blob: 7e2314870341ee1238724a0e027175a6ce42516e [file] [log] [blame]
Robert Love9a74e882012-05-22 19:06:21 -07001/*
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
27struct fcoe_ctlr_device;
28struct fcoe_fcf_device;
29
30struct 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 *);
Robert Love6a891b02012-11-27 06:53:30 +000037 void (*set_fcoe_ctlr_mode)(struct fcoe_ctlr_device *);
38 int (*set_fcoe_ctlr_enabled)(struct fcoe_ctlr_device *);
Robert Love9a74e882012-05-22 19:06:21 -070039 void (*get_fcoe_fcf_selected)(struct fcoe_fcf_device *);
40 void (*get_fcoe_fcf_vlan_id)(struct fcoe_fcf_device *);
41};
42
43#define dev_to_ctlr(d) \
44 container_of((d), struct fcoe_ctlr_device, dev)
45
46enum fip_conn_type {
47 FIP_CONN_TYPE_UNKNOWN,
48 FIP_CONN_TYPE_FABRIC,
49 FIP_CONN_TYPE_VN2VN,
50};
51
Robert Love6a891b02012-11-27 06:53:30 +000052enum ctlr_enabled_state {
53 FCOE_CTLR_ENABLED,
54 FCOE_CTLR_DISABLED,
55 FCOE_CTLR_UNUSED,
56};
57
Robert Love9a74e882012-05-22 19:06:21 -070058struct fcoe_ctlr_device {
59 u32 id;
60
61 struct device dev;
62 struct fcoe_sysfs_function_template *f;
63
64 struct list_head fcfs;
65 char work_q_name[20];
66 struct workqueue_struct *work_q;
67 char devloss_work_q_name[20];
68 struct workqueue_struct *devloss_work_q;
69 struct mutex lock;
70
71 int fcf_dev_loss_tmo;
72 enum fip_conn_type mode;
73
Robert Love6a891b02012-11-27 06:53:30 +000074 enum ctlr_enabled_state enabled;
75
Robert Love9a74e882012-05-22 19:06:21 -070076 /* expected in host order for displaying */
77 struct fcoe_fc_els_lesb lesb;
78};
79
80static inline void *fcoe_ctlr_device_priv(const struct fcoe_ctlr_device *ctlr)
81{
82 return (void *)(ctlr + 1);
83}
84
85/* fcf states */
86enum fcf_state {
87 FCOE_FCF_STATE_UNKNOWN,
88 FCOE_FCF_STATE_DISCONNECTED,
89 FCOE_FCF_STATE_CONNECTED,
90 FCOE_FCF_STATE_DELETED,
91};
92
93struct fcoe_fcf_device {
94 u32 id;
95 struct device dev;
96 struct list_head peers;
97 struct work_struct delete_work;
98 struct delayed_work dev_loss_work;
99 u32 dev_loss_tmo;
100 void *priv;
101 enum fcf_state state;
102
103 u64 fabric_name;
104 u64 switch_name;
105 u32 fc_map;
106 u16 vfid;
107 u8 mac[ETH_ALEN];
108 u8 priority;
109 u32 fka_period;
110 u8 selected;
111 u16 vlan_id;
112};
113
114#define dev_to_fcf(d) \
115 container_of((d), struct fcoe_fcf_device, dev)
116/* parentage should never be missing */
117#define fcoe_fcf_dev_to_ctlr_dev(x) \
118 dev_to_ctlr((x)->dev.parent)
119#define fcoe_fcf_device_priv(x) \
120 ((x)->priv)
121
122struct fcoe_ctlr_device *fcoe_ctlr_device_add(struct device *parent,
123 struct fcoe_sysfs_function_template *f,
124 int priv_size);
125void fcoe_ctlr_device_delete(struct fcoe_ctlr_device *);
126struct fcoe_fcf_device *fcoe_fcf_device_add(struct fcoe_ctlr_device *,
127 struct fcoe_fcf_device *);
128void fcoe_fcf_device_delete(struct fcoe_fcf_device *);
129
130int __init fcoe_sysfs_setup(void);
131void __exit fcoe_sysfs_teardown(void);
132
133#endif /* FCOE_SYSFS */