From: "Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se> To: vinod.koul@intel.com, linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, iommu@lists.linux-foundation.org Cc: robin.murphy@arm.com, laurent.pinchart@ideasonboard.com, geert+renesas@glider.be, linus.walleij@linaro.org, dan.j.williams@intel.com, arnd@arndb.de, linux-arch@vger.kernel.org, "Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se> Subject: [PATCH v5 2/9] dma-mapping: add {map,unmap}_resource to dma_map_ops Date: Tue, 8 Mar 2016 03:42:47 +0100 [thread overview] Message-ID: <1457404974-1800-3-git-send-email-niklas.soderlund+renesas@ragnatech.se> (raw) In-Reply-To: <1457404974-1800-1-git-send-email-niklas.soderlund+renesas@ragnatech.se> Add methods to handle mapping of device resources from a physical address. This is needed for example to be able to map MMIO FIFO registers to a IOMMU. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> --- include/linux/dma-mapping.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 75857cd..e3aba4e 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -49,6 +49,12 @@ struct dma_map_ops { struct scatterlist *sg, int nents, enum dma_data_direction dir, struct dma_attrs *attrs); + dma_addr_t (*map_resource)(struct device *dev, phys_addr_t phys_addr, + size_t size, enum dma_data_direction dir, + struct dma_attrs *attrs); + void (*unmap_resource)(struct device *dev, dma_addr_t dma_handle, + size_t size, enum dma_data_direction dir, + struct dma_attrs *attrs); void (*sync_single_for_cpu)(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction dir); -- 2.7.2
WARNING: multiple messages have this Message-ID (diff)
From: niklas.soderlund+renesas@ragnatech.se (Niklas Söderlund) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 2/9] dma-mapping: add {map,unmap}_resource to dma_map_ops Date: Tue, 8 Mar 2016 03:42:47 +0100 [thread overview] Message-ID: <1457404974-1800-3-git-send-email-niklas.soderlund+renesas@ragnatech.se> (raw) In-Reply-To: <1457404974-1800-1-git-send-email-niklas.soderlund+renesas@ragnatech.se> Add methods to handle mapping of device resources from a physical address. This is needed for example to be able to map MMIO FIFO registers to a IOMMU. Signed-off-by: Niklas S?derlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> --- include/linux/dma-mapping.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 75857cd..e3aba4e 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -49,6 +49,12 @@ struct dma_map_ops { struct scatterlist *sg, int nents, enum dma_data_direction dir, struct dma_attrs *attrs); + dma_addr_t (*map_resource)(struct device *dev, phys_addr_t phys_addr, + size_t size, enum dma_data_direction dir, + struct dma_attrs *attrs); + void (*unmap_resource)(struct device *dev, dma_addr_t dma_handle, + size_t size, enum dma_data_direction dir, + struct dma_attrs *attrs); void (*sync_single_for_cpu)(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction dir); -- 2.7.2
next prev parent reply other threads:[~2016-03-08 2:44 UTC|newest] Thread overview: 97+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-03-08 2:42 [PATCH v5 0/9] dmaengine: rcar-dmac: add iommu support for slave transfers Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-08 2:42 ` [PATCH v5 1/9] iommu: Add MMIO mapping type Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-17 11:18 ` Laurent Pinchart 2016-03-17 11:18 ` Laurent Pinchart 2016-03-17 11:18 ` Laurent Pinchart 2016-03-17 11:18 ` Laurent Pinchart 2016-03-08 2:42 ` Niklas Söderlund [this message] 2016-03-08 2:42 ` [PATCH v5 2/9] dma-mapping: add {map,unmap}_resource to dma_map_ops Niklas Söderlund 2016-03-08 2:42 ` [PATCH v5 3/9] dma-mapping: add dma_{map,unmap}_resource Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-08 7:38 ` Christoph Hellwig 2016-03-08 7:38 ` Christoph Hellwig 2016-03-10 16:05 ` Niklas S??derlund 2016-03-10 16:05 ` Niklas S??derlund 2016-03-10 16:05 ` Niklas S??derlund 2016-03-11 6:19 ` Vinod Koul 2016-03-11 6:19 ` Vinod Koul 2016-03-11 6:19 ` Vinod Koul 2016-03-11 6:47 ` Dan Williams 2016-03-11 6:47 ` Dan Williams 2016-03-11 6:47 ` Dan Williams 2016-03-11 11:15 ` Christoph Hellwig 2016-03-11 11:15 ` Christoph Hellwig 2016-03-11 11:15 ` Christoph Hellwig 2016-03-11 12:58 ` Niklas Söderlund 2016-03-11 12:58 ` Niklas Söderlund 2016-03-11 12:58 ` Niklas Söderlund 2016-03-11 12:58 ` Niklas Söderlund 2016-03-15 8:22 ` Christoph Hellwig 2016-03-15 8:22 ` Christoph Hellwig 2016-03-15 8:22 ` Christoph Hellwig 2016-03-17 11:33 ` Laurent Pinchart 2016-03-17 11:33 ` Laurent Pinchart 2016-03-17 11:33 ` Laurent Pinchart 2016-03-17 11:33 ` Laurent Pinchart 2016-03-21 15:26 ` Christoph Hellwig 2016-03-21 15:26 ` Christoph Hellwig 2016-03-21 15:26 ` Christoph Hellwig 2016-04-13 13:29 ` Niklas Söderlund 2016-04-13 13:29 ` Niklas Söderlund 2016-04-13 13:29 ` Niklas Söderlund 2016-04-13 13:29 ` Niklas Söderlund 2016-04-13 13:29 ` Niklas Söderlund 2016-04-21 9:48 ` Niklas Söderlund 2016-04-21 9:48 ` Niklas Söderlund 2016-04-21 9:48 ` Niklas Söderlund 2016-04-21 9:48 ` Niklas Söderlund 2016-04-21 13:49 ` Christoph Hellwig 2016-04-21 13:49 ` Christoph Hellwig 2016-04-21 13:49 ` Christoph Hellwig 2016-04-25 14:26 ` Niklas Söderlund 2016-04-25 14:26 ` Niklas Söderlund 2016-04-25 14:26 ` Niklas Söderlund 2016-04-25 14:26 ` Niklas Söderlund 2016-04-25 19:10 ` Christoph Hellwig 2016-04-25 19:10 ` Christoph Hellwig 2016-04-25 19:10 ` Christoph Hellwig 2016-04-26 13:29 ` Niklas Söderlund 2016-04-26 13:29 ` Niklas Söderlund 2016-04-26 13:29 ` Niklas Söderlund 2016-04-26 13:29 ` Niklas Söderlund 2016-04-26 13:29 ` Niklas Söderlund 2016-03-11 13:46 ` Robin Murphy 2016-03-11 13:46 ` Robin Murphy 2016-03-11 13:46 ` Robin Murphy 2016-03-11 13:46 ` Robin Murphy 2016-03-11 17:51 ` Dan Williams 2016-03-11 17:51 ` Dan Williams 2016-03-11 17:51 ` Dan Williams 2016-03-08 2:42 ` [PATCH v5 4/9] arm: dma-mapping: add {map,unmap}_resource for iommu ops Niklas Söderlund 2016-03-08 2:42 ` [PATCH v5 4/9] arm: dma-mapping: add {map, unmap}_resource " Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-08 2:42 ` [PATCH v5 5/9] dmaengine: rcar-dmac: slave address are physical Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-17 11:30 ` Laurent Pinchart 2016-03-17 11:30 ` Laurent Pinchart 2016-03-17 11:30 ` Laurent Pinchart 2016-03-17 11:30 ` Laurent Pinchart 2016-03-08 2:42 ` [PATCH v5 6/9] dmaengine: rcar-dmac: group slave configuration Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-17 11:28 ` Laurent Pinchart 2016-03-17 11:28 ` Laurent Pinchart 2016-03-17 11:28 ` Laurent Pinchart 2016-03-17 11:28 ` Laurent Pinchart 2016-03-08 2:42 ` [PATCH v5 7/9] dmaengine: rcar-dmac: add iommu support for slave transfers Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-08 2:42 ` [PATCH v5 8/9] ARM: dts: r8a7790: add iommus to dmac0 and dmac1 Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund 2016-03-08 2:42 ` [PATCH v5 9/9] ARM: dts: r8a7791: " Niklas Söderlund 2016-03-08 2:42 ` Niklas Söderlund
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