FLASHCTL(8) BSD System Manager's Manual FLASHCTL(8)NAME
flashctl -- a program to manipulate flash devices
SYNOPSIS
flashctl device command [arg [...]]
DESCRIPTION
flashctl could be used to invoke low level operations specific to flash devices. It is used by specifying a device to manipulate, the com-
mand to perform, and any arguments the command may require.
DEVICE COMMANDS
The following commands may be used on flash devices:
badblocks List the bad blocks on the device.
erase offset size Erase size amount of flash memory from offset. Size could be all, which means the rest of the flash after offset will be
erased.
identify Identify the specified device, displaying the device's vendor, product strings, and the device's capabilities.
markbad offset Mark the block given by its offset as bad.
SEE ALSO flash(4)HISTORY
The flashctl command first appeared in NetBSD 6.0.
AUTHORS
The flashctl command was written by Adam Hoka.
BSD February 27, 2011 BSD
Check Out this Related Man Page
FLASH(9) BSD Kernel Developer's Manual FLASH(9)NAME
flash -- subsystem for flash-like memory devices
SYNOPSIS
#include <dev/flash/flash.h>
device_t
flash_attach_mi(const struct flash_interface *fl, device_t dev);
DESCRIPTION
Flash-like devices can register themselves to the flash layer with the flash_hw_if structure. This structure has function pointers and other
fields.
The attachment can be done by calling flash_attach_mi() with this structure and the device's device_t as an argument. Return value is the
flash layer device. The flash_interface structure is shown below.
struct flash_interface {
int (*erase) (device_t, struct flash_erase_instruction *);
int (*read) (device_t, off_t, size_t, size_t *, uint8_t *);
int (*write) (device_t, off_t, size_t, size_t *, const uint8_t *);
int (*block_markbad)(device_t, uint64_t);
int (*block_isbad)(device_t, uint64_t);
int (*sync) (device_t);
int (*submit)(device_t, struct buf *);
/* storage for partition info */
struct flash_partition partition;
/* total size of mtd */
flash_addr_t size;
uint32_t page_size;
uint32_t erasesize;
uint32_t writesize;
uint32_t minor;
uint8_t type;
};
SEE ALSO flash(4), nand(9)AUTHORS
Adam Hoka <ahoka@NetBSD.org>
BSD March 31, 2011 BSD
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