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Diffstat (limited to 'include/linux/ceph/rados.h')
-rw-r--r--include/linux/ceph/rados.h158
1 files changed, 75 insertions, 83 deletions
diff --git a/include/linux/ceph/rados.h b/include/linux/ceph/rados.h
index 2c04afeead1..68c96a508ac 100644
--- a/include/linux/ceph/rados.h
+++ b/include/linux/ceph/rados.h
@@ -9,14 +9,6 @@
#include <linux/ceph/msgr.h>
/*
- * osdmap encoding versions
- */
-#define CEPH_OSDMAP_INC_VERSION 5
-#define CEPH_OSDMAP_INC_VERSION_EXT 6
-#define CEPH_OSDMAP_VERSION 5
-#define CEPH_OSDMAP_VERSION_EXT 6
-
-/*
* fs id
*/
struct ceph_fsid {
@@ -64,7 +56,7 @@ struct ceph_timespec {
* placement group.
* we encode this into one __le64.
*/
-struct ceph_pg {
+struct ceph_pg_v1 {
__le16 preferred; /* preferred primary osd */
__le16 ps; /* placement seed */
__le32 pool; /* object pool */
@@ -91,21 +83,6 @@ struct ceph_pg {
#define CEPH_PG_TYPE_REP 1
#define CEPH_PG_TYPE_RAID4 2
-#define CEPH_PG_POOL_VERSION 2
-struct ceph_pg_pool {
- __u8 type; /* CEPH_PG_TYPE_* */
- __u8 size; /* number of osds in each pg */
- __u8 crush_ruleset; /* crush placement rule */
- __u8 object_hash; /* hash mapping object name to ps */
- __le32 pg_num, pgp_num; /* number of pg's */
- __le32 lpg_num, lpgp_num; /* number of localized pg's */
- __le32 last_change; /* most recent epoch changed */
- __le64 snap_seq; /* seq for per-pool snapshot */
- __le32 snap_epoch; /* epoch of last snap */
- __le32 num_snaps;
- __le32 num_removed_snap_intervals; /* if non-empty, NO per-pool snaps */
- __le64 auid; /* who owns the pg */
-} __attribute__ ((packed));
/*
* stable_mod func is used to control number of placement groups.
@@ -128,7 +105,7 @@ static inline int ceph_stable_mod(int x, int b, int bmask)
* object layout - how a given object should be stored.
*/
struct ceph_object_layout {
- struct ceph_pg ol_pgid; /* raw pg, with _full_ ps precision. */
+ struct ceph_pg_v1 ol_pgid; /* raw pg, with _full_ ps precision. */
__le32 ol_stripe_unit; /* for per-object parity, if any */
} __attribute__ ((packed));
@@ -145,8 +122,12 @@ struct ceph_eversion {
*/
/* status bits */
-#define CEPH_OSD_EXISTS 1
-#define CEPH_OSD_UP 2
+#define CEPH_OSD_EXISTS (1<<0)
+#define CEPH_OSD_UP (1<<1)
+#define CEPH_OSD_AUTOOUT (1<<2) /* osd was automatically marked out */
+#define CEPH_OSD_NEW (1<<3) /* osd is new, never marked in */
+
+extern const char *ceph_osd_state_name(int s);
/* osd weights. fixed point value: 0x10000 == 1.0 ("in"), 0 == "out" */
#define CEPH_OSD_IN 0x10000
@@ -161,9 +142,25 @@ struct ceph_eversion {
#define CEPH_OSDMAP_PAUSERD (1<<2) /* pause all reads */
#define CEPH_OSDMAP_PAUSEWR (1<<3) /* pause all writes */
#define CEPH_OSDMAP_PAUSEREC (1<<4) /* pause recovery */
+#define CEPH_OSDMAP_NOUP (1<<5) /* block osd boot */
+#define CEPH_OSDMAP_NODOWN (1<<6) /* block osd mark-down/failure */
+#define CEPH_OSDMAP_NOOUT (1<<7) /* block osd auto mark-out */
+#define CEPH_OSDMAP_NOIN (1<<8) /* block osd auto mark-in */
+#define CEPH_OSDMAP_NOBACKFILL (1<<9) /* block osd backfill */
+#define CEPH_OSDMAP_NORECOVER (1<<10) /* block osd recovery and backfill */
+
+/*
+ * The error code to return when an OSD can't handle a write
+ * because it is too large.
+ */
+#define OSD_WRITETOOBIG EMSGSIZE
/*
* osd ops
+ *
+ * WARNING: do not use these op codes directly. Use the helpers
+ * defined below instead. In certain cases, op code behavior was
+ * redefined, resulting in special-cases in the helpers.
