kern_khelp.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/hhook.h>
#include <sys/khelp.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/module_khelp.h>
#include <sys/osd.h>
#include <sys/queue.h>
#include <sys/refcount.h>
#include <sys/rwlock.h>
#include <sys/systm.h>

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Macros
#define	KHELP_LIST_WLOCK()   rw_wlock(&khelp_list_lock)
#define	KHELP_LIST_WUNLOCK()   rw_wunlock(&khelp_list_lock)
#define	KHELP_LIST_RLOCK()   rw_rlock(&khelp_list_lock)
#define	KHELP_LIST_RUNLOCK()   rw_runlock(&khelp_list_lock)
#define	KHELP_LIST_LOCK_ASSERT()   rw_assert(&khelp_list_lock, RA_LOCKED)

Functions
	__FBSDID ("$FreeBSD$")
	RW_SYSINIT (khelplistlock, &khelp_list_lock, "helper list lock")
static	TAILQ_HEAD (helper_head, helper)
int	khelp_deregister_helper (struct helper *h)
int	khelp_init_osd (uint32_t classes, struct osd *hosd)
int	khelp_destroy_osd (struct osd *hosd)
static void	khelp_remove_osd (struct helper *h, struct osd *hosd)
void *	khelp_get_osd (struct osd *hosd, int32_t id)
int32_t	khelp_get_id (char *hname)
int	khelp_add_hhook (struct hookinfo *hki, uint32_t flags)
int	khelp_remove_hhook (struct hookinfo *hki)
void	khelp_new_hhook_registered (struct hhook_head *hhh, uint32_t flags)
int	khelp_modevent (module_t mod, int event_type, void *data)

Variables
static struct rwlock	khelp_list_lock

Macro Definition Documentation

KHELP_LIST_LOCK_ASSERT

#define KHELP_LIST_LOCK_ASSERT

(

)

rw_assert(&khelp_list_lock, RA_LOCKED)

KHELP_LIST_RLOCK

#define KHELP_LIST_RLOCK

(

)

rw_rlock(&khelp_list_lock)

KHELP_LIST_RUNLOCK

#define KHELP_LIST_RUNLOCK

(

)

rw_runlock(&khelp_list_lock)

KHELP_LIST_WLOCK

#define KHELP_LIST_WLOCK

(

)

rw_wlock(&khelp_list_lock)

KHELP_LIST_WUNLOCK

#define KHELP_LIST_WUNLOCK

(

)

rw_wunlock(&khelp_list_lock)

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

khelp_add_hhook()

int khelp_add_hhook	(	struct hookinfo *	hki,
		uint32_t	flags
	)

Definition at line 259 of file kern_khelp.c.

References flags, and hhook_add_hook_lookup().

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khelp_deregister_helper()

int khelp_deregister_helper

(

struct helper *

h

)

Definition at line 121 of file kern_khelp.c.

References hhook_remove_hook_lookup(), KHELP_LIST_WLOCK, KHELP_LIST_WUNLOCK, and osd_deregister().

Referenced by khelp_modevent().

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khelp_destroy_osd()

int khelp_destroy_osd

(

struct osd *

hosd

)

Definition at line 188 of file kern_khelp.c.

References KHELP_LIST_RLOCK, KHELP_LIST_RUNLOCK, and khelp_remove_osd().

Referenced by sodealloc().

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khelp_get_id()

int32_t khelp_get_id

(

char *

hname

)

Definition at line 239 of file kern_khelp.c.

References KHELP_LIST_RLOCK, and KHELP_LIST_RUNLOCK.

khelp_get_osd()

void * khelp_get_osd	(	struct osd *	hosd,
		int32_t	id
	)

Definition at line 232 of file kern_khelp.c.

References osd_get().

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khelp_init_osd()

int khelp_init_osd	(	uint32_t	classes,
		struct osd *	hosd
	)

Definition at line 151 of file kern_khelp.c.

References classes, KHELP_LIST_RLOCK, KHELP_LIST_RUNLOCK, khelp_remove_osd(), and osd_set().

Referenced by soalloc().

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khelp_modevent()

int khelp_modevent	(	module_t	mod,
		int	event_type,
		void *	data
	)

Definition at line 317 of file kern_khelp.c.

References data, khelp_deregister_helper(), and printf().

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khelp_new_hhook_registered()

void khelp_new_hhook_registered	(	struct hhook_head *	hhh,
		uint32_t	flags
	)

Definition at line 291 of file kern_khelp.c.

References flags, hhook_add_hook(), KHELP_LIST_RLOCK, KHELP_LIST_RUNLOCK, and printf().

Referenced by hhook_head_register().

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khelp_remove_hhook()

int khelp_remove_hhook

(

struct hookinfo *

hki

)

Definition at line 273 of file kern_khelp.c.

References hhook_remove_hook_lookup().

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khelp_remove_osd()

static void khelp_remove_osd ( struct helper *  h, struct osd *  hosd  )

inlinestatic

Definition at line 212 of file kern_khelp.c.

References osd_del(), and osd_get().

Referenced by khelp_destroy_osd(), and khelp_init_osd().

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RW_SYSINIT()

RW_SYSINIT	(	khelplistlock	,
		&	khelp_list_lock,
		"helper list lock"
	)

TAILQ_HEAD()

static TAILQ_HEAD ( helper_head  , helper    )

static

Definition at line 59 of file kern_khelp.c.

Variable Documentation

khelp_list_lock

struct rwlock khelp_list_lock

static

Definition at line 56 of file kern_khelp.c.