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-rw-r--r--drivers/target/iscsi/iscsi_target_stat.c807
1 files changed, 807 insertions, 0 deletions
diff --git a/drivers/target/iscsi/iscsi_target_stat.c b/drivers/target/iscsi/iscsi_target_stat.c
new file mode 100644
index 000000000..df0a39811
--- /dev/null
+++ b/drivers/target/iscsi/iscsi_target_stat.c
@@ -0,0 +1,807 @@
+/*******************************************************************************
+ * Modern ConfigFS group context specific iSCSI statistics based on original
+ * iscsi_target_mib.c code
+ *
+ * Copyright (c) 2011-2013 Datera, Inc.
+ *
+ * Author: Nicholas A. Bellinger <nab@linux-iscsi.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ ******************************************************************************/
+
+#include <linux/configfs.h>
+#include <linux/export.h>
+#include <scsi/iscsi_proto.h>
+#include <target/target_core_base.h>
+
+#include <target/iscsi/iscsi_target_core.h>
+#include "iscsi_target_parameters.h"
+#include "iscsi_target_device.h"
+#include "iscsi_target_tpg.h"
+#include "iscsi_target_util.h"
+#include <target/iscsi/iscsi_target_stat.h>
+
+#ifndef INITIAL_JIFFIES
+#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
+#endif
+
+/* Instance Attributes Table */
+#define ISCSI_INST_NUM_NODES 1
+#define ISCSI_INST_DESCR "Storage Engine Target"
+#define ISCSI_INST_LAST_FAILURE_TYPE 0
+#define ISCSI_DISCONTINUITY_TIME 0
+
+#define ISCSI_NODE_INDEX 1
+
+#define ISPRINT(a) ((a >= ' ') && (a <= '~'))
+
+/****************************************************************************
+ * iSCSI MIB Tables
+ ****************************************************************************/
+/*
+ * Instance Attributes Table
+ */
+static struct iscsi_tiqn *iscsi_instance_tiqn(struct config_item *item)
+{
+ struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
+ struct iscsi_wwn_stat_grps, iscsi_instance_group);
+ return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
+}
+
+static ssize_t iscsi_stat_instance_inst_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%u\n",
+ iscsi_instance_tiqn(item)->tiqn_index);
+}
+
+static ssize_t iscsi_stat_instance_min_ver_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DRAFT20_VERSION);
+}
+
+static ssize_t iscsi_stat_instance_max_ver_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DRAFT20_VERSION);
+}
+
+static ssize_t iscsi_stat_instance_portals_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%u\n",
+ iscsi_instance_tiqn(item)->tiqn_num_tpg_nps);
+}
+
+static ssize_t iscsi_stat_instance_nodes_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_INST_NUM_NODES);
+}
+
+static ssize_t iscsi_stat_instance_sessions_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%u\n",
+ iscsi_instance_tiqn(item)->tiqn_nsessions);
+}
+
+static ssize_t iscsi_stat_instance_fail_sess_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
+ struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
+ u32 sess_err_count;
+
+ spin_lock_bh(&sess_err->lock);
+ sess_err_count = (sess_err->digest_errors +
+ sess_err->cxn_timeout_errors +
+ sess_err->pdu_format_errors);
+ spin_unlock_bh(&sess_err->lock);
+
+ return snprintf(page, PAGE_SIZE, "%u\n", sess_err_count);
+}
+
+static ssize_t iscsi_stat_instance_fail_type_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
+ struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
+
+ return snprintf(page, PAGE_SIZE, "%u\n",
+ sess_err->last_sess_failure_type);
+}
+
+static ssize_t iscsi_stat_instance_fail_rem_name_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_instance_tiqn(item);
+ struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
+
+ return snprintf(page, PAGE_SIZE, "%s\n",
+ sess_err->last_sess_fail_rem_name[0] ?
