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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 05:56:38 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2012-02-19 05:56:38 +0100 |
| commit | 19796a75ab8ba43b31e230ea169d5383c6392bfc (patch) | |
| tree | 3041c5678e06133dd7fcbf2ebf34b6506334f677 /libdde_linux26/contrib/include/linux/blkpg.h | |
| parent | 6b2e5e0d91823c2a6ce5a5cb12ae3d00b82adae7 (diff) | |
| parent | 8df772b3c665e663f6f9d2a70f9c691590bd3f91 (diff) | |
Merge branch 'dde' into upstream-merged
Diffstat (limited to 'libdde_linux26/contrib/include/linux/blkpg.h')
| -rw-r--r-- | libdde_linux26/contrib/include/linux/blkpg.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/libdde_linux26/contrib/include/linux/blkpg.h b/libdde_linux26/contrib/include/linux/blkpg.h new file mode 100644 index 00000000..faf8a45a --- /dev/null +++ b/libdde_linux26/contrib/include/linux/blkpg.h @@ -0,0 +1,58 @@ +#ifndef _LINUX_BLKPG_H +#define _LINUX_BLKPG_H + +/* + * Partition table and disk geometry handling + * + * A single ioctl with lots of subfunctions: + * + * Device number stuff: + * get_whole_disk() (given the device number of a partition, + * find the device number of the encompassing disk) + * get_all_partitions() (given the device number of a disk, return the + * device numbers of all its known partitions) + * + * Partition stuff: + * add_partition() + * delete_partition() + * test_partition_in_use() (also for test_disk_in_use) + * + * Geometry stuff: + * get_geometry() + * set_geometry() + * get_bios_drivedata() + * + * For today, only the partition stuff - aeb, 990515 + */ +#include <linux/compiler.h> +#include <linux/ioctl.h> + +#define BLKPG _IO(0x12,105) + +/* The argument structure */ +struct blkpg_ioctl_arg { + int op; + int flags; + int datalen; + void __user *data; +}; + +/* The subfunctions (for the op field) */ +#define BLKPG_ADD_PARTITION 1 +#define BLKPG_DEL_PARTITION 2 + +/* Sizes of name fields. Unused at present. */ +#define BLKPG_DEVNAMELTH 64 +#define BLKPG_VOLNAMELTH 64 + +/* The data structure for ADD_PARTITION and DEL_PARTITION */ +struct blkpg_partition { + long long start; /* starting offset in bytes */ + long long length; /* length in bytes */ + int pno; /* partition number */ + char devname[BLKPG_DEVNAMELTH]; /* partition name, like sda5 or c0d1p2, + to be used in kernel messages */ + char volname[BLKPG_VOLNAMELTH]; /* volume label */ +}; + +#endif /* _LINUX_BLKPG_H */ |
