diff options
Diffstat (limited to 'usr/src/uts/common/sys/fs/sdev_impl.h')
| -rw-r--r-- | usr/src/uts/common/sys/fs/sdev_impl.h | 61 |
1 files changed, 41 insertions, 20 deletions
diff --git a/usr/src/uts/common/sys/fs/sdev_impl.h b/usr/src/uts/common/sys/fs/sdev_impl.h index 19a147d88a..d5bd0162c7 100644 --- a/usr/src/uts/common/sys/fs/sdev_impl.h +++ b/usr/src/uts/common/sys/fs/sdev_impl.h @@ -35,6 +35,7 @@ extern "C" { #include <sys/vfs_opreg.h> #include <sys/list.h> #include <sys/nvpair.h> +#include <sys/fs/sdev_plugin.h> /* * sdev_nodes are the file-system specific part of the @@ -126,6 +127,21 @@ typedef struct sdev_local_data { struct sdev_dprof sdev_lprof; /* profile for multi-inst */ } sdev_local_data_t; +/* sdev_flags */ +typedef enum sdev_flags { + SDEV_BUILD = 0x0001, /* directory cache out-of-date */ + SDEV_GLOBAL = 0x0002, /* global /dev nodes */ + SDEV_PERSIST = 0x0004, /* backing store persisted node */ + SDEV_NO_NCACHE = 0x0008, /* do not include in neg. cache */ + SDEV_DYNAMIC = 0x0010, /* special-purpose vnode ops */ + /* (ex: pts) */ + SDEV_VTOR = 0x0020, /* validate sdev_nodes during search */ + SDEV_ATTR_INVALID = 0x0040, /* invalid node attributes, */ + /* need update */ + SDEV_SUBDIR = 0x0080, /* match all subdirs under here */ + SDEV_ZONED = 0x0100 /* zoned subdir */ +} sdev_flags_t; + /* * /dev filesystem sdev_node defines */ @@ -148,7 +164,7 @@ typedef struct sdev_node { ino64_t sdev_ino; /* inode */ uint_t sdev_nlink; /* link count */ int sdev_state; /* state of this node */ - int sdev_flags; /* flags bit */ + sdev_flags_t sdev_flags; /* flags bit */ kmutex_t sdev_lookup_lock; /* node creation synch lock */ kcondvar_t sdev_lookup_cv; /* node creation sync cv */ @@ -159,7 +175,7 @@ typedef struct sdev_node { struct sdev_global_data sdev_globaldata; struct sdev_local_data sdev_localdata; } sdev_instance_data; - + list_node_t sdev_plist; /* link on plugin list */ void *sdev_private; } sdev_node_t; @@ -190,29 +206,11 @@ typedef enum { SDEV_READY } sdev_node_state_t; -/* sdev_flags */ -#define SDEV_BUILD 0x0001 /* directory cache out-of-date */ -#define SDEV_GLOBAL 0x0002 /* global /dev nodes */ -#define SDEV_PERSIST 0x0004 /* backing store persisted node */ -#define SDEV_NO_NCACHE 0x0008 /* do not include in neg. cache */ -#define SDEV_DYNAMIC 0x0010 /* special-purpose vnode ops */ - /* (ex: pts) */ -#define SDEV_VTOR 0x0020 /* validate sdev_nodes during search */ -#define SDEV_ATTR_INVALID 0x0040 /* invalid node attributes, */ - /* need update */ -#define SDEV_SUBDIR 0x0080 /* match all subdirs under here */ -#define SDEV_ZONED 0x0100 /* zoned subdir */ - /* sdev_lookup_flags */ #define SDEV_LOOKUP 0x0001 /* node creation in progress */ #define SDEV_READDIR 0x0002 /* VDIR readdir in progress */ #define SDEV_LGWAITING 0x0004 /* waiting for devfsadm completion */ -#define SDEV_VTOR_INVALID -1 -#define SDEV_VTOR_SKIP 0 -#define SDEV_VTOR_VALID 1 -#define SDEV_VTOR_STALE 2 - /* convenient macros */ #define SDEV_IS_GLOBAL(dv) \ (dv->sdev_flags & SDEV_GLOBAL) @@ -364,8 +362,13 @@ extern void sdev_devfsadmd_thread(struct sdev_node *, struct sdev_node *, extern int devname_profile_update(char *, size_t); extern struct sdev_data *sdev_find_mntinfo(char *); void sdev_mntinfo_rele(struct sdev_data *); +typedef void (*sdev_mnt_walk_f)(struct sdev_node *, void *); +void sdev_mnt_walk(sdev_mnt_walk_f, void *); extern struct vnodeops *devpts_getvnodeops(void); extern struct vnodeops *devvt_getvnodeops(void); +extern void sdev_plugin_nodeready(struct sdev_node *); +extern int sdev_plugin_init(void); +extern int sdev_plugin_fini(void); /* * boot states - warning, the ordering here is significant @@ -510,6 +513,23 @@ extern void sdev_nc_path_exists(sdev_nc_list_t *, char *); extern void sdev_modctl_dump_files(void); /* + * plugin and legacy vtab stuff + */ +/* directory dependent vop table */ +typedef struct sdev_vop_table { + char *vt_name; /* subdirectory name */ + const fs_operation_def_t *vt_service; /* vnodeops table */ + struct vnodeops **vt_global_vops; /* global container for vop */ + int (*vt_vtor)(struct sdev_node *); /* validate sdev_node */ + int vt_flags; +} sdev_vop_table_t; + +extern struct sdev_vop_table vtab[]; +extern struct vnodeops *sdev_get_vop(struct sdev_node *); +extern void sdev_set_no_negcache(struct sdev_node *); +extern void *sdev_get_vtor(struct sdev_node *dv); + +/* * globals */ extern kmutex_t sdev_lock; @@ -522,6 +542,7 @@ extern struct vnodeops *devipnet_vnodeops; extern struct vnodeops *devvt_vnodeops; extern struct sdev_data *sdev_origins; /* mount info for global /dev instance */ extern struct vnodeops *devzvol_vnodeops; +extern int sdev_vnodeops_tbl_size; extern const fs_operation_def_t sdev_vnodeops_tbl[]; extern const fs_operation_def_t devpts_vnodeops_tbl[]; |