Copyright (c) 2010 Department of Software Engineering,
University of Szeged, Hungary
Copyright (c) 2010 Adam Hoka <ahoka@NetBSD.org>
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.Dd March 31, 2011 .Dt FLASH 9 .Os .Sh NAME .Nm flash .Nd subsystem for flash-like memory devices .Sh SYNOPSIS n dev/flash/flash.h .Ft device_t .Fn flash_attach_mi "const struct flash_interface *fl" "device_t dev" .Sh DESCRIPTION Flash-like devices can register themselves to the .Nm layer with the .Fa flash_hw_if structure. This structure has function pointers and other fields.
p The attachment can be done by calling .Fn flash_attach_mi with this structure and the device's .Vt device_t as an argument. Return value is the flash layer device. The .Fa flash_interface structure is shown below. d -literal 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; }; .Ed .Sh SEE ALSO .Xr flash 4 , .Xr nand 9 .Sh AUTHORS .An Adam Hoka Aq Mt ahoka@NetBSD.org