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Peter Anvin" , Sumit Garg , , Subject: [PATCH v3 0/9] Export platform features from ccp driver Date: Fri, 3 Mar 2023 10:50:38 -0600 Message-ID: <20230303165050.2918-1-mario.limonciello@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT038:EE_|SA3PR12MB7808:EE_ X-MS-Office365-Filtering-Correlation-Id: 3a512e26-62db-47d0-1132-08db1c077aa2 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: ZtTMa8ylReLjf+reKSlqN07XHxZNMsNzJviehSOAX8XAokEQlnM8oyGKmWcUNHj1IP8Mh2kZJOhetW89RQzL+BdxSSxis/BBac/u9mZ9iNx5ppcVtyMdaxIYsUO2rDe+iVEEqO1QG2MvaIRfToduAPOlppZE4J4PwKaiQtbc4/pAiZvOYnvPGw0l0s9Ng8MevwQfVv0g89kEJIPfZGDExevxTQLw5umpdxPaH5kJgCXYskYZh7SDnscLhOzspBZhwtFDT/8+APaYXI6jxkV2nPG6LUHmpoNm9SeXXJtq44zvnSZuA6vrhqq1JV87XJPa+wgYrYAVszWGfuHNRC/9VpHw0w+fynXhZPvrItTUqOQp2gN/W1Qkg75dpRbC+UMqYEcrfipNl6J48c+/Kpr0RjYKX75I3Xp49+OKKbAzKgIe5h9+cG6hBVw02LqCixfbCPKyCVD5+cEX7euy17E2WI9HL1Jpb8j3tnGbtg+d2TlVQ1O3ShuV1JQ/ARKxd9dLMi+FLC5tFPEBaidorGWVJuRjyH6EQNzr5HNvCkaXlLfrJKTdsSxGEr9aNfqJTI/FPHYQgDdSyY0v++0QWlcrvliNDVdzRh9BRzTcqkMmg/nuF1qNNfXcrpjDTk79V1BMW91U2Tld7TxTVfJG0mXVnHRINjb5itccoX56XDGRSg3q1ujGdvqb/b0MJ3tzAR8oUwrUDtBIHJ4mfPANM3D+M/8XKph4z3zYR+HrvvcM1JWpzBbF0zfE/yf20QeO3D/l 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:(13230025)(4636009)(136003)(39860400002)(346002)(396003)(376002)(451199018)(40470700004)(46966006)(36840700001)(426003)(83380400001)(36860700001)(6666004)(47076005)(36756003)(40460700003)(82740400003)(81166007)(478600001)(5660300002)(8936002)(7416002)(921005)(40480700001)(356005)(86362001)(82310400005)(26005)(16526019)(336012)(2616005)(70586007)(1076003)(8676002)(2906002)(186003)(70206006)(7696005)(44832011)(41300700001)(4326008)(316002)(54906003)(110136005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Mar 2023 16:51:04.9285 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3a512e26-62db-47d0-1132-08db1c077aa2 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=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT038.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR12MB7808 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org The i2c-designware-amdpsp driver communicates with a platform features mailbox provided by the PSP. The address used for communication is discovered via a non-architecturally guaranteed mechanism. To better scale, export a feature for communication with platform features directly from the ccp driver. v2->v3: * Split new ACPI ID to own patch * Squash doorbell offsets into doorbell patch * Fix all feedback from v2 (see individual patches for details) Mario Limonciello (9): crypto: ccp: Drop TEE support for IRQ handler crypto: ccp: Add a header for multiple drivers to use `__psp_pa` crypto: ccp: Move some PSP mailbox bit definitions into common header crypto: ccp: Add support for an interface for platform features crypto: ccp: Enable platform access interface on client PSP parts i2c: designware: Use PCI PSP driver for communication crypto: ccp: Add support for ringing a platform doorbell i2c: designware: Add doorbell support for Skyrim i2c: designware: Add support for AMDI0020 ACPI ID arch/x86/kvm/svm/sev.c | 1 + drivers/crypto/ccp/Makefile | 3 +- drivers/crypto/ccp/platform-access.c | 218 ++++++++++++++++++++ drivers/crypto/ccp/platform-access.h | 35 ++++ drivers/crypto/ccp/psp-dev.c | 32 +-- drivers/crypto/ccp/psp-dev.h | 11 +- drivers/crypto/ccp/sev-dev.c | 16 +- drivers/crypto/ccp/sev-dev.h | 2 +- drivers/crypto/ccp/sp-dev.h | 10 + drivers/crypto/ccp/sp-pci.c | 9 + drivers/crypto/ccp/tee-dev.c | 17 +- drivers/i2c/busses/Kconfig | 2 +- drivers/i2c/busses/i2c-designware-amdpsp.c | 179 +++------------- drivers/i2c/busses/i2c-designware-core.h | 1 - drivers/i2c/busses/i2c-designware-platdrv.c | 2 +- drivers/tee/amdtee/call.c | 2 +- drivers/tee/amdtee/shm_pool.c | 2 +- include/linux/psp-platform-access.h | 65 ++++++ include/linux/psp-sev.h | 8 - include/linux/psp.h | 29 +++ 20 files changed, 438 insertions(+), 206 deletions(-) create mode 100644 drivers/crypto/ccp/platform-access.c create mode 100644 drivers/crypto/ccp/platform-access.h create mode 100644 include/linux/psp-platform-access.h create mode 100644 include/linux/psp.h Acked-by: Tom Lendacky