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Mercier" , =?UTF-8?q?Christian=20K=C3=B6nig?= , Matthias Brugger , , , , , , , Subject: [PATCH v3,04/21] v4l: add documentation for secure memory flag Date: Wed, 6 Dec 2023 16:15:21 +0800 Message-ID: <20231206081538.17056-5-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231206081538.17056-1-yunfei.dong@mediatek.com> References: <20231206081538.17056-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--1.856300-8.000000 X-TMASE-MatchedRID: +AidzxpkJ38len1U/pCyeimjEOrcO6AyTJDl9FKHbrkGxREerP+37XVX 4shSYpPIU5vypzAbVDHw2zJ6wUH6fAzyMxeMEX6wFEUknJ/kEl7dB/CxWTRRu3aDLLDbFMGFulx dtyQZLh53HVPe88KdTDg/PKEqtQb3gHAX9tDTTwxXYbvoEL9Fh5eGzU7OKNA+t2s1xSAfRMhnhe wZo9ULByfMiHC5NEpshJVRlkc0uv5GBXoeyrLHXVBo425nomviD2TeXwRpghwOIqZ2uUSDWA== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--1.856300-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 6F2C690914310194B509D2CC4027E85D4837A1E2709D2F4C44AF927E89CD2DFB2000:8 X-MTK: N X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,UNPARSEABLE_RELAY autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Wed, 06 Dec 2023 00:16:46 -0800 (PST) From: Jeffrey Kardatzke Adds documentation for V4L2_MEMORY_FLAG_SECURE. Signed-off-by: Jeffrey Kardatzke Signed-off-by: Yunfei Dong --- 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 ` I/O and the queue reports the :ref:`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