cxl_count_regblock(9)

💅 cxl_count_regblock — a Kernel API Manual moment

okay so bestie, welcome to the cxl_count_regblock(9) page ✨ this one lives in the Kernel API Manual and honestly? she's short, she's sweet, she counts things. let's get into it 🎀

---

🌸 NAME 🌸

cxl_count_regblock — literally just counts instances of a given regblock type 💖 no cap, that's the whole job.

---

✨ SYNOPSIS ✨

int cxl_count_regblock (struct pci_dev *pdev , enum cxl_regloc_type type
);

like… she takes two things and gives you back an int. iconic behaviour honestly 🫶

---

🦋 ARGUMENTS 🦋

• pdev — the CXL PCI device you wanna enumerate, bestie. that's your starting point 🔍
• type — the Register Block Indicator id 👑 this is the vibe check that decides which regblocks get counted.

---

💀 DESCRIPTION 💀

so here's the tea ☕: some regblocks may be repeated. like, more than once. multiple. wild, i know 😭

and cxl_count_regblock is the one who counts how many instances there are. that's it. that's the function. she counts, she slays, she leaves 💅✨

---

🔥 RETURN 🔥

• a non-negative count of matching regblocks 🎉 (yay, numbers!)
• a negative error code otherwise 😔 (sad girl hours, something went wrong)

---

🌈 SEE ALSO 🌈

• Kernel file ./drivers/cxl/core/regs.c cxl registers(9)
• cxl_probe_component_regs(9)
• cxl_probe_device_regs(9)
• cxl_find_regblock_instance(9)
• cxl_find_regblock(9)

go read those too, iykyk 🧚‍♀️⭐

---

and that's the whole page, bestie!! 🍓 this cutie came from ./drivers/cxl/core and the date on her birth certificate says October 2026 📅💜 mwah, go forth and count those regblocks fr fr 🙈🎀