ixgbe_write_mbx_pf(9)

💌 ixgbe_write_mbx_pf(9) — like, the Kernel API Manual but make it make sense

Okay bestie, so this is ixgbe_write_mbx_pf from the Kernel API Manual, and she is literally the PF-side mailbox writer. Let's get into it ✨

---

✨ NAME ✨

ixgbe_write_mbx_pf — places a message in the mailbox 📬

---

🎀 SYNOPSIS 🎀

int ixgbe_write_mbx_pf (struct ixgbe_hw *hw , u32 *msg , u16 size , u16
vf_number );

---

🦋 ARGUMENTS 🦋

• hw — pointer to the HW structure 💻 (the hardware bestie in question)
• msg — the message buffer 📝 (your actual message lives here)
• size — length of buffer 📏 (how much of it we're working with)
• vf_number — the VF index 🔢 (which VF we're talking to)

---

🌸 DESCRIPTION 🌸

So the way this works: she returns SUCCESS if it successfully copied the message into the buffer. That's the whole vibe check. Periodt 💅

---

💜 SEE ALSO 💜

Kernel file: ./drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c

And the whole mailbox friend group, no cap:

• ixgbe_read_mbx(9)
• ixgbe_write_mbx(9)
• ixgbe_check_for_msg(9)
• ixgbe_check_for_ack(9)
• ixgbe_check_for_rst(9)
• ixgbe_poll_for_msg(9)
• ixgbe_poll_for_ack(9)
• ixgbe_read_posted_mbx(9)
• ixgbe_write_posted_mbx(9)
• ixgbe_check_for_msg_pf(9)
• ixgbe_check_for_ack_pf(9)
• ixgbe_check_for_rst_pf(9)
• ixgbe_obtain_mbx_lock_pf(9)
• ixgbe_read_mbx_pf(9)
• ixgbe_init_mbx_params_pf(9)

---

🫶 And that's the page! Brought to you by the source ./drivers/net/ethernet/intel/i..., dated October 2026, filed right back under ixgbe_write_mbx_pf(9). Slay, go write some mailboxes 💖