*
* This file contains ConfigFS logic for the Generic Target Engine project.
*
- * (c) Copyright 2008-2012 RisingTide Systems LLC.
+ * (c) Copyright 2008-2013 Datera, Inc.
*
* Nicholas A. Bellinger <nab@kernel.org>
*
#include <target/target_core_base.h>
#include <target/target_core_backend.h>
#include <target/target_core_fabric.h>
-#include <target/target_core_fabric_configfs.h>
-#include <target/target_core_configfs.h>
-#include <target/configfs_macros.h>
#include "target_core_internal.h"
#include "target_core_alua.h"
#include "target_core_pr.h"
#include "target_core_rd.h"
+#include "target_core_xcopy.h"
+
+#define TB_CIT_SETUP(_name, _item_ops, _group_ops, _attrs) \
+static void target_core_setup_##_name##_cit(struct target_backend *tb) \
+{ \
+ struct config_item_type *cit = &tb->tb_##_name##_cit; \
+ \
+ cit->ct_item_ops = _item_ops; \
+ cit->ct_group_ops = _group_ops; \
+ cit->ct_attrs = _attrs; \
+ cit->ct_owner = tb->ops->owner; \
+ pr_debug("Setup generic %s\n", __stringify(_name)); \
+}
+
+#define TB_CIT_SETUP_DRV(_name, _item_ops, _group_ops) \
+static void target_core_setup_##_name##_cit(struct target_backend *tb) \
+{ \
+ struct config_item_type *cit = &tb->tb_##_name##_cit; \
+ \
+ cit->ct_item_ops = _item_ops; \
+ cit->ct_group_ops = _group_ops; \
+ cit->ct_attrs = tb->ops->tb_##_name##_attrs; \
+ cit->ct_owner = tb->ops->owner; \
+ pr_debug("Setup generic %s\n", __stringify(_name)); \
+}
extern struct t10_alua_lu_gp *default_lu_gp;
static LIST_HEAD(g_tf_list);
static DEFINE_MUTEX(g_tf_lock);
-struct target_core_configfs_attribute {
- struct configfs_attribute attr;
- ssize_t (*show)(void *, char *);
- ssize_t (*store)(void *, const char *, size_t);
-};
-
static struct config_group target_core_hbagroup;
static struct config_group alua_group;
static struct config_group alua_lu_gps_group;
/*
* Attributes for /sys/kernel/config/target/
*/
-static ssize_t target_core_attr_show(struct config_item *item,
- struct configfs_attribute *attr,
- char *page)
+static ssize_t target_core_item_version_show(struct config_item *item,
+ char *page)
{
return sprintf(page, "Target Engine Core ConfigFS Infrastructure %s"
- " on %s/%s on "UTS_RELEASE"\n", TARGET_CORE_CONFIGFS_VERSION,
+ " on %s/%s on "UTS_RELEASE"\n", TARGET_CORE_VERSION,
utsname()->sysname, utsname()->machine);
}
-static struct configfs_item_operations target_core_fabric_item_ops = {
- .show_attribute = target_core_attr_show,
-};
-
-static struct configfs_attribute target_core_item_attr_version = {
- .ca_owner = THIS_MODULE,
- .ca_name = "version",
- .ca_mode = S_IRUGO,
-};
+CONFIGFS_ATTR_RO(target_core_item_, version);
static struct target_fabric_configfs *target_core_get_fabric(
const char *name)
mutex_lock(&g_tf_lock);
list_for_each_entry(tf, &g_tf_list, tf_list) {
- if (!strcmp(tf->tf_name, name)) {
+ if (!strcmp(tf->tf_ops->name, name)) {
atomic_inc(&tf->tf_access_cnt);
mutex_unlock(&g_tf_lock);
return tf;
pr_debug("Target_Core_ConfigFS: REGISTER -> group: %p name:"
" %s\n", group, name);
- /*
- * Below are some hardcoded request_module() calls to automatically
- * local fabric modules when the following is called:
- *
- * mkdir -p /sys/kernel/config/target/$MODULE_NAME
- *
- * Note that this does not limit which TCM fabric module can be
- * registered, but simply provids auto loading logic for modules with
- * mkdir(2) system calls with known TCM fabric modules.
- */
- if (!strncmp(name, "iscsi", 5)) {
+
+ tf = target_core_get_fabric(name);
+ if (!tf) {
+ pr_debug("target_core_register_fabric() trying autoload for %s\n",
+ name);
+
/*
- * Automatically load the LIO Target fabric module when the
- * following is called:
+ * Below are some hardcoded request_module() calls to automatically
+ * local fabric modules when the following is called:
*
- * mkdir -p $CONFIGFS/target/iscsi
- */
- ret = request_module("iscsi_target_mod");
- if (ret < 0) {
- pr_err("request_module() failed for"
- " iscsi_target_mod.ko: %d\n", ret);
- return ERR_PTR(-EINVAL);
- }
- } else if (!strncmp(name, "loopback", 8)) {
- /*
- * Automatically load the tcm_loop fabric module when the
- * following is called:
+ * mkdir -p /sys/kernel/config/target/$MODULE_NAME
*
- * mkdir -p $CONFIGFS/target/loopback
+ * Note that this does not limit which TCM fabric module can be
+ * registered, but simply provids auto loading logic for modules with
+ * mkdir(2) system calls with known TCM fabric modules.
*/
- ret = request_module("tcm_loop");
- if (ret < 0) {
- pr_err("request_module() failed for"
- " tcm_loop.ko: %d\n", ret);
- return ERR_PTR(-EINVAL);
+
+ if (!strncmp(name, "iscsi", 5)) {
+ /*
+ * Automatically load the LIO Target fabric module when the
+ * following is called:
+ *
+ * mkdir -p $CONFIGFS/target/iscsi
+ */
+ ret = request_module("iscsi_target_mod");
+ if (ret < 0) {
+ pr_debug("request_module() failed for"
+ " iscsi_target_mod.ko: %d\n", ret);
+ return ERR_PTR(-EINVAL);
+ }
+ } else if (!strncmp(name, "loopback", 8)) {
+ /*
+ * Automatically load the tcm_loop fabric module when the
+ * following is called:
+ *
+ * mkdir -p $CONFIGFS/target/loopback
+ */
+ ret = request_module("tcm_loop");
+ if (ret < 0) {
+ pr_debug("request_module() failed for"
+ " tcm_loop.ko: %d\n", ret);
+ return ERR_PTR(-EINVAL);
+ }
}
+
+ tf = target_core_get_fabric(name);
}
- tf = target_core_get_fabric(name);
if (!tf) {
- pr_err("target_core_get_fabric() failed for %s\n",
- name);
+ pr_debug("target_core_get_fabric() failed for %s\n",
+ name);
return ERR_PTR(-EINVAL);
}
pr_debug("Target_Core_ConfigFS: REGISTER -> Located fabric:"
- " %s\n", tf->tf_name);
+ " %s\n", tf->tf_ops->name);
/*
* On a successful target_core_get_fabric() look, the returned
* struct target_fabric_configfs *tf will contain a usage reference.
*/
pr_debug("Target_Core_ConfigFS: REGISTER tfc_wwn_cit -> %p\n",
- &TF_CIT_TMPL(tf)->tfc_wwn_cit);
+ &tf->tf_wwn_cit);
tf->tf_group.default_groups = tf->tf_default_groups;
tf->tf_group.default_groups[0] = &tf->tf_disc_group;
tf->tf_group.default_groups[1] = NULL;
- config_group_init_type_name(&tf->tf_group, name,
- &TF_CIT_TMPL(tf)->tfc_wwn_cit);
+ config_group_init_type_name(&tf->tf_group, name, &tf->tf_wwn_cit);
config_group_init_type_name(&tf->tf_disc_group, "discovery_auth",
- &TF_CIT_TMPL(tf)->tfc_discovery_cit);
+ &tf->tf_discovery_cit);
pr_debug("Target_Core_ConfigFS: REGISTER -> Allocated Fabric:"
" %s\n", tf->tf_group.cg_item.ci_name);
- /*
- * Setup tf_ops.tf_subsys pointer for usage with configfs_depend_item()
- */
- tf->tf_ops.tf_subsys = tf->tf_subsys;
- tf->tf_fabric = &tf->tf_group.cg_item;
- pr_debug("Target_Core_ConfigFS: REGISTER -> Set tf->tf_fabric"
- " for %s\n", name);
-
return &tf->tf_group;
}
" tf list\n", config_item_name(item));
pr_debug("Target_Core_ConfigFS: DEREGISTER -> located fabric:"
- " %s\n", tf->tf_name);
+ " %s\n", tf->tf_ops->name);
atomic_dec(&tf->tf_access_cnt);
- pr_debug("Target_Core_ConfigFS: DEREGISTER -> Releasing"
- " tf->tf_fabric for %s\n", tf->tf_name);
- tf->tf_fabric = NULL;
-
pr_debug("Target_Core_ConfigFS: DEREGISTER -> Releasing ci"
" %s\n", config_item_name(item));
* Provides Fabrics Groups and Item Attributes for /sys/kernel/config/target/
*/
static struct config_item_type target_core_fabrics_item = {
- .ct_item_ops = &target_core_fabric_item_ops,
.ct_group_ops = &target_core_fabric_group_ops,
.ct_attrs = target_core_fabric_item_attrs,
.ct_owner = THIS_MODULE,
},
};
-static struct configfs_subsystem *target_core_subsystem[] = {
- &target_core_fabrics,
- NULL,
-};
+int target_depend_item(struct config_item *item)
+{
+ return configfs_depend_item(&target_core_fabrics, item);
+}
+EXPORT_SYMBOL(target_depend_item);
+
+void target_undepend_item(struct config_item *item)
+{
+ return configfs_undepend_item(&target_core_fabrics, item);
+}
+EXPORT_SYMBOL(target_undepend_item);
/*##############################################################################
// Start functions called by external Target Fabrics Modules
//############################################################################*/
-/*
- * First function called by fabric modules to:
- *
- * 1) Allocate a struct target_fabric_configfs and save the *fabric_cit pointer.
- * 2) Add struct target_fabric_configfs to g_tf_list
- * 3) Return struct target_fabric_configfs to fabric module to be passed
- * into target_fabric_configfs_register().
- */
-struct target_fabric_configfs *target_fabric_configfs_init(
- struct module *fabric_mod,
- const char *name)
+static int target_fabric_tf_ops_check(const struct target_core_fabric_ops *tfo)
{
- struct target_fabric_configfs *tf;
-
- if (!(name)) {
- pr_err("Unable to locate passed fabric name\n");
- return ERR_PTR(-EINVAL);
+ if (!tfo->name) {
+ pr_err("Missing tfo->name\n");
+ return -EINVAL;
}
- if (strlen(name) >= TARGET_FABRIC_NAME_SIZE) {
+ if (strlen(tfo->name) >= TARGET_FABRIC_NAME_SIZE) {
pr_err("Passed name: %s exceeds TARGET_FABRIC"
- "_NAME_SIZE\n", name);
- return ERR_PTR(-EINVAL);
+ "_NAME_SIZE\n", tfo->name);
+ return -EINVAL;
}
-
- tf = kzalloc(sizeof(struct target_fabric_configfs), GFP_KERNEL);
- if (!tf)
- return ERR_PTR(-ENOMEM);
-
- INIT_LIST_HEAD(&tf->tf_list);
- atomic_set(&tf->tf_access_cnt, 0);
- /*
- * Setup the default generic struct config_item_type's (cits) in
- * struct target_fabric_configfs->tf_cit_tmpl
- */
- tf->tf_module = fabric_mod;
- target_fabric_setup_cits(tf);
-
- tf->tf_subsys = target_core_subsystem[0];
- snprintf(tf->tf_name, TARGET_FABRIC_NAME_SIZE, "%s", name);
-
- mutex_lock(&g_tf_lock);
- list_add_tail(&tf->tf_list, &g_tf_list);
- mutex_unlock(&g_tf_lock);
-
- pr_debug("<<<<<<<<<<<<<<<<<<<<<< BEGIN FABRIC API >>>>>>>>"
- ">>>>>>>>>>>>>>\n");
- pr_debug("Initialized struct target_fabric_configfs: %p for"
- " %s\n", tf, tf->tf_name);
- return tf;
-}
-EXPORT_SYMBOL(target_fabric_configfs_init);
-
-/*
- * Called by fabric plugins after FAILED target_fabric_configfs_register() call.
- */
-void target_fabric_configfs_free(
- struct target_fabric_configfs *tf)
-{
- mutex_lock(&g_tf_lock);
- list_del(&tf->tf_list);
- mutex_unlock(&g_tf_lock);
-
- kfree(tf);
-}
-EXPORT_SYMBOL(target_fabric_configfs_free);
-
-/*
- * Perform a sanity check of the passed tf->tf_ops before completing
- * TCM fabric module registration.
- */
-static int target_fabric_tf_ops_check(
- struct target_fabric_configfs *tf)
-{
- struct target_core_fabric_ops *tfo = &tf->tf_ops;
-
if (!tfo->get_fabric_name) {
pr_err("Missing tfo->get_fabric_name()\n");
return -EINVAL;
}
- if (!tfo->get_fabric_proto_ident) {
- pr_err("Missing tfo->get_fabric_proto_ident()\n");
- return -EINVAL;
- }
if (!tfo->tpg_get_wwn) {
pr_err("Missing tfo->tpg_get_wwn()\n");
return -EINVAL;
pr_err("Missing tfo->tpg_get_tag()\n");
return -EINVAL;
}
- if (!tfo->tpg_get_default_depth) {
- pr_err("Missing tfo->tpg_get_default_depth()\n");
- return -EINVAL;
- }
- if (!tfo->tpg_get_pr_transport_id) {
- pr_err("Missing tfo->tpg_get_pr_transport_id()\n");
- return -EINVAL;
- }
- if (!tfo->tpg_get_pr_transport_id_len) {
- pr_err("Missing tfo->tpg_get_pr_transport_id_len()\n");
- return -EINVAL;
- }
if (!tfo->tpg_check_demo_mode) {
pr_err("Missing tfo->tpg_check_demo_mode()\n");
return -EINVAL;
pr_err("Missing tfo->tpg_check_prod_mode_write_protect()\n");
return -EINVAL;
}
- if (!tfo->tpg_alloc_fabric_acl) {
- pr_err("Missing tfo->tpg_alloc_fabric_acl()\n");
- return -EINVAL;
- }
- if (!tfo->tpg_release_fabric_acl) {
- pr_err("Missing tfo->tpg_release_fabric_acl()\n");
- return -EINVAL;
- }
if (!tfo->tpg_get_inst_index) {
pr_err("Missing tfo->tpg_get_inst_index()\n");
return -EINVAL;
pr_err("Missing tfo->set_default_node_attributes()\n");
return -EINVAL;
}
- if (!tfo->get_task_tag) {
- pr_err("Missing tfo->get_task_tag()\n");
- return -EINVAL;
- }
if (!tfo->get_cmd_state) {
pr_err("Missing tfo->get_cmd_state()\n");
return -EINVAL;
pr_err("Missing tfo->queue_tm_rsp()\n");
return -EINVAL;
}
+ if (!tfo->aborted_task) {
+ pr_err("Missing tfo->aborted_task()\n");
+ return -EINVAL;
+ }
/*
* We at least require tfo->fabric_make_wwn(), tfo->fabric_drop_wwn()
* tfo->fabric_make_tpg() and tfo->fabric_drop_tpg() in
return 0;
}
-/*
- * Called 2nd from fabric module with returned parameter of
- * struct target_fabric_configfs * from target_fabric_configfs_init().
