Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

3 Commits   0 Branches   0 Tags   |
// SPDX-License-Identifier: GPL-2.0-only
/*
* Export the iSCSI boot info to userland via sysfs.
*
* Copyright (C) 2010 Red Hat, Inc. All rights reserved.
* Copyright (C) 2010 Mike Christie
*/
#include <linux/module.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/capability.h>
#include <linux/iscsi_boot_sysfs.h>
MODULE_AUTHOR("Mike Christie <michaelc@cs.wisc.edu>");
MODULE_DESCRIPTION("sysfs interface and helpers to export iSCSI boot information");
MODULE_LICENSE("GPL");
/*
* The kobject and attribute structures.
*/
struct iscsi_boot_attr {
<------>struct attribute attr;
<------>int type;
<------>ssize_t (*show) (void *data, int type, char *buf);
};
/*
* The routine called for all sysfs attributes.
*/
static ssize_t iscsi_boot_show_attribute(struct kobject *kobj,
<------><------><------><------><------> struct attribute *attr, char *buf)
{
<------>struct iscsi_boot_kobj *boot_kobj =
<------><------><------>container_of(kobj, struct iscsi_boot_kobj, kobj);
<------>struct iscsi_boot_attr *boot_attr =
<------><------><------>container_of(attr, struct iscsi_boot_attr, attr);
<------>ssize_t ret = -EIO;
<------>char *str = buf;
<------>if (!capable(CAP_SYS_ADMIN))
<------><------>return -EACCES;
<------>if (boot_kobj->show)
<------><------>ret = boot_kobj->show(boot_kobj->data, boot_attr->type, str);
<------>return ret;
}
static const struct sysfs_ops iscsi_boot_attr_ops = {
<------>.show = iscsi_boot_show_attribute,
};
static void iscsi_boot_kobj_release(struct kobject *kobj)
{
<------>struct iscsi_boot_kobj *boot_kobj =
<------><------><------>container_of(kobj, struct iscsi_boot_kobj, kobj);
<------>if (boot_kobj->release)
<------><------>boot_kobj->release(boot_kobj->data);
<------>kfree(boot_kobj);
}
static struct kobj_type iscsi_boot_ktype = {
<------>.release = iscsi_boot_kobj_release,
<------>.sysfs_ops = &iscsi_boot_attr_ops,
};
#define iscsi_boot_rd_attr(fnname, sysfs_name, attr_type) \
static struct iscsi_boot_attr iscsi_boot_attr_##fnname = { \
<------>.attr = { .name = __stringify(sysfs_name), .mode = 0444 }, \
<------>.type = attr_type, \
}
/* Target attrs */
iscsi_boot_rd_attr(tgt_index, index, ISCSI_BOOT_TGT_INDEX);
iscsi_boot_rd_attr(tgt_flags, flags, ISCSI_BOOT_TGT_FLAGS);
iscsi_boot_rd_attr(tgt_ip, ip-addr, ISCSI_BOOT_TGT_IP_ADDR);
iscsi_boot_rd_attr(tgt_port, port, ISCSI_BOOT_TGT_PORT);
iscsi_boot_rd_attr(tgt_lun, lun, ISCSI_BOOT_TGT_LUN);
iscsi_boot_rd_attr(tgt_chap, chap-type, ISCSI_BOOT_TGT_CHAP_TYPE);
iscsi_boot_rd_attr(tgt_nic, nic-assoc, ISCSI_BOOT_TGT_NIC_ASSOC);
iscsi_boot_rd_attr(tgt_name, target-name, ISCSI_BOOT_TGT_NAME);
iscsi_boot_rd_attr(tgt_chap_name, chap-name, ISCSI_BOOT_TGT_CHAP_NAME);
iscsi_boot_rd_attr(tgt_chap_secret, chap-secret, ISCSI_BOOT_TGT_CHAP_SECRET);
iscsi_boot_rd_attr(tgt_chap_rev_name, rev-chap-name,
<------><------> ISCSI_BOOT_TGT_REV_CHAP_NAME);
iscsi_boot_rd_attr(tgt_chap_rev_secret, rev-chap-name-secret,
<------><------> ISCSI_BOOT_TGT_REV_CHAP_SECRET);
static struct attribute *target_attrs[] = {
<------>&iscsi_boot_attr_tgt_index.attr,
<------>&iscsi_boot_attr_tgt_flags.attr,
<------>&iscsi_boot_attr_tgt_ip.attr,
<------>&iscsi_boot_attr_tgt_port.attr,
<------>&iscsi_boot_attr_tgt_lun.attr,
<------>&iscsi_boot_attr_tgt_chap.attr,
<------>&iscsi_boot_attr_tgt_nic.attr,
<------>&iscsi_boot_attr_tgt_name.attr,
<------>&iscsi_boot_attr_tgt_chap_name.attr,
<------>&iscsi_boot_attr_tgt_chap_secret.attr,
<------>&iscsi_boot_attr_tgt_chap_rev_name.attr,
<------>&iscsi_boot_attr_tgt_chap_rev_secret.attr,
<------>NULL
};
static umode_t iscsi_boot_tgt_attr_is_visible(struct kobject *kobj,
