From patchwork Tue Jul 27 07:05:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergey Senozhatsky X-Patchwork-Id: 487143 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF2ADC4338F for ; Tue, 27 Jul 2021 07:05:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8FD4E6112D for ; Tue, 27 Jul 2021 07:05:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235236AbhG0HFX (ORCPT ); Tue, 27 Jul 2021 03:05:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59406 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234803AbhG0HFX (ORCPT ); Tue, 27 Jul 2021 03:05:23 -0400 Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 838E1C061757 for ; Tue, 27 Jul 2021 00:05:23 -0700 (PDT) Received: by mail-pj1-x102e.google.com with SMTP id m10-20020a17090a34cab0290176b52c60ddso3581459pjf.4 for ; Tue, 27 Jul 2021 00:05:23 -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=aA9KzM1YQpeMy8flwFCJF+abB2VNYPrrTMZe7/kNPGs=; b=aDd5cPFiOJD1MYOLMADwtAS2QlfogGnOEPQgTMzb99aWr3VeMZdTAVo8KeO+wRTYGX 5EWJa4rV6slTdQaxgTnur8K2gZKo0rHsuS1cqREPNoDx1sG5U5nsCAQSFbytUhgOeE44 hmTXxayBE3CAHh1hAEVu3z6vTnCNMtLPhuIvY= 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=aA9KzM1YQpeMy8flwFCJF+abB2VNYPrrTMZe7/kNPGs=; b=eP0HEXpnet/1mEK/bbSgRouNTq9VPXcHmxf5su6Pd2L+1HUYaD6ge233lF+BZ8qw5D bcAawXROUIh/iKCdfoahs0psHwKC8EEmIDiReqr0qkjKeH1o5apyay3Bg/71SfOe91jB g7mJuMCOacczjGPIyhcr22K6Bqoa0+U4w+kdNjcdfZKAda9ir8L3AMk6xLJFm+6Ylk89 BQ3ykRHoMGKM/OF6YPKr/BKzfLQWZXu6jZiJXVQoQnhr9hiXzw57i/YgqdHxEIa3vHBv sGVZjgE8CFmaJwsObbiC4A4SbU8fX6gWMPCAdSEwo8Rf3PaxtLpDSJJ3p2V6ZFfbS14G uO3A== X-Gm-Message-State: AOAM533EWPiQMEUSCX405diMFtwcR/eKLDkMiwRJ7rsJ4bJnntTYFxYS avHk8SwoN3RsWO/SIfezG/mtig== X-Google-Smtp-Source: ABdhPJw0eV7LCImKcYBCHhHCgwQJSFomf7kjjdphAENe/t3wQ//GyhIGFfrbhjvLU0PSnUA7kVu+KQ== X-Received: by 2002:a65:5c01:: with SMTP id u1mr22166032pgr.181.1627369522989; Tue, 27 Jul 2021 00:05:22 -0700 (PDT) Received: from senozhatsky.flets-east.jp ([2409:10:2e40:5100:ba3e:509b:495:ec84]) by smtp.gmail.com with ESMTPSA id 30sm2343447pgq.31.2021.07.27.00.05.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Jul 2021 00:05:22 -0700 (PDT) From: Sergey Senozhatsky To: Tomasz Figa , Hans Verkuil Cc: Dafna Hirschfeld , Ricardo Ribalda , Christoph Hellwig , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Sergey Senozhatsky Subject: [PATCHv4 0/8] videobuf2: support new noncontiguous DMA API Date: Tue, 27 Jul 2021 16:05:09 +0900 Message-Id: <20210727070517.443167-1-senozhatsky@chromium.org> X-Mailer: git-send-email 2.32.0.432.gabb21c7263-goog MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Hello, The series adds support for noncontiguous DMA API and V4L2_MEMORY_FLAG_NON_COHERENT UAPI. v4: -- addressed Dafna's feedback V3: https://lore.kernel.org/lkml/20210709092027.1050834-1-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 | 16 +- .../media/common/videobuf2/videobuf2-core.c | 127 ++++++++----- .../common/videobuf2/videobuf2-dma-contig.c | 176 ++++++++++++++---- .../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, 399 insertions(+), 180 deletions(-)