From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F2BF32862BD; Thu, 20 Feb 2025 12:48:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740055712; cv=none; b=gHk0N0/PJMM6Spb1pJwQ7y1LwGYRrKf//nAZdpZHfV4L5iELf5L7wd8lsUKOWnU4D6MmlkH54pxE7oFSBCye7t2kBjGrodl/oO1IwPBfKFIhaO7px2rMIX7bCm6r1Sx+sCVmxQwaX2+Yd/u7Tp9GSxmSca/b87PFOs0H8nPiTT0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740055712; c=relaxed/simple; bh=1Iv3ATubl6AG/lSG1TPOh5GEc+mnunYnUNognONLHrM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=fDbvlA/Jhqg/b8gRMEoTrL3oTYbgsRjfMZE/YO3nb8CejGVbFWT4h8ifkPTH+/CJ1KaVQMEceDysCs09nXK6TgevjGpCh8SqgHjJcE0DWUTZJNaiDwzYrEjp3IVUh6t96GSc9Mgoglod+QzPOUyfWY8/63rebM00fN/e1Iyz8Zo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XhH3Rxw/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XhH3Rxw/" 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: Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 > >