|
||||
The below figure shows the RDT data structure to store enumerated resources.
|
||||
|
||||
.. figure:: images/mba_data_structures.png
|
||||
:align: center
|
||||
|
||||
Enabling CAT, MBA software flow
|
||||
Enabling CAT, MBA Software Flow
|
||||
===============================
|
||||
|
||||
The hypervisor enumerates RDT capabilities and sets up mask arrays; it also
|
||||
|
||||
@ -11,7 +11,7 @@ limited timer management services:
|
||||
- A timer can only be added on the logical CPU for a process or thread. Timer
|
||||
scheduling or timer migrating is not supported.
|
||||
|
||||
How it works
|
||||
How It Works
|
||||
************
|
||||
|
||||
When the system boots, we check that the hardware supports lapic
|
||||
|
||||
@ -113,7 +113,7 @@ These APIs will finish by making a vCPU request.
|
||||
.. doxygenfunction:: vlapic_receive_intr
|
||||
:project: Project ACRN
|
||||
|
||||
EOI processing
|
||||
EOI Processing
|
||||
==============
|
||||
|
||||
EOI virtualization is enabled if APICv virtual interrupt delivery is
|
||||
@ -129,7 +129,7 @@ indicate that is a level triggered interrupt.
|
||||
|
||||
.. _lapic_passthru:
|
||||
|
||||
LAPIC passthrough based on vLAPIC
|
||||
LAPIC Passthrough Based on vLAPIC
|
||||
=================================
|
||||
|
||||
LAPIC passthrough is supported based on vLAPIC, the guest OS first boots with
|
||||
@ -280,7 +280,7 @@ window is not present, HV would enable
|
||||
VM Enter directly. The injection will be done on next VM Exit once Guest
|
||||
issues ``STI (GuestRFLAG.IF=1)``.
|
||||
|
||||
Data structures and interfaces
|
||||
Data Structures and Interfaces
|
||||
******************************
|
||||
|
||||
There is no data structure exported to the other components in the
|
||||
|
||||
@ -8,7 +8,7 @@ running VM, and a series VM APIs like create_vm, start_vm, reset_vm, shutdown_vm
|
||||
etc are used to switch a VM to the right state, according to the requirements of
|
||||
applications or system power operations.
|
||||
|
||||
VM structure
|
||||
VM Structure
|
||||
************
|
||||
|
||||
The ``acrn_vm`` structure is defined to manage a VM instance, this structure
|
||||
@ -22,7 +22,7 @@ platform level cpuid entries.
|
||||
The ``acrn_vm`` structure instance will be created by ``create_vm`` API, and then
|
||||
work as the first parameter for other VM APIs.
|
||||
|
||||
VM state
|
||||
VM State
|
||||
********
|
||||
|
||||
Generally, a VM is not running at the beginning: it is in a 'powered off'
|
||||
@ -44,7 +44,7 @@ please refer to :ref:`hv-cpu-virt` for related VCPU state.
|
||||
VM State Management
|
||||
*******************
|
||||
|
||||
Pre-launched and Service VM
|
||||
Pre-Launched and Service VM
|
||||
===========================
|
||||
|
||||
The hypervisor is the owner to control pre-launched and Service VM's state
|
||||
@ -52,7 +52,7 @@ by calling VM APIs directly, following the design of system power
|
||||
management. Please refer to ACRN power management design for more details.
|
||||
|
||||
|
||||
Post-launched User VMs
|
||||
Post-Launched User VMs
|
||||
======================
|
||||
|
||||
DM takes control of post-launched User VMs' state transition after the Service VM
|
||||
|
||||
@ -28,7 +28,7 @@ First-level/nested translation.
|
||||
DMAR Engines Discovery
|
||||
**********************
|
||||
|
||||
DMA Remapping Report ACPI table
|
||||
DMA Remapping Report ACPI Table
|
||||
===============================
|
||||
|
||||
For generic platforms, the ACRN hypervisor retrieves DMAR information from
|
||||
@ -43,13 +43,13 @@ the devices under the scope of a remapping hardware unit, as shown in
|
||||
|
||||
DMA Remapping Reporting Structure
|
||||
|
||||
Pre-parsed DMAR information
|
||||
Pre-Parsed DMAR Information
|
||||
===========================
|
||||
|
||||
For specific platforms, the ACRN hypervisor uses pre-parsed DMA remapping
|
||||
reporting information directly to save hypervisor bootup time.
|
||||
|
||||
DMA remapping unit for integrated graphics device
|
||||
DMA Remapping Unit for Integrated Graphics Device
|
||||
=================================================
|
||||
|
||||
Generally, there is a dedicated remapping hardware unit for the Intel
|
||||
@ -167,7 +167,7 @@ Other domains
|
||||
EPT table of the VM only allows devices to access the memory
|
||||
allocated for the Normal world of the VM.
|
||||
|
||||
Page-walk coherency
|
||||
Page-Walk Coherency
|
||||
===================
|
||||
|
||||
For the VT-d hardware, which doesn't support page-walk coherency, the
|
||||
@ -182,14 +182,14 @@ memory:
|
||||
ACRN flushes the related cache line after these structures are updated
|
||||
if the VT-d hardware doesn't support page-walk coherency.
|
||||
|
||||
Super-page support
|
||||
Super-Page Support
|
||||
==================
|
||||
|
||||
The ACRN VT-d reuses the EPT table as the address translation table. VT-d
|
||||
capability or super-page support should be identical with the usage of the
|
||||
EPT table.
|
||||
|
||||
Snoop control
|
||||
Snoop Control
|
||||
=============
|
||||
|
||||
If VT-d hardware supports snoop control, iVT-d can control the
|
||||
@ -272,7 +272,7 @@ translation for DMAR unit(s) if they are not marked as ignored.
|
||||
|
||||
.. _device-assignment:
|
||||
|
||||
Device assignment
|
||||
Device Assignment
|
||||
*****************
|
||||
|
||||
All devices are initially added to the SOS_VM domain. To assign a device
|
||||
@ -286,7 +286,7 @@ device is removed from the VM domain related to the User OS and then added
|
||||
back to the SOS_VM domain; this changes the address translation table from
|
||||
the EPT of the User OS to the EPT of the SOS_VM for the device.
|
||||
|
||||
Power Management support for S3
|
||||
Power Management Support for S3
|
||||
*******************************
|
||||
|
||||
During platform S3 suspend and resume, the VT-d register values are
|
||||
@ -309,10 +309,10 @@ registered for the IRQ. DMAR unit supports report fault event via MSI.
|
||||
When a fault event occurs, a MSI is generated, so that the DMAR fault
|
||||
handler will be called to report the error event.
|
||||
|
||||
Data structures and interfaces
|
||||
Data Structures and Interfaces
|
||||
******************************
|
||||
|
||||
initialization and deinitialization
|
||||
Initialization and Deinitialization
|
||||
===================================
|
||||
|
||||
The following APIs are provided during initialization and
|
||||
@ -321,7 +321,7 @@ deinitialization:
|
||||
.. doxygenfunction:: init_iommu
|
||||
:project: Project ACRN
|
||||
|
||||
runtime
|
||||
Runtime
|
||||
=======
|
||||
|
||||
The following API are provided during runtime:
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _ivshmem-hld:
|
||||
|
||||
ACRN Shared Memory Based Inter-VM Communication
|
||||
ACRN Shared Memory Based Inter-Vm Communication
|
||||
###############################################
|
||||
|
||||
ACRN supports inter-virtual machine communication based on a shared
|
||||
@ -8,7 +8,7 @@ memory mechanism. The ACRN device model or hypervisor emulates a virtual
|
||||
PCI device (called an ``ivshmem`` device) to expose the base address and
|
||||
size of this shared memory.
|
||||
|
||||
Inter-VM Communication Overview
|
||||
Inter-Vm Communication Overview
|
||||
*******************************
|
||||
|
||||
.. figure:: images/ivshmem-architecture.png
|
||||
@ -129,7 +129,7 @@ Usage
|
||||
|
||||
For usage information, see :ref:`enable_ivshmem`
|
||||
|
||||
Inter-VM Communication Security hardening (BKMs)
|
||||
Inter-Vm Communication Security Hardening (BKMs)
|
||||
************************************************
|
||||
|
||||
As previously highlighted, ACRN 2.0 provides the capability to create shared
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _system-timer-hld:
|
||||
|
||||
System timer virtualization
|
||||
System Timer Virtualization
|
||||
###########################
|
||||
|
||||
ACRN supports RTC (Real-time clock), HPET (High Precision Event Timer),
|
||||
@ -20,7 +20,7 @@ System timer virtualization architecture
|
||||
timerfd\_create interfaces to set up native timers for the trigger timeout
|
||||
mechanism.
|
||||
|
||||
System Timer initialization
|
||||
System Timer Initialization
|
||||
===========================
|
||||
|
||||
The device model initializes vRTC, vHEPT, and vPIT devices automatically when
|
||||
@ -48,7 +48,7 @@ below code snippets.::
|
||||
...
|
||||
}
|
||||
|
||||
PIT emulation
|
||||
PIT Emulation
|
||||
=============
|
||||
|
||||
The ACRN emulated Intel 8253 Programmable Interval Timer includes a chip
|
||||
@ -83,7 +83,7 @@ I/O ports definition::
|
||||
#define TIMER_CNTR2 (IO_TIMER1_PORT + TIMER_REG_CNTR2)
|
||||
#define TIMER_MODE (IO_TIMER1_PORT + TIMER_REG_MODE)
|
||||
|
||||
RTC emulation
|
||||
RTC Emulation
|
||||
=============
|
||||
|
||||
ACRN supports RTC (real-time clock) that can only be accessed through
|
||||
@ -114,7 +114,7 @@ The RTC ACPI description as below::
|
||||
dsdt_line("}");
|
||||
}
|
||||
|
||||
HPET emulation
|
||||
HPET Emulation
|
||||
==============
|
||||
|
||||
ACRN supports HPET (High Precision Event Timer) which is a higher resolution
|
||||
|
||||
@ -43,7 +43,7 @@ An xHCI register access from a User VM will induce EPT trap from the User VM to
|
||||
DM, and the xHCI DM or DRD DM will emulate hardware behaviors to make
|
||||
the subsystem run.
|
||||
|
||||
USB devices supported by USB mediator
|
||||
USB Devices Supported by USB Mediator
|
||||
*************************************
|
||||
|
||||
The following USB devices are supported for the WaaG and LaaG operating systems.
|
||||
@ -70,7 +70,7 @@ The following USB devices are supported for the WaaG and LaaG operating systems.
|
||||
The above information is current as of ACRN 1.4.
|
||||
|
||||
|
||||
USB host virtualization
|
||||
USB Host Virtualization
|
||||
***********************
|
||||
|
||||
USB host virtualization is implemented as shown in
|
||||
@ -116,7 +116,7 @@ This configuration means the virtual xHCI will appear in PCI slot 7
|
||||
in the User VM, and any physical USB device attached on 1-2 or 2-2 will be
|
||||
detected by a User VM and used as expected.
|
||||
|
||||
USB DRD virtualization
|
||||
USB DRD Virtualization
|
||||
**********************
|
||||
|
||||
USB DRD (Dual Role Device) emulation works as shown in this figure:
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _virtio-blk:
|
||||
|
||||
Virtio-blk
|
||||
Virtio-BLK
|
||||
##########
|
||||
|
||||
The virtio-blk device is a simple virtual block device. The FE driver
|
||||
@ -35,7 +35,7 @@ The feature bits supported by the BE device are shown as follows:
|
||||
Device can toggle its cache between writeback and writethrough modes.
|
||||
|
||||
|
||||
Virtio-blk-BE design
|
||||
Virtio-BLK-Be Design
|
||||
********************
|
||||
|
||||
.. figure:: images/virtio-blk-image02.png
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _virtio-console:
|
||||
|
||||
Virtio-console
|
||||
Virtio-Console
|
||||
##############
|
||||
|
||||
The Virtio-console is a simple device for data input and output. The
|
||||
@ -142,7 +142,7 @@ PTY
|
||||
.. code-block:: console
|
||||
|
||||
# minicom -D /dev/pts/0
|
||||
|
||||
|
||||
or:
|
||||
|
||||
.. code-block:: console
|
||||
@ -162,7 +162,7 @@ TTY
|
||||
|
||||
/dev/pts/0
|
||||
# sleep 2d
|
||||
|
||||
|
||||
- If you do not have network access to your device, use screen
|
||||
to create a new TTY:
|
||||
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _virtio-gpio:
|
||||
|
||||
Virtio-gpio
|
||||
Virtio-Gpio
|
||||
###########
|
||||
|
||||
virtio-gpio provides a virtual GPIO controller, which will map part of
|
||||
@ -33,7 +33,7 @@ irq_set_type of irqchip) will trigger a virtqueue_kick on its own
|
||||
virtqueue. If some gpio has been set to interrupt mode, the interrupt
|
||||
events will be handled within the IRQ virtqueue callback.
|
||||
|
||||
GPIO mapping
|
||||
GPIO Mapping
|
||||
************
|
||||
|
||||
.. figure:: images/virtio-gpio-2.png
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _virtio-i2c:
|
||||
|
||||
Virtio-i2c
|
||||
Virtio-I2c
|
||||
##########
|
||||
|
||||
Virtio-i2c provides a virtual I2C adapter that supports mapping multiple
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _virtio-input:
|
||||
|
||||
Virtio-input
|
||||
Virtio-Input
|
||||
############
|
||||
|
||||
The virtio input device can be used to create virtual human interface
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _virtio-net:
|
||||
|
||||
Virtio-net
|
||||
Virtio-Net
|
||||
##########
|
||||
|
||||
Virtio-net is the para-virtualization solution used in ACRN for
|
||||
@ -110,7 +110,7 @@ Initialization in Device Model
|
||||
- Setup data plan callbacks, including TX, RX
|
||||
- Setup TAP backend
|
||||
|
||||
Initialization in virtio-net Frontend Driver
|
||||
Initialization in Virtio-Net Frontend Driver
|
||||
============================================
|
||||
|
||||
**virtio_pci_probe**
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _virtio-rnd:
|
||||
|
||||
Virtio-rnd
|
||||
Virtio-RND
|
||||
##########
|
||||
|
||||
Virtio-rnd provides a virtual hardware random source for the User VM. It simulates a PCI device
|
||||
|
||||
@ -34,7 +34,7 @@ It receives read/write commands from the watchdog driver, does the
|
||||
actions, and returns. In ACRN, the commands are from User VM
|
||||
watchdog driver.
