The DRBD driver

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

1 files changed, 137 insertions, 0 deletions

diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h
new file mode 100644
index 000000000000..db5721ad50d1
--- /dev/null
+++ b/include/linux/drbd_nl.h
@@ -0,0 +1,137 @@
+/*
+   PAKET( name,
+          TYPE ( pn, pr, member )
+          ...
+   )
+
+   You may never reissue one of the pn arguments
+*/
+
+#if !defined(NL_PACKET) || !defined(NL_STRING) || !defined(NL_INTEGER) || !defined(NL_BIT) || !defined(NL_INT64)
+#error "The macros NL_PACKET, NL_STRING, NL_INTEGER, NL_INT64 and NL_BIT needs to be defined"
+#endif
+
+NL_PACKET(primary, 1,
+       NL_BIT(          1,      T_MAY_IGNORE,   overwrite_peer)
+)
+
+NL_PACKET(secondary, 2, )
+
+NL_PACKET(disk_conf, 3,
+        NL_INT64(       2,      T_MAY_IGNORE,   disk_size)
+        NL_STRING(      3,      T_MANDATORY,    backing_dev,    128)
+        NL_STRING(      4,      T_MANDATORY,    meta_dev,       128)
+        NL_INTEGER(     5,      T_MANDATORY,    meta_dev_idx)
+        NL_INTEGER(     6,      T_MAY_IGNORE,   on_io_error)
+        NL_INTEGER(     7,      T_MAY_IGNORE,   fencing)
+        NL_BIT(         37,     T_MAY_IGNORE,   use_bmbv)
+        NL_BIT(         53,     T_MAY_IGNORE,   no_disk_flush)
+        NL_BIT(         54,     T_MAY_IGNORE,   no_md_flush)
+          /*  55 max_bio_size was available in 8.2.6rc2 */
+        NL_INTEGER(     56,     T_MAY_IGNORE,   max_bio_bvecs)
+        NL_BIT(         57,     T_MAY_IGNORE,   no_disk_barrier)
+        NL_BIT(         58,     T_MAY_IGNORE,   no_disk_drain)
+)
+
+NL_PACKET(detach, 4, )
+
+NL_PACKET(net_conf, 5,
+        NL_STRING(      8,      T_MANDATORY,    my_addr,        128)
+        NL_STRING(      9,      T_MANDATORY,    peer_addr,      128)
+        NL_STRING(      10,     T_MAY_IGNORE,   shared_secret,  SHARED_SECRET_MAX)
+        NL_STRING(      11,     T_MAY_IGNORE,   cram_hmac_alg,  SHARED_SECRET_MAX)
+        NL_STRING(      44,     T_MAY_IGNORE,   integrity_alg,  SHARED_SECRET_MAX)
+        NL_INTEGER(     14,     T_MAY_IGNORE,   timeout)
+        NL_INTEGER(     15,     T_MANDATORY,    wire_protocol)
+        NL_INTEGER(     16,     T_MAY_IGNORE,   try_connect_int)
+        NL_INTEGER(     17,     T_MAY_IGNORE,   ping_int)
+        NL_INTEGER(     18,     T_MAY_IGNORE,   max_epoch_size)
+        NL_INTEGER(     19,     T_MAY_IGNORE,   max_buffers)
+        NL_INTEGER(     20,     T_MAY_IGNORE,   unplug_watermark)
+        NL_INTEGER(     21,     T_MAY_IGNORE,   sndbuf_size)
+        NL_INTEGER(     22,     T_MAY_IGNORE,   ko_count)
+        NL_INTEGER(     24,     T_MAY_IGNORE,   after_sb_0p)
+        NL_INTEGER(     25,     T_MAY_IGNORE,   after_sb_1p)
+        NL_INTEGER(     26,     T_MAY_IGNORE,   after_sb_2p)
