Differential D25512 Diff 75427 stand/libsa/zfs/libzfs.h

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stand/libsa/zfs/libzfs.h

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	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.			* SUCH DAMAGE.
	*			*
	* $FreeBSD$			* $FreeBSD$
	*/			*/

				#ifndef _BOOT_LIBZFS_H_
				#define _BOOT_LIBZFS_H_

	#include <zfsimpl.h>			#include <zfsimpl.h>

	#ifdef LOADER_GELI_SUPPORT			#ifdef LOADER_GELI_SUPPORT
	#include <crypto/intake.h>			#include <crypto/intake.h>
	#endif			#endif

	#ifndef _BOOT_LIBZFS_H_
	#define _BOOT_LIBZFS_H_

	#define ZFS_MAXNAMELEN 256			#define ZFS_MAXNAMELEN 256

	/*			/*
	* ZFS fully-qualified device descriptor.			* ZFS fully-qualified device descriptor.
	*/			*/
	struct zfs_devdesc {			struct zfs_devdesc {
	struct devdesc dd; /* Must be first. */			struct devdesc dd; /* Must be first. */
	uint64_t pool_guid;			uint64_t pool_guid;
	uint64_t root_guid;			uint64_t root_guid;
	};			};

	/* nvp implementation version */			/* nvp implementation version */
	#define NV_VERSION 0			#define NV_VERSION 0

	/* nvlist persistent unique name flags, stored in nvl_nvflags */			/* nvlist persistent unique name flags, stored in nvl_nvflags */
	#define NV_UNIQUE_NAME 0x1			#define NV_UNIQUE_NAME 0x1
	#define NV_UNIQUE_NAME_TYPE 0x2			#define NV_UNIQUE_NAME_TYPE 0x2

	#define NV_ALIGN4(x) (((x) + 3) & ~3)			#define NV_ALIGN4(x) (((x) + 3) & ~3)
				#define NV_ALIGN(x) (((x) + 7) & ~7)

	/*			/*
	* nvlist header.			* nvlist header.
	* nvlist has 4 bytes header followed by version and flags, then nvpairs			* nvlist has 4 bytes header followed by version and flags, then nvpairs
	* and the list is terminated by double zero.			* and the list is terminated by double zero.
	*/			*/
	typedef struct {			typedef struct {
	char nvh_encoding;			char nvh_encoding;
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	typedef struct {			typedef struct {
	unsigned nv_type; /* data_type_t */			unsigned nv_type; /* data_type_t */
	unsigned nv_nelem; /* number of elements */			unsigned nv_nelem; /* number of elements */
	uint8_t nv_data[]; /* data stream */			uint8_t nv_data[]; /* data stream */
	} nv_pair_data_t;			} nv_pair_data_t;

	nvlist_t *nvlist_create(int);			nvlist_t *nvlist_create(int);
	void nvlist_destroy(nvlist_t *);			void nvlist_destroy(nvlist_t *);
	nvlist_t nvlist_import(const uint8_t , char, char);			nvlist_t nvlist_import(const char );
				int nvlist_export(nvlist_t *);
	int nvlist_remove(nvlist_t , const char , data_type_t);			int nvlist_remove(nvlist_t , const char , data_type_t);
	void nvlist_print(nvlist_t *, unsigned int);			void nvlist_print(nvlist_t *, unsigned int);
	int nvlist_find(const nvlist_t , const char , data_type_t,			int nvlist_find(const nvlist_t , const char , data_type_t,
	int , void , int *);			int , void , int *);
	int nvlist_next(nvlist_t *);			int nvlist_next(nvlist_t *);
				int nvlist_add_string(nvlist_t , const char , const char *);
				int nvlist_add_uint64(nvlist_t , const char , uint64_t);

	int zfs_parsedev(struct zfs_devdesc dev, const char devspec,			int zfs_parsedev(struct zfs_devdesc dev, const char devspec,
	const char **path);			const char **path);
	char zfs_fmtdev(void vdev);			char zfs_fmtdev(void vdev);
	int zfs_nextboot(void vdev, char buf, size_t size);			int zfs_get_bootonce(void , const char , char *, size_t);
				int zfs_get_bootenv(void , nvlist_t *);
				int zfs_set_bootenv(void , nvlist_t );
	int zfs_probe_dev(const char devname, uint64_t pool_guid);			int zfs_probe_dev(const char devname, uint64_t pool_guid);
	int zfs_list(const char *name);			int zfs_list(const char *name);
	uint64_t ldi_get_size(void *);			uint64_t ldi_get_size(void *);
	void init_zfs_bootenv(const char *currdev);			void init_zfs_bootenv(const char *currdev);
	int zfs_bootenv(const char *name);			int zfs_bootenv(const char *name);
	int zfs_belist_add(const char *name, uint64_t __unused);			int zfs_belist_add(const char *name, uint64_t __unused);
	int zfs_set_env(void);			int zfs_set_env(void);

				nvlist_t vdev_read_bootenv(vdev_t );

	extern struct devsw zfs_dev;			extern struct devsw zfs_dev;
	extern struct fs_ops zfs_fsops;			extern struct fs_ops zfs_fsops;

	#endif /_BOOT_LIBZFS_H_/			#endif /_BOOT_LIBZFS_H_/