pldm_parse_one_record(9)

🌸 pldm_parse_one_record — a Kernel API Manual moment (yes, section 9 bestie) 🌸

okay so this is a page from the Kernel API Manual, and it's literally all about one tiny little function called pldm_parse_one_record. it does one job and it does it iconically: it vibe-checks a single PLDM record. 🎀

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✨ NAME ✨

pldm_parse_one_record — verify the size of one PLDM record. that's it. that's the whole job. she's a size-checker and she's booked and busy 💅

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🦋 SYNOPSIS 🦋

int pldm_parse_one_record (struct pldmfw_priv *data , const struct
       __pldmfw_record_info *__record );

like, exactly that. no cap. copy it character for character or don't come to the group chat 🫶

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💖 ARGUMENTS 💖

• data — pointer to the image details. the whole picture. the main character's lore, if you will 👑
• __record — pointer to the record you actually want to check. the one getting the vibe check 🔍

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🌈 DESCRIPTION 🌈

okay so picture this: this function checks that the record size does not exceed either of these two things:

• the size of the firmware file 📁
• the total length specified in the header section 📏

both. either. she's checking against both and she is not being chill about it.

and THEN — because she's thorough, because she ate and left no crumbs — she also verifies that the recorded length of the start of the record matches the size you get by adding up all of these together:

• the static structure length
• the component bitmap length
• the version string length
• the length of all descriptor TLVs
• the length of the package data

add 'em up, compare, slay. if the recorded length and the calculated length agree, we're so back. if not, she notices. 👀

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🔥 RETURN 🔥

• zero on success — iconic, flawless, we love to see it ✨
• a negative error code on failure — it's giving "something's off bestie" 😭

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💜 SEE ALSO 💜

so many siblings, honestly a whole family reunion 🧚. the kernel file lives at ./lib/pldmfw/pldmfw.c, and these are all the functions you might wanna go visit next:

• pldm_check_fw_space(9)
• pldm_move_fw_offset(9)
• pldm_parse_header(9)
• pldm_check_desc_tlv_len(9)
• pldm_parse_desc_tlvs(9)
• pldm_parse_records(9)
• pldm_parse_components(9)
• pldm_verify_header_crc(9)
• pldmfw_free_priv(9)
• pldm_parse_image(9)
• pldmfw_op_pci_match_record(9)
• pldm_find_matching_record(9)
• pldm_send_package_data(9)
• pldm_send_component_tables(9)
• pldm_flash_components(9)
• pldm_finalize_update(9)
• pldmfw_flash_image(9)

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💀 real talk: every single number, pointer and length here matters. this is one of those functions where "close enough" is not the vibe. if the lengths don't match exactly, she returns a negative error code and you will be hearing about it.

anyway that's the page!! mwah 💋 this one's filed under ./lib/pldmfw, dated October 2026, and it's pldm_parse_one_record(9) forever and always 🎀✨🦋