<------><------><------><------><------> struct attribute *attr, int i)
{
<------>struct iscsi_boot_kobj *boot_kobj =
<------><------><------>container_of(kobj, struct iscsi_boot_kobj, kobj);
<------>if (attr == &iscsi_boot_attr_tgt_index.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_TGT_INDEX);
<------>else if (attr == &iscsi_boot_attr_tgt_flags.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_TGT_FLAGS);
<------>else if (attr == &iscsi_boot_attr_tgt_ip.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_TGT_IP_ADDR);
<------>else if (attr == &iscsi_boot_attr_tgt_port.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_TGT_PORT);
<------>else if (attr == &iscsi_boot_attr_tgt_lun.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_TGT_LUN);
<------>else if (attr == &iscsi_boot_attr_tgt_chap.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_TGT_CHAP_TYPE);
<------>else if (attr == &iscsi_boot_attr_tgt_nic.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_TGT_NIC_ASSOC);
<------>else if (attr == &iscsi_boot_attr_tgt_name.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_TGT_NAME);
<------>else if (attr == &iscsi_boot_attr_tgt_chap_name.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_TGT_CHAP_NAME);
<------>else if (attr == &iscsi_boot_attr_tgt_chap_secret.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_TGT_CHAP_SECRET);
<------>else if (attr == &iscsi_boot_attr_tgt_chap_rev_name.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_TGT_REV_CHAP_NAME);
<------>else if (attr == &iscsi_boot_attr_tgt_chap_rev_secret.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_TGT_REV_CHAP_SECRET);
<------>return 0;
}
static struct attribute_group iscsi_boot_target_attr_group = {
<------>.attrs = target_attrs,
<------>.is_visible = iscsi_boot_tgt_attr_is_visible,
};
/* Ethernet attrs */
iscsi_boot_rd_attr(eth_index, index, ISCSI_BOOT_ETH_INDEX);
iscsi_boot_rd_attr(eth_flags, flags, ISCSI_BOOT_ETH_FLAGS);
iscsi_boot_rd_attr(eth_ip, ip-addr, ISCSI_BOOT_ETH_IP_ADDR);
iscsi_boot_rd_attr(eth_prefix, prefix-len, ISCSI_BOOT_ETH_PREFIX_LEN);
iscsi_boot_rd_attr(eth_subnet, subnet-mask, ISCSI_BOOT_ETH_SUBNET_MASK);
iscsi_boot_rd_attr(eth_origin, origin, ISCSI_BOOT_ETH_ORIGIN);
iscsi_boot_rd_attr(eth_gateway, gateway, ISCSI_BOOT_ETH_GATEWAY);
iscsi_boot_rd_attr(eth_primary_dns, primary-dns, ISCSI_BOOT_ETH_PRIMARY_DNS);
iscsi_boot_rd_attr(eth_secondary_dns, secondary-dns,
<------><------> ISCSI_BOOT_ETH_SECONDARY_DNS);
iscsi_boot_rd_attr(eth_dhcp, dhcp, ISCSI_BOOT_ETH_DHCP);
iscsi_boot_rd_attr(eth_vlan, vlan, ISCSI_BOOT_ETH_VLAN);
iscsi_boot_rd_attr(eth_mac, mac, ISCSI_BOOT_ETH_MAC);
iscsi_boot_rd_attr(eth_hostname, hostname, ISCSI_BOOT_ETH_HOSTNAME);
static struct attribute *ethernet_attrs[] = {
<------>&iscsi_boot_attr_eth_index.attr,
<------>&iscsi_boot_attr_eth_flags.attr,
<------>&iscsi_boot_attr_eth_ip.attr,
<------>&iscsi_boot_attr_eth_prefix.attr,
<------>&iscsi_boot_attr_eth_subnet.attr,
<------>&iscsi_boot_attr_eth_origin.attr,
<------>&iscsi_boot_attr_eth_gateway.attr,
<------>&iscsi_boot_attr_eth_primary_dns.attr,
<------>&iscsi_boot_attr_eth_secondary_dns.attr,
<------>&iscsi_boot_attr_eth_dhcp.attr,
<------>&iscsi_boot_attr_eth_vlan.attr,
<------>&iscsi_boot_attr_eth_mac.attr,
<------>&iscsi_boot_attr_eth_hostname.attr,
<------>NULL
};
static umode_t iscsi_boot_eth_attr_is_visible(struct kobject *kobj,
<------><------><------><------><------> struct attribute *attr, int i)
{
<------>struct iscsi_boot_kobj *boot_kobj =
<------><------><------>container_of(kobj, struct iscsi_boot_kobj, kobj);
<------>if (attr == &iscsi_boot_attr_eth_index.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ETH_INDEX);
