STRUCT EC_RESPONSE_FLASH_INFO(9)

💖 struct ec_response_flash_info(9) 💖

okay so bestie, welcome to the Kernel API Manual page for struct ec_response_flash_info — it's giving "the receipt the EC hands you when you ask about flash" energy, and honestly? iconic. 🦋

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✨ NAME ✨

struct ec_response_flash_info — the response to the flash info command. that's it, that's the whole vibe. 💅

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🌸 SYNOPSIS 🌸

struct ec_response_flash_info {
    uint32_t flash_size;
    uint32_t write_block_size;
    uint32_t erase_block_size;
    uint32_t protect_block_size;
 };

literally four whole uint32_t fields, no cap. look at her. 👑

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🎀 MEMBERS 🎀

• flash_size — the usable flash size in bytes. like, how much room you actually get to play with. 💖
• write_block_size — the write block size. here's the tea: your write offset and write size must be a multiple of this number, or it's not gonna slay. 🔥
• erase_block_size — the erase block size. same deal, different block: erase offset and erase size must both be a multiple of this. 🧚
• protect_block_size — the protection block size. and yep, protect offset and protect size must be a multiple of this one too. three for three, she's consistent. 💜

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🦋 DESCRIPTION 🦋

version 0 returns these fields. that's the whole description, she's a woman of few words and honestly? respect. 🌈

ngl bestie, "must be a multiple of this" shows up three times in this page, so maybe don't be out here passing random offsets. the struct is not gonna fix that for you. 😭

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👑 SEE ALSO 👑

kernel file ./include/linux/platform_data/cros_ec_commands.h, plus the whole friend group right here — go say hi:

• struct ec_lpc_host_args(9)
• struct ec_host_request(9)
• struct ec_host_response(9)
• struct ec_response_proto_version(9)
• struct ec_params_hello(9)
• struct ec_response_hello(9)
• struct ec_response_get_version(9)
• struct ec_params_read_test(9)
• struct ec_response_read_test(9)
• struct ec_response_get_chip_info(9)
• struct ec_response_board_version(9)
• struct ec_params_read_memmap(9)
• struct ec_params_get_cmd_versions(9)
• struct ec_params_get_cmd_versions_v1(9)
• struct ec_response_get_cmd_versions(9)
• struct ec_response_get_comms_status(9)
• struct ec_response_get_protocol_info(9)
• struct ec_response_flash_info_1(9)
• struct ec_params_flash_read(9)
• struct ec_params_flash_write(9)
• struct ec_params_flash_erase(9)
• struct ec_params_flash_erase_v1(9)
• struct ec_params_flash_protect(9)
• struct ec_response_flash_protect(9)
• struct ec_params_flash_region_info(9)
• struct ec_params_flash_select(9)
• struct ec_params_cec_write(9)
• struct ec_params_cec_write_v1(9)
• struct ec_params_cec_read(9)
• struct ec_response_cec_read(9)
• struct ec_params_cec_set(9)
• struct ec_params_cec_get(9)
• struct ec_response_cec_get(9)
• struct ec_response_cec_port_count(9)
• struct ec_params_battery_static_info(9)
• struct ec_response_battery_static_info(9)
• struct ec_params_battery_dynamic_info(9)
• struct ec_response_battery_dynamic_info(9)
• struct ec_params_charger_control(9)

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mwah 💋 this little page lives at ./include/linux/platform_data and it's stamped October 2026 — go read the other structs, ily, bye! 🫶🌸