scsi: ufs: core: Add HID support

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Follow JESD220G, support HID(Host Initiated Defragmentation) through
sysfs, the relevant sysfs nodes are as follows:

	1. analysis_trigger
	2. defrag_trigger
	3. fragmented_size
	4. defrag_size
	5. progress_ratio
	6. state

The detailed definition of the six nodes can be found in the sysfs
documentation.

HID's execution policy is given to user-space.

Signed-off-by: Huan Tang <tanghuan@vivo.com>
Signed-off-by: Wenxing Cheng <wenxing.cheng@vivo.com>
Link: https://lore.kernel.org/r/20250523064604.800-1-tanghuan@vivo.com
Suggested-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Bean Huo <huobean@gmail.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

...

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Huan Tang 2025-05-23 14:46:04 +08:00 • committed by Martin K. Petersen

parent c6503be73f

commit ae7795a8c2

4 changed files with 303 additions and 0 deletions

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83

Documentation/ABI/testing/sysfs-driver-ufs

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190

drivers/ufs/core/ufs-sysfs.c

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4

drivers/ufs/core/ufshcd.c

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26

include/ufs/ufs.h

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