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Fri, 13 Oct 2023 01:09:09 -0500 From: Abhijit Gangurde To: , , CC: , , , , , Abhijit Gangurde Subject: [PATCH v6 0/6] cdx: provide sysfs interface for cdx device resources Date: Fri, 13 Oct 2023 11:38:44 +0530 Message-ID: <20231013060850.424929-1-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: MN1PEPF0000ECD7:EE_|DM4PR12MB6400:EE_ X-MS-Office365-Filtering-Correlation-Id: 47122eda-ef47-4750-97fc-08dbcbb2ed72 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:SATLEXMB03.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(4636009)(396003)(346002)(136003)(39860400002)(376002)(230922051799003)(82310400011)(186009)(64100799003)(1800799009)(451199024)(40470700004)(46966006)(36840700001)(2906002)(8936002)(4326008)(8676002)(5660300002)(70586007)(70206006)(54906003)(110136005)(316002)(478600001)(41300700001)(44832011)(6666004)(2616005)(40460700003)(26005)(47076005)(336012)(36860700001)(83380400001)(40480700001)(426003)(1076003)(36756003)(82740400003)(86362001)(81166007)(356005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Oct 2023 06:09:15.1072 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 47122eda-ef47-4750-97fc-08dbcbb2ed72 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=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000ECD7.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6400 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 v6: - Register cdx bus on cdx subsystem - Remove bus attributes enable, disable and reset - Add new device attributes enable visible only for bus device. - Use reset attribute of cdx device for bus reset. Changes in v5: - Rebased on Linux 6.6 Changes in v4: - Make ida as static - Improve 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 (6): cdx: Remove cdx controller list from cdx bus system cdx: Introduce lock to protect controller ops cdx: Register cdx bus as a device on cdx subsystem 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 | 66 +++++- drivers/cdx/cdx.c | 258 +++++++++++++++++++++--- drivers/cdx/cdx.h | 22 +- drivers/cdx/controller/cdx_controller.c | 19 ++ 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, 499 insertions(+), 32 deletions(-) -- 2.34.1