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Data Structures
struct	svm_fifo_segment_header_t

struct	svm_fifo_segment_private_t

struct	svm_fifo_segment_main_t

struct	svm_fifo_segment_create_args_t

Macros
#define	FIFO_SEGMENT_MIN_FIFO_SIZE 4096

#define	FIFO_SEGMENT_MAX_FIFO_SIZE (8<<20) /* 8mb max fifo size */

#define	FIFO_SEGMENT_ALLOC_CHUNK_SIZE 32 /* Allocation quantum */

#define	FIFO_SEGMENT_F_IS_PRIVATE 1 << 0 /* Private segment */

#define	FIFO_SEGMENT_F_IS_MAIN_HEAP 1 << 1 /* Segment is main heap */

#define	FIFO_SEGMENT_F_IS_PREALLOCATED 1 << 2 /* Segment is preallocated */

#define	foreach_ssvm_fifo_segment_api_error _(OUT_OF_SPACE, "Out of space in segment", -200)

Enumerations
enum	svm_fifo_segment_freelist_t { FIFO_SEGMENT_FREELIST_NONE = -1, FIFO_SEGMENT_RX_FREELIST = 0, FIFO_SEGMENT_TX_FREELIST, FIFO_SEGMENT_N_FREELISTS }

enum	ssvm_fifo_segment_api_error_enum_t { foreach_ssvm_fifo_segment_api_error }

Functions
static svm_fifo_segment_private_t *	svm_fifo_segment_get_segment (u32 segment_index)

static u8	svm_fifo_segment_has_fifos (svm_fifo_segment_private_t *fifo_segment)

static svm_fifo_t *	svm_fifo_segment_get_fifo_list (svm_fifo_segment_private_t *fifo_segment)

int	svm_fifo_segment_create (svm_fifo_segment_create_args_t *a)
	(master) create an svm fifo segment More...

int	svm_fifo_segment_create_process_private (svm_fifo_segment_create_args_t *a)
	Create an svm fifo segment in process-private memory. More...

int	svm_fifo_segment_attach (svm_fifo_segment_create_args_t *a)
	(slave) attach to an svm fifo segment More...

void	svm_fifo_segment_delete (svm_fifo_segment_private_t *s)

svm_fifo_t *	svm_fifo_segment_alloc_fifo (svm_fifo_segment_private_t *s, u32 data_size_in_bytes, svm_fifo_segment_freelist_t index)

void	svm_fifo_segment_free_fifo (svm_fifo_segment_private_t s, svm_fifo_t f, svm_fifo_segment_freelist_t index)

void	svm_fifo_segment_init (u64 baseva, u32 timeout_in_seconds)

u32	svm_fifo_segment_index (svm_fifo_segment_private_t *s)

u32	svm_fifo_segment_num_fifos (svm_fifo_segment_private_t *fifo_segment)
	Get number of active fifos. More...

u32	svm_fifo_segment_num_free_fifos (svm_fifo_segment_private_t *fifo_segment, u32 fifo_size_in_bytes)

svm_fifo_segment_private_t *	svm_fifo_segment_segments_pool (void)
	Retrieve svm segments pool. More...

Variables
svm_fifo_segment_main_t	svm_fifo_segment_main

format_function_t	format_svm_fifo_segment

Macro Definition Documentation

#define FIFO_SEGMENT_ALLOC_CHUNK_SIZE 32 /* Allocation quantum */

Definition at line 32 of file svm_fifo_segment.h.

#define FIFO_SEGMENT_F_IS_MAIN_HEAP 1 << 1 /* Segment is main heap */

Definition at line 35 of file svm_fifo_segment.h.

#define FIFO_SEGMENT_F_IS_PREALLOCATED 1 << 2 /* Segment is preallocated */

Definition at line 36 of file svm_fifo_segment.h.

#define FIFO_SEGMENT_F_IS_PRIVATE 1 << 0 /* Private segment */

Definition at line 34 of file svm_fifo_segment.h.

