svm_fifo.h File Reference

Include dependency graph for svm_fifo.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

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

Macros
#define	SVM_FIFO_TRACE   (0)
#define	OOO_SEGMENT_INVALID_INDEX   ((u32)~0)
#define	svm_fifo_trace_add(_f, _s, _l, _t)

Typedefs
typedef struct _svm_fifo	svm_fifo_t

Functions
u8 *	svm_fifo_dump_trace (u8 *s, svm_fifo_t *f)
u8 *	svm_fifo_replay (u8 *s, svm_fifo_t *f, u8 no_read, u8 verbose)
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, const 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 void	svm_fifo_newest_ooo_segment_reset (svm_fifo_t *f)
static u32	svm_fifo_max_read_chunk (svm_fifo_t *f)
	Max contiguous chunk of data that can be read. More...
static u32	svm_fifo_max_write_chunk (svm_fifo_t *f)
	Max contiguous chunk of data that can be written. More...
static void	svm_fifo_enqueue_nocopy (svm_fifo_t *f, u32 bytes)
	Advance tail pointer. More...
static u8 *	svm_fifo_head (svm_fifo_t *f)
static u8 *	svm_fifo_tail (svm_fifo_t *f)
static u32	ooo_segment_distance_from_tail (svm_fifo_t *f, u32 pos)
static u32	ooo_segment_distance_to_tail (svm_fifo_t *f, u32 pos)
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)
static ooo_segment_t *	ooo_segment_next (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 40 of file svm_fifo.h.

#define SVM_FIFO_TRACE   (0)

Definition at line 39 of file svm_fifo.h.

#define svm_fifo_trace_add	(		_f,
			_s,
			_l,
			_t
	)

Definition at line 93 of file svm_fifo.h.

Typedef Documentation

typedef struct _svm_fifo svm_fifo_t

Function Documentation

static u32 ooo_segment_distance_from_tail ( svm_fifo_t *  f, u32  pos  )

inlinestatic

Definition at line 214 of file svm_fifo.h.

Here is the caller graph for this function:

static u32 ooo_segment_distance_to_tail ( svm_fifo_t *  f, u32  pos  )

inlinestatic

Definition at line 224 of file svm_fifo.h.

Here is the caller graph for this function:

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

inlinestatic

Definition at line 236 of file svm_fifo.h.

Here is the call graph for this function:

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

inlinestatic

Definition at line 248 of file svm_fifo.h.

Here is the caller graph for this function:

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

inlinestatic

Definition at line 242 of file svm_fifo.h.

Here is the caller graph for this function:

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

inlinestatic

Definition at line 256 of file svm_fifo.h.

Here is the caller graph for this function:

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

inlinestatic

Definition at line 230 of file svm_fifo.h.

Here is the call graph for this function:

Here is the caller graph for this function:

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 194 of file svm_fifo.c.

Here is the call graph for this function:

Here is the caller graph for this function:

int svm_fifo_dequeue_drop	(	svm_fifo_t *	f,
		u32	max_bytes
	)

Definition at line 774 of file svm_fifo.c.

Here is the call graph for this function:

Here is the caller graph for this function:

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

Definition at line 692 of file svm_fifo.c.

Here is the call graph for this function:

Here is the caller graph for this function:

u8* svm_fifo_dump_trace	(	u8 *	s,
		svm_fifo_t *	f
	)

Definition at line 66 of file svm_fifo.c.

Here is the call graph for this function:

Here is the caller graph for this function:

static void svm_fifo_enqueue_nocopy ( svm_fifo_t *  f, u32  bytes  )

inlinestatic

Advance tail pointer.

Useful for moving tail pointer after external enqueue.

Definition at line 194 of file svm_fifo.h.

Here is the call graph for this function:

Here is the caller graph for this function:

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

Definition at line 534 of file svm_fifo.c.

Here is the call graph for this function:

Here is the caller graph for this function:

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

Definition at line 610 of file svm_fifo.c.

Here is the call graph for this function:

Here is the caller graph for this function:

ooo_segment_t* svm_fifo_first_ooo_segment

(

svm_fifo_t *

f

)

Definition at line 820 of file svm_fifo.c.

Here is the caller graph for this function:

void svm_fifo_free

(

svm_fifo_t *

f

)

Definition at line 214 of file svm_fifo.c.

Here is the call graph for this function:

Here is the caller graph for this function:

static u8 svm_fifo_has_ooo_data ( svm_fifo_t *  f )

inlinestatic

Definition at line 112 of file svm_fifo.h.

Here is the caller graph for this function:

static u8* svm_fifo_head ( svm_fifo_t *  f )

inlinestatic

Definition at line 202 of file svm_fifo.h.

Here is the caller graph for this function:

void svm_fifo_init_pointers	(	svm_fifo_t *	f,
		u32	pointer
	)

Set fifo pointers to requested offset.

Definition at line 829 of file svm_fifo.c.

Here is the caller graph for this function:

static u32 svm_fifo_max_dequeue ( svm_fifo_t *  f )

inlinestatic

Definition at line 100 of file svm_fifo.h.

Here is the caller graph for this function:

static u32 svm_fifo_max_enqueue ( svm_fifo_t *  f )

inlinestatic

Definition at line 106 of file svm_fifo.h.

Here is the call graph for this function:

Here is the caller graph for this function:

static u32 svm_fifo_max_read_chunk ( svm_fifo_t *  f )

inlinestatic

Max contiguous chunk of data that can be read.

Definition at line 174 of file svm_fifo.h.

Here is the caller graph for this function:

static u32 svm_fifo_max_write_chunk ( svm_fifo_t *  f )

inlinestatic

Max contiguous chunk of data that can be written.

Definition at line 183 of file svm_fifo.h.

Here is the caller graph for this function:

static ooo_segment_t* svm_fifo_newest_ooo_segment ( svm_fifo_t *  f )

inlinestatic

Definition at line 157 of file svm_fifo.h.

Here is the caller graph for this function:

static void svm_fifo_newest_ooo_segment_reset ( svm_fifo_t *  f )

inlinestatic

Definition at line 165 of file svm_fifo.h.

Here is the caller graph for this function:

u32 svm_fifo_number_ooo_segments

(

svm_fifo_t *

f

)

Definition at line 814 of file svm_fifo.c.

Here is the call graph for this function:

Here is the caller graph for this function:

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

Definition at line 758 of file svm_fifo.c.

Here is the call graph for this function:

Here is the caller graph for this function:

u8* svm_fifo_replay	(	u8 *	s,
		svm_fifo_t *	f,
		u8	no_read,
		u8	verbose
	)

Definition at line 90 of file svm_fifo.c.

Here is the call graph for this function:

Here is the caller graph for this function:

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 123 of file svm_fifo.h.

Here is the caller graph for this function:

static u8* svm_fifo_tail ( svm_fifo_t *  f )

inlinestatic

Definition at line 208 of file svm_fifo.h.

Here is the caller graph for this function:

static void svm_fifo_unset_event ( svm_fifo_t *  f )

inlinestatic

Unsets fifo event flag.

Definition at line 133 of file svm_fifo.h.

Here is the call graph for this function:

Here is the caller graph for this function:

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 154 of file svm_fifo.h.