|
||||
|
||||
User VM watchdog workflow
|
||||
User VM Watchdog Workflow
|
||||
*************************
|
||||
|
||||
When the User VM does a read or write operation on the watchdog device's
|
||||
@ -58,7 +58,7 @@ from a User VM to the Service VM and return back:
|
||||
|
||||
Watchdog operation workflow
|
||||
|
||||
Implementation in ACRN and how to use it
|
||||
Implementation in ACRN and How to Use It
|
||||
****************************************
|
||||
|
||||
In ACRN, the Intel 6300ESB watchdog device emulation is added into the
|
||||
|
||||
@ -67,7 +67,7 @@ to protect itself from malicious user space attack.
|
||||
Intel SGX/SMM related attacks are mitigated by using latest microcode.
|
||||
There is no additional action in ACRN hypervisor.
|
||||
|
||||
Guest -> hypervisor Attack
|
||||
Guest -> Hypervisor Attack
|
||||
==========================
|
||||
|
||||
ACRN always enables EPT for all guests (Service VM and User VM), thus a malicious
|
||||
@ -84,7 +84,7 @@ a malicious guest running on one logical processor can attack the data which
|
||||
is brought into L1D by the context which runs on the sibling thread of
|
||||
the same physical core. This context can be any code in hypervisor.
|
||||
|
||||
Guest -> guest Attack
|
||||
Guest -> Guest Attack
|
||||
=====================
|
||||
|
||||
The possibility of guest -> guest attack varies on specific configuration,
|
||||
@ -144,7 +144,7 @@ not all of them apply to a specific ACRN deployment. Check the
|
||||
'Mitigation Status'_ and 'Mitigation Recommendations'_ sections
|
||||
for guidance.
|
||||
|
||||
L1D flush on VMENTRY
|
||||
L1D Flush on VMENTRY
|
||||
====================
|
||||
|
||||
ACRN may optionally flush L1D at VMENTRY, which ensures no
|
||||
@ -175,7 +175,7 @@ is always enabled on all platforms.
|
||||
|
||||
ACRN hypervisor doesn't set reserved bits in any EPT entry.
|
||||
|
||||
Put Secret Data into Uncached Memory
|
||||
Put Secret Data Into Uncached Memory
|
||||
====================================
|
||||
|
||||
It is hard to decide which data in ACRN hypervisor is secret or valuable
|
||||
@ -204,7 +204,7 @@ useful to be attacked.
|
||||
However if such 100% identification is not possible, user should
|
||||
consider other mitigation options to protect hypervisor.
|
||||
|
||||
L1D flush on World Switch
|
||||
L1D Flush on World Switch
|
||||
=========================
|
||||
|
||||
For L1D-affected platforms, ACRN writes to aforementioned MSR
|
||||
@ -218,7 +218,7 @@ normal world is less privileged entity to secure world.
|
||||
|
||||
This mitigation is always enabled.
|
||||
|
||||
Core-based scheduling
|
||||
Core-Based Scheduling
|
||||
=====================
|
||||
|
||||
If Hyper-threading is enabled, it's important to avoid running
|
||||
|
||||
@ -35,7 +35,7 @@ Trusty Architecture
|
||||
|
||||
.. _trusty-hypercalls:
|
||||
|
||||
Trusty specific Hypercalls
|
||||
Trusty Specific Hypercalls
|
||||
**************************
|
||||
|
||||
There are a few :ref:`hypercall_apis` that are related to Trusty.
|
||||
@ -44,7 +44,7 @@ There are a few :ref:`hypercall_apis` that are related to Trusty.
|
||||
:project: Project ACRN
|
||||
:content-only:
|
||||
|
||||
Trusty Boot flow
|
||||
Trusty Boot Flow
|
||||
****************
|
||||
|
||||
By design, the User OS bootloader (``UOS_Loader``) will trigger the Trusty boot process. The complete boot flow is illustrated below.
|
||||
|
||||
@ -9,9 +9,8 @@ Here are some frequently asked questions about the ACRN project.
|
||||
:local:
|
||||
:backlinks: entry
|
||||
|
||||
------
|
||||
|
||||
What hardware does ACRN support?
|
||||
What Hardware Does ACRN Support?
|
||||
********************************
|
||||
|
||||
ACRN runs on Intel boards, as documented in
|
||||
@ -19,7 +18,7 @@ our :ref:`hardware` documentation.
|
||||
|
||||
.. _config_32GB_memory:
|
||||
|
||||
How do I configure ACRN's memory size?
|
||||
How Do I Configure ACRN's Memory Size?
|
||||
**************************************
|
||||
|
||||
It's important that the ACRN configuration settings are aligned with the
|
||||
@ -53,7 +52,7 @@ the ACRN Service VM with the 32G memory size.
|
||||
|
||||
#. Then continue building the ACRN Service VM as usual.
|
||||
|
||||
How to modify the default display output for a User VM?
|
||||
How to Modify the Default Display Output for a User VM?
|
||||
*******************************************************
|
||||
|
||||
Apollo Lake HW has three pipes and each pipe can have three or four planes which
|
||||
@ -98,7 +97,7 @@ these parameters:
|
||||
intentional, and the driver will enforce this if the parameters do not
|
||||
do this.
|
||||
|
||||
Why does ACRN need to know how much RAM the system has?
|
||||
Why Does ACRN Need to Know How Much RAM the System Has?
|
||||
*******************************************************
|
||||
|
||||
Configuring ACRN at compile time with the system RAM size is a tradeoff between
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _getting-started-building:
|
||||
|
||||
Build ACRN from Source
|
||||
Build ACRN From Source
|
||||
######################
|
||||
|
||||
Following a general embedded-system programming model, the ACRN
|
||||
@ -45,7 +45,7 @@ these steps.
|
||||
|
||||
.. rst-class:: numbered-step
|
||||
|
||||
Install build tools and dependencies
|
||||
Install Build Tools and Dependencies
|
||||
************************************
|
||||
|
||||
ACRN development is supported on popular Linux distributions, each with
|
||||
@ -99,7 +99,7 @@ Install the necessary tools for the following systems:
|
||||
|
||||
.. rst-class:: numbered-step
|
||||
|
||||
Get the ACRN hypervisor source code
|
||||
Get the ACRN Hypervisor Source Code
|
||||
***********************************
|
||||
|
||||
The `acrn-hypervisor <https://github.com/projectacrn/acrn-hypervisor/>`_
|
||||
@ -120,7 +120,7 @@ Enter the following to get the acrn-hypervisor source code:
|
||||
|
||||
.. rst-class:: numbered-step
|
||||
|
||||
Build with the ACRN scenario
|
||||
Build With the ACRN Scenario
|
||||
****************************
|
||||
|
||||
Currently, the ACRN hypervisor defines these typical usage scenarios:
|
||||
@ -187,10 +187,10 @@ for each scenario.
|
||||
|
||||
.. rst-class:: numbered-step
|
||||
|
||||
Build the hypervisor configuration
|
||||
Build the Hypervisor Configuration
|
||||
**********************************
|
||||
|
||||
Modify the hypervisor configuration
|
||||
Modify the Hypervisor Configuration
|
||||
===================================
|
||||
|
||||
The ACRN hypervisor leverages Kconfig to manage configurations; it is
|
||||
@ -239,7 +239,7 @@ Refer to the help on menuconfig for a detailed guide on the interface:
|
||||
|
||||
.. rst-class:: numbered-step
|
||||
|
||||
Build the hypervisor, device model, and tools
|
||||
Build the Hypervisor, Device Model, and Tools
|
||||
*********************************************
|
||||
|
||||
Now you can build all these components at once as follows:
|
||||
|
||||
@ -1,11 +1,11 @@
|
||||
Getting Started Guide for ACRN Industry Scenario with ROScube-I
|
||||
Getting Started Guide for ACRN Industry Scenario With ROScube-I
|
||||
###############################################################
|
||||
|
||||
.. contents::
|
||||
:local:
|
||||
:depth: 1
|
||||
|
||||
Verified version
|
||||
Verified Version
|
||||
****************
|
||||
|
||||
- Ubuntu version: **18.04**
|
||||
@ -68,10 +68,10 @@ Prerequisites
|
||||
|
||||
.. rst-class:: numbered-step
|
||||
|
||||
Install ACRN hypervisor
|
||||
Install ACRN Hypervisor
|
||||
***********************
|
||||
|
||||
Set up Environment
|
||||
Set Up Environment
|
||||
==================
|
||||
|
||||
#. Open ``/etc/default/grub/`` and add ``idle=nomwait intel_pstate=disable``
|
||||
@ -203,10 +203,10 @@ Configure Hypervisor
|
||||
|
||||
.. rst-class:: numbered-step
|
||||
|
||||
Install Service VM kernel
|
||||
Install Service VM Kernel
|
||||
*************************
|
||||
|
||||
Build Service VM kernel
|
||||
Build Service VM Kernel
|
||||
=======================
|
||||
|
||||
#. Get code from GitHub
|
||||
@ -302,7 +302,7 @@ Update Grub
|
||||
Install User VM
|
||||
***************
|
||||
|
||||
Before create User VM
|
||||
Before Create User VM
|
||||
=====================
|
||||
|
||||
#. Download Ubuntu image (Here we use `Ubuntu 18.04 LTS
|
||||
@ -316,7 +316,7 @@ Before create User VM
|
||||
bridge-utils virt-manager ovmf
|
||||
sudo reboot
|
||||
|
||||
Create User VM image
|
||||
Create User VM Image
|
||||
====================
|
||||
|
||||
.. note:: Reboot into the **native Linux kernel** (not the ACRN kernel)
|
||||
@ -451,10 +451,10 @@ the User VM.
|
||||
|
||||
.. rst-class:: numbered-step
|
||||
|
||||
Install real-time VM
|
||||
Install Real-Time VM
|
||||
********************
|
||||
|
||||
Copy real-time VM image
|
||||
Copy Real-Time VM Image
|
||||
=======================
|
||||
|
||||
.. note:: Reboot into the **native Linux kernel** (not the ACRN kernel)
|
||||
@ -468,7 +468,7 @@ Copy real-time VM image
|
||||
|
||||
.. figure:: images/rqi-acrn-rtos-ready.png
|
||||
|
||||
Set up real-time VM
|
||||
Set Up Real-Time VM
|
||||
===================
|
||||
|
||||
.. note:: The section will show you how to install Xenomai on ROScube-I.
|
||||
@ -548,7 +548,7 @@ Set up real-time VM
|
||||
|
||||
sudo poweroff
|
||||
|
||||
Run real-time VM
|
||||
Run Real-Time VM
|
||||
================
|
||||
|
||||
Now back to the native machine and we'll set up the environment for
|
||||
@ -582,7 +582,7 @@ launching the real-time VM.
|
||||
In ACRN design, rebooting the real-time VM will also reboot the whole
|
||||
system.
|
||||
|
||||
Customizing the launch file
|
||||
Customizing the Launch File
|
||||
***************************
|
||||
|
||||
The launch file in this tutorial has the following hardware resource allocation.
|
||||
|
||||
@ -1,13 +1,13 @@
|
||||
.. _rt_industry_ubuntu_setup:
|
||||
|
||||
Getting Started Guide for ACRN Industry Scenario with Ubuntu Service VM
|
||||
Getting Started Guide for ACRN Industry Scenario With Ubuntu Service VM
|
||||
#######################################################################
|
||||
|
||||
.. contents::
|
||||
:local:
|
||||
:depth: 1
|
||||
|
||||
Verified version
|
||||
Verified Version
|
||||
****************
|
||||
|
||||
- Ubuntu version: **18.04**
|
||||
@ -51,7 +51,7 @@ Connect the WHL Maxtang with the appropriate external devices.
|
||||
|
||||
.. _install-ubuntu-rtvm-sata:
|
||||
|
||||
Install the Ubuntu User VM (RTVM) on the SATA disk
|
||||
Install the Ubuntu User VM (RTVM) on the SATA Disk
|
||||
**************************************************
|
||||
|
||||
.. note:: The WHL Maxtang machine contains both an NVMe and SATA disk.
|
||||
@ -84,7 +84,7 @@ to turn it into a real-time User VM (RTVM).
|
||||
|
||||
.. _install-ubuntu-Service VM-NVMe:
|
||||
|
||||
Install the Ubuntu Service VM on the NVMe disk
|
||||
Install the Ubuntu Service VM on the NVMe Disk
|
||||
**********************************************
|
||||
|
||||
.. note:: Before you install the Ubuntu Service VM on the NVMe disk, either
|
||||
@ -209,7 +209,7 @@ Build the ACRN Hypervisor on Ubuntu
|
||||
$ sudo mkdir -p /boot/acrn
|
||||
$ sudo cp build/hypervisor/acrn.bin /boot/acrn/
|
||||
|
||||
Build and install the ACRN kernel
|
||||
Build and Install the ACRN Kernel
|
||||
=================================
|
||||
|
||||
#. Build the Service VM kernel from the ACRN repo:
|
||||
@ -224,12 +224,12 @@ Build and install the ACRN kernel
|
||||
|
||||
.. code-block:: none
|
||||
|
||||
$ git checkout v2.3
|
||||
$ git checkout v2.3
|
||||
$ cp kernel_config_uefi_sos .config
|
||||
$ make olddefconfig
|
||||
$ make all
|
||||
|
||||
Install the Service VM kernel and modules
|
||||
Install the Service VM Kernel and Modules
|
||||
=========================================
|
||||
|
||||
.. code-block:: none
|
||||
@ -289,7 +289,7 @@ Update Grub for the Ubuntu Service VM
|
||||
|
||||
$ sudo update-grub
|
||||
|
||||
Enable network sharing for the User VM
|
||||
Enable Network Sharing for the User VM
|
||||
======================================
|
||||
|
||||
In the Ubuntu Service VM, enable network sharing for the User VM:
|
||||
@ -300,7 +300,7 @@ In the Ubuntu Service VM, enable network sharing for the User VM:
|
||||
$ sudo systemctl start systemd-networkd
|
||||
|
||||
|
||||
Reboot the system
|
||||
Reboot the System
|
||||
=================
|
||||
|
||||
Reboot the system. You should see the Grub menu with the new **ACRN
|
||||
@ -317,10 +317,10 @@ typical output of a successful installation resembles the following:
|
||||
[ 0.862942] ACRN HVLog: acrn_hvlog_init
|
||||
|
||||
|
||||
Additional settings in the Service VM
|
||||
Additional Settings in the Service VM
|
||||
=====================================
|
||||
|
||||
BIOS settings of GVT-d for WaaG
|
||||
BIOS Settings of GVT-d for WaaG
|
||||
-------------------------------
|
||||
|
||||
.. note::
|
||||
@ -333,11 +333,11 @@ Set **DVMT Pre-Allocated** to **64MB**:
|
||||
|
||||
.. figure:: images/DVMT-reallocated-64mb.png
|
||||
|
||||
Set **PM Support** to **Enabled**:
|
||||
Set **PM Support** to **Enabled**:
|
||||
|
||||
.. figure:: images/PM-support-enabled.png
|
||||
|
||||
Use OVMF to launch the User VM
|
||||
Use OVMF to Launch the User VM
|
||||
------------------------------
|
||||
|
||||
The User VM will be launched by OVMF, so copy it to the specific folder:
|
||||
@ -347,7 +347,7 @@ The User VM will be launched by OVMF, so copy it to the specific folder:
|
||||
$ sudo mkdir -p /usr/share/acrn/bios
|
||||
$ sudo cp /home/acrn/work/acrn-hypervisor/devicemodel/bios/OVMF.fd /usr/share/acrn/bios
|
||||
|
||||
Build and Install the RT kernel for the Ubuntu User VM
|
||||
Build and Install the RT Kernel for the Ubuntu User VM
|
||||
------------------------------------------------------
|
||||
|
||||
Follow these instructions to build the RT kernel.