<------>else if (attr == &iscsi_boot_attr_eth_flags.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ETH_FLAGS);
<------>else if (attr == &iscsi_boot_attr_eth_ip.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ETH_IP_ADDR);
<------>else if (attr == &iscsi_boot_attr_eth_prefix.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ETH_PREFIX_LEN);
<------>else if (attr == &iscsi_boot_attr_eth_subnet.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ETH_SUBNET_MASK);
<------>else if (attr == &iscsi_boot_attr_eth_origin.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ETH_ORIGIN);
<------>else if (attr == &iscsi_boot_attr_eth_gateway.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ETH_GATEWAY);
<------>else if (attr == &iscsi_boot_attr_eth_primary_dns.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ETH_PRIMARY_DNS);
<------>else if (attr == &iscsi_boot_attr_eth_secondary_dns.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ETH_SECONDARY_DNS);
<------>else if (attr == &iscsi_boot_attr_eth_dhcp.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ETH_DHCP);
<------>else if (attr == &iscsi_boot_attr_eth_vlan.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ETH_VLAN);
<------>else if (attr == &iscsi_boot_attr_eth_mac.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ETH_MAC);
<------>else if (attr == &iscsi_boot_attr_eth_hostname.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ETH_HOSTNAME);
<------>return 0;
}
static struct attribute_group iscsi_boot_ethernet_attr_group = {
<------>.attrs = ethernet_attrs,
<------>.is_visible = iscsi_boot_eth_attr_is_visible,
};
/* Initiator attrs */
iscsi_boot_rd_attr(ini_index, index, ISCSI_BOOT_INI_INDEX);
iscsi_boot_rd_attr(ini_flags, flags, ISCSI_BOOT_INI_FLAGS);
iscsi_boot_rd_attr(ini_isns, isns-server, ISCSI_BOOT_INI_ISNS_SERVER);
iscsi_boot_rd_attr(ini_slp, slp-server, ISCSI_BOOT_INI_SLP_SERVER);
iscsi_boot_rd_attr(ini_primary_radius, pri-radius-server,
<------><------> ISCSI_BOOT_INI_PRI_RADIUS_SERVER);
iscsi_boot_rd_attr(ini_secondary_radius, sec-radius-server,
<------><------> ISCSI_BOOT_INI_SEC_RADIUS_SERVER);
iscsi_boot_rd_attr(ini_name, initiator-name, ISCSI_BOOT_INI_INITIATOR_NAME);
static struct attribute *initiator_attrs[] = {
<------>&iscsi_boot_attr_ini_index.attr,
<------>&iscsi_boot_attr_ini_flags.attr,
<------>&iscsi_boot_attr_ini_isns.attr,
<------>&iscsi_boot_attr_ini_slp.attr,
<------>&iscsi_boot_attr_ini_primary_radius.attr,
<------>&iscsi_boot_attr_ini_secondary_radius.attr,
<------>&iscsi_boot_attr_ini_name.attr,
<------>NULL
};
static umode_t iscsi_boot_ini_attr_is_visible(struct kobject *kobj,
<------><------><------><------><------> struct attribute *attr, int i)
{
<------>struct iscsi_boot_kobj *boot_kobj =
<------><------><------>container_of(kobj, struct iscsi_boot_kobj, kobj);
<------>if (attr == &iscsi_boot_attr_ini_index.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_INI_INDEX);
<------>if (attr == &iscsi_boot_attr_ini_flags.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_INI_FLAGS);
<------>if (attr == &iscsi_boot_attr_ini_isns.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_INI_ISNS_SERVER);
<------>if (attr == &iscsi_boot_attr_ini_slp.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_INI_SLP_SERVER);
<------>if (attr == &iscsi_boot_attr_ini_primary_radius.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_INI_PRI_RADIUS_SERVER);
<------>if (attr == &iscsi_boot_attr_ini_secondary_radius.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_INI_SEC_RADIUS_SERVER);
<------>if (attr == &iscsi_boot_attr_ini_name.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_INI_INITIATOR_NAME);