- *
- * Upon a successful registration, the new fabric's struct config_item is
- * return. Also, a pointer to this struct is set in the passed
- * struct target_fabric_configfs.
- */
-int target_fabric_configfs_register(
- struct target_fabric_configfs *tf)
+int target_register_template(const struct target_core_fabric_ops *fo)
{
+ struct target_fabric_configfs *tf;
int ret;
+ ret = target_fabric_tf_ops_check(fo);
+ if (ret)
+ return ret;
+
+ tf = kzalloc(sizeof(struct target_fabric_configfs), GFP_KERNEL);
if (!tf) {
- pr_err("Unable to locate target_fabric_configfs"
- " pointer\n");
- return -EINVAL;
- }
- if (!tf->tf_subsys) {
- pr_err("Unable to target struct config_subsystem"
- " pointer\n");
- return -EINVAL;
+ pr_err("%s: could not allocate memory!\n", __func__);
+ return -ENOMEM;
}
- ret = target_fabric_tf_ops_check(tf);
- if (ret < 0)
- return ret;
- pr_debug("<<<<<<<<<<<<<<<<<<<<<< END FABRIC API >>>>>>>>>>>>"
- ">>>>>>>>>>\n");
+ INIT_LIST_HEAD(&tf->tf_list);
+ atomic_set(&tf->tf_access_cnt, 0);
+ tf->tf_ops = fo;
+ target_fabric_setup_cits(tf);
+
+ mutex_lock(&g_tf_lock);
+ list_add_tail(&tf->tf_list, &g_tf_list);
+ mutex_unlock(&g_tf_lock);
+
return 0;
}
-EXPORT_SYMBOL(target_fabric_configfs_register);
+EXPORT_SYMBOL(target_register_template);
-void target_fabric_configfs_deregister(
- struct target_fabric_configfs *tf)
+void target_unregister_template(const struct target_core_fabric_ops *fo)
{
- struct configfs_subsystem *su;
+ struct target_fabric_configfs *t;
- if (!tf) {
- pr_err("Unable to locate passed target_fabric_"
- "configfs\n");
- return;
- }
- su = tf->tf_subsys;
- if (!su) {
- pr_err("Unable to locate passed tf->tf_subsys"
- " pointer\n");
- return;
- }
- pr_debug("<<<<<<<<<<<<<<<<<<<<<< BEGIN FABRIC API >>>>>>>>>>"
- ">>>>>>>>>>>>\n");
mutex_lock(&g_tf_lock);
- if (atomic_read(&tf->tf_access_cnt)) {
- mutex_unlock(&g_tf_lock);
- pr_err("Non zero tf->tf_access_cnt for fabric %s\n",
- tf->tf_name);
- BUG();
+ list_for_each_entry(t, &g_tf_list, tf_list) {
+ if (!strcmp(t->tf_ops->name, fo->name)) {
+ BUG_ON(atomic_read(&t->tf_access_cnt));
+ list_del(&t->tf_list);
+ mutex_unlock(&g_tf_lock);
+ /*
+ * Wait for any outstanding fabric se_deve_entry->rcu_head
+ * callbacks to complete post kfree_rcu(), before allowing
+ * fabric driver unload of TFO->module to proceed.
+ */
+ rcu_barrier();
+ kfree(t);
+ return;
+ }
}
- list_del(&tf->tf_list);
mutex_unlock(&g_tf_lock);
-
- pr_debug("Target_Core_ConfigFS: DEREGISTER -> Releasing tf:"
- " %s\n", tf->tf_name);
- tf->tf_module = NULL;
- tf->tf_subsys = NULL;
- kfree(tf);
-
- pr_debug("<<<<<<<<<<<<<<<<<<<<<< END FABRIC API >>>>>>>>>>>>>>>>>"
- ">>>>>\n");
}
-EXPORT_SYMBOL(target_fabric_configfs_deregister);
+EXPORT_SYMBOL(target_unregister_template);
/*##############################################################################
// Stop functions called by external Target Fabrics Modules
//############################################################################*/
-/* Start functions for struct config_item_type target_core_dev_attrib_cit */
-
-#define DEF_DEV_ATTRIB_SHOW(_name) \
-static ssize_t target_core_dev_show_attr_##_name( \
- struct se_dev_attrib *da, \
- char *page) \
-{ \
- return snprintf(page, PAGE_SIZE, "%u\n", \
- (u32)da->da_dev->dev_attrib._name); \
+static inline struct se_dev_attrib *to_attrib(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct se_dev_attrib,
+ da_group);
}
-#define DEF_DEV_ATTRIB_STORE(_name) \
-static ssize_t target_core_dev_store_attr_##_name( \
- struct se_dev_attrib *da, \
- const char *page, \
- size_t count) \
+/* Start functions for struct config_item_type tb_dev_attrib_cit */
+#define DEF_CONFIGFS_ATTRIB_SHOW(_name) \
+static ssize_t _name##_show(struct config_item *item, char *page) \
+{ \
+ return snprintf(page, PAGE_SIZE, "%u\n", to_attrib(item)->_name); \
+}
+
+DEF_CONFIGFS_ATTRIB_SHOW(emulate_model_alias);
+DEF_CONFIGFS_ATTRIB_SHOW(emulate_dpo);
+DEF_CONFIGFS_ATTRIB_SHOW(emulate_fua_write);
+DEF_CONFIGFS_ATTRIB_SHOW(emulate_fua_read);
+DEF_CONFIGFS_ATTRIB_SHOW(emulate_write_cache);
+DEF_CONFIGFS_ATTRIB_SHOW(emulate_ua_intlck_ctrl);
+DEF_CONFIGFS_ATTRIB_SHOW(emulate_tas);
+DEF_CONFIGFS_ATTRIB_SHOW(emulate_tpu);
+DEF_CONFIGFS_ATTRIB_SHOW(emulate_tpws);
+DEF_CONFIGFS_ATTRIB_SHOW(emulate_caw);
+DEF_CONFIGFS_ATTRIB_SHOW(emulate_3pc);
+DEF_CONFIGFS_ATTRIB_SHOW(pi_prot_type);
+DEF_CONFIGFS_ATTRIB_SHOW(hw_pi_prot_type);
+DEF_CONFIGFS_ATTRIB_SHOW(pi_prot_format);
+DEF_CONFIGFS_ATTRIB_SHOW(enforce_pr_isids);
+DEF_CONFIGFS_ATTRIB_SHOW(is_nonrot);
+DEF_CONFIGFS_ATTRIB_SHOW(emulate_rest_reord);
+DEF_CONFIGFS_ATTRIB_SHOW(force_pr_aptpl);
+DEF_CONFIGFS_ATTRIB_SHOW(hw_block_size);
+DEF_CONFIGFS_ATTRIB_SHOW(block_size);
+DEF_CONFIGFS_ATTRIB_SHOW(hw_max_sectors);
+DEF_CONFIGFS_ATTRIB_SHOW(optimal_sectors);
+DEF_CONFIGFS_ATTRIB_SHOW(hw_queue_depth);
+DEF_CONFIGFS_ATTRIB_SHOW(queue_depth);
+DEF_CONFIGFS_ATTRIB_SHOW(max_unmap_lba_count);
+DEF_CONFIGFS_ATTRIB_SHOW(max_unmap_block_desc_count);
+DEF_CONFIGFS_ATTRIB_SHOW(unmap_granularity);
+DEF_CONFIGFS_ATTRIB_SHOW(unmap_granularity_alignment);
+DEF_CONFIGFS_ATTRIB_SHOW(max_write_same_len);
+
+#define DEF_CONFIGFS_ATTRIB_STORE_U32(_name) \
+static ssize_t _name##_store(struct config_item *item, const char *page,\
+ size_t count) \
{ \
- unsigned long val; \
+ struct se_dev_attrib *da = to_attrib(item); \
+ u32 val; \
int ret; \
\
- ret = strict_strtoul(page, 0, &val); \
- if (ret < 0) { \
- pr_err("strict_strtoul() failed with" \
- " ret: %d\n", ret); \
- return -EINVAL; \
- } \
- ret = se_dev_set_##_name(da->da_dev, (u32)val); \
+ ret = kstrtou32(page, 0, &val); \
+ if (ret < 0) \
+ return ret; \
+ da->_name = val; \
+ return count; \
+}
+
+DEF_CONFIGFS_ATTRIB_STORE_U32(max_unmap_lba_count);
+DEF_CONFIGFS_ATTRIB_STORE_U32(max_unmap_block_desc_count);
+DEF_CONFIGFS_ATTRIB_STORE_U32(unmap_granularity);
+DEF_CONFIGFS_ATTRIB_STORE_U32(unmap_granularity_alignment);
+DEF_CONFIGFS_ATTRIB_STORE_U32(max_write_same_len);
+
+#define DEF_CONFIGFS_ATTRIB_STORE_BOOL(_name) \
+static ssize_t _name##_store(struct config_item *item, const char *page, \
+ size_t count) \
+{ \
+ struct se_dev_attrib *da = to_attrib(item); \
+ bool flag; \
+ int ret; \
\
- return (!ret) ? count : -EINVAL; \
+ ret = strtobool(page, &flag); \
+ if (ret < 0) \
+ return ret; \
+ da->_name = flag; \
+ return count; \
+}
+
+DEF_CONFIGFS_ATTRIB_STORE_BOOL(emulate_fua_write);
+DEF_CONFIGFS_ATTRIB_STORE_BOOL(emulate_caw);
+DEF_CONFIGFS_ATTRIB_STORE_BOOL(emulate_3pc);
+DEF_CONFIGFS_ATTRIB_STORE_BOOL(enforce_pr_isids);
+DEF_CONFIGFS_ATTRIB_STORE_BOOL(is_nonrot);
+
+#define DEF_CONFIGFS_ATTRIB_STORE_STUB(_name) \
+static ssize_t _name##_store(struct config_item *item, const char *page,\
+ size_t count) \
+{ \
+ printk_once(KERN_WARNING \
+ "ignoring deprecated ##_name## attribute\n"); \
+ return count; \
}
-#define DEF_DEV_ATTRIB(_name) \
-DEF_DEV_ATTRIB_SHOW(_name); \
-DEF_DEV_ATTRIB_STORE(_name);
+DEF_CONFIGFS_ATTRIB_STORE_STUB(emulate_dpo);
+DEF_CONFIGFS_ATTRIB_STORE_STUB(emulate_fua_read);
-#define DEF_DEV_ATTRIB_RO(_name) \
-DEF_DEV_ATTRIB_SHOW(_name);
+static void dev_set_t10_wwn_model_alias(struct se_device *dev)
+{
+ const char *configname;
-CONFIGFS_EATTR_STRUCT(target_core_dev_attrib, se_dev_attrib);
-#define SE_DEV_ATTR(_name, _mode) \
-static struct target_core_dev_attrib_attribute \
- target_core_dev_attrib_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- target_core_dev_show_attr_##_name, \
- target_core_dev_store_attr_##_name);
+ configname = config_item_name(&dev->dev_group.cg_item);
+ if (strlen(configname) >= 16) {
+ pr_warn("dev[%p]: Backstore name '%s' is too long for "
+ "INQUIRY_MODEL, truncating to 16 bytes\n", dev,
+ configname);
+ }
+ snprintf(&dev->t10_wwn.model[0], 16, "%s", configname);
+}
-#define SE_DEV_ATTR_RO(_name); \
-static struct target_core_dev_attrib_attribute \
- target_core_dev_attrib_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- target_core_dev_show_attr_##_name);
+static ssize_t emulate_model_alias_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ struct se_device *dev = da->da_dev;
+ bool flag;
+ int ret;
-DEF_DEV_ATTRIB(emulate_model_alias);
-SE_DEV_ATTR(emulate_model_alias, S_IRUGO | S_IWUSR);
+ if (dev->export_count) {
+ pr_err("dev[%p]: Unable to change model alias"
+ " while export_count is %d\n",
+ dev, dev->export_count);
+ return -EINVAL;
+ }
-DEF_DEV_ATTRIB(emulate_dpo);
-SE_DEV_ATTR(emulate_dpo, S_IRUGO | S_IWUSR);
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
-DEF_DEV_ATTRIB(emulate_fua_write);
-SE_DEV_ATTR(emulate_fua_write, S_IRUGO | S_IWUSR);
+ if (flag) {
+ dev_set_t10_wwn_model_alias(dev);
+ } else {
+ strncpy(&dev->t10_wwn.model[0],
+ dev->transport->inquiry_prod, 16);
+ }
+ da->emulate_model_alias = flag;
+ return count;
+}
-DEF_DEV_ATTRIB(emulate_fua_read);
-SE_DEV_ATTR(emulate_fua_read, S_IRUGO | S_IWUSR);
+static ssize_t emulate_write_cache_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ bool flag;
+ int ret;
-DEF_DEV_ATTRIB(emulate_write_cache);
-SE_DEV_ATTR(emulate_write_cache, S_IRUGO | S_IWUSR);
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
-DEF_DEV_ATTRIB(emulate_ua_intlck_ctrl);
-SE_DEV_ATTR(emulate_ua_intlck_ctrl, S_IRUGO | S_IWUSR);
+ if (flag && da->da_dev->transport->get_write_cache) {
+ pr_err("emulate_write_cache not supported for this device\n");
+ return -EINVAL;
+ }
-DEF_DEV_ATTRIB(emulate_tas);
-SE_DEV_ATTR(emulate_tas, S_IRUGO | S_IWUSR);
+ da->emulate_write_cache = flag;
+ pr_debug("dev[%p]: SE Device WRITE_CACHE_EMULATION flag: %d\n",
+ da->da_dev, flag);
+ return count;
+}
-DEF_DEV_ATTRIB(emulate_tpu);
-SE_DEV_ATTR(emulate_tpu, S_IRUGO | S_IWUSR);
+static ssize_t emulate_ua_intlck_ctrl_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ u32 val;
+ int ret;
-DEF_DEV_ATTRIB(emulate_tpws);
-SE_DEV_ATTR(emulate_tpws, S_IRUGO | S_IWUSR);
+ ret = kstrtou32(page, 0, &val);
+ if (ret < 0)
+ return ret;
-DEF_DEV_ATTRIB(enforce_pr_isids);
-SE_DEV_ATTR(enforce_pr_isids, S_IRUGO | S_IWUSR);
+ if (val != 0 && val != 1 && val != 2) {
+ pr_err("Illegal value %d\n", val);
+ return -EINVAL;
+ }
-DEF_DEV_ATTRIB(is_nonrot);
-SE_DEV_ATTR(is_nonrot, S_IRUGO | S_IWUSR);
+ if (da->da_dev->export_count) {
+ pr_err("dev[%p]: Unable to change SE Device"
+ " UA_INTRLCK_CTRL while export_count is %d\n",
+ da->da_dev, da->da_dev->export_count);
+ return -EINVAL;
+ }
+ da->emulate_ua_intlck_ctrl = val;
+ pr_debug("dev[%p]: SE Device UA_INTRLCK_CTRL flag: %d\n",
+ da->da_dev, val);
+ return count;
+}
-DEF_DEV_ATTRIB(emulate_rest_reord);
-SE_DEV_ATTR(emulate_rest_reord, S_IRUGO | S_IWUSR);
+static ssize_t emulate_tas_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ bool flag;
+ int ret;
-DEF_DEV_ATTRIB_RO(hw_block_size);
-SE_DEV_ATTR_RO(hw_block_size);
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
-DEF_DEV_ATTRIB(block_size);
-SE_DEV_ATTR(block_size, S_IRUGO | S_IWUSR);
+ if (da->da_dev->export_count) {
+ pr_err("dev[%p]: Unable to change SE Device TAS while"
+ " export_count is %d\n",
+ da->da_dev, da->da_dev->export_count);
+ return -EINVAL;
+ }
+ da->emulate_tas = flag;
+ pr_debug("dev[%p]: SE Device TASK_ABORTED status bit: %s\n",
+ da->da_dev, flag ? "Enabled" : "Disabled");
-DEF_DEV_ATTRIB_RO(hw_max_sectors);
-SE_DEV_ATTR_RO(hw_max_sectors);
+ return count;
+}
-DEF_DEV_ATTRIB(fabric_max_sectors);
-SE_DEV_ATTR(fabric_max_sectors, S_IRUGO | S_IWUSR);
+static ssize_t emulate_tpu_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ bool flag;
+ int ret;
-DEF_DEV_ATTRIB(optimal_sectors);
-SE_DEV_ATTR(optimal_sectors, S_IRUGO | S_IWUSR);
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * We expect this value to be non-zero when generic Block Layer
+ * Discard supported is detected iblock_create_virtdevice().