|
||||
@ -398,7 +398,7 @@ Grub in the Ubuntu User VM (RTVM) needs to be configured to use the new RT
|
||||
kernel that was just built and installed on the rootfs. Follow these steps to
|
||||
perform this operation.
|
||||
|
||||
Update the Grub file
|
||||
Update the Grub File
|
||||
====================
|
||||
|
||||
#. Reboot into the Ubuntu User VM located on the SATA drive and log on.
|
||||
@ -461,7 +461,7 @@ Launch the RTVM
|
||||
$ sudo cp /home/acrn/work/acrn-hyperviso/misc/vm_configs/sample_launch_scripts/nuc/launch_hard_rt_vm.sh /usr/share/acrn/
|
||||
$ sudo /usr/share/acrn/launch_hard_rt_vm.sh
|
||||
|
||||
Recommended BIOS settings for RTVM
|
||||
Recommended BIOS Settings for RTVM
|
||||
----------------------------------
|
||||
|
||||
.. csv-table::
|
||||
@ -491,7 +491,7 @@ Recommended BIOS settings for RTVM
|
||||
.. note:: BIOS settings depend on the platform and BIOS version; some may
|
||||
not be applicable.
|
||||
|
||||
Recommended kernel cmdline for RTVM
|
||||
Recommended Kernel Cmdline for RTVM
|
||||
-----------------------------------
|
||||
|
||||
.. code-block:: none
|
||||
@ -513,7 +513,7 @@ automatically at the time of RTVM creation. Refer to :ref:`rdt_configuration`
|
||||
for details on RDT configuration and :ref:`hv_rdt` for details on RDT
|
||||
high-level design.
|
||||
|
||||
Set up the core allocation for the RTVM
|
||||
Set Up the Core Allocation for the RTVM
|
||||
---------------------------------------
|
||||
|
||||
In our recommended configuration, two cores are allocated to the RTVM:
|
||||
@ -563,7 +563,7 @@ this, follow the below steps to allocate all housekeeping tasks to core 0:
|
||||
.. note:: Ignore the error messages that might appear while the script is
|
||||
running.
|
||||
|
||||
Run cyclictest
|
||||
Run Cyclictest
|
||||
--------------
|
||||
|
||||
#. Refer to the :ref:`troubleshooting section <enabling the network on the RTVM>`
|
||||
@ -621,7 +621,7 @@ Troubleshooting
|
||||
|
||||
.. _enabling the network on the RTVM:
|
||||
|
||||
Enabling the network on the RTVM
|
||||
Enabling the Network on the RTVM
|
||||
================================
|
||||
|
||||
If you need to access the internet, you must add the following command line
|
||||
@ -644,7 +644,7 @@ to the ``launch_hard_rt_vm.sh`` script before launching it:
|
||||
|
||||
.. _passthru to rtvm:
|
||||
|
||||
Passthrough a hard disk to RTVM
|
||||
Passthrough a Hard Disk to RTVM
|
||||
===============================
|
||||
|
||||
#. Use the ``lspci`` command to ensure that the correct SATA device IDs will
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _acrn_home:
|
||||
|
||||
Project ACRN documentation
|
||||
Project ACRN Documentation
|
||||
##########################
|
||||
|
||||
Welcome to the Project ACRN (version |version|) documentation. ACRN is
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _introduction:
|
||||
|
||||
What is ACRN
|
||||
What Is ACRN
|
||||
############
|
||||
|
||||
Introduction to Project ACRN
|
||||
@ -281,7 +281,7 @@ application scenario needs.
|
||||
|
||||
Here are block diagrams for each of these four scenarios.
|
||||
|
||||
SDC scenario
|
||||
SDC Scenario
|
||||
============
|
||||
|
||||
In this SDC scenario, an instrument cluster (IC) system runs with the
|
||||
@ -295,7 +295,7 @@ VM.
|
||||
|
||||
SDC scenario with two VMs
|
||||
|
||||
Industry scenario
|
||||
Industry Scenario
|
||||
=================
|
||||
|
||||
In this Industry scenario, the Service VM provides device sharing capability for
|
||||
@ -312,7 +312,7 @@ vision, etc.
|
||||
|
||||
Industry scenario
|
||||
|
||||
Hybrid scenario
|
||||
Hybrid Scenario
|
||||
===============
|
||||
|
||||
In this Hybrid scenario, a pre-launched Safety/RTVM is started by the
|
||||
@ -326,7 +326,7 @@ non-real-time tasks.
|
||||
|
||||
Hybrid scenario
|
||||
|
||||
Hybrid real-time (RT) scenario
|
||||
Hybrid Real-Time (RT) Scenario
|
||||
==============================
|
||||
|
||||
In this Hybrid real-time (RT) scenario, a pre-launched RTVM is started by the
|
||||
@ -340,7 +340,7 @@ non-real-time tasks.
|
||||
|
||||
Hybrid RT scenario
|
||||
|
||||
Logical Partition scenario
|
||||
Logical Partition Scenario
|
||||
==========================
|
||||
|
||||
This scenario is a simplified VM configuration for VM logical
|
||||
@ -619,7 +619,7 @@ ACRN Device model incorporates these three aspects:
|
||||
|
||||
.. _pass-through:
|
||||
|
||||
Device passthrough
|
||||
Device Passthrough
|
||||
******************
|
||||
|
||||
At the highest level, device passthrough is about providing isolation
|
||||
@ -651,7 +651,7 @@ don't support passthrough for a legacy serial port, (for example
|
||||
0x3f8).
|
||||
|
||||
|
||||
Hardware support for device passthrough
|
||||
Hardware Support for Device Passthrough
|
||||
=======================================
|
||||
|
||||
Intel's current processor architectures provides support for device
|
||||
@ -673,7 +673,7 @@ fabrics to scale to many devices. MSI is ideal for I/O virtualization,
|
||||
as it allows isolation of interrupt sources (as opposed to physical pins
|
||||
that must be multiplexed or routed through software).
|
||||
|
||||
Hypervisor support for device passthrough
|
||||
Hypervisor Support for Device Passthrough
|
||||
=========================================
|
||||
|
||||
By using the latest virtualization-enhanced processor architectures,
|
||||
@ -688,7 +688,7 @@ assigned to the same guest OS. PCIe does not have this restriction.
|
||||
|
||||
.. _ACRN-io-mediator:
|
||||
|
||||
ACRN I/O mediator
|
||||
ACRN I/O Mediator
|
||||
*****************
|
||||
|
||||
:numref:`io-emulation-path` shows the flow of an example I/O emulation path.
|
||||
@ -736,7 +736,7 @@ The MMIO path is very similar, except the VM exit reason is different. MMIO
|
||||
access is usually trapped through a VMX_EXIT_REASON_EPT_VIOLATION in
|
||||
the hypervisor.
|
||||
|
||||
Virtio framework architecture
|
||||
Virtio Framework Architecture
|
||||
*****************************
|
||||
|
||||
.. _Virtio spec:
|
||||
|
||||
@ -2,7 +2,7 @@
|
||||
|
||||
.. _learn_acrn:
|
||||
|
||||
What is ACRN
|
||||
What Is ACRN
|
||||
############
|
||||
|
||||
ACRN is supported on Apollo Lake and Kaby Lake Intel platforms,
|
||||
|
||||
@ -7,7 +7,7 @@
|
||||
lingering references to these docs out in the wild and in the Google
|
||||
index. Give the reader a reference to the /2.1/ document instead.
|
||||
|
||||
This document was removed
|
||||
This Document Was Removed
|
||||
#########################
|
||||
|
||||
.. raw:: html
|
||||
|
||||
@ -13,7 +13,7 @@ ACRN-based application. This document describes these option settings.
|
||||
:local:
|
||||
:depth: 2
|
||||
|
||||
Common option value types
|
||||
Common Option Value Types
|
||||
*************************
|
||||
|
||||
Within this option documentation, we refer to some common type
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_0.1:
|
||||
|
||||
ACRN v0.1 (July 2018)
|
||||
ACRN V0.1 (July 2018)
|
||||
#####################
|
||||
|
||||
We are pleased to announce the release of Project ACRN version 0.1.
|
||||
@ -14,7 +14,7 @@ The project ACRN reference code can be found on GitHub in
|
||||
https://github.com/projectacrn. It includes the ACRN hypervisor, the
|
||||
ACRN device model, and documentation.
|
||||
|
||||
Version 0.1 new features
|
||||
Version 0.1 New Features
|
||||
************************
|
||||
|
||||
Hardware Support
|
||||
@ -35,7 +35,7 @@ Virtual Graphics support added:
|
||||
assigned to different display. The display ports supports eDP and HDMI.
|
||||
- See :ref:`APL_GVT-G-hld` documentation for more information.
|
||||
|
||||
Virtio standard is supported
|
||||
Virtio Standard Is Supported
|
||||
============================
|
||||
|
||||
Virtio is a virtualization standard for
|
||||
@ -45,7 +45,7 @@ the hypervisor. The SOS and UOS can share physical LAN network
|
||||
and physical eMMC storage device. (See :ref:`virtio-hld` for more
|
||||
information.)
|
||||
|
||||
Device pass-through support
|
||||
Device Pass-Through Support
|
||||
===========================
|
||||
|
||||
Device pass-through to UOS support for:
|
||||
@ -54,13 +54,13 @@ Device pass-through to UOS support for:
|
||||
- SD card (mount, read, and write directly in the UOS)
|
||||
- Converged Security Engine (CSE)
|
||||
|
||||
Hypervisor configuration
|
||||
Hypervisor Configuration
|
||||
========================
|
||||
|
||||
Developers can configure hypervisor via Kconfig parameters. (See
|
||||
documentation for configuration options.)
|
||||
|
||||
New ACRN tools
|
||||
New ACRN Tools
|
||||
==============
|
||||
|
||||
We've added a collection of support tools including acrnctl, acrntrace,
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_0.2:
|
||||
|
||||
ACRN v0.2 (Sep 2018)
|
||||
ACRN V0.2 (Sep 2018)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of Project ACRN version 0.2.
|
||||
@ -31,7 +31,7 @@ https://projectacrn.github.io/0.2/. Documentation for the latest
|
||||
(master) branch is found at https://projectacrn.github.io/latest/.
|
||||
|
||||
|
||||
Version 0.2 new features
|
||||
Version 0.2 New Features
|
||||
************************
|
||||
|
||||
VT-x, VT-d
|
||||
@ -86,7 +86,7 @@ hotspot for 3rd party devices, provides 3rd party device applications
|
||||
access to the vehicle, and provides access of 3rd party devices to the
|
||||
TCU provided connectivity.
|
||||
|
||||
IPU (MIPI-CS2, HDMI-in)
|
||||
IPU (MIPI-CS2, HDMI-In)
|
||||
========================
|
||||
ACRN hypervisor supports passthrough IPU assignment to Service OS or
|
||||
guest OS, without sharing.
|
||||
@ -104,7 +104,7 @@ This is done to ensure performance of the most critical workload can be
|
||||
achieved. Three different schedulers for the GPU are involved: i915 UOS
|
||||
scheduler, Mediator GVT scheduler, and i915 SOS scheduler.
|
||||
|
||||
GPU - display surface sharing via Hyper DMA
|
||||
GPU - Display Surface Sharing via Hyper DMA
|
||||
============================================
|
||||
Surface sharing is one typical automotive use case which requires
|
||||
that the SOS accesses an individual surface or a set of surfaces
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_0.3:
|
||||
|
||||
ACRN v0.3 (Nov 2018)
|
||||
ACRN V0.3 (Nov 2018)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of Project ACRN version 0.3.
|
||||
@ -31,7 +31,7 @@ https://projectacrn.github.io/0.3/. Documentation for the latest
|
||||
(master) branch is found at https://projectacrn.github.io/latest/.
|
||||
|
||||
|
||||
Version 0.3 new features
|
||||
Version 0.3 New Features
|
||||
************************
|
||||
|
||||
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_0.4:
|
||||
|
||||
ACRN v0.4 (Dec 2018)
|
||||
ACRN V0.4 (Dec 2018)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of Project ACRN version 0.4.
|
||||
@ -31,7 +31,7 @@ https://projectacrn.github.io/0.4/. Documentation for the latest
|
||||
(master) branch is found at https://projectacrn.github.io/latest/.
|
||||
|
||||
|
||||
Version 0.4 new features
|
||||
Version 0.4 New Features
|
||||
************************
|
||||
|
||||
- :acrn-issue:`1824` - implement "wbinvd" emulation
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_0.5:
|
||||
|
||||
ACRN v0.5 (Jan 2019)
|
||||
ACRN V0.5 (Jan 2019)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of Project ACRN version 0.5.
|
||||
@ -31,7 +31,7 @@ https://projectacrn.github.io/0.5/. Documentation for the latest
|
||||
(master) branch is found at https://projectacrn.github.io/latest/.
