From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id D81DCC021B1 for ; Thu, 20 Feb 2025 12:48:35 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 724132802E0; Thu, 20 Feb 2025 07:48:35 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 6D4402802DA; Thu, 20 Feb 2025 07:48:35 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 59C092802E0; Thu, 20 Feb 2025 07:48:35 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 3B2232802DA for ; Thu, 20 Feb 2025 07:48:35 -0500 (EST) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id B7BE61A10FE for ; Thu, 20 Feb 2025 12:48:34 +0000 (UTC) X-FDA: 83140301748.19.39C9C18 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf25.hostedemail.com (Postfix) with ESMTP id D6DD7A0017 for ; Thu, 20 Feb 2025 12:48:32 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="XhH3Rxw/"; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf25.hostedemail.com: domain of leon@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=leon@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1740055713; a=rsa-sha256; cv=none; b=RViGOF+BCqv4uSqoxlCWwTyGTGs3v9tpDuRQU07ZGbTrL/8J75Naurxg+w25mUh1H/41F3 rmY3/NYqYoZnA1MI2siXq1uKJMF0QAWqkphqp9XFA6Zr/6YyizKC53ql+IBR91sZX5rV+K JnFY1BXcF6LUiCVzruYEJJ3i6E0KvQQ= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="XhH3Rxw/"; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf25.hostedemail.com: domain of leon@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=leon@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1740055713; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=jni0hvcjt0Ult8Hrwijcs86k+kYBriZ28Ypo0GTv5SA=; b=URxpzZQEt7DEZ4KBbr89cxjeLy5wxQT8c1F5W7DZuEwsXEy+xsearSn3lLY0ayGsZzyXd3 xsT9qVTQ/+5TK+Pm1A4d2Onzyy/bOWn6p5PfzmeAfS0gT5lS8L9io2Xq3OEw0jz6NkPTCF 3fwFw0bn6+vsfXpYz53BJYjf+EsKyTc= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id A4BB55C5D82; Thu, 20 Feb 2025 12:47:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C882DC4CED1; Thu, 20 Feb 2025 12:48:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740055711; bh=1Iv3ATubl6AG/lSG1TPOh5GEc+mnunYnUNognONLHrM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XhH3Rxw/fU4NMM8JUKPDYre9d9LQaru2HtlbuSSUNzkHB8eWhqMM23vtegnTWn+BS 9+H0GOfdzn1LNx9IHcWfvcpB8EXNSp57Achx+q1U7ozbfXzho3FO9ENmdtK+fnEJTx 1mX2B9KcxOTwRBNfDJoEWHPpCPDk48cyZC7xwNx3D4HZ/eDzhk1UYs1ByD6cWBCggg PbJi1s5B2/FkYeMMfisRgyehbN8fd3in3TvHNeTh17NIjIy8rndGPwyK8hEYOJ4woC z5Pq6b+6BoM66BA9VpnFOLzal49GAHK/nFhBZx9kerNsCt2/b4psBlXL8nvsynNOoP upH4tKmvy4K+A== Date: Thu, 20 Feb 2025 14:48:27 +0200 From: Leon Romanovsky To: Christoph Hellwig , Jason Gunthorpe , Robin Murphy Cc: Jens Axboe , Joerg Roedel , Will Deacon , Sagi Grimberg , Keith Busch , Bjorn Helgaas , Logan Gunthorpe , Yishai Hadas , Shameer Kolothum , Kevin Tian , Alex Williamson , Marek Szyprowski , =?iso-8859-1?B?Suly9G1l?