e1000e_read_kmrn_reg(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… e1000e_read_kmrn_reg β€” like, the kumeran register reader (from the Kernel API Manual, bestie) ✨

okay so welcome to the group chat, this is e1000e_read_kmrn_reg(9) and she's here to read a kumeran register for you. no cap, that's the whole vibe. πŸ¦‹


🌸 NAME 🌸

e1000e_read_kmrn_reg β€” read kumeran register πŸ‘‘


πŸŽ€ SYNOPSIS πŸŽ€

s32 e1000e_read_kmrn_reg (struct e1000_hw *hw , u32 offset , u16 *data );

✨ ARGUMENTS ✨

  • hw β€” pointer to the HW structure πŸ’œ like, this is your hardware bestie, hand her over
  • offset β€” register offset to be read πŸ“ exactly which register we're peeking at
  • data β€” pointer to the read data 🫢 this is where the tea gets stored

πŸ”₯ DESCRIPTION πŸ”₯

So here's the sequence, and it's giving very "respect the lock" energy, honestly.

First she acquires the semaphore β€” yes, we wait our turn, we are not rude β€” then she reads the PHY register at offset using the kumeran interface. The information she retrieves gets stored in data. πŸ“₯

And then β€” and this is the important part, do not skip it β€” she releases the acquired semaphore before exiting. Periodt. You take the lock, you give the lock back. That's the whole personality. πŸ’…


🌈 SEE ALSO 🌈

Kernel file: ./drivers/net/ethernet/intel/e1000e/phy.c πŸ“

the whole extended friend group, one per bullet, iykyk:


πŸ’– that's the whole page, bestie πŸ’– quick lil sign-off: this one comes from ./drivers/net/ethernet/intel/e... and it's dated October 2026 β€” no, I don't know why the future either, but she ate and left no crumbs. πŸ‘‘πŸŽ€πŸ’€

πŸ“¦ where this page comes from