tpm_calc_ordinal_duration(9)

💖 tpm_calc_ordinal_duration(9) 💖

okay so this is from the Kernel API Manual, and it's literally about tpm_calc_ordinal_duration — calculate the maximum command duration. bestie, it's giving “how long could this chip possibly take?” energy, and we are seated. 💅

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✨ NAME ✨

tpm_calc_ordinal_duration — calculate the maximum command duration. that's the whole assignment, no cap. 💖

🛠️ SYNOPSIS 🛠️

unsigned long tpm_calc_ordinal_duration (struct tpm_chip *chip , u32
ordinal );

🎀 ARGUMENTS 🎀

• chip — the TPM chip to use, bestie. 🫶
• ordinal — the TPM command ordinal. iconic little identifier energy. ✨

💫 DESCRIPTION 💫

okay so the function returns the maximum amount of time the chip could take to return the result for a particular ordinal, measured in jiffies. that's it, that's the vibe. 🕰️✨

no guessing, no extra lore — just the max duration for that ordinal in jiffies. periodt. 💅

🌀 RETURN 🌀

a maximal duration time for an ordinal in jiffies. yes, the unit is literally jiffies, and yes, the return type is unsigned long. slay. 💜

👀 SEE ALSO 👀

if you're going on a little kernel field trip, the Kernel file is ./drivers/char/tpm/tpm-interface.c, and these functions are the squad:

• tpm_transmit(9)
• tpm_transmit_cmd(9)
• tpm_is_tpm2(9)
• tpm_pcr_read(9)
• tpm_pcr_extend(9)
• tpm_get_random(9)

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mwah 💋 — source/version vibes live under ./drivers/char/tpm, date stamp is October 2026, and this page is still tpm_calc_ordinal_duration(9) energy. bye bestie! 🫶🎀