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*/ 22enum 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 39enum 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 55enum 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 66struct attribute_group; 67 68struct 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 mode_t (*is_visible) (void *data, int type); 95}; 96 97struct iscsi_boot_kset { 98 struct list_head kobj_list; 99 struct kset *kset; 100}; 101 102struct iscsi_boot_kobj * 103iscsi_boot_create_initiator(struct iscsi_boot_kset *boot_kset, int index, 104 void *data, 105 ssize_t (*show) (void *data, int type, char *buf), 106 mode_t (*is_visible) (void *data, int type)); 107 108struct iscsi_boot_kobj * 109iscsi_boot_create_ethernet(struct iscsi_boot_kset *boot_kset, int index, 110 void *data, 111 ssize_t (*show) (void *data, int type, char *buf), 112 mode_t (*is_visible) (void *data, int type)); 113struct iscsi_boot_kobj * 114iscsi_boot_create_target(struct iscsi_boot_kset *boot_kset, int index, 115 void *data, 116 ssize_t (*show) (void *data, int type, char *buf), 117 mode_t (*is_visible) (void *data, int type)); 118 119struct iscsi_boot_kset *iscsi_boot_create_kset(const char *set_name); 120struct iscsi_boot_kset *iscsi_boot_create_host_kset(unsigned int hostno); 121void iscsi_boot_destroy_kset(struct iscsi_boot_kset *boot_kset); 122 123#endif 124