igc_release_swfw_sync_i225(9)
π igc_release_swfw_sync_i225 β release that SW/FW semaphore, bestie π
Okay so this is a page from the Kernel API Manual (yes, the kernel has lore and this is part of it), and it's all about the igc_release_swfw_sync_i225 function β the "okay I'm done in there, you can have the lock back" half of a semaphore handshake. π
β¨ SYNOPSIS β¨
void igc_release_swfw_sync_i225 (struct igc_hw *hw , u16 mask );
Short, sweet, and it returns void β no return value to obsess over, she just does the thing and leaves. π
πΈ ARGUMENTS πΈ
hwβ pointer to the HW structure. The whole hardware situation, passed by reference like a group chat invite. π«Άmaskβ specifies which semaphore to acquire. Yes, "acquire" β that's literally what the original says, and we're not changing a single word of it, so here it is exactly like that. π (It's telling you which lock we're talking about β and in the DESCRIPTION it also picks the port. More on that in a sec. π)
π¦ DESCRIPTION π¦
So the vibe: you release the SW/FW semaphore β the one that software and firmware both have to hold before touching the PHY or the NVM. Think of it as the bathroom key at a gas station but for hardware access. π
The mask also specifies which port we're releasing the lock for. So it's not just "unlock everything and run" β no, it's targeted, it's specific, it's main character energy with boundaries. β¨
Not me casually dropping "PHY or NVM" like you're supposed to know β but fr fr, those are the two things this semaphore gates access to, straight from the page. π
π SEE ALSO π
Bestie, the whole friend group is here β one kernel file and a truly iconic amount of related functions:
- Kernel file
./drivers/net/ethernet/intel/igc/igc_i225.cβ the source file, the mothership, the address. π igc_acquire_nvm_i225(9)igc_release_nvm_i225(9)igc_get_hw_semaphore_i225(9)igc_acquire_swfw_sync_i225(9)igc_read_nvm_srrd_i225(9)igc_write_nvm_srwr(9)igc_write_nvm_srwr_i225(9)igc_validate_nvm_checksum_i225(9)igc_pool_flash_update_done_i225(9)igc_update_flash_i225(9)igc_update_nvm_checksum_i225(9)igc_get_flash_presence_i225(9)igc_init_nvm_params_i225(9)igc_set_eee_i225(9)
Like, that's the entire committee. Go read them, they're all giving something. π
π§ Sign-off π§
This lil page lives with the ./drivers/net/ethernet/intel/igc directory (its home turf π) and it's dated October 2026 β so mark your calendars, bestie, this manpage is booked and busy. πβ¨ Slay. Periodt. π
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms