hgcm_call_copy_back_result(9)

🌸 NAME 🌸

Okay bestie, we’re in the Kernel API Manual, section 9, and the function on this page is hgcm_call_copy_back_result. 💖 Its whole thing is literally: copies the result of the call back to the caller info structure and user buffers. 🎀

✨ SYNOPSIS ✨

int hgcm_call_copy_back_result (const struct vmmdev_hgcm_call *call ,
struct vmmdev_hgcm_function_parameter *dst_parm , u32 parm_count , void
**bounce_bufs );

🎀 ARGUMENTS 🎀

• call — the HGCM call request. 🫶
• dst_parm — pointer to the function call parameters destination. 📍
• parm_count — the number of function call parameters. 🔢
• bounce_bufs — the bouncebuffer array. 🦋

💖 RETURN 💖

It gives you 0 or a negative errno value. No cap. 💅

🦋 SEE ALSO 🦋

• Kernel file: ./drivers/virt/vboxguest/vboxguest_utils.c 📁
• hgcm_call_preprocess(9)
• hgcm_call_linear_addr_type_to_pagelist_flags(9)
• hgcm_call_init_call(9)
• hgcm_cancel_call(9)
• vbg_hgcm_do_call(9)

okay that’s the whole page bestie 💅 — the footer source/version is ./drivers/virt/vboxguest, dated October 2026. Byeee! 🫶