ufshcd_get_hba_mac(9)

🎀 NAME 🎀

okay so bestie, we're looking at ufshcd_get_hba_mac from the Kernel API Manual, and it is literally about the Maximum number of commands supported by the host controller. 👑

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✨ SYNOPSIS ✨

int ufshcd_get_hba_mac (struct ufs_hba *hba );

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🫶 ARGUMENTS 🫶

• hba — per adapter instance. that's the one, no cap 💅

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🌸 RETURN 🌸

queue depth on success; negative upon error. so like, success gives you the queue depth, and error gives you a negative value 😭 fr fr.

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💖 DESCRIPTION 💖

MAC = Maximum number of Active Commands supported by the Host Controller. periodt. that's the whole vibe — MAC stands for Maximum number of Active Commands supported by the Host Controller 👑✨

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🦋 SEE ALSO 🦋

Kernel file ./drivers/ufs/core/ufs-mcq.c — and these iconic little functions right here:

• ufshcd_mcq_config_mac(9)
• ufshcd_mcq_req_to_hwq(9)
• ufshcd_mcq_queue_cfg_addr(9)
• ufshcd_mcq_sq_cleanup(9)
• ufshcd_mcq_nullify_sqe(9)
• ufshcd_mcq_sqe_search(9)
• ufshcd_mcq_abort(9)

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okay bye bestie 💖 source/version: ./drivers/ufs/core · date: October 2026 — slay ✨🫶