G lists with more than one entry.
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Authored by jhb on Apr 21 2021, 11:59 PM.

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rG68e46643065b: cxgbei: Support DDP for target I/O S/G lists with more than one entry.
rG46bee8043ee2: cxgbei: Support DDP for target I/O S/G lists with more than one entry.

Summary

A CAM target layer I/O CCB can use a S/G list of virtual address ranges
to describe its data buffer. This change adds zero-copy receive support
for such requests.

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Repository

rS FreeBSD src repository - subversion

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No Test Coverage

Build Status

Buildable 38776
Build 35665: arc lint + arc unit

Event Timeline

jhb created this revision.Apr 21 2021, 11:59 PM

Herald added subscribers: ae, imp. · View Herald TranscriptApr 21 2021, 11:59 PM

jhb requested review of this revision.Apr 21 2021, 11:59 PM

Harbormaster completed remote builds in B38776: Diff 87913.Apr 21 2021, 11:59 PM

jhb added a parent revision: D29907: cxgbe tom: Account for pre-iSCSI mode data on suspended connections..Apr 21 2021, 11:59 PM

jhb added a child revision: D29909: cxgbei: Rework the pdu_append_data hook to support M_WAITOK..

This revision was not accepted when it landed; it landed in state Needs Review.May 14 2021, 7:22 PM

Closed by commit rG46bee8043ee2: cxgbei: Support DDP for target I/O S/G lists with more than one entry. (authored by jhb). · Explain Why

This revision was automatically updated to reflect the committed changes.

jhb added a commit: rG46bee8043ee2: cxgbei: Support DDP for target I/O S/G lists with more than one entry..

jhb added a commit: rG68e46643065b: cxgbei: Support DDP for target I/O S/G lists with more than one entry..Oct 30 2021, 12:00 AM

Revision Contents
Changeset List

Path

Size

sys/

dev/

cxgbe/

cxgbei/

icl_cxgbei.c

50 lines

tom/

t4_ddp.c

191 lines

t4_tom.h

5 lines

Diff 87913

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sys/dev/cxgbe/cxgbei/icl_cxgbei.c

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sys/dev/cxgbe/tom/t4_ddp.c

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sys/dev/cxgbe/tom/t4_tom.h

cxgbei: Support DDP for target I/O S/G lists with more than one entry.ClosedPublicActions

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Revision ContentsChangeset List

Diff 87913

sys/dev/cxgbe/cxgbei/icl_cxgbei.c

sys/dev/cxgbe/tom/t4_ddp.c

sys/dev/cxgbe/tom/t4_tom.h

cxgbei: Support DDP for target I/O S/G lists with more than one entry.
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Revision Contents
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