wx_check_for_msg_pf(9)

📦 version 7.3.1, in nixpkgs unstable

💌 wx_check_for_msg_pf(9) — the "did my VF text me?" check 💌

okay so bestie, welcome to wx_check_for_msg_pf(9) from the Kernel API Manual (section 9, we're fancy here 💅). This is the little function that peeks at the mailbox and goes "hiii, did the VF leave a message??" 📬 No cap, that's literally the whole job.

✨ NAME ✨

wx_check_for_msg_pf — checks to see if the VF has sent mail 💌🦋

like, imagine your phone buzzing and you're like "omg is that them" — that's this function. it's giving attentive bestie energy.

🌸 SYNOPSIS 🌸

int wx_check_for_msg_pf (struct wx *wx , u16 vf );

that's it, that's the whole vibe. returns an int, takes two args, slays. ✨

🎀 ARGUMENTS 🎀

  • wx — pointer to the HW structure. this is the hardware bestie, the main character of the story 👑
  • vf — the VF index. which VF are we checking on? cause there's a whole group chat of them, and you gotta know who's texting 📱

💀 RETURN 💀

  • returns 0 if the VF has got req bit 🔥 (yasss, they messaged, the mail is there)
  • or else -EBUSY 😭 (nope, nothing, busy vibes, no message for you)
fr fr keep in mind: -EBUSY isn't like an error-error, it's just the "no mail rn" answer. don't panic. 🙈

🌈 SEE ALSO 🌈

the kernel file this lives in is ./drivers/net/ethernet/wangxun/libwx/wx_mbx.c — that's the home base 🏠💜

and here's the whole friend group, all the related mailbox functions (yes, all fifteen, we're listing every single one, no skipping, periodt):

the pf ones are the PF-side squad, the vf ones are the VF-side squad, and the ones without a suffix are the chill neutral ones that get along with everybody 🫶

🌟 cute little sign-off 🌟

this page came from ./drivers/net/ethernet/wangxun... (the path got a little truncated, she's mysterious like that 🧚) and it's dated October 2026 ⭐ — yes, the future, we're iconic. it's part of the Kernel API Manual. bye bestie, go check your mailbox 💖🍓

📦 where this page comes from