diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/configfs.h | 97 | ||||
| -rw-r--r-- | include/linux/usb/gadget_configfs.h | 19 | ||||
| -rw-r--r-- | include/target/configfs_macros.h | 147 | ||||
| -rw-r--r-- | include/target/target_core_base.h | 60 | ||||
| -rw-r--r-- | include/target/target_core_fabric_configfs.h | 122 |
5 files changed, 86 insertions, 359 deletions
diff --git a/include/linux/configfs.h b/include/linux/configfs.h index 63a36e89d0eb..a8a335b7fce0 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h @@ -125,86 +125,33 @@ struct configfs_attribute { const char *ca_name; struct module *ca_owner; umode_t ca_mode; + ssize_t (*show)(struct config_item *, char *); + ssize_t (*store)(struct config_item *, const char *, size_t); }; -/* - * Users often need to create attribute structures for their configurable - * attributes, containing a configfs_attribute member and function pointers - * for the show() and store() operations on that attribute. If they don't - * need anything else on the extended attribute structure, they can use - * this macro to define it The argument _item is the name of the - * config_item structure. - */ -#define CONFIGFS_ATTR_STRUCT(_item) \ -struct _item##_attribute { \ - struct configfs_attribute attr; \ - ssize_t (*show)(struct _item *, char *); \ - ssize_t (*store)(struct _item *, const char *, size_t); \ +#define CONFIGFS_ATTR(_pfx, _name) \ +static struct configfs_attribute _pfx##attr_##_name = { \ + .ca_name = __stringify(_name), \ + .ca_mode = S_IRUGO | S_IWUSR, \ + .ca_owner = THIS_MODULE, \ + .show = _pfx##_name##_show, \ + .store = _pfx##_name##_store, \ } -/* - * With the extended attribute structure, users can use this macro - * (similar to sysfs' __ATTR) to make defining attributes easier. - * An example: - * #define MYITEM_ATTR(_name, _mode, _show, _store) \ - * struct myitem_attribute childless_attr_##_name = \ - * __CONFIGFS_ATTR(_name, _mode, _show, _store) - */ -#define __CONFIGFS_ATTR(_name, _mode, _show, _store) \ -{ \ - .attr = { \ - .ca_name = __stringify(_name), \ - .ca_mode = _mode, \ - .ca_owner = THIS_MODULE, \ - }, \ - .show = _show, \ - .store = _store, \ -} -/* Here is a readonly version, only requiring a show() operation */ -#define __CONFIGFS_ATTR_RO(_name, _show) \ -{ \ - .attr = { \ - .ca_name = __stringify(_name), \ - .ca_mode = 0444, \ - .ca_owner = THIS_MODULE, \ - }, \ - .show = _show, \ +#define CONFIGFS_ATTR_RO(_pfx, _name) \ +static struct configfs_attribute _pfx##attr_##_name = { \ + .ca_name = __stringify(_name), \ + .ca_mode = S_IRUGO, \ + .ca_owner = THIS_MODULE, \ + .show = _pfx##_name##_show, \ } -/* - * With these extended attributes, the simple show_attribute() and - * store_attribute() operations need to call the show() and store() of the - * attributes. This is a common pattern, so we provide a macro to define - * them. The argument _item is the name of the config_item structure. - * This macro expects the attributes to be named "struct <name>_attribute" - * and the function to_<name>() to exist; - */ -#define CONFIGFS_ATTR_OPS(_item) \ -static ssize_t _item##_attr_show(struct config_item *item, \ - struct configfs_attribute *attr, \ - char *page) \ -{ \ - struct _item *_item = to_##_item(item); \ - struct _item##_attribute *_item##_attr = \ - container_of(attr, struct _item##_attribute, attr); \ - ssize_t ret = 0; \ - \ - if (_item##_attr->show) \ - ret = _item##_attr->show(_item, page); \ - return ret; \ -} \ -static ssize_t _item##_attr_store(struct config_item *item, \ - struct configfs_attribute *attr, \ - const char *page, size_t count) \ -{ \ - struct _item *_item = to_##_item(item); \ - struct _item##_attribute *_item##_attr = \ - container_of(attr, struct _item##_attribute, attr); \ - ssize_t ret = -EINVAL; \ - \ - if (_item##_attr->store) \ - ret = _item##_attr->store(_item, page, count); \ - return ret; \ +#define CONFIGFS_ATTR_WO(_pfx, _name) \ +static struct configfs_attribute _pfx##attr_##_name = { \ + .ca_name = __stringify(_name), \ + .ca_mode = S_IWUSR, \ + .ca_owner = THIS_MODULE, \ + .store = _pfx##_name##_store, \ } /* @@ -223,8 +170,6 @@ static ssize_t _item##_attr_store(struct config_item *item, \ */ struct configfs_item_operations { void (*release)(struct config_item *); - ssize_t (*show_attribute)(struct config_item *, struct configfs_attribute *,char *); - ssize_t (*store_attribute)(struct config_item *,struct configfs_attribute *,const char *, size_t); int (*allow_link)(struct config_item *src, struct config_item *target); int (*drop_link)(struct config_item *src, struct config_item *target); }; diff --git a/include/linux/usb/gadget_configfs.h b/include/linux/usb/gadget_configfs.h index d74c0ae989d5..c36e95730de1 100644 --- a/include/linux/usb/gadget_configfs.h +++ b/include/linux/usb/gadget_configfs.h @@ -7,9 +7,10 @@ int check_user_usb_string(const char *name, struct usb_gadget_strings *stringtab_dev); #define GS_STRINGS_W(__struct, __name) \ - static ssize_t __struct##_##__name##_store(struct __struct *gs, \ +static ssize_t __struct##_##__name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ + struct __struct *gs = to_##__struct(item); \ int ret; \ \ ret = usb_string_copy(page, &gs->__name); \ @@ -19,30 +20,20 @@ int check_user_usb_string(const char *name, } #define GS_STRINGS_R(__struct, __name) \ - static ssize_t __struct##_##__name##_show(struct __struct *gs, \ - char *page) \ +static ssize_t __struct##_##__name##_show(struct config_item *item, char *page) \ { \ + struct __struct *gs = to_##__struct(item); \ return sprintf(page, "%s\n", gs->__name ?: ""); \ } -#define GS_STRING_ITEM_ATTR(struct_name, name) \ - static struct struct_name##_attribute struct_name##_##name = \ - __CONFIGFS_ATTR(name, S_IRUGO | S_IWUSR, \ - struct_name##_##name##_show, \ - struct_name##_##name##_store) - #define GS_STRINGS_RW(struct_name, _name) \ GS_STRINGS_R(struct_name, _name) \ GS_STRINGS_W(struct_name, _name) \ - GS_STRING_ITEM_ATTR(struct_name, _name) + CONFIGFS_ATTR(struct_name##_, _name) #define USB_CONFIG_STRING_RW_OPS(struct_in) \ - CONFIGFS_ATTR_OPS(struct_in); \ - \ static struct configfs_item_operations struct_in##_langid_item_ops = { \ .release = struct_in##_attr_release, \ - .show_attribute = struct_in##_attr_show, \ - .store_attribute = struct_in##_attr_store, \ }; \ \ static struct config_item_type struct_in##_langid_type = { \ diff --git a/include/target/configfs_macros.h b/include/target/configfs_macros.h deleted file mode 100644 index a0fc85bbe2da..000000000000 --- a/include/target/configfs_macros.h +++ /dev/null @@ -1,147 +0,0 @@ -/* -*- mode: c; c-basic-offset: 8; -*- - * vim: noexpandtab sw=8 ts=8 sts=0: - * - * configfs_macros.h - extends macros for configfs - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 021110-1307, USA. - * - * Based on sysfs: - * sysfs is Copyright (C) 2001, 2002, 2003 Patrick Mochel - * - * Based on kobject.h: - * Copyright (c) 2002-2003 Patrick Mochel - * Copyright (c) 2002-2003 Open Source Development Labs - * - * configfs Copyright (C) 2005 Oracle. All rights reserved. - * - * Added CONFIGFS_EATTR() macros from original configfs.h macros - * Copright (C) 2008-2009 Nicholas A. Bellinger <nab@linux-iscsi.org> - * - * Please read Documentation/filesystems/configfs/configfs.txt before using - * the configfs interface, ESPECIALLY the parts