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scsi: ufs: core: Add WB buffer resize support

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Follow JESD220G, support a WB buffer resize function through sysfs. The
host can obtain resize hint and resize status, and enable the resize
operation. Add three sysfs nodes:

	1. wb_resize_enable

	2. wb_resize_hint

	3. wb_resize_status

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

Signed-off-by: Huan Tang <tanghuan@vivo.com>
Signed-off-by: Lu Hongfei <luhongfei@vivo.com>
Link: https://lore.kernel.org/r/20250411092924.1116-1-tanghuan@vivo.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Huan Tang 2025-04-11 17:29:24 +08:00 • committed by Martin K. Petersen
commit 500d4b742e
5 changed files with 234 additions and 1 deletions
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