+ sess_err->last_sess_fail_rem_name : NONE);
+}
+
+static ssize_t iscsi_stat_instance_disc_time_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_DISCONTINUITY_TIME);
+}
+
+static ssize_t iscsi_stat_instance_description_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%s\n", ISCSI_INST_DESCR);
+}
+
+static ssize_t iscsi_stat_instance_vendor_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "Datera, Inc. iSCSI-Target\n");
+}
+
+static ssize_t iscsi_stat_instance_version_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%s\n", ISCSIT_VERSION);
+}
+
+CONFIGFS_ATTR_RO(iscsi_stat_instance_, inst);
+CONFIGFS_ATTR_RO(iscsi_stat_instance_, min_ver);
+CONFIGFS_ATTR_RO(iscsi_stat_instance_, max_ver);
+CONFIGFS_ATTR_RO(iscsi_stat_instance_, portals);
+CONFIGFS_ATTR_RO(iscsi_stat_instance_, nodes);
+CONFIGFS_ATTR_RO(iscsi_stat_instance_, sessions);
+CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_sess);
+CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_type);
+CONFIGFS_ATTR_RO(iscsi_stat_instance_, fail_rem_name);
+CONFIGFS_ATTR_RO(iscsi_stat_instance_, disc_time);
+CONFIGFS_ATTR_RO(iscsi_stat_instance_, description);
+CONFIGFS_ATTR_RO(iscsi_stat_instance_, vendor);
+CONFIGFS_ATTR_RO(iscsi_stat_instance_, version);
+
+static struct configfs_attribute *iscsi_stat_instance_attrs[] = {
+ &iscsi_stat_instance_attr_inst,
+ &iscsi_stat_instance_attr_min_ver,
+ &iscsi_stat_instance_attr_max_ver,
+ &iscsi_stat_instance_attr_portals,
+ &iscsi_stat_instance_attr_nodes,
+ &iscsi_stat_instance_attr_sessions,
+ &iscsi_stat_instance_attr_fail_sess,
+ &iscsi_stat_instance_attr_fail_type,
+ &iscsi_stat_instance_attr_fail_rem_name,
+ &iscsi_stat_instance_attr_disc_time,
+ &iscsi_stat_instance_attr_description,
+ &iscsi_stat_instance_attr_vendor,
+ &iscsi_stat_instance_attr_version,
+ NULL,
+};
+
+const struct config_item_type iscsi_stat_instance_cit = {
+ .ct_attrs = iscsi_stat_instance_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+/*
+ * Instance Session Failure Stats Table
+ */
+static struct iscsi_tiqn *iscsi_sess_err_tiqn(struct config_item *item)
+{
+ struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
+ struct iscsi_wwn_stat_grps, iscsi_sess_err_group);
+ return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
+}
+
+static ssize_t iscsi_stat_sess_err_inst_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%u\n",
+ iscsi_sess_err_tiqn(item)->tiqn_index);
+}
+
+static ssize_t iscsi_stat_sess_err_digest_errors_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
+ struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", sess_err->digest_errors);
+}
+
+static ssize_t iscsi_stat_sess_err_cxn_errors_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
+ struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", sess_err->cxn_timeout_errors);
+}
+
+static ssize_t iscsi_stat_sess_err_format_errors_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_sess_err_tiqn(item);
+ struct iscsi_sess_err_stats *sess_err = &tiqn->sess_err_stats;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", sess_err->pdu_format_errors);
+}
+
+CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, inst);
+CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, digest_errors);
+CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, cxn_errors);
+CONFIGFS_ATTR_RO(iscsi_stat_sess_err_, format_errors);
+
+static struct configfs_attribute *iscsi_stat_sess_err_attrs[] = {
+ &iscsi_stat_sess_err_attr_inst,
+ &iscsi_stat_sess_err_attr_digest_errors,
+ &iscsi_stat_sess_err_attr_cxn_errors,
+ &iscsi_stat_sess_err_attr_format_errors,
+ NULL,
+};
+
+const struct config_item_type iscsi_stat_sess_err_cit = {
+ .ct_attrs = iscsi_stat_sess_err_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+/*
+ * Target Attributes Table
+ */
+static struct iscsi_tiqn *iscsi_tgt_attr_tiqn(struct config_item *item)
+{
+ struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
+ struct iscsi_wwn_stat_grps, iscsi_tgt_attr_group);
+ return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
+}
+
+static ssize_t iscsi_stat_tgt_attr_inst_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%u\n",
+ iscsi_tgt_attr_tiqn(item)->tiqn_index);
+}
+
+static ssize_t iscsi_stat_tgt_attr_indx_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
+}
+
+static ssize_t iscsi_stat_tgt_attr_login_fails_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
+ struct iscsi_login_stats *lstat = &tiqn->login_stats;
+ u32 fail_count;
+
+ spin_lock(&lstat->lock);
+ fail_count = (lstat->redirects + lstat->authorize_fails +
+ lstat->authenticate_fails + lstat->negotiate_fails +
+ lstat->other_fails);
+ spin_unlock(&lstat->lock);
+
+ return snprintf(page, PAGE_SIZE, "%u\n", fail_count);
+}
+
+static ssize_t iscsi_stat_tgt_attr_last_fail_time_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
+ struct iscsi_login_stats *lstat = &tiqn->login_stats;
+ u32 last_fail_time;
+
+ spin_lock(&lstat->lock);
+ last_fail_time = lstat->last_fail_time ?
+ (u32)(((u32)lstat->last_fail_time -
+ INITIAL_JIFFIES) * 100 / HZ) : 0;
+ spin_unlock(&lstat->lock);
+
+ return snprintf(page, PAGE_SIZE, "%u\n", last_fail_time);
+}
+
+static ssize_t iscsi_stat_tgt_attr_last_fail_type_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
+ struct iscsi_login_stats *lstat = &tiqn->login_stats;
+ u32 last_fail_type;
+
+ spin_lock(&lstat->lock);
+ last_fail_type = lstat->last_fail_type;
+ spin_unlock(&lstat->lock);
+
+ return snprintf(page, PAGE_SIZE, "%u\n", last_fail_type);
+}
+
+static ssize_t iscsi_stat_tgt_attr_fail_intr_name_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
+ struct iscsi_login_stats *lstat = &tiqn->login_stats;
+ unsigned char buf[224];
+
+ spin_lock(&lstat->lock);
+ snprintf(buf, 224, "%s", lstat->last_intr_fail_name[0] ?
+ lstat->last_intr_fail_name : NONE);
+ spin_unlock(&lstat->lock);
+
+ return snprintf(page, PAGE_SIZE, "%s\n", buf);
+}
+
+static ssize_t iscsi_stat_tgt_attr_fail_intr_addr_type_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
+ struct iscsi_login_stats *lstat = &tiqn->login_stats;
+ int ret;
+
+ spin_lock(&lstat->lock);
+ if (lstat->last_intr_fail_ip_family == AF_INET6)
+ ret = snprintf(page, PAGE_SIZE, "ipv6\n");
+ else
+ ret = snprintf(page, PAGE_SIZE, "ipv4\n");
+ spin_unlock(&lstat->lock);
+
+ return ret;
+}
+
+static ssize_t iscsi_stat_tgt_attr_fail_intr_addr_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_tgt_attr_tiqn(item);
