dpbp_open(9)

📦 version 7.3.1, in nixpkgs unstable

💖 dpbp_open(9) 💖

okay so welcome to the Kernel API Manual page for dpbp_open(9), bestie — this is the lowkey important one about opening a control session, and yes we are gonna cover every single detail. 🫶

🌸 NAME 🌸

dpbp_open — open a control session for the specified object. 💅

✨ SYNOPSIS ✨

int dpbp_open (struct fsl_mc_io *mc_io , u32 cmd_flags , int dpbp_id ,
u16 *token );

🎀 ARGUMENTS 🎀

  • mc_io — pointer to MC portal's I/O object. 🌀
  • cmd_flags — command flags; one or more of 'MC_CMD_FLAG_'. ✨
  • dpbp_id — DPBP unique ID. 🆔
  • token — returned token; use in subsequent API calls. 🔑

💅 DESCRIPTION 💅

so this function can be used to open a control session for an already created object — and an object may have been declared in the DPL or by calling the dpbp_create function. no cap. 🧚

this function returns a unique authentication token, associated with the specific object ID and the specific MC portal; this token must be used in all subsequent commands for this specific object. periodt. 👑

🫶 RETURN 🫶

literally nothing is listed here in the original — the RETURN section is empty, bestie. no return details are documented on this page. 🙈

🦋 SEE ALSO 🦋

the kernel file is ./drivers/bus/fsl-mc/dpbp.c — go look at that for the whole vibe. 👀

okay that's the whole page, bestie — signing off from ./drivers/bus/fsl-mc 💜, dated October 2026, on dpbp_open(9). slay. ✨

📦 where this page comes from