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-rw-r--r--src/client/ioctl.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/client/ioctl.h b/src/client/ioctl.h
new file mode 100644
index 000000000..047543946
--- /dev/null
+++ b/src/client/ioctl.h
@@ -0,0 +1,51 @@
+#ifndef FS_CEPH_IOCTL_H
+#define FS_CEPH_IOCTL_H
+
+#include "include/int_types.h"
+
+#if defined(__linux__)
+#include <linux/ioctl.h>
+#include <linux/types.h>
+#elif defined(__APPLE__) || defined(__FreeBSD__)
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#endif
+
+#define CEPH_IOCTL_MAGIC 0x97
+
+/* just use u64 to align sanely on all archs */
+struct ceph_ioctl_layout {
+ __u64 stripe_unit, stripe_count, object_size;
+ __u64 data_pool;
+ __s64 unused;
+};
+
+#define CEPH_IOC_GET_LAYOUT _IOR(CEPH_IOCTL_MAGIC, 1, \
+ struct ceph_ioctl_layout)
+#define CEPH_IOC_SET_LAYOUT _IOW(CEPH_IOCTL_MAGIC, 2, \
+ struct ceph_ioctl_layout)
+#define CEPH_IOC_SET_LAYOUT_POLICY _IOW(CEPH_IOCTL_MAGIC, 5, \
+ struct ceph_ioctl_layout)
+
+/*
+ * Extract identity, address of the OSD and object storing a given
+ * file offset.
+ */
+struct ceph_ioctl_dataloc {
+ __u64 file_offset; /* in+out: file offset */
+ __u64 object_offset; /* out: offset in object */
+ __u64 object_no; /* out: object # */
+ __u64 object_size; /* out: object size */
+ char object_name[64]; /* out: object name */
+ __u64 block_offset; /* out: offset in block */
+ __u64 block_size; /* out: block length */
+ __s64 osd; /* out: osd # */
+ struct sockaddr_storage osd_addr; /* out: osd address */
+};
+
+#define CEPH_IOC_GET_DATALOC _IOWR(CEPH_IOCTL_MAGIC, 3, \
+ struct ceph_ioctl_dataloc)
+
+#define CEPH_IOC_LAZYIO _IO(CEPH_IOCTL_MAGIC, 4)
+
+#endif