read_cdat_data(9)

💅 read_cdat_data(9) — like, the CDAT-reading girlie of the Kernel API Manual ✨

okay so bestie, welcome to read_cdat_data(9), straight out of the Kernel API Manual — yes that's the manual name, we're being official today 🎀

---

🌸 NAME 🌸

read_cdat_data — reads the CDAT data on this port, no cap 💖

---

✨ SYNOPSIS ✨

void read_cdat_data (struct cxl_port *port );

literally that's the whole thing. short and iconic 👑

---

🫶 ARGUMENTS 🫶

• port — the port you're pulling data from. that's it. that's the assignment 🦋

---

💜 DESCRIPTION 💜

so here's the tea: this call will sleep 😴 waiting for responses from the DOE mailbox. like, it's not gonna just vibe and come back instantly — it blocks, it naps, it waits for the mailbox to answer. the way that it's literally sleeping on the job and that's the intended behaviour 💅

---

🌈 SEE ALSO 🌈

• the kernel file ./drivers/cxl/core/pci.c — go read it, iykyk 📂
• cxl core pci(9)
• devm_cxl_add_dport_by_dev(9)
• cxl_hdm_decode_init(9)
• cxl_pci_get_latency(9)

all of these are your besties too, go say hi 🫶✨

---

and that's the page, bestie!! 🎀 this one comes to you from the source at ./drivers/cxl/core, dated October 2026 — mwah, slay, see u in the next manpage 💋💖🌟