From patchwork Wed Sep 27 15:39:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 726899 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 5295CE82CAA for ; Wed, 27 Sep 2023 16:02:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232196AbjI0QCZ (ORCPT ); Wed, 27 Sep 2023 12:02:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56802 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231758AbjI0QCV (ORCPT ); Wed, 27 Sep 2023 12:02:21 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0FF5D19AF for ; Wed, 27 Sep 2023 08:39:18 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:672:46bd:3ec7:6cdf]) (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 74BA86607033; Wed, 27 Sep 2023 16:39:11 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1695829151; bh=Y2gbG+boVVeeKfICziMDXKerkrooR8u3fnUjSelh5ps=; h=From:To:Cc:Subject:Date:From; b=HTLRqfIdn2ys3ZUrq525oQ1uQ/oeui/ivJybg7vJzGNA+ZO2N1YRIZ5ngR/v4qllO g7ksZWLlXCi9qnfHSkXB0sIXxVqLflkz0X1UjWlzKvjg9XJKe21kwLBHWohny0Q87y 6bvB8mLqOxTH96O4qltjSrdI5WVVKc1MUwnExs7v92YR/ChXPEtTE36ZtmHrVIB6Gy fFr8EGM3YlT/3r9wUPXPbvbTNd6aezVKlLamrgFHXDqQx/tAn4v5vDPWCvjVZDeiko 7sPliROJB8qqzsM3aNAxivmmk3463R3Asz3qV5fWW47IsN5S5tsz/9IXHEkdAIde4v 92XKBfg3jwp4A== From: Benjamin Gaignard To: hverkuil-cisco@xs4all.nl, mchehab@kernel.org, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v2 1/2] v4l2-compliance: Test queue maximum buffers allocation Date: Wed, 27 Sep 2023 17:39:06 +0200 Message-Id: <20230927153907.159496-1-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org If V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS is set v4l2_create_buffers max_buffers field reports the maximum number of buffers supported by the queue. Add a test to allocate this maximum value and make sure that one more allocation is failing. Display the flag in v4l2-ctl. Signed-off-by: Benjamin Gaignard --- include/linux/videodev2.h | 7 +++- utils/common/cv4l-helpers.h | 1 + utils/common/v4l-helpers.h | 5 +++ utils/common/v4l2-info.cpp | 1 + utils/v4l2-compliance/v4l2-compliance.cpp | 1 + utils/v4l2-compliance/v4l2-compliance.h | 1 + utils/v4l2-compliance/v4l2-test-buffers.cpp | 39 ++++++++++++++++++++- 7 files changed, 53 insertions(+), 2 deletions(-) diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index c19441a1..ac5d2980 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -986,6 +986,7 @@ struct v4l2_requestbuffers { #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) +#define V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS (1 << 7) /** * struct v4l2_plane - plane info for multi-planar buffers @@ -2531,6 +2532,9 @@ struct v4l2_dbg_chip_info { * @flags: additional buffer management attributes (ignored unless the * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability * and configured for MMAP streaming I/O). + * @max_buffers: if V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS capability flag is set + * this field indicate the maximum possible number of buffers + * for this queue. * @reserved: future extensions */ struct v4l2_create_buffers { @@ -2540,7 +2544,8 @@ struct v4l2_create_buffers { struct v4l2_format format; __u32 capabilities; __u32 flags; - __u32 reserved[6]; + __u32 max_buffers; + __u32 reserved[5]; }; /* diff --git a/utils/common/cv4l-helpers.h b/utils/common/cv4l-helpers.h index 91a04146..5a515a13 100644 --- a/utils/common/cv4l-helpers.h +++ b/utils/common/cv4l-helpers.h @@ -743,6 +743,7 @@ public: unsigned g_type() const { return v4l_queue_g_type(this); } unsigned g_memory() const { return v4l_queue_g_memory(this); } unsigned g_buffers() const { return v4l_queue_g_buffers(this); } + unsigned g_max_buffers() const { return v4l_queue_g_max_buffers(this); } unsigned g_num_planes() const { return v4l_queue_g_num_planes(this); } unsigned g_capabilities() const { return v4l_queue_g_capabilities(this); } unsigned g_length(unsigned plane) const { return v4l_queue_g_length(this, plane); } diff --git a/utils/common/v4l-helpers.h b/utils/common/v4l-helpers.h