From: Joerg Roedel <joro@8bytes.org>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
David Airlie <airlied@linux.ie>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
linaro-mm-sig@lists.linaro.org, iommu@lists.linux-foundation.org,
Daniel Vetter <daniel@ffwll.ch>,
Robin Murphy <robin.murphy@arm.com>,
Christoph Hellwig <hch@lst.de>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4 03/38] iommu: add generic helper for mapping sgtable objects
Date: Wed, 13 May 2020 11:03:21 +0200 [thread overview]
Message-ID: <20200513090320.GH9820@8bytes.org> (raw)
In-Reply-To: <20200512090058.14910-3-m.szyprowski@samsung.com>
Hi Marek,
On Tue, May 12, 2020 at 11:00:23AM +0200, Marek Szyprowski wrote:
> ---
> include/linux/iommu.h | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
Some nits below, with those fixed:
Acked-by: Joerg Roedel <jroedel@suse.de>
> diff --git a/include/linux/iommu.h b/include/linux/iommu.h
> index 7cfd2dd..ba662ba 100644
> --- a/include/linux/iommu.h
> +++ b/include/linux/iommu.h
> @@ -478,6 +478,22 @@ extern size_t iommu_map_sg_atomic(struct iommu_domain *domain,
> extern void iommu_set_fault_handler(struct iommu_domain *domain,
> iommu_fault_handler_t handler, void *token);
>
> +/**
> + * iommu_map_sgtable - Map the given buffer to the IOMMU domain
> + * @domain: The IOMMU domain to perfor
^^^^^^ Truncated comment?
> + * @iova: The start addrees to map the buffer
^^^^^^^ Typo
> + * @sgt: The sg_table object describing the buffer
> + * @prot: IOMMU protection bits
> + *
> + * Create a mapping at @iova for the buffer described by a scatterlist
> + * stored in the given sg_table object in the provided IOMMU domain.
> + */
> +static inline size_t iommu_map_sgtable(struct iommu_domain *domain,
> + unsigned long iova, struct sg_table *sgt, int prot)
> +{
> + return iommu_map_sg(domain, iova, sgt->sgl, sgt->orig_nents, prot);
> +}
> +
> extern void iommu_get_resv_regions(struct device *dev, struct list_head *list);
> extern void iommu_put_resv_regions(struct device *dev, struct list_head *list);
> extern void generic_iommu_put_resv_regions(struct device *dev,
> --
> 1.9.1
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next prev parent reply other threads:[~2020-05-13 9:03 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20200512085722eucas1p2fbaab30e49c9ddadc64b27db856e5921@eucas1p2.samsung.com>
2020-05-12 8:57 ` [PATCH v4 00/38] DRM: fix struct sg_table nents vs. orig_nents misuse Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 01/38] dma-mapping: add generic helpers for mapping sgtable objects Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 02/38] scatterlist: add generic wrappers for iterating over " Marek Szyprowski
2020-05-12 12:18 ` Christoph Hellwig
2020-05-13 13:24 ` Robin Murphy
2020-05-12 9:00 ` [PATCH v4 03/38] iommu: add generic helper for mapping " Marek Szyprowski
2020-05-12 12:18 ` Christoph Hellwig
2020-05-13 9:03 ` Joerg Roedel [this message]
2020-05-13 13:27 ` Robin Murphy
2020-05-12 9:00 ` [PATCH v4 04/38] drm: prime: add common helper to check scatterlist contiguity Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 05/38] drm: prime: use sgtable iterators in drm_prime_sg_to_page_addr_arrays() Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 06/38] drm: core: fix common struct sg_table related issues Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 07/38] drm: amdgpu: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 08/38] drm: armada: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 09/38] drm: etnaviv: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 10/38] drm: exynos: use common helper for a scatterlist contiguity check Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 11/38] drm: exynos: fix common struct sg_table related issues Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 12/38] drm: i915: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 13/38] drm: lima: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 14/38] drm: mediatek: use common helper for a scatterlist contiguity check Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 15/38] drm: mediatek: use common helper for extracting pages array Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 16/38] drm: msm: fix common struct sg_table related issues Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 17/38] drm: omapdrm: use common helper for extracting pages array Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 18/38] drm: omapdrm: fix common struct sg_table related issues Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 19/38] drm: panfrost: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 20/38] drm: radeon: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 21/38] drm: rockchip: use common helper for a scatterlist contiguity check Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 22/38] drm: rockchip: fix common struct sg_table related issues Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 23/38] drm: tegra: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 24/38] drm: v3d: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 25/38] drm: virtio: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 26/38] drm: vmwgfx: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 27/38] xen: gntdev: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 28/38] drm: host1x: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 29/38] drm: rcar-du: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 30/38] dmabuf: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 31/38] staging: ion: remove dead code Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 32/38] staging: ion: fix common struct sg_table related issues Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 33/38] staging: tegra-vde: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 34/38] misc: fastrpc: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 35/38] rapidio: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 36/38] samples: vfio-mdev/mbochs: " Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 37/38] media: pci: fix common ALSA DMA-mapping related codes Marek Szyprowski
2020-05-12 9:00 ` [PATCH v4 38/38] videobuf2: use sgtable-based scatterlist wrappers Marek Szyprowski
2020-05-12 17:52 ` Ruhl, Michael J
2020-05-12 20:33 ` Marek Szyprowski
2020-05-13 12:01 ` Ruhl, Michael J
2020-05-12 12:18 ` [PATCH v4 01/38] dma-mapping: add generic helpers for mapping sgtable objects Christoph Hellwig
2020-05-12 13:00 ` Marek Szyprowski
2020-05-12 13:09 ` Christoph Hellwig
2020-05-12 13:19 ` Marek Szyprowski
2020-05-13 13:23 ` Robin Murphy
2020-05-12 12:19 ` [PATCH v4 00/38] DRM: fix struct sg_table nents vs. orig_nents misuse Christoph Hellwig
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