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9a74e884 RL |
1 | /* |
2 | * Copyright (c) 2011-2012 Intel Corporation. All rights reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms and conditions of the GNU General Public License, | |
6 | * version 2, as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License along with | |
14 | * this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
16 | * | |
17 | * Maintained at www.Open-FCoE.org | |
18 | */ | |
19 | ||
20 | #ifndef FCOE_SYSFS | |
21 | #define FCOE_SYSFS | |
22 | ||
23 | #include <linux/if_ether.h> | |
24 | #include <linux/device.h> | |
25 | #include <scsi/fc/fc_fcoe.h> | |
26 | ||
27 | struct fcoe_ctlr_device; | |
28 | struct fcoe_fcf_device; | |
29 | ||
30 | struct fcoe_sysfs_function_template { | |
31 | void (*get_fcoe_ctlr_link_fail)(struct fcoe_ctlr_device *); | |
32 | void (*get_fcoe_ctlr_vlink_fail)(struct fcoe_ctlr_device *); | |
33 | void (*get_fcoe_ctlr_miss_fka)(struct fcoe_ctlr_device *); | |
34 | void (*get_fcoe_ctlr_symb_err)(struct fcoe_ctlr_device *); | |
35 | void (*get_fcoe_ctlr_err_block)(struct fcoe_ctlr_device *); | |
36 | void (*get_fcoe_ctlr_fcs_error)(struct fcoe_ctlr_device *); | |
37 | void (*get_fcoe_ctlr_mode)(struct fcoe_ctlr_device *); | |
38 | void (*get_fcoe_fcf_selected)(struct fcoe_fcf_device *); | |
39 | void (*get_fcoe_fcf_vlan_id)(struct fcoe_fcf_device *); | |
40 | }; | |
41 | ||
42 | #define dev_to_ctlr(d) \ | |
43 | container_of((d), struct fcoe_ctlr_device, dev) | |
44 | ||
45 | enum fip_conn_type { | |
46 | FIP_CONN_TYPE_UNKNOWN, | |
47 | FIP_CONN_TYPE_FABRIC, | |
48 | FIP_CONN_TYPE_VN2VN, | |
49 | }; | |
50 | ||
51 | struct fcoe_ctlr_device { | |
52 | u32 id; | |
53 | ||
54 | struct device dev; | |
55 | struct fcoe_sysfs_function_template *f; | |
56 | ||
57 | struct list_head fcfs; | |
58 | char work_q_name[20]; | |
59 | struct workqueue_struct *work_q; | |
60 | char devloss_work_q_name[20]; | |
61 | struct workqueue_struct *devloss_work_q; | |
62 | struct mutex lock; | |
63 | ||
64 | int fcf_dev_loss_tmo; | |
65 | enum fip_conn_type mode; | |
66 | ||
67 | /* expected in host order for displaying */ | |
68 | struct fcoe_fc_els_lesb lesb; | |
69 | }; | |
70 | ||
71 | static inline void *fcoe_ctlr_device_priv(const struct fcoe_ctlr_device *ctlr) | |
72 | { | |
73 | return (void *)(ctlr + 1); | |
74 | } | |
75 | ||
76 | /* fcf states */ | |
77 | enum fcf_state { | |
78 | FCOE_FCF_STATE_UNKNOWN, | |
79 | FCOE_FCF_STATE_DISCONNECTED, | |
80 | FCOE_FCF_STATE_CONNECTED, | |
81 | FCOE_FCF_STATE_DELETED, | |
82 | }; | |
83 | ||
84 | struct fcoe_fcf_device { | |
85 | u32 id; | |
86 | struct device dev; | |
87 | struct list_head peers; | |
88 | struct work_struct delete_work; | |
89 | struct delayed_work dev_loss_work; | |
90 | u32 dev_loss_tmo; | |
91 | void *priv; | |
92 | enum fcf_state state; | |
93 | ||
94 | u64 fabric_name; | |
95 | u64 switch_name; | |
96 | u32 fc_map; | |
97 | u16 vfid; | |
98 | u8 mac[ETH_ALEN]; | |
99 | u8 priority; | |
100 | u32 fka_period; | |
101 | u8 selected; | |
102 | u16 vlan_id; | |
103 | }; | |
104 | ||
105 | #define dev_to_fcf(d) \ | |
106 | container_of((d), struct fcoe_fcf_device, dev) | |
107 | /* parentage should never be missing */ | |
108 | #define fcoe_fcf_dev_to_ctlr_dev(x) \ | |
109 | dev_to_ctlr((x)->dev.parent) | |
110 | #define fcoe_fcf_device_priv(x) \ | |
111 | ((x)->priv) | |
112 | ||
113 | struct fcoe_ctlr_device *fcoe_ctlr_device_add(struct device *parent, | |
114 | struct fcoe_sysfs_function_template *f, | |
115 | int priv_size); | |
116 | void fcoe_ctlr_device_delete(struct fcoe_ctlr_device *); | |
117 | struct fcoe_fcf_device *fcoe_fcf_device_add(struct fcoe_ctlr_device *, | |
118 | struct fcoe_fcf_device *); | |
119 | void fcoe_fcf_device_delete(struct fcoe_fcf_device *); | |
120 | ||
121 | int __init fcoe_sysfs_setup(void); | |
122 | void __exit fcoe_sysfs_teardown(void); | |
123 | ||
124 | #endif /* FCOE_SYSFS */ |