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Smart Switch reboot high level design #1699

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@vvolam vvolam commented May 16, 2024 •
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This PR is for smart switch reboot high-level design

Repo Pull Request Status
sonic-gnmi sonic-net/sonic-gnmi#286 Open
sonic-host-services sonic-net/sonic-host-services#164 Open
sonic-platform-common sonic-net/sonic-platform-common#501 Merged

@vvolam vvolam marked this pull request as ready for review May 16, 2024 23:15
@isabelmsft isabelmsft self-requested a review May 20, 2024 23:31
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isabelmsft reviewed May 21, 2024
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@vvolam vvolam requested review from qiluo-msft and ganglyu May 30, 2024 15:15
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rameshraghupathy reviewed May 30, 2024
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@oleksandrivantsiv oleksandrivantsiv mentioned this pull request Jun 14, 2024
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isabelmsft previously approved these changes Jun 18, 2024
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@oleksandrivantsiv oleksandrivantsiv mentioned this pull request Jun 25, 2024
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@vvolam vvolam dismissed stale reviews from isabelmsft and ganglyu via 1934915 June 26, 2024 19:00
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As commented

@vvolam vvolam force-pushed the reboot-hld branch 2 times, most recently from 1c9a020 to 7d67e25 Compare July 30, 2024 01:16
rameshraghupathy
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doc/smart-switch/reboot/reboot-hld.md

DPUs are internally connected to the NPU via PCI-E bridge. Below is the reboot sequence for rebooting a specific DPU:

* Upon receiving a reboot CLI command to restart a particular DPU, the NPU transmits a gNOI Reboot API signal with reboot method set to ‘HALT’, instructing
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Can you specify which reboot CLI thing refers to?

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This is regular linux "reboot" command.

@vvolam vvolam mentioned this pull request Aug 8, 2024
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@vvolam vvolam mentioned this pull request Sep 11, 2024
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Discussed in DASH Community call 9/18/2024
If the DPU is unresponsive and we are trying to recover it, is there a way to hard power cycle a DPU w/o having to power cycle the switch?
Via PCIE express lanes, CPLD, or other?
Force-shut or force-reboot the card (w/o forcing the entire switch), and will it be standardized or supplier-specific?
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prgeor commented Sep 18, 2024

@vvolam

Discussed in DASH Community call 9/18/2024 If the DPU is unresponsive and we are trying to recover it, is there a way to hard power cycle a DPU w/o having to power cycle the switch? Via PCIE express lanes, CPLD, or other? Force-shut or force-reboot the card (w/o forcing the entire switch), and will it be standardized or supplier-specific? @prgeor

@vvolam FYI

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prgeor commented Sep 18, 2024

@vvolam please add all the code PRs to this HLD PR description

@vvolam vvolam mentioned this pull request Sep 24, 2024
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@oleksandrivantsiv oleksandrivantsiv oleksandrivantsiv approved these changes

@rameshraghupathy rameshraghupathy rameshraghupathy approved these changes

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@vvolam @KrisNey-MSFT @prgeor @oleksandrivantsiv @rameshraghupathy @isabelmsft @ganglyu