kern_osd.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/sysctl.h>
#include <sys/errno.h>
#include <sys/jail.h>
#include <sys/malloc.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/rmlock.h>
#include <sys/sx.h>
#include <sys/queue.h>
#include <sys/proc.h>
#include <sys/osd.h>

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Macros
#define	OSD_DEBUG(...)

Functions
	__FBSDID ("$BSDSUniX$")
static	MALLOC_DEFINE (M_OSD,"osd","Object Specific Data")
	TUNABLE_INT ("debug.osd",&osd_debug)
	SYSCTL_INT (_debug, OID_AUTO, osd, CTLFLAG_RW,&osd_debug, 0,"OSD debug level")
static void	do_osd_del (u_int type, struct osd *osd, u_int slot, int list_locked)
static	LIST_HEAD (osd)
static void	osd_default_destructor (void *value __unused)
int	osd_register (u_int type, osd_destructor_t destructor, osd_method_t *methods)
void	osd_deregister (u_int type, u_int slot)
int	osd_set (u_int type, struct osd *osd, u_int slot, void *value)
void *	osd_get (u_int type, struct osd *osd, u_int slot)
void	osd_del (u_int type, struct osd *osd, u_int slot)
int	osd_call (u_int type, u_int method, void *obj, void *data)
void	osd_exit (u_int type, struct osd *osd)
static void	osd_init (void *arg __unused)
	SYSINIT (osd, SI_SUB_LOCK, SI_ORDER_ANY, osd_init, NULL)

Variables
static int	osd_debug = 0
static struct sx	osd_module_lock [OSD_LAST+1]
static struct rmlock	osd_object_lock [OSD_LAST+1]
static struct mtx	osd_list_lock [OSD_LAST+1]

Macro Definition Documentation

#define OSD_DEBUG

(

...

)

Value:

do {                                            \
        if (osd_debug) {                                                \
		printf("OSD (%s:%u): ", __func__, __LINE__);          \
		printf(__VA_ARGS__);                                  \
		printf("\n");                                         \
        }                                                               \
} while (0)

Definition at line 53 of file kern_osd.c.

Referenced by do_osd_del(), osd_deregister(), osd_exit(), osd_get(), osd_register(), and osd_set().

Function Documentation

__FBSDID

(

"$BSDSUniX$"

)

static void do_osd_del ( u_int  type, struct osd *  osd, u_int  slot, int  list_locked  )

static

Definition at line 287 of file kern_osd.c.

References free(), OSD_DEBUG, osd_list_lock, realloc(), and type.

Referenced by osd_del(), osd_deregister(), and osd_exit().

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static LIST_HEAD ( osd  )

static

Definition at line 72 of file kern_osd.c.

static MALLOC_DEFINE ( M_OSD  , "osd"  , "Object Specific Data"    )

static

int osd_call	(	u_int	type,
		u_int	method,
		void *	obj,
		void *	data
	)

Definition at line 339 of file kern_osd.c.

References osd_module_lock, and type.

static void osd_default_destructor ( void *value  __unused )

static

Definition at line 85 of file kern_osd.c.

Referenced by osd_register().

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void osd_del	(	u_int	type,
		struct osd *	osd,
		u_int	slot
	)

Definition at line 277 of file kern_osd.c.

References do_osd_del(), and osd_object_lock.

Referenced by khelp_remove_osd().

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void osd_deregister	(	u_int	type,
		u_int	slot
	)

Definition at line 148 of file kern_osd.c.

References do_osd_del(), OSD_DEBUG, osd_list_lock, osd_module_lock, osd_object_lock, realloc(), and type.

Referenced by khelp_deregister_helper(), and TAILQ_HEAD().

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void osd_exit	(	u_int	type,
		struct osd *	osd
	)

Definition at line 364 of file kern_osd.c.

References do_osd_del(), OSD_DEBUG, and osd_object_lock.

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void* osd_get	(	u_int	type,
		struct osd *	osd,
		u_int	slot
	)

Definition at line 254 of file kern_osd.c.

References OSD_DEBUG, osd_object_lock, and value.

Referenced by hhook_run_hooks(), khelp_get_osd(), and khelp_remove_osd().

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static void osd_init ( void *arg  __unused )

static

Definition at line 389 of file kern_osd.c.

References mtx_init(), osd_list_lock, osd_module_lock, osd_object_lock, and rm_init().

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int osd_register	(	u_int	type,
		osd_destructor_t	destructor,
		osd_method_t *	methods
	)

Definition at line 91 of file kern_osd.c.

References free(), malloc(), OSD_DEBUG, osd_default_destructor(), osd_module_lock, osd_object_lock, realloc(), and type.

Referenced by TAILQ_HEAD().

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int osd_set	(	u_int	type,
		struct osd *	osd,
		u_int	slot,
		void *	value
	)

Definition at line 196 of file kern_osd.c.

References malloc(), OSD_DEBUG, osd_list_lock, osd_object_lock, realloc(), and value.

Referenced by khelp_init_osd().

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SYSCTL_INT	(	_debug	,
		OID_AUTO	,
		osd	,
		CTLFLAG_RW	,
		&	osd_debug,
		0	,
		"OSD debug level"
	)

SYSINIT	(	osd	,
		SI_SUB_LOCK	,
		SI_ORDER_ANY	,
		osd_init	,
		NULL
	)

TUNABLE_INT	(	"debug.osd"	,
		&	osd_debug
	)

Variable Documentation

int osd_debug = 0

static

Definition at line 49 of file kern_osd.c.

struct mtx osd_list_lock[OSD_LAST+1]

static

Definition at line 82 of file kern_osd.c.

Referenced by do_osd_del(), osd_deregister(), osd_init(), and osd_set().

struct sx osd_module_lock[OSD_LAST+1]

static

Definition at line 80 of file kern_osd.c.

Referenced by osd_call(), osd_deregister(), osd_init(), and osd_register().

struct rmlock osd_object_lock[OSD_LAST+1]

static

Definition at line 81 of file kern_osd.c.

Referenced by osd_del(), osd_deregister(), osd_exit(), osd_get(), osd_init(), osd_register(), and osd_set().