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TOMOYO Linux Cross Reference
Linux/include/linux/iscsi_boot_sysfs.h

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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,
 26         ISCSI_BOOT_ETH_SUBNET_MASK,
 27         ISCSI_BOOT_ETH_ORIGIN,
 28         ISCSI_BOOT_ETH_GATEWAY,
 29         ISCSI_BOOT_ETH_PRIMARY_DNS,
 30         ISCSI_BOOT_ETH_SECONDARY_DNS,
 31         ISCSI_BOOT_ETH_DHCP,
 32         ISCSI_BOOT_ETH_VLAN,
 33         ISCSI_BOOT_ETH_MAC,
 34         /* eth_pci_bdf - this is replaced by link to the device itself. */
 35         ISCSI_BOOT_ETH_HOSTNAME,
 36         ISCSI_BOOT_ETH_END_MARKER,
 37 };
 38 
 39 enum iscsi_boot_tgt_properties_enum {
 40         ISCSI_BOOT_TGT_INDEX,
 41         ISCSI_BOOT_TGT_FLAGS,
 42         ISCSI_BOOT_TGT_IP_ADDR,
 43         ISCSI_BOOT_TGT_PORT,
 44         ISCSI_BOOT_TGT_LUN,
 45         ISCSI_BOOT_TGT_CHAP_TYPE,
 46         ISCSI_BOOT_TGT_NIC_ASSOC,
 47         ISCSI_BOOT_TGT_NAME,
 48         ISCSI_BOOT_TGT_CHAP_NAME,
 49         ISCSI_BOOT_TGT_CHAP_SECRET,
 50         ISCSI_BOOT_TGT_REV_CHAP_NAME,
 51         ISCSI_BOOT_TGT_REV_CHAP_SECRET,
 52         ISCSI_BOOT_TGT_END_MARKER,
 53 };
 54 
 55 enum iscsi_boot_initiator_properties_enum {
 56         ISCSI_BOOT_INI_INDEX,
 57         ISCSI_BOOT_INI_FLAGS,
 58         ISCSI_BOOT_INI_ISNS_SERVER,
 59         ISCSI_BOOT_INI_SLP_SERVER,
 60         ISCSI_BOOT_INI_PRI_RADIUS_SERVER,
 61         ISCSI_BOOT_INI_SEC_RADIUS_SERVER,
 62         ISCSI_BOOT_INI_INITIATOR_NAME,
 63         ISCSI_BOOT_INI_END_MARKER,
 64 };
 65 
 66 struct attribute_group;
 67 
 68 struct iscsi_boot_kobj {
 69         struct kobject kobj;
 70         struct attribute_group *attr_group;
 71         struct list_head list;
 72 
 73         /*
 74          * Pointer to store driver specific info. If set this will
 75          * be freed for the LLD when the kobj release function is called.
 76          */
 77         void *data;
 78         /*
 79          * Driver specific show function.
 80          *
 81          * The enum of the type. This can be any value of the above
 82          * properties.
 83          */
 84         ssize_t (*show) (void *data, int type, char *buf);
 85 
 86         /*
 87          * Drivers specific visibility function.
 88          * The function should return if they the attr should be readable
 89          * writable or should not be shown.
 90          *
 91          * The enum of the type. This can be any value of the above
 92          * properties.
 93          */
 94         umode_t (*is_visible) (void *data, int type);
 95 
 96         /*
 97          * Driver specific release function.
 98          *
 99          * The function should free the data passed in.
100          */
101         void (*release) (void *data);
102 };
103 
104 struct iscsi_boot_kset {
105         struct list_head kobj_list;
106         struct kset *kset;
107 };
108 
109 struct iscsi_boot_kobj *
110 iscsi_boot_create_initiator(struct iscsi_boot_kset *boot_kset, int index,
111                             void *data,
112                             ssize_t (*show) (void *data, int type, char *buf),
113                             umode_t (*is_visible) (void *data, int type),
114                             void (*release) (void *data));
115 
116 struct iscsi_boot_kobj *
117 iscsi_boot_create_ethernet(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 struct iscsi_boot_kobj *
123 iscsi_boot_create_target(struct iscsi_boot_kset *boot_kset, int index,
124                          void *data,
125                          ssize_t (*show) (void *data, int type, char *buf),
126                          umode_t (*is_visible) (void *data, int type),
127                          void (*release) (void *data));
128 
129 struct iscsi_boot_kset *iscsi_boot_create_kset(const char *set_name);
130 struct iscsi_boot_kset *iscsi_boot_create_host_kset(unsigned int hostno);
131 void iscsi_boot_destroy_kset(struct iscsi_boot_kset *boot_kset);
132 
133 #endif
134 

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