pintos/src/devices/block.h File Reference

#include <stddef.h>
#include <inttypes.h>

Go to the source code of this file.

Data Structures
struct	block_operations
Defines
#define	BLOCK_SECTOR_SIZE   512
#define	PRDSNu   PRIu32
Typedefs
typedef uint32_t	block_sector_t
Enumerations
enum	block_type {   BLOCK_KERNEL, BLOCK_FILESYS, BLOCK_SCRATCH, BLOCK_SWAP,   BLOCK_ROLE_CNT, BLOCK_RAW = BLOCK_ROLE_CNT, BLOCK_FOREIGN, BLOCK_CNT }
Functions
const char *	block_type_name (enum block_type)
struct block *	block_get_role (enum block_type)
void	block_set_role (enum block_type, struct block *)
struct block *	block_get_by_name (const char *name)
struct block *	block_first (void)
struct block *	block_next (struct block *)
block_sector_t	block_size (struct block *)
void	block_read (struct block *, block_sector_t, void *)
void	block_write (struct block *, block_sector_t, const void *)
const char *	block_name (struct block *)
enum block_type	block_type (struct block *)
void	block_print_stats (void)
struct block *	block_register (const char *name, enum block_type, const char *extra_info, block_sector_t size, const struct block_operations *, void *aux)

---

Define Documentation

#define BLOCK_SECTOR_SIZE   512

Definition at line 12 of file block.h.

Referenced by block_register(), byte_to_sector(), bytes_to_sectors(), fsutil_append(), fsutil_extract(), identify_ata_device(), inode_create(), inode_read_at(), inode_write_at(), input_sector(), output_sector(), and read_partition_table().

#define PRDSNu   PRIu32

Definition at line 20 of file block.h.

Referenced by block_register(), check_sector(), found_partition(), fsutil_extract(), ide_read(), ide_write(), and read_partition_table().

---

Typedef Documentation

typedef uint32_t block_sector_t

Definition at line 16 of file block.h.

---

Enumeration Type Documentation

enum block_type

Enumerator:

BLOCK_KERNEL
BLOCK_FILESYS
BLOCK_SCRATCH
BLOCK_SWAP
BLOCK_ROLE_CNT
BLOCK_RAW
BLOCK_FOREIGN
BLOCK_CNT

Definition at line 27 of file block.h.

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Function Documentation

struct block* block_first

(

void

)

[read]

Definition at line 74 of file block.c.

References list_begin(), and list_elem_to_block().

struct block* block_get_by_name

(

const char *

name

)

[read]

Definition at line 90 of file block.c.

References list_begin(), list_end(), list_entry, list_next(), block::name, NULL, and strcmp().

struct block* block_get_role

(

enum

block_type

)

[read]

Definition at line 57 of file block.c.

References ASSERT, and BLOCK_ROLE_CNT.

Referenced by filesys_init(), fsutil_append(), and fsutil_extract().

const char* block_name

(

struct block *

)

Definition at line 158 of file block.c.

References block::name.

Referenced by check_sector(), found_partition(), fsutil_extract(), partition_scan(), and read_partition_table().

struct block* block_next

(

struct block *

)

[read]

Definition at line 82 of file block.c.

References block::list_elem, list_elem_to_block(), and list_next().

void block_print_stats

(

void

)

Definition at line 172 of file block.c.

References BLOCK_CNT, block_type_name(), block::lock, lock_acquire(), lock_release(), block::name, NULL, printf(), block::read_cnt, block::type, and block::write_cnt.

Referenced by print_stats().

void block_read	(	struct block *	,
		block_sector_t	,
		void *
	)

Definition at line 124 of file block.c.

References block::aux, check_sector(), block::lock, lock_acquire(), lock_release(), block::ops, block_operations::read, and block::read_cnt.

Referenced by fsutil_extract(), inode_open(), inode_read_at(), inode_write_at(), partition_read(), and read_partition_table().

struct block* block_register	(	const char *	name,
		enum	block_type,
		const char *	extra_info,
		block_sector_t	size,
		const struct block_operations *	,
		void *	aux
	)			[read]

Definition at line 196 of file block.c.

References block::aux, BLOCK_SECTOR_SIZE, block::list_elem, list_push_back(), block::lock, lock_init(), malloc(), block::name, NULL, block::ops, PANIC, PRDSNu, print_human_readable_size(), printf(), block::read_cnt, block::size, strlcpy(), block::type, and block::write_cnt.

Referenced by found_partition(), identify_ata_device(), and msc_attached().

void block_set_role	(	enum	block_type,
		struct block *
	)

Definition at line 65 of file block.c.

References ASSERT, and BLOCK_ROLE_CNT.

block_sector_t block_size

(

struct block *

)

Definition at line 151 of file block.c.

References block::size.

Referenced by bitmap_create_in_buf(), check_file_handle(), found_partition(), free_map_init(), fsutil_append(), malloc_init(), read_partition_table(), realloc(), seq_test(), and write_some_bytes().

enum block_type block_type

(

struct block *

)

Definition at line 165 of file block.c.

References block::type.

const char* block_type_name

(

enum

block_type

)

Definition at line 38 of file block.c.

References ASSERT, and BLOCK_CNT.

Referenced by block_print_stats().

void block_write	(	struct block *	,
		block_sector_t	,
		const void *
	)

Definition at line 139 of file block.c.

References ASSERT, block::aux, BLOCK_FOREIGN, check_sector(), block::lock, lock_acquire(), lock_release(), block::ops, block::type, block_operations::write, and block::write_cnt.

Referenced by fsutil_append(), fsutil_extract(), inode_create(), inode_write_at(), and partition_write().