<------>return 0;
}
static struct attribute_group iscsi_boot_initiator_attr_group = {
<------>.attrs = initiator_attrs,
<------>.is_visible = iscsi_boot_ini_attr_is_visible,
};
/* iBFT ACPI Table attributes */
iscsi_boot_rd_attr(acpitbl_signature, signature, ISCSI_BOOT_ACPITBL_SIGNATURE);
iscsi_boot_rd_attr(acpitbl_oem_id, oem_id, ISCSI_BOOT_ACPITBL_OEM_ID);
iscsi_boot_rd_attr(acpitbl_oem_table_id, oem_table_id,
<------><------> ISCSI_BOOT_ACPITBL_OEM_TABLE_ID);
static struct attribute *acpitbl_attrs[] = {
<------>&iscsi_boot_attr_acpitbl_signature.attr,
<------>&iscsi_boot_attr_acpitbl_oem_id.attr,
<------>&iscsi_boot_attr_acpitbl_oem_table_id.attr,
<------>NULL
};
static umode_t iscsi_boot_acpitbl_attr_is_visible(struct kobject *kobj,
<------><------><------><------><------> struct attribute *attr, int i)
{
<------>struct iscsi_boot_kobj *boot_kobj =
<------><------><------>container_of(kobj, struct iscsi_boot_kobj, kobj);
<------>if (attr == &iscsi_boot_attr_acpitbl_signature.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ACPITBL_SIGNATURE);
<------>if (attr == &iscsi_boot_attr_acpitbl_oem_id.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ACPITBL_OEM_ID);
<------>if (attr == &iscsi_boot_attr_acpitbl_oem_table_id.attr)
<------><------>return boot_kobj->is_visible(boot_kobj->data,
<------><------><------><------><------> ISCSI_BOOT_ACPITBL_OEM_TABLE_ID);
<------>return 0;
}
static struct attribute_group iscsi_boot_acpitbl_attr_group = {
<------>.attrs = acpitbl_attrs,
<------>.is_visible = iscsi_boot_acpitbl_attr_is_visible,
};
static struct iscsi_boot_kobj *
iscsi_boot_create_kobj(struct iscsi_boot_kset *boot_kset,
<------><------> struct attribute_group *attr_group,
<------><------> const char *name, 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 *boot_kobj;
<------>boot_kobj = kzalloc(sizeof(*boot_kobj), GFP_KERNEL);
<------>if (!boot_kobj)
<------><------>return NULL;
<------>INIT_LIST_HEAD(&boot_kobj->list);
<------>boot_kobj->kobj.kset = boot_kset->kset;
<------>if (kobject_init_and_add(&boot_kobj->kobj, &iscsi_boot_ktype,
<------><------><------><------> NULL, name, index)) {
<------><------>kobject_put(&boot_kobj->kobj);
<------><------>return NULL;
<------>}
<------>boot_kobj->data = data;
<------>boot_kobj->show = show;
<------>boot_kobj->is_visible = is_visible;
<------>boot_kobj->release = release;
<------>if (sysfs_create_group(&boot_kobj->kobj, attr_group)) {
<------><------>/*
<------><------> * We do not want to free this because the caller
<------><------> * will assume that since the creation call failed
<------><------> * the boot kobj was not setup and the normal release
<------><------> * path is not being run.
<------><------> */
<------><------>boot_kobj->release = NULL;
<------><------>kobject_put(&boot_kobj->kobj);
<------><------>return NULL;
<------>}
<------>boot_kobj->attr_group = attr_group;
<------>kobject_uevent(&boot_kobj->kobj, KOBJ_ADD);
<------>/* Nothing broke so lets add it to the list. */
<------>list_add_tail(&boot_kobj->list, &boot_kset->kobj_list);
<------>return boot_kobj;
}
static void iscsi_boot_remove_kobj(struct iscsi_boot_kobj *boot_kobj)
{
<------>list_del(&boot_kobj->list);
<------>sysfs_remove_group(&boot_kobj->kobj, boot_kobj->attr_group);
<------>kobject_put(&boot_kobj->kobj);
}
/**
* iscsi_boot_create_target() - create boot target sysfs dir
* @boot_kset: boot kset
* @index: the target id
* @data: driver specific data for target
* @show: attr show function
* @is_visible: attr visibility function
* @release: release function
*
* Note: The boot sysfs lib will free the data passed in for the caller
* when all refs to the target kobject have been released.
