FLASH(4)

💖 FLASH(4) — from the Kernel Interfaces Manual 💖

Okay bestie, we're in the Kernel Interfaces Manual and this entry is FLASH(4). Let's get into the flash layer, periodt. 💅

✨ NAME ✨

• flash — device-independent flash layer

✨ SYNOPSIS ✨

#include <sys/flash.h>

🦋 DESCRIPTION 🦋

The flash driver is your device-independent interface for using flash memory. Literally iconic. 💅

Here's the tea: these ioctl(2) operations are supported on /dev/flash:

• FLASH_BLOCK_ISBAD (struct flash_badblock_params) — this command checks if a block is marked as bad. 🕵️‍♀️
• FLASH_BLOCK_MARKBAD (struct flash_badblock_params) — this command marks a block as bad. 💀
• FLASH_DUMP (struct flash_dump_params) — this command dumps a block. 📦
• FLASH_ERASE_BLOCK (struct flash_erase_params) — this command erases one or more blocks. 🧽
• FLASH_GET_INFO (struct flash_info_params) — this command acquires information about the flash device. 🔍

🎀 FILES 🎀

• /dev/flash — the path, periodt. 💖

🔥 SEE ALSO 🔥

• flash(9)
• nand(9)

👑 AUTHORS 👑

• Adam Hoka <ahoka@NetBSD.org> — yes bestie, that's the author. 🫶

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💌 Cute little sign-off: this page says Debian, January 21, 2010, and FLASH(4). Mwah! 🫶✨