|
||||
|
||||
|
||||
Version 0.5 new features
|
||||
Version 0.5 New Features
|
||||
************************
|
||||
|
||||
**OVMF support initial patches merged in ACRN**:
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_0.6:
|
||||
|
||||
ACRN v0.6 (Feb 2019)
|
||||
ACRN V0.6 (Feb 2019)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of Project ACRN version 0.6.
|
||||
@ -32,7 +32,7 @@ https://projectacrn.github.io/0.6/. Documentation for the latest
|
||||
|
||||
ACRN v0.6 requires Clear Linux OS version 27600.
|
||||
|
||||
Version 0.6 new features
|
||||
Version 0.6 New Features
|
||||
************************
|
||||
|
||||
**Enable Privileged VM support for real-time UOS in ACRN**:
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_0.7:
|
||||
|
||||
ACRN v0.7 (Mar 2019)
|
||||
ACRN V0.7 (Mar 2019)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of Project ACRN version 0.7.
|
||||
@ -32,10 +32,10 @@ https://projectacrn.github.io/0.7/. Documentation for the latest
|
||||
|
||||
ACRN v0.7 requires Clear Linux OS version 28260.
|
||||
|
||||
Version 0.7 new features
|
||||
Version 0.7 New Features
|
||||
************************
|
||||
|
||||
Enable cache QOS with CAT
|
||||
Enable Cache QOS With CAT
|
||||
=========================
|
||||
|
||||
Cache Allocation Technology (CAT) is enabled on Apollo Lake (APL)
|
||||
@ -46,12 +46,12 @@ build time. For debugging and performance tuning, the CAT can also be
|
||||
enabled and configured at runtime by writing proper values to certain
|
||||
MSRs using the ``wrmsr`` command on ACRN shell.
|
||||
|
||||
Support ACPI power key mediator
|
||||
Support ACPI Power Key Mediator
|
||||
===============================
|
||||
ACRN supports ACPI power/sleep key on the APL and KBL NUC platforms,
|
||||
triggering S3/S5 flow, following the ACPI spec.
|
||||
|
||||
Document updates
|
||||
Document Updates
|
||||
================
|
||||
Several new documents have been added in this release, including:
|
||||
|
||||
@ -121,7 +121,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Unplug and plug-in the unrecognized device after booting.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`1991` - Input not accepted in UART Console for corner case
|
||||
Input is useless in UART Console for a corner case, demonstrated with these steps:
|
||||
@ -136,7 +135,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Enter other keys before typing :kbd:`Enter`.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`1996` - There is an error log when using ``acrnd&`` to boot UOS
|
||||
An error log is printed when starting ``acrnd`` as a background job
|
||||
@ -150,7 +148,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2267` - [APLUP2][LaaG] LaaG can't detect 4k monitor
|
||||
After launching UOS on APL UP2 , 4k monitor cannot be detected.
|
||||
@ -159,7 +156,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Use a monitor with less than 4k resolution.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2278` - [KBLNUC] Cx/Px is not supported on KBLNUC
|
||||
C states and P states are not supported on KBL NUC.
|
||||
@ -169,7 +165,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2279` - [APLNUC] After exiting UOS with mediator
|
||||
Usb_KeyBoard and Mouse, SOS cannot use the USB keyboard and mouse.
|
||||
@ -189,7 +184,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Unplug and plug-in the USB keyboard and mouse after exiting UOS.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2522` - [NUC7i7BNH] After starting IAS in SOS, there is no display
|
||||
On NUC7i7BNH, after starting IAS in SOS, there is no display if the monitor is
|
||||
@ -199,7 +193,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2523` - UOS monitor does not display when using IAS
|
||||
There is no UOS display after starting IAS weston.
|
||||
@ -220,7 +213,6 @@ Known Issues
|
||||
|
||||
The issue will be fixed in the next release.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2524` - [UP2][SBL] Launching UOS hangs while weston is running in SOS
|
||||
When using weston in SOS, it will hang during the UOS launch.
|
||||
@ -239,7 +231,6 @@ Known Issues
|
||||
|
||||
The issue will be fixed in the next release.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2527` - [KBLNUC][HV]System will crash when run ``crashme`` (SOS/UOS)
|
||||
System will crash after a few minutes running stress test ``crashme`` tool in SOS/UOS.
|
||||
@ -248,7 +239,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2526` - Hypervisor crash when booting UOS with acrnlog running with mem loglevel=6
|
||||
If we use ``loglevel 3 6`` to change the mem loglevel to 6, we may hit a page fault in HV.
|
||||
@ -257,7 +247,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2753` - UOS cannot resume after suspend by pressing power key
|
||||
UOS cannot resume after suspend by pressing power key
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_0.8:
|
||||
|
||||
ACRN v0.8 (Apr 2019)
|
||||
ACRN V0.8 (Apr 2019)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of Project ACRN version 0.8.
|
||||
@ -32,10 +32,10 @@ https://projectacrn.github.io/0.8/. Documentation for the latest
|
||||
|
||||
ACRN v0.8 requires Clear Linux OS version 28600.
|
||||
|
||||
Version 0.8 new features
|
||||
Version 0.8 New Features
|
||||
************************
|
||||
|
||||
GPIO virtualization
|
||||
GPIO Virtualization
|
||||
=========================
|
||||
|
||||
GPIO virtualization is supported as para-virtualization based on the
|
||||
@ -45,19 +45,19 @@ configuration via one virtual GPIO controller. In the Back-end, the GPIO
|
||||
command line in the launch script can be modified to map native GPIO to
|
||||
UOS.
|
||||
|
||||
Enable QoS based on runC container
|
||||
Enable QoS Based on runC Container
|
||||
==================================
|
||||
ACRN supports Device-Model QoS based on runC container to control the SOS
|
||||
resources (CPU, Storage, MEM, NET) by modifying the runC configuration file.
|
||||
|
||||
S5 support for RTVM
|
||||
S5 Support for RTVM
|
||||
===============================
|
||||
ACRN supports a Real-time VM (RTVM) shutting itself down. A RTVM is a
|
||||
kind of VM that the SOS can't interfere at runtime, and as such, can
|
||||
only power itself off internally. All poweroff requests external to the
|
||||
RTVM will be rejected to avoid any interference.
|
||||
|
||||
Document updates
|
||||
Document Updates
|
||||
================
|
||||
Several new documents have been added in this release, including:
|
||||
|
||||
@ -114,7 +114,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Unplug and plug-in the unrecognized device after booting.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`1991` - Input not accepted in UART Console for corner case
|
||||
Input is useless in UART Console for a corner case, demonstrated with these steps:
|
||||
@ -129,7 +128,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Enter other keys before typing :kbd:`Enter`.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2267` - [APLUP2][LaaG] LaaG can't detect 4k monitor
|
||||
After launching UOS on APL UP2 , 4k monitor cannot be detected.
|
||||
@ -138,7 +136,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Use a monitor with less than 4k resolution.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2278` - [KBLNUC] Cx/Px is not supported on KBLNUC
|
||||
C states and P states are not supported on KBL NUC.
|
||||
@ -148,7 +145,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2279` - [APLNUC] After exiting UOS, SOS can't use USB keyboard and mouse
|
||||
After exiting UOS with mediator
|
||||
@ -169,7 +165,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Unplug and plug-in the USB keyboard and mouse after exiting UOS.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2527` - System will crash after a few minutes running stress test ``crashme`` tool in SOS/UOS.
|
||||
System stress test may cause a system crash.
|
||||
@ -178,7 +173,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2526` - Hypervisor crash when booting UOS with acrnlog running with mem loglevel=6
|
||||
If we use ``loglevel 3 6`` to change the mem loglevel to 6, we may hit a page fault in HV.
|
||||
@ -187,7 +181,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2753` - UOS cannot resume after suspend by pressing power key
|
||||
UOS cannot resume after suspend by pressing power key
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_1.0.1:
|
||||
|
||||
ACRN v1.0.1 (July 2019)
|
||||
ACRN V1.0.1 (July 2019)
|
||||
#######################
|
||||
|
||||
We are pleased to announce the release of ACRN version 1.0.1. This is a
|
||||
@ -27,7 +27,7 @@ There were no documentation changes in this update, so you can still
|
||||
refer to the v1.0-specific documentation found at
|
||||
https://projectacrn.github.io/1.0/.
|
||||
|
||||
Change Log in version 1.0.1 since version 1.0
|
||||
Change Log in Version 1.0.1 Since Version 1.0
|
||||
*********************************************
|
||||
|
||||
Primary changes are to fix several security and stability issues found
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_1.0.2:
|
||||
|
||||
ACRN v1.0.2 (Nov 2019)
|
||||
ACRN V1.0.2 (Nov 2019)
|
||||
######################
|
||||
|
||||
We are pleased to announce the release of ACRN version 1.0.2. This is a
|
||||
@ -27,7 +27,7 @@ There were no documentation changes in this update, so you can still
|
||||
refer to the v1.0-specific documentation found at
|
||||
https://projectacrn.github.io/1.0/.
|
||||
|
||||
Change Log in v1.0.2 since v1.0.1
|
||||
Change Log in V1.0.2 Since V1.0.1
|
||||
*********************************
|
||||
|
||||
Primary changes are to fix several security and stability issues found
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_1.0:
|
||||
|
||||
ACRN v1.0 (May 2019)
|
||||
ACRN V1.0 (May 2019)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of ACRN version 1.0, a key
|
||||
@ -33,7 +33,7 @@ with a specific release: generated v1.0 documents can be found at https://projec
|
||||
Documentation for the latest (master) branch is found at https://projectacrn.github.io/latest/.
|
||||
ACRN v1.0 requires Clear Linux* OS version 29070.
|
||||
|
||||
Version 1.0 major features
|
||||
Version 1.0 Major Features
|
||||
**************************
|
||||
|
||||
Hardware Support
|
||||
@ -42,7 +42,7 @@ ACRN supports multiple x86 platforms and has been tested with Apollo
|
||||
Lake and Kaby Lake NUCs, and the UP Squared board.
|
||||
(See :ref:`hardware` for supported platform details.)
|
||||
|
||||
APL UP2 board with SBL firmware
|
||||
APL UP2 Board With SBL Firmware
|
||||
===============================
|
||||
ACRN supports APL UP2 board with Slim Bootloader (SBL) firmware.
|
||||
Slim Bootloader is a modern, flexible, light-weight,
|
||||
@ -51,13 +51,13 @@ customizable, and secure. An end-to-end reference build has been verified
|
||||
on UP2/SBL board using ACRN hypervisor, Clear Linux OS as SOS, and Clear
|
||||
Linux OS as UOS.
|
||||
|
||||
Enable post-launched RTVM support for real-time UOS in ACRN
|
||||
Enable Post-Launched RTVM Support for Real-Time UOS in ACRN
|
||||
===========================================================
|
||||
This release provides initial patches enabling a User OS (UOS) running as a
|
||||
virtual machine (VM) with real-time characteristics,
|
||||
also called a "post-launched RTVM". More patches for ACRN real time support will continue.
|
||||
|
||||
Enable cache QOS with CAT
|
||||
Enable Cache QOS With CAT
|
||||
=========================
|
||||
Cache Allocation Technology (CAT) is available on Apollo Lake (APL) platforms,
|
||||
providing cache isolation between VMs mainly for real-time performance quality
|
||||
@ -66,27 +66,27 @@ the VM configuration determined at build time. For debugging and performance
|
||||
tuning, the CAT can also be enabled and configured at runtime by writing proper
|
||||
values to certain MSRs using the ``wrmsr`` command on ACRN shell.
|
||||
|
||||
Enable QoS based on runC container
|
||||
Enable QoS Based on runC Container
|
||||
==================================
|
||||
ACRN supports Device-Model QoS based on runC container to control
|
||||
the SOS resources (CPU, Storage, MEM, NET) by modifying the runC configuration file,
|
||||
configuration guide will be published in next release.
|
||||
|
||||
S5 support for RTVM
|
||||
S5 Support for RTVM
|
||||
===================
|
||||
ACRN supports a Real-time VM (RTVM) shutting itself down. A RTVM is a kind
|
||||
of VM that the SOS can't interfere with at runtime, and as such, only the
|
||||
RTVM can power itself off internally. All power-off requests external to the
|
||||
RTVM will be rejected to avoid any interference.
|
||||
|
||||
OVMF support initial patches merged in ACRN
|
||||
OVMF Support Initial Patches Merged in ACRN
|
||||
===========================================
|
||||
To support booting Windows as a Guest OS, we are using
|
||||
Open source Virtual Machine Firmware (OVMF). Initial
|
||||
patches to support OVMF have been merged in ACRN hypervisor. More patches for
|
||||
ACRN and patches upstreaming to OVMF work will be continuing.
|
||||
|
||||
Support ACPI power key mediator
|
||||
Support ACPI Power Key Mediator
|
||||
===============================
|
||||
ACRN supports ACPI power/sleep key on the APL and KBL NUC platforms, triggering
|
||||
S3/S5 flow, following the ACPI spec.
|
||||
@ -135,7 +135,7 @@ a Guest VM (UOS), enables control of the Wi-Fi as an in-vehicle hotspot for thir
|
||||
devices, provides third-party device applications access to the vehicle, and
|
||||
provides access of third-party devices to the TCU (if applicable) provided connectivity.
|
||||
|
||||
IPU (MIPI CSI-2, HDMI-in)
|
||||
IPU (MIPI CSI-2, HDMI-In)
|
||||
=========================
|
||||
ACRN hypervisor provide an IPU mediator to share with Guest OS. Alternatively, IPU
|
||||
can also be configured as pass-through to Guest OS without sharing.
|
||||
@ -161,7 +161,7 @@ to ensure performance of the most critical workload can be achieved. Three
|
||||
different schedulers for the GPU are involved: i915 UOS scheduler, Mediator
|
||||
GVT scheduler, and i915 SOS scheduler.
|
||||
|
||||
GPU - display surface sharing via Hyper DMA
|
||||
GPU - Display Surface Sharing via Hyper DMA
|
||||
===========================================
|
||||
Surface sharing is one typical automotive use case which requires that the
|
||||
SOS accesses an individual surface or a set of surfaces from the UOS without
|
||||
@ -169,7 +169,7 @@ having to access the entire frame buffer of the UOS. It leverages hyper_DMABUF,
|
||||
a Linux kernel driver running on multiple VMs and expands DMA-BUFFER sharing
|
||||
capability to inter-VM.