+ */
+ if (flag && !da->max_unmap_block_desc_count) {
+ pr_err("Generic Block Discard not supported\n");
+ return -ENOSYS;
+ }
-DEF_DEV_ATTRIB_RO(hw_queue_depth);
-SE_DEV_ATTR_RO(hw_queue_depth);
+ da->emulate_tpu = flag;
+ pr_debug("dev[%p]: SE Device Thin Provisioning UNMAP bit: %d\n",
+ da->da_dev, flag);
+ return count;
+}
-DEF_DEV_ATTRIB(queue_depth);
-SE_DEV_ATTR(queue_depth, S_IRUGO | S_IWUSR);
+static ssize_t emulate_tpws_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ bool flag;
+ int ret;
-DEF_DEV_ATTRIB(max_unmap_lba_count);
-SE_DEV_ATTR(max_unmap_lba_count, S_IRUGO | S_IWUSR);
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
-DEF_DEV_ATTRIB(max_unmap_block_desc_count);
-SE_DEV_ATTR(max_unmap_block_desc_count, S_IRUGO | S_IWUSR);
+ /*
+ * We expect this value to be non-zero when generic Block Layer
+ * Discard supported is detected iblock_create_virtdevice().
+ */
+ if (flag && !da->max_unmap_block_desc_count) {
+ pr_err("Generic Block Discard not supported\n");
+ return -ENOSYS;
+ }
-DEF_DEV_ATTRIB(unmap_granularity);
-SE_DEV_ATTR(unmap_granularity, S_IRUGO | S_IWUSR);
+ da->emulate_tpws = flag;
+ pr_debug("dev[%p]: SE Device Thin Provisioning WRITE_SAME: %d\n",
+ da->da_dev, flag);
+ return count;
+}
-DEF_DEV_ATTRIB(unmap_granularity_alignment);
-SE_DEV_ATTR(unmap_granularity_alignment, S_IRUGO | S_IWUSR);
+static ssize_t pi_prot_type_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ int old_prot = da->pi_prot_type, ret;
+ struct se_device *dev = da->da_dev;
+ u32 flag;
-DEF_DEV_ATTRIB(max_write_same_len);
-SE_DEV_ATTR(max_write_same_len, S_IRUGO | S_IWUSR);
+ ret = kstrtou32(page, 0, &flag);
+ if (ret < 0)
+ return ret;
-CONFIGFS_EATTR_OPS(target_core_dev_attrib, se_dev_attrib, da_group);
+ if (flag != 0 && flag != 1 && flag != 2 && flag != 3) {
+ pr_err("Illegal value %d for pi_prot_type\n", flag);
+ return -EINVAL;
+ }
+ if (flag == 2) {
+ pr_err("DIF TYPE2 protection currently not supported\n");
+ return -ENOSYS;
+ }
+ if (da->hw_pi_prot_type) {
+ pr_warn("DIF protection enabled on underlying hardware,"
+ " ignoring\n");
+ return count;
+ }
+ if (!dev->transport->init_prot || !dev->transport->free_prot) {
+ /* 0 is only allowed value for non-supporting backends */
+ if (flag == 0)
+ return count;
-static struct configfs_attribute *target_core_dev_attrib_attrs[] = {
- &target_core_dev_attrib_emulate_model_alias.attr,
- &target_core_dev_attrib_emulate_dpo.attr,
- &target_core_dev_attrib_emulate_fua_write.attr,
- &target_core_dev_attrib_emulate_fua_read.attr,
- &target_core_dev_attrib_emulate_write_cache.attr,
- &target_core_dev_attrib_emulate_ua_intlck_ctrl.attr,
- &target_core_dev_attrib_emulate_tas.attr,
- &target_core_dev_attrib_emulate_tpu.attr,
- &target_core_dev_attrib_emulate_tpws.attr,
- &target_core_dev_attrib_enforce_pr_isids.attr,
- &target_core_dev_attrib_is_nonrot.attr,
- &target_core_dev_attrib_emulate_rest_reord.attr,
- &target_core_dev_attrib_hw_block_size.attr,
- &target_core_dev_attrib_block_size.attr,
- &target_core_dev_attrib_hw_max_sectors.attr,
- &target_core_dev_attrib_fabric_max_sectors.attr,
- &target_core_dev_attrib_optimal_sectors.attr,
- &target_core_dev_attrib_hw_queue_depth.attr,
- &target_core_dev_attrib_queue_depth.attr,
- &target_core_dev_attrib_max_unmap_lba_count.attr,
- &target_core_dev_attrib_max_unmap_block_desc_count.attr,
- &target_core_dev_attrib_unmap_granularity.attr,
- &target_core_dev_attrib_unmap_granularity_alignment.attr,
- &target_core_dev_attrib_max_write_same_len.attr,
- NULL,
-};
+ pr_err("DIF protection not supported by backend: %s\n",
+ dev->transport->name);
+ return -ENOSYS;
+ }
+ if (!(dev->dev_flags & DF_CONFIGURED)) {
+ pr_err("DIF protection requires device to be configured\n");
+ return -ENODEV;
+ }
+ if (dev->export_count) {
+ pr_err("dev[%p]: Unable to change SE Device PROT type while"
+ " export_count is %d\n", dev, dev->export_count);
+ return -EINVAL;
+ }
+
+ da->pi_prot_type = flag;
+
+ if (flag && !old_prot) {
+ ret = dev->transport->init_prot(dev);
+ if (ret) {
+ da->pi_prot_type = old_prot;
+ return ret;
+ }
+
+ } else if (!flag && old_prot) {
+ dev->transport->free_prot(dev);
+ }
+
+ pr_debug("dev[%p]: SE Device Protection Type: %d\n", dev, flag);
+ return count;
+}
+
+static ssize_t pi_prot_format_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ struct se_device *dev = da->da_dev;
+ bool flag;
+ int ret;
+
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+
+ if (!flag)
+ return count;
+
+ if (!dev->transport->format_prot) {
+ pr_err("DIF protection format not supported by backend %s\n",
+ dev->transport->name);
+ return -ENOSYS;
+ }
+ if (!(dev->dev_flags & DF_CONFIGURED)) {
+ pr_err("DIF protection format requires device to be configured\n");
+ return -ENODEV;
+ }
+ if (dev->export_count) {
+ pr_err("dev[%p]: Unable to format SE Device PROT type while"
+ " export_count is %d\n", dev, dev->export_count);
+ return -EINVAL;
+ }
+
+ ret = dev->transport->format_prot(dev);
+ if (ret)
+ return ret;
+
+ pr_debug("dev[%p]: SE Device Protection Format complete\n", dev);
+ return count;
+}
+
+static ssize_t force_pr_aptpl_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ bool flag;
+ int ret;
+
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+ if (da->da_dev->export_count) {
+ pr_err("dev[%p]: Unable to set force_pr_aptpl while"
+ " export_count is %d\n",
+ da->da_dev, da->da_dev->export_count);
+ return -EINVAL;
+ }
+
+ da->force_pr_aptpl = flag;
+ pr_debug("dev[%p]: SE Device force_pr_aptpl: %d\n", da->da_dev, flag);
+ return count;
+}
+
+static ssize_t emulate_rest_reord_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ bool flag;
+ int ret;
-static struct configfs_item_operations target_core_dev_attrib_ops = {
- .show_attribute = target_core_dev_attrib_attr_show,
- .store_attribute = target_core_dev_attrib_attr_store,
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+
+ if (flag != 0) {
+ printk(KERN_ERR "dev[%p]: SE Device emulation of restricted"
+ " reordering not implemented\n", da->da_dev);
+ return -ENOSYS;
+ }
+ da->emulate_rest_reord = flag;
+ pr_debug("dev[%p]: SE Device emulate_rest_reord: %d\n",
+ da->da_dev, flag);
+ return count;
+}
+
+/*
+ * Note, this can only be called on unexported SE Device Object.
+ */
+static ssize_t queue_depth_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ struct se_device *dev = da->da_dev;
+ u32 val;
+ int ret;
+
+ ret = kstrtou32(page, 0, &val);
+ if (ret < 0)
+ return ret;
+
+ if (dev->export_count) {
+ pr_err("dev[%p]: Unable to change SE Device TCQ while"
+ " export_count is %d\n",
+ dev, dev->export_count);
+ return -EINVAL;
+ }
+ if (!val) {
+ pr_err("dev[%p]: Illegal ZERO value for queue_depth\n", dev);
+ return -EINVAL;
+ }
+
+ if (val > dev->dev_attrib.queue_depth) {
+ if (val > dev->dev_attrib.hw_queue_depth) {
+ pr_err("dev[%p]: Passed queue_depth:"
+ " %u exceeds TCM/SE_Device MAX"
+ " TCQ: %u\n", dev, val,
+ dev->dev_attrib.hw_queue_depth);
+ return -EINVAL;
+ }
+ }
+ da->queue_depth = dev->queue_depth = val;
+ pr_debug("dev[%p]: SE Device TCQ Depth changed to: %u\n", dev, val);
+ return count;
+}
+
+static ssize_t optimal_sectors_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ u32 val;
+ int ret;
+
+ ret = kstrtou32(page, 0, &val);
+ if (ret < 0)
+ return ret;
+
+ if (da->da_dev->export_count) {
+ pr_err("dev[%p]: Unable to change SE Device"
+ " optimal_sectors while export_count is %d\n",
+ da->da_dev, da->da_dev->export_count);
+ return -EINVAL;
+ }
+ if (val > da->hw_max_sectors) {
+ pr_err("dev[%p]: Passed optimal_sectors %u cannot be"
+ " greater than hw_max_sectors: %u\n",
+ da->da_dev, val, da->hw_max_sectors);
+ return -EINVAL;
+ }
+
+ da->optimal_sectors = val;
+ pr_debug("dev[%p]: SE Device optimal_sectors changed to %u\n",
+ da->da_dev, val);
+ return count;
+}
+
+static ssize_t block_size_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct se_dev_attrib *da = to_attrib(item);
+ u32 val;
+ int ret;
+
+ ret = kstrtou32(page, 0, &val);
+ if (ret < 0)
+ return ret;
+
+ if (da->da_dev->export_count) {
+ pr_err("dev[%p]: Unable to change SE Device block_size"
+ " while export_count is %d\n",
+ da->da_dev, da->da_dev->export_count);
+ return -EINVAL;
+ }
+
+ if (val != 512 && val != 1024 && val != 2048 && val != 4096) {
+ pr_err("dev[%p]: Illegal value for block_device: %u"
+ " for SE device, must be 512, 1024, 2048 or 4096\n",
+ da->da_dev, val);
+ return -EINVAL;
+ }
+
+ da->block_size = val;
+ if (da->max_bytes_per_io)
+ da->hw_max_sectors = da->max_bytes_per_io / val;
+
+ pr_debug("dev[%p]: SE Device block_size changed to %u\n",
+ da->da_dev, val);
+ return count;
+}
+
+CONFIGFS_ATTR(, emulate_model_alias);
+CONFIGFS_ATTR(, emulate_dpo);
+CONFIGFS_ATTR(, emulate_fua_write);
+CONFIGFS_ATTR(, emulate_fua_read);
+CONFIGFS_ATTR(, emulate_write_cache);
+CONFIGFS_ATTR(, emulate_ua_intlck_ctrl);
+CONFIGFS_ATTR(, emulate_tas);
+CONFIGFS_ATTR(, emulate_tpu);
+CONFIGFS_ATTR(, emulate_tpws);
+CONFIGFS_ATTR(, emulate_caw);
+CONFIGFS_ATTR(, emulate_3pc);
+CONFIGFS_ATTR(, pi_prot_type);
+CONFIGFS_ATTR_RO(, hw_pi_prot_type);
+CONFIGFS_ATTR(, pi_prot_format);
+CONFIGFS_ATTR(, enforce_pr_isids);
+CONFIGFS_ATTR(, is_nonrot);
+CONFIGFS_ATTR(, emulate_rest_reord);
+CONFIGFS_ATTR(, force_pr_aptpl);
+CONFIGFS_ATTR_RO(, hw_block_size);
+CONFIGFS_ATTR(, block_size);
+CONFIGFS_ATTR_RO(, hw_max_sectors);
+CONFIGFS_ATTR(, optimal_sectors);
+CONFIGFS_ATTR_RO(, hw_queue_depth);
+CONFIGFS_ATTR(, queue_depth);
+CONFIGFS_ATTR(, max_unmap_lba_count);
+CONFIGFS_ATTR(, max_unmap_block_desc_count);
+CONFIGFS_ATTR(, unmap_granularity);
+CONFIGFS_ATTR(, unmap_granularity_alignment);
+CONFIGFS_ATTR(, max_write_same_len);
+
+/*
+ * dev_attrib attributes for devices using the target core SBC/SPC
+ * interpreter. Any backend using spc_parse_cdb should be using
+ * these.
