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| #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"); |
| |
| |
| |
| struct iscsi_boot_attr { |
| <------>struct attribute attr; |
| <------>int type; |
| <------>ssize_t (*show) (void *data, int type, char *buf); |
| }; |
| |
| |
| |
| |
| 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, \ |
| } |
| |
| |
| 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, |
| }; |
| |
| |
| 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, |
| }; |
| |
| |
| 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, |
| }; |
| |
| |
| 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); |
| <------> |
| <------>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); |
| } |
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| 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); |
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| 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); |
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| 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); |
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| 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); |
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| 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); |
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| 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); |
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| 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); |
| |