RIO_OP_READ(9)

🌸 NAME 🌸

okay so bestie, welcome to RIO_OP_READ(9) from the Kernel API Manual — this page is lowkey iconic because RIO_OP_READ generates the rio_mport_read_config_* functions. That's the whole name vibe. ✨

✨ SYNOPSIS ✨

RIO_OP_READ (size , type , len );

🎀 ARGUMENTS 🎀

• size — the size of the configuration space read, and it's 8, 16, or 32 bits. Not me being precise or whatever 💅
• type — the C type of the value argument. fr fr, that's what it is.
• len — the length of the configuration space read: 1, 2, or 4 bytes. periodt.

💅 DESCRIPTION 💅

This generates rio_mport_read_config_* functions. Those functions are used to access configuration space registers on the local device. That's the main character energy of this page, and it ate. 🫶

🦋 SEE ALSO 🦋

• Kernel file: ./drivers/rapidio/rio-access.c — yes, that exact path, bestie.
• RIO_LOP_READ(9)
• RIO_LOP_WRITE(9)
• RIO_OP_WRITE(9)
• rio_mport_send_doorbell(9)

source/version vibes come from ./drivers/rapidio, dated October 2026, and this iconic lil page is RIO_OP_READ(9) from the Kernel API Manual. byeee, ily! 🦋💖