+ */
+struct configfs_attribute *sbc_attrib_attrs[] = {
+ &attr_emulate_model_alias,
+ &attr_emulate_dpo,
+ &attr_emulate_fua_write,
+ &attr_emulate_fua_read,
+ &attr_emulate_write_cache,
+ &attr_emulate_ua_intlck_ctrl,
+ &attr_emulate_tas,
+ &attr_emulate_tpu,
+ &attr_emulate_tpws,
+ &attr_emulate_caw,
+ &attr_emulate_3pc,
+ &attr_pi_prot_type,
+ &attr_hw_pi_prot_type,
+ &attr_pi_prot_format,
+ &attr_enforce_pr_isids,
+ &attr_is_nonrot,
+ &attr_emulate_rest_reord,
+ &attr_force_pr_aptpl,
+ &attr_hw_block_size,
+ &attr_block_size,
+ &attr_hw_max_sectors,
+ &attr_optimal_sectors,
+ &attr_hw_queue_depth,
+ &attr_queue_depth,
+ &attr_max_unmap_lba_count,
+ &attr_max_unmap_block_desc_count,
+ &attr_unmap_granularity,
+ &attr_unmap_granularity_alignment,
+ &attr_max_write_same_len,
+ NULL,
};
+EXPORT_SYMBOL(sbc_attrib_attrs);
-static struct config_item_type target_core_dev_attrib_cit = {
- .ct_item_ops = &target_core_dev_attrib_ops,
- .ct_attrs = target_core_dev_attrib_attrs,
- .ct_owner = THIS_MODULE,
+/*
+ * Minimal dev_attrib attributes for devices passing through CDBs.
+ * In this case we only provide a few read-only attributes for
+ * backwards compatibility.
+ */
+struct configfs_attribute *passthrough_attrib_attrs[] = {
+ &attr_hw_pi_prot_type,
+ &attr_hw_block_size,
+ &attr_hw_max_sectors,
+ &attr_hw_queue_depth,
+ NULL,
};
+EXPORT_SYMBOL(passthrough_attrib_attrs);
-/* End functions for struct config_item_type target_core_dev_attrib_cit */
+TB_CIT_SETUP_DRV(dev_attrib, NULL, NULL);
-/* Start functions for struct config_item_type target_core_dev_wwn_cit */
+/* End functions for struct config_item_type tb_dev_attrib_cit */
-CONFIGFS_EATTR_STRUCT(target_core_dev_wwn, t10_wwn);
-#define SE_DEV_WWN_ATTR(_name, _mode) \
-static struct target_core_dev_wwn_attribute target_core_dev_wwn_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- target_core_dev_wwn_show_attr_##_name, \
- target_core_dev_wwn_store_attr_##_name);
+/* Start functions for struct config_item_type tb_dev_wwn_cit */
-#define SE_DEV_WWN_ATTR_RO(_name); \
-do { \
- static struct target_core_dev_wwn_attribute \
- target_core_dev_wwn_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- target_core_dev_wwn_show_attr_##_name); \
-} while (0);
+static struct t10_wwn *to_t10_wwn(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct t10_wwn, t10_wwn_group);
+}
/*
* VPD page 0x80 Unit serial
*/
-static ssize_t target_core_dev_wwn_show_attr_vpd_unit_serial(
- struct t10_wwn *t10_wwn,
- char *page)
+static ssize_t target_wwn_vpd_unit_serial_show(struct config_item *item,
+ char *page)
{
return sprintf(page, "T10 VPD Unit Serial Number: %s\n",
- &t10_wwn->unit_serial[0]);
+ &to_t10_wwn(item)->unit_serial[0]);
}
-static ssize_t target_core_dev_wwn_store_attr_vpd_unit_serial(
- struct t10_wwn *t10_wwn,
- const char *page,
- size_t count)
+static ssize_t target_wwn_vpd_unit_serial_store(struct config_item *item,
+ const char *page, size_t count)
{
+ struct t10_wwn *t10_wwn = to_t10_wwn(item);
struct se_device *dev = t10_wwn->t10_dev;
unsigned char buf[INQUIRY_VPD_SERIAL_LEN];
return count;
}
-SE_DEV_WWN_ATTR(vpd_unit_serial, S_IRUGO | S_IWUSR);
-
/*
* VPD page 0x83 Protocol Identifier
*/
-static ssize_t target_core_dev_wwn_show_attr_vpd_protocol_identifier(
- struct t10_wwn *t10_wwn,
- char *page)
+static ssize_t target_wwn_vpd_protocol_identifier_show(struct config_item *item,
+ char *page)
{
+ struct t10_wwn *t10_wwn = to_t10_wwn(item);
struct t10_vpd *vpd;
unsigned char buf[VPD_TMP_BUF_SIZE];
ssize_t len = 0;
return len;
}
-static ssize_t target_core_dev_wwn_store_attr_vpd_protocol_identifier(
- struct t10_wwn *t10_wwn,
- const char *page,
- size_t count)
-{
- return -ENOSYS;
-}
-
-SE_DEV_WWN_ATTR(vpd_protocol_identifier, S_IRUGO | S_IWUSR);
-
/*
* Generic wrapper for dumping VPD identifiers by association.
*/
#define DEF_DEV_WWN_ASSOC_SHOW(_name, _assoc) \
-static ssize_t target_core_dev_wwn_show_attr_##_name( \
- struct t10_wwn *t10_wwn, \
- char *page) \
+static ssize_t target_wwn_##_name##_show(struct config_item *item, \
+ char *page) \
{ \
- struct t10_vpd *vpd; \
+ struct t10_wwn *t10_wwn = to_t10_wwn(item); \
+ struct t10_vpd *vpd; \
unsigned char buf[VPD_TMP_BUF_SIZE]; \
ssize_t len = 0; \
\
len += sprintf(page+len, "%s", buf); \
} \
spin_unlock(&t10_wwn->t10_vpd_lock); \
- \
- return len; \
-}
-
-/*
- * VPD page 0x83 Association: Logical Unit
- */
-DEF_DEV_WWN_ASSOC_SHOW(vpd_assoc_logical_unit, 0x00);
-
-static ssize_t target_core_dev_wwn_store_attr_vpd_assoc_logical_unit(
- struct t10_wwn *t10_wwn,
- const char *page,
- size_t count)
-{
- return -ENOSYS;
+ \
+ return len; \
}
-SE_DEV_WWN_ATTR(vpd_assoc_logical_unit, S_IRUGO | S_IWUSR);
-
-/*
- * VPD page 0x83 Association: Target Port
- */
+/* VPD page 0x83 Association: Logical Unit */
+DEF_DEV_WWN_ASSOC_SHOW(vpd_assoc_logical_unit, 0x00);
+/* VPD page 0x83 Association: Target Port */
DEF_DEV_WWN_ASSOC_SHOW(vpd_assoc_target_port, 0x10);
-
-static ssize_t target_core_dev_wwn_store_attr_vpd_assoc_target_port(
- struct t10_wwn *t10_wwn,
- const char *page,
- size_t count)
-{
- return -ENOSYS;
-}
-
-SE_DEV_WWN_ATTR(vpd_assoc_target_port, S_IRUGO | S_IWUSR);
-
-/*
- * VPD page 0x83 Association: SCSI Target Device
- */
+/* VPD page 0x83 Association: SCSI Target Device */
DEF_DEV_WWN_ASSOC_SHOW(vpd_assoc_scsi_target_device, 0x20);
-static ssize_t target_core_dev_wwn_store_attr_vpd_assoc_scsi_target_device(
- struct t10_wwn *t10_wwn,
- const char *page,
- size_t count)
-{
- return -ENOSYS;
-}
-
-SE_DEV_WWN_ATTR(vpd_assoc_scsi_target_device, S_IRUGO | S_IWUSR);
-
-CONFIGFS_EATTR_OPS(target_core_dev_wwn, t10_wwn, t10_wwn_group);
+CONFIGFS_ATTR(target_wwn_, vpd_unit_serial);
+CONFIGFS_ATTR_RO(target_wwn_, vpd_protocol_identifier);
+CONFIGFS_ATTR_RO(target_wwn_, vpd_assoc_logical_unit);
+CONFIGFS_ATTR_RO(target_wwn_, vpd_assoc_target_port);
+CONFIGFS_ATTR_RO(target_wwn_, vpd_assoc_scsi_target_device);
static struct configfs_attribute *target_core_dev_wwn_attrs[] = {
- &target_core_dev_wwn_vpd_unit_serial.attr,
- &target_core_dev_wwn_vpd_protocol_identifier.attr,
- &target_core_dev_wwn_vpd_assoc_logical_unit.attr,
- &target_core_dev_wwn_vpd_assoc_target_port.attr,
- &target_core_dev_wwn_vpd_assoc_scsi_target_device.attr,
+ &target_wwn_attr_vpd_unit_serial,
+ &target_wwn_attr_vpd_protocol_identifier,
+ &target_wwn_attr_vpd_assoc_logical_unit,
+ &target_wwn_attr_vpd_assoc_target_port,
+ &target_wwn_attr_vpd_assoc_scsi_target_device,
NULL,
};
-static struct configfs_item_operations target_core_dev_wwn_ops = {
- .show_attribute = target_core_dev_wwn_attr_show,
- .store_attribute = target_core_dev_wwn_attr_store,
-};
-
-static struct config_item_type target_core_dev_wwn_cit = {
- .ct_item_ops = &target_core_dev_wwn_ops,
- .ct_attrs = target_core_dev_wwn_attrs,
- .ct_owner = THIS_MODULE,
-};
-
-/* End functions for struct config_item_type target_core_dev_wwn_cit */
+TB_CIT_SETUP(dev_wwn, NULL, NULL, target_core_dev_wwn_attrs);
-/* Start functions for struct config_item_type target_core_dev_pr_cit */
+/* End functions for struct config_item_type tb_dev_wwn_cit */
-CONFIGFS_EATTR_STRUCT(target_core_dev_pr, se_device);
-#define SE_DEV_PR_ATTR(_name, _mode) \
-static struct target_core_dev_pr_attribute target_core_dev_pr_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- target_core_dev_pr_show_attr_##_name, \
- target_core_dev_pr_store_attr_##_name);
+/* Start functions for struct config_item_type tb_dev_pr_cit */
-#define SE_DEV_PR_ATTR_RO(_name); \
-static struct target_core_dev_pr_attribute target_core_dev_pr_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- target_core_dev_pr_show_attr_##_name);
+static struct se_device *pr_to_dev(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct se_device,
+ dev_pr_group);
+}
static ssize_t target_core_dev_pr_show_spc3_res(struct se_device *dev,
char *page)
struct se_node_acl *se_nacl;
struct t10_pr_registration *pr_reg;
char i_buf[PR_REG_ISID_ID_LEN];
- int prf_isid;
memset(i_buf, 0, PR_REG_ISID_ID_LEN);
return sprintf(page, "No SPC-3 Reservation holder\n");
se_nacl = pr_reg->pr_reg_nacl;
- prf_isid = core_pr_dump_initiator_port(pr_reg, &i_buf[0],
- PR_REG_ISID_ID_LEN);
+ core_pr_dump_initiator_port(pr_reg, i_buf, PR_REG_ISID_ID_LEN);
return sprintf(page, "SPC-3 Reservation: %s Initiator: %s%s\n",
se_nacl->se_tpg->se_tpg_tfo->get_fabric_name(),
- se_nacl->initiatorname, (prf_isid) ? &i_buf[0] : "");
+ se_nacl->initiatorname, i_buf);
}
static ssize_t target_core_dev_pr_show_spc2_res(struct se_device *dev,
return len;
}
-static ssize_t target_core_dev_pr_show_attr_res_holder(struct se_device *dev,
- char *page)
+static ssize_t target_pr_res_holder_show(struct config_item *item, char *page)
{
+ struct se_device *dev = pr_to_dev(item);
int ret;
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return sprintf(page, "Passthrough\n");
spin_lock(&dev->dev_reservation_lock);
return ret;
}
-SE_DEV_PR_ATTR_RO(res_holder);
-
-static ssize_t target_core_dev_pr_show_attr_res_pr_all_tgt_pts(
- struct se_device *dev, char *page)
+static ssize_t target_pr_res_pr_all_tgt_pts_show(struct config_item *item,
+ char *page)
{
+ struct se_device *dev = pr_to_dev(item);
ssize_t len = 0;
spin_lock(&dev->dev_reservation_lock);
return len;
}
-SE_DEV_PR_ATTR_RO(res_pr_all_tgt_pts);
-
-static ssize_t target_core_dev_pr_show_attr_res_pr_generation(
- struct se_device *dev, char *page)
+static ssize_t target_pr_res_pr_generation_show(struct config_item *item,
+ char *page)
{
- return sprintf(page, "0x%08x\n", dev->t10_pr.pr_generation);
+ return sprintf(page, "0x%08x\n", pr_to_dev(item)->t10_pr.pr_generation);
}
-SE_DEV_PR_ATTR_RO(res_pr_generation);
-/*
- * res_pr_holder_tg_port
- */
-static ssize_t target_core_dev_pr_show_attr_res_pr_holder_tg_port(
- struct se_device *dev, char *page)
+static ssize_t target_pr_res_pr_holder_tg_port_show(struct config_item *item,
+ char *page)
{
+ struct se_device *dev = pr_to_dev(item);
struct se_node_acl *se_nacl;
- struct se_lun *lun;
struct se_portal_group *se_tpg;
struct t10_pr_registration *pr_reg;
- struct target_core_fabric_ops *tfo;
+ const struct target_core_fabric_ops *tfo;
ssize_t len = 0;
spin_lock(&dev->dev_reservation_lock);
se_nacl = pr_reg->pr_reg_nacl;
se_tpg = se_nacl->se_tpg;
- lun = pr_reg->pr_reg_tg_pt_lun;
tfo = se_tpg->se_tpg_tfo;
len += sprintf(page+len, "SPC-3 Reservation: %s"
tfo->tpg_get_wwn(se_tpg));
len += sprintf(page+len, "SPC-3 Reservation: Relative Port"
" Identifier Tag: %hu %s Portal Group Tag: %hu"
- " %s Logical Unit: %u\n", lun->lun_sep->sep_rtpi,
+ " %s Logical Unit: %llu\n", pr_reg->tg_pt_sep_rtpi,
tfo->get_fabric_name(), tfo->tpg_get_tag(se_tpg),
- tfo->get_fabric_name(), lun->unpacked_lun);
+ tfo->get_fabric_name(), pr_reg->pr_aptpl_target_lun);
out_unlock:
spin_unlock(&dev->dev_reservation_lock);
return len;
}
-SE_DEV_PR_ATTR_RO(res_pr_holder_tg_port);
-static ssize_t target_core_dev_pr_show_attr_res_pr_registered_i_pts(
- struct se_device *dev, char *page)
+static ssize_t target_pr_res_pr_registered_i_pts_show(struct config_item *item,
+ char *page)
{
- struct target_core_fabric_ops *tfo;
+ struct se_device *dev = pr_to_dev(item);
+ const struct target_core_fabric_ops *tfo;
struct t10_pr_registration *pr_reg;
unsigned char buf[384];
char i_buf[PR_REG_ISID_ID_LEN];
ssize_t len = 0;
- int reg_count = 0, prf_isid;
+ int reg_count = 0;
len += sprintf(page+len, "SPC-3 PR Registrations:\n");
memset(buf, 0, 384);
memset(i_buf, 0, PR_REG_ISID_ID_LEN);
tfo = pr_reg->pr_reg_nacl->se_tpg->se_tpg_tfo;
- prf_isid = core_pr_dump_initiator_port(pr_reg, &i_buf[0],
+ core_pr_dump_initiator_port(pr_reg, i_buf,
PR_REG_ISID_ID_LEN);
sprintf(buf, "%s Node: %s%s Key: 0x%016Lx PRgen: 0x%08x\n",
tfo->get_fabric_name(),
- pr_reg->pr_reg_nacl->initiatorname, (prf_isid) ?
