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Device MSC: add START STOP (load/eject) request support #246

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Device MSC: add START STOP (load/eject) request support #246

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@ayedm1 ayedm1 commented Jan 18, 2026

  • changes:
  • Add mass-storage “removable media” support by tracking per-LUN prevent/allow medium removal and loaded/ejected status.
  • Introduce an optional per-LUN callback to handle SCSI START STOP UNIT (including load/eject and power-condition fields).
  • Extend storage constants (media types, sense keys/codes, power conditions, prevent flags) to support the new behavior and improve readability (explicit hex values).
  • Initialize new per-LUN state on activation (default: medium removal allowed, medium loaded) and wire the new callback through storage initialization.
  • Includes minor formatting/comment cleanups and version banner updates to 6.4.6.
  • implemenatation referance:

SCSI Block Commands – 4 (SBC-4)

PREVENT ALLOW MEDIUM REMOVAL command:

image

START STOP UNIT command:

image image

@ayedm1
Device MSC: add START STOP (load/eject) request support
4d3af7d 
- Add mass-storage “removable media” support by tracking per-LUN prevent/allow medium removal and loaded/ejected status.
- Introduce an optional per-LUN callback to handle SCSI START STOP UNIT (including load/eject and power-condition fields).
- Extend storage constants (media types, sense keys/codes, power conditions, prevent flags) to support the new behavior and improve readability (explicit hex values).
- Initialize new per-LUN state on activation (default: medium removal allowed, medium loaded) and wire the new callback through storage initialization.
- Includes minor formatting/comment cleanups and version banner updates to 6.4.6.

SCSI Block Commands – 4 (SBC-4)
@ayedm1 ayedm1 mentioned this pull request Jan 18, 2026
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@ayedm1 ayedm1 moved this to In review in ThreadX Roadmap Jan 18, 2026
@ayedm1 ayedm1 added the feature New feature or enhancement request label Jan 18, 2026
@ayedm1 ayedm1 requested review from ABOUSTM and rahmanih January 18, 2026 14:55
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@rahmanih rahmanih Awaiting requested review from rahmanih

@ABOUSTM ABOUSTM Awaiting requested review from ABOUSTM

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