igb_acquire_nvm_i210(9)

📦 version 7.3.1, in nixpkgs unstable

💅 igb_acquire_nvm_i210(9) — the Kernel API Manual glow-up 🎀

okay so bestie, we're in the Kernel API Manual today and this page is literally about claiming the EEPROM before anyone else touches it. main character energy only, no line cutters ✨

🌸 NAME 🌸

igb_acquire_nvm_i210 — Request for access to EEPROM

like, it's asking politely (but firmly) for the keys to the EEPROM 🔑

✨ SYNOPSIS ✨

s32 igb_acquire_nvm_i210 (struct e1000_hw *hw );

🦋 ARGUMENTS 🦋

  • hw — pointer to the HW structure. this is the whole entire hardware vibe right here, bestie 🫶

💖 DESCRIPTION 💖

so here's the tea 🍓: this function acquires the necessary semaphores for exclusive access to the EEPROM. exclusive!! nobody else gets in, it's giving VIP section 🎀

then it sets the EEPROM access request bit and waits for the EEPROM access grant bit. very "please let me in, i promise i'm chill" 😭

if the access grant bit gets set, it returns successful — slay, we're in 👑

but if it isn't set? it clears the request for EEPROM access and returns -E1000_ERR_NVM (-1). so like... no access, no EEPROM, we pack it up and go home 💀

ngl the -1 return is the "not me getting rejected" moment of this whole function 🙈

🌈 SEE ALSO 🌈

the whole friend group / group chat, in order:

and that's the whole page, periodt 💅

🫶 cute lil sign-off: this one lives in ./drivers/net/ethernet/intel/igb and it's dated October 2026 — literally iconic, mark your calendars bestie 🗓️💜

📦 where this page comes from