xilinx_dpdm...lloc_sw_desc(9)

📦 version 7.3.1, in nixpkgs unstable

💅 xilinx_dpdma_chan_alloc_sw_desc — Kernel API Manual energy ✨

okay so bestie, welcome to the Kernel API Manual, section 9, and today's main character is xilinx_dpdma_chan_alloc_sw_desc(9) 🎀 like yes the title got truncated in the header but we know her full name and we're obsessed 💖

🌸 NAME 🌸

xilinx_dpdma_chan_alloc_sw_desc — Allocate a software descriptor 🦋

✨ SYNOPSIS ✨

struct xilinx_dpdma_sw_desc * xilinx_dpdma_chan_alloc_sw_desc (struct
xilinx_dpdma_chan *chan );

like, she takes a channel and hands you back a pointer to a software descriptor, no cap 💅

🎀 ARGUMENTS 🎀

  • chan — the DPDMA channel, that's it, that's the whole vibe 🫶

💖 DESCRIPTION 💖

So what she does is: she allocates a software descriptor from the channel's descriptor pool. That's the tea ☕ — the pool belongs to the channel, and she's just pulling one out for you. Lowkey iconic ✨

🌈 RETURN 🌈

She returns a software descriptor or NULL — so like, check it, bestie 😭 if you get NULL that's your sign 🙈

👑 SEE ALSO 👑

okay this list is long but we do not skip a single one, periodt 💀 every single reference, here we go:

like that's the whole friend group fr fr 🫶💜

and that's the page bestie!! 🌈✨ it lives over in ./drivers/dma/xilinx and the version is from October 2026, so mark your calendar 🎀 tysm for reading, ily, go allocate responsibly 💅💖

📦 where this page comes from