#define FIFO_SEGMENT_MAX_FIFO_SIZE (8<<20) /* 8mb max fifo size */

Definition at line 31 of file svm_fifo_segment.h.

#define FIFO_SEGMENT_MIN_FIFO_SIZE 4096

Definition at line 30 of file svm_fifo_segment.h.

#define foreach_ssvm_fifo_segment_api_error _(OUT_OF_SPACE, "Out of space in segment", -200)

Definition at line 96 of file svm_fifo_segment.h.

Enumeration Type Documentation

enum ssvm_fifo_segment_api_error_enum_t

Enumerator
foreach_ssvm_fifo_segment_api_error

Definition at line 99 of file svm_fifo_segment.h.

enum svm_fifo_segment_freelist_t

Enumerator
FIFO_SEGMENT_FREELIST_NONE
FIFO_SEGMENT_RX_FREELIST
FIFO_SEGMENT_TX_FREELIST
FIFO_SEGMENT_N_FREELISTS

Definition at line 22 of file svm_fifo_segment.h.

Function Documentation

svm_fifo_t* svm_fifo_segment_alloc_fifo	(	svm_fifo_segment_private_t *	s,
		u32	data_size_in_bytes,
		svm_fifo_segment_freelist_t	index
	)

Definition at line 355 of file svm_fifo_segment.c.

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int svm_fifo_segment_attach ( svm_fifo_segment_create_args_t * a )

(slave) attach to an svm fifo segment

Definition at line 300 of file svm_fifo_segment.c.

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int svm_fifo_segment_create ( svm_fifo_segment_create_args_t * a )

(master) create an svm fifo segment

Definition at line 169 of file svm_fifo_segment.c.

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int svm_fifo_segment_create_process_private ( svm_fifo_segment_create_args_t * a )

Create an svm fifo segment in process-private memory.

Definition at line 219 of file svm_fifo_segment.c.

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void svm_fifo_segment_delete ( svm_fifo_segment_private_t * s )

Definition at line 335 of file svm_fifo_segment.c.

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void svm_fifo_segment_free_fifo	(	svm_fifo_segment_private_t *	s,
		svm_fifo_t *	f,
		svm_fifo_segment_freelist_t	index
	)

Definition at line 450 of file svm_fifo_segment.c.

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static svm_fifo_t* svm_fifo_segment_get_fifo_list ( svm_fifo_segment_private_t * fifo_segment )

inlinestatic

Definition at line 91 of file svm_fifo_segment.h.

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static svm_fifo_segment_private_t* svm_fifo_segment_get_segment ( u32 segment_index )

inlinestatic

Definition at line 78 of file svm_fifo_segment.h.

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static u8 svm_fifo_segment_has_fifos ( svm_fifo_segment_private_t * fifo_segment )

inlinestatic

Definition at line 85 of file svm_fifo_segment.h.

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u32 svm_fifo_segment_index ( svm_fifo_segment_private_t * s )

Definition at line 519 of file svm_fifo_segment.c.

void svm_fifo_segment_init	(	u64	baseva,
		u32	timeout_in_seconds
	)

Definition at line 510 of file svm_fifo_segment.c.

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u32 svm_fifo_segment_num_fifos ( svm_fifo_segment_private_t * fifo_segment )

Get number of active fifos.

Definition at line 538 of file svm_fifo_segment.c.

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u32 svm_fifo_segment_num_free_fifos	(	svm_fifo_segment_private_t *	fifo_segment,
		u32	fifo_size_in_bytes
	)

Definition at line 544 of file svm_fifo_segment.c.

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svm_fifo_segment_private_t* svm_fifo_segment_segments_pool ( void )

Retrieve svm segments pool.

Used only for debug purposes.

Definition at line 528 of file svm_fifo_segment.c.

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Variable Documentation

format_function_t format_svm_fifo_segment

Definition at line 125 of file svm_fifo_segment.h.

svm_fifo_segment_main_t svm_fifo_segment_main

Definition at line 18 of file svm_fifo_segment.c.

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation