tee_client_open_session(9)

🧚‍♀️✨ tee_client_open_session(9) 💖 Kernel API Manual ✨🧚‍♀️

okay bestie, gather round 🫶 this one is all about opening a session to a Trusted Application, and it's giving kernel-API main character energy. no cap, it's short and slay.

🌸 NAME 🌸

tee_client_open_session — Open a session to a Trusted Application 💅

✨ SYNOPSIS ✨

int tee_client_open_session (struct tee_context *ctx , struct
       tee_ioctl_open_session_arg *arg , struct tee_param *param );

🎀 ARGUMENTS 🎀

• ctx — TEE context 🌀
• arg — Open session arguments, see description of struct tee_ioctl_open_session_arg 👀
• param — Parameters passed to the Trusted Application 🍓

💖 DESCRIPTION 💖

Okay so here's the tea ☕: this returns < 0 on error; otherwise, check arg->ret for the result. If arg->ret is TEEC_SUCCESS, the session identifier is available in arg->session. That's it — iconic, concise, periodt. 👑

🦋 SEE ALSO 🦋

the whole squad, linked and everything 👯‍♀️:

• Kernel file ./include/linux/tee_drv.h
• struct tee_context(9)
• struct tee_shm(9)
• tee_shm_alloc_kernel_buf(9)
• tee_shm_register_kernel_buf(9)
• tee_shm_register_fd(9)
• tee_shm_free(9)
• tee_shm_get_va(9)
• tee_shm_get_pa(9)
• tee_shm_get_size(9)
• tee_shm_get_pages(9)
• tee_shm_get_page_offset(9)
• tee_client_open_context(9)
• tee_client_close_context(9)
• tee_client_get_version(9)
• tee_client_close_session(9)
• tee_client_system_session(9)
• tee_client_invoke_func(9)
• tee_client_cancel_req(9)
• struct tee_client_device(9)
• struct tee_client_driver(9)

xoxo, your kernel bestie 💜 this tee_client_open_session(9) page came from ./include/linux, dated October 2026, in the Kernel API Manual. 🎀✨