mei_ioctl_connect_vtag(9)
π mei_ioctl_connect_vtag β bestie's guide to the kernel API manual β¨
okay so real talk, this is the manual page for mei_ioctl_connect_vtag(9), and yes it's a kernel API page but don't panic, we're gonna get through it together π«Ά
π NAME π
mei_ioctl_connect_vtag β the move where you connect to an fw client using the vtag IOCTL function. that's it, that's the whole vibe π«
πΈ SYNOPSIS πΈ
int mei_ioctl_connect_vtag (struct file *file , const uuid_le
*in_client_uuid , struct mei_client *client , u8 vtag );
literally four parameters, copy it exactly, no cap π
π¦ ARGUMENTS π¦
fileβ the private data of the file object. like, the file's personal little stash of secrets πin_client_uuidβ the requested UUID for the connection. this is the "who am i trying to reach" energy πclientβ the IOCTL connect data, and heads up: these are output parameters, so they come back out at you πvtagβ vm tag. short, sweet, iconic β¨
π₯ DESCRIPTION π₯
so here's the one thing you HAVE to know: Locking: called under "dev->device_lock" lock. like, it is not out here freelancing, it's called while that lock is already held, periodt ππ
β RETURN β
0on success π₯³<0on failure π
that's the whole vibe check: zero is slay, negative is not π
π SEE ALSO π
bestie there are SO many friends in this friend group, buckle up:
- Kernel file
./drivers/misc/mei/main.c mei_open(9)mei_cl_vtag_remove_by_fp(9)mei_release(9)mei_read(9)mei_cl_vtag_by_fp(9)mei_write(9)mei_ioctl_connect_client(9)mei_vt_support_check(9)mei_ioctl_client_notify_request(9)mei_ioctl_client_notify_get(9)mei_ioctl(9)mei_poll(9)mei_cl_is_write_queued(9)mei_fsync(9)mei_fasync(9)trc_show(9)fw_status_show(9)hbm_ver_show(9)hbm_ver_drv_show(9)fw_ver_show(9)dev_state_show(9)mei_set_devstate(9)kind_show(9)mei_minor_get(9)mei_minor_free(9)
like genuinely a whole squad, every single one of them named, don't skip any π§ββοΈ
and that's the page!! mwah π this little cutie lives in ./drivers/misc/mei, dated October 2026, and it will always answer to the name mei_ioctl_connect_vtag(9) β go forth and lock responsibly, bestie πππ¦
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms