1 | /* |
2 | * Export the iSCSI boot info to userland via sysfs. |
3 | * |
4 | * Copyright (C) 2010 Red Hat, Inc. All rights reserved. |
5 | * Copyright (C) 2010 Mike Christie |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify |
8 | * it under the terms of the GNU General Public License v2.0 as published by |
9 | * the Free Software Foundation |
10 | * |
11 | * This program is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
15 | */ |
16 | #ifndef _ISCSI_BOOT_SYSFS_ |
17 | #define _ISCSI_BOOT_SYSFS_ |
18 | |
19 | /* |
20 | * The text attributes names for each of the kobjects. |
21 | */ |
22 | enum iscsi_boot_eth_properties_enum { |
23 | ISCSI_BOOT_ETH_INDEX, |
24 | ISCSI_BOOT_ETH_FLAGS, |
25 | ISCSI_BOOT_ETH_IP_ADDR, |
26 | ISCSI_BOOT_ETH_PREFIX_LEN, |
27 | ISCSI_BOOT_ETH_SUBNET_MASK, |
28 | ISCSI_BOOT_ETH_ORIGIN, |
29 | ISCSI_BOOT_ETH_GATEWAY, |
30 | ISCSI_BOOT_ETH_PRIMARY_DNS, |
31 | ISCSI_BOOT_ETH_SECONDARY_DNS, |
32 | ISCSI_BOOT_ETH_DHCP, |
33 | ISCSI_BOOT_ETH_VLAN, |
34 | ISCSI_BOOT_ETH_MAC, |
35 | /* eth_pci_bdf - this is replaced by link to the device itself. */ |
36 | ISCSI_BOOT_ETH_HOSTNAME, |
37 | ISCSI_BOOT_ETH_END_MARKER, |
38 | }; |
39 | |
40 | enum iscsi_boot_tgt_properties_enum { |
41 | ISCSI_BOOT_TGT_INDEX, |
42 | ISCSI_BOOT_TGT_FLAGS, |
43 | ISCSI_BOOT_TGT_IP_ADDR, |
44 | ISCSI_BOOT_TGT_PORT, |
45 | ISCSI_BOOT_TGT_LUN, |
46 | ISCSI_BOOT_TGT_CHAP_TYPE, |
47 | ISCSI_BOOT_TGT_NIC_ASSOC, |
48 | ISCSI_BOOT_TGT_NAME, |
49 | ISCSI_BOOT_TGT_CHAP_NAME, |
50 | ISCSI_BOOT_TGT_CHAP_SECRET, |
51 | ISCSI_BOOT_TGT_REV_CHAP_NAME, |
52 | ISCSI_BOOT_TGT_REV_CHAP_SECRET, |
53 | ISCSI_BOOT_TGT_END_MARKER, |
54 | }; |
55 | |
56 | enum iscsi_boot_initiator_properties_enum { |
57 | ISCSI_BOOT_INI_INDEX, |
58 | ISCSI_BOOT_INI_FLAGS, |
59 | ISCSI_BOOT_INI_ISNS_SERVER, |
60 | ISCSI_BOOT_INI_SLP_SERVER, |
61 | ISCSI_BOOT_INI_PRI_RADIUS_SERVER, |
62 | ISCSI_BOOT_INI_SEC_RADIUS_SERVER, |
63 | ISCSI_BOOT_INI_INITIATOR_NAME, |
64 | ISCSI_BOOT_INI_END_MARKER, |
65 | }; |
66 | |
67 | enum iscsi_boot_acpitbl_properties_enum { |
68 | ISCSI_BOOT_ACPITBL_SIGNATURE, |
69 | ISCSI_BOOT_ACPITBL_OEM_ID, |
70 | ISCSI_BOOT_ACPITBL_OEM_TABLE_ID, |
71 | }; |
72 | |
73 | struct attribute_group; |
74 | |
75 | struct iscsi_boot_kobj { |
76 | struct kobject kobj; |
77 | struct attribute_group *attr_group; |
78 | struct list_head list; |
79 | |
80 | /* |
81 | * Pointer to store driver specific info. If set this will |
82 | * be freed for the LLD when the kobj release function is called. |
83 | */ |
84 | void *data; |
85 | /* |
86 | * Driver specific show function. |
87 | * |
88 | * The enum of the type. This can be any value of the above |
89 | * properties. |
90 | */ |
91 | ssize_t (*show) (void *data, int type, char *buf); |
92 | |
93 | /* |
94 | * Drivers specific visibility function. |
95 | * The function should return if they the attr should be readable |
96 | * writable or should not be shown. |
97 | * |
98 | * The enum of the type. This can be any value of the above |
99 | * properties. |
100 | */ |
101 | umode_t (*is_visible) (void *data, int type); |
102 | |
103 | /* |
104 | * Driver specific release function. |
105 | * |
106 | * The function should free the data passed in. |
107 | */ |
108 | void (*release) (void *data); |
109 | }; |
110 | |
111 | struct iscsi_boot_kset { |
112 | struct list_head kobj_list; |
113 | struct kset *kset; |
114 | }; |
115 | |
116 | struct iscsi_boot_kobj * |
117 | iscsi_boot_create_initiator(struct iscsi_boot_kset *boot_kset, int index, |
118 | void *data, |
119 | ssize_t (*show) (void *data, int type, char *buf), |
120 | umode_t (*is_visible) (void *data, int type), |
121 | void (*release) (void *data)); |
122 | |
123 | struct iscsi_boot_kobj * |
124 | iscsi_boot_create_ethernet(struct iscsi_boot_kset *boot_kset, int index, |
125 | void *data, |
126 | ssize_t (*show) (void *data, int type, char *buf), |
127 | umode_t (*is_visible) (void *data, int type), |
128 | void (*release) (void *data)); |
129 | struct iscsi_boot_kobj * |
130 | iscsi_boot_create_target(struct iscsi_boot_kset *boot_kset, int index, |
131 | void *data, |
132 | ssize_t (*show) (void *data, int type, char *buf), |
133 | umode_t (*is_visible) (void *data, int type), |
134 | void (*release) (void *data)); |
135 | |
136 | struct iscsi_boot_kobj * |
137 | iscsi_boot_create_acpitbl(struct iscsi_boot_kset *boot_kset, int index, |
138 | void *data, |
139 | ssize_t (*show)(void *data, int type, char *buf), |
140 | umode_t (*is_visible)(void *data, int type), |
141 | void (*release)(void *data)); |
142 | |
143 | struct iscsi_boot_kset *iscsi_boot_create_kset(const char *set_name); |
144 | struct iscsi_boot_kset *iscsi_boot_create_host_kset(unsigned int hostno); |
145 | void iscsi_boot_destroy_kset(struct iscsi_boot_kset *boot_kset); |
146 | |
147 | #endif |
148 | |