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ba4ee30c6c
Not all iscsi drivers support ibft. For drivers like be2iscsi that do not but are bootable through a vendor firmware specific format/process this patch moves the sysfs interface from the ibft code to a lib module. This then allows userspace tools to search for iscsi boot info in a common place and in a common format. ibft iscsi boot info is exported in the same place as it was before: /sys/firmware/ibft. vendor/fw boot info gets export in /sys/firmware/iscsi_bootX, where X is the scsi host number of the HBA. Underneath these parent dirs, the target, ethernet, and initiator dirs are the same as they were before. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org> Signed-off-by: Peter Jones <pjones@redhat.com>
124 lines
3.4 KiB
C
124 lines
3.4 KiB
C
/*
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* Export the iSCSI boot info to userland via sysfs.
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*
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* Copyright (C) 2010 Red Hat, Inc. All rights reserved.
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* Copyright (C) 2010 Mike Christie
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License v2.0 as published by
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* the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _ISCSI_BOOT_SYSFS_
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#define _ISCSI_BOOT_SYSFS_
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/*
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* The text attributes names for each of the kobjects.
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*/
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enum iscsi_boot_eth_properties_enum {
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ISCSI_BOOT_ETH_INDEX,
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ISCSI_BOOT_ETH_FLAGS,
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ISCSI_BOOT_ETH_IP_ADDR,
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ISCSI_BOOT_ETH_SUBNET_MASK,
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ISCSI_BOOT_ETH_ORIGIN,
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ISCSI_BOOT_ETH_GATEWAY,
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ISCSI_BOOT_ETH_PRIMARY_DNS,
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ISCSI_BOOT_ETH_SECONDARY_DNS,
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ISCSI_BOOT_ETH_DHCP,
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ISCSI_BOOT_ETH_VLAN,
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ISCSI_BOOT_ETH_MAC,
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/* eth_pci_bdf - this is replaced by link to the device itself. */
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ISCSI_BOOT_ETH_HOSTNAME,
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ISCSI_BOOT_ETH_END_MARKER,
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};
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enum iscsi_boot_tgt_properties_enum {
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ISCSI_BOOT_TGT_INDEX,
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ISCSI_BOOT_TGT_FLAGS,
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ISCSI_BOOT_TGT_IP_ADDR,
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ISCSI_BOOT_TGT_PORT,
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ISCSI_BOOT_TGT_LUN,
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ISCSI_BOOT_TGT_CHAP_TYPE,
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ISCSI_BOOT_TGT_NIC_ASSOC,
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ISCSI_BOOT_TGT_NAME,
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ISCSI_BOOT_TGT_CHAP_NAME,
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ISCSI_BOOT_TGT_CHAP_SECRET,
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ISCSI_BOOT_TGT_REV_CHAP_NAME,
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ISCSI_BOOT_TGT_REV_CHAP_SECRET,
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ISCSI_BOOT_TGT_END_MARKER,
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};
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enum iscsi_boot_initiator_properties_enum {
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ISCSI_BOOT_INI_INDEX,
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ISCSI_BOOT_INI_FLAGS,
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ISCSI_BOOT_INI_ISNS_SERVER,
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ISCSI_BOOT_INI_SLP_SERVER,
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ISCSI_BOOT_INI_PRI_RADIUS_SERVER,
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ISCSI_BOOT_INI_SEC_RADIUS_SERVER,
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ISCSI_BOOT_INI_INITIATOR_NAME,
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ISCSI_BOOT_INI_END_MARKER,
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};
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struct attribute_group;
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struct iscsi_boot_kobj {
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struct kobject kobj;
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struct attribute_group *attr_group;
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struct list_head list;
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/*
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* Pointer to store driver specific info. If set this will
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* be freed for the LLD when the kobj release function is called.
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*/
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void *data;
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/*
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* Driver specific show function.
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*
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* The enum of the type. This can be any value of the above
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* properties.
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*/
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ssize_t (*show) (void *data, int type, char *buf);
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/*
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* Drivers specific visibility function.
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* The function should return if they the attr should be readable
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* writable or should not be shown.
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*
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* The enum of the type. This can be any value of the above
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* properties.
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*/
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mode_t (*is_visible) (void *data, int type);
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};
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struct iscsi_boot_kset {
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struct list_head kobj_list;
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struct kset *kset;
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};
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struct iscsi_boot_kobj *
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iscsi_boot_create_initiator(struct iscsi_boot_kset *boot_kset, int index,
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void *data,
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ssize_t (*show) (void *data, int type, char *buf),
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mode_t (*is_visible) (void *data, int type));
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struct iscsi_boot_kobj *
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iscsi_boot_create_ethernet(struct iscsi_boot_kset *boot_kset, int index,
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void *data,
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ssize_t (*show) (void *data, int type, char *buf),
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mode_t (*is_visible) (void *data, int type));
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struct iscsi_boot_kobj *
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iscsi_boot_create_target(struct iscsi_boot_kset *boot_kset, int index,
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void *data,
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ssize_t (*show) (void *data, int type, char *buf),
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mode_t (*is_visible) (void *data, int type));
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struct iscsi_boot_kset *iscsi_boot_create_kset(const char *set_name);
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struct iscsi_boot_kset *iscsi_boot_create_host_kset(unsigned int hostno);
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void iscsi_boot_destroy_kset(struct iscsi_boot_kset *boot_kset);
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#endif
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