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Differential D58872

apple_bce: initiate IN data phase for control transfers
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Authored by seuros on Aug 16 2026, 7:50 PM.
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adrian
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rGe8018942942e: apple_bce: initiate IN data phase for control transfers
Summary

For IN control transfers, the firmware does
not send TRANSFER_REQUEST for the data phase
the host must send BCE_VHCI_CMD_TRANSFER_REQUEST
with an IN DMA buffer once the setup phase completes.

Diff Detail

Repository
rG FreeBSD src repository
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Lint Passed
Unit
No Test Coverage
Build Status
Buildable 75627
Build 72510: arc lint + arc unit

Event Timeline

seuros created this revision.Aug 16 2026, 7:50 PM
Herald added a subscriber: imp. · View Herald TranscriptAug 16 2026, 7:50 PM
seuros requested review of this revision.Aug 16 2026, 7:50 PM
Harbormaster completed remote builds in B75627: Diff 184138.Aug 16 2026, 7:50 PM
seuros added a child revision: D58873: apple_bce: ignore duplicate TRANSFER_REQUEST in STATUS state.Aug 16 2026, 7:55 PM
seuros added a parent revision: D58871: apple_bce: fix cold boot panic in mailbox send.
adrian added inline comments.Sep 6 2026, 5:18 PM
sys/dev/apple_bce/apple_bce_vhci.c
1776

This whole if branch looks big enough to stick in its own private function. Wanna go do that?

seuros updated this revision to Diff 186013.Sep 6 2026, 6:30 PM

refactor spaghetti code into function.

Harbormaster completed remote builds in B76595: Diff 186013.Sep 6 2026, 6:30 PM
adrian accepted this revision.Sep 6 2026, 7:38 PM
This revision is now accepted and ready to land.Sep 6 2026, 7:38 PM
Closed by commit rGe8018942942e: apple_bce: initiate IN data phase for control transfers (authored by seuros). · Explain WhySep 6 2026, 7:48 PM
This revision was automatically updated to reflect the committed changes.
seuros added a commit: rGe8018942942e: apple_bce: initiate IN data phase for control transfers.

Revision Contents
Changeset List

PathSize
sys/
dev/
apple_bce/
103 lines

Diff 184138

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sys/dev/apple_bce/apple_bce_vhci.c

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