From patchwork Sun Mar 20 15:55:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kumar Kartikeya Dwivedi X-Patchwork-Id: 12786561 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 631C4C433F5 for ; Sun, 20 Mar 2022 15:56:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245420AbiCTP5W (ORCPT ); Sun, 20 Mar 2022 11:57:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50480 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245415AbiCTP5V (ORCPT ); Sun, 20 Mar 2022 11:57:21 -0400 Received: from mail-pl1-x643.google.com (mail-pl1-x643.google.com [IPv6:2607:f8b0:4864:20::643]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6ADE54188 for ; Sun, 20 Mar 2022 08:55:58 -0700 (PDT) Received: by mail-pl1-x643.google.com with SMTP id d18so10792109plr.6 for ; Sun, 20 Mar 2022 08:55:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=pZfLmYbolHwmqXMfr7nqaaE34g3CnbTOWtScfGan094=; b=BrDwSz1lGS0KMZSQbROcqoOPNIAd6cd07xLHzZKwkW2k4h4G+mm9Wrj7swH1CV9v6n zo1iti3WpipaSfNmk2jAS5Cq2D/TO+vP0WIjThSuTM8zcdHICtAw/nRseV3Lvj9SVQkx 7W0zjXyOyv/Bhl4Gr+1Tj9nbo24tQMfQK/vtdPxwANOZlaKIgYdeCW8D6AdYOLu0n0Do cl7PYCv+dvzRUk17HYmy1DVIya58ugM/e/Q+T639lkXBfsLdHziOM2+ie2sE0yjdAaDs PpRpU5uSVH2cK4UCyWGavM9DaInc8Y+S5FPp9HBuAcaOK7/InN2anNNXn1PmlT220wF7 JvuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=pZfLmYbolHwmqXMfr7nqaaE34g3CnbTOWtScfGan094=; b=e+dJi2x7Y7IdSiBDr4JnBhkjIXzoJgnHXXyvOFyFmyaI92T/1cA4ci/GOdhUC/A7zU bDbTY4G3UjlSkp9+1sMy5a5/ogEX2y6uS/SDEelnawzNg41ljgHXlcZgDWHUhAsGhFX8 71kWfKCkTcUxgR9lyTMy49kBBI7RmJYhgAHhgg2+riENCea3MTBU33InZ5ye9YzRkqFv qou60yzS31Vt7b5ABHoU5QViHN3+f2jG0o3BETZGu9LdzaSnMouD3gMX39h+2XPQDgdG zIvSFo8TSIeFe/aggeCll14RLvz+yj+vLV3pFACjVkBbIo3BQIW6bhzDl7orcvOIRA3n PhgA== X-Gm-Message-State: AOAM531TMO9PtrWScZapVGMJWf+XYDmcGe2aCAJSij/Ab8LACxub+KeL JiH9S4tiPH1NEaAtrMtZnsVVfkBWVyE= X-Google-Smtp-Source: ABdhPJxEuWA9N/Ym2yNCQbI9ehYzm50+vjXhDmHvmJmcoG404U+lYYuKFJeIPUjRirBw8ecTR4859w== X-Received: by 2002:a17:902:8b87:b0:14b:47b3:c0a2 with SMTP id ay7-20020a1709028b8700b0014b47b3c0a2mr8957654plb.51.1647791758279; Sun, 20 Mar 2022 08:55:58 -0700 (PDT) Received: from localhost ([14.139.187.71]) by smtp.gmail.com with ESMTPSA id m17-20020a17090a7f9100b001b9e4d62ed0sm17336506pjl.13.2022.03.20.08.55.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Mar 2022 08:55:58 -0700 (PDT) From: Kumar Kartikeya Dwivedi To: bpf@vger.kernel.org Cc: Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , =?utf-8?q?Toke_H=C3=B8iland-J=C3=B8?= =?utf-8?q?rgensen?= , Jesper Dangaard Brouer Subject: [PATCH bpf-next v3 11/13] libbpf: Add kptr type tag macros to bpf_helpers.h Date: Sun, 20 Mar 2022 21:25:08 +0530 Message-Id: <20220320155510.671497-12-memxor@gmail.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220320155510.671497-1-memxor@gmail.com> References: <20220320155510.671497-1-memxor@gmail.com> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=907; h=from:subject; bh=dtVrckouAMHnmEAd4Rr2OdBAilXX+AUoTjGvaGbi9os=; b=owEBbQKS/ZANAwAIAUzgyIZIvxHKAcsmYgBiN00ysrejQAaub14DT4bq6Zig06TX+s1CkhTq0CzC 8ntkqcuJAjMEAAEIAB0WIQRLvip+Buz51YI8YRFM4MiGSL8RygUCYjdNMgAKCRBM4MiGSL8RylDqD/ 476zJfYd3lkGWpUG5RTaArkBIkbPvBL7Fh5e2VR1SlYRJwamRhArVY04KaO8I0bLOM3Uiyl4+npsma FibxdZzJSKThEmt6xea7fFJAA4HZG4AZo/RFaz9EL1yBZF57iDzliG7ngGMWlBhcxLeGgYFDCf4rMO shnJ3FnB93pFg8L+QCFi881ZCg5TqAi2UiHHL6RZ6TjGsSTNV1idK7wRCGXnv0pcBWlbd9IosuQmII L36HbtSspS98vY4FSWUfdczHWj0gd92bvFbszIBOg9rI4kPjKUvkWLOLuQYNZvMemQPEVpTKd7NH8n nuSB1R8EbzlDLmDDWwy94SrqG0DGim1dyaomdXINE8XRIeeeqDyyleRLGZwnyWcWLzmYNx6wuR94yw /pkRgUauiBKDyCM5JIquD7hJ8tEzeiBpQ3JZTQ3bb+ArDpGqBfbjBvxxpa5azn3er3Y0UE3bRoAsZe bt5KUXx9GzLt6tckUKFf3XUIFxW9wvZwSxzVu7t6TmF9n0T0VAUPopEyRfeO1Y9lXRjd1Hb+7asdFR gh+FKVITUcw5q7EWZYNb/v2EuLDVnkIjYyzWKleK1txTO6vtpnoq+Lj+kbgj8uLG2xBsnF09ZNTwC/ /VYqoV0NFFA8mrHBP/KuaHJ1jgucEsTo+zoLwfjZ3WagujrUrokZEjLi6qXA== X-Developer-Key: i=memxor@gmail.com; a=openpgp; fpr=4BBE2A7E06ECF9D5823C61114CE0C88648BF11CA Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net Include convenience definitions: __kptr: Unreferenced BTF ID pointer __kptr_ref: Referenced BTF ID pointer Users can use them to tag the pointer type meant to be used with the new support directly in the map value definition. Signed-off-by: Kumar Kartikeya Dwivedi --- tools/lib/bpf/bpf_helpers.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h index 44df982d2a5c..bbae9a057bc8 100644 --- a/tools/lib/bpf/bpf_helpers.h +++ b/tools/lib/bpf/bpf_helpers.h @@ -149,6 +149,8 @@ enum libbpf_tristate { #define __kconfig __attribute__((section(".kconfig"))) #define __ksym __attribute__((section(".ksyms"))) +#define __kptr __attribute__((btf_type_tag("kptr"))) +#define __kptr_ref __attribute__((btf_type_tag("kptr_ref"))) #ifndef ___bpf_concat #define ___bpf_concat(a, b) a ## b