- &i_buf[0] : "", pr_reg->pr_res_key,
+ pr_reg->pr_reg_nacl->initiatorname, i_buf, pr_reg->pr_res_key,
pr_reg->pr_res_generation);
if (len + strlen(buf) >= PAGE_SIZE)
return len;
}
-SE_DEV_PR_ATTR_RO(res_pr_registered_i_pts);
-
-static ssize_t target_core_dev_pr_show_attr_res_pr_type(
- struct se_device *dev, char *page)
+static ssize_t target_pr_res_pr_type_show(struct config_item *item, char *page)
{
+ struct se_device *dev = pr_to_dev(item);
struct t10_pr_registration *pr_reg;
ssize_t len = 0;
return len;
}
-SE_DEV_PR_ATTR_RO(res_pr_type);
-
-static ssize_t target_core_dev_pr_show_attr_res_type(
- struct se_device *dev, char *page)
+static ssize_t target_pr_res_type_show(struct config_item *item, char *page)
{
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ struct se_device *dev = pr_to_dev(item);
+
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return sprintf(page, "SPC_PASSTHROUGH\n");
else if (dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS)
return sprintf(page, "SPC2_RESERVATIONS\n");
return sprintf(page, "SPC3_PERSISTENT_RESERVATIONS\n");
}
-SE_DEV_PR_ATTR_RO(res_type);
-
-static ssize_t target_core_dev_pr_show_attr_res_aptpl_active(
- struct se_device *dev, char *page)
+static ssize_t target_pr_res_aptpl_active_show(struct config_item *item,
+ char *page)
{
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ struct se_device *dev = pr_to_dev(item);
+
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return 0;
return sprintf(page, "APTPL Bit Status: %s\n",
(dev->t10_pr.pr_aptpl_active) ? "Activated" : "Disabled");
}
-SE_DEV_PR_ATTR_RO(res_aptpl_active);
-
-/*
- * res_aptpl_metadata
- */
-static ssize_t target_core_dev_pr_show_attr_res_aptpl_metadata(
- struct se_device *dev, char *page)
+static ssize_t target_pr_res_aptpl_metadata_show(struct config_item *item,
+ char *page)
{
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ struct se_device *dev = pr_to_dev(item);
+
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return 0;
return sprintf(page, "Ready to process PR APTPL metadata..\n");
{Opt_res_type, "res_type=%d"},
{Opt_res_scope, "res_scope=%d"},
{Opt_res_all_tg_pt, "res_all_tg_pt=%d"},
- {Opt_mapped_lun, "mapped_lun=%d"},
+ {Opt_mapped_lun, "mapped_lun=%lld"},
{Opt_target_fabric, "target_fabric=%s"},
{Opt_target_node, "target_node=%s"},
{Opt_tpgt, "tpgt=%d"},
{Opt_port_rtpi, "port_rtpi=%d"},
- {Opt_target_lun, "target_lun=%d"},
+ {Opt_target_lun, "target_lun=%lld"},
{Opt_err, NULL}
};
-static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata(
- struct se_device *dev,
- const char *page,
- size_t count)
+static ssize_t target_pr_res_aptpl_metadata_store(struct config_item *item,
+ const char *page, size_t count)
{
+ struct se_device *dev = pr_to_dev(item);
unsigned char *i_fabric = NULL, *i_port = NULL, *isid = NULL;
unsigned char *t_fabric = NULL, *t_port = NULL;
- char *orig, *ptr, *arg_p, *opts;
+ char *orig, *ptr, *opts;
substring_t args[MAX_OPT_ARGS];
unsigned long long tmp_ll;
u64 sa_res_key = 0;
- u32 mapped_lun = 0, target_lun = 0;
+ u64 mapped_lun = 0, target_lun = 0;
int ret = -1, res_holder = 0, all_tg_pt = 0, arg, token;
- u16 port_rpti = 0, tpgt = 0;
- u8 type = 0, scope;
+ u16 tpgt = 0;
+ u8 type = 0;
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
- return 0;
+ if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
+ return count;
if (dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS)
- return 0;
+ return count;
if (dev->export_count) {
pr_debug("Unable to process APTPL metadata while"
token = match_token(ptr, tokens, args);
switch (token) {
case Opt_initiator_fabric:
- i_fabric = match_strdup(&args[0]);
+ i_fabric = match_strdup(args);
if (!i_fabric) {
ret = -ENOMEM;
goto out;
}
break;
case Opt_initiator_node:
- i_port = match_strdup(&args[0]);
+ i_port = match_strdup(args);
if (!i_port) {
ret = -ENOMEM;
goto out;
}
break;
case Opt_initiator_sid:
- isid = match_strdup(&args[0]);
+ isid = match_strdup(args);
if (!isid) {
ret = -ENOMEM;
goto out;
}
break;
case Opt_sa_res_key:
- arg_p = match_strdup(&args[0]);
- if (!arg_p) {
- ret = -ENOMEM;
- goto out;
- }
- ret = strict_strtoull(arg_p, 0, &tmp_ll);
+ ret = kstrtoull(args->from, 0, &tmp_ll);
if (ret < 0) {
- pr_err("strict_strtoull() failed for"
- " sa_res_key=\n");
+ pr_err("kstrtoull() failed for sa_res_key=\n");
goto out;
}
sa_res_key = (u64)tmp_ll;
* PR APTPL Metadata for Reservation
*/
case Opt_res_holder:
- match_int(args, &arg);
+ ret = match_int(args, &arg);
+ if (ret)
+ goto out;
res_holder = arg;
break;
case Opt_res_type:
- match_int(args, &arg);
+ ret = match_int(args, &arg);
+ if (ret)
+ goto out;
type = (u8)arg;
break;
case Opt_res_scope:
- match_int(args, &arg);
- scope = (u8)arg;
+ ret = match_int(args, &arg);
+ if (ret)
+ goto out;
break;
case Opt_res_all_tg_pt:
- match_int(args, &arg);
+ ret = match_int(args, &arg);
+ if (ret)
+ goto out;
all_tg_pt = (int)arg;
break;
case Opt_mapped_lun:
- match_int(args, &arg);
- mapped_lun = (u32)arg;
+ ret = match_int(args, &arg);
+ if (ret)
+ goto out;
+ mapped_lun = (u64)arg;
break;
/*
* PR APTPL Metadata for Target Port
*/
case Opt_target_fabric:
- t_fabric = match_strdup(&args[0]);
+ t_fabric = match_strdup(args);
if (!t_fabric) {
ret = -ENOMEM;
goto out;
}
break;
case Opt_target_node:
- t_port = match_strdup(&args[0]);
+ t_port = match_strdup(args);
if (!t_port) {
ret = -ENOMEM;
goto out;
}
break;
case Opt_tpgt:
- match_int(args, &arg);
+ ret = match_int(args, &arg);
+ if (ret)
+ goto out;
tpgt = (u16)arg;
break;
case Opt_port_rtpi:
- match_int(args, &arg);
- port_rpti = (u16)arg;
+ ret = match_int(args, &arg);
+ if (ret)
+ goto out;
break;
case Opt_target_lun:
- match_int(args, &arg);
- target_lun = (u32)arg;
+ ret = match_int(args, &arg);
+ if (ret)
+ goto out;
+ target_lun = (u64)arg;
break;
default:
break;
return (ret == 0) ? count : ret;
}
-SE_DEV_PR_ATTR(res_aptpl_metadata, S_IRUGO | S_IWUSR);
-CONFIGFS_EATTR_OPS(target_core_dev_pr, se_device, dev_pr_group);
+CONFIGFS_ATTR_RO(target_pr_, res_holder);
+CONFIGFS_ATTR_RO(target_pr_, res_pr_all_tgt_pts);
+CONFIGFS_ATTR_RO(target_pr_, res_pr_generation);
+CONFIGFS_ATTR_RO(target_pr_, res_pr_holder_tg_port);
+CONFIGFS_ATTR_RO(target_pr_, res_pr_registered_i_pts);
+CONFIGFS_ATTR_RO(target_pr_, res_pr_type);
+CONFIGFS_ATTR_RO(target_pr_, res_type);
+CONFIGFS_ATTR_RO(target_pr_, res_aptpl_active);
+CONFIGFS_ATTR(target_pr_, res_aptpl_metadata);
static struct configfs_attribute *target_core_dev_pr_attrs[] = {
- &target_core_dev_pr_res_holder.attr,
- &target_core_dev_pr_res_pr_all_tgt_pts.attr,
- &target_core_dev_pr_res_pr_generation.attr,
- &target_core_dev_pr_res_pr_holder_tg_port.attr,
- &target_core_dev_pr_res_pr_registered_i_pts.attr,
- &target_core_dev_pr_res_pr_type.attr,
- &target_core_dev_pr_res_type.attr,
- &target_core_dev_pr_res_aptpl_active.attr,
- &target_core_dev_pr_res_aptpl_metadata.attr,
+ &target_pr_attr_res_holder,
+ &target_pr_attr_res_pr_all_tgt_pts,
+ &target_pr_attr_res_pr_generation,
+ &target_pr_attr_res_pr_holder_tg_port,
+ &target_pr_attr_res_pr_registered_i_pts,
+ &target_pr_attr_res_pr_type,
+ &target_pr_attr_res_type,
+ &target_pr_attr_res_aptpl_active,
+ &target_pr_attr_res_aptpl_metadata,
NULL,
};
-static struct configfs_item_operations target_core_dev_pr_ops = {
- .show_attribute = target_core_dev_pr_attr_show,
- .store_attribute = target_core_dev_pr_attr_store,
-};
+TB_CIT_SETUP(dev_pr, NULL, NULL, target_core_dev_pr_attrs);
-static struct config_item_type target_core_dev_pr_cit = {
- .ct_item_ops = &target_core_dev_pr_ops,
- .ct_attrs = target_core_dev_pr_attrs,
- .ct_owner = THIS_MODULE,
-};
+/* End functions for struct config_item_type tb_dev_pr_cit */
-/* End functions for struct config_item_type target_core_dev_pr_cit */
+/* Start functions for struct config_item_type tb_dev_cit */
-/* Start functions for struct config_item_type target_core_dev_cit */
+static inline struct se_device *to_device(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct se_device, dev_group);
+}
-static ssize_t target_core_show_dev_info(void *p, char *page)
+static ssize_t target_dev_info_show(struct config_item *item, char *page)
{
- struct se_device *dev = p;
- struct se_subsystem_api *t = dev->transport;
+ struct se_device *dev = to_device(item);
int bl = 0;
ssize_t read_bytes = 0;
transport_dump_dev_state(dev, page, &bl);
read_bytes += bl;
- read_bytes += t->show_configfs_dev_params(dev, page+read_bytes);
+ read_bytes += dev->transport->show_configfs_dev_params(dev,
+ page+read_bytes);
return read_bytes;
}
-static struct target_core_configfs_attribute target_core_attr_dev_info = {
- .attr = { .ca_owner = THIS_MODULE,
- .ca_name = "info",
- .ca_mode = S_IRUGO },
- .show = target_core_show_dev_info,
- .store = NULL,
-};
-
-static ssize_t target_core_store_dev_control(
- void *p,
- const char *page,
- size_t count)
+static ssize_t target_dev_control_store(struct config_item *item,
+ const char *page, size_t count)
{
- struct se_device *dev = p;
- struct se_subsystem_api *t = dev->transport;
+ struct se_device *dev = to_device(item);
- return t->set_configfs_dev_params(dev, page, count);
+ return dev->transport->set_configfs_dev_params(dev, page, count);
}
-static struct target_core_configfs_attribute target_core_attr_dev_control = {
- .attr = { .ca_owner = THIS_MODULE,
- .ca_name = "control",
- .ca_mode = S_IWUSR },
- .show = NULL,
- .store = target_core_store_dev_control,
-};
-
-static ssize_t target_core_show_dev_alias(void *p, char *page)
+static ssize_t target_dev_alias_show(struct config_item *item, char *page)
{
- struct se_device *dev = p;
+ struct se_device *dev = to_device(item);
if (!(dev->dev_flags & DF_USING_ALIAS))
return 0;
return snprintf(page, PAGE_SIZE, "%s\n", dev->dev_alias);
}
-static ssize_t target_core_store_dev_alias(
- void *p,
- const char *page,
- size_t count)
+static ssize_t target_dev_alias_store(struct config_item *item,
+ const char *page, size_t count)
{
- struct se_device *dev = p;
+ struct se_device *dev = to_device(item);
struct se_hba *hba = dev->se_hba;
ssize_t read_bytes;
return read_bytes;
}
-static struct target_core_configfs_attribute target_core_attr_dev_alias = {
- .attr = { .ca_owner = THIS_MODULE,
- .ca_name = "alias",
- .ca_mode = S_IRUGO | S_IWUSR },
- .show = target_core_show_dev_alias,
- .store = target_core_store_dev_alias,
-};
-
-static ssize_t target_core_show_dev_udev_path(void *p, char *page)
+static ssize_t target_dev_udev_path_show(struct config_item *item, char *page)
{
- struct se_device *dev = p;
+ struct se_device *dev = to_device(item);
if (!(dev->dev_flags & DF_USING_UDEV_PATH))
return 0;
return snprintf(page, PAGE_SIZE, "%s\n", dev->udev_path);
}
-static ssize_t target_core_store_dev_udev_path(
- void *p,
- const char *page,
- size_t count)
+static ssize_t target_dev_udev_path_store(struct config_item *item,
+ const char *page, size_t count)
{
- struct se_device *dev = p;
+ struct se_device *dev = to_device(item);
struct se_hba *hba = dev->se_hba;
ssize_t read_bytes;
return read_bytes;
}
-static struct target_core_configfs_attribute target_core_attr_dev_udev_path = {
- .attr = { .ca_owner = THIS_MODULE,
- .ca_name = "udev_path",
- .ca_mode = S_IRUGO | S_IWUSR },
- .show = target_core_show_dev_udev_path,
- .store = target_core_store_dev_udev_path,
-};
-
-static ssize_t target_core_show_dev_enable(void *p, char *page)
+static ssize_t target_dev_enable_show(struct config_item *item, char *page)
{
- struct se_device *dev = p;
+ struct se_device *dev = to_device(item);
return snprintf(page, PAGE_SIZE, "%d\n", !!(dev->dev_flags & DF_CONFIGURED));
}
-static ssize_t target_core_store_dev_enable(
- void *p,
- const char *page,
- size_t count)
+static ssize_t target_dev_enable_store(struct config_item *item,
+ const char *page, size_t count)
{
- struct se_device *dev = p;
+ struct se_device *dev = to_device(item);
char *ptr;
int ret;
return count;
}