about reference counts and - * item destructors. - */ - -#ifndef _CONFIGFS_MACROS_H_ -#define _CONFIGFS_MACROS_H_ - -#include <linux/configfs.h> - -/* - * Users often need to create attribute structures for their configurable - * attributes, containing a configfs_attribute member and function pointers - * for the show() and store() operations on that attribute. If they don't - * need anything else on the extended attribute structure, they can use - * this macro to define it. The argument _name isends up as - * 'struct _name_attribute, as well as names of to CONFIGFS_ATTR_OPS() below. - * The argument _item is the name of the structure containing the - * struct config_item or struct config_group structure members - */ -#define CONFIGFS_EATTR_STRUCT(_name, _item) \ -struct _name##_attribute { \ - struct configfs_attribute attr; \ - ssize_t (*show)(struct _item *, char *); \ - ssize_t (*store)(struct _item *, const char *, size_t); \ -} - -/* - * With the extended attribute structure, users can use this macro - * (similar to sysfs' __ATTR) to make defining attributes easier. - * An example: - * #define MYITEM_EATTR(_name, _mode, _show, _store) \ - * struct myitem_attribute childless_attr_##_name = \ - * __CONFIGFS_EATTR(_name, _mode, _show, _store) - */ -#define __CONFIGFS_EATTR(_name, _mode, _show, _store) \ -{ \ - .attr = { \ - .ca_name = __stringify(_name), \ - .ca_mode = _mode, \ - .ca_owner = THIS_MODULE, \ - }, \ - .show = _show, \ - .store = _store, \ -} -/* Here is a readonly version, only requiring a show() operation */ -#define __CONFIGFS_EATTR_RO(_name, _show) \ -{ \ - .attr = { \ - .ca_name = __stringify(_name), \ - .ca_mode = 0444, \ - .ca_owner = THIS_MODULE, \ - }, \ - .show = _show, \ -} - -/* - * With these extended attributes, the simple show_attribute() and - * store_attribute() operations need to call the show() and store() of the - * attributes. This is a common pattern, so we provide a macro to define - * them. The argument _name is the name of the attribute defined by - * CONFIGFS_ATTR_STRUCT(). The argument _item is the name of the structure - * containing the struct config_item or struct config_group structure member. - * The argument _item_member is the actual name of the struct config_* struct - * in your _item structure. Meaning my_structure->some_config_group. - * ^^_item^^^^^ ^^_item_member^^^ - * This macro expects the attributes to be named "struct <name>_attribute". - */ -#define CONFIGFS_EATTR_OPS_TO_FUNC(_name, _item, _item_member) \ -static struct _item *to_##_name(struct config_item *ci) \ -{ \ - return (ci) ? container_of(to_config_group(ci), struct _item, \ - _item_member) : NULL; \ -} - -#define CONFIGFS_EATTR_OPS_SHOW(_name, _item) \ -static ssize_t _name##_attr_show(struct config_item *item, \ - struct configfs_attribute *attr, \ - char *page) \ -{ \ - struct _item *_item = to_##_name(item); \ - struct _name##_attribute * _name##_attr = \ - container_of(attr, struct _name##_attribute, attr); \ - ssize_t ret = 0; \ - \ - if (_name##_attr->show) \ - ret = _name##_attr->show(_item, page); \ - return ret; \ -} - -#define CONFIGFS_EATTR_OPS_STORE(_name, _item) \ -static ssize_t _name##_attr_store(struct config_item *item, \ - struct configfs_attribute *attr, \ - const char *page, size_t count) \ -{ \ - struct _item *_item = to_##_name(item); \ - struct _name##_attribute * _name##_attr = \ - container_of(attr, struct _name##_attribute, attr); \ - ssize_t ret = -EINVAL; \ - \ - if (_name##_attr->store) \ - ret = _name##_attr->store(_item, page, count); \ - return ret; \ -} - -#define CONFIGFS_EATTR_OPS(_name, _item, _item_member) \ - CONFIGFS_EATTR_OPS_TO_FUNC(_name, _item, _item_member); \ - CONFIGFS_EATTR_OPS_SHOW(_name, _item); \ - CONFIGFS_EATTR_OPS_STORE(_name, _item); - -#define CONFIGFS_EATTR_OPS_RO(_name, _item, _item_member) \ - CONFIGFS_EATTR_OPS_TO_FUNC(_name, _item, _item_member); \ - CONFIGFS_EATTR_OPS_SHOW(_name, _item); - -#endif /* _CONFIGFS_MACROS_H_ */ diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 5f48754dc36a..0a2c74008e53 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -563,6 +563,36 @@ struct se_node_acl { struct kref acl_kref; }; +static inline struct se_node_acl *acl_to_nacl(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_node_acl, + acl_group); +} + +static inline struct se_node_acl *attrib_to_nacl(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_node_acl, + acl_attrib_group); +} + +static inline struct se_node_acl *auth_to_nacl(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_node_acl, + acl_auth_group); +} + +static inline struct se_node_acl *param_to_nacl(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_node_acl, + acl_param_group); +} + +static inline struct se_node_acl *fabric_stat_to_nacl(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_node_acl, + acl_fabric_stat_group); +} + struct se_session { unsigned sess_tearing_down:1; u64 sess_bin_isid; @@ -821,6 +851,12 @@ struct se_tpg_np { struct config_group tpg_np_group; }; +static inline struct se_tpg_np *to_tpg_np(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_tpg_np, + tpg_np_group); +} + struct se_portal_group { /* * PROTOCOL IDENTIFIER value per SPC4, 7.5.1. @@ -857,6 +893,30 @@ struct se_portal_group { struct config_group tpg_param_group; }; +static inline struct se_portal_group *to_tpg(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_portal_group, + tpg_group); +} + +static inline struct se_portal_group *attrib_to_tpg(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_portal_group, + tpg_attrib_group); +} + +static inline struct se_portal_group *auth_to_tpg(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_portal_group, + tpg_auth_group); +} + +static inline struct se_portal_group *param_to_tpg(struct config_item *item) +{ + return container_of(to_config_group(item), struct se_portal_group, + tpg_param_group); +} + struct se_wwn { struct target_fabric_configfs *wwn_tf; struct config_group wwn_group; diff --git a/include/target/target_core_fabric_configfs.h b/include/target/target_core_fabric_configfs.h deleted file mode 100644 index 7a0649c09e79..000000000000 --- a/include/target/target_core_fabric_configfs.h +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Used for tfc_wwn_cit attributes - */ - -#include <target/configfs_macros.h> - -CONFIGFS_EATTR_STRUCT(target_fabric_nacl_attrib, se_node_acl); -#define TF_NACL_ATTRIB_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_nacl_attrib_attribute _fabric##_nacl_attrib_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_nacl_attrib_show_##_name, \ - _fabric##_nacl_attrib_store_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_nacl_auth, se_node_acl); -#define TF_NACL_AUTH_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_nacl_auth_attribute _fabric##_nacl_auth_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_nacl_auth_show_##_name, \ - _fabric##_nacl_auth_store_##_name); - -#define TF_NACL_AUTH_ATTR_RO(_fabric, _name) \ -static struct target_fabric_nacl_auth_attribute _fabric##_nacl_auth_##_name = \ - __CONFIGFS_EATTR_RO(_name, \ - _fabric##_nacl_auth_show_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_nacl_param, se_node_acl); -#define TF_NACL_PARAM_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_nacl_param_attribute _fabric##_nacl_param_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_nacl_param_show_##_name, \ - _fabric##_nacl_param_store_##_name); - -#define TF_NACL_PARAM_ATTR_RO(_fabric, _name) \ -static struct target_fabric_nacl_param_attribute _fabric##_nacl_param_##_name = \ - __CONFIGFS_EATTR_RO(_name, \ - _fabric##_nacl_param_show_##_name); - - -CONFIGFS_EATTR_STRUCT(target_fabric_nacl_base, se_node_acl); -#define TF_NACL_BASE_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_nacl_base_attribute _fabric##_nacl_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_nacl_show_##_name, \ - _fabric##_nacl_store_##_name); - -#define TF_NACL_BASE_ATTR_RO(_fabric, _name) \ -static struct target_fabric_nacl_base_attribute _fabric##_nacl_##_name = \ - __CONFIGFS_EATTR_RO(_name, \ - _fabric##_nacl_show_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_np_base, se_tpg_np); -#define TF_NP_BASE_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_np_base_attribute _fabric##_np_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_np_show_##_name, \ - _fabric##_np_store_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_tpg_attrib, se_portal_group); -#define TF_TPG_ATTRIB_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_tpg_attrib_attribute _fabric##_tpg_attrib_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_tpg_attrib_show_##_name, \ - _fabric##_tpg_attrib_store_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_tpg_auth, se_portal_group); -#define TF_TPG_AUTH_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_tpg_auth_attribute _fabric##_tpg_auth_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_tpg_auth_show_##_name, \ - _fabric##_tpg_auth_store_##_name); - -#define TF_TPG_AUTH_ATTR_RO(_fabric, _name) \ -static struct target_fabric_tpg_auth_attribute _fabric##_tpg_auth_##_name = \ - __CONFIGFS_EATTR_RO(_name, \ - _fabric##_tpg_auth_show_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_tpg_param, se_portal_group); -#define TF_TPG_PARAM_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_tpg_param_attribute _fabric##_tpg_param_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_tpg_param_show_##_name, \ - _fabric##_tpg_param_store_##_name); - - -CONFIGFS_EATTR_STRUCT(target_fabric_tpg, se_portal_group); -#define TF_TPG_BASE_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_tpg_attribute _fabric##_tpg_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_tpg_show_##_name, \ - _fabric##_tpg_store_##_name); - - -#define TF_TPG_BASE_ATTR_RO(_fabric, _name) \ -static struct target_fabric_tpg_attribute _fabric##_tpg_##_name = \ - __CONFIGFS_EATTR_RO(_name, \ - _fabric##_tpg_show_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_wwn, target_fabric_configfs); -#define TF_WWN_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_wwn_attribute _fabric##_wwn_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_wwn_show_attr_##_name, \ - _fabric##_wwn_store_attr_##_name); - -#define TF_WWN_ATTR_RO(_fabric, _name) \ -static struct target_fabric_wwn_attribute _fabric##_wwn_##_name = \ - __CONFIGFS_EATTR_RO(_name, \ - _fabric##_wwn_show_attr_##_name); - -CONFIGFS_EATTR_STRUCT(target_fabric_discovery, target_fabric_configfs); -#define TF_DISC_ATTR(_fabric, _name, _mode) \ -static struct target_fabric_discovery_attribute _fabric##_disc_##_name = \ - __CONFIGFS_EATTR(_name, _mode, \ - _fabric##_disc_show_##_name, \ - _fabric##_disc_store_##_name); - -#define TF_DISC_ATTR_RO(_fabric, _name) \ -static struct target_fabric_discovery_attribute _fabric##_disc_##_name = \ - __CONFIGFS_EATTR_RO(_name, \ - _fabric##_disc_show_##_name); - -extern int target_fabric_setup_cits(struct target_fabric_configfs *); |