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Differential D25512 Diff 76976 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 1,106 Lines • ▼ Show 20 Linestypedef 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 Linestypedef 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 10 Linestypedef struct spa {
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 */
struct uberblock spa_uberblock_master; /* best uberblock so far */ struct uberblock spa_uberblock_master; /* best uberblock so far */
objset_phys_t spa_mos_master; /* MOS for this pool */ objset_phys_t spa_mos_master; /* MOS for this pool */
struct uberblock spa_uberblock_checkpoint; /* checkpoint uberblock */ struct uberblock spa_uberblock_checkpoint; /* checkpoint uberblock */
objset_phys_t spa_mos_checkpoint; /* Checkpoint MOS */ objset_phys_t spa_mos_checkpoint; /* Checkpoint MOS */
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;
Show All 12 Lines