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X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: GuTO/qnQLerfw1CloT9xyhO12kpyJG7FNmQMwkq3icBnGZgdMUC2byrtbAu5XWQnYoSRkUEHZdbalpZI4AEOPamDF27b6C/+rStzmz8FHfxknyUOZxBHCnF7XkGfQrZ2aMMl/0rmm9M7yYXQnVC/Nuddoc8th/llk+HynvFejvPD4wq5kodA53m+gALzXFmXTtAgG55viO01+BqXA9elVTxCs6/Fau0DopcA1Y/jRiW5GXu/1sg0qVdMz8dzD0PwFbdn9Ao4MgxnfhEjZDqsOazICTZWJ7+VuPhnLSf3XE7Rpxrr8X0JBonetEqXdwCPjgTNou/g71aGXK1IiS1hMQ== X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM0PR05MB4866.eurprd05.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(396003)(39860400002)(346002)(136003)(376002)(366004)(8936002)(36756003)(1076003)(54906003)(4326008)(26005)(52116002)(2616005)(956004)(316002)(6506007)(478600001)(16526019)(66946007)(86362001)(6512007)(8676002)(66476007)(66556008)(186003)(6486002)(5660300002)(2906002)(6666004); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: d09f02aa-dca0-4627-ead7-08d82fdf5d34 X-MS-Exchange-CrossTenant-AuthSource: AM0PR05MB4866.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Jul 2020 14:39:26.5784 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: MX8NYIkbqzBf8Bv8njvrRKTmG8hwav7U+d7asVU98jYcyPI3aproKiMHUEY8kiXG8FOoE/C/89umea2bB1u4Ag== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR05MB4962 Subject: [dpdk-dev] [PATCH v10 01/10] eal: introduce macro for bit definition X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org> There are several drivers which duplicate bit generation macro. Introduce a generic bit macros so that such drivers avoid redefining same in multiple drivers. Signed-off-by: Parav Pandit <parav@mellanox.com> Acked-by: Matan Azrad <matan@mellanox.com> Acked-by: Morten Brørup <mb@smartsharesystems.com> --- Changelog: v4->v5: - Addressed comments from Morten Brørup - Renamed newly added macro to RTE_BIT64 - Added doxygen comment section for the macro v1->v2: - Addressed comments from Thomas and Gaten. - Avoided new file, added macro to rte_bitops.h --- lib/librte_eal/include/rte_bitops.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/lib/librte_eal/include/rte_bitops.h b/lib/librte_eal/include/rte_bitops.h index 740927f3b..ca46a110f 100644 --- a/lib/librte_eal/include/rte_bitops.h +++ b/lib/librte_eal/include/rte_bitops.h @@ -17,6 +17,14 @@ #include <rte_debug.h> #include <rte_compat.h> +/** + * Get the uint64_t value for a specified bit set. + * + * @param nr + * The bit number in range of 0 to 63. + */ +#define RTE_BIT64(nr) (UINT64_C(1) << (nr)) + /*------------------------ 32-bit relaxed operations ------------------------*/ /** -- 2.26.2