+ struct iscsi_login_stats *lstat = &tiqn->login_stats;
+ int ret;
+
+ spin_lock(&lstat->lock);
+ ret = snprintf(page, PAGE_SIZE, "%pISc\n", &lstat->last_intr_fail_sockaddr);
+ spin_unlock(&lstat->lock);
+
+ return ret;
+}
+
+CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, inst);
+CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, indx);
+CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, login_fails);
+CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, last_fail_time);
+CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, last_fail_type);
+CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_name);
+CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_addr_type);
+CONFIGFS_ATTR_RO(iscsi_stat_tgt_attr_, fail_intr_addr);
+
+static struct configfs_attribute *iscsi_stat_tgt_attr_attrs[] = {
+ &iscsi_stat_tgt_attr_attr_inst,
+ &iscsi_stat_tgt_attr_attr_indx,
+ &iscsi_stat_tgt_attr_attr_login_fails,
+ &iscsi_stat_tgt_attr_attr_last_fail_time,
+ &iscsi_stat_tgt_attr_attr_last_fail_type,
+ &iscsi_stat_tgt_attr_attr_fail_intr_name,
+ &iscsi_stat_tgt_attr_attr_fail_intr_addr_type,
+ &iscsi_stat_tgt_attr_attr_fail_intr_addr,
+ NULL,
+};
+
+const struct config_item_type iscsi_stat_tgt_attr_cit = {
+ .ct_attrs = iscsi_stat_tgt_attr_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+/*
+ * Target Login Stats Table
+ */
+static struct iscsi_tiqn *iscsi_login_stat_tiqn(struct config_item *item)
+{
+ struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
+ struct iscsi_wwn_stat_grps, iscsi_login_stats_group);
+ return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
+}
+
+static ssize_t iscsi_stat_login_inst_show(struct config_item *item, char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%u\n",
+ iscsi_login_stat_tiqn(item)->tiqn_index);
+}
+
+static ssize_t iscsi_stat_login_indx_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
+}
+
+static ssize_t iscsi_stat_login_accepts_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
+ struct iscsi_login_stats *lstat = &tiqn->login_stats;
+ ssize_t ret;
+
+ spin_lock(&lstat->lock);
+ ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->accepts);
+ spin_unlock(&lstat->lock);
+
+ return ret;
+}
+
+static ssize_t iscsi_stat_login_other_fails_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
+ struct iscsi_login_stats *lstat = &tiqn->login_stats;
+ ssize_t ret;
+
+ spin_lock(&lstat->lock);
+ ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->other_fails);
+ spin_unlock(&lstat->lock);
+
+ return ret;
+}
+
+static ssize_t iscsi_stat_login_redirects_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
+ struct iscsi_login_stats *lstat = &tiqn->login_stats;
+ ssize_t ret;
+
+ spin_lock(&lstat->lock);
+ ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->redirects);
+ spin_unlock(&lstat->lock);
+
+ return ret;
+}
+
+static ssize_t iscsi_stat_login_authorize_fails_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
+ struct iscsi_login_stats *lstat = &tiqn->login_stats;
+ ssize_t ret;
+
+ spin_lock(&lstat->lock);
+ ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->authorize_fails);
+ spin_unlock(&lstat->lock);
