STRUCT TEST_SG_DIVISION(9)

💅 struct test_sg_division(9) 💅

okay so this is a page from the Kernel API Manual, and it's all about struct test_sg_division — literally just a description of a scatterlist entry. bestie, that's it, that's the whole vibe ✨

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🌸 SYNOPSIS 🌸

like, here's the shape of it, no cap:

struct test_sg_division {
    unsigned int proportion_of_total;
    unsigned int offset;
    bool offset_relative_to_alignmask;
    enum flush_type flush_type;
    bool nosimd;
 };

(yeah there's a lil extra space before that closing brace, we don't question it, we respect it 🫶)

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🎀 Members 🎀

• proportion_of_total — how long this chunk is compared to the total length, given as a proportion out of TEST_SG_TOTAL so it scales to fit any test vector. it's giving adaptable, iconic, main character energy 👑
• offset — the byte offset into a 2-page buffer where this chunk is gonna start. like, where it sits. its little home 🏠
• offset_relative_to_alignmask — if this is true, bestie, we add the algorithm's alignmask to the offset. that's the whole thing ✨
• flush_type — for hashes, this decides whether an update should happen right now vs. continuing to accumulate data. so like… do it now or keep stacking? the eternal question 💀
• nosimd — if we're doing the pending update, should we do it with SIMD disabled? bool, so yes or no, no in-between 🙈

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🦋 Description 🦋

so this struct describes one entry of a scatterlist that's being constructed to check a crypto test vector. one entry. one lil guy. doing its part in the bigger picture 🧚

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⭐ SEE ALSO ⭐

go check these out, iykyk:

• Kernel file ./crypto/testmgr.c
• struct testvec_config(9)
• build_test_sglist(9)

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and that's the page!! mwah 💖 this little beauty lives in ./crypto, it's stamped October 2026, and it goes by struct test_sg_division(9) — periodt. 👑🎀