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Does DMA over PCIe work using USB gadget mode with a Linux device? i.e. could a Pi be used easily and inexpensively to build an acquisition device for this? Ed

Does DMA over PCIe work using USB gadget mode with a Linux device? i.e. could a Pi be used easily and inexpensively to build an acquisition device for this? Edit: Bleh. Nevermind. I saw this photo: https://gist.githubusercontent.com/ufrisk/c5ba7b360335a13bbac2515e5e7bb9d7/raw/2df37be67047e19ea2c3f73be67a0ba06fea203d/_gh_mbp.jpg https://gist.githubusercontent.com/ufrisk/c5ba7b360335a13bba... with a pcie adapter connected over what looked like USB3 and forgot that it's thunderbolt on the macbook. I was not quite to the middle of my first cup of coffee when I asked that.

q3k 7y ago
Well USB is not PCIe and doesn't do DMA, so no.
- hoistbypetard 7y ago
  Aren't most of the devices on the linked page doing PCIe over USB3? Edit: Bleh. Nevermind. I saw this photo: https://gist.githubusercontent.com/ufrisk/c5ba7b360335a13bbac2515e5e7bb9d7/raw/2df37be67047e19ea2c3f73be67a0ba06fea203d/_gh_mbp.jpg https://gist.githubusercontent.com/ufrisk/c5ba7b360335a13bba... with a pcie adapter connected over what looked like USB3 and forgot that it's thunderbolt on the macbook. I was not quite to the middle of my first cup of coffee when I asked that.
  - saagarjha 7y ago
    USB 4!