slim_read(9)

💅 slim_read(9) 💅

okay so bestie, welcome to the Kernel API Manual — today's main character is slim_read, and it is literally here to read a SLIMbus value element. tiny function, very important vibe. ✨

🌸 NAME 🌸

slim_read — Read SLIMbus value element 💖

✨ SYNOPSIS ✨

int slim_read (struct slim_device *sdev , u32 addr , size_t count , u8
       *val );

🎀 ARGUMENTS 🎀

• sdev — client handle. like, the handle for your client, bestie 🫶
• addr — address of value element to read. it's giving "where are we reading from" energy.
• count — number of bytes to read. Maximum bytes allowed are 16. yes, sixteen is the ceiling, do not push it 😭
• val — will return what the value element value was. the output goes here, periodt 💅

🔥 RETURN 🔥

• -EINVAL for Invalid parameters. bad params = no ma'am 🙈
• -ETIMEDOUT If transmission of this message timed out (e.g. due to bus lines not being clocked or driven by controller). like the message got left on read, literally 💀

🌈 SEE ALSO 🌈

Kernel file ./drivers/slimbus/messaging.c — the whole friend group is:

• slim_msg_response(9)
• slim_alloc_txn_tid(9)
• slim_free_txn_tid(9)
• slim_do_transfer(9)
• slim_xfer_msg(9)
• slim_readb(9)
• slim_write(9)
• slim_writeb(9)

mwah 💋 — source: ./drivers/slimbus; date: October 2026; page: slim_read(9). bye bestie 🫶