diff options
| author | Poul-Henning Kamp <phk@FreeBSD.org> | 2002-03-19 13:54:15 +0000 |
|---|---|---|
| committer | Poul-Henning Kamp <phk@FreeBSD.org> | 2002-03-19 13:54:15 +0000 |
| commit | 00dcdc8d67215f07b8c43eee8a98a58cb61eed8f (patch) | |
| tree | 045a98068ab44510351eedb7469fd082579845d3 /sys | |
| parent | 1fa5ae8f9361fddc36fd4410d54d741fb554bdf3 (diff) | |
| download | src-00dcdc8d67215f07b8c43eee8a98a58cb61eed8f.tar.gz src-00dcdc8d67215f07b8c43eee8a98a58cb61eed8f.zip | |
Add five GEOM oriented ioctls to get basic information about a geom device.
Notes
Notes:
svn path=/head/; revision=92698
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/geom/geom_dev.c | 42 | ||||
| -rw-r--r-- | sys/sys/disklabel.h | 6 | ||||
| -rw-r--r-- | sys/sys/diskmbr.h | 6 | ||||
| -rw-r--r-- | sys/sys/diskpc98.h | 6 |
4 files changed, 49 insertions, 11 deletions
diff --git a/sys/geom/geom_dev.c b/sys/geom/geom_dev.c index d0be27acb327..ee851220ac6a 100644 --- a/sys/geom/geom_dev.c +++ b/sys/geom/geom_dev.c @@ -248,17 +248,37 @@ g_dev_ioctl(dev_t dev, u_long cmd, caddr_t data, int fflag, struct thread *td) error = 0; DROP_GIANT(); - gio = g_malloc(sizeof *gio, M_WAITOK); - gio->cmd = cmd; - gio->data = data; - gio->fflag = fflag; - gio->td = td; - i = sizeof *gio; - if (cmd & IOC_IN) - error = g_io_setattr("GEOM::ioctl", cp, i, gio, td); - else - error = g_io_getattr("GEOM::ioctl", cp, &i, gio, td); - g_free(gio); + i = IOCPARM_LEN(cmd); + switch (cmd) { + case DIOCGSECTORSIZE: + error = g_io_getattr("GEOM::sectorsize", cp, &i, data, td); + break; + case DIOCGMEDIASIZE: + error = g_io_getattr("GEOM::mediasize", cp, &i, data, td); + break; + case DIOCGFWSECTORS: + error = g_io_getattr("GEOM::fwsectors", cp, &i, data, td); + break; + case DIOCGFWHEADS: + error = g_io_getattr("GEOM::fwheads", cp, &i, data, td); + break; + case DIOCGFWCYLINDERS: + error = g_io_getattr("GEOM::fwcylinders", cp, &i, data, td); + break; + default: + gio = g_malloc(sizeof *gio, M_WAITOK); + gio->cmd = cmd; + gio->data = data; + gio->fflag = fflag; + gio->td = td; + i = sizeof *gio; + if (cmd & IOC_IN) + error = g_io_setattr("GEOM::ioctl", cp, i, gio, td); + else + error = g_io_getattr("GEOM::ioctl", cp, &i, gio, td); + g_free(gio); + break; + } if (error != 0 && cmd == DIOCGDVIRGIN) { g_topology_lock(); diff --git a/sys/sys/disklabel.h b/sys/sys/disklabel.h index a3b927f37441..4cf122392c6a 100644 --- a/sys/sys/disklabel.h +++ b/sys/sys/disklabel.h @@ -418,6 +418,12 @@ struct dos_partition { #define DIOCWLABEL _IOW('d', 109, int) /* write en/disable label */ +#define DIOCGSECTORSIZE _IOR('d', 128, u_int) /* Get sector size in bytes */ +#define DIOCGMEDIASIZE _IOR('d', 129, off_t) /* Get media size in bytes */ +#define DIOCGFWSECTORS _IOR('d', 130, u_int) /* Get firmware sectorcount */ +#define DIOCGFWHEADS _IOR('d', 131, u_int) /* Get firmware headcount */ +#define DIOCGFWCYLINDERS _IOR('d', 132, u_int) /* Get firmware cyl'scount */ + #ifdef _KERNEL /* diff --git a/sys/sys/diskmbr.h b/sys/sys/diskmbr.h index a3b927f37441..4cf122392c6a 100644 --- a/sys/sys/diskmbr.h +++ b/sys/sys/diskmbr.h @@ -418,6 +418,12 @@ struct dos_partition { #define DIOCWLABEL _IOW('d', 109, int) /* write en/disable label */ +#define DIOCGSECTORSIZE _IOR('d', 128, u_int) /* Get sector size in bytes */ +#define DIOCGMEDIASIZE _IOR('d', 129, off_t) /* Get media size in bytes */ +#define DIOCGFWSECTORS _IOR('d', 130, u_int) /* Get firmware sectorcount */ +#define DIOCGFWHEADS _IOR('d', 131, u_int) /* Get firmware headcount */ +#define DIOCGFWCYLINDERS _IOR('d', 132, u_int) /* Get firmware cyl'scount */ + #ifdef _KERNEL /* diff --git a/sys/sys/diskpc98.h b/sys/sys/diskpc98.h index a3b927f37441..4cf122392c6a 100644 --- a/sys/sys/diskpc98.h +++ b/sys/sys/diskpc98.h @@ -418,6 +418,12 @@ struct dos_partition { #define DIOCWLABEL _IOW('d', 109, int) /* write en/disable label */ +#define DIOCGSECTORSIZE _IOR('d', 128, u_int) /* Get sector size in bytes */ +#define DIOCGMEDIASIZE _IOR('d', 129, off_t) /* Get media size in bytes */ +#define DIOCGFWSECTORS _IOR('d', 130, u_int) /* Get firmware sectorcount */ +#define DIOCGFWHEADS _IOR('d', 131, u_int) /* Get firmware headcount */ +#define DIOCGFWCYLINDERS _IOR('d', 132, u_int) /* Get firmware cyl'scount */ + #ifdef _KERNEL /* |