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Peter Anvin" , Sumit Garg , Subject: [PATCH 0/6] Export platform features from ccp driver Date: Thu, 9 Feb 2023 16:38:02 -0600 Message-ID: <20230209223811.4993-1-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: 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: DM6NAM11FT038:EE_|BL1PR12MB5945:EE_ X-MS-Office365-Filtering-Correlation-Id: 1eee4d7d-12e4-4562-ebca-08db0aee5d3d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: vfWtBKbxq1+8a4ud44IBfExgbcMQEBz8rusddVlnfa57XubF9hTjAjliDw76LFWnEifWGajZVaEOziz0MQYR02vldom3ju1J0qOzmPBDJ8Zv5ZbkKdmROMB7S4jC4W1uG7C0tL0G9s7aKXcZc30o+1tyJOQ9II1JadyzHrxu0qXLxLOwkRjABvxZcVyNau9o2E1Q1b5o4BN/EYRA2Bnca9lz3QTsE37pjPqy5ZFXGzh4V7Bzi/Y4iOdyoYqQeIYMQOzSACLMD0gl/BHZAg0oRthjp46ic0VTDu+SnY5Tm7Ps6DyR7I+WrXq36W6ioOyDRwmTT23r0WKUZbkHqLYB3zgvDNGo9Ch3kLG8poZVHW1+lQ5LbPAiRwfYZnX0Yxg2QRVZ8LTL0Ckizv7yYg9JCR9jgQ9tDpeBeOhl9fC1j5kc/jXxf/824hHkgFsPlkAXfk5GNP3M8z6UsuIox91s7bUdenimYUn+5qrlsyr9cNdBheEq/5yr48iE0w6sHGsAdbwRtCGCNRRMp+aSK2E3atK4nUApf5/oYvZ8B3Ywk3ZT8pfW6JopJ/rSq5tncXhC3RsMK7/p+K0XdV5H1ALTFXY8DC7meD9DmY8F7doeRuC5apjA5tG2RQzYzVRqXA2oEtXWMv54SLu3VVJj05oJd/jimFO6aBlm9argVgf49I31yJweAiWJtjKNSG1mJS4nQFAEa+3LLDP11N7k8Ub7sCOa/c84ecfn7OCpms+z1J2kmyjxKtCQBZqNJCzHPtax 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)(396003)(376002)(136003)(39860400002)(346002)(451199018)(36840700001)(40470700004)(46966006)(426003)(26005)(1076003)(86362001)(6666004)(186003)(36756003)(16526019)(83380400001)(336012)(7696005)(47076005)(70206006)(54906003)(316002)(110136005)(70586007)(8676002)(82310400005)(41300700001)(40480700001)(8936002)(2616005)(36860700001)(4326008)(44832011)(7416002)(921005)(2906002)(40460700003)(356005)(5660300002)(81166007)(82740400003)(478600001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Feb 2023 22:38:28.5109 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1eee4d7d-12e4-4562-ebca-08db0aee5d3d 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: DM6NAM11FT038.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR12MB5945 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. Mario Limonciello (6): 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 arch/x86/kvm/svm/sev.c | 1 + drivers/crypto/ccp/Makefile | 3 +- drivers/crypto/ccp/platform-access.c | 166 ++++++++++++++++++++ drivers/crypto/ccp/platform-access.h | 34 ++++ 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 | 7 + drivers/crypto/ccp/sp-pci.c | 7 + drivers/crypto/ccp/tee-dev.c | 17 +- drivers/i2c/busses/Kconfig | 2 +- drivers/i2c/busses/i2c-designware-amdpsp.c | 149 +----------------- drivers/i2c/busses/i2c-designware-core.h | 1 - drivers/i2c/busses/i2c-designware-platdrv.c | 1 - drivers/tee/amdtee/call.c | 2 +- drivers/tee/amdtee/shm_pool.c | 2 +- include/linux/psp-platform-access.h | 50 ++++++ include/linux/psp-sev.h | 8 - include/linux/psp.h | 26 +++ 20 files changed, 340 insertions(+), 197 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 base-commit: c7410b425de40e9b163eef781e1bdacf1bf2962e