rio_send_doorbell(9)

💅 NAME 💅

okay so bestie, this page is rio_send_doorbell(9) from the Kernel API Manual, and it's literally about sending a doorbell message to a device. no cap. 🔔✨

rio_send_doorbell — Send a doorbell message to a device.

---

✨ SYNOPSIS ✨

int rio_send_doorbell (struct rio_dev *rdev , u16 data );

---

🎀 ARGUMENTS 🎀

• rdev — RIO device 🫶
• data — Doorbell message data 💌

---

🌸 DESCRIPTION 🌸

Send a doorbell message to a RIO device. The doorbell message has a 16-bit info field provided by the data argument. that's the whole vibe, bestie 💅

---

💖 SEE ALSO 💖

Kernel file: ./include/linux/rio_drv.h

the whole cross-reference squad, periodt:

• rio_local_read_config_32(9)
• rio_local_write_config_32(9)
• rio_local_read_config_16(9)
• rio_local_write_config_16(9)
• rio_local_read_config_8(9)
• rio_local_write_config_8(9)
• rio_read_config_32(9)
• rio_write_config_32(9)
• rio_read_config_16(9)
• rio_write_config_16(9)
• rio_read_config_8(9)
• rio_write_config_8(9)
• rio_init_mbox_res(9)
• rio_init_dbell_res(9)
• RIO_DEVICE(9)
• rio_add_outb_message(9)
• rio_add_inb_buffer(9)
• rio_get_inb_message(9)
• rio_name(9)
• rio_get_drvdata(9)
• rio_set_drvdata(9)

---

sign-off bestie: source/version ./include/linux, date October 2026, page rio_send_doorbell(9) — mwah 💋🌈