subr_firmware.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/queue.h>
#include <sys/taskqueue.h>
#include <sys/systm.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/errno.h>
#include <sys/linker.h>
#include <sys/firmware.h>
#include <sys/priv.h>
#include <sys/proc.h>
#include <sys/module.h>
#include <sys/eventhandler.h>
#include <sys/filedesc.h>
#include <sys/vnode.h>

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Data Structures
struct	priv_fw
struct	fw_loadimage

Macros
#define	FW_UNLOAD   0x100
#define	PRIV_FW(x)

Functions
	__FBSDID ("$FreeBSD$")
static	LIST_HEAD (priv_fw)
const struct firmware *	firmware_register (const char *imagename, const void *data, size_t datasize, unsigned int version, const struct firmware *parent)
int	firmware_unregister (const char *imagename)
static void	loadimage (void *arg, int npending __unused)
const struct firmware *	firmware_get_flags (const char *imagename, uint32_t flags)
const struct firmware *	firmware_get (const char *imagename)
void	firmware_put (const struct firmware *p, int flags)
static void	set_rootvnode (void *arg, int npending)
static void	firmware_mountroot (void *arg)
	EVENTHANDLER_DEFINE (mountroot, firmware_mountroot, NULL, 0)
static void	unloadentry (void *unused1, int unused2)
static int	firmware_modevent (module_t mod, int type, void *unused)
	DECLARE_MODULE (firmware, firmware_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST)
	MODULE_VERSION (firmware, 1)

Variables
static moduledata_t	firmware_mod

Macro Definition Documentation

FW_UNLOAD

#define FW_UNLOAD   0x100

PRIV_FW

#define PRIV_FW

(

x

)

Value:

        ((struct priv_fw *)             \
        ((intptr_t)(x) - offsetof(struct priv_fw, fw)) )

Definition at line 116 of file subr_firmware.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

DECLARE_MODULE()

DECLARE_MODULE	(	firmware	,
		firmware_mod	,
		SI_SUB_DRIVERS	,
		SI_ORDER_FIRST
	)

EVENTHANDLER_DEFINE()

EVENTHANDLER_DEFINE	(	mountroot	,
		firmware_mountroot	,
		NULL	,
		0
	)

firmware_get()

const struct firmware * firmware_get

(

const char *

imagename

)

Definition at line 342 of file subr_firmware.c.

References firmware_get_flags().

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firmware_get_flags()

const struct firmware * firmware_get_flags	(	const char *	imagename,
		uint32_t	flags
	)

Definition at line 288 of file subr_firmware.c.

References fw_loadimage::flags, flags, fw_loadimage::imagename, loadimage(), printf(), priv_check(), priv_fw::refcnt, securelevel_gt(), and taskqueue_enqueue().

Referenced by firmware_get().

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firmware_modevent()

static int firmware_modevent ( module_t  mod, int  type, void *  unused  )

static

Definition at line 452 of file subr_firmware.c.

References firmware_mountroot(), FW_UNLOAD, printf(), priv_fw::refcnt, rootvnode, taskqueue_create(), taskqueue_drain(), taskqueue_enqueue(), taskqueue_free(), taskqueue_start_threads(), taskqueue_thread_enqueue(), type, and unloadentry().

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firmware_mountroot()

static void firmware_mountroot ( void *  arg )

static

Definition at line 391 of file subr_firmware.c.

References malloc(), printf(), set_rootvnode(), and taskqueue_enqueue().

Referenced by firmware_modevent().

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firmware_put()

void firmware_put	(	const struct firmware *	p,
		int	flags
	)

Definition at line 358 of file subr_firmware.c.

References flags, FW_UNLOAD, PRIV_FW, priv_fw::refcnt, and taskqueue_enqueue().

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firmware_register()

const struct firmware * firmware_register	(	const char *	imagename,
		const void *	data,
		size_t	datasize,
		unsigned int	version,
		const struct firmware *	parent
	)

Definition at line 167 of file subr_firmware.c.

References bootverbose, data, free(), malloc(), name, parent, printf(), and PRIV_FW.

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firmware_unregister()

int firmware_unregister

(

const char *

imagename

)

Definition at line 214 of file subr_firmware.c.

References free(), and priv_fw::refcnt.

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LIST_HEAD()

static LIST_HEAD ( priv_fw  )

static

Definition at line 122 of file subr_firmware.c.

loadimage()

static void loadimage ( void *  arg, int npending  __unused  )

static

Definition at line 247 of file subr_firmware.c.

References bootverbose, fw_loadimage::flags, fw_loadimage::imagename, linker_reference_module(), linker_release_module(), printf(), result, and wakeup_one().

Referenced by firmware_get_flags().

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MODULE_VERSION()

MODULE_VERSION	(	firmware	,
		1
	)

set_rootvnode()

static void set_rootvnode ( void *  arg, int  npending  )

static

Definition at line 379 of file subr_firmware.c.

References free(), and pwd_ensure_dirs().

Referenced by firmware_mountroot().

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unloadentry()

static void unloadentry ( void *  unused1, int  unused2  )

static

Definition at line 412 of file subr_firmware.c.

References FW_UNLOAD, linker_release_module(), and priv_fw::refcnt.

Referenced by firmware_modevent().

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Variable Documentation

firmware_mod

moduledata_t firmware_mod

static

Initial value:

= {
        "firmware",
        firmware_modevent,
        NULL
}

Definition at line 502 of file subr_firmware.c.