-static struct target_core_configfs_attribute target_core_attr_dev_enable = {
- .attr = { .ca_owner = THIS_MODULE,
- .ca_name = "enable",
- .ca_mode = S_IRUGO | S_IWUSR },
- .show = target_core_show_dev_enable,
- .store = target_core_store_dev_enable,
-};
-
-static ssize_t target_core_show_alua_lu_gp(void *p, char *page)
+static ssize_t target_dev_alua_lu_gp_show(struct config_item *item, char *page)
{
- struct se_device *dev = p;
+ struct se_device *dev = to_device(item);
struct config_item *lu_ci;
struct t10_alua_lu_gp *lu_gp;
struct t10_alua_lu_gp_member *lu_gp_mem;
return len;
}
-static ssize_t target_core_store_alua_lu_gp(
- void *p,
- const char *page,
- size_t count)
+static ssize_t target_dev_alua_lu_gp_store(struct config_item *item,
+ const char *page, size_t count)
{
- struct se_device *dev = p;
+ struct se_device *dev = to_device(item);
struct se_hba *hba = dev->se_hba;
struct t10_alua_lu_gp *lu_gp = NULL, *lu_gp_new = NULL;
struct t10_alua_lu_gp_member *lu_gp_mem;
lu_gp_mem = dev->dev_alua_lu_gp_mem;
if (!lu_gp_mem)
- return 0;
+ return count;
if (count > LU_GROUP_NAME_BUF) {
pr_err("ALUA LU Group Alias too large!\n");
return count;
}
-static struct target_core_configfs_attribute target_core_attr_dev_alua_lu_gp = {
- .attr = { .ca_owner = THIS_MODULE,
- .ca_name = "alua_lu_gp",
- .ca_mode = S_IRUGO | S_IWUSR },
- .show = target_core_show_alua_lu_gp,
- .store = target_core_store_alua_lu_gp,
-};
-
-static struct configfs_attribute *lio_core_dev_attrs[] = {
- &target_core_attr_dev_info.attr,
- &target_core_attr_dev_control.attr,
- &target_core_attr_dev_alias.attr,
- &target_core_attr_dev_udev_path.attr,
- &target_core_attr_dev_enable.attr,
- &target_core_attr_dev_alua_lu_gp.attr,
- NULL,
-};
-
-static void target_core_dev_release(struct config_item *item)
+static ssize_t target_dev_lba_map_show(struct config_item *item, char *page)
{
- struct config_group *dev_cg = to_config_group(item);
- struct se_device *dev =
- container_of(dev_cg, struct se_device, dev_group);
-
- kfree(dev_cg->default_groups);
- target_free_device(dev);
+ struct se_device *dev = to_device(item);
+ struct t10_alua_lba_map *map;
+ struct t10_alua_lba_map_member *mem;
+ char *b = page;
+ int bl = 0;
+ char state;
+
+ spin_lock(&dev->t10_alua.lba_map_lock);
+ if (!list_empty(&dev->t10_alua.lba_map_list))
+ bl += sprintf(b + bl, "%u %u\n",
+ dev->t10_alua.lba_map_segment_size,
+ dev->t10_alua.lba_map_segment_multiplier);
+ list_for_each_entry(map, &dev->t10_alua.lba_map_list, lba_map_list) {
+ bl += sprintf(b + bl, "%llu %llu",
+ map->lba_map_first_lba, map->lba_map_last_lba);
+ list_for_each_entry(mem, &map->lba_map_mem_list,
+ lba_map_mem_list) {
+ switch (mem->lba_map_mem_alua_state) {
+ case ALUA_ACCESS_STATE_ACTIVE_OPTIMIZED:
+ state = 'O';
+ break;
+ case ALUA_ACCESS_STATE_ACTIVE_NON_OPTIMIZED:
+ state = 'A';
+ break;
+ case ALUA_ACCESS_STATE_STANDBY:
+ state = 'S';
+ break;
+ case ALUA_ACCESS_STATE_UNAVAILABLE:
+ state = 'U';
+ break;
+ default:
+ state = '.';
+ break;
+ }
+ bl += sprintf(b + bl, " %d:%c",
+ mem->lba_map_mem_alua_pg_id, state);
+ }
+ bl += sprintf(b + bl, "\n");
+ }
+ spin_unlock(&dev->t10_alua.lba_map_lock);
+ return bl;
}
-static ssize_t target_core_dev_show(struct config_item *item,
- struct configfs_attribute *attr,
- char *page)
+static ssize_t target_dev_lba_map_store(struct config_item *item,
+ const char *page, size_t count)
{
- struct config_group *dev_cg = to_config_group(item);
- struct se_device *dev =
- container_of(dev_cg, struct se_device, dev_group);
- struct target_core_configfs_attribute *tc_attr = container_of(
- attr, struct target_core_configfs_attribute, attr);
+ struct se_device *dev = to_device(item);
+ struct t10_alua_lba_map *lba_map = NULL;
+ struct list_head lba_list;
+ char *map_entries, *ptr;
+ char state;
+ int pg_num = -1, pg;
+ int ret = 0, num = 0, pg_id, alua_state;
+ unsigned long start_lba = -1, end_lba = -1;
+ unsigned long segment_size = -1, segment_mult = -1;
- if (!tc_attr->show)
- return -EINVAL;
+ map_entries = kstrdup(page, GFP_KERNEL);
+ if (!map_entries)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&lba_list);
+ while ((ptr = strsep(&map_entries, "\n")) != NULL) {
+ if (!*ptr)
+ continue;
+
+ if (num == 0) {
+ if (sscanf(ptr, "%lu %lu\n",
+ &segment_size, &segment_mult) != 2) {
+ pr_err("Invalid line %d\n", num);
+ ret = -EINVAL;
+ break;
+ }
+ num++;
+ continue;
+ }
+ if (sscanf(ptr, "%lu %lu", &start_lba, &end_lba) != 2) {
+ pr_err("Invalid line %d\n", num);
+ ret = -EINVAL;
+ break;
+ }
+ ptr = strchr(ptr, ' ');
+ if (!ptr) {
+ pr_err("Invalid line %d, missing end lba\n", num);
+ ret = -EINVAL;
+ break;
+ }
+ ptr++;
+ ptr = strchr(ptr, ' ');
+ if (!ptr) {
+ pr_err("Invalid line %d, missing state definitions\n",
+ num);
+ ret = -EINVAL;
+ break;
+ }
+ ptr++;
+ lba_map = core_alua_allocate_lba_map(&lba_list,
+ start_lba, end_lba);
+ if (IS_ERR(lba_map)) {
+ ret = PTR_ERR(lba_map);
+ break;
+ }
+ pg = 0;
+ while (sscanf(ptr, "%d:%c", &pg_id, &state) == 2) {
+ switch (state) {
+ case 'O':
+ alua_state = ALUA_ACCESS_STATE_ACTIVE_OPTIMIZED;
+ break;
+ case 'A':
+ alua_state = ALUA_ACCESS_STATE_ACTIVE_NON_OPTIMIZED;
+ break;
+ case 'S':
+ alua_state = ALUA_ACCESS_STATE_STANDBY;
+ break;
+ case 'U':
+ alua_state = ALUA_ACCESS_STATE_UNAVAILABLE;
+ break;
+ default:
+ pr_err("Invalid ALUA state '%c'\n", state);
+ ret = -EINVAL;
+ goto out;
+ }
- return tc_attr->show(dev, page);
+ ret = core_alua_allocate_lba_map_mem(lba_map,
+ pg_id, alua_state);
+ if (ret) {
+ pr_err("Invalid target descriptor %d:%c "
+ "at line %d\n",
+ pg_id, state, num);
+ break;
+ }
+ pg++;
+ ptr = strchr(ptr, ' ');
+ if (ptr)
+ ptr++;
+ else
+ break;
+ }
+ if (pg_num == -1)
+ pg_num = pg;
+ else if (pg != pg_num) {
+ pr_err("Only %d from %d port groups definitions "
+ "at line %d\n", pg, pg_num, num);
+ ret = -EINVAL;
+ break;
+ }
+ num++;
+ }
+out:
+ if (ret) {
+ core_alua_free_lba_map(&lba_list);
+ count = ret;
+ } else
+ core_alua_set_lba_map(dev, &lba_list,
+ segment_size, segment_mult);
+ kfree(map_entries);
+ return count;
}
-static ssize_t target_core_dev_store(struct config_item *item,
- struct configfs_attribute *attr,
- const char *page, size_t count)
+CONFIGFS_ATTR_RO(target_dev_, info);
+CONFIGFS_ATTR_WO(target_dev_, control);
+CONFIGFS_ATTR(target_dev_, alias);
+CONFIGFS_ATTR(target_dev_, udev_path);
+CONFIGFS_ATTR(target_dev_, enable);
+CONFIGFS_ATTR(target_dev_, alua_lu_gp);
+CONFIGFS_ATTR(target_dev_, lba_map);
+
+static struct configfs_attribute *target_core_dev_attrs[] = {
+ &target_dev_attr_info,
+ &target_dev_attr_control,
+ &target_dev_attr_alias,
+ &target_dev_attr_udev_path,
+ &target_dev_attr_enable,
+ &target_dev_attr_alua_lu_gp,
+ &target_dev_attr_lba_map,
+ NULL,
+};
+
+static void target_core_dev_release(struct config_item *item)
{
struct config_group *dev_cg = to_config_group(item);
struct se_device *dev =
container_of(dev_cg, struct se_device, dev_group);
- struct target_core_configfs_attribute *tc_attr = container_of(
- attr, struct target_core_configfs_attribute, attr);
-
- if (!tc_attr->store)
- return -EINVAL;
- return tc_attr->store(dev, page, count);
+ kfree(dev_cg->default_groups);
+ target_free_device(dev);
}
static struct configfs_item_operations target_core_dev_item_ops = {
.release = target_core_dev_release,
- .show_attribute = target_core_dev_show,
- .store_attribute = target_core_dev_store,
};
-static struct config_item_type target_core_dev_cit = {
- .ct_item_ops = &target_core_dev_item_ops,
- .ct_attrs = lio_core_dev_attrs,
- .ct_owner = THIS_MODULE,
-};
+TB_CIT_SETUP(dev, &target_core_dev_item_ops, NULL, target_core_dev_attrs);
-/* End functions for struct config_item_type target_core_dev_cit */
+/* End functions for struct config_item_type tb_dev_cit */
/* Start functions for struct config_item_type target_core_alua_lu_gp_cit */
-CONFIGFS_EATTR_STRUCT(target_core_alua_lu_gp, t10_alua_lu_gp);
-#define SE_DEV_ALUA_LU_ATTR(_name, _mode) \
-static struct target_core_alua_lu_gp_attribute \
- target_core_alua_lu_gp_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- target_core_alua_lu_gp_show_attr_##_name, \
- target_core_alua_lu_gp_store_attr_##_name);
-
-#define SE_DEV_ALUA_LU_ATTR_RO(_name) \
-static struct target_core_alua_lu_gp_attribute \
- target_core_alua_lu_gp_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- target_core_alua_lu_gp_show_attr_##_name);
+static inline struct t10_alua_lu_gp *to_lu_gp(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct t10_alua_lu_gp,
+ lu_gp_group);
+}
-/*
- * lu_gp_id
- */
-static ssize_t target_core_alua_lu_gp_show_attr_lu_gp_id(
- struct t10_alua_lu_gp *lu_gp,
- char *page)
+static ssize_t target_lu_gp_lu_gp_id_show(struct config_item *item, char *page)
{
+ struct t10_alua_lu_gp *lu_gp = to_lu_gp(item);
+
if (!lu_gp->lu_gp_valid_id)
return 0;
-
return sprintf(page, "%hu\n", lu_gp->lu_gp_id);
}
-static ssize_t target_core_alua_lu_gp_store_attr_lu_gp_id(
- struct t10_alua_lu_gp *lu_gp,
- const char *page,
- size_t count)
+static ssize_t target_lu_gp_lu_gp_id_store(struct config_item *item,
+ const char *page, size_t count)
{
+ struct t10_alua_lu_gp *lu_gp = to_lu_gp(item);
struct config_group *alua_lu_gp_cg = &lu_gp->lu_gp_group;
unsigned long lu_gp_id;
int ret;
- ret = strict_strtoul(page, 0, &lu_gp_id);
+ ret = kstrtoul(page, 0, &lu_gp_id);
if (ret < 0) {
- pr_err("strict_strtoul() returned %d for"
+ pr_err("kstrtoul() returned %d for"
" lu_gp_id\n", ret);
- return -EINVAL;
+ return ret;
}
if (lu_gp_id > 0x0000ffff) {
pr_err("ALUA lu_gp_id: %lu exceeds maximum:"
return count;
}
-SE_DEV_ALUA_LU_ATTR(lu_gp_id, S_IRUGO | S_IWUSR);
-
-/*
- * members
- */
-static ssize_t target_core_alua_lu_gp_show_attr_members(
- struct t10_alua_lu_gp *lu_gp,
- char *page)
+static ssize_t target_lu_gp_members_show(struct config_item *item, char *page)
{
+ struct t10_alua_lu_gp *lu_gp = to_lu_gp(item);
struct se_device *dev;
struct se_hba *hba;
struct t10_alua_lu_gp_member *lu_gp_mem;
return len;
}
-SE_DEV_ALUA_LU_ATTR_RO(members);
-
-CONFIGFS_EATTR_OPS(target_core_alua_lu_gp, t10_alua_lu_gp, lu_gp_group);
+CONFIGFS_ATTR(target_lu_gp_, lu_gp_id);
+CONFIGFS_ATTR_RO(target_lu_gp_, members);
static struct configfs_attribute *target_core_alua_lu_gp_attrs[] = {
- &target_core_alua_lu_gp_lu_gp_id.attr,
- &target_core_alua_lu_gp_members.attr,
+ &target_lu_gp_attr_lu_gp_id,
+ &target_lu_gp_attr_members,
NULL,
};
static struct configfs_item_operations target_core_alua_lu_gp_ops = {
.release = target_core_alua_lu_gp_release,
- .show_attribute = target_core_alua_lu_gp_attr_show,
- .store_attribute = target_core_alua_lu_gp_attr_store,
};
static struct config_item_type target_core_alua_lu_gp_cit = {
/* Start functions for struct config_item_type target_core_alua_tg_pt_gp_cit */
-CONFIGFS_EATTR_STRUCT(target_core_alua_tg_pt_gp, t10_alua_tg_pt_gp);
-#define SE_DEV_ALUA_TG_PT_ATTR(_name, _mode) \
-static struct target_core_alua_tg_pt_gp_attribute \
- target_core_alua_tg_pt_gp_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- target_core_alua_tg_pt_gp_show_attr_##_name, \
- target_core_alua_tg_pt_gp_store_attr_##_name);
-
-#define SE_DEV_ALUA_TG_PT_ATTR_RO(_name) \
-static struct target_core_alua_tg_pt_gp_attribute \
- target_core_alua_tg_pt_gp_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- target_core_alua_tg_pt_gp_show_attr_##_name);
+static inline struct t10_alua_tg_pt_gp *to_tg_pt_gp(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct t10_alua_tg_pt_gp,
+ tg_pt_gp_group);
+}
-/*
- * alua_access_state
- */
-static ssize_t target_core_alua_tg_pt_gp_show_attr_alua_access_state(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- char *page)
+static ssize_t target_tg_pt_gp_alua_access_state_show(struct config_item *item,
+ char *page)
{
return sprintf(page, "%d\n",
- atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state));
+ atomic_read(&to_tg_pt_gp(item)->tg_pt_gp_alua_access_state));
}
