projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| c781c06d | 1 | /* |
| 3038e353 KH |
2 | * Copyright (C) 2003-2006 Kristian Hoegsberg <krh@bitplanet.net> |
| 3 | * | |
| 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. | |
| 8 | * | |
| 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. | |
| 13 | * | |
| 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. | |
| 17 | */ | |
| 18 | ||
| 19 | #ifndef __fw_topology_h | |
| 20 | #define __fw_topology_h | |
| 21 | ||
| 22 | enum { | |
| 23 | FW_NODE_CREATED = 0x00, | |
| 24 | FW_NODE_UPDATED = 0x01, | |
| 25 | FW_NODE_DESTROYED = 0x02, | |
| 26 | FW_NODE_LINK_ON = 0x03, | |
| 5af4e5ea | 27 | FW_NODE_LINK_OFF = 0x04, |
| 3038e353 KH |
28 | }; |
| 29 | ||
| 3038e353 KH |
30 | struct fw_node { |
| 31 | u16 node_id; | |
| 5e20c282 | 32 | u8 color; |
| 3038e353 | 33 | u8 port_count; |
| f1397490 SR |
34 | u8 link_on : 1; |
| 35 | u8 initiated_reset : 1; | |
| 36 | u8 b_path : 1; | |
| 37 | u8 phy_speed : 2; /* As in the self ID packet. */ | |
| 38 | u8 max_speed : 2; /* Minimum of all phy-speeds on the path from the | |
| 39 | * local node to this node. */ | |
| 83db801c KH |
40 | u8 max_depth : 4; /* Maximum depth to any leaf node */ |
| 41 | u8 max_hops : 4; /* Max hops in this sub tree */ | |
| 3038e353 KH |
42 | atomic_t ref_count; |
| 43 | ||
| 5e20c282 | 44 | /* For serializing node topology into a list. */ |
| 3038e353 KH |
45 | struct list_head link; |
| 46 | ||
| 47 | /* Upper layer specific data. */ | |
| 48 | void *data; | |
| 49 | ||
| dae1a3aa | 50 | struct fw_node *ports[0]; |
| 3038e353 KH |
51 | }; |
| 52 | ||
| 95688e97 | 53 | static inline struct fw_node * |
| 3038e353 KH |
54 | fw_node_get(struct fw_node *node) |
| 55 | { | |
| 56 | atomic_inc(&node->ref_count); | |
| 57 | ||
| 58 | return node; | |
| 59 | } | |
| 60 | ||
| 95688e97 | 61 | static inline void |
| 3038e353 KH |
62 | fw_node_put(struct fw_node *node) |
| 63 | { | |
| 64 | if (atomic_dec_and_test(&node->ref_count)) | |
| 65 | kfree(node); | |
| 66 | } | |
| 67 | ||
| 68 | void | |
| 69 | fw_destroy_nodes(struct fw_card *card); | |
| 70 | ||
| e175569c KH |
71 | int |
| 72 | fw_compute_block_crc(u32 *block); | |
| 73 | ||
| 473d28c7 | 74 | |
| 687198bb | 75 | #endif /* __fw_topology_h */ |