From mboxrd@z Thu Jan 1 00:00:00 1970 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 D4CFAC54EE9 for ; Tue, 27 Sep 2022 18:24:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231627AbiI0SYQ (ORCPT ); Tue, 27 Sep 2022 14:24:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43000 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231293AbiI0SYP (ORCPT ); Tue, 27 Sep 2022 14:24:15 -0400 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 40B91106511 for ; Tue, 27 Sep 2022 11:24:14 -0700 (PDT) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-349e6acbac9so98828717b3.2 for ; Tue, 27 Sep 2022 11:24:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date; bh=hW2QxEBEOmjvzo0GbBfxTe7MyGxNoyV/eslZfaDgl3o=; b=hprAO3fh8xc5XlaK33kmXB/B/OMejzJo8PONZhLhfjfJhOZZaU4B+ZiO9awH2Kv7ZP 6fjJwDefPN/PAdMCAVL+Ha95OSC9hDtkfdPlrwk7q68zwUZ6rHF3025nOienDD2ejBKd FbJ2cgY9SHwvOKdmTypdeH0CafgU3IMXYDjTeYV/wR6WZKAiGrc09JwL40PHNuPXfucF mWEIXlcgt7nm8TtHWNlv0Oyb4MPdG7eSgB6FfSPjWaUhubRAyAFXH1QuXsf2iRvbnt+p ArkWjGwP9h2jNnZGXKu7wJYJw6NRSDoLc6fm+UC7Q5V1t77h2uTmLstxmdpwUBXltR3R H0Uw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date; bh=hW2QxEBEOmjvzo0GbBfxTe7MyGxNoyV/eslZfaDgl3o=; b=f+xOLI3KNwpWCVZIhLOnpI6Nqb3tAX94AVWvvhBsvuc1J00hU2vrC3xsPBpjWhK5Qq tzl88ZN+AnIKJuIeR12zCH2e6LPb+S/G98IRGS8VDZBj6TRUKbBGbttcKnkMPyOCoL5/ RjknFylWLyA3mUqGTltlAkrynbBDNOhOQH/DYUSQscu/2Ajmv/EcFgvhfQ7hxypi9HCJ fPWCFfOREEMw3LedS4AuC9PvR0d1ndoJROSdltxj708vqq9HhPss3zZt0HfN3gDbbevc MRYxhSvY6c5k6raZB83G7Og8RHlOhUmBFLe4g2b3fgQi8cKxSK+Ob03yp0EQTz/Kg7um YLPw== X-Gm-Message-State: ACrzQf20FUY8mBfhRHX7dikfzTJXDMbbIacRNMrlgEkyiyjBnag9rWFT /x4KEcbtHTLcIuc1B9YvZRzFw6RxhoVbCkeFCmeRqgQd4De/3FCQRXjax0oOZfhGvPVT4Nbb310 0nIOVzrvnZAni0+0Kz3bch3BovboX5nUG0cpRUgi2ig3XwdNrm7vxaINYaeKi2AcsQT+s X-Google-Smtp-Source: AMsMyM7CxE4k6fF6Iyjsg/gBG8uRIP4vauuozKOp9wI8x56Q+n5YEPkOo/tJsTs1T+gotJy4ZztnqupLik51UHaX X-Received: from pnaduthota.c.googlers.com ([fda3:e722:ac3:cc00:20:ed76:c0a8:4e5]) (user=pnaduthota job=sendgmr) by 2002:a05:6902:1088:b0:6b0:2054:7dfd with SMTP id v8-20020a056902108800b006b020547dfdmr27134915ybu.163.1664303053450; Tue, 27 Sep 2022 11:24:13 -0700 (PDT) Date: Tue, 27 Sep 2022 18:23:45 +0000 In-Reply-To: <20220927182345.149171-1-pnaduthota@google.com> Mime-Version: 1.0 References: <20220927182345.149171-1-pnaduthota@google.com> X-Mailer: git-send-email 2.37.3.998.g577e59143f-goog Message-ID: <20220927182345.149171-3-pnaduthota@google.com> Subject: [PATCH bpf 2/2] Add selftests for devmap pinning From: Pramukh Naduthota To: bpf@vger.kernel.org Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, song@kernel.org, yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com, haoluo@google.com, jolsa@kernel.org, Pramukh Naduthota Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Add a test for devmap pinning. Signed-off-by: Pramukh Naduthota --- .../testing/selftests/bpf/prog_tests/devmap.c | 21 +++++++++++++++++++ .../selftests/bpf/progs/test_pinned_devmap.c | 17 +++++++++++++++ 2 files changed, 38 insertions(+) create mode 100644 tools/testing/selftests/bpf/prog_tests/devmap.c create mode 100644 tools/testing/selftests/bpf/progs/test_pinned_devmap.c diff --git a/tools/testing/selftests/bpf/prog_tests/devmap.c b/tools/testing/selftests/bpf/prog_tests/devmap.c new file mode 100644 index 000000000000..735333d3ac07 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/devmap.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2022 Google +#include "testing_helpers.h" +#include "test_progs.h" +#include "test_pinned_devmap.skel.h" +#include "test_pinned_devmap_rdonly_prog.skel.h" + +void test_devmap_pinning(void) +{ + struct test_pinned_devmap *ptr; + + ASSERT_OK_PTR(ptr = test_pinned_devmap__open_and_load(), "first load"); + test_pinned_devmap__destroy(ptr); + ASSERT_OK_PTR(test_pinned_devmap__open_and_load(), "re-load"); +} + +void test_devmap(void) +{ + if (test__start_subtest("pinned_devmap")) + test_devmap_pinning(); +} diff --git a/tools/testing/selftests/bpf/progs/test_pinned_devmap.c b/tools/testing/selftests/bpf/progs/test_pinned_devmap.c new file mode 100644 index 000000000000..63879de18ad3 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_pinned_devmap.c @@ -0,0 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2022 Google */ +#include +#include +#include +#include + +struct { + __uint(type, BPF_MAP_TYPE_DEVMAP_HASH); + __uint(max_entries, 32); + __type(key, int); + __type(value, int); + __uint(pinning, LIBBPF_PIN_BY_NAME); +} dev_map SEC(".maps"); + + +char _license[] SEC("license") = "GPL"; -- 2.30.2