Differential D25512 Diff 74849 sys/cddl/boot/zfs/zfsimpl.h

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sys/cddl/boot/zfs/zfsimpl.h

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#define VDEV_UBERBLOCK_SIZE(vd) (1ULL << VDEV_UBERBLOCK_SHIFT(vd))		#define VDEV_UBERBLOCK_SIZE(vd) (1ULL << VDEV_UBERBLOCK_SHIFT(vd))

typedef struct vdev_phys {		typedef struct vdev_phys {
char vp_nvlist[VDEV_PHYS_SIZE - sizeof (zio_eck_t)];		char vp_nvlist[VDEV_PHYS_SIZE - sizeof (zio_eck_t)];
zio_eck_t vp_zbt;		zio_eck_t vp_zbt;
} vdev_phys_t;		} vdev_phys_t;

typedef enum vbe_vers {		typedef enum vbe_vers {
/* The bootenv file is stored as ascii text in the envblock */		/* The bootenv file is stored as ascii text in the envblock */
VB_RAW = 0,		VB_RAW = 0,

/*		/*
* The bootenv file is converted to an nvlist and then packed into the		* The bootenv file is converted to an nvlist and then packed into the
* envblock.		* envblock.
*/		*/
VB_NVLIST = 1		VB_NVLIST = 1
} vbe_vers_t;		} vbe_vers_t;

typedef struct vdev_boot_envblock {		typedef struct vdev_boot_envblock {
uint64_t vbe_version;		uint64_t vbe_version;
char vbe_bootenv[VDEV_PAD_SIZE - sizeof (uint64_t) -		char vbe_bootenv[VDEV_PAD_SIZE - sizeof (uint64_t) -
sizeof (zio_eck_t)];		sizeof (zio_eck_t)];
zio_eck_t vbe_zbt;		zio_eck_t vbe_zbt;
} vdev_boot_envblock_t;		} vdev_boot_envblock_t;

CTASSERT(sizeof (vdev_boot_envblock_t) == VDEV_PAD_SIZE);		CTASSERT(sizeof (vdev_boot_envblock_t) == VDEV_PAD_SIZE);

typedef struct vdev_label {		typedef struct vdev_label {
char vl_pad1[VDEV_PAD_SIZE]; /* 8K */		char vl_pad1[VDEV_PAD_SIZE]; /* 8K */
vdev_boot_envblock_t vl_be; /* 8K */		vdev_boot_envblock_t vl_be; /* 8K */
▲ Show 20 Lines • Show All 1,105 Lines • ▼ Show 20 Lines	typedef struct znode_phys {
*/		*/
} znode_phys_t;		} znode_phys_t;

/*		/*
* In-core vdev representation.		* In-core vdev representation.
*/		*/
struct vdev;		struct vdev;
struct spa;		struct spa;
typedef int vdev_phys_read_t(struct vdev vdev, void priv,		typedef int vdev_phys_read_t(struct vdev , void , off_t, void *, size_t);
off_t offset, void *buf, size_t bytes);		typedef int vdev_phys_write_t(struct vdev , off_t, void , size_t);
typedef int vdev_read_t(struct vdev vdev, const blkptr_t bp,		typedef int vdev_read_t(struct vdev , const blkptr_t , void *, off_t, size_t);
void *buf, off_t offset, size_t bytes);

typedef STAILQ_HEAD(vdev_list, vdev) vdev_list_t;		typedef STAILQ_HEAD(vdev_list, vdev) vdev_list_t;

typedef struct vdev_indirect_mapping_entry_phys {		typedef struct vdev_indirect_mapping_entry_phys {
/*		/*
* Decode with DVA_MAPPING_* macros.		* Decode with DVA_MAPPING_* macros.
* Contains:		* Contains:
* the source offset (low 63 bits)		* the source offset (low 63 bits)
▲ Show 20 Lines • Show All 111 Lines • ▼ Show 20 Lines	typedef struct vdev {
uint64_t v_id; /* index in parent */		uint64_t v_id; /* index in parent */
uint64_t v_psize; /* physical device capacity */		uint64_t v_psize; /* physical device capacity */
int v_ashift; /* offset to block shift */		int v_ashift; /* offset to block shift */
int v_nparity; /* # parity for raidz */		int v_nparity; /* # parity for raidz */
struct vdev v_top; / parent vdev */		struct vdev v_top; / parent vdev */
size_t v_nchildren; /* # children */		size_t v_nchildren; /* # children */
vdev_state_t v_state; /* current state */		vdev_state_t v_state; /* current state */
vdev_phys_read_t v_phys_read; / read from raw leaf vdev */		vdev_phys_read_t v_phys_read; / read from raw leaf vdev */
		vdev_phys_write_t v_phys_write; / write to raw leaf vdev */
vdev_read_t v_read; / read from vdev */		vdev_read_t v_read; / read from vdev */
void v_read_priv; / private data for read function */		void v_priv; / data for read/write function */
boolean_t v_islog;		boolean_t v_islog;
struct spa v_spa; / link to spa */		struct spa v_spa; / link to spa */
/*		/*
* Values stored in the config for an indirect or removing vdev.		* Values stored in the config for an indirect or removing vdev.
*/		*/
vdev_indirect_config_t vdev_indirect_config;		vdev_indirect_config_t vdev_indirect_config;
vdev_indirect_mapping_t *v_mapping;		vdev_indirect_mapping_t *v_mapping;
} vdev_t;		} vdev_t;
Show All 9 Lines	typedef struct spa {
uint64_t spa_guid; /* pool guid */		uint64_t spa_guid; /* pool guid */
uint64_t spa_txg; /* most recent transaction */		uint64_t spa_txg; /* most recent transaction */
struct uberblock spa_uberblock; /* best uberblock so far */		struct uberblock spa_uberblock; /* best uberblock so far */
vdev_t spa_root_vdev; / toplevel vdev container */		vdev_t spa_root_vdev; / toplevel vdev container */
objset_phys_t spa_mos; /* MOS for this pool */		objset_phys_t spa_mos; /* MOS for this pool */
zio_cksum_salt_t spa_cksum_salt; /* secret salt for cksum */		zio_cksum_salt_t spa_cksum_salt; /* secret salt for cksum */
void *spa_cksum_tmpls[ZIO_CHECKSUM_FUNCTIONS];		void *spa_cksum_tmpls[ZIO_CHECKSUM_FUNCTIONS];
boolean_t spa_with_log; /* this pool has log */		boolean_t spa_with_log; /* this pool has log */
		void spa_bootenv; / bootenv from pool label */
} spa_t;		} spa_t;

/* IO related arguments. */		/* IO related arguments. */
typedef struct zio {		typedef struct zio {
spa_t *io_spa;		spa_t *io_spa;
blkptr_t *io_bp;		blkptr_t *io_bp;
void *io_data;		void *io_data;
uint64_t io_size;		uint64_t io_size;
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