ice_cpi_wait_req0_ack0(9)

✨ NAME ✨

okay so bestie, this is ice_cpi_wait_req0_ack0(9) from the Kernel API Manual — and it literally “waits for CPI interface to be available”. that’s the whole assignment 💅

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🌸 SYNOPSIS 🌸

int ice_cpi_wait_req0_ack0 (struct ice_hw *hw , int phy );

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🎀 ARGUMENTS 🎀

• hw — pointer to the HW struct. iconic little pointer behavior 🫶
• phy — phy index of port the CPI action is taken on. yes ma’am 🌈

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🦋 DESCRIPTION 🦋

This function checks if CPI interface is ready to use by CPI client. no cap, that’s the mission 💖

It’s done by assuring LM.CMD.REQ and PHY.CMD.ACK bit in CPI interface registers to be 0. literally just vibe-checking those bits for a clean 0, periodt ✨

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💖 RETURN 💖

• 0 on success 👑
• negative on error 😭

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👑 SEE ALSO 👑

• Kernel file ./drivers/net/ethernet/intel/ice/ice_cpi.c
• ice_cpi_get_dest_dev(9), ice_cpi_write_phy(9), ice_cpi_read_phy(9), ice_cpi_wait_ack(9), ice_cpi_req0(9), ice_cpi_exec_cmd(9), ice_cpi_phy_lock(9), ice_cpi_exec(9), ice_cpi_set_cmd(9), ice_cpi_ena_dis_clk_ref(9) — the whole friend group, fr fr 🦋

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that’s the page, bestie 🫶 this cutie comes from source ./drivers/net/ethernet/intel/ice, dated October 2026, and it’s serving Kernel API Manual energy. bye 💅✨