sysfs.h File Reference

#include "mos/filesystem/vfs_types.h"
#include <mos/lib/structures/list.h>

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Classes
struct	sysfs_item_t
struct	sysfs_dir_t

Macros
#define	SYSFS_RO_ITEM(_name, _show_fn)
#define	SYSFS_RW_ITEM(_name, _show_fn, _store_fn)
#define	SYSFS_WO_ITEM(_name, _store_fn)
#define	SYSFS_MEM_ITEM(_name, _mmap_fn, _munmap_fn)
#define	SYSFS_DYN_ITEMS(_name, _iterate_fn, _lookup_fn)
#define	SYSFS_DYN_DIR(_name, _iterate_fn, _lookup_fn, _create_fn)
#define	SYSFS_ITEM_RO_PRINTF(name, fmt, ...)
#define	SYSFS_ITEM_RO_STRING(name, value)
#define	SYSFS_DEFINE_DIR(sysfs_name, sysfs_items)

Typedefs
typedef struct _sysfs_file	sysfs_file_t

Enumerations
enum	sysfs_item_type_t {   _SYSFS_INVALID = 0 , SYSFS_RO , SYSFS_RW , SYSFS_WO ,   SYSFS_MEM , SYSFS_DYN }

Functions
void	sysfs_register (sysfs_dir_t *entry)
	Register a sysfs directory.
void	sysfs_register_file (sysfs_dir_t *sysfs_dir, sysfs_item_t *item)
	Register an entry in a sysfs directory.
should_inline void	sysfs_register_root_file (sysfs_item_t *item)
	Register an entry in the sysfs root directory.
void	sysfs_file_set_data (sysfs_file_t *file, void *data)
void *	sysfs_file_get_data (sysfs_file_t *file)
sysfs_item_t *	sysfs_file_get_item (sysfs_file_t *file)
inode_t *	sysfs_create_inode (file_type_t type, void *data)
ssize_t	sysfs_printf (sysfs_file_t *file, const char *fmt,...)
ssize_t	sysfs_put_data (sysfs_file_t *file, const void *data, size_t count)

Macro Definition Documentation

SYSFS_RO_ITEM

#define SYSFS_RO_ITEM	(		_name,
			_show_fn )

Value:

{ .name = _name, .type = SYSFS_RO, .show = _show_fn }

Definition at line 48 of file sysfs.h.

Referenced by MOS_INIT().

SYSFS_RW_ITEM

#define SYSFS_RW_ITEM	(		_name,
			_show_fn,
			_store_fn )

Value:

{ .name = _name, .type = SYSFS_RW, .show = _show_fn, .store = _store_fn }

Definition at line 49 of file sysfs.h.

SYSFS_WO_ITEM

#define SYSFS_WO_ITEM	(		_name,
			_store_fn )

Value:

{ .name = _name, .type = SYSFS_WO, .store = _store_fn }

Definition at line 50 of file sysfs.h.

SYSFS_MEM_ITEM

#define SYSFS_MEM_ITEM	(		_name,
			_mmap_fn,
			_munmap_fn )

Value:

{ .name = _name, .type = SYSFS_MEM, .mem.mmap = _mmap_fn, .mem.munmap = _munmap_fn }

Definition at line 51 of file sysfs.h.

SYSFS_DYN_ITEMS

#define SYSFS_DYN_ITEMS	(		_name,
			_iterate_fn,
			_lookup_fn )

Value:

{ .type = SYSFS_DYN, .dyn.iterate = _iterate_fn, .dyn.lookup = _lookup_fn }

Definition at line 52 of file sysfs.h.

SYSFS_DYN_DIR

#define SYSFS_DYN_DIR	(		_name,
			_iterate_fn,
			_lookup_fn,
			_create_fn )

Value:

{ .type = SYSFS_DYN, .dyn.iterate = _iterate_fn, .dyn.lookup = _lookup_fn, .dyn.create = _create_fn }

Definition at line 53 of file sysfs.h.

SYSFS_ITEM_RO_PRINTF

#define SYSFS_ITEM_RO_PRINTF	(		name,
			fmt,
			... )

Value:

    static bool name(sysfs_file_t *file)                                                                                                                                 \
    {                                                                                                                                                                    \
        sysfs_printf(file, fmt, ##__VA_ARGS__);                                                                                                                          \
        return true;                                                                                                                                                     \
    }

Definition at line 56 of file sysfs.h.

