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Peter Anvin" , Sumit Garg , , Subject: [PATCH v2 0/9] Export platform features from ccp driver Date: Thu, 2 Mar 2023 13:42:23 -0600 Message-ID: <20230302194235.1724-1-mario.limonciello@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain 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: BN8NAM11FT025:EE_|SA1PR12MB8142:EE_ X-MS-Office365-Filtering-Correlation-Id: 83a9a9ad-858c-47bb-ba64-08db1b56572b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230025)(4636009)(396003)(136003)(376002)(39860400002)(346002)(451199018)(46966006)(40470700004)(36840700001)(921005)(36860700001)(4326008)(356005)(81166007)(82740400003)(7696005)(86362001)(44832011)(2906002)(7416002)(36756003)(8676002)(8936002)(70206006)(40480700001)(5660300002)(41300700001)(70586007)(26005)(478600001)(186003)(82310400005)(1076003)(2616005)(336012)(83380400001)(47076005)(16526019)(110136005)(6666004)(54906003)(316002)(426003)(40460700003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Mar 2023 19:43:04.6209 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 83a9a9ad-858c-47bb-ba64-08db1b56572b 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: BN8NAM11FT025.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB8142 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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. v1->v2: * Pick up tags * Fix dependencies * Add support for Skyrim (3 new patches in series) 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 crypto: ccp: Add doorbell register offset arch/x86/kvm/svm/sev.c | 1 + drivers/crypto/ccp/Makefile | 3 +- drivers/crypto/ccp/platform-access.c | 216 ++++++++++++++++++++ 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 | 8 + drivers/crypto/ccp/sp-pci.c | 8 + 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, 432 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 -- 2.34.1