|
||||
|
||||
Virtio standard is supported
|
||||
Virtio Standard Is Supported
|
||||
============================
|
||||
Virtio framework is widely used in ACRN, allowing devices beyond network and
|
||||
storage to be shared to UOS in a standard way. Many mediators in ACRN follow
|
||||
@ -179,11 +179,11 @@ the guest's device driver "knows" it is running in a virtual environment, and
|
||||
cooperates with the hypervisor. The SOS and UOS can share physical LAN network
|
||||
and physical eMMC storage device. (See :ref:`virtio-hld` for more information.)
|
||||
|
||||
Device pass-through support
|
||||
Device Pass-Through Support
|
||||
===========================
|
||||
Device pass-through to UOS supported with help of VT-d.
|
||||
|
||||
GPIO virtualization
|
||||
GPIO Virtualization
|
||||
===================
|
||||
GPIO virtualization is supported as para-virtualization based on the Virtual
|
||||
I/O Device (VIRTIO) specification. The GPIO consumers of the Front-end are able
|
||||
@ -191,12 +191,12 @@ to set or get GPIO values, directions, and configuration via one virtual GPIO
|
||||
controller. In the Back-end, the GPIO command line in the launch script can be
|
||||
modified to map native GPIO to UOS. (See :ref:`virtio-hld` for more information.)
|
||||
|
||||
New ACRN tools
|
||||
New ACRN Tools
|
||||
==============
|
||||
We've added a collection of support tools including ``acrnctl``, ``acrntrace``, ``acrnlog``,
|
||||
``acrn-crashlog``, ``acrnprobe``. (See the `Tools` section under **User Guides** for details.)
|
||||
|
||||
Document updates
|
||||
Document Updates
|
||||
================
|
||||
We have many reference documents `available
|
||||
<https://projectacrn.github.io>`_, including:
|
||||
@ -390,7 +390,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Unplug and plug-in the unrecognized device after booting.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`1991` - Input not accepted in UART Console for corner case
|
||||
Input is useless in UART Console for a corner case, demonstrated with these steps:
|
||||
@ -405,7 +404,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Enter other keys before typing :kbd:`Enter`.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2267` - [APLUP2][LaaG] LaaG can't detect 4k monitor
|
||||
After launching UOS on APL UP2 , 4k monitor cannot be detected.
|
||||
@ -414,7 +412,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Use a monitor with less than 4k resolution.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2278` - [KBLNUC] Cx/Px is not supported on KBLNUC
|
||||
C states and P states are not supported on KBL NUC.
|
||||
@ -424,7 +421,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2279` - [APLNUC] After exiting UOS, SOS can't use USB keyboard and mouse
|
||||
After exiting UOS with mediator
|
||||
@ -445,7 +441,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Unplug and plug-in the USB keyboard and mouse after exiting UOS.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2527` - System will crash after a few minutes running stress test ``crashme`` tool in SOS/UOS.
|
||||
System stress test may cause a system crash.
|
||||
@ -454,7 +449,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2526` - Hypervisor crash when booting UOS with acrnlog running with mem loglevel=6
|
||||
If we use ``loglevel 3 6`` to change the mem loglevel to 6, we may hit a page fault in HV.
|
||||
@ -463,7 +457,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2753` - UOS cannot resume after suspend by pressing power key
|
||||
UOS cannot resume after suspend by pressing power key
|
||||
@ -472,7 +465,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2974` - Launching Zephyr RTOS as a real-time UOS takes too long
|
||||
Launching Zephyr RTOS as a real-time UOS takes too long
|
||||
@ -488,7 +480,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None
|
||||
|
||||
-----
|
||||
|
||||
Change Log
|
||||
**********
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_1.1:
|
||||
|
||||
ACRN v1.1 (Jun 2019)
|
||||
ACRN V1.1 (Jun 2019)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of ACRN version 1.1.
|
||||
@ -24,7 +24,7 @@ with a specific release: generated v1.1 documents can be found at https://projec
|
||||
Documentation for the latest (master) branch is found at https://projectacrn.github.io/latest/.
|
||||
ACRN v1.1 requires Clear Linux* OS version 29970.
|
||||
|
||||
Version 1.1 major features
|
||||
Version 1.1 Major Features
|
||||
**************************
|
||||
|
||||
Hybrid Mode Introduced
|
||||
@ -33,14 +33,14 @@ In hybrid mode, a Zephyr OS is launched by the hypervisor even before the Servic
|
||||
launched (pre-launched), with dedicated resources to achieve highest level of isolation.
|
||||
This is designed to meet the needs of a FuSa certifiable safety OS.
|
||||
|
||||
Support for new guest Operating Systems
|
||||
Support for New Guest Operating Systems
|
||||
=======================================
|
||||
* The `Zephyr RTOS <https://zephyrproject.org>`_ can be a pre-launched Safety OS in hybrid mode.
|
||||
It can also be a post-launched (launched by Service OS, not the hypervisor) as a guest OS.
|
||||
* VxWorks as a post-launched RTOS for industrial usages.
|
||||
* Windows as a post-launched OS
|
||||
|
||||
Document updates
|
||||
Document Updates
|
||||
================
|
||||
We have many `reference documents available <https://projectacrn.github.io>`_, including:
|
||||
|
||||
@ -132,7 +132,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Unplug and plug-in the unrecognized device after booting.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`1991` - Input not accepted in UART Console for corner case
|
||||
Input is useless in UART Console for a corner case, demonstrated with these steps:
|
||||
@ -147,7 +146,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Enter other keys before typing :kbd:`Enter`.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2267` - [APLUP2][LaaG] LaaG can't detect 4k monitor
|
||||
After launching UOS on APL UP2 , 4k monitor cannot be detected.
|
||||
@ -156,7 +154,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Use a monitor with less than 4k resolution.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2279` - [APLNUC] After exiting UOS, SOS can't use USB keyboard and mouse
|
||||
After exiting UOS with mediator Usb_KeyBoard and Mouse, SOS cannot use the USB keyboard and mouse.
|
||||
@ -176,7 +173,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Unplug and plug-in the USB keyboard and mouse after exiting UOS.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2753` - UOS cannot resume after suspend by pressing power key
|
||||
UOS cannot resume after suspend by pressing power key
|
||||
@ -185,7 +181,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`2974` - Launching Zephyr RTOS as a real-time UOS takes too long
|
||||
Launching Zephyr RTOS as a real-time UOS takes too long
|
||||
@ -204,7 +199,6 @@ Known Issues
|
||||
|
||||
**Workaround:** A different version of Grub is known to work correctly
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`3268` - dm: add virtio-rnd device to command line
|
||||
LaaG's network is unreachable with UOS kernel
|
||||
@ -222,7 +216,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Add ``-s 7,virtio-rnd \`` to the launch_uos.sh script
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`3280` - AcrnGT holding forcewake lock causes high CPU usage in gvt workload thread.
|
||||
The i915 forcewake mechanism is to keep the GPU from its low power state, in
|
||||
@ -233,7 +226,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`3279` - AcrnGT causes display flicker in some situations.
|
||||
In current scaler ownership assignment logic, there's an issue that when SOS disables a plane,
|
||||
@ -244,7 +236,6 @@ Known Issues
|
||||
|
||||
**Workaround:** None
|
||||
|
||||
-----
|
||||
|
||||
Change Log
|
||||
**********
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_1.2:
|
||||
|
||||
ACRN v1.2 (Aug 2019)
|
||||
ACRN V1.2 (Aug 2019)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of ACRN version 1.2.
|
||||
@ -24,10 +24,10 @@ with a specific release: generated v1.2 documents can be found at https://projec
|
||||
Documentation for the latest (master) branch is found at https://projectacrn.github.io/latest/.
|
||||
ACRN v1.2 requires Clear Linux* OS version 30690.
|
||||
|
||||
Version 1.2 major features
|
||||
Version 1.2 Major Features
|
||||
**************************
|
||||
|
||||
What's New in v1.2
|
||||
What's New in V1.2
|
||||
==================
|
||||
* Support OVMF as virtual boot loader for Service VM to launch Clearlinux, VxWorks
|
||||
or Windows, Secure boot is supported
|
||||
@ -36,7 +36,7 @@ What's New in v1.2
|
||||
* Virtualization supports Always Running Timer (ART)
|
||||
* Various bug fixes and enhancements
|
||||
|
||||
Document updates
|
||||
Document Updates
|
||||
================
|
||||
We have many `reference documents available <https://projectacrn.github.io>`_, including:
|
||||
|
||||
@ -105,7 +105,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Issue resolved on ACRN tag: ``acrn-2019w33.1-140000p``
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`3520` - bundle of "VGPU unconformance guest" messages observed for "gvt" in SOS console while using UOS
|
||||
After the need_force_wake is not removed in course of submitting VGPU workload,
|
||||
@ -118,7 +117,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Need to rebuild and apply the latest Service VM kernel from the ``acrn-kernel`` source code.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`3533` - NUC hang while repeating the cold boot
|
||||
NUC will hang while repeating cold boot operation.
|
||||
@ -134,7 +132,6 @@ Known Issues
|
||||
|
||||
**Workaround:** Need to rebuild and apply the latest Service VM kernel from the ``acrn-kernel`` source code.
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`3576` - Expand default memory from 2G to 4G for WaaG
|
||||
|
||||
@ -142,25 +139,21 @@ Known Issues
|
||||
|
||||
**Workaround:** Issue resolved on ACRN tag: ``acrn-2019w33.1-140000p``
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`3609` - Sometimes fail to boot os while repeating the cold boot operation
|
||||
|
||||
**Workaround:** Please refer the PR information in this git issue
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`3610` - LaaG hang while run some workloads loop with zephyr idle
|
||||
|
||||
**Workaround:** Revert commit ``bbb891728d82834ec450f6a61792f715f4ec3013`` from the kernel
|
||||
|
||||
-----
|
||||
|
||||
:acrn-issue:`3611` - OVMF launch UOS fail for Hybrid and industry scenario
|
||||
|
||||
**Workaround:** Please refer the PR information in this git issue
|
||||
|
||||
-----
|
||||
|
||||
|
||||
Change Log
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_1.3:
|
||||
|
||||
ACRN v1.3 (Sep 2019)
|
||||
ACRN V1.3 (Sep 2019)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of ACRN version 1.3.
|
||||
@ -24,10 +24,10 @@ with a specific release: generated v1.3 documents can be found at https://projec
|
||||
Documentation for the latest (master) branch is found at https://projectacrn.github.io/latest/.
|
||||
ACRN v1.3 requires Clear Linux* OS version 31080.
|
||||
|
||||
Version 1.3 major features
|
||||
Version 1.3 Major Features
|
||||
**************************
|
||||
|
||||
What's New in v1.3
|
||||
What's New in V1.3
|
||||
==================
|
||||
* OVMF supports Graphics Output Protocol (GOP), allowing Windows logo at guest
|
||||
VM boot time.
|
||||
@ -38,7 +38,7 @@ What's New in v1.3
|
||||
* Ethernet mediator now supports prioritization per VM.
|
||||
* Features for real-time determinism, e.g. Cache Allocation Technology (CAT, only supported on Apollo Lake).
|
||||
|
||||
Document updates
|
||||
Document Updates
|
||||
================
|
||||
We have many new `reference documents available <https://projectacrn.github.io>`_, including:
|
||||
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_1.4:
|
||||
|
||||
ACRN v1.4 (Oct 2019)
|
||||
ACRN V1.4 (Oct 2019)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of ACRN version 1.4.
|
||||
@ -24,17 +24,17 @@ with a specific release: generated v1.4 documents can be found at https://projec
|
||||
Documentation for the latest (master) branch is found at https://projectacrn.github.io/latest/.
|
||||
ACRN v1.4 requires Clear Linux* OS version 31670.
|
||||
|
||||
Version 1.4 major features
|
||||
Version 1.4 Major Features
|
||||
**************************
|
||||
|
||||
What's New in v1.4
|
||||
What's New in V1.4
|
||||
==================
|
||||
* ACRN now conforms to the Microsoft* Hypervisor Top-Level Functional Specification (TLFS).
|
||||
* ACRN scheduler framework re-architected capabilities have been added.
|
||||
* WaaG (Windows as a guest) stability and performance has been improved.
|
||||
* Realtime performance of the RTVM (preempt-RT kernel-based) has been improved.
|
||||
|
||||
Document updates
|
||||
Document Updates
|
||||
================
|
||||
Many new `reference documents <https://projectacrn.github.io>`_ are available, including:
|
||||
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_1.5:
|
||||
|
||||
ACRN v1.5 (Jan 2020)
|
||||
ACRN V1.5 (Jan 2020)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of ACRN version 1.5.
|
||||
@ -24,17 +24,17 @@ with a specific release: generated v1.5 documents can be found at https://projec
|
||||
Documentation for the latest (master) branch is found at https://projectacrn.github.io/latest/.
|
||||
ACRN v1.5 requires Clear Linux* OS version 32030.
|
||||
|
||||
Version 1.5 major features
|
||||
Version 1.5 Major Features
|
||||
**************************
|
||||
|
||||
What's New in v1.5
|
||||
What's New in V1.5
|
||||
==================
|
||||
* Basic CPU sharing: Fairness Round-Robin CPU Scheduling has been added to support basic CPU sharing (the Service VM and WaaG share one CPU core).
|
||||
* 8th Gen Intel® Core™ Processors (code name Whiskey Lake) are now supported and validated.
|
||||
* Overall stability and performance has been improved.
|
||||
* An offline configuration tool has been created to help developers port ACRN to different hardware boards.
|
||||
|
||||
Document updates
|
||||
Document Updates
|
||||
================
|
||||
Many new `reference documents <https://projectacrn.github.io>`_ are available, including:
|
||||
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_1.6.1:
|
||||
|
||||
ACRN v1.6.1 (May 2020)
|
||||
ACRN V1.6.1 (May 2020)
|
||||
######################
|
||||
|
||||
We are pleased to announce the release of ACRN version 1.6.1.
|
||||
@ -25,10 +25,10 @@ https://projectacrn.github.io/1.6.1/.
|
||||
Documentation for the latest (master) branch is found at https://projectacrn.github.io/latest/.
|
||||
ACRN v1.6.1 requires Clear Linux OS version 33050.
