svm_fifo.h File Reference

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Data Structures
struct	ooo_segment_t
	Out-of-order segment. More...

Macros
#define	OOO_SEGMENT_INVALID_INDEX   ((u32)~0)

Typedefs
typedef struct _svm_fifo	svm_fifo_t

Functions
static u32	svm_fifo_max_dequeue (svm_fifo_t *f)
static u32	svm_fifo_max_enqueue (svm_fifo_t *f)
static u8	svm_fifo_has_ooo_data (svm_fifo_t *f)
static u8	svm_fifo_set_event (svm_fifo_t *f)
	Sets fifo event flag. More...
static void	svm_fifo_unset_event (svm_fifo_t *f)
	Unsets fifo event flag. More...
svm_fifo_t *	svm_fifo_create (u32 data_size_in_bytes)
	create an svm fifo, in the current heap. More...
void	svm_fifo_free (svm_fifo_t *f)
int	svm_fifo_enqueue_nowait (svm_fifo_t *f, u32 max_bytes, u8 *copy_from_here)
int	svm_fifo_enqueue_with_offset (svm_fifo_t *f, u32 offset, u32 required_bytes, u8 *copy_from_here)
int	svm_fifo_dequeue_nowait (svm_fifo_t *f, u32 max_bytes, u8 *copy_here)
int	svm_fifo_peek (svm_fifo_t *f, u32 offset, u32 max_bytes, u8 *copy_here)
int	svm_fifo_dequeue_drop (svm_fifo_t *f, u32 max_bytes)
u32	svm_fifo_number_ooo_segments (svm_fifo_t *f)
ooo_segment_t *	svm_fifo_first_ooo_segment (svm_fifo_t *f)
void	svm_fifo_init_pointers (svm_fifo_t *f, u32 pointer)
	Set fifo pointers to requested offset. More...
static ooo_segment_t *	svm_fifo_newest_ooo_segment (svm_fifo_t *f)
static u32	ooo_segment_distance_to_tail (svm_fifo_t *f, u32 a)
static u32	ooo_segment_offset (svm_fifo_t *f, ooo_segment_t *s)
static u32	ooo_segment_end_offset (svm_fifo_t *f, ooo_segment_t *s)
static u32	ooo_segment_length (svm_fifo_t *f, ooo_segment_t *s)
static ooo_segment_t *	ooo_segment_get_prev (svm_fifo_t *f, ooo_segment_t *s)

Variables
format_function_t	format_ooo_segment
format_function_t	format_ooo_list
format_function_t	format_svm_fifo

Macro Definition Documentation

#define OOO_SEGMENT_INVALID_INDEX   ((u32)~0)

Definition at line 39 of file svm_fifo.h.

Typedef Documentation

typedef struct _svm_fifo svm_fifo_t

Function Documentation

static u32 ooo_segment_distance_to_tail ( svm_fifo_t *  f, u32  a  )

inlinestatic

Definition at line 136 of file svm_fifo.h.

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static u32 ooo_segment_end_offset ( svm_fifo_t *  f, ooo_segment_t *  s  )

inlinestatic

Definition at line 152 of file svm_fifo.h.

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static ooo_segment_t* ooo_segment_get_prev ( svm_fifo_t *  f, ooo_segment_t *  s  )

inlinestatic

Definition at line 164 of file svm_fifo.h.

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static u32 ooo_segment_length ( svm_fifo_t *  f, ooo_segment_t *  s  )

inlinestatic

Definition at line 158 of file svm_fifo.h.

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static u32 ooo_segment_offset ( svm_fifo_t *  f, ooo_segment_t *  s  )

inlinestatic

Definition at line 146 of file svm_fifo.h.

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svm_fifo_t* svm_fifo_create

(

u32

data_size_in_bytes

)

create an svm fifo, in the current heap.

Fails vs blow up the process

Definition at line 107 of file svm_fifo.c.

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int svm_fifo_dequeue_drop	(	svm_fifo_t *	f,
		u32	max_bytes
	)

Definition at line 675 of file svm_fifo.c.

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int svm_fifo_dequeue_nowait	(	svm_fifo_t *	f,
		u32	max_bytes,
		u8 *	copy_here
	)

Definition at line 593 of file svm_fifo.c.

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int svm_fifo_enqueue_nowait	(	svm_fifo_t *	f,
		u32	max_bytes,
		u8 *	copy_from_here
	)

Definition at line 441 of file svm_fifo.c.

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int svm_fifo_enqueue_with_offset	(	svm_fifo_t *	f,
		u32	offset,
		u32	required_bytes,
		u8 *	copy_from_here
	)

Definition at line 514 of file svm_fifo.c.

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ooo_segment_t* svm_fifo_first_ooo_segment

(

svm_fifo_t *

f

)

Definition at line 717 of file svm_fifo.c.

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void svm_fifo_free

(

svm_fifo_t *

f

)

Definition at line 124 of file svm_fifo.c.

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static u8 svm_fifo_has_ooo_data ( svm_fifo_t *  f )

inlinestatic

Definition at line 83 of file svm_fifo.h.

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void svm_fifo_init_pointers	(	svm_fifo_t *	f,
		u32	pointer
	)

Set fifo pointers to requested offset.

Definition at line 726 of file svm_fifo.c.

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static u32 svm_fifo_max_dequeue ( svm_fifo_t *  f )

inlinestatic

Definition at line 71 of file svm_fifo.h.

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static u32 svm_fifo_max_enqueue ( svm_fifo_t *  f )

inlinestatic

Definition at line 77 of file svm_fifo.h.

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static ooo_segment_t* svm_fifo_newest_ooo_segment ( svm_fifo_t *  f )

inlinestatic

Definition at line 128 of file svm_fifo.h.

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u32 svm_fifo_number_ooo_segments

(

svm_fifo_t *

f

)

Definition at line 711 of file svm_fifo.c.

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int svm_fifo_peek	(	svm_fifo_t *	f,
		u32	offset,
		u32	max_bytes,
		u8 *	copy_here
	)

Definition at line 659 of file svm_fifo.c.

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static u8 svm_fifo_set_event ( svm_fifo_t *  f )

inlinestatic

Sets fifo event flag.

Returns

1 if flag was not set.

Definition at line 94 of file svm_fifo.h.

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static void svm_fifo_unset_event ( svm_fifo_t *  f )

inlinestatic

Unsets fifo event flag.

Definition at line 104 of file svm_fifo.h.

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Variable Documentation

format_function_t format_ooo_list

Definition at line 37 of file svm_fifo.h.

format_function_t format_ooo_segment

Definition at line 36 of file svm_fifo.h.

format_function_t format_svm_fifo

Definition at line 125 of file svm_fifo.h.