bouncebuf.c File Reference

#include <arch/cache.h>
#include "bouncebuf.h"
#include "storage.h"
#include <string.h>
#include <commonlib/stdlib.h>

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Functions
static int	addr_aligned (struct bounce_buffer *state)
int	bounce_buffer_start (struct bounce_buffer *state, void *data, size_t len, unsigned int flags)
	bounce_buffer_start() – Start the bounce buffer session state: stores state passed between bounce_buffer_{start,stop} data: pointer to buffer to be aligned len: length of the buffer flags: flags describing the transaction, see above. More...
int	bounce_buffer_stop (struct bounce_buffer *state)
	bounce_buffer_stop() – Finish the bounce buffer session state: stores state passed between bounce_buffer_{start,stop} More...

Function Documentation

addr_aligned()

static int addr_aligned ( struct bounce_buffer *  state )

static

Definition at line 12 of file bouncebuf.c.

References ARCH_DMA_MINALIGN, and sdhc_debug.

Referenced by bounce_buffer_start().

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bounce_buffer_start()

int bounce_buffer_start	(	struct bounce_buffer *	state,
		void *	data,
		size_t	len,
		unsigned int	flags
	)

bounce_buffer_start() – Start the bounce buffer session state: stores state passed between bounce_buffer_{start,stop} data: pointer to buffer to be aligned len: length of the buffer flags: flags describing the transaction, see above.

Definition at line 32 of file bouncebuf.c.

References addr_aligned(), ARCH_DMA_MINALIGN, dcache_clean_invalidate_by_mva, GEN_BB_READ, memalign(), memcpy(), and ROUND.

Referenced by sdhci_send_command().

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bounce_buffer_stop()

int bounce_buffer_stop

(

struct bounce_buffer *

state

)

bounce_buffer_stop() – Finish the bounce buffer session state: stores state passed between bounce_buffer_{start,stop}

Definition at line 61 of file bouncebuf.c.

References dcache_invalidate_by_mva, free(), GEN_BB_WRITE, and memcpy().

Referenced by sdhci_send_command().

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