diff options
Diffstat (limited to 'sys/geom/part/g_part_bsd.c')
| -rw-r--r-- | sys/geom/part/g_part_bsd.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sys/geom/part/g_part_bsd.c b/sys/geom/part/g_part_bsd.c index 5a5eabd31937..e9f09c2108f2 100644 --- a/sys/geom/part/g_part_bsd.c +++ b/sys/geom/part/g_part_bsd.c @@ -83,6 +83,8 @@ static const char *g_part_bsd_type(struct g_part_table *, struct g_part_entry *, static int g_part_bsd_write(struct g_part_table *, struct g_consumer *); static int g_part_bsd_resize(struct g_part_table *, struct g_part_entry *, struct g_part_parms *); +static int g_part_bsd_ioctl(struct g_part_table *, struct g_provider *, + u_long cmd, void *data, int fflag, struct thread *td); static kobj_method_t g_part_bsd_methods[] = { KOBJMETHOD(g_part_add, g_part_bsd_add), @@ -98,6 +100,7 @@ static kobj_method_t g_part_bsd_methods[] = { KOBJMETHOD(g_part_read, g_part_bsd_read), KOBJMETHOD(g_part_type, g_part_bsd_type), KOBJMETHOD(g_part_write, g_part_bsd_write), + KOBJMETHOD(g_part_ioctl, g_part_bsd_ioctl), { 0, 0 } }; @@ -494,6 +497,38 @@ g_part_bsd_type(struct g_part_table *basetable, struct g_part_entry *baseentry, return (buf); } +/*- + * This start routine is only called for non-trivial requests, all the + * trivial ones are handled autonomously by the slice code. + * For requests we handle here, we must call the g_io_deliver() on the + * bio, and return non-zero to indicate to the slice code that we did so. + * This code executes in the "DOWN" I/O path, this means: + * * No sleeping. + * * Don't grab the topology lock. + * * Don't call biowait, g_getattr(), g_setattr() or g_read_data() + */ +static int +g_part_bsd_ioctl(struct g_part_table *basetable, struct g_provider *pp, + u_long cmd, void *data, int fflag, struct thread *td) +{ + + switch (cmd) + { + case DIOCGDINFO: + { + struct g_part_bsd_table *table; + u_char *p; + + table = (struct g_part_bsd_table *)basetable; + p = table->bbarea + pp->sectorsize; + return (bsd_disklabel_le_dec(p, data, MAXPARTITIONS)); + } + default: + return (ENOIOCTL); + + } +} + static int g_part_bsd_write(struct g_part_table *basetable, struct g_consumer *cp) { |