#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_xcopy.h"
#define TB_CIT_SETUP(_name, _item_ops, _group_ops, _attrs) \
-static void target_core_setup_##_name##_cit(struct se_subsystem_api *sa) \
+static void target_core_setup_##_name##_cit(struct target_backend *tb) \
{ \
- struct target_backend_cits *tbc = &sa->tb_cits; \
- struct config_item_type *cit = &tbc->tb_##_name##_cit; \
+ 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 = sa->owner; \
+ 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)); \
}
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;
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->tf_cit_tmpl.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->tf_cit_tmpl.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->tf_cit_tmpl.tfc_discovery_cit);
+ &tf->tf_discovery_cit);
pr_debug("Target_Core_ConfigFS: REGISTER -> Allocated Fabric:"
" %s\n", tf->tf_group.cg_item.ci_name);
- 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,
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;
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 = fo->module;
- snprintf(tf->tf_name, TARGET_FABRIC_NAME_SIZE, "%s", fo->name);
-
- tf->tf_ops = *fo;
+ tf->tf_ops = fo;
target_fabric_setup_cits(tf);
mutex_lock(&g_tf_lock);
mutex_lock(&g_tf_lock);
list_for_each_entry(t, &g_tf_list, tf_list) {
- if (!strcmp(t->tf_name, fo->name)) {
+ 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);
- break;
+ return;
}
}
mutex_unlock(&g_tf_lock);
// Stop functions called by external Target Fabrics Modules
//############################################################################*/
+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);
+}
+
/* 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) \
+{ \
+ struct se_dev_attrib *da = to_attrib(item); \
+ u32 val; \
+ int ret; \
+ \
+ 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; \
+ \
+ 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; \
+}
+
+DEF_CONFIGFS_ATTRIB_STORE_STUB(emulate_dpo);
+DEF_CONFIGFS_ATTRIB_STORE_STUB(emulate_fua_read);
+
+static void dev_set_t10_wwn_model_alias(struct se_device *dev)
+{
+ const char *configname;
+
+ 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);
+}
-CONFIGFS_EATTR_STRUCT(target_core_dev_attrib, se_dev_attrib);
-CONFIGFS_EATTR_OPS(target_core_dev_attrib, se_dev_attrib, da_group);
+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;
+
+ 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;
+ }
+
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+
+ 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;
+}
+
+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;
+
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+
+ if (flag && da->da_dev->transport->get_write_cache) {
+ pr_err("emulate_write_cache not supported for this device\n");
+ return -EINVAL;
+ }
+
+ da->emulate_write_cache = flag;
+ pr_debug("dev[%p]: SE Device WRITE_CACHE_EMULATION flag: %d\n",
+ da->da_dev, flag);
+ return count;
+}
+
+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;
+
+ ret = kstrtou32(page, 0, &val);
+ if (ret < 0)
+ return ret;
+
+ if (val != 0 && val != 1 && val != 2) {
+ pr_err("Illegal value %d\n", val);
+ return -EINVAL;
+ }
+
+ 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;
+}
+
+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;
+
+ ret = strtobool(page, &flag);
+ if (ret < 0)
+ return ret;
+
+ 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");
+
+ return count;
+}
+
+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;
-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;
+
+ /*
+ * 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;
+ }
+
+ da->emulate_tpu = flag;
+ pr_debug("dev[%p]: SE Device Thin Provisioning UNMAP bit: %d\n",
+ da->da_dev, flag);
+ return count;
+}
+
+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;
+
+ 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;
+ }
+
+ da->emulate_tpws = flag;
+ pr_debug("dev[%p]: SE Device Thin Provisioning WRITE_SAME: %d\n",
+ da->da_dev, flag);
+ return count;
+}
+
+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;
+
+ ret = kstrtou32(page, 0, &flag);
+ if (ret < 0)
+ return ret;
+
+ 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;
+
+ 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;
+
+ 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);
-TB_CIT_SETUP(dev_attrib, &target_core_dev_attrib_ops, NULL, NULL);
+/*
+ * 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);
+
+TB_CIT_SETUP_DRV(dev_attrib, NULL, NULL);
/* End functions for struct config_item_type tb_dev_attrib_cit */
/* Start functions for struct config_item_type tb_dev_wwn_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);
-
-#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; \