-static ssize_t target_core_alua_tg_pt_gp_store_attr_alua_access_state(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- const char *page,
- size_t count)
+static ssize_t target_tg_pt_gp_alua_access_state_store(struct config_item *item,
+ const char *page, size_t count)
{
+ struct t10_alua_tg_pt_gp *tg_pt_gp = to_tg_pt_gp(item);
struct se_device *dev = tg_pt_gp->tg_pt_gp_dev;
unsigned long tmp;
int new_state, ret;
if (!tg_pt_gp->tg_pt_gp_valid_id) {
- pr_err("Unable to do implict ALUA on non valid"
+ pr_err("Unable to do implicit ALUA on non valid"
" tg_pt_gp ID: %hu\n", tg_pt_gp->tg_pt_gp_valid_id);
return -EINVAL;
}
+ if (!(dev->dev_flags & DF_CONFIGURED)) {
+ pr_err("Unable to set alua_access_state while device is"
+ " not configured\n");
+ return -ENODEV;
+ }
- ret = strict_strtoul(page, 0, &tmp);
+ ret = kstrtoul(page, 0, &tmp);
if (ret < 0) {
pr_err("Unable to extract new ALUA access state from"
" %s\n", page);
- return -EINVAL;
+ return ret;
}
new_state = (int)tmp;
- if (!(tg_pt_gp->tg_pt_gp_alua_access_type & TPGS_IMPLICT_ALUA)) {
- pr_err("Unable to process implict configfs ALUA"
- " transition while TPGS_IMPLICT_ALUA is disabled\n");
+ if (!(tg_pt_gp->tg_pt_gp_alua_access_type & TPGS_IMPLICIT_ALUA)) {
+ pr_err("Unable to process implicit configfs ALUA"
+ " transition while TPGS_IMPLICIT_ALUA is disabled\n");
+ return -EINVAL;
+ }
+ if (tg_pt_gp->tg_pt_gp_alua_access_type & TPGS_EXPLICIT_ALUA &&
+ new_state == ALUA_ACCESS_STATE_LBA_DEPENDENT) {
+ /* LBA DEPENDENT is only allowed with implicit ALUA */
+ pr_err("Unable to process implicit configfs ALUA transition"
+ " while explicit ALUA management is enabled\n");
return -EINVAL;
}
return (!ret) ? count : -EINVAL;
}
-SE_DEV_ALUA_TG_PT_ATTR(alua_access_state, S_IRUGO | S_IWUSR);
-
-/*
- * alua_access_status
- */
-static ssize_t target_core_alua_tg_pt_gp_show_attr_alua_access_status(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- char *page)
+static ssize_t target_tg_pt_gp_alua_access_status_show(struct config_item *item,
+ char *page)
{
+ struct t10_alua_tg_pt_gp *tg_pt_gp = to_tg_pt_gp(item);
return sprintf(page, "%s\n",
core_alua_dump_status(tg_pt_gp->tg_pt_gp_alua_access_status));
}
-static ssize_t target_core_alua_tg_pt_gp_store_attr_alua_access_status(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- const char *page,
- size_t count)
+static ssize_t target_tg_pt_gp_alua_access_status_store(
+ struct config_item *item, const char *page, size_t count)
{
+ struct t10_alua_tg_pt_gp *tg_pt_gp = to_tg_pt_gp(item);
unsigned long tmp;
int new_status, ret;
return -EINVAL;
}
- ret = strict_strtoul(page, 0, &tmp);
+ ret = kstrtoul(page, 0, &tmp);
if (ret < 0) {
pr_err("Unable to extract new ALUA access status"
" from %s\n", page);
- return -EINVAL;
+ return ret;
}
new_status = (int)tmp;
if ((new_status != ALUA_STATUS_NONE) &&
- (new_status != ALUA_STATUS_ALTERED_BY_EXPLICT_STPG) &&
- (new_status != ALUA_STATUS_ALTERED_BY_IMPLICT_ALUA)) {
+ (new_status != ALUA_STATUS_ALTERED_BY_EXPLICIT_STPG) &&
+ (new_status != ALUA_STATUS_ALTERED_BY_IMPLICIT_ALUA)) {
pr_err("Illegal ALUA access status: 0x%02x\n",
new_status);
return -EINVAL;
return count;
}
-SE_DEV_ALUA_TG_PT_ATTR(alua_access_status, S_IRUGO | S_IWUSR);
-
-/*
- * alua_access_type
- */
-static ssize_t target_core_alua_tg_pt_gp_show_attr_alua_access_type(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- char *page)
+static ssize_t target_tg_pt_gp_alua_access_type_show(struct config_item *item,
+ char *page)
{
- return core_alua_show_access_type(tg_pt_gp, page);
+ return core_alua_show_access_type(to_tg_pt_gp(item), page);
}
-static ssize_t target_core_alua_tg_pt_gp_store_attr_alua_access_type(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- const char *page,
- size_t count)
+static ssize_t target_tg_pt_gp_alua_access_type_store(struct config_item *item,
+ const char *page, size_t count)
{
- return core_alua_store_access_type(tg_pt_gp, page, count);
+ return core_alua_store_access_type(to_tg_pt_gp(item), page, count);
+}
+
+#define ALUA_SUPPORTED_STATE_ATTR(_name, _bit) \
+static ssize_t target_tg_pt_gp_alua_support_##_name##_show( \
+ struct config_item *item, char *p) \
+{ \
+ struct t10_alua_tg_pt_gp *t = to_tg_pt_gp(item); \
+ return sprintf(p, "%d\n", \
+ !!(t->tg_pt_gp_alua_supported_states & _bit)); \
+} \
+ \
+static ssize_t target_tg_pt_gp_alua_support_##_name##_store( \
+ struct config_item *item, const char *p, size_t c) \
+{ \
+ struct t10_alua_tg_pt_gp *t = to_tg_pt_gp(item); \
+ unsigned long tmp; \
+ int ret; \
+ \
+ if (!t->tg_pt_gp_valid_id) { \
+ pr_err("Unable to do set ##_name ALUA state on non" \
+ " valid tg_pt_gp ID: %hu\n", \
+ t->tg_pt_gp_valid_id); \
+ return -EINVAL; \
+ } \
+ \
+ ret = kstrtoul(p, 0, &tmp); \
+ if (ret < 0) { \
+ pr_err("Invalid value '%s', must be '0' or '1'\n", p); \
+ return -EINVAL; \
+ } \
+ if (tmp > 1) { \
+ pr_err("Invalid value '%ld', must be '0' or '1'\n", tmp); \
+ return -EINVAL; \
+ } \
+ if (tmp) \
+ t->tg_pt_gp_alua_supported_states |= _bit; \
+ else \
+ t->tg_pt_gp_alua_supported_states &= ~_bit; \
+ \
+ return c; \
}
-SE_DEV_ALUA_TG_PT_ATTR(alua_access_type, S_IRUGO | S_IWUSR);
+ALUA_SUPPORTED_STATE_ATTR(transitioning, ALUA_T_SUP);
+ALUA_SUPPORTED_STATE_ATTR(offline, ALUA_O_SUP);
+ALUA_SUPPORTED_STATE_ATTR(lba_dependent, ALUA_LBD_SUP);
+ALUA_SUPPORTED_STATE_ATTR(unavailable, ALUA_U_SUP);
+ALUA_SUPPORTED_STATE_ATTR(standby, ALUA_S_SUP);
+ALUA_SUPPORTED_STATE_ATTR(active_optimized, ALUA_AO_SUP);
+ALUA_SUPPORTED_STATE_ATTR(active_nonoptimized, ALUA_AN_SUP);
-/*
- * alua_write_metadata
- */
-static ssize_t target_core_alua_tg_pt_gp_show_attr_alua_write_metadata(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- char *page)
+static ssize_t target_tg_pt_gp_alua_write_metadata_show(
+ struct config_item *item, char *page)
{
- return sprintf(page, "%d\n", tg_pt_gp->tg_pt_gp_write_metadata);
+ return sprintf(page, "%d\n",
+ to_tg_pt_gp(item)->tg_pt_gp_write_metadata);
}
-static ssize_t target_core_alua_tg_pt_gp_store_attr_alua_write_metadata(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- const char *page,
- size_t count)
+static ssize_t target_tg_pt_gp_alua_write_metadata_store(
+ struct config_item *item, const char *page, size_t count)
{
+ struct t10_alua_tg_pt_gp *tg_pt_gp = to_tg_pt_gp(item);
unsigned long tmp;
int ret;
- ret = strict_strtoul(page, 0, &tmp);
+ ret = kstrtoul(page, 0, &tmp);
if (ret < 0) {
pr_err("Unable to extract alua_write_metadata\n");
- return -EINVAL;
+ return ret;
}
if ((tmp != 0) && (tmp != 1)) {
return count;
}
-SE_DEV_ALUA_TG_PT_ATTR(alua_write_metadata, S_IRUGO | S_IWUSR);
-
-
-
-/*
- * nonop_delay_msecs
- */
-static ssize_t target_core_alua_tg_pt_gp_show_attr_nonop_delay_msecs(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- char *page)
+static ssize_t target_tg_pt_gp_nonop_delay_msecs_show(struct config_item *item,
+ char *page)
{
- return core_alua_show_nonop_delay_msecs(tg_pt_gp, page);
-
+ return core_alua_show_nonop_delay_msecs(to_tg_pt_gp(item), page);
}
-static ssize_t target_core_alua_tg_pt_gp_store_attr_nonop_delay_msecs(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- const char *page,
- size_t count)
+static ssize_t target_tg_pt_gp_nonop_delay_msecs_store(struct config_item *item,
+ const char *page, size_t count)
{
- return core_alua_store_nonop_delay_msecs(tg_pt_gp, page, count);
+ return core_alua_store_nonop_delay_msecs(to_tg_pt_gp(item), page,
+ count);
}
-SE_DEV_ALUA_TG_PT_ATTR(nonop_delay_msecs, S_IRUGO | S_IWUSR);
-
-/*
- * trans_delay_msecs
- */
-static ssize_t target_core_alua_tg_pt_gp_show_attr_trans_delay_msecs(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- char *page)
+static ssize_t target_tg_pt_gp_trans_delay_msecs_show(struct config_item *item,
+ char *page)
{
- return core_alua_show_trans_delay_msecs(tg_pt_gp, page);
+ return core_alua_show_trans_delay_msecs(to_tg_pt_gp(item), page);
}
-static ssize_t target_core_alua_tg_pt_gp_store_attr_trans_delay_msecs(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- const char *page,
- size_t count)
+static ssize_t target_tg_pt_gp_trans_delay_msecs_store(struct config_item *item,
+ const char *page, size_t count)
{
- return core_alua_store_trans_delay_msecs(tg_pt_gp, page, count);
+ return core_alua_store_trans_delay_msecs(to_tg_pt_gp(item), page,
+ count);
}
-SE_DEV_ALUA_TG_PT_ATTR(trans_delay_msecs, S_IRUGO | S_IWUSR);
-
-/*
- * implict_trans_secs
- */
-static ssize_t target_core_alua_tg_pt_gp_show_attr_implict_trans_secs(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- char *page)
+static ssize_t target_tg_pt_gp_implicit_trans_secs_show(
+ struct config_item *item, char *page)
{
- return core_alua_show_implict_trans_secs(tg_pt_gp, page);
+ return core_alua_show_implicit_trans_secs(to_tg_pt_gp(item), page);
}
-static ssize_t target_core_alua_tg_pt_gp_store_attr_implict_trans_secs(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- const char *page,
- size_t count)
+static ssize_t target_tg_pt_gp_implicit_trans_secs_store(
+ struct config_item *item, const char *page, size_t count)
{
- return core_alua_store_implict_trans_secs(tg_pt_gp, page, count);
+ return core_alua_store_implicit_trans_secs(to_tg_pt_gp(item), page,
+ count);
}
-SE_DEV_ALUA_TG_PT_ATTR(implict_trans_secs, S_IRUGO | S_IWUSR);
-
-/*
- * preferred
- */
-
-static ssize_t target_core_alua_tg_pt_gp_show_attr_preferred(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- char *page)
+static ssize_t target_tg_pt_gp_preferred_show(struct config_item *item,
+ char *page)
{
- return core_alua_show_preferred_bit(tg_pt_gp, page);
+ return core_alua_show_preferred_bit(to_tg_pt_gp(item), page);
}
-static ssize_t target_core_alua_tg_pt_gp_store_attr_preferred(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- const char *page,
- size_t count)
+static ssize_t target_tg_pt_gp_preferred_store(struct config_item *item,
+ const char *page, size_t count)
{
- return core_alua_store_preferred_bit(tg_pt_gp, page, count);
+ return core_alua_store_preferred_bit(to_tg_pt_gp(item), page, count);
}
-SE_DEV_ALUA_TG_PT_ATTR(preferred, S_IRUGO | S_IWUSR);
-
-/*
- * tg_pt_gp_id
- */
-static ssize_t target_core_alua_tg_pt_gp_show_attr_tg_pt_gp_id(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- char *page)
+static ssize_t target_tg_pt_gp_tg_pt_gp_id_show(struct config_item *item,
+ char *page)
{
+ struct t10_alua_tg_pt_gp *tg_pt_gp = to_tg_pt_gp(item);
+
if (!tg_pt_gp->tg_pt_gp_valid_id)
return 0;
-
return sprintf(page, "%hu\n", tg_pt_gp->tg_pt_gp_id);
}
-static ssize_t target_core_alua_tg_pt_gp_store_attr_tg_pt_gp_id(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- const char *page,
- size_t count)
+static ssize_t target_tg_pt_gp_tg_pt_gp_id_store(struct config_item *item,
+ const char *page, size_t count)
{
+ struct t10_alua_tg_pt_gp *tg_pt_gp = to_tg_pt_gp(item);
struct config_group *alua_tg_pt_gp_cg = &tg_pt_gp->tg_pt_gp_group;
unsigned long tg_pt_gp_id;
int ret;
- ret = strict_strtoul(page, 0, &tg_pt_gp_id);
+ ret = kstrtoul(page, 0, &tg_pt_gp_id);
if (ret < 0) {
- pr_err("strict_strtoul() returned %d for"
+ pr_err("kstrtoul() returned %d for"
" tg_pt_gp_id\n", ret);
- return -EINVAL;
+ return ret;
}
if (tg_pt_gp_id > 0x0000ffff) {
pr_err("ALUA tg_pt_gp_id: %lu exceeds maximum:"
return count;
}
-SE_DEV_ALUA_TG_PT_ATTR(tg_pt_gp_id, S_IRUGO | S_IWUSR);
-
-/*
- * members
- */
-static ssize_t target_core_alua_tg_pt_gp_show_attr_members(
- struct t10_alua_tg_pt_gp *tg_pt_gp,
- char *page)
+static ssize_t target_tg_pt_gp_members_show(struct config_item *item,
+ char *page)
{
- struct se_port *port;
- struct se_portal_group *tpg;
+ struct t10_alua_tg_pt_gp *tg_pt_gp = to_tg_pt_gp(item);
struct se_lun *lun;
- struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
ssize_t len = 0, cur_len;
unsigned char buf[TG_PT_GROUP_NAME_BUF];
memset(buf, 0, TG_PT_GROUP_NAME_BUF);
spin_lock(&tg_pt_gp->tg_pt_gp_lock);
- list_for_each_entry(tg_pt_gp_mem, &tg_pt_gp->tg_pt_gp_mem_list,
