From: Christoph Hellwig <hch@lst.de>
To: Mauro Carvalho Chehab <mchehab@kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Tomasz Figa <tfiga@chromium.org>,
Ricardo Ribalda <ribalda@chromium.org>,
Sergey Senozhatsky <senozhatsky@google.com>,
iommu@lists.linux-foundation.org
Cc: Robin Murphy <robin.murphy@arm.com>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-media@vger.kernel.org
Subject: add a new dma_alloc_noncontiguous API v2
Date: Tue, 2 Feb 2021 10:51:03 +0100 [thread overview]
Message-ID: <20210202095110.1215346-1-hch@lst.de> (raw)
Hi all,
this series adds the new noncontiguous DMA allocation API requested by
various media driver maintainers.
Changes since v1:
- document that flush_kernel_vmap_range and invalidate_kernel_vmap_range
must be called once an allocation is mapped into KVA
- add dma-debug support
- remove the separate dma_handle argument, and instead create fully formed
DMA mapped scatterlists
- use a directional allocation in uvcvideo
- call invalidate_kernel_vmap_range from uvcvideo
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Mauro Carvalho Chehab <mchehab@kernel.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
Tomasz Figa <tfiga@chromium.org>,
Ricardo Ribalda <ribalda@chromium.org>,
Sergey Senozhatsky <senozhatsky@google.com>,
iommu@lists.linux-foundation.org
Cc: linux-media@vger.kernel.org, Robin Murphy <robin.murphy@arm.com>,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org
Subject: add a new dma_alloc_noncontiguous API v2
Date: Tue, 2 Feb 2021 10:51:03 +0100 [thread overview]
Message-ID: <20210202095110.1215346-1-hch@lst.de> (raw)
Hi all,
this series adds the new noncontiguous DMA allocation API requested by
various media driver maintainers.
Changes since v1:
- document that flush_kernel_vmap_range and invalidate_kernel_vmap_range
must be called once an allocation is mapped into KVA
- add dma-debug support
- remove the separate dma_handle argument, and instead create fully formed
DMA mapped scatterlists
- use a directional allocation in uvcvideo
- call invalidate_kernel_vmap_range from uvcvideo
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next reply other threads:[~2021-02-02 9:52 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-02 9:51 Christoph Hellwig [this message]
2021-02-02 9:51 ` add a new dma_alloc_noncontiguous API v2 Christoph Hellwig
2021-02-02 9:51 ` [PATCH 1/7] dma-mapping: remove the {alloc,free}_noncoherent methods Christoph Hellwig
2021-02-02 9:51 ` Christoph Hellwig
2021-02-02 9:51 ` [PATCH 2/7] dma-mapping: add a dma_mmap_pages helper Christoph Hellwig
2021-02-02 9:51 ` Christoph Hellwig
2021-02-02 9:51 ` [PATCH 3/7] dma-mapping: refactor dma_{alloc,free}_pages Christoph Hellwig
2021-02-02 9:51 ` Christoph Hellwig
2021-02-02 9:51 ` [PATCH 4/7] dma-mapping: add a dma_alloc_noncontiguous API Christoph Hellwig
2021-02-02 9:51 ` Christoph Hellwig
2021-02-16 18:55 ` Robin Murphy
2021-02-16 18:55 ` Robin Murphy
2021-03-01 8:09 ` Christoph Hellwig
2021-03-01 8:09 ` Christoph Hellwig
2021-02-02 9:51 ` [PATCH 5/7] dma-iommu: refactor iommu_dma_alloc_remap Christoph Hellwig
2021-02-02 9:51 ` Christoph Hellwig
2021-02-02 9:51 ` [PATCH 6/7] dma-iommu: implement ->alloc_noncontiguous Christoph Hellwig
2021-02-02 9:51 ` Christoph Hellwig
2021-02-16 8:14 ` Tomasz Figa
2021-02-16 8:14 ` Tomasz Figa
2021-02-16 8:49 ` Christoph Hellwig
2021-02-16 8:49 ` Christoph Hellwig
2021-03-01 7:17 ` Sergey Senozhatsky
2021-03-01 7:17 ` Sergey Senozhatsky
2021-03-01 7:21 ` Christoph Hellwig
2021-03-01 7:21 ` Christoph Hellwig
2021-03-01 8:02 ` Sergey Senozhatsky
2021-03-01 8:02 ` Sergey Senozhatsky
2021-03-01 8:11 ` Christoph Hellwig
2021-03-01 8:11 ` Christoph Hellwig
2021-02-02 9:51 ` [PATCH 7/7] media: uvcvideo: Use dma_alloc_noncontiguos API Christoph Hellwig
2021-02-02 9:51 ` Christoph Hellwig
2021-02-04 7:39 ` Hillf Danton
2021-02-07 18:48 ` add a new dma_alloc_noncontiguous API v2 Christoph Hellwig
2021-02-07 18:48 ` Christoph Hellwig
2021-02-08 11:33 ` Tomasz Figa
2021-02-08 11:33 ` Tomasz Figa
2021-02-09 8:22 ` Christoph Hellwig
2021-02-09 8:29 ` Ricardo Ribalda
2021-02-09 8:29 ` Ricardo Ribalda
2021-02-09 14:46 ` Ricardo Ribalda
2021-02-09 14:46 ` Ricardo Ribalda
2021-02-09 17:02 ` Christoph Hellwig
2021-02-11 9:08 ` Ricardo Ribalda
2021-02-11 9:08 ` Ricardo Ribalda
2021-02-11 13:06 ` Christoph Hellwig
2021-02-11 13:06 ` Christoph Hellwig
2021-02-11 13:20 ` Ricardo Ribalda
2021-02-11 13:20 ` Ricardo Ribalda
2021-02-11 13:55 ` Laurent Pinchart
2021-02-11 13:55 ` Laurent Pinchart
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