*/
#define CEPH_OSD_OP_MODE 0xf000
#define CEPH_OSD_OP_MODE_RD 0x1000
@@ -177,6 +174,7 @@ struct ceph_eversion {
#define CEPH_OSD_OP_TYPE_ATTR 0x0300
#define CEPH_OSD_OP_TYPE_EXEC 0x0400
#define CEPH_OSD_OP_TYPE_PG 0x0500
+#define CEPH_OSD_OP_TYPE_MULTI 0x0600 /* multiobject */
enum {
/** data **/
@@ -217,6 +215,23 @@ enum {
CEPH_OSD_OP_WATCH = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 15,
+ /* omap */
+ CEPH_OSD_OP_OMAPGETKEYS = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 17,
+ CEPH_OSD_OP_OMAPGETVALS = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 18,
+ CEPH_OSD_OP_OMAPGETHEADER = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 19,
+ CEPH_OSD_OP_OMAPGETVALSBYKEYS =
+ CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 20,
+ CEPH_OSD_OP_OMAPSETVALS = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 21,
+ CEPH_OSD_OP_OMAPSETHEADER = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 22,
+ CEPH_OSD_OP_OMAPCLEAR = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 23,
+ CEPH_OSD_OP_OMAPRMKEYS = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 24,
+ CEPH_OSD_OP_OMAP_CMP = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 25,
+
+ /** multi **/
+ CEPH_OSD_OP_CLONERANGE = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_MULTI | 1,
+ CEPH_OSD_OP_ASSERT_SRC_VERSION = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_MULTI | 2,
+ CEPH_OSD_OP_SRC_CMPXATTR = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_MULTI | 3,
+
/** attrs **/
/* read */
CEPH_OSD_OP_GETXATTR = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_ATTR | 1,
@@ -238,6 +253,7 @@ enum {
CEPH_OSD_OP_SCRUB_RESERVE = CEPH_OSD_OP_MODE_SUB | 6,
CEPH_OSD_OP_SCRUB_UNRESERVE = CEPH_OSD_OP_MODE_SUB | 7,
CEPH_OSD_OP_SCRUB_STOP = CEPH_OSD_OP_MODE_SUB | 8,
+ CEPH_OSD_OP_SCRUB_MAP = CEPH_OSD_OP_MODE_SUB | 9,
/** lock **/
CEPH_OSD_OP_WRLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 1,
@@ -248,10 +264,12 @@ enum {
CEPH_OSD_OP_DNLOCK = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 6,
/** exec **/
+ /* note: the RD bit here is wrong; see special-case below in helper */
CEPH_OSD_OP_CALL = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_EXEC | 1,
/** pg **/
CEPH_OSD_OP_PGLS = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_PG | 1,
+ CEPH_OSD_OP_PGLS_FILTER = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_PG | 2,
};
static inline int ceph_osd_op_type_lock(int op)
@@ -274,6 +292,10 @@ static inline int ceph_osd_op_type_pg(int op)
{
return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_PG;
}
+static inline int ceph_osd_op_type_multi(int op)
+{
+ return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_MULTI;
+}
static inline int ceph_osd_op_mode_subop(int op)
{
@@ -281,11 +303,12 @@ static inline int ceph_osd_op_mode_subop(int op)
}
static inline int ceph_osd_op_mode_read(int op)
{
- return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_RD;
+ return (op & CEPH_OSD_OP_MODE_RD) &&
+ op != CEPH_OSD_OP_CALL;
}
static inline int ceph_osd_op_mode_modify(int op)
{
- return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_WR;
+ return op & CEPH_OSD_OP_MODE_WR;
}
/*
@@ -294,34 +317,38 @@ static inline int ceph_osd_op_mode_modify(int op)
*/
#define CEPH_OSD_TMAP_HDR 'h'
#define CEPH_OSD_TMAP_SET 's'
+#define CEPH_OSD_TMAP_CREATE 'c' /* create key */
#define CEPH_OSD_TMAP_RM 'r'
+#define CEPH_OSD_TMAP_RMSLOPPY 'R'
extern const char *ceph_osd_op_name(int op);
-
/*
* osd op flags
*
* An op may be READ, WRITE, or READ|WRITE.
