ENUM MLX5_FPGA_ACCESS_TYPE(9)

💅 enum mlx5_fpga_access_type(9) — the kernel API manual, bestie edition

okay so this is a page from the Kernel API Manual about enum mlx5_fpga_access_type, and before you ask — yes it's a whole enum just for how you talk to device memory. icon status honestly.

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✨ NAME ✨

enum mlx5_fpga_access_type — it enumerates the different methods possible for accessing the device memory address space 🎀

like, literally it's just a list of your options. that's the whole vibe.

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🌸 SYNOPSIS 🌸

here's the shape of it, copy it exactly or the compiler will simply perceive you:

enum mlx5_fpga_access_type {
    MLX5_FPGA_ACCESS_TYPE_I2C ,
    MLX5_FPGA_ACCESS_TYPE_DONTCARE

};

two members. that's it. two. she's lowkey minimalist 💅

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💖 CONSTANTS 💖

okay bestie here's the actual tea on each one:

• MLX5_FPGA_ACCESS_TYPE_I2C — use the slow CX-FPGA I2C bus 🐌 like yeah it works but it's giving "walking instead of taking the bus". slow and steady, no cap.
• MLX5_FPGA_ACCESS_TYPE_DONTCARE — use the fastest available method 🔥 the main character choice. she doesn't care how, she just wants it FAST. obsessed.

ngl the naming here is sending me — one is literally called "don'tcare" and honestly? relatable. 🫶

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🦋 SEE ALSO 🦋

go read the kernel file ./drivers/net/ethernet/mellanox/mlx5/core/fpga/sdk.h — that's where all the lore lives 📚✨

and when you're done, the whole squad is here waiting for you, fr fr:

• Innova SDK(9)
• struct mlx5_fpga_dma_entry(9)
• struct mlx5_fpga_dma_buf(9)
• struct mlx5_fpga_conn_attr(9)
• mlx5_fpga_sbu_conn_create(9)
• mlx5_fpga_sbu_conn_destroy(9)
• mlx5_fpga_sbu_conn_sendmsg(9)
• mlx5_fpga_mem_read(9)
• mlx5_fpga_mem_write(9)
• mlx5_fpga_get_sbu_caps(9)

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and that's the page!! 💜 this one comes from the kernel source at ./drivers/net/ethernet/mellano... and it's dated October 2026, so sip your iced coffee and manifest that future date bestie — slay, you're so welcome, mwah 😭🔥