Differential D34868

nvme: Rename min_page_size to page_size and save mps
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Authored by imp on Apr 10 2022, 5:11 PM.

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mav
chuck
gallatin
chs
andrew
jimharris
rpokala

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rG55412ef90ad1: nvme: Rename min_page_size to page_size and save mps

Summary

The Memory Page Size sets the basic unit of operation for the drive. We
currently set this to the drive's minimum page size, but we could set it
to any page size the drive supports in the future. Replace min_page_size
(it's now unused for that purpose) with page_size to reflect this and
cache the MPS we want to use. Use NVME_MPS_SHIFT to compute page_size.

Sponsored by: Netflix

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rG FreeBSD src repository

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Event Timeline

imp created this revision.Apr 10 2022, 5:11 PM

Herald added a subscriber: dab. · View Herald TranscriptApr 10 2022, 5:11 PM

imp requested review of this revision.Apr 10 2022, 5:11 PM

Harbormaster completed remote builds in B45109: Diff 104844.Apr 10 2022, 5:11 PM

imp added a parent revision: D34867: nvme: Base maximum data transfer size directly on MPSMIN in cap_hi.Apr 10 2022, 5:11 PM

imp added a child revision: D34869: nvme: Use saved mps when initializing drive.

chuck accepted this revision.Apr 14 2022, 3:18 PM

This revision is now accepted and ready to land.Apr 14 2022, 3:18 PM

Closed by commit rG55412ef90ad1: nvme: Rename min_page_size to page_size and save mps (authored by imp). · Explain WhyApr 15 2022, 8:48 PM

This revision was automatically updated to reflect the committed changes.

imp added a commit: rG55412ef90ad1: nvme: Rename min_page_size to page_size and save mps.

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Path

Size

sys/

dev/

nvme/

5 lines

5 lines

Diff 105066

sys/dev/nvme/nvme_ctrlr.c

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sys/dev/nvme/nvme_private.h

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