fpm_to_idx(9)

💅 fpm_to_idx(9) — like, the whole vibe

okay so bestie, welcome to fpm_to_idx(9), a page straight out of the Kernel API Manual ✨ — it's short, it's sweet, and it does exactly one (1) thing. No cap. 🎀

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✨ NAME ✨

fpm_to_idx — given fpm address, get pble index 🦋

That's it. That's the whole assignment. You hand it an fpm address, it hands you back the pble index. Iconic, honestly. 👑

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🌸 SYNOPSIS 🌸

u32 fpm_to_idx (struct irdma_hmc_pble_rsrc *pble_rsrc , u64 addr );

look at her. returns a u32, takes two args, done. main character energy fr fr 💖

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🎀 ARGUMENTS 🎀

• pble_rsrc — the pble resource management situation 🗂️ like, this is the bookkeeping struct you're working inside of.
• addr — the fpm address you want the index for 🔍 give her the address, she gives you the index.

ngl there are only two arguments, so if you were bracing for a lore drop… that's the whole list. slay for brevity 💅

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🔥 SEE ALSO 🔥

Ok this is where it gets good — the whole friend group is here 🫶

Kernel file: ./drivers/infiniband/hw/irdma/pble.c — go read the source, iykyk 📖

and the rest of the crew:

• irdma_destroy_pble_prm(9)
• irdma_hmc_init_pble(9)
• get_sd_pd_idx(9)
• add_sd_direct(9)
• add_bp_pages(9)
• irdma_get_type(9)
• add_pble_prm(9)
• free_lvl2(9)
• get_lvl2_pble(9)
• get_lvl1_pble(9)
• get_lvl1_lvl2_pble(9)
• irdma_get_pble(9)
• irdma_free_pble(9)

literally the entire pble cinematic universe 🌈⭐

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and that's the page, bestie 🧚 mwah 💋 — this lil masterpiece lives at ./drivers/infiniband/hw/irdma, it's dated October 2026, and it answers to the name fpm_to_idx(9). periodt. 💜