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 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 */ 95 umode_t (*is_visible) (void *data, int type); 96 97 /* 98 * Driver specific release function. 99 * 100 * The function should free the data passed in. 101 */ 102 void (*release) (void *data); 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), 114 umode_t (*is_visible) (void *data, int type), 115 void (*release) (void *data)); 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), 121 umode_t (*is_visible) (void *data, int type), 122 void (*release) (void *data)); 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), 127 umode_t (*is_visible) (void *data, int type), 128 void (*release) (void *data)); 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 135