|
||||
|
||||
Version 1.6.1 major features
|
||||
Version 1.6.1 Major Features
|
||||
****************************
|
||||
|
||||
What's New in v1.6.1
|
||||
What's New in V1.6.1
|
||||
====================
|
||||
* ACRN ensures libvirt supports VM orchestration based on OpenStack
|
||||
|
||||
@ -49,7 +49,7 @@ What's New in v1.6.1
|
||||
|
||||
* Supported VT-d Posted Interrupts
|
||||
|
||||
Document updates
|
||||
Document Updates
|
||||
================
|
||||
Many new and updated `reference documents <https://projectacrn.github.io>`_ are available, including:
|
||||
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_1.6:
|
||||
|
||||
ACRN v1.6 (Mar 2020)
|
||||
ACRN V1.6 (Mar 2020)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of ACRN version 1.6.
|
||||
@ -24,10 +24,10 @@ with a specific release: generated v1.6 documents can be found at https://projec
|
||||
Documentation for the latest (master) branch is found at https://projectacrn.github.io/latest/.
|
||||
ACRN v1.6 requires Clear Linux OS version 32680.
|
||||
|
||||
Version 1.6 major features
|
||||
Version 1.6 Major Features
|
||||
**************************
|
||||
|
||||
What's New in v1.6
|
||||
What's New in V1.6
|
||||
==================
|
||||
* Graphics passthrough support
|
||||
|
||||
@ -51,7 +51,7 @@ What's New in v1.6
|
||||
|
||||
* PCI bridge emulation in hypervisor
|
||||
|
||||
Document updates
|
||||
Document Updates
|
||||
================
|
||||
Many new and updated `reference documents <https://projectacrn.github.io>`_ are available, including:
|
||||
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_2.0:
|
||||
|
||||
ACRN v2.0 (Jun 2020)
|
||||
ACRN V2.0 (Jun 2020)
|
||||
####################
|
||||
|
||||
We are pleased to announce the second major release of the Project ACRN
|
||||
@ -55,7 +55,7 @@ started with ACRN.
|
||||
|
||||
We recommend that all developers upgrade to ACRN release v2.0.
|
||||
|
||||
Version 2.0 Key Features (comparing with v1.0)
|
||||
Version 2.0 Key Features (Comparing With V1.0)
|
||||
**********************************************
|
||||
|
||||
.. contents::
|
||||
@ -101,7 +101,7 @@ New Hardware Platform Support
|
||||
This release adds support for 8th Gen Intel® Core™ Processors (code
|
||||
name: Whiskey Lake). (See :ref:`hardware` for platform details.)
|
||||
|
||||
Pre-launched Safety VM Support
|
||||
Pre-Launched Safety VM Support
|
||||
==============================
|
||||
|
||||
ACRN supports a pre-launched partitioned safety VM, isolated from the
|
||||
@ -111,21 +111,21 @@ For example, in the hybrid mode, a real-time Zephyr RTOS VM can be
|
||||
and with its own dedicated resources to achieve a high level of
|
||||
isolation. This is designed to meet the needs of a Functional Safety OS.
|
||||
|
||||
Post-launched VM support via OVMF
|
||||
Post-Launched VM Support via OVMF
|
||||
=================================
|
||||
|
||||
ACRN supports Open Virtual Machine Firmware (OVMF) as a virtual boot
|
||||
loader for the Service VM to launch post-launched VMs such as Windows,
|
||||
Linux, VxWorks, or Zephyr RTOS. Secure boot is also supported.
|
||||
|
||||
Post-launched real-time VM Support
|
||||
Post-Launched Real-Time VM Support
|
||||
==================================
|
||||
|
||||
ACRN supports a post-launched RTVM, which also uses partitioned hardware
|
||||
resources to ensure adequate real-time performance, as required for
|
||||
industrial use cases.
|
||||
|
||||
Real-time VM Performance Optimizations
|
||||
Real-Time VM Performance Optimizations
|
||||
======================================
|
||||
|
||||
ACRN 2.0 improves RTVM performance with these optimizations:
|
||||
@ -161,7 +161,7 @@ scheduler in the hypervisor to make sure the physical CPU can be shared
|
||||
between VMs and support for yielding an idle vCPU when it's running a
|
||||
'HLT' or 'PAUSE' instruction.
|
||||
|
||||
Large selection of OSs for User VMs
|
||||
Large Selection of OSs for User VMs
|
||||
===================================
|
||||
|
||||
ACRN now supports Windows* 10, Android*, Ubuntu*, Xenomai, VxWorks*,
|
||||
@ -170,7 +170,7 @@ to the Microsoft* Hypervisor Top-Level Functional Specification (TLFS).
|
||||
ACRN 2.0 also improves overall Windows as a Guest (WaaG) stability and
|
||||
performance.
|
||||
|
||||
GRUB bootloader
|
||||
GRUB Bootloader
|
||||
===============
|
||||
|
||||
The ACRN hypervisor can boot from the popular GRUB bootloader using
|
||||
@ -189,14 +189,14 @@ In this example, the ACRN Service VM supports a SR-IOV ethernet device
|
||||
through the Physical Function (PF) driver, and ensures that the SR-IOV
|
||||
Virtual Function (VF) device can passthrough to a post-launched VM.
|
||||
|
||||
Graphics passthrough support
|
||||
Graphics Passthrough Support
|
||||
============================
|
||||
|
||||
ACRN supports GPU passthrough to dedicated User VM based on Intel GVT-d
|
||||
technology used to virtualize the GPU for multiple guest VMs,
|
||||
effectively providing near-native graphics performance in the VM.
|
||||
|
||||
Shared memory based Inter-VM communication
|
||||
Shared Memory Based Inter-Vm Communication
|
||||
==========================================
|
||||
|
||||
ACRN supports Inter-VM communication based on shared memory for
|
||||
@ -213,7 +213,7 @@ Kata Containers Support
|
||||
|
||||
ACRN can launch a Kata container, a secure container runtime, as a User VM.
|
||||
|
||||
VM orchestration
|
||||
VM Orchestration
|
||||
================
|
||||
|
||||
Libvirt is an open-source API, daemon, and management tool as a layer to
|
||||
@ -221,7 +221,7 @@ decouple orchestrators and hypervisors. By adding a "ACRN driver", ACRN
|
||||
supports libvirt-based tools and orchestrators to configure a User VM's CPU
|
||||
configuration during VM creation.
|
||||
|
||||
Document updates
|
||||
Document Updates
|
||||
================
|
||||
Many new and updated `reference documents <https://projectacrn.github.io>`_ are available, including:
|
||||
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_2.1:
|
||||
|
||||
ACRN v2.1 (Aug 2020)
|
||||
ACRN V2.1 (Aug 2020)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of the Project ACRN
|
||||
@ -33,7 +33,7 @@ ACRN v2.1 requires Ubuntu 18.04. Follow the instructions in the
|
||||
|
||||
We recommend that all developers upgrade to ACRN release v2.1.
|
||||
|
||||
What's new in v2.1
|
||||
What's New in V2.1
|
||||
******************
|
||||
|
||||
* Preempt-RT Linux has been validated as a pre-launched realtime VM. See
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_2.2:
|
||||
|
||||
ACRN v2.2 (Sep 2020)
|
||||
ACRN V2.2 (Sep 2020)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of the Project ACRN
|
||||
@ -32,7 +32,7 @@ ACRN v2.2 requires Ubuntu 18.04. Follow the instructions in the
|
||||
:ref:`rt_industry_ubuntu_setup` to get started with ACRN.
|
||||
|
||||
|
||||
What's New in v2.2
|
||||
What's New in V2.2
|
||||
******************
|
||||
|
||||
Elkhart Lake and Tiger Lake processor support.
|
||||
@ -73,7 +73,7 @@ Staged removal of deprivileged boot mode support.
|
||||
Clear Linux though, so we have chosen Ubuntu (and Yocto Project) as the
|
||||
preferred Service VM OSs moving forward.
|
||||
|
||||
Document updates
|
||||
Document Updates
|
||||
****************
|
||||
|
||||
New and updated reference documents are available, including:
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _release_notes_2.3:
|
||||
|
||||
ACRN v2.3 (Dec 2020)
|
||||
ACRN V2.3 (Dec 2020)
|
||||
####################
|
||||
|
||||
We are pleased to announce the release of the Project ACRN
|
||||
@ -32,7 +32,7 @@ ACRN v2.3 requires Ubuntu 18.04. Follow the instructions in the
|
||||
:ref:`rt_industry_ubuntu_setup` to get started with ACRN.
|
||||
|
||||
|
||||
What's New in v2.3
|
||||
What's New in V2.3
|
||||
******************
|
||||
|
||||
Enhanced GPU passthrough (GVT-d)
|
||||
@ -65,7 +65,7 @@ Removed deprivileged boot mode support
|
||||
Clear Linux so we have chosen Ubuntu (and Yocto Project) as the
|
||||
preferred Service VM OSs moving forward.
|
||||
|
||||
Document updates
|
||||
Document Updates
|
||||
****************
|
||||
|
||||
New and updated reference documents are available, including:
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _how-to-enable-acrn-secure-boot-with-grub:
|
||||
|
||||
Enable ACRN Secure Boot with GRUB
|
||||
Enable ACRN Secure Boot With GRUB
|
||||
#################################
|
||||
|
||||
This document shows how to enable ACRN secure boot with GRUB including:
|
||||
@ -243,14 +243,14 @@ Creating UEFI Secure Boot Key
|
||||
The keys to be enrolled in UEFI firmware: :file:`PK.der`, :file:`KEK.der`, :file:`db.der`.
|
||||
The keys to sign bootloader image: :file:`grubx64.efi`, :file:`db.key` , :file:`db.crt`.
|
||||
|
||||
Sign GRUB Image With ``db`` Key
|
||||
================================
|
||||
Sign GRUB Image With Db Key
|
||||
===========================
|
||||
|
||||
sbsign --key db.key --cert db.crt path/to/grubx64.efi
|
||||
|
||||
:file:`grubx64.efi.signed` will be created, it will be your bootloader.
|
||||
|
||||
Enroll UEFI Keys To UEFI Firmware
|
||||
Enroll UEFI Keys to UEFI Firmware
|
||||
=================================
|
||||
|
||||
Enroll ``PK`` (:file:`PK.der`), ``KEK`` (:file:`KEK.der`) and ``db``
|
||||
|
||||
@ -15,7 +15,7 @@ Introduction
|
||||
ACRN includes three types of configurations: Hypervisor, Board, and VM. Each
|
||||
is discussed in the following sections.
|
||||
|
||||
Hypervisor configuration
|
||||
Hypervisor Configuration
|
||||
========================
|
||||
|
||||
The hypervisor configuration defines a working scenario and target
|
||||
@ -29,7 +29,7 @@ A board-specific ``defconfig`` file, for example
|
||||
``misc/vm_configs/scenarios/$(SCENARIO)/$(BOARD)/$(BOARD).config``
|
||||
is loaded first; it is the default ``Kconfig`` for the specified board.
|
||||
|
||||
Board configuration
|
||||
Board Configuration
|
||||
===================
|
||||
|
||||
The board configuration stores board-specific settings referenced by the
|
||||
@ -40,7 +40,7 @@ and BDF information. The reference board configuration is organized as
|
||||
``*.c/*.h`` files located in the
|
||||
``misc/vm_configs/boards/$(BOARD)/`` folder.
|
||||
|
||||
VM configuration
|
||||
VM Configuration
|
||||
=================
|
||||
|
||||
VM configuration includes **scenario-based** VM configuration
|
||||
@ -58,7 +58,7 @@ The board-specific configurations on this scenario are stored in the
|
||||
User VM launch script samples are located in the
|
||||
``misc/vm_configs/sample_launch_scripts/`` folder.
|
||||
|
||||
ACRN configuration XMLs
|
||||
ACRN Configuration XMLs
|
||||
***********************
|
||||
|
||||
The ACRN configuration includes three kinds of XML files for acrn-config
|
||||
@ -75,7 +75,7 @@ configurations by importing customized XMLs or by saving the
|
||||
configurations by exporting XMLs.
|
||||
|
||||
|
||||
Board XML format
|
||||
Board XML Format
|
||||
================
|
||||
|
||||
The board XMLs are located in the
|
||||
@ -89,7 +89,7 @@ The board XML has an ``acrn-config`` root element and a ``board`` attribute:
|
||||
As an input for the ``acrn-config`` tool, end users do not need to care
|
||||
about the format of board XML and should not modify it.
|
||||
|
||||
Scenario XML format
|
||||
Scenario XML Format
|
||||
===================
|
||||
The scenario XMLs are located in the
|
||||
``misc/vm_configs/xmls/config-xmls/`` folder. The
|
||||
@ -103,7 +103,7 @@ and ``scenario`` attributes:
|
||||
See :ref:`scenario-config-options` for a full explanation of available scenario XML elements.
|
||||
|
||||
|
||||
Launch XML format
|
||||
Launch XML Format
|
||||
=================
|
||||
The launch XMLs are located in the
|
||||
``misc/vm_configs/xmls/config-xmls/`` folder.
|
||||
@ -188,10 +188,10 @@ current scenario has:
|
||||
interface. When ``configurable="0"``, the item does not appear on the
|
||||
interface.
|
||||
|
||||
Configuration tool workflow
|
||||
Configuration Tool Workflow
|
||||
***************************
|
||||
|
||||
Hypervisor configuration workflow
|
||||
Hypervisor Configuration Workflow
|
||||
==================================
|
||||
|
||||
The hypervisor configuration is based on the ``Kconfig``
|
||||
@ -219,7 +219,7 @@ configuration steps.
|
||||
|
||||
.. _vm_config_workflow:
|
||||
|
||||
Board and VM configuration workflow
|
||||
Board and VM Configuration Workflow
|
||||
===================================
|
||||
|
||||
Python offline tools are provided to configure Board and VM configurations.
|
||||
@ -300,7 +300,7 @@ Here is the offline configuration tool workflow:
|
||||
|
||||
.. _acrn_config_tool_ui:
|
||||
|
||||
Use the ACRN configuration app
|
||||
Use the ACRN Configuration App
|
||||
******************************
|
||||
|
||||
The ACRN configuration app is a web user interface application that performs the following:
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _acrn_on_qemu:
|
||||
|
||||
Enable ACRN over QEMU/KVM
|
||||
Enable ACRN Over QEMU/KVM
|
||||
#########################
|
||||
|
||||
Goal of this document is to bring-up ACRN as a nested Hypervisor on top of QEMU/KVM
|
||||
@ -195,7 +195,7 @@ Install ACRN Hypervisor
|
||||
$ virsh destroy ACRNSOS # where ACRNSOS is the virsh domain name.