- tg_pt_gp_mem_list) {
- port = tg_pt_gp_mem->tg_pt;
- tpg = port->sep_tpg;
- lun = port->sep_lun;
+ list_for_each_entry(lun, &tg_pt_gp->tg_pt_gp_lun_list,
+ lun_tg_pt_gp_link) {
+ struct se_portal_group *tpg = lun->lun_tpg;
cur_len = snprintf(buf, TG_PT_GROUP_NAME_BUF, "%s/%s/tpgt_%hu"
"/%s\n", tpg->se_tpg_tfo->get_fabric_name(),
return len;
}
-SE_DEV_ALUA_TG_PT_ATTR_RO(members);
-
-CONFIGFS_EATTR_OPS(target_core_alua_tg_pt_gp, t10_alua_tg_pt_gp,
- tg_pt_gp_group);
+CONFIGFS_ATTR(target_tg_pt_gp_, alua_access_state);
+CONFIGFS_ATTR(target_tg_pt_gp_, alua_access_status);
+CONFIGFS_ATTR(target_tg_pt_gp_, alua_access_type);
+CONFIGFS_ATTR(target_tg_pt_gp_, alua_support_transitioning);
+CONFIGFS_ATTR(target_tg_pt_gp_, alua_support_offline);
+CONFIGFS_ATTR(target_tg_pt_gp_, alua_support_lba_dependent);
+CONFIGFS_ATTR(target_tg_pt_gp_, alua_support_unavailable);
+CONFIGFS_ATTR(target_tg_pt_gp_, alua_support_standby);
+CONFIGFS_ATTR(target_tg_pt_gp_, alua_support_active_optimized);
+CONFIGFS_ATTR(target_tg_pt_gp_, alua_support_active_nonoptimized);
+CONFIGFS_ATTR(target_tg_pt_gp_, alua_write_metadata);
+CONFIGFS_ATTR(target_tg_pt_gp_, nonop_delay_msecs);
+CONFIGFS_ATTR(target_tg_pt_gp_, trans_delay_msecs);
+CONFIGFS_ATTR(target_tg_pt_gp_, implicit_trans_secs);
+CONFIGFS_ATTR(target_tg_pt_gp_, preferred);
+CONFIGFS_ATTR(target_tg_pt_gp_, tg_pt_gp_id);
+CONFIGFS_ATTR_RO(target_tg_pt_gp_, members);
static struct configfs_attribute *target_core_alua_tg_pt_gp_attrs[] = {
- &target_core_alua_tg_pt_gp_alua_access_state.attr,
- &target_core_alua_tg_pt_gp_alua_access_status.attr,
- &target_core_alua_tg_pt_gp_alua_access_type.attr,
- &target_core_alua_tg_pt_gp_alua_write_metadata.attr,
- &target_core_alua_tg_pt_gp_nonop_delay_msecs.attr,
- &target_core_alua_tg_pt_gp_trans_delay_msecs.attr,
- &target_core_alua_tg_pt_gp_implict_trans_secs.attr,
- &target_core_alua_tg_pt_gp_preferred.attr,
- &target_core_alua_tg_pt_gp_tg_pt_gp_id.attr,
- &target_core_alua_tg_pt_gp_members.attr,
+ &target_tg_pt_gp_attr_alua_access_state,
+ &target_tg_pt_gp_attr_alua_access_status,
+ &target_tg_pt_gp_attr_alua_access_type,
+ &target_tg_pt_gp_attr_alua_support_transitioning,
+ &target_tg_pt_gp_attr_alua_support_offline,
+ &target_tg_pt_gp_attr_alua_support_lba_dependent,
+ &target_tg_pt_gp_attr_alua_support_unavailable,
+ &target_tg_pt_gp_attr_alua_support_standby,
+ &target_tg_pt_gp_attr_alua_support_active_nonoptimized,
+ &target_tg_pt_gp_attr_alua_support_active_optimized,
+ &target_tg_pt_gp_attr_alua_write_metadata,
+ &target_tg_pt_gp_attr_nonop_delay_msecs,
+ &target_tg_pt_gp_attr_trans_delay_msecs,
+ &target_tg_pt_gp_attr_implicit_trans_secs,
+ &target_tg_pt_gp_attr_preferred,
+ &target_tg_pt_gp_attr_tg_pt_gp_id,
+ &target_tg_pt_gp_attr_members,
NULL,
};
static struct configfs_item_operations target_core_alua_tg_pt_gp_ops = {
.release = target_core_alua_tg_pt_gp_release,
- .show_attribute = target_core_alua_tg_pt_gp_attr_show,
- .store_attribute = target_core_alua_tg_pt_gp_attr_store,
};
static struct config_item_type target_core_alua_tg_pt_gp_cit = {
/* End functions for struct config_item_type target_core_alua_tg_pt_gp_cit */
-/* Start functions for struct config_item_type target_core_alua_tg_pt_gps_cit */
+/* Start functions for struct config_item_type tb_alua_tg_pt_gps_cit */
static struct config_group *target_core_alua_create_tg_pt_gp(
struct config_group *group,
.drop_item = &target_core_alua_drop_tg_pt_gp,
};
-static struct config_item_type target_core_alua_tg_pt_gps_cit = {
- .ct_group_ops = &target_core_alua_tg_pt_gps_group_ops,
- .ct_owner = THIS_MODULE,
-};
+TB_CIT_SETUP(dev_alua_tg_pt_gps, NULL, &target_core_alua_tg_pt_gps_group_ops, NULL);
-/* End functions for struct config_item_type target_core_alua_tg_pt_gps_cit */
+/* End functions for struct config_item_type tb_alua_tg_pt_gps_cit */
/* Start functions for struct config_item_type target_core_alua_cit */
/* End functions for struct config_item_type target_core_alua_cit */
-/* Start functions for struct config_item_type target_core_stat_cit */
+/* Start functions for struct config_item_type tb_dev_stat_cit */
static struct config_group *target_core_stat_mkdir(
struct config_group *group,
.drop_item = &target_core_stat_rmdir,
};
-static struct config_item_type target_core_stat_cit = {
- .ct_group_ops = &target_core_stat_group_ops,
- .ct_owner = THIS_MODULE,
-};
+TB_CIT_SETUP(dev_stat, NULL, &target_core_stat_group_ops, NULL);
-/* End functions for struct config_item_type target_core_stat_cit */
+/* End functions for struct config_item_type tb_dev_stat_cit */
/* Start functions for struct config_item_type target_core_hba_cit */
const char *name)
{
struct t10_alua_tg_pt_gp *tg_pt_gp;
- struct se_subsystem_api *t;
struct config_item *hba_ci = &group->cg_item;
struct se_hba *hba = item_to_hba(hba_ci);
+ struct target_backend *tb = hba->backend;
struct se_device *dev;
struct config_group *dev_cg = NULL, *tg_pt_gp_cg = NULL;
struct config_group *dev_stat_grp = NULL;
ret = mutex_lock_interruptible(&hba->hba_access_mutex);
if (ret)
return ERR_PTR(ret);
- /*
- * Locate the struct se_subsystem_api from parent's struct se_hba.
- */
- t = hba->transport;
dev = target_alloc_device(hba, name);
if (!dev)
if (!dev_cg->default_groups)
goto out_free_device;
- config_group_init_type_name(dev_cg, name, &target_core_dev_cit);
+ config_group_init_type_name(dev_cg, name, &tb->tb_dev_cit);
config_group_init_type_name(&dev->dev_attrib.da_group, "attrib",
- &target_core_dev_attrib_cit);
+ &tb->tb_dev_attrib_cit);
config_group_init_type_name(&dev->dev_pr_group, "pr",
- &target_core_dev_pr_cit);
+ &tb->tb_dev_pr_cit);
config_group_init_type_name(&dev->t10_wwn.t10_wwn_group, "wwn",
- &target_core_dev_wwn_cit);
+ &tb->tb_dev_wwn_cit);
config_group_init_type_name(&dev->t10_alua.alua_tg_pt_gps_group,
- "alua", &target_core_alua_tg_pt_gps_cit);
+ "alua", &tb->tb_dev_alua_tg_pt_gps_cit);
config_group_init_type_name(&dev->dev_stat_grps.stat_group,
- "statistics", &target_core_stat_cit);
+ "statistics", &tb->tb_dev_stat_cit);
dev_cg->default_groups[0] = &dev->dev_attrib.da_group;
dev_cg->default_groups[1] = &dev->dev_pr_group;
.drop_item = target_core_drop_subdev,
};
-CONFIGFS_EATTR_STRUCT(target_core_hba, se_hba);
-#define SE_HBA_ATTR(_name, _mode) \
-static struct target_core_hba_attribute \
- target_core_hba_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- target_core_hba_show_attr_##_name, \
- target_core_hba_store_attr_##_name);
-#define SE_HBA_ATTR_RO(_name) \
-static struct target_core_hba_attribute \
- target_core_hba_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- target_core_hba_show_attr_##_name);
+static inline struct se_hba *to_hba(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct se_hba, hba_group);
+}
-static ssize_t target_core_hba_show_attr_hba_info(
- struct se_hba *hba,
- char *page)
+static ssize_t target_hba_info_show(struct config_item *item, char *page)
{
+ struct se_hba *hba = to_hba(item);
+
return sprintf(page, "HBA Index: %d plugin: %s version: %s\n",
- hba->hba_id, hba->transport->name,
- TARGET_CORE_CONFIGFS_VERSION);
+ hba->hba_id, hba->backend->ops->name,
+ TARGET_CORE_VERSION);
}
-SE_HBA_ATTR_RO(hba_info);
-
-static ssize_t target_core_hba_show_attr_hba_mode(struct se_hba *hba,
- char *page)
+static ssize_t target_hba_mode_show(struct config_item *item, char *page)
{
+ struct se_hba *hba = to_hba(item);
int hba_mode = 0;
if (hba->hba_flags & HBA_FLAGS_PSCSI_MODE)
return sprintf(page, "%d\n", hba_mode);
}
-static ssize_t target_core_hba_store_attr_hba_mode(struct se_hba *hba,
- const char *page, size_t count)
+static ssize_t target_hba_mode_store(struct config_item *item,
+ const char *page, size_t count)
{
- struct se_subsystem_api *transport = hba->transport;
+ struct se_hba *hba = to_hba(item);
unsigned long mode_flag;
int ret;
- if (transport->pmode_enable_hba == NULL)
+ if (hba->backend->ops->pmode_enable_hba == NULL)
return -EINVAL;
- ret = strict_strtoul(page, 0, &mode_flag);
+ ret = kstrtoul(page, 0, &mode_flag);
if (ret < 0) {
pr_err("Unable to extract hba mode flag: %d\n", ret);
- return -EINVAL;
+ return ret;
}
if (hba->dev_count) {
return -EINVAL;
}
- ret = transport->pmode_enable_hba(hba, mode_flag);
+ ret = hba->backend->ops->pmode_enable_hba(hba, mode_flag);
if (ret < 0)
return -EINVAL;
if (ret > 0)
return count;
}
-SE_HBA_ATTR(hba_mode, S_IRUGO | S_IWUSR);
-
-CONFIGFS_EATTR_OPS(target_core_hba, se_hba, hba_group);
+CONFIGFS_ATTR_RO(target_, hba_info);
+CONFIGFS_ATTR(target_, hba_mode);
static void target_core_hba_release(struct config_item *item)
{
}
static struct configfs_attribute *target_core_hba_attrs[] = {
- &target_core_hba_hba_info.attr,
- &target_core_hba_hba_mode.attr,
+ &target_attr_hba_info,
+ &target_attr_hba_mode,
NULL,
};
static struct configfs_item_operations target_core_hba_item_ops = {
.release = target_core_hba_release,
- .show_attribute = target_core_hba_attr_show,
- .store_attribute = target_core_hba_attr_store,
};
static struct config_item_type target_core_hba_cit = {
str++; /* Skip to start of plugin dependent ID */
}
- ret = strict_strtoul(str, 0, &plugin_dep_id);
+ ret = kstrtoul(str, 0, &plugin_dep_id);
if (ret < 0) {
- pr_err("strict_strtoul() returned %d for"
+ pr_err("kstrtoul() returned %d for"
" plugin_dep_id\n", ret);
- return ERR_PTR(-EINVAL);
+ return ERR_PTR(ret);
}
/*
* Load up TCM subsystem plugins if they have not already been loaded.
/* Stop functions for struct config_item_type target_core_hba_cit */
+void target_setup_backend_cits(struct target_backend *tb)
+{
+ target_core_setup_dev_cit(tb);
+ target_core_setup_dev_attrib_cit(tb);
+ target_core_setup_dev_pr_cit(tb);
+ target_core_setup_dev_wwn_cit(tb);
+ target_core_setup_dev_alua_tg_pt_gps_cit(tb);
+ target_core_setup_dev_stat_cit(tb);
+}
+
static int __init target_core_init_configfs(void)
{
struct config_group *target_cg, *hba_cg = NULL, *alua_cg = NULL;
struct config_group *lu_gp_cg = NULL;
- struct configfs_subsystem *subsys;
+ struct configfs_subsystem *subsys = &target_core_fabrics;
struct t10_alua_lu_gp *lu_gp;
int ret;
" Engine: %s on %s/%s on "UTS_RELEASE"\n",
TARGET_CORE_VERSION, utsname()->sysname, utsname()->machine);
- subsys = target_core_subsystem[0];
config_group_init(&subsys->su_group);
mutex_init(&subsys->su_mutex);
* and ALUA Logical Unit Group and Target Port Group infrastructure.
*/
target_cg = &subsys->su_group;
- target_cg->default_groups = kmalloc(sizeof(struct config_group) * 2,
+ target_cg->default_groups = kmalloc(sizeof(struct config_group *) * 2,
GFP_KERNEL);
if (!target_cg->default_groups) {
pr_err("Unable to allocate target_cg->default_groups\n");
goto out_global;
}
pr_debug("TARGET_CORE[0]: Initialized ConfigFS Fabric"
- " Infrastructure: "TARGET_CORE_CONFIGFS_VERSION" on %s/%s"
+ " Infrastructure: "TARGET_CORE_VERSION" on %s/%s"
" on "UTS_RELEASE"\n", utsname()->sysname, utsname()->machine);
/*
* Register built-in RAMDISK subsystem logic for virtual LUN 0
if (ret < 0)
goto out;
+ ret = target_xcopy_setup_pt();
+ if (ret < 0)
+ goto out;
+
return 0;
out:
static void __exit target_core_exit_configfs(void)
{
- struct configfs_subsystem *subsys;
struct config_group *hba_cg, *alua_cg, *lu_gp_cg;
struct config_item *item;
int i;
- subsys = target_core_subsystem[0];
-
lu_gp_cg = &alua_lu_gps_group;
for (i = 0; lu_gp_cg->default_groups[i]; i++) {
item = &lu_gp_cg->default_groups[i]->cg_item;
* We expect subsys->su_group.default_groups to be released
* by configfs subsystem provider logic..
*/
- configfs_unregister_subsystem(subsys);
- kfree(subsys->su_group.default_groups);
+ configfs_unregister_subsystem(&target_core_fabrics);
+ kfree(target_core_fabrics.su_group.default_groups);
core_alua_free_lu_gp(default_lu_gp);
default_lu_gp = NULL;
core_dev_release_virtual_lun0();
rd_module_exit();
+ target_xcopy_release_pt();
release_se_kmem_caches();
}
projects / firefly-linux-kernel-4.4.55.git / blobdiff