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Fri, 25 Aug 2023 23:51:12 -0500 From: Abhijit Gangurde To: , , CC: , , , , , Abhijit Gangurde Subject: [PATCH v4 0/5] cdx: provide sysfs interface for cdx device resources Date: Sat, 26 Aug 2023 10:19:39 +0530 Message-ID: <20230826044944.4161017-1-abhijit.gangurde@amd.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000EE3F:EE_|IA0PR12MB8375:EE_ X-MS-Office365-Filtering-Correlation-Id: 4de1a6ec-a7ed-439e-0129-08dba5f014da 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:(13230031)(4636009)(39860400002)(376002)(136003)(346002)(396003)(1800799009)(186009)(451199024)(82310400011)(40470700004)(36840700001)(46966006)(6666004)(2616005)(1076003)(40480700001)(40460700003)(5660300002)(86362001)(2906002)(44832011)(4326008)(110136005)(36756003)(41300700001)(8676002)(8936002)(54906003)(70206006)(70586007)(316002)(82740400003)(81166007)(356005)(478600001)(83380400001)(36860700001)(47076005)(26005)(426003)(336012)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Aug 2023 04:51:16.2372 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4de1a6ec-a7ed-439e-0129-08dba5f014da 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: CY4PEPF0000EE3F.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB8375 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series provides sysfs interface to - enable and disable of cdx bus - reset all the devices on cdx bus - subsystem, class and revision for cdx device Changes in v4: - Make ida as static - Imrpove commit message - Add sparse markings for the lock. Changes in v3: - Remove local cdx controller list from cdx bus system and instead use platform bus to locate controller - Use ida to allocate unique id for registered controller Changes in v2: - Introduce lock to protect controller ops - Split sysfs entry enable to enable and disable - sysfs entry enable and disable take bus number as an argument - sysfs entry reset takes bus number as an argument Abhijit Gangurde (5): cdx: Remove cdx controller list from cdx bus system cdx: Introduce lock to protect controller ops cdx: add support for bus enable and disable cdx: add sysfs for bus reset cdx: add sysfs for subsystem, class and revision Documentation/ABI/testing/sysfs-bus-cdx | 87 ++++++++++ drivers/cdx/cdx.c | 218 ++++++++++++++++++++++-- drivers/cdx/cdx.h | 8 + drivers/cdx/controller/cdx_controller.c | 50 ++++++ drivers/cdx/controller/mc_cdx_pcol.h | 54 ++++++ drivers/cdx/controller/mcdi_functions.c | 31 ++++ drivers/cdx/controller/mcdi_functions.h | 18 ++ include/linux/cdx/cdx_bus.h | 41 ++++- include/linux/mod_devicetable.h | 10 ++ scripts/mod/devicetable-offsets.c | 4 + scripts/mod/file2alias.c | 8 + 11 files changed, 513 insertions(+), 16 deletions(-) -- 2.25.1