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authorDavid Howells <dhowells@redhat.com>2012-10-13 10:46:48 +0100
committerDavid Howells <dhowells@redhat.com>2012-10-13 10:46:48 +0100
commit607ca46e97a1b6594b29647d98a32d545c24bdff (patch)
tree30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/uapi/linux/blkpg.h
parent08cce05c5a91f5017f4edc9866cf026908c73f9f (diff)
UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/uapi/linux/blkpg.h')
-rw-r--r--include/uapi/linux/blkpg.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/include/uapi/linux/blkpg.h b/include/uapi/linux/blkpg.h
new file mode 100644
index 000000000000..a8519446c111
--- /dev/null
+++ b/include/uapi/linux/blkpg.h
@@ -0,0 +1,59 @@
+#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
+#define BLKPG_RESIZE_PARTITION 3
+
+/* 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 */