From e2bf4a90b478d587006ebcb8b1996edd0f556cf4 Mon Sep 17 00:00:00 2001 From: Junjie Mao Date: Wed, 22 Sep 2021 14:46:11 +0800 Subject: [PATCH] doc: update release notes for v2.6 on configuration upgrades This patch updates recommendations to upgrade from a prior ACRN version for v2.6. Signed-off-by: Junjie Mao --- doc/release_notes/release_notes_2.6.rst | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/doc/release_notes/release_notes_2.6.rst b/doc/release_notes/release_notes_2.6.rst index 05d5d2da2..c7b83a904 100644 --- a/doc/release_notes/release_notes_2.6.rst +++ b/doc/release_notes/release_notes_2.6.rst @@ -45,6 +45,30 @@ Upgrading to v2.6 From Previous Releases We highly recommended that you follow these instructions to upgrade to v2.6 from previous ACRN releases. +Generate New Board XML +====================== + +Board XML files, generated by ACRN board inspector, contain board information +that is essential to build ACRN. Compared to previous versions, ACRN v2.6 adds +the following hardware information to board XMLs to support the new features and +fixes. + + - Maximum width of physical and linear addresses + - Device objects in the ACPI namespace + - Routing of PCI interrupt pins + - Number of requested vectors of MSI-capable PCI devices + +The new board XML can be generated using the ACRN board inspector in the same +way as ACRN v2.5. Refer to :ref:`acrn_config_workflow` for a complete list of +steps to deploy and run the tool. + +Add New Configuration Options +============================= + +In v2.6, the following elements are added to scenario XML files. + +- :option:`hv.FEATURES.ENFORCE_TURNOFF_GP` (Default value is ``n``) +- :option:`hv.FEATURES.SECURITY_VM_FIXUP` (Default value is ``n``) Document Updates ****************