hfi1_user_sd...cess_request(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… hfi1_user_sd...cess_request(9)

okay so this one lives in the Kernel API Manual, bestie β€” that's the manual name, yes it's giving very official, and the page is literally called hfi1_user_sd...cess_request (yes the name is truncated with the ..., that's just how it's written, don't come for me 🫢).


✨ NAME ✨

hfi1_user_sdma_process_request β€” Process and start a user sdma request πŸ”₯


🌸 SYNOPSIS 🌸

int hfi1_user_sdma_process_request (struct hfi1_filedata *fd , struct
iovec *iovec , unsigned long dim , unsigned long *count );

like,, that's the whole signature, no cap. Copy it exactly if you're typing it out πŸ’–


πŸŽ€ ARGUMENTS πŸŽ€

  • fd β€” valid file descriptor ✨ (it has to be valid, bestie, that's the vibe check)
  • iovec β€” array of io vectors to process πŸ¦‹
  • dim β€” overall iovec array size, like the total size of the whole array πŸ‘‘
  • count β€” number of io vector array entries processed ⭐
ngl the argument list is short and sweet, so there's genuinely no excuse to get it wrong πŸ™ˆ

πŸ’œ SEE ALSO πŸ’œ

  • Kernel file ./drivers/infiniband/hw/hfi1/user_sdma.c β€” go read it, it's right there 🧚
  • user_sdma_txreq_cb(9) β€” the sibling function, iykyk 😭

and that's the whole page, periodt πŸ’…βœ¨

so this little icon comes from ./drivers/infiniband/hw/hfi1, dated October 2026, and the page header is hfi1_user_sd...cess_request(9) β€” mwah, go slay your sdma requests bestie πŸŽ€πŸ«ΆπŸ’–

πŸ“¦ where this page comes from