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Tue, 17 Oct 2023 11:05:34 -0500 From: Abhijit Gangurde To: , , CC: , , , , , Abhijit Gangurde Subject: [PATCH v7 0/7] cdx: provide sysfs interface for cdx device resources Date: Tue, 17 Oct 2023 21:34:58 +0530 Message-ID: <20231017160505.10640-1-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: SN1PEPF000252A3:EE_|SN7PR12MB6742:EE_ X-MS-Office365-Filtering-Correlation-Id: d3ea624e-377b-4000-88db-08dbcf2aec5d 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)(136003)(39860400002)(396003)(376002)(346002)(230922051799003)(186009)(1800799009)(82310400011)(64100799003)(451199024)(46966006)(36840700001)(40470700004)(40460700003)(70206006)(70586007)(110136005)(316002)(54906003)(40480700001)(1076003)(36756003)(426003)(83380400001)(82740400003)(356005)(81166007)(47076005)(86362001)(2616005)(36860700001)(478600001)(6666004)(41300700001)(44832011)(5660300002)(336012)(26005)(2906002)(8676002)(4326008)(8936002)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Oct 2023 16:05:46.3716 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d3ea624e-377b-4000-88db-08dbcf2aec5d 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: SN1PEPF000252A3.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB6742 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 v7: - Create symbol namespaces for cdx subsystem 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 (7): cdx: Remove cdx controller list from cdx bus system cdx: Introduce lock to protect controller ops cdx: Create symbol namespaces for cdx subsystem 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/Makefile | 2 + drivers/cdx/cdx.c | 264 +++++++++++++++++++++--- drivers/cdx/cdx.h | 22 +- drivers/cdx/controller/cdx_controller.c | 20 ++ drivers/cdx/controller/mc_cdx_pcol.h | 54 +++++ drivers/cdx/controller/mcdi_functions.c | 31 +++ drivers/cdx/controller/mcdi_functions.h | 18 ++ drivers/vfio/cdx/main.c | 1 + include/linux/cdx/cdx_bus.h | 41 +++- include/linux/mod_devicetable.h | 10 + scripts/mod/devicetable-offsets.c | 4 + scripts/mod/file2alias.c | 8 + 13 files changed, 506 insertions(+), 35 deletions(-) -- 2.34.1