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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, | |
c988cabe | 26 | ISCSI_BOOT_ETH_PREFIX_LEN, |
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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 | struct attribute_group; | |
68 | ||
69 | struct iscsi_boot_kobj { | |
70 | struct kobject kobj; | |
71 | struct attribute_group *attr_group; | |
72 | struct list_head list; | |
73 | ||
74 | /* | |
75 | * Pointer to store driver specific info. If set this will | |
76 | * be freed for the LLD when the kobj release function is called. | |
77 | */ | |
78 | void *data; | |
79 | /* | |
80 | * Driver specific show function. | |
81 | * | |
82 | * The enum of the type. This can be any value of the above | |
83 | * properties. | |
84 | */ | |
85 | ssize_t (*show) (void *data, int type, char *buf); | |
86 | ||
87 | /* | |
88 | * Drivers specific visibility function. | |
89 | * The function should return if they the attr should be readable | |
90 | * writable or should not be shown. | |
91 | * | |
92 | * The enum of the type. This can be any value of the above | |
93 | * properties. | |
94 | */ | |
587a1f16 | 95 | umode_t (*is_visible) (void *data, int type); |
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96 | |
97 | /* | |
98 | * Driver specific release function. | |
99 | * | |
100 | * The function should free the data passed in. | |
101 | */ | |
102 | void (*release) (void *data); | |
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103 | }; |
104 | ||
105 | struct iscsi_boot_kset { | |
106 | struct list_head kobj_list; | |
107 | struct kset *kset; | |
108 | }; | |
109 | ||
110 | struct iscsi_boot_kobj * | |
111 | iscsi_boot_create_initiator(struct iscsi_boot_kset *boot_kset, int index, | |
112 | void *data, | |
113 | ssize_t (*show) (void *data, int type, char *buf), | |
587a1f16 | 114 | umode_t (*is_visible) (void *data, int type), |
f457a46f | 115 | void (*release) (void *data)); |
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116 | |
117 | struct iscsi_boot_kobj * | |
118 | iscsi_boot_create_ethernet(struct iscsi_boot_kset *boot_kset, int index, | |
119 | void *data, | |
120 | ssize_t (*show) (void *data, int type, char *buf), | |
587a1f16 | 121 | umode_t (*is_visible) (void *data, int type), |
f457a46f | 122 | void (*release) (void *data)); |
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123 | struct iscsi_boot_kobj * |
124 | iscsi_boot_create_target(struct iscsi_boot_kset *boot_kset, int index, | |
125 | void *data, | |
126 | ssize_t (*show) (void *data, int type, char *buf), | |
587a1f16 | 127 | umode_t (*is_visible) (void *data, int type), |
f457a46f | 128 | void (*release) (void *data)); |
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129 | |
130 | struct iscsi_boot_kset *iscsi_boot_create_kset(const char *set_name); | |
131 | struct iscsi_boot_kset *iscsi_boot_create_host_kset(unsigned int hostno); | |
132 | void iscsi_boot_destroy_kset(struct iscsi_boot_kset *boot_kset); | |
133 | ||
134 | #endif |