cmf_readall(9)

🎀 NAME 🎀

okay so bestie, cmf_readall(9) — from the Kernel API Manual — is literally here to read the current channel measurement block. 💅

✨ SYNOPSIS ✨

int cmf_readall (struct ccw_device *cdev , struct cmbdata *data );

🌸 ARGUMENTS 🌸

• cdev — the channel to be read, periodt.
• data — a pointer to a data block that will be filled. fill it up 🫶

💖 RETURN 💖

0 on success, a negative error value otherwise. that's the whole vibe check 😭

🦋 CONTEXT 🦋

any — like, literally any. no cap.

🔥 SEE ALSO 🔥

Kernel file ./drivers/s390/cio/cmf.c, plus enum cmb_format(9), struct cmb_operations(9), struct cmb_area(9), struct cmb(9), struct cmbe(9), enable_cmf(9), __disable_cmf(9), disable_cmf(9), cmf_read(9), cmf_reactivate(9). go be nosy, bestie. iykyk 👑

mwah 💋 this page is brought to you by ./drivers/s390/cio, dated October 2026. slay and goodbye, bestie! 🌈