+
+ return ret;
+}
+
+static ssize_t iscsi_stat_login_authenticate_fails_show(
+ struct config_item *item, char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
+ struct iscsi_login_stats *lstat = &tiqn->login_stats;
+ ssize_t ret;
+
+ spin_lock(&lstat->lock);
+ ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->authenticate_fails);
+ spin_unlock(&lstat->lock);
+
+ return ret;
+}
+
+static ssize_t iscsi_stat_login_negotiate_fails_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_login_stat_tiqn(item);
+ struct iscsi_login_stats *lstat = &tiqn->login_stats;
+ ssize_t ret;
+
+ spin_lock(&lstat->lock);
+ ret = snprintf(page, PAGE_SIZE, "%u\n", lstat->negotiate_fails);
+ spin_unlock(&lstat->lock);
+
+ return ret;
+}
+
+CONFIGFS_ATTR_RO(iscsi_stat_login_, inst);
+CONFIGFS_ATTR_RO(iscsi_stat_login_, indx);
+CONFIGFS_ATTR_RO(iscsi_stat_login_, accepts);
+CONFIGFS_ATTR_RO(iscsi_stat_login_, other_fails);
+CONFIGFS_ATTR_RO(iscsi_stat_login_, redirects);
+CONFIGFS_ATTR_RO(iscsi_stat_login_, authorize_fails);
+CONFIGFS_ATTR_RO(iscsi_stat_login_, authenticate_fails);
+CONFIGFS_ATTR_RO(iscsi_stat_login_, negotiate_fails);
+
+static struct configfs_attribute *iscsi_stat_login_stats_attrs[] = {
+ &iscsi_stat_login_attr_inst,
+ &iscsi_stat_login_attr_indx,
+ &iscsi_stat_login_attr_accepts,
+ &iscsi_stat_login_attr_other_fails,
+ &iscsi_stat_login_attr_redirects,
+ &iscsi_stat_login_attr_authorize_fails,
+ &iscsi_stat_login_attr_authenticate_fails,
+ &iscsi_stat_login_attr_negotiate_fails,
+ NULL,
+};
+
+const struct config_item_type iscsi_stat_login_cit = {
+ .ct_attrs = iscsi_stat_login_stats_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+/*
+ * Target Logout Stats Table
+ */
+static struct iscsi_tiqn *iscsi_logout_stat_tiqn(struct config_item *item)
+{
+ struct iscsi_wwn_stat_grps *igrps = container_of(to_config_group(item),
+ struct iscsi_wwn_stat_grps, iscsi_logout_stats_group);
+ return container_of(igrps, struct iscsi_tiqn, tiqn_stat_grps);
+}
+
+static ssize_t iscsi_stat_logout_inst_show(struct config_item *item, char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%u\n",
+ iscsi_logout_stat_tiqn(item)->tiqn_index);
+}
+
+static ssize_t iscsi_stat_logout_indx_show(struct config_item *item, char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%u\n", ISCSI_NODE_INDEX);
+}
+
+static ssize_t iscsi_stat_logout_normal_logouts_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_logout_stat_tiqn(item);
+ struct iscsi_logout_stats *lstats = &tiqn->logout_stats;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", lstats->normal_logouts);
+}
+
+static ssize_t iscsi_stat_logout_abnormal_logouts_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_tiqn *tiqn = iscsi_logout_stat_tiqn(item);
+ struct iscsi_logout_stats *lstats = &tiqn->logout_stats;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", lstats->abnormal_logouts);
+}
+
+CONFIGFS_ATTR_RO(iscsi_stat_logout_, inst);
+CONFIGFS_ATTR_RO(iscsi_stat_logout_, indx);
+CONFIGFS_ATTR_RO(iscsi_stat_logout_, normal_logouts);
+CONFIGFS_ATTR_RO(iscsi_stat_logout_, abnormal_logouts);
+
+static struct configfs_attribute *iscsi_stat_logout_stats_attrs[] = {
