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METHOD, APPARATUS, AND SYSTEM FOR PROPAGATING PCIE HOT RESET ACROSS A NON-TRANSPARENT BRIDGE ON A PCIE ADD-IN CARD
METHOD, APPARATUS, AND SYSTEM FOR PROPAGATING PCIE HOT RESET ACROSS A NON-TRANSPARENT BRIDGE ON A PCIE ADD-IN CARD
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机译:跨非透明桥在PCIe附加卡上传播PCIe热重置的方法,装置和系统
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摘要
Aspects of the embodiments are directed to propagating an in-band hot reset through an add-in card compliant with a peripheral component interconnect express (PCIe) protocol. A host system can transmit an in-band hot reset to the add-in card across a link compliant with the PCIe protocol. A non-transparent bridge (NTB) on the add-in card can receive the in-band hot reset and reset configuration registers on the NTB. A system management controller can poll the NTB register values to determine that the polled configuration registers are different from expected values stored on an electrically erasable programmable random access memory (EEPROM). The SMC can signal a warm reset to a peripheral component based on the determination that the polled configuration register value is different from the expected register value.
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