mei_dmam_dscr_alloc(9)

✨ NAME ✨

okay so this is the mei_dmam_dscr_alloc(9) page from the Kernel API Manual, bestie 💖. mei_dmam_dscr_alloc is literally here to allocate a managed coherent buffer for the dma descriptor. that's the whole assignment. slay.

🦋 SYNOPSIS 🦋

int mei_dmam_dscr_alloc (struct mei_device *dev , struct mei_dma_dscr *dscr );

🌸 ARGUMENTS 🌸

• dev — a mei_device 🫶
• dscr — the dma descriptor ✨

💅 RETURN 💅

• 0 — on success or zero allocation request 👑
• -EINVAL — if size is not power of 2 ⚠️
• -ENOMEM — of allocation has failed 😭

🎀 SEE ALSO 🎀

• Kernel file: ./drivers/misc/mei/dma-ring.c
• mei_dmam_dscr_free(9)
• mei_dmam_ring_free(9)
• mei_dmam_ring_alloc(9)
• mei_dma_ring_is_allocated(9)
• mei_dma_ring_reset(9)
• mei_dma_copy_from(9)
• mei_dma_copy_to(9)
• mei_dma_ring_read(9)
• mei_dma_ring_empty_slots(9)
• mei_dma_ring_write(9)

🫶 mei_dmam_dscr_alloc(9) signing off from source/version ./drivers/misc/mei • date October 2026 — bye bestie! 💖