+ &iscsi_stat_logout_attr_inst,
+ &iscsi_stat_logout_attr_indx,
+ &iscsi_stat_logout_attr_normal_logouts,
+ &iscsi_stat_logout_attr_abnormal_logouts,
+ NULL,
+};
+
+const struct config_item_type iscsi_stat_logout_cit = {
+ .ct_attrs = iscsi_stat_logout_stats_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+/*
+ * Session Stats Table
+ */
+static struct iscsi_node_acl *iscsi_stat_nacl(struct config_item *item)
+{
+ struct iscsi_node_stat_grps *igrps = container_of(to_config_group(item),
+ struct iscsi_node_stat_grps, iscsi_sess_stats_group);
+ return container_of(igrps, struct iscsi_node_acl, node_stat_grps);
+}
+
+static ssize_t iscsi_stat_sess_inst_show(struct config_item *item, char *page)
+{
+ struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
+ struct se_wwn *wwn = acl->se_node_acl.se_tpg->se_tpg_wwn;
+ struct iscsi_tiqn *tiqn = container_of(wwn,
+ struct iscsi_tiqn, tiqn_wwn);
+
+ return snprintf(page, PAGE_SIZE, "%u\n", tiqn->tiqn_index);
+}
+
+static ssize_t iscsi_stat_sess_node_show(struct config_item *item, char *page)
+{
+ struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
+ struct se_node_acl *se_nacl = &acl->se_node_acl;
+ struct iscsi_session *sess;
+ struct se_session *se_sess;
+ ssize_t ret = 0;
+
+ spin_lock_bh(&se_nacl->nacl_sess_lock);
+ se_sess = se_nacl->nacl_sess;
+ if (se_sess) {
+ sess = se_sess->fabric_sess_ptr;
+ if (sess)
+ ret = snprintf(page, PAGE_SIZE, "%u\n",
+ sess->sess_ops->SessionType ? 0 : ISCSI_NODE_INDEX);
+ }
+ spin_unlock_bh(&se_nacl->nacl_sess_lock);
+
+ return ret;
+}
+
+static ssize_t iscsi_stat_sess_indx_show(struct config_item *item, char *page)
+{
+ struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
+ struct se_node_acl *se_nacl = &acl->se_node_acl;
+ struct iscsi_session *sess;
+ struct se_session *se_sess;
+ ssize_t ret = 0;
+
+ spin_lock_bh(&se_nacl->nacl_sess_lock);
+ se_sess = se_nacl->nacl_sess;
+ if (se_sess) {
+ sess = se_sess->fabric_sess_ptr;
+ if (sess)
+ ret = snprintf(page, PAGE_SIZE, "%u\n",
+ sess->session_index);
+ }
+ spin_unlock_bh(&se_nacl->nacl_sess_lock);
+
+ return ret;
+}
+
+static ssize_t iscsi_stat_sess_cmd_pdus_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
+ struct se_node_acl *se_nacl = &acl->se_node_acl;
+ struct iscsi_session *sess;
+ struct se_session *se_sess;
+ ssize_t ret = 0;
+
+ spin_lock_bh(&se_nacl->nacl_sess_lock);
+ se_sess = se_nacl->nacl_sess;
+ if (se_sess) {
+ sess = se_sess->fabric_sess_ptr;
+ if (sess)
+ ret = snprintf(page, PAGE_SIZE, "%lu\n",
+ atomic_long_read(&sess->cmd_pdus));
+ }
+ spin_unlock_bh(&se_nacl->nacl_sess_lock);
+
+ return ret;
+}
+
+static ssize_t iscsi_stat_sess_rsp_pdus_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
+ struct se_node_acl *se_nacl = &acl->se_node_acl;
+ struct iscsi_session *sess;
+ struct se_session *se_sess;
+ ssize_t ret = 0;
+
+ spin_lock_bh(&se_nacl->nacl_sess_lock);
+ se_sess = se_nacl->nacl_sess;
+ if (se_sess) {
+ sess = se_sess->fabric_sess_ptr;
+ if (sess)
+ ret = snprintf(page, PAGE_SIZE, "%lu\n",
+ atomic_long_read(&sess->rsp_pdus));
+ }
+ spin_unlock_bh(&se_nacl->nacl_sess_lock);
+
+ return ret;
+}
+
+static ssize_t iscsi_stat_sess_txdata_octs_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
