e1000_acquire_nvm_82571(9)

📦 version 7.3.1, in nixpkgs unstable

🎀 e1000_acquire_nvm_82571 — the "please can I touch the EEPROM" function 🎀

okay so bestie, welcome to the e1000_acquire_nvm_82571(9) page from the Kernel API Manual 💖 this one is short and sweet but she's important, so grab your iced coffee and let's go ✨

✨ NAME ✨

e1000_acquire_nvm_82571 — the function that politely (but firmly) requests access to the EEPROM 👑

🌸 SYNOPSIS 🌸

s32 e1000_acquire_nvm_82571 (struct e1000_hw *hw );

like yes, that's the whole signature, she's lowkey minimal and I respect it 💅

🦋 ARGUMENTS 🦋

  • hw — pointer to the HW structure. that's it. that's the one (1) argument. she's carrying the whole hardware context on her shoulders, main character energy fr 🫶

🧚 DESCRIPTION 🧚

so to gain access to the EEPROM, first we must obtain a hardware semaphore. yes bestie, semaphore, we're doing proper locking around here 🔒

then, for non-82573 hardware, we set the EEPROM access request bit and wait for the EEPROM access grant bit ⭐ and if the access grant bit is not set? we release the hardware semaphore. like okay, no hard feelings, we'll come back later 😭 not me getting ghosted by a grant bit 💀

ngl, the flow is literally: grab semaphore → (if not 82573) request access → wait for grant → if no grant, drop the semaphore. no cap, that's the whole vibe check 🌈

👑 SEE ALSO 👑

the source lives in the kernel file ./drivers/net/ethernet/intel/e1000e/82571.c — go read her, she's iconic 📖✨

and here's the whole friend group, all the siblings that show up in the same file 🫶

like… that's a lot of siblings, but every single one of them matters, so I listed them all, no skips, no cuts 💜

that's the page bestie!! this one came from the ./drivers/net/ethernet/intel/e... source and it's dated October 2026, so like… future-coded and timeless at the same time 🦋✨ mwah, go read your EEPROM docs, ily, bye!! 💅🎀

📦 where this page comes from