hl_mmu_v1_ctx_init(9)

💅 hl_mmu_v1_ctx_init(9) 💅

okay so bestie, we're in the Kernel API Manual today and the star of the show is hl_mmu_v1_ctx_init — literally the glow-up routine for a context before it gets to hang out with the MMU module. 🧚✨

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✨ NAME ✨

hl_mmu_v1_ctx_init — initializes a context for using the MMU module. that's it, that's the vibe. 🎀

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🌸 SYNOPSIS 🌸

int hl_mmu_v1_ctx_init (struct hl_ctx *ctx );

no cap, that's the whole signature. short and iconic. 💅

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🦋 ARGUMENTS 🦋

• ctx — pointer to the context structure you're initializing. hand it over and let the function do its thing. 🫶

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💖 DESCRIPTION 💖

so what's actually happening in here? two things, and honestly both of them ate:

• it initializes a mutex — the whole point is to protect the concurrent mapping flow, so everybody plays nice and nobody's stepping on anybody else's mapping. 🔥
• it initializes a hash — this one holds all the page tables hops related to this context. yes, all of them. 👑

basically it's the setup arc before the real plot kicks off. main character energy for real. ⭐

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👑 RETURN 👑

• 0 on success 😌💖
• non-zero otherwise 💀

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🌈 SEE ALSO 🌈

• Kernel file ./drivers/accel/habanalabs/common/mmu/mmu_v1.c — go read it, iykyk 🍓

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bestie reminder: this page is brought to you by ./drivers/accel/habanalabs/com... and it's dated October 2026 — so yeah, we're a little time-travel-y here, periodt. 🦋💜