+ struct se_node_acl *se_nacl = &acl->se_node_acl;
+ struct iscsi_session *sess;
+ struct se_session *se_sess;
+ ssize_t ret = 0;
+
+ spin_lock_bh(&se_nacl->nacl_sess_lock);
+ se_sess = se_nacl->nacl_sess;
+ if (se_sess) {
+ sess = se_sess->fabric_sess_ptr;
+ if (sess)
+ ret = snprintf(page, PAGE_SIZE, "%lu\n",
+ atomic_long_read(&sess->tx_data_octets));
+ }
+ spin_unlock_bh(&se_nacl->nacl_sess_lock);
+
+ return ret;
+}
+
+static ssize_t iscsi_stat_sess_rxdata_octs_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
+ struct se_node_acl *se_nacl = &acl->se_node_acl;
+ struct iscsi_session *sess;
+ struct se_session *se_sess;
+ ssize_t ret = 0;
+
+ spin_lock_bh(&se_nacl->nacl_sess_lock);
+ se_sess = se_nacl->nacl_sess;
+ if (se_sess) {
+ sess = se_sess->fabric_sess_ptr;
+ if (sess)
+ ret = snprintf(page, PAGE_SIZE, "%lu\n",
+ atomic_long_read(&sess->rx_data_octets));
+ }
+ spin_unlock_bh(&se_nacl->nacl_sess_lock);
+
+ return ret;
+}
+
+static ssize_t iscsi_stat_sess_conn_digest_errors_show(struct config_item *item,
+ char *page)
+{
+ struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
+ struct se_node_acl *se_nacl = &acl->se_node_acl;
+ struct iscsi_session *sess;
+ struct se_session *se_sess;
+ ssize_t ret = 0;
+
+ spin_lock_bh(&se_nacl->nacl_sess_lock);
+ se_sess = se_nacl->nacl_sess;
+ if (se_sess) {
+ sess = se_sess->fabric_sess_ptr;
+ if (sess)
+ ret = snprintf(page, PAGE_SIZE, "%lu\n",
+ atomic_long_read(&sess->conn_digest_errors));
+ }
+ spin_unlock_bh(&se_nacl->nacl_sess_lock);
+
+ return ret;
+}
+
+static ssize_t iscsi_stat_sess_conn_timeout_errors_show(
+ struct config_item *item, char *page)
+{
+ struct iscsi_node_acl *acl = iscsi_stat_nacl(item);
+ struct se_node_acl *se_nacl = &acl->se_node_acl;
+ struct iscsi_session *sess;
+ struct se_session *se_sess;
+ ssize_t ret = 0;
+
+ spin_lock_bh(&se_nacl->nacl_sess_lock);
+ se_sess = se_nacl->nacl_sess;
+ if (se_sess) {
+ sess = se_sess->fabric_sess_ptr;
+ if (sess)
+ ret = snprintf(page, PAGE_SIZE, "%lu\n",
+ atomic_long_read(&sess->conn_timeout_errors));
+ }
+ spin_unlock_bh(&se_nacl->nacl_sess_lock);
+
+ return ret;
+}
+
+CONFIGFS_ATTR_RO(iscsi_stat_sess_, inst);
+CONFIGFS_ATTR_RO(iscsi_stat_sess_, node);
+CONFIGFS_ATTR_RO(iscsi_stat_sess_, indx);
+CONFIGFS_ATTR_RO(iscsi_stat_sess_, cmd_pdus);
+CONFIGFS_ATTR_RO(iscsi_stat_sess_, rsp_pdus);
+CONFIGFS_ATTR_RO(iscsi_stat_sess_, txdata_octs);
+CONFIGFS_ATTR_RO(iscsi_stat_sess_, rxdata_octs);
+CONFIGFS_ATTR_RO(iscsi_stat_sess_, conn_digest_errors);
+CONFIGFS_ATTR_RO(iscsi_stat_sess_, conn_timeout_errors);
+
+static struct configfs_attribute *iscsi_stat_sess_stats_attrs[] = {
+ &iscsi_stat_sess_attr_inst,
+ &iscsi_stat_sess_attr_node,
+ &iscsi_stat_sess_attr_indx,
+ &iscsi_stat_sess_attr_cmd_pdus,
+ &iscsi_stat_sess_attr_rsp_pdus,
+ &iscsi_stat_sess_attr_txdata_octs,
+ &iscsi_stat_sess_attr_rxdata_octs,
+ &iscsi_stat_sess_attr_conn_digest_errors,
+ &iscsi_stat_sess_attr_conn_timeout_errors,
+ NULL,
+};
+
+const struct config_item_type iscsi_stat_sess_cit = {
+ .ct_attrs = iscsi_stat_sess_stats_attrs,
+ .ct_owner = THIS_MODULE,
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 14:03:41 +0000