From patchwork Fri Jul 9 09:20:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergey Senozhatsky X-Patchwork-Id: 75654 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1m1mgW-00HFHc-K1; Fri, 09 Jul 2021 09:20:37 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231895AbhGIJXR (ORCPT + 1 other); Fri, 9 Jul 2021 05:23:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46034 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231875AbhGIJXR (ORCPT ); Fri, 9 Jul 2021 05:23:17 -0400 Received: from mail-pg1-x529.google.com (mail-pg1-x529.google.com [IPv6:2607:f8b0:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9A08BC0613DD for ; Fri, 9 Jul 2021 02:20:33 -0700 (PDT) Received: by mail-pg1-x529.google.com with SMTP id v7so9372725pgl.2 for ; Fri, 09 Jul 2021 02:20:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=m/swc7+7lVySzof/sdsgYxUu7VJv77g13+MHhwmBBDU=; b=EmV1PAszCqukIh3y5z7Bseav0IcZCCrOmEALNPI6ANACUfZ4k6jXhebEj4j/3FLhM1 d0CBDZIPRHv9zY/J2BiyUdbNW9/lnXT6NMh8LF4HD5T5EcJJJVw6uQXzfJSWD17dOk43 jeAB5bzEgtLzNTPlN34+W9cdyqyeU+ngUKjKM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=m/swc7+7lVySzof/sdsgYxUu7VJv77g13+MHhwmBBDU=; b=OJ3uD3AQiA8xqk06b7zFcgTSEdkleENt2b9Vslx/7Wup/7F7w/VQdRU60svLZaIHVM k8xonBdpp/3dmwW9MezAU66lOy6B6LjlRmzZnjF5hgcx3B/BcCH1YuzqSqKoT6ttKWX3 VgvQGgkOP5o3WsfXVAQsSwXCL3mJe833FgVQ7AGsgJ/jAHTk1nKOc8O7D9J0K8yewKCJ lq3495Ou9IMMlRYh1sVN856hJ25QeVso1rnD/LNjtz5m5rI3eTF65MtwDZ67+c2cE6ne ImvmygQSinfVw0D2n4xE/V2nYcoLUNUy2pckHgI1m1oI/++OiKn0oOJVG/zNgPdHKaIR Kf2w== X-Gm-Message-State: AOAM5315bi0guVejaIc9dCxN7af+dQBLP8SG2lDcFQutFoyMsBOCX3b+ MyOjPPtO3Ws4gh9Jege88gDPWQ== X-Google-Smtp-Source: ABdhPJw6wUc6kkUNtsJHgPuQ3GzNhExxzX4unjdeTvzUWOFQ3Mtmd+O3U8tZKxAhb4E7u7YhgihvAQ== X-Received: by 2002:a05:6a00:23c7:b029:323:3d55:68c0 with SMTP id g7-20020a056a0023c7b02903233d5568c0mr19683849pfc.2.1625822433149; Fri, 09 Jul 2021 02:20:33 -0700 (PDT) Received: from senozhatsky.flets-east.jp ([2409:10:2e40:5100:a30d:fc4:7834:ee08]) by smtp.gmail.com with ESMTPSA id e24sm5496539pfn.127.2021.07.09.02.20.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Jul 2021 02:20:32 -0700 (PDT) From: Sergey Senozhatsky To: Tomasz Figa , Hans Verkuil Cc: Ricardo Ribalda , Christoph Hellwig , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Sergey Senozhatsky Subject: [PATCHv3 0/8] videobuf2: support new noncontiguous DMA API Date: Fri, 9 Jul 2021 18:20:19 +0900 Message-Id: <20210709092027.1050834-1-senozhatsky@chromium.org> X-Mailer: git-send-email 2.32.0.93.g670b81a890-goog MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.5 (--) X-LSpam-Report: No, score=-2.5 required=5.0 tests=BAYES_00=-1.9,DKIMWL_WL_HIGH=0.001,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_NONE=-0.0001 autolearn=ham autolearn_force=no Hello, The series adds support for noncontiguous DMA API and V4L2_MEMORY_FLAG_NON_COHERENT UAPI. V2: https://lore.kernel.org/lkml/20210427131344.139443-1-senozhatsky@chromium.org/ v3: -- addressed review feedback Sergey Senozhatsky (8): videobuf2: rework vb2_mem_ops API videobuf2: inverse buffer cache_hints flags videobuf2: split buffer cache_hints initialisation videobuf2: move cache_hints handling to allocators videobuf2: add V4L2_MEMORY_FLAG_NON_COHERENT flag videobuf2: add queue memory coherency parameter videobuf2: handle V4L2_MEMORY_FLAG_NON_COHERENT flag videobuf2: handle non-contiguous DMA allocations .../userspace-api/media/v4l/buffer.rst | 40 +++- .../media/v4l/vidioc-create-bufs.rst | 7 +- .../media/v4l/vidioc-reqbufs.rst | 16 +- .../media/common/videobuf2/videobuf2-core.c | 127 ++++++++----- .../common/videobuf2/videobuf2-dma-contig.c | 173 ++++++++++++++---- .../media/common/videobuf2/videobuf2-dma-sg.c | 39 ++-- .../media/common/videobuf2/videobuf2-v4l2.c | 59 +++--- .../common/videobuf2/videobuf2-vmalloc.c | 30 +-- drivers/media/dvb-core/dvb_vb2.c | 2 +- drivers/media/v4l2-core/v4l2-compat-ioctl32.c | 9 +- drivers/media/v4l2-core/v4l2-ioctl.c | 4 +- include/media/videobuf2-core.h | 59 +++--- include/uapi/linux/videodev2.h | 11 +- 13 files changed, 396 insertions(+), 180 deletions(-)