efa_com_get_dma_width(9)

✨ efa_com_get_dma_width(9) ✨

okay so bestie, we're deep in the Kernel API Manual today and this one is genuinely so niche and so cute 💅 it's called efa_com_get_dma_width and it's literally just a little guy that tells you a number. iconic behavior honestly 🎀

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💖 NAME 💖

efa_com_get_dma_width — Retrieve physical dma address width the device supports.

like, it's giving "how many address bits can u even handle bestie" 🌸

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🦋 SYNOPSIS 🦋

int efa_com_get_dma_width (struct efa_com_dev *edev );

(yeah, the spacing is a little weird, we don't gatekeep, we love her anyway 🙈)

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🎀 ARGUMENTS 🎀

• edev — the EFA communication layer struct. that's the vibes-holder, the main character of this whole operation 👑

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🔥 DESCRIPTION 🔥

Retrieve the maximum physical address bits the device can handle.

that's it. that's the whole thing. it's a one-job function and it does its job slay 💯 no cap, sometimes the simplest functions are the most iconic.

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⭐ RETURN ⭐

• > 0 on Success 🎉 — positive values, we love to see it
• a negative value otherwise 😭 — not slay, but it's honest work

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🌈 SEE ALSO 🌈

fr fr go read the kernel file ./drivers/infiniband/hw/efa/efa_com.c if u want the full lore 📖 and also these absolute legends:

• efa_com_cmd_exec(9)
• efa_com_admin_destroy(9)
• efa_com_set_admin_polling_mode(9)
• efa_com_admin_init(9)
• efa_com_admin_q_comp_intr_handler(9)
• efa_com_aenq_intr_handler(9)
• efa_com_dev_reset(9)

iykyk 🫶

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okay that's the page!! mwah 💋 this whole thing lives over in ./drivers/infiniband/hw/efa and it's dated October 2026 — periodt, bookmark it, screenshot it, send it to the group chat 🧚‍♀️✨💜