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b=fXk5BNtj/LQtN2nekMLdAL49ETDgTMzBIYGFuN5vOnnrFZiZhEfIWu40KjUC8w8Oiog3UOhG9tQCkhNTsT9DA5MF9yDTojDPAu427z6wBarMov+GR/eqEljYdXCgXBMMMGOuNctYLMA+6ty2pwpqgifObUXUbxOD+tZ+6q2oh4gqP8fAVTVLY5TwesX/3OIA3MJBflXr4NNxPxYlj/p1GHpYeAocXZvXI5sOIwNU25NokHNkl5e+uw+Vr0gXzEt6PD3PxritQn9QJ0pwZ4B8xuDHvscnOrAcc1FjsE9NeBUmiZpC83DammsdOqNVrNM+LhVUFwNG8NSra2XZdvz1ow== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; From: Nathan Chen To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: Yi Liu , Eric Auger , Zhenzhong Duan , Peter Maydell , Marcel Apfelbaum , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Yanan Wang , Zhao Liu , Alex Williamson , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Shameer Kolothum , Matt Ochs , Nicolin Chen , Nathan Chen Subject: [PATCH 03/11] hw/arm/smmuv3: Change the default ats support to match the host Date: Tue, 31 Mar 2026 18:02:23 -0700 Message-ID: <20260401010231.4166776-4-nathanc@nvidia.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260401010231.4166776-1-nathanc@nvidia.com> References: <20260401010231.4166776-1-nathanc@nvidia.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SJ0PR13CA0185.namprd13.prod.outlook.com (2603:10b6:a03:2c3::10) To DS2PR12MB9567.namprd12.prod.outlook.com (2603:10b6:8:27c::8) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS2PR12MB9567:EE_|IA1PR12MB6626:EE_ X-MS-Office365-Filtering-Correlation-Id: d51981ab-ceda-455c-5d55-08de8f8a5f9c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: permerror client-ip=2a01:111:f403:c10d::1; envelope-from=nathanc@nvidia.com; helo=SN4PR2101CU001.outbound.protection.outlook.com X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.54, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FORGED_SPF_HELO=1, SPF_HELO_PASS=-0.001, SPF_NONE=0.001 autolearn=no 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 @Nvidia.com) X-ZM-MESSAGEID: 1775005490188158500 Content-Type: text/plain; charset="utf-8" From: Nathan Chen Set the default value of ATS to auto. The default for ATS support used to be set to off, but we change it to match what the host IOMMU properties report. Introduce a new compat for the changed default. Signed-off-by: Nathan Chen --- hw/arm/smmuv3.c | 2 +- hw/core/machine.c | 5 +++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index f3603554e3..f353865187 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -2158,7 +2158,7 @@ static const Property smmuv3_properties[] =3D { DEFINE_PROP_UINT64("msi-gpa", SMMUv3State, msi_gpa, 0), /* RIL can be turned off for accel cases */ DEFINE_PROP_ON_OFF_AUTO("ril", SMMUv3State, ril, ON_OFF_AUTO_ON), - DEFINE_PROP_ON_OFF_AUTO("ats", SMMUv3State, ats, ON_OFF_AUTO_OFF), + DEFINE_PROP_ON_OFF_AUTO("ats", SMMUv3State, ats, ON_OFF_AUTO_AUTO), DEFINE_PROP_OAS_MODE("oas", SMMUv3State, oas, OAS_MODE_44), DEFINE_PROP_SSIDSIZE_MODE("ssidsize", SMMUv3State, ssidsize, SSID_SIZE_MODE_0), diff --git a/hw/core/machine.c b/hw/core/machine.c index 0aa77a57e9..6796ab63cc 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -37,6 +37,11 @@ #include "hw/virtio/virtio-iommu.h" #include "hw/acpi/generic_event_device.h" #include "qemu/audio.h" +#include "hw/arm/smmuv3.h" + +GlobalProperty hw_compat_11_0[] =3D { + { TYPE_ARM_SMMUV3, "ats", "off" }, +}; =20 GlobalProperty hw_compat_10_2[] =3D { { "scsi-block", "migrate-pr", "off" }, --=20 2.43.0