index f8e96d58..5853f753 100644 --- a/utils/common/v4l-helpers.h +++ b/utils/common/v4l-helpers.h @@ -1429,6 +1429,7 @@ struct v4l_queue { unsigned mappings; unsigned num_planes; unsigned capabilities; + unsigned max_buffers; __u32 lengths[VIDEO_MAX_PLANES]; __u32 mem_offsets[VIDEO_MAX_FRAME][VIDEO_MAX_PLANES]; @@ -1453,6 +1454,7 @@ static inline void v4l_queue_init(struct v4l_queue *q, static inline unsigned v4l_queue_g_type(const struct v4l_queue *q) { return q->type; } static inline unsigned v4l_queue_g_memory(const struct v4l_queue *q) { return q->memory; } static inline unsigned v4l_queue_g_buffers(const struct v4l_queue *q) { return q->buffers; } +static inline unsigned v4l_queue_g_max_buffers(const struct v4l_queue *q) { return q->max_buffers; } static inline unsigned v4l_queue_g_mappings(const struct v4l_queue *q) { return q->mappings; } static inline unsigned v4l_queue_g_num_planes(const struct v4l_queue *q) { return q->num_planes; } static inline unsigned v4l_queue_g_capabilities(const struct v4l_queue *q) { return q->capabilities; } @@ -1587,6 +1589,9 @@ static inline int v4l_queue_create_bufs(struct v4l_fd *f, if (ret) return ret; q->capabilities = createbufs.capabilities; + q->max_buffers = 32; + if (q->capabilities & V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS) + q->max_buffers = createbufs.max_buffers; q->buffers += createbufs.count; return v4l_queue_querybufs(f, q, q->buffers - createbufs.count); } diff --git a/utils/common/v4l2-info.cpp b/utils/common/v4l2-info.cpp index 4f8c2aa7..7adfedfc 100644 --- a/utils/common/v4l2-info.cpp +++ b/utils/common/v4l2-info.cpp @@ -206,6 +206,7 @@ static constexpr flag_def bufcap_def[] = { { V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS, "orphaned-bufs" }, { V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF, "m2m-hold-capture-buf" }, { V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS, "mmap-cache-hints" }, + { V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS, "set-max-bufs" }, { 0, nullptr } }; diff --git a/utils/v4l2-compliance/v4l2-compliance.cpp b/utils/v4l2-compliance/v4l2-compliance.cpp index f62016e5..56190448 100644 --- a/utils/v4l2-compliance/v4l2-compliance.cpp +++ b/utils/v4l2-compliance/v4l2-compliance.cpp @@ -1448,6 +1448,7 @@ 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))); // 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 7caf254b..4886e4c8 100644 --- a/utils/v4l2-compliance/v4l2-compliance.h +++ b/utils/v4l2-compliance/v4l2-compliance.h @@ -383,6 +383,7 @@ int testReqBufs(struct node *node); int testReadWrite(struct node *node); int testExpBuf(struct node *node); int testBlockingWait(struct node *node); +int testCreateBufsMax(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 6d592c9b..b595d1d1 100644 --- a/utils/v4l2-compliance/v4l2-test-buffers.cpp +++ b/utils/v4l2-compliance/v4l2-test-buffers.cpp @@ -634,7 +634,6 @@ int testReqBufs(struct node *node) fail_on_test(testQueryBuf(node, i, q.g_buffers())); node->valid_memorytype |= 1 << V4L2_MEMORY_DMABUF; } - /* * It should be possible to set the same std, timings or * native size even after reqbufs was called. @@ -761,6 +760,44 @@ int testReqBufs(struct node *node) return 0; } +int testCreateBufsMax(struct node *node) +{ + unsigned int i; + int ret; + + node->reopen(); + + cv4l_queue q(0, 0); + + for (i = 1; i <= V4L2_BUF_TYPE_LAST; i++) { + if (!