docs: describe Redfish and scout primary interface selection - #5447
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WalkthroughThe documentation updates multi-DPU boot-interface selection. It adds host BMC chassis-ID fallback rules, Redfish chassis-ID ordering, Scout PCI correction behavior, and the related selection precedence. ChangesBoot-interface selection
Estimated code review effort: 1 (Trivial) | ~2 minutes Merge Risk: ⚪ Minimal · up to The PR updates documentation for existing Redfish and scout interface-selection behavior without changing product functionality. No actionable merge-blocking risk remains after normal checks and review. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
Full details: Linked Issues checkExplanation The changes address issue Full details: Docstring CoverageExplanation No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.) ✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In `@docs/provisioning/boot-interfaces-and-dpu-modes.md`:
- Line 279: Clarify the `scout_primary_interface_correction_enabled`
documentation so the Scout-selected interface is explicitly described as
matching both the persisted desired target and the current primary interface.
Preserve the distinction that this dual match changes only the selection source
to `ScoutReportPci`; otherwise, the desired target and primary interface are
updated together and the existing boot configuration flow is queued.
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Actionable comments posted: 1
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Inline comments:
In `@docs/provisioning/boot-interfaces-and-dpu-modes.md`:
- Line 279: Update the Scout correction documentation around
scout_primary_interface_correction_enabled to state that automatic correction
applies only to complete, unambiguous RedfishChassisId or RedfishSerialNumber
reports for eligible HostInit/Discovered hosts or Ready hosts without a live
Instance. Document that incomplete or ambiguous reports, protected selections,
and other ineligible cases are no-ops that preserve the stored selection, while
retaining the existing behavior for eligible corrections.
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Document RedfishChassisId ordering, its eligibility and serial fallback, and the resulting selection precedence. Describe ScoutReportPci, the default-off startup gate, and how an eligible scout update enters the existing boot configuration lifecycle. This supports NVIDIA#5430 Signed-off-by: Chet Nichols III <chetn@nvidia.com>
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Summary
The boot interface selection source table still lists
RedfishChassisIdandScoutReportPcias reserved. NICo already selects a DPU by ordering Redfish chassis IDs, and #5334 adds validation and reconciliation using PCI slots in a host scout report.This updates the selection table, the default-selection explanation, and the precedence table to describe both source values consistently. It documents chassis-ID eligibility and serial fallback, the
scout_primary_interface_correction_enabledgate, and the lifecycle behavior when scout changes the desired target or primary interface. This PR should merge after #5334.Related issues
Closes #5430.
Documentation companion to #5083.
Part of #5008.
Type of Change
Breaking Changes
Testing
The changed page passes
rumdl,fern docs md check, andfern check. The rendered table remains readable and retains its links to #5080 and #5083.