mei_hbm_cl_dma_unmap_req(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’– mei_hbm_cl_dma_unmap_req πŸ’–

okay so bestie, welcome to the Kernel API Manual ✨ β€” this little cutie lives in the kernel's MEI (Intel Management Engine Interface) corner and it's literally the function that sends a client dma unmap request. that's the whole vibe. no cap. πŸŽ€


✨ NAME ✨

mei_hbm_cl_dma_unmap_req β€” send client dma unmap request πŸ¦‹


🌸 SYNOPSIS 🌸

int mei_hbm_cl_dma_unmap_req (struct mei_device *dev , struct mei_cl *cl );

πŸ’… ARGUMENTS πŸ’…

  • dev β€” the device structure πŸ‘‘ (yes, the struct mei_device * one)
  • cl β€” mei host client 🫢 (your struct mei_cl *, the main character here)

⭐ RETURN ⭐

0 on success, and -EIO on write failure 😭 β€” so like, if the write flops, you're getting -EIO back, periodt.


🌈 SEE ALSO 🌈

okay this list is long but we do NOT skip it, we love completeness in this house πŸ’œ (iykyk). all of these are kernel file ./drivers/misc/mei/hbm.c besties:


and that's the whole page, bestie πŸ’–βœ¨ no notes, ate and left no crumbs. this iconic lil manpage was served up from ./drivers/misc/mei and dated October 2026 β€” catch you in the next one, mwah πŸŽ€πŸ’œπŸ¦‹

πŸ“¦ where this page comes from