STRUCT PDS_CORE_COMPONENT_TBL(9)

💖 NAME 💖

struct pds_core_component_tbl — the component table details, bestie ✨

This one lives in the Kernel API Manual (section 9, kernel-space gang 👑), and it's honestly giving "backend paperwork that makes the whole firmware update thing work."

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🎀 SYNOPSIS 🎀

struct pds_core_component_tbl {
    __le32 comparison_stamp;
    __le16 classification;
    __le16 identifier;
    u8 transfer_flag;
    u8 version_str_type;
    u8 version_str_len;
    u8 version_str[];
};

Look at that flexible array member at the end — version_str[] — she's literally built different, no cap. 🌈

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🧩 Members 🧩

okay so let's go field by field, and yes we're doing all of them 💅

• comparison_stamp — the comparison stamp used for component version checks 🕵️‍♀️ like, this is how the kernel figures out whether your component is the version it thinks it is.
• classification — vendor specific classification info 🏷️ it's your vendor's business what goes here, iykyk.
• identifier — the component's ID 🆔 so everybody knows which component we're talking about.
• transfer_flag — part of the component table this request represents 🚩 lowkey the "which chunk are we shipping" marker.
• version_str_type — the types of strings used 🔤 (yes, plural "types" — that's what it says, don't come for me).
• version_str_len — length of version_str 📏 so the kernel knows how much of that flexible array is real.
• version_str — component version information 🍓 the actual version juice itself.

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🦋 SEE ALSO 🦋

Everything in this little family, and bestie there are so many of them — go read them, they're all in the kernel file ./include/linux/pds/pds_core_if.h:

• struct pds_core_drv_identity(9)
• enum pds_core_dev_capability(9)
• struct pds_core_dev_identity(9)
• struct pds_core_dev_identify_cmd(9)
• struct pds_core_dev_identify_comp(9)
• struct pds_core_dev_reset_cmd(9)
• struct pds_core_dev_reset_comp(9)
• struct pds_core_dev_init_cmd(9)
• struct pds_core_dev_init_comp(9)
• struct pds_core_fw_download_cmd(9)
• struct pds_core_fw_download_comp(9)
• enum pds_core_fw_control_oper(9)
• enum pds_core_fw_slot(9)
• struct pds_core_fw_control_cmd(9)
• struct pds_core_fw_control_comp(9)
• enum pds_core_vf_link_status(9)
• struct pds_core_vf_setattr_cmd(9)
• struct pds_core_vf_getattr_cmd(9)
• struct pds_core_vf_ctrl_cmd(9)
• struct pds_core_vf_ctrl_comp(9)
• struct pds_core_send_pkg_data_cmd(9)
• struct pds_core_send_pkg_data_comp(9)
• struct pds_core_send_component_tbl_cmd(9)
• struct pds_core_send_component_tbl_comp(9)
• enum pds_core_send_component_op(9)
• struct pds_core_flash_component(9)
• struct pds_core_send_component_cmd(9)
• struct pds_core_send_component_comp(9)
• enum pds_core_fw_component_type(9)
• enum pds_core_component_info_flags(9)
• struct pds_core_fw_component_info(9)
• struct pds_core_component_list_info(9)
• struct pds_core_get_component_info_cmd(9)
• struct pds_core_get_component_info_comp(9)
• struct pds_core_finalize_update_cmd(9)
• struct pds_core_finalize_update_comp(9)
• struct pds_core_match_record_desc_cmd(9)
• struct pds_core_match_record_desc_comp(9)
• enum pds_core_host_mem_oper(9)
• struct pds_core_host_mem_cmd(9)
• struct pds_core_host_mem_comp(9)
• struct pds_core_dev_hwstamp_regs(9)
• struct pds_core_dev_info_regs(9)
• struct pds_core_dev_cmd_regs(9)
• struct pds_core_dev_regs(9)

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bestie reminder 🫶 the __le32 and __le16 types are little-endian, so don't go memcpy-ing them around all willy-nilly and then act surprised. byte order is real and she will humble you. 💀

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okay that's the whole page, mwah 💋 this one came out of ./include/linux/pds, and she's dated October 2026 — so yeah, future icon behavior 👑✨ periodt.