+        NL_INTEGER(     39,     T_MAY_IGNORE,   rr_conflict)
+        NL_INTEGER(     40,     T_MAY_IGNORE,   ping_timeo)
+        NL_INTEGER(     67,     T_MAY_IGNORE,   rcvbuf_size)
+          /* 59 addr_family was available in GIT, never released */
+        NL_BIT(         60,     T_MANDATORY,    mind_af)
+        NL_BIT(         27,     T_MAY_IGNORE,   want_lose)
+        NL_BIT(         28,     T_MAY_IGNORE,   two_primaries)
+        NL_BIT(         41,     T_MAY_IGNORE,   always_asbp)
+        NL_BIT(         61,     T_MAY_IGNORE,   no_cork)
+        NL_BIT(         62,     T_MANDATORY,    auto_sndbuf_size)
+)
+
+NL_PACKET(disconnect, 6, )
+
+NL_PACKET(resize, 7,
+        NL_INT64(               29,     T_MAY_IGNORE,   resize_size)
+)
+
+NL_PACKET(syncer_conf, 8,
+        NL_INTEGER(     30,     T_MAY_IGNORE,   rate)
+        NL_INTEGER(     31,     T_MAY_IGNORE,   after)
+        NL_INTEGER(     32,     T_MAY_IGNORE,   al_extents)
+        NL_STRING(      52,     T_MAY_IGNORE,   verify_alg,     SHARED_SECRET_MAX)
+        NL_STRING(      51,     T_MAY_IGNORE,   cpu_mask,       32)
+        NL_STRING(      64,     T_MAY_IGNORE,   csums_alg,      SHARED_SECRET_MAX)
+        NL_BIT(         65,     T_MAY_IGNORE,   use_rle)
+)
+
+NL_PACKET(invalidate, 9, )
+NL_PACKET(invalidate_peer, 10, )
+NL_PACKET(pause_sync, 11, )
+NL_PACKET(resume_sync, 12, )
+NL_PACKET(suspend_io, 13, )
+NL_PACKET(resume_io, 14, )
+NL_PACKET(outdate, 15, )
+NL_PACKET(get_config, 16, )
+NL_PACKET(get_state, 17,
+        NL_INTEGER(     33,     T_MAY_IGNORE,   state_i)
+)
+
+NL_PACKET(get_uuids, 18,
+        NL_STRING(      34,     T_MAY_IGNORE,   uuids,  (UI_SIZE*sizeof(__u64)))
+        NL_INTEGER(     35,     T_MAY_IGNORE,   uuids_flags)
+)
+
+NL_PACKET(get_timeout_flag, 19,
+        NL_BIT(         36,     T_MAY_IGNORE,   use_degraded)
+)
+
+NL_PACKET(call_helper, 20,
+        NL_STRING(      38,     T_MAY_IGNORE,   helper,         32)
+)
+
+/* Tag nr 42 already allocated in drbd-8.1 development. */
+
+NL_PACKET(sync_progress, 23,
+        NL_INTEGER(     43,     T_MAY_IGNORE,   sync_progress)
+)
+
+NL_PACKET(dump_ee, 24,
+        NL_STRING(      45,     T_MAY_IGNORE,   dump_ee_reason, 32)
+        NL_STRING(      46,     T_MAY_IGNORE,   seen_digest, SHARED_SECRET_MAX)
+        NL_STRING(      47,     T_MAY_IGNORE,   calc_digest, SHARED_SECRET_MAX)
+        NL_INT64(       48,     T_MAY_IGNORE,   ee_sector)
+        NL_INT64(       49,     T_MAY_IGNORE,   ee_block_id)
+        NL_STRING(      50,     T_MAY_IGNORE,   ee_data,        32 << 10)
+)
+
+NL_PACKET(start_ov, 25,
+        NL_INT64(       66,     T_MAY_IGNORE,   start_sector)
+)
+
+NL_PACKET(new_c_uuid, 26,
+       NL_BIT(          63,     T_MANDATORY,    clear_bm)
+)
+
+#undef NL_PACKET
+#undef NL_INTEGER
+#undef NL_INT64
+#undef NL_BIT
+#undef NL_STRING
+