|
||||
|
||||
|
||||
Service VM Networking updates for User VM
|
||||
Service VM Networking Updates for User VM
|
||||
*****************************************
|
||||
Follow these steps to enable networking for the User VM (L2 guest):
|
||||
|
||||
@ -232,7 +232,7 @@ Follow these steps to enable networking for the User VM (L2 guest):
|
||||
4. Restart ACRNSOS guest (L1 guest) to complete the setup and start with bring-up of User VM
|
||||
|
||||
|
||||
Bring-up User VM (L2 Guest)
|
||||
Bring-Up User VM (L2 Guest)
|
||||
***************************
|
||||
1. Build the device-model, using ``make devicemodel`` and copy acrn-dm to ACRNSOS guest (L1 guest) directory ``/usr/bin/acrn-dm``
|
||||
|
||||
|
||||
@ -37,7 +37,7 @@ Scheduling initialization is invoked in the hardware management layer.
|
||||
.. figure:: images/cpu_sharing_api.png
|
||||
:align: center
|
||||
|
||||
CPU affinity
|
||||
CPU Affinity
|
||||
*************
|
||||
|
||||
Currently, we do not support vCPU migration; the assignment of vCPU mapping to
|
||||
@ -64,7 +64,7 @@ Here is an example for affinity:
|
||||
.. figure:: images/cpu_sharing_affinity.png
|
||||
:align: center
|
||||
|
||||
Thread object state
|
||||
Thread Object State
|
||||
*******************
|
||||
|
||||
The thread object contains three states: RUNNING, RUNNABLE, and BLOCKED.
|
||||
@ -128,7 +128,6 @@ and BVT (Borrowed Virtual Time) scheduler.
|
||||
|
||||
Scheduler configuration
|
||||
|
||||
***********************
|
||||
|
||||
* The option in Kconfig decides the only scheduler used in runtime.
|
||||
``hypervisor/arch/x86/Kconfig``
|
||||
@ -159,7 +158,7 @@ The default scheduler is **SCHED_BVT**.
|
||||
|
||||
- With ``cpu_affinity`` option in acrn-dm. This launches the user VM on
|
||||
a subset of the configured cpu_affinity pCPUs.
|
||||
|
||||
|
||||
For example, assign physical CPUs 0 and 1 to this VM::
|
||||
|
||||
--cpu_affinity 0,1
|
||||
|
||||
@ -15,7 +15,7 @@ full list of commands, or see a summary of available commands by using
|
||||
the ``help`` command within the ACRN shell.
|
||||
|
||||
|
||||
An example
|
||||
An Example
|
||||
**********
|
||||
|
||||
As an example, we'll show how to obtain the interrupts of a passthrough USB device.
|
||||
@ -54,7 +54,7 @@ ACRN log provides a console log and a mem log for a user to analyze.
|
||||
We can use console log to debug directly, while mem log is a userland tool
|
||||
used to capture an ACRN hypervisor log.
|
||||
|
||||
Turn on the logging info
|
||||
Turn on the Logging Info
|
||||
========================
|
||||
|
||||
ACRN enables a console log by default.
|
||||
@ -65,7 +65,7 @@ To enable and start the mem log::
|
||||
$ systemctl start acrnlog
|
||||
|
||||
|
||||
Set and grab log
|
||||
Set and Grab Log
|
||||
================
|
||||
|
||||
We have six (1-6) log levels for console log and mem log. The following
|
||||
@ -129,7 +129,7 @@ ACRN trace is a tool running on the Service VM to capture trace
|
||||
data. We can use the existing trace information to analyze, and we can
|
||||
add self-defined tracing to analyze code that we care about.
|
||||
|
||||
Using Existing trace event ID to analyze trace
|
||||
Using Existing Trace Event ID to Analyze Trace
|
||||
==============================================
|
||||
|
||||
As an example, we can use the existing vm_exit trace to analyze the
|
||||
@ -159,7 +159,7 @@ reason and times of each vm_exit after we have done some operations.
|
||||
|
||||
vmexit summary information
|
||||
|
||||
Using Self-defined trace event ID to analyze trace
|
||||
Using Self-Defined Trace Event ID to Analyze Trace
|
||||
==================================================
|
||||
|
||||
For some undefined trace event ID, we can define it by ourselves as
|
||||
|
||||
@ -1,7 +1,7 @@
|
||||
.. _enable_ivshmem:
|
||||
|
||||
Enable Inter-VM Communication Based on ``ivshmem``
|
||||
##################################################
|
||||
Enable Inter-Vm Communication Based on Ivshmem
|
||||
##############################################
|
||||
|
||||
You can use inter-VM communication based on the ``ivshmem`` dm-land
|
||||
solution or hv-land solution, according to the usage scenario needs.
|
||||
@ -9,7 +9,7 @@ solution or hv-land solution, according to the usage scenario needs.
|
||||
While both solutions can be used at the same time, VMs using different
|
||||
solutions cannot communicate with each other.
|
||||
|
||||
ivshmem dm-land usage
|
||||
Ivshmem Dm-Land Usage
|
||||
*********************
|
||||
|
||||
Add this line as an ``acrn-dm`` boot parameter::
|
||||
@ -35,7 +35,7 @@ where
|
||||
|
||||
.. _ivshmem-hv:
|
||||
|
||||
ivshmem hv-land usage
|
||||
Ivshmem Hv-Land Usage
|
||||
*********************
|
||||
|
||||
The ``ivshmem`` hv-land solution is disabled by default in ACRN. You
|
||||
@ -68,7 +68,7 @@ enable it using the :ref:`acrn_configuration_tool` with these steps:
|
||||
|
||||
- Build the XML configuration, refer to :ref:`getting-started-building`
|
||||
|
||||
ivshmem notification mechanism
|
||||
Ivshmem Notification Mechanism
|
||||
******************************
|
||||
|
||||
Notification (doorbell) of ivshmem device allows VMs with ivshmem
|
||||
@ -94,10 +94,10 @@ to applications.
|
||||
.. note:: Notification is supported only for HV-land ivshmem devices. (Future
|
||||
support may include notification for DM-land ivshmem devices.)
|
||||
|
||||
Inter-VM Communication Examples
|
||||
Inter-Vm Communication Examples
|
||||
*******************************
|
||||
|
||||
dm-land example
|
||||
Dm-Land Example
|
||||
===============
|
||||
|
||||
This example uses dm-land inter-VM communication between two
|
||||
@ -167,7 +167,7 @@ Linux-based post-launched VMs (VM1 and VM2).
|
||||
- For VM1 use ``ls -lh /sys/bus/pci/devices/0000:00:06.0/uio``
|
||||
- For VM2 use ``ls -lh /sys/bus/pci/devices/0000:00:05.0/uio``
|
||||
|
||||
hv-land example
|
||||
Hv-Land Example
|
||||
===============
|
||||
|
||||
This example uses hv-land inter-VM communication between two
|
||||
|
||||
@ -57,7 +57,7 @@ to the User VM through a channel. If the User VM receives the command, it will s
|
||||
to the Device Model. It is the Service VM's responsibility to check if the User VMs
|
||||
shut down successfully or not, and decides when to power off itself.
|
||||
|
||||
User VM "lifecycle manager"
|
||||
User VM "Lifecycle Manager"
|
||||
===========================
|
||||
|
||||
As part of the current S5 reference design, a lifecycle manager daemon (life_mngr) runs in the
|
||||
@ -159,7 +159,7 @@ The procedure for enabling S5 is specific to the particular OS:
|
||||
.. note:: S5 state is not automatically triggered by a Service VM shutdown; this needs
|
||||
to be run before powering off the Service VM.
|
||||
|
||||
How to test
|
||||
How to Test
|
||||
***********
|
||||
As described in :ref:`vuart_config`, two vUARTs are defined in
|
||||
pre-defined ACRN scenarios: vUART0/ttyS0 for the console and
|
||||
|
||||
@ -18,7 +18,7 @@ It allows for direct assignment of an entire GPU's prowess to a single
|
||||
user, passing the native driver capabilities through to the hypervisor
|
||||
without any limitations.
|
||||
|
||||
Verified version
|
||||
Verified Version
|
||||
*****************
|
||||
|
||||
- ACRN-hypervisor tag: **acrn-2020w17.4-140000p**
|
||||
@ -31,7 +31,7 @@ Prerequisites
|
||||
Follow :ref:`these instructions <rt_industry_ubuntu_setup>` to set up
|
||||
Ubuntu as the ACRN Service VM.
|
||||
|
||||
Supported hardware platform
|
||||
Supported Hardware Platform
|
||||
***************************
|
||||
|
||||
Currently, ACRN has enabled GVT-d on the following platforms:
|
||||
@ -40,16 +40,16 @@ Currently, ACRN has enabled GVT-d on the following platforms:
|
||||
* Whiskey Lake
|
||||
* Elkhart Lake
|
||||
|
||||
BIOS settings
|
||||
BIOS Settings
|
||||
*************
|
||||
|
||||
Kaby Lake platform
|
||||
Kaby Lake Platform
|
||||
==================
|
||||
|
||||
* Set **IGD Minimum Memory** to **64MB** in **Devices** →
|
||||
**Video** → **IGD Minimum Memory**.
|
||||
|
||||
Whiskey Lake platform
|
||||
Whiskey Lake Platform
|
||||
=====================
|
||||
|
||||
* Set **PM Support** to **Enabled** in **Chipset** → **System
|
||||
@ -59,7 +59,7 @@ Whiskey Lake platform
|
||||
**System Agent (SA) Configuration**
|
||||
→ **Graphics Configuration** → **DVMT Pre-Allocated**.
|
||||
|
||||
Elkhart Lake platform
|
||||
Elkhart Lake Platform
|
||||
=====================
|
||||
|
||||
* Set **DMVT Pre-Allocated** to **64MB** in **Intel Advanced Menu**
|
||||
@ -93,7 +93,7 @@ Passthrough the GPU to Guest
|
||||
|
||||
4. Run ``launch_win.sh``.
|
||||
|
||||
Enable the GVT-d GOP driver
|
||||
Enable the GVT-d GOP Driver
|
||||
***************************
|
||||
|
||||
When enabling GVT-d, the Guest OS cannot light up the physical screen
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _pre_launched_rt:
|
||||
|
||||
Pre-Launched Preempt-RT Linux Mode in ACRN
|
||||
Pre-Launched Preempt-Rt Linux Mode in ACRN
|
||||
##########################################
|
||||
|
||||
The Pre-Launched Preempt-RT Linux Mode of ACRN, abbreviated as
|
||||
@ -34,7 +34,7 @@ two Ethernet ports. We will passthrough the SATA and Ethernet 03:00.0
|
||||
devices into the Pre-Launched RT VM, and give the rest of the devices to
|
||||
the Service VM.
|
||||
|
||||
Install SOS with Grub on NVMe
|
||||
Install SOS With Grub on NVMe
|
||||
=============================
|
||||
|
||||
As with the Hybrid and Logical Partition scenarios, the Pre-Launched RT
|
||||
@ -64,7 +64,7 @@ the SATA to the NVMe drive:
|
||||
# mount /dev/sda1 /mnt
|
||||
# cp /mnt/bzImage /boot/EFI/BOOT/bzImage_RT
|
||||
|
||||
Build ACRN with Pre-Launched RT Mode
|
||||
Build ACRN With Pre-Launched RT Mode
|
||||
====================================
|
||||
|
||||
The ACRN VM configuration framework can easily configure resources for
|
||||
|
||||
@ -35,7 +35,7 @@ Manual, (Section 17.19 Intel Resource Director Technology Allocation Features)
|
||||
|
||||
.. _rdt_detection_capabilities:
|
||||
|
||||
RDT detection and resource capabilities
|
||||
RDT Detection and Resource Capabilities
|
||||
***************************************
|
||||
From the ACRN HV debug shell, use ``cpuid`` to detect and identify the
|
||||
resource capabilities. Use the platform's serial port for the HV shell.
|
||||
@ -98,7 +98,7 @@ MBA bit encoding:
|
||||
resources by using a common subset CLOS. This is done in order to minimize
|
||||
misconfiguration errors.
|
||||
|
||||
Tuning RDT resources in HV debug shell
|
||||
Tuning RDT Resources in HV Debug Shell
|
||||
**************************************
|
||||
This section explains how to configure the RDT resources from the HV debug
|
||||
shell.
|
||||
@ -141,7 +141,7 @@ shell.
|
||||
|
||||
.. _rdt_vm_configuration:
|
||||
|
||||
Configure RDT for VM using VM Configuration
|
||||
Configure RDT for VM Using VM Configuration
|
||||
*******************************************
|
||||
|
||||
#. RDT hardware feature is enabled by default on supported platforms. This
|
||||
@ -166,11 +166,11 @@ Configure RDT for VM using VM Configuration
|
||||
</RDT>
|
||||
|
||||
#. Once RDT is enabled in the scenario XML file, the next step is to program
|
||||
the desired cache mask or/and the MBA delay value as needed in the
|
||||
scenario file. Each cache mask or MBA delay configuration corresponds
|
||||
to a CLOS ID. For example, if the maximum supported CLOS ID is 4, then 4
|
||||
the desired cache mask or/and the MBA delay value as needed in the
|
||||
scenario file. Each cache mask or MBA delay configuration corresponds
|
||||
to a CLOS ID. For example, if the maximum supported CLOS ID is 4, then 4
|
||||
cache mask settings needs to be in place where each setting corresponds
|
||||
to a CLOS ID starting from 0. To set the cache masks for 4 CLOS ID and
|
||||
to a CLOS ID starting from 0. To set the cache masks for 4 CLOS ID and
|
||||
use default delay value for MBA, it can be done as shown in the example below.
|
||||
|
||||
.. code-block:: none
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _rt_performance_tuning:
|
||||
|
||||
ACRN Real-time (RT) Performance Analysis
|
||||
ACRN Real-Time (RT) Performance Analysis
|
||||
########################################
|
||||
|
||||
The document describes the methods to collect trace/data for ACRN real-time VM (RTVM)
|
||||
@ -9,8 +9,8 @@ real-time performance analysis. Two parts are included:
|
||||
- Method to trace ``vmexit`` occurrences for analysis.
|
||||
- Method to collect Performance Monitoring Counters information for tuning based on Performance Monitoring Unit, or PMU.
