diff options
Diffstat (limited to 'sys/geom/vinum/geom_vinum_var.h')
| -rw-r--r-- | sys/geom/vinum/geom_vinum_var.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sys/geom/vinum/geom_vinum_var.h b/sys/geom/vinum/geom_vinum_var.h index 4c38923..38b540f 100644 --- a/sys/geom/vinum/geom_vinum_var.h +++ b/sys/geom/vinum/geom_vinum_var.h @@ -107,6 +107,11 @@ #define GV_MAX_SYNCSIZE MAXPHYS #define GV_DFLT_SYNCSIZE 65536 +/* Flags for BIOs, as they are processed within vinum. */ +#define GV_BIO_DONE 0x01 +#define GV_BIO_MALLOC 0x02 +#define GV_BIO_ONHOLD 0x04 + /* * hostname is 256 bytes long, but we don't need to shlep multiple copies in * vinum. We use the host name just to identify this system, and 32 bytes @@ -139,6 +144,16 @@ struct gv_freelist { LIST_ENTRY(gv_freelist) freelist; }; +/* + * Since we share structures between userland and kernel, we need this helper + * struct instead of struct bio_queue_head and friends. Maybe I find a proper + * solution some day. + */ +struct gv_bioq { + struct bio *bp; + TAILQ_ENTRY(gv_bioq) queue; +}; + /* This struct contains the main vinum config. */ struct gv_softc { /*struct mtx config_mtx; XXX not yet */ @@ -164,6 +179,11 @@ struct gv_drive { off_t avail; /* Available space. */ int sdcount; /* Number of subdisks. */ + int flags; +#define GV_DRIVE_THREAD_ACTIVE 0x01 /* Drive has an active worker thread. */ +#define GV_DRIVE_THREAD_DIE 0x02 /* Signal the worker thread to die. */ +#define GV_DRIVE_THREAD_DEAD 0x04 /* The worker thread has died. */ + struct gv_hdr *hdr; /* The drive header. */ int freelist_entries; /* Count of freelist entries. */ @@ -171,6 +191,9 @@ struct gv_drive { LIST_HEAD(,gv_sd) subdisks; /* Subdisks on this drive. */ LIST_ENTRY(gv_drive) drive; /* Entry in the vinum config. */ + TAILQ_HEAD(,gv_bioq) bqueue; /* BIO queue of this drive. */ + struct mtx bqueue_mtx; /* Mtx. to protect the queue. */ + struct g_geom *geom; /* The geom of this drive. */ struct gv_softc *vinumconf; /* Pointer to the vinum conf. */ }; |
