initial code repo

[stor4nfv.git] / src / ceph / src / client / ioctl.h

diff --git a/src/ceph/src/client/ioctl.h b/src/ceph/src/client/ioctl.h
new file mode 100644 (file)
index 0000000..1cf133a
--- /dev/null
+++ b/src/ceph/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(DARWIN) || 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