From: Yunfei Dong <yunfei.dong@mediatek.com>
To: "Jeffrey Kardatzke" <jkardatzke@google.com>,
"T . J . Mercier" <tjmercier@google.com>,
"John Stultz" <jstultz@google.com>,
"Yong Wu" <yong.wu@mediatek.com>,
"Nícolas F . R . A . Prado" <nfraprado@collabora.com>,
"Nicolas Dufresne" <nicolas.dufresne@collabora.com>,
"Hans Verkuil" <hverkuil-cisco@xs4all.nl>,
"AngeloGioacchino Del Regno"
<angelogioacchino.delregno@collabora.com>,
"Benjamin Gaignard" <benjamin.gaignard@collabora.com>,
"Nathan Hebert" <nhebert@chromium.org>
Cc: Chen-Yu Tsai <wenst@chromium.org>,
Hsin-Yi Wang <hsinyi@chromium.org>,
Fritz Koenig <frkoenig@chromium.org>,
Daniel Vetter <daniel@ffwll.ch>,
Steve Cho <stevecho@chromium.org>,
Yunfei Dong <yunfei.dong@mediatek.com>,
<linux-media@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
<Project_Global_Chrome_Upstream_Group@mediatek.com>
Subject: [PATCH v2,04/21] v4l: add documentation for secure memory flag
Date: Mon, 6 Nov 2023 20:04:06 +0800 [thread overview]
Message-ID: <20231106120423.23364-5-yunfei.dong@mediatek.com> (raw)
In-Reply-To: <20231106120423.23364-1-yunfei.dong@mediatek.com>
From: Jeffrey Kardatzke <jkardatzke@google.com>
Adds documentation for V4L2_MEMORY_FLAG_SECURE.
Signed-off-by: Jeffrey Kardatzke <jkardatzke@google.com>
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
---
Documentation/userspace-api/media/v4l/buffer.rst | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/Documentation/userspace-api/media/v4l/buffer.rst b/Documentation/userspace-api/media/v4l/buffer.rst
index 52bbee81c080..a5a7d1c72d53 100644
--- a/Documentation/userspace-api/media/v4l/buffer.rst
+++ b/Documentation/userspace-api/media/v4l/buffer.rst
@@ -696,7 +696,7 @@ enum v4l2_memory
.. _memory-flags:
-Memory Consistency Flags
+Memory Flags
------------------------
.. raw:: latex
@@ -728,6 +728,12 @@ Memory Consistency Flags
only if the buffer is used for :ref:`memory mapping <mmap>` I/O and the
queue reports the :ref:`V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS
<V4L2-BUF-CAP-SUPPORTS-MMAP-CACHE-HINTS>` capability.
+ * .. _`V4L2-MEMORY-FLAG-SECURE`:
+
+ - ``V4L2_MEMORY_FLAG_SECURE``
+ - 0x00000002
+ - DMA bufs passed into the queue will be validated to ensure they were
+ allocated from a secure dma-heap.
.. raw:: latex
--
2.18.0
next prev parent reply other threads:[~2023-11-06 12:04 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-06 12:04 [PATCH v2,00/21] add driver to support secure video decoder Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,01/21] v4l2: add secure memory flags Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,02/21] v4l2: handle secure memory flags in queue setup Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,03/21] v4l2: verify secure dmabufs are used in secure queue Yunfei Dong
2023-11-06 12:04 ` Yunfei Dong [this message]
2023-11-11 19:06 ` [PATCH v2,04/21] v4l: add documentation for secure memory flag Pavel Machek
2023-11-13 18:04 ` Jeffrey Kardatzke
2023-11-06 12:04 ` [PATCH v2,05/21] dma-buf: heaps: Deduplicate docs and adopt common format Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,06/21] dma-heap: Add proper kref handling on dma-buf heaps Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,07/21] dma-heap: Provide accessors so that in-kernel drivers can allocate dmabufs from specific heaps Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,08/21] media: mediatek: vcodec: add tee client interface to communiate with optee-os Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,09/21] media: mediatek: vcodec: allocate tee share memory Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,10/21] media: mediatek: vcodec: send share memory data to optee Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,11/21] media: mediatek: vcodec: initialize msg and vsi information Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,12/21] media: mediatek: vcodec: add interface to allocate/free secure memory Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,13/21] media: mediatek: vcodec: using shared memory as vsi address Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,14/21] media: mediatek: vcodec: Add capture format to support one plane memory Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,15/21] media: mediatek: vcodec: Add one plane format Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,16/21] media: medkatek: vcodec: support one plane capture buffer Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,17/21] media: medkatek: vcodec: re-construct h264 driver to support svp mode Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,18/21] media: medkatek: vcodec: remove parse nal_info in kernel Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,19/21] media: medkatek: vcodec: disable wait interrupt for svp mode Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,20/21] media: medkatek: vcodec: support tee decoder Yunfei Dong
2023-11-06 12:04 ` [PATCH v2,21/21] media: mediatek: vcodec: move vdec init interface to setup callback Yunfei Dong
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