dmaengine: idxd: export hw version through sysfs

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Some user apps would like to know the hardware version in order to
determine the variation of the hardware. Export the hardware version number
to userspace via sysfs.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/158696714008.39484.13401950732606906479.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Dave Jiang 2020-04-15 09:13:12 -07:00 • committed by Vinod Koul

parent a4e688535a

commit c2ce6bbcfc

2 changed files with 17 additions and 0 deletions

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6

Documentation/ABI/stable/sysfs-driver-dma-idxd

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11

drivers/dma/idxd/sysfs.c

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