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[23.128.96.18]) by mx.google.com with ESMTP id jx16si15723785ejc.661.2021.04.27.06.14.50; Tue, 27 Apr 2021 06:15:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=byznHgcO; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236346AbhD0NOg (ORCPT + 99 others); Tue, 27 Apr 2021 09:14:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37932 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235795AbhD0NOf (ORCPT ); Tue, 27 Apr 2021 09:14:35 -0400 Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 45EB2C061574 for ; Tue, 27 Apr 2021 06:13:52 -0700 (PDT) Received: by mail-pj1-x1029.google.com with SMTP id b14-20020a17090a6e0eb0290155c7f6a356so244060pjk.0 for ; Tue, 27 Apr 2021 06:13:52 -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=S4vbjByssd6HLTgZkW+s/ADJ80oqNfWlaEfAAN9smbw=; b=byznHgcOgbWs+gE8oZrFSW+BMJaNUcA+Hdj79LYIArT1bg+n+XnvasozZFP3SlvCz7 x4x0uNtInRSqsizHYOcZvw/fZP8ntrQK/UV7IsRRX/P3xWDjbn0FQkfv0ml1xdF5tFuv LcE92DqnALwM/U9UC/XWkKMZTS5FVgPoV3Oek= 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=S4vbjByssd6HLTgZkW+s/ADJ80oqNfWlaEfAAN9smbw=; b=Gha1xvGZnue4/e/dNRG+9nyL8UsjKhFWOGd7pbs6ChhipuoXmkj6sND0bWqejnzDF9 b/Mye1+XBLjL7w0hM3wfpYdKub8GmFQEeioJGhOGNKQhlOXeW8NWTvyOPE9J5nS6ksvD q3wUuJPA/a4rVqHmxo+/Om4yiV0Zx1dC87ciqYZBEur7+i7Yr+eDfXxVdMtR4NgxztKO KVCiirUvh3GydAGBwlZO5bKZZqTW9VZWLzceBZlBXfOfctT4rNkgFUWn/ZJK/+3BcSok RDGdnbAgS12IEYb9zYTYFP+Fc4RhrW0qjRdWujRiBWO3SkYGGipG1TyJCTS0xAdcX/Ue igpQ== X-Gm-Message-State: AOAM533NbEuEvqDY/FD/QM65JvGFO5nUNFDIRUZY06DAVR5VuYvWHKk5 M3PNSUs6lThAya/uN4CnmZv7MA== X-Received: by 2002:a17:90b:1d90:: with SMTP id pf16mr4952762pjb.72.1619529231879; Tue, 27 Apr 2021 06:13:51 -0700 (PDT) Received: from senozhatsky.flets-east.jp ([2409:10:2e40:5100:8192:3566:9cd4:8ed7]) by smtp.gmail.com with ESMTPSA id c8sm2755313pfp.160.2021.04.27.06.13.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Apr 2021 06:13:51 -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: [PATCHv2 0/8] videobuf2: support new noncontiguous DMA API Date: Tue, 27 Apr 2021 22:13:35 +0900 Message-Id: <20210427131344.139443-1-senozhatsky@chromium.org> X-Mailer: git-send-email 2.31.1.498.g6c1eba8ee3d-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, The series adds support for noncontiguous DMA API and adds V4L2_MEMORY_FLAG_NON_COHERENT UAPI. v2: -- addressed review feedback [0] (Hans, Tomasz) -- inverted and renamed vb2_queue.non_coherent_mem member. It's easier when we have vb2_queue.coherent_mem instead -- inverted and renamed the corresponding vb2_dc_buf.non_coherent_mem member, for pretty much same reason. IOW some semi-intrusive changes. [0] https://lore.kernel.org/lkml/20210302004624.31294-1-senozhatsky@chromium.org/ 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 | 17 +- .../media/common/videobuf2/videobuf2-core.c | 127 ++++++++----- .../common/videobuf2/videobuf2-dma-contig.c | 174 ++++++++++++++---- .../media/common/videobuf2/videobuf2-dma-sg.c | 39 ++-- .../media/common/videobuf2/videobuf2-v4l2.c | 56 +++--- .../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 | 5 +- include/media/videobuf2-core.h | 59 +++--- include/uapi/linux/videodev2.h | 11 +- 13 files changed, 395 insertions(+), 181 deletions(-) -- 2.31.1.498.g6c1eba8ee3d-goog