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Tsirkin" , Mads Ynddal , Cameron Esfahani Subject: [PATCH v12 09/28] docs: arm: update virt machine model description Date: Mon, 29 Dec 2025 00:54:03 +0100 Message-ID: <20251228235422.30383-10-mohamed@unpredictable.fr> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251228235422.30383-1-mohamed@unpredictable.fr> References: <20251228235422.30383-1-mohamed@unpredictable.fr> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Authority-Info: v=2.4 cv=YYKwJgRf c=1 sm=1 tr=0 ts=6951c3ba cx=c_apl:c_pps a=azHRBMxVc17uSn+fyuI/eg==:117 a=azHRBMxVc17uSn+fyuI/eg==:17 a=wP3pNCr1ah4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=UWX6RoDBcPCHCN3xbnsA:9 X-Proofpoint-GUID: EtxjQywVbxc3nE96Rj7CmIafWux5kYLL X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjI4MDIyMyBTYWx0ZWRfXzjNmEipZwqVg PMgPx/XF4NwWggXrLdc74Aksqyxjloxll6KJZpSnquRXmhfKO6Iv3s0meQvURoXGxSHxry4dorU G3YBkzqt3mVXhqhYdwGZGeeZRGNyj22XGvOIq/u656bMBb6H0HHZTgs4mvgCXJZiDyp0qeeCyvW JKpKAxs+MowLyKFqkwRQhPHTkPe/qDtWA2uiuUi4OmlwMlFq+7ZaznIZ2e70V9Ub0n4fpN0HaSi oOf/iRtxTNl9AJls9SevXyA0ycPYfCV5qCdvXU0gpwHVRlVHGIS0r6qY1zX5PIVPYj8H+eK5gdw 4AZkcarplqMZvLZKjLc X-Proofpoint-ORIG-GUID: EtxjQywVbxc3nE96Rj7CmIafWux5kYLL 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=2025-12-28_07,2025-12-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 malwarescore=0 mlxlogscore=999 phishscore=0 suspectscore=0 clxscore=1030 adultscore=0 spamscore=0 mlxscore=0 classifier=spam authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2512280223 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=57.103.65.211; envelope-from=mohamed@unpredictable.fr; helo=outbound.pv.icloud.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: 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: 1766966243564158500 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)