svsm_vtpm_cmd_request_fill(9)

💖 svsm_vtpm_cmd_request_fill(9) — the "pack your TPM command into a request" girlie ✨

Okay bestie, gather round, because this is one of those little kernel helpers from the Kernel API Manual that does exactly one job and does it slayfully 💅. svsm_vtpm_cmd_request_fill takes your raw TPM command bytes and packages them up into a TMP_SEND_COMMAND request so it can be sent off to SVSM. That's it. That's the whole vibe check. 🎀

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🌸 NAME 🌸

svsm_vtpm_cmd_request_fill — fill a TMP_SEND_COMMAND request to be sent to SVSM ✨

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🦋 SYNOPSIS 🦋

int svsm_vtpm_cmd_request_fill (struct svsm_vtpm_cmd_request *req , u8
locality , const u8 *buf , size_t len );

Lowkey just four args and a return value, and she ate. 🔥

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👑 ARGUMENTS 👑

• req — the struct svsm_vtpm_cmd_request you want filled, bestie. This is the blank canvas, the empty fit that's about to get styled. 🫶
• locality — the locality. Yep, that's the whole description, an u8, no cap. It's the locality, okay? 😭
• buf — the buffer where the payload of the command gets copied from. It's const, so hands off, we're only reading. 🙈
• len — the size of the buffer. It's a size_t, so be normal about it. ✨

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⭐ RETURN ⭐

• 0 on success — slay, it worked, main character energy 🎉
• a negative error code on failure — not slay, something went sideways, check the errno vibe 💀

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🌈 SEE ALSO 🌈

Kernel file ./include/linux/tpm_svsm.h and its whole friend group:

• struct svsm_vtpm_request(9)
• struct svsm_vtpm_response(9)
• struct svsm_vtpm_cmd_request(9)
• struct svsm_vtpm_cmd_response(9)
• svsm_vtpm_cmd_response_parse(9)

iykyk, go read them, they're all connected 🧚

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ngl this page is short but she's iconic. Every argument listed, every return value honoured, every SEE ALSO reference kept intact. Periodt. 👑

Later, bestie — this one's from ./include/linux, dated October 2026, and it lives its life as page svsm_vtpm_cmd_request_fill(9). Mwah. 💜