= Glisse , Andrew Morton , Jonathan Corbet , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-rdma@vger.kernel.org, iommu@lists.linux.dev, linux-nvme@lists.infradead.org, linux-pci@vger.kernel.org, kvm@vger.kernel.org, linux-mm@kvack.org, Randy Dunlap Subject: Re: [PATCH v7 00/17] Provide a new two step DMA mapping API Message-ID: <20250220124827.GR53094@unreal> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Rspamd-Queue-Id: D6DD7A0017 X-Rspamd-Server: rspam12 X-Stat-Signature: c5m7eex88rrytp6f8h76nxkjxcewgytu X-HE-Tag: 1740055712-995164 X-HE-Meta: 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 9/DzqFZ4 aO2z9lnwLUChElhRgM2JwpsLt6m2OFOH17RRb8H/rvXYk1ypX2WmuztdIcP3Jypv3P0IR1agya7eZt82VAOyZfQJrRU5RowGCM/hjeA1fJ3AnsgGkTTOzK3P7WSvYQ3UoAo/I+TyhLxtHC6sUdU8EV1qiy0dNzL5LccGmCPm4J/p6P9/2KhkbMCH3s8sAJTFLdOdD2ue8JCxw0Gvv8KWfBOd7WRx4Hqg8Ez/YXqK0FeDWvxH/1MsZp64lejeIoCjhXnyYrytFSAv29FuX9mRlv0Q4HA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Feb 05, 2025 at 04:40:20PM +0200, Leon Romanovsky wrote: > From: Leon Romanovsky > > Changelog: > v7: > * Rebased to v6.14-rc1 <...> > Christoph Hellwig (6): > PCI/P2PDMA: Refactor the p2pdma mapping helpers > dma-mapping: move the PCI P2PDMA mapping helpers to pci-p2pdma.h > iommu: generalize the batched sync after map interface > iommu/dma: Factor out a iommu_dma_map_swiotlb helper > dma-mapping: add a dma_need_unmap helper > docs: core-api: document the IOVA-based API > > Leon Romanovsky (11): > iommu: add kernel-doc for iommu_unmap and iommu_unmap_fast > dma-mapping: Provide an interface to allow allocate IOVA > dma-mapping: Implement link/unlink ranges API > mm/hmm: let users to tag specific PFN with DMA mapped bit > mm/hmm: provide generic DMA managing logic > RDMA/umem: Store ODP access mask information in PFN > RDMA/core: Convert UMEM ODP DMA mapping to caching IOVA and page > linkage > RDMA/umem: Separate implicit ODP initialization from explicit ODP > vfio/mlx5: Explicitly use number of pages instead of allocated length > vfio/mlx5: Rewrite create mkey flow to allow better code reuse > vfio/mlx5: Enable the DMA link API > > Documentation/core-api/dma-api.rst | 70 ++++ > drivers/infiniband/core/umem_odp.c | 250 +++++--------- > drivers/infiniband/hw/mlx5/mlx5_ib.h | 12 +- > drivers/infiniband/hw/mlx5/odp.c | 65 ++-- > drivers/infiniband/hw/mlx5/umr.c | 12 +- > drivers/iommu/dma-iommu.c | 468 +++++++++++++++++++++++---- > drivers/iommu/iommu.c | 84 ++--- > drivers/pci/p2pdma.c | 38 +-- > drivers/vfio/pci/mlx5/cmd.c | 375 +++++++++++---------- > drivers/vfio/pci/mlx5/cmd.h | 35 +- > drivers/vfio/pci/mlx5/main.c | 87 +++-- > include/linux/dma-map-ops.h | 54 ---- > include/linux/dma-mapping.h | 85 +++++ > include/linux/hmm-dma.h | 33 ++ > include/linux/hmm.h | 21 ++ > include/linux/iommu.h | 4 + > include/linux/pci-p2pdma.h | 84 +++++ > include/rdma/ib_umem_odp.h | 25 +- > kernel/dma/direct.c | 44 +-- > kernel/dma/mapping.c | 18 ++ > mm/hmm.c | 264 +++++++++++++-- > 21 files changed, 1435 insertions(+), 693 deletions(-) > create mode 100644 include/linux/hmm-dma.h Kind reminder. Thanks > > -- > 2.48.1 > >