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
fcoe_ctlr_device_priv(const struct fcoe_ctlr_device * ctlr)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