2 * Copyright (C) 2003-2006 Kristian Hoegsberg <krh@bitplanet.net>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software Foundation,
16 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 #ifndef __fw_topology_h
20 #define __fw_topology_h
23 FW_NODE_CREATED
= 0x00,
24 FW_NODE_UPDATED
= 0x01,
25 FW_NODE_DESTROYED
= 0x02,
26 FW_NODE_LINK_ON
= 0x03,
27 FW_NODE_LINK_OFF
= 0x04,
32 unsigned speed
: 3; /* S100, S200, ... S3200 */
40 unsigned initiated_reset
: 1;
42 u8 phy_speed
: 3; /* As in the self ID packet. */
43 u8 max_speed
: 5; /* Minimum of all phy-speeds and port speeds on
44 * the path from the local node to this node. */
45 u8 max_depth
: 4; /* Maximum depth to any leaf node */
46 u8 max_hops
: 4; /* Max hops in this sub tree */
49 /* For serializing node topology into a list. */
50 struct list_head link
;
52 /* Upper layer specific data. */
55 struct fw_port ports
[0];
58 static inline struct fw_node
*
59 fw_node(struct list_head
*l
)
61 return list_entry(l
, struct fw_node
, link
);
64 static inline struct fw_node
*
65 fw_node_get(struct fw_node
*node
)
67 atomic_inc(&node
->ref_count
);
73 fw_node_put(struct fw_node
*node
)
75 if (atomic_dec_and_test(&node
->ref_count
))
80 fw_destroy_nodes(struct fw_card
*card
);
83 fw_compute_block_crc(u32
*block
);
86 #endif /* __fw_topology_h */
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