*/
enum {
- CEPH_OSD_FLAG_ACK = 1, /* want (or is) "ack" ack */
- CEPH_OSD_FLAG_ONNVRAM = 2, /* want (or is) "onnvram" ack */
- CEPH_OSD_FLAG_ONDISK = 4, /* want (or is) "ondisk" ack */
- CEPH_OSD_FLAG_RETRY = 8, /* resend attempt */
- CEPH_OSD_FLAG_READ = 16, /* op may read */
- CEPH_OSD_FLAG_WRITE = 32, /* op may write */
- CEPH_OSD_FLAG_ORDERSNAP = 64, /* EOLDSNAP if snapc is out of order */
- CEPH_OSD_FLAG_PEERSTAT = 128, /* msg includes osd_peer_stat */
- CEPH_OSD_FLAG_BALANCE_READS = 256,
- CEPH_OSD_FLAG_PARALLELEXEC = 512, /* execute op in parallel */
- CEPH_OSD_FLAG_PGOP = 1024, /* pg op, no object */
- CEPH_OSD_FLAG_EXEC = 2048, /* op may exec */
- CEPH_OSD_FLAG_EXEC_PUBLIC = 4096, /* op may exec (public) */
+ CEPH_OSD_FLAG_ACK = 0x0001, /* want (or is) "ack" ack */
+ CEPH_OSD_FLAG_ONNVRAM = 0x0002, /* want (or is) "onnvram" ack */
+ CEPH_OSD_FLAG_ONDISK = 0x0004, /* want (or is) "ondisk" ack */
+ CEPH_OSD_FLAG_RETRY = 0x0008, /* resend attempt */
+ CEPH_OSD_FLAG_READ = 0x0010, /* op may read */
+ CEPH_OSD_FLAG_WRITE = 0x0020, /* op may write */
+ CEPH_OSD_FLAG_ORDERSNAP = 0x0040, /* EOLDSNAP if snapc is out of order */
+ CEPH_OSD_FLAG_PEERSTAT_OLD = 0x0080, /* DEPRECATED msg includes osd_peer_stat */
+ CEPH_OSD_FLAG_BALANCE_READS = 0x0100,
+ CEPH_OSD_FLAG_PARALLELEXEC = 0x0200, /* execute op in parallel */
+ CEPH_OSD_FLAG_PGOP = 0x0400, /* pg op, no object */
+ CEPH_OSD_FLAG_EXEC = 0x0800, /* op may exec */
+ CEPH_OSD_FLAG_EXEC_PUBLIC = 0x1000, /* DEPRECATED op may exec (public) */
+ CEPH_OSD_FLAG_LOCALIZE_READS = 0x2000, /* read from nearby replica, if any */
+ CEPH_OSD_FLAG_RWORDERED = 0x4000, /* order wrt concurrent reads */
};
enum {
CEPH_OSD_OP_FLAG_EXCL = 1, /* EXCL object create */
+ CEPH_OSD_OP_FLAG_FAILOK = 2, /* continue despite failure */
};
#define EOLDSNAPC ERESTART /* ORDERSNAP flag set; writer has old snapc*/
@@ -381,48 +408,13 @@ struct ceph_osd_op {
__le64 ver;
__u8 flag; /* 0 = unwatch, 1 = watch */
} __attribute__ ((packed)) watch;
-};
+ struct {
+ __le64 offset, length;
+ __le64 src_offset;
+ } __attribute__ ((packed)) clonerange;
+ };
__le32 payload_len;
} __attribute__ ((packed));
-/*
- * osd request message header. each request may include multiple
- * ceph_osd_op object operations.
- */
-struct ceph_osd_request_head {
- __le32 client_inc; /* client incarnation */
- struct ceph_object_layout layout; /* pgid */
- __le32 osdmap_epoch; /* client's osdmap epoch */
-
- __le32 flags;
-
- struct ceph_timespec mtime; /* for mutations only */
- struct ceph_eversion reassert_version; /* if we are replaying op */
-
- __le32 object_len; /* length of object name */
-
- __le64 snapid; /* snapid to read */
- __le64 snap_seq; /* writer's snap context */
- __le32 num_snaps;
-
- __le16 num_ops;
- struct ceph_osd_op ops[]; /* followed by ops[], obj, ticket, snaps */
-} __attribute__ ((packed));
-
-struct ceph_osd_reply_head {
- __le32 client_inc; /* client incarnation */
- __le32 flags;
- struct ceph_object_layout layout;
- __le32 osdmap_epoch;
- struct ceph_eversion reassert_version; /* for replaying uncommitted */
-
- __le32 result; /* result code */
-
- __le32 object_len; /* length of object name */
- __le32 num_ops;
- struct ceph_osd_op ops[0]; /* ops[], object */
-} __attribute__ ((packed));
-
-
#endif