summaryrefslogtreecommitdiff
path: root/include/linux/iscsi_boot_sysfs.h
blob: 2a8b1659bf3579aa41a36483fd1b8350eb7ca545 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/*
 * Export the iSCSI boot info to userland via sysfs.
 *
 * Copyright (C) 2010 Red Hat, Inc.  All rights reserved.
 * Copyright (C) 2010 Mike Christie
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License v2.0 as published by
 * the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */
#ifndef _ISCSI_BOOT_SYSFS_
#define _ISCSI_BOOT_SYSFS_

/*
 * The text attributes names for each of the kobjects.
*/
enum iscsi_boot_eth_properties_enum {
	ISCSI_BOOT_ETH_INDEX,
	ISCSI_BOOT_ETH_FLAGS,
	ISCSI_BOOT_ETH_IP_ADDR,
	ISCSI_BOOT_ETH_SUBNET_MASK,
	ISCSI_BOOT_ETH_ORIGIN,
	ISCSI_BOOT_ETH_GATEWAY,
	ISCSI_BOOT_ETH_PRIMARY_DNS,
	ISCSI_BOOT_ETH_SECONDARY_DNS,
	ISCSI_BOOT_ETH_DHCP,
	ISCSI_BOOT_ETH_VLAN,
	ISCSI_BOOT_ETH_MAC,
	/* eth_pci_bdf - this is replaced by link to the device itself. */
	ISCSI_BOOT_ETH_HOSTNAME,
	ISCSI_BOOT_ETH_END_MARKER,
};

enum iscsi_boot_tgt_properties_enum {
	ISCSI_BOOT_TGT_INDEX,
	ISCSI_BOOT_TGT_FLAGS,
	ISCSI_BOOT_TGT_IP_ADDR,
	ISCSI_BOOT_TGT_PORT,
	ISCSI_BOOT_TGT_LUN,
	ISCSI_BOOT_TGT_CHAP_TYPE,
	ISCSI_BOOT_TGT_NIC_ASSOC,
	ISCSI_BOOT_TGT_NAME,
	ISCSI_BOOT_TGT_CHAP_NAME,
	ISCSI_BOOT_TGT_CHAP_SECRET,
	ISCSI_BOOT_TGT_REV_CHAP_NAME,
	ISCSI_BOOT_TGT_REV_CHAP_SECRET,
	ISCSI_BOOT_TGT_END_MARKER,
};

enum iscsi_boot_initiator_properties_enum {
	ISCSI_BOOT_INI_INDEX,
	ISCSI_BOOT_INI_FLAGS,
	ISCSI_BOOT_INI_ISNS_SERVER,
	ISCSI_BOOT_INI_SLP_SERVER,
	ISCSI_BOOT_INI_PRI_RADIUS_SERVER,
	ISCSI_BOOT_INI_SEC_RADIUS_SERVER,
	ISCSI_BOOT_INI_INITIATOR_NAME,
	ISCSI_BOOT_INI_END_MARKER,
};

struct attribute_group;

struct iscsi_boot_kobj {
	struct kobject kobj;
	struct attribute_group *attr_group;
	struct list_head list;

	/*
	 * Pointer to store driver specific info. If set this will
	 * be freed for the LLD when the kobj release function is called.
	 */
	void *data;
	/*
	 * Driver specific show function.
	 *
	 * The enum of the type. This can be any value of the above
	 * properties.
	 */
	ssize_t (*show) (void *data, int type, char *buf);

	/*
	 * Drivers specific visibility function.
	 * The function should return if they the attr should be readable
	 * writable or should not be shown.
	 *
	 * The enum of the type. This can be any value of the above
	 * properties.
	 */
	umode_t (*is_visible) (void *data, int type);

	/*
	 * Driver specific release function.
	 *
	 * The function should free the data passed in.
	 */
	void (*release) (void *data);
};

struct iscsi_boot_kset {
	struct list_head kobj_list;
	struct kset *kset;
};

struct iscsi_boot_kobj *
iscsi_boot_create_initiator(struct iscsi_boot_kset *boot_kset, int index,
			    void *data,
			    ssize_t (*show) (void *data, int type, char *buf),
			    umode_t (*is_visible) (void *data, int type),
			    void (*release) (void *data));

struct iscsi_boot_kobj *
iscsi_boot_create_ethernet(struct iscsi_boot_kset *boot_kset, int index,
			   void *data,
			   ssize_t (*show) (void *data, int type, char *buf),
			   umode_t (*is_visible) (void *data, int type),
			   void (*release) (void *data));
struct iscsi_boot_kobj *
iscsi_boot_create_target(struct iscsi_boot_kset *boot_kset, int index,
			 void *data,
			 ssize_t (*show) (void *data, int type, char *buf),
			 umode_t (*is_visible) (void *data, int type),
			 void (*release) (void *data));

struct iscsi_boot_kset *iscsi_boot_create_kset(const char *set_name);
struct iscsi_boot_kset *iscsi_boot_create_host_kset(unsigned int hostno);
void iscsi_boot_destroy_kset(struct iscsi_boot_kset *boot_kset);

#endif