cam: better ioctl compatibility for cd
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Authored by imp on May 24 2022, 9:50 PM.

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Summary

Unlike xpt and pass driver, there's no test for ENOTTY in cdioctl to try
the compatbility ioctls. Add one.

However, this is a disk ioctl, not a cdev ioctl. To get around this, we
cast the struct disk * to a struct cdev * to pass through. We cast it
back in a simple wrapper function.

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rS FreeBSD src repository - subversion

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Buildable 45699
Build 42587: arc lint + arc unit

Event Timeline

imp created this revision.May 24 2022, 9:50 PM

Herald added a reviewer: cam. · View Herald TranscriptMay 24 2022, 9:50 PM

imp requested review of this revision.May 24 2022, 9:50 PM

Harbormaster completed remote builds in B45698: Diff 106346.May 24 2022, 9:51 PM

more direct call

Harbormaster completed remote builds in B45699: Diff 106347.May 24 2022, 10:07 PM

imp mentioned this in rG028b16e2088a: cam: better ioctl compatibility for cd.Jul 25 2024, 4:49 AM

Revision Contents
Changeset List

Path

Size

sys/

cam/

cam_compat.c

6 lines

scsi/

scsi_cd.c

24 lines

Diff 106347

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sys/cam/cam_compat.c