procfs.c File Reference

#include <miniOS/fs/procfs.h>
#include <miniOS/fs/vfs.h>
#include <miniOS/mm/pmm.h>
#include <miniOS/mm/vmm.h>
#include <miniOS/sched/sched.h>
#include <miniOS/io.h>
#include <string.h>

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Macros
#define	PROCFS_INO_ROOT   1
#define	PROCFS_INO_MEMINFO   2
#define	PROCFS_INO_MOUNTS   3
#define	PROCFS_INO_STAT   4
#define	PROCFS_PID_BASE   0x1000u
#define	PROCFS_PID_SHIFT   3u
#define	PROCFS_SUB_MASK   ((1u << PROCFS_PID_SHIFT) - 1u)
#define	PROCFS_SUB_DIR   0u
#define	PROCFS_SUB_STATUS   1u
#define	PROCFS_SUB_STAT   2u
#define	PROCFS_SUB_CMDLINE   3u
#define	PROCFS_SUB_CWD   4u
#define	PROCFS_SUB_MAPS   5u

Functions
static uint32_t	procfs_pid_ino (uint32_t pid, uint32_t sub)
static int	procfs_ino_is_pid (uint32_t ino)
static uint32_t	procfs_ino_pid (uint32_t ino)
static uint32_t	procfs_ino_sub (uint32_t ino)
static struct thread *	procfs_find_thread (uint32_t pid)
static int	procfs_generate_mounts (char *buf, uint32_t bufsiz)
static int	procfs_generate_meminfo (char *buf, uint32_t bufsiz)
static int	procfs_generate_stat_global (char *buf, uint32_t bufsiz)
static char	procfs_state_char (thread_state_t s)
static const char *	procfs_state_str (thread_state_t s)
static int	procfs_generate_status (struct thread *t, char *buf, uint32_t bufsiz)
static int	procfs_generate_stat (struct thread *t, char *buf, uint32_t bufsiz)
static int	procfs_generate_cmdline (struct thread *t, char *buf, uint32_t bufsiz)
static int	procfs_generate_cwd (struct thread *t, char *buf, uint32_t bufsiz)
static int	procfs_generate_maps (struct thread *t, char *buf, uint32_t bufsiz)
static int	procfs_lookup (const char *path, vfs_inode_info_t *out)
static int	procfs_read (uint32_t ino, uint64_t off, void *buf, uint32_t len)
static int	procfs_readdir (uint32_t ino, uint64_t *offset, vfs_dirent_cb_t cb, void *ud)
static int	procfs_statfs (vfs_statfs_t *out)
static int	procfs_unlink (uint32_t parent_ino, const char *name)
static int	procfs_rmdir (uint32_t parent_ino, const char *name)
static int	procfs_mount (const char *source, const char *target, const void *data)
void	procfs_init (void)

Variables
static vfs_ops_t	procfs_ops

Macro Definition Documentation

PROCFS_INO_MEMINFO

#define PROCFS_INO_MEMINFO   2

PROCFS_INO_MOUNTS

#define PROCFS_INO_MOUNTS   3

PROCFS_INO_ROOT

#define PROCFS_INO_ROOT   1

PROCFS_INO_STAT

#define PROCFS_INO_STAT   4

PROCFS_PID_BASE

#define PROCFS_PID_BASE   0x1000u

PROCFS_PID_SHIFT

#define PROCFS_PID_SHIFT   3u

PROCFS_SUB_CMDLINE

#define PROCFS_SUB_CMDLINE   3u

PROCFS_SUB_CWD

#define PROCFS_SUB_CWD   4u

PROCFS_SUB_DIR

#define PROCFS_SUB_DIR   0u

PROCFS_SUB_MAPS

#define PROCFS_SUB_MAPS   5u

PROCFS_SUB_MASK

#define PROCFS_SUB_MASK   ((1u << PROCFS_PID_SHIFT) - 1u)

PROCFS_SUB_STAT

#define PROCFS_SUB_STAT   2u

PROCFS_SUB_STATUS

#define PROCFS_SUB_STATUS   1u

Function Documentation

procfs_find_thread()

struct thread * procfs_find_thread ( uint32_t pid )

static

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procfs_generate_cmdline()

int procfs_generate_cmdline ( struct thread * t, char * buf, uint32_t bufsiz )

static

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procfs_generate_cwd()

int procfs_generate_cwd ( struct thread * t, char * buf, uint32_t bufsiz )

static

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procfs_generate_maps()

int procfs_generate_maps ( struct thread * t, char * buf, uint32_t bufsiz )

static

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procfs_generate_meminfo()

int procfs_generate_meminfo ( char * buf, uint32_t bufsiz )

static

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procfs_generate_mounts()

int procfs_generate_mounts ( char * buf, uint32_t bufsiz )

static

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procfs_generate_stat()

int procfs_generate_stat ( struct thread * t, char * buf, uint32_t bufsiz )

static

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procfs_generate_stat_global()

int procfs_generate_stat_global ( char * buf, uint32_t bufsiz )

static

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procfs_generate_status()

int procfs_generate_status ( struct thread * t, char * buf, uint32_t bufsiz )

static

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procfs_init()

void procfs_init

(

void

)

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procfs_ino_is_pid()

int procfs_ino_is_pid ( uint32_t ino )

static

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procfs_ino_pid()

uint32_t procfs_ino_pid ( uint32_t ino )

static

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procfs_ino_sub()

uint32_t procfs_ino_sub ( uint32_t ino )

static

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procfs_lookup()

int procfs_lookup ( const char * path, vfs_inode_info_t * out )

static

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procfs_mount()

int procfs_mount ( const char * source, const char * target, const void * data )

static

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procfs_pid_ino()

uint32_t procfs_pid_ino ( uint32_t pid, uint32_t sub )

static

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procfs_read()

int procfs_read ( uint32_t ino, uint64_t off, void * buf, uint32_t len )

static

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procfs_readdir()

int procfs_readdir ( uint32_t ino, uint64_t * offset, vfs_dirent_cb_t cb, void * ud )

static

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procfs_rmdir()

int procfs_rmdir ( uint32_t parent_ino, const char * name )

static

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procfs_state_char()

char procfs_state_char ( thread_state_t s )

static

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procfs_state_str()

const char * procfs_state_str ( thread_state_t s )

static

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procfs_statfs()

int procfs_statfs ( vfs_statfs_t * out )

static

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procfs_unlink()

int procfs_unlink ( uint32_t parent_ino, const char * name )

static

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Variable Documentation

procfs_ops

vfs_ops_t procfs_ops

static