hl_cq_fini(9)

💅 hl_cq_fini — destroy completion queue 💅

okay so bestie, this is hl_cq_fini(9) from the Kernel API Manual, and it's literally the cleanup era of the completion queue lifecycle 🎀 no cap, sometimes you gotta say bye 👋

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✨ SYNOPSIS ✨

void hl_cq_fini (struct hl_device *hdev , struct hl_cq *q );

it's giving "void function, no return value, no drama" 🫶 like it does the thing and dips, periodt.

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🦋 ARGUMENTS 🦋

• hdev — pointer to device structure. this is your main character device struct, the one holding all the context 💖
• q — pointer to cq structure. the actual completion queue we're about to send to its farewell tour ✨

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🌸 DESCRIPTION 🌸

Free the completion queue memory. that's it, that's the whole vibe 🧹✨ the CQ memory gets released, and honestly? iconic behavior. it's the final chapter, the last slide in the slideshow, the "thanks for coming to my ted talk" moment 😭💜

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🔥 SEE ALSO 🔥

Kernel file ./drivers/accel/habanalabs/common/irq.c — that's where the source lives iykyk 💅

and the whole friend group of related calls, fr fr:

• struct hl_eqe_work(9)
• hl_cq_inc_ptr(9)
• hl_eq_inc_ptr(9)
• job_finish(9)
• cs_finish(9)
• hl_irq_handler_cq(9)
• hl_irq_user_interrupt_handler(9)
• hl_irq_user_interrupt_thread_handler(9)
• hl_irq_handler_eq(9)
• hl_irq_handler_dec_abnrm(9)
• hl_cq_init(9)
• hl_eq_init(9)
• hl_eq_fini(9)

it's giving "found family of kernel symbols" 🥹 assorted siblings, all in the same directory: ./drivers/accel/habanalabs/common 🌈

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and that's the page, bestie! 🌟 this little number is served up from those habanalabs common driver source files in ./drivers/accel/habanalabs/common, dated October 2026 — go off, hl_cq_fini(9) 👑💖🎀