cxl: Add decoders_committed sysfs attribute to cxl_port

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This attribute allows cxl-cli to determine whether there are decoders
committed to a memdev.  This is only a snapshot of the state, and
doesn't offer any protection or serialization against a concurrent
disable-region operation.

Reviewed-by: Jim Harris <jim.harris@samsung.com>
Suggested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/169747907439.272156.10261062080830155662.stgit@djiang5-mobl3
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Dave Jiang 2023-10-16 10:57:54 -07:00 • committed by Dan Williams

parent 458ba8189c

commit 05e37b2138

2 changed files with 40 additions and 0 deletions

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15

Documentation/ABI/testing/sysfs-bus-cxl

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25

drivers/cxl/core/port.c

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