(node->valid_buftypes & (1 << i))) + continue; + + q.init(i, V4L2_MEMORY_USERPTR); + ret = q.create_bufs(node, 1); + if (!ret && (q.g_capabilities() & V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS)) { + fail_on_test(q.create_bufs(node, q.g_max_buffers() - q.g_buffers())); + fail_on_test(q.create_bufs(node, 1) != ENOBUFS); + } + + q.init(i, V4L2_MEMORY_MMAP); + ret = q.create_bufs(node, 1); + if (!ret && (q.g_capabilities() & V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS)) { + fail_on_test(q.create_bufs(node, q.g_max_buffers() - q.g_buffers())); + fail_on_test(q.create_bufs(node, 1) != ENOBUFS); + } + + q.init(i, V4L2_MEMORY_DMABUF); + ret = q.create_bufs(node, 1); + if (!ret && (q.g_capabilities() & V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS)) { + fail_on_test(q.create_bufs(node, q.g_max_buffers() - q.g_buffers())); + fail_on_test(q.create_bufs(node, 1) != ENOBUFS); + } + } + + return 0; +} + int testExpBuf(struct node *node) { bool have_expbuf = false; From patchwork Wed Sep 27 15:39:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 729569 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 40470E82CA5 for ; Wed, 27 Sep 2023 15:51:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232634AbjI0PvL (ORCPT ); Wed, 27 Sep 2023 11:51:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39086 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232868AbjI0Puy (ORCPT ); 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(unknown [IPv6:2a01:e0a:120:3210:672:46bd:3ec7:6cdf]) (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 BFC55660730F; Wed, 27 Sep 2023 16:39:11 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1695829151; bh=CX/eU5f+mbxPJMgZg9RsorMEE1rtt98Wr5Z44+MNq6k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G5sF76kHIcwXSKifgYaJTnlC7Da46XmMGNVj9lx39NeQm+a3aC3E/ybwzz6Qrz4v7 oHbLrp/WuXwIwDhIjhH4PypM1BUv5q+CJ0v5X94KbLIcye8jqqthgNWhNQwO7Bp9Gl Dmfa/SxxA/vAwWNlAOjrxZ1d6H2FU1s5qSotfGBhFMLSMR9Wryqh/5YhDLX4DBISW+ 1ooenGKR8ZHHfzwcoXPf64Kx4vQkYpryfBzBGEO8+ZwI6goPSUYB61NGaEXzEoRNev nnbLq1uw/6PzeOIdBXmfea975T2WtZxPqzb2ghWdGRURhfCgzfKnYr3GmLGH2sc2id iEgsEflFjacSw== From: Benjamin Gaignard To: hverkuil-cisco@xs4all.nl, mchehab@kernel.org, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v2 2/2] v4l2-compliance: Add a test for DELETE_BUF ioctl Date: Wed, 27 Sep 2023 17:39:07 +0200 Message-Id: <20230927153907.159496-2-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230927153907.159496-1-benjamin.gaignard@collabora.com> References: <20230927153907.159496-1-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 --- version 2: - Rework test has suggested by Hans - Use V4L2_BUF_CAP_SUPPORTS_DELETE_BUFS capability flag - Only test MMAP buffer type. include/linux/videodev2.h | 17 ++++ 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 +++++++++++++++++++++ 6 files changed, 131 insertions(+) diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index ac5d2980..910163b4 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -987,6 +987,7 @@ struct v4l2_requestbuffers { #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) #define V4L2_BUF_CAP_SUPPORTS_SET_MAX_BUFS (1 << 7) +#define V4L2_BUF_CAP_SUPPORTS_DELETE_BUFS (1 << 8) /** * struct v4l2_plane - plane info for multi-planar buffers @@ -2548,6 +2549,21 @@ struct v4l2_create_buffers { __u32 reserved[5]; }; +/** + * struct v4l2_delete_buffers - VIDIOC_DELETE_BUFS argument + * @index: the first buffer to be deleted + * @count: number of buffers to delete + * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for + * multiplanar buffers); + * @reserved: futur extensions + */ +struct v4l2_delete_buffers { + __u32 index; + __u32 count; + __u32 type; + __u32 reserved[13]; +}; + /* * I O C T L C O D E S F O R V I D E O D E V I C E S * @@ -2647,6 +2663,7 @@ struct v4l2_create_buffers { #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) +#define VIDIOC_DELETE_BUFS _IOWR('V', 104, struct v4l2_delete_buffers) /* Reminder: when adding new ioctls please add support for them to drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 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 5853f753..ccac7d2e 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 56190448..54142168 100644 --- a/utils/v4l2-compliance/v4l2-compliance.cpp +++ b/utils/v4l2-compliance/v4l2-compliance.cpp @@ -1449,6 +1449,7 @@ 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 4886e4c8..e45c4548 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 b595d1d1..969d84c2 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 = { };