SYSFS_ITEM_RO_STRING

#define SYSFS_ITEM_RO_STRING	(		name,
			value )

Value:

SYSFS_ITEM_RO_PRINTF(name, "%s\n", value)

Definition at line 63 of file sysfs.h.

SYSFS_DEFINE_DIR

#define SYSFS_DEFINE_DIR	(		sysfs_name,
			sysfs_items )

Value:

    static sysfs_dir_t __sysfs_##sysfs_name = {                                                                                                                          \
        .list_node = LIST_NODE_INIT(__sysfs_##sysfs_name),                                                                                                               \
        .name = #sysfs_name,                                                                                                                                             \
        .items = sysfs_items,                                                                                                                                            \
        .num_items = MOS_ARRAY_SIZE(sysfs_items),                                                                                                                        \
        ._dentry = NULL,                                                                                                                                                 \
        ._dynamic_items = LIST_HEAD_INIT(__sysfs_##sysfs_name._dynamic_items),                                                                                           \
    }

Definition at line 65 of file sysfs.h.

Typedef Documentation

sysfs_file_t

typedef struct _sysfs_file sysfs_file_t

Definition at line 8 of file sysfs.h.

Enumeration Type Documentation

sysfs_item_type_t

enum sysfs_item_type_t

Enumerator
_SYSFS_INVALID
SYSFS_RO
SYSFS_RW
SYSFS_WO
SYSFS_MEM	memory-backed file
SYSFS_DYN	dynamic directory items

Definition at line 10 of file sysfs.h.

Function Documentation

sysfs_register()

void sysfs_register

(

sysfs_dir_t *

entry

)

Register a sysfs directory.

Parameters

entry

the sysfs directory to register

Definition at line 48 of file sysfs.c.

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sysfs_register_file()

void sysfs_register_file	(	sysfs_dir_t *	sysfs_dir,
		sysfs_item_t *	item )

Register an entry in a sysfs directory.

Parameters

sysfs_dir	the sysfs directory to register the item in
item	the sysfs item to register

Definition at line 383 of file sysfs.c.

Referenced by register_sysfs_acpi_node(), register_sysfs_acpi_rsdp(), sysfs_do_register(), and sysfs_register_root_file().

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sysfs_register_root_file()

should_inline void sysfs_register_root_file

(

sysfs_item_t *

item

)

Register an entry in the sysfs root directory.

Parameters

item	the sysfs item to register

Definition at line 105 of file sysfs.h.

Referenced by mm_sysfs_init(), and MOS_INIT().

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sysfs_file_set_data()

void sysfs_file_set_data	(	sysfs_file_t *	file,
		void *	data )

Definition at line 105 of file sysfs.c.

Referenced by mmstat_sysfs_phyframe_stat_store(), and mmstat_sysfs_store_pid().

sysfs_file_get_data()

void * sysfs_file_get_data

(

sysfs_file_t *

file

)

Definition at line 110 of file sysfs.c.

Referenced by mmstat_sysfs_pagetable_show(), mmstat_sysfs_phyframe_stat_show(), and mmstat_sysfs_vmaps_show().

sysfs_file_get_item()

sysfs_item_t * sysfs_file_get_item

(

sysfs_file_t *

file

)

Definition at line 115 of file sysfs.c.

Referenced by acpi_sysfs_mmap().

sysfs_create_inode()

inode_t * sysfs_create_inode	(	file_type_t	type,
		void *	data )

Definition at line 376 of file sysfs.c.

Referenced by ipc_sysfs_create_ino().

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sysfs_printf()

ssize_t sysfs_printf	(	sysfs_file_t *	file,
		const char *	fmt,
			... )

Definition at line 73 of file sysfs.c.

Referenced by _process_do_print(), _thread_do_print(), init_sysfs_argv(), ipc_dump_name_waitlist(), ipc_sysfs_dump_name_waitlist(), ipc_sysfs_servers(), mmstat_sysfs_pagetable_show(), mmstat_sysfs_phyframe_stat_show(), mmstat_sysfs_stat(), mmstat_sysfs_vmaps_show(), process_sysfs_vmap_stat(), slab_sysfs_slabinfo(), vfs_sysfs_dentry_stats_stat_receiver(), vfs_sysfs_filesystems(), and vfs_sysfs_mountpoints().

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sysfs_put_data()

ssize_t sysfs_put_data	(	sysfs_file_t *	file,
		const void *	data,
		size_t	count )

Definition at line 93 of file sysfs.c.

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