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Wed, 21 Jun 2023 18:55:47 -0500 From: Suravee Suthikulpanit To: , , CC: , , , , , , , , , , , , , , , "Suravee Suthikulpanit" Subject: [RFC PATCH 06/21] iommu/amd: Modify set_dte_entry() to add gcr3 input parameter Date: Wed, 21 Jun 2023 18:54:53 -0500 Message-ID: <20230621235508.113949-7-suravee.suthikulpanit@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230621235508.113949-1-suravee.suthikulpanit@amd.com> References: <20230621235508.113949-1-suravee.suthikulpanit@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000E9D4:EE_|DM6PR12MB5008:EE_ X-MS-Office365-Filtering-Correlation-Id: 9cac8257-46cc-4cc0-e63e-08db72b30992 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: CKJYfh11c6zLG16peuQ70hb/dk0m6rk2zRP1HESICEfzbWNds/HcbZ8X7LVlGLXpba02dv0qcxwJqB59DxtONMz6DAJ5KuH0MyHUdDmsrux65o5+J9jYc+ASoRFwhVLi/3+W+dcm5yC9lAvtLGanscK+RsQT5e8RgZ2UdfbUfFtGaU/ehQw5iMd3wQ46FUKfRzn8i3otg65VnDQIf74JFutRSEPBiWeZ10hF5+fAGTGC7ZEzldGOX3+Q7b5XyYkrywW044yjrIKexx+5riWrMrF1iV5AsIBoySV4rQrHP12Tz1WN2hmZyx6g1Zv3n6n/LyKHGm2GCSJZCDLRcMovgDUg2Mj3xPb9aKqt6heJuJLPb1qaXXsTkbWHrBTDintnCHFIjF8+JUzcVXsFyTvL3cxKf9+2VRzynaaXf/9UYPngQH5Wp+m0A13G6hmo8FlJTvUxujIMUAOJNsHYLJ2iJyA/36Im1nd3tH0sgukndP9Ve4O5NZ1V8CRfPoXdsBUXLeini/2pfxIciFu82u61Gu8yiWScs5vvdRCtxaAnCU5rxp7SYMyT+mHp9k+Mv8sonXz8t0K7SZmpSxHDqVA74PJD4LfezfrHjignp5lj9JF3MSKCu8b2cNwqSz+1hY9Eg2EynmPQQ2qRCR/NolWbkXAgU7JALcxfA7tRwVhYC4T7hN7jAeMBsbswiPtG+Oswdig4B2eVANHjd8S7EtFqXHyK5aLHBc0K3dEBrHjIP/OR/3z60vIs97a/UMl24KOSNa0qTJmqX2ISvmwBVT/gmg== X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230028)(4636009)(346002)(136003)(39860400002)(396003)(376002)(451199021)(40470700004)(46966006)(36840700001)(6666004)(110136005)(4326008)(54906003)(478600001)(47076005)(40480700001)(336012)(2616005)(426003)(83380400001)(36756003)(86362001)(36860700001)(40460700003)(2906002)(186003)(82310400005)(70586007)(16526019)(7696005)(1076003)(26005)(356005)(82740400003)(81166007)(316002)(70206006)(8676002)(41300700001)(8936002)(5660300002)(44832011)(7416002)(36900700001);DIR:OUT;SFP:1101; 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There is no functional change. Signed-off-by: Suravee Suthikulpanit --- drivers/iommu/amd/amd_iommu.h | 1 + drivers/iommu/amd/iommu.c | 10 ++++++---- 2 files changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h index 5d2eed07a1fa..dbfc70556220 100644 --- a/drivers/iommu/amd/amd_iommu.h +++ b/drivers/iommu/amd/amd_iommu.h @@ -16,6 +16,7 @@ extern void iommu_feature_disable(struct amd_iommu *iommu, u8 bit); extern u8 __iomem * __init iommu_map_mmio_space(u64 address, u64 end); extern void set_dte_entry(struct amd_iommu *iommu, u16 devid, struct protection_domain *domain, + u64 *gcr3_tbl, bool ats, bool ppr); extern int iommu_flush_dte(struct amd_iommu *iommu, u16 devid); extern struct protection_domain *to_pdomain(struct iommu_domain *dom); diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 3b31ecde0122..4728929657f5 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -1590,7 +1590,9 @@ static void set_dte_entry_v2(struct amd_iommu *iommu, } void set_dte_entry(struct amd_iommu *iommu, u16 devid, - struct protection_domain *domain, bool ats, bool ppr) + struct protection_domain *domain, + u64 *gcr3_tbl, + bool ats, bool ppr) { u64 pte_root = 0; u64 flags = 0; @@ -1622,7 +1624,7 @@ void set_dte_entry(struct amd_iommu *iommu, u16 devid, pte_root |= 1ULL << DEV_ENTRY_PPR; } - set_dte_entry_v2(iommu, domain, domain->gcr3_tbl, &pte_root, &flags); + set_dte_entry_v2(iommu, domain, gcr3_tbl, &pte_root, &flags); if ((domain->flags & PD_IOMMUV2_MASK) && amd_iommu_gpt_level == PAGE_MODE_5_LEVEL) { @@ -1686,7 +1688,7 @@ static void do_attach(struct iommu_dev_data *dev_data, domain->dev_cnt += 1; /* Update device table */ - set_dte_entry(iommu, dev_data->devid, domain, + set_dte_entry(iommu, dev_data->devid, domain, domain->gcr3_tbl, ats, dev_data->iommu_v2); clone_aliases(iommu, dev_data->dev); @@ -1965,7 +1967,7 @@ static void update_device_table(struct protection_domain *domain) if (!iommu) continue; - set_dte_entry(iommu, dev_data->devid, domain, + set_dte_entry(iommu, dev_data->devid, domain, domain->gcr3_tbl, dev_data->ats.enabled, dev_data->iommu_v2); clone_aliases(iommu, dev_data->dev); }