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A new bus type "dfl" is introduced for private features which are not initialized by DFL feature drivers (dfl-fme & dfl-afu drivers). So these private features could be handled by separate driver modules. DFL feature drivers (dfl-fme, dfl-port) will create DFL devices on enumeration. DFL drivers could be registered on this bus to match these DFL devices. They are matched by dfl type & feature_id. [mdf@kernel.org: Add missing Documentation part to MAINTAINERS file] Signed-off-by: Xu Yilun <yilun.xu@intel.com> Signed-off-by: Wu Hao <hao.wu@intel.com> Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com> Signed-off-by: Russ Weight <russell.h.weight@intel.com> Reviewed-by: Tom Rix <trix@redhat.com> Acked-by: Wu Hao <hao.wu@intel.com> Signed-off-by: Moritz Fischer <mdf@kernel.org>
16 lines
477 B
Plaintext
16 lines
477 B
Plaintext
What: /sys/bus/dfl/devices/dfl_dev.X/type
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Date: Aug 2020
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KernelVersion: 5.10
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Contact: Xu Yilun <yilun.xu@intel.com>
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Description: Read-only. It returns type of DFL FIU of the device. Now DFL
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supports 2 FIU types, 0 for FME, 1 for PORT.
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Format: 0x%x
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What: /sys/bus/dfl/devices/dfl_dev.X/feature_id
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Date: Aug 2020
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KernelVersion: 5.10
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Contact: Xu Yilun <yilun.xu@intel.com>
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Description: Read-only. It returns feature identifier local to its DFL FIU
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type.
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Format: 0x%x
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