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Tsirkin" , qemu-arm@nongnu.org, Richard Henderson , Zhao Liu , Pierrick Bouvier Subject: [PATCH v15 08/26] docs: arm: update virt machine model description Date: Thu, 15 Jan 2026 01:14:47 +0100 Message-ID: <20260115001505.57237-9-mohamed@unpredictable.fr> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260115001505.57237-1-mohamed@unpredictable.fr> References: <20260115001505.57237-1-mohamed@unpredictable.fr> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Authority-Info: v=2.4 cv=a7c9NESF c=1 sm=1 tr=0 ts=696831c4 cx=c_apl:c_apl_out:c_pps a=qkKslKyYc0ctBTeLUVfTFg==:117 a=vUbySO9Y5rIA:10 a=VkNPw1HP01LnGYTKEx00:22 a=KKAkSRfTAAAA:8 a=UWX6RoDBcPCHCN3xbnsA:9 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-GUID: 3FUIQYR1-voFzuNammOTidQV0H2SKBQw X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTE1MDAwMCBTYWx0ZWRfX8exHBDpIB5EC iuhoPeEJpKfat6dKK4kPgsnwA/2RP5WCy33/jRXbToraHvbYK5QBzLyFh1az/I8HJXd2Gnp+4gD E9eoNWnIhUWQCHpfn2TPBgXUVPIuBz3srsFrdhBcAgUh1SRAiEiYyq09wRjqdyp9+q0oB6BD/ql lHXggqAgMxkxM+15ERF+bYPA3GMMoNljmmY64FhzJ1jevY7tEycB+C8jcZtodCSS/Iif7aZauRv WXdOZ2xCswqaBd0qnLF+uFly4AcOABVhrIyeTU8QZKqn9geAThuxz3QcOLPbZ5zr9DbnS5cMTsm s+vyU8zn9+GiJDO5ves X-Proofpoint-ORIG-GUID: 3FUIQYR1-voFzuNammOTidQV0H2SKBQw X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-14_07,2026-01-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 bulkscore=0 suspectscore=0 spamscore=0 malwarescore=0 clxscore=1030 adultscore=0 mlxlogscore=999 mlxscore=0 classifier=spam authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2601150000 X-JNJ: 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 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=57.103.72.74; envelope-from=mohamed@unpredictable.fr; helo=outbound.ms.icloud.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H2=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @unpredictable.fr) X-ZM-MESSAGEID: 1768436188415158500 Content-Type: text/plain; charset="utf-8" Update the documentation to match current QEMU. Remove the mention of pre-2.7 machine models as those aren't provided anymore. Signed-off-by: Mohamed Mediouni Reviewed-by: Pierrick Bouvier --- docs/system/arm/virt.rst | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/docs/system/arm/virt.rst b/docs/system/arm/virt.rst index e5570773ba..b6e88c4f13 100644 --- a/docs/system/arm/virt.rst +++ b/docs/system/arm/virt.rst @@ -41,9 +41,10 @@ The virt board supports: - User-creatable SMMUv3 devices (see below for example) - hotpluggable DIMMs - hotpluggable NVDIMMs -- An MSI controller (GICv2M or ITS). GICv2M is selected by default along - with GICv2. ITS is selected by default with GICv3 (>=3D virt-2.7). Note - that ITS is not modeled in TCG mode. +- An MSI controller (GICv2m or ITS). + - When using a GICv3, ITS is selected by default when available on the p= latform. + - If using a GICv2 or when ITS is not available or disabled, a GICv2m is= provided by default instead. + - Before virt-11.0, when using a GICv3 without the ITS, a GICv2m is not = provided. - 32 virtio-mmio transport devices - running guests using the KVM accelerator on aarch64 hardware - large amounts of RAM (at least 255GB, and more if using highmem) @@ -167,9 +168,11 @@ gic-version with TCG this is currently ``3`` if ``virtualization`` is ``off`` and ``4`` if ``virtualization`` is ``on``, but this may change in future) =20 +msi + Set ``auto``/``gicv2m``/``its``/``none`` to control MSI controller confi= guration. The default is ``auto``. + its - Set ``on``/``off`` to enable/disable ITS instantiation. The default is `= `on`` - for machine types later than ``virt-2.7``. + Set ``on``/``off``/``auto`` to control ITS instantiation. The default is= ``auto``. =20 iommu Set the IOMMU type to create for the guest. Valid values are: --=20 2.50.1 (Apple Git-155)