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| author | Jeff Garzik <jeff@garzik.org> | 2006-03-29 17:18:49 -0500 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-03-29 17:18:49 -0500 |
| commit | e02a4cabfcb9a999b74a2e2e6f13ffcb7ff2d606 (patch) | |
| tree | 2f3db60be4c57eca2a4c3ab3f3122dcf1ec0c624 /include/linux/dm-ioctl.h | |
| parent | 600511e86babe3727264a0883a3a264f6fb6caf5 (diff) | |
| parent | f3cab8a0b1a772dc8b055b7affa567a366627c9e (diff) | |
Merge branch 'master'
Diffstat (limited to 'include/linux/dm-ioctl.h')
| -rw-r--r-- | include/linux/dm-ioctl.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/include/linux/dm-ioctl.h b/include/linux/dm-ioctl.h index fa75ba0d635..c67c6786612 100644 --- a/include/linux/dm-ioctl.h +++ b/include/linux/dm-ioctl.h @@ -80,6 +80,16 @@ * * DM_TARGET_MSG: * Pass a message string to the target at a specific offset of a device. + * + * DM_DEV_SET_GEOMETRY: + * Set the geometry of a device by passing in a string in this format: + * + * "cylinders heads sectors_per_track start_sector" + * + * Beware that CHS geometry is nearly obsolete and only provided + * for compatibility with dm devices that can be booted by a PC + * BIOS. See struct hd_geometry for range limits. Also note that + * the geometry is erased if the device size changes. */ /* @@ -218,6 +228,7 @@ enum { /* Added later */ DM_LIST_VERSIONS_CMD, DM_TARGET_MSG_CMD, + DM_DEV_SET_GEOMETRY_CMD }; /* @@ -247,6 +258,7 @@ typedef char ioctl_struct[308]; #define DM_TABLE_STATUS_32 _IOWR(DM_IOCTL, DM_TABLE_STATUS_CMD, ioctl_struct) #define DM_LIST_VERSIONS_32 _IOWR(DM_IOCTL, DM_LIST_VERSIONS_CMD, ioctl_struct) #define DM_TARGET_MSG_32 _IOWR(DM_IOCTL, DM_TARGET_MSG_CMD, ioctl_struct) +#define DM_DEV_SET_GEOMETRY_32 _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, ioctl_struct) #endif #define DM_IOCTL 0xfd @@ -270,11 +282,12 @@ typedef char ioctl_struct[308]; #define DM_LIST_VERSIONS _IOWR(DM_IOCTL, DM_LIST_VERSIONS_CMD, struct dm_ioctl) #define DM_TARGET_MSG _IOWR(DM_IOCTL, DM_TARGET_MSG_CMD, struct dm_ioctl) +#define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl) #define DM_VERSION_MAJOR 4 -#define DM_VERSION_MINOR 5 +#define DM_VERSION_MINOR 6 #define DM_VERSION_PATCHLEVEL 0 -#define DM_VERSION_EXTRA "-ioctl (2005-10-04)" +#define DM_VERSION_EXTRA "-ioctl (2006-02-17)" /* Status bits */ #define DM_READONLY_FLAG (1 << 0) /* In/Out */ |