Dma Engine Support

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DMA Engine API Guide — The Linux Kernel documentation

    https://www.kernel.org/doc/html/latest/driver-api/dmaengine/client.html
    This returns a cookie can be used to check the progress of DMA engine activity via other DMA engine calls not covered in this document. dmaengine_submit() will not start the DMA operation, it merely adds it to the pending queue. For this, see step 5, dma_async_issue_pending.

DMA Test Guide — The Linux Kernel documentation

    https://www.kernel.org/doc/html/latest/driver-api/dmaengine/dmatest.html
    Device Drivers -> DMA Engine support -> DMA Test client In the configuration file the option called CONFIG_DMATEST. The dmatest could be built as module or inside kernel. Let’s consider those cases.

DMA Engine support for AM33XX [LWN.net]

    https://lwn.net/Articles/520351/
    Changes since v2: - Rebased on 3.7-rc1 - Fixed bug in DT/pdata parsing first found by Gururaja that turned out to be masked by some toolchains - Dropped unused mach-omap2/devices.c hsmmc patch - Added AM33XX crossbar DMA event mux support - Added am335x-evm support Changes since v1: - Rebased on top of mainline from 12250d8 - Dropped the feature removal schedule patch - Implemented dma…

DMA Engine support for AM33XX [LWN.net]

    https://lwn.net/Articles/535153/
    Changes since v5: - Dropped mmc portion and moved it to a separate series - Incorporate corrected version of dma_request_slave_channel_compat() - Fix #defines and enablement of TI_PRIV_EDMA option Changes since v4: - Fixed debug section mismatch in private edma api [01/14] - Respun format-patch to catch the platform_data/edma.h rename [01/14] - Removed address/size-cells from the …

DMA Test Guide — The Linux Kernel documentation

    https://www.kernel.org/doc/html/v4.15/driver-api/dmaengine/dmatest.html
    Device Drivers -> DMA Engine support -> DMA Test client In the configuration file the option called CONFIG_DMATEST. The dmatest could be built as module or inside kernel. Let’s consider those cases.

[v4] dmaengine: hisilicon: Add Kunpeng DMA engine support ...

    https://patchwork.kernel.org/patch/11315249/
    This DMA engine which is an PCIe iEP offers 30 channels, each channel has a send queue, a complete queue and an interrupt to help to do tasks. This DMA engine can do memory copy between memory blocks or between memory and device buffer.

LKML: "Mehta, Sanju": [PATCH 1/4] dma: Add PTDMA Engine ...

    https://lkml.org/lkml/2019/9/24/74

Direct memory access - Wikipedia

    https://en.wikipedia.org/wiki/Direct_memory_access
    DMA can also be used for "memory to memory" copying or moving of data within memory. DMA can offload expensive memory operations, such as large copies or scatter-gather operations, from the CPU to a dedicated DMA engine. An implementation example is the I/O Acceleration Technology.

Support Dallas Museum of Art

    https://dma.org/support
    Philanthropic gifts to the DMA support our mission to advocate for the essential place of art in the lives of people locally and around the globe. The generosity of individual donors, corporate sponsors, institutional funders, and volunteers enables us to provide innovative educational and public programming, wide-ranging exhibitions, and free ...



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