From patchwork Fri Oct 27 08:47:32 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13438387 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 94A62C25B6E for ; Fri, 27 Oct 2023 08:47:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345558AbjJ0Irs (ORCPT ); Fri, 27 Oct 2023 04:47:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345406AbjJ0Irp (ORCPT ); Fri, 27 Oct 2023 04:47:45 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ACD6E1BE for ; Fri, 27 Oct 2023 01:47:42 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:dbc0:3460:d466:3213]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 45B9E6607335; Fri, 27 Oct 2023 09:47:41 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1698396461; bh=JUI6Pwf+nusN9d5H1K+f90YSRzjfogTpTJOW1hqNQi8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bk2v0H0HmMauPBo7JfXUjNaiNffwuBCm1j0MtK8nAQii08HHJzVHKqIDLyQEQIU6z bSGZliqNVo7/DINA7ceQ5VnWKF9bkrv4lnTTWZW6sd9Of7SpGIFs5fwWQO6WD7PjlV 4VJmj6LsB5Z1nP+afDuWO+3Pe3vlCt8eP5Sx+iNIQeoBwZyT3xqWAlVI6mWpbOJbYP BfG6INW+4PXlENZSv9MHzc2Rf3DbwQZ3hAeuovz1kTsiE4hZU3gPvLY2E+eO1byOm4 0q2KF6dZrOka2OHF8ENS5OWvzZ/4aMcUbdbFGenSNUvS4p9KCWQMZyCZbTP3IzV09m diMPV4WNFPQ6Q== From: Benjamin Gaignard To: hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com, mchehab@kernel.org Cc: linux-media@vger.kernel.org, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v4 4/4] v4l2-compliance: Add a test for DELETE_BUFS ioctl Date: Fri, 27 Oct 2023 10:47:32 +0200 Message-Id: <20231027084732.17528-5-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231027084732.17528-1-benjamin.gaignard@collabora.com> References: <20231027084732.17528-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add new test for DELETE_BUFS ioctl. It create buffers and check if they could be removed from queue. It also check that removing non existing buffer or a queued buffer failed. Signed-off-by: Benjamin Gaignard --- utils/common/cv4l-helpers.h | 4 + utils/common/v4l-helpers.h | 17 ++++ utils/v4l2-compliance/v4l2-compliance.cpp | 1 + utils/v4l2-compliance/v4l2-compliance.h | 1 + utils/v4l2-compliance/v4l2-test-buffers.cpp | 91 +++++++++++++++++++++ 5 files changed, 114 insertions(+) diff --git a/utils/common/cv4l-helpers.h b/utils/common/cv4l-helpers.h index 5a515a13..10800ed2 100644 --- a/utils/common/cv4l-helpers.h +++ b/utils/common/cv4l-helpers.h @@ -760,6 +760,10 @@ public: { return v4l_queue_reqbufs(fd->g_v4l_fd(), this, count, flags); } + int delete_bufs(cv4l_fd *fd, unsigned index = 0, unsigned count = 0) + { + return v4l_queue_delete_bufs(fd->g_v4l_fd(), this, index, count); + } bool has_create_bufs(cv4l_fd *fd) const { return v4l_queue_has_create_bufs(fd->g_v4l_fd(), this); diff --git a/utils/common/v4l-helpers.h b/utils/common/v4l-helpers.h index 550ec377..81857b29 100644 --- a/utils/common/v4l-helpers.h +++ b/utils/common/v4l-helpers.h @@ -1510,6 +1510,23 @@ static inline void *v4l_queue_g_dataptr(const struct v4l_queue *q, unsigned inde return v4l_queue_g_mmapping(q, index, plane); } +static inline int v4l_queue_delete_bufs(struct v4l_fd *f, struct v4l_queue *q, unsigned index, unsigned count) +{ + struct v4l2_delete_buffers deletebufs; + int ret; + + memset(&deletebufs, 0, sizeof(deletebufs)); + deletebufs.type = q->type; + deletebufs.index = index; + deletebufs.count = count; + + ret = v4l_ioctl(f, VIDIOC_DELETE_BUFS, &deletebufs); + if (!ret) + q->buffers -= deletebufs.count; + + return ret; +} + static inline int v4l_queue_querybufs(struct v4l_fd *f, struct v4l_queue *q, unsigned from) { unsigned b, p; diff --git a/utils/v4l2-compliance/v4l2-compliance.cpp b/utils/v4l2-compliance/v4l2-compliance.cpp index a165ef5a..c1e519ea 100644 --- a/utils/v4l2-compliance/v4l2-compliance.cpp +++ b/utils/v4l2-compliance/v4l2-compliance.cpp @@ -1454,6 +1454,7 @@ void testNode(struct node &node, struct node &node_m2m_cap, struct node &expbuf_ printf("Buffer ioctls%s:\n", suffix); printf("\ttest VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: %s\n", ok(testReqBufs(&node))); printf("\ttest CREATE_BUFS maximum buffers: %s\n", ok(testCreateBufsMax(&node))); + printf("\ttest VIDIOC_DELETE_BUFS: %s\n", ok(testDeleteBufs(&node))); // Reopen after each streaming test to reset the streaming state // in case of any errors in the preceeding test. node.reopen(); diff --git a/utils/v4l2-compliance/v4l2-compliance.h b/utils/v4l2-compliance/v4l2-compliance.h index 4f9aa17e..9ec07494 100644 --- a/utils/v4l2-compliance/v4l2-compliance.h +++ b/utils/v4l2-compliance/v4l2-compliance.h @@ -384,6 +384,7 @@ int testReadWrite(struct node *node); int testExpBuf(struct node *node); int testBlockingWait(struct node *node); int testCreateBufsMax(struct node *node); +int testDeleteBufs(struct node *node); // 32-bit architecture, 32/64-bit time_t tests int testTime32_64(struct node *node); diff --git a/utils/v4l2-compliance/v4l2-test-buffers.cpp b/utils/v4l2-compliance/v4l2-test-buffers.cpp index 02ea498f..54fb66d9 100644 --- a/utils/v4l2-compliance/v4l2-test-buffers.cpp +++ b/utils/v4l2-compliance/v4l2-test-buffers.cpp @@ -529,6 +529,97 @@ static int testCanSetSameTimings(struct node *node) return 0; } +int testDeleteBufs(struct node *node) +{ + int ret; + unsigned i; + + node->reopen(); + + for (i = 1; i <= V4L2_BUF_TYPE_LAST; i++) { + struct v4l2_delete_buffers delbufs = { }; + + if (!(node->valid_buftypes & (1 << i))) + continue; + + cv4l_queue q(i, V4L2_MEMORY_MMAP); + + if (testSetupVbi(node, i)) + continue; + + q.init(i, V4L2_MEMORY_MMAP); + ret = q.create_bufs(node, 0); + fail_on_test_val(ret && ret != EINVAL, ret); + if (!(q.g_capabilities() & V4L2_BUF_CAP_SUPPORTS_DELETE_BUFS)) + continue; + + memset(&delbufs, 0xff, sizeof(delbufs)); + delbufs.index = 0; + delbufs.count = 0; + delbufs.type = q.g_type(); + fail_on_test(doioctl(node, VIDIOC_DELETE_BUFS, &delbufs)); + fail_on_test(check_0(delbufs.reserved, sizeof(delbufs.reserved))); + + if (!ret) { + unsigned buffers; + buffer buf(q); + + /* Create only 1 buffer */ + fail_on_test(q.create_bufs(node, 1)); + buffers = q.g_buffers(); + fail_on_test(buffers == 0); + /* Delete buffer index 1 must fail */ + fail_on_test(q.delete_bufs(node, 1, buffers) != EINVAL); + /* Delete buffer index 0 is valid */ + fail_on_test(q.delete_bufs(node, 0, buffers)); + /* Delete buffer index 0 again must fail */ + fail_on_test(q.delete_bufs(node, 0, 1) != EINVAL); + /* Create 3 buffers indexes 0 to 2 */ + fail_on_test(q.create_bufs(node, 3)); + /* Delete them one by one */ + fail_on_test(q.delete_bufs(node, 2, 1)); + fail_on_test(q.delete_bufs(node, 0, 1)); + fail_on_test(q.delete_bufs(node, 1, 1)); + /* Delete buffer index 0 again must fail */ + fail_on_test(q.delete_bufs(node, 0, 1) != EINVAL); + + /* Create 5 buffers indexes 0 to 4*/ + fail_on_test(q.create_bufs(node, 5)); + /* Delete buffers index 1 and 2 */ + fail_on_test(q.delete_bufs(node, 1, 2)); + /* Add 3 more buffers should be indexes 5 to 7*/ + fail_on_test(q.create_bufs(node, 3)); + /* Query buffers: + * 1 and 2 have been deleted they must fail + * 5 to 7 must exist*/ + fail_on_test(buf.querybuf(node, 1) != EINVAL); + fail_on_test(buf.querybuf(node, 2) != EINVAL); + fail_on_test(buf.querybuf(node, 5)); + fail_on_test(buf.querybuf(node, 6)); + fail_on_test(buf.querybuf(node, 7)); + /* Delete existing buffer index 7 with bad type must fail */ + memset(&delbufs, 0xff, sizeof(delbufs)); + delbufs.index = 7; + delbufs.count = 1; + delbufs.type = 0; + fail_on_test(doioctl(node, VIDIOC_DELETE_BUFS, &delbufs) != EINVAL); + + /* Delete crossing max allowed buffers boundary must fail */ + fail_on_test(q.delete_bufs(node, q.g_max_buffers() - 2, 8) != EINVAL); + + /* Delete overflow must fail */ + fail_on_test(q.delete_bufs(node, 3, 0xfffffff) != EINVAL); + + /* Create 2 buffers, that must fill the hole */ + fail_on_test(q.create_bufs(node, 2)); + /* Remove all buffers */ + fail_on_test(q.delete_bufs(node, 0, 8)); + } + } + + return 0; +} + int testReqBufs(struct node *node) { struct v4l2_create_buffers crbufs = { };