\
return len; \
}
-/*
- * VPD page 0x83 Association: Logical Unit
- */
+/* 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;
-}
-
-SE_DEV_WWN_ATTR(vpd_assoc_logical_unit, S_IRUGO | S_IWUSR);
-
-/*
- * VPD page 0x83 Association: Target Port
- */
+/* 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,
-};
-
-TB_CIT_SETUP(dev_wwn, &target_core_dev_wwn_ops, NULL, target_core_dev_wwn_attrs);
+TB_CIT_SETUP(dev_wwn, NULL, NULL, target_core_dev_wwn_attrs);
/* End functions for struct config_item_type tb_dev_wwn_cit */
/* Start functions for struct config_item_type tb_dev_pr_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);
-
-#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)
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_flags & TRANSPORT_FLAG_PASSTHROUGH)
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;
const struct target_core_fabric_ops *tfo;
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 se_device *dev = pr_to_dev(item);
const struct target_core_fabric_ops *tfo;
struct t10_pr_registration *pr_reg;
unsigned char buf[384];
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)
{
+ 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, "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)
{
+ struct se_device *dev = pr_to_dev(item);
+
if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return 0;
(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)
{
+ struct se_device *dev = pr_to_dev(item);
+
if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH)
return 0;
{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, *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_flags & TRANSPORT_FLAG_PASSTHROUGH)
- return 0;
+ 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"
* 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
}
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, &target_core_dev_pr_ops, NULL, target_core_dev_pr_attrs);
+TB_CIT_SETUP(dev_pr, NULL, NULL, target_core_dev_pr_attrs);
/* End functions for struct config_item_type tb_dev_pr_cit */
/* Start functions for struct config_item_type tb_dev_cit */
-static ssize_t target_core_show_dev_info(void *p, char *page)
+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_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 ssize_t target_core_show_dev_lba_map(void *p, char *page)
+static ssize_t target_dev_lba_map_show(struct config_item *item, char *page)
{
- struct se_device *dev = p;
+ struct se_device *dev = to_device(item);
struct t10_alua_lba_map *map;
struct t10_alua_lba_map_member *mem;
char *b = page;
return bl;
}
-static ssize_t target_core_store_dev_lba_map(
- void *p,
- const char *page,
- size_t count)
+static ssize_t target_dev_lba_map_store(struct config_item *item,
+ const char *page, size_t count)
{
- struct se_device *dev = p;
+ struct se_device *dev = to_device(item);
struct t10_alua_lba_map *lba_map = NULL;
struct list_head lba_list;
char *map_entries, *ptr;
return count;
}
-static struct target_core_configfs_attribute target_core_attr_dev_lba_map = {
- .attr = { .ca_owner = THIS_MODULE,
- .ca_name = "lba_map",
- .ca_mode = S_IRUGO | S_IWUSR },
- .show = target_core_show_dev_lba_map,
- .store = target_core_store_dev_lba_map,
-};
+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_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,
- &target_core_attr_dev_lba_map.attr,
+ &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,
};
target_free_device(dev);
}
-static ssize_t target_core_dev_show(struct config_item *item,
- struct configfs_attribute *attr,
- char *page)
-{
- 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->show)
- return -EINVAL;
-
- return tc_attr->show(dev, page);
-}
-
-static ssize_t target_core_dev_store(struct config_item *item,
- struct configfs_attribute *attr,
- 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);
-
- if (!tc_attr->store)
- return -EINVAL;
-
- return tc_attr->store(dev, page, count);
-}
-
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,
};
TB_CIT_SETUP(dev, &target_core_dev_item_ops, NULL, target_core_dev_attrs);
/* 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;
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;
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 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);
}
-SE_DEV_ALUA_TG_PT_ATTR(alua_access_type, S_IRUGO | S_IWUSR);
-
-/*
- * alua_supported_states
- */
-
-#define SE_DEV_ALUA_SUPPORT_STATE_SHOW(_name, _var, _bit) \
-static ssize_t target_core_alua_tg_pt_gp_show_attr_alua_support_##_name( \
- struct t10_alua_tg_pt_gp *t, char *p) \
+#define ALUA_SUPPORTED_STATE_ATTR(_name, _bit) \
+static ssize_t target_tg_pt_gp_alua_support_##_name##_show( \
+ struct config_item *item, char *p) \
{ \