|
||||
|
||||
``vmexit`` analysis for ACRN RT performance
|
||||
*******************************************
|
||||
Vmexit Analysis for ACRN RT Performance
|
||||
***************************************
|
||||
|
||||
``vmexit`` are triggered in response to certain instructions and events and are
|
||||
a key source of performance degradation in virtual machines. During the runtime
|
||||
@ -30,7 +30,7 @@ the duration of time where we do not want to see any ``vmexit`` occur.
|
||||
Different RT tasks use different critical sections. This document uses
|
||||
the cyclictest benchmark as an example of how to do ``vmexit`` analysis.
|
||||
|
||||
The critical sections
|
||||
The Critical Sections
|
||||
=====================
|
||||
|
||||
Here is example pseudocode of a cyclictest implementation.
|
||||
@ -53,14 +53,14 @@ the cyclictest to be awakened and scheduled. Here we can get the latency by
|
||||
So, we define the starting point of the critical section as ``next`` and
|
||||
the ending point as ``now``.
|
||||
|
||||
Log and trace data collection
|
||||
Log and Trace Data Collection
|
||||
=============================
|
||||
|
||||
#. Add time stamps (in TSC) at ``next`` and ``now``.
|
||||
#. Capture the log with the above time stamps in the RTVM.
|
||||
#. Capture the ``acrntrace`` log in the Service VM at the same time.
|
||||
|
||||
Offline analysis
|
||||
Offline Analysis
|
||||
================
|
||||
|
||||
#. Convert the raw trace data to human readable format.
|
||||
@ -71,10 +71,10 @@ Offline analysis
|
||||
:align: center
|
||||
:name: vm_exits_log
|
||||
|
||||
Collecting Performance Monitoring Counters data
|
||||
Collecting Performance Monitoring Counters Data
|
||||
***********************************************
|
||||
|
||||
Enable Performance Monitoring Unit (PMU) support in VM
|
||||
Enable Performance Monitoring Unit (PMU) Support in VM
|
||||
======================================================
|
||||
|
||||
By default, the ACRN hypervisor doesn't expose the PMU-related CPUID and
|
||||
@ -149,7 +149,7 @@ Note that Precise Event Based Sampling (PEBS) is not yet enabled in the VM.
|
||||
value64 = hva2hpa(vcpu->arch.msr_bitmap);
|
||||
exec_vmwrite64(VMX_MSR_BITMAP_FULL, value64);
|
||||
|
||||
Perf/PMU tools in performance analysis
|
||||
Perf/Pmu Tools in Performance Analysis
|
||||
======================================
|
||||
|
||||
After exposing PMU-related CPUID/MSRs to the VM, performance analysis tools
|
||||
@ -170,7 +170,7 @@ following links for perf usage:
|
||||
|
||||
Refer to https://github.com/andikleen/pmu-tools for PMU usage.
|
||||
|
||||
Top-down Microarchitecture Analysis Method (TMAM)
|
||||
Top-Down Microarchitecture Analysis Method (TMAM)
|
||||
==================================================
|
||||
|
||||
The top-down microarchitecture analysis method (TMAM), based on top-down
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _rt_perf_tips_rtvm:
|
||||
|
||||
ACRN Real-time VM Performance Tips
|
||||
ACRN Real-Time VM Performance Tips
|
||||
##################################
|
||||
|
||||
Background
|
||||
@ -34,7 +34,7 @@ RTVM performance:
|
||||
This document summarizes tips from issues encountered and
|
||||
resolved during real-time development and performance tuning.
|
||||
|
||||
Mandatory options for an RTVM
|
||||
Mandatory Options for an RTVM
|
||||
*****************************
|
||||
|
||||
An RTVM is a post-launched VM with LAPIC passthrough. Pay attention to
|
||||
@ -55,7 +55,7 @@ Tip: Use virtio polling mode
|
||||
and enables polling mode to avoid a VM-exit at the frontend. Enable
|
||||
virtio polling mode via the option ``--virtio_poll [polling interval]``.
|
||||
|
||||
Avoid VM-exit latency
|
||||
Avoid VM-exit Latency
|
||||
*********************
|
||||
|
||||
VM-exit has a significant negative impact on virtualization performance.
|
||||
@ -137,7 +137,7 @@ Tip: Create and initialize the RT tasks at the beginning to avoid runtime access
|
||||
to CR3 and CR8 does not cause a VM-exit. However, writes to CR0 and CR4 may cause a
|
||||
VM-exit, which would happen at the spawning and initialization of a new task.
|
||||
|
||||
Isolating the impact of neighbor VMs
|
||||
Isolating the Impact of Neighbor VMs
|
||||
************************************
|
||||
|
||||
ACRN makes use of several technologies and hardware features to avoid
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _rtvm_workload_guideline:
|
||||
|
||||
Real-time VM Application Design Guidelines
|
||||
Real-Time VM Application Design Guidelines
|
||||
##########################################
|
||||
|
||||
An RTOS developer must be aware of the differences between running applications on a native
|
||||
@ -11,7 +11,7 @@ incremental runtime overhead.
|
||||
|
||||
This document provides some application design guidelines when using an RTVM within the ACRN hypervisor.
|
||||
|
||||
Run RTVM with dedicated resources/devices
|
||||
Run RTVM With Dedicated Resources/Devices
|
||||
*****************************************
|
||||
|
||||
For best practice, ACRN allocates dedicated CPU, memory resources, and cache resources (using Intel
|
||||
@ -22,14 +22,14 @@ of I/O devices, we recommend using dedicated (passthrough) PCIe devices to avoid
|
||||
The configuration space for passthrough PCI devices is still emulated and accessing it will
|
||||
trigger a VM-Exit.
|
||||
|
||||
RTVM with virtio PMD (Polling Mode Driver) for I/O sharing
|
||||
RTVM With Virtio PMD (Polling Mode Driver) for I/O Sharing
|
||||
**********************************************************
|
||||
|
||||
If the RTVM must use shared devices, we recommend using PMD drivers that can eliminate the
|
||||
unpredictable latency caused by guest I/O trap-and-emulate access. The RTVM application must be
|
||||
aware that the packets in the PMD driver may arrive or be sent later than expected.
|
||||
|
||||
RTVM with HV Emulated Device
|
||||
RTVM With HV Emulated Device
|
||||
****************************
|
||||
|
||||
ACRN uses hypervisor emulated virtual UART (vUART) devices for inter-VM synchronization such as
|
||||
@ -39,7 +39,7 @@ behavior, the RT application using the vUART shall reserve a margin of CPU cycle
|
||||
for the additional latency introduced by the VM-Exit to the vUART I/O registers (~2000-3000 cycles
|
||||
per register access).
|
||||
|
||||
DM emulated device (Except PMD)
|
||||
DM Emulated Device (Except PMD)
|
||||
*******************************
|
||||
|
||||
We recommend **not** using DM-emulated devices in an RTVM.
|
||||
|
||||
@ -177,7 +177,7 @@ outputs:
|
||||
Debug = false
|
||||
UseVSock = false
|
||||
|
||||
Run a Kata Container with ACRN
|
||||
Run a Kata Container With ACRN
|
||||
******************************
|
||||
|
||||
The system is now ready to run a Kata Container on ACRN. Note that a reboot
|
||||
|
||||
@ -146,7 +146,7 @@ Install ACRN on the Debian VM
|
||||
[ 0.982837] ACRN HVLog: Failed to init last hvlog devs, errno -19
|
||||
[ 0.983023] ACRN HVLog: Initialized hvlog module with 4 cp
|
||||
|
||||
Enable the network sharing to give network access to User VM
|
||||
Enable the Network Sharing to Give Network Access to User VM
|
||||
************************************************************
|
||||
.. code-block:: bash
|
||||
|
||||
|
||||
@ -190,7 +190,7 @@ Modify the ``launch_win.sh`` script in order to launch Ubuntu as the User VM.
|
||||
|
||||
The Ubuntu desktop on the secondary monitor
|
||||
|
||||
Enable the Ubuntu Console instead of the User Interface
|
||||
Enable the Ubuntu Console Instead of the User Interface
|
||||
*******************************************************
|
||||
|
||||
After the Ubuntu VM reboots, follow the steps below to enable the Ubuntu
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _setup_openstack_libvirt:
|
||||
|
||||
Configure ACRN using OpenStack and libvirt
|
||||
Configure ACRN Using OpenStack and Libvirt
|
||||
##########################################
|
||||
|
||||
Introduction
|
||||
@ -41,7 +41,7 @@ Install ACRN
|
||||
create it using the instructions in
|
||||
:ref:`Build and Install ACRN on Ubuntu <build-and-install-acrn-on-ubuntu>`.
|
||||
|
||||
Set up and launch LXC/LXD
|
||||
Set Up and Launch LXC/LXD
|
||||
*************************
|
||||
|
||||
1. Set up the LXC/LXD Linux container engine::
|
||||
@ -148,7 +148,7 @@ The ``openstack`` container is now properly configured for OpenStack.
|
||||
Use the ``lxc list`` command to verify that both **eth0** and **eth1**
|
||||
appear in the container.
|
||||
|
||||
Set up ACRN prerequisites inside the container
|
||||
Set Up ACRN Prerequisites Inside the Container
|
||||
**********************************************
|
||||
|
||||
1. Log in to the ``openstack`` container as the **stack** user::
|
||||
@ -177,7 +177,7 @@ Set up ACRN prerequisites inside the container
|
||||
.. note:: Use the tag that matches the version of the ACRN hypervisor (``acrn.bin``)
|
||||
that runs on your system.
|
||||
|
||||
Set up libvirt
|
||||
Set Up Libvirt
|
||||
**************
|
||||
|
||||
1. Install the required packages::
|
||||
@ -218,7 +218,7 @@ Set up libvirt
|
||||
$ sudo systemctl daemon-reload
|
||||
|
||||
|
||||
Set up OpenStack
|
||||
Set Up OpenStack
|
||||
****************
|
||||
|
||||
Use DevStack to install OpenStack. Refer to the `DevStack instructions <https://docs.openstack.org/devstack/>`_.
|
||||
@ -303,7 +303,7 @@ Use DevStack to install OpenStack. Refer to the `DevStack instructions <https://
|
||||
|
||||
$ sudo iptables -t nat -A POSTROUTING -s 172.24.4.1/24 -o br-ex -j SNAT --to-source 192.168.1.104
|
||||
|
||||
Configure and create OpenStack Instance
|
||||
Configure and Create OpenStack Instance
|
||||
***************************************
|
||||
|
||||
We'll be using the Ubuntu 20.04 (Focal) Cloud image as the OS image (qcow2
|
||||
|
||||
@ -30,7 +30,7 @@ The image below shows the high-level design of SGX virtualization in ACRN.
|
||||
SGX Virtualization in ACRN
|
||||
|
||||
|
||||
Enable SGX support for Guest
|
||||
Enable SGX Support for Guest
|
||||
****************************
|
||||
|
||||
Presumptions
|
||||
@ -232,13 +232,13 @@ ENCLS[ECREATE]
|
||||
Other VMExit Control
|
||||
********************
|
||||
|
||||
RDRAND exiting
|
||||
RDRAND Exiting
|
||||
==============
|
||||
|
||||
* ACRN allows Guest to use RDRAND/RDSEED instruction but does not set "RDRAND
|
||||
exiting" to 1.
|
||||
|
||||
PAUSE exiting
|
||||
PAUSE Exiting
|
||||
=============
|
||||
|
||||
* ACRN does not set "PAUSE exiting" to 1.
|
||||
@ -248,7 +248,7 @@ Future Development
|
||||
Following are some currently unplanned areas of interest for future
|
||||
ACRN development around SGX virtualization.
|
||||
|
||||
Launch Configuration support
|
||||
Launch Configuration Support
|
||||
============================
|
||||
|
||||
When the following two conditions are both satisfied:
|
||||
|
||||
@ -128,7 +128,7 @@ SR-IOV Architecture in ACRN
|
||||
standard BAR registers. The MSI-X mapping base address is also from the
|
||||
PF's SR-IOV capabilities, not PCI standard BAR registers.
|
||||
|
||||
SR-IOV Passthrough VF Architecture In ACRN
|
||||
SR-IOV Passthrough VF Architecture in ACRN
|
||||
------------------------------------------
|
||||
|
||||
.. figure:: images/sriov-image4.png
|
||||
@ -219,7 +219,7 @@ SR-IOV VF Assignment Policy
|
||||
a passthrough to high privilege VMs because the PF device may impact
|
||||
the assigned VFs' functionality and stability.
|
||||
|
||||
SR-IOV Usage Guide In ACRN
|
||||
SR-IOV Usage Guide in ACRN
|
||||
--------------------------
|
||||
|
||||
We use the Intel 82576 NIC as an example in the following instructions. We
|
||||
@ -280,7 +280,7 @@ only support LaaG (Linux as a Guest).
|
||||
|
||||
c. Boot the User VM
|
||||
|
||||
SR-IOV Limitations In ACRN
|
||||
SR-IOV Limitations in ACRN
|
||||
--------------------------
|
||||
|
||||
1. The SR-IOV migration feature is not supported.
|
||||
|
||||
@ -256,7 +256,7 @@ section, we'll focus on two major components:
|
||||
See :ref:`trusty_tee` for additional details of Trusty implementation in
|
||||
ACRN.
|
||||
|
||||
One-VM, Two-Worlds
|
||||
One-Vm, Two-Worlds
|
||||
==================
|
||||
|
||||
As previously mentioned, Trusty Secure Monitor could be any
|
||||
|
||||
@ -1,6 +1,6 @@
|
||||
.. _using_grub:
|
||||
|
||||
Using GRUB to boot ACRN
|
||||
Using GRUB to Boot ACRN
|
||||
#######################
|
||||
|
||||
`GRUB <http://www.gnu.org/software/grub/>`_ is a multiboot bootloader
|
||||
@ -45,7 +45,7 @@ ELF format when :option:`hv.FEATURES.RELOC` is not set, or RAW format when
|
||||
|
||||
.. _pre-installed-grub:
|
||||
|
||||
Using pre-installed GRUB
|
||||
Using Pre-Installed GRUB
|
||||
************************
|
||||
|
||||
Most Linux distributions use GRUB version 2 by default. If its version
|
||||
@ -137,7 +137,7 @@ pre-launched VMs (the SOS_VM is also a kind of pre-launched VM):
|
||||
start the VMs automatically.
|
||||
|
||||
|
||||
Installing self-built GRUB
|
||||
Installing Self-Built GRUB
|
||||
**************************
|
||||
|
||||
If the GRUB version on your platform is outdated or has issues booting
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in New Issue
Block a user