1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (c) 2011-2012 Intel Corporation. All rights reserved. |
4 | * |
5 | * Maintained at www.Open-FCoE.org |
6 | */ |
7 | |
8 | #ifndef FCOE_SYSFS |
9 | #define FCOE_SYSFS |
10 | |
11 | #include <linux/if_ether.h> |
12 | #include <linux/device.h> |
13 | #include <scsi/fc/fc_fcoe.h> |
14 | |
15 | struct fcoe_ctlr_device; |
16 | struct fcoe_fcf_device; |
17 | |
18 | struct fcoe_sysfs_function_template { |
19 | void (*get_fcoe_ctlr_link_fail)(struct fcoe_ctlr_device *); |
20 | void (*get_fcoe_ctlr_vlink_fail)(struct fcoe_ctlr_device *); |
21 | void (*get_fcoe_ctlr_miss_fka)(struct fcoe_ctlr_device *); |
22 | void (*get_fcoe_ctlr_symb_err)(struct fcoe_ctlr_device *); |
23 | void (*get_fcoe_ctlr_err_block)(struct fcoe_ctlr_device *); |
24 | void (*get_fcoe_ctlr_fcs_error)(struct fcoe_ctlr_device *); |
25 | void (*set_fcoe_ctlr_mode)(struct fcoe_ctlr_device *); |
26 | int (*set_fcoe_ctlr_enabled)(struct fcoe_ctlr_device *); |
27 | void (*get_fcoe_fcf_selected)(struct fcoe_fcf_device *); |
28 | void (*get_fcoe_fcf_vlan_id)(struct fcoe_fcf_device *); |
29 | }; |
30 | |
31 | #define dev_to_ctlr(d) \ |
32 | container_of((d), struct fcoe_ctlr_device, dev) |
33 | |
34 | enum fip_conn_type { |
35 | FIP_CONN_TYPE_UNKNOWN, |
36 | FIP_CONN_TYPE_FABRIC, |
37 | FIP_CONN_TYPE_VN2VN, |
38 | }; |
39 | |
40 | enum ctlr_enabled_state { |
41 | FCOE_CTLR_ENABLED, |
42 | FCOE_CTLR_DISABLED, |
43 | FCOE_CTLR_UNUSED, |
44 | }; |
45 | |
46 | struct fcoe_ctlr_device { |
47 | u32 id; |
48 | |
49 | struct device dev; |
50 | struct fcoe_sysfs_function_template *f; |
51 | |
52 | struct list_head fcfs; |
53 | char work_q_name[20]; |
54 | struct workqueue_struct *work_q; |
55 | char devloss_work_q_name[20]; |
56 | struct workqueue_struct *devloss_work_q; |
57 | struct mutex lock; |
58 | |
59 | int fcf_dev_loss_tmo; |
60 | enum fip_conn_type mode; |
61 | |
62 | enum ctlr_enabled_state enabled; |
63 | |
64 | /* expected in host order for displaying */ |
65 | struct fcoe_fc_els_lesb lesb; |
66 | }; |
67 | |
68 | static inline void *fcoe_ctlr_device_priv(const struct fcoe_ctlr_device *ctlr) |
69 | { |
70 | return (void *)(ctlr + 1); |
71 | } |
72 | |
73 | /* fcf states */ |
74 | enum fcf_state { |
75 | FCOE_FCF_STATE_UNKNOWN, |
76 | FCOE_FCF_STATE_DISCONNECTED, |
77 | FCOE_FCF_STATE_CONNECTED, |
78 | FCOE_FCF_STATE_DELETED, |
79 | }; |
80 | |
81 | struct fcoe_fcf_device { |
82 | u32 id; |
83 | struct device dev; |
84 | struct list_head peers; |
85 | struct work_struct delete_work; |
86 | struct delayed_work dev_loss_work; |
87 | u32 dev_loss_tmo; |
88 | void *priv; |
89 | enum fcf_state state; |
90 | |
91 | u64 fabric_name; |
92 | u64 switch_name; |
93 | u32 fc_map; |
94 | u16 vfid; |
95 | u8 mac[ETH_ALEN]; |
96 | u8 priority; |
97 | u32 fka_period; |
98 | u8 selected; |
99 | u16 vlan_id; |
100 | }; |
101 | |
102 | #define dev_to_fcf(d) \ |
103 | container_of((d), struct fcoe_fcf_device, dev) |
104 | /* parentage should never be missing */ |
105 | #define fcoe_fcf_dev_to_ctlr_dev(x) \ |
106 | dev_to_ctlr((x)->dev.parent) |
107 | #define fcoe_fcf_device_priv(x) \ |
108 | ((x)->priv) |
109 | |
110 | struct fcoe_ctlr_device *fcoe_ctlr_device_add(struct device *parent, |
111 | struct fcoe_sysfs_function_template *f, |
112 | int priv_size); |
113 | void fcoe_ctlr_device_delete(struct fcoe_ctlr_device *); |
114 | struct fcoe_fcf_device *fcoe_fcf_device_add(struct fcoe_ctlr_device *, |
115 | struct fcoe_fcf_device *); |
116 | void fcoe_fcf_device_delete(struct fcoe_fcf_device *); |
117 | |
118 | int __init fcoe_sysfs_setup(void); |
119 | void __exit fcoe_sysfs_teardown(void); |
120 | |
121 | #endif /* FCOE_SYSFS */ |
122 | |