- return sprintf(p, "%d\n", !!(t->_var & _bit)); \
-}
-
-#define SE_DEV_ALUA_SUPPORT_STATE_STORE(_name, _var, _bit) \
-static ssize_t target_core_alua_tg_pt_gp_store_attr_alua_support_##_name(\
- struct t10_alua_tg_pt_gp *t, const char *p, size_t c) \
+ 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; \
\
return -EINVAL; \
} \
if (tmp) \
- t->_var |= _bit; \
+ t->tg_pt_gp_alua_supported_states |= _bit; \
else \
- t->_var &= ~_bit; \
+ t->tg_pt_gp_alua_supported_states &= ~_bit; \
\
return c; \
}
-SE_DEV_ALUA_SUPPORT_STATE_SHOW(transitioning,
- tg_pt_gp_alua_supported_states, ALUA_T_SUP);
-SE_DEV_ALUA_SUPPORT_STATE_STORE(transitioning,
- tg_pt_gp_alua_supported_states, ALUA_T_SUP);
-SE_DEV_ALUA_TG_PT_ATTR(alua_support_transitioning, S_IRUGO | S_IWUSR);
-
-SE_DEV_ALUA_SUPPORT_STATE_SHOW(offline,
- tg_pt_gp_alua_supported_states, ALUA_O_SUP);
-SE_DEV_ALUA_SUPPORT_STATE_STORE(offline,
- tg_pt_gp_alua_supported_states, ALUA_O_SUP);
-SE_DEV_ALUA_TG_PT_ATTR(alua_support_offline, S_IRUGO | S_IWUSR);
-
-SE_DEV_ALUA_SUPPORT_STATE_SHOW(lba_dependent,
- tg_pt_gp_alua_supported_states, ALUA_LBD_SUP);
-SE_DEV_ALUA_SUPPORT_STATE_STORE(lba_dependent,
- tg_pt_gp_alua_supported_states, ALUA_LBD_SUP);
-SE_DEV_ALUA_TG_PT_ATTR(alua_support_lba_dependent, S_IRUGO);
-
-SE_DEV_ALUA_SUPPORT_STATE_SHOW(unavailable,
- tg_pt_gp_alua_supported_states, ALUA_U_SUP);
-SE_DEV_ALUA_SUPPORT_STATE_STORE(unavailable,
- tg_pt_gp_alua_supported_states, ALUA_U_SUP);
-SE_DEV_ALUA_TG_PT_ATTR(alua_support_unavailable, S_IRUGO | S_IWUSR);
-
-SE_DEV_ALUA_SUPPORT_STATE_SHOW(standby,
- tg_pt_gp_alua_supported_states, ALUA_S_SUP);
-SE_DEV_ALUA_SUPPORT_STATE_STORE(standby,
- tg_pt_gp_alua_supported_states, ALUA_S_SUP);
-SE_DEV_ALUA_TG_PT_ATTR(alua_support_standby, S_IRUGO | S_IWUSR);
-
-SE_DEV_ALUA_SUPPORT_STATE_SHOW(active_optimized,
- tg_pt_gp_alua_supported_states, ALUA_AO_SUP);
-SE_DEV_ALUA_SUPPORT_STATE_STORE(active_optimized,
- tg_pt_gp_alua_supported_states, ALUA_AO_SUP);
-SE_DEV_ALUA_TG_PT_ATTR(alua_support_active_optimized, S_IRUGO | S_IWUSR);
-
-SE_DEV_ALUA_SUPPORT_STATE_SHOW(active_nonoptimized,
- tg_pt_gp_alua_supported_states, ALUA_AN_SUP);
-SE_DEV_ALUA_SUPPORT_STATE_STORE(active_nonoptimized,
- tg_pt_gp_alua_supported_states, ALUA_AN_SUP);
-SE_DEV_ALUA_TG_PT_ATTR(alua_support_active_nonoptimized, 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;
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);
-
-/*
- * implicit_trans_secs
- */
-static ssize_t target_core_alua_tg_pt_gp_show_attr_implicit_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_implicit_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_implicit_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_implicit_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(implicit_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;
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_support_transitioning.attr,
- &target_core_alua_tg_pt_gp_alua_support_offline.attr,
- &target_core_alua_tg_pt_gp_alua_support_lba_dependent.attr,
- &target_core_alua_tg_pt_gp_alua_support_unavailable.attr,
- &target_core_alua_tg_pt_gp_alua_support_standby.attr,
- &target_core_alua_tg_pt_gp_alua_support_active_nonoptimized.attr,
- &target_core_alua_tg_pt_gp_alua_support_active_optimized.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_implicit_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 = {
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, &t->tb_cits.tb_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",
- &t->tb_cits.tb_dev_attrib_cit);
+ &tb->tb_dev_attrib_cit);
config_group_init_type_name(&dev->dev_pr_group, "pr",
- &t->tb_cits.tb_dev_pr_cit);
+ &tb->tb_dev_pr_cit);
config_group_init_type_name(&dev->t10_wwn.t10_wwn_group, "wwn",
- &t->tb_cits.tb_dev_wwn_cit);
+ &tb->tb_dev_wwn_cit);
config_group_init_type_name(&dev->t10_alua.alua_tg_pt_gps_group,
- "alua", &t->tb_cits.tb_dev_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", &t->tb_cits.tb_dev_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 = kstrtoul(page, 0, &mode_flag);
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 = {
/* Stop functions for struct config_item_type target_core_hba_cit */
-void target_core_setup_sub_cits(struct se_subsystem_api *sa)
+void target_setup_backend_cits(struct target_backend *tb)
{
- target_core_setup_dev_cit(sa);
- target_core_setup_dev_attrib_cit(sa);
- target_core_setup_dev_pr_cit(sa);
- target_core_setup_dev_wwn_cit(sa);
- target_core_setup_dev_alua_tg_pt_gps_cit(sa);
- target_core_setup_dev_stat_cit(sa);
+ 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);
}
-EXPORT_SYMBOL(target_core_setup_sub_cits);
static int __init target_core_init_configfs(void)
{
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
Code Review / kvmfornfv.git / blobdiff