*/
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))
{
<------>return iscsi_boot_create_kobj(boot_kset, &iscsi_boot_target_attr_group,
<------><------><------><------> "target%d", index, data, show, is_visible,
<------><------><------><------> release);
}
EXPORT_SYMBOL_GPL(iscsi_boot_create_target);
/**
* iscsi_boot_create_initiator() - create boot initiator sysfs dir
* @boot_kset: boot kset
* @index: the initiator id
* @data: driver specific data
* @show: attr show function
* @is_visible: attr visibility function
* @release: release function
*
* Note: The boot sysfs lib will free the data passed in for the caller
* when all refs to the initiator kobject have been released.
*/
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))
{
<------>return iscsi_boot_create_kobj(boot_kset,
<------><------><------><------> &iscsi_boot_initiator_attr_group,
<------><------><------><------> "initiator", index, data, show,
<------><------><------><------> is_visible, release);
}
EXPORT_SYMBOL_GPL(iscsi_boot_create_initiator);
/**
* iscsi_boot_create_ethernet() - create boot ethernet sysfs dir
* @boot_kset: boot kset
* @index: the ethernet device id
* @data: driver specific data
* @show: attr show function
* @is_visible: attr visibility function
* @release: release function
*
* Note: The boot sysfs lib will free the data passed in for the caller
* when all refs to the ethernet kobject have been released.
*/
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))
{
<------>return iscsi_boot_create_kobj(boot_kset,
<------><------><------><------> &iscsi_boot_ethernet_attr_group,
<------><------><------><------> "ethernet%d", index, data, show,
<------><------><------><------> is_visible, release);
}
EXPORT_SYMBOL_GPL(iscsi_boot_create_ethernet);
/**
* iscsi_boot_create_acpitbl() - create boot acpi table sysfs dir
* @boot_kset: boot kset
* @index: not used
* @data: driver specific data
* @show: attr show function
* @is_visible: attr visibility function
* @release: release function
*
* Note: The boot sysfs lib will free the data passed in for the caller
* when all refs to the acpitbl kobject have been released.
*/
struct iscsi_boot_kobj *
iscsi_boot_create_acpitbl(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))
{
<------>return iscsi_boot_create_kobj(boot_kset,
<------><------><------><------> &iscsi_boot_acpitbl_attr_group,
<------><------><------><------> "acpi_header", index, data, show,
<------><------><------><------> is_visible, release);
}
EXPORT_SYMBOL_GPL(iscsi_boot_create_acpitbl);
/**
* iscsi_boot_create_kset() - creates root sysfs tree
* @set_name: name of root dir
*/
struct iscsi_boot_kset *iscsi_boot_create_kset(const char *set_name)
{
<------>struct iscsi_boot_kset *boot_kset;
<------>boot_kset = kzalloc(sizeof(*boot_kset), GFP_KERNEL);
<------>if (!boot_kset)
<------><------>return NULL;
<------>boot_kset->kset = kset_create_and_add(set_name, NULL, firmware_kobj);
<------>if (!boot_kset->kset) {
<------><------>kfree(boot_kset);
<------><------>return NULL;
<------>}
<------>INIT_LIST_HEAD(&boot_kset->kobj_list);
<------>return boot_kset;
}
EXPORT_SYMBOL_GPL(iscsi_boot_create_kset);
/**
* iscsi_boot_create_host_kset() - creates root sysfs tree for a scsi host
* @hostno: host number of scsi host
*/
struct iscsi_boot_kset *iscsi_boot_create_host_kset(unsigned int hostno)
{
<------>struct iscsi_boot_kset *boot_kset;
<------>char *set_name;
<------>set_name = kasprintf(GFP_KERNEL, "iscsi_boot%u", hostno);
<------>if (!set_name)
<------><------>return NULL;
<------>boot_kset = iscsi_boot_create_kset(set_name);
<------>kfree(set_name);
<------>return boot_kset;
}
EXPORT_SYMBOL_GPL(iscsi_boot_create_host_kset);
/**
* iscsi_boot_destroy_kset() - destroy kset and kobjects under it
* @boot_kset: boot kset
*
* This will remove the kset and kobjects and attrs under it.
*/
void iscsi_boot_destroy_kset(struct iscsi_boot_kset *boot_kset)
{
<------>struct iscsi_boot_kobj *boot_kobj, *tmp_kobj;
<------>if (!boot_kset)
<------><------>return;
<------>list_for_each_entry_safe(boot_kobj, tmp_kobj,
<------><------><------><------> &boot_kset->kobj_list, list)
<------><------>iscsi_boot_remove_kobj(boot_kobj);
<------>kset_unregister(boot_kset->kset);
<------>kfree(boot_kset);
}
EXPORT_SYMBOL_GPL(iscsi_boot_destroy_kset);