drivers/block/core.c File Reference

Block device core functionality. More...

#include <assert.h>
#include <debug.h>
#include <malloc.h>
#include <string.h>
#include <types.h>
#include <block/device.h>

Include dependency graph for core.c:

Go to the source code of this file.

Functions
struct block_request *	block_alloc_request (struct block_device *bdev)
	Allocate a block request.
void	block_free_request (struct block_device *bdev, struct block_request *req)
	Free a block request previously allocated using block_alloc_request().

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Detailed Description

Block device core functionality.

• Compiler: IAR EWAVR32 and GNU GCC for AVR32
• Supported devices: All devices
• AppNote:

Author:

Atmel Corporation: http://www.atmel.com
Support and FAQ: http://support.atmel.no/

Definition in file core.c.

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Function Documentation

struct block_request* block_alloc_request

(

struct block_device *

bdev

)

[read]

Allocate a block request.

Parameters:

bdev

Block device which will handle the request

Returns:

A new block request object, or NULL if sufficient memory isn't available.

Definition at line 56 of file core.c.

References block_device::alloc_req, assert, block_request::bdev, dbg_warning, and likely.

Referenced by aesblk_alloc_req(), block_copy_set_dest(), and block_copy_set_source().

void block_free_request	(	struct block_device *	bdev,
		struct block_request *	req
	)

Free a block request previously allocated using block_alloc_request().

Parameters:

	bdev	The block device for which req was allocated
	req	The block request object to be freed.

Definition at line 80 of file core.c.

References assert, block_request::bdev, and block_device::free_req.

Referenced by aesblk_free_req(), and block_copy_free().