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Tsirkin" , Alejandro Jimenez , Ani Sinha , "Igor Mammedov" , Paolo Bonzini , "Richard Henderson" , Sairaj Kodilkar , CC: , Subject: [PATCH v2 6/7] amd_iommu: acpi-build: Remove unsupported PPR and HE feature Date: Fri, 7 Aug 2026 11:42:49 +0530 Message-ID: <20260807061250.27739-7-sarunkod@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260807061250.27739-1-sarunkod@amd.com> References: <20260807061250.27739-1-sarunkod@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: satlexmb08.amd.com (10.181.42.217) To satlexmb07.amd.com (10.181.42.216) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF000001C8:EE_|IA0PPFA8EB66EE9:EE_ X-MS-Office365-Filtering-Correlation-Id: 37d184cb-7d9d-49d4-3914-08def44b9d49 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|23010399003|376014|36860700016|82310400026|1800799024|6133799003|10067099003|56012099006|11063799006|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:satlexmb07.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(23010399003)(376014)(36860700016)(82310400026)(1800799024)(6133799003)(10067099003)(56012099006)(11063799006)(22082099003)(18002099003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: aXysqSPbbNT3Puv+BuZQpLK/2HP14wQjPGeqafkCJL/67o6El9Lq4S7co7NRUqwBEIbaes8v3PhzSBJM7PIUylPXgZ7XqUYC0pWLg70FIs/14vEBu3l7p/crRc1Ouo/C3ejD7jFrvjCkhzk/ghJddjdAQtgz7tIc2lj60wLBmBjawsBMrOb4ZFmzBLyjuZulNJy+b4CS16degJw6c0V4gtyTWrtbEMPcODEqkZwLjua0NUW9AMr6RASfkIEU5Ay4m/q09WXVDXfBTwf0OR0mgARlVN1xtzJQ38AdL9lwW4FZvhT+hJZ9bYCuHogeiIQ+3VvIVEgVhC/g0+QU74Lrri/Hqb8IAJYEH9MSb/SJpeonUMdYYuBUmr/Gm/Sf2taVAgoeacMPe0+4AA8tCN19Fu3oQIthvld3XoviuZusN8SNISC1dHviqe6NCx75WVTs X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Aug 2026 06:17:53.0393 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 37d184cb-7d9d-49d4-3914-08def44b9d49 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF000001C8.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PPFA8EB66EE9 Received-SPF: permerror client-ip=2a01:111:f403:c105::1; envelope-from=Sairaj.K@amd.com; helo=CH1PR05CU001.outbound.protection.outlook.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.852, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org AMD IOMMU does not support ppr and hardware error registers. Hence do not publish these features to guest through extended feature MMIO register and IVHD 10h flags field. Signed-off-by: Sairaj Kodilkar --- hw/i386/acpi-build.c | 3 +-- hw/i386/amd_iommu.h | 5 ++--- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 656a693e661f..749a1fe0d27e 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1935,8 +1935,7 @@ build_amd_iommu(GArray *table_data, BIOSLinker *linker, const char *oem_id, build_append_int_noprefix(table_data, (1UL << 0) | /* HtTunEn */ (1UL << 4) | /* iotblSup */ - (1UL << 6) | /* PrefSup */ - (1UL << 7), /* PPRSup */ + (1UL << 6), /* PrefSup */ 1); /* IVHD length */ diff --git a/hw/i386/amd_iommu.h b/hw/i386/amd_iommu.h index 319db1861820..c5b346cc356c 100644 --- a/hw/i386/amd_iommu.h +++ b/hw/i386/amd_iommu.h @@ -227,9 +227,8 @@ /* default extended feature */ #define AMDVI_DEFAULT_EXT_FEATURES \ - (AMDVI_FEATURE_PREFETCH | AMDVI_FEATURE_PPR | \ - AMDVI_FEATURE_IA | AMDVI_FEATURE_GT | AMDVI_FEATURE_HE | \ - AMDVI_GATS_MODE | AMDVI_HATS_MODE | AMDVI_FEATURE_GA) + (AMDVI_FEATURE_PREFETCH | AMDVI_FEATURE_IA | AMDVI_FEATURE_GT | \ + AMDVI_GATS_MODE | AMDVI_HATS_MODE | AMDVI_FEATURE_GA) /* capabilities header */ #define AMDVI_CAPAB_FEATURES (AMDVI_CAPAB_FLAT_EXT | \ -- 2.34.1