__vmbus_recvpacket(9)

💖 __vmbus_recvpacket(9) — Kernel API Manual 💖

🌸 NAME 🌸

okay so bestie, this is __vmbus_recvpacket: it will Retrieve the user packet on the specified channel. that's literally the whole name vibe 🎀

✨ SYNOPSIS ✨

int __vmbus_recvpacket (struct vmbus_channel *channel , void *buffer ,
       u32 bufferlen , u32 *buffer_actual_len , u64 *requestid , bool raw );

🎀 ARGUMENTS 🎀

• channel — Pointer to vmbus_channel structure. like, it's the channel you're grabbing from 💅
• buffer — Pointer to the buffer you want to receive the data into. drop the data right in there 🫶
• bufferlen — Maximum size of what the buffer can hold. no overflowing, bestie 😭
• buffer_actual_len — The actual size of the data after it was received. the real real 💖
• requestid — Identifier of the request. iykyk ✨
• raw — true means keep the vmpacket_descriptor header in the received data. raw girl summer 🌈

🦋 DESCRIPTION 🦋

okay so what does it do? it receives directly from the hyper-v vmbus and puts the data it received into Buffer. this will receive the data unparsed from hyper-v. it's mainly used by Hyper-V drivers. slay, honestly 🫶🔥

👑 SEE ALSO 👑

go check out these iconic friends, bestie:

• Kernel file ./drivers/hv/channel.c
• vmbus_free_buffer(9)
• vmbus_alloc_buffer(9)
• request_arr_init(9)
• vmbus_sendpacket_getid(9)
• vmbus_sendpacket(9)

💖 okay that's the whole page bestie — source/version: ./drivers/hv · date: October 2026 · page: __vmbus_recvpacket(9) — periodt 💖