map DMA buffer with dma engine in another device ?
Feb. 7, 2018
2:15 p.m.
Hello, On viewing PCI driver, I see that dma buffer are allocated even while the dma engine is actually in the EP device. Is there any sense in doing this ? Thanks, Ran
Feb. 7, 2018
6:10 p.m.
On Wed, 07 Feb 2018 16:15:12 +0200, Ran Shalit said:
On viewing PCI driver, I see that dma buffer are allocated even while the dma engine is actually in the EP device. Is there any sense in doing this ?
If the buffers weren't allocated by the PCI driver, where would the dma engine in the EP device target the DMA?
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Ran Shalit -
valdis.kletnieks＠vt.edu