Block Devices

Mass storage block device driver. More...

Collaboration diagram for Block Devices:

Data Structures
struct	_BLKPAR_SEEK
	Block seek parameter structure. More...
struct	_BLKPAR_INFO
	Device information parameter structure. More...
struct	_NUTBLOCKIO
	Generic block I/O device interface structure. More...
Modules
	Multimedia Card Driver
	Block device driver for MM/SD Cards.
	Bit-banging MMC Driver
	Block device driver for MM/SD Cards.
	NPL Multimedia Card Support
	Support routines for MM/SD Cards.
	Low Level MMC Interface
	Bit banging SPI for MMC.
Typedefs
typedef struct _BLKPAR_SEEK	BLKPAR_SEEK
	Block seek parameter structure.
typedef struct _BLKPAR_INFO	BLKPAR_INFO
	Device information parameter structure.
typedef struct _NUTBLOCKIO	NUTBLOCKIO
	Generic block I/O device interface structure type.
Control Codes
#define	NUTBLKDEV_MEDIAAVAIL   0x1200
	Query for media change.
#define	NUTBLKDEV_MEDIACHANGE   0x1201
	Query for media change.
#define	NUTBLKDEV_INFO   0x1202
	Retrieve device information.
#define	NUTBLKDEV_SEEK   0x1203
	Block seek request.

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Detailed Description

Mass storage block device driver.

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Define Documentation

#define NUTBLKDEV_MEDIAAVAIL   0x1200

Query for media change.

Referenced by MmCardIOCtl(), SpiAt25IOCtl(), SpiAt45dIOCtl(), and SpiMmcIOCtl().

#define NUTBLKDEV_MEDIACHANGE   0x1201

Query for media change.

Referenced by MmCardIOCtl(), SpiAt25IOCtl(), SpiAt45dIOCtl(), and SpiMmcIOCtl().

#define NUTBLKDEV_INFO   0x1202

Retrieve device information.

Referenced by MmCardIOCtl(), NutBlockDeviceIOCtl(), PhatVolMount(), RawFsMount(), and SpiMmcIOCtl().

#define NUTBLKDEV_SEEK   0x1203

Block seek request.

Referenced by MmCardIOCtl(), NutBlockDeviceIOCtl(), PhatSectorFlush(), PhatSectorRead(), PhatSectorWrite(), and SpiMmcIOCtl().

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Typedef Documentation

typedef struct _BLKPAR_SEEK BLKPAR_SEEK

Block seek parameter structure.

Used with NUTBLKDEV_SEEK ioctl.

typedef struct _BLKPAR_INFO BLKPAR_INFO

Device information parameter structure.

Used with NUTBLKDEV_INFO ioctl.

typedef struct _NUTBLOCKIO NUTBLOCKIO

Generic block I/O device interface structure type.