onenand_command(9)

💖 NAME 💖

okay so onenand_command(9) from the Kernel API Manual is the [DEFAULT] move for sending a command to a OneNAND device. iconic behavior, honestly 💅✨

✨ SYNOPSIS ✨

int onenand_command (struct mtd_info *mtd , int cmd , loff_t addr ,
       size_t len );

🎀 ARGUMENTS 🎀

• mtd — MTD device structure 🫶
• cmd — the command to be sent ⭐
• addr — offset to read from or write to 📍
• len — number of bytes to read or write 🔢

🦋 DESCRIPTION 🦋

Send command to OneNAND device. This function is used for middle/large page devices (1KB/2KB Bytes per page) — middle/large page besties, this one's for you 😭💖

🌈 SEE ALSO 🌈

Kernel file ./drivers/mtd/nand/onenand/onenand_base.c, and the whole squad is: onenand_readw(9), onenand_writew(9), onenand_block_address(9), onenand_bufferram_address(9), onenand_page_address(9), onenand_buffer_address(9), flexonenand_block(9), flexonenand_addr(9), onenand_get_density(9), flexonenand_region(9), onenand_read_ecc(9), onenand_wait(9), onenand_bufferram_offset(9), onenand_read_bufferram(9), onenand_sync_read_bufferram(9), onenand_write_bufferram(9), onenand_get_2x_blockpage(9), onenand_check_bufferram(9), onenand_update_bufferram(9), onenand_invalidate_bufferram(9).

continuing the squad: onenand_get_device(9), onenand_release_device(9), onenand_transfer_auto_oob(9), onenand_recover_lsb(9), onenand_mlc_read_ops_nolock(9), onenand_read_ops_nolock(9), onenand_read_oob_nolock(9), onenand_read_oob(9), onenand_bbt_wait(9), onenand_bbt_read_oob(9), onenand_verify_oob(9), onenand_verify(9), onenand_panic_write(9), onenand_fill_auto_oob(9), onenand_write_ops_nolock(9), onenand_write_oob_nolock(9), onenand_write_oob(9), onenand_block_isbad_nolock(9), onenand_multiblock_erase(9), onenand_block_by_block_erase(9).

still going, bestie: onenand_erase(9), onenand_sync(9), onenand_block_isbad(9), onenand_default_block_markbad(9), onenand_block_markbad(9), onenand_do_lock_cmd(9), onenand_lock(9), onenand_unlock(9), onenand_check_lock_status(9), onenand_unlock_all(9), onenand_otp_command(9), onenand_otp_write_oob_nolock(9), do_otp_read(9), do_otp_write(9), do_otp_lock(9), onenand_otp_walk(9), onenand_get_fact_prot_info(9), onenand_read_fact_prot_reg(9), onenand_get_user_prot_info(9), onenand_read_user_prot_reg(9).

and the final icons: onenand_write_user_prot_reg(9), onenand_lock_user_prot_reg(9), onenand_check_features(9), onenand_print_device_info(9), onenand_check_maf(9), flexonenand_get_boundary(9), flexonenand_get_size(9), flexonenand_check_blocks_erased(9), onenand_chip_probe(9), onenand_probe(9), onenand_suspend(9), onenand_resume(9), onenand_scan(9), onenand_release(9).

mwah 💋 this onenand_command(9) page comes from ./drivers/mtd/nand/onenand and is dated October 2026 — go be the main character of your kernel build, bestie 🫶💖