pnv_eeh_set_option(9)

💖 pnv_eeh_set_option — the glow-up page ✨

okay bestie, so we're in the Kernel API Manual today, and this one is a little PowerNV/EEH function called pnv_eeh_set_option. It's short, it's sweet, and it's literally the main character of EEH global control. let's get into it 🎀

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🌸 SYNOPSIS 🌸

int pnv_eeh_set_option (struct eeh_pe *pe , int option );

that's it. that's the whole vibe. two arguments, one int coming back at you. slay. 💅

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✨ ARGUMENTS ✨

• pe — the EEH PE. yes queen, this is your processing element, the thing you're operating on 🫶
• option — the operation to be issued. like, the actual thing you want done. pick your fighter.

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👑 DESCRIPTION 👑

so the tea is this: pnv_eeh_set_option is used to control the EEH functionality globally. globally, bestie, not locally, not casually, globally. 🌈

and currently, according to PAPR, these are the options that are supported:

• Enable EEH 🔥
• Disable EEH 💀
• Enable MMIO 💜
• Enable DMA ⭐

that's the whole list. four iconic options, no cap. iykyk. ✨

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🦋 SEE ALSO 🦋

• Kernel file ./arch/powerpc/platforms/powernv/eeh-powernv.c — go read the source, it's giving homework but make it cute 📚
• pnv_eeh_post_init(9)
• pnv_eeh_probe(9)
• pnv_eeh_get_state(9)
• pnv_eeh_reset(9)
• pnv_eeh_get_log(9)
• pnv_eeh_configure_bridge(9)
• pnv_eeh_next_error(9)
• eeh_powernv_init(9)

like a little friend group of functions, all hanging out in ./arch/powerpc/platforms/powernv. obsessed. 💖

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okay that's the page!! mwah 💋 this one's from the Kernel API Manual, lives in ./arch/powerpc/platforms/powernv, and the date on it is October 2026 — so yeah, it's futuristic and iconic and you should